diff options
Diffstat (limited to 'arch')
35 files changed, 160 insertions, 151 deletions
diff --git a/arch/arm/include/asm/dma-mapping.h b/arch/arm/include/asm/dma-mapping.h index 1cb8602dd9d..4ed149cbb32 100644 --- a/arch/arm/include/asm/dma-mapping.h +++ b/arch/arm/include/asm/dma-mapping.h @@ -256,8 +256,17 @@ int dmabounce_sync_for_cpu(struct device *, dma_addr_t, unsigned long, int dmabounce_sync_for_device(struct device *, dma_addr_t, unsigned long, size_t, enum dma_data_direction); #else -#define dmabounce_sync_for_cpu(dev,dma,off,sz,dir) (1) -#define dmabounce_sync_for_device(dev,dma,off,sz,dir) (1) +static inline int dmabounce_sync_for_cpu(struct device *d, dma_addr_t addr, + unsigned long offset, size_t size, enum dma_data_direction dir) +{ + return 1; +} + +static inline int dmabounce_sync_for_device(struct device *d, dma_addr_t addr, + unsigned long offset, size_t size, enum dma_data_direction dir) +{ + return 1; +} /** diff --git a/arch/arm/include/asm/mach/map.h b/arch/arm/include/asm/mach/map.h index cb1139ac194..39d949b63e8 100644 --- a/arch/arm/include/asm/mach/map.h +++ b/arch/arm/include/asm/mach/map.h @@ -19,12 +19,13 @@ struct map_desc { }; /* types 0-3 are defined in asm/io.h */ -#define MT_CACHECLEAN 4 -#define MT_MINICLEAN 5 -#define MT_LOW_VECTORS 6 -#define MT_HIGH_VECTORS 7 -#define MT_MEMORY 8 -#define MT_ROM 9 +#define MT_UNCACHED 4 +#define MT_CACHECLEAN 5 +#define MT_MINICLEAN 6 +#define MT_LOW_VECTORS 7 +#define MT_HIGH_VECTORS 8 +#define MT_MEMORY 9 +#define MT_ROM 10 #ifdef CONFIG_MMU extern void iotable_init(struct map_desc *, int); diff --git a/arch/arm/mach-clps711x/include/mach/hardware.h b/arch/arm/mach-clps711x/include/mach/hardware.h index 4c3e101b96c..b3ebe9e4871 100644 --- a/arch/arm/mach-clps711x/include/mach/hardware.h +++ b/arch/arm/mach-clps711x/include/mach/hardware.h @@ -94,20 +94,6 @@ #include <asm/hardware/ep7212.h> #include <asm/hardware/cs89712.h> -/* dynamic ioremap() areas */ -#define FLASH_START 0x00000000 -#define FLASH_SIZE 0x800000 -#define FLASH_WIDTH 4 - -#define SRAM_START 0x60000000 -#define SRAM_SIZE 0xc000 -#define SRAM_WIDTH 4 - -#define BOOTROM_START 0x70000000 -#define BOOTROM_SIZE 0x80 -#define BOOTROM_WIDTH 4 - - /* static cdb89712_map_io() areas */ #define REGISTER_START 0x80000000 #define REGISTER_SIZE 0x4000 @@ -198,14 +184,6 @@ #define CEIVA_FLASH_SIZE 0x100000 #define CEIVA_FLASH_WIDTH 2 -#define SRAM_START 0x60000000 -#define SRAM_SIZE 0xc000 -#define SRAM_WIDTH 4 - -#define BOOTROM_START 0x70000000 -#define BOOTROM_SIZE 0x80 -#define BOOTROM_WIDTH 4 - /* * SED1355 LCD controller */ diff --git a/arch/arm/mach-clps7500/core.c b/arch/arm/mach-clps7500/core.c index c3a33b8a5aa..7e247c04d41 100644 --- a/arch/arm/mach-clps7500/core.c +++ b/arch/arm/mach-clps7500/core.c @@ -275,9 +275,9 @@ static struct map_desc cl7500_io_desc[] __initdata = { .length = ISA_SIZE, .type = MT_DEVICE }, { /* Flash */ - .virtual = FLASH_BASE, - .pfn = __phys_to_pfn(FLASH_START), - .length = FLASH_SIZE, + .virtual = CLPS7500_FLASH_BASE, + .pfn = __phys_to_pfn(CLPS7500_FLASH_START), + .length = CLPS7500_FLASH_SIZE, .type = MT_DEVICE }, { /* LED */ .virtual = LED_BASE, diff --git a/arch/arm/mach-clps7500/include/mach/hardware.h b/arch/arm/mach-clps7500/include/mach/hardware.h index d66578a3371..a6ad1d44bad 100644 --- a/arch/arm/mach-clps7500/include/mach/hardware.h +++ b/arch/arm/mach-clps7500/include/mach/hardware.h @@ -39,9 +39,9 @@ #define ISA_SIZE 0x00010000 #define ISA_BASE 0xe1000000 -#define FLASH_START 0x01000000 /* XXX */ -#define FLASH_SIZE 0x01000000 -#define FLASH_BASE 0xe2000000 +#define CLPS7500_FLASH_START 0x01000000 /* XXX */ +#define CLPS7500_FLASH_SIZE 0x01000000 +#define CLPS7500_FLASH_BASE 0xe2000000 #define LED_START 0x0302B000 #define LED_SIZE 0x00001000 diff --git a/arch/arm/mach-h720x/include/mach/boards.h b/arch/arm/mach-h720x/include/mach/boards.h index 079b279e124..38b8e0d61fb 100644 --- a/arch/arm/mach-h720x/include/mach/boards.h +++ b/arch/arm/mach-h720x/include/mach/boards.h @@ -19,9 +19,9 @@ #ifdef CONFIG_ARCH_H7202 /* FLASH */ -#define FLASH_VIRT 0xd0000000 -#define FLASH_PHYS 0x00000000 -#define FLASH_SIZE 0x02000000 +#define H720X_FLASH_VIRT 0xd0000000 +#define H720X_FLASH_PHYS 0x00000000 +#define H720X_FLASH_SIZE 0x02000000 /* onboard LAN controller */ # define ETH0_PHYS 0x08000000 diff --git a/arch/arm/mach-integrator/include/mach/platform.h b/arch/arm/mach-integrator/include/mach/platform.h index 028b87839c0..e00a2624f26 100644 --- a/arch/arm/mach-integrator/include/mach/platform.h +++ b/arch/arm/mach-integrator/include/mach/platform.h @@ -408,27 +408,10 @@ #define uHAL_MEMORY_SIZE INTEGRATOR_SSRAM_SIZE /* - * Application Flash - * - */ -#define FLASH_BASE INTEGRATOR_FLASH_BASE -#define FLASH_SIZE INTEGRATOR_FLASH_SIZE -#define FLASH_END (FLASH_BASE + FLASH_SIZE - 1) -#define FLASH_BLOCK_SIZE SZ_128K - -/* - * Boot Flash - * - */ -#define EPROM_BASE INTEGRATOR_BOOT_ROM_HI -#define EPROM_SIZE INTEGRATOR_BOOT_ROM_SIZE -#define EPROM_END (EPROM_BASE + EPROM_SIZE - 1) - -/* * Clean base - dummy * */ -#define CLEAN_BASE EPROM_BASE +#define CLEAN_BASE INTEGRATOR_BOOT_ROM_HI /* * Timer definitions diff --git a/arch/arm/mach-realview/clock.c b/arch/arm/mach-realview/clock.c index 3e706c57833..3347c4236a6 100644 --- a/arch/arm/mach-realview/clock.c +++ b/arch/arm/mach-realview/clock.c @@ -104,7 +104,7 @@ static struct clk uart_clk = { static struct clk mmci_clk = { .name = "MCLK", - .rate = 33000000, + .rate = 24000000, }; int clk_register(struct clk *clk) diff --git a/arch/arm/mach-realview/include/mach/platform.h b/arch/arm/mach-realview/include/mach/platform.h index 4034b54950c..793a3a33271 100644 --- a/arch/arm/mach-realview/include/mach/platform.h +++ b/arch/arm/mach-realview/include/mach/platform.h @@ -239,27 +239,10 @@ #define REALVIEW_DECODE_OFFSET 0xC /* Fitted logic modules */ /* - * Application Flash - * - */ -#define FLASH_BASE REALVIEW_FLASH_BASE -#define FLASH_SIZE REALVIEW_FLASH_SIZE -#define FLASH_END (FLASH_BASE + FLASH_SIZE - 1) -#define FLASH_BLOCK_SIZE SZ_128K - -/* - * Boot Flash - * - */ -#define EPROM_BASE REALVIEW_BOOT_ROM_HI -#define EPROM_SIZE REALVIEW_BOOT_ROM_SIZE -#define EPROM_END (EPROM_BASE + EPROM_SIZE - 1) - -/* * Clean base - dummy * */ -#define CLEAN_BASE EPROM_BASE +#define CLEAN_BASE REALVIEW_BOOT_ROM_HI /* * System controller bit assignment diff --git a/arch/arm/mach-versatile/clock.c b/arch/arm/mach-versatile/clock.c index 9336508ec0b..58937f1fb38 100644 --- a/arch/arm/mach-versatile/clock.c +++ b/arch/arm/mach-versatile/clock.c @@ -105,7 +105,7 @@ static struct clk uart_clk = { static struct clk mmci_clk = { .name = "MCLK", - .rate = 33000000, + .rate = 24000000, }; int clk_register(struct clk *clk) diff --git a/arch/arm/mach-versatile/include/mach/platform.h b/arch/arm/mach-versatile/include/mach/platform.h index 27cbe6a3f22..f91ba930ca8 100644 --- a/arch/arm/mach-versatile/include/mach/platform.h +++ b/arch/arm/mach-versatile/include/mach/platform.h @@ -436,28 +436,12 @@ #define SIC_INTMASK_PCI1 (1 << SIC_INT_PCI1) #define SIC_INTMASK_PCI2 (1 << SIC_INT_PCI2) #define SIC_INTMASK_PCI3 (1 << SIC_INT_PCI3) -/* - * Application Flash - * - */ -#define FLASH_BASE VERSATILE_FLASH_BASE -#define FLASH_SIZE VERSATILE_FLASH_SIZE -#define FLASH_END (FLASH_BASE + FLASH_SIZE - 1) -#define FLASH_BLOCK_SIZE SZ_128K - -/* - * Boot Flash - * - */ -#define EPROM_BASE VERSATILE_BOOT_ROM_HI -#define EPROM_SIZE VERSATILE_BOOT_ROM_SIZE -#define EPROM_END (EPROM_BASE + EPROM_SIZE - 1) /* * Clean base - dummy * */ -#define CLEAN_BASE EPROM_BASE +#define CLEAN_BASE VERSATILE_BOOT_ROM_HI /* * System controller bit assignment diff --git a/arch/arm/mm/cache-feroceon-l2.c b/arch/arm/mm/cache-feroceon-l2.c index 13cdae8b0d4..80cd207cbae 100644 --- a/arch/arm/mm/cache-feroceon-l2.c +++ b/arch/arm/mm/cache-feroceon-l2.c @@ -150,7 +150,7 @@ static void feroceon_l2_inv_range(unsigned long start, unsigned long end) /* * Clean and invalidate partial last cache line. */ - if (end & (CACHE_LINE_SIZE - 1)) { + if (start < end && end & (CACHE_LINE_SIZE - 1)) { l2_clean_inv_pa(end & ~(CACHE_LINE_SIZE - 1)); end &= ~(CACHE_LINE_SIZE - 1); } @@ -158,7 +158,7 @@ static void feroceon_l2_inv_range(unsigned long start, unsigned long end) /* * Invalidate all full cache lines between 'start' and 'end'. */ - while (start != end) { + while (start < end) { unsigned long range_end = calc_range_end(start, end); l2_inv_pa_range(start, range_end - CACHE_LINE_SIZE); start = range_end; diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c index e63db11f16a..7f36c825718 100644 --- a/arch/arm/mm/mmu.c +++ b/arch/arm/mm/mmu.c @@ -208,6 +208,12 @@ static struct mem_type mem_types[] = { .prot_sect = PROT_SECT_DEVICE, .domain = DOMAIN_IO, }, + [MT_UNCACHED] = { + .prot_pte = PROT_PTE_DEVICE, + .prot_l1 = PMD_TYPE_TABLE, + .prot_sect = PMD_TYPE_SECT | PMD_SECT_XN, + .domain = DOMAIN_IO, + }, [MT_CACHECLEAN] = { .prot_sect = PMD_TYPE_SECT | PMD_SECT_XN, .domain = DOMAIN_KERNEL, diff --git a/arch/arm/plat-iop/setup.c b/arch/arm/plat-iop/setup.c index 4689db638e9..9e573e78176 100644 --- a/arch/arm/plat-iop/setup.c +++ b/arch/arm/plat-iop/setup.c @@ -16,14 +16,15 @@ #include <asm/hardware/iop3xx.h> /* - * Standard IO mapping for all IOP3xx based systems + * Standard IO mapping for all IOP3xx based