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-rw-r--r--arch/arm/mm/Kconfig6
-rw-r--r--arch/arm/mm/consistent.c2
-rw-r--r--arch/arm/mm/copypage-v4mc.c8
-rw-r--r--arch/arm/mm/copypage-v6.c10
-rw-r--r--arch/arm/mm/copypage-xscale.c8
-rw-r--r--arch/arm/mm/fault-armv.c2
-rw-r--r--arch/arm/mm/fault.c2
-rw-r--r--arch/arm/mm/flush.c41
-rw-r--r--arch/arm/mm/ioremap.c102
-rw-r--r--arch/arm/mm/mm.h5
-rw-r--r--arch/arm/mm/mmu.c37
-rw-r--r--arch/arm/mm/nommu.c4
-rw-r--r--arch/arm/mm/pgd.c2
-rw-r--r--arch/arm/mm/proc-arm1020.S6
-rw-r--r--arch/arm/mm/proc-arm1020e.S6
-rw-r--r--arch/arm/mm/proc-arm1022.S8
-rw-r--r--arch/arm/mm/proc-arm1026.S8
-rw-r--r--arch/arm/mm/proc-arm6_7.S12
-rw-r--r--arch/arm/mm/proc-arm720.S8
-rw-r--r--arch/arm/mm/proc-arm740.S2
-rw-r--r--arch/arm/mm/proc-arm7tdmi.S2
-rw-r--r--arch/arm/mm/proc-arm920.S8
-rw-r--r--arch/arm/mm/proc-arm922.S8
-rw-r--r--arch/arm/mm/proc-arm925.S8
-rw-r--r--arch/arm/mm/proc-arm926.S10
-rw-r--r--arch/arm/mm/proc-arm940.S2
-rw-r--r--arch/arm/mm/proc-arm946.S2
-rw-r--r--arch/arm/mm/proc-arm9tdmi.S2
-rw-r--r--arch/arm/mm/proc-sa110.S8
-rw-r--r--arch/arm/mm/proc-sa1100.S8
-rw-r--r--arch/arm/mm/proc-syms.c2
-rw-r--r--arch/arm/mm/proc-v6.S41
-rw-r--r--arch/arm/mm/proc-xsc3.S21
-rw-r--r--arch/arm/mm/proc-xscale.S17
34 files changed, 236 insertions, 182 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 b797217e82b..6a9c362fef5 100644
--- a/arch/arm/mm/consistent.c
+++ b/arch/arm/mm/consistent.c
@@ -238,7 +238,7 @@ __dma_alloc(struct device *dev, size_t size, dma_addr_t *handle, gfp_t gfp,
* x86 does not mark the pages reserved...
*/
SetPageReserved(page);
- set_pte(pte, mk_pte(page, prot));
+ set_pte_ext(pte, mk_pte(page, prot), 0);
page++;
pte++;
off++;
diff --git a/arch/arm/mm/copypage-v4mc.c b/arch/arm/mm/copypage-v4mc.c
index df1645e14b4..ded0e96d069 100644
--- a/arch/arm/mm/copypage-v4mc.c
+++ b/arch/arm/mm/copypage-v4mc.c
@@ -19,6 +19,7 @@
#include <asm/page.h>
#include <asm/pgtable.h>
#include <asm/tlbflush.h>
+#include <asm/cacheflush.h>
#include "mm.h"
@@ -69,9 +70,14 @@ mc_copy_user_page(void *from, void *to)
void v4_mc_copy_user_page(void *kto, const void *kfrom, unsigned long vaddr)
{
+ struct page *page = virt_to_page(kfrom);
+
+ if (test_and_clear_bit(PG_dcache_dirty, &page->flags))
+ __flush_dcache_page(page_mapping(page), page);
+
spin_lock(&minicache_lock);
- set_pte(TOP_PTE(0xffff8000), pfn_pte(__pa(kfrom) >> PAGE_SHIFT, minicache_pgprot));
+ set_pte_ext(TOP_PTE(0xffff8000), pfn_pte(__pa(kfrom) >> PAGE_SHIFT, minicache_pgprot), 0);
flush_tlb_kernel_page(0xffff8000);
mc_copy_user_page((void *)0xffff8000, kto);
diff --git a/arch/arm/mm/copypage-v6.c b/arch/arm/mm/copypage-v6.c
index 3d0d3a963d2..3adb79257f4 100644
--- a/arch/arm/mm/copypage-v6.c
+++ b/arch/arm/mm/copypage-v6.c
@@ -53,6 +53,10 @@ static void v6_copy_user_page_aliasing(void *kto, const void *kfrom, unsigned lo
{
unsigned int offset = CACHE_COLOUR(vaddr);
unsigned long from, to;
+ struct page *page = virt_to_page(kfrom);
+
+ if (test_and_clear_bit(PG_dcache_dirty, &page->flags))
+ __flush_dcache_page(page_mapping(page), page);
/*
* Discard data in the kernel mapping for the new page.
