diff options
Diffstat (limited to 'arch/m68k')
61 files changed, 1983 insertions, 4649 deletions
diff --git a/arch/m68k/Kconfig.cpu b/arch/m68k/Kconfig.cpu index 8a9c767..51b3274 100644 --- a/arch/m68k/Kconfig.cpu +++ b/arch/m68k/Kconfig.cpu @@ -7,7 +7,7 @@ choice help The Freescale (was Motorola) M68K family of processors implements the full 68000 processor instruction set. - The Freescale ColdFire family of processors is a modern derivitive + The Freescale ColdFire family of processors is a modern derivative of the 68000 processor family. They are mainly targeted at embedded applications, and are all System-On-Chip (SOC) devices, as opposed to stand alone CPUs. They implement a subset of the original 68000 diff --git a/arch/m68k/Makefile b/arch/m68k/Makefile index cf318f2..b7f2e2d 100644 --- a/arch/m68k/Makefile +++ b/arch/m68k/Makefile @@ -16,6 +16,13 @@ KBUILD_DEFCONFIG := multi_defconfig +ifneq ($(SUBARCH),$(ARCH)) + ifeq ($(CROSS_COMPILE),) + CROSS_COMPILE := $(call cc-cross-prefix, \ + m68k-linux-gnu- m68k-linux- m68k-unknown-linux-gnu-) + endif +endif + # # Enable processor type. Ordering of these is important - we want to # use the minimum processor type of the range we support. The logic @@ -62,12 +69,6 @@ endif LDFLAGS := -m m68kelf KBUILD_LDFLAGS_MODULE += -T $(srctree)/arch/m68k/kernel/module.lds -ifneq ($(SUBARCH),$(ARCH)) - ifeq ($(CROSS_COMPILE),) - CROSS_COMPILE := $(call cc-cross-prefix, \ - m68k-linux-gnu- m68k-linux- m68k-unknown-linux-gnu-) - endif -endif ifdef CONFIG_SUN3 LDFLAGS_vmlinux = -N @@ -115,18 +116,6 @@ core-$(CONFIG_M68000) += arch/m68k/platform/68328/ core-$(CONFIG_M68EZ328) += arch/m68k/platform/68EZ328/ core-$(CONFIG_M68VZ328) += arch/m68k/platform/68VZ328/ core-$(CONFIG_COLDFIRE) += arch/m68k/platform/coldfire/ -core-$(CONFIG_M5206) += arch/m68k/platform/5206/ -core-$(CONFIG_M5206e) += arch/m68k/platform/5206/ -core-$(CONFIG_M520x) += arch/m68k/platform/520x/ -core-$(CONFIG_M523x) += arch/m68k/platform/523x/ -core-$(CONFIG_M5249) += arch/m68k/platform/5249/ -core-$(CONFIG_M527x) += arch/m68k/platform/527x/ -core-$(CONFIG_M5272) += arch/m68k/platform/5272/ -core-$(CONFIG_M528x) += arch/m68k/platform/528x/ -core-$(CONFIG_M5307) += arch/m68k/platform/5307/ -core-$(CONFIG_M532x) += arch/m68k/platform/532x/ -core-$(CONFIG_M5407) += arch/m68k/platform/5407/ -core-$(CONFIG_M54xx) += arch/m68k/platform/54xx/ all: zImage diff --git a/arch/m68k/amiga/platform.c b/arch/m68k/amiga/platform.c index 7fd8b41..80076d3 100644 --- a/arch/m68k/amiga/platform.c +++ b/arch/m68k/amiga/platform.c @@ -6,6 +6,7 @@ * for more details. */ +#include <linux/err.h> #include <linux/init.h> #include <linux/platform_device.h> #include <linux/zorro.h> @@ -46,18 +47,25 @@ static const struct resource zorro_resources[] __initconst = { static int __init amiga_init_bus(void) { + struct platform_device *pdev; + unsigned int n; + if (!MACH_IS_AMIGA || !AMIGAHW_PRESENT(ZORRO)) return -ENODEV; - platform_device_register_simple("amiga-zorro", -1, zorro_resources, - AMIGAHW_PRESENT(ZORRO3) ? 4 : 2); + n = AMIGAHW_PRESENT(ZORRO3) ? 4 : 2; + pdev = platform_device_register_simple("amiga-zorro", -1, + zorro_resources, n); + if (IS_ERR(pdev)) + return PTR_ERR(pdev); + return 0; } subsys_initcall(amiga_init_bus); -static int z_dev_present(zorro_id id) +static int __init z_dev_present(zorro_id id) { unsigned int i; @@ -126,72 +134,122 @@ static const struct resource amiga_rtc_resource __initconst = { static int __init amiga_init_devices(void) { struct platform_device *pdev; + int error; if (!MACH_IS_AMIGA) return -ENODEV; /* video hardware */ - if (AMIGAHW_PRESENT(AMI_VIDEO)) - platform_device_register_simple("amiga-video", -1, NULL, 0); + if (AMIGAHW_PRESENT(AMI_VIDEO)) { + pdev = platform_device_register_simple("amiga-video", -1, NULL, + 0); + if (IS_ERR(pdev)) + return PTR_ERR(pdev); + } /* sound hardware */ - if (AMIGAHW_PRESENT(AMI_AUDIO)) - platform_device_register_simple("amiga-audio", -1, NULL, 0); + if (AMIGAHW_PRESENT(AMI_AUDIO)) { + pdev = platform_device_register_simple("amiga-audio", -1, NULL, + 0); + if (IS_ERR(pdev)) + return PTR_ERR(pdev); + } /* storage interfaces */ - if (AMIGAHW_PRESENT(AMI_FLOPPY)) - platform_device_register_simple("amiga-floppy", -1, NULL, 0); + if (AMIGAHW_PRESENT(AMI_FLOPPY)) { + pdev = platform_device_register_simple("amiga-floppy", -1, + NULL, 0); + if (IS_ERR(pdev)) + return PTR_ERR(pdev); + } - if (AMIGAHW_PRESENT(A3000_SCSI)) - platform_device_register_simple("amiga-a3000-scsi", -1, - &a3000_scsi_resource, 1); + if (AMIGAHW_PRESENT(A3000_SCSI)) { + pdev = platform_device_register_simple("amiga-a3000-scsi", -1, + &a3000_scsi_resource, 1); + if (IS_ERR(pdev)) + return PTR_ERR(pdev); + } - if (AMIGAHW_PRESENT(A4000_SCSI)) - platform_device_register_simple("amiga-a4000t-scsi", -1, - &a4000t_scsi_resource, 1); + if (AMIGAHW_PRESENT(A4000_SCSI)) { + pdev = platform_device_register_simple("amiga-a4000t-scsi", -1, + &a4000t_scsi_resource, + 1); + if (IS_ERR(pdev)) + return PTR_ERR(pdev); + } if (AMIGAHW_PRESENT(A1200_IDE) || z_dev_present(ZORRO_PROD_MTEC_VIPER_MK_V_E_MATRIX_530_SCSI_IDE)) { pdev = platform_device_register_simple("amiga-gayle-ide", -1, &a1200_ide_resource, 1); - platform_device_add_data(pdev, &a1200_ide_pdata, - sizeof(a1200_ide_pdata)); + if (IS_ERR(pdev)) + return PTR_ERR(pdev); + error = platform_device_add_data(pdev, &a1200_ide_pdata, + sizeof(a1200_ide_pdata)); + if (error) + return error; } if (AMIGAHW_PRESENT(A4000_IDE)) { pdev = platform_device_register_simple("amiga-gayle-ide", -1, &a4000_ide_resource, 1); - platform_device_add_data(pdev, &a4000_ide_pdata, - sizeof(a4000_ide_pdata)); + if (IS_ERR(pdev)) + return PTR_ERR(pdev); + error = platform_device_add_data(pdev, &a4000_ide_pdata, + sizeof(a4000_ide_pdata)); + if (error) + return error; } /* other I/O hardware */ - if (AMIGAHW_PRESENT(AMI_KEYBOARD)) - platform_device_register_simple("amiga-keyboard", -1, NULL, 0); + if (AMIGAHW_PRESENT(AMI_KEYBOARD)) { + pdev = platform_device_register_simple("amiga-keyboard", -1, + NULL, 0); + if (IS_ERR(pdev)) + return PTR_ERR(pdev); + } - if (AMIGAHW_PRESENT(AMI_MOUSE)) - platform_device_register_simple("amiga-mouse", -1, NULL, 0); + if (AMIGAHW_PRESENT(AMI_MOUSE)) { + pdev = platform_device_register_simple("amiga-mouse", -1, NULL, + 0); + if (IS_ERR(pdev)) + return PTR_ERR(pdev); + } - if (AMIGAHW_PRESENT(AMI_SERIAL)) - platform_device_register_simple("amiga-serial", -1, NULL, 0); + if (AMIGAHW_PRESENT(AMI_SERIAL)) { + pdev = platform_device_register_simple("amiga-serial", -1, + NULL, 0); + if (IS_ERR(pdev)) + return PTR_ERR(pdev); + } - if (AMIGAHW_PRESENT(AMI_PARALLEL)) - platform_device_register_simple("amiga-parallel", -1, NULL, 0); + if (AMIGAHW_PRESENT(AMI_PARALLEL)) { + pdev = platform_device_register_simple("amiga-parallel", -1, + NULL, 0); + if (IS_ERR(pdev)) + return PTR_ERR(pdev); + } /* real time clocks */ - if (AMIGAHW_PRESENT(A2000_CLK)) - platform_device_register_simple("rtc-msm6242", -1, - &amiga_rtc_resource, 1); + if (AMIGAHW_PRESENT(A2000_CLK)) { + pdev = platform_device_register_simple("rtc-msm6242", -1, + &amiga_rtc_resource, 1); + if (IS_ERR(pdev)) + return PTR_ERR(pdev); + } - if (AMIGAHW_PRESENT(A3000_CLK)) - platform_device_register_simple("rtc-rp5c01", -1, - &amiga_rtc_resource, 1); + if (AMIGAHW_PRESENT(A3000_CLK)) { + pdev = platform_device_register_simple("rtc-rp5c01", -1, + &amiga_rtc_resource, 1); + if (IS_ERR(pdev)) + return PTR_ERR(pdev); + } return 0; } -device_initcall(amiga_init_devices); +arch_initcall(amiga_init_devices); diff --git a/arch/m68k/atari/ataints.c b/arch/m68k/atari/ataints.c index 783d8f0..3f41092 100644 --- a/arch/m68k/atari/ataints.c +++ b/arch/m68k/atari/ataints.c @@ -206,7 +206,7 @@ void __init atari_init_IRQ(void) * hardware with a programmable int vector (probably a VME board). */ -unsigned long atari_register_vme_int(void) +unsigned int atari_register_vme_int(void) { int i; @@ -223,7 +223,7 @@ unsigned long atari_register_vme_int(void) EXPORT_SYMBOL(atari_register_vme_int); -void atari_unregister_vme_int(unsigned long irq) +void atari_unregister_vme_int(unsigned int irq) { if (irq >= VME_SOURCE_BASE && irq < VME_SOURCE_BASE + VME_MAX_SOURCES) { irq -= VME_SOURCE_BASE; diff --git a/arch/m68k/configs/m5475evb_defconfig b/arch/m68k/configs/m5475evb_defconfig new file mode 100644 index 0000000..c5018a6 --- /dev/null +++ b/arch/m68k/configs/m5475evb_defconfig @@ -0,0 +1,62 @@ +CONFIG_EXPERIMENTAL=y +# CONFIG_SWAP is not set +CONFIG_LOG_BUF_SHIFT=14 +CONFIG_SYSFS_DEPRECATED=y +CONFIG_SYSFS_DEPRECATED_V2=y +CONFIG_SYSCTL_SYSCALL=y +# CONFIG_KALLSYMS is not set +# CONFIG_HOTPLUG is not set +# CONFIG_FUTEX is not set +# CONFIG_EPOLL is not set +# CONFIG_SIGNALFD is not set +# CONFIG_TIMERFD is not set +# CONFIG_EVENTFD is not set +# CONFIG_SHMEM is not set +# CONFIG_AIO is not set +CONFIG_EMBEDDED=y +CONFIG_MODULES=y +# CONFIG_LBDAF is not set +# CONFIG_BLK_DEV_BSG is not set +# CONFIG_IOSCHED_DEADLINE is not set +# CONFIG_IOSCHED_CFQ is not set +CONFIG_COLDFIRE=y +CONFIG_M547x=y +CONFIG_CLOCK_SET=y +CONFIG_CLOCK_FREQ=266000000 +# CONFIG_4KSTACKS is not set +CONFIG_RAMBASE=0x0 +CONFIG_RAMSIZE=0x2000000 +CONFIG_VECTORBASE=0x0 +CONFIG_MBAR=0xff000000 +CONFIG_KERNELBASE=0x20000 +# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set +# CONFIG_FW_LOADER is not set +CONFIG_MTD=y +CONFIG_MTD_CHAR=y +CONFIG_MTD_BLOCK=y +CONFIG_MTD_CFI=y +CONFIG_MTD_JEDECPROBE=y +CONFIG_MTD_CFI_AMDSTD=y +CONFIG_MTD_RAM=y +CONFIG_MTD_PHYSMAP=y +CONFIG_MTD_UCLINUX=y +CONFIG_BLK_DEV_RAM=y +# CONFIG_INPUT is not set +# CONFIG_VT is not set +# CONFIG_UNIX98_PTYS is not set +CONFIG_SERIAL_MCF=y +CONFIG_SERIAL_MCF_CONSOLE=y +# CONFIG_HW_RANDOM is not set +# CONFIG_HWMON is not set +# CONFIG_USB_SUPPORT is not set +# CONFIG_IOMMU_SUPPORT is not set +CONFIG_EXT2_FS=y +# CONFIG_FILE_LOCKING is not set +# CONFIG_DNOTIFY is not set +# CONFIG_INOTIFY_USER is not set +# CONFIG_PROC_PAGE_MONITOR is not set +CONFIG_ROMFS_FS=y +CONFIG_ROMFS_BACKED_BY_MTD=y +# CONFIG_SCHED_DEBUG is not set +CONFIG_BOOTPARAM=y +CONFIG_BOOTPARAM_STRING="root=/dev/mtdblock0" diff --git a/arch/m68k/include/asm/atariints.h b/arch/m68k/include/asm/atariints.h index 656bbbf..5fc13bd 100644 --- a/arch/m68k/include/asm/atariints.h +++ b/arch/m68k/include/asm/atariints.h @@ -198,7 +198,7 @@ static inline int atari_irq_pending( unsigned irq ) return( get_mfp_bit( irq, MFP_PENDING ) ); } -unsigned long atari_register_vme_int( void ); -void atari_unregister_vme_int( unsigned long ); +unsigned int atari_register_vme_int(void); +void atari_unregister_vme_int(unsigned int); #endif /* linux/atariints.h */ diff --git a/arch/m68k/include/asm/cacheflush_no.h b/arch/m68k/include/asm/cacheflush_no.h index cb88aa9..7cafb53 100644 --- a/arch/m68k/include/asm/cacheflush_no.h +++ b/arch/m68k/include/asm/cacheflush_no.h @@ -30,11 +30,8 @@ void mcf_cache_push(void); -static inline void __flush_cache_all(void) +static inline void __clear_cache_all(void) { -#ifdef CACHE_PUSH - mcf_cache_push(); -#endif #ifdef CACHE_INVALIDATE __asm__ __volatile__ ( "movel %0, %%d0\n\t" @@ -44,6 +41,14 @@ static inline void __flush_cache_all(void) #endif } +static inline void __flush_cache_all(void) +{ +#ifdef CACHE_PUSH + mcf_cache_push(); +#endif + __clear_cache_all(); +} + /* * Some ColdFire parts implement separate instruction and data caches, * on those we should just flush the appropriate cache. If we don't need @@ -76,4 +81,23 @@ static inline void __flush_dcache_all(void) __asm__ __volatile__ ( "nop" ); #endif } + +/* + * Push cache entries at supplied address. We want to write back any dirty + * data and the invalidate the cache lines associated with this address. + */ +static inline void cache_push(unsigned long paddr, int len) +{ + __flush_cache_all(); +} + +/* + * Clear cache entries at supplied address (that is don't write back any + * dirty data). + */ +static inline void cache_clear(unsigned long paddr, int len) +{ + __clear_cache_all(); +} + #endif /* _M68KNOMMU_CACHEFLUSH_H */ diff --git a/arch/m68k/include/asm/entry.h b/arch/m68k/include/asm/entry.h index 622138d..d7de0f1 100644 --- a/arch/m68k/include/asm/entry.h +++ b/arch/m68k/include/asm/entry.h @@ -33,13 +33,11 @@ /* the following macro is used when enabling interrupts */ #if defined(MACH_ATARI_ONLY) - /* block out HSYNC on the atari */ -#define ALLOWINT (~0x400) -#define MAX_NOINT_IPL 3 + /* block out HSYNC = ipl 2 on the atari */ +#define ALLOWINT (~0x500) #else /* portable version */ #define ALLOWINT (~0x700) -#define MAX_NOINT_IPL 0 #endif /* machine compilation types */ #ifdef __ASSEMBLY__ diff --git a/arch/m68k/include/asm/flat.h b/arch/m68k/include/asm/flat.h index a0e2907..f9454b8 100644 --- a/arch/m68k/include/asm/flat.h +++ b/arch/m68k/include/asm/flat.h @@ -11,6 +11,11 @@ #define flat_get_addr_from_rp(rp, relval, flags, p) get_unaligned(rp) #define flat_put_addr_at_rp(rp, val, relval) put_unaligned(val,rp) #define flat_get_relocate_addr(rel) (rel) -#define flat_set_persistent(relval, p) 0 + +static inline int flat_set_persistent(unsigned long relval, + unsigned long *persistent) +{ + return 0; +} #endif /* __M68KNOMMU_FLAT_H__ */ diff --git a/arch/m68k/include/asm/io_mm.h b/arch/m68k/include/asm/io_mm.h index 0fb3468..fa4324b 100644 --- a/arch/m68k/include/asm/io_mm.h +++ b/arch/m68k/include/asm/io_mm.h @@ -278,6 +278,13 @@ static inline void isa_delay(void) #define readl(addr) in_le32(addr) #define writel(val,addr) out_le32((addr),(val)) +#define readsb(port, buf, nr) raw_insb((port), (u8 *)(buf), (nr)) +#define readsw(port, buf, nr) raw_insw((port), (u16 *)(buf), (nr)) +#define readsl(port, buf, nr) raw_insl((port), (u32 *)(buf), (nr)) +#define writesb(port, buf, nr) raw_outsb((port), (u8 *)(buf), (nr)) +#define writesw(port, buf, nr) raw_outsw((port), (u16 *)(buf), (nr)) +#define writesl(port, buf, nr) raw_outsl((port), (u32 *)(buf), (nr)) + #define mmiowb() static inline void __iomem *ioremap(unsigned long physaddr, unsigned long size) diff --git a/arch/m68k/include/asm/m528xsim.h b/arch/m68k/include/asm/m528xsim.h index 569476f..d63b99f 100644 --- a/arch/m68k/include/asm/m528xsim.h +++ b/arch/m68k/include/asm/m528xsim.h @@ -97,100 +97,81 @@ /* * GPIO registers */ -#define MCFGPIO_PORTA (MCF_IPSBAR + 0x00100000) -#define MCFGPIO_PORTB (MCF_IPSBAR + 0x00100001) -#define MCFGPIO_PORTC (MCF_IPSBAR + 0x00100002) -#define MCFGPIO_PORTD (MCF_IPSBAR + 0x00100003) -#define MCFGPIO_PORTE (MCF_IPSBAR + 0x00100004) -#define MCFGPIO_PORTF (MCF_IPSBAR + 0x00100005) -#define MCFGPIO_PORTG (MCF_IPSBAR + 0x00100006) -#define MCFGPIO_PORTH (MCF_IPSBAR + 0x00100007) -#define MCFGPIO_PORTJ (MCF_IPSBAR + 0x00100008) -#define MCFGPIO_PORTDD (MCF_IPSBAR + 0x00100009) -#define MCFGPIO_PORTEH (MCF_IPSBAR + 0x0010000A) -#define MCFGPIO_PORTEL (MCF_IPSBAR + 0x0010000B) -#define MCFGPIO_PORTAS (MCF_IPSBAR + 0x0010000C) -#define MCFGPIO_PORTQS (MCF_IPSBAR + 0x0010000D) -#define MCFGPIO_PORTSD (MCF_IPSBAR + 0x0010000E) -#define MCFGPIO_PORTTC (MCF_IPSBAR + 0x0010000F) -#define MCFGPIO_PORTTD (MCF_IPSBAR + 0x00100010) -#define MCFGPIO_PORTUA (MCF_IPSBAR + 0x00100011) - -#define MCFGPIO_DDRA (MCF_IPSBAR + 0x00100014) -#define MCFGPIO_DDRB (MCF_IPSBAR + 0x00100015) -#define MCFGPIO_DDRC (MCF_IPSBAR + 0x00100016) -#define MCFGPIO_DDRD (MCF_IPSBAR + 0x00100017) -#define MCFGPIO_DDRE (MCF_IPSBAR + 0x00100018) -#define MCFGPIO_DDRF (MCF_IPSBAR + 0x00100019) -#define MCFGPIO_DDRG (MCF_IPSBAR + 0x0010001A) -#define MCFGPIO_DDRH (MCF_IPSBAR + 0x0010001B) -#define MCFGPIO_DDRJ (MCF_IPSBAR + 0x0010001C) -#define MCFGPIO_DDRDD (MCF_IPSBAR + 0x0010001D) -#define MCFGPIO_DDREH (MCF_IPSBAR + 0x0010001E) -#define MCFGPIO_DDREL (MCF_IPSBAR + 0x0010001F) -#define MCFGPIO_DDRAS (MCF_IPSBAR + 0x00100020) -#define MCFGPIO_DDRQS (MCF_IPSBAR + 0x00100021) -#define MCFGPIO_DDRSD (MCF_IPSBAR + 0x00100022) -#define MCFGPIO_DDRTC (MCF_IPSBAR + 0x00100023) -#define MCFGPIO_DDRTD (MCF_IPSBAR + 0x00100024) -#define MCFGPIO_DDRUA (MCF_IPSBAR + 0x00100025) - -#define MCFGPIO_PORTAP (MCF_IPSBAR + 0x00100028) -#define MCFGPIO_PORTBP (MCF_IPSBAR + 0x00100029) -#define MCFGPIO_PORTCP (MCF_IPSBAR + 0x0010002A) -#define MCFGPIO_PORTDP (MCF_IPSBAR + 0x0010002B) -#define MCFGPIO_PORTEP (MCF_IPSBAR + 0x0010002C) -#define MCFGPIO_PORTFP (MCF_IPSBAR + 0x0010002D) -#define MCFGPIO_PORTGP (MCF_IPSBAR + 0x0010002E) -#define MCFGPIO_PORTHP (MCF_IPSBAR + 0x0010002F) -#define MCFGPIO_PORTJP (MCF_IPSBAR + 0x00100030) -#define MCFGPIO_PORTDDP (MCF_IPSBAR + 0x00100031) -#define MCFGPIO_PORTEHP (MCF_IPSBAR + 0x00100032) -#define MCFGPIO_PORTELP (MCF_IPSBAR + 0x00100033) -#define MCFGPIO_PORTASP (MCF_IPSBAR + 0x00100034) -#define MCFGPIO_PORTQSP (MCF_IPSBAR + 0x00100035) -#define MCFGPIO_PORTSDP (MCF_IPSBAR + 0x00100036) -#define MCFGPIO_PORTTCP (MCF_IPSBAR + 0x00100037) -#define MCFGPIO_PORTTDP (MCF_IPSBAR + 0x00100038) -#define MCFGPIO_PORTUAP (MCF_IPSBAR + 0x00100039) - -#define MCFGPIO_SETA (MCF_IPSBAR + 0x00100028) -#define MCFGPIO_SETB (MCF_IPSBAR + 0x00100029) -#define MCFGPIO_SETC (MCF_IPSBAR + 0x0010002A) -#define MCFGPIO_SETD (MCF_IPSBAR + 0x0010002B) -#define MCFGPIO_SETE (MCF_IPSBAR + 0x0010002C) -#define MCFGPIO_SETF (MCF_IPSBAR + 0x0010002D) -#define MCFGPIO_SETG (MCF_IPSBAR + 0x0010002E) -#define MCFGPIO_SETH (MCF_IPSBAR + 0x0010002F) -#define MCFGPIO_SETJ (MCF_IPSBAR + 0x00100030) -#define MCFGPIO_SETDD (MCF_IPSBAR + 0x00100031) -#define MCFGPIO_SETEH (MCF_IPSBAR + 0x00100032) -#define MCFGPIO_SETEL (MCF_IPSBAR + 0x00100033) -#define MCFGPIO_SETAS (MCF_IPSBAR + 0x00100034) -#define MCFGPIO_SETQS (MCF_IPSBAR + 0x00100035) -#define MCFGPIO_SETSD (MCF_IPSBAR + 0x00100036) -#define MCFGPIO_SETTC (MCF_IPSBAR + 0x00100037) -#define MCFGPIO_SETTD (MCF_IPSBAR + 0x00100038) -#define MCFGPIO_SETUA (MCF_IPSBAR + 0x00100039) - -#define MCFGPIO_CLRA (MCF_IPSBAR + 0x0010003C) -#define MCFGPIO_CLRB (MCF_IPSBAR + 0x0010003D) -#define MCFGPIO_CLRC (MCF_IPSBAR + 0x0010003E) -#define MCFGPIO_CLRD (MCF_IPSBAR + 0x0010003F) -#define MCFGPIO_CLRE (MCF_IPSBAR + 0x00100040) -#define MCFGPIO_CLRF (MCF_IPSBAR + 0x00100041) -#define MCFGPIO_CLRG (MCF_IPSBAR + 0x00100042) -#define MCFGPIO_CLRH (MCF_IPSBAR + 0x00100043) -#define MCFGPIO_CLRJ (MCF_IPSBAR + 0x00100044) -#define MCFGPIO_CLRDD (MCF_IPSBAR + 0x00100045) -#define MCFGPIO_CLREH (MCF_IPSBAR + 0x00100046) -#define MCFGPIO_CLREL (MCF_IPSBAR + 0x00100047) -#define MCFGPIO_CLRAS (MCF_IPSBAR + 0x00100048) -#define MCFGPIO_CLRQS (MCF_IPSBAR + 0x00100049) -#define MCFGPIO_CLRSD (MCF_IPSBAR + 0x0010004A) -#define MCFGPIO_CLRTC (MCF_IPSBAR + 0x0010004B) -#define MCFGPIO_CLRTD (MCF_IPSBAR + 0x0010004C) -#define MCFGPIO_CLRUA (MCF_IPSBAR + 0x0010004D) +#define MCFGPIO_PODR_A (MCF_IPSBAR + 0x00100000) +#define MCFGPIO_PODR_B (MCF_IPSBAR + 0x00100001) +#define MCFGPIO_PODR_C (MCF_IPSBAR + 0x00100002) +#define MCFGPIO_PODR_D (MCF_IPSBAR + 0x00100003) +#define MCFGPIO_PODR_E (MCF_IPSBAR + 0x00100004) +#define MCFGPIO_PODR_F (MCF_IPSBAR + 0x00100005) +#define MCFGPIO_PODR_G (MCF_IPSBAR + 0x00100006) +#define MCFGPIO_PODR_H (MCF_IPSBAR + 0x00100007) +#define MCFGPIO_PODR_J (MCF_IPSBAR + 0x00100008) +#define MCFGPIO_PODR_DD (MCF_IPSBAR + 0x00100009) +#define MCFGPIO_PODR_EH (MCF_IPSBAR + 0x0010000A) +#define MCFGPIO_PODR_EL (MCF_IPSBAR + 0x0010000B) +#define MCFGPIO_PODR_AS (MCF_IPSBAR + 0x0010000C) +#define MCFGPIO_PODR_QS (MCF_IPSBAR + 0x0010000D) +#define MCFGPIO_PODR_SD (MCF_IPSBAR + 0x0010000E) +#define MCFGPIO_PODR_TC (MCF_IPSBAR + 0x0010000F) +#define MCFGPIO_PODR_TD (MCF_IPSBAR + 0x00100010) +#define MCFGPIO_PODR_UA (MCF_IPSBAR + 0x00100011) + +#define MCFGPIO_PDDR_A (MCF_IPSBAR + 0x00100014) +#define MCFGPIO_PDDR_B (MCF_IPSBAR + 0x00100015) +#define MCFGPIO_PDDR_C (MCF_IPSBAR + 0x00100016) +#define MCFGPIO_PDDR_D (MCF_IPSBAR + 0x00100017) +#define MCFGPIO_PDDR_E (MCF_IPSBAR + 0x00100018) +#define MCFGPIO_PDDR_F (MCF_IPSBAR + 0x00100019) +#define MCFGPIO_PDDR_G (MCF_IPSBAR + 0x0010001A) +#define MCFGPIO_PDDR_H (MCF_IPSBAR + 0x0010001B) +#define MCFGPIO_PDDR_J (MCF_IPSBAR + 0x0010001C) +#define MCFGPIO_PDDR_DD (MCF_IPSBAR + 0x0010001D) +#define MCFGPIO_PDDR_EH (MCF_IPSBAR + 0x0010001E) +#define MCFGPIO_PDDR_EL (MCF_IPSBAR + 0x0010001F) +#define MCFGPIO_PDDR_AS (MCF_IPSBAR + 0x00100020) +#define MCFGPIO_PDDR_QS (MCF_IPSBAR + 0x00100021) +#define MCFGPIO_PDDR_SD (MCF_IPSBAR + 0x00100022) +#define MCFGPIO_PDDR_TC (MCF_IPSBAR + 0x00100023) +#define MCFGPIO_PDDR_TD (MCF_IPSBAR + 0x00100024) +#define MCFGPIO_PDDR_UA (MCF_IPSBAR + 0x00100025) + +#define MCFGPIO_PPDSDR_A (MCF_IPSBAR + 0x00100028) +#define MCFGPIO_PPDSDR_B (MCF_IPSBAR + 0x00100029) +#define MCFGPIO_PPDSDR_C (MCF_IPSBAR + 0x0010002A) +#define MCFGPIO_PPDSDR_D (MCF_IPSBAR + 0x0010002B) +#define MCFGPIO_PPDSDR_E (MCF_IPSBAR + 0x0010002C) +#define MCFGPIO_PPDSDR_F (MCF_IPSBAR + 0x0010002D) +#define MCFGPIO_PPDSDR_G (MCF_IPSBAR + 0x0010002E) +#define MCFGPIO_PPDSDR_H (MCF_IPSBAR + 0x0010002F) +#define MCFGPIO_PPDSDR_J (MCF_IPSBAR + 0x00100030) +#define MCFGPIO_PPDSDR_DD (MCF_IPSBAR + 0x00100031) +#define MCFGPIO_PPDSDR_EH (MCF_IPSBAR + 0x00100032) +#define MCFGPIO_PPDSDR_EL (MCF_IPSBAR + 0x00100033) +#define MCFGPIO_PPDSDR_AS (MCF_IPSBAR + 0x00100034) +#define MCFGPIO_PPDSDR_QS (MCF_IPSBAR + 0x00100035) +#define MCFGPIO_PPDSDR_SD (MCF_IPSBAR + 0x00100036) +#define MCFGPIO_PPDSDR_TC (MCF_IPSBAR + 0x00100037) +#define MCFGPIO_PPDSDR_TD (MCF_IPSBAR + 0x00100038) +#define MCFGPIO_PPDSDR_UA (MCF_IPSBAR + 0x00100039) + +#define MCFGPIO_PCLRR_A (MCF_IPSBAR + 0x0010003C) +#define MCFGPIO_PCLRR_B (MCF_IPSBAR + 0x0010003D) +#define MCFGPIO_PCLRR_C (MCF_IPSBAR + 0x0010003E) +#define MCFGPIO_PCLRR_D (MCF_IPSBAR + 0x0010003F) +#define MCFGPIO_PCLRR_E (MCF_IPSBAR + 0x00100040) +#define MCFGPIO_PCLRR_F (MCF_IPSBAR + 0x00100041) +#define MCFGPIO_PCLRR_G (MCF_IPSBAR + 0x00100042) +#define MCFGPIO_PCLRR_H (MCF_IPSBAR + 0x00100043) +#define MCFGPIO_PCLRR_J (MCF_IPSBAR + 0x00100044) +#define MCFGPIO_PCLRR_DD (MCF_IPSBAR + 0x00100045) +#define MCFGPIO_PCLRR_EH (MCF_IPSBAR + 0x00100046) +#define MCFGPIO_PCLRR_EL (MCF_IPSBAR + 0x00100047) +#define MCFGPIO_PCLRR_AS (MCF_IPSBAR + 0x00100048) +#define MCFGPIO_PCLRR_QS (MCF_IPSBAR + 0x00100049) +#define MCFGPIO_PCLRR_SD (MCF_IPSBAR + 0x0010004A) +#define MCFGPIO_PCLRR_TC (MCF_IPSBAR + 0x0010004B) +#define MCFGPIO_PCLRR_TD (MCF_IPSBAR + 0x0010004C) +#define MCFGPIO_PCLRR_UA (MCF_IPSBAR + 0x0010004D) #define MCFGPIO_PBCDPAR (MCF_IPSBAR + 0x00100050) #define MCFGPIO_PFPAR (MCF_IPSBAR + 0x00100051) @@ -242,11 +223,11 @@ * definitions for generic gpio support * */ -#define MCFGPIO_PODR MCFGPIO_PORTA /* port output data */ -#define MCFGPIO_PDDR MCFGPIO_DDRA /* port data direction */ -#define MCFGPIO_PPDR MCFGPIO_PORTAP /* port pin data */ -#define MCFGPIO_SETR MCFGPIO_SETA /* set output */ -#define MCFGPIO_CLRR MCFGPIO_CLRA /* clr output */ +#define MCFGPIO_PODR MCFGPIO_PODR_A /* port output data */ +#define MCFGPIO_PDDR MCFGPIO_PDDR_A /* port data direction */ +#define MCFGPIO_PPDR MCFGPIO_PPDSDR_A/* port pin data */ +#define MCFGPIO_SETR MCFGPIO_PPDSDR_A/* set output */ +#define MCFGPIO_CLRR MCFGPIO_PCLRR_A /* clr output */ #define MCFGPIO_IRQ_MAX 8 #define MCFGPIO_IRQ_VECBASE MCFINT_VECBASE diff --git a/arch/m68k/include/asm/mcfgpio.h