diff options
| -rw-r--r-- | MAINTAINERS | 2 | ||||
| -rw-r--r-- | Makefile | 7 | ||||
| -rw-r--r-- | arch/sh/Kconfig | 18 | ||||
| -rw-r--r-- | arch/sh/boards/board-ap325rxa.c | 1 | ||||
| -rw-r--r-- | arch/sh/boards/board-urquell.c | 30 | ||||
| -rw-r--r-- | arch/sh/drivers/pci/ops-sh7785lcr.c | 5 | ||||
| -rw-r--r-- | arch/sh/drivers/pci/pci-sh7780.h | 2 | ||||
| -rw-r--r-- | arch/sh/drivers/pci/pci.c | 3 | ||||
| -rw-r--r-- | arch/sh/include/asm/dma-mapping.h | 36 | ||||
| -rw-r--r-- | arch/sh/include/asm/scatterlist.h | 11 | ||||
| -rw-r--r-- | arch/sh/include/asm/topology.h | 7 | ||||
| -rw-r--r-- | arch/sh/include/asm/unistd_32.h | 4 | ||||
| -rw-r--r-- | arch/sh/include/asm/unistd_64.h | 4 | ||||
| -rw-r--r-- | arch/sh/kernel/cpu/sh4a/setup-sh7786.c | 14 | ||||
| -rw-r--r-- | arch/sh/kernel/syscalls_32.S | 2 | ||||
| -rw-r--r-- | arch/sh/kernel/syscalls_64.S | 2 | ||||
| -rw-r--r-- | arch/sh/mm/consistent.c | 31 | ||||
| -rw-r--r-- | drivers/sh/intc.c | 35 |
18 files changed, 179 insertions, 35 deletions
diff --git a/MAINTAINERS b/MAINTAINERS index 29d74f4..57969bf 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -5313,7 +5313,9 @@ L: linux-sh@vger.kernel.org W: http://www.linux-sh.org T: git git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6.git S: Supported +F: Documentation/sh/ F: arch/sh/ +F: drivers/sh/ SUSPEND TO RAM P: Len Brown @@ -169,7 +169,7 @@ SUBARCH := $(shell uname -m | sed -e s/i.86/i386/ -e s/sun4u/sparc64/ \ -e s/arm.*/arm/ -e s/sa110/arm/ \ -e s/s390x/s390/ -e s/parisc64/parisc/ \ -e s/ppc.*/powerpc/ -e s/mips.*/mips/ \ - -e s/sh.*/sh/ ) + -e s/sh[234].*/sh/ ) # Cross compiling and selecting different set of gcc/bin-utils # --------------------------------------------------------------------------- @@ -210,6 +210,11 @@ ifeq ($(ARCH),sparc64) SRCARCH := sparc endif +# Additional ARCH settings for sh +ifeq ($(ARCH),sh64) + SRCARCH := sh +endif + # Where to locate arch specific headers hdr-arch := $(SRCARCH) diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig index 5e4babe..e7390dd 100644 --- a/arch/sh/Kconfig +++ b/arch/sh/Kconfig @@ -14,6 +14,7 @@ config SUPERH select HAVE_GENERIC_DMA_COHERENT select HAVE_IOREMAP_PROT if MMU select HAVE_ARCH_TRACEHOOK + select HAVE_DMA_API_DEBUG help The SuperH is a RISC processor targeted for use in embedded systems and consumer electronics; it was also used in the Sega Dreamcast @@ -21,7 +22,7 @@ config SUPERH <http://www.linux-sh.org/>. config SUPERH32 - def_bool !SUPERH64 + def_bool ARCH = "sh" select HAVE_KPROBES select HAVE_KRETPROBES select HAVE_FUNCTION_TRACER @@ -31,7 +32,7 @@ config SUPERH32 select ARCH_HIBERNATION_POSSIBLE if MMU config SUPERH64 - def_bool y if CPU_SH5 + def_bool ARCH = "sh64" config ARCH_DEFCONFIG string @@ -187,6 +188,8 @@ config ARCH_SHMOBILE bool select ARCH_SUSPEND_POSSIBLE +if SUPERH32 + choice prompt "Processor sub-type selection" @@ -408,6 +411,15 @@ config CPU_SUBTYPE_SH7366 