From cca17e25bfb7e7cc2b0ab4164561f725969ce36a Mon Sep 17 00:00:00 2001 From: Sascha Hauer Date: Tue, 3 Jul 2012 09:33:53 +0200 Subject: ARM mmu: flush page tables in arm_mmu_remap_sdram() Signed-off-by: Sascha Hauer --- arch/arm/cpu/mmu.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'arch/arm/cpu/mmu.c') diff --git a/arch/arm/cpu/mmu.c b/arch/arm/cpu/mmu.c index 55b07a46d1..607f3572db 100644 --- a/arch/arm/cpu/mmu.c +++ b/arch/arm/cpu/mmu.c @@ -147,7 +147,7 @@ static int arm_mmu_remap_sdram(struct memory_bank *bank) if ((phys & (SZ_1M - 1)) || (bank->size & (SZ_1M - 1))) return -EINVAL; - ptes = memalign(0x400, num_ptes * sizeof(u32)); + ptes = memalign(PAGE_SIZE, num_ptes * sizeof(u32)); debug("ptes: 0x%p ttb_start: 0x%08lx ttb_end: 0x%08lx\n", ptes, ttb_start, ttb_end); @@ -165,6 +165,9 @@ static int arm_mmu_remap_sdram(struct memory_bank *bank) pte += 256; } + dma_flush_range((unsigned long)ttb, (unsigned long)ttb + 0x4000); + dma_flush_range((unsigned long)ptes, num_ptes * sizeof(u32)); + tlb_invalidate(); return 0; -- cgit v1.2.3