@@ -70,8 +74,8 @@ static void v6_copy_user_page_aliasing(void *kto, const void *kfrom, unsigned lo
*/
spin_lock(&v6_lock);
- set_pte(TOP_PTE(from_address) + offset, pfn_pte(__pa(kfrom) >> PAGE_SHIFT, PAGE_KERNEL));
- set_pte(TOP_PTE(to_address) + offset, pfn_pte(__pa(kto) >> PAGE_SHIFT, PAGE_KERNEL));
+ set_pte_ext(TOP_PTE(from_address) + offset, pfn_pte(__pa(kfrom) >> PAGE_SHIFT, PAGE_KERNEL), 0);
+ set_pte_ext(TOP_PTE(to_address) + offset, pfn_pte(__pa(kto) >> PAGE_SHIFT, PAGE_KERNEL), 0);
from = from_address + (offset << PAGE_SHIFT);
to = to_address + (offset << PAGE_SHIFT);
@@ -110,7 +114,7 @@ static void v6_clear_user_page_aliasing(void *kaddr, unsigned long vaddr)
*/
spin_lock(&v6_lock);
- set_pte(TOP_PTE(to_address) + offset, pfn_pte(__pa(kaddr) >> PAGE_SHIFT, PAGE_KERNEL));
+ set_pte_ext(TOP_PTE(to_address) + offset, pfn_pte(__pa(kaddr) >> PAGE_SHIFT, PAGE_KERNEL), 0);
flush_tlb_kernel_page(to);
clear_page((void *)to);
diff --git a/arch/arm/mm/copypage-xscale.c b/arch/arm/mm/copypage-xscale.c
index 84ebe0aa379..2e455f82a4d 100644
--- a/arch/arm/mm/copypage-xscale.c
+++ b/arch/arm/mm/copypage-xscale.c
@@ -19,6 +19,7 @@
#include <asm/page.h>
#include <asm/pgtable.h>
#include <asm/tlbflush.h>
+#include <asm/cacheflush.h>
#include "mm.h"
@@ -91,9 +92,14 @@ mc_copy_user_page(void *from, void *to)
void xscale_mc_copy_user_page(void *kto, const void *kfrom, unsigned long vaddr)
{
+ struct page *page = virt_to_page(kfrom);
+
+ if (test_and_clear_bit(PG_dcache_dirty, &page->flags))
+ __flush_dcache_page(page_mapping(page), page);
+
spin_lock(&minicache_lock);
- set_pte(TOP_PTE(COPYPAGE_MINICACHE), pfn_pte(__pa(kfrom) >> PAGE_SHIFT, minicache_pgprot));
+ set_pte_ext(TOP_PTE(COPYPAGE_MINICACHE), pfn_pte(__pa(kfrom) >> PAGE_SHIFT, minicache_pgprot), 0);
flush_tlb_kernel_page(COPYPAGE_MINICACHE);
mc_copy_user_page((void *)COPYPAGE_MINICACHE, kto);
diff --git a/arch/arm/mm/fault-armv.c b/arch/arm/mm/fault-armv.c
index 7fc1b35a674..cf95c5d0ce4 100644
--- a/arch/arm/mm/fault-armv.c
+++ b/arch/arm/mm/fault-armv.c
@@ -61,7 +61,7 @@ static int adjust_pte(struct vm_area_struct *vma, unsigned long address)
if (pte_present(entry) && pte_val(entry) & shared_pte_mask) {
flush_cache_page(vma, address, pte_pfn(entry));
pte_val(entry) &= ~shared_pte_mask;
- set_pte(pte, entry);
+ set_pte_at(vma->vm_mm, address, pte, entry);
flush_tlb_page(vma, address);
ret = 1;
}
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/flush.c b/arch/arm/mm/flush.c
index 454205b789d..9df507d36e0 100644
--- a/arch/arm/mm/flush.c
+++ b/arch/arm/mm/flush.c
@@ -26,7 +26,7 @@ static void flush_pfn_alias(unsigned long pfn, unsigned long vaddr)
unsigned long to = ALIAS_FLUSH_START + (CACHE_COLOUR(vaddr) << PAGE_SHIFT);
const int zero = 0;
- set_pte(TOP_PTE(to), pfn_pte(pfn, PAGE_KERNEL));
+ set_pte_ext(TOP_PTE(to), pfn_pte(pfn, PAGE_KERNEL), 0);
flush_tlb_kernel_page(to);
asm( "mcrr p15, 0, %1, %0, c14\n"
@@ -202,3 +202,42 @@ void flush_dcache_page(struct page *page)
}
}
EXPORT_SYMBOL(flush_dcache_page);
+
+/*
+ * Flush an anonymous page so that users of get_user_pages()
+ * can safely access the data. The expected sequence is:
+ *
+ * get_user_pages()
+ * -> flush_anon_page
+ * memcpy() to/from page
+ * if written to page, flush_dcache_page()
+ */
+void __flush_anon_page(struct vm_area_struct *vma, struct page *page, unsigned long vmaddr)
+{
+ unsigned long pfn;
+
+ /* VIPT non-aliasing caches need do nothing */
+ if (cache_is_vipt_nonaliasing())
+ return;
+
+ /*
+ * Write back and invalidate userspace mapping.
