diff options
Diffstat (limited to 'arch')
210 files changed, 2438 insertions, 1080 deletions
diff --git a/arch/alpha/include/asm/mmzone.h b/arch/alpha/include/asm/mmzone.h index 8af56ce346a..445dc42e033 100644 --- a/arch/alpha/include/asm/mmzone.h +++ b/arch/alpha/include/asm/mmzone.h @@ -56,7 +56,6 @@ PLAT_NODE_DATA_LOCALNR(unsigned long p, int n) * Given a kernel address, find the home node of the underlying memory. */ #define kvaddr_to_nid(kaddr) pa_to_nid(__pa(kaddr)) -#define node_start_pfn(nid) (NODE_DATA(nid)->node_start_pfn) /* * Given a kaddr, LOCAL_BASE_ADDR finds the owning node of the memory diff --git a/arch/alpha/kernel/osf_sys.c b/arch/alpha/kernel/osf_sys.c index 376f2213079..326f0a2d56e 100644 --- a/arch/alpha/kernel/osf_sys.c +++ b/arch/alpha/kernel/osf_sys.c @@ -409,7 +409,7 @@ SYSCALL_DEFINE2(osf_getdomainname, char __user *, name, int, namelen) return -EFAULT; len = namelen; - if (namelen > 32) + if (len > 32) len = 32; down_read(&uts_sem); @@ -594,7 +594,7 @@ SYSCALL_DEFINE3(osf_sysinfo, int, command, char __user *, buf, long, count) down_read(&uts_sem); res = sysinfo_table[offset]; len = strlen(res)+1; - if (len > count) + if ((unsigned long)len > (unsigned long)count) len = count; if (copy_to_user(buf, res, len)) err = -EFAULT; @@ -649,7 +649,7 @@ SYSCALL_DEFINE5(osf_getsysinfo, unsigned long, op, void __user *, buffer, return 1; case GSI_GET_HWRPB: - if (nbytes < sizeof(*hwrpb)) + if (nbytes > sizeof(*hwrpb)) return -EINVAL; if (copy_to_user(buffer, hwrpb, nbytes) != 0) return -EFAULT; @@ -1008,6 +1008,7 @@ SYSCALL_DEFINE4(osf_wait4, pid_t, pid, int __user *, ustatus, int, options, { struct rusage r; long ret, err; + unsigned int status = 0; mm_segment_t old_fs; if (!ur) @@ -1016,13 +1017,15 @@ SYSCALL_DEFINE4(osf_wait4, pid_t, pid, int __user *, ustatus, int, options, old_fs = get_fs(); set_fs (KERNEL_DS); - ret = sys_wait4(pid, ustatus, options, (struct rusage __user *) &r); + ret = sys_wait4(pid, (unsigned int __user *) &status, options, + (struct rusage __user *) &r); set_fs (old_fs); if (!access_ok(VERIFY_WRITE, ur, sizeof(*ur))) return -EFAULT; err = 0; + err |= put_user(status, ustatus); err |= __put_user(r.ru_utime.tv_sec, &ur->ru_utime.tv_sec); err |= __put_user(r.ru_utime.tv_usec, &ur->ru_utime.tv_usec); err |= __put_user(r.ru_stime.tv_sec, &ur->ru_stime.tv_sec); diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S index f9da41921c5..940b2017810 100644 --- a/arch/arm/boot/compressed/head.S +++ b/arch/arm/boot/compressed/head.S @@ -597,6 +597,8 @@ __common_mmu_cache_on: sub pc, lr, r0, lsr #32 @ properly flush pipeline #endif +#define PROC_ENTRY_SIZE (4*5) + /* * Here follow the relocatable cache support functions for the * various processors. This is a generic hook for locating an @@ -624,7 +626,7 @@ call_cache_fn: adr r12, proc_types ARM( addeq pc, r12, r3 ) @ call cache function THUMB( addeq r12, r3 ) THUMB( moveq pc, r12 ) @ call cache function - add r12, r12, #4*5 + add r12, r12, #PROC_ENTRY_SIZE b 1b /* @@ -691,9 +693,9 @@ proc_types: .word 0x41069260 @ ARM926EJ-S (v5TEJ) .word 0xff0ffff0 - b __arm926ejs_mmu_cache_on - b __armv4_mmu_cache_off - b __armv5tej_mmu_cache_flush + W(b) __arm926ejs_mmu_cache_on + W(b) __armv4_mmu_cache_off + W(b) __armv5tej_mmu_cache_flush .word 0x00007000 @ ARM7 IDs .word 0x0000f000 @@ -794,6 +796,16 @@ proc_types: .size proc_types, . - proc_types + /* + * If you get a "non-constant expression in ".if" statement" + * error from the assembler on this line, check that you have + * not accidentally written a "b" instruction where you should + * have written W(b). + */ + .if (. - proc_types) % PROC_ENTRY_SIZE != 0 + .error "The size of one or more proc_types entries is wrong." + .endif + /* * Turn off the Cache and MMU. ARMv3 does not support * reading the control register, but ARMv4 does. diff --git a/arch/arm/configs/davinci_all_defconfig b/arch/arm/configs/davinci_all_defconfig index 889922ad229..67b5abb6f85 100644 --- a/arch/arm/configs/davinci_all_defconfig +++ b/arch/arm/configs/davinci_all_defconfig @@ -157,7 +157,7 @@ CONFIG_LEDS_GPIO=m CONFIG_LEDS_TRIGGERS=y CONFIG_LEDS_TRIGGER_TIMER=m CONFIG_LEDS_TRIGGER_HEARTBEAT=m -CONFIG_RTC_CLASS=m +CONFIG_RTC_CLASS=y CONFIG_EXT2_FS=y CONFIG_EXT3_FS=y CONFIG_XFS_FS=m diff --git a/arch/arm/configs/netx_defconfig b/arch/arm/configs/netx_defconfig index 316af5479d9..9c0ad799398 100644 --- a/arch/arm/configs/netx_defconfig +++ b/arch/arm/configs/netx_defconfig @@ -60,7 +60,7 @@ CONFIG_FB_ARMCLCD=y # CONFIG_VGA_CONSOLE is not set CONFIG_FRAMEBUFFER_CONSOLE=y CONFIG_LOGO=y -CONFIG_RTC_CLASS=m +CONFIG_RTC_CLASS=y CONFIG_INOTIFY=y CONFIG_TMPFS=y CONFIG_JFFS2_FS=y diff --git a/arch/arm/configs/viper_defconfig b/arch/arm/configs/viper_defconfig index 8b0c717378f..1d01ddd3312 100644 --- a/arch/arm/configs/viper_defconfig +++ b/arch/arm/configs/viper_defconfig @@ -142,7 +142,7 @@ CONFIG_USB_GADGETFS=m CONFIG_USB_FILE_STORAGE=m CONFIG_USB_G_SERIAL=m CONFIG_USB_G_PRINTER=m -CONFIG_RTC_CLASS=m +CONFIG_RTC_CLASS=y CONFIG_RTC_DRV_DS1307=m CONFIG_RTC_DRV_SA1100=m CONFIG_EXT2_FS=m diff --git a/arch/arm/configs/xcep_defconfig b/arch/arm/configs/xcep_defconfig index 5b550414364..721832ffe2d 100644 --- a/arch/arm/configs/xcep_defconfig +++ b/arch/arm/configs/xcep_defconfig @@ -73,7 +73,7 @@ CONFIG_SENSORS_MAX6650=m # CONFIG_VGA_CONSOLE is not set # CONFIG_HID_SUPPORT is not set # CONFIG_USB_SUPPORT is not set -CONFIG_RTC_CLASS=m +CONFIG_RTC_CLASS=y CONFIG_RTC_DRV_SA1100=m CONFIG_DMADEVICES=y # CONFIG_DNOTIFY is not set diff --git a/arch/arm/configs/zeus_defconfig b/arch/arm/configs/zeus_defconfig index 960f65514d8..59577ad3f4e 100644 --- a/arch/arm/configs/zeus_defconfig +++ b/arch/arm/configs/zeus_defconfig @@ -158,7 +158,7 @@ CONFIG_LEDS_TRIGGER_HEARTBEAT=m CONFIG_LEDS_TRIGGER_BACKLIGHT=m CONFIG_LEDS_TRIGGER_GPIO=m CONFIG_LEDS_TRIGGER_DEFAULT_ON=m -CONFIG_RTC_CLASS=m +CONFIG_RTC_CLASS=y CONFIG_RTC_DRV_ISL1208=m CONFIG_RTC_DRV_PXA=m CONFIG_EXT2_FS=y diff --git a/arch/arm/include/asm/assembler.h b/arch/arm/include/asm/assembler.h index bc2d2d75f70..65c3f2474f5 100644 --- a/arch/arm/include/asm/assembler.h +++ b/arch/arm/include/asm/assembler.h @@ -13,6 +13,9 @@ * Do not include any C declarations in this file - it is included by * assembler source. */ +#ifndef __ASM_ASSEMBLER_H__ +#define __ASM_ASSEMBLER_H__ + #ifndef __ASSEMBLY__ #error "Only include this from assembly code" #endif @@ -290,3 +293,4 @@ .macro ldrusr, reg, ptr, inc, cond=al, rept=1, abort=9001f usracc ldr, \reg, \ptr, \inc, \cond, \rept, \abort .endm +#endif /* __ASM_ASSEMBLER_H__ */ diff --git a/arch/arm/include/asm/entry-macro-multi.S b/arch/arm/include/asm/entry-macro-multi.S index ec0bbf79c71..2da8547de6d 100644 --- a/arch/arm/include/asm/entry-macro-multi.S +++ b/arch/arm/include/asm/entry-macro-multi.S @@ -1,3 +1,5 @@ +#include <asm/assembler.h> + /* * Interrupt handling. Preserves r7, r8, r9 */ diff --git a/arch/arm/kernel/devtree.c b/arch/arm/kernel/devtree.c index a701e4226a6..0cdd7b456cb 100644 --- a/arch/arm/kernel/devtree.c +++ b/arch/arm/kernel/devtree.c @@ -76,6 +76,9 @@ struct machine_desc * __init setup_machine_fdt(unsigned int dt_phys) unsigned long dt_root; const char *model; + if (!dt_phys) + return NULL; + devtree = phys_to_virt(dt_phys); /* check device tree validity */ diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S index e8d88567680..90c62cd51ca 100644 --- a/arch/arm/kernel/entry-armv.S +++ b/arch/arm/kernel/entry-armv.S @@ -435,6 +435,10 @@ __irq_usr: usr_entry kuser_cmpxchg_check +#ifdef CONFIG_IRQSOFF_TRACER + bl trace_hardirqs_off +#endif + get_thread_info tsk #ifdef CONFIG_PREEMPT ldr r8, [tsk, #TI_PREEMPT] @ get preempt count @@ -453,7 +457,7 @@ __irq_usr: #endif mov why, #0 - b ret_to_user + b ret_to_user_from_irq UNWIND(.fnend ) ENDPROC(__irq_usr) diff --git a/arch/arm/kernel/entry-common.S b/arch/arm/kernel/entry-common.S index 1e7b04a40a3..b2a27b6b004 100644 --- a/arch/arm/kernel/entry-common.S +++ b/arch/arm/kernel/entry-common.S @@ -64,6 +64,7 @@ work_resched: ENTRY(ret_to_user) ret_slow_syscall: disable_irq @ disable interrupts +ENTRY(ret_to_user_from_irq) ldr r1, [tsk, #TI_FLAGS] tst r1, #_TIF_WORK_MASK bne work_pending @@ -75,6 +76,7 @@ no_work_pending: arch_ret_to_user r1, lr restore_user_regs fast = 0, offset = 0 +ENDPROC(ret_to_user_from_irq) ENDPROC(ret_to_user) /* diff --git a/arch/arm/kernel/module.c b/arch/arm/kernel/module.c index fee7c36349e..016d6a0830a 100644 --- a/arch/arm/kernel/module.c +++ b/arch/arm/kernel/module.c @@ -193,8 +193,17 @@ apply_relocate(Elf32_Shdr *sechdrs, const char *strtab, unsigned int symindex, offset -= 0x02000000; offset += sym->st_value - loc; - /* only Thumb addresses allowed (no interworking) */ - if (!(offset & 1) || + /* + * For function symbols, only Thumb addresses are + * allowed (no interworking). + * + * For non-function symbols, the destination + * has no specific ARM/Thumb disposition, so + * the branch is resolved under the assumption + * that interworking is not required. + */ + if ((ELF32_ST_TYPE(sym->st_info) == STT_FUNC && + !(offset & 1)) || offset <= (s32)0xff000000 || offset >= (s32)0x01000000) { pr_err("%s: section %u reloc %u sym '%s': relocation %u out of range (%#lx -> %#x)\n", diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c index 344e52b16c8..e7f92a4321f 100644 --- a/arch/arm/kernel/smp.c +++ b/arch/arm/kernel/smp.c @@ -318,9 +318,13 @@ asmlinkage void __cpuinit secondary_start_kernel(void) smp_store_cpu_info(cpu); /* - * OK, now it's safe to let the boot CPU continue + * OK, now it's safe to let the boot CPU continue. Wait for + * the CPU migration code to notice that the CPU is online + * before we continue. */ set_cpu_online(cpu, true); + while (!cpu_active(cpu)) + cpu_relax(); /* * OK, it's off to the idle thread for us diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c index d52eec268b4..6807cb1e76d 100644 --- a/arch/arm/kernel/traps.c +++ b/arch/arm/kernel/traps.c @@ -139,7 +139,7 @@ static void dump_instr(const char *lvl, struct pt_regs *regs) fs = get_fs(); set_fs(KERNEL_DS); - for (i = -4; i < 1; i++) { + for (i = -4; i < 1 + !!thumb; i++) { unsigned int val, bad; if (thumb) @@ -563,7 +563,7 @@ asmlinkage int arm_syscall(int no, struct pt_regs *regs) if (!pmd_present(*pmd)) goto bad_access; pte = pte_offset_map_lock(mm, pmd, addr, &ptl); - if (!pte_present(*pte) || !pte_dirty(*pte)) { + if (!pte_present(*pte) || !pte_write(*pte) || !pte_dirty(*pte)) { pte_unmap_unlock(pte, ptl); goto bad_access; } diff --git a/arch/arm/mach-davinci/devices-da8xx.c b/arch/arm/mach-davinci/devices-da8xx.c index 4e66881c7ae..fc4e98ea754 100644 --- a/arch/arm/mach-davinci/devices-da8xx.c +++ b/arch/arm/mach-davinci/devices-da8xx.c @@ -494,7 +494,7 @@ static struct platform_device da850_mcasp_device = { .resource = da850_mcasp_resources, }; -struct platform_device davinci_pcm_device = { +static struct platform_device davinci_pcm_device = { .name = "davinci-pcm-audio", .id = -1, }; diff --git a/arch/arm/mach-davinci/devices.c b/arch/arm/mach-davinci/devices.c index 8f4f736aa26..806a2f02b98 100644 --- a/arch/arm/mach-davinci/devices.c +++ b/arch/arm/mach-davinci/devices.c @@ -298,7 +298,7 @@ static void davinci_init_wdt(void) /*-------------------------------------------------------------------------*/ -struct platform_device davinci_pcm_device = { +static struct platform_device davinci_pcm_device = { .name = "davinci-pcm-audio", .id = -1, }; diff --git a/arch/arm/mach-davinci/gpio.c b/arch/arm/mach-davinci/gpio.c index a0b838894ac..e7221398e5a 100644 --- a/arch/arm/mach-davinci/gpio.c +++ b/arch/arm/mach-davinci/gpio.c @@ -252,9 +252,11 @@ static struct irq_chip gpio_irqchip = { static void gpio_irq_handler(unsigned irq, struct irq_desc *desc) { - struct davinci_gpio_regs __iomem *g = irq2regs(irq); + struct davinci_gpio_regs __iomem *g; u32 mask = 0xffff; + g = (__force struct davinci_gpio_regs __iomem *) irq_desc_get_handler_data(desc); + /* we only care about one bank */ if (irq & 1) mask <<= 16; @@ -422,8 +424,7 @@ static int __init davinci_gpio_irq_setup(void) /* set up all irqs in this bank */ irq_set_chained_handler(bank_irq, gpio_irq_handler); - irq_set_chip_data(bank_irq, (__force void *)g); - irq_set_handler_data(bank_irq, (void *)irq); + irq_set_handler_data(bank_irq, (__force void *)g); for (i = 0; i < 16 && gpio < ngpio; i++, irq++, gpio++) { irq_set_chip(irq, &gpio_irqchip); diff --git a/arch/arm/mach-ep93xx/core.c b/arch/arm/mach-ep93xx/core.c index 82079545adc..1d4b65fd673 100644 --- a/arch/arm/mach-ep93xx/core.c +++ b/arch/arm/mach-ep93xx/core.c @@ -402,11 +402,15 @@ static struct resource ep93xx_eth_resource[] = { } }; +static u64 ep93xx_eth_dma_mask = DMA_BIT_MASK(32); + static struct platform_device ep93xx_eth_device = { .name = "ep93xx-eth", .id = -1, .dev = { - .platform_data = &ep93xx_eth_data, + .platform_data = &ep93xx_eth_data, + .coherent_dma_mask = DMA_BIT_MASK(32), + .dma_mask = &ep93xx_eth_dma_mask, }, .num_resources = ARRAY_SIZE(ep93xx_eth_resource), .resource = ep93xx_eth_resource, diff --git a/arch/arm/mach-exynos4/Kconfig b/arch/arm/mach-exynos4/Kconfig index b92c1e55714..1435fc31c4b 100644 --- a/arch/arm/mach-exynos4/Kconfig +++ b/arch/arm/mach-exynos4/Kconfig @@ -91,6 +91,11 @@ config EXYNOS4_SETUP_FIMC help Common setup code for the camera interfaces. +config EXYNOS4_SETUP_USB_PHY + bool + help + Common setup code for USB PHY controller + # machine support menu "EXYNOS4 Machines" @@ -176,6 +181,7 @@ config MACH_NURI select EXYNOS4_SETUP_I2C3 select EXYNOS4_SETUP_I2C5 select EXYNOS4_SETUP_SDHCI + select EXYNOS4_SETUP_USB_PHY select SAMSUNG_DEV_PWM help Machine support for Samsung Mobile NURI Board. diff --git a/arch/arm/mach-exynos4/Makefile b/arch/arm/mach-exynos4/Makefile index a9bb94fabaa..60fe5ecf359 100644 --- a/arch/arm/mach-exynos4/Makefile +++ b/arch/arm/mach-exynos4/Makefile @@ -56,4 +56,4 @@ obj-$(CONFIG_EXYNOS4_SETUP_KEYPAD) += setup-keypad.o obj-$(CONFIG_EXYNOS4_SETUP_SDHCI) += setup-sdhci.o obj-$(CONFIG_EXYNOS4_SETUP_SDHCI_GPIO) += setup-sdhci-gpio.o -obj-$(CONFIG_USB_SUPPORT) += usb-phy.o +obj-$(CONFIG_EXYNOS4_SETUP_USB_PHY) += setup-usb-phy.o diff --git a/arch/arm/mach-exynos4/cpu.c b/arch/arm/mach-exynos4/cpu.c index 08813a6f66b..9babe4473e8 100644 --- a/arch/arm/mach-exynos4/cpu.c +++ b/arch/arm/mach-exynos4/cpu.c @@ -98,7 +98,7 @@ static struct map_desc exynos4_iodesc[] __initdata = { .length = SZ_4K, .type = MT_DEVICE, }, { - .virtual = (unsigned long)S5P_VA_USB_HSPHY, + .virtual = (unsigned long)S3C_VA_USB_HSPHY, .pfn = __phys_to_pfn(EXYNOS4_PA_HSPHY), .length = SZ_4K, .type = MT_DEVICE, diff --git a/arch/arm/mach-exynos4/include/mach/regs-usb-phy.h b/arch/arm/mach-exynos4/include/mach/regs-usb-phy.h index 703118d5173..c337cf3a71b 100644 --- a/arch/arm/mach-exynos4/include/mach/regs-usb-phy.h +++ b/arch/arm/mach-exynos4/include/mach/regs-usb-phy.h @@ -11,7 +11,7 @@ #ifndef __PLAT_S5P_REGS_USB_PHY_H #define __PLAT_S5P_REGS_USB_PHY_H -#define EXYNOS4_HSOTG_PHYREG(x) ((x) + S5P_VA_USB_HSPHY) +#define EXYNOS4_HSOTG_PHYREG(x) ((x) + S3C_VA_USB_HSPHY) #define EXYNOS4_PHYPWR EXYNOS4_HSOTG_PHYREG(0x00) #define PHY1_HSIC_NORMAL_MASK (0xf << 9) diff --git a/arch/arm/mach-exynos4/init.c b/arch/arm/mach-exynos4/init.c index cf91f50e43a..a8a83e3881a 100644 --- a/arch/arm/mach-exynos4/init.c +++ b/arch/arm/mach-exynos4/init.c @@ -35,6 +35,7 @@ void __init exynos4_common_init_uarts(struct s3c2410_uartcfg *cfg, int no) tcfg->clocks = exynos4_serial_clocks; tcfg->clocks_size = ARRAY_SIZE(exynos4_serial_clocks); } + tcfg->flags |= NO_NEED_CHECK_CLKSRC; } s3c24xx_init_uartdevs("s5pv210-uart", s5p_uart_resources, cfg, no); diff --git a/arch/arm/mach-exynos4/usb-phy.c b/arch/arm/mach-exynos4/setup-usb-phy.c index 0883c1b824b..0883c1b824b 100644 --- a/arch/arm/mach-exynos4/usb-phy.c +++ b/arch/arm/mach-exynos4/setup-usb-phy.c diff --git a/arch/arm/mach-exynos4/time.c b/arch/arm/mach-exynos4/time.c index 86b9fa0d363..ebb8f38d540 100644 --- a/arch/arm/mach-exynos4/time.c +++ b/arch/arm/mach-exynos4/time.c @@ -206,6 +206,7 @@ static cycle_t exynos4_pwm4_read(struct clocksource *cs) return (cycle_t) ~__raw_readl(S3C_TIMERREG(0x40)); } +#ifdef CONFIG_PM static void exynos4_pwm4_resume(struct clocksource *cs) { unsigned long pclk; @@ -218,6 +219,7 @@ static void exynos4_pwm4_resume(struct clocksource *cs) exynos4_pwm_init(4, ~0); exynos4_pwm_start(4, 1); } +#endif struct clocksource pwm_clocksource = { .name = "pwm_timer4", diff --git a/arch/arm/mach-footbridge/dc21285-timer.c b/arch/arm/mach-footbridge/dc21285-timer.c index 5f1f9867fc7..121ad1d4fa3 100644 --- a/arch/arm/mach-footbridge/dc21285-timer.c +++ b/arch/arm/mach-footbridge/dc21285-timer.c @@ -103,6 +103,7 @@ static void __init footbridge_timer_init(void) clockevents_calc_mult_shift(ce, mem_fclk_21285, 5); ce->max_delta_ns = clockevent_delta2ns(0xffffff, ce); ce->min_delta_ns = clockevent_delta2ns(0x000004, ce); + ce->cpumask = cpumask_of(smp_processor_id()); clockevents_register_device(ce); } diff --git a/arch/arm/mach-footbridge/include/mach/debug-macro.S b/arch/arm/mach-footbridge/include/mach/debug-macro.S index 30b971d6581..1be2eeb7a0a 100644 --- a/arch/arm/mach-footbridge/include/mach/debug-macro.S +++ b/arch/arm/mach-footbridge/include/mach/debug-macro.S @@ -26,6 +26,7 @@ #include <asm/hardware/debug-8250.S> #else +#include <mach/hardware.h> /* For EBSA285 debugging */ .equ dc21285_high, ARMCSR_BASE & 0xff000000 .equ dc21285_low, ARMCSR_BASE & 0x00ffffff @@ -36,8 +37,8 @@ .else mov \rp, #0 .endif - orr \rv, \rp, #0x42000000 - orr \rp, \rp, #dc21285_high + orr \rv, \rp, #dc21285_high + orr \rp, \rp, #0x42000000 .endm .macro senduart,rd,rx diff --git a/arch/arm/mach-h720x/Kconfig b/arch/arm/mach-h720x/Kconfig index 9b6982efbd2..abf356c0234 100644 --- a/arch/arm/mach-h720x/Kconfig +++ b/arch/arm/mach-h720x/Kconfig @@ -6,12 +6,14 @@ config ARCH_H7201 bool "gms30c7201" depends on ARCH_H720X select CPU_H7201 + select ZONE_DMA help Say Y here if you are using the Hynix GMS30C7201 Reference Board config ARCH_H7202 bool "hms30c7202" select CPU_H7202 + select ZONE_DMA depends on ARCH_H720X help Say Y here if you are using the Hynix HMS30C7202 Reference Board diff --git a/arch/arm/mach-msm/timer.c b/arch/arm/mach-msm/timer.c index 38b95e949d1..63621f152c9 100644 --- a/arch/arm/mach-msm/timer.c +++ b/arch/arm/mach-msm/timer.c @@ -23,6 +23,8 @@ #include <linux/io.h> #include <asm/mach/time.h> +#include <asm/hardware/gic.h> + #include <mach/msm_iomap.h> #include <mach/cpu.h> @@ -55,10 +57,12 @@ enum timer_location { #if defined(CONFIG_ARCH_QSD8X50) #define DGT_HZ (19200000 / 4) /* 19.2 MHz / 4 by default */ #define MSM_DGT_SHIFT (0) -#elif defined(CONFIG_ARCH_MSM7X30) || defined(CONFIG_ARCH_MSM8X60) || \ - defined(CONFIG_ARCH_MSM8960) +#elif defined(CONFIG_ARCH_MSM7X30) #define DGT_HZ (24576000 / 4) /* 24.576 MHz (LPXO) / 4 by default */ #define MSM_DGT_SHIFT (0) +#elif defined(CONFIG_ARCH_MSM8X60) || defined(CONFIG_ARCH_MSM8960) +#define DGT_HZ (27000000 / 4) /* 27 MHz (PXO) / 4 by default */ +#define MSM_DGT_SHIFT (0) #else #define DGT_HZ 19200000 /* 19.2 MHz or 600 KHz after shift */ #define MSM_DGT_SHIFT (5) @@ -100,7 +104,11 @@ static cycle_t msm_read_timer_count(struct clocksource *cs) { struct msm_clock *clk = container_of(cs, struct msm_clock, clocksource); - return readl(clk->global_counter); + /* + * Shift timer count down by a constant due to unreliable lower bits + * on some targets. + */ + return readl(clk->global_counter) >> clk->shift; } static struct msm_clock *clockevent_to_clock(struct clock_event_device *evt) diff --git a/arch/arm/mach-mxs/ocotp.c b/arch/arm/mach-mxs/ocotp.c index 65157a35dbb..54add60f94c 100644 --- a/arch/arm/mach-mxs/ocotp.c +++ b/arch/arm/mach-mxs/ocotp.c @@ -16,6 +16,8 @@ #include <linux/err.h> #include <linux/mutex.h> +#include <asm/processor.h> /* for cpu_relax() */ + #include <mach/mxs.h> #define OCOTP_WORD_OFFSET 0x20 diff --git a/arch/arm/mach-omap1/Makefile b/arch/arm/mach-omap1/Makefile index af98117043d..5b114d1558c 100644 --- a/arch/arm/mach-omap1/Makefile +++ b/arch/arm/mach-omap1/Makefile @@ -4,14 +4,14 @@ # Common support obj-y := io.o id.o sram.o time.o irq.o mux.o flash.o serial.o devices.o dma.o -obj-y += clock.o clock_data.o opp_data.o reset.o +obj-y += clock.o clock_data.o opp_data.o reset.o pm_bus.o obj-$(CONFIG_OMAP_MCBSP) += mcbsp.o obj-$(CONFIG_OMAP_32K_TIMER) += timer32k.o # Power Management -obj-$(CONFIG_PM) += pm.o sleep.o pm_bus.o +obj-$(CONFIG_PM) += pm.o sleep.o # DSP obj-$(CONFIG_OMAP_MBOX_FWK) += mailbox_mach.o diff --git a/arch/arm/mach-omap1/pm_bus.c b/arch/arm/mach-omap1/pm_bus.c index fe31d933f0e..334fb8871bc 100644 --- a/arch/arm/mach-omap1/pm_bus.c +++ b/arch/arm/mach-omap1/pm_bus.c @@ -56,9 +56,13 @@ static struct dev_power_domain default_power_domain = { USE_PLATFORM_PM_SLEEP_OPS }, }; +#define OMAP1_PWR_DOMAIN (&default_power_domain) +#else +#define OMAP1_PWR_DOMAIN NULL +#endif /* CONFIG_PM_RUNTIME */ static struct pm_clk_notifier_block platform_bus_notifier = { - .pwr_domain = &default_power_domain, + .pwr_domain = OMAP1_PWR_DOMAIN, .con_ids = { "ick", "fck", NULL, }, }; @@ -72,4 +76,4 @@ static int __init omap1_pm_runtime_init(void) return 0; } core_initcall(omap1_pm_runtime_init); -#endif /* CONFIG_PM_RUNTIME */ + diff --git a/arch/arm/mach-omap2/board-omap3pandora.c b/arch/arm/mach-omap2/board-omap3pandora.c index 2a0bb4818ca..23f71d40883 100644 --- a/arch/arm/mach-omap2/board-omap3pandora.c +++ b/arch/arm/mach-omap2/board-omap3pandora.c @@ -84,7 +84,8 @@ static struct mtd_partition omap3pandora_nand_partitions[] = { static struct omap_nand_platform_data pandora_nand_data = { .cs = 0, - .devsize = 1, /* '0' for 8-bit, '1' for 16-bit device */ + .devsize = NAND_BUSWIDTH_16, + .xfer_type = NAND_OMAP_PREFETCH_DMA, .parts = omap3pandora_nand_partitions, .nr_parts = ARRAY_SIZE(omap3pandora_nand_partitions), }; diff --git a/arch/arm/mach-omap2/pm-debug.c b/arch/arm/mach-omap2/pm-debug.c index a5a83b358dd..e01da45c053 100644 --- a/arch/arm/mach-omap2/pm-debug.c +++ b/arch/arm/mach-omap2/pm-debug.c @@ -189,7 +189,7 @@ static struct dentry *pm_dbg_dir; static int pm_dbg_init_done; -static int __init pm_dbg_init(void); +static int pm_dbg_init(void); enum { DEBUG_FILE_COUNTERS = 0, @@ -595,7 +595,7 @@ static int option_set(void *data, u64 val) DEFINE_SIMPLE_ATTRIBUTE(pm_dbg_option_fops, option_get, option_set, "%llu\n"); -static int __init pm_dbg_init(void) +static int pm_dbg_init(void) { int i; struct dentry *d; diff --git a/arch/arm/mach-pxa/spitz_pm.c b/arch/arm/mach-pxa/spitz_pm.c index 7fe74067d85..094279aefe9 100644 --- a/arch/arm/mach-pxa/spitz_pm.c +++ b/arch/arm/mach-pxa/spitz_pm.c @@ -14,6 +14,7 @@ #include <linux/init.h> #include <linux/kernel.h> #include <linux/delay.h> +#include <linux/gpio.h> #include <linux/interrupt.h> #include <linux/platform_device.h> #include <linux/apm-emulation.h> diff --git a/arch/arm/mach-s3c2410/Makefile b/arch/arm/mach-s3c2410/Makefile index 0d468e96e83..81695353d8f 100644 --- a/arch/arm/mach-s3c2410/Makefile +++ b/arch/arm/mach-s3c2410/Makefile @@ -10,7 +10,6 @@ obj-n := obj- := obj-$(CONFIG_CPU_S3C2410) += s3c2410.o -obj-$(CONFIG_CPU_S3C2410) += irq.o obj-$(CONFIG_CPU_S3C2410_DMA) += dma.o obj-$(CONFIG_CPU_S3C2410_DMA) += dma.o obj-$(CONFIG_S3C2410_PM) += pm.o sleep.o diff --git a/arch/arm/mach-s3c2410/irq.c b/arch/arm/mach-s3c2410/irq.c deleted file mode 100644 index 2854129f8cc..00000000000 --- a/arch/arm/mach-s3c2410/irq.c +++ /dev/null @@ -1,34 +0,0 @@ -/* linux/arch/arm/mach-s3c2410/irq.c - * - * Copyright (c) 2006 Simtec Electronics - * Ben Dooks <ben@simtec.co.uk> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * -*/ - -#include <linux/init.h> -#include <linux/module.h> -#include <linux/interrupt.h> -#include <linux/ioport.h> -#include <linux/syscore_ops.h> - -#include <plat/cpu.h> -#include <plat/pm.h> - -struct syscore_ops s3c24xx_irq_syscore_ops = { - .suspend = s3c24xx_irq_suspend, - .resume = s3c24xx_irq_resume, -}; diff --git a/arch/arm/mach-s5pv210/cpufreq.c b/arch/arm/mach-s5pv210/cpufreq.c index 22046e2f53c..153af8b359e 100644 --- a/arch/arm/mach-s5pv210/cpufreq.c +++ b/arch/arm/mach-s5pv210/cpufreq.c @@ -101,12 +101,14 @@ static void s5pv210_set_refresh(enum s5pv210_dmc_port ch, unsigned long freq) unsigned long tmp, tmp1; void __iomem *reg = NULL; - if (ch == DMC0) + if (ch == DMC0) { reg = (S5P_VA_DMC0 + 0x30); - else if (ch == DMC1) + } else if (ch == DMC1) { reg = (S5P_VA_DMC1 + 0x30); - else + } else { printk(KERN_ERR "Cannot find DMC port\n"); + return; + } /* Find current DRAM frequency */ tmp = s5pv210_dram_conf[ch].freq; diff --git a/arch/arm/mach-shmobile/board-ag5evm.c b/arch/arm/mach-shmobile/board-ag5evm.c index c95258c274c..1e2aba23e0d 100644 --- a/arch/arm/mach-shmobile/board-ag5evm.c +++ b/arch/arm/mach-shmobile/board-ag5evm.c @@ -382,10 +382,8 @@ void ag5evm_sdhi1_set_pwr(struct platform_device *pdev, int state) } static struct sh_mobile_sdhi_info sh_sdhi1_platdata = { - .dma_slave_tx = SHDMA_SLAVE_SDHI1_TX, - .dma_slave_rx = SHDMA_SLAVE_SDHI1_RX, .tmio_flags = TMIO_MMC_WRPROTECT_DISABLE, - .tmio_caps = MMC_CAP_NONREMOVABLE, + .tmio_caps = MMC_CAP_NONREMOVABLE | MMC_CAP_SDIO_IRQ, .tmio_ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, .set_pwr = ag5evm_sdhi1_set_pwr, }; diff --git a/arch/arm/mach-shmobile/board-mackerel.c b/arch/arm/mach-shmobile/board-mackerel.c index 776f20560e7..7e1d3758432 100644 --- a/arch/arm/mach-shmobile/board-mackerel.c +++ b/arch/arm/mach-shmobile/board-mackerel.c @@ -126,7 +126,7 @@ * ------+--------------------+--------------------+------- * IRQ0 | ICR1A.IRQ0SA=0010 | SDHI2 card detect | Low * IRQ6 | ICR1A.IRQ6SA=0011 | Ether(LAN9220) | High - * IRQ7 | ICR1A.IRQ7SA=0010 | LCD Tuch Panel | Low + * IRQ7 | ICR1A.IRQ7SA=0010 | LCD Touch Panel | Low * IRQ8 | ICR2A.IRQ8SA=0010 | MMC/SD card detect | Low * IRQ9 | ICR2A.IRQ9SA=0010 | KEY(TCA6408) | Low * IRQ21 | ICR4A.IRQ21SA=0011 | Sensor(ADXL345) | High @@ -165,10 +165,10 @@ * USB1 can become Host by r8a66597, and become Function by renesas_usbhs. * But don't select both drivers in same time. * These uses same IRQ number for request_irq(), and aren't supporting - * IRQF_SHARD / IORESOURCE_IRQ_SHAREABLE. + * IRQF_SHARED / IORESOURCE_IRQ_SHAREABLE. * * Actually these are old/new version of USB driver. - * This mean its register will be broken if it supports SHARD IRQ, + * This mean its register will be broken if it supports shared IRQ, */ /* @@ -562,7 +562,121 @@ out: clk_put(hdmi_ick); } -/* USB1 (Host) */ +/* USBHS0 is connected to CN22 which takes a USB Mini-B plug + * + * The sh7372 SoC has IRQ7 set aside for USBHS0 hotplug, + * but on this particular board IRQ7 is already used by + * the touch screen. This leaves us with software polling. + */ +#define USBHS0_POLL_INTERVAL (HZ * 5) + +struct usbhs_private { + unsigned int usbphyaddr; + unsigned int usbcrcaddr; + struct renesas_usbhs_platform_info info; + struct delayed_work work; + struct platform_device *pdev; +}; + +#define usbhs_get_priv(pdev) \ + container_of(renesas_usbhs_get_info(pdev), \ + struct usbhs_private, info) + +#define usbhs_is_connected(priv) \ + (!