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-rw-r--r--drivers/memory/tegra/Makefile1
-rw-r--r--drivers/memory/tegra/mc.c362
-rw-r--r--drivers/memory/tegra/mc.h22
-rw-r--r--drivers/memory/tegra/tegra114.c33
-rw-r--r--drivers/memory/tegra/tegra124.c48
-rw-r--r--drivers/memory/tegra/tegra20.c296
-rw-r--r--drivers/memory/tegra/tegra210.c53
-rw-r--r--drivers/memory/tegra/tegra30.c35
8 files changed, 807 insertions, 43 deletions
diff --git a/drivers/memory/tegra/Makefile b/drivers/memory/tegra/Makefile
index ce87a9470034..94ab16ba075b 100644
--- a/drivers/memory/tegra/Makefile
+++ b/drivers/memory/tegra/Makefile
@@ -1,6 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
tegra-mc-y := mc.o
+tegra-mc-$(CONFIG_ARCH_TEGRA_2x_SOC) += tegra20.o
tegra-mc-$(CONFIG_ARCH_TEGRA_3x_SOC) += tegra30.o
tegra-mc-$(CONFIG_ARCH_TEGRA_114_SOC) += tegra114.o
tegra-mc-$(CONFIG_ARCH_TEGRA_124_SOC) += tegra124.o
diff --git a/drivers/memory/tegra/mc.c b/drivers/memory/tegra/mc.c
index a4803ac192bb..bb93cc53554e 100644
--- a/drivers/memory/tegra/mc.c
+++ b/drivers/memory/tegra/mc.c
@@ -7,6 +7,7 @@
*/
#include <linux/clk.h>
+#include <linux/delay.h>
#include <linux/interrupt.h>
#include <linux/kernel.h>
#include <linux/module.h>
@@ -20,14 +21,6 @@
#include "mc.h"
#define MC_INTSTATUS 0x000
-#define MC_INT_DECERR_MTS (1 << 16)
-#define MC_INT_SECERR_SEC (1 << 13)
-#define MC_INT_DECERR_VPR (1 << 12)
-#define MC_INT_INVALID_APB_ASID_UPDATE (1 << 11)
-#define MC_INT_INVALID_SMMU_PAGE (1 << 10)
-#define MC_INT_ARBITRATION_EMEM (1 << 9)
-#define MC_INT_SECURITY_VIOLATION (1 << 8)
-#define MC_INT_DECERR_EMEM (1 << 6)
#define MC_INTMASK 0x004
@@ -45,6 +38,9 @@
#define MC_ERR_ADR 0x0c
+#define MC_DECERR_EMEM_OTHERS_STATUS 0x58
+#define MC_SECURITY_VIOLATION_STATUS 0x74
+
#define MC_EMEM_ARB_CFG 0x90
#define MC_EMEM_ARB_CFG_CYCLES_PER_UPDATE(x) (((x) & 0x1ff) << 0)
#define MC_EMEM_ARB_CFG_CYCLES_PER_UPDATE_MASK 0x1ff
@@ -54,6 +50,9 @@
#define MC_EMEM_ADR_CFG_EMEM_NUMDEV BIT(0)
static const struct of_device_id tegra_mc_of_match[] = {
+#ifdef CONFIG_ARCH_TEGRA_2x_SOC
+ { .compatible = "nvidia,tegra20-mc", .data = &tegra20_mc_soc },
+#endif
#ifdef CONFIG_ARCH_TEGRA_3x_SOC
{ .compatible = "nvidia,tegra30-mc", .data = &tegra30_mc_soc },
#endif
@@ -73,6 +72,207 @@ 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,
+ const struct tegra_mc_reset *rst)
+{
+ unsigned long flags;
+ u32 value;
+
+ spin_lock_irqsave(&mc->lock, flags);
+
+ value = mc_readl(mc, rst->control) | BIT(rst->bit);
+ mc_writel(mc, value, rst->control);
+
+ spin_unlock_irqrestore(&mc->lock, flags);
+
+ return 0;
+}
+
+static bool terga_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,
+ const struct tegra_mc_reset *rst)
+{
+ unsigned long flags;
+ u32 value;
+
+ spin_lock_irqsave(&mc->lock, flags);
+
+ value = mc_readl(mc, rst->control) & ~BIT(rst->bit);
+ mc_writel(mc, value, rst->control);
+
+ spin_unlock_irqrestore(&mc->lock, flags);
+
+ return 0;
+}
+
+static int terga_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,
+};
+
+static inline struct tegra_mc *reset_to_mc(struct reset_controller_dev *rcdev)
+{
+ return container_of(rcdev, struct tegra_mc, reset);