+ */
+ pfn = page_to_pfn(page);
+ if (cache_is_vivt()) {
+ flush_cache_page(vma, vmaddr, pfn);
+ } else {
+ /*
+ * For aliasing VIPT, we can flush an alias of the
+ * userspace address only.
+ */
+ flush_pfn_alias(pfn, vmaddr);
+ }
+
+ /*
+ * Invalidate kernel mapping. No data should be contained
+ * in this mapping of the page. FIXME: this is overkill
+ * since we actually ask for a write-back and invalidate.
+ */
+ __cpuc_flush_dcache_page(page_address(page));
+}
diff --git a/arch/arm/mm/ioremap.c b/arch/arm/mm/ioremap.c
index 46544059279..251685fe73a 100644
--- a/arch/arm/mm/ioremap.c
+++ b/arch/arm/mm/ioremap.c
@@ -38,89 +38,71 @@
*/
#define VM_ARM_SECTION_MAPPING 0x80000000
-static inline void
-remap_area_pte(pte_t * pte, unsigned long address, unsigned long size,
- unsigned long phys_addr, pgprot_t pgprot)
+static int remap_area_pte(pmd_t *pmd, unsigned long addr, unsigned long end,
+ unsigned long phys_addr, pgprot_t prot)
{
- unsigned long end;
+ pte_t *pte;
+
+ pte = pte_alloc_kernel(pmd, addr);
+ if (!pte)
+ return -ENOMEM;
- address &= ~PMD_MASK;
- end = address + size;
- if (end > PMD_SIZE)
- end = PMD_SIZE;
- BUG_ON(address >= end);
do {
if (!pte_none(*pte))
goto bad;
- set_pte(pte, pfn_pte(phys_addr >> PAGE_SHIFT, pgprot));
- address += PAGE_SIZE;
+ set_pte_ext(pte, pfn_pte(phys_addr >> PAGE_SHIFT, prot), 0);
phys_addr += PAGE_SIZE;
- pte++;
- } while (address && (address < end));
- return;
+ } while (pte++, addr += PAGE_SIZE, addr != end);
+ return 0;
bad:
- printk("remap_area_pte: page already exists\n");
+ printk(KERN_CRIT "remap_area_pte: page already exists\n");
BUG();
}
-static inline int
-remap_area_pmd(pmd_t * pmd, unsigned long address, unsigned long size,
- unsigned long phys_addr, unsigned long flags)
+static inline int remap_area_pmd(pgd_t *pgd, unsigned long addr,
+ unsigned long end, unsigned long phys_addr,
+ pgprot_t prot)
{
- unsigned long end;
- pgprot_t pgprot;
-
- address &= ~PGDIR_MASK;
- end = address + size;
-
- if (end > PGDIR_SIZE)
- end = PGDIR_SIZE;
+ unsigned long next;
+ pmd_t *pmd;
+ int ret = 0;
- phys_addr -= address;
- BUG_ON(address >= end);
+ pmd = pmd_alloc(&init_mm, pgd, addr);
+ if (!pmd)
+ return -ENOMEM;
- pgprot = __pgprot(L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_DIRTY | L_PTE_WRITE | flags);
do {
- pte_t * pte = pte_alloc_kernel(pmd, address);
- if (!pte)
- return -ENOMEM;
- remap_area_pte(pte, address, end - address, address + phys_addr, pgprot);
- address = (address + PMD_SIZE) & PMD_MASK;
- pmd++;
- } while (address && (address < end));
- return 0;
+ next = pmd_addr_end(addr, end);
+ ret = remap_area_pte(pmd, addr, next, phys_addr, prot);
+ if (ret)
+ return ret;
+ phys_addr += next - addr;
+ } while (pmd++, addr = next, addr != end);
+ return ret;
}
-static int
-remap_area_pages(unsigned long start, unsigned long pfn,
- unsigned long size, unsigned long flags)
+static int remap_area_pages(unsigned long start, unsigned long pfn,
+ unsigned long size, unsigned long flags)
{
- unsigned long address = start;
- unsigned long end = start + size;
+ unsigned long addr = start;
+ unsigned long next, end = start + size;
unsigned long phys_addr = __pfn_to_phys(pfn);
+ pgprot_t prot = __pgprot(L_PTE_PRESENT | L_PTE_YOUNG |
+ L_PTE_DIRTY | L_PTE_WRITE | flags);
+ pgd_t *pgd;
int err = 0;
- pgd_t * dir;
- phys_addr -= address;
- dir = pgd_offset(&init_mm, address);
- BUG_ON(address >= end);
+ BUG_ON(addr >= end);
