diff options
Diffstat (limited to 'arch')
396 files changed, 11544 insertions, 5804 deletions
diff --git a/arch/Kconfig b/arch/Kconfig index 8c3d957..72f2fa1 100644 --- a/arch/Kconfig +++ b/arch/Kconfig @@ -248,7 +248,14 @@ config HAVE_CMPXCHG_LOCAL config HAVE_CMPXCHG_DOUBLE bool +config ARCH_WANT_IPC_PARSE_VERSION + bool + +config ARCH_WANT_COMPAT_IPC_PARSE_VERSION + bool + config ARCH_WANT_OLD_COMPAT_IPC + select ARCH_WANT_COMPAT_IPC_PARSE_VERSION bool config HAVE_ARCH_SECCOMP_FILTER diff --git a/arch/alpha/Kconfig b/arch/alpha/Kconfig index 3de74c9..d5b9b5e 100644 --- a/arch/alpha/Kconfig +++ b/arch/alpha/Kconfig @@ -14,6 +14,7 @@ config ALPHA select AUTO_IRQ_AFFINITY if SMP select GENERIC_IRQ_SHOW select ARCH_WANT_OPTIONAL_GPIOLIB + select ARCH_WANT_IPC_PARSE_VERSION select ARCH_HAVE_NMI_SAFE_CMPXCHG select GENERIC_SMP_IDLE_THREAD select GENERIC_CMOS_UPDATE diff --git a/arch/alpha/include/asm/unistd.h b/arch/alpha/include/asm/unistd.h index d1f23b7..633b23b 100644 --- a/arch/alpha/include/asm/unistd.h +++ b/arch/alpha/include/asm/unistd.h @@ -470,7 +470,6 @@ #define NR_SYSCALLS 504 -#define __ARCH_WANT_IPC_PARSE_VERSION #define __ARCH_WANT_OLD_READDIR #define __ARCH_WANT_STAT64 #define __ARCH_WANT_SYS_GETHOSTNAME diff --git a/arch/alpha/kernel/smc37c669.c b/arch/alpha/kernel/smc37c669.c index 0435921d..c803fc7 100644 --- a/arch/alpha/kernel/smc37c669.c +++ b/arch/alpha/kernel/smc37c669.c @@ -933,18 +933,6 @@ void SMC37c669_display_device_info( * *-- */ -#if 0 -/* $INCLUDE_OPTIONS$ */ -#include "cp$inc:platform_io.h" -/* $INCLUDE_OPTIONS_END$ */ -#include "cp$src:common.h" -#include "cp$inc:prototypes.h" -#include "cp$src:kernel_def.h" -#include "cp$src:msg_def.h" -#include "cp$src:smcc669_def.h" -/* Platform-specific includes */ -#include "cp$src:platform.h" -#endif #ifndef TRUE #define TRUE 1 diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index fbdd853..7980873 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -11,6 +11,7 @@ config ARM select RTC_LIB select SYS_SUPPORTS_APM_EMULATION select GENERIC_ATOMIC64 if (CPU_V6 || !CPU_32v6K || !AEABI) + select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE select HAVE_OPROFILE if (HAVE_PERF_EVENTS) select HAVE_ARCH_JUMP_LABEL if !XIP_KERNEL select HAVE_ARCH_KGDB @@ -38,6 +39,7 @@ config ARM select GENERIC_IRQ_PROBE select GENERIC_IRQ_SHOW select GENERIC_IRQ_PROBE + select ARCH_WANT_IPC_PARSE_VERSION select HARDIRQS_SW_RESEND select CPU_PM if (SUSPEND || CPU_IDLE) select GENERIC_PCI_IOMAP @@ -1009,7 +1011,6 @@ config ARCH_VT8500 select ARCH_HAS_CPUFREQ select GENERIC_CLOCKEVENTS select ARCH_REQUIRE_GPIOLIB - select HAVE_PWM help Support for VIA/WonderMedia VT8500/WM85xx System-on-Chip. diff --git a/arch/arm/boot/dts/highbank.dts b/arch/arm/boot/dts/highbank.dts index 2e1cfa0..9fecf1a 100644 --- a/arch/arm/boot/dts/highbank.dts +++ b/arch/arm/boot/dts/highbank.dts @@ -130,6 +130,12 @@ clocks = <&eclk>; }; + memory-controller@fff00000 { + compatible = "calxeda,hb-ddr-ctrl"; + reg = <0xfff00000 0x1000>; + interrupts = <0 91 4>; + }; + ipc@fff20000 { compatible = "arm,pl320", "arm,primecell"; reg = <0xfff20000 0x1000>; @@ -275,6 +281,12 @@ }; }; + sregs@fff3c200 { + compatible = "calxeda,hb-sregs-l2-ecc"; + reg = <0xfff3c200 0x100>; + interrupts = <0 71 4 0 72 4>; + }; + dma@fff3d000 { compatible = "arm,pl330", "arm,primecell"; reg = <0xfff3d000 0x1000>; diff --git a/arch/arm/boot/dts/imx28.dtsi b/arch/arm/boot/dts/imx28.dtsi index 915db89..787efac 100644 --- a/arch/arm/boot/dts/imx28.dtsi +++ b/arch/arm/boot/dts/imx28.dtsi @@ -660,6 +660,7 @@ compatible = "fsl,imx28-i2c"; reg = <0x80058000 2000>; interrupts = <111 68>; + clock-frequency = <100000>; status = "disabled"; }; @@ -669,6 +670,7 @@ compatible = "fsl,imx28-i2c"; reg = <0x8005a000 2000>; interrupts = <110 69>; + clock-frequency = <100000>; status = "disabled"; }; diff --git a/arch/arm/boot/dts/r8a7740.dtsi b/arch/arm/boot/dts/r8a7740.dtsi new file mode 100644 index 0000000..798fa35 --- /dev/null +++ b/arch/arm/boot/dts/r8a7740.dtsi @@ -0,0 +1,21 @@ +/* + * Device Tree Source for the r8a7740 SoC + * + * Copyright (C) 2012 Renesas Solutions Corp. + * + * This file is licensed under the terms of the GNU General Public License + * version 2. This program is licensed "as is" without any warranty of any + * kind, whether express or implied. + */ + +/include/ "skeleton.dtsi" + +/ { + compatible = "renesas,r8a7740"; + + cpus { + cpu@0 { + compatible = "arm,cortex-a9"; + }; + }; +}; diff --git a/arch/arm/boot/dts/sh7377.dtsi b/arch/arm/boot/dts/sh7377.dtsi new file mode 100644 index 0000000..767ee07 --- /dev/null +++ b/arch/arm/boot/dts/sh7377.dtsi @@ -0,0 +1,21 @@ +/* + * Device Tree Source for the sh7377 SoC + * + * Copyright (C) 2012 Renesas Solutions Corp. + * + * This file is licensed under the terms of the GNU General Public License + * version 2. This program is licensed "as is" without any warranty of any + * kind, whether express or implied. + */ + +/include/ "skeleton.dtsi" + +/ { + compatible = "renesas,sh7377"; + + cpus { + cpu@0 { + compatible = "arm,cortex-a8"; + }; + }; +}; diff --git a/arch/arm/boot/dts/tegra20.dtsi b/arch/arm/boot/dts/tegra20.dtsi index 9f19216..405d167 100644 --- a/arch/arm/boot/dts/tegra20.dtsi +++ b/arch/arm/boot/dts/tegra20.dtsi @@ -123,6 +123,12 @@ status = "disabled"; }; + pwm { + compatible = "nvidia,tegra20-pwm"; + reg = <0x7000a000 0x100>; + #pwm-cells = <2>; + }; + i2c@7000c000 { compatible = "nvidia,tegra20-i2c"; reg = <0x7000c000 0x100>; diff --git a/arch/arm/boot/dts/tegra30.dtsi b/arch/arm/boot/dts/tegra30.dtsi index da74019..3e4334d 100644 --- a/arch/arm/boot/dts/tegra30.dtsi +++ b/arch/arm/boot/dts/tegra30.dtsi @@ -117,6 +117,12 @@ status = "disabled"; }; + pwm { + compatible = "nvidia,tegra30-pwm", "nvidia,tegra20-pwm"; + reg = <0x7000a000 0x100>; + #pwm-cells = <2>; + }; + i2c@7000c000 { compatible = "nvidia,tegra30-i2c", "nvidia,tegra20-i2c"; reg = <0x7000c000 0x100>; diff --git a/arch/arm/common/dmabounce.c b/arch/arm/common/dmabounce.c index aa07f59..1143c4d 100644 --- a/arch/arm/common/dmabounce.c +++ b/arch/arm/common/dmabounce.c @@ -452,6 +452,7 @@ static struct dma_map_ops dmabounce_ops = { .alloc = arm_dma_alloc, .free = arm_dma_free, .mmap = arm_dma_mmap, + .get_sgtable = arm_dma_get_sgtable, .map_page = dmabounce_map_page, .unmap_page = dmabounce_unmap_page, .sync_single_for_cpu = dmabounce_sync_for_cpu, diff --git a/arch/arm/configs/armadillo800eva_defconfig b/arch/arm/configs/armadillo800eva_defconfig index ddc9fe6..7d87184 100644 --- a/arch/arm/configs/armadillo800eva_defconfig +++ b/arch/arm/configs/armadillo800eva_defconfig @@ -5,10 +5,7 @@ CONFIG_IKCONFIG_PROC=y CONFIG_LOG_BUF_SHIFT=16 # CONFIG_UTS_NS is not set # CONFIG_IPC_NS is not set -# CONFIG_USER_NS is not set # CONFIG_PID_NS is not set -CONFIG_SYSFS_DEPRECATED=y -CONFIG_SYSFS_DEPRECATED_V2=y CONFIG_CC_OPTIMIZE_FOR_SIZE=y CONFIG_SLAB=y CONFIG_MODULES=y @@ -21,7 +18,7 @@ CONFIG_ARCH_SHMOBILE=y CONFIG_ARCH_R8A7740=y CONFIG_MACH_ARMADILLO800EVA=y # CONFIG_SH_TIMER_TMU is not set -# CONFIG_ARM_THUMB is not set +CONFIG_ARM_THUMB=y CONFIG_CPU_BPREDICT_DISABLE=y # CONFIG_CACHE_L2X0 is not set CONFIG_ARM_ERRATA_430973=y @@ -39,6 +36,7 @@ CONFIG_ZBOOT_ROM_BSS=0x0 CONFIG_CMDLINE="console=tty0 console=ttySC1,115200 earlyprintk=sh-sci.1,115200 ignore_loglevel root=/dev/nfs ip=dhcp nfsroot=,rsize=4096,wsize=4096" CONFIG_CMDLINE_FORCE=y CONFIG_KEXEC=y +CONFIG_VFP=y # CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set # CONFIG_SUSPEND is not set CONFIG_NET=y @@ -89,26 +87,32 @@ CONFIG_SERIAL_SH_SCI_CONSOLE=y CONFIG_I2C=y CONFIG_I2C_SH_MOBILE=y # CONFIG_HWMON is not set +CONFIG_MEDIA_SUPPORT=y +CONFIG_VIDEO_DEV=y +# CONFIG_RC_CORE is not set +# CONFIG_VIDEO_HELPER_CHIPS_AUTO is not set +# CONFIG_V4L_USB_DRIVERS is not set +CONFIG_V4L_PLATFORM_DRIVERS=y +CONFIG_SOC_CAMERA=y +CONFIG_SOC_CAMERA_MT9T112=y +CONFIG_VIDEO_SH_MOBILE_CEU=y +# CONFIG_RADIO_ADAPTERS is not set CONFIG_FB=y -CONFIG_FB_MODE_HELPERS=y CONFIG_FB_SH_MOBILE_LCDC=y +CONFIG_FB_SH_MOBILE_HDMI=y CONFIG_LCD_CLASS_DEVICE=y CONFIG_FRAMEBUFFER_CONSOLE=y CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY=y CONFIG_LOGO=y # CONFIG_LOGO_LINUX_MONO is not set # CONFIG_LOGO_LINUX_VGA16 is not set -CONFIG_SOUND=y -CONFIG_SND=y # CONFIG_SND_SUPPORT_OLD_API is not set # CONFIG_SND_VERBOSE_PROCFS is not set # CONFIG_SND_DRIVERS is not set # CONFIG_SND_ARM is not set -CONFIG_SND_SOC=y CONFIG_SND_SOC_SH4_FSI=y # CONFIG_HID_SUPPORT is not set CONFIG_USB=y -# CONFIG_USB_DEVICE_CLASS is not set CONFIG_USB_RENESAS_USBHS=y CONFIG_USB_GADGET=y CONFIG_USB_RENESAS_USBHS_UDC=y @@ -116,6 +120,8 @@ CONFIG_USB_ETH=m CONFIG_MMC=y CONFIG_MMC_SDHI=y CONFIG_MMC_SH_MMCIF=y +CONFIG_DMADEVICES=y +CONFIG_SH_DMAE=y CONFIG_UIO=y CONFIG_UIO_PDRV_GENIRQ=y # CONFIG_DNOTIFY is not set @@ -124,7 +130,6 @@ CONFIG_VFAT_FS=y CONFIG_TMPFS=y # CONFIG_MISC_FILESYSTEMS is not set CONFIG_NFS_FS=y -CONFIG_NFS_V3=y CONFIG_NFS_V3_ACL=y CONFIG_NFS_V4=y CONFIG_NFS_V4_1=y diff --git a/arch/arm/configs/kzm9d_defconfig b/arch/arm/configs/kzm9d_defconfig new file mode 100644 index 0000000..26146ff --- /dev/null +++ b/arch/arm/configs/kzm9d_defconfig @@ -0,0 +1,89 @@ +# CONFIG_ARM_PATCH_PHYS_VIRT is not set +CONFIG_EXPERIMENTAL=y +CONFIG_SYSVIPC=y +CONFIG_NO_HZ=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_LOG_BUF_SHIFT=16 +CONFIG_CC_OPTIMIZE_FOR_SIZE=y +CONFIG_SYSCTL_SYSCALL=y +CONFIG_EMBEDDED=y +CONFIG_SLAB=y +# CONFIG_BLK_DEV_BSG is not set +# CONFIG_IOSCHED_DEADLINE is not set +# CONFIG_IOSCHED_CFQ is not set +CONFIG_ARCH_SHMOBILE=y +CONFIG_ARCH_EMEV2=y +CONFIG_MACH_KZM9D=y +CONFIG_MEMORY_START=0x40000000 +CONFIG_MEMORY_SIZE=0x10000000 +# CONFIG_SH_TIMER_TMU is not set +# CONFIG_SWP_EMULATE is not set +# CONFIG_CACHE_L2X0 is not set +CONFIG_SMP=y +CONFIG_NR_CPUS=2 +CONFIG_HOTPLUG_CPU=y +# CONFIG_LOCAL_TIMERS is not set +CONFIG_AEABI=y +# CONFIG_OABI_COMPAT is not set +# CONFIG_CROSS_MEMORY_ATTACH is not set +CONFIG_FORCE_MAX_ZONEORDER=13 +CONFIG_ZBOOT_ROM_TEXT=0x0 +CONFIG_ZBOOT_ROM_BSS=0x0 +CONFIG_ARM_APPENDED_DTB=y +CONFIG_CMDLINE="console=tty0 console=ttyS1,115200n81 earlyprintk=serial8250-em.1,115200n81 mem=128M@0x40000000 ignore_loglevel root=/dev/nfs ip=dhcp nfsroot=,rsize=4096,wsize=4096" +CONFIG_CMDLINE_FORCE=y +CONFIG_VFP=y +# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set +# CONFIG_SUSPEND is not set +CONFIG_NET=y +CONFIG_PACKET=y +CONFIG_UNIX=y +CONFIG_INET=y +CONFIG_IP_PNP=y +CONFIG_IP_PNP_DHCP=y +# CONFIG_INET_XFRM_MODE_TRANSPORT is not set +# CONFIG_INET_XFRM_MODE_TUNNEL is not set +# CONFIG_INET_XFRM_MODE_BEET is not set +# CONFIG_INET_LRO is not set +# CONFIG_INET_DIAG is not set +# CONFIG_IPV6 is not set +# CONFIG_WIRELESS is not set +CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" +# CONFIG_BLK_DEV is not set +CONFIG_NETDEVICES=y +# CONFIG_NET_VENDOR_BROADCOM is not set +# CONFIG_NET_VENDOR_CHELSIO is not set +# CONFIG_NET_VENDOR_CIRRUS is not set +# CONFIG_NET_VENDOR_FARADAY is not set +# CONFIG_NET_VENDOR_INTEL is not set +# CONFIG_NET_VENDOR_MARVELL is not set +# CONFIG_NET_VENDOR_MICREL is not set +# CONFIG_NET_VENDOR_NATSEMI is not set +# CONFIG_NET_VENDOR_SEEQ is not set +CONFIG_SMSC911X=y +# CONFIG_NET_VENDOR_STMICRO is not set +# CONFIG_NET_VENDOR_WIZNET is not set +# CONFIG_WLAN is not set +# CONFIG_INPUT_MOUSEDEV is not set +# CONFIG_INPUT_KEYBOARD is not set +# CONFIG_INPUT_MOUSE is not set +# CONFIG_SERIO is not set +# CONFIG_LEGACY_PTYS is not set +# CONFIG_DEVKMEM is not set +CONFIG_SERIAL_8250=y +CONFIG_SERIAL_8250_CONSOLE=y +CONFIG_SERIAL_8250_EM=y +# CONFIG_HW_RANDOM is not set +CONFIG_GPIOLIB=y +CONFIG_GPIO_EM=y +# CONFIG_HWMON is not set +# CONFIG_HID_SUPPORT is not set +# CONFIG_USB_SUPPORT is not set +# CONFIG_IOMMU_SUPPORT is not set +# CONFIG_DNOTIFY is not set +CONFIG_TMPFS=y +# CONFIG_MISC_FILESYSTEMS is not set +CONFIG_NFS_FS=y +CONFIG_ROOT_NFS=y +# CONFIG_FTRACE is not set diff --git a/arch/arm/configs/kzm9g_defconfig b/arch/arm/configs/kzm9g_defconfig index e3ebc20..2388c86 100644 --- a/arch/arm/configs/kzm9g_defconfig +++ b/arch/arm/configs/kzm9g_defconfig @@ -100,7 +100,12 @@ CONFIG_SND_SOC_SH4_FSI=y CONFIG_USB=y CONFIG_USB_DEVICEFS=y CONFIG_USB_R8A66597_HCD=y +CONFIG_USB_RENESAS_USBHS=y CONFIG_USB_STORAGE=y +CONFIG_USB_GADGET=y +CONFIG_USB_RENESAS_USBHS_UDC=y +CONFIG_USB_ETH=m +CONFIG_USB_MASS_STORAGE=m CONFIG_MMC=y # CONFIG_MMC_BLOCK_BOUNCE is not set CONFIG_MMC_SDHI=y @@ -108,12 +113,13 @@ CONFIG_MMC_SH_MMCIF=y CONFIG_NEW_LEDS=y CONFIG_LEDS_CLASS=y CONFIG_RTC_CLASS=y +CONFIG_RTC_DRV_RS5C372=y CONFIG_DMADEVICES=y CONFIG_SH_DMAE=y CONFIG_ASYNC_TX_DMA=y CONFIG_STAGING=y # CONFIG_DNOTIFY is not set -# CONFIG_INOTIFY_USER is not set +CONFIG_INOTIFY_USER=y CONFIG_VFAT_FS=y CONFIG_TMPFS=y # CONFIG_MISC_FILESYSTEMS is not set diff --git a/arch/arm/configs/omap2plus_defconfig b/arch/arm/configs/omap2plus_defconfig index b152de79..e58edc3 100644 --- a/arch/arm/configs/omap2plus_defconfig +++ b/arch/arm/configs/omap2plus_defconfig @@ -193,6 +193,8 @@ CONFIG_MMC_OMAP_HS=y CONFIG_RTC_CLASS=y CONFIG_RTC_DRV_TWL92330=y CONFIG_RTC_DRV_TWL4030=y +CONFIG_DMADEVICES=y +CONFIG_DMA_OMAP=y CONFIG_EXT2_FS=y CONFIG_EXT3_FS=y # CONFIG_EXT3_FS_XATTR is not set diff --git a/arch/arm/configs/tegra_defconfig b/arch/arm/configs/tegra_defconfig index 4be9c1e..db22453 100644 --- a/arch/arm/configs/tegra_defconfig +++ b/arch/arm/configs/tegra_defconfig @@ -106,6 +106,7 @@ CONFIG_I2C_TEGRA=y CONFIG_SPI=y CONFIG_SPI_TEGRA=y CONFIG_GPIO_TPS65910=y +CONFIG_GPIO_TPS6586X=y CONFIG_POWER_SUPPLY=y CONFIG_BATTERY_SBS=y CONFIG_SENSORS_LM90=y diff --git a/arch/arm/include/asm/cacheflush.h b/arch/arm/include/asm/cacheflush.h index 004c1bc..e4448e1 100644 --- a/arch/arm/include/asm/cacheflush.h +++ b/arch/arm/include/asm/cacheflush.h @@ -215,7 +215,9 @@ static inline void vivt_flush_cache_mm(struct mm_struct *mm) static inline void vivt_flush_cache_range(struct vm_area_struct *vma, unsigned long start, unsigned long end) { - if (cpumask_test_cpu(smp_processor_id(), mm_cpumask(vma->vm_mm))) + struct mm_struct *mm = vma->vm_mm; + + if (!mm || cpumask_test_cpu(smp_processor_id(), mm_cpumask(mm))) __cpuc_flush_user_range(start & PAGE_MASK, PAGE_ALIGN(end), vma->vm_flags); } @@ -223,7 +225,9 @@ vivt_flush_cache_range(struct vm_area_struct *vma, unsigned long start, unsigned static inline void vivt_flush_cache_page(struct vm_area_struct *vma, unsigned long user_addr, unsigned long pfn) { - if (cpumask_test_cpu(smp_processor_id(), mm_cpumask(vma->vm_mm))) { + struct mm_struct *mm = vma->vm_mm; + + if (!mm || cpumask_test_cpu(smp_processor_id(), mm_cpumask(mm))) { unsigned long addr = user_addr & PAGE_MASK; __cpuc_flush_user_range(addr, addr + PAGE_SIZE, vma->vm_flags); } diff --git a/arch/arm/include/asm/dma-mapping.h b/arch/arm/include/asm/dma-mapping.h index bbef15d..2ae842d 100644 --- a/arch/arm/include/asm/dma-mapping.h +++ b/arch/arm/include/asm/dma-mapping.h @@ -186,17 +186,6 @@ extern int arm_dma_mmap(struct device *dev, struct vm_area_struct *vma, void *cpu_addr, dma_addr_t dma_addr, size_t size, struct dma_attrs *attrs); -#define dma_mmap_coherent(d, v, c, h, s) dma_mmap_attrs(d, v, c, h, s, NULL) - -static inline int dma_mmap_attrs(struct device *dev, struct vm_area_struct *vma, - void *cpu_addr, dma_addr_t dma_addr, - size_t size, struct dma_attrs *attrs) -{ - struct dma_map_ops *ops = get_dma_ops(dev); - BUG_ON(!ops); - return ops->mmap(dev, vma, cpu_addr, dma_addr, size, attrs); -} - static inline void *dma_alloc_writecombine(struct device *dev, size_t size, dma_addr_t *dma_handle, gfp_t flag) { @@ -213,20 +202,12 @@ static inline void dma_free_writecombine(struct device *dev, size_t size, return dma_free_attrs(dev, size, cpu_addr, dma_handle, &attrs); } -static inline int dma_mmap_writecombine(struct device *dev, struct vm_area_struct *vma, - void *cpu_addr, dma_addr_t dma_addr, size_t size) -{ - DEFINE_DMA_ATTRS(attrs); - dma_set_attr(DMA_ATTR_WRITE_COMBINE, &attrs); - return dma_mmap_attrs(dev, vma, cpu_addr, dma_addr, size, &attrs); -} - /* * This can be called during boot to increase the size of the consistent * DMA region above it's default value of 2MB. It must be called before the * memory allocator is initialised, i.e. before any core_initcall. */ -extern void __init init_consistent_dma_size(unsigned long size); +static inline void init_consistent_dma_size(unsigned long size) { } /* * For SA-1111, IXP425, and ADI systems the dma-mapping functions are "magic" @@ -280,6 +261,9 @@ extern void arm_dma_sync_sg_for_cpu(struct device *, struct scatterlist *, int, enum dma_data_direction); extern void arm_dma_sync_sg_for_device(struct device *, struct scatterlist *, int, enum dma_data_direction); +extern int arm_dma_get_sgtable(struct device *dev, struct sg_table *sgt, + void *cpu_addr, dma_addr_t dma_addr, size_t size, + struct dma_attrs *attrs); #endif /* __KERNEL__ */ #endif diff --git a/arch/arm/include/asm/mutex.h b/arch/arm/include/asm/mutex.h index 93226cf..b1479fd 100644 --- a/arch/arm/include/asm/mutex.h +++ b/arch/arm/include/asm/mutex.h @@ -7,121 +7,10 @@ */ #ifndef _ASM_MUTEX_H #define _ASM_MUTEX_H - -#if __LINUX_ARM_ARCH__ < 6 -/* On pre-ARMv6 hardware the swp based implementation is the most efficient. */ -# include <asm-generic/mutex-xchg.h> -#else - /* - * Attempting to lock a mutex on ARMv6+ can be done with a bastardized - * atomic decrement (it is not a reliable atomic decrement but it satisfies - * the defined semantics for our purpose, while being smaller and faster - * than a real atomic decrement or atomic swap. The idea is to attempt - * decrementing the lock value only once. If once decremented it isn't zero, - * or if its store-back fails due to a dispute on the exclusive store, we - * simply bail out immediately through the slow path where the lock will be - * reattempted until it succeeds. + * On pre-ARMv6 hardware this results in a swp-based implementation, + * which is the most efficient. For ARMv6+, we emit a pair of exclusive + * accesses instead. */ -static inline void -__mutex_fastpath_lock(atomic_t *count, void (*fail_fn)(atomic_t *)) -{ - int __ex_flag, __res; - - __asm__ ( - - "ldrex %0, [%2] \n\t" - "sub %0, %0, #1 \n\t" - "strex %1, %0, [%2] " - - : "=&r" (__res), "=&r" (__ex_flag) - : "r" (&(count)->counter) - : "cc","memory" ); - - __res |= __ex_flag; - if (unlikely(__res != 0)) - fail_fn(count); -} - -static inline int -__mutex_fastpath_lock_retval(atomic_t *count, int (*fail_fn)(atomic_t *)) -{ - int __ex_flag, __res; - - __asm__ ( - - "ldrex %0, [%2] \n\t" - "sub %0, %0, #1 \n\t" - "strex %1, %0, [%2] " - - : "=&r" (__res), "=&r" (__ex_flag) - : "r" (&(count)->counter) - : "cc","memory" ); - - __res |= __ex_flag; - if (unlikely(__res != 0)) - __res = fail_fn(count); - return __res; -} - -/* - * Same trick is used for the unlock fast path. However the original value, - * rather than the result, is used to test for success in order to have - * better generated assembly. - */ -static inline void -__mutex_fastpath_unlock(atomic_t *count, void (*fail_fn)(atomic_t *)) -{ - int __ex_flag, __res, __orig; - - __asm__ ( - - "ldrex %0, [%3] \n\t" - "add %1, %0, #1 \n\t" - "strex %2, %1, [%3] " - - : "=&r" (__orig), "=&r" (__res), "=&r" (__ex_flag) - : "r" (&(count)->counter) - : "cc","memory" ); - - __orig |= __ex_flag; - if (unlikely(__orig != 0)) - fail_fn(count); -} - -/* - * If the unlock was done on a contended lock, or if the unlock simply fails - * then the mutex remains locked. - */ -#define __mutex_slowpath_needs_to_unlock() 1 - -/* - * For __mutex_fastpath_trylock we use another construct which could be - * described as a "single value cmpxchg". - * - * This provides the needed trylock semantics like cmpxchg would, but it is - * lighter and less generic than a true cmpxchg implementation. - */ -static inline int -__mutex_fastpath_trylock(atomic_t *count, int (*fail_fn)(atomic_t *)) -{ - int __ex_flag, __res, __orig; - - __asm__ ( - - "1: ldrex %0, [%3] \n\t" - "subs %1, %0, #1 \n\t" - "strexeq %2, %1, [%3] \n\t" - "movlt %0, #0 \n\t" - "cmpeq %2, #0 \n\t" - "bgt 1b " - - : "=&r" (__orig), "=&r" (__res), "=&r" (__ex_flag) - : "r" (&count->counter) - : "cc", "memory" ); - - return __orig; -} - -#endif +#include <asm-generic/mutex-xchg.h> #endif diff --git a/arch/arm/include/asm/setup.h b/arch/arm/include/asm/setup.h index 23ebc0c..24d284a 100644 --- a/arch/arm/include/asm/setup.h +++ b/arch/arm/include/asm/setup.h @@ -196,7 +196,7 @@ static const struct tagtable __tagtable_##fn __tag = { tag, fn } struct membank { phys_addr_t start; - unsigned long size; + phys_addr_t size; unsigned int highmem; }; @@ -217,7 +217,7 @@ extern struct meminfo meminfo; #define bank_phys_end(bank) ((bank)->start + (bank)->size) #define bank_phys_size(bank) (bank)->size -extern int arm_add_memory(phys_addr_t start, unsigned long size); +extern int arm_add_memory(phys_addr_t start, phys_addr_t size); extern void early_print(const char *str, ...); extern void dump_machine_table(void); diff --git a/arch/arm/include/asm/unistd.h b/arch/arm/include/asm/unistd.h index 512cd14..0cab47d 100644 --- a/arch/arm/include/asm/unistd.h +++ b/arch/arm/include/asm/unistd.h @@ -446,7 +446,6 @@ #ifdef __KERNEL__ -#define __ARCH_WANT_IPC_PARSE_VERSION #define __ARCH_WANT_STAT64 #define __ARCH_WANT_SYS_GETHOSTNAME #define __ARCH_WANT_SYS_PAUSE diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S index 0d1851c..0f82098 100644 --- a/arch/arm/kernel/entry-armv.S +++ b/arch/arm/kernel/entry-armv.S @@ -244,6 +244,19 @@ svc_preempt: b 1b #endif +__und_fault: + @ Correct the PC such that it is pointing at the instruction + @ which caused the fault. If the faulting instruction was ARM + @ the PC will be pointing at the next instruction, and have to + @ subtract 4. Otherwise, it is Thumb, and the PC will be + @ pointing at the second half of the Thumb instruction. We + @ have to subtract 2. + ldr r2, [r0, #S_PC] + sub r2, r2, r1 + str r2, [r0, #S_PC] + b do_undefinstr +ENDPROC(__und_fault) + .align 5 __und_svc: #ifdef CONFIG_KPROBES @@ -261,25 +274,32 @@ __und_svc: @ @ r0 - instruction @ -#ifndef CONFIG_THUMB2_KERNEL +#ifndef CONFIG_THUMB2_KERNEL ldr r0, [r4, #-4] #else + mov r1, #2 ldrh r0, [r4, #-2] @ Thumb instruction at LR - 2 cmp r0, #0xe800 @ 32-bit instruction if xx >= 0 - ldrhhs r9, [r4] @ bottom 16 bits - orrhs r0, r9, r0, lsl #16 + blo __und_svc_fault + ldrh r9, [r4] @ bottom 16 bits + add r4, r4, #2 + str r4, [sp, #S_PC] + orr r0, r9, r0, lsl #16 #endif - adr r9, BSYM(1f) + adr r9, BSYM(__und_svc_finish) mov r2, r4 bl call_fpe + mov r1, #4 @ PC correction to apply +__und_svc_fault: mov r0, sp @ struct pt_regs *regs - bl do_undefinstr + bl __und_fault @ @ IRQs off again before pulling preserved data off the stack @ -1: disable_irq_notrace +__und_svc_finish: + disable_irq_notrace @ @ restore SPSR and restart the instruction @@ -423,25 +443,33 @@ __und_usr: mov r2, r4 mov r3, r5 + @ r2 = regs->ARM_pc, which is either 2 or 4 bytes ahead of the + @ faulting instruction depending on Thumb mode. + @ r3 = regs->ARM_cpsr @ - @ fall through to the emulation code, which returns using r9 if - @ it has emulated the instruction, or the more conventional lr - @ if we are to treat this as a real undefined instruction - @ - @ r0 - instruction + @ The emulation code returns using r9 if it has emulated the + @ instruction, or the more conventional lr if we are to treat + @ this as a real undefined instruction @ adr r9, BSYM(ret_from_exception) - adr lr, BSYM(__und_usr_unknown) + tst r3, #PSR_T_BIT @ Thumb mode? - itet eq @ explicit IT needed for the 1f label - subeq r4, r2, #4 @ ARM instr at LR - 4 - subne r4, r2, #2 @ Thumb instr at LR - 2 -1: ldreqt r0, [r4] + bne __und_usr_thumb + sub r4, r2, #4 @ ARM instr at LR - 4 +1: ldrt r0, [r4] #ifdef CONFIG_CPU_ENDIAN_BE8 - reveq r0, r0 @ little endian instruction + rev r0, r0 @ little endian instruction #endif - beq call_fpe + @ r0 = 32-bit ARM instruction which caused the exception + @ r2 = PC value for the following instruction (:= regs->ARM_pc) + @ r4 = PC value for the faulting instruction + @ lr = 32-bit undefined instruction function + adr lr, BSYM(__und_usr_fault_32) + b call_fpe + +__und_usr_thumb: @ Thumb instruction + sub r4, r2, #2 @ First half of thumb instr at LR - 2 #if CONFIG_ARM_THUMB && __LINUX_ARM_ARCH__ >= 6 && CONFIG_CPU_V7 /* * Thumb-2 instruction handling. Note that because pre-v6 and >= v6 platforms @@ -455,7 +483,7 @@ __und_usr: ldr r5, .LCcpu_architecture ldr r5, [r5] cmp r5, #CPU_ARCH_ARMv7 - blo __und_usr_unknown + blo __und_usr_fault_16 @ 16bit undefined instruction /* * The following code won't get run unless the running CPU really is v7, so * coding round the lack of ldrht on older arches is pointless. Temporarily @@ -463,15 +491,18 @@ __und_usr: */ .arch armv6t2 #endif -2: - ARM( ldrht r5, [r4], #2 ) - THUMB( ldrht r5, [r4] ) - THUMB( add r4, r4, #2 ) +2: ldrht r5, [r4] cmp r5, #0xe800 @ 32bit instruction if xx != 0 - blo __und_usr_unknown -3: ldrht r0, [r4] + blo __und_usr_fault_16 @ 16bit undefined instruction +3: ldrht r0, [r2] add r2, r2, #2 @ r2 is PC + 2, make it PC + 4 + str r2, [sp, #S_PC] @ it's a 2x16bit instr, update orr r0, r0, r5, lsl #16 + adr lr, BSYM(__und_usr_fault_32) + @ r0 = the two 16-bit Thumb instructions which caused the exception + @ r2 = PC value for the following Thumb instruction (:= regs->ARM_pc) + @ r4 = PC value for the first 16-bit Thumb instruction + @ lr = 32bit undefined instruction function #if __LINUX_ARM_ARCH__ < 7 /* If the target arch was overridden, change it back: */ @@ -482,17 +513,13 @@ __und_usr: #endif #endif /* __LINUX_ARM_ARCH__ < 7 */ #else /* !(CONFIG_ARM_THUMB && __LINUX_ARM_ARCH__ >= 6 && CONFIG_CPU_V7) */ - b __und_usr_unknown + b __und_usr_fault_16 #endif - UNWIND(.fnend ) + UNWIND(.fnend) ENDPROC(__und_usr) - @ - @ fallthrough to call_fpe - @ - /* - * The out of line fixup for the ldrt above. + * The out of line fixup for the ldrt instructions above. */ .pushsection .fixup, "ax" .align 2 @@ -524,11 +551,12 @@ ENDPROC(__und_usr) * NEON handler code. * * Emulators may wish to make use of the following registers: - * r0 = instruction opcode. - * r2 = PC+4 + * r0 = instruction opcode (32-bit ARM or two 16-bit Thumb) + * r2 = PC value to resume execution after successful emulation * r9 = normal "successful" return address - * r10 = this threads thread_info structure. + * r10 = this threads thread_info structure * lr = unrecognised instruction return address + * IRQs disabled, FIQs enabled. */ @ @ Fall-through from Thumb-2 __und_usr @@ -659,12 +687,17 @@ ENTRY(no_fp) mov pc, lr ENDPROC(no_fp) -__und_usr_unknown: - enable_irq +__und_usr_fault_32: + mov r1, #4 + b 1f +__und_usr_fault_16: + mov r1, #2 +1: enable_irq mov r0, sp adr lr, BSYM(ret_from_exception) - b do_undefinstr -ENDPROC(__und_usr_unknown) + b __und_fault +ENDPROC(__und_usr_fault_32) +ENDPROC(__und_usr_fault_16) .align 5 __pabt_usr: diff --git a/arch/arm/kernel/entry-common.S b/arch/arm/kernel/entry-common.S index 49d9f93..978eac5 100644 --- a/arch/arm/kernel/entry-common.S +++ b/arch/arm/kernel/entry-common.S @@ -51,23 +51,15 @@ ret_fast_syscall: fast_work_pending: str r0, [sp, #S_R0+S_OFF]! @ returned r0 work_pending: - tst r1, #_TIF_NEED_RESCHED - bne work_resched - /* - * TIF_SIGPENDING or TIF_NOTIFY_RESUME must've been set if we got here - */ - ldr r2, [sp, #S_PSR] mov r0, sp @ 'regs' - tst r2, #15 @ are we returning to user mode? - bne no_work_pending @ no? just leave, then... mov r2, why @ 'syscall' - tst r1, #_TIF_SIGPENDING @ delivering a signal? - movne why, #0 @ prevent further restarts - bl do_notify_resume - b ret_slow_syscall @ Check work again + bl do_work_pending + cmp r0, #0 + beq no_work_pending + movlt scno, #(__NR_restart_syscall - __NR_SYSCALL_BASE) + ldmia sp, {r0 - r6} @ have to reload r0 - r6 + b local_restart @ ... and off we go -work_resched: - bl schedule /* * "slow" syscall return path. "why" tells us if this was a real syscall. */ @@ -409,6 +401,7 @@ ENTRY(vector_swi) eor scno, scno, #__NR_SYSCALL_BASE @ check OS number #endif +local_restart: ldr r10, [tsk, #TI_FLAGS] @ check for syscall tracing stmdb sp!, {r4, r5} @ push fifth and sixth args @@ -450,7 +443,8 @@ __sys_trace: mov scno, r0 @ syscall number (possibly new) add r1, sp, #S_R0 + S_OFF @ pointer to regs cmp scno, #NR_syscalls @ check upper syscall limit - ldmccia r1, {r0 - r3} @ have to reload r0 - r3 + ldmccia r1, {r0 - r6} @ have to reload r0 - r6 + stmccia sp, {r4, r5} @ and update the stack args ldrcc pc, [tbl, scno, lsl #2] @ call sys_* routine b 2b diff --git a/arch/arm/kernel/ftrace.c b/arch/arm/kernel/ftrace.c index df0bf0c..34e5664 100644 --- a/arch/arm/kernel/ftrace.c +++ b/arch/arm/kernel/ftrace.c @@ -179,19 +179,20 @@ void prepare_ftrace_return(unsigned long *parent, unsigned long self_addr, old = *parent; *parent = return_hooker; - err = ftrace_push_return_trace(old, self_addr, &trace.depth, - frame_pointer); - if (err == -EBUSY) { - *parent = old; - return; - } - trace.func = self_addr; + trace.depth = current->curr_ret_stack + 1; /* Only trace if the calling function expects to */ if (!ftrace_graph_entry(&trace)) { - current->curr_ret_stack--; *parent = old; + return; + } + + err = ftrace_push_return_trace(old, self_addr, &trace.depth, + frame_pointer); + if (err == -EBUSY) { + *parent = old; + return; } } diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c index 19c95ea..693b744 100644 --- a/arch/arm/kernel/process.c +++ b/arch/arm/kernel/process.c @@ -247,6 +247,7 @@ void machine_shutdown(void) void machine_halt(void) { machine_shutdown(); + local_irq_disable(); while (1); } @@ -268,6 +269,7 @@ void machine_restart(char *cmd) /* Whoops - the platform was unable to reboot. Tell the user! */ printk("Reboot failed -- System halted\n"); + local_irq_disable(); while (1); } diff --git a/arch/arm/kernel/ptrace.c b/arch/arm/kernel/ptrace.c index dab711e..3e0fc5f 100644 --- a/arch/arm/kernel/ptrace.c +++ b/arch/arm/kernel/ptrace.c @@ -25,6 +25,7 @@ #include <linux/regset.h> #include <linux/audit.h> #include <linux/tracehook.h> +#include <linux/unistd.h> #include <asm/pgtable.h> #include <asm/traps.h> diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c index e15d83b..a81dcec 100644 --- a/arch/arm/kernel/setup.c +++ b/arch/arm/kernel/setup.c @@ -508,7 +508,7 @@ void __init dump_machine_table(void) /* can't use cpu_relax() here as it may require MMU setup */; } -int __init arm_add_memory(phys_addr_t start, unsigned long size) +int __init arm_add_memory(phys_addr_t start, phys_addr_t size) { struct membank *bank = &meminfo.bank[meminfo.nr_banks]; @@ -538,7 +538,7 @@ int __init arm_add_memory(phys_addr_t start, unsigned long size) } #endif - bank->size = size & PAGE_MASK; + bank->size = size & ~(phys_addr_t)(PAGE_SIZE - 1); /* * Check whether this memory region has non-zero size or @@ -558,7 +558,7 @@ int __init arm_add_memory(phys_addr_t start, unsigned long size) static int __init early_mem(char *p) { static int usermem __initdata = 0; - unsigned long size; + phys_addr_t size; phys_addr_t start; char *endp; diff --git a/arch/arm/kernel/signal.c b/arch/arm/kernel/signal.c index 536c5d6..f27789e 100644 --- a/arch/arm/kernel/signal.c +++ b/arch/arm/kernel/signal.c @@ -27,7 +27,6 @@ */ #define SWI_SYS_SIGRETURN (0xef000000|(__NR_sigreturn)|(__NR_OABI_SYSCALL_BASE)) #define SWI_SYS_RT_SIGRETURN (0xef000000|(__NR_rt_sigreturn)|(__NR_OABI_SYSCALL_BASE)) -#define SWI_SYS_RESTART (0xef000000|__NR_restart_syscall|__NR_OABI_SYSCALL_BASE) /* * With EABI, the syscall number has to be loaded into r7. @@ -48,18 +47,6 @@ const unsigned long sigreturn_codes[7] = { }; /* - * Either we support OABI only, or we have EABI with the OABI - * compat layer enabled. In the later case we don't know if - * user space is EABI or not, and if not we must not clobber r7. - * Always using the OABI syscall solves that issue and works for - * all those cases. - */ -const unsigned long syscall_restart_code[2] = { - SWI_SYS_RESTART, /* swi __NR_restart_syscall */ - 0xe49df004, /* ldr pc, [sp], #4 */ -}; - -/* * atomically swap in the new signal mask, and wait for a signal. */ asmlinkage int sys_sigsuspend(int restart, unsigned long oldmask, old_sigset_t mask) @@ -582,12 +569,13 @@ handle_signal(unsigned long sig, struct k_sigaction *ka, * the kernel can handle, and then we build all the user-level signal handling * stack-frames in one go after that. */ -static void do_signal(struct pt_regs *regs, int syscall) +static int do_signal(struct pt_regs *regs, int syscall) { unsigned int retval = 0, continue_addr = 0, restart_addr = 0; struct k_sigaction ka; siginfo_t info; int signr; + int restart = 0; /* * If we were from a system call, check for system call restarting... @@ -602,15 +590,15 @@ static void do_signal(struct pt_regs *regs, int syscall) * debugger will see the already changed PSW. */ switch (retval) { + case -ERESTART_RESTARTBLOCK: + restart -= 2; case -ERESTARTNOHAND: case -ERESTARTSYS: case -ERESTARTNOINTR: + restart++; regs->ARM_r0 = regs->ARM_ORIG_r0; regs->ARM_pc = restart_addr; break; - case -ERESTART_RESTARTBLOCK: - regs->ARM_r0 = -EINTR; - break; } } @@ -619,14 +607,17 @@ static void do_signal(struct pt_regs *regs, int syscall) * point the debugger may change all our registers ... */ signr = get_signal_to_deliver(&info, &ka, regs, NULL); + /* + * Depending on the signal settings we may need to revert the + * decision to restart the system call. But skip this if a + * debugger has chosen to restart at a different PC. + */ + if (regs->ARM_pc != restart_addr) + restart = 0; if (signr > 0) { - /* - * Depending on the signal settings we may need to revert the - * decision to restart the system call. But skip this if a - * debugger has chosen to restart at a different PC. - */ - if (regs->ARM_pc == restart_addr) { - if (retval == -ERESTARTNOHAND + if (unlikely(restart)) { + if (retval == -ERESTARTNOHAND || + retval == -ERESTART_RESTARTBLOCK || (retval == -ERESTARTSYS && !(ka.sa.sa_flags & SA_RESTART))) { regs->ARM_r0 = -EINTR; @@ -635,52 +626,43 @@ static void do_signal(struct pt_regs *regs, int syscall) } handle_signal(signr, &ka, &info, regs); - return; - } - - if (syscall) { - /* - * Handle restarting a different system call. As above, - * if a debugger has chosen to restart at a different PC, - * ignore the restart. - */ - if (retval == -ERESTART_RESTARTBLOCK - && regs->ARM_pc == continue_addr) { - if (thumb_mode(regs)) { - regs->ARM_r7 = __NR_restart_syscall - __NR_SYSCALL_BASE; - regs->ARM_pc -= 2; - } else { -#if defined(CONFIG_AEABI) && !defined(CONFIG_OABI_COMPAT) - regs->ARM_r7 = __NR_restart_syscall; - regs->ARM_pc -= 4; -#else - u32 __user *usp; - - regs->ARM_sp -= 4; - usp = (u32 __user *)regs->ARM_sp; - - if (put_user(regs->ARM_pc, usp) == 0) { - regs->ARM_pc = KERN_RESTART_CODE; - } else { - regs->ARM_sp += 4; - force_sigsegv(0, current); - } -#endif - } - } + return 0; } restore_saved_sigmask(); + if (unlikely(restart)) + regs->ARM_pc = continue_addr; + return restart; } -asmlinkage void -do_notify_resume(struct pt_regs *regs, unsigned int thread_flags, int syscall) +asmlinkage int +do_work_pending(struct pt_regs *regs, unsigned int thread_flags, int syscall) { - if (thread_flags & _TIF_SIGPENDING) - do_signal(regs, syscall); - - if (thread_flags & _TIF_NOTIFY_RESUME) { - clear_thread_flag(TIF_NOTIFY_RESUME); - tracehook_notify_resume(regs); - } + do { + if (likely(thread_flags & _TIF_NEED_RESCHED)) { + schedule(); + } else { + if (unlikely(!user_mode(regs))) + return 0; + local_irq_enable(); + if (thread_flags & _TIF_SIGPENDING) { + int restart = do_signal(regs, syscall); + if (unlikely(restart)) { + /* + * Restart without handlers. + * Deal with it without leaving + * the kernel space. + */ + return restart; + } + syscall = 0; + } else { + clear_thread_flag(TIF_NOTIFY_RESUME); + tracehook_notify_resume(regs); + } + } + local_irq_disable(); + thread_flags = current_thread_info()->flags; + } while (thread_flags & _TIF_WORK_MASK); + return 0; } diff --git a/arch/arm/kernel/signal.h b/arch/arm/kernel/signal.h index 6fcfe83..5ff067b7 100644 --- a/arch/arm/kernel/signal.h +++ b/arch/arm/kernel/signal.h @@ -8,7 +8,5 @@ * published by the Free Software Foundation. */ #define KERN_SIGRETURN_CODE (CONFIG_VECTORS_BASE + 0x00000500) -#define KERN_RESTART_CODE (KERN_SIGRETURN_CODE + sizeof(sigreturn_codes)) extern const unsigned long sigreturn_codes[7]; -extern const unsigned long syscall_restart_code[2]; diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c index aea74f5..ebd8ad2 100644 --- a/arch/arm/kernel/smp.c +++ b/arch/arm/kernel/smp.c @@ -563,7 +563,8 @@ void smp_send_stop(void) cpumask_copy(&mask, cpu_online_mask); cpumask_clear_cpu(smp_processor_id(), &mask); - smp_cross_call(&mask, IPI_CPU_STOP); + if (!cpumask_empty(&mask)) + smp_cross_call(&mask, IPI_CPU_STOP); /* Wait up to one second for other CPUs to stop */ timeout = USEC_PER_SEC; diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c index 8b97d739..f794521 100644 --- a/arch/arm/kernel/traps.c +++ b/arch/arm/kernel/traps.c @@ -402,18 +402,10 @@ static int call_undef_hook(struct pt_regs *regs, unsigned int instr) asmlinkage void __exception do_undefinstr(struct pt_regs *regs) { - unsigned int correction = thumb_mode(regs) ? 2 : 4; unsigned int instr; siginfo_t info; void __user *pc; - /* - * According to the ARM ARM, PC is 2 or 4 bytes ahead, - * depending whether we're in Thumb mode or not. - * Correct this offset. - */ - regs->ARM_pc -= correction; - pc = (void __user *)instruction_pointer(regs); if (processor_mode(regs) == SVC_MODE) { @@ -852,8 +844,6 @@ void __init early_trap_init(void *vectors_base) */ memcpy((void *)(vectors + KERN_SIGRETURN_CODE - CONFIG_VECTORS_BASE), sigreturn_codes, sizeof(sigreturn_codes)); - memcpy((void *)(vectors + KERN_RESTART_CODE - CONFIG_VECTORS_BASE), - syscall_restart_code, sizeof(syscall_restart_code)); flush_icache_range(vectors, vectors + PAGE_SIZE); modify_domain(DOMAIN_USER, DOMAIN_CLIENT); diff --git a/arch/arm/lib/io-acorn.S b/arch/arm/lib/io-acorn.S index 1b197ea..69719ba 100644 --- a/arch/arm/lib/io-acorn.S +++ b/arch/arm/lib/io-acorn.S @@ -11,13 +11,14 @@ * */ #include <linux/linkage.h> +#include <linux/kern_levels.h> #include <asm/assembler.h> .text .align .Liosl_warning: - .ascii "<4>insl/outsl not implemented, called from %08lX\0" + .ascii KERN_WARNING "insl/outsl not implemented, called from %08lX\0" .align /* diff --git a/arch/arm/mach-davinci/devices-da8xx.c b/arch/arm/mach-davinci/devices-da8xx.c index d1624a3..783eab6 100644 --- a/arch/arm/mach-davinci/devices-da8xx.c +++ b/arch/arm/mach-davinci/devices-da8xx.c @@ -546,6 +546,7 @@ static struct lcd_ctrl_config lcd_cfg = { .sync_edge = 0, .sync_ctrl = 1, .raster_order = 0, + .fifo_th = 6, }; struct da8xx_lcdc_platform_data sharp_lcd035q3dg01_pdata = { diff --git a/arch/arm/mach-exynos/clock-exynos4.c b/arch/arm/mach-exynos/clock-exynos4.c index 26fe9de..2f51293 100644 --- a/arch/arm/mach-exynos/clock-exynos4.c +++ b/arch/arm/mach-exynos/clock-exynos4.c @@ -620,10 +620,6 @@ static struct clk exynos4_init_clocks_off[] = { .enable = exynos4_clk_ip_peril_ctrl, .ctrlbit = (1 << 27), }, { - .name = "fimg2d", - .enable = exynos4_clk_ip_image_ctrl, - .ctrlbit = (1 << 0), - }, { .name = "mfc", .devname = "s5p-mfc", .enable = exynos4_clk_ip_mfc_ctrl, @@ -819,47 +815,21 @@ static struct clk *exynos4_clkset_mout_g2d0_list[] = { [1] = &exynos4_clk_sclk_apll.clk, }; -static struct clksrc_sources exynos4_clkset_mout_g2d0 = { +struct clksrc_sources exynos4_clkset_mout_g2d0 = { .sources = exynos4_clkset_mout_g2d0_list, .nr_sources = ARRAY_SIZE(exynos4_clkset_mout_g2d0_list), }; -static struct clksrc_clk exynos4_clk_mout_g2d0 = { - .clk = { - .name = "mout_g2d0", - }, - .sources = &exynos4_clkset_mout_g2d0, - .reg_src = { .reg = EXYNOS4_CLKSRC_IMAGE, .shift = 0, .size = 1 }, -}; - static struct clk *exynos4_clkset_mout_g2d1_list[] = { [0] = &exynos4_clk_mout_epll.clk, [1] = &exynos4_clk_sclk_vpll.clk, }; -static struct clksrc_sources exynos4_clkset_mout_g2d1 = { +struct clksrc_sources exynos4_clkset_mout_g2d1 = { .sources = exynos4_clkset_mout_g2d1_list, .nr_sources = ARRAY_SIZE(exynos4_clkset_mout_g2d1_list), }; -static struct clksrc_clk exynos4_clk_mout_g2d1 = { - .clk = { - .name = "mout_g2d1", - }, - .sources = &exynos4_clkset_mout_g2d1, - .reg_src = { .reg = EXYNOS4_CLKSRC_IMAGE, .shift = 4, .size = 1 }, -}; - -static struct clk *exynos4_clkset_mout_g2d_list[] = { - [0] = &exynos4_clk_mout_g2d0.clk, - [1] = &exynos4_clk_mout_g2d1.clk, -}; - -static struct clksrc_sources exynos4_clkset_mout_g2d = { - .sources = exynos4_clkset_mout_g2d_list, - .nr_sources = ARRAY_SIZE(exynos4_clkset_mout_g2d_list), -}; - static struct clk *exynos4_clkset_mout_mfc0_list[] = { [0] = &exynos4_clk_mout_mpll.clk, [1] = &exynos4_clk_sclk_apll.clk, @@ -1126,13 +1096,6 @@ static struct clksrc_clk exynos4_clksrcs[] = { .reg_div = { .reg = EXYNOS4_CLKDIV_LCD0, .shift = 0, .size = 4 }, }, { .clk = { - .name = "sclk_fimg2d", - }, - .sources = &exynos4_clkset_mout_g2d, - .reg_src = { .reg = EXYNOS4_CLKSRC_IMAGE, .shift = 8, .size = 1 }, - .reg_div = { .reg = EXYNOS4_CLKDIV_IMAGE, .shift = 0, .size = 4 }, - }, { - .clk = { .name = "sclk_mfc", .devname = "s5p-mfc", }, diff --git a/arch/arm/mach-exynos/clock-exynos4.h b/arch/arm/mach-exynos/clock-exynos4.h index 28a1197..bd12d5f 100644 --- a/arch/arm/mach-exynos/clock-exynos4.h +++ b/arch/arm/mach-exynos/clock-exynos4.h @@ -23,6 +23,9 @@ extern struct clksrc_sources exynos4_clkset_group; extern struct clk *exynos4_clkset_aclk_top_list[]; extern struct clk *exynos4_clkset_group_list[]; +extern struct clksrc_sources exynos4_clkset_mout_g2d0; +extern struct clksrc_sources exynos4_clkset_mout_g2d1; + extern int exynos4_clksrc_mask_fsys_ctrl(struct clk *clk, int enable); extern int exynos4_clk_ip_fsys_ctrl(struct clk *clk, int enable); extern int exynos4_clk_ip_lcd1_ctrl(struct clk *clk, int enable); diff --git a/arch/arm/mach-exynos/clock-exynos4210.c b/arch/arm/mach-exynos/clock-exynos4210.c index b8689ff..fed4c26 100644 --- a/arch/arm/mach-exynos/clock-exynos4210.c +++ b/arch/arm/mach-exynos/clock-exynos4210.c @@ -48,6 +48,32 @@ static struct clksrc_clk *sysclks[] = { /* nothing here yet */ }; +static struct clksrc_clk exynos4210_clk_mout_g2d0 = { + .clk = { + .name = "mout_g2d0", + }, + .sources = &exynos4_clkset_mout_g2d0, + .reg_src = { .reg = EXYNOS4_CLKSRC_IMAGE, .shift = 0, .size = 1 }, +}; + +static struct clksrc_clk exynos4210_clk_mout_g2d1 = { + .clk = { + .name = "mout_g2d1", + }, + .sources = &exynos4_clkset_mout_g2d1, + .reg_src = { .reg = EXYNOS4_CLKSRC_IMAGE, .shift = 4, .size = 1 }, +}; + +static struct clk *exynos4210_clkset_mout_g2d_list[] = { + [0] = &exynos4210_clk_mout_g2d0.clk, + [1] = &exynos4210_clk_mout_g2d1.clk, +}; + +static struct clksrc_sources exynos4210_clkset_mout_g2d = { + .sources = exynos4210_clkset_mout_g2d_list, + .nr_sources = ARRAY_SIZE(exynos4210_clkset_mout_g2d_list), +}; + static int exynos4_clksrc_mask_lcd1_ctrl(struct clk *clk, int enable) { return s5p_gatectrl(EXYNOS4210_CLKSRC_MASK_LCD1, clk, enable); @@ -74,6 +100,13 @@ static struct clksrc_clk clksrcs[] = { .sources = &exynos4_clkset_group, .reg_src = { .reg = EXYNOS4210_CLKSRC_LCD1, .shift = 0, .size = 4 }, .reg_div = { .reg = EXYNOS4210_CLKDIV_LCD1, .shift = 0, .size = 4 }, + }, { + .clk = { + .name = "sclk_fimg2d", + }, + .sources = &exynos4210_clkset_mout_g2d, + .reg_src = { .reg = EXYNOS4_CLKSRC_IMAGE, .shift = 8, .size = 1 }, + .reg_div = { .reg = EXYNOS4_CLKDIV_IMAGE, .shift = 0, .size = 4 }, }, }; @@ -105,6 +138,10 @@ static struct clk init_clocks_off[] = { .devname = SYSMMU_CLOCK_DEVNAME(fimd1, 11), .enable = exynos4_clk_ip_lcd1_ctrl, .ctrlbit = (1 << 4), + }, { + .name = "fimg2d", + .enable = exynos4_clk_ip_image_ctrl, + .ctrlbit = (1 << 0), }, }; diff --git a/arch/arm/mach-exynos/clock-exynos4212.c b/arch/arm/mach-exynos/clock-exynos4212.c index da397d2..8fba0b5 100644 --- a/arch/arm/mach-exynos/clock-exynos4212.c +++ b/arch/arm/mach-exynos/clock-exynos4212.c @@ -68,12 +68,45 @@ static struct clksrc_clk clk_mout_mpll_user = { .reg_src = { .reg = EXYNOS4_CLKSRC_CPU, .shift = 24, .size = 1 }, }; +static struct clksrc_clk exynos4x12_clk_mout_g2d0 = { + .clk = { + .name = "mout_g2d0", + }, + .sources = &exynos4_clkset_mout_g2d0, + .reg_src = { .reg = EXYNOS4_CLKSRC_DMC, .shift = 20, .size = 1 }, +}; + +static struct clksrc_clk exynos4x12_clk_mout_g2d1 = { + .clk = { + .name = "mout_g2d1", + }, + .sources = &exynos4_clkset_mout_g2d1, + .reg_src = { .reg = EXYNOS4_CLKSRC_DMC, .shift = 24, .size = 1 }, +}; + +static struct clk *exynos4x12_clkset_mout_g2d_list[] = { + [0] = &exynos4x12_clk_mout_g2d0.clk, + [1] = &exynos4x12_clk_mout_g2d1.clk, +}; + +static struct clksrc_sources exynos4x12_clkset_mout_g2d = { + .sources = exynos4x12_clkset_mout_g2d_list, + .nr_sources = ARRAY_SIZE(exynos4x12_clkset_mout_g2d_list), +}; + static struct clksrc_clk *sysclks[] = { &clk_mout_mpll_user, }; static struct clksrc_clk clksrcs[] = { - /* nothing here yet */ + { + .clk = { + .name = "sclk_fimg2d", + }, + .sources = &exynos4x12_clkset_mout_g2d, + .reg_src = { .reg = EXYNOS4_CLKSRC_DMC, .shift = 28, .size = 1 }, + .reg_div = { .reg = EXYNOS4_CLKDIV_DMC1, .shift = 0, .size = 4 }, + }, }; static struct clk init_clocks_off[] = { @@ -102,7 +135,11 @@ static struct clk init_clocks_off[] = { .devname = "exynos-fimc-lite.1", .enable = exynos4212_clk_ip_isp0_ctrl, .ctrlbit = (1 << 3), - } + }, { + .name = "fimg2d", + .enable = exynos4_clk_ip_dmc_ctrl, + .ctrlbit = (1 << 23), + }, }; #ifdef CONFIG_PM_SLEEP diff --git a/arch/arm/mach-exynos/mach-nuri.c b/arch/arm/mach-exynos/mach-nuri.c index f98a83a8..ea785fc 100644 --- a/arch/arm/mach-exynos/mach-nuri.c +++ b/arch/arm/mach-exynos/mach-nuri.c @@ -1066,12 +1066,8 @@ static struct platform_device nuri_max8903_device = { static void __init nuri_power_init(void) { int gpio; - int irq_base = IRQ_GPIO_END + 1; int ta_en = 0; - nuri_max8997_pdata.irq_base = irq_base; - irq_base += MAX8997_IRQ_NR; - gpio = EXYNOS4_GPX0(7); gpio_request(gpio, "AP_PMIC_IRQ"); s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(0xf)); diff --git a/arch/arm/mach-exynos/mach-origen.c b/arch/arm/mach-exynos/mach-origen.c index 5a12dc2..5ca8030 100644 --- a/arch/arm/mach-exynos/mach-origen.c +++ b/arch/arm/mach-exynos/mach-origen.c @@ -426,7 +426,6 @@ static struct max8997_platform_data __initdata origen_max8997_pdata = { .buck1_gpiodvs = false, .buck2_gpiodvs = false, .buck5_gpiodvs = false, - .irq_base = IRQ_GPIO_END + 1, .ignore_gpiodvs_side_effect = true, .buck125_default_idx = 0x0, diff --git a/arch/arm/mach-netx/fb.c b/arch/arm/mach-netx/fb.c index 2cdf6ef..d122ee6 100644 --- a/arch/arm/mach-netx/fb.c +++ b/arch/arm/mach-netx/fb.c @@ -69,29 +69,6 @@ void netx_clcd_remove(struct clcd_fb *fb) fb->fb.screen_base, fb->fb.fix.smem_start); } -void clk_disable(struct clk *clk) -{ -} - -int clk_set_rate(struct clk *clk, unsigned long rate) -{ - return 0; -} - -int clk_enable(struct clk *clk) -{ - return 0; -} - -struct clk *clk_get(struct device *dev, const char *id) -{ - return dev && strcmp(dev_name(dev), "fb") == 0 ? NULL : ERR_PTR(-ENOENT); -} - -void clk_put(struct clk *clk) -{ -} - static AMBA_AHB_DEVICE(fb, "fb", 0, 0x00104000, { NETX_IRQ_LCD }, NULL); int netx_fb_init(struct clcd_board *board, struct clcd_panel *panel) diff --git a/arch/arm/mach-omap1/board-h2-mmc.c b/arch/arm/mach-omap1/board-h2-mmc.c index da0e37d..e1362ce 100644 --- a/arch/arm/mach-omap1/board-h2-mmc.c +++ b/arch/arm/mach-omap1/board-h2-mmc.c @@ -54,7 +54,6 @@ static struct omap_mmc_platform_data mmc1_data = { .nr_slots = 1, .init = mmc_late_init, .cleanup = mmc_cleanup, - .dma_mask = 0xffffffff, .slots[0] = { .set_power = mmc_set_power, .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, diff --git a/arch/arm/mach-omap1/board-h3-mmc.c b/arch/arm/mach-omap1/board-h3-mmc.c index f8242aa..c74daac 100644 --- a/arch/arm/mach-omap1/board-h3-mmc.c +++ b/arch/arm/mach-omap1/board-h3-mmc.c @@ -36,7 +36,6 @@ static int mmc_set_power(struct device *dev, int slot, int power_on, */ static struct omap_mmc_platform_data mmc1_data = { .nr_slots = 1, - .dma_mask = 0xffffffff, .slots[0] = { .set_power = mmc_set_power, .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, diff --git a/arch/arm/mach-omap1/board-nokia770.c b/arch/arm/mach-omap1/board-nokia770.c index 4007a37..2c0ca8f 100644 --- a/arch/arm/mach-omap1/board-nokia770.c +++ b/arch/arm/mach-omap1/board-nokia770.c @@ -185,7 +185,6 @@ static int nokia770_mmc_get_cover_state(struct device *dev, int slot) static struct omap_mmc_platform_data nokia770_mmc2_data = { .nr_slots = 1, - .dma_mask = 0xffffffff, .max_freq = 12000000, .slots[0] = { .set_power = nokia770_mmc_set_power, diff --git a/arch/arm/mach-omap1/board-palmz71.c b/arch/arm/mach-omap1/board-palmz71.c index cc71a26..3559803 100644 --- a/arch/arm/mach-omap1/board-palmz71.c +++ b/arch/arm/mach-omap1/board-palmz71.c @@ -288,8 +288,7 @@ palmz71_gpio_setup(int early) } gpio_direction_input(PALMZ71_USBDETECT_GPIO); if (request_irq(gpio_to_irq(PALMZ71_USBDETECT_GPIO), - palmz71_powercable, IRQF_SAMPLE_RANDOM, - "palmz71-cable", NULL)) + palmz71_powercable, 0, "palmz71-cable", NULL)) printk(KERN_ERR "IRQ request for power cable failed!\n"); palmz71_powercable(gpio_to_irq(PALMZ71_USBDETECT_GPIO), NULL); diff --git a/arch/arm/mach-omap2/board-n8x0.c b/arch/arm/mach-omap2/board-n8x0.c index 2c5d0ed..677357f 100644 --- a/arch/arm/mach-omap2/board-n8x0.c +++ b/arch/arm/mach-omap2/board-n8x0.c @@ -468,7 +468,6 @@ static struct omap_mmc_platform_data mmc1_data = { .cleanup = n8x0_mmc_cleanup, .shutdown = n8x0_mmc_shutdown, .max_freq = 24000000, - .dma_mask = 0xffffffff, .slots[0] = { .wires = 4, .set_power = n8x0_mmc_set_power, diff --git a/arch/arm/mach-omap2/display.c b/arch/arm/mach-omap2/display.c index 5fb47a1..af1ed7d 100644 --- a/arch/arm/mach-omap2/display.c +++ b/arch/arm/mach-omap2/display.c @@ -37,6 +37,7 @@ #define DISPC_CONTROL 0x0040 #define DISPC_CONTROL2 0x0238 +#define DISPC_CONTROL3 0x0848 #define DISPC_IRQSTATUS 0x0018 #define DSS_SYSCONFIG 0x10 @@ -52,6 +53,7 @@ #define EVSYNC_EVEN_IRQ_SHIFT 2 #define EVSYNC_ODD_IRQ_SHIFT 3 #define FRAMEDONE2_IRQ_SHIFT 22 +#define FRAMEDONE3_IRQ_SHIFT 30 #define FRAMEDONETV_IRQ_SHIFT 24 /* @@ -376,7 +378,7 @@ int __init omap_display_init(struct omap_dss_board_info *board_data) static void dispc_disable_outputs(void) { u32 v, irq_mask = 0; - bool lcd_en, digit_en, lcd2_en = false; + bool lcd_en, digit_en, lcd2_en = false, lcd3_en = false; int i; struct omap_dss_dispc_dev_attr *da; struct omap_hwmod *oh; @@ -405,7 +407,13 @@ static void dispc_disable_outputs(void) lcd2_en = v & LCD_EN_MASK; } - if (!(lcd_en | digit_en | lcd2_en)) + /* store value of LCDENABLE for LCD3 */ + if (da->manager_count > 3) { + v = omap_hwmod_read(oh, DISPC_CONTROL3); + lcd3_en = v & LCD_EN_MASK; + } + + if (!(lcd_en | digit_en | lcd2_en | lcd3_en)) return; /* no managers currently enabled */ /* @@ -426,10 +434,12 @@ static void dispc_disable_outputs(void) if (lcd2_en) irq_mask |= 1 << FRAMEDONE2_IRQ_SHIFT; + if (lcd3_en) + irq_mask |= 1 << FRAMEDONE3_IRQ_SHIFT; /* * clear any previous FRAMEDONE, FRAMEDONETV, - * EVSYNC_EVEN/ODD or FRAMEDONE2 interrupts + * EVSYNC_EVEN/ODD, FRAMEDONE2 or FRAMEDONE3 interrupts */ omap_hwmod_write(irq_mask, oh, DISPC_IRQSTATUS); @@ -445,12 +455,19 @@ static void dispc_disable_outputs(void) omap_hwmod_write(v, oh, DISPC_CONTROL2); } + /* disable LCD3 manager */ + if (da->manager_count > 3) { + v = omap_hwmod_read(oh, DISPC_CONTROL3); + v &= ~LCD_EN_MASK; + omap_hwmod_write(v, oh, DISPC_CONTROL3); + } + i = 0; while ((omap_hwmod_read(oh, DISPC_IRQSTATUS) & irq_mask) != irq_mask) { i++; if (i > FRAMEDONE_IRQ_TIMEOUT) { - pr_err("didn't get FRAMEDONE1/2 or TV interrupt\n"); + pr_err("didn't get FRAMEDONE1/2/3 or TV interrupt\n"); break; } mdelay(1); diff --git a/arch/arm/mach-omap2/hsmmc.c b/arch/arm/mach-omap2/hsmmc.c index be697d4..a9675d8 100644 --- a/arch/arm/mach-omap2/hsmmc.c +++ b/arch/arm/mach-omap2/hsmmc.c @@ -315,7 +315,6 @@ static int __init omap_hsmmc_pdata_init(struct omap2_hsmmc_info *c, mmc->slots[0].caps = c->caps; mmc->slots[0].pm_caps = c->pm_caps; mmc->slots[0].internal_clock = !c->ext_clock; - mmc->dma_mask = 0xffffffff; mmc->max_freq = c->max_freq; if (cpu_is_omap44xx()) mmc->reg_offset = OMAP4_MMC_REG_OFFSET; diff --git a/arch/arm/mach-pxa/eseries.h b/arch/arm/mach-pxa/eseries.h deleted file mode 100644 index b96949d..0000000 --- a/arch/arm/mach-pxa/eseries.h +++ /dev/null @@ -1,14 +0,0 @@ -void __init eseries_fixup(struct tag *tags, char **cmdline, struct meminfo *mi); - -extern struct pxa2xx_udc_mach_info e7xx_udc_mach_info; -extern struct pxaficp_platform_data e7xx_ficp_platform_data; -extern int e7xx_irda_init(void); - -extern int eseries_tmio_enable(struct platform_device *dev); -extern int eseries_tmio_disable(struct platform_device *dev); -extern int eseries_tmio_suspend(struct platform_device *dev); -extern int eseries_tmio_resume(struct platform_device *dev); -extern void eseries_get_tmio_gpios(void); -extern struct resource eseries_tmio_resources[]; -extern struct platform_device e300_tc6387xb_device; - diff --git a/arch/arm/mach-pxa/hx4700.c b/arch/arm/mach-pxa/hx4700.c index d3de84b..e631198 100644 --- a/arch/arm/mach-pxa/hx4700.c +++ b/arch/arm/mach-pxa/hx4700.c @@ -296,27 +296,11 @@ static struct asic3_led asic3_leds[ASIC3_NUM_LEDS] = { static struct resource asic3_resources[] = { /* GPIO part */ - [0] = { - .start = ASIC3_PHYS, - .end = ASIC3_PHYS + ASIC3_MAP_SIZE_16BIT - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = PXA_GPIO_TO_IRQ(GPIO12_HX4700_ASIC3_IRQ), - .end = PXA_GPIO_TO_IRQ(GPIO12_HX4700_ASIC3_IRQ), - .flags = IORESOURCE_IRQ, - }, + [0] = DEFINE_RES_MEM(ASIC3_PHYS, ASIC3_MAP_SIZE_16BIT), + [1] = DEFINE_RES_IRQ(PXA_GPIO_TO_IRQ(GPIO12_HX4700_ASIC3_IRQ)), /* SD part */ - [2] = { - .start = ASIC3_SD_PHYS, - .end = ASIC3_SD_PHYS + ASIC3_MAP_SIZE_16BIT - 1, - .flags = IORESOURCE_MEM, - }, - [3] = { - .start = PXA_GPIO_TO_IRQ(GPIO66_HX4700_ASIC3_nSDIO_IRQ), - .end = PXA_GPIO_TO_IRQ(GPIO66_HX4700_ASIC3_nSDIO_IRQ), - .flags = IORESOURCE_IRQ, - }, + [2] = DEFINE_RES_MEM(ASIC3_SD_PHYS, ASIC3_MAP_SIZE_16BIT), + [3] = DEFINE_RES_IRQ(PXA_GPIO_TO_IRQ(GPIO66_HX4700_ASIC3_nSDIO_IRQ)), }; static struct asic3_platform_data asic3_platform_data = { @@ -343,11 +327,7 @@ static struct platform_device asic3 = { */ static struct resource egpio_resources[] = { - [0] = { - .start = PXA_CS5_PHYS, - .end = PXA_CS5_PHYS + 0x4 - 1, - .flags = IORESOURCE_MEM, - }, + [0] = DEFINE_RES_MEM(PXA_CS5_PHYS, 0x4), }; static struct htc_egpio_chip egpio_chips[] = { @@ -537,11 +517,7 @@ static struct w100fb_mach_info w3220_info = { }; static struct resource w3220_resources[] = { - [0] = { - .start = ATI_W3220_PHYS, - .end = ATI_W3220_PHYS + 0x00ffffff, - .flags = IORESOURCE_MEM, - }, + [0] = DEFINE_RES_MEM(ATI_W3220_PHYS, SZ_16M), }; static struct platform_device w3220 = { @@ -683,20 +659,12 @@ static struct pda_power_pdata power_supply_info = { }; static struct resource power_supply_resources[] = { - [0] = { - .name = "ac", - .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE | - IORESOURCE_IRQ_LOWEDGE, - .start = PXA_GPIO_TO_IRQ(GPIOD9_nAC_IN), - .end = PXA_GPIO_TO_IRQ(GPIOD9_nAC_IN), - }, - [1] = { - .name = "usb", - .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE | - IORESOURCE_IRQ_LOWEDGE, - .start = PXA_GPIO_TO_IRQ(GPIOD14_nUSBC_DETECT), - .end = PXA_GPIO_TO_IRQ(GPIOD14_nUSBC_DETECT), - }, + [0] = DEFINE_RES_NAMED(PXA_GPIO_TO_IRQ(GPIOD9_nAC_IN), 1, "ac", + IORESOURCE_IRQ | + IORESOURCE_IRQ_HIGHEDGE | IORESOURCE_IRQ_LOWEDGE), + [1] = DEFINE_RES_NAMED(PXA_GPIO_TO_IRQ(GPIOD14_nUSBC_DETECT), 1, "usb", + IORESOURCE_IRQ | + IORESOURCE_IRQ_HIGHEDGE | IORESOURCE_IRQ_LOWEDGE), }; static struct platform_device power_supply = { diff --git a/arch/arm/mach-pxa/lubbock.c b/arch/arm/mach-pxa/lubbock.c index 6bb3f47..0ca0db7 100644 --- a/arch/arm/mach-pxa/lubbock.c +++ b/arch/arm/mach-pxa/lubbock.c @@ -456,7 +456,7 @@ static int lubbock_mci_init(struct device *dev, init_timer(&mmc_timer); mmc_timer.data = (unsigned long) data; return request_irq(LUBBOCK_SD_IRQ, lubbock_detect_int, - IRQF_SAMPLE_RANDOM, "lubbock-sd-detect", data); + 0, "lubbock-sd-detect", data); } static int lubbock_mci_get_ro(struct device *dev) diff --git a/arch/arm/mach-pxa/magician.c b/arch/arm/mach-pxa/magician.c index 2db697c..39561dc 100644 --- a/arch/arm/mach-pxa/magician.c +++ b/arch/arm/mach-pxa/magician.c @@ -633,9 +633,8 @@ static struct platform_device bq24022 = { static int magician_mci_init(struct device *dev, irq_handler_t detect_irq, void *data) { - return request_irq(IRQ_MAGICIAN_SD, detect_irq, - IRQF_DISABLED | IRQF_SAMPLE_RANDOM, - "mmc card detect", data); + return request_irq(IRQ_MAGICIAN_SD, detect_irq, IRQF_DISABLED, + "mmc card detect", data); } static void magician_mci_exit(struct device *dev, void *data) diff --git a/arch/arm/mach-pxa/trizeps4.c b/arch/arm/mach-pxa/trizeps4.c index 2b6ac00..166dd32 100644 --- a/arch/arm/mach-pxa/trizeps4.c +++ b/arch/arm/mach-pxa/trizeps4.c @@ -332,8 +332,8 @@ static int trizeps4_mci_init(struct device *dev, irq_handler_t mci_detect_int, int err; err = request_irq(TRIZEPS4_MMC_IRQ, mci_detect_int, - IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_SAMPLE_RANDOM, - "MMC card detect", data); + IRQF_DISABLED | IRQF_TRIGGER_RISING, + "MMC card detect", data); if (err) { printk(KERN_ERR "trizeps4_mci_init: MMC/SD: can't request" "MMC card detect IRQ\n"); diff --git a/arch/arm/mach-s3c64xx/include/mach/pm-core.h b/arch/arm/mach-s3c64xx/include/mach/pm-core.h index fcf3dca..c0537f4 100644 --- a/arch/arm/mach-s3c64xx/include/mach/pm-core.h +++ b/arch/arm/mach-s3c64xx/include/mach/pm-core.h @@ -12,6 +12,9 @@ * published by the Free Software Foundation. */ +#ifndef __MACH_S3C64XX_PM_CORE_H +#define __MACH_S3C64XX_PM_CORE_H __FILE__ + #include <mach/regs-gpio.h> static inline void s3c_pm_debug_init_uart(void) @@ -113,3 +116,4 @@ static inline void samsung_pm_saved_gpios(void) __raw_writel(S3C64XX_SLPEN_USE_xSLP, S3C64XX_SLPEN); } +#endif /* __MACH_S3C64XX_PM_CORE_H */ diff --git a/arch/arm/mach-shmobile/Kconfig b/arch/arm/mach-shmobile/Kconfig index df33909..4cacc2d 100644 --- a/arch/arm/mach-shmobile/Kconfig +++ b/arch/arm/mach-shmobile/Kconfig @@ -19,6 +19,7 @@ config ARCH_SH7372 select CPU_V7 select SH_CLK_CPG select ARCH_WANT_OPTIONAL_GPIOLIB + select ARM_CPU_SUSPEND if PM || CPU_IDLE config ARCH_SH73A0 bool "SH-Mobile AG5 (R8A73A00)" @@ -58,6 +59,7 @@ config MACH_G4EVM bool "G4EVM board" depends on ARCH_SH7377 select ARCH_REQUIRE_GPIOLIB + select REGULATOR_FIXED_VOLTAGE if REGULATOR config MACH_AP4EVB bool "AP4EVB board" @@ -65,6 +67,7 @@ config MACH_AP4EVB select ARCH_REQUIRE_GPIOLIB select SH_LCD_MIPI_DSI select SND_SOC_AK4642 if SND_SIMPLE_CARD + select REGULATOR_FIXED_VOLTAGE if REGULATOR choice prompt "AP4EVB LCD panel selection" @@ -83,6 +86,7 @@ config MACH_AG5EVM bool "AG5EVM board" select ARCH_REQUIRE_GPIOLIB select SH_LCD_MIPI_DSI + select REGULATOR_FIXED_VOLTAGE if REGULATOR depends on ARCH_SH73A0 config MACH_MACKEREL @@ -90,15 +94,18 @@ config MACH_MACKEREL depends on ARCH_SH7372 select ARCH_REQUIRE_GPIOLIB select SND_SOC_AK4642 if SND_SIMPLE_CARD + select REGULATOR_FIXED_VOLTAGE if REGULATOR config MACH_KOTA2 bool "KOTA2 board" select ARCH_REQUIRE_GPIOLIB + select REGULATOR_FIXED_VOLTAGE if REGULATOR depends on ARCH_SH73A0 config MACH_BONITO bool "bonito board" select ARCH_REQUIRE_GPIOLIB + select REGULATOR_FIXED_VOLTAGE if REGULATOR depends on ARCH_R8A7740 config MACH_ARMADILLO800EVA @@ -106,22 +113,28 @@ config MACH_ARMADILLO800EVA depends on ARCH_R8A7740 select ARCH_REQUIRE_GPIOLIB select USE_OF + select REGULATOR_FIXED_VOLTAGE if REGULATOR + select SND_SOC_WM8978 if SND_SIMPLE_CARD config MACH_MARZEN bool "MARZEN board" depends on ARCH_R8A7779 select ARCH_REQUIRE_GPIOLIB + select REGULATOR_FIXED_VOLTAGE if REGULATOR config MACH_KZM9D bool "KZM9D board" depends on ARCH_EMEV2 select USE_OF + select REGULATOR_FIXED_VOLTAGE if REGULATOR config MACH_KZM9G bool "KZM-A9-GT board" depends on ARCH_SH73A0 select ARCH_REQUIRE_GPIOLIB select USE_OF + select SND_SOC_AK4642 if SND_SIMPLE_CARD + select REGULATOR_FIXED_VOLTAGE if REGULATOR comment "SH-Mobile System Configuration" diff --git a/arch/arm/mach-shmobile/Makefile b/arch/arm/mach-shmobile/Makefile index 8aa1962..0df5ae6 100644 --- a/arch/arm/mach-shmobile/Makefile +++ b/arch/arm/mach-shmobile/Makefile @@ -39,7 +39,9 @@ obj-$(CONFIG_ARCH_R8A7740) += entry-intc.o # PM objects obj-$(CONFIG_SUSPEND) += suspend.o obj-$(CONFIG_CPU_IDLE) += cpuidle.o +obj-$(CONFIG_ARCH_SHMOBILE) += pm-rmobile.o obj-$(CONFIG_ARCH_SH7372) += pm-sh7372.o sleep-sh7372.o +obj-$(CONFIG_ARCH_R8A7740) += pm-r8a7740.o obj-$(CONFIG_ARCH_R8A7779) += pm-r8a7779.o # Board objects diff --git a/arch/arm/mach-shmobile/board-ag5evm.c b/arch/arm/mach-shmobile/board-ag5evm.c index 5a6f22f..d82c010 100644 --- a/arch/arm/mach-shmobile/board-ag5evm.c +++ b/arch/arm/mach-shmobile/board-ag5evm.c @@ -27,6 +27,8 @@ #include <linux/delay.h> #include <linux/io.h> #include <linux/dma-mapping.h> +#include <linux/regulator/fixed.h> +#include <linux/regulator/machine.h> #include <linux/serial_sci.h> #include <linux/smsc911x.h> #include <linux/gpio.h> @@ -52,6 +54,12 @@ #include <asm/hardware/cache-l2x0.h> #include <asm/traps.h> +/* Dummy supplies, where voltage doesn't matter */ +static struct regulator_consumer_supply dummy_supplies[] = { + REGULATOR_SUPPLY("vddvario", "smsc911x"), + REGULATOR_SUPPLY("vdd33a", "smsc911x"), +}; + static struct resource smsc9220_resources[] = { [0] = { .start = 0x14000000, @@ -142,6 +150,13 @@ static struct platform_device fsi_device = { .resource = fsi_resources, }; +/* Fixed 1.8V regulator to be used by MMCIF */ +static struct regulator_consumer_supply fixed1v8_power_consumers[] = +{ + REGULATOR_SUPPLY("vmmc", "sh_mmcif.0"), + REGULATOR_SUPPLY("vqmmc", "sh_mmcif.0"), +}; + static struct resource sh_mmcif_resources[] = { [0] = { .name = "MMCIF", @@ -364,6 +379,13 @@ static struct platform_device mipidsi0_device = { }, }; +/* Fixed 2.8V regulators to be used by SDHI0 */ +static struct regulator_consumer_supply fixed2v8_power_consumers[] = +{ + REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"), + REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.0"), +}; + /* SDHI0 */ static struct sh_mobile_sdhi_info sdhi0_info = { .dma_slave_tx = SHDMA_SLAVE_SDHI0_TX, @@ -408,8 +430,57 @@ static struct platform_device sdhi0_device = { }, }; -void ag5evm_sdhi1_set_pwr(struct platform_device *pdev, int state) +/* Fixed 3.3V regulator to be used by SDHI1 */ +static struct regulator_consumer_supply cn4_power_consumers[] = { + REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.1"), + REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.1"), +}; + +static struct regulator_init_data cn4_power_init_data = { + .constraints = { + .valid_ops_mask = REGULATOR_CHANGE_STATUS, + }, + .num_consumer_supplies = ARRAY_SIZE(cn4_power_consumers), + .consumer_supplies = cn4_power_consumers, +}; + +static struct fixed_voltage_config cn4_power_info = { + .supply_name = "CN4 SD/MMC Vdd", + .microvolts = 3300000, + .gpio = GPIO_PORT114, + .enable_high = 1, + .init_data = &cn4_power_init_data, +}; + +static struct platform_device cn4_power = { + .name = "reg-fixed-voltage", + .id = 2, + .dev = { + .platform_data = &cn4_power_info, + }, +}; + +static void ag5evm_sdhi1_set_pwr(struct platform_device *pdev, int state) +{ + static int power_gpio = -EINVAL; + + if (power_gpio < 0) { + int ret = gpio_request(GPIO_PORT114, "sdhi1_power"); + if (!ret) { + power_gpio = GPIO_PORT114; + gpio_direction_output(power_gpio, 0); + } + } + + /* + * If requesting the GPIO above failed, it means, that the regulator got + * probed and grabbed the GPIO, but we don't know, whether the sdhi + * driver already uses the regulator. If it doesn't, we have to toggle + * the GPIO ourselves, even though it is now owned by the fixed + * regulator driver. We have to live with the race in case the driver + * gets unloaded and the GPIO freed between these two steps. + */ gpio_set_value(GPIO_PORT114, state); } @@ -455,6 +526,7 @@ static struct platform_device sdhi1_device = { }; static struct platform_device *ag5evm_devices[] __initdata = { + &cn4_power, ð_device, &keysc_device, &fsi_device, @@ -468,6 +540,12 @@ static struct platform_device *ag5evm_devices[] __initdata = { static void __init ag5evm_init(void) { + regulator_register_always_on(0, "fixed-1.8V", fixed1v8_power_consumers, + ARRAY_SIZE(fixed1v8_power_consumers), 1800000); + regulator_register_always_on(1, "fixed-2.8V", fixed2v8_power_consumers, + ARRAY_SIZE(fixed2v8_power_consumers), 3300000); + regulator_register_fixed(3, dummy_supplies, ARRAY_SIZE(dummy_supplies)); + sh73a0_pinmux_init(); /* enable SCIFA2 */ @@ -562,8 +640,6 @@ static void __init ag5evm_init(void) gpio_request(GPIO_FN_SDHID1_2_PU, NULL); gpio_request(GPIO_FN_SDHID1_1_PU, NULL); gpio_request(GPIO_FN_SDHID1_0_PU, NULL); - gpio_request(GPIO_PORT114, "sdhi1_power"); - gpio_direction_output(GPIO_PORT114, 0); #ifdef CONFIG_CACHE_L2X0 /* Shared attribute override enable, 64K*8way */ diff --git a/arch/arm/mach-shmobile/board-ap4evb.c b/arch/arm/mach-shmobile/board-ap4evb.c index ace6024..f172ca8 100644 --- a/arch/arm/mach-shmobile/board-ap4evb.c +++ b/arch/arm/mach-shmobile/board-ap4evb.c @@ -34,6 +34,8 @@ #include <linux/i2c.h> #include <linux/i2c/tsc2007.h> #include <linux/io.h> +#include <linux/regulator/fixed.h> +#include <linux/regulator/machine.h> #include <linux/smsc911x.h> #include <linux/sh_intc.h> #include <linux/sh_clk.h> @@ -159,6 +161,27 @@ * CN12: 3.3v */ +/* Dummy supplies, where voltage doesn't matter */ +static struct regulator_consumer_supply fixed1v8_power_consumers[] = +{ + /* J22 default position: 1.8V */ + REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.1"), + REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.1"), + REGULATOR_SUPPLY("vmmc", "sh_mmcif.0"), + REGULATOR_SUPPLY("vqmmc", "sh_mmcif.0"), +}; + +static struct regulator_consumer_supply fixed3v3_power_consumers[] = +{ + REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"), + REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.0"), +}; + +static struct regulator_consumer_supply dummy_supplies[] = { + REGULATOR_SUPPLY("vddvario", "smsc911x"), + REGULATOR_SUPPLY("vdd33a", "smsc911x"), +}; + /* MTD */ static struct mtd_partition nor_flash_partitions[] = { { @@ -1138,21 +1161,6 @@ static void __init fsi_init_pm_clock(void) clk_put(fsia_ick); } -/* - * FIXME !! - * - * gpio_no_direction - * are quick_hack. - * - * current gpio frame work doesn't have - * the method to control only pull up/down/free. - * this function should be replaced by correct gpio function - */ -static void __init gpio_no_direction(u32 addr) -{ - __raw_writeb(0x00, addr); -} - /* TouchScreen */ #ifdef CONFIG_AP4EVB_QHD # define GPIO_TSC_IRQ GPIO_FN_IRQ28_123 @@ -1224,6 +1232,12 @@ static void __init ap4evb_init(void) u32 srcr4; struct clk *clk; + regulator_register_always_on(0, "fixed-1.8V", fixed1v8_power_consumers, + ARRAY_SIZE(fixed1v8_power_consumers), 1800000); + regulator_register_always_on(1, "fixed-3.3V", fixed3v3_power_consumers, + ARRAY_SIZE(fixed3v3_power_consumers), 3300000); + regulator_register_fixed(2, dummy_supplies, ARRAY_SIZE(dummy_supplies)); + /* External clock source */ clk_set_rate(&sh7372_dv_clki_clk, 27000000); @@ -1302,8 +1316,8 @@ static void __init ap4evb_init(void) gpio_request(GPIO_PORT9, NULL); gpio_request(GPIO_PORT10, NULL); - gpio_no_direction(GPIO_PORT9CR); /* FSIAOBT needs no direction */ - gpio_no_direction(GPIO_PORT10CR); /* FSIAOLR needs no direction */ + gpio_direction_none(GPIO_PORT9CR); /* FSIAOBT needs no direction */ + gpio_direction_none(GPIO_PORT10CR); /* FSIAOLR needs no direction */ /* card detect pin for MMC slot (CN7) */ gpio_request(GPIO_PORT41, NULL); @@ -1447,14 +1461,14 @@ static void __init ap4evb_init(void) platform_add_devices(ap4evb_devices, ARRAY_SIZE(ap4evb_devices)); - sh7372_add_device_to_domain(&sh7372_a4lc, &lcdc1_device); - sh7372_add_device_to_domain(&sh7372_a4lc, &lcdc_device); - sh7372_add_device_to_domain(&sh7372_a4mp, &fsi_device); + rmobile_add_device_to_domain(&sh7372_pd_a4lc, &lcdc1_device); + rmobile_add_device_to_domain(&sh7372_pd_a4lc, &lcdc_device); + rmobile_add_device_to_domain(&sh7372_pd_a4mp, &fsi_device); - sh7372_add_device_to_domain(&sh7372_a3sp, &sh_mmcif_device); - sh7372_add_device_to_domain(&sh7372_a3sp, &sdhi0_device); - sh7372_add_device_to_domain(&sh7372_a3sp, &sdhi1_device); - sh7372_add_device_to_domain(&sh7372_a4r, &ceu_device); + rmobile_add_device_to_domain(&sh7372_pd_a3sp, &sh_mmcif_device); + rmobile_add_device_to_domain(&sh7372_pd_a3sp, &sdhi0_device); + rmobile_add_device_to_domain(&sh7372_pd_a3sp, &sdhi1_device); + rmobile_add_device_to_domain(&sh7372_pd_a4r, &ceu_device); hdmi_init_pm_clock(); fsi_init_pm_clock(); diff --git a/arch/arm/mach-shmobile/board-armadillo800eva.c b/arch/arm/mach-shmobile/board-armadillo800eva.c index 9bd1355..cf10f92 100644 --- a/arch/arm/mach-shmobile/board-armadillo800eva.c +++ b/arch/arm/mach-shmobile/board-armadillo800eva.c @@ -28,6 +28,8 @@ #include <linux/platform_device.h> #include <linux/gpio.h> #include <linux/gpio_keys.h> +#include <linux/regulator/fixed.h> +#include <linux/regulator/machine.h> #include <linux/sh_eth.h> #include <linux/videodev2.h> #include <linux/usb/renesas_usbhs.h> @@ -37,14 +39,20 @@ #include <linux/mmc/sh_mobile_sdhi.h> #include <mach/common.h> #include <mach/irqs.h> +#include <mach/r8a7740.h> +#include <media/mt9t112.h> +#include <media/sh_mobile_ceu.h> +#include <media/soc_camera.h> #include <asm/page.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> #include <asm/mach/time.h> #include <asm/hardware/cache-l2x0.h> -#include <mach/r8a7740.h> #include <video/sh_mobile_lcdc.h> +#include <video/sh_mobile_hdmi.h> +#include <sound/sh_fsi.h> +#include <sound/simple_card.h> /* * CON1 Camera Module @@ -108,6 +116,14 @@ */ /* + * FSI-WM8978 + * + * this command is required when playback. + * + * # amixer set "Headphone" 50 + */ + +/* * USB function * * When you use USB Function, @@ -117,14 +133,8 @@ * These are a little bit complex. * see * usbhsf_power_ctrl() - * - * CAUTION - * - * It uses autonomy mode for USB hotplug at this point - * (= usbhs_private.platform_callback.get_vbus is NULL), - * since we don't know what's happen on PM control - * on this workaround. */ +#define IRQ7 evt2irq(0x02e0) #define USBCR1 0xe605810a #define USBH 0xC6700000 #define USBH_USBCTR 0x10834 @@ -204,6 +214,20 @@ static void usbhsf_power_ctrl(struct platform_device *pdev, } } +static int usbhsf_get_vbus(struct platform_device *pdev) +{ + return gpio_get_value(GPIO_PORT209); +} + +static irqreturn_t usbhsf_interrupt(int irq, void *data) +{ + struct platform_device *pdev = data; + + renesas_usbhs_call_notify_hotplug(pdev); + + return IRQ_HANDLED; +} + static void usbhsf_hardware_exit(struct platform_device *pdev) { struct usbhsf_private *priv = usbhsf_get_priv(pdev); @@ -227,11 +251,14 @@ static void usbhsf_hardware_exit(struct platform_device *pdev) priv->host = NULL; priv->func = NULL; priv->usbh_base = NULL; + + free_irq(IRQ7, pdev); } static int usbhsf_hardware_init(struct platform_device *pdev) { struct usbhsf_private *priv = usbhsf_get_priv(pdev); + int ret; priv->phy = clk_get(&pdev->dev, "phy"); priv->usb24 = clk_get(&pdev->dev, "usb24"); @@ -251,6 +278,14 @@ static int usbhsf_hardware_init(struct platform_device *pdev) return -EIO; } + ret = request_irq(IRQ7, usbhsf_interrupt, IRQF_TRIGGER_NONE, + dev_name(&pdev->dev), pdev); + if (ret) { + dev_err(&pdev->dev, "request_irq err\n"); + return ret; + } + irq_set_irq_type(IRQ7, IRQ_TYPE_EDGE_BOTH); + /* usb24 use 1/1 of parent clock (= usb24s = 24MHz) */ clk_set_rate(priv->usb24, clk_get_rate(clk_get_parent(priv->usb24))); @@ -262,6 +297,7 @@ static struct usbhsf_private usbhsf_private = { .info = { .platform_callback = { .get_id = usbhsf_get_id, + .get_vbus = usbhsf_get_vbus, .hardware_init = usbhsf_hardware_init, .hardware_exit = usbhsf_hardware_exit, .power_ctrl = usbhsf_power_ctrl, @@ -269,6 +305,8 @@ static struct usbhsf_private usbhsf_private = { .driver_param = { .buswait_bwait = 5, .detection_delay = 5, + .d0_rx_id = SHDMA_SLAVE_USBHS_RX, + .d1_tx_id = SHDMA_SLAVE_USBHS_TX, }, } }; @@ -384,6 +422,103 @@ static struct platform_device lcdc0_device = { }, }; +/* + * LCDC1/HDMI + */ +static struct sh_mobile_hdmi_info hdmi_info = { + .flags = HDMI_OUTPUT_PUSH_PULL | + HDMI_OUTPUT_POLARITY_HI | + HDMI_32BIT_REG | + HDMI_HAS_HTOP1 | + HDMI_SND_SRC_SPDIF, +}; + +static struct resource hdmi_resources[] = { + [0] = { + .name = "HDMI", + .start = 0xe6be0000, + .end = 0xe6be03ff, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = evt2irq(0x1700), + .flags = IORESOURCE_IRQ, + }, + [2] = { + .name = "HDMI emma3pf", + .start = 0xe6be4000, + .end = 0xe6be43ff, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device hdmi_device = { + .name = "sh-mobile-hdmi", + .num_resources = ARRAY_SIZE(hdmi_resources), + .resource = hdmi_resources, + .id = -1, + .dev = { + .platform_data = &hdmi_info, + }, +}; + +static const struct fb_videomode lcdc1_mode = { + .name = "HDMI 720p", + .xres = 1280, + .yres = 720, + .pixclock = 13468, + .left_margin = 220, + .right_margin = 110, + .hsync_len = 40, + .upper_margin = 20, + .lower_margin = 5, + .vsync_len = 5, + .refresh = 60, + .sync = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_HOR_HIGH_ACT, +}; + +static struct sh_mobile_lcdc_info hdmi_lcdc_info = { + .clock_source = LCDC_CLK_PERIPHERAL, /* HDMI clock */ + .ch[0] = { + .chan = LCDC_CHAN_MAINLCD, + .fourcc = V4L2_PIX_FMT_RGB565, + .interface_type = RGB24, + .clock_divider = 1, + .flags = LCDC_FLAGS_DWPOL, + .lcd_modes = &lcdc1_mode, + .num_modes = 1, + .tx_dev = &hdmi_device, + .panel_cfg = { + .width = 1280, + .height = 720, + }, + }, +}; + +static struct resource hdmi_lcdc_resources[] = { + [0] = { + .name = "LCDC1", + .start = 0xfe944000, + .end = 0xfe948000 - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = intcs_evt2irq(0x1780), + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device hdmi_lcdc_device = { + .name = "sh_mobile_lcdc_fb", + .num_resources = ARRAY_SIZE(hdmi_lcdc_resources), + .resource = hdmi_lcdc_resources, + .id = 1, + .dev = { + .platform_data = &hdmi_lcdc_info, + .coherent_dma_mask = ~0, + }, +}; + /* GPIO KEY */ #define GPIO_KEY(c, g, d) { .code = c, .gpio = g, .desc = d, .active_low = 1 } @@ -407,6 +542,17 @@ static struct platform_device gpio_keys_device = { }, }; +/* Fixed 3.3V regulator to be used by SDHI0, SDHI1, MMCIF */ +static struct regulator_consumer_supply fixed3v3_power_consumers[] = +{ + REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"), + REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.0"), + REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.1"), + REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.1"), + REGULATOR_SUPPLY("vmmc", "sh_mmcif"), + REGULATOR_SUPPLY("vqmmc", "sh_mmcif"), +}; + /* SDHI0 */ /* * FIXME @@ -418,6 +564,8 @@ static struct platform_device gpio_keys_device = { */ #define IRQ31 evt2irq(0x33E0) static struct sh_mobile_sdhi_info sdhi0_info = { + .dma_slave_tx = SHDMA_SLAVE_SDHI0_TX, + .dma_slave_rx = SHDMA_SLAVE_SDHI0_RX, .tmio_caps = MMC_CAP_SD_HIGHSPEED | MMC_CAP_SDIO_IRQ |\ MMC_CAP_NEEDS_POLL, .tmio_ocr_mask = MMC_VDD_165_195 | MMC_VDD_32_33 | MMC_VDD_33_34, @@ -458,6 +606,8 @@ static struct platform_device sdhi0_device = { /* SDHI1 */ static struct sh_mobile_sdhi_info sdhi1_info = { + .dma_slave_tx = SHDMA_SLAVE_SDHI1_TX, + .dma_slave_rx = SHDMA_SLAVE_SDHI1_RX, .tmio_caps = MMC_CAP_SD_HIGHSPEED | MMC_CAP_SDIO_IRQ, .tmio_ocr_mask = MMC_VDD_165_195 | MMC_VDD_32_33 | MMC_VDD_33_34, .tmio_flags = TMIO_MMC_HAS_IDLE_WAIT, @@ -532,12 +682,209 @@ static struct platform_device sh_mmcif_device = { .resource = sh_mmcif_resources, }; +/* Camera */ +static int mt9t111_power(struct device *dev, int mode) +{ + struct clk *mclk = clk_get(NULL, "video1"); + + if (IS_ERR(mclk)) { + dev_err(dev, "can't get video1 clock\n"); + return -EINVAL; + } + + if (mode) { + /* video1 (= CON1 camera) expect 24MHz */ + clk_set_rate(mclk, clk_round_rate(mclk, 24000000)); + clk_enable(mclk); + gpio_direction_output(GPIO_PORT158, 1); + } else { + gpio_direction_output(GPIO_PORT158, 0); + clk_disable(mclk); + } + + clk_put(mclk); + + return 0; +} + +static struct i2c_board_info i2c_camera_mt9t111 = { + I2C_BOARD_INFO("mt9t112", 0x3d), +}; + +static struct mt9t112_camera_info mt9t111_info = { + .divider = { 16, 0, 0, 7, 0, 10, 14, 7, 7 }, +}; + +static struct soc_camera_link mt9t111_link = { + .i2c_adapter_id = 0, + .bus_id = 0, + .board_info = &i2c_camera_mt9t111, + .power = mt9t111_power, + .priv = &mt9t111_info, +}; + +static struct platform_device camera_device = { + .name = "soc-camera-pdrv", + .id = 0, + .dev = { + .platform_data = &mt9t111_link, + }, +}; + +/* CEU0 */ +static struct sh_mobile_ceu_info sh_mobile_ceu0_info = { + .flags = SH_CEU_FLAG_LOWER_8BIT, +}; + +static struct resource ceu0_resources[] = { + [0] = { + .name = "CEU", + .start = 0xfe910000, + .end = 0xfe91009f, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = intcs_evt2irq(0x0500), + .flags = IORESOURCE_IRQ, + }, + [2] = { + /* place holder for contiguous memory */ + }, +}; + +static struct platform_device ceu0_device = { + .name = "sh_mobile_ceu", + .id = 0, + .num_resources = ARRAY_SIZE(ceu0_resources), + .resource = ceu0_resources, + .dev = { + .platform_data = &sh_mobile_ceu0_info, + .coherent_dma_mask = 0xffffffff, + }, +}; + +/* FSI */ +static int fsi_hdmi_set_rate(struct device *dev, int rate, int enable) +{ + struct clk *fsib; + int ret; + + /* it support 48KHz only */ + if (48000 != rate) + return -EINVAL; + + fsib = clk_get(dev, "ickb"); + if (IS_ERR(fsib)) + return -EINVAL; + + if (enable) { + ret = SH_FSI_ACKMD_256 | SH_FSI_BPFMD_64; + clk_enable(fsib); + } else { + ret = 0; + clk_disable(fsib); + } + + clk_put(fsib); + + return ret; +} + +static struct sh_fsi_platform_info fsi_info = { + /* FSI-WM8978 */ + .port_a = { + .tx_id = SHDMA_SLAVE_FSIA_TX, + }, + /* FSI-HDMI */ + .port_b = { + .flags = SH_FSI_FMT_SPDIF | + SH_FSI_ENABLE_STREAM_MODE, + .set_rate = fsi_hdmi_set_rate, + .tx_id = SHDMA_SLAVE_FSIB_TX, + } +}; + +static struct resource fsi_resources[] = { + [0] = { + .name = "FSI", + .start = 0xfe1f0000, + .end = 0xfe1f8400 - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = evt2irq(0x1840), + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device fsi_device = { + .name = "sh_fsi2", + .id = -1, + .num_resources = ARRAY_SIZE(fsi_resources), + .resource = fsi_resources, + .dev = { + .platform_data = &fsi_info, + }, +}; + +/* FSI-WM8978 */ +static struct asoc_simple_dai_init_info fsi_wm8978_init_info = { + .fmt = SND_SOC_DAIFMT_I2S, + .codec_daifmt = SND_SOC_DAIFMT_CBM_CFM | SND_SOC_DAIFMT_NB_NF, + .cpu_daifmt = SND_SOC_DAIFMT_CBS_CFS, + .sysclk = 12288000, +}; + +static struct asoc_simple_card_info fsi_wm8978_info = { + .name = "wm8978", + .card = "FSI2A-WM8978", + .cpu_dai = "fsia-dai", + .codec = "wm8978.0-001a", + .platform = "sh_fsi2", + .codec_dai = "wm8978-hifi", + .init = &fsi_wm8978_init_info, +}; + +static struct platform_device fsi_wm8978_device = { + .name = "asoc-simple-card", + .id = 0, + .dev = { + .platform_data = &fsi_wm8978_info, + }, +}; + +/* FSI-HDMI */ +static struct asoc_simple_dai_init_info fsi2_hdmi_init_info = { + .cpu_daifmt = SND_SOC_DAIFMT_CBM_CFM, +}; + +static struct asoc_simple_card_info fsi2_hdmi_info = { + .name = "HDMI", + .card = "FSI2B-HDMI", + .cpu_dai = "fsib-dai", + .codec = "sh-mobile-hdmi", + .platform = "sh_fsi2", + .codec_dai = "sh_mobile_hdmi-hifi", + .init = &fsi2_hdmi_init_info, +}; + +static struct platform_device fsi_hdmi_device = { + .name = "asoc-simple-card", + .id = 1, + .dev = { + .platform_data = &fsi2_hdmi_info, + }, +}; + /* I2C */ static struct i2c_board_info i2c0_devices[] = { { I2C_BOARD_INFO("st1232-ts", 0x55), .irq = evt2irq(0x0340), }, + { + I2C_BOARD_INFO("wm8978", 0x1a), + }, }; /* @@ -549,6 +896,13 @@ static struct platform_device *eva_devices[] __initdata = { &sh_eth_device, &sdhi0_device, &sh_mmcif_device, + &hdmi_device, + &hdmi_lcdc_device, + &camera_device, + &ceu0_device, + &fsi_device, + &fsi_hdmi_device, + &fsi_wm8978_device, }; static void __init eva_clock_init(void) @@ -556,10 +910,14 @@ static void __init eva_clock_init(void) struct clk *system = clk_get(NULL, "system_clk"); struct clk *xtal1 = clk_get(NULL, "extal1"); struct clk *usb24s = clk_get(NULL, "usb24s"); + struct clk *fsibck = clk_get(NULL, "fsibck"); + struct clk *fsib = clk_get(&fsi_device.dev, "ickb"); if (IS_ERR(system) || IS_ERR(xtal1) || - IS_ERR(usb24s)) { + IS_ERR(usb24s) || + IS_ERR(fsibck) || + IS_ERR(fsib)) { pr_err("armadillo800eva board clock init failed\n"); goto clock_error; } @@ -570,6 +928,11 @@ static void __init eva_clock_init(void) /* usb24s use extal1 (= system) clock (= 24MHz) */ clk_set_parent(usb24s, system); + /* FSIBCK is 12.288MHz, and it is parent of FSI-B */ + clk_set_parent(fsib, fsibck); + clk_set_rate(fsibck, 12288000); + clk_set_rate(fsib, 12288000); + clock_error: if (!IS_ERR(system)) clk_put(system); @@ -577,16 +940,26 @@ clock_error: clk_put(xtal1); if (!IS_ERR(usb24s)) clk_put(usb24s); + if (!IS_ERR(fsibck)) + clk_put(fsibck); + if (!IS_ERR(fsib)) + clk_put(fsib); } /* * board init */ +#define GPIO_PORT7CR 0xe6050007 +#define GPIO_PORT8CR 0xe6050008 static void __init eva_init(void) { - eva_clock_init(); + struct platform_device *usb = NULL; + + regulator_register_always_on(0, "fixed-3.3V", fixed3v3_power_consumers, + ARRAY_SIZE(fixed3v3_power_consumers), 3300000); r8a7740_pinmux_init(); + r8a7740_meram_workaround(); /* SCIFA1 */ gpio_request(GPIO_FN_SCIFA1_RXD, NULL); @@ -667,8 +1040,19 @@ static void __init eva_init(void) /* USB Host */ } else { /* USB Func */ - gpio_request(GPIO_FN_VBUS, NULL); + /* + * A1 chip has 2 IRQ7 pin and it was controled by MSEL register. + * OTOH, usbhs interrupt needs its value (HI/LOW) to decide + * USB connection/disconnection (usbhsf_get_vbus()). + * This means we needs to select GPIO_FN_IRQ7_PORT209 first, + * and select GPIO_PORT209 here + */ + gpio_request(GPIO_FN_IRQ7_PORT209, NULL); + gpio_request(GPIO_PORT209, NULL); + gpio_direction_input(GPIO_PORT209); + platform_device_register(&usbhsf_device); + usb = &usbhsf_device; } /* SDHI0 */ @@ -706,6 +1090,48 @@ static void __init eva_init(void) gpio_request(GPIO_FN_MMC1_D6_PORT143, NULL); gpio_request(GPIO_FN_MMC1_D7_PORT142, NULL); + /* CEU0 */ + gpio_request(GPIO_FN_VIO0_D7, NULL); + gpio_request(GPIO_FN_VIO0_D6, NULL); + gpio_request(GPIO_FN_VIO0_D5, NULL); + gpio_request(GPIO_FN_VIO0_D4, NULL); + gpio_request(GPIO_FN_VIO0_D3, NULL); + gpio_request(GPIO_FN_VIO0_D2, NULL); + gpio_request(GPIO_FN_VIO0_D1, NULL); + gpio_request(GPIO_FN_VIO0_D0, NULL); + gpio_request(GPIO_FN_VIO0_CLK, NULL); + gpio_request(GPIO_FN_VIO0_HD, NULL); + gpio_request(GPIO_FN_VIO0_VD, NULL); + gpio_request(GPIO_FN_VIO0_FIELD, NULL); + gpio_request(GPIO_FN_VIO_CKO, NULL); + + /* CON1/CON15 Camera */ + gpio_request(GPIO_PORT173, NULL); /* STANDBY */ + gpio_request(GPIO_PORT172, NULL); /* RST */ + gpio_request(GPIO_PORT158, NULL); /* CAM_PON */ + gpio_direction_output(GPIO_PORT173, 0); + gpio_direction_output(GPIO_PORT172, 1); + gpio_direction_output(GPIO_PORT158, 0); /* see mt9t111_power() */ + + /* FSI-WM8978 */ + gpio_request(GPIO_FN_FSIAIBT, NULL); + gpio_request(GPIO_FN_FSIAILR, NULL); + gpio_request(GPIO_FN_FSIAOMC, NULL); + gpio_request(GPIO_FN_FSIAOSLD, NULL); + gpio_request(GPIO_FN_FSIAISLD_PORT5, NULL); + + gpio_request(GPIO_PORT7, NULL); + gpio_request(GPIO_PORT8, NULL); + gpio_direction_none(GPIO_PORT7CR); /* FSIAOBT needs no direction */ + gpio_direction_none(GPIO_PORT8CR); /* FSIAOLR needs no direction */ + + /* FSI-HDMI */ + gpio_request(GPIO_FN_FSIBCK, NULL); + + /* HDMI */ + gpio_request(GPIO_FN_HDMI_HPD, NULL); + gpio_request(GPIO_FN_HDMI_CEC, NULL); + /* * CAUTION * @@ -752,6 +1178,13 @@ static void __init eva_init(void) platform_add_devices(eva_devices, ARRAY_SIZE(eva_devices)); + + eva_clock_init(); + + rmobile_add_device_to_domain(&r8a7740_pd_a4lc, &lcdc0_device); + rmobile_add_device_to_domain(&r8a7740_pd_a4lc, &hdmi_lcdc_device); + if (usb) + rmobile_add_device_to_domain(&r8a7740_pd_a3sp, usb); } static void __init eva_earlytimer_init(void) diff --git a/arch/arm/mach-shmobile/board-bonito.c b/arch/arm/mach-shmobile/board-bonito.c index e9b32cf..4129008 100644 --- a/arch/arm/mach-shmobile/board-bonito.c +++ b/arch/arm/mach-shmobile/board-bonito.c @@ -26,6 +26,8 @@ #include <linux/irq.h> #include <linux/platform_device.h> #include <linux/gpio.h> +#include <linux/regulator/fixed.h> +#include <linux/regulator/machine.h> #include <linux/smsc911x.h> #include <linux/videodev2.h> #include <mach/common.h> @@ -75,6 +77,12 @@ * S38.2 = OFF */ +/* Dummy supplies, where voltage doesn't matter */ +static struct regulator_consumer_supply dummy_supplies[] = { + REGULATOR_SUPPLY("vddvario", "smsc911x"), + REGULATOR_SUPPLY("vdd33a", "smsc911x"), +}; + /* * FPGA */ @@ -360,6 +368,8 @@ static void __init bonito_init(void) { u16 val; + regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies)); + r8a7740_pinmux_init(); bonito_fpga_init(); diff --git a/arch/arm/mach-shmobile/board-g4evm.c b/arch/arm/mach-shmobile/board-g4evm.c index f125732..fa5dfc5 100644 --- a/arch/arm/mach-shmobile/board-g4evm.c +++ b/arch/arm/mach-shmobile/board-g4evm.c @@ -26,6 +26,8 @@ #include <linux/mtd/mtd.h> #include <linux/mtd/partitions.h> #include <linux/mtd/physmap.h> +#include <linux/regulator/fixed.h> +#include <linux/regulator/machine.h> #include <linux/usb/r8a66597.h> #include <linux/io.h> #include <linux/input.h> @@ -196,6 +198,15 @@ static struct platform_device keysc_device = { }, }; +/* Fixed 3.3V regulator to be used by SDHI0 and SDHI1 */ +static struct regulator_consumer_supply fixed3v3_power_consumers[] = +{ + REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"), + REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.0"), + REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.1"), + REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.1"), +}; + /* SDHI */ static struct sh_mobile_sdhi_info sdhi0_info = { .tmio_caps = MMC_CAP_SDIO_IRQ, @@ -271,26 +282,11 @@ static struct platform_device *g4evm_devices[] __initdata = { #define GPIO_SDHID1_D3 0xe6052106 #define GPIO_SDHICMD1 0xe6052107 -/* - * FIXME !! - * - * gpio_pull_up is quick_hack. - * - * current gpio frame work doesn't have - * the method to control only pull up/down/free. - * this function should be replaced by correct gpio function - */ -static void __init gpio_pull_up(u32 addr) -{ - u8 data = __raw_readb(addr); - - data &= 0x0F; - data |= 0xC0; - __raw_writeb(data, addr); -} - static void __init g4evm_init(void) { + regulator_register_always_on(0, "fixed-3.3V", fixed3v3_power_consumers, + ARRAY_SIZE(fixed3v3_power_consumers), 3300000); + sh7377_pinmux_init(); /* Lit DS14 LED */ @@ -351,11 +347,11 @@ static void __init g4evm_init(void) gpio_request(GPIO_FN_SDHID0_3, NULL); gpio_request(GPIO_FN_SDHICMD0, NULL); gpio_request(GPIO_FN_SDHIWP0, NULL); - gpio_pull_up(GPIO_SDHID0_D0); - gpio_pull_up(GPIO_SDHID0_D1); - gpio_pull_up(GPIO_SDHID0_D2); - gpio_pull_up(GPIO_SDHID0_D3); - gpio_pull_up(GPIO_SDHICMD0); + gpio_request_pullup(GPIO_SDHID0_D0); + gpio_request_pullup(GPIO_SDHID0_D1); + gpio_request_pullup(GPIO_SDHID0_D2); + gpio_request_pullup(GPIO_SDHID0_D3); + gpio_request_pullup(GPIO_SDHICMD0); /* SDHI1 */ gpio_request(GPIO_FN_SDHICLK1, NULL); @@ -364,11 +360,11 @@ static void __init g4evm_init(void) gpio_request(GPIO_FN_SDHID1_2, NULL); gpio_request(GPIO_FN_SDHID1_3, NULL); gpio_request(GPIO_FN_SDHICMD1, NULL); - gpio_pull_up(GPIO_SDHID1_D0); - gpio_pull_up(GPIO_SDHID1_D1); - gpio_pull_up(GPIO_SDHID1_D2); - gpio_pull_up(GPIO_SDHID1_D3); - gpio_pull_up(GPIO_SDHICMD1); + gpio_request_pullup(GPIO_SDHID1_D0); + gpio_request_pullup(GPIO_SDHID1_D1); + gpio_request_pullup(GPIO_SDHID1_D2); + gpio_request_pullup(GPIO_SDHID1_D3); + gpio_request_pullup(GPIO_SDHICMD1); sh7377_add_standard_devices(); diff --git a/arch/arm/mach-shmobile/board-kota2.c b/arch/arm/mach-shmobile/board-kota2.c index f60f1b2..21dbe54 100644 --- a/arch/arm/mach-shmobile/board-kota2.c +++ b/arch/arm/mach-shmobile/board-kota2.c @@ -27,6 +27,8 @@ #include <linux/platform_device.h> #include <linux/delay.h> #include <linux/io.h> +#include <linux/regulator/fixed.h> +#include <linux/regulator/machine.h> #include <linux/smsc911x.h> #include <linux/gpio.h> #include <linux/input.h> @@ -49,6 +51,12 @@ #include <asm/hardware/cache-l2x0.h> #include <asm/traps.h> +/* Dummy supplies, where voltage doesn't matter */ +static struct regulator_consumer_supply dummy_supplies[] = { + REGULATOR_SUPPLY("vddvario", "smsc911x"), + REGULATOR_SUPPLY("vdd33a", "smsc911x"), +}; + /* SMSC 9220 */ static struct resource smsc9220_resources[] = { [0] = { @@ -288,6 +296,13 @@ static struct platform_device leds_tpu30_device = { .resource = tpu30_resources, }; +/* Fixed 1.8V regulator to be used by MMCIF */ +static struct regulator_consumer_supply fixed1v8_power_consumers[] = +{ + REGULATOR_SUPPLY("vmmc", "sh_mmcif.0"), + REGULATOR_SUPPLY("vqmmc", "sh_mmcif.0"), +}; + /* MMCIF */ static struct resource mmcif_resources[] = { [0] = { @@ -321,6 +336,15 @@ static struct platform_device mmcif_device = { .resource = mmcif_resources, }; +/* Fixed 3.3V regulator to be used by SDHI0 and SDHI1 */ +static struct regulator_consumer_supply fixed3v3_power_consumers[] = +{ + REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"), + REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.0"), + REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.1"), + REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.1"), +}; + /* SDHI0 */ static struct sh_mobile_sdhi_info sdhi0_info = { .tmio_caps = MMC_CAP_SD_HIGHSPEED, @@ -411,6 +435,12 @@ static struct platform_device *kota2_devices[] __initdata = { static void __init kota2_init(void) { + regulator_register_always_on(0, "fixed-1.8V", fixed1v8_power_consumers, + ARRAY_SIZE(fixed1v8_power_consumers), 1800000); + regulator_register_always_on(1, "fixed-3.3V", fixed3v3_power_consumers, + ARRAY_SIZE(fixed3v3_power_consumers), 3300000); + regulator_register_fixed(2, dummy_supplies, ARRAY_SIZE(dummy_supplies)); + sh73a0_pinmux_init(); /* SCIFA2 (UART2) */ diff --git a/arch/arm/mach-shmobile/board-kzm9d.c b/arch/arm/mach-shmobile/board-kzm9d.c index 6a33cf3..2c986ea 100644 --- a/arch/arm/mach-shmobile/board-kzm9d.c +++ b/arch/arm/mach-shmobile/board-kzm9d.c @@ -21,6 +21,8 @@ #include <linux/kernel.h> #include <linux/interrupt.h> #include <linux/platform_device.h> +#include <linux/regulator/fixed.h> +#include <linux/regulator/machine.h> #include <linux/smsc911x.h> #include <mach/common.h> #include <mach/emev2.h> @@ -28,6 +30,12 @@ #include <asm/mach/arch.h> #include <asm/hardware/gic.h> +/* Dummy supplies, where voltage doesn't matter */ +static struct regulator_consumer_supply dummy_supplies[] = { + REGULATOR_SUPPLY("vddvario", "smsc911x"), + REGULATOR_SUPPLY("vdd33a", "smsc911x"), +}; + /* Ether */ static struct resource smsc911x_resources[] = { [0] = { @@ -63,6 +71,8 @@ static struct platform_device *kzm9d_devices[] __initdata = { void __init kzm9d_add_standard_devices(void) { + regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies)); + emev2_add_standard_devices(); platform_add_devices(kzm9d_devices, ARRAY_SIZE(kzm9d_devices)); diff --git a/arch/arm/mach-shmobile/board-kzm9g.c b/arch/arm/mach-shmobile/board-kzm9g.c index c0ae815..53b7ea9 100644 --- a/arch/arm/mach-shmobile/board-kzm9g.c +++ b/arch/arm/mach-shmobile/board-kzm9g.c @@ -30,9 +30,14 @@ #include <linux/mmc/sh_mobile_sdhi.h> #include <linux/mfd/tmio.h> #include <linux/platform_device.h> +#include <linux/regulator/fixed.h> +#include <linux/regulator/machine.h> #include <linux/smsc911x.h> #include <linux/usb/r8a66597.h> +#include <linux/usb/renesas_usbhs.h> #include <linux/videodev2.h> +#include <sound/sh_fsi.h> +#include <sound/simple_card.h> #include <mach/irqs.h> #include <mach/sh73a0.h> #include <mach/common.h> @@ -54,6 +59,20 @@ #define GPIO_PCF8575_PORT15 (GPIO_NR + 13) #define GPIO_PCF8575_PORT16 (GPIO_NR + 14) +/* Dummy supplies, where voltage doesn't matter */ +static struct regulator_consumer_supply dummy_supplies[] = { + REGULATOR_SUPPLY("vddvario", "smsc911x"), + REGULATOR_SUPPLY("vdd33a", "smsc911x"), +}; + +/* + * FSI-AK4648 + * + * this command is required when playback. + * + * # amixer set "LINEOUT Mixer DACL" on + */ + /* SMSC 9221 */ static struct resource smsc9221_resources[] = { [0] = { @@ -112,6 +131,151 @@ static struct platform_device usb_host_device = { .resource = usb_resources, }; +/* USB Func CN17 */ +struct usbhs_private { + unsigned int phy; + unsigned int cr2; + struct renesas_usbhs_platform_info info; +}; + +#define IRQ15 intcs_evt2irq(0x03e0) +#define USB_PHY_MODE (1 << 4) +#define USB_PHY_INT_EN ((1 << 3) | (1 << 2)) +#define USB_PHY_ON (1 << 1) +#define USB_PHY_OFF (1 << 0) +#define USB_PHY_INT_CLR (USB_PHY_ON | USB_PHY_OFF) + +#define usbhs_get_priv(pdev) \ + container_of(renesas_usbhs_get_info(pdev), struct usbhs_private, info) + +static int usbhs_get_vbus(struct platform_device *pdev) +{ + struct usbhs_private *priv = usbhs_get_priv(pdev); + + return !