((1 << 7) & __raw_readw(priv->usbcrcaddr))) + +static int usbhs_get_vbus(struct platform_device *pdev) +{ + return usbhs_is_connected(usbhs_get_priv(pdev)); +} + +static void usbhs_phy_reset(struct platform_device *pdev) +{ + struct usbhs_private *priv = usbhs_get_priv(pdev); + + /* init phy */ + __raw_writew(0x8a0a, priv->usbcrcaddr); +} + +static int usbhs0_get_id(struct platform_device *pdev) +{ + return USBHS_GADGET; +} + +static void usbhs0_work_function(struct work_struct *work) +{ + struct usbhs_private *priv = container_of(work, struct usbhs_private, + work.work); + + renesas_usbhs_call_notify_hotplug(priv->pdev); + schedule_delayed_work(&priv->work, USBHS0_POLL_INTERVAL); +} + +static int usbhs0_hardware_init(struct platform_device *pdev) +{ + struct usbhs_private *priv = usbhs_get_priv(pdev); + + priv->pdev = pdev; + INIT_DELAYED_WORK(&priv->work, usbhs0_work_function); + schedule_delayed_work(&priv->work, USBHS0_POLL_INTERVAL); + return 0; +} + +static void usbhs0_hardware_exit(struct platform_device *pdev) +{ + struct usbhs_private *priv = usbhs_get_priv(pdev); + + cancel_delayed_work_sync(&priv->work); +} + +static struct usbhs_private usbhs0_private = { + .usbcrcaddr = 0xe605810c, /* USBCR2 */ + .info = { + .platform_callback = { + .hardware_init = usbhs0_hardware_init, + .hardware_exit = usbhs0_hardware_exit, + .phy_reset = usbhs_phy_reset, + .get_id = usbhs0_get_id, + .get_vbus = usbhs_get_vbus, + }, + .driver_param = { + .buswait_bwait = 4, + }, + }, +}; + +static struct resource usbhs0_resources[] = { + [0] = { + .name = "USBHS0", + .start = 0xe6890000, + .end = 0xe68900e6 - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = evt2irq(0x1ca0) /* USB0_USB0I0 */, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device usbhs0_device = { + .name = "renesas_usbhs", + .id = 0, + .dev = { + .platform_data = &usbhs0_private.info, + }, + .num_resources = ARRAY_SIZE(usbhs0_resources), + .resource = usbhs0_resources, +}; + +/* USBHS1 is connected to CN31 which takes a USB Mini-AB plug + * + * Use J30 to select between Host and Function. This setting + * can however not be detected by software. Hotplug of USBHS1 + * is provided via IRQ8. + */ +#define IRQ8 evt2irq(0x0300) + +/* USBHS1 USB Host support via r8a66597_hcd */ static void usb1_host_port_power(int port, int power) { if (!power) /* only power-on is supported for now */ @@ -579,9 +693,9 @@ static struct r8a66597_platdata usb1_host_data = { static struct resource usb1_host_resources[] = { [0] = { - .name = "USBHS", - .start = 0xE68B0000, - .end = 0xE68B00E6 - 1, + .name = "USBHS1", + .start = 0xe68b0000, + .end = 0xe68b00e6 - 1, .flags = IORESOURCE_MEM, }, [1] = { @@ -602,37 +716,14 @@ static struct platform_device usb1_host_device = { .resource = usb1_host_resources, }; -/* USB1 (Function) */ +/* USBHS1 USB Function support via renesas_usbhs */ + #define USB_PHY_MODE (1 << 4) #define USB_PHY_INT_EN ((1 << 3) | (1 << 2)) #define USB_PHY_ON (1 << 1) #define USB_PHY_OFF (1 << 0) #define USB_PHY_INT_CLR (USB_PHY_ON | USB_PHY_OFF) -struct usbhs_private { - unsigned int irq; - unsigned int usbphyaddr; - unsigned int usbcrcaddr; - struct renesas_usbhs_platform_info info; -}; - -#define usbhs_get_priv(pdev) \ - container_of(renesas_usbhs_get_info(pdev), \ - struct usbhs_private, info) - -#define usbhs_is_connected(priv) \ - (!((1 << 7) & __raw_readw(priv->usbcrcaddr))) - -static int usbhs1_get_id(struct platform_device *pdev) -{ - return USBHS_GADGET; -} - -static int usbhs1_get_vbus(struct platform_device *pdev) -{ - return usbhs_is_connected(usbhs_get_priv(pdev)); -} - static irqreturn_t usbhs1_interrupt(int irq, void *data) { struct platform_device *pdev = data; @@ -654,12 +745,10 @@ static int usbhs1_hardware_init(struct platform_device *pdev) struct usbhs_private *priv = usbhs_get_priv(pdev); int ret; - irq_set_irq_type(priv->irq, IRQ_TYPE_LEVEL_HIGH); - /* clear interrupt status */ __raw_writew(USB_PHY_MODE | USB_PHY_INT_CLR, priv->usbphyaddr); - ret = request_irq(priv->irq, usbhs1_interrupt, 0, + ret = request_irq(IRQ8, usbhs1_interrupt, IRQF_TRIGGER_HIGH, dev_name(&pdev->dev), pdev); if (ret) { dev_err(&pdev->dev, "request_irq err\n"); @@ -679,15 +768,12 @@ static void usbhs1_hardware_exit(struct platform_device *pdev) /* clear interrupt status */ __raw_writew(USB_PHY_MODE | USB_PHY_INT_CLR, priv->usbphyaddr); - free_irq(priv->irq, pdev); + free_irq(IRQ8, pdev); } -static void usbhs1_phy_reset(struct platform_device *pdev) +static int usbhs1_get_id(struct platform_device *pdev) { - struct usbhs_private *priv = usbhs_get_priv(pdev); - - /* init phy */ - __raw_writew(0x8a0a, priv->usbcrcaddr); + return USBHS_GADGET; } static u32 usbhs1_pipe_cfg[] = { @@ -710,16 +796,15 @@ static u32 usbhs1_pipe_cfg[] = { }; static struct usbhs_private usbhs1_private = { - .irq = evt2irq(0x0300), /* IRQ8 */ - .usbphyaddr = 0xE60581E2, /* USBPHY1INTAP */ - .usbcrcaddr = 0xE6058130, /* USBCR4 */ + .usbphyaddr = 0xe60581e2, /* USBPHY1INTAP */ + .usbcrcaddr = 0xe6058130, /* USBCR4 */ .info = { .platform_callback = { .hardware_init = usbhs1_hardware_init, .hardware_exit = usbhs1_hardware_exit, - .phy_reset = usbhs1_phy_reset, .get_id = usbhs1_get_id, - .get_vbus = usbhs1_get_vbus, + .phy_reset = usbhs_phy_reset, + .get_vbus = usbhs_get_vbus, }, .driver_param = { .buswait_bwait = 4, @@ -731,9 +816,9 @@ static struct usbhs_private usbhs1_private = { static struct resource usbhs1_resources[] = { [0] = { - .name = "USBHS", - .start = 0xE68B0000, - .end = 0xE68B00E6 - 1, + .name = "USBHS1", + .start = 0xe68b0000, + .end = 0xe68b00e6 - 1, .flags = IORESOURCE_MEM, }, [1] = { @@ -752,7 +837,6 @@ static struct platform_device usbhs1_device = { .resource = usbhs1_resources, }; - /* LED */ static struct gpio_led mackerel_leds[] = { { @@ -1203,6 +1287,7 @@ static struct platform_device *mackerel_devices[] __initdata = { &nor_flash_device, &smc911x_device, &lcdc_device, + &usbhs0_device, &usb1_host_device, &usbhs1_device, &leds_device, @@ -1301,6 +1386,7 @@ static void __init mackerel_map_io(void) #define GPIO_PORT9CR 0xE6051009 #define GPIO_PORT10CR 0xE605100A +#define GPIO_PORT167CR 0xE60520A7 #define GPIO_PORT168CR 0xE60520A8 #define SRCR4 0xe61580bc #define USCCR1 0xE6058144 @@ -1354,17 +1440,17 @@ static void __init mackerel_init(void) gpio_request(GPIO_PORT151, NULL); /* LCDDON */ gpio_direction_output(GPIO_PORT151, 1); - /* USB enable */ - gpio_request(GPIO_FN_VBUS0_1, NULL); - gpio_request(GPIO_FN_IDIN_1_18, NULL); - gpio_request(GPIO_FN_PWEN_1_115, NULL); - gpio_request(GPIO_FN_OVCN_1_114, NULL); - gpio_request(GPIO_FN_EXTLP_1, NULL); - gpio_request(GPIO_FN_OVCN2_1, NULL); - gpio_pull_down(GPIO_PORT168CR); - - /* setup USB phy */ - __raw_writew(0x8a0a, 0xE6058130); /* USBCR4 */ + /* USBHS0 */ + gpio_request(GPIO_FN_VBUS0_0, NULL); + gpio_pull_down(GPIO_PORT168CR); /* VBUS0_0 pull down */ + + /* USBHS1 */ + gpio_request(GPIO_FN_VBUS0_1, NULL); + gpio_pull_down(GPIO_PORT167CR); /* VBUS0_1 pull down */ + gpio_request(GPIO_FN_IDIN_1_113, NULL); + + /* USB phy tweak to make the r8a66597_hcd host driver work */ + __raw_writew(0x8a0a, 0xe6058130); /* USBCR4 */ /* enable FSI2 port A (ak4643) */ gpio_request(GPIO_FN_FSIAIBT, NULL); diff --git a/arch/arm/mach-shmobile/intc-sh73a0.c b/arch/arm/mach-shmobile/intc-sh73a0.c index 5d0e1503ece..a911a60e771 100644 --- a/arch/arm/mach-shmobile/intc-sh73a0.c +++ b/arch/arm/mach-shmobile/intc-sh73a0.c @@ -250,6 +250,11 @@ static irqreturn_t sh73a0_intcs_demux(int irq, void *dev_id) return IRQ_HANDLED; } +static int sh73a0_set_wake(struct irq_data *data, unsigned int on) +{ + return 0; /* always allow wakeup */ +} + void __init sh73a0_init_irq(void) { void __iomem *gic_dist_base = __io(0xf0001000); @@ -257,6 +262,7 @@ void __init sh73a0_init_irq(void) void __iomem *intevtsa = ioremap_nocache(0xffd20100, PAGE_SIZE); gic_init(0, 29, gic_dist_base, gic_cpu_base); + gic_arch_extn.irq_set_wake = sh73a0_set_wake; register_intc_controller(&intcs_desc); diff --git a/arch/arm/mach-shmobile/setup-sh7367.c b/arch/arm/mach-shmobile/setup-sh7367.c index 2c10190dbb5..e546017f15d 100644 --- a/arch/arm/mach-shmobile/setup-sh7367.c +++ b/arch/arm/mach-shmobile/setup-sh7367.c @@ -38,7 +38,7 @@ static struct plat_sci_port scif0_platform_data = { .flags = UPF_BOOT_AUTOCONF, .scscr = SCSCR_RE | SCSCR_TE, .scbrr_algo_id = SCBRR_ALGO_4, - .type = PORT_SCIF, + .type = PORT_SCIFA, .irqs = { evt2irq(0xc00), evt2irq(0xc00), evt2irq(0xc00), evt2irq(0xc00) }, }; @@ -57,7 +57,7 @@ static struct plat_sci_port scif1_platform_data = { .flags = UPF_BOOT_AUTOCONF, .scscr = SCSCR_RE | SCSCR_TE, .scbrr_algo_id = SCBRR_ALGO_4, - .type = PORT_SCIF, + .type = PORT_SCIFA, .irqs = { evt2irq(0xc20), evt2irq(0xc20), evt2irq(0xc20), evt2irq(0xc20) }, }; @@ -76,7 +76,7 @@ static struct plat_sci_port scif2_platform_data = { .flags = UPF_BOOT_AUTOCONF, .scscr = SCSCR_RE | SCSCR_TE, .scbrr_algo_id = SCBRR_ALGO_4, - .type = PORT_SCIF, + .type = PORT_SCIFA, .irqs = { evt2irq(0xc40), evt2irq(0xc40), evt2irq(0xc40), evt2irq(0xc40) }, }; @@ -95,7 +95,7 @@ static struct plat_sci_port scif3_platform_data = { .flags = UPF_BOOT_AUTOCONF, .scscr = SCSCR_RE | SCSCR_TE, .scbrr_algo_id = SCBRR_ALGO_4, - .type = PORT_SCIF, + .type = PORT_SCIFA, .irqs = { evt2irq(0xc60), evt2irq(0xc60), evt2irq(0xc60), evt2irq(0xc60) }, }; @@ -114,7 +114,7 @@ static struct plat_sci_port scif4_platform_data = { .flags = UPF_BOOT_AUTOCONF, .scscr = SCSCR_RE | SCSCR_TE, .scbrr_algo_id = SCBRR_ALGO_4, - .type = PORT_SCIF, + .type = PORT_SCIFA, .irqs = { evt2irq(0xd20), evt2irq(0xd20), evt2irq(0xd20), evt2irq(0xd20) }, }; @@ -133,7 +133,7 @@ static struct plat_sci_port scif5_platform_data = { .flags = UPF_BOOT_AUTOCONF, .scscr = SCSCR_RE | SCSCR_TE, .scbrr_algo_id = SCBRR_ALGO_4, - .type = PORT_SCIF, + .type = PORT_SCIFA, .irqs = { evt2irq(0xd40), evt2irq(0xd40), evt2irq(0xd40), evt2irq(0xd40) }, }; @@ -152,7 +152,7 @@ static struct plat_sci_port scif6_platform_data = { .flags = UPF_BOOT_AUTOCONF, .scscr = SCSCR_RE | SCSCR_TE, .scbrr_algo_id = SCBRR_ALGO_4, - .type = PORT_SCIF, + .type = PORT_SCIFB, .irqs = { evt2irq(0xd60), evt2irq(0xd60), evt2irq(0xd60), evt2irq(0xd60) }, }; diff --git a/arch/arm/mach-u300/clock.h b/arch/arm/mach-u300/clock.h index c34f3ea3017..4f50ca8f901 100644 --- a/arch/arm/mach-u300/clock.h +++ b/arch/arm/mach-u300/clock.h @@ -31,7 +31,7 @@ struct clk { bool reset; __u16 clk_val; __s8 usecount; - __u32 res_reg; + void __iomem * res_reg; __u16 res_mask; bool hw_ctrld; diff --git a/arch/arm/mach-u300/include/mach/u300-regs.h b/arch/arm/mach-u300/include/mach/u300-regs.h index 8b85df4c8d8..035fdc9dbdb 100644 --- a/arch/arm/mach-u300/include/mach/u300-regs.h +++ b/arch/arm/mach-u300/include/mach/u300-regs.h @@ -18,6 +18,12 @@ * the defines are used for setting up the I/O memory mapping. */ +#ifdef __ASSEMBLER__ +#define IOMEM(a) (a) +#else +#define IOMEM(a) (void __iomem *) a +#endif + /* NAND Flash CS0 */ #define U300_NAND_CS0_PHYS_BASE 0x80000000 @@ -48,13 +54,6 @@ #endif /* - * All the following peripherals are specified at their PHYSICAL address, - * so if you need to access them (in the kernel), you MUST use the macros - * defined in <asm/io.h> to map to the IO_ADDRESS_AHB() IO_ADDRESS_FAST() - * etc. - */ - -/* * AHB peripherals */ @@ -63,11 +62,11 @@ /* Vectored Interrupt Controller 0, servicing 32 interrupts */ #define U300_INTCON0_BASE (U300_AHB_PER_PHYS_BASE+0x1000) -#define U300_INTCON0_VBASE (U300_AHB_PER_VIRT_BASE+0x1000) +#define U300_INTCON0_VBASE IOMEM(U300_AHB_PER_VIRT_BASE+0x1000) /* Vectored Interrupt Controller 1, servicing 32 interrupts */ #define U300_INTCON1_BASE (U300_AHB_PER_PHYS_BASE+0x2000) -#define U300_INTCON1_VBASE (U300_AHB_PER_VIRT_BASE+0x2000) +#define U300_INTCON1_VBASE IOMEM(U300_AHB_PER_VIRT_BASE+0x2000) /* Memory Stick Pro (MSPRO) controller */ #define U300_MSPRO_BASE (U300_AHB_PER_PHYS_BASE+0x3000) @@ -115,7 +114,7 @@ /* SYSCON */ #define U300_SYSCON_BASE (U300_SLOW_PER_PHYS_BASE+0x1000) -#define U300_SYSCON_VBASE (U300_SLOW_PER_VIRT_BASE+0x1000) +#define U300_SYSCON_VBASE IOMEM(U300_SLOW_PER_VIRT_BASE+0x1000) /* Watchdog */ #define U300_WDOG_BASE (U300_SLOW_PER_PHYS_BASE+0x2000) @@ -125,7 +124,7 @@ /* APP side special timer */ #define U300_TIMER_APP_BASE (U300_SLOW_PER_PHYS_BASE+0x4000) -#define U300_TIMER_APP_VBASE (U300_SLOW_PER_VIRT_BASE+0x4000) +#define U300_TIMER_APP_VBASE IOMEM(U300_SLOW_PER_VIRT_BASE+0x4000) /* Keypad */ #define U300_KEYPAD_BASE (U300_SLOW_PER_PHYS_BASE+0x5000) @@ -181,5 +180,4 @@ * Virtual accessor macros for static devices */ - #endif diff --git a/arch/arm/mach-u300/timer.c b/arch/arm/mach-u300/timer.c index 891cf44591e..18d7fa0603c 100644 --- a/arch/arm/mach-u300/timer.c +++ b/arch/arm/mach-u300/timer.c @@ -411,8 +411,7 @@ static void __init u300_timer_init(void) /* Use general purpose timer 2 as clock source */ if (clocksource_mmio_init(U300_TIMER_APP_VBASE + U300_TIMER_APP_GPT2CC, "GPT2", rate, 300, 32, clocksource_mmio_readl_up)) - printk(KERN_ERR "timer: failed to initialize clock " - "source %s\n", clocksource_u300_1mhz.name); + pr_err("timer: failed to initialize U300 clock source\n"); clockevents_calc_mult_shift(&clockevent_u300_1mhz, rate, APPTIMER_MIN_RANGE); diff --git a/arch/arm/mach-ux500/board-mop500-pins.c b/arch/arm/mach-ux500/board-mop500-pins.c index fd4cf1ca5ef..70cdbd60596 100644 --- a/arch/arm/mach-ux500/board-mop500-pins.c +++ b/arch/arm/mach-ux500/board-mop500-pins.c @@ -110,10 +110,18 @@ static pin_cfg_t mop500_pins_common[] = { GPIO168_KP_O0, /* UART */ - GPIO0_U0_CTSn | PIN_INPUT_PULLUP, - GPIO1_U0_RTSn | PIN_OUTPUT_HIGH, - GPIO2_U0_RXD | PIN_INPUT_PULLUP, - GPIO3_U0_TXD | PIN_OUTPUT_HIGH, + /* uart-0 pins gpio configuration should be + * kept intact to prevent glitch in tx line + * when tty dev is opened. Later these pins + * are configured to uart mop500_pins_uart0 + * + * It will be replaced with uart configuration + * once the issue is solved. + */ + GPIO0_GPIO | PIN_INPUT_PULLUP, + GPIO1_GPIO | PIN_OUTPUT_HIGH, + GPIO2_GPIO | PIN_INPUT_PULLUP, + GPIO3_GPIO | PIN_OUTPUT_HIGH, GPIO29_U2_RXD | PIN_INPUT_PULLUP, GPIO30_U2_TXD | PIN_OUTPUT_HIGH, diff --git a/arch/arm/mach-ux500/board-mop500.c b/arch/arm/mach-ux500/board-mop500.c index bb26f40493e..2a08c07dec6 100644 --- a/arch/arm/mach-ux500/board-mop500.c +++ b/arch/arm/mach-ux500/board-mop500.c @@ -27,18 +27,21 @@ #include <linux/leds-lp5521.h> #include <linux/input.h> #include <linux/gpio_keys.h> +#include <linux/delay.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> #include <plat/i2c.h> #include <plat/ste_dma40.h> +#include <plat/pincfg.h> #include <mach/hardware.h> #include <mach/setup.h> #include <mach/devices.h> #include <mach/irqs.h> +#include "pins-db8500.h" #include "ste-dma40-db8500.h" #include "devices-db8500.h" #include "board-mop500.h" @@ -393,12 +396,63 @@ static struct stedma40_chan_cfg uart2_dma_cfg_tx = { }; #endif + +static pin_cfg_t mop500_pins_uart0[] = { + GPIO0_U0_CTSn | PIN_INPUT_PULLUP, + GPIO1_U0_RTSn | PIN_OUTPUT_HIGH, + GPIO2_U0_RXD | PIN_INPUT_PULLUP, + GPIO3_U0_TXD | PIN_OUTPUT_HIGH, +}; + +#define PRCC_K_SOFTRST_SET 0x18 +#define PRCC_K_SOFTRST_CLEAR 0x1C +static void ux500_uart0_reset(void) +{ + void __iomem *prcc_rst_set, *prcc_rst_clr; + + prcc_rst_set = (void __iomem *)IO_ADDRESS(U8500_CLKRST1_BASE + + PRCC_K_SOFTRST_SET); + prcc_rst_clr = (void __iomem *)IO_ADDRESS(U8500_CLKRST1_BASE + + PRCC_K_SOFTRST_CLEAR); + + /* Activate soft reset PRCC_K_SOFTRST_CLEAR */ + writel((readl(prcc_rst_clr) | 0x1), prcc_rst_clr); + udelay(1); + + /* Release soft reset PRCC_K_SOFTRST_SET */ + writel((readl(prcc_rst_set) | 0x1), prcc_rst_set); + udelay(1); +} + +static void ux500_uart0_init(void) +{ + int ret; + + ret = nmk_config_pins(mop500_pins_uart0, + ARRAY_SIZE(mop500_pins_uart0)); + if (ret < 0) + pr_err("pl011: uart pins_enable failed\n"); +} + +static void ux500_uart0_exit(void) +{ + int ret; + + ret = nmk_config_pins_sleep(mop500_pins_uart0, + ARRAY_SIZE(mop500_pins_uart0)); + if (ret < 0) + pr_err("pl011: uart pins_disable failed\n"); +} + static struct amba_pl011_data uart0_plat = { #ifdef CONFIG_STE_DMA40 .dma_filter = stedma40_filter, .dma_rx_param = &uart0_dma_cfg_rx, .dma_tx_param = &uart0_dma_cfg_tx, #endif + .init = ux500_uart0_init, + .exit = ux500_uart0_exit, + .reset = ux500_uart0_reset, }; static struct amba_pl011_data uart1_plat = { diff --git a/arch/arm/mach-ux500/cpu-db8500.c b/arch/arm/mach-ux500/cpu-db8500.c index c3c417656bd..4598b06c8c5 100644 --- a/arch/arm/mach-ux500/cpu-db8500.c +++ b/arch/arm/mach-ux500/cpu-db8500.c @@ -159,6 +159,9 @@ static void __init db8500_add_gpios(void) /* No custom data yet */ }; + if (cpu_is_u8500v2()) + pdata.supports_sleepmode = true; + dbx500_add_gpios(ARRAY_AND_SIZE(db8500_gpio_base), IRQ_DB8500_GPIO0, &pdata); } diff --git a/arch/arm/mach-vexpress/v2m.c b/arch/arm/mach-vexpress/v2m.c index 285edcd2da2..9e6b93b1a04 100644 --- a/arch/arm/mach-vexpress/v2m.c +++ b/arch/arm/mach-vexpress/v2m.c @@ -46,12 +46,6 @@ static struct map_desc v2m_io_desc[] __initdata = { }, }; -static void __init v2m_init_early(void) -{ - ct_desc->init_early(); - versatile_sched_clock_init(MMIO_P2V(V2M_SYS_24MHZ), 24000000); -} - static void __init v2m_timer_init(void) { u32 scctrl; @@ -365,6 +359,13 @@ static struct clk_lookup v2m_lookups[] = { }, }; +static void __init v2m_init_early(void) +{ + ct_desc->init_early(); + clkdev_add_table(v2m_lookups, ARRAY_SIZE(v2m_lookups)); + versatile_sched_clock_init(MMIO_P2V(V2M_SYS_24MHZ), 24000000); +} + static void v2m_power_off(void) { if (v2m_cfg_write(SYS_CFG_SHUTDOWN | SYS_CFG_SITE_MB, 0)) @@ -418,8 +419,6 @@ static void __init v2m_init(void) { int i; - clkdev_add_table(v2m_lookups, ARRAY_SIZE(v2m_lookups)); - platform_device_register(&v2m_pcie_i2c_device); platform_device_register(&v2m_ddc_i2c_device); platform_device_register(&v2m_flash_device); diff --git a/arch/arm/mm/context.c b/arch/arm/mm/context.c index 8bfae964b13..b0ee9ba3cfa 100644 --- a/arch/arm/mm/context.c +++ b/arch/arm/mm/context.c @@ -24,7 +24,9 @@ DEFINE_PER_CPU(struct mm_struct *, current_mm); /* * We fork()ed a process, and we need a new context for the child - * to run in. + * to run in. We reserve version 0 for initial tasks so we will + * always allocate an ASID. The ASID 0 is reserved for the TTBR + * register changing sequence. */ void __init_new_context(struct task_struct *tsk, struct mm_struct *mm) { @@ -34,11 +36,8 @@ void __init_new_context(struct task_struct *tsk, struct mm_struct *mm) static void flush_context(void) { - u32 ttb; - /* Copy TTBR1 into TTBR0 */ - asm volatile("mrc p15, 0, %0, c2, c0, 1\n" - "mcr p15, 0, %0, c2, c0, 0" - : "=r" (ttb)); + /* set the reserved ASID before flushing the TLB */ + asm("mcr p15, 0, %0, c13, c0, 1\n" : : "r" (0)); isb(); local_flush_tlb_all(); if (icache_is_vivt_asid_tagged()) { @@ -94,7 +93,7 @@ static void reset_context(void *info) return; smp_rmb(); - asid = cpu_last_asid + cpu; + asid = cpu_last_asid + cpu + 1; flush_context(); set_mm_context(mm, asid); @@ -144,13 +143,13 @@ void __new_context(struct mm_struct *mm) * to start a new version and flush the TLB. */ if (unlikely((asid & ~ASID_MASK) == 0)) { - asid = cpu_last_asid + smp_processor_id(); + asid = cpu_last_asid + smp_processor_id() + 1; flush_context(); #ifdef CONFIG_SMP smp_wmb(); smp_call_function(reset_context, NULL, 1); #endif - cpu_last_asid += NR_CPUS - 1; + cpu_last_asid += NR_CPUS; } set_mm_context(mm, asid); diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c index 2c2cce9cd8c..c19571c40a2 100644 --- a/arch/arm/mm/init.c +++ b/arch/arm/mm/init.c @@ -331,6 +331,12 @@ void __init arm_memblock_init(struct meminfo *mi, struct machine_desc *mdesc) #endif #ifdef CONFIG_BLK_DEV_INITRD if (phys_initrd_size && + !memblock_is_region_memory(phys_initrd_start, phys_initrd_size)) { + pr_err("INITRD: 0x%08lx+0x%08lx is not a memory region - disabling initrd\n", + phys_initrd_start, phys_initrd_size); + phys_initrd_start = phys_initrd_size = 0; + } + if (phys_initrd_size && memblock_is_region_reserved(phys_initrd_start, phys_initrd_size)) { pr_err("INITRD: 0x%08lx+0x%08lx overlaps in-use memory region - disabling initrd\n", phys_initrd_start, phys_initrd_size); @@ -635,7 +641,8 @@ void __init mem_init(void) " modules : 0x%08lx - 0x%08lx (%4ld MB)\n" " .init : 0x%p" " - 0x%p" " (%4d kB)\n" " .text : 0x%p" " - 0x%p" " (%4d kB)\n" - " .data : 0x%p" " - 0x%p" " (%4d kB)\n", + " .data : 0x%p" " - 0x%p" " (%4d kB)\n" + " .bss : 0x%p" " - 0x%p" " (%4d kB)\n", MLK(UL(CONFIG_VECTORS_BASE), UL(CONFIG_VECTORS_BASE) + (PAGE_SIZE)), @@ -657,7 +664,8 @@ void __init mem_init(void) MLK_ROUNDUP(__init_begin, __init_end), MLK_ROUNDUP(_text, _etext), - MLK_ROUNDUP(_sdata, _edata)); + MLK_ROUNDUP(_sdata, _edata), + MLK_ROUNDUP(__bss_start, __bss_stop)); #undef MLK #undef MLM diff --git a/arch/arm/mm/proc-arm7tdmi.S b/arch/arm/mm/proc-arm7tdmi.S index e4c165ca669..537ffcb0646 100644 --- a/arch/arm/mm/proc-arm7tdmi.S +++ b/arch/arm/mm/proc-arm7tdmi.S @@ -146,7 +146,7 @@ __arm7tdmi_proc_info: .long 0 .long 0 .long v4_cache_fns - .size __arm7tdmi_proc_info, . - __arm7dmi_proc_info + .size __arm7tdmi_proc_info, . - __arm7tdmi_proc_info .type __triscenda7_proc_info, #object __triscenda7_proc_info: diff --git a/arch/arm/mm/proc-arm9tdmi.S b/arch/arm/mm/proc-arm9tdmi.S index 7b7ebd4d096..546b54da100 100644 --- a/arch/arm/mm/proc-arm9tdmi.S +++ b/arch/arm/mm/proc-arm9tdmi.S @@ -116,7 +116,7 @@ __arm9tdmi_proc_info: .long 0 .long 0 .long v4_cache_fns - .size __arm9tdmi_proc_info, . - __arm9dmi_proc_info + .size __arm9tdmi_proc_info, . - __arm9tdmi_proc_info .type __p2001_proc_info, #object __p2001_proc_info: diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S index b3b566ec83d..089c0b5e454 100644 --- a/arch/arm/mm/proc-v7.S +++ b/arch/arm/mm/proc-v7.S @@ -108,16 +108,18 @@ ENTRY(cpu_v7_switch_mm) #ifdef CONFIG_ARM_ERRATA_430973 mcr p15, 0, r2, c7, c5, 6 @ flush BTAC/BTB #endif - mrc p15, 0, r2, c2, c0, 1 @ load TTB 1 - mcr p15, 0, r2, c2, c0, 0 @ into TTB 0 +#ifdef CONFIG_ARM_ERRATA_754322 + dsb +#endif + mcr p15, 0, r2, c13, c0, 1 @ set reserved context ID + isb +1: mcr p15, 0, r0, c2, c0, 0 @ set TTB 0 isb #ifdef CONFIG_ARM_ERRATA_754322 dsb #endif mcr p15, 0, r1, c13, c0, 1 @ set context ID isb - mcr p15, 0, r0, c2, c0, 0 @ set TTB 0 - isb #endif mov pc, lr ENDPROC(cpu_v7_switch_mm) @@ -208,19 +210,21 @@ cpu_v7_name: /* Suspend/resume support: derived from arch/arm/mach-s5pv210/sleep.S */ .globl cpu_v7_suspend_size -.equ cpu_v7_suspend_size, 4 * 8 +.equ cpu_v7_suspend_size, 4 * 9 #ifdef CONFIG_PM_SLEEP ENTRY(cpu_v7_do_suspend) stmfd sp!, {r4 - r11, lr} mrc p15, 0, r4, c13, c0, 0 @ FCSE/PID mrc p15, 0, r5, c13, c0, 1 @ Context ID + mrc p15, 0, r6, c13, c0, 3 @ User r/o thread ID + stmia r0!, {r4 - r6} mrc p15, 0, r6, c3, c0, 0 @ Domain ID mrc p15, 0, r7, c2, c0, 0 @ TTB 0 mrc p15, 0, r8, c2, c0, 1 @ TTB 1 mrc p15, 0, r9, c1, c0, 0 @ Control register mrc p15, 0, r10, c1, c0, 1 @ Auxiliary control register mrc p15, 0, r11, c1, c0, 2 @ Co-processor access control - stmia r0, {r4 - r11} + stmia r0, {r6 - r11} ldmfd sp!, {r4 - r11, pc} ENDPROC(cpu_v7_do_suspend) @@ -228,9 +232,11 @@ ENTRY(cpu_v7_do_resume) mov ip, #0 mcr p15, 0, ip, c8, c7, 0 @ invalidate TLBs mcr p15, 0, ip, c7, c5, 0 @ invalidate I cache - ldmia r0, {r4 - r11} + ldmia r0!, {r4 - r6} mcr p15, 0, r4, c13, c0, 0 @ FCSE/PID mcr p15, 0, r5, c13, c0, 1 @ Context ID + mcr p15, 0, r6, c13, c0, 3 @ User r/o thread ID + ldmia r0, {r6 - r11} mcr p15, 0, r6, c3, c0, 0 @ Domain ID mcr p15, 0, r7, c2, c0, 0 @ TTB 0 mcr p15, 0, r8, c2, c0, 1 @ TTB 1 @@ -416,9 +422,9 @@ ENTRY(v7_processor_functions) .word cpu_v7_dcache_clean_area .word cpu_v7_switch_mm .word cpu_v7_set_pte_ext - .word 0 - .word 0 - .word 0 + .word cpu_v7_suspend_size + .word cpu_v7_do_suspend + .word cpu_v7_do_resume .size v7_processor_functions, . - v7_processor_functions .section ".rodata" diff --git a/arch/arm/plat-iop/cp6.c b/arch/arm/plat-iop/cp6.c index 9612a87e2a8..bab73e2c79d 100644 --- a/arch/arm/plat-iop/cp6.c +++ b/arch/arm/plat-iop/cp6.c @@ -18,6 +18,7 @@ */ #include <linux/init.h> #include <asm/traps.h> +#include <asm/ptrace.h> static int cp6_trap(struct pt_regs *regs, unsigned int instr) { diff --git a/arch/arm/plat-mxc/devices/platform-imx-dma.c b/arch/arm/plat-mxc/devices/platform-imx-dma.c index 3538b85ede9..b130f60ca6b 100644 --- a/arch/arm/plat-mxc/devices/platform-imx-dma.c +++ b/arch/arm/plat-mxc/devices/platform-imx-dma.c @@ -139,7 +139,7 @@ static struct sdma_script_start_addrs addr_imx35_to2 = { #endif #ifdef CONFIG_SOC_IMX51 -static struct sdma_script_start_addrs addr_imx51_to1 = { +static struct sdma_script_start_addrs addr_imx51 = { .ap_2_ap_addr = 642, .uart_2_mcu_addr = 817, .mcu_2_app_addr = 747, @@ -196,7 +196,9 @@ static int __init imxXX_add_imx_dma(void) #if defined(CONFIG_SOC_IMX51) if (cpu_is_mx51()) { - imx51_imx_sdma_data.pdata.script_addrs = &addr_imx51_to1; + int to_version = mx51_revision() >> 4; + imx51_imx_sdma_data.pdata.to_version = to_version; + imx51_imx_sdma_data.pdata.script_addrs = &addr_imx51; ret = imx_add_imx_sdma(&imx51_imx_sdma_data); } else #endif diff --git a/arch/arm/plat-nomadik/include/plat/gpio.h b/arch/arm/plat-nomadik/include/plat/gpio.h index ea19a5b2f22..d5d7e651269 