+ pgd = pgd_offset_k(addr);
do {
- pmd_t *pmd = pmd_alloc(&init_mm, dir, address);
- if (!pmd) {
- err = -ENOMEM;
- break;
- }
- if (remap_area_pmd(pmd, address, end - address,
- phys_addr + address, flags)) {
- err = -ENOMEM;
+ next = pgd_addr_end(addr, end);
+ err = remap_area_pmd(pgd, addr, next, phys_addr, prot);
+ if (err)
break;
- }
-
- address = (address + PGDIR_SIZE) & PGDIR_MASK;
- dir++;
- } while (address && (address < end));
+ phys_addr += next - addr;
+ } while (pgd++, addr = next, addr != end);
return err;
}
@@ -310,6 +292,8 @@ __ioremap_pfn(unsigned long pfn, unsigned long offset, size_t size,
if (pfn >= 0x100000 && (__pfn_to_phys(pfn) & ~SUPERSECTION_MASK))
return NULL;
+ size = PAGE_ALIGN(size);
+
area = get_vm_area(size, VM_IOREMAP);
if (!area)
return NULL;
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..655c8376f0b 100644
--- a/arch/arm/mm/mmu.c
+++ b/arch/arm/mm/mmu.c
@@ -154,6 +154,26 @@ static int __init noalign_setup(char *__unused)
}
__setup("noalign", noalign_setup);
+#ifndef CONFIG_SMP
+void adjust_cr(unsigned long mask, unsigned long set)
+{
+ unsigned long flags;
+
+ mask &= ~CR_A;
+
+ set &= mask;
+
+ local_irq_save(flags);
+
+ cr_no_alignment = (cr_no_alignment & ~mask) | set;
+ cr_alignment = (cr_alignment & ~mask) | set;
+
+ set_cr((get_cr() & ~mask) | set);
+
+ local_irq_restore(flags);
+}
+#endif
+
struct mem_types {
unsigned int prot_pte;
unsigned int prot_l1;
@@ -265,7 +285,7 @@ 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;
}
}
@@ -294,12 +314,6 @@ static void __init build_mem_type_table(void)
mem_types[MT_DEVICE].prot_pte |= L_PTE_BUFFERABLE;
mem_types[MT_DEVICE].prot_sect |= PMD_SECT_BUFFERED;
- /*
- * User pages need to be mapped with the ASID
- * (iow, non-global)
- */
- user_pgprot |= L_PTE_ASID;
-
#ifdef CONFIG_SMP
/*
* Mark memory with the "shared" attribute for SMP systems
@@ -408,7 +422,7 @@ alloc_init_page(unsigned long virt, unsigned long phys, unsigned int prot_l1, pg
}
ptep = pte_offset_kernel(pmdp, virt);
- set_pte(ptep, pfn_pte(phys >> PAGE_SHIFT, prot));
+ set_pte_ext(ptep, pfn_pte(phys >> PAGE_SHIFT, prot), 0);
}
/*
@@ -619,6 +633,13 @@ 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/pgd.c b/arch/arm/mm/pgd.c
index 20c1b0df75f..50b9aed6000 100644
--- a/arch/arm/mm/pgd.c
+++ b/arch/arm/mm/pgd.c
@@ -57,7 +57,7 @@ pgd_t *get_pgd_slow(struct mm_struct *mm)
init_pmd = pmd_offset(init_pgd, 0);
init_pte = pte_offset_map_nested(init_pmd, 0);
- set_pte(new_pte, *init_pte);
+ set_pte_ext(new_pte, *init_pte, 0);
pte_unmap_nested(init_pte);
pte_unmap(new_pte);
}
diff --git a/arch/arm/mm/proc-arm1020.S b/arch/arm/mm/proc-arm1020.S
index 1d8316f3cec..700c04d6996 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"
@@ -397,7 +397,7 @@ ENTRY(cpu_arm1020_switch_mm)
* Set a PTE and flush it out
*/
.align 5
-ENTRY(cpu_arm1020_set_pte)
+ENTRY(cpu_arm1020_set_pte_ext)
#ifdef CONFIG_MMU
str r1, [r0], #-2048 @ linux version
@@ -477,7 +477,7 @@ arm1020_processor_functions:
.word cpu_arm1020_do_idle
.word cpu_arm1020_dcache_clean_area
.word cpu_arm1020_switch_mm
- .word cpu_arm1020_set_pte
+ .word cpu_arm1020_set_pte_ext
.size arm1020_processor_functions, . - arm1020_processor_functions
.section ".rodata"
diff --git a/arch/arm/mm/proc-arm1020e.S b/arch/arm/mm/proc-arm1020e.S
index 89b1d6d3d7c..1cc206ab5ea 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"
@@ -381,7 +381,7 @@ ENTRY(cpu_arm1020e_switch_mm)
* Set a PTE and flush it out
*/