b/arch/m68k/include/asm/mcfgpio.h index ee5e4cc..fe468ea 100644 --- a/arch/m68k/include/asm/mcfgpio.h +++ b/arch/m68k/include/asm/mcfgpio.h @@ -29,6 +29,9 @@ struct mcf_gpio_chip { const u8 *gpio_to_pinmux; }; +extern struct mcf_gpio_chip mcf_gpio_chips[]; +extern unsigned int mcf_gpio_chips_size; + int mcf_gpio_direction_input(struct gpio_chip *, unsigned); int mcf_gpio_get_value(struct gpio_chip *, unsigned); int mcf_gpio_direction_output(struct gpio_chip *, unsigned, int); @@ -37,4 +40,58 @@ void mcf_gpio_set_value_fast(struct gpio_chip *, unsigned, int); int mcf_gpio_request(struct gpio_chip *, unsigned); void mcf_gpio_free(struct gpio_chip *, unsigned); +/* + * Define macros to ease the pain of setting up the GPIO tables. There + * are two cases we need to deal with here, they cover all currently + * available ColdFire GPIO hardware. There are of course minor differences + * in the layout and number of bits in each ColdFire part, but the macros + * take all that in. + * + * Firstly is the conventional GPIO registers where we toggle individual + * bits in a register, preserving the other bits in the register. For + * lack of a better term I have called this the slow method. + */ +#define MCFGPS(mlabel, mbase, mngpio, mpddr, mpodr, mppdr) \ + { \ + .gpio_chip = { \ + .label = #mlabel, \ + .request = mcf_gpio_request, \ + .free = mcf_gpio_free, \ + .direction_input = mcf_gpio_direction_input, \ + .direction_output = mcf_gpio_direction_output,\ + .get = mcf_gpio_get_value, \ + .set = mcf_gpio_set_value, \ + .base = mbase, \ + .ngpio = mngpio, \ + }, \ + .pddr = (void __iomem *) mpddr, \ + .podr = (void __iomem *) mpodr, \ + .ppdr = (void __iomem *) mppdr, \ + } + +/* + * Secondly is the faster case, where we have set and clear registers + * that allow us to set or clear a bit with a single write, not having + * to worry about preserving other bits. + */ +#define MCFGPF(mlabel, mbase, mngpio) \ + { \ + .gpio_chip = { \ + .label = #mlabel, \ + .request = mcf_gpio_request, \ + .free = mcf_gpio_free, \ + .direction_input = mcf_gpio_direction_input, \ + .direction_output = mcf_gpio_direction_output,\ + .get = mcf_gpio_get_value, \ + .set = mcf_gpio_set_value_fast, \ + .base = mbase, \ + .ngpio = mngpio, \ + }, \ + .pddr = (void __iomem *) MCFGPIO_PDDR_##mlabel, \ + .podr = (void __iomem *) MCFGPIO_PODR_##mlabel, \ + .ppdr = (void __iomem *) MCFGPIO_PPDSDR_##mlabel, \ + .setr = (void __iomem *) MCFGPIO_PPDSDR_##mlabel, \ + .clrr = (void __iomem *) MCFGPIO_PCLRR_##mlabel, \ + } + #endif diff --git a/arch/m68k/include/asm/unaligned.h b/arch/m68k/include/asm/unaligned.h index 019caa7..f4043ae 100644 --- a/arch/m68k/include/asm/unaligned.h +++ b/arch/m68k/include/asm/unaligned.h @@ -2,7 +2,7 @@ #define _ASM_M68K_UNALIGNED_H -#ifdef CONFIG_COLDFIRE +#if defined(CONFIG_COLDFIRE) || defined(CONFIG_M68000) #include <linux/unaligned/be_struct.h> #include <linux/unaligned/le_byteshift.h> #include <linux/unaligned/generic.h> diff --git a/arch/m68k/include/asm/vga.h b/arch/m68k/include/asm/vga.h new file mode 100644 index 0000000..d3aa140 --- /dev/null +++ b/arch/m68k/include/asm/vga.h @@ -0,0 +1,27 @@ +#ifndef _ASM_M68K_VGA_H +#define _ASM_M68K_VGA_H + +#include <asm/raw_io.h> + +/* + * FIXME + * Ugh, we don't have PCI space, so map readb() and friends to use raw I/O + * accessors, which are identical to the z_*() Zorro bus accessors. + * This should make cirrusfb work again on Amiga + */ +#undef inb_p +#undef inw_p +#undef outb_p +#undef outw +#undef readb +#undef writeb +#undef writew +#define inb_p(port) 0 +#define inw_p(port) 0 +#define outb_p(port, val) do { } while (0) +#define outw(port, val) do { } while (0) +#define readb raw_inb +#define writeb raw_outb +#define writew raw_outw + +#endif /* _ASM_M68K_VGA_H */ diff --git a/arch/m68k/kernel/Makefile b/arch/m68k/kernel/Makefile index 40d29a78..5c7070e 100644 --- a/arch/m68k/kernel/Makefile +++ b/arch/m68k/kernel/Makefile @@ -13,7 +13,7 @@ extra-$(CONFIG_SUN3X) := head.o extra-$(CONFIG_SUN3) := sun3-head.o extra-y += vmlinux.lds -obj-y := entry.o init_task.o irq.o m68k_ksyms.o module.o process.o ptrace.o +obj-y := entry.o irq.o m68k_ksyms.o module.o process.o ptrace.o obj-y += setup.o signal.o sys_m68k.o syscalltable.o time.o traps.o obj-$(CONFIG_MMU_MOTOROLA) += ints.o vectors.o diff --git a/arch/m68k/kernel/dma.c b/arch/m68k/kernel/dma.c index 90e8cb72..f6daf6e 100644 --- a/arch/m68k/kernel/dma.c +++ b/arch/m68k/kernel/dma.c @@ -1,5 +1,164 @@ +/* + * 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. + */ + +#undef DEBUG + +#include <linux/dma-mapping.h> +#include <linux/device.h> +#include <linux/kernel.h> +#include <linux/scatterlist.h> +#include <linux/slab.h> +#include <linux/vmalloc.h> +#include <linux/export.h> + +#include <asm/pgalloc.h> + #ifdef CONFIG_MMU -#include "dma_mm.c" + +void *dma_alloc_coherent(struct device *dev, size_t size, + dma_addr_t *handle, gfp_t flag) +{ + struct page *page, **map; + pgprot_t pgprot; + void *addr; + int i, order; + + pr_debug("dma_alloc_coherent: %d,%x\n", size, flag); + + size = PAGE_ALIGN(size); + order = get_order(size); + + page = alloc_pages(flag, order); + if (!page) + return NULL; + + *handle = page_to_phys(page); + map = kmalloc(sizeof(struct page *) << order, flag & ~__GFP_DMA); + if (!map) { + __free_pages(page, order); + return NULL; + } + split_page(page, order); + + order = 1 << order; + size >>= PAGE_SHIFT; + map[0] = page; + for (i = 1; i < size; i++) + map[i] = page + i; + for (; i < order; i++) + __free_page(page + i); + pgprot = __pgprot(_PAGE_PRESENT | _PAGE_ACCESSED | _PAGE_DIRTY); + if (CPU_IS_040_OR_060) + pgprot_val(pgprot) |= _PAGE_GLOBAL040 | _PAGE_NOCACHE_S; + else + pgprot_val(pgprot) |= _PAGE_NOCACHE030; + addr = vmap(map, size, VM_MAP, pgprot); + kfree(map); + + return addr; +} + +void dma_free_coherent(struct device *dev, size_t size, + void *addr, dma_addr_t handle) +{ + pr_debug("dma_free_coherent: %p, %x\n", addr, handle); + vfree(addr); +} + #else -#include "dma_no.c" -#endif + +#include <asm/cacheflush.h> + +void *dma_alloc_coherent(struct device *dev, size_t size, + dma_addr_t *dma_handle, gfp_t gfp) +{ + void *ret; + /* ignore region specifiers */ + gfp &= ~(__GFP_DMA | __GFP_HIGHMEM); + + if (dev == NULL || (*dev->dma_mask < 0xffffffff)) + gfp |= GFP_DMA; + ret = (void *)__get_free_pages(gfp, get_order(size)); + + if (ret != NULL) { + memset(ret, 0, size); + *dma_handle = virt_to_phys(ret); + } + return ret; +} + +void dma_free_coherent(struct device *dev, size_t size, + void *vaddr, dma_addr_t dma_handle) +{ + free_pages((unsigned long)vaddr, get_order(size)); +} + +#endif /* CONFIG_MMU */ + +EXPORT_SYMBOL(dma_alloc_coherent); +EXPORT_SYMBOL(dma_free_coherent); + +void dma_sync_single_for_device(struct device *dev, dma_addr_t handle, + size_t size, enum dma_data_direction dir) +{ + switch (dir) { + case DMA_TO_DEVICE: + cache_push(handle, size); + break; + case DMA_FROM_DEVICE: + cache_clear(handle, size); + break; + default: + if (printk_ratelimit()) + printk("dma_sync_single_for_device: unsupported dir %u\n", dir); + break; + } +} +EXPORT_SYMBOL(dma_sync_single_for_device); + +void dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg, int nents, + enum dma_data_direction dir) +{ + int i; + + for (i = 0; i < nents; sg++, i++) + dma_sync_single_for_device(dev, sg->dma_address, sg->length, dir); +} +EXPORT_SYMBOL(dma_sync_sg_for_device); + +dma_addr_t dma_map_single(struct device *dev, void *addr, size_t size, + enum dma_data_direction dir) +{ + dma_addr_t handle = virt_to_bus(addr); + + dma_sync_single_for_device(dev, handle, size, dir); + return handle; +} +EXPORT_SYMBOL(dma_map_single); + +dma_addr_t dma_map_page(struct device *dev, struct page *page, + unsigned long offset, size_t size, + enum dma_data_direction dir) +{ + dma_addr_t handle = page_to_phys(page) + offset; + + dma_sync_single_for_device(dev, handle, size, dir); + return handle; +} +EXPORT_SYMBOL(dma_map_page); + +int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents, + enum dma_data_direction dir) +{ + int i; + + for (i = 0; i < nents; sg++, i++) { + sg->dma_address = sg_phys(sg); + dma_sync_single_for_device(dev, sg->dma_address, sg->length, dir); + } + return nents; +} +EXPORT_SYMBOL(dma_map_sg); diff --git a/arch/m68k/kernel/dma_mm.c b/arch/m68k/kernel/dma_mm.c deleted file mode 100644 index a3c471b..0000000 --- a/arch/m68k/kernel/dma_mm.c +++ /dev/null @@ -1,131 +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. - */ - -#undef DEBUG - -#include <linux/dma-mapping.h> -#include <linux/device.h> -#include <linux/kernel.h> -#include <linux/scatterlist.h> -#include <linux/slab.h> -#include <linux/vmalloc.h> -#include <linux/export.h> - -#include <asm/pgalloc.h> - -void *dma_alloc_coherent(struct device *dev, size_t size, - dma_addr_t *handle, gfp_t flag) -{ - struct page *page, **map; - pgprot_t pgprot; - void *addr; - int i, order; - - pr_debug("dma_alloc_coherent: %d,%x\n", size, flag); - - size = PAGE_ALIGN(size); - order = get_order(size); - - page = alloc_pages(flag, order); - if (!page) - return NULL; - - *handle = page_to_phys(page); - map = kmalloc(sizeof(struct page *) << order, flag & ~__GFP_DMA); - if (!map) { - __free_pages(page, order); - return NULL; - } - split_page(page, order); - - order = 1 << order; - size >>= PAGE_SHIFT; - map[0] = page; - for (i = 1; i < size; i++) - map[i] = page + i; - for (; i < order; i++) - __free_page(page + i); - pgprot = __pgprot(_PAGE_PRESENT | _PAGE_ACCESSED | _PAGE_DIRTY); - if (CPU_IS_040_OR_060) - pgprot_val(pgprot) |= _PAGE_GLOBAL040 | _PAGE_NOCACHE_S; - else - pgprot_val(pgprot) |= _PAGE_NOCACHE030; - addr = vmap(map, size, VM_MAP, pgprot); - kfree(map); - - return addr; -} -EXPORT_SYMBOL(dma_alloc_coherent); - -void dma_free_coherent(struct device *dev, size_t size, - void *addr, dma_addr_t handle) -{ - pr_debug("dma_free_coherent: %p, %x\n", addr, handle); - vfree(addr); -} -EXPORT_SYMBOL(dma_free_coherent); - -void dma_sync_single_for_device(struct device *dev, dma_addr_t handle, - size_t size, enum dma_data_direction dir) -{ - switch (dir) { - case DMA_TO_DEVICE: - cache_push(handle, size); - break; - case DMA_FROM_DEVICE: - cache_clear(handle, size); - break; - default: - if (printk_ratelimit()) - printk("dma_sync_single_for_device: unsupported dir %u\n", dir); - break; - } -} -EXPORT_SYMBOL(dma_sync_single_for_device); - -void dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg, int nents, - enum dma_data_direction dir) -{ - int i; - - for (i = 0; i < nents; sg++, i++) - dma_sync_single_for_device(dev, sg->dma_address, sg->length, dir); -} -EXPORT_SYMBOL(dma_sync_sg_for_device); - -dma_addr_t dma_map_single(struct device *dev, void *addr, size_t size, - enum dma_data_direction dir) -{ - dma_addr_t handle = virt_to_bus(addr); - - dma_sync_single_for_device(dev, handle, size, dir); - return handle; -} -EXPORT_SYMBOL(dma_map_single); - -dma_addr_t dma_map_page(struct device *dev, struct page *page, - unsigned long offset, size_t size, - enum dma_data_direction dir) -{ - dma_addr_t handle = page_to_phys(page) + offset; - - dma_sync_single_for_device(dev, handle, size, dir); - return handle; -} -EXPORT_SYMBOL(dma_map_page); - -int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents, - enum dma_data_direction dir) -{ - int i; - - for (i = 0; i < nents; sg++, i++) { - sg->dma_address = sg_phys(sg); - dma_sync_single_for_device(dev, sg->dma_address, sg->length, dir); - } - return nents; -} -EXPORT_SYMBOL(dma_map_sg); diff --git a/arch/m68k/kernel/dma_no.c b/arch/m68k/kernel/dma_no.c deleted file mode 100644 index f1dc3fc..0000000 --- a/arch/m68k/kernel/dma_no.c +++ /dev/null @@ -1,75 +0,0 @@ -/* - * Dynamic DMA mapping support. - * - * We never have any address translations to worry about, so this - * is just alloc/free. - */ - -#include <linux/types.h> -#include <linux/gfp.h> -#include <linux/mm.h> -#include <linux/device.h> -#include <linux/dma-mapping.h> -#include <linux/export.h> -#include <asm/cacheflush.h> - -void *dma_alloc_coherent(struct device *dev, size_t size, - dma_addr_t *dma_handle, gfp_t gfp) -{ - void *ret; - /* ignore region specifiers */ - gfp &= ~(__GFP_DMA | __GFP_HIGHMEM); - - if (dev == NULL || (*dev->dma_mask < 0xffffffff)) - gfp |= GFP_DMA; - ret = (void *)__get_free_pages(gfp, get_order(size)); - - if (ret != NULL) { - memset(ret, 0, size); - *dma_handle = virt_to_phys(ret); - } - return ret; -} - -void dma_free_coherent(struct device *dev, size_t size, - void *vaddr, dma_addr_t dma_handle) -{ - free_pages((unsigned long)vaddr, get_order(size)); -} - -void dma_sync_single_for_device(struct device *dev, dma_addr_t handle, - size_t size, enum dma_data_direction dir) -{ - switch (dir) { - case DMA_TO_DEVICE: - flush_dcache_range(handle, size); - break; - case DMA_FROM_DEVICE: - /* Should be clear already */ - break; - default: - if (printk_ratelimit()) - printk("dma_sync_single_for_device: unsupported dir %u\n", dir); - break; - } -} - -EXPORT_SYMBOL(dma_sync_single_for_device); -dma_addr_t dma_map_single(struct device *dev, void *addr, size_t size, - enum dma_data_direction dir) -{ - dma_addr_t handle = virt_to_phys(addr); - flush_dcache_range(handle, size); - return handle; -} -EXPORT_SYMBOL(dma_map_single); - -dma_addr_t dma_map_page(struct device *dev, struct page *page, - unsigned long offset, size_t size, - enum dma_data_direction dir) -{ - dma_addr_t handle = page_to_phys(page) + offset; - dma_sync_single_for_device(dev, handle, size, dir); - return handle; -} -EXPORT_SYMBOL(dma_map_page); diff --git a/arch/m68k/kernel/init_task.c b/arch/m68k/kernel/init_task.c deleted file mode 100644 index c744cfc..0000000 --- a/arch/m68k/kernel/init_task.c +++ /dev/null @@ -1,35 +0,0 @@ -/* - * linux/arch/m68knommu/kernel/init_task.c - */ -#include <linux/mm.h> -#include <linux/module.h> -#include <linux/sched.h> -#include <linux/init.h> -#include <linux/init_task.h> -#include <linux/fs.h> -#include <linux/mqueue.h> - -#include <asm/uaccess.h> -#include <asm/pgtable.h> - -static struct signal_struct init_signals = INIT_SIGNALS(init_signals); -static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand); -/* - * Initial task structure. - * - * All other task structs will be allocated on slabs in fork.c - */ -struct task_struct init_task = INIT_TASK(init_task); - -EXPORT_SYMBOL(init_task); - -/* - * Initial thread structure. - * - * We need to make sure that this is THREAD size aligned due to the - * way process stacks are handled. This is done by having a special - * "init_task" linker map entry.. - */ -union thread_union init_thread_union __init_task_data = - { INIT_THREAD_INFO(init_task) }; - diff --git a/arch/m68k/kernel/signal.c b/arch/m68k/kernel/signal.c index 2e25713..1747c70 100644 --- a/arch/m68k/kernel/signal.c +++ b/arch/m68k/kernel/signal.c @@ -1,5 +1,1202 @@ +/* + * linux/arch/m68k/kernel/signal.c + * + * Copyright (C) 1991, 1992 Linus Torvalds + * + * 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. + */ + +/* + * Linux/m68k support by Hamish Macdonald + * + * 68060 fixes by Jesper Skov + * + * 1997-12-01 Modified for POSIX.1b signals by Andreas Schwab + * + * mathemu support by Roman Zippel + * (Note: fpstate in the signal context is completely ignored for the emulator + * and the internal floating point format is put on stack) + */ + +/* + * ++roman (07/09/96): implemented signal stacks (specially for tosemu on + * Atari :-) Current limitation: Only one sigstack can be active at one time. + * If a second signal with SA_ONSTACK set arrives while working on a sigstack, + * SA_ONSTACK is ignored. This behaviour avoids lots of trouble with nested + * signal handlers! + */ + +#include <linux/sched.h> +#include <linux/mm.h> +#include <linux/kernel.h> +#include <linux/signal.h> +#include <linux/syscalls.h> +#include <linux/errno.h> +#include <linux/wait.h> +#include <linux/ptrace.h> +#include <linux/unistd.h> +#include <linux/stddef.h> +#include <linux/highuid.h> +#include <linux/personality.h> +#include <linux/tty.h> +#include <linux/binfmts.h> +#include <linux/module.h> + +#include <asm/setup.h> +#include <asm/uaccess.h> +#include <asm/pgtable.h> +#include <asm/traps.h> +#include <asm/ucontext.h> + +#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP))) + #ifdef CONFIG_MMU -#include "signal_mm.c" + +/* + * Handle the slight differences in classic 68k and ColdFire trap frames. + */ +#ifdef CONFIG_COLDFIRE +#define FORMAT 4 +#define FMT4SIZE 0 #else -#include "signal_no.c" +#define FORMAT 0 +#define FMT4SIZE sizeof(((struct frame *)0)->un.fmt4) #endif + +static const int frame_size_change[16] = { + [1] = -1, /* sizeof(((struct frame *)0)->un.fmt1), */ + [2] = sizeof(((struct frame *)0)->un.fmt2), + [3] = sizeof(((struct frame *)0)->un.fmt3), + [4] = FMT4SIZE, + [5] = -1, /* sizeof(((struct frame *)0)->un.fmt5), */ + [6] = -1, /* sizeof(((struct frame *)0)->un.fmt6), */ + [7] = sizeof(((struct frame *)0)->un.fmt7), + [8] = -1, /* sizeof(((struct frame *)0)->un.fmt8), */ + [9] = sizeof(((struct frame *)0)->un.fmt9), + [10] = sizeof(((struct frame *)0)->un.fmta), + [11] = sizeof(((struct frame *)0)->un.fmtb), + [12] = -1, /* sizeof(((struct frame *)0)->un.fmtc), */ + [13] = -1, /* sizeof(((struct frame *)0)->un.fmtd), */ + [14] = -1, /* sizeof(((struct frame *)0)->un.fmte), */ + [15] = -1, /* sizeof(((struct frame *)0)->un.fmtf), */ +}; + +static inline int frame_extra_sizes(int f) +{ + return frame_size_change[f]; +} + +int handle_kernel_fault(struct pt_regs *regs) +{ + const struct exception_table_entry *fixup; + struct pt_regs *tregs; + + /* Are we prepared to handle this kernel fault? */ + fixup = search_exception_tables(regs->pc); + if (!fixup) + return 0; + + /* Create a new four word stack frame, discarding the old one. */ + regs->stkadj = frame_extra_sizes(regs->format); + tregs = (struct pt_regs *)((long)regs + regs->stkadj); + tregs->vector = regs->vector; + tregs->format = FORMAT; + tregs->pc = fixup->fixup; + tregs->sr = regs->sr; + + return 1; +} + +void ptrace_signal_deliver(struct pt_regs *regs, void *cookie) +{ + if (regs->orig_d0 < 0) + return; + switch (regs->d0) { + case -ERESTARTNOHAND: + case -ERESTARTSYS: + case -ERESTARTNOINTR: + regs->d0 = regs->orig_d0; + regs->orig_d0 = -1; + regs->pc -= 2; + break; + } +} + +static inline void push_cache (unsigned long vaddr) +{ + /* + * Using the old cache_push_v() was really a big waste. + * + * What we are trying to do is to flush 8 bytes to ram. + * Flushing 2 cache lines of 16 bytes is much cheaper than + * flushing 1 or 2 pages, as previously done in + * cache_push_v(). + * Jes + */ + if (CPU_IS_040) { + unsigned long temp; + + __asm__ __volatile__ (".chip 68040\n\t" + "nop\n\t" + "ptestr (%1)\n\t" + "movec %%mmusr,%0\n\t" + ".chip 68k" + : "=r" (temp) + : "a" (vaddr)); + + temp &= PAGE_MASK; + temp |= vaddr & ~PAGE_MASK; + + __asm__ __volatile__ (".chip 68040\n\t" + "nop\n\t" + "cpushl %%bc,(%0)\n\t" + ".chip 68k" + : : "a" (temp)); + } + else if (CPU_IS_060) { + unsigned long temp; + __asm__ __volatile__ (".chip 68060\n\t" + "plpar (%0)\n\t" + ".chip 68k" + : "=a" (temp) + : "0" (vaddr)); + __asm__ __volatile__ (".chip 68060\n\t" + "cpushl %%bc,(%0)\n\t" + ".chip 68k" + : : "a" (temp)); + } else if (!CPU_IS_COLDFIRE) { + /* + * 68030/68020 have no writeback cache; + * still need to clear icache. + * Note that vaddr is guaranteed to be long word aligned. + */ + unsigned long temp; + asm volatile ("movec %%cacr,%0" : "=r" (temp)); + temp += 4; + asm volatile ("movec %0,%%caar\n\t" + "movec %1,%%cacr" + : : "r" (vaddr), "r" (temp)); + asm volatile ("movec %0,%%caar\n\t" + "movec %1,%%cacr" + : : "r" (vaddr + 4), "r" (temp)); + } +} + +static inline void adjustformat(struct pt_regs *regs) +{ +} + +static inline void save_a5_state(struct sigcontext *sc, struct pt_regs *regs) +{ +} + +#else /* CONFIG_MMU */ + +void ret_from_user_signal(void); +void ret_from_user_rt_signal(void); + +static inline int frame_extra_sizes(int f) +{ + /* No frame size adjustments required on non-MMU CPUs */ + return 0; +} + +static inline void adjustformat(struct pt_regs *regs) +{ + ((struct switch_stack *)regs - 1)->a5 = current->mm->start_data; + /* + * set format byte to make stack appear modulo 4, which it will + * be when doing the rte + */ + regs->format = 0x4; +} + +static inline void save_a5_state(struct sigcontext *sc, struct pt_regs *regs) +{ + sc->sc_a5 = ((struct switch_stack *)regs - 1)->a5; +} + +static inline void push_cache(unsigned long vaddr) +{ +} + +#endif /* CONFIG_MMU */ + +/* + * Atomically swap in the new signal mask, and wait for a signal. + */ +asmlinkage int +sys_sigsuspend(int unused0, int unused1, old_sigset_t mask) +{ + mask &= _BLOCKABLE; + spin_lock_irq(¤t->sighand->siglock); + current->saved_sigmask = current->blocked; + siginitset(¤t->blocked, mask); + recalc_sigpending(); + spin_unlock_irq(¤t->sighand->siglock); + + current->state = TASK_INTERRUPTIBLE; + schedule(); + set_restore_sigmask(); + + return -ERESTARTNOHAND; +} + +asmlinkage int +sys_sigaction(int sig, const struct old_sigaction __user *act, + struct old_sigaction __user *oact) +{ + struct k_sigaction new_ka, old_ka; + int ret; + + if (act) { + old_sigset_t mask; + if (!access_ok(VERIFY_READ, act, sizeof(*act)) || + __get_user(new_ka.sa.sa_handler, &act->sa_handler) || + __get_user(new_ka.sa.sa_restorer, &act->sa_restorer) || + __get_user(new_ka.sa.sa_flags, &act->sa_flags) || + __get_user(mask, &act->sa_mask)) + return -EFAULT; + siginitset(&new_ka.sa.sa_mask, mask); + } + + ret = do_sigaction(sig, act ? &new_ka : NULL, oact ? &old_ka : NULL); + + if (!ret && oact) { + if (!access_ok(VERIFY_WRITE, oact, sizeof(*oact)) || + __put_user(old_ka.sa.sa_handler, &oact->sa_handler) || + __put_user(old_ka.sa.sa_restorer, &oact->sa_restorer) || + __put_user(old_ka.sa.sa_flags, &oact->sa_flags) || + __put_user(old_ka.sa.sa_mask.sig[0], &oact->sa_mask)) + return -EFAULT; + } + + return ret; +} + +asmlinkage int +sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss) +{ + return do_sigaltstack(uss, uoss, rdusp()); +} + + +/* + * Do a signal return; undo the signal stack. + * + * Keep the return code on the stack quadword aligned! + * That makes the cache flush below easier. + */ + +struct sigframe +{ + char __user *pretcode; + int sig; + int code; + struct sigcontext __user *psc; + char retcode[8]; + unsigned long extramask[_NSIG_WORDS-1]; + struct sigcontext sc; +}; + +struct rt_sigframe +{ + char __user *pretcode; + int sig; + struct siginfo __user *pinfo; + void __user *puc; + char retcode[8]; + struct siginfo info; + struct ucontext uc; +}; + +#define FPCONTEXT_SIZE 216 +#define uc_fpstate uc_filler[0] +#define uc_formatvec uc_filler[FPCONTEXT_SIZE/4] +#define uc_extra uc_filler[FPCONTEXT_SIZE/4+1] + +#ifdef CONFIG_FPU + +static unsigned char fpu_version; /* version number of fpu, set by setup_frame */ + +static inline int restore_fpu_state(struct sigcontext *sc) +{ + int err = 1; + + if (FPU_IS_EMU) { + /* restore registers */ + memcpy(current->thread.fpcntl, sc->sc_fpcntl, 12); + memcpy(current->thread.fp, sc->sc_fpregs, 24); + return 0; + } + + if (CPU_IS_060 ? sc->sc_fpstate[2] : sc->sc_fpstate[0]) { + /* Verify the frame format. */ + if (!