diff options
author | Dave Jones <davej@redhat.com> | 2006-12-12 17:41:41 -0500 |
---|---|---|
committer | Dave Jones <davej@redhat.com> | 2006-12-12 17:41:41 -0500 |
commit | c4366889dda8110247be59ca41fddb82951a8c26 (patch) | |
tree | 705c1a996bed8fd48ce94ff33ec9fd00f9b94875 /arch/arm/mm | |
parent | db2fb9db5735cc532fd4fc55e94b9a3c3750378e (diff) | |
parent | e1036502e5263851259d147771226161e5ccc85a (diff) |
Merge ../linus
Conflicts:
drivers/cpufreq/cpufreq.c
Diffstat (limited to 'arch/arm/mm')
-rw-r--r-- | arch/arm/mm/Kconfig | 6 | ||||
-rw-r--r-- | arch/arm/mm/consistent.c | 3 | ||||
-rw-r--r-- | arch/arm/mm/fault.c | 2 | ||||
-rw-r--r-- | arch/arm/mm/init.c | 61 | ||||
-rw-r--r-- | arch/arm/mm/mm.h | 5 | ||||
-rw-r--r-- | arch/arm/mm/mmu.c | 9 | ||||
-rw-r--r-- | arch/arm/mm/nommu.c | 4 | ||||
-rw-r--r-- | arch/arm/mm/proc-arm1020.S | 2 | ||||
-rw-r--r-- | arch/arm/mm/proc-arm1020e.S | 2 | ||||
-rw-r--r-- | arch/arm/mm/proc-arm1022.S | 2 | ||||
-rw-r--r-- | arch/arm/mm/proc-arm1026.S | 2 | ||||
-rw-r--r-- | arch/arm/mm/proc-arm6_7.S | 2 | ||||
-rw-r--r-- | arch/arm/mm/proc-arm720.S | 2 | ||||
-rw-r--r-- | arch/arm/mm/proc-arm740.S | 2 | ||||
-rw-r--r-- | arch/arm/mm/proc-arm7tdmi.S | 2 | ||||
-rw-r--r-- | arch/arm/mm/proc-arm920.S | 2 | ||||
-rw-r--r-- | arch/arm/mm/proc-arm922.S | 2 | ||||
-rw-r--r-- | arch/arm/mm/proc-arm925.S | 2 | ||||
-rw-r--r-- | arch/arm/mm/proc-arm926.S | 2 | ||||
-rw-r--r-- | arch/arm/mm/proc-arm940.S | 2 | ||||
-rw-r--r-- | arch/arm/mm/proc-arm946.S | 2 | ||||
-rw-r--r-- | arch/arm/mm/proc-arm9tdmi.S | 2 | ||||
-rw-r--r-- | arch/arm/mm/proc-sa110.S | 2 | ||||
-rw-r--r-- | arch/arm/mm/proc-sa1100.S | 2 | ||||
-rw-r--r-- | arch/arm/mm/proc-v6.S | 2 | ||||
-rw-r--r-- | arch/arm/mm/proc-xsc3.S | 13 | ||||
-rw-r--r-- | arch/arm/mm/proc-xscale.S | 9 |
27 files changed, 81 insertions, 67 deletions
diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig index c0bfb8212b7..aade2f72c92 100644 --- a/arch/arm/mm/Kconfig +++ b/arch/arm/mm/Kconfig @@ -197,7 +197,7 @@ config CPU_ARM940T select CPU_CP15_MPU help ARM940T is a member of the ARM9TDMI family of general- - purpose microprocessors with MPU and seperate 4KB + purpose microprocessors with MPU and separate 4KB instruction and 4KB data cases, each with a 4-word line length. @@ -333,7 +333,7 @@ config CPU_XSCALE # XScale Core Version 3 config CPU_XSC3 bool - depends on ARCH_IXP23XX + depends on ARCH_IXP23XX || ARCH_IOP13XX default y select CPU_32v5 select CPU_ABRT_EV5T @@ -580,7 +580,7 @@ config CPU_CACHE_ROUND_ROBIN config CPU_BPREDICT_DISABLE bool "Disable branch prediction" - depends on CPU_ARM1020 || CPU_V6 + depends on CPU_ARM1020 || CPU_V6 || CPU_XSC3 help Say Y here to disable branch prediction. If unsure, say N. diff --git a/arch/arm/mm/consistent.c b/arch/arm/mm/consistent.c index 50e6b6bfb2e..b797217e82b 100644 --- a/arch/arm/mm/consistent.c +++ b/arch/arm/mm/consistent.c @@ -476,6 +476,9 @@ core_initcall(consistent_init); /* * Make