From 2e8c8ba98376459e73d03a285f5d3406b630ea2d Mon Sep 17 00:00:00 2001 From: Stepan Moskovchenko Date: Thu, 24 Feb 2011 18:00:41 -0800 Subject: msm: iommu: Use ASID tagging instead of VMID tagging Use ASID tags in the TLB instead of VMID tags in preparation for changes to the secure environment. Signed-off-by: Stepan Moskovchenko Signed-off-by: David Brown --- arch/arm/mach-msm/iommu.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) (limited to 'arch/arm/mach-msm/iommu.c') diff --git a/arch/arm/mach-msm/iommu.c b/arch/arm/mach-msm/iommu.c index cde3cd0f8c0c..9c087405c635 100644 --- a/arch/arm/mach-msm/iommu.c +++ b/arch/arm/mach-msm/iommu.c @@ -137,7 +137,6 @@ static void __reset_context(void __iomem *base, int ctx) SET_TLBLKCR(base, ctx, 0); SET_PRRR(base, ctx, 0); SET_NMRR(base, ctx, 0); - SET_CONTEXTIDR(base, ctx, 0); } static void __program_context(void __iomem *base, int ctx, phys_addr_t pgtable) @@ -418,11 +417,11 @@ static int msm_iommu_map(struct iommu_domain *domain, unsigned long va, for (i = 0; i < 16; i++) *(fl_pte+i) = (pa & 0xFF000000) | FL_SUPERSECTION | FL_AP_READ | FL_AP_WRITE | FL_TYPE_SECT | - FL_SHARED | pgprot; + FL_SHARED | FL_NG | pgprot; } if (len == SZ_1M) - *fl_pte = (pa & 0xFFF00000) | FL_AP_READ | FL_AP_WRITE | + *fl_pte = (pa & 0xFFF00000) | FL_AP_READ | FL_AP_WRITE | FL_NG | FL_TYPE_SECT | FL_SHARED | pgprot; /* Need a 2nd level table */ @@ -447,7 +446,7 @@ static int msm_iommu_map(struct iommu_domain *domain, unsigned long va, if (len == SZ_4K) - *sl_pte = (pa & SL_BASE_MASK_SMALL) | SL_AP0 | SL_AP1 | + *sl_pte = (pa & SL_BASE_MASK_SMALL) | SL_AP0 | SL_AP1 | SL_NG | SL_SHARED | SL_TYPE_SMALL | pgprot; if (len == SZ_64K) { @@ -455,7 +454,7 @@ static int msm_iommu_map(struct iommu_domain *domain, unsigned long va, for (i = 0; i < 16; i++) *(sl_pte+i) = (pa & SL_BASE_MASK_LARGE) | SL_AP0 | - SL_AP1 | SL_SHARED | SL_TYPE_LARGE | pgprot; + SL_NG | SL_AP1 | SL_SHARED | SL_TYPE_LARGE | pgprot; } ret = __flush_iotlb(domain); -- cgit v1.2.2