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-rw-r--r--drivers/iommu/tegra-smmu.c9
-rw-r--r--drivers/memory/tegra/tegra114.c1
-rw-r--r--drivers/memory/tegra/tegra124.c1
-rw-r--r--drivers/memory/tegra/tegra30.c1
-rw-r--r--include/soc/tegra/mc.h1
5 files changed, 11 insertions, 2 deletions
diff --git a/drivers/iommu/tegra-smmu.c b/drivers/iommu/tegra-smmu.c
index 2f1481ad4aa5..9305964250ac 100644
--- a/drivers/iommu/tegra-smmu.c
+++ b/drivers/iommu/tegra-smmu.c
@@ -27,6 +27,7 @@ struct tegra_smmu {
const struct tegra_smmu_soc *soc;
unsigned long pfn_mask;
+ unsigned long tlb_mask;
unsigned long *asids;
struct mutex lock;
@@ -70,7 +71,8 @@ static inline u32 smmu_readl(struct tegra_smmu *smmu, unsigned long offset)
#define SMMU_TLB_CONFIG 0x14
#define SMMU_TLB_CONFIG_HIT_UNDER_MISS (1 << 29)
#define SMMU_TLB_CONFIG_ROUND_ROBIN_ARBITRATION (1 << 28)
-#define SMMU_TLB_CONFIG_ACTIVE_LINES(x) ((x) & 0x3f)
+#define SMMU_TLB_CONFIG_ACTIVE_LINES(smmu) \
+ ((smmu)->soc->num_tlb_lines & (smmu)->tlb_mask)
#define SMMU_PTC_CONFIG 0x18
#define SMMU_PTC_CONFIG_ENABLE (1 << 29)
@@ -901,6 +903,9 @@ struct tegra_smmu *tegra_smmu_probe(struct device *dev,
smmu->pfn_mask = BIT_MASK(mc->soc->num_address_bits - PAGE_SHIFT) - 1;
dev_dbg(dev, "address bits: %u, PFN mask: %#lx\n",
mc->soc->num_address_bits, smmu->pfn_mask);
+ smmu->tlb_mask = (smmu->soc->num_tlb_lines << 1) - 1;
+ dev_dbg(dev, "TLB lines: %u, mask: %#lx\n", smmu->soc->num_tlb_lines,
+ smmu->tlb_mask);
value = SMMU_PTC_CONFIG_ENABLE | SMMU_PTC_CONFIG_INDEX_MAP(0x3f);
@@ -910,7 +915,7 @@ struct tegra_smmu *tegra_smmu_probe(struct device *dev,
smmu_writel(smmu, value, SMMU_PTC_CONFIG);
value = SMMU_TLB_CONFIG_HIT_UNDER_MISS |
- SMMU_TLB_CONFIG_ACTIVE_LINES(0x20);
+ SMMU_TLB_CONFIG_ACTIVE_LINES(smmu);
if (soc->supports_round_robin_arbitration)
value |= SMMU_TLB_CONFIG_ROUND_ROBIN_ARBITRATION;
diff --git a/drivers/memory/tegra/tegra114.c b/drivers/memory/tegra/tegra114.c
index 7122f39be9cc..8053f70dbfd1 100644
--- a/drivers/memory/tegra/tegra114.c
+++ b/drivers/memory/tegra/tegra114.c
@@ -919,6 +919,7 @@ static const struct tegra_smmu_soc tegra114_smmu_soc = {
.num_swgroups = ARRAY_SIZE(tegra114_swgroups),
.supports_round_robin_arbitration = false,
.supports_request_limit = false,
+ .num_tlb_lines = 32,
.num_asids = 4,
};
diff --git a/drivers/memory/tegra/tegra124.c b/drivers/memory/tegra/tegra124.c
index ebda63283853..7d734befe0ed 100644
--- a/drivers/memory/tegra/tegra124.c
+++ b/drivers/memory/tegra/tegra124.c
@@ -1029,6 +1029,7 @@ static const struct tegra_smmu_soc tegra132_smmu_soc = {
.num_swgroups = ARRAY_SIZE(tegra124_swgroups),
.supports_round_robin_arbitration = true,
.supports_request_limit = true,
+ .num_tlb_lines = 32,
.num_asids = 128,
};
diff --git a/drivers/memory/tegra/tegra30.c b/drivers/memory/tegra/tegra30.c
index 3cb30b69d95b..7e0694d80edb 100644
--- a/drivers/memory/tegra/tegra30.c
+++ b/drivers/memory/tegra/tegra30.c
@@ -941,6 +941,7 @@ static const struct tegra_smmu_soc tegra30_smmu_soc = {
.num_swgroups = ARRAY_SIZE(tegra30_swgroups),
.supports_round_robin_arbitration = false,
.supports_request_limit = false,
+ .num_tlb_lines = 16,
.num_asids = 4,
};
diff --git a/include/soc/tegra/mc.h b/include/soc/tegra/mc.h
index d6c3190ec852..8cb3a7ecd6f8 100644
--- a/include/soc/tegra/mc.h
+++ b/include/soc/tegra/mc.h
@@ -61,6 +61,7 @@ struct tegra_smmu_soc {
bool supports_round_robin_arbitration;
bool supports_request_limit;
+ unsigned int num_tlb_lines;
unsigned int num_asids;
};

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