.align 5
-ENTRY(cpu_arm1020e_set_pte)
+ENTRY(cpu_arm1020e_set_pte_ext)
#ifdef CONFIG_MMU
str r1, [r0], #-2048 @ linux version
@@ -458,7 +458,7 @@ arm1020e_processor_functions:
.word cpu_arm1020e_do_idle
.word cpu_arm1020e_dcache_clean_area
.word cpu_arm1020e_switch_mm
- .word cpu_arm1020e_set_pte
+ .word cpu_arm1020e_set_pte_ext
.size arm1020e_processor_functions, . - arm1020e_processor_functions
.section ".rodata"
diff --git a/arch/arm/mm/proc-arm1022.S b/arch/arm/mm/proc-arm1022.S
index a089528e6bc..aff0ea08e2f 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"
@@ -358,12 +358,12 @@ ENTRY(cpu_arm1022_switch_mm)
mov pc, lr
/*
- * cpu_arm1022_set_pte(ptep, pte)
+ * cpu_arm1022_set_pte_ext(ptep, pte, ext)
*
* Set a PTE and flush it out
*/
.align 5
-ENTRY(cpu_arm1022_set_pte)
+ENTRY(cpu_arm1022_set_pte_ext)
#ifdef CONFIG_MMU
str r1, [r0], #-2048 @ linux version
@@ -441,7 +441,7 @@ arm1022_processor_functions:
.word cpu_arm1022_do_idle
.word cpu_arm1022_dcache_clean_area
.word cpu_arm1022_switch_mm
- .word cpu_arm1022_set_pte
+ .word cpu_arm1022_set_pte_ext
.size arm1022_processor_functions, . - arm1022_processor_functions
.section ".rodata"
diff --git a/arch/arm/mm/proc-arm1026.S b/arch/arm/mm/proc-arm1026.S
index d6d84d92c7c..65e43a10908 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"
@@ -347,12 +347,12 @@ ENTRY(cpu_arm1026_switch_mm)
mov pc, lr
/*
- * cpu_arm1026_set_pte(ptep, pte)
+ * cpu_arm1026_set_pte_ext(ptep, pte, ext)
*
* Set a PTE and flush it out
*/
.align 5
-ENTRY(cpu_arm1026_set_pte)
+ENTRY(cpu_arm1026_set_pte_ext)
#ifdef CONFIG_MMU
str r1, [r0], #-2048 @ linux version
@@ -436,7 +436,7 @@ arm1026_processor_functions:
.word cpu_arm1026_do_idle
.word cpu_arm1026_dcache_clean_area
.word cpu_arm1026_switch_mm
- .word cpu_arm1026_set_pte
+ .word cpu_arm1026_set_pte_ext
.size arm1026_processor_functions, . - arm1026_processor_functions
.section .rodata
diff --git a/arch/arm/mm/proc-arm6_7.S b/arch/arm/mm/proc-arm6_7.S
index 0432e480688..123a7dc7a43 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)
@@ -209,14 +209,14 @@ ENTRY(cpu_arm7_switch_mm)
mov pc, lr
/*
- * Function: arm6_7_set_pte(pte_t *ptep, pte_t pte)
+ * Function: arm6_7_set_pte_ext(pte_t *ptep, pte_t pte, unsigned int ext)
* Params : r0 = Address to set
* : r1 = value to set
* Purpose : Set a PTE and flush it out of any WB cache
*/
.align 5
-ENTRY(cpu_arm6_set_pte)
-ENTRY(cpu_arm7_set_pte)
+ENTRY(cpu_arm6_set_pte_ext)
+ENTRY(cpu_arm7_set_pte_ext)
#ifdef CONFIG_MMU
str r1, [r0], #-2048 @ linux version
@@ -299,7 +299,7 @@ ENTRY(arm6_processor_functions)
.word cpu_arm6_do_idle
.word cpu_arm6_dcache_clean_area
.word cpu_arm6_switch_mm
- .word cpu_arm6_set_pte
+ .word cpu_arm6_set_pte_ext
.size arm6_processor_functions, . - arm6_processor_functions
/*
@@ -315,7 +315,7 @@ ENTRY(arm7_processor_functions)
.word cpu_arm7_do_idle
.word cpu_arm7_dcache_clean_area
.word cpu_arm7_switch_mm
- .word cpu_arm7_set_pte
+ .word cpu_arm7_set_pte_ext
.size arm7_processor_functions, . - arm7_processor_functions
.section ".rodata"
diff --git a/arch/arm/mm/proc-arm720.S b/arch/arm/mm/proc-arm720.S
index c2f0705bfd4..dc763be4336 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"
@@ -88,13 +88,13 @@ ENTRY(cpu_arm720_switch_mm)
mov pc, lr
/*
- * Function: arm720_set_pte(pte_t *ptep, pte_t pte)
+ * Function: arm720_set_pte_ext(pte_t *ptep, pte_t pte, unsigned int ext)
* Params : r0 = Address to set
* : r1 = value to set