select SYS_SUPPORTS_NUMA select SYS_SUPPORTS_CMT +endchoice + +endif + +if SUPERH64 + +choice + prompt "Processor sub-type selection" + # SH-5 Processor Support config CPU_SUBTYPE_SH5_101 @@ -420,6 +432,8 @@ config CPU_SUBTYPE_SH5_103 endchoice +endif + source "arch/sh/mm/Kconfig" source "arch/sh/Kconfig.cpu" diff --git a/arch/sh/boards/board-ap325rxa.c b/arch/sh/boards/board-ap325rxa.c index 912458f..39e4691 100644 --- a/arch/sh/boards/board-ap325rxa.c +++ b/arch/sh/boards/board-ap325rxa.c @@ -349,6 +349,7 @@ static int ov7725_power(struct device *dev, int mode) static struct ov772x_camera_info ov7725_info = { .buswidth = SOCAM_DATAWIDTH_8, .flags = OV772X_FLAG_VFLIP | OV772X_FLAG_HFLIP, + .edgectrl = OV772X_AUTO_EDGECTRL(0xf, 0), .link = { .power = ov7725_power, }, diff --git a/arch/sh/boards/board-urquell.c b/arch/sh/boards/board-urquell.c index 8367d1d..beb88c4 100644 --- a/arch/sh/boards/board-urquell.c +++ b/arch/sh/boards/board-urquell.c @@ -2,6 +2,8 @@ * Renesas Technology Corp. SH7786 Urquell Support. * * Copyright (C) 2008 Kuninori Morimoto <morimoto.kuninori@renesas.com> + * + * Based on board-sh7785lcr.c * Copyright (C) 2008 Yoshihiro Shimoda * * This file is subject to the terms and conditions of the GNU General Public @@ -21,6 +23,32 @@ #include <asm/heartbeat.h> #include <asm/sizes.h> +/* + * bit 1234 5678 + *---------------------------- + * SW1 0101 0010 -> Pck 33MHz version + * (1101 0010) Pck 66MHz version + * SW2 0x1x xxxx -> little endian + * 29bit mode + * SW47 0001 1000 -> CS0 : on-board flash + * CS1 : SRAM, registers, LAN, PCMCIA + * 38400 bps for SCIF1 + * + * Address + * 0x00000000 - 0x04000000 (CS0) Nor Flash + * 0x04000000 - 0x04200000 (CS1) SRAM + * 0x05000000 - 0x05800000 (CS1) on board register + * 0x05800000 - 0x06000000 (CS1) LAN91C111 + * 0x06000000 - 0x06400000 (CS1) PCMCIA + * 0x08000000 - 0x10000000 (CS2-CS3) DDR3 + * 0x10000000 - 0x14000000 (CS4) PCIe + * 0x14000000 - 0x14800000 (CS5) Core0 LRAM/URAM + * 0x14800000 - 0x15000000 (CS5) Core1 LRAM/URAM + * 0x18000000 - 0x1C000000 (CS6) ATA/NAND-Flash + * 0x1C000000 - (CS7) SH7786 Control register + */ + +/* HeartBeat */ static struct resource heartbeat_resources[] = { [0] = { .start = BOARDREG(SLEDR), @@ -43,6 +71,7 @@ static struct platform_device heartbeat_device = { .resource = heartbeat_resources, }; +/* LAN91C111 */ static struct smc91x_platdata smc91x_info = { .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT, }; @@ -69,6 +98,7 @@ static struct platform_device smc91x_eth_device = { }, }; +/* Nor Flash */ static struct mtd_partition nor_flash_partitions[] = { { .name = "loader", diff --git a/arch/sh/drivers/pci/ops-sh7785lcr.c b/arch/sh/drivers/pci/ops-sh7785lcr.c index e8b7446..fb0869f 100644 --- a/arch/sh/drivers/pci/ops-sh7785lcr.c +++ b/arch/sh/drivers/pci/ops-sh7785lcr.c @@ -48,8 +48,13 @@ EXPORT_SYMBOL(board_pci_channels); static struct sh4_pci_address_map sh7785_pci_map = { .window0 = { +#if