+}
+
+static const struct tegra_mc_reset *tegra_mc_reset_find(struct tegra_mc *mc,
+ unsigned long id)
+{
+ unsigned int i;
+
+ for (i = 0; i < mc->soc->num_resets; i++)
+ if (mc->soc->resets[i].id == id)
+ return &mc->soc->resets[i];
+
+ return NULL;
+}
+
+static int tegra_mc_hotreset_assert(struct reset_controller_dev *rcdev,
+ unsigned long id)
+{
+ struct tegra_mc *mc = reset_to_mc(rcdev);
+ const struct tegra_mc_reset_ops *rst_ops;
+ const struct tegra_mc_reset *rst;
+ int retries = 500;
+ int err;
+
+ rst = tegra_mc_reset_find(mc, id);
+ if (!rst)
+ return -ENODEV;
+
+ rst_ops = mc->soc->reset_ops;
+ if (!rst_ops)
+ return -ENODEV;
+
+ if (rst_ops->block_dma) {
+ /* block clients DMA requests */
+ err = rst_ops->block_dma(mc, rst);
+ if (err) {
+ dev_err(mc->dev, "Failed to block %s DMA: %d\n",
+ rst->name, err);
+ return err;
+ }
+ }
+
+ if (rst_ops->dma_idling) {
+ /* wait for completion of the outstanding DMA requests */
+ while (!rst_ops->dma_idling(mc, rst)) {
+ if (!retries--) {
+ dev_err(mc->dev, "Failed to flush %s DMA\n",
+ rst->name);
+ return -EBUSY;
+ }
+
+ usleep_range(10, 100);
+ }
+ }
+
+ if (rst_ops->hotreset_assert) {
+ /* clear clients DMA requests sitting before arbitration */
+ err = rst_ops->hotreset_assert(mc, rst);
+ if (err) {
+ dev_err(mc->dev, "Failed to hot reset %s: %d\n",
+ rst->name, err);
+ return err;
+ }
+ }
+
+ return 0;
+}
+
+static int tegra_mc_hotreset_deassert(struct reset_controller_dev *rcdev,
+ unsigned long id)
+{
+ struct tegra_mc *mc = reset_to_mc(rcdev);
+ const struct tegra_mc_reset_ops *rst_ops;
+ const struct tegra_mc_reset *rst;
+ int err;
+
+ rst = tegra_mc_reset_find(mc, id);
+ if (!rst)
+ return -ENODEV;
+
+ rst_ops = mc->soc->reset_ops;
+ if (!rst_ops)
+ return -ENODEV;
+
+ if (rst_ops->hotreset_deassert) {
+ /* take out client from hot reset */
+ err = rst_ops->hotreset_deassert(mc, rst);
+ if (err) {
+ dev_err(mc->dev, "Failed to deassert hot reset %s: %d\n",
+ rst->name, err);
+ return err;
+ }
+ }
+
+ if (rst_ops->unblock_dma) {
+ /* allow new DMA requests to proceed to arbitration */
+ err = rst_ops->unblock_dma(mc, rst);
+ if (err) {
+ dev_err(mc->dev, "Failed to unblock %s DMA : %d\n",
+ rst->name, err);
+ return err;
+ }
+ }
+
+ return 0;
+}
+
+static int tegra_mc_hotreset_status(struct reset_controller_dev *rcdev,
+ unsigned long id)
+{
+ struct tegra_mc *mc = reset_to_mc(rcdev);
+ const struct tegra_mc_reset_ops *rst_ops;
+ const struct tegra_mc_reset *rst;
+
+ rst = tegra_mc_reset_find(mc, id);
+ if (!rst)
+ return -ENODEV;
+
+ rst_ops = mc->soc->reset_ops;
+ if (!rst_ops)
+ return -ENODEV;
+
+ return rst_ops->reset_status(mc, rst);
+}
+
+static const struct reset_control_ops tegra_mc_reset_ops = {
+ .assert = tegra_mc_hotreset_assert,
+ .deassert = tegra_mc_hotreset_deassert,
+ .status = tegra_mc_hotreset_status,
+};
+
+static int tegra_mc_reset_setup(struct tegra_mc *mc)
+{
+ int err;
+
+ mc->reset.ops = &tegra_mc_reset_ops;
+ mc->reset.owner = THIS_MODULE;
+ mc->reset.of_node = mc->dev->of_node;
+ mc->reset.of_reset_n_cells = 1;
+ mc->reset.nr_resets = mc->soc->num_resets;
+
+ err = reset_controller_register(&mc->reset);