((1 << 7) & __raw_readw(priv->cr2)); +} + +static void usbhs_phy_reset(struct platform_device *pdev) +{ + struct usbhs_private *priv = usbhs_get_priv(pdev); + + /* init phy */ + __raw_writew(0x8a0a, priv->cr2); +} + +static int usbhs_get_id(struct platform_device *pdev) +{ + return USBHS_GADGET; +} + +static irqreturn_t usbhs_interrupt(int irq, void *data) +{ + struct platform_device *pdev = data; + struct usbhs_private *priv = usbhs_get_priv(pdev); + + renesas_usbhs_call_notify_hotplug(pdev); + + /* clear status */ + __raw_writew(__raw_readw(priv->phy) | USB_PHY_INT_CLR, priv->phy); + + return IRQ_HANDLED; +} + +static int usbhs_hardware_init(struct platform_device *pdev) +{ + struct usbhs_private *priv = usbhs_get_priv(pdev); + int ret; + + /* clear interrupt status */ + __raw_writew(USB_PHY_MODE | USB_PHY_INT_CLR, priv->phy); + + ret = request_irq(IRQ15, usbhs_interrupt, IRQF_TRIGGER_HIGH, + dev_name(&pdev->dev), pdev); + if (ret) { + dev_err(&pdev->dev, "request_irq err\n"); + return ret; + } + + /* enable USB phy interrupt */ + __raw_writew(USB_PHY_MODE | USB_PHY_INT_EN, priv->phy); + + return 0; +} + +static void usbhs_hardware_exit(struct platform_device *pdev) +{ + struct usbhs_private *priv = usbhs_get_priv(pdev); + + /* clear interrupt status */ + __raw_writew(USB_PHY_MODE | USB_PHY_INT_CLR, priv->phy); + + free_irq(IRQ15, pdev); +} + +static u32 usbhs_pipe_cfg[] = { + USB_ENDPOINT_XFER_CONTROL, + USB_ENDPOINT_XFER_ISOC, + USB_ENDPOINT_XFER_ISOC, + USB_ENDPOINT_XFER_BULK, + USB_ENDPOINT_XFER_BULK, + USB_ENDPOINT_XFER_BULK, + USB_ENDPOINT_XFER_INT, + USB_ENDPOINT_XFER_INT, + USB_ENDPOINT_XFER_INT, + USB_ENDPOINT_XFER_BULK, + USB_ENDPOINT_XFER_BULK, + USB_ENDPOINT_XFER_BULK, + USB_ENDPOINT_XFER_BULK, + USB_ENDPOINT_XFER_BULK, + USB_ENDPOINT_XFER_BULK, + USB_ENDPOINT_XFER_BULK, +}; + +static struct usbhs_private usbhs_private = { + .phy = 0xe60781e0, /* USBPHYINT */ + .cr2 = 0xe605810c, /* USBCR2 */ + .info = { + .platform_callback = { + .hardware_init = usbhs_hardware_init, + .hardware_exit = usbhs_hardware_exit, + .get_id = usbhs_get_id, + .phy_reset = usbhs_phy_reset, + .get_vbus = usbhs_get_vbus, + }, + .driver_param = { + .buswait_bwait = 4, + .has_otg = 1, + .pipe_type = usbhs_pipe_cfg, + .pipe_size = ARRAY_SIZE(usbhs_pipe_cfg), + }, + }, +}; + +static struct resource usbhs_resources[] = { + [0] = { + .start = 0xE6890000, + .end = 0xE68900e6 - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = gic_spi(62), + .end = gic_spi(62), + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device usbhs_device = { + .name = "renesas_usbhs", + .id = -1, + .dev = { + .dma_mask = NULL, + .coherent_dma_mask = 0xffffffff, + .platform_data = &usbhs_private.info, + }, + .num_resources = ARRAY_SIZE(usbhs_resources), + .resource = usbhs_resources, +}; + /* LCDC */ static struct fb_videomode kzm_lcdc_mode = { .name = "WVGA Panel", @@ -166,6 +330,13 @@ static struct platform_device lcdc_device = { }, }; +/* Fixed 1.8V regulator to be used by MMCIF */ +static struct regulator_consumer_supply fixed1v8_power_consumers[] = +{ + REGULATOR_SUPPLY("vmmc", "sh_mmcif.0"), + REGULATOR_SUPPLY("vqmmc", "sh_mmcif.0"), +}; + /* MMCIF */ static struct resource sh_mmcif_resources[] = { [0] = { @@ -187,6 +358,8 @@ static struct resource sh_mmcif_resources[] = { static struct sh_mmcif_plat_data sh_mmcif_platdata = { .ocr = MMC_VDD_165_195, .caps = MMC_CAP_8_BIT_DATA | MMC_CAP_NONREMOVABLE, + .slave_id_tx = SHDMA_SLAVE_MMCIF_TX, + .slave_id_rx = SHDMA_SLAVE_MMCIF_RX, }; static struct platform_device mmc_device = { @@ -200,6 +373,15 @@ static struct platform_device mmc_device = { .resource = sh_mmcif_resources, }; +/* Fixed 2.8V regulators to be used by SDHI0 and SDHI2 */ +static struct regulator_consumer_supply fixed2v8_power_consumers[] = +{ + REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"), + REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.0"), + REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.2"), + REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.2"), +}; + /* SDHI */ static struct sh_mobile_sdhi_info sdhi0_info = { .tmio_flags = TMIO_MMC_HAS_IDLE_WAIT, @@ -240,6 +422,50 @@ static struct platform_device sdhi0_device = { }, }; +/* Micro SD */ +static struct sh_mobile_sdhi_info sdhi2_info = { + .tmio_flags = TMIO_MMC_HAS_IDLE_WAIT | + TMIO_MMC_USE_GPIO_CD | + TMIO_MMC_WRPROTECT_DISABLE, + .tmio_caps = MMC_CAP_SD_HIGHSPEED, + .tmio_ocr_mask = MMC_VDD_27_28 | MMC_VDD_28_29, + .cd_gpio = GPIO_PORT13, +}; + +static struct resource sdhi2_resources[] = { + [0] = { + .name = "SDHI2", + .start = 0xee140000, + .end = 0xee1400ff, + .flags = IORESOURCE_MEM, + }, + [1] = { + .name = SH_MOBILE_SDHI_IRQ_CARD_DETECT, + .start = gic_spi(103), + .flags = IORESOURCE_IRQ, + }, + [2] = { + .name = SH_MOBILE_SDHI_IRQ_SDCARD, + .start = gic_spi(104), + .flags = IORESOURCE_IRQ, + }, + [3] = { + .name = SH_MOBILE_SDHI_IRQ_SDIO, + .start = gic_spi(105), + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device sdhi2_device = { + .name = "sh_mobile_sdhi", + .id = 2, + .num_resources = ARRAY_SIZE(sdhi2_resources), + .resource = sdhi2_resources, + .dev = { + .platform_data = &sdhi2_info, + }, +}; + /* KEY */ #define GPIO_KEY(c, g, d) { .code = c, .gpio = g, .desc = d, .active_low = 1 } @@ -267,11 +493,74 @@ static struct platform_device gpio_keys_device = { }, }; +/* FSI-AK4648 */ +static struct sh_fsi_platform_info fsi_info = { + .port_a = { + .tx_id = SHDMA_SLAVE_FSI2A_TX, + }, +}; + +static struct resource fsi_resources[] = { + [0] = { + .name = "FSI", + .start = 0xEC230000, + .end = 0xEC230400 - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = gic_spi(146), + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device fsi_device = { + .name = "sh_fsi2", + .id = -1, + .num_resources = ARRAY_SIZE(fsi_resources), + .resource = fsi_resources, + .dev = { + .platform_data = &fsi_info, + }, +}; + +static struct asoc_simple_dai_init_info fsi2_ak4648_init_info = { + .fmt = SND_SOC_DAIFMT_LEFT_J, + .codec_daifmt = SND_SOC_DAIFMT_CBM_CFM, + .cpu_daifmt = SND_SOC_DAIFMT_CBS_CFS, + .sysclk = 11289600, +}; + +static struct asoc_simple_card_info fsi2_ak4648_info = { + .name = "AK4648", + .card = "FSI2A-AK4648", + .cpu_dai = "fsia-dai", + .codec = "ak4642-codec.0-0012", + .platform = "sh_fsi2", + .codec_dai = "ak4642-hifi", + .init = &fsi2_ak4648_init_info, +}; + +static struct platform_device fsi_ak4648_device = { + .name = "asoc-simple-card", + .dev = { + .platform_data = &fsi2_ak4648_info, + }, +}; + /* I2C */ static struct pcf857x_platform_data pcf8575_pdata = { .gpio_base = GPIO_PCF8575_BASE, }; +static struct i2c_board_info i2c0_devices[] = { + { + I2C_BOARD_INFO("ak4648", 0x12), + }, + { + I2C_BOARD_INFO("r2025sd", 0x32), + } +}; + static struct i2c_board_info i2c1_devices[] = { { I2C_BOARD_INFO("st1232-ts", 0x55), @@ -289,10 +578,14 @@ static struct i2c_board_info i2c3_devices[] = { static struct platform_device *kzm_devices[] __initdata = { &smsc_device, &usb_host_device, + &usbhs_device, &lcdc_device, &mmc_device, &sdhi0_device, + &sdhi2_device, &gpio_keys_device, + &fsi_device, + &fsi_ak4648_device, }; /* @@ -350,6 +643,12 @@ device_initcall(as3711_enable_lcdc_backlight); static void __init kzm_init(void) { + regulator_register_always_on(0, "fixed-1.8V", fixed1v8_power_consumers, + ARRAY_SIZE(fixed1v8_power_consumers), 1800000); + regulator_register_always_on(1, "fixed-2.8V", fixed2v8_power_consumers, + ARRAY_SIZE(fixed2v8_power_consumers), 2800000); + regulator_register_fixed(2, dummy_supplies, ARRAY_SIZE(dummy_supplies)); + sh73a0_pinmux_init(); /* enable SCIFA4 */ @@ -427,15 +726,36 @@ static void __init kzm_init(void) gpio_request(GPIO_PORT15, NULL); gpio_direction_output(GPIO_PORT15, 1); /* power */ + /* enable Micro SD */ + gpio_request(GPIO_FN_SDHID2_0, NULL); + gpio_request(GPIO_FN_SDHID2_1, NULL); + gpio_request(GPIO_FN_SDHID2_2, NULL); + gpio_request(GPIO_FN_SDHID2_3, NULL); + gpio_request(GPIO_FN_SDHICMD2, NULL); + gpio_request(GPIO_FN_SDHICLK2, NULL); + gpio_request(GPIO_PORT14, NULL); + gpio_direction_output(GPIO_PORT14, 1); /* power */ + /* I2C 3 */ gpio_request(GPIO_FN_PORT27_I2C_SCL3, NULL); gpio_request(GPIO_FN_PORT28_I2C_SDA3, NULL); + /* enable FSI2 port A (ak4648) */ + gpio_request(GPIO_FN_FSIACK, NULL); + gpio_request(GPIO_FN_FSIAILR, NULL); + gpio_request(GPIO_FN_FSIAIBT, NULL); + gpio_request(GPIO_FN_FSIAISLD, NULL); + gpio_request(GPIO_FN_FSIAOSLD, NULL); + + /* enable USB */ + gpio_request(GPIO_FN_VBUS_0, NULL); + #ifdef CONFIG_CACHE_L2X0 /* Early BRESP enable, Shared attribute override enable, 64K*8way */ l2x0_init(IOMEM(0xf0100000), 0x40460000, 0x82000fff); #endif + i2c_register_board_info(0, i2c0_devices, ARRAY_SIZE(i2c0_devices)); i2c_register_board_info(1, i2c1_devices, ARRAY_SIZE(i2c1_devices)); i2c_register_board_info(3, i2c3_devices, ARRAY_SIZE(i2c3_devices)); diff --git a/arch/arm/mach-shmobile/board-mackerel.c b/arch/arm/mach-shmobile/board-mackerel.c index 150122a..7ea2b31 100644 --- a/arch/arm/mach-shmobile/board-mackerel.c +++ b/arch/arm/mach-shmobile/board-mackerel.c @@ -41,6 +41,8 @@ #include <linux/mtd/physmap.h> #include <linux/mtd/sh_flctl.h> #include <linux/pm_clock.h> +#include <linux/regulator/fixed.h> +#include <linux/regulator/machine.h> #include <linux/smsc911x.h> #include <linux/sh_intc.h> #include <linux/tca6416_keypad.h> @@ -203,31 +205,32 @@ * amixer set "HPOUTR Mixer DACH" on */ -/* - * FIXME !! - * - * gpio_no_direction - * gpio_pull_down - * are quick_hack. - * - * current gpio frame work doesn't have - * the method to control only pull up/down/free. - * this function should be replaced by correct gpio function - */ -static void __init gpio_no_direction(u32 addr) +/* Fixed 3.3V and 1.8V regulators to be used by multiple devices */ +static struct regulator_consumer_supply fixed1v8_power_consumers[] = { - __raw_writeb(0x00, addr); -} + /* + * J22 on mackerel switches mmcif.0 and sdhi.1 between 1.8V and 3.3V + * Since we cannot support both voltages, we support the default 1.8V + */ + REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.1"), + REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.1"), + REGULATOR_SUPPLY("vmmc", "sh_mmcif.0"), + REGULATOR_SUPPLY("vqmmc", "sh_mmcif.0"), +}; -static void __init gpio_pull_down(u32 addr) +static struct regulator_consumer_supply fixed3v3_power_consumers[] = { - u8 data = __raw_readb(addr); - - data &= 0x0F; - data |= 0xA0; + REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"), + REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.0"), + REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.2"), + REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.2"), +}; - __raw_writeb(data, addr); -} +/* Dummy supplies, where voltage doesn't matter */ +static struct regulator_consumer_supply dummy_supplies[] = { + REGULATOR_SUPPLY("vddvario", "smsc911x"), + REGULATOR_SUPPLY("vdd33a", "smsc911x"), +}; /* MTD */ static struct mtd_partition nor_flash_partitions[] = { @@ -1409,6 +1412,12 @@ static void __init mackerel_init(void) u32 srcr4; struct clk *clk; + regulator_register_always_on(0, "fixed-1.8V", fixed1v8_power_consumers, + ARRAY_SIZE(fixed1v8_power_consumers), 1800000); + regulator_register_always_on(1, "fixed-3.3V", fixed3v3_power_consumers, + ARRAY_SIZE(fixed3v3_power_consumers), 3300000); + regulator_register_fixed(2, dummy_supplies, ARRAY_SIZE(dummy_supplies)); + /* External clock source */ clk_set_rate(&sh7372_dv_clki_clk, 27000000); @@ -1458,11 +1467,11 @@ static void __init mackerel_init(void) /* USBHS0 */ gpio_request(GPIO_FN_VBUS0_0, NULL); - gpio_pull_down(GPIO_PORT168CR); /* VBUS0_0 pull down */ + gpio_request_pulldown(GPIO_PORT168CR); /* VBUS0_0 pull down */ /* USBHS1 */ gpio_request(GPIO_FN_VBUS0_1, NULL); - gpio_pull_down(GPIO_PORT167CR); /* VBUS0_1 pull down */ + gpio_request_pulldown(GPIO_PORT167CR); /* VBUS0_1 pull down */ gpio_request(GPIO_FN_IDIN_1_113, NULL); /* enable FSI2 port A (ak4643) */ @@ -1475,8 +1484,8 @@ static void __init mackerel_init(void) gpio_request(GPIO_PORT9, NULL); gpio_request(GPIO_PORT10, NULL); - gpio_no_direction(GPIO_PORT9CR); /* FSIAOBT needs no direction */ - gpio_no_direction(GPIO_PORT10CR); /* FSIAOLR needs no direction */ + gpio_direction_none(GPIO_PORT9CR); /* FSIAOBT needs no direction */ + gpio_direction_none(GPIO_PORT10CR); /* FSIAOLR needs no direction */ intc_set_priority(IRQ_FSI, 3); /* irq priority FSI(3) > SMSC911X(2) */ @@ -1614,20 +1623,20 @@ static void __init mackerel_init(void) platform_add_devices(mackerel_devices, ARRAY_SIZE(mackerel_devices)); - sh7372_add_device_to_domain(&sh7372_a4lc, &lcdc_device); - sh7372_add_device_to_domain(&sh7372_a4lc, &hdmi_lcdc_device); - sh7372_add_device_to_domain(&sh7372_a4lc, &meram_device); - sh7372_add_device_to_domain(&sh7372_a4mp, &fsi_device); - sh7372_add_device_to_domain(&sh7372_a3sp, &usbhs0_device); - sh7372_add_device_to_domain(&sh7372_a3sp, &usbhs1_device); - sh7372_add_device_to_domain(&sh7372_a3sp, &nand_flash_device); - sh7372_add_device_to_domain(&sh7372_a3sp, &sh_mmcif_device); - sh7372_add_device_to_domain(&sh7372_a3sp, &sdhi0_device); + rmobile_add_device_to_domain(&sh7372_pd_a4lc, &lcdc_device); + rmobile_add_device_to_domain(&sh7372_pd_a4lc, &hdmi_lcdc_device); + rmobile_add_device_to_domain(&sh7372_pd_a4lc, &meram_device); + rmobile_add_device_to_domain(&sh7372_pd_a4mp, &fsi_device); + rmobile_add_device_to_domain(&sh7372_pd_a3sp, &usbhs0_device); + rmobile_add_device_to_domain(&sh7372_pd_a3sp, &usbhs1_device); + rmobile_add_device_to_domain(&sh7372_pd_a3sp, &nand_flash_device); + rmobile_add_device_to_domain(&sh7372_pd_a3sp, &sh_mmcif_device); + rmobile_add_device_to_domain(&sh7372_pd_a3sp, &sdhi0_device); #if !defined(CONFIG_MMC_SH_MMCIF) && !defined(CONFIG_MMC_SH_MMCIF_MODULE) - sh7372_add_device_to_domain(&sh7372_a3sp, &sdhi1_device); + rmobile_add_device_to_domain(&sh7372_pd_a3sp, &sdhi1_device); #endif - sh7372_add_device_to_domain(&sh7372_a3sp, &sdhi2_device); - sh7372_add_device_to_domain(&sh7372_a4r, &ceu_device); + rmobile_add_device_to_domain(&sh7372_pd_a3sp, &sdhi2_device); + rmobile_add_device_to_domain(&sh7372_pd_a4r, &ceu_device); hdmi_init_pm_clock(); sh7372_pm_init(); diff --git a/arch/arm/mach-shmobile/board-marzen.c b/arch/arm/mach-shmobile/board-marzen.c index 14de378..3a528cf 100644 --- a/arch/arm/mach-shmobile/board-marzen.c +++ b/arch/arm/mach-shmobile/board-marzen.c @@ -27,6 +27,8 @@ #include <linux/io.h> #include <linux/gpio.h> #include <linux/dma-mapping.h> +#include <linux/regulator/fixed.h> +#include <linux/regulator/machine.h> #include <linux/smsc911x.h> #include <mach/hardware.h> #include <mach/r8a7779.h> @@ -37,6 +39,12 @@ #include <asm/hardware/gic.h> #include <asm/traps.h> +/* Dummy supplies, where voltage doesn't matter */ +static struct regulator_consumer_supply dummy_supplies[] = { + REGULATOR_SUPPLY("vddvario", "smsc911x"), + REGULATOR_SUPPLY("vdd33a", "smsc911x"), +}; + /* SMSC LAN89218 */ static struct resource smsc911x_resources[] = { [0] = { @@ -73,6 +81,8 @@ static struct platform_device *marzen_devices[] __initdata = { static void __init marzen_init(void) { + regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies)); + r8a7779_pinmux_init(); /* SCIF2 (CN18: DEBUG0) */ diff --git a/arch/arm/mach-shmobile/clock-r8a7740.c b/arch/arm/mach-shmobile/clock-r8a7740.c index 26eea5f..ad5fccc 100644 --- a/arch/arm/mach-shmobile/clock-r8a7740.c +++ b/arch/arm/mach-shmobile/clock-r8a7740.c @@ -43,7 +43,10 @@ /* CPG registers */ #define FRQCRA 0xe6150000 #define FRQCRB 0xe6150004 +#define VCLKCR1 0xE6150008 +#define VCLKCR2 0xE615000c #define FRQCRC 0xe61500e0 +#define FSIACKCR 0xe6150018 #define PLLC01CR 0xe6150028 #define SUBCKCR 0xe6150080 @@ -54,6 +57,8 @@ #define MSTPSR2 0xe6150040 #define MSTPSR3 0xe6150048 #define MSTPSR4 0xe615004c +#define FSIBCKCR 0xe6150090 +#define HDMICKCR 0xe6150094 #define SMSTPCR0 0xe6150130 #define SMSTPCR1 0xe6150134 #define SMSTPCR2 0xe6150138 @@ -271,6 +276,13 @@ static struct clk usb24_clk = { .parent = &usb24s_clk, }; +/* External FSIACK/FSIBCK clock */ +static struct clk fsiack_clk = { +}; + +static struct clk fsibck_clk = { +}; + struct clk *main_clks[] = { &extalr_clk, &extal1_clk, @@ -288,6 +300,8 @@ struct clk *main_clks[] = { &pllc1_div2_clk, &usb24s_clk, &usb24_clk, + &fsiack_clk, + &fsibck_clk, }; static void div4_kick(struct clk *clk) @@ -313,6 +327,107 @@ static struct clk_div4_table div4_table = { .kick = div4_kick, }; +/* DIV6 reparent */ +enum { + DIV6_HDMI, + DIV6_VCLK1, DIV6_VCLK2, + DIV6_FSIA, DIV6_FSIB, + DIV6_REPARENT_NR, +}; + +static struct clk *hdmi_parent[] = { + [0] = &pllc1_div2_clk, + [1] = &system_clk, + [2] = &dv_clk +}; + +static struct clk *vclk_parents[8] = { + [0] = &pllc1_div2_clk, + [2] = &dv_clk, + [3] = &usb24s_clk, + [4] = &extal1_div2_clk, + [5] = &extalr_clk, +}; + +static struct clk *fsia_parents[] = { + [0] = &pllc1_div2_clk, + [1] = &fsiack_clk, /* external clock */ +}; + +static struct clk *fsib_parents[] = { + [0] = &pllc1_div2_clk, + [1] = &fsibck_clk, /* external clock */ +}; + +static struct clk div6_reparent_clks[DIV6_REPARENT_NR] = { + [DIV6_HDMI] = SH_CLK_DIV6_EXT(HDMICKCR, 0, + hdmi_parent, ARRAY_SIZE(hdmi_parent), 6, 2), + [DIV6_VCLK1] = SH_CLK_DIV6_EXT(VCLKCR1, 0, + vclk_parents, ARRAY_SIZE(vclk_parents), 12, 3), + [DIV6_VCLK2] = SH_CLK_DIV6_EXT(VCLKCR2, 0, + vclk_parents, ARRAY_SIZE(vclk_parents), 12, 3), + [DIV6_FSIA] = SH_CLK_DIV6_EXT(FSIACKCR, 0, + fsia_parents, ARRAY_SIZE(fsia_parents), 6, 2), + [DIV6_FSIB] = SH_CLK_DIV6_EXT(FSIBCKCR, 0, + fsib_parents, ARRAY_SIZE(fsib_parents), 6, 2), +}; + +/* HDMI1/2 clock */ +static unsigned long hdmi12_recalc(struct clk *clk) +{ + u32 val = __raw_readl(HDMICKCR); + int shift = (int)clk->priv; + + val >>= shift; + val &= 0x3; + + return clk->parent->rate / (1 << val); +}; + +static int hdmi12_set_rate(struct clk *clk, unsigned long rate) +{ + u32 val, mask; + int i, shift; + + for (i = 0; i < 3; i++) + if (rate == clk->parent->rate / (1 << i)) + goto find; + return -ENODEV; + +find: + shift = (int)clk->priv; + + val = __raw_readl(HDMICKCR); + mask = ~(0x3 << shift); + val = (val & mask) | i << shift; + __raw_writel(val, HDMICKCR); + + return 0; +}; + +static struct sh_clk_ops hdmi12_clk_ops = { + .recalc = hdmi12_recalc, + .set_rate = hdmi12_set_rate, +}; + +static struct clk hdmi1_clk = { + .ops = &hdmi12_clk_ops, + .priv = (void *)9, + .parent = &div6_reparent_clks[DIV6_HDMI], /* late install */ +}; + +static struct clk hdmi2_clk = { + .ops = &hdmi12_clk_ops, + .priv = (void *)11, + .parent = &div6_reparent_clks[DIV6_HDMI], /* late install */ +}; + +static struct clk *late_main_clks[] = { + &hdmi1_clk, + &hdmi2_clk, +}; + +/* MSTP */ enum { DIV4_I, DIV4_ZG, DIV4_B, DIV4_M1, DIV4_HP, DIV4_HPP, DIV4_USBP, DIV4_S, DIV4_ZB, DIV4_M3, DIV4_CP, @@ -343,11 +458,12 @@ static struct clk div6_clks[DIV6_NR] = { }; enum { - MSTP125, + MSTP128, MSTP127, MSTP125, MSTP116, MSTP111, MSTP100, MSTP117, MSTP230, MSTP222, + MSTP218, MSTP217, MSTP216, MSTP214, MSTP207, MSTP206, MSTP204, MSTP203, MSTP202, MSTP201, MSTP200, MSTP329, MSTP328, MSTP323, MSTP320, @@ -360,6 +476,8 @@ enum { }; static struct clk mstp_clks[MSTP_NR] = { + [MSTP128] = SH_CLK_MSTP32(&div4_clks[DIV4_S], SMSTPCR1, 28, 0), /* CEU21 */ + [MSTP127] = SH_CLK_MSTP32(&div4_clks[DIV4_S], SMSTPCR1, 27, 0), /* CEU20 */ [MSTP125] = SH_CLK_MSTP32(&div6_clks[DIV6_SUB], SMSTPCR1, 25, 0), /* TMU0 */ [MSTP117] = SH_CLK_MSTP32(&div4_clks[DIV4_B], SMSTPCR1, 17, 0), /* LCDC1 */ [MSTP116] = SH_CLK_MSTP32(&div6_clks[DIV6_SUB], SMSTPCR1, 16, 0), /* IIC0 */ @@ -368,6 +486,10 @@ static struct clk mstp_clks[MSTP_NR] = { [MSTP230] = SH_CLK_MSTP32(&div6_clks[DIV6_SUB], SMSTPCR2, 30, 0), /* SCIFA6 */ [MSTP222] = SH_CLK_MSTP32(&div6_clks[DIV6_SUB], SMSTPCR2, 22, 0), /* SCIFA7 */ + [MSTP218] = SH_CLK_MSTP32(&div4_clks[DIV4_HP], SMSTPCR2, 18, 0), /* DMAC1 */ + [MSTP217] = SH_CLK_MSTP32(&div4_clks[DIV4_HP], SMSTPCR2, 17, 0), /* DMAC2 */ + [MSTP216] = SH_CLK_MSTP32(&div4_clks[DIV4_HP], SMSTPCR2, 16, 0), /* DMAC3 */ + [MSTP214] = SH_CLK_MSTP32(&div4_clks[DIV4_HP], SMSTPCR2, 14, 0), /* USBDMAC */ [MSTP207] = SH_CLK_MSTP32(&div6_clks[DIV6_SUB], SMSTPCR2, 7, 0), /* SCIFA5 */ [MSTP206] = SH_CLK_MSTP32(&div6_clks[DIV6_SUB], SMSTPCR2, 6, 0), /* SCIFB */ [MSTP204] = SH_CLK_MSTP32(&div6_clks[DIV6_SUB], SMSTPCR2, 4, 0), /* SCIFA0 */ @@ -408,6 +530,12 @@ static struct clk_lookup lookups[] = { CLKDEV_CON_ID("pllc1_clk", &pllc1_clk), CLKDEV_CON_ID("pllc1_div2_clk", &pllc1_div2_clk), CLKDEV_CON_ID("usb24s", &usb24s_clk), + CLKDEV_CON_ID("hdmi1", &hdmi1_clk), + CLKDEV_CON_ID("hdmi2", &hdmi2_clk), + CLKDEV_CON_ID("video1", &div6_reparent_clks[DIV6_VCLK1]), + CLKDEV_CON_ID("video2", &div6_reparent_clks[DIV6_VCLK2]), + CLKDEV_CON_ID("fsiack", &fsiack_clk), + CLKDEV_CON_ID("fsibck", &fsibck_clk), /* DIV4 clocks */ CLKDEV_CON_ID("i_clk", &div4_clks[DIV4_I]), @@ -430,6 +558,8 @@ static struct clk_lookup lookups[] = { CLKDEV_DEV_ID("i2c-sh_mobile.0", &mstp_clks[MSTP116]), CLKDEV_DEV_ID("sh_mobile_lcdc_fb.1", &mstp_clks[MSTP117]), CLKDEV_DEV_ID("sh_tmu.0", &mstp_clks[MSTP125]), + CLKDEV_DEV_ID("sh_mobile_ceu.0", &mstp_clks[MSTP127]), + CLKDEV_DEV_ID("sh_mobile_ceu.1", &mstp_clks[MSTP128]), CLKDEV_DEV_ID("sh-sci.4", &mstp_clks[MSTP200]), CLKDEV_DEV_ID("sh-sci.3", &mstp_clks[MSTP201]), @@ -438,7 +568,10 @@ static struct clk_lookup lookups[] = { CLKDEV_DEV_ID("sh-sci.0", &mstp_clks[MSTP204]), CLKDEV_DEV_ID("sh-sci.8", &mstp_clks[MSTP206]), CLKDEV_DEV_ID("sh-sci.5", &mstp_clks[MSTP207]), - + CLKDEV_DEV_ID("sh-dma-engine.3", &mstp_clks[MSTP214]), + CLKDEV_DEV_ID("sh-dma-engine.2", &mstp_clks[MSTP216]), + CLKDEV_DEV_ID("sh-dma-engine.1", &mstp_clks[MSTP217]), + CLKDEV_DEV_ID("sh-dma-engine.0", &mstp_clks[MSTP218]), CLKDEV_DEV_ID("sh-sci.7", &mstp_clks[MSTP222]), CLKDEV_DEV_ID("sh-sci.6", &mstp_clks[MSTP230]), @@ -459,6 +592,10 @@ static struct clk_lookup lookups[] = { CLKDEV_ICK_ID("phy", "renesas_usbhs", &mstp_clks[MSTP406]), CLKDEV_ICK_ID("pci", "renesas_usbhs", &div4_clks[DIV4_USBP]), CLKDEV_ICK_ID("usb24", "renesas_usbhs", &usb24_clk), + CLKDEV_ICK_ID("ick", "sh-mobile-hdmi", &div6_reparent_clks[DIV6_HDMI]), + + CLKDEV_ICK_ID("icka", "sh_fsi2", &div6_reparent_clks[DIV6_FSIA]), + CLKDEV_ICK_ID("ickb", "sh_fsi2", &div6_reparent_clks[DIV6_FSIB]), }; void __init r8a7740_clock_init(u8 md_ck) @@ -495,7 +632,14 @@ void __init r8a7740_clock_init(u8 md_ck) ret = sh_clk_div6_register(div6_clks, DIV6_NR); if (!ret) - ret = sh_clk_mstp32_register(mstp_clks, MSTP_NR); + ret = sh_clk_div6_reparent_register(div6_reparent_clks, + DIV6_REPARENT_NR); + + if (!ret) + ret = sh_clk_mstp_register(mstp_clks, MSTP_NR); + + for (k = 0; !ret && (k < ARRAY_SIZE(late_main_clks)); k++) + ret = clk_register(late_main_clks[k]); clkdev_add_table(lookups, ARRAY_SIZE(lookups)); diff --git a/arch/arm/mach-shmobile/clock-r8a7779.c b/arch/arm/mach-shmobile/clock-r8a7779.c index 7d6e9fe..339c62c 100644 --- a/arch/arm/mach-shmobile/clock-r8a7779.c +++ b/arch/arm/mach-shmobile/clock-r8a7779.c @@ -162,7 +162,7 @@ void __init r8a7779_clock_init(void) ret = sh_clk_div4_register(div4_clks, DIV4_NR, &div4_table); if (!ret) - ret = sh_clk_mstp32_register(mstp_clks, MSTP_NR); + ret = sh_clk_mstp_register(mstp_clks, MSTP_NR); for (k = 0; !ret && (k < ARRAY_SIZE(late_main_clks)); k++) ret = clk_register(late_main_clks[k]); diff --git a/arch/arm/mach-shmobile/clock-sh7367.c b/arch/arm/mach-shmobile/clock-sh7367.c index 006e7b5..162b791 100644 --- a/arch/arm/mach-shmobile/clock-sh7367.c +++ b/arch/arm/mach-shmobile/clock-sh7367.c @@ -344,7 +344,7 @@ void __init sh7367_clock_init(void) ret = sh_clk_div6_register(div6_clks, DIV6_NR); if (!ret) - ret = sh_clk_mstp32_register(mstp_clks, MSTP_NR); + ret = sh_clk_mstp_register(mstp_clks, MSTP_NR); clkdev_add_table(lookups, ARRAY_SIZE(lookups)); diff --git a/arch/arm/mach-shmobile/clock-sh7372.c b/arch/arm/mach-shmobile/clock-sh7372.c index 94d1f88..5a2894b 100644 --- a/arch/arm/mach-shmobile/clock-sh7372.c +++ b/arch/arm/mach-shmobile/clock-sh7372.c @@ -704,7 +704,7 @@ void __init sh7372_clock_init(void) ret = sh_clk_div6_reparent_register(div6_reparent_clks, DIV6_REPARENT_NR); if (!ret) - ret = sh_clk_mstp32_register(mstp_clks, MSTP_NR); + ret = sh_clk_mstp_register(mstp_clks, MSTP_NR); for (k = 0; !ret && (k < ARRAY_SIZE(late_main_clks)); k++) ret = clk_register(late_main_clks[k]); diff --git a/arch/arm/mach-shmobile/clock-sh7377.c b/arch/arm/mach-shmobile/clock-sh7377.c index 0798a15..85f2a3e 100644 --- a/arch/arm/mach-shmobile/clock-sh7377.c +++ b/arch/arm/mach-shmobile/clock-sh7377.c @@ -355,7 +355,7 @@ void __init sh7377_clock_init(void) ret = sh_clk_div6_register(div6_clks, DIV6_NR); if (!ret) - ret = sh_clk_mstp32_register(mstp_clks, MSTP_NR); + ret = sh_clk_mstp_register(mstp_clks, MSTP_NR); clkdev_add_table(lookups, ARRAY_SIZE(lookups)); diff --git a/arch/arm/mach-shmobile/clock-sh73a0.c b/arch/arm/mach-shmobile/clock-sh73a0.c index 3946c4b..7f8da18 100644 --- a/arch/arm/mach-shmobile/clock-sh73a0.c +++ b/arch/arm/mach-shmobile/clock-sh73a0.c @@ -475,9 +475,9 @@ static struct clk *late_main_clks[] = { enum { MSTP001, MSTP129, MSTP128, MSTP127, MSTP126, MSTP125, MSTP118, MSTP116, MSTP100, - MSTP219, MSTP218, + MSTP219, MSTP218, MSTP217, MSTP207, MSTP206, MSTP204, MSTP203, MSTP202, MSTP201, MSTP200, - MSTP331, MSTP329, MSTP325, MSTP323, + MSTP331, MSTP329, MSTP328, MSTP325, MSTP323, MSTP322, MSTP314, MSTP313, MSTP312, MSTP311, MSTP303, MSTP302, MSTP301, MSTP300, MSTP411, MSTP410, MSTP403, @@ -498,6 +498,7 @@ static struct clk mstp_clks[MSTP_NR] = { [MSTP100] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 0, 0), /* LCDC0 */ [MSTP219] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 19, 0), /* SCIFA7 */ [MSTP218] = MSTP(&div4_clks[DIV4_HP], SMSTPCR2, 18, 0), /* SY-DMAC */ + [MSTP217] = MSTP(&div4_clks[DIV4_HP], SMSTPCR2, 17, 0), /* MP-DMAC */ [MSTP207] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 7, 0), /* SCIFA5 */ [MSTP206] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 6, 0), /* SCIFB */ [MSTP204] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 4, 0), /* SCIFA0 */ @@ -507,8 +508,10 @@ static struct clk mstp_clks[MSTP_NR] = { [MSTP200] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 0, 0), /* SCIFA4 */ [MSTP331] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR3, 31, 0), /* SCIFA6 */ [MSTP329] = MSTP(&r_clk, SMSTPCR3, 29, 0), /* CMT10 */ + [MSTP328] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 28, 0), /*FSI*/ [MSTP325] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR3, 25, 0), /* IrDA */ [MSTP323] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 23, 0), /* IIC1 */ + [MSTP322] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 22, 0), /* USB */ [MSTP314] = MSTP(&div6_clks[DIV6_SDHI0], SMSTPCR3, 14, 0), /* SDHI0 */ [MSTP313] = MSTP(&div6_clks[DIV6_SDHI1], SMSTPCR3, 13, 0), /* SDHI1 */ [MSTP312] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 12, 0), /* MMCIF0 */ @@ -553,6 +556,7 @@ static struct clk_lookup lookups[] = { CLKDEV_DEV_ID("sh_mobile_lcdc_fb.0", &mstp_clks[MSTP100]), /* LCDC0 */ CLKDEV_DEV_ID("sh-sci.7", &mstp_clks[MSTP219]), /* SCIFA7 */ CLKDEV_DEV_ID("sh-dma-engine.0", &mstp_clks[MSTP218]), /* SY-DMAC */ + CLKDEV_DEV_ID("sh-dma-engine.1", &mstp_clks[MSTP217]), /* MP-DMAC */ CLKDEV_DEV_ID("sh-sci.5", &mstp_clks[MSTP207]), /* SCIFA5 */ CLKDEV_DEV_ID("sh-sci.8", &mstp_clks[MSTP206]), /* SCIFB */ CLKDEV_DEV_ID("sh-sci.0", &mstp_clks[MSTP204]), /* SCIFA0 */ @@ -562,8 +566,10 @@ static struct clk_lookup lookups[] = { CLKDEV_DEV_ID("sh-sci.4", &mstp_clks[MSTP200]), /* SCIFA4 */ CLKDEV_DEV_ID("sh-sci.6", &mstp_clks[MSTP331]), /* SCIFA6 */ CLKDEV_DEV_ID("sh_cmt.10", &mstp_clks[MSTP329]), /* CMT10 */ + CLKDEV_DEV_ID("sh_fsi2", &mstp_clks[MSTP328]), /* FSI */ CLKDEV_DEV_ID("sh_irda.0", &mstp_clks[MSTP325]), /* IrDA */ CLKDEV_DEV_ID("i2c-sh_mobile.1", &mstp_clks[MSTP323]), /* I2C1 */ + CLKDEV_DEV_ID("renesas_usbhs", &mstp_clks[MSTP322]), /* USB */ CLKDEV_DEV_ID("sh_mobile_sdhi.0", &mstp_clks[MSTP314]), /* SDHI0 */ CLKDEV_DEV_ID("sh_mobile_sdhi.1", &mstp_clks[MSTP313]), /* SDHI1 */ CLKDEV_DEV_ID("sh_mmcif.0", &mstp_clks[MSTP312]), /* MMCIF0 */ @@ -612,7 +618,7 @@ void __init sh73a0_clock_init(void) ret = sh_clk_div6_reparent_register(div6_clks, DIV6_NR); if (!ret) - ret = sh_clk_mstp32_register(mstp_clks, MSTP_NR); + ret = sh_clk_mstp_register(mstp_clks, MSTP_NR); for (k = 0; !ret && (k < ARRAY_SIZE(late_main_clks)); k++) ret = clk_register(late_main_clks[k]); diff --git a/arch/arm/mach-shmobile/include/mach/common.h b/arch/arm/mach-shmobile/include/mach/common.h index 01e2bc0..45e61da 100644 --- a/arch/arm/mach-shmobile/include/mach/common.h +++ b/arch/arm/mach-shmobile/include/mach/common.h @@ -77,6 +77,7 @@ extern void r8a7779_add_standard_devices(void); extern void r8a7779_clock_init(void); extern void r8a7779_pinmux_init(void); extern void r8a7779_pm_init(void); +extern void r8a7740_meram_workaround(void); extern unsigned int r8a7779_get_core_count(void); extern int r8a7779_platform_cpu_kill(unsigned int cpu); diff --git a/arch/arm/mach-shmobile/include/mach/dma-register.h b/arch/arm/mach-shmobile/include/mach/dma-register.h new file mode 100644 index 0000000..97c40bd --- /dev/null +++ b/arch/arm/mach-shmobile/include/mach/dma-register.h @@ -0,0 +1,84 @@ +/* + * SH-ARM CPU-specific DMA definitions, used by both DMA drivers + * + * Copyright (C) 2012 Renesas Solutions Corp + * + * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> + * + * Based on arch/sh/include/cpu-sh4/cpu/dma-register.h + * Copyright (C) 2010 Guennadi Liakhovetski <g.liakhovetski@gmx.de> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef DMA_REGISTER_H +#define DMA_REGISTER_H + +/* + * Direct Memory Access Controller + */ + +/* Transmit sizes and respective CHCR register values */ +enum { + XMIT_SZ_8BIT = 0, + XMIT_SZ_16BIT = 1, + XMIT_SZ_32BIT = 2, + XMIT_SZ_64BIT = 7, + XMIT_SZ_128BIT = 3, + XMIT_SZ_256BIT = 4, + XMIT_SZ_512BIT = 5, +}; + +/* log2(size / 8) - used to calculate number of transfers */ +static const unsigned int dma_ts_shift[] = { + [XMIT_SZ_8BIT] = 0, + [XMIT_SZ_16BIT] = 1, + [XMIT_SZ_32BIT] = 2, + [XMIT_SZ_64BIT] = 3, + [XMIT_SZ_128BIT] = 4, + [XMIT_SZ_256BIT] = 5, + [XMIT_SZ_512BIT] = 6, +}; + +#define TS_LOW_BIT 0x3 /* --xx */ +#define TS_HI_BIT 0xc /* xx-- */ + +#define TS_LOW_SHIFT (3) +#define TS_HI_SHIFT (20 - 2) /* 2 bits for shifted low TS */ + +#define TS_INDEX2VAL(i) \ + ((((i) & TS_LOW_BIT) << TS_LOW_SHIFT) |\ + (((i) & TS_HI_BIT) << TS_HI_SHIFT)) + +#define CHCR_TX(xmit_sz) (DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL((xmit_sz))) +#define CHCR_RX(xmit_sz) (DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL((xmit_sz))) + + +/* + * USB High-Speed DMAC + */ +/* Transmit sizes and respective CHCR register values */ +enum { + USBTS_XMIT_SZ_8BYTE = 0, + USBTS_XMIT_SZ_16BYTE = 1, + USBTS_XMIT_SZ_32BYTE = 2, +}; + +/* log2(size / 8) - used to calculate number of transfers */ +static const unsigned int dma_usbts_shift[] = { + [USBTS_XMIT_SZ_8BYTE] = 3, + [USBTS_XMIT_SZ_16BYTE] = 4, + [USBTS_XMIT_SZ_32BYTE] = 5, +}; + +#define USBTS_LOW_BIT 0x3 /* --xx */ +#define USBTS_HI_BIT 0x0 /* ---- */ + +#define USBTS_LOW_SHIFT 6 +#define USBTS_HI_SHIFT 0 + +#define USBTS_INDEX2VAL(i) (((i) & 3) << 6) + +#endif /* DMA_REGISTER_H */ diff --git a/arch/arm/mach-shmobile/include/mach/gpio.h b/arch/arm/mach-shmobile/include/mach/gpio.h index de795b4..844507d 100644 --- a/arch/arm/mach-shmobile/include/mach/gpio.h +++ b/arch/arm/mach-shmobile/include/mach/gpio.h @@ -13,6 +13,7 @@ #include <linux/kernel.h> #include <linux/errno.h> #include <linux/sh_pfc.h> +#include <linux/io.h> #ifdef CONFIG_GPIOLIB @@ -27,4 +28,35 @@ static inline int irq_to_gpio(unsigned int irq) #endif /* CONFIG_GPIOLIB */ +/* + * FIXME !! + * + * current gpio frame work doesn't have + * the method to control only pull up/down/free. + * this function should be replaced by correct gpio function + */ +static inline void __init gpio_direction_none(u32 addr) +{ + __raw_writeb(0x00, addr); +} + +static inline void __init gpio_request_pullup(u32 addr) +{ + u8 data = __raw_readb(addr); + + data &= 0x0F; + data |= 0xC0; + __raw_writeb(data, addr); +} + +static inline void __init gpio_request_pulldown(u32 addr) +{ + u8 data = __raw_readb(addr); + + data &= 0x0F; + data |= 0xA0; + + __raw_writeb(data, addr); +} + #endif /* __ASM_ARCH_GPIO_H */ diff --git a/arch/arm/mach-shmobile/include/mach/pm-rmobile.h b/arch/arm/mach-shmobile/include/mach/pm-rmobile.h new file mode 100644 index 0000000..5a40284 --- /dev/null +++ b/arch/arm/mach-shmobile/include/mach/pm-rmobile.h @@ -0,0 +1,44 @@ +/* + * Copyright (C) 2012 Renesas Solutions Corp. + * + * Kuninori Morimoto <morimoto.kuninori@renesas.com> + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ +#ifndef PM_RMOBILE_H +#define PM_RMOBILE_H + +#include <linux/pm_domain.h> + +struct platform_device; + +struct rmobile_pm_domain { + struct generic_pm_domain genpd; + struct dev_power_governor *gov; + int (*suspend)(void); + void (*resume)(void); + unsigned int bit_shift; + bool no_debug; +}; + +static inline +struct rmobile_pm_domain *to_rmobile_pd(struct generic_pm_domain *d) +{ + return container_of(d, struct rmobile_pm_domain, genpd); +} + +#ifdef CONFIG_PM +extern void rmobile_init_pm_domain(struct rmobile_pm_domain *rmobile_pd); +extern void rmobile_add_device_to_domain(struct rmobile_pm_domain *rmobile_pd, + struct platform_device *pdev); +extern void rmobile_pm_add_subdomain(struct rmobile_pm_domain *rmobile_pd, + struct rmobile_pm_domain *rmobile_sd); +#else +#define rmobile_init_pm_domain(pd) do { } while (0) +#define rmobile_add_device_to_domain(pd, pdev) do { } while (0) +#define rmobile_pm_add_subdomain(pd, sd) do { } while (0) +#endif /* CONFIG_PM */ + +#endif /* PM_RMOBILE_H */ diff --git a/arch/arm/mach-shmobile/include/mach/r8a7740.h b/arch/arm/mach-shmobile/include/mach/r8a7740.h index 9d447ab..7143147 100644 --- a/arch/arm/mach-shmobile/include/mach/r8a7740.h +++ b/arch/arm/mach-shmobile/include/mach/r8a7740.h @@ -19,6 +19,8 @@ #ifndef __ASM_R8A7740_H__ #define __ASM_R8A7740_H__ +#include <mach/pm-rmobile.h> + /* * MD_CKx pin */ @@ -139,7 +141,7 @@ enum { GPIO_FN_DBGMD10, GPIO_FN_DBGMD11, GPIO_FN_DBGMD20, GPIO_FN_DBGMD21, - /* FSI */ + /* FSI-A */ GPIO_FN_FSIAISLD_PORT0, /* FSIAISLD Port 0/5 */ GPIO_FN_FSIAISLD_PORT5, GPIO_FN_FSIASPDIF_PORT9, /* FSIASPDIF Port 9/18 */ @@ -150,6 +152,9 @@ enum { GPIO_FN_FSIACK, GPIO_FN_FSIAILR, GPIO_FN_FSIAIBT, + /* FSI-B */ + GPIO_FN_FSIBCK, + /* FMSI */ GPIO_FN_FMSISLD_PORT1, /* FMSISLD Port 1/6 */ GPIO_FN_FMSISLD_PORT6, @@ -565,6 +570,10 @@ enum { GPIO_FN_RESETP_PULLUP, GPIO_FN_RESETP_PLAIN, + /* HDMI */ + GPIO_FN_HDMI_HPD, + GPIO_FN_HDMI_CEC, + /* SDENC */ GPIO_FN_SDENC_CPG, GPIO_FN_SDENC_DV_CLKI, @@ -581,4 +590,26 @@ enum { GPIO_FN_TRACEAUD_FROM_MEMC, }; +/* DMA slave IDs */ +enum { + SHDMA_SLAVE_INVALID, + SHDMA_SLAVE_SDHI0_RX, + SHDMA_SLAVE_SDHI0_TX, + SHDMA_SLAVE_SDHI1_RX, + SHDMA_SLAVE_SDHI1_TX, + SHDMA_SLAVE_SDHI2_RX, + SHDMA_SLAVE_SDHI2_TX, + SHDMA_SLAVE_FSIA_RX, + SHDMA_SLAVE_FSIA_TX, + SHDMA_SLAVE_FSIB_TX, + SHDMA_SLAVE_USBHS_TX, + SHDMA_SLAVE_USBHS_RX, +}; + +#ifdef CONFIG_PM +extern struct rmobile_pm_domain r8a7740_pd_a4s; +extern struct rmobile_pm_domain r8a7740_pd_a3sp; +extern struct rmobile_pm_domain r8a7740_pd_a4lc; +#endif /* CONFIG_PM */ + #endif /* __ASM_R8A7740_H__ */ diff --git a/arch/arm/mach-shmobile/include/mach/sh7372.h b/arch/arm/mach-shmobile/include/mach/sh7372.h index 915d009..b59048e 100644 --- a/arch/arm/mach-shmobile/include/mach/sh7372.h +++ b/arch/arm/mach-shmobile/include/mach/sh7372.h @@ -13,6 +13,7 @@ #include <linux/sh_clk.h> #include <linux/pm_domain.h> +#include <mach/pm-rmobile.h> /* * Pin Function Controller: @@ -477,42 +478,16 @@ extern struct clk sh7372_fsibck_clk; extern struct clk sh7372_fsidiva_clk; extern struct clk sh7372_fsidivb_clk; -struct platform_device; - -struct sh7372_pm_domain { - struct generic_pm_domain genpd; - struct dev_power_governor *gov; - int (*suspend)(void); - void (*resume)(void); - unsigned int bit_shift; - bool no_debug; -}; - -static inline struct sh7372_pm_domain *to_sh7372_pd(struct generic_pm_domain *d) -{ - return container_of(d, struct sh7372_pm_domain, genpd); -} - #ifdef CONFIG_PM -extern struct sh7372_pm_domain sh7372_a4lc; -extern struct sh7372_pm_domain sh7372_a4mp; -extern struct sh7372_pm_domain sh7372_d4; -extern struct sh7372_pm_domain sh7372_a4r; -extern struct sh7372_pm_domain sh7372_a3rv; -extern struct sh7372_pm_domain sh7372_a3ri; -extern struct sh7372_pm_domain sh7372_a4s; -extern struct sh7372_pm_domain sh7372_a3sp; -extern struct sh7372_pm_domain sh7372_a3sg; - -extern void sh7372_init_pm_domain(struct sh7372_pm_domain *sh7372_pd); -extern void sh7372_add_device_to_domain(struct sh7372_pm_domain *sh7372_pd, - struct platform_device *pdev); -extern void sh7372_pm_add_subdomain(struct sh7372_pm_domain *sh7372_pd, - struct sh7372_pm_domain *sh7372_sd); -#else -#define sh7372_init_pm_domain(pd) do { } while(0) -#define sh7372_add_device_to_domain(pd, pdev) do { } while(0) -#define sh7372_pm_add_subdomain(pd, sd) do { } while(0) +extern struct rmobile_pm_domain sh7372_pd_a4lc; +extern struct rmobile_pm_domain sh7372_pd_a4mp; +extern struct rmobile_pm_domain sh7372_pd_d4; +extern struct rmobile_pm_domain sh7372_pd_a4r; +extern struct rmobile_pm_domain sh7372_pd_a3rv; +extern struct rmobile_pm_domain sh7372_pd_a3ri; +extern struct rmobile_pm_domain sh7372_pd_a4s; +extern struct rmobile_pm_domain sh7372_pd_a3sp; +extern struct rmobile_pm_domain sh7372_pd_a3sg; #endif /* CONFIG_PM */ extern void sh7372_intcs_suspend(void); diff --git a/arch/arm/mach-shmobile/include/mach/sh73a0.h b/arch/arm/mach-shmobile/include/mach/sh73a0.h index 398e2c1..fe950f2 100644 --- a/arch/arm/mach-shmobile/include/mach/sh73a0.h +++ b/arch/arm/mach-shmobile/include/mach/sh73a0.h @@ -516,6 +516,13 @@ enum { SHDMA_SLAVE_SDHI2_RX, SHDMA_SLAVE_MMCIF_TX, SHDMA_SLAVE_MMCIF_RX, + SHDMA_SLAVE_FSI2A_TX, + SHDMA_SLAVE_FSI2A_RX, + SHDMA_SLAVE_FSI2B_TX, + SHDMA_SLAVE_FSI2B_RX, + SHDMA_SLAVE_FSI2C_TX, + SHDMA_SLAVE_FSI2C_RX, + SHDMA_SLAVE_FSI2D_RX, }; /* diff --git a/arch/arm/mach-shmobile/intc-r8a7740.c b/arch/arm/mach-shmobile/intc-r8a7740.c index 09c42af..9a69a31 100644 --- a/arch/arm/mach-shmobile/intc-r8a7740.c +++ b/arch/arm/mach-shmobile/intc-r8a7740.c @@ -71,10 +71,12 @@ enum { DMAC3_1_DEI0, DMAC3_1_DEI1, DMAC3_1_DEI2, DMAC3_1_DEI3, DMAC3_2_DEI4, DMAC3_2_DEI5, DMAC3_2_DADERR, SHWYSTAT_RT, SHWYSTAT_HS, SHWYSTAT_COM, + HDMI, USBH_INT, USBH_OHCI, USBH_EHCI, USBH_PME, USBH_BIND, RSPI_OVRF, RSPI_SPTEF, RSPI_SPRF, SPU2_0, SPU2_1, FSI, FMSI, + HDMI_SSS, HDMI_KEY, IPMMU, AP_ARM_CTIIRQ, AP_ARM_PMURQ, MFIS2, @@ -182,6 +184,7 @@ static struct intc_vect intca_vectors[] __initdata = { INTC_VECT(USBH_EHCI, 0x1580), INTC_VECT(USBH_PME, 0x15A0), INTC_VECT(USBH_BIND, 0x15C0), + INTC_VECT(HDMI, 0x1700), INTC_VECT(RSPI_OVRF, 0x1780), INTC_VECT(RSPI_SPTEF, 0x17A0), INTC_VECT(RSPI_SPRF, 0x17C0), @@ -189,6 +192,8 @@ static struct intc_vect intca_vectors[] __initdata = { INTC_VECT(SPU2_1, 0x1820), INTC_VECT(FSI, 0x1840), INTC_VECT(FMSI, 0x1860), + INTC_VECT(HDMI_SSS, 0x18A0), + INTC_VECT(HDMI_KEY, 0x18C0), INTC_VECT(IPMMU, 0x1920), INTC_VECT(AP_ARM_CTIIRQ, 0x1980), INTC_VECT(AP_ARM_PMURQ, 0x19A0), @@ -304,11 +309,11 @@ static struct intc_mask_reg intca_mask_registers[] __initdata = { USBH_EHCI, USBH_PME, USBH_BIND, 0 } }, /* IMR3A3 / IMCR3A3 */ { /* IMR4A3 / IMCR4A3 */ 0xe6950090, 0xe69500d0, 8, - { 0, 0, 0, 0, + { HDMI, 0, 0, 0, RSPI_OVRF, RSPI_SPTEF, RSPI_SPRF, 0 } }, { /* IMR5A3 / IMCR5A3 */ 0xe6950094, 0xe69500d4, 8, { SPU2_0, SPU2_1, FSI, FMSI, - 0, 0, 0, 0 } }, + 0, HDMI_SSS, HDMI_KEY, 0 } }, { /* IMR6A3 / IMCR6A3 */ 0xe6950098, 0xe69500d8, 8, { 0, IPMMU, 0, 0, AP_ARM_CTIIRQ, AP_ARM_PMURQ, 0, 0 } }, @@ -353,10 +358,10 @@ static struct intc_prio_reg intca_prio_registers[] __initdata = { { 0xe6950014, 0, 16, 4, /* IPRFA3 */ { USBH2, 0, 0, 0 } }, /* IPRGA3 */ /* IPRHA3 */ - /* IPRIA3 */ + { 0xe6950020, 0, 16, 4, /* IPRIA3 */ { HDMI, 0, 0, 0 } }, { 0xe6950024, 0, 16, 4, /* IPRJA3 */ { RSPI, 0, 0, 0 } }, { 0xe6950028, 0, 16, 4, /* IPRKA3 */ { SPU2, 0, FSI, FMSI } }, - /* IPRLA3 */ + { 0xe695002c, 0, 16, 4, /* IPRLA3 */ { 0, HDMI_SSS, HDMI_KEY, 0 } }, { 0xe6950030, 0, 16, 4, /* IPRMA3 */ { IPMMU, 0, 0, 0 } }, { 0xe6950034, 0, 16, 4, /* IPRNA3 */ { AP_ARM2, 0, 0, 0 } }, { 0xe6950038, 0, 16, 4, /* IPROA3 */ { MFIS2, CPORTR2S, diff --git a/arch/arm/mach-shmobile/pfc-r8a7740.c b/arch/arm/mach-shmobile/pfc-r8a7740.c index 670fe18..ce9e7fa 100644 --- a/arch/arm/mach-shmobile/pfc-r8a7740.c +++ b/arch/arm/mach-shmobile/pfc-r8a7740.c @@ -169,7 +169,7 @@ enum { DBGMD10_MARK, DBGMD11_MARK, DBGMD20_MARK, DBGMD21_MARK, - /* FSI */ + /* FSI-A */ FSIAISLD_PORT0_MARK, /* FSIAISLD Port 0/5 */ FSIAISLD_PORT5_MARK, FSIASPDIF_PORT9_MARK, /* FSIASPDIF Port 9/18 */ @@ -178,6 +178,9 @@ enum { FSIAOBT_MARK, FSIAOSLD_MARK, FSIAOMC_MARK, FSIACK_MARK, FSIAILR_MARK, FSIAIBT_MARK, + /* FSI-B */ + FSIBCK_MARK, + /* FMSI */ FMSISLD_PORT1_MARK, /* FMSISLD Port 1/6 */ FMSISLD_PORT6_MARK, @@ -560,6 +563,9 @@ enum { /* SDENC */ SDENC_CPG_MARK, SDENC_DV_CLKI_MARK, + /* HDMI */ + HDMI_HPD_MARK, HDMI_CEC_MARK, + /* DEBUG */ EDEBGREQ_PULLUP_MARK, /* for JTAG */ EDEBGREQ_PULLDOWN_MARK, @@ -771,6 +777,7 @@ static pinmux_enum_t pinmux_data[] = { /* Port11 */ PINMUX_DATA(FSIACK_MARK, PORT11_FN1), + PINMUX_DATA(FSIBCK_MARK, PORT11_FN2), PINMUX_DATA(IRQ2_PORT11_MARK, PORT11_FN0, MSEL1CR_2_0), /* Port12 */ @@ -1254,7 +1261,7 @@ static pinmux_enum_t pinmux_data[] = { PINMUX_DATA(A21_MARK, PORT120_FN1), PINMUX_DATA(MSIOF0_RSYNC_MARK, PORT120_FN2), PINMUX_DATA(MSIOF1_TSYNC_PORT120_MARK, PORT120_FN3, MSEL4CR_10_0), - PINMUX_DATA(IRQ7_PORT120_MARK, PORT120_FN0, MSEL1CR_7_0), + PINMUX_DATA(IRQ7_PORT120_MARK, PORT120_FN0, MSEL1CR_7_1), /* Port121 */ PINMUX_DATA(A20_MARK, PORT121_FN1), @@ -1616,13 +1623,15 @@ static pinmux_enum_t pinmux_data[] = { /* Port209 */ PINMUX_DATA(VBUS_MARK, PORT209_FN1), - PINMUX_DATA(IRQ7_PORT209_MARK, PORT209_FN0, MSEL1CR_7_1), + PINMUX_DATA(IRQ7_PORT209_MARK, PORT209_FN0, MSEL1CR_7_0), /* Port210 */ PINMUX_DATA(IRQ9_PORT210_MARK, PORT210_FN0, MSEL1CR_9_1), + PINMUX_DATA(HDMI_HPD_MARK, PORT210_FN1), /* Port211 */ PINMUX_DATA(IRQ16_PORT211_MARK, PORT211_FN0, MSEL1CR_16_1), + PINMUX_DATA(HDMI_CEC_MARK, PORT211_FN1), /* LCDC select */ PINMUX_DATA(LCDC0_SELECT_MARK, MSEL3CR_6_0), @@ -1691,7 +1700,7 @@ static struct pinmux_gpio pinmux_gpios[] = { GPIO_FN(DBGMD10), GPIO_FN(DBGMD11), GPIO_FN(DBGMD20), GPIO_FN(DBGMD21), - /* FSI */ + /* FSI-A */ GPIO_FN(FSIAISLD_PORT0), /* FSIAISLD Port 0/5 */ GPIO_FN(FSIAISLD_PORT5), GPIO_FN(FSIASPDIF_PORT9), /* FSIASPDIF Port 9/18 */ @@ -1700,6 +1709,9 @@ static struct pinmux_gpio pinmux_gpios[] = { GPIO_FN(FSIAOBT), GPIO_FN(FSIAOSLD), GPIO_FN(FSIAOMC), GPIO_FN(FSIACK), GPIO_FN(FSIAILR), GPIO_FN(FSIAIBT), + /* FSI-B */ + GPIO_FN(FSIBCK), + /* FMSI */ GPIO_FN(FMSISLD_PORT1), /* FMSISLD Port 1/6 */ GPIO_FN(FMSISLD_PORT6), @@ -2097,6 +2109,10 @@ static struct pinmux_gpio pinmux_gpios[] = { GPIO_FN(SDENC_CPG), GPIO_FN(SDENC_DV_CLKI), + /* HDMI */ + GPIO_FN(HDMI_HPD), + GPIO_FN(HDMI_CEC), + /* SYSC */ GPIO_FN(RESETP_PULLUP), GPIO_FN(RESETP_PLAIN), diff --git a/arch/arm/mach-shmobile/pm-r8a7740.c b/arch/arm/mach-shmobile/pm-r8a7740.c new file mode 100644 index 0000000..893504d --- /dev/null +++ b/arch/arm/mach-shmobile/pm-r8a7740.c @@ -0,0 +1,54 @@ +/* + * r8a7740 power management support + * + * Copyright (C) 2012 Renesas Solutions Corp. + * Copyright (C) 2012 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ +#include <linux/console.h> +#include <mach/pm-rmobile.h> + +#ifdef CONFIG_PM +static int r8a7740_pd_a4s_suspend(void) +{ + /* + * The A4S domain contains the CPU core and therefore it should + * only be turned off if the CPU is in use. + */ + return -EBUSY; +} + +struct rmobile_pm_domain r8a7740_pd_a4s = { + .genpd.name = "A4S", + .bit_shift = 10, + .gov = &pm_domain_always_on_gov, + .no_debug = true, + .suspend = r8a7740_pd_a4s_suspend, +}; + +static int r8a7740_pd_a3sp_suspend(void) +{ + /* + * Serial consoles make use of SCIF hardware located in A3SP, + * keep such power domain on if "no_console_suspend" is set. + */ + return console_suspend_enabled ? 0 : -EBUSY; +} + +struct rmobile_pm_domain r8a7740_pd_a3sp = { + .genpd.name = "A3SP", + .bit_shift = 11, + .gov = &pm_domain_always_on_gov, + .no_debug = true, + .suspend = r8a7740_pd_a3sp_suspend, +}; + +struct rmobile_pm_domain r8a7740_pd_a4lc = { + .genpd.name = "A4LC", + .bit_shift = 1, +}; + +#endif /* CONFIG_PM */ diff --git a/arch/arm/mach-shmobile/pm-rmobile.c b/arch/arm/mach-shmobile/pm-rmobile.c new file mode 100644 index 0000000..a856254 --- /dev/null +++ b/arch/arm/mach-shmobile/pm-rmobile.c @@ -0,0 +1,167 @@ +/* + * rmobile power management support + * + * Copyright (C) 2012 Renesas Solutions Corp. + * Copyright (C) 2012 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> + * + * based on pm-sh7372.c + * Copyright (C) 2011 Magnus Damm + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ +#include <linux/console.h> +#include <linux/delay.h> +#include <linux/platform_device.h> +#include <linux/pm.h> +#include <linux/pm_clock.h> +#include <asm/io.h> +#include <mach/pm-rmobile.h> + +/* SYSC */ +#define SPDCR 0xe6180008 +#define SWUCR 0xe6180014 +#define PSTR 0xe6180080 + +#define PSTR_RETRIES 100 +#define PSTR_DELAY_US 10 + +#ifdef CONFIG_PM +static int rmobile_pd_power_down(struct generic_pm_domain *genpd) +{ + struct rmobile_pm_domain *rmobile_pd = to_rmobile_pd(genpd); + unsigned int mask = 1 << rmobile_pd->bit_shift; + + if (rmobile_pd->suspend) { + int ret = rmobile_pd->suspend(); + + if (ret) + return ret; + } + + if (__raw_readl(PSTR) & mask) { + unsigned int retry_count; + __raw_writel(mask, SPDCR); + + for (retry_count = PSTR_RETRIES; retry_count; retry_count--) { + if (!(__raw_readl(SPDCR) & mask)) + break; + cpu_relax(); + } + } + + if (!rmobile_pd->no_debug) + pr_debug("%s: Power off, 0x%08x -> PSTR = 0x%08x\n", + genpd->name, mask, __raw_readl(PSTR)); + + return 0; +} + +static int __rmobile_pd_power_up(struct rmobile_pm_domain *rmobile_pd, + bool do_resume) +{ + unsigned int mask = 1 << rmobile_pd->bit_shift; + unsigned int retry_count; + int ret = 0; + + if (__raw_readl(PSTR) & mask) + goto out; + + __raw_writel(mask, SWUCR); + + for (retry_count = 2 * PSTR_RETRIES; retry_count; retry_count--) { + if (!(__raw_readl(SWUCR) & mask)) + break; + if (retry_count > PSTR_RETRIES) + udelay(PSTR_DELAY_US); + else + cpu_relax(); + } + if (!retry_count) + ret = -EIO; + + if (!rmobile_pd->no_debug) + pr_debug("%s: Power on, 0x%08x -> PSTR = 0x%08x\n", + rmobile_pd->genpd.name, mask, __raw_readl(PSTR)); + +out: + if (ret == 0 && rmobile_pd->resume && do_resume) + rmobile_pd->resume(); + + return ret; +} + +static int rmobile_pd_power_up(struct generic_pm_domain *genpd) +{ + return __rmobile_pd_power_up(to_rmobile_pd(genpd), true); +} + +static bool rmobile_pd_active_wakeup(struct device *dev) +{ + bool (*active_wakeup)(struct device *dev); + + active_wakeup = dev_gpd_data(dev)->ops.active_wakeup; + return active_wakeup ? active_wakeup(dev) : true; +} + +static int rmobile_pd_stop_dev(struct device *dev) +{ + int (*stop)(struct device *dev); + + stop = dev_gpd_data(dev)->ops.stop; + if (stop) { + int ret = stop(dev); + if (ret) + return ret; + } + return pm_clk_suspend(dev); +} + +static int rmobile_pd_start_dev(struct device *dev) +{ + int (*start)(struct device *dev); + int ret; + + ret = pm_clk_resume(dev); + if (ret) + return ret; + + start = dev_gpd_data(dev)->ops.start; + if (start) + ret = start(dev); + + return ret; +} + +void rmobile_init_pm_domain(struct rmobile_pm_domain *rmobile_pd) +{ + struct generic_pm_domain *genpd = &rmobile_pd->genpd; + struct dev_power_governor *gov = rmobile_pd->gov; + + pm_genpd_init(genpd, gov ? : &simple_qos_governor, false); + genpd->dev_ops.stop = rmobile_pd_stop_dev; + genpd->dev_ops.start = rmobile_pd_start_dev; + genpd->dev_ops.active_wakeup = rmobile_pd_active_wakeup; + genpd->dev_irq_safe = true; + genpd->power_off = rmobile_pd_power_down; + genpd->power_on = rmobile_pd_power_up; + __rmobile_pd_power_up(rmobile_pd, false); +} + +void rmobile_add_device_to_domain(struct rmobile_pm_domain *rmobile_pd, + struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + + pm_genpd_add_device(&rmobile_pd->genpd, dev); + if (pm_clk_no_clocks(dev)) + pm_clk_add(dev, NULL); +} + +void rmobile_pm_add_subdomain(struct rmobile_pm_domain *rmobile_pd, + struct rmobile_pm_domain *rmobile_sd) +{ + pm_genpd_add_subdomain(&rmobile_pd->genpd, &rmobile_sd->genpd); +} +#endif /* CONFIG_PM */ diff --git a/arch/arm/mach-shmobile/pm-sh7372.c b/arch/arm/mach-shmobile/pm-sh7372.c index a3bdb12..7920370 100644 --- a/arch/arm/mach-shmobile/pm-sh7372.c +++ b/arch/arm/mach-shmobile/pm-sh7372.c @@ -26,6 +26,7 @@ #include <asm/suspend.h> #include <mach/common.h> #include <mach/sh7372.h> +#include <mach/pm-rmobile.h> /* DBG */ #define DBGREG1 0xe6100020 @@ -41,13 +42,10 @@ #define PLLC01STPCR 0xe61500c8 /* SYSC */ -#define SPDCR 0xe6180008 -#define SWUCR 0xe6180014 #define SBAR 0xe6180020 #define WUPRMSK 0xe6180028 #define WUPSMSK 0xe618002c #define WUPSMSK2 0xe6180048 -#define PSTR 0xe6180080 #define WUPSFAC 0xe6180098 #define IRQCR 0xe618022c #define IRQCR2 0xe6180238 @@ -71,188 +69,48 @@ /* AP-System Core */ #define APARMBAREA 0xe6f10020 -#define PSTR_RETRIES 100 -#define PSTR_DELAY_US 10 - #ifdef CONFIG_PM -static int pd_power_down(struct generic_pm_domain *genpd) -{ - struct sh7372_pm_domain *sh7372_pd = to_sh7372_pd(genpd); - unsigned int mask = 1 << sh7372_pd->bit_shift; - - if (sh7372_pd->suspend) { - int ret = sh7372_pd->suspend(); - - if (ret) - return ret; - } - - if (__raw_readl(PSTR) & mask) { - unsigned int retry_count; - - __raw_writel(mask, SPDCR); - - for (retry_count = PSTR_RETRIES; retry_count; retry_count--) { - if (!(__raw_readl(SPDCR) & mask)) - break; - cpu_relax(); - } - } - - if (!sh7372_pd->no_debug) - pr_debug("%s: Power off, 0x%08x -> PSTR = 0x%08x\n", - genpd->name, mask, __raw_readl(PSTR)); - - return 0; -} - -static int __pd_power_up(struct sh7372_pm_domain *sh7372_pd, bool do_resume) -{ - unsigned int mask = 1 << sh7372_pd->bit_shift; - unsigned int retry_count; - int ret = 0; - - if (__raw_readl(PSTR) & mask) - goto out; - - __raw_writel(mask, SWUCR); - - for (retry_count = 2 * PSTR_RETRIES; retry_count; retry_count--) { - if (!(__raw_readl(SWUCR) & mask)) - break; - if (retry_count > PSTR_RETRIES) - udelay(PSTR_DELAY_US); - else - cpu_relax(); - } - if (!retry_count) - ret = -EIO; - - if (!sh7372_pd->no_debug) - pr_debug("%s: Power on, 0x%08x -> PSTR = 0x%08x\n", - sh7372_pd->genpd.name, mask, __raw_readl(PSTR)); - - out: - if (ret == 0 && sh7372_pd->resume && do_resume) - sh7372_pd->resume(); - - return ret; -} - -static int pd_power_up(struct generic_pm_domain *genpd) -{ - return __pd_power_up(to_sh7372_pd(genpd), true); -} - -static int sh7372_a4r_suspend(void) -{ - sh7372_intcs_suspend(); - __raw_writel(0x300fffff, WUPRMSK); /* avoid wakeup */ - return 0; -} - -static bool pd_active_wakeup(struct device *dev) -{ - bool (*active_wakeup)(struct device *dev); - - active_wakeup = dev_gpd_data(dev)->ops.active_wakeup; - return active_wakeup ? active_wakeup(dev) : true; -} - -static int sh7372_stop_dev(struct device *dev) -{ - int (*stop)(struct device *dev); - - stop = dev_gpd_data(dev)->ops.stop; - if (stop) { - int ret = stop(dev); - if (ret) - return ret; - } - return pm_clk_suspend(dev); -} - -static int sh7372_start_dev(struct device *dev) -{ - int (*start)(struct device *dev); - int ret; - - ret = pm_clk_resume(dev); - if (ret) - return ret; - - start = dev_gpd_data(dev)->ops.start; - if (start) - ret = start(dev); - - return ret; -} - -void sh7372_init_pm_domain(struct sh7372_pm_domain *sh7372_pd) -{ - struct generic_pm_domain *genpd = &sh7372_pd->genpd; - struct dev_power_governor *gov = sh7372_pd->gov; - - pm_genpd_init(genpd, gov ? : &simple_qos_governor, false); - genpd->dev_ops.stop = sh7372_stop_dev; - genpd->dev_ops.start = sh7372_start_dev; - genpd->dev_ops.active_wakeup = pd_active_wakeup; - genpd->dev_irq_safe = true; - genpd->power_off = pd_power_down; - genpd->power_on = pd_power_up; - __pd_power_up(sh7372_pd, false); -} - -void sh7372_add_device_to_domain(struct sh7372_pm_domain *sh7372_pd, - struct platform_device *pdev) -{ - struct device *dev = &pdev->dev; - - pm_genpd_add_device(&sh7372_pd->genpd, dev); - if (pm_clk_no_clocks(dev)) - pm_clk_add(dev, NULL); -} - -void sh7372_pm_add_subdomain(struct sh7372_pm_domain *sh7372_pd, - struct sh7372_pm_domain *sh7372_sd) -{ - pm_genpd_add_subdomain(&sh7372_pd->genpd, &sh7372_sd->genpd); -} - -struct sh7372_pm_domain sh7372_a4lc = { +struct rmobile_pm_domain sh7372_pd_a4lc = { .genpd.name = "A4LC", .bit_shift = 1, }; -struct sh7372_pm_domain sh7372_a4mp = { +struct rmobile_pm_domain sh7372_pd_a4mp = { .genpd.name = "A4MP", .bit_shift = 2, }; -struct sh7372_pm_domain sh7372_d4 = { +struct rmobile_pm_domain sh7372_pd_d4 = { .genpd.name = "D4", .bit_shift = 3, }; -struct sh7372_pm_domain sh7372_a4r = { +static int sh7372_a4r_pd_suspend(void) +{ + sh7372_intcs_suspend(); + __raw_writel(0x300fffff, WUPRMSK); /* avoid wakeup */ + return 0; +} + +struct rmobile_pm_domain sh7372_pd_a4r = { .genpd.name = "A4R", .bit_shift = 5, - .suspend = sh7372_a4r_suspend, + .suspend = sh7372_a4r_pd_suspend, .resume = sh7372_intcs_resume, }; -struct sh7372_pm_domain sh7372_a3rv = { +struct rmobile_pm_domain sh7372_pd_a3rv = { .genpd.name = "A3RV", .bit_shift = 6, }; -struct sh7372_pm_domain sh7372_a3ri = { +struct rmobile_pm_domain sh7372_pd_a3ri = { .genpd.name = "A3RI", .bit_shift = 8, }; -static int sh7372_a4s_suspend(void) +static int sh7372_pd_a4s_suspend(void) { /* * The A4S domain contains the CPU core and therefore it should @@ -261,15 +119,15 @@ static int sh7372_a4s_suspend(void) return -EBUSY; } -struct sh7372_pm_domain sh7372_a4s = { +struct rmobile_pm_domain sh7372_pd_a4s = { .genpd.name = "A4S", .bit_shift = 10, .gov = &pm_domain_always_on_gov, .no_debug = true, - .suspend = sh7372_a4s_suspend, + .suspend = sh7372_pd_a4s_suspend, }; -static int sh7372_a3sp_suspend(void) +static int sh7372_a3sp_pd_suspend(void) { /* * Serial consoles make use of SCIF hardware located in A3SP, @@ -278,32 +136,22 @@ static int sh7372_a3sp_suspend(void) return console_suspend_enabled ? 0 : -EBUSY; } -struct sh7372_pm_domain sh7372_a3sp = { +struct rmobile_pm_domain sh7372_pd_a3sp = { .genpd.name = "A3SP", .bit_shift = 11, .gov = &pm_domain_always_on_gov, .no_debug = true, - .suspend = sh7372_a3sp_suspend, + .suspend = sh7372_a3sp_pd_suspend, }; -struct sh7372_pm_domain sh7372_a3sg = { +struct rmobile_pm_domain sh7372_pd_a3sg = { .genpd.name = "A3SG", .bit_shift = 13, }; -#else /* !CONFIG_PM */ - -static inline void sh7372_a3sp_init(void) {} - -#endif /* !CONFIG_PM */ +#endif /* CONFIG_PM */ #if defined(CONFIG_SUSPEND) || defined(CONFIG_CPU_IDLE) -static int sh7372_do_idle_core_standby(unsigned long unused) -{ - cpu_do_idle(); /* WFI when SYSTBCR == 0x10 -> Core Standby */ - return 0; -} - static void sh7372_set_reset_vector(unsigned long address) { /* set reset vector, translate 4k */ @@ -311,21 +159,6 @@ static void sh7372_set_reset_vector(unsigned long address) __raw_writel(0, APARMBAREA); } -static void sh7372_enter_core_standby(void) -{ - sh7372_set_reset_vector(__pa(sh7372_resume_core_standby_sysc)); - - /* enter sleep mode with SYSTBCR to 0x10 */ - __raw_writel(0x10, SYSTBCR); - cpu_suspend(0, sh7372_do_idle_core_standby); - __raw_writel(0, SYSTBCR); - - /* disable reset vector translation */ - __raw_writel(0, SBAR); -} -#endif - -#ifdef CONFIG_SUSPEND static void sh7372_enter_sysc(int pllc0_on, unsigned long sleep_mode) { if (pllc0_on) @@ -465,22 +298,42 @@ static void sh7372_setup_sysc(unsigned long msk, unsigned long msk2) static void sh7372_enter_a3sm_common(int pllc0_on) { + /* use INTCA together with SYSC for wakeup */ + sh7372_setup_sysc(1 << 0, 0); sh7372_set_reset_vector(__pa(sh7372_resume_core_standby_sysc)); sh7372_enter_sysc(pllc0_on, 1 << 12); } +#endif /* CONFIG_SUSPEND || CONFIG_CPU_IDLE */ -static void sh7372_enter_a4s_common(int pllc0_on) +#ifdef CONFIG_CPU_IDLE +static int sh7372_do_idle_core_standby(unsigned long unused) { - sh7372_intca_suspend(); - memcpy((void *)SMFRAM, sh7372_resume_core_standby_sysc, 0x100); - sh7372_set_reset_vector(SMFRAM); - sh7372_enter_sysc(pllc0_on, 1 << 10); - sh7372_intca_resume(); + cpu_do_idle(); /* WFI when SYSTBCR == 0x10 -> Core Standby */ + return 0; } -#endif +static void sh7372_enter_core_standby(void) +{ + sh7372_set_reset_vector(__pa(sh7372_resume_core_standby_sysc)); -#ifdef CONFIG_CPU_IDLE + /* enter sleep mode with SYSTBCR to 0x10 */ + __raw_writel(0x10, SYSTBCR); + cpu_suspend(0, sh7372_do_idle_core_standby); + __raw_writel(0, SYSTBCR); + + /* disable reset vector translation */ + __raw_writel(0, SBAR); +} + +static void sh7372_enter_a3sm_pll_on(void) +{ + sh7372_enter_a3sm_common(1); +} + +static void sh7372_enter_a3sm_pll_off(void) +{ + sh7372_enter_a3sm_common(0); +} static void sh7372_cpuidle_setup(struct cpuidle_driver *drv) { @@ -492,7 +345,24 @@ static void sh7372_cpuidle_setup(struct cpuidle_driver *drv) state->target_residency = 20 + 10; state->flags = CPUIDLE_FLAG_TIME_VALID; shmobile_cpuidle_modes[drv->state_count] = sh7372_enter_core_standby; + drv->state_count++; + + state = &drv->states[drv->state_count]; + snprintf(state->name, CPUIDLE_NAME_LEN, "C3"); + strncpy(state->desc, "A3SM PLL ON", CPUIDLE_DESC_LEN); + state->exit_latency = 20; + state->target_residency = 30 + 20; + state->flags = CPUIDLE_FLAG_TIME_VALID; + shmobile_cpuidle_modes[drv->state_count] = sh7372_enter_a3sm_pll_on; + drv->state_count++; + state = &drv->states[drv->state_count]; + snprintf(state->name, CPUIDLE_NAME_LEN, "C4"); + strncpy(state->desc, "A3SM PLL OFF", CPUIDLE_DESC_LEN); + state->exit_latency = 120; + state->target_residency = 30 + 120; + state->flags = CPUIDLE_FLAG_TIME_VALID; + shmobile_cpuidle_modes[drv->state_count] = sh7372_enter_a3sm_pll_off; drv->state_count++; } @@ -505,6 +375,14 @@ static void sh7372_cpuidle_init(void) {} #endif #ifdef CONFIG_SUSPEND +static void sh7372_enter_a4s_common(int pllc0_on) +{ + sh7372_intca_suspend(); + memcpy((void *)SMFRAM, sh7372_resume_core_standby_sysc, 0x100); + sh7372_set_reset_vector(SMFRAM); + sh7372_enter_sysc(pllc0_on, 1 << 10); + sh7372_intca_resume(); +} static int sh7372_enter_suspend(suspend_state_t suspend_state) { @@ -512,24 +390,21 @@ static int sh7372_enter_suspend(suspend_state_t suspend_state) /* check active clocks to determine potential wakeup sources */ if (sh7372_sysc_valid(&msk, &msk2)) { - /* convert INTC mask and sense to SYSC mask and sense */ - sh7372_setup_sysc(msk, msk2); - if (!console_suspend_enabled && - sh7372_a4s.genpd.status == GPD_STATE_POWER_OFF) { + sh7372_pd_a4s.genpd.status == GPD_STATE_POWER_OFF) { + /* convert INTC mask/sense to SYSC mask/sense */ + sh7372_setup_sysc(msk, msk2); + /* enter A4S sleep with PLLC0 off */ pr_debug("entering A4S\n"); sh7372_enter_a4s_common(0); - } else { - /* enter A3SM sleep with PLLC0 off */ - pr_debug("entering A3SM\n"); - sh7372_enter_a3sm_common(0); + return 0; } - } else { - /* default to Core Standby that supports all wakeup sources */ - pr_debug("entering Core Standby\n"); - sh7372_enter_core_standby(); } + + /* default to enter A3SM sleep with PLLC0 off */ + pr_debug("entering A3SM\n"); + sh7372_enter_a3sm_common(0); return 0; } @@ -550,7 +425,7 @@ static int sh7372_pm_notifier_fn(struct notifier_block *notifier, * executed during system suspend and resume, respectively, so * that those functions don't crash while accessing the INTCS. */ - pm_genpd_poweron(&sh7372_a4r.genpd); + pm_genpd_poweron(&sh7372_pd_a4r.genpd); break; case PM_POST_SUSPEND: pm_genpd_poweroff_unused(); diff --git a/arch/arm/mach-shmobile/setup-r8a7740.c b/arch/arm/mach-shmobile/setup-r8a7740.c index ec4eb49..78948a9 100644 --- a/arch/arm/mach-shmobile/setup-r8a7740.c +++ b/arch/arm/mach-shmobile/setup-r8a7740.c @@ -23,9 +23,14 @@ #include <linux/init.h> #include <linux/io.h> #include <linux/platform_device.h> +#include <linux/of_platform.h> #include <linux/serial_sci.h> +#include <linux/sh_dma.h> #include <linux/sh_timer.h> +#include <linux/dma-mapping.h> +#include <mach/dma-register.h> #include <mach/r8a7740.h> +#include <mach/pm-rmobile.h> #include <mach/common.h> #include <mach/irqs.h> #include <asm/mach-types.h> @@ -276,6 +281,272 @@ static struct platform_device *r8a7740_early_devices[] __initdata = { &cmt10_device, }; +/* DMA */ +static const struct sh_dmae_slave_config r8a7740_dmae_slaves[] = { + { + .slave_id = SHDMA_SLAVE_SDHI0_TX, + .addr = 0xe6850030, + .chcr = CHCR_TX(XMIT_SZ_16BIT), + .mid_rid = 0xc1, + }, { + .slave_id = SHDMA_SLAVE_SDHI0_RX, + .addr = 0xe6850030, + .chcr = CHCR_RX(XMIT_SZ_16BIT), + .mid_rid = 0xc2, + }, { + .slave_id = SHDMA_SLAVE_SDHI1_TX, + .addr = 0xe6860030, + .chcr = CHCR_TX(XMIT_SZ_16BIT), + .mid_rid = 0xc9, + }, { + .slave_id = SHDMA_SLAVE_SDHI1_RX, + .addr = 0xe6860030, + .chcr = CHCR_RX(XMIT_SZ_16BIT), + .mid_rid = 0xca, + }, { + .slave_id = SHDMA_SLAVE_SDHI2_TX, + .addr = 0xe6870030, + .chcr = CHCR_TX(XMIT_SZ_16BIT), + .mid_rid = 0xcd, + }, { + .slave_id = SHDMA_SLAVE_SDHI2_RX, + .addr = 0xe6870030, + .chcr = CHCR_RX(XMIT_SZ_16BIT), + .mid_rid = 0xce, + }, { + .slave_id = SHDMA_SLAVE_FSIA_TX, + .addr = 0xfe1f0024, + .chcr = CHCR_TX(XMIT_SZ_32BIT), + .mid_rid = 0xb1, + }, { + .slave_id = SHDMA_SLAVE_FSIA_RX, + .addr = 0xfe1f0020, + .chcr = CHCR_RX(XMIT_SZ_32BIT), + .mid_rid = 0xb2, + }, { + .slave_id = SHDMA_SLAVE_FSIB_TX, + .addr = 0xfe1f0064, + .chcr = CHCR_TX(XMIT_SZ_32BIT), + .mid_rid = 0xb5, + }, +}; + +#define DMA_CHANNEL(a, b, c) \ +{ \ + .offset = a, \ + .dmars = b, \ + .dmars_bit = c, \ + .chclr_offset = (0x220 - 0x20) + a \ +} + +static const struct sh_dmae_channel r8a7740_dmae_channels[] = { + DMA_CHANNEL(0x00, 0, 0), + DMA_CHANNEL(0x10, 0, 8), + DMA_CHANNEL(0x20, 4, 0), + DMA_CHANNEL(0x30, 4, 8), + DMA_CHANNEL(0x50, 8, 0), + DMA_CHANNEL(0x60, 8, 8), +}; + +static struct sh_dmae_pdata dma_platform_data = { + .slave = r8a7740_dmae_slaves, + .slave_num = ARRAY_SIZE(r8a7740_dmae_slaves), + .channel = r8a7740_dmae_channels, + .channel_num = ARRAY_SIZE(r8a7740_dmae_channels), + .ts_low_shift = TS_LOW_SHIFT, + .ts_low_mask = TS_LOW_BIT << TS_LOW_SHIFT, + .ts_high_shift = TS_HI_SHIFT, + .ts_high_mask = TS_HI_BIT << TS_HI_SHIFT, + .ts_shift = dma_ts_shift, + .ts_shift_num = ARRAY_SIZE(dma_ts_shift), + .dmaor_init = DMAOR_DME, + .chclr_present = 1, +}; + +/* Resource order important! */ +static struct resource r8a7740_dmae0_resources[] = { + { + /* Channel registers and DMAOR */ + .start = 0xfe008020, + .end = 0xfe00828f, + .flags = IORESOURCE_MEM, + }, + { + /* DMARSx */ + .start = 0xfe009000, + .end = 0xfe00900b, + .flags = IORESOURCE_MEM, + }, + { + .name = "error_irq", + .start = evt2irq(0x20c0), + .end = evt2irq(0x20c0), + .flags = IORESOURCE_IRQ, + }, + { + /* IRQ for channels 0-5 */ + .start = evt2irq(0x2000), + .end = evt2irq(0x20a0), + .flags = IORESOURCE_IRQ, + }, +}; + +/* Resource order important! */ +static struct resource r8a7740_dmae1_resources[] = { + { + /* Channel registers and DMAOR */ + .start = 0xfe018020, + .end = 0xfe01828f, + .flags = IORESOURCE_MEM, + }, + { + /* DMARSx */ + .start = 0xfe019000, + .end = 0xfe01900b, + .flags = IORESOURCE_MEM, + }, + { + .name = "error_irq", + .start = evt2irq(0x21c0), + .end = evt2irq(0x21c0), + .flags = IORESOURCE_IRQ, + }, + { + /* IRQ for channels 0-5 */ + .start = evt2irq(0x2100), + .end = evt2irq(0x21a0), + .flags = IORESOURCE_IRQ, + }, +}; + +/* Resource order important! */ +static struct resource r8a7740_dmae2_resources[] = { + { + /* Channel registers and DMAOR */ + .start = 0xfe028020, + .end = 0xfe02828f, + .flags = IORESOURCE_MEM, + }, + { + /* DMARSx */ + .start = 0xfe029000, + .end = 0xfe02900b, + .flags = IORESOURCE_MEM, + }, + { + .name = "error_irq", + .start = evt2irq(0x22c0), + .end = evt2irq(0x22c0), + .flags = IORESOURCE_IRQ, + }, + { + /* IRQ for channels 0-5 */ + .start = evt2irq(0x2200), + .end = evt2irq(0x22a0), + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device dma0_device = { + .name = "sh-dma-engine", + .id = 0, + .resource = r8a7740_dmae0_resources, + .num_resources = ARRAY_SIZE(r8a7740_dmae0_resources), + .dev = { + .platform_data = &dma_platform_data, + }, +}; + +static struct platform_device dma1_device = { + .name = "sh-dma-engine", + .id = 1, + .resource = r8a7740_dmae1_resources, + .num_resources = ARRAY_SIZE(r8a7740_dmae1_resources), + .dev = { + .platform_data = &dma_platform_data, + }, +}; + +static struct platform_device dma2_device = { + .name = "sh-dma-engine", + .id = 2, + .resource = r8a7740_dmae2_resources, + .num_resources = ARRAY_SIZE(r8a7740_dmae2_resources), + .dev = { + .platform_data = &dma_platform_data, + }, +}; + +/* USB-DMAC */ +static const struct sh_dmae_channel r8a7740_usb_dma_channels[] = { + { + .offset = 0, + }, { + .offset = 0x20, + }, +}; + +static const struct sh_dmae_slave_config r8a7740_usb_dma_slaves[] = { + { + .slave_id = SHDMA_SLAVE_USBHS_TX, + .chcr = USBTS_INDEX2VAL(USBTS_XMIT_SZ_8BYTE), + }, { + .slave_id = SHDMA_SLAVE_USBHS_RX, + .chcr = USBTS_INDEX2VAL(USBTS_XMIT_SZ_8BYTE), + }, +}; + +static struct sh_dmae_pdata usb_dma_platform_data = { + .slave = r8a7740_usb_dma_slaves, + .slave_num = ARRAY_SIZE(r8a7740_usb_dma_slaves), + .channel = r8a7740_usb_dma_channels, + .channel_num = ARRAY_SIZE(r8a7740_usb_dma_channels), + .ts_low_shift = USBTS_LOW_SHIFT, + .ts_low_mask = USBTS_LOW_BIT << USBTS_LOW_SHIFT, + .ts_high_shift = USBTS_HI_SHIFT, + .ts_high_mask = USBTS_HI_BIT << USBTS_HI_SHIFT, + .ts_shift = dma_usbts_shift, + .ts_shift_num = ARRAY_SIZE(dma_usbts_shift), + .dmaor_init = DMAOR_DME, + .chcr_offset = 0x14, + .chcr_ie_bit = 1 << 5, + .dmaor_is_32bit = 1, + .needs_tend_set = 1, + .no_dmars = 1, + .slave_only = 1, +}; + +static struct resource r8a7740_usb_dma_resources[] = { + { + /* Channel registers and DMAOR */ + .start = 0xe68a0020, + .end = 0xe68a0064 - 1, + .flags = IORESOURCE_MEM, + }, + { + /* VCR/SWR/DMICR */ + .start = 0xe68a0000, + .end = 0xe68a0014 - 1, + .flags = IORESOURCE_MEM, + }, + { + /* IRQ for channels */ + .start = evt2irq(0x0a00), + .end = evt2irq(0x0a00), + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device usb_dma_device = { + .name = "sh-dma-engine", + .id = 3, + .resource = r8a7740_usb_dma_resources, + .num_resources = ARRAY_SIZE(r8a7740_usb_dma_resources), + .dev = { + .platform_data = &usb_dma_platform_data, + }, +}; + /* I2C */ static struct resource i2c0_resources[] = { [0] = { @@ -322,8 +593,30 @@ static struct platform_device i2c1_device = { static struct platform_device *r8a7740_late_devices[] __initdata = { &i2c0_device, &i2c1_device, + &dma0_device, + &dma1_device, + &dma2_device, + &usb_dma_device, }; +/* + * r8a7740 chip has lasting errata on MERAM buffer. + * this is work-around for it. + * see + * "Media RAM (MERAM)" on r8a7740 documentation + */ +#define MEBUFCNTR 0xFE950098 +void r8a7740_meram_workaround(void) +{ + void __iomem *reg; + + reg = ioremap_nocache(MEBUFCNTR, 4); + if (reg) { + iowrite32(0x01600164, reg); + iounmap(reg); + } +} + #define ICCR 0x0004 #define ICSTART 0x0070 @@ -380,10 +673,31 @@ void __init r8a7740_add_standard_devices(void) r8a7740_i2c_workaround(&i2c0_device); r8a7740_i2c_workaround(&i2c1_device); + /* PM domain */ + rmobile_init_pm_domain(&r8a7740_pd_a4s); + rmobile_init_pm_domain(&r8a7740_pd_a3sp); + rmobile_init_pm_domain(&r8a7740_pd_a4lc); + + rmobile_pm_add_subdomain(&r8a7740_pd_a4s, &r8a7740_pd_a3sp); + + /* add devices */ platform_add_devices(r8a7740_early_devices, ARRAY_SIZE(r8a7740_early_devices)); platform_add_devices(r8a7740_late_devices, ARRAY_SIZE(r8a7740_late_devices)); + + /* add devices to PM domain */ + + rmobile_add_device_to_domain(&r8a7740_pd_a3sp, &scif0_device); + rmobile_add_device_to_domain(&r8a7740_pd_a3sp, &scif1_device); + rmobile_add_device_to_domain(&r8a7740_pd_a3sp, &scif2_device); + rmobile_add_device_to_domain(&r8a7740_pd_a3sp, &scif3_device); + rmobile_add_device_to_domain(&r8a7740_pd_a3sp, &scif4_device); + rmobile_add_device_to_domain(&r8a7740_pd_a3sp, &scif5_device); + rmobile_add_device_to_domain(&r8a7740_pd_a3sp, &scif6_device); + rmobile_add_device_to_domain(&r8a7740_pd_a3sp, &scif7_device); + rmobile_add_device_to_domain(&r8a7740_pd_a3sp, &scifb_device); + rmobile_add_device_to_domain(&r8a7740_pd_a3sp, &i2c1_device); } static void __init r8a7740_earlytimer_init(void) @@ -403,3 +717,49 @@ void __init r8a7740_add_early_devices(void) /* override timer setup with soc-specific code */ shmobile_timer.init = r8a7740_earlytimer_init; } + +#ifdef CONFIG_USE_OF + +void __init r8a7740_add_early_devices_dt(void) +{ + shmobile_setup_delay(800, 1, 3); /* Cortex-A9 @ 800MHz */ + + early_platform_add_devices(r8a7740_early_devices, + ARRAY_SIZE(r8a7740_early_devices)); + + /* setup early console here as well */ + shmobile_setup_console(); +} + +static const struct of_dev_auxdata r8a7740_auxdata_lookup[] __initconst = { + { } +}; + +void __init r8a7740_add_standard_devices_dt(void) +{ + /* clocks are setup late during boot in the case of DT */ + r8a7740_clock_init(0); + + platform_add_devices(r8a7740_early_devices, + ARRAY_SIZE(r8a7740_early_devices)); + + of_platform_populate(NULL, of_default_bus_match_table, + r8a7740_auxdata_lookup, NULL); +} + +static const char *r8a7740_boards_compat_dt[] __initdata = { + "renesas,r8a7740", + NULL, +}; + +DT_MACHINE_START(SH7372_DT, "Generic R8A7740 (Flattened Device Tree)") + .map_io = r8a7740_map_io, + .init_early = r8a7740_add_early_devices_dt, + .init_irq = r8a7740_init_irq, + .handle_irq = shmobile_handle_irq_intc, + .init_machine = r8a7740_add_standard_devices_dt, + .timer = &shmobile_timer, + .dt_compat = r8a7740_boards_compat_dt, +MACHINE_END + +#endif /* CONFIG_USE_OF */ diff --git a/arch/arm/mach-shmobile/setup-sh7372.c b/arch/arm/mach-shmobile/setup-sh7372.c index fafce9c..838a87b 100644 --- a/arch/arm/mach-shmobile/setup-sh7372.c +++ b/arch/arm/mach-shmobile/setup-sh7372.c @@ -33,6 +33,7 @@ #include <linux/sh_timer.h> #include <linux/pm_domain.h> #include <linux/dma-mapping.h> +#include <mach/dma-register.h> #include <mach/hardware.h> #include <mach/irqs.h> #include <mach/sh7372.h> @@ -335,151 +336,126 @@ static struct platform_device iic1_device = { }; /* DMA */ -/* Transmit sizes and respective CHCR register values */ -enum { - XMIT_SZ_8BIT = 0, - XMIT_SZ_16BIT = 1, - XMIT_SZ_32BIT = 2, - XMIT_SZ_64BIT = 7, - XMIT_SZ_128BIT = 3, - XMIT_SZ_256BIT = 4, - XMIT_SZ_512BIT = 5, -}; - -/* log2(size / 8) - used to calculate number of transfers */ -#define TS_SHIFT { \ - [XMIT_SZ_8BIT] = 0, \ - [XMIT_SZ_16BIT] = 1, \ - [XMIT_SZ_32BIT] = 2, \ - [XMIT_SZ_64BIT] = 3, \ - [XMIT_SZ_128BIT] = 4, \ - [XMIT_SZ_256BIT] = 5, \ - [XMIT_SZ_512BIT] = 6, \ -} - -#define TS_INDEX2VAL(i) ((((i) & 3) << 3) | \ - (((i) & 0xc) << (20 - 2))) - static const struct sh_dmae_slave_config sh7372_dmae_slaves[] = { { .slave_id = SHDMA_SLAVE_SCIF0_TX, .addr = 0xe6c40020, - .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT), + .chcr = CHCR_TX(XMIT_SZ_8BIT), .mid_rid = 0x21, }, { .slave_id = SHDMA_SLAVE_SCIF0_RX, .addr = 0xe6c40024, - .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT), + .chcr = CHCR_RX(XMIT_SZ_8BIT), .mid_rid = 0x22, }, { .slave_id = SHDMA_SLAVE_SCIF1_TX, .addr = 0xe6c50020, - .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT), + .chcr = CHCR_TX(XMIT_SZ_8BIT), .mid_rid = 0x25, }, { .slave_id = SHDMA_SLAVE_SCIF1_RX, .addr = 0xe6c50024, - .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT), + .chcr = CHCR_RX(XMIT_SZ_8BIT), .mid_rid = 0x26, }, { .slave_id = SHDMA_SLAVE_SCIF2_TX, .addr = 0xe6c60020, - .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT), + .chcr = CHCR_TX(XMIT_SZ_8BIT), .mid_rid = 0x29, }, { .slave_id = SHDMA_SLAVE_SCIF2_RX, .addr = 0xe6c60024, - .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT), + .chcr = CHCR_RX(XMIT_SZ_8BIT), .mid_rid = 0x2a, }, { .slave_id = SHDMA_SLAVE_SCIF3_TX, .addr = 0xe6c70020, - .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT), + .chcr = CHCR_TX(XMIT_SZ_8BIT), .mid_rid = 0x2d, }, { .slave_id = SHDMA_SLAVE_SCIF3_RX, .addr = 0xe6c70024, - .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT), + .chcr = CHCR_RX(XMIT_SZ_8BIT), .mid_rid = 0x2e, }, { .slave_id = SHDMA_SLAVE_SCIF4_TX, .addr = 0xe6c80020, - .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT), + .chcr = CHCR_TX(XMIT_SZ_8BIT), .mid_rid = 0x39, }, { .slave_id = SHDMA_SLAVE_SCIF4_RX, .addr = 0xe6c80024, - .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT), + .chcr = CHCR_RX(XMIT_SZ_8BIT), .mid_rid = 0x3a, }, { .slave_id = SHDMA_SLAVE_SCIF5_TX, .addr = 0xe6cb0020, - .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT), + .chcr = CHCR_TX(XMIT_SZ_8BIT), .mid_rid = 0x35, }, { .slave_id = SHDMA_SLAVE_SCIF5_RX, .addr = 0xe6cb0024, - .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT), + .chcr = CHCR_RX(XMIT_SZ_8BIT), .mid_rid = 0x36, }, { .slave_id = SHDMA_SLAVE_SCIF6_TX, .addr = 0xe6c30040, - .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT), + .chcr = CHCR_TX(XMIT_SZ_8BIT), .mid_rid = 0x3d, }, { .slave_id = SHDMA_SLAVE_SCIF6_RX, .addr = 0xe6c30060, - .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT), + .chcr = CHCR_RX(XMIT_SZ_8BIT), .mid_rid = 0x3e, }, { .slave_id = SHDMA_SLAVE_SDHI0_TX, .addr = 0xe6850030, - .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_16BIT), + .chcr = CHCR_TX(XMIT_SZ_16BIT), .mid_rid = 0xc1, }, { .slave_id = SHDMA_SLAVE_SDHI0_RX, .addr = 0xe6850030, - .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_16BIT), + .chcr = CHCR_RX(XMIT_SZ_16BIT), .mid_rid = 0xc2, }, { .slave_id = SHDMA_SLAVE_SDHI1_TX, .addr = 0xe6860030, - .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_16BIT), + .chcr = CHCR_TX(XMIT_SZ_16BIT), .mid_rid = 0xc9, }, { .slave_id = SHDMA_SLAVE_SDHI1_RX, .addr = 0xe6860030, - .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_16BIT), + .chcr = CHCR_RX(XMIT_SZ_16BIT), .mid_rid = 0xca, }, { .slave_id = SHDMA_SLAVE_SDHI2_TX, .addr = 0xe6870030, - .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_16BIT), + .chcr = CHCR_TX(XMIT_SZ_16BIT), .mid_rid = 0xcd, }, { .slave_id = SHDMA_SLAVE_SDHI2_RX, .addr = 0xe6870030, - .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_16BIT), + .chcr = CHCR_RX(XMIT_SZ_16BIT), .mid_rid = 0xce, }, { .slave_id = SHDMA_SLAVE_FSIA_TX, .addr = 0xfe1f0024, - .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_32BIT), + .chcr = CHCR_TX(XMIT_SZ_32BIT), .mid_rid = 0xb1, }, { .slave_id = SHDMA_SLAVE_FSIA_RX, .addr = 0xfe1f0020, - .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_32BIT), + .chcr = CHCR_RX(XMIT_SZ_32BIT), .mid_rid = 0xb2, }, { .slave_id = SHDMA_SLAVE_MMCIF_TX, .addr = 0xe6bd0034, - .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_32BIT), + .chcr = CHCR_TX(XMIT_SZ_32BIT), .mid_rid = 0xd1, }, { .slave_id = SHDMA_SLAVE_MMCIF_RX, .addr = 0xe6bd0034, - .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_32BIT), + .chcr = CHCR_RX(XMIT_SZ_32BIT), .mid_rid = 0xd2, }, }; @@ -520,19 +496,17 @@ static const struct sh_dmae_channel sh7372_dmae_channels[] = { } }; -static const unsigned int ts_shift[] = TS_SHIFT; - static struct sh_dmae_pdata dma_platform_data = { .slave = sh7372_dmae_slaves, .slave_num = ARRAY_SIZE(sh7372_dmae_slaves), .channel = sh7372_dmae_channels, .channel_num = ARRAY_SIZE(sh7372_dmae_channels), - .ts_low_shift = 3, - .ts_low_mask = 0x18, - .ts_high_shift = (20 - 2), /* 2 bits for shifted low TS */ - .ts_high_mask = 0x00300000, - .ts_shift = ts_shift, - .ts_shift_num = ARRAY_SIZE(ts_shift), + .ts_low_shift = TS_LOW_SHIFT, + .ts_low_mask = TS_LOW_BIT << TS_LOW_SHIFT, + .ts_high_shift = TS_HI_SHIFT, + .ts_high_mask = TS_HI_BIT << TS_HI_SHIFT, + .ts_shift = dma_ts_shift, + .ts_shift_num = ARRAY_SIZE(dma_ts_shift), .dmaor_init = DMAOR_DME, .chclr_present = 1, }; @@ -654,17 +628,6 @@ static struct platform_device dma2_device = { /* * USB-DMAC */ - -unsigned int usbts_shift[] = {3, 4, 5}; - -enum { - XMIT_SZ_8BYTE = 0, - XMIT_SZ_16BYTE = 1, - XMIT_SZ_32BYTE = 2, -}; - -#define USBTS_INDEX2VAL(i) (((i) & 3) << 6) - static const struct sh_dmae_channel sh7372_usb_dmae_channels[] = { { .offset = 0, @@ -677,10 +640,10 @@ static const struct sh_dmae_channel sh7372_usb_dmae_channels[] = { static const struct sh_dmae_slave_config sh7372_usb_dmae0_slaves[] = { { .slave_id = SHDMA_SLAVE_USB0_TX, - .chcr = USBTS_INDEX2VAL(XMIT_SZ_8BYTE), + .chcr = USBTS_INDEX2VAL(USBTS_XMIT_SZ_8BYTE), }, { .slave_id = SHDMA_SLAVE_USB0_RX, - .chcr = USBTS_INDEX2VAL(XMIT_SZ_8BYTE), + .chcr = USBTS_INDEX2VAL(USBTS_XMIT_SZ_8BYTE), }, }; @@ -689,12 +652,12 @@ static struct sh_dmae_pdata usb_dma0_platform_data = { .slave_num = ARRAY_SIZE(sh7372_usb_dmae0_slaves), .channel = sh7372_usb_dmae_channels, .channel_num = ARRAY_SIZE(sh7372_usb_dmae_channels), - .ts_low_shift = 6, - .ts_low_mask = 0xc0, - .ts_high_shift = 0, - .ts_high_mask = 0, - .ts_shift = usbts_shift, - .ts_shift_num = ARRAY_SIZE(usbts_shift), + .ts_low_shift = USBTS_LOW_SHIFT, + .ts_low_mask = USBTS_LOW_BIT << USBTS_LOW_SHIFT, + .ts_high_shift = USBTS_HI_SHIFT, + .ts_high_mask = USBTS_HI_BIT << USBTS_HI_SHIFT, + .ts_shift = dma_usbts_shift, + .ts_shift_num = ARRAY_SIZE(dma_usbts_shift), .dmaor_init = DMAOR_DME, .chcr_offset = 0x14, .chcr_ie_bit = 1 << 5, @@ -739,10 +702,10 @@ static struct platform_device usb_dma0_device = { static const struct sh_dmae_slave_config sh7372_usb_dmae1_slaves[] = { { .slave_id = SHDMA_SLAVE_USB1_TX, - .chcr = USBTS_INDEX2VAL(XMIT_SZ_8BYTE), + .chcr = USBTS_INDEX2VAL(USBTS_XMIT_SZ_8BYTE), }, { .slave_id = SHDMA_SLAVE_USB1_RX, - .chcr = USBTS_INDEX2VAL(XMIT_SZ_8BYTE), + .chcr = USBTS_INDEX2VAL(USBTS_XMIT_SZ_8BYTE), }, }; @@ -751,12 +714,12 @@ static struct sh_dmae_pdata usb_dma1_platform_data = { .slave_num = ARRAY_SIZE(sh7372_usb_dmae1_slaves), .channel = sh7372_usb_dmae_channels, .channel_num = ARRAY_SIZE(sh7372_usb_dmae_channels), - .ts_low_shift = 6, - .ts_low_mask = 0xc0, - .ts_high_shift = 0, - .ts_high_mask = 0, - .ts_shift = usbts_shift, - .ts_shift_num = ARRAY_SIZE(usbts_shift), + .ts_low_shift = USBTS_LOW_SHIFT, + .ts_low_mask = USBTS_LOW_BIT << USBTS_LOW_SHIFT, + .ts_high_shift = USBTS_HI_SHIFT, + .ts_high_mask = USBTS_HI_BIT << USBTS_HI_SHIFT, + .ts_shift = dma_usbts_shift, + .ts_shift_num = ARRAY_SIZE(dma_usbts_shift), .dmaor_init = DMAOR_DME, .chcr_offset = 0x14, .chcr_ie_bit = 1 << 5, @@ -1038,21 +1001,21 @@ static struct platform_device *sh7372_late_devices[] __initdata = { void __init sh7372_add_standard_devices(void) { - sh7372_init_pm_domain(&sh7372_a4lc); - sh7372_init_pm_domain(&sh7372_a4mp); - sh7372_init_pm_domain(&sh7372_d4); - sh7372_init_pm_domain(&sh7372_a4r); - sh7372_init_pm_domain(&sh7372_a3rv); - sh7372_init_pm_domain(&sh7372_a3ri); - sh7372_init_pm_domain(&sh7372_a4s); - sh7372_init_pm_domain(&sh7372_a3sp); - sh7372_init_pm_domain(&sh7372_a3sg); - - sh7372_pm_add_subdomain(&sh7372_a4lc, &sh7372_a3rv); - sh7372_pm_add_subdomain(&sh7372_a4r, &sh7372_a4lc); - - sh7372_pm_add_subdomain(&sh7372_a4s, &sh7372_a3sg); - sh7372_pm_add_subdomain(&sh7372_a4s, &sh7372_a3sp); + rmobile_init_pm_domain(&sh7372_pd_a4lc); + rmobile_init_pm_domain(&sh7372_pd_a4mp); + rmobile_init_pm_domain(&sh7372_pd_d4); + rmobile_init_pm_domain(&sh7372_pd_a4r); + rmobile_init_pm_domain(&sh7372_pd_a3rv); + rmobile_init_pm_domain(&sh7372_pd_a3ri); + rmobile_init_pm_domain(&sh7372_pd_a4s); + rmobile_init_pm_domain(&sh7372_pd_a3sp); + rmobile_init_pm_domain(&sh7372_pd_a3sg); + + rmobile_pm_add_subdomain(&sh7372_pd_a4lc, &sh7372_pd_a3rv); + rmobile_pm_add_subdomain(&sh7372_pd_a4r, &sh7372_pd_a4lc); + + rmobile_pm_add_subdomain(&sh7372_pd_a4s, &sh7372_pd_a3sg); + rmobile_pm_add_subdomain(&sh7372_pd_a4s, &sh7372_pd_a3sp); platform_add_devices(sh7372_early_devices, ARRAY_SIZE(sh7372_early_devices)); @@ -1060,30 +1023,30 @@ void __init sh7372_add_standard_devices(void) platform_add_devices(sh7372_late_devices, ARRAY_SIZE(sh7372_late_devices)); - sh7372_add_device_to_domain(&sh7372_a3rv, &vpu_device); - sh7372_add_device_to_domain(&sh7372_a4mp, &spu0_device); - sh7372_add_device_to_domain(&sh7372_a4mp, &spu1_device); - sh7372_add_device_to_domain(&sh7372_a3sp, &scif0_device); - sh7372_add_device_to_domain(&sh7372_a3sp, &scif1_device); - sh7372_add_device_to_domain(&sh7372_a3sp, &scif2_device); - sh7372_add_device_to_domain(&sh7372_a3sp, &scif3_device); - sh7372_add_device_to_domain(&sh7372_a3sp, &scif4_device); - sh7372_add_device_to_domain(&sh7372_a3sp, &scif5_device); - sh7372_add_device_to_domain(&sh7372_a3sp, &scif6_device); - sh7372_add_device_to_domain(&sh7372_a3sp, &iic1_device); - sh7372_add_device_to_domain(&sh7372_a3sp, &dma0_device); - sh7372_add_device_to_domain(&sh7372_a3sp, &dma1_device); - sh7372_add_device_to_domain(&sh7372_a3sp, &dma2_device); - sh7372_add_device_to_domain(&sh7372_a3sp, &usb_dma0_device); - sh7372_add_device_to_domain(&sh7372_a3sp, &usb_dma1_device); - sh7372_add_device_to_domain(&sh7372_a4r, &iic0_device); - sh7372_add_device_to_domain(&sh7372_a4r, &veu0_device); - sh7372_add_device_to_domain(&sh7372_a4r, &veu1_device); - sh7372_add_device_to_domain(&sh7372_a4r, &veu2_device); - sh7372_add_device_to_domain(&sh7372_a4r, &veu3_device); - sh7372_add_device_to_domain(&sh7372_a4r, &jpu_device); - sh7372_add_device_to_domain(&sh7372_a4r, &tmu00_device); - sh7372_add_device_to_domain(&sh7372_a4r, &tmu01_device); + rmobile_add_device_to_domain(&sh7372_pd_a3rv, &vpu_device); + rmobile_add_device_to_domain(&sh7372_pd_a4mp, &spu0_device); + rmobile_add_device_to_domain(&sh7372_pd_a4mp, &spu1_device); + rmobile_add_device_to_domain(&sh7372_pd_a3sp, &scif0_device); + rmobile_add_device_to_domain(&sh7372_pd_a3sp, &scif1_device); + rmobile_add_device_to_domain(&sh7372_pd_a3sp, &scif2_device); + rmobile_add_device_to_domain(&sh7372_pd_a3sp, &scif3_device); + rmobile_add_device_to_domain(&sh7372_pd_a3sp, &scif4_device); + rmobile_add_device_to_domain(&sh7372_pd_a3sp, &scif5_device); + rmobile_add_device_to_domain(&sh7372_pd_a3sp, &scif6_device); + rmobile_add_device_to_domain(&sh7372_pd_a3sp, &iic1_device); + rmobile_add_device_to_domain(&sh7372_pd_a3sp, &dma0_device); + rmobile_add_device_to_domain(&sh7372_pd_a3sp, &dma1_device); + rmobile_add_device_to_domain(&sh7372_pd_a3sp, &dma2_device); + rmobile_add_device_to_domain(&sh7372_pd_a3sp, &usb_dma0_device); + rmobile_add_device_to_domain(&sh7372_pd_a3sp, &usb_dma1_device); + rmobile_add_device_to_domain(&sh7372_pd_a4r, &iic0_device); + rmobile_add_device_to_domain(&sh7372_pd_a4r, &veu0_device); + rmobile_add_device_to_domain(&sh7372_pd_a4r, &veu1_device); + rmobile_add_device_to_domain(&sh7372_pd_a4r, &veu2_device); + rmobile_add_device_to_domain(&sh7372_pd_a4r, &veu3_device); + rmobile_add_device_to_domain(&sh7372_pd_a4r, &jpu_device); + rmobile_add_device_to_domain(&sh7372_pd_a4r, &tmu00_device); + rmobile_add_device_to_domain(&sh7372_pd_a4r, &tmu01_device); } static void __init sh7372_earlytimer_init(void) diff --git a/arch/arm/mach-shmobile/setup-sh7377.c b/arch/arm/mach-shmobile/setup-sh7377.c index d576a6a..855b150 100644 --- a/arch/arm/mach-shmobile/setup-sh7377.c +++ b/arch/arm/mach-shmobile/setup-sh7377.c @@ -22,6 +22,7 @@ #include <linux/interrupt.h> #include <linux/irq.h> #include <linux/platform_device.h> +#include <linux/of_platform.h> #include <linux/uio_driver.h> #include <linux/delay.h> #include <linux/input.h> @@ -500,3 +501,49 @@ void __init sh7377_add_early_devices(void) /* override timer setup with soc-specific code */ shmobile_timer.init = sh7377_earlytimer_init; } + +#ifdef CONFIG_USE_OF + +void __init sh7377_add_early_devices_dt(void) +{ + shmobile_setup_delay(600, 1, 3); /* Cortex-A8 @ 600MHz */ + + early_platform_add_devices(sh7377_early_devices, + ARRAY_SIZE(sh7377_early_devices)); + + /* setup early console here as well */ + shmobile_setup_console(); +} + +static const struct of_dev_auxdata sh7377_auxdata_lookup[] __initconst = { + { } +}; + +void __init sh7377_add_standard_devices_dt(void) +{ + /* clocks are setup late during boot in the case of DT */ + sh7377_clock_init(); + + platform_add_devices(sh7377_early_devices, + ARRAY_SIZE(sh7377_early_devices)); + + of_platform_populate(NULL, of_default_bus_match_table, + sh7377_auxdata_lookup, NULL); +} + +static const char *sh7377_boards_compat_dt[] __initdata = { + "renesas,sh7377", + NULL, +}; + +DT_MACHINE_START(SH7377_DT, "Generic SH7377 (Flattened Device Tree)") + .map_io = sh7377_map_io, + .init_early = sh7377_add_early_devices_dt, + .init_irq = sh7377_init_irq, + .handle_irq = shmobile_handle_irq_intc, + .init_machine = sh7377_add_standard_devices_dt, + .timer = &shmobile_timer, + .dt_compat = sh7377_boards_compat_dt, +MACHINE_END + +#endif /* CONFIG_USE_OF */ diff --git a/arch/arm/mach-shmobile/setup-sh73a0.c b/arch/arm/mach-shmobile/setup-sh73a0.c index 04a0dfe..d230af6 100644 --- a/arch/arm/mach-shmobile/setup-sh73a0.c +++ b/arch/arm/mach-shmobile/setup-sh73a0.c @@ -30,6 +30,7 @@ #include <linux/sh_dma.h> #include <linux/sh_intc.h> #include <linux/sh_timer.h> +#include <mach/dma-register.h> #include <mach/hardware.h> #include <mach/irqs.h> #include <mach/sh73a0.h> @@ -415,32 +416,6 @@ static struct platform_device i2c4_device = { .num_resources = ARRAY_SIZE(i2c4_resources), }; -/* Transmit sizes and respective CHCR register values */ -enum { - XMIT_SZ_8BIT = 0, - XMIT_SZ_16BIT = 1, - XMIT_SZ_32BIT = 2, - XMIT_SZ_64BIT = 7, - XMIT_SZ_128BIT = 3, - XMIT_SZ_256BIT = 4, - XMIT_SZ_512BIT = 5, -}; - -/* log2(size / 8) - used to calculate number of transfers */ -#define TS_SHIFT { \ - [XMIT_SZ_8BIT] = 0, \ - [XMIT_SZ_16BIT] = 1, \ - [XMIT_SZ_32BIT] = 2, \ - [XMIT_SZ_64BIT] = 3, \ - [XMIT_SZ_128BIT] = 4, \ - [XMIT_SZ_256BIT] = 5, \ - [XMIT_SZ_512BIT] = 6, \ -} - -#define TS_INDEX2VAL(i) ((((i) & 3) << 3) | (((i) & 0xc) << (20 - 2))) -#define CHCR_TX(xmit_sz) (DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL((xmit_sz))) -#define CHCR_RX(xmit_sz) (DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL((xmit_sz))) - static const struct sh_dmae_slave_config sh73a0_dmae_slaves[] = { { .slave_id = SHDMA_SLAVE_SCIF0_TX, @@ -604,19 +579,17 @@ static const struct sh_dmae_channel sh73a0_dmae_channels[] = { DMAE_CHANNEL(0x8980), }; -static const unsigned int ts_shift[] = TS_SHIFT; - static struct sh_dmae_pdata sh73a0_dmae_platform_data = { .slave = sh73a0_dmae_slaves, .slave_num = ARRAY_SIZE(sh73a0_dmae_slaves), .channel = sh73a0_dmae_channels, .channel_num = ARRAY_SIZE(sh73a0_dmae_channels), - .ts_low_shift = 3, - .ts_low_mask = 0x18, - .ts_high_shift = (20 - 2), /* 2 bits for shifted low TS */ - .ts_high_mask = 0x00300000, - .ts_shift = ts_shift, - .ts_shift_num = ARRAY_SIZE(ts_shift), + .ts_low_shift = TS_LOW_SHIFT, + .ts_low_mask = TS_LOW_BIT << TS_LOW_SHIFT, + .ts_high_shift = TS_HI_SHIFT, + .ts_high_mask = TS_HI_BIT << TS_HI_SHIFT, + .ts_shift = dma_ts_shift, + .ts_shift_num = ARRAY_SIZE(dma_ts_shift), .dmaor_init = DMAOR_DME, }; @@ -651,6 +624,116 @@ static struct platform_device dma0_device = { }, }; +/* MPDMAC */ +static const struct sh_dmae_slave_config sh73a0_mpdma_slaves[] = { + { + .slave_id = SHDMA_SLAVE_FSI2A_RX, + .addr = 0xec230020, + .chcr = CHCR_RX(XMIT_SZ_32BIT), + .mid_rid = 0xd6, /* CHECK ME */ + }, { + .slave_id = SHDMA_SLAVE_FSI2A_TX, + .addr = 0xec230024, + .chcr = CHCR_TX(XMIT_SZ_32BIT), + .mid_rid = 0xd5, /* CHECK ME */ + }, { + .slave_id = SHDMA_SLAVE_FSI2C_RX, + .addr = 0xec230060, + .chcr = CHCR_RX(XMIT_SZ_32BIT), + .mid_rid = 0xda, /* CHECK ME */ + }, { + .slave_id = SHDMA_SLAVE_FSI2C_TX, + .addr = 0xec230064, + .chcr = CHCR_TX(XMIT_SZ_32BIT), + .mid_rid = 0xd9, /* CHECK ME */ + }, { + .slave_id = SHDMA_SLAVE_FSI2B_RX, + .addr = 0xec240020, + .chcr = CHCR_RX(XMIT_SZ_32BIT), + .mid_rid = 0x8e, /* CHECK ME */ + }, { + .slave_id = SHDMA_SLAVE_FSI2B_TX, + .addr = 0xec240024, + .chcr = CHCR_RX(XMIT_SZ_32BIT), + .mid_rid = 0x8d, /* CHECK ME */ + }, { + .slave_id = SHDMA_SLAVE_FSI2D_RX, + .addr = 0xec240060, + .chcr = CHCR_RX(XMIT_SZ_32BIT), + .mid_rid = 0x9a, /* CHECK ME */ + }, +}; + +#define MPDMA_CHANNEL(a, b, c) \ +{ \ + .offset = a, \ + .dmars = b, \ + .dmars_bit = c, \ + .chclr_offset = (0x220 - 0x20) + a \ +} + +static const struct sh_dmae_channel sh73a0_mpdma_channels[] = { + MPDMA_CHANNEL(0x00, 0, 0), + MPDMA_CHANNEL(0x10, 0, 8), + MPDMA_CHANNEL(0x20, 4, 0), + MPDMA_CHANNEL(0x30, 4, 8), + MPDMA_CHANNEL(0x50, 8, 0), + MPDMA_CHANNEL(0x70, 8, 8), +}; + +static struct sh_dmae_pdata sh73a0_mpdma_platform_data = { + .slave = sh73a0_mpdma_slaves, + .slave_num = ARRAY_SIZE(sh73a0_mpdma_slaves), + .channel = sh73a0_mpdma_channels, + .channel_num = ARRAY_SIZE(sh73a0_mpdma_channels), + .ts_low_shift = TS_LOW_SHIFT, + .ts_low_mask = TS_LOW_BIT << TS_LOW_SHIFT, + .ts_high_shift = TS_HI_SHIFT, + .ts_high_mask = TS_HI_BIT << TS_HI_SHIFT, + .ts_shift = dma_ts_shift, + .ts_shift_num = ARRAY_SIZE(dma_ts_shift), + .dmaor_init = DMAOR_DME, + .chclr_present = 1, +}; + +/* Resource order important! */ +static struct resource sh73a0_mpdma_resources[] = { + { + /* Channel registers and DMAOR */ + .start = 0xec618020, + .end = 0xec61828f, + .flags = IORESOURCE_MEM, + }, + { + /* DMARSx */ + .start = 0xec619000, + .end = 0xec61900b, + .flags = IORESOURCE_MEM, + }, + { + .name = "error_irq", + .start = gic_spi(181), + .end = gic_spi(181), + .flags = IORESOURCE_IRQ, + }, + { + /* IRQ for channels 0-5 */ + .start = gic_spi(175), + .end = gic_spi(180), + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device mpdma0_device = { + .name = "sh-dma-engine", + .id = 1, + .resource = sh73a0_mpdma_resources, + .num_resources = ARRAY_SIZE(sh73a0_mpdma_resources), + .dev = { + .platform_data = &sh73a0_mpdma_platform_data, + }, +}; + static struct platform_device *sh73a0_early_devices[] __initdata = { &scif0_device, &scif1_device, @@ -673,6 +756,7 @@ static struct platform_device *sh73a0_late_devices[] __initdata = { &i2c3_device, &i2c4_device, &dma0_device, + &mpdma0_device, }; #define SRCR2 0xe61580b0 diff --git a/arch/arm/mach-spear3xx/spear300.c b/arch/arm/mach-spear3xx/spear300.c index 0f882ec..6ec3005 100644 --- a/arch/arm/mach-spear3xx/spear300.c +++ b/arch/arm/mach-spear3xx/spear300.c @@ -120,182 +120,156 @@ struct pl08x_channel_data spear300_dma_info[] = { .min_signal = 2, .max_signal = 2, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "uart0_tx", .min_signal = 3, .max_signal = 3, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ssp0_rx", .min_signal = 8, .max_signal = 8, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ssp0_tx", .min_signal = 9, .max_signal = 9, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "i2c_rx", .min_signal = 10, .max_signal = 10, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "i2c_tx", .min_signal = 11, .max_signal = 11, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "irda", .min_signal = 12, .max_signal = 12, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "adc", .min_signal = 13, .max_signal = 13, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "to_jpeg", .min_signal = 14, .max_signal = 14, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "from_jpeg", .min_signal = 15, .max_signal = 15, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras0_rx", .min_signal = 0, .max_signal = 0, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras0_tx", .min_signal = 1, .max_signal = 1, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras1_rx", .min_signal = 2, .max_signal = 2, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras1_tx", .min_signal = 3, .max_signal = 3, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras2_rx", .min_signal = 4, .max_signal = 4, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras2_tx", .min_signal = 5, .max_signal = 5, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras3_rx", .min_signal = 6, .max_signal = 6, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras3_tx", .min_signal = 7, .max_signal = 7, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras4_rx", .min_signal = 8, .max_signal = 8, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras4_tx", .min_signal = 9, .max_signal = 9, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras5_rx", .min_signal = 10, .max_signal = 10, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras5_tx", .min_signal = 11, .max_signal = 11, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras6_rx", .min_signal = 12, .max_signal = 12, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras6_tx", .min_signal = 13, .max_signal = 13, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras7_rx", .min_signal = 14, .max_signal = 14, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras7_tx", .min_signal = 15, .max_signal = 15, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, }; diff --git a/arch/arm/mach-spear3xx/spear310.c b/arch/arm/mach-spear3xx/spear310.c index bbcf457..1d0e435 100644 --- a/arch/arm/mach-spear3xx/spear310.c +++ b/arch/arm/mach-spear3xx/spear310.c @@ -205,182 +205,156 @@ struct pl08x_channel_data spear310_dma_info[] = { .min_signal = 2, .max_signal = 2, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "uart0_tx", .min_signal = 3, .max_signal = 3, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ssp0_rx", .min_signal = 8, .max_signal = 8, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ssp0_tx", .min_signal = 9, .max_signal = 9, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "i2c_rx", .min_signal = 10, .max_signal = 10, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "i2c_tx", .min_signal = 11, .max_signal = 11, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "irda", .min_signal = 12, .max_signal = 12, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "adc", .min_signal = 13, .max_signal = 13, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "to_jpeg", .min_signal = 14, .max_signal = 14, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "from_jpeg", .min_signal = 15, .max_signal = 15, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "uart1_rx", .min_signal = 0, .max_signal = 0, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "uart1_tx", .min_signal = 1, .max_signal = 1, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "uart2_rx", .min_signal = 2, .max_signal = 2, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "uart2_tx", .min_signal = 3, .max_signal = 3, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "uart3_rx", .min_signal = 4, .max_signal = 4, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "uart3_tx", .min_signal = 5, .max_signal = 5, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "uart4_rx", .min_signal = 6, .max_signal = 6, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "uart4_tx", .min_signal = 7, .max_signal = 7, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "uart5_rx", .min_signal = 8, .max_signal = 8, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "uart5_tx", .min_signal = 9, .max_signal = 9, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras5_rx", .min_signal = 10, .max_signal = 10, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras5_tx", .min_signal = 11, .max_signal = 11, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras6_rx", .min_signal = 12, .max_signal = 12, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras6_tx", .min_signal = 13, .max_signal = 13, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras7_rx", .min_signal = 14, .max_signal = 14, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras7_tx", .min_signal = 15, .max_signal = 15, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, }; diff --git a/arch/arm/mach-spear3xx/spear320.c b/arch/arm/mach-spear3xx/spear320.c index 88d483b..fd823c6 100644 --- a/arch/arm/mach-spear3xx/spear320.c +++ b/arch/arm/mach-spear3xx/spear320.c @@ -213,182 +213,156 @@ struct pl08x_channel_data spear320_dma_info[] = { .min_signal = 2, .max_signal = 2, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "uart0_tx", .min_signal = 3, .max_signal = 3, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ssp0_rx", .min_signal = 8, .max_signal = 8, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ssp0_tx", .min_signal = 9, .max_signal = 9, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "i2c0_rx", .min_signal = 10, .max_signal = 10, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "i2c0_tx", .min_signal = 11, .max_signal = 11, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "irda", .min_signal = 12, .max_signal = 12, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "adc", .min_signal = 13, .max_signal = 13, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "to_jpeg", .min_signal = 14, .max_signal = 14, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "from_jpeg", .min_signal = 15, .max_signal = 15, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ssp1_rx", .min_signal = 0, .max_signal = 0, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB2, }, { .bus_id = "ssp1_tx", .min_signal = 1, .max_signal = 1, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB2, }, { .bus_id = "ssp2_rx", .min_signal = 2, .max_signal = 2, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB2, }, { .bus_id = "ssp2_tx", .min_signal = 3, .max_signal = 3, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB2, }, { .bus_id = "uart1_rx", .min_signal = 4, .max_signal = 4, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB2, }, { .bus_id = "uart1_tx", .min_signal = 5, .max_signal = 5, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB2, }, { .bus_id = "uart2_rx", .min_signal = 6, .max_signal = 6, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB2, }, { .bus_id = "uart2_tx", .min_signal = 7, .max_signal = 7, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB2, }, { .bus_id = "i2c1_rx", .min_signal = 8, .max_signal = 8, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB2, }, { .bus_id = "i2c1_tx", .min_signal = 9, .max_signal = 9, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB2, }, { .bus_id = "i2c2_rx", .min_signal = 10, .max_signal = 10, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB2, }, { .bus_id = "i2c2_tx", .min_signal = 11, .max_signal = 11, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB2, }, { .bus_id = "i2s_rx", .min_signal = 12, .max_signal = 12, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB2, }, { .bus_id = "i2s_tx", .min_signal = 13, .max_signal = 13, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB2, }, { .bus_id = "rs485_rx", .min_signal = 14, .max_signal = 14, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB2, }, { .bus_id = "rs485_tx", .min_signal = 15, .max_signal = 15, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB2, }, }; diff --git a/arch/arm/mach-spear3xx/spear3xx.c b/arch/arm/mach-spear3xx/spear3xx.c index 66db5f1..98144ba 100644 --- a/arch/arm/mach-spear3xx/spear3xx.c +++ b/arch/arm/mach-spear3xx/spear3xx.c @@ -46,7 +46,8 @@ struct pl022_ssp_controller pl022_plat_data = { struct pl08x_platform_data pl080_plat_data = { .memcpy_channel = { .bus_id = "memcpy", - .cctl = (PL080_BSIZE_16 << PL080_CONTROL_SB_SIZE_SHIFT | \ + .cctl_memcpy = + (PL080_BSIZE_16 << PL080_CONTROL_SB_SIZE_SHIFT | \ PL080_BSIZE_16 << PL080_CONTROL_DB_SIZE_SHIFT | \ PL080_WIDTH_32BIT << PL080_CONTROL_SWIDTH_SHIFT | \ PL080_WIDTH_32BIT << PL080_CONTROL_DWIDTH_SHIFT | \ diff --git a/arch/arm/mach-spear6xx/spear6xx.c b/arch/arm/mach-spear6xx/spear6xx.c index 9af67d0..5a5a52d 100644 --- a/arch/arm/mach-spear6xx/spear6xx.c +++ b/arch/arm/mach-spear6xx/spear6xx.c @@ -36,336 +36,288 @@ static struct pl08x_channel_data spear600_dma_info[] = { .min_signal = 0, .max_signal = 0, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ssp1_tx", .min_signal = 1, .max_signal = 1, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "uart0_rx", .min_signal = 2, .max_signal = 2, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "uart0_tx", .min_signal = 3, .max_signal = 3, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "uart1_rx", .min_signal = 4, .max_signal = 4, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "uart1_tx", .min_signal = 5, .max_signal = 5, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ssp2_rx", .min_signal = 6, .max_signal = 6, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB2, }, { .bus_id = "ssp2_tx", .min_signal = 7, .max_signal = 7, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB2, }, { .bus_id = "ssp0_rx", .min_signal = 8, .max_signal = 8, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ssp0_tx", .min_signal = 9, .max_signal = 9, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "i2c_rx", .min_signal = 10, .max_signal = 10, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "i2c_tx", .min_signal = 11, .max_signal = 11, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "irda", .min_signal = 12, .max_signal = 12, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "adc", .min_signal = 13, .max_signal = 13, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB2, }, { .bus_id = "to_jpeg", .min_signal = 14, .max_signal = 14, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "from_jpeg", .min_signal = 15, .max_signal = 15, .muxval = 0, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras0_rx", .min_signal = 0, .max_signal = 0, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras0_tx", .min_signal = 1, .max_signal = 1, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras1_rx", .min_signal = 2, .max_signal = 2, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras1_tx", .min_signal = 3, .max_signal = 3, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras2_rx", .min_signal = 4, .max_signal = 4, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras2_tx", .min_signal = 5, .max_signal = 5, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras3_rx", .min_signal = 6, .max_signal = 6, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras3_tx", .min_signal = 7, .max_signal = 7, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras4_rx", .min_signal = 8, .max_signal = 8, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras4_tx", .min_signal = 9, .max_signal = 9, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras5_rx", .min_signal = 10, .max_signal = 10, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras5_tx", .min_signal = 11, .max_signal = 11, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras6_rx", .min_signal = 12, .max_signal = 12, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras6_tx", .min_signal = 13, .max_signal = 13, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras7_rx", .min_signal = 14, .max_signal = 14, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras7_tx", .min_signal = 15, .max_signal = 15, .muxval = 1, - .