defined(CONFIG_32BIT) + .base = SH7780_32BIT_DDR_BASE_ADDR, + .size = 0x40000000, +#else .base = SH7780_CS0_BASE_ADDR, .size = 0x20000000, +#endif }, .flags = SH4_PCIC_NO_RESET, diff --git a/arch/sh/drivers/pci/pci-sh7780.h b/arch/sh/drivers/pci/pci-sh7780.h index 97b2c98..93adc71 100644 --- a/arch/sh/drivers/pci/pci-sh7780.h +++ b/arch/sh/drivers/pci/pci-sh7780.h @@ -104,6 +104,8 @@ #define SH7780_CS5_BASE_ADDR (SH7780_CS4_BASE_ADDR + SH7780_MEM_REGION_SIZE) #define SH7780_CS6_BASE_ADDR (SH7780_CS5_BASE_ADDR + SH7780_MEM_REGION_SIZE) +#define SH7780_32BIT_DDR_BASE_ADDR 0x40000000 + struct sh4_pci_address_map; /* arch/sh/drivers/pci/pci-sh7780.c */ diff --git a/arch/sh/drivers/pci/pci.c b/arch/sh/drivers/pci/pci.c index e36c7b8..0d6ac7a1 100644 --- a/arch/sh/drivers/pci/pci.c +++ b/arch/sh/drivers/pci/pci.c @@ -19,6 +19,7 @@ #include <linux/kernel.h> #include <linux/pci.h> #include <linux/init.h> +#include <linux/dma-debug.h> #include <asm/io.h> static int __init pcibios_init(void) @@ -43,6 +44,8 @@ static int __init pcibios_init(void) pci_fixup_irqs(pci_common_swizzle, pcibios_map_platform_irq); + dma_debug_add_bus(&pci_bus_type); + return 0; } subsys_initcall(pcibios_init); diff --git a/arch/sh/include/asm/dma-mapping.h b/arch/sh/include/asm/dma-mapping.h index 627315e..ea9d4f4 100644 --- a/arch/sh/include/asm/dma-mapping.h +++ b/arch/sh/include/asm/dma-mapping.h @@ -3,6 +3,7 @@ #include <linux/mm.h> #include <linux/scatterlist.h> +#include <linux/dma-debug.h> #include <asm/cacheflush.h> #include <asm/io.h> #include <asm-generic/dma-coherent.h> @@ -38,16 +39,26 @@ static inline dma_addr_t dma_map_single(struct device *dev, void *ptr, size_t size, enum dma_data_direction dir) { + dma_addr_t addr = virt_to_phys(ptr); + #if defined(CONFIG_PCI) && !defined(CONFIG_SH_PCIDMA_NONCOHERENT) if (dev->bus == &pci_bus_type) - return virt_to_phys(ptr); + return addr; #endif dma_cache_sync(dev, ptr, size, dir); - return virt_to_phys(ptr); + debug_dma_map_page(dev, virt_to_page(ptr), + (unsigned long)ptr & ~PAGE_MASK, size, + dir, addr, true); + + return addr; } -#define dma_unmap_single(dev, addr, size, dir) do { } while (0) +static inline void dma_unmap_single(struct device *dev, dma_addr_t addr, + size_t size, enum dma_data_direction dir) +{ + debug_dma_unmap_page(dev, addr, size, dir, true); +} static inline int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents, enum dma_data_direction dir) @@ -59,12 +70,19 @@ static inline int dma_map_sg(struct device *dev, struct scatterlist *sg, dma_cache_sync(dev, sg_virt(&sg[i]), sg[i].length, dir); #endif sg[i].dma_address = sg_phys(&sg[i]); + sg[i].dma_length = sg[i].length; } + debug_dma_map_sg(dev, sg, nents, i, dir); + return nents; } -#define dma_unmap_sg(dev, sg, nents, dir) do { } while (0) +static inline void dma_unmap_sg(struct device *dev, struct scatterlist *sg, + int nents, enum dma_data_direction dir) +{ + debug_dma_unmap_sg(dev, sg, nents, dir); +} static