+ if (err < 0)
+ return err;
+
+ return 0;
+}
+
static int tegra_mc_setup_latency_allowance(struct tegra_mc *mc)
{
unsigned long long tick;
@@ -229,6 +429,7 @@ static int tegra_mc_setup_timings(struct tegra_mc *mc)
static const char *const status_names[32] = {
[ 1] = "External interrupt",
[ 6] = "EMEM address decode error",
+ [ 7] = "GART page fault",
[ 8] = "Security violation",
[ 9] = "EMEM arbitration error",
[10] = "Page fault",
@@ -248,12 +449,13 @@ static const char *const error_names[8] = {
static irqreturn_t tegra_mc_irq(int irq, void *data)
{
struct tegra_mc *mc = data;
- unsigned long status, mask;
+ unsigned long status;
unsigned int bit;
/* mask all interrupts to avoid flooding */
- status = mc_readl(mc, MC_INTSTATUS);
- mask = mc_readl(mc, MC_INTMASK);
+ status = mc_readl(mc, MC_INTSTATUS) & mc->soc->intmask;
+ if (!status)
+ return IRQ_NONE;
for_each_set_bit(bit, &status, 32) {
const char *error = status_names[bit] ?: "unknown";
@@ -341,12 +543,78 @@ static irqreturn_t tegra_mc_irq(int irq, void *data)
return IRQ_HANDLED;
}
+static __maybe_unused irqreturn_t tegra20_mc_irq(int irq, void *data)
+{
+ struct tegra_mc *mc = data;
+ unsigned long status;
+ unsigned int bit;
+
+ /* mask all interrupts to avoid flooding */
+ status = mc_readl(mc, MC_INTSTATUS) & mc->soc->intmask;
+ if (!status)
+ return IRQ_NONE;
+
+ for_each_set_bit(bit, &status, 32) {
+ const char *direction = "read", *secure = "";
+ const char *error = status_names[bit];
+ const char *client, *desc;
+ phys_addr_t addr;
+ u32 value, reg;
+ u8 id, type;
+
+ switch (BIT(bit)) {
+ case MC_INT_DECERR_EMEM:
+ reg = MC_DECERR_EMEM_OTHERS_STATUS;
+ value = mc_readl(mc, reg);
+
+ id = value & mc->soc->client_id_mask;
+ desc = error_names[2];
+
+ if (value & BIT(31))
+ direction = "write";
+ break;
+
+ case MC_INT_INVALID_GART_PAGE:
+ dev_err_ratelimited(mc->dev, "%s\n", error);
+ continue;
+
+ case MC_INT_SECURITY_VIOLATION:
+ reg = MC_SECURITY_VIOLATION_STATUS;
+ value = mc_readl(mc, reg);
+
+ id = value & mc->soc->client_id_mask;
+ type = (value & BIT(30)) ? 4 : 3;
+ desc = error_names[type];
+ secure = "secure ";
+
+ if (value & BIT(31))
+ direction = "write";
+ break;
+
+ default:
+ continue;
+ }
+
+ client = mc->soc->clients[id].name;
+ addr = mc_readl(mc, reg + sizeof(u32));
+
+ dev_err_ratelimited(mc->dev, "%s: %s%s @%pa: %s (%s)\n",
+ client, secure, direction, &addr, error,
+ desc);
+ }
+
+ /* clear interrupts */
+ mc_writel(mc, status, MC_INTSTATUS);
+
+ return IRQ_HANDLED;
+}
+
static int tegra_mc_probe(struct platform_device *pdev)
{
const struct of_device_id *match;
struct resource *res;
struct tegra_mc *mc;
- u32 value;
+ void *isr;
int err;
match = of_match_node(tegra_mc_of_match, pdev->dev.of_node);
@@ -358,6 +626,7 @@ static int tegra_mc_probe(struct platform_device *pdev)
return -ENOMEM;
platform_set_drvdata(pdev, mc);
+ spin_lock_init(&mc->lock);
mc->soc = match->data;
mc->dev = &pdev->dev;
@@ -369,18 +638,32 @@ static int tegra_mc_probe(struct platform_device *pdev)
if (IS_ERR(mc->regs))
return PTR_ERR(mc->regs);
- mc->clk = devm_clk_get(&pdev->dev, "mc");
- if (IS_ERR(mc->clk)) {