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ext0_rx", .min_signal = 0, .max_signal = 0, .muxval = 2, - .cctl = 0, .periph_buses = PL08X_AHB2, }, { .bus_id = "ext0_tx", .min_signal = 1, .max_signal = 1, .muxval = 2, - .cctl = 0, .periph_buses = PL08X_AHB2, }, { .bus_id = "ext1_rx", .min_signal = 2, .max_signal = 2, .muxval = 2, - .cctl = 0, .periph_buses = PL08X_AHB2, }, { .bus_id = "ext1_tx", .min_signal = 3, .max_signal = 3, .muxval = 2, - .cctl = 0, .periph_buses = PL08X_AHB2, }, { .bus_id = "ext2_rx", .min_signal = 4, .max_signal = 4, .muxval = 2, - .cctl = 0, .periph_buses = PL08X_AHB2, }, { .bus_id = "ext2_tx", .min_signal = 5, .max_signal = 5, .muxval = 2, - .cctl = 0, .periph_buses = PL08X_AHB2, }, { .bus_id = "ext3_rx", .min_signal = 6, .max_signal = 6, .muxval = 2, - .cctl = 0, .periph_buses = PL08X_AHB2, }, { .bus_id = "ext3_tx", .min_signal = 7, .max_signal = 7, .muxval = 2, - .cctl = 0, .periph_buses = PL08X_AHB2, }, { .bus_id = "ext4_rx", .min_signal = 8, .max_signal = 8, .muxval = 2, - .cctl = 0, .periph_buses = PL08X_AHB2, }, { .bus_id = "ext4_tx", .min_signal = 9, .max_signal = 9, .muxval = 2, - .cctl = 0, .periph_buses = PL08X_AHB2, }, { .bus_id = "ext5_rx", .min_signal = 10, .max_signal = 10, .muxval = 2, - .cctl = 0, .periph_buses = PL08X_AHB2, }, { .bus_id = "ext5_tx", .min_signal = 11, .max_signal = 11, .muxval = 2, - .cctl = 0, .periph_buses = PL08X_AHB2, }, { .bus_id = "ext6_rx", .min_signal = 12, .max_signal = 12, .muxval = 2, - .cctl = 0, .periph_buses = PL08X_AHB2, }, { .bus_id = "ext6_tx", .min_signal = 13, .max_signal = 13, .muxval = 2, - .cctl = 0, .periph_buses = PL08X_AHB2, }, { .bus_id = "ext7_rx", .min_signal = 14, .max_signal = 14, .muxval = 2, - .cctl = 0, .periph_buses = PL08X_AHB2, }, { .bus_id = "ext7_tx", .min_signal = 15, .max_signal = 15, .muxval = 2, - .cctl = 0, .periph_buses = PL08X_AHB2, }, }; @@ -373,7 +325,8 @@ static struct pl08x_channel_data spear600_dma_info[] = { struct pl08x_platform_data pl080_plat_data = { .memcpy_channel = { .bus_id = "memcpy", - .cctl = (PL080_BSIZE_16 << PL080_CONTROL_SB_SIZE_SHIFT | \ + .cctl_memcpy = + (PL080_BSIZE_16 << PL080_CONTROL_SB_SIZE_SHIFT | \ PL080_BSIZE_16 << PL080_CONTROL_DB_SIZE_SHIFT | \ PL080_WIDTH_32BIT << PL080_CONTROL_SWIDTH_SHIFT | \ PL080_WIDTH_32BIT << PL080_CONTROL_DWIDTH_SHIFT | \ diff --git a/arch/arm/mach-tegra/board-dt-tegra20.c b/arch/arm/mach-tegra/board-dt-tegra20.c index d0de9c1..c099963 100644 --- a/arch/arm/mach-tegra/board-dt-tegra20.c +++ b/arch/arm/mach-tegra/board-dt-tegra20.c @@ -64,7 +64,8 @@ struct of_dev_auxdata tegra20_auxdata_lookup[] __initdata = { &tegra_ehci2_pdata), OF_DEV_AUXDATA("nvidia,tegra20-ehci", TEGRA_USB3_BASE, "tegra-ehci.2", &tegra_ehci3_pdata), - OF_DEV_AUXDATA("nvidia,tegra20-apbdma", 0x6000a000, "tegra-apbdma", NULL), + OF_DEV_AUXDATA("nvidia,tegra20-apbdma", TEGRA_APB_DMA_BASE, "tegra-apbdma", NULL), + OF_DEV_AUXDATA("nvidia,tegra20-pwm", TEGRA_PWFM_BASE, "tegra-pwm", NULL), {} }; diff --git a/arch/arm/mach-tegra/board-dt-tegra30.c b/arch/arm/mach-tegra/board-dt-tegra30.c index ee48214..53bf60f 100644 --- a/arch/arm/mach-tegra/board-dt-tegra30.c +++ b/arch/arm/mach-tegra/board-dt-tegra30.c @@ -33,6 +33,8 @@ #include <asm/mach/arch.h> #include <asm/hardware/gic.h> +#include <mach/iomap.h> + #include "board.h" #include "clock.h" @@ -48,6 +50,7 @@ struct of_dev_auxdata tegra30_auxdata_lookup[] __initdata = { OF_DEV_AUXDATA("nvidia,tegra20-i2c", 0x7000D000, "tegra-i2c.4", NULL), OF_DEV_AUXDATA("nvidia,tegra30-ahub", 0x70080000, "tegra30-ahub", NULL), OF_DEV_AUXDATA("nvidia,tegra30-apbdma", 0x6000a000, "tegra-apbdma", NULL), + OF_DEV_AUXDATA("nvidia,tegra30-pwm", TEGRA_PWFM_BASE, "tegra-pwm", NULL), {} }; diff --git a/arch/arm/mach-ux500/board-mop500.c b/arch/arm/mach-ux500/board-mop500.c index a310222..8674a89 100644 --- a/arch/arm/mach-ux500/board-mop500.c +++ b/arch/arm/mach-ux500/board-mop500.c @@ -15,6 +15,7 @@ #include <linux/platform_device.h> #include <linux/io.h> #include <linux/i2c.h> +#include <linux/platform_data/i2c-nomadik.h> #include <linux/gpio.h> #include <linux/amba/bus.h> #include <linux/amba/pl022.h> @@ -40,7 +41,6 @@ #include <asm/mach/arch.h> #include <asm/hardware/gic.h> -#include <plat/i2c.h> #include <plat/ste_dma40.h> #include <plat/gpio-nomadik.h> @@ -211,24 +211,6 @@ static struct ab8500_platform_data ab8500_platdata = { .codec = &ab8500_codec_pdata, }; -static struct resource ab8500_resources[] = { - [0] = { - .start = IRQ_DB8500_AB8500, - .end = IRQ_DB8500_AB8500, - .flags = IORESOURCE_IRQ - } -}; - -struct platform_device ab8500_device = { - .name = "ab8500-core", - .id = 0, - .dev = { - .platform_data = &ab8500_platdata, - }, - .num_resources = 1, - .resource = ab8500_resources, -}; - /* * TPS61052 */ @@ -443,7 +425,6 @@ static struct hash_platform_data u8500_hash1_platform_data = { /* add any platform devices here - TODO */ static struct platform_device *mop500_platform_devs[] __initdata = { &mop500_gpio_keys_device, - &ab8500_device, }; #ifdef CONFIG_STE_DMA40 @@ -605,7 +586,6 @@ static struct platform_device *snowball_platform_devs[] __initdata = { &snowball_led_dev, &snowball_key_dev, &snowball_sbnet_dev, - &ab8500_device, }; static void __init mop500_init_machine(void) @@ -617,9 +597,8 @@ static void __init mop500_init_machine(void) mop500_gpio_keys[0].gpio = GPIO_PROX_SENSOR; mop500_pinmaps_init(); - parent = u8500_init_devices(); + parent = u8500_init_devices(&ab8500_platdata); - /* FIXME: parent of ab8500 should be prcmu */ for (i = 0; i < ARRAY_SIZE(mop500_platform_devs); i++) mop500_platform_devs[i]->dev.parent = parent; @@ -652,7 +631,7 @@ static void __init snowball_init_machine(void) int i; snowball_pinmaps_init(); - parent = u8500_init_devices(); + parent = u8500_init_devices(&ab8500_platdata); for (i = 0; i < ARRAY_SIZE(snowball_platform_devs); i++) snowball_platform_devs[i]->dev.parent = parent; @@ -684,7 +663,7 @@ static void __init hrefv60_init_machine(void) mop500_gpio_keys[0].gpio = HREFV60_PROX_SENSE_GPIO; hrefv60_pinmaps_init(); - parent = u8500_init_devices(); + parent = u8500_init_devices(&ab8500_platdata); for (i = 0; i < ARRAY_SIZE(mop500_platform_devs); i++) mop500_platform_devs[i]->dev.parent = parent; @@ -785,9 +764,6 @@ static const struct of_device_id u8500_local_bus_nodes[] = { /* only create devices below soc node */ { .compatible = "stericsson,db8500", }, { .compatible = "stericsson,db8500-prcmu", }, - { .compatible = "stericsson,db8500-prcmu-regulator", }, - { .compatible = "stericsson,ab8500", }, - { .compatible = "stericsson,ab8500-regulator", }, { .compatible = "simple-bus"}, { }, }; diff --git a/arch/arm/mach-ux500/cpu-db8500.c b/arch/arm/mach-ux500/cpu-db8500.c index c8dd94f..db3c52d 100644 --- a/arch/arm/mach-ux500/cpu-db8500.c +++ b/arch/arm/mach-ux500/cpu-db8500.c @@ -16,6 +16,7 @@ #include <linux/irq.h> #include <linux/platform_device.h> #include <linux/io.h> +#include <linux/mfd/abx500/ab8500.h> #include <asm/mach/map.h> #include <asm/pmu.h> @@ -115,7 +116,7 @@ static irqreturn_t db8500_pmu_handler(int irq, void *dev, irq_handler_t handler) return ret; } -static struct arm_pmu_platdata db8500_pmu_platdata = { +struct arm_pmu_platdata db8500_pmu_platdata = { .handle_irq = db8500_pmu_handler, }; @@ -206,7 +207,7 @@ static struct device * __init db8500_soc_device_init(void) /* * This function is called from the board init */ -struct device * __init u8500_init_devices(void) +struct device * __init u8500_init_devices(struct ab8500_platform_data *ab8500) { struct device *parent; int i; @@ -223,6 +224,8 @@ struct device * __init u8500_init_devices(void) for (i = 0; i < ARRAY_SIZE(platform_devs); i++) platform_devs[i]->dev.parent = parent; + db8500_prcmu_device.dev.platform_data = ab8500; + platform_add_devices(platform_devs, ARRAY_SIZE(platform_devs)); return parent; diff --git a/arch/arm/mach-ux500/devices-common.h b/arch/arm/mach-ux500/devices-common.h index 6e47065..ecdd838 100644 --- a/arch/arm/mach-ux500/devices-common.h +++ b/arch/arm/mach-ux500/devices-common.h @@ -12,7 +12,7 @@ #include <linux/dma-mapping.h> #include <linux/sys_soc.h> #include <linux/amba/bus.h> -#include <plat/i2c.h> +#include <linux/platform_data/i2c-nomadik.h> #include <mach/crypto-ux500.h> struct spi_master_cntlr; @@ -56,27 +56,15 @@ dbx500_add_uart(struct device *parent, const char *name, resource_size_t base, struct nmk_i2c_controller; -static inline struct platform_device * +static inline struct amba_device * dbx500_add_i2c(struct device *parent, int id, resource_size_t base, int irq, struct nmk_i2c_controller *data) { - struct resource res[] = { - DEFINE_RES_MEM(base, SZ_4K), - DEFINE_RES_IRQ(irq), - }; + /* Conjure a name similar to what the platform device used to have */ + char name[16]; - struct platform_device_info pdevinfo = { - .parent = parent, - .name = "nmk-i2c", - .id = id, - .res = res, - .num_res = ARRAY_SIZE(res), - .data = data, - .size_data = sizeof(*data), - .dma_mask = DMA_BIT_MASK(32), - }; - - return platform_device_register_full(&pdevinfo); + snprintf(name, sizeof(name), "nmk-i2c.%d", id); + return amba_apb_device_add(parent, name, base, SZ_4K, irq, 0, data, 0); } static inline struct amba_device * diff --git a/arch/arm/mach-ux500/include/mach/setup.h b/arch/arm/mach-ux500/include/mach/setup.h index 8b7ed82..7914e5e 100644 --- a/arch/arm/mach-ux500/include/mach/setup.h +++ b/arch/arm/mach-ux500/include/mach/setup.h @@ -13,11 +13,12 @@ #include <asm/mach/time.h> #include <linux/init.h> +#include <linux/mfd/abx500/ab8500.h> void __init ux500_map_io(void); extern void __init u8500_map_io(void); -extern struct device * __init u8500_init_devices(void); +extern struct device * __init u8500_init_devices(struct ab8500_platform_data *ab8500); extern void __init ux500_init_irq(void); extern void __init ux500_init_late(void); diff --git a/arch/arm/mach-vt8500/Makefile b/arch/arm/mach-vt8500/Makefile index 54e6997..7ce5176 100644 --- a/arch/arm/mach-vt8500/Makefile +++ b/arch/arm/mach-vt8500/Makefile @@ -5,5 +5,3 @@ obj-$(CONFIG_VTWM_VERSION_WM8505) += devices-wm8505.o obj-$(CONFIG_MACH_BV07) += bv07.o obj-$(CONFIG_MACH_WM8505_7IN_NETBOOK) += wm8505_7in.o - -obj-$(CONFIG_HAVE_PWM) += pwm.o diff --git a/arch/arm/mach-vt8500/pwm.c b/arch/arm/mach-vt8500/pwm.c deleted file mode 100644 index 8ad825e..0000000 --- a/arch/arm/mach-vt8500/pwm.c +++ /dev/null @@ -1,265 +0,0 @@ -/* - * arch/arm/mach-vt8500/pwm.c - * - * Copyright (C) 2010 Alexey Charkov <alchark@gmail.com> - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/platform_device.h> -#include <linux/slab.h> -#include <linux/err.h> -#include <linux/io.h> -#include <linux/pwm.h> -#include <linux/delay.h> - -#include <asm/div64.h> - -#define VT8500_NR_PWMS 4 - -static DEFINE_MUTEX(pwm_lock); -static LIST_HEAD(pwm_list); - -struct pwm_device { - struct list_head node; - struct platform_device *pdev; - - const char *label; - - void __iomem *regbase; - - unsigned int use_count; - unsigned int pwm_id; -}; - -#define msecs_to_loops(t) (loops_per_jiffy / 1000 * HZ * t) -static inline void pwm_busy_wait(void __iomem *reg, u8 bitmask) -{ - int loops = msecs_to_loops(10); - while ((readb(reg) & bitmask) && --loops) - cpu_relax(); - - if (unlikely(!loops)) - pr_warning("Waiting for status bits 0x%x to clear timed out\n", - bitmask); -} - -int pwm_config(struct pwm_device *pwm, int duty_ns, int period_ns) -{ - unsigned long long c; - unsigned long period_cycles, prescale, pv, dc; - - if (pwm == NULL || period_ns == 0 || duty_ns > period_ns) - return -EINVAL; - - c = 25000000/2; /* wild guess --- need to implement clocks */ - c = c * period_ns; - do_div(c, 1000000000); - period_cycles = c; - - if (period_cycles < 1) - period_cycles = 1; - prescale = (period_cycles - 1) / 4096; - pv = period_cycles / (prescale + 1) - 1; - if (pv > 4095) - pv = 4095; - - if (prescale > 1023) - return -EINVAL; - - c = (unsigned long long)pv * duty_ns; - do_div(c, period_ns); - dc = c; - - pwm_busy_wait(pwm->regbase + 0x40 + pwm->pwm_id, (1 << 1)); - writel(prescale, pwm->regbase + 0x4 + (pwm->pwm_id << 4)); - - pwm_busy_wait(pwm->regbase + 0x40 + pwm->pwm_id, (1 << 2)); - writel(pv, pwm->regbase + 0x8 + (pwm->pwm_id << 4)); - - pwm_busy_wait(pwm->regbase + 0x40 + pwm->pwm_id, (1 << 3)); - writel(dc, pwm->regbase + 0xc + (pwm->pwm_id << 4)); - - return 0; -} -EXPORT_SYMBOL(pwm_config); - -int pwm_enable(struct pwm_device *pwm) -{ - pwm_busy_wait(pwm->regbase + 0x40 + pwm->pwm_id, (1 << 0)); - writel(5, pwm->regbase + (pwm->pwm_id << 4)); - return 0; -} -EXPORT_SYMBOL(pwm_enable); - -void pwm_disable(struct pwm_device *pwm) -{ - pwm_busy_wait(pwm->regbase + 0x40 + pwm->pwm_id, (1 << 0)); - writel(0, pwm->regbase + (pwm->pwm_id << 4)); -} -EXPORT_SYMBOL(pwm_disable); - -struct pwm_device *pwm_request(int pwm_id, const char *label) -{ - struct pwm_device *pwm; - int found = 0; - - mutex_lock(&pwm_lock); - - list_for_each_entry(pwm, &pwm_list, node) { - if (pwm->pwm_id == pwm_id) { - found = 1; - break; - } - } - - if (found) { - if (pwm->use_count == 0) { - pwm->use_count++; - pwm->label = label; - } else { - pwm = ERR_PTR(-EBUSY); - } - } else { - pwm = ERR_PTR(-ENOENT); - } - - mutex_unlock(&pwm_lock); - return pwm; -} -EXPORT_SYMBOL(pwm_request); - -void pwm_free(struct pwm_device *pwm) -{ - mutex_lock(&pwm_lock); - - if (pwm->use_count) { - pwm->use_count--; - pwm->label = NULL; - } else { - pr_warning("PWM device already freed\n"); - } - - mutex_unlock(&pwm_lock); -} -EXPORT_SYMBOL(pwm_free); - -static inline void __add_pwm(struct pwm_device *pwm) -{ - mutex_lock(&pwm_lock); - list_add_tail(&pwm->node, &pwm_list); - mutex_unlock(&pwm_lock); -} - -static int __devinit pwm_probe(struct platform_device *pdev) -{ - struct pwm_device *pwms; - struct resource *r; - int ret = 0; - int i; - - pwms = kzalloc(sizeof(struct pwm_device) * VT8500_NR_PWMS, GFP_KERNEL); - if (pwms == NULL) { - dev_err(&pdev->dev, "failed to allocate memory\n"); - return -ENOMEM; - } - - for (i = 0; i < VT8500_NR_PWMS; i++) { - pwms[i].use_count = 0; - pwms[i].pwm_id = i; - pwms[i].pdev = pdev; - } - - r = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (r == NULL) { - dev_err(&pdev->dev, "no memory resource defined\n"); - ret = -ENODEV; - goto err_free; - } - - r = request_mem_region(r->start, resource_size(r), pdev->name); - if (r == NULL) { - dev_err(&pdev->dev, "failed to request memory resource\n"); - ret = -EBUSY; - goto err_free; - } - - pwms[0].regbase = ioremap(r->start, resource_size(r)); - if (pwms[0].regbase == NULL) { - dev_err(&pdev->dev, "failed to ioremap() registers\n"); - ret = -ENODEV; - goto err_free_mem; - } - - for (i = 1; i < VT8500_NR_PWMS; i++) - pwms[i].regbase = pwms[0].regbase; - - for (i = 0; i < VT8500_NR_PWMS; i++) - __add_pwm(&pwms[i]); - - platform_set_drvdata(pdev, pwms); - return 0; - -err_free_mem: - release_mem_region(r->start, resource_size(r)); -err_free: - kfree(pwms); - return ret; -} - -static int __devexit pwm_remove(struct platform_device *pdev) -{ - struct pwm_device *pwms; - struct resource *r; - int i; - - pwms = platform_get_drvdata(pdev); - if (pwms == NULL) - return -ENODEV; - - mutex_lock(&pwm_lock); - - for (i = 0; i < VT8500_NR_PWMS; i++) - list_del(&pwms[i].node); - mutex_unlock(&pwm_lock); - - iounmap(pwms[0].regbase); - - r = platform_get_resource(pdev, IORESOURCE_MEM, 0); - release_mem_region(r->start, resource_size(r)); - - kfree(pwms); - return 0; -} - -static struct platform_driver pwm_driver = { - .driver = { - .name = "vt8500-pwm", - .owner = THIS_MODULE, - }, - .probe = pwm_probe, - .remove = __devexit_p(pwm_remove), -}; - -static int __init pwm_init(void) -{ - return platform_driver_register(&pwm_driver); -} -arch_initcall(pwm_init); - -static void __exit pwm_exit(void) -{ - platform_driver_unregister(&pwm_driver); -} -module_exit(pwm_exit); - -MODULE_LICENSE("GPL"); diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c index 5cfc989..c2cdf65 100644 --- a/arch/arm/mm/dma-mapping.c +++ b/arch/arm/mm/dma-mapping.c @@ -22,6 +22,7 @@ #include <linux/memblock.h> #include <linux/slab.h> #include <linux/iommu.h> +#include <linux/io.h> #include <linux/vmalloc.h> #include <linux/sizes.h> @@ -72,7 +73,7 @@ static dma_addr_t arm_dma_map_page(struct device *dev, struct page *page, unsigned long offset, size_t size, enum dma_data_direction dir, struct dma_attrs *attrs) { - if (!arch_is_coherent()) + if (!arch_is_coherent() && !dma_get_attr(DMA_ATTR_SKIP_CPU_SYNC, attrs)) __dma_page_cpu_to_dev(page, offset, size, dir); return pfn_to_dma(dev, page_to_pfn(page)) + offset; } @@ -95,7 +96,7 @@ static void arm_dma_unmap_page(struct device *dev, dma_addr_t handle, size_t size, enum dma_data_direction dir, struct dma_attrs *attrs) { - if (!arch_is_coherent()) + if (!arch_is_coherent() && !dma_get_attr(DMA_ATTR_SKIP_CPU_SYNC, attrs)) __dma_page_dev_to_cpu(pfn_to_page(dma_to_pfn(dev, handle)), handle & ~PAGE_MASK, size, dir); } @@ -124,6 +125,7 @@ struct dma_map_ops arm_dma_ops = { .alloc = arm_dma_alloc, .free = arm_dma_free, .mmap = arm_dma_mmap, + .get_sgtable = arm_dma_get_sgtable, .map_page = arm_dma_map_page, .unmap_page = arm_dma_unmap_page, .map_sg = arm_dma_map_sg, @@ -217,115 +219,70 @@ static void __dma_free_buffer(struct page *page, size_t size) } #ifdef CONFIG_MMU +#ifdef CONFIG_HUGETLB_PAGE +#error ARM Coherent DMA allocator does not (yet) support huge TLB +#endif -#define CONSISTENT_OFFSET(x) (((unsigned long)(x) - consistent_base) >> PAGE_SHIFT) -#define CONSISTENT_PTE_INDEX(x) (((unsigned long)(x) - consistent_base) >> PMD_SHIFT) - -/* - * These are the page tables (2MB each) covering uncached, DMA consistent allocations - */ -static pte_t **consistent_pte; - -#define DEFAULT_CONSISTENT_DMA_SIZE SZ_2M +static void *__alloc_from_contiguous(struct device *dev, size_t size, + pgprot_t prot, struct page **ret_page); -static unsigned long consistent_base = CONSISTENT_END - DEFAULT_CONSISTENT_DMA_SIZE; +static void *__alloc_remap_buffer(struct device *dev, size_t size, gfp_t gfp, + pgprot_t prot, struct page **ret_page, + const void *caller); -void __init init_consistent_dma_size(unsigned long size) +static void * +__dma_alloc_remap(struct page *page, size_t size, gfp_t gfp, pgprot_t prot, + const void *caller) { - unsigned long base = CONSISTENT_END - ALIGN(size, SZ_2M); + struct vm_struct *area; + unsigned long addr; - BUG_ON(consistent_pte); /* Check we're called before DMA region init */ - BUG_ON(base < VMALLOC_END); + /* + * DMA allocation can be mapped to user space, so lets + * set VM_USERMAP flags too. + */ + area = get_vm_area_caller(size, VM_ARM_DMA_CONSISTENT | VM_USERMAP, + caller); + if (!area) + return NULL; + addr = (unsigned long)area->addr; + area->phys_addr = __pfn_to_phys(page_to_pfn(page)); - /* Grow region to accommodate specified size */ - if (base < consistent_base) - consistent_base = base; + if (ioremap_page_range(addr, addr + size, area->phys_addr, prot)) { + vunmap((void *)addr); + return NULL; + } + return (void *)addr; } -#include "vmregion.h" - -static struct arm_vmregion_head consistent_head = { - .vm_lock = __SPIN_LOCK_UNLOCKED(&consistent_head.vm_lock), - .vm_list = LIST_HEAD_INIT(consistent_head.vm_list), - .vm_end = CONSISTENT_END, -}; - -#ifdef CONFIG_HUGETLB_PAGE -#error ARM Coherent DMA allocator does not (yet) support huge TLB -#endif - -/* - * Initialise the consistent memory allocation. - */ -static int __init consistent_init(void) +static void __dma_free_remap(void *cpu_addr, size_t size) { - int ret = 0; - pgd_t *pgd; - pud_t *pud; - pmd_t *pmd; - pte_t *pte; - int i = 0; - unsigned long base = consistent_base; - unsigned long num_ptes = (CONSISTENT_END - base) >> PMD_SHIFT; - - if (IS_ENABLED(CONFIG_CMA) && !IS_ENABLED(CONFIG_ARM_DMA_USE_IOMMU)) - return 0; - - consistent_pte = kmalloc(num_ptes * sizeof(pte_t), GFP_KERNEL); - if (!consistent_pte) { - pr_err("%s: no memory\n", __func__); - return -ENOMEM; + unsigned int flags = VM_ARM_DMA_CONSISTENT | VM_USERMAP; + struct vm_struct *area = find_vm_area(cpu_addr); + if (!area || (area->flags & flags) != flags) { + WARN(1, "trying to free invalid coherent area: %p\n", cpu_addr); + return; } - - pr_debug("DMA memory: 0x%08lx - 0x%08lx:\n", base, CONSISTENT_END); - consistent_head.vm_start = base; - - do { - pgd = pgd_offset(&init_mm, base); - - pud = pud_alloc(&init_mm, pgd, base); - if (!pud) { - pr_err("%s: no pud tables\n", __func__); - ret = -ENOMEM; - break; - } - - pmd = pmd_alloc(&init_mm, pud, base); - if (!pmd) { - pr_err("%s: no pmd tables\n", __func__); - ret = -ENOMEM; - break; - } - WARN_ON(!pmd_none(*pmd)); - - pte = pte_alloc_kernel(pmd, base); - if (!pte) { - pr_err("%s: no pte tables\n", __func__); - ret = -ENOMEM; - break; - } - - consistent_pte[i++] = pte; - base += PMD_SIZE; - } while (base < CONSISTENT_END); - - return ret; + unmap_kernel_range((unsigned long)cpu_addr, size); + vunmap(cpu_addr); } -core_initcall(consistent_init); -static void *__alloc_from_contiguous(struct device *dev, size_t size, - pgprot_t prot, struct page **ret_page); - -static struct arm_vmregion_head coherent_head = { - .vm_lock = __SPIN_LOCK_UNLOCKED(&coherent_head.vm_lock), - .vm_list = LIST_HEAD_INIT(coherent_head.vm_list), +struct dma_pool { + size_t size; + spinlock_t lock; + unsigned long *bitmap; + unsigned long nr_pages; + void *vaddr; + struct page *page; }; -static size_t coherent_pool_size = DEFAULT_CONSISTENT_DMA_SIZE / 8; +static struct dma_pool atomic_pool = { + .size = SZ_256K, +}; static int __init early_coherent_pool(char *p) { - coherent_pool_size = memparse(p, &p); + atomic_pool.size = memparse(p, &p); return 0; } early_param("coherent_pool", early_coherent_pool); @@ -333,32 +290,45 @@ early_param("coherent_pool", early_coherent_pool); /* * Initialise the coherent pool for atomic allocations. */ -static int __init coherent_init(void) +static int __init atomic_pool_init(void) { + struct dma_pool *pool = &atomic_pool; pgprot_t prot = pgprot_dmacoherent(pgprot_kernel); - size_t size = coherent_pool_size; + unsigned long nr_pages = pool->size >> PAGE_SHIFT; + unsigned long *bitmap; struct page *page; void *ptr; + int bitmap_size = BITS_TO_LONGS(nr_pages) * sizeof(long); - if (!IS_ENABLED(CONFIG_CMA)) - return 0; + bitmap = kzalloc(bitmap_size, GFP_KERNEL); + if (!bitmap) + goto no_bitmap; - ptr = __alloc_from_contiguous(NULL, size, prot, &page); + if (IS_ENABLED(CONFIG_CMA)) + ptr = __alloc_from_contiguous(NULL, pool->size, prot, &page); + else + ptr = __alloc_remap_buffer(NULL, pool->size, GFP_KERNEL, prot, + &page, NULL); if (ptr) { - coherent_head.vm_start = (unsigned long) ptr; - coherent_head.vm_end = (unsigned long) ptr + size; - printk(KERN_INFO "DMA: preallocated %u KiB pool for atomic coherent allocations\n", - (unsigned)size / 1024); + spin_lock_init(&pool->lock); + pool->vaddr = ptr; + pool->page = page; + pool->bitmap = bitmap; + pool->nr_pages = nr_pages; + pr_info("DMA: preallocated %u KiB pool for atomic coherent allocations\n", + (unsigned)pool->size / 1024); return 0; } - printk(KERN_ERR "DMA: failed to allocate %u KiB pool for atomic coherent allocation\n", - (unsigned)size / 1024); + kfree(bitmap); +no_bitmap: + pr_err("DMA: failed to allocate %u KiB pool for atomic coherent allocation\n", + (unsigned)pool->size / 1024); return -ENOMEM; } /* * CMA is activated by core_initcall, so we must be called after it. */ -postcore_initcall(coherent_init); +postcore_initcall(atomic_pool_init); struct dma_contig_early_reserve { phys_addr_t base; @@ -406,112 +376,6 @@ void __init dma_contiguous_remap(void) } } -static void * -__dma_alloc_remap(struct page *page, size_t size, gfp_t gfp, pgprot_t prot, - const void *caller) -{ - struct arm_vmregion *c; - size_t align; - int bit; - - if (!consistent_pte) { - pr_err("%s: not initialised\n", __func__); - dump_stack(); - return NULL; - } - - /* - * Align the virtual region allocation - maximum alignment is - * a section size, minimum is a page size. This helps reduce - * fragmentation of the DMA space, and also prevents allocations - * smaller than a section from crossing a section boundary. - */ - bit = fls(size - 1); - if (bit > SECTION_SHIFT) - bit = SECTION_SHIFT; - align = 1 << bit; - - /* - * Allocate a virtual address in the consistent mapping region. - */ - c = arm_vmregion_alloc(&consistent_head, align, size, - gfp & ~(__GFP_DMA | __GFP_HIGHMEM), caller); - if (c) { - pte_t *pte; - int idx = CONSISTENT_PTE_INDEX(c->vm_start); - u32 off = CONSISTENT_OFFSET(c->vm_start) & (PTRS_PER_PTE-1); - - pte = consistent_pte[idx] + off; - c->priv = page; - - do { - BUG_ON(!pte_none(*pte)); - - set_pte_ext(pte, mk_pte(page, prot), 0); - page++; - pte++; - off++; - if (off >= PTRS_PER_PTE) { - off = 0; - pte = consistent_pte[++idx]; - } - } while (size -= PAGE_SIZE); - - dsb(); - - return (void *)c->vm_start; - } - return NULL; -} - -static void __dma_free_remap(void *cpu_addr, size_t size) -{ - struct arm_vmregion *c; - unsigned long addr; - pte_t *ptep; - int idx; - u32 off; - - c = arm_vmregion_find_remove(&consistent_head, (unsigned long)cpu_addr); - if (!c) { - pr_err("%s: trying to free invalid coherent area: %p\n", - __func__, cpu_addr); - dump_stack(); - return; - } - - if ((c->vm_end - c->vm_start) != size) { - pr_err("%s: freeing wrong coherent size (%ld != %d)\n", - __func__, c->vm_end - c->vm_start, size); - dump_stack(); - size = c->vm_end - c->vm_start; - } - - idx = CONSISTENT_PTE_INDEX(c->vm_start); - off = CONSISTENT_OFFSET(c->vm_start) & (PTRS_PER_PTE-1); - ptep = consistent_pte[idx] + off; - addr = c->vm_start; - do { - pte_t pte = ptep_get_and_clear(&init_mm, addr, ptep); - - ptep++; - addr += PAGE_SIZE; - off++; - if (off >= PTRS_PER_PTE) { - off = 0; - ptep = consistent_pte[++idx]; - } - - if (pte_none(pte) || !pte_present(pte)) - pr_crit("%s: bad page in kernel page table\n", - __func__); - } while (size -= PAGE_SIZE); - - flush_tlb_kernel_range(c->vm_start, c->vm_end); - - arm_vmregion_free(&consistent_head, c); -} - static int __dma_update_pte(pte_t *pte, pgtable_t token, unsigned long addr, void *data) { @@ -552,16 +416,17 @@ static void *__alloc_remap_buffer(struct device *dev, size_t size, gfp_t gfp, return ptr; } -static void *__alloc_from_pool(struct device *dev, size_t size, - struct page **ret_page, const void *caller) +static void *__alloc_from_pool(size_t size, struct page **ret_page) { - struct arm_vmregion *c; + struct dma_pool *pool = &atomic_pool; + unsigned int count = PAGE_ALIGN(size) >> PAGE_SHIFT; + unsigned int pageno; + unsigned long flags; + void *ptr = NULL; size_t align; - if (!coherent_head.vm_start) { - printk(KERN_ERR "%s: coherent pool not initialised!\n", - __func__); - dump_stack(); + if (!pool->vaddr) { + WARN(1, "coherent pool not initialised!\n"); return NULL; } @@ -571,35 +436,41 @@ static void *__alloc_from_pool(struct device *dev, size_t size, * size. This helps reduce fragmentation of the DMA space. */ align = PAGE_SIZE << get_order(size); - c = arm_vmregion_alloc(&coherent_head, align, size, 0, caller); - if (c) { - void *ptr = (void *)c->vm_start; - struct page *page = virt_to_page(ptr); - *ret_page = page; - return ptr; + + spin_lock_irqsave(&pool->lock, flags); + pageno = bitmap_find_next_zero_area(pool->bitmap, pool->nr_pages, + 0, count, (1 << align) - 1); + if (pageno < pool->nr_pages) { + bitmap_set(pool->bitmap, pageno, count); + ptr = pool->vaddr + PAGE_SIZE * pageno; + *ret_page = pool->page + pageno; } - return NULL; + spin_unlock_irqrestore(&pool->lock, flags); + + return ptr; } -static int __free_from_pool(void *cpu_addr, size_t size) +static int __free_from_pool(void *start, size_t size) { - unsigned long start = (unsigned long)cpu_addr; - unsigned long end = start + size; - struct arm_vmregion *c; + struct dma_pool *pool = &atomic_pool; + unsigned long pageno, count; + unsigned long flags; - if (start < coherent_head.vm_start || end > coherent_head.vm_end) + if (start < pool->vaddr || start > pool->vaddr + pool->size) return 0; - c = arm_vmregion_find_remove(&coherent_head, (unsigned long)start); - - if ((c->vm_end - c->vm_start) != size) { - printk(KERN_ERR "%s: freeing wrong coherent size (%ld != %d)\n", - __func__, c->vm_end - c->vm_start, size); - dump_stack(); - size = c->vm_end - c->vm_start; + if (start + size > pool->vaddr + pool->size) { + WARN(1, "freeing wrong coherent size from pool\n"); + return 0; } - arm_vmregion_free(&coherent_head, c); + pageno = (start - pool->vaddr) >> PAGE_SHIFT; + count = size >> PAGE_SHIFT; + + spin_lock_irqsave(&pool->lock, flags); + bitmap_clear(pool->bitmap, pageno, count); + spin_unlock_irqrestore(&pool->lock, flags); + return 1; } @@ -644,7 +515,7 @@ static inline pgprot_t __get_dma_pgprot(struct dma_attrs *attrs, pgprot_t prot) #define __get_dma_pgprot(attrs, prot) __pgprot(0) #define __alloc_remap_buffer(dev, size, gfp, prot, ret, c) NULL -#define __alloc_from_pool(dev, size, ret_page, c) NULL +#define __alloc_from_pool(size, ret_page) NULL #define __alloc_from_contiguous(dev, size, prot, ret) NULL #define __free_from_pool(cpu_addr, size) 0 #define __free_from_contiguous(dev, page, size) do { } while (0) @@ -702,10 +573,10 @@ static void *__dma_alloc(struct device *dev, size_t size, dma_addr_t *handle, if (arch_is_coherent() || nommu()) addr = __alloc_simple_buffer(dev, size, gfp, &page); + else if (gfp & GFP_ATOMIC) + addr = __alloc_from_pool(size, &page); else if (!IS_ENABLED(CONFIG_CMA)) addr = __alloc_remap_buffer(dev, size, gfp, prot, &page, caller); - else if (gfp & GFP_ATOMIC) - addr = __alloc_from_pool(dev, size, &page, caller); else addr = __alloc_from_contiguous(dev, size, prot, &page); @@ -741,16 +612,22 @@ int arm_dma_mmap(struct device *dev, struct vm_area_struct *vma, { int ret = -ENXIO; #ifdef CONFIG_MMU + unsigned long nr_vma_pages = (vma->vm_end - vma->vm_start) >> PAGE_SHIFT; + unsigned long nr_pages = PAGE_ALIGN(size) >> PAGE_SHIFT; unsigned long pfn = dma_to_pfn(dev, dma_addr); + unsigned long off = vma->vm_pgoff; + vma->vm_page_prot = __get_dma_pgprot(attrs, vma->vm_page_prot); if (dma_mmap_from_coherent(dev, vma, cpu_addr, size, &ret)) return ret; - ret = remap_pfn_range(vma, vma->vm_start, - pfn + vma->vm_pgoff, - vma->vm_end - vma->vm_start, - vma->vm_page_prot); + if (off < nr_pages && nr_vma_pages <= (nr_pages - off)) { + ret = remap_pfn_range(vma, vma->vm_start, + pfn + off, + vma->vm_end - vma->vm_start, + vma->vm_page_prot); + } #endif /* CONFIG_MMU */ return ret; @@ -785,6 +662,21 @@ void arm_dma_free(struct device *dev, size_t size, void *cpu_addr, } } +int arm_dma_get_sgtable(struct device *dev, struct sg_table *sgt, + void *cpu_addr, dma_addr_t handle, size_t size, + struct dma_attrs *attrs) +{ + struct page *page = pfn_to_page(dma_to_pfn(dev, handle)); + int ret; + + ret = sg_alloc_table(sgt, 1, GFP_KERNEL); + if (unlikely(ret)) + return ret; + + sg_set_page(sgt->sgl, page, PAGE_ALIGN(size), 0); + return 0; +} + static void dma_cache_maint_page(struct page *page, unsigned long offset, size_t size, enum dma_data_direction dir, void (*op)(const void *, size_t, int)) @@ -998,9 +890,6 @@ static int arm_dma_set_mask(struct device *dev, u64 dma_mask) static int __init dma_debug_do_init(void) { -#ifdef CONFIG_MMU - arm_vmregion_create_proc("dma-mappings", &consistent_head); -#endif dma_debug_init(PREALLOC_DMA_DEBUG_ENTRIES); return 0; } @@ -1088,7 +977,7 @@ static struct page **__iommu_alloc_buffer(struct device *dev, size_t size, gfp_t return pages; error: - while (--i) + while (i--) if (pages[i]) __free_pages(pages[i], 0); if (array_size <= PAGE_SIZE) @@ -1117,61 +1006,32 @@ static int __iommu_free_buffer(struct device *dev, struct page **pages, size_t s * Create a CPU mapping for a specified pages */ static void * -__iommu_alloc_remap(struct page **pages, size_t size, gfp_t gfp, pgprot_t prot) +__iommu_alloc_remap(struct page **pages, size_t size, gfp_t gfp, pgprot_t prot, + const void *caller) { - struct arm_vmregion *c; - size_t align; - size_t count = size >> PAGE_SHIFT; - int bit; + unsigned int i, nr_pages = PAGE_ALIGN(size) >> PAGE_SHIFT; + struct vm_struct *area; + unsigned long p; - if (!consistent_pte[0]) { - pr_err("%s: not initialised\n", __func__); - dump_stack(); + area = get_vm_area_caller(size, VM_ARM_DMA_CONSISTENT | VM_USERMAP, + caller); + if (!area) return NULL; - } - - /* - * Align the virtual region allocation - maximum alignment is - * a section size, minimum is a page size. This helps reduce - * fragmentation of the DMA space, and also prevents allocations - * smaller than a section from crossing a section boundary. - */ - bit = fls(size - 1); - if (bit > SECTION_SHIFT) - bit = SECTION_SHIFT; - align = 1 << bit; - - /* - * Allocate a virtual address in the consistent mapping region. - */ - c = arm_vmregion_alloc(&consistent_head, align, size, - gfp & ~(__GFP_DMA | __GFP_HIGHMEM), NULL); - if (c) { - pte_t *pte; - int idx = CONSISTENT_PTE_INDEX(c->vm_start); - int i = 0; - u32 off = CONSISTENT_OFFSET(c->vm_start) & (PTRS_PER_PTE-1); - - pte = consistent_pte[idx] + off; - c->priv = pages; - - do { - BUG_ON(!pte_none(*pte)); - - set_pte_ext(pte, mk_pte(pages[i], prot), 0); - pte++; - off++; - i++; - if (off >= PTRS_PER_PTE) { - off = 0; - pte = consistent_pte[++idx]; - } - } while (i < count); - dsb(); + area->pages = pages; + area->nr_pages = nr_pages; + p = (unsigned long)area->addr; - return (void *)c->vm_start; + for (i = 0; i < nr_pages; i++) { + phys_addr_t phys = __pfn_to_phys(page_to_pfn(pages[i])); + if (ioremap_page_range(p, p + PAGE_SIZE, phys, prot)) + goto err; + p += PAGE_SIZE; } + return area->addr; +err: + unmap_kernel_range((unsigned long)area->addr, size); + vunmap(area->addr); return NULL; } @@ -1230,6 +1090,19 @@ static int __iommu_remove_mapping(struct device *dev, dma_addr_t iova, size_t si return 0; } +static struct page **__iommu_get_pages(void *cpu_addr, struct dma_attrs *attrs) +{ + struct vm_struct *area; + + if (dma_get_attr(DMA_ATTR_NO_KERNEL_MAPPING, attrs)) + return cpu_addr; + + area = find_vm_area(cpu_addr); + if (area && (area->flags & VM_ARM_DMA_CONSISTENT)) + return area->pages; + return NULL; +} + static void *arm_iommu_alloc_attrs(struct device *dev, size_t size, dma_addr_t *handle, gfp_t gfp, struct dma_attrs *attrs) { @@ -1248,7 +1121,11 @@ static void *arm_iommu_alloc_attrs(struct device *dev, size_t size, if (*handle == DMA_ERROR_CODE) goto err_buffer; - addr = __iommu_alloc_remap(pages, size, gfp, prot); + if (dma_get_attr(DMA_ATTR_NO_KERNEL_MAPPING, attrs)) + return pages; + + addr = __iommu_alloc_remap(pages, size, gfp, prot, + __builtin_return_address(0)); if (!addr) goto err_mapping; @@ -1265,31 +1142,25 @@ static int arm_iommu_mmap_attrs(struct device *dev, struct vm_area_struct *vma, void *cpu_addr, dma_addr_t dma_addr, size_t size, struct dma_attrs *attrs) { - struct arm_vmregion *c; + unsigned long uaddr = vma->vm_start; + unsigned long usize = vma->vm_end - vma->vm_start; + struct page **pages = __iommu_get_pages(cpu_addr, attrs); vma->vm_page_prot = __get_dma_pgprot(attrs, vma->vm_page_prot); - c = arm_vmregion_find(&consistent_head, (unsigned long)cpu_addr); - - if (c) { - struct page **pages = c->priv; - - unsigned long uaddr = vma->vm_start; - unsigned long usize = vma->vm_end - vma->vm_start; - int i = 0; - do { - int ret; + if (!pages) + return -ENXIO; - ret = vm_insert_page(vma, uaddr, pages[i++]); - if (ret) { - pr_err("Remapping memory, error: %d\n", ret); - return ret; - } + do { + int ret = vm_insert_page(vma, uaddr, *pages++); + if (ret) { + pr_err("Remapping memory failed: %d\n", ret); + return ret; + } + uaddr += PAGE_SIZE; + usize -= PAGE_SIZE; + } while (usize > 0); - uaddr += PAGE_SIZE; - usize -= PAGE_SIZE; - } while (usize > 0); - } return 0; } @@ -1300,16 +1171,35 @@ static int arm_iommu_mmap_attrs(struct device *dev, struct vm_area_struct *vma, void arm_iommu_free_attrs(struct device *dev, size_t size, void *cpu_addr, dma_addr_t handle, struct dma_attrs *attrs) { - struct arm_vmregion *c; + struct page **pages = __iommu_get_pages(cpu_addr, attrs); size = PAGE_ALIGN(size); - c = arm_vmregion_find(&consistent_head, (unsigned long)cpu_addr); - if (c) { - struct page **pages = c->priv; - __dma_free_remap(cpu_addr, size); - __iommu_remove_mapping(dev, handle, size); - __iommu_free_buffer(dev, pages, size); + if (!pages) { + WARN(1, "trying to free invalid coherent area: %p\n", cpu_addr); + return; } + + if (!dma_get_attr(DMA_ATTR_NO_KERNEL_MAPPING, attrs)) { + unmap_kernel_range((unsigned long)cpu_addr, size); + vunmap(cpu_addr); + } + + __iommu_remove_mapping(dev, handle, size); + __iommu_free_buffer(dev, pages, size); +} + +static int arm_iommu_get_sgtable(struct device *dev, struct sg_table *sgt, + void *cpu_addr, dma_addr_t dma_addr, + size_t size, struct dma_attrs *attrs) +{ + unsigned int count = PAGE_ALIGN(size) >> PAGE_SHIFT; + struct page **pages = __iommu_get_pages(cpu_addr, attrs); + + if (!pages) + return -ENXIO; + + return sg_alloc_table_from_pages(sgt, pages, count, 0, size, + GFP_KERNEL); } /* @@ -1317,7 +1207,7 @@ void arm_iommu_free_attrs(struct device *dev, size_t size, void *cpu_addr, */ static int __map_sg_chunk(struct device *dev, struct scatterlist *sg, size_t size, dma_addr_t *handle, - enum dma_data_direction dir) + enum dma_data_direction dir, struct dma_attrs *attrs) { struct dma_iommu_mapping *mapping = dev->archdata.mapping; dma_addr_t iova, iova_base; @@ -1336,7 +1226,8 @@ static int __map_sg_chunk(struct device *dev, struct scatterlist *sg, phys_addr_t phys = page_to_phys(sg_page(s)); unsigned int len = PAGE_ALIGN(s->offset + s->length); - if (!arch_is_coherent()) + if (!arch_is_coherent() && + !dma_get_attr(DMA_ATTR_SKIP_CPU_SYNC, attrs)) __dma_page_cpu_to_dev(sg_page(s), s->offset, s->length, dir); ret = iommu_map(mapping->domain, iova, phys, len, 0); @@ -1383,7 +1274,7 @@ int arm_iommu_map_sg(struct device *dev, struct scatterlist *sg, int nents, if (s->offset || (size & ~PAGE_MASK) || size + s->length > max) { if (__map_sg_chunk(dev, start, size, &dma->dma_address, - dir) < 0) + dir, attrs) < 0) goto bad_mapping; dma->dma_address += offset; @@ -1396,7 +1287,7 @@ int arm_iommu_map_sg(struct device *dev, struct scatterlist *sg, int nents, } size += s->length; } - if (__map_sg_chunk(dev, start, size, &dma->dma_address, dir) < 0) + if (__map_sg_chunk(dev, start, size, &dma->dma_address, dir, attrs) < 0) goto bad_mapping; dma->dma_address += offset; @@ -1430,7 +1321,8 @@ void arm_iommu_unmap_sg(struct device *dev, struct scatterlist *sg, int nents, if (sg_dma_len(s)) __iommu_remove_mapping(dev, sg_dma_address(s), sg_dma_len(s)); - if (!arch_is_coherent()) + if (!arch_is_coherent() && + !dma_get_attr(DMA_ATTR_SKIP_CPU_SYNC, attrs)) __dma_page_dev_to_cpu(sg_page(s), s->offset, s->length, dir); } @@ -1492,7 +1384,7 @@ static dma_addr_t arm_iommu_map_page(struct device *dev, struct page *page, dma_addr_t dma_addr; int ret, len = PAGE_ALIGN(size + offset); - if (!arch_is_coherent()) + if (!arch_is_coherent() && !dma_get_attr(DMA_ATTR_SKIP_CPU_SYNC, attrs)) __dma_page_cpu_to_dev(page, offset, size, dir); dma_addr = __alloc_iova(mapping, len); @@ -1531,7 +1423,7 @@ static void arm_iommu_unmap_page(struct device *dev, dma_addr_t handle, if (!iova) return; - if (!arch_is_coherent()) + if (!arch_is_coherent() && !dma_get_attr(DMA_ATTR_SKIP_CPU_SYNC, attrs)) __dma_page_dev_to_cpu(page, offset, size, dir); iommu_unmap(mapping->domain, iova, len); @@ -1571,6 +1463,7 @@ struct dma_map_ops iommu_ops = { .alloc = arm_iommu_alloc_attrs, .free = arm_iommu_free_attrs, .mmap = arm_iommu_mmap_attrs, + .get_sgtable = arm_iommu_get_sgtable, .map_page = arm_iommu_map_page, .unmap_page = arm_iommu_unmap_page, diff --git a/arch/arm/mm/mm.h b/arch/arm/mm/mm.h index 2e8a1ef..6776160 100644 --- a/arch/arm/mm/mm.h +++ b/arch/arm/mm/mm.h @@ -59,6 +59,9 @@ extern void __flush_dcache_page(struct address_space *mapping, struct page *page #define VM_ARM_MTYPE(mt) ((mt) << 20) #define VM_ARM_MTYPE_MASK (0x1f << 20) +/* consistent regions used by dma_alloc_attrs() */ +#define VM_ARM_DMA_CONSISTENT 0x20000000 + #endif #ifdef CONFIG_ZONE_DMA diff --git a/arch/arm/mm/tlb-v7.S b/arch/arm/mm/tlb-v7.S index 845f461..c202113 100644 --- a/arch/arm/mm/tlb-v7.S +++ b/arch/arm/mm/tlb-v7.S @@ -38,11 +38,19 @@ ENTRY(v7wbi_flush_user_tlb_range) dsb mov r0, r0, lsr #PAGE_SHIFT @ align address mov r1, r1, lsr #PAGE_SHIFT +#ifdef CONFIG_ARM_ERRATA_720789 + mov r3, #0 +#else asid r3, r3 @ mask ASID +#endif orr r0, r3, r0, lsl #PAGE_SHIFT @ Create initial MVA mov r1, r1, lsl #PAGE_SHIFT 1: +#ifdef CONFIG_ARM_ERRATA_720789 + ALT_SMP(mcr p15, 0, r0, c8, c3, 3) @ TLB invalidate U MVA all ASID (shareable) +#else ALT_SMP(mcr p15, 0, r0, c8, c3, 1) @ TLB invalidate U MVA (shareable) +#endif ALT_UP(mcr p15, 0, r0, c8, c7, 1) @ TLB invalidate U MVA add r0, r0, #PAGE_SZ @@ -67,7 +75,11 @@ ENTRY(v7wbi_flush_kern_tlb_range) mov r0, r0, lsl #PAGE_SHIFT mov r1, r1, lsl #PAGE_SHIFT 1: +#ifdef CONFIG_ARM_ERRATA_720789 + ALT_SMP(mcr p15, 0, r0, c8, c3, 3) @ TLB invalidate U MVA all ASID (shareable) +#else ALT_SMP(mcr p15, 0, r0, c8, c3, 1) @ TLB invalidate U MVA (shareable) +#endif ALT_UP(mcr p15, 0, r0, c8, c7, 1) @ TLB invalidate U MVA add r0, r0, #PAGE_SZ cmp r0, r1 diff --git a/arch/arm/plat-mxc/Kconfig b/arch/arm/plat-mxc/Kconfig index c722f9c..baf9064 100644 --- a/arch/arm/plat-mxc/Kconfig +++ b/arch/arm/plat-mxc/Kconfig @@ -47,12 +47,6 @@ config MXC_TZIC config MXC_AVIC bool -config MXC_PWM - tristate "Enable PWM driver" - select HAVE_PWM - help - Enable support for the i.MX PWM controller(s). - config MXC_DEBUG_BOARD bool "Enable MXC debug board(for 3-stack)" help diff --git a/arch/arm/plat-mxc/Makefile b/arch/arm/plat-mxc/Makefile index 63b064b..6ac7200 100644 --- a/arch/arm/plat-mxc/Makefile +++ b/arch/arm/plat-mxc/Makefile @@ -11,7 +11,6 @@ obj-$(CONFIG_MXC_AVIC) += avic.o obj-$(CONFIG_IMX_HAVE_IOMUX_V1) += iomux-v1.o obj-$(CONFIG_ARCH_MXC_IOMUX_V3) += iomux-v3.o obj-$(CONFIG_IRAM_ALLOC) += iram_alloc.o -obj-$(CONFIG_MXC_PWM) += pwm.o obj-$(CONFIG_MXC_ULPI) += ulpi.o obj-$(CONFIG_MXC_USE_EPIT) += epit.o obj-$(CONFIG_MXC_DEBUG_BOARD) += 3ds_debugboard.o diff --git a/arch/arm/plat-mxc/include/mach/i2c.h b/arch/arm/plat-mxc/include/mach/i2c.h index 375cdd0..8289d91 100644 --- a/arch/arm/plat-mxc/include/mach/i2c.h +++ b/arch/arm/plat-mxc/include/mach/i2c.h @@ -15,7 +15,7 @@ * **/ struct imxi2c_platform_data { - int bitrate; + u32 bitrate; }; #endif /* __ASM_ARCH_I2C_H_ */ diff --git a/arch/arm/plat-mxc/pwm.c b/arch/arm/plat-mxc/pwm.c deleted file mode 100644 index c0cab22..0000000 --- a/arch/arm/plat-mxc/pwm.c +++ /dev/null @@ -1,306 +0,0 @@ -/* - * simple driver for PWM (Pulse Width Modulator) controller - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * Derived from pxa PWM driver by eric miao <eric.miao@marvell.com> - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/platform_device.h> -#include <linux/slab.h> -#include <linux/err.h> -#include <linux/clk.h> -#include <linux/io.h> -#include <linux/pwm.h> -#include <mach/hardware.h> - - -/* i.MX1 and i.MX21 share the same PWM function block: */ - -#define MX1_PWMC 0x00 /* PWM Control Register */ -#define MX1_PWMS 0x04 /* PWM Sample Register */ -#define MX1_PWMP 0x08 /* PWM Period Register */ - - -/* i.MX27, i.MX31, i.MX35 share the same PWM function block: */ - -#define MX3_PWMCR 0x00 /* PWM Control Register */ -#define MX3_PWMSAR 0x0C /* PWM Sample Register */ -#define MX3_PWMPR 0x10 /* PWM Period Register */ -#define MX3_PWMCR_PRESCALER(x) (((x - 1) & 0xFFF) << 4) -#define MX3_PWMCR_DOZEEN (1 << 24) -#define MX3_PWMCR_WAITEN (1 << 23) -#define MX3_PWMCR_DBGEN (1 << 22) -#define MX3_PWMCR_CLKSRC_IPG_HIGH (2 << 16) -#define MX3_PWMCR_CLKSRC_IPG (1 << 16) -#define MX3_PWMCR_EN (1 << 0) - - - -struct pwm_device { - struct list_head node; - struct platform_device *pdev; - - const char *label; - struct clk *clk; - - int clk_enabled; - void __iomem *mmio_base; - - unsigned int use_count; - unsigned int pwm_id; -}; - -int pwm_config(struct pwm_device *pwm, int duty_ns, int period_ns) -{ - if (pwm == NULL || period_ns == 0 || duty_ns > period_ns) - return -EINVAL; - - if (!(cpu_is_mx1() || cpu_is_mx21())) { - unsigned long long c; - unsigned long period_cycles, duty_cycles, prescale; - u32 cr; - - c = clk_get_rate(pwm->clk); - c = c * period_ns; - do_div(c, 1000000000); - period_cycles = c; - - prescale = period_cycles / 0x10000 + 1; - - period_cycles /= prescale; - c = (unsigned long long)period_cycles * duty_ns; - do_div(c, period_ns); - duty_cycles = c; - - /* - * according to imx pwm RM, the real period value should be - * PERIOD value in PWMPR plus 2. - */ - if (period_cycles > 2) - period_cycles -= 2; - else - period_cycles = 0; - - writel(duty_cycles, pwm->mmio_base + MX3_PWMSAR); - writel(period_cycles, pwm->mmio_base + MX3_PWMPR); - - cr = MX3_PWMCR_PRESCALER(prescale) | - MX3_PWMCR_DOZEEN | MX3_PWMCR_WAITEN | - MX3_PWMCR_DBGEN | MX3_PWMCR_EN; - - if (cpu_is_mx25()) - cr |= MX3_PWMCR_CLKSRC_IPG; - else - cr |= MX3_PWMCR_CLKSRC_IPG_HIGH; - - writel(cr, pwm->mmio_base + MX3_PWMCR); - } else if (cpu_is_mx1() || cpu_is_mx21()) { - /* The PWM subsystem allows for exact frequencies. However, - * I cannot connect a scope on my device to the PWM line and - * thus cannot provide the program the PWM controller - * exactly. Instead, I'm relying on the fact that the - * Bootloader (u-boot or WinCE+haret) has programmed the PWM - * function group already. So I'll just modify the PWM sample - * register to follow the ratio of duty_ns vs. period_ns - * accordingly. - * - * This is good enough for programming the brightness of - * the LCD backlight. - * - * The real implementation would divide PERCLK[0] first by - * both the prescaler (/1 .. /128) and then by CLKSEL - * (/2 .. /16). - */ - u32 max = readl(pwm->mmio_base + MX1_PWMP); - u32 p = max * duty_ns / period_ns; - writel(max - p, pwm->mmio_base + MX1_PWMS); - } else { - BUG(); - } - - return 0; -} -EXPORT_SYMBOL(pwm_config); - -int pwm_enable(struct pwm_device *pwm) -{ - int rc = 0; - - if (!pwm->clk_enabled) { - rc = clk_prepare_enable(pwm->clk); - if (!rc) - pwm->clk_enabled = 1; - } - return rc; -} -EXPORT_SYMBOL(pwm_enable); - -void pwm_disable(struct pwm_device *pwm) -{ - writel(0, pwm->mmio_base + MX3_PWMCR); - - if (pwm->clk_enabled) { - clk_disable_unprepare(pwm->clk); - pwm->clk_enabled = 0; - } -} -EXPORT_SYMBOL(pwm_disable); - -static DEFINE_MUTEX(pwm_lock); -static LIST_HEAD(pwm_list); - -struct pwm_device *pwm_request(int pwm_id, const char *label) -{ - struct pwm_device *pwm; - int found = 0; - - mutex_lock(&pwm_lock); - - list_for_each_entry(pwm, &pwm_list, node) { - if (pwm->pwm_id == pwm_id) { - found = 1; - break; - } - } - - if (found) { - if (pwm->use_count == 0) { - pwm->use_count++; - pwm->label = label; - } else - pwm = ERR_PTR(-EBUSY); - } else - pwm = ERR_PTR(-ENOENT); - - mutex_unlock(&pwm_lock); - return pwm; -} -EXPORT_SYMBOL(pwm_request); - -void pwm_free(struct pwm_device *pwm) -{ - mutex_lock(&pwm_lock); - - if (pwm->use_count) { - pwm->use_count--; - pwm->label = NULL; - } else - pr_warning("PWM device already freed\n"); - - mutex_unlock(&pwm_lock); -} -EXPORT_SYMBOL(pwm_free); - -static int __devinit mxc_pwm_probe(struct platform_device *pdev) -{ - struct pwm_device *pwm; - struct resource *r; - int ret = 0; - - pwm = kzalloc(sizeof(struct pwm_device), GFP_KERNEL); - if (pwm == NULL) { - dev_err(&pdev->dev, "failed to allocate memory\n"); - return -ENOMEM; - } - - pwm->clk = clk_get(&pdev->dev, "pwm"); - - if (IS_ERR(pwm->clk)) { - ret = PTR_ERR(pwm->clk); - goto err_free; - } - - pwm->clk_enabled = 0; - - pwm->use_count = 0; - pwm->pwm_id = pdev->id; - pwm->pdev = pdev; - - r = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (r == NULL) { - dev_err(&pdev->dev, "no memory resource defined\n"); - ret = -ENODEV; - goto err_free_clk; - } - - r = request_mem_region(r->start, resource_size(r), pdev->name); - if (r == NULL) { - dev_err(&pdev->dev, "failed to request memory resource\n"); - ret = -EBUSY; - goto err_free_clk; - } - - pwm->mmio_base = ioremap(r->start, resource_size(r)); - if (pwm->mmio_base == NULL) { - dev_err(&pdev->dev, "failed to ioremap() registers\n"); - ret = -ENODEV; - goto err_free_mem; - } - - mutex_lock(&pwm_lock); - list_add_tail(&pwm->node, &pwm_list); - mutex_unlock(&pwm_lock); - - platform_set_drvdata(pdev, pwm); - return 0; - -err_free_mem: - release_mem_region(r->start, resource_size(r)); -err_free_clk: - clk_put(pwm->clk); -err_free: - kfree(pwm); - return ret; -} - -static int __devexit mxc_pwm_remove(struct platform_device *pdev) -{ - struct pwm_device *pwm; - struct resource *r; - - pwm = platform_get_drvdata(pdev); - if (pwm == NULL) - return -ENODEV; - - mutex_lock(&pwm_lock); - list_del(&pwm->node); - mutex_unlock(&pwm_lock); - - iounmap(pwm->mmio_base); - - r = platform_get_resource(pdev, IORESOURCE_MEM, 0); - release_mem_region(r->start, resource_size(r)); - - clk_put(pwm->clk); - - kfree(pwm); - return 0; -} - -static struct platform_driver mxc_pwm_driver = { - .driver = { - .name = "mxc_pwm", - }, - .probe = mxc_pwm_probe, - .remove = __devexit_p(mxc_pwm_remove), -}; - -static int __init mxc_pwm_init(void) -{ - return platform_driver_register(&mxc_pwm_driver); -} -arch_initcall(mxc_pwm_init); - -static void __exit mxc_pwm_exit(void) -{ - platform_driver_unregister(&mxc_pwm_driver); -} -module_exit(mxc_pwm_exit); - -MODULE_LICENSE("GPL v2"); -MODULE_AUTHOR("Sascha Hauer <s.hauer@pengutronix.de>"); diff --git a/arch/arm/plat-nomadik/include/plat/i2c.h b/arch/arm/plat-nomadik/include/plat/i2c.h deleted file mode 100644 index 8ba70ff..0000000 --- a/arch/arm/plat-nomadik/include/plat/i2c.h +++ /dev/null @@ -1,39 +0,0 @@ -/* - * Copyright (C) 2009 ST-Ericsson - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2, as - * published by the Free Software Foundation. - */ -#ifndef __PLAT_I2C_H -#define __PLAT_I2C_H - -enum i2c_freq_mode { - I2C_FREQ_MODE_STANDARD, /* up to 100 Kb/s */ - I2C_FREQ_MODE_FAST, /* up to 400 Kb/s */ - I2C_FREQ_MODE_HIGH_SPEED, /* up to 3.4 Mb/s */ - I2C_FREQ_MODE_FAST_PLUS, /* up to 1 Mb/s */ -}; - -/** - * struct nmk_i2c_controller - client specific controller configuration - * @clk_freq: clock frequency for the operation mode - * @slsu: Slave data setup time in ns. - * The needed setup time for three modes of operation - * are 250ns, 100ns and 10ns respectively thus leading - * to the values of 14, 6, 2 for a 48 MHz i2c clk - * @tft: Tx FIFO Threshold in bytes - * @rft: Rx FIFO Threshold in bytes - * @timeout Slave response timeout(ms) - * @sm: speed mode - */ -struct nmk_i2c_controller { - unsigned long clk_freq; - unsigned short slsu; - unsigned char tft; - unsigned char rft; - int timeout; - enum i2c_freq_mode sm; -}; - -#endif /* __PLAT_I2C_H */ diff --git a/arch/arm/plat-omap/include/plat/mmc.h b/arch/arm/plat-omap/include/plat/mmc.h index 5493bd9..eb3e4d5 100644 --- a/arch/arm/plat-omap/include/plat/mmc.h +++ b/arch/arm/plat-omap/include/plat/mmc.h @@ -81,8 +81,6 @@ struct omap_mmc_platform_data { /* Return context loss count due to PM states changing */ int (*get_context_loss_count)(struct device *dev); - u64 dma_mask; - /* Integrating attributes from the omap_hwmod layer */ u8 controller_flags; diff --git a/arch/arm/plat-pxa/Makefile b/arch/arm/plat-pxa/Makefile index f302d04..af8e484 100644 --- a/arch/arm/plat-pxa/Makefile +++ b/arch/arm/plat-pxa/Makefile @@ -8,5 +8,4 @@ obj-$(CONFIG_PXA3xx) += mfp.o obj-$(CONFIG_PXA95x) += mfp.o obj-$(CONFIG_ARCH_MMP) += mfp.o -obj-$(CONFIG_HAVE_PWM) += pwm.o obj-$(CONFIG_PXA_SSP) += ssp.o diff --git a/arch/arm/plat-pxa/pwm.c b/arch/arm/plat-pxa/pwm.c deleted file mode 100644 index ef32686..0000000 --- a/arch/arm/plat-pxa/pwm.c +++ /dev/null @@ -1,304 +0,0 @@ -/* - * linux/arch/arm/mach-pxa/pwm.c - * - * simple driver for PWM (Pulse Width Modulator) controller - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * 2008-02-13 initial version - * eric miao <eric.miao@marvell.com> - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/platform_device.h> -#include <linux/slab.h> -#include <linux/err.h> -#include <linux/clk.h> -#include <linux/io.h> -#include <linux/pwm.h> - -#include <asm/div64.h> - -#define HAS_SECONDARY_PWM 0x10 -#define PWM_ID_BASE(d) ((d) & 0xf) - -static const struct platform_device_id pwm_id_table[] = { - /* PWM has_secondary_pwm? */ - { "pxa25x-pwm", 0 }, - { "pxa27x-pwm", 0 | HAS_SECONDARY_PWM }, - { "pxa168-pwm", 1 }, - { "pxa910-pwm", 1 }, - { }, -}; -MODULE_DEVICE_TABLE(platform, pwm_id_table); - -/* PWM registers and bits definitions */ -#define PWMCR (0x00) -#define PWMDCR (0x04) -#define PWMPCR (0x08) - -#define PWMCR_SD (1 << 6) -#define PWMDCR_FD (1 << 10) - -struct pwm_device { - struct list_head node; - struct pwm_device *secondary; - struct platform_device *pdev; - - const char *label; - struct clk *clk; - int clk_enabled; - void __iomem *mmio_base; - - unsigned int use_count; - unsigned int pwm_id; -}; - -/* - * period_ns = 10^9 * (PRESCALE + 1) * (PV + 1) / PWM_CLK_RATE - * duty_ns = 10^9 * (PRESCALE + 1) * DC / PWM_CLK_RATE - */ -int pwm_config(struct pwm_device *pwm, int duty_ns, int period_ns) -{ - unsigned long long c; - unsigned long period_cycles, prescale, pv, dc; - - if (pwm == NULL || period_ns == 0 || duty_ns > period_ns) - return -EINVAL; - - c = clk_get_rate(pwm->clk); - c = c * period_ns; - do_div(c, 1000000000); - period_cycles = c; - - if (period_cycles < 1) - period_cycles = 1; - prescale = (period_cycles - 1) / 1024; - pv = period_cycles / (prescale + 1) - 1; - - if (prescale > 63) - return -EINVAL; - - if (duty_ns == period_ns) - dc = PWMDCR_FD; - else - dc = (pv + 1) * duty_ns / period_ns; - - /* NOTE: the clock to PWM has to be enabled first - * before writing to the registers - */ - clk_enable(pwm->clk); - __raw_writel(prescale, pwm->mmio_base + PWMCR); - __raw_writel(dc, pwm->mmio_base + PWMDCR); - __raw_writel(pv, pwm->mmio_base + PWMPCR); - clk_disable(pwm->clk); - - return 0; -} -EXPORT_SYMBOL(pwm_config); - -int pwm_enable(struct pwm_device *pwm) -{ - int rc = 0; - - if (!pwm->clk_enabled) { - rc = clk_enable(pwm->clk); - if (!rc) - pwm->clk_enabled = 1; - } - return rc; -} -EXPORT_SYMBOL(pwm_enable); - -void pwm_disable(struct pwm_device *pwm) -{ - if (pwm->clk_enabled) { - clk_disable(pwm->clk); - pwm->clk_enabled = 0; - } -} -EXPORT_SYMBOL(pwm_disable); - -static DEFINE_MUTEX(pwm_lock); -static LIST_HEAD(pwm_list); - -struct pwm_device *pwm_request(int pwm_id, const char *label) -{ - struct pwm_device *pwm; - int found = 0; - - mutex_lock(&pwm_lock); - - list_for_each_entry(pwm, &pwm_list, node) { - if (pwm->pwm_id == pwm_id) { - found = 1; - break; - } - } - - if (found) { - if (pwm->use_count == 0) { - pwm->use_count++; - pwm->label = label; - } else - pwm = ERR_PTR(-EBUSY); - } else - pwm = ERR_PTR(-ENOENT); - - mutex_unlock(&pwm_lock); - return pwm; -} -EXPORT_SYMBOL(pwm_request); - -void pwm_free(struct pwm_device *pwm) -{ - mutex_lock(&pwm_lock); - - if (pwm->use_count) { - pwm->use_count--; - pwm->label = NULL; - } else - pr_warning("PWM device already freed\n"); - - mutex_unlock(&pwm_lock); -} -EXPORT_SYMBOL(pwm_free); - -static inline void __add_pwm(struct pwm_device *pwm) -{ - mutex_lock(&pwm_lock); - list_add_tail(&pwm->node, &pwm_list); - mutex_unlock(&pwm_lock); -} - -static int __devinit pwm_probe(struct platform_device *pdev) -{ - const struct platform_device_id *id = platform_get_device_id(pdev); - struct pwm_device *pwm, *secondary = NULL; - struct resource *r; - int ret = 0; - - pwm = kzalloc(sizeof(struct pwm_device), GFP_KERNEL); - if (pwm == NULL) { - dev_err(&pdev->dev, "failed to allocate memory\n"); - return -ENOMEM; - } - - pwm->clk = clk_get(&pdev->dev, NULL); - if (IS_ERR(pwm->clk)) { - ret = PTR_ERR(pwm->clk); - goto err_free; - } - pwm->clk_enabled = 0; - - pwm->use_count = 0; - pwm->pwm_id = PWM_ID_BASE(id->driver_data) + pdev->id; - pwm->pdev = pdev; - - r = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (r == NULL) { - dev_err(&pdev->dev, "no memory resource defined\n"); - ret = -ENODEV; - goto err_free_clk; - } - - r = request_mem_region(r->start, resource_size(r), pdev->name); - if (r == NULL) { - dev_err(&pdev->dev, "failed to request memory resource\n"); - ret = -EBUSY; - goto err_free_clk; - } - - pwm->mmio_base = ioremap(r->start, resource_size(r)); - if (pwm->mmio_base == NULL) { - dev_err(&pdev->dev, "failed to ioremap() registers\n"); - ret = -ENODEV; - goto err_free_mem; - } - - if (id->driver_data & HAS_SECONDARY_PWM) { - secondary = kzalloc(sizeof(struct pwm_device), GFP_KERNEL); - if (secondary == NULL) { - ret = -ENOMEM; - goto err_free_mem; - } - - *secondary = *pwm; - pwm->secondary = secondary; - - /* registers for the second PWM has offset of 0x10 */ - secondary->mmio_base = pwm->mmio_base + 0x10; - secondary->pwm_id = pdev->id + 2; - } - - __add_pwm(pwm); - if (secondary) - __add_pwm(secondary); - - platform_set_drvdata(pdev, pwm); - return 0; - -err_free_mem: - release_mem_region(r->start, resource_size(r)); -err_free_clk: - clk_put(pwm->clk); -err_free: - kfree(pwm); - return ret; -} - -static int __devexit pwm_remove(struct platform_device *pdev) -{ - struct pwm_device *pwm; - struct resource *r; - - pwm = platform_get_drvdata(pdev); - if (pwm == NULL) - return -ENODEV; - - mutex_lock(&pwm_lock); - - if (pwm->secondary) { - list_del(&pwm->secondary->node); - kfree(pwm->secondary); - } - - list_del(&pwm->node); - mutex_unlock(&pwm_lock); - - iounmap(pwm->mmio_base); - - r = platform_get_resource(pdev, IORESOURCE_MEM, 0); - release_mem_region(r->start, resource_size(r)); - - clk_put(pwm->clk); - kfree(pwm); - return 0; -} - -static struct platform_driver pwm_driver = { - .driver = { - .name = "pxa25x-pwm", - .owner = THIS_MODULE, - }, - .probe = pwm_probe, - .remove = __devexit_p(pwm_remove), - .id_table = pwm_id_table, -}; - -static int __init pwm_init(void) -{ - return platform_driver_register(&pwm_driver); -} -arch_initcall(pwm_init); - -static void __exit pwm_exit(void) -{ - platform_driver_unregister(&pwm_driver); -} -module_exit(pwm_exit); - -MODULE_LICENSE("GPL v2"); diff --git a/arch/arm/plat-samsung/Makefile b/arch/arm/plat-samsung/Makefile index b787174..9e40e8d 100644 --- a/arch/arm/plat-samsung/Makefile +++ b/arch/arm/plat-samsung/Makefile @@ -59,7 +59,3 @@ obj-$(CONFIG_SAMSUNG_WAKEMASK) += wakeup-mask.o obj-$(CONFIG_S5P_PM) += s5p-pm.o s5p-irq-pm.o obj-$(CONFIG_S5P_SLEEP) += s5p-sleep.o - -# PWM support - -obj-$(CONFIG_HAVE_PWM) += pwm.o diff --git a/arch/arm/plat-samsung/pwm.c b/arch/arm/plat-samsung/pwm.c deleted file mode 100644 index d358305..0000000 --- a/arch/arm/plat-samsung/pwm.c +++ /dev/null @@ -1,416 +0,0 @@ -/* arch/arm/plat-s3c/pwm.c - * - * Copyright (c) 2007 Ben Dooks - * Copyright (c) 2008 Simtec Electronics - * Ben Dooks <ben@simtec.co.uk>, <ben-linux@fluff.org> - * - * S3C series PWM device core - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License. -*/ - -#include <linux/export.h> -#include <linux/kernel.h> -#include <linux/platform_device.h> -#include <linux/slab.h> -#include <linux/err.h> -#include <linux/clk.h> -#include <linux/io.h> -#include <linux/pwm.h> - -#include <mach/map.h> - -#include <plat/regs-timer.h> - -struct pwm_device { - struct list_head list; - struct platform_device *pdev; - - struct clk *clk_div; - struct clk *clk; - const char *label; - - unsigned int period_ns; - unsigned int duty_ns; - - unsigned char tcon_base; - unsigned char use_count; - unsigned char pwm_id; -}; - -#define pwm_dbg(_pwm, msg...) dev_dbg(&(_pwm)->pdev->dev, msg) - -static struct clk *clk_scaler[2]; - -static inline int pwm_is_tdiv(struct pwm_device *pwm) -{ - return clk_get_parent(pwm->clk) == pwm->clk_div; -} - -static DEFINE_MUTEX(pwm_lock); -static LIST_HEAD(pwm_list); - -struct pwm_device *pwm_request(int pwm_id, const char *label) -{ - struct pwm_device *pwm; - int found = 0; - - mutex_lock(&pwm_lock); - - list_for_each_entry(pwm, &pwm_list, list) { - if (pwm->pwm_id == pwm_id) { - found = 1; - break; - } - } - - if (found) { - if (pwm->use_count == 0) { - pwm->use_count = 1; - pwm->label = label; - } else - pwm = ERR_PTR(-EBUSY); - } else - pwm = ERR_PTR(-ENOENT); - - mutex_unlock(&pwm_lock); - return pwm; -} - -EXPORT_SYMBOL(pwm_request); - - -void pwm_free(struct pwm_device *pwm) -{ - mutex_lock(&pwm_lock); - - if (pwm->use_count) { - pwm->use_count--; - pwm->label = NULL; - } else - printk(KERN_ERR "PWM%d device already freed\n", pwm->pwm_id); - - mutex_unlock(&pwm_lock); -} - -EXPORT_SYMBOL(pwm_free); - -#define pwm_tcon_start(pwm) (1 << (pwm->tcon_base + 0)) -#define pwm_tcon_invert(pwm) (1 << (pwm->tcon_base + 2)) -#define pwm_tcon_autoreload(pwm) (1 << (pwm->tcon_base + 3)) -#define pwm_tcon_manulupdate(pwm) (1 << (pwm->tcon_base + 1)) - -int pwm_enable(struct pwm_device *pwm) -{ - unsigned long flags; - unsigned long tcon; - - local_irq_save(flags); - - tcon = __raw_readl(S3C2410_TCON); - tcon |= pwm_tcon_start(pwm); - __raw_writel(tcon, S3C2410_TCON); - - local_irq_restore(flags); - - return 0; -} - -EXPORT_SYMBOL(pwm_enable); - -void pwm_disable(struct pwm_device *pwm) -{ - unsigned long flags; - unsigned long tcon; - - local_irq_save(flags); - - tcon = __raw_readl(S3C2410_TCON); - tcon &= ~pwm_tcon_start(pwm); - __raw_writel(tcon, S3C2410_TCON); - - local_irq_restore(flags); -} - -EXPORT_SYMBOL(pwm_disable); - -static unsigned long pwm_calc_tin(struct pwm_device *pwm, unsigned long freq) -{ - unsigned long tin_parent_rate; - unsigned int div; - - tin_parent_rate = clk_get_rate(clk_get_parent(pwm->clk_div)); - pwm_dbg(pwm, "tin parent at %lu\n", tin_parent_rate); - - for (div = 2; div <= 16; div *= 2) { - if ((tin_parent_rate / (div << 16)) < freq) - return tin_parent_rate / div; - } - - return tin_parent_rate / 16; -} - -#define NS_IN_HZ (1000000000UL) - -int pwm_config(struct pwm_device *pwm, int duty_ns, int period_ns) -{ - unsigned long tin_rate; - unsigned long tin_ns; - unsigned long period; - unsigned long flags; - unsigned long tcon; - unsigned long tcnt; - long tcmp; - - /* We currently avoid using 64bit arithmetic by using the - * fact that anything faster than 1Hz is easily representable - * by 32bits. */ - - if (period_ns > NS_IN_HZ || duty_ns > NS_IN_HZ) - return -ERANGE; - - if (duty_ns > period_ns) - return -EINVAL; - - if (period_ns == pwm->period_ns && - duty_ns == pwm->duty_ns) - return 0; - - /* The TCMP and TCNT can be read without a lock, they're not - * shared between the timers. */ - - tcmp = __raw_readl(S3C2410_TCMPB(pwm->pwm_id)); - tcnt = __raw_readl(S3C2410_TCNTB(pwm->pwm_id)); - - period = NS_IN_HZ / period_ns; - - pwm_dbg(pwm, "duty_ns=%d, period_ns=%d (%lu)\n", - duty_ns, period_ns, period); - - /* Check to see if we are changing the clock rate of the PWM */ - - if (pwm->period_ns != period_ns) { - if (pwm_is_tdiv(pwm)) { - tin_rate = pwm_calc_tin(pwm, period); - clk_set_rate(pwm->clk_div, tin_rate); - } else - tin_rate = clk_get_rate(pwm->clk); - - pwm->period_ns = period_ns; - - pwm_dbg(pwm, "tin_rate=%lu\n", tin_rate); - - tin_ns = NS_IN_HZ / tin_rate; - tcnt = period_ns / tin_ns; - } else - tin_ns = NS_IN_HZ / clk_get_rate(pwm->clk); - - /* Note, counters count down */ - - tcmp = duty_ns / tin_ns; - tcmp = tcnt - tcmp; - /* the pwm hw only checks the compare register after a decrement, - so the pin never toggles if tcmp = tcnt */ - if (tcmp == tcnt) - tcmp--; - - pwm_dbg(pwm, "tin_ns=%lu, tcmp=%ld/%lu\n", tin_ns, tcmp, tcnt); - - if (tcmp < 0) - tcmp = 0; - - /* Update the PWM register block. */ - - local_irq_save(flags); - - __raw_writel(tcmp, S3C2410_TCMPB(pwm->pwm_id)); - __raw_writel(tcnt, S3C2410_TCNTB(pwm->pwm_id)); - - tcon = __raw_readl(S3C2410_TCON); - tcon |= pwm_tcon_manulupdate(pwm); - tcon |= pwm_tcon_autoreload(pwm); - __raw_writel(tcon, S3C2410_TCON); - - tcon &= ~pwm_tcon_manulupdate(pwm); - __raw_writel(tcon, S3C2410_TCON); - - local_irq_restore(flags); - - return 0; -} - -EXPORT_SYMBOL(pwm_config); - -static int pwm_register(struct pwm_device *pwm) -{ - pwm->duty_ns = -1; - pwm->period_ns = -1; - - mutex_lock(&pwm_lock); - list_add_tail(&pwm->list, &pwm_list); - mutex_unlock(&pwm_lock); - - return 0; -} - -static int s3c_pwm_probe(struct platform_device *pdev) -{ - struct device *dev = &pdev->dev; - struct pwm_device *pwm; - unsigned long flags; - unsigned long tcon; - unsigned int id = pdev->id; - int ret; - - if (id == 4) { - dev_err(dev, "TIMER4 is currently not supported\n"); - return -ENXIO; - } - - pwm = kzalloc(sizeof(struct pwm_device), GFP_KERNEL); - if (pwm == NULL) { - dev_err(dev, "failed to allocate pwm_device\n"); - return -ENOMEM; - } - - pwm->pdev = pdev; - pwm->pwm_id = id; - - /* calculate base of control bits in TCON */ - pwm->tcon_base = id == 0 ? 0 : (id * 4) + 4; - - pwm->clk = clk_get(dev, "pwm-tin"); - if (IS_ERR(pwm->clk)) { - dev_err(dev, "failed to get pwm tin clk\n"); - ret = PTR_ERR(pwm->clk); - goto err_alloc; - } - - pwm->clk_div = clk_get(dev, "pwm-tdiv"); - if (IS_ERR(pwm->clk_div)) { - dev_err(dev, "failed to get pwm tdiv clk\n"); - ret = PTR_ERR(pwm->clk_div); - goto err_clk_tin; - } - - clk_enable(pwm->clk); - clk_enable(pwm->clk_div); - - local_irq_save(flags); - - tcon = __raw_readl(S3C2410_TCON); - tcon |= pwm_tcon_invert(pwm); - __raw_writel(tcon, S3C2410_TCON); - - local_irq_restore(flags); - - - ret = pwm_register(pwm); - if (ret) { - dev_err(dev, "failed to register pwm\n"); - goto err_clk_tdiv; - } - - pwm_dbg(pwm, "config bits %02x\n", - (__raw_readl(S3C2410_TCON) >> pwm->tcon_base) & 0x0f); - - dev_info(dev, "tin at %lu, tdiv at %lu, tin=%sclk, base %d\n", - clk_get_rate(pwm->clk), - clk_get_rate(pwm->clk_div), - pwm_is_tdiv(pwm) ? "div" : "ext", pwm->tcon_base); - - platform_set_drvdata(pdev, pwm); - return 0; - - err_clk_tdiv: - clk_disable(pwm->clk_div); - clk_disable(pwm->clk); - clk_put(pwm->clk_div); - - err_clk_tin: - clk_put(pwm->clk); - - err_alloc: - kfree(pwm); - return ret; -} - -static int __devexit s3c_pwm_remove(struct platform_device *pdev) -{ - struct pwm_device *pwm = platform_get_drvdata(pdev); - - clk_disable(pwm->clk_div); - clk_disable(pwm->clk); - clk_put(pwm->clk_div); - clk_put(pwm->clk); - kfree(pwm); - - return 0; -} - -#ifdef CONFIG_PM -static int s3c_pwm_suspend(struct platform_device *pdev, pm_message_t state) -{ - struct pwm_device *pwm = platform_get_drvdata(pdev); - - /* No one preserve these values during suspend so reset them - * Otherwise driver leaves PWM unconfigured if same values - * passed to pwm_config - */ - pwm->period_ns = 0; - pwm->duty_ns = 0; - - return 0; -} - -static int s3c_pwm_resume(struct platform_device *pdev) -{ - struct pwm_device *pwm = platform_get_drvdata(pdev); - unsigned long tcon; - - /* Restore invertion */ - tcon = __raw_readl(S3C2410_TCON); - tcon |= pwm_tcon_invert(pwm); - __raw_writel(tcon, S3C2410_TCON); - - return 0; -} - -#else -#define s3c_pwm_suspend NULL -#define s3c_pwm_resume NULL -#endif - -static struct platform_driver s3c_pwm_driver = { - .driver = { - .name = "s3c24xx-pwm", - .owner = THIS_MODULE, - }, - .probe = s3c_pwm_probe, - .remove = __devexit_p(s3c_pwm_remove), - .suspend = s3c_pwm_suspend, - .resume = s3c_pwm_resume, -}; - -static int __init pwm_init(void) -{ - int ret; - - clk_scaler[0] = clk_get(NULL, "pwm-scaler0"); - clk_scaler[1] = clk_get(NULL, "pwm-scaler1"); - - if (IS_ERR(clk_scaler[0]) || IS_ERR(clk_scaler[1])) { - printk(KERN_ERR "%s: failed to get scaler clocks\n", __func__); - return -EINVAL; - } - - ret = platform_driver_register(&s3c_pwm_driver); - if (ret) - printk(KERN_ERR "%s: failed to add pwm driver\n", __func__); - - return ret; -} - -arch_initcall(pwm_init); diff --git a/arch/arm/plat-spear/include/plat/pl080.h b/arch/arm/plat-spear/include/plat/pl080.h index 2bc6b54..eb6590d 100644 --- a/arch/arm/plat-spear/include/plat/pl080.h +++ b/arch/arm/plat-spear/include/plat/pl080.h @@ -14,8 +14,8 @@ #ifndef __PLAT_PL080_H #define __PLAT_PL080_H -struct pl08x_dma_chan; -int pl080_get_signal(struct pl08x_dma_chan *ch); -void pl080_put_signal(struct pl08x_dma_chan *ch); +struct pl08x_channel_data; +int pl080_get_signal(const struct pl08x_channel_data *cd); +void pl080_put_signal(const struct pl08x_channel_data *cd, int signal); #endif /* __PLAT_PL080_H */ diff --git a/arch/arm/plat-spear/pl080.c b/arch/arm/plat-spear/pl080.c index 12cf27f..cfa1199 100644 --- a/arch/arm/plat-spear/pl080.c +++ b/arch/arm/plat-spear/pl080.c @@ -27,9 +27,8 @@ struct { unsigned char val; } signals[16] = {{0, 0}, }; -int pl080_get_signal(struct pl08x_dma_chan *ch) +int pl080_get_signal(const struct pl08x_channel_data *cd) { - const struct pl08x_channel_data *cd = ch->cd; unsigned int signal = cd->min_signal, val; unsigned long flags; @@ -63,18 +62,17 @@ int pl080_get_signal(struct pl08x_dma_chan *ch) return signal; } -void pl080_put_signal(struct pl08x_dma_chan *ch) +void pl080_put_signal(const struct pl08x_channel_data *cd, int signal) { - const struct pl08x_channel_data *cd = ch->cd; unsigned long flags; spin_lock_irqsave(&lock, flags); /* if signal is not used */ - if (!signals[cd->min_signal].busy) + if (!signals[signal].busy) BUG(); - signals[cd->min_signal].busy--; + signals[signal].busy--; spin_unlock_irqrestore(&lock, flags); } diff --git a/arch/arm/vfp/entry.S b/arch/arm/vfp/entry.S index 4fa9903..cc926c9 100644 --- a/arch/arm/vfp/entry.S +++ b/arch/arm/vfp/entry.S @@ -7,18 +7,20 @@ * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. - * - * Basic entry code, called from the kernel's undefined instruction trap. - * r0 = faulted instruction - * r5 = faulted PC+4 - * r9 = successful return - * r10 = thread_info structure - * lr = failure return */ #include <asm/thread_info.h> #include <asm/vfpmacros.h> #include "../kernel/entry-header.S" +@ VFP entry point. +@ +@ r0 = instruction opcode (32-bit ARM or two 16-bit Thumb) +@ r2 = PC value to resume execution after successful emulation +@ r9 = normal "successful" return address +@ r10 = this threads thread_info structure +@ lr = unrecognised instruction return address +@ IRQs disabled. +@ ENTRY(do_vfp) #ifdef CONFIG_PREEMPT ldr r4, [r10, #TI_PREEMPT] @ get preempt count diff --git a/arch/arm/vfp/vfphw.S b/arch/arm/vfp/vfphw.S index 2d30c7f..ea0349f 100644 --- a/arch/arm/vfp/vfphw.S +++ b/arch/arm/vfp/vfphw.S @@ -16,6 +16,7 @@ */ #include <asm/thread_info.h> #include <asm/vfpmacros.h> +#include <linux/kern_levels.h> #include "../kernel/entry-header.S" .macro DBGSTR, str @@ -24,7 +25,7 @@ add r0, pc, #4 bl printk b 1f - .asciz "<7>VFP: \str\n" + .asciz KERN_DEBUG "VFP: \str\n" .balign 4 1: ldmfd sp!, {r0-r3, ip, lr} #endif @@ -37,7 +38,7 @@ add r0, pc, #4 bl printk b 1f - .asciz "<7>VFP: \str\n" + .asciz KERN_DEBUG "VFP: \str\n" .balign 4 1: ldmfd sp!, {r0-r3, ip, lr} #endif @@ -52,7 +53,7 @@ add r0, pc, #4 bl printk b 1f - .asciz "<7>VFP: \str\n" + .asciz KERN_DEBUG "VFP: \str\n" .balign 4 1: ldmfd sp!, {r0-r3, ip, lr} #endif @@ -61,13 +62,13 @@ @ VFP hardware support entry point. @ -@ r0 = faulted instruction -@ r2 = faulted PC+4 -@ r9 = successful return +@ r0 = instruction opcode (32-bit ARM or two 16-bit Thumb) +@ r2 = PC value to resume execution after successful emulation +@ r9 = normal "successful" return address @ r10 = vfp_state union @ r11 = CPU number -@ lr = failure return - +@ lr = unrecognised instruction return address +@ IRQs enabled. ENTRY(vfp_support_entry) DBGSTR3 "instr %08x pc %08x state %p", r0, r2, r10 @@ -161,9 +162,12 @@ vfp_hw_state_valid: @ exception before retrying branch @ out before setting an FPEXC that @ stops us reading stuff - VFPFMXR FPEXC, r1 @ restore FPEXC last - sub r2, r2, #4 - str r2, [sp, #S_PC] @ retry the instruction + VFPFMXR FPEXC, r1 @ Restore FPEXC last + sub r2, r2, #4 @ Retry current instruction - if Thumb + str r2, [sp, #S_PC] @ mode it's two 16-bit instructions, + @ else it's one 32-bit instruction, so + @ always subtract 4 from the following + @ instruction address. #ifdef CONFIG_PREEMPT get_thread_info r10 ldr r4, [r10, #TI_PREEMPT] @ get preempt count diff --git a/arch/arm/vfp/vfpmodule.c b/arch/arm/vfp/vfpmodule.c index 58696192..fb849d0 100644 --- a/arch/arm/vfp/vfpmodule.c +++ b/arch/arm/vfp/vfpmodule.c @@ -457,10 +457,16 @@ static int vfp_pm_suspend(void) /* disable, just in case */ fmxr(FPEXC, fmrx(FPEXC) & ~FPEXC_EN); + } else if (vfp_current_hw_state[ti->cpu]) { +#ifndef CONFIG_SMP + fmxr(FPEXC, fpexc | FPEXC_EN); + vfp_save_state(vfp_current_hw_state[ti->cpu], fpexc); + fmxr(FPEXC, fpexc); +#endif } /* clear any information we had about last context state */ - memset(vfp_current_hw_state, 0, sizeof(vfp_current_hw_state)); + vfp_current_hw_state[ti->cpu] = NULL; return 0; } diff --git a/arch/avr32/Kconfig b/arch/avr32/Kconfig index 71d38c7..5ade51c 100644 --- a/arch/avr32/Kconfig +++ b/arch/avr32/Kconfig @@ -12,6 +12,7 @@ config AVR32 select HARDIRQS_SW_RESEND select GENERIC_IRQ_SHOW select ARCH_HAVE_CUSTOM_GPIO_H + select ARCH_WANT_IPC_PARSE_VERSION select ARCH_HAVE_NMI_SAFE_CMPXCHG select GENERIC_CLOCKEVENTS help diff --git a/arch/avr32/boards/atstk1000/atstk1002.c b/arch/avr32/boards/atstk1000/atstk1002.c index dc52633..6c80aba 100644 --- a/arch/avr32/boards/atstk1000/atstk1002.c +++ b/arch/avr32/boards/atstk1000/atstk1002.c @@ -97,7 +97,7 @@ static struct atmel_nand_data atstk1006_nand_data __initdata = { .enable_pin = GPIO_PIN_PB(29), .ecc_mode = NAND_ECC_SOFT, .parts = nand_partitions, - .num_parts = ARRAY_SIZE(num_partitions), + .num_parts = ARRAY_SIZE(nand_partitions), }; #endif diff --git a/arch/avr32/include/asm/unistd.h b/arch/avr32/include/asm/unistd.h index f714544..1358e36 100644 --- a/arch/avr32/include/asm/unistd.h +++ b/arch/avr32/include/asm/unistd.h @@ -318,7 +318,6 @@ /* SMP stuff */ #define __IGNORE_getcpu -#define __ARCH_WANT_IPC_PARSE_VERSION #define __ARCH_WANT_STAT64 #define __ARCH_WANT_SYS_ALARM #define __ARCH_WANT_SYS_GETHOSTNAME diff --git a/arch/avr32/mm/fault.c b/arch/avr32/mm/fault.c index f7040a1..b92e609 100644 --- a/arch/avr32/mm/fault.c +++ b/arch/avr32/mm/fault.c @@ -61,10 +61,10 @@ asmlinkage void do_page_fault(unsigned long ecr, struct pt_regs *regs) const struct exception_table_entry *fixup; unsigned long address; unsigned long page; - int writeaccess; long signr; int code; int fault; + unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE; if (notify_page_fault(regs, ecr)) return; @@ -86,6 +86,7 @@ asmlinkage void do_page_fault(unsigned long ecr, struct pt_regs *regs) local_irq_enable(); +retry: down_read(&mm->mmap_sem); vma = find_vma(mm, address); @@ -104,7 +105,6 @@ asmlinkage void do_page_fault(unsigned long ecr, struct pt_regs *regs) */ good_area: code = SEGV_ACCERR; - writeaccess = 0; switch (ecr) { case ECR_PROTECTION_X: @@ -121,7 +121,7 @@ good_area: case ECR_TLB_MISS_W: if (!(vma->vm_flags & VM_WRITE)) goto bad_area; - writeaccess = 1; + flags |= FAULT_FLAG_WRITE; break; default: panic("Unhandled case %lu in do_page_fault!", ecr); @@ -132,7 +132,11 @@ good_area: * sure we exit gracefully rather than endlessly redo the * fault. */ - fault = handle_mm_fault(mm, vma, address, writeaccess ? FAULT_FLAG_WRITE : 0); + fault = handle_mm_fault(mm, vma, address, flags); + + if ((fault & VM_FAULT_RETRY) && fatal_signal_pending(current)) + return; + if (unlikely(fault & VM_FAULT_ERROR)) { if (fault & VM_FAULT_OOM) goto out_of_memory; @@ -140,10 +144,23 @@ good_area: goto do_sigbus; BUG(); } - if (fault & VM_FAULT_MAJOR) - tsk->maj_flt++; - else - tsk->min_flt++; + + if (flags & FAULT_FLAG_ALLOW_RETRY) { + if (fault & VM_FAULT_MAJOR) + tsk->maj_flt++; + else + tsk->min_flt++; + if (fault & VM_FAULT_RETRY) { + flags &= ~FAULT_FLAG_ALLOW_RETRY; + + /* + * No need to up_read(&mm->mmap_sem) as we would have + * already released it in __lock_page_or_retry() in + * mm/filemap.c. + */ + goto retry; + } + } up_read(&mm->mmap_sem); return; diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig index 9b76510..f348619 100644 --- a/arch/blackfin/Kconfig +++ b/arch/blackfin/Kconfig @@ -33,6 +33,7 @@ config BLACKFIN select HAVE_PERF_EVENTS select ARCH_HAVE_CUSTOM_GPIO_H select ARCH_WANT_OPTIONAL_GPIOLIB + select ARCH_WANT_IPC_PARSE_VERSION select HAVE_GENERIC_HARDIRQS select GENERIC_ATOMIC64 select GENERIC_IRQ_PROBE @@ -1002,16 +1003,6 @@ config BFIN_GPTIMERS To compile this driver as a module, choose M here: the module will be called gptimers. -config HAVE_PWM - tristate "Enable PWM API support" - depends on BFIN_GPTIMERS - help - Enable support for the Pulse Width Modulation framework (as - found in linux/pwm.h). - - To compile this driver as a module, choose M here: the module - will be called pwm. - choice prompt "Uncached DMA region" default DMA_UNCACHED_1M diff --git a/arch/blackfin/include/asm/unistd.h b/arch/blackfin/include/asm/unistd.h index 3287222..5b2a074 100644 --- a/arch/blackfin/include/asm/unistd.h +++ b/arch/blackfin/include/asm/unistd.h @@ -434,7 +434,6 @@ #define __IGNORE_getcpu #ifdef __KERNEL__ -#define __ARCH_WANT_IPC_PARSE_VERSION #define __ARCH_WANT_STAT64 #define __ARCH_WANT_SYS_ALARM #define __ARCH_WANT_SYS_GETHOSTNAME diff --git a/arch/blackfin/kernel/Makefile b/arch/blackfin/kernel/Makefile index 08e6625..735f24e 100644 --- a/arch/blackfin/kernel/Makefile +++ b/arch/blackfin/kernel/Makefile @@ -21,7 +21,6 @@ obj-$(CONFIG_FUNCTION_TRACER) += ftrace-entry.o obj-$(CONFIG_FUNCTION_GRAPH_TRACER) += ftrace.o CFLAGS_REMOVE_ftrace.o = -pg -obj-$(CONFIG_HAVE_PWM) += pwm.o obj-$(CONFIG_IPIPE) += ipipe.o obj-$(CONFIG_BFIN_GPTIMERS) += gptimers.o obj-$(CONFIG_CPLB_INFO) += cplbinfo.o diff --git a/arch/blackfin/kernel/pwm.c b/arch/blackfin/kernel/pwm.c deleted file mode 100644 index 33f5942..0000000 --- a/arch/blackfin/kernel/pwm.c +++ /dev/null @@ -1,100 +0,0 @@ -/* - * Blackfin Pulse Width Modulation (PWM) core - * - * Copyright (c) 2011 Analog Devices Inc. - * - * Licensed under the GPL-2 or later. - */ - -#include <linux/module.h> -#include <linux/pwm.h> -#include <linux/slab.h> - -#include <asm/gptimers.h> -#include <asm/portmux.h> - -struct pwm_device { - unsigned id; - unsigned short pin; -}; - -static const unsigned short pwm_to_gptimer_per[] = { - P_TMR0, P_TMR1, P_TMR2, P_TMR3, P_TMR4, P_TMR5, - P_TMR6, P_TMR7, P_TMR8, P_TMR9, P_TMR10, P_TMR11, -}; - -struct pwm_device *pwm_request(int pwm_id, const char *label) -{ - struct pwm_device *pwm; - int ret; - - /* XXX: pwm_id really should be unsigned */ - if (pwm_id < 0) - return NULL; - - pwm = kzalloc(sizeof(*pwm), GFP_KERNEL); - if (!pwm) - return pwm; - - pwm->id = pwm_id; - if (pwm->id >= ARRAY_SIZE(pwm_to_gptimer_per)) - goto err; - - pwm->pin = pwm_to_gptimer_per[pwm->id]; - ret = peripheral_request(pwm->pin, label); - if (ret) - goto err; - - return pwm; - err: - kfree(pwm); - return NULL; -} -EXPORT_SYMBOL(pwm_request); - -void pwm_free(struct pwm_device *pwm) -{ - peripheral_free(pwm->pin); - kfree(pwm); -} -EXPORT_SYMBOL(pwm_free); - -int pwm_config(struct pwm_device *pwm, int duty_ns, int period_ns) -{ - unsigned long period, duty; - unsigned long long val; - - if (duty_ns < 0 || duty_ns > period_ns) - return -EINVAL; - - val = (unsigned long long)get_sclk() * period_ns; - do_div(val, NSEC_PER_SEC); - period = val; - - val = (unsigned long long)period * duty_ns; - do_div(val, period_ns); - duty = period - val; - - if (duty >= period) - duty = period - 1; - - set_gptimer_config(pwm->id, TIMER_MODE_PWM | TIMER_PERIOD_CNT); - set_gptimer_pwidth(pwm->id, duty); - set_gptimer_period(pwm->id, period); - - return 0; -} -EXPORT_SYMBOL(pwm_config); - -int pwm_enable(struct pwm_device *pwm) -{ - enable_gptimer(pwm->id); - return 0; -} -EXPORT_SYMBOL(pwm_enable); - -void pwm_disable(struct pwm_device *pwm) -{ - disable_gptimer(pwm->id); -} -EXPORT_SYMBOL(pwm_disable); diff --git a/arch/cris/Kconfig b/arch/cris/Kconfig index bb34465..e922154 100644 --- a/arch/cris/Kconfig +++ b/arch/cris/Kconfig @@ -42,6 +42,7 @@ config CRIS select HAVE_IDE select GENERIC_ATOMIC64 select HAVE_GENERIC_HARDIRQS + select ARCH_WANT_IPC_PARSE_VERSION select GENERIC_IRQ_SHOW select GENERIC_IOMAP select GENERIC_SMP_IDLE_THREAD if ETRAX_ARCH_V32 diff --git a/arch/cris/include/asm/unistd.h b/arch/cris/include/asm/unistd.h index f921b8b..51873a4 100644 --- a/arch/cris/include/asm/unistd.h +++ b/arch/cris/include/asm/unistd.h @@ -347,7 +347,6 @@ #include <arch/unistd.h> -#define __ARCH_WANT_IPC_PARSE_VERSION #define __ARCH_WANT_OLD_READDIR #define __ARCH_WANT_OLD_STAT #define __ARCH_WANT_STAT64 diff --git a/arch/frv/Kconfig b/arch/frv/Kconfig index a685910..971c0a1 100644 --- a/arch/frv/Kconfig +++ b/arch/frv/Kconfig @@ -9,6 +9,7 @@ config FRV select GENERIC_IRQ_SHOW select ARCH_HAVE_NMI_SAFE_CMPXCHG select GENERIC_CPU_DEVICES + select ARCH_WANT_IPC_PARSE_VERSION config ZONE_DMA bool diff --git a/arch/frv/include/asm/cpumask.h b/arch/frv/include/asm/cpumask.h deleted file mode 100644 index d999c20..0000000 --- a/arch/frv/include/asm/cpumask.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef _ASM_CPUMASK_H -#define _ASM_CPUMASK_H - -#include <asm-generic/cpumask.h> - -#endif /* _ASM_CPUMASK_H */ diff --git a/arch/frv/include/asm/unistd.h b/arch/frv/include/asm/unistd.h index a569dff..67f23a3 100644 --- a/arch/frv/include/asm/unistd.h +++ b/arch/frv/include/asm/unistd.h @@ -349,7 +349,6 @@ #define NR_syscalls 338 -#define __ARCH_WANT_IPC_PARSE_VERSION /* #define __ARCH_WANT_OLD_READDIR */ #define __ARCH_WANT_OLD_STAT #define __ARCH_WANT_STAT64 diff --git a/arch/frv/kernel/kernel_thread.S b/arch/frv/kernel/kernel_thread.S index 4531c83..f0e5294 100644 --- a/arch/frv/kernel/kernel_thread.S +++ b/arch/frv/kernel/kernel_thread.S @@ -10,10 +10,10 @@ */ #include <linux/linkage.h> +#include <linux/kern_levels.h> #include <asm/unistd.h> #define CLONE_VM 0x00000100 /* set if VM shared between processes */ -#define KERN_ERR "<3>" .section .rodata kernel_thread_emsg: diff --git a/arch/h8300/Kconfig b/arch/h8300/Kconfig index 56e890d..5e8a0d9 100644 --- a/arch/h8300/Kconfig +++ b/arch/h8300/Kconfig @@ -3,6 +3,7 @@ config H8300 default y select HAVE_IDE select HAVE_GENERIC_HARDIRQS + select ARCH_WANT_IPC_PARSE_VERSION select GENERIC_IRQ_SHOW select GENERIC_CPU_DEVICES diff --git a/arch/h8300/include/asm/unistd.h b/arch/h8300/include/asm/unistd.h index 7185113..5cd8828 100644 --- a/arch/h8300/include/asm/unistd.h +++ b/arch/h8300/include/asm/unistd.h @@ -331,7 +331,6 @@ #define NR_syscalls 321 -#define __ARCH_WANT_IPC_PARSE_VERSION #define __ARCH_WANT_OLD_READDIR #define __ARCH_WANT_OLD_STAT #define __ARCH_WANT_STAT64 diff --git a/arch/hexagon/include/asm/Kbuild b/arch/hexagon/include/asm/Kbuild index 9aa17f1..0690642 100644 --- a/arch/hexagon/include/asm/Kbuild +++ b/arch/hexagon/include/asm/Kbuild @@ -7,7 +7,6 @@ header-y += user.h generic-y += auxvec.h generic-y += bug.h generic-y += bugs.h -generic-y += cpumask.h generic-y += cputime.h generic-y += current.h generic-y += device.h @@ -23,7 +22,6 @@ generic-y += ioctl.h generic-y += ioctls.h generic-y += iomap.h generic-y += ipcbuf.h -generic-y += ipc.h generic-y += irq_regs.h generic-y += kdebug.h generic-y += kmap_types.h diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig index 8186ec5..310cf57 100644 --- a/arch/ia64/Kconfig +++ b/arch/ia64/Kconfig @@ -126,6 +126,7 @@ config AUDIT_ARCH menuconfig PARAVIRT_GUEST bool "Paravirtualized guest support" + depends on BROKEN help Say Y here to get to see options related to running Linux under various hypervisors. This option alone does not add any kernel code. @@ -138,8 +139,6 @@ config PARAVIRT bool "Enable paravirtualization code" depends on PARAVIRT_GUEST default y - bool - default y help This changes the kernel so it can modify itself when it is run under a hypervisor, potentially improving performance significantly diff --git a/arch/ia64/include/asm/atomic.h b/arch/ia64/include/asm/atomic.h index 7d91166..6e6fe18 100644 --- a/arch/ia64/include/asm/atomic.h +++ b/arch/ia64/include/asm/atomic.h @@ -17,8 +17,8 @@ #include <asm/intrinsics.h> -#define ATOMIC_INIT(i) ((atomic_t) { (i) }) -#define ATOMIC64_INIT(i) ((atomic64_t) { (i) }) +#define ATOMIC_INIT(i) { (i) } +#define ATOMIC64_INIT(i) { (i) } #define atomic_read(v) (*(volatile int *)&(v)->counter) #define atomic64_read(v) (*(volatile long *)&(v)->counter) diff --git a/arch/ia64/include/asm/machvec.h b/arch/ia64/include/asm/machvec.h index 367d299..2d1ad4b1 100644 --- a/arch/ia64/include/asm/machvec.h +++ b/arch/ia64/include/asm/machvec.h @@ -120,7 +120,7 @@ extern void machvec_tlb_migrate_finish (struct mm_struct *); # ifdef MACHVEC_PLATFORM_HEADER # include MACHVEC_PLATFORM_HEADER # else -# define platform_name ia64_mv.name +# define ia64_platform_name ia64_mv.name # define platform_setup ia64_mv.setup # define platform_cpu_init ia64_mv.cpu_init # define platform_irq_init ia64_mv.irq_init diff --git a/arch/ia64/include/asm/machvec_dig.h b/arch/ia64/include/asm/machvec_dig.h index 8a0752f..1f7403a 100644 --- a/arch/ia64/include/asm/machvec_dig.h +++ b/arch/ia64/include/asm/machvec_dig.h @@ -10,7 +10,7 @@ extern ia64_mv_setup_t dig_setup; * platform's machvec structure. When compiling a non-generic kernel, * the macros are used directly. */ -#define platform_name "dig" +#define ia64_platform_name "dig" #define platform_setup dig_setup #endif /* _ASM_IA64_MACHVEC_DIG_h */ diff --git a/arch/ia64/include/asm/machvec_dig_vtd.h b/arch/ia64/include/asm/machvec_dig_vtd.h index 6ab1de5..44308b4 100644 --- a/arch/ia64/include/asm/machvec_dig_vtd.h +++ b/arch/ia64/include/asm/machvec_dig_vtd.h @@ -11,7 +11,7 @@ extern ia64_mv_dma_init pci_iommu_alloc; * platform's machvec structure. When compiling a non-generic kernel, * the macros are used directly. */ -#define platform_name "dig_vtd" +#define ia64_platform_name "dig_vtd" #define platform_setup dig_setup #define platform_dma_init pci_iommu_alloc diff --git a/arch/ia64/include/asm/machvec_hpsim.h b/arch/ia64/include/asm/machvec_hpsim.h index cf72fc8..e757112 100644 --- a/arch/ia64/include/asm/machvec_hpsim.h +++ b/arch/ia64/include/asm/machvec_hpsim.h @@ -11,7 +11,7 @@ extern ia64_mv_irq_init_t hpsim_irq_init; * platform's machvec structure. When compiling a non-generic kernel, * the macros are used directly. */ -#define platform_name "hpsim" +#define ia64_platform_name "hpsim" #define platform_setup hpsim_setup #define platform_irq_init hpsim_irq_init diff --git a/arch/ia64/include/asm/machvec_hpzx1.h b/arch/ia64/include/asm/machvec_hpzx1.h index 3bd83d7..c74d315 100644 --- a/arch/ia64/include/asm/machvec_hpzx1.h +++ b/arch/ia64/include/asm/machvec_hpzx1.h @@ -11,7 +11,7 @@ extern ia64_mv_dma_init sba_dma_init; * platform's machvec structure. When compiling a non-generic kernel, * the macros are used directly. */ -#define platform_name "hpzx1" +#define ia64_platform_name "hpzx1" #define platform_setup dig_setup #define platform_dma_init sba_dma_init diff --git a/arch/ia64/include/asm/machvec_hpzx1_swiotlb.h b/arch/ia64/include/asm/machvec_hpzx1_swiotlb.h index 1091ac3..906ef62 100644 --- a/arch/ia64/include/asm/machvec_hpzx1_swiotlb.h +++ b/arch/ia64/include/asm/machvec_hpzx1_swiotlb.h @@ -11,7 +11,7 @@ extern ia64_mv_dma_get_ops hwsw_dma_get_ops; * platform's machvec structure. When compiling a non-generic kernel, * the macros are used directly. */ -#define platform_name "hpzx1_swiotlb" +#define ia64_platform_name "hpzx1_swiotlb" #define platform_setup dig_setup #define platform_dma_init machvec_noop #define platform_dma_get_ops hwsw_dma_get_ops diff --git a/arch/ia64/include/asm/machvec_sn2.h b/arch/ia64/include/asm/machvec_sn2.h index f061a30..ece9fa8 100644 --- a/arch/ia64/include/asm/machvec_sn2.h +++ b/arch/ia64/include/asm/machvec_sn2.h @@ -71,7 +71,7 @@ extern ia64_mv_pci_fixup_bus_t sn_pci_fixup_bus; * platform's machvec structure. When compiling a non-generic kernel, * the macros are used directly. */ -#define platform_name "sn2" +#define ia64_platform_name "sn2" #define platform_setup sn_setup #define platform_cpu_init sn_cpu_init #define platform_irq_init sn_irq_init diff --git a/arch/ia64/include/asm/machvec_uv.h b/arch/ia64/include/asm/machvec_uv.h index 2931447..2c50853 100644 --- a/arch/ia64/include/asm/machvec_uv.h +++ b/arch/ia64/include/asm/machvec_uv.h @@ -20,7 +20,7 @@ extern ia64_mv_setup_t uv_setup; * platform's machvec structure. When compiling a non-generic kernel, * the macros are used directly. */ -#define platform_name "uv" +#define ia64_platform_name "uv" #define platform_setup uv_setup #endif /* _ASM_IA64_MACHVEC_UV_H */ diff --git a/arch/ia64/include/asm/machvec_xen.h b/arch/ia64/include/asm/machvec_xen.h index 55f9228..8b8bd0e 100644 --- a/arch/ia64/include/asm/machvec_xen.h +++ b/arch/ia64/include/asm/machvec_xen.h @@ -13,7 +13,7 @@ extern ia64_mv_send_ipi_t xen_platform_send_ipi; * platform's machvec structure. When compiling a non-generic kernel, * the macros are used directly. */ -#define platform_name "xen" +#define ia64_platform_name "xen" #define platform_setup dig_setup #define platform_cpu_init xen_cpu_init #define platform_irq_init xen_irq_init diff --git a/arch/ia64/include/asm/processor.h b/arch/ia64/include/asm/processor.h index 832dd37..944152a 100644 --- a/arch/ia64/include/asm/processor.h +++ b/arch/ia64/include/asm/processor.h @@ -719,7 +719,7 @@ enum idle_boot_override {IDLE_NO_OVERRIDE=0, IDLE_HALT, IDLE_FORCE_MWAIT, void default_idle(void); -#define ia64_platform_is(x) (strcmp(x, platform_name) == 0) +#define ia64_platform_is(x) (strcmp(x, ia64_platform_name) == 0) #endif /* !