inline dma_addr_t dma_map_page(struct device *dev, struct page *page, unsigned long offset, size_t size, @@ -111,6 +129,7 @@ static inline void dma_sync_sg(struct device *dev, struct scatterlist *sg, dma_cache_sync(dev, sg_virt(&sg[i]), sg[i].length, dir); #endif sg[i].dma_address = sg_phys(&sg[i]); + sg[i].dma_length = sg[i].length; } } @@ -119,6 +138,7 @@ static inline void dma_sync_single_for_cpu(struct device *dev, enum dma_data_direction dir) { dma_sync_single(dev, dma_handle, size, dir); + debug_dma_sync_single_for_cpu(dev, dma_handle, size, dir); } static inline void dma_sync_single_for_device(struct device *dev, @@ -127,6 +147,7 @@ static inline void dma_sync_single_for_device(struct device *dev, enum dma_data_direction dir) { dma_sync_single(dev, dma_handle, size, dir); + debug_dma_sync_single_for_device(dev, dma_handle, size, dir); } static inline void dma_sync_single_range_for_cpu(struct device *dev, @@ -136,6 +157,8 @@ static inline void dma_sync_single_range_for_cpu(struct device *dev, enum dma_data_direction direction) { dma_sync_single_for_cpu(dev, dma_handle+offset, size, direction); + debug_dma_sync_single_range_for_cpu(dev, dma_handle, + offset, size, direction); } static inline void dma_sync_single_range_for_device(struct device *dev, @@ -145,6 +168,8 @@ static inline void dma_sync_single_range_for_device(struct device *dev, enum dma_data_direction direction) { dma_sync_single_for_device(dev, dma_handle+offset, size, direction); + debug_dma_sync_single_range_for_device(dev, dma_handle, + offset, size, direction); } @@ -153,6 +178,7 @@ static inline void dma_sync_sg_for_cpu(struct device *dev, enum dma_data_direction dir) { dma_sync_sg(dev, sg, nelems, dir); + debug_dma_sync_sg_for_cpu(dev, sg, nelems, dir); } static inline void dma_sync_sg_for_device(struct device *dev, @@ -160,9 +186,9 @@ static inline void dma_sync_sg_for_device(struct device *dev, enum dma_data_direction dir) { dma_sync_sg(dev, sg, nelems, dir); + debug_dma_sync_sg_for_device(dev, sg, nelems, dir); } - static inline int dma_get_cache_alignment(void) { /* diff --git a/arch/sh/include/asm/scatterlist.h b/arch/sh/include/asm/scatterlist.h index 2084d03..c693d26 100644 --- a/arch/sh/include/asm/scatterlist.h +++ b/arch/sh/include/asm/scatterlist.h @@ -5,12 +5,13 @@ struct scatterlist { #ifdef CONFIG_DEBUG_SG - unsigned long sg_magic; + unsigned long sg_magic; #endif - unsigned long page_link; - unsigned int offset;/* for highmem, page offset */ - dma_addr_t dma_address; - unsigned int length; + unsigned long page_link; + unsigned int offset; /* for highmem, page offset */ + unsigned int length; + dma_addr_t dma_address; + unsigned int dma_length; }; #define ISA_DMA_THRESHOLD PHYS_ADDR_MASK diff --git a/arch/sh/include/asm/topology.h b/arch/sh/include/asm/topology.h index a3f2395..8489a09 100644 --- a/arch/sh/include/asm/topology.h +++ b/arch/sh/include/asm/topology.h @@ -37,8 +37,11 @@ #define pcibus_to_node(bus) ((void)(bus), -1) #define pcibus_to_cpumask(bus) (pcibus_to_node(bus) == -1 ? \ CPU_MASK_ALL : \ - node_to_cpumask(pcibus_to_node(bus)) \ - ) + node_to_cpumask(pcibus_to_node(bus))) +#define cpumask_of_pcibus(bus) (pcibus_to_node(bus) == -1 ? \ + CPU_MASK_ALL_PTR : \ + cpumask_of_node(pcibus_to_node(bus))) + #endif #include <asm-generic/topology.h> diff --git a/arch/sh/include/asm/unistd_32.h b/arch/sh/include/asm/unistd_32.h index d52c000..2efb819 100644 --- a/arch/sh/include/asm/unistd_32.h +++ b/arch/sh/include/asm/unistd_32.h @@ -341,8 +341,10 @@ #define __NR_dup3 330 #define __NR_pipe2 331 #define __NR_inotify_init1 332 +#define __NR_preadv 333 +#define __NR_pwritev 334 -#define NR_syscalls 333 +#define NR_syscalls 335 #ifdef __KERNEL__ diff --git a/arch/sh/include/asm/unistd_64.h b/arch/sh/include/asm/unistd_64.h index 7c54e91..6eb9d29 100644 --- a/arch/sh/include/asm/unistd_64.h +++ b/arch/sh/include/asm/unistd_64.h @@ -381,10 +381,12 @@ #define __NR_dup3 358 #define __NR_pipe2 359 #define __NR_inotify_init1 360 +#define __NR_preadv 361 +#define __NR_pwritev 362 #ifdef __KERNEL__ -#define NR_syscalls 361 +#define NR_syscalls 363 #define __ARCH_WANT_IPC_PARSE_VERSION #define __ARCH_WANT_OLD_READDIR diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7786.c b/arch/sh/kernel/cpu/sh4a/setup-sh7786.c index 5a47e1c..90e8cff 100644 --- a/arch/sh/kernel/cpu/sh4a/setup-sh7786.c +++ b/arch/sh/kernel/cpu/sh4a/setup-sh7786.c @@ -143,14 +143,14 @@ static void __init sh7786_usb_setup(void) * Set the PHY and PLL enable bit */ __raw_writel(PHY_ENB | PLL_ENB, USBPCTL1); - while (i-- && - ((__raw_readl(USBST) & ACT_PLL_STATUS) != ACT_PLL_STATUS)) + while (i--) { + if (ACT_PLL_STATUS == (__raw_readl(USBST) & ACT_PLL_STATUS)) { + /* Set the PHY RST bit */ + __raw_writel(PHY_ENB | PLL_ENB | PHY_RST, USBPCTL1); + printk(KERN_INFO "sh7786 usb setup done\n"); + break; + } cpu_relax(); - - if (i) { - /* Set the PHY RST bit */ - __raw_writel(PHY_ENB | PLL_ENB | PHY_RST, USBPCTL1); - printk(KERN_INFO "sh7786 usb setup done\n"); } } diff --git a/arch/sh/kernel/syscalls_32.S b/arch/sh/kernel/syscalls_32.S index e67c173..05202ed 100644 --- a/arch/sh/kernel/syscalls_32.S +++ b/arch/sh/kernel/syscalls_32.S @@ -349,3 +349,5 @@ ENTRY(sys_call_table) .long sys_dup3 /* 330 */ .long sys_pipe2 .long sys_inotify_init1 + .long sys_preadv + .long sys_writev diff --git a/arch/sh/kernel/syscalls_64.S b/arch/sh/kernel/syscalls_64.S index 557cb91..a083609 100644 --- a/arch/sh/kernel/syscalls_64.S +++ b/arch/sh/kernel/syscalls_64.S @@ -387,3 +387,5 @@ sys_call_table: .long sys_dup3 .long sys_pipe2 .long sys_inotify_init1 /* 360 */ + .long sys_preadv + .long sys_pwritev diff --git a/arch/sh/mm/consistent.c b/arch/sh/mm/consistent.c index edcd5fb..e098ec1 100644 --- a/arch/sh/mm/consistent.c +++ b/arch/sh/mm/consistent.c @@ -10,11 +10,22 @@ * for more details. */ #include <linux/mm.h> +#include <linux/init.h> #include <linux/platform_device.h> #include <linux/dma-mapping.h> +#include <linux/dma-debug.h> +#include <linux/io.h> #include <asm/cacheflush.h> #include <asm/addrspace.h> -#include <asm/io.h> + +#define PREALLOC_DMA_DEBUG_ENTRIES 4096 + +static int __init dma_init(void) +{ + dma_debug_init(PREALLOC_DMA_DEBUG_ENTRIES); + return 0; +} +fs_initcall(dma_init); void *dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle, gfp_t gfp) @@ -45,6 +56,9 @@ void *dma_alloc_coherent(struct device *dev, size_t size, split_page(pfn_to_page(virt_to_phys(ret) >> PAGE_SHIFT), order); *dma_handle = virt_to_phys(ret); + + debug_dma_alloc_coherent(dev, size, *dma_handle, ret_nocache); + return ret_nocache; } EXPORT_SYMBOL(dma_alloc_coherent); @@ -56,12 +70,15 @@ void dma_free_coherent(struct device *dev, size_t size, unsigned long pfn = dma_handle >> PAGE_SHIFT; int k; - if (!dma_release_from_coherent(dev, order, vaddr)) { - WARN_ON(irqs_disabled()); /* for portability */ - for (k = 0; k < (1 << order); k++) - __free_pages(pfn_to_page(pfn + k), 0); - iounmap(vaddr); - } + WARN_ON(irqs_disabled()); /* for portability */ + + if (dma_release_from_coherent(dev, order, vaddr)) + return; + + debug_dma_free_coherent(dev, size, vaddr, dma_handle); + for (k = 0; k < (1 << order); k++) + __free_pages(pfn_to_page(pfn + k), 0); + iounmap(vaddr); } EXPORT_SYMBOL(dma_free_coherent); diff --git a/drivers/sh/intc.c b/drivers/sh/intc.c index 7fb9b5c..12d13d9 100644 --- a/drivers/sh/intc.c +++ b/drivers/sh/intc.c @@ -44,6 +44,7 @@ struct intc_handle_int { struct intc_desc_int { struct list_head list; struct sys_device sysdev; + pm_message_t state; unsigned long *reg; #ifdef CONFIG_SMP unsigned long *smp; @@ -786,18 +787,44 @@ static int intc_suspend(struct sys_device *dev, pm_message_t state) /* get intc controller associated with this sysdev */ d = container_of(dev, struct intc_desc_int, sysdev); - /* enable wakeup irqs belonging to this intc controller */ - for_each_irq_desc(irq, desc) { - if ((desc->status & IRQ_WAKEUP) && (desc->chip == &d->chip)) - intc_enable(irq); + switch (state.event) { + case PM_EVENT_ON: + if (d->state.event != PM_EVENT_FREEZE) + break; + for_each_irq_desc(irq, desc) { + if (desc->chip != &d->chip) + continue; + if (desc->status & IRQ_DISABLED) + intc_disable(irq); + else + intc_enable(irq); + } + break; + case PM_EVENT_FREEZE: + /* nothing has to be done */ + break; + case PM_EVENT_SUSPEND: + /* enable wakeup irqs belonging to this intc controller */ + for_each_irq_desc(irq, desc) { + if ((desc->status & IRQ_WAKEUP) && (desc->chip == &d->chip)) + intc_enable(irq); + } + break; } + d->state = state; return 0; } +static int intc_resume(struct sys_device *dev) +{ + return intc_suspend(dev, PMSG_ON); +} + static struct sysdev_class intc_sysdev_class = { .name = "intc", .suspend = intc_suspend, + .resume = intc_resume, }; /* register this intc as sysdev to allow suspend/resume */ |