(CPU_IS_060 || CPU_IS_COLDFIRE) && + (sc->sc_fpstate[0] != fpu_version)) + goto out; + if (CPU_IS_020_OR_030) { + if (m68k_fputype & FPU_68881 && + !(sc->sc_fpstate[1] == 0x18 || sc->sc_fpstate[1] == 0xb4)) + goto out; + if (m68k_fputype & FPU_68882 && + !(sc->sc_fpstate[1] == 0x38 || sc->sc_fpstate[1] == 0xd4)) + goto out; + } else if (CPU_IS_040) { + if (!(sc->sc_fpstate[1] == 0x00 || + sc->sc_fpstate[1] == 0x28 || + sc->sc_fpstate[1] == 0x60)) + goto out; + } else if (CPU_IS_060) { + if (!(sc->sc_fpstate[3] == 0x00 || + sc->sc_fpstate[3] == 0x60 || + sc->sc_fpstate[3] == 0xe0)) + goto out; + } else if (CPU_IS_COLDFIRE) { + if (!(sc->sc_fpstate[0] == 0x00 || + sc->sc_fpstate[0] == 0x05 || + sc->sc_fpstate[0] == 0xe5)) + goto out; + } else + goto out; + + if (CPU_IS_COLDFIRE) { + __asm__ volatile ("fmovemd %0,%%fp0-%%fp1\n\t" + "fmovel %1,%%fpcr\n\t" + "fmovel %2,%%fpsr\n\t" + "fmovel %3,%%fpiar" + : /* no outputs */ + : "m" (sc->sc_fpregs[0]), + "m" (sc->sc_fpcntl[0]), + "m" (sc->sc_fpcntl[1]), + "m" (sc->sc_fpcntl[2])); + } else { + __asm__ volatile (".chip 68k/68881\n\t" + "fmovemx %0,%%fp0-%%fp1\n\t" + "fmoveml %1,%%fpcr/%%fpsr/%%fpiar\n\t" + ".chip 68k" + : /* no outputs */ + : "m" (*sc->sc_fpregs), + "m" (*sc->sc_fpcntl)); + } + } + + if (CPU_IS_COLDFIRE) { + __asm__ volatile ("frestore %0" : : "m" (*sc->sc_fpstate)); + } else { + __asm__ volatile (".chip 68k/68881\n\t" + "frestore %0\n\t" + ".chip 68k" + : : "m" (*sc->sc_fpstate)); + } + err = 0; + +out: + return err; +} + +static inline int rt_restore_fpu_state(struct ucontext __user *uc) +{ + unsigned char fpstate[FPCONTEXT_SIZE]; + int context_size = CPU_IS_060 ? 8 : (CPU_IS_COLDFIRE ? 12 : 0); + fpregset_t fpregs; + int err = 1; + + if (FPU_IS_EMU) { + /* restore fpu control register */ + if (__copy_from_user(current->thread.fpcntl, + uc->uc_mcontext.fpregs.f_fpcntl, 12)) + goto out; + /* restore all other fpu register */ + if (__copy_from_user(current->thread.fp, + uc->uc_mcontext.fpregs.f_fpregs, 96)) + goto out; + return 0; + } + + if (__get_user(*(long *)fpstate, (long __user *)&uc->uc_fpstate)) + goto out; + if (CPU_IS_060 ? fpstate[2] : fpstate[0]) { + if (!(CPU_IS_060 || CPU_IS_COLDFIRE)) + context_size = fpstate[1]; + /* Verify the frame format. */ + if (!(CPU_IS_060 || CPU_IS_COLDFIRE) && + (fpstate[0] != fpu_version)) + goto out; + if (CPU_IS_020_OR_030) { + if (m68k_fputype & FPU_68881 && + !(context_size == 0x18 || context_size == 0xb4)) + goto out; + if (m68k_fputype & FPU_68882 && + !(context_size == 0x38 || context_size == 0xd4)) + goto out; + } else if (CPU_IS_040) { + if (!(context_size == 0x00 || + context_size == 0x28 || + context_size == 0x60)) + goto out; + } else if (CPU_IS_060) { + if (!(fpstate[3] == 0x00 || + fpstate[3] == 0x60 || + fpstate[3] == 0xe0)) + goto out; + } else if (CPU_IS_COLDFIRE) { + if (!(fpstate[3] == 0x00 || + fpstate[3] == 0x05 || + fpstate[3] == 0xe5)) + goto out; + } else + goto out; + if (__copy_from_user(&fpregs, &uc->uc_mcontext.fpregs, + sizeof(fpregs))) + goto out; + + if (CPU_IS_COLDFIRE) { + __asm__ volatile ("fmovemd %0,%%fp0-%%fp7\n\t" + "fmovel %1,%%fpcr\n\t" + "fmovel %2,%%fpsr\n\t" + "fmovel %3,%%fpiar" + : /* no outputs */ + : "m" (fpregs.f_fpregs[0]), + "m" (fpregs.f_fpcntl[0]), + "m" (fpregs.f_fpcntl[1]), + "m" (fpregs.f_fpcntl[2])); + } else { + __asm__ volatile (".chip 68k/68881\n\t" + "fmovemx %0,%%fp0-%%fp7\n\t" + "fmoveml %1,%%fpcr/%%fpsr/%%fpiar\n\t" + ".chip 68k" + : /* no outputs */ + : "m" (*fpregs.f_fpregs), + "m" (*fpregs.f_fpcntl)); + } + } + if (context_size && + __copy_from_user(fpstate + 4, (long __user *)&uc->uc_fpstate + 1, + context_size)) + goto out; + + if (CPU_IS_COLDFIRE) { + __asm__ volatile ("frestore %0" : : "m" (*fpstate)); + } else { + __asm__ volatile (".chip 68k/68881\n\t" + "frestore %0\n\t" + ".chip 68k" + : : "m" (*fpstate)); + } + err = 0; + +out: + return err; +} + +/* + * Set up a signal frame. + */ +static inline void save_fpu_state(struct sigcontext *sc, struct pt_regs *regs) +{ + if (FPU_IS_EMU) { + /* save registers */ + memcpy(sc->sc_fpcntl, current->thread.fpcntl, 12); + memcpy(sc->sc_fpregs, current->thread.fp, 24); + return; + } + + if (CPU_IS_COLDFIRE) { + __asm__ volatile ("fsave %0" + : : "m" (*sc->sc_fpstate) : "memory"); + } else { + __asm__ volatile (".chip 68k/68881\n\t" + "fsave %0\n\t" + ".chip 68k" + : : "m" (*sc->sc_fpstate) : "memory"); + } + + if (CPU_IS_060 ? sc->sc_fpstate[2] : sc->sc_fpstate[0]) { + fpu_version = sc->sc_fpstate[0]; + if (CPU_IS_020_OR_030 && + regs->vector >= (VEC_FPBRUC * 4) && + regs->vector <= (VEC_FPNAN * 4)) { + /* Clear pending exception in 68882 idle frame */ + if (*(unsigned short *) sc->sc_fpstate == 0x1f38) + sc->sc_fpstate[0x38] |= 1 << 3; + } + + if (CPU_IS_COLDFIRE) { + __asm__ volatile ("fmovemd %%fp0-%%fp1,%0\n\t" + "fmovel %%fpcr,%1\n\t" + "fmovel %%fpsr,%2\n\t" + "fmovel %%fpiar,%3" + : "=m" (sc->sc_fpregs[0]), + "=m" (sc->sc_fpcntl[0]), + "=m" (sc->sc_fpcntl[1]), + "=m" (sc->sc_fpcntl[2]) + : /* no inputs */ + : "memory"); + } else { + __asm__ volatile (".chip 68k/68881\n\t" + "fmovemx %%fp0-%%fp1,%0\n\t" + "fmoveml %%fpcr/%%fpsr/%%fpiar,%1\n\t" + ".chip 68k" + : "=m" (*sc->sc_fpregs), + "=m" (*sc->sc_fpcntl) + : /* no inputs */ + : "memory"); + } + } +} + +static inline int rt_save_fpu_state(struct ucontext __user *uc, struct pt_regs *regs) +{ + unsigned char fpstate[FPCONTEXT_SIZE]; + int context_size = CPU_IS_060 ? 8 : (CPU_IS_COLDFIRE ? 12 : 0); + int err = 0; + + if (FPU_IS_EMU) { + /* save fpu control register */ + err |= copy_to_user(uc->uc_mcontext.fpregs.f_fpcntl, + current->thread.fpcntl, 12); + /* save all other fpu register */ + err |= copy_to_user(uc->uc_mcontext.fpregs.f_fpregs, + current->thread.fp, 96); + return err; + } + + if (CPU_IS_COLDFIRE) { + __asm__ volatile ("fsave %0" : : "m" (*fpstate) : "memory"); + } else { + __asm__ volatile (".chip 68k/68881\n\t" + "fsave %0\n\t" + ".chip 68k" + : : "m" (*fpstate) : "memory"); + } + + err |= __put_user(*(long *)fpstate, (long __user *)&uc->uc_fpstate); + if (CPU_IS_060 ? fpstate[2] : fpstate[0]) { + fpregset_t fpregs; + if (!(CPU_IS_060 || CPU_IS_COLDFIRE)) + context_size = fpstate[1]; + fpu_version = fpstate[0]; + if (CPU_IS_020_OR_030 && + regs->vector >= (VEC_FPBRUC * 4) && + regs->vector <= (VEC_FPNAN * 4)) { + /* Clear pending exception in 68882 idle frame */ + if (*(unsigned short *) fpstate == 0x1f38) + fpstate[0x38] |= 1 << 3; + } + if (CPU_IS_COLDFIRE) { + __asm__ volatile ("fmovemd %%fp0-%%fp7,%0\n\t" + "fmovel %%fpcr,%1\n\t" + "fmovel %%fpsr,%2\n\t" + "fmovel %%fpiar,%3" + : "=m" (fpregs.f_fpregs[0]), + "=m" (fpregs.f_fpcntl[0]), + "=m" (fpregs.f_fpcntl[1]), + "=m" (fpregs.f_fpcntl[2]) + : /* no inputs */ + : "memory"); + } else { + __asm__ volatile (".chip 68k/68881\n\t" + "fmovemx %%fp0-%%fp7,%0\n\t" + "fmoveml %%fpcr/%%fpsr/%%fpiar,%1\n\t" + ".chip 68k" + : "=m" (*fpregs.f_fpregs), + "=m" (*fpregs.f_fpcntl) + : /* no inputs */ + : "memory"); + } + err |= copy_to_user(&uc->uc_mcontext.fpregs, &fpregs, + sizeof(fpregs)); + } + if (context_size) + err |= copy_to_user((long __user *)&uc->uc_fpstate + 1, fpstate + 4, + context_size); + return err; +} + +#else /* CONFIG_FPU */ + +/* + * For the case with no FPU configured these all do nothing. + */ +static inline int restore_fpu_state(struct sigcontext *sc) +{ + return 0; +} + +static inline int rt_restore_fpu_state(struct ucontext __user *uc) +{ + return 0; +} + +static inline void save_fpu_state(struct sigcontext *sc, struct pt_regs *regs) +{ +} + +static inline int rt_save_fpu_state(struct ucontext __user *uc, struct pt_regs *regs) +{ + return 0; +} + +#endif /* CONFIG_FPU */ + +static int mangle_kernel_stack(struct pt_regs *regs, int formatvec, + void __user *fp) +{ + int fsize = frame_extra_sizes(formatvec >> 12); + if (fsize < 0) { + /* + * user process trying to return with weird frame format + */ +#ifdef DEBUG + printk("user process returning with weird frame format\n"); +#endif + return 1; + } + if (!fsize) { + regs->format = formatvec >> 12; + regs->vector = formatvec & 0xfff; + } else { + struct switch_stack *sw = (struct switch_stack *)regs - 1; + unsigned long buf[fsize / 2]; /* yes, twice as much */ + + /* that'll make sure that expansion won't crap over data */ + if (copy_from_user(buf + fsize / 4, fp, fsize)) + return 1; + + /* point of no return */ + regs->format = formatvec >> 12; + regs->vector = formatvec & 0xfff; +#define frame_offset (sizeof(struct pt_regs)+sizeof(struct switch_stack)) + __asm__ __volatile__ ( +#ifdef CONFIG_COLDFIRE + " movel %0,%/sp\n\t" + " bra ret_from_signal\n" +#else + " movel %0,%/a0\n\t" + " subl %1,%/a0\n\t" /* make room on stack */ + " movel %/a0,%/sp\n\t" /* set stack pointer */ + /* move switch_stack and pt_regs */ + "1: movel %0@+,%/a0@+\n\t" + " dbra %2,1b\n\t" + " lea %/sp@(%c3),%/a0\n\t" /* add offset of fmt */ + " lsrl #2,%1\n\t" + " subql #1,%1\n\t" + /* copy to the gap we'd made */ + "2: movel %4@+,%/a0@+\n\t" + " dbra %1,2b\n\t" + " bral ret_from_signal\n" +#endif + : /* no outputs, it doesn't ever return */ + : "a" (sw), "d" (fsize), "d" (frame_offset/4-1), + "n" (frame_offset), "a" (buf + fsize/4) + : "a0"); +#undef frame_offset + } + return 0; +} + +static inline int +restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *usc, void __user *fp) +{ + int formatvec; + struct sigcontext context; + int err = 0; + + /* Always make any pending restarted system calls return -EINTR */ + current_thread_info()->restart_block.fn = do_no_restart_syscall; + + /* get previous context */ + if (copy_from_user(&context, usc, sizeof(context))) + goto badframe; + + /* restore passed registers */ + regs->d0 = context.sc_d0; + regs->d1 = context.sc_d1; + regs->a0 = context.sc_a0; + regs->a1 = context.sc_a1; + regs->sr = (regs->sr & 0xff00) | (context.sc_sr & 0xff); + regs->pc = context.sc_pc; + regs->orig_d0 = -1; /* disable syscall checks */ + wrusp(context.sc_usp); + formatvec = context.sc_formatvec; + + err = restore_fpu_state(&context); + + if (err || mangle_kernel_stack(regs, formatvec, fp)) + goto badframe; + + return 0; + +badframe: + return 1; +} + +static inline int +rt_restore_ucontext(struct pt_regs *regs, struct switch_stack *sw, + struct ucontext __user *uc) +{ + int temp; + greg_t __user *gregs = uc->uc_mcontext.gregs; + unsigned long usp; + int err; + + /* Always make any pending restarted system calls return -EINTR */ + current_thread_info()->restart_block.fn = do_no_restart_syscall; + + err = __get_user(temp, &uc->uc_mcontext.version); + if (temp != MCONTEXT_VERSION) + goto badframe; + /* restore passed registers */ + err |= __get_user(regs->d0, &gregs[0]); + err |= __get_user(regs->d1, &gregs[1]); + err |= __get_user(regs->d2, &gregs[2]); + err |= __get_user(regs->d3, &gregs[3]); + err |= __get_user(regs->d4, &gregs[4]); + err |= __get_user(regs->d5, &gregs[5]); + err |= __get_user(sw->d6, &gregs[6]); + err |= __get_user(sw->d7, &gregs[7]); + err |= __get_user(regs->a0, &gregs[8]); + err |= __get_user(regs->a1, &gregs[9]); + err |= __get_user(regs->a2, &gregs[10]); + err |= __get_user(sw->a3, &gregs[11]); + err |= __get_user(sw->a4, &gregs[12]); + err |= __get_user(sw->a5, &gregs[13]); + err |= __get_user(sw->a6, &gregs[14]); + err |= __get_user(usp, &gregs[15]); + wrusp(usp); + err |= __get_user(regs->pc, &gregs[16]); + err |= __get_user(temp, &gregs[17]); + regs->sr = (regs->sr & 0xff00) | (temp & 0xff); + regs->orig_d0 = -1; /* disable syscall checks */ + err |= __get_user(temp, &uc->uc_formatvec); + + err |= rt_restore_fpu_state(uc); + + if (err || do_sigaltstack(&uc->uc_stack, NULL, usp) == -EFAULT) + goto badframe; + + if (mangle_kernel_stack(regs, temp, &uc->uc_extra)) + goto badframe; + + return 0; + +badframe: + return 1; +} + +asmlinkage int do_sigreturn(unsigned long __unused) +{ + struct switch_stack *sw = (struct switch_stack *) &__unused; + struct pt_regs *regs = (struct pt_regs *) (sw + 1); + unsigned long usp = rdusp(); + struct sigframe __user *frame = (struct sigframe __user *)(usp - 4); + sigset_t set; + + if (!access_ok(VERIFY_READ, frame, sizeof(*frame))) + goto badframe; + if (__get_user(set.sig[0], &frame->sc.sc_mask) || + (_NSIG_WORDS > 1 && + __copy_from_user(&set.sig[1], &frame->extramask, + sizeof(frame->extramask)))) + goto badframe; + + sigdelsetmask(&set, ~_BLOCKABLE); + current->blocked = set; + recalc_sigpending(); + + if (restore_sigcontext(regs, &frame->sc, frame + 1)) + goto badframe; + return regs->d0; + +badframe: + force_sig(SIGSEGV, current); + return 0; +} + +asmlinkage int do_rt_sigreturn(unsigned long __unused) +{ + struct switch_stack *sw = (struct switch_stack *) &__unused; + struct pt_regs *regs = (struct pt_regs *) (sw + 1); + unsigned long usp = rdusp(); + struct rt_sigframe __user *frame = (struct rt_sigframe __user *)(usp - 4); + sigset_t set; + + if (!access_ok(VERIFY_READ, frame, sizeof(*frame))) + goto badframe; + if (__copy_from_user(&set, &frame->uc.uc_sigmask, sizeof(set))) + goto badframe; + + sigdelsetmask(&set, ~_BLOCKABLE); + current->blocked = set; + recalc_sigpending(); + + if (rt_restore_ucontext(regs, sw, &frame->uc)) + goto badframe; + return regs->d0; + +badframe: + force_sig(SIGSEGV, current); + return 0; +} + +static void setup_sigcontext(struct sigcontext *sc, struct pt_regs *regs, + unsigned long mask) +{ + sc->sc_mask = mask; + sc->sc_usp = rdusp(); + sc->sc_d0 = regs->d0; + sc->sc_d1 = regs->d1; + sc->sc_a0 = regs->a0; + sc->sc_a1 = regs->a1; + sc->sc_sr = regs->sr; + sc->sc_pc = regs->pc; + sc->sc_formatvec = regs->format << 12 | regs->vector; + save_a5_state(sc, regs); + save_fpu_state(sc, regs); +} + +static inline int rt_setup_ucontext(struct ucontext __user *uc, struct pt_regs *regs) +{ + struct switch_stack *sw = (struct switch_stack *)regs - 1; + greg_t __user *gregs = uc->uc_mcontext.gregs; + int err = 0; + + err |= __put_user(MCONTEXT_VERSION, &uc->uc_mcontext.version); + err |= __put_user(regs->d0, &gregs[0]); + err |= __put_user(regs->d1, &gregs[1]); + err |= __put_user(regs->d2, &gregs[2]); + err |= __put_user(regs->d3, &gregs[3]); + err |= __put_user(regs->d4, &gregs[4]); + err |= __put_user(regs->d5, &gregs[5]); + err |= __put_user(sw->d6, &gregs[6]); + err |= __put_user(sw->d7, &gregs[7]); + err |= __put_user(regs->a0, &gregs[8]); + err |= __put_user(regs->a1, &gregs[9]); + err |= __put_user(regs->a2, &gregs[10]); + err |= __put_user(sw->a3, &gregs[11]); + err |= __put_user(sw->a4, &gregs[12]); + err |= __put_user(sw->a5, &gregs[13]); + err |= __put_user(sw->a6, &gregs[14]); + err |= __put_user(rdusp(), &gregs[15]); + err |= __put_user(regs->pc, &gregs[16]); + err |= __put_user(regs->sr, &gregs[17]); + err |= __put_user((regs->format << 12) | regs->vector, &uc->uc_formatvec); + err |= rt_save_fpu_state(uc, regs); + return err; +} + +static inline void __user * +get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, size_t frame_size) +{ + unsigned long usp; + + /* Default to using normal stack. */ + usp = rdusp(); + + /* This is the X/Open sanctioned signal stack switching. */ + if (ka->sa.sa_flags & SA_ONSTACK) { + if (!sas_ss_flags(usp)) + usp = current->sas_ss_sp + current->sas_ss_size; + } + return (void __user *)((usp - frame_size) & -8UL); +} + +static int setup_frame (int sig, struct k_sigaction *ka, + sigset_t *set, struct pt_regs *regs) +{ + struct sigframe __user *frame; + int fsize = frame_extra_sizes(regs->format); + struct sigcontext context; + int err = 0; + + if (fsize < 0) { +#ifdef DEBUG + printk ("setup_frame: Unknown frame format %#x\n", + regs->format); +#endif + goto give_sigsegv; + } + + frame = get_sigframe(ka, regs, sizeof(*frame) + fsize); + + if (fsize) + err |= copy_to_user (frame + 1, regs + 1, fsize); + + err |= __put_user((current_thread_info()->exec_domain + && current_thread_info()->exec_domain->signal_invmap + && sig < 32 + ? current_thread_info()->exec_domain->signal_invmap[sig] + : sig), + &frame->sig); + + err |= __put_user(regs->vector, &frame->code); + err |= __put_user(&frame->sc, &frame->psc); + + if (_NSIG_WORDS > 1) + err |= copy_to_user(frame->extramask, &set->sig[1], + sizeof(frame->extramask)); + + setup_sigcontext(&context, regs, set->sig[0]); + err |= copy_to_user (&frame->sc, &context, sizeof(context)); + + /* Set up to return from userspace. */ +#ifdef CONFIG_MMU + err |= __put_user(frame->retcode, &frame->pretcode); + /* moveq #,d0; trap #0 */ + err |= __put_user(0x70004e40 + (__NR_sigreturn << 16), + (long __user *)(frame->retcode)); +#else + err |= __put_user((void *) ret_from_user_signal, &frame->pretcode); +#endif + + if (err) + goto give_sigsegv; + + push_cache ((unsigned long) &frame->retcode); + + /* + * Set up registers for signal handler. All the state we are about + * to destroy is successfully copied to sigframe. + */ + wrusp ((unsigned long) frame); + regs->pc = (unsigned long) ka->sa.sa_handler; + adjustformat(regs); + + /* + * This is subtle; if we build more than one sigframe, all but the + * first one will see frame format 0 and have fsize == 0, so we won't + * screw stkadj. + */ + if (fsize) + regs->stkadj = fsize; + + /* Prepare to skip over the extra stuff in the exception frame. */ + if (regs->stkadj) { + struct pt_regs *tregs = + (struct pt_regs *)((ulong)regs + regs->stkadj); +#ifdef DEBUG + printk("Performing stackadjust=%04x\n", regs->stkadj); +#endif + /* This must be copied with decreasing addresses to + handle overlaps. */ + tregs->vector = 0; + tregs->format = 0; + tregs->pc = regs->pc; + tregs->sr = regs->sr; + } + return 0; + +give_sigsegv: + force_sigsegv(sig, current); + return err; +} + +static int setup_rt_frame (int sig, struct k_sigaction *ka, siginfo_t *info, + sigset_t *set, struct pt_regs *regs) +{ + struct rt_sigframe __user *frame; + int fsize = frame_extra_sizes(regs->format); + int err = 0; + + if (fsize < 0) { +#ifdef DEBUG + printk ("setup_frame: Unknown frame format %#x\n", + regs->format); +#endif + goto give_sigsegv; + } + + frame = get_sigframe(ka, regs, sizeof(*frame)); + + if (fsize) + err |= copy_to_user (&frame->uc.uc_extra, regs + 1, fsize); + + err |= __put_user((current_thread_info()->exec_domain + && current_thread_info()->exec_domain->signal_invmap + && sig < 32 + ? current_thread_info()->exec_domain->signal_invmap[sig] + : sig), + &frame->sig); + err |= __put_user(&frame->info, &frame->pinfo); + err |= __put_user(&frame->uc, &frame->puc); + err |= copy_siginfo_to_user(&frame->info, info); + + /* Create the ucontext. */ + err |= __put_user(0, &frame->uc.uc_flags); + err |= __put_user(NULL, &frame->uc.uc_link); + err |= __put_user((void __user *)current->sas_ss_sp, + &frame->uc.uc_stack.ss_sp); + err |= __put_user(sas_ss_flags(rdusp()), + &frame->uc.uc_stack.ss_flags); + err |= __put_user(current->sas_ss_size, &frame->uc.uc_stack.ss_size); + err |= rt_setup_ucontext(&frame->uc, regs); + err |= copy_to_user (&frame->uc.uc_sigmask, set, sizeof(*set)); + + /* Set up to return from userspace. */ +#ifdef CONFIG_MMU + err |= __put_user(frame->retcode, &frame->pretcode); +#ifdef __mcoldfire__ + /* movel #__NR_rt_sigreturn,d0; trap #0 */ + err |= __put_user(0x203c0000, (long __user *)(frame->retcode + 0)); + err |= __put_user(0x00004e40 + (__NR_rt_sigreturn << 16), + (long __user *)(frame->retcode + 4)); +#else + /* moveq #,d0; notb d0; trap #0 */ + err |= __put_user(0x70004600 + ((__NR_rt_sigreturn ^ 0xff) << 16), + (long __user *)(frame->retcode + 0)); + err |= __put_user(0x4e40, (short __user *)(frame->retcode + 4)); +#endif +#else + err |= __put_user((void *) ret_from_user_rt_signal, &frame->pretcode); +#endif /* CONFIG_MMU */ + + if (err) + goto give_sigsegv; + + push_cache ((unsigned long) &frame->retcode); + + /* + * Set up registers for signal handler. All the state we are about + * to destroy is successfully copied to sigframe. + */ + wrusp ((unsigned long) frame); + regs->pc = (unsigned long) ka->sa.sa_handler; + adjustformat(regs); + + /* + * This is subtle; if we build more than one sigframe, all but the + * first one will see frame format 0 and have fsize == 0, so we won't + * screw stkadj. + */ + if (fsize) + regs->stkadj = fsize; + + /* Prepare to skip over the extra stuff in the exception frame. */ + if (regs->stkadj) { + struct pt_regs *tregs = + (struct pt_regs *)((ulong)regs + regs->stkadj); +#ifdef DEBUG + printk("Performing stackadjust=%04x\n", regs->stkadj); +#endif + /* This must be copied with decreasing addresses to + handle overlaps. */ + tregs->vector = 0; + tregs->format = 0; + tregs->pc = regs->pc; + tregs->sr = regs->sr; + } + return 0; + +give_sigsegv: + force_sigsegv(sig, current); + return err; +} + +static inline void +handle_restart(struct pt_regs *regs, struct k_sigaction *ka, int has_handler) +{ + switch (regs->d0) { + case -ERESTARTNOHAND: + if (!has_handler) + goto do_restart; + regs->d0 = -EINTR; + break; + + case -ERESTART_RESTARTBLOCK: + if (!has_handler) { + regs->d0 = __NR_restart_syscall; + regs->pc -= 2; + break; + } + regs->d0 = -EINTR; + break; + + case -ERESTARTSYS: + if (has_handler && !(ka->sa.sa_flags & SA_RESTART)) { + regs->d0 = -EINTR; + break; + } + /* fallthrough */ + case -ERESTARTNOINTR: + do_restart: + regs->d0 = regs->orig_d0; + regs->pc -= 2; + break; + } +} + +/* + * OK, we're invoking a handler + */ +static void +handle_signal(int sig, struct k_sigaction *ka, siginfo_t *info, + sigset_t *oldset, struct pt_regs *regs) +{ + int err; + /* are we from a system call? */ + if (regs->orig_d0 >= 0) + /* If so, check system call restarting.. */ + handle_restart(regs, ka, 1); + + /* set up the stack frame */ + if (ka->sa.sa_flags & SA_SIGINFO) + err = setup_rt_frame(sig, ka, info, oldset, regs); + else + err = setup_frame(sig, ka, oldset, regs); + + if (err) + return; + + sigorsets(¤t->blocked,¤t->blocked,&ka->sa.sa_mask); + if (!