systems. Note that + * the IOP3xx OCCDR must be mapped uncached and unbuffered. */ static struct map_desc iop3xx_std_desc[] __initdata = { { /* mem mapped registers */ .virtual = IOP3XX_PERIPHERAL_VIRT_BASE, .pfn = __phys_to_pfn(IOP3XX_PERIPHERAL_PHYS_BASE), .length = IOP3XX_PERIPHERAL_SIZE, - .type = MT_DEVICE, + .type = MT_UNCACHED, }, { /* PCI IO space */ .virtual = IOP3XX_PCI_LOWER_IO_VA, .pfn = __phys_to_pfn(IOP3XX_PCI_LOWER_IO_PA), diff --git a/arch/m68k/kernel/ints.c b/arch/m68k/kernel/ints.c index 7e8a0d394e6..761ee0440c9 100644 --- a/arch/m68k/kernel/ints.c +++ b/arch/m68k/kernel/ints.c @@ -133,7 +133,7 @@ void __init m68k_setup_user_interrupt(unsigned int vec, unsigned int cnt, { int i; - BUG_ON(IRQ_USER + cnt >= NR_IRQS); + BUG_ON(IRQ_USER + cnt > NR_IRQS); m68k_first_user_vec = vec; for (i = 0; i < cnt; i++) irq_controller[IRQ_USER + i] = &user_irq_controller; diff --git a/arch/parisc/include/asm/smp.h b/arch/parisc/include/asm/smp.h index 398cdbaf4e5..409e698f436 100644 --- a/arch/parisc/include/asm/smp.h +++ b/arch/parisc/include/asm/smp.h @@ -44,8 +44,6 @@ extern void arch_send_call_function_ipi(cpumask_t mask); #define PROC_CHANGE_PENALTY 15 /* Schedule penalty */ -extern unsigned long cpu_present_mask; - #define raw_smp_processor_id() (current_thread_info()->cpu) #else /* CONFIG_SMP */ diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S index ed500ef799b..08844fc24a2 100644 --- a/arch/s390/kernel/entry.S +++ b/arch/s390/kernel/entry.S @@ -61,22 +61,25 @@ STACK_SIZE = 1 << STACK_SHIFT #ifdef CONFIG_TRACE_IRQFLAGS .macro TRACE_IRQS_ON - l %r1,BASED(.Ltrace_irq_on) + basr %r2,%r0 + l %r1,BASED(.Ltrace_irq_on_caller) basr %r14,%r1 .endm .macro TRACE_IRQS_OFF - l %r1,BASED(.Ltrace_irq_off) + basr %r2,%r0 + l %r1,BASED(.Ltrace_irq_off_caller) basr %r14,%r1 .endm .macro TRACE_IRQS_CHECK + basr %r2,%r0 tm SP_PSW(%r15),0x03 # irqs enabled? jz 0f - l %r1,BASED(.Ltrace_irq_on) + l %r1,BASED(.Ltrace_irq_on_caller) basr %r14,%r1 j 1f -0: l %r1,BASED(.Ltrace_irq_off) +0: l %r1,BASED(.Ltrace_irq_off_caller) basr %r14,%r1 1: .endm @@ -1113,9 +1116,12 @@ cleanup_io_leave_insn: .Lschedtail: .long schedule_tail .Lsysc_table: .long sys_call_table #ifdef CONFIG_TRACE_IRQFLAGS -.Ltrace_irq_on: .long trace_hardirqs_on -.Ltrace_irq_off: - .long trace_hardirqs_off +.Ltrace_irq_on_caller: + .long trace_hardirqs_on_caller +.Ltrace_irq_off_caller: + .long trace_hardirqs_off_caller +#endif +#ifdef CONFIG_LOCKDEP .Llockdep_sys_exit: .long lockdep_sys_exit #endif diff --git a/arch/s390/kernel/entry64.S b/arch/s390/kernel/entry64.S index d7ce150453f..41aca06682a 100644 --- a/arch/s390/kernel/entry64.S +++ b/arch/s390/kernel/entry64.S @@ -61,19 +61,22 @@ _TIF_WORK_INT = (_TIF_SIGPENDING | _TIF_NOTIFY_RESUME | _TIF_NEED_RESCHED | \ #ifdef CONFIG_TRACE_IRQFLAGS .macro TRACE_IRQS_ON - brasl %r14,trace_hardirqs_on + basr %r2,%r0 + brasl %r14,trace_hardirqs_on_caller .endm .macro TRACE_IRQS_OFF - brasl %r14,trace_hardirqs_off + basr %r2,%r0 + brasl %r14,trace_hardirqs_off_caller .endm .macro TRACE_IRQS_CHECK + basr %r2,%r0 tm SP_PSW(%r15),0x03 # irqs enabled? jz 0f - brasl %r14,trace_hardirqs_on + brasl %r14,trace_hardirqs_on_caller j 1f -0: brasl %r14,trace_hardirqs_off +0: brasl %r14,trace_hardirqs_off_caller 1: .endm #else diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c index 3e2c05cb6a8..04f8c67a610 100644 --- a/arch/s390/kernel/process.c +++ b/arch/s390/kernel/process.c @@ -136,9 +136,12 @@ static void default_idle(void) return; } trace_hardirqs_on(); + /* Don't trace preempt off for idle. */ + stop_critical_timings(); /* Wait for external, I/O or machine check interrupt. */ __load_psw_mask(psw_kernel_bits | PSW_MASK_WAIT | PSW_MASK_IO | PSW_MASK_EXT); + start_critical_timings(); } void cpu_idle(void) diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c index 62122bad1e3..400b040df7f 100644 --- a/arch/s390/kernel/setup.c +++ b/arch/s390/kernel/setup.c @@ -604,13 +604,13 @@ setup_memory(void) if (memory_chunk[i].type != CHUNK_READ_WRITE) continue; start_chunk = PFN_DOWN(memory_chunk[i].addr); - end_chunk = start_chunk + PFN_DOWN(memory_chunk[i].size) - 1; + end_chunk = start_chunk + PFN_DOWN(memory_chunk[i].size); end_chunk = min(end_chunk, end_pfn); if (start_chunk >= end_chunk) continue; add_active_range(0, start_chunk, end_chunk); pfn = max(start_chunk, start_pfn); - for (; pfn <= end_chunk; pfn++) + for (; pfn < end_chunk; pfn++) page_set_storage_key(PFN_PHYS(pfn), PAGE_DEFAULT_KEY); } diff --git a/arch/s390/kernel/sys_s390.c b/arch/s390/kernel/sys_s390.c index 5fdb799062b..4fe952e557a 100644 --- a/arch/s390/kernel/sys_s390.c +++ b/arch/s390/kernel/sys_s390.c @@ -198,7 +198,7 @@ asmlinkage long s390x_newuname(struct new_utsname __user *name) { int ret = sys_newuname(name); - if (current->personality == PER_LINUX32 && !ret) { + if (personality(current->personality) == PER_LINUX32 && !ret) { ret = copy_to_user(name->machine, "s390\0\0\0\0", 8); if (ret) ret = -EFAULT; } diff --git a/arch/s390/kernel/topology.c b/arch/s390/kernel/topology.c index 632b13e1005..a947899dcba 100644 --- a/arch/s390/kernel/topology.c +++ b/arch/s390/kernel/topology.c @@ -65,18 +65,21 @@ static int machine_has_topology_irq; static struct timer_list topology_timer; static void set_topology_timer(void); static DECLARE_WORK(topology_work, topology_work_fn); +/* topology_lock protects the core linked list */ +static DEFINE_SPINLOCK(topology_lock); cpumask_t cpu_core_map[NR_CPUS]; cpumask_t cpu_coregroup_map(unsigned int cpu) { struct core_info *core = &core_info; + unsigned long flags; cpumask_t mask; cpus_clear(mask); if (!machine_has_topology) return cpu_present_map; - mutex_lock(&smp_cpu_state_mutex); + spin_lock_irqsave(&topology_lock, flags); while (core) { if (cpu_isset(cpu, core->mask)) { mask = core->mask; @@ -84,7 +87,7 @@ cpumask_t cpu_coregroup_map(unsigned int cpu) } core = core->next; } - mutex_unlock(&smp_cpu_state_mutex); + spin_unlock_irqrestore(&topology_lock, flags); if (cpus_empty(mask)) mask = cpumask_of_cpu(cpu); return mask; @@ -133,7 +136,7 @@ static void tl_to_cores(struct tl_info *info) union tl_entry *tle, *end; struct core_info *core = &core_info; - mutex_lock(&smp_cpu_state_mutex); + spin_lock_irq(&topology_lock); clear_cores(); tle = info->tle; end = (union tl_entry *)((unsigned long)info + info->length); @@ -157,7 +160,7 @@ static void tl_to_cores(struct tl_info *info) } tle = next_tle(tle); } - mutex_unlock(&smp_cpu_state_mutex); + spin_unlock_irq(&topology_lock); } static void topology_update_polarization_simple(void) diff --git a/arch/sh/include/asm/io.h b/arch/sh/include/asm/io.h index 436c2853957..65eaae34e75 100644 --- a/arch/sh/include/asm/io.h +++ b/arch/sh/include/asm/io.h @@ -293,6 +293,10 @@ __ioremap_mode(unsigned long offset, unsigned long size, unsigned long flags) */ #define xlate_dev_kmem_ptr(p) p +#define ARCH_HAS_VALID_PHYS_ADDR_RANGE +int valid_phys_addr_range(unsigned long addr, size_t size); +int valid_mmap_phys_addr_range(unsigned long pfn, size_t size); + #endif /* __KERNEL__ */ #endif /* __ASM_SH_IO_H */ diff --git a/arch/sh/include/asm/pgtable.h b/arch/sh/include/asm/pgtable.h index 52220d70a09..b517ae08b9c 100644 --- a/arch/sh/include/asm/pgtable.h +++ b/arch/sh/include/asm/pgtable.h @@ -148,6 +148,12 @@ extern void paging_init(void); extern void page_table_range_init(unsigned long start, unsigned long end, pgd_t *pgd); +#if !defined(CONFIG_CACHE_OFF) && defined(CONFIG_CPU_SH4) && defined(CONFIG_MMU) +extern void kmap_coherent_init(void); +#else +#define kmap_coherent_init() do { } while (0) +#endif + #include <asm-generic/pgtable.h> #endif /* __ASM_SH_PGTABLE_H */ diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7723.c b/arch/sh/kernel/cpu/sh4a/setup-sh7723.c index a7412cede53..6d9e6972cfc 100644 --- a/arch/sh/kernel/cpu/sh4a/setup-sh7723.c +++ b/arch/sh/kernel/cpu/sh4a/setup-sh7723.c @@ -119,17 +119,17 @@ static struct plat_sci_port sci_platform_data[] = { },{ .mapbase = 0xa4e30000, .flags = UPF_BOOT_AUTOCONF, - .type = PORT_SCI, + .type = PORT_SCIFA, .irqs = { 56, 56, 56, 56 }, },{ .mapbase = 0xa4e40000, .flags = UPF_BOOT_AUTOCONF, - .type = PORT_SCI, + .type = PORT_SCIFA, .irqs = { 88, 88, 88, 88 }, },{ .mapbase = 0xa4e50000, .flags = UPF_BOOT_AUTOCONF, - .type = PORT_SCI, + .type = PORT_SCIFA, .irqs = { 109, 109, 109, 109 }, }, { .flags = 0, diff --git a/arch/sh/kernel/early_printk.c b/arch/sh/kernel/early_printk.c index 6b7d166694e..a952dcf9999 100644 --- a/arch/sh/kernel/early_printk.c +++ b/arch/sh/kernel/early_printk.c @@ -75,6 +75,7 @@ static struct console bios_console = { #endif static struct uart_port scif_port = { + .type = PORT_SCIF, .mapbase = CONFIG_EARLY_SCIF_CONSOLE_PORT, .membase = (char __iomem *)CONFIG_EARLY_SCIF_CONSOLE_PORT, }; @@ -84,9 +85,9 @@ static void scif_sercon_putc(int c) while (((sci_in(&scif_port, SCFDR) & EPK_FIFO_BITS) >= EPK_FIFO_SIZE)) ; - sci_out(&scif_port, SCxTDR, c); sci_in(&scif_port, SCxSR); sci_out(&scif_port, SCxSR, 0xf3 & ~(0x20 | 0x40)); + sci_out(&scif_port, SCxTDR, c); while ((sci_in(&scif_port, SCxSR) & 0x40) == 0) ; diff --git a/arch/sh/kernel/timers/timer-tmu.c b/arch/sh/kernel/timers/timer-tmu.c index aaaf90d06b8..3c61ddd4d43 100644 --- a/arch/sh/kernel/timers/timer-tmu.c +++ b/arch/sh/kernel/timers/timer-tmu.c @@ -120,7 +120,7 @@ static void tmu_set_mode(enum