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authorPaul Mundt <lethal@linux-sh.org>2006-09-27 09:55:41 +0400
committerPaul Mundt <lethal@linux-sh.org>2006-09-27 09:55:41 +0400
commit749cf486920bf53f16e6a6889d9635a91ffb6c82 (patch)
treeff288990effd0fe5bf980d6c27af5dc9ad11bc3d /arch/sh/mm/tlb-sh4.c
parent94c0fa520cc169ccf661e9c03b5b95f74d1520b8 (diff)
downloadlinux-749cf486920bf53f16e6a6889d9635a91ffb6c82.tar.xz
sh: Add flag for MMU PTEA capability.
Add CPU_HAS_PTEA, refactor some of the cpu flag settings. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/mm/tlb-sh4.c')
-rw-r--r--arch/sh/mm/tlb-sh4.c12
1 files changed, 4 insertions, 8 deletions
diff --git a/arch/sh/mm/tlb-sh4.c b/arch/sh/mm/tlb-sh4.c
index 96e5fb0ac4fa..812b2d567de2 100644
--- a/arch/sh/mm/tlb-sh4.c
+++ b/arch/sh/mm/tlb-sh4.c
@@ -36,9 +36,6 @@ void update_mmu_cache(struct vm_area_struct * vma,
unsigned long vpn;
struct page *page;
unsigned long pfn;
-#ifndef CONFIG_CPU_SUBTYPE_SH7780
- unsigned long ptea;
-#endif
/* Ptrace may call this routine. */
if (vma && current->active_mm != vma->vm_mm)
@@ -61,12 +58,11 @@ void update_mmu_cache(struct vm_area_struct * vma,
ctrl_outl(vpn, MMU_PTEH);
pteval = pte_val(pte);
-#ifndef CONFIG_CPU_SUBTYPE_SH7780
+
/* Set PTEA register */
- /* TODO: make this look less hacky */
- ptea = ((pteval >> 28) & 0xe) | (pteval & 0x1);
- ctrl_outl(ptea, MMU_PTEA);
-#endif
+ if (cpu_data->flags & CPU_HAS_PTEA)
+ /* TODO: make this look less hacky */
+ ctrl_outl(((pteval >> 28) & 0xe) | (pteval & 0x1), MMU_PTEA);
/* Set PTEL register */
pteval &= _PAGE_FLAGS_HARDWARE_MASK; /* drop software flags */