100644 --- a/arch/arm/plat-nomadik/include/plat/gpio.h +++ b/arch/arm/plat-nomadik/include/plat/gpio.h @@ -90,6 +90,7 @@ struct nmk_gpio_platform_data { int num_gpio; u32 (*get_secondary_status)(unsigned int bank); void (*set_ioforce)(bool enable); + bool supports_sleepmode; }; #endif /* __ASM_PLAT_GPIO_H */ diff --git a/arch/arm/plat-omap/omap_device.c b/arch/arm/plat-omap/omap_device.c index a37b8eb65b7..49fc0df0c21 100644 --- a/arch/arm/plat-omap/omap_device.c +++ b/arch/arm/plat-omap/omap_device.c @@ -84,6 +84,7 @@ #include <linux/io.h> #include <linux/clk.h> #include <linux/clkdev.h> +#include <linux/pm_runtime.h> #include <plat/omap_device.h> #include <plat/omap_hwmod.h> @@ -539,20 +540,34 @@ int omap_early_device_register(struct omap_device *od) static int _od_runtime_suspend(struct device *dev) { struct platform_device *pdev = to_platform_device(dev); + int ret; + + ret = pm_generic_runtime_suspend(dev); + + if (!ret) + omap_device_idle(pdev); + + return ret; +} - return omap_device_idle(pdev); +static int _od_runtime_idle(struct device *dev) +{ + return pm_generic_runtime_idle(dev); } static int _od_runtime_resume(struct device *dev) { struct platform_device *pdev = to_platform_device(dev); - return omap_device_enable(pdev); + omap_device_enable(pdev); + + return pm_generic_runtime_resume(dev); } static struct dev_power_domain omap_device_power_domain = { .ops = { .runtime_suspend = _od_runtime_suspend, + .runtime_idle = _od_runtime_idle, .runtime_resume = _od_runtime_resume, USE_PLATFORM_PM_SLEEP_OPS } diff --git a/arch/arm/plat-s3c24xx/dma.c b/arch/arm/plat-s3c24xx/dma.c index c10d10c56e2..2abf9660bc6 100644 --- a/arch/arm/plat-s3c24xx/dma.c +++ b/arch/arm/plat-s3c24xx/dma.c @@ -1199,7 +1199,7 @@ EXPORT_SYMBOL(s3c2410_dma_getposition); #ifdef CONFIG_PM -static void s3c2410_dma_suspend_chan(s3c2410_dma_chan *cp) +static void s3c2410_dma_suspend_chan(struct s3c2410_dma_chan *cp) { printk(KERN_DEBUG "suspending dma channel %d\n", cp->number); diff --git a/arch/arm/plat-s3c24xx/irq.c b/arch/arm/plat-s3c24xx/irq.c index 9aee7e1668b..fc8c5f89954 100644 --- a/arch/arm/plat-s3c24xx/irq.c +++ b/arch/arm/plat-s3c24xx/irq.c @@ -23,6 +23,7 @@ #include <linux/interrupt.h> #include <linux/ioport.h> #include <linux/sysdev.h> +#include <linux/syscore_ops.h> #include <asm/irq.h> #include <asm/mach/irq.h> @@ -668,3 +669,8 @@ void __init s3c24xx_init_irq(void) irqdbf("s3c2410: registered interrupt handlers\n"); } + +struct syscore_ops s3c24xx_irq_syscore_ops = { + .suspend = s3c24xx_irq_suspend, + .resume = s3c24xx_irq_resume, +}; diff --git a/arch/arm/plat-s5p/dev-onenand.c b/arch/arm/plat-s5p/dev-onenand.c index 6db926202ca..20336c8f247 100644 --- a/arch/arm/plat-s5p/dev-onenand.c +++ b/arch/arm/plat-s5p/dev-onenand.c @@ -15,8 +15,6 @@ #include <linux/kernel.h> #include <linux/platform_device.h> -#include <linux/mtd/mtd.h> -#include <linux/mtd/onenand.h> #include <mach/irqs.h> #include <mach/map.h> @@ -45,13 +43,3 @@ struct platform_device s5p_device_onenand = { .num_resources = ARRAY_SIZE(s5p_onenand_resources), .resource = s5p_onenand_resources, }; - -void s5p_onenand_set_platdata(struct onenand_platform_data *pdata) -{ - struct onenand_platform_data *pd; - - pd = kmemdup(pdata, sizeof(struct onenand_platform_data), GFP_KERNEL); - if (!pd) - printk(KERN_ERR "%s: no memory for platform data\n", __func__); - s5p_device_onenand.dev.platform_data = pd; -} diff --git a/arch/arm/plat-s5p/include/plat/map-s5p.h b/arch/arm/plat-s5p/include/plat/map-s5p.h index a6c3d327ce7..d973d39666a 100644 --- a/arch/arm/plat-s5p/include/plat/map-s5p.h +++ b/arch/arm/plat-s5p/include/plat/map-s5p.h @@ -39,7 +39,7 @@ #define S5P_VA_TWD S5P_VA_COREPERI(0x600) #define S5P_VA_GIC_DIST S5P_VA_COREPERI(0x1000) -#define S5P_VA_USB_HSPHY S3C_ADDR(0x02900000) +#define S3C_VA_USB_HSPHY S3C_ADDR(0x02900000) #define VA_VIC(x) (S3C_VA_IRQ + ((x) * 0x10000)) #define VA_VIC0 VA_VIC(0) diff --git a/arch/arm/plat-samsung/dev-onenand.c b/arch/arm/plat-samsung/dev-onenand.c index 45ec73287d8..f54ae71f0cd 100644 --- a/arch/arm/plat-samsung/dev-onenand.c +++ b/arch/arm/plat-samsung/dev-onenand.c @@ -13,8 +13,6 @@ #include <linux/kernel.h> #include <linux/platform_device.h> -#include <linux/mtd/mtd.h> -#include <linux/mtd/onenand.h> #include <mach/irqs.h> #include <mach/map.h> @@ -43,13 +41,3 @@ struct platform_device s3c_device_onenand = { .num_resources = ARRAY_SIZE(s3c_onenand_resources), .resource = s3c_onenand_resources, }; - -void s3c_onenand_set_platdata(struct onenand_platform_data *pdata) -{ - struct onenand_platform_data *pd; - - pd = kmemdup(pdata, sizeof(struct onenand_platform_data), GFP_KERNEL); - if (!pd) - printk(KERN_ERR "%s: no memory for platform data\n", __func__); - s3c_device_onenand.dev.platform_data = pd; -} diff --git a/arch/arm/plat-samsung/include/plat/devs.h b/arch/arm/plat-samsung/include/plat/devs.h index b61b8ee7cc5..4af108ff411 100644 --- a/arch/arm/plat-samsung/include/plat/devs.h +++ b/arch/arm/plat-samsung/include/plat/devs.h @@ -75,10 +75,8 @@ extern struct platform_device s5pc100_device_spi1; extern struct platform_device s5pc100_device_spi2; extern struct platform_device s5pv210_device_spi0; extern struct platform_device s5pv210_device_spi1; -extern struct platform_device s5p6440_device_spi0; -extern struct platform_device s5p6440_device_spi1; -extern struct platform_device s5p6450_device_spi0; -extern struct platform_device s5p6450_device_spi1; +extern struct platform_device s5p64x0_device_spi0; +extern struct platform_device s5p64x0_device_spi1; extern struct platform_device s3c_device_hwmon; diff --git a/arch/arm/plat-samsung/include/plat/regs-serial.h b/arch/arm/plat-samsung/include/plat/regs-serial.h index c151c5f94a8..116edfe120b 100644 --- a/arch/arm/plat-samsung/include/plat/regs-serial.h +++ b/arch/arm/plat-samsung/include/plat/regs-serial.h @@ -224,6 +224,8 @@ #define S5PV210_UFSTAT_RXMASK (255<<0) #define S5PV210_UFSTAT_RXSHIFT (0) +#define NO_NEED_CHECK_CLKSRC 1 + #ifndef __ASSEMBLY__ /* struct s3c24xx_uart_clksrc diff --git a/arch/avr32/configs/atngw100_defconfig b/arch/avr32/configs/atngw100_defconfig index 6f9ca56de1f..a06bfccc284 100644 --- a/arch/avr32/configs/atngw100_defconfig +++ b/arch/avr32/configs/atngw100_defconfig @@ -5,6 +5,7 @@ CONFIG_POSIX_MQUEUE=y CONFIG_LOG_BUF_SHIFT=14 CONFIG_RELAY=y CONFIG_BLK_DEV_INITRD=y +CONFIG_CC_OPTIMIZE_FOR_SIZE=y # CONFIG_SYSCTL_SYSCALL is not set # CONFIG_BASE_FULL is not set # CONFIG_COMPAT_BRK is not set diff --git a/arch/avr32/configs/atngw100_evklcd100_defconfig b/arch/avr32/configs/atngw100_evklcd100_defconfig index 7eece0af34c..d8f1fe80d21 100644 --- a/arch/avr32/configs/atngw100_evklcd100_defconfig +++ b/arch/avr32/configs/atngw100_evklcd100_defconfig @@ -5,6 +5,7 @@ CONFIG_POSIX_MQUEUE=y CONFIG_LOG_BUF_SHIFT=14 CONFIG_RELAY=y CONFIG_BLK_DEV_INITRD=y +CONFIG_CC_OPTIMIZE_FOR_SIZE=y # CONFIG_SYSCTL_SYSCALL is not set # CONFIG_BASE_FULL is not set # CONFIG_COMPAT_BRK is not set diff --git a/arch/avr32/configs/atngw100_evklcd101_defconfig b/arch/avr32/configs/atngw100_evklcd101_defconfig index 387eb9d6e42..d4c5b19ec95 100644 --- a/arch/avr32/configs/atngw100_evklcd101_defconfig +++ b/arch/avr32/configs/atngw100_evklcd101_defconfig @@ -5,6 +5,7 @@ CONFIG_POSIX_MQUEUE=y CONFIG_LOG_BUF_SHIFT=14 CONFIG_RELAY=y CONFIG_BLK_DEV_INITRD=y +CONFIG_CC_OPTIMIZE_FOR_SIZE=y # CONFIG_SYSCTL_SYSCALL is not set # CONFIG_BASE_FULL is not set # CONFIG_COMPAT_BRK is not set diff --git a/arch/avr32/configs/atngw100_mrmt_defconfig b/arch/avr32/configs/atngw100_mrmt_defconfig index 19f6ceeeff7..77ca4f905d2 100644 --- a/arch/avr32/configs/atngw100_mrmt_defconfig +++ b/arch/avr32/configs/atngw100_mrmt_defconfig @@ -7,6 +7,7 @@ CONFIG_BSD_PROCESS_ACCT_V3=y CONFIG_LOG_BUF_SHIFT=14 CONFIG_SYSFS_DEPRECATED_V2=y CONFIG_BLK_DEV_INITRD=y +CONFIG_CC_OPTIMIZE_FOR_SIZE=y # CONFIG_SYSCTL_SYSCALL is not set # CONFIG_BASE_FULL is not set # CONFIG_SLUB_DEBUG is not set @@ -109,7 +110,7 @@ CONFIG_LEDS_GPIO=y CONFIG_LEDS_TRIGGERS=y CONFIG_LEDS_TRIGGER_TIMER=y CONFIG_LEDS_TRIGGER_HEARTBEAT=y -CONFIG_RTC_CLASS=m +CONFIG_RTC_CLASS=y CONFIG_RTC_DRV_S35390A=m CONFIG_RTC_DRV_AT32AP700X=m CONFIG_DMADEVICES=y diff --git a/arch/avr32/configs/atngw100mkii_defconfig b/arch/avr32/configs/atngw100mkii_defconfig index f0fe237133a..6e0dca4d313 100644 --- a/arch/avr32/configs/atngw100mkii_defconfig +++ b/arch/avr32/configs/atngw100mkii_defconfig @@ -5,6 +5,7 @@ CONFIG_POSIX_MQUEUE=y CONFIG_LOG_BUF_SHIFT=14 CONFIG_RELAY=y CONFIG_BLK_DEV_INITRD=y +CONFIG_CC_OPTIMIZE_FOR_SIZE=y # CONFIG_SYSCTL_SYSCALL is not set # CONFIG_BASE_FULL is not set # CONFIG_COMPAT_BRK is not set diff --git a/arch/avr32/configs/atngw100mkii_evklcd100_defconfig b/arch/avr32/configs/atngw100mkii_evklcd100_defconfig index e4a7c1dc838..7f2a344a5fa 100644 --- a/arch/avr32/configs/atngw100mkii_evklcd100_defconfig +++ b/arch/avr32/configs/atngw100mkii_evklcd100_defconfig @@ -5,6 +5,7 @@ CONFIG_POSIX_MQUEUE=y CONFIG_LOG_BUF_SHIFT=14 CONFIG_RELAY=y CONFIG_BLK_DEV_INITRD=y +CONFIG_CC_OPTIMIZE_FOR_SIZE=y # CONFIG_SYSCTL_SYSCALL is not set # CONFIG_BASE_FULL is not set # CONFIG_COMPAT_BRK is not set diff --git a/arch/avr32/configs/atngw100mkii_evklcd101_defconfig b/arch/avr32/configs/atngw100mkii_evklcd101_defconfig index 6f37f70c2c3..085eeba88f6 100644 --- a/arch/avr32/configs/atngw100mkii_evklcd101_defconfig +++ b/arch/avr32/configs/atngw100mkii_evklcd101_defconfig @@ -5,6 +5,7 @@ CONFIG_POSIX_MQUEUE=y CONFIG_LOG_BUF_SHIFT=14 CONFIG_RELAY=y CONFIG_BLK_DEV_INITRD=y +CONFIG_CC_OPTIMIZE_FOR_SIZE=y # CONFIG_SYSCTL_SYSCALL is not set # CONFIG_BASE_FULL is not set # CONFIG_COMPAT_BRK is not set diff --git a/arch/avr32/configs/atstk1002_defconfig b/arch/avr32/configs/atstk1002_defconfig index 4fb01f5ab42..d1a887e6405 100644 --- a/arch/avr32/configs/atstk1002_defconfig +++ b/arch/avr32/configs/atstk1002_defconfig @@ -5,6 +5,7 @@ CONFIG_POSIX_MQUEUE=y CONFIG_LOG_BUF_SHIFT=14 CONFIG_RELAY=y CONFIG_BLK_DEV_INITRD=y +CONFIG_CC_OPTIMIZE_FOR_SIZE=y # CONFIG_SYSCTL_SYSCALL is not set # CONFIG_BASE_FULL is not set # CONFIG_COMPAT_BRK is not set diff --git a/arch/avr32/configs/atstk1003_defconfig b/arch/avr32/configs/atstk1003_defconfig index 9faaf9b900f..956f2819ad4 100644 --- a/arch/avr32/configs/atstk1003_defconfig +++ b/arch/avr32/configs/atstk1003_defconfig @@ -5,6 +5,7 @@ CONFIG_POSIX_MQUEUE=y CONFIG_LOG_BUF_SHIFT=14 CONFIG_RELAY=y CONFIG_BLK_DEV_INITRD=y +CONFIG_CC_OPTIMIZE_FOR_SIZE=y # CONFIG_SYSCTL_SYSCALL is not set # CONFIG_BASE_FULL is not set # CONFIG_COMPAT_BRK is not set diff --git a/arch/avr32/configs/atstk1004_defconfig b/arch/avr32/configs/atstk1004_defconfig index 3d2a5d85f97..40c69f38c61 100644 --- a/arch/avr32/configs/atstk1004_defconfig +++ b/arch/avr32/configs/atstk1004_defconfig @@ -5,6 +5,7 @@ CONFIG_POSIX_MQUEUE=y CONFIG_LOG_BUF_SHIFT=14 CONFIG_RELAY=y CONFIG_BLK_DEV_INITRD=y +CONFIG_CC_OPTIMIZE_FOR_SIZE=y # CONFIG_SYSCTL_SYSCALL is not set # CONFIG_BASE_FULL is not set # CONFIG_COMPAT_BRK is not set diff --git a/arch/avr32/configs/atstk1006_defconfig b/arch/avr32/configs/atstk1006_defconfig index 1ed8f22d4fe..511eb8af356 100644 --- a/arch/avr32/configs/atstk1006_defconfig +++ b/arch/avr32/configs/atstk1006_defconfig @@ -5,6 +5,7 @@ CONFIG_POSIX_MQUEUE=y CONFIG_LOG_BUF_SHIFT=14 CONFIG_RELAY=y CONFIG_BLK_DEV_INITRD=y +CONFIG_CC_OPTIMIZE_FOR_SIZE=y # CONFIG_SYSCTL_SYSCALL is not set # CONFIG_BASE_FULL is not set # CONFIG_COMPAT_BRK is not set diff --git a/arch/avr32/configs/favr-32_defconfig b/arch/avr32/configs/favr-32_defconfig index aeadc955db3..19973b06170 100644 --- a/arch/avr32/configs/favr-32_defconfig +++ b/arch/avr32/configs/favr-32_defconfig @@ -6,6 +6,7 @@ CONFIG_LOG_BUF_SHIFT=14 CONFIG_SYSFS_DEPRECATED_V2=y CONFIG_RELAY=y CONFIG_BLK_DEV_INITRD=y +CONFIG_CC_OPTIMIZE_FOR_SIZE=y # CONFIG_SYSCTL_SYSCALL is not set # CONFIG_BASE_FULL is not set # CONFIG_COMPAT_BRK is not set diff --git a/arch/avr32/configs/hammerhead_defconfig b/arch/avr32/configs/hammerhead_defconfig index 1692beeb7ed..6f45681196d 100644 --- a/arch/avr32/configs/hammerhead_defconfig +++ b/arch/avr32/configs/hammerhead_defconfig @@ -7,6 +7,7 @@ CONFIG_BSD_PROCESS_ACCT_V3=y CONFIG_LOG_BUF_SHIFT=14 CONFIG_SYSFS_DEPRECATED_V2=y CONFIG_BLK_DEV_INITRD=y +CONFIG_CC_OPTIMIZE_FOR_SIZE=y # CONFIG_SYSCTL_SYSCALL is not set # CONFIG_BASE_FULL is not set # CONFIG_COMPAT_BRK is not set diff --git a/arch/avr32/configs/merisc_defconfig b/arch/avr32/configs/merisc_defconfig index 8b670a6530b..3befab96682 100644 --- a/arch/avr32/configs/merisc_defconfig +++ b/arch/avr32/configs/merisc_defconfig @@ -7,6 +7,7 @@ CONFIG_BSD_PROCESS_ACCT_V3=y CONFIG_LOG_BUF_SHIFT=14 CONFIG_SYSFS_DEPRECATED_V2=y CONFIG_BLK_DEV_INITRD=y +CONFIG_CC_OPTIMIZE_FOR_SIZE=y # CONFIG_SYSCTL_SYSCALL is not set # CONFIG_BASE_FULL is not set CONFIG_MODULES=y diff --git a/arch/avr32/configs/mimc200_defconfig b/arch/avr32/configs/mimc200_defconfig index 5a51f2e7ffb..1bee51f2215 100644 --- a/arch/avr32/configs/mimc200_defconfig +++ b/arch/avr32/configs/mimc200_defconfig @@ -7,6 +7,7 @@ CONFIG_BSD_PROCESS_ACCT_V3=y CONFIG_LOG_BUF_SHIFT=14 CONFIG_SYSFS_DEPRECATED_V2=y CONFIG_BLK_DEV_INITRD=y +CONFIG_CC_OPTIMIZE_FOR_SIZE=y # CONFIG_SYSCTL_SYSCALL is not set # CONFIG_BASE_FULL is not set # CONFIG_COMPAT_BRK is not set diff --git a/arch/avr32/include/asm/processor.h b/arch/avr32/include/asm/processor.h index 49a88f5a9d2..108502bc677 100644 --- a/arch/avr32/include/asm/processor.h +++ b/arch/avr32/include/asm/processor.h @@ -131,7 +131,6 @@ struct thread_struct { */ #define start_thread(regs, new_pc, new_sp) \ do { \ - set_fs(USER_DS); \ memset(regs, 0, sizeof(*regs)); \ regs->sr = MODE_USER; \ regs->pc = new_pc & ~1; \ diff --git a/arch/avr32/mach-at32ap/at32ap700x.c b/arch/avr32/mach-at32ap/at32ap700x.c index aa677e2a382..7fbf0dcb9af 100644 --- a/arch/avr32/mach-at32ap/at32ap700x.c +++ b/arch/avr32/mach-at32ap/at32ap700x.c @@ -1043,8 +1043,9 @@ void __init at32_map_usart(unsigned int hw_id, unsigned int line, int flags) data->regs = (void __iomem *)pdev->resource[0].start; } + pdev->id = line; pdata = pdev->dev.platform_data; - pdata->num = portnr; + pdata->num = line; at32_usarts[line] = pdev; } diff --git a/arch/avr32/mach-at32ap/include/mach/cpu.h b/arch/avr32/mach-at32ap/include/mach/cpu.h index 9c96a130f3a..8181293115e 100644 --- a/arch/avr32/mach-at32ap/include/mach/cpu.h +++ b/arch/avr32/mach-at32ap/include/mach/cpu.h @@ -31,8 +31,20 @@ #define cpu_is_at91sam9263() (0) #define cpu_is_at91sam9rl() (0) #define cpu_is_at91cap9() (0) +#define cpu_is_at91cap9_revB() (0) +#define cpu_is_at91cap9_revC() (0) #define cpu_is_at91sam9g10() (0) +#define cpu_is_at91sam9g20() (0) #define cpu_is_at91sam9g45() (0) #define cpu_is_at91sam9g45es() (0) +#define cpu_is_at91sam9m10() (0) +#define cpu_is_at91sam9g46() (0) +#define cpu_is_at91sam9m11() (0) +#define cpu_is_at91sam9x5() (0) +#define cpu_is_at91sam9g15() (0) +#define cpu_is_at91sam9g35() (0) +#define cpu_is_at91sam9x35() (0) +#define cpu_is_at91sam9g25() (0) +#define cpu_is_at91sam9x25() (0) #endif /* __ASM_ARCH_CPU_H */ diff --git a/arch/avr32/mach-at32ap/intc.c b/arch/avr32/mach-at32ap/intc.c index 3e3646186c9..c9ac2f8e8f6 100644 --- a/arch/avr32/mach-at32ap/intc.c +++ b/arch/avr32/mach-at32ap/intc.c @@ -167,14 +167,12 @@ static int intc_suspend(void) return 0; } -static int intc_resume(void) +static void intc_resume(void) { int i; for (i = 0; i < 64; i++) intc_writel(&intc0, INTPR0 + 4 * i, intc0.saved_ipr[i]); - - return 0; } #else #define intc_suspend NULL diff --git a/arch/blackfin/configs/CM-BF548_defconfig b/arch/blackfin/configs/CM-BF548_defconfig index 31d954216c0..9f1d08401fc 100644 --- a/arch/blackfin/configs/CM-BF548_defconfig +++ b/arch/blackfin/configs/CM-BF548_defconfig @@ -112,7 +112,7 @@ CONFIG_USB_G_SERIAL=m CONFIG_USB_G_PRINTER=m CONFIG_MMC=m CONFIG_SDH_BFIN=m -CONFIG_RTC_CLASS=m +CONFIG_RTC_CLASS=y CONFIG_RTC_DRV_BFIN=m CONFIG_EXT2_FS=m # CONFIG_DNOTIFY is not set diff --git a/arch/m32r/include/asm/mmzone.h b/arch/m32r/include/asm/mmzone.h index 9f3b5accda8..115ced33feb 100644 --- a/arch/m32r/include/asm/mmzone.h +++ b/arch/m32r/include/asm/mmzone.h @@ -14,12 +14,6 @@ extern struct pglist_data *node_data[]; #define NODE_DATA(nid) (node_data[nid]) #define node_localnr(pfn, nid) ((pfn) - NODE_DATA(nid)->node_start_pfn) -#define node_start_pfn(nid) (NODE_DATA(nid)->node_start_pfn) -#define node_end_pfn(nid) \ -({ \ - pg_data_t *__pgdat = NODE_DATA(nid); \ - __pgdat->node_start_pfn + __pgdat->node_spanned_pages - 1; \ -}) #define pmd_page(pmd) (pfn_to_page(pmd_val(pmd) >> PAGE_SHIFT)) /* @@ -44,7 +38,7 @@ static __inline__ int pfn_to_nid(unsigned long pfn) int node; for (node = 0 ; node < MAX_NUMNODES ; node++) - if (pfn >= node_start_pfn(node) && pfn <= node_end_pfn(node)) + if (pfn >= node_start_pfn(node) && pfn < node_end_pfn(node)) break; return node; diff --git a/arch/m68k/Kconfig.nommu b/arch/m68k/Kconfig.nommu index fc98f9b9d4d..b004dc1b171 100644 --- a/arch/m68k/Kconfig.nommu +++ b/arch/m68k/Kconfig.nommu @@ -14,6 +14,33 @@ config GENERIC_CLOCKEVENTS bool default n +config M68000 + bool + help + The Freescale (was Motorola) 68000 CPU is the first generation of + the well known M68K family of processors. The CPU core as well as + being available as a stand alone CPU was also used in many + System-On-Chip devices (eg 68328, 68302, etc). It does not contain + a paging MMU. + +config MCPU32 + bool + help + The Freescale (was then Motorola) CPU32 is a CPU core that is + based on the 68020 processor. For the most part it is used in + System-On-Chip parts, and does not contain a paging MMU. + +config COLDFIRE + bool + select GENERIC_GPIO + select ARCH_REQUIRE_GPIOLIB + help + The Freescale ColdFire family of processors is a modern derivitive + of the 68000 processor family. They are mainly targeted at embedded + applications, and are all System-On-Chip (SOC) devices, as opposed + to stand alone CPUs. They implement a subset of the original 68000 + processor instruction set. + config COLDFIRE_SW_A7 bool default n @@ -36,26 +63,31 @@ choice config M68328 bool "MC68328" + select M68000 help Motorola 68328 processor support. config M68EZ328 bool "MC68EZ328" + select M68000 help Motorola 68EX328 processor support. config M68VZ328 bool "MC68VZ328" + select M68000 help Motorola 68VZ328 processor support. config M68360 bool "MC68360" + select MCPU32 help Motorola 68360 processor support. config M5206 bool "MCF5206" + select COLDFIRE select COLDFIRE_SW_A7 select HAVE_MBAR help @@ -63,6 +95,7 @@ config M5206 config M5206e bool "MCF5206e" + select COLDFIRE select COLDFIRE_SW_A7 select HAVE_MBAR help @@ -70,6 +103,7 @@ config M5206e config M520x bool "MCF520x" + select COLDFIRE select GENERIC_CLOCKEVENTS select HAVE_CACHE_SPLIT help @@ -77,6 +111,7 @@ config M520x config M523x bool "MCF523x" + select COLDFIRE select GENERIC_CLOCKEVENTS select HAVE_CACHE_SPLIT select HAVE_IPSBAR @@ -85,6 +120,7 @@ config M523x config M5249 bool "MCF5249" + select COLDFIRE select COLDFIRE_SW_A7 select HAVE_MBAR help @@ -92,6 +128,7 @@ config M5249 config M5271 bool "MCF5271" + select COLDFIRE select HAVE_CACHE_SPLIT select HAVE_IPSBAR help @@ -99,6 +136,7 @@ config M5271 config M5272 bool "MCF5272" + select COLDFIRE select COLDFIRE_SW_A7 select HAVE_MBAR help @@ -106,6 +144,7 @@ config M5272 config M5275 bool "MCF5275" + select COLDFIRE select HAVE_CACHE_SPLIT select HAVE_IPSBAR help @@ -113,6 +152,7 @@ config M5275 config M528x bool "MCF528x" + select COLDFIRE select GENERIC_CLOCKEVENTS select HAVE_CACHE_SPLIT select HAVE_IPSBAR @@ -121,6 +161,7 @@ config M528x config M5307 bool "MCF5307" + select COLDFIRE select COLDFIRE_SW_A7 select HAVE_CACHE_CB select HAVE_MBAR @@ -129,12 +170,14 @@ config M5307 config M532x bool "MCF532x" + select COLDFIRE select HAVE_CACHE_CB help Freescale (Motorola) ColdFire 532x processor support. config M5407 bool "MCF5407" + select COLDFIRE select COLDFIRE_SW_A7 select HAVE_CACHE_CB select HAVE_MBAR @@ -143,6 +186,7 @@ config M5407 config M547x bool "MCF547x" + select COLDFIRE select HAVE_CACHE_CB select HAVE_MBAR help @@ -150,6 +194,7 @@ config M547x config M548x bool "MCF548x" + select COLDFIRE select HAVE_CACHE_CB select HAVE_MBAR help @@ -168,13 +213,6 @@ config M54xx depends on (M548x || M547x) default y -config COLDFIRE - bool - depends on (M5206 || M5206e || M520x || M523x || M5249 || M527x || M5272 || M528x || M5307 || M532x || M5407 || M54xx) - select GENERIC_GPIO - select ARCH_REQUIRE_GPIOLIB - default y - config CLOCK_SET bool "Enable setting the CPU clock frequency" default n diff --git a/arch/m68k/kernel/m68k_ksyms.c b/arch/m68k/kernel/m68k_ksyms.c index 33f82769547..1b7a14d1a00 100644 --- a/arch/m68k/kernel/m68k_ksyms.c +++ b/arch/m68k/kernel/m68k_ksyms.c @@ -14,8 +14,7 @@ EXPORT_SYMBOL(__ashrdi3); EXPORT_SYMBOL(__lshrdi3); EXPORT_SYMBOL(__muldi3); -#if !defined(__mc68020__) && !defined(__mc68030__) && \ - !defined(__mc68040__) && !defined(__mc68060__) && !defined(__mcpu32__) +#if defined(CONFIG_M68000) || defined(CONFIG_COLDFIRE) /* * Simpler 68k and ColdFire parts also need a few other gcc functions. */ diff --git a/arch/m68k/kernel/vmlinux.lds_no.S b/arch/m68k/kernel/vmlinux.lds_no.S index f4d715cdca0..7dc4087a954 100644 --- a/arch/m68k/kernel/vmlinux.lds_no.S +++ b/arch/m68k/kernel/vmlinux.lds_no.S @@ -84,52 +84,52 @@ SECTIONS { /* Kernel symbol table: Normal symbols */ . = ALIGN(4); __start___ksymtab = .; - *(__ksymtab) + *(SORT(___ksymtab+*)) __stop___ksymtab = .; /* Kernel symbol table: GPL-only symbols */ __start___ksymtab_gpl = .; - *(__ksymtab_gpl) + *(SORT(___ksymtab_gpl+*)) __stop___ksymtab_gpl = .; /* Kernel symbol table: Normal unused symbols */ __start___ksymtab_unused = .; - *(__ksymtab_unused) + *(SORT(___ksymtab_unused+*)) __stop___ksymtab_unused = .; /* Kernel symbol table: GPL-only unused symbols */ __start___ksymtab_unused_gpl = .; - *(__ksymtab_unused_gpl) + *(SORT(___ksymtab_unused_gpl+*)) __stop___ksymtab_unused_gpl = .; /* Kernel symbol table: GPL-future symbols */ __start___ksymtab_gpl_future = .; - *(__ksymtab_gpl_future) + *(SORT(___ksymtab_gpl_future+*)) __stop___ksymtab_gpl_future = .; /* Kernel symbol table: Normal symbols */ __start___kcrctab = .; - *(__kcrctab) + *(SORT(___kcrctab+*)) __stop___kcrctab = .; /* Kernel symbol table: GPL-only symbols */ __start___kcrctab_gpl = .; - *(__kcrctab_gpl) + *(SORT(___kcrctab_gpl+*)) __stop___kcrctab_gpl = .; /* Kernel symbol table: Normal unused symbols */ __start___kcrctab_unused = .; - *(__kcrctab_unused) + *(SORT(___kcrctab_unused+*)) __stop___kcrctab_unused = .; /* Kernel symbol table: GPL-only unused symbols */ __start___kcrctab_unused_gpl = .; - *(__kcrctab_unused_gpl) + *(SORT(___kcrctab_unused_gpl+*)) __stop___kcrctab_unused_gpl = .; /* Kernel symbol table: GPL-future symbols */ __start___kcrctab_gpl_future = .; - *(__kcrctab_gpl_future) + *(SORT(___kcrctab_gpl_future+*)) __stop___kcrctab_gpl_future = .; /* Kernel symbol table: strings */ diff --git a/arch/m68k/lib/memcpy.c b/arch/m68k/lib/memcpy.c index 62182c81e91..06488931697 100644 --- a/arch/m68k/lib/memcpy.c +++ b/arch/m68k/lib/memcpy.c @@ -34,8 +34,10 @@ void *memcpy(void *to, const void *from, size_t n) if (temp) { long *lto = to; const long *lfrom = from; -#if defined(__mc68020__) || defined(__mc68030__) || \ - defined(__mc68040__) || defined(__mc68060__) || defined(__mcpu32__) +#if defined(CONFIG_M68000) || defined(CONFIG_COLDFIRE) + for (; temp; temp--) + *lto++ = *lfrom++; +#else asm volatile ( " movel %2,%3\n" " andw #7,%3\n" @@ -56,9 +58,6 @@ void *memcpy(void *to, const void *from, size_t n) " jpl 4b" : "=a" (lfrom), "=a" (lto), "=d" (temp), "=&d" (temp1) : "0" (lfrom), "1" (lto), "2" (temp)); -#else - for (; temp; temp--) - *lto++ = *lfrom++; #endif to = lto; from = lfrom; diff --git a/arch/m68k/lib/memset.c b/arch/m68k/lib/memset.c index f649e6a2e64..8a7639f0a2f 100644 --- a/arch/m68k/lib/memset.c +++ b/arch/m68k/lib/memset.c @@ -32,8 +32,10 @@ void *memset(void *s, int c, size_t count) temp = count >> 2; if (temp) { long *ls = s; -#if defined(__mc68020__) || defined(__mc68030__) || \ - defined(__mc68040__) || defined(__mc68060__) || defined(__mcpu32__) +#if defined(CONFIG_M68000) || defined(CONFIG_COLDFIRE) + for (; temp; temp--) + *ls++ = c; +#else size_t temp1; asm volatile ( " movel %1,%2\n" @@ -55,9 +57,6 @@ void *memset(void *s, int c, size_t count) " jpl 1b" : "=a" (ls), "=d" (temp), "=&d" (temp1) : "d" (c), "0" (ls), "1" (temp)); -#else - for (; temp; temp--) - *ls++ = c; #endif s = ls; } diff --git a/arch/m68k/lib/muldi3.c b/arch/m68k/lib/muldi3.c index 079bafca073..79e928a525d 100644 --- a/arch/m68k/lib/muldi3.c +++ b/arch/m68k/lib/muldi3.c @@ -19,17 +19,7 @@ along with GNU CC; see the file COPYING. If not, write to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ -#if defined(__mc68020__) || defined(__mc68030__) || \ - defined(__mc68040__) || defined(__mc68060__) || defined(__mcpu32__) - -#define umul_ppmm(w1, w0, u, v) \ - __asm__ ("mulu%.l %3,%1:%0" \ - : "=d" ((USItype)(w0)), \ - "=d" ((USItype)(w1)) \ - : "%0" ((USItype)(u)), \ - "dmi" ((USItype)(v))) - -#else +#if defined(CONFIG_M68000) || defined(CONFIG_COLDFIRE) #define SI_TYPE_SIZE 32 #define __BITS4 (SI_TYPE_SIZE / 4) @@ -61,6 +51,15 @@ Boston, MA 02111-1307, USA. */ (w0) = __ll_lowpart (__x1) * __ll_B + __ll_lowpart (__x0); \ } while (0) +#else + +#define umul_ppmm(w1, w0, u, v) \ + __asm__ ("mulu%.l %3,%1:%0" \ + : "=d" ((USItype)(w0)), \ + "=d" ((USItype)(w1)) \ + : "%0" ((USItype)(u)), \ + "dmi" ((USItype)(v))) + #endif #define __umulsidi3(u, v) \ diff --git a/arch/mips/configs/mtx1_defconfig b/arch/mips/configs/mtx1_defconfig index 37862b2ce36..807c97eed8a 100644 --- a/arch/mips/configs/mtx1_defconfig +++ b/arch/mips/configs/mtx1_defconfig @@ -678,7 +678,7 @@ CONFIG_LEDS_TRIGGERS=y CONFIG_LEDS_TRIGGER_TIMER=y CONFIG_LEDS_TRIGGER_HEARTBEAT=y CONFIG_LEDS_TRIGGER_DEFAULT_ON=y -CONFIG_RTC_CLASS=m +CONFIG_RTC_CLASS=y CONFIG_RTC_INTF_DEV_UIE_EMUL=y CONFIG_RTC_DRV_TEST=m CONFIG_RTC_DRV_DS1307=m diff --git a/arch/mn10300/include/asm/uaccess.h b/arch/mn10300/include/asm/uaccess.h index 3d6e60dad9d..780560b330d 100644 --- a/arch/mn10300/include/asm/uaccess.h +++ b/arch/mn10300/include/asm/uaccess.h @@ -15,6 +15,7 @@ * User space memory access functions */ #include <linux/thread_info.h> +#include <linux/kernel.h> #include <asm/page.h> #include <asm/errno.h> diff --git a/arch/parisc/include/asm/mmzone.h b/arch/parisc/include/asm/mmzone.h index 9608d2cf214..e67eb9c3d1b 100644 --- a/arch/parisc/include/asm/mmzone.h +++ b/arch/parisc/include/asm/mmzone.h @@ -14,13 +14,6 @@ extern struct node_map_data node_data[]; #define NODE_DATA(nid) (&node_data[nid].pg_data) -#define node_start_pfn(nid) (NODE_DATA(nid)->node_start_pfn) -#define node_end_pfn(nid) \ -({ \ - pg_data_t *__pgdat = NODE_DATA(nid); \ - __pgdat->node_start_pfn + __pgdat->node_spanned_pages; \ -}) - /* We have these possible memory map layouts: * Astro: 0-3.75, 67.75-68, 4-64 * zx1: 0-1, 257-260, 4-256 diff --git a/arch/powerpc/boot/.gitignore b/arch/powerpc/boot/.gitignore index 3d80c3e9cf6..12da77ec022 100644 --- a/arch/powerpc/boot/.gitignore +++ b/arch/powerpc/boot/.gitignore @@ -1,5 +1,4 @@ addnote -dtc empty.c hack-coff infblock.c diff --git a/arch/powerpc/boot/dtc-src/.gitignore b/arch/powerpc/boot/dtc-src/.gitignore deleted file mode 100644 index a7c3f94e5e7..00000000000 --- a/arch/powerpc/boot/dtc-src/.gitignore +++ /dev/null @@ -1,3 +0,0 @@ -dtc-lexer.lex.c -dtc-parser.tab.c -dtc-parser.tab.h diff --git a/arch/powerpc/boot/dts/p1022ds.dts b/arch/powerpc/boot/dts/p1022ds.dts index 4f685a779f4..98d9426d4b8 100644 --- a/arch/powerpc/boot/dts/p1022ds.dts +++ b/arch/powerpc/boot/dts/p1022ds.dts @@ -209,8 +209,10 @@ wm8776:codec@1a { compatible = "wlf,wm8776"; reg = <0x1a>; - /* MCLK source is a stand-alone oscillator */ - clock-frequency = <12288000>; + /* + * clock-frequency will be set by U-Boot if + * the clock is enabled. + */ }; }; @@ -280,7 +282,8 @@ codec-handle = <&wm8776>; fsl,playback-dma = <&dma00>; fsl,capture-dma = <&dma01>; - fsl,fifo-depth = <16>; + fsl,fifo-depth = <15>; + fsl,ssi-asynchronous; }; dma@c300 { diff --git a/arch/powerpc/configs/52xx/pcm030_defconfig b/arch/powerpc/configs/52xx/pcm030_defconfig index 7f7e4a87860..22e719575c6 100644 --- a/arch/powerpc/configs/52xx/pcm030_defconfig +++ b/arch/powerpc/configs/52xx/pcm030_defconfig @@ -85,7 +85,7 @@ CONFIG_USB_OHCI_HCD=m CONFIG_USB_OHCI_HCD_PPC_OF_BE=y # CONFIG_USB_OHCI_HCD_PCI is not set CONFIG_USB_STORAGE=m -CONFIG_RTC_CLASS=m +CONFIG_RTC_CLASS=y CONFIG_RTC_DRV_PCF8563=m CONFIG_EXT2_FS=m CONFIG_EXT3_FS=m diff --git a/arch/powerpc/configs/ps3_defconfig b/arch/powerpc/configs/ps3_defconfig index 6472322bf13..185c292b0f1 100644 --- a/arch/powerpc/configs/ps3_defconfig +++ b/arch/powerpc/configs/ps3_defconfig @@ -141,7 +141,7 @@ CONFIG_USB_EHCI_TT_NEWSCHED=y # CONFIG_USB_EHCI_HCD_PPC_OF is not set CONFIG_USB_OHCI_HCD=m CONFIG_USB_STORAGE=m -CONFIG_RTC_CLASS=m +CONFIG_RTC_CLASS=y CONFIG_RTC_DRV_PS3=m CONFIG_EXT2_FS=m CONFIG_EXT3_FS=m diff --git a/arch/powerpc/configs/pseries_defconfig b/arch/powerpc/configs/pseries_defconfig index c9f212b5f3d..80bc5de7ee1 100644 --- a/arch/powerpc/configs/pseries_defconfig +++ b/arch/powerpc/configs/pseries_defconfig @@ -148,7 +148,6 @@ CONFIG_SCSI_SAS_ATTRS=m CONFIG_SCSI_CXGB3_ISCSI=m CONFIG_SCSI_CXGB4_ISCSI=m CONFIG_SCSI_BNX2_ISCSI=m -CONFIG_SCSI_BNX2_ISCSI=m CONFIG_BE2ISCSI=m CONFIG_SCSI_IBMVSCSI=y CONFIG_SCSI_IBMVFC=m diff --git a/arch/powerpc/include/asm/mmzone.h b/arch/powerpc/include/asm/mmzone.h index fd3fd58bad8..7b589178be4 100644 --- a/arch/powerpc/include/asm/mmzone.h +++ b/arch/powerpc/include/asm/mmzone.h @@ -38,13 +38,6 @@ u64 memory_hotplug_max(void); #define memory_hotplug_max() memblock_end_of_DRAM() #endif -/* - * Following are macros that each numa implmentation must define. - */ - -#define node_start_pfn(nid) (NODE_DATA(nid)->node_start_pfn) -#define node_end_pfn(nid) (NODE_DATA(nid)->node_end_pfn) - #else #define memory_hotplug_max() memblock_end_of_DRAM() #endif /* CONFIG_NEED_MULTIPLE_NODES */ diff --git a/arch/powerpc/include/asm/rio.h b/arch/powerpc/include/asm/rio.h index d902abd3399..b1d2deceeed 100644 --- a/arch/powerpc/include/asm/rio.h +++ b/arch/powerpc/include/asm/rio.h @@ -14,7 +14,7 @@ #define ASM_PPC_RIO_H extern void platform_rio_init(void); -#ifdef CONFIG_RAPIDIO +#ifdef CONFIG_FSL_RIO extern int fsl_rio_mcheck_exception(struct pt_regs *); #else static inline int fsl_rio_mcheck_exception(struct pt_regs *regs) {return 0; } diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c index 34d2722b945..9fb933248ab 100644 --- a/arch/powerpc/kernel/cputable.c +++ b/arch/powerpc/kernel/cputable.c @@ -1979,7 +1979,7 @@ static struct cpu_spec __initdata cpu_specs[] = { .pvr_value = 0x80240000, .cpu_name = "e5500", .cpu_features = CPU_FTRS_E5500, - .cpu_user_features = COMMON_USER_BOOKE, + .cpu_user_features = COMMON_USER_BOOKE | PPC_FEATURE_HAS_FPU, .mmu_features = MMU_FTR_TYPE_FSL_E | MMU_FTR_BIG_PHYS | MMU_FTR_USE_TLBILX, .icache_bsize = 64, diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c index f2c906b1d8d..8c3112a57cf 100644 --- a/arch/powerpc/kernel/prom.c +++ b/arch/powerpc/kernel/prom.c @@ -82,11 +82,29 @@ static int __init early_parse_mem(char *p) } early_param("mem", early_parse_mem); +/* + * overlaps_initrd - check for overlap with page aligned extension of + * initrd. + */ +static inline int overlaps_initrd(unsigned long start, unsigned long size) +{ +#ifdef CONFIG_BLK_DEV_INITRD + if (!initrd_start) + return 0; + + return (start + size) > _ALIGN_DOWN(initrd_start, PAGE_SIZE) && + start <= _ALIGN_UP(initrd_end, PAGE_SIZE); +#else + return 0; +#endif +} + /** * move_device_tree - move tree to an unused area, if needed. * * The device tree may be allocated beyond our memory limit, or inside the - * crash kernel region for kdump. If so, move it out of the way. + * crash kernel region for kdump, or within the page aligned range of initrd. + * If so, move it out of the way. */ static void __init move_device_tree(void) { @@ -99,7 +117,8 @@ static void __init move_device_tree(void) size = be32_to_cpu(initial_boot_params->totalsize); if ((memory_limit && (start + size) > PHYSICAL_START + memory_limit) || - overlaps_crashkernel(start, size)) { + overlaps_crashkernel(start, size) || + overlaps_initrd(start, size)) { p = __va(memblock_alloc(size, PAGE_SIZE)); memcpy(p, initial_boot_params, size); initial_boot_params = (struct boot_param_header *)p; @@ -555,7 +574,9 @@ static void __init early_reserve_mem(void) #ifdef CONFIG_BLK_DEV_INITRD /* then reserve the initrd, if any */ if (initrd_start && (initrd_end > initrd_start)) - memblock_reserve(__pa(initrd_start), initrd_end - initrd_start); + memblock_reserve(_ALIGN_DOWN(__pa(initrd_start), PAGE_SIZE), + _ALIGN_UP(initrd_end, PAGE_SIZE) - + _ALIGN_DOWN(initrd_start, PAGE_SIZE)); #endif /* CONFIG_BLK_DEV_INITRD */ #ifdef CONFIG_PPC32 diff --git a/arch/powerpc/kernel/rtas-rtc.c b/arch/powerpc/kernel/rtas-rtc.c index 77578c093dd..c57c19358a2 100644 --- a/arch/powerpc/kernel/rtas-rtc.c +++ b/arch/powerpc/kernel/rtas-rtc.c @@ -4,6 +4,7 @@ #include <linux/init.h> #include <linux/rtc.h> #include <linux/delay.h> +#include <linux/ratelimit.h> #include <asm/prom.h> #include <asm/rtas.h> #include <asm/time.h> @@ -29,9 +30,10 @@ unsigned long __init rtas_get_boot_time(void) } } while (wait_time && (get_tb() < max_wait_tb)); - if (error != 0 && printk_ratelimit()) { - printk(KERN_WARNING "error: reading the clock failed (%d)\n", - error); + if (error != 0) { + printk_ratelimited(KERN_WARNING + "error: reading the clock failed (%d)\n", + error); return 0; } @@ -55,19 +57,21 @@ void rtas_get_rtc_time(struct rtc_time *rtc_tm) wait_time = rtas_busy_delay_time(error); if (wait_time) { - if (in_interrupt() && printk_ratelimit()) { + if (in_interrupt()) { memset(rtc_tm, 0, sizeof(struct rtc_time)); - printk(KERN_WARNING "error: reading clock" - " would delay interrupt\n"); + printk_ratelimited(KERN_WARNING + "error: reading clock " + "would delay interrupt\n"); return; /* delay not allowed */ } msleep(wait_time); } } while (wait_time && (get_tb() < max_wait_tb)); - if (error != 0 && printk_ratelimit()) { - printk(KERN_WARNING "error: reading the clock failed (%d)\n", - error); + if (error != 0) { + printk_ratelimited(KERN_WARNING + "error: reading the clock failed (%d)\n", + error); return; } @@ -99,9 +103,10 @@ int rtas_set_rtc_time(struct rtc_time *tm) } } while (wait_time && (get_tb() < max_wait_tb)); - if (error != 0 && printk_ratelimit()) - printk(KERN_WARNING "error: setting the clock failed (%d)\n", - error); + if (error != 0) + printk_ratelimited(KERN_WARNING + "error: setting the clock failed (%d)\n", + error); return 0; } diff --git a/arch/powerpc/kernel/signal_32.c b/arch/powerpc/kernel/signal_32.c index b96a3a010c2..78b76dc54df 100644 --- a/arch/powerpc/kernel/signal_32.c +++ b/arch/powerpc/kernel/signal_32.c @@ -25,6 +25,7 @@ #include <linux/errno.h> #include <linux/elf.h> #include <linux/ptrace.h> +#include <linux/ratelimit.h> #ifdef CONFIG_PPC64 #include <linux/syscalls.h> #include <linux/compat.h> @@ -892,11 +893,12 @@ badframe: printk("badframe in handle_rt_signal, regs=%p frame=%p newsp=%lx\n", regs, frame, newsp); #endif - if (show_unhandled_signals && printk_ratelimit()) - printk(KERN_INFO "%s[%d]: bad frame in handle_rt_signal32: " - "%p nip %08lx lr %08lx\n", - current->comm, current->pid, - addr, regs->nip, regs->link); + if (show_unhandled_signals) + printk_ratelimited(KERN_INFO + "%s[%d]: bad frame in handle_rt_signal32: " + "%p nip %08lx lr %08lx\n", + current->comm, current->pid, + addr, regs->nip, regs->link); force_sigsegv(sig, current); return 0; @@ -1058,11 +1060,12 @@ long sys_rt_sigreturn(int r3, int r4, int r5, int r6, int r7, int r8, return 0; bad: - if (show_unhandled_signals && printk_ratelimit()) - printk(KERN_INFO "%s[%d]: bad frame in sys_rt_sigreturn: " - "%p nip %08lx lr %08lx\n", - current->comm, current->pid, - rt_sf, regs->nip, regs->link); + if (show_unhandled_signals) + printk_ratelimited(KERN_INFO + "%s[%d]: bad frame in sys_rt_sigreturn: " + "%p nip %08lx lr %08lx\n", + current->comm, current->pid, + rt_sf, regs->nip, regs->link); force_sig(SIGSEGV, current); return 0; @@ -1149,12 +1152,12 @@ int sys_debug_setcontext(struct ucontext __user *ctx, * We kill the task with a SIGSEGV in this situation. */ if (do_setcontext(ctx, regs, 1)) { - if (show_unhandled_signals && printk_ratelimit()) - printk(KERN_INFO "%s[%d]: bad frame in " - "sys_debug_setcontext: %p nip %08lx " - "lr %08lx\n", - current->comm, current->pid, - ctx, regs->nip, regs->link); + if (show_unhandled_signals) + printk_ratelimited(KERN_INFO "%s[%d]: bad frame in " + "sys_debug_setcontext: %p nip %08lx " + "lr %08lx\n", + current->comm, current->pid, + ctx, regs->nip, regs->link); force_sig(SIGSEGV, current); goto out; @@ -1236,11 +1239,12 @@ badframe: printk("badframe in handle_signal, regs=%p frame=%p newsp=%lx\n", regs, frame, newsp); #endif - if (show_unhandled_signals && printk_ratelimit()) - printk(KERN_INFO "%s[%d]: bad frame in handle_signal32: " - "%p nip %08lx lr %08lx\n", - current->comm, current->pid, - frame, regs->nip, regs->link); + if (show_unhandled_signals) + printk_ratelimited(KERN_INFO + "%s[%d]: bad frame in handle_signal32: " + "%p nip %08lx lr %08lx\n", + current->comm, current->pid, + frame, regs->nip, regs->link); force_sigsegv(sig, current); return 0; @@ -1288,11 +1292,12 @@ long sys_sigreturn(int r3, int r4, int r5, int r6, int r7, int r8, return 0; badframe: - if (show_unhandled_signals && printk_ratelimit()) - printk(KERN_INFO "%s[%d]: bad frame in sys_sigreturn: " - "%p nip %08lx lr %08lx\n", - current->comm, current->pid, - addr, regs->nip, regs->link); + if (show_unhandled_signals) + printk_ratelimited(KERN_INFO + "%s[%d]: bad frame in sys_sigreturn: " + "%p nip %08lx lr %08lx\n", + current->comm, current->pid, + addr, regs->nip, regs->link); force_sig(SIGSEGV, current); return 0; diff --git a/arch/powerpc/kernel/signal_64.c b/arch/powerpc/kernel/signal_64.c index da989fff19c..e91c736cc84 100644 --- a/arch/powerpc/kernel/signal_64.c +++ b/arch/powerpc/kernel/signal_64.c @@ -24,6 +24,7 @@ #include <linux/elf.h> #include <linux/ptrace.h> #include <linux/module.h> +#include <linux/ratelimit.h> #include <asm/sigcontext.h> #include <asm/ucontext.h> @@ -380,10 +381,10 @@ badframe: printk("badframe in sys_rt_sigreturn, regs=%p uc=%p &uc->uc_mcontext=%p\n", regs, uc, &uc->uc_mcontext); #endif - if (show_unhandled_signals && printk_ratelimit()) - printk(regs->msr & MSR_64BIT ? fmt64 : fmt32, - current->comm, current->pid, "rt_sigreturn", - (long)uc, regs->nip, regs->link); + if (show_unhandled_signals) + printk_ratelimited(regs->msr & MSR_64BIT ? fmt64 : fmt32, + current->comm, current->pid, "rt_sigreturn", + (long)uc, regs->nip, regs->link); force_sig(SIGSEGV, current); return 0; @@ -468,10 +469,10 @@ badframe: printk("badframe in setup_rt_frame, regs=%p frame=%p newsp=%lx\n", regs, frame, newsp); #endif - if (show_unhandled_signals && printk_ratelimit()) - printk(regs->msr & MSR_64BIT ? fmt64 : fmt32, - current->comm, current->pid, "setup_rt_frame", - (long)frame, regs->nip, regs->link); + if (show_unhandled_signals) + printk_ratelimited(regs->msr & MSR_64BIT ? fmt64 : fmt32, + current->comm, current->pid, "setup_rt_frame", + (long)frame, regs->nip, regs->link); force_sigsegv(signr, current); return 0; diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c index 0ff4ab98d50..1a0141426cd 100644 --- a/arch/powerpc/kernel/traps.c +++ b/arch/powerpc/kernel/traps.c @@ -34,6 +34,7 @@ #include <linux/bug.h> #include <linux/kdebug.h> #include <linux/debugfs.h> +#include <linux/ratelimit.h> #include <asm/emulated_ops.h> #include <asm/pgtable.h> @@ -197,12 +198,11 @@ void _exception(int signr, struct pt_regs *regs, int code, unsigned long addr) if (die("Exception in kernel mode", regs, signr)) return; } else if (show_unhandled_signals && - unhandled_signal(current, signr) && - printk_ratelimit()) { - printk(regs->msr & MSR_64BIT ? fmt64 : fmt32, - current->comm, current->pid, signr, - addr, regs->nip, regs->link, code); - } + unhandled_signal(current, signr)) { + printk_ratelimited(regs->msr & MSR_64BIT ? fmt64 : fmt32, + current->comm, current->pid, signr, + addr, regs->nip, regs->link, code); + } memset(&info, 0, sizeof(info)); info.si_signo = signr; @@ -425,7 +425,7 @@ int machine_check_e500mc(struct pt_regs *regs) unsigned long reason = mcsr; int recoverable = 1; - if (reason & MCSR_BUS_RBERR) { + if (reason & MCSR_LD) { recoverable = fsl_rio_mcheck_exception(regs); if (recoverable == 1) goto silent_out; @@ -1342,9 +1342,8 @@ void altivec_assist_exception(struct pt_regs *regs) } else { /* didn't recognize the instruction */ /* XXX quick hack for now: set the non-Java bit in the VSCR */ - if (printk_ratelimit()) - printk(KERN_ERR "Unrecognized altivec instruction " - "in %s at %lx\n", current->comm, regs->nip); + printk_ratelimited(KERN_ERR "Unrecognized altivec instruction " + "in %s at %lx\n", current->comm, regs->nip); current->thread.vscr.u[3] |= 0x10000; } } @@ -1548,9 +1547,8 @@ u32 ppc_warn_emulated; void ppc_warn_emulated_print(const char *type) { - if (printk_ratelimit()) - pr_warning("%s used emulated %s instruction\n", current->comm, - type); + pr_warn_ratelimited("%s used emulated %s instruction\n", current->comm, + type); } static int __init ppc_warn_emulated_init(void) diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c index 54f4fb994e9..ad35f66c69e 100644 --- a/arch/powerpc/mm/fault.c +++ b/arch/powerpc/mm/fault.c @@ -31,6 +31,7 @@ #include <linux/kdebug.h> #include <linux/perf_event.h> #include <linux/magic.h> +#include <linux/ratelimit.h> #include <asm/firmware.h> #include <asm/page.h> @@ -346,11 +347,10 @@ bad_area_nosemaphore: return 0; } - if (is_exec && (error_code & DSISR_PROTFAULT) - && printk_ratelimit()) - printk(KERN_CRIT "kernel tried to execute NX-protected" - " page (%lx) - exploit attempt? (uid: %d)\n", - address, current_uid()); + if (is_exec && (error_code & DSISR_PROTFAULT)) + printk_ratelimited(KERN_CRIT "kernel tried to execute NX-protected" + " page (%lx) - exploit attempt? (uid: %d)\n", + address, current_uid()); return SIGSEGV; diff --git a/arch/powerpc/mm/init_32.c b/arch/powerpc/mm/init_32.c index d65b591e555..5de0f254dbb 100644 --- a/arch/powerpc/mm/init_32.c +++ b/arch/powerpc/mm/init_32.c @@ -223,21 +223,6 @@ void free_initmem(void) #undef FREESEC } -#ifdef CONFIG_BLK_DEV_INITRD -void free_initrd_mem(unsigned long start, unsigned long end) -{ - if (start < end) - printk ("Freeing initrd memory: %ldk freed\n", (end - start) >> 10); - for (; start < end; start += PAGE_SIZE) { - ClearPageReserved(virt_to_page(start)); - init_page_count(virt_to_page(start)); - free_page(start); - totalram_pages++; - } -} -#endif - - #ifdef CONFIG_8xx /* No 8xx specific .c file to put that in ... */ void setup_initial_memory_limit(phys_addr_t first_memblock_base, phys_addr_t first_memblock_size) diff --git a/arch/powerpc/mm/init_64.c b/arch/powerpc/mm/init_64.c index 6374b2196a1..f6dbb4c20e6 100644 --- a/arch/powerpc/mm/init_64.c +++ b/arch/powerpc/mm/init_64.c @@ -99,20 +99,6 @@ void free_initmem(void) ((unsigned long)__init_end - (unsigned long)__init_begin) >> 10); } -#ifdef CONFIG_BLK_DEV_INITRD -void free_initrd_mem(unsigned long start, unsigned long end) -{ - if (start < end) - printk ("Freeing initrd memory: %ldk freed\n", (end - start) >> 10); - for (; start < end; start += PAGE_SIZE) { - ClearPageReserved(virt_to_page(start)); - init_page_count(virt_to_page(start)); - free_page(start); - totalram_pages++; - } -} -#endif - static void pgd_ctor(void *addr) { memset(addr, 0, PGD_TABLE_SIZE); diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c index 57e545b84bf..29d4dde65c4 100644 --- a/arch/powerpc/mm/mem.c +++ b/arch/powerpc/mm/mem.c @@ -382,6 +382,25 @@ void __init mem_init(void) mem_init_done = 1; } +#ifdef CONFIG_BLK_DEV_INITRD +void __init free_initrd_mem(unsigned long start, unsigned long end) +{ + if (start >= end) + return; + + start = _ALIGN_DOWN(start, PAGE_SIZE); + end = _ALIGN_UP(end, PAGE_SIZE); + pr_info("Freeing initrd memory: %ldk freed\n", (end - start) >> 10); + + for (; start < end; start += PAGE_SIZE) { + ClearPageReserved(virt_to_page(start)); + init_page_count(virt_to_page(start)); + free_page(start); + totalram_pages++; + } +} +#endif + /* * This is called when a page has been modified by the kernel. * It just marks the page as not i-cache clean. We do the i-cache diff --git a/arch/powerpc/sysdev/fsl_lbc.c b/arch/powerpc/sysdev/fsl_lbc.c index 0608b1657da..d917573cf1a 100644 --- a/arch/powerpc/sysdev/fsl_lbc.c +++ b/arch/powerpc/sysdev/fsl_lbc.c @@ -196,9 +196,6 @@ static int __devinit fsl_lbc_ctrl_init(struct fsl_lbc_ctrl *ctrl, out_be32(&lbc->lteccr, LTECCR_CLEAR); out_be32(&lbc->ltedr, LTEDR_ENABLE); - /* Enable interrupts for any detected events */ - out_be32(&lbc->lteir, LTEIR_ENABLE); - /* Set the monitor timeout value to the maximum for erratum A001 */ if (of_device_is_compatible(node, "fsl,elbc")) clrsetbits_be32(&lbc->lbcr, LBCR_BMT, LBCR_BMTPS); @@ -322,6 +319,9 @@ static int __devinit fsl_lbc_ctrl_probe(struct platform_device *dev) goto err; } + /* Enable interrupts for any detected events */ + out_be32(&fsl_lbc_ctrl_dev->regs->lteir, LTEIR_ENABLE); + return 0; err: diff --git a/arch/powerpc/sysdev/fsl_rio.c b/arch/powerpc/sysdev/fsl_rio.c index 5b206a2fe17..b3fd081d56f 100644 --- a/arch/powerpc/sysdev/fsl_rio.c +++ b/arch/powerpc/sysdev/fsl_rio.c @@ -283,23 +283,24 @@ static void __iomem *rio_regs_win; #ifdef CONFIG_E500 int fsl_rio_mcheck_exception(struct pt_regs *regs) { - const struct exception_table_entry *entry = NULL; - unsigned long reason = mfspr(SPRN_MCSR); - - if (reason & MCSR_BUS_RBERR) { - reason = in_be32((u32 *)(rio_regs_win + RIO_LTLEDCSR)); - if (reason & (RIO_LTLEDCSR_IER | RIO_LTLEDCSR_PRT)) { - /* Check if we are prepared to handle this fault */ - entry = search_exception_tables(regs->nip); - if (entry) { - pr_debug("RIO: %s - MC Exception handled\n", - __func__); - out_be32((u32 *)(rio_regs_win + RIO_LTLEDCSR), - 0); - regs->msr |= MSR_RI; - regs->nip = entry->fixup; - return 1; - } + const struct exception_table_entry *entry; + unsigned long reason; + + if (!rio_regs_win) + return 0; + + reason = in_be32((u32 *)(rio_regs_win + RIO_LTLEDCSR)); + if (reason & (RIO_LTLEDCSR_IER | RIO_LTLEDCSR_PRT)) { + /* Check if we are prepared to handle this fault */ + entry = search_exception_tables(regs->nip); + if (entry) { + pr_debug("RIO: %s - MC Exception handled\n", + __func__); + out_be32((u32 *)(rio_regs_win + RIO_LTLEDCSR), + 0); + regs->msr |= MSR_RI; + regs->nip = entry->fixup; + return 1; } } diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c index 3a8de5bb628..58d7a534f87 100644 --- a/arch/powerpc/sysdev/mpic.c +++ b/arch/powerpc/sysdev/mpic.c @@ -29,6 +29,7 @@ #include <linux/pci.h> #include <linux/slab.h> #include <linux/syscore_ops.h> +#include <linux/ratelimit.h> #include <asm/ptrace.h> #include <asm/signal.h> @@ -1648,9 +1649,8 @@ static unsigned int _mpic_get_one_irq(struct mpic *mpic, int reg) return NO_IRQ; } if (unlikely(mpic->protected && test_bit(src, mpic->protected))) { - if (printk_ratelimit()) - printk(KERN_WARNING "%s: Got protected source %d !\n", - mpic->name, (int)src); + printk_ratelimited(KERN_WARNING "%s: Got protected source %d !\n", + mpic->name, (int)src); mpic_eoi(mpic); return NO_IRQ; } @@ -1688,9 +1688,8 @@ unsigned int mpic_get_coreint_irq(void) return NO_IRQ; } if (unlikely(mpic->protected && test_bit(src, mpic->protected))) { - if (printk_ratelimit()) - printk(KERN_WARNING "%s: Got protected source %d !\n", - mpic->name, (int)src); + printk_ratelimited(KERN_WARNING "%s: Got protected source %d !\n", + mpic->name, (int)src); return NO_IRQ; } diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index 90d77bd078f..c03fef7a9c2 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -579,6 +579,7 @@ config S390_GUEST def_bool y prompt "s390 guest support for KVM (EXPERIMENTAL)" depends on 64BIT && EXPERIMENTAL + select VIRTUALIZATION select VIRTIO select VIRTIO_RING select VIRTIO_CONSOLE diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c index 52420d2785b..1d55c95f617 100644 --- a/arch/s390/kernel/smp.c +++ b/arch/s390/kernel/smp.c @@ -262,7 +262,7 @@ void smp_ctl_set_bit(int cr, int bit) memset(&parms.orvals, 0, sizeof(parms.orvals)); memset(&parms.andvals, 0xff, sizeof(parms.andvals)); - parms.orvals[cr] = 1 << bit; + parms.orvals[cr] = 1UL << bit; on_each_cpu(smp_ctl_bit_callback, &parms, 1); } EXPORT_SYMBOL(smp_ctl_set_bit); @@ -276,7 +276,7 @@ void smp_ctl_clear_bit(int cr, int bit) memset(&parms.orvals, 0, sizeof(parms.orvals)); memset(&parms.andvals, 0xff, sizeof(parms.andvals)); - parms.andvals[cr] = ~(1L << bit); + parms.andvals[cr] = ~(1UL << bit); on_each_cpu(smp_ctl_bit_callback, &parms, 1); } EXPORT_SYMBOL(smp_ctl_clear_bit); diff --git a/arch/s390/oprofile/init.c b/arch/s390/oprofile/init.c index 5995e9bc72d..0e358c2cffe 100644 --- a/arch/s390/oprofile/init.c +++ b/arch/s390/oprofile/init.c @@ -25,7 +25,7 @@ extern void s390_backtrace(struct pt_regs * const regs, unsigned int depth); #include "hwsampler.h" -#define DEFAULT_INTERVAL 4096 +#define DEFAULT_INTERVAL 4127518 #define DEFAULT_SDBT_BLOCKS 1 #define DEFAULT_SDB_BLOCKS 511 @@ -151,6 +151,12 @@ static int oprofile_hwsampler_init(struct oprofile_operations *ops) if (oprofile_max_interval == 0) return -ENODEV; + /* The initial value should be sane */ + if (oprofile_hw_interval < oprofile_min_interval) + oprofile_hw_interval = oprofile_min_interval; + if (oprofile_hw_interval > oprofile_max_interval) + oprofile_hw_interval = oprofile_max_interval; + if (oprofile_timer_init(ops)) return -ENODEV; diff --git a/arch/sh/boards/mach-ecovec24/setup.c b/arch/sh/boards/mach-ecovec24/setup.c index 3a32741cc0a..513cb1a2e6c 100644 --- a/arch/sh/boards/mach-ecovec24/setup.c +++ b/arch/sh/boards/mach-ecovec24/setup.c @@ -20,6 +20,7 @@ #include <linux/io.h> #include <linux/delay.h> #include <linux/usb/r8a66597.h> +#include <linux/usb/renesas_usbhs.h> #include <linux/i2c.h> #include <linux/i2c/tsc2007.h> #include <linux/spi/spi.h> @@ -232,6 +233,52 @@ static struct platform_device usb1_common_device = { .resource = usb1_common_resources, }; +/* + * USBHS + */ +static int usbhs_get_id(struct platform_device *pdev) +{ + return gpio_get_value(GPIO_PTB3); +} + +static struct renesas_usbhs_platform_info usbhs_info = { + .platform_callback = { + .get_id = usbhs_get_id, + }, + .driver_param = { + .buswait_bwait = 4, + .detection_delay = 5, + }, +}; + +static struct resource usbhs_resources[] = { + [0] = { + .start = 0xa4d90000, + .end = 0xa4d90124 - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = 66, + .end = 66, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device usbhs_device = { + .name = "renesas_usbhs", + .id = 1, + .dev = { + .dma_mask = NULL, /* not use dma */ + .coherent_dma_mask = 0xffffffff, + .platform_data = &usbhs_info, + }, + .num_resources = ARRAY_SIZE(usbhs_resources), + .resource = usbhs_resources, + .archdata = { + .hwblk_id = HWBLK_USB1, + }, +}; + /* LCDC */ const static struct fb_videomode ecovec_lcd_modes[] = { { @@ -897,6 +944,7 @@ static struct platform_device *ecovec_devices[] __initdata = { &sh_eth_device, &usb0_host_device, &usb1_common_device, + &usbhs_device, &lcdc_device, &ceu0_device, &ceu1_device, diff --git a/arch/sh/boot/compressed/Makefile b/arch/sh/boot/compressed/Makefile index 780e083e4d1..23bc849d9c6 100644 --- a/arch/sh/boot/compressed/Makefile +++ b/arch/sh/boot/compressed/Makefile @@ -27,8 +27,6 @@ IMAGE_OFFSET := $(shell /bin/bash -c 'printf "0x%08x" \ $(CONFIG_BOOT_LINK_OFFSET)]') endif -LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name) - ifeq ($(CONFIG_MCOUNT),y) ORIG_CFLAGS := $(KBUILD_CFLAGS) KBUILD_CFLAGS = $(subst -pg, , $(ORIG_CFLAGS)) @@ -37,7 +35,25 @@ endif LDFLAGS_vmlinux := --oformat $(ld-bfd) -Ttext $(IMAGE_OFFSET) -e startup \ -T $(obj)/../../kernel/vmlinux.lds -$(obj)/vmlinux: $(OBJECTS) $(obj)/piggy.o $(LIBGCC) FORCE +# +# Pull in the necessary libgcc bits from the in-kernel implementation. +# +lib1funcs-$(CONFIG_SUPERH32) := ashiftrt.S ashldi3.c ashrsi3.S ashlsi3.S \ + lshrsi3.S +lib1funcs-obj := \ + $(addsuffix .o, $(basename $(addprefix $(obj)/, $(lib1funcs-y)))) + +lib1funcs-dir := $(srctree)/arch/$(SRCARCH)/lib +ifeq ($(BITS),64) + lib1funcs-dir := $(addsuffix $(BITS), $(lib1funcs-dir)) +endif + +KBUILD_CFLAGS += -I$(lib1funcs-dir) + +$(addprefix $(obj)/,$(lib1funcs-y)): $(obj)/%: $(lib1funcs-dir)/% FORCE + $(call cmd,shipped) + +$(obj)/vmlinux: $(OBJECTS) $(obj)/piggy.o $(lib1funcs-obj) FORCE $(call if_changed,ld) @: diff --git a/arch/sh/configs/titan_defconfig b/arch/sh/configs/titan_defconfig index 0f558914e76..e2cbd92d520 100644 --- a/arch/sh/configs/titan_defconfig +++ b/arch/sh/configs/titan_defconfig @@ -227,7 +227,7 @@ CONFIG_USB_SERIAL=m CONFIG_USB_SERIAL_GENERIC=y CONFIG_USB_SERIAL_ARK3116=m CONFIG_USB_SERIAL_PL2303=m -CONFIG_RTC_CLASS=m +CONFIG_RTC_CLASS=y CONFIG_RTC_DRV_SH=m CONFIG_EXT2_FS=y CONFIG_EXT3_FS=y diff --git a/arch/sh/include/asm/cmpxchg-grb.h b/arch/sh/include/asm/cmpxchg-grb.h index 4676bf57693..f848dec9e48 100644 --- a/arch/sh/include/asm/cmpxchg-grb.h +++ b/arch/sh/include/asm/cmpxchg-grb.h @@ -15,8 +15,9 @@ static inline unsigned long xchg_u32(volatile u32 *m, unsigned long val) " mov.l %2, @%1 \n\t" /* store new value */ "1: mov r1, r15 \n\t" /* LOGOUT */ : "=&r" (retval), - "+r" (m) - : "r" (val) + "+r" (m), + "+r" (val) /* inhibit r15 overloading */ + : : "memory", "r0", "r1"); return retval; @@ -36,8 +37,9 @@ static inline unsigned long xchg_u8(volatile u8 *m, unsigned long val) " mov.b %2, @%1 \n\t" /* store new value */ "1: mov r1, r15 \n\t" /* LOGOUT */ : "=&r" (retval), - "+r" (m) - : "r" (val) + "+r" (m), + "+r" (val) /* inhibit r15 overloading */ + : : "memory" , "r0", "r1"); return retval; @@ -54,13 +56,14 @@ static inline unsigned long __cmpxchg_u32(volatile int *m, unsigned long old, " nop \n\t" " mov r15, r1 \n\t" /* r1 = saved sp */ " mov #-8, r15 \n\t" /* LOGIN */ - " mov.l @%1, %0 \n\t" /* load old value */ - " cmp/eq %0, %2 \n\t" + " mov.l @%3, %0 \n\t" /* load old value */ + " cmp/eq %0, %1 \n\t" " bf 1f \n\t" /* if not equal */ - " mov.l %3, @%1 \n\t" /* store new value */ + " mov.l %2, @%3 \n\t" /* store new value */ "1: mov r1, r15 \n\t" /* LOGOUT */ - : "=&r" (retval) - : "r" (m), "r" (old), "r" (new) + : "=&r" (retval), + "+r" (old), "+r" (new) /* old or new can be r15 */ + : "r" (m) : "memory" , "r0", "r1", "t"); return retval; diff --git a/arch/sh/include/asm/mmzone.h b/arch/sh/include/asm/mmzone.h index 8887baff5ef..15a8496960e 100644 --- a/arch/sh/include/asm/mmzone.h +++ b/arch/sh/include/asm/mmzone.h @@ -9,10 +9,6 @@ extern struct pglist_data *node_data[]; #define NODE_DATA(nid) (node_data[nid]) -#define node_start_pfn(nid) (NODE_DATA(nid)->node_start_pfn) -#define node_end_pfn(nid) (NODE_DATA(nid)->node_start_pfn + \ - NODE_DATA(nid)->node_spanned_pages) - static inline int pfn_to_nid(unsigned long pfn) { int nid; diff --git a/arch/sh/include/asm/processor_64.h b/arch/sh/include/asm/processor_64.h index 2a541ddb5a1..e25c4c7d6b6 100644 --- a/arch/sh/include/asm/processor_64.h +++ b/arch/sh/include/asm/processor_64.h @@ -150,7 +150,6 @@ struct thread_struct { #define SR_USER (SR_MMU | SR_FD) #define start_thread(_regs, new_pc, new_sp) \ - set_fs(USER_DS); \ _regs->sr = SR_USER; /* User mode. */ \ _regs->pc = new_pc - 4; /* Compensate syscall exit */ \ _regs->pc |= 1; /* Set SHmedia ! */ \ diff --git a/arch/sh/include/cpu-sh4/cpu/sh7724.h b/arch/sh/include/cpu-sh4/cpu/sh7724.h index 3daef8ecbc6..cbc47e6bcab 100644 --- a/arch/sh/include/cpu-sh4/cpu/sh7724.h +++ b/arch/sh/include/cpu-sh4/cpu/sh7724.h @@ -298,6 +298,14 @@ enum { SHDMA_SLAVE_SCIF4_RX, SHDMA_SLAVE_SCIF5_TX, SHDMA_SLAVE_SCIF5_RX, + SHDMA_SLAVE_USB0D0_TX, + SHDMA_SLAVE_USB0D0_RX, + SHDMA_SLAVE_USB0D1_TX, + SHDMA_SLAVE_USB0D1_RX, + SHDMA_SLAVE_USB1D0_TX, + SHDMA_SLAVE_USB1D0_RX, + SHDMA_SLAVE_USB1D1_TX, + SHDMA_SLAVE_USB1D1_RX, SHDMA_SLAVE_SDHI0_TX, SHDMA_SLAVE_SDHI0_RX, SHDMA_SLAVE_SDHI1_TX, diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7724.c b/arch/sh/kernel/cpu/sh4a/setup-sh7724.c index 0333fe9e388..134a397b191 100644 --- a/arch/sh/kernel/cpu/sh4a/setup-sh7724.c +++ b/arch/sh/kernel/cpu/sh4a/setup-sh7724.c @@ -93,6 +93,46 @@ static const struct sh_dmae_slave_config sh7724_dmae_slaves[] = { .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT), .mid_rid = 0x36, }, { + .slave_id = SHDMA_SLAVE_USB0D0_TX, + .addr = 0xA4D80100, + .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_32BIT), + .mid_rid = 0x73, + }, { + .slave_id = SHDMA_SLAVE_USB0D0_RX, + .addr = 0xA4D80100, + .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_32BIT), + .mid_rid = 0x73, + }, { + .slave_id = SHDMA_SLAVE_USB0D1_TX, + .addr = 0xA4D80120, + .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_32BIT), + .mid_rid = 0x77, + }, { + .slave_id = SHDMA_SLAVE_USB0D1_RX, + .addr = 0xA4D80120, + .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_32BIT), + .mid_rid = 0x77, + }, { + .slave_id = SHDMA_SLAVE_USB1D0_TX, + .addr = 0xA4D90100, + .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_32BIT), + .mid_rid = 0xab, + }, { + .slave_id = SHDMA_SLAVE_USB1D0_RX, + .addr = 0xA4D90100, + .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_32BIT), + .mid_rid = 0xab, + }, { + .slave_id = SHDMA_SLAVE_USB1D1_TX, + .addr = 0xA4D90120, + .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_32BIT), + .mid_rid = 0xaf, + }, { + .slave_id = SHDMA_SLAVE_USB1D1_RX, + .addr = 0xA4D90120, + .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_32BIT), + .mid_rid = 0xaf, + }, { .slave_id = SHDMA_SLAVE_SDHI0_TX, .addr = 0x04ce0030, .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_16BIT), diff --git a/arch/sh/kernel/process_32.c b/arch/sh/kernel/process_32.c index b473f0c06fb..aaf6d59c201 100644 --- a/arch/sh/kernel/process_32.c +++ b/arch/sh/kernel/process_32.c @@ -102,8 +102,6 @@ EXPORT_SYMBOL(kernel_thread); void start_thread(struct pt_regs *regs, unsigned long new_pc, unsigned long new_sp) { - set_fs(USER_DS); - regs->pr = 0; regs->sr = SR_FD; regs->pc = new_pc; diff --git a/arch/sh/mm/cache-debugfs.c b/arch/sh/mm/cache-debugfs.c index 52411462c40..11572519803 100644 --- a/arch/sh/mm/cache-debugfs.c +++ b/arch/sh/mm/cache-debugfs.c @@ -26,9 +26,9 @@ static int cache_seq_show(struct seq_file *file, void *iter) { unsigned int cache_type = (unsigned int)file->private; struct cache_info *cache; - unsigned int waysize, way, cache_size; - unsigned long ccr, base; - static unsigned long addrstart = 0; + unsigned int waysize, way; + unsigned long ccr; + unsigned long addrstart = 0; /* * Go uncached immediately so we don't skew the results any @@ -45,28 +45,13 @@ static int cache_seq_show(struct seq_file *file, void *iter) } if (cache_type == CACHE_TYPE_DCACHE) { - base = CACHE_OC_ADDRESS_ARRAY; + addrstart = CACHE_OC_ADDRESS_ARRAY; cache = ¤t_cpu_data.dcache; } else { - base = CACHE_IC_ADDRESS_ARRAY; + addrstart = CACHE_IC_ADDRESS_ARRAY; cache = ¤t_cpu_data.icache; } - /* - * Due to the amount of data written out (depending on the cache size), - * we may be iterated over multiple times. In this case, keep track of - * the entry position in addrstart, and rewind it when we've hit the - * end of the cache. - * - * Likewise, the same code is used for multiple caches, so care must - * be taken for bouncing addrstart back and forth so the appropriate - * cache is hit. - */ - cache_size = cache->ways * cache->sets * cache->linesz; - if (((addrstart & 0xff000000) != base) || - (addrstart & 0x00ffffff) > cache_size) - addrstart = base; - waysize = cache->sets; /* diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig index af32e17fa17..253986bd6bb 100644 --- a/arch/sparc/Kconfig +++ b/arch/sparc/Kconfig @@ -26,7 +26,6 @@ config SPARC select HAVE_DMA_API_DEBUG select HAVE_ARCH_JUMP_LABEL select HAVE_GENERIC_HARDIRQS - select GENERIC_HARDIRQS_NO_DEPRECATED select GENERIC_IRQ_SHOW select USE_GENERIC_SMP_HELPERS if SMP @@ -528,6 +527,23 @@ config PCI_DOMAINS config PCI_SYSCALL def_bool PCI +config PCIC_PCI + bool + depends on PCI && SPARC32 && !SPARC_LEON + default y + +config LEON_PCI + bool + depends on PCI && SPARC_LEON + default y + +config GRPCI2 + bool "GRPCI2 Host Bridge Support" + depends on LEON_PCI + default y + help + Say Y here to include the GRPCI2 Host Bridge Driver. + source "drivers/pci/Kconfig" source "drivers/pcmcia/Kconfig" diff --git a/arch/sparc/include/asm/floppy_32.h b/arch/sparc/include/asm/floppy_32.h index 482c79e2a41..7440915e86d 100644 --- a/arch/sparc/include/asm/floppy_32.h +++ b/arch/sparc/include/asm/floppy_32.h @@ -138,7 +138,7 @@ static unsigned char sun_82072_fd_inb(int port) return sun_fdc->data_82072; case 7: /* FD_DIR */ return sun_read_dir(); - }; + } panic("sun_82072_fd_inb: How did I get here?"); } @@ -161,7 +161,7 @@ static void sun_82072_fd_outb(unsigned char value, int port) case 4: /* FD_STATUS */ sun_fdc->status_82072 = value; break; - }; + } return; } @@ -186,7 +186,7 @@ static unsigned char sun_82077_fd_inb(int port) return sun_fdc->data_82077; case 7: /* FD_DIR */ return sun_read_dir(); - }; + } panic("sun_82077_fd_inb: How did I get here?"); } @@ -212,7 +212,7 @@ static void sun_82077_fd_outb(unsigned char value, int port) case 3: /* FD_TDR */ sun_fdc->tapectl_82077 = value; break; - }; + } return; } diff --git a/arch/sparc/include/asm/floppy_64.h b/arch/sparc/include/asm/floppy_64.h index 6597ce874d7..bcef1f5a2a6 100644 --- a/arch/sparc/include/asm/floppy_64.h +++ b/arch/sparc/include/asm/floppy_64.h @@ -111,7 +111,7 @@ static unsigned char sun_82077_fd_inb(unsigned long port) case 7: /* FD_DIR */ /* XXX: Is DCL on 0x80 in sun4m? */ return sbus_readb(&sun_fdc->dir_82077); - }; + } panic("sun_82072_fd_inb: How did I get here?"); } @@ -135,7 +135,7 @@ static void sun_82077_fd_outb(unsigned char value, unsigned long port) case 4: /* FD_STATUS */ sbus_writeb(value, &sun_fdc->status_82077); break; - }; + } return; } diff --git a/arch/sparc/include/asm/leon.h b/arch/sparc/include/asm/leon.h index 6bdaf1e43d2..a4e457f003e 100644 --- a/arch/sparc/include/asm/leon.h +++ b/arch/sparc/include/asm/leon.h @@ -318,6 +318,9 @@ struct device_node; extern unsigned int leon_build_device_irq(unsigned int real_irq, irq_flow_handler_t flow_handler, const char *name, int do_ack); +extern void leon_update_virq_handling(unsigned int virq, + irq_flow_handler_t flow_handler, + const char *name, int do_ack); extern void leon_clear_clock_irq(void); extern void leon_load_profile_irq(int cpu, unsigned int limit); extern void leon_init_timers(irq_handler_t counter_fn); diff --git a/arch/sparc/include/asm/leon_pci.h b/arch/sparc/include/asm/leon_pci.h new file mode 100644 index 00000000000..42b4b31a82f --- /dev/null +++ b/arch/sparc/include/asm/leon_pci.h @@ -0,0 +1,21 @@ +/* + * asm/leon_pci.h + * + * Copyright (C) 2011 Aeroflex Gaisler AB, Daniel Hellstrom + */ + +#ifndef _ASM_LEON_PCI_H_ +#define _ASM_LEON_PCI_H_ + +/* PCI related definitions */ +struct leon_pci_info { + struct pci_ops *ops; + struct resource io_space; + struct resource mem_space; + int (*map_irq)(struct pci_dev *dev, u8 slot, u8 pin); +}; + +extern void leon_pci_init(struct platform_device *ofdev, + struct leon_pci_info *info); + +#endif /* _ASM_LEON_PCI_H_ */ diff --git a/arch/sparc/include/asm/mmzone.h b/arch/sparc/include/asm/mmzone.h index e8c648741ed..99d9b9f577b 100644 --- a/arch/sparc/include/asm/mmzone.h +++ b/arch/sparc/include/asm/mmzone.h @@ -8,8 +8,6 @@ extern struct pglist_data *node_data[]; #define NODE_DATA(nid) (node_data[nid]) -#define node_start_pfn(nid) (NODE_DATA(nid)->node_start_pfn) -#define node_end_pfn(nid) (NODE_DATA(nid)->node_end_pfn) extern int numa_cpu_lookup_table[]; extern cpumask_t numa_cpumask_lookup_table[]; diff --git a/arch/sparc/include/asm/pci_32.h b/arch/sparc/include/asm/pci_32.h index 332ac9ab36b..862e3ce92b1 100644 --- a/arch/sparc/include/asm/pci_32.h +++ b/arch/sparc/include/asm/pci_32.h @@ -47,7 +47,31 @@ extern struct device_node *pci_device_to_OF_node(struct pci_dev *pdev); #endif /* __KERNEL__ */ +#ifndef CONFIG_LEON_PCI /* generic pci stuff */ #include <asm-generic/pci.h> +#else +/* + * On LEON PCI Memory space is mapped 1:1 with physical address space. + * + * I/O space is located at low 64Kbytes in PCI I/O space. The I/O addresses + * are converted into CPU addresses to virtual addresses that are mapped with + * MMU to the PCI Host PCI I/O space window which are translated to the low + * 64Kbytes by the Host controller. + */ + +extern void +pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region, + struct resource *res); + +extern void +pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res, + struct pci_bus_region *region); + +static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) +{ + return PCI_IRQ_NONE; +} +#endif #endif /* __SPARC_PCI_H */ diff --git a/arch/sparc/include/asm/pcic.h b/arch/sparc/include/asm/pcic.h index 7eb5d78f521..6676cbcc8b6 100644 --- a/arch/sparc/include/asm/pcic.h +++ b/arch/sparc/include/asm/pcic.h @@ -29,7 +29,7 @@ struct linux_pcic { int pcic_imdim; }; -#ifdef CONFIG_PCI +#ifdef CONFIG_PCIC_PCI extern int pcic_present(void); extern int pcic_probe(void); extern void pci_time_init(void); diff --git a/arch/sparc/include/asm/system_32.h b/arch/sparc/include/asm/system_32.h index 47a7e862474..aba16092a81 100644 --- a/arch/sparc/include/asm/system_32.h +++ b/arch/sparc/include/asm/system_32.h @@ -220,7 +220,7 @@ static inline unsigned long __xchg(unsigned long x, __volatile__ void * ptr, int switch (size) { case 4: return xchg_u32(ptr, x); - }; + } __xchg_called_with_bad_pointer(); return x; } diff --git a/arch/sparc/include/asm/system_64.h b/arch/sparc/include/asm/system_64.h index 3c96d3bb9f1..10bcabce97b 100644 --- a/arch/sparc/include/asm/system_64.h +++ b/arch/sparc/include/asm/system_64.h @@ -234,7 +234,7 @@ static inline unsigned long __xchg(unsigned long x, __volatile__ void * ptr, return xchg32(ptr, x); case 8: return xchg64(ptr, x); - }; + } __xchg_called_with_bad_pointer(); return x; } diff --git a/arch/sparc/kernel/Makefile b/arch/sparc/kernel/Makefile index 9cff2709a96..b90b4a1d070 100644 --- a/arch/sparc/kernel/Makefile +++ b/arch/sparc/kernel/Makefile @@ -73,7 +73,9 @@ obj-$(CONFIG_SPARC64_SMP) += cpumap.o obj-y += dma.o -obj-$(CONFIG_SPARC32_PCI) += pcic.o +obj-$(CONFIG_PCIC_PCI) += pcic.o +obj-$(CONFIG_LEON_PCI) += leon_pci.o +obj-$(CONFIG_GRPCI2) += leon_pci_grpci2.o obj-$(CONFIG_SMP) += trampoline_$(BITS).o smp_$(BITS).o obj-$(CONFIG_SPARC32_SMP) += sun4m_smp.o sun4d_smp.o leon_smp.o diff --git a/arch/sparc/kernel/apc.c b/arch/sparc/kernel/apc.c index 1e34f29e58b..caef9deb586 100644 --- a/arch/sparc/kernel/apc.c +++ b/arch/sparc/kernel/apc.c @@ -123,7 +123,7 @@ static long apc_ioctl(struct file *f, unsigned int cmd, unsigned long __arg) default: return -EINVAL; - }; + } return 0; } diff --git a/arch/sparc/kernel/auxio_32.c b/arch/sparc/kernel/auxio_32.c index 8505e0ac78b..acf5151f3c1 100644 --- a/arch/sparc/kernel/auxio_32.c +++ b/arch/sparc/kernel/auxio_32.c @@ -101,7 +101,7 @@ void set_auxio(unsigned char bits_on, unsigned char bits_off) break; default: panic("Can't set AUXIO register on this machine."); - }; + } spin_unlock_irqrestore(&auxio_lock, flags); } EXPORT_SYMBOL(set_auxio); diff --git a/arch/sparc/kernel/chmc.c b/arch/sparc/kernel/chmc.c index 668c7be5d36..5f450260981 100644 --- a/arch/sparc/kernel/chmc.c +++ b/arch/sparc/kernel/chmc.c @@ -664,7 +664,7 @@ static void chmc_interpret_one_decode_reg(struct chmc *p, int which_bank, u64 va case 0x0: bp->interleave = 16; break; - }; + } /* UK[10] is reserved, and UK[11] is not set for the SDRAM * bank size definition. diff --git a/arch/sparc/kernel/entry.S b/arch/sparc/kernel/entry.S index 8341963f4c8..9fe08a1ea6c 100644 --- a/arch/sparc/kernel/entry.S +++ b/arch/sparc/kernel/entry.S @@ -229,7 +229,7 @@ real_irq_entry: #ifdef CONFIG_SMP .globl patchme_maybe_smp_msg - cmp %l7, 12 + cmp %l7, 11 patchme_maybe_smp_msg: bgu maybe_smp4m_msg nop @@ -293,7 +293,7 @@ maybe_smp4m_msg: WRITE_PAUSE wr %l4, PSR_ET, %psr WRITE_PAUSE - sll %o2, 28, %o2 ! shift for simpler checks below + sll %o3, 28, %o2 ! shift for simpler checks below maybe_smp4m_msg_check_single: andcc %o2, 0x1, %g0 beq,a maybe_smp4m_msg_check_mask @@ -1604,7 +1604,7 @@ restore_current: retl nop -#ifdef CONFIG_PCI +#ifdef CONFIG_PCIC_PCI #include <asm/pcic.h> .align 4 @@ -1650,7 +1650,7 @@ pcic_nmi_trap_patch: rd %psr, %l0 .word 0 -#endif /* CONFIG_PCI */ +#endif /* CONFIG_PCIC_PCI */ .globl flushw_all flushw_all: diff --git a/arch/sparc/kernel/leon_kernel.c b/arch/sparc/kernel/leon_kernel.c index 2f538ac2e13..d17255a2bba 100644 --- a/arch/sparc/kernel/leon_kernel.c +++ b/arch/sparc/kernel/leon_kernel.c @@ -236,6 +236,21 @@ static unsigned int _leon_build_device_irq(struct platform_device *op, return leon_build_device_irq(real_irq, handle_simple_irq, "edge", 0); } +void leon_update_virq_handling(unsigned int virq, + irq_flow_handler_t flow_handler, + const char *name, int do_ack) +{ + unsigned long mask = (unsigned long)irq_get_chip_data(virq); + + mask &= ~LEON_DO_ACK_HW; + if (do_ack) + mask |= LEON_DO_ACK_HW; + + irq_set_chip_and_handler_name(virq, &leon_irq, + flow_handler, name); + irq_set_chip_data(virq, (void *)mask); +} + void __init leon_init_timers(irq_handler_t counter_fn) { int irq, eirq; @@ -361,6 +376,22 @@ void __init leon_init_timers(irq_handler_t counter_fn) prom_halt(); } +#ifdef CONFIG_SMP + { + unsigned long flags; + + /* + * In SMP, sun4m adds a IPI handler to IRQ trap handler that + * LEON never must take, sun4d and LEON overwrites the branch + * with a NOP. + */ + local_irq_save(flags); + patchme_maybe_smp_msg[0] = 0x01000000; /* NOP out the branch */ + local_flush_cache_all(); + local_irq_restore(flags); + } +#endif + LEON3_BYPASS_STORE_PA(&leon3_gptimer_regs->e[leon3_gptimer_idx].ctrl, LEON3_GPTIMER_EN | LEON3_GPTIMER_RL | diff --git a/arch/sparc/kernel/leon_pci.c b/arch/sparc/kernel/leon_pci.c new file mode 100644 index 00000000000..a8a9a275037 --- /dev/null +++ b/arch/sparc/kernel/leon_pci.c @@ -0,0 +1,253 @@ +/* + * leon_pci.c: LEON Host PCI support + * + * Copyright (C) 2011 Aeroflex Gaisler AB, Daniel Hellstrom + * + * Code is partially derived from pcic.c + */ + +#include <linux/of_device.h> +#include <linux/kernel.h> +#include <linux/pci.h> +#include <asm/leon.h> +#include <asm/leon_pci.h> + +/* The LEON architecture does not rely on a BIOS or bootloader to setup + * PCI for us. The Linux generic routines are used to setup resources, + * reset values of confuration-space registers settings ae preseved. + */ +void leon_pci_init(struct platform_device *ofdev, struct leon_pci_info *info) +{ + struct pci_bus *root_bus; + + root_bus = pci_scan_bus_parented(&ofdev->dev, 0, info->ops, info); + if (root_bus) { + root_bus->resource[0] = &info->io_space; + root_bus->resource[1] = &info->mem_space; + root_bus->resource[2] = NULL; + + /* Init all PCI devices into PCI tree */ + pci_bus_add_devices(root_bus); + + /* Setup IRQs of all devices using custom routines */ + pci_fixup_irqs(pci_common_swizzle, info->map_irq); + + /* Assign devices with resources */ + pci_assign_unassigned_resources(); + } +} + +/* PCI Memory and Prefetchable Memory is direct-mapped. However I/O Space is + * accessed through a Window which is translated to low 64KB in PCI space, the + * first 4KB is not used so 60KB is available. + * + * This function is used by generic code to translate resource addresses into + * PCI addresses. + */ +void pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region, + struct resource *res) +{ + struct leon_pci_info *info = dev->bus->sysdata; + + region->start = res->start; + region->end = res->end; + + if (res->flags & IORESOURCE_IO) { + region->start -= (info->io_space.start - 0x1000); + region->end -= (info->io_space.start - 0x1000); + } +} +EXPORT_SYMBOL(pcibios_resource_to_bus); + +/* see pcibios_resource_to_bus() comment */ +void pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res, + struct pci_bus_region *region) +{ + struct leon_pci_info *info = dev->bus->sysdata; + + res->start = region->start; + res->end = region->end; + + if (res->flags & IORESOURCE_IO) { + res->start += (info->io_space.start - 0x1000); + res->end += (info->io_space.start - 0x1000); + } +} +EXPORT_SYMBOL(pcibios_bus_to_resource); + +void __devinit pcibios_fixup_bus(struct pci_bus *pbus) +{ + struct leon_pci_info *info = pbus->sysdata; + struct pci_dev *dev; + int i, has_io, has_mem; + u16 cmd; + + /* Generic PCI bus probing sets these to point at + * &io{port,mem}_resouce which is wrong for us. + */ + if (pbus->self == NULL) { + pbus->resource[0] = &info->io_space; + pbus->resource[1] = &info->mem_space; + pbus->resource[2] = NULL; + } + + list_for_each_entry(dev, &pbus->devices, bus_list) { + /* + * We can not rely on that the bootloader has enabled I/O + * or memory access to PCI devices. Instead we enable it here + * if the device has BARs of respective type. + */ + has_io = has_mem = 0; + for (i = 0; i < PCI_ROM_RESOURCE; i++) { + unsigned long f = dev->resource[i].flags; + if (f & IORESOURCE_IO) + has_io = 1; + else if (f & IORESOURCE_MEM) + has_mem = 1; + } + /* ROM BARs are mapped into 32-bit memory space */ + if (dev->resource[PCI_ROM_RESOURCE].end != 0) { + dev->resource[PCI_ROM_RESOURCE].flags |= + IORESOURCE_ROM_ENABLE; + has_mem = 1; + } + pci_bus_read_config_word(pbus, dev->devfn, PCI_COMMAND, &cmd); + if (has_io && !(cmd & PCI_COMMAND_IO)) { +#ifdef CONFIG_PCI_DEBUG + printk(KERN_INFO "LEONPCI: Enabling I/O for dev %s\n", + pci_name(dev)); +#endif + cmd |= PCI_COMMAND_IO; + pci_bus_write_config_word(pbus, dev->devfn, PCI_COMMAND, + cmd); + } + if (has_mem && !(cmd & PCI_COMMAND_MEMORY)) { +#ifdef CONFIG_PCI_DEBUG + printk(KERN_INFO "LEONPCI: Enabling MEMORY for dev" + "%s\n", pci_name(dev)); +#endif + cmd |= PCI_COMMAND_MEMORY; + pci_bus_write_config_word(pbus, dev->devfn, PCI_COMMAND, + cmd); + } + } +} + +/* + * Other archs parse arguments here. + */ +char * __devinit pcibios_setup(char *str) +{ + return str; +} + +resource_size_t pcibios_align_resource(void *data, const struct resource *res, + resource_size_t size, resource_size_t align) +{ + return res->start; +} + +int pcibios_enable_device(struct pci_dev *dev, int mask) +{ + return pci_enable_resources(dev, mask); +} + +struct device_node *pci_device_to_OF_node(struct pci_dev *pdev) +{ + /* + * Currently the OpenBoot nodes are not connected with the PCI device, + * this is because the LEON PROM does not create PCI nodes. Eventually + * this will change and the same approach as pcic.c can be used to + * match PROM nodes with pci devices. + */ + return NULL; +} +EXPORT_SYMBOL(pci_device_to_OF_node); + +void __devinit pcibios_update_irq(struct pci_dev *dev, int irq) +{ +#ifdef CONFIG_PCI_DEBUG + printk(KERN_DEBUG "LEONPCI: Assigning IRQ %02d to %s\n", irq, + pci_name(dev)); +#endif + pci_write_config_byte(dev, PCI_INTERRUPT_LINE, irq); +} + +/* in/out routines taken from pcic.c + * + * This probably belongs here rather than ioport.c because + * we do not want this crud linked into SBus kernels. + * Also, think for a moment about likes of floppy.c that + * include architecture specific parts. They may want to redefine ins/outs. + * + * We do not use horrible macros here because we want to + * advance pointer by sizeof(size). + */ +void outsb(unsigned long addr, const void *src, unsigned long count) +{ + while (count) { + count -= 1; + outb(*(const char *)src, addr); + src += 1; + /* addr += 1; */ + } +} +EXPORT_SYMBOL(outsb); + +void outsw(unsigned long addr, const void *src, unsigned long count) +{ + while (count) { + count -= 2; + outw(*(const short *)src, addr); + src += 2; + /* addr += 2; */ + } +} +EXPORT_SYMBOL(outsw); + +void outsl(unsigned long addr, const void *src, unsigned long count) +{ + while (count) { + count -= 4; + outl(*(const long *)src, addr); + src += 4; + /* addr += 4; */ + } +} +EXPORT_SYMBOL(outsl); + +void insb(unsigned long addr, void *dst, unsigned long count) +{ + while (count) { + count -= 1; + *(unsigned char *)dst = inb(addr); + dst += 1; + /* addr += 1; */ + } +} +EXPORT_SYMBOL(insb); + +void insw(unsigned long addr, void *dst, unsigned long count) +{ + while (count) { + count -= 2; + *(unsigned short *)dst = inw(addr); + dst += 2; + /* addr += 2; */ + } +} +EXPORT_SYMBOL(insw); + +void insl(unsigned long addr, void *dst, unsigned long count) +{ + while (count) { + count -= 4; + /* + * XXX I am sure we are in for an unaligned trap here. + */ + *(unsigned long *)dst = inl(addr); + dst += 4; + /* addr += 4; */ + } +} +EXPORT_SYMBOL(insl); diff --git a/arch/sparc/kernel/leon_pci_grpci2.c b/arch/sparc/kernel/leon_pci_grpci2.c new file mode 100644 index 00000000000..44dc093ee33 --- /dev/null +++ b/arch/sparc/kernel/leon_pci_grpci2.c @@ -0,0 +1,897 @@ +/* + * leon_pci_grpci2.c: GRPCI2 Host PCI driver + * + * Copyright (C) 2011 Aeroflex Gaisler AB, Daniel Hellstrom + * + */ + +#include <linux/of_device.h> +#include <linux/kernel.h> +#include <linux/pci.h> +#include <linux/delay.h> +#include <linux/module.h> +#include <asm/io.h> +#include <asm/leon.h> +#include <asm/vaddrs.h> +#include <asm/sections.h> +#include <asm/leon_pci.h> + +#include "irq.h" + +struct grpci2_barcfg { + unsigned long pciadr; /* PCI Space Address */ + unsigned long ahbadr; /* PCI Base address mapped to this AHB addr */ +}; + +/* Device Node Configuration options: + * - barcfgs : Custom Configuration of Host's 6 target BARs + * - irq_mask : Limit which PCI interrupts are enabled + * - do_reset : Force PCI Reset on startup + * + * barcfgs + * ======= + * + * Optional custom Target BAR configuration (see struct grpci2_barcfg). All + * addresses are physical. Array always contains 6 elements (len=2*4*6 bytes) + * + * -1 means not configured (let host driver do default setup). + * + * [i*2+0] = PCI Address of BAR[i] on target interface + * [i*2+1] = Accessing PCI address of BAR[i] result in this AMBA address + * + * + * irq_mask + * ======== + * + * Limit which PCI interrupts are enabled. 