(ka->sa.sa_flags & SA_NODEFER)) + sigaddset(¤t->blocked,sig); + recalc_sigpending(); + + if (test_thread_flag(TIF_DELAYED_TRACE)) { + regs->sr &= ~0x8000; + send_sig(SIGTRAP, current, 1); + } + + clear_thread_flag(TIF_RESTORE_SIGMASK); +} + +/* + * Note that 'init' is a special process: it doesn't get signals it doesn't + * want to handle. Thus you cannot kill init even with a SIGKILL even by + * mistake. + */ +asmlinkage void do_signal(struct pt_regs *regs) +{ + siginfo_t info; + struct k_sigaction ka; + int signr; + sigset_t *oldset; + + current->thread.esp0 = (unsigned long) regs; + + if (test_thread_flag(TIF_RESTORE_SIGMASK)) + oldset = ¤t->saved_sigmask; + else + oldset = ¤t->blocked; + + signr = get_signal_to_deliver(&info, &ka, regs, NULL); + if (signr > 0) { + /* Whee! Actually deliver the signal. */ + handle_signal(signr, &ka, &info, oldset, regs); + return; + } + + /* Did we come from a system call? */ + if (regs->orig_d0 >= 0) + /* Restart the system call - no handlers present */ + handle_restart(regs, NULL, 0); + + /* If there's no signal to deliver, we just restore the saved mask. */ + if (test_thread_flag(TIF_RESTORE_SIGMASK)) { + clear_thread_flag(TIF_RESTORE_SIGMASK); + sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); + } +} diff --git a/arch/m68k/kernel/signal_mm.c b/arch/m68k/kernel/signal_mm.c deleted file mode 100644 index cb856f9..0000000 --- a/arch/m68k/kernel/signal_mm.c +++ /dev/null @@ -1,1115 +0,0 @@ -/* - * linux/arch/m68k/kernel/signal.c - * - * Copyright (C) 1991, 1992 Linus Torvalds - * - * 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. - */ - -/* - * Linux/m68k support by Hamish Macdonald - * - * 68060 fixes by Jesper Skov - * - * 1997-12-01 Modified for POSIX.1b signals by Andreas Schwab - * - * mathemu support by Roman Zippel - * (Note: fpstate in the signal context is completely ignored for the emulator - * and the internal floating point format is put on stack) - */ - -/* - * ++roman (07/09/96): implemented signal stacks (specially for tosemu on - * Atari :-) Current limitation: Only one sigstack can be active at one time. - * If a second signal with SA_ONSTACK set arrives while working on a sigstack, - * SA_ONSTACK is ignored. This behaviour avoids lots of trouble with nested - * signal handlers! - */ - -#include <linux/sched.h> -#include <linux/mm.h> -#include <linux/kernel.h> -#include <linux/signal.h> -#include <linux/syscalls.h> -#include <linux/errno.h> -#include <linux/wait.h> -#include <linux/ptrace.h> -#include <linux/unistd.h> -#include <linux/stddef.h> -#include <linux/highuid.h> -#include <linux/personality.h> -#include <linux/tty.h> -#include <linux/binfmts.h> -#include <linux/module.h> - -#include <asm/setup.h> -#include <asm/uaccess.h> -#include <asm/pgtable.h> -#include <asm/traps.h> -#include <asm/ucontext.h> - -#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP))) - -static const int frame_extra_sizes[16] = { - [1] = -1, /* sizeof(((struct frame *)0)->un.fmt1), */ - [2] = sizeof(((struct frame *)0)->un.fmt2), - [3] = sizeof(((struct frame *)0)->un.fmt3), -#ifdef CONFIG_COLDFIRE - [4] = 0, -#else - [4] = sizeof(((struct frame *)0)->un.fmt4), -#endif - [5] = -1, /* sizeof(((struct frame *)0)->un.fmt5), */ - [6] = -1, /* sizeof(((struct frame *)0)->un.fmt6), */ - [7] = sizeof(((struct frame *)0)->un.fmt7), - [8] = -1, /* sizeof(((struct frame *)0)->un.fmt8), */ - [9] = sizeof(((struct frame *)0)->un.fmt9), - [10] = sizeof(((struct frame *)0)->un.fmta), - [11] = sizeof(((struct frame *)0)->un.fmtb), - [12] = -1, /* sizeof(((struct frame *)0)->un.fmtc), */ - [13] = -1, /* sizeof(((struct frame *)0)->un.fmtd), */ - [14] = -1, /* sizeof(((struct frame *)0)->un.fmte), */ - [15] = -1, /* sizeof(((struct frame *)0)->un.fmtf), */ -}; - -int handle_kernel_fault(struct pt_regs *regs) -{ - const struct exception_table_entry *fixup; - struct pt_regs *tregs; - - /* Are we prepared to handle this kernel fault? */ - fixup = search_exception_tables(regs->pc); - if (!fixup) - return 0; - - /* Create a new four word stack frame, discarding the old one. */ - regs->stkadj = frame_extra_sizes[regs->format]; - tregs = (struct pt_regs *)((long)regs + regs->stkadj); - tregs->vector = regs->vector; -#ifdef CONFIG_COLDFIRE - tregs->format = 4; -#else - tregs->format = 0; -#endif - tregs->pc = fixup->fixup; - tregs->sr = regs->sr; - - return 1; -} - -/* - * Atomically swap in the new signal mask, and wait for a signal. - */ -asmlinkage int -sys_sigsuspend(int unused0, int unused1, old_sigset_t mask) -{ - mask &= _BLOCKABLE; - spin_lock_irq(¤t->sighand->siglock); - current->saved_sigmask = current->blocked; - siginitset(¤t->blocked, mask); - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); - - current->state = TASK_INTERRUPTIBLE; - schedule(); - set_restore_sigmask(); - - return -ERESTARTNOHAND; -} - -asmlinkage int -sys_sigaction(int sig, const struct old_sigaction __user *act, - struct old_sigaction __user *oact) -{ - struct k_sigaction new_ka, old_ka; - int ret; - - if (act) { - old_sigset_t mask; - if (!access_ok(VERIFY_READ, act, sizeof(*act)) || - __get_user(new_ka.sa.sa_handler, &act->sa_handler) || - __get_user(new_ka.sa.sa_restorer, &act->sa_restorer) || - __get_user(new_ka.sa.sa_flags, &act->sa_flags) || - __get_user(mask, &act->sa_mask)) - return -EFAULT; - siginitset(&new_ka.sa.sa_mask, mask); - } - - ret = do_sigaction(sig, act ? &new_ka : NULL, oact ? &old_ka : NULL); - - if (!ret && oact) { - if (!access_ok(VERIFY_WRITE, oact, sizeof(*oact)) || - __put_user(old_ka.sa.sa_handler, &oact->sa_handler) || - __put_user(old_ka.sa.sa_restorer, &oact->sa_restorer) || - __put_user(old_ka.sa.sa_flags, &oact->sa_flags) || - __put_user(old_ka.sa.sa_mask.sig[0], &oact->sa_mask)) - return -EFAULT; - } - - return ret; -} - -asmlinkage int -sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss) -{ - return do_sigaltstack(uss, uoss, rdusp()); -} - - -/* - * Do a signal return; undo the signal stack. - * - * Keep the return code on the stack quadword aligned! - * That makes the cache flush below easier. - */ - -struct sigframe -{ - char __user *pretcode; - int sig; - int code; - struct sigcontext __user *psc; - char retcode[8]; - unsigned long extramask[_NSIG_WORDS-1]; - struct sigcontext sc; -}; - -struct rt_sigframe -{ - char __user *pretcode; - int sig; - struct siginfo __user *pinfo; - void __user *puc; - char retcode[8]; - struct siginfo info; - struct ucontext uc; -}; - - -static unsigned char fpu_version; /* version number of fpu, set by setup_frame */ - -static inline int restore_fpu_state(struct sigcontext *sc) -{ - int err = 1; - - if (FPU_IS_EMU) { - /* restore registers */ - memcpy(current->thread.fpcntl, sc->sc_fpcntl, 12); - memcpy(current->thread.fp, sc->sc_fpregs, 24); - return 0; - } - - if (CPU_IS_060 ? sc->sc_fpstate[2] : sc->sc_fpstate[0]) { - /* Verify the frame format. */ - if (!(CPU_IS_060 || CPU_IS_COLDFIRE) && - (sc->sc_fpstate[0] != fpu_version)) - goto out; - if (CPU_IS_020_OR_030) { - if (m68k_fputype & FPU_68881 && - !(sc->sc_fpstate[1] == 0x18 || sc->sc_fpstate[1] == 0xb4)) - goto out; - if (m68k_fputype & FPU_68882 && - !(sc->sc_fpstate[1] == 0x38 || sc->sc_fpstate[1] == 0xd4)) - goto out; - } else if (CPU_IS_040) { - if (!(sc->sc_fpstate[1] == 0x00 || - sc->sc_fpstate[1] == 0x28 || - sc->sc_fpstate[1] == 0x60)) - goto out; - } else if (CPU_IS_060) { - if (!(sc->sc_fpstate[3] == 0x00 || - sc->sc_fpstate[3] == 0x60 || - sc->sc_fpstate[3] == 0xe0)) - goto out; - } else if (CPU_IS_COLDFIRE) { - if (!(sc->sc_fpstate[0] == 0x00 || - sc->sc_fpstate[0] == 0x05 || - sc->sc_fpstate[0] == 0xe5)) - goto out; - } else - goto out; - - if (CPU_IS_COLDFIRE) { - __asm__ volatile ("fmovemd %0,%%fp0-%%fp1\n\t" - "fmovel %1,%%fpcr\n\t" - "fmovel %2,%%fpsr\n\t" - "fmovel %3,%%fpiar" - : /* no outputs */ - : "m" (sc->sc_fpregs[0]), - "m" (sc->sc_fpcntl[0]), - "m" (sc->sc_fpcntl[1]), - "m" (sc->sc_fpcntl[2])); - } else { - __asm__ volatile (".chip 68k/68881\n\t" - "fmovemx %0,%%fp0-%%fp1\n\t" - "fmoveml %1,%%fpcr/%%fpsr/%%fpiar\n\t" - ".chip 68k" - : /* no outputs */ - : "m" (*sc->sc_fpregs), - "m" (*sc->sc_fpcntl)); - } - } - - if (CPU_IS_COLDFIRE) { - __asm__ volatile ("frestore %0" : : "m" (*sc->sc_fpstate)); - } else { - __asm__ volatile (".chip 68k/68881\n\t" - "frestore %0\n\t" - ".chip 68k" - : : "m" (*sc->sc_fpstate)); - } - err = 0; - -out: - return err; -} - -#define FPCONTEXT_SIZE 216 -#define uc_fpstate uc_filler[0] -#define uc_formatvec uc_filler[FPCONTEXT_SIZE/4] -#define uc_extra uc_filler[FPCONTEXT_SIZE/4+1] - -static inline int rt_restore_fpu_state(struct ucontext __user *uc) -{ - unsigned char fpstate[FPCONTEXT_SIZE]; - int context_size = CPU_IS_060 ? 8 : (CPU_IS_COLDFIRE ? 12 : 0); - fpregset_t fpregs; - int err = 1; - - if (FPU_IS_EMU) { - /* restore fpu control register */ - if (__copy_from_user(current->thread.fpcntl, - uc->uc_mcontext.fpregs.f_fpcntl, 12)) - goto out; - /* restore all other fpu register */ - if (__copy_from_user(current->thread.fp, - uc->uc_mcontext.fpregs.f_fpregs, 96)) - goto out; - return 0; - } - - if (__get_user(*(long *)fpstate, (long __user *)&uc->uc_fpstate)) - goto out; - if (CPU_IS_060 ? fpstate[2] : fpstate[0]) { - if (!(CPU_IS_060 || CPU_IS_COLDFIRE)) - context_size = fpstate[1]; - /* Verify the frame format. */ - if (!(CPU_IS_060 || CPU_IS_COLDFIRE) && - (fpstate[0] != fpu_version)) - goto out; - if (CPU_IS_020_OR_030) { - if (m68k_fputype & FPU_68881 && - !(context_size == 0x18 || context_size == 0xb4)) - goto out; - if (m68k_fputype & FPU_68882 && - !(context_size == 0x38 || context_size == 0xd4)) - goto out; - } else if (CPU_IS_040) { - if (!(context_size == 0x00 || - context_size == 0x28 || - context_size == 0x60)) - goto out; - } else if (CPU_IS_060) { - if (!(fpstate[3] == 0x00 || - fpstate[3] == 0x60 || - fpstate[3] == 0xe0)) - goto out; - } else if (CPU_IS_COLDFIRE) { - if (!(fpstate[3] == 0x00 || - fpstate[3] == 0x05 || - fpstate[3] == 0xe5)) - goto out; - } else - goto out; - if (__copy_from_user(&fpregs, &uc->uc_mcontext.fpregs, - sizeof(fpregs))) - goto out; - - if (CPU_IS_COLDFIRE) { - __asm__ volatile ("fmovemd %0,%%fp0-%%fp7\n\t" - "fmovel %1,%%fpcr\n\t" - "fmovel %2,%%fpsr\n\t" - "fmovel %3,%%fpiar" - : /* no outputs */ - : "m" (fpregs.f_fpregs[0]), - "m" (fpregs.f_fpcntl[0]), - "m" (fpregs.f_fpcntl[1]), - "m" (fpregs.f_fpcntl[2])); - } else { - __asm__ volatile (".chip 68k/68881\n\t" - "fmovemx %0,%%fp0-%%fp7\n\t" - "fmoveml %1,%%fpcr/%%fpsr/%%fpiar\n\t" - ".chip 68k" - : /* no outputs */ - : "m" (*fpregs.f_fpregs), - "m" (*fpregs.f_fpcntl)); - } - } - if (context_size && - __copy_from_user(fpstate + 4, (long __user *)&uc->uc_fpstate + 1, - context_size)) - goto out; - - if (CPU_IS_COLDFIRE) { - __asm__ volatile ("frestore %0" : : "m" (*fpstate)); - } else { - __asm__ volatile (".chip 68k/68881\n\t" - "frestore %0\n\t" - ".chip 68k" - : : "m" (*fpstate)); - } - err = 0; - -out: - return err; -} - -static int mangle_kernel_stack(struct pt_regs *regs, int formatvec, - void __user *fp) -{ - int fsize = frame_extra_sizes[formatvec >> 12]; - if (fsize < 0) { - /* - * user process trying to return with weird frame format - */ -#ifdef DEBUG - printk("user process returning with weird frame format\n"); -#endif - return 1; - } - if (!fsize) { - regs->format = formatvec >> 12; - regs->vector = formatvec & 0xfff; - } else { - struct switch_stack *sw = (struct switch_stack *)regs - 1; - unsigned long buf[fsize / 2]; /* yes, twice as much */ - - /* that'll make sure that expansion won't crap over data */ - if (copy_from_user(buf + fsize / 4, fp, fsize)) - return 1; - - /* point of no return */ - regs->format = formatvec >> 12; - regs->vector = formatvec & 0xfff; -#define frame_offset (sizeof(struct pt_regs)+sizeof(struct switch_stack)) - __asm__ __volatile__ ( -#ifdef CONFIG_COLDFIRE - " movel %0,%/sp\n\t" - " bra ret_from_signal\n" -#else - " movel %0,%/a0\n\t" - " subl %1,%/a0\n\t" /* make room on stack */ - " movel %/a0,%/sp\n\t" /* set stack pointer */ - /* move switch_stack and pt_regs */ - "1: movel %0@+,%/a0@+\n\t" - " dbra %2,1b\n\t" - " lea %/sp@(%c3),%/a0\n\t" /* add offset of fmt */ - " lsrl #2,%1\n\t" - " subql #1,%1\n\t" - /* copy to the gap we'd made */ - "2: movel %4@+,%/a0@+\n\t" - " dbra %1,2b\n\t" - " bral ret_from_signal\n" -#endif - : /* no outputs, it doesn't ever return */ - : "a" (sw), "d" (fsize), "d" (frame_offset/4-1), - "n" (frame_offset), "a" (buf + fsize/4) - : "a0"); -#undef frame_offset - } - return 0; -} - -static inline int -restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *usc, void __user *fp) -{ - int formatvec; - struct sigcontext context; - int err; - - /* Always make any pending restarted system calls return -EINTR */ - current_thread_info()->restart_block.fn = do_no_restart_syscall; - - /* get previous context */ - if (copy_from_user(&context, usc, sizeof(context))) - goto badframe; - - /* restore passed registers */ - regs->d0 = context.sc_d0; - regs->d1 = context.sc_d1; - regs->a0 = context.sc_a0; - regs->a1 = context.sc_a1; - regs->sr = (regs->sr & 0xff00) | (context.sc_sr & 0xff); - regs->pc = context.sc_pc; - regs->orig_d0 = -1; /* disable syscall checks */ - wrusp(context.sc_usp); - formatvec = context.sc_formatvec; - - err = restore_fpu_state(&context); - - if (err || mangle_kernel_stack(regs, formatvec, fp)) - goto badframe; - - return 0; - -badframe: - return 1; -} - -static inline int -rt_restore_ucontext(struct pt_regs *regs, struct switch_stack *sw, - struct ucontext __user *uc) -{ - int temp; - greg_t __user *gregs = uc->uc_mcontext.gregs; - unsigned long usp; - int err; - - /* Always make any pending restarted system calls return -EINTR */ - current_thread_info()->restart_block.fn = do_no_restart_syscall; - - err = __get_user(temp, &uc->uc_mcontext.version); - if (temp != MCONTEXT_VERSION) - goto badframe; - /* restore passed registers */ - err |= __get_user(regs->d0, &gregs[0]); - err |= __get_user(regs->d1, &gregs[1]); - err |= __get_user(regs->d2, &gregs[2]); - err |= __get_user(regs->d3, &gregs[3]); - err |= __get_user(regs->d4, &gregs[4]); - err |= __get_user(regs->d5, &gregs[5]); - err |= __get_user(sw->d6, &gregs[6]); - err |= __get_user(sw->d7, &gregs[7]); - err |= __get_user(regs->a0, &gregs[8]); - err |= __get_user(regs->a1, &gregs[9]); - err |= __get_user(regs->a2, &gregs[10]); - err |= __get_user(sw->a3, &gregs[11]); - err |= __get_user(sw->a4, &gregs[12]); - err |= __get_user(sw->a5, &gregs[13]); - err |= __get_user(sw->a6, &gregs[14]); - err |= __get_user(usp, &gregs[15]); - wrusp(usp); - err |= __get_user(regs->pc, &gregs[16]); - err |= __get_user(temp, &gregs[17]); - regs->sr = (regs->sr & 0xff00) | (temp & 0xff); - regs->orig_d0 = -1; /* disable syscall checks */ - err |= __get_user(temp, &uc->uc_formatvec); - - err |= rt_restore_fpu_state(uc); - - if (err || do_sigaltstack(&uc->uc_stack, NULL, usp) == -EFAULT) - goto badframe; - - if (mangle_kernel_stack(regs, temp, &uc->uc_extra)) - goto badframe; - - return 0; - -badframe: - return 1; -} - -asmlinkage int do_sigreturn(unsigned long __unused) -{ - struct switch_stack *sw = (struct switch_stack *) &__unused; - struct pt_regs *regs = (struct pt_regs *) (sw + 1); - unsigned long usp = rdusp(); - struct sigframe __user *frame = (struct sigframe __user *)(usp - 4); - sigset_t set; - - if (!access_ok(VERIFY_READ, frame, sizeof(*frame))) - goto badframe; - if (__get_user(set.sig[0], &frame->sc.sc_mask) || - (_NSIG_WORDS > 1 && - __copy_from_user(&set.sig[1], &frame->extramask, - sizeof(frame->extramask)))) - goto badframe; - - sigdelsetmask(&set, ~_BLOCKABLE); - current->blocked = set; - recalc_sigpending(); - - if (restore_sigcontext(regs, &frame->sc, frame + 1)) - goto badframe; - return regs->d0; - -badframe: - force_sig(SIGSEGV, current); - return 0; -} - -asmlinkage int do_rt_sigreturn(unsigned long __unused) -{ - struct switch_stack *sw = (struct switch_stack *) &__unused; - struct pt_regs *regs = (struct pt_regs *) (sw + 1); - unsigned long usp = rdusp(); - struct rt_sigframe __user *frame = (struct rt_sigframe __user *)(usp - 4); - sigset_t set; - - if (!access_ok(VERIFY_READ, frame, sizeof(*frame))) - goto badframe; - if (__copy_from_user(&set, &frame->uc.uc_sigmask, sizeof(set))) - goto badframe; - - sigdelsetmask(&set, ~_BLOCKABLE); - current->blocked = set; - recalc_sigpending(); - - if (rt_restore_ucontext(regs, sw, &frame->uc)) - goto badframe; - return regs->d0; - -badframe: - force_sig(SIGSEGV, current); - return 0; -} - -/* - * Set up a signal frame. - */ - -static inline void save_fpu_state(struct sigcontext *sc, struct pt_regs *regs) -{ - if (FPU_IS_EMU) { - /* save registers */ - memcpy(sc->sc_fpcntl, current->thread.fpcntl, 12); - memcpy(sc->sc_fpregs, current->thread.fp, 24); - return; - } - - if (CPU_IS_COLDFIRE) { - __asm__ volatile ("fsave %0" - : : "m" (*sc->sc_fpstate) : "memory"); - } else { - __asm__ volatile (".chip 68k/68881\n\t" - "fsave %0\n\t" - ".chip 68k" - : : "m" (*sc->sc_fpstate) : "memory"); - } - - if (CPU_IS_060 ? sc->sc_fpstate[2] : sc->sc_fpstate[0]) { - fpu_version = sc->sc_fpstate[0]; - if (CPU_IS_020_OR_030 && - regs->vector >= (VEC_FPBRUC * 4) && - regs->vector <= (VEC_FPNAN * 4)) { - /* Clear pending exception in 68882 idle frame */ - if (*(unsigned short *) sc->sc_fpstate == 0x1f38) - sc->sc_fpstate[0x38] |= 1 << 3; - } - - if (CPU_IS_COLDFIRE) { - __asm__ volatile ("fmovemd %%fp0-%%fp1,%0\n\t" - "fmovel %%fpcr,%1\n\t" - "fmovel %%fpsr,%2\n\t" - "fmovel %%fpiar,%3" - : "=m" (sc->sc_fpregs[0]), - "=m" (sc->sc_fpcntl[0]), - "=m" (sc->sc_fpcntl[1]), - "=m" (sc->sc_fpcntl[2]) - : /* no inputs */ - : "memory"); - } else { - __asm__ volatile (".chip 68k/68881\n\t" - "fmovemx %%fp0-%%fp1,%0\n\t" - "fmoveml %%fpcr/%%fpsr/%%fpiar,%1\n\t" - ".chip 68k" - : "=m" (*sc->sc_fpregs), - "=m" (*sc->sc_fpcntl) - : /* no inputs */ - : "memory"); - } - } -} - -static inline int rt_save_fpu_state(struct ucontext __user *uc, struct pt_regs *regs) -{ - unsigned char fpstate[FPCONTEXT_SIZE]; - int context_size = CPU_IS_060 ? 8 : (CPU_IS_COLDFIRE ? 12 : 0); - int err = 0; - - if (FPU_IS_EMU) { - /* save fpu control register */ - err |= copy_to_user(uc->uc_mcontext.fpregs.f_fpcntl, - current->thread.fpcntl, 12); - /* save all other fpu register */ - err |= copy_to_user(uc->uc_mcontext.fpregs.f_fpregs, - current->thread.fp, 96); - return err; - } - - if (CPU_IS_COLDFIRE) { - __asm__ volatile ("fsave %0" : : "m" (*fpstate) : "memory"); - } else { - __asm__ volatile (".chip 68k/68881\n\t" - "fsave %0\n\t" - ".chip 68k" - : : "m" (*fpstate) : "memory"); - } - - err |= __put_user(*(long *)fpstate, (long __user *)&uc->uc_fpstate); - if (CPU_IS_060 ? fpstate[2] : fpstate[0]) { - fpregset_t fpregs; - if (!(CPU_IS_060 || CPU_IS_COLDFIRE)) - context_size = fpstate[1]; - fpu_version = fpstate[0]; - if (CPU_IS_020_OR_030 && - regs->vector >= (VEC_FPBRUC * 4) && - regs->vector <= (VEC_FPNAN * 4)) { - /* Clear pending exception in 68882 idle frame */ - if (*(unsigned short *) fpstate == 0x1f38) - fpstate[0x38] |= 1 << 3; - } - if (CPU_IS_COLDFIRE) { - __asm__ volatile ("fmovemd %%fp0-%%fp7,%0\n\t" - "fmovel %%fpcr,%1\n\t" - "fmovel %%fpsr,%2\n\t" - "fmovel %%fpiar,%3" - : "=m" (fpregs.f_fpregs[0]), - "=m" (fpregs.f_fpcntl[0]), - "=m" (fpregs.f_fpcntl[1]), - "=m" (fpregs.f_fpcntl[2]) - : /* no inputs */ - : "memory"); - } else { - __asm__ volatile (".chip 68k/68881\n\t" - "fmovemx %%fp0-%%fp7,%0\n\t" - "fmoveml %%fpcr/%%fpsr/%%fpiar,%1\n\t" - ".chip 68k" - : "=m" (*fpregs.f_fpregs), - "=m" (*fpregs.f_fpcntl) - : /* no inputs */ - : "memory"); - } - err |= copy_to_user(&uc->uc_mcontext.fpregs, &fpregs, - sizeof(fpregs)); - } - if (context_size) - err |= copy_to_user((long __user *)&uc->uc_fpstate + 1, fpstate + 4, - context_size); - return err; -} - -static void setup_sigcontext(struct sigcontext *sc, struct pt_regs *regs, - unsigned long mask) -{ - sc->sc_mask = mask; - sc->sc_usp = rdusp(); - sc->sc_d0 = regs->d0; - sc->sc_d1 = regs->d1; - sc->sc_a0 = regs->a0; - sc->sc_a1 = regs->a1; - sc->sc_sr = regs->sr; - sc->sc_pc = regs->pc; - sc->sc_formatvec = regs->format << 12 | regs->vector; - save_fpu_state(sc, regs); -} - -static inline int rt_setup_ucontext(struct ucontext __user *uc, struct pt_regs *regs) -{ - struct switch_stack *sw = (struct switch_stack *)regs - 1; - greg_t __user *gregs = uc->uc_mcontext.gregs; - int err = 0; - - err |= __put_user(MCONTEXT_VERSION, &uc->uc_mcontext.version); - err |= __put_user(regs->d0, &gregs[0]); - err |= __put_user(regs->d1, &gregs[1]); - err |= __put_user(regs->d2, &gregs[2]); - err |= __put_user(regs->d3, &gregs[3]); - err |= __put_user(regs->d4, &gregs[4]); - err |= __put_user(regs->d5, &gregs[5]); - err |= __put_user(sw->d6, &gregs[6]); - err |= __put_user(sw->d7, &gregs[7]); - err |= __put_user(regs->a0, &gregs[8]); - err |= __put_user(regs->a1, &gregs[9]); - err |= __put_user(regs->a2, &gregs[10]); - err |= __put_user(sw->a3, &gregs[11]); - err |= __put_user(sw->a4, &gregs[12]); - err |= __put_user(sw->a5, &gregs[13]); - err |= __put_user(sw->a6, &gregs[14]); - err |= __put_user(rdusp(), &gregs[15]); - err |= __put_user(regs->pc, &gregs[16]); - err |= __put_user(regs->sr, &gregs[17]); - err |= __put_user((regs->format << 12) | regs->vector, &uc->uc_formatvec); - err |= rt_save_fpu_state(uc, regs); - return err; -} - -static inline void push_cache (unsigned long vaddr) -{ - /* - * Using the old cache_push_v() was really a big waste. - * - * What we are trying to do is to flush 8 bytes to ram. - * Flushing 2 cache lines of 16 bytes is much cheaper than - * flushing 1 or 2 pages, as previously done in - * cache_push_v(). - * Jes - */ - if (CPU_IS_040) { - unsigned long temp; - - __asm__ __volatile__ (".chip 68040\n\t" - "nop\n\t" - "ptestr (%1)\n\t" - "movec %%mmusr,%0\n\t" - ".chip 68k" - : "=r" (temp) - : "a" (vaddr)); - - temp &= PAGE_MASK; - temp |= vaddr & ~PAGE_MASK; - - __asm__ __volatile__ (".chip 68040\n\t" - "nop\n\t" - "cpushl %%bc,(%0)\n\t" - ".chip 68k" - : : "a" (temp)); - } - else if (CPU_IS_060) { - unsigned long temp; - __asm__ __volatile__ (".chip 68060\n\t" - "plpar (%0)\n\t" - ".chip 68k" - : "=a" (temp) - : "0" (vaddr)); - __asm__ __volatile__ (".chip 68060\n\t" - "cpushl %%bc,(%0)\n\t" - ".chip 68k" - : : "a" (temp)); - } else if (!CPU_IS_COLDFIRE) { - /* - * 68030/68020 have no writeback cache; - * still need to clear icache. - * Note that vaddr is guaranteed to be long word aligned. - */ - unsigned long temp; - asm volatile ("movec %%cacr,%0" : "=r" (temp)); - temp += 4; - asm volatile ("movec %0,%%caar\n\t" - "movec %1,%%cacr" - : : "r" (vaddr), "r" (temp)); - asm volatile ("movec %0,%%caar\n\t" - "movec %1,%%cacr" - : : "r" (vaddr + 4), "r" (temp)); - } -} - -static inline void __user * -get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, size_t frame_size) -{ - unsigned long usp; - - /* Default to using normal stack. */ - usp = rdusp(); - - /* This is the X/Open sanctioned signal stack switching. */ - if (ka->sa.sa_flags & SA_ONSTACK) { - if (!sas_ss_flags(usp)) - usp = current->sas_ss_sp + current->sas_ss_size; - } - return (void __user *)((usp - frame_size) & -8UL); -} - -static int setup_frame (int sig, struct k_sigaction *ka, - sigset_t *set, struct pt_regs *regs) -{ - struct sigframe __user *frame; - int fsize = frame_extra_sizes[regs->format]; - struct sigcontext context; - int err = 0; - - if (fsize < 0) { -#ifdef DEBUG - printk ("setup_frame: Unknown frame format %#x\n", - regs->format); -#endif - goto give_sigsegv; - } - - frame = get_sigframe(ka, regs, sizeof(*frame) + fsize); - - if (fsize) - err |= copy_to_user (frame + 1, regs + 1, fsize); - - err |= __put_user((current_thread_info()->exec_domain - && current_thread_info()->exec_domain->signal_invmap - && sig < 32 - ? current_thread_info()->exec_domain->signal_invmap[sig] - : sig), - &frame->sig); - - err |= __put_user(regs->vector, &frame->code); - err |= __put_user(&frame->sc, &frame->psc); - - if (_NSIG_WORDS > 1) - err |= copy_to_user(frame->extramask, &set->sig[1], - sizeof(frame->extramask)); - - setup_sigcontext(&context, regs, set->sig[0]); - err |= copy_to_user (&frame->sc, &context, sizeof(context)); - - /* Set up to return from userspace. */ - err |= __put_user(frame->retcode, &frame->pretcode); - /* moveq #,d0; trap #0 */ - err |= __put_user(0x70004e40 + (__NR_sigreturn << 16), - (long __user *)(frame->retcode)); - - if (err) - goto give_sigsegv; - - push_cache ((unsigned long) &frame->retcode); - - /* - * Set up registers for signal handler. All the state we are about - * to destroy is