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author | David S. Miller <davem@davemloft.net> | 2008-11-18 23:38:23 -0800 |
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committer | David S. Miller <davem@davemloft.net> | 2008-11-18 23:38:23 -0800 |
commit | 198d6ba4d7f48c94f990f4604f0b3d73925e0ded (patch) | |
tree | 56bbdf8ba2553c23c8099da9344a8f1d1aba97ab /arch/sh | |
parent | 9a57f7fabd383920585ed8b74eacd117c6551f2d (diff) | |
parent | 7f0f598a0069d1ab072375965a4b69137233169c (diff) | |
download | op-kernel-dev-198d6ba4d7f48c94f990f4604f0b3d73925e0ded.zip op-kernel-dev-198d6ba4d7f48c94f990f4604f0b3d73925e0ded.tar.gz |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
drivers/isdn/i4l/isdn_net.c
fs/cifs/connect.c
Diffstat (limited to 'arch/sh')
-rw-r--r-- | arch/sh/include/asm/io.h | 4 | ||||
-rw-r--r-- | arch/sh/include/asm/pgtable.h | 6 | ||||
-rw-r--r-- | arch/sh/kernel/cpu/sh4a/setup-sh7723.c | 6 | ||||
-rw-r--r-- | arch/sh/kernel/early_printk.c | 3 | ||||
-rw-r--r-- | arch/sh/kernel/timers/timer-tmu.c | 2 | ||||
-rw-r--r-- | arch/sh/lib/copy_page.S | 11 | ||||
-rw-r--r-- | arch/sh/mm/Makefile_32 | 2 | ||||
-rw-r--r-- | arch/sh/mm/Makefile_64 | 2 | ||||
-rw-r--r-- | arch/sh/mm/init.c | 12 | ||||
-rw-r--r-- | arch/sh/mm/mmap.c | 31 | ||||
-rw-r--r-- | arch/sh/mm/pg-sh4.c | 17 |
11 files changed, 83 insertions, 13 deletions
diff --git a/arch/sh/include/asm/io.h b/arch/sh/include/asm/io.h index 436c285..65eaae3 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 52220d7..b517ae0 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 a7412ce..6d9e697 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 6b7d166..a952dcf 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 aaaf90d..3c61ddd 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 5d12e65..43de7e8 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 70e0906..f066e76 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-$(CONFIG_CPU_SH2) := cache-sh2.o diff --git a/arch/sh/mm/Makefile_64 b/arch/sh/mm/Makefile_64 index 0d92a8a..9481d0f 100644 --- a/arch/sh/mm/Makefile_64 +++ b/arch/sh/mm/Makefile_64 @@ -2,7 +2,7 @@ # Makefile for the Linux SuperH-specific parts of the memory manager. # -obj-y := init.o consistent.o +obj-y := init.o consistent.o mmap.o mmu-y := tlb-nommu.o pg-nommu.o extable_32.o mmu-$(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 4abf000..6cbef8c 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 0000000..8837d51 --- /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 38870e0..2fe14da 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; } |