0=Disable, 1=Enable. By default + * all are enabled. Use this when PCI interrupt pins are floating on PCB. + * int, len=4. + * bit0 = PCI INTA# + * bit1 = PCI INTB# + * bit2 = PCI INTC# + * bit3 = PCI INTD# + * + * + * reset + * ===== + * + * Force PCI reset on startup. int, len=4 + */ + +/* Enable Debugging Configuration Space Access */ +#undef GRPCI2_DEBUG_CFGACCESS + +/* + * GRPCI2 APB Register MAP + */ +struct grpci2_regs { + unsigned int ctrl; /* 0x00 Control */ + unsigned int sts_cap; /* 0x04 Status / Capabilities */ + int res1; /* 0x08 */ + unsigned int io_map; /* 0x0C I/O Map address */ + unsigned int dma_ctrl; /* 0x10 DMA */ + unsigned int dma_bdbase; /* 0x14 DMA */ + int res2[2]; /* 0x18 */ + unsigned int bars[6]; /* 0x20 read-only PCI BARs */ + int res3[2]; /* 0x38 */ + unsigned int ahbmst_map[16]; /* 0x40 AHB->PCI Map per AHB Master */ + + /* PCI Trace Buffer Registers (OPTIONAL) */ + unsigned int t_ctrl; /* 0x80 */ + unsigned int t_cnt; /* 0x84 */ + unsigned int t_adpat; /* 0x88 */ + unsigned int t_admask; /* 0x8C */ + unsigned int t_sigpat; /* 0x90 */ + unsigned int t_sigmask; /* 0x94 */ + unsigned int t_adstate; /* 0x98 */ + unsigned int t_sigstate; /* 0x9C */ +}; + +#define REGLOAD(a) (be32_to_cpu(__raw_readl(&(a)))) +#define REGSTORE(a, v) (__raw_writel(cpu_to_be32(v), &(a))) + +#define CTRL_BUS_BIT 16 + +#define CTRL_RESET (1<<31) +#define CTRL_SI (1<<27) +#define CTRL_PE (1<<26) +#define CTRL_EI (1<<25) +#define CTRL_ER (1<<24) +#define CTRL_BUS (0xff<<CTRL_BUS_BIT) +#define CTRL_HOSTINT 0xf + +#define STS_HOST_BIT 31 +#define STS_MST_BIT 30 +#define STS_TAR_BIT 29 +#define STS_DMA_BIT 28 +#define STS_DI_BIT 27 +#define STS_HI_BIT 26 +#define STS_IRQMODE_BIT 24 +#define STS_TRACE_BIT 23 +#define STS_CFGERRVALID_BIT 20 +#define STS_CFGERR_BIT 19 +#define STS_INTTYPE_BIT 12 +#define STS_INTSTS_BIT 8 +#define STS_FDEPTH_BIT 2 +#define STS_FNUM_BIT 0 + +#define STS_HOST (1<<STS_HOST_BIT) +#define STS_MST (1<<STS_MST_BIT) +#define STS_TAR (1<<STS_TAR_BIT) +#define STS_DMA (1<<STS_DMA_BIT) +#define STS_DI (1<<STS_DI_BIT) +#define STS_HI (1<<STS_HI_BIT) +#define STS_IRQMODE (0x3<<STS_IRQMODE_BIT) +#define STS_TRACE (1<<STS_TRACE_BIT) +#define STS_CFGERRVALID (1<<STS_CFGERRVALID_BIT) +#define STS_CFGERR (1<<STS_CFGERR_BIT) +#define STS_INTTYPE (0x3f<<STS_INTTYPE_BIT) +#define STS_INTSTS (0xf<<STS_INTSTS_BIT) +#define STS_FDEPTH (0x7<<STS_FDEPTH_BIT) +#define STS_FNUM (0x3<<STS_FNUM_BIT) + +#define STS_ISYSERR (1<<17) +#define STS_IDMA (1<<16) +#define STS_IDMAERR (1<<15) +#define STS_IMSTABRT (1<<14) +#define STS_ITGTABRT (1<<13) +#define STS_IPARERR (1<<12) + +#define STS_ERR_IRQ (STS_ISYSERR | STS_IMSTABRT | STS_ITGTABRT | STS_IPARERR) + +struct grpci2_bd_chan { + unsigned int ctrl; /* 0x00 DMA Control */ + unsigned int nchan; /* 0x04 Next DMA Channel Address */ + unsigned int nbd; /* 0x08 Next Data Descriptor in chan */ + unsigned int res; /* 0x0C Reserved */ +}; + +#define BD_CHAN_EN 0x80000000 +#define BD_CHAN_TYPE 0x00300000 +#define BD_CHAN_BDCNT 0x0000ffff +#define BD_CHAN_EN_BIT 31 +#define BD_CHAN_TYPE_BIT 20 +#define BD_CHAN_BDCNT_BIT 0 + +struct grpci2_bd_data { + unsigned int ctrl; /* 0x00 DMA Data Control */ + unsigned int pci_adr; /* 0x04 PCI Start Address */ + unsigned int ahb_adr; /* 0x08 AHB Start address */ + unsigned int next; /* 0x0C Next Data Descriptor in chan */ +}; + +#define BD_DATA_EN 0x80000000 +#define BD_DATA_IE 0x40000000 +#define BD_DATA_DR 0x20000000 +#define BD_DATA_TYPE 0x00300000 +#define BD_DATA_ER 0x00080000 +#define BD_DATA_LEN 0x0000ffff +#define BD_DATA_EN_BIT 31 +#define BD_DATA_IE_BIT 30 +#define BD_DATA_DR_BIT 29 +#define BD_DATA_TYPE_BIT 20 +#define BD_DATA_ER_BIT 19 +#define BD_DATA_LEN_BIT 0 + +/* GRPCI2 Capability */ +struct grpci2_cap_first { + unsigned int ctrl; + unsigned int pci2ahb_map[6]; + unsigned int ext2ahb_map; + unsigned int io_map; + unsigned int pcibar_size[6]; +}; +#define CAP9_CTRL_OFS 0 +#define CAP9_BAR_OFS 0x4 +#define CAP9_IOMAP_OFS 0x20 +#define CAP9_BARSIZE_OFS 0x24 + +struct grpci2_priv { + struct leon_pci_info info; /* must be on top of this structure */ + struct grpci2_regs *regs; + char irq; + char irq_mode; /* IRQ Mode from CAPSTS REG */ + char bt_enabled; + char do_reset; + char irq_mask; + u32 pciid; /* PCI ID of Host */ + unsigned char irq_map[4]; + + /* Virtual IRQ numbers */ + unsigned int virq_err; + unsigned int virq_dma; + + /* AHB PCI Windows */ + unsigned long pci_area; /* MEMORY */ + unsigned long pci_area_end; + unsigned long pci_io; /* I/O */ + unsigned long pci_conf; /* CONFIGURATION */ + unsigned long pci_conf_end; + unsigned long pci_io_va; + + struct grpci2_barcfg tgtbars[6]; +}; + +DEFINE_SPINLOCK(grpci2_dev_lock); +struct grpci2_priv *grpci2priv; + +int grpci2_map_irq(struct pci_dev *dev, u8 slot, u8 pin) +{ + struct grpci2_priv *priv = dev->bus->sysdata; + int irq_group; + + /* Use default IRQ decoding on PCI BUS0 according slot numbering */ + irq_group = slot & 0x3; + pin = ((pin - 1) + irq_group) & 0x3; + + return priv->irq_map[pin]; +} + +static int grpci2_cfg_r32(struct grpci2_priv *priv, unsigned int bus, + unsigned int devfn, int where, u32 *val) +{ + unsigned int *pci_conf; + unsigned long flags; + u32 tmp; + + if (where & 0x3) + return -EINVAL; + + if (bus == 0 && PCI_SLOT(devfn) != 0) + devfn += (0x8 * 6); + + /* Select bus */ + spin_lock_irqsave(&grpci2_dev_lock, flags); + REGSTORE(priv->regs->ctrl, (REGLOAD(priv->regs->ctrl) & ~(0xff << 16)) | + (bus << 16)); + spin_unlock_irqrestore(&grpci2_dev_lock, flags); + + /* clear old status */ + REGSTORE(priv->regs->sts_cap, (STS_CFGERR | STS_CFGERRVALID)); + + pci_conf = (unsigned int *) (priv->pci_conf | + (devfn << 8) | (where & 0xfc)); + tmp = LEON3_BYPASS_LOAD_PA(pci_conf); + + /* Wait until GRPCI2 signals that CFG access is done, it should be + * done instantaneously unless a DMA operation is ongoing... + */ + while ((REGLOAD(priv->regs->sts_cap) & STS_CFGERRVALID) == 0) + ; + + if (REGLOAD(priv->regs->sts_cap) & STS_CFGERR) { + *val = 0xffffffff; + } else { + /* Bus always little endian (unaffected by byte-swapping) */ + *val = flip_dword(tmp); + } + + return 0; +} + +static int grpci2_cfg_r16(struct grpci2_priv *priv, unsigned int bus, + unsigned int devfn, int where, u32 *val) +{ + u32 v; + int ret; + + if (where & 0x1) + return -EINVAL; + ret = grpci2_cfg_r32(priv, bus, devfn, where & ~0x3, &v); + *val = 0xffff & (v >> (8 * (where & 0x3))); + return ret; +} + +static int grpci2_cfg_r8(struct grpci2_priv *priv, unsigned int bus, + unsigned int devfn, int where, u32 *val) +{ + u32 v; + int ret; + + ret = grpci2_cfg_r32(priv, bus, devfn, where & ~0x3, &v); + *val = 0xff & (v >> (8 * (where & 3))); + + return ret; +} + +static int grpci2_cfg_w32(struct grpci2_priv *priv, unsigned int bus, + unsigned int devfn, int where, u32 val) +{ + unsigned int *pci_conf; + unsigned long flags; + + if (where & 0x3) + return -EINVAL; + + if (bus == 0 && PCI_SLOT(devfn) != 0) + devfn += (0x8 * 6); + + /* Select bus */ + spin_lock_irqsave(&grpci2_dev_lock, flags); + REGSTORE(priv->regs->ctrl, (REGLOAD(priv->regs->ctrl) & ~(0xff << 16)) | + (bus << 16)); + spin_unlock_irqrestore(&grpci2_dev_lock, flags); + + /* clear old status */ + REGSTORE(priv->regs->sts_cap, (STS_CFGERR | STS_CFGERRVALID)); + + pci_conf = (unsigned int *) (priv->pci_conf | + (devfn << 8) | (where & 0xfc)); + LEON3_BYPASS_STORE_PA(pci_conf, flip_dword(val)); + + /* Wait until GRPCI2 signals that CFG access is done, it should be + * done instantaneously unless a DMA operation is ongoing... + */ + while ((REGLOAD(priv->regs->sts_cap) & STS_CFGERRVALID) == 0) + ; + + return 0; +} + +static int grpci2_cfg_w16(struct grpci2_priv *priv, unsigned int bus, + unsigned int devfn, int where, u32 val) +{ + int ret; + u32 v; + + if (where & 0x1) + return -EINVAL; + ret = grpci2_cfg_r32(priv, bus, devfn, where&~3, &v); + if (ret) + return ret; + v = (v & ~(0xffff << (8 * (where & 0x3)))) | + ((0xffff & val) << (8 * (where & 0x3))); + return grpci2_cfg_w32(priv, bus, devfn, where & ~0x3, v); +} + +static int grpci2_cfg_w8(struct grpci2_priv *priv, unsigned int bus, + unsigned int devfn, int where, u32 val) +{ + int ret; + u32 v; + + ret = grpci2_cfg_r32(priv, bus, devfn, where & ~0x3, &v); + if (ret != 0) + return ret; + v = (v & ~(0xff << (8 * (where & 0x3)))) | + ((0xff & val) << (8 * (where & 0x3))); + return grpci2_cfg_w32(priv, bus, devfn, where & ~0x3, v); +} + +/* Read from Configuration Space. When entering here the PCI layer has taken + * the pci_lock spinlock and IRQ is off. + */ +static int grpci2_read_config(struct pci_bus *bus, unsigned int devfn, + int where, int size, u32 *val) +{ + struct grpci2_priv *priv = grpci2priv; + unsigned int busno = bus->number; + int ret; + + if (PCI_SLOT(devfn) > 15 || (PCI_SLOT(devfn) == 0 && busno == 0)) { + *val = ~0; + return 0; + } + + switch (size) { + case 1: + ret = grpci2_cfg_r8(priv, busno, devfn, where, val); + break; + case 2: + ret = grpci2_cfg_r16(priv, busno, devfn, where, val); + break; + case 4: + ret = grpci2_cfg_r32(priv, busno, devfn, where, val); + break; + default: + ret = -EINVAL; + break; + } + +#ifdef GRPCI2_DEBUG_CFGACCESS + printk(KERN_INFO "grpci2_read_config: [%02x:%02x:%x] ofs=%d val=%x " + "size=%d\n", busno, PCI_SLOT(devfn), PCI_FUNC(devfn), where, + *val, size); +#endif + + return ret; +} + +/* Write to Configuration Space. When entering here the PCI layer has taken + * the pci_lock spinlock and IRQ is off. + */ +static int grpci2_write_config(struct pci_bus *bus, unsigned int devfn, + int where, int size, u32 val) +{ + struct grpci2_priv *priv = grpci2priv; + unsigned int busno = bus->number; + + if (PCI_SLOT(devfn) > 15 || (PCI_SLOT(devfn) == 0 && busno == 0)) + return 0; + +#ifdef GRPCI2_DEBUG_CFGACCESS + printk(KERN_INFO "grpci2_write_config: [%02x:%02x:%x] ofs=%d size=%d " + "val=%x\n", busno, PCI_SLOT(devfn), PCI_FUNC(devfn), + where, size, val); +#endif + + switch (size) { + default: + return -EINVAL; + case 1: + return grpci2_cfg_w8(priv, busno, devfn, where, val); + case 2: + return grpci2_cfg_w16(priv, busno, devfn, where, val); + case 4: + return grpci2_cfg_w32(priv, busno, devfn, where, val); + } +} + +static struct pci_ops grpci2_ops = { + .read = grpci2_read_config, + .write = grpci2_write_config, +}; + +/* GENIRQ IRQ chip implementation for GRPCI2 irqmode=0..2. In configuration + * 3 where all PCI Interrupts has a separate IRQ on the system IRQ controller + * this is not needed and the standard IRQ controller can be used. + */ + +static void grpci2_mask_irq(struct irq_data *data) +{ + unsigned long flags; + unsigned int irqidx; + struct grpci2_priv *priv = grpci2priv; + + irqidx = (unsigned int)data->chip_data - 1; + if (irqidx > 3) /* only mask PCI interrupts here */ + return; + + spin_lock_irqsave(&grpci2_dev_lock, flags); + REGSTORE(priv->regs->ctrl, REGLOAD(priv->regs->ctrl) & ~(1 << irqidx)); + spin_unlock_irqrestore(&grpci2_dev_lock, flags); +} + +static void grpci2_unmask_irq(struct irq_data *data) +{ + unsigned long flags; + unsigned int irqidx; + struct grpci2_priv *priv = grpci2priv; + + irqidx = (unsigned int)data->chip_data - 1; + if (irqidx > 3) /* only unmask PCI interrupts here */ + return; + + spin_lock_irqsave(&grpci2_dev_lock, flags); + REGSTORE(priv->regs->ctrl, REGLOAD(priv->regs->ctrl) | (1 << irqidx)); + spin_unlock_irqrestore(&grpci2_dev_lock, flags); +} + +static unsigned int grpci2_startup_irq(struct irq_data *data) +{ + grpci2_unmask_irq(data); + return 0; +} + +static void grpci2_shutdown_irq(struct irq_data *data) +{ + grpci2_mask_irq(data); +} + +static struct irq_chip grpci2_irq = { + .name = "grpci2", + .irq_startup = grpci2_startup_irq, + .irq_shutdown = grpci2_shutdown_irq, + .irq_mask = grpci2_mask_irq, + .irq_unmask = grpci2_unmask_irq, +}; + +/* Handle one or multiple IRQs from the PCI core */ +static void grpci2_pci_flow_irq(unsigned int irq, struct irq_desc *desc) +{ + struct grpci2_priv *priv = grpci2priv; + int i, ack = 0; + unsigned int ctrl, sts_cap, pci_ints; + + ctrl = REGLOAD(priv->regs->ctrl); + sts_cap = REGLOAD(priv->regs->sts_cap); + + /* Error Interrupt? */ + if (sts_cap & STS_ERR_IRQ) { + generic_handle_irq(priv->virq_err); + ack = 1; + } + + /* PCI Interrupt? */ + pci_ints = ((~sts_cap) >> STS_INTSTS_BIT) & ctrl & CTRL_HOSTINT; + if (pci_ints) { + /* Call respective PCI Interrupt handler */ + for (i = 0; i < 4; i++) { + if (pci_ints & (1 << i)) + generic_handle_irq(priv->irq_map[i]); + } + ack = 1; + } + + /* + * Decode DMA Interrupt only when shared with Err and PCI INTX#, when + * the DMA is a unique IRQ the DMA interrupts doesn't end up here, they + * goes directly to DMA ISR. + */ + if ((priv->irq_mode == 0) && (sts_cap & (STS_IDMA | STS_IDMAERR))) { + generic_handle_irq(priv->virq_dma); + ack = 1; + } + + /* + * Call "first level" IRQ chip end-of-irq handler. It will ACK LEON IRQ + * Controller, this must be done after IRQ sources have been handled to + * avoid double IRQ generation + */ + if (ack) + desc->irq_data.chip->irq_eoi(&desc->irq_data); +} + +/* Create a virtual IRQ */ +static unsigned int grpci2_build_device_irq(unsigned int irq) +{ + unsigned int virq = 0, pil; + + pil = 1 << 8; + virq = irq_alloc(irq, pil); + if (virq == 0) + goto out; + + irq_set_chip_and_handler_name(virq, &grpci2_irq, handle_simple_irq, + "pcilvl"); + irq_set_chip_data(virq, (void *)irq); + +out: + return virq; +} + +void grpci2_hw_init(struct grpci2_priv *priv) +{ + u32 ahbadr, pciadr, bar_sz, capptr, io_map, data; + struct grpci2_regs *regs = priv->regs; + int i; + struct grpci2_barcfg *barcfg = priv->tgtbars; + + /* Reset any earlier setup */ + if (priv->do_reset) { + printk(KERN_INFO "GRPCI2: Resetting PCI bus\n"); + REGSTORE(regs->ctrl, CTRL_RESET); + ssleep(1); /* Wait for boards to settle */ + } + REGSTORE(regs->ctrl, 0); + REGSTORE(regs->sts_cap, ~0); /* Clear Status */ + REGSTORE(regs->dma_ctrl, 0); + REGSTORE(regs->dma_bdbase, 0); + + /* Translate I/O accesses to 0, I/O Space always @ PCI low 64Kbytes */ + REGSTORE(regs->io_map, REGLOAD(regs->io_map) & 0x0000ffff); + + /* set 1:1 mapping between AHB -> PCI memory space, for all Masters + * Each AHB master has it's own mapping registers. Max 16 AHB masters. + */ + for (i = 0; i < 16; i++) + REGSTORE(regs->ahbmst_map[i], priv->pci_area); + + /* Get the GRPCI2 Host PCI ID */ + grpci2_cfg_r32(priv, 0, 0, PCI_VENDOR_ID, &priv->pciid); + + /* Get address to first (always defined) capability structure */ + grpci2_cfg_r8(priv, 0, 0, PCI_CAPABILITY_LIST, &capptr); + + /* Enable/Disable Byte twisting */ + grpci2_cfg_r32(priv, 0, 0, capptr+CAP9_IOMAP_OFS, &io_map); + io_map = (io_map & ~0x1) | (priv->bt_enabled ? 1 : 0); + grpci2_cfg_w32(priv, 0, 0, capptr+CAP9_IOMAP_OFS, io_map); + + /* Setup the Host's PCI Target BARs for other peripherals to access, + * and do DMA to the host's memory. The target BARs can be sized and + * enabled individually. + * + * User may set custom target BARs, but default is: + * The first BARs is used to map kernel low (DMA is part of normal + * region on sparc which is SRMMU_MAXMEM big) main memory 1:1 to the + * PCI bus, the other BARs are disabled. We assume that the first BAR + * is always available. + */ + for (i = 0; i < 6; i++) { + if (barcfg[i].pciadr != ~0 && barcfg[i].ahbadr != ~0) { + /* Target BARs must have the proper alignment */ + ahbadr = barcfg[i].ahbadr; + pciadr = barcfg[i].pciadr; + bar_sz = ((pciadr - 1) & ~pciadr) + 1; + } else { + if (i == 0) { + /* Map main memory */ + bar_sz = 0xf0000008; /* 256MB prefetchable */ + ahbadr = 0xf0000000 & (u32)__pa(PAGE_ALIGN( + (unsigned long) &_end)); + pciadr = ahbadr; + } else { + bar_sz = 0; + ahbadr = 0; + pciadr = 0; + } + } + grpci2_cfg_w32(priv, 0, 0, capptr+CAP9_BARSIZE_OFS+i*4, bar_sz); + grpci2_cfg_w32(priv, 0, 0, PCI_BASE_ADDRESS_0+i*4, pciadr); + grpci2_cfg_w32(priv, 0, 0, capptr+CAP9_BAR_OFS+i*4, ahbadr); + printk(KERN_INFO " TGT BAR[%d]: 0x%08x (PCI)-> 0x%08x\n", + i, pciadr, ahbadr); + } + + /* set as bus master and enable pci memory responses */ + grpci2_cfg_r32(priv, 0, 0, PCI_COMMAND, &data); + data |= (PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER); + grpci2_cfg_w32(priv, 0, 0, PCI_COMMAND, data); + + /* Enable Error respone (CPU-TRAP) on illegal memory access. */ + REGSTORE(regs->ctrl, CTRL_ER | CTRL_PE); +} + +static irqreturn_t grpci2_jump_interrupt(int irq, void *arg) +{ + printk(KERN_ERR "GRPCI2: Jump IRQ happened\n"); + return IRQ_NONE; +} + +/* Handle GRPCI2 Error Interrupt */ +static irqreturn_t grpci2_err_interrupt(int irq, void *arg) +{ + struct grpci2_priv *priv = arg; + struct grpci2_regs *regs = priv->regs; + unsigned int status; + + status = REGLOAD(regs->sts_cap); + if ((status & STS_ERR_IRQ) == 0) + return IRQ_NONE; + + if (status & STS_IPARERR) + printk(KERN_ERR "GRPCI2: Parity Error\n"); + + if (status & STS_ITGTABRT) + printk(KERN_ERR "GRPCI2: Target Abort\n"); + + if (status & STS_IMSTABRT) + printk(KERN_ERR "GRPCI2: Master Abort\n"); + + if (status & STS_ISYSERR) + printk(KERN_ERR "GRPCI2: System Error\n"); + + /* Clear handled INT TYPE IRQs */ + REGSTORE(regs->sts_cap, status & STS_ERR_IRQ); + + return IRQ_HANDLED; +} + +static int __devinit grpci2_of_probe(struct platform_device *ofdev) +{ + struct grpci2_regs *regs; + struct grpci2_priv *priv; + int err, i, len; + const int *tmp; + unsigned int capability; + + if (grpci2priv) { + printk(KERN_ERR "GRPCI2: only one GRPCI2 core supported\n"); + return -ENODEV; + } + + if (ofdev->num_resources < 3) { + printk(KERN_ERR "GRPCI2: not enough APB/AHB resources\n"); + return -EIO; + } + + /* Find Device Address */ + regs = of_ioremap(&ofdev->resource[0], 0, + resource_size(&ofdev->resource[0]), + "grlib-grpci2 regs"); + if (regs == NULL) { + printk(KERN_ERR "GRPCI2: ioremap failed\n"); + return -EIO; + } + + /* + * Check that we're in Host Slot and that we can act as a Host Bridge + * and not only as target. + */ + capability = REGLOAD(regs->sts_cap); + if ((capability & STS_HOST) || !(capability & STS_MST)) { + printk(KERN_INFO "GRPCI2: not in host system slot\n"); + err = -EIO; + goto err1; + } + + priv = grpci2priv = kzalloc(sizeof(struct grpci2_priv), GFP_KERNEL); + if (grpci2priv == NULL) { + err = -ENOMEM; + goto err1; + } + memset(grpci2priv, 0, sizeof(*grpci2priv)); + priv->regs = regs; + priv->irq = ofdev->archdata.irqs[0]; /* BASE IRQ */ + priv->irq_mode = (capability & STS_IRQMODE) >> STS_IRQMODE_BIT; + + printk(KERN_INFO "GRPCI2: host found at %p, irq%d\n", regs, priv->irq); + + /* Byte twisting should be made configurable from kernel command line */ + priv->bt_enabled = 1; + + /* Let user do custom Target BAR assignment */ + tmp = of_get_property(ofdev->dev.of_node, "barcfg", &len); + if (tmp && (len == 2*4*6)) + memcpy(priv->tgtbars, tmp, 2*4*6); + else + memset(priv->tgtbars, -1, 2*4*6); + + /* Limit IRQ unmasking in irq_mode 2 and 3 */ + tmp = of_get_property(ofdev->dev.of_node, "irq_mask", &len); + if (tmp && (len == 4)) + priv->do_reset = *tmp; + else + priv->irq_mask = 0xf; + + /* Optional PCI reset. Force PCI reset on startup */ + tmp = of_get_property(ofdev->dev.of_node, "reset", &len); + if (tmp && (len == 4)) + priv->do_reset = *tmp; + else + priv->do_reset = 0; + + /* Find PCI Memory, I/O and Configuration Space Windows */ + priv->pci_area = ofdev->resource[1].start; + priv->pci_area_end = ofdev->resource[1].end+1; + priv->pci_io = ofdev->resource[2].start; + priv->pci_conf = ofdev->resource[2].start + 0x10000; + priv->pci_conf_end = priv->pci_conf + 0x10000; + priv->pci_io_va = (unsigned long)ioremap(priv->pci_io, 0x10000); + if (!priv->pci_io_va) { + err = -EIO; + goto err2; + } + + printk(KERN_INFO + "GRPCI2: MEMORY SPACE [0x%08lx - 0x%08lx]\n" + " I/O SPACE [0x%08lx - 0x%08lx]\n" + " CONFIG SPACE [0x%08lx - 0x%08lx]\n", + priv->pci_area, priv->pci_area_end-1, + priv->pci_io, priv->pci_conf-1, + priv->pci_conf, priv->pci_conf_end-1); + + /* + * I/O Space resources in I/O Window mapped into Virtual Adr Space + * We never use low 4KB because some devices seem have problems using + * address 0. + */ + memset(&priv->info.io_space, 0, sizeof(struct resource)); + priv->info.io_space.name = "GRPCI2 PCI I/O Space"; + priv->info.io_space.start = priv->pci_io_va + 0x1000; + priv->info.io_space.end = priv->pci_io_va + 0x10000 - 1; + priv->info.io_space.flags = IORESOURCE_IO; + + /* + * GRPCI2 has no prefetchable memory, map everything as + * non-prefetchable memory + */ + memset(&priv->info.mem_space, 0, sizeof(struct resource)); + priv->info.mem_space.name = "GRPCI2 PCI MEM Space"; + priv->info.mem_space.start = priv->pci_area; + priv->info.mem_space.end = priv->pci_area_end - 1; + priv->info.mem_space.flags = IORESOURCE_MEM; + + if (request_resource(&iomem_resource, &priv->info.mem_space) < 0) + goto err3; + if (request_resource(&ioport_resource, &priv->info.io_space) < 0) + goto err4; + + grpci2_hw_init(priv); + + /* + * Get PCI Interrupt to System IRQ mapping and setup IRQ handling + * Error IRQ always on PCI INTA. + */ + if (priv->irq_mode < 2) { + /* All PCI interrupts are shared using the same system IRQ */ + leon_update_virq_handling(priv->irq, grpci2_pci_flow_irq, + "pcilvl", 0); + + priv->irq_map[0] = grpci2_build_device_irq(1); + priv->irq_map[1] = grpci2_build_device_irq(2); + priv->irq_map[2] = grpci2_build_device_irq(3); + priv->irq_map[3] = grpci2_build_device_irq(4); + + priv->virq_err = grpci2_build_device_irq(5); + if (priv->irq_mode & 1) + priv->virq_dma = ofdev->archdata.irqs[1]; + else + priv->virq_dma = grpci2_build_device_irq(6); + + /* Enable IRQs on LEON IRQ controller */ + err = request_irq(priv->irq, grpci2_jump_interrupt, 0, + "GRPCI2_JUMP", priv); + if (err) + printk(KERN_ERR "GRPCI2: ERR IRQ request failed\n"); + } else { + /* All PCI interrupts have an unique IRQ interrupt */ + for (i = 0; i < 4; i++) { + /* Make LEON IRQ layer handle level IRQ by acking */ + leon_update_virq_handling(ofdev->archdata.irqs[i], + handle_fasteoi_irq, "pcilvl", + 1); + priv->irq_map[i] = ofdev->archdata.irqs[i]; + } + priv->virq_err = priv->irq_map[0]; + if (priv->irq_mode & 1) + priv->virq_dma = ofdev->archdata.irqs[4]; + else + priv->virq_dma = priv->irq_map[0]; + + /* Unmask all PCI interrupts, request_irq will not do that */ + REGSTORE(regs->ctrl, REGLOAD(regs->ctrl)|(priv->irq_mask&0xf)); + } + + /* Setup IRQ handler for non-configuration space access errors */ + err = request_irq(priv->virq_err, grpci2_err_interrupt, IRQF_SHARED, + "GRPCI2_ERR", priv); + if (err) { + printk(KERN_DEBUG "GRPCI2: ERR VIRQ request failed: %d\n", err); + goto err5; + } + + /* + * Enable Error Interrupts. PCI interrupts are unmasked once request_irq + * is called by the PCI Device drivers + */ + REGSTORE(regs->ctrl, REGLOAD(regs->ctrl) | CTRL_EI | CTRL_SI); + + /* Init common layer and scan buses */ + priv->info.ops = &grpci2_ops; + priv->info.map_irq = grpci2_map_irq; + leon_pci_init(ofdev, &priv->info); + + return 0; + +err5: + release_resource(&priv->info.io_space); +err4: + release_resource(&priv->info.mem_space); +err3: + err = -ENOMEM; + iounmap((void *)priv->pci_io_va); +err2: + kfree(priv); +err1: + of_iounmap(&ofdev->resource[0], regs, + resource_size(&ofdev->resource[0])); + return err; +} + +static struct of_device_id grpci2_of_match[] = { + { + .name = "GAISLER_GRPCI2", + }, + { + .name = "01_07c", + }, + {}, +}; + +static struct platform_driver grpci2_of_driver = { + .driver = { + .name = "grpci2", + .owner = THIS_MODULE, + .of_match_table = grpci2_of_match, + }, + .probe = grpci2_of_probe, +}; + +static int __init grpci2_init(void) +{ + return platform_driver_register(&grpci2_of_driver); +} + +subsys_initcall(grpci2_init); diff --git a/arch/sparc/kernel/module.c b/arch/sparc/kernel/module.c index 8d348c474a2..99ba5baa949 100644 --- a/arch/sparc/kernel/module.c +++ b/arch/sparc/kernel/module.c @@ -214,7 +214,7 @@ int apply_relocate_add(Elf_Shdr *sechdrs, me->name, (int) (ELF_R_TYPE(rel[i].r_info) & 0xff)); return -ENOEXEC; - }; + } } return 0; } diff --git a/arch/sparc/kernel/pci_common.c b/arch/sparc/kernel/pci_common.c index 6e3874b6448..a6895987fb7 100644 --- a/arch/sparc/kernel/pci_common.c +++ b/arch/sparc/kernel/pci_common.c @@ -281,7 +281,7 @@ static int sun4v_read_pci_cfg(struct pci_bus *bus_dev, unsigned int devfn, case 4: *value = ret & 0xffffffff; break; - }; + } return PCIBIOS_SUCCESSFUL; @@ -456,7 +456,7 @@ void pci_determine_mem_io_space(struct pci_pbm_info *pbm) default: break; - }; + } } if (!saw_io || !saw_mem) { diff --git a/arch/sparc/kernel/pci_schizo.c b/arch/sparc/kernel/pci_schizo.c index 283fbc329a4..f030b02eddd 100644 --- a/arch/sparc/kernel/pci_schizo.c +++ b/arch/sparc/kernel/pci_schizo.c @@ -264,7 +264,7 @@ static void schizo_check_iommu_error_pbm(struct pci_pbm_info *pbm, default: type_string = "ECC Error"; break; - }; + } printk("%s: IOMMU Error, type[%s]\n", pbm->name, type_string); @@ -319,7 +319,7 @@ static void schizo_check_iommu_error_pbm(struct pci_pbm_info *pbm, default: type_string = "ECC Error"; break; - }; + } printk("%s: IOMMU TAG(%d)[error(%s) ctx(%x) wr(%d) str(%d) " "sz(%dK) vpg(%08lx)]\n", pbm->name, i, type_string, @@ -1328,7 +1328,7 @@ static int __devinit schizo_pbm_init(struct pci_pbm_info *pbm, default: chipset_name = "SCHIZO"; break; - }; + } /* For SCHIZO, three OBP regs: * 1) PBM controller regs diff --git a/arch/sparc/kernel/prom_irqtrans.c b/arch/sparc/kernel/prom_irqtrans.c index 570b98f6e89..40e4936bd47 100644 --- a/arch/sparc/kernel/prom_irqtrans.c +++ b/arch/sparc/kernel/prom_irqtrans.c @@ -694,7 +694,7 @@ static unsigned int sbus_of_build_irq(struct device_node *dp, case 3: iclr = reg_base + SYSIO_ICLR_SLOT3; break; - }; + } iclr += ((unsigned long)sbus_level - 1UL) * 8UL; } diff --git a/arch/sparc/kernel/psycho_common.c b/arch/sparc/kernel/psycho_common.c index fe2af66bb19..8db48e808ed 100644 --- a/arch/sparc/kernel/psycho_common.c +++ b/arch/sparc/kernel/psycho_common.c @@ -228,7 +228,7 @@ void psycho_check_iommu_error(struct pci_pbm_info *pbm, default: type_str = "ECC Error"; break; - }; + } printk(KERN_ERR "%s: IOMMU Error, type[%s]\n", pbm->name, type_str); diff --git a/arch/sparc/kernel/sbus.c b/arch/sparc/kernel/sbus.c index 2ca32d13abc..a161b9c77f0 100644 --- a/arch/sparc/kernel/sbus.c +++ b/arch/sparc/kernel/sbus.c @@ -97,7 +97,7 @@ void sbus_set_sbus64(struct device *dev, int bursts) default: return; - }; + } val = upa_readq(cfg_reg); if (val & (1UL << 14UL)) { @@ -244,7 +244,7 @@ static unsigned int sbus_build_irq(struct platform_device *op, unsigned int ino) case 3: iclr = reg_base + SYSIO_ICLR_SLOT3; break; - }; + } iclr += ((unsigned long)sbus_level - 1UL) * 8UL; } diff --git a/arch/sparc/kernel/setup_32.c b/arch/sparc/kernel/setup_32.c index 3249d3f3234..d26e1f6c717 100644 --- a/arch/sparc/kernel/setup_32.c +++ b/arch/sparc/kernel/setup_32.c @@ -267,7 +267,7 @@ void __init setup_arch(char **cmdline_p) default: printk("UNKNOWN!