* Purpose : Set a PTE and flush it out of any WB cache
*/
.align 5
-ENTRY(cpu_arm720_set_pte)
+ENTRY(cpu_arm720_set_pte_ext)
#ifdef CONFIG_MMU
str r1, [r0], #-2048 @ linux version
@@ -204,7 +204,7 @@ ENTRY(arm720_processor_functions)
.word cpu_arm720_do_idle
.word cpu_arm720_dcache_clean_area
.word cpu_arm720_switch_mm
- .word cpu_arm720_set_pte
+ .word cpu_arm720_set_pte_ext
.size arm720_processor_functions, . - arm720_processor_functions
.section ".rodata"
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..75c945ed6c4 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"
@@ -344,12 +344,12 @@ ENTRY(cpu_arm920_switch_mm)
mov pc, lr
/*
- * cpu_arm920_set_pte(ptep, pte)
+ * cpu_arm920_set_pte(ptep, pte, ext)
*
* Set a PTE and flush it out
*/
.align 5
-ENTRY(cpu_arm920_set_pte)
+ENTRY(cpu_arm920_set_pte_ext)
#ifdef CONFIG_MMU
str r1, [r0], #-2048 @ linux version
@@ -423,7 +423,7 @@ arm920_processor_functions:
.word cpu_arm920_do_idle
.word cpu_arm920_dcache_clean_area
.word cpu_arm920_switch_mm
- .word cpu_arm920_set_pte
+ .word cpu_arm920_set_pte_ext
.size arm920_processor_functions, . - arm920_processor_functions
.section ".rodata"
diff --git a/arch/arm/mm/proc-arm922.S b/arch/arm/mm/proc-arm922.S
index 571f082f024..ffb751b877f 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"
@@ -348,12 +348,12 @@ ENTRY(cpu_arm922_switch_mm)
mov pc, lr
/*
- * cpu_arm922_set_pte(ptep, pte)
+ * cpu_arm922_set_pte_ext(ptep, pte, ext)
*
* Set a PTE and flush it out
*/
.align 5
-ENTRY(cpu_arm922_set_pte)
+ENTRY(cpu_arm922_set_pte_ext)
#ifdef CONFIG_MMU
str r1, [r0], #-2048 @ linux version
@@ -427,7 +427,7 @@ arm922_processor_functions:
.word cpu_arm922_do_idle
.word cpu_arm922_dcache_clean_area
.word cpu_arm922_switch_mm
- .word cpu_arm922_set_pte
+ .word cpu_arm922_set_pte_ext
.size arm922_processor_functions, . - arm922_processor_functions
.section ".rodata"
diff --git a/arch/arm/mm/proc-arm925.S b/arch/arm/mm/proc-arm925.S
index 8d9a9f93b01..44c2c997819 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"
@@ -391,12 +391,12 @@ ENTRY(cpu_arm925_switch_mm)
mov pc, lr
/*
- * cpu_arm925_set_pte(ptep, pte)
+ * cpu_arm925_set_pte_ext(ptep, pte, ext)
*
* Set a PTE and flush it out
*/
.align 5
-ENTRY(cpu_arm925_set_pte)
+ENTRY(cpu_arm925_set_pte_ext)
#ifdef CONFIG_MMU
str r1, [r0], #-2048 @ linux version
@@ -490,7 +490,7 @@ arm925_processor_functions:
.word cpu_arm925_do_idle
.word cpu_arm925_dcache_clean_area
.word cpu_arm925_switch_mm
- .word cpu_arm925_set_pte
+ .word cpu_arm925_set_pte_ext
.size arm925_processor_functions, . - arm925_processor_functions
.section ".rodata"
diff --git a/arch/arm/mm/proc-arm926.S b/arch/arm/mm/proc-arm926.S
index 44a7a652d62..5b80b6bdd0c 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"
@@ -348,12 +348,12 @@ ENTRY(cpu_arm926_switch_mm)
mov pc, lr
/*
- * cpu_arm926_set_pte(ptep, pte)
+ * cpu_arm926_set_pte_ext(ptep, pte, ext)
*
* Set a PTE and flush it out
*/
.align 5
-ENTRY(cpu_arm926_set_pte)
+ENTRY(cpu_arm926_set_pte_ext)
#ifdef CONFIG_MMU
str r1, [r0], #-2048 @ linux version
@@ -439,7 +439,7 @@ arm926_processor_functions:
.word cpu_arm926_do_idle
.word cpu_arm926_dcache_clean_area
.word cpu_arm926_switch_mm
- .word cpu_arm926_set_pte
+ .word cpu_arm926_set_pte_ext
.size arm926_processor_functions, . - arm926_processor_functions
.section ".rodata"
@@ -480,7 +480,7 @@ __arm926_proc_info:
b __arm926_setup
.long cpu_arch_name
.long cpu_elf_name