successfully copied to sigframe. - */ - wrusp ((unsigned long) frame); - regs->pc = (unsigned long) ka->sa.sa_handler; - - /* - * This is subtle; if we build more than one sigframe, all but the - * first one will see frame format 0 and have fsize == 0, so we won't - * screw stkadj. - */ - if (fsize) - regs->stkadj = fsize; - - /* Prepare to skip over the extra stuff in the exception frame. */ - if (regs->stkadj) { - struct pt_regs *tregs = - (struct pt_regs *)((ulong)regs + regs->stkadj); -#ifdef DEBUG - printk("Performing stackadjust=%04x\n", regs->stkadj); -#endif - /* This must be copied with decreasing addresses to - handle overlaps. */ - tregs->vector = 0; - tregs->format = 0; - tregs->pc = regs->pc; - tregs->sr = regs->sr; - } - return 0; - -give_sigsegv: - force_sigsegv(sig, current); - return err; -} - -static int setup_rt_frame (int sig, struct k_sigaction *ka, siginfo_t *info, - sigset_t *set, struct pt_regs *regs) -{ - struct rt_sigframe __user *frame; - int fsize = frame_extra_sizes[regs->format]; - int err = 0; - - if (fsize < 0) { -#ifdef DEBUG - printk ("setup_frame: Unknown frame format %#x\n", - regs->format); -#endif - goto give_sigsegv; - } - - frame = get_sigframe(ka, regs, sizeof(*frame)); - - if (fsize) - err |= copy_to_user (&frame->uc.uc_extra, regs + 1, fsize); - - err |= __put_user((current_thread_info()->exec_domain - && current_thread_info()->exec_domain->signal_invmap - && sig < 32 - ? current_thread_info()->exec_domain->signal_invmap[sig] - : sig), - &frame->sig); - err |= __put_user(&frame->info, &frame->pinfo); - err |= __put_user(&frame->uc, &frame->puc); - err |= copy_siginfo_to_user(&frame->info, info); - - /* Create the ucontext. */ - err |= __put_user(0, &frame->uc.uc_flags); - err |= __put_user(NULL, &frame->uc.uc_link); - err |= __put_user((void __user *)current->sas_ss_sp, - &frame->uc.uc_stack.ss_sp); - err |= __put_user(sas_ss_flags(rdusp()), - &frame->uc.uc_stack.ss_flags); - err |= __put_user(current->sas_ss_size, &frame->uc.uc_stack.ss_size); - err |= rt_setup_ucontext(&frame->uc, regs); - err |= copy_to_user (&frame->uc.uc_sigmask, set, sizeof(*set)); - - /* Set up to return from userspace. */ - err |= __put_user(frame->retcode, &frame->pretcode); -#ifdef __mcoldfire__ - /* movel #__NR_rt_sigreturn,d0; trap #0 */ - err |= __put_user(0x203c0000, (long __user *)(frame->retcode + 0)); - err |= __put_user(0x00004e40 + (__NR_rt_sigreturn << 16), - (long __user *)(frame->retcode + 4)); -#else - /* moveq #,d0; notb d0; trap #0 */ - err |= __put_user(0x70004600 + ((__NR_rt_sigreturn ^ 0xff) << 16), - (long __user *)(frame->retcode + 0)); - err |= __put_user(0x4e40, (short __user *)(frame->retcode + 4)); -#endif - - if (err) - goto give_sigsegv; - - push_cache ((unsigned long) &frame->retcode); - - /* - * Set up registers for signal handler. All the state we are about - * to destroy is successfully copied to sigframe. - */ - wrusp ((unsigned long) frame); - regs->pc = (unsigned long) ka->sa.sa_handler; - - /* - * This is subtle; if we build more than one sigframe, all but the - * first one will see frame format 0 and have fsize == 0, so we won't - * screw stkadj. - */ - if (fsize) - regs->stkadj = fsize; - - /* Prepare to skip over the extra stuff in the exception frame. */ - if (regs->stkadj) { - struct pt_regs *tregs = - (struct pt_regs *)((ulong)regs + regs->stkadj); -#ifdef DEBUG - printk("Performing stackadjust=%04x\n", regs->stkadj); -#endif - /* This must be copied with decreasing addresses to - handle overlaps. */ - tregs->vector = 0; - tregs->format = 0; - tregs->pc = regs->pc; - tregs->sr = regs->sr; - } - return 0; - -give_sigsegv: - force_sigsegv(sig, current); - return err; -} - -static inline void -handle_restart(struct pt_regs *regs, struct k_sigaction *ka, int has_handler) -{ - switch (regs->d0) { - case -ERESTARTNOHAND: - if (!has_handler) - goto do_restart; - regs->d0 = -EINTR; - break; - - case -ERESTART_RESTARTBLOCK: - if (!has_handler) { - regs->d0 = __NR_restart_syscall; - regs->pc -= 2; - break; - } - regs->d0 = -EINTR; - break; - - case -ERESTARTSYS: - if (has_handler && !(ka->sa.sa_flags & SA_RESTART)) { - regs->d0 = -EINTR; - break; - } - /* fallthrough */ - case -ERESTARTNOINTR: - do_restart: - regs->d0 = regs->orig_d0; - regs->pc -= 2; - break; - } -} - -void ptrace_signal_deliver(struct pt_regs *regs, void *cookie) -{ - if (regs->orig_d0 < 0) - return; - switch (regs->d0) { - case -ERESTARTNOHAND: - case -ERESTARTSYS: - case -ERESTARTNOINTR: - regs->d0 = regs->orig_d0; - regs->orig_d0 = -1; - regs->pc -= 2; - break; - } -} - -/* - * OK, we're invoking a handler - */ -static void -handle_signal(int sig, struct k_sigaction *ka, siginfo_t *info, - sigset_t *oldset, struct pt_regs *regs) -{ - int err; - /* are we from a system call? */ - if (regs->orig_d0 >= 0) - /* If so, check system call restarting.. */ - handle_restart(regs, ka, 1); - - /* set up the stack frame */ - if (ka->sa.sa_flags & SA_SIGINFO) - err = setup_rt_frame(sig, ka, info, oldset, regs); - else - err = setup_frame(sig, ka, oldset, regs); - - if (err) - return; - - sigorsets(¤t->blocked,¤t->blocked,&ka->sa.sa_mask); - if (!(ka->sa.sa_flags & SA_NODEFER)) - sigaddset(¤t->blocked,sig); - recalc_sigpending(); - - if (test_thread_flag(TIF_DELAYED_TRACE)) { - regs->sr &= ~0x8000; - send_sig(SIGTRAP, current, 1); - } - - clear_thread_flag(TIF_RESTORE_SIGMASK); -} - -/* - * Note that 'init' is a special process: it doesn't get signals it doesn't - * want to handle. Thus you cannot kill init even with a SIGKILL even by - * mistake. - */ -asmlinkage void do_signal(struct pt_regs *regs) -{ - siginfo_t info; - struct k_sigaction ka; - int signr; - sigset_t *oldset; - - current->thread.esp0 = (unsigned long) regs; - - if (test_thread_flag(TIF_RESTORE_SIGMASK)) - oldset = ¤t->saved_sigmask; - else - oldset = ¤t->blocked; - - signr = get_signal_to_deliver(&info, &ka, regs, NULL); - if (signr > 0) { - /* Whee! Actually deliver the signal. */ - handle_signal(signr, &ka, &info, oldset, regs); - return; - } - - /* Did we come from a system call? */ - if (regs->orig_d0 >= 0) - /* Restart the system call - no handlers present */ - handle_restart(regs, NULL, 0); - - /* If there's no signal to deliver, we just restore the saved mask. */ - if (test_thread_flag(TIF_RESTORE_SIGMASK)) { - clear_thread_flag(TIF_RESTORE_SIGMASK); - sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); - } -} diff --git a/arch/m68k/kernel/signal_no.c b/arch/m68k/kernel/signal_no.c deleted file mode 100644 index 36a81bb..0000000 --- a/arch/m68k/kernel/signal_no.c +++ /dev/null @@ -1,765 +0,0 @@ -/* - * linux/arch/m68knommu/kernel/signal.c - * - * Copyright (C) 1991, 1992 Linus Torvalds - * - * 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. - */ - -/* - * Linux/m68k support by Hamish Macdonald - * - * 68060 fixes by Jesper Skov - * - * 1997-12-01 Modified for POSIX.1b signals by Andreas Schwab - * - * mathemu support by Roman Zippel - * (Note: fpstate in the signal context is completely ignored for the emulator - * and the internal floating point format is put on stack) - */ - -/* - * ++roman (07/09/96): implemented signal stacks (specially for tosemu on - * Atari :-) Current limitation: Only one sigstack can be active at one time. - * If a second signal with SA_ONSTACK set arrives while working on a sigstack, - * SA_ONSTACK is ignored. This behaviour avoids lots of trouble with nested - * signal handlers! - */ - -#include <linux/sched.h> -#include <linux/mm.h> -#include <linux/kernel.h> -#include <linux/signal.h> -#include <linux/syscalls.h> -#include <linux/errno.h> -#include <linux/wait.h> -#include <linux/ptrace.h> -#include <linux/unistd.h> -#include <linux/stddef.h> -#include <linux/highuid.h> -#include <linux/tty.h> -#include <linux/personality.h> -#include <linux/binfmts.h> - -#include <asm/setup.h> -#include <asm/uaccess.h> -#include <asm/pgtable.h> -#include <asm/traps.h> -#include <asm/ucontext.h> - -#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP))) - -void ret_from_user_signal(void); -void ret_from_user_rt_signal(void); - -/* - * Atomically swap in the new signal mask, and wait for a signal. - */ -asmlinkage int -sys_sigsuspend(int unused0, int unused1, old_sigset_t mask) -{ - mask &= _BLOCKABLE; - spin_lock_irq(¤t->sighand->siglock); - current->saved_sigmask = current->blocked; - siginitset(¤t->blocked, mask); - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); - - current->state = TASK_INTERRUPTIBLE; - schedule(); - set_restore_sigmask(); - - return -ERESTARTNOHAND; -} - -asmlinkage int -sys_sigaction(int sig, const struct old_sigaction __user *act, - struct old_sigaction __user *oact) -{ - struct k_sigaction new_ka, old_ka; - int ret; - - if (act) { - old_sigset_t mask; - if (!access_ok(VERIFY_READ, act, sizeof(*act)) || - __get_user(new_ka.sa.sa_handler, &act->sa_handler) || - __get_user(new_ka.sa.sa_restorer, &act->sa_restorer) || - __get_user(new_ka.sa.sa_flags, &act->sa_flags) || - __get_user(mask, &act->sa_mask)) - return -EFAULT; - siginitset(&new_ka.sa.sa_mask, mask); - } - - ret = do_sigaction(sig, act ? &new_ka : NULL, oact ? &old_ka : NULL); - - if (!ret && oact) { - if (!access_ok(VERIFY_WRITE, oact, sizeof(*oact)) || - __put_user(old_ka.sa.sa_handler, &oact->sa_handler) || - __put_user(old_ka.sa.sa_restorer, &oact->sa_restorer) || - __put_user(old_ka.sa.sa_flags, &oact->sa_flags) || - __put_user(old_ka.sa.sa_mask.sig[0], &oact->sa_mask)) - return -EFAULT; - } - - return ret; -} - -asmlinkage int -sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss) -{ - return do_sigaltstack(uss, uoss, rdusp()); -} - - -/* - * Do a signal return; undo the signal stack. - * - * Keep the return code on the stack quadword aligned! - * That makes the cache flush below easier. - */ - -struct sigframe -{ - char __user *pretcode; - int sig; - int code; - struct sigcontext __user *psc; - char retcode[8]; - unsigned long extramask[_NSIG_WORDS-1]; - struct sigcontext sc; -}; - -struct rt_sigframe -{ - char __user *pretcode; - int sig; - struct siginfo __user *pinfo; - void __user *puc; - char retcode[8]; - struct siginfo info; - struct ucontext uc; -}; - -#ifdef CONFIG_FPU - -static unsigned char fpu_version = 0; /* version number of fpu, set by setup_frame */ - -static inline int restore_fpu_state(struct sigcontext *sc) -{ - int err = 1; - - if (FPU_IS_EMU) { - /* restore registers */ - memcpy(current->thread.fpcntl, sc->sc_fpcntl, 12); - memcpy(current->thread.fp, sc->sc_fpregs, 24); - return 0; - } - - if (sc->sc_fpstate[0]) { - /* Verify the frame format. */ - if (sc->sc_fpstate[0] != fpu_version) - goto out; - - __asm__ volatile (".chip 68k/68881\n\t" - "fmovemx %0,%%fp0-%%fp1\n\t" - "fmoveml %1,%%fpcr/%%fpsr/%%fpiar\n\t" - ".chip 68k" - : /* no outputs */ - : "m" (*sc->sc_fpregs), "m" (*sc->sc_fpcntl)); - } - __asm__ volatile (".chip 68k/68881\n\t" - "frestore %0\n\t" - ".chip 68k" : : "m" (*sc->sc_fpstate)); - err = 0; - -out: - return err; -} - -#define FPCONTEXT_SIZE 216 -#define uc_fpstate uc_filler[0] -#define uc_formatvec uc_filler[FPCONTEXT_SIZE/4] -#define uc_extra uc_filler[FPCONTEXT_SIZE/4+1] - -static inline int rt_restore_fpu_state(struct ucontext __user *uc) -{ - unsigned char fpstate[FPCONTEXT_SIZE]; - int context_size = 0; - fpregset_t fpregs; - int err = 1; - - if (FPU_IS_EMU) { - /* restore fpu control register */ - if (__copy_from_user(current->thread.fpcntl, - uc->uc_mcontext.fpregs.f_fpcntl, 12)) - goto out; - /* restore all other fpu register */ - if (__copy_from_user(current->thread.fp, - uc->uc_mcontext.fpregs.f_fpregs, 96)) - goto out; - return 0; - } - - if (__get_user(*(long *)fpstate, (long __user *)&uc->uc_fpstate)) - goto out; - if (fpstate[0]) { - context_size = fpstate[1]; - - /* Verify the frame format. */ - if (fpstate[0] != fpu_version) - goto out; - if (__copy_from_user(&fpregs, &uc->uc_mcontext.fpregs, - sizeof(fpregs))) - goto out; - __asm__ volatile (".chip 68k/68881\n\t" - "fmovemx %0,%%fp0-%%fp7\n\t" - "fmoveml %1,%%fpcr/%%fpsr/%%fpiar\n\t" - ".chip 68k" - : /* no outputs */ - : "m" (*fpregs.f_fpregs), - "m" (*fpregs.f_fpcntl)); - } - if (context_size && - __copy_from_user(fpstate + 4, (long __user *)&uc->uc_fpstate + 1, - context_size)) - goto out; - __asm__ volatile (".chip 68k/68881\n\t" - "frestore %0\n\t" - ".chip 68k" : : "m" (*fpstate)); - err = 0; - -out: - return err; -} - -#endif - -static inline int -restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *usc, void __user *fp, - int *pd0) -{ - int formatvec; - struct sigcontext context; - int err = 0; - - /* Always make any pending restarted system calls return -EINTR */ - current_thread_info()->restart_block.fn = do_no_restart_syscall; - - /* get previous context */ - if (copy_from_user(&context, usc, sizeof(context))) - goto badframe; - - /* restore passed registers */ - regs->d1 = context.sc_d1; - regs->a0 = context.sc_a0; - regs->a1 = context.sc_a1; - ((struct switch_stack *)regs - 1)->a5 = context.sc_a5; - regs->sr = (regs->sr & 0xff00) | (context.sc_sr & 0xff); - regs->pc = context.sc_pc; - regs->orig_d0 = -1; /* disable syscall checks */ - wrusp(context.sc_usp); - formatvec = context.sc_formatvec; - regs->format = formatvec >> 12; - regs->vector = formatvec & 0xfff; - -#ifdef CONFIG_FPU - err = restore_fpu_state(&context); -#endif - - *pd0 = context.sc_d0; - return err; - -badframe: - return 1; -} - -static inline int -rt_restore_ucontext(struct pt_regs *regs, struct switch_stack *sw, - struct ucontext __user *uc, int *pd0) -{ - int temp; - greg_t __user *gregs = uc->uc_mcontext.gregs; - unsigned long usp; - int err; - - /* Always make any pending restarted system calls return -EINTR */ - current_thread_info()->restart_block.fn = do_no_restart_syscall; - - err = __get_user(temp, &uc->uc_mcontext.version); - if (temp != MCONTEXT_VERSION) - goto badframe; - /* restore passed registers */ - err |= __get_user(regs->d0, &gregs[0]); - err |= __get_user(regs->d1, &gregs[1]); - err |= __get_user(regs->d2, &gregs[2]); - err |= __get_user(regs->d3, &gregs[3]); - err |= __get_user(regs->d4, &gregs[4]); - err |= __get_user(regs->d5, &gregs[5]); - err |= __get_user(sw->d6, &gregs[6]); - err |= __get_user(sw->d7, &gregs[7]); - err |= __get_user(regs->a0, &gregs[8]); - err |= __get_user(regs->a1, &gregs[9]); - err |= __get_user(regs->a2, &gregs[10]); - err |= __get_user(sw->a3, &gregs[11]); - err |= __get_user(sw->a4, &gregs[12]); - err |= __get_user(sw->a5, &gregs[13]); - err |= __get_user(sw->a6, &gregs[14]); - err |= __get_user(usp, &gregs[15]); - wrusp(usp); - err |= __get_user(regs->pc, &gregs[16]); - err |= __get_user(temp, &gregs[17]); - regs->sr = (regs->sr & 0xff00) | (temp & 0xff); - regs->orig_d0 = -1; /* disable syscall checks */ - regs->format = temp >> 12; - regs->vector = temp & 0xfff; - - if (do_sigaltstack(&uc->uc_stack, NULL, usp) == -EFAULT) - goto badframe; - - *pd0 = regs->d0; - return err; - -badframe: - return 1; -} - -asmlinkage int do_sigreturn(unsigned long __unused) -{ - struct switch_stack *sw = (struct switch_stack *) &__unused; - struct pt_regs *regs = (struct pt_regs *) (sw + 1); - unsigned long usp = rdusp(); - struct sigframe __user *frame = (struct sigframe __user *)(usp - 4); - sigset_t set; - int d0; - - if (!access_ok(VERIFY_READ, frame, sizeof(*frame))) - goto badframe; - if (__get_user(set.sig[0], &frame->sc.sc_mask) || - (_NSIG_WORDS > 1 && - __copy_from_user(&set.sig[1], &frame->extramask, - sizeof(frame->extramask)))) - goto badframe; - - sigdelsetmask(&set, ~_BLOCKABLE); - spin_lock_irq(¤t->sighand->siglock); - current->blocked = set; - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); - - if (restore_sigcontext(regs, &frame->sc, frame + 1, &d0)) - goto badframe; - return d0; - -badframe: - force_sig(SIGSEGV, current); - return 0; -} - -asmlinkage int do_rt_sigreturn(unsigned long __unused) -{ - struct switch_stack *sw = (struct switch_stack *) &__unused; - struct pt_regs *regs = (struct pt_regs *) (sw + 1); - unsigned long usp = rdusp(); - struct rt_sigframe __user *frame = (struct rt_sigframe __user *)(usp - 4); - sigset_t set; - int d0; - - if (!access_ok(VERIFY_READ, frame, sizeof(*frame))) - goto badframe; - if (__copy_from_user(&set, &frame->uc.uc_sigmask, sizeof(set))) - goto badframe; - - sigdelsetmask(&set, ~_BLOCKABLE); - spin_lock_irq(¤t->sighand->siglock); - current->blocked = set; - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); - - if (rt_restore_ucontext(regs, sw, &frame->uc, &d0)) - goto badframe; - return d0; - -badframe: - force_sig(SIGSEGV, current); - return 0; -} - -#ifdef CONFIG_FPU -/* - * Set up a signal frame. - */ - -static inline void save_fpu_state(struct sigcontext *sc, struct pt_regs *regs) -{ - if (FPU_IS_EMU) { - /* save registers */ - memcpy(sc->sc_fpcntl, current->thread.fpcntl, 12); - memcpy(sc->sc_fpregs, current->thread.fp, 24); - return; - } - - __asm__ volatile (".chip 68k/68881\n\t" - "fsave %0\n\t" - ".chip 68k" - : : "m" (*sc->sc_fpstate) : "memory"); - - if (sc->sc_fpstate[0]) { - fpu_version = sc->sc_fpstate[0]; - __asm__ volatile (".chip 68k/68881\n\t" - "fmovemx %%fp0-%%fp1,%0\n\t" - "fmoveml %%fpcr/%%fpsr/%%fpiar,%1\n\t" - ".chip 68k" - : "=m" (*sc->sc_fpregs), - "=m" (*sc->sc_fpcntl) - : /* no inputs */ - : "memory"); - } -} - -static inline int rt_save_fpu_state(struct ucontext __user *uc, struct pt_regs *regs) -{ - unsigned char fpstate[FPCONTEXT_SIZE]; - int context_size = 0; - int err = 0; - - if (FPU_IS_EMU) { - /* save fpu control register */ - err |= copy_to_user(uc->uc_mcontext.fpregs.f_pcntl, - current->thread.fpcntl, 12); - /* save all other fpu register */ - err |= copy_to_user(uc->uc_mcontext.fpregs.f_fpregs, - current->thread.fp, 96); - return err; - } - - __asm__ volatile (".chip 68k/68881\n\t" - "fsave %0\n\t" - ".chip 68k" - : : "m" (*fpstate) : "memory"); - - err |= __put_user(*(long *)fpstate, (long __user *)&uc->uc_fpstate); - if (fpstate[0]) { - fpregset_t fpregs; - context_size = fpstate[1]; - fpu_version = fpstate[0]; - __asm__ volatile (".chip 68k/68881\n\t" - "fmovemx %%fp0-%%fp7,%0\n\t" - "fmoveml %%fpcr/%%fpsr/%%fpiar,%1\n\t" - ".chip 68k" - : "=m" (*fpregs.f_fpregs), - "=m" (*fpregs.f_fpcntl) - : /* no inputs */ - : "memory"); - err |= copy_to_user(&uc->uc_mcontext.fpregs, &fpregs, - sizeof(fpregs)); - } - if (context_size) - err |= copy_to_user((long __user *)&uc->uc_fpstate + 1, fpstate + 4, - context_size); - return err; -} - -#endif - -static void setup_sigcontext(struct sigcontext *sc, struct pt_regs *regs, - unsigned long mask) -{ - sc->sc_mask = mask; - sc->sc_usp = rdusp(); - sc->sc_d0 = regs->d0; - sc->sc_d1 = regs->d1; - sc->sc_a0 = regs->a0; - sc->sc_a1 = regs->a1; - sc->sc_a5 = ((struct switch_stack *)regs - 1)->a5; - sc->sc_sr = regs->sr; - sc->sc_pc = regs->pc; - sc->sc_formatvec = regs->format << 12 | regs->vector; -#ifdef CONFIG_FPU - save_fpu_state(sc, regs); -#endif -} - -static inline int rt_setup_ucontext(struct ucontext __user *uc, struct pt_regs *regs) -{ - struct switch_stack *sw = (struct switch_stack *)regs - 1; - greg_t __user *gregs = uc->uc_mcontext.gregs; - int err = 0; - - err |= __put_user(MCONTEXT_VERSION, &uc->uc_mcontext.version); - err |= __put_user(regs->d0, &gregs[0]); - err |= __put_user(regs->d1, &gregs[1]); - err |= __put_user(regs->d2, &gregs[2]); - err |= __put_user(regs->d3, &gregs[3]); - err |= __put_user(regs->d4, &gregs[4]); - err |= __put_user(regs->d5, &gregs[5]); - err |= __put_user(sw->d6, &gregs[6]); - err |= __put_user(sw->d7, &gregs[7]); - err |= __put_user(regs->a0, &gregs[8]); - err |= __put_user(regs->a1, &gregs[9]); - err |= __put_user(regs->a2, &gregs[10]); - err |= __put_user(sw->a3, &gregs[11]); - err |= __put_user(sw->a4, &gregs[12]); - err |= __put_user(sw->a5, &gregs[13]); - err |= __put_user(sw->a6, &gregs[14]); - err |= __put_user(rdusp(), &gregs[15]); - err |= __put_user(regs->pc, &gregs[16]); - err |= __put_user(regs->sr, &gregs[17]); -#ifdef CONFIG_FPU - err |= rt_save_fpu_state(uc, regs); -#endif - return err; -} - -static inline void __user * -get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, size_t frame_size) -{ - unsigned long usp; - - /* Default to using normal stack. */ - usp = rdusp(); - - /* This is the X/Open sanctioned signal stack switching. */ - if (ka->sa.sa_flags & SA_ONSTACK) { - if (!sas_ss_flags(usp)) - usp = current->sas_ss_sp + current->sas_ss_size; - } - return (void __user *)((usp - frame_size) & -8UL); -} - -static int setup_frame (int sig, struct k_sigaction *ka, - sigset_t *set, struct pt_regs *regs) -{ - struct sigframe __user *frame; - struct sigcontext context; - int err = 0; - - frame = get_sigframe(ka, regs, sizeof(*frame)); - - err |= __put_user((current_thread_info()->exec_domain - && current_thread_info()->exec_domain->signal_invmap - && sig < 32 - ? current_thread_info()->exec_domain->signal_invmap[sig] - : sig), - &frame->sig); - - err |= __put_user(regs->vector, &frame->code); - err |= __put_user(&frame->sc, &frame->psc); - - if (_NSIG_WORDS > 1) - err |= copy_to_user(frame->extramask, &set->sig[1], - sizeof(frame->extramask)); - - setup_sigcontext(&context, regs, set->sig[0]); - err |= copy_to_user (&frame->sc, &context, sizeof(context)); - - /* Set up to return from userspace. */ - err |= __put_user((void *) ret_from_user_signal, &frame->pretcode); - - if (err) - goto give_sigsegv; - - /* Set up registers for signal handler */ - wrusp ((unsigned long) frame); - regs->pc = (unsigned long) ka->sa.sa_handler; - ((struct switch_stack *)regs - 1)->a5 = current->mm->start_data; - regs->format = 0x4; /*set format byte to make stack appear modulo 4 - which it will be when doing the rte */ - -adjust_stack: - /* Prepare to skip over the extra stuff in the exception frame. */ - if (regs->stkadj) { - struct pt_regs *tregs = - (struct pt_regs *)((ulong)regs + regs->stkadj); -#if defined(DEBUG) - printk(KERN_DEBUG "Performing stackadjust=%04x\n", regs->stkadj); -#endif - /* This must be copied with decreasing addresses to - handle overlaps. */ - tregs->vector = 0; - tregs->format = 0; - tregs->pc = regs->pc; - tregs->sr = regs->sr; - } - return err; - -give_sigsegv: - force_sigsegv(sig, current); - goto adjust_stack; -} - -static int setup_rt_frame (int sig, struct k_sigaction *ka, siginfo_t *info, - sigset_t *set, struct pt_regs *regs) -{ - struct rt_sigframe __user *frame; - int err = 0; - - frame = get_sigframe(ka, regs, sizeof(*frame)); - - err |= __put_user((current_thread_info()->exec_domain - && current_thread_info()->exec_domain->signal_invmap - && sig < 32 - ? current_thread_info()->exec_domain->signal_invmap[sig] - : sig), - &frame->sig); - err |= __put_user(&frame->info, &frame->pinfo); - err |= __put_user(&frame->uc, &frame->puc); - err |= copy_siginfo_to_user(&frame->info, info); - - /* Create the ucontext. */ - err |= __put_user(0, &frame->uc.uc_flags); - err |= __put_user(NULL, &frame->uc.uc_link); - err |= __put_user((void __user *)current->sas_ss_sp, - &frame->uc.uc_stack.ss_sp); - err |= __put_user(sas_ss_flags(rdusp()), - &frame->uc.uc_stack.ss_flags); - err |= __put_user(current->sas_ss_size, &frame->uc.uc_stack.ss_size); - err |= rt_setup_ucontext(&frame->uc, regs); - err |= copy_to_user (&frame->uc.uc_sigmask, set, sizeof(*set)); - - /* Set up to return from userspace. */ - err |= __put_user((void *) ret_from_user_rt_signal, &frame->pretcode); - - if (err) - goto give_sigsegv; - - /* Set up registers for signal handler */ - wrusp ((unsigned long) frame); - regs->pc = (unsigned long) ka->sa.sa_handler; - ((struct switch_stack *)regs - 1)->a5 = current->mm->start_data; - regs->format = 0x4; /*set format byte to make stack appear modulo 4 - which it will be when doing the rte */ - -adjust_stack: - /* Prepare to skip over the extra stuff in the exception frame. */ - if (regs->stkadj) { - struct pt_regs *tregs = - (struct pt_regs *)((ulong)regs + regs->stkadj); -#if defined(DEBUG) - printk(KERN_DEBUG "Performing stackadjust=%04x\n", regs->stkadj); -#endif - /* This must be copied with decreasing addresses to - handle overlaps. */ - tregs->vector = 0; - tregs->format = 0; - tregs->pc = regs->pc; - tregs->sr = regs->sr; - } - return err; - -give_sigsegv: - force_sigsegv(sig, current); - goto adjust_stack; -} - -static inline void -handle_restart(struct pt_regs *regs, struct k_sigaction *ka, int has_handler) -{ - switch (regs->d0) { - case -ERESTARTNOHAND: - if (!has_handler) - goto do_restart; - regs->d0 = -EINTR; - break; - - case -ERESTART_RESTARTBLOCK: - if (!has_handler) { - regs->d0 = __NR_restart_syscall; - regs->pc -= 2; - break; - } - regs->d0 = -EINTR; - break; - - case -ERESTARTSYS: - if (has_handler && !