\n"); break; - }; + } #ifdef CONFIG_DUMMY_CONSOLE conswitchp = &dummy_con; diff --git a/arch/sparc/kernel/setup_64.c b/arch/sparc/kernel/setup_64.c index f3b6850cc8d..c4dd0999da8 100644 --- a/arch/sparc/kernel/setup_64.c +++ b/arch/sparc/kernel/setup_64.c @@ -209,7 +209,7 @@ void __init per_cpu_patch(void) default: prom_printf("Unknown cpu type, halting.\n"); prom_halt(); - }; + } *(unsigned int *) (addr + 0) = insns[0]; wmb(); diff --git a/arch/sparc/kernel/smp_32.c b/arch/sparc/kernel/smp_32.c index d5b3958be0b..21b125341bf 100644 --- a/arch/sparc/kernel/smp_32.c +++ b/arch/sparc/kernel/smp_32.c @@ -114,7 +114,7 @@ void __init smp_cpus_done(unsigned int max_cpus) printk("UNKNOWN!\n"); BUG(); break; - }; + } } void cpu_panic(void) @@ -374,7 +374,7 @@ void __init smp_prepare_cpus(unsigned int max_cpus) printk("UNKNOWN!\n"); BUG(); break; - }; + } } /* Set this up early so that things like the scheduler can init @@ -447,7 +447,7 @@ int __cpuinit __cpu_up(unsigned int cpu) printk("UNKNOWN!\n"); BUG(); break; - }; + } if (!ret) { cpumask_set_cpu(cpu, &smp_commenced_mask); diff --git a/arch/sparc/kernel/sun4d_irq.c b/arch/sparc/kernel/sun4d_irq.c index a9ea60eb2c1..1d13c5bda0b 100644 --- a/arch/sparc/kernel/sun4d_irq.c +++ b/arch/sparc/kernel/sun4d_irq.c @@ -103,10 +103,9 @@ static void sun4d_sbus_handler_irq(int sbusl) sbil = (sbusl << 2); /* Loop for each pending SBI */ - for (sbino = 0; bus_mask; sbino++) { + for (sbino = 0; bus_mask; sbino++, bus_mask >>= 1) { unsigned int idx, mask; - bus_mask >>= 1; if (!(bus_mask & 1)) continue; /* XXX This seems to ACK the irq twice. acquire_sbi() @@ -118,19 +117,16 @@ static void sun4d_sbus_handler_irq(int sbusl) mask &= (0xf << sbil); /* Loop for each pending SBI slot */ - idx = 0; slot = (1 << sbil); - while (mask != 0) { + for (idx = 0; mask != 0; idx++, slot <<= 1) { unsigned int pil; struct irq_bucket *p; - idx++; - slot <<= 1; if (!(mask & slot)) continue; mask &= ~slot; - pil = sun4d_encode_irq(sbino, sbil, idx); + pil = sun4d_encode_irq(sbino, sbusl, idx); p = irq_map[pil]; while (p) { @@ -218,10 +214,10 @@ static void sun4d_unmask_irq(struct irq_data *data) #ifdef CONFIG_SMP spin_lock_irqsave(&sun4d_imsk_lock, flags); - cc_set_imsk_other(cpuid, cc_get_imsk_other(cpuid) | ~(1 << real_irq)); + cc_set_imsk_other(cpuid, cc_get_imsk_other(cpuid) & ~(1 << real_irq)); spin_unlock_irqrestore(&sun4d_imsk_lock, flags); #else - cc_set_imsk(cc_get_imsk() | ~(1 << real_irq)); + cc_set_imsk(cc_get_imsk() & ~(1 << real_irq)); #endif } @@ -299,26 +295,68 @@ static void __init sun4d_load_profile_irqs(void) } } +unsigned int _sun4d_build_device_irq(unsigned int real_irq, + unsigned int pil, + unsigned int board) +{ + struct sun4d_handler_data *handler_data; + unsigned int irq; + + irq = irq_alloc(real_irq, pil); + if (irq == 0) { + prom_printf("IRQ: allocate for %d %d %d failed\n", + real_irq, pil, board); + goto err_out; + } + + handler_data = irq_get_handler_data(irq); + if (unlikely(handler_data)) + goto err_out; + + handler_data = kzalloc(sizeof(struct sun4d_handler_data), GFP_ATOMIC); + if (unlikely(!handler_data)) { + prom_printf("IRQ: kzalloc(sun4d_handler_data) failed.\n"); + prom_halt(); + } + handler_data->cpuid = board_to_cpu[board]; + handler_data->real_irq = real_irq; + irq_set_chip_and_handler_name(irq, &sun4d_irq, + handle_level_irq, "level"); + irq_set_handler_data(irq, handler_data); + +err_out: + return irq; +} + + + unsigned int sun4d_build_device_irq(struct platform_device *op, unsigned int real_irq) { struct device_node *dp = op->dev.of_node; - struct device_node *io_unit, *sbi = dp->parent; + struct device_node *board_parent, *bus = dp->parent; + char *bus_connection; const struct linux_prom_registers *regs; - struct sun4d_handler_data *handler_data; unsigned int pil; unsigned int irq; int board, slot; int sbusl; - irq = 0; - while (sbi) { - if (!strcmp(sbi->name, "sbi")) + irq = real_irq; + while (bus) { + if (!strcmp(bus->name, "sbi")) { + bus_connection = "io-unit"; + break; + } + + if (!strcmp(bus->name, "bootbus")) { + bus_connection = "cpu-unit"; break; + } - sbi = sbi->parent; + bus = bus->parent; } - if (!sbi) + if (!bus) goto err_out; regs = of_get_property(dp, "reg", NULL); @@ -328,17 +366,19 @@ unsigned int sun4d_build_device_irq(struct platform_device *op, slot = regs->which_io; /* - * If SBI's parent is not io-unit or the io-unit lacks - * a "board#" property, something is very wrong. + * If Bus nodes parent is not io-unit/cpu-unit or the io-unit/cpu-unit + * lacks a "board#" property, something is very wrong. */ - if (!sbi->parent || strcmp(sbi->parent->name, "io-unit")) { - printk("%s: Error, parent is not io-unit.\n", sbi->full_name); + if (!bus->parent || strcmp(bus->parent->name, bus_connection)) { + printk(KERN_ERR "%s: Error, parent is not %s.\n", + bus->full_name, bus_connection); goto err_out; } - io_unit = sbi->parent; - board = of_getintprop_default(io_unit, "board#", -1); + board_parent = bus->parent; + board = of_getintprop_default(board_parent, "board#", -1); if (board == -1) { - printk("%s: Error, lacks board# property.\n", io_unit->full_name); + printk(KERN_ERR "%s: Error, lacks board# property.\n", + board_parent->full_name); goto err_out; } @@ -348,29 +388,17 @@ unsigned int sun4d_build_device_irq(struct platform_device *op, else pil = real_irq; - irq = irq_alloc(real_irq, pil); - if (irq == 0) - goto err_out; - - handler_data = irq_get_handler_data(irq); - if (unlikely(handler_data)) - goto err_out; - - handler_data = kzalloc(sizeof(struct sun4d_handler_data), GFP_ATOMIC); - if (unlikely(!handler_data)) { - prom_printf("IRQ: kzalloc(sun4d_handler_data) failed.\n"); - prom_halt(); - } - handler_data->cpuid = board_to_cpu[board]; - handler_data->real_irq = real_irq; - irq_set_chip_and_handler_name(irq, &sun4d_irq, - handle_level_irq, "level"); - irq_set_handler_data(irq, handler_data); - + irq = _sun4d_build_device_irq(real_irq, pil, board); err_out: - return real_irq; + return irq; } +unsigned int sun4d_build_timer_irq(unsigned int board, unsigned int real_irq) +{ + return _sun4d_build_device_irq(real_irq, real_irq, board); +} + + static void __init sun4d_fixup_trap_table(void) { #ifdef CONFIG_SMP @@ -402,6 +430,7 @@ static void __init sun4d_init_timers(irq_handler_t counter_fn) unsigned int irq; const u32 *reg; int err; + int board; dp = of_find_node_by_name(NULL, "cpu-unit"); if (!dp) { @@ -414,12 +443,19 @@ static void __init sun4d_init_timers(irq_handler_t counter_fn) * bootbus. */ reg = of_get_property(dp, "reg", NULL); - of_node_put(dp); if (!reg) { prom_printf("sun4d_init_timers: No reg property\n"); prom_halt(); } + board = of_getintprop_default(dp, "board#", -1); + if (board == -1) { + prom_printf("sun4d_init_timers: No board# property on cpu-unit\n"); + prom_halt(); + } + + of_node_put(dp); + res.start = reg[1]; res.end = reg[2] - 1; res.flags = reg[0] & 0xff; @@ -434,7 +470,7 @@ static void __init sun4d_init_timers(irq_handler_t counter_fn) master_l10_counter = &sun4d_timers->l10_cur_count; - irq = sun4d_build_device_irq(NULL, SUN4D_TIMER_IRQ); + irq = sun4d_build_timer_irq(board, SUN4D_TIMER_IRQ); err = request_irq(irq, counter_fn, IRQF_TIMER, "timer", NULL); if (err) { prom_printf("sun4d_init_timers: request_irq() failed with %d\n", diff --git a/arch/sparc/kernel/sys_sparc32.c b/arch/sparc/kernel/sys_sparc32.c index 6db18c6927f..170cd8e8eb2 100644 --- a/arch/sparc/kernel/sys_sparc32.c +++ b/arch/sparc/kernel/sys_sparc32.c @@ -109,7 +109,7 @@ asmlinkage long compat_sys_ipc(u32 call, u32 first, u32 second, u32 third, compa default: return -ENOSYS; - }; + } return -ENOSYS; } diff --git a/arch/sparc/kernel/sys_sparc_64.c b/arch/sparc/kernel/sys_sparc_64.c index 96082d30def..908b47a5ee2 100644 --- a/arch/sparc/kernel/sys_sparc_64.c +++ b/arch/sparc/kernel/sys_sparc_64.c @@ -460,7 +460,7 @@ SYSCALL_DEFINE6(sparc_ipc, unsigned int, call, int, first, unsigned long, second default: err = -ENOSYS; goto out; - }; + } } if (call <= MSGCTL) { switch (call) { @@ -481,7 +481,7 @@ SYSCALL_DEFINE6(sparc_ipc, unsigned int, call, int, first, unsigned long, second default: err = -ENOSYS; goto out; - }; + } } if (call <= SHMCTL) { switch (call) { @@ -507,7 +507,7 @@ SYSCALL_DEFINE6(sparc_ipc, unsigned int, call, int, first, unsigned long, second default: err = -ENOSYS; goto out; - }; + } } else { err = -ENOSYS; } diff --git a/arch/sparc/kernel/time_64.c b/arch/sparc/kernel/time_64.c index 2b8d54b2d85..1db6b18964d 100644 --- a/arch/sparc/kernel/time_64.c +++ b/arch/sparc/kernel/time_64.c @@ -708,7 +708,7 @@ static void sparc64_timer_setup(enum clock_event_mode mode, case CLOCK_EVT_MODE_UNUSED: WARN_ON(1); break; - }; + } } static struct clock_event_device sparc64_clockevent = { diff --git a/arch/sparc/kernel/traps_64.c b/arch/sparc/kernel/traps_64.c index 1ed547bd850..0cbdaa41cd1 100644 --- a/arch/sparc/kernel/traps_64.c +++ b/arch/sparc/kernel/traps_64.c @@ -1804,7 +1804,7 @@ static const char *sun4v_err_type_to_str(u32 type) return "warning resumable"; default: return "unknown"; - }; + } } static void sun4v_log_error(struct pt_regs *regs, struct sun4v_error_entry *ent, int cpu, const char *pfx, atomic_t *ocnt) diff --git a/arch/sparc/kernel/unaligned_64.c b/arch/sparc/kernel/unaligned_64.c index c752c4c479b..b2b019ea8ca 100644 --- a/arch/sparc/kernel/unaligned_64.c +++ b/arch/sparc/kernel/unaligned_64.c @@ -211,7 +211,7 @@ static inline int do_int_store(int reg_num, int size, unsigned long *dst_addr, default: BUG(); break; - }; + } } return __do_int_store(dst_addr, size, src_val, asi); } @@ -328,7 +328,7 @@ asmlinkage void kernel_unaligned_trap(struct pt_regs *regs, unsigned int insn) case ASI_SNFL: asi &= ~0x08; break; - }; + } switch (dir) { case load: reg_addr = fetch_reg_addr(((insn>>25)&0x1f), regs); @@ -351,7 +351,7 @@ asmlinkage void kernel_unaligned_trap(struct pt_regs *regs, unsigned int insn) default: BUG(); break; - }; + } *reg_addr = val_in; } break; diff --git a/arch/sparc/kernel/us2e_cpufreq.c b/arch/sparc/kernel/us2e_cpufreq.c index 531d54fc982..489fc15f319 100644 --- a/arch/sparc/kernel/us2e_cpufreq.c +++ b/arch/sparc/kernel/us2e_cpufreq.c @@ -176,7 +176,7 @@ static unsigned long index_to_estar_mode(unsigned int index) default: BUG(); - }; + } } static unsigned long index_to_divisor(unsigned int index) @@ -199,7 +199,7 @@ static unsigned long index_to_divisor(unsigned int index) default: BUG(); - }; + } } static unsigned long estar_to_divisor(unsigned long estar) @@ -224,7 +224,7 @@ static unsigned long estar_to_divisor(unsigned long estar) break; default: BUG(); - }; + } return ret; } diff --git a/arch/sparc/kernel/us3_cpufreq.c b/arch/sparc/kernel/us3_cpufreq.c index 9a8ceb70083..eb1624b931d 100644 --- a/arch/sparc/kernel/us3_cpufreq.c +++ b/arch/sparc/kernel/us3_cpufreq.c @@ -71,7 +71,7 @@ static unsigned long get_current_freq(unsigned int cpu, unsigned long safari_cfg break; default: BUG(); - }; + } return ret; } @@ -125,7 +125,7 @@ static void us3_set_cpu_divider_index(unsigned int cpu, unsigned int index) default: BUG(); - }; + } reg = read_safari_cfg(); diff --git a/arch/sparc/kernel/viohs.c b/arch/sparc/kernel/viohs.c index aa6ac70d4fd..29348ea139c 100644 --- a/arch/sparc/kernel/viohs.c +++ b/arch/sparc/kernel/viohs.c @@ -363,7 +363,7 @@ static int process_ver(struct vio_driver_state *vio, struct vio_ver_info *pkt) default: return handshake_failure(vio); - }; + } } static int process_attr(struct vio_driver_state *vio, void *pkt) diff --git a/arch/sparc/kernel/visemul.c b/arch/sparc/kernel/visemul.c index 9dfd2ebcb15..36357717d69 100644 --- a/arch/sparc/kernel/visemul.c +++ b/arch/sparc/kernel/visemul.c @@ -334,7 +334,7 @@ static void edge(struct pt_regs *regs, unsigned int insn, unsigned int opf) left = edge32_tab_l[(rs1 >> 2) & 0x1].left; right = edge32_tab_l[(rs2 >> 2) & 0x1].right; break; - }; + } if ((rs1 & ~0x7UL) == (rs2 & ~0x7UL)) rd_val = right & left; @@ -360,7 +360,7 @@ static void edge(struct pt_regs *regs, unsigned int insn, unsigned int opf) tstate = regs->tstate & ~(TSTATE_XCC | TSTATE_ICC); regs->tstate = tstate | (ccr << 32UL); } - }; + } } static void array(struct pt_regs *regs, unsigned int insn, unsigned int opf) @@ -392,7 +392,7 @@ static void array(struct pt_regs *regs, unsigned int insn, unsigned int opf) case ARRAY32_OPF: rd_val <<= 2; - }; + } store_reg(regs, rd_val, RD(insn)); } @@ -577,7 +577,7 @@ static void pformat(struct pt_regs *regs, unsigned int insn, unsigned int opf) *fpd_regaddr(f, RD(insn)) = rd_val; break; } - }; + } } static void pmul(struct pt_regs *regs, unsigned int insn, unsigned int opf) @@ -693,7 +693,7 @@ static void pmul(struct pt_regs *regs, unsigned int insn, unsigned int opf) *fpd_regaddr(f, RD(insn)) = rd_val; break; } - }; + } } static void pcmp(struct pt_regs *regs, unsigned int insn, unsigned int opf) @@ -786,7 +786,7 @@ static void pcmp(struct pt_regs *regs, unsigned int insn, unsigned int opf) rd_val |= 1 << i; } break; - }; + } maybe_flush_windows(0, 0, RD(insn), 0); store_reg(regs, rd_val, RD(insn)); @@ -885,7 +885,7 @@ int vis_emul(struct pt_regs *regs, unsigned int insn) case BSHUFFLE_OPF: bshuffle(regs, insn); break; - }; + } regs->tpc = regs->tnpc; regs->tnpc += 4; diff --git a/arch/sparc/mm/fault_32.c b/arch/sparc/mm/fault_32.c index b10ac4d6237..7543ddbdadb 100644 --- a/arch/sparc/mm/fault_32.c +++ b/arch/sparc/mm/fault_32.c @@ -135,7 +135,7 @@ asmlinkage int lookup_fault(unsigned long pc, unsigned long ret_pc, default: break; - }; + } memset(®s, 0, sizeof (regs)); regs.pc = pc; diff --git a/arch/sparc/mm/init_32.c b/arch/sparc/mm/init_32.c index ca217327e8d..7b00de61c5f 100644 --- a/arch/sparc/mm/init_32.c +++ b/arch/sparc/mm/init_32.c @@ -340,7 +340,7 @@ void __init paging_init(void) prom_printf("paging_init: sparc_cpu_model = %d\n", sparc_cpu_model); prom_printf("paging_init: Halting...\n"); prom_halt(); - }; + } /* Initialize the protection map with non-constant, MMU dependent values. */ protection_map[0] = PAGE_NONE; diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c index e10cd03fab8..3fd8e18bed8 100644 --- a/arch/sparc/mm/init_64.c +++ b/arch/sparc/mm/init_64.c @@ -1625,7 +1625,7 @@ static void __init sun4v_ktsb_init(void) ktsb_descr[0].pgsz_idx = HV_PGSZ_IDX_4MB; ktsb_descr[0].pgsz_mask = HV_PGSZ_MASK_4MB; break; - }; + } ktsb_descr[0].assoc = 1; ktsb_descr[0].num_ttes = KERNEL_TSB_NENTRIES; @@ -2266,7 +2266,7 @@ unsigned long pte_sz_bits(unsigned long sz) return _PAGE_SZ512K_4V; case 4 * 1024 * 1024: return _PAGE_SZ4MB_4V; - }; + } } else { switch (sz) { case 8 * 1024: @@ -2278,7 +2278,7 @@ unsigned long pte_sz_bits(unsigned long sz) return _PAGE_SZ512K_4U; case 4 * 1024 * 1024: return _PAGE_SZ4MB_4U; - }; + } } } diff --git a/arch/sparc/mm/srmmu.c b/arch/sparc/mm/srmmu.c index fe09fd8be69..cbef74e793b 100644 --- a/arch/sparc/mm/srmmu.c +++ b/arch/sparc/mm/srmmu.c @@ -1665,7 +1665,7 @@ static void __init init_swift(void) default: srmmu_modtype = Swift_ok; break; - }; + } BTFIXUPSET_CALL(flush_cache_all, swift_flush_cache_all, BTFIXUPCALL_NORM); BTFIXUPSET_CALL(flush_cache_mm, swift_flush_cache_mm, BTFIXUPCALL_NORM); @@ -2069,7 +2069,7 @@ static void __init get_srmmu_type(void) /* Some other Cypress revision, assume a 605. */ init_cypress_605(mod_rev); break; - }; + } return; } diff --git a/arch/sparc/mm/sun4c.c b/arch/sparc/mm/sun4c.c index a2350b5e68a..1cf4f198709 100644 --- a/arch/sparc/mm/sun4c.c +++ b/arch/sparc/mm/sun4c.c @@ -318,7 +318,7 @@ void __init sun4c_probe_vac(void) prom_printf("probe_vac: Didn't expect vac-linesize of %d, halting\n", sun4c_vacinfo.linesize); prom_halt(); - }; + } sun4c_flush_all(); sun4c_enable_vac(); @@ -364,7 +364,7 @@ static void __init patch_kernel_fault_handler(void) prom_printf("Unhandled number of segmaps: %d\n", num_segmaps); prom_halt(); - }; + } switch (num_contexts) { case 8: /* Default, nothing to do. */ @@ -377,7 +377,7 @@ static void __init patch_kernel_fault_handler(void) prom_printf("Unhandled number of contexts: %d\n", num_contexts); prom_halt(); - }; + } if (sun4c_vacinfo.do_hwflushes != 0) { PATCH_INSN(vac_hwflush_patch1_on, vac_hwflush_patch1); @@ -394,7 +394,7 @@ static void __init patch_kernel_fault_handler(void) prom_printf("Impossible VAC linesize %d, halting...\n", sun4c_vacinfo.linesize); prom_halt(); - }; + } } } diff --git a/arch/sparc/mm/tsb.c b/arch/sparc/mm/tsb.c index 94846151349..a5f51b22fcb 100644 --- a/arch/sparc/mm/tsb.c +++ b/arch/sparc/mm/tsb.c @@ -180,7 +180,7 @@ static void setup_tsb_params(struct mm_struct *mm, unsigned long tsb_idx, unsign printk(KERN_ERR "TSB[%s:%d]: Impossible TSB size %lu, killing process.\n", current->comm, current->pid, tsb_bytes); do_exit(SIGSEGV); - }; + } tte |= pte_sz_bits(page_sz); if (tlb_type == cheetah_plus || tlb_type == hypervisor) { @@ -215,7 +215,7 @@ static void setup_tsb_params(struct mm_struct *mm, unsigned long tsb_idx, unsign #endif default: BUG(); - }; + } hp->assoc = 1; hp->num_ttes = tsb_bytes / 16; hp->ctx_idx = 0; @@ -230,7 +230,7 @@ static void setup_tsb_params(struct mm_struct *mm, unsigned long tsb_idx, unsign #endif default: BUG(); - }; + } hp->tsb_base = tsb_paddr; hp->resv = 0; } diff --git a/arch/sparc/prom/console_32.c b/arch/sparc/prom/console_32.c index b05e3db5fa6..a00f47b16c1 100644 --- a/arch/sparc/prom/console_32.c +++ b/arch/sparc/prom/console_32.c @@ -38,7 +38,7 @@ static int prom_nbputchar(const char *buf) break; default: break; - }; + } restore_current(); spin_unlock_irqrestore(&prom_lock, flags); return i; /* Ugh, we could spin forever on unsupported proms ;( */ diff --git a/arch/sparc/prom/init_32.c b/arch/sparc/prom/init_32.c index 0a601b30063..26c64cea3c9 100644 --- a/arch/sparc/prom/init_32.c +++ b/arch/sparc/prom/init_32.c @@ -53,7 +53,7 @@ void __init prom_init(struct linux_romvec *rp) romvec->pv_romvers); prom_halt(); break; - }; + } prom_rev = romvec->pv_plugin_revision; prom_prev = romvec->pv_printrev; diff --git a/arch/sparc/prom/mp.c b/arch/sparc/prom/mp.c index 97c44c9ddbc..0da8256cf76 100644 --- a/arch/sparc/prom/mp.c +++ b/arch/sparc/prom/mp.c @@ -35,7 +35,7 @@ prom_startcpu(int cpunode, struct linux_prom_registers *ctable_reg, int ctx, cha case PROM_V3: ret = (*(romvec->v3_cpustart))(cpunode, (int) ctable_reg, ctx, pc); break; - }; + } restore_current(); spin_unlock_irqrestore(&prom_lock, flags); diff --git a/arch/tile/include/asm/mmzone.h b/arch/tile/include/asm/mmzone.h index c6344c4f32a..9d3dbce8f95 100644 --- a/arch/tile/include/asm/mmzone.h +++ b/arch/tile/include/asm/mmzone.h @@ -40,17 +40,6 @@ static inline int pfn_to_nid(unsigned long pfn) return highbits_to_node[__pfn_to_highbits(pfn)]; } -/* - * Following are macros that each numa implmentation must define. - */ - -#define node_start_pfn(nid) (NODE_DATA(nid)->node_start_pfn) -#define node_end_pfn(nid) \ -({ \ - pg_data_t *__pgdat = NODE_DATA(nid); \ - __pgdat->node_start_pfn + __pgdat->node_spanned_pages; \ -}) - #define kern_addr_valid(kaddr) virt_addr_valid((void *)kaddr) static inline int pfn_valid(int pfn) diff --git a/arch/um/include/asm/percpu.h b/arch/um/include/asm/percpu.h new file mode 100644 index 00000000000..efe7508d8ab --- /dev/null +++ b/arch/um/include/asm/percpu.h @@ -0,0 +1,6 @@ +#ifndef __UM_PERCPU_H +#define __UM_PERCPU_H + +#include <asm-generic/percpu.h> + +#endif /* __UM_PERCPU_H */ diff --git a/arch/unicore32/Kconfig b/arch/unicore32/Kconfig index d3a303246c9..e57dcce9bfd 100644 --- a/arch/unicore32/Kconfig +++ b/arch/unicore32/Kconfig @@ -231,10 +231,6 @@ config PUV3_PWM help Enable support for NB0916 PWM controllers -config PUV3_RTC - tristate "PKUnity v3 RTC Support" - depends on !ARCH_FPGA - if PUV3_NB0916 menu "PKUnity NetBook-0916 Features" diff --git a/arch/unicore32/Makefile b/arch/unicore32/Makefile index 76a8beec7d0..6af4bc415f2 100644 --- a/arch/unicore32/Makefile +++ b/arch/unicore32/Makefile @@ -40,42 +40,10 @@ core-y += arch/unicore32/mm/ libs-y += arch/unicore32/lib/ -ASM_GENERATED_DIR := $(srctree)/arch/unicore32/include/generated -LINUXINCLUDE += -I$(ASM_GENERATED_DIR) - -ASM_GENERIC_HEADERS := atomic.h auxvec.h -ASM_GENERIC_HEADERS += bitsperlong.h bug.h bugs.h -ASM_GENERIC_HEADERS += cputime.h current.h -ASM_GENERIC_HEADERS += device.h div64.h -ASM_GENERIC_HEADERS += emergency-restart.h errno.h -ASM_GENERIC_HEADERS += fb.h fcntl.h ftrace.h futex.h -ASM_GENERIC_HEADERS += hardirq.h hw_irq.h -ASM_GENERIC_HEADERS += ioctl.h ioctls.h ipcbuf.h irq_regs.h -ASM_GENERIC_HEADERS += kdebug.h kmap_types.h -ASM_GENERIC_HEADERS += local.h -ASM_GENERIC_HEADERS += mman.h module.h msgbuf.h -ASM_GENERIC_HEADERS += param.h parport.h percpu.h poll.h posix_types.h -ASM_GENERIC_HEADERS += resource.h -ASM_GENERIC_HEADERS += scatterlist.h sections.h segment.h sembuf.h serial.h -ASM_GENERIC_HEADERS += setup.h shmbuf.h shmparam.h -ASM_GENERIC_HEADERS += siginfo.h signal.h sizes.h -ASM_GENERIC_HEADERS += socket.h sockios.h stat.h statfs.h swab.h syscalls.h -ASM_GENERIC_HEADERS += termbits.h termios.h topology.h types.h -ASM_GENERIC_HEADERS += ucontext.h unaligned.h user.h -ASM_GENERIC_HEADERS += vga.h -ASM_GENERIC_HEADERS += xor.h - -archprepare: -ifneq ($(ASM_GENERATED_DIR), $(wildcard $(ASM_GENERATED_DIR))) - $(Q)mkdir -p $(ASM_GENERATED_DIR)/asm - $(Q)$(foreach a, $(ASM_GENERIC_HEADERS), \ - echo '#include <asm-generic/$a>' \ - > $(ASM_GENERATED_DIR)/asm/$a; ) -endif - boot := arch/unicore32/boot -# Default target when executing plain make +# Default defconfig and target when executing plain make +KBUILD_DEFCONFIG := $(ARCH)_defconfig KBUILD_IMAGE := zImage all: $(KBUILD_IMAGE) @@ -83,8 +51,6 @@ all: $(KBUILD_IMAGE) zImage Image uImage: vmlinux $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ -MRPROPER_DIRS += $(ASM_GENERATED_DIR) - archclean: $(Q)$(MAKE) $(clean)=$(boot) diff --git a/arch/unicore32/boot/compressed/Makefile b/arch/unicore32/boot/compressed/Makefile index 95373428cb3..b0954a2d23c 100644 --- a/arch/unicore32/boot/compressed/Makefile +++ b/arch/unicore32/boot/compressed/Makefile @@ -59,7 +59,7 @@ $(obj)/vmlinux: $(obj)/vmlinux.lds $(obj)/head.o $(obj)/piggy.o \ # We now have a PIC decompressor implementation. Decompressors running # from RAM should not define ZTEXTADDR. Decompressors running directly # from ROM or Flash must define ZTEXTADDR (preferably via the config) -ZTEXTADDR := 0 +ZTEXTADDR := 0x03000000 ZBSSADDR := ALIGN(4) SEDFLAGS_lds = s/TEXT_START/$(ZTEXTADDR)/;s/BSS_START/$(ZBSSADDR)/ diff --git a/arch/unicore32/configs/debug_defconfig b/arch/unicore32/configs/unicore32_defconfig index b5fbde9f1cb..c9dd3198b6f 100644 --- a/arch/unicore32/configs/debug_defconfig +++ b/arch/unicore32/configs/unicore32_defconfig @@ -1,6 +1,6 @@ ### General setup CONFIG_EXPERIMENTAL=y -CONFIG_LOCALVERSION="-debug" +CONFIG_LOCALVERSION="-unicore32" CONFIG_SWAP=y CONFIG_SYSVIPC=y CONFIG_POSIX_MQUEUE=y @@ -64,7 +64,6 @@ CONFIG_I2C_BATTERY_BQ27200=n CONFIG_I2C_EEPROM_AT24=n CONFIG_LCD_BACKLIGHT=n -CONFIG_PUV3_RTC=y CONFIG_PUV3_UMAL=y CONFIG_PUV3_MUSB=n CONFIG_PUV3_AC97=n @@ -167,8 +166,9 @@ CONFIG_LEDS_TRIGGER_IDE_DISK=y CONFIG_LEDS_TRIGGER_HEARTBEAT=y # Real Time Clock -CONFIG_RTC_LIB=m -CONFIG_RTC_CLASS=m +CONFIG_RTC_LIB=y +CONFIG_RTC_CLASS=y +CONFIG_RTC_DRV_PUV3=y ### File systems CONFIG_EXT2_FS=m diff --git a/arch/unicore32/include/asm/Kbuild b/arch/unicore32/include/asm/Kbuild index b200fdaca44..ca113d6999c 100644 --- a/arch/unicore32/include/asm/Kbuild +++ b/arch/unicore32/include/asm/Kbuild @@ -1,2 +1,61 @@ include include/asm-generic/Kbuild.asm +generic-y += atomic.h +generic-y += auxvec.h +generic-y += bitsperlong.h +generic-y += bug.h +generic-y += bugs.h +generic-y += cputime.h +generic-y += current.h +generic-y += device.h +generic-y += div64.h +generic-y += emergency-restart.h +generic-y += errno.h +generic-y += fb.h +generic-y += fcntl.h +generic-y += ftrace.h +generic-y += futex.h +generic-y += hardirq.h +generic-y += hw_irq.h +generic-y += ioctl.h +generic-y += ioctls.h +generic-y += ipcbuf.h +generic-y += irq_regs.h +generic-y += kdebug.h +generic-y += kmap_types.h +generic-y += local.h +generic-y += mman.h +generic-y += module.h +generic-y += msgbuf.h +generic-y += param.h +generic-y += parport.h +generic-y += percpu.h +generic-y += poll.h +generic-y += posix_types.h +generic-y += resource.h +generic-y += scatterlist.h +generic-y += sections.h +generic-y += segment.h +generic-y += sembuf.h +generic-y += serial.h +generic-y += setup.h +generic-y += shmbuf.h +generic-y += shmparam.h +generic-y += siginfo.h +generic-y += signal.h +generic-y += sizes.h +generic-y += socket.h +generic-y += sockios.h +generic-y += stat.h +generic-y += statfs.h +generic-y += swab.h +generic-y += syscalls.h +generic-y += termbits.h +generic-y += termios.h +generic-y += topology.h +generic-y += types.h +generic-y += ucontext.h +generic-y += unaligned.h +generic-y += user.h +generic-y += vga.h +generic-y += xor.h diff --git a/arch/unicore32/kernel/Makefile b/arch/unicore32/kernel/Makefile index ec23a2fb2f5..aeb0f181568 100644 --- a/arch/unicore32/kernel/Makefile +++ b/arch/unicore32/kernel/Makefile @@ -16,7 +16,6 @@ obj-$(CONFIG_UNICORE_FPU_F64) += fpu-ucf64.o obj-$(CONFIG_ARCH_PUV3) += clock.o irq.o time.o obj-$(CONFIG_PUV3_GPIO) += gpio.o -obj-$(CONFIG_PUV3_RTC) += rtc.o obj-$(CONFIG_PUV3_PWM) += pwm.o obj-$(CONFIG_PUV3_PM) += pm.o sleep.o obj-$(CONFIG_HIBERNATION) += hibernate.o hibernate_asm.o diff --git a/arch/unicore32/kernel/rtc.c b/arch/unicore32/kernel/rtc.c deleted file mode 100644 index 8cad70b3302..00000000000 --- a/arch/unicore32/kernel/rtc.c +++ /dev/null @@ -1,371 +0,0 @@ -/* - * linux/arch/unicore32/kernel/rtc.c - * - * Code specific to PKUnity SoC and UniCore ISA - * - * Maintained by GUAN Xue-tao <gxt@mprc.pku.edu.cn> - * Copyright (C) 2001-2010 Guan Xuetao - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/module.h> -#include <linux/fs.h> -#include <linux/string.h> -#include <linux/init.h> -#include <linux/platform_device.h> -#include <linux/interrupt.h> -#include <linux/rtc.h> -#include <linux/bcd.h> -#include <linux/clk.h> -#include <linux/log2.h> -#include <linux/slab.h> -#include <linux/uaccess.h> -#include <linux/io.h> - -#include <asm/irq.h> -#include <mach/hardware.h> - -static struct resource *puv3_rtc_mem; - -static int puv3_rtc_alarmno = IRQ_RTCAlarm; -static int puv3_rtc_tickno = IRQ_RTC; - -static DEFINE_SPINLOCK(puv3_rtc_pie_lock); - -/* IRQ Handlers */ - -static irqreturn_t puv3_rtc_alarmirq(int irq, void *id) -{ - struct rtc_device *rdev = id; - - writel(readl(RTC_RTSR) | RTC_RTSR_AL, RTC_RTSR); - rtc_update_irq(rdev, 1, RTC_AF | RTC_IRQF); - return IRQ_HANDLED; -} - -static irqreturn_t puv3_rtc_tickirq(int irq, void *id) -{ - struct rtc_device *rdev = id; - - writel(readl(RTC_RTSR) | RTC_RTSR_HZ, RTC_RTSR); - rtc_update_irq(rdev, 1, RTC_PF | RTC_IRQF); - return IRQ_HANDLED; -} - -/* Update control registers */ -static void puv3_rtc_setaie(int to) -{ - unsigned int tmp; - - pr_debug("%s: aie=%d\n", __func__, to); - - tmp = readl(RTC_RTSR) & ~RTC_RTSR_ALE; - - if (to) - tmp |= RTC_RTSR_ALE; - - writel(tmp, RTC_RTSR); -} - -static int puv3_rtc_setpie(struct device *dev, int enabled) -{ - unsigned int tmp; - - pr_debug("%s: pie=%d\n", __func__, enabled); - - spin_lock_irq(&puv3_rtc_pie_lock); - tmp = readl(RTC_RTSR) & ~RTC_RTSR_HZE; - - if (enabled) - tmp |= RTC_RTSR_HZE; - - writel(tmp, RTC_RTSR); - spin_unlock_irq(&puv3_rtc_pie_lock); - - return 0; -} - -/* Time read/write */ - -static int puv3_rtc_gettime(struct device *dev, struct rtc_time *rtc_tm) -{ - rtc_time_to_tm(readl(RTC_RCNR), rtc_tm); - - pr_debug("read time %02x.