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authorOlof Johansson <olof@lixom.net>2019-04-28 23:35:18 -0700
committerOlof Johansson <olof@lixom.net>2019-04-28 23:35:18 -0700
commit21954712549cc74a39b5eae922679a705b3bedad (patch)
treedde520329b041da6ee7cb3e47e12ba8d0a4e5897 /drivers/memory
parent990d4322cc8dd57ba460b9ad7cf454d4aee50ed0 (diff)
parent67a8d5b0fadfd931f7e6a78e9ee7b2792a7114aa (diff)
Merge tag 'tegra-for-5.2-memory' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into arm/drivers
memory: tegra: Changes for v5.2-rc1 These are a set of fixes for various issues related to the Tegra memory controller. * tag 'tegra-for-5.2-memory' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux: memory: tegra: Fix a typos for "fdcdwr2" mc client Revert "ARM: tegra: Restore memory arbitration on resume from LP1 on Tegra30+" memory: tegra: Replace readl-writel with mc_readl-mc_writel memory: tegra: Fix integer overflow on tick value calculation memory: tegra: Fix missed registers values latching memory: tegra: Properly spell "tegra" memory: tegra: Make terga20_mc_reset_ops static Signed-off-by: Olof Johansson <olof@lixom.net>
Diffstat (limited to 'drivers/memory')
-rw-r--r--drivers/memory/tegra/mc.c34
-rw-r--r--drivers/memory/tegra/mc.h2
-rw-r--r--drivers/memory/tegra/tegra114.c4
-rw-r--r--drivers/memory/tegra/tegra124.c4
-rw-r--r--drivers/memory/tegra/tegra20.c28
-rw-r--r--drivers/memory/tegra/tegra210.c2
-rw-r--r--drivers/memory/tegra/tegra30.c4
7 files changed, 42 insertions, 36 deletions
diff --git a/drivers/memory/tegra/mc.c b/drivers/memory/tegra/mc.c
index 0a53598d982f..163b6c69e651 100644
--- a/drivers/memory/tegra/mc.c
+++ b/drivers/memory/tegra/mc.c
@@ -51,6 +51,9 @@
#define MC_EMEM_ADR_CFG 0x54
#define MC_EMEM_ADR_CFG_EMEM_NUMDEV BIT(0)
+#define MC_TIMING_CONTROL 0xfc
+#define MC_TIMING_UPDATE BIT(0)
+
static const struct of_device_id tegra_mc_of_match[] = {
#ifdef CONFIG_ARCH_TEGRA_2x_SOC
{ .compatible = "nvidia,tegra20-mc-gart", .data = &tegra20_mc_soc },
@@ -74,7 +77,7 @@ static const struct of_device_id tegra_mc_of_match[] = {
};
MODULE_DEVICE_TABLE(of, tegra_mc_of_match);
-static int terga_mc_block_dma_common(struct tegra_mc *mc,
+static int tegra_mc_block_dma_common(struct tegra_mc *mc,
const struct tegra_mc_reset *rst)
{
unsigned long flags;
@@ -90,13 +93,13 @@ static int terga_mc_block_dma_common(struct tegra_mc *mc,
return 0;
}
-static bool terga_mc_dma_idling_common(struct tegra_mc *mc,
+static bool tegra_mc_dma_idling_common(struct tegra_mc *mc,
const struct tegra_mc_reset *rst)
{
return (mc_readl(mc, rst->status) & BIT(rst->bit)) != 0;
}
-static int terga_mc_unblock_dma_common(struct tegra_mc *mc,
+static int tegra_mc_unblock_dma_common(struct tegra_mc *mc,
const struct tegra_mc_reset *rst)
{