__ASSEMBLY__ */ diff --git a/arch/ia64/kernel/irq_ia64.c b/arch/ia64/kernel/irq_ia64.c index 5c3e088..1034884 100644 --- a/arch/ia64/kernel/irq_ia64.c +++ b/arch/ia64/kernel/irq_ia64.c @@ -23,7 +23,6 @@ #include <linux/ioport.h> #include <linux/kernel_stat.h> #include <linux/ptrace.h> -#include <linux/random.h> /* for rand_initialize_irq() */ #include <linux/signal.h> #include <linux/smp.h> #include <linux/threads.h> diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c index d7f558c..3fa4bc5 100644 --- a/arch/ia64/kernel/perfmon.c +++ b/arch/ia64/kernel/perfmon.c @@ -2353,7 +2353,6 @@ pfm_smpl_buffer_alloc(struct task_struct *task, struct file *filp, pfm_context_t */ insert_vm_struct(mm, vma); - mm->total_vm += size >> PAGE_SHIFT; vm_stat_account(vma->vm_mm, vma->vm_flags, vma->vm_file, vma_pages(vma)); up_write(&task->mm->mmap_sem); diff --git a/arch/ia64/kvm/Kconfig b/arch/ia64/kvm/Kconfig index df5351e..e794752 100644 --- a/arch/ia64/kvm/Kconfig +++ b/arch/ia64/kvm/Kconfig @@ -23,6 +23,7 @@ config KVM depends on HAVE_KVM && MODULES && EXPERIMENTAL # for device assignment: depends on PCI + depends on BROKEN select PREEMPT_NOTIFIERS select ANON_INODES select HAVE_KVM_IRQCHIP diff --git a/arch/ia64/pci/fixup.c b/arch/ia64/pci/fixup.c index f5959c0..eab28e3 100644 --- a/arch/ia64/pci/fixup.c +++ b/arch/ia64/pci/fixup.c @@ -30,8 +30,8 @@ static void __devinit pci_fixup_video(struct pci_dev *pdev) struct pci_bus *bus; u16 config; - if ((strcmp(platform_name, "dig") != 0) - && (strcmp(platform_name, "hpzx1") != 0)) + if ((strcmp(ia64_platform_name, "dig") != 0) + && (strcmp(ia64_platform_name, "hpzx1") != 0)) return; /* Maybe, this machine supports legacy memory map. */ diff --git a/arch/m32r/Kconfig b/arch/m32r/Kconfig index b638d5b..49498bb 100644 --- a/arch/m32r/Kconfig +++ b/arch/m32r/Kconfig @@ -7,6 +7,7 @@ config M32R select HAVE_KERNEL_GZIP select HAVE_KERNEL_BZIP2 select HAVE_KERNEL_LZMA + select ARCH_WANT_IPC_PARSE_VERSION select HAVE_GENERIC_HARDIRQS select GENERIC_IRQ_PROBE select GENERIC_IRQ_SHOW diff --git a/arch/m32r/include/asm/unistd.h b/arch/m32r/include/asm/unistd.h index 3e1db56..d5e66a4 100644 --- a/arch/m32r/include/asm/unistd.h +++ b/arch/m32r/include/asm/unistd.h @@ -336,7 +336,6 @@ #define NR_syscalls 326 -#define __ARCH_WANT_IPC_PARSE_VERSION #define __ARCH_WANT_STAT64 #define __ARCH_WANT_SYS_ALARM #define __ARCH_WANT_SYS_GETHOSTNAME diff --git a/arch/m68k/Kconfig b/arch/m68k/Kconfig index 1471201..0b0f8b8 100644 --- a/arch/m68k/Kconfig +++ b/arch/m68k/Kconfig @@ -10,6 +10,7 @@ config M68K select GENERIC_STRNCPY_FROM_USER if MMU select GENERIC_STRNLEN_USER if MMU select FPU if MMU + select ARCH_WANT_IPC_PARSE_VERSION select ARCH_USES_GETTIMEOFFSET if MMU && !COLDFIRE config RWSEM_GENERIC_SPINLOCK diff --git a/arch/m68k/include/asm/unistd.h b/arch/m68k/include/asm/unistd.h index ea0b502..045cfd6 100644 --- a/arch/m68k/include/asm/unistd.h +++ b/arch/m68k/include/asm/unistd.h @@ -357,7 +357,6 @@ #define NR_syscalls 347 -#define __ARCH_WANT_IPC_PARSE_VERSION #define __ARCH_WANT_OLD_READDIR #define __ARCH_WANT_OLD_STAT #define __ARCH_WANT_STAT64 diff --git a/arch/microblaze/Kconfig b/arch/microblaze/Kconfig index 0bf4423..ab9afca 100644 --- a/arch/microblaze/Kconfig +++ b/arch/microblaze/Kconfig @@ -15,6 +15,7 @@ config MICROBLAZE select TRACING_SUPPORT select OF select OF_EARLY_FLATTREE + select ARCH_WANT_IPC_PARSE_VERSION select IRQ_DOMAIN select HAVE_GENERIC_HARDIRQS select GENERIC_IRQ_PROBE diff --git a/arch/microblaze/include/asm/unistd.h b/arch/microblaze/include/asm/unistd.h index d20ffbc..6985e6e 100644 --- a/arch/microblaze/include/asm/unistd.h +++ b/arch/microblaze/include/asm/unistd.h @@ -400,7 +400,6 @@ #ifdef __KERNEL__ #ifndef __ASSEMBLY__ -#define __ARCH_WANT_IPC_PARSE_VERSION /* #define __ARCH_WANT_OLD_READDIR */ /* #define __ARCH_WANT_OLD_STAT */ #define __ARCH_WANT_STAT64 diff --git a/arch/mips/Kbuild.platforms b/arch/mips/Kbuild.platforms index 5ce8029..d64786d 100644 --- a/arch/mips/Kbuild.platforms +++ b/arch/mips/Kbuild.platforms @@ -14,6 +14,7 @@ platforms += jz4740 platforms += lantiq platforms += lasat platforms += loongson +platforms += loongson1 platforms += mipssim platforms += mti-malta platforms += netlogic diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index b3e10fd..331d574 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -20,12 +20,14 @@ config MIPS select ARCH_BINFMT_ELF_RANDOMIZE_PIE select RTC_LIB if !MACH_LOONGSON select GENERIC_ATOMIC64 if !64BIT + select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE select HAVE_DMA_ATTRS select HAVE_DMA_API_DEBUG select HAVE_GENERIC_HARDIRQS select GENERIC_IRQ_PROBE select GENERIC_IRQ_SHOW select HAVE_ARCH_JUMP_LABEL + select ARCH_WANT_IPC_PARSE_VERSION select IRQ_FORCED_THREADING select HAVE_MEMBLOCK select HAVE_MEMBLOCK_NODE_MAP @@ -75,6 +77,7 @@ config AR7 select SYS_SUPPORTS_ZBOOT_UART16550 select ARCH_REQUIRE_GPIOLIB select VLYNQ + select HAVE_CLK help Support for the Texas Instruments AR7 System-on-a-Chip family: TNETD7100, 7200 and 7300. @@ -122,6 +125,7 @@ config BCM63XX select SYS_HAS_EARLY_PRINTK select SWAP_IO_SPACE select ARCH_REQUIRE_GPIOLIB + select HAVE_CLK help Support for BCM63XX based boards @@ -209,6 +213,7 @@ config MACH_JZ4740 select SYS_HAS_CPU_MIPS32_R1 select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_LITTLE_ENDIAN + select SYS_SUPPORTS_ZBOOT_UART16550 select DMA_NONCOHERENT select IRQ_CPU select GENERIC_GPIO @@ -264,6 +269,16 @@ config MACH_LOONGSON Chinese Academy of Sciences (CAS) in the People's Republic of China. The chief architect is Professor Weiwu Hu. +config MACH_LOONGSON1 + bool "Loongson 1 family of machines" + select SYS_SUPPORTS_ZBOOT + help + This enables support for the Loongson 1 based machines. + + Loongson 1 is a family of 32-bit MIPS-compatible SoCs developed by + the ICT (Institute of Computing Technology) and the Chinese Academy + of Sciences. + config MIPS_MALTA bool "MIPS Malta board" select ARCH_MAY_HAVE_PC_FDC @@ -787,6 +802,8 @@ config NLM_XLR_BOARD select ZONE_DMA if 64BIT select SYNC_R4K select SYS_HAS_EARLY_PRINTK + select USB_ARCH_HAS_OHCI if USB_SUPPORT + select USB_ARCH_HAS_EHCI if USB_SUPPORT help Support for systems based on Netlogic XLR and XLS processors. Say Y here if you have a XLR or XLS based board. @@ -799,7 +816,6 @@ config NLM_XLP_BOARD select SYS_HAS_CPU_XLP select SYS_SUPPORTS_SMP select HW_HAS_PCI - select SWAP_IO_SPACE select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_64BIT_KERNEL select 64BIT_PHYS_ADDR @@ -836,6 +852,7 @@ source "arch/mips/txx9/Kconfig" source "arch/mips/vr41xx/Kconfig" source "arch/mips/cavium-octeon/Kconfig" source "arch/mips/loongson/Kconfig" +source "arch/mips/loongson1/Kconfig" source "arch/mips/netlogic/Kconfig" endmenu @@ -1217,6 +1234,14 @@ config CPU_LOONGSON2F have a similar programming interface with FPGA northbridge used in Loongson2E. +config CPU_LOONGSON1B + bool "Loongson 1B" + depends on SYS_HAS_CPU_LOONGSON1B + select CPU_LOONGSON1 + help + The Loongson 1B is a 32-bit SoC, which implements the MIPS32 + release 2 instruction set. + config CPU_MIPS32_R1 bool "MIPS32 Release 1" depends on SYS_HAS_CPU_MIPS32_R1 @@ -1432,6 +1457,8 @@ config CPU_CAVIUM_OCTEON select WEAK_ORDERING select CPU_SUPPORTS_HIGHMEM select CPU_SUPPORTS_HUGEPAGES + select LIBFDT + select USE_OF help The Cavium Octeon processor is a highly integrated chip containing many ethernet hardware widgets for networking tasks. The processor @@ -1544,6 +1571,14 @@ config CPU_LOONGSON2 select CPU_SUPPORTS_64BIT_KERNEL select CPU_SUPPORTS_HIGHMEM +config CPU_LOONGSON1 + bool + select CPU_MIPS32 + select CPU_MIPSR2 + select CPU_HAS_PREFETCH + select CPU_SUPPORTS_32BIT_KERNEL + select CPU_SUPPORTS_HIGHMEM + config CPU_BMIPS bool select CPU_MIPS32 @@ -1562,6 +1597,9 @@ config SYS_HAS_CPU_LOONGSON2F select CPU_SUPPORTS_ADDRWINCFG if 64BIT select CPU_SUPPORTS_UNCACHED_ACCELERATED +config SYS_HAS_CPU_LOONGSON1B + bool + config SYS_HAS_CPU_MIPS32_R1 bool @@ -2366,6 +2404,8 @@ config PCI_DOMAINS source "drivers/pci/Kconfig" +source "drivers/pci/pcie/Kconfig" + # # ISA support is now enabled via select. Too many systems still have the one # or other ISA chip on the board that users don't know about so don't expect diff --git a/arch/mips/alchemy/board-mtx1.c b/arch/mips/alchemy/board-mtx1.c index 295f1a95..9996948 100644 --- a/arch/mips/alchemy/board-mtx1.c +++ b/arch/mips/alchemy/board-mtx1.c @@ -81,10 +81,10 @@ static void mtx1_power_off(void) void __init board_setup(void) { -#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) +#if IS_ENABLED(CONFIG_USB_OHCI_HCD) /* Enable USB power switch */ alchemy_gpio_direction_output(204, 0); -#endif /* defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) */ +#endif /* IS_ENABLED(CONFIG_USB_OHCI_HCD) */ /* Initialize sys_pinfunc */ au_writel(SYS_PF_NI2, SYS_PINFUNC); diff --git a/arch/mips/alchemy/common/platform.c b/arch/mips/alchemy/common/platform.c index 95cb911..c0f3ce6 100644 --- a/arch/mips/alchemy/common/platform.c +++ b/arch/mips/alchemy/common/platform.c @@ -334,13 +334,12 @@ static void __init alchemy_setup_macs(int ctype) if (alchemy_get_macs(ctype) < 1) return; - macres = kmalloc(sizeof(struct resource) * MAC_RES_COUNT, GFP_KERNEL); + macres = kmemdup(au1xxx_eth0_resources[ctype], + sizeof(struct resource) * MAC_RES_COUNT, GFP_KERNEL); if (!macres) { printk(KERN_INFO "Alchemy: no memory for MAC0 resources\n"); return; } - memcpy(macres, au1xxx_eth0_resources[ctype], - sizeof(struct resource) * MAC_RES_COUNT); au1xxx_eth0_device.resource = macres; i = prom_get_ethernet_addr(ethaddr); @@ -356,13 +355,12 @@ static void __init alchemy_setup_macs(int ctype) if (alchemy_get_macs(ctype) < 2) return; - macres = kmalloc(sizeof(struct resource) * MAC_RES_COUNT, GFP_KERNEL); + macres = kmemdup(au1xxx_eth1_resources[ctype], + sizeof(struct resource) * MAC_RES_COUNT, GFP_KERNEL); if (!macres) { printk(KERN_INFO "Alchemy: no memory for MAC1 resources\n"); return; } - memcpy(macres, au1xxx_eth1_resources[ctype], - sizeof(struct resource) * MAC_RES_COUNT); au1xxx_eth1_device.resource = macres; ethaddr[5] += 1; /* next addr for 2nd MAC */ diff --git a/arch/mips/alchemy/devboards/Makefile b/arch/mips/alchemy/devboards/Makefile index 3c37fb3..c9e747d 100644 --- a/arch/mips/alchemy/devboards/Makefile +++ b/arch/mips/alchemy/devboards/Makefile @@ -2,7 +2,7 @@ # Alchemy Develboards # -obj-y += prom.o bcsr.o platform.o +obj-y += bcsr.o platform.o obj-$(CONFIG_PM) += pm.o obj-$(CONFIG_MIPS_PB1100) += pb1100.o obj-$(CONFIG_MIPS_PB1500) += pb1500.o diff --git a/arch/mips/alchemy/devboards/bcsr.c b/arch/mips/alchemy/devboards/bcsr.c index 1e83ce2..f2039ef 100644 --- a/arch/mips/alchemy/devboards/bcsr.c +++ b/arch/mips/alchemy/devboards/bcsr.c @@ -90,10 +90,7 @@ static void bcsr_csc_handler(unsigned int irq, struct irq_desc *d) unsigned short bisr = __raw_readw(bcsr_virt + BCSR_REG_INTSTAT); disable_irq_nosync(irq); - - for ( ; bisr; bisr &= bisr - 1) - generic_handle_irq(bcsr_csc_base + __ffs(bisr)); - + generic_handle_irq(bcsr_csc_base + __ffs(bisr)); enable_irq(irq); } diff --git a/arch/mips/alchemy/devboards/pb1100.c b/arch/mips/alchemy/devboards/pb1100.c index cff50d0..78c77a4 100644 --- a/arch/mips/alchemy/devboards/pb1100.c +++ b/arch/mips/alchemy/devboards/pb1100.c @@ -46,7 +46,7 @@ void __init board_setup(void) alchemy_gpio1_input_enable(); udelay(100); -#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) +#if IS_ENABLED(CONFIG_USB_OHCI_HCD) { u32 pin_func, sys_freqctrl, sys_clksrc; @@ -93,7 +93,7 @@ void __init board_setup(void) pin_func |= SYS_PF_USB; au_writel(pin_func, SYS_PINFUNC); } -#endif /* defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) */ +#endif /* IS_ENABLED(CONFIG_USB_OHCI_HCD) */ /* Enable sys bus clock divider when IDLE state or no bus activity. */ au_writel(au_readl(SYS_POWERCTRL) | (0x3 << 5), SYS_POWERCTRL); diff --git a/arch/mips/alchemy/devboards/pb1500.c b/arch/mips/alchemy/devboards/pb1500.c index e7b807b..232fee9 100644 --- a/arch/mips/alchemy/devboards/pb1500.c +++ b/arch/mips/alchemy/devboards/pb1500.c @@ -53,7 +53,7 @@ void __init board_setup(void) alchemy_gpio_direction_input(201); alchemy_gpio_direction_input(203); -#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) +#if IS_ENABLED(CONFIG_USB_OHCI_HCD) /* Zero and disable FREQ2 */ sys_freqctrl = au_readl(SYS_FREQCTRL0); @@ -87,7 +87,7 @@ void __init board_setup(void) /* 2nd USB port is USB host */ pin_func |= SYS_PF_USB; au_writel(pin_func, SYS_PINFUNC); -#endif /* defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) */ +#endif /* IS_ENABLED(CONFIG_USB_OHCI_HCD) */ #ifdef CONFIG_PCI { diff --git a/arch/mips/alchemy/devboards/platform.c b/arch/mips/alchemy/devboards/platform.c index 621f70a..f39042e 100644 --- a/arch/mips/alchemy/devboards/platform.c +++ b/arch/mips/alchemy/devboards/platform.c @@ -10,9 +10,39 @@ #include <linux/platform_device.h> #include <linux/pm.h> +#include <asm/bootinfo.h> #include <asm/reboot.h> +#include <asm/mach-au1x00/au1000.h> #include <asm/mach-db1x00/bcsr.h> +#include <prom.h> + +void __init prom_init(void) +{ + unsigned char *memsize_str; + unsigned long memsize; + + prom_argc = (int)fw_arg0; + prom_argv = (char **)fw_arg1; + prom_envp = (char **)fw_arg2; + + prom_init_cmdline(); + memsize_str = prom_getenv("memsize"); + if (!memsize_str || kstrtoul(memsize_str, 0, &memsize)) + memsize = 64 << 20; /* all devboards have at least 64MB RAM */ + + add_memory_region(0, memsize, BOOT_MEM_RAM); +} + +void prom_putchar(unsigned char c) +{ +#ifdef CONFIG_MIPS_DB1300 + alchemy_uart_putchar(AU1300_UART2_PHYS_ADDR, c); +#else + alchemy_uart_putchar(AU1000_UART0_PHYS_ADDR, c); +#endif +} + static struct platform_device db1x00_rtc_dev = { .name = "rtc-au1xxx", diff --git a/arch/mips/alchemy/devboards/prom.c b/arch/mips/alchemy/devboards/prom.c deleted file mode 100644 index 93a2210..0000000 --- a/arch/mips/alchemy/devboards/prom.c +++ /dev/null @@ -1,69 +0,0 @@ -/* - * Common code used by all Alchemy develboards. - * - * Extracted from files which had this to say: - * - * Copyright 2000, 2008 MontaVista Software Inc. - * Author: MontaVista Software, Inc. <source@mvista.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN - * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF - * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON - * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#include <linux/init.h> -#include <linux/kernel.h> -#include <asm/bootinfo.h> -#include <asm/mach-au1x00/au1000.h> -#include <prom.h> - -#if defined(CONFIG_MIPS_DB1000) || \ - defined(CONFIG_MIPS_PB1100) || \ - defined(CONFIG_MIPS_PB1500) -#define ALCHEMY_BOARD_DEFAULT_MEMSIZE 0x04000000 - -#else /* Au1550/Au1200-based develboards */ -#define ALCHEMY_BOARD_DEFAULT_MEMSIZE 0x08000000 -#endif - -void __init prom_init(void) -{ - unsigned char *memsize_str; - unsigned long memsize; - - prom_argc = (int)fw_arg0; - prom_argv = (char **)fw_arg1; - prom_envp = (char **)fw_arg2; - - prom_init_cmdline(); - memsize_str = prom_getenv("memsize"); - if (!memsize_str || strict_strtoul(memsize_str, 0, &memsize)) - memsize = ALCHEMY_BOARD_DEFAULT_MEMSIZE; - - add_memory_region(0, memsize, BOOT_MEM_RAM); -} - -void prom_putchar(unsigned char c) -{ -#ifdef CONFIG_MIPS_DB1300 - alchemy_uart_putchar(AU1300_UART2_PHYS_ADDR, c); -#else - alchemy_uart_putchar(AU1000_UART0_PHYS_ADDR, c); -#endif -} diff --git a/arch/mips/bcm63xx/Kconfig b/arch/mips/bcm63xx/Kconfig index 6b1b9ad..d03e879 100644 --- a/arch/mips/bcm63xx/Kconfig +++ b/arch/mips/bcm63xx/Kconfig @@ -1,6 +1,10 @@ menu "CPU support" depends on BCM63XX +config BCM63XX_CPU_6328 + bool "support 6328 CPU" + select HW_HAS_PCI + config BCM63XX_CPU_6338 bool "support 6338 CPU" select HW_HAS_PCI diff --git a/arch/mips/bcm63xx/Makefile b/arch/mips/bcm63xx/Makefile index 6dfdc69..833af72 100644 --- a/arch/mips/bcm63xx/Makefile +++ b/arch/mips/bcm63xx/Makefile @@ -1,5 +1,6 @@ obj-y += clk.o cpu.o cs.o gpio.o irq.o prom.o setup.o timer.o \ - dev-dsp.o dev-enet.o dev-pcmcia.o dev-uart.o dev-wdt.o + dev-dsp.o dev-enet.o dev-flash.o dev-pcmcia.o dev-rng.o \ + dev-spi.o dev-uart.o dev-wdt.o obj-$(CONFIG_EARLY_PRINTK) += early_printk.o obj-y += boards/ diff --git a/arch/mips/bcm63xx/boards/board_bcm963xx.c b/arch/mips/bcm63xx/boards/board_bcm963xx.c index 2f1773f..feb0525 100644 --- a/arch/mips/bcm63xx/boards/board_bcm963xx.c +++ b/arch/mips/bcm63xx/boards/board_bcm963xx.c @@ -11,9 +11,6 @@ #include <linux/kernel.h> #include <linux/string.h> #include <linux/platform_device.h> -#include <linux/mtd/mtd.h> -#include <linux/mtd/partitions.h> -#include <linux/mtd/physmap.h> #include <linux/ssb/ssb.h> #include <asm/addrspace.h> #include <bcm63xx_board.h> @@ -24,7 +21,9 @@ #include <bcm63xx_dev_pci.h> #include <bcm63xx_dev_enet.h> #include <bcm63xx_dev_dsp.h> +#include <bcm63xx_dev_flash.h> #include <bcm63xx_dev_pcmcia.h> +#include <bcm63xx_dev_spi.h> #include <board_bcm963xx.h> #define PFX "board_bcm963xx: " @@ -34,6 +33,48 @@ static unsigned int mac_addr_used; static struct board_info board; /* + * known 6328 boards + */ +#ifdef CONFIG_BCM63XX_CPU_6328 +static struct board_info __initdata board_96328avng = { + .name = "96328avng", + .expected_cpu_id = 0x6328, + + .has_uart0 = 1, + .has_pci = 1, + + .leds = { + { + .name = "96328avng::ppp-fail", + .gpio = 2, + .active_low = 1, + }, + { + .name = "96328avng::power", + .gpio = 4, + .active_low = 1, + .default_trigger = "default-on", + }, + { + .name = "96328avng::power-fail", + .gpio = 8, + .active_low = 1, + }, + { + .name = "96328avng::wps", + .gpio = 9, + .active_low = 1, + }, + { + .name = "96328avng::ppp", + .gpio = 11, + .active_low = 1, + }, + }, +}; +#endif + +/* * known 6338 boards */ #ifdef CONFIG_BCM63XX_CPU_6338 @@ -592,6 +633,9 @@ static struct board_info __initdata board_DWVS0 = { * all boards */ static const struct board_info __initdata *bcm963xx_boards[] = { +#ifdef CONFIG_BCM63XX_CPU_6328 + &board_96328avng, +#endif #ifdef CONFIG_BCM63XX_CPU_6338 &board_96338gw, &board_96338w, @@ -709,9 +753,15 @@ void __init board_prom_init(void) char cfe_version[32]; u32 val; - /* read base address of boot chip select (0) */ - val = bcm_mpi_readl(MPI_CSBASE_REG(0)); - val &= MPI_CSBASE_BASE_MASK; + /* read base address of boot chip select (0) + * 6328 does not have MPI but boots from a fixed address + */ + if (BCMCPU_IS_6328()) + val = 0x18000000; + else { + val = bcm_mpi_readl(MPI_CSBASE_REG(0)); + val &= MPI_CSBASE_BASE_MASK; + } boot_addr = (u8 *)KSEG1ADDR(val); /* dump cfe version */ @@ -808,40 +858,6 @@ void __init board_setup(void) panic("unexpected CPU for bcm963xx board"); } -static struct mtd_partition mtd_partitions[] = { - { - .name = "cfe", - .offset = 0x0, - .size = 0x40000, - } -}; - -static const char *bcm63xx_part_types[] = { "bcm63xxpart", NULL }; - -static struct physmap_flash_data flash_data = { - .width = 2, - .nr_parts = ARRAY_SIZE(mtd_partitions), - .parts = mtd_partitions, - .part_probe_types = bcm63xx_part_types, -}; - -static struct resource mtd_resources[] = { - { - .start = 0, /* filled at runtime */ - .end = 0, /* filled at runtime */ - .flags = IORESOURCE_MEM, - } -}; - -static struct platform_device mtd_dev = { - .name = "physmap-flash", - .resource = mtd_resources, - .num_resources = ARRAY_SIZE(mtd_resources), - .dev = { - .platform_data = &flash_data, - }, -}; - static struct gpio_led_platform_data bcm63xx_led_data; static struct platform_device bcm63xx_gpio_leds = { @@ -855,8 +871,6 @@ static struct platform_device bcm63xx_gpio_leds = { */ int __init board_register_devices(void) { - u32 val; - if (board.has_uart0) bcm63xx_uart_register(0); @@ -890,14 +904,9 @@ int __init board_register_devices(void) } #endif - /* read base address of boot chip select (0) */ - val = bcm_mpi_readl(MPI_CSBASE_REG(0)); - val &= MPI_CSBASE_BASE_MASK; - - mtd_resources[0].start = val; - mtd_resources[0].end = 0x1FFFFFFF; + bcm63xx_spi_register(); - platform_device_register(&mtd_dev); + bcm63xx_flash_register(); bcm63xx_led_data.num_leds = ARRAY_SIZE(board.leds); bcm63xx_led_data.leds = board.leds; diff --git a/arch/mips/bcm63xx/clk.c b/arch/mips/bcm63xx/clk.c index 9d57c71..1db48ad 100644 --- a/arch/mips/bcm63xx/clk.c +++ b/arch/mips/bcm63xx/clk.c @@ -120,7 +120,7 @@ static void enetsw_set(struct clk *clk, int enable) { if (!BCMCPU_IS_6368()) return; - bcm_hwclock_set(CKCTL_6368_ROBOSW_CLK_EN | + bcm_hwclock_set(CKCTL_6368_ROBOSW_EN | CKCTL_6368_SWPKT_USB_EN | CKCTL_6368_SWPKT_SAR_EN, enable); if (enable) { @@ -163,7 +163,7 @@ static void usbh_set(struct clk *clk, int enable) if (BCMCPU_IS_6348()) bcm_hwclock_set(CKCTL_6348_USBH_EN, enable); else if (BCMCPU_IS_6368()) - bcm_hwclock_set(CKCTL_6368_USBH_CLK_EN, enable); + bcm_hwclock_set(CKCTL_6368_USBH_EN, enable); } static struct clk clk_usbh = { @@ -181,9 +181,11 @@ static void spi_set(struct clk *clk, int enable) mask = CKCTL_6338_SPI_EN; else if (BCMCPU_IS_6348()) mask = CKCTL_6348_SPI_EN; - else - /* BCMCPU_IS_6358 */ + else if (BCMCPU_IS_6358()) mask = CKCTL_6358_SPI_EN; + else + /* BCMCPU_IS_6368 */ + mask = CKCTL_6368_SPI_EN; bcm_hwclock_set(mask, enable); } @@ -199,7 +201,7 @@ static void xtm_set(struct clk *clk, int enable) if (!BCMCPU_IS_6368()) return; - bcm_hwclock_set(CKCTL_6368_SAR_CLK_EN | + bcm_hwclock_set(CKCTL_6368_SAR_EN | CKCTL_6368_SWPKT_SAR_EN, enable); if (enable) { @@ -222,6 +224,18 @@ static struct clk clk_xtm = { }; /* + * IPsec clock + */ +static void ipsec_set(struct clk *clk, int enable) +{ + bcm_hwclock_set(CKCTL_6368_IPSEC_EN, enable); +} + +static struct clk clk_ipsec = { + .set = ipsec_set, +}; + +/* * Internal peripheral clock */ static struct clk clk_periph = { @@ -278,6 +292,8 @@ struct clk *clk_get(struct device *dev, const char *id) return &clk_periph; if (BCMCPU_IS_6358() && !strcmp(id, "pcm")) return &clk_pcm; + if (BCMCPU_IS_6368() && !strcmp(id, "ipsec")) + return &clk_ipsec; return ERR_PTR(-ENOENT); } diff --git a/arch/mips/bcm63xx/cpu.c b/arch/mips/bcm63xx/cpu.c index 8f0d6c7..a7afb28 100644 --- a/arch/mips/bcm63xx/cpu.c +++ b/arch/mips/bcm63xx/cpu.c @@ -29,6 +29,14 @@ static u16 bcm63xx_cpu_rev; static unsigned int bcm63xx_cpu_freq; static unsigned int bcm63xx_memory_size; +static const unsigned long bcm6328_regs_base[] = { + __GEN_CPU_REGS_TABLE(6328) +}; + +static const int bcm6328_irqs[] = { + __GEN_CPU_IRQ_TABLE(6328) +}; + static const unsigned long bcm6338_regs_base[] = { __GEN_CPU_REGS_TABLE(6338) }; @@ -99,6 +107,33 @@ unsigned int bcm63xx_get_memory_size(void) static unsigned int detect_cpu_clock(void) { switch (bcm63xx_get_cpu_id()) { + case BCM6328_CPU_ID: + { + unsigned int tmp, mips_pll_fcvo; + + tmp = bcm_misc_readl(MISC_STRAPBUS_6328_REG); + mips_pll_fcvo = (tmp & STRAPBUS_6328_FCVO_MASK) + >> STRAPBUS_6328_FCVO_SHIFT; + + switch (mips_pll_fcvo) { + case 0x12: + case 0x14: + case 0x19: + return 160000000; + case 0x1c: + return 192000000; + case 0x13: + case 0x15: + return 200000000; + case 0x1a: + return 384000000; + case 0x16: + return 400000000; + default: + return 320000000; + } + + } case BCM6338_CPU_ID: /* BCM6338 has a fixed 240 Mhz frequency */ return 240000000; @@ -170,6 +205,9 @@ static unsigned int detect_memory_size(void) unsigned int cols = 0, rows = 0, is_32bits = 0, banks = 0; u32 val; + if (BCMCPU_IS_6328()) + return bcm_ddr_readl(DDR_CSEND_REG) << 24; + if (BCMCPU_IS_6345()) { val = bcm_sdram_readl(SDRAM_MBASE_REG); return (val * 8 * 1024 * 1024); @@ -228,17 +266,26 @@ void __init bcm63xx_cpu_init(void) bcm63xx_irqs = bcm6345_irqs; break; case CPU_BMIPS4350: - switch (read_c0_prid() & 0xf0) { - case 0x10: + if ((read_c0_prid() & 0xf0) == 0x10) { expected_cpu_id = BCM6358_CPU_ID; bcm63xx_regs_base = bcm6358_regs_base; bcm63xx_irqs = bcm6358_irqs; - break; - case 0x30: - expected_cpu_id = BCM6368_CPU_ID; - bcm63xx_regs_base = bcm6368_regs_base; - bcm63xx_irqs = bcm6368_irqs; - break; + } else { + /* all newer chips have the same chip id location */ + u16 chip_id = bcm_readw(BCM_6368_PERF_BASE); + + switch (chip_id) { + case BCM6328_CPU_ID: + expected_cpu_id = BCM6328_CPU_ID; + bcm63xx_regs_base = bcm6328_regs_base; + bcm63xx_irqs = bcm6328_irqs; + break; + case BCM6368_CPU_ID: + expected_cpu_id = BCM6368_CPU_ID; + bcm63xx_regs_base = bcm6368_regs_base; + bcm63xx_irqs = bcm6368_irqs; + break; + } } break; } diff --git a/arch/mips/bcm63xx/dev-dsp.c b/arch/mips/bcm63xx/dev-dsp.c index da46d1d..5bb5b15 100644 --- a/arch/mips/bcm63xx/dev-dsp.c +++ b/arch/mips/bcm63xx/dev-dsp.c @@ -31,7 +31,7 @@ static struct resource voip_dsp_resources[] = { static struct platform_device bcm63xx_voip_dsp_device = { .name = "bcm63xx-voip-dsp", - .id = 0, + .id = -1, .num_resources = ARRAY_SIZE(voip_dsp_resources), .resource = voip_dsp_resources, }; diff --git a/arch/mips/bcm63xx/dev-flash.c b/arch/mips/bcm63xx/dev-flash.c new file mode 100644 index 0000000..58371c7 --- /dev/null +++ b/arch/mips/bcm63xx/dev-flash.c @@ -0,0 +1,123 @@ +/* + * Broadcom BCM63xx flash registration + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2008 Maxime Bizon <mbizon@freebox.fr> + * Copyright (C) 2008 Florian Fainelli <florian@openwrt.org> + * Copyright (C) 2012 Jonas Gorski <jonas.gorski@gmail.com> + */ + +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/platform_device.h> +#include <linux/mtd/mtd.h> +#include <linux/mtd/partitions.h> +#include <linux/mtd/physmap.h> + +#include <bcm63xx_cpu.h> +#include <bcm63xx_dev_flash.h> +#include <bcm63xx_regs.h> +#include <bcm63xx_io.h> + +static struct mtd_partition mtd_partitions[] = { + { + .name = "cfe", + .offset = 0x0, + .size = 0x40000, + } +}; + +static const char *bcm63xx_part_types[] = { "bcm63xxpart", NULL }; + +static struct physmap_flash_data flash_data = { + .width = 2, + .parts = mtd_partitions, + .part_probe_types = bcm63xx_part_types, +}; + +static struct resource mtd_resources[] = { + { + .start = 0, /* filled at runtime */ + .end = 0, /* filled at runtime */ + .flags = IORESOURCE_MEM, + } +}; + +static struct platform_device mtd_dev = { + .name = "physmap-flash", + .resource = mtd_resources, + .num_resources = ARRAY_SIZE(mtd_resources), + .dev = { + .platform_data = &flash_data, + }, +}; + +static int __init bcm63xx_detect_flash_type(void) +{ + u32 val; + + switch (bcm63xx_get_cpu_id()) { + case BCM6328_CPU_ID: + val = bcm_misc_readl(MISC_STRAPBUS_6328_REG); + if (val & STRAPBUS_6328_BOOT_SEL_SERIAL) + return BCM63XX_FLASH_TYPE_SERIAL; + else + return BCM63XX_FLASH_TYPE_NAND; + case BCM6338_CPU_ID: + case BCM6345_CPU_ID: + case BCM6348_CPU_ID: + /* no way to auto detect so assume parallel */ + return BCM63XX_FLASH_TYPE_PARALLEL; + case BCM6358_CPU_ID: + val = bcm_gpio_readl(GPIO_STRAPBUS_REG); + if (val & STRAPBUS_6358_BOOT_SEL_PARALLEL) + return BCM63XX_FLASH_TYPE_PARALLEL; + else + return BCM63XX_FLASH_TYPE_SERIAL; + case BCM6368_CPU_ID: + val = bcm_gpio_readl(GPIO_STRAPBUS_REG); + switch (val & STRAPBUS_6368_BOOT_SEL_MASK) { + case STRAPBUS_6368_BOOT_SEL_NAND: + return BCM63XX_FLASH_TYPE_NAND; + case STRAPBUS_6368_BOOT_SEL_SERIAL: + return BCM63XX_FLASH_TYPE_SERIAL; + case STRAPBUS_6368_BOOT_SEL_PARALLEL: + return BCM63XX_FLASH_TYPE_PARALLEL; + } + default: + return -EINVAL; + } +} + +int __init bcm63xx_flash_register(void) +{ + int flash_type; + u32 val; + + flash_type = bcm63xx_detect_flash_type(); + + switch (flash_type) { + case BCM63XX_FLASH_TYPE_PARALLEL: + /* read base address of boot chip select (0) */ + val = bcm_mpi_readl(MPI_CSBASE_REG(0)); + val &= MPI_CSBASE_BASE_MASK; + + mtd_resources[0].start = val; + mtd_resources[0].end = 0x1FFFFFFF; + + return platform_device_register(&mtd_dev); + case BCM63XX_FLASH_TYPE_SERIAL: + pr_warn("unsupported serial flash detected\n"); + return -ENODEV; + case BCM63XX_FLASH_TYPE_NAND: + pr_warn("unsupported NAND flash detected\n"); + return -ENODEV; + default: + pr_err("flash detection failed for BCM%x: %d\n", + bcm63xx_get_cpu_id(), flash_type); + return -ENODEV; + } +} diff --git a/arch/mips/bcm63xx/dev-rng.c b/arch/mips/bcm63xx/dev-rng.c new file mode 100644 index 0000000..d277b4d --- /dev/null +++ b/arch/mips/bcm63xx/dev-rng.c @@ -0,0 +1,40 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2011 Florian Fainelli <florian@openwrt.org> + */ + +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/platform_device.h> +#include <bcm63xx_cpu.h> + +static struct resource rng_resources[] = { + { + .start = -1, /* filled at runtime */ + .end = -1, /* filled at runtime */ + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device bcm63xx_rng_device = { + .name = "bcm63xx-rng", + .id = -1, + .num_resources = ARRAY_SIZE(rng_resources), + .resource = rng_resources, +}; + +int __init bcm63xx_rng_register(void) +{ + if (!BCMCPU_IS_6368()) + return -ENODEV; + + rng_resources[0].start = bcm63xx_regset_address(RSET_RNG); + rng_resources[0].end = rng_resources[0].start; + rng_resources[0].end += RSET_RNG_SIZE - 1; + + return platform_device_register(&bcm63xx_rng_device); +} +arch_initcall(bcm63xx_rng_register); diff --git a/arch/mips/bcm63xx/dev-spi.c b/arch/mips/bcm63xx/dev-spi.c new file mode 100644 index 0000000..e39f730 --- /dev/null +++ b/arch/mips/bcm63xx/dev-spi.c @@ -0,0 +1,119 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2009-2011 Florian Fainelli <florian@openwrt.org> + * Copyright (C) 2010 Tanguy Bouzeloc <tanguy.bouzeloc@efixo.com> + */ + +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/export.h> +#include <linux/platform_device.h> +#include <linux/err.h> +#include <linux/clk.h> + +#include <bcm63xx_cpu.h> +#include <bcm63xx_dev_spi.h> +#include <bcm63xx_regs.h> + +#ifdef BCMCPU_RUNTIME_DETECT +/* + * register offsets + */ +static const unsigned long bcm6338_regs_spi[] = { + __GEN_SPI_REGS_TABLE(6338) +}; + +static const unsigned long bcm6348_regs_spi[] = { + __GEN_SPI_REGS_TABLE(6348) +}; + +static const unsigned long bcm6358_regs_spi[] = { + __GEN_SPI_REGS_TABLE(6358) +}; + +static const unsigned long bcm6368_regs_spi[] = { + __GEN_SPI_REGS_TABLE(6368) +}; + +const unsigned long *bcm63xx_regs_spi; +EXPORT_SYMBOL(bcm63xx_regs_spi); + +static __init void bcm63xx_spi_regs_init(void) +{ + if (BCMCPU_IS_6338()) + bcm63xx_regs_spi = bcm6338_regs_spi; + if (BCMCPU_IS_6348()) + bcm63xx_regs_spi = bcm6348_regs_spi; + if (BCMCPU_IS_6358()) + bcm63xx_regs_spi = bcm6358_regs_spi; + if (BCMCPU_IS_6368()) + bcm63xx_regs_spi = bcm6368_regs_spi; +} +#else +static __init void bcm63xx_spi_regs_init(void) { } +#endif + +static struct resource spi_resources[] = { + { + .start = -1, /* filled at runtime */ + .end = -1, /* filled at runtime */ + .flags = IORESOURCE_MEM, + }, + { + .start = -1, /* filled at runtime */ + .flags = IORESOURCE_IRQ, + }, +}; + +static struct bcm63xx_spi_pdata spi_pdata = { + .bus_num = 0, + .num_chipselect = 8, +}; + +static struct platform_device bcm63xx_spi_device = { + .name = "bcm63xx-spi", + .id = -1, + .num_resources = ARRAY_SIZE(spi_resources), + .resource = spi_resources, + .dev = { + .platform_data = &spi_pdata, + }, +}; + +int __init bcm63xx_spi_register(void) +{ + struct clk *periph_clk; + + if (BCMCPU_IS_6328() || BCMCPU_IS_6345()) + return -ENODEV; + + periph_clk = clk_get(NULL, "periph"); + if (IS_ERR(periph_clk)) { + pr_err("unable to get periph clock\n"); + return -ENODEV; + } + + /* Set bus frequency */ + spi_pdata.speed_hz = clk_get_rate(periph_clk); + + spi_resources[0].start = bcm63xx_regset_address(RSET_SPI); + spi_resources[0].end = spi_resources[0].start; + spi_resources[1].start = bcm63xx_get_irq_number(IRQ_SPI); + + if (BCMCPU_IS_6338() || BCMCPU_IS_6348()) { + spi_resources[0].end += BCM_6338_RSET_SPI_SIZE - 1; + spi_pdata.fifo_size = SPI_6338_MSG_DATA_SIZE; + } + + if (BCMCPU_IS_6358() || BCMCPU_IS_6368()) { + spi_resources[0].end += BCM_6358_RSET_SPI_SIZE - 1; + spi_pdata.fifo_size = SPI_6358_MSG_DATA_SIZE; + } + + bcm63xx_spi_regs_init(); + + return platform_device_register(&bcm63xx_spi_device); +} diff --git a/arch/mips/bcm63xx/dev-wdt.c b/arch/mips/bcm63xx/dev-wdt.c index 3e6c716..2a2346a 100644 --- a/arch/mips/bcm63xx/dev-wdt.c +++ b/arch/mips/bcm63xx/dev-wdt.c @@ -21,7 +21,7 @@ static struct resource wdt_resources[] = { static struct platform_device bcm63xx_wdt_device = { .name = "bcm63xx-wdt", - .id = 0, + .id = -1, .num_resources = ARRAY_SIZE(wdt_resources), .resource = wdt_resources, }; diff --git a/arch/mips/bcm63xx/irq.c b/arch/mips/bcm63xx/irq.c index 9a216a4..18e051a 100644 --- a/arch/mips/bcm63xx/irq.c +++ b/arch/mips/bcm63xx/irq.c @@ -27,6 +27,17 @@ static void __internal_irq_unmask_32(unsigned int irq) __maybe_unused; static void __internal_irq_unmask_64(unsigned int irq) __maybe_unused; #ifndef BCMCPU_RUNTIME_DETECT +#ifdef CONFIG_BCM63XX_CPU_6328 +#define irq_stat_reg PERF_IRQSTAT_6328_REG +#define irq_mask_reg PERF_IRQMASK_6328_REG +#define irq_bits 64 +#define is_ext_irq_cascaded 1 +#define ext_irq_start (BCM_6328_EXT_IRQ0 - IRQ_INTERNAL_BASE) +#define ext_irq_end (BCM_6328_EXT_IRQ3 - IRQ_INTERNAL_BASE) +#define ext_irq_count 4 +#define ext_irq_cfg_reg1 PERF_EXTIRQ_CFG_REG_6328 +#define ext_irq_cfg_reg2 0 +#endif #ifdef CONFIG_BCM63XX_CPU_6338 #define irq_stat_reg PERF_IRQSTAT_6338_REG #define irq_mask_reg PERF_IRQMASK_6338_REG @@ -118,6 +129,16 @@ static void bcm63xx_init_irq(void) irq_mask_addr = bcm63xx_regset_address(RSET_PERF); switch (bcm63xx_get_cpu_id()) { + case BCM6328_CPU_ID: + irq_stat_addr += PERF_IRQSTAT_6328_REG; + irq_mask_addr += PERF_IRQMASK_6328_REG; + irq_bits = 64; + ext_irq_count = 4; + is_ext_irq_cascaded = 1; + ext_irq_start = BCM_6328_EXT_IRQ0 - IRQ_INTERNAL_BASE; + ext_irq_end = BCM_6328_EXT_IRQ3 - IRQ_INTERNAL_BASE; + ext_irq_cfg_reg1 = PERF_EXTIRQ_CFG_REG_6328; + break; case BCM6338_CPU_ID: irq_stat_addr += PERF_IRQSTAT_6338_REG; irq_mask_addr += PERF_IRQMASK_6338_REG; diff --git a/arch/mips/bcm63xx/prom.c b/arch/mips/bcm63xx/prom.c index 99d7f40..10eaff4 100644 --- a/arch/mips/bcm63xx/prom.c +++ b/arch/mips/bcm63xx/prom.c @@ -26,7 +26,9 @@ void __init prom_init(void) bcm_wdt_writel(WDT_STOP_2, WDT_CTL_REG); /* disable all hardware blocks clock for now */ - if (BCMCPU_IS_6338()) + if (BCMCPU_IS_6328()) + mask = CKCTL_6328_ALL_SAFE_EN; + else if (BCMCPU_IS_6338()) mask = CKCTL_6338_ALL_SAFE_EN; else if (BCMCPU_IS_6345()) mask = CKCTL_6345_ALL_SAFE_EN; diff --git a/arch/mips/bcm63xx/setup.c b/arch/mips/bcm63xx/setup.c index 356b055..0e74a13 100644 --- a/arch/mips/bcm63xx/setup.c +++ b/arch/mips/bcm63xx/setup.c @@ -68,6 +68,9 @@ void bcm63xx_machine_reboot(void) /* mask and clear all external irq */ switch (bcm63xx_get_cpu_id()) { + case BCM6328_CPU_ID: + perf_regs[0] = PERF_EXTIRQ_CFG_REG_6328; + break; case BCM6338_CPU_ID: perf_regs[0] = PERF_EXTIRQ_CFG_REG_6338; break; @@ -95,9 +98,13 @@ void bcm63xx_machine_reboot(void) bcm6348_a1_reboot(); printk(KERN_INFO "triggering watchdog soft-reset...\n"); - reg = bcm_perf_readl(PERF_SYS_PLL_CTL_REG); - reg |= SYS_PLL_SOFT_RESET; - bcm_perf_writel(reg, PERF_SYS_PLL_CTL_REG); + if (BCMCPU_IS_6328()) { + bcm_wdt_writel(1, WDT_SOFTRESET_REG); + } else { + reg = bcm_perf_readl(PERF_SYS_PLL_CTL_REG); + reg |= SYS_PLL_SOFT_RESET; + bcm_perf_writel(reg, PERF_SYS_PLL_CTL_REG); + } while (1) ; } diff --git a/arch/mips/boot/compressed/Makefile b/arch/mips/boot/compressed/Makefile index 5042d51..c2a3fb0 100644 --- a/arch/mips/boot/compressed/Makefile +++ b/arch/mips/boot/compressed/Makefile @@ -58,8 +58,12 @@ $(obj)/piggy.o: $(obj)/dummy.o $(obj)/vmlinux.bin.z FORCE # Calculate the load address of the compressed kernel image hostprogs-y := calc_vmlinuz_load_addr +ifeq ($(CONFIG_MACH_JZ4740),y) +VMLINUZ_LOAD_ADDRESS := 0x80600000 +else VMLINUZ_LOAD_ADDRESS = $(shell $(obj)/calc_vmlinuz_load_addr \ $(obj)/vmlinux.bin $(VMLINUX_LOAD_ADDRESS)) +endif vmlinuzobjs-y += $(obj)/piggy.o diff --git a/arch/mips/boot/compressed/uart-16550.c b/arch/mips/boot/compressed/uart-16550.c index c9caaf4..1c7b739b 100644 --- a/arch/mips/boot/compressed/uart-16550.c +++ b/arch/mips/boot/compressed/uart-16550.c @@ -18,6 +18,11 @@ #define PORT(offset) (CKSEG1ADDR(AR7_REGS_UART0) + (4 * offset)) #endif +#ifdef CONFIG_MACH_JZ4740 +#define UART0_BASE 0xB0030000 +#define PORT(offset) (UART0_BASE + (4 * offset)) +#endif + #ifndef PORT #error please define the serial port address for your own machine #endif diff --git a/arch/mips/cavium-octeon/.gitignore b/arch/mips/cavium-octeon/.gitignore new file mode 100644 index 0000000..39c9686 --- /dev/null +++ b/arch/mips/cavium-octeon/.gitignore @@ -0,0 +1,2 @@ +*.dtb.S +*.dtb diff --git a/arch/mips/cavium-octeon/Makefile b/arch/mips/cavium-octeon/Makefile index 19eb043..bc96e29 100644 --- a/arch/mips/cavium-octeon/Makefile +++ b/arch/mips/cavium-octeon/Makefile @@ -9,9 +9,25 @@ # Copyright (C) 2005-2009 Cavium Networks # +CFLAGS_octeon-platform.o = -I$(src)/../../../scripts/dtc/libfdt +CFLAGS_setup.o = -I$(src)/../../../scripts/dtc/libfdt + obj-y := cpu.o setup.o serial.o octeon-platform.o octeon-irq.o csrc-octeon.o obj-y += dma-octeon.o flash_setup.o obj-y += octeon-memcpy.o obj-y += executive/ obj-$(CONFIG_SMP) += smp.o + +DTS_FILES = octeon_3xxx.dts octeon_68xx.dts +DTB_FILES = $(patsubst %.dts, %.dtb, $(DTS_FILES)) + +obj-y += $(patsubst %.dts, %.dtb.o, $(DTS_FILES)) + +$(obj)/%.dtb: $(src)/%.dts FORCE + $(call if_changed_dep,dtc) + +# Let's keep the .dtb files around in case we want to look at them. +.SECONDARY: $(addprefix $(obj)/, $(DTB_FILES)) + +clean-files += $(DTB_FILES) $(patsubst %.dtb, %.dtb.S, $(DTB_FILES)) diff --git a/arch/mips/cavium-octeon/executive/cvmx-fpa.c b/arch/mips/cavium-octeon/executive/cvmx-fpa.c deleted file mode 100644 index ad44b8b..0000000 --- a/arch/mips/cavium-octeon/executive/cvmx-fpa.c +++ /dev/null @@ -1,183 +0,0 @@ -/***********************license start*************** - * Author: Cavium Networks - * - * Contact: support@caviumnetworks.com - * This file is part of the OCTEON SDK - * - * Copyright (c) 2003-2008 Cavium Networks - * - * This file is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License, Version 2, as - * published by the Free Software Foundation. - * - * This file is distributed in the hope that it will be useful, but - * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty - * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or - * NONINFRINGEMENT. See the GNU General Public License for more - * details. - * - * You should have received a copy of the GNU General Public License - * along with this file; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - * or visit http://www.gnu.org/licenses/. - * - * This file may also be available under a different license from Cavium. - * Contact Cavium Networks for more information - ***********************license end**************************************/ - -/** - * @file - * - * Support library for the hardware Free Pool Allocator. - * - * - */ - -#include "cvmx-config.h" -#include "cvmx.h" -#include "cvmx-fpa.h" -#include "cvmx-ipd.h" - -/** - * Current state of all the pools. Use access functions - * instead of using it directly. - */ -CVMX_SHARED cvmx_fpa_pool_info_t cvmx_fpa_pool_info[CVMX_FPA_NUM_POOLS]; - -/** - * Setup a FPA pool to control a new block of memory. The - * buffer pointer must be a physical address. - * - * @pool: Pool to initialize - * 0 <= pool < 8 - * @name: Constant character string to name this pool. - * String is not copied. - * @buffer: Pointer to the block of memory to use. This must be - * accessible by all processors and external hardware. - * @block_size: Size for each block controlled by the FPA - * @num_blocks: Number of blocks - * - * Returns 0 on Success, - * -1 on failure - */ -int cvmx_fpa_setup_pool(uint64_t pool, const char *name, void *buffer, - uint64_t block_size, uint64_t num_blocks) -{ - char *ptr; - if (!buffer) { - cvmx_dprintf - ("ERROR: cvmx_fpa_setup_pool: NULL buffer pointer!\n"); - return -1; - } - if (pool >= CVMX_FPA_NUM_POOLS) { - cvmx_dprintf("ERROR: cvmx_fpa_setup_pool: Illegal pool!\n"); - return -1; - } - - if (block_size < CVMX_FPA_MIN_BLOCK_SIZE) { - cvmx_dprintf - ("ERROR: cvmx_fpa_setup_pool: Block size too small.\n"); - return -1; - } - - if (((unsigned long)buffer & (CVMX_FPA_ALIGNMENT - 1)) != 0) { - cvmx_dprintf - ("ERROR: cvmx_fpa_setup_pool: Buffer not aligned properly.\n"); - return -1; - } - - cvmx_fpa_pool_info[pool].name = name; - cvmx_fpa_pool_info[pool].size = block_size; - cvmx_fpa_pool_info[pool].starting_element_count = num_blocks; - cvmx_fpa_pool_info[pool].base = buffer; - - ptr = (char *)buffer; - while (num_blocks--) { - cvmx_fpa_free(ptr, pool, 0); - ptr += block_size; - } - return 0; -} - -/** - * Shutdown a Memory pool and validate that it had all of - * the buffers originally placed in it. - * - * @pool: Pool to shutdown - * Returns Zero on success - * - Positive is count of missing buffers - * - Negative is too many buffers or corrupted pointers - */ -uint64_t cvmx_fpa_shutdown_pool(uint64_t pool) -{ - uint64_t errors = 0; - uint64_t count = 0; - uint64_t base = cvmx_ptr_to_phys(cvmx_fpa_pool_info[pool].base); - uint64_t finish = - base + - cvmx_fpa_pool_info[pool].size * - cvmx_fpa_pool_info[pool].starting_element_count; - void *ptr; - uint64_t address; - - count = 0; - do { - ptr = cvmx_fpa_alloc(pool); - if (ptr) - address = cvmx_ptr_to_phys(ptr); - else - address = 0; - if (address) { - if ((address >= base) && (address < finish) && - (((address - - base) % cvmx_fpa_pool_info[pool].size) == 0)) { - count++; - } else { - cvmx_dprintf - ("ERROR: cvmx_fpa_shutdown_pool: Illegal address 0x%llx in pool %s(%d)\n", - (unsigned long long)address, - cvmx_fpa_pool_info[pool].name, (int)pool); - errors++; - } - } - } while (address); - -#ifdef CVMX_ENABLE_PKO_FUNCTIONS - if (pool == 0) - cvmx_ipd_free_ptr(); -#endif - - if (errors) { - cvmx_dprintf - ("ERROR: cvmx_fpa_shutdown_pool: Pool %s(%d) started at 0x%llx, ended at 0x%llx, with a step of 0x%llx\n", - cvmx_fpa_pool_info[pool].name, (int)pool, - (unsigned long long)base, (unsigned long long)finish, - (unsigned long long)cvmx_fpa_pool_info[pool].size); - return -errors; - } else - return 0; -} - -uint64_t cvmx_fpa_get_block_size(uint64_t pool) -{ - switch (pool) { - case 0: - return CVMX_FPA_POOL_0_SIZE; - case 1: - return CVMX_FPA_POOL_1_SIZE; - case 2: - return CVMX_FPA_POOL_2_SIZE; - case 3: - return CVMX_FPA_POOL_3_SIZE; - case 4: - return CVMX_FPA_POOL_4_SIZE; - case 5: - return CVMX_FPA_POOL_5_SIZE; - case 6: - return CVMX_FPA_POOL_6_SIZE; - case 7: - return CVMX_FPA_POOL_7_SIZE; - default: - return 0; - } -} diff --git a/arch/mips/cavium-octeon/executive/cvmx-helper-fpa.c b/arch/mips/cavium-octeon/executive/cvmx-helper-fpa.c deleted file mode 100644 index c239e5f..0000000 --- a/arch/mips/cavium-octeon/executive/cvmx-helper-fpa.c +++ /dev/null @@ -1,243 +0,0 @@ -/***********************license start*************** - * Author: Cavium Networks - * - * Contact: support@caviumnetworks.com - * This file is part of the OCTEON SDK - * - * Copyright (c) 2003-2008 Cavium Networks - * - * This file is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License, Version 2, as - * published by the Free Software Foundation. - * - * This file is distributed in the hope that it will be useful, but - * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty - * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or - * NONINFRINGEMENT. See the GNU General Public License for more - * details. - * - * You should have received a copy of the GNU General Public License - * along with this file; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - * or visit http://www.gnu.org/licenses/. - * - * This file may also be available under a different license from Cavium. - * Contact Cavium Networks for more information - ***********************license end**************************************/ - -/** - * @file - * - * Helper functions for FPA setup. - * - */ -#include "executive-config.h" -#include "cvmx-config.h" -#include "cvmx.h" -#include "cvmx-bootmem.h" -#include "cvmx-fpa.h" -#include "cvmx-helper-fpa.h" - -/** - * Allocate memory for and initialize a single FPA pool. - * - * @pool: Pool to initialize - * @buffer_size: Size of buffers to allocate in bytes - * @buffers: Number of buffers to put in the pool. Zero is allowed - * @name: String name of the pool for debugging purposes - * Returns Zero on success, non-zero on failure - */ -static int __cvmx_helper_initialize_fpa_pool(int pool, uint64_t buffer_size, - uint64_t buffers, const char *name) -{ - uint64_t current_num; - void *memory; - uint64_t align = CVMX_CACHE_LINE_SIZE; - - /* - * Align the allocation so that power of 2 size buffers are - * naturally aligned. - */ - while (align < buffer_size) - align = align << 1; - - if (buffers == 0) - return 0; - - current_num = cvmx_read_csr(CVMX_FPA_QUEX_AVAILABLE(pool)); - if (current_num) { - cvmx_dprintf("Fpa pool %d(%s) already has %llu buffers. " - "Skipping setup.\n", - pool, name, (unsigned long long)current_num); - return 0; - } - - memory = cvmx_bootmem_alloc(buffer_size * buffers, align); - if (memory == NULL) { - cvmx_dprintf("Out of memory initializing fpa pool %d(%s).\n", - pool, name); - return -1; - } - cvmx_fpa_setup_pool(pool, name, memory, buffer_size, buffers); - return 0; -} - -/** - * Allocate memory and initialize the FPA pools using memory - * from cvmx-bootmem. Specifying zero for the number of - * buffers will cause that FPA pool to not be setup. This is - * useful if you aren't using some of the hardware and want - * to save memory. Use cvmx_helper_initialize_fpa instead of - * this function directly. - * - * @pip_pool: Should always be CVMX_FPA_PACKET_POOL - * @pip_size: Should always be CVMX_FPA_PACKET_POOL_SIZE - * @pip_buffers: - * Number of packet buffers. - * @wqe_pool: Should always be CVMX_FPA_WQE_POOL - * @wqe_size: Should always be CVMX_FPA_WQE_POOL_SIZE - * @wqe_entries: - * Number of work queue entries - * @pko_pool: Should always be CVMX_FPA_OUTPUT_BUFFER_POOL - * @pko_size: Should always be CVMX_FPA_OUTPUT_BUFFER_POOL_SIZE - * @pko_buffers: - * PKO Command buffers. You should at minimum have two per - * each PKO queue. - * @tim_pool: Should always be CVMX_FPA_TIMER_POOL - * @tim_size: Should always be CVMX_FPA_TIMER_POOL_SIZE - * @tim_buffers: - * TIM ring buffer command queues. At least two per timer bucket - * is recommened. - * @dfa_pool: Should always be CVMX_FPA_DFA_POOL - * @dfa_size: Should always be CVMX_FPA_DFA_POOL_SIZE - * @dfa_buffers: - * DFA command buffer. A relatively small (32 for example) - * number should work. - * Returns Zero on success, non-zero if out of memory - */ -static int __cvmx_helper_initialize_fpa(int pip_pool, int pip_size, - int pip_buffers, int wqe_pool, - int wqe_size, int wqe_entries, - int pko_pool, int pko_size, - int pko_buffers, int tim_pool, - int tim_size, int tim_buffers, - int dfa_pool, int dfa_size, - int dfa_buffers) -{ - int status; - - cvmx_fpa_enable(); - - if ((pip_buffers > 0) && (pip_buffers <= 64)) - cvmx_dprintf - ("Warning: %d packet buffers may not be enough for hardware" - " prefetch. 65 or more is recommended.\n", pip_buffers); - - if (pip_pool >= 0) { - status = - __cvmx_helper_initialize_fpa_pool(pip_pool, pip_size, - pip_buffers, - "Packet Buffers"); - if (status) - return status; - } - - if (wqe_pool >= 0) { - status = - __cvmx_helper_initialize_fpa_pool(wqe_pool, wqe_size, - wqe_entries, - "Work Queue Entries"); - if (status) - return status; - } - - if (pko_pool >= 0) { - status = - __cvmx_helper_initialize_fpa_pool(pko_pool, pko_size, - pko_buffers, - "PKO Command Buffers"); - if (status) - return status; - } - - if (tim_pool >= 0) { - status = - __cvmx_helper_initialize_fpa_pool(tim_pool, tim_size, - tim_buffers, - "TIM Command Buffers"); - if (status) - return status; - } - - if (dfa_pool >= 0) { - status = - __cvmx_helper_initialize_fpa_pool(dfa_pool, dfa_size, - dfa_buffers, - "DFA Command Buffers"); - if (status) - return status; - } - - return 0; -} - -/** - * Allocate memory and initialize the FPA pools using memory - * from cvmx-bootmem. Sizes of each element in the pools is - * controlled by the cvmx-config.h header file. Specifying - * zero for any parameter will cause that FPA pool to not be - * setup. This is useful if you aren't using some of the - * hardware and want to save memory. - * - * @packet_buffers: - * Number of packet buffers to allocate - * @work_queue_entries: - * Number of work queue entries - * @pko_buffers: - * PKO Command buffers. You should at minimum have two per - * each PKO queue. - * @tim_buffers: - * TIM ring buffer command queues. At least two per timer bucket - * is recommened. - * @dfa_buffers: - * DFA command buffer. A relatively small (32 for example) - * number should work. - * Returns Zero on success, non-zero if out of memory - */ -int cvmx_helper_initialize_fpa(int packet_buffers, int work_queue_entries, - int pko_buffers, int tim_buffers, - int dfa_buffers) -{ -#ifndef CVMX_FPA_PACKET_POOL -#define CVMX_FPA_PACKET_POOL -1 -#define CVMX_FPA_PACKET_POOL_SIZE 0 -#endif -#ifndef CVMX_FPA_WQE_POOL -#define CVMX_FPA_WQE_POOL -1 -#define CVMX_FPA_WQE_POOL_SIZE 0 -#endif -#ifndef CVMX_FPA_OUTPUT_BUFFER_POOL -#define CVMX_FPA_OUTPUT_BUFFER_POOL -1 -#define CVMX_FPA_OUTPUT_BUFFER_POOL_SIZE 0 -#endif -#ifndef CVMX_FPA_TIMER_POOL -#define CVMX_FPA_TIMER_POOL -1 -#define CVMX_FPA_TIMER_POOL_SIZE 0 -#endif -#ifndef CVMX_FPA_DFA_POOL -#define CVMX_FPA_DFA_POOL -1 -#define CVMX_FPA_DFA_POOL_SIZE 0 -#endif - return __cvmx_helper_initialize_fpa(CVMX_FPA_PACKET_POOL, - CVMX_FPA_PACKET_POOL_SIZE, - packet_buffers, CVMX_FPA_WQE_POOL, - CVMX_FPA_WQE_POOL_SIZE, - work_queue_entries, - CVMX_FPA_OUTPUT_BUFFER_POOL, - CVMX_FPA_OUTPUT_BUFFER_POOL_SIZE, - pko_buffers, CVMX_FPA_TIMER_POOL, - CVMX_FPA_TIMER_POOL_SIZE, - tim_buffers, CVMX_FPA_DFA_POOL, - CVMX_FPA_DFA_POOL_SIZE, - dfa_buffers); -} diff --git a/arch/mips/cavium-octeon/octeon-irq.c b/arch/mips/cavium-octeon/octeon-irq.c index ffd4ae6..7fb1f22 100644 --- a/arch/mips/cavium-octeon/octeon-irq.c +++ b/arch/mips/cavium-octeon/octeon-irq.c @@ -3,14 +3,17 @@ * License. See the file "COPYING" in the main directory of this archive * for more details. * - * Copyright (C) 2004-2008, 2009, 2010, 2011 Cavium Networks + * Copyright (C) 2004-2012 Cavium, Inc. */ #include <linux/interrupt.h> +#include <linux/irqdomain.h> #include <linux/bitops.h> #include <linux/percpu.h> +#include <linux/slab.h> #include <linux/irq.h> #include <linux/smp.h> +#include <linux/of.h> #include <asm/octeon/octeon.h> @@ -42,9 +45,9 @@ struct octeon_core_chip_data { static struct octeon_core_chip_data octeon_irq_core_chip_data[MIPS_CORE_IRQ_LINES]; -static void __init octeon_irq_set_ciu_mapping(int irq, int line, int bit, - struct irq_chip *chip, - irq_flow_handler_t handler) +static void octeon_irq_set_ciu_mapping(int irq, int line, int bit, + struct irq_chip *chip, + irq_flow_handler_t handler) { union octeon_ciu_chip_data cd; @@ -505,6 +508,85 @@ static void octeon_irq_ciu_enable_all_v2(struct irq_data *data) } } +static void octeon_irq_gpio_setup(struct irq_data *data) +{ + union cvmx_gpio_bit_cfgx cfg; + union octeon_ciu_chip_data cd; + u32 t = irqd_get_trigger_type(data); + + cd.p = irq_data_get_irq_chip_data(data); + + cfg.u64 = 0; + cfg.s.int_en = 1; + cfg.s.int_type = (t & IRQ_TYPE_EDGE_BOTH) != 0; + cfg.s.rx_xor = (t & (IRQ_TYPE_LEVEL_LOW | IRQ_TYPE_EDGE_FALLING)) != 0; + + /* 140 nS glitch filter*/ + cfg.s.fil_cnt = 7; + cfg.s.fil_sel = 3; + + cvmx_write_csr(CVMX_GPIO_BIT_CFGX(cd.s.bit - 16), cfg.u64); +} + +static void octeon_irq_ciu_enable_gpio_v2(struct irq_data *data) +{ + octeon_irq_gpio_setup(data); + octeon_irq_ciu_enable_v2(data); +} + +static void octeon_irq_ciu_enable_gpio(struct irq_data *data) +{ + octeon_irq_gpio_setup(data); + octeon_irq_ciu_enable(data); +} + +static int octeon_irq_ciu_gpio_set_type(struct irq_data *data, unsigned int t) +{ + irqd_set_trigger_type(data, t); + octeon_irq_gpio_setup(data); + + return IRQ_SET_MASK_OK; +} + +static void octeon_irq_ciu_disable_gpio_v2(struct irq_data *data) +{ + union octeon_ciu_chip_data cd; + + cd.p = irq_data_get_irq_chip_data(data); + cvmx_write_csr(CVMX_GPIO_BIT_CFGX(cd.s.bit - 16), 0); + + octeon_irq_ciu_disable_all_v2(data); +} + +static void octeon_irq_ciu_disable_gpio(struct irq_data *data) +{ + union octeon_ciu_chip_data cd; + + cd.p = irq_data_get_irq_chip_data(data); + cvmx_write_csr(CVMX_GPIO_BIT_CFGX(cd.s.bit - 16), 0); + + octeon_irq_ciu_disable_all(data); +} + +static void octeon_irq_ciu_gpio_ack(struct irq_data *data) +{ + union octeon_ciu_chip_data cd; + u64 mask; + + cd.p = irq_data_get_irq_chip_data(data); + mask = 1ull << (cd.s.bit - 16); + + cvmx_write_csr(CVMX_GPIO_INT_CLR, mask); +} + +static void octeon_irq_handle_gpio(unsigned int irq, struct irq_desc *desc) +{ + if (irqd_get_trigger_type(irq_desc_get_irq_data(desc)) & IRQ_TYPE_EDGE_BOTH) + handle_edge_irq(irq, desc); + else + handle_level_irq(irq, desc); +} + #ifdef CONFIG_SMP static void octeon_irq_cpu_offline_ciu(struct irq_data *data) @@ -650,18 +732,6 @@ static struct irq_chip octeon_irq_chip_ciu_v2 = { .name = "CIU", .irq_enable = octeon_irq_ciu_enable_v2, .irq_disable = octeon_irq_ciu_disable_all_v2, - .irq_mask = octeon_irq_ciu_disable_local_v2, - .irq_unmask = octeon_irq_ciu_enable_v2, -#ifdef CONFIG_SMP - .irq_set_affinity = octeon_irq_ciu_set_affinity_v2, - .irq_cpu_offline = octeon_irq_cpu_offline_ciu, -#endif -}; - -static struct irq_chip octeon_irq_chip_ciu_edge_v2 = { - .name = "CIU-E", - .irq_enable = octeon_irq_ciu_enable_v2, - .irq_disable = octeon_irq_ciu_disable_all_v2, .irq_ack = octeon_irq_ciu_ack, .irq_mask = octeon_irq_ciu_disable_local_v2, .irq_unmask = octeon_irq_ciu_enable_v2, @@ -675,19 +745,8 @@ static struct irq_chip octeon_irq_chip_ciu = { .name = "CIU", .irq_enable = octeon_irq_ciu_enable, .irq_disable = octeon_irq_ciu_disable_all, - .irq_mask = octeon_irq_dummy_mask, -#ifdef CONFIG_SMP - .irq_set_affinity = octeon_irq_ciu_set_affinity, - .irq_cpu_offline = octeon_irq_cpu_offline_ciu, -#endif -}; - -static struct irq_chip octeon_irq_chip_ciu_edge = { - .name = "CIU-E", - .irq_enable = octeon_irq_ciu_enable, - .irq_disable = octeon_irq_ciu_disable_all, - .irq_mask = octeon_irq_dummy_mask, .irq_ack = octeon_irq_ciu_ack, + .irq_mask = octeon_irq_dummy_mask, #ifdef CONFIG_SMP .irq_set_affinity = octeon_irq_ciu_set_affinity, .irq_cpu_offline = octeon_irq_cpu_offline_ciu, @@ -717,6 +776,33 @@ static struct irq_chip octeon_irq_chip_ciu_mbox = { .flags = IRQCHIP_ONOFFLINE_ENABLED, }; +static struct irq_chip octeon_irq_chip_ciu_gpio_v2 = { + .name = "CIU-GPIO", + .irq_enable = octeon_irq_ciu_enable_gpio_v2, + .irq_disable = octeon_irq_ciu_disable_gpio_v2, + .irq_ack = octeon_irq_ciu_gpio_ack, + .irq_mask = octeon_irq_ciu_disable_local_v2, + .irq_unmask = octeon_irq_ciu_enable_v2, + .irq_set_type = octeon_irq_ciu_gpio_set_type, +#ifdef CONFIG_SMP + .irq_set_affinity = octeon_irq_ciu_set_affinity_v2, +#endif + .flags = IRQCHIP_SET_TYPE_MASKED, +}; + +static struct irq_chip octeon_irq_chip_ciu_gpio = { + .name = "CIU-GPIO", + .irq_enable = octeon_irq_ciu_enable_gpio, + .irq_disable = octeon_irq_ciu_disable_gpio, + .irq_mask = octeon_irq_dummy_mask, + .irq_ack = octeon_irq_ciu_gpio_ack, + .irq_set_type = octeon_irq_ciu_gpio_set_type, +#ifdef CONFIG_SMP + .irq_set_affinity = octeon_irq_ciu_set_affinity, +#endif + .flags = IRQCHIP_SET_TYPE_MASKED, +}; + /* * Watchdog interrupts are special. They are associated with a single * core, so we hardwire the affinity to that core. @@ -764,6 +850,178 @@ static struct irq_chip octeon_irq_chip_ciu_wd = { .irq_mask = octeon_irq_dummy_mask, }; +static bool octeon_irq_ciu_is_edge(unsigned int line, unsigned int bit) +{ + bool edge = false; + + if (line == 0) + switch (bit) { + case 48 ... 49: /* GMX DRP */ + case 50: /* IPD_DRP */ + case 52 ... 55: /* Timers */ + case 58: /* MPI */ + edge = true; + break; + default: + break; + } + else /* line == 1 */ + switch (bit) { + case 47: /* PTP */ + edge = true; + break; + default: + break; + } + return edge; +} + +struct octeon_irq_gpio_domain_data { + unsigned int base_hwirq; +}; + +static int octeon_irq_gpio_xlat(struct irq_domain *d, + struct device_node *node, + const u32 *intspec, + unsigned int intsize, + unsigned long *out_hwirq, + unsigned int *out_type) +{ + unsigned int type; + unsigned int pin; + unsigned int trigger; + struct octeon_irq_gpio_domain_data *gpiod; + + if (d->of_node != node) + return -EINVAL; + + if (intsize < 2) + return -EINVAL; + + pin = intspec[0]; + if (pin >= 16) + return -EINVAL; + + trigger = intspec[1]; + + switch (trigger) { + case 1: + type = IRQ_TYPE_EDGE_RISING; + break; + case 2: + type = IRQ_TYPE_EDGE_FALLING; + break; + case 4: + type = IRQ_TYPE_LEVEL_HIGH; + break; + case 8: + type = IRQ_TYPE_LEVEL_LOW; + break; + default: + pr_err("Error: (%s) Invalid irq trigger specification: %x\n", + node->name, + trigger); + type = IRQ_TYPE_LEVEL_LOW; + break; + } + *out_type = type; + gpiod = d->host_data; + *out_hwirq = gpiod->base_hwirq + pin; + + return 0; +} + +static int octeon_irq_ciu_xlat(struct irq_domain *d, + struct device_node *node, + const u32 *intspec, + unsigned int intsize, + unsigned long *out_hwirq, + unsigned int *out_type) +{ + unsigned int ciu, bit; + + ciu = intspec[0]; + bit = intspec[1]; + + if (ciu > 1 || bit > 63) + return -EINVAL; + + /* These are the GPIO lines */ + if (ciu == 0 && bit >= 16 && bit < 32) + return -EINVAL; + + *out_hwirq = (ciu << 6) | bit; + *out_type = 0; + + return 0; +} + +static struct irq_chip *octeon_irq_ciu_chip; +static struct irq_chip *octeon_irq_gpio_chip; + +static bool octeon_irq_virq_in_range(unsigned int virq) +{ + /* We cannot let it overflow the mapping array. */ + if (virq < (1ul << 8 * sizeof(octeon_irq_ciu_to_irq[0][0]))) + return true; + + WARN_ONCE(true, "virq out of range %u.\n", virq); + return false; +} + +static int octeon_irq_ciu_map(struct irq_domain *d, + unsigned int virq, irq_hw_number_t hw) +{ + unsigned int line = hw >> 6; + unsigned int bit = hw & 63; + + if (!octeon_irq_virq_in_range(virq)) + return -EINVAL; + + if (line > 1 || octeon_irq_ciu_to_irq[line][bit] != 0) + return -EINVAL; + + if (octeon_irq_ciu_is_edge(line, bit)) + octeon_irq_set_ciu_mapping(virq, line, bit, + octeon_irq_ciu_chip, + handle_edge_irq); + else + octeon_irq_set_ciu_mapping(virq, line, bit, + octeon_irq_ciu_chip, + handle_level_irq); + + return 0; +} + +static int octeon_irq_gpio_map(struct irq_domain *d, + unsigned int virq, irq_hw_number_t hw) +{ + unsigned int line = hw >> 6; + unsigned int bit = hw & 63; + + if (!octeon_irq_virq_in_range(virq)) + return -EINVAL; + + if (line > 1 || octeon_irq_ciu_to_irq[line][bit] != 0) + return -EINVAL; + + octeon_irq_set_ciu_mapping(virq, line, bit, + octeon_irq_gpio_chip, + octeon_irq_handle_gpio); + + return 0; +} + +static struct irq_domain_ops octeon_irq_domain_ciu_ops = { + .map = octeon_irq_ciu_map, + .xlate = octeon_irq_ciu_xlat, +}; + +static struct irq_domain_ops octeon_irq_domain_gpio_ops = { + .map = octeon_irq_gpio_map, + .xlate = octeon_irq_gpio_xlat, +}; + static void octeon_irq_ip2_v1(void) { const unsigned long core_id = cvmx_get_core_num(); @@ -887,9 +1145,10 @@ static void __init octeon_irq_init_ciu(void) { unsigned int i; struct irq_chip *chip; - struct irq_chip *chip_edge; struct irq_chip *chip_mbox; struct irq_chip *chip_wd; + struct device_node *gpio_node; + struct device_node *ciu_node; octeon_irq_init_ciu_percpu(); octeon_irq_setup_secondary = octeon_irq_setup_secondary_ciu; @@ -901,17 +1160,18 @@ static void __init octeon_irq_init_ciu(void) octeon_irq_ip2 = octeon_irq_ip2_v2; octeon_irq_ip3 = octeon_irq_ip3_v2; chip = &octeon_irq_chip_ciu_v2; - chip_edge = &octeon_irq_chip_ciu_edge_v2; chip_mbox = &octeon_irq_chip_ciu_mbox_v2; chip_wd = &octeon_irq_chip_ciu_wd_v2; + octeon_irq_gpio_chip = &octeon_irq_chip_ciu_gpio_v2; } else { octeon_irq_ip2 = octeon_irq_ip2_v1; octeon_irq_ip3 = octeon_irq_ip3_v1; chip = &octeon_irq_chip_ciu; - chip_edge = &octeon_irq_chip_ciu_edge; chip_mbox = &octeon_irq_chip_ciu_mbox; chip_wd = &octeon_irq_chip_ciu_wd; + octeon_irq_gpio_chip = &octeon_irq_chip_ciu_gpio; } + octeon_irq_ciu_chip = chip; octeon_irq_ip4 = octeon_irq_ip4_mask; /* Mips internal */ @@ -920,80 +1180,49 @@ static void __init octeon_irq_init_ciu(void) /* CIU_0 */ for (i = 0; i < 16; i++) octeon_irq_set_ciu_mapping(i + OCTEON_IRQ_WORKQ0, 0, i + 0, chip, handle_level_irq); - for (i = 0; i < 16; i++) - octeon_irq_set_ciu_mapping(i + OCTEON_IRQ_GPIO0, 0, i + 16, chip, handle_level_irq); octeon_irq_set_ciu_mapping(OCTEON_IRQ_MBOX0, 0, 32, chip_mbox, handle_percpu_irq); octeon_irq_set_ciu_mapping(OCTEON_IRQ_MBOX1, 0, 33, chip_mbox, handle_percpu_irq); - octeon_irq_set_ciu_mapping(OCTEON_IRQ_UART0, 0, 34, chip, handle_level_irq); - octeon_irq_set_ciu_mapping(OCTEON_IRQ_UART1, 0, 35, chip, handle_level_irq); - for (i = 0; i < 4; i++) octeon_irq_set_ciu_mapping(i + OCTEON_IRQ_PCI_INT0, 0, i + 36, chip, handle_level_irq); for (i = 0; i < 4; i++) octeon_irq_set_ciu_mapping(i + OCTEON_IRQ_PCI_MSI0, 0, i + 40, chip, handle_level_irq); - octeon_irq_set_ciu_mapping(OCTEON_IRQ_TWSI, 0, 45, chip, handle_level_irq); octeon_irq_set_ciu_mapping(OCTEON_IRQ_RML, 0, 46, chip, handle_level_irq); - octeon_irq_set_ciu_mapping(OCTEON_IRQ_TRACE0, 0, 47, chip, handle_level_irq); - - for (i = 0; i < 2; i++) - octeon_irq_set_ciu_mapping(i + OCTEON_IRQ_GMX_DRP0, 0, i + 48, chip_edge, handle_edge_irq); - - octeon_irq_set_ciu_mapping(OCTEON_IRQ_IPD_DRP, 0, 50, chip_edge, handle_edge_irq); - octeon_irq_set_ciu_mapping(OCTEON_IRQ_KEY_ZERO, 0, 51, chip_edge, handle_edge_irq); - for (i = 0; i < 4; i++) - octeon_irq_set_ciu_mapping(i + OCTEON_IRQ_TIMER0, 0, i + 52, chip_edge, handle_edge_irq); + octeon_irq_set_ciu_mapping(i + OCTEON_IRQ_TIMER0, 0, i + 52, chip, handle_edge_irq); octeon_irq_set_ciu_mapping(OCTEON_IRQ_USB0, 0, 56, chip, handle_level_irq); - octeon_irq_set_ciu_mapping(OCTEON_IRQ_PCM, 0, 57, chip, handle_level_irq); - octeon_irq_set_ciu_mapping(OCTEON_IRQ_MPI, 0, 58, chip, handle_level_irq); - octeon_irq_set_ciu_mapping(OCTEON_IRQ_TWSI2, 0, 59, chip, handle_level_irq); - octeon_irq_set_ciu_mapping(OCTEON_IRQ_POWIQ, 0, 60, chip, handle_level_irq); - octeon_irq_set_ciu_mapping(OCTEON_IRQ_IPDPPTHR, 0, 61, chip, handle_level_irq); - octeon_irq_set_ciu_mapping(OCTEON_IRQ_MII0, 0, 62, chip, handle_level_irq); octeon_irq_set_ciu_mapping(OCTEON_IRQ_BOOTDMA, 0, 63, chip, handle_level_irq); /* CIU_1 */ for (i = 0; i < 16; i++) octeon_irq_set_ciu_mapping(i + OCTEON_IRQ_WDOG0, 1, i + 0, chip_wd, handle_level_irq); - octeon_irq_set_ciu_mapping(OCTEON_IRQ_UART2, 1, 16, chip, handle_level_irq); octeon_irq_set_ciu_mapping(OCTEON_IRQ_USB1, 1, 17, chip, handle_level_irq); - octeon_irq_set_ciu_mapping(OCTEON_IRQ_MII1, 1, 18, chip, handle_level_irq); - octeon_irq_set_ciu_mapping(OCTEON_IRQ_NAND, 1, 19, chip, handle_level_irq); - octeon_irq_set_ciu_mapping(OCTEON_IRQ_MIO, 1, 20, chip, handle_level_irq); - octeon_irq_set_ciu_mapping(OCTEON_IRQ_IOB, 1, 21, chip, handle_level_irq); - octeon_irq_set_ciu_mapping(OCTEON_IRQ_FPA, 1, 22, chip, handle_level_irq); - octeon_irq_set_ciu_mapping(OCTEON_IRQ_POW, 1, 23, chip, handle_level_irq); - octeon_irq_set_ciu_mapping(OCTEON_IRQ_L2C, 1, 24, chip, handle_level_irq); - octeon_irq_set_ciu_mapping(OCTEON_IRQ_IPD, 1, 25, chip, handle_level_irq); - octeon_irq_set_ciu_mapping(OCTEON_IRQ_PIP, 1, 26, chip, handle_level_irq); - octeon_irq_set_ciu_mapping(OCTEON_IRQ_PKO, 1, 27, chip, handle_level_irq); - octeon_irq_set_ciu_mapping(OCTEON_IRQ_ZIP, 1, 28, chip, handle_level_irq); - octeon_irq_set_ciu_mapping(OCTEON_IRQ_TIM, 1, 29, chip, handle_level_irq); - octeon_irq_set_ciu_mapping(OCTEON_IRQ_RAD, 1, 30, chip, handle_level_irq); - octeon_irq_set_ciu_mapping(OCTEON_IRQ_KEY, 1, 31, chip, handle_level_irq); - octeon_irq_set_ciu_mapping(OCTEON_IRQ_DFA, 1, 32, chip, handle_level_irq); - octeon_irq_set_ciu_mapping(OCTEON_IRQ_USBCTL, 1, 33, chip, handle_level_irq); - octeon_irq_set_ciu_mapping(OCTEON_IRQ_SLI, 1, 34, chip, handle_level_irq); - octeon_irq_set_ciu_mapping(OCTEON_IRQ_DPI, 1, 35, chip, handle_level_irq); - - octeon_irq_set_ciu_mapping(OCTEON_IRQ_AGX0, 1, 36, chip, handle_level_irq); - - octeon_irq_set_ciu_mapping(OCTEON_IRQ_AGL, 1, 46, chip, handle_level_irq); - - octeon_irq_set_ciu_mapping(OCTEON_IRQ_PTP, 1, 47, chip_edge, handle_edge_irq); - - octeon_irq_set_ciu_mapping(OCTEON_IRQ_PEM0, 1, 48, chip, handle_level_irq); - octeon_irq_set_ciu_mapping(OCTEON_IRQ_PEM1, 1, 49, chip, handle_level_irq); - octeon_irq_set_ciu_mapping(OCTEON_IRQ_SRIO0, 1, 50, chip, handle_level_irq); - octeon_irq_set_ciu_mapping(OCTEON_IRQ_SRIO1, 1, 51, chip, handle_level_irq); - octeon_irq_set_ciu_mapping(OCTEON_IRQ_LMC0, 1, 52, chip, handle_level_irq); - octeon_irq_set_ciu_mapping(OCTEON_IRQ_DFM, 1, 56, chip, handle_level_irq); - octeon_irq_set_ciu_mapping(OCTEON_IRQ_RST, 1, 63, chip, handle_level_irq); + + gpio_node = of_find_compatible_node(NULL, NULL, "cavium,octeon-3860-gpio"); + if (gpio_node) { + struct octeon_irq_gpio_domain_data *gpiod; + + gpiod = kzalloc(sizeof(*gpiod), GFP_KERNEL); + if (gpiod) { + /* gpio domain host_data is the base hwirq number. */ + gpiod->base_hwirq = 16; + irq_domain_add_linear(gpio_node, 16, &octeon_irq_domain_gpio_ops, gpiod); + of_node_put(gpio_node); + } else + pr_warn("Cannot allocate memory for GPIO irq_domain.\n"); + } else + pr_warn("Cannot find device node for cavium,octeon-3860-gpio.\n"); + + ciu_node = of_find_compatible_node(NULL, NULL, "cavium,octeon-3860-ciu"); + if (ciu_node) { + irq_domain_add_tree(ciu_node, &octeon_irq_domain_ciu_ops, NULL); + of_node_put(ciu_node); + } else + pr_warn("Cannot find device node for cavium,octeon-3860-ciu.\n"); /* Enable the CIU lines */ set_c0_status(STATUSF_IP3 | STATUSF_IP2); diff --git a/arch/mips/cavium-octeon/octeon-memcpy.S b/arch/mips/cavium-octeon/octeon-memcpy.S index 88e0cdd..db478db 100644 --- a/arch/mips/cavium-octeon/octeon-memcpy.S +++ b/arch/mips/cavium-octeon/octeon-memcpy.S @@ -164,6 +164,14 @@ .set noat /* + * t7 is used as a flag to note inatomic mode. + */ +LEAF(__copy_user_inatomic) + b __copy_user_common + li t7, 1 + END(__copy_user_inatomic) + +/* * A combined memcpy/__copy_user * __copy_user sets len to 0 for success; else to an upper bound of * the number of uncopied bytes. @@ -174,6 +182,8 @@ LEAF(memcpy) /* a0=dst a1=src a2=len */ move v0, dst /* return value */ __memcpy: FEXPORT(__copy_user) + li t7, 0 /* not inatomic */ +__copy_user_common: /* * Note: dst & src may be unaligned, len may be 0 * Temps @@ -412,7 +422,6 @@ l_exc_copy: * Assumes src < THREAD_BUADDR($28) */ LOAD t0, TI_TASK($28) - nop LOAD t0, THREAD_BUADDR(t0) 1: EXC( lb t1, 0(src), l_exc) @@ -422,10 +431,9 @@ EXC( lb t1, 0(src), l_exc) ADD dst, dst, 1 l_exc: LOAD t0, TI_TASK($28) - nop LOAD t0, THREAD_BUADDR(t0) # t0 is just past last good address - nop SUB len, AT, t0 # len number of uncopied bytes + bnez t7, 2f /* Skip the zeroing out part if inatomic */ /* * Here's where we rely on src and dst being incremented in tandem, * See (3) above. @@ -443,7 +451,7 @@ l_exc: ADD dst, dst, 1 bnez src, 1b SUB src, src, 1 - jr ra +2: jr ra nop diff --git a/arch/mips/cavium-octeon/octeon-platform.c b/arch/mips/cavium-octeon/octeon-platform.c index cd61d72..0938df1 100644 --- a/arch/mips/cavium-octeon/octeon-platform.c +++ b/arch/mips/cavium-octeon/octeon-platform.c @@ -3,7 +3,7 @@ * License. See the file "COPYING" in the main directory of this archive * for more details. * - * Copyright (C) 2004-2010 Cavium Networks + * Copyright (C) 2004-2011 Cavium Networks * Copyright (C) 2008 Wind River Systems */ @@ -13,10 +13,16 @@ #include <linux/usb.h> #include <linux/dma-mapping.h> #include <linux/module.h> +#include <linux/slab.h> #include <linux/platform_device.h> +#include <linux/of_platform.h> +#include <linux/of_fdt.h> +#include <linux/libfdt.h> #include <asm/octeon/octeon.h> #include <asm/octeon/cvmx-rnm-defs.h> +#include <asm/octeon/cvmx-helper.h> +#include <asm/octeon/cvmx-helper-board.h> static struct octeon_cf_data octeon_cf_data; @@ -162,182 +168,6 @@ out: } device_initcall(octeon_rng_device_init); -static struct i2c_board_info __initdata octeon_i2c_devices[] = { - { - I2C_BOARD_INFO("ds1337", 0x68), - }, -}; - -static int __init octeon_i2c_devices_init(void) -{ - return i2c_register_board_info(0, octeon_i2c_devices, - ARRAY_SIZE(octeon_i2c_devices)); -} -arch_initcall(octeon_i2c_devices_init); - -#define OCTEON_I2C_IO_BASE 0x1180000001000ull -#define OCTEON_I2C_IO_UNIT_OFFSET 0x200 - -static struct octeon_i2c_data octeon_i2c_data[2]; - -static int __init octeon_i2c_device_init(void) -{ - struct platform_device *pd; - int ret = 0; - int port, num_ports; - - struct resource i2c_resources[] = { - { - .flags = IORESOURCE_MEM, - }, { - .flags = IORESOURCE_IRQ, - } - }; - - if (OCTEON_IS_MODEL(OCTEON_CN56XX) || OCTEON_IS_MODEL(OCTEON_CN52XX)) - num_ports = 2; - else - num_ports = 1; - - for (port = 0; port < num_ports; port++) { - octeon_i2c_data[port].sys_freq = octeon_get_io_clock_rate(); - /*FIXME: should be examined. At the moment is set for 100Khz */ - octeon_i2c_data[port].i2c_freq = 100000; - - pd = platform_device_alloc("i2c-octeon", port); - if (!pd) { - ret = -ENOMEM; - goto out; - } - - pd->dev.platform_data = octeon_i2c_data + port; - - i2c_resources[0].start = - OCTEON_I2C_IO_BASE + (port * OCTEON_I2C_IO_UNIT_OFFSET); - i2c_resources[0].end = i2c_resources[0].start + 0x1f; - switch (port) { - case 0: - i2c_resources[1].start = OCTEON_IRQ_TWSI; - i2c_resources[1].end = OCTEON_IRQ_TWSI; - break; - case 1: - i2c_resources[1].start = OCTEON_IRQ_TWSI2; - i2c_resources[1].end = OCTEON_IRQ_TWSI2; - break; - default: - BUG(); - } - - ret = platform_device_add_resources(pd, - i2c_resources, - ARRAY_SIZE(i2c_resources)); - if (ret) - goto fail; - - ret = platform_device_add(pd); - if (ret) - goto fail; - } - return ret; -fail: - platform_device_put(pd); -out: - return ret; -} -device_initcall(octeon_i2c_device_init); - -/* Octeon SMI/MDIO interface. */ -static int __init octeon_mdiobus_device_init(void) -{ - struct platform_device *pd; - int ret = 0; - - if (octeon_is_simulation()) - return 0; /* No mdio in the simulator. */ - - /* The bus number is the platform_device id. */ - pd = platform_device_alloc("mdio-octeon", 0); - if (!pd) { - ret = -ENOMEM; - goto out; - } - - ret = platform_device_add(pd); - if (ret) - goto fail; - - return ret; -fail: - platform_device_put(pd); - -out: - return ret; - -} -device_initcall(octeon_mdiobus_device_init); - -/* Octeon mgmt port Ethernet interface. */ -static int __init octeon_mgmt_device_init(void) -{ - struct platform_device *pd; - int ret = 0; - int port, num_ports; - - struct resource mgmt_port_resource = { - .flags = IORESOURCE_IRQ, - .start = -1, - .end = -1 - }; - - if (!OCTEON_IS_MODEL(OCTEON_CN56XX) && !OCTEON_IS_MODEL(OCTEON_CN52XX)) - return 0; - - if (OCTEON_IS_MODEL(OCTEON_CN56XX)) - num_ports = 1; - else - num_ports = 2; - - for (port = 0; port < num_ports; port++) { - pd = platform_device_alloc("octeon_mgmt", port); - if (!pd) { - ret = -ENOMEM; - goto out; - } - /* No DMA restrictions */ - pd->dev.coherent_dma_mask = DMA_BIT_MASK(64); - pd->dev.dma_mask = &pd->dev.coherent_dma_mask; - - switch (port) { - case 0: - mgmt_port_resource.start = OCTEON_IRQ_MII0; - break; - case 1: - mgmt_port_resource.start = OCTEON_IRQ_MII1; - break; - default: - BUG(); - } - mgmt_port_resource.end = mgmt_port_resource.start; - - ret = platform_device_add_resources(pd, &mgmt_port_resource, 1); - - if (ret) - goto fail; - - ret = platform_device_add(pd); - if (ret) - goto fail; - } - return ret; -fail: - platform_device_put(pd); - -out: - return ret; - -} -device_initcall(octeon_mgmt_device_init); - #ifdef CONFIG_USB static int __init octeon_ehci_device_init(void) @@ -440,6 +270,521 @@ device_initcall(octeon_ohci_device_init); #endif /* CONFIG_USB */ +static struct of_device_id __initdata octeon_ids[] = { + { .compatible = "simple-bus", }, + { .compatible = "cavium,octeon-6335-uctl", }, + { .compatible = "cavium,octeon-3860-bootbus", }, + { .compatible = "cavium,mdio-mux", }, + { .compatible = "gpio-leds", }, + {}, +}; + +static bool __init octeon_has_88e1145(void) +{ + return !OCTEON_IS_MODEL(OCTEON_CN52XX) && + !OCTEON_IS_MODEL(OCTEON_CN6XXX) && + !OCTEON_IS_MODEL(OCTEON_CN56XX); +} + +static void __init octeon_fdt_set_phy(int eth, int phy_addr) +{ + const __be32 *phy_handle; + const __be32 *alt_phy_handle; + const __be32 *reg; + u32 phandle; + int phy; + int alt_phy; + const char *p; + int current_len; + char new_name[20]; + + phy_handle = fdt_getprop(initial_boot_params, eth, "phy-handle", NULL); + if (!phy_handle) + return; + + phandle = be32_to_cpup(phy_handle); + phy = fdt_node_offset_by_phandle(initial_boot_params, phandle); + + alt_phy_handle = fdt_getprop(initial_boot_params, eth, "cavium,alt-phy-handle", NULL); + if (alt_phy_handle) { + u32 alt_phandle = be32_to_cpup(alt_phy_handle); + alt_phy = fdt_node_offset_by_phandle(initial_boot_params, alt_phandle); + } else { + alt_phy = -1; + } + + if (phy_addr < 0 || phy < 0) { + /* Delete the PHY things */ + fdt_nop_property(initial_boot_params, eth, "phy-handle"); + /* This one may fail */ + fdt_nop_property(initial_boot_params, eth, "cavium,alt-phy-handle"); + if (phy >= 0) + fdt_nop_node(initial_boot_params, phy); + if (alt_phy >= 0) + fdt_nop_node(initial_boot_params, alt_phy); + return; + } + + if (phy_addr >= 256 && alt_phy > 0) { + const struct fdt_property *phy_prop; + struct fdt_property *alt_prop; + u32 phy_handle_name; + + /* Use the alt phy node instead.*/ + phy_prop = fdt_get_property(initial_boot_params, eth, "phy-handle", NULL); + phy_handle_name = phy_prop->nameoff; + fdt_nop_node(initial_boot_params, phy); + fdt_nop_property(initial_boot_params, eth, "phy-handle"); + alt_prop = fdt_get_property_w(initial_boot_params, eth, "cavium,alt-phy-handle", NULL); + alt_prop->nameoff = phy_handle_name; + phy = alt_phy; + } + + phy_addr &= 0xff; + + if (octeon_has_88e1145()) { + fdt_nop_property(initial_boot_params, phy, "marvell,reg-init"); + memset(new_name, 0, sizeof(new_name)); + strcpy(new_name, "marvell,88e1145"); + p = fdt_getprop(initial_boot_params, phy, "compatible", + ¤t_len); + if (p && current_len >= strlen(new_name)) + fdt_setprop_inplace(initial_boot_params, phy, + "compatible", new_name, current_len); + } + + reg = fdt_getprop(initial_boot_params, phy, "reg", NULL); + if (phy_addr == be32_to_cpup(reg)) + return; + + fdt_setprop_inplace_cell(initial_boot_params, phy, "reg", phy_addr); + + snprintf(new_name, sizeof(new_name), "ethernet-phy@%x", phy_addr); + + p = fdt_get_name(initial_boot_params, phy, ¤t_len); + if (p && current_len == strlen(new_name)) + fdt_set_name(initial_boot_params, phy, new_name); + else + pr_err("Error: could not rename ethernet phy: <%s>", p); +} + +static void __init octeon_fdt_set_mac_addr(int n, u64 *pmac) +{ + u8 new_mac[6]; + u64 mac = *pmac; + int r; + + new_mac[0] = (mac >> 40) & 0xff; + new_mac[1] = (mac >> 32) & 0xff; + new_mac[2] = (mac >> 24) & 0xff; + new_mac[3] = (mac >> 16) & 0xff; + new_mac[4] = (mac >> 8) & 0xff; + new_mac[5] = mac & 0xff; + + r = fdt_setprop_inplace(initial_boot_params, n, "local-mac-address", + new_mac, sizeof(new_mac)); + + if (r) { + pr_err("Setting \"local-mac-address\" failed %d", r); + return; + } + *pmac = mac + 1; +} + +static void __init octeon_fdt_rm_ethernet(int node) +{ + const __be32 *phy_handle; + + phy_handle = fdt_getprop(initial_boot_params, node, "phy-handle", NULL); + if (phy_handle) { + u32 ph = be32_to_cpup(phy_handle); + int p = fdt_node_offset_by_phandle(initial_boot_params, ph); + if (p >= 0) + fdt_nop_node(initial_boot_params, p); + } + fdt_nop_node(initial_boot_params, node); +} + +static void __init octeon_fdt_pip_port(int iface, int i, int p, int max, u64 *pmac) +{ + char name_buffer[20]; + int eth; + int phy_addr; + int ipd_port; + + snprintf(name_buffer, sizeof(name_buffer), "ethernet@%x", p); + eth = fdt_subnode_offset(initial_boot_params, iface, name_buffer); + if (eth < 0) + return; + if (p > max) { + pr_debug("Deleting port %x:%x\n", i, p); + octeon_fdt_rm_ethernet(eth); + return; + } + if (OCTEON_IS_MODEL(OCTEON_CN68XX)) + ipd_port = (0x100 * i) + (0x10 * p) + 0x800; + else + ipd_port = 16 * i + p; + + phy_addr = cvmx_helper_board_get_mii_address(ipd_port); + octeon_fdt_set_phy(eth, phy_addr); + octeon_fdt_set_mac_addr(eth, pmac); +} + +static void __init octeon_fdt_pip_iface(int pip, int idx, u64 *pmac) +{ + char name_buffer[20]; + int iface; + int p; + int count; + + count = cvmx_helper_interface_enumerate(idx); + + snprintf(name_buffer, sizeof(name_buffer), "interface@%d", idx); + iface = fdt_subnode_offset(initial_boot_params, pip, name_buffer); + if (iface < 0) + return; + + for (p = 0; p < 16; p++) + octeon_fdt_pip_port(iface, idx, p, count - 1, pmac); +} + +int __init octeon_prune_device_tree(void) +{ + int i, max_port, uart_mask; + const char *pip_path; + const char *alias_prop; + char name_buffer[20]; + int aliases; + u64 mac_addr_base; + + if (fdt_check_header(initial_boot_params)) + panic("Corrupt Device Tree."); + + aliases = fdt_path_offset(initial_boot_params, "/aliases"); + if (aliases < 0) { + pr_err("Error: No /aliases node in device tree."); + return -EINVAL; + } + + + mac_addr_base = + ((octeon_bootinfo->mac_addr_base[0] & 0xffull)) << 40 | + ((octeon_bootinfo->mac_addr_base[1] & 0xffull)) << 32 | + ((octeon_bootinfo->mac_addr_base[2] & 0xffull)) << 24 | + ((octeon_bootinfo->mac_addr_base[3] & 0xffull)) << 16 | + ((octeon_bootinfo->mac_addr_base[4] & 0xffull)) << 8 | + (octeon_bootinfo->mac_addr_base[5] & 0xffull); + + if (OCTEON_IS_MODEL(OCTEON_CN52XX) || OCTEON_IS_MODEL(OCTEON_CN63XX)) + max_port = 2; + else if (OCTEON_IS_MODEL(OCTEON_CN56XX) || OCTEON_IS_MODEL(OCTEON_CN68XX)) + max_port = 1; + else + max_port = 0; + + if (octeon_bootinfo->board_type == CVMX_BOARD_TYPE_NIC10E) + max_port = 0; + + for (i = 0; i < 2; i++) { + int mgmt; + snprintf(name_buffer, sizeof(name_buffer), + "mix%d", i); + alias_prop = fdt_getprop(initial_boot_params, aliases, + name_buffer, NULL); + if (alias_prop) { + mgmt = fdt_path_offset(initial_boot_params, alias_prop); + if (mgmt < 0) + continue; + if (i >= max_port) { + pr_debug("Deleting mix%d\n", i); + octeon_fdt_rm_ethernet(mgmt); + fdt_nop_property(initial_boot_params, aliases, + name_buffer); + } else { + int phy_addr = cvmx_helper_board_get_mii_address(CVMX_HELPER_BOARD_MGMT_IPD_PORT + i); + octeon_fdt_set_phy(mgmt, phy_addr); + octeon_fdt_set_mac_addr(mgmt, &mac_addr_base); + } + } + } + + pip_path = fdt_getprop(initial_boot_params, aliases, "pip", NULL); + if (pip_path) { + int pip = fdt_path_offset(initial_boot_params, pip_path); + if (pip >= 0) + for (i = 0; i <= 4; i++) + octeon_fdt_pip_iface(pip, i, &mac_addr_base); + } + + /* I2C */ + if (OCTEON_IS_MODEL(OCTEON_CN52XX) || + OCTEON_IS_MODEL(OCTEON_CN63XX) || + OCTEON_IS_MODEL(OCTEON_CN68XX) || + OCTEON_IS_MODEL(OCTEON_CN56XX)) + max_port = 2; + else + max_port = 1; + + for (i = 0; i < 2; i++) { + int i2c; + snprintf(name_buffer, sizeof(name_buffer), + "twsi%d", i); + alias_prop = fdt_getprop(initial_boot_params, aliases, + name_buffer, NULL); + + if (alias_prop) { + i2c = fdt_path_offset(initial_boot_params, alias_prop); + if (i2c < 0) + continue; + if (i >= max_port) { + pr_debug("Deleting twsi%d\n", i); + fdt_nop_node(initial_boot_params, i2c); + fdt_nop_property(initial_boot_params, aliases, + name_buffer); + } + } + } + + /* SMI/MDIO */ + if (OCTEON_IS_MODEL(OCTEON_CN68XX)) + max_port = 4; + else if (OCTEON_IS_MODEL(OCTEON_CN52XX) || + OCTEON_IS_MODEL(OCTEON_CN63XX) || + OCTEON_IS_MODEL(OCTEON_CN56XX)) + max_port = 2; + else + max_port = 1; + + for (i = 0; i < 2; i++) { + int i2c; + snprintf(name_buffer, sizeof(name_buffer), + "smi%d", i); + alias_prop = fdt_getprop(initial_boot_params, aliases, + name_buffer, NULL); + + if (alias_prop) { + i2c = fdt_path_offset(initial_boot_params, alias_prop); + if (i2c < 0) + continue; + if (i >= max_port) { + pr_debug("Deleting smi%d\n", i); + fdt_nop_node(initial_boot_params, i2c); + fdt_nop_property(initial_boot_params, aliases, + name_buffer); + } + } + } + + /* Serial */ + uart_mask = 3; + + /* Right now CN52XX is the only chip with a third uart */ + if (OCTEON_IS_MODEL(OCTEON_CN52XX)) + uart_mask |= 4; /* uart2 */ + + for (i = 0; i < 3; i++) { + int uart; + snprintf(name_buffer, sizeof(name_buffer), + "uart%d", i); + alias_prop = fdt_getprop(initial_boot_params, aliases, + name_buffer, NULL); + + if (alias_prop) { + uart = fdt_path_offset(initial_boot_params, alias_prop); + if (uart_mask & (1 << i)) + continue; + pr_debug("Deleting uart%d\n", i); + fdt_nop_node(initial_boot_params, uart); + fdt_nop_property(initial_boot_params, aliases, + name_buffer); + } + } + + /* Compact Flash */ + alias_prop = fdt_getprop(initial_boot_params, aliases, + "cf0", NULL); + if (alias_prop) { + union cvmx_mio_boot_reg_cfgx mio_boot_reg_cfg; + unsigned long base_ptr, region_base, region_size; + unsigned long region1_base = 0; + unsigned long region1_size = 0; + int cs, bootbus; + bool is_16bit = false; + bool is_true_ide = false; + __be32 new_reg[6]; + __be32 *ranges; + int len; + + int cf = fdt_path_offset(initial_boot_params, alias_prop); + base_ptr = 0; + if (octeon_bootinfo->major_version == 1 + && octeon_bootinfo->minor_version >= 1) { + if (octeon_bootinfo->compact_flash_common_base_addr) + base_ptr = octeon_bootinfo->compact_flash_common_base_addr; + } else { + base_ptr = 0x1d000800; + } + + if (!base_ptr) + goto no_cf; + + /* Find CS0 region. */ + for (cs = 0; cs < 8; cs++) { + mio_boot_reg_cfg.u64 = cvmx_read_csr(CVMX_MIO_BOOT_REG_CFGX(cs)); + region_base = mio_boot_reg_cfg.s.base << 16; + region_size = (mio_boot_reg_cfg.s.size + 1) << 16; + if (mio_boot_reg_cfg.s.en && base_ptr >= region_base + && base_ptr < region_base + region_size) { + is_16bit = mio_boot_reg_cfg.s.width; + break; + } + } + if (cs >= 7) { + /* cs and cs + 1 are CS0 and CS1, both must be less than 8. */ + goto no_cf; + } + + if (!