- .long HWCAP_SWP|HWCAP_HALF|HWCAP_THUMB|HWCAP_FAST_MULT|HWCAP_VFP|HWCAP_EDSP|HWCAP_JAVA
+ .long HWCAP_SWP|HWCAP_HALF|HWCAP_THUMB|HWCAP_FAST_MULT|HWCAP_EDSP|HWCAP_JAVA
.long cpu_arm926_name
.long arm926_processor_functions
.long v4wbi_tlb_fns
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..6e226e12989 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>
@@ -146,12 +146,12 @@ ENTRY(cpu_sa110_switch_mm)
#endif
/*
- * cpu_sa110_set_pte(ptep, pte)
+ * cpu_sa110_set_pte_ext(ptep, pte, ext)
*
* Set a PTE and flush it out
*/
.align 5
-ENTRY(cpu_sa110_set_pte)
+ENTRY(cpu_sa110_set_pte_ext)
#ifdef CONFIG_MMU
str r1, [r0], #-2048 @ linux version
@@ -222,7 +222,7 @@ ENTRY(sa110_processor_functions)
.word cpu_sa110_do_idle
.word cpu_sa110_dcache_clean_area
.word cpu_sa110_switch_mm
- .word cpu_sa110_set_pte
+ .word cpu_sa110_set_pte_ext
.size sa110_processor_functions, . - sa110_processor_functions
.section ".rodata"
diff --git a/arch/arm/mm/proc-sa1100.S b/arch/arm/mm/proc-sa1100.S
index b23b66a6155..9afb11d089f 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>
@@ -159,12 +159,12 @@ ENTRY(cpu_sa1100_switch_mm)
#endif
/*
- * cpu_sa1100_set_pte(ptep, pte)
+ * cpu_sa1100_set_pte_ext(ptep, pte, ext)
*
* Set a PTE and flush it out
*/
.align 5
-ENTRY(cpu_sa1100_set_pte)
+ENTRY(cpu_sa1100_set_pte_ext)
#ifdef CONFIG_MMU
str r1, [r0], #-2048 @ linux version
@@ -237,7 +237,7 @@ ENTRY(sa1100_processor_functions)
.word cpu_sa1100_do_idle
.word cpu_sa1100_dcache_clean_area
.word cpu_sa1100_switch_mm
- .word cpu_sa1100_set_pte
+ .word cpu_sa1100_set_pte_ext
.size sa1100_processor_functions, . - sa1100_processor_functions
.section ".rodata"
diff --git a/arch/arm/mm/proc-syms.c b/arch/arm/mm/proc-syms.c
index ab143557e68..9f396b4fa0b 100644
--- a/arch/arm/mm/proc-syms.c
+++ b/arch/arm/mm/proc-syms.c
@@ -17,7 +17,7 @@
#ifndef MULTI_CPU
EXPORT_SYMBOL(cpu_dcache_clean_area);
-EXPORT_SYMBOL(cpu_set_pte);
+EXPORT_SYMBOL(cpu_set_pte_ext);
#else
EXPORT_SYMBOL(processor);
#endif
diff --git a/arch/arm/mm/proc-v6.S b/arch/arm/mm/proc-v6.S
index 6f72549f884..7b1843befb9 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>
@@ -103,13 +103,14 @@ ENTRY(cpu_v6_switch_mm)
mov pc, lr
/*
- * cpu_v6_set_pte(ptep, pte)
+ * cpu_v6_set_pte_ext(ptep, pte, ext)
*
* Set a level 2 translation table entry.
*
* - ptep - pointer to level 2 translation table entry
* (hardware version is stored at -1024 bytes)
* - pte - PTE value to store
+ * - ext - value for extended PTE bits
*
* Permissions:
* YUWD APX AP1 AP0 SVC User
@@ -121,33 +122,34 @@ ENTRY(cpu_v6_switch_mm)
* 11x0 0 1 0 r/w r/o
* 1111 0 1 1 r/w r/w
*/
-ENTRY(cpu_v6_set_pte)
+ENTRY(cpu_v6_set_pte_ext)
#ifdef CONFIG_MMU
str r1, [r0], #-2048 @ linux version
- bic r2, r1, #0x000003f0
- bic r2, r2, #0x00000003
- orr r2, r2, #PTE_EXT_AP0 | 2
+ bic r3, r1, #0x000003f0
+ bic r3, r3, #0x00000003
+ orr r3, r3, r2
+ orr r3, r3, #PTE_EXT_AP0 | 2
tst r1, #L_PTE_WRITE
tstne r1, #L_PTE_DIRTY
- orreq r2, r2, #PTE_EXT_APX
+ orreq r3, r3, #PTE_EXT_APX
tst r1, #L_PTE_USER
- orrne r2, r2, #PTE_EXT_AP1
- tstne r2, #PTE_EXT_APX
- bicne r2, r2, #PTE_EXT_APX | PTE_EXT_AP0
+ orrne r3, r3, #PTE_EXT_AP1
+ tstne r3, #PTE_EXT_APX
+ bicne r3, r3, #PTE_EXT_APX | PTE_EXT_AP0
tst r1, #L_PTE_YOUNG
- biceq r2, r2, #PTE_EXT_APX | PTE_EXT_AP_MASK
+ biceq r3, r3, #PTE_EXT_APX | PTE_EXT_AP_MASK
tst r1, #L_PTE_EXEC
- orreq r2, r2, #PTE_EXT_XN
+ orreq r3, r3, #PTE_EXT_XN
tst r1, #L_PTE_PRESENT
- moveq r2, #0
+ moveq r3, #0