- dev_err(&pdev->dev, "failed to get MC clock: %ld\n",
- PTR_ERR(mc->clk));
- return PTR_ERR(mc->clk);
- }
+#ifdef CONFIG_ARCH_TEGRA_2x_SOC
+ if (mc->soc == &tegra20_mc_soc) {
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
+ mc->regs2 = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(mc->regs2))
+ return PTR_ERR(mc->regs2);
- err = tegra_mc_setup_latency_allowance(mc);
- if (err < 0) {
- dev_err(&pdev->dev, "failed to setup latency allowance: %d\n",
- err);
- return err;
+ isr = tegra20_mc_irq;
+ } else
+#endif
+ {
+ mc->clk = devm_clk_get(&pdev->dev, "mc");
+ if (IS_ERR(mc->clk)) {
+ dev_err(&pdev->dev, "failed to get MC clock: %ld\n",
+ PTR_ERR(mc->clk));
+ return PTR_ERR(mc->clk);
+ }
+
+ err = tegra_mc_setup_latency_allowance(mc);
+ if (err < 0) {
+ dev_err(&pdev->dev, "failed to setup latency allowance: %d\n",
+ err);
+ return err;
+ }
+
+ isr = tegra_mc_irq;
}
err = tegra_mc_setup_timings(mc);
@@ -389,13 +672,11 @@ static int tegra_mc_probe(struct platform_device *pdev)
return err;
}
- if (IS_ENABLED(CONFIG_TEGRA_IOMMU_SMMU)) {
- mc->smmu = tegra_smmu_probe(&pdev->dev, mc->soc->smmu, mc);
- if (IS_ERR(mc->smmu)) {
- dev_err(&pdev->dev, "failed to probe SMMU: %ld\n",
- PTR_ERR(mc->smmu));
- return PTR_ERR(mc->smmu);
- }
+ err = tegra_mc_reset_setup(mc);
+ if (err < 0) {
+ dev_err(&pdev->dev, "failed to register reset controller: %d\n",
+ err);
+ return err;
}
mc->irq = platform_get_irq(pdev, 0);
@@ -404,7 +685,11 @@ static int tegra_mc_probe(struct platform_device *pdev)
return mc->irq;
}
- err = devm_request_irq(&pdev->dev, mc->irq, tegra_mc_irq, IRQF_SHARED,
+ WARN(!mc->soc->client_id_mask, "Missing client ID mask for this SoC\n");
+
+ mc_writel(mc, mc->soc->intmask, MC_INTMASK);
+
+ err = devm_request_irq(&pdev->dev, mc->irq, isr, IRQF_SHARED,
dev_name(&pdev->dev), mc);
if (err < 0) {
dev_err(&pdev->dev, "failed to request IRQ#%u: %d\n", mc->irq,
@@ -412,13 +697,14 @@ static int tegra_mc_probe(struct platform_device *pdev)
return err;
}
- WARN(!mc->soc->client_id_mask, "Missing client ID mask for this SoC\n");
-
- value = 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;
-
- mc_writel(mc, value, MC_INTMASK);
+ if (IS_ENABLED(CONFIG_TEGRA_IOMMU_SMMU)) {
+ mc->smmu = tegra_smmu_probe(&pdev->dev, mc->soc->smmu, mc);
+ if (IS_ERR(mc->smmu)) {
+ dev_err(&pdev->dev, "failed to probe SMMU: %ld\n",
+ PTR_ERR(mc->smmu));
+ return PTR_ERR(mc->smmu);
+ }
+ }
return 0;
}
diff --git a/drivers/memory/tegra/mc.h b/drivers/memory/tegra/mc.h
index ddb16676c3af..01065f12ebeb 100644
--- a/drivers/memory/tegra/mc.h
+++ b/drivers/memory/tegra/mc.h
@@ -14,17 +14,39 @@
#include <soc/tegra/mc.h>
+#define MC_INT_DECERR_MTS (1 << 16)
+#define MC_INT_SECERR_SEC (1 << 13)
+#define MC_INT_DECERR_VPR (1 << 12)
+#define MC_INT_INVALID_APB_ASID_UPDATE (1 << 11)
+#define MC_INT_INVALID_SMMU_PAGE (1 << 10)
+#define MC_INT_ARBITRATION_EMEM (1 << 9)
+#define MC_INT_SECURITY_VIOLATION (1 << 8)
+#define MC_INT_INVALID_GART_PAGE (1 << 7)
+#define MC_INT_DECERR_EMEM (1 << 6)
+
static inline u32 mc_readl(struct tegra_mc *mc, unsigned long offset)
{
+ if (mc->regs2 && offset >= 0x24)
+ return readl(mc->regs2 + offset - