diff options
Diffstat (limited to 'arch/sh')
79 files changed, 908 insertions, 776 deletions
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig index 713fb58..ff9e033 100644 --- a/arch/sh/Kconfig +++ b/arch/sh/Kconfig @@ -5,6 +5,7 @@ config SUPERH select HAVE_IDE if HAS_IOPORT select HAVE_MEMBLOCK select HAVE_MEMBLOCK_NODE_MAP + select ARCH_DISCARD_MEMBLOCK select HAVE_OPROFILE select HAVE_GENERIC_DMA_COHERENT select HAVE_ARCH_TRACEHOOK @@ -22,7 +23,7 @@ config SUPERH select HAVE_SYSCALL_TRACEPOINTS select HAVE_REGS_AND_STACK_ACCESS_API select HAVE_GENERIC_HARDIRQS - select HAVE_SPARSE_IRQ + select MAY_HAVE_SPARSE_IRQ select IRQ_FORCED_THREADING select RTC_LIB select GENERIC_ATOMIC64 @@ -161,6 +162,9 @@ config NO_IOPORT config IO_TRAPPED bool +config SWAP_IO_SPACE + bool + config DMA_COHERENT bool diff --git a/arch/sh/boards/mach-ecovec24/setup.c b/arch/sh/boards/mach-ecovec24/setup.c index e5ac12b..d12fe9d 100644 --- a/arch/sh/boards/mach-ecovec24/setup.c +++ b/arch/sh/boards/mach-ecovec24/setup.c @@ -522,11 +522,18 @@ static void sdhi0_set_pwr(struct platform_device *pdev, int state) gpio_set_value(GPIO_PTB6, state); } +static int sdhi0_get_cd(struct platform_device *pdev) +{ + return !gpio_get_value(GPIO_PTY7); +} + static struct sh_mobile_sdhi_info sdhi0_info = { .dma_slave_tx = SHDMA_SLAVE_SDHI0_TX, .dma_slave_rx = SHDMA_SLAVE_SDHI0_RX, .set_pwr = sdhi0_set_pwr, - .tmio_caps = MMC_CAP_SDIO_IRQ | MMC_CAP_POWER_OFF_CARD, + .tmio_caps = MMC_CAP_SDIO_IRQ | MMC_CAP_POWER_OFF_CARD | + MMC_CAP_NEEDS_POLL, + .get_cd = sdhi0_get_cd, }; static struct resource sdhi0_resources[] = { @@ -559,11 +566,18 @@ static void sdhi1_set_pwr(struct platform_device *pdev, int state) gpio_set_value(GPIO_PTB7, state); } +static int sdhi1_get_cd(struct platform_device *pdev) +{ + return !gpio_get_value(GPIO_PTW7); +} + static struct sh_mobile_sdhi_info sdhi1_info = { .dma_slave_tx = SHDMA_SLAVE_SDHI1_TX, .dma_slave_rx = SHDMA_SLAVE_SDHI1_RX, - .tmio_caps = MMC_CAP_SDIO_IRQ | MMC_CAP_POWER_OFF_CARD, + .tmio_caps = MMC_CAP_SDIO_IRQ | MMC_CAP_POWER_OFF_CARD | + MMC_CAP_NEEDS_POLL, .set_pwr = sdhi1_set_pwr, + .get_cd = sdhi1_get_cd, }; static struct resource sdhi1_resources[] = { @@ -1001,6 +1015,7 @@ extern char ecovec24_sdram_leave_end; static int __init arch_setup(void) { struct clk *clk; + bool cn12_enabled = false; /* register board specific self-refresh code */ sh_mobile_register_self_refresh(SUSP_SH_STANDBY | SUSP_SH_SF | @@ -1201,9 +1216,13 @@ static int __init arch_setup(void) gpio_direction_input(GPIO_PTR5); gpio_direction_input(GPIO_PTR6); + /* SD-card slot CN11 */ + /* Card-detect, used on CN11, either with SDHI0 or with SPI */ + gpio_request(GPIO_PTY7, NULL); + gpio_direction_input(GPIO_PTY7); + #if defined(CONFIG_MMC_SDHI) || defined(CONFIG_MMC_SDHI_MODULE) /* enable SDHI0 on CN11 (needs DS2.4 set to ON) */ - gpio_request(GPIO_FN_SDHI0CD, NULL); gpio_request(GPIO_FN_SDHI0WP, NULL); gpio_request(GPIO_FN_SDHI0CMD, NULL); gpio_request(GPIO_FN_SDHI0CLK, NULL); @@ -1213,23 +1232,6 @@ static int __init arch_setup(void) gpio_request(GPIO_FN_SDHI0D0, NULL); gpio_request(GPIO_PTB6, NULL); gpio_direction_output(GPIO_PTB6, 0); - -#if !defined(CONFIG_MMC_SH_MMCIF) && !defined(CONFIG_MMC_SH_MMCIF_MODULE) - /* enable SDHI1 on CN12 (needs DS2.6,7 set to ON,OFF) */ - gpio_request(GPIO_FN_SDHI1CD, NULL); - gpio_request(GPIO_FN_SDHI1WP, NULL); - gpio_request(GPIO_FN_SDHI1CMD, NULL); - gpio_request(GPIO_FN_SDHI1CLK, NULL); - gpio_request(GPIO_FN_SDHI1D3, NULL); - gpio_request(GPIO_FN_SDHI1D2, NULL); - gpio_request(GPIO_FN_SDHI1D1, NULL); - gpio_request(GPIO_FN_SDHI1D0, NULL); - gpio_request(GPIO_PTB7, NULL); - gpio_direction_output(GPIO_PTB7, 0); - - /* I/O buffer drive ability is high for SDHI1 */ - __raw_writew((__raw_readw(IODRIVEA) & ~0x3000) | 0x2000 , IODRIVEA); -#endif /* CONFIG_MMC_SH_MMCIF */ #else /* enable MSIOF0 on CN11 (needs DS2.4 set to OFF) */ gpio_request(GPIO_FN_MSIOF0_TXD, NULL); @@ -1241,12 +1243,51 @@ static int __init arch_setup(void) gpio_direction_output(GPIO_PTB6, 0); /* disable power by default */ gpio_request(GPIO_PTY6, NULL); /* write protect */ gpio_direction_input(GPIO_PTY6); - gpio_request(GPIO_PTY7, NULL); /* card detect */ - gpio_direction_input(GPIO_PTY7); spi_register_board_info(spi_bus, ARRAY_SIZE(spi_bus)); #endif + /* MMC/SD-card slot CN12 */ +#if defined(CONFIG_MMC_SH_MMCIF) || defined(CONFIG_MMC_SH_MMCIF_MODULE) + /* enable MMCIF (needs DS2.6,7 set to OFF,ON) */ + gpio_request(GPIO_FN_MMC_D7, NULL); + gpio_request(GPIO_FN_MMC_D6, NULL); + gpio_request(GPIO_FN_MMC_D5, NULL); + gpio_request(GPIO_FN_MMC_D4, NULL); + gpio_request(GPIO_FN_MMC_D3, NULL); + gpio_request(GPIO_FN_MMC_D2, NULL); + gpio_request(GPIO_FN_MMC_D1, NULL); + gpio_request(GPIO_FN_MMC_D0, NULL); + gpio_request(GPIO_FN_MMC_CLK, NULL); + gpio_request(GPIO_FN_MMC_CMD, NULL); + gpio_request(GPIO_PTB7, NULL); + gpio_direction_output(GPIO_PTB7, 0); + + cn12_enabled = true; +#elif defined(CONFIG_MMC_SDHI) || defined(CONFIG_MMC_SDHI_MODULE) + /* enable SDHI1 on CN12 (needs DS2.6,7 set to ON,OFF) */ + gpio_request(GPIO_FN_SDHI1WP, NULL); + gpio_request(GPIO_FN_SDHI1CMD, NULL); + gpio_request(GPIO_FN_SDHI1CLK, NULL); + gpio_request(GPIO_FN_SDHI1D3, NULL); + gpio_request(GPIO_FN_SDHI1D2, NULL); + gpio_request(GPIO_FN_SDHI1D1, NULL); + gpio_request(GPIO_FN_SDHI1D0, NULL); + gpio_request(GPIO_PTB7, NULL); + gpio_direction_output(GPIO_PTB7, 0); + + /* Card-detect, used on CN12 with SDHI1 */ + gpio_request(GPIO_PTW7, NULL); + gpio_direction_input(GPIO_PTW7); + + cn12_enabled = true; +#endif + + if (cn12_enabled) + /* I/O buffer drive ability is high for CN12 */ + __raw_writew((__raw_readw(IODRIVEA) & ~0x3000) | 0x2000, + IODRIVEA); + /* enable Video */ gpio_request(GPIO_PTU2, NULL); gpio_direction_output(GPIO_PTU2, 1); @@ -1305,25 +1346,6 @@ static int __init arch_setup(void) gpio_request(GPIO_PTU5, NULL); gpio_direction_output(GPIO_PTU5, 0); -#if defined(CONFIG_MMC_SH_MMCIF) || defined(CONFIG_MMC_SH_MMCIF_MODULE) - /* enable MMCIF (needs DS2.6,7 set to OFF,ON) */ - gpio_request(GPIO_FN_MMC_D7, NULL); - gpio_request(GPIO_FN_MMC_D6, NULL); - gpio_request(GPIO_FN_MMC_D5, NULL); - gpio_request(GPIO_FN_MMC_D4, NULL); - gpio_request(GPIO_FN_MMC_D3, NULL); - gpio_request(GPIO_FN_MMC_D2, NULL); - gpio_request(GPIO_FN_MMC_D1, NULL); - gpio_request(GPIO_FN_MMC_D0, NULL); - gpio_request(GPIO_FN_MMC_CLK, NULL); - gpio_request(GPIO_FN_MMC_CMD, NULL); - gpio_request(GPIO_PTB7, NULL); - gpio_direction_output(GPIO_PTB7, 0); - - /* I/O buffer drive ability is high for MMCIF */ - __raw_writew((__raw_readw(IODRIVEA) & ~0x3000) | 0x2000 , IODRIVEA); -#endif - /* enable I2C device */ i2c_register_board_info(0, i2c0_devices, ARRAY_SIZE(i2c0_devices)); diff --git a/arch/sh/boards/mach-microdev/irq.c b/arch/sh/boards/mach-microdev/irq.c index 4fb0036..9a8aff3 100644 --- a/arch/sh/boards/mach-microdev/irq.c +++ b/arch/sh/boards/mach-microdev/irq.c @@ -12,7 +12,6 @@ #include <linux/init.h> #include <linux/irq.h> #include <linux/interrupt.h> -#include <asm/system.h> #include <asm/io.h> #include <mach/microdev.h> diff --git a/arch/sh/boot/Makefile b/arch/sh/boot/Makefile index e4ea31a..58592df 100644 --- a/arch/sh/boot/Makefile +++ b/arch/sh/boot/Makefile @@ -8,8 +8,6 @@ # Copyright (C) 1999 Stuart Menefy # -MKIMAGE := $(srctree)/scripts/mkuboot.sh - # # Assign safe dummy values if these variables are not defined, # in order to suppress error message. @@ -61,10 +59,8 @@ KERNEL_ENTRY := $(shell /bin/bash -c 'printf "0x%08x" \ $(KERNEL_MEMORY) + \ $(CONFIG_ZERO_PAGE_OFFSET) + $(CONFIG_ENTRY_OFFSET)]') -quiet_cmd_uimage = UIMAGE $@ - cmd_uimage = $(CONFIG_SHELL) $(MKIMAGE) -A sh -O linux -T kernel \ - -C $(2) -a $(KERNEL_LOAD) -e $(KERNEL_ENTRY) \ - -n 'Linux-$(KERNELRELEASE)' -d $< $@ +UIMAGE_LOADADDR = $(KERNEL_LOAD) +UIMAGE_ENTRYADDR = $(KERNEL_ENTRY) $(obj)/vmlinux.bin: vmlinux FORCE $(call if_changed,objcopy) diff --git a/arch/sh/drivers/dma/dma-g2.c b/arch/sh/drivers/dma/dma-g2.c index be9ca7c..e1ab6eb 100644 --- a/arch/sh/drivers/dma/dma-g2.c +++ b/arch/sh/drivers/dma/dma-g2.c @@ -181,14 +181,14 @@ static int __init g2_dma_init(void) ret = register_dmac(&g2_dma_info); if (unlikely(ret != 0)) - free_irq(HW_EVENT_G2_DMA, 0); + free_irq(HW_EVENT_G2_DMA, &g2_dma_info); return ret; } static void __exit g2_dma_exit(void) { - free_irq(HW_EVENT_G2_DMA, 0); + free_irq(HW_EVENT_G2_DMA, &g2_dma_info); unregister_dmac(&g2_dma_info); } diff --git a/arch/sh/drivers/dma/dmabrg.c b/arch/sh/drivers/dma/dmabrg.c index 3d66a32..c0dd904 100644 --- a/arch/sh/drivers/dma/dmabrg.c +++ b/arch/sh/drivers/dma/dmabrg.c @@ -189,8 +189,8 @@ static int __init dmabrg_init(void) if (ret == 0) return ret; - free_irq(DMABRGI1, 0); -out1: free_irq(DMABRGI0, 0); + free_irq(DMABRGI1, NULL); +out1: free_irq(DMABRGI0, NULL); out0: kfree(dmabrg_handlers); return ret; } diff --git a/arch/sh/drivers/pci/pci-sh7780.c b/arch/sh/drivers/pci/pci-sh7780.c index fb8f1499..5a6dab6 100644 --- a/arch/sh/drivers/pci/pci-sh7780.c +++ b/arch/sh/drivers/pci/pci-sh7780.c @@ -21,6 +21,13 @@ #include <asm/mmu.h> #include <asm/sizes.h> +#if defined(CONFIG_CPU_BIG_ENDIAN) +# define PCICR_ENDIANNESS SH4_PCICR_BSWP +#else +# define PCICR_ENDIANNESS 0 +#endif + + static struct resource sh7785_pci_resources[] = { { .name = "PCI IO", @@ -254,7 +261,7 @@ static int __init sh7780_pci_init(void) __raw_writel(PCIECR_ENBL, PCIECR); /* Reset */ - __raw_writel(SH4_PCICR_PREFIX | SH4_PCICR_PRST, + __raw_writel(SH4_PCICR_PREFIX | SH4_PCICR_PRST | PCICR_ENDIANNESS, chan->reg_base + SH4_PCICR); /* @@ -290,7 +297,8 @@ static int __init sh7780_pci_init(void) * Now throw it in to register initialization mode and * start the real work. */ - __raw_writel(SH4_PCICR_PREFIX, chan->reg_base + SH4_PCICR); + __raw_writel(SH4_PCICR_PREFIX | PCICR_ENDIANNESS, + chan->reg_base + SH4_PCICR); memphys = __pa(memory_start); memsize = roundup_pow_of_two(memory_end - memory_start); @@ -380,7 +388,8 @@ static int __init sh7780_pci_init(void) * Initialization mode complete, release the control register and * enable round robin mode to stop device overruns/starvation. */ - __raw_writel(SH4_PCICR_PREFIX | SH4_PCICR_CFIN | SH4_PCICR_FTO, + __raw_writel(SH4_PCICR_PREFIX | SH4_PCICR_CFIN | SH4_PCICR_FTO | + PCICR_ENDIANNESS, chan->reg_base + SH4_PCICR); ret = register_pci_controller(chan); diff --git a/arch/sh/include/asm/atomic-irq.h b/arch/sh/include/asm/atomic-irq.h index 467d941..9f7c566 100644 --- a/arch/sh/include/asm/atomic-irq.h +++ b/arch/sh/include/asm/atomic-irq.h @@ -1,6 +1,8 @@ #ifndef __ASM_SH_ATOMIC_IRQ_H #define __ASM_SH_ATOMIC_IRQ_H +#include <linux/irqflags.h> + /* * To get proper branch prediction for the main line, we must branch * forward to code at the end of this object's .text section, then diff --git a/arch/sh/include/asm/atomic.h b/arch/sh/include/asm/atomic.h index 63a27db..37f2f4a 100644 --- a/arch/sh/include/asm/atomic.h +++ b/arch/sh/include/asm/atomic.h @@ -9,7 +9,7 @@ #include <linux/compiler.h> #include <linux/types.h> -#include <asm/system.h> +#include <asm/cmpxchg.h> #define ATOMIC_INIT(i) ( (atomic_t) { (i) } ) diff --git a/arch/sh/include/asm/auxvec.h b/arch/sh/include/asm/auxvec.h index 483effd..8bcc51a 100644 --- a/arch/sh/include/asm/auxvec.h +++ b/arch/sh/include/asm/auxvec.h @@ -33,4 +33,6 @@ #define AT_L1D_CACHESHAPE 35 #define AT_L2_CACHESHAPE 36 +#define AT_VECTOR_SIZE_ARCH 5 /* entries in ARCH_DLINFO */ + #endif /* __ASM_SH_AUXVEC_H */ diff --git a/arch/sh/include/asm/barrier.h b/arch/sh/include/asm/barrier.h new file mode 100644 index 0000000..72c103d --- /dev/null +++ b/arch/sh/include/asm/barrier.h @@ -0,0 +1,54 @@ +/* + * Copyright (C) 1999, 2000 Niibe Yutaka & Kaz Kojima + * Copyright (C) 2002 Paul Mundt + */ +#ifndef __ASM_SH_BARRIER_H +#define __ASM_SH_BARRIER_H + +#if defined(CONFIG_CPU_SH4A) || defined(CONFIG_CPU_SH5) +#include <asm/cache_insns.h> +#endif + +/* + * A brief note on ctrl_barrier(), the control register write barrier. + * + * Legacy SH cores typically require a sequence of 8 nops after + * modification of a control register in order for the changes to take + * effect. On newer cores (like the sh4a and sh5) this is accomplished + * with icbi. + * + * Also note that on sh4a in the icbi case we can forego a synco for the + * write barrier, as it's not necessary for control registers. + * + * Historically we have only done this type of barrier for the MMUCR, but + * it's also necessary for the CCR, so we make it generic here instead. + */ +#if defined(CONFIG_CPU_SH4A) || defined(CONFIG_CPU_SH5) +#define mb() __asm__ __volatile__ ("synco": : :"memory") +#define rmb() mb() +#define wmb() __asm__ __volatile__ ("synco": : :"memory") +#define ctrl_barrier() __icbi(PAGE_OFFSET) +#define read_barrier_depends() do { } while(0) +#else +#define mb() __asm__ __volatile__ ("": : :"memory") +#define rmb() mb() +#define wmb() __asm__ __volatile__ ("": : :"memory") +#define ctrl_barrier() __asm__ __volatile__ ("nop;nop;nop;nop;nop;nop;nop;nop") +#define read_barrier_depends() do { } while(0) +#endif + +#ifdef CONFIG_SMP +#define smp_mb() mb() +#define smp_rmb() rmb() +#define smp_wmb() wmb() +#define smp_read_barrier_depends() read_barrier_depends() +#else +#define smp_mb() barrier() +#define smp_rmb() barrier() +#define smp_wmb() barrier() +#define smp_read_barrier_depends() do { } while(0) +#endif + +#define set_mb(var, value) do { (void)xchg(&var, value); } while (0) + +#endif /* __ASM_SH_BARRIER_H */ diff --git a/arch/sh/include/asm/bitops.h b/arch/sh/include/asm/bitops.h index 90fa3e4..ea8706d 100644 --- a/arch/sh/include/asm/bitops.h +++ b/arch/sh/include/asm/bitops.h @@ -7,7 +7,6 @@ #error only <linux/bitops.h> can be included directly #endif -#include <asm/system.h> /* For __swab32 */ #include <asm/byteorder.h> diff --git a/arch/sh/include/asm/bl_bit.h b/arch/sh/include/asm/bl_bit.h new file mode 100644 index 0000000..45e6b9f --- /dev/null +++ b/arch/sh/include/asm/bl_bit.h @@ -0,0 +1,10 @@ +#ifndef __ASM_SH_BL_BIT_H +#define __ASM_SH_BL_BIT_H + +#ifdef CONFIG_SUPERH32 +# include "bl_bit_32.h" +#else +# include "bl_bit_64.h" +#endif + +#endif /* __ASM_SH_BL_BIT_H */ diff --git a/arch/sh/include/asm/bl_bit_32.h b/arch/sh/include/asm/bl_bit_32.h new file mode 100644 index 0000000..fd21eee --- /dev/null +++ b/arch/sh/include/asm/bl_bit_32.h @@ -0,0 +1,33 @@ +#ifndef __ASM_SH_BL_BIT_32_H +#define __ASM_SH_BL_BIT_32_H + +static inline void set_bl_bit(void) +{ + unsigned long __dummy0, __dummy1; + + __asm__ __volatile__ ( + "stc sr, %0\n\t" + "or %2, %0\n\t" + "and %3, %0\n\t" + "ldc %0, sr\n\t" + : "=&r" (__dummy0), "=r" (__dummy1) + : "r" (0x10000000), "r" (0xffffff0f) + : "memory" + ); +} + +static inline void clear_bl_bit(void) +{ + unsigned long __dummy0, __dummy1; + + __asm__ __volatile__ ( + "stc sr, %0\n\t" + "and %2, %0\n\t" + "ldc %0, sr\n\t" + : "=&r" (__dummy0), "=r" (__dummy1) + : "1" (~0x10000000) + : "memory" + ); +} + +#endif /* __ASM_SH_BL_BIT_32_H */ diff --git a/arch/sh/include/asm/bl_bit_64.h b/arch/sh/include/asm/bl_bit_64.h new file mode 100644 index 0000000..6cc8711 --- /dev/null +++ b/arch/sh/include/asm/bl_bit_64.h @@ -0,0 +1,40 @@ +/* + * Copyright (C) 2000, 2001 Paolo Alberelli + * Copyright (C) 2003 Paul Mundt + * Copyright (C) 2004 Richard Curnow + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ +#ifndef __ASM_SH_BL_BIT_64_H +#define __ASM_SH_BL_BIT_64_H + +#include <asm/processor.h> + +#define SR_BL_LL 0x0000000010000000LL + +static inline void set_bl_bit(void) +{ + unsigned long long __dummy0, __dummy1 = SR_BL_LL; + + __asm__ __volatile__("getcon " __SR ", %0\n\t" + "or %0, %1, %0\n\t" + "putcon %0, " __SR "\n\t" + : "=&r" (__dummy0) + : "r" (__dummy1)); + +} + +static inline void clear_bl_bit(void) +{ + unsigned long long __dummy0, __dummy1 = ~SR_BL_LL; + + __asm__ __volatile__("getcon " __SR ", %0\n\t" + "and %0, %1, %0\n\t" + "putcon %0, " __SR "\n\t" + : "=&r" (__dummy0) + : "r" (__dummy1)); +} + +#endif /* __ASM_SH_BL_BIT_64_H */ diff --git a/arch/sh/include/asm/bug.h b/arch/sh/include/asm/bug.h index 6323f86..2b87d86 100644 --- a/arch/sh/include/asm/bug.h +++ b/arch/sh/include/asm/bug.h @@ -1,6 +1,8 @@ #ifndef __ASM_SH_BUG_H #define __ASM_SH_BUG_H +#include <linux/linkage.h> + #define TRAPA_BUG_OPCODE 0xc33e /* trapa #0x3e */ #define BUGFLAG_UNWINDER (1 << 1) @@ -107,4 +109,7 @@ do { \ #include <asm-generic/bug.h> +struct pt_regs; +extern void die(const char *str, struct pt_regs *regs, long err) __attribute__ ((noreturn)); + #endif /* __ASM_SH_BUG_H */ diff --git a/arch/sh/include/asm/cache_insns.h b/arch/sh/include/asm/cache_insns.h new file mode 100644 index 0000000..d25fbe5 --- /dev/null +++ b/arch/sh/include/asm/cache_insns.h @@ -0,0 +1,11 @@ +#ifndef __ASM_SH_CACHE_INSNS_H +#define __ASM_SH_CACHE_INSNS_H + + +#ifdef CONFIG_SUPERH32 +# include "cache_insns_32.h" +#else +# include "cache_insns_64.h" +#endif + +#endif /* __ASM_SH_CACHE_INSNS_H */ diff --git a/arch/sh/include/asm/cache_insns_32.h b/arch/sh/include/asm/cache_insns_32.h new file mode 100644 index 0000000..b92fe54 --- /dev/null +++ b/arch/sh/include/asm/cache_insns_32.h @@ -0,0 +1,21 @@ +#ifndef __ASM_SH_CACHE_INSNS_32_H +#define __ASM_SH_CACHE_INSNS_32_H + +#include <linux/types.h> + +#if defined(CONFIG_CPU_SH4A) +#define __icbi(addr) __asm__ __volatile__ ( "icbi @%0\n\t" : : "r" (addr)) +#else +#define __icbi(addr) mb() +#endif + +#define __ocbp(addr) __asm__ __volatile__ ( "ocbp @%0\n\t" : : "r" (addr)) +#define __ocbi(addr) __asm__ __volatile__ ( "ocbi @%0\n\t" : : "r" (addr)) +#define __ocbwb(addr) __asm__ __volatile__ ( "ocbwb @%0\n\t" : : "r" (addr)) + +static inline reg_size_t register_align(void *val) +{ + return (unsigned long)(signed long)val; +} + +#endif /* __ASM_SH_CACHE_INSNS_32_H */ diff --git a/arch/sh/include/asm/cache_insns_64.h b/arch/sh/include/asm/cache_insns_64.h new file mode 100644 index 0000000..70b6357 --- /dev/null +++ b/arch/sh/include/asm/cache_insns_64.h @@ -0,0 +1,23 @@ +/* + * Copyright (C) 2000, 2001 Paolo Alberelli + * Copyright (C) 2003 Paul Mundt + * Copyright (C) 2004 Richard Curnow + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ +#ifndef __ASM_SH_CACHE_INSNS_64_H +#define __ASM_SH_CACHE_INSNS_64_H + +#define __icbi(addr) __asm__ __volatile__ ( "icbi %0, 0\n\t" : : "r" (addr)) +#define __ocbp(addr) __asm__ __volatile__ ( "ocbp %0, 0\n\t" : : "r" (addr)) +#define __ocbi(addr) __asm__ __volatile__ ( "ocbi %0, 0\n\t" : : "r" (addr)) +#define __ocbwb(addr) __asm__ __volatile__ ( "ocbwb %0, 0\n\t" : : "r" (addr)) + +static inline reg_size_t register_align(void *val) +{ + return (unsigned long long)(signed long long)(signed long)val; +} + +#endif /* __ASM_SH_CACHE_INSNS_64_H */ diff --git a/arch/sh/include/asm/cmpxchg-irq.h b/arch/sh/include/asm/cmpxchg-irq.h index 43049ec..bd11f63 100644 --- a/arch/sh/include/asm/cmpxchg-irq.h +++ b/arch/sh/include/asm/cmpxchg-irq.h @@ -1,6 +1,8 @@ #ifndef __ASM_SH_CMPXCHG_IRQ_H #define __ASM_SH_CMPXCHG_IRQ_H +#include <linux/irqflags.h> + static inline unsigned long xchg_u32(volatile u32 *m, unsigned long val) { unsigned long flags, retval; diff --git a/arch/sh/include/asm/cmpxchg.h b/arch/sh/include/asm/cmpxchg.h new file mode 100644 index 0000000..f6bd140 --- /dev/null +++ b/arch/sh/include/asm/cmpxchg.h @@ -0,0 +1,70 @@ +#ifndef __ASM_SH_CMPXCHG_H +#define __ASM_SH_CMPXCHG_H + +/* + * Atomic operations that C can't guarantee us. Useful for + * resource counting etc.. + */ + +#include <linux/compiler.h> +#include <linux/types.h> + +#if defined(CONFIG_GUSA_RB) +#include <asm/cmpxchg-grb.h> +#elif defined(CONFIG_CPU_SH4A) +#include <asm/cmpxchg-llsc.h> +#else +#include <asm/cmpxchg-irq.h> +#endif + +extern void __xchg_called_with_bad_pointer(void); + +#define __xchg(ptr, x, size) \ +({ \ + unsigned long __xchg__res; \ + volatile void *__xchg_ptr = (ptr); \ + switch (size) { \ + case 4: \ + __xchg__res = xchg_u32(__xchg_ptr, x); \ + break; \ + case 1: \ + __xchg__res = xchg_u8(__xchg_ptr, x); \ + break; \ + default: \ + __xchg_called_with_bad_pointer(); \ + __xchg__res = x; \ + break; \ + } \ + \ + __xchg__res; \ +}) + +#define xchg(ptr,x) \ + ((__typeof__(*(ptr)))__xchg((ptr),(unsigned long)(x), sizeof(*(ptr)))) + +/* This function doesn't exist, so you'll get a linker error + * if something tries to do an invalid cmpxchg(). */ +extern void __cmpxchg_called_with_bad_pointer(void); + +#define __HAVE_ARCH_CMPXCHG 1 + +static inline unsigned long __cmpxchg(volatile void * ptr, unsigned long old, + unsigned long new, int size) +{ + switch (size) { + case 4: + return __cmpxchg_u32(ptr, old, new); + } + __cmpxchg_called_with_bad_pointer(); + return old; +} + +#define cmpxchg(ptr,o,n) \ + ({ \ + __typeof__(*(ptr)) _o_ = (o); \ + __typeof__(*(ptr)) _n_ = (n); \ + (__typeof__(*(ptr))) __cmpxchg((ptr), (unsigned long)_o_, \ + (unsigned long)_n_, sizeof(*(ptr))); \ + }) + +#endif /* __ASM_SH_CMPXCHG_H */ diff --git a/arch/sh/include/asm/dma-mapping.h b/arch/sh/include/asm/dma-mapping.h index 1a73c3e..8bd965e 100644 --- a/arch/sh/include/asm/dma-mapping.h +++ b/arch/sh/include/asm/dma-mapping.h @@ -52,25 +52,31 @@ static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr) return dma_addr == 0; } -static inline void *dma_alloc_coherent(struct device *dev, size_t size, - dma_addr_t *dma_handle, gfp_t gfp) +#define dma_alloc_coherent(d,s,h,f) dma_alloc_attrs(d,s,h,f,NULL) + +static inline void *dma_alloc_attrs(struct device *dev, size_t size, + dma_addr_t *dma_handle, gfp_t gfp, + struct dma_attrs *attrs) { struct dma_map_ops *ops = get_dma_ops(dev); void *memory; if (dma_alloc_from_coherent(dev, size, dma_handle, &memory)) return memory; - if (!ops->alloc_coherent) + if (!ops->alloc) return NULL; - memory = ops->alloc_coherent(dev, size, dma_handle, gfp); + memory = ops->alloc(dev, size, dma_handle, gfp, attrs); debug_dma_alloc_coherent(dev, size, *dma_handle, memory); return memory; } -static inline void dma_free_coherent(struct device *dev, size_t size, - void *vaddr, dma_addr_t dma_handle) +#define dma_free_coherent(d,s,c,h) dma_free_attrs(d,s,c,h,NULL) + +static inline void dma_free_attrs(struct device *dev, size_t size, + void *vaddr, dma_addr_t dma_handle, + struct dma_attrs *attrs) { struct dma_map_ops *ops = get_dma_ops(dev); @@ -78,14 +84,16 @@ static inline void dma_free_coherent(struct device *dev, size_t size, return; debug_dma_free_coherent(dev, size, vaddr, dma_handle); - if (ops->free_coherent) - ops->free_coherent(dev, size, vaddr, dma_handle); + if (ops->free) + ops->free(dev, size, vaddr, dma_handle, attrs); } /* arch/sh/mm/consistent.c */ extern void *dma_generic_alloc_coherent(struct device *dev, size_t size, - dma_addr_t *dma_addr, gfp_t flag); + dma_addr_t *dma_addr, gfp_t flag, + struct dma_attrs *attrs); extern void dma_generic_free_coherent(struct device *dev, size_t size, - void *vaddr, dma_addr_t dma_handle); + void *vaddr, dma_addr_t dma_handle, + struct dma_attrs *attrs); #endif /* __ASM_SH_DMA_MAPPING_H */ diff --git a/arch/sh/include/asm/exec.h b/arch/sh/include/asm/exec.h new file mode 100644 index 0000000..69486a9 --- /dev/null +++ b/arch/sh/include/asm/exec.h @@ -0,0 +1,10 @@ +/* + * Copyright (C) 1999, 2000 Niibe Yutaka & Kaz Kojima + * Copyright (C) 2002 Paul Mundt + */ +#ifndef __ASM_SH_EXEC_H +#define __ASM_SH_EXEC_H + +#define arch_align_stack(x) (x) + +#endif /* __ASM_SH_EXEC_H */ diff --git a/arch/sh/include/asm/futex-irq.h b/arch/sh/include/asm/futex-irq.h index 6cb9f19..63d3312 100644 --- a/arch/sh/include/asm/futex-irq.h +++ b/arch/sh/include/asm/futex-irq.h @@ -1,7 +1,6 @@ #ifndef __ASM_SH_FUTEX_IRQ_H #define __ASM_SH_FUTEX_IRQ_H -#include <asm/system.h> static inline int atomic_futex_op_xchg_set(int oparg, u32 __user *uaddr, int *oldval) diff --git a/arch/sh/include/asm/io.h b/arch/sh/include/asm/io.h index 28c5aa5..ec464a6 100644 --- a/arch/sh/include/asm/io.h +++ b/arch/sh/include/asm/io.h @@ -14,7 +14,6 @@ */ #include <linux/errno.h> #include <asm/cache.h> -#include <asm/system.h> #include <asm/addrspace.h> #include <asm/machvec.h> #include <asm/pgtable.h> @@ -24,6 +23,7 @@ #define __IO_PREFIX generic #include <asm/io_generic.h> #include <asm/io_trapped.h> +#include <mach/mangle-port.h> #define __raw_writeb(v,a) (__chk_io_ptr(a), *(volatile u8 __force *)(a) = (v)) #define __raw_writew(v,a) (__chk_io_ptr(a), *(volatile u16 __force *)(a) = (v)) @@ -35,21 +35,15 @@ #define __raw_readl(a) (__chk_io_ptr(a), *(volatile u32 __force *)(a)) #define __raw_readq(a) (__chk_io_ptr(a), *(volatile u64 __force *)(a)) -#define readb_relaxed(c) ({ u8 __v = __raw_readb(c); __v; }) -#define readw_relaxed(c) ({ u16 __v = le16_to_cpu((__force __le16) \ - __raw_readw(c)); __v; }) -#define readl_relaxed(c) ({ u32 __v = le32_to_cpu((__force __le32) \ - __raw_readl(c)); __v; }) -#define readq_relaxed(c) ({ u64 __v = le64_to_cpu((__force __le64) \ - __raw_readq(c)); __v; }) - -#define writeb_relaxed(v,c) ((void)__raw_writeb(v,c)) -#define writew_relaxed(v,c) ((void)__raw_writew((__force u16) \ - cpu_to_le16(v),c)) -#define writel_relaxed(v,c) ((void)__raw_writel((__force u32) \ - cpu_to_le32(v),c)) -#define writeq_relaxed(v,c) ((void)__raw_writeq((__force u64) \ - cpu_to_le64(v),c)) +#define readb_relaxed(c) ({ u8 __v = ioswabb(__raw_readb(c)); __v; }) +#define readw_relaxed(c) ({ u16 __v = ioswabw(__raw_readw(c)); __v; }) +#define readl_relaxed(c) ({ u32 __v = ioswabl(__raw_readl(c)); __v; }) +#define readq_relaxed(c) ({ u64 __v = ioswabq(__raw_readq(c)); __v; }) + +#define writeb_relaxed(v,c) ((void)__raw_writeb((__force u8)ioswabb(v),c)) +#define writew_relaxed(v,c) ((void)__raw_writew((__force u16)ioswabw(v),c)) +#define writel_relaxed(v,c) ((void)__raw_writel((__force u32)ioswabl(v),c)) +#define writeq_relaxed(v,c) ((void)__raw_writeq((__force u64)ioswabq(v),c)) #define readb(a) ({ u8 r_ = readb_relaxed(a); rmb(); r_; }) #define readw(a) ({ u16 r_ = readw_relaxed(a); rmb(); r_; }) diff --git a/arch/sh/include/asm/irq.h b/arch/sh/include/asm/irq.h index 45d08b6..2a62017 100644 --- a/arch/sh/include/asm/irq.h +++ b/arch/sh/include/asm/irq.h @@ -21,17 +21,6 @@ #define NO_IRQ_IGNORE ((unsigned int)-1) /* - * Convert back and forth between INTEVT and IRQ values. - */ -#ifdef CONFIG_CPU_HAS_INTEVT -#define evt2irq(evt) (((evt) >> 5) - 16) -#define irq2evt(irq) (((irq) + 16) << 5) -#else -#define evt2irq(evt) (evt) -#define irq2evt(irq) (irq) -#endif - -/* * Simple Mask Register Support */ extern void make_maskreg_irq(unsigned int irq); diff --git a/arch/sh/include/asm/posix_types_32.h b/arch/sh/include/asm/posix_types_32.h index 6a9ceaa..abda584 100644 --- a/arch/sh/include/asm/posix_types_32.h +++ b/arch/sh/include/asm/posix_types_32.h @@ -12,11 +12,6 @@ typedef unsigned short __kernel_uid_t; typedef unsigned short __kernel_gid_t; #define __kernel_gid_t __kernel_gid_t -typedef unsigned int __kernel_uid32_t; -#define __kernel_uid32_t __kernel_uid32_t -typedef unsigned int __kernel_gid32_t; -#define __kernel_gid32_t __kernel_gid32_t - typedef unsigned short __kernel_old_uid_t; #define __kernel_old_uid_t __kernel_old_uid_t typedef unsigned short __kernel_old_gid_t; diff --git a/arch/sh/include/asm/posix_types_64.h b/arch/sh/include/asm/posix_types_64.h index 8cd1148..fcda07b 100644 --- a/arch/sh/include/asm/posix_types_64.h +++ b/arch/sh/include/asm/posix_types_64.h @@ -17,10 +17,6 @@ typedef int __kernel_ssize_t; #define __kernel_ssize_t __kernel_ssize_t typedef int __kernel_ptrdiff_t; #define __kernel_ptrdiff_t __kernel_ptrdiff_t -typedef unsigned int __kernel_uid32_t; -#define __kernel_uid32_t __kernel_uid32_t -typedef unsigned int __kernel_gid32_t; -#define __kernel_gid32_t __kernel_gid32_t typedef unsigned short __kernel_old_uid_t; #define __kernel_old_uid_t __kernel_old_uid_t diff --git a/arch/sh/include/asm/processor.h b/arch/sh/include/asm/processor.h index 9c7bdfc..a229c39 100644 --- a/arch/sh/include/asm/processor.h +++ b/arch/sh/include/asm/processor.h @@ -101,6 +101,10 @@ extern struct sh_cpuinfo cpu_data[]; #define cpu_sleep() __asm__ __volatile__ ("sleep" : : : "memory") #define cpu_relax() barrier() +void default_idle(void); +void cpu_idle_wait(void); +void stop_this_cpu(void *); + /* Forward decl */ struct seq_operations; struct task_struct; @@ -161,6 +165,17 @@ int vsyscall_init(void); #define vsyscall_init() do { } while (0) #endif +/* + * SH-2A has both 16 and 32-bit opcodes, do lame encoding checks. + */ +#ifdef CONFIG_CPU_SH2A +extern unsigned int instruction_size(unsigned int insn); +#elif defined(CONFIG_SUPERH32) +#define instruction_size(insn) (2) +#else +#define instruction_size(insn) (4) +#endif + #endif /* __ASSEMBLY__ */ #ifdef CONFIG_SUPERH32 diff --git a/arch/sh/include/asm/ptrace.h b/arch/sh/include/asm/ptrace.h index 2d3679b..c7b7e1e 100644 --- a/arch/sh/include/asm/ptrace.h +++ b/arch/sh/include/asm/ptrace.h @@ -37,7 +37,6 @@ #include <linux/thread_info.h> #include <asm/addrspace.h> #include <asm/page.h> -#include <asm/system.h> #define user_mode(regs) (((regs)->sr & 0x40000000)==0) #define kernel_stack_pointer(_regs) ((unsigned long)(_regs)->regs[15]) diff --git a/arch/sh/include/asm/setup.h b/arch/sh/include/asm/setup.h index 01fa17a..465a22d 100644 --- a/arch/sh/include/asm/setup.h +++ b/arch/sh/include/asm/setup.h @@ -20,6 +20,7 @@ void sh_mv_setup(void); void check_for_initrd(void); +void per_cpu_trap_init(void); #endif /* __KERNEL__ */ diff --git a/arch/sh/include/asm/switch_to.h b/arch/sh/include/asm/switch_to.h new file mode 100644 index 0000000..62b1941 --- /dev/null +++ b/arch/sh/include/asm/switch_to.h @@ -0,0 +1,19 @@ +/* + * Copyright (C) 2000, 2001 Paolo Alberelli + * Copyright (C) 2003 Paul Mundt + * Copyright (C) 2004 Richard Curnow + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ +#ifndef __ASM_SH_SWITCH_TO_H +#define __ASM_SH_SWITCH_TO_H + +#ifdef CONFIG_SUPERH32 +# include "switch_to_32.h" +#else +# include "switch_to_64.h" +#endif + +#endif /* __ASM_SH_SWITCH_TO_H */ diff --git a/arch/sh/include/asm/system_32.h b/arch/sh/include/asm/switch_to_32.h index a4ad1cd..0c06551 100644 --- a/arch/sh/include/asm/system_32.h +++ b/arch/sh/include/asm/switch_to_32.h @@ -1,8 +1,5 @@ -#ifndef __ASM_SH_SYSTEM_32_H -#define __ASM_SH_SYSTEM_32_H - -#include <linux/types.h> -#include <asm/mmu.h> +#ifndef __ASM_SH_SWITCH_TO_32_H +#define __ASM_SH_SWITCH_TO_32_H #ifdef CONFIG_SH_DSP @@ -32,7 +29,6 @@ do { \ : : "r" (__ts2)); \ } while (0) - #define __save_dsp(tsk) \ do { \ register u32 *__ts2 __asm__ ("r2") = \ @@ -64,16 +60,6 @@ do { \ #define __restore_dsp(tsk) do { } while (0) #endif -#if defined(CONFIG_CPU_SH4A) -#define __icbi(addr) __asm__ __volatile__ ( "icbi @%0\n\t" : : "r" (addr)) -#else -#define __icbi(addr) mb() -#endif - -#define __ocbp(addr) __asm__ __volatile__ ( "ocbp @%0\n\t" : : "r" (addr)) -#define __ocbi(addr) __asm__ __volatile__ ( "ocbi @%0\n\t" : : "r" (addr)) -#define __ocbwb(addr) __asm__ __volatile__ ( "ocbwb @%0\n\t" : : "r" (addr)) - struct task_struct *__switch_to(struct task_struct *prev, struct task_struct *next); @@ -145,92 +131,4 @@ do { \ __restore_dsp(prev); \ } while (0) -#ifdef CONFIG_CPU_HAS_SR_RB -#define lookup_exception_vector() \ -({ \ - unsigned long _vec; \ - \ - __asm__ __volatile__ ( \ - "stc r2_bank, %0\n\t" \ - : "=r" (_vec) \ - ); \ - \ - _vec; \ -}) -#else -#define lookup_exception_vector() \ -({ \ - unsigned long _vec; \ - __asm__ __volatile__ ( \ - "mov r4, %0\n\t" \ - : "=r" (_vec) \ - ); \ - \ - _vec; \ -}) -#endif - -static inline reg_size_t register_align(void *val) -{ - return (unsigned long)(signed long)val; -} - -int handle_unaligned_access(insn_size_t instruction, struct pt_regs *regs, - struct mem_access *ma, int, unsigned long address); - -static inline void trigger_address_error(void) -{ - __asm__ __volatile__ ( - "ldc %0, sr\n\t" - "mov.l @%1, %0" - : - : "r" (0x10000000), "r" (0x80000001) - ); -} - -asmlinkage void do_address_error(struct pt_regs *regs, - unsigned long writeaccess, - unsigned long address); -asmlinkage void do_divide_error(unsigned long r4, unsigned long r5, - unsigned long r6, unsigned long r7, - struct pt_regs __regs); -asmlinkage void do_reserved_inst(unsigned long r4, unsigned long r5, - unsigned long r6, unsigned long r7, - struct pt_regs __regs); -asmlinkage void do_illegal_slot_inst(unsigned long r4, unsigned long r5, - unsigned long r6, unsigned long r7, - struct pt_regs __regs); -asmlinkage void do_exception_error(unsigned long r4, unsigned long r5, - unsigned long r6, unsigned long r7, - struct pt_regs __regs); - -static inline void set_bl_bit(void) -{ - unsigned long __dummy0, __dummy1; - - __asm__ __volatile__ ( - "stc sr, %0\n\t" - "or %2, %0\n\t" - "and %3, %0\n\t" - "ldc %0, sr\n\t" - : "=&r" (__dummy0), "=r" (__dummy1) - : "r" (0x10000000), "r" (0xffffff0f) - : "memory" - ); -} - -static inline void clear_bl_bit(void) -{ - unsigned long __dummy0, __dummy1; - - __asm__ __volatile__ ( - "stc sr, %0\n\t" - "and %2, %0\n\t" - "ldc %0, sr\n\t" - : "=&r" (__dummy0), "=r" (__dummy1) - : "1" (~0x10000000) - : "memory" - ); -} - -#endif /* __ASM_SH_SYSTEM_32_H */ +#endif /* __ASM_SH_SWITCH_TO_32_H */ diff --git a/arch/sh/include/asm/switch_to_64.h