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authorLinus Torvalds <torvalds@linux-foundation.org>2009-09-18 09:43:09 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-09-18 09:43:09 -0700
commit515b696b282f856c3ad1679ccd658120faa387d0 (patch)
treed9d7c1185c396617f128ca23463062308d11393b /arch/sh/mm/tlb-sh4.c
parentfa877c71e2136bd682b45022c96d5e073ced9f58 (diff)
parent064a16dc41be879d12bd5de5d2f9d38d890e0ee7 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (262 commits) sh: mach-ecovec24: Add user debug switch support sh: Kill off unused se_skipped in alignment trap notification code. sh: Wire up HAVE_SYSCALL_TRACEPOINTS. video: sh_mobile_lcdcfb: use both register sets for display panning video: sh_mobile_lcdcfb: implement display panning sh: Fix up sh7705 flush_dcache_page() build. sh: kfr2r09: document the PLL/FLL <-> RF relationship. sh: mach-ecovec24: need asm/clock.h. sh: mach-ecovec24: deassert usb irq on boot. sh: Add KEYSC support for EcoVec24 sh: add kycr2_delay for sh_keysc sh: cpufreq: Include CPU id in info messages. sh: multi-evt support for SH-X3 proto CPU. sh: clkfwk: remove bogus set_bus_parent() from SH7709. sh: Fix the indication point of the liquid crystal of AP-325RXA(AP3300) sh: Add EcoVec24 romImage defconfig sh: USB disable process is needed if romImage boot for EcoVec24 sh: EcoVec24: add HIZA setting for LED sh: EcoVec24: write MAC address in boot sh: Add romImage support for EcoVec24 ...
Diffstat (limited to 'arch/sh/mm/tlb-sh4.c')
-rw-r--r--arch/sh/mm/tlb-sh4.c37
1 files changed, 11 insertions, 26 deletions
diff --git a/arch/sh/mm/tlb-sh4.c b/arch/sh/mm/tlb-sh4.c
index f0c7b7397fa..8cf550e2570 100644
--- a/arch/sh/mm/tlb-sh4.c
+++ b/arch/sh/mm/tlb-sh4.c
@@ -15,34 +15,16 @@
#include <asm/mmu_context.h>
#include <asm/cacheflush.h>
-void update_mmu_cache(struct vm_area_struct * vma,
- unsigned long address, pte_t pte)
+void __update_tlb(struct vm_area_struct *vma, unsigned long address, pte_t pte)
{
- unsigned long flags;
- unsigned long pteval;
- unsigned long vpn;
+ unsigned long flags, pteval, vpn;
- /* Ptrace may call this routine. */
+ /*
+ * Handle debugger faulting in for debugee.
+ */
if (vma && current->active_mm != vma->vm_mm)
return;
-#ifndef CONFIG_CACHE_OFF
- {
- unsigned long pfn = pte_pfn(pte);
-
- if (pfn_valid(pfn)) {
- struct page *page = pfn_to_page(pfn);
-
- if (!test_bit(PG_mapped, &page->flags)) {
- unsigned long phys = pte_val(pte) & PTE_PHYS_MASK;
- __flush_wback_region((void *)P1SEGADDR(phys),
- PAGE_SIZE);
- __set_bit(PG_mapped, &page->flags);
- }
- }
- }
-#endif
-
local_irq_save(flags);
/* Set PTEH register */
@@ -61,9 +43,12 @@ void update_mmu_cache(struct vm_area_struct * vma,
*/
ctrl_outl(pte.pte_high, MMU_PTEA);
#else
- if (cpu_data->flags & CPU_HAS_PTEA)
- /* TODO: make this look less hacky */
- ctrl_outl(((pteval >> 28) & 0xe) | (pteval & 0x1), MMU_PTEA);
+ if (cpu_data->flags & CPU_HAS_PTEA) {
+ /* The last 3 bits and the first one of pteval contains
+ * the PTEA timing control and space attribute bits
+ */
+ ctrl_outl(copy_ptea_attributes(pteval), MMU_PTEA);
+ }
#endif
/* Set PTEL register */