an area consistent for devices. + * Note: Drivers should NOT use this function directly, as it will break + * platforms with CONFIG_DMABOUNCE. + * Use the driver DMA support - see dma-mapping.h (dma_sync_*) */ void consistent_sync(void *vaddr, size_t size, int direction) { diff --git a/arch/arm/mm/fault.c b/arch/arm/mm/fault.c index 5e658a87449..9fd6d2eafb4 100644 --- a/arch/arm/mm/fault.c +++ b/arch/arm/mm/fault.c @@ -230,7 +230,7 @@ do_page_fault(unsigned long addr, unsigned int fsr, struct pt_regs *regs) * If we're in an interrupt or have no user * context, we must not take the fault.. */ - if (in_interrupt() || !mm) + if (in_atomic() || !mm) goto no_context; /* diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c index 22217fe2650..b5814b4b6f3 100644 --- a/arch/arm/mm/init.c +++ b/arch/arm/mm/init.c @@ -32,40 +32,51 @@ extern unsigned long phys_initrd_start; extern unsigned long phys_initrd_size; /* - * The sole use of this is to pass memory configuration - * data from paging_init to mem_init. + * This is used to pass memory configuration data from paging_init + * to mem_init, and by show_mem() to skip holes in the memory map. */ -static struct meminfo meminfo __initdata = { 0, }; +static struct meminfo meminfo = { 0, }; + +#define for_each_nodebank(iter,mi,no) \ + for (iter = 0; iter < mi->nr_banks; iter++) \ + if (mi->bank[iter].node == no) void show_mem(void) { int free = 0, total = 0, reserved = 0; - int shared = 0, cached = 0, slab = 0, node; + int shared = 0, cached = 0, slab = 0, node, i; + struct meminfo * mi = &meminfo; printk("Mem-info:\n"); show_free_areas(); printk("Free swap: %6ldkB\n", nr_swap_pages<<(PAGE_SHIFT-10)); for_each_online_node(node) { - struct page *page, *end; - - page = NODE_MEM_MAP(node); - end = page + NODE_DATA(node)->node_spanned_pages; - - do { - total++; - if (PageReserved(page)) - reserved++; - else if (PageSwapCache(page)) - cached++; - else if (PageSlab(page)) - slab++; - else if (!page_count(page)) - free++; - else - shared += page_count(page) - 1; - page++; - } while (page < end); + for_each_nodebank (i,mi,node) { + unsigned int pfn1, pfn2; + struct page *page, *end; + + pfn1 = mi->bank[i].start >> PAGE_SHIFT; + pfn2 = (mi->bank[i].size + mi->bank[i].start) >> PAGE_SHIFT; + + page = NODE_MEM_MAP(node) + pfn1; + end = NODE_MEM_MAP(node) + pfn2; + + do { + total++; + if (PageReserved(page)) + reserved++; + else if (PageSwapCache(page)) + cached++; + else if (PageSlab(page)) + slab++; + else if (!page_count(page)) + free++; + else + shared += page_count(page) - 1; + page++; + } while (page < end); + } } printk("%d pages of RAM\n", total); @@ -76,10 +87,6 @@ void show_mem(void) printk("%d pages swap cached\n", cached); } -#define for_each_nodebank(iter,mi,no) \ - for (iter = 0; iter < mi->nr_banks; iter++) \ - if (mi->bank[iter].node == no) - /* * FIXME: We really want to avoid allocating the bootmap bitmap * over the top of the