(ka->sa.sa_flags & SA_RESTART)) { - regs->d0 = -EINTR; - break; - } - /* fallthrough */ - case -ERESTARTNOINTR: - do_restart: - regs->d0 = regs->orig_d0; - regs->pc -= 2; - break; - } -} - -/* - * OK, we're invoking a handler - */ -static void -handle_signal(int sig, struct k_sigaction *ka, siginfo_t *info, - sigset_t *oldset, struct pt_regs *regs) -{ - int err; - /* are we from a system call? */ - if (regs->orig_d0 >= 0) - /* If so, check system call restarting.. */ - handle_restart(regs, ka, 1); - - /* set up the stack frame */ - if (ka->sa.sa_flags & SA_SIGINFO) - err = setup_rt_frame(sig, ka, info, oldset, regs); - else - err = setup_frame(sig, ka, oldset, regs); - - if (err) - return; - - spin_lock_irq(¤t->sighand->siglock); - sigorsets(¤t->blocked,¤t->blocked,&ka->sa.sa_mask); - if (!(ka->sa.sa_flags & SA_NODEFER)) - sigaddset(¤t->blocked,sig); - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); - - clear_thread_flag(TIF_RESTORE_SIGMASK); -} - -/* - * Note that 'init' is a special process: it doesn't get signals it doesn't - * want to handle. Thus you cannot kill init even with a SIGKILL even by - * mistake. - */ -asmlinkage void do_signal(struct pt_regs *regs) -{ - struct k_sigaction ka; - siginfo_t info; - int signr; - sigset_t *oldset; - - /* - * We want the common case to go fast, which - * is why we may in certain cases get here from - * kernel mode. Just return without doing anything - * if so. - */ - if (!user_mode(regs)) - return; - - if (test_thread_flag(TIF_RESTORE_SIGMASK)) - oldset = ¤t->saved_sigmask; - else - oldset = ¤t->blocked; - - signr = get_signal_to_deliver(&info, &ka, regs, NULL); - if (signr > 0) { - /* Whee! Actually deliver the signal. */ - handle_signal(signr, &ka, &info, oldset, regs); - return; - } - - /* Did we come from a system call? */ - if (regs->orig_d0 >= 0) { - /* Restart the system call - no handlers present */ - handle_restart(regs, NULL, 0); - } - - /* If there's no signal to deliver, we just restore the saved mask. */ - if (test_thread_flag(TIF_RESTORE_SIGMASK)) { - clear_thread_flag(TIF_RESTORE_SIGMASK); - sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); - } -} diff --git a/arch/m68k/mm/fault.c b/arch/m68k/mm/fault.c index 6b020a8..aeebbb7 100644 --- a/arch/m68k/mm/fault.c +++ b/arch/m68k/mm/fault.c @@ -72,7 +72,8 @@ int do_page_fault(struct pt_regs *regs, unsigned long address, { struct mm_struct *mm = current->mm; struct vm_area_struct * vma; - int write, fault; + int fault; + unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE; #ifdef DEBUG printk ("do page fault:\nregs->sr=%#x, regs->pc=%#lx, address=%#lx, %ld, %p\n", @@ -87,6 +88,7 @@ int do_page_fault(struct pt_regs *regs, unsigned long address, if (in_atomic() || !mm) goto no_context; +retry: down_read(&mm->mmap_sem); vma = find_vma(mm, address); @@ -117,14 +119,13 @@ good_area: #ifdef DEBUG printk("do_page_fault: good_area\n"); #endif - write = 0; switch (error_code & 3) { default: /* 3: write, present */ /* fall through */ case 2: /* write, not present */ if (!(vma->vm_flags & VM_WRITE)) goto acc_err; - write++; + flags |= FAULT_FLAG_WRITE; break; case 1: /* read, present */ goto acc_err; @@ -139,10 +140,14 @@ good_area: * the fault. */ - fault = handle_mm_fault(mm, vma, address, write ? FAULT_FLAG_WRITE : 0); + fault = handle_mm_fault(mm, vma, address, flags); #ifdef DEBUG printk("handle_mm_fault returns %d\n",fault); #endif + + if ((fault & VM_FAULT_RETRY) && fatal_signal_pending(current)) + return 0; + if (unlikely(fault & VM_FAULT_ERROR)) { if (fault & VM_FAULT_OOM) goto out_of_memory; @@ -150,10 +155,31 @@ good_area: goto bus_err; BUG(); } - if (fault & VM_FAULT_MAJOR) - current->maj_flt++; - else - current->min_flt++; + + /* + * Major/minor page fault accounting is only done on the + * initial attempt. If we go through a retry, it is extremely + * likely that the page will be found in page cache at that point. + */ + if (flags & FAULT_FLAG_ALLOW_RETRY) { + if (fault & VM_FAULT_MAJOR) + current->maj_flt++; + else + current->min_flt++; + if (fault & VM_FAULT_RETRY) { + /* Clear FAULT_FLAG_ALLOW_RETRY to avoid any risk + * of starvation. */ + 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 0; diff --git a/arch/m68k/platform/5206/Makefile b/arch/m68k/platform/5206/Makefile deleted file mode 100644 index b5db056..0000000 --- a/arch/m68k/platform/5206/Makefile +++ /dev/null @@ -1,18 +0,0 @@ -# -# Makefile for the m68knommu linux kernel. -# - -# -# If you want to play with the HW breakpoints then you will -# need to add define this, which will give you a stack backtrace -# on the console port whenever a DBG interrupt occurs. You have to -# set up you HW breakpoints to trigger a DBG interrupt: -# -# ccflags-y := -DTRAP_DBG_INTERRUPT -# asflags-y := -DTRAP_DBG_INTERRUPT -# - -asflags-$(CONFIG_FULLDEBUG) := -DDEBUGGER_COMPATIBLE_CACHE=1 - -obj-y := config.o gpio.o - diff --git a/arch/m68k/platform/5206/gpio.c b/arch/m68k/platform/5206/gpio.c deleted file mode 100644 index b9ab4a1..0000000 --- a/arch/m68k/platform/5206/gpio.c +++ /dev/null @@ -1,49 +0,0 @@ -/* - * Coldfire generic GPIO support - * - * (C) Copyright 2009, Steven King <sfking@fdwdc.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; version 2 of the License. - * - * 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/kernel.h> -#include <linux/init.h> - -#include <asm/coldfire.h> -#include <asm/mcfsim.h> -#include <asm/mcfgpio.h> - -static struct mcf_gpio_chip mcf_gpio_chips[] = { - { - .gpio_chip = { - .label = "PP", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value, - .ngpio = 8, - }, - .pddr = (void __iomem *) MCFSIM_PADDR, - .podr = (void __iomem *) MCFSIM_PADAT, - .ppdr = (void __iomem *) MCFSIM_PADAT, - }, -}; - -static int __init mcf_gpio_init(void) -{ - unsigned i = 0; - while (i < ARRAY_SIZE(mcf_gpio_chips)) - (void)gpiochip_add((struct gpio_chip *)&mcf_gpio_chips[i++]); - return 0; -} - -core_initcall(mcf_gpio_init); diff --git a/arch/m68k/platform/520x/Makefile b/arch/m68k/platform/520x/Makefile deleted file mode 100644 index ad3f4e5..0000000 --- a/arch/m68k/platform/520x/Makefile +++ /dev/null @@ -1,17 +0,0 @@ -# -# Makefile for the M5208 specific file. -# - -# -# If you want to play with the HW breakpoints then you will -# need to add define this, which will give you a stack backtrace -# on the console port whenever a DBG interrupt occurs. You have to -# set up you HW breakpoints to trigger a DBG interrupt: -# -# ccflags-y := -DTRAP_DBG_INTERRUPT -# asflags-y := -DTRAP_DBG_INTERRUPT -# - -asflags-$(CONFIG_FULLDEBUG) := -DDEBUGGER_COMPATIBLE_CACHE=1 - -obj-y := config.o gpio.o diff --git a/arch/m68k/platform/520x/gpio.c b/arch/m68k/platform/520x/gpio.c deleted file mode 100644 index 9bcc3e4..0000000 --- a/arch/m68k/platform/520x/gpio.c +++ /dev/null @@ -1,175 +0,0 @@ -/* - * Coldfire generic GPIO support - * - * (C) Copyright 2009, Steven King <sfking@fdwdc.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; version 2 of the License. - * - * 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/kernel.h> -#include <linux/init.h> - -#include <asm/coldfire.h> -#include <asm/mcfsim.h> -#include <asm/mcfgpio.h> - -static struct mcf_gpio_chip mcf_gpio_chips[] = { - { - .gpio_chip = { - .label = "PIRQ", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value, - .ngpio = 8, - }, - .pddr = (void __iomem *) MCFEPORT_EPDDR, - .podr = (void __iomem *) MCFEPORT_EPDR, - .ppdr = (void __iomem *) MCFEPORT_EPPDR, - }, - { - .gpio_chip = { - .label = "CS", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 9, - .ngpio = 3, - }, - .pddr = (void __iomem *) MCFGPIO_PDDR_CS, - .podr = (void __iomem *) MCFGPIO_PODR_CS, - .ppdr = (void __iomem *) MCFGPIO_PPDSDR_CS, - .setr = (void __iomem *) MCFGPIO_PPDSDR_CS, - .clrr = (void __iomem *) MCFGPIO_PCLRR_CS, - }, - { - .gpio_chip = { - .label = "FECI2C", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 16, - .ngpio = 4, - }, - .pddr = (void __iomem *) MCFGPIO_PDDR_FECI2C, - .podr = (void __iomem *) MCFGPIO_PODR_FECI2C, - .ppdr = (void __iomem *) MCFGPIO_PPDSDR_FECI2C, - .setr = (void __iomem *) MCFGPIO_PPDSDR_FECI2C, - .clrr = (void __iomem *) MCFGPIO_PCLRR_FECI2C, - }, - { - .gpio_chip = { - .label = "QSPI", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 24, - .ngpio = 4, - }, - .pddr = (void __iomem *) MCFGPIO_PDDR_QSPI, - .podr = (void __iomem *) MCFGPIO_PODR_QSPI, - .ppdr = (void __iomem *) MCFGPIO_PPDSDR_QSPI, - .setr = (void __iomem *) MCFGPIO_PPDSDR_QSPI, - .clrr = (void __iomem *) MCFGPIO_PCLRR_QSPI, - }, - { - .gpio_chip = { - .label = "TIMER", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 32, - .ngpio = 4, - }, - .pddr = (void __iomem *) MCFGPIO_PDDR_TIMER, - .podr = (void __iomem *) MCFGPIO_PODR_TIMER, - .ppdr = (void __iomem *) MCFGPIO_PPDSDR_TIMER, - .setr = (void __iomem *) MCFGPIO_PPDSDR_TIMER, - .clrr = (void __iomem *) MCFGPIO_PCLRR_TIMER, - }, - { - .gpio_chip = { - .label = "UART", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 40, - .ngpio = 8, - }, - .pddr = (void __iomem *) MCFGPIO_PDDR_UART, - .podr = (void __iomem *) MCFGPIO_PODR_UART, - .ppdr = (void __iomem *) MCFGPIO_PPDSDR_UART, - .setr = (void __iomem *) MCFGPIO_PPDSDR_UART, - .clrr = (void __iomem *) MCFGPIO_PCLRR_UART, - }, - { - .gpio_chip = { - .label = "FECH", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 48, - .ngpio = 8, - }, - .pddr = (void __iomem *) MCFGPIO_PDDR_FECH, - .podr = (void __iomem *) MCFGPIO_PODR_FECH, - .ppdr = (void __iomem *) MCFGPIO_PPDSDR_FECH, - .setr = (void __iomem *) MCFGPIO_PPDSDR_FECH, - .clrr = (void __iomem *) MCFGPIO_PCLRR_FECH, - }, - { - .gpio_chip = { - .label = "FECL", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 56, - .ngpio = 8, - }, - .pddr = (void __iomem *) MCFGPIO_PDDR_FECL, - .podr = (void __iomem *) MCFGPIO_PODR_FECL, - .ppdr = (void __iomem *) MCFGPIO_PPDSDR_FECL, - .setr = (void __iomem *) MCFGPIO_PPDSDR_FECL, - .clrr = (void __iomem *) MCFGPIO_PCLRR_FECL, - }, -}; - -static int __init mcf_gpio_init(void) -{ - unsigned i = 0; - while (i < ARRAY_SIZE(mcf_gpio_chips)) - (void)gpiochip_add((struct gpio_chip *)&mcf_gpio_chips[i++]); - return 0; -} - -core_initcall(mcf_gpio_init); diff --git a/arch/m68k/platform/523x/Makefile b/arch/m68k/platform/523x/Makefile deleted file mode 100644 index c04b8f7..0000000 --- a/arch/m68k/platform/523x/Makefile +++ /dev/null @@ -1,17 +0,0 @@ -# -# Makefile for the m68knommu linux kernel. -# - -# -# If you want to play with the HW breakpoints then you will -# need to add define this, which will give you a stack backtrace -# on the console port whenever a DBG interrupt occurs. You have to -# set up you HW breakpoints to trigger a DBG interrupt: -# -# ccflags-y := -DTRAP_DBG_INTERRUPT -# asflags-y := -DTRAP_DBG_INTERRUPT -# - -asflags-$(CONFIG_FULLDEBUG) := -DDEBUGGER_COMPATIBLE_CACHE=1 - -obj-y := config.o gpio.o diff --git a/arch/m68k/platform/523x/gpio.c b/arch/m68k/platform/523x/gpio.c deleted file mode 100644 index 327ebf1..0000000 --- a/arch/m68k/platform/523x/gpio.c +++ /dev/null @@ -1,284 +0,0 @@ -/* - * Coldfire generic GPIO support - * - * (C) Copyright 2009, Steven King <sfking@fdwdc.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; version 2 of the License. - * - * 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/kernel.h> -#include <linux/init.h> - -#include <asm/coldfire.h> -#include <asm/mcfsim.h> -#include <asm/mcfgpio.h> - -static struct mcf_gpio_chip mcf_gpio_chips[] = { - { - .gpio_chip = { - .label = "PIRQ", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value, - .base = 1, - .ngpio = 7, - }, - .pddr = (void __iomem *) MCFEPORT_EPDDR, - .podr = (void __iomem *) MCFEPORT_EPDR, - .ppdr = (void __iomem *) MCFEPORT_EPPDR, - }, - { - .gpio_chip = { - .label = "ADDR", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 13, - .ngpio = 3, - }, - .pddr = (void __iomem *) MCFGPIO_PDDR_ADDR, - .podr = (void __iomem *) MCFGPIO_PODR_ADDR, - .ppdr = (void __iomem *) MCFGPIO_PPDSDR_ADDR, - .setr = (void __iomem *) MCFGPIO_PPDSDR_ADDR, - .clrr = (void __iomem *) MCFGPIO_PCLRR_ADDR, - }, - { - .gpio_chip = { - .label = "DATAH", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 16, - .ngpio = 8, - }, - .pddr = (void __iomem *) MCFGPIO_PDDR_DATAH, - .podr = (void __iomem *) MCFGPIO_PODR_DATAH, - .ppdr = (void __iomem *) MCFGPIO_PPDSDR_DATAH, - .setr = (void __iomem *) MCFGPIO_PPDSDR_DATAH, - .clrr = (void __iomem *) MCFGPIO_PCLRR_DATAH, - }, - { - .gpio_chip = { - .label = "DATAL", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 24, - .ngpio = 8, - }, - .pddr = (void __iomem *) MCFGPIO_PDDR_DATAL, - .podr = (void __iomem *) MCFGPIO_PODR_DATAL, - .ppdr = (void __iomem *) MCFGPIO_PPDSDR_DATAL, - .setr = (void __iomem *) MCFGPIO_PPDSDR_DATAL, - .clrr = (void __iomem *) MCFGPIO_PCLRR_DATAL, - }, - { - .gpio_chip = { - .label = "BUSCTL", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 32, - .ngpio = 8, - }, - .pddr = (void __iomem *) MCFGPIO_PDDR_BUSCTL, - .podr = (void __iomem *) MCFGPIO_PODR_BUSCTL, - .ppdr = (void __iomem *) MCFGPIO_PPDSDR_BUSCTL, - .setr = (void __iomem *) MCFGPIO_PPDSDR_BUSCTL, - .clrr = (void __iomem *) MCFGPIO_PCLRR_BUSCTL, - }, - { - .gpio_chip = { - .label = "BS", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 40, - .ngpio = 4, - }, - .pddr = (void __iomem *) MCFGPIO_PDDR_BS, - .podr = (void __iomem *) MCFGPIO_PODR_BS, - .ppdr = (void __iomem *) MCFGPIO_PPDSDR_BS, - .setr = (void __iomem *) MCFGPIO_PPDSDR_BS, - .clrr = (void __iomem *) MCFGPIO_PCLRR_BS, - }, - { - .gpio_chip = { - .label = "CS", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 49, - .ngpio = 7, - }, - .pddr = (void __iomem *) MCFGPIO_PDDR_CS, - .podr = (void __iomem *) MCFGPIO_PODR_CS, - .ppdr = (void __iomem *) MCFGPIO_PPDSDR_CS, - .setr = (void __iomem *) MCFGPIO_PPDSDR_CS, - .clrr = (void __iomem *) MCFGPIO_PCLRR_CS, - }, - { - .gpio_chip = { - .label = "SDRAM", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 56, - .ngpio = 6, - }, - .pddr = (void __iomem *) MCFGPIO_PDDR_SDRAM, - .podr = (void __iomem *) MCFGPIO_PODR_SDRAM, - .ppdr = (void __iomem *) MCFGPIO_PPDSDR_SDRAM, - .setr = (void __iomem *) MCFGPIO_PPDSDR_SDRAM, - .clrr = (void __iomem *) MCFGPIO_PCLRR_SDRAM, - }, - { - .gpio_chip = { - .label = "FECI2C", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 64, - .ngpio = 4, - }, - .pddr = (void __iomem *) MCFGPIO_PDDR_FECI2C, - .podr = (void __iomem *) MCFGPIO_PODR_FECI2C, - .ppdr = (void __iomem *) MCFGPIO_PPDSDR_FECI2C, - .setr = (void __iomem *) MCFGPIO_PPDSDR_FECI2C, - .clrr = (void __iomem *) MCFGPIO_PCLRR_FECI2C, - }, - { - .gpio_chip = { - .label = "UARTH", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 72, - .ngpio = 2, - }, - .pddr = (void __iomem *) MCFGPIO_PDDR_UARTH, - .podr = (void __iomem *) MCFGPIO_PODR_UARTH, - .ppdr = (void __iomem *) MCFGPIO_PPDSDR_UARTH, - .setr = (void __iomem *) MCFGPIO_PPDSDR_UARTH, - .clrr = (void __iomem *) MCFGPIO_PCLRR_UARTH, - }, - { - .gpio_chip = { - .label = "UARTL", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 80, - .ngpio = 8, - }, - .pddr = (void __iomem *) MCFGPIO_PDDR_UARTL, - .podr = (void __iomem *) MCFGPIO_PODR_UARTL, - .ppdr = (void __iomem *) MCFGPIO_PPDSDR_UARTL, - .setr = (void __iomem *) MCFGPIO_PPDSDR_UARTL, - .clrr = (void __iomem *) MCFGPIO_PCLRR_UARTL, - }, - { - .gpio_chip = { - .label = "QSPI", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 88, - .ngpio = 5, - }, - .pddr = (void __iomem *) MCFGPIO_PDDR_QSPI, - .podr = (void __iomem *) MCFGPIO_PODR_QSPI, - .ppdr = (void __iomem *) MCFGPIO_PPDSDR_QSPI, - .setr = (void __iomem *) MCFGPIO_PPDSDR_QSPI, - .clrr = (void __iomem *) MCFGPIO_PCLRR_QSPI, - }, - { - .gpio_chip = { - .label = "TIMER", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 96, - .ngpio = 8, - }, - .pddr = (void __iomem *) MCFGPIO_PDDR_TIMER, - .podr = (void __iomem *) MCFGPIO_PODR_TIMER, - .ppdr = (void __iomem *) MCFGPIO_PPDSDR_TIMER, - .setr = (void __iomem *) MCFGPIO_PPDSDR_TIMER, - .clrr = (void __iomem *) MCFGPIO_PCLRR_TIMER, - }, - { - .gpio_chip = { - .label = "ETPU", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 104, - .ngpio = 3, - }, - .pddr = (void __iomem *) MCFGPIO_PDDR_ETPU, - .podr = (void __iomem *) MCFGPIO_PODR_ETPU, - .ppdr = (void __iomem *) MCFGPIO_PPDSDR_ETPU, - .setr = (void __iomem *) MCFGPIO_PPDSDR_ETPU, - .clrr = (void __iomem *) MCFGPIO_PCLRR_ETPU, - }, -}; - -static int __init mcf_gpio_init(void) -{ - unsigned i = 0; - while (i < ARRAY_SIZE(mcf_gpio_chips)) - (void)gpiochip_add((struct gpio_chip *)&mcf_gpio_chips[i++]); - return 0; -} - -core_initcall(mcf_gpio_init); diff --git a/arch/m68k/platform/5249/Makefile b/arch/m68k/platform/5249/Makefile deleted file mode 100644 index 4bed30f..0000000 --- a/arch/m68k/platform/5249/Makefile +++ /dev/null @@ -1,18 +0,0 @@ -# -# Makefile for the m68knommu linux kernel. -# - -# -# If you want to play with the HW breakpoints then you will -# need to add define this, which will give you a stack backtrace -# on the console port whenever a DBG interrupt occurs. You have to -# set up you HW breakpoints to trigger a DBG interrupt: -# -# ccflags-y := -DTRAP_DBG_INTERRUPT -# asflags-y := -DTRAP_DBG_INTERRUPT -# - -asflags-$(CONFIG_FULLDEBUG) := -DDEBUGGER_COMPATIBLE_CACHE=1 - -obj-y := config.o gpio.o intc2.o - diff --git a/arch/m68k/platform/5249/gpio.c b/arch/m68k/platform/5249/gpio.c deleted file mode 100644 index 2b56c6e..0000000 --- a/arch/m68k/platform/5249/gpio.c +++ /dev/null @@ -1,65 +0,0 @@ -/* - * Coldfire generic GPIO support - * - * (C) Copyright 2009, Steven King <sfking@fdwdc.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; version 2 of the License. - * - * 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/kernel.h> -#include <linux/init.h> - -#include <asm/coldfire.h> -#include <asm/mcfsim.h> -#include <asm/mcfgpio.h> - -static struct mcf_gpio_chip mcf_gpio_chips[] = { - { - .gpio_chip = { - .label = "GPIO0", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value, - .ngpio = 32, - }, - .pddr = (void __iomem *) MCFSIM2_GPIOENABLE, - .podr = (void __iomem *) MCFSIM2_GPIOWRITE, - .ppdr = (void __iomem *) MCFSIM2_GPIOREAD, - }, - { - .gpio_chip = { - .label = "GPIO1", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value, - .base = 32, - .ngpio = 32, - }, - .pddr = (void __iomem *) MCFSIM2_GPIO1ENABLE, - .podr = (void __iomem *) MCFSIM2_GPIO1WRITE, - .ppdr = (void __iomem *) MCFSIM2_GPIO1READ, - }, -}; - -static int __init mcf_gpio_init(void) -{ - unsigned i = 0; - while (i < ARRAY_SIZE(mcf_gpio_chips)) - (void)gpiochip_add((struct gpio_chip *)&mcf_gpio_chips[i++]); - return 0; -} - -core_initcall(mcf_gpio_init); diff --git a/arch/m68k/platform/5272/Makefile b/arch/m68k/platform/5272/Makefile deleted file mode 100644 index 34110fc..0000000 --- a/arch/m68k/platform/5272/Makefile +++ /dev/null @@ -1,18 +0,0 @@ -# -# Makefile for the linux kernel. -# - -# -# If you want to play with the HW breakpoints then you will -# need to add define this, which will give you a stack backtrace -# on the console port whenever a DBG interrupt occurs. You have to -# set up you HW breakpoints to trigger a DBG interrupt: -# -# ccflags-y := -DTRAP_DBG_INTERRUPT -# asflags-y := -DTRAP_DBG_INTERRUPT -# - -asflags-$(CONFIG_FULLDEBUG) := -DDEBUGGER_COMPATIBLE_CACHE=1 - -obj-y := config.o gpio.o intc.o - diff --git a/arch/m68k/platform/5272/gpio.c b/arch/m68k/platform/5272/gpio.c deleted file mode 100644 index 57ac10a..0000000 --- a/arch/m68k/platform/5272/gpio.c +++ /dev/null @@ -1,81 +0,0 @@ -/* - * Coldfire generic GPIO support - * - * (C) Copyright 2009, Steven King <sfking@fdwdc.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; version 2 of the License. - * - * 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/kernel.h> -#include <linux/init.h> - -#include <asm/coldfire.h> -#include <asm/mcfsim.h> -#include <asm/mcfgpio.h> - -static struct mcf_gpio_chip mcf_gpio_chips[] = { - { - .gpio_chip = { - .label = "PA", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value, - .ngpio = 16, - }, - .pddr = (void __iomem *) MCFSIM_PADDR, - .podr = (void __iomem *) MCFSIM_PADAT, - .ppdr = (void __iomem *) MCFSIM_PADAT, - }, - { - .gpio_chip = { - .label = "PB", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value, - .base = 16, - .ngpio = 16, - }, - .pddr = (void __iomem *) MCFSIM_PBDDR, - .podr = (void __iomem *) MCFSIM_PBDAT, - .ppdr = (void __iomem *) MCFSIM_PBDAT, - }, - { - .gpio_chip = { - .label = "PC", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value, - .base = 32, - .ngpio = 16, - }, - .pddr = (void __iomem *) MCFSIM_PCDDR, - .podr = (void __iomem *) MCFSIM_PCDAT, - .ppdr = (void __iomem *) MCFSIM_PCDAT, - }, -}; - -static int __init mcf_gpio_init(void) -{ - unsigned i = 0; - while (i < ARRAY_SIZE(mcf_gpio_chips)) - (void)gpiochip_add((struct gpio_chip *)&mcf_gpio_chips[i++]); - return 0; -} - -core_initcall(mcf_gpio_init); diff --git a/arch/m68k/platform/527x/Makefile b/arch/m68k/platform/527x/Makefile deleted file mode 100644 index 6ac4b57..0000000 --- a/arch/m68k/platform/527x/Makefile +++ /dev/null @@ -1,18 +0,0 @@ -# -# Makefile for the linux kernel. -# - -# -# If you want to play with the HW breakpoints then you will -# need to add define this, which will give you a stack backtrace -# on the console port whenever a DBG interrupt occurs. You have to -# set up you HW breakpoints to trigger a DBG interrupt: -# -# ccflags-y := -DTRAP_DBG_INTERRUPT -# asflags-y := -DTRAP_DBG_INTERRUPT -# - -asflags-$(CONFIG_FULLDEBUG) := -DDEBUGGER_COMPATIBLE_CACHE=1 - -obj-y := config.o gpio.o - diff --git a/arch/m68k/platform/527x/gpio.c b/arch/m68k/platform/527x/gpio.c deleted file mode 100644 index 205da0a..0000000 --- a/arch/m68k/platform/527x/gpio.c +++ /dev/null @@ -1,609 +0,0 @@ -/* - * Coldfire generic GPIO support - * - * (C) Copyright 2009, Steven King <sfking@fdwdc.