- str r2, [r0]
+ str r3, [r0]
mcr p15, 0, r0, c7, c10, 1 @ flush_pte
#endif
mov pc, lr
@@ -156,7 +158,7 @@ ENTRY(cpu_v6_set_pte)
cpu_v6_name:
- .asciz "Some Random V6 Processor"
+ .asciz "ARMv6-compatible processor"
.align
.section ".text.init", #alloc, #execinstr
@@ -207,11 +209,6 @@ __v6_setup:
#endif
mcr p15, 0, r4, c2, c0, 1 @ load TTB1
#endif /* CONFIG_MMU */
-#ifdef CONFIG_VFP
- mrc p15, 0, r0, c1, c0, 2
- orr r0, r0, #(0xf << 20)
- mcr p15, 0, r0, c1, c0, 2 @ Enable full access to VFP
-#endif
adr r5, v6_crval
ldmia r5, {r5, r6}
mrc p15, 0, r0, c1, c0, 0 @ read control register
@@ -238,7 +235,7 @@ ENTRY(v6_processor_functions)
.word cpu_v6_do_idle
.word cpu_v6_dcache_clean_area
.word cpu_v6_switch_mm
- .word cpu_v6_set_pte
+ .word cpu_v6_set_pte_ext
.size v6_processor_functions, . - v6_processor_functions
.type cpu_arch_name, #object
@@ -273,7 +270,7 @@ __v6_proc_info:
b __v6_setup
.long cpu_arch_name
.long cpu_elf_name
- .long HWCAP_SWP|HWCAP_HALF|HWCAP_THUMB|HWCAP_FAST_MULT|HWCAP_VFP|HWCAP_EDSP|HWCAP_JAVA
+ .long HWCAP_SWP|HWCAP_HALF|HWCAP_THUMB|HWCAP_FAST_MULT|HWCAP_EDSP|HWCAP_JAVA
.long cpu_v6_name
.long v6_processor_functions
.long v6wbi_tlb_fns
diff --git a/arch/arm/mm/proc-xsc3.S b/arch/arm/mm/proc-xsc3.S
index 4ace2d8090c..94a58455f34 100644
--- a/arch/arm/mm/proc-xsc3.S
+++ b/arch/arm/mm/proc-xsc3.S
@@ -2,7 +2,7 @@
* linux/arch/arm/mm/proc-xsc3.S
*
* Original Author: Matthew Gilbert
- * Current Maintainer: Deepak Saxena <dsaxena@plexity.net>
+ * Current Maintainer: Lennert Buytenhek <buytenh@wantstofly.org>
*
* Copyright 2004 (C) Intel Corp.
* Copyright 2005 (c) MontaVista Software, Inc.
@@ -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.
@@ -362,17 +357,19 @@ ENTRY(cpu_xsc3_switch_mm)
cpwait_ret lr, ip
/*
- * cpu_xsc3_set_pte(ptep, pte)
+ * cpu_xsc3_set_pte_ext(ptep, pte, ext)
*
* Set a PTE and flush it out
*
*/
.align 5
-ENTRY(cpu_xsc3_set_pte)
+ENTRY(cpu_xsc3_set_pte_ext)
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
@@ -462,7 +457,7 @@ ENTRY(xsc3_processor_functions)
.word cpu_xsc3_do_idle
.word cpu_xsc3_dcache_clean_area
.word cpu_xsc3_switch_mm
- .word cpu_xsc3_set_pte
+ .word cpu_xsc3_set_pte_ext
.size xsc3_processor_functions, . - xsc3_processor_functions
.section ".rodata"
diff --git a/arch/arm/mm/proc-xscale.S b/arch/arm/mm/proc-xscale.S
index 2749c1f88d7..490e11b3423 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>
@@ -421,14 +421,14 @@ ENTRY(cpu_xscale_switch_mm)
cpwait_ret lr, ip
/*
- * cpu_xscale_set_pte(ptep, pte)
+ * cpu_xscale_set_pte_ext(ptep, pte, ext)
*
* Set a PTE and flush it out
*
* Errata 40: must set memory to write-through for user read-only pages.
*/
.align 5
-ENTRY(cpu_xscale_set_pte)
+ENTRY(cpu_xscale_set_pte_ext)
str r1, [r0], #-2048 @ linux version
bic r2, r1, #0xff0
@@ -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
@@ -534,7 +529,7 @@ ENTRY(xscale_processor_functions)
.word cpu_xscale_do_idle
.word cpu_xscale_dcache_clean_area
.word cpu_xscale_switch_mm
- .word cpu_xscale_set_pte
+ .word cpu_xscale_set_pte_ext
.size xscale_processor_functions, . - xscale_processor_functions
.section ".rodata"
@@ -909,7 +904,7 @@ __pxa270_proc_info:
b __xscale_setup
.long cpu_arch_name
.long cpu_elf_name
- .long HWCAP_SWP|HWCAP_HALF|HWCAP_THUMB|HWCAP_FAST_MULT|HWCAP_EDSP|HWCAP_IWMMXT
+ .long HWCAP_SWP|HWCAP_HALF|HWCAP_THUMB|HWCAP_FAST_MULT|HWCAP_EDSP
.long cpu_pxa270_name
.long xscale_processor_functions
.long v4wbi_tlb_fns