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authorStepan Moskovchenko <stepanm@codeaurora.org>2011-02-24 18:00:41 -0800
committerDavid Brown <davidb@codeaurora.org>2011-03-08 14:40:58 -0800
commit2e8c8ba98376459e73d03a285f5d3406b630ea2d (patch)
tree774f957b4aab21d8799f9d42d761eb7b1f624ba8 /arch/arm/mach-msm/iommu.c
parentb61401adf38f56dbfdac91f31425edf60595ed30 (diff)
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 <stepanm@codeaurora.org> Signed-off-by: David Brown <davidb@codeaurora.org>
Diffstat (limited to 'arch/arm/mach-msm/iommu.c')
-rw-r--r--arch/arm/mach-msm/iommu.c9
1 files changed, 4 insertions, 5 deletions
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);