b/arch/sh/include/asm/switch_to_64.h new file mode 100644 index 0000000..ba3129d --- /dev/null +++ b/arch/sh/include/asm/switch_to_64.h @@ -0,0 +1,35 @@ +/* + * Copyright (C) 2000, 2001 Paolo Alberelli + * Copyright (C) 2003 Paul Mundt + * Copyright (C) 2004 Richard Curnow + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ +#ifndef __ASM_SH_SWITCH_TO_64_H +#define __ASM_SH_SWITCH_TO_64_H + +struct thread_struct; +struct task_struct; + +/* + * switch_to() should switch tasks to task nr n, first + */ +struct task_struct *sh64_switch_to(struct task_struct *prev, + struct thread_struct *prev_thread, + struct task_struct *next, + struct thread_struct *next_thread); + +#define switch_to(prev,next,last) \ +do { \ + if (last_task_used_math != next) { \ + struct pt_regs *regs = next->thread.uregs; \ + if (regs) regs->sr |= SR_FD; \ + } \ + last = sh64_switch_to(prev, &prev->thread, next, \ + &next->thread); \ +} while (0) + + +#endif /* __ASM_SH_SWITCH_TO_64_H */ diff --git a/arch/sh/include/asm/system.h b/arch/sh/include/asm/system.h deleted file mode 100644 index 10c8b18..0000000 --- a/arch/sh/include/asm/system.h +++ /dev/null @@ -1,184 +0,0 @@ -#ifndef __ASM_SH_SYSTEM_H -#define __ASM_SH_SYSTEM_H - -/* - * Copyright (C) 1999, 2000 Niibe Yutaka & Kaz Kojima - * Copyright (C) 2002 Paul Mundt - */ - -#include <linux/irqflags.h> -#include <linux/compiler.h> -#include <linux/linkage.h> -#include <asm/types.h> -#include <asm/uncached.h> - -#define AT_VECTOR_SIZE_ARCH 5 /* entries in ARCH_DLINFO */ - -/* - * A brief note on ctrl_barrier(), the control register write barrier. - * - * Legacy SH cores typically require a sequence of 8 nops after - * modification of a control register in order for the changes to take - * effect. On newer cores (like the sh4a and sh5) this is accomplished - * with icbi. - * - * Also note that on sh4a in the icbi case we can forego a synco for the - * write barrier, as it's not necessary for control registers. - * - * Historically we have only done this type of barrier for the MMUCR, but - * it's also necessary for the CCR, so we make it generic here instead. - */ -#if defined(CONFIG_CPU_SH4A) || defined(CONFIG_CPU_SH5) -#define mb() __asm__ __volatile__ ("synco": : :"memory") -#define rmb() mb() -#define wmb() __asm__ __volatile__ ("synco": : :"memory") -#define ctrl_barrier() __icbi(PAGE_OFFSET) -#define read_barrier_depends() do { } while(0) -#else -#define mb() __asm__ __volatile__ ("": : :"memory") -#define rmb() mb() -#define wmb() __asm__ __volatile__ ("": : :"memory") -#define ctrl_barrier() __asm__ __volatile__ ("nop;nop;nop;nop;nop;nop;nop;nop") -#define read_barrier_depends() do { } while(0) -#endif - -#ifdef CONFIG_SMP -#define smp_mb() mb() -#define smp_rmb() rmb() -#define smp_wmb() wmb() -#define smp_read_barrier_depends() read_barrier_depends() -#else -#define smp_mb() barrier() -#define smp_rmb() barrier() -#define smp_wmb() barrier() -#define smp_read_barrier_depends() do { } while(0) -#endif - -#define set_mb(var, value) do { (void)xchg(&var, value); } while (0) - -#ifdef CONFIG_GUSA_RB -#include <asm/cmpxchg-grb.h> -#elif defined(CONFIG_CPU_SH4A) -#include <asm/cmpxchg-llsc.h> -#else -#include <asm/cmpxchg-irq.h> -#endif - -extern void __xchg_called_with_bad_pointer(void); - -#define __xchg(ptr, x, size) \ -({ \ - unsigned long __xchg__res; \ - volatile void *__xchg_ptr = (ptr); \ - switch (size) { \ - case 4: \ - __xchg__res = xchg_u32(__xchg_ptr, x); \ - break; \ - case 1: \ - __xchg__res = xchg_u8(__xchg_ptr, x); \ - break; \ - default: \ - __xchg_called_with_bad_pointer(); \ - __xchg__res = x; \ - break; \ - } \ - \ - __xchg__res; \ -}) - -#define xchg(ptr,x) \ - ((__typeof__(*(ptr)))__xchg((ptr),(unsigned long)(x), sizeof(*(ptr)))) - -/* This function doesn't exist, so you'll get a linker error - * if something tries to do an invalid cmpxchg(). */ -extern void __cmpxchg_called_with_bad_pointer(void); - -#define __HAVE_ARCH_CMPXCHG 1 - -static inline unsigned long __cmpxchg(volatile void * ptr, unsigned long old, - unsigned long new, int size) -{ - switch (size) { - case 4: - return __cmpxchg_u32(ptr, old, new); - } - __cmpxchg_called_with_bad_pointer(); - return old; -} - -#define cmpxchg(ptr,o,n) \ - ({ \ - __typeof__(*(ptr)) _o_ = (o); \ - __typeof__(*(ptr)) _n_ = (n); \ - (__typeof__(*(ptr))) __cmpxchg((ptr), (unsigned long)_o_, \ - (unsigned long)_n_, sizeof(*(ptr))); \ - }) - -struct pt_regs; - -extern void die(const char *str, struct pt_regs *regs, long err) __attribute__ ((noreturn)); -void free_initmem(void); -void free_initrd_mem(unsigned long start, unsigned long end); - -extern void *set_exception_table_vec(unsigned int vec, void *handler); - -static inline void *set_exception_table_evt(unsigned int evt, void *handler) -{ - return set_exception_table_vec(evt >> 5, handler); -} - -/* - * SH-2A has both 16 and 32-bit opcodes, do lame encoding checks. - */ -#ifdef CONFIG_CPU_SH2A -extern unsigned int instruction_size(unsigned int insn); -#elif defined(CONFIG_SUPERH32) -#define instruction_size(insn) (2) -#else -#define instruction_size(insn) (4) -#endif - -void per_cpu_trap_init(void); -void default_idle(void); -void cpu_idle_wait(void); -void stop_this_cpu(void *); - -#ifdef CONFIG_SUPERH32 -#define BUILD_TRAP_HANDLER(name) \ -asmlinkage void name##_trap_handler(unsigned long r4, unsigned long r5, \ - unsigned long r6, unsigned long r7, \ - struct pt_regs __regs) - -#define TRAP_HANDLER_DECL \ - struct pt_regs *regs = RELOC_HIDE(&__regs, 0); \ - unsigned int vec = regs->tra; \ - (void)vec; -#else -#define BUILD_TRAP_HANDLER(name) \ -asmlinkage void name##_trap_handler(unsigned int vec, struct pt_regs *regs) -#define TRAP_HANDLER_DECL -#endif - -BUILD_TRAP_HANDLER(address_error); -BUILD_TRAP_HANDLER(debug); -BUILD_TRAP_HANDLER(bug); -BUILD_TRAP_HANDLER(breakpoint); -BUILD_TRAP_HANDLER(singlestep); -BUILD_TRAP_HANDLER(fpu_error); -BUILD_TRAP_HANDLER(fpu_state_restore); -BUILD_TRAP_HANDLER(nmi); - -#define arch_align_stack(x) (x) - -struct mem_access { - unsigned long (*from)(void *dst, const void __user *src, unsigned long cnt); - unsigned long (*to)(void __user *dst, const void *src, unsigned long cnt); -}; - -#ifdef CONFIG_SUPERH32 -# include "system_32.h" -#else -# include "system_64.h" -#endif - -#endif diff --git a/arch/sh/include/asm/system_64.h b/arch/sh/include/asm/system_64.h deleted file mode 100644 index 8593bc8d..0000000 --- a/arch/sh/include/asm/system_64.h +++ /dev/null @@ -1,79 +0,0 @@ -#ifndef __ASM_SH_SYSTEM_64_H -#define __ASM_SH_SYSTEM_64_H - -/* - * include/asm-sh/system_64.h - * - * Copyright (C) 2000, 2001 Paolo Alberelli - * Copyright (C) 2003 Paul Mundt - * Copyright (C) 2004 Richard Curnow - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ -#include <cpu/registers.h> -#include <asm/processor.h> - -/* - * switch_to() should switch tasks to task nr n, first - */ -struct thread_struct; -struct task_struct *sh64_switch_to(struct task_struct *prev, - struct thread_struct *prev_thread, - struct task_struct *next, - struct thread_struct *next_thread); - -#define switch_to(prev,next,last) \ -do { \ - if (last_task_used_math != next) { \ - struct pt_regs *regs = next->thread.uregs; \ - if (regs) regs->sr |= SR_FD; \ - } \ - last = sh64_switch_to(prev, &prev->thread, next, \ - &next->thread); \ -} while (0) - -#define __icbi(addr) __asm__ __volatile__ ( "icbi %0, 0\n\t" : : "r" (addr)) -#define __ocbp(addr) __asm__ __volatile__ ( "ocbp %0, 0\n\t" : : "r" (addr)) -#define __ocbi(addr) __asm__ __volatile__ ( "ocbi %0, 0\n\t" : : "r" (addr)) -#define __ocbwb(addr) __asm__ __volatile__ ( "ocbwb %0, 0\n\t" : : "r" (addr)) - -static inline reg_size_t register_align(void *val) -{ - return (unsigned long long)(signed long long)(signed long)val; -} - -extern void phys_stext(void); - -static inline void trigger_address_error(void) -{ - phys_stext(); -} - -#define SR_BL_LL 0x0000000010000000LL - -static inline void set_bl_bit(void) -{ - unsigned long long __dummy0, __dummy1 = SR_BL_LL; - - __asm__ __volatile__("getcon " __SR ", %0\n\t" - "or %0, %1, %0\n\t" - "putcon %0, " __SR "\n\t" - : "=&r" (__dummy0) - : "r" (__dummy1)); - -} - -static inline void clear_bl_bit(void) -{ - unsigned long long __dummy0, __dummy1 = ~SR_BL_LL; - - __asm__ __volatile__("getcon " __SR ", %0\n\t" - "and %0, %1, %0\n\t" - "putcon %0, " __SR "\n\t" - : "=&r" (__dummy0) - : "r" (__dummy1)); -} - -#endif /* __ASM_SH_SYSTEM_64_H */ diff --git a/arch/sh/include/asm/traps.h b/arch/sh/include/asm/traps.h new file mode 100644 index 0000000..afd9df8 --- /dev/null +++ b/arch/sh/include/asm/traps.h @@ -0,0 +1,21 @@ +#ifndef __ASM_SH_TRAPS_H +#define __ASM_SH_TRAPS_H + +#include <linux/compiler.h> + +#ifdef CONFIG_SUPERH32 +# include "traps_32.h" +#else +# include "traps_64.h" +#endif + +BUILD_TRAP_HANDLER(address_error); +BUILD_TRAP_HANDLER(debug); +BUILD_TRAP_HANDLER(bug); +BUILD_TRAP_HANDLER(breakpoint); +BUILD_TRAP_HANDLER(singlestep); +BUILD_TRAP_HANDLER(fpu_error); +BUILD_TRAP_HANDLER(fpu_state_restore); +BUILD_TRAP_HANDLER(nmi); + +#endif /* __ASM_SH_TRAPS_H */ diff --git a/arch/sh/include/asm/traps_32.h b/arch/sh/include/asm/traps_32.h new file mode 100644 index 0000000..cfd55ff --- /dev/null +++ b/arch/sh/include/asm/traps_32.h @@ -0,0 +1,68 @@ +#ifndef __ASM_SH_TRAPS_32_H +#define __ASM_SH_TRAPS_32_H + +#include <linux/types.h> +#include <asm/mmu.h> + +#ifdef CONFIG_CPU_HAS_SR_RB +#define lookup_exception_vector() \ +({ \ + unsigned long _vec; \ + \ + __asm__ __volatile__ ( \ + "stc r2_bank, %0\n\t" \ + : "=r" (_vec) \ + ); \ + \ + _vec; \ +}) +#else +#define lookup_exception_vector() \ +({ \ + unsigned long _vec; \ + __asm__ __volatile__ ( \ + "mov r4, %0\n\t" \ + : "=r" (_vec) \ + ); \ + \ + _vec; \ +}) +#endif + +static inline void trigger_address_error(void) +{ + __asm__ __volatile__ ( + "ldc %0, sr\n\t" + "mov.l @%1, %0" + : + : "r" (0x10000000), "r" (0x80000001) + ); +} + +asmlinkage void do_address_error(struct pt_regs *regs, + unsigned long writeaccess, + unsigned long address); +asmlinkage void do_divide_error(unsigned long r4, unsigned long r5, + unsigned long r6, unsigned long r7, + struct pt_regs __regs); +asmlinkage void do_reserved_inst(unsigned long r4, unsigned long r5, + unsigned long r6, unsigned long r7, + struct pt_regs __regs); +asmlinkage void do_illegal_slot_inst(unsigned long r4, unsigned long r5, + unsigned long r6, unsigned long r7, + struct pt_regs __regs); +asmlinkage void do_exception_error(unsigned long r4, unsigned long r5, + unsigned long r6, unsigned long r7, + struct pt_regs __regs); + +#define BUILD_TRAP_HANDLER(name) \ +asmlinkage void name##_trap_handler(unsigned long r4, unsigned long r5, \ + unsigned long r6, unsigned long r7, \ + struct pt_regs __regs) + +#define TRAP_HANDLER_DECL \ + struct pt_regs *regs = RELOC_HIDE(&__regs, 0); \ + unsigned int vec = regs->tra; \ + (void)vec; + +#endif /* __ASM_SH_TRAPS_32_H */ diff --git a/arch/sh/include/asm/traps_64.h b/arch/sh/include/asm/traps_64.h new file mode 100644 index 0000000..c52d7f9 --- /dev/null +++ b/arch/sh/include/asm/traps_64.h @@ -0,0 +1,24 @@ +/* + * Copyright (C) 2000, 2001 Paolo Alberelli + * Copyright (C) 2003 Paul Mundt + * Copyright (C) 2004 Richard Curnow + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ +#ifndef __ASM_SH_TRAPS_64_H +#define __ASM_SH_TRAPS_64_H + +extern void phys_stext(void); + +static inline void trigger_address_error(void) +{ + phys_stext(); +} + +#define BUILD_TRAP_HANDLER(name) \ +asmlinkage void name##_trap_handler(unsigned int vec, struct pt_regs *regs) +#define TRAP_HANDLER_DECL + +#endif /* __ASM_SH_TRAPS_64_H */ diff --git a/arch/sh/include/asm/uaccess.h b/arch/sh/include/asm/uaccess.h index 075848f..050f221 100644 --- a/arch/sh/include/asm/uaccess.h +++ b/arch/sh/include/asm/uaccess.h @@ -254,5 +254,19 @@ int fixup_exception(struct pt_regs *regs); unsigned long search_exception_table(unsigned long addr); const struct exception_table_entry *search_exception_tables(unsigned long addr); +extern void *set_exception_table_vec(unsigned int vec, void *handler); + +static inline void *set_exception_table_evt(unsigned int evt, void *handler) +{ + return set_exception_table_vec(evt >> 5, handler); +} + +struct mem_access { + unsigned long (*from)(void *dst, const void __user *src, unsigned long cnt); + unsigned long (*to)(void __user *dst, const void *src, unsigned long cnt); +}; + +int handle_unaligned_access(insn_size_t instruction, struct pt_regs *regs, + struct mem_access *ma, int, unsigned long address); #endif /* __ASM_SH_UACCESS_H */ diff --git a/arch/sh/include/asm/unistd.h b/arch/sh/include/asm/unistd.h index 65be656..a42a561 100644 --- a/arch/sh/include/asm/unistd.h +++ b/arch/sh/include/asm/unistd.h @@ -1,9 +1,46 @@ #ifdef __KERNEL__ # ifdef CONFIG_SUPERH32 + # include "unistd_32.h" +# define __ARCH_WANT_SYS_RT_SIGSUSPEND + # else # include "unistd_64.h" # endif + +# define __ARCH_WANT_IPC_PARSE_VERSION +# define __ARCH_WANT_OLD_READDIR +# define __ARCH_WANT_OLD_STAT +# define __ARCH_WANT_STAT64 +# define __ARCH_WANT_SYS_ALARM +# define __ARCH_WANT_SYS_GETHOSTNAME +# define __ARCH_WANT_SYS_IPC +# define __ARCH_WANT_SYS_PAUSE +# define __ARCH_WANT_SYS_SGETMASK +# define __ARCH_WANT_SYS_SIGNAL +# define __ARCH_WANT_SYS_TIME +# define __ARCH_WANT_SYS_UTIME +# define __ARCH_WANT_SYS_WAITPID +# define __ARCH_WANT_SYS_SOCKETCALL +# define __ARCH_WANT_SYS_FADVISE64 +# define __ARCH_WANT_SYS_GETPGRP +# define __ARCH_WANT_SYS_LLSEEK +# define __ARCH_WANT_SYS_NICE +# define __ARCH_WANT_SYS_OLD_GETRLIMIT +# define __ARCH_WANT_SYS_OLD_UNAME +# define __ARCH_WANT_SYS_OLDUMOUNT +# define __ARCH_WANT_SYS_SIGPENDING +# define __ARCH_WANT_SYS_SIGPROCMASK +# define __ARCH_WANT_SYS_RT_SIGACTION + +/* + * "Conditional" syscalls + * + * What we want is __attribute__((weak,alias("sys_ni_syscall"))), + * but it doesn't work on all toolchains, so we just do it by hand + */ +# define cond_syscall(x) asm(".weak\t" #x "\n\t.set\t" #x ",sys_ni_syscall") + #else # ifdef __SH5__ # include "unistd_64.h" diff --git a/arch/sh/include/asm/unistd_32.h b/arch/sh/include/asm/unistd_32.h index 152b862..72fd1e0 100644 --- a/arch/sh/include/asm/unistd_32.h +++ b/arch/sh/include/asm/unistd_32.h @@ -1,5 +1,5 @@ -#ifndef __ASM_SH_UNISTD_H -#define __ASM_SH_UNISTD_H +#ifndef __ASM_SH_UNISTD_32_H +#define __ASM_SH_UNISTD_32_H /* * Copyright (C) 1999 Niibe Yutaka @@ -26,7 +26,7 @@ #define __NR_mknod 14 #define __NR_chmod 15 #define __NR_lchown 16 -#define __NR_break 17 + /* 17 was sys_break */ #define __NR_oldstat 18 #define __NR_lseek 19 #define __NR_getpid 20 @@ -40,11 +40,11 @@ #define __NR_oldfstat 28 #define __NR_pause 29 #define __NR_utime 30 -#define __NR_stty 31 -#define __NR_gtty 32 + /* 31 was sys_stty */ + /* 32 was sys_gtty */ #define __NR_access 33 #define __NR_nice 34 -#define __NR_ftime 35 + /* 35 was sys_ftime */ #define __NR_sync 36 #define __NR_kill 37 #define __NR_rename 38 @@ -53,7 +53,7 @@ #define __NR_dup 41 #define __NR_pipe 42 #define __NR_times 43 -#define __NR_prof 44 + /* 44 was sys_prof */ #define __NR_brk 45 #define __NR_setgid 46 #define __NR_getgid 47 @@ -62,13 +62,13 @@ #define __NR_getegid 50 #define __NR_acct 51 #define __NR_umount2 52 -#define __NR_lock 53 + /* 53 was sys_lock */ #define __NR_ioctl 54 #define __NR_fcntl 55 -#define __NR_mpx 56 + /* 56 was sys_mpx */ #define __NR_setpgid 57 -#define __NR_ulimit 58 -#define __NR_oldolduname 59 + /* 58 was sys_ulimit */ + /* 59 was sys_olduname */ #define __NR_umask 60 #define __NR_chroot 61 #define __NR_ustat 62 @@ -91,7 +91,7 @@ #define __NR_settimeofday 79 #define __NR_getgroups 80 #define __NR_setgroups 81 -#define __NR_select 82 + /* 82 was sys_oldselect */ #define __NR_symlink 83 #define __NR_oldlstat 84 #define __NR_readlink 85 @@ -107,10 +107,10 @@ #define __NR_fchown 95 #define __NR_getpriority 96 #define __NR_setpriority 97 -#define __NR_profil 98 + /* 98 was sys_profil */ #define __NR_statfs 99 #define __NR_fstatfs 100 -#define __NR_ioperm 101 + /* 101 was sys_ioperm */ #define __NR_socketcall 102 #define __NR_syslog 103 #define __NR_setitimer 104 @@ -119,10 +119,10 @@ #define __NR_lstat 107 #define __NR_fstat 108 #define __NR_olduname 109 -#define __NR_iopl 110 + /* 110 was sys_iopl */ #define __NR_vhangup 111 -#define __NR_idle 112 -#define __NR_vm86old 113 + /* 112 was sys_idle */ + /* 113 was sys_vm86old */ #define __NR_wait4 114 #define __NR_swapoff 115 #define __NR_sysinfo 116 @@ -136,17 +136,17 @@ #define __NR_adjtimex 124 #define __NR_mprotect 125 #define __NR_sigprocmask 126 -#define __NR_create_module 127 + /* 127 was sys_create_module */ #define __NR_init_module 128 #define __NR_delete_module 129 -#define __NR_get_kernel_syms 130 + /* 130 was sys_get_kernel_syms */ #define __NR_quotactl 131 #define __NR_getpgid 132 #define __NR_fchdir 133 #define __NR_bdflush 134 #define __NR_sysfs 135 #define __NR_personality 136 -#define __NR_afs_syscall 137 /* Syscall for Andrew File System */ + /* 137 was sys_afs_syscall */ #define __NR_setfsuid 138 #define __NR_setfsgid 139 #define __NR__llseek 140 @@ -175,8 +175,8 @@ #define __NR_mremap 163 #define __NR_setresuid 164 #define __NR_getresuid 165 -#define __NR_vm86 166 -#define __NR_query_module 167 + /* 166 was sys_vm86 */ + /* 167 was sys_query_module */ #define __NR_poll 168 #define __NR_nfsservctl 169 #define __NR_setresgid 170 @@ -197,8 +197,8 @@ #define __NR_capset 185 #define __NR_sigaltstack 186 #define __NR_sendfile 187 -#define __NR_streams1 188 /* some people actually want it */ -#define __NR_streams2 189 /* some people actually want it */ + /* 188 reserved for sys_getpmsg */ + /* 189 reserved for sys_putpmsg */ #define __NR_vfork 190 #define __NR_ugetrlimit 191 /* SuS compliant getrlimit */ #define __NR_mmap2 192 @@ -231,7 +231,8 @@ #define __NR_madvise 219 #define __NR_getdents64 220 #define __NR_fcntl64 221 -/* 223 is unused */ + /* 222 is reserved for tux */ + /* 223 is unused */ #define __NR_gettid 224 #define __NR_readahead 225 #define __NR_setxattr 226 @@ -251,15 +252,15 @@ #define __NR_futex 240 #define __NR_sched_setaffinity 241 #define __NR_sched_getaffinity 242 -#define __NR_set_thread_area 243 -#define __NR_get_thread_area 244 + /* 243 is reserved for set_thread_area */ + /* 244 is reserved for get_thread_area */ #define __NR_io_setup 245 #define __NR_io_destroy 246 #define __NR_io_getevents 247 #define __NR_io_submit 248 #define __NR_io_cancel 249 #define __NR_fadvise64 250 - + /* 251 is unused */ #define __NR_exit_group 252 #define __NR_lookup_dcookie 253 #define __NR_epoll_create 254 @@ -281,7 +282,7 @@ #define __NR_tgkill 270 #define __NR_utimes 271 #define __NR_fadvise64_64 272 -#define __NR_vserver 273 + /* 273 is reserved for vserver */ #define __NR_mbind 274 #define __NR_get_mempolicy 275 #define __NR_set_mempolicy 276 @@ -301,7 +302,7 @@ #define __NR_inotify_init 290 #define __NR_inotify_add_watch 291 #define __NR_inotify_rm_watch 292 -/* 293 is unused */ + /* 293 is unused */ #define __NR_migrate_pages 294 #define __NR_openat 295 #define __NR_mkdirat 296 @@ -380,43 +381,4 @@ #define NR_syscalls 367 -#ifdef __KERNEL__ - -#define __ARCH_WANT_IPC_PARSE_VERSION -#define __ARCH_WANT_OLD_READDIR -#define __ARCH_WANT_OLD_STAT -#define __ARCH_WANT_STAT64 -#define __ARCH_WANT_SYS_ALARM -#define __ARCH_WANT_SYS_GETHOSTNAME -#define __ARCH_WANT_SYS_IPC -#define __ARCH_WANT_SYS_PAUSE -#define __ARCH_WANT_SYS_SGETMASK -#define __ARCH_WANT_SYS_SIGNAL -#define __ARCH_WANT_SYS_TIME -#define __ARCH_WANT_SYS_UTIME -#define __ARCH_WANT_SYS_WAITPID -#define __ARCH_WANT_SYS_SOCKETCALL -#define __ARCH_WANT_SYS_FADVISE64 -#define __ARCH_WANT_SYS_GETPGRP -#define __ARCH_WANT_SYS_LLSEEK -#define __ARCH_WANT_SYS_NICE -#define __ARCH_WANT_SYS_OLD_GETRLIMIT -#define __ARCH_WANT_SYS_OLD_UNAME -#define __ARCH_WANT_SYS_OLDUMOUNT -#define __ARCH_WANT_SYS_SIGPENDING -#define __ARCH_WANT_SYS_SIGPROCMASK -#define __ARCH_WANT_SYS_RT_SIGACTION -#define __ARCH_WANT_SYS_RT_SIGSUSPEND - -/* - * "Conditional" syscalls - * - * What we want is __attribute__((weak,alias("sys_ni_syscall"))), - * but it doesn't work on all toolchains, so we just do it by hand - */ -#ifndef cond_syscall -#define cond_syscall(x) asm(".weak\t" #x "\n\t.set\t" #x ",sys_ni_syscall") -#endif - -#endif /* __KERNEL__ */ -#endif /* __ASM_SH_UNISTD_H */ +#endif /* __ASM_SH_UNISTD_32_H */ diff --git a/arch/sh/include/asm/unistd_64.h b/arch/sh/include/asm/unistd_64.h index c330c23..a28edc3 100644 --- a/arch/sh/include/asm/unistd_64.h +++ b/arch/sh/include/asm/unistd_64.h @@ -31,7 +31,7 @@ #define __NR_mknod 14 #define __NR_chmod 15 #define __NR_lchown 16 -#define __NR_break 17 + /* 17 was sys_break */ #define __NR_oldstat 18 #define __NR_lseek 19 #define __NR_getpid 20 @@ -45,11 +45,11 @@ #define __NR_oldfstat 28 #define __NR_pause 29 #define __NR_utime 30 -#define __NR_stty 31 -#define __NR_gtty 32 + /* 31 was sys_stty */ + /* 32 was sys_gtty */ #define __NR_access 33 #define __NR_nice 34 -#define __NR_ftime 35 + /* 35 was sys_ftime */ #define __NR_sync 36 #define __NR_kill 37 #define __NR_rename 38 @@ -58,7 +58,7 @@ #define __NR_dup 41 #define __NR_pipe 42 #define __NR_times 43 -#define __NR_prof 44 + /* 44 was sys_prof */ #define __NR_brk 45 #define __NR_setgid 46 #define __NR_getgid 47 @@ -67,13 +67,13 @@ #define __NR_getegid 50 #define __NR_acct 51 #define __NR_umount2 52 -#define __NR_lock 53 + /* 53 was sys_lock */ #define __NR_ioctl 54 #define __NR_fcntl 55 -#define __NR_mpx 56 + /* 56 was sys_mpx */ #define __NR_setpgid 57 -#define __NR_ulimit 58 -#define __NR_oldolduname 59 + /* 58 was sys_ulimit */ + /* 59 was sys_olduname */ #define __NR_umask 60 #define __NR_chroot 61 #define __NR_ustat 62 @@ -96,7 +96,7 @@ #define __NR_settimeofday 79 #define __NR_getgroups 80 #define __NR_setgroups 81 -#define __NR_select 82 + /* 82 was sys_select */ #define __NR_symlink 83 #define __NR_oldlstat 84 #define __NR_readlink 85 @@ -112,10 +112,10 @@ #define __NR_fchown 95 #define __NR_getpriority 96 #define __NR_setpriority 97 -#define __NR_profil 98 + /* 98 was sys_profil */ #define __NR_statfs 