unsigned long flags;
@@ -112,17 +115,17 @@ static int terga_mc_unblock_dma_common(struct tegra_mc *mc,
return 0;
}
-static int terga_mc_reset_status_common(struct tegra_mc *mc,
+static int tegra_mc_reset_status_common(struct tegra_mc *mc,
const struct tegra_mc_reset *rst)
{
return (mc_readl(mc, rst->control) & BIT(rst->bit)) != 0;
}
-const struct tegra_mc_reset_ops terga_mc_reset_ops_common = {
- .block_dma = terga_mc_block_dma_common,
- .dma_idling = terga_mc_dma_idling_common,
- .unblock_dma = terga_mc_unblock_dma_common,
- .reset_status = terga_mc_reset_status_common,
+const struct tegra_mc_reset_ops tegra_mc_reset_ops_common = {
+ .block_dma = tegra_mc_block_dma_common,
+ .dma_idling = tegra_mc_dma_idling_common,
+ .unblock_dma = tegra_mc_unblock_dma_common,
+ .reset_status = tegra_mc_reset_status_common,
};
static inline struct tegra_mc *reset_to_mc(struct reset_controller_dev *rcdev)
@@ -282,25 +285,28 @@ static int tegra_mc_setup_latency_allowance(struct tegra_mc *mc)
u32 value;
/* compute the number of MC clock cycles per tick */
- tick = mc->tick * clk_get_rate(mc->clk);
+ tick = (unsigned long long)mc->tick * clk_get_rate(mc->clk);
do_div(tick, NSEC_PER_SEC);
- value = readl(mc->regs + MC_EMEM_ARB_CFG);
+ value = mc_readl(mc, MC_EMEM_ARB_CFG);
value &= ~MC_EMEM_ARB_CFG_CYCLES_PER_UPDATE_MASK;
value |= MC_EMEM_ARB_CFG_CYCLES_PER_UPDATE(tick);
- writel(value, mc->regs + MC_EMEM_ARB_CFG);
+ mc_writel(mc, value, MC_EMEM_ARB_CFG);
/* write latency allowance defaults */
for (i = 0; i < mc->soc->num_clients; i++) {
const struct tegra_mc_la *la = &mc->soc->clients[i].la;
u32 value;
- value = readl(mc->regs + la->reg);
+ value = mc_readl(mc, la->reg);
value &= ~(la->mask << la->shift);
value |= (la->def & la->mask) << la->shift;
- writel(value, mc->regs + la->reg);
+ mc_writel(mc, value, la->reg);
}
+ /* latch new values */
+ mc_writel(mc, MC_TIMING_UPDATE, MC_TIMING_CONTROL);
+
return 0;
}
diff --git a/drivers/memory/tegra/mc.h b/drivers/memory/tegra/mc.h
index 887a3b07334f..392993955c93 100644
--- a/drivers/memory/tegra/mc.h
+++ b/drivers/memory/tegra/mc.h
@@ -35,7 +35,7 @@ static inline void mc_writel(struct tegra_mc *mc, u32 value,
writel_relaxed(value, mc->regs + offset);
}
-extern const struct tegra_mc_reset_ops terga_mc_reset_ops_common;
+extern const struct tegra_mc_reset_ops tegra_mc_reset_ops_common;
#ifdef CONFIG_ARCH_TEGRA_2x_SOC
extern const struct tegra_mc_soc tegra20_mc_soc;
diff --git a/drivers/memory/tegra/tegra114.c b/drivers/memory/tegra/tegra114.c
index 6560a5101322..62305fafd641 100644
--- a/drivers/memory/tegra/tegra114.c
+++ b/drivers/memory/tegra/tegra114.c
@@ -572,7 +572,7 @@ static const struct tegra_mc_client tegra114_mc_clients[] = {
},
}, {
.id = 0x34,
- .name = "fdcwr2",
+ .name = "fdcdwr2",