(base_ptr & 0xfffful)) { + /* + * Boot loader signals availability of DMA (true_ide + * mode) by setting low order bits of base_ptr to + * zero. + */ + + /* Asume that CS1 immediately follows. */ + mio_boot_reg_cfg.u64 = + cvmx_read_csr(CVMX_MIO_BOOT_REG_CFGX(cs + 1)); + region1_base = mio_boot_reg_cfg.s.base << 16; + region1_size = (mio_boot_reg_cfg.s.size + 1) << 16; + if (!mio_boot_reg_cfg.s.en) + goto no_cf; + is_true_ide = true; + + } else { + fdt_nop_property(initial_boot_params, cf, "cavium,true-ide"); + fdt_nop_property(initial_boot_params, cf, "cavium,dma-engine-handle"); + if (!is_16bit) { + __be32 width = cpu_to_be32(8); + fdt_setprop_inplace(initial_boot_params, cf, + "cavium,bus-width", &width, sizeof(width)); + } + } + new_reg[0] = cpu_to_be32(cs); + new_reg[1] = cpu_to_be32(0); + new_reg[2] = cpu_to_be32(0x10000); + new_reg[3] = cpu_to_be32(cs + 1); + new_reg[4] = cpu_to_be32(0); + new_reg[5] = cpu_to_be32(0x10000); + fdt_setprop_inplace(initial_boot_params, cf, + "reg", new_reg, sizeof(new_reg)); + + bootbus = fdt_parent_offset(initial_boot_params, cf); + if (bootbus < 0) + goto no_cf; + ranges = fdt_getprop_w(initial_boot_params, bootbus, "ranges", &len); + if (!ranges || len < (5 * 8 * sizeof(__be32))) + goto no_cf; + + ranges[(cs * 5) + 2] = cpu_to_be32(region_base >> 32); + ranges[(cs * 5) + 3] = cpu_to_be32(region_base & 0xffffffff); + ranges[(cs * 5) + 4] = cpu_to_be32(region_size); + if (is_true_ide) { + cs++; + ranges[(cs * 5) + 2] = cpu_to_be32(region1_base >> 32); + ranges[(cs * 5) + 3] = cpu_to_be32(region1_base & 0xffffffff); + ranges[(cs * 5) + 4] = cpu_to_be32(region1_size); + } + goto end_cf; +no_cf: + fdt_nop_node(initial_boot_params, cf); + +end_cf: + ; + } + + /* 8 char LED */ + alias_prop = fdt_getprop(initial_boot_params, aliases, + "led0", NULL); + if (alias_prop) { + union cvmx_mio_boot_reg_cfgx mio_boot_reg_cfg; + unsigned long base_ptr, region_base, region_size; + int cs, bootbus; + __be32 new_reg[6]; + __be32 *ranges; + int len; + int led = fdt_path_offset(initial_boot_params, alias_prop); + + base_ptr = octeon_bootinfo->led_display_base_addr; + if (base_ptr == 0) + goto no_led; + /* Find CS0 region. */ + for (cs = 0; cs < 8; cs++) { + mio_boot_reg_cfg.u64 = cvmx_read_csr(CVMX_MIO_BOOT_REG_CFGX(cs)); + region_base = mio_boot_reg_cfg.s.base << 16; + region_size = (mio_boot_reg_cfg.s.size + 1) << 16; + if (mio_boot_reg_cfg.s.en && base_ptr >= region_base + && base_ptr < region_base + region_size) + break; + } + + if (cs > 7) + goto no_led; + + new_reg[0] = cpu_to_be32(cs); + new_reg[1] = cpu_to_be32(0x20); + new_reg[2] = cpu_to_be32(0x20); + new_reg[3] = cpu_to_be32(cs); + new_reg[4] = cpu_to_be32(0); + new_reg[5] = cpu_to_be32(0x20); + fdt_setprop_inplace(initial_boot_params, led, + "reg", new_reg, sizeof(new_reg)); + + bootbus = fdt_parent_offset(initial_boot_params, led); + if (bootbus < 0) + goto no_led; + ranges = fdt_getprop_w(initial_boot_params, bootbus, "ranges", &len); + if (!ranges || len < (5 * 8 * sizeof(__be32))) + goto no_led; + + ranges[(cs * 5) + 2] = cpu_to_be32(region_base >> 32); + ranges[(cs * 5) + 3] = cpu_to_be32(region_base & 0xffffffff); + ranges[(cs * 5) + 4] = cpu_to_be32(region_size); + goto end_led; + +no_led: + fdt_nop_node(initial_boot_params, led); +end_led: + ; + } + + /* OHCI/UHCI USB */ + alias_prop = fdt_getprop(initial_boot_params, aliases, + "uctl", NULL); + if (alias_prop) { + int uctl = fdt_path_offset(initial_boot_params, alias_prop); + + if (uctl >= 0 && (!OCTEON_IS_MODEL(OCTEON_CN6XXX) || + octeon_bootinfo->board_type == CVMX_BOARD_TYPE_NIC2E)) { + pr_debug("Deleting uctl\n"); + fdt_nop_node(initial_boot_params, uctl); + fdt_nop_property(initial_boot_params, aliases, "uctl"); + } else if (octeon_bootinfo->board_type == CVMX_BOARD_TYPE_NIC10E || + octeon_bootinfo->board_type == CVMX_BOARD_TYPE_NIC4E) { + /* Missing "refclk-type" defaults to crystal. */ + fdt_nop_property(initial_boot_params, uctl, "refclk-type"); + } + } + + return 0; +} + +static int __init octeon_publish_devices(void) +{ + return of_platform_bus_probe(NULL, octeon_ids, NULL); +} +device_initcall(octeon_publish_devices); + MODULE_AUTHOR("David Daney <ddaney@caviumnetworks.com>"); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("Platform driver for Octeon SOC"); diff --git a/arch/mips/cavium-octeon/octeon_3xxx.dts b/arch/mips/cavium-octeon/octeon_3xxx.dts new file mode 100644 index 0000000..f28b2d0 --- /dev/null +++ b/arch/mips/cavium-octeon/octeon_3xxx.dts @@ -0,0 +1,571 @@ +/dts-v1/; +/* + * OCTEON 3XXX, 5XXX, 63XX device tree skeleton. + * + * This device tree is pruned and patched by early boot code before + * use. Because of this, it contains a super-set of the available + * devices and properties. + */ +/ { + compatible = "cavium,octeon-3860"; + #address-cells = <2>; + #size-cells = <2>; + interrupt-parent = <&ciu>; + + soc@0 { + compatible = "simple-bus"; + #address-cells = <2>; + #size-cells = <2>; + ranges; /* Direct mapping */ + + ciu: interrupt-controller@1070000000000 { + compatible = "cavium,octeon-3860-ciu"; + interrupt-controller; + /* Interrupts are specified by two parts: + * 1) Controller register (0 or 1) + * 2) Bit within the register (0..63) + */ + #interrupt-cells = <2>; + reg = <0x10700 0x00000000 0x0 0x7000>; + }; + + gpio: gpio-controller@1070000000800 { + #gpio-cells = <2>; + compatible = "cavium,octeon-3860-gpio"; + reg = <0x10700 0x00000800 0x0 0x100>; + gpio-controller; + /* Interrupts are specified by two parts: + * 1) GPIO pin number (0..15) + * 2) Triggering (1 - edge rising + * 2 - edge falling + * 4 - level active high + * 8 - level active low) + */ + interrupt-controller; + #interrupt-cells = <2>; + /* The GPIO pin connect to 16 consecutive CUI bits */ + interrupts = <0 16>, <0 17>, <0 18>, <0 19>, + <0 20>, <0 21>, <0 22>, <0 23>, + <0 24>, <0 25>, <0 26>, <0 27>, + <0 28>, <0 29>, <0 30>, <0 31>; + }; + + smi0: mdio@1180000001800 { + compatible = "cavium,octeon-3860-mdio"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0x11800 0x00001800 0x0 0x40>; + + phy0: ethernet-phy@0 { + compatible = "marvell,88e1118"; + marvell,reg-init = + /* Fix rx and tx clock transition timing */ + <2 0x15 0xffcf 0>, /* Reg 2,21 Clear bits 4, 5 */ + /* Adjust LED drive. */ + <3 0x11 0 0x442a>, /* Reg 3,17 <- 0442a */ + /* irq, blink-activity, blink-link */ + <3 0x10 0 0x0242>; /* Reg 3,16 <- 0x0242 */ + reg = <0>; + }; + + phy1: ethernet-phy@1 { + compatible = "marvell,88e1118"; + marvell,reg-init = + /* Fix rx and tx clock transition timing */ + <2 0x15 0xffcf 0>, /* Reg 2,21 Clear bits 4, 5 */ + /* Adjust LED drive. */ + <3 0x11 0 0x442a>, /* Reg 3,17 <- 0442a */ + /* irq, blink-activity, blink-link */ + <3 0x10 0 0x0242>; /* Reg 3,16 <- 0x0242 */ + reg = <1>; + }; + + phy2: ethernet-phy@2 { + reg = <2>; + compatible = "marvell,88e1149r"; + marvell,reg-init = <3 0x10 0 0x5777>, + <3 0x11 0 0x00aa>, + <3 0x12 0 0x4105>, + <3 0x13 0 0x0a60>; + }; + phy3: ethernet-phy@3 { + reg = <3>; + compatible = "marvell,88e1149r"; + marvell,reg-init = <3 0x10 0 0x5777>, + <3 0x11 0 0x00aa>, + <3 0x12 0 0x4105>, + <3 0x13 0 0x0a60>; + }; + phy4: ethernet-phy@4 { + reg = <4>; + compatible = "marvell,88e1149r"; + marvell,reg-init = <3 0x10 0 0x5777>, + <3 0x11 0 0x00aa>, + <3 0x12 0 0x4105>, + <3 0x13 0 0x0a60>; + }; + phy5: ethernet-phy@5 { + reg = <5>; + compatible = "marvell,88e1149r"; + marvell,reg-init = <3 0x10 0 0x5777>, + <3 0x11 0 0x00aa>, + <3 0x12 0 0x4105>, + <3 0x13 0 0x0a60>; + }; + + phy6: ethernet-phy@6 { + reg = <6>; + compatible = "marvell,88e1149r"; + marvell,reg-init = <3 0x10 0 0x5777>, + <3 0x11 0 0x00aa>, + <3 0x12 0 0x4105>, + <3 0x13 0 0x0a60>; + }; + phy7: ethernet-phy@7 { + reg = <7>; + compatible = "marvell,88e1149r"; + marvell,reg-init = <3 0x10 0 0x5777>, + <3 0x11 0 0x00aa>, + <3 0x12 0 0x4105>, + <3 0x13 0 0x0a60>; + }; + phy8: ethernet-phy@8 { + reg = <8>; + compatible = "marvell,88e1149r"; + marvell,reg-init = <3 0x10 0 0x5777>, + <3 0x11 0 0x00aa>, + <3 0x12 0 0x4105>, + <3 0x13 0 0x0a60>; + }; + phy9: ethernet-phy@9 { + reg = <9>; + compatible = "marvell,88e1149r"; + marvell,reg-init = <3 0x10 0 0x5777>, + <3 0x11 0 0x00aa>, + <3 0x12 0 0x4105>, + <3 0x13 0 0x0a60>; + }; + }; + + smi1: mdio@1180000001900 { + compatible = "cavium,octeon-3860-mdio"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0x11800 0x00001900 0x0 0x40>; + + phy100: ethernet-phy@1 { + reg = <1>; + compatible = "marvell,88e1149r"; + marvell,reg-init = <3 0x10 0 0x5777>, + <3 0x11 0 0x00aa>, + <3 0x12 0 0x4105>, + <3 0x13 0 0x0a60>; + interrupt-parent = <&gpio>; + interrupts = <12 8>; /* Pin 12, active low */ + }; + phy101: ethernet-phy@2 { + reg = <2>; + compatible = "marvell,88e1149r"; + marvell,reg-init = <3 0x10 0 0x5777>, + <3 0x11 0 0x00aa>, + <3 0x12 0 0x4105>, + <3 0x13 0 0x0a60>; + interrupt-parent = <&gpio>; + interrupts = <12 8>; /* Pin 12, active low */ + }; + phy102: ethernet-phy@3 { + reg = <3>; + compatible = "marvell,88e1149r"; + marvell,reg-init = <3 0x10 0 0x5777>, + <3 0x11 0 0x00aa>, + <3 0x12 0 0x4105>, + <3 0x13 0 0x0a60>; + interrupt-parent = <&gpio>; + interrupts = <12 8>; /* Pin 12, active low */ + }; + phy103: ethernet-phy@4 { + reg = <4>; + compatible = "marvell,88e1149r"; + marvell,reg-init = <3 0x10 0 0x5777>, + <3 0x11 0 0x00aa>, + <3 0x12 0 0x4105>, + <3 0x13 0 0x0a60>; + interrupt-parent = <&gpio>; + interrupts = <12 8>; /* Pin 12, active low */ + }; + }; + + mix0: ethernet@1070000100000 { + compatible = "cavium,octeon-5750-mix"; + reg = <0x10700 0x00100000 0x0 0x100>, /* MIX */ + <0x11800 0xE0000000 0x0 0x300>, /* AGL */ + <0x11800 0xE0000400 0x0 0x400>, /* AGL_SHARED */ + <0x11800 0xE0002000 0x0 0x8>; /* AGL_PRT_CTL */ + cell-index = <0>; + interrupts = <0 62>, <1 46>; + local-mac-address = [ 00 00 00 00 00 00 ]; + phy-handle = <&phy0>; + }; + + mix1: ethernet@1070000100800 { + compatible = "cavium,octeon-5750-mix"; + reg = <0x10700 0x00100800 0x0 0x100>, /* MIX */ + <0x11800 0xE0000800 0x0 0x300>, /* AGL */ + <0x11800 0xE0000400 0x0 0x400>, /* AGL_SHARED */ + <0x11800 0xE0002008 0x0 0x8>; /* AGL_PRT_CTL */ + cell-index = <1>; + interrupts = <1 18>, < 1 46>; + local-mac-address = [ 00 00 00 00 00 00 ]; + phy-handle = <&phy1>; + }; + + pip: pip@11800a0000000 { + compatible = "cavium,octeon-3860-pip"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0x11800 0xa0000000 0x0 0x2000>; + + interface@0 { + compatible = "cavium,octeon-3860-pip-interface"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0>; /* interface */ + + ethernet@0 { + compatible = "cavium,octeon-3860-pip-port"; + reg = <0x0>; /* Port */ + local-mac-address = [ 00 00 00 00 00 00 ]; + phy-handle = <&phy2>; + cavium,alt-phy-handle = <&phy100>; + }; + ethernet@1 { + compatible = "cavium,octeon-3860-pip-port"; + reg = <0x1>; /* Port */ + local-mac-address = [ 00 00 00 00 00 00 ]; + phy-handle = <&phy3>; + cavium,alt-phy-handle = <&phy101>; + }; + ethernet@2 { + compatible = "cavium,octeon-3860-pip-port"; + reg = <0x2>; /* Port */ + local-mac-address = [ 00 00 00 00 00 00 ]; + phy-handle = <&phy4>; + cavium,alt-phy-handle = <&phy102>; + }; + ethernet@3 { + compatible = "cavium,octeon-3860-pip-port"; + reg = <0x3>; /* Port */ + local-mac-address = [ 00 00 00 00 00 00 ]; + phy-handle = <&phy5>; + cavium,alt-phy-handle = <&phy103>; + }; + ethernet@4 { + compatible = "cavium,octeon-3860-pip-port"; + reg = <0x4>; /* Port */ + local-mac-address = [ 00 00 00 00 00 00 ]; + }; + ethernet@5 { + compatible = "cavium,octeon-3860-pip-port"; + reg = <0x5>; /* Port */ + local-mac-address = [ 00 00 00 00 00 00 ]; + }; + ethernet@6 { + compatible = "cavium,octeon-3860-pip-port"; + reg = <0x6>; /* Port */ + local-mac-address = [ 00 00 00 00 00 00 ]; + }; + ethernet@7 { + compatible = "cavium,octeon-3860-pip-port"; + reg = <0x7>; /* Port */ + local-mac-address = [ 00 00 00 00 00 00 ]; + }; + ethernet@8 { + compatible = "cavium,octeon-3860-pip-port"; + reg = <0x8>; /* Port */ + local-mac-address = [ 00 00 00 00 00 00 ]; + }; + ethernet@9 { + compatible = "cavium,octeon-3860-pip-port"; + reg = <0x9>; /* Port */ + local-mac-address = [ 00 00 00 00 00 00 ]; + }; + ethernet@a { + compatible = "cavium,octeon-3860-pip-port"; + reg = <0xa>; /* Port */ + local-mac-address = [ 00 00 00 00 00 00 ]; + }; + ethernet@b { + compatible = "cavium,octeon-3860-pip-port"; + reg = <0xb>; /* Port */ + local-mac-address = [ 00 00 00 00 00 00 ]; + }; + ethernet@c { + compatible = "cavium,octeon-3860-pip-port"; + reg = <0xc>; /* Port */ + local-mac-address = [ 00 00 00 00 00 00 ]; + }; + ethernet@d { + compatible = "cavium,octeon-3860-pip-port"; + reg = <0xd>; /* Port */ + local-mac-address = [ 00 00 00 00 00 00 ]; + }; + ethernet@e { + compatible = "cavium,octeon-3860-pip-port"; + reg = <0xe>; /* Port */ + local-mac-address = [ 00 00 00 00 00 00 ]; + }; + ethernet@f { + compatible = "cavium,octeon-3860-pip-port"; + reg = <0xf>; /* Port */ + local-mac-address = [ 00 00 00 00 00 00 ]; + }; + }; + + interface@1 { + compatible = "cavium,octeon-3860-pip-interface"; + #address-cells = <1>; + #size-cells = <0>; + reg = <1>; /* interface */ + + ethernet@0 { + compatible = "cavium,octeon-3860-pip-port"; + reg = <0x0>; /* Port */ + local-mac-address = [ 00 00 00 00 00 00 ]; + phy-handle = <&phy6>; + }; + ethernet@1 { + compatible = "cavium,octeon-3860-pip-port"; + reg = <0x1>; /* Port */ + local-mac-address = [ 00 00 00 00 00 00 ]; + phy-handle = <&phy7>; + }; + ethernet@2 { + compatible = "cavium,octeon-3860-pip-port"; + reg = <0x2>; /* Port */ + local-mac-address = [ 00 00 00 00 00 00 ]; + phy-handle = <&phy8>; + }; + ethernet@3 { + compatible = "cavium,octeon-3860-pip-port"; + reg = <0x3>; /* Port */ + local-mac-address = [ 00 00 00 00 00 00 ]; + phy-handle = <&phy9>; + }; + }; + }; + + twsi0: i2c@1180000001000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "cavium,octeon-3860-twsi"; + reg = <0x11800 0x00001000 0x0 0x200>; + interrupts = <0 45>; + clock-frequency = <100000>; + + rtc@68 { + compatible = "dallas,ds1337"; + reg = <0x68>; + }; + tmp@4c { + compatible = "ti,tmp421"; + reg = <0x4c>; + }; + }; + + twsi1: i2c@1180000001200 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "cavium,octeon-3860-twsi"; + reg = <0x11800 0x00001200 0x0 0x200>; + interrupts = <0 59>; + clock-frequency = <100000>; + }; + + uart0: serial@1180000000800 { + compatible = "cavium,octeon-3860-uart","ns16550"; + reg = <0x11800 0x00000800 0x0 0x400>; + clock-frequency = <0>; + current-speed = <115200>; + reg-shift = <3>; + interrupts = <0 34>; + }; + + uart1: serial@1180000000c00 { + compatible = "cavium,octeon-3860-uart","ns16550"; + reg = <0x11800 0x00000c00 0x0 0x400>; + clock-frequency = <0>; + current-speed = <115200>; + reg-shift = <3>; + interrupts = <0 35>; + }; + + uart2: serial@1180000000400 { + compatible = "cavium,octeon-3860-uart","ns16550"; + reg = <0x11800 0x00000400 0x0 0x400>; + clock-frequency = <0>; + current-speed = <115200>; + reg-shift = <3>; + interrupts = <1 16>; + }; + + bootbus: bootbus@1180000000000 { + compatible = "cavium,octeon-3860-bootbus"; + reg = <0x11800 0x00000000 0x0 0x200>; + /* The chip select number and offset */ + #address-cells = <2>; + /* The size of the chip select region */ + #size-cells = <1>; + ranges = <0 0 0x0 0x1f400000 0xc00000>, + <1 0 0x10000 0x30000000 0>, + <2 0 0x10000 0x40000000 0>, + <3 0 0x10000 0x50000000 0>, + <4 0 0x0 0x1d020000 0x10000>, + <5 0 0x0 0x1d040000 0x10000>, + <6 0 0x0 0x1d050000 0x10000>, + <7 0 0x10000 0x90000000 0>; + + cavium,cs-config@0 { + compatible = "cavium,octeon-3860-bootbus-config"; + cavium,cs-index = <0>; + cavium,t-adr = <20>; + cavium,t-ce = <60>; + cavium,t-oe = <60>; + cavium,t-we = <45>; + cavium,t-rd-hld = <35>; + cavium,t-wr-hld = <45>; + cavium,t-pause = <0>; + cavium,t-wait = <0>; + cavium,t-page = <35>; + cavium,t-rd-dly = <0>; + + cavium,pages = <0>; + cavium,bus-width = <8>; + }; + cavium,cs-config@4 { + compatible = "cavium,octeon-3860-bootbus-config"; + cavium,cs-index = <4>; + cavium,t-adr = <320>; + cavium,t-ce = <320>; + cavium,t-oe = <320>; + cavium,t-we = <320>; + cavium,t-rd-hld = <320>; + cavium,t-wr-hld = <320>; + cavium,t-pause = <320>; + cavium,t-wait = <320>; + cavium,t-page = <320>; + cavium,t-rd-dly = <0>; + + cavium,pages = <0>; + cavium,bus-width = <8>; + }; + cavium,cs-config@5 { + compatible = "cavium,octeon-3860-bootbus-config"; + cavium,cs-index = <5>; + cavium,t-adr = <5>; + cavium,t-ce = <300>; + cavium,t-oe = <125>; + cavium,t-we = <150>; + cavium,t-rd-hld = <100>; + cavium,t-wr-hld = <30>; + cavium,t-pause = <0>; + cavium,t-wait = <30>; + cavium,t-page = <320>; + cavium,t-rd-dly = <0>; + + cavium,pages = <0>; + cavium,bus-width = <16>; + }; + cavium,cs-config@6 { + compatible = "cavium,octeon-3860-bootbus-config"; + cavium,cs-index = <6>; + cavium,t-adr = <5>; + cavium,t-ce = <300>; + cavium,t-oe = <270>; + cavium,t-we = <150>; + cavium,t-rd-hld = <100>; + cavium,t-wr-hld = <70>; + cavium,t-pause = <0>; + cavium,t-wait = <0>; + cavium,t-page = <320>; + cavium,t-rd-dly = <0>; + + cavium,pages = <0>; + cavium,wait-mode; + cavium,bus-width = <16>; + }; + + flash0: nor@0,0 { + compatible = "cfi-flash"; + reg = <0 0 0x800000>; + #address-cells = <1>; + #size-cells = <1>; + }; + + led0: led-display@4,0 { + compatible = "avago,hdsp-253x"; + reg = <4 0x20 0x20>, <4 0 0x20>; + }; + + cf0: compact-flash@5,0 { + compatible = "cavium,ebt3000-compact-flash"; + reg = <5 0 0x10000>, <6 0 0x10000>; + cavium,bus-width = <16>; + cavium,true-ide; + cavium,dma-engine-handle = <&dma0>; + }; + }; + + dma0: dma-engine@1180000000100 { + compatible = "cavium,octeon-5750-bootbus-dma"; + reg = <0x11800 0x00000100 0x0 0x8>; + interrupts = <0 63>; + }; + dma1: dma-engine@1180000000108 { + compatible = "cavium,octeon-5750-bootbus-dma"; + reg = <0x11800 0x00000108 0x0 0x8>; + interrupts = <0 63>; + }; + + uctl: uctl@118006f000000 { + compatible = "cavium,octeon-6335-uctl"; + reg = <0x11800 0x6f000000 0x0 0x100>; + ranges; /* Direct mapping */ + #address-cells = <2>; + #size-cells = <2>; + /* 12MHz, 24MHz and 48MHz allowed */ + refclk-frequency = <12000000>; + /* Either "crystal" or "external" */ + refclk-type = "crystal"; + + ehci@16f0000000000 { + compatible = "cavium,octeon-6335-ehci","usb-ehci"; + reg = <0x16f00 0x00000000 0x0 0x100>; + interrupts = <0 56>; + big-endian-regs; + }; + ohci@16f0000000400 { + compatible = "cavium,octeon-6335-ohci","usb-ohci"; + reg = <0x16f00 0x00000400 0x0 0x100>; + interrupts = <0 56>; + big-endian-regs; + }; + }; + }; + + aliases { + mix0 = &mix0; + mix1 = &mix1; + pip = &pip; + smi0 = &smi0; + smi1 = &smi1; + twsi0 = &twsi0; + twsi1 = &twsi1; + uart0 = &uart0; + uart1 = &uart1; + uart2 = &uart2; + flash0 = &flash0; + cf0 = &cf0; + uctl = &uctl; + led0 = &led0; + }; + }; diff --git a/arch/mips/cavium-octeon/octeon_68xx.dts b/arch/mips/cavium-octeon/octeon_68xx.dts new file mode 100644 index 0000000..18394689 --- /dev/null +++ b/arch/mips/cavium-octeon/octeon_68xx.dts @@ -0,0 +1,625 @@ +/dts-v1/; +/* + * OCTEON 68XX device tree skeleton. + * + * This device tree is pruned and patched by early boot code before + * use. Because of this, it contains a super-set of the available + * devices and properties. + */ +/ { + compatible = "cavium,octeon-6880"; + #address-cells = <2>; + #size-cells = <2>; + interrupt-parent = <&ciu2>; + + soc@0 { + compatible = "simple-bus"; + #address-cells = <2>; + #size-cells = <2>; + ranges; /* Direct mapping */ + + ciu2: interrupt-controller@1070100000000 { + compatible = "cavium,octeon-6880-ciu2"; + interrupt-controller; + /* Interrupts are specified by two parts: + * 1) Controller register (0 or 7) + * 2) Bit within the register (0..63) + */ + #address-cells = <0>; + #interrupt-cells = <2>; + reg = <0x10701 0x00000000 0x0 0x4000000>; + }; + + gpio: gpio-controller@1070000000800 { + #gpio-cells = <2>; + compatible = "cavium,octeon-3860-gpio"; + reg = <0x10700 0x00000800 0x0 0x100>; + gpio-controller; + /* Interrupts are specified by two parts: + * 1) GPIO pin number (0..15) + * 2) Triggering (1 - edge rising + * 2 - edge falling + * 4 - level active high + * 8 - level active low) + */ + interrupt-controller; + #interrupt-cells = <2>; + /* The GPIO pins connect to 16 consecutive CUI bits */ + interrupts = <7 0>, <7 1>, <7 2>, <7 3>, + <7 4>, <7 5>, <7 6>, <7 7>, + <7 8>, <7 9>, <7 10>, <7 11>, + <7 12>, <7 13>, <7 14>, <7 15>; + }; + + smi0: mdio@1180000003800 { + compatible = "cavium,octeon-3860-mdio"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0x11800 0x00003800 0x0 0x40>; + + phy0: ethernet-phy@6 { + compatible = "marvell,88e1118"; + marvell,reg-init = + /* Fix rx and tx clock transition timing */ + <2 0x15 0xffcf 0>, /* Reg 2,21 Clear bits 4, 5 */ + /* Adjust LED drive. */ + <3 0x11 0 0x442a>, /* Reg 3,17 <- 0442a */ + /* irq, blink-activity, blink-link */ + <3 0x10 0 0x0242>; /* Reg 3,16 <- 0x0242 */ + reg = <6>; + }; + + phy1: ethernet-phy@1 { + cavium,qlm-trim = "4,sgmii"; + reg = <1>; + compatible = "marvell,88e1149r"; + marvell,reg-init = <3 0x10 0 0x5777>, + <3 0x11 0 0x00aa>, + <3 0x12 0 0x4105>, + <3 0x13 0 0x0a60>; + }; + phy2: ethernet-phy@2 { + cavium,qlm-trim = "4,sgmii"; + reg = <2>; + compatible = "marvell,88e1149r"; + marvell,reg-init = <3 0x10 0 0x5777>, + <3 0x11 0 0x00aa>, + <3 0x12 0 0x4105>, + <3 0x13 0 0x0a60>; + }; + phy3: ethernet-phy@3 { + cavium,qlm-trim = "4,sgmii"; + reg = <3>; + compatible = "marvell,88e1149r"; + marvell,reg-init = <3 0x10 0 0x5777>, + <3 0x11 0 0x00aa>, + <3 0x12 0 0x4105>, + <3 0x13 0 0x0a60>; + }; + phy4: ethernet-phy@4 { + cavium,qlm-trim = "4,sgmii"; + reg = <4>; + compatible = "marvell,88e1149r"; + marvell,reg-init = <3 0x10 0 0x5777>, + <3 0x11 0 0x00aa>, + <3 0x12 0 0x4105>, + <3 0x13 0 0x0a60>; + }; + }; + + smi1: mdio@1180000003880 { + compatible = "cavium,octeon-3860-mdio"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0x11800 0x00003880 0x0 0x40>; + + phy41: ethernet-phy@1 { + cavium,qlm-trim = "0,sgmii"; + reg = <1>; + compatible = "marvell,88e1149r"; + marvell,reg-init = <3 0x10 0 0x5777>, + <3 0x11 0 0x00aa>, + <3 0x12 0 0x4105>, + <3 0x13 0 0x0a60>; + }; + phy42: ethernet-phy@2 { + cavium,qlm-trim = "0,sgmii"; + reg = <2>; + compatible = "marvell,88e1149r"; + marvell,reg-init = <3 0x10 0 0x5777>, + <3 0x11 0 0x00aa>, + <3 0x12 0 0x4105>, + <3 0x13 0 0x0a60>; + }; + phy43: ethernet-phy@3 { + cavium,qlm-trim = "0,sgmii"; + reg = <3>; + compatible = "marvell,88e1149r"; + marvell,reg-init = <3 0x10 0 0x5777>, + <3 0x11 0 0x00aa>, + <3 0x12 0 0x4105>, + <3 0x13 0 0x0a60>; + }; + phy44: ethernet-phy@4 { + cavium,qlm-trim = "0,sgmii"; + reg = <4>; + compatible = "marvell,88e1149r"; + marvell,reg-init = <3 0x10 0 0x5777>, + <3 0x11 0 0x00aa>, + <3 0x12 0 0x4105>, + <3 0x13 0 0x0a60>; + }; + }; + + smi2: mdio@1180000003900 { + compatible = "cavium,octeon-3860-mdio"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0x11800 0x00003900 0x0 0x40>; + + phy21: ethernet-phy@1 { + cavium,qlm-trim = "2,sgmii"; + reg = <1>; + compatible = "marvell,88e1149r"; + marvell,reg-init = <3 0x10 0 0x5777>, + <3 0x11 0 0x00aa>, + <3 0x12 0 0x4105>, + <3 0x13 0 0x0a60>; + }; + phy22: ethernet-phy@2 { + cavium,qlm-trim = "2,sgmii"; + reg = <2>; + compatible = "marvell,88e1149r"; + marvell,reg-init = <3 0x10 0 0x5777>, + <3 0x11 0 0x00aa>, + <3 0x12 0 0x4105>, + <3 0x13 0 0x0a60>; + }; + phy23: ethernet-phy@3 { + cavium,qlm-trim = "2,sgmii"; + reg = <3>; + compatible = "marvell,88e1149r"; + marvell,reg-init = <3 0x10 0 0x5777>, + <3 0x11 0 0x00aa>, + <3 0x12 0 0x4105>, + <3 0x13 0 0x0a60>; + }; + phy24: ethernet-phy@4 { + cavium,qlm-trim = "2,sgmii"; + reg = <4>; + compatible = "marvell,88e1149r"; + marvell,reg-init = <3 0x10 0 0x5777>, + <3 0x11 0 0x00aa>, + <3 0x12 0 0x4105>, + <3 0x13 0 0x0a60>; + }; + }; + + smi3: mdio@1180000003980 { + compatible = "cavium,octeon-3860-mdio"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0x11800 0x00003980 0x0 0x40>; + + phy11: ethernet-phy@1 { + cavium,qlm-trim = "3,sgmii"; + reg = <1>; + compatible = "marvell,88e1149r"; + marvell,reg-init = <3 0x10 0 0x5777>, + <3 0x11 0 0x00aa>, + <3 0x12 0 0x4105>, + <3 0x13 0 0x0a60>; + }; + phy12: ethernet-phy@2 { + cavium,qlm-trim = "3,sgmii"; + reg = <2>; + compatible = "marvell,88e1149r"; + marvell,reg-init = <3 0x10 0 0x5777>, + <3 0x11 0 0x00aa>, + <3 0x12 0 0x4105>, + <3 0x13 0 0x0a60>; + }; + phy13: ethernet-phy@3 { + cavium,qlm-trim = "3,sgmii"; + reg = <3>; + compatible = "marvell,88e1149r"; + marvell,reg-init = <3 0x10 0 0x5777>, + <3 0x11 0 0x00aa>, + <3 0x12 0 0x4105>, + <3 0x13 0 0x0a60>; + }; + phy14: ethernet-phy@4 { + cavium,qlm-trim = "3,sgmii"; + reg = <4>; + compatible = "marvell,88e1149r"; + marvell,reg-init = <3 0x10 0 0x5777>, + <3 0x11 0 0x00aa>, + <3 0x12 0 0x4105>, + <3 0x13 0 0x0a60>; + }; + }; + + mix0: ethernet@1070000100000 { + compatible = "cavium,octeon-5750-mix"; + reg = <0x10700 0x00100000 0x0 0x100>, /* MIX */ + <0x11800 0xE0000000 0x0 0x300>, /* AGL */ + <0x11800 0xE0000400 0x0 0x400>, /* AGL_SHARED */ + <0x11800 0xE0002000 0x0 0x8>; /* AGL_PRT_CTL */ + cell-index = <0>; + interrupts = <6 40>, <6 32>; + local-mac-address = [ 00 00 00 00 00 00 ]; + phy-handle = <&phy0>; + }; + + pip: pip@11800a0000000 { + compatible = "cavium,octeon-3860-pip"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0x11800 0xa0000000 0x0 0x2000>; + + interface@4 { + compatible = "cavium,octeon-3860-pip-interface"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0x4>; /* interface */ + + ethernet@0 { + compatible = "cavium,octeon-3860-pip-port"; + reg = <0x0>; /* Port */ + local-mac-address = [ 00 00 00 00 00 00 ]; + phy-handle = <&phy1>; + }; + ethernet@1 { + compatible = "cavium,octeon-3860-pip-port"; + reg = <0x1>; /* Port */ + local-mac-address = [ 00 00 00 00 00 00 ]; + phy-handle = <&phy2>; + }; + ethernet@2 { + compatible = "cavium,octeon-3860-pip-port"; + reg = <0x2>; /* Port */ + local-mac-address = [ 00 00 00 00 00 00 ]; + phy-handle = <&phy3>; + }; + ethernet@3 { + compatible = "cavium,octeon-3860-pip-port"; + reg = <0x3>; /* Port */ + local-mac-address = [ 00 00 00 00 00 00 ]; + phy-handle = <&phy4>; + }; + }; + + interface@3 { + compatible = "cavium,octeon-3860-pip-interface"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0x3>; /* interface */ + + ethernet@0 { + compatible = "cavium,octeon-3860-pip-port"; + reg = <0x0>; /* Port */ + local-mac-address = [ 00 00 00 00 00 00 ]; + phy-handle = <&phy11>; + }; + ethernet@1 { + compatible = "cavium,octeon-3860-pip-port"; + reg = <0x1>; /* Port */ + local-mac-address = [ 00 00 00 00 00 00 ]; + phy-handle = <&phy12>; + }; + ethernet@2 { + compatible = "cavium,octeon-3860-pip-port"; + reg = <0x2>; /* Port */ + local-mac-address = [ 00 00 00 00 00 00 ]; + phy-handle = <&phy13>; + }; + ethernet@3 { + compatible = "cavium,octeon-3860-pip-port"; + reg = <0x3>; /* Port */ + local-mac-address = [ 00 00 00 00 00 00 ]; + phy-handle = <&phy14>; + }; + }; + + interface@2 { + compatible = "cavium,octeon-3860-pip-interface"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0x2>; /* interface */ + + ethernet@0 { + compatible = "cavium,octeon-3860-pip-port"; + reg = <0x0>; /* Port */ + local-mac-address = [ 00 00 00 00 00 00 ]; + phy-handle = <&phy21>; + }; + ethernet@1 { + compatible = "cavium,octeon-3860-pip-port"; + reg = <0x1>; /* Port */ + local-mac-address = [ 00 00 00 00 00 00 ]; + phy-handle = <&phy22>; + }; + ethernet@2 { + compatible = "cavium,octeon-3860-pip-port"; + reg = <0x2>; /* Port */ + local-mac-address = [ 00 00 00 00 00 00 ]; + phy-handle = <&phy23>; + }; + ethernet@3 { + compatible = "cavium,octeon-3860-pip-port"; + reg = <0x3>; /* Port */ + local-mac-address = [ 00 00 00 00 00 00 ]; + phy-handle = <&phy24>; + }; + }; + + interface@1 { + compatible = "cavium,octeon-3860-pip-interface"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0x1>; /* interface */ + + ethernet@0 { + compatible = "cavium,octeon-3860-pip-port"; + reg = <0x0>; /* Port */ + local-mac-address = [ 00 00 00 00 00 00 ]; + }; + }; + + interface@0 { + compatible = "cavium,octeon-3860-pip-interface"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0x0>; /* interface */ + + ethernet@0 { + compatible = "cavium,octeon-3860-pip-port"; + reg = <0x0>; /* Port */ + local-mac-address = [ 00 00 00 00 00 00 ]; + phy-handle = <&phy41>; + }; + ethernet@1 { + compatible = "cavium,octeon-3860-pip-port"; + reg = <0x1>; /* Port */ + local-mac-address = [ 00 00 00 00 00 00 ]; + phy-handle = <&phy42>; + }; + ethernet@2 { + compatible = "cavium,octeon-3860-pip-port"; + reg = <0x2>; /* Port */ + local-mac-address = [ 00 00 00 00 00 00 ]; + phy-handle = <&phy43>; + }; + ethernet@3 { + compatible = "cavium,octeon-3860-pip-port"; + reg = <0x3>; /* Port */ + local-mac-address = [ 00 00 00 00 00 00 ]; + phy-handle = <&phy44>; + }; + }; + }; + + twsi0: i2c@1180000001000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "cavium,octeon-3860-twsi"; + reg = <0x11800 0x00001000 0x0 0x200>; + interrupts = <3 32>; + clock-frequency = <100000>; + + rtc@68 { + compatible = "dallas,ds1337"; + reg = <0x68>; + }; + tmp@4c { + compatible = "ti,tmp421"; + reg = <0x4c>; + }; + }; + + twsi1: i2c@1180000001200 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "cavium,octeon-3860-twsi"; + reg = <0x11800 0x00001200 0x0 0x200>; + interrupts = <3 33>; + clock-frequency = <100000>; + }; + + uart0: serial@1180000000800 { + compatible = "cavium,octeon-3860-uart","ns16550"; + reg = <0x11800 0x00000800 0x0 0x400>; + clock-frequency = <0>; + current-speed = <115200>; + reg-shift = <3>; + interrupts = <3 36>; + }; + + uart1: serial@1180000000c00 { + compatible = "cavium,octeon-3860-uart","ns16550"; + reg = <0x11800 0x00000c00 0x0 0x400>; + clock-frequency = <0>; + current-speed = <115200>; + reg-shift = <3>; + interrupts = <3 37>; + }; + + bootbus: bootbus@1180000000000 { + compatible = "cavium,octeon-3860-bootbus"; + reg = <0x11800 0x00000000 0x0 0x200>; + /* The chip select number and offset */ + #address-cells = <2>; + /* The size of the chip select region */ + #size-cells = <1>; + ranges = <0 0 0 0x1f400000 0xc00000>, + <1 0 0x10000 0x30000000 0>, + <2 0 0x10000 0x40000000 0>, + <3 0 0x10000 0x50000000 0>, + <4 0 0 0x1d020000 0x10000>, + <5 0 0 0x1d040000 0x10000>, + <6 0 0 0x1d050000 0x10000>, + <7 0 0x10000 0x90000000 0>; + + cavium,cs-config@0 { + compatible = "cavium,octeon-3860-bootbus-config"; + cavium,cs-index = <0>; + cavium,t-adr = <10>; + cavium,t-ce = <50>; + cavium,t-oe = <50>; + cavium,t-we = <35>; + cavium,t-rd-hld = <25>; + cavium,t-wr-hld = <35>; + cavium,t-pause = <0>; + cavium,t-wait = <300>; + cavium,t-page = <25>; + cavium,t-rd-dly = <0>; + + cavium,pages = <0>; + cavium,bus-width = <8>; + }; + cavium,cs-config@4 { + compatible = "cavium,octeon-3860-bootbus-config"; + cavium,cs-index = <4>; + cavium,t-adr = <320>; + cavium,t-ce = <320>; + cavium,t-oe = <320>; + cavium,t-we = <320>; + cavium,t-rd-hld = <320>; + cavium,t-wr-hld = <320>; + cavium,t-pause = <320>; + cavium,t-wait = <320>; + cavium,t-page = <320>; + cavium,t-rd-dly = <0>; + + cavium,pages = <0>; + cavium,bus-width = <8>; + }; + cavium,cs-config@5 { + compatible = "cavium,octeon-3860-bootbus-config"; + cavium,cs-index = <5>; + cavium,t-adr = <0>; + cavium,t-ce = <300>; + cavium,t-oe = <125>; + cavium,t-we = <150>; + cavium,t-rd-hld = <100>; + cavium,t-wr-hld = <300>; + cavium,t-pause = <0>; + cavium,t-wait = <300>; + cavium,t-page = <310>; + cavium,t-rd-dly = <0>; + + cavium,pages = <0>; + cavium,bus-width = <16>; + }; + cavium,cs-config@6 { + compatible = "cavium,octeon-3860-bootbus-config"; + cavium,cs-index = <6>; + cavium,t-adr = <0>; + cavium,t-ce = <30>; + cavium,t-oe = <125>; + cavium,t-we = <150>; + cavium,t-rd-hld = <100>; + cavium,t-wr-hld = <30>; + cavium,t-pause = <0>; + cavium,t-wait = <30>; + cavium,t-page = <310>; + cavium,t-rd-dly = <0>; + + cavium,pages = <0>; + cavium,wait-mode; + cavium,bus-width = <16>; + }; + + flash0: nor@0,0 { + compatible = "cfi-flash"; + reg = <0 0 0x800000>; + #address-cells = <1>; + #size-cells = <1>; + + partition@0 { + label = "bootloader"; + reg = <0 0x200000>; + read-only; + }; + partition@200000 { + label = "kernel"; + reg = <0x200000 0x200000>; + }; + partition@400000 { + label = "cramfs"; + reg = <0x400000 0x3fe000>; + }; + partition@7fe000 { + label = "environment"; + reg = <0x7fe000 0x2000>; + read-only; + }; + }; + + led0: led-display@4,0 { + compatible = "avago,hdsp-253x"; + reg = <4 0x20 0x20>, <4 0 0x20>; + }; + + compact-flash@5,0 { + compatible = "cavium,ebt3000-compact-flash"; + reg = <5 0 0x10000>, <6 0 0x10000>; + cavium,bus-width = <16>; + cavium,true-ide; + cavium,dma-engine-handle = <&dma0>; + }; + }; + + dma0: dma-engine@1180000000100 { + compatible = "cavium,octeon-5750-bootbus-dma"; + reg = <0x11800 0x00000100 0x0 0x8>; + interrupts = <0 63>; + }; + dma1: dma-engine@1180000000108 { + compatible = "cavium,octeon-5750-bootbus-dma"; + reg = <0x11800 0x00000108 0x0 0x8>; + interrupts = <0 63>; + }; + + uctl: uctl@118006f000000 { + compatible = "cavium,octeon-6335-uctl"; + reg = <0x11800 0x6f000000 0x0 0x100>; + ranges; /* Direct mapping */ + #address-cells = <2>; + #size-cells = <2>; + /* 12MHz, 24MHz and 48MHz allowed */ + refclk-frequency = <12000000>; + /* Either "crystal" or "external" */ + refclk-type = "crystal"; + + ehci@16f0000000000 { + compatible = "cavium,octeon-6335-ehci","usb-ehci"; + reg = <0x16f00 0x00000000 0x0 0x100>; + interrupts = <3 44>; + big-endian-regs; + }; + ohci@16f0000000400 { + compatible = "cavium,octeon-6335-ohci","usb-ohci"; + reg = <0x16f00 0x00000400 0x0 0x100>; + interrupts = <3 44>; + big-endian-regs; + }; + }; + }; + + aliases { + mix0 = &mix0; + pip = &pip; + smi0 = &smi0; + smi1 = &smi1; + smi2 = &smi2; + smi3 = &smi3; + twsi0 = &twsi0; + twsi1 = &twsi1; + uart0 = &uart0; + uart1 = &uart1; + uctl = &uctl; + led0 = &led0; + flash0 = &flash0; + }; + }; diff --git a/arch/mips/cavium-octeon/serial.c b/arch/mips/cavium-octeon/serial.c index 057f0ae..138b221 100644 --- a/arch/mips/cavium-octeon/serial.c +++ b/arch/mips/cavium-octeon/serial.c @@ -43,95 +43,67 @@ void octeon_serial_out(struct uart_port *up, int offset, int value) cvmx_write_csr((uint64_t)(up->membase + (offset << 3)), (u8)value); } -/* - * Allocated in .bss, so it is all zeroed. - */ -#define OCTEON_MAX_UARTS 3 -static struct plat_serial8250_port octeon_uart8250_data[OCTEON_MAX_UARTS + 1]; -static struct platform_device octeon_uart8250_device = { - .name = "serial8250", - .id = PLAT8250_DEV_PLATFORM, - .dev = { - .platform_data = octeon_uart8250_data, - }, -}; - -static void __init octeon_uart_set_common(struct plat_serial8250_port *p) +static int __devinit octeon_serial_probe(struct platform_device *pdev) { - p->flags = ASYNC_SKIP_TEST | UPF_SHARE_IRQ | UPF_FIXED_TYPE; - p->type = PORT_OCTEON; - p->iotype = UPIO_MEM; - p->regshift = 3; /* I/O addresses are every 8 bytes */ + int irq, res; + struct resource *res_mem; + struct uart_port port; + + /* All adaptors have an irq. */ + irq = platform_get_irq(pdev, 0); + if (irq < 0) + return irq; + + memset(&port, 0, sizeof(port)); + + port.flags = ASYNC_SKIP_TEST | UPF_SHARE_IRQ | UPF_FIXED_TYPE; + port.type = PORT_OCTEON; + port.iotype = UPIO_MEM; + port.regshift = 3; + port.dev = &pdev->dev; + if (octeon_is_simulation()) /* Make simulator output fast*/ - p->uartclk = 115200 * 16; + port.uartclk = 115200 * 16; else - p->uartclk = octeon_get_io_clock_rate(); - p->serial_in = octeon_serial_in; - p->serial_out = octeon_serial_out; -} + port.uartclk = octeon_get_io_clock_rate(); -static int __init octeon_serial_init(void) -{ - int enable_uart0; - int enable_uart1; - int enable_uart2; - struct plat_serial8250_port *p; - -#ifdef CONFIG_CAVIUM_OCTEON_2ND_KERNEL - /* - * If we are configured to run as the second of two kernels, - * disable uart0 and enable uart1. Uart0 is owned by the first - * kernel - */ - enable_uart0 = 0; - enable_uart1 = 1; -#else - /* - * We are configured for the first kernel. We'll enable uart0 - * if the bootloader told us to use 0, otherwise will enable - * uart 1. - */ - enable_uart0 = (octeon_get_boot_uart() == 0); - enable_uart1 = (octeon_get_boot_uart() == 1); -#ifdef CONFIG_KGDB - enable_uart1 = 1; -#endif -#endif - - /* Right now CN52XX is the only chip with a third uart */ - enable_uart2 = OCTEON_IS_MODEL(OCTEON_CN52XX); - - p = octeon_uart8250_data; - if (enable_uart0) { - /* Add a ttyS device for hardware uart 0 */ - octeon_uart_set_common(p); - p->membase = (void *) CVMX_MIO_UARTX_RBR(0); - p->mapbase = CVMX_MIO_UARTX_RBR(0) & ((1ull << 49) - 1); - p->irq = OCTEON_IRQ_UART0; - p++; - } + port.serial_in = octeon_serial_in; + port.serial_out = octeon_serial_out; + port.irq = irq; - if (enable_uart1) { - /* Add a ttyS device for hardware uart 1 */ - octeon_uart_set_common(p); - p->membase = (void *) CVMX_MIO_UARTX_RBR(1); - p->mapbase = CVMX_MIO_UARTX_RBR(1) & ((1ull << 49) - 1); - p->irq = OCTEON_IRQ_UART1; - p++; - } - if (enable_uart2) { - /* Add a ttyS device for hardware uart 2 */ - octeon_uart_set_common(p); - p->membase = (void *) CVMX_MIO_UART2_RBR; - p->mapbase = CVMX_MIO_UART2_RBR & ((1ull << 49) - 1); - p->irq = OCTEON_IRQ_UART2; - p++; + res_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (res_mem == NULL) { + dev_err(&pdev->dev, "found no memory resource\n"); + return -ENXIO; } + port.mapbase = res_mem->start; + port.membase = ioremap(res_mem->start, resource_size(res_mem)); - BUG_ON(p > &octeon_uart8250_data[OCTEON_MAX_UARTS]); + res = serial8250_register_port(&port); - return platform_device_register(&octeon_uart8250_device); + return res >= 0 ? 0 : res; } -device_initcall(octeon_serial_init); +static struct of_device_id octeon_serial_match[] = { + { + .compatible = "cavium,octeon-3860-uart", + }, + {}, +}; +MODULE_DEVICE_TABLE(of, octeon_serial_match); + +static struct platform_driver octeon_serial_driver = { + .probe = octeon_serial_probe, + .driver = { + .owner = THIS_MODULE, + .name = "octeon_serial", + .of_match_table = octeon_serial_match, + }, +}; + +static int __init octeon_serial_init(void) +{ + return platform_driver_register(&octeon_serial_driver); +} +late_initcall(octeon_serial_init); diff --git a/arch/mips/cavium-octeon/setup.c b/arch/mips/cavium-octeon/setup.c index 260dc24..919b0fb 100644 --- a/arch/mips/cavium-octeon/setup.c +++ b/arch/mips/cavium-octeon/setup.c @@ -21,6 +21,8 @@ #include <linux/platform_device.h> #include <linux/serial_core.h> #include <linux/serial_8250.h> +#include <linux/of_fdt.h> +#include <linux/libfdt.h> #include <asm/processor.h> #include <asm/reboot.h> @@ -775,3 +777,46 @@ void prom_free_prom_memory(void) } #endif } + +int octeon_prune_device_tree(void); + +extern const char __dtb_octeon_3xxx_begin; +extern const char __dtb_octeon_3xxx_end; +extern const char __dtb_octeon_68xx_begin; +extern const char __dtb_octeon_68xx_end; +void __init device_tree_init(void) +{ + int dt_size; + struct boot_param_header *fdt; + bool do_prune; + + if (octeon_bootinfo->minor_version >= 3 && octeon_bootinfo->fdt_addr) { + fdt = phys_to_virt(octeon_bootinfo->fdt_addr); + if (fdt_check_header(fdt)) + panic("Corrupt Device Tree passed to kernel."); + dt_size = be32_to_cpu(fdt->totalsize); + do_prune = false; + } else if (OCTEON_IS_MODEL(OCTEON_CN68XX)) { + fdt = (struct boot_param_header *)&__dtb_octeon_68xx_begin; + dt_size = &__dtb_octeon_68xx_end - &__dtb_octeon_68xx_begin; + do_prune = true; + } else { + fdt = (struct boot_param_header *)&__dtb_octeon_3xxx_begin; + dt_size = &__dtb_octeon_3xxx_end - &__dtb_octeon_3xxx_begin; + do_prune = true; + } + + /* Copy the default tree from init memory. */ + initial_boot_params = early_init_dt_alloc_memory_arch(dt_size, 8); + if (initial_boot_params == NULL) + panic("Could not allocate initial_boot_params\n"); + memcpy(initial_boot_params, fdt, dt_size); + + if (do_prune) { + octeon_prune_device_tree(); + pr_info("Using internal Device Tree.\n"); + } else { + pr_info("Using passed Device Tree.\n"); + } + unflatten_device_tree(); +} diff --git a/arch/mips/configs/ls1b_defconfig b/arch/mips/configs/ls1b_defconfig new file mode 100644 index 0000000..80cff8b --- /dev/null +++ b/arch/mips/configs/ls1b_defconfig @@ -0,0 +1,109 @@ +CONFIG_MACH_LOONGSON1=y +CONFIG_PREEMPT=y +# CONFIG_SECCOMP is not set +CONFIG_EXPERIMENTAL=y +# CONFIG_LOCALVERSION_AUTO is not set +CONFIG_SYSVIPC=y +CONFIG_BSD_PROCESS_ACCT=y +CONFIG_BSD_PROCESS_ACCT_V3=y +CONFIG_HIGH_RES_TIMERS=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_LOG_BUF_SHIFT=16 +CONFIG_NAMESPACES=y +CONFIG_BLK_DEV_INITRD=y +CONFIG_RD_BZIP2=y +CONFIG_RD_LZMA=y +CONFIG_EXPERT=y +CONFIG_PERF_EVENTS=y +# CONFIG_COMPAT_BRK is not set +CONFIG_MODULES=y +CONFIG_MODULE_UNLOAD=y +CONFIG_MODVERSIONS=y +# CONFIG_LBDAF is not set +# CONFIG_BLK_DEV_BSG is not set +# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set +# CONFIG_SUSPEND is not set +CONFIG_NET=y +CONFIG_PACKET=y +CONFIG_UNIX=y +CONFIG_INET=y +CONFIG_IP_PNP=y +CONFIG_IP_PNP_DHCP=y +CONFIG_SYN_COOKIES=y +# CONFIG_INET_XFRM_MODE_TRANSPORT is not set +# CONFIG_INET_XFRM_MODE_TUNNEL is not set +# CONFIG_INET_XFRM_MODE_BEET is not set +# CONFIG_INET_DIAG is not set +# CONFIG_IPV6 is not set +# CONFIG_WIRELESS is not set +CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" +CONFIG_DEVTMPFS=y +CONFIG_DEVTMPFS_MOUNT=y +# CONFIG_STANDALONE is not set +CONFIG_BLK_DEV_LOOP=y +CONFIG_SCSI=m +# CONFIG_SCSI_PROC_FS is not set +CONFIG_BLK_DEV_SD=m +# CONFIG_SCSI_LOWLEVEL is not set +CONFIG_NETDEVICES=y +# CONFIG_NET_VENDOR_BROADCOM is not set +# CONFIG_NET_VENDOR_CHELSIO is not set +# CONFIG_NET_VENDOR_INTEL is not set +# CONFIG_NET_VENDOR_MARVELL is not set +# CONFIG_NET_VENDOR_MICREL is not set +# CONFIG_NET_VENDOR_NATSEMI is not set +# CONFIG_NET_VENDOR_SEEQ is not set +# CONFIG_NET_VENDOR_SMSC is not set +CONFIG_STMMAC_ETH=y +CONFIG_STMMAC_DA=y +# CONFIG_NET_VENDOR_WIZNET is not set +# CONFIG_WLAN is not set +CONFIG_INPUT_EVDEV=y +# CONFIG_INPUT_KEYBOARD is not set +# CONFIG_INPUT_MOUSE is not set +# CONFIG_SERIO is not set +CONFIG_VT_HW_CONSOLE_BINDING=y +CONFIG_LEGACY_PTY_COUNT=8 +# CONFIG_DEVKMEM is not set +CONFIG_SERIAL_8250=y +CONFIG_SERIAL_8250_CONSOLE=y +# CONFIG_HW_RANDOM is not set +# CONFIG_HWMON is not set +# CONFIG_VGA_CONSOLE is not set +CONFIG_USB_HID=m +CONFIG_HID_GENERIC=m +CONFIG_USB=y +CONFIG_USB_ANNOUNCE_NEW_DEVICES=y +CONFIG_USB_EHCI_HCD=y +# CONFIG_USB_EHCI_TT_NEWSCHED is not set +CONFIG_USB_STORAGE=m +CONFIG_USB_SERIAL=m +CONFIG_USB_SERIAL_PL2303=m +CONFIG_RTC_CLASS=y +CONFIG_RTC_DRV_LOONGSON1=y +# CONFIG_IOMMU_SUPPORT is not set +CONFIG_EXT2_FS=y +CONFIG_EXT2_FS_XATTR=y +CONFIG_EXT2_FS_POSIX_ACL=y +CONFIG_EXT2_FS_SECURITY=y +CONFIG_EXT3_FS=y +CONFIG_EXT3_FS_POSIX_ACL=y +CONFIG_EXT3_FS_SECURITY=y +# CONFIG_DNOTIFY is not set +CONFIG_VFAT_FS=y +CONFIG_PROC_KCORE=y +CONFIG_TMPFS=y +CONFIG_TMPFS_POSIX_ACL=y +# CONFIG_MISC_FILESYSTEMS is not set +CONFIG_NFS_FS=y +CONFIG_ROOT_NFS=y +CONFIG_NLS_CODEPAGE_437=m +CONFIG_NLS_ISO8859_1=m +# CONFIG_ENABLE_WARN_DEPRECATED is not set +# CONFIG_ENABLE_MUST_CHECK is not set +CONFIG_MAGIC_SYSRQ=y +# CONFIG_SCHED_DEBUG is not set +# CONFIG_DEBUG_PREEMPT is not set +# CONFIG_FTRACE is not set +# CONFIG_EARLY_PRINTK is not set diff --git a/arch/mips/configs/nlm_xlr_defconfig b/arch/mips/configs/nlm_xlr_defconfig index d0b857d..138f698 100644 --- a/arch/mips/configs/nlm_xlr_defconfig +++ b/arch/mips/configs/nlm_xlr_defconfig @@ -367,6 +367,10 @@ CONFIG_SERIAL_8250_RSA=y CONFIG_HW_RANDOM=y CONFIG_HW_RANDOM_TIMERIOMEM=m CONFIG_RAW_DRIVER=m +CONFIG_I2C=y +CONFIG_I2C_XLR=y +CONFIG_RTC_CLASS=y +CONFIG_RTC_DRV_DS1374=y # CONFIG_HWMON is not set # CONFIG_VGA_CONSOLE is not set # CONFIG_HID_SUPPORT is not set diff --git a/arch/mips/dec/prom/memory.c b/arch/mips/dec/prom/memory.c index e95ff30..8c62316 100644 --- a/arch/mips/dec/prom/memory.c +++ b/arch/mips/dec/prom/memory.c @@ -101,7 +101,7 @@ void __init prom_free_prom_memory(void) * the first page reserved for the exception handlers. */ -#if defined(CONFIG_DECLANCE) || defined(CONFIG_DECLANCE_MODULE) +#if IS_ENABLED(CONFIG_DECLANCE) /* * Leave 128 KB reserved for Lance memory for * IOASIC DECstations. diff --git a/arch/mips/include/asm/clock.h b/arch/mips/include/asm/clock.h index 83894aa..c9456e7 100644 --- a/arch/mips/include/asm/clock.h +++ b/arch/mips/include/asm/clock.h @@ -50,15 +50,4 @@ void clk_recalc_rate(struct clk *); int clk_register(struct clk *); void clk_unregister(struct clk *); -/* the exported API, in addition to clk_set_rate */ -/** - * clk_set_rate_ex - set the clock rate for a clock source, with additional parameter - * @clk: clock source - * @rate: desired clock rate in Hz - * @algo_id: algorithm id to be passed down to ops->set_rate - * - * Returns success (0) or negative errno. - */ -int clk_set_rate_ex(struct clk *clk, unsigned long rate, int algo_id); - #endif /* __ASM_MIPS_CLOCK_H */ diff --git a/arch/mips/include/asm/cpu.h b/arch/mips/include/asm/cpu.h index 95e40c1..f21b7c0 100644 --- a/arch/mips/include/asm/cpu.h +++ b/arch/mips/include/asm/cpu.h @@ -197,6 +197,7 @@ #define PRID_REV_VR4181A 0x0070 /* Same as VR4122 */ #define PRID_REV_VR4130 0x0080 #define PRID_REV_34K_V1_0_2 0x0022 +#define PRID_REV_LOONGSON1B 0x0020 #define PRID_REV_LOONGSON2E 0x0002 #define PRID_REV_LOONGSON2F 0x0003 @@ -261,7 +262,7 @@ enum cpu_type_enum { */ CPU_4KC, CPU_4KEC, CPU_4KSC, CPU_24K, CPU_34K, CPU_1004K, CPU_74K, CPU_ALCHEMY, CPU_PR4450, CPU_BMIPS32, CPU_BMIPS3300, CPU_BMIPS4350, - CPU_BMIPS4380, CPU_BMIPS5000, CPU_JZRISC, CPU_M14KC, + CPU_BMIPS4380, CPU_BMIPS5000, CPU_JZRISC, CPU_LOONGSON1, CPU_M14KC, /* * MIPS64 class processors diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h index 5b8d15b..e104ddb 100644 --- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h +++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h @@ -9,6 +9,7 @@ * compile time if only one CPU support is enabled (idea stolen from * arm mach-types) */ +#define BCM6328_CPU_ID 0x6328 #define BCM6338_CPU_ID 0x6338 #define BCM6345_CPU_ID 0x6345 #define BCM6348_CPU_ID 0x6348 @@ -20,6 +21,19 @@ u16 __bcm63xx_get_cpu_id(void); u16 bcm63xx_get_cpu_rev(void); unsigned int bcm63xx_get_cpu_freq(void); +#ifdef CONFIG_BCM63XX_CPU_6328 +# ifdef bcm63xx_get_cpu_id +# undef bcm63xx_get_cpu_id +# define bcm63xx_get_cpu_id() __bcm63xx_get_cpu_id() +# define BCMCPU_RUNTIME_DETECT +# else +# define bcm63xx_get_cpu_id() BCM6328_CPU_ID +# endif +# define BCMCPU_IS_6328() (bcm63xx_get_cpu_id() == BCM6328_CPU_ID) +#else +# define BCMCPU_IS_6328() (0) +#endif + #ifdef CONFIG_BCM63XX_CPU_6338 # ifdef bcm63xx_get_cpu_id # undef bcm63xx_get_cpu_id @@ -102,13 +116,13 @@ enum bcm63xx_regs_set { RSET_UART1, RSET_GPIO, RSET_SPI, - RSET_SPI2, RSET_UDC0, RSET_OHCI0, RSET_OHCI_PRIV, RSET_USBH_PRIV, RSET_MPI, RSET_PCMCIA, + RSET_PCIE, RSET_DSL, RSET_ENET0, RSET_ENET1, @@ -130,11 +144,17 @@ enum bcm63xx_regs_set { RSET_PCMDMA, RSET_PCMDMAC, RSET_PCMDMAS, + RSET_RNG, + RSET_MISC }; #define RSET_DSL_LMEM_SIZE (64 * 1024 * 4) #define RSET_DSL_SIZE 4096 #define RSET_WDT_SIZE 12 +#define BCM_6338_RSET_SPI_SIZE 64 +#define BCM_6348_RSET_SPI_SIZE 64 +#define BCM_6358_RSET_SPI_SIZE 1804 +#define BCM_6368_RSET_SPI_SIZE 1804 #define RSET_ENET_SIZE 2048 #define RSET_ENETDMA_SIZE 2048 #define RSET_ENETSW_SIZE 65536 @@ -149,8 +169,53 @@ enum bcm63xx_regs_set { #define RSET_XTMDMA_SIZE 256 #define RSET_XTMDMAC_SIZE(chans) (16 * (chans)) #define RSET_XTMDMAS_SIZE(chans) (16 * (chans)) +#define RSET_RNG_SIZE 20 /* + * 6328 register sets base address + */ +#define BCM_6328_DSL_LMEM_BASE (0xdeadbeef) +#define BCM_6328_PERF_BASE (0xb0000000) +#define BCM_6328_TIMER_BASE (0xb0000040) +#define BCM_6328_WDT_BASE (0xb000005c) +#define BCM_6328_UART0_BASE (0xb0000100) +#define BCM_6328_UART1_BASE (0xb0000120) +#define BCM_6328_GPIO_BASE (0xb0000080) +#define BCM_6328_SPI_BASE (0xdeadbeef) +#define BCM_6328_UDC0_BASE (0xdeadbeef) +#define BCM_6328_USBDMA_BASE (0xdeadbeef) +#define BCM_6328_OHCI0_BASE (0xdeadbeef) +#define BCM_6328_OHCI_PRIV_BASE (0xdeadbeef) +#define BCM_6328_USBH_PRIV_BASE (0xdeadbeef) +#define BCM_6328_MPI_BASE (0xdeadbeef) +#define BCM_6328_PCMCIA_BASE (0xdeadbeef) +#define BCM_6328_PCIE_BASE (0xb0e40000) +#define BCM_6328_SDRAM_REGS_BASE (0xdeadbeef) +#define BCM_6328_DSL_BASE (0xb0001900) +#define BCM_6328_UBUS_BASE (0xdeadbeef) +#define BCM_6328_ENET0_BASE (0xdeadbeef) +#define BCM_6328_ENET1_BASE (0xdeadbeef) +#define BCM_6328_ENETDMA_BASE (0xb000d800) +#define BCM_6328_ENETDMAC_BASE (0xb000da00) +#define BCM_6328_ENETDMAS_BASE (0xb000dc00) +#define BCM_6328_ENETSW_BASE (0xb0e00000) +#define BCM_6328_EHCI0_BASE (0x10002500) +#define BCM_6328_SDRAM_BASE (0xdeadbeef) +#define BCM_6328_MEMC_BASE (0xdeadbeef) +#define BCM_6328_DDR_BASE (0xb0003000) +#define BCM_6328_M2M_BASE (0xdeadbeef) +#define BCM_6328_ATM_BASE (0xdeadbeef) +#define BCM_6328_XTM_BASE (0xdeadbeef) +#define BCM_6328_XTMDMA_BASE (0xb000b800) +#define BCM_6328_XTMDMAC_BASE (0xdeadbeef) +#define BCM_6328_XTMDMAS_BASE (0xdeadbeef) +#define BCM_6328_PCM_BASE (0xb000a800) +#define BCM_6328_PCMDMA_BASE (0xdeadbeef) +#define BCM_6328_PCMDMAC_BASE (0xdeadbeef) +#define BCM_6328_PCMDMAS_BASE (0xdeadbeef) +#define BCM_6328_RNG_BASE (0xdeadbeef) +#define BCM_6328_MISC_BASE (0xb0001800) +/* * 6338 register sets base address */ #define BCM_6338_DSL_LMEM_BASE (0xfff00000) @@ -162,7 +227,6 @@ enum bcm63xx_regs_set { #define BCM_6338_UART1_BASE (0xdeadbeef) #define BCM_6338_GPIO_BASE (0xfffe0400) #define BCM_6338_SPI_BASE (0xfffe0c00) -#define BCM_6338_SPI2_BASE (0xdeadbeef) #define BCM_6338_UDC0_BASE (0xdeadbeef) #define BCM_6338_USBDMA_BASE (0xfffe2400) #define BCM_6338_OHCI0_BASE (0xdeadbeef) @@ -170,6 +234,7 @@ enum bcm63xx_regs_set { #define BCM_6338_USBH_PRIV_BASE (0xdeadbeef) #define BCM_6338_MPI_BASE (0xfffe3160) #define BCM_6338_PCMCIA_BASE (0xdeadbeef) +#define BCM_6338_PCIE_BASE (0xdeadbeef) #define BCM_6338_SDRAM_REGS_BASE (0xfffe3100) #define BCM_6338_DSL_BASE (0xfffe1000) #define BCM_6338_UBUS_BASE (0xdeadbeef) @@ -193,6 +258,8 @@ enum bcm63xx_regs_set { #define BCM_6338_PCMDMA_BASE (0xdeadbeef) #define BCM_6338_PCMDMAC_BASE (0xdeadbeef) #define BCM_6338_PCMDMAS_BASE (0xdeadbeef) +#define BCM_6338_RNG_BASE (0xdeadbeef) +#define BCM_6338_MISC_BASE (0xdeadbeef) /* * 6345 register sets base address @@ -206,7 +273,6 @@ enum bcm63xx_regs_set { #define BCM_6345_UART1_BASE (0xdeadbeef) #define BCM_6345_GPIO_BASE (0xfffe0400) #define BCM_6345_SPI_BASE (0xdeadbeef) -#define BCM_6345_SPI2_BASE (0xdeadbeef) #define BCM_6345_UDC0_BASE (0xdeadbeef) #define BCM_6345_USBDMA_BASE (0xfffe2800) #define BCM_6345_ENET0_BASE (0xfffe1800) @@ -216,6 +282,7 @@ enum bcm63xx_regs_set { #define BCM_6345_ENETSW_BASE (0xdeadbeef) #define BCM_6345_PCMCIA_BASE (0xfffe2028) #define BCM_6345_MPI_BASE (0xfffe2000) +#define BCM_6345_PCIE_BASE (0xdeadbeef) #define BCM_6345_OHCI0_BASE (0xfffe2100) #define BCM_6345_OHCI_PRIV_BASE (0xfffe2200) #define BCM_6345_USBH_PRIV_BASE (0xdeadbeef) @@ -237,6 +304,8 @@ enum bcm63xx_regs_set { #define BCM_6345_PCMDMA_BASE (0xdeadbeef) #define BCM_6345_PCMDMAC_BASE (0xdeadbeef) #define BCM_6345_PCMDMAS_BASE (0xdeadbeef) +#define BCM_6345_RNG_BASE (0xdeadbeef) +#define BCM_6345_MISC_BASE (0xdeadbeef) /* * 6348 register sets base address @@ -249,13 +318,13 @@ enum bcm63xx_regs_set { #define BCM_6348_UART1_BASE (0xdeadbeef) #define BCM_6348_GPIO_BASE (0xfffe0400) #define BCM_6348_SPI_BASE (0xfffe0c00) -#define BCM_6348_SPI2_BASE (0xdeadbeef) #define BCM_6348_UDC0_BASE (0xfffe1000) #define BCM_6348_OHCI0_BASE (0xfffe1b00) #define BCM_6348_OHCI_PRIV_BASE (0xfffe1c00) #define BCM_6348_USBH_PRIV_BASE (0xdeadbeef) #define BCM_6348_MPI_BASE (0xfffe2000) #define BCM_6348_PCMCIA_BASE (0xfffe2054) +#define BCM_6348_PCIE_BASE (0xdeadbeef) #define BCM_6348_SDRAM_REGS_BASE (0xfffe2300) #define BCM_6348_M2M_BASE (0xfffe2800) #define BCM_6348_DSL_BASE (0xfffe3000) @@ -278,6 +347,8 @@ enum bcm63xx_regs_set { #define BCM_6348_PCMDMA_BASE (0xdeadbeef) #define BCM_6348_PCMDMAC_BASE (0xdeadbeef) #define BCM_6348_PCMDMAS_BASE (0xdeadbeef) +#define BCM_6348_RNG_BASE (0xdeadbeef) +#define BCM_6348_MISC_BASE (0xdeadbeef) /* * 6358 register sets base address @@ -289,14 +360,14 @@ enum bcm63xx_regs_set { #define BCM_6358_UART0_BASE (0xfffe0100) #define BCM_6358_UART1_BASE (0xfffe0120) #define BCM_6358_GPIO_BASE (0xfffe0080) -#define BCM_6358_SPI_BASE (0xdeadbeef) -#define BCM_6358_SPI2_BASE (0xfffe0800) +#define BCM_6358_SPI_BASE (0xfffe0800) #define BCM_6358_UDC0_BASE (0xfffe0800) #define BCM_6358_OHCI0_BASE (0xfffe1400) #define BCM_6358_OHCI_PRIV_BASE (0xdeadbeef) #define BCM_6358_USBH_PRIV_BASE (0xfffe1500) #define BCM_6358_MPI_BASE (0xfffe1000) #define BCM_6358_PCMCIA_BASE (0xfffe1054) +#define BCM_6358_PCIE_BASE (0xdeadbeef) #define BCM_6358_SDRAM_REGS_BASE (0xfffe2300) #define BCM_6358_M2M_BASE (0xdeadbeef) #define BCM_6358_DSL_BASE (0xfffe3000) @@ -319,6 +390,8 @@ enum bcm63xx_regs_set { #define BCM_6358_PCMDMA_BASE (0xfffe1800) #define BCM_6358_PCMDMAC_BASE (0xfffe1900) #define BCM_6358_PCMDMAS_BASE (0xfffe1a00) +#define BCM_6358_RNG_BASE (0xdeadbeef) +#define BCM_6358_MISC_BASE (0xdeadbeef) /* @@ -331,14 +404,14 @@ enum bcm63xx_regs_set { #define BCM_6368_UART0_BASE (0xb0000100) #define BCM_6368_UART1_BASE (0xb0000120) #define BCM_6368_GPIO_BASE (0xb0000080) -#define BCM_6368_SPI_BASE (0xdeadbeef) -#define BCM_6368_SPI2_BASE (0xb0000800) +#define BCM_6368_SPI_BASE (0xb0000800) #define BCM_6368_UDC0_BASE (0xdeadbeef) #define BCM_6368_OHCI0_BASE (0xb0001600) #define BCM_6368_OHCI_PRIV_BASE (0xdeadbeef) #define BCM_6368_USBH_PRIV_BASE (0xb0001700) #define BCM_6368_MPI_BASE (0xb0001000) #define BCM_6368_PCMCIA_BASE (0xb0001054) +#define BCM_6368_PCIE_BASE (0xdeadbeef) #define BCM_6368_SDRAM_REGS_BASE (0xdeadbeef) #define BCM_6368_M2M_BASE (0xdeadbeef) #define BCM_6368_DSL_BASE (0xdeadbeef) @@ -361,6 +434,8 @@ enum bcm63xx_regs_set { #define BCM_6368_PCMDMA_BASE (0xb0005800) #define BCM_6368_PCMDMAC_BASE (0xb0005a00) #define BCM_6368_PCMDMAS_BASE (0xb0005c00) +#define BCM_6368_RNG_BASE (0xb0004180) +#define BCM_6368_MISC_BASE (0xdeadbeef) extern const unsigned long *bcm63xx_regs_base; @@ -379,13 +454,13 @@ extern const unsigned long *bcm63xx_regs_base; __GEN_RSET_BASE(__cpu, UART1) \ __GEN_RSET_BASE(__cpu, GPIO) \ __GEN_RSET_BASE(__cpu, SPI) \ - __GEN_RSET_BASE(__cpu, SPI2) \ __GEN_RSET_BASE(__cpu, UDC0) \ __GEN_RSET_BASE(__cpu, OHCI0) \ __GEN_RSET_BASE(__cpu, OHCI_PRIV) \ __GEN_RSET_BASE(__cpu, USBH_PRIV) \ __GEN_RSET_BASE(__cpu, MPI) \ __GEN_RSET_BASE(__cpu, PCMCIA) \ + __GEN_RSET_BASE(__cpu, PCIE) \ __GEN_RSET_BASE(__cpu, DSL) \ __GEN_RSET_BASE(__cpu, ENET0) \ __GEN_RSET_BASE(__cpu, ENET1) \ @@ -407,6 +482,8 @@ extern const unsigned long *bcm63xx_regs_base; __GEN_RSET_BASE(__cpu, PCMDMA) \ __GEN_RSET_BASE(__cpu, PCMDMAC) \ __GEN_RSET_BASE(__cpu, PCMDMAS) \ + __GEN_RSET_BASE(__cpu, RNG) \ + __GEN_RSET_BASE(__cpu, MISC) \ } #define __GEN_CPU_REGS_TABLE(__cpu) \ @@ -418,13 +495,13 @@ extern const unsigned long *bcm63xx_regs_base; [RSET_UART1] = BCM_## __cpu ##_UART1_BASE, \ [RSET_GPIO] = BCM_## __cpu ##_GPIO_BASE, \ [RSET_SPI] = BCM_## __cpu ##_SPI_BASE, \ - [RSET_SPI2] = BCM_## __cpu ##_SPI2_BASE, \ [RSET_UDC0] = BCM_## __cpu ##_UDC0_BASE, \ [RSET_OHCI0] = BCM_## __cpu ##_OHCI0_BASE, \ [RSET_OHCI_PRIV] = BCM_## __cpu ##_OHCI_PRIV_BASE, \ [RSET_USBH_PRIV] = BCM_## __cpu ##_USBH_PRIV_BASE, \ [RSET_MPI] = BCM_## __cpu ##_MPI_BASE, \ [RSET_PCMCIA] = BCM_## __cpu ##_PCMCIA_BASE, \ + [RSET_PCIE] = BCM_## __cpu ##_PCIE_BASE, \ [RSET_DSL] = BCM_## __cpu ##_DSL_BASE, \ [RSET_ENET0] = BCM_## __cpu ##_ENET0_BASE, \ [RSET_ENET1] = BCM_## __cpu ##_ENET1_BASE, \ @@ -446,6 +523,8 @@ extern const unsigned long *bcm63xx_regs_base; [RSET_PCMDMA] = BCM_## __cpu ##_PCMDMA_BASE, \ [RSET_PCMDMAC] = BCM_## __cpu ##_PCMDMAC_BASE, \ [RSET_PCMDMAS] = BCM_## __cpu ##_PCMDMAS_BASE, \ + [RSET_RNG] = BCM_## __cpu ##_RNG_BASE, \ + [RSET_MISC] = BCM_## __cpu ##_MISC_BASE, \ static inline unsigned long bcm63xx_regset_address(enum bcm63xx_regs_set set) @@ -453,6 +532,9 @@ static inline unsigned long bcm63xx_regset_address(enum bcm63xx_regs_set set) #ifdef BCMCPU_RUNTIME_DETECT return bcm63xx_regs_base[set]; #else +#ifdef CONFIG_BCM63XX_CPU_6328 + __GEN_RSET(6328) +#endif #ifdef CONFIG_BCM63XX_CPU_6338 __GEN_RSET(6338) #endif @@ -478,6 +560,7 @@ static inline unsigned long bcm63xx_regset_address(enum bcm63xx_regs_set set) */ enum bcm63xx_irq { IRQ_TIMER = 0, + IRQ_SPI, IRQ_UART0, IRQ_UART1, IRQ_DSL, @@ -506,9 +589,51 @@ enum bcm63xx_irq { }; /* + * 6328 irqs + */ +#define BCM_6328_HIGH_IRQ_BASE (IRQ_INTERNAL_BASE + 32) + +#define BCM_6328_TIMER_IRQ (IRQ_INTERNAL_BASE + 31) +#define BCM_6328_SPI_IRQ 0 +#define BCM_6328_UART0_IRQ (IRQ_INTERNAL_BASE + 28) +#define BCM_6328_UART1_IRQ (BCM_6328_HIGH_IRQ_BASE + 7) +#define BCM_6328_DSL_IRQ (IRQ_INTERNAL_BASE + 4) +#define BCM_6328_UDC0_IRQ 0 +#define BCM_6328_ENET0_IRQ 0 +#define BCM_6328_ENET1_IRQ 0 +#define BCM_6328_ENET_PHY_IRQ (IRQ_INTERNAL_BASE + 12) +#define BCM_6328_OHCI0_IRQ (IRQ_INTERNAL_BASE + 9) +#define BCM_6328_EHCI0_IRQ (IRQ_INTERNAL_BASE + 10) +#define BCM_6328_PCMCIA_IRQ 0 +#define BCM_6328_ENET0_RXDMA_IRQ 0 +#define BCM_6328_ENET0_TXDMA_IRQ 0 +#define BCM_6328_ENET1_RXDMA_IRQ 0 +#define BCM_6328_ENET1_TXDMA_IRQ 0 +#define BCM_6328_PCI_IRQ (IRQ_INTERNAL_BASE + 23) +#define BCM_6328_ATM_IRQ 0 +#define BCM_6328_ENETSW_RXDMA0_IRQ (BCM_6328_HIGH_IRQ_BASE + 0) +#define BCM_6328_ENETSW_RXDMA1_IRQ (BCM_6328_HIGH_IRQ_BASE + 1) +#define BCM_6328_ENETSW_RXDMA2_IRQ (BCM_6328_HIGH_IRQ_BASE + 2) +#define BCM_6328_ENETSW_RXDMA3_IRQ (BCM_6328_HIGH_IRQ_BASE + 3) +#define BCM_6328_ENETSW_TXDMA0_IRQ (BCM_6328_HIGH_IRQ_BASE + 4) +#define BCM_6328_ENETSW_TXDMA1_IRQ (BCM_6328_HIGH_IRQ_BASE + 5) +#define BCM_6328_ENETSW_TXDMA2_IRQ (BCM_6328_HIGH_IRQ_BASE + 6) +#define BCM_6328_ENETSW_TXDMA3_IRQ (BCM_6328_HIGH_IRQ_BASE + 7) +#define BCM_6328_XTM_IRQ (BCM_6328_HIGH_IRQ_BASE + 31) +#define BCM_6328_XTM_DMA0_IRQ (BCM_6328_HIGH_IRQ_BASE + 11) + +#define BCM_6328_PCM_DMA0_IRQ (IRQ_INTERNAL_BASE + 2) +#define BCM_6328_PCM_DMA1_IRQ (IRQ_INTERNAL_BASE + 3) +#define BCM_6328_EXT_IRQ0 (IRQ_INTERNAL_BASE + 24) +#define BCM_6328_EXT_IRQ1 (IRQ_INTERNAL_BASE + 25) +#define BCM_6328_EXT_IRQ2 (IRQ_INTERNAL_BASE + 26) +#define BCM_6328_EXT_IRQ3 (IRQ_INTERNAL_BASE + 27) + +/* * 6338 irqs */ #define BCM_6338_TIMER_IRQ (IRQ_INTERNAL_BASE + 0) +#define BCM_6338_SPI_IRQ (IRQ_INTERNAL_BASE + 1) #define BCM_6338_UART0_IRQ (IRQ_INTERNAL_BASE + 2) #define BCM_6338_UART1_IRQ 0 #define BCM_6338_DSL_IRQ (IRQ_INTERNAL_BASE + 5) @@ -539,6 +664,7 @@ enum bcm63xx_irq { * 6345 irqs */ #define BCM_6345_TIMER_IRQ (IRQ_INTERNAL_BASE + 0) +#define BCM_6345_SPI_IRQ 0 #define BCM_6345_UART0_IRQ (IRQ_INTERNAL_BASE + 2) #define BCM_6345_UART1_IRQ 0 #define BCM_6345_DSL_IRQ (IRQ_INTERNAL_BASE + 3) @@ -569,6 +695,7 @@ enum bcm63xx_irq { * 6348 irqs */ #define BCM_6348_TIMER_IRQ (IRQ_INTERNAL_BASE + 0) +#define BCM_6348_SPI_IRQ (IRQ_INTERNAL_BASE + 1) #define BCM_6348_UART0_IRQ (IRQ_INTERNAL_BASE + 2) #define BCM_6348_UART1_IRQ 0 #define BCM_6348_DSL_IRQ (IRQ_INTERNAL_BASE + 4) @@ -599,6 +726,7 @@ enum bcm63xx_irq { * 6358 irqs */ #define BCM_6358_TIMER_IRQ (IRQ_INTERNAL_BASE + 0) +#define BCM_6358_SPI_IRQ (IRQ_INTERNAL_BASE + 1) #define BCM_6358_UART0_IRQ (IRQ_INTERNAL_BASE + 2) #define BCM_6358_UART1_IRQ (IRQ_INTERNAL_BASE + 3) #define BCM_6358_DSL_IRQ (IRQ_INTERNAL_BASE + 29) @@ -638,6 +766,7 @@ enum bcm63xx_irq { #define BCM_6368_HIGH_IRQ_BASE (IRQ_INTERNAL_BASE + 32) #define BCM_6368_TIMER_IRQ (IRQ_INTERNAL_BASE + 0) +#define BCM_6368_SPI_IRQ (IRQ_INTERNAL_BASE + 1) #define BCM_6368_UART0_IRQ (IRQ_INTERNAL_BASE + 2) #define BCM_6368_UART1_IRQ (IRQ_INTERNAL_BASE + 3) #define BCM_6368_DSL_IRQ (IRQ_INTERNAL_BASE + 4) @@ -677,6 +806,7 @@ extern const int *bcm63xx_irqs; #define __GEN_CPU_IRQ_TABLE(__cpu) \ [IRQ_TIMER] = BCM_## __cpu ##_TIMER_IRQ, \ + [IRQ_SPI] = BCM_## __cpu ##_SPI_IRQ, \ [IRQ_UART0] = BCM_## __cpu ##_UART0_IRQ, \ [IRQ_UART1] = BCM_## __cpu ##_UART1_IRQ, \ [IRQ_DSL] = BCM_## __cpu ##_DSL_IRQ, \ diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_flash.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_flash.h new file mode 100644 index 0000000..354b848 --- /dev/null +++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_flash.h @@ -0,0 +1,12 @@ +#ifndef __BCM63XX_FLASH_H +#define __BCM63XX_FLASH_H + +enum { + BCM63XX_FLASH_TYPE_PARALLEL, + BCM63XX_FLASH_TYPE_SERIAL, + BCM63XX_FLASH_TYPE_NAND, +}; + +int __init bcm63xx_flash_register(void); + +#endif /* __BCM63XX_FLASH_H */ diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_spi.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_spi.h new file mode 100644 index 0000000..7d98dbe --- /dev/null +++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_spi.h @@ -0,0 +1,89 @@ +#ifndef BCM63XX_DEV_SPI_H +#define BCM63XX_DEV_SPI_H + +#include <linux/types.h> +#include <bcm63xx_io.h> +#include <bcm63xx_regs.h> + +int __init bcm63xx_spi_register(void); + +struct bcm63xx_spi_pdata { + unsigned int fifo_size; + int bus_num; + int num_chipselect; + u32 speed_hz; +}; + +enum bcm63xx_regs_spi { + SPI_CMD, + SPI_INT_STATUS, + SPI_INT_MASK_ST, + SPI_INT_MASK, + SPI_ST, + SPI_CLK_CFG, + SPI_FILL_BYTE, + SPI_MSG_TAIL, + SPI_RX_TAIL, + SPI_MSG_CTL, + SPI_MSG_DATA, + SPI_RX_DATA, +}; + +#define __GEN_SPI_RSET_BASE(__cpu, __rset) \ + case SPI_## __rset: \ + return SPI_## __cpu ##_## __rset; + +#define __GEN_SPI_RSET(__cpu) \ + switch (reg) { \ + __GEN_SPI_RSET_BASE(__cpu, CMD) \ + __GEN_SPI_RSET_BASE(__cpu, INT_STATUS) \ + __GEN_SPI_RSET_BASE(__cpu, INT_MASK_ST) \ + __GEN_SPI_RSET_BASE(__cpu, INT_MASK) \ + __GEN_SPI_RSET_BASE(__cpu, ST) \ + __GEN_SPI_RSET_BASE(__cpu, CLK_CFG) \ + __GEN_SPI_RSET_BASE(__cpu, FILL_BYTE) \ + __GEN_SPI_RSET_BASE(__cpu, MSG_TAIL) \ + __GEN_SPI_RSET_BASE(__cpu, RX_TAIL) \ + __GEN_SPI_RSET_BASE(__cpu, MSG_CTL) \ + __GEN_SPI_RSET_BASE(__cpu, MSG_DATA) \ + __GEN_SPI_RSET_BASE(__cpu, RX_DATA) \ + } + +#define __GEN_SPI_REGS_TABLE(__cpu) \ + [SPI_CMD] = SPI_## __cpu ##_CMD, \ + [SPI_INT_STATUS] = SPI_## __cpu ##_INT_STATUS, \ + [SPI_INT_MASK_ST] = SPI_## __cpu ##_INT_MASK_ST, \ + [SPI_INT_MASK] = SPI_## __cpu ##_INT_MASK, \ + [SPI_ST] = SPI_## __cpu ##_ST, \ + [SPI_CLK_CFG] = SPI_## __cpu ##_CLK_CFG, \ + [SPI_FILL_BYTE] = SPI_## __cpu ##_FILL_BYTE, \ + [SPI_MSG_TAIL] = SPI_## __cpu ##_MSG_TAIL, \ + [SPI_RX_TAIL] = SPI_## __cpu ##_RX_TAIL, \ + [SPI_MSG_CTL] = SPI_## __cpu ##_MSG_CTL, \ + [SPI_MSG_DATA] = SPI_## __cpu ##_MSG_DATA, \ + [SPI_RX_DATA] = SPI_## __cpu ##_RX_DATA, + +static inline unsigned long bcm63xx_spireg(enum bcm63xx_regs_spi reg) +{ +#ifdef BCMCPU_RUNTIME_DETECT + extern const unsigned long *bcm63xx_regs_spi; + + return bcm63xx_regs_spi[reg]; +#else +#ifdef CONFIG_BCM63XX_CPU_6338 + __GEN_SPI_RSET(6338) +#endif +#ifdef CONFIG_BCM63XX_CPU_6348 + __GEN_SPI_RSET(6348) +#endif +#ifdef CONFIG_BCM63XX_CPU_6358 + __GEN_SPI_RSET(6358) +#endif +#ifdef CONFIG_BCM63XX_CPU_6368 + __GEN_SPI_RSET(6368) +#endif +#endif + return 0; +} + +#endif /* BCM63XX_DEV_SPI_H */ diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_gpio.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_gpio.h index 1d7dd96..0a9891f 100644 --- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_gpio.h +++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_gpio.h @@ -9,6 +9,8 @@ int __init bcm63xx_gpio_init(void); static inline unsigned long bcm63xx_gpio_count(void) { switch (bcm63xx_get_cpu_id()) { + case BCM6328_CPU_ID: + return 32; case BCM6358_CPU_ID: return 40; case BCM6338_CPU_ID: diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_io.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_io.h index 72477a6..9203d90 100644 --- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_io.h +++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_io.h @@ -40,6 +40,10 @@ #define BCM_CB_MEM_END_PA (BCM_CB_MEM_BASE_PA + \ BCM_CB_MEM_SIZE - 1) +#define BCM_PCIE_MEM_BASE_PA 0x10f00000 +#define BCM_PCIE_MEM_SIZE (16 * 1024 * 1024) +#define BCM_PCIE_MEM_END_PA (BCM_PCIE_MEM_BASE_PA + \ + BCM_PCIE_MEM_SIZE - 1) /* * Internal registers are accessed through KSEG3 @@ -85,11 +89,15 @@ #define bcm_mpi_writel(v, o) bcm_rset_writel(RSET_MPI, (v), (o)) #define bcm_pcmcia_readl(o) bcm_rset_readl(RSET_PCMCIA, (o)) #define bcm_pcmcia_writel(v, o) bcm_rset_writel(RSET_PCMCIA, (v), (o)) +#define bcm_pcie_readl(o) bcm_rset_readl(RSET_PCIE, (o)) +#define bcm_pcie_writel(v, o) bcm_rset_writel(RSET_PCIE, (v), (o)) #define bcm_sdram_readl(o) bcm_rset_readl(RSET_SDRAM, (o)) #define bcm_sdram_writel(v, o) bcm_rset_writel(RSET_SDRAM, (v), (o)) #define bcm_memc_readl(o) bcm_rset_readl(RSET_MEMC, (o)) #define bcm_memc_writel(v, o) bcm_rset_writel(RSET_MEMC, (v), (o)) #define bcm_ddr_readl(o) bcm_rset_readl(RSET_DDR, (o)) #define bcm_ddr_writel(v, o) bcm_rset_writel(RSET_DDR, (v), (o)) +#define bcm_misc_readl(o) bcm_rset_readl(RSET_MISC, (o)) +#define bcm_misc_writel(v, o) bcm_rset_writel(RSET_MISC, (v), (o)) #endif /* ! BCM63XX_IO_H_ */ diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h index fdcd78c..4ccc2a7 100644 --- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h +++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h @@ -15,6 +15,30 @@ /* Clock Control register */ #define PERF_CKCTL_REG 0x4 +#define CKCTL_6328_PHYMIPS_EN (1 << 0) +#define CKCTL_6328_ADSL_QPROC_EN (1 << 1) +#define CKCTL_6328_ADSL_AFE_EN (1 << 2) +#define CKCTL_6328_ADSL_EN (1 << 3) +#define CKCTL_6328_MIPS_EN (1 << 4) +#define CKCTL_6328_SAR_EN (1 << 5) +#define CKCTL_6328_PCM_EN (1 << 6) +#define CKCTL_6328_USBD_EN (1 << 7) +#define CKCTL_6328_USBH_EN (1 << 8) +#define CKCTL_6328_HSSPI_EN (1 << 9) +#define CKCTL_6328_PCIE_EN (1 << 10) +#define CKCTL_6328_ROBOSW_EN (1 << 11) + +#define CKCTL_6328_ALL_SAFE_EN (CKCTL_6328_PHYMIPS_EN | \ + CKCTL_6328_ADSL_QPROC_EN | \ + CKCTL_6328_ADSL_AFE_EN | \ + CKCTL_6328_ADSL_EN | \ + CKCTL_6328_SAR_EN | \ + CKCTL_6328_PCM_EN | \ + CKCTL_6328_USBD_EN | \ + CKCTL_6328_USBH_EN | \ + CKCTL_6328_ROBOSW_EN | \ + CKCTL_6328_PCIE_EN) + #define CKCTL_6338_ADSLPHY_EN (1 << 0) #define CKCTL_6338_MPI_EN (1 << 1) #define CKCTL_6338_DRAM_EN (1 << 2) @@ -90,35 +114,36 @@ #define CKCTL_6368_PHYMIPS_EN (1 << 6) #define CKCTL_6368_SWPKT_USB_EN (1 << 7) #define CKCTL_6368_SWPKT_SAR_EN (1 << 8) -#define CKCTL_6368_SPI_CLK_EN (1 << 9) -#define CKCTL_6368_USBD_CLK_EN (1 << 10) -#define CKCTL_6368_SAR_CLK_EN (1 << 11) -#define CKCTL_6368_ROBOSW_CLK_EN (1 << 12) -#define CKCTL_6368_UTOPIA_CLK_EN (1 << 13) -#define CKCTL_6368_PCM_CLK_EN (1 << 14) -#define CKCTL_6368_USBH_CLK_EN (1 << 15) +#define CKCTL_6368_SPI_EN (1 << 9) +#define CKCTL_6368_USBD_EN (1 << 10) +#define CKCTL_6368_SAR_EN (1 << 11) +#define CKCTL_6368_ROBOSW_EN (1 << 12) +#define CKCTL_6368_UTOPIA_EN (1 << 13) +#define CKCTL_6368_PCM_EN (1 << 14) +#define CKCTL_6368_USBH_EN (1 << 15) #define CKCTL_6368_DISABLE_GLESS_EN (1 << 16) -#define CKCTL_6368_NAND_CLK_EN (1 << 17) -#define CKCTL_6368_IPSEC_CLK_EN (1 << 18) +#define CKCTL_6368_NAND_EN (1 << 17) +#define CKCTL_6368_IPSEC_EN (1 << 18) #define CKCTL_6368_ALL_SAFE_EN (CKCTL_6368_SWPKT_USB_EN | \ CKCTL_6368_SWPKT_SAR_EN | \ - CKCTL_6368_SPI_CLK_EN | \ - CKCTL_6368_USBD_CLK_EN | \ - CKCTL_6368_SAR_CLK_EN | \ - CKCTL_6368_ROBOSW_CLK_EN | \ - CKCTL_6368_UTOPIA_CLK_EN | \ - CKCTL_6368_PCM_CLK_EN | \ - CKCTL_6368_USBH_CLK_EN | \ + CKCTL_6368_SPI_EN | \ + CKCTL_6368_USBD_EN | \ + CKCTL_6368_SAR_EN | \ + CKCTL_6368_ROBOSW_EN | \ + CKCTL_6368_UTOPIA_EN | \ + CKCTL_6368_PCM_EN | \ + CKCTL_6368_USBH_EN | \ CKCTL_6368_DISABLE_GLESS_EN | \ - CKCTL_6368_NAND_CLK_EN | \ - CKCTL_6368_IPSEC_CLK_EN) + CKCTL_6368_NAND_EN | \ + CKCTL_6368_IPSEC_EN) /* System PLL Control register */ #define PERF_SYS_PLL_CTL_REG 0x8 #define SYS_PLL_SOFT_RESET 0x1 /* Interrupt Mask register */ +#define PERF_IRQMASK_6328_REG 0x20 #define PERF_IRQMASK_6338_REG 0xc #define PERF_IRQMASK_6345_REG 0xc #define PERF_IRQMASK_6348_REG 0xc @@ -126,6 +151,7 @@ #define PERF_IRQMASK_6368_REG 0x20 /* Interrupt Status register */ +#define PERF_IRQSTAT_6328_REG 0x28 #define PERF_IRQSTAT_6338_REG 0x10 #define PERF_IRQSTAT_6345_REG 0x10 #define PERF_IRQSTAT_6348_REG 0x10 @@ -133,6 +159,7 @@ #define PERF_IRQSTAT_6368_REG 0x28 /* External Interrupt Configuration register */ +#define PERF_EXTIRQ_CFG_REG_6328 0x18 #define PERF_EXTIRQ_CFG_REG_6338 0x14 #define PERF_EXTIRQ_CFG_REG_6348 0x14 #define PERF_EXTIRQ_CFG_REG_6358 0x14 @@ -162,8 +189,21 @@ /* Soft Reset register */ #define PERF_SOFTRESET_REG 0x28 +#define PERF_SOFTRESET_6328_REG 0x10 #define PERF_SOFTRESET_6368_REG 0x10 +#define SOFTRESET_6328_SPI_MASK (1 << 0) +#define SOFTRESET_6328_EPHY_MASK (1 << 1) +#define SOFTRESET_6328_SAR_MASK (1 << 2) +#define SOFTRESET_6328_ENETSW_MASK (1 << 3) +#define SOFTRESET_6328_USBS_MASK (1 << 4) +#define SOFTRESET_6328_USBH_MASK (1 << 5) +#define SOFTRESET_6328_PCM_MASK (1 << 6) +#define SOFTRESET_6328_PCIE_CORE_MASK (1 << 7) +#define SOFTRESET_6328_PCIE_MASK (1 << 8) +#define SOFTRESET_6328_PCIE_EXT_MASK (1 << 9) +#define SOFTRESET_6328_PCIE_HARD_MASK (1 << 10) + #define SOFTRESET_6338_SPI_MASK (1 << 0) #define SOFTRESET_6338_ENET_MASK (1 << 2) #define SOFTRESET_6338_USBH_MASK (1 << 3) @@ -307,6 +347,8 @@ /* Watchdog reset length register */ #define WDT_RSTLEN_REG 0x8 +/* Watchdog soft reset register (BCM6328 only) */ +#define WDT_SOFTRESET_REG 0xc /************************************************************************* * _REG relative to RSET_UARTx @@ -507,6 +549,15 @@ #define GPIO_BASEMODE_6368_MASK 0x7 /* those bits must be kept as read in gpio basemode register*/ +#define GPIO_STRAPBUS_REG 0x40 +#define STRAPBUS_6358_BOOT_SEL_PARALLEL (1 << 1) +#define STRAPBUS_6358_BOOT_SEL_SERIAL (0 << 1) +#define STRAPBUS_6368_BOOT_SEL_MASK 0x3 +#define STRAPBUS_6368_BOOT_SEL_NAND 0 +#define STRAPBUS_6368_BOOT_SEL_SERIAL 1 +#define STRAPBUS_6368_BOOT_SEL_PARALLEL 3 + + /************************************************************************* * _REG relative to RSET_ENET *************************************************************************/ @@ -924,6 +975,8 @@ * _REG relative to RSET_DDR *************************************************************************/ +#define DDR_CSEND_REG 0x8 + #define DDR_DMIPSPLLCFG_REG 0x18 #define DMIPSPLLCFG_M1_SHIFT 0 #define DMIPSPLLCFG_M1_MASK (0xff << DMIPSPLLCFG_M1_SHIFT) @@ -973,4 +1026,201 @@ #define M2M_SRCID_REG(x) ((x) * 0x40 + 0x14) #define M2M_DSTID_REG(x) ((x) * 0x40 + 0x18) +/************************************************************************* + * _REG relative to RSET_RNG + *************************************************************************/ + +#define RNG_CTRL 0x00 +#define RNG_EN (1 << 0) + +#define RNG_STAT 0x04 +#define RNG_AVAIL_MASK (0xff000000) + +#define RNG_DATA 0x08 +#define RNG_THRES 0x0c +#define RNG_MASK 0x10 + +/************************************************************************* + * _REG relative to RSET_SPI + *************************************************************************/ + +/* BCM 6338 SPI core */ +#define SPI_6338_CMD 0x00 /* 16-bits register */ +#define SPI_6338_INT_STATUS 0x02 +#define SPI_6338_INT_MASK_ST 0x03 +#define SPI_6338_INT_MASK 0x04 +#define SPI_6338_ST 0x05 +#define SPI_6338_CLK_CFG 0x06 +#define SPI_6338_FILL_BYTE 0x07 +#define SPI_6338_MSG_TAIL 0x09 +#define SPI_6338_RX_TAIL 0x0b +#define SPI_6338_MSG_CTL 0x40 +#define SPI_6338_MSG_DATA 0x41 +#define SPI_6338_MSG_DATA_SIZE 0x3f +#define SPI_6338_RX_DATA 0x80 +#define SPI_6338_RX_DATA_SIZE 0x3f + +/* BCM 6348 SPI core */ +#define SPI_6348_CMD 0x00 /* 16-bits register */ +#define SPI_6348_INT_STATUS 0x02 +#define SPI_6348_INT_MASK_ST 0x03 +#define SPI_6348_INT_MASK 0x04 +#define SPI_6348_ST 0x05 +#define SPI_6348_CLK_CFG 0x06 +#define SPI_6348_FILL_BYTE 0x07 +#define SPI_6348_MSG_TAIL 0x09 +#define SPI_6348_RX_TAIL 0x0b +#define SPI_6348_MSG_CTL 0x40 +#define SPI_6348_MSG_DATA 0x41 +#define SPI_6348_MSG_DATA_SIZE 0x3f +#define SPI_6348_RX_DATA 0x80 +#define SPI_6348_RX_DATA_SIZE 0x3f + +/* BCM 6358 SPI core */ +#define SPI_6358_MSG_CTL 0x00 /* 16-bits register */ +#define SPI_6358_MSG_DATA 0x02 +#define SPI_6358_MSG_DATA_SIZE 0x21e +#define SPI_6358_RX_DATA 0x400 +#define SPI_6358_RX_DATA_SIZE 0x220 +#define SPI_6358_CMD 0x700 /* 16-bits register */ +#define SPI_6358_INT_STATUS 0x702 +#define SPI_6358_INT_MASK_ST 0x703 +#define SPI_6358_INT_MASK 0x704 +#define SPI_6358_ST 0x705 +#define SPI_6358_CLK_CFG 0x706 +#define SPI_6358_FILL_BYTE 0x707 +#define SPI_6358_MSG_TAIL 0x709 +#define SPI_6358_RX_TAIL 0x70B + +/* BCM 6358 SPI core */ +#define SPI_6368_MSG_CTL 0x00 /* 16-bits register */ +#define SPI_6368_MSG_DATA 0x02 +#define SPI_6368_MSG_DATA_SIZE 0x21e +#define SPI_6368_RX_DATA 0x400 +#define SPI_6368_RX_DATA_SIZE 0x220 +#define SPI_6368_CMD 0x700 /* 16-bits register */ +#define SPI_6368_INT_STATUS 0x702 +#define SPI_6368_INT_MASK_ST 0x703 +#define SPI_6368_INT_MASK 0x704 +#define SPI_6368_ST 0x705 +#define SPI_6368_CLK_CFG 0x706 +#define SPI_6368_FILL_BYTE 0x707 +#define SPI_6368_MSG_TAIL 0x709 +#define SPI_6368_RX_TAIL 0x70B + +/* Shared SPI definitions */ + +/* Message configuration */ +#define SPI_FD_RW 0x00 +#define SPI_HD_W 0x01 +#define SPI_HD_R 0x02 +#define SPI_BYTE_CNT_SHIFT 0 +#define SPI_MSG_TYPE_SHIFT 14 + +/* Command */ +#define SPI_CMD_NOOP 0x00 +#define SPI_CMD_SOFT_RESET 0x01 +#define SPI_CMD_HARD_RESET 0x02 +#define SPI_CMD_START_IMMEDIATE 0x03 +#define SPI_CMD_COMMAND_SHIFT 0 +#define SPI_CMD_COMMAND_MASK 0x000f +#define SPI_CMD_DEVICE_ID_SHIFT 4 +#define SPI_CMD_PREPEND_BYTE_CNT_SHIFT 8 +#define SPI_CMD_ONE_BYTE_SHIFT 11 +#define SPI_CMD_ONE_WIRE_SHIFT 12 +#define SPI_DEV_ID_0 0 +#define SPI_DEV_ID_1 1 +#define SPI_DEV_ID_2 2 +#define SPI_DEV_ID_3 3 + +/* Interrupt mask */ +#define SPI_INTR_CMD_DONE 0x01 +#define SPI_INTR_RX_OVERFLOW 0x02 +#define SPI_INTR_TX_UNDERFLOW 0x04 +#define SPI_INTR_TX_OVERFLOW 0x08 +#define SPI_INTR_RX_UNDERFLOW 0x10 +#define SPI_INTR_CLEAR_ALL 0x1f + +/* Status */ +#define SPI_RX_EMPTY 0x02 +#define SPI_CMD_BUSY 0x04 +#define SPI_SERIAL_BUSY 0x08 + +/* Clock configuration */ +#define SPI_CLK_20MHZ 0x00 +#define SPI_CLK_0_391MHZ 0x01 +#define SPI_CLK_0_781MHZ 0x02 /* default */ +#define SPI_CLK_1_563MHZ 0x03 +#define SPI_CLK_3_125MHZ 0x04 +#define SPI_CLK_6_250MHZ 0x05 +#define SPI_CLK_12_50MHZ 0x06 +#define SPI_CLK_MASK 0x07 +#define SPI_SSOFFTIME_MASK 0x38 +#define SPI_SSOFFTIME_SHIFT 3 +#define SPI_BYTE_SWAP 0x80 + +/************************************************************************* + * _REG relative to RSET_MISC + *************************************************************************/ +#define MISC_SERDES_CTRL_REG 0x0 +#define SERDES_PCIE_EN (1 << 0) +#define SERDES_PCIE_EXD_EN (1 << 15) + +#define MISC_STRAPBUS_6328_REG 0x240 +#define STRAPBUS_6328_FCVO_SHIFT 7 +#define STRAPBUS_6328_FCVO_MASK (0x1f << STRAPBUS_6328_FCVO_SHIFT) +#define STRAPBUS_6328_BOOT_SEL_SERIAL (1 << 28) +#define STRAPBUS_6328_BOOT_SEL_NAND (0 << 28) + +/************************************************************************* + * _REG relative to RSET_PCIE + *************************************************************************/ + +#define PCIE_CONFIG2_REG 0x408 +#define CONFIG2_BAR1_SIZE_EN 1 +#define CONFIG2_BAR1_SIZE_MASK 0xf + +#define PCIE_IDVAL3_REG 0x43c +#define IDVAL3_CLASS_CODE_MASK 0xffffff +#define IDVAL3_SUBCLASS_SHIFT 8 +#define IDVAL3_CLASS_SHIFT 16 + +#define PCIE_DLSTATUS_REG 0x1048 +#define DLSTATUS_PHYLINKUP (1 << 13) + +#define PCIE_BRIDGE_OPT1_REG 0x2820 +#define OPT1_RD_BE_OPT_EN (1 << 7) +#define OPT1_RD_REPLY_BE_FIX_EN (1 << 9) +#define OPT1_PCIE_BRIDGE_HOLE_DET_EN (1 << 11) +#define OPT1_L1_INT_STATUS_MASK_POL (1 << 12) + +#define PCIE_BRIDGE_OPT2_REG 0x2824 +#define OPT2_UBUS_UR_DECODE_DIS (1 << 2) +#define OPT2_TX_CREDIT_CHK_EN (1 << 4) +#define OPT2_CFG_TYPE1_BD_SEL (1 << 7) +#define OPT2_CFG_TYPE1_BUS_NO_SHIFT 16 +#define OPT2_CFG_TYPE1_BUS_NO_MASK (0xff << OPT2_CFG_TYPE1_BUS_NO_SHIFT) + +#define PCIE_BRIDGE_BAR0_BASEMASK_REG 0x2828 +#define PCIE_BRIDGE_BAR1_BASEMASK_REG 0x2830 +#define BASEMASK_REMAP_EN (1 << 0) +#define BASEMASK_SWAP_EN (1 << 1) +#define BASEMASK_MASK_SHIFT 4 +#define BASEMASK_MASK_MASK (0xfff << BASEMASK_MASK_SHIFT) +#define BASEMASK_BASE_SHIFT 20 +#define BASEMASK_BASE_MASK (0xfff << BASEMASK_BASE_SHIFT) + +#define PCIE_BRIDGE_BAR0_REBASE_ADDR_REG 0x282c +#define PCIE_BRIDGE_BAR1_REBASE_ADDR_REG 0x2834 +#define REBASE_ADDR_BASE_SHIFT 20 +#define REBASE_ADDR_BASE_MASK (0xfff << REBASE_ADDR_BASE_SHIFT) + +#define PCIE_BRIDGE_RC_INT_MASK_REG 0x2854 +#define PCIE_RC_INT_A (1 << 0) +#define PCIE_RC_INT_B (1 << 1) +#define PCIE_RC_INT_C (1 << 2) +#define PCIE_RC_INT_D (1 << 3) + +#define PCIE_DEVICE_OFFSET 0x8000 + #endif /* BCM63XX_REGS_H_ */ diff --git a/arch/mips/include/asm/mach-bcm63xx/ioremap.h b/arch/mips/include/asm/mach-bcm63xx/ioremap.h index ef94ba7..30931c4 100644 --- a/arch/mips/include/asm/mach-bcm63xx/ioremap.h +++ b/arch/mips/include/asm/mach-bcm63xx/ioremap.h @@ -18,6 +18,7 @@ static inline int is_bcm63xx_internal_registers(phys_t offset) if (offset >= 0xfff00000) return 1; break; + case BCM6328_CPU_ID: case BCM6368_CPU_ID: if (offset >= 0xb0000000 && offset < 0xb1000000) return 1; diff --git a/arch/mips/include/asm/mach-cavium-octeon/irq.h b/arch/mips/include/asm/mach-cavium-octeon/irq.h index 5b05f18..4189920 100644 --- a/arch/mips/include/asm/mach-cavium-octeon/irq.h +++ b/arch/mips/include/asm/mach-cavium-octeon/irq.h @@ -41,61 +41,26 @@ enum octeon_irq { OCTEON_IRQ_TWSI, OCTEON_IRQ_TWSI2, OCTEON_IRQ_RML, - OCTEON_IRQ_TRACE0, - OCTEON_IRQ_GMX_DRP0 = OCTEON_IRQ_TRACE0 + 4, - OCTEON_IRQ_IPD_DRP = OCTEON_IRQ_GMX_DRP0 + 5, - OCTEON_IRQ_KEY_ZERO, OCTEON_IRQ_TIMER0, OCTEON_IRQ_TIMER1, OCTEON_IRQ_TIMER2, OCTEON_IRQ_TIMER3, OCTEON_IRQ_USB0, OCTEON_IRQ_USB1, - OCTEON_IRQ_PCM, - OCTEON_IRQ_MPI, - OCTEON_IRQ_POWIQ, - OCTEON_IRQ_IPDPPTHR, OCTEON_IRQ_MII0, OCTEON_IRQ_MII1, OCTEON_IRQ_BOOTDMA, - - OCTEON_IRQ_NAND, - OCTEON_IRQ_MIO, /* Summary of MIO_BOOT_ERR */ - OCTEON_IRQ_IOB, /* Summary of IOB_INT_SUM */ - OCTEON_IRQ_FPA, /* Summary of FPA_INT_SUM */ - OCTEON_IRQ_POW, /* Summary of POW_ECC_ERR */ - OCTEON_IRQ_L2C, /* Summary of L2C_INT_STAT */ - OCTEON_IRQ_IPD, /* Summary of IPD_INT_SUM */ - OCTEON_IRQ_PIP, /* Summary of PIP_INT_REG */ - OCTEON_IRQ_PKO, /* Summary of PKO_REG_ERROR */ - OCTEON_IRQ_ZIP, /* Summary of ZIP_ERROR */ - OCTEON_IRQ_TIM, /* Summary of TIM_REG_ERROR */ - OCTEON_IRQ_RAD, /* Summary of RAD_REG_ERROR */ - OCTEON_IRQ_KEY, /* Summary of KEY_INT_SUM */ - OCTEON_IRQ_DFA, /* Summary of DFA */ - OCTEON_IRQ_USBCTL, /* Summary of USBN0_INT_SUM */ - OCTEON_IRQ_SLI, /* Summary of SLI_INT_SUM */ - OCTEON_IRQ_DPI, /* Summary of DPI_INT_SUM */ - OCTEON_IRQ_AGX0, /* Summary of GMX0*+PCS0_INT*_REG */ - OCTEON_IRQ_AGL = OCTEON_IRQ_AGX0 + 5, - OCTEON_IRQ_PTP, - OCTEON_IRQ_PEM0, - OCTEON_IRQ_PEM1, - OCTEON_IRQ_SRIO0, - OCTEON_IRQ_SRIO1, - OCTEON_IRQ_LMC0, - OCTEON_IRQ_DFM = OCTEON_IRQ_LMC0 + 4, /* Summary of DFM */ - OCTEON_IRQ_RST, +#ifndef CONFIG_PCI_MSI + OCTEON_IRQ_LAST = 127 +#endif }; #ifdef CONFIG_PCI_MSI -/* 152 - 407 represent the MSI interrupts 0-255 */ -#define OCTEON_IRQ_MSI_BIT0 (OCTEON_IRQ_RST + 1) +/* 256 - 511 represent the MSI interrupts 0-255 */ +#define OCTEON_IRQ_MSI_BIT0 (256) #define OCTEON_IRQ_MSI_LAST (OCTEON_IRQ_MSI_BIT0 + 255) #define OCTEON_IRQ_LAST (OCTEON_IRQ_MSI_LAST + 1) -#else -#define OCTEON_IRQ_LAST (OCTEON_IRQ_RST + 1) #endif #endif diff --git a/arch/mips/include/asm/mach-jz4740/jz4740_nand.h b/arch/mips/include/asm/mach-jz4740/jz4740_nand.h index bb5b9a4..986982d 100644 --- a/arch/mips/include/asm/mach-jz4740/jz4740_nand.h +++ b/arch/mips/include/asm/mach-jz4740/jz4740_nand.h @@ -19,6 +19,8 @@ #include <linux/mtd/nand.h> #include <linux/mtd/partitions.h> +#define JZ_NAND_NUM_BANKS 4 + struct jz_nand_platform_data { int num_partitions; struct mtd_partition *partitions; @@ -27,6 +29,8 @@ struct jz_nand_platform_data { unsigned int busy_gpio; + unsigned char banks[JZ_NAND_NUM_BANKS]; + void (*ident_callback)(struct platform_device *, struct nand_chip *, struct mtd_partition **, int *num_partitions); }; diff --git a/arch/mips/include/asm/mach-loongson/loongson.h b/arch/mips/include/asm/mach-loongson/loongson.h index 1e29b9d..5222a00 100644 --- a/arch/mips/include/asm/mach-loongson/loongson.h +++ b/arch/mips/include/asm/mach-loongson/loongson.h @@ -14,6 +14,7 @@ #include <linux/io.h> #include <linux/init.h> #include <linux/irq.h> +#include <linux/kconfig.h> /* loongson internal northbridge initialization */ extern void bonito_irq_init(void); @@ -66,7 +67,7 @@ extern int mach_i8259_irq(void); #include <linux/interrupt.h> static inline void do_perfcnt_IRQ(void) { -#if defined(CONFIG_OPROFILE) || defined(CONFIG_OPROFILE_MODULE) +#if IS_ENABLED(CONFIG_OPROFILE) do_IRQ(LOONGSON2_PERFCNT_IRQ); #endif } @@ -244,7 +245,6 @@ static inline void do_perfcnt_IRQ(void) #ifdef CONFIG_CPU_SUPPORTS_CPUFREQ #include <linux/cpufreq.h> -extern void loongson2_cpu_wait(void); extern struct cpufreq_frequency_table loongson2_clockmod_table[]; /* Chip Config */ diff --git a/arch/mips/include/asm/mach-loongson1/irq.h b/arch/mips/include/asm/mach-loongson1/irq.h new file mode 100644 index 0000000..da96ed4 --- /dev/null +++ b/arch/mips/include/asm/mach-loongson1/irq.h @@ -0,0 +1,73 @@ +/* + * Copyright (c) 2011 Zhang, Keguang <keguang.zhang@gmail.com> + * + * IRQ mappings for Loongson 1 + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + + +#ifndef __ASM_MACH_LOONGSON1_IRQ_H +#define __ASM_MACH_LOONGSON1_IRQ_H + +/* + * CPU core Interrupt Numbers + */ +#define MIPS_CPU_IRQ_BASE 0 +#define MIPS_CPU_IRQ(x) (MIPS_CPU_IRQ_BASE + (x)) + +#define SOFTINT0_IRQ MIPS_CPU_IRQ(0) +#define SOFTINT1_IRQ MIPS_CPU_IRQ(1) +#define INT0_IRQ MIPS_CPU_IRQ(2) +#define INT1_IRQ MIPS_CPU_IRQ(3) +#define INT2_IRQ MIPS_CPU_IRQ(4) +#define INT3_IRQ MIPS_CPU_IRQ(5) +#define INT4_IRQ MIPS_CPU_IRQ(6) +#define TIMER_IRQ MIPS_CPU_IRQ(7) /* cpu timer */ + +#define MIPS_CPU_IRQS (MIPS_CPU_IRQ(7) + 1 - MIPS_CPU_IRQ_BASE) + +/* + * INT0~3 Interrupt Numbers + */ +#define LS1X_IRQ_BASE MIPS_CPU_IRQS +#define LS1X_IRQ(n, x) (LS1X_IRQ_BASE + (n << 5) + (x)) + +#define LS1X_UART0_IRQ LS1X_IRQ(0, 2) +#define LS1X_UART1_IRQ LS1X_IRQ(0, 3) +#define LS1X_UART2_IRQ LS1X_IRQ(0, 4) +#define LS1X_UART3_IRQ LS1X_IRQ(0, 5) +#define LS1X_CAN0_IRQ LS1X_IRQ(0, 6) +#define LS1X_CAN1_IRQ LS1X_IRQ(0, 7) +#define LS1X_SPI0_IRQ LS1X_IRQ(0, 8) +#define LS1X_SPI1_IRQ LS1X_IRQ(0, 9) +#define LS1X_AC97_IRQ LS1X_IRQ(0, 10) +#define LS1X_DMA0_IRQ LS1X_IRQ(0, 13) +#define LS1X_DMA1_IRQ LS1X_IRQ(0, 14) +#define LS1X_DMA2_IRQ LS1X_IRQ(0, 15) +#define LS1X_PWM0_IRQ LS1X_IRQ(0, 17) +#define LS1X_PWM1_IRQ LS1X_IRQ(0, 18) +#define LS1X_PWM2_IRQ LS1X_IRQ(0, 19) +#define LS1X_PWM3_IRQ LS1X_IRQ(0, 20) +#define LS1X_RTC_INT0_IRQ LS1X_IRQ(0, 21) +#define LS1X_RTC_INT1_IRQ LS1X_IRQ(0, 22) +#define LS1X_RTC_INT2_IRQ LS1X_IRQ(0, 23) +#define LS1X_TOY_INT0_IRQ LS1X_IRQ(0, 24) +#define LS1X_TOY_INT1_IRQ LS1X_IRQ(0, 25) +#define LS1X_TOY_INT2_IRQ LS1X_IRQ(0, 26) +#define LS1X_RTC_TICK_IRQ LS1X_IRQ(0, 27) +#define LS1X_TOY_TICK_IRQ LS1X_IRQ(0, 28) + +#define LS1X_EHCI_IRQ LS1X_IRQ(1, 0) +#define LS1X_OHCI_IRQ LS1X_IRQ(1, 1) +#define LS1X_GMAC0_IRQ LS1X_IRQ(1, 2) +#define LS1X_GMAC1_IRQ LS1X_IRQ(1, 3) + +#define LS1X_IRQS (LS1X_IRQ(4, 31) + 1 - LS1X_IRQ_BASE) + +#define NR_IRQS (MIPS_CPU_IRQS + LS1X_IRQS) + +#endif /* __ASM_MACH_LOONGSON1_IRQ_H */ diff --git a/arch/mips/include/asm/mach-loongson1/loongson1.h b/arch/mips/include/asm/mach-loongson1/loongson1.h new file mode 100644 index 0000000..4e18e88 --- /dev/null +++ b/arch/mips/include/asm/mach-loongson1/loongson1.h @@ -0,0 +1,44 @@ +/* + * Copyright (c) 2011 Zhang, Keguang <keguang.zhang@gmail.com> + * + * Register mappings for Loongson 1 + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + + +#ifndef __ASM_MACH_LOONGSON1_LOONGSON1_H +#define __ASM_MACH_LOONGSON1_LOONGSON1_H + +#define DEFAULT_MEMSIZE 256 /* If no memsize provided */ + +/* Loongson 1 Register Bases */ +#define LS1X_INTC_BASE 0x1fd01040 +#define LS1X_EHCI_BASE 0x1fe00000 +#define LS1X_OHCI_BASE 0x1fe08000 +#define LS1X_GMAC0_BASE 0x1fe10000 +#define LS1X_GMAC1_BASE 0x1fe20000 + +#define LS1X_UART0_BASE 0x1fe40000 +#define LS1X_UART1_BASE 0x1fe44000 +#define LS1X_UART2_BASE 0x1fe48000 +#define LS1X_UART3_BASE 0x1fe4c000 +#define LS1X_CAN0_BASE 0x1fe50000 +#define LS1X_CAN1_BASE 0x1fe54000 +#define LS1X_I2C0_BASE 0x1fe58000 +#define LS1X_I2C1_BASE 0x1fe68000 +#define LS1X_I2C2_BASE 0x1fe70000 +#define LS1X_PWM_BASE 0x1fe5c000 +#define LS1X_WDT_BASE 0x1fe5c060 +#define LS1X_RTC_BASE 0x1fe64000 +#define LS1X_AC97_BASE 0x1fe74000 +#define LS1X_NAND_BASE 0x1fe78000 +#define LS1X_CLK_BASE 0x1fe78030 + +#include <regs-clk.h> +#include <regs-wdt.h> + +#endif /* __ASM_MACH_LOONGSON1_LOONGSON1_H */ diff --git a/arch/mips/include/asm/mach-loongson1/platform.h b/arch/mips/include/asm/mach-loongson1/platform.h new file mode 100644 index 0000000..2f17161 --- /dev/null +++ b/arch/mips/include/asm/mach-loongson1/platform.h @@ -0,0 +1,23 @@ +/* + * Copyright (c) 2011 Zhang, Keguang <keguang.zhang@gmail.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + + +#ifndef __ASM_MACH_LOONGSON1_PLATFORM_H +#define __ASM_MACH_LOONGSON1_PLATFORM_H + +#include <linux/platform_device.h> + +extern struct platform_device ls1x_uart_device; +extern struct platform_device ls1x_eth0_device; +extern struct platform_device ls1x_ehci_device; +extern struct platform_device ls1x_rtc_device; + +void ls1x_serial_setup(void); + +#endif /* __ASM_MACH_LOONGSON1_PLATFORM_H */ diff --git a/arch/mips/include/asm/mach-loongson1/prom.h b/arch/mips/include/asm/mach-loongson1/prom.h new file mode 100644 index 0000000..b871dc4 --- /dev/null +++ b/arch/mips/include/asm/mach-loongson1/prom.h @@ -0,0 +1,24 @@ +/* + * Copyright (c) 2011 Zhang, Keguang <keguang.zhang@gmail.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#ifndef __ASM_MACH_LOONGSON1_PROM_H +#define __ASM_MACH_LOONGSON1_PROM_H + +#include <linux/io.h> +#include <linux/init.h> +#include <linux/irq.h> + +/* environment arguments from bootloader */ +extern unsigned long memsize, highmemsize; + +/* loongson-specific command line, env and memory initialization */ +extern char *prom_getenv(char *name); +extern void __init prom_init_cmdline(void); + +#endif /* __ASM_MACH_LOONGSON1_PROM_H */ diff --git a/arch/mips/include/asm/mach-loongson1/regs-clk.h b/arch/mips/include/asm/mach-loongson1/regs-clk.h new file mode 100644 index 0000000..8efa7fb --- /dev/null +++ b/arch/mips/include/asm/mach-loongson1/regs-clk.h @@ -0,0 +1,33 @@ +/* + * Copyright (c) 2011 Zhang, Keguang <keguang.zhang@gmail.com> + * + * Loongson 1 Clock Register Definitions. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#ifndef __ASM_MACH_LOONGSON1_REGS_CLK_H +#define __ASM_MACH_LOONGSON1_REGS_CLK_H + +#define LS1X_CLK_REG(x) \ + ((void __iomem *)KSEG1ADDR(LS1X_CLK_BASE + (x))) + +#define LS1X_CLK_PLL_FREQ LS1X_CLK_REG(0x0) +#define LS1X_CLK_PLL_DIV LS1X_CLK_REG(0x4) + +/* Clock PLL Divisor Register Bits */ +#define DIV_DC_EN (0x1 << 31) +#define DIV_DC (0x1f << 26) +#define DIV_CPU_EN (0x1 << 25) +#define DIV_CPU (0x1f << 20) +#define DIV_DDR_EN (0x1 << 19) +#define DIV_DDR (0x1f << 14) + +#define DIV_DC_SHIFT 26 +#define DIV_CPU_SHIFT 20 +#define DIV_DDR_SHIFT 14 + +#endif /* __ASM_MACH_LOONGSON1_REGS_CLK_H */ diff --git a/arch/mips/include/asm/mach-loongson1/regs-wdt.h b/arch/mips/include/asm/mach-loongson1/regs-wdt.h new file mode 100644 index 0000000..f897de6 --- /dev/null +++ b/arch/mips/include/asm/mach-loongson1/regs-wdt.h @@ -0,0 +1,22 @@ +/* + * Copyright (c) 2011 Zhang, Keguang <keguang.zhang@gmail.com> + * + * Loongson 1 watchdog register definitions. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#ifndef __ASM_MACH_LOONGSON1_REGS_WDT_H +#define __ASM_MACH_LOONGSON1_REGS_WDT_H + +#define LS1X_WDT_REG(x) \ + ((void __iomem *)KSEG1ADDR(LS1X_WDT_BASE + (x))) + +#define LS1X_WDT_EN LS1X_WDT_REG(0x0) +#define LS1X_WDT_SET LS1X_WDT_REG(0x4) +#define LS1X_WDT_TIMER LS1X_WDT_REG(0x8) + +#endif /* __ASM_MACH_LOONGSON1_REGS_WDT_H */ diff --git a/arch/mips/include/asm/mach-loongson1/war.h b/arch/mips/include/asm/mach-loongson1/war.h new file mode 100644 index 0000000..e3680a8 --- /dev/null +++ b/arch/mips/include/asm/mach-loongson1/war.h @@ -0,0 +1,25 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2002, 2004, 2007 by Ralf Baechle <ralf@linux-mips.org> + */ +#ifndef __ASM_MACH_LOONGSON1_WAR_H +#define __ASM_MACH_LOONGSON1_WAR_H + +#define R4600_V1_INDEX_ICACHEOP_WAR 0 +#define R4600_V1_HIT_CACHEOP_WAR 0 +#define R4600_V2_HIT_CACHEOP_WAR 0 +#define R5432_CP0_INTERRUPT_WAR 0 +#define BCM1250_M3_WAR 0 +#define SIBYTE_1956_WAR 0 +#define MIPS4K_ICACHE_REFILL_WAR 0 +#define MIPS_CACHE_SYNC_WAR 0 +#define TX49XX_ICACHE_INDEX_INV_WAR 0 +#define RM9000_CDEX_SMP_WAR 0 +#define ICACHE_REFILLS_WORKAROUND_WAR 0 +#define R10000_LLSC_WAR 0 +#define MIPS34K_MISSED_ITLB_WAR 0 + +#endif /* __ASM_MACH_LOONGSON1_WAR_H */ diff --git a/arch/mips/include/asm/mach-netlogic/cpu-feature-overrides.h b/arch/mips/include/asm/mach-netlogic/cpu-feature-overrides.h index d193fb6..966db4b 100644 --- a/arch/mips/include/asm/mach-netlogic/cpu-feature-overrides.h +++ b/arch/mips/include/asm/mach-netlogic/cpu-feature-overrides.h @@ -48,7 +48,6 @@ #define cpu_has_userlocal 1 #define cpu_has_mips32r2 1 #define cpu_has_mips64r2 1 -#define cpu_has_dc_aliases 1 #else #error "Unknown Netlogic CPU" #endif diff --git a/arch/mips/include/asm/mach-tx49xx/mangle-port.h b/arch/mips/include/asm/mach-tx49xx/mangle-port.h index 5e6912f..490867b 100644 --- a/arch/mips/include/asm/mach-tx49xx/mangle-port.h +++ b/arch/mips/include/asm/mach-tx49xx/mangle-port.h @@ -9,7 +9,7 @@ #define ioswabb(a, x) (x) #define __mem_ioswabb(a, x) (x) #if defined(CONFIG_TOSHIBA_RBTX4939) && \ - (defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)) && \ + IS_ENABLED(CONFIG_SMC91X) && \ defined(__BIG_ENDIAN) #define NEEDS_TXX9_IOSWABW extern u16 (*ioswabw)(volatile u16 *a, u16 x); diff --git a/arch/mips/include/asm/mipsmtregs.h b/arch/mips/include/asm/mipsmtregs.h index e71ff4c..5b3cb85 100644 --- a/arch/mips/include/asm/mipsmtregs.h +++ b/arch/mips/include/asm/mipsmtregs.h @@ -28,6 +28,9 @@ #define read_c0_vpeconf0() __read_32bit_c0_register($1, 2) #define write_c0_vpeconf0(val) __write_32bit_c0_register($1, 2, val) +#define read_c0_vpeconf1() __read_32bit_c0_register($1, 3) +#define write_c0_vpeconf1(val) __write_32bit_c0_register($1, 3, val) + #define read_c0_tcstatus() __read_32bit_c0_register($2, 1) #define write_c0_tcstatus(val) __write_32bit_c0_register($2, 1, val) @@ -124,6 +127,14 @@ #define VPECONF0_XTC_SHIFT 21 #define VPECONF0_XTC (_ULCAST_(0xff) << VPECONF0_XTC_SHIFT) +/* VPEConf1 fields (per VPE) */ +#define VPECONF1_NCP1_SHIFT 0 +#define VPECONF1_NCP1 (_ULCAST_(0xff) << VPECONF1_NCP1_SHIFT) +#define VPECONF1_NCP2_SHIFT 10 +#define VPECONF1_NCP2 (_ULCAST_(0xff) << VPECONF1_NCP2_SHIFT) +#define VPECONF1_NCX_SHIFT 20 +#define VPECONF1_NCX (_ULCAST_(0xff) << VPECONF1_NCX_SHIFT) + /* TCStatus fields (per TC) */ #define TCSTATUS_TASID (_ULCAST_(0xff)) #define TCSTATUS_IXMT_SHIFT 10 @@ -350,6 +361,8 @@ do { \ #define write_vpe_c0_vpecontrol(val) mttc0(1, 1, val) #define read_vpe_c0_vpeconf0() mftc0(1, 2) #define write_vpe_c0_vpeconf0(val) mttc0(1, 2, val) +#define read_vpe_c0_vpeconf1() mftc0(1, 3) +#define write_vpe_c0_vpeconf1(val) mttc0(1, 3, val) #define read_vpe_c0_count() mftc0(9, 0) #define write_vpe_c0_count(val) mttc0(9, 0, val) #define read_vpe_c0_status() mftc0(12, 0) diff --git a/arch/mips/include/asm/module.h b/arch/mips/include/asm/module.h index 5300080..7531ecd 100644 --- a/arch/mips/include/asm/module.h +++ b/arch/mips/include/asm/module.h @@ -117,6 +117,8 @@ search_module_dbetables(unsigned long addr) #define MODULE_PROC_FAMILY "RM9000 " #elif defined CONFIG_CPU_SB1 #define MODULE_PROC_FAMILY "SB1 " +#elif defined CONFIG_CPU_LOONGSON1 +#define MODULE_PROC_FAMILY "LOONGSON1 " #elif defined CONFIG_CPU_LOONGSON2 #define MODULE_PROC_FAMILY "LOONGSON2 " #elif defined CONFIG_CPU_CAVIUM_OCTEON diff --git a/arch/mips/include/asm/netlogic/xlp-hal/cpucontrol.h b/arch/mips/include/asm/netlogic/xlp-hal/cpucontrol.h index bf7d41d..7b63a6b 100644 --- a/arch/mips/include/asm/netlogic/xlp-hal/cpucontrol.h +++ b/arch/mips/include/asm/netlogic/xlp-hal/cpucontrol.h @@ -47,7 +47,9 @@ #define CPU_BLOCKID_MAP 10 #define LSU_DEFEATURE 0x304 -#define LSU_CERRLOG_REGID 0x09 +#define LSU_DEBUG_ADDR 0x305 +#define LSU_DEBUG_DATA0 0x306 +#define LSU_CERRLOG_REGID 0x309 #define SCHED_DEFEATURE 0x700 /* Offsets of interest from the 'MAP' Block */ diff --git a/arch/mips/include/asm/netlogic/xlp-hal/iomap.h b/arch/mips/include/asm/netlogic/xlp-hal/iomap.h index 86cc339..2c63f97 100644 --- a/arch/mips/include/asm/netlogic/xlp-hal/iomap.h +++ b/arch/mips/include/asm/netlogic/xlp-hal/iomap.h @@ -36,6 +36,9 @@ #define __NLM_HAL_IOMAP_H__ #define XLP_DEFAULT_IO_BASE 0x18000000 +#define XLP_DEFAULT_PCI_ECFG_BASE XLP_DEFAULT_IO_BASE +#define XLP_DEFAULT_PCI_CFG_BASE 0x1c000000 + #define NMI_BASE 0xbfc00000 #define XLP_IO_CLK 133333333 @@ -129,7 +132,7 @@ #define PCI_DEVICE_ID_NLM_PIC 0x1003 #define PCI_DEVICE_ID_NLM_PCIE 0x1004 #define PCI_DEVICE_ID_NLM_EHCI 0x1007 -#define PCI_DEVICE_ID_NLM_ILK 0x1008 +#define PCI_DEVICE_ID_NLM_OHCI 0x1008 #define PCI_DEVICE_ID_NLM_NAE 0x1009 #define PCI_DEVICE_ID_NLM_POE 0x100A #define PCI_DEVICE_ID_NLM_FMN 0x100B diff --git a/arch/mips/include/asm/netlogic/xlp-hal/pcibus.h b/arch/mips/include/asm/netlogic/xlp-hal/pcibus.h new file mode 100644 index 0000000..66c323d --- /dev/null +++ b/arch/mips/include/asm/netlogic/xlp-hal/pcibus.h @@ -0,0 +1,76 @@ +/* + * Copyright (c) 2003-2012 Broadcom Corporation + * All Rights Reserved + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the Broadcom + * license below: + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY BROADCOM ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL BROADCOM OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE + * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef __NLM_HAL_PCIBUS_H__ +#define __NLM_HAL_PCIBUS_H__ + +/* PCIE Memory and IO regions */ +#define PCIE_MEM_BASE 0xd0000000ULL +#define PCIE_MEM_LIMIT 0xdfffffffULL +#define PCIE_IO_BASE 0x14000000ULL +#define PCIE_IO_LIMIT 0x15ffffffULL + +#define PCIE_BRIDGE_CMD 0x1 +#define PCIE_BRIDGE_MSI_CAP 0x14 +#define PCIE_BRIDGE_MSI_ADDRL 0x15 +#define PCIE_BRIDGE_MSI_ADDRH 0x16 +#define PCIE_BRIDGE_MSI_DATA 0x17 + +/* XLP Global PCIE configuration space registers */ +#define PCIE_BYTE_SWAP_MEM_BASE 0x247 +#define PCIE_BYTE_SWAP_MEM_LIM 0x248 +#define PCIE_BYTE_SWAP_IO_BASE 0x249 +#define PCIE_BYTE_SWAP_IO_LIM 0x24A +#define PCIE_MSI_STATUS 0x25A +#define PCIE_MSI_EN 0x25B +#define PCIE_INT_EN0 0x261 + +/* PCIE_MSI_EN */ +#define PCIE_MSI_VECTOR_INT_EN 0xFFFFFFFF + +/* PCIE_INT_EN0 */ +#define PCIE_MSI_INT_EN (1 << 9) + +#ifndef __ASSEMBLY__ + +#define nlm_read_pcie_reg(b, r) nlm_read_reg(b, r) +#define nlm_write_pcie_reg(b, r, v) nlm_write_reg(b, r, v) +#define nlm_get_pcie_base(node, inst) \ + nlm_pcicfg_base(XLP_IO_PCIE_OFFSET(node, inst)) +#define nlm_get_pcie_regbase(node, inst) \ + (nlm_get_pcie_base(node, inst) + XLP_IO_PCI_HDRSZ) + +int xlp_pcie_link_irt(int link); +#endif +#endif /* __NLM_HAL_PCIBUS_H__ */ diff --git a/arch/mips/include/asm/netlogic/xlp-hal/pic.h b/arch/mips/include/asm/netlogic/xlp-hal/pic.h index b6628f7..ad8b802 100644 --- a/arch/mips/include/asm/netlogic/xlp-hal/pic.h +++ b/arch/mips/include/asm/netlogic/xlp-hal/pic.h @@ -201,7 +201,11 @@ #define PIC_NUM_USB_IRTS 6 #define PIC_IRT_USB_0_INDEX 115 #define PIC_IRT_EHCI_0_INDEX 115 +#define PIC_IRT_OHCI_0_INDEX 116 +#define PIC_IRT_OHCI_1_INDEX 117 #define PIC_IRT_EHCI_1_INDEX 118 +#define PIC_IRT_OHCI_2_INDEX 119 +#define PIC_IRT_OHCI_3_INDEX 120 #define PIC_IRT_USB_INDEX(num) ((num) + PIC_IRT_USB_0_INDEX) /* 115 to 120 */ #define PIC_IRT_GDX_INDEX 121 diff --git a/arch/mips/include/asm/netlogic/xlp-hal/usb.h b/arch/mips/include/asm/netlogic/xlp-hal/usb.h new file mode 100644 index 0000000..a9cd350 --- /dev/null +++ b/arch/mips/include/asm/netlogic/xlp-hal/usb.h @@ -0,0 +1,64 @@ +/* + * Copyright (c) 2003-2012 Broadcom Corporation + * All Rights Reserved + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the Broadcom + * license below: + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY BROADCOM ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL BROADCOM OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE + * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef __NLM_HAL_USB_H__ +#define __NLM_HAL_USB_H__ + +#define USB_CTL_0 0x01 +#define USB_PHY_0 0x0A +#define USB_PHY_RESET 0x01 +#define USB_PHY_PORT_RESET_0 0x10 +#define USB_PHY_PORT_RESET_1 0x20 +#define USB_CONTROLLER_RESET 0x01 +#define USB_INT_STATUS 0x0E +#define USB_INT_EN 0x0F +#define USB_PHY_INTERRUPT_EN 0x01 +#define USB_OHCI_INTERRUPT_EN 0x02 +#define USB_OHCI_INTERRUPT1_EN 0x04 +#define USB_OHCI_INTERRUPT2_EN 0x08 +#define USB_CTRL_INTERRUPT_EN 0x10 + +#ifndef __ASSEMBLY__ + +#define nlm_read_usb_reg(b, r) nlm_read_reg(b, r) +#define nlm_write_usb_reg(b, r, v) nlm_write_reg(b, r, v) +#define nlm_get_usb_pcibase(node, inst) \ + nlm_pcicfg_base(XLP_IO_USB_OFFSET(node, inst)) +#define nlm_get_usb_hcd_base(node, inst) \ + nlm_xkphys_map_pcibar0(nlm_get_usb_pcibase(node, inst)) +#define nlm_get_usb_regbase(node, inst) \ + (nlm_get_usb_pcibase(node, inst) + XLP_IO_PCI_HDRSZ) + +#endif +#endif /* __NLM_HAL_USB_H__ */ diff --git a/arch/mips/include/asm/netlogic/xlp-hal/xlp.h b/arch/mips/include/asm/netlogic/xlp-hal/xlp.h index 1540588..7e47209 100644 --- a/arch/mips/include/asm/netlogic/xlp-hal/xlp.h +++ b/arch/mips/include/asm/netlogic/xlp-hal/xlp.h @@ -35,8 +35,21 @@ #ifndef _NLM_HAL_XLP_H #define _NLM_HAL_XLP_H -#define PIC_UART_0_IRQ 17 -#define PIC_UART_1_IRQ 18 +#define PIC_UART_0_IRQ 17 +#define PIC_UART_1_IRQ 18 +#define PIC_PCIE_LINK_0_IRQ 19 +#define PIC_PCIE_LINK_1_IRQ 20 +#define PIC_PCIE_LINK_2_IRQ 21 +#define PIC_PCIE_LINK_3_IRQ 22 +#define PIC_EHCI_0_IRQ 23 +#define PIC_EHCI_1_IRQ 24 +#define PIC_OHCI_0_IRQ 25 +#define PIC_OHCI_1_IRQ 26 +#define PIC_OHCI_2_IRQ 27 +#define PIC_OHCI_3_IRQ 28 +#define PIC_MMC_IRQ 29 +#define PIC_I2C_0_IRQ 30 +#define PIC_I2C_1_IRQ 31 #ifndef __ASSEMBLY__ diff --git a/arch/mips/include/asm/netlogic/xlr/bridge.h b/arch/mips/include/asm/netlogic/xlr/bridge.h new file mode 100644 index 0000000..2d02428 --- /dev/null +++ b/arch/mips/include/asm/netlogic/xlr/bridge.h @@ -0,0 +1,104 @@ +/* + * Copyright (c) 2003-2012 Broadcom Corporation + * All Rights Reserved + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the Broadcom + * license below: + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY BROADCOM ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL BROADCOM OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE + * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ +#ifndef _ASM_NLM_BRIDGE_H_ +#define _ASM_NLM_BRIDGE_H_ + +#define BRIDGE_DRAM_0_BAR 0 +#define BRIDGE_DRAM_1_BAR 1 +#define BRIDGE_DRAM_2_BAR 2 +#define BRIDGE_DRAM_3_BAR 3 +#define BRIDGE_DRAM_4_BAR 4 +#define BRIDGE_DRAM_5_BAR 5 +#define BRIDGE_DRAM_6_BAR 6 +#define BRIDGE_DRAM_7_BAR 7 +#define BRIDGE_DRAM_CHN_0_MTR_0_BAR 8 +#define BRIDGE_DRAM_CHN_0_MTR_1_BAR 9 +#define BRIDGE_DRAM_CHN_0_MTR_2_BAR 10 +#define BRIDGE_DRAM_CHN_0_MTR_3_BAR 11 +#define BRIDGE_DRAM_CHN_0_MTR_4_BAR 12 +#define BRIDGE_DRAM_CHN_0_MTR_5_BAR 13 +#define BRIDGE_DRAM_CHN_0_MTR_6_BAR 14 +#define BRIDGE_DRAM_CHN_0_MTR_7_BAR 15 +#define BRIDGE_DRAM_CHN_1_MTR_0_BAR 16 +#define BRIDGE_DRAM_CHN_1_MTR_1_BAR 17 +#define BRIDGE_DRAM_CHN_1_MTR_2_BAR 18 +#define BRIDGE_DRAM_CHN_1_MTR_3_BAR 19 +#define BRIDGE_DRAM_CHN_1_MTR_4_BAR 20 +#define BRIDGE_DRAM_CHN_1_MTR_5_BAR 21 +#define BRIDGE_DRAM_CHN_1_MTR_6_BAR 22 +#define BRIDGE_DRAM_CHN_1_MTR_7_BAR 23 +#define BRIDGE_CFG_BAR 24 +#define BRIDGE_PHNX_IO_BAR 25 +#define BRIDGE_FLASH_BAR 26 +#define BRIDGE_SRAM_BAR 27 +#define BRIDGE_HTMEM_BAR 28 +#define BRIDGE_HTINT_BAR 29 +#define BRIDGE_HTPIC_BAR 30 +#define BRIDGE_HTSM_BAR 31 +#define BRIDGE_HTIO_BAR 32 +#define BRIDGE_HTCFG_BAR 33 +#define BRIDGE_PCIXCFG_BAR 34 +#define BRIDGE_PCIXMEM_BAR 35 +#define BRIDGE_PCIXIO_BAR 36 +#define BRIDGE_DEVICE_MASK 37 +#define BRIDGE_AERR_INTR_LOG1 38 +#define BRIDGE_AERR_INTR_LOG2 39 +#define BRIDGE_AERR_INTR_LOG3 40 +#define BRIDGE_AERR_DEV_STAT 41 +#define BRIDGE_AERR1_LOG1 42 +#define BRIDGE_AERR1_LOG2 43 +#define BRIDGE_AERR1_LOG3 44 +#define BRIDGE_AERR1_DEV_STAT 45 +#define BRIDGE_AERR_INTR_EN 46 +#define BRIDGE_AERR_UPG 47 +#define BRIDGE_AERR_CLEAR 48 +#define BRIDGE_AERR1_CLEAR 49 +#define BRIDGE_SBE_COUNTS 50 +#define BRIDGE_DBE_COUNTS 51 +#define BRIDGE_BITERR_INT_EN 52 + +#define BRIDGE_SYS2IO_CREDITS 53 +#define BRIDGE_EVNT_CNT_CTRL1 54 +#define BRIDGE_EVNT_COUNTER1 55 +#define BRIDGE_EVNT_CNT_CTRL2 56 +#define BRIDGE_EVNT_COUNTER2 57 +#define BRIDGE_RESERVED1 58 + +#define BRIDGE_DEFEATURE 59 +#define BRIDGE_SCRATCH0 60 +#define BRIDGE_SCRATCH1 61 +#define BRIDGE_SCRATCH2 62 +#define BRIDGE_SCRATCH3 63 + +#endif diff --git a/arch/mips/include/asm/netlogic/xlr/flash.h b/arch/mips/include/asm/netlogic/xlr/flash.h new file mode 100644 index 0000000..f8aca54 --- /dev/null +++ b/arch/mips/include/asm/netlogic/xlr/flash.h @@ -0,0 +1,55 @@ +/* + * Copyright (c) 2003-2012 Broadcom Corporation + * All Rights Reserved + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the Broadcom + * license below: + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY BROADCOM ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL BROADCOM OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE + * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ +#ifndef _ASM_NLM_FLASH_H_ +#define _ASM_NLM_FLASH_H_ + +#define FLASH_CSBASE_ADDR(cs) (cs) +#define FLASH_CSADDR_MASK(cs) (0x10 + (cs)) +#define FLASH_CSDEV_PARM(cs) (0x20 + (cs)) +#define FLASH_CSTIME_PARMA(cs) (0x30 + (cs)) +#define FLASH_CSTIME_PARMB(cs) (0x40 + (cs)) + +#define FLASH_INT_MASK 0x50 +#define FLASH_INT_STATUS 0x60 +#define FLASH_ERROR_STATUS 0x70 +#define FLASH_ERROR_ADDR 0x80 + +#define FLASH_NAND_CLE(cs) (0x90 + (cs)) +#define FLASH_NAND_ALE(cs) (0xa0 + (cs)) + +#define FLASH_NAND_CSDEV_PARAM 0x000041e6 +#define FLASH_NAND_CSTIME_PARAMA 0x4f400e22 +#define FLASH_NAND_CSTIME_PARAMB 0x000083cf + +#endif diff --git a/arch/mips/include/asm/netlogic/xlr/gpio.h b/arch/mips/include/asm/netlogic/xlr/gpio.h index 51f6ad4..8492e83 100644 --- a/arch/mips/include/asm/netlogic/xlr/gpio.h +++ b/arch/mips/include/asm/netlogic/xlr/gpio.h @@ -35,39 +35,40 @@ #ifndef _ASM_NLM_GPIO_H #define _ASM_NLM_GPIO_H -#define NETLOGIC_GPIO_INT_EN_REG 0 -#define NETLOGIC_GPIO_INPUT_INVERSION_REG 1 -#define NETLOGIC_GPIO_IO_DIR_REG 2 -#define NETLOGIC_GPIO_IO_DATA_WR_REG 3 -#define NETLOGIC_GPIO_IO_DATA_RD_REG 4 +#define GPIO_INT_EN_REG 0 +#define GPIO_INPUT_INVERSION_REG 1 +#define GPIO_IO_DIR_REG 2 +#define GPIO_IO_DATA_WR_REG 3 +#define GPIO_IO_DATA_RD_REG 4 -#define NETLOGIC_GPIO_SWRESET_REG 8 -#define NETLOGIC_GPIO_DRAM1_CNTRL_REG 9 -#define NETLOGIC_GPIO_DRAM1_RATIO_REG 10 -#define NETLOGIC_GPIO_DRAM1_RESET_REG 11 -#define NETLOGIC_GPIO_DRAM1_STATUS_REG 12 -#define NETLOGIC_GPIO_DRAM2_CNTRL_REG 13 -#define NETLOGIC_GPIO_DRAM2_RATIO_REG 14 -#define NETLOGIC_GPIO_DRAM2_RESET_REG 15 -#define NETLOGIC_GPIO_DRAM2_STATUS_REG 16 +#define GPIO_SWRESET_REG 8 +#define GPIO_DRAM1_CNTRL_REG 9 +#define GPIO_DRAM1_RATIO_REG 10 +#define GPIO_DRAM1_RESET_REG 11 +#define GPIO_DRAM1_STATUS_REG 12 +#define GPIO_DRAM2_CNTRL_REG 13 +#define GPIO_DRAM2_RATIO_REG 14 +#define GPIO_DRAM2_RESET_REG 15 +#define GPIO_DRAM2_STATUS_REG 16 -#define NETLOGIC_GPIO_PWRON_RESET_CFG_REG 21 -#define NETLOGIC_GPIO_BIST_ALL_GO_STATUS_REG 24 -#define NETLOGIC_GPIO_BIST_CPU_GO_STATUS_REG 25 -#define NETLOGIC_GPIO_BIST_DEV_GO_STATUS_REG 26 +#define GPIO_PWRON_RESET_CFG_REG 21 +#define GPIO_BIST_ALL_GO_STATUS_REG 24 +#define GPIO_BIST_CPU_GO_STATUS_REG 25 +#define GPIO_BIST_DEV_GO_STATUS_REG 26 -#define NETLOGIC_GPIO_FUSE_BANK_REG 35 -#define NETLOGIC_GPIO_CPU_RESET_REG 40 -#define NETLOGIC_GPIO_RNG_REG 43 +#define GPIO_FUSE_BANK_REG 35 +#define GPIO_CPU_RESET_REG 40 +#define GPIO_RNG_REG 43 -#define NETLOGIC_PWRON_RESET_PCMCIA_BOOT 17 -#define NETLOGIC_GPIO_LED_BITMAP 0x1700000 -#define NETLOGIC_GPIO_LED_0_SHIFT 20 -#define NETLOGIC_GPIO_LED_1_SHIFT 24 +#define PWRON_RESET_PCMCIA_BOOT 17 -#define NETLOGIC_GPIO_LED_OUTPUT_CODE_RESET 0x01 -#define NETLOGIC_GPIO_LED_OUTPUT_CODE_HARD_RESET 0x02 -#define NETLOGIC_GPIO_LED_OUTPUT_CODE_SOFT_RESET 0x03 -#define NETLOGIC_GPIO_LED_OUTPUT_CODE_MAIN 0x04 +#define GPIO_LED_BITMAP 0x1700000 +#define GPIO_LED_0_SHIFT 20 +#define GPIO_LED_1_SHIFT 24 + +#define GPIO_LED_OUTPUT_CODE_RESET 0x01 +#define GPIO_LED_OUTPUT_CODE_HARD_RESET 0x02 +#define GPIO_LED_OUTPUT_CODE_SOFT_RESET 0x03 +#define GPIO_LED_OUTPUT_CODE_MAIN 0x04 #endif diff --git a/arch/mips/include/asm/octeon/cvmx-helper-fpa.h b/arch/mips/include/asm/octeon/cvmx-helper-fpa.h deleted file mode 100644 index 5ff8c93..0000000 --- a/arch/mips/include/asm/octeon/cvmx-helper-fpa.h +++ /dev/null @@ -1,64 +0,0 @@ -/***********************license start*************** - * Author: Cavium Networks - * - * Contact: support@caviumnetworks.com - * This file is part of the OCTEON SDK - * - * Copyright (c) 2003-2008 Cavium Networks - * - * This file is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License, Version 2, as - * published by the Free Software Foundation. - * - * This file is distributed in the hope that it will be useful, but - * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty - * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or - * NONINFRINGEMENT. See the GNU General Public License for more - * details. - * - * You should have received a copy of the GNU General Public License - * along with this file; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - * or visit http://www.gnu.org/licenses/. - * - * This file may also be available under a different license from Cavium. - * Contact Cavium Networks for more information - ***********************license end**************************************/ - -/** - * @file - * - * Helper functions for FPA setup. - * - */ -#ifndef __CVMX_HELPER_H_FPA__ -#define __CVMX_HELPER_H_FPA__ - -/** - * Allocate memory and initialize the FPA pools using memory - * from cvmx-bootmem. Sizes of each element in the pools is - * controlled by the cvmx-config.h header file. Specifying - * zero for any parameter will cause that FPA pool to not be - * setup. This is useful if you aren't using some of the - * hardware and want to save memory. - * - * @packet_buffers: - * Number of packet buffers to allocate - * @work_queue_entries: - * Number of work queue entries - * @pko_buffers: - * PKO Command buffers. You should at minimum have two per - * each PKO queue. - * @tim_buffers: - * TIM ring buffer command queues. At least two per timer bucket - * is recommened. - * @dfa_buffers: - * DFA command buffer. A relatively small (32 for example) - * number should work. - * Returns Zero on success, non-zero if out of memory - */ -extern int cvmx_helper_initialize_fpa(int packet_buffers, - int work_queue_entries, int pko_buffers, - int tim_buffers, int dfa_buffers); - -#endif /* __CVMX_HELPER_H__ */ diff --git a/arch/mips/include/asm/octeon/cvmx-helper.h b/arch/mips/include/asm/octeon/cvmx-helper.h index 3169cd7..0ac6b9f 100644 --- a/arch/mips/include/asm/octeon/cvmx-helper.h +++ b/arch/mips/include/asm/octeon/cvmx-helper.h @@ -61,8 +61,6 @@ typedef union { } s; } cvmx_helper_link_info_t; -#include "cvmx-helper-fpa.h" - #include <asm/octeon/cvmx-helper-errata.h> #include "cvmx-helper-loop.h" #include "cvmx-helper-npi.h" diff --git a/arch/mips/include/asm/octeon/octeon.h b/arch/mips/include/asm/octeon/octeon.h index f72f768..1e2486e 100644 --- a/arch/mips/include/asm/octeon/octeon.h +++ b/arch/mips/include/asm/octeon/octeon.h @@ -215,11 +215,6 @@ struct octeon_cf_data { int dma_engine; /* -1 for no DMA */ }; -struct octeon_i2c_data { - unsigned int sys_freq; - unsigned int i2c_freq; -}; - extern void octeon_write_lcd(const char *s); extern void octeon_check_cpu_bist(void); extern int octeon_get_boot_debug_flag(void); diff --git a/arch/mips/include/asm/prom.h b/arch/mips/include/asm/prom.h index 7206d44..8808bf5 100644 --- a/arch/mips/include/asm/prom.h +++ b/arch/mips/include/asm/prom.h @@ -20,9 +20,6 @@ extern int early_init_dt_scan_memory_arch(unsigned long node, const char *uname, int depth, void *data); -extern int reserve_mem_mach(unsigned long addr, unsigned long size); -extern void free_mem_mach(unsigned long addr, unsigned long size); - extern void device_tree_init(void); static inline unsigned long pci_address_to_pio(phys_addr_t address) diff --git a/arch/mips/include/asm/smtc.h b/arch/mips/include/asm/smtc.h index c9736fc..8935426 100644 --- a/arch/mips/include/asm/smtc.h +++ b/arch/mips/include/asm/smtc.h @@ -33,6 +33,12 @@ typedef long asiduse; #endif #endif +/* + * VPE Management information + */ + +#define MAX_SMTC_VPES MAX_SMTC_TLBS /* FIXME: May not always be true. */ + extern asiduse smtc_live_asid[MAX_SMTC_TLBS][MAX_SMTC_ASIDS]; struct mm_struct; diff --git a/arch/mips/include/asm/uaccess.h b/arch/mips/include/asm/uaccess.h index 653a412..3b92efe 100644 --- a/arch/mips/include/asm/uaccess.h +++ b/arch/mips/include/asm/uaccess.h @@ -687,7 +687,7 @@ extern size_t __copy_user(void *__to, const void *__from, size_t __n); __MODULE_JAL(__copy_user) \ : "+r" (__cu_to_r), "+r" (__cu_from_r), "+r" (__cu_len_r) \ : \ - : "$8", "$9", "$10", "$11", "$12", "$15", "$24", "$31", \ + : "$8", "$9", "$10", "$11", "$12", "$14", "$15", "$24", "$31", \ DADDI_SCRATCH, "memory"); \ __cu_len_r; \ }) @@ -797,7 +797,7 @@ extern size_t __copy_user_inatomic(void *__to, const void *__from, size_t __n); ".set\treorder" \ : "+r" (__cu_to_r), "+r" (__cu_from_r), "+r" (__cu_len_r) \ : \ - : "$8", "$9", "$10", "$11", "$12", "$15", "$24", "$31", \ + : "$8", "$9", "$10", "$11", "$12", "$14", "$15", "$24", "$31", \ DADDI_SCRATCH, "memory"); \ __cu_len_r; \ }) @@ -820,7 +820,7 @@ extern size_t __copy_user_inatomic(void *__to, const void *__from, size_t __n); ".set\treorder" \ : "+r" (__cu_to_r), "+r" (__cu_from_r), "+r" (__cu_len_r) \ : \ - : "$8", "$9", "$10", "$11", "$12", "$15", "$24", "$31", \ + : "$8", "$9", "$10", "$11", "$12", "$14", "$15", "$24", "$31", \ DADDI_SCRATCH, "memory"); \ __cu_len_r; \ }) diff --git a/arch/mips/include/asm/uasm.h b/arch/mips/include/asm/uasm.h index 440a21d..3d9f75f 100644 --- a/arch/mips/include/asm/uasm.h +++ b/arch/mips/include/asm/uasm.h @@ -6,6 +6,7 @@ * Copyright (C) 2004, 2005, 2006, 2008 Thiemo Seufer * Copyright (C) 2005 Maciej W. Rozycki * Copyright (C) 2006 Ralf Baechle (ralf@linux-mips.org) + * Copyright (C) 2012 MIPS Technologies, Inc. */ #include <linux/types.h> @@ -62,8 +63,10 @@ void __uasminit uasm_i##op(u32 **buf, unsigned int a, signed int b) Ip_u2u1s3(_addiu); Ip_u3u1u2(_addu); -Ip_u2u1u3(_andi); Ip_u3u1u2(_and); +Ip_u2u1u3(_andi); +Ip_u1u2s3(_bbit0); +Ip_u1u2s3(_bbit1); Ip_u1u2s3(_beq); Ip_u1u2s3(_beql); Ip_u1s2(_bgez); @@ -72,55 +75,54 @@ Ip_u1s2(_bltz); Ip_u1s2(_bltzl); Ip_u1u2s3(_bne); Ip_u2s3u1(_cache); -Ip_u1u2u3(_dmfc0); -Ip_u1u2u3(_dmtc0); Ip_u2u1s3(_daddiu); Ip_u3u1u2(_daddu); +Ip_u2u1msbu3(_dins); +Ip_u2u1msbu3(_dinsm); +Ip_u1u2u3(_dmfc0); +Ip_u1u2u3(_dmtc0); +Ip_u2u1u3(_drotr); +Ip_u2u1u3(_drotr32); Ip_u2u1u3(_dsll); Ip_u2u1u3(_dsll32); Ip_u2u1u3(_dsra); Ip_u2u1u3(_dsrl); Ip_u2u1u3(_dsrl32); -Ip_u2u1u3(_drotr); -Ip_u2u1u3(_drotr32); Ip_u3u1u2(_dsubu); Ip_0(_eret); Ip_u1(_j); Ip_u1(_jal); Ip_u1(_jr); Ip_u2s3u1(_ld); +Ip_u3u1u2(_ldx); Ip_u2s3u1(_ll); Ip_u2s3u1(_lld); Ip_u1s2(_lui); Ip_u2s3u1(_lw); +Ip_u3u1u2(_lwx); Ip_u1u2u3(_mfc0); Ip_u1u2u3(_mtc0); -Ip_u2u1u3(_ori); Ip_u3u1u2(_or); +Ip_u2u1u3(_ori); Ip_u2s3u1(_pref); Ip_0(_rfe); +Ip_u2u1u3(_rotr); Ip_u2s3u1(_sc); Ip_u2s3u1(_scd); Ip_u2s3u1(_sd); Ip_u2u1u3(_sll); Ip_u2u1u3(_sra); Ip_u2u1u3(_srl); -Ip_u2u1u3(_rotr); Ip_u3u1u2(_subu); Ip_u2s3u1(_sw); +Ip_u1(_syscall); Ip_0(_tlbp); Ip_0(_tlbr); Ip_0(_tlbwi); Ip_0(_tlbwr); Ip_u3u1u2(_xor); Ip_u2u1u3(_xori); -Ip_u2u1msbu3(_dins); -Ip_u2u1msbu3(_dinsm); -Ip_u1(_syscall); -Ip_u1u2s3(_bbit0); -Ip_u1u2s3(_bbit1); -Ip_u3u1u2(_lwx); -Ip_u3u1u2(_ldx); + /* Handle labels. */ struct uasm_label { @@ -145,37 +147,37 @@ static inline void __uasminit uasm_l##lb(struct uasm_label **lab, u32 *addr) \ /* convenience macros for instructions */ #ifdef CONFIG_64BIT +# define UASM_i_ADDIU(buf, rs, rt, val) uasm_i_daddiu(buf, rs, rt, val) +# define UASM_i_ADDU(buf, rs, rt, rd) uasm_i_daddu(buf, rs, rt, rd) +# define UASM_i_LL(buf, rs, rt, off) uasm_i_lld(buf, rs, rt, off) # define UASM_i_LW(buf, rs, rt, off) uasm_i_ld(buf, rs, rt, off) -# define UASM_i_SW(buf, rs, rt, off) uasm_i_sd(buf, rs, rt, off) +# define UASM_i_LWX(buf, rs, rt, rd) uasm_i_ldx(buf, rs, rt, rd) +# define UASM_i_MFC0(buf, rt, rd...) uasm_i_dmfc0(buf, rt, rd) +# define UASM_i_MTC0(buf, rt, rd...) uasm_i_dmtc0(buf, rt, rd) +# define UASM_i_ROTR(buf, rs, rt, sh) uasm_i_drotr(buf, rs, rt, sh) +# define UASM_i_SC(buf, rs, rt, off) uasm_i_scd(buf, rs, rt, off) # define UASM_i_SLL(buf, rs, rt, sh) uasm_i_dsll(buf, rs, rt, sh) # define UASM_i_SRA(buf, rs, rt, sh) uasm_i_dsra(buf, rs, rt, sh) # define UASM_i_SRL(buf, rs, rt, sh) uasm_i_dsrl(buf, rs, rt, sh) # define UASM_i_SRL_SAFE(buf, rs, rt, sh) uasm_i_dsrl_safe(buf, rs, rt, sh) -# define UASM_i_ROTR(buf, rs, rt, sh) uasm_i_drotr(buf, rs, rt, sh) -# define UASM_i_MFC0(buf, rt, rd...) uasm_i_dmfc0(buf, rt, rd) -# define UASM_i_MTC0(buf, rt, rd...) uasm_i_dmtc0(buf, rt, rd) -# define UASM_i_ADDIU(buf, rs, rt, val) uasm_i_daddiu(buf, rs, rt, val) -# define UASM_i_ADDU(buf, rs, rt, rd) uasm_i_daddu(buf, rs, rt, rd) # define UASM_i_SUBU(buf, rs, rt, rd) uasm_i_dsubu(buf, rs, rt, rd) -# define UASM_i_LL(buf, rs, rt, off) uasm_i_lld(buf, rs, rt, off) -# define UASM_i_SC(buf, rs, rt, off) uasm_i_scd(buf, rs, rt, off) -# define UASM_i_LWX(buf, rs, rt, rd) uasm_i_ldx(buf, rs, rt, rd) +# define UASM_i_SW(buf, rs, rt, off) uasm_i_sd(buf, rs, rt, off) #else +# define UASM_i_ADDIU(buf, rs, rt, val) uasm_i_addiu(buf, rs, rt, val) +# define UASM_i_ADDU(buf, rs, rt, rd) uasm_i_addu(buf, rs, rt, rd) +# define UASM_i_LL(buf, rs, rt, off) uasm_i_ll(buf, rs, rt, off) # define UASM_i_LW(buf, rs, rt, off) uasm_i_lw(buf, rs, rt, off) -# define UASM_i_SW(buf, rs, rt, off) uasm_i_sw(buf, rs, rt, off) +# define UASM_i_LWX(buf, rs, rt, rd) uasm_i_lwx(buf, rs, rt, rd) +# define UASM_i_MFC0(buf, rt, rd...) uasm_i_mfc0(buf, rt, rd) +# define UASM_i_MTC0(buf, rt, rd...) uasm_i_mtc0(buf, rt, rd) +# define UASM_i_ROTR(buf, rs, rt, sh) uasm_i_rotr(buf, rs, rt, sh) +# define UASM_i_SC(buf, rs, rt, off) uasm_i_sc(buf, rs, rt, off) # define UASM_i_SLL(buf, rs, rt, sh) uasm_i_sll(buf, rs, rt, sh) # define UASM_i_SRA(buf, rs, rt, sh) uasm_i_sra(buf, rs, rt, sh) # define UASM_i_SRL(buf, rs, rt, sh) uasm_i_srl(buf, rs, rt, sh) # define UASM_i_SRL_SAFE(buf, rs, rt, sh) uasm_i_srl(buf, rs, rt, sh) -# define UASM_i_ROTR(buf, rs, rt, sh) uasm_i_rotr(buf, rs, rt, sh) -# define UASM_i_MFC0(buf, rt, rd...) uasm_i_mfc0(buf, rt, rd) -# define UASM_i_MTC0(buf, rt, rd...) uasm_i_mtc0(buf, rt, rd) -# define UASM_i_ADDIU(buf, rs, rt, val) uasm_i_addiu(buf, rs, rt, val) -# define UASM_i_ADDU(buf, rs, rt, rd) uasm_i_addu(buf, rs, rt, rd) # define UASM_i_SUBU(buf, rs, rt, rd) uasm_i_subu(buf, rs, rt, rd) -# define UASM_i_LL(buf, rs, rt, off) uasm_i_ll(buf, rs, rt, off) -# define UASM_i_SC(buf, rs, rt, off) uasm_i_sc(buf, rs, rt, off) -# define UASM_i_LWX(buf, rs, rt, rd) uasm_i_lwx(buf, rs, rt, rd) +# define UASM_i_SW(buf, rs, rt, off) uasm_i_sw(buf, rs, rt, off) #endif #define uasm_i_b(buf, off) uasm_i_beq(buf, 0, 0, off) @@ -183,19 +185,10 @@ static inline void __uasminit uasm_l##lb(struct uasm_label **lab, u32 *addr) \ #define uasm_i_beqzl(buf, rs, off) uasm_i_beql(buf, rs, 0, off) #define uasm_i_bnez(buf, rs, off) uasm_i_bne(buf, rs, 0, off) #define uasm_i_bnezl(buf, rs, off) uasm_i_bnel(buf, rs, 0, off) +#define uasm_i_ehb(buf) uasm_i_sll(buf, 0, 0, 3) #define uasm_i_move(buf, a, b) UASM_i_ADDU(buf, a, 0, b) #define uasm_i_nop(buf) uasm_i_sll(buf, 0, 0, 0) #define uasm_i_ssnop(buf) uasm_i_sll(buf, 0, 0, 1) -#define uasm_i_ehb(buf) uasm_i_sll(buf, 0, 0, 3) - -static inline void uasm_i_dsrl_safe(u32 **p, unsigned int a1, - unsigned int a2, unsigned int a3) -{ - if (a3 < 32) - uasm_i_dsrl(p, a1, a2, a3); - else - uasm_i_dsrl32(p, a1, a2, a3 - 32); -} static inline void uasm_i_drotr_safe(u32 **p, unsigned int a1, unsigned int a2, unsigned int a3) @@ -215,6 +208,15 @@ static inline void uasm_i_dsll_safe(u32 **p, unsigned int a1, uasm_i_dsll32(p, a1, a2, a3 - 32); } +static inline void uasm_i_dsrl_safe(u32 **p, unsigned int a1, + unsigned int a2, unsigned int a3) +{ + if (a3 < 32) + uasm_i_dsrl(p, a1, a2, a3); + else + uasm_i_dsrl32(p, a1, a2, a3 - 32); +} + /* Handle relocations. */ struct uasm_reloc { u32 *addr; @@ -234,16 +236,16 @@ void uasm_copy_handler(struct uasm_reloc *rel, struct uasm_label *lab, int uasm_insn_has_bdelay(struct uasm_reloc *rel, u32 *addr); /* Convenience functions for labeled branches. */ -void uasm_il_bltz(u32 **p, struct uasm_reloc **r, unsigned int reg, int lid); void uasm_il_b(u32 **p, struct uasm_reloc **r, int lid); +void uasm_il_bbit0(u32 **p, struct uasm_reloc **r, unsigned int reg, + unsigned int bit, int lid); +void uasm_il_bbit1(u32 **p, struct uasm_reloc **r, unsigned int reg, + unsigned int bit, int lid); void uasm_il_beqz(u32 **p, struct uasm_reloc **r, unsigned int reg, int lid); void uasm_il_beqzl(u32 **p, struct uasm_reloc **r, unsigned int reg, int lid); +void uasm_il_bgezl(u32 **p, struct uasm_reloc **r, unsigned int reg, int lid); +void uasm_il_bgez(u32 **p, struct uasm_reloc **r, unsigned int reg, int lid); +void uasm_il_bltz(u32 **p, struct uasm_reloc **r, unsigned int reg, int lid); void uasm_il_bne(u32 **p, struct uasm_reloc **r, unsigned int reg1, unsigned int reg2, int lid); void uasm_il_bnez(u32 **p, struct uasm_reloc **r, unsigned int reg, int lid); -void uasm_il_bgezl(u32 **p, struct uasm_reloc **r, unsigned int reg, int lid); -void uasm_il_bgez(u32 **p, struct uasm_reloc **r, unsigned int reg, int lid); -void uasm_il_bbit0(u32 **p, struct uasm_reloc **r, unsigned int reg, - unsigned int bit, int lid); -void uasm_il_bbit1(u32 **p, struct uasm_reloc **r, unsigned int reg, - unsigned int bit, int lid); diff --git a/arch/mips/include/asm/unistd.h b/arch/mips/include/asm/unistd.h index d8dad53..bebbde0 100644 --- a/arch/mips/include/asm/unistd.h +++ b/arch/mips/include/asm/unistd.h @@ -1034,7 +1034,6 @@ #ifndef __ASSEMBLY__ #define __ARCH_OMIT_COMPAT_SYS_GETDENTS64 -#define __ARCH_WANT_IPC_PARSE_VERSION #define __ARCH_WANT_OLD_READDIR #define __ARCH_WANT_SYS_ALARM #define __ARCH_WANT_SYS_GETHOSTNAME diff --git a/arch/mips/jz4740/board-qi_lb60.c b/arch/mips/jz4740/board-qi_lb60.c index 9a91fe9..9a3d9de 100644 --- a/arch/mips/jz4740/board-qi_lb60.c +++ b/arch/mips/jz4740/board-qi_lb60.c @@ -140,6 +140,7 @@ static void qi_lb60_nand_ident(struct platform_device *pdev, static struct jz_nand_platform_data qi_lb60_nand_pdata = { .ident_callback = qi_lb60_nand_ident, .busy_gpio = 94, + .banks = { 1 }, }; /* Keyboard*/ diff --git a/arch/mips/jz4740/platform.c b/arch/mips/jz4740/platform.c index 10929e2..e342ed4 100644 --- a/arch/mips/jz4740/platform.c +++ b/arch/mips/jz4740/platform.c @@ -157,11 +157,29 @@ static struct resource jz4740_nand_resources[] = { .flags = IORESOURCE_MEM, }, { - .name = "bank", + .name = "bank1", .start = 0x18000000, .end = 0x180C0000 - 1, .flags = IORESOURCE_MEM, }, + { + .name = "bank2", + .start = 0x14000000, + .end = 0x140C0000 - 1, + .flags = IORESOURCE_MEM, + }, + { + .name = "bank3", + .start = 0x0C000000, + .end = 0x0C0C0000 - 1, + .flags = IORESOURCE_MEM, + }, + { + .name = "bank4", + .start = 0x08000000, + .end = 0x080C0000 - 1, + .flags = IORESOURCE_MEM, + }, }; struct platform_device jz4740_nand_device = { diff --git a/arch/mips/jz4740/reset.c b/arch/mips/jz4740/reset.c index 5f1fb95..6c0da5a 100644 --- a/arch/mips/jz4740/reset.c +++ b/arch/mips/jz4740/reset.c @@ -21,6 +21,9 @@ #include <asm/mach-jz4740/base.h> #include <asm/mach-jz4740/timer.h> +#include "reset.h" +#include "clock.h" + static void jz4740_halt(void) { while (1) { @@ -53,21 +56,57 @@ static void jz4740_restart(char *command) jz4740_halt(); } -#define JZ_REG_RTC_CTRL 0x00 -#define JZ_REG_RTC_HIBERNATE 0x20 +#define JZ_REG_RTC_CTRL 0x00 +#define JZ_REG_RTC_HIBERNATE 0x20 +#define JZ_REG_RTC_WAKEUP_FILTER 0x24 +#define JZ_REG_RTC_RESET_COUNTER 0x28 -#define JZ_RTC_CTRL_WRDY BIT(7) +#define JZ_RTC_CTRL_WRDY BIT(7) +#define JZ_RTC_WAKEUP_FILTER_MASK 0x0000FFE0 +#define JZ_RTC_RESET_COUNTER_MASK 0x00000FE0 -static void jz4740_power_off(void) +static inline void jz4740_rtc_wait_ready(void __iomem *rtc_base) { - void __iomem *rtc_base = ioremap(JZ4740_RTC_BASE_ADDR, 0x24); uint32_t ctrl; do { ctrl = readl(rtc_base + JZ_REG_RTC_CTRL); } while (!(ctrl & JZ_RTC_CTRL_WRDY)); +} +static void jz4740_power_off(void) +{ + void __iomem *rtc_base = ioremap(JZ4740_RTC_BASE_ADDR, 0x38); + unsigned long wakeup_filter_ticks; + unsigned long reset_counter_ticks; + + /* + * Set minimum wakeup pin assertion time: 100 ms. + * Range is 0 to 2 sec if RTC is clocked at 32 kHz. + */ + wakeup_filter_ticks = (100 * jz4740_clock_bdata.rtc_rate) / 1000; + if (wakeup_filter_ticks < JZ_RTC_WAKEUP_FILTER_MASK) + wakeup_filter_ticks &= JZ_RTC_WAKEUP_FILTER_MASK; + else + wakeup_filter_ticks = JZ_RTC_WAKEUP_FILTER_MASK; + jz4740_rtc_wait_ready(rtc_base); + writel(wakeup_filter_ticks, rtc_base + JZ_REG_RTC_WAKEUP_FILTER); + + /* + * Set reset pin low-level assertion time after wakeup: 60 ms. + * Range is 0 to 125 ms if RTC is clocked at 32 kHz. + */ + reset_counter_ticks = (60 * jz4740_clock_bdata.rtc_rate) / 1000; + if (reset_counter_ticks < JZ_RTC_RESET_COUNTER_MASK) + reset_counter_ticks &= JZ_RTC_RESET_COUNTER_MASK; + else + reset_counter_ticks = JZ_RTC_RESET_COUNTER_MASK; + jz4740_rtc_wait_ready(rtc_base); + writel(reset_counter_ticks, rtc_base + JZ_REG_RTC_RESET_COUNTER); + + jz4740_rtc_wait_ready(rtc_base); writel(1, rtc_base + JZ_REG_RTC_HIBERNATE); + jz4740_halt(); } diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c index f4630e1..1b51046 100644 --- a/arch/mips/kernel/cpu-probe.c +++ b/arch/mips/kernel/cpu-probe.c @@ -190,6 +190,7 @@ void __init check_wait(void) case CPU_CAVIUM_OCTEON_PLUS: case CPU_CAVIUM_OCTEON2: case CPU_JZRISC: + case CPU_LOONGSON1: case CPU_XLR: case CPU_XLP: cpu_wait = r4k_wait; @@ -330,6 +331,154 @@ static inline void cpu_probe_vmbits(struct cpuinfo_mips *c) #endif } +static char unknown_isa[] __cpuinitdata = KERN_ERR \ + "Unsupported ISA type, c0.config0: %d."; + +static inline unsigned int decode_config0(struct cpuinfo_mips *c) +{ + unsigned int config0; + int isa; + + config0 = read_c0_config(); + + if (((config0 & MIPS_CONF_MT) >> 7) == 1) + c->options |= MIPS_CPU_TLB; + isa = (config0 & MIPS_CONF_AT) >> 13; + switch (isa) { + case 0: + switch ((config0 & MIPS_CONF_AR) >> 10) { + case 0: + c->isa_level = MIPS_CPU_ISA_M32R1; + break; + case 1: + c->isa_level = MIPS_CPU_ISA_M32R2; + break; + default: + goto unknown; + } + break; + case 2: + switch ((config0 & MIPS_CONF_AR) >> 10) { + case 0: + c->isa_level = MIPS_CPU_ISA_M64R1; + break; + case 1: + c->isa_level = MIPS_CPU_ISA_M64R2; + break; + default: + goto unknown; + } + break; + default: + goto unknown; + } + + return config0 & MIPS_CONF_M; + +unknown: + panic(unknown_isa, config0); +} + +static inline unsigned int decode_config1(struct cpuinfo_mips *c) +{ + unsigned int config1; + + config1 = read_c0_config1(); + + if (config1 & MIPS_CONF1_MD) + c->ases |= MIPS_ASE_MDMX; + if (config1 & MIPS_CONF1_WR) + c->options |= MIPS_CPU_WATCH; + if (config1 & MIPS_CONF1_CA) + c->ases |= MIPS_ASE_MIPS16; + if (config1 & MIPS_CONF1_EP) + c->options |= MIPS_CPU_EJTAG; + if (config1 & MIPS_CONF1_FP) { + c->options |= MIPS_CPU_FPU; + c->options |= MIPS_CPU_32FPR; + } + if (cpu_has_tlb) + c->tlbsize = ((config1 & MIPS_CONF1_TLBS) >> 25) + 1; + + return config1 & MIPS_CONF_M; +} + +static inline unsigned int decode_config2(struct cpuinfo_mips *c) +{ + unsigned int config2; + + config2 = read_c0_config2(); + + if (config2 & MIPS_CONF2_SL) + c->scache.flags &= ~MIPS_CACHE_NOT_PRESENT; + + return config2 & MIPS_CONF_M; +} + +static inline unsigned int decode_config3(struct cpuinfo_mips *c) +{ + unsigned int config3; + + config3 = read_c0_config3(); + + if (config3 & MIPS_CONF3_SM) + c->ases |= MIPS_ASE_SMARTMIPS; + if (config3 & MIPS_CONF3_DSP) + c->ases |= MIPS_ASE_DSP; + if (config3 & MIPS_CONF3_VINT) + c->options |= MIPS_CPU_VINT; + if (config3 & MIPS_CONF3_VEIC) + c->options |= MIPS_CPU_VEIC; + if (config3 & MIPS_CONF3_MT) + c->ases |= MIPS_ASE_MIPSMT; + if (config3 & MIPS_CONF3_ULRI) + c->options |= MIPS_CPU_ULRI; + + return config3 & MIPS_CONF_M; +} + +static inline unsigned int decode_config4(struct cpuinfo_mips *c) +{ + unsigned int config4; + + config4 = read_c0_config4(); + + if ((config4 & MIPS_CONF4_MMUEXTDEF) == MIPS_CONF4_MMUEXTDEF_MMUSIZEEXT + && cpu_has_tlb) + c->tlbsize += (config4 & MIPS_CONF4_MMUSIZEEXT) * 0x40; + + c->kscratch_mask = (config4 >> 16) & 0xff; + + return config4 & MIPS_CONF_M; +} + +static void __cpuinit decode_configs(struct cpuinfo_mips *c) +{ + int ok; + + /* MIPS32 or MIPS64 compliant CPU. */ + c->options = MIPS_CPU_4KEX | MIPS_CPU_4K_CACHE | MIPS_CPU_COUNTER | + MIPS_CPU_DIVEC | MIPS_CPU_LLSC | MIPS_CPU_MCHECK; + + c->scache.flags = MIPS_CACHE_NOT_PRESENT; + + ok = decode_config0(c); /* Read Config registers. */ + BUG_ON(!ok); /* Arch spec violation! */ + if (ok) + ok = decode_config1(c); + if (ok) + ok = decode_config2(c); + if (ok) + ok = decode_config3(c); + if (ok) + ok = decode_config4(c); + + mips_probe_watch_registers(c); + + if (cpu_has_mips_r2) + c->core = read_c0_ebase() & 0x3ff; +} + #define R4K_OPTS (MIPS_CPU_TLB | MIPS_CPU_4KEX | MIPS_CPU_4K_CACHE \ | MIPS_CPU_COUNTER) @@ -638,155 +787,19 @@ static inline void cpu_probe_legacy(struct cpuinfo_mips *c, unsigned int cpu) MIPS_CPU_32FPR; c->tlbsize = 64; break; - } -} - -static char unknown_isa[] __cpuinitdata = KERN_ERR \ - "Unsupported ISA type, c0.config0: %d."; + case PRID_IMP_LOONGSON1: + decode_configs(c); -static inline unsigned int decode_config0(struct cpuinfo_mips *c) -{ - unsigned int config0; - int isa; + c->cputype = CPU_LOONGSON1; - config0 = read_c0_config(); - - if (((config0 & MIPS_CONF_MT) >> 7) == 1) - c->options |= MIPS_CPU_TLB; - isa = (config0 & MIPS_CONF_AT) >> 13; - switch (isa) { - case 0: - switch ((config0 & MIPS_CONF_AR) >> 10) { - case 0: - c->isa_level = MIPS_CPU_ISA_M32R1; - break; - case 1: - c->isa_level = MIPS_CPU_ISA_M32R2; + switch (c->processor_id & PRID_REV_MASK) { + case PRID_REV_LOONGSON1B: + __cpu_name[cpu] = "Loongson 1B"; break; - default: - goto unknown; } - break; - case 2: - switch ((config0 & MIPS_CONF_AR) >> 10) { - case 0: - c->isa_level = MIPS_CPU_ISA_M64R1; - break; - case 1: - c->isa_level = MIPS_CPU_ISA_M64R2; - break; - default: - goto unknown; - } - break; - default: - goto unknown; - } - - return config0 & MIPS_CONF_M; - -unknown: - panic(unknown_isa, config0); -} -static inline unsigned int decode_config1(struct cpuinfo_mips *c) -{ - unsigned int config1; - - config1 = read_c0_config1(); - - if (config1 & MIPS_CONF1_MD) - c->ases |= MIPS_ASE_MDMX; - if (config1 & MIPS_CONF1_WR) - c->options |= MIPS_CPU_WATCH; - if (config1 & MIPS_CONF1_CA) - c->ases |= MIPS_ASE_MIPS16; - if (config1 & MIPS_CONF1_EP) - c->options |= MIPS_CPU_EJTAG; - if (config1 & MIPS_CONF1_FP) { - c->options |= MIPS_CPU_FPU; - c->options |= MIPS_CPU_32FPR; + break; } - if (cpu_has_tlb) - c->tlbsize = ((config1 & MIPS_CONF1_TLBS) >> 25) + 1; - - return config1 & MIPS_CONF_M; -} - -static inline unsigned int decode_config2(struct cpuinfo_mips *c) -{ - unsigned int config2; - - config2 = read_c0_config2(); - - if (config2 & MIPS_CONF2_SL) - c->scache.flags &= ~MIPS_CACHE_NOT_PRESENT; - - return config2 & MIPS_CONF_M; -} - -static inline unsigned int decode_config3(struct cpuinfo_mips *c) -{ - unsigned int config3; - - config3 = read_c0_config3(); - - if (config3 & MIPS_CONF3_SM) - c->ases |= MIPS_ASE_SMARTMIPS; - if (config3 & MIPS_CONF3_DSP) - c->ases |= MIPS_ASE_DSP; - if (config3 & MIPS_CONF3_VINT) - c->options |= MIPS_CPU_VINT; - if (config3 & MIPS_CONF3_VEIC) - c->options |= MIPS_CPU_VEIC; - if (config3 & MIPS_CONF3_MT) - c->ases |= MIPS_ASE_MIPSMT; - if (config3 & MIPS_CONF3_ULRI) - c->options |= MIPS_CPU_ULRI; - - return config3 & MIPS_CONF_M; -} - -static inline unsigned int decode_config4(struct cpuinfo_mips *c) -{ - unsigned int config4; - - config4 = read_c0_config4(); - - if ((config4 & MIPS_CONF4_MMUEXTDEF) == MIPS_CONF4_MMUEXTDEF_MMUSIZEEXT - && cpu_has_tlb) - c->tlbsize += (config4 & MIPS_CONF4_MMUSIZEEXT) * 0x40; - - c->kscratch_mask = (config4 >> 16) & 0xff; - - return config4 & MIPS_CONF_M; -} - -static void __cpuinit decode_configs(struct cpuinfo_mips *c) -{ - int ok; - - /* MIPS32 or MIPS64 compliant CPU. */ - c->options = MIPS_CPU_4KEX | MIPS_CPU_4K_CACHE | MIPS_CPU_COUNTER | - MIPS_CPU_DIVEC | MIPS_CPU_LLSC | MIPS_CPU_MCHECK; - - c->scache.flags = MIPS_CACHE_NOT_PRESENT; - - ok = decode_config0(c); /* Read Config registers. */ - BUG_ON(!ok); /* Arch spec violation! */ - if (ok) - ok = decode_config1(c); - if (ok) - ok = decode_config2(c); - if (ok) - ok = decode_config3(c); - if (ok) - ok = decode_config4(c); - - mips_probe_watch_registers(c); - - if (cpu_has_mips_r2) - c->core = read_c0_ebase() & 0x3ff; } static inline void cpu_probe_mips(struct cpuinfo_mips *c, unsigned int cpu) diff --git a/arch/mips/kernel/cpufreq/Makefile b/arch/mips/kernel/cpufreq/Makefile index c3479a43..05a5715 100644 --- a/arch/mips/kernel/cpufreq/Makefile +++ b/arch/mips/kernel/cpufreq/Makefile @@ -2,4 +2,4 @@ # Makefile for the Linux/MIPS cpufreq. # -obj-$(CONFIG_LOONGSON2_CPUFREQ) += loongson2_cpufreq.o loongson2_clock.o +obj-$(CONFIG_LOONGSON2_CPUFREQ) += loongson2_cpufreq.o diff --git a/arch/mips/kernel/cpufreq/loongson2_cpufreq.c b/arch/mips/kernel/cpufreq/loongson2_cpufreq.c index ae5db20..e7c98e2 100644 --- a/arch/mips/kernel/cpufreq/loongson2_cpufreq.c +++ b/arch/mips/kernel/cpufreq/loongson2_cpufreq.c @@ -19,7 +19,7 @@ #include <asm/clock.h> -#include <loongson.h> +#include <asm/mach-loongson/loongson.h> static uint nowait; @@ -181,6 +181,25 @@ static struct platform_driver platform_driver = { .id_table = platform_device_ids, }; +/* + * This is the simple version of Loongson-2 wait, Maybe we need do this in + * interrupt disabled context. + */ + +static DEFINE_SPINLOCK(loongson2_wait_lock); + +static void loongson2_cpu_wait(void) +{ + unsigned long flags; + u32 cpu_freq; + + spin_lock_irqsave(&loongson2_wait_lock, flags); + cpu_freq = LOONGSON_CHIPCFG0; + LOONGSON_CHIPCFG0 &= ~0x7; /* Put CPU into wait mode */ + LOONGSON_CHIPCFG0 = cpu_freq; /* Restore CPU state */ + spin_unlock_irqrestore(&loongson2_wait_lock, flags); +} + static int __init cpufreq_init(void) { int ret; diff --git a/arch/mips/kernel/perf_event_mipsxx.c b/arch/mips/kernel/perf_event_mipsxx.c index eb5e394..2f28d3b 100644 --- a/arch/mips/kernel/perf_event_mipsxx.c +++ b/arch/mips/kernel/perf_event_mipsxx.c @@ -1559,6 +1559,11 @@ init_hw_perf_events(void) mipspmu.general_event_map = &mipsxxcore_event_map; mipspmu.cache_event_map = &mipsxxcore_cache_map; break; + case CPU_LOONGSON1: + mipspmu.name = "mips/loongson1"; + mipspmu.general_event_map = &mipsxxcore_event_map; + mipspmu.cache_event_map = &mipsxxcore_cache_map; + break; case CPU_CAVIUM_OCTEON: case CPU_CAVIUM_OCTEON_PLUS: case CPU_CAVIUM_OCTEON2: diff --git a/arch/mips/kernel/prom.c b/arch/mips/kernel/prom.c index f11b2bb..028f6f8 100644 --- a/arch/mips/kernel/prom.c +++ b/arch/mips/kernel/prom.c @@ -35,16 +35,6 @@ void __init early_init_dt_add_memory_arch(u64 base, u64 size) return add_memory_region(base, size, BOOT_MEM_RAM); } -int __init reserve_mem_mach(unsigned long addr, unsigned long size) -{ - return reserve_bootmem(addr, size, BOOTMEM_DEFAULT); -} - -void __init free_mem_mach(unsigned long addr, unsigned long size) -{ - return free_bootmem(addr, size); -} - void * __init early_init_dt_alloc_memory_arch(u64 size, u64 align) { return __alloc_bootmem(size, align, __pa(MAX_DMA_ADDRESS)); @@ -77,25 +67,6 @@ void __init early_init_devtree(void *params) of_scan_flat_dt(early_init_dt_scan_memory_arch, NULL); } -void __init device_tree_init(void) -{ - unsigned long base, size; - - if (!initial_boot_params) - return; - - base = virt_to_phys((void *)initial_boot_params); - size = be32_to_cpu(initial_boot_params->totalsize); - - /* Before we do anything, lets reserve the dt blob */ - reserve_mem_mach(base, size); - - unflatten_device_tree(); - - /* free the space reserved for the dt blob */ - free_mem_mach(base, size); -} - void __init __dt_setup_arch(struct boot_param_header *bph) { if (be32_to_cpu(bph->magic) != OF_DT_HEADER) { diff --git a/arch/mips/kernel/smp.c b/arch/mips/kernel/smp.c index 1268392..31637d8 100644 --- a/arch/mips/kernel/smp.c +++ b/arch/mips/kernel/smp.c @@ -102,7 +102,9 @@ asmlinkage __cpuinit void start_secondary(void) #ifdef CONFIG_MIPS_MT_SMTC /* Only do cpu_probe for first TC of CPU */ - if ((read_c0_tcbind() & TCBIND_CURTC) == 0) + if ((read_c0_tcbind() & TCBIND_CURTC) != 0) + __cpu_name[smp_processor_id()] = __cpu_name[0]; + else #endif /* CONFIG_MIPS_MT_SMTC */ cpu_probe(); cpu_report(); diff --git a/arch/mips/kernel/smtc.c b/arch/mips/kernel/smtc.c index 15b5f3c..1d47843 100644 --- a/arch/mips/kernel/smtc.c +++ b/arch/mips/kernel/smtc.c @@ -86,6 +86,13 @@ struct smtc_ipi_q IPIQ[NR_CPUS]; static struct smtc_ipi_q freeIPIq; +/* + * Number of FPU contexts for each VPE + */ + +static int smtc_nconf1[MAX_SMTC_VPES]; + + /* Forward declarations */ void ipi_decode(struct smtc_ipi *); @@ -174,9 +181,9 @@ static int __init tintq(char *str) __setup("tintq=", tintq); -static int imstuckcount[2][8]; +static int imstuckcount[MAX_SMTC_VPES][8]; /* vpemask represents IM/IE bits of per-VPE Status registers, low-to-high */ -static int vpemask[2][8] = { +static int vpemask[MAX_SMTC_VPES][8] = { {0, 0, 1, 0, 0, 0, 0, 1}, {0, 0, 0, 0, 0, 0, 0, 1} }; @@ -331,6 +338,22 @@ int __init smtc_build_cpu_map(int start_cpu_slot) static void smtc_tc_setup(int vpe, int tc, int cpu) { + static int cp1contexts[MAX_SMTC_VPES]; + + /* + * Make a local copy of the available FPU contexts in order + * to keep track of TCs that can have one. + */ + if (tc == 1) + { + /* + * FIXME: Multi-core SMTC hasn't been tested and the + * maximum number of VPEs may change. + */ + cp1contexts[0] = smtc_nconf1[0] - 1; + cp1contexts[1] = smtc_nconf1[1]; + } + settc(tc); write_tc_c0_tchalt(TCHALT_H); mips_ihb(); @@ -343,22 +366,29 @@ static void smtc_tc_setup(int vpe, int tc, int cpu) * an active IPI queue. */ write_tc_c0_tccontext((sizeof(struct smtc_ipi_q) * cpu) << 16); - /* Bind tc to vpe */ + + /* Bind TC to VPE. */ write_tc_c0_tcbind(vpe); + /* In general, all TCs should have the same cpu_data indications. */ memcpy(&cpu_data[cpu], &cpu_data[0], sizeof(struct cpuinfo_mips)); - /* For 34Kf, start with TC/CPU 0 as sole owner of single FPU context */ - if (cpu_data[0].cputype == CPU_34K || - cpu_data[0].cputype == CPU_1004K) + + /* Check to see if there is a FPU context available for this TC. */ + if (!cp1contexts[vpe]) cpu_data[cpu].options &= ~MIPS_CPU_FPU; + else + cp1contexts[vpe]--; + + /* Store the TC and VPE into the cpu_data structure. */ cpu_data[cpu].vpe_id = vpe; cpu_data[cpu].tc_id = tc; - /* Multi-core SMTC hasn't been tested, but be prepared */ + + /* FIXME: Multi-core SMTC hasn't been tested, but be prepared. */ cpu_data[cpu].core = (read_vpe_c0_ebase() >> 1) & 0xff; } /* - * Tweak to get Count registes in as close a sync as possible. The + * Tweak to get Count registers synced as closely as possible. The * value seems good for 34K-class cores. */ @@ -466,6 +496,24 @@ void smtc_prepare_cpus(int cpus) smtc_configure_tlb(); for (tc = 0, vpe = 0 ; (vpe < nvpe) && (tc < ntc) ; vpe++) { + /* Get number of CP1 contexts for each VPE. */ + if (tc == 0) + { + /* + * Do not call settc() for TC0 or the FPU context + * value will be incorrect. Besides, we know that + * we are TC0 anyway. + */ + smtc_nconf1[0] = ((read_vpe_c0_vpeconf1() & + VPECONF1_NCP1) >> VPECONF1_NCP1_SHIFT); + if (nvpe == 2) + { + settc(1); + smtc_nconf1[1] = ((read_vpe_c0_vpeconf1() & + VPECONF1_NCP1) >> VPECONF1_NCP1_SHIFT); + settc(0); + } + } if (tcpervpe[vpe] == 0) continue; if (vpe != 0) @@ -479,6 +527,18 @@ void smtc_prepare_cpus(int cpus) */ if (tc != 0) { smtc_tc_setup(vpe, tc, cpu); + if (vpe != 0) { + /* + * Set MVP bit (possibly again). Do it + * here to catch CPUs that have no TCs + * bound to the VPE at reset. In that + * case, a TC must be bound to the VPE + * before we can set VPEControl[MVP] + */ + write_vpe_c0_vpeconf0( + read_vpe_c0_vpeconf0() | + VPECONF0_MVP); + } cpu++; } printk(" %d", tc); diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c index c3c2935..9be3df1 100644 --- a/arch/mips/kernel/traps.c +++ b/arch/mips/kernel/traps.c @@ -1253,6 +1253,7 @@ static inline void parity_protection_init(void) case CPU_5KC: case CPU_5KE: + case CPU_LOONGSON1: write_c0_ecc(0x80000000); back_to_back_c0_hazard(); /* Set the PE bit (bit 31) in the c0_errctl register. */ diff --git a/arch/mips/lantiq/clk.c b/arch/mips/lantiq/clk.c index d3bcc33..ce2f129 100644 --- a/arch/mips/lantiq/clk.c +++ b/arch/mips/lantiq/clk.c @@ -135,6 +135,11 @@ void clk_deactivate(struct clk *clk) } EXPORT_SYMBOL(clk_deactivate); +struct clk *of_clk_get_from_provider(struct of_phandle_args *clkspec) +{ + return NULL; +} + static inline u32 get_counter_resolution(void) { u32 res; diff --git a/arch/mips/lantiq/prom.c b/arch/mips/lantiq/prom.c index d185e84..6cfd611 100644 --- a/arch/mips/lantiq/prom.c +++ b/arch/mips/lantiq/prom.c @@ -8,7 +8,10 @@ #include <linux/export.h> #include <linux/clk.h> +#include <linux/bootmem.h> #include <linux/of_platform.h> +#include <linux/of_fdt.h> + #include <asm/bootinfo.h> #include <asm/time.h> @@ -70,6 +73,25 @@ void __init plat_mem_setup(void) __dt_setup_arch(&__dtb_start); } +void __init device_tree_init(void) +{ + unsigned long base, size; + + if (!initial_boot_params) + return; + + base = virt_to_phys((void *)initial_boot_params); + size = be32_to_cpu(initial_boot_params->totalsize); + + /* Before we do anything, lets reserve the dt blob */ + reserve_bootmem(base, size, BOOTMEM_DEFAULT); + + unflatten_device_tree(); + + /* free the space reserved for the dt blob */ + free_bootmem(base, size); +} + void __init prom_init(void) { /* call the soc specific detetcion code and get it to fill soc_info */ diff --git a/arch/mips/lantiq/xway/sysctrl.c b/arch/mips/lantiq/xway/sysctrl.c index 83780f7..befbb76 100644 --- a/arch/mips/lantiq/xway/sysctrl.c +++ b/arch/mips/lantiq/xway/sysctrl.c @@ -20,10 +20,12 @@ /* clock control register */ #define CGU_IFCCR 0x0018 +#define CGU_IFCCR_VR9 0x0024 /* system clock register */ #define CGU_SYS 0x0010 /* pci control register */ #define CGU_PCICR 0x0034 +#define CGU_PCICR_VR9 0x0038 /* ephy configuration register */ #define CGU_EPHY 0x10 /* power control register */ @@ -80,6 +82,9 @@ static void __iomem *pmu_membase; void __iomem *ltq_cgu_membase; void __iomem *ltq_ebu_membase; +static u32 ifccr = CGU_IFCCR; +static u32 pcicr = CGU_PCICR; + /* legacy function kept alive to ease clkdev transition */ void ltq_pmu_enable(unsigned int module) { @@ -103,14 +108,14 @@ EXPORT_SYMBOL(ltq_pmu_disable); /* enable a hw clock */ static int cgu_enable(struct clk *clk) { - ltq_cgu_w32(ltq_cgu_r32(CGU_IFCCR) | clk->bits, CGU_IFCCR); + ltq_cgu_w32(ltq_cgu_r32(ifccr) | clk->bits, ifccr); return 0; } /* disable a hw clock */ static void cgu_disable(struct clk *clk) { - ltq_cgu_w32(ltq_cgu_r32(CGU_IFCCR) & ~clk->bits, CGU_IFCCR); + ltq_cgu_w32(ltq_cgu_r32(ifccr) & ~clk->bits, ifccr); } /* enable a clock gate */ @@ -138,22 +143,22 @@ static void pmu_disable(struct clk *clk) /* the pci enable helper */ static int pci_enable(struct clk *clk) { - unsigned int ifccr = ltq_cgu_r32(CGU_IFCCR); + unsigned int val = ltq_cgu_r32(ifccr); /* set bus clock speed */ if (of_machine_is_compatible("lantiq,ar9")) { - ifccr &= ~0x1f00000; + val &= ~0x1f00000; if (clk->rate == CLOCK_33M) - ifccr |= 0xe00000; + val |= 0xe00000; else - ifccr |= 0x700000; /* 62.5M */ + val |= 0x700000; /* 62.5M */ } else { - ifccr &= ~0xf00000; + val &= ~0xf00000; if (clk->rate == CLOCK_33M) - ifccr |= 0x800000; + val |= 0x800000; else - ifccr |= 0x400000; /* 62.5M */ + val |= 0x400000; /* 62.5M */ } - ltq_cgu_w32(ifccr, CGU_IFCCR); + ltq_cgu_w32(val, ifccr); pmu_enable(clk); return 0; } @@ -161,18 +166,16 @@ static int pci_enable(struct clk *clk) /* enable the external clock as a source */ static int pci_ext_enable(struct clk *clk) { - ltq_cgu_w32(ltq_cgu_r32(CGU_IFCCR) & ~(1 << 16), - CGU_IFCCR); - ltq_cgu_w32((1 << 30), CGU_PCICR); + ltq_cgu_w32(ltq_cgu_r32(ifccr) & ~(1 << 16), ifccr); + ltq_cgu_w32((1 << 30), pcicr); return 0; } /* disable the external clock as a source */ static void pci_ext_disable(struct clk *clk) { - ltq_cgu_w32(ltq_cgu_r32(CGU_IFCCR) | (1 << 16), - CGU_IFCCR); - ltq_cgu_w32((1 << 31) | (1 << 30), CGU_PCICR); + ltq_cgu_w32(ltq_cgu_r32(ifccr) | (1 << 16), ifccr); + ltq_cgu_w32((1 << 31) | (1 << 30), pcicr); } /* enable a clockout source */ @@ -184,11 +187,11 @@ static int clkout_enable(struct clk *clk) for (i = 0; i < 4; i++) { if (clk->rates[i] == clk->rate) { int shift = 14 - (2 * clk->module); - unsigned int ifccr = ltq_cgu_r32(CGU_IFCCR); + unsigned int val = ltq_cgu_r32(ifccr); - ifccr &= ~(3 << shift); - ifccr |= i << shift; - ltq_cgu_w32(ifccr, CGU_IFCCR); + val &= ~(3 << shift); + val |= i << shift; + ltq_cgu_w32(val, ifccr); return 0; } } @@ -336,8 +339,12 @@ void __init ltq_soc_init(void) clkdev_add_clkout(); /* add the soc dependent clocks */ - if (!of_machine_is_compatible("lantiq,vr9")) + if (of_machine_is_compatible("lantiq,vr9")) { + ifccr = CGU_IFCCR_VR9; + pcicr = CGU_PCICR_VR9; + } else { clkdev_add_pmu("1e180000.etop", NULL, 0, PMU_PPE); + } if (!of_machine_is_compatible("lantiq,ase")) { clkdev_add_pmu("1e100c00.serial", NULL, 0, PMU_ASC1); diff --git a/arch/mips/lib/Makefile b/arch/mips/lib/Makefile index 2a7c74f..399a50a 100644 --- a/arch/mips/lib/Makefile +++ b/arch/mips/lib/Makefile @@ -2,7 +2,7 @@ # Makefile for MIPS-specific library files.. # -lib-y += csum_partial.o delay.o memcpy.o memcpy-inatomic.o memset.o \ +lib-y += csum_partial.o delay.o memcpy.o memset.o \ strlen_user.o strncpy_user.o strnlen_user.o uncached.o obj-y += iomap.o diff --git a/arch/mips/lib/memcpy-inatomic.S b/arch/mips/lib/memcpy-inatomic.S deleted file mode 100644 index 68853a0..0000000 --- a/arch/mips/lib/memcpy-inatomic.S +++ /dev/null @@ -1,451 +0,0 @@ -/* - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Unified implementation of memcpy, memmove and the __copy_user backend. - * - * Copyright (C) 1998, 99, 2000, 01, 2002 Ralf Baechle (ralf@gnu.org) - * Copyright (C) 1999, 2000, 01, 2002 Silicon Graphics, Inc. - * Copyright (C) 2002 Broadcom, Inc. - * memcpy/copy_user author: Mark Vandevoorde - * Copyright (C) 2007 Maciej W. Rozycki - * - * Mnemonic names for arguments to memcpy/__copy_user - */ - -/* - * Hack to resolve longstanding prefetch issue - * - * Prefetching may be fatal on some systems if we're prefetching beyond the - * end of memory on some systems. It's also a seriously bad idea on non - * dma-coherent systems. - */ -#ifdef CONFIG_DMA_NONCOHERENT -#undef CONFIG_CPU_HAS_PREFETCH -#endif -#ifdef CONFIG_MIPS_MALTA -#undef CONFIG_CPU_HAS_PREFETCH -#endif - -#include <asm/asm.h> -#include <asm/asm-offsets.h> -#include <asm/regdef.h> - -#define dst a0 -#define src a1 -#define len a2 - -/* - * Spec - * - * memcpy copies len bytes from src to dst and sets v0 to dst. - * It assumes that - * - src and dst don't overlap - * - src is readable - * - dst is writable - * memcpy uses the standard calling convention - * - * __copy_user copies up to len bytes from src to dst and sets a2 (len) to - * the number of uncopied bytes due to an exception caused by a read or write. - * __copy_user assumes that src and dst don't overlap, and that the call is - * implementing one of the following: - * copy_to_user - * - src is readable (no exceptions when reading src) - * copy_from_user - * - dst is writable (no exceptions when writing dst) - * __copy_user uses a non-standard calling convention; see - * include/asm-mips/uaccess.h - * - * When an exception happens on a load, the handler must - # ensure that all of the destination buffer is overwritten to prevent - * leaking information to user mode programs. - */ - -/* - * Implementation - */ - -/* - * The exception handler for loads requires that: - * 1- AT contain the address of the byte just past the end of the source - * of the copy, - * 2- src_entry <= src < AT, and - * 3- (dst - src) == (dst_entry - src_entry), - * The _entry suffix denotes values when __copy_user was called. - * - * (1) is set up up by uaccess.h and maintained by not writing AT in copy_user - * (2) is met by incrementing src by the number of bytes copied - * (3) is met by not doing loads between a pair of increments of dst and src - * - * The exception handlers for stores adjust len (if necessary) and return. - * These handlers do not need to overwrite any data. - * - * For __rmemcpy and memmove an exception is always a kernel bug, therefore - * they're not protected. - */ - -#define EXC(inst_reg,addr,handler) \ -9: inst_reg, addr; \ - .section __ex_table,"a"; \ - PTR 9b, handler; \ - .previous - -/* - * Only on the 64-bit kernel we can made use of 64-bit registers. - */ -#ifdef CONFIG_64BIT -#define USE_DOUBLE -#endif - -#ifdef USE_DOUBLE - -#define LOAD ld -#define LOADL ldl -#define LOADR ldr -#define STOREL sdl -#define STORER sdr -#define STORE sd -#define ADD daddu -#define SUB dsubu -#define SRL dsrl -#define SRA dsra -#define SLL dsll -#define SLLV dsllv -#define SRLV dsrlv -#define NBYTES 8 -#define LOG_NBYTES 3 - -/* - * As we are sharing code base with the mips32 tree (which use the o32 ABI - * register definitions). We need to redefine the register definitions from - * the n64 ABI register naming to the o32 ABI register naming. - */ -#undef t0 -#undef t1 -#undef t2 -#undef t3 -#define t0 $8 -#define t1 $9 -#define t2 $10 -#define t3 $11 -#define t4 $12 -#define t5 $13 -#define t6 $14 -#define t7 $15 - -#else - -#define LOAD lw -#define LOADL lwl -#define LOADR lwr -#define STOREL swl -#define STORER swr -#define STORE sw -#define ADD addu -#define SUB subu -#define SRL srl -#define SLL sll -#define SRA sra -#define SLLV sllv -#define SRLV srlv -#define NBYTES 4 -#define LOG_NBYTES 2 - -#endif /* USE_DOUBLE */ - -#ifdef CONFIG_CPU_LITTLE_ENDIAN -#define LDFIRST LOADR -#define LDREST LOADL -#define STFIRST STORER -#define STREST STOREL -#define SHIFT_DISCARD SLLV -#else -#define LDFIRST LOADL -#define LDREST LOADR -#define STFIRST STOREL -#define STREST STORER -#define SHIFT_DISCARD SRLV -#endif - -#define FIRST(unit) ((unit)*NBYTES) -#define REST(unit) (FIRST(unit)+NBYTES-1) -#define UNIT(unit) FIRST(unit) - -#define ADDRMASK (NBYTES-1) - - .text - .set noreorder -#ifndef CONFIG_CPU_DADDI_WORKAROUNDS - .set noat -#else - .set at=v1 -#endif - -/* - * A combined memcpy/__copy_user - * __copy_user sets len to 0 for success; else to an upper bound of - * the number of uncopied bytes. - * memcpy sets v0 to dst. - */ - .align 5 -LEAF(__copy_user_inatomic) - /* - * Note: dst & src may be unaligned, len may be 0 - * Temps - */ -#define rem t8 - - /* - * The "issue break"s below are very approximate. - * Issue delays for dcache fills will perturb the schedule, as will - * load queue full replay traps, etc. - * - * If len < NBYTES use byte operations. - */ - PREF( 0, 0(src) ) - PREF( 1, 0(dst) ) - sltu t2, len, NBYTES - and t1, dst, ADDRMASK - PREF( 0, 1*32(src) ) - PREF( 1, 1*32(dst) ) - bnez t2, .Lcopy_bytes_checklen - and t0, src, ADDRMASK - PREF( 0, 2*32(src) ) - PREF( 1, 2*32(dst) ) - bnez t1, .Ldst_unaligned - nop - bnez t0, .Lsrc_unaligned_dst_aligned - /* - * use delay slot for fall-through - * src and dst are aligned; need to compute rem - */ -.Lboth_aligned: - SRL t0, len, LOG_NBYTES+3 # +3 for 8 units/iter - beqz t0, .Lcleanup_both_aligned # len < 8*NBYTES - and rem, len, (8*NBYTES-1) # rem = len % (8*NBYTES) - PREF( 0, 3*32(src) ) - PREF( 1, 3*32(dst) ) - .align 4 -1: -EXC( LOAD t0, UNIT(0)(src), .Ll_exc) -EXC( LOAD t1, UNIT(1)(src), .Ll_exc_copy) -EXC( LOAD t2, UNIT(2)(src), .Ll_exc_copy) -EXC( LOAD t3, UNIT(3)(src), .Ll_exc_copy) - SUB len, len, 8*NBYTES -EXC( LOAD t4, UNIT(4)(src), .Ll_exc_copy) -EXC( LOAD t7, UNIT(5)(src), .Ll_exc_copy) - STORE t0, UNIT(0)(dst) - STORE t1, UNIT(1)(dst) -EXC( LOAD t0, UNIT(6)(src), .Ll_exc_copy) -EXC( LOAD t1, UNIT(7)(src), .Ll_exc_copy) - ADD src, src, 8*NBYTES - ADD dst, dst, 8*NBYTES - STORE t2, UNIT(-6)(dst) - STORE t3, UNIT(-5)(dst) - STORE t4, UNIT(-4)(dst) - STORE t7, UNIT(-3)(dst) - STORE t0, UNIT(-2)(dst) - STORE t1, UNIT(-1)(dst) - PREF( 0, 8*32(src) ) - PREF( 1, 8*32(dst) ) - bne len, rem, 1b - nop - - /* - * len == rem == the number of bytes left to copy < 8*NBYTES - */ -.Lcleanup_both_aligned: - beqz len, .Ldone - sltu t0, len, 4*NBYTES - bnez t0, .Lless_than_4units - and rem, len, (NBYTES-1) # rem = len % NBYTES - /* - * len >= 4*NBYTES - */ -EXC( LOAD t0, UNIT(0)(src), .Ll_exc) -EXC( LOAD t1, UNIT(1)(src), .Ll_exc_copy) -EXC( LOAD t2, UNIT(2)(src), .Ll_exc_copy) -EXC( LOAD t3, UNIT(3)(src), .Ll_exc_copy) - SUB len, len, 4*NBYTES - ADD src, src, 4*NBYTES - STORE t0, UNIT(0)(dst) - STORE t1, UNIT(1)(dst) - STORE t2, UNIT(2)(dst) - STORE t3, UNIT(3)(dst) - .set reorder /* DADDI_WAR */ - ADD dst, dst, 4*NBYTES - beqz len, .Ldone - .set noreorder -.Lless_than_4units: - /* - * rem = len % NBYTES - */ - beq rem, len, .Lcopy_bytes - nop -1: -EXC( LOAD t0, 0(src), .Ll_exc) - ADD src, src, NBYTES - SUB len, len, NBYTES - STORE t0, 0(dst) - .set reorder /* DADDI_WAR */ - ADD dst, dst, NBYTES - bne rem, len, 1b - .set noreorder - - /* - * src and dst are aligned, need to copy rem bytes (rem < NBYTES) - * A loop would do only a byte at a time with possible branch - * mispredicts. Can't do an explicit LOAD dst,mask,or,STORE - * because can't assume read-access to dst. Instead, use - * STREST dst, which doesn't require read access to dst. - * - * This code should perform better than a simple loop on modern, - * wide-issue mips processors because the code has fewer branches and - * more instruction-level parallelism. - */ -#define bits t2 - beqz len, .Ldone - ADD t1, dst, len # t1 is just past last byte of dst - li bits, 8*NBYTES - SLL rem, len, 3 # rem = number of bits to keep -EXC( LOAD t0, 0(src), .Ll_exc) - SUB bits, bits, rem # bits = number of bits to discard - SHIFT_DISCARD t0, t0, bits - STREST t0, -1(t1) - jr ra - move len, zero -.Ldst_unaligned: - /* - * dst is unaligned - * t0 = src & ADDRMASK - * t1 = dst & ADDRMASK; T1 > 0 - * len >= NBYTES - * - * Copy enough bytes to align dst - * Set match = (src and dst have same alignment) - */ -#define match rem -EXC( LDFIRST t3, FIRST(0)(src), .Ll_exc) - ADD t2, zero, NBYTES -EXC( LDREST t3, REST(0)(src), .Ll_exc_copy) - SUB t2, t2, t1 # t2 = number of bytes copied - xor match, t0, t1 - STFIRST t3, FIRST(0)(dst) - beq len, t2, .Ldone - SUB len, len, t2 - ADD dst, dst, t2 - beqz match, .Lboth_aligned - ADD src, src, t2 - -.Lsrc_unaligned_dst_aligned: - SRL t0, len, LOG_NBYTES+2 # +2 for 4 units/iter - PREF( 0, 3*32(src) ) - beqz t0, .Lcleanup_src_unaligned - and rem, len, (4*NBYTES-1) # rem = len % 4*NBYTES - PREF( 1, 3*32(dst) ) -1: -/* - * Avoid consecutive LD*'s to the same register since some mips - * implementations can't issue them in the same cycle. - * It's OK to load FIRST(N+1) before REST(N) because the two addresses - * are to the same unit (unless src is aligned, but it's not). - */ -EXC( LDFIRST t0, FIRST(0)(src), .Ll_exc) -EXC( LDFIRST t1, FIRST(1)(src), .Ll_exc_copy) - SUB len, len, 4*NBYTES -EXC( LDREST t0, REST(0)(src), .Ll_exc_copy) -EXC( LDREST t1, REST(1)(src), .Ll_exc_copy) -EXC( LDFIRST t2, FIRST(2)(src), .Ll_exc_copy) -EXC( LDFIRST t3, FIRST(3)(src), .Ll_exc_copy) -EXC( LDREST t2, REST(2)(src), .Ll_exc_copy) -EXC( LDREST t3, REST(3)(src), .Ll_exc_copy) - PREF( 0, 9*32(src) ) # 0 is PREF_LOAD (not streamed) - ADD src, src, 4*NBYTES -#ifdef CONFIG_CPU_SB1 - nop # improves slotting -#endif - STORE t0, UNIT(0)(dst) - STORE t1, UNIT(1)(dst) - STORE t2, UNIT(2)(dst) - STORE t3, UNIT(3)(dst) - PREF( 1, 9*32(dst) ) # 1 is PREF_STORE (not streamed) - .set reorder /* DADDI_WAR */ - ADD dst, dst, 4*NBYTES - bne len, rem, 1b - .set noreorder - -.Lcleanup_src_unaligned: - beqz len, .Ldone - and rem, len, NBYTES-1 # rem = len % NBYTES - beq rem, len, .Lcopy_bytes - nop -1: -EXC( LDFIRST t0, FIRST(0)(src), .Ll_exc) -EXC( LDREST t0, REST(0)(src), .Ll_exc_copy) - ADD src, src, NBYTES - SUB len, len, NBYTES - STORE t0, 0(dst) - .set reorder /* DADDI_WAR */ - ADD dst, dst, NBYTES - bne len, rem, 1b - .set noreorder - -.Lcopy_bytes_checklen: - beqz len, .Ldone - nop -.Lcopy_bytes: - /* 0 < len < NBYTES */ -#define COPY_BYTE(N) \ -EXC( lb t0, N(src), .Ll_exc); \ - SUB len, len, 1; \ - beqz len, .Ldone; \ - sb t0, N(dst) - - COPY_BYTE(0) - COPY_BYTE(1) -#ifdef USE_DOUBLE - COPY_BYTE(2) - COPY_BYTE(3) - COPY_BYTE(4) - COPY_BYTE(5) -#endif -EXC( lb t0, NBYTES-2(src), .Ll_exc) - SUB len, len, 1 - jr ra - sb t0, NBYTES-2(dst) -.Ldone: - jr ra - nop - END(__copy_user_inatomic) - -.Ll_exc_copy: - /* - * Copy bytes from src until faulting load address (or until a - * lb faults) - * - * When reached by a faulting LDFIRST/LDREST, THREAD_BUADDR($28) - * may be more than a byte beyond the last address. - * Hence, the lb below may get an exception. - * - * Assumes src < THREAD_BUADDR($28) - */ - LOAD t0, TI_TASK($28) - nop - LOAD t0, THREAD_BUADDR(t0) -1: -EXC( lb t1, 0(src), .Ll_exc) - ADD src, src, 1 - sb t1, 0(dst) # can't fault -- we're copy_from_user - .set reorder /* DADDI_WAR */ - ADD dst, dst, 1 - bne src, t0, 1b - .set noreorder -.Ll_exc: - LOAD t0, TI_TASK($28) - nop - LOAD t0, THREAD_BUADDR(t0) # t0 is just past last good address - nop - SUB len, AT, t0 # len number of uncopied bytes - jr ra - nop diff --git a/arch/mips/lib/memcpy.S b/arch/mips/lib/memcpy.S index 56a1f85..65192c0 100644 --- a/arch/mips/lib/memcpy.S +++ b/arch/mips/lib/memcpy.S @@ -183,6 +183,14 @@ #endif /* + * t6 is used as a flag to note inatomic mode. + */ +LEAF(__copy_user_inatomic) + b __copy_user_common + li t6, 1 + END(__copy_user_inatomic) + +/* * A combined memcpy/__copy_user * __copy_user sets len to 0 for success; else to an upper bound of * the number of uncopied bytes. @@ -193,6 +201,8 @@ LEAF(memcpy) /* a0=dst a1=src a2=len */ move v0, dst /* return value */ .L__memcpy: FEXPORT(__copy_user) + li t6, 0 /* not inatomic */ +__copy_user_common: /* * Note: dst & src may be unaligned, len may be 0 * Temps @@ -458,6 +468,7 @@ EXC( lb t1, 0(src), .Ll_exc) LOAD t0, THREAD_BUADDR(t0) # t0 is just past last good address nop SUB len, AT, t0 # len number of uncopied bytes + bnez t6, .Ldone /* Skip the zeroing part if inatomic */ /* * Here's where we rely on src and dst being incremented in tandem, * See (3) above. diff --git a/arch/mips/loongson/Kconfig b/arch/mips/loongson/Kconfig index aca93ee..263beb9 100644 --- a/arch/mips/loongson/Kconfig +++ b/arch/mips/loongson/Kconfig @@ -41,6 +41,7 @@ config LEMOTE_MACH2F select CSRC_R4K if ! MIPS_EXTERNAL_TIMER select DMA_NONCOHERENT select GENERIC_ISA_DMA_SUPPORT_BROKEN + select HAVE_CLK select HW_HAS_PCI select I8259 select IRQ_CPU diff --git a/arch/mips/loongson/lemote-2f/Makefile b/arch/mips/loongson/lemote-2f/Makefile index 8699a53..4f9eaa3 100644 --- a/arch/mips/loongson/lemote-2f/Makefile +++ b/arch/mips/loongson/lemote-2f/Makefile @@ -2,7 +2,7 @@ # Makefile for lemote loongson2f family machines # -obj-y += machtype.o irq.o reset.o ec_kb3310b.o +obj-y += clock.o machtype.o irq.o reset.o ec_kb3310b.o # # Suspend Support diff --git a/arch/mips/kernel/cpufreq/loongson2_clock.c b/arch/mips/loongson/lemote-2f/clock.c index 5426779..bc739d4 100644 --- a/arch/mips/kernel/cpufreq/loongson2_clock.c +++ b/arch/mips/loongson/lemote-2f/clock.c @@ -6,14 +6,17 @@ * License. See the file "COPYING" in the main directory of this archive * for more details. */ - -#include <linux/module.h> +#include <linux/clk.h> #include <linux/cpufreq.h> -#include <linux/platform_device.h> +#include <linux/errno.h> +#include <linux/export.h> +#include <linux/init.h> +#include <linux/list.h> +#include <linux/mutex.h> +#include <linux/spinlock.h> #include <asm/clock.h> - -#include <loongson.h> +#include <asm/mach-loongson/loongson.h> static LIST_HEAD(clock_list); static DEFINE_SPINLOCK(clock_lock); @@ -89,12 +92,6 @@ EXPORT_SYMBOL(clk_put); int clk_set_rate(struct clk *clk, unsigned long rate) { - return clk_set_rate_ex(clk, rate, 0); -} -EXPORT_SYMBOL_GPL(clk_set_rate); - -int clk_set_rate_ex(struct clk *clk, unsigned long rate, int algo_id) -{ int ret = 0; int regval; int i; @@ -103,7 +100,7 @@ int clk_set_rate_ex(struct clk *clk, unsigned long rate, int algo_id) unsigned long flags; spin_lock_irqsave(&clock_lock, flags); - ret = clk->ops->set_rate(clk, rate, algo_id); + ret = clk->ops->set_rate(clk, rate, 0); spin_unlock_irqrestore(&clock_lock, flags); } @@ -129,7 +126,7 @@ int clk_set_rate_ex(struct clk *clk, unsigned long rate, int algo_id) return ret; } -EXPORT_SYMBOL_GPL(clk_set_rate_ex); +EXPORT_SYMBOL_GPL(clk_set_rate); long clk_round_rate(struct clk *clk, unsigned long rate) { @@ -146,26 +143,3 @@ long clk_round_rate(struct clk *clk, unsigned long rate) return rate; } EXPORT_SYMBOL_GPL(clk_round_rate); - -/* - * This is the simple version of Loongson-2 wait, Maybe we need do this in - * interrupt disabled content - */ - -DEFINE_SPINLOCK(loongson2_wait_lock); -void loongson2_cpu_wait(void) -{ - u32 cpu_freq; - unsigned long flags; - - spin_lock_irqsave(&loongson2_wait_lock, flags); - cpu_freq = LOONGSON_CHIPCFG0; - LOONGSON_CHIPCFG0 &= ~0x7; /* Put CPU into wait mode */ - LOONGSON_CHIPCFG0 = cpu_freq; /* Restore CPU state */ - spin_unlock_irqrestore(&loongson2_wait_lock, flags); -} -EXPORT_SYMBOL_GPL(loongson2_cpu_wait); - -MODULE_AUTHOR("Yanhua <yanh@lemote.com>"); -MODULE_DESCRIPTION("cpufreq driver for Loongson 2F"); -MODULE_LICENSE("GPL"); diff --git a/arch/mips/loongson1/Kconfig b/arch/mips/loongson1/Kconfig new file mode 100644 index 0000000..a9a14d6 --- /dev/null +++ b/arch/mips/loongson1/Kconfig @@ -0,0 +1,22 @@ +if MACH_LOONGSON1 + +choice + prompt "Machine Type" + +config LOONGSON1_LS1B + bool "Loongson LS1B board" + select CEVT_R4K + select CSRC_R4K + select SYS_HAS_CPU_LOONGSON1B + select DMA_NONCOHERENT + select BOOT_ELF32 + select IRQ_CPU + select SYS_SUPPORTS_32BIT_KERNEL + select SYS_SUPPORTS_LITTLE_ENDIAN + select SYS_SUPPORTS_HIGHMEM + select SYS_HAS_EARLY_PRINTK + select HAVE_CLK + +endchoice + +endif # MACH_LOONGSON1 diff --git a/arch/mips/loongson1/Makefile b/arch/mips/loongson1/Makefile new file mode 100644 index 0000000..9719c75 --- /dev/null +++ b/arch/mips/loongson1/Makefile @@ -0,0 +1,11 @@ +# +# Common code for all Loongson 1 based systems +# + +obj-$(CONFIG_MACH_LOONGSON1) += common/ + +# +# Loongson LS1B board +# + +obj-$(CONFIG_LOONGSON1_LS1B) += ls1b/ diff --git a/arch/mips/loongson1/Platform b/arch/mips/loongson1/Platform new file mode 100644 index 0000000..99bdefe --- /dev/null +++ b/arch/mips/loongson1/Platform @@ -0,0 +1,7 @@ +cflags-$(CONFIG_CPU_LOONGSON1) += \ + $(call cc-option,-march=mips32r2,-mips32r2 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS32) \ + -Wa,-mips32r2 -Wa,--trap + +platform-$(CONFIG_MACH_LOONGSON1) += loongson1/ +cflags-$(CONFIG_MACH_LOONGSON1) += -I$(srctree)/arch/mips/include/asm/mach-loongson1 +load-$(CONFIG_LOONGSON1_LS1B) += 0xffffffff80100000 diff --git a/arch/mips/loongson1/common/Makefile b/arch/mips/loongson1/common/Makefile new file mode 100644 index 0000000..b279770 --- /dev/null +++ b/arch/mips/loongson1/common/Makefile @@ -0,0 +1,5 @@ +# +# Makefile for common code of loongson1 based machines. +# + +obj-y += clock.o irq.o platform.o prom.o reset.o setup.o diff --git a/arch/mips/loongson1/common/clock.c b/arch/mips/loongson1/common/clock.c new file mode 100644 index 0000000..1bbbbec --- /dev/null +++ b/arch/mips/loongson1/common/clock.c @@ -0,0 +1,181 @@ +/* + * Copyright (c) 2011 Zhang, Keguang <keguang.zhang@gmail.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include <linux/module.h> +#include <linux/list.h> +#include <linux/mutex.h> +#include <linux/clk.h> +#include <linux/err.h> +#include <asm/clock.h> +#include <asm/time.h> + +#include <loongson1.h> + +static LIST_HEAD(clocks); +static DEFINE_MUTEX(clocks_mutex); + +struct clk *clk_get(struct device *dev, const char *name) +{ + struct clk *c; + struct clk *ret = NULL; + + mutex_lock(&clocks_mutex); + list_for_each_entry(c, &clocks, node) { + if (!strcmp(c->name, name)) { + ret = c; + break; + } + } + mutex_unlock(&clocks_mutex); + + return ret; +} +EXPORT_SYMBOL(clk_get); + +int clk_enable(struct clk *clk) +{ + return 0; +} +EXPORT_SYMBOL(clk_enable); + +void clk_disable(struct clk *clk) +{ +} +EXPORT_SYMBOL(clk_disable); + +unsigned long clk_get_rate(struct clk *clk) +{ + return clk->rate; +} +EXPORT_SYMBOL(clk_get_rate); + +void clk_put(struct clk *clk) +{ +} +EXPORT_SYMBOL(clk_put); + +static void pll_clk_init(struct clk *clk) +{ + u32 pll; + + pll = __raw_readl(LS1X_CLK_PLL_FREQ); + clk->rate = (12 + (pll & 0x3f)) * 33 / 2 + + ((pll >> 8) & 0x3ff) * 33 / 1024 / 2; + clk->rate *= 1000000; +} + +static void cpu_clk_init(struct clk *clk) +{ + u32 pll, ctrl; + + pll = clk_get_rate(clk->parent); + ctrl = __raw_readl(LS1X_CLK_PLL_DIV) & DIV_CPU; + clk->rate = pll / (ctrl >> DIV_CPU_SHIFT); +} + +static void ddr_clk_init(struct clk *clk) +{ + u32 pll, ctrl; + + pll = clk_get_rate(clk->parent); + ctrl = __raw_readl(LS1X_CLK_PLL_DIV) & DIV_DDR; + clk->rate = pll / (ctrl >> DIV_DDR_SHIFT); +} + +static void dc_clk_init(struct clk *clk) +{ + u32 pll, ctrl; + + pll = clk_get_rate(clk->parent); + ctrl = __raw_readl(LS1X_CLK_PLL_DIV) & DIV_DC; + clk->rate = pll / (ctrl >> DIV_DC_SHIFT); +} + +static struct clk_ops pll_clk_ops = { + .init = pll_clk_init, +}; + +static struct clk_ops cpu_clk_ops = { + .init = cpu_clk_init, +}; + +static struct clk_ops ddr_clk_ops = { + .init = ddr_clk_init, +}; + +static struct clk_ops dc_clk_ops = { + .init = dc_clk_init, +}; + +static struct clk pll_clk = { + .name = "pll", + .ops = &pll_clk_ops, +}; + +static struct clk cpu_clk = { + .name = "cpu", + .parent = &pll_clk, + .ops = &cpu_clk_ops, +}; + +static struct clk ddr_clk = { + .name = "ddr", + .parent = &pll_clk, + .ops = &ddr_clk_ops, +}; + +static struct clk dc_clk = { + .name = "dc", + .parent = &pll_clk, + .ops = &dc_clk_ops, +}; + +int clk_register(struct clk *clk) +{ + mutex_lock(&clocks_mutex); + list_add(&clk->node, &clocks); + if (clk->ops->init) + clk->ops->init(clk); + mutex_unlock(&clocks_mutex); + + return 0; +} +EXPORT_SYMBOL(clk_register); + +static struct clk *ls1x_clks[] = { + &pll_clk, + &cpu_clk, + &ddr_clk, + &dc_clk, +}; + +int __init ls1x_clock_init(void) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(ls1x_clks); i++) + clk_register(ls1x_clks[i]); + + return 0; +} + +void __init plat_time_init(void) +{ + struct clk *clk; + + /* Initialize LS1X clocks */ + ls1x_clock_init(); + + /* setup mips r4k timer */ + clk = clk_get(NULL, "cpu"); + if (IS_ERR(clk)) + panic("unable to get dc clock, err=%ld", PTR_ERR(clk)); + + mips_hpt_frequency = clk_get_rate(clk) / 2; +} diff --git a/arch/mips/loongson1/common/irq.c b/arch/mips/loongson1/common/irq.c new file mode 100644 index 0000000..41bc8ff --- /dev/null +++ b/arch/mips/loongson1/common/irq.c @@ -0,0 +1,147 @@ +/* + * Copyright (c) 2011 Zhang, Keguang <keguang.zhang@gmail.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include <linux/interrupt.h> +#include <linux/irq.h> +#include <asm/irq_cpu.h> + +#include <loongson1.h> +#include <irq.h> + +#define LS1X_INTC_REG(n, x) \ + ((void __iomem *)KSEG1ADDR(LS1X_INTC_BASE + (n * 0x18) + (x))) + +#define LS1X_INTC_INTISR(n) LS1X_INTC_REG(n, 0x0) +#define LS1X_INTC_INTIEN(n) LS1X_INTC_REG(n, 0x4) +#define LS1X_INTC_INTSET(n) LS1X_INTC_REG(n, 0x8) +#define LS1X_INTC_INTCLR(n) LS1X_INTC_REG(n, 0xc) +#define LS1X_INTC_INTPOL(n) LS1X_INTC_REG(n, 0x10) +#define LS1X_INTC_INTEDGE(n) LS1X_INTC_REG(n, 0x14) + +static void ls1x_irq_ack(struct irq_data *d) +{ + unsigned int bit = (d->irq - LS1X_IRQ_BASE) & 0x1f; + unsigned int n = (d->irq - LS1X_IRQ_BASE) >> 5; + + __raw_writel(__raw_readl(LS1X_INTC_INTCLR(n)) + | (1 << bit), LS1X_INTC_INTCLR(n)); +} + +static void ls1x_irq_mask(struct irq_data *d) +{ + unsigned int bit = (d->irq - LS1X_IRQ_BASE) & 0x1f; + unsigned int n = (d->irq - LS1X_IRQ_BASE) >> 5; + + __raw_writel(__raw_readl(LS1X_INTC_INTIEN(n)) + & ~(1 << bit), LS1X_INTC_INTIEN(n)); +} + +static void ls1x_irq_mask_ack(struct irq_data *d) +{ + unsigned int bit = (d->irq - LS1X_IRQ_BASE) & 0x1f; + unsigned int n = (d->irq - LS1X_IRQ_BASE) >> 5; + + __raw_writel(__raw_readl(LS1X_INTC_INTIEN(n)) + & ~(1 << bit), LS1X_INTC_INTIEN(n)); + __raw_writel(__raw_readl(LS1X_INTC_INTCLR(n)) + | (1 << bit), LS1X_INTC_INTCLR(n)); +} + +static void ls1x_irq_unmask(struct irq_data *d) +{ + unsigned int bit = (d->irq - LS1X_IRQ_BASE) & 0x1f; + unsigned int n = (d->irq - LS1X_IRQ_BASE) >> 5; + + __raw_writel(__raw_readl(LS1X_INTC_INTIEN(n)) + | (1 << bit), LS1X_INTC_INTIEN(n)); +} + +static struct irq_chip ls1x_irq_chip = { + .name = "LS1X-INTC", + .irq_ack = ls1x_irq_ack, + .irq_mask = ls1x_irq_mask, + .irq_mask_ack = ls1x_irq_mask_ack, + .irq_unmask = ls1x_irq_unmask, +}; + +static void ls1x_irq_dispatch(int n) +{ + u32 int_status, irq; + + /* Get pending sources, masked by current enables */ + int_status = __raw_readl(LS1X_INTC_INTISR(n)) & + __raw_readl(LS1X_INTC_INTIEN(n)); + + if (int_status) { + irq = LS1X_IRQ(n, __ffs(int_status)); + do_IRQ(irq); + } +} + +asmlinkage void plat_irq_dispatch(void) +{ + unsigned int pending; + + pending = read_c0_cause() & read_c0_status() & ST0_IM; + + if (pending & CAUSEF_IP7) + do_IRQ(TIMER_IRQ); + else if (pending & CAUSEF_IP2) + ls1x_irq_dispatch(0); /* INT0 */ + else if (pending & CAUSEF_IP3) + ls1x_irq_dispatch(1); /* INT1 */ + else if (pending & CAUSEF_IP4) + ls1x_irq_dispatch(2); /* INT2 */ + else if (pending & CAUSEF_IP5) + ls1x_irq_dispatch(3); /* INT3 */ + else if (pending & CAUSEF_IP6) + ls1x_irq_dispatch(4); /* INT4 */ + else + spurious_interrupt(); + +} + +struct irqaction cascade_irqaction = { + .handler = no_action, + .name = "cascade", + .flags = IRQF_NO_THREAD, +}; + +static void __init ls1x_irq_init(int base) +{ + int n; + + /* Disable interrupts and clear pending, + * setup all IRQs as high level triggered + */ + for (n = 0; n < 4; n++) { + __raw_writel(0x0, LS1X_INTC_INTIEN(n)); + __raw_writel(0xffffffff, LS1X_INTC_INTCLR(n)); + __raw_writel(0xffffffff, LS1X_INTC_INTPOL(n)); + /* set DMA0, DMA1 and DMA2 to edge trigger */ + __raw_writel(n ? 0x0 : 0xe000, LS1X_INTC_INTEDGE(n)); + } + + + for (n = base; n < LS1X_IRQS; n++) { + irq_set_chip_and_handler(n, &ls1x_irq_chip, + handle_level_irq); + } + + setup_irq(INT0_IRQ, &cascade_irqaction); + setup_irq(INT1_IRQ, &cascade_irqaction); + setup_irq(INT2_IRQ, &cascade_irqaction); + setup_irq(INT3_IRQ, &cascade_irqaction); +} + +void __init arch_init_irq(void) +{ + mips_cpu_irq_init(); + ls1x_irq_init(LS1X_IRQ_BASE); +} diff --git a/arch/mips/loongson1/common/platform.c b/arch/mips/loongson1/common/platform.c new file mode 100644 index 0000000..e92d59c --- /dev/null +++ b/arch/mips/loongson1/common/platform.c @@ -0,0 +1,124 @@ +/* + * Copyright (c) 2011 Zhang, Keguang <keguang.zhang@gmail.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include <linux/clk.h> +#include <linux/dma-mapping.h> +#include <linux/err.h> +#include <linux/phy.h> +#include <linux/serial_8250.h> +#include <linux/stmmac.h> +#include <asm-generic/sizes.h> + +#include <loongson1.h> + +#define LS1X_UART(_id) \ + { \ + .mapbase = LS1X_UART ## _id ## _BASE, \ + .irq = LS1X_UART ## _id ## _IRQ, \ + .iotype = UPIO_MEM, \ + .flags = UPF_IOREMAP | UPF_FIXED_TYPE, \ + .type = PORT_16550A, \ + } + +static struct plat_serial8250_port ls1x_serial8250_port[] = { + LS1X_UART(0), + LS1X_UART(1), + LS1X_UART(2), + LS1X_UART(3), + {}, +}; + +struct platform_device ls1x_uart_device = { + .name = "serial8250", + .id = PLAT8250_DEV_PLATFORM, + .dev = { + .platform_data = ls1x_serial8250_port, + }, +}; + +void __init ls1x_serial_setup(void) +{ + struct clk *clk; + struct plat_serial8250_port *p; + + clk = clk_get(NULL, "dc"); + if (IS_ERR(clk)) + panic("unable to get dc clock, err=%ld", PTR_ERR(clk)); + + for (p = ls1x_serial8250_port; p->flags != 0; ++p) + p->uartclk = clk_get_rate(clk); +} + +/* Synopsys Ethernet GMAC */ +static struct resource ls1x_eth0_resources[] = { + [0] = { + .start = LS1X_GMAC0_BASE, + .end = LS1X_GMAC0_BASE + SZ_64K - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .name = "macirq", + .start = LS1X_GMAC0_IRQ, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct stmmac_mdio_bus_data ls1x_mdio_bus_data = { + .bus_id = 0, + .phy_mask = 0, +}; + +static struct plat_stmmacenet_data ls1x_eth_data = { + .bus_id = 0, + .phy_addr = -1, + .mdio_bus_data = &ls1x_mdio_bus_data, + .has_gmac = 1, + .tx_coe = 1, +}; + +struct platform_device ls1x_eth0_device = { + .name = "stmmaceth", + .id = 0, + .num_resources = ARRAY_SIZE(ls1x_eth0_resources), + .resource = ls1x_eth0_resources, + .dev = { + .platform_data = &ls1x_eth_data, + }, +}; + +/* USB EHCI */ +static u64 ls1x_ehci_dmamask = DMA_BIT_MASK(32); + +static struct resource ls1x_ehci_resources[] = { + [0] = { + .start = LS1X_EHCI_BASE, + .end = LS1X_EHCI_BASE + SZ_32K - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = LS1X_EHCI_IRQ, + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device ls1x_ehci_device = { + .name = "ls1x-ehci", + .id = -1, + .num_resources = ARRAY_SIZE(ls1x_ehci_resources), + .resource = ls1x_ehci_resources, + .dev = { + .dma_mask = &ls1x_ehci_dmamask, + }, +}; + +/* Real Time Clock */ +struct platform_device ls1x_rtc_device = { + .name = "ls1x-rtc", + .id = -1, +}; diff --git a/arch/mips/loongson1/common/prom.c b/arch/mips/loongson1/common/prom.c new file mode 100644 index 0000000..1f8e49f --- /dev/null +++ b/arch/mips/loongson1/common/prom.c @@ -0,0 +1,87 @@ +/* + * Copyright (c) 2011 Zhang, Keguang <keguang.zhang@gmail.com> + * + * Modified from arch/mips/pnx833x/common/prom.c. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include <linux/serial_reg.h> +#include <asm/bootinfo.h> + +#include <loongson1.h> +#include <prom.h> + +int prom_argc; +char **prom_argv, **prom_envp; +unsigned long memsize, highmemsize; + +char *prom_getenv(char *envname) +{ + char **env = prom_envp; + int i; + + i = strlen(envname); + + while (*env) { + if (strncmp(envname, *env, i) == 0 && *(*env+i) == '=') + return *env + i + 1; + env++; + } + + return 0; +} + +static inline unsigned long env_or_default(char *env, unsigned long dfl) +{ + char *str = prom_getenv(env); + return str ? simple_strtol(str, 0, 0) : dfl; +} + +void __init prom_init_cmdline(void) +{ + char *c = &(arcs_cmdline[0]); + int i; + + for (i = 1; i < prom_argc; i++) { + strcpy(c, prom_argv[i]); + c += strlen(prom_argv[i]); + if (i < prom_argc-1) + *c++ = ' '; + } + *c = 0; +} + +void __init prom_init(void) +{ + prom_argc = fw_arg0; + prom_argv = (char **)fw_arg1; + prom_envp = (char **)fw_arg2; + + prom_init_cmdline(); + + memsize = env_or_default("memsize", DEFAULT_MEMSIZE); + highmemsize = env_or_default("highmemsize", 0x0); +} + +void __init prom_free_prom_memory(void) +{ +} + +#define PORT(offset) (u8 *)(KSEG1ADDR(LS1X_UART0_BASE + offset)) + +void __init prom_putchar(char c) +{ + int timeout; + + timeout = 1024; + + while (((readb(PORT(UART_LSR)) & UART_LSR_THRE) == 0) + && (timeout-- > 0)) + ; + + writeb(c, PORT(UART_TX)); +} diff --git a/arch/mips/loongson1/common/reset.c b/arch/mips/loongson1/common/reset.c new file mode 100644 index 0000000..fb979a7 --- /dev/null +++ b/arch/mips/loongson1/common/reset.c @@ -0,0 +1,45 @@ +/* + * Copyright (c) 2011 Zhang, Keguang <keguang.zhang@gmail.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include <linux/io.h> +#include <linux/pm.h> +#include <asm/reboot.h> + +#include <loongson1.h> + +static void ls1x_restart(char *command) +{ + __raw_writel(0x1, LS1X_WDT_EN); + __raw_writel(0x5000000, LS1X_WDT_TIMER); + __raw_writel(0x1, LS1X_WDT_SET); +} + +static void ls1x_halt(void) +{ + while (1) { + if (cpu_wait) + cpu_wait(); + } +} + +static void ls1x_power_off(void) +{ + ls1x_halt(); +} + +static int __init ls1x_reboot_setup(void) +{ + _machine_restart = ls1x_restart; + _machine_halt = ls1x_halt; + pm_power_off = ls1x_power_off; + + return 0; +} + +arch_initcall(ls1x_reboot_setup); diff --git a/arch/mips/loongson1/common/setup.c b/arch/mips/loongson1/common/setup.c new file mode 100644 index 0000000..62128cc --- /dev/null +++ b/arch/mips/loongson1/common/setup.c @@ -0,0 +1,29 @@ +/* + * Copyright (c) 2011 Zhang, Keguang <keguang.zhang@gmail.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include <asm/bootinfo.h> + +#include <prom.h> + +void __init plat_mem_setup(void) +{ + add_memory_region(0x0, (memsize << 20), BOOT_MEM_RAM); +} + +const char *get_system_type(void) +{ + unsigned int processor_id = (¤t_cpu_data)->processor_id; + + switch (processor_id & PRID_REV_MASK) { + case PRID_REV_LOONGSON1B: + return "LOONGSON LS1B"; + default: + return "LOONGSON (unknown)"; + } +} diff --git a/arch/mips/loongson1/ls1b/Makefile b/arch/mips/loongson1/ls1b/Makefile new file mode 100644 index 0000000..891eac4 --- /dev/null +++ b/arch/mips/loongson1/ls1b/Makefile @@ -0,0 +1,5 @@ +# +# Makefile for loongson1B based machines. +# + +obj-y += board.o diff --git a/arch/mips/loongson1/ls1b/board.c b/arch/mips/loongson1/ls1b/board.c new file mode 100644 index 0000000..295b1be --- /dev/null +++ b/arch/mips/loongson1/ls1b/board.c @@ -0,0 +1,33 @@ +/* + * Copyright (c) 2011 Zhang, Keguang <keguang.zhang@gmail.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include <platform.h> + +#include <linux/serial_8250.h> +#include <loongson1.h> + +static struct platform_device *ls1b_platform_devices[] __initdata = { + &ls1x_uart_device, + &ls1x_eth0_device, + &ls1x_ehci_device, + &ls1x_rtc_device, +}; + +static int __init ls1b_platform_init(void) +{ + int err; + + ls1x_serial_setup(); + + err = platform_add_devices(ls1b_platform_devices, + ARRAY_SIZE(ls1b_platform_devices)); + return err; +} + +arch_initcall(ls1b_platform_init); diff --git a/arch/mips/mm/uasm.c b/arch/mips/mm/uasm.c index 5fa1851..64a28e8 100644 --- a/arch/mips/mm/uasm.c +++ b/arch/mips/mm/uasm.c @@ -58,18 +58,16 @@ enum fields { enum opcode { insn_invalid, - insn_addu, insn_addiu, insn_and, insn_andi, insn_beq, - insn_beql, insn_bgez, insn_bgezl, insn_bltz, insn_bltzl, - insn_bne, insn_cache, insn_daddu, insn_daddiu, insn_dmfc0, - insn_dmtc0, insn_dsll, insn_dsll32, insn_dsra, insn_dsrl, - insn_dsrl32, insn_drotr, insn_drotr32, insn_dsubu, insn_eret, - insn_j, insn_jal, insn_jr, insn_ld, insn_ll, insn_lld, - insn_lui, insn_lw, insn_mfc0, insn_mtc0, insn_or, insn_ori, - insn_pref, insn_rfe, insn_sc, insn_scd, insn_sd, insn_sll, - insn_sra, insn_srl, insn_rotr, insn_subu, insn_sw, insn_tlbp, + insn_addiu, insn_addu, insn_and, insn_andi, insn_bbit0, insn_bbit1, + insn_beq, insn_beql, insn_bgez, insn_bgezl, insn_bltz, insn_bltzl, + insn_bne, insn_cache, insn_daddiu, insn_daddu, insn_dins, insn_dinsm, + insn_dmfc0, insn_dmtc0, insn_drotr, insn_drotr32, insn_dsll, + insn_dsll32, insn_dsra, insn_dsrl, insn_dsrl32, insn_dsubu, insn_eret, + insn_j, insn_jal, insn_jr, insn_ld, insn_ldx, insn_ll, insn_lld, + insn_lui, insn_lw, insn_lwx, insn_mfc0, insn_mtc0, insn_or, insn_ori, + insn_pref, insn_rfe, insn_rotr, insn_sc, insn_scd, insn_sd, insn_sll, + insn_sra, insn_srl, insn_subu, insn_sw, insn_syscall, insn_tlbp, insn_tlbr, insn_tlbwi, insn_tlbwr, insn_xor, insn_xori, - insn_dins, insn_dinsm, insn_syscall, insn_bbit0, insn_bbit1, - insn_lwx, insn_ldx }; struct insn { @@ -90,65 +88,65 @@ struct insn { static struct insn insn_table[] __uasminitdata = { { insn_addiu, M(addiu_op, 0, 0, 0, 0, 0), RS | RT | SIMM }, { insn_addu, M(spec_op, 0, 0, 0, 0, addu_op), RS | RT | RD }, - { insn_and, M(spec_op, 0, 0, 0, 0, and_op), RS | RT | RD }, { insn_andi, M(andi_op, 0, 0, 0, 0, 0), RS | RT | UIMM }, - { insn_beq, M(beq_op, 0, 0, 0, 0, 0), RS | RT | BIMM }, + { insn_and, M(spec_op, 0, 0, 0, 0, and_op), RS | RT | RD }, + { insn_bbit0, M(lwc2_op, 0, 0, 0, 0, 0), RS | RT | BIMM }, + { insn_bbit1, M(swc2_op, 0, 0, 0, 0, 0), RS | RT | BIMM }, { insn_beql, M(beql_op, 0, 0, 0, 0, 0), RS | RT | BIMM }, - { insn_bgez, M(bcond_op, 0, bgez_op, 0, 0, 0), RS | BIMM }, + { insn_beq, M(beq_op, 0, 0, 0, 0, 0), RS | RT | BIMM }, { insn_bgezl, M(bcond_op, 0, bgezl_op, 0, 0, 0), RS | BIMM }, - { insn_bltz, M(bcond_op, 0, bltz_op, 0, 0, 0), RS | BIMM }, + { insn_bgez, M(bcond_op, 0, bgez_op, 0, 0, 0), RS | BIMM }, { insn_bltzl, M(bcond_op, 0, bltzl_op, 0, 0, 0), RS | BIMM }, + { insn_bltz, M(bcond_op, 0, bltz_op, 0, 0, 0), RS | BIMM }, { insn_bne, M(bne_op, 0, 0, 0, 0, 0), RS | RT | BIMM }, { insn_cache, M(cache_op, 0, 0, 0, 0, 0), RS | RT | SIMM }, { insn_daddiu, M(daddiu_op, 0, 0, 0, 0, 0), RS | RT | SIMM }, { insn_daddu, M(spec_op, 0, 0, 0, 0, daddu_op), RS | RT | RD }, + { insn_dinsm, M(spec3_op, 0, 0, 0, 0, dinsm_op), RS | RT | RD | RE }, + { insn_dins, M(spec3_op, 0, 0, 0, 0, dins_op), RS | RT | RD | RE }, { insn_dmfc0, M(cop0_op, dmfc_op, 0, 0, 0, 0), RT | RD | SET}, { insn_dmtc0, M(cop0_op, dmtc_op, 0, 0, 0, 0), RT | RD | SET}, - { insn_dsll, M(spec_op, 0, 0, 0, 0, dsll_op), RT | RD | RE }, + { insn_drotr32, M(spec_op, 1, 0, 0, 0, dsrl32_op), RT | RD | RE }, + { insn_drotr, M(spec_op, 1, 0, 0, 0, dsrl_op), RT | RD | RE }, { insn_dsll32, M(spec_op, 0, 0, 0, 0, dsll32_op), RT | RD | RE }, + { insn_dsll, M(spec_op, 0, 0, 0, 0, dsll_op), RT | RD | RE }, { insn_dsra, M(spec_op, 0, 0, 0, 0, dsra_op), RT | RD | RE }, - { insn_dsrl, M(spec_op, 0, 0, 0, 0, dsrl_op), RT | RD | RE }, { insn_dsrl32, M(spec_op, 0, 0, 0, 0, dsrl32_op), RT | RD | RE }, - { insn_drotr, M(spec_op, 1, 0, 0, 0, dsrl_op), RT | RD | RE }, - { insn_drotr32, M(spec_op, 1, 0, 0, 0, dsrl32_op), RT | RD | RE }, + { insn_dsrl, M(spec_op, 0, 0, 0, 0, dsrl_op), RT | RD | RE }, { insn_dsubu, M(spec_op, 0, 0, 0, 0, dsubu_op), RS | RT | RD }, { insn_eret, M(cop0_op, cop_op, 0, 0, 0, eret_op), 0 }, - { insn_j, M(j_op, 0, 0, 0, 0, 0), JIMM }, { insn_jal, M(jal_op, 0, 0, 0, 0, 0), JIMM }, + { insn_j, M(j_op, 0, 0, 0, 0, 0), JIMM }, { insn_jr, M(spec_op, 0, 0, 0, 0, jr_op), RS }, { insn_ld, M(ld_op, 0, 0, 0, 0, 0), RS | RT | SIMM }, - { insn_ll, M(ll_op, 0, 0, 0, 0, 0), RS | RT | SIMM }, + { insn_ldx, M(spec3_op, 0, 0, 0, ldx_op, lx_op), RS | RT | RD }, { insn_lld, M(lld_op, 0, 0, 0, 0, 0), RS | RT | SIMM }, + { insn_ll, M(ll_op, 0, 0, 0, 0, 0), RS | RT | SIMM }, { insn_lui, M(lui_op, 0, 0, 0, 0, 0), RT | SIMM }, { insn_lw, M(lw_op, 0, 0, 0, 0, 0), RS | RT | SIMM }, + { insn_lwx, M(spec3_op, 0, 0, 0, lwx_op, lx_op), RS | RT | RD }, { insn_mfc0, M(cop0_op, mfc_op, 0, 0, 0, 0), RT | RD | SET}, { insn_mtc0, M(cop0_op, mtc_op, 0, 0, 0, 0), RT | RD | SET}, - { insn_or, M(spec_op, 0, 0, 0, 0, or_op), RS | RT | RD }, { insn_ori, M(ori_op, 0, 0, 0, 0, 0), RS | RT | UIMM }, + { insn_or, M(spec_op, 0, 0, 0, 0, or_op), RS | RT | RD }, { insn_pref, M(pref_op, 0, 0, 0, 0, 0), RS | RT | SIMM }, { insn_rfe, M(cop0_op, cop_op, 0, 0, 0, rfe_op), 0 }, - { insn_sc, M(sc_op, 0, 0, 0, 0, 0), RS | RT | SIMM }, + { insn_rotr, M(spec_op, 1, 0, 0, 0, srl_op), RT | RD | RE }, { insn_scd, M(scd_op, 0, 0, 0, 0, 0), RS | RT | SIMM }, + { insn_sc, M(sc_op, 0, 0, 0, 0, 0), RS | RT | SIMM }, { insn_sd, M(sd_op, 0, 0, 0, 0, 0), RS | RT | SIMM }, { insn_sll, M(spec_op, 0, 0, 0, 0, sll_op), RT | RD | RE }, { insn_sra, M(spec_op, 0, 0, 0, 0, sra_op), RT | RD | RE }, { insn_srl, M(spec_op, 0, 0, 0, 0, srl_op), RT | RD | RE }, - { insn_rotr, M(spec_op, 1, 0, 0, 0, srl_op), RT | RD | RE }, { insn_subu, M(spec_op, 0, 0, 0, 0, subu_op), RS | RT | RD }, { insn_sw, M(sw_op, 0, 0, 0, 0, 0), RS | RT | SIMM }, + { insn_syscall, M(spec_op, 0, 0, 0, 0, syscall_op), SCIMM}, { insn_tlbp, M(cop0_op, cop_op, 0, 0, 0, tlbp_op), 0 }, { insn_tlbr, M(cop0_op, cop_op, 0, 0, 0, tlbr_op), 0 }, { insn_tlbwi, M(cop0_op, cop_op, 0, 0, 0, tlbwi_op), 0 }, { insn_tlbwr, M(cop0_op, cop_op, 0, 0, 0, tlbwr_op), 0 }, - { insn_xor, M(spec_op, 0, 0, 0, 0, xor_op), RS | RT | RD }, { insn_xori, M(xori_op, 0, 0, 0, 0, 0), RS | RT | UIMM }, - { insn_dins, M(spec3_op, 0, 0, 0, 0, dins_op), RS | RT | RD | RE }, - { insn_dinsm, M(spec3_op, 0, 0, 0, 0, dinsm_op), RS | RT | RD | RE }, - { insn_syscall, M(spec_op, 0, 0, 0, 0, syscall_op), SCIMM}, - { insn_bbit0, M(lwc2_op, 0, 0, 0, 0, 0), RS | RT | BIMM }, - { insn_bbit1, M(swc2_op, 0, 0, 0, 0, 0), RS | RT | BIMM }, - { insn_lwx, M(spec3_op, 0, 0, 0, lwx_op, lx_op), RS | RT | RD }, - { insn_ldx, M(spec3_op, 0, 0, 0, ldx_op, lx_op), RS | RT | RD }, + { insn_xor, M(spec_op, 0, 0, 0, 0, xor_op), RS | RT | RD }, { insn_invalid, 0, 0 } }; diff --git a/arch/mips/netlogic/common/earlycons.c b/arch/mips/netlogic/common/earlycons.c index f193f7b..1902fa2 100644 --- a/arch/mips/netlogic/common/earlycons.c +++ b/arch/mips/netlogic/common/earlycons.c @@ -54,7 +54,7 @@ void prom_putchar(char c) #elif defined(CONFIG_CPU_XLR) uartbase = nlm_mmio_base(NETLOGIC_IO_UART_0_OFFSET); #endif - while (nlm_read_reg(uartbase, UART_LSR) == 0) + while ((nlm_read_reg(uartbase, UART_LSR) & UART_LSR_THRE) == 0) ; nlm_write_reg(uartbase, UART_TX, c); } diff --git a/arch/mips/netlogic/common/smpboot.S b/arch/mips/netlogic/common/smpboot.S index c138b1a..a13355c 100644 --- a/arch/mips/netlogic/common/smpboot.S +++ b/arch/mips/netlogic/common/smpboot.S @@ -54,28 +54,68 @@ XLP_IO_SYS_OFFSET(node) + XLP_IO_PCI_HDRSZ + \ SYS_CPU_NONCOHERENT_MODE * 4 -.macro __config_lsu - li t0, LSU_DEFEATURE - mfcr t1, t0 +#define XLP_AX_WORKAROUND /* enable Ax silicon workarounds */ - lui t2, 0x4080 /* Enable Unaligned Access, L2HPE */ - or t1, t1, t2 - li t2, ~0xe /* S1RCM */ +/* Enable XLP features and workarounds in the LSU */ +.macro xlp_config_lsu + li t0, LSU_DEFEATURE + mfcr t1, t0 + + lui t2, 0x4080 /* Enable Unaligned Access, L2HPE */ + or t1, t1, t2 +#ifdef XLP_AX_WORKAROUND + li t2, ~0xe /* S1RCM */ and t1, t1, t2 - mtcr t1, t0 +#endif + mtcr t1, t0 - li t0, SCHED_DEFEATURE - lui t1, 0x0100 /* Experimental: Disable BRU accepting ALU ops */ - mtcr t1, t0 +#ifdef XLP_AX_WORKAROUND + li t0, SCHED_DEFEATURE + lui t1, 0x0100 /* Disable BRU accepting ALU ops */ + mtcr t1, t0 +#endif +.endm + +/* + * This is the code that will be copied to the reset entry point for + * XLR and XLP. The XLP cores start here when they are woken up. This + * is also the NMI entry point. + */ +.macro xlp_flush_l1_dcache + li t0, LSU_DEBUG_DATA0 + li t1, LSU_DEBUG_ADDR + li t2, 0 /* index */ + li t3, 0x1000 /* loop count */ +1: + sll v0, t2, 5 + mtcr zero, t0 + ori v1, v0, 0x3 /* way0 | write_enable | write_active */ + mtcr v1, t1 +2: + mfcr v1, t1 + andi v1, 0x1 /* wait for write_active == 0 */ + bnez v1, 2b + nop + mtcr zero, t0 + ori v1, v0, 0x7 /* way1 | write_enable | write_active */ + mtcr v1, t1 +3: + mfcr v1, t1 + andi v1, 0x1 /* wait for write_active == 0 */ + bnez v1, 3b + nop + addi t2, 1 + bne t3, t2, 1b + nop .endm /* * The cores can come start when they are woken up. This is also the NMI * entry, so check that first. * - * The data corresponding to reset is stored at RESET_DATA_PHYS location, - * this will have the thread mask (used when core is woken up) and the - * current NMI handler in case we reached here for an NMI. + * The data corresponding to reset/NMI is stored at RESET_DATA_PHYS + * location, this will have the thread mask (used when core is woken up) + * and the current NMI handler in case we reached here for an NMI. * * When a core or thread is newly woken up, it loops in a 'wait'. When * the CPU really needs waking up, we send an NMI to it, with the NMI @@ -89,12 +129,12 @@ FEXPORT(nlm_reset_entry) dmtc0 k0, $22, 6 dmtc0 k1, $22, 7 - mfc0 k0, CP0_STATUS - li k1, 0x80000 - and k1, k0, k1 - beqz k1, 1f /* go to real reset entry */ + mfc0 k0, CP0_STATUS + li k1, 0x80000 + and k1, k0, k1 + beqz k1, 1f /* go to real reset entry */ nop - li k1, CKSEG1ADDR(RESET_DATA_PHYS) /* NMI */ + li k1, CKSEG1ADDR(RESET_DATA_PHYS) /* NMI */ ld k0, BOOT_NMI_HANDLER(k1) jr k0 nop @@ -114,21 +154,25 @@ FEXPORT(nlm_reset_entry) li t2, SYS_CPU_COHERENT_BASE(0) add t2, t2, t3 /* t2 <- SYS offset for node */ lw t1, 0(t2) - and t1, t1, t0 - sw t1, 0(t2) + and t1, t1, t0 + sw t1, 0(t2) /* read back to ensure complete */ - lw t1, 0(t2) + lw t1, 0(t2) sync /* Configure LSU on Non-0 Cores. */ - __config_lsu + xlp_config_lsu + /* FALL THROUGH */ /* * Wake up sibling threads from the initial thread in * a core. */ EXPORT(nlm_boot_siblings) + /* core L1D flush before enable threads */ + xlp_flush_l1_dcache + /* Enable hw threads by writing to MAP_THREADMODE of the core */ li t0, CKSEG1ADDR(RESET_DATA_PHYS) lw t1, BOOT_THREAD_MODE(t0) /* t1 <- thread mode */ li t0, ((CPU_BLOCKID_MAP << 8) | MAP_THREADMODE) @@ -139,31 +183,28 @@ EXPORT(nlm_boot_siblings) /* * The new hardware thread starts at the next instruction * For all the cases other than core 0 thread 0, we will - * jump to the secondary wait function. - */ + * jump to the secondary wait function. + */ mfc0 v0, CP0_EBASE, 1 andi v0, 0x7f /* v0 <- node/core */ -#if 1 - /* A0 errata - Write MMU_SETUP after changing thread mode register. */ + /* Init MMU in the first thread after changing THREAD_MODE + * register (Ax Errata?) + */ andi v1, v0, 0x3 /* v1 <- thread id */ bnez v1, 2f nop - li t0, MMU_SETUP - li t1, 0 - mtcr t1, t0 - ehb -#endif + li t0, MMU_SETUP + li t1, 0 + mtcr t1, t0 + _ehb -2: beqz v0, 4f +2: beqz v0, 4f /* boot cpu (cpuid == 0)? */ nop /* setup status reg */ - mfc0 t1, CP0_STATUS - li t0, ST0_BEV - or t1, t0 - xor t1, t0 + move t1, zero #ifdef CONFIG_64BIT ori t1, ST0_KX #endif @@ -183,9 +224,9 @@ EXPORT(nlm_boot_siblings) * For the boot CPU, we have to restore registers and * return */ -4: dmfc0 t0, $4, 2 /* restore SP from UserLocal */ +4: dmfc0 t0, $4, 2 /* restore SP from UserLocal */ li t1, 0xfadebeef - dmtc0 t1, $4, 2 /* restore SP from UserLocal */ + dmtc0 t1, $4, 2 /* restore SP from UserLocal */ PTR_SUBU sp, t0, PT_SIZE RESTORE_ALL jr ra @@ -193,7 +234,7 @@ EXPORT(nlm_boot_siblings) EXPORT(nlm_reset_entry_end) FEXPORT(xlp_boot_core0_siblings) /* "Master" cpu starts from here */ - __config_lsu + xlp_config_lsu dmtc0 sp, $4, 2 /* SP saved in UserLocal */ SAVE_ALL sync @@ -210,6 +251,12 @@ FEXPORT(xlp_boot_core0_siblings) /* "Master" cpu starts from here */ __CPUINIT NESTED(nlm_boot_secondary_cpus, 16, sp) + /* Initialize CP0 Status */ + move t1, zero +#ifdef CONFIG_64BIT + ori t1, ST0_KX +#endif + mtc0 t1, CP0_STATUS PTR_LA t1, nlm_next_sp PTR_L sp, 0(t1) PTR_LA t1, nlm_next_gp @@ -234,36 +281,36 @@ END(nlm_boot_secondary_cpus) */ __CPUINIT NESTED(nlm_rmiboot_preboot, 16, sp) - mfc0 t0, $15, 1 # read ebase - andi t0, 0x1f # t0 has the processor_id() - andi t2, t0, 0x3 # thread no - sll t0, 2 # offset in cpu array + mfc0 t0, $15, 1 /* read ebase */ + andi t0, 0x1f /* t0 has the processor_id() */ + andi t2, t0, 0x3 /* thread num */ + sll t0, 2 /* offset in cpu array */ - PTR_LA t1, nlm_cpu_ready # mark CPU ready + PTR_LA t1, nlm_cpu_ready /* mark CPU ready */ PTR_ADDU t1, t0 li t3, 1 sw t3, 0(t1) - bnez t2, 1f # skip thread programming - nop # for non zero hw threads + bnez t2, 1f /* skip thread programming */ + nop /* for thread id != 0 */ /* - * MMU setup only for first thread in core + * XLR MMU setup only for first thread in core */ li t0, 0x400 mfcr t1, t0 - li t2, 6 # XLR thread mode mask + li t2, 6 /* XLR thread mode mask */ nor t3, t2, zero - and t2, t1, t2 # t2 - current thread mode + and t2, t1, t2 /* t2 - current thread mode */ li v0, CKSEG1ADDR(RESET_DATA_PHYS) - lw v1, BOOT_THREAD_MODE(v0) # v1 - new thread mode + lw v1, BOOT_THREAD_MODE(v0) /* v1 - new thread mode */ sll v1, 1 - beq v1, t2, 1f # same as request value - nop # nothing to do */ + beq v1, t2, 1f /* same as request value */ + nop /* nothing to do */ - and t2, t1, t3 # mask out old thread mode - or t1, t2, v1 # put in new value - mtcr t1, t0 # update core control + and t2, t1, t3 /* mask out old thread mode */ + or t1, t2, v1 /* put in new value */ + mtcr t1, t0 /* update core control */ 1: wait j 1b diff --git a/arch/mips/netlogic/xlp/Makefile b/arch/mips/netlogic/xlp/Makefile index b93ed83..6b4b972 100644 --- a/arch/mips/netlogic/xlp/Makefile +++ b/arch/mips/netlogic/xlp/Makefile @@ -1,2 +1,4 @@ obj-y += setup.o platform.o nlm_hal.o +obj-$(CONFIG_OF) += of.o obj-$(CONFIG_SMP) += wakeup.o +obj-$(CONFIG_USB) += usb-init.o diff --git a/arch/mips/netlogic/xlp/nlm_hal.c b/arch/mips/netlogic/xlp/nlm_hal.c index 9428e71..6c65ac7 100644 --- a/arch/mips/netlogic/xlp/nlm_hal.c +++ b/arch/mips/netlogic/xlp/nlm_hal.c @@ -69,6 +69,32 @@ int nlm_irq_to_irt(int irq) return PIC_IRT_UART_0_INDEX; case PIC_UART_1_IRQ: return PIC_IRT_UART_1_INDEX; + case PIC_PCIE_LINK_0_IRQ: + return PIC_IRT_PCIE_LINK_0_INDEX; + case PIC_PCIE_LINK_1_IRQ: + return PIC_IRT_PCIE_LINK_1_INDEX; + case PIC_PCIE_LINK_2_IRQ: + return PIC_IRT_PCIE_LINK_2_INDEX; + case PIC_PCIE_LINK_3_IRQ: + return PIC_IRT_PCIE_LINK_3_INDEX; + case PIC_EHCI_0_IRQ: + return PIC_IRT_EHCI_0_INDEX; + case PIC_EHCI_1_IRQ: + return PIC_IRT_EHCI_1_INDEX; + case PIC_OHCI_0_IRQ: + return PIC_IRT_OHCI_0_INDEX; + case PIC_OHCI_1_IRQ: + return PIC_IRT_OHCI_1_INDEX; + case PIC_OHCI_2_IRQ: + return PIC_IRT_OHCI_2_INDEX; + case PIC_OHCI_3_IRQ: + return PIC_IRT_OHCI_3_INDEX; + case PIC_MMC_IRQ: + return PIC_IRT_MMC_INDEX; + case PIC_I2C_0_IRQ: + return PIC_IRT_I2C_0_INDEX; + case PIC_I2C_1_IRQ: + return PIC_IRT_I2C_1_INDEX; default: return -1; } @@ -81,6 +107,32 @@ int nlm_irt_to_irq(int irt) return PIC_UART_0_IRQ; case PIC_IRT_UART_1_INDEX: return PIC_UART_1_IRQ; + case PIC_IRT_PCIE_LINK_0_INDEX: + return PIC_PCIE_LINK_0_IRQ; + case PIC_IRT_PCIE_LINK_1_INDEX: + return PIC_PCIE_LINK_1_IRQ; + case PIC_IRT_PCIE_LINK_2_INDEX: + return PIC_PCIE_LINK_2_IRQ; + case PIC_IRT_PCIE_LINK_3_INDEX: + return PIC_PCIE_LINK_3_IRQ; + case PIC_IRT_EHCI_0_INDEX: + return PIC_EHCI_0_IRQ; + case PIC_IRT_EHCI_1_INDEX: + return PIC_EHCI_1_IRQ; + case PIC_IRT_OHCI_0_INDEX: + return PIC_OHCI_0_IRQ; + case PIC_IRT_OHCI_1_INDEX: + return PIC_OHCI_1_IRQ; + case PIC_IRT_OHCI_2_INDEX: + return PIC_OHCI_2_IRQ; + case PIC_IRT_OHCI_3_INDEX: + return PIC_OHCI_3_IRQ; + case PIC_IRT_MMC_INDEX: + return PIC_MMC_IRQ; + case PIC_IRT_I2C_0_INDEX: + return PIC_I2C_0_IRQ; + case PIC_IRT_I2C_1_INDEX: + return PIC_I2C_1_IRQ; default: return -1; } diff --git a/arch/mips/netlogic/xlp/of.c b/arch/mips/netlogic/xlp/of.c new file mode 100644 index 0000000..8e3921c --- /dev/null +++ b/arch/mips/netlogic/xlp/of.c @@ -0,0 +1,34 @@ +#include <linux/bootmem.h> +#include <linux/init.h> +#include <linux/io.h> +#include <linux/of_fdt.h> +#include <asm/byteorder.h> + +static int __init reserve_mem_mach(unsigned long addr, unsigned long size) +{ + return reserve_bootmem(addr, size, BOOTMEM_DEFAULT); +} + +void __init free_mem_mach(unsigned long addr, unsigned long size) +{ + return free_bootmem(addr, size); +} + +void __init device_tree_init(void) +{ + unsigned long base, size; + + if (!initial_boot_params) + return; + + base = virt_to_phys((void *)initial_boot_params); + size = be32_to_cpu(initial_boot_params->totalsize); + + /* Before we do anything, lets reserve the dt blob */ + reserve_mem_mach(base, size); + + unflatten_device_tree(); + + /* free the space reserved for the dt blob */ + free_mem_mach(base, size); +} diff --git a/arch/mips/netlogic/xlp/platform.c b/arch/mips/netlogic/xlp/platform.c index 1f5e4cb..2c510d5 100644 --- a/arch/mips/netlogic/xlp/platform.c +++ b/arch/mips/netlogic/xlp/platform.c @@ -53,7 +53,7 @@ static unsigned int nlm_xlp_uart_in(struct uart_port *p, int offset) { - return nlm_read_reg(p->iobase, offset); + return nlm_read_reg(p->iobase, offset); } static void nlm_xlp_uart_out(struct uart_port *p, int offset, int value) diff --git a/arch/mips/netlogic/xlp/setup.c b/arch/mips/netlogic/xlp/setup.c index b3df7c2..3dec9f2 100644 --- a/arch/mips/netlogic/xlp/setup.c +++ b/arch/mips/netlogic/xlp/setup.c @@ -41,6 +41,8 @@ #include <asm/bootinfo.h> #include <linux/of_fdt.h> +#include <linux/of_platform.h> +#include <linux/of_device.h> #include <asm/netlogic/haldefs.h> #include <asm/netlogic/common.h> @@ -109,3 +111,17 @@ void __init prom_init(void) register_smp_ops(&nlm_smp_ops); #endif } + +static struct of_device_id __initdata xlp_ids[] = { + { .compatible = "simple-bus", }, + {}, +}; + +int __init xlp8xx_ds_publish_devices(void) +{ + if (!of_have_populated_dt()) + return 0; + return of_platform_bus_probe(NULL, xlp_ids, NULL); +} + +device_initcall(xlp8xx_ds_publish_devices); diff --git a/arch/mips/netlogic/xlp/usb-init.c b/arch/mips/netlogic/xlp/usb-init.c new file mode 100644 index 0000000..dbe083a --- /dev/null +++ b/arch/mips/netlogic/xlp/usb-init.c @@ -0,0 +1,124 @@ +/* + * Copyright (c) 2003-2012 Broadcom Corporation + * All Rights Reserved + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the Broadcom + * license below: + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY BROADCOM ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL BROADCOM OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE + * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <linux/dma-mapping.h> +#include <linux/kernel.h> +#include <linux/delay.h> +#include <linux/init.h> +#include <linux/pci.h> +#include <linux/platform_device.h> + +#include <asm/netlogic/haldefs.h> +#include <asm/netlogic/xlp-hal/iomap.h> +#include <asm/netlogic/xlp-hal/xlp.h> +#include <asm/netlogic/xlp-hal/usb.h> + +static void nlm_usb_intr_en(int node, int port) +{ + uint32_t val; + uint64_t port_addr; + + port_addr = nlm_get_usb_regbase(node, port); + val = nlm_read_usb_reg(port_addr, USB_INT_EN); + val = USB_CTRL_INTERRUPT_EN | USB_OHCI_INTERRUPT_EN | + USB_OHCI_INTERRUPT1_EN | USB_CTRL_INTERRUPT_EN | + USB_OHCI_INTERRUPT_EN | USB_OHCI_INTERRUPT2_EN; + nlm_write_usb_reg(port_addr, USB_INT_EN, val); +} + +static void nlm_usb_hw_reset(int node, int port) +{ + uint64_t port_addr; + uint32_t val; + + /* reset USB phy */ + port_addr = nlm_get_usb_regbase(node, port); + val = nlm_read_usb_reg(port_addr, USB_PHY_0); + val &= ~(USB_PHY_RESET | USB_PHY_PORT_RESET_0 | USB_PHY_PORT_RESET_1); + nlm_write_usb_reg(port_addr, USB_PHY_0, val); + + mdelay(100); + val = nlm_read_usb_reg(port_addr, USB_CTL_0); + val &= ~(USB_CONTROLLER_RESET); + val |= 0x4; + nlm_write_usb_reg(port_addr, USB_CTL_0, val); +} + +static int __init nlm_platform_usb_init(void) +{ + pr_info("Initializing USB Interface\n"); + nlm_usb_hw_reset(0, 0); + nlm_usb_hw_reset(0, 3); + + /* Enable PHY interrupts */ + nlm_usb_intr_en(0, 0); + nlm_usb_intr_en(0, 3); + + return 0; +} + +arch_initcall(nlm_platform_usb_init); + +static u64 xlp_usb_dmamask = ~(u32)0; + +/* Fixup the IRQ for USB devices which is exist on XLP SOC PCIE bus */ +static void nlm_usb_fixup_final(struct pci_dev *dev) +{ + dev->dev.dma_mask = &xlp_usb_dmamask; + dev->dev.coherent_dma_mask = DMA_BIT_MASK(64); + switch (dev->devfn) { + case 0x10: + dev->irq = PIC_EHCI_0_IRQ; + break; + case 0x11: + dev->irq = PIC_OHCI_0_IRQ; + break; + case 0x12: + dev->irq = PIC_OHCI_1_IRQ; + break; + case 0x13: + dev->irq = PIC_EHCI_1_IRQ; + break; + case 0x14: + dev->irq = PIC_OHCI_2_IRQ; + break; + case 0x15: + dev->irq = PIC_OHCI_3_IRQ; + break; + } +} +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_NETLOGIC, PCI_DEVICE_ID_NLM_EHCI, + nlm_usb_fixup_final); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_NETLOGIC, PCI_DEVICE_ID_NLM_OHCI, + nlm_usb_fixup_final); diff --git a/arch/mips/netlogic/xlr/Makefile b/arch/mips/netlogic/xlr/Makefile index f01e4d7..c287dea 100644 --- a/arch/mips/netlogic/xlr/Makefile +++ b/arch/mips/netlogic/xlr/Makefile @@ -1,2 +1,2 @@ -obj-y += setup.o platform.o +obj-y += setup.o platform.o platform-flash.o obj-$(CONFIG_SMP) += wakeup.o diff --git a/arch/mips/netlogic/xlr/platform-flash.c b/arch/mips/netlogic/xlr/platform-flash.c new file mode 100644 index 0000000..340ab16 --- /dev/null +++ b/arch/mips/netlogic/xlr/platform-flash.c @@ -0,0 +1,220 @@ +/* + * Copyright 2011, Netlogic Microsystems. + * Copyright 2004, Matt Porter <mporter@kernel.crashing.org> + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + +#include <linux/device.h> +#include <linux/platform_device.