From eddeeb32fe303910c58c4e3c27fde4b6f1503350 Mon Sep 17 00:00:00 2001 From: Stuart Menefy Date: Mon, 26 Nov 2007 21:32:40 +0900 Subject: [PATCH] sh: Invalidate the TLB after applying PMB mappings. Signed-off-by: Stuart Menefy Signed-off-by: Paul Mundt --- arch/sh/mm/pmb.c | 6 ++++++ include/asm-sh/cpu-sh4/mmu_context.h | 2 ++ 2 files changed, 8 insertions(+) diff --git a/arch/sh/mm/pmb.c b/arch/sh/mm/pmb.c index 1d45b82f0a63..b632051d6ce5 100644 --- a/arch/sh/mm/pmb.c +++ b/arch/sh/mm/pmb.c @@ -27,6 +27,7 @@ #include #include #include +#include #define NR_PMB_ENTRIES 16 @@ -329,6 +330,11 @@ static int __init pmb_init(void) /* PMB.SE and UB[7] */ ctrl_outl((1 << 31) | (1 << 7), PMB_PASCR); + /* Flush out the TLB */ + i = ctrl_inl(MMUCR); + i |= MMUCR_TI; + ctrl_outl(i, MMUCR); + back_to_P1(); return 0; diff --git a/include/asm-sh/cpu-sh4/mmu_context.h b/include/asm-sh/cpu-sh4/mmu_context.h index 979acddc0f8e..fdd56e3e3a3b 100644 --- a/include/asm-sh/cpu-sh4/mmu_context.h +++ b/include/asm-sh/cpu-sh4/mmu_context.h @@ -22,6 +22,8 @@ #define MMU_UTLB_ADDRESS_ARRAY 0xF6000000 #define MMU_PAGE_ASSOC_BIT 0x80 +#define MMUCR_TI (1<<2) + #ifdef CONFIG_X2TLB #define MMUCR_ME (1 << 7) #else -- 2.30.2