.swgroup = TEGRA_SWGROUP_NV,
.smmu = {
.reg = 0x22c,
@@ -975,7 +975,7 @@ const struct tegra_mc_soc tegra114_mc_soc = {
.smmu = &tegra114_smmu_soc,
.intmask = MC_INT_INVALID_SMMU_PAGE | MC_INT_SECURITY_VIOLATION |
MC_INT_DECERR_EMEM,
- .reset_ops = &terga_mc_reset_ops_common,
+ .reset_ops = &tegra_mc_reset_ops_common,
.resets = tegra114_mc_resets,
.num_resets = ARRAY_SIZE(tegra114_mc_resets),
};
diff --git a/drivers/memory/tegra/tegra124.c b/drivers/memory/tegra/tegra124.c
index b561a1fe7f46..8f8487bda642 100644
--- a/drivers/memory/tegra/tegra124.c
+++ b/drivers/memory/tegra/tegra124.c
@@ -1074,7 +1074,7 @@ const struct tegra_mc_soc tegra124_mc_soc = {
.intmask = MC_INT_DECERR_MTS | MC_INT_SECERR_SEC | MC_INT_DECERR_VPR |
MC_INT_INVALID_APB_ASID_UPDATE | MC_INT_INVALID_SMMU_PAGE |
MC_INT_SECURITY_VIOLATION | MC_INT_DECERR_EMEM,
- .reset_ops = &terga_mc_reset_ops_common,
+ .reset_ops = &tegra_mc_reset_ops_common,
.resets = tegra124_mc_resets,
.num_resets = ARRAY_SIZE(tegra124_mc_resets),
};
@@ -1104,7 +1104,7 @@ const struct tegra_mc_soc tegra132_mc_soc = {
.intmask = MC_INT_DECERR_MTS | MC_INT_SECERR_SEC | MC_INT_DECERR_VPR |
MC_INT_INVALID_APB_ASID_UPDATE | MC_INT_INVALID_SMMU_PAGE |
MC_INT_SECURITY_VIOLATION | MC_INT_DECERR_EMEM,
- .reset_ops = &terga_mc_reset_ops_common,
+ .reset_ops = &tegra_mc_reset_ops_common,
.resets = tegra124_mc_resets,
.num_resets = ARRAY_SIZE(tegra124_mc_resets),
};
diff --git a/drivers/memory/tegra/tegra20.c b/drivers/memory/tegra/tegra20.c
index 7119e532471c..121237b16add 100644
--- a/drivers/memory/tegra/tegra20.c
+++ b/drivers/memory/tegra/tegra20.c
@@ -198,7 +198,7 @@ static const struct tegra_mc_reset tegra20_mc_resets[] = {
TEGRA20_MC_RESET(VI, 0x100, 0x178, 0x104, 14),
};
-static int terga20_mc_hotreset_assert(struct tegra_mc *mc,
+static int tegra20_mc_hotreset_assert(struct tegra_mc *mc,
const struct tegra_mc_reset *rst)
{
unsigned long flags;
@@ -214,7 +214,7 @@ static int terga20_mc_hotreset_assert(struct tegra_mc *mc,
return 0;
}
-static int terga20_mc_hotreset_deassert(struct tegra_mc *mc,
+static int tegra20_mc_hotreset_deassert(struct tegra_mc *mc,
const struct tegra_mc_reset *rst)
{
unsigned long flags;
@@ -230,7 +230,7 @@ static int terga20_mc_hotreset_deassert(struct tegra_mc *mc,
return 0;
}
-static int terga20_mc_block_dma(struct tegra_mc *mc,
+static int tegra20_mc_block_dma(struct tegra_mc *mc,
const struct tegra_mc_reset *rst)
{
unsigned long flags;
@@ -246,19 +246,19 @@ static int terga20_mc_block_dma(struct tegra_mc *mc,
return 0;
}
-static bool terga20_mc_dma_idling(struct tegra_mc *mc,
+static bool tegra20_mc_dma_idling(struct tegra_mc *mc,
const struct tegra_mc_reset *rst)
{
return mc_readl(mc, rst->status) == 0;
}
-static int terga20_mc_reset_status(struct tegra_mc *mc,