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; version 2 of the License. - * - * 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/kernel.h> -#include <linux/init.h> - -#include <asm/coldfire.h> -#include <asm/mcfsim.h> -#include <asm/mcfgpio.h> - -static struct mcf_gpio_chip mcf_gpio_chips[] = { -#if defined(CONFIG_M5271) - { - .gpio_chip = { - .label = "PIRQ", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value, - .base = 1, - .ngpio = 7, - }, - .pddr = (void __iomem *) MCFEPORT_EPDDR, - .podr = (void __iomem *) MCFEPORT_EPDR, - .ppdr = (void __iomem *) MCFEPORT_EPPDR, - }, - { - .gpio_chip = { - .label = "ADDR", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 13, - .ngpio = 3, - }, - .pddr = (void __iomem *) MCFGPIO_PDDR_ADDR, - .podr = (void __iomem *) MCFGPIO_PODR_ADDR, - .ppdr = (void __iomem *) MCFGPIO_PPDSDR_ADDR, - .setr = (void __iomem *) MCFGPIO_PPDSDR_ADDR, - .clrr = (void __iomem *) MCFGPIO_PCLRR_ADDR, - }, - { - .gpio_chip = { - .label = "DATAH", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 16, - .ngpio = 8, - }, - .pddr = (void __iomem *) MCFGPIO_PDDR_DATAH, - .podr = (void __iomem *) MCFGPIO_PODR_DATAH, - .ppdr = (void __iomem *) MCFGPIO_PPDSDR_DATAH, - .setr = (void __iomem *) MCFGPIO_PPDSDR_DATAH, - .clrr = (void __iomem *) MCFGPIO_PCLRR_DATAH, - }, - { - .gpio_chip = { - .label = "DATAL", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 24, - .ngpio = 8, - }, - .pddr = (void __iomem *) MCFGPIO_PDDR_DATAL, - .podr = (void __iomem *) MCFGPIO_PODR_DATAL, - .ppdr = (void __iomem *) MCFGPIO_PPDSDR_DATAL, - .setr = (void __iomem *) MCFGPIO_PPDSDR_DATAL, - .clrr = (void __iomem *) MCFGPIO_PCLRR_DATAL, - }, - { - .gpio_chip = { - .label = "BUSCTL", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 32, - .ngpio = 8, - }, - .pddr = (void __iomem *) MCFGPIO_PDDR_BUSCTL, - .podr = (void __iomem *) MCFGPIO_PODR_BUSCTL, - .ppdr = (void __iomem *) MCFGPIO_PPDSDR_BUSCTL, - .setr = (void __iomem *) MCFGPIO_PPDSDR_BUSCTL, - .clrr = (void __iomem *) MCFGPIO_PCLRR_BUSCTL, - }, - { - .gpio_chip = { - .label = "BS", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 40, - .ngpio = 4, - }, - .pddr = (void __iomem *) MCFGPIO_PDDR_BS, - .podr = (void __iomem *) MCFGPIO_PODR_BS, - .ppdr = (void __iomem *) MCFGPIO_PPDSDR_BS, - .setr = (void __iomem *) MCFGPIO_PPDSDR_BS, - .clrr = (void __iomem *) MCFGPIO_PCLRR_BS, - }, - { - .gpio_chip = { - .label = "CS", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 49, - .ngpio = 7, - }, - .pddr = (void __iomem *) MCFGPIO_PDDR_CS, - .podr = (void __iomem *) MCFGPIO_PODR_CS, - .ppdr = (void __iomem *) MCFGPIO_PPDSDR_CS, - .setr = (void __iomem *) MCFGPIO_PPDSDR_CS, - .clrr = (void __iomem *) MCFGPIO_PCLRR_CS, - }, - { - .gpio_chip = { - .label = "SDRAM", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 56, - .ngpio = 6, - }, - .pddr = (void __iomem *) MCFGPIO_PDDR_SDRAM, - .podr = (void __iomem *) MCFGPIO_PODR_SDRAM, - .ppdr = (void __iomem *) MCFGPIO_PPDSDR_SDRAM, - .setr = (void __iomem *) MCFGPIO_PPDSDR_SDRAM, - .clrr = (void __iomem *) MCFGPIO_PCLRR_SDRAM, - }, - { - .gpio_chip = { - .label = "FECI2C", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 64, - .ngpio = 4, - }, - .pddr = (void __iomem *) MCFGPIO_PDDR_FECI2C, - .podr = (void __iomem *) MCFGPIO_PODR_FECI2C, - .ppdr = (void __iomem *) MCFGPIO_PPDSDR_FECI2C, - .setr = (void __iomem *) MCFGPIO_PPDSDR_FECI2C, - .clrr = (void __iomem *) MCFGPIO_PCLRR_FECI2C, - }, - { - .gpio_chip = { - .label = "UARTH", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 72, - .ngpio = 2, - }, - .pddr = (void __iomem *) MCFGPIO_PDDR_UARTH, - .podr = (void __iomem *) MCFGPIO_PODR_UARTH, - .ppdr = (void __iomem *) MCFGPIO_PPDSDR_UARTH, - .setr = (void __iomem *) MCFGPIO_PPDSDR_UARTH, - .clrr = (void __iomem *) MCFGPIO_PCLRR_UARTH, - }, - { - .gpio_chip = { - .label = "UARTL", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 80, - .ngpio = 8, - }, - .pddr = (void __iomem *) MCFGPIO_PDDR_UARTL, - .podr = (void __iomem *) MCFGPIO_PODR_UARTL, - .ppdr = (void __iomem *) MCFGPIO_PPDSDR_UARTL, - .setr = (void __iomem *) MCFGPIO_PPDSDR_UARTL, - .clrr = (void __iomem *) MCFGPIO_PCLRR_UARTL, - }, - { - .gpio_chip = { - .label = "QSPI", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 88, - .ngpio = 5, - }, - .pddr = (void __iomem *) MCFGPIO_PDDR_QSPI, - .podr = (void __iomem *) MCFGPIO_PODR_QSPI, - .ppdr = (void __iomem *) MCFGPIO_PPDSDR_QSPI, - .setr = (void __iomem *) MCFGPIO_PPDSDR_QSPI, - .clrr = (void __iomem *) MCFGPIO_PCLRR_QSPI, - }, - { - .gpio_chip = { - .label = "TIMER", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 96, - .ngpio = 8, - }, - .pddr = (void __iomem *) MCFGPIO_PDDR_TIMER, - .podr = (void __iomem *) MCFGPIO_PODR_TIMER, - .ppdr = (void __iomem *) MCFGPIO_PPDSDR_TIMER, - .setr = (void __iomem *) MCFGPIO_PPDSDR_TIMER, - .clrr = (void __iomem *) MCFGPIO_PCLRR_TIMER, - }, -#elif defined(CONFIG_M5275) - { - .gpio_chip = { - .label = "PIRQ", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value, - .base = 1, - .ngpio = 7, - }, - .pddr = (void __iomem *) MCFEPORT_EPDDR, - .podr = (void __iomem *) MCFEPORT_EPDR, - .ppdr = (void __iomem *) MCFEPORT_EPPDR, - }, - { - .gpio_chip = { - .label = "BUSCTL", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 8, - .ngpio = 8, - }, - .pddr = (void __iomem *) MCFGPIO_PDDR_BUSCTL, - .podr = (void __iomem *) MCFGPIO_PODR_BUSCTL, - .ppdr = (void __iomem *) MCFGPIO_PPDSDR_BUSCTL, - .setr = (void __iomem *) MCFGPIO_PPDSDR_BUSCTL, - .clrr = (void __iomem *) MCFGPIO_PCLRR_BUSCTL, - }, - { - .gpio_chip = { - .label = "ADDR", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 21, - .ngpio = 3, - }, - .pddr = (void __iomem *) MCFGPIO_PDDR_ADDR, - .podr = (void __iomem *) MCFGPIO_PODR_ADDR, - .ppdr = (void __iomem *) MCFGPIO_PPDSDR_ADDR, - .setr = (void __iomem *) MCFGPIO_PPDSDR_ADDR, - .clrr = (void __iomem *) MCFGPIO_PCLRR_ADDR, - }, - { - .gpio_chip = { - .label = "CS", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 25, - .ngpio = 7, - }, - .pddr = (void __iomem *) MCFGPIO_PDDR_CS, - .podr = (void __iomem *) MCFGPIO_PODR_CS, - .ppdr = (void __iomem *) MCFGPIO_PPDSDR_CS, - .setr = (void __iomem *) MCFGPIO_PPDSDR_CS, - .clrr = (void __iomem *) MCFGPIO_PCLRR_CS, - }, - { - .gpio_chip = { - .label = "FEC0H", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 32, - .ngpio = 8, - }, - .pddr = (void __iomem *) MCFGPIO_PDDR_FEC0H, - .podr = (void __iomem *) MCFGPIO_PODR_FEC0H, - .ppdr = (void __iomem *) MCFGPIO_PPDSDR_FEC0H, - .setr = (void __iomem *) MCFGPIO_PPDSDR_FEC0H, - .clrr = (void __iomem *) MCFGPIO_PCLRR_FEC0H, - }, - { - .gpio_chip = { - .label = "FEC0L", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 40, - .ngpio = 8, - }, - .pddr = (void __iomem *) MCFGPIO_PDDR_FEC0L, - .podr = (void __iomem *) MCFGPIO_PODR_FEC0L, - .ppdr = (void __iomem *) MCFGPIO_PPDSDR_FEC0L, - .setr = (void __iomem *) MCFGPIO_PPDSDR_FEC0L, - .clrr = (void __iomem *) MCFGPIO_PCLRR_FEC0L, - }, - { - .gpio_chip = { - .label = "FECI2C", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 48, - .ngpio = 6, - }, - .pddr = (void __iomem *) MCFGPIO_PDDR_FECI2C, - .podr = (void __iomem *) MCFGPIO_PODR_FECI2C, - .ppdr = (void __iomem *) MCFGPIO_PPDSDR_FECI2C, - .setr = (void __iomem *) MCFGPIO_PPDSDR_FECI2C, - .clrr = (void __iomem *) MCFGPIO_PCLRR_FECI2C, - }, - { - .gpio_chip = { - .label = "QSPI", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 56, - .ngpio = 7, - }, - .pddr = (void __iomem *) MCFGPIO_PDDR_QSPI, - .podr = (void __iomem *) MCFGPIO_PODR_QSPI, - .ppdr = (void __iomem *) MCFGPIO_PPDSDR_QSPI, - .setr = (void __iomem *) MCFGPIO_PPDSDR_QSPI, - .clrr = (void __iomem *) MCFGPIO_PCLRR_QSPI, - }, - { - .gpio_chip = { - .label = "SDRAM", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 64, - .ngpio = 8, - }, - .pddr = (void __iomem *) MCFGPIO_PDDR_SDRAM, - .podr = (void __iomem *) MCFGPIO_PODR_SDRAM, - .ppdr = (void __iomem *) MCFGPIO_PPDSDR_SDRAM, - .setr = (void __iomem *) MCFGPIO_PPDSDR_SDRAM, - .clrr = (void __iomem *) MCFGPIO_PCLRR_SDRAM, - }, - { - .gpio_chip = { - .label = "TIMERH", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 72, - .ngpio = 4, - }, - .pddr = (void __iomem *) MCFGPIO_PDDR_TIMERH, - .podr = (void __iomem *) MCFGPIO_PODR_TIMERH, - .ppdr = (void __iomem *) MCFGPIO_PPDSDR_TIMERH, - .setr = (void __iomem *) MCFGPIO_PPDSDR_TIMERH, - .clrr = (void __iomem *) MCFGPIO_PCLRR_TIMERH, - }, - { - .gpio_chip = { - .label = "TIMERL", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 80, - .ngpio = 4, - }, - .pddr = (void __iomem *) MCFGPIO_PDDR_TIMERL, - .podr = (void __iomem *) MCFGPIO_PODR_TIMERL, - .ppdr = (void __iomem *) MCFGPIO_PPDSDR_TIMERL, - .setr = (void __iomem *) MCFGPIO_PPDSDR_TIMERL, - .clrr = (void __iomem *) MCFGPIO_PCLRR_TIMERL, - }, - { - .gpio_chip = { - .label = "UARTL", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 88, - .ngpio = 8, - }, - .pddr = (void __iomem *) MCFGPIO_PDDR_UARTL, - .podr = (void __iomem *) MCFGPIO_PODR_UARTL, - .ppdr = (void __iomem *) MCFGPIO_PPDSDR_UARTL, - .setr = (void __iomem *) MCFGPIO_PPDSDR_UARTL, - .clrr = (void __iomem *) MCFGPIO_PCLRR_UARTL, - }, - { - .gpio_chip = { - .label = "FEC1H", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 96, - .ngpio = 8, - }, - .pddr = (void __iomem *) MCFGPIO_PDDR_FEC1H, - .podr = (void __iomem *) MCFGPIO_PODR_FEC1H, - .ppdr = (void __iomem *) MCFGPIO_PPDSDR_FEC1H, - .setr = (void __iomem *) MCFGPIO_PPDSDR_FEC1H, - .clrr = (void __iomem *) MCFGPIO_PCLRR_FEC1H, - }, - { - .gpio_chip = { - .label = "FEC1L", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 104, - .ngpio = 8, - }, - .pddr = (void __iomem *) MCFGPIO_PDDR_FEC1L, - .podr = (void __iomem *) MCFGPIO_PODR_FEC1L, - .ppdr = (void __iomem *) MCFGPIO_PPDSDR_FEC1L, - .setr = (void __iomem *) MCFGPIO_PPDSDR_FEC1L, - .clrr = (void __iomem *) MCFGPIO_PCLRR_FEC1L, - }, - { - .gpio_chip = { - .label = "BS", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 114, - .ngpio = 2, - }, - .pddr = (void __iomem *) MCFGPIO_PDDR_BS, - .podr = (void __iomem *) MCFGPIO_PODR_BS, - .ppdr = (void __iomem *) MCFGPIO_PPDSDR_BS, - .setr = (void __iomem *) MCFGPIO_PPDSDR_BS, - .clrr = (void __iomem *) MCFGPIO_PCLRR_BS, - }, - { - .gpio_chip = { - .label = "IRQ", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 121, - .ngpio = 7, - }, - .pddr = (void __iomem *) MCFGPIO_PDDR_IRQ, - .podr = (void __iomem *) MCFGPIO_PODR_IRQ, - .ppdr = (void __iomem *) MCFGPIO_PPDSDR_IRQ, - .setr = (void __iomem *) MCFGPIO_PPDSDR_IRQ, - .clrr = (void __iomem *) MCFGPIO_PCLRR_IRQ, - }, - { - .gpio_chip = { - .label = "USBH", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 128, - .ngpio = 1, - }, - .pddr = (void __iomem *) MCFGPIO_PDDR_USBH, - .podr = (void __iomem *) MCFGPIO_PODR_USBH, - .ppdr = (void __iomem *) MCFGPIO_PPDSDR_USBH, - .setr = (void __iomem *) MCFGPIO_PPDSDR_USBH, - .clrr = (void __iomem *) MCFGPIO_PCLRR_USBH, - }, - { - .gpio_chip = { - .label = "USBL", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 136, - .ngpio = 8, - }, - .pddr = (void __iomem *) MCFGPIO_PDDR_USBL, - .podr = (void __iomem *) MCFGPIO_PODR_USBL, - .ppdr = (void __iomem *) MCFGPIO_PPDSDR_USBL, - .setr = (void __iomem *) MCFGPIO_PPDSDR_USBL, - .clrr = (void __iomem *) MCFGPIO_PCLRR_USBL, - }, - { - .gpio_chip = { - .label = "UARTH", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 144, - .ngpio = 4, - }, - .pddr = (void __iomem *) MCFGPIO_PDDR_UARTH, - .podr = (void __iomem *) MCFGPIO_PODR_UARTH, - .ppdr = (void __iomem *) MCFGPIO_PPDSDR_UARTH, - .setr = (void __iomem *) MCFGPIO_PPDSDR_UARTH, - .clrr = (void __iomem *) MCFGPIO_PCLRR_UARTH, - }, -#endif -}; - -static int __init mcf_gpio_init(void) -{ - unsigned i = 0; - while (i < ARRAY_SIZE(mcf_gpio_chips)) - (void)gpiochip_add((struct gpio_chip *)&mcf_gpio_chips[i++]); - return 0; -} - -core_initcall(mcf_gpio_init); diff --git a/arch/m68k/platform/528x/Makefile b/arch/m68k/platform/528x/Makefile deleted file mode 100644 index 6ac4b57..0000000 --- a/arch/m68k/platform/528x/Makefile +++ /dev/null @@ -1,18 +0,0 @@ -# -# Makefile for the linux kernel. -# - -# -# If you want to play with the HW breakpoints then you will -# need to add define this, which will give you a stack backtrace -# on the console port whenever a DBG interrupt occurs. You have to -# set up you HW breakpoints to trigger a DBG interrupt: -# -# ccflags-y := -DTRAP_DBG_INTERRUPT -# asflags-y := -DTRAP_DBG_INTERRUPT -# - -asflags-$(CONFIG_FULLDEBUG) := -DDEBUGGER_COMPATIBLE_CACHE=1 - -obj-y := config.o gpio.o - diff --git a/arch/m68k/platform/528x/gpio.c b/arch/m68k/platform/528x/gpio.c deleted file mode 100644 index 526db66..0000000 --- a/arch/m68k/platform/528x/gpio.c +++ /dev/null @@ -1,438 +0,0 @@ -/* - * Coldfire generic GPIO support - * - * (C) Copyright 2009, Steven King <sfking@fdwdc.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; version 2 of the License. - * - * 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/kernel.h> -#include <linux/init.h> - -#include <asm/coldfire.h> -#include <asm/mcfsim.h> -#include <asm/mcfgpio.h> - -static struct mcf_gpio_chip mcf_gpio_chips[] = { - { - .gpio_chip = { - .label = "NQ", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value, - .base = 1, - .ngpio = 7, - }, - .pddr = (void __iomem *)MCFEPORT_EPDDR, - .podr = (void __iomem *)MCFEPORT_EPDR, - .ppdr = (void __iomem *)MCFEPORT_EPPDR, - }, - { - .gpio_chip = { - .label = "TA", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 8, - .ngpio = 4, - }, - .pddr = (void __iomem *)MCFGPTA_GPTDDR, - .podr = (void __iomem *)MCFGPTA_GPTPORT, - .ppdr = (void __iomem *)MCFGPTB_GPTPORT, - }, - { - .gpio_chip = { - .label = "TB", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 16, - .ngpio = 4, - }, - .pddr = (void __iomem *)MCFGPTB_GPTDDR, - .podr = (void __iomem *)MCFGPTB_GPTPORT, - .ppdr = (void __iomem *)MCFGPTB_GPTPORT, - }, - { - .gpio_chip = { - .label = "QA", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 24, - .ngpio = 4, - }, - .pddr = (void __iomem *)MCFQADC_DDRQA, - .podr = (void __iomem *)MCFQADC_PORTQA, - .ppdr = (void __iomem *)MCFQADC_PORTQA, - }, - { - .gpio_chip = { - .label = "QB", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 32, - .ngpio = 4, - }, - .pddr = (void __iomem *)MCFQADC_DDRQB, - .podr = (void __iomem *)MCFQADC_PORTQB, - .ppdr = (void __iomem *)MCFQADC_PORTQB, - }, - { - .gpio_chip = { - .label = "A", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 40, - .ngpio = 8, - }, - .pddr = (void __iomem *)MCFGPIO_DDRA, - .podr = (void __iomem *)MCFGPIO_PORTA, - .ppdr = (void __iomem *)MCFGPIO_PORTAP, - .setr = (void __iomem *)MCFGPIO_SETA, - .clrr = (void __iomem *)MCFGPIO_CLRA, - }, - { - .gpio_chip = { - .label = "B", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 48, - .ngpio = 8, - }, - .pddr = (void __iomem *)MCFGPIO_DDRB, - .podr = (void __iomem *)MCFGPIO_PORTB, - .ppdr = (void __iomem *)MCFGPIO_PORTBP, - .setr = (void __iomem *)MCFGPIO_SETB, - .clrr = (void __iomem *)MCFGPIO_CLRB, - }, - { - .gpio_chip = { - .label = "C", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 56, - .ngpio = 8, - }, - .pddr = (void __iomem *)MCFGPIO_DDRC, - .podr = (void __iomem *)MCFGPIO_PORTC, - .ppdr = (void __iomem *)MCFGPIO_PORTCP, - .setr = (void __iomem *)MCFGPIO_SETC, - .clrr = (void __iomem *)MCFGPIO_CLRC, - }, - { - .gpio_chip = { - .label = "D", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 64, - .ngpio = 8, - }, - .pddr = (void __iomem *)MCFGPIO_DDRD, - .podr = (void __iomem *)MCFGPIO_PORTD, - .ppdr = (void __iomem *)MCFGPIO_PORTDP, - .setr = (void __iomem *)MCFGPIO_SETD, - .clrr = (void __iomem *)MCFGPIO_CLRD, - }, - { - .gpio_chip = { - .label = "E", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 72, - .ngpio = 8, - }, - .pddr = (void __iomem *)MCFGPIO_DDRE, - .podr = (void __iomem *)MCFGPIO_PORTE, - .ppdr = (void __iomem *)MCFGPIO_PORTEP, - .setr = (void __iomem *)MCFGPIO_SETE, - .clrr = (void __iomem *)MCFGPIO_CLRE, - }, - { - .gpio_chip = { - .label = "F", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 80, - .ngpio = 8, - }, - .pddr = (void __iomem *)MCFGPIO_DDRF, - .podr = (void __iomem *)MCFGPIO_PORTF, - .ppdr = (void __iomem *)MCFGPIO_PORTFP, - .setr = (void __iomem *)MCFGPIO_SETF, - .clrr = (void __iomem *)MCFGPIO_CLRF, - }, - { - .gpio_chip = { - .label = "G", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 88, - .ngpio = 8, - }, - .pddr = (void __iomem *)MCFGPIO_DDRG, - .podr = (void __iomem *)MCFGPIO_PORTG, - .ppdr = (void __iomem *)MCFGPIO_PORTGP, - .setr = (void __iomem *)MCFGPIO_SETG, - .clrr = (void __iomem *)MCFGPIO_CLRG, - }, - { - .gpio_chip = { - .label = "H", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 96, - .ngpio = 8, - }, - .pddr = (void __iomem *)MCFGPIO_DDRH, - .podr = (void __iomem *)MCFGPIO_PORTH, - .ppdr = (void __iomem *)MCFGPIO_PORTHP, - .setr = (void __iomem *)MCFGPIO_SETH, - .clrr = (void __iomem *)MCFGPIO_CLRH, - }, - { - .gpio_chip = { - .label = "J", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 104, - .ngpio = 8, - }, - .pddr = (void __iomem *)MCFGPIO_DDRJ, - .podr = (void __iomem *)MCFGPIO_PORTJ, - .ppdr = (void __iomem *)MCFGPIO_PORTJP, - .setr = (void __iomem *)MCFGPIO_SETJ, - .clrr = (void __iomem *)MCFGPIO_CLRJ, - }, - { - .gpio_chip = { - .label = "DD", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 112, - .ngpio = 8, - }, - .pddr = (void __iomem *)MCFGPIO_DDRDD, - .podr = (void __iomem *)MCFGPIO_PORTDD, - .ppdr = (void __iomem *)MCFGPIO_PORTDDP, - .setr = (void __iomem *)MCFGPIO_SETDD, - .clrr = (void __iomem *)MCFGPIO_CLRDD, - }, - { - .gpio_chip = { - .label = "EH", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 120, - .ngpio = 8, - }, - .pddr = (void __iomem *)MCFGPIO_DDREH, - .podr = (void __iomem *)MCFGPIO_PORTEH, - .ppdr = (void __iomem *)MCFGPIO_PORTEHP, - .setr = (void __iomem *)MCFGPIO_SETEH, - .clrr = (void __iomem *)MCFGPIO_CLREH, - }, - { - .gpio_chip = { - .label = "EL", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 128, - .ngpio = 8, - }, - .pddr = (void __iomem *)MCFGPIO_DDREL, - .podr = (void __iomem *)MCFGPIO_PORTEL, - .ppdr = (void __iomem *)MCFGPIO_PORTELP, - .setr = (void __iomem *)MCFGPIO_SETEL, - .clrr = (void __iomem *)MCFGPIO_CLREL, - }, - { - .gpio_chip = { - .label = "AS", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 136, - .ngpio = 6, - }, - .pddr = (void __iomem *)MCFGPIO_DDRAS, - .podr = (void __iomem *)MCFGPIO_PORTAS, - .ppdr = (void __iomem *)MCFGPIO_PORTASP, - .setr = (void __iomem *)MCFGPIO_SETAS, - .clrr = (void __iomem *)MCFGPIO_CLRAS, - }, - { - .gpio_chip = { - .label = "QS", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 144, - .ngpio = 7, - }, - .pddr = (void __iomem *)MCFGPIO_DDRQS, - .podr = (void __iomem *)MCFGPIO_PORTQS, - .ppdr = (void __iomem *)MCFGPIO_PORTQSP, - .setr = (void __iomem *)MCFGPIO_SETQS, - .clrr = (void __iomem *)MCFGPIO_CLRQS, - }, - { - .gpio_chip = { - .label = "SD", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 152, - .ngpio = 6, - }, - .pddr = (void __iomem *)MCFGPIO_DDRSD, - .podr = (void __iomem *)MCFGPIO_PORTSD, - .ppdr = (void __iomem *)MCFGPIO_PORTSDP, - .setr = (void __iomem *)MCFGPIO_SETSD, - .clrr = (void __iomem *)MCFGPIO_CLRSD, - }, - { - .gpio_chip = { - .label = "TC", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 160, - .ngpio = 4, - }, - .pddr = (void __iomem *)MCFGPIO_DDRTC, - .podr = (void __iomem *)MCFGPIO_PORTTC, - .ppdr = (void __iomem *)MCFGPIO_PORTTCP, - .setr = (void __iomem *)MCFGPIO_SETTC, - .clrr = (void __iomem *)MCFGPIO_CLRTC, - }, - { - .gpio_chip = { - .label = "TD", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 168, - .ngpio = 4, - }, - .pddr = (void __iomem *)MCFGPIO_DDRTD, - .podr = (void __iomem *)MCFGPIO_PORTTD, - .ppdr = (void __iomem *)MCFGPIO_PORTTDP, - .setr = (void __iomem *)MCFGPIO_SETTD, - .clrr = (void __iomem *)MCFGPIO_CLRTD, - }, - { - .gpio_chip = { - .label = "UA", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 176, - .ngpio = 4, - }, - .pddr = (void __iomem *)MCFGPIO_DDRUA, - .podr = (void __iomem *)MCFGPIO_PORTUA, - .ppdr = (void __iomem *)MCFGPIO_PORTUAP, - .setr = (void __iomem *)MCFGPIO_SETUA, - .clrr = (void __iomem *)MCFGPIO_CLRUA, - }, -}; - -static int __init mcf_gpio_init(void) -{ - unsigned i = 0; - while (i < ARRAY_SIZE(mcf_gpio_chips)) - (void)gpiochip_add((struct gpio_chip *)&mcf_gpio_chips[i++]); - return 0; -} - -core_initcall(mcf_gpio_init); diff --git a/arch/m68k/platform/5307/Makefile b/arch/m68k/platform/5307/Makefile deleted file mode 100644 index d4293b7..0000000 --- a/arch/m68k/platform/5307/Makefile +++ /dev/null @@ -1,20 +0,0 @@ -# -# Makefile for the m68knommu kernel. -# - -# -# If you want to play with the HW breakpoints then you will -# need to add define this, which will give you a stack backtrace -# on the console port whenever a DBG interrupt occurs. You have to -# set up you HW breakpoints to trigger a DBG interrupt: -# -# ccflags-y := -DTRAP_DBG_INTERRUPT -# asflags-y := -DTRAP_DBG_INTERRUPT -# - -asflags-$(CONFIG_FULLDEBUG) := -DDEBUGGER_COMPATIBLE_CACHE=1 - -obj-y += config.o gpio.o -obj-$(CONFIG_NETtel) += nettel.o -obj-$(CONFIG_CLEOPATRA) += nettel.o - diff --git a/arch/m68k/platform/5307/gpio.c b/arch/m68k/platform/5307/gpio.c deleted file mode 100644 index 5850612..0000000 --- a/arch/m68k/platform/5307/gpio.c +++ /dev/null @@ -1,49 +0,0 @@ -/* - * Coldfire generic GPIO support - * - * (C) Copyright 2009, Steven King <sfking@fdwdc.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; version 2 of the License. - * - * 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/kernel.h> -#include <linux/init.h> - -#include <asm/coldfire.h> -#include <asm/mcfsim.h> -#include <asm/mcfgpio.h> - -static struct mcf_gpio_chip mcf_gpio_chips[] = { - { - .gpio_chip = { - .label = "PP", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value, - .ngpio = 16, - }, - .pddr = (void __iomem *) MCFSIM_PADDR, - .podr = (void __iomem *) MCFSIM_PADAT, - .ppdr = (void __iomem *) MCFSIM_PADAT, - }, -}; - -static int __init mcf_gpio_init(void) -{ - unsigned i = 0; - while (i < ARRAY_SIZE(mcf_gpio_chips)) - (void)gpiochip_add((struct gpio_chip *)&mcf_gpio_chips[i++]); - return 0; -} - -core_initcall(mcf_gpio_init); diff --git a/arch/m68k/platform/532x/Makefile b/arch/m68k/platform/532x/Makefile deleted file mode 100644 index ce01669..0000000 --- a/arch/m68k/platform/532x/Makefile +++ /dev/null @@ -1,18 +0,0 @@ -# -# Makefile for the m68knommu linux kernel. -# - -# -# If you want to play with the HW breakpoints then you will -# need to add define this, which will give you a stack backtrace -# on the console port whenever a DBG interrupt occurs. You have to -# set up you HW breakpoints to trigger a DBG interrupt: -# -# ccflags-y := -DTRAP_DBG_INTERRUPT -# asflags-y := -DTRAP_DBG_INTERRUPT -# - -asflags-$(CONFIG_FULLDEBUG) := -DDEBUGGER_COMPATIBLE_CACHE=1 - -#obj-y := config.o usb-mcf532x.o spi-mcf532x.o -obj-y := config.o gpio.o diff --git a/arch/m68k/platform/532x/gpio.c b/arch/m68k/platform/532x/gpio.c deleted file mode 100644 index 212a85d..0000000 --- a/arch/m68k/platform/532x/gpio.c +++ /dev/null @@ -1,337 +0,0 @@ -/* - * Coldfire generic GPIO support - * - * (C) Copyright 2009, Steven King <sfking@fdwdc.