%02x.%02x %02x/%02x/%02x\n", - rtc_tm->tm_year, rtc_tm->tm_mon, rtc_tm->tm_mday, - rtc_tm->tm_hour, rtc_tm->tm_min, rtc_tm->tm_sec); - - return 0; -} - -static int puv3_rtc_settime(struct device *dev, struct rtc_time *tm) -{ - unsigned long rtc_count = 0; - - pr_debug("set time %02d.%02d.%02d %02d/%02d/%02d\n", - tm->tm_year, tm->tm_mon, tm->tm_mday, - tm->tm_hour, tm->tm_min, tm->tm_sec); - - rtc_tm_to_time(tm, &rtc_count); - writel(rtc_count, RTC_RCNR); - - return 0; -} - -static int puv3_rtc_getalarm(struct device *dev, struct rtc_wkalrm *alrm) -{ - struct rtc_time *alm_tm = &alrm->time; - - rtc_time_to_tm(readl(RTC_RTAR), alm_tm); - - alrm->enabled = readl(RTC_RTSR) & RTC_RTSR_ALE; - - pr_debug("read alarm %02x %02x.%02x.%02x %02x/%02x/%02x\n", - alrm->enabled, - alm_tm->tm_year, alm_tm->tm_mon, alm_tm->tm_mday, - alm_tm->tm_hour, alm_tm->tm_min, alm_tm->tm_sec); - - return 0; -} - -static int puv3_rtc_setalarm(struct device *dev, struct rtc_wkalrm *alrm) -{ - struct rtc_time *tm = &alrm->time; - unsigned long rtcalarm_count = 0; - - pr_debug("puv3_rtc_setalarm: %d, %02x/%02x/%02x %02x.%02x.%02x\n", - alrm->enabled, - tm->tm_mday & 0xff, tm->tm_mon & 0xff, tm->tm_year & 0xff, - tm->tm_hour & 0xff, tm->tm_min & 0xff, tm->tm_sec); - - rtc_tm_to_time(tm, &rtcalarm_count); - writel(rtcalarm_count, RTC_RTAR); - - puv3_rtc_setaie(alrm->enabled); - - if (alrm->enabled) - enable_irq_wake(puv3_rtc_alarmno); - else - disable_irq_wake(puv3_rtc_alarmno); - - return 0; -} - -static int puv3_rtc_proc(struct device *dev, struct seq_file *seq) -{ - seq_printf(seq, "periodic_IRQ\t: %s\n", - (readl(RTC_RTSR) & RTC_RTSR_HZE) ? "yes" : "no"); - return 0; -} - -static int puv3_rtc_open(struct device *dev) -{ - struct platform_device *pdev = to_platform_device(dev); - struct rtc_device *rtc_dev = platform_get_drvdata(pdev); - int ret; - - ret = request_irq(puv3_rtc_alarmno, puv3_rtc_alarmirq, - IRQF_DISABLED, "pkunity-rtc alarm", rtc_dev); - - if (ret) { - dev_err(dev, "IRQ%d error %d\n", puv3_rtc_alarmno, ret); - return ret; - } - - ret = request_irq(puv3_rtc_tickno, puv3_rtc_tickirq, - IRQF_DISABLED, "pkunity-rtc tick", rtc_dev); - - if (ret) { - dev_err(dev, "IRQ%d error %d\n", puv3_rtc_tickno, ret); - goto tick_err; - } - - return ret; - - tick_err: - free_irq(puv3_rtc_alarmno, rtc_dev); - return ret; -} - -static void puv3_rtc_release(struct device *dev) -{ - struct platform_device *pdev = to_platform_device(dev); - struct rtc_device *rtc_dev = platform_get_drvdata(pdev); - - /* do not clear AIE here, it may be needed for wake */ - - puv3_rtc_setpie(dev, 0); - free_irq(puv3_rtc_alarmno, rtc_dev); - free_irq(puv3_rtc_tickno, rtc_dev); -} - -static const struct rtc_class_ops puv3_rtcops = { - .open = puv3_rtc_open, - .release = puv3_rtc_release, - .read_time = puv3_rtc_gettime, - .set_time = puv3_rtc_settime, - .read_alarm = puv3_rtc_getalarm, - .set_alarm = puv3_rtc_setalarm, - .proc = puv3_rtc_proc, -}; - -static void puv3_rtc_enable(struct platform_device *pdev, int en) -{ - if (!en) { - writel(readl(RTC_RTSR) & ~RTC_RTSR_HZE, RTC_RTSR); - } else { - /* re-enable the device, and check it is ok */ - - if ((readl(RTC_RTSR) & RTC_RTSR_HZE) == 0) { - dev_info(&pdev->dev, "rtc disabled, re-enabling\n"); - writel(readl(RTC_RTSR) | RTC_RTSR_HZE, RTC_RTSR); - } - } -} - -static int puv3_rtc_remove(struct platform_device *dev) -{ - struct rtc_device *rtc = platform_get_drvdata(dev); - - platform_set_drvdata(dev, NULL); - rtc_device_unregister(rtc); - - puv3_rtc_setpie(&dev->dev, 0); - puv3_rtc_setaie(0); - - release_resource(puv3_rtc_mem); - kfree(puv3_rtc_mem); - - return 0; -} - -static int puv3_rtc_probe(struct platform_device *pdev) -{ - struct rtc_device *rtc; - struct resource *res; - int ret; - - pr_debug("%s: probe=%p\n", __func__, pdev); - - /* find the IRQs */ - - puv3_rtc_tickno = platform_get_irq(pdev, 1); - if (puv3_rtc_tickno < 0) { - dev_err(&pdev->dev, "no irq for rtc tick\n"); - return -ENOENT; - } - - puv3_rtc_alarmno = platform_get_irq(pdev, 0); - if (puv3_rtc_alarmno < 0) { - dev_err(&pdev->dev, "no irq for alarm\n"); - return -ENOENT; - } - - pr_debug("PKUnity_rtc: tick irq %d, alarm irq %d\n", - puv3_rtc_tickno, puv3_rtc_alarmno); - - /* get the memory region */ - - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (res == NULL) { - dev_err(&pdev->dev, "failed to get memory region resource\n"); - return -ENOENT; - } - - puv3_rtc_mem = request_mem_region(res->start, - res->end-res->start+1, - pdev->name); - - if (puv3_rtc_mem == NULL) { - dev_err(&pdev->dev, "failed to reserve memory region\n"); - ret = -ENOENT; - goto err_nores; - } - - puv3_rtc_enable(pdev, 1); - - /* register RTC and exit */ - - rtc = rtc_device_register("pkunity", &pdev->dev, &puv3_rtcops, - THIS_MODULE); - - if (IS_ERR(rtc)) { - dev_err(&pdev->dev, "cannot attach rtc\n"); - ret = PTR_ERR(rtc); - goto err_nortc; - } - - /* platform setup code should have handled this; sigh */ - if (!device_can_wakeup(&pdev->dev)) - device_init_wakeup(&pdev->dev, 1); - - platform_set_drvdata(pdev, rtc); - return 0; - - err_nortc: - puv3_rtc_enable(pdev, 0); - release_resource(puv3_rtc_mem); - - err_nores: - return ret; -} - -#ifdef CONFIG_PM - -/* RTC Power management control */ - -static int ticnt_save; - -static int puv3_rtc_suspend(struct platform_device *pdev, pm_message_t state) -{ - /* save RTAR for anyone using periodic interrupts */ - ticnt_save = readl(RTC_RTAR); - puv3_rtc_enable(pdev, 0); - return 0; -} - -static int puv3_rtc_resume(struct platform_device *pdev) -{ - puv3_rtc_enable(pdev, 1); - writel(ticnt_save, RTC_RTAR); - return 0; -} -#else -#define puv3_rtc_suspend NULL -#define puv3_rtc_resume NULL -#endif - -static struct platform_driver puv3_rtcdrv = { - .probe = puv3_rtc_probe, - .remove = __devexit_p(puv3_rtc_remove), - .suspend = puv3_rtc_suspend, - .resume = puv3_rtc_resume, - .driver = { - .name = "PKUnity-v3-RTC", - .owner = THIS_MODULE, - } -}; - -static char __initdata banner[] = "PKUnity-v3 RTC, (c) 2009 PKUnity Co.\n"; - -static int __init puv3_rtc_init(void) -{ - printk(banner); - return platform_driver_register(&puv3_rtcdrv); -} - -static void __exit puv3_rtc_exit(void) -{ - platform_driver_unregister(&puv3_rtcdrv); -} - -module_init(puv3_rtc_init); -module_exit(puv3_rtc_exit); - -MODULE_DESCRIPTION("RTC Driver for the PKUnity v3 chip"); -MODULE_AUTHOR("Hu Dongliang"); -MODULE_LICENSE("GPL v2"); - diff --git a/arch/unicore32/kernel/vmlinux.lds.S b/arch/unicore32/kernel/vmlinux.lds.S index 9bf7f7af52c..77e407e49a6 100644 --- a/arch/unicore32/kernel/vmlinux.lds.S +++ b/arch/unicore32/kernel/vmlinux.lds.S @@ -30,7 +30,7 @@ SECTIONS HEAD_TEXT_SECTION INIT_TEXT_SECTION(PAGE_SIZE) INIT_DATA_SECTION(16) - PERCPU(L1_CACHE_BYTES, PAGE_SIZE) + PERCPU_SECTION(L1_CACHE_BYTES) __init_end = .; _stext = .; diff --git a/arch/x86/include/asm/memblock.h b/arch/x86/include/asm/memblock.h index 19ae14ba697..0cd3800f33b 100644 --- a/arch/x86/include/asm/memblock.h +++ b/arch/x86/include/asm/memblock.h @@ -4,7 +4,6 @@ #define ARCH_DISCARD_MEMBLOCK u64 memblock_x86_find_in_range_size(u64 start, u64 *sizep, u64 align); -void memblock_x86_to_bootmem(u64 start, u64 end); void memblock_x86_reserve_range(u64 start, u64 end, char *name); void memblock_x86_free_range(u64 start, u64 end); @@ -19,5 +18,6 @@ u64 memblock_x86_hole_size(u64 start, u64 end); u64 memblock_x86_find_in_range_node(int nid, u64 start, u64 end, u64 size, u64 align); u64 memblock_x86_free_memory_in_range(u64 addr, u64 limit); u64 memblock_x86_memory_in_range(u64 addr, u64 limit); +bool memblock_x86_check_reserved_size(u64 *addrp, u64 *sizep, u64 align); #endif diff --git a/arch/x86/include/asm/mmzone_32.h b/arch/x86/include/asm/mmzone_32.h index 5e83a416eca..224e8c5eb30 100644 --- a/arch/x86/include/asm/mmzone_32.h +++ b/arch/x86/include/asm/mmzone_32.h @@ -48,17 +48,6 @@ static inline int pfn_to_nid(unsigned long pfn) #endif } -/* - * Following are macros that each numa implmentation must define. - */ - -#define node_start_pfn(nid) (NODE_DATA(nid)->node_start_pfn) -#define node_end_pfn(nid) \ -({ \ - pg_data_t *__pgdat = NODE_DATA(nid); \ - __pgdat->node_start_pfn + __pgdat->node_spanned_pages; \ -}) - static inline int pfn_valid(int pfn) { int nid = pfn_to_nid(pfn); diff --git a/arch/x86/include/asm/mmzone_64.h b/arch/x86/include/asm/mmzone_64.h index b3f88d7867c..129d9aa3ceb 100644 --- a/arch/x86/include/asm/mmzone_64.h +++ b/arch/x86/include/asm/mmzone_64.h @@ -13,8 +13,5 @@ extern struct pglist_data *node_data[]; #define NODE_DATA(nid) (node_data[nid]) -#define node_start_pfn(nid) (NODE_DATA(nid)->node_start_pfn) -#define node_end_pfn(nid) (NODE_DATA(nid)->node_start_pfn + \ - NODE_DATA(nid)->node_spanned_pages) #endif #endif /* _ASM_X86_MMZONE_64_H */ diff --git a/arch/x86/include/asm/pvclock.h b/arch/x86/include/asm/pvclock.h index 31d84acc151..a518c0a4504 100644 --- a/arch/x86/include/asm/pvclock.h +++ b/arch/x86/include/asm/pvclock.h @@ -22,6 +22,8 @@ static inline u64 pvclock_scale_delta(u64 delta, u32 mul_frac, int shift) u64 product; #ifdef __i386__ u32 tmp1, tmp2; +#else + ulong tmp; #endif if (shift < 0) @@ -42,8 +44,11 @@ static inline u64 pvclock_scale_delta(u64 delta, u32 mul_frac, int shift) : "a" ((u32)delta), "1" ((u32)(delta >> 32)), "2" (mul_frac) ); #elif defined(__x86_64__) __asm__ ( - "mul %%rdx ; shrd $32,%%rdx,%%rax" - : "=a" (product) : "0" (delta), "d" ((u64)mul_frac) ); + "mul %[mul_frac] ; shrd $32, %[hi], %[lo]" + : [lo]"=a"(product), + [hi]"=d"(tmp) + : "0"(delta), + [mul_frac]"rm"((u64)mul_frac)); #else #error implement me! #endif diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c index b961af86bfe..b9338b8cf42 100644 --- a/arch/x86/kernel/apic/apic.c +++ b/arch/x86/kernel/apic/apic.c @@ -390,7 +390,8 @@ static unsigned int reserve_eilvt_offset(int offset, unsigned int new) /* * If mask=1, the LVT entry does not generate interrupts while mask=0 - * enables the vector. See also the BKDGs. + * enables the vector. See also the BKDGs. Must be called with + * preemption disabled. */ int setup_APIC_eilvt(u8 offset, u8 vector, u8 msg_type, u8 mask) diff --git a/arch/x86/kernel/apic/x2apic_uv_x.c b/arch/x86/kernel/apic/x2apic_uv_x.c index b511a011b7d..adc66c3a1fe 100644 --- a/arch/x86/kernel/apic/x2apic_uv_x.c +++ b/arch/x86/kernel/apic/x2apic_uv_x.c @@ -632,14 +632,14 @@ late_initcall(uv_init_heartbeat); /* Direct Legacy VGA I/O traffic to designated IOH */ int uv_set_vga_state(struct pci_dev *pdev, bool decode, - unsigned int command_bits, bool change_bridge) + unsigned int command_bits, u32 flags) { int domain, bus, rc; - PR_DEVEL("devfn %x decode %d cmd %x chg_brdg %d\n", - pdev->devfn, decode, command_bits, change_bridge); + PR_DEVEL("devfn %x decode %d cmd %x flags %d\n", + pdev->devfn, decode, command_bits, flags); - if (!change_bridge) + if (!(flags & PCI_VGA_STATE_CHANGE_BRIDGE)) return 0; if ((command_bits & PCI_COMMAND_IO) == 0) diff --git a/arch/x86/kernel/devicetree.c b/arch/x86/kernel/devicetree.c index 690bc846183..9aeb78a23de 100644 --- a/arch/x86/kernel/devicetree.c +++ b/arch/x86/kernel/devicetree.c @@ -13,6 +13,7 @@ #include <linux/slab.h> #include <linux/pci.h> #include <linux/of_pci.h> +#include <linux/initrd.h> #include <asm/hpet.h> #include <asm/irq_controller.h> @@ -98,6 +99,16 @@ void * __init early_init_dt_alloc_memory_arch(u64 size, u64 align) return __alloc_bootmem(size, align, __pa(MAX_DMA_ADDRESS)); } +#ifdef CONFIG_BLK_DEV_INITRD +void __init early_init_dt_setup_initrd_arch(unsigned long start, + unsigned long end) +{ + initrd_start = (unsigned long)__va(start); + initrd_end = (unsigned long)__va(end); + initrd_below_start_ok = 1; +} +#endif + void __init add_dtb(u64 data) { initial_dtb = data + offsetof(struct setup_data, data); diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c index 2e4928d45a2..e1ba8cb24e4 100644 --- a/arch/x86/kernel/process.c +++ b/arch/x86/kernel/process.c @@ -337,7 +337,7 @@ EXPORT_SYMBOL(boot_option_idle_override); * Powermanagement idle function, if any.. */ void (*pm_idle)(void); -#if defined(CONFIG_APM_MODULE) && defined(CONFIG_APM_CPU_IDLE) +#ifdef CONFIG_APM_MODULE EXPORT_SYMBOL(pm_idle); #endif @@ -399,7 +399,7 @@ void default_idle(void) cpu_relax(); } } -#if defined(CONFIG_APM_MODULE) && defined(CONFIG_APM_CPU_IDLE) +#ifdef CONFIG_APM_MODULE EXPORT_SYMBOL(default_idle); #endif diff --git a/arch/x86/kernel/process_32.c b/arch/x86/kernel/process_32.c index 8d128783af4..a3d0dc59067 100644 --- a/arch/x86/kernel/process_32.c +++ b/arch/x86/kernel/process_32.c @@ -245,7 +245,6 @@ start_thread(struct pt_regs *regs, unsigned long new_ip, unsigned long new_sp) { set_user_gs(regs, 0); regs->fs = 0; - set_fs(USER_DS); regs->ds = __USER_DS; regs->es = __USER_DS; regs->ss = __USER_DS; diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c index 6c9dd922ac0..ca6f7ab8df3 100644 --- a/arch/x86/kernel/process_64.c +++ b/arch/x86/kernel/process_64.c @@ -338,7 +338,6 @@ start_thread_common(struct pt_regs *regs, unsigned long new_ip, regs->cs = _cs; regs->ss = _ss; regs->flags = X86_EFLAGS_IF; - set_fs(USER_DS); /* * Free the old FP and other extended state */ diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c index 33a0c11797d..9fd3137230d 100644 --- a/arch/x86/kernel/smpboot.c +++ b/arch/x86/kernel/smpboot.c @@ -285,6 +285,19 @@ notrace static void __cpuinit start_secondary(void *unused) per_cpu(cpu_state, smp_processor_id()) = CPU_ONLINE; x86_platform.nmi_init(); + /* + * Wait until the cpu which brought this one up marked it + * online before enabling interrupts. If we don't do that then + * we can end up waking up the softirq thread before this cpu + * reached the active state, which makes the scheduler unhappy + * and schedule the softirq thread on the wrong cpu. This is + * only observable with forced threaded interrupts, but in + * theory it could also happen w/o them. It's just way harder + * to achieve. + */ + while (!cpumask_test_cpu(smp_processor_id(), cpu_active_mask)) + cpu_relax(); + /* enable local interrupts */ local_irq_enable(); diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c index 6df88c7885c..adc98675cda 100644 --- a/arch/x86/kvm/emulate.c +++ b/arch/x86/kvm/emulate.c @@ -3372,7 +3372,7 @@ x86_decode_insn(struct x86_emulate_ctxt *ctxt, void *insn, int insn_len) int def_op_bytes, def_ad_bytes, goffset, simd_prefix; bool op_prefix = false; struct opcode opcode; - struct operand memop = { .type = OP_NONE }; + struct operand memop = { .type = OP_NONE }, *memopp = NULL; c->eip = ctxt->eip; c->fetch.start = c->eip; @@ -3547,9 +3547,6 @@ done_prefixes: if (memop.type == OP_MEM && c->ad_bytes != 8) memop.addr.mem.ea = (u32)memop.addr.mem.ea; - if (memop.type == OP_MEM && c->rip_relative) - memop.addr.mem.ea += c->eip; - /* * Decode and fetch the source operand: register, memory * or immediate. @@ -3571,6 +3568,7 @@ done_prefixes: c->op_bytes; srcmem_common: c->src = memop; + memopp = &c->src; break; case SrcImmU16: rc = decode_imm(ctxt, &c->src, 2, false); @@ -3667,6 +3665,7 @@ done_prefixes: case DstMem: case DstMem64: c->dst = memop; + memopp = &c->dst; if ((c->d & DstMask) == DstMem64) c->dst.bytes = 8; else @@ -3700,10 +3699,13 @@ done_prefixes: /* Special instructions do their own operand decoding. */ default: c->dst.type = OP_NONE; /* Disable writeback. */ - return 0; + break; } done: + if (memopp && memopp->type == OP_MEM && c->rip_relative) + memopp->addr.mem.ea += c->eip; + return (rc == X86EMUL_UNHANDLEABLE) ? EMULATION_FAILED : EMULATION_OK; } diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index bd14bb4c859..aee38623b76 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -565,7 +565,7 @@ gfn_to_memslot_dirty_bitmap(struct kvm_vcpu *vcpu, gfn_t gfn, static bool mapping_level_dirty_bitmap(struct kvm_vcpu *vcpu, gfn_t large_gfn) { - return gfn_to_memslot_dirty_bitmap(vcpu, large_gfn, true); + return !gfn_to_memslot_dirty_bitmap(vcpu, large_gfn, true); } static int mapping_level(struct kvm_vcpu *vcpu, gfn_t large_gfn) diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h index 6c4dc010c4c..9d03ad4dd5e 100644 --- a/arch/x86/kvm/paging_tmpl.h +++ b/arch/x86/kvm/paging_tmpl.h @@ -121,7 +121,7 @@ static int FNAME(walk_addr_generic)(struct guest_walker *walker, gva_t addr, u32 access) { pt_element_t pte; - pt_element_t __user *ptep_user; + pt_element_t __user *uninitialized_var(ptep_user); gfn_t table_gfn; unsigned index, pt_access, uninitialized_var(pte_access); gpa_t pte_gpa; diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 4c3fa0f6746..d48ec60ea42 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -2047,7 +2047,8 @@ static void ept_update_paging_mode_cr0(unsigned long *hw_cr0, unsigned long cr0, struct kvm_vcpu *vcpu) { - vmx_decache_cr3(vcpu); + if (!test_bit(VCPU_EXREG_CR3, (ulong *)&vcpu->arch.regs_avail)) + vmx_decache_cr3(vcpu); if (!(cr0 & X86_CR0_PG)) { /* From paging/starting to nonpaging */ vmcs_write32(CPU_BASED_VM_EXEC_CONTROL, diff --git a/arch/x86/mm/memblock.c b/arch/x86/mm/memblock.c index aa1169392b8..992da5ec5a6 100644 --- a/arch/x86/mm/memblock.c +++ b/arch/x86/mm/memblock.c @@ -8,7 +8,7 @@ #include <linux/range.h> /* Check for already reserved areas */ -static bool __init check_with_memblock_reserved_size(u64 *addrp, u64 *sizep, u64 align) +bool __init memblock_x86_check_reserved_size(u64 *addrp, u64 *sizep, u64 align) { struct memblock_region *r; u64 addr = *addrp, last; @@ -59,7 +59,7 @@ u64 __init memblock_x86_find_in_range_size(u64 start, u64 *sizep, u64 align) if (addr >= ei_last) continue; *sizep = ei_last - addr; - while (check_with_memblock_reserved_size(&addr, sizep, align)) + while (memblock_x86_check_reserved_size(&addr, sizep, align)) ; if (*sizep) diff --git a/arch/x86/oprofile/op_model_amd.c b/arch/x86/oprofile/op_model_amd.c index 9fd8a567fe1..9cbb710dc94 100644 --- a/arch/x86/oprofile/op_model_amd.c +++ b/arch/x86/oprofile/op_model_amd.c @@ -609,16 +609,21 @@ static int setup_ibs_ctl(int ibs_eilvt_off) return 0; } +/* + * This runs only on the current cpu. We try to find an LVT offset and + * setup the local APIC. For this we must disable preemption. On + * success we initialize all nodes with this offset. This updates then + * the offset in the IBS_CTL per-node msr. The per-core APIC setup of + * the IBS interrupt vector is called from op_amd_setup_ctrs()/op_- + * amd_cpu_shutdown() using the new offset. + */ static int force_ibs_eilvt_setup(void) { int offset; int ret; - /* - * find the next free available EILVT entry, skip offset 0, - * pin search to this cpu - */ preempt_disable(); + /* find the next free available EILVT entry, skip offset 0 */ for (offset = 1; offset < APIC_EILVT_NR_MAX; offset++) { if (get_eilvt(offset)) break; diff --git a/arch/x86/pci/acpi.c b/arch/x86/pci/acpi.c index 0972315c386..68c3c139520 100644 --- a/arch/x86/pci/acpi.c +++ b/arch/x86/pci/acpi.c @@ -188,7 +188,7 @@ static bool resource_contains(struct resource *res, resource_size_t point) return false; } -static void coalesce_windows(struct pci_root_info *info, int type) +static void coalesce_windows(struct pci_root_info *info, unsigned long type) { int i, j; struct resource *res1, *res2; diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c index 0d3a4fa3456..474356b98ed 100644 --- a/arch/x86/platform/efi/efi.c +++ b/arch/x86/platform/efi/efi.c @@ -310,14 +310,31 @@ void __init efi_reserve_boot_services(void) for (p = memmap.map; p < memmap.map_end; p += memmap.desc_size) { efi_memory_desc_t *md = p; - unsigned long long start = md->phys_addr; - unsigned long long size = md->num_pages << EFI_PAGE_SHIFT; + u64 start = md->phys_addr; + u64 size = md->num_pages << EFI_PAGE_SHIFT; if (md->type != EFI_BOOT_SERVICES_CODE && md->type != EFI_BOOT_SERVICES_DATA) continue; - - memblock_x86_reserve_range(start, start + size, "EFI Boot"); + /* Only reserve where possible: + * - Not within any already allocated areas + * - Not over any memory area (really needed, if above?) + * - Not within any part of the kernel + * - Not the bios reserved area + */ + if ((start+size >= virt_to_phys(_text) + && start <= virt_to_phys(_end)) || + !e820_all_mapped(start, start+size, E820_RAM) || + memblock_x86_check_reserved_size(&start, &size, + 1<<EFI_PAGE_SHIFT)) { + /* Could not reserve, skip it */ + md->num_pages = 0; + memblock_dbg(PFX "Could not reserve boot range " + "[0x%010llx-0x%010llx]\n", + start, start+size-1); + } else + memblock_x86_reserve_range(start, start+size, + "EFI Boot"); } } @@ -334,6 +351,10 @@ static void __init efi_free_boot_services(void) md->type != EFI_BOOT_SERVICES_DATA) continue; + /* Could not reserve boot area */ + if (!size) + continue; + free_bootmem_late(start, size); } } diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c index dd7b88f2ec7..5525163a039 100644 --- a/arch/x86/xen/enlighten.c +++ b/arch/x86/xen/enlighten.c @@ -1033,6 +1033,13 @@ static void xen_machine_halt(void) xen_reboot(SHUTDOWN_poweroff); } +static void xen_machine_power_off(void) +{ + if (pm_power_off) + pm_power_off(); + xen_reboot(SHUTDOWN_poweroff); +} + static void xen_crash_shutdown(struct pt_regs *regs) { xen_reboot(SHUTDOWN_crash); @@ -1058,7 +1065,7 @@ int xen_panic_handler_init(void) static const struct machine_ops xen_machine_ops __initconst = { .restart = xen_restart, .halt = xen_machine_halt, - .power_off = xen_machine_halt, + .power_off = xen_machine_power_off, .shutdown = xen_machine_halt, .crash_shutdown = xen_crash_shutdown, .emergency_restart = xen_emergency_restart, diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c index dc708dcc62f..673e968df3c 100644 --- a/arch/x86/xen/mmu.c +++ b/arch/x86/xen/mmu.c @@ -59,6 +59,7 @@ #include <asm/page.h> #include <asm/init.h> #include <asm/pat.h> +#include <asm/smp.h> #include <asm/xen/hypercall.h> #include <asm/xen/hypervisor.h> @@ -1231,7 +1232,7 @@ static void xen_flush_tlb_others(const struct cpumask *cpus, { struct { struct mmuext_op op; - DECLARE_BITMAP(mask, NR_CPUS); + DECLARE_BITMAP(mask, num_processors); } *args; struct multicall_space mcs; @@ -1599,6 +1600,11 @@ static void __init xen_map_identity_early(pmd_t *pmd, unsigned long max_pfn) for (pteidx = 0; pteidx < PTRS_PER_PTE; pteidx++, pfn++) { pte_t pte; +#ifdef CONFIG_X86_32 + if (pfn > max_pfn_mapped) + max_pfn_mapped = pfn; +#endif + if (!pte_none(pte_page[pteidx])) continue; @@ -1766,7 +1772,9 @@ pgd_t * __init xen_setup_kernel_pagetable(pgd_t *pgd, initial_kernel_pmd = extend_brk(sizeof(pmd_t) * PTRS_PER_PMD, PAGE_SIZE); - max_pfn_mapped = PFN_DOWN(__pa(xen_start_info->mfn_list)); + max_pfn_mapped = PFN_DOWN(__pa(xen_start_info->pt_base) + + xen_start_info->nr_pt_frames * PAGE_SIZE + + 512*1024); kernel_pmd = m2v(pgd[KERNEL_PGD_BOUNDARY].pgd); memcpy(initial_kernel_pmd, kernel_pmd, sizeof(pmd_t) * PTRS_PER_PMD); diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c index be1a464f6d6..60aeeb56948 100644 --- a/arch/x86/xen/setup.c +++ b/arch/x86/xen/setup.c @@ -227,11 +227,7 @@ char * __init xen_memory_setup(void) memcpy(map_raw, map, sizeof(map)); e820.nr_map = 0; -#ifdef CONFIG_X86_32 xen_extra_mem_start = mem_end; -#else - xen_extra_mem_start = max((1ULL << 32), mem_end); -#endif for (i = 0; i < memmap.nr_entries; i++) { unsigned long long end; @@ -266,6 +262,12 @@ char * __init xen_memory_setup(void) if (map[i].size > 0) e820_add_region(map[i].addr, map[i].size, map[i].type); } + /* Align the balloon area so that max_low_pfn does not get set + * to be at the _end_ of the PCI gap at the far end (fee01000). + * Note that xen_extra_mem_start gets set in the loop above to be + * past the last E820 region. */ + if (xen_initial_domain() && (xen_extra_mem_start < (1ULL<<32))) + xen_extra_mem_start = (1ULL<<32); /* * In domU, the ISA region is normal, usable memory, but we diff --git a/arch/x86/xen/smp.c b/arch/x86/xen/smp.c index 41038c01de4..b4533a86d7e 100644 --- a/arch/x86/xen/smp.c +++ b/arch/x86/xen/smp.c @@ -205,11 +205,18 @@ static void __init xen_smp_prepare_boot_cpu(void) static void __init xen_smp_prepare_cpus(unsigned int max_cpus) { unsigned cpu; + unsigned int i; xen_init_lock_cpu(0); smp_store_cpu_info(0); cpu_data(0).x86_max_cores = 1; + + for_each_possible_cpu(i) { + zalloc_cpumask_var(&per_cpu(cpu_sibling_map, i), GFP_KERNEL); + zalloc_cpumask_var(&per_cpu(cpu_core_map, i), GFP_KERNEL); + zalloc_cpumask_var(&per_cpu(cpu_llc_shared_map, i), GFP_KERNEL); + } set_cpu_sibling_map(0); if (xen_smp_intr_init(0)) |