+static int tegra20_mc_reset_status(struct tegra_mc *mc,
const struct tegra_mc_reset *rst)
{
return (mc_readl(mc, rst->reset) & BIT(rst->bit)) == 0;
}
-static int terga20_mc_unblock_dma(struct tegra_mc *mc,
+static int tegra20_mc_unblock_dma(struct tegra_mc *mc,
const struct tegra_mc_reset *rst)
{
unsigned long flags;
@@ -274,13 +274,13 @@ static int terga20_mc_unblock_dma(struct tegra_mc *mc,
return 0;
}
-const struct tegra_mc_reset_ops terga20_mc_reset_ops = {
- .hotreset_assert = terga20_mc_hotreset_assert,
- .hotreset_deassert = terga20_mc_hotreset_deassert,
- .block_dma = terga20_mc_block_dma,
- .dma_idling = terga20_mc_dma_idling,
- .unblock_dma = terga20_mc_unblock_dma,
- .reset_status = terga20_mc_reset_status,
+static const struct tegra_mc_reset_ops tegra20_mc_reset_ops = {
+ .hotreset_assert = tegra20_mc_hotreset_assert,
+ .hotreset_deassert = tegra20_mc_hotreset_deassert,
+ .block_dma = tegra20_mc_block_dma,
+ .dma_idling = tegra20_mc_dma_idling,
+ .unblock_dma = tegra20_mc_unblock_dma,
+ .reset_status = tegra20_mc_reset_status,
};
const struct tegra_mc_soc tegra20_mc_soc = {
@@ -290,7 +290,7 @@ const struct tegra_mc_soc tegra20_mc_soc = {
.client_id_mask = 0x3f,
.intmask = MC_INT_SECURITY_VIOLATION | MC_INT_INVALID_GART_PAGE |
MC_INT_DECERR_EMEM,
- .reset_ops = &terga20_mc_reset_ops,
+ .reset_ops = &tegra20_mc_reset_ops,
.resets = tegra20_mc_resets,
.num_resets = ARRAY_SIZE(tegra20_mc_resets),
};
diff --git a/drivers/memory/tegra/tegra210.c b/drivers/memory/tegra/tegra210.c
index d00a77160407..aa22cda637eb 100644
--- a/drivers/memory/tegra/tegra210.c
+++ b/drivers/memory/tegra/tegra210.c
@@ -1132,7 +1132,7 @@ const struct tegra_mc_soc tegra210_mc_soc = {
.intmask = MC_INT_DECERR_MTS | MC_INT_SECERR_SEC | MC_INT_DECERR_VPR |
MC_INT_INVALID_APB_ASID_UPDATE | MC_INT_INVALID_SMMU_PAGE |
MC_INT_SECURITY_VIOLATION | MC_INT_DECERR_EMEM,
- .reset_ops = &terga_mc_reset_ops_common,
+ .reset_ops = &tegra_mc_reset_ops_common,
.resets = tegra210_mc_resets,
.num_resets = ARRAY_SIZE(tegra210_mc_resets),
};
diff --git a/drivers/memory/tegra/tegra30.c b/drivers/memory/tegra/tegra30.c
index bee5314ed404..c9af0f682ead 100644
--- a/drivers/memory/tegra/tegra30.c
+++ b/drivers/memory/tegra/tegra30.c
@@ -726,7 +726,7 @@ static const struct tegra_mc_client tegra30_mc_clients[] = {
},
}, {
.id = 0x34,
- .name = "fdcwr2",
+ .name = "fdcdwr2",
.swgroup = TEGRA_SWGROUP_NV2,
.smmu = {
.reg = 0x22c,
@@ -999,7 +999,7 @@ const struct tegra_mc_soc tegra30_mc_soc = {
.smmu = &tegra30_smmu_soc,
.intmask = MC_INT_INVALID_SMMU_PAGE | MC_INT_SECURITY_VIOLATION |
MC_INT_DECERR_EMEM,
- .reset_ops = &terga_mc_reset_ops_common,
+ .reset_ops = &tegra_mc_reset_ops_common,
.resets = tegra30_mc_resets,
.num_resets = ARRAY_SIZE(tegra30_mc_resets),
};