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; version 2 of the License. - * - * 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/kernel.h> -#include <linux/init.h> - -#include <asm/coldfire.h> -#include <asm/mcfsim.h> -#include <asm/mcfgpio.h> - -static struct mcf_gpio_chip mcf_gpio_chips[] = { - { - .gpio_chip = { - .label = "PIRQ", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value, - .ngpio = 8, - }, - .pddr = (void __iomem *) MCFEPORT_EPDDR, - .podr = (void __iomem *) MCFEPORT_EPDR, - .ppdr = (void __iomem *) MCFEPORT_EPPDR, - }, - { - .gpio_chip = { - .label = "FECH", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 8, - .ngpio = 8, - }, - .pddr = (void __iomem *) MCFGPIO_PDDR_FECH, - .podr = (void __iomem *) MCFGPIO_PODR_FECH, - .ppdr = (void __iomem *) MCFGPIO_PPDSDR_FECH, - .setr = (void __iomem *) MCFGPIO_PPDSDR_FECH, - .clrr = (void __iomem *) MCFGPIO_PCLRR_FECH, - }, - { - .gpio_chip = { - .label = "FECL", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 16, - .ngpio = 8, - }, - .pddr = (void __iomem *) MCFGPIO_PDDR_FECL, - .podr = (void __iomem *) MCFGPIO_PODR_FECL, - .ppdr = (void __iomem *) MCFGPIO_PPDSDR_FECL, - .setr = (void __iomem *) MCFGPIO_PPDSDR_FECL, - .clrr = (void __iomem *) MCFGPIO_PCLRR_FECL, - }, - { - .gpio_chip = { - .label = "SSI", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 24, - .ngpio = 5, - }, - .pddr = (void __iomem *) MCFGPIO_PDDR_SSI, - .podr = (void __iomem *) MCFGPIO_PODR_SSI, - .ppdr = (void __iomem *) MCFGPIO_PPDSDR_SSI, - .setr = (void __iomem *) MCFGPIO_PPDSDR_SSI, - .clrr = (void __iomem *) MCFGPIO_PCLRR_SSI, - }, - { - .gpio_chip = { - .label = "BUSCTL", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 32, - .ngpio = 4, - }, - .pddr = (void __iomem *) MCFGPIO_PDDR_BUSCTL, - .podr = (void __iomem *) MCFGPIO_PODR_BUSCTL, - .ppdr = (void __iomem *) MCFGPIO_PPDSDR_BUSCTL, - .setr = (void __iomem *) MCFGPIO_PPDSDR_BUSCTL, - .clrr = (void __iomem *) MCFGPIO_PCLRR_BUSCTL, - }, - { - .gpio_chip = { - .label = "BE", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 40, - .ngpio = 4, - }, - .pddr = (void __iomem *) MCFGPIO_PDDR_BE, - .podr = (void __iomem *) MCFGPIO_PODR_BE, - .ppdr = (void __iomem *) MCFGPIO_PPDSDR_BE, - .setr = (void __iomem *) MCFGPIO_PPDSDR_BE, - .clrr = (void __iomem *) MCFGPIO_PCLRR_BE, - }, - { - .gpio_chip = { - .label = "CS", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 49, - .ngpio = 5, - }, - .pddr = (void __iomem *) MCFGPIO_PDDR_CS, - .podr = (void __iomem *) MCFGPIO_PODR_CS, - .ppdr = (void __iomem *) MCFGPIO_PPDSDR_CS, - .setr = (void __iomem *) MCFGPIO_PPDSDR_CS, - .clrr = (void __iomem *) MCFGPIO_PCLRR_CS, - }, - { - .gpio_chip = { - .label = "PWM", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 58, - .ngpio = 4, - }, - .pddr = (void __iomem *) MCFGPIO_PDDR_PWM, - .podr = (void __iomem *) MCFGPIO_PODR_PWM, - .ppdr = (void __iomem *) MCFGPIO_PPDSDR_PWM, - .setr = (void __iomem *) MCFGPIO_PPDSDR_PWM, - .clrr = (void __iomem *) MCFGPIO_PCLRR_PWM, - }, - { - .gpio_chip = { - .label = "FECI2C", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 64, - .ngpio = 4, - }, - .pddr = (void __iomem *) MCFGPIO_PDDR_FECI2C, - .podr = (void __iomem *) MCFGPIO_PODR_FECI2C, - .ppdr = (void __iomem *) MCFGPIO_PPDSDR_FECI2C, - .setr = (void __iomem *) MCFGPIO_PPDSDR_FECI2C, - .clrr = (void __iomem *) MCFGPIO_PCLRR_FECI2C, - }, - { - .gpio_chip = { - .label = "UART", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 72, - .ngpio = 8, - }, - .pddr = (void __iomem *) MCFGPIO_PDDR_UART, - .podr = (void __iomem *) MCFGPIO_PODR_UART, - .ppdr = (void __iomem *) MCFGPIO_PPDSDR_UART, - .setr = (void __iomem *) MCFGPIO_PPDSDR_UART, - .clrr = (void __iomem *) MCFGPIO_PCLRR_UART, - }, - { - .gpio_chip = { - .label = "QSPI", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 80, - .ngpio = 6, - }, - .pddr = (void __iomem *) MCFGPIO_PDDR_QSPI, - .podr = (void __iomem *) MCFGPIO_PODR_QSPI, - .ppdr = (void __iomem *) MCFGPIO_PPDSDR_QSPI, - .setr = (void __iomem *) MCFGPIO_PPDSDR_QSPI, - .clrr = (void __iomem *) MCFGPIO_PCLRR_QSPI, - }, - { - .gpio_chip = { - .label = "TIMER", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 88, - .ngpio = 4, - }, - .pddr = (void __iomem *) MCFGPIO_PDDR_TIMER, - .podr = (void __iomem *) MCFGPIO_PODR_TIMER, - .ppdr = (void __iomem *) MCFGPIO_PPDSDR_TIMER, - .setr = (void __iomem *) MCFGPIO_PPDSDR_TIMER, - .clrr = (void __iomem *) MCFGPIO_PCLRR_TIMER, - }, - { - .gpio_chip = { - .label = "LCDDATAH", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 96, - .ngpio = 2, - }, - .pddr = (void __iomem *) MCFGPIO_PDDR_LCDDATAH, - .podr = (void __iomem *) MCFGPIO_PODR_LCDDATAH, - .ppdr = (void __iomem *) MCFGPIO_PPDSDR_LCDDATAH, - .setr = (void __iomem *) MCFGPIO_PPDSDR_LCDDATAH, - .clrr = (void __iomem *) MCFGPIO_PCLRR_LCDDATAH, - }, - { - .gpio_chip = { - .label = "LCDDATAM", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 104, - .ngpio = 8, - }, - .pddr = (void __iomem *) MCFGPIO_PDDR_LCDDATAM, - .podr = (void __iomem *) MCFGPIO_PODR_LCDDATAM, - .ppdr = (void __iomem *) MCFGPIO_PPDSDR_LCDDATAM, - .setr = (void __iomem *) MCFGPIO_PPDSDR_LCDDATAM, - .clrr = (void __iomem *) MCFGPIO_PCLRR_LCDDATAM, - }, - { - .gpio_chip = { - .label = "LCDDATAL", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 112, - .ngpio = 8, - }, - .pddr = (void __iomem *) MCFGPIO_PDDR_LCDDATAL, - .podr = (void __iomem *) MCFGPIO_PODR_LCDDATAL, - .ppdr = (void __iomem *) MCFGPIO_PPDSDR_LCDDATAL, - .setr = (void __iomem *) MCFGPIO_PPDSDR_LCDDATAL, - .clrr = (void __iomem *) MCFGPIO_PCLRR_LCDDATAL, - }, - { - .gpio_chip = { - .label = "LCDCTLH", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 120, - .ngpio = 1, - }, - .pddr = (void __iomem *) MCFGPIO_PDDR_LCDCTLH, - .podr = (void __iomem *) MCFGPIO_PODR_LCDCTLH, - .ppdr = (void __iomem *) MCFGPIO_PPDSDR_LCDCTLH, - .setr = (void __iomem *) MCFGPIO_PPDSDR_LCDCTLH, - .clrr = (void __iomem *) MCFGPIO_PCLRR_LCDCTLH, - }, - { - .gpio_chip = { - .label = "LCDCTLL", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value_fast, - .base = 128, - .ngpio = 8, - }, - .pddr = (void __iomem *) MCFGPIO_PDDR_LCDCTLL, - .podr = (void __iomem *) MCFGPIO_PODR_LCDCTLL, - .ppdr = (void __iomem *) MCFGPIO_PPDSDR_LCDCTLL, - .setr = (void __iomem *) MCFGPIO_PPDSDR_LCDCTLL, - .clrr = (void __iomem *) MCFGPIO_PCLRR_LCDCTLL, - }, -}; - -static int __init mcf_gpio_init(void) -{ - unsigned i = 0; - while (i < ARRAY_SIZE(mcf_gpio_chips)) - (void)gpiochip_add((struct gpio_chip *)&mcf_gpio_chips[i++]); - return 0; -} - -core_initcall(mcf_gpio_init); diff --git a/arch/m68k/platform/5407/Makefile b/arch/m68k/platform/5407/Makefile deleted file mode 100644 index e83fe14..0000000 --- a/arch/m68k/platform/5407/Makefile +++ /dev/null @@ -1,18 +0,0 @@ -# -# Makefile for the m68knommu linux kernel. -# - -# -# If you want to play with the HW breakpoints then you will -# need to add define this, which will give you a stack backtrace -# on the console port whenever a DBG interrupt occurs. You have to -# set up you HW breakpoints to trigger a DBG interrupt: -# -# ccflags-y := -DTRAP_DBG_INTERRUPT -# asflags-y := -DTRAP_DBG_INTERRUPT -# - -asflags-$(CONFIG_FULLDEBUG) := -DDEBUGGER_COMPATIBLE_CACHE=1 - -obj-y := config.o gpio.o - diff --git a/arch/m68k/platform/5407/gpio.c b/arch/m68k/platform/5407/gpio.c deleted file mode 100644 index 5850612..0000000 --- a/arch/m68k/platform/5407/gpio.c +++ /dev/null @@ -1,49 +0,0 @@ -/* - * Coldfire generic GPIO support - * - * (C) Copyright 2009, Steven King <sfking@fdwdc.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; version 2 of the License. - * - * 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/kernel.h> -#include <linux/init.h> - -#include <asm/coldfire.h> -#include <asm/mcfsim.h> -#include <asm/mcfgpio.h> - -static struct mcf_gpio_chip mcf_gpio_chips[] = { - { - .gpio_chip = { - .label = "PP", - .request = mcf_gpio_request, - .free = mcf_gpio_free, - .direction_input = mcf_gpio_direction_input, - .direction_output = mcf_gpio_direction_output, - .get = mcf_gpio_get_value, - .set = mcf_gpio_set_value, - .ngpio = 16, - }, - .pddr = (void __iomem *) MCFSIM_PADDR, - .podr = (void __iomem *) MCFSIM_PADAT, - .ppdr = (void __iomem *) MCFSIM_PADAT, - }, -}; - -static int __init mcf_gpio_init(void) -{ - unsigned i = 0; - while (i < ARRAY_SIZE(mcf_gpio_chips)) - (void)gpiochip_add((struct gpio_chip *)&mcf_gpio_chips[i++]); - return 0; -} - -core_initcall(mcf_gpio_init); diff --git a/arch/m68k/platform/54xx/Makefile b/arch/m68k/platform/54xx/Makefile deleted file mode 100644 index 6cfd090..0000000 --- a/arch/m68k/platform/54xx/Makefile +++ /dev/null @@ -1,19 +0,0 @@ -# -# Makefile for the m68knommu linux kernel. -# - -# -# If you want to play with the HW breakpoints then you will -# need to add define this, which will give you a stack backtrace -# on the console port whenever a DBG interrupt occurs. You have to -# set up you HW breakpoints to trigger a DBG interrupt: -# -# EXTRA_CFLAGS += -DTRAP_DBG_INTERRUPT -# EXTRA_AFLAGS += -DTRAP_DBG_INTERRUPT -# - -asflags-$(CONFIG_FULLDEBUG) := -DDEBUGGER_COMPATIBLE_CACHE=1 - -obj-y := config.o -obj-$(CONFIG_FIREBEE) += firebee.o - diff --git a/arch/m68k/platform/coldfire/Makefile b/arch/m68k/platform/coldfire/Makefile index a0815c6..76d389d 100644 --- a/arch/m68k/platform/coldfire/Makefile +++ b/arch/m68k/platform/coldfire/Makefile @@ -15,18 +15,22 @@ asflags-$(CONFIG_FULLDEBUG) := -DDEBUGGER_COMPATIBLE_CACHE=1 obj-$(CONFIG_COLDFIRE) += cache.o clk.o device.o dma.o entry.o vectors.o -obj-$(CONFIG_M5206) += timers.o intc.o reset.o -obj-$(CONFIG_M5206e) += timers.o intc.o reset.o -obj-$(CONFIG_M520x) += pit.o intc-simr.o reset.o -obj-$(CONFIG_M523x) += pit.o dma_timer.o intc-2.o reset.o -obj-$(CONFIG_M5249) += timers.o intc.o reset.o -obj-$(CONFIG_M527x) += pit.o intc-2.o reset.o -obj-$(CONFIG_M5272) += timers.o -obj-$(CONFIG_M528x) += pit.o intc-2.o reset.o -obj-$(CONFIG_M5307) += timers.o intc.o reset.o -obj-$(CONFIG_M532x) += timers.o intc-simr.o reset.o -obj-$(CONFIG_M5407) += timers.o intc.o reset.o -obj-$(CONFIG_M54xx) += sltimers.o intc-2.o +obj-$(CONFIG_M5206) += m5206.o timers.o intc.o reset.o +obj-$(CONFIG_M5206e) += m5206.o timers.o intc.o reset.o +obj-$(CONFIG_M520x) += m520x.o pit.o intc-simr.o reset.o +obj-$(CONFIG_M523x) += m523x.o pit.o dma_timer.o intc-2.o reset.o +obj-$(CONFIG_M5249) += m5249.o timers.o intc.o intc-5249.o reset.o +obj-$(CONFIG_M527x) += m527x.o pit.o intc-2.o reset.o +obj-$(CONFIG_M5272) += m5272.o intc-5272.o timers.o +obj-$(CONFIG_M528x) += m528x.o pit.o intc-2.o reset.o +obj-$(CONFIG_M5307) += m5307.o timers.o intc.o reset.o +obj-$(CONFIG_M532x) += m532x.o timers.o intc-simr.o reset.o +obj-$(CONFIG_M5407) += m5407.o timers.o intc.o reset.o +obj-$(CONFIG_M54xx) += m54xx.o sltimers.o intc-2.o + +obj-$(CONFIG_NETtel) += nettel.o +obj-$(CONFIG_CLEOPATRA) += nettel.o +obj-$(CONFIG_FIREBEE) += firebee.o obj-y += pinmux.o gpio.o extra-y := head.o diff --git a/arch/m68k/platform/54xx/firebee.c b/arch/m68k/platform/coldfire/firebee.c index 46d5053..46d5053 100644 --- a/arch/m68k/platform/54xx/firebee.c +++ b/arch/m68k/platform/coldfire/firebee.c diff --git a/arch/m68k/platform/coldfire/gpio.c b/arch/m68k/platform/coldfire/gpio.c index 292a1a5..4c8c424 100644 --- a/arch/m68k/platform/coldfire/gpio.c +++ b/arch/m68k/platform/coldfire/gpio.c @@ -122,6 +122,10 @@ struct bus_type mcf_gpio_subsys = { static int __init mcf_gpio_sysinit(void) { + unsigned int i = 0; + + while (i < mcf_gpio_chips_size) + gpiochip_add((struct gpio_chip *)&mcf_gpio_chips[i++]); return subsys_system_register(&mcf_gpio_subsys, NULL); } diff --git a/arch/m68k/platform/5249/intc2.c b/arch/m68k/platform/coldfire/intc-5249.c index f343bf7..f343bf7 100644 --- a/arch/m68k/platform/5249/intc2.c +++ b/arch/m68k/platform/coldfire/intc-5249.c diff --git a/arch/m68k/platform/5272/intc.c b/arch/m68k/platform/coldfire/intc-5272.c index 7160e61..7160e61 100644 --- a/arch/m68k/platform/5272/intc.c +++ b/arch/m68k/platform/coldfire/intc-5272.c diff --git a/arch/m68k/platform/5206/config.c b/arch/m68k/platform/coldfire/m5206.c index 6bfbeeb..a8b81df 100644 --- a/arch/m68k/platform/5206/config.c +++ b/arch/m68k/platform/coldfire/m5206.c @@ -16,6 +16,15 @@ #include <asm/machdep.h> #include <asm/coldfire.h> #include <asm/mcfsim.h> +#include <asm/mcfgpio.h> + +/***************************************************************************/ + +struct mcf_gpio_chip mcf_gpio_chips[] = { + MCFGPS(PP, 0, 8, MCFSIM_PADDR, MCFSIM_PADAT, MCFSIM_PADAT), +}; + +unsigned int mcf_gpio_chips_size = ARRAY_SIZE(mcf_gpio_chips); /***************************************************************************/ diff --git a/arch/m68k/platform/520x/config.c b/arch/m68k/platform/coldfire/m520x.c index 09df4b8..3264b88 100644 --- a/arch/m68k/platform/520x/config.c +++ b/arch/m68k/platform/coldfire/m520x.c @@ -19,6 +19,22 @@ #include <asm/coldfire.h> #include <asm/mcfsim.h> #include <asm/mcfuart.h> +#include <asm/mcfgpio.h> + +/***************************************************************************/ + +struct mcf_gpio_chip mcf_gpio_chips[] = { + MCFGPS(PIRQ, 0, 8, MCFEPORT_EPDDR, MCFEPORT_EPDR, MCFEPORT_EPPDR), + MCFGPF(CS, 9, 3), + MCFGPF(FECI2C, 16, 4), + MCFGPF(QSPI, 24, 4), + MCFGPF(TIMER, 32, 4), + MCFGPF(UART, 40, 8), + MCFGPF(FECH, 48, 8), + MCFGPF(FECL, 56, 8), +}; + +unsigned int mcf_gpio_chips_size = ARRAY_SIZE(mcf_gpio_chips); /***************************************************************************/ diff --git a/arch/m68k/platform/523x/config.c b/arch/m68k/platform/coldfire/m523x.c index d47dfd8..5d57a42 100644 --- a/arch/m68k/platform/523x/config.c +++ b/arch/m68k/platform/coldfire/m523x.c @@ -19,6 +19,28 @@ #include <asm/machdep.h> #include <asm/coldfire.h> #include <asm/mcfsim.h> +#include <asm/mcfgpio.h> + +/***************************************************************************/ + +struct mcf_gpio_chip mcf_gpio_chips[] = { + MCFGPS(PIRQ, 1, 7, MCFEPORT_EPDDR, MCFEPORT_EPDR, MCFEPORT_EPPDR), + MCFGPF(ADDR, 13, 3), + MCFGPF(DATAH, 16, 8), + MCFGPF(DATAL, 24, 8), + MCFGPF(BUSCTL, 32, 8), + MCFGPF(BS, 40, 4), + MCFGPF(CS, 49, 7), + MCFGPF(SDRAM, 56, 6), + MCFGPF(FECI2C, 64, 4), + MCFGPF(UARTH, 72, 2), + MCFGPF(UARTL, 80, 8), + MCFGPF(QSPI, 88, 5), + MCFGPF(TIMER, 96, 8), + MCFGPF(ETPU, 104, 3), +}; + +unsigned int mcf_gpio_chips_size = ARRAY_SIZE(mcf_gpio_chips); /***************************************************************************/ diff --git a/arch/m68k/platform/5249/config.c b/arch/m68k/platform/coldfire/m5249.c index 300e729..fdfa1ed 100644 --- a/arch/m68k/platform/5249/config.c +++ b/arch/m68k/platform/coldfire/m5249.c @@ -16,6 +16,16 @@ #include <asm/machdep.h> #include <asm/coldfire.h> #include <asm/mcfsim.h> +#include <asm/mcfgpio.h> + +/***************************************************************************/ + +struct mcf_gpio_chip mcf_gpio_chips[] = { + MCFGPS(GPIO0, 0, 32, MCFSIM2_GPIOENABLE, MCFSIM2_GPIOWRITE, MCFSIM2_GPIOREAD), + MCFGPS(GPIO1, 32, 32, MCFSIM2_GPIO1ENABLE, MCFSIM2_GPIO1WRITE, MCFSIM2_GPIO1READ), +}; + +unsigned int mcf_gpio_chips_size = ARRAY_SIZE(mcf_gpio_chips); /***************************************************************************/ diff --git a/arch/m68k/platform/5272/config.c b/arch/m68k/platform/coldfire/m5272.c index e68bc7a..43e3606 100644 --- a/arch/m68k/platform/5272/config.c +++ b/arch/m68k/platform/coldfire/m5272.c @@ -19,6 +19,7 @@ #include <asm/coldfire.h> #include <asm/mcfsim.h> #include <asm/mcfuart.h> +#include <asm/mcfgpio.h> /***************************************************************************/ @@ -30,6 +31,16 @@ unsigned char ledbank = 0xff; /***************************************************************************/ +struct mcf_gpio_chip mcf_gpio_chips[] = { + MCFGPS(PA, 0, 16, MCFSIM_PADDR, MCFSIM_PADAT, MCFSIM_PADAT), + MCFGPS(PB, 16, 16, MCFSIM_PBDDR, MCFSIM_PBDAT, MCFSIM_PBDAT), + MCFGPS(Pc, 32, 16, MCFSIM_PCDDR, MCFSIM_PCDAT, MCFSIM_PCDAT), +}; + +unsigned int mcf_gpio_chips_size = ARRAY_SIZE(mcf_gpio_chips); + +/***************************************************************************/ + static void __init m5272_uarts_init(void) { u32 v; diff --git a/arch/m68k/platform/527x/config.c b/arch/m68k/platform/coldfire/m527x.c index b3cb378..9b0b66a 100644 --- a/arch/m68k/platform/527x/config.c +++ b/arch/m68k/platform/coldfire/m527x.c @@ -20,6 +20,49 @@ #include <asm/coldfire.h> #include <asm/mcfsim.h> #include <asm/mcfuart.h> +#include <asm/mcfgpio.h> + +/***************************************************************************/ + +struct mcf_gpio_chip mcf_gpio_chips[] = { +#if defined(CONFIG_M5271) + MCFGPS(PIRQ, 1, 7, MCFEPORT_EPDDR, MCFEPORT_EPDR, MCFEPORT_EPPDR), + MCFGPF(ADDR, 13, 3), + MCFGPF(DATAH, 16, 8), + MCFGPF(DATAL, 24, 8), + MCFGPF(BUSCTL, 32, 8), + MCFGPF(BS, 40, 4), + MCFGPF(CS, 49, 7), + MCFGPF(SDRAM, 56, 6), + MCFGPF(FECI2C, 64, 4), + MCFGPF(UARTH, 72, 2), + MCFGPF(UARTL, 80, 8), + MCFGPF(QSPI, 88, 5), + MCFGPF(TIMER, 96, 8), +#elif defined(CONFIG_M5275) + MCFGPS(PIRQ, 1, 7, MCFEPORT_EPDDR, MCFEPORT_EPDR, MCFEPORT_EPPDR), + MCFGPF(BUSCTL, 8, 8), + MCFGPF(ADDR, 21, 3), + MCFGPF(CS, 25, 7), + MCFGPF(FEC0H, 32, 8), + MCFGPF(FEC0L, 40, 8), + MCFGPF(FECI2C, 48, 6), + MCFGPF(QSPI, 56, 7), + MCFGPF(SDRAM, 64, 8), + MCFGPF(TIMERH, 72, 4), + MCFGPF(TIMERL, 80, 4), + MCFGPF(UARTL, 88, 8), + MCFGPF(FEC1H, 96, 8), + MCFGPF(FEC1L, 104, 8), + MCFGPF(BS, 114, 2), + MCFGPF(IRQ, 121, 7), + MCFGPF(USBH, 128, 1), + MCFGPF(USBL, 136, 8), + MCFGPF(UARTH, 144, 4), +#endif +}; + +unsigned int mcf_gpio_chips_size = ARRAY_SIZE(mcf_gpio_chips); /***************************************************************************/ diff --git a/arch/m68k/platform/528x/config.c b/arch/m68k/platform/coldfire/m528x.c index c5f11ba..7ed1276b 100644 --- a/arch/m68k/platform/528x/config.c +++ b/arch/m68k/platform/coldfire/m528x.c @@ -21,6 +21,37 @@ #include <asm/coldfire.h> #include <asm/mcfsim.h> #include <asm/mcfuart.h> +#include <asm/mcfgpio.h> + +/***************************************************************************/ + +struct mcf_gpio_chip mcf_gpio_chips[] = { + MCFGPS(NQ, 1, 7, MCFEPORT_EPDDR, MCFEPORT_EPDR, MCFEPORT_EPPDR), + MCFGPS(TA, 8, 4, MCFGPTA_GPTDDR, MCFGPTA_GPTPORT, MCFGPTB_GPTPORT), + MCFGPS(TB, 16, 4, MCFGPTB_GPTDDR, MCFGPTB_GPTPORT, MCFGPTB_GPTPORT), + MCFGPS(QA, 24, 4, MCFQADC_DDRQA, MCFQADC_PORTQA, MCFQADC_PORTQA), + MCFGPS(QB, 32, 4, MCFQADC_DDRQB, MCFQADC_PORTQB, MCFQADC_PORTQB), + MCFGPF(A, 40, 8), + MCFGPF(B, 48, 8), + MCFGPF(C, 56, 8), + MCFGPF(D, 64, 8), + MCFGPF(E, 72, 8), + MCFGPF(F, 80, 8), + MCFGPF(G, 88, 8), + MCFGPF(H, 96, 8), + MCFGPF(J, 104, 8), + MCFGPF(DD, 112, 8), + MCFGPF(EH, 120, 8), + MCFGPF(EL, 128, 8), + MCFGPF(AS, 136, 6), + MCFGPF(QS, 144, 7), + MCFGPF(SD, 152, 6), + MCFGPF(TC, 160, 4), + MCFGPF(TD, 168, 4), + MCFGPF(UA, 176, 4), +}; + +unsigned int mcf_gpio_chips_size = ARRAY_SIZE(mcf_gpio_chips); /***************************************************************************/ diff --git a/arch/m68k/platform/5307/config.c b/arch/m68k/platform/coldfire/m5307.c index a568d28..93b4849 100644 --- a/arch/m68k/platform/5307/config.c +++ b/arch/m68k/platform/coldfire/m5307.c @@ -16,6 +16,7 @@ #include <asm/machdep.h> #include <asm/coldfire.h> #include <asm/mcfsim.h> +#include <asm/mcfgpio.h> #include <asm/mcfwdebug.h> /***************************************************************************/ @@ -28,6 +29,14 @@ unsigned char ledbank = 0xff; /***************************************************************************/ +struct mcf_gpio_chip mcf_gpio_chips[] = { + MCFGPS(PP, 0, 16, MCFSIM_PADDR, MCFSIM_PADAT, MCFSIM_PADAT), +}; + +unsigned int mcf_gpio_chips_size = ARRAY_SIZE(mcf_gpio_chips); + +/***************************************************************************/ + void __init config_BSP(char *commandp, int size) { #if defined(CONFIG_NETtel) || \ diff --git a/arch/m68k/platform/532x/config.c b/arch/m68k/platform/coldfire/m532x.c index 37082d0..53942236 100644 --- a/arch/m68k/platform/532x/config.c +++ b/arch/m68k/platform/coldfire/m532x.c @@ -7,7 +7,7 @@ * Copyright (C) 2000, Lineo (www.lineo.com) * Yaroslav Vinogradov yaroslav.vinogradov@freescale.com * Copyright Freescale Semiconductor, Inc 2006 - * Copyright (c) 2006, emlix, Sebastian Hess <sh@emlix.com> + * Copyright (c) 2006, emlix, Sebastian Hess <shess@hessware.de> * * 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 @@ -26,10 +26,35 @@ #include <asm/mcfsim.h> #include <asm/mcfuart.h> #include <asm/mcfdma.h> +#include <asm/mcfgpio.h> #include <asm/mcfwdebug.h> /***************************************************************************/ +struct mcf_gpio_chip mcf_gpio_chips[] = { + MCFGPS(PIRQ, 0, 8, MCFEPORT_EPDDR, MCFEPORT_EPDR, MCFEPORT_EPPDR), + MCFGPF(FECH, 8, 8), + MCFGPF(FECL, 16, 8), + MCFGPF(SSI, 24, 5), + MCFGPF(BUSCTL, 32, 4), + MCFGPF(BE, 40, 4), + MCFGPF(CS, 49, 5), + MCFGPF(PWM, 58, 4), + MCFGPF(FECI2C, 64, 4), + MCFGPF(UART, 72, 8), + MCFGPF(QSPI, 80, 6), + MCFGPF(TIMER, 88, 4), + MCFGPF(LCDDATAH, 96, 2), + MCFGPF(LCDDATAM, 104, 8), + MCFGPF(LCDDATAL, 112, 8), + MCFGPF(LCDCTLH, 120, 1), + MCFGPF(LCDCTLL, 128, 8), +}; + +unsigned int mcf_gpio_chips_size = ARRAY_SIZE(mcf_gpio_chips); + +/***************************************************************************/ + #if IS_ENABLED(CONFIG_SPI_COLDFIRE_QSPI) static void __init m532x_qspi_init(void) diff --git a/arch/m68k/platform/5407/config.c b/arch/m68k/platform/coldfire/m5407.c index bb6c746..faa6680 100644 --- a/arch/m68k/platform/5407/config.c +++ b/arch/m68k/platform/coldfire/m5407.c @@ -16,6 +16,15 @@ #include <asm/machdep.h> #include <asm/coldfire.h> #include <asm/mcfsim.h> +#include <asm/mcfgpio.h> + +/***************************************************************************/ + +struct mcf_gpio_chip mcf_gpio_chips[] = { + MCFGPS(PP, 0, 16, MCFSIM_PADDR, MCFSIM_PADAT, MCFSIM_PADAT), +}; + +unsigned int mcf_gpio_chips_size = ARRAY_SIZE(mcf_gpio_chips); /***************************************************************************/ diff --git a/arch/m68k/platform/54xx/config.c b/arch/m68k/platform/coldfire/m54xx.c index 2081c6c..20672da 100644 --- a/arch/m68k/platform/54xx/config.c +++ b/arch/m68k/platform/coldfire/m54xx.c @@ -21,12 +21,19 @@ #include <asm/m54xxsim.h> #include <asm/mcfuart.h> #include <asm/m54xxgpt.h> +#include <asm/mcfgpio.h> #ifdef CONFIG_MMU #include <asm/mmu_context.h> #endif /***************************************************************************/ +struct mcf_gpio_chip mcf_gpio_chips[] = { }; + +unsigned int mcf_gpio_chips_size = ARRAY_SIZE(mcf_gpio_chips); + +/***************************************************************************/ + static void __init m54xx_uarts_init(void) { /* enable io pins */ diff --git a/arch/m68k/platform/5307/nettel.c b/arch/m68k/platform/coldfire/nettel.c index e925ea4..e925ea4 100644 --- a/arch/m68k/platform/5307/nettel.c +++ b/arch/m68k/platform/coldfire/nettel.c |