clock_event_mode mode, { switch (mode) { case CLOCK_EVT_MODE_PERIODIC: - ctrl_outl(ctrl_inl(TMU0_TCNT), TMU0_TCOR); + ctrl_outl(tmu_latest_interval[TMU0], TMU0_TCOR); break; case CLOCK_EVT_MODE_ONESHOT: ctrl_outl(0, TMU0_TCOR); diff --git a/arch/sh/lib/copy_page.S b/arch/sh/lib/copy_page.S index 5d12e657be3..43de7e8e4e1 100644 --- a/arch/sh/lib/copy_page.S +++ b/arch/sh/lib/copy_page.S @@ -80,6 +80,11 @@ ENTRY(copy_page) .section __ex_table, "a"; \ .long 9999b, 6000f ; \ .previous +#define EX_NO_POP(...) \ + 9999: __VA_ARGS__ ; \ + .section __ex_table, "a"; \ + .long 9999b, 6005f ; \ + .previous ENTRY(__copy_user) ! Check if small number of bytes mov #11,r0 @@ -139,9 +144,9 @@ EX( mov.b r1,@r4 ) bt 1f 2: -EX( mov.b @r5+,r0 ) +EX_NO_POP( mov.b @r5+,r0 ) dt r6 -EX( mov.b r0,@r4 ) +EX_NO_POP( mov.b r0,@r4 ) bf/s 2b add #1,r4 @@ -150,7 +155,7 @@ EX( mov.b r0,@r4 ) # Exception handler: .section .fixup, "ax" -6000: +6005: mov.l 8000f,r1 mov r3,r0 jmp @r1 diff --git a/arch/sh/mm/Makefile_32 b/arch/sh/mm/Makefile_32 index 70e0906023c..f066e76da20 100644 --- a/arch/sh/mm/Makefile_32 +++ b/arch/sh/mm/Makefile_32 @@ -2,7 +2,7 @@ # Makefile for the Linux SuperH-specific parts of the memory manager. # -obj-y := init.o extable_32.o consistent.o +obj-y := init.o extable_32.o consistent.o mmap.o ifndef CONFIG_CACHE_OFF cache-$(CONFIG_CPU_SH2) := cache-sh2.o diff --git a/arch/sh/mm/Makefile_64 b/arch/sh/mm/Makefile_64 index 0d92a8a3ac9..9481d0f54ef 100644 --- a/arch/sh/mm/Makefile_64 +++ b/arch/sh/mm/Makefile_64 @@ -2,7 +2,7 @@ # Makefile for the Linux SuperH-specific parts of the memory manager. # -obj-y := init.o consistent.o +obj-y := init.o consistent.o mmap.o mmu-y := tlb-nommu.o pg-nommu.o extable_32.o mmu-$(CONFIG_MMU) := fault_64.o ioremap_64.o tlbflush_64.o tlb-sh5.o \ diff --git a/arch/sh/mm/init.c b/arch/sh/mm/init.c index 4abf00031da..6cbef8caeb5 100644 --- a/arch/sh/mm/init.c +++ b/arch/sh/mm/init.c @@ -137,6 +137,7 @@ void __init page_table_range_init(unsigned long start, unsigned long end, void __init paging_init(void) { unsigned long max_zone_pfns[MAX_NR_ZONES]; + unsigned long vaddr; int nid; /* We don't need to map the kernel through the TLB, as @@ -148,10 +149,15 @@ void __init paging_init(void) * check for a null value. */ set_TTB(swapper_pg_dir); - /* Populate the relevant portions of swapper_pg_dir so that + /* + * Populate the relevant portions of swapper_pg_dir so that * we can use the fixmap entries without calling kmalloc. - * pte's will be filled in by __set_fixmap(). */ - page_table_range_init(FIXADDR_START, FIXADDR_TOP, swapper_pg_dir); + * pte's will be filled in by __set_fixmap(). + */ + vaddr = __fix_to_virt(__end_of_fixed_addresses - 1) & PMD_MASK; + page_table_range_init(vaddr, 0, swapper_pg_dir); + + kmap_coherent_init(); memset(max_zone_pfns, 0, sizeof(max_zone_pfns)); diff --git a/arch/sh/mm/mmap.c b/arch/sh/mm/mmap.c new file mode 100644 index 00000000000..8837d511710 --- /dev/null +++ b/arch/sh/mm/mmap.c @@ -0,0 +1,31 @@ +/* + * arch/sh/mm/mmap.c + * + * Copyright (C) 2008 Paul Mundt + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ +#include <linux/io.h> +#include <linux/mm.h> +#include <asm/page.h> + +/* + * You really shouldn't be using read() or write() on /dev/mem. This + * might go away in the future. + */ +int valid_phys_addr_range(unsigned long addr, size_t count) +{ + if (addr < __MEMORY_START) + return 0; + if (addr + count > __pa(high_memory)) + return 0; + + return 1; +} + +int valid_mmap_phys_addr_range(unsigned long pfn, size_t size) +{ + return 1; +} diff --git a/arch/sh/mm/pg-sh4.c b/arch/sh/mm/pg-sh4.c index 38870e0fc18..2fe14da1f83 100644 --- a/arch/sh/mm/pg-sh4.c +++ b/arch/sh/mm/pg-sh4.c @@ -7,6 +7,7 @@ * Released under the terms of the GNU GPL v2.0. */ #include <linux/mm.h> +#include <linux/init.h> #include <linux/mutex.h> #include <linux/fs.h> #include <linux/highmem.h> @@ -16,6 +17,20 @@ #define CACHE_ALIAS (current_cpu_data.dcache.alias_mask) +#define kmap_get_fixmap_pte(vaddr) \ + pte_offset_kernel(pmd_offset(pud_offset(pgd_offset_k(vaddr), (vaddr)), (vaddr)), (vaddr)) + +static pte_t *kmap_coherent_pte; + +void __init kmap_coherent_init(void) +{ + unsigned long vaddr; + + /* cache the first coherent kmap pte */ + vaddr = __fix_to_virt(FIX_CMAP_BEGIN); + kmap_coherent_pte = kmap_get_fixmap_pte(vaddr); +} + static inline void *kmap_coherent(struct page *page, unsigned long addr) { enum fixed_addresses idx; @@ -34,6 +49,8 @@ static inline void *kmap_coherent(struct page *page, unsigned long addr) update_mmu_cache(NULL, vaddr, pte); + set_pte(kmap_coherent_pte - (FIX_CMAP_END - idx), pte); + return (void *)vaddr; } diff --git a/arch/x86/include/asm/iommu.h b/arch/x86/include/asm/iommu.h index e4a552d4446..0b500c5b644 100644 --- a/arch/x86/include/asm/iommu.h +++ b/arch/x86/include/asm/iommu.h @@ -6,7 +6,6 @@ extern void no_iommu_init(void); extern struct dma_mapping_ops nommu_dma_ops; extern int force_iommu, no_iommu; extern int iommu_detected; -extern int dmar_disabled; extern unsigned long iommu_nr_pages(unsigned long addr, unsigned long len); diff --git a/arch/x86/kernel/early-quirks.c b/arch/x86/kernel/early-quirks.c index 3ce029ffaa5..1b894b72c0f 100644 --- a/arch/x86/kernel/early-quirks.c +++ b/arch/x86/kernel/early-quirks.c @@ -188,20 +188,6 @@ static void __init ati_bugs_contd(int num, int slot, int func) } #endif -#ifdef CONFIG_DMAR -static void __init intel_g33_dmar(int num, int slot, int func) -{ - struct acpi_table_header *dmar_tbl; - acpi_status status; - - status = acpi_get_table(ACPI_SIG_DMAR, 0, &dmar_tbl); - if (ACPI_SUCCESS(status)) { - printk(KERN_INFO "BIOS BUG: DMAR advertised on Intel G31/G33 chipset -- ignoring\n"); - dmar_disabled = 1; - } -} -#endif - #define QFLAG_APPLY_ONCE 0x1 #define QFLAG_APPLIED 0x2 #define QFLAG_DONE (QFLAG_APPLY_ONCE|QFLAG_APPLIED) @@ -225,10 +211,6 @@ static struct chipset early_qrk[] __initdata = { PCI_CLASS_SERIAL_SMBUS, PCI_ANY_ID, 0, ati_bugs }, { PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_SBX00_SMBUS, PCI_CLASS_SERIAL_SMBUS, PCI_ANY_ID, 0, ati_bugs_contd }, -#ifdef CONFIG_DMAR - { PCI_VENDOR_ID_INTEL, 0x29c0, - PCI_CLASS_BRIDGE_HOST, PCI_ANY_ID, 0, intel_g33_dmar }, -#endif {} }; |