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/io.h> +#include <linux/delay.h> +#include <linux/ioport.h> +#include <linux/resource.h> +#include <linux/spi/flash.h> + +#include <linux/mtd/mtd.h> +#include <linux/mtd/physmap.h> +#include <linux/mtd/nand.h> +#include <linux/mtd/partitions.h> + +#include <asm/netlogic/haldefs.h> +#include <asm/netlogic/xlr/iomap.h> +#include <asm/netlogic/xlr/flash.h> +#include <asm/netlogic/xlr/bridge.h> +#include <asm/netlogic/xlr/gpio.h> +#include <asm/netlogic/xlr/xlr.h> + +/* + * Default NOR partition layout + */ +static struct mtd_partition xlr_nor_parts[] = { + { + .name = "User FS", + .offset = 0x800000, + .size = MTDPART_SIZ_FULL, + } +}; + +/* + * Default NAND partition layout + */ +static struct mtd_partition xlr_nand_parts[] = { + { + .name = "Root Filesystem", + .offset = 64 * 64 * 2048, + .size = 432 * 64 * 2048, + }, + { + .name = "Home Filesystem", + .offset = MTDPART_OFS_APPEND, + .size = MTDPART_SIZ_FULL, + }, +}; + +/* Use PHYSMAP flash for NOR */ +struct physmap_flash_data xlr_nor_data = { + .width = 2, + .parts = xlr_nor_parts, + .nr_parts = ARRAY_SIZE(xlr_nor_parts), +}; + +static struct resource xlr_nor_res[] = { + { + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device xlr_nor_dev = { + .name = "physmap-flash", + .dev = { + .platform_data = &xlr_nor_data, + }, + .num_resources = ARRAY_SIZE(xlr_nor_res), + .resource = xlr_nor_res, +}; + +const char *xlr_part_probes[] = { "cmdlinepart", NULL }; + +/* + * Use "gen_nand" driver for NAND flash + * + * There seems to be no way to store a private pointer containing + * platform specific info in gen_nand drivier. We will use a global + * struct for now, since we currently have only one NAND chip per board. + */ +struct xlr_nand_flash_priv { + int cs; + uint64_t flash_mmio; +}; + +static struct xlr_nand_flash_priv nand_priv; + +static void xlr_nand_ctrl(struct mtd_info *mtd, int cmd, + unsigned int ctrl) +{ + if (ctrl & NAND_CLE) + nlm_write_reg(nand_priv.flash_mmio, + FLASH_NAND_CLE(nand_priv.cs), cmd); + else if (ctrl & NAND_ALE) + nlm_write_reg(nand_priv.flash_mmio, + FLASH_NAND_ALE(nand_priv.cs), cmd); +} + +struct platform_nand_data xlr_nand_data = { + .chip = { + .nr_chips = 1, + .nr_partitions = ARRAY_SIZE(xlr_nand_parts), + .chip_delay = 50, + .partitions = xlr_nand_parts, + .part_probe_types = xlr_part_probes, + }, + .ctrl = { + .cmd_ctrl = xlr_nand_ctrl, + }, +}; + +static struct resource xlr_nand_res[] = { + { + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device xlr_nand_dev = { + .name = "gen_nand", + .id = -1, + .num_resources = ARRAY_SIZE(xlr_nand_res), + .resource = xlr_nand_res, + .dev = { + .platform_data = &xlr_nand_data, + } +}; + +/* + * XLR/XLS supports upto 8 devices on its FLASH interface. The value in + * FLASH_BAR (on the MEM/IO bridge) gives the base for mapping all the + * flash devices. + * Under this, each flash device has an offset and size given by the + * CSBASE_ADDR and CSBASE_MASK registers for the device. + * + * The CSBASE_ registers are expected to be setup by the bootloader. + */ +static void setup_flash_resource(uint64_t flash_mmio, + uint64_t flash_map_base, int cs, struct resource *res) +{ + u32 base, mask; + + base = nlm_read_reg(flash_mmio, FLASH_CSBASE_ADDR(cs)); + mask = nlm_read_reg(flash_mmio, FLASH_CSADDR_MASK(cs)); + + res->start = flash_map_base + ((unsigned long)base << 16); + res->end = res->start + (mask + 1) * 64 * 1024; +} + +static int __init xlr_flash_init(void) +{ + uint64_t gpio_mmio, flash_mmio, flash_map_base; + u32 gpio_resetcfg, flash_bar; + int cs, boot_nand, boot_nor; + + /* Flash address bits 39:24 is in bridge flash BAR */ + flash_bar = nlm_read_reg(nlm_io_base, BRIDGE_FLASH_BAR); + flash_map_base = (flash_bar & 0xffff0000) << 8; + + gpio_mmio = nlm_mmio_base(NETLOGIC_IO_GPIO_OFFSET); + flash_mmio = nlm_mmio_base(NETLOGIC_IO_FLASH_OFFSET); + + /* Get the chip reset config */ + gpio_resetcfg = nlm_read_reg(gpio_mmio, GPIO_PWRON_RESET_CFG_REG); + + /* Check for boot flash type */ + boot_nor = boot_nand = 0; + if (nlm_chip_is_xls()) { + /* On XLS, check boot from NAND bit (GPIO reset reg bit 16) */ + if (gpio_resetcfg & (1 << 16)) + boot_nand = 1; + + /* check boot from PCMCIA, (GPIO reset reg bit 15 */ + if ((gpio_resetcfg & (1 << 15)) == 0) + boot_nor = 1; /* not set, booted from NOR */ + } else { /* XLR */ + /* check boot from PCMCIA (bit 16 in GPIO reset on XLR) */ + if ((gpio_resetcfg & (1 << 16)) == 0) + boot_nor = 1; /* not set, booted from NOR */ + } + + /* boot flash at chip select 0 */ + cs = 0; + + if (boot_nand) { + nand_priv.cs = cs; + nand_priv.flash_mmio = flash_mmio; + setup_flash_resource(flash_mmio, flash_map_base, cs, + xlr_nand_res); + + /* Initialize NAND flash at CS 0 */ + nlm_write_reg(flash_mmio, FLASH_CSDEV_PARM(cs), + FLASH_NAND_CSDEV_PARAM); + nlm_write_reg(flash_mmio, FLASH_CSTIME_PARMA(cs), + FLASH_NAND_CSTIME_PARAMA); + nlm_write_reg(flash_mmio, FLASH_CSTIME_PARMB(cs), + FLASH_NAND_CSTIME_PARAMB); + + pr_info("ChipSelect %d: NAND Flash %pR\n", cs, xlr_nand_res); + return platform_device_register(&xlr_nand_dev); + } + + if (boot_nor) { + setup_flash_resource(flash_mmio, flash_map_base, cs, + xlr_nor_res); + pr_info("ChipSelect %d: NOR Flash %pR\n", cs, xlr_nor_res); + return platform_device_register(&xlr_nor_dev); + } + return 0; +} + +arch_initcall(xlr_flash_init); diff --git a/arch/mips/netlogic/xlr/platform.c b/arch/mips/netlogic/xlr/platform.c index eab64b4..71b44d8 100644 --- a/arch/mips/netlogic/xlr/platform.c +++ b/arch/mips/netlogic/xlr/platform.c @@ -14,6 +14,7 @@ #include <linux/resource.h> #include <linux/serial_8250.h> #include <linux/serial_reg.h> +#include <linux/i2c.h> #include <asm/netlogic/haldefs.h> #include <asm/netlogic/xlr/iomap.h> @@ -97,3 +98,142 @@ static int __init nlm_uart_init(void) } arch_initcall(nlm_uart_init); + +#ifdef CONFIG_USB +/* Platform USB devices, only on XLS chips */ +static u64 xls_usb_dmamask = ~(u32)0; +#define USB_PLATFORM_DEV(n, i, irq) \ + { \ + .name = n, \ + .id = i, \ + .num_resources = 2, \ + .dev = { \ + .dma_mask = &xls_usb_dmamask, \ + .coherent_dma_mask = 0xffffffff, \ + }, \ + .resource = (struct resource[]) { \ + { \ + .flags = IORESOURCE_MEM, \ + }, \ + { \ + .start = irq, \ + .end = irq, \ + .flags = IORESOURCE_IRQ, \ + }, \ + }, \ + } + +static struct platform_device xls_usb_ehci_device = + USB_PLATFORM_DEV("ehci-xls", 0, PIC_USB_IRQ); +static struct platform_device xls_usb_ohci_device_0 = + USB_PLATFORM_DEV("ohci-xls-0", 1, PIC_USB_IRQ); +static struct platform_device xls_usb_ohci_device_1 = + USB_PLATFORM_DEV("ohci-xls-1", 2, PIC_USB_IRQ); + +static struct platform_device *xls_platform_devices[] = { + &xls_usb_ehci_device, + &xls_usb_ohci_device_0, + &xls_usb_ohci_device_1, +}; + +int xls_platform_usb_init(void) +{ + uint64_t usb_mmio, gpio_mmio; + unsigned long memres; + uint32_t val; + + if (!nlm_chip_is_xls()) + return 0; + + gpio_mmio = nlm_mmio_base(NETLOGIC_IO_GPIO_OFFSET); + usb_mmio = nlm_mmio_base(NETLOGIC_IO_USB_1_OFFSET); + + /* Clear Rogue Phy INTs */ + nlm_write_reg(usb_mmio, 49, 0x10000000); + /* Enable all interrupts */ + nlm_write_reg(usb_mmio, 50, 0x1f000000); + + /* Enable ports */ + nlm_write_reg(usb_mmio, 1, 0x07000500); + + val = nlm_read_reg(gpio_mmio, 21); + if (((val >> 22) & 0x01) == 0) { + pr_info("Detected USB Device mode - Not supported!\n"); + nlm_write_reg(usb_mmio, 0, 0x01000000); + return 0; + } + + pr_info("Detected USB Host mode - Adding XLS USB devices.\n"); + /* Clear reset, host mode */ + nlm_write_reg(usb_mmio, 0, 0x02000000); + + /* Memory resource for various XLS usb ports */ + usb_mmio = nlm_mmio_base(NETLOGIC_IO_USB_0_OFFSET); + memres = CPHYSADDR((unsigned long)usb_mmio); + xls_usb_ehci_device.resource[0].start = memres; + xls_usb_ehci_device.resource[0].end = memres + 0x400 - 1; + + memres += 0x400; + xls_usb_ohci_device_0.resource[0].start = memres; + xls_usb_ohci_device_0.resource[0].end = memres + 0x400 - 1; + + memres += 0x400; + xls_usb_ohci_device_1.resource[0].start = memres; + xls_usb_ohci_device_1.resource[0].end = memres + 0x400 - 1; + + return platform_add_devices(xls_platform_devices, + ARRAY_SIZE(xls_platform_devices)); +} + +arch_initcall(xls_platform_usb_init); +#endif + +#ifdef CONFIG_I2C +static struct i2c_board_info nlm_i2c_board_info1[] __initdata = { + /* All XLR boards have this RTC and Max6657 Temp Chip */ + [0] = { + .type = "ds1374", + .addr = 0x68 + }, + [1] = { + .type = "lm90", + .addr = 0x4c + }, +}; + +static struct resource i2c_resources[] = { + [0] = { + .start = 0, /* filled at init */ + .end = 0, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device nlm_xlr_i2c_1 = { + .name = "xlr-i2cbus", + .id = 1, + .num_resources = 1, + .resource = i2c_resources, +}; + +static int __init nlm_i2c_init(void) +{ + int err = 0; + unsigned int offset; + + /* I2C bus 0 does not have any useful devices, configure only bus 1 */ + offset = NETLOGIC_IO_I2C_1_OFFSET; + nlm_xlr_i2c_1.resource[0].start = CPHYSADDR(nlm_mmio_base(offset)); + nlm_xlr_i2c_1.resource[0].end = nlm_xlr_i2c_1.resource[0].start + 0xfff; + + platform_device_register(&nlm_xlr_i2c_1); + + err = i2c_register_board_info(1, nlm_i2c_board_info1, + ARRAY_SIZE(nlm_i2c_board_info1)); + if (err < 0) + pr_err("nlm-i2c: cannot register board I2C devices\n"); + return err; +} + +arch_initcall(nlm_i2c_init); +#endif diff --git a/arch/mips/netlogic/xlr/setup.c b/arch/mips/netlogic/xlr/setup.c index c9d066d..81b1d31 100644 --- a/arch/mips/netlogic/xlr/setup.c +++ b/arch/mips/netlogic/xlr/setup.c @@ -85,7 +85,7 @@ static void nlm_linux_exit(void) gpiobase = nlm_mmio_base(NETLOGIC_IO_GPIO_OFFSET); /* trigger a chip reset by writing 1 to GPIO_SWRESET_REG */ - nlm_write_reg(gpiobase, NETLOGIC_GPIO_SWRESET_REG, 1); + nlm_write_reg(gpiobase, GPIO_SWRESET_REG, 1); for ( ; ; ) cpu_wait(); } diff --git a/arch/mips/oprofile/common.c b/arch/mips/oprofile/common.c index b6e3782..f80480a 100644 --- a/arch/mips/oprofile/common.c +++ b/arch/mips/oprofile/common.c @@ -85,6 +85,7 @@ int __init oprofile_arch_init(struct oprofile_operations *ops) case CPU_34K: case CPU_1004K: case CPU_74K: + case CPU_LOONGSON1: case CPU_SB1: case CPU_SB1A: case CPU_R10000: diff --git a/arch/mips/oprofile/op_model_mipsxx.c b/arch/mips/oprofile/op_model_mipsxx.c index 4d80a85..28ea1a4 100644 --- a/arch/mips/oprofile/op_model_mipsxx.c +++ b/arch/mips/oprofile/op_model_mipsxx.c @@ -339,12 +339,6 @@ static int __init mipsxx_init(void) break; case CPU_1004K: -#if 0 - /* FIXME: report as 34K for now */ - op_model_mipsxx_ops.cpu_type = "mips/1004K"; - break; -#endif - case CPU_34K: op_model_mipsxx_ops.cpu_type = "mips/34K"; break; @@ -374,6 +368,10 @@ static int __init mipsxx_init(void) op_model_mipsxx_ops.cpu_type = "mips/sb1"; break; + case CPU_LOONGSON1: + op_model_mipsxx_ops.cpu_type = "mips/loongson1"; + break; + default: printk(KERN_ERR "Profiling unsupported for this CPU\n"); diff --git a/arch/mips/pci/Makefile b/arch/mips/pci/Makefile index c703f43..e13a71c 100644 --- a/arch/mips/pci/Makefile +++ b/arch/mips/pci/Makefile @@ -59,6 +59,7 @@ obj-$(CONFIG_WR_PPMC) += fixup-wrppmc.o obj-$(CONFIG_MIKROTIK_RB532) += pci-rc32434.o ops-rc32434.o fixup-rc32434.o obj-$(CONFIG_CPU_CAVIUM_OCTEON) += pci-octeon.o pcie-octeon.o obj-$(CONFIG_CPU_XLR) += pci-xlr.o +obj-$(CONFIG_CPU_XLP) += pci-xlp.o ifdef CONFIG_PCI_MSI obj-$(CONFIG_CPU_CAVIUM_OCTEON) += msi-octeon.o diff --git a/arch/mips/pci/fixup-cobalt.c b/arch/mips/pci/fixup-cobalt.c index 9553b14..3e7ce65 100644 --- a/arch/mips/pci/fixup-cobalt.c +++ b/arch/mips/pci/fixup-cobalt.c @@ -37,7 +37,7 @@ #define VIA_COBALT_BRD_ID_REG 0x94 #define VIA_COBALT_BRD_REG_to_ID(reg) ((unsigned char)(reg) >> 4) -static void qube_raq_galileo_early_fixup(struct pci_dev *dev) +static void __devinit qube_raq_galileo_early_fixup(struct pci_dev *dev) { if (dev->devfn == PCI_DEVFN(0, 0) && (dev->class >> 8) == PCI_CLASS_MEMORY_OTHER) { @@ -51,7 +51,7 @@ static void qube_raq_galileo_early_fixup(struct pci_dev *dev) DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_MARVELL, PCI_DEVICE_ID_MARVELL_GT64111, qube_raq_galileo_early_fixup); -static void qube_raq_via_bmIDE_fixup(struct pci_dev *dev) +static void __devinit qube_raq_via_bmIDE_fixup(struct pci_dev *dev) { unsigned short cfgword; unsigned char lt; @@ -74,7 +74,7 @@ static void qube_raq_via_bmIDE_fixup(struct pci_dev *dev) DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C586_1, qube_raq_via_bmIDE_fixup); -static void qube_raq_galileo_fixup(struct pci_dev *dev) +static void __devinit qube_raq_galileo_fixup(struct pci_dev *dev) { if (dev->devfn != PCI_DEVFN(0, 0)) return; @@ -129,7 +129,7 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_MARVELL, PCI_DEVICE_ID_MARVELL_GT64111, int cobalt_board_id; -static void qube_raq_via_board_id_fixup(struct pci_dev *dev) +static void __devinit qube_raq_via_board_id_fixup(struct pci_dev *dev) { u8 id; int retval; diff --git a/arch/mips/pci/fixup-malta.c b/arch/mips/pci/fixup-malta.c index 70073c9..819622f 100644 --- a/arch/mips/pci/fixup-malta.c +++ b/arch/mips/pci/fixup-malta.c @@ -101,3 +101,17 @@ static void __devinit malta_piix_func1_fixup(struct pci_dev *pdev) DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82371AB, malta_piix_func1_fixup); + +/* Enable PCI 2.1 compatibility in PIIX4 */ +static void __devinit quirk_dlcsetup(struct pci_dev *dev) +{ + u8 odlc, ndlc; + + (void) pci_read_config_byte(dev, 0x82, &odlc); + /* Enable passive releases and delayed transaction */ + ndlc = odlc | 7; + (void) pci_write_config_byte(dev, 0x82, ndlc); +} + +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82371AB_0, + quirk_dlcsetup); diff --git a/arch/mips/pci/fixup-rc32434.c b/arch/mips/pci/fixup-rc32434.c index 3d86823..76bb1be 100644 --- a/arch/mips/pci/fixup-rc32434.c +++ b/arch/mips/pci/fixup-rc32434.c @@ -47,7 +47,7 @@ int __devinit pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) return irq + GROUP4_IRQ_BASE + 4; } -static void rc32434_pci_early_fixup(struct pci_dev *dev) +static void __devinit rc32434_pci_early_fixup(struct pci_dev *dev) { if (PCI_SLOT(dev->devfn) == 6 && dev->bus->number == 0) { /* disable prefetched memory range */ diff --git a/arch/mips/pci/ops-bcm63xx.c b/arch/mips/pci/ops-bcm63xx.c index 822ae17..65c7bd1 100644 --- a/arch/mips/pci/ops-bcm63xx.c +++ b/arch/mips/pci/ops-bcm63xx.c @@ -411,7 +411,7 @@ struct pci_ops bcm63xx_cb_ops = { * only one IO window, so it cannot be shared by PCI and cardbus, use * fixup to choose and detect unhandled configuration */ -static void bcm63xx_fixup(struct pci_dev *dev) +static void __devinit bcm63xx_fixup(struct pci_dev *dev) { static int io_window = -1; int i, found, new_io_window; @@ -465,3 +465,64 @@ static void bcm63xx_fixup(struct pci_dev *dev) DECLARE_PCI_FIXUP_ENABLE(PCI_ANY_ID, PCI_ANY_ID, bcm63xx_fixup); #endif + +static int bcm63xx_pcie_can_access(struct pci_bus *bus, int devfn) +{ + switch (bus->number) { + case PCIE_BUS_BRIDGE: + return (PCI_SLOT(devfn) == 0); + case PCIE_BUS_DEVICE: + if (PCI_SLOT(devfn) == 0) + return bcm_pcie_readl(PCIE_DLSTATUS_REG) + & DLSTATUS_PHYLINKUP; + default: + return false; + } +} + +static int bcm63xx_pcie_read(struct pci_bus *bus, unsigned int devfn, + int where, int size, u32 *val) +{ + u32 data; + u32 reg = where & ~3; + + if (!bcm63xx_pcie_can_access(bus, devfn)) + return PCIBIOS_DEVICE_NOT_FOUND; + + if (bus->number == PCIE_BUS_DEVICE) + reg += PCIE_DEVICE_OFFSET; + + data = bcm_pcie_readl(reg); + + *val = postprocess_read(data, where, size); + + return PCIBIOS_SUCCESSFUL; + +} + +static int bcm63xx_pcie_write(struct pci_bus *bus, unsigned int devfn, + int where, int size, u32 val) +{ + u32 data; + u32 reg = where & ~3; + + if (!bcm63xx_pcie_can_access(bus, devfn)) + return PCIBIOS_DEVICE_NOT_FOUND; + + if (bus->number == PCIE_BUS_DEVICE) + reg += PCIE_DEVICE_OFFSET; + + + data = bcm_pcie_readl(reg); + + data = preprocess_write(data, val, where, size); + bcm_pcie_writel(data, reg); + + return PCIBIOS_SUCCESSFUL; +} + + +struct pci_ops bcm63xx_pcie_ops = { + .read = bcm63xx_pcie_read, + .write = bcm63xx_pcie_write +}; diff --git a/arch/mips/pci/pci-bcm63xx.c b/arch/mips/pci/pci-bcm63xx.c index 39eb7c4..8a48139 100644 --- a/arch/mips/pci/pci-bcm63xx.c +++ b/arch/mips/pci/pci-bcm63xx.c @@ -10,6 +10,7 @@ #include <linux/pci.h> #include <linux/kernel.h> #include <linux/init.h> +#include <linux/delay.h> #include <asm/bootinfo.h> #include "pci-bcm63xx.h" @@ -71,6 +72,26 @@ struct pci_controller bcm63xx_cb_controller = { }; #endif +static struct resource bcm_pcie_mem_resource = { + .name = "bcm63xx PCIe memory space", + .start = BCM_PCIE_MEM_BASE_PA, + .end = BCM_PCIE_MEM_END_PA, + .flags = IORESOURCE_MEM, +}; + +static struct resource bcm_pcie_io_resource = { + .name = "bcm63xx PCIe IO space", + .start = 0, + .end = 0, + .flags = 0, +}; + +struct pci_controller bcm63xx_pcie_controller = { + .pci_ops = &bcm63xx_pcie_ops, + .io_resource = &bcm_pcie_io_resource, + .mem_resource = &bcm_pcie_mem_resource, +}; + static u32 bcm63xx_int_cfg_readl(u32 reg) { u32 tmp; @@ -94,17 +115,99 @@ static void bcm63xx_int_cfg_writel(u32 val, u32 reg) void __iomem *pci_iospace_start; -static int __init bcm63xx_pci_init(void) +static void __init bcm63xx_reset_pcie(void) { - unsigned int mem_size; u32 val; - if (!BCMCPU_IS_6348() && !BCMCPU_IS_6358() && !BCMCPU_IS_6368()) - return -ENODEV; + /* enable clock */ + val = bcm_perf_readl(PERF_CKCTL_REG); + val |= CKCTL_6328_PCIE_EN; + bcm_perf_writel(val, PERF_CKCTL_REG); + + /* enable SERDES */ + val = bcm_misc_readl(MISC_SERDES_CTRL_REG); + val |= SERDES_PCIE_EN | SERDES_PCIE_EXD_EN; + bcm_misc_writel(val, MISC_SERDES_CTRL_REG); + + /* reset the PCIe core */ + val = bcm_perf_readl(PERF_SOFTRESET_6328_REG); + + val &= ~SOFTRESET_6328_PCIE_MASK; + val &= ~SOFTRESET_6328_PCIE_CORE_MASK; + val &= ~SOFTRESET_6328_PCIE_HARD_MASK; + val &= ~SOFTRESET_6328_PCIE_EXT_MASK; + bcm_perf_writel(val, PERF_SOFTRESET_6328_REG); + mdelay(10); + + val |= SOFTRESET_6328_PCIE_MASK; + val |= SOFTRESET_6328_PCIE_CORE_MASK; + val |= SOFTRESET_6328_PCIE_HARD_MASK; + bcm_perf_writel(val, PERF_SOFTRESET_6328_REG); + mdelay(10); + + val |= SOFTRESET_6328_PCIE_EXT_MASK; + bcm_perf_writel(val, PERF_SOFTRESET_6328_REG); + mdelay(200); +} - if (!bcm63xx_pci_enabled) - return -ENODEV; +static int __init bcm63xx_register_pcie(void) +{ + u32 val; + bcm63xx_reset_pcie(); + + /* configure the PCIe bridge */ + val = bcm_pcie_readl(PCIE_BRIDGE_OPT1_REG); + val |= OPT1_RD_BE_OPT_EN; + val |= OPT1_RD_REPLY_BE_FIX_EN; + val |= OPT1_PCIE_BRIDGE_HOLE_DET_EN; + val |= OPT1_L1_INT_STATUS_MASK_POL; + bcm_pcie_writel(val, PCIE_BRIDGE_OPT1_REG); + + /* setup the interrupts */ + val = bcm_pcie_readl(PCIE_BRIDGE_RC_INT_MASK_REG); + val |= PCIE_RC_INT_A | PCIE_RC_INT_B | PCIE_RC_INT_C | PCIE_RC_INT_D; + bcm_pcie_writel(val, PCIE_BRIDGE_RC_INT_MASK_REG); + + val = bcm_pcie_readl(PCIE_BRIDGE_OPT2_REG); + /* enable credit checking and error checking */ + val |= OPT2_TX_CREDIT_CHK_EN; + val |= OPT2_UBUS_UR_DECODE_DIS; + + /* set device bus/func for the pcie device */ + val |= (PCIE_BUS_DEVICE << OPT2_CFG_TYPE1_BUS_NO_SHIFT); + val |= OPT2_CFG_TYPE1_BD_SEL; + bcm_pcie_writel(val, PCIE_BRIDGE_OPT2_REG); + + /* setup class code as bridge */ + val = bcm_pcie_readl(PCIE_IDVAL3_REG); + val &= ~IDVAL3_CLASS_CODE_MASK; + val |= (PCI_CLASS_BRIDGE_PCI << IDVAL3_SUBCLASS_SHIFT); + bcm_pcie_writel(val, PCIE_IDVAL3_REG); + + /* disable bar1 size */ + val = bcm_pcie_readl(PCIE_CONFIG2_REG); + val &= ~CONFIG2_BAR1_SIZE_MASK; + bcm_pcie_writel(val, PCIE_CONFIG2_REG); + + /* set bar0 to little endian */ + val = (BCM_PCIE_MEM_BASE_PA >> 20) << BASEMASK_BASE_SHIFT; + val |= (BCM_PCIE_MEM_BASE_PA >> 20) << BASEMASK_MASK_SHIFT; + val |= BASEMASK_REMAP_EN; + bcm_pcie_writel(val, PCIE_BRIDGE_BAR0_BASEMASK_REG); + + val = (BCM_PCIE_MEM_BASE_PA >> 20) << REBASE_ADDR_BASE_SHIFT; + bcm_pcie_writel(val, PCIE_BRIDGE_BAR0_REBASE_ADDR_REG); + + register_pci_controller(&bcm63xx_pcie_controller); + + return 0; +} + +static int __init bcm63xx_register_pci(void) +{ + unsigned int mem_size; + u32 val; /* * configuration access are done through IO space, remap 4 * first bytes to access it from CPU. @@ -221,4 +324,22 @@ static int __init bcm63xx_pci_init(void) return 0; } + +static int __init bcm63xx_pci_init(void) +{ + if (!bcm63xx_pci_enabled) + return -ENODEV; + + switch (bcm63xx_get_cpu_id()) { + case BCM6328_CPU_ID: + return bcm63xx_register_pcie(); + case BCM6348_CPU_ID: + case BCM6358_CPU_ID: + case BCM6368_CPU_ID: + return bcm63xx_register_pci(); + default: + return -ENODEV; + } +} + arch_initcall(bcm63xx_pci_init); diff --git a/arch/mips/pci/pci-bcm63xx.h b/arch/mips/pci/pci-bcm63xx.h index a6e594e..e6736d5 100644 --- a/arch/mips/pci/pci-bcm63xx.h +++ b/arch/mips/pci/pci-bcm63xx.h @@ -13,11 +13,16 @@ */ #define CARDBUS_PCI_IDSEL 0x8 + +#define PCIE_BUS_BRIDGE 0 +#define PCIE_BUS_DEVICE 1 + /* * defined in ops-bcm63xx.c */ extern struct pci_ops bcm63xx_pci_ops; extern struct pci_ops bcm63xx_cb_ops; +extern struct pci_ops bcm63xx_pcie_ops; /* * defined in pci-bcm63xx.c diff --git a/arch/mips/pci/pci-xlp.c b/arch/mips/pci/pci-xlp.c new file mode 100644 index 0000000..140557a --- /dev/null +++ b/arch/mips/pci/pci-xlp.c @@ -0,0 +1,248 @@ +/* + * Copyright (c) 2003-2012 Broadcom Corporation + * All Rights Reserved + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the Broadcom + * license below: + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY BROADCOM ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL BROADCOM OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE + * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <linux/types.h> +#include <linux/pci.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/msi.h> +#include <linux/mm.h> +#include <linux/irq.h> +#include <linux/irqdesc.h> +#include <linux/console.h> + +#include <asm/io.h> + +#include <asm/netlogic/interrupt.h> +#include <asm/netlogic/haldefs.h> + +#include <asm/netlogic/xlp-hal/iomap.h> +#include <asm/netlogic/xlp-hal/pic.h> +#include <asm/netlogic/xlp-hal/xlp.h> +#include <asm/netlogic/xlp-hal/pcibus.h> +#include <asm/netlogic/xlp-hal/bridge.h> + +static void *pci_config_base; + +#define pci_cfg_addr(bus, devfn, off) (((bus) << 20) | ((devfn) << 12) | (off)) + +/* PCI ops */ +static inline u32 pci_cfg_read_32bit(struct pci_bus *bus, unsigned int devfn, + int where) +{ + u32 data; + u32 *cfgaddr; + + cfgaddr = (u32 *)(pci_config_base + + pci_cfg_addr(bus->number, devfn, where & ~3)); + data = *cfgaddr; + return data; +} + +static inline void pci_cfg_write_32bit(struct pci_bus *bus, unsigned int devfn, + int where, u32 data) +{ + u32 *cfgaddr; + + cfgaddr = (u32 *)(pci_config_base + + pci_cfg_addr(bus->number, devfn, where & ~3)); + *cfgaddr = data; +} + +static int nlm_pcibios_read(struct pci_bus *bus, unsigned int devfn, + int where, int size, u32 *val) +{ + u32 data; + + if ((size == 2) && (where & 1)) + return PCIBIOS_BAD_REGISTER_NUMBER; + else if ((size == 4) && (where & 3)) + return PCIBIOS_BAD_REGISTER_NUMBER; + + data = pci_cfg_read_32bit(bus, devfn, where); + + if (size == 1) + *val = (data >> ((where & 3) << 3)) & 0xff; + else if (size == 2) + *val = (data >> ((where & 3) << 3)) & 0xffff; + else + *val = data; + + return PCIBIOS_SUCCESSFUL; +} + + +static int nlm_pcibios_write(struct pci_bus *bus, unsigned int devfn, + int where, int size, u32 val) +{ + u32 data; + + if ((size == 2) && (where & 1)) + return PCIBIOS_BAD_REGISTER_NUMBER; + else if ((size == 4) && (where & 3)) + return PCIBIOS_BAD_REGISTER_NUMBER; + + data = pci_cfg_read_32bit(bus, devfn, where); + + if (size == 1) + data = (data & ~(0xff << ((where & 3) << 3))) | + (val << ((where & 3) << 3)); + else if (size == 2) + data = (data & ~(0xffff << ((where & 3) << 3))) | + (val << ((where & 3) << 3)); + else + data = val; + + pci_cfg_write_32bit(bus, devfn, where, data); + + return PCIBIOS_SUCCESSFUL; +} + +struct pci_ops nlm_pci_ops = { + .read = nlm_pcibios_read, + .write = nlm_pcibios_write +}; + +static struct resource nlm_pci_mem_resource = { + .name = "XLP PCI MEM", + .start = 0xd0000000UL, /* 256MB PCI mem @ 0xd000_0000 */ + .end = 0xdfffffffUL, + .flags = IORESOURCE_MEM, +}; + +static struct resource nlm_pci_io_resource = { + .name = "XLP IO MEM", + .start = 0x14000000UL, /* 64MB PCI IO @ 0x1000_0000 */ + .end = 0x17ffffffUL, + .flags = IORESOURCE_IO, +}; + +struct pci_controller nlm_pci_controller = { + .index = 0, + .pci_ops = &nlm_pci_ops, + .mem_resource = &nlm_pci_mem_resource, + .mem_offset = 0x00000000UL, + .io_resource = &nlm_pci_io_resource, + .io_offset = 0x00000000UL, +}; + +static int get_irq_vector(const struct pci_dev *dev) +{ + /* + * For XLP PCIe, there is an IRQ per Link, find out which + * link the device is on to assign interrupts + */ + if (dev->bus->self == NULL) + return 0; + + switch (dev->bus->self->devfn) { + case 0x8: + return PIC_PCIE_LINK_0_IRQ; + case 0x9: + return PIC_PCIE_LINK_1_IRQ; + case 0xa: + return PIC_PCIE_LINK_2_IRQ; + case 0xb: + return PIC_PCIE_LINK_3_IRQ; + } + WARN(1, "Unexpected devfn %d\n", dev->bus->self->devfn); + return 0; +} + +int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) +{ + return get_irq_vector(dev); +} + +/* Do platform specific device initialization at pci_enable_device() time */ +int pcibios_plat_dev_init(struct pci_dev *dev) +{ + return 0; +} + +static int xlp_enable_pci_bswap(void) +{ + uint64_t pciebase, sysbase; + int node, i; + u32 reg; + + /* Chip-0 so node set to 0 */ + node = 0; + sysbase = nlm_get_bridge_regbase(node); + /* + * Enable byte swap in hardware. Program each link's PCIe SWAP regions + * from the link's address ranges. + */ + for (i = 0; i < 4; i++) { + pciebase = nlm_pcicfg_base(XLP_IO_PCIE_OFFSET(node, i)); + if (nlm_read_pci_reg(pciebase, 0) == 0xffffffff) + continue; + + reg = nlm_read_bridge_reg(sysbase, BRIDGE_PCIEMEM_BASE0 + i); + nlm_write_pci_reg(pciebase, PCIE_BYTE_SWAP_MEM_BASE, reg); + + reg = nlm_read_bridge_reg(sysbase, BRIDGE_PCIEMEM_LIMIT0 + i); + nlm_write_pci_reg(pciebase, PCIE_BYTE_SWAP_MEM_LIM, + reg | 0xfff); + + reg = nlm_read_bridge_reg(sysbase, BRIDGE_PCIEIO_BASE0 + i); + nlm_write_pci_reg(pciebase, PCIE_BYTE_SWAP_IO_BASE, reg); + + reg = nlm_read_bridge_reg(sysbase, BRIDGE_PCIEIO_LIMIT0 + i); + nlm_write_pci_reg(pciebase, PCIE_BYTE_SWAP_IO_LIM, reg | 0xfff); + } + return 0; +} + +static int __init pcibios_init(void) +{ + /* Firmware assigns PCI resources */ + pci_set_flags(PCI_PROBE_ONLY); + pci_config_base = ioremap(XLP_DEFAULT_PCI_ECFG_BASE, 64 << 20); + + /* Extend IO port for memory mapped io */ + ioport_resource.start = 0; + ioport_resource.end = ~0; + + xlp_enable_pci_bswap(); + set_io_port_base(CKSEG1); + nlm_pci_controller.io_map_base = CKSEG1; + + register_pci_controller(&nlm_pci_controller); + pr_info("XLP PCIe Controller %pR%pR.\n", &nlm_pci_io_resource, + &nlm_pci_mem_resource); + + return 0; +} +arch_initcall(pcibios_init); diff --git a/arch/mips/pci/pci-xlr.c b/arch/mips/pci/pci-xlr.c index 172af1c..18af021 100644 --- a/arch/mips/pci/pci-xlr.c +++ b/arch/mips/pci/pci-xlr.c @@ -375,7 +375,3 @@ static int __init pcibios_init(void) } arch_initcall(pcibios_init); - -struct pci_fixup pcibios_fixups[] = { - {0} -}; diff --git a/arch/mips/pnx833x/stb22x/board.c b/arch/mips/pnx833x/stb22x/board.c index 644eb7c..4b328ac 100644 --- a/arch/mips/pnx833x/stb22x/board.c +++ b/arch/mips/pnx833x/stb22x/board.c @@ -91,7 +91,7 @@ void __init pnx833x_board_setup(void) pnx833x_gpio_select_function_alt(32); pnx833x_gpio_select_function_alt(33); -#if defined(CONFIG_MTD_NAND_PLATFORM) || defined(CONFIG_MTD_NAND_PLATFORM_MODULE) +#if IS_ENABLED(CONFIG_MTD_NAND_PLATFORM) /* Setup MIU for NAND access on CS0... * * (it seems that we must also configure CS1 for reliable operation, @@ -117,7 +117,7 @@ void __init pnx833x_board_setup(void) pnx833x_gpio_select_output(5); pnx833x_gpio_write(1, 5); -#elif defined(CONFIG_MTD_CFI) || defined(CONFIG_MTD_CFI_MODULE) +#elif IS_ENABLED(CONFIG_MTD_CFI) /* Set up MIU for 16-bit NOR access on CS0 and CS1... */ diff --git a/arch/mips/sgi-ip27/ip27-memory.c b/arch/mips/sgi-ip27/ip27-memory.c index b105eca..cd8fcab 100644 --- a/arch/mips/sgi-ip27/ip27-memory.c +++ b/arch/mips/sgi-ip27/ip27-memory.c @@ -401,6 +401,7 @@ static void __init node_mem_init(cnodeid_t node) * Allocate the node data structures on the node first. */ __node_data[node] = __va(slot_freepfn << PAGE_SHIFT); + memset(__node_data[node], 0, PAGE_SIZE); NODE_DATA(node)->bdata = &bootmem_node_data[node]; NODE_DATA(node)->node_start_pfn = start_pfn; diff --git a/arch/mips/txx9/Kconfig b/arch/mips/txx9/Kconfig index 852ae4b..6d40bc7 100644 --- a/arch/mips/txx9/Kconfig +++ b/arch/mips/txx9/Kconfig @@ -20,6 +20,7 @@ config MACH_TXX9 select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_LITTLE_ENDIAN select SYS_SUPPORTS_BIG_ENDIAN + select HAVE_CLK config TOSHIBA_JMR3927 bool "Toshiba JMR-TX3927 board" diff --git a/arch/mips/txx9/generic/pci.c b/arch/mips/txx9/generic/pci.c index 125db32..4efd918 100644 --- a/arch/mips/txx9/generic/pci.c +++ b/arch/mips/txx9/generic/pci.c @@ -304,7 +304,7 @@ static void __devinit quirk_slc90e66_bridge(struct pci_dev *dev) smsc_fdc37m81x_config_end(); } -static void quirk_slc90e66_ide(struct pci_dev *dev) +static void __devinit quirk_slc90e66_ide(struct pci_dev *dev) { unsigned char dat; int regs[2] = {0x41, 0x43}; @@ -339,7 +339,7 @@ static void quirk_slc90e66_ide(struct pci_dev *dev) } #endif /* CONFIG_TOSHIBA_FPCIB0 */ -static void tc35815_fixup(struct pci_dev *dev) +static void __devinit tc35815_fixup(struct pci_dev *dev) { /* This device may have PM registers but not they are not suported. */ if (dev->pm_cap) { @@ -348,7 +348,7 @@ static void tc35815_fixup(struct pci_dev *dev) } } -static void final_fixup(struct pci_dev *dev) +static void __devinit final_fixup(struct pci_dev *dev) { unsigned char bist; diff --git a/arch/mips/txx9/generic/setup.c b/arch/mips/txx9/generic/setup.c index ae77a79..560fe899 100644 --- a/arch/mips/txx9/generic/setup.c +++ b/arch/mips/txx9/generic/setup.c @@ -632,7 +632,7 @@ void __init txx9_physmap_flash_init(int no, unsigned long addr, unsigned long size, const struct physmap_flash_data *pdata) { -#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE) +#if IS_ENABLED(CONFIG_MTD_PHYSMAP) struct resource res = { .start = addr, .end = addr + size - 1, @@ -670,8 +670,7 @@ void __init txx9_physmap_flash_init(int no, unsigned long addr, void __init txx9_ndfmc_init(unsigned long baseaddr, const struct txx9ndfmc_platform_data *pdata) { -#if defined(CONFIG_MTD_NAND_TXX9NDFMC) || \ - defined(CONFIG_MTD_NAND_TXX9NDFMC_MODULE) +#if IS_ENABLED(CONFIG_MTD_NAND_TXX9NDFMC) struct resource res = { .start = baseaddr, .end = baseaddr + 0x1000 - 1, @@ -687,7 +686,7 @@ void __init txx9_ndfmc_init(unsigned long baseaddr, #endif } -#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE) +#if IS_ENABLED(CONFIG_LEDS_GPIO) static DEFINE_SPINLOCK(txx9_iocled_lock); #define TXX9_IOCLED_MAXLEDS 8 @@ -810,7 +809,7 @@ void __init txx9_iocled_init(unsigned long baseaddr, void __init txx9_dmac_init(int id, unsigned long baseaddr, int irq, const struct txx9dmac_platform_data *pdata) { -#if defined(CONFIG_TXX9_DMAC) || defined(CONFIG_TXX9_DMAC_MODULE) +#if IS_ENABLED(CONFIG_TXX9_DMAC) struct resource res[] = { { .start = baseaddr, @@ -866,8 +865,7 @@ void __init txx9_aclc_init(unsigned long baseaddr, int irq, unsigned int dma_chan_out, unsigned int dma_chan_in) { -#if defined(CONFIG_SND_SOC_TXX9ACLC) || \ - defined(CONFIG_SND_SOC_TXX9ACLC_MODULE) +#if IS_ENABLED(CONFIG_SND_SOC_TXX9ACLC) unsigned int dma_base = dmac_id * TXX9_DMA_MAX_NR_CHANNELS; struct resource res[] = { { diff --git a/arch/mips/txx9/generic/setup_tx4939.c b/arch/mips/txx9/generic/setup_tx4939.c index 6567895..5ff7a95 100644 --- a/arch/mips/txx9/generic/setup_tx4939.c +++ b/arch/mips/txx9/generic/setup_tx4939.c @@ -317,7 +317,7 @@ void __init tx4939_sio_init(unsigned int sclk, unsigned int cts_mask) } } -#if defined(CONFIG_TC35815) || defined(CONFIG_TC35815_MODULE) +#if IS_ENABLED(CONFIG_TC35815) static u32 tx4939_get_eth_speed(struct net_device *dev) { struct ethtool_cmd cmd; diff --git a/arch/mips/txx9/rbtx4939/setup.c b/arch/mips/txx9/rbtx4939/setup.c index 2ad8973..e15641d 100644 --- a/arch/mips/txx9/rbtx4939/setup.c +++ b/arch/mips/txx9/rbtx4939/setup.c @@ -40,8 +40,7 @@ static void __init rbtx4939_time_init(void) tx4939_time_init(0); } -#if defined(__BIG_ENDIAN) && \ - (defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)) +#if defined(__BIG_ENDIAN) && IS_ENABLED(CONFIG_SMC91X) #define HAVE_RBTX4939_IOSWAB #define IS_CE1_ADDR(addr) \ ((((unsigned long)(addr) - IO_BASE) & 0xfff00000) == TXX9_CE(1)) @@ -187,7 +186,7 @@ static void __init rbtx4939_update_ioc_pen(void) #define RBTX4939_MAX_7SEGLEDS 8 -#if defined(CONFIG_LEDS_CLASS) || defined(CONFIG_LEDS_CLASS_MODULE) +#if IS_ENABLED(CONFIG_LEDS_CLASS) static u8 led_val[RBTX4939_MAX_7SEGLEDS]; struct rbtx4939_led_data { struct led_classdev cdev; @@ -263,7 +262,7 @@ static inline void rbtx4939_led_setup(void) static void __rbtx4939_7segled_putc(unsigned int pos, unsigned char val) { -#if defined(CONFIG_LEDS_CLASS) || defined(CONFIG_LEDS_CLASS_MODULE) +#if IS_ENABLED(CONFIG_LEDS_CLASS) unsigned long flags; local_irq_save(flags); /* bit7: reserved for LED class */ @@ -287,7 +286,7 @@ static void rbtx4939_7segled_putc(unsigned int pos, unsigned char val) __rbtx4939_7segled_putc(pos, val); } -#if defined(CONFIG_MTD_RBTX4939) || defined(CONFIG_MTD_RBTX4939_MODULE) +#if IS_ENABLED(CONFIG_MTD_RBTX4939) /* special mapping for boot rom */ static unsigned long rbtx4939_flash_fixup_ofs(unsigned long ofs) { @@ -463,7 +462,7 @@ static void __init rbtx4939_device_init(void) .flags = SMC91X_USE_16BIT, }; struct platform_device *pdev; -#if defined(CONFIG_TC35815) || defined(CONFIG_TC35815_MODULE) +#if IS_ENABLED(CONFIG_TC35815) int i, j; unsigned char ethaddr[2][6]; u8 bdipsw = readb(rbtx4939_bdipsw_addr) & 0x0f; diff --git a/arch/mn10300/Kconfig b/arch/mn10300/Kconfig index 687f9b4..5cfb086 100644 --- a/arch/mn10300/Kconfig +++ b/arch/mn10300/Kconfig @@ -3,6 +3,7 @@ config MN10300 select HAVE_OPROFILE select HAVE_GENERIC_HARDIRQS select GENERIC_IRQ_SHOW + select ARCH_WANT_IPC_PARSE_VERSION select HAVE_ARCH_TRACEHOOK select HAVE_ARCH_KGDB select HAVE_NMI_WATCHDOG if MN10300_WD_TIMER diff --git a/arch/mn10300/include/asm/ipc.h b/arch/mn10300/include/asm/ipc.h deleted file mode 100644 index a46e3d9..0000000 --- a/arch/mn10300/include/asm/ipc.h +++ /dev/null @@ -1 +0,0 @@ -#include <asm-generic/ipc.h> diff --git a/arch/mn10300/include/asm/unistd.h b/arch/mn10300/include/asm/unistd.h index 9051f92..866eb14 100644 --- a/arch/mn10300/include/asm/unistd.h +++ b/arch/mn10300/include/asm/unistd.h @@ -358,7 +358,6 @@ /* * specify the deprecated syscalls we want to support on this arch */ -#define __ARCH_WANT_IPC_PARSE_VERSION #define __ARCH_WANT_OLD_READDIR #define __ARCH_WANT_OLD_STAT #define __ARCH_WANT_STAT64 diff --git a/arch/openrisc/include/asm/Kbuild b/arch/openrisc/include/asm/Kbuild index 3f35c38..0922959 100644 --- a/arch/openrisc/include/asm/Kbuild +++ b/arch/openrisc/include/asm/Kbuild @@ -13,7 +13,6 @@ generic-y += cacheflush.h generic-y += checksum.h generic-y += cmpxchg.h generic-y += cmpxchg-local.h -generic-y += cpumask.h generic-y += cputime.h generic-y += current.h generic-y += device.h @@ -43,7 +42,6 @@ generic-y += percpu.h generic-y += poll.h generic-y += posix_types.h generic-y += resource.h -generic-y += rmap.h generic-y += scatterlist.h generic-y += sections.h generic-y += segment.h diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 9a5d3cd..352f416 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -115,11 +115,13 @@ config PPC select HAVE_OPROFILE select HAVE_SYSCALL_WRAPPERS if PPC64 select GENERIC_ATOMIC64 if PPC32 + select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE select HAVE_IRQ_WORK select HAVE_PERF_EVENTS select HAVE_REGS_AND_STACK_ACCESS_API select HAVE_HW_BREAKPOINT if PERF_EVENTS && PPC_BOOK3S_64 select HAVE_GENERIC_HARDIRQS + select ARCH_WANT_IPC_PARSE_VERSION select SPARSE_IRQ select IRQ_PER_CPU select IRQ_DOMAIN diff --git a/arch/powerpc/boot/dts/p2020rdb-pc_32b.dts b/arch/powerpc/boot/dts/p2020rdb-pc_32b.dts index 852e5b2..57573bd 100644 --- a/arch/powerpc/boot/dts/p2020rdb-pc_32b.dts +++ b/arch/powerpc/boot/dts/p2020rdb-pc_32b.dts @@ -56,7 +56,7 @@ ranges = <0x0 0x0 0xffe00000 0x100000>; }; - pci0: pcie@ffe08000 { + pci2: pcie@ffe08000 { reg = <0 0xffe08000 0 0x1000>; status = "disabled"; }; @@ -76,7 +76,7 @@ }; }; - pci2: pcie@ffe0a000 { + pci0: pcie@ffe0a000 { reg = <0 0xffe0a000 0 0x1000>; ranges = <0x2000000 0x0 0xe0000000 0 0x80000000 0x0 0x20000000 0x1000000 0x0 0x00000000 0 0xffc00000 0x0 0x10000>; diff --git a/arch/powerpc/boot/dts/p2020rdb-pc_36b.dts b/arch/powerpc/boot/dts/p2020rdb-pc_36b.dts index b5a56ca..470247e 100644 --- a/arch/powerpc/boot/dts/p2020rdb-pc_36b.dts +++ b/arch/powerpc/boot/dts/p2020rdb-pc_36b.dts @@ -56,7 +56,7 @@ ranges = <0x0 0xf 0xffe00000 0x100000>; }; - pci0: pcie@fffe08000 { + pci2: pcie@fffe08000 { reg = <0xf 0xffe08000 0 0x1000>; status = "disabled"; }; @@ -76,7 +76,7 @@ }; }; - pci2: pcie@fffe0a000 { + pci0: pcie@fffe0a000 { reg = <0xf 0xffe0a000 0 0x1000>; ranges = <0x2000000 0x0 0xe0000000 0xc 0x00000000 0x0 0x20000000 0x1000000 0x0 0x00000000 0xf 0xffc00000 0x0 0x10000>; diff --git a/arch/powerpc/boot/dts/p3041ds.dts b/arch/powerpc/boot/dts/p3041ds.dts index 22a215e..6cdcadc 100644 --- a/arch/powerpc/boot/dts/p3041ds.dts +++ b/arch/powerpc/boot/dts/p3041ds.dts @@ -58,7 +58,7 @@ #size-cells = <1>; compatible = "spansion,s25sl12801"; reg = <0>; - spi-max-frequency = <40000000>; /* input clock */ + spi-max-frequency = <35000000>; /* input clock */ partition@u-boot { label = "u-boot"; reg = <0x00000000 0x00100000>; diff --git a/arch/powerpc/configs/chroma_defconfig b/arch/powerpc/configs/chroma_defconfig index b1f9597..29bb11e 100644 --- a/arch/powerpc/configs/chroma_defconfig +++ b/arch/powerpc/configs/chroma_defconfig @@ -21,8 +21,8 @@ CONFIG_CGROUP_DEVICE=y CONFIG_CPUSETS=y CONFIG_CGROUP_CPUACCT=y CONFIG_RESOURCE_COUNTERS=y -CONFIG_CGROUP_MEM_RES_CTLR=y -CONFIG_CGROUP_MEM_RES_CTLR_SWAP=y +CONFIG_CGROUP_MEMCG=y +CONFIG_CGROUP_MEMCG_SWAP=y CONFIG_NAMESPACES=y CONFIG_RELAY=y CONFIG_BLK_DEV_INITRD=y diff --git a/arch/powerpc/include/asm/dma-mapping.h b/arch/powerpc/include/asm/dma-mapping.h index 62678e3..7816087 100644 --- a/arch/powerpc/include/asm/dma-mapping.h +++ b/arch/powerpc/include/asm/dma-mapping.h @@ -27,7 +27,10 @@ extern void *dma_direct_alloc_coherent(struct device *dev, size_t size, extern void dma_direct_free_coherent(struct device *dev, size_t size, void *vaddr, dma_addr_t dma_handle, struct dma_attrs *attrs); - +extern int dma_direct_mmap_coherent(struct device *dev, + struct vm_area_struct *vma, + void *cpu_addr, dma_addr_t handle, + size_t size, struct dma_attrs *attrs); #ifdef CONFIG_NOT_COHERENT_CACHE /* @@ -207,11 +210,8 @@ static inline phys_addr_t dma_to_phys(struct device *dev, dma_addr_t daddr) #define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f) #define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h) -extern int dma_mmap_coherent(struct device *, struct vm_area_struct *, - void *, dma_addr_t, size_t); #define ARCH_HAS_DMA_MMAP_COHERENT - static inline void dma_cache_sync(struct device *dev, void *vaddr, size_t size, enum dma_data_direction direction) { diff --git a/arch/powerpc/include/asm/unistd.h b/arch/powerpc/include/asm/unistd.h index d3d1b5e..bd377a3 100644 --- a/arch/powerpc/include/asm/unistd.h +++ b/arch/powerpc/include/asm/unistd.h @@ -389,7 +389,6 @@ #include <linux/compiler.h> #include <linux/linkage.h> -#define __ARCH_WANT_IPC_PARSE_VERSION #define __ARCH_WANT_OLD_READDIR #define __ARCH_WANT_STAT64 #define __ARCH_WANT_SYS_ALARM diff --git a/arch/powerpc/kernel/dma-iommu.c b/arch/powerpc/kernel/dma-iommu.c index bcfdcd2..2d7bb8c 100644 --- a/arch/powerpc/kernel/dma-iommu.c +++ b/arch/powerpc/kernel/dma-iommu.c @@ -109,6 +109,7 @@ static u64 dma_iommu_get_required_mask(struct device *dev) struct dma_map_ops dma_iommu_ops = { .alloc = dma_iommu_alloc_coherent, .free = dma_iommu_free_coherent, + .mmap = dma_direct_mmap_coherent, .map_sg = dma_iommu_map_sg, .unmap_sg = dma_iommu_unmap_sg, .dma_supported = dma_iommu_dma_supported, diff --git a/arch/powerpc/kernel/dma-swiotlb.c b/arch/powerpc/kernel/dma-swiotlb.c index 4ab88da..4694365 100644 --- a/arch/powerpc/kernel/dma-swiotlb.c +++ b/arch/powerpc/kernel/dma-swiotlb.c @@ -49,6 +49,7 @@ static u64 swiotlb_powerpc_get_required(struct device *dev) struct dma_map_ops swiotlb_dma_ops = { .alloc = dma_direct_alloc_coherent, .free = dma_direct_free_coherent, + .mmap = dma_direct_mmap_coherent, .map_sg = swiotlb_map_sg_attrs, .unmap_sg = swiotlb_unmap_sg_attrs, .dma_supported = swiotlb_dma_supported, diff --git a/arch/powerpc/kernel/dma.c b/arch/powerpc/kernel/dma.c index 289be75..355b9d8 100644 --- a/arch/powerpc/kernel/dma.c +++ b/arch/powerpc/kernel/dma.c @@ -67,6 +67,24 @@ void dma_direct_free_coherent(struct device *dev, size_t size, #endif } +int dma_direct_mmap_coherent(struct device *dev, struct vm_area_struct *vma, + void *cpu_addr, dma_addr_t handle, size_t size, + struct dma_attrs *attrs) +{ + unsigned long pfn; + +#ifdef CONFIG_NOT_COHERENT_CACHE + vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); + pfn = __dma_get_coherent_pfn((unsigned long)cpu_addr); +#else + pfn = page_to_pfn(virt_to_page(cpu_addr)); +#endif + return remap_pfn_range(vma, vma->vm_start, + pfn + vma->vm_pgoff, + vma->vm_end - vma->vm_start, + vma->vm_page_prot); +} + static int dma_direct_map_sg(struct device *dev, struct scatterlist *sgl, int nents, enum dma_data_direction direction, struct dma_attrs *attrs) @@ -156,6 +174,7 @@ static inline void dma_direct_sync_single(struct device *dev, struct dma_map_ops dma_direct_ops = { .alloc = dma_direct_alloc_coherent, .free = dma_direct_free_coherent, + .mmap = dma_direct_mmap_coherent, .map_sg = dma_direct_map_sg, .unmap_sg = dma_direct_unmap_sg, .dma_supported = dma_direct_dma_supported, @@ -219,20 +238,3 @@ static int __init dma_init(void) } fs_initcall(dma_init); -int dma_mmap_coherent(struct device *dev, struct vm_area_struct *vma, - void *cpu_addr, dma_addr_t handle, size_t size) -{ - unsigned long pfn; - -#ifdef CONFIG_NOT_COHERENT_CACHE - vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); - pfn = __dma_get_coherent_pfn((unsigned long)cpu_addr); -#else - pfn = page_to_pfn(virt_to_page(cpu_addr)); -#endif - return remap_pfn_range(vma, vma->vm_start, - pfn + vma->vm_pgoff, - vma->vm_end - vma->vm_start, - vma->vm_page_prot); -} -EXPORT_SYMBOL_GPL(dma_mmap_coherent); diff --git a/arch/powerpc/kernel/vio.c b/arch/powerpc/kernel/vio.c index 3052a93..02b3221 100644 --- a/arch/powerpc/kernel/vio.c +++ b/arch/powerpc/kernel/vio.c @@ -611,6 +611,7 @@ static u64 vio_dma_get_required_mask(struct device *dev) struct dma_map_ops vio_dma_mapping_ops = { .alloc = vio_dma_iommu_alloc_coherent, .free = vio_dma_iommu_free_coherent, + .mmap = dma_direct_mmap_coherent, .map_sg = vio_dma_iommu_map_sg, .unmap_sg = vio_dma_iommu_unmap_sg, .map_page = vio_dma_iommu_map_page, diff --git a/arch/powerpc/kvm/book3s_rmhandlers.S b/arch/powerpc/kvm/book3s_rmhandlers.S index ab523f3..9ecf6e3 100644 --- a/arch/powerpc/kvm/book3s_rmhandlers.S +++ b/arch/powerpc/kvm/book3s_rmhandlers.S @@ -67,7 +67,6 @@ kvmppc_skip_Hinterrupt: #elif defined(CONFIG_PPC_BOOK3S_32) #define FUNC(name) name -#define MTMSR_EERI(reg) mtmsr (reg) .macro INTERRUPT_TRAMPOLINE intno diff --git a/arch/powerpc/platforms/85xx/p1022_ds.c b/arch/powerpc/platforms/85xx/p1022_ds.c index 89ee02c..3c732ac 100644 --- a/arch/powerpc/platforms/85xx/p1022_ds.c +++ b/arch/powerpc/platforms/85xx/p1022_ds.c @@ -208,6 +208,7 @@ static void p1022ds_set_monitor_port(enum fsl_diu_monitor_port port) u8 __iomem *lbc_lcs0_ba = NULL; u8 __iomem *lbc_lcs1_ba = NULL; phys_addr_t cs0_addr, cs1_addr; + u32 br0, or0, br1, or1; const __be32 *iprop; unsigned int num_laws; u8 b; @@ -256,11 +257,70 @@ static void p1022ds_set_monitor_port(enum fsl_diu_monitor_port port) } num_laws = be32_to_cpup(iprop); - cs0_addr = lbc_br_to_phys(ecm, num_laws, in_be32(&lbc->bank[0].br)); - cs1_addr = lbc_br_to_phys(ecm, num_laws, in_be32(&lbc->bank[1].br)); + /* + * Indirect mode requires both BR0 and BR1 to be set to "GPCM", + * otherwise writes to these addresses won't actually appear on the + * local bus, and so the PIXIS won't see them. + * + * In FCM mode, writes go to the NAND controller, which does not pass + * them to the localbus directly. So we force BR0 and BR1 into GPCM + * mode, since we don't care about what's behind the localbus any + * more. + */ + br0 = in_be32(&lbc->bank[0].br); + br1 = in_be32(&lbc->bank[1].br); + or0 = in_be32(&lbc->bank[0].or); + or1 = in_be32(&lbc->bank[1].or); + + /* Make sure CS0 and CS1 are programmed */ + if (!(br0 & BR_V) || !(br1 & BR_V)) { + pr_err("p1022ds: CS0 and/or CS1 is not programmed\n"); + goto exit; + } + + /* + * Use the existing BRx/ORx values if it's already GPCM. Otherwise, + * force the values to simple 32KB GPCM windows with the most + * conservative timing. + */ + if ((br0 & BR_MSEL) != BR_MS_GPCM) { + br0 = (br0 & BR_BA) | BR_V; + or0 = 0xFFFF8000 | 0xFF7; + out_be32(&lbc->bank[0].br, br0); + out_be32(&lbc->bank[0].or, or0); + } + if ((br1 & BR_MSEL) != BR_MS_GPCM) { + br1 = (br1 & BR_BA) | BR_V; + or1 = 0xFFFF8000 | 0xFF7; + out_be32(&lbc->bank[1].br, br1); + out_be32(&lbc->bank[1].or, or1); + } + + cs0_addr = lbc_br_to_phys(ecm, num_laws, br0); + if (!cs0_addr) { + pr_err("p1022ds: could not determine physical address for CS0" + " (BR0=%08x)\n", br0); + goto exit; + } + cs1_addr = lbc_br_to_phys(ecm, num_laws, br1); + if (!cs0_addr) { + pr_err("p1022ds: could not determine physical address for CS1" + " (BR1=%08x)\n", br1); + goto exit; + } lbc_lcs0_ba = ioremap(cs0_addr, 1); + if (!lbc_lcs0_ba) { + pr_err("p1022ds: could not ioremap CS0 address %llx\n", + (unsigned long long)cs0_addr); + goto exit; + } lbc_lcs1_ba = ioremap(cs1_addr, 1); + if (!lbc_lcs1_ba) { + pr_err("p1022ds: could not ioremap CS1 address %llx\n", + (unsigned long long)cs1_addr); + goto exit; + } /* Make sure we're in indirect mode first. */ if ((in_be32(&guts->pmuxcr) & PMUXCR_ELBCDIU_MASK) != @@ -419,18 +479,6 @@ void __init p1022_ds_pic_init(void) #if defined(CONFIG_FB_FSL_DIU) || defined(CONFIG_FB_FSL_DIU_MODULE) -/* - * Disables a node in the device tree. - * - * This function is called before kmalloc() is available, so the 'new' object - * should be allocated in the global area. The easiest way is to do that is - * to allocate one static local variable for each call to this function. - */ -static void __init disable_one_node(struct device_node *np, struct property *new) -{ - prom_update_property(np, new); -} - /* TRUE if there is a "video=fslfb" command-line parameter. */ static bool fslfb; @@ -493,28 +541,58 @@ static void __init p1022_ds_setup_arch(void) diu_ops.valid_monitor_port = p1022ds_valid_monitor_port; /* - * Disable the NOR flash node if there is video=fslfb... command-line - * parameter. When the DIU is active, NOR flash is unavailable, so we - * have to disable the node before the MTD driver loads. + * Disable the NOR and NAND flash nodes if there is video=fslfb... + * command-line parameter. When the DIU is active, the localbus is + * unavailable, so we have to disable these nodes before the MTD + * driver loads. */ if (fslfb) { struct device_node *np = of_find_compatible_node(NULL, NULL, "fsl,p1022-elbc"); if (np) { - np = of_find_compatible_node(np, NULL, "cfi-flash"); - if (np) { + struct device_node *np2; + + of_node_get(np); + np2 = of_find_compatible_node(np, NULL, "cfi-flash"); + if (np2) { static struct property nor_status = { .name = "status", .value = "disabled", .length = sizeof("disabled"), }; + /* + * prom_update_property() is called before + * kmalloc() is available, so the 'new' object + * should be allocated in the global area. + * The easiest way is to do that is to + * allocate one static local variable for each + * call to this function. + */ pr_info("p1022ds: disabling %s node", - np->full_name); - disable_one_node(np, &nor_status); - of_node_put(np); + np2->full_name); + prom_update_property(np2, &nor_status); + of_node_put(np2); } + + of_node_get(np); + np2 = of_find_compatible_node(np, NULL, + "fsl,elbc-fcm-nand"); + if (np2) { + static struct property nand_status = { + .name = "status", + .value = "disabled", + .length = sizeof("disabled"), + }; + + pr_info("p1022ds: disabling %s node", + np2->full_name); + prom_update_property(np2, &nand_status); + of_node_put(np2); + } + + of_node_put(np); } } diff --git a/arch/powerpc/platforms/cell/spufs/inode.c b/arch/powerpc/platforms/cell/spufs/inode.c index d544d78..dba1ce23 100644 --- a/arch/powerpc/platforms/cell/spufs/inode.c +++ b/arch/powerpc/platforms/cell/spufs/inode.c @@ -186,10 +186,13 @@ static void spufs_prune_dir(struct dentry *dir) static int spufs_rmdir(struct inode *parent, struct dentry *dir) { /* remove all entries */ + int res; spufs_prune_dir(dir); d_drop(dir); - - return simple_rmdir(parent, dir); + res = simple_rmdir(parent, dir); + /* We have to give up the mm_struct */ + spu_forget(SPUFS_I(dir->d_inode)->i_ctx); + return res; } static int spufs_fill_dir(struct dentry *dir, @@ -245,9 +248,6 @@ static int spufs_dir_close(struct inode *inode, struct file *file) mutex_unlock(&parent->i_mutex); WARN_ON(ret); - /* We have to give up the mm_struct */ - spu_forget(ctx); - return dcache_dir_close(inode, file); } @@ -450,28 +450,24 @@ spufs_create_context(struct inode *inode, struct dentry *dentry, struct spu_context *neighbor; struct path path = {.mnt = mnt, .dentry = dentry}; - ret = -EPERM; if ((flags & SPU_CREATE_NOSCHED) && !capable(CAP_SYS_NICE)) - goto out_unlock; + return -EPERM; - ret = -EINVAL; if ((flags & (SPU_CREATE_NOSCHED | SPU_CREATE_ISOLATE)) == SPU_CREATE_ISOLATE) - goto out_unlock; + return -EINVAL; - ret = -ENODEV; if ((flags & SPU_CREATE_ISOLATE) && !isolated_loader) - goto out_unlock; + return -ENODEV; gang = NULL; neighbor = NULL; affinity = flags & (SPU_CREATE_AFFINITY_MEM | SPU_CREATE_AFFINITY_SPU); if (affinity) { gang = SPUFS_I(inode)->i_gang; - ret = -EINVAL; if (!gang) - goto out_unlock; + return -EINVAL; mutex_lock(&gang->aff_mutex); neighbor = spufs_assert_affinity(flags, gang, aff_filp); if (IS_ERR(neighbor)) { @@ -492,22 +488,12 @@ spufs_create_context(struct inode *inode, struct dentry *dentry, } ret = spufs_context_open(&path); - if (ret < 0) { + if (ret < 0) WARN_ON(spufs_rmdir(inode, dentry)); - if (affinity) - mutex_unlock(&gang->aff_mutex); - mutex_unlock(&inode->i_mutex); - spu_forget(SPUFS_I(dentry->d_inode)->i_ctx); - goto out; - } out_aff_unlock: if (affinity) mutex_unlock(&gang->aff_mutex); -out_unlock: - mutex_unlock(&inode->i_mutex); -out: - dput(dentry); return ret; } @@ -580,18 +566,13 @@ static int spufs_create_gang(struct inode *inode, int ret; ret = spufs_mkgang(inode, dentry, mode & S_IRWXUGO); - if (ret) - goto out; - - ret = spufs_gang_open(&path); - if (ret < 0) { - int err = simple_rmdir(inode, dentry); - WARN_ON(err); + if (!ret) { + ret = spufs_gang_open(&path); + if (ret < 0) { + int err = simple_rmdir(inode, dentry); + WARN_ON(err); + } } - -out: - mutex_unlock(&inode->i_mutex); - dput(dentry); return ret; } @@ -601,40 +582,32 @@ static struct file_system_type spufs_type; long spufs_create(struct path *path, struct dentry *dentry, unsigned int flags, umode_t mode, struct file *filp) { + struct inode *dir = path->dentry->d_inode; int ret; - ret = -EINVAL; /* check if we are on spufs */ if (path->dentry->d_sb->s_type != &spufs_type) - goto out; + return -EINVAL; /* don't accept undefined flags */ if (flags & (~SPU_CREATE_FLAG_ALL)) - goto out; + return -EINVAL; /* only threads can be underneath a gang */ - if (path->dentry != path->dentry->d_sb->s_root) { - if ((flags & SPU_CREATE_GANG) || - !SPUFS_I(path->dentry->d_inode)->i_gang) - goto out; - } + if (path->dentry != path->dentry->d_sb->s_root) + if ((flags & SPU_CREATE_GANG) || !SPUFS_I(dir)->i_gang) + return -EINVAL; mode &= ~current_umask(); if (flags & SPU_CREATE_GANG) - ret = spufs_create_gang(path->dentry->d_inode, - dentry, path->mnt, mode); + ret = spufs_create_gang(dir, dentry, path->mnt, mode); else - ret = spufs_create_context(path->dentry->d_inode, - dentry, path->mnt, flags, mode, + ret = spufs_create_context(dir, dentry, path->mnt, flags, mode, filp); if (ret >= 0) - fsnotify_mkdir(path->dentry->d_inode, dentry); - return ret; + fsnotify_mkdir(dir, dentry); -out: - mutex_unlock(&path->dentry->d_inode->i_mutex); - dput(dentry); return ret; } diff --git a/arch/powerpc/platforms/cell/spufs/syscalls.c b/arch/powerpc/platforms/cell/spufs/syscalls.c index 5665dcc..5b7d8ff 100644 --- a/arch/powerpc/platforms/cell/spufs/syscalls.c +++ b/arch/powerpc/platforms/cell/spufs/syscalls.c @@ -70,7 +70,7 @@ static long do_spu_create(const char __user *pathname, unsigned int flags, ret = PTR_ERR(dentry); if (!IS_ERR(dentry)) { ret = spufs_create(&path, dentry, flags, mode, neighbor); - path_put(&path); + done_path_create(&path, dentry); } return ret; diff --git a/arch/powerpc/sysdev/fsl_85xx_cache_ctlr.h b/arch/powerpc/sysdev/fsl_85xx_cache_ctlr.h index 60c9c0b..2aa97ddb 100644 --- a/arch/powerpc/sysdev/fsl_85xx_cache_ctlr.h +++ b/arch/powerpc/sysdev/fsl_85xx_cache_ctlr.h @@ -1,5 +1,5 @@ /* - * Copyright 2009-2010 Freescale Semiconductor, Inc + * Copyright 2009-2010, 2012 Freescale Semiconductor, Inc * * QorIQ based Cache Controller Memory Mapped Registers * @@ -91,7 +91,7 @@ struct mpc85xx_l2ctlr { struct sram_parameters { unsigned int sram_size; - uint64_t sram_offset; + phys_addr_t sram_offset; }; extern int instantiate_cache_sram(struct platform_device *dev, diff --git a/arch/powerpc/sysdev/fsl_85xx_l2ctlr.c b/arch/powerpc/sysdev/fsl_85xx_l2ctlr.c index cedabd0..68ac3aa 100644 --- a/arch/powerpc/sysdev/fsl_85xx_l2ctlr.c +++ b/arch/powerpc/sysdev/fsl_85xx_l2ctlr.c @@ -1,5 +1,5 @@ /* - * Copyright 2009-2010 Freescale Semiconductor, Inc. + * Copyright 2009-2010, 2012 Freescale Semiconductor, Inc. * * QorIQ (P1/P2) L2 controller init for Cache-SRAM instantiation * @@ -31,24 +31,21 @@ static char *sram_size; static char *sram_offset; struct mpc85xx_l2ctlr __iomem *l2ctlr; -static long get_cache_sram_size(void) +static int get_cache_sram_params(struct sram_parameters *sram_params) { - unsigned long val; + unsigned long long addr; + unsigned int size; - if (!sram_size || (strict_strtoul(sram_size, 0, &val) < 0)) + if (!sram_size || (kstrtouint(sram_size, 0, &size) < 0)) return -EINVAL; - return val; -} - -static long get_cache_sram_offset(void) -{ - unsigned long val; - - if (!sram_offset || (strict_strtoul(sram_offset, 0, &val) < 0)) + if (!sram_offset || (kstrtoull(sram_offset, 0, &addr) < 0)) return -EINVAL; - return val; + sram_params->sram_offset = addr; + sram_params->sram_size = size; + + return 0; } static int __init get_size_from_cmdline(char *str) @@ -93,17 +90,9 @@ static int __devinit mpc85xx_l2ctlr_of_probe(struct platform_device *dev) } l2cache_size = *prop; - sram_params.sram_size = get_cache_sram_size(); - if ((int)sram_params.sram_size <= 0) { - dev_err(&dev->dev, - "Entire L2 as cache, Aborting Cache-SRAM stuff\n"); - return -EINVAL; - } - - sram_params.sram_offset = get_cache_sram_offset(); - if ((int64_t)sram_params.sram_offset <= 0) { + if (get_cache_sram_params(&sram_params)) { dev_err(&dev->dev, - "Entire L2 as cache, provide a valid sram offset\n"); + "Entire L2 as cache, provide valid sram offset and size\n"); return -EINVAL; } @@ -125,14 +114,14 @@ static int __devinit mpc85xx_l2ctlr_of_probe(struct platform_device *dev) * Write bits[0-17] to srbar0 */ out_be32(&l2ctlr->srbar0, - sram_params.sram_offset & L2SRAM_BAR_MSK_LO18); + lower_32_bits(sram_params.sram_offset) & L2SRAM_BAR_MSK_LO18); /* * Write bits[18-21] to srbare0 */ #ifdef CONFIG_PHYS_64BIT out_be32(&l2ctlr->srbarea0, - (sram_params.sram_offset >> 32) & L2SRAM_BARE_MSK_HI4); + upper_32_bits(sram_params.sram_offset) & L2SRAM_BARE_MSK_HI4); #endif clrsetbits_be32(&l2ctlr->ctl, L2CR_L2E, L2CR_L2FI); diff --git a/arch/powerpc/sysdev/xics/icp-hv.c b/arch/powerpc/sysdev/xics/icp-hv.c index 253dce9..14469cf 100644 --- a/arch/powerpc/sysdev/xics/icp-hv.c +++ b/arch/powerpc/sysdev/xics/icp-hv.c @@ -111,7 +111,7 @@ static unsigned int icp_hv_get_irq(void) if (vec == XICS_IRQ_SPURIOUS) return NO_IRQ; - irq = irq_radix_revmap_lookup(xics_host, vec); + irq = irq_find_mapping(xics_host, vec); if (likely(irq != NO_IRQ)) { xics_push_cppr(vec); return irq; diff --git a/arch/powerpc/sysdev/xics/icp-native.c b/arch/powerpc/sysdev/xics/icp-native.c index 4c79b6f..48861d3 100644 --- a/arch/powerpc/sysdev/xics/icp-native.c +++ b/arch/powerpc/sysdev/xics/icp-native.c @@ -119,7 +119,7 @@ static unsigned int icp_native_get_irq(void) if (vec == XICS_IRQ_SPURIOUS) return NO_IRQ; - irq = irq_radix_revmap_lookup(xics_host, vec); + irq = irq_find_mapping(xics_host, vec); if (likely(irq != NO_IRQ)) { xics_push_cppr(vec); return irq; diff --git a/arch/powerpc/sysdev/xics/xics-common.c b/arch/powerpc/sysdev/xics/xics-common.c index cd1d18d..9049d9f 100644 --- a/arch/powerpc/sysdev/xics/xics-common.c +++ b/arch/powerpc/sysdev/xics/xics-common.c @@ -329,9 +329,6 @@ static int xics_host_map(struct irq_domain *h, unsigned int virq, pr_devel("xics: map virq %d, hwirq 0x%lx\n", virq, hw); - /* Insert the interrupt mapping into the radix tree for fast lookup */ - irq_radix_revmap_insert(xics_host, virq, hw); - /* They aren't all level sensitive but we just don't really know */ irq_set_status_flags(virq, IRQ_LEVEL); diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index a39b469..76de6b6 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -85,10 +85,12 @@ config S390 select HAVE_ARCH_MUTEX_CPU_RELAX select HAVE_ARCH_JUMP_LABEL if !MARCH_G5 select ARCH_SAVE_PAGE_KEYS if HIBERNATION + select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE select HAVE_MEMBLOCK select HAVE_MEMBLOCK_NODE_MAP select HAVE_CMPXCHG_LOCAL select ARCH_DISCARD_MEMBLOCK + select BUILDTIME_EXTABLE_SORT select ARCH_INLINE_SPIN_TRYLOCK select ARCH_INLINE_SPIN_TRYLOCK_BH select ARCH_INLINE_SPIN_LOCK @@ -117,6 +119,7 @@ config S390 select ARCH_INLINE_WRITE_UNLOCK_BH select ARCH_INLINE_WRITE_UNLOCK_IRQ select ARCH_INLINE_WRITE_UNLOCK_IRQRESTORE + select ARCH_WANT_IPC_PARSE_VERSION select GENERIC_SMP_IDLE_THREAD select GENERIC_TIME_VSYSCALL select GENERIC_CLOCKEVENTS diff --git a/arch/s390/defconfig b/arch/s390/defconfig index 37d2bf2..f39cd71 100644 --- a/arch/s390/defconfig +++ b/arch/s390/defconfig @@ -7,13 +7,16 @@ CONFIG_TASK_DELAY_ACCT=y CONFIG_TASK_XACCT=y CONFIG_TASK_IO_ACCOUNTING=y CONFIG_AUDIT=y +CONFIG_NO_HZ=y +CONFIG_HIGH_RES_TIMERS=y +CONFIG_RCU_FAST_NO_HZ=y CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y CONFIG_CGROUPS=y CONFIG_CPUSETS=y CONFIG_CGROUP_CPUACCT=y CONFIG_RESOURCE_COUNTERS=y -CONFIG_CGROUP_MEM_RES_CTLR=y +CONFIG_CGROUP_MEMCG=y CONFIG_CGROUP_MEM_RES_CTLR_SWAP=y CONFIG_CGROUP_SCHED=y CONFIG_RT_GROUP_SCHED=y @@ -35,8 +38,6 @@ CONFIG_MODVERSIONS=y CONFIG_PARTITION_ADVANCED=y CONFIG_IBM_PARTITION=y CONFIG_DEFAULT_DEADLINE=y -CONFIG_NO_HZ=y -CONFIG_HIGH_RES_TIMERS=y CONFIG_PREEMPT=y CONFIG_MEMORY_HOTPLUG=y CONFIG_MEMORY_HOTREMOVE=y diff --git a/arch/s390/include/asm/mmu_context.h b/arch/s390/include/asm/mmu_context.h index 5c63615..b749c57 100644 --- a/arch/s390/include/asm/mmu_context.h +++ b/arch/s390/include/asm/mmu_context.h @@ -11,7 +11,6 @@ #include <asm/uaccess.h> #include <asm/tlbflush.h> #include <asm/ctl_reg.h> -#include <asm-generic/mm_hooks.h> static inline int init_new_context(struct task_struct *tsk, struct mm_struct *mm) @@ -58,7 +57,7 @@ static inline void update_mm(struct mm_struct *mm, struct task_struct *tsk) pgd_t *pgd = mm->pgd; S390_lowcore.user_asce = mm->context.asce_bits | __pa(pgd); - if (user_mode != HOME_SPACE_MODE) { + if (addressing_mode != HOME_SPACE_MODE) { /* Load primary space page table origin. */ asm volatile(LCTL_OPCODE" 1,1,%0\n" : : "m" (S390_lowcore.user_asce) ); @@ -91,4 +90,17 @@ static inline void activate_mm(struct mm_struct *prev, switch_mm(prev, next, current); } +static inline void arch_dup_mmap(struct mm_struct *oldmm, + struct mm_struct *mm) +{ +#ifdef CONFIG_64BIT + if (oldmm->context.asce_limit < mm->context.asce_limit) + crst_table_downgrade(mm, oldmm->context.asce_limit); +#endif +} + +static inline void arch_exit_mmap(struct mm_struct *mm) +{ +} + #endif /* __S390_MMU_CONTEXT_H */ diff --git a/arch/s390/include/asm/processor.h b/arch/s390/include/asm/processor.h index c40fa91..11e4e32 100644 --- a/arch/s390/include/asm/processor.h +++ b/arch/s390/include/asm/processor.h @@ -120,7 +120,9 @@ struct stack_frame { regs->psw.mask = psw_user_bits | PSW_MASK_BA; \ regs->psw.addr = new_psw | PSW_ADDR_AMODE; \ regs->gprs[15] = new_stackp; \ + __tlb_flush_mm(current->mm); \ crst_table_downgrade(current->mm, 1UL << 31); \ + update_mm(current->mm, current); \ } while (0) /* Forward declaration, a strange C thing */ diff --git a/arch/s390/include/asm/setup.h b/arch/s390/include/asm/setup.h index 57e8053..e6859d1 100644 --- a/arch/s390/include/asm/setup.h +++ b/arch/s390/include/asm/setup.h @@ -60,7 +60,7 @@ void create_mem_hole(struct mem_chunk memory_chunk[], unsigned long addr, #define SECONDARY_SPACE_MODE 2 #define HOME_SPACE_MODE 3 -extern unsigned int user_mode; +extern unsigned int addressing_mode; /* * Machine features detected in head.S diff --git a/arch/s390/include/asm/unistd.h b/arch/s390/include/asm/unistd.h index 2e37157..6756e78 100644 --- a/arch/s390/include/asm/unistd.h +++ b/arch/s390/include/asm/unistd.h @@ -388,7 +388,6 @@ #define __IGNORE_recvmmsg #define __IGNORE_sendmmsg -#define __ARCH_WANT_IPC_PARSE_VERSION #define __ARCH_WANT_OLD_READDIR #define __ARCH_WANT_SYS_ALARM #define __ARCH_WANT_SYS_GETHOSTNAME diff --git a/arch/s390/kernel/debug.c b/arch/s390/kernel/debug.c index 21be961..ba500d8 100644 --- a/arch/s390/kernel/debug.c +++ b/arch/s390/kernel/debug.c @@ -110,6 +110,7 @@ struct debug_view debug_raw_view = { NULL, NULL }; +EXPORT_SYMBOL(debug_raw_view); struct debug_view debug_hex_ascii_view = { "hex_ascii", @@ -119,6 +120,7 @@ struct debug_view debug_hex_ascii_view = { NULL, NULL }; +EXPORT_SYMBOL(debug_hex_ascii_view); static struct debug_view debug_level_view = { "level", @@ -155,6 +157,7 @@ struct debug_view debug_sprintf_view = { NULL, NULL }; +EXPORT_SYMBOL(debug_sprintf_view); /* used by dump analysis tools to determine version of debug feature */ static unsigned int __used debug_feature_version = __DEBUG_FEATURE_VERSION; @@ -730,6 +733,7 @@ debug_info_t *debug_register(const char *name, int pages_per_area, return debug_register_mode(name, pages_per_area, nr_areas, buf_size, S_IRUSR | S_IWUSR, 0, 0); } +EXPORT_SYMBOL(debug_register); /* * debug_unregister: @@ -748,6 +752,7 @@ debug_unregister(debug_info_t * id) out: return; } +EXPORT_SYMBOL(debug_unregister); /* * debug_set_size: @@ -810,7 +815,7 @@ debug_set_level(debug_info_t* id, int new_level) } spin_unlock_irqrestore(&id->lock,flags); } - +EXPORT_SYMBOL(debug_set_level); /* * proceed_active_entry: @@ -930,7 +935,7 @@ debug_stop_all(void) if (debug_stoppable) debug_active = 0; } - +EXPORT_SYMBOL(debug_stop_all); void debug_set_critical(void) { @@ -963,6 +968,7 @@ debug_event_common(debug_info_t * id, int level, const void *buf, int len) return active; } +EXPORT_SYMBOL(debug_event_common); /* * debug_exception_common: @@ -990,6 +996,7 @@ debug_entry_t return active; } +EXPORT_SYMBOL(debug_exception_common); /* * counts arguments in format string for sprintf view @@ -1043,6 +1050,7 @@ debug_sprintf_event(debug_info_t* id, int level,char *string,...) return active; } +EXPORT_SYMBOL(debug_sprintf_event); /* * debug_sprintf_exception: @@ -1081,25 +1089,7 @@ debug_sprintf_exception(debug_info_t* id, int level,char *string,...) return active; } - -/* - * debug_init: - * - is called exactly once to initialize the debug feature - */ - -static int -__init debug_init(void) -{ - int rc = 0; - - s390dbf_sysctl_header = register_sysctl_table(s390dbf_dir_table); - mutex_lock(&debug_mutex); - debug_debugfs_root_entry = debugfs_create_dir(DEBUG_DIR_ROOT,NULL); - initialized = 1; - mutex_unlock(&debug_mutex); - - return rc; -} +EXPORT_SYMBOL(debug_sprintf_exception); /* * debug_register_view: @@ -1147,6 +1137,7 @@ debug_register_view(debug_info_t * id, struct debug_view *view) out: return rc; } +EXPORT_SYMBOL(debug_register_view); /* * debug_unregister_view: @@ -1176,6 +1167,7 @@ debug_unregister_view(debug_info_t * id, struct debug_view *view) out: return rc; } +EXPORT_SYMBOL(debug_unregister_view); static inline char * debug_get_user_string(const char __user *user_buf, size_t user_len) @@ -1485,6 +1477,7 @@ debug_dflt_header_fn(debug_info_t * id, struct debug_view *view, except_str, entry->id.fields.cpuid, (void *) caller); return rc; } +EXPORT_SYMBOL(debug_dflt_header_fn); /* * prints debug data sprintf-formated: @@ -1533,33 +1526,16 @@ out: } /* - * clean up module + * debug_init: + * - is called exactly once to initialize the debug feature */ -static void __exit debug_exit(void) +static int __init debug_init(void) { - debugfs_remove(debug_debugfs_root_entry); - unregister_sysctl_table(s390dbf_sysctl_header); - return; + s390dbf_sysctl_header = register_sysctl_table(s390dbf_dir_table); + mutex_lock(&debug_mutex); + debug_debugfs_root_entry = debugfs_create_dir(DEBUG_DIR_ROOT, NULL); + initialized = 1; + mutex_unlock(&debug_mutex); + return 0; } - -/* - * module definitions - */ postcore_initcall(debug_init); -module_exit(debug_exit); -MODULE_LICENSE("GPL"); - -EXPORT_SYMBOL(debug_register); -EXPORT_SYMBOL(debug_unregister); -EXPORT_SYMBOL(debug_set_level); -EXPORT_SYMBOL(debug_stop_all); -EXPORT_SYMBOL(debug_register_view); -EXPORT_SYMBOL(debug_unregister_view); -EXPORT_SYMBOL(debug_event_common); -EXPORT_SYMBOL(debug_exception_common); -EXPORT_SYMBOL(debug_hex_ascii_view); -EXPORT_SYMBOL(debug_raw_view); -EXPORT_SYMBOL(debug_dflt_header_fn); -EXPORT_SYMBOL(debug_sprintf_view); -EXPORT_SYMBOL(debug_sprintf_exception); -EXPORT_SYMBOL(debug_sprintf_event); diff --git a/arch/s390/kernel/dis.c b/arch/s390/kernel/dis.c index 1f6b428..619c5d3 100644 --- a/arch/s390/kernel/dis.c +++ b/arch/s390/kernel/dis.c @@ -1531,7 +1531,7 @@ static int print_insn(char *buffer, unsigned char *code, unsigned long addr) void show_code(struct pt_regs *regs) { - char *mode = (regs->psw.mask & PSW_MASK_PSTATE) ? "User" : "Krnl"; + char *mode = user_mode(regs) ? "User" : "Krnl"; unsigned char code[64]; char buffer[64], *ptr; mm_segment_t old_fs; @@ -1540,7 +1540,7 @@ void show_code(struct pt_regs *regs) /* Get a snapshot of the 64 bytes surrounding the fault address. */ old_fs = get_fs(); - set_fs((regs->psw.mask & PSW_MASK_PSTATE) ? USER_DS : KERNEL_DS); + set_fs(user_mode(regs) ? USER_DS : KERNEL_DS); for (start = 32; start && regs->psw.addr >= 34 - start; start -= 2) { addr = regs->psw.addr - 34 + start; if (__copy_from_user(code + start - 2, diff --git a/arch/s390/kernel/early.c b/arch/s390/kernel/early.c index bc95a8e..83c3271 100644 --- a/arch/s390/kernel/early.c +++ b/arch/s390/kernel/early.c @@ -455,7 +455,6 @@ void __init startup_init(void) init_kernel_storage_key(); lockdep_init(); lockdep_off(); - sort_main_extable(); setup_lowcore_early(); setup_facility_list(); detect_machine_type(); diff --git a/arch/s390/kernel/ipl.c b/arch/s390/kernel/ipl.c index e64d141..6ffcd320 100644 --- a/arch/s390/kernel/ipl.c +++ b/arch/s390/kernel/ipl.c @@ -1583,7 +1583,7 @@ static struct kset *vmcmd_kset; static void vmcmd_run(struct shutdown_trigger *trigger) { - char *cmd, *next_cmd; + char *cmd; if (strcmp(trigger->name, ON_REIPL_STR) == 0) cmd = vmcmd_on_reboot; @@ -1600,15 +1600,7 @@ static void vmcmd_run(struct shutdown_trigger *trigger) if (strlen(cmd) == 0) return; - do { - next_cmd = strchr(cmd, '\n'); - if (next_cmd) { - next_cmd[0] = 0; - next_cmd += 1; - } - __cpcmd(cmd, NULL, 0, NULL); - cmd = next_cmd; - } while (cmd != NULL); + __cpcmd(cmd, NULL, 0, NULL); } static int vmcmd_init(void) diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c index 743c0f3..f86c81e 100644 --- a/arch/s390/kernel/setup.c +++ b/arch/s390/kernel/setup.c @@ -302,8 +302,8 @@ static int __init parse_vmalloc(char *arg) } early_param("vmalloc", parse_vmalloc); -unsigned int user_mode = HOME_SPACE_MODE; -EXPORT_SYMBOL_GPL(user_mode); +unsigned int addressing_mode = HOME_SPACE_MODE; +EXPORT_SYMBOL_GPL(addressing_mode); static int set_amode_primary(void) { @@ -328,7 +328,7 @@ static int set_amode_primary(void) */ static int __init early_parse_switch_amode(char *p) { - user_mode = PRIMARY_SPACE_MODE; + addressing_mode = PRIMARY_SPACE_MODE; return 0; } early_param("switch_amode", early_parse_switch_amode); @@ -336,9 +336,9 @@ early_param("switch_amode", early_parse_switch_amode); static int __init early_parse_user_mode(char *p) { if (p && strcmp(p, "primary") == 0) - user_mode = PRIMARY_SPACE_MODE; + addressing_mode = PRIMARY_SPACE_MODE; else if (!p || strcmp(p, "home") == 0) - user_mode = HOME_SPACE_MODE; + addressing_mode = HOME_SPACE_MODE; else return 1; return 0; @@ -347,7 +347,7 @@ early_param("user_mode", early_parse_user_mode); static void setup_addressing_mode(void) { - if (user_mode == PRIMARY_SPACE_MODE) { + if (addressing_mode == PRIMARY_SPACE_MODE) { if (set_amode_primary()) pr_info("Address spaces switched, " "mvcos available\n"); diff --git a/arch/s390/kernel/traps.c b/arch/s390/kernel/traps.c index af2421a..01775c0 100644 --- a/arch/s390/kernel/traps.c +++ b/arch/s390/kernel/traps.c @@ -185,7 +185,7 @@ void show_registers(struct pt_regs *regs) { char *mode; - mode = (regs->psw.mask & PSW_MASK_PSTATE) ? "User" : "Krnl"; + mode = user_mode(regs) ? "User" : "Krnl"; printk("%s PSW : %p %p", mode, (void *) regs->psw.mask, (void *) regs->psw.addr); @@ -225,7 +225,7 @@ void show_regs(struct pt_regs *regs) (void *) current->thread.ksp); show_registers(regs); /* Show stack backtrace if pt_regs is from kernel mode */ - if (!(regs->psw.mask & PSW_MASK_PSTATE)) + if (!user_mode(regs)) show_trace(NULL, (unsigned long *) regs->gprs[15]); show_last_breaking_event(regs); } @@ -300,7 +300,7 @@ static void __kprobes do_trap(struct pt_regs *regs, regs->int_code, si_signo) == NOTIFY_STOP) return; - if (regs->psw.mask & PSW_MASK_PSTATE) { + if (user_mode(regs)) { info.si_signo = si_signo; info.si_errno = 0; info.si_code = si_code; @@ -341,7 +341,7 @@ void __kprobes do_per_trap(struct pt_regs *regs) static void default_trap_handler(struct pt_regs *regs) { - if (regs->psw.mask & PSW_MASK_PSTATE) { + if (user_mode(regs)) { report_user_fault(regs, SIGSEGV); do_exit(SIGSEGV); } else @@ -410,7 +410,7 @@ static void __kprobes illegal_op(struct pt_regs *regs) location = get_psw_address(regs); - if (regs->psw.mask & PSW_MASK_PSTATE) { + if (user_mode(regs)) { if (get_user(*((__u16 *) opcode), (__u16 __user *) location)) return; if (*((__u16 *) opcode) == S390_BREAKPOINT_U16) { @@ -478,7 +478,7 @@ void specification_exception(struct pt_regs *regs) location = (__u16 __user *) get_psw_address(regs); - if (regs->psw.mask & PSW_MASK_PSTATE) { + if (user_mode(regs)) { get_user(*((__u16 *) opcode), location); switch (opcode[0]) { case 0x28: /* LDR Rx,Ry */ @@ -531,7 +531,7 @@ static void data_exception(struct pt_regs *regs) asm volatile("stfpc %0" : "=m" (current->thread.fp_regs.fpc)); #ifdef CONFIG_MATHEMU - else if (regs->psw.mask & PSW_MASK_PSTATE) { + else if (user_mode(regs)) { __u8 opcode[6]; get_user(*((__u16 *) opcode), location); switch (opcode[0]) { @@ -598,7 +598,7 @@ static void data_exception(struct pt_regs *regs) static void space_switch_exception(struct pt_regs *regs) { /* Set user psw back to home space mode. */ - if (regs->psw.mask & PSW_MASK_PSTATE) + if (user_mode(regs)) regs->psw.mask |= PSW_ASC_HOME; /* Send SIGILL. */ do_trap(regs, SIGILL, ILL_PRVOPC, "space switch event"); diff --git a/arch/s390/kernel/vdso.c b/arch/s390/kernel/vdso.c index ea5590f..9a19ca3 100644 --- a/arch/s390/kernel/vdso.c +++ b/arch/s390/kernel/vdso.c @@ -84,7 +84,8 @@ struct vdso_data *vdso_data = &vdso_data_store.data; */ static void vdso_init_data(struct vdso_data *vd) { - vd->ectg_available = user_mode != HOME_SPACE_MODE && test_facility(31); + vd->ectg_available = + addressing_mode != HOME_SPACE_MODE && test_facility(31); } #ifdef CONFIG_64BIT @@ -101,7 +102,7 @@ int vdso_alloc_per_cpu(struct _lowcore *lowcore) lowcore->vdso_per_cpu_data = __LC_PASTE; - if (user_mode == HOME_SPACE_MODE || !vdso_enabled) + if (addressing_mode == HOME_SPACE_MODE || !vdso_enabled) return 0; segment_table = __get_free_pages(GFP_KERNEL, SEGMENT_ORDER); @@ -146,7 +147,7 @@ void vdso_free_per_cpu(struct _lowcore *lowcore) unsigned long segment_table, page_table, page_frame; u32 *psal, *aste; - if (user_mode == HOME_SPACE_MODE || !vdso_enabled) + if (addressing_mode == HOME_SPACE_MODE || !vdso_enabled) return; psal = (u32 *)(addr_t) lowcore->paste[4]; @@ -164,7 +165,7 @@ static void vdso_init_cr5(void) { unsigned long cr5; - if (user_mode == HOME_SPACE_MODE || !vdso_enabled) + if (addressing_mode == HOME_SPACE_MODE || !vdso_enabled) return; cr5 = offsetof(struct _lowcore, paste); __ctl_load(cr5, 5, 5); diff --git a/arch/s390/kernel/vmlinux.lds.S b/arch/s390/kernel/vmlinux.lds.S index 21109c6..de8fa9b 100644 --- a/arch/s390/kernel/vmlinux.lds.S +++ b/arch/s390/kernel/vmlinux.lds.S @@ -45,7 +45,7 @@ SECTIONS .dummy : { *(.dummy) } :data - RODATA + RO_DATA_SECTION(PAGE_SIZE) #ifdef CONFIG_SHARED_KERNEL . = ALIGN(0x100000); /* VM shared segments are 1MB aligned */ diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c index 6a12d1b..6c013f5 100644 --- a/arch/s390/mm/fault.c +++ b/arch/s390/mm/fault.c @@ -49,6 +49,7 @@ #define VM_FAULT_BADCONTEXT 0x010000 #define VM_FAULT_BADMAP 0x020000 #define VM_FAULT_BADACCESS 0x040000 +#define VM_FAULT_SIGNAL 0x080000 static unsigned long store_indication; @@ -110,7 +111,7 @@ static inline int user_space_fault(unsigned long trans_exc_code) if (trans_exc_code == 2) /* Access via secondary space, set_fs setting decides */ return current->thread.mm_segment.ar4; - if (user_mode == HOME_SPACE_MODE) + if (addressing_mode == HOME_SPACE_MODE) /* User space if the access has been done via home space. */ return trans_exc_code == 3; /* @@ -219,7 +220,7 @@ static noinline void do_fault_error(struct pt_regs *regs, int fault) case VM_FAULT_BADACCESS: case VM_FAULT_BADMAP: /* Bad memory access. Check if it is kernel or user space. */ - if (regs->psw.mask & PSW_MASK_PSTATE) { + if (user_mode(regs)) { /* User mode accesses just cause a SIGSEGV */ si_code = (fault == VM_FAULT_BADMAP) ? SEGV_MAPERR : SEGV_ACCERR; @@ -229,15 +230,19 @@ static noinline void do_fault_error(struct pt_regs *regs, int fault) case VM_FAULT_BADCONTEXT: do_no_context(regs); break; + case VM_FAULT_SIGNAL: + if (!user_mode(regs)) + do_no_context(regs); + break; default: /* fault & VM_FAULT_ERROR */ if (fault & VM_FAULT_OOM) { - if (!(regs->psw.mask & PSW_MASK_PSTATE)) + if (!user_mode(regs)) do_no_context(regs); else pagefault_out_of_memory(); } else if (fault & VM_FAULT_SIGBUS) { /* Kernel mode? Handle exceptions or die */ - if (!(regs->psw.mask & PSW_MASK_PSTATE)) + if (!user_mode(regs)) do_no_context(regs); else do_sigbus(regs); @@ -286,7 +291,7 @@ static inline int do_exception(struct pt_regs *regs, int access) address = trans_exc_code & __FAIL_ADDR_MASK; perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, regs, address); - flags = FAULT_FLAG_ALLOW_RETRY; + flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE; if (access == VM_WRITE || (trans_exc_code & store_indication) == 0x400) flags |= FAULT_FLAG_WRITE; down_read(&mm->mmap_sem); @@ -335,6 +340,11 @@ retry: * the fault. */ fault = handle_mm_fault(mm, vma, address, flags); + /* No reason to continue if interrupted by SIGKILL. */ + if ((fault & VM_FAULT_RETRY) && fatal_signal_pending(current)) { + fault = VM_FAULT_SIGNAL; + goto out; + } if (unlikely(fault & VM_FAULT_ERROR)) goto out_up; @@ -426,7 +436,7 @@ void __kprobes do_asce_exception(struct pt_regs *regs) } /* User mode accesses just cause a SIGSEGV */ - if (regs->psw.mask & PSW_MASK_PSTATE) { + if (user_mode(regs)) { do_sigsegv(regs, SEGV_MAPERR); return; } @@ -441,6 +451,7 @@ int __handle_fault(unsigned long uaddr, unsigned long pgm_int_code, int write) struct pt_regs regs; int access, fault; + /* Emulate a uaccess fault from kernel mode. */ regs.psw.mask = psw_kernel_bits | PSW_MASK_DAT | PSW_MASK_MCHECK; if (!irqs_disabled()) regs.psw.mask |= PSW_MASK_IO | PSW_MASK_EXT; @@ -450,12 +461,12 @@ int __handle_fault(unsigned long uaddr, unsigned long pgm_int_code, int write) regs.int_parm_long = (uaddr & PAGE_MASK) | 2; access = write ? VM_WRITE : VM_READ; fault = do_exception(®s, access); - if (unlikely(fault)) { - if (fault & VM_FAULT_OOM) - return -EFAULT; - else if (fault & VM_FAULT_SIGBUS) - do_sigbus(®s); - } + /* + * Since the fault happened in kernel mode while performing a uaccess + * all we need to do now is emulating a fixup in case "fault" is not + * zero. + * For the calling uaccess functions this results always in -EFAULT. + */ return fault ? -EFAULT : 0; } diff --git a/arch/s390/mm/mmap.c b/arch/s390/mm/mmap.c index 5733842..c59a5ef 100644 --- a/arch/s390/mm/mmap.c +++ b/arch/s390/mm/mmap.c @@ -103,9 +103,15 @@ void arch_pick_mmap_layout(struct mm_struct *mm) int s390_mmap_check(unsigned long addr, unsigned long len) { + int rc; + if (!is_compat_task() && - len >= TASK_SIZE && TASK_SIZE < (1UL << 53)) - return crst_table_upgrade(current->mm, 1UL << 53); + len >= TASK_SIZE && TASK_SIZE < (1UL << 53)) { + rc = crst_table_upgrade(current->mm, 1UL << 53); + if (rc) + return rc; + update_mm(current->mm, current); + } return 0; } @@ -125,6 +131,7 @@ s390_get_unmapped_area(struct file *filp, unsigned long addr, rc = crst_table_upgrade(mm, 1UL << 53); if (rc) return (unsigned long) rc; + update_mm(mm, current); area = arch_get_unmapped_area(filp, addr, len, pgoff, flags); } return area; @@ -147,6 +154,7 @@ s390_get_unmapped_area_topdown(struct file *filp, const unsigned long addr, rc = crst_table_upgrade(mm, 1UL << 53); if (rc) return (unsigned long) rc; + update_mm(mm, current); area = arch_get_unmapped_area_topdown(filp, addr, len, pgoff, flags); } diff --git a/arch/s390/mm/pgtable.c b/arch/s390/mm/pgtable.c index 1cab221..18df31d 100644 --- a/arch/s390/mm/pgtable.c +++ b/arch/s390/mm/pgtable.c @@ -85,7 +85,6 @@ repeat: crst_table_free(mm, table); if (mm->context.asce_limit < limit) goto repeat; - update_mm(mm, current); return 0; } @@ -93,9 +92,6 @@ void crst_table_downgrade(struct mm_struct *mm, unsigned long limit) { pgd_t *pgd; - if (mm->context.asce_limit <= limit) - return; - __tlb_flush_mm(mm); while (mm->context.asce_limit > limit) { pgd = mm->pgd; switch (pgd_val(*pgd) & _REGION_ENTRY_TYPE_MASK) { @@ -118,7 +114,6 @@ void crst_table_downgrade(struct mm_struct *mm, unsigned long limit) mm->task_size = mm->context.asce_limit; crst_table_free(mm, (unsigned long *) pgd); } - update_mm(mm, current); } #endif @@ -801,7 +796,7 @@ int s390_enable_sie(void) struct mm_struct *mm, *old_mm; /* Do we have switched amode? If no, we cannot do sie */ - if (user_mode == HOME_SPACE_MODE) + if (addressing_mode == HOME_SPACE_MODE) return -EINVAL; /* Do we have pgstes? if yes, we are done */ diff --git a/arch/s390/oprofile/backtrace.c b/arch/s390/oprofile/backtrace.c index c82f62f..8a6811b 100644 --- a/arch/s390/oprofile/backtrace.c +++ b/arch/s390/oprofile/backtrace.c @@ -58,7 +58,7 @@ void s390_backtrace(struct pt_regs * const regs, unsigned int depth) unsigned long head; struct stack_frame* head_sf; - if (user_mode (regs)) + if (user_mode(regs)) return; head = regs->gprs[15]; diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig index a24595d..36f5141 100644 --- a/arch/sh/Kconfig +++ b/arch/sh/Kconfig @@ -21,6 +21,7 @@ config SUPERH select HAVE_KERNEL_LZMA select HAVE_KERNEL_XZ select HAVE_KERNEL_LZO + select ARCH_WANT_IPC_PARSE_VERSION select HAVE_SYSCALL_TRACEPOINTS select HAVE_REGS_AND_STACK_ACCESS_API select HAVE_GENERIC_HARDIRQS @@ -50,6 +51,7 @@ config SUPERH32 select HAVE_DYNAMIC_FTRACE select HAVE_FUNCTION_TRACE_MCOUNT_TEST select HAVE_FTRACE_NMI_ENTER if DYNAMIC_FTRACE + select ARCH_WANT_IPC_PARSE_VERSION select HAVE_FUNCTION_GRAPH_TRACER select HAVE_ARCH_KGDB select HAVE_HW_BREAKPOINT diff --git a/arch/sh/configs/apsh4ad0a_defconfig b/arch/sh/configs/apsh4ad0a_defconfig index e758348..95ae23f 100644 --- a/arch/sh/configs/apsh4ad0a_defconfig +++ b/arch/sh/configs/apsh4ad0a_defconfig @@ -11,7 +11,7 @@ CONFIG_CGROUP_FREEZER=y CONFIG_CGROUP_DEVICE=y CONFIG_CGROUP_CPUACCT=y CONFIG_RESOURCE_COUNTERS=y -CONFIG_CGROUP_MEM_RES_CTLR=y +CONFIG_CGROUP_MEMCG=y CONFIG_BLK_CGROUP=y CONFIG_NAMESPACES=y CONFIG_BLK_DEV_INITRD=y diff --git a/arch/sh/configs/sdk7786_defconfig b/arch/sh/configs/sdk7786_defconfig index 8a7dd7b..76a76a2 100644 --- a/arch/sh/configs/sdk7786_defconfig +++ b/arch/sh/configs/sdk7786_defconfig @@ -18,8 +18,8 @@ CONFIG_CPUSETS=y # CONFIG_PROC_PID_CPUSET is not set CONFIG_CGROUP_CPUACCT=y CONFIG_RESOURCE_COUNTERS=y -CONFIG_CGROUP_MEM_RES_CTLR=y -CONFIG_CGROUP_MEM_RES_CTLR_SWAP=y +CONFIG_CGROUP_MEMCG=y +CONFIG_CGROUP_MEMCG_SWAP=y CONFIG_CGROUP_SCHED=y CONFIG_RT_GROUP_SCHED=y CONFIG_BLK_CGROUP=y diff --git a/arch/sh/configs/se7206_defconfig b/arch/sh/configs/se7206_defconfig index 72c3fad..6bc30ab 100644 --- a/arch/sh/configs/se7206_defconfig +++ b/arch/sh/configs/se7206_defconfig @@ -11,7 +11,7 @@ CONFIG_CGROUP_DEBUG=y CONFIG_CGROUP_DEVICE=y CONFIG_CGROUP_CPUACCT=y CONFIG_RESOURCE_COUNTERS=y -CONFIG_CGROUP_MEM_RES_CTLR=y +CONFIG_CGROUP_MEMCG=y CONFIG_RELAY=y CONFIG_NAMESPACES=y CONFIG_UTS_NS=y diff --git a/arch/sh/configs/shx3_defconfig b/arch/sh/configs/shx3_defconfig index 6bb4130..cd6c519 100644 --- a/arch/sh/configs/shx3_defconfig +++ b/arch/sh/configs/shx3_defconfig @@ -13,7 +13,7 @@ CONFIG_CGROUP_FREEZER=y CONFIG_CGROUP_DEVICE=y CONFIG_CGROUP_CPUACCT=y CONFIG_RESOURCE_COUNTERS=y -CONFIG_CGROUP_MEM_RES_CTLR=y +CONFIG_CGROUP_MEMCG=y CONFIG_RELAY=y CONFIG_NAMESPACES=y CONFIG_UTS_NS=y diff --git a/arch/sh/configs/urquell_defconfig b/arch/sh/configs/urquell_defconfig index 8bfa4d0..d7f89be 100644 --- a/arch/sh/configs/urquell_defconfig +++ b/arch/sh/configs/urquell_defconfig @@ -15,8 +15,8 @@ CONFIG_CPUSETS=y # CONFIG_PROC_PID_CPUSET is not set CONFIG_CGROUP_CPUACCT=y CONFIG_RESOURCE_COUNTERS=y -CONFIG_CGROUP_MEM_RES_CTLR=y -CONFIG_CGROUP_MEM_RES_CTLR_SWAP=y +CONFIG_CGROUP_MEMCG=y +CONFIG_CGROUP_MEMCG_SWAP=y CONFIG_CGROUP_SCHED=y CONFIG_RT_GROUP_SCHED=y CONFIG_BLK_DEV_INITRD=y diff --git a/arch/sh/include/asm/unistd.h b/arch/sh/include/asm/unistd.h index e800a38..7bc6707 100644 --- a/arch/sh/include/asm/unistd.h +++ b/arch/sh/include/asm/unistd.h @@ -6,7 +6,6 @@ # endif # define __ARCH_WANT_SYS_RT_SIGSUSPEND -# define __ARCH_WANT_IPC_PARSE_VERSION # define __ARCH_WANT_OLD_READDIR # define __ARCH_WANT_OLD_STAT # define __ARCH_WANT_STAT64 diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig index e74ff13..67f1f6f 100644 --- a/arch/sparc/Kconfig +++ b/arch/sparc/Kconfig @@ -27,6 +27,7 @@ config SPARC select HAVE_ARCH_JUMP_LABEL select HAVE_GENERIC_HARDIRQS select GENERIC_IRQ_SHOW + select ARCH_WANT_IPC_PARSE_VERSION select USE_GENERIC_SMP_HELPERS if SMP select GENERIC_PCI_IOMAP select HAVE_NMI_WATCHDOG if SPARC64 diff --git a/arch/sparc/include/asm/unistd.h b/arch/sparc/include/asm/unistd.h index c7cb0af..fb26934 100644 --- a/arch/sparc/include/asm/unistd.h +++ b/arch/sparc/include/asm/unistd.h @@ -423,7 +423,6 @@ #endif #ifdef __KERNEL__ -#define __ARCH_WANT_IPC_PARSE_VERSION #define __ARCH_WANT_OLD_READDIR #define __ARCH_WANT_STAT64 #define __ARCH_WANT_SYS_ALARM diff --git a/arch/sparc/kernel/ldc.c b/arch/sparc/kernel/ldc.c index 435e406..81d92fc 100644 --- a/arch/sparc/kernel/ldc.c +++ b/arch/sparc/kernel/ldc.c @@ -1250,14 +1250,12 @@ int ldc_bind(struct ldc_channel *lp, const char *name) snprintf(lp->rx_irq_name, LDC_IRQ_NAME_MAX, "%s RX", name); snprintf(lp->tx_irq_name, LDC_IRQ_NAME_MAX, "%s TX", name); - err = request_irq(lp->cfg.rx_irq, ldc_rx, - IRQF_SAMPLE_RANDOM | IRQF_DISABLED, + err = request_irq(lp->cfg.rx_irq, ldc_rx, IRQF_DISABLED, lp->rx_irq_name, lp); if (err) return err; - err = request_irq(lp->cfg.tx_irq, ldc_tx, - IRQF_SAMPLE_RANDOM | IRQF_DISABLED, + err = request_irq(lp->cfg.tx_irq, ldc_tx, IRQF_DISABLED, lp->tx_irq_name, lp); if (err) { free_irq(lp->cfg.rx_irq, lp); diff --git a/arch/sparc/kernel/sys_sparc_64.c b/arch/sparc/kernel/sys_sparc_64.c index c38e5aa..0dc1f57 100644 --- a/arch/sparc/kernel/sys_sparc_64.c +++ b/arch/sparc/kernel/sys_sparc_64.c @@ -470,7 +470,7 @@ SYSCALL_DEFINE6(sparc_ipc, unsigned int, call, int, first, unsigned long, second switch (call) { case SHMAT: { ulong raddr; - err = do_shmat(first, ptr, (int)second, &raddr); + err = do_shmat(first, ptr, (int)second, &raddr, SHMLBA); if (!err) { if (put_user(raddr, (ulong __user *) third)) diff --git a/arch/tile/configs/tilegx_defconfig b/arch/tile/configs/tilegx_defconfig index b8d99ac..0270620 100644 --- a/arch/tile/configs/tilegx_defconfig +++ b/arch/tile/configs/tilegx_defconfig @@ -18,8 +18,8 @@ CONFIG_CGROUP_DEVICE=y CONFIG_CPUSETS=y CONFIG_CGROUP_CPUACCT=y CONFIG_RESOURCE_COUNTERS=y -CONFIG_CGROUP_MEM_RES_CTLR=y -CONFIG_CGROUP_MEM_RES_CTLR_SWAP=y +CONFIG_CGROUP_MEMCG=y +CONFIG_CGROUP_MEMCG_SWAP=y CONFIG_CGROUP_SCHED=y CONFIG_RT_GROUP_SCHED=y CONFIG_BLK_CGROUP=y diff --git a/arch/tile/configs/tilepro_defconfig b/arch/tile/configs/tilepro_defconfig index 2b1fd31..c11de27 100644 --- a/arch/tile/configs/tilepro_defconfig +++ b/arch/tile/configs/tilepro_defconfig @@ -17,8 +17,8 @@ CONFIG_CGROUP_DEVICE=y CONFIG_CPUSETS=y CONFIG_CGROUP_CPUACCT=y CONFIG_RESOURCE_COUNTERS=y -CONFIG_CGROUP_MEM_RES_CTLR=y -CONFIG_CGROUP_MEM_RES_CTLR_SWAP=y +CONFIG_CGROUP_MEMCG=y +CONFIG_CGROUP_MEMCG_SWAP=y CONFIG_CGROUP_SCHED=y CONFIG_RT_GROUP_SCHED=y CONFIG_BLK_CGROUP=y diff --git a/arch/tile/include/asm/Kbuild b/arch/tile/include/asm/Kbuild index fb7c65a..5bd7199 100644 --- a/arch/tile/include/asm/Kbuild +++ b/arch/tile/include/asm/Kbuild @@ -16,7 +16,6 @@ generic-y += fb.h generic-y += fcntl.h generic-y += ioctl.h generic-y += ioctls.h -generic-y += ipc.h generic-y += ipcbuf.h generic-y += irq_regs.h generic-y += kdebug.h diff --git a/arch/um/defconfig b/arch/um/defconfig index 7823ab1..08107a7 100644 --- a/arch/um/defconfig +++ b/arch/um/defconfig @@ -155,15 +155,15 @@ CONFIG_CPUSETS=y CONFIG_PROC_PID_CPUSET=y CONFIG_CGROUP_CPUACCT=y CONFIG_RESOURCE_COUNTERS=y -CONFIG_CGROUP_MEM_RES_CTLR=y -CONFIG_CGROUP_MEM_RES_CTLR_SWAP=y -# CONFIG_CGROUP_MEM_RES_CTLR_SWAP_ENABLED is not set -# CONFIG_CGROUP_MEM_RES_CTLR_KMEM is not set +CONFIG_CGROUP_MEMCG=y +CONFIG_CGROUP_MEMCG_SWAP=y +# CONFIG_CGROUP_MEMCG_SWAP_ENABLED is not set +# CONFIG_CGROUP_MEMCG_KMEM is not set CONFIG_CGROUP_SCHED=y CONFIG_FAIR_GROUP_SCHED=y # CONFIG_CFS_BANDWIDTH is not set # CONFIG_RT_GROUP_SCHED is not set -CONFIG_BLK_CGROUP=m +CONFIG_BLK_CGROUP=y # CONFIG_DEBUG_BLK_CGROUP is not set # CONFIG_CHECKPOINT_RESTORE is not set CONFIG_NAMESPACES=y diff --git a/arch/um/drivers/chan_kern.c b/arch/um/drivers/chan_kern.c index 45e248c..87eebfe 100644 --- a/arch/um/drivers/chan_kern.c +++ b/arch/um/drivers/chan_kern.c @@ -150,9 +150,11 @@ void chan_enable_winch(struct chan *chan, struct tty_struct *tty) static void line_timer_cb(struct work_struct *work) { struct line *line = container_of(work, struct line, task.work); + struct tty_struct *tty = tty_port_tty_get(&line->port); if (!line->throttled) - chan_interrupt(line, line->tty, line->driver->read_irq); + chan_interrupt(line, tty, line->driver->read_irq); + tty_kref_put(tty); } int enable_chan(struct line *line) diff --git a/arch/um/drivers/line.c b/arch/um/drivers/line.c index acfd0e0..bbaf2c5 100644 --- a/arch/um/drivers/line.c +++ b/arch/um/drivers/line.c @@ -19,9 +19,11 @@ static irqreturn_t line_interrupt(int irq, void *data) { struct chan *chan = data; struct line *line = chan->line; + struct tty_struct *tty = tty_port_tty_get(&line->port); if (line) - chan_interrupt(line, line->tty, irq); + chan_interrupt(line, tty, irq); + tty_kref_put(tty); return IRQ_HANDLED; } @@ -219,92 +221,6 @@ void line_set_termios(struct tty_struct *tty, struct ktermios * old) /* nothing */ } -static const struct { - int cmd; - char *level; - char *name; -} tty_ioctls[] = { - /* don't print these, they flood the log ... */ - { TCGETS, NULL, "TCGETS" }, - { TCSETS, NULL, "TCSETS" }, - { TCSETSW, NULL, "TCSETSW" }, - { TCFLSH, NULL, "TCFLSH" }, - { TCSBRK, NULL, "TCSBRK" }, - - /* general tty stuff */ - { TCSETSF, KERN_DEBUG, "TCSETSF" }, - { TCGETA, KERN_DEBUG, "TCGETA" }, - { TIOCMGET, KERN_DEBUG, "TIOCMGET" }, - { TCSBRKP, KERN_DEBUG, "TCSBRKP" }, - { TIOCMSET, KERN_DEBUG, "TIOCMSET" }, - - /* linux-specific ones */ - { TIOCLINUX, KERN_INFO, "TIOCLINUX" }, - { KDGKBMODE, KERN_INFO, "KDGKBMODE" }, - { KDGKBTYPE, KERN_INFO, "KDGKBTYPE" }, - { KDSIGACCEPT, KERN_INFO, "KDSIGACCEPT" }, -}; - -int line_ioctl(struct tty_struct *tty, unsigned int cmd, - unsigned long arg) -{ - int ret; - int i; - - ret = 0; - switch(cmd) { -#ifdef TIOCGETP - case TIOCGETP: - case TIOCSETP: - case TIOCSETN: -#endif -#ifdef TIOCGETC - case TIOCGETC: - case TIOCSETC: -#endif -#ifdef TIOCGLTC - case TIOCGLTC: - case TIOCSLTC: -#endif - /* Note: these are out of date as we now have TCGETS2 etc but this - whole lot should probably go away */ - case TCGETS: - case TCSETSF: - case TCSETSW: - case TCSETS: - case TCGETA: - case TCSETAF: - case TCSETAW: - case TCSETA: - case TCXONC: - case TCFLSH: - case TIOCOUTQ: - case TIOCINQ: - case TIOCGLCKTRMIOS: - case TIOCSLCKTRMIOS: - case TIOCPKT: - case TIOCGSOFTCAR: - case TIOCSSOFTCAR: - return -ENOIOCTLCMD; -#if 0 - case TCwhatever: - /* do something */ - break; -#endif - default: - for (i = 0; i < ARRAY_SIZE(tty_ioctls); i++) - if (cmd == tty_ioctls[i].cmd) - break; - if (i == ARRAY_SIZE(tty_ioctls)) { - printk(KERN_ERR "%s: %s: unknown ioctl: 0x%x\n", - __func__, tty->name, cmd); - } - ret = -ENOIOCTLCMD; - break; - } - return ret; -} - void line_throttle(struct tty_struct *tty) { struct line *line = tty->driver_data; @@ -333,7 +249,7 @@ static irqreturn_t line_write_interrupt(int irq, void *data) { struct chan *chan = data; struct line *line = chan->line; - struct tty_struct *tty = line->tty; + struct tty_struct *tty; int err; /* @@ -352,68 +268,42 @@ static irqreturn_t line_write_interrupt(int irq, void *data) } spin_unlock(&line->lock); + tty = tty_port_tty_get(&line->port); if (tty == NULL) return IRQ_NONE; tty_wakeup(tty); + tty_kref_put(tty); + return IRQ_HANDLED; } int line_setup_irq(int fd, int input, int output, struct line *line, void *data) { const struct line_driver *driver = line->driver; - int err = 0, flags = IRQF_SHARED | IRQF_SAMPLE_RANDOM; + int err = 0; if (input) err = um_request_irq(driver->read_irq, fd, IRQ_READ, - line_interrupt, flags, - driver->read_irq_name, data); + line_interrupt, IRQF_SHARED, + driver->read_irq_name, data); if (err) return err; if (output) err = um_request_irq(driver->write_irq, fd, IRQ_WRITE, - line_write_interrupt, flags, - driver->write_irq_name, data); + line_write_interrupt, IRQF_SHARED, + driver->write_irq_name, data); return err; } -/* - * Normally, a driver like this can rely mostly on the tty layer - * locking, particularly when it comes to the driver structure. - * However, in this case, mconsole requests can come in "from the - * side", and race with opens and closes. - * - * mconsole config requests will want to be sure the device isn't in - * use, and get_config, open, and close will want a stable - * configuration. The checking and modification of the configuration - * is done under a spinlock. Checking whether the device is in use is - * line->tty->count > 1, also under the spinlock. - * - * line->count serves to decide whether the device should be enabled or - * disabled on the host. If it's equal to 0, then we are doing the - * first open or last close. Otherwise, open and close just return. - */ - -int line_open(struct line *lines, struct tty_struct *tty) +static int line_activate(struct tty_port *port, struct tty_struct *tty) { - struct line *line = &lines[tty->index]; - int err = -ENODEV; - - mutex_lock(&line->count_lock); - if (!line->valid) - goto out_unlock; - - err = 0; - if (line->count++) - goto out_unlock; - - BUG_ON(tty->driver_data); - tty->driver_data = line; - line->tty = tty; + int ret; + struct line *line = tty->driver_data; - err = enable_chan(line); - if (err) /* line_close() will be called by our caller */ - goto out_unlock; + ret = enable_chan(line); + if (ret) + return ret; if (!line->sigio) { chan_enable_winch(line->chan_out, tty); @@ -421,44 +311,60 @@ int line_open(struct line *lines, struct tty_struct *tty) } chan_window_size(line, &tty->winsize.ws_row, - &tty->winsize.ws_col); -out_unlock: - mutex_unlock(&line->count_lock); - return err; + &tty->winsize.ws_col); + + return 0; } -static void unregister_winch(struct tty_struct *tty); +static const struct tty_port_operations line_port_ops = { + .activate = line_activate, +}; -void line_close(struct tty_struct *tty, struct file * filp) +int line_open(struct tty_struct *tty, struct file *filp) { struct line *line = tty->driver_data; - /* - * If line_open fails (and tty->driver_data is never set), - * tty_open will call line_close. So just return in this case. - */ - if (line == NULL) - return; + return tty_port_open(&line->port, tty, filp); +} - /* We ignore the error anyway! */ - flush_buffer(line); +int line_install(struct tty_driver *driver, struct tty_struct *tty, + struct line *line) +{ + int ret; - mutex_lock(&line->count_lock); - BUG_ON(!line->valid); + ret = tty_standard_install(driver, tty); + if (ret) + return ret; - if (--line->count) - goto out_unlock; + tty->driver_data = line; - line->tty = NULL; - tty->driver_data = NULL; + return 0; +} + +static void unregister_winch(struct tty_struct *tty); + +void line_cleanup(struct tty_struct *tty) +{ + struct line *line = tty->driver_data; if (line->sigio) { unregister_winch(tty); line->sigio = 0; } +} + +void line_close(struct tty_struct *tty, struct file * filp) +{ + struct line *line = tty->driver_data; -out_unlock: - mutex_unlock(&line->count_lock); + tty_port_close(&line->port, tty, filp); +} + +void line_hangup(struct tty_struct *tty) +{ + struct line *line = tty->driver_data; + + tty_port_hangup(&line->port); } void close_lines(struct line *lines, int nlines) @@ -476,9 +382,7 @@ int setup_one_line(struct line *lines, int n, char *init, struct tty_driver *driver = line->driver->driver; int err = -EINVAL; - mutex_lock(&line->count_lock); - - if (line->count) { + if (line->port.count) { *error_out = "Device is already open"; goto out; } @@ -519,7 +423,6 @@ int setup_one_line(struct line *lines, int n, char *init, } } out: - mutex_unlock(&line->count_lock); return err; } @@ -607,13 +510,17 @@ int line_get_config(char *name, struct line *lines, unsigned int num, char *str, line = &lines[dev]; - mutex_lock(&line->count_lock); if (!line->valid) CONFIG_CHUNK(str, size, n, "none", 1); - else if (line->tty == NULL) - CONFIG_CHUNK(str, size, n, line->init_str, 1); - else n = chan_config_string(line, str, size, error_out); - mutex_unlock(&line->count_lock); + else { + struct tty_struct *tty = tty_port_tty_get(&line->port); + if (tty == NULL) { + CONFIG_CHUNK(str, size, n, line->init_str, 1); + } else { + n = chan_config_string(line, str, size, error_out); + tty_kref_put(tty); + } + } return n; } @@ -663,8 +570,9 @@ int register_lines(struct line_driver *line_driver, driver->init_termios = tty_std_termios; for (i = 0; i < nlines; i++) { + tty_port_init(&lines[i].port); + lines[i].port.ops = &line_port_ops; spin_lock_init(&lines[i].lock); - mutex_init(&lines[i].count_lock); lines[i].driver = line_driver; INIT_LIST_HEAD(&lines[i].chan_list); } @@ -779,8 +687,7 @@ void register_winch_irq(int fd, int tty_fd, int pid, struct tty_struct *tty, .stack = stack }); if (um_request_irq(WINCH_IRQ, fd, IRQ_READ, winch_interrupt, - IRQF_SHARED | IRQF_SAMPLE_RANDOM, - "winch", winch) < 0) { + IRQF_SHARED, "winch", winch) < 0) { printk(KERN_ERR "register_winch_irq - failed to register " "IRQ\n"); goto out_free; diff --git a/arch/um/drivers/line.h b/arch/um/drivers/line.h index 0a18347..bae9561 100644 --- a/arch/um/drivers/line.h +++ b/arch/um/drivers/line.h @@ -32,9 +32,7 @@ struct line_driver { }; struct line { - struct tty_struct *tty; - struct mutex count_lock; - unsigned long count; + struct tty_port port; int valid; char *init_str; @@ -59,7 +57,11 @@ struct line { }; extern void line_close(struct tty_struct *tty, struct file * filp); -extern int line_open(struct line *lines, struct tty_struct *tty); +extern int line_open(struct tty_struct *tty, struct file *filp); +extern int line_install(struct tty_driver *driver, struct tty_struct *tty, + struct line *line); +extern void line_cleanup(struct tty_struct *tty); +extern void line_hangup(struct tty_struct *tty); extern int line_setup(char **conf, unsigned nlines, char **def, char *init, char *name); extern int line_write(struct tty_struct *tty, const unsigned char *buf, @@ -70,8 +72,6 @@ extern int line_chars_in_buffer(struct tty_struct *tty); extern void line_flush_buffer(struct tty_struct *tty); extern void line_flush_chars(struct tty_struct *tty); extern int line_write_room(struct tty_struct *tty); -extern int line_ioctl(struct tty_struct *tty, unsigned int cmd, - unsigned long arg); extern void line_throttle(struct tty_struct *tty); extern void line_unthrottle(struct tty_struct *tty); diff --git a/arch/um/drivers/mconsole_kern.c b/arch/um/drivers/mconsole_kern.c index 43b39d6..664a60e 100644 --- a/arch/um/drivers/mconsole_kern.c +++ b/arch/um/drivers/mconsole_kern.c @@ -774,8 +774,7 @@ static int __init mconsole_init(void) register_reboot_notifier(&reboot_notifier); err = um_request_irq(MCONSOLE_IRQ, sock, IRQ_READ, mconsole_interrupt, - IRQF_SHARED | IRQF_SAMPLE_RANDOM, - "mconsole", (void *)sock); + IRQF_SHARED, "mconsole", (void *)sock); if (err) { printk(KERN_ERR "Failed to get IRQ for management console\n"); goto out; diff --git a/arch/um/drivers/port_kern.c b/arch/um/drivers/port_kern.c index 11866ff..1d83d50 100644 --- a/arch/um/drivers/port_kern.c +++ b/arch/um/drivers/port_kern.c @@ -100,8 +100,7 @@ static int port_accept(struct port_list *port) .port = port }); if (um_request_irq(TELNETD_IRQ, socket[0], IRQ_READ, pipe_interrupt, - IRQF_SHARED | IRQF_SAMPLE_RANDOM, - "telnetd", conn)) { + IRQF_SHARED, "telnetd", conn)) { printk(KERN_ERR "port_accept : failed to get IRQ for " "telnetd\n"); goto out_free; @@ -184,8 +183,7 @@ void *port_data(int port_num) } if (um_request_irq(ACCEPT_IRQ, fd, IRQ_READ, port_interrupt, - IRQF_SHARED | IRQF_SAMPLE_RANDOM, - "port", port)) { + IRQF_SHARED, "port", port)) { printk(KERN_ERR "Failed to get IRQ for port %d\n", port_num); goto out_close; } diff --git a/arch/um/drivers/random.c b/arch/um/drivers/random.c index b25296e..e32c6aa 100644 --- a/arch/um/drivers/random.c +++ b/arch/um/drivers/random.c @@ -131,8 +131,7 @@ static int __init rng_init (void) random_fd = err; err = um_request_irq(RANDOM_IRQ, random_fd, IRQ_READ, random_interrupt, - IRQF_SAMPLE_RANDOM, "random", - NULL); + 0, "random", NULL); if (err) goto err_out_cleanup_hw; diff --git a/arch/um/drivers/ssl.c b/arch/um/drivers/ssl.c index e09801a..7e86f00 100644 --- a/arch/um/drivers/ssl.c +++ b/arch/um/drivers/ssl.c @@ -87,40 +87,13 @@ static int ssl_remove(int n, char **error_out) error_out); } -static int ssl_open(struct tty_struct *tty, struct file *filp) -{ - int err = line_open(serial_lines, tty); - - if (err) - printk(KERN_ERR "Failed to open serial line %d, err = %d\n", - tty->index, err); - - return err; -} - -#if 0 -static void ssl_flush_buffer(struct tty_struct *tty) -{ - return; -} - -static void ssl_stop(struct tty_struct *tty) -{ - printk(KERN_ERR "Someone should implement ssl_stop\n"); -} - -static void ssl_start(struct tty_struct *tty) -{ - printk(KERN_ERR "Someone should implement ssl_start\n"); -} - -void ssl_hangup(struct tty_struct *tty) +static int ssl_install(struct tty_driver *driver, struct tty_struct *tty) { + return line_install(driver, tty, &serial_lines[tty->index]); } -#endif static const struct tty_operations ssl_ops = { - .open = ssl_open, + .open = line_open, .close = line_close, .write = line_write, .put_char = line_put_char, @@ -129,14 +102,11 @@ static const struct tty_operations ssl_ops = { .flush_buffer = line_flush_buffer, .flush_chars = line_flush_chars, .set_termios = line_set_termios, - .ioctl = line_ioctl, .throttle = line_throttle, .unthrottle = line_unthrottle, -#if 0 - .stop = ssl_stop, - .start = ssl_start, - .hangup = ssl_hangup, -#endif + .install = ssl_install, + .cleanup = line_cleanup, + .hangup = line_hangup, }; /* Changed by ssl_init and referenced by ssl_exit, which are both serialized diff --git a/arch/um/drivers/stdio_console.c b/arch/um/drivers/stdio_console.c index 7663541..929b99a 100644 --- a/arch/um/drivers/stdio_console.c +++ b/arch/um/drivers/stdio_console.c @@ -89,21 +89,17 @@ static int con_remove(int n, char **error_out) return line_remove(vts, ARRAY_SIZE(vts), n, error_out); } -static int con_open(struct tty_struct *tty, struct file *filp) -{ - int err = line_open(vts, tty); - if (err) - printk(KERN_ERR "Failed to open console %d, err = %d\n", - tty->index, err); - - return err; -} - /* Set in an initcall, checked in an exitcall */ static int con_init_done = 0; +static int con_install(struct tty_driver *driver, struct tty_struct *tty) +{ + return line_install(driver, tty, &vts[tty->index]); +} + static const struct tty_operations console_ops = { - .open = con_open, + .open = line_open, + .install = con_install, .close = line_close, .write = line_write, .put_char = line_put_char, @@ -112,9 +108,10 @@ static const struct tty_operations console_ops = { .flush_buffer = line_flush_buffer, .flush_chars = line_flush_chars, .set_termios = line_set_termios, - .ioctl = line_ioctl, .throttle = line_throttle, .unthrottle = line_unthrottle, + .cleanup = line_cleanup, + .hangup = line_hangup, }; static void uml_console_write(struct console *console, const char *string, diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c index 20505ca..0643e5b 100644 --- a/arch/um/drivers/ubd_kern.c +++ b/arch/um/drivers/ubd_kern.c @@ -514,7 +514,7 @@ static inline int ubd_file_size(struct ubd *ubd_dev, __u64 *size_out) goto out; } - fd = os_open_file(ubd_dev->file, global_openflags, 0); + fd = os_open_file(ubd_dev->file, of_read(OPENFLAGS()), 0); if (fd < 0) return fd; diff --git a/arch/um/drivers/xterm_kern.c b/arch/um/drivers/xterm_kern.c index b68bbe2..e3031e6 100644 --- a/arch/um/drivers/xterm_kern.c +++ b/arch/um/drivers/xterm_kern.c @@ -50,8 +50,7 @@ int xterm_fd(int socket, int *pid_out) init_completion(&data->ready); err = um_request_irq(XTERM_IRQ, socket, IRQ_READ, xterm_interrupt, - IRQF_SHARED | IRQF_SAMPLE_RANDOM, - "xterm", data); + IRQF_SHARED, "xterm", data); if (err) { printk(KERN_ERR "xterm_fd : failed to get IRQ for xterm, " "err = %d\n", err); diff --git a/arch/um/include/asm/ptrace-generic.h b/arch/um/include/asm/ptrace-generic.h index e786a6a..442f1d0 100644 --- a/arch/um/include/asm/ptrace-generic.h +++ b/arch/um/include/asm/ptrace-generic.h @@ -37,6 +37,8 @@ extern int putreg(struct task_struct *child, int regno, unsigned long value); extern int arch_copy_tls(struct task_struct *new); extern void clear_flushed_tls(struct task_struct *task); +extern void syscall_trace_enter(struct pt_regs *regs); +extern void syscall_trace_leave(struct pt_regs *regs); #endif diff --git a/arch/um/include/shared/as-layout.h b/arch/um/include/shared/as-layout.h index 896e166..86daa54 100644 --- a/arch/um/include/shared/as-layout.h +++ b/arch/um/include/shared/as-layout.h @@ -60,7 +60,8 @@ extern unsigned long host_task_size; extern int linux_main(int argc, char **argv); -extern void (*sig_info[])(int, struct uml_pt_regs *); +struct siginfo; +extern void (*sig_info[])(int, struct siginfo *si, struct uml_pt_regs *); #endif diff --git a/arch/um/include/shared/irq_user.h b/arch/um/include/shared/irq_user.h index c6c784df..2b6d703 100644 --- a/arch/um/include/shared/irq_user.h +++ b/arch/um/include/shared/irq_user.h @@ -20,7 +20,8 @@ struct irq_fd { enum { IRQ_READ, IRQ_WRITE }; -extern void sigio_handler(int sig, struct uml_pt_regs *regs); +struct siginfo; +extern void sigio_handler(int sig, struct siginfo *unused_si, struct uml_pt_regs *regs); extern void free_irq_by_fd(int fd); extern void reactivate_fd(int fd, int irqnum); extern void deactivate_fd(int fd, int irqnum); diff --git a/arch/um/include/shared/kern_util.h b/arch/um/include/shared/kern_util.h index 00965d0..af6b6dc 100644 --- a/arch/um/include/shared/kern_util.h +++ b/arch/um/include/shared/kern_util.h @@ -9,6 +9,8 @@ #include "sysdep/ptrace.h" #include "sysdep/faultinfo.h" +struct siginfo; + extern int uml_exitcode; extern int ncpus; @@ -22,7 +24,7 @@ extern void free_stack(unsigned long stack, int order); extern int do_signal(void); extern void interrupt_end(void); -extern void relay_signal(int sig, struct uml_pt_regs *regs); +extern void relay_signal(int sig, struct siginfo *si, struct uml_pt_regs *regs); extern unsigned long segv(struct faultinfo fi, unsigned long ip, int is_user, struct uml_pt_regs *regs); @@ -33,9 +35,8 @@ extern unsigned int do_IRQ(int irq, struct uml_pt_regs *regs); extern int smp_sigio_handler(void); extern void initial_thread_cb(void (*proc)(void *), void *arg); extern int is_syscall(unsigned long addr); -extern void timer_handler(int sig, struct uml_pt_regs *regs); -extern void timer_handler(int sig, struct uml_pt_regs *regs); +extern void timer_handler(int sig, struct siginfo *unused_si, struct uml_pt_regs *regs); extern int start_uml(void); extern void paging_init(void); @@ -59,9 +60,9 @@ extern unsigned long from_irq_stack(int nested); extern void syscall_trace(struct uml_pt_regs *regs, int entryexit); extern int singlestepping(void *t); -extern void segv_handler(int sig, struct uml_pt_regs *regs); -extern void bus_handler(int sig, struct uml_pt_regs *regs); -extern void winch(int sig, struct uml_pt_regs *regs); +extern void segv_handler(int sig, struct siginfo *unused_si, struct uml_pt_regs *regs); +extern void bus_handler(int sig, struct siginfo *si, struct uml_pt_regs *regs); +extern void winch(int sig, struct siginfo *unused_si, struct uml_pt_regs *regs); extern void fatal_sigsegv(void) __attribute__ ((noreturn)); diff --git a/arch/um/kernel/irq.c b/arch/um/kernel/irq.c index 00506c3..9883026 100644 --- a/arch/um/kernel/irq.c +++ b/arch/um/kernel/irq.c @@ -30,7 +30,7 @@ static struct irq_fd **last_irq_ptr = &active_fds; extern void free_irqs(void); -void sigio_handler(int sig, struct uml_pt_regs *regs) +void sigio_handler(int sig, struct siginfo *unused_si, struct uml_pt_regs *regs) { struct irq_fd *irq_fd; int n; diff --git a/arch/um/kernel/process.c b/arch/um/kernel/process.c index ccb9a9d..57fc702 100644 --- a/arch/um/kernel/process.c +++ b/arch/um/kernel/process.c @@ -151,12 +151,10 @@ void new_thread_handler(void) * 0 if it just exits */ n = run_kernel_thread(fn, arg, ¤t->thread.exec_buf); - if (n == 1) { - /* Handle any immediate reschedules or signals */ - interrupt_end(); + if (n == 1) userspace(¤t->thread.regs.regs); - } - else do_exit(0); + else + do_exit(0); } /* Called magically, see new_thread_handler above */ @@ -175,9 +173,6 @@ void fork_handler(void) current->thread.prev_sched = NULL; - /* Handle any immediate reschedules or signals */ - interrupt_end(); - userspace(¤t->thread.regs.regs); } @@ -193,7 +188,7 @@ int copy_thread(unsigned long clone_flags, unsigned long sp, if (current->thread.forking) { memcpy(&p->thread.regs.regs, ®s->regs, sizeof(p->thread.regs.regs)); - UPT_SET_SYSCALL_RETURN(&p->thread.regs.regs, 0); + PT_REGS_SET_SYSCALL_RETURN(&p->thread.regs, 0); if (sp != 0) REGS_SP(p->thread.regs.regs.gp) = sp; diff --git a/arch/um/kernel/ptrace.c b/arch/um/kernel/ptrace.c index 06b1903..694d551 100644 --- a/arch/um/kernel/ptrace.c +++ b/arch/um/kernel/ptrace.c @@ -3,11 +3,12 @@ * Licensed under the GPL */ -#include "linux/audit.h" -#include "linux/ptrace.h" -#include "linux/sched.h" -#include "asm/uaccess.h" -#include "skas_ptrace.h" +#include <linux/audit.h> +#include <linux/ptrace.h> +#include <linux/sched.h> +#include <linux/tracehook.h> +#include <asm/uaccess.h> +#include <skas_ptrace.h> @@ -162,48 +163,36 @@ static void send_sigtrap(struct task_struct *tsk, struct uml_pt_regs *regs, * XXX Check PT_DTRACE vs TIF_SINGLESTEP for singlestepping check and * PT_PTRACED vs TIF_SYSCALL_TRACE for syscall tracing check */ -void syscall_trace(struct uml_pt_regs *regs, int entryexit) +void syscall_trace_enter(struct pt_regs *regs) { - int is_singlestep = (current->ptrace & PT_DTRACE) && entryexit; - int tracesysgood; - - if (!entryexit) - audit_syscall_entry(HOST_AUDIT_ARCH, - UPT_SYSCALL_NR(regs), - UPT_SYSCALL_ARG1(regs), - UPT_SYSCALL_ARG2(regs), - UPT_SYSCALL_ARG3(regs), - UPT_SYSCALL_ARG4(regs)); - else - audit_syscall_exit(regs); - - /* Fake a debug trap */ - if (is_singlestep) - send_sigtrap(current, regs, 0); + audit_syscall_entry(HOST_AUDIT_ARCH, + UPT_SYSCALL_NR(®s->regs), + UPT_SYSCALL_ARG1(®s->regs), + UPT_SYSCALL_ARG2(®s->regs), + UPT_SYSCALL_ARG3(®s->regs), + UPT_SYSCALL_ARG4(®s->regs)); if (!test_thread_flag(TIF_SYSCALL_TRACE)) return; - if (!(current->ptrace & PT_PTRACED)) - return; + tracehook_report_syscall_entry(regs); +} - /* - * the 0x80 provides a way for the tracing parent to distinguish - * between a syscall stop and SIGTRAP delivery - */ - tracesysgood = (current->ptrace & PT_TRACESYSGOOD); - ptrace_notify(SIGTRAP | (tracesysgood ? 0x80 : 0)); +void syscall_trace_leave(struct pt_regs *regs) +{ + int ptraced = current->ptrace; - if (entryexit) /* force do_signal() --> is_syscall() */ - set_thread_flag(TIF_SIGPENDING); + audit_syscall_exit(regs); - /* - * this isn't the same as continuing with a signal, but it will do - * for normal use. strace only continues with a signal if the - * stopping signal is not SIGTRAP. -brl - */ - if (current->exit_code) { - send_sig(current->exit_code, current, 1); - current->exit_code = 0; - } + /* Fake a debug trap */ + if (ptraced & PT_DTRACE) + send_sigtrap(current, ®s->regs, 0); + + if (!test_thread_flag(TIF_SYSCALL_TRACE)) + return; + + tracehook_report_syscall_exit(regs, 0); + /* force do_signal() --> is_syscall() */ + if (ptraced & PT_PTRACED) + set_thread_flag(TIF_SIGPENDING); } diff --git a/arch/um/kernel/sigio.c b/arch/um/kernel/sigio.c index 2a16392..c882111 100644 --- a/arch/um/kernel/sigio.c +++ b/arch/um/kernel/sigio.c @@ -25,8 +25,7 @@ int write_sigio_irq(int fd) int err; err = um_request_irq(SIGIO_WRITE_IRQ, fd, IRQ_READ, sigio_interrupt, - IRQF_SAMPLE_RANDOM, "write sigio", - NULL); + 0, "write sigio", NULL); if (err) { printk(KERN_ERR "write_sigio_irq : um_request_irq failed, " "err = %d\n", err); diff --git a/arch/um/kernel/skas/syscall.c b/arch/um/kernel/skas/syscall.c index 05fbeb4..86368a0 100644 --- a/arch/um/kernel/skas/syscall.c +++ b/arch/um/kernel/skas/syscall.c @@ -18,7 +18,7 @@ void handle_syscall(struct uml_pt_regs *r) long result; int syscall; - syscall_trace(r, 0); + syscall_trace_enter(regs); /* * This should go in the declaration of syscall, but when I do that, @@ -34,7 +34,7 @@ void handle_syscall(struct uml_pt_regs *r) result = -ENOSYS; else result = EXECUTE_SYSCALL(syscall, regs); - UPT_SET_SYSCALL_RETURN(r, result); + PT_REGS_SET_SYSCALL_RETURN(regs, result); - syscall_trace(r, 1); + syscall_trace_leave(regs); } diff --git a/arch/um/kernel/time.c b/arch/um/kernel/time.c index d1a23fb..5f76d4b 100644 --- a/arch/um/kernel/time.c +++ b/arch/um/kernel/time.c @@ -13,7 +13,7 @@ #include "kern_util.h" #include "os.h" -void timer_handler(int sig, struct uml_pt_regs *regs) +void timer_handler(int sig, struct siginfo *unused_si, struct uml_pt_regs *regs) { unsigned long flags; diff --git a/arch/um/kernel/trap.c b/arch/um/kernel/trap.c index 3be6076..0353b98 100644 --- a/arch/um/kernel/trap.c +++ b/arch/um/kernel/trap.c @@ -172,7 +172,7 @@ void fatal_sigsegv(void) os_dump_core(); } -void segv_handler(int sig, struct uml_pt_regs *regs) +void segv_handler(int sig, struct siginfo *unused_si, struct uml_pt_regs *regs) { struct faultinfo * fi = UPT_FAULTINFO(regs); @@ -258,8 +258,11 @@ unsigned long segv(struct faultinfo fi, unsigned long ip, int is_user, return 0; } -void relay_signal(int sig, struct uml_pt_regs *regs) +void relay_signal(int sig, struct siginfo *si, struct uml_pt_regs *regs) { + struct faultinfo *fi; + struct siginfo clean_si; + if (!UPT_IS_USER(regs)) { if (sig == SIGBUS) printk(KERN_ERR "Bus error - the host /dev/shm or /tmp " @@ -269,18 +272,40 @@ void relay_signal(int sig, struct uml_pt_regs *regs) arch_examine_signal(sig, regs); - current->thread.arch.faultinfo = *UPT_FAULTINFO(regs); - force_sig(sig, current); + memset(&clean_si, 0, sizeof(clean_si)); + clean_si.si_signo = si->si_signo; + clean_si.si_errno = si->si_errno; + clean_si.si_code = si->si_code; + switch (sig) { + case SIGILL: + case SIGFPE: + case SIGSEGV: + case SIGBUS: + case SIGTRAP: + fi = UPT_FAULTINFO(regs); + clean_si.si_addr = (void __user *) FAULT_ADDRESS(*fi); + current->thread.arch.faultinfo = *fi; +#ifdef __ARCH_SI_TRAPNO + clean_si.si_trapno = si->si_trapno; +#endif + break; + default: + printk(KERN_ERR "Attempted to relay unknown signal %d (si_code = %d)\n", + sig, si->si_code); + } + + force_sig_info(sig, &clean_si, current); } -void bus_handler(int sig, struct uml_pt_regs *regs) +void bus_handler(int sig, struct siginfo *si, struct uml_pt_regs *regs) { if (current->thread.fault_catcher != NULL) UML_LONGJMP(current->thread.fault_catcher, 1); - else relay_signal(sig, regs); + else + relay_signal(sig, si, regs); } -void winch(int sig, struct uml_pt_regs *regs) +void winch(int sig, struct siginfo *unused_si, struct uml_pt_regs *regs) { do_IRQ(WINCH_IRQ, regs); } diff --git a/arch/um/os-Linux/internal.h b/arch/um/os-Linux/internal.h index 2c3c3ec..0dc2c9f 100644 --- a/arch/um/os-Linux/internal.h +++ b/arch/um/os-Linux/internal.h @@ -1 +1 @@ -void alarm_handler(int, mcontext_t *); +void alarm_handler(int sig, struct siginfo *unused_si, mcontext_t *mc); diff --git a/arch/um/os-Linux/signal.c b/arch/um/os-Linux/signal.c index 2d22f1f..6366ce9 100644 --- a/arch/um/os-Linux/signal.c +++ b/arch/um/os-Linux/signal.c @@ -13,8 +13,9 @@ #include "kern_util.h" #include "os.h" #include "sysdep/mcontext.h" +#include "internal.h" -void (*sig_info[NSIG])(int, struct uml_pt_regs *) = { +void (*sig_info[NSIG])(int, siginfo_t *, struct uml_pt_regs *) = { [SIGTRAP] = relay_signal, [SIGFPE] = relay_signal, [SIGILL] = relay_signal, @@ -24,7 +25,7 @@ void (*sig_info[NSIG])(int, struct uml_pt_regs *) = { [SIGIO] = sigio_handler, [SIGVTALRM] = timer_handler }; -static void sig_handler_common(int sig, mcontext_t *mc) +static void sig_handler_common(int sig, siginfo_t *si, mcontext_t *mc) { struct uml_pt_regs r; int save_errno = errno; @@ -40,7 +41,7 @@ static void sig_handler_common(int sig, mcontext_t *mc) if ((sig != SIGIO) && (sig != SIGWINCH) && (sig != SIGVTALRM)) unblock_signals(); - (*sig_info[sig])(sig, &r); + (*sig_info[sig])(sig, si, &r); errno = save_errno; } @@ -60,7 +61,7 @@ static void sig_handler_common(int sig, mcontext_t *mc) static int signals_enabled; static unsigned int signals_pending; -void sig_handler(int sig, mcontext_t *mc) +void sig_handler(int sig, siginfo_t *si, mcontext_t *mc) { int enabled; @@ -72,7 +73,7 @@ void sig_handler(int sig, mcontext_t *mc) block_signals(); - sig_handler_common(sig, mc); + sig_handler_common(sig, si, mc); set_signals(enabled); } @@ -85,10 +86,10 @@ static void real_alarm_handler(mcontext_t *mc) get_regs_from_mc(®s, mc); regs.is_user = 0; unblock_signals(); - timer_handler(SIGVTALRM, ®s); + timer_handler(SIGVTALRM, NULL, ®s); } -void alarm_handler(int sig, mcontext_t *mc) +void alarm_handler(int sig, struct siginfo *unused_si, mcontext_t *mc) { int enabled; @@ -119,7 +120,7 @@ void set_sigstack(void *sig_stack, int size) panic("enabling signal stack failed, errno = %d\n", errno); } -static void (*handlers[_NSIG])(int sig, mcontext_t *mc) = { +static void (*handlers[_NSIG])(int sig, siginfo_t *si, mcontext_t *mc) = { [SIGSEGV] = sig_handler, [SIGBUS] = sig_handler, [SIGILL] = sig_handler, @@ -132,7 +133,7 @@ static void (*handlers[_NSIG])(int sig, mcontext_t *mc) = { }; -static void hard_handler(int sig, siginfo_t *info, void *p) +static void hard_handler(int sig, siginfo_t *si, void *p) { struct ucontext *uc = p; mcontext_t *mc = &uc->uc_mcontext; @@ -161,7 +162,7 @@ static void hard_handler(int sig, siginfo_t *info, void *p) while ((sig = ffs(pending)) != 0){ sig--; pending &= ~(1 << sig); - (*handlers[sig])(sig, mc); + (*handlers[sig])(sig, si, mc); } /* @@ -273,9 +274,12 @@ void unblock_signals(void) * Deal with SIGIO first because the alarm handler might * schedule, leaving the pending SIGIO stranded until we come * back here. + * + * SIGIO's handler doesn't use siginfo or mcontext, + * so they can be NULL. */ if (save_pending & SIGIO_MASK) - sig_handler_common(SIGIO, NULL); + sig_handler_common(SIGIO, NULL, NULL); if (save_pending & SIGVTALRM_MASK) real_alarm_handler(NULL); diff --git a/arch/um/os-Linux/skas/process.c b/arch/um/os-Linux/skas/process.c index cd65727..d93bb40 100644 --- a/arch/um/os-Linux/skas/process.c +++ b/arch/um/os-Linux/skas/process.c @@ -346,6 +346,10 @@ void userspace(struct uml_pt_regs *regs) int err, status, op, pid = userspace_pid[0]; /* To prevent races if using_sysemu changes under us.*/ int local_using_sysemu; + siginfo_t si; + + /* Handle any immediate reschedules or signals */ + interrupt_end(); if (getitimer(ITIMER_VIRTUAL, &timer)) printk(UM_KERN_ERR "Failed to get itimer, errno = %d\n", errno); @@ -404,13 +408,17 @@ void userspace(struct uml_pt_regs *regs) if (WIFSTOPPED(status)) { int sig = WSTOPSIG(status); + + ptrace(PTRACE_GETSIGINFO, pid, 0, &si); + switch (sig) { case SIGSEGV: if (PTRACE_FULL_FAULTINFO || !ptrace_faultinfo) { get_skas_faultinfo(pid, ®s->faultinfo); - (*sig_info[SIGSEGV])(SIGSEGV, regs); + (*sig_info[SIGSEGV])(SIGSEGV, &si, + regs); } else handle_segv(pid, regs); break; @@ -418,14 +426,14 @@ void userspace(struct uml_pt_regs *regs) handle_trap(pid, regs, local_using_sysemu); break; case SIGTRAP: - relay_signal(SIGTRAP, regs); + relay_signal(SIGTRAP, &si, regs); break; case SIGVTALRM: now = os_nsecs(); if (now < nsecs) break; block_signals(); - (*sig_info[sig])(sig, regs); + (*sig_info[sig])(sig, &si, regs); unblock_signals(); nsecs = timer.it_value.tv_sec * UM_NSEC_PER_SEC + @@ -439,7 +447,7 @@ void userspace(struct uml_pt_regs *regs) case SIGFPE: case SIGWINCH: block_signals(); - (*sig_info[sig])(sig, regs); + (*sig_info[sig])(sig, &si, regs); unblock_signals(); break; default: diff --git a/arch/um/os-Linux/time.c b/arch/um/os-Linux/time.c index 910499d..f602385 100644 --- a/arch/um/os-Linux/time.c +++ b/arch/um/os-Linux/time.c @@ -87,7 +87,7 @@ static int after_sleep_interval(struct timespec *ts) static void deliver_alarm(void) { - alarm_handler(SIGVTALRM, NULL); + alarm_handler(SIGVTALRM, NULL, NULL); } static unsigned long long sleep_time(unsigned long long nsecs) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index c70684f..ba2657c 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -70,6 +70,7 @@ config X86 select HAVE_ARCH_JUMP_LABEL select HAVE_TEXT_POKE_SMP select HAVE_GENERIC_HARDIRQS + select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE select SPARSE_IRQ select GENERIC_FIND_FIRST_BIT select GENERIC_IRQ_PROBE @@ -84,6 +85,7 @@ config X86 select GENERIC_IOMAP select DCACHE_WORD_ACCESS select GENERIC_SMP_IDLE_THREAD + select ARCH_WANT_IPC_PARSE_VERSION if X86_32 select HAVE_ARCH_SECCOMP_FILTER select BUILDTIME_EXTABLE_SORT select GENERIC_CMOS_UPDATE diff --git a/arch/x86/include/asm/perf_event.h b/arch/x86/include/asm/perf_event.h index c78f14a..dab3935 100644 --- a/arch/x86/include/asm/perf_event.h +++ b/arch/x86/include/asm/perf_event.h @@ -234,7 +234,7 @@ extern struct perf_guest_switch_msr *perf_guest_get_msrs(int *nr); extern void perf_get_x86_pmu_capability(struct x86_pmu_capability *cap); extern void perf_check_microcode(void); #else -static inline perf_guest_switch_msr *perf_guest_get_msrs(int *nr) +static inline struct perf_guest_switch_msr *perf_guest_get_msrs(int *nr) { *nr = 0; return NULL; diff --git a/arch/x86/include/asm/unistd.h b/arch/x86/include/asm/unistd.h index 4437001..0d9776e 100644 --- a/arch/x86/include/asm/unistd.h +++ b/arch/x86/include/asm/unistd.h @@ -15,7 +15,6 @@ # ifdef CONFIG_X86_32 # include <asm/unistd_32.h> -# define __ARCH_WANT_IPC_PARSE_VERSION # define __ARCH_WANT_STAT64 # define __ARCH_WANT_SYS_IPC # define __ARCH_WANT_SYS_OLD_MMAP diff --git a/arch/x86/kernel/cpu/perf_event.h b/arch/x86/kernel/cpu/perf_event.h index a15df4b..821d53b 100644 --- a/arch/x86/kernel/cpu/perf_event.h +++ b/arch/x86/kernel/cpu/perf_event.h @@ -374,7 +374,7 @@ struct x86_pmu { /* * Intel DebugStore bits */ - int bts :1, + unsigned int bts :1, bts_active :1, pebs :1, pebs_active :1, diff --git a/arch/x86/kernel/cpu/perf_event_intel.c b/arch/x86/kernel/cpu/perf_event_intel.c index 7a8b9d0..3823669 100644 --- a/arch/x86/kernel/cpu/perf_event_intel.c +++ b/arch/x86/kernel/cpu/perf_event_intel.c @@ -138,6 +138,84 @@ static u64 intel_pmu_event_map(int hw_event) return intel_perfmon_event_map[hw_event]; } +#define SNB_DMND_DATA_RD (1ULL << 0) +#define SNB_DMND_RFO (1ULL << 1) +#define SNB_DMND_IFETCH (1ULL << 2) +#define SNB_DMND_WB (1ULL << 3) +#define SNB_PF_DATA_RD (1ULL << 4) +#define SNB_PF_RFO (1ULL << 5) +#define SNB_PF_IFETCH (1ULL << 6) +#define SNB_LLC_DATA_RD (1ULL << 7) +#define SNB_LLC_RFO (1ULL << 8) +#define SNB_LLC_IFETCH (1ULL << 9) +#define SNB_BUS_LOCKS (1ULL << 10) +#define SNB_STRM_ST (1ULL << 11) +#define SNB_OTHER (1ULL << 15) +#define SNB_RESP_ANY (1ULL << 16) +#define SNB_NO_SUPP (1ULL << 17) +#define SNB_LLC_HITM (1ULL << 18) +#define SNB_LLC_HITE (1ULL << 19) +#define SNB_LLC_HITS (1ULL << 20) +#define SNB_LLC_HITF (1ULL << 21) +#define SNB_LOCAL (1ULL << 22) +#define SNB_REMOTE (0xffULL << 23) +#define SNB_SNP_NONE (1ULL << 31) +#define SNB_SNP_NOT_NEEDED (1ULL << 32) +#define SNB_SNP_MISS (1ULL << 33) +#define SNB_NO_FWD (1ULL << 34) +#define SNB_SNP_FWD (1ULL << 35) +#define SNB_HITM (1ULL << 36) +#define SNB_NON_DRAM (1ULL << 37) + +#define SNB_DMND_READ (SNB_DMND_DATA_RD|SNB_LLC_DATA_RD) +#define SNB_DMND_WRITE (SNB_DMND_RFO|SNB_LLC_RFO) +#define SNB_DMND_PREFETCH (SNB_PF_DATA_RD|SNB_PF_RFO) + +#define SNB_SNP_ANY (SNB_SNP_NONE|SNB_SNP_NOT_NEEDED| \ + SNB_SNP_MISS|SNB_NO_FWD|SNB_SNP_FWD| \ + SNB_HITM) + +#define SNB_DRAM_ANY (SNB_LOCAL|SNB_REMOTE|SNB_SNP_ANY) +#define SNB_DRAM_REMOTE (SNB_REMOTE|SNB_SNP_ANY) + +#define SNB_L3_ACCESS SNB_RESP_ANY +#define SNB_L3_MISS (SNB_DRAM_ANY|SNB_NON_DRAM) + +static __initconst const u64 snb_hw_cache_extra_regs + [PERF_COUNT_HW_CACHE_MAX] + [PERF_COUNT_HW_CACHE_OP_MAX] + [PERF_COUNT_HW_CACHE_RESULT_MAX] = +{ + [ C(LL ) ] = { + [ C(OP_READ) ] = { + [ C(RESULT_ACCESS) ] = SNB_DMND_READ|SNB_L3_ACCESS, + [ C(RESULT_MISS) ] = SNB_DMND_READ|SNB_L3_MISS, + }, + [ C(OP_WRITE) ] = { + [ C(RESULT_ACCESS) ] = SNB_DMND_WRITE|SNB_L3_ACCESS, + [ C(RESULT_MISS) ] = SNB_DMND_WRITE|SNB_L3_MISS, + }, + [ C(OP_PREFETCH) ] = { + [ C(RESULT_ACCESS) ] = SNB_DMND_PREFETCH|SNB_L3_ACCESS, + [ C(RESULT_MISS) ] = SNB_DMND_PREFETCH|SNB_L3_MISS, + }, + }, + [ C(NODE) ] = { + [ C(OP_READ) ] = { + [ C(RESULT_ACCESS) ] = SNB_DMND_READ|SNB_DRAM_ANY, + [ C(RESULT_MISS) ] = SNB_DMND_READ|SNB_DRAM_REMOTE, + }, + [ C(OP_WRITE) ] = { + [ C(RESULT_ACCESS) ] = SNB_DMND_WRITE|SNB_DRAM_ANY, + [ C(RESULT_MISS) ] = SNB_DMND_WRITE|SNB_DRAM_REMOTE, + }, + [ C(OP_PREFETCH) ] = { + [ C(RESULT_ACCESS) ] = SNB_DMND_PREFETCH|SNB_DRAM_ANY, + [ C(RESULT_MISS) ] = SNB_DMND_PREFETCH|SNB_DRAM_REMOTE, + }, + }, +}; + static __initconst const u64 snb_hw_cache_event_ids [PERF_COUNT_HW_CACHE_MAX] [PERF_COUNT_HW_CACHE_OP_MAX] @@ -235,16 +313,16 @@ static __initconst const u64 snb_hw_cache_event_ids }, [ C(NODE) ] = { [ C(OP_READ) ] = { - [ C(RESULT_ACCESS) ] = -1, - [ C(RESULT_MISS) ] = -1, + [ C(RESULT_ACCESS) ] = 0x01b7, + [ C(RESULT_MISS) ] = 0x01b7, }, [ C(OP_WRITE) ] = { - [ C(RESULT_ACCESS) ] = -1, - [ C(RESULT_MISS) ] = -1, + [ C(RESULT_ACCESS) ] = 0x01b7, + [ C(RESULT_MISS) ] = 0x01b7, }, [ C(OP_PREFETCH) ] = { - [ C(RESULT_ACCESS) ] = -1, - [ C(RESULT_MISS) ] = -1, + [ C(RESULT_ACCESS) ] = 0x01b7, + [ C(RESULT_MISS) ] = 0x01b7, }, }, @@ -1964,6 +2042,8 @@ __init int intel_pmu_init(void) case 58: /* IvyBridge */ memcpy(hw_cache_event_ids, snb_hw_cache_event_ids, sizeof(hw_cache_event_ids)); + memcpy(hw_cache_extra_regs, snb_hw_cache_extra_regs, + sizeof(hw_cache_extra_regs)); intel_pmu_lbr_init_snb(); diff --git a/arch/x86/kernel/cpu/perf_event_intel_uncore.c b/arch/x86/kernel/cpu/perf_event_intel_uncore.c index 19faffc..7563fda 100644 --- a/arch/x86/kernel/cpu/perf_event_intel_uncore.c +++ b/arch/x86/kernel/cpu/perf_event_intel_uncore.c @@ -18,6 +18,7 @@ static struct event_constraint constraint_empty = EVENT_CONSTRAINT(0, 0, 0); DEFINE_UNCORE_FORMAT_ATTR(event, event, "config:0-7"); +DEFINE_UNCORE_FORMAT_ATTR(event_ext, event, "config:0-7,21"); DEFINE_UNCORE_FORMAT_ATTR(umask, umask, "config:8-15"); DEFINE_UNCORE_FORMAT_ATTR(edge, edge, "config:18"); DEFINE_UNCORE_FORMAT_ATTR(tid_en, tid_en, "config:19"); @@ -33,10 +34,81 @@ DEFINE_UNCORE_FORMAT_ATTR(filter_tid, filter_tid, "config1:0-4"); DEFINE_UNCORE_FORMAT_ATTR(filter_nid, filter_nid, "config1:10-17"); DEFINE_UNCORE_FORMAT_ATTR(filter_state, filter_state, "config1:18-22"); DEFINE_UNCORE_FORMAT_ATTR(filter_opc, filter_opc, "config1:23-31"); -DEFINE_UNCORE_FORMAT_ATTR(filter_brand0, filter_brand0, "config1:0-7"); -DEFINE_UNCORE_FORMAT_ATTR(filter_brand1, filter_brand1, "config1:8-15"); -DEFINE_UNCORE_FORMAT_ATTR(filter_brand2, filter_brand2, "config1:16-23"); -DEFINE_UNCORE_FORMAT_ATTR(filter_brand3, filter_brand3, "config1:24-31"); +DEFINE_UNCORE_FORMAT_ATTR(filter_band0, filter_band0, "config1:0-7"); +DEFINE_UNCORE_FORMAT_ATTR(filter_band1, filter_band1, "config1:8-15"); +DEFINE_UNCORE_FORMAT_ATTR(filter_band2, filter_band2, "config1:16-23"); +DEFINE_UNCORE_FORMAT_ATTR(filter_band3, filter_band3, "config1:24-31"); + +static u64 uncore_msr_read_counter(struct intel_uncore_box *box, struct perf_event *event) +{ + u64 count; + + rdmsrl(event->hw.event_base, count); + + return count; +} + +/* + * generic get constraint function for shared match/mask registers. + */ +static struct event_constraint * +uncore_get_constraint(struct intel_uncore_box *box, struct perf_event *event) +{ + struct intel_uncore_extra_reg *er; + struct hw_perf_event_extra *reg1 = &event->hw.extra_reg; + struct hw_perf_event_extra *reg2 = &event->hw.branch_reg; + unsigned long flags; + bool ok = false; + + /* + * reg->alloc can be set due to existing state, so for fake box we + * need to ignore this, otherwise we might fail to allocate proper + * fake state for this extra reg constraint. + */ + if (reg1->idx == EXTRA_REG_NONE || + (!uncore_box_is_fake(box) && reg1->alloc)) + return NULL; + + er = &box->shared_regs[reg1->idx]; + raw_spin_lock_irqsave(&er->lock, flags); + if (!atomic_read(&er->ref) || + (er->config1 == reg1->config && er->config2 == reg2->config)) { + atomic_inc(&er->ref); + er->config1 = reg1->config; + er->config2 = reg2->config; + ok = true; + } + raw_spin_unlock_irqrestore(&er->lock, flags); + + if (ok) { + if (!uncore_box_is_fake(box)) + reg1->alloc = 1; + return NULL; + } + + return &constraint_empty; +} + +static void uncore_put_constraint(struct intel_uncore_box *box, struct perf_event *event) +{ + struct intel_uncore_extra_reg *er; + struct hw_perf_event_extra *reg1 = &event->hw.extra_reg; + + /* + * Only put constraint if extra reg was actually allocated. Also + * takes care of event which do not use an extra shared reg. + * + * Also, if this is a fake box we shouldn't touch any event state + * (reg->alloc) and we don't care about leaving inconsistent box + * state either since it will be thrown out. + */ + if (uncore_box_is_fake(box) || !reg1->alloc) + return; + + er = &box->shared_regs[reg1->idx]; + atomic_dec(&er->ref); + reg1->alloc = 0; +} /* Sandy Bridge-EP uncore support */ static struct intel_uncore_type snbep_uncore_cbox; @@ -64,18 +136,15 @@ static void snbep_uncore_pci_enable_box(struct intel_uncore_box *box) pci_write_config_dword(pdev, box_ctl, config); } -static void snbep_uncore_pci_enable_event(struct intel_uncore_box *box, - struct perf_event *event) +static void snbep_uncore_pci_enable_event(struct intel_uncore_box *box, struct perf_event *event) { struct pci_dev *pdev = box->pci_dev; struct hw_perf_event *hwc = &event->hw; - pci_write_config_dword(pdev, hwc->config_base, hwc->config | - SNBEP_PMON_CTL_EN); + pci_write_config_dword(pdev, hwc->config_base, hwc->config | SNBEP_PMON_CTL_EN); } -static void snbep_uncore_pci_disable_event(struct intel_uncore_box *box, - struct perf_event *event) +static void snbep_uncore_pci_disable_event(struct intel_uncore_box *box, struct perf_event *event) { struct pci_dev *pdev = box->pci_dev; struct hw_perf_event *hwc = &event->hw; @@ -83,8 +152,7 @@ static void snbep_uncore_pci_disable_event(struct intel_uncore_box *box, pci_write_config_dword(pdev, hwc->config_base, hwc->config); } -static u64 snbep_uncore_pci_read_counter(struct intel_uncore_box *box, - struct perf_event *event) +static u64 snbep_uncore_pci_read_counter(struct intel_uncore_box *box, struct perf_event *event) { struct pci_dev *pdev = box->pci_dev; struct hw_perf_event *hwc = &event->hw; @@ -92,14 +160,15 @@ static u64 snbep_uncore_pci_read_counter(struct intel_uncore_box *box, pci_read_config_dword(pdev, hwc->event_base, (u32 *)&count); pci_read_config_dword(pdev, hwc->event_base + 4, (u32 *)&count + 1); + return count; } static void snbep_uncore_pci_init_box(struct intel_uncore_box *box) { struct pci_dev *pdev = box->pci_dev; - pci_write_config_dword(pdev, SNBEP_PCI_PMON_BOX_CTL, - SNBEP_PMON_BOX_CTL_INT); + + pci_write_config_dword(pdev, SNBEP_PCI_PMON_BOX_CTL, SNBEP_PMON_BOX_CTL_INT); } static void snbep_uncore_msr_disable_box(struct intel_uncore_box *box) @@ -112,7 +181,6 @@ static void snbep_uncore_msr_disable_box(struct intel_uncore_box *box) rdmsrl(msr, config); config |= SNBEP_PMON_BOX_CTL_FRZ; wrmsrl(msr, config); - return; } } @@ -126,12 +194,10 @@ static void snbep_uncore_msr_enable_box(struct intel_uncore_box *box) rdmsrl(msr, config); config &= ~SNBEP_PMON_BOX_CTL_FRZ; wrmsrl(msr, config); - return; } } -static void snbep_uncore_msr_enable_event(struct intel_uncore_box *box, - struct perf_event *event) +static void snbep_uncore_msr_enable_event(struct intel_uncore_box *box, struct perf_event *event) { struct hw_perf_event *hwc = &event->hw; struct hw_perf_event_extra *reg1 = &hwc->extra_reg; @@ -150,68 +216,15 @@ static void snbep_uncore_msr_disable_event(struct intel_uncore_box *box, wrmsrl(hwc->config_base, hwc->config); } -static u64 snbep_uncore_msr_read_counter(struct intel_uncore_box *box, - struct perf_event *event) -{ - struct hw_perf_event *hwc = &event->hw; - u64 count; - - rdmsrl(hwc->event_base, count); - return count; -} - static void snbep_uncore_msr_init_box(struct intel_uncore_box *box) { unsigned msr = uncore_msr_box_ctl(box); + if (msr) wrmsrl(msr, SNBEP_PMON_BOX_CTL_INT); } -static struct event_constraint * -snbep_uncore_get_constraint(struct intel_uncore_box *box, - struct perf_event *event) -{ - struct intel_uncore_extra_reg *er; - struct hw_perf_event_extra *reg1 = &event->hw.extra_reg; - unsigned long flags; - bool ok = false; - - if (reg1->idx == EXTRA_REG_NONE || (box->phys_id >= 0 && reg1->alloc)) - return NULL; - - er = &box->shared_regs[reg1->idx]; - raw_spin_lock_irqsave(&er->lock, flags); - if (!atomic_read(&er->ref) || er->config1 == reg1->config) { - atomic_inc(&er->ref); - er->config1 = reg1->config; - ok = true; - } - raw_spin_unlock_irqrestore(&er->lock, flags); - - if (ok) { - if (box->phys_id >= 0) - reg1->alloc = 1; - return NULL; - } - return &constraint_empty; -} - -static void snbep_uncore_put_constraint(struct intel_uncore_box *box, - struct perf_event *event) -{ - struct intel_uncore_extra_reg *er; - struct hw_perf_event_extra *reg1 = &event->hw.extra_reg; - - if (box->phys_id < 0 || !reg1->alloc) - return; - - er = &box->shared_regs[reg1->idx]; - atomic_dec(&er->ref); - reg1->alloc = 0; -} - -static int snbep_uncore_hw_config(struct intel_uncore_box *box, - struct perf_event *event) +static int snbep_uncore_hw_config(struct intel_uncore_box *box, struct perf_event *event) { struct hw_perf_event *hwc = &event->hw; struct hw_perf_event_extra *reg1 = &hwc->extra_reg; @@ -221,14 +234,16 @@ static int snbep_uncore_hw_config(struct intel_uncore_box *box, SNBEP_CBO_MSR_OFFSET * box->pmu->pmu_idx; reg1->config = event->attr.config1 & SNBEP_CB0_MSR_PMON_BOX_FILTER_MASK; - } else if (box->pmu->type == &snbep_uncore_pcu) { - reg1->reg = SNBEP_PCU_MSR_PMON_BOX_FILTER; - reg1->config = event->attr.config1 & - SNBEP_PCU_MSR_PMON_BOX_FILTER_MASK; } else { - return 0; + if (box->pmu->type == &snbep_uncore_pcu) { + reg1->reg = SNBEP_PCU_MSR_PMON_BOX_FILTER; + reg1->config = event->attr.config1 & SNBEP_PCU_MSR_PMON_BOX_FILTER_MASK; + } else { + return 0; + } } reg1->idx = 0; + return 0; } @@ -272,10 +287,19 @@ static struct attribute *snbep_uncore_pcu_formats_attr[] = { &format_attr_thresh5.attr, &format_attr_occ_invert.attr, &format_attr_occ_edge.attr, - &format_attr_filter_brand0.attr, - &format_attr_filter_brand1.attr, - &format_attr_filter_brand2.attr, - &format_attr_filter_brand3.attr, + &format_attr_filter_band0.attr, + &format_attr_filter_band1.attr, + &format_attr_filter_band2.attr, + &format_attr_filter_band3.attr, + NULL, +}; + +static struct attribute *snbep_uncore_qpi_formats_attr[] = { + &format_attr_event_ext.attr, + &format_attr_umask.attr, + &format_attr_edge.attr, + &format_attr_inv.attr, + &format_attr_thresh8.attr, NULL, }; @@ -314,15 +338,20 @@ static struct attribute_group snbep_uncore_pcu_format_group = { .attrs = snbep_uncore_pcu_formats_attr, }; +static struct attribute_group snbep_uncore_qpi_format_group = { + .name = "format", + .attrs = snbep_uncore_qpi_formats_attr, +}; + static struct intel_uncore_ops snbep_uncore_msr_ops = { .init_box = snbep_uncore_msr_init_box, .disable_box = snbep_uncore_msr_disable_box, .enable_box = snbep_uncore_msr_enable_box, .disable_event = snbep_uncore_msr_disable_event, .enable_event = snbep_uncore_msr_enable_event, - .read_counter = snbep_uncore_msr_read_counter, - .get_constraint = snbep_uncore_get_constraint, - .put_constraint = snbep_uncore_put_constraint, + .read_counter = uncore_msr_read_counter, + .get_constraint = uncore_get_constraint, + .put_constraint = uncore_put_constraint, .hw_config = snbep_uncore_hw_config, }; @@ -485,8 +514,13 @@ static struct intel_uncore_type snbep_uncore_qpi = { .num_counters = 4, .num_boxes = 2, .perf_ctr_bits = 48, + .perf_ctr = SNBEP_PCI_PMON_CTR0, + .event_ctl = SNBEP_PCI_PMON_CTL0, + .event_mask = SNBEP_QPI_PCI_PMON_RAW_EVENT_MASK, + .box_ctl = SNBEP_PCI_PMON_BOX_CTL, + .ops = &snbep_uncore_pci_ops, .event_descs = snbep_uncore_qpi_events, - SNBEP_UNCORE_PCI_COMMON_INIT(), + .format_group = &snbep_uncore_qpi_format_group, }; @@ -603,10 +637,8 @@ static void snbep_pci2phy_map_init(void) } /* end of Sandy Bridge-EP uncore support */ - /* Sandy Bridge uncore support */ -static void snb_uncore_msr_enable_event(struct intel_uncore_box *box, - struct perf_event *event) +static void snb_uncore_msr_enable_event(struct intel_uncore_box *box, struct perf_event *event) { struct hw_perf_event *hwc = &event->hw; @@ -616,20 +648,11 @@ static void snb_uncore_msr_enable_event(struct intel_uncore_box *box, wrmsrl(hwc->config_base, SNB_UNC_CTL_EN); } -static void snb_uncore_msr_disable_event(struct intel_uncore_box *box, - struct perf_event *event) +static void snb_uncore_msr_disable_event(struct intel_uncore_box *box, struct perf_event *event) { wrmsrl(event->hw.config_base, 0); } -static u64 snb_uncore_msr_read_counter(struct intel_uncore_box *box, - struct perf_event *event) -{ - u64 count; - rdmsrl(event->hw.event_base, count); - return count; -} - static void snb_uncore_msr_init_box(struct intel_uncore_box *box) { if (box->pmu->pmu_idx == 0) { @@ -648,15 +671,15 @@ static struct attribute *snb_uncore_formats_attr[] = { }; static struct attribute_group snb_uncore_format_group = { - .name = "format", - .attrs = snb_uncore_formats_attr, + .name = "format", + .attrs = snb_uncore_formats_attr, }; static struct intel_uncore_ops snb_uncore_msr_ops = { .init_box = snb_uncore_msr_init_box, .disable_event = snb_uncore_msr_disable_event, .enable_event = snb_uncore_msr_enable_event, - .read_counter = snb_uncore_msr_read_counter, + .read_counter = uncore_msr_read_counter, }; static struct event_constraint snb_uncore_cbox_constraints[] = { @@ -697,12 +720,10 @@ static void nhm_uncore_msr_disable_box(struct intel_uncore_box *box) static void nhm_uncore_msr_enable_box(struct intel_uncore_box *box) { - wrmsrl(NHM_UNC_PERF_GLOBAL_CTL, - NHM_UNC_GLOBAL_CTL_EN_PC_ALL | NHM_UNC_GLOBAL_CTL_EN_FC); + wrmsrl(NHM_UNC_PERF_GLOBAL_CTL, NHM_UNC_GLOBAL_CTL_EN_PC_ALL | NHM_UNC_GLOBAL_CTL_EN_FC); } -static void nhm_uncore_msr_enable_event(struct intel_uncore_box *box, - struct perf_event *event) +static void nhm_uncore_msr_enable_event(struct intel_uncore_box *box, struct perf_event *event) { struct hw_perf_event *hwc = &event->hw; @@ -744,7 +765,7 @@ static struct intel_uncore_ops nhm_uncore_msr_ops = { .enable_box = nhm_uncore_msr_enable_box, .disable_event = snb_uncore_msr_disable_event, .enable_event = nhm_uncore_msr_enable_event, - .read_counter = snb_uncore_msr_read_counter, + .read_counter = uncore_msr_read_counter, }; static struct intel_uncore_type nhm_uncore = { @@ -769,8 +790,1041 @@ static struct intel_uncore_type *nhm_msr_uncores[] = { }; /* end of Nehalem uncore support */ -static void uncore_assign_hw_event(struct intel_uncore_box *box, - struct perf_event *event, int idx) +/* Nehalem-EX uncore support */ +#define __BITS_VALUE(x, i, n) ((typeof(x))(((x) >> ((i) * (n))) & \ + ((1ULL << (n)) - 1))) + +DEFINE_UNCORE_FORMAT_ATTR(event5, event, "config:1-5"); +DEFINE_UNCORE_FORMAT_ATTR(counter, counter, "config:6-7"); +DEFINE_UNCORE_FORMAT_ATTR(mm_cfg, mm_cfg, "config:63"); +DEFINE_UNCORE_FORMAT_ATTR(match, match, "config1:0-63"); +DEFINE_UNCORE_FORMAT_ATTR(mask, mask, "config2:0-63"); + +static void nhmex_uncore_msr_init_box(struct intel_uncore_box *box) +{ + wrmsrl(NHMEX_U_MSR_PMON_GLOBAL_CTL, NHMEX_U_PMON_GLOBAL_EN_ALL); +} + +static void nhmex_uncore_msr_disable_box(struct intel_uncore_box *box) +{ + unsigned msr = uncore_msr_box_ctl(box); + u64 config; + + if (msr) { + rdmsrl(msr, config); + config &= ~((1ULL << uncore_num_counters(box)) - 1); + /* WBox has a fixed counter */ + if (uncore_msr_fixed_ctl(box)) + config &= ~NHMEX_W_PMON_GLOBAL_FIXED_EN; + wrmsrl(msr, config); + } +} + +static void nhmex_uncore_msr_enable_box(struct intel_uncore_box *box) +{ + unsigned msr = uncore_msr_box_ctl(box); + u64 config; + + if (msr) { + rdmsrl(msr, config); + config |= (1ULL << uncore_num_counters(box)) - 1; + /* WBox has a fixed counter */ + if (uncore_msr_fixed_ctl(box)) + config |= NHMEX_W_PMON_GLOBAL_FIXED_EN; + wrmsrl(msr, config); + } +} + +static void nhmex_uncore_msr_disable_event(struct intel_uncore_box *box, struct perf_event *event) +{ + wrmsrl(event->hw.config_base, 0); +} + +static void nhmex_uncore_msr_enable_event(struct intel_uncore_box *box, struct perf_event *event) +{ + struct hw_perf_event *hwc = &event->hw; + + if (hwc->idx >= UNCORE_PMC_IDX_FIXED) + wrmsrl(hwc->config_base, NHMEX_PMON_CTL_EN_BIT0); + else if (box->pmu->type->event_mask & NHMEX_PMON_CTL_EN_BIT0) + wrmsrl(hwc->config_base, hwc->config | NHMEX_PMON_CTL_EN_BIT22); + else + wrmsrl(hwc->config_base, hwc->config | NHMEX_PMON_CTL_EN_BIT0); +} + +#define NHMEX_UNCORE_OPS_COMMON_INIT() \ + .init_box = nhmex_uncore_msr_init_box, \ + .disable_box = nhmex_uncore_msr_disable_box, \ + .enable_box = nhmex_uncore_msr_enable_box, \ + .disable_event = nhmex_uncore_msr_disable_event, \ + .read_counter = uncore_msr_read_counter + +static struct intel_uncore_ops nhmex_uncore_ops = { + NHMEX_UNCORE_OPS_COMMON_INIT(), + .enable_event = nhmex_uncore_msr_enable_event, +}; + +static struct attribute *nhmex_uncore_ubox_formats_attr[] = { + &format_attr_event.attr, + &format_attr_edge.attr, + NULL, +}; + +static struct attribute_group nhmex_uncore_ubox_format_group = { + .name = "format", + .attrs = nhmex_uncore_ubox_formats_attr, +}; + +static struct intel_uncore_type nhmex_uncore_ubox = { + .name = "ubox", + .num_counters = 1, + .num_boxes = 1, + .perf_ctr_bits = 48, + .event_ctl = NHMEX_U_MSR_PMON_EV_SEL, + .perf_ctr = NHMEX_U_MSR_PMON_CTR, + .event_mask = NHMEX_U_PMON_RAW_EVENT_MASK, + .box_ctl = NHMEX_U_MSR_PMON_GLOBAL_CTL, + .ops = &nhmex_uncore_ops, + .format_group = &nhmex_uncore_ubox_format_group +}; + +static struct attribute *nhmex_uncore_cbox_formats_attr[] = { + &format_attr_event.attr, + &format_attr_umask.attr, + &format_attr_edge.attr, + &format_attr_inv.attr, + &format_attr_thresh8.attr, + NULL, +}; + +static struct attribute_group nhmex_uncore_cbox_format_group = { + .name = "format", + .attrs = nhmex_uncore_cbox_formats_attr, +}; + +static struct intel_uncore_type nhmex_uncore_cbox = { + .name = "cbox", + .num_counters = 6, + .num_boxes = 8, + .perf_ctr_bits = 48, + .event_ctl = NHMEX_C0_MSR_PMON_EV_SEL0, + .perf_ctr = NHMEX_C0_MSR_PMON_CTR0, + .event_mask = NHMEX_PMON_RAW_EVENT_MASK, + .box_ctl = NHMEX_C0_MSR_PMON_GLOBAL_CTL, + .msr_offset = NHMEX_C_MSR_OFFSET, + .pair_ctr_ctl = 1, + .ops = &nhmex_uncore_ops, + .format_group = &nhmex_uncore_cbox_format_group +}; + +static struct uncore_event_desc nhmex_uncore_wbox_events[] = { + INTEL_UNCORE_EVENT_DESC(clockticks, "event=0xff,umask=0"), + { /* end: all zeroes */ }, +}; + +static struct intel_uncore_type nhmex_uncore_wbox = { + .name = "wbox", + .num_counters = 4, + .num_boxes = 1, + .perf_ctr_bits = 48, + .event_ctl = NHMEX_W_MSR_PMON_CNT0, + .perf_ctr = NHMEX_W_MSR_PMON_EVT_SEL0, + .fixed_ctr = NHMEX_W_MSR_PMON_FIXED_CTR, + .fixed_ctl = NHMEX_W_MSR_PMON_FIXED_CTL, + .event_mask = NHMEX_PMON_RAW_EVENT_MASK, + .box_ctl = NHMEX_W_MSR_GLOBAL_CTL, + .pair_ctr_ctl = 1, + .event_descs = nhmex_uncore_wbox_events, + .ops = &nhmex_uncore_ops, + .format_group = &nhmex_uncore_cbox_format_group +}; + +static int nhmex_bbox_hw_config(struct intel_uncore_box *box, struct perf_event *event) +{ + struct hw_perf_event *hwc = &event->hw; + struct hw_perf_event_extra *reg1 = &hwc->extra_reg; + struct hw_perf_event_extra *reg2 = &hwc->branch_reg; + int ctr, ev_sel; + + ctr = (hwc->config & NHMEX_B_PMON_CTR_MASK) >> + NHMEX_B_PMON_CTR_SHIFT; + ev_sel = (hwc->config & NHMEX_B_PMON_CTL_EV_SEL_MASK) >> + NHMEX_B_PMON_CTL_EV_SEL_SHIFT; + + /* events that do not use the match/mask registers */ + if ((ctr == 0 && ev_sel > 0x3) || (ctr == 1 && ev_sel > 0x6) || + (ctr == 2 && ev_sel != 0x4) || ctr == 3) + return 0; + + if (box->pmu->pmu_idx == 0) + reg1->reg = NHMEX_B0_MSR_MATCH; + else + reg1->reg = NHMEX_B1_MSR_MATCH; + reg1->idx = 0; + reg1->config = event->attr.config1; + reg2->config = event->attr.config2; + return 0; +} + +static void nhmex_bbox_msr_enable_event(struct intel_uncore_box *box, struct perf_event *event) +{ + struct hw_perf_event *hwc = &event->hw; + struct hw_perf_event_extra *reg1 = &hwc->extra_reg; + struct hw_perf_event_extra *reg2 = &hwc->branch_reg; + + if (reg1->idx != EXTRA_REG_NONE) { + wrmsrl(reg1->reg, reg1->config); + wrmsrl(reg1->reg + 1, reg2->config); + } + wrmsrl(hwc->config_base, NHMEX_PMON_CTL_EN_BIT0 | + (hwc->config & NHMEX_B_PMON_CTL_EV_SEL_MASK)); +} + +/* + * The Bbox has 4 counters, but each counter monitors different events. + * Use bits 6-7 in the event config to select counter. + */ +static struct event_constraint nhmex_uncore_bbox_constraints[] = { + EVENT_CONSTRAINT(0 , 1, 0xc0), + EVENT_CONSTRAINT(0x40, 2, 0xc0), + EVENT_CONSTRAINT(0x80, 4, 0xc0), + EVENT_CONSTRAINT(0xc0, 8, 0xc0), + EVENT_CONSTRAINT_END, +}; + +static struct attribute *nhmex_uncore_bbox_formats_attr[] = { + &format_attr_event5.attr, + &format_attr_counter.attr, + &format_attr_match.attr, + &format_attr_mask.attr, + NULL, +}; + +static struct attribute_group nhmex_uncore_bbox_format_group = { + .name = "format", + .attrs = nhmex_uncore_bbox_formats_attr, +}; + +static struct intel_uncore_ops nhmex_uncore_bbox_ops = { + NHMEX_UNCORE_OPS_COMMON_INIT(), + .enable_event = nhmex_bbox_msr_enable_event, + .hw_config = nhmex_bbox_hw_config, + .get_constraint = uncore_get_constraint, + .put_constraint = uncore_put_constraint, +}; + +static struct intel_uncore_type nhmex_uncore_bbox = { + .name = "bbox", + .num_counters = 4, + .num_boxes = 2, + .perf_ctr_bits = 48, + .event_ctl = NHMEX_B0_MSR_PMON_CTL0, + .perf_ctr = NHMEX_B0_MSR_PMON_CTR0, + .event_mask = NHMEX_B_PMON_RAW_EVENT_MASK, + .box_ctl = NHMEX_B0_MSR_PMON_GLOBAL_CTL, + .msr_offset = NHMEX_B_MSR_OFFSET, + .pair_ctr_ctl = 1, + .num_shared_regs = 1, + .constraints = nhmex_uncore_bbox_constraints, + .ops = &nhmex_uncore_bbox_ops, + .format_group = &nhmex_uncore_bbox_format_group +}; + +static int nhmex_sbox_hw_config(struct intel_uncore_box *box, struct perf_event *event) +{ + struct hw_perf_event_extra *reg1 = &event->hw.extra_reg; + struct hw_perf_event_extra *reg2 = &event->hw.branch_reg; + + if (event->attr.config & NHMEX_S_PMON_MM_CFG_EN) { + reg1->config = event->attr.config1; + reg2->config = event->attr.config2; + } else { + reg1->config = ~0ULL; + reg2->config = ~0ULL; + } + + if (box->pmu->pmu_idx == 0) + reg1->reg = NHMEX_S0_MSR_MM_CFG; + else + reg1->reg = NHMEX_S1_MSR_MM_CFG; + + reg1->idx = 0; + + return 0; +} + +static void nhmex_sbox_msr_enable_event(struct intel_uncore_box *box, struct perf_event *event) +{ + struct hw_perf_event *hwc = &event->hw; + struct hw_perf_event_extra *reg1 = &hwc->extra_reg; + struct hw_perf_event_extra *reg2 = &hwc->branch_reg; + + wrmsrl(reg1->reg, 0); + if (reg1->config != ~0ULL || reg2->config != ~0ULL) { + wrmsrl(reg1->reg + 1, reg1->config); + wrmsrl(reg1->reg + 2, reg2->config); + wrmsrl(reg1->reg, NHMEX_S_PMON_MM_CFG_EN); + } + wrmsrl(hwc->config_base, hwc->config | NHMEX_PMON_CTL_EN_BIT22); +} + +static struct attribute *nhmex_uncore_sbox_formats_attr[] = { + &format_attr_event.attr, + &format_attr_umask.attr, + &format_attr_edge.attr, + &format_attr_inv.attr, + &format_attr_thresh8.attr, + &format_attr_mm_cfg.attr, + &format_attr_match.attr, + &format_attr_mask.attr, + NULL, +}; + +static struct attribute_group nhmex_uncore_sbox_format_group = { + .name = "format", + .attrs = nhmex_uncore_sbox_formats_attr, +}; + +static struct intel_uncore_ops nhmex_uncore_sbox_ops = { + NHMEX_UNCORE_OPS_COMMON_INIT(), + .enable_event = nhmex_sbox_msr_enable_event, + .hw_config = nhmex_sbox_hw_config, + .get_constraint = uncore_get_constraint, + .put_constraint = uncore_put_constraint, +}; + +static struct intel_uncore_type nhmex_uncore_sbox = { + .name = "sbox", + .num_counters = 4, + .num_boxes = 2, + .perf_ctr_bits = 48, + .event_ctl = NHMEX_S0_MSR_PMON_CTL0, + .perf_ctr = NHMEX_S0_MSR_PMON_CTR0, + .event_mask = NHMEX_PMON_RAW_EVENT_MASK, + .box_ctl = NHMEX_S0_MSR_PMON_GLOBAL_CTL, + .msr_offset = NHMEX_S_MSR_OFFSET, + .pair_ctr_ctl = 1, + .num_shared_regs = 1, + .ops = &nhmex_uncore_sbox_ops, + .format_group = &nhmex_uncore_sbox_format_group +}; + +enum { + EXTRA_REG_NHMEX_M_FILTER, + EXTRA_REG_NHMEX_M_DSP, + EXTRA_REG_NHMEX_M_ISS, + EXTRA_REG_NHMEX_M_MAP, + EXTRA_REG_NHMEX_M_MSC_THR, + EXTRA_REG_NHMEX_M_PGT, + EXTRA_REG_NHMEX_M_PLD, + EXTRA_REG_NHMEX_M_ZDP_CTL_FVC, +}; + +static struct extra_reg nhmex_uncore_mbox_extra_regs[] = { + MBOX_INC_SEL_EXTAR_REG(0x0, DSP), + MBOX_INC_SEL_EXTAR_REG(0x4, MSC_THR), + MBOX_INC_SEL_EXTAR_REG(0x5, MSC_THR), + MBOX_INC_SEL_EXTAR_REG(0x9, ISS), + /* event 0xa uses two extra registers */ + MBOX_INC_SEL_EXTAR_REG(0xa, ISS), + MBOX_INC_SEL_EXTAR_REG(0xa, PLD), + MBOX_INC_SEL_EXTAR_REG(0xb, PLD), + /* events 0xd ~ 0x10 use the same extra register */ + MBOX_INC_SEL_EXTAR_REG(0xd, ZDP_CTL_FVC), + MBOX_INC_SEL_EXTAR_REG(0xe, ZDP_CTL_FVC), + MBOX_INC_SEL_EXTAR_REG(0xf, ZDP_CTL_FVC), + MBOX_INC_SEL_EXTAR_REG(0x10, ZDP_CTL_FVC), + MBOX_INC_SEL_EXTAR_REG(0x16, PGT), + MBOX_SET_FLAG_SEL_EXTRA_REG(0x0, DSP), + MBOX_SET_FLAG_SEL_EXTRA_REG(0x1, ISS), + MBOX_SET_FLAG_SEL_EXTRA_REG(0x5, PGT), + MBOX_SET_FLAG_SEL_EXTRA_REG(0x6, MAP), + EVENT_EXTRA_END +}; + +static bool nhmex_mbox_get_shared_reg(struct intel_uncore_box *box, int idx, u64 config) +{ + struct intel_uncore_extra_reg *er; + unsigned long flags; + bool ret = false; + u64 mask; + + if (idx < EXTRA_REG_NHMEX_M_ZDP_CTL_FVC) { + er = &box->shared_regs[idx]; + raw_spin_lock_irqsave(&er->lock, flags); + if (!atomic_read(&er->ref) || er->config == config) { + atomic_inc(&er->ref); + er->config = config; + ret = true; + } + raw_spin_unlock_irqrestore(&er->lock, flags); + + return ret; + } + /* + * The ZDP_CTL_FVC MSR has 4 fields which are used to control + * events 0xd ~ 0x10. Besides these 4 fields, there are additional + * fields which are shared. + */ + idx -= EXTRA_REG_NHMEX_M_ZDP_CTL_FVC; + if (WARN_ON_ONCE(idx >= 4)) + return false; + + /* mask of the shared fields */ + mask = NHMEX_M_PMON_ZDP_CTL_FVC_MASK; + er = &box->shared_regs[EXTRA_REG_NHMEX_M_ZDP_CTL_FVC]; + + raw_spin_lock_irqsave(&er->lock, flags); + /* add mask of the non-shared field if it's in use */ + if (__BITS_VALUE(atomic_read(&er->ref), idx, 8)) + mask |= NHMEX_M_PMON_ZDP_CTL_FVC_EVENT_MASK(idx); + + if (!atomic_read(&er->ref) || !((er->config ^ config) & mask)) { + atomic_add(1 << (idx * 8), &er->ref); + mask = NHMEX_M_PMON_ZDP_CTL_FVC_MASK | + NHMEX_M_PMON_ZDP_CTL_FVC_EVENT_MASK(idx); + er->config &= ~mask; + er->config |= (config & mask); + ret = true; + } + raw_spin_unlock_irqrestore(&er->lock, flags); + + return ret; +} + +static void nhmex_mbox_put_shared_reg(struct intel_uncore_box *box, int idx) +{ + struct intel_uncore_extra_reg *er; + + if (idx < EXTRA_REG_NHMEX_M_ZDP_CTL_FVC) { + er = &box->shared_regs[idx]; + atomic_dec(&er->ref); + return; + } + + idx -= EXTRA_REG_NHMEX_M_ZDP_CTL_FVC; + er = &box->shared_regs[EXTRA_REG_NHMEX_M_ZDP_CTL_FVC]; + atomic_sub(1 << (idx * 8), &er->ref); +} + +u64 nhmex_mbox_alter_er(struct perf_event *event, int new_idx, bool modify) +{ + struct hw_perf_event *hwc = &event->hw; + struct hw_perf_event_extra *reg1 = &hwc->extra_reg; + int idx, orig_idx = __BITS_VALUE(reg1->idx, 0, 8); + u64 config = reg1->config; + + /* get the non-shared control bits and shift them */ + idx = orig_idx - EXTRA_REG_NHMEX_M_ZDP_CTL_FVC; + config &= NHMEX_M_PMON_ZDP_CTL_FVC_EVENT_MASK(idx); + if (new_idx > orig_idx) { + idx = new_idx - orig_idx; + config <<= 3 * idx; + } else { + idx = orig_idx - new_idx; + config >>= 3 * idx; + } + + /* add the shared control bits back */ + config |= NHMEX_M_PMON_ZDP_CTL_FVC_MASK & reg1->config; + if (modify) { + /* adjust the main event selector */ + if (new_idx > orig_idx) + hwc->config += idx << NHMEX_M_PMON_CTL_INC_SEL_SHIFT; + else + hwc->config -= idx << NHMEX_M_PMON_CTL_INC_SEL_SHIFT; + reg1->config = config; + reg1->idx = ~0xff | new_idx; + } + return config; +} + +static struct event_constraint * +nhmex_mbox_get_constraint(struct intel_uncore_box *box, struct perf_event *event) +{ + struct hw_perf_event_extra *reg1 = &event->hw.extra_reg; + struct hw_perf_event_extra *reg2 = &event->hw.branch_reg; + int i, idx[2], alloc = 0; + u64 config1 = reg1->config; + + idx[0] = __BITS_VALUE(reg1->idx, 0, 8); + idx[1] = __BITS_VALUE(reg1->idx, 1, 8); +again: + for (i = 0; i < 2; i++) { + if (!uncore_box_is_fake(box) && (reg1->alloc & (0x1 << i))) + idx[i] = 0xff; + + if (idx[i] == 0xff) + continue; + + if (!nhmex_mbox_get_shared_reg(box, idx[i], + __BITS_VALUE(config1, i, 32))) + goto fail; + alloc |= (0x1 << i); + } + + /* for the match/mask registers */ + if ((uncore_box_is_fake(box) || !reg2->alloc) && + !nhmex_mbox_get_shared_reg(box, reg2->idx, reg2->config)) + goto fail; + + /* + * If it's a fake box -- as per validate_{group,event}() we + * shouldn't touch event state and we can avoid doing so + * since both will only call get_event_constraints() once + * on each event, this avoids the need for reg->alloc. + */ + if (!uncore_box_is_fake(box)) { + if (idx[0] != 0xff && idx[0] != __BITS_VALUE(reg1->idx, 0, 8)) + nhmex_mbox_alter_er(event, idx[0], true); + reg1->alloc |= alloc; + reg2->alloc = 1; + } + return NULL; +fail: + if (idx[0] != 0xff && !(alloc & 0x1) && + idx[0] >= EXTRA_REG_NHMEX_M_ZDP_CTL_FVC) { + /* + * events 0xd ~ 0x10 are functional identical, but are + * controlled by different fields in the ZDP_CTL_FVC + * register. If we failed to take one field, try the + * rest 3 choices. + */ + BUG_ON(__BITS_VALUE(reg1->idx, 1, 8) != 0xff); + idx[0] -= EXTRA_REG_NHMEX_M_ZDP_CTL_FVC; + idx[0] = (idx[0] + 1) % 4; + idx[0] += EXTRA_REG_NHMEX_M_ZDP_CTL_FVC; + if (idx[0] != __BITS_VALUE(reg1->idx, 0, 8)) { + config1 = nhmex_mbox_alter_er(event, idx[0], false); + goto again; + } + } + + if (alloc & 0x1) + nhmex_mbox_put_shared_reg(box, idx[0]); + if (alloc & 0x2) + nhmex_mbox_put_shared_reg(box, idx[1]); + return &constraint_empty; +} + +static void nhmex_mbox_put_constraint(struct intel_uncore_box *box, struct perf_event *event) +{ + struct hw_perf_event_extra *reg1 = &event->hw.extra_reg; + struct hw_perf_event_extra *reg2 = &event->hw.branch_reg; + + if (uncore_box_is_fake(box)) + return; + + if (reg1->alloc & 0x1) + nhmex_mbox_put_shared_reg(box, __BITS_VALUE(reg1->idx, 0, 8)); + if (reg1->alloc & 0x2) + nhmex_mbox_put_shared_reg(box, __BITS_VALUE(reg1->idx, 1, 8)); + reg1->alloc = 0; + + if (reg2->alloc) { + nhmex_mbox_put_shared_reg(box, reg2->idx); + reg2->alloc = 0; + } +} + +static int nhmex_mbox_extra_reg_idx(struct extra_reg *er) +{ + if (er->idx < EXTRA_REG_NHMEX_M_ZDP_CTL_FVC) + return er->idx; + return er->idx + (er->event >> NHMEX_M_PMON_CTL_INC_SEL_SHIFT) - 0xd; +} + +static int nhmex_mbox_hw_config(struct intel_uncore_box *box, struct perf_event *event) +{ + struct intel_uncore_type *type = box->pmu->type; + struct hw_perf_event_extra *reg1 = &event->hw.extra_reg; + struct hw_perf_event_extra *reg2 = &event->hw.branch_reg; + struct extra_reg *er; + unsigned msr; + int reg_idx = 0; + + if (WARN_ON_ONCE(reg1->idx != -1)) + return -EINVAL; + /* + * The mbox events may require 2 extra MSRs at the most. But only + * the lower 32 bits in these MSRs are significant, so we can use + * config1 to pass two MSRs' config. + */ + for (er = nhmex_uncore_mbox_extra_regs; er->msr; er++) { + if (er->event != (event->hw.config & er->config_mask)) + continue; + if (event->attr.config1 & ~er->valid_mask) + return -EINVAL; + if (er->idx == __BITS_VALUE(reg1->idx, 0, 8) || + er->idx == __BITS_VALUE(reg1->idx, 1, 8)) + continue; + if (WARN_ON_ONCE(reg_idx >= 2)) + return -EINVAL; + + msr = er->msr + type->msr_offset * box->pmu->pmu_idx; + if (WARN_ON_ONCE(msr >= 0xffff || er->idx >= 0xff)) + return -EINVAL; + + /* always use the 32~63 bits to pass the PLD config */ + if (er->idx == EXTRA_REG_NHMEX_M_PLD) + reg_idx = 1; + + reg1->idx &= ~(0xff << (reg_idx * 8)); + reg1->reg &= ~(0xffff << (reg_idx * 16)); + reg1->idx |= nhmex_mbox_extra_reg_idx(er) << (reg_idx * 8); + reg1->reg |= msr << (reg_idx * 16); + reg1->config = event->attr.config1; + reg_idx++; + } + /* use config2 to pass the filter config */ + reg2->idx = EXTRA_REG_NHMEX_M_FILTER; + if (event->attr.config2 & NHMEX_M_PMON_MM_CFG_EN) + reg2->config = event->attr.config2; + else + reg2->config = ~0ULL; + if (box->pmu->pmu_idx == 0) + reg2->reg = NHMEX_M0_MSR_PMU_MM_CFG; + else + reg2->reg = NHMEX_M1_MSR_PMU_MM_CFG; + + return 0; +} + +static u64 nhmex_mbox_shared_reg_config(struct intel_uncore_box *box, int idx) +{ + struct intel_uncore_extra_reg *er; + unsigned long flags; + u64 config; + + if (idx < EXTRA_REG_NHMEX_M_ZDP_CTL_FVC) + return box->shared_regs[idx].config; + + er = &box->shared_regs[EXTRA_REG_NHMEX_M_ZDP_CTL_FVC]; + raw_spin_lock_irqsave(&er->lock, flags); + config = er->config; + raw_spin_unlock_irqrestore(&er->lock, flags); + return config; +} + +static void nhmex_mbox_msr_enable_event(struct intel_uncore_box *box, struct perf_event *event) +{ + struct hw_perf_event *hwc = &event->hw; + struct hw_perf_event_extra *reg1 = &hwc->extra_reg; + struct hw_perf_event_extra *reg2 = &hwc->branch_reg; + int idx; + + idx = __BITS_VALUE(reg1->idx, 0, 8); + if (idx != 0xff) + wrmsrl(__BITS_VALUE(reg1->reg, 0, 16), + nhmex_mbox_shared_reg_config(box, idx)); + idx = __BITS_VALUE(reg1->idx, 1, 8); + if (idx != 0xff) + wrmsrl(__BITS_VALUE(reg1->reg, 1, 16), + nhmex_mbox_shared_reg_config(box, idx)); + + wrmsrl(reg2->reg, 0); + if (reg2->config != ~0ULL) { + wrmsrl(reg2->reg + 1, + reg2->config & NHMEX_M_PMON_ADDR_MATCH_MASK); + wrmsrl(reg2->reg + 2, NHMEX_M_PMON_ADDR_MASK_MASK & + (reg2->config >> NHMEX_M_PMON_ADDR_MASK_SHIFT)); + wrmsrl(reg2->reg, NHMEX_M_PMON_MM_CFG_EN); + } + + wrmsrl(hwc->config_base, hwc->config | NHMEX_PMON_CTL_EN_BIT0); +} + +DEFINE_UNCORE_FORMAT_ATTR(count_mode, count_mode, "config:2-3"); +DEFINE_UNCORE_FORMAT_ATTR(storage_mode, storage_mode, "config:4-5"); +DEFINE_UNCORE_FORMAT_ATTR(wrap_mode, wrap_mode, "config:6"); +DEFINE_UNCORE_FORMAT_ATTR(flag_mode, flag_mode, "config:7"); +DEFINE_UNCORE_FORMAT_ATTR(inc_sel, inc_sel, "config:9-13"); +DEFINE_UNCORE_FORMAT_ATTR(set_flag_sel, set_flag_sel, "config:19-21"); +DEFINE_UNCORE_FORMAT_ATTR(filter_cfg, filter_cfg, "config2:63"); +DEFINE_UNCORE_FORMAT_ATTR(filter_match, filter_match, "config2:0-33"); +DEFINE_UNCORE_FORMAT_ATTR(filter_mask, filter_mask, "config2:34-61"); +DEFINE_UNCORE_FORMAT_ATTR(dsp, dsp, "config1:0-31"); +DEFINE_UNCORE_FORMAT_ATTR(thr, thr, "config1:0-31"); +DEFINE_UNCORE_FORMAT_ATTR(fvc, fvc, "config1:0-31"); +DEFINE_UNCORE_FORMAT_ATTR(pgt, pgt, "config1:0-31"); +DEFINE_UNCORE_FORMAT_ATTR(map, map, "config1:0-31"); +DEFINE_UNCORE_FORMAT_ATTR(iss, iss, "config1:0-31"); +DEFINE_UNCORE_FORMAT_ATTR(pld, pld, "config1:32-63"); + +static struct attribute *nhmex_uncore_mbox_formats_attr[] = { + &format_attr_count_mode.attr, + &format_attr_storage_mode.attr, + &format_attr_wrap_mode.attr, + &format_attr_flag_mode.attr, + &format_attr_inc_sel.attr, + &format_attr_set_flag_sel.attr, + &format_attr_filter_cfg.attr, + &format_attr_filter_match.attr, + &format_attr_filter_mask.attr, + &format_attr_dsp.attr, + &format_attr_thr.attr, + &format_attr_fvc.attr, + &format_attr_pgt.attr, + &format_attr_map.attr, + &format_attr_iss.attr, + &format_attr_pld.attr, + NULL, +}; + +static struct attribute_group nhmex_uncore_mbox_format_group = { + .name = "format", + .attrs = nhmex_uncore_mbox_formats_attr, +}; + +static struct uncore_event_desc nhmex_uncore_mbox_events[] = { + INTEL_UNCORE_EVENT_DESC(bbox_cmds_read, "inc_sel=0xd,fvc=0x2800"), + INTEL_UNCORE_EVENT_DESC(bbox_cmds_write, "inc_sel=0xd,fvc=0x2820"), + { /* end: all zeroes */ }, +}; + +static struct intel_uncore_ops nhmex_uncore_mbox_ops = { + NHMEX_UNCORE_OPS_COMMON_INIT(), + .enable_event = nhmex_mbox_msr_enable_event, + .hw_config = nhmex_mbox_hw_config, + .get_constraint = nhmex_mbox_get_constraint, + .put_constraint = nhmex_mbox_put_constraint, +}; + +static struct intel_uncore_type nhmex_uncore_mbox = { + .name = "mbox", + .num_counters = 6, + .num_boxes = 2, + .perf_ctr_bits = 48, + .event_ctl = NHMEX_M0_MSR_PMU_CTL0, + .perf_ctr = NHMEX_M0_MSR_PMU_CNT0, + .event_mask = NHMEX_M_PMON_RAW_EVENT_MASK, + .box_ctl = NHMEX_M0_MSR_GLOBAL_CTL, + .msr_offset = NHMEX_M_MSR_OFFSET, + .pair_ctr_ctl = 1, + .num_shared_regs = 8, + .event_descs = nhmex_uncore_mbox_events, + .ops = &nhmex_uncore_mbox_ops, + .format_group = &nhmex_uncore_mbox_format_group, +}; + +void nhmex_rbox_alter_er(struct intel_uncore_box *box, struct perf_event *event) +{ + struct hw_perf_event *hwc = &event->hw; + struct hw_perf_event_extra *reg1 = &hwc->extra_reg; + int port; + + /* adjust the main event selector */ + if (reg1->idx % 2) { + reg1->idx--; + hwc->config -= 1 << NHMEX_R_PMON_CTL_EV_SEL_SHIFT; + } else { + reg1->idx++; + hwc->config += 1 << NHMEX_R_PMON_CTL_EV_SEL_SHIFT; + } + + /* adjust address or config of extra register */ + port = reg1->idx / 6 + box->pmu->pmu_idx * 4; + switch (reg1->idx % 6) { + case 0: + reg1->reg = NHMEX_R_MSR_PORTN_IPERF_CFG0(port); + break; + case 1: + reg1->reg = NHMEX_R_MSR_PORTN_IPERF_CFG1(port); + break; + case 2: + /* the 8~15 bits to the 0~7 bits */ + reg1->config >>= 8; + break; + case 3: + /* the 0~7 bits to the 8~15 bits */ + reg1->config <<= 8; + break; + case 4: + reg1->reg = NHMEX_R_MSR_PORTN_XBR_SET1_MM_CFG(port); + break; + case 5: + reg1->reg = NHMEX_R_MSR_PORTN_XBR_SET2_MM_CFG(port); + break; + }; +} + +/* + * Each rbox has 4 event set which monitor PQI port 0~3 or 4~7. + * An event set consists of 6 events, the 3rd and 4th events in + * an event set use the same extra register. So an event set uses + * 5 extra registers. + */ +static struct event_constraint * +nhmex_rbox_get_constraint(struct intel_uncore_box *box, struct perf_event *event) +{ + struct hw_perf_event *hwc = &event->hw; + struct hw_perf_event_extra *reg1 = &hwc->extra_reg; + struct hw_perf_event_extra *reg2 = &hwc->branch_reg; + struct intel_uncore_extra_reg *er; + unsigned long flags; + int idx, er_idx; + u64 config1; + bool ok = false; + + if (!uncore_box_is_fake(box) && reg1->alloc) + return NULL; + + idx = reg1->idx % 6; + config1 = reg1->config; +again: + er_idx = idx; + /* the 3rd and 4th events use the same extra register */ + if (er_idx > 2) + er_idx--; + er_idx += (reg1->idx / 6) * 5; + + er = &box->shared_regs[er_idx]; + raw_spin_lock_irqsave(&er->lock, flags); + if (idx < 2) { + if (!atomic_read(&er->ref) || er->config == reg1->config) { + atomic_inc(&er->ref); + er->config = reg1->config; + ok = true; + } + } else if (idx == 2 || idx == 3) { + /* + * these two events use different fields in a extra register, + * the 0~7 bits and the 8~15 bits respectively. + */ + u64 mask = 0xff << ((idx - 2) * 8); + if (!__BITS_VALUE(atomic_read(&er->ref), idx - 2, 8) || + !((er->config ^ config1) & mask)) { + atomic_add(1 << ((idx - 2) * 8), &er->ref); + er->config &= ~mask; + er->config |= config1 & mask; + ok = true; + } + } else { + if (!atomic_read(&er->ref) || + (er->config == (hwc->config >> 32) && + er->config1 == reg1->config && + er->config2 == reg2->config)) { + atomic_inc(&er->ref); + er->config = (hwc->config >> 32); + er->config1 = reg1->config; + er->config2 = reg2->config; + ok = true; + } + } + raw_spin_unlock_irqrestore(&er->lock, flags); + + if (!ok) { + /* + * The Rbox events are always in pairs. The paired + * events are functional identical, but use different + * extra registers. If we failed to take an extra + * register, try the alternative. + */ + if (idx % 2) + idx--; + else + idx++; + if (idx != reg1->idx % 6) { + if (idx == 2) + config1 >>= 8; + else if (idx == 3) + config1 <<= 8; + goto again; + } + } else { + if (!uncore_box_is_fake(box)) { + if (idx != reg1->idx % 6) + nhmex_rbox_alter_er(box, event); + reg1->alloc = 1; + } + return NULL; + } + return &constraint_empty; +} + +static void nhmex_rbox_put_constraint(struct intel_uncore_box *box, struct perf_event *event) +{ + struct intel_uncore_extra_reg *er; + struct hw_perf_event_extra *reg1 = &event->hw.extra_reg; + int idx, er_idx; + + if (uncore_box_is_fake(box) || !reg1->alloc) + return; + + idx = reg1->idx % 6; + er_idx = idx; + if (er_idx > 2) + er_idx--; + er_idx += (reg1->idx / 6) * 5; + + er = &box->shared_regs[er_idx]; + if (idx == 2 || idx == 3) + atomic_sub(1 << ((idx - 2) * 8), &er->ref); + else + atomic_dec(&er->ref); + + reg1->alloc = 0; +} + +static int nhmex_rbox_hw_config(struct intel_uncore_box *box, struct perf_event *event) +{ + struct hw_perf_event *hwc = &event->hw; + struct hw_perf_event_extra *reg1 = &event->hw.extra_reg; + struct hw_perf_event_extra *reg2 = &event->hw.branch_reg; + int port, idx; + + idx = (event->hw.config & NHMEX_R_PMON_CTL_EV_SEL_MASK) >> + NHMEX_R_PMON_CTL_EV_SEL_SHIFT; + if (idx >= 0x18) + return -EINVAL; + + reg1->idx = idx; + reg1->config = event->attr.config1; + + port = idx / 6 + box->pmu->pmu_idx * 4; + idx %= 6; + switch (idx) { + case 0: + reg1->reg = NHMEX_R_MSR_PORTN_IPERF_CFG0(port); + break; + case 1: + reg1->reg = NHMEX_R_MSR_PORTN_IPERF_CFG1(port); + break; + case 2: + case 3: + reg1->reg = NHMEX_R_MSR_PORTN_QLX_CFG(port); + break; + case 4: + case 5: + if (idx == 4) + reg1->reg = NHMEX_R_MSR_PORTN_XBR_SET1_MM_CFG(port); + else + reg1->reg = NHMEX_R_MSR_PORTN_XBR_SET2_MM_CFG(port); + reg2->config = event->attr.config2; + hwc->config |= event->attr.config & (~0ULL << 32); + break; + }; + return 0; +} + +static u64 nhmex_rbox_shared_reg_config(struct intel_uncore_box *box, int idx) +{ + struct intel_uncore_extra_reg *er; + unsigned long flags; + u64 config; + + er = &box->shared_regs[idx]; + + raw_spin_lock_irqsave(&er->lock, flags); + config = er->config; + raw_spin_unlock_irqrestore(&er->lock, flags); + + return config; +} + +static void nhmex_rbox_msr_enable_event(struct intel_uncore_box *box, struct perf_event *event) +{ + struct hw_perf_event *hwc = &event->hw; + struct hw_perf_event_extra *reg1 = &hwc->extra_reg; + struct hw_perf_event_extra *reg2 = &hwc->branch_reg; + int idx, er_idx; + + idx = reg1->idx % 6; + er_idx = idx; + if (er_idx > 2) + er_idx--; + er_idx += (reg1->idx / 6) * 5; + + switch (idx) { + case 0: + case 1: + wrmsrl(reg1->reg, reg1->config); + break; + case 2: + case 3: + wrmsrl(reg1->reg, nhmex_rbox_shared_reg_config(box, er_idx)); + break; + case 4: + case 5: + wrmsrl(reg1->reg, reg1->config); + wrmsrl(reg1->reg + 1, hwc->config >> 32); + wrmsrl(reg1->reg + 2, reg2->config); + break; + }; + + wrmsrl(hwc->config_base, NHMEX_PMON_CTL_EN_BIT0 | + (hwc->config & NHMEX_R_PMON_CTL_EV_SEL_MASK)); +} + +DEFINE_UNCORE_FORMAT_ATTR(xbr_match, xbr_match, "config:32-63"); +DEFINE_UNCORE_FORMAT_ATTR(xbr_mm_cfg, xbr_mm_cfg, "config1:0-63"); +DEFINE_UNCORE_FORMAT_ATTR(xbr_mask, xbr_mask, "config2:0-63"); +DEFINE_UNCORE_FORMAT_ATTR(qlx_cfg, qlx_cfg, "config1:0-15"); +DEFINE_UNCORE_FORMAT_ATTR(iperf_cfg, iperf_cfg, "config1:0-31"); + +static struct attribute *nhmex_uncore_rbox_formats_attr[] = { + &format_attr_event5.attr, + &format_attr_xbr_mm_cfg.attr, + &format_attr_xbr_match.attr, + &format_attr_xbr_mask.attr, + &format_attr_qlx_cfg.attr, + &format_attr_iperf_cfg.attr, + NULL, +}; + +static struct attribute_group nhmex_uncore_rbox_format_group = { + .name = "format", + .attrs = nhmex_uncore_rbox_formats_attr, +}; + +static struct uncore_event_desc nhmex_uncore_rbox_events[] = { + INTEL_UNCORE_EVENT_DESC(qpi0_flit_send, "event=0x0,iperf_cfg=0x80000000"), + INTEL_UNCORE_EVENT_DESC(qpi1_filt_send, "event=0x6,iperf_cfg=0x80000000"), + INTEL_UNCORE_EVENT_DESC(qpi0_idle_filt, "event=0x0,iperf_cfg=0x40000000"), + INTEL_UNCORE_EVENT_DESC(qpi1_idle_filt, "event=0x6,iperf_cfg=0x40000000"), + INTEL_UNCORE_EVENT_DESC(qpi0_date_response, "event=0x0,iperf_cfg=0xc4"), + INTEL_UNCORE_EVENT_DESC(qpi1_date_response, "event=0x6,iperf_cfg=0xc4"), + { /* end: all zeroes */ }, +}; + +static struct intel_uncore_ops nhmex_uncore_rbox_ops = { + NHMEX_UNCORE_OPS_COMMON_INIT(), + .enable_event = nhmex_rbox_msr_enable_event, + .hw_config = nhmex_rbox_hw_config, + .get_constraint = nhmex_rbox_get_constraint, + .put_constraint = nhmex_rbox_put_constraint, +}; + +static struct intel_uncore_type nhmex_uncore_rbox = { + .name = "rbox", + .num_counters = 8, + .num_boxes = 2, + .perf_ctr_bits = 48, + .event_ctl = NHMEX_R_MSR_PMON_CTL0, + .perf_ctr = NHMEX_R_MSR_PMON_CNT0, + .event_mask = NHMEX_R_PMON_RAW_EVENT_MASK, + .box_ctl = NHMEX_R_MSR_GLOBAL_CTL, + .msr_offset = NHMEX_R_MSR_OFFSET, + .pair_ctr_ctl = 1, + .num_shared_regs = 20, + .event_descs = nhmex_uncore_rbox_events, + .ops = &nhmex_uncore_rbox_ops, + .format_group = &nhmex_uncore_rbox_format_group +}; + +static struct intel_uncore_type *nhmex_msr_uncores[] = { + &nhmex_uncore_ubox, + &nhmex_uncore_cbox, + &nhmex_uncore_bbox, + &nhmex_uncore_sbox, + &nhmex_uncore_mbox, + &nhmex_uncore_rbox, + &nhmex_uncore_wbox, + NULL, +}; +/* end of Nehalem-EX uncore support */ + +static void uncore_assign_hw_event(struct intel_uncore_box *box, struct perf_event *event, int idx) { struct hw_perf_event *hwc = &event->hw; @@ -787,8 +1841,7 @@ static void uncore_assign_hw_event(struct intel_uncore_box *box, hwc->event_base = uncore_perf_ctr(box, hwc->idx); } -static void uncore_perf_event_update(struct intel_uncore_box *box, - struct perf_event *event) +static void uncore_perf_event_update(struct intel_uncore_box *box, struct perf_event *event) { u64 prev_count, new_count, delta; int shift; @@ -858,14 +1911,12 @@ static void uncore_pmu_init_hrtimer(struct intel_uncore_box *box) box->hrtimer.function = uncore_pmu_hrtimer; } -struct intel_uncore_box *uncore_alloc_box(struct intel_uncore_type *type, - int cpu) +struct intel_uncore_box *uncore_alloc_box(struct intel_uncore_type *type, int cpu) { struct intel_uncore_box *box; int i, size; - size = sizeof(*box) + type->num_shared_regs * - sizeof(struct intel_uncore_extra_reg); + size = sizeof(*box) + type->num_shared_regs * sizeof(struct intel_uncore_extra_reg); box = kmalloc_node(size, GFP_KERNEL | __GFP_ZERO, cpu_to_node(cpu)); if (!box) @@ -915,12 +1966,11 @@ static struct intel_uncore_box *uncore_event_to_box(struct perf_event *event) * perf core schedules event on the basis of cpu, uncore events are * collected by one of the cpus inside a physical package. */ - return uncore_pmu_to_box(uncore_event_to_pmu(event), - smp_processor_id()); + return uncore_pmu_to_box(uncore_event_to_pmu(event), smp_processor_id()); } -static int uncore_collect_events(struct intel_uncore_box *box, - struct perf_event *leader, bool dogrp) +static int +uncore_collect_events(struct intel_uncore_box *box, struct perf_event *leader, bool dogrp) { struct perf_event *event; int n, max_count; @@ -952,8 +2002,7 @@ static int uncore_collect_events(struct intel_uncore_box *box, } static struct event_constraint * -uncore_get_event_constraint(struct intel_uncore_box *box, - struct perf_event *event) +uncore_get_event_constraint(struct intel_uncore_box *box, struct perf_event *event) { struct intel_uncore_type *type = box->pmu->type; struct event_constraint *c; @@ -977,15 +2026,13 @@ uncore_get_event_constraint(struct intel_uncore_box *box, return &type->unconstrainted; } -static void uncore_put_event_constraint(struct intel_uncore_box *box, - struct perf_event *event) +static void uncore_put_event_constraint(struct intel_uncore_box *box, struct perf_event *event) { if (box->pmu->type->ops->put_constraint) box->pmu->type->ops->put_constraint(box, event); } -static int uncore_assign_events(struct intel_uncore_box *box, - int assign[], int n) +static int uncore_assign_events(struct intel_uncore_box *box, int assign[], int n) { unsigned long used_mask[BITS_TO_LONGS(UNCORE_PMC_IDX_MAX)]; struct event_constraint *c, *constraints[UNCORE_PMC_IDX_MAX]; @@ -1407,8 +2454,7 @@ static bool pcidrv_registered; /* * add a pci uncore device */ -static int __devinit uncore_pci_add(struct intel_uncore_type *type, - struct pci_dev *pdev) +static int __devinit uncore_pci_add(struct intel_uncore_type *type, struct pci_dev *pdev) { struct intel_uncore_pmu *pmu; struct intel_uncore_box *box; @@ -1485,6 +2531,7 @@ static int __devinit uncore_pci_probe(struct pci_dev *pdev, struct intel_uncore_type *type; type = (struct intel_uncore_type *)id->driver_data; + return uncore_pci_add(type, pdev); } @@ -1612,8 +2659,8 @@ static int __cpuinit uncore_cpu_prepare(int cpu, int phys_id) return 0; } -static void __cpuinit uncore_change_context(struct intel_uncore_type **uncores, - int old_cpu, int new_cpu) +static void __cpuinit +uncore_change_context(struct intel_uncore_type **uncores, int old_cpu, int new_cpu) { struct intel_uncore_type *type; struct intel_uncore_pmu *pmu; @@ -1694,8 +2741,8 @@ static void __cpuinit uncore_event_init_cpu(int cpu) uncore_change_context(pci_uncores, -1, cpu); } -static int __cpuinit uncore_cpu_notifier(struct notifier_block *self, - unsigned long action, void *hcpu) +static int + __cpuinit uncore_cpu_notifier(struct notifier_block *self, unsigned long action, void *hcpu) { unsigned int cpu = (long)hcpu; @@ -1732,12 +2779,12 @@ static int __cpuinit uncore_cpu_notifier(struct notifier_block *self, } static struct notifier_block uncore_cpu_nb __cpuinitdata = { - .notifier_call = uncore_cpu_notifier, + .notifier_call = uncore_cpu_notifier, /* * to migrate uncore events, our notifier should be executed * before perf core's notifier. */ - .priority = CPU_PRI_PERF + 1, + .priority = CPU_PRI_PERF + 1, }; static void __init uncore_cpu_setup(void *dummy) @@ -1767,6 +2814,9 @@ static int __init uncore_cpu_init(void) snbep_uncore_cbox.num_boxes = max_cores; msr_uncores = snbep_msr_uncores; break; + case 46: + msr_uncores = nhmex_msr_uncores; + break; default: return 0; } diff --git a/arch/x86/kernel/cpu/perf_event_intel_uncore.h b/arch/x86/kernel/cpu/perf_event_intel_uncore.h index b13e9ea..f385189 100644 --- a/arch/x86/kernel/cpu/perf_event_intel_uncore.h +++ b/arch/x86/kernel/cpu/perf_event_intel_uncore.h @@ -5,8 +5,6 @@ #include "perf_event.h" #define UNCORE_PMU_NAME_LEN 32 -#define UNCORE_BOX_HASH_SIZE 8 - #define UNCORE_PMU_HRTIMER_INTERVAL (60 * NSEC_PER_SEC) #define UNCORE_FIXED_EVENT 0xff @@ -115,6 +113,10 @@ SNBEP_PCU_MSR_PMON_CTL_OCC_INVERT | \ SNBEP_PCU_MSR_PMON_CTL_OCC_EDGE_DET) +#define SNBEP_QPI_PCI_PMON_RAW_EVENT_MASK \ + (SNBEP_PMON_RAW_EVENT_MASK | \ + SNBEP_PMON_CTL_EV_SEL_EXT) + /* SNB-EP pci control register */ #define SNBEP_PCI_PMON_BOX_CTL 0xf4 #define SNBEP_PCI_PMON_CTL0 0xd8 @@ -158,6 +160,193 @@ #define SNBEP_PCU_MSR_CORE_C3_CTR 0x3fc #define SNBEP_PCU_MSR_CORE_C6_CTR 0x3fd +/* NHM-EX event control */ +#define NHMEX_PMON_CTL_EV_SEL_MASK 0x000000ff +#define NHMEX_PMON_CTL_UMASK_MASK 0x0000ff00 +#define NHMEX_PMON_CTL_EN_BIT0 (1 << 0) +#define NHMEX_PMON_CTL_EDGE_DET (1 << 18) +#define NHMEX_PMON_CTL_PMI_EN (1 << 20) +#define NHMEX_PMON_CTL_EN_BIT22 (1 << 22) +#define NHMEX_PMON_CTL_INVERT (1 << 23) +#define NHMEX_PMON_CTL_TRESH_MASK 0xff000000 +#define NHMEX_PMON_RAW_EVENT_MASK (NHMEX_PMON_CTL_EV_SEL_MASK | \ + NHMEX_PMON_CTL_UMASK_MASK | \ + NHMEX_PMON_CTL_EDGE_DET | \ + NHMEX_PMON_CTL_INVERT | \ + NHMEX_PMON_CTL_TRESH_MASK) + +/* NHM-EX Ubox */ +#define NHMEX_U_MSR_PMON_GLOBAL_CTL 0xc00 +#define NHMEX_U_MSR_PMON_CTR 0xc11 +#define NHMEX_U_MSR_PMON_EV_SEL 0xc10 + +#define NHMEX_U_PMON_GLOBAL_EN (1 << 0) +#define NHMEX_U_PMON_GLOBAL_PMI_CORE_SEL 0x0000001e +#define NHMEX_U_PMON_GLOBAL_EN_ALL (1 << 28) +#define NHMEX_U_PMON_GLOBAL_RST_ALL (1 << 29) +#define NHMEX_U_PMON_GLOBAL_FRZ_ALL (1 << 31) + +#define NHMEX_U_PMON_RAW_EVENT_MASK \ + (NHMEX_PMON_CTL_EV_SEL_MASK | \ + NHMEX_PMON_CTL_EDGE_DET) + +/* NHM-EX Cbox */ +#define NHMEX_C0_MSR_PMON_GLOBAL_CTL 0xd00 +#define NHMEX_C0_MSR_PMON_CTR0 0xd11 +#define NHMEX_C0_MSR_PMON_EV_SEL0 0xd10 +#define NHMEX_C_MSR_OFFSET 0x20 + +/* NHM-EX Bbox */ +#define NHMEX_B0_MSR_PMON_GLOBAL_CTL 0xc20 +#define NHMEX_B0_MSR_PMON_CTR0 0xc31 +#define NHMEX_B0_MSR_PMON_CTL0 0xc30 +#define NHMEX_B_MSR_OFFSET 0x40 +#define NHMEX_B0_MSR_MATCH 0xe45 +#define NHMEX_B0_MSR_MASK 0xe46 +#define NHMEX_B1_MSR_MATCH 0xe4d +#define NHMEX_B1_MSR_MASK 0xe4e + +#define NHMEX_B_PMON_CTL_EN (1 << 0) +#define NHMEX_B_PMON_CTL_EV_SEL_SHIFT 1 +#define NHMEX_B_PMON_CTL_EV_SEL_MASK \ + (0x1f << NHMEX_B_PMON_CTL_EV_SEL_SHIFT) +#define NHMEX_B_PMON_CTR_SHIFT 6 +#define NHMEX_B_PMON_CTR_MASK \ + (0x3 << NHMEX_B_PMON_CTR_SHIFT) +#define NHMEX_B_PMON_RAW_EVENT_MASK \ + (NHMEX_B_PMON_CTL_EV_SEL_MASK | \ + NHMEX_B_PMON_CTR_MASK) + +/* NHM-EX Sbox */ +#define NHMEX_S0_MSR_PMON_GLOBAL_CTL 0xc40 +#define NHMEX_S0_MSR_PMON_CTR0 0xc51 +#define NHMEX_S0_MSR_PMON_CTL0 0xc50 +#define NHMEX_S_MSR_OFFSET 0x80 +#define NHMEX_S0_MSR_MM_CFG 0xe48 +#define NHMEX_S0_MSR_MATCH 0xe49 +#define NHMEX_S0_MSR_MASK 0xe4a +#define NHMEX_S1_MSR_MM_CFG 0xe58 +#define NHMEX_S1_MSR_MATCH 0xe59 +#define NHMEX_S1_MSR_MASK 0xe5a + +#define NHMEX_S_PMON_MM_CFG_EN (0x1ULL << 63) + +/* NHM-EX Mbox */ +#define NHMEX_M0_MSR_GLOBAL_CTL 0xca0 +#define NHMEX_M0_MSR_PMU_DSP 0xca5 +#define NHMEX_M0_MSR_PMU_ISS 0xca6 +#define NHMEX_M0_MSR_PMU_MAP 0xca7 +#define NHMEX_M0_MSR_PMU_MSC_THR 0xca8 +#define NHMEX_M0_MSR_PMU_PGT 0xca9 +#define NHMEX_M0_MSR_PMU_PLD 0xcaa +#define NHMEX_M0_MSR_PMU_ZDP_CTL_FVC 0xcab +#define NHMEX_M0_MSR_PMU_CTL0 0xcb0 +#define NHMEX_M0_MSR_PMU_CNT0 0xcb1 +#define NHMEX_M_MSR_OFFSET 0x40 +#define NHMEX_M0_MSR_PMU_MM_CFG 0xe54 +#define NHMEX_M1_MSR_PMU_MM_CFG 0xe5c + +#define NHMEX_M_PMON_MM_CFG_EN (1ULL << 63) +#define NHMEX_M_PMON_ADDR_MATCH_MASK 0x3ffffffffULL +#define NHMEX_M_PMON_ADDR_MASK_MASK 0x7ffffffULL +#define NHMEX_M_PMON_ADDR_MASK_SHIFT 34 + +#define NHMEX_M_PMON_CTL_EN (1 << 0) +#define NHMEX_M_PMON_CTL_PMI_EN (1 << 1) +#define NHMEX_M_PMON_CTL_COUNT_MODE_SHIFT 2 +#define NHMEX_M_PMON_CTL_COUNT_MODE_MASK \ + (0x3 << NHMEX_M_PMON_CTL_COUNT_MODE_SHIFT) +#define NHMEX_M_PMON_CTL_STORAGE_MODE_SHIFT 4 +#define NHMEX_M_PMON_CTL_STORAGE_MODE_MASK \ + (0x3 << NHMEX_M_PMON_CTL_STORAGE_MODE_SHIFT) +#define NHMEX_M_PMON_CTL_WRAP_MODE (1 << 6) +#define NHMEX_M_PMON_CTL_FLAG_MODE (1 << 7) +#define NHMEX_M_PMON_CTL_INC_SEL_SHIFT 9 +#define NHMEX_M_PMON_CTL_INC_SEL_MASK \ + (0x1f << NHMEX_M_PMON_CTL_INC_SEL_SHIFT) +#define NHMEX_M_PMON_CTL_SET_FLAG_SEL_SHIFT 19 +#define NHMEX_M_PMON_CTL_SET_FLAG_SEL_MASK \ + (0x7 << NHMEX_M_PMON_CTL_SET_FLAG_SEL_SHIFT) +#define NHMEX_M_PMON_RAW_EVENT_MASK \ + (NHMEX_M_PMON_CTL_COUNT_MODE_MASK | \ + NHMEX_M_PMON_CTL_STORAGE_MODE_MASK | \ + NHMEX_M_PMON_CTL_WRAP_MODE | \ + NHMEX_M_PMON_CTL_FLAG_MODE | \ + NHMEX_M_PMON_CTL_INC_SEL_MASK | \ + NHMEX_M_PMON_CTL_SET_FLAG_SEL_MASK) + + +#define NHMEX_M_PMON_ZDP_CTL_FVC_FVID_MASK 0x1f +#define NHMEX_M_PMON_ZDP_CTL_FVC_BCMD_MASK (0x7 << 5) +#define NHMEX_M_PMON_ZDP_CTL_FVC_RSP_MASK (0x7 << 8) +#define NHMEX_M_PMON_ZDP_CTL_FVC_PBOX_INIT_ERR (1 << 23) +#define NHMEX_M_PMON_ZDP_CTL_FVC_MASK \ + (NHMEX_M_PMON_ZDP_CTL_FVC_FVID_MASK | \ + NHMEX_M_PMON_ZDP_CTL_FVC_BCMD_MASK | \ + NHMEX_M_PMON_ZDP_CTL_FVC_RSP_MASK | \ + NHMEX_M_PMON_ZDP_CTL_FVC_PBOX_INIT_ERR) +#define NHMEX_M_PMON_ZDP_CTL_FVC_EVENT_MASK(n) (0x7 << (11 + 3 * (n))) + +/* + * use the 9~13 bits to select event If the 7th bit is not set, + * otherwise use the 19~21 bits to select event. + */ +#define MBOX_INC_SEL(x) ((x) << NHMEX_M_PMON_CTL_INC_SEL_SHIFT) +#define MBOX_SET_FLAG_SEL(x) (((x) << NHMEX_M_PMON_CTL_SET_FLAG_SEL_SHIFT) | \ + NHMEX_M_PMON_CTL_FLAG_MODE) +#define MBOX_INC_SEL_MASK (NHMEX_M_PMON_CTL_INC_SEL_MASK | \ + NHMEX_M_PMON_CTL_FLAG_MODE) +#define MBOX_SET_FLAG_SEL_MASK (NHMEX_M_PMON_CTL_SET_FLAG_SEL_MASK | \ + NHMEX_M_PMON_CTL_FLAG_MODE) +#define MBOX_INC_SEL_EXTAR_REG(c, r) \ + EVENT_EXTRA_REG(MBOX_INC_SEL(c), NHMEX_M0_MSR_PMU_##r, \ + MBOX_INC_SEL_MASK, (u64)-1, NHMEX_M_##r) +#define MBOX_SET_FLAG_SEL_EXTRA_REG(c, r) \ + EVENT_EXTRA_REG(MBOX_SET_FLAG_SEL(c), NHMEX_M0_MSR_PMU_##r, \ + MBOX_SET_FLAG_SEL_MASK, \ + (u64)-1, NHMEX_M_##r) + +/* NHM-EX Rbox */ +#define NHMEX_R_MSR_GLOBAL_CTL 0xe00 +#define NHMEX_R_MSR_PMON_CTL0 0xe10 +#define NHMEX_R_MSR_PMON_CNT0 0xe11 +#define NHMEX_R_MSR_OFFSET 0x20 + +#define NHMEX_R_MSR_PORTN_QLX_CFG(n) \ + ((n) < 4 ? (0xe0c + (n)) : (0xe2c + (n) - 4)) +#define NHMEX_R_MSR_PORTN_IPERF_CFG0(n) (0xe04 + (n)) +#define NHMEX_R_MSR_PORTN_IPERF_CFG1(n) (0xe24 + (n)) +#define NHMEX_R_MSR_PORTN_XBR_OFFSET(n) \ + (((n) < 4 ? 0 : 0x10) + (n) * 4) +#define NHMEX_R_MSR_PORTN_XBR_SET1_MM_CFG(n) \ + (0xe60 + NHMEX_R_MSR_PORTN_XBR_OFFSET(n)) +#define NHMEX_R_MSR_PORTN_XBR_SET1_MATCH(n) \ + (NHMEX_R_MSR_PORTN_XBR_SET1_MM_CFG(n) + 1) +#define NHMEX_R_MSR_PORTN_XBR_SET1_MASK(n) \ + (NHMEX_R_MSR_PORTN_XBR_SET1_MM_CFG(n) + 2) +#define NHMEX_R_MSR_PORTN_XBR_SET2_MM_CFG(n) \ + (0xe70 + NHMEX_R_MSR_PORTN_XBR_OFFSET(n)) +#define NHMEX_R_MSR_PORTN_XBR_SET2_MATCH(n) \ + (NHMEX_R_MSR_PORTN_XBR_SET2_MM_CFG(n) + 1) +#define NHMEX_R_MSR_PORTN_XBR_SET2_MASK(n) \ + (NHMEX_R_MSR_PORTN_XBR_SET2_MM_CFG(n) + 2) + +#define NHMEX_R_PMON_CTL_EN (1 << 0) +#define NHMEX_R_PMON_CTL_EV_SEL_SHIFT 1 +#define NHMEX_R_PMON_CTL_EV_SEL_MASK \ + (0x1f << NHMEX_R_PMON_CTL_EV_SEL_SHIFT) +#define NHMEX_R_PMON_CTL_PMI_EN (1 << 6) +#define NHMEX_R_PMON_RAW_EVENT_MASK NHMEX_R_PMON_CTL_EV_SEL_MASK + +/* NHM-EX Wbox */ +#define NHMEX_W_MSR_GLOBAL_CTL 0xc80 +#define NHMEX_W_MSR_PMON_CNT0 0xc90 +#define NHMEX_W_MSR_PMON_EVT_SEL0 0xc91 +#define NHMEX_W_MSR_PMON_FIXED_CTR 0x394 +#define NHMEX_W_MSR_PMON_FIXED_CTL 0x395 + +#define NHMEX_W_PMON_GLOBAL_FIXED_EN (1ULL << 31) + struct intel_uncore_ops; struct intel_uncore_pmu; struct intel_uncore_box; @@ -178,6 +367,7 @@ struct intel_uncore_type { unsigned msr_offset; unsigned num_shared_regs:8; unsigned single_fixed:1; + unsigned pair_ctr_ctl:1; struct event_constraint unconstrainted; struct event_constraint *constraints; struct intel_uncore_pmu *pmus; @@ -213,7 +403,7 @@ struct intel_uncore_pmu { struct intel_uncore_extra_reg { raw_spinlock_t lock; - u64 config1; + u64 config, config1, config2; atomic_t ref; }; @@ -323,14 +513,16 @@ unsigned uncore_msr_fixed_ctr(struct intel_uncore_box *box) static inline unsigned uncore_msr_event_ctl(struct intel_uncore_box *box, int idx) { - return idx + box->pmu->type->event_ctl + + return box->pmu->type->event_ctl + + (box->pmu->type->pair_ctr_ctl ? 2 * idx : idx) + box->pmu->type->msr_offset * box->pmu->pmu_idx; } static inline unsigned uncore_msr_perf_ctr(struct intel_uncore_box *box, int idx) { - return idx + box->pmu->type->perf_ctr + + return box->pmu->type->perf_ctr + + (box->pmu->type->pair_ctr_ctl ? 2 * idx : idx) + box->pmu->type->msr_offset * box->pmu->pmu_idx; } @@ -422,3 +614,8 @@ static inline void uncore_box_init(struct intel_uncore_box *box) box->pmu->type->ops->init_box(box); } } + +static inline bool uncore_box_is_fake(struct intel_uncore_box *box) +{ + return (box->phys_id < 0); +} diff --git a/arch/x86/kernel/e820.c b/arch/x86/kernel/e820.c index 4185797..ed858e9 100644 --- a/arch/x86/kernel/e820.c +++ b/arch/x86/kernel/e820.c @@ -944,7 +944,7 @@ void __init e820_reserve_resources(void) for (i = 0; i < e820_saved.nr_map; i++) { struct e820entry *entry = &e820_saved.map[i]; firmware_map_add_early(entry->addr, - entry->addr + entry->size - 1, + entry->addr + entry->size, e820_type_to_string(entry->type)); } } diff --git a/arch/x86/um/asm/ptrace.h b/arch/x86/um/asm/ptrace.h index 950dfb7..e72cd0d 100644 --- a/arch/x86/um/asm/ptrace.h +++ b/arch/x86/um/asm/ptrace.h @@ -30,10 +30,10 @@ #define profile_pc(regs) PT_REGS_IP(regs) #define UPT_RESTART_SYSCALL(r) (UPT_IP(r) -= 2) -#define UPT_SET_SYSCALL_RETURN(r, res) (UPT_AX(r) = (res)) +#define PT_REGS_SET_SYSCALL_RETURN(r, res) (PT_REGS_AX(r) = (res)) -static inline long regs_return_value(struct uml_pt_regs *regs) +static inline long regs_return_value(struct pt_regs *regs) { - return UPT_AX(regs); + return PT_REGS_AX(regs); } #endif /* __UM_X86_PTRACE_H */ diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig index 8a3f835..8ed64cf 100644 --- a/arch/xtensa/Kconfig +++ b/arch/xtensa/Kconfig @@ -7,6 +7,7 @@ config ZONE_DMA config XTENSA def_bool y select HAVE_IDE + select GENERIC_ATOMIC64 select HAVE_GENERIC_HARDIRQS select GENERIC_IRQ_SHOW select GENERIC_CPU_DEVICES diff --git a/arch/xtensa/include/asm/cpumask.h b/arch/xtensa/include/asm/cpumask.h deleted file mode 100644 index ebeede3..0000000 --- a/arch/xtensa/include/asm/cpumask.h +++ /dev/null @@ -1,16 +0,0 @@ -/* - * include/asm-xtensa/cpumask.h - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Copyright (C) 2001 - 2005 Tensilica Inc. - */ - -#ifndef _XTENSA_CPUMASK_H -#define _XTENSA_CPUMASK_H - -#include <asm-generic/cpumask.h> - -#endif /* _XTENSA_CPUMASK_H */ diff --git a/arch/xtensa/include/asm/rmap.h b/arch/xtensa/include/asm/rmap.h deleted file mode 100644 index 649588b..0000000 --- a/arch/xtensa/include/asm/rmap.h +++ /dev/null @@ -1,16 +0,0 @@ -/* - * include/asm-xtensa/rmap.h - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Copyright (C) 2001 - 2005 Tensilica Inc. - */ - -#ifndef _XTENSA_RMAP_H -#define _XTENSA_RMAP_H - -#include <asm-generic/rmap.h> - -#endif diff --git a/arch/xtensa/kernel/syscall.c b/arch/xtensa/kernel/syscall.c index 816e6d0..05b3f09 100644 --- a/arch/xtensa/kernel/syscall.c +++ b/arch/xtensa/kernel/syscall.c @@ -44,7 +44,7 @@ asmlinkage long xtensa_shmat(int shmid, char __user *shmaddr, int shmflg) unsigned long ret; long err; - err = do_shmat(shmid, shmaddr, shmflg, &ret); + err = do_shmat(shmid, shmaddr, shmflg, &ret, SHMLBA); if (err) return err; return (long)ret; diff --git a/arch/xtensa/mm/fault.c b/arch/xtensa/mm/fault.c index b17885a..5a74c53 100644 --- a/arch/xtensa/mm/fault.c +++ b/arch/xtensa/mm/fault.c @@ -44,6 +44,7 @@ void do_page_fault(struct pt_regs *regs) int is_write, is_exec; int fault; + unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE; info.si_code = SEGV_MAPERR; @@ -71,6 +72,7 @@ void do_page_fault(struct pt_regs *regs) address, exccause, regs->pc, is_write? "w":"", is_exec? "x":""); #endif +retry: down_read(&mm->mmap_sem); vma = find_vma(mm, address); @@ -93,6 +95,7 @@ good_area: if (is_write) { if (!(vma->vm_flags & VM_WRITE)) goto bad_area; + flags |= FAULT_FLAG_WRITE; } else if (is_exec) { if (!(vma->vm_flags & VM_EXEC)) goto bad_area; @@ -104,7 +107,11 @@ good_area: * make sure we exit gracefully rather than endlessly redo * the fault. */ - fault = handle_mm_fault(mm, vma, address, is_write ? FAULT_FLAG_WRITE : 0); + fault = handle_mm_fault(mm, vma, address, flags); + + if ((fault & VM_FAULT_RETRY) && fatal_signal_pending(current)) + return; + if (unlikely(fault & VM_FAULT_ERROR)) { if (fault & VM_FAULT_OOM) goto out_of_memory; @@ -112,10 +119,22 @@ good_area: goto do_sigbus; BUG(); } - if (fault & VM_FAULT_MAJOR) - current->maj_flt++; - else - current->min_flt++; + if (flags & FAULT_FLAG_ALLOW_RETRY) { + if (fault & VM_FAULT_MAJOR) + current->maj_flt++; + else + current->min_flt++; + if (fault & VM_FAULT_RETRY) { + flags &= ~FAULT_FLAG_ALLOW_RETRY; + + /* No need to up_read(&mm->mmap_sem) as we would + * have already released it in __lock_page_or_retry + * in mm/filemap.c. + */ + + goto retry; + } + } up_read(&mm->mmap_sem); return; |