99 #define __NR_fstatfs 100 -#define __NR_ioperm 101 + /* 101 was sys_ioperm */ #define __NR_socketcall 102 /* old implementation of socket systemcall */ #define __NR_syslog 103 #define __NR_setitimer 104 @@ -124,10 +124,10 @@ #define __NR_lstat 107 #define __NR_fstat 108 #define __NR_olduname 109 -#define __NR_iopl 110 + /* 110 was sys_iopl */ #define __NR_vhangup 111 -#define __NR_idle 112 -#define __NR_vm86old 113 + /* 112 was sys_idle */ + /* 113 was sys_vm86old */ #define __NR_wait4 114 #define __NR_swapoff 115 #define __NR_sysinfo 116 @@ -141,17 +141,17 @@ #define __NR_adjtimex 124 #define __NR_mprotect 125 #define __NR_sigprocmask 126 -#define __NR_create_module 127 + /* 127 was sys_create_module */ #define __NR_init_module 128 #define __NR_delete_module 129 -#define __NR_get_kernel_syms 130 + /* 130 was sys_get_kernel_syms */ #define __NR_quotactl 131 #define __NR_getpgid 132 #define __NR_fchdir 133 #define __NR_bdflush 134 #define __NR_sysfs 135 #define __NR_personality 136 -#define __NR_afs_syscall 137 /* Syscall for Andrew File System */ + /* 137 was sys_afs_syscall */ #define __NR_setfsuid 138 #define __NR_setfsgid 139 #define __NR__llseek 140 @@ -180,8 +180,8 @@ #define __NR_mremap 163 #define __NR_setresuid 164 #define __NR_getresuid 165 -#define __NR_vm86 166 -#define __NR_query_module 167 + /* 166 was sys_vm86 */ + /* 167 was sys_query_module */ #define __NR_poll 168 #define __NR_nfsservctl 169 #define __NR_setresgid 170 @@ -202,8 +202,8 @@ #define __NR_capset 185 #define __NR_sigaltstack 186 #define __NR_sendfile 187 -#define __NR_streams1 188 /* some people actually want it */ -#define __NR_streams2 189 /* some people actually want it */ + /* 188 reserved for getpmsg */ + /* 189 reserved for putpmsg */ #define __NR_vfork 190 #define __NR_ugetrlimit 191 /* SuS compliant getrlimit */ #define __NR_mmap2 192 @@ -262,16 +262,15 @@ #define __NR_msgrcv 241 #define __NR_msgget 242 #define __NR_msgctl 243 -#if 0 -#define __NR_shmatcall 244 -#endif +#define __NR_shmat 244 #define __NR_shmdt 245 #define __NR_shmget 246 #define __NR_shmctl 247 #define __NR_getdents64 248 #define __NR_fcntl64 249 -/* 223 is unused */ + /* 250 is reserved for tux */ + /* 251 is unused */ #define __NR_gettid 252 #define __NR_readahead 253 #define __NR_setxattr 254 @@ -291,14 +290,15 @@ #define __NR_futex 268 #define __NR_sched_setaffinity 269 #define __NR_sched_getaffinity 270 -#define __NR_set_thread_area 271 -#define __NR_get_thread_area 272 + /* 271 is reserved for set_thread_area */ + /* 272 is reserved for get_thread_area */ #define __NR_io_setup 273 #define __NR_io_destroy 274 #define __NR_io_getevents 275 #define __NR_io_submit 276 #define __NR_io_cancel 277 #define __NR_fadvise64 278 + /* 279 is unused */ #define __NR_exit_group 280 #define __NR_lookup_dcookie 281 @@ -321,17 +321,17 @@ #define __NR_tgkill 298 #define __NR_utimes 299 #define __NR_fadvise64_64 300 -#define __NR_vserver 301 -#define __NR_mbind 302 -#define __NR_get_mempolicy 303 -#define __NR_set_mempolicy 304 + /* 301 is reserved for vserver */ + /* 302 is reserved for mbind */ + /* 303 is reserved for get_mempolicy */ + /* 304 is reserved for set_mempolicy */ #define __NR_mq_open 305 #define __NR_mq_unlink (__NR_mq_open+1) #define __NR_mq_timedsend (__NR_mq_open+2) #define __NR_mq_timedreceive (__NR_mq_open+3) #define __NR_mq_notify (__NR_mq_open+4) #define __NR_mq_getsetattr (__NR_mq_open+5) -#define __NR_kexec_load 311 + /* 311 is reserved for kexec */ #define __NR_waitid 312 #define __NR_add_key 313 #define __NR_request_key 314 @@ -341,7 +341,7 @@ #define __NR_inotify_init 318 #define __NR_inotify_add_watch 319 #define __NR_inotify_rm_watch 320 -/* 321 is unused */ + /* 321 is unused */ #define __NR_migrate_pages 322 #define __NR_openat 323 #define __NR_mkdirat 324 @@ -399,44 +399,6 @@ #define __NR_process_vm_readv 376 #define __NR_process_vm_writev 377 -#ifdef __KERNEL__ - #define NR_syscalls 378 -#define __ARCH_WANT_IPC_PARSE_VERSION -#define __ARCH_WANT_OLD_READDIR -#define __ARCH_WANT_OLD_STAT -#define __ARCH_WANT_STAT64 -#define __ARCH_WANT_SYS_ALARM -#define __ARCH_WANT_SYS_GETHOSTNAME -#define __ARCH_WANT_SYS_IPC -#define __ARCH_WANT_SYS_PAUSE -#define __ARCH_WANT_SYS_SGETMASK -#define __ARCH_WANT_SYS_SIGNAL -#define __ARCH_WANT_SYS_TIME -#define __ARCH_WANT_SYS_UTIME -#define __ARCH_WANT_SYS_WAITPID -#define __ARCH_WANT_SYS_SOCKETCALL -#define __ARCH_WANT_SYS_FADVISE64 -#define __ARCH_WANT_SYS_GETPGRP -#define __ARCH_WANT_SYS_LLSEEK -#define __ARCH_WANT_SYS_NICE -#define __ARCH_WANT_SYS_OLD_GETRLIMIT -#define __ARCH_WANT_SYS_OLD_UNAME -#define __ARCH_WANT_SYS_OLDUMOUNT -#define __ARCH_WANT_SYS_SIGPENDING -#define __ARCH_WANT_SYS_SIGPROCMASK -#define __ARCH_WANT_SYS_RT_SIGACTION - -/* - * "Conditional" syscalls - * - * What we want is __attribute__((weak,alias("sys_ni_syscall"))), - * but it doesn't work on all toolchains, so we just do it by hand - */ -#ifndef cond_syscall -#define cond_syscall(x) asm(".weak\t" #x "\n\t.set\t" #x ",sys_ni_syscall") -#endif - -#endif /* __KERNEL__ */ #endif /* __ASM_SH_UNISTD_64_H */ diff --git a/arch/sh/include/cpu-sh4/cpu/dma-register.h b/arch/sh/include/cpu-sh4/cpu/dma-register.h index 18fa80a..02788b6 100644 --- a/arch/sh/include/cpu-sh4/cpu/dma-register.h +++ b/arch/sh/include/cpu-sh4/cpu/dma-register.h @@ -16,45 +16,29 @@ #define DMAOR_INIT DMAOR_DME -#if defined(CONFIG_CPU_SUBTYPE_SH7343) || \ - defined(CONFIG_CPU_SUBTYPE_SH7730) +#if defined(CONFIG_CPU_SUBTYPE_SH7343) #define CHCR_TS_LOW_MASK 0x00000018 #define CHCR_TS_LOW_SHIFT 3 #define CHCR_TS_HIGH_MASK 0 #define CHCR_TS_HIGH_SHIFT 0 #elif defined(CONFIG_CPU_SUBTYPE_SH7722) || \ + defined(CONFIG_CPU_SUBTYPE_SH7723) || \ defined(CONFIG_CPU_SUBTYPE_SH7724) || \ + defined(CONFIG_CPU_SUBTYPE_SH7730) || \ defined(CONFIG_CPU_SUBTYPE_SH7786) #define CHCR_TS_LOW_MASK 0x00000018 #define CHCR_TS_LOW_SHIFT 3 #define CHCR_TS_HIGH_MASK 0x00300000 #define CHCR_TS_HIGH_SHIFT (20 - 2) /* 2 bits for shifted low TS */ -#elif defined(CONFIG_CPU_SUBTYPE_SH7763) || \ - defined(CONFIG_CPU_SUBTYPE_SH7764) -#define CHCR_TS_LOW_MASK 0x00000018 -#define CHCR_TS_LOW_SHIFT 3 -#define CHCR_TS_HIGH_MASK 0 -#define CHCR_TS_HIGH_SHIFT 0 -#elif defined(CONFIG_CPU_SUBTYPE_SH7723) -#define CHCR_TS_LOW_MASK 0x00000018 -#define CHCR_TS_LOW_SHIFT 3 -#define CHCR_TS_HIGH_MASK 0 -#define CHCR_TS_HIGH_SHIFT 0 -#elif defined(CONFIG_CPU_SUBTYPE_SH7757) +#elif defined(CONFIG_CPU_SUBTYPE_SH7757) || \ + defined(CONFIG_CPU_SUBTYPE_SH7763) || \ + defined(CONFIG_CPU_SUBTYPE_SH7764) || \ + defined(CONFIG_CPU_SUBTYPE_SH7780) || \ + defined(CONFIG_CPU_SUBTYPE_SH7785) #define CHCR_TS_LOW_MASK 0x00000018 #define CHCR_TS_LOW_SHIFT 3 #define CHCR_TS_HIGH_MASK 0x00100000 #define CHCR_TS_HIGH_SHIFT (20 - 2) /* 2 bits for shifted low TS */ -#elif defined(CONFIG_CPU_SUBTYPE_SH7780) -#define CHCR_TS_LOW_MASK 0x00000018 -#define CHCR_TS_LOW_SHIFT 3 -#define CHCR_TS_HIGH_MASK 0 -#define CHCR_TS_HIGH_SHIFT 0 -#else /* SH7785 */ -#define CHCR_TS_LOW_MASK 0x00000018 -#define CHCR_TS_LOW_SHIFT 3 -#define CHCR_TS_HIGH_MASK 0 -#define CHCR_TS_HIGH_SHIFT 0 #endif /* Transmit sizes and respective CHCR register values */ diff --git a/arch/sh/include/mach-common/mach/mangle-port.h b/arch/sh/include/mach-common/mach/mangle-port.h new file mode 100644 index 0000000..4ca1769 --- /dev/null +++ b/arch/sh/include/mach-common/mach/mangle-port.h @@ -0,0 +1,49 @@ +/* + * SH version cribbed from the MIPS copy: + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2003, 2004 Ralf Baechle + */ +#ifndef __MACH_COMMON_MANGLE_PORT_H +#define __MACH_COMMON_MANGLE_PORT_H + +/* + * Sane hardware offers swapping of PCI/ISA I/O space accesses in hardware; + * less sane hardware forces software to fiddle with this... + * + * Regardless, if the host bus endianness mismatches that of PCI/ISA, then + * you can't have the numerical value of data and byte addresses within + * multibyte quantities both preserved at the same time. Hence two + * variations of functions: non-prefixed ones that preserve the value + * and prefixed ones that preserve byte addresses. The latters are + * typically used for moving raw data between a peripheral and memory (cf. + * string I/O functions), hence the "__mem_" prefix. + */ +#if defined(CONFIG_SWAP_IO_SPACE) + +# define ioswabb(x) (x) +# define __mem_ioswabb(x) (x) +# define ioswabw(x) le16_to_cpu(x) +# define __mem_ioswabw(x) (x) +# define ioswabl(x) le32_to_cpu(x) +# define __mem_ioswabl(x) (x) +# define ioswabq(x) le64_to_cpu(x) +# define __mem_ioswabq(x) (x) + +#else + +# define ioswabb(x) (x) +# define __mem_ioswabb(x) (x) +# define ioswabw(x) (x) +# define __mem_ioswabw(x) cpu_to_le16(x) +# define ioswabl(x) (x) +# define __mem_ioswabl(x) cpu_to_le32(x) +# define ioswabq(x) (x) +# define __mem_ioswabq(x) cpu_to_le32(x) + +#endif + +#endif /* __MACH_COMMON_MANGLE_PORT_H */ diff --git a/arch/sh/kernel/cpu/init.c b/arch/sh/kernel/cpu/init.c index fac742e..61a07da 100644 --- a/arch/sh/kernel/cpu/init.c +++ b/arch/sh/kernel/cpu/init.c @@ -18,13 +18,13 @@ #include <asm/processor.h> #include <asm/uaccess.h> #include <asm/page.h> -#include <asm/system.h> #include <asm/cacheflush.h> #include <asm/cache.h> #include <asm/elf.h> #include <asm/io.h> #include <asm/smp.h> #include <asm/sh_bios.h> +#include <asm/setup.h> #ifdef CONFIG_SH_FPU #define cpu_has_fpu 1 diff --git a/arch/sh/kernel/cpu/irq/imask.c b/arch/sh/kernel/cpu/irq/imask.c index 39b6a24..e7f1745 100644 --- a/arch/sh/kernel/cpu/irq/imask.c +++ b/arch/sh/kernel/cpu/irq/imask.c @@ -19,7 +19,6 @@ #include <linux/cache.h> #include <linux/irq.h> #include <linux/bitmap.h> -#include <asm/system.h> #include <asm/irq.h> /* Bitmap of IRQ masked */ diff --git a/arch/sh/kernel/cpu/sh2a/opcode_helper.c b/arch/sh/kernel/cpu/sh2a/opcode_helper.c index 9704b79..72aa61c 100644 --- a/arch/sh/kernel/cpu/sh2a/opcode_helper.c +++ b/arch/sh/kernel/cpu/sh2a/opcode_helper.c @@ -10,7 +10,6 @@ * for more details. */ #include <linux/kernel.h> -#include <asm/system.h> /* * Instructions on SH are generally fixed at 16-bits, however, SH-2A diff --git a/arch/sh/kernel/cpu/sh4/fpu.c b/arch/sh/kernel/cpu/sh4/fpu.c index 447482d..e74cd6c 100644 --- a/arch/sh/kernel/cpu/sh4/fpu.c +++ b/arch/sh/kernel/cpu/sh4/fpu.c @@ -15,7 +15,6 @@ #include <linux/io.h> #include <cpu/fpu.h> #include <asm/processor.h> -#include <asm/system.h> #include <asm/fpu.h> /* The PR (precision) bit in the FP Status Register must be clear when diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7757.c b/arch/sh/kernel/cpu/sh4a/setup-sh7757.c index 2875e8b..c8836cf 100644 --- a/arch/sh/kernel/cpu/sh4a/setup-sh7757.c +++ b/arch/sh/kernel/cpu/sh4a/setup-sh7757.c @@ -680,6 +680,25 @@ static struct platform_device spi1_device = { .resource = spi1_resources, }; +static struct resource rspi_resources[] = { + { + .start = 0xfe480000, + .end = 0xfe4800ff, + .flags = IORESOURCE_MEM, + }, + { + .start = 220, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device rspi_device = { + .name = "rspi", + .id = 2, + .num_resources = ARRAY_SIZE(rspi_resources), + .resource = rspi_resources, +}; + static struct resource usb_ehci_resources[] = { [0] = { .start = 0xfe4f1000, @@ -740,6 +759,7 @@ static struct platform_device *sh7757_devices[] __initdata = { &dma3_device, &spi0_device, &spi1_device, + &rspi_device, &usb_ehci_device, &usb_ohci_device, }; diff --git a/arch/sh/kernel/cpu/shmobile/cpuidle.c b/arch/sh/kernel/cpu/shmobile/cpuidle.c index 6d62eb4..1ddc876 100644 --- a/arch/sh/kernel/cpu/shmobile/cpuidle.c +++ b/arch/sh/kernel/cpu/shmobile/cpuidle.c @@ -29,7 +29,6 @@ static int cpuidle_sleep_enter(struct cpuidle_device *dev, int index) { unsigned long allowed_mode = SUSP_SH_SLEEP; - ktime_t before, after; int requested_state = index; int allowed_state; int k; @@ -47,19 +46,16 @@ static int cpuidle_sleep_enter(struct cpuidle_device *dev, */ k = min_t(int, allowed_state, requested_state); - before = ktime_get(); sh_mobile_call_standby(cpuidle_mode[k]); - after = ktime_get(); - - dev->last_residency = (int)ktime_to_ns(ktime_sub(after, before)) >> 10; return k; } static struct cpuidle_device cpuidle_dev; static struct cpuidle_driver cpuidle_driver = { - .name = "sh_idle", - .owner = THIS_MODULE, + .name = "sh_idle", + .owner = THIS_MODULE, + .en_core_tk_irqen = 1, }; void sh_mobile_setup_cpuidle(void) diff --git a/arch/sh/kernel/cpufreq.c b/arch/sh/kernel/cpufreq.c index 0ffface..e68b45b 100644 --- a/arch/sh/kernel/cpufreq.c +++ b/arch/sh/kernel/cpufreq.c @@ -3,7 +3,7 @@ * * cpufreq driver for the SuperH processors. * - * Copyright (C) 2002 - 2007 Paul Mundt + * Copyright (C) 2002 - 2012 Paul Mundt * Copyright (C) 2002 M. R. Brown * * Clock framework bits from arch/avr32/mach-at32ap/cpufreq.c @@ -14,6 +14,8 @@ * License. See the file "COPYING" in the main directory of this archive * for more details. */ +#define pr_fmt(fmt) "cpufreq: " fmt + #include <linux/types.h> #include <linux/cpufreq.h> #include <linux/kernel.h> @@ -21,15 +23,18 @@ #include <linux/init.h> #include <linux/err.h> #include <linux/cpumask.h> +#include <linux/cpu.h> #include <linux/smp.h> #include <linux/sched.h> /* set_cpus_allowed() */ #include <linux/clk.h> +#include <linux/percpu.h> +#include <linux/sh_clk.h> -static struct clk *cpuclk; +static DEFINE_PER_CPU(struct clk, sh_cpuclk); static unsigned int sh_cpufreq_get(unsigned int cpu) { - return (clk_get_rate(cpuclk) + 500) / 1000; + return (clk_get_rate(&per_cpu(sh_cpuclk, cpu)) + 500) / 1000; } /* @@ -40,8 +45,10 @@ static int sh_cpufreq_target(struct cpufreq_policy *policy, unsigned int relation) { unsigned int cpu = policy->cpu; + struct clk *cpuclk = &per_cpu(sh_cpuclk, cpu); cpumask_t cpus_allowed; struct cpufreq_freqs freqs; + struct device *dev; long freq; if (!cpu_online(cpu)) @@ -52,13 +59,15 @@ static int sh_cpufreq_target(struct cpufreq_policy *policy, BUG_ON(smp_processor_id() != cpu); + dev = get_cpu_device(cpu); + /* Convert target_freq from kHz to Hz */ freq = clk_round_rate(cpuclk, target_freq * 1000); if (freq < (policy->min * 1000) || freq > (policy->max * 1000)) return -EINVAL; - pr_debug("cpufreq: requested frequency %u Hz\n", target_freq * 1000); + dev_dbg(dev, "requested frequency %u Hz\n", target_freq * 1000); freqs.cpu = cpu; freqs.old = sh_cpufreq_get(cpu); @@ -70,78 +79,112 @@ static int sh_cpufreq_target(struct cpufreq_policy *policy, clk_set_rate(cpuclk, freq); cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE); - pr_debug("cpufreq: set frequency %lu Hz\n", freq); + dev_dbg(dev, "set frequency %lu Hz\n", freq); + + return 0; +} + +static int sh_cpufreq_verify(struct cpufreq_policy *policy) +{ + struct clk *cpuclk = &per_cpu(sh_cpuclk, policy->cpu); + struct cpufreq_frequency_table *freq_table; + + freq_table = cpuclk->nr_freqs ? cpuclk->freq_table : NULL; + if (freq_table) + return cpufreq_frequency_table_verify(policy, freq_table); + + cpufreq_verify_within_limits(policy, policy->cpuinfo.min_freq, + policy->cpuinfo.max_freq); + + policy->min = (clk_round_rate(cpuclk, 1) + 500) / 1000; + policy->max = (clk_round_rate(cpuclk, ~0UL) + 500) / 1000; + + cpufreq_verify_within_limits(policy, policy->cpuinfo.min_freq, + policy->cpuinfo.max_freq); return 0; } static int sh_cpufreq_cpu_init(struct cpufreq_policy *policy) { - if (!cpu_online(policy->cpu)) + unsigned int cpu = policy->cpu; + struct clk *cpuclk = &per_cpu(sh_cpuclk, cpu); + struct cpufreq_frequency_table *freq_table; + struct device *dev; + + if (!cpu_online(cpu)) return -ENODEV; - cpuclk = clk_get(NULL, "cpu_clk"); + dev = get_cpu_device(cpu); + + cpuclk = clk_get(dev, "cpu_clk"); if (IS_ERR(cpuclk)) { - printk(KERN_ERR "cpufreq: couldn't get CPU#%d clk\n", - policy->cpu); + dev_err(dev, "couldn't get CPU clk\n"); return PTR_ERR(cpuclk); } - /* cpuinfo and default policy values */ - policy->cpuinfo.min_freq = (clk_round_rate(cpuclk, 1) + 500) / 1000; - policy->cpuinfo.max_freq = (clk_round_rate(cpuclk, ~0UL) + 500) / 1000; - policy->cpuinfo.transition_latency = CPUFREQ_ETERNAL; + policy->cur = policy->min = policy->max = sh_cpufreq_get(cpu); - policy->cur = sh_cpufreq_get(policy->cpu); - policy->min = policy->cpuinfo.min_freq; - policy->max = policy->cpuinfo.max_freq; + freq_table = cpuclk->nr_freqs ? cpuclk->freq_table : NULL; + if (freq_table) { + int result; - /* - * Catch the cases where the clock framework hasn't been wired up - * properly to support scaling. - */ - if (unlikely(policy->min == policy->max)) { - printk(KERN_ERR "cpufreq: clock framework rate rounding " - "not supported on CPU#%d.\n", policy->cpu); + result = cpufreq_frequency_table_cpuinfo(policy, freq_table); + if (!result) + cpufreq_frequency_table_get_attr(freq_table, cpu); + } else { + dev_notice(dev, "no frequency table found, falling back " + "to rate rounding.\n"); - clk_put(cpuclk); - return -EINVAL; + policy->cpuinfo.min_freq = + (clk_round_rate(cpuclk, 1) + 500) / 1000; + policy->cpuinfo.max_freq = + (clk_round_rate(cpuclk, ~0UL) + 500) / 1000; } - printk(KERN_INFO "cpufreq: CPU#%d Frequencies - Minimum %u.%03u MHz, " + policy->min = policy->cpuinfo.min_freq; + policy->max = policy->cpuinfo.max_freq; + + policy->cpuinfo.transition_latency = CPUFREQ_ETERNAL; + + dev_info(dev, "CPU Frequencies - Minimum %u.%03u MHz, " "Maximum %u.%03u MHz.\n", - policy->cpu, policy->min / 1000, policy->min % 1000, + policy->min / 1000, policy->min % 1000, policy->max / 1000, policy->max % 1000); return 0; } -static int sh_cpufreq_verify(struct cpufreq_policy *policy) +static int sh_cpufreq_cpu_exit(struct cpufreq_policy *policy) { - cpufreq_verify_within_limits(policy, policy->cpuinfo.min_freq, - policy->cpuinfo.max_freq); - return 0; -} + unsigned int cpu = policy->cpu; + struct clk *cpuclk = &per_cpu(sh_cpuclk, cpu); -static int sh_cpufreq_exit(struct cpufreq_policy *policy) -{ + cpufreq_frequency_table_put_attr(cpu); clk_put(cpuclk); + return 0; } +static struct freq_attr *sh_freq_attr[] = { + &cpufreq_freq_attr_scaling_available_freqs, + NULL, +}; + static struct cpufreq_driver sh_cpufreq_driver = { .owner = THIS_MODULE, .name = "sh", - .init = sh_cpufreq_cpu_init, - .verify = sh_cpufreq_verify, - .target = sh_cpufreq_target, .get = sh_cpufreq_get, - .exit = sh_cpufreq_exit, + .target = sh_cpufreq_target, + .verify = sh_cpufreq_verify, + .init = sh_cpufreq_cpu_init, + .exit = sh_cpufreq_cpu_exit, + .attr = sh_freq_attr, }; static int __init sh_cpufreq_module_init(void) { - printk(KERN_INFO "cpufreq: SuperH CPU frequency driver.\n"); + pr_notice("SuperH CPU frequency driver.\n"); return cpufreq_register_driver(&sh_cpufreq_driver); } diff --git a/arch/sh/kernel/dma-nommu.c b/arch/sh/kernel/dma-nommu.c index 3c55b87..5b0bfcd 100644 --- a/arch/sh/kernel/dma-nommu.c +++ b/arch/sh/kernel/dma-nommu.c @@ -63,8 +63,8 @@ static void nommu_sync_sg(struct device *dev, struct scatterlist *sg, #endif struct dma_map_ops nommu_dma_ops = { - .alloc_coherent = dma_generic_alloc_coherent, - .free_coherent = dma_generic_free_coherent, + .alloc = dma_generic_alloc_coherent, + .free = dma_generic_free_coherent, .map_page = nommu_map_page, .map_sg = nommu_map_sg, #ifdef CONFIG_DMA_NONCOHERENT diff --git a/arch/sh/kernel/hw_breakpoint.c b/arch/sh/kernel/hw_breakpoint.c index efae6ab..f9173766 100644 --- a/arch/sh/kernel/hw_breakpoint.c +++ b/arch/sh/kernel/hw_breakpoint.c @@ -22,6 +22,7 @@ #include <asm/hw_breakpoint.h> #include <asm/mmu_context.h> #include <asm/ptrace.h> +#include <asm/traps.h> /* * Stores the breakpoints currently in use on each breakpoint address diff --git a/arch/sh/kernel/idle.c b/arch/sh/kernel/idle.c index 7e48928..64852ec 100644 --- a/arch/sh/kernel/idle.c +++ b/arch/sh/kernel/idle.c @@ -18,9 +18,9 @@ #include <linux/smp.h> #include <linux/cpuidle.h> #include <asm/pgalloc.h> -#include <asm/system.h> #include <linux/atomic.h> #include <asm/smp.h> +#include <asm/bl_bit.h> void (*pm_idle)(void); diff --git a/arch/sh/kernel/io_trapped.c b/arch/sh/kernel/io_trapped.c index 0f62f46..c0a9761 100644 --- a/arch/sh/kernel/io_trapped.c +++ b/arch/sh/kernel/io_trapped.c @@ -15,7 +15,6 @@ #include <linux/vmalloc.h> #include <linux/module.h> #include <linux/init.h> -#include <asm/system.h> #include <asm/mmu_context.h> #include <asm/uaccess.h> #include <asm/io.h> diff --git a/arch/sh/kernel/process_32.c b/arch/sh/kernel/process_32.c index 7ec6651..f72e3a9 100644 --- a/arch/sh/kernel/process_32.c +++ b/arch/sh/kernel/process_32.c @@ -24,7 +24,6 @@ #include <linux/prefetch.h> #include <asm/uaccess.h> #include <asm/mmu_context.h> -#include <asm/system.h> #include <asm/fpu.h> #include <asm/syscalls.h> diff --git a/arch/sh/kernel/process_64.c b/arch/sh/kernel/process_64.c index cbd4e4b..4264583e 100644 --- a/arch/sh/kernel/process_64.c +++ b/arch/sh/kernel/process_64.c @@ -30,6 +30,7 @@ #include <asm/pgtable.h> #include <asm/mmu_context.h> #include <asm/fpu.h> +#include <asm/switch_to.h> struct task_struct *last_task_used_math = NULL; diff --git a/arch/sh/kernel/ptrace_32.c b/arch/sh/kernel/ptrace_32.c index a3e6515..9698671 100644 --- a/arch/sh/kernel/ptrace_32.c +++ b/arch/sh/kernel/ptrace_32.c @@ -28,7 +28,6 @@ #include <linux/hw_breakpoint.h> #include <asm/uaccess.h> #include <asm/pgtable.h> -#include <asm/system.h> #include <asm/processor.h> #include <asm/mmu_context.h> #include <asm/syscalls.h> diff --git a/arch/sh/kernel/ptrace_64.c b/arch/sh/kernel/ptrace_64.c index 3d0080b..bc81e07 100644 --- a/arch/sh/kernel/ptrace_64.c +++ b/arch/sh/kernel/ptrace_64.c @@ -34,11 +34,11 @@ #include <asm/io.h> #include <asm/uaccess.h> #include <asm/pgtable.h> -#include <asm/system.h> #include <asm/processor.h> #include <asm/mmu_context.h> #include <asm/syscalls.h> #include <asm/fpu.h> +#include <asm/traps.h> #define CREATE_TRACE_POINTS #include <trace/events/syscalls.h> diff --git a/arch/sh/kernel/reboot.c b/arch/sh/kernel/reboot.c index ca6a5ca..04afe5b 100644 --- a/arch/sh/kernel/reboot.c +++ b/arch/sh/kernel/reboot.c @@ -8,8 +8,8 @@ #endif #include <asm/addrspace.h> #include <asm/reboot.h> -#include <asm/system.h> #include <asm/tlbflush.h> +#include <asm/traps.h> void (*pm_power_off)(void); EXPORT_SYMBOL(pm_power_off); diff --git a/arch/sh/kernel/signal_32.c b/arch/sh/kernel/signal_32.c index a7a55ed..5901fba 100644 --- a/arch/sh/kernel/signal_32.c +++ b/arch/sh/kernel/signal_32.c @@ -25,7 +25,6 @@ #include <linux/freezer.h> #include <linux/io.h> #include <linux/tracehook.h> -#include <asm/system.h> #include <asm/ucontext.h> #include <asm/uaccess.h> #include <asm/pgtable.h> @@ -58,12 +57,13 @@ sys_sigsuspend(old_sigset_t mask, unsigned long r5, unsigned long r6, unsigned long r7, struct pt_regs __regs) { - mask &= _BLOCKABLE; - spin_lock_irq(¤t->sighand->siglock); + sigset_t blocked; + current->saved_sigmask = current->blocked; - siginitset(¤t->blocked, mask); - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); + + mask &= _BLOCKABLE; + siginitset(&blocked, mask); + set_current_blocked(&blocked); current->state = TASK_INTERRUPTIBLE; schedule(); @@ -240,11 +240,7 @@ asmlinkage int sys_sigreturn(unsigned long r4, unsigned long r5, goto badframe; sigdelsetmask(&set, ~_BLOCKABLE); - - spin_lock_irq(¤t->sighand->siglock); - current->blocked = set; - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); + set_current_blocked(&set); if (restore_sigcontext(regs, &frame->sc, &r0)) goto badframe; @@ -274,10 +270,7 @@ asmlinkage int sys_rt_sigreturn(unsigned long r4, unsigned long r5, goto badframe; sigdelsetmask(&set, ~_BLOCKABLE); - spin_lock_irq(¤t->sighand->siglock); - current->blocked = set; - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); + set_current_blocked(&set); if (restore_sigcontext(regs, &frame->uc.uc_mcontext, &r0)) goto badframe; @@ -548,17 +541,8 @@ handle_signal(unsigned long sig, struct k_sigaction *ka, siginfo_t *info, else ret = setup_frame(sig, ka, oldset, regs); - if (ka->sa.sa_flags & SA_ONESHOT) - ka->sa.sa_handler = SIG_DFL; - - if (ret == 0) { - 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); - } + if (ret == 0) + block_sigmask(ka, sig); return ret; } diff --git a/arch/sh/kernel/signal_64.c b/arch/sh/kernel/signal_64.c index 6b5603f..3c9a6f7 100644 --- a/arch/sh/kernel/signal_64.c +++ b/arch/sh/kernel/signal_64.c @@ -159,14 +159,13 @@ sys_sigsuspend(old_sigset_t mask, unsigned long r6, unsigned long r7, struct pt_regs * regs) { - sigset_t saveset; + sigset_t saveset, blocked; - mask &= _BLOCKABLE; - spin_lock_irq(¤t->sighand->siglock); saveset = current->blocked; - siginitset(¤t->blocked, mask); - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); + + mask &= _BLOCKABLE; + siginitset(&blocked, mask); + set_current_blocked(&blocked); REF_REG_RET = -EINTR; while (1) { @@ -198,11 +197,8 @@ sys_rt_sigsuspend(sigset_t *unewset, size_t sigsetsize, if (copy_from_user(&newset, unewset, sizeof(newset))) return -EFAULT; sigdelsetmask(&newset, ~_BLOCKABLE); - spin_lock_irq(¤t->sighand->siglock); saveset = current->blocked; - current->blocked = newset; - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); + set_current_blocked(&newset); REF_REG_RET = -EINTR; while (1) { @@ -408,11 +404,7 @@ asmlinkage int sys_sigreturn(unsigned long r2, unsigned long r3, goto badframe; sigdelsetmask(&set, ~_BLOCKABLE); - - spin_lock_irq(¤t->sighand->siglock); - current->blocked = set; - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); + set_current_blocked(&set); if (restore_sigcontext(regs, &frame->sc, &ret)) goto badframe; @@ -445,10 +437,7 @@ asmlinkage int sys_rt_sigreturn(unsigned long r2, unsigned long r3, goto badframe; sigdelsetmask(&set, ~_BLOCKABLE); - spin_lock_irq(¤t->sighand->siglock); - current->blocked = set; - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); + set_current_blocked(&set); if (restore_sigcontext(regs, &frame->uc.uc_mcontext, &ret)) goto badframe; @@ -734,17 +723,8 @@ handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka, else ret = setup_frame(sig, ka, oldset, regs); - if (ka->sa.sa_flags & SA_ONESHOT) - ka->sa.sa_handler = SIG_DFL; - - if (ret == 0) { - 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); - } + if (ret == 0) + block_sigmask(ka, sig); return ret; } diff --git a/arch/sh/kernel/smp.c b/arch/sh/kernel/smp.c index f624174..a17a14d 100644 --- a/arch/sh/kernel/smp.c +++ b/arch/sh/kernel/smp.c @@ -23,7 +23,6 @@ #include <linux/sched.h> #include <linux/atomic.h> #include <asm/processor.h> -#include <asm/system.h> #include <asm/mmu_context.h> #include <asm/smp.h> #include <asm/cacheflush.h> diff --git a/arch/sh/kernel/syscalls_32.S b/arch/sh/kernel/syscalls_32.S index ee56a9b..4b68f0f 100644 --- a/arch/sh/kernel/syscalls_32.S +++ b/arch/sh/kernel/syscalls_32.S @@ -204,8 +204,8 @@ ENTRY(sys_call_table) .long sys_capset /* 185 */ .long sys_sigaltstack .long sys_sendfile - .long sys_ni_syscall /* streams1 */ - .long sys_ni_syscall /* streams2 */ + .long sys_ni_syscall /* getpmsg */ + .long sys_ni_syscall /* putpmsg */ .long sys_vfork /* 190 */ .long sys_getrlimit .long sys_mmap2 @@ -259,8 +259,8 @@ ENTRY(sys_call_table) .long sys_futex /* 240 */ .long sys_sched_setaffinity .long sys_sched_getaffinity - .long sys_ni_syscall - .long sys_ni_syscall + .long sys_ni_syscall /* reserved for set_thread_area */ + .long sys_ni_syscall /* reserved for get_thread_area */ .long sys_io_setup /* 245 */ .long sys_io_destroy .long sys_io_getevents diff --git a/arch/sh/kernel/syscalls_64.S b/arch/sh/kernel/syscalls_64.S index 9af7de2..0956345 100644 --- a/arch/sh/kernel/syscalls_64.S +++ b/arch/sh/kernel/syscalls_64.S @@ -208,8 +208,8 @@ sys_call_table: .long sys_capset /* 185 */ .long sys_sigaltstack .long sys_sendfile - .long sys_ni_syscall /* streams1 */ - .long sys_ni_syscall /* streams2 */ + .long sys_ni_syscall /* getpmsg */ + .long sys_ni_syscall /* putpmsg */ .long sys_vfork /* 190 */ .long sys_getrlimit .long sys_mmap2 @@ -296,8 +296,8 @@ sys_call_table: .long sys_futex .long sys_sched_setaffinity .long sys_sched_getaffinity /* 270 */ - .long sys_ni_syscall - .long sys_ni_syscall + .long sys_ni_syscall /* reserved for set_thread_area */ + .long sys_ni_syscall /* reserved for get_thread_area */ .long sys_io_setup .long sys_io_destroy .long sys_io_getevents /* 275 */ diff --git a/arch/sh/kernel/traps.c b/arch/sh/kernel/traps.c index 0830c2a..a87e58a 100644 --- a/arch/sh/kernel/traps.c +++ b/arch/sh/kernel/traps.c @@ -7,7 +7,7 @@ #include <linux/uaccess.h> #include <linux/hardirq.h> #include <asm/unwinder.h> -#include <asm/system.h> +#include <asm/traps.h> #ifdef CONFIG_GENERIC_BUG static void handle_BUG(struct pt_regs *regs) diff --git a/arch/sh/kernel/traps_32.c b/arch/sh/kernel/traps_32.c index 7bbef95..a37175d 100644 --- a/arch/sh/kernel/traps_32.c +++ b/arch/sh/kernel/traps_32.c @@ -27,10 +27,11 @@ #include <linux/sysfs.h> #include <linux/uaccess.h> #include <linux/perf_event.h> -#include <asm/system.h> #include <asm/alignment.h> #include <asm/fpu.h> #include <asm/kprobes.h> +#include <asm/traps.h> +#include <asm/bl_bit.h> #ifdef CONFIG_CPU_SH2 # define TRAP_RESERVED_INST 4 diff --git a/arch/sh/kernel/traps_64.c b/arch/sh/kernel/traps_64.c index cd3a404..6c04860 100644 --- a/arch/sh/kernel/traps_64.c +++ b/arch/sh/kernel/traps_64.c @@ -25,7 +25,6 @@ #include <linux/sysctl.h> #include <linux/module.h> #include <linux/perf_event.h> -#include <asm/system.h> #include <asm/uaccess.h> #include <asm/io.h> #include <linux/atomic.h> diff --git a/arch/sh/math-emu/math.c b/arch/sh/math-emu/math.c index 9771952..b876780 100644 --- a/arch/sh/math-emu/math.c +++ b/arch/sh/math-emu/math.c @@ -14,7 +14,6 @@ #include <linux/signal.h> #include <linux/perf_event.h> -#include <asm/system.h> #include <asm/uaccess.h> #include <asm/processor.h> #include <asm/io.h> diff --git a/arch/sh/mm/consistent.c b/arch/sh/mm/consistent.c index f251b5f..b81d9db 100644 --- a/arch/sh/mm/consistent.c +++ b/arch/sh/mm/consistent.c @@ -33,7 +33,8 @@ static int __init dma_init(void) fs_initcall(dma_init); void *dma_generic_alloc_coherent(struct device *dev, size_t size, - dma_addr_t *dma_handle, gfp_t gfp) + dma_addr_t *dma_handle, gfp_t gfp, + struct dma_attrs *attrs) { void *ret, *ret_nocache; int order = get_order(size); @@ -64,7 +65,8 @@ void *dma_generic_alloc_coherent(struct device *dev, size_t size, } void dma_generic_free_coherent(struct device *dev, size_t size, - void *vaddr, dma_addr_t dma_handle) + void *vaddr, dma_addr_t dma_handle, + struct dma_attrs *attrs) { int order = get_order(size); unsigned long pfn = dma_handle >> PAGE_SHIFT; diff --git a/arch/sh/mm/fault_32.c b/arch/sh/mm/fault_32.c index 7bebd04..324eef9 100644 --- a/arch/sh/mm/fault_32.c +++ b/arch/sh/mm/fault_32.c @@ -17,9 +17,9 @@ #include <linux/kprobes.h> #include <linux/perf_event.h> #include <asm/io_trapped.h> -#include <asm/system.h> #include <asm/mmu_context.h> #include <asm/tlbflush.h> +#include <asm/traps.h> static inline int notify_page_fault(struct pt_regs *regs, int trap) { diff --git a/arch/sh/mm/fault_64.c b/arch/sh/mm/fault_64.c index 2b356ce..44a3410 100644 --- a/arch/sh/mm/fault_64.c +++ b/arch/sh/mm/fault_64.c @@ -33,7 +33,6 @@ #include <linux/mm.h> #include <linux/smp.h> #include <linux/interrupt.h> -#include <asm/system.h> #include <asm/tlb.h> #include <asm/io.h> #include <asm/uaccess.h> diff --git a/arch/sh/mm/flush-sh4.c b/arch/sh/mm/flush-sh4.c index cef4026..75a17f5 100644 --- a/arch/sh/mm/flush-sh4.c +++ b/arch/sh/mm/flush-sh4.c @@ -1,6 +1,7 @@ #include <linux/mm.h> #include <asm/mmu_context.h> #include <asm/cacheflush.h> +#include <asm/traps.h> /* * Write back the dirty D-caches, but not invalidate them. diff --git a/arch/sh/mm/pmb.c b/arch/sh/mm/pmb.c index fad52f1..7160c9f 100644 --- a/arch/sh/mm/pmb.c +++ b/arch/sh/mm/pmb.c @@ -25,7 +25,6 @@ #include <linux/vmalloc.h> #include <asm/cacheflush.h> #include <asm/sizes.h> -#include <asm/system.h> #include <asm/uaccess.h> #include <asm/pgtable.h> #include <asm/page.h> diff --git a/arch/sh/mm/tlb-pteaex.c b/arch/sh/mm/tlb-pteaex.c index b71db6a..4db21ad 100644 --- a/arch/sh/mm/tlb-pteaex.c +++ b/arch/sh/mm/tlb-pteaex.c @@ -12,7 +12,6 @@ #include <linux/kernel.h> #include <linux/mm.h> #include <linux/io.h> -#include <asm/system.h> #include <asm/mmu_context.h> #include <asm/cacheflush.h> diff --git a/arch/sh/mm/tlb-sh3.c b/arch/sh/mm/tlb-sh3.c index 7a940db..6554fb4 100644 --- a/arch/sh/mm/tlb-sh3.c +++ b/arch/sh/mm/tlb-sh3.c @@ -20,7 +20,6 @@ #include <linux/smp.h> #include <linux/interrupt.h> -#include <asm/system.h> #include <asm/io.h> #include <asm/uaccess.h> #include <asm/pgalloc.h> diff --git a/arch/sh/mm/tlb-sh4.c b/arch/sh/mm/tlb-sh4.c index cfdf793..d42dd7e 100644 --- a/arch/sh/mm/tlb-sh4.c +++ b/arch/sh/mm/tlb-sh4.c @@ -11,7 +11,6 @@ #include <linux/kernel.h> #include <linux/mm.h> #include <linux/io.h> -#include <asm/system.h> #include <asm/mmu_context.h> #include <asm/cacheflush.h> diff --git a/arch/sh/mm/tlbflush_64.c b/arch/sh/mm/tlbflush_64.c index e3430e0..11c5a18 100644 --- a/arch/sh/mm/tlbflush_64.c +++ b/arch/sh/mm/tlbflush_64.c @@ -22,7 +22,6 @@ #include <linux/smp.h> #include <linux/perf_event.h> #include <linux/interrupt.h> -#include <asm/system.h> #include <asm/io.h> #include <asm/tlb.h> #include <asm/uaccess.h> |