initrd. Hopefully, this is located towards diff --git a/arch/arm/mm/mm.h b/arch/arm/mm/mm.h index bb2bc9ab6bd..a44e3097063 100644 --- a/arch/arm/mm/mm.h +++ b/arch/arm/mm/mm.h @@ -1,4 +1,7 @@ /* the upper-most page table pointer */ + +#ifdef CONFIG_MMU + extern pmd_t *top_pmd; #define TOP_PTE(x) pte_offset_kernel(top_pmd, x) @@ -13,6 +16,8 @@ static inline pmd_t *pmd_off_k(unsigned long virt) return pmd_off(pgd_offset_k(virt), virt); } +#endif + struct map_desc; struct meminfo; struct pglist_data; diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c index f866bf6b97d..b7f194af20b 100644 --- a/arch/arm/mm/mmu.c +++ b/arch/arm/mm/mmu.c @@ -265,7 +265,7 @@ static void __init build_mem_type_table(void) if (arch_is_coherent()) { if (cpu_is_xsc3()) { mem_types[MT_MEMORY].prot_sect |= PMD_SECT_S; - mem_types[MT_MEMORY].prot_pte |= L_PTE_COHERENT; + mem_types[MT_MEMORY].prot_pte |= L_PTE_SHARED; } } @@ -619,6 +619,13 @@ void __init reserve_node_zero(pg_data_t *pgdat) if (machine_is_p720t()) res_size = 0x00014000; + /* H1940 and RX3715 need to reserve this for suspend */ + + if (machine_is_h1940() || machine_is_rx3715()) { + reserve_bootmem_node(pgdat, 0x30003000, 0x1000); + reserve_bootmem_node(pgdat, 0x30081000, 0x1000); + } + #ifdef CONFIG_SA1111 /* * Because of the SA1111 DMA bug, we want to preserve our diff --git a/arch/arm/mm/nommu.c b/arch/arm/mm/nommu.c index d0e66424a59..05818fc0c70 100644 --- a/arch/arm/mm/nommu.c +++ b/arch/arm/mm/nommu.c @@ -6,10 +6,12 @@ #include <linux/module.h> #include <linux/mm.h> #include <linux/pagemap.h> +#include <linux/bootmem.h> #include <asm/cacheflush.h> #include <asm/io.h> #include <asm/page.h> +#include <asm/mach/arch.h> #include "mm.h" @@ -76,7 +78,7 @@ void __iomem *__ioremap(unsigned long phys_addr, size_t size, } EXPORT_SYMBOL(__ioremap); -void __iounmap(void __iomem *addr) +void __iounmap(volatile void __iomem *addr) { } EXPORT_SYMBOL(__iounmap); diff --git a/arch/arm/mm/proc-arm1020.S b/arch/arm/mm/proc-arm1020.S index 1d8316f3cec..289b8e6f504 100644 --- a/arch/arm/mm/proc-arm1020.S +++ b/arch/arm/mm/proc-arm1020.S @@ -29,9 +29,9 @@ #include <linux/init.h> #include <asm/assembler.h> #include <asm/asm-offsets.h> +#include <asm/elf.h> #include <asm/pgtable-hwdef.h> #include <asm/pgtable.h> -#include <asm/procinfo.h> #include <asm/ptrace.h> #include "proc-macros.S" diff --git a/arch/arm/mm/proc-arm1020e.S b/arch/arm/mm/proc-arm1020e.S index 89b1d6d3d7c..bed9db6ba58 100644 --- a/arch/arm/mm/proc-arm1020e.S +++ b/arch/arm/mm/proc-arm1020e.S @@ -29,9 +29,9 @@ #include <linux/init.h> #include <asm/assembler.h> #include <asm/asm-offsets.h> +#include <asm/elf.h> #include <asm/pgtable-hwdef.h> #include <asm/pgtable.h> -#include <asm/procinfo.h> #include <asm/ptrace.h> #include "proc-macros.S" diff --git a/arch/arm/mm/proc-arm1022.S b/arch/arm/mm/proc-arm1022.S index a089528e6bc..d2a7c1b9cab 100644 --- a/arch/arm/mm/proc-arm1022.S +++ b/arch/arm/mm/proc-arm1022.S @@ -18,9 +18,9 @@ #include <linux/init.h> #include <asm/assembler.h> #include <asm/asm-offsets.h> +#include <asm/elf.h> #include <asm/pgtable-hwdef.h> #include <asm/pgtable.h> -#include <asm/procinfo.h> #include <asm/ptrace.h> #include "proc-macros.S" diff --git a/arch/arm/mm/proc-arm1026.S b/arch/arm/mm/proc-arm1026.S index d6d84d92c7c..3247ce5c017 100644 --- a/arch/arm/mm/proc-arm1026.S +++ b/arch/arm/mm/proc-arm1026.S @@ -18,9 +18,9 @@ #include <linux/init.h> #include <asm/assembler.h> #include <asm/asm-offsets.h> +#include <asm/elf.h> #include <asm/pgtable-hwdef.h> #include <asm/pgtable.h> -#include <asm/procinfo.h> #include <asm/ptrace.h> #include "proc-macros.S" diff --git a/arch/arm/mm/proc-arm6_7.S b/arch/arm/mm/proc-arm6_7.S index 0432e480688..ce4f9eef763 100644 --- a/arch/arm/mm/proc-arm6_7.S +++ b/arch/arm/mm/proc-arm6_7.S @@ -15,9 +15,9 @@ #include <linux/init.h> #include <asm/assembler.h> #include <asm/asm-offsets.h> +#include <asm/elf.h> #include <asm/pgtable-hwdef.h> #include <asm/pgtable.h> -#include <asm/procinfo.h> #include <asm/ptrace.h> ENTRY(cpu_arm6_dcache_clean_area) diff --git a/arch/arm/mm/proc-arm720.S b/arch/arm/mm/proc-arm720.S index c2f0705bfd4..c04c194da78 100644 --- a/arch/arm/mm/proc-arm720.S +++ b/arch/arm/mm/proc-arm720.S @@ -36,9 +36,9 @@ #include <linux/init.h> #include <asm/assembler.h> #include <asm/asm-offsets.h> +#include <asm/elf.h> #include <asm/pgtable-hwdef.h> #include <asm/pgtable.h> -#include <asm/procinfo.h> #include <asm/ptrace.h> #include "proc-macros.S" diff --git a/arch/arm/mm/proc-arm740.S b/arch/arm/mm/proc-arm740.S index 40713818a87..7069f495cf9 100644 --- a/arch/arm/mm/proc-arm740.S +++ b/arch/arm/mm/proc-arm740.S @@ -12,9 +12,9 @@ #include <linux/init.h> #include <asm/assembler.h> #include <asm/asm-offsets.h> +#include <asm/elf.h> #include <asm/pgtable-hwdef.h> #include <asm/pgtable.h> -#include <asm/procinfo.h> #include <asm/ptrace.h> .text diff --git a/arch/arm/mm/proc-arm7tdmi.S b/arch/arm/mm/proc-arm7tdmi.S index 22d7e3100ea..d091c257182 100644 --- a/arch/arm/mm/proc-arm7tdmi.S +++ b/arch/arm/mm/proc-arm7tdmi.S @@ -12,9 +12,9 @@ #include <linux/init.h> #include <asm/assembler.h> #include <asm/asm-offsets.h> +#include <asm/elf.h> #include <asm/pgtable-hwdef.h> #include <asm/pgtable.h> -#include <asm/procinfo.h> #include <asm/ptrace.h> .text diff --git a/arch/arm/mm/proc-arm920.S b/arch/arm/mm/proc-arm920.S index 4adb46b3a4e..65cbb2851bf 100644 --- a/arch/arm/mm/proc-arm920.S +++ b/arch/arm/mm/proc-arm920.S @@ -28,9 +28,9 @@ #include <linux/linkage.h> #include <linux/init.h> #include <asm/assembler.h> +#include <asm/elf.h> #include <asm/pgtable-hwdef.h> #include <asm/pgtable.h> -#include <asm/procinfo.h> #include <asm/page.h> #include <asm/ptrace.h> #include "proc-macros.S" diff --git a/arch/arm/mm/proc-arm922.S b/arch/arm/mm/proc-arm922.S index 571f082f024..52761b70d73 100644 --- a/arch/arm/mm/proc-arm922.S +++ b/arch/arm/mm/proc-arm922.S @@ -29,9 +29,9 @@ #include <linux/linkage.h> #include <linux/init.h> #include <asm/assembler.h> +#include <asm/elf.h> #include <asm/pgtable-hwdef.h> #include <asm/pgtable.h> -#include <asm/procinfo.h> #include <asm/page.h> #include <asm/ptrace.h> #include "proc-macros.S" diff --git a/arch/arm/mm/proc-arm925.S b/arch/arm/mm/proc-arm925.S index 8d9a9f93b01..5b74339d158 100644 --- a/arch/arm/mm/proc-arm925.S +++ b/arch/arm/mm/proc-arm925.S @@ -52,9 +52,9 @@ #include <linux/linkage.h> #include <linux/init.h> #include <asm/assembler.h> +#include <asm/elf.h> #include <asm/pgtable-hwdef.h> #include <asm/pgtable.h> -#include <asm/procinfo.h> #include <asm/page.h> #include <asm/ptrace.h> #include "proc-macros.S" diff --git a/arch/arm/mm/proc-arm926.S b/arch/arm/mm/proc-arm926.S index 44a7a652d62..8628ed29a95 100644 --- a/arch/arm/mm/proc-arm926.S +++ b/arch/arm/mm/proc-arm926.S @@ -28,9 +28,9 @@ #include <linux/linkage.h> #include <linux/init.h> #include <asm/assembler.h> +#include <asm/elf.h> #include <asm/pgtable-hwdef.h> #include <asm/pgtable.h> -#include <asm/procinfo.h> #include <asm/page.h> #include <asm/ptrace.h> #include "proc-macros.S" diff --git a/arch/arm/mm/proc-arm940.S b/arch/arm/mm/proc-arm940.S index 2397f4b6e15..786c593778f 100644 --- a/arch/arm/mm/proc-arm940.S +++ b/arch/arm/mm/proc-arm940.S @@ -11,9 +11,9 @@ #include <linux/linkage.h> #include <linux/init.h> #include <asm/assembler.h> +#include <asm/elf.h> #include <asm/pgtable-hwdef.h> #include <asm/pgtable.h> -#include <asm/procinfo.h> #include <asm/ptrace.h> /* ARM940T has a 4KB DCache comprising 256 lines of 4 words */ diff --git a/arch/arm/mm/proc-arm946.S b/arch/arm/mm/proc-arm946.S index e1861756442..a60c1421d45 100644 --- a/arch/arm/mm/proc-arm946.S +++ b/arch/arm/mm/proc-arm946.S @@ -13,9 +13,9 @@ #include <linux/linkage.h> #include <linux/init.h> #include <asm/assembler.h> +#include <asm/elf.h> #include <asm/pgtable-hwdef.h> #include <asm/pgtable.h> -#include <asm/procinfo.h> #include <asm/ptrace.h> /* diff --git a/arch/arm/mm/proc-arm9tdmi.S b/arch/arm/mm/proc-arm9tdmi.S index 918ebf65d4f..4848eeac86b 100644 --- a/arch/arm/mm/proc-arm9tdmi.S +++ b/arch/arm/mm/proc-arm9tdmi.S @@ -12,9 +12,9 @@ #include <linux/init.h> #include <asm/assembler.h> #include <asm/asm-offsets.h> +#include <asm/elf.h> #include <asm/pgtable-hwdef.h> #include <asm/pgtable.h> -#include <asm/procinfo.h> #include <asm/ptrace.h> .text diff --git a/arch/arm/mm/proc-sa110.S b/arch/arm/mm/proc-sa110.S index c878064e9b8..cd7d865c9d1 100644 --- a/arch/arm/mm/proc-sa110.S +++ b/arch/arm/mm/proc-sa110.S @@ -17,7 +17,7 @@ #include <linux/init.h> #include <asm/assembler.h> #include <asm/asm-offsets.h> -#include <asm/procinfo.h> +#include <asm/elf.h> #include <asm/hardware.h> #include <asm/pgtable-hwdef.h> #include <asm/pgtable.h> diff --git a/arch/arm/mm/proc-sa1100.S b/arch/arm/mm/proc-sa1100.S index b23b66a6155..b776653cc31 100644 --- a/arch/arm/mm/proc-sa1100.S +++ b/arch/arm/mm/proc-sa1100.S @@ -22,7 +22,7 @@ #include <linux/init.h> #include <asm/assembler.h> #include <asm/asm-offsets.h> -#include <asm/procinfo.h> +#include <asm/elf.h> #include <asm/hardware.h> #include <asm/pgtable-hwdef.h> #include <asm/pgtable.h> diff --git a/arch/arm/mm/proc-v6.S b/arch/arm/mm/proc-v6.S index 6f72549f884..b440c8a1d34 100644 --- a/arch/arm/mm/proc-v6.S +++ b/arch/arm/mm/proc-v6.S @@ -13,8 +13,8 @@ #include <linux/linkage.h> #include <asm/assembler.h> #include <asm/asm-offsets.h> +#include <asm/elf.h> #include <asm/hardware/arm_scu.h> -#include <asm/procinfo.h> #include <asm/pgtable-hwdef.h> #include <asm/pgtable.h> diff --git a/arch/arm/mm/proc-xsc3.S b/arch/arm/mm/proc-xsc3.S index 4ace2d8090c..1ef564d0957 100644 --- a/arch/arm/mm/proc-xsc3.S +++ b/arch/arm/mm/proc-xsc3.S @@ -27,7 +27,7 @@ #include <linux/linkage.h> #include <linux/init.h> #include <asm/assembler.h> -#include <asm/procinfo.h> +#include <asm/elf.h> #include <asm/hardware.h> #include <asm/pgtable.h> #include <asm/pgtable-hwdef.h> @@ -57,11 +57,6 @@ #define L2_CACHE_ENABLE 1 /* - * Enable the Branch Target Buffer (can cause crashes, see erratum #42.) - */ -#define BTB_ENABLE 0 - -/* * This macro is used to wait for a CP15 write and is needed * when we have to ensure that the last operation to the co-pro * was completed before continuing with operation. @@ -371,8 +366,10 @@ ENTRY(cpu_xsc3_switch_mm) ENTRY(cpu_xsc3_set_pte) str r1, [r0], #-2048 @ linux version - bic r2, r1, #0xdf0 @ Keep C, B, coherency bits + bic r2, r1, #0xff0 @ Keep C, B bits orr r2, r2, #PTE_TYPE_EXT @ extended page + tst r1, #L_PTE_SHARED @ Shared? + orrne r2, r2, #0x200 eor r3, r1, #L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_WRITE | L_PTE_DIRTY @@ -432,9 +429,7 @@ __xsc3_setup: mrc p15, 0, r0, c1, c0, 0 @ get control register bic r0, r0, r5 @ .... .... .... ..A. orr r0, r0, r6 @ .... .... .... .C.M -#if BTB_ENABLE orr r0, r0, #0x00000800 @ ..VI Z..S .... .... -#endif #if L2_CACHE_ENABLE orr r0, r0, #0x04000000 @ L2 enable #endif diff --git a/arch/arm/mm/proc-xscale.S b/arch/arm/mm/proc-xscale.S index e8b377d637f..cc1004b3e51 100644 --- a/arch/arm/mm/proc-xscale.S +++ b/arch/arm/mm/proc-xscale.S @@ -23,7 +23,7 @@ #include <linux/linkage.h> #include <linux/init.h> #include <asm/assembler.h> -#include <asm/procinfo.h> +#include <asm/elf.h> #include <asm/pgtable.h> #include <asm/pgtable-hwdef.h> #include <asm/page.h> @@ -491,12 +491,7 @@ __xscale_setup: mcr p15, 0, ip, c7, c7, 0 @ invalidate I, D caches & BTB mcr p15, 0, ip, c7, c10, 4 @ Drain Write (& Fill) Buffer mcr p15, 0, ip, c8, c7, 0 @ invalidate I, D TLBs -#ifdef CONFIG_IWMMXT - mov r0, #0 @ initially disallow access to CP0/CP1 -#else - mov r0, #1 @ Allow access to CP0 -#endif - orr r0, r0, #1 << 6 @ cp6 for IOP3xx and Bulverde + mov r0, #1 << 6 @ cp6 for IOP3xx and Bulverde orr r0, r0, #1 << 13 @ Its undefined whether this mcr p15, 0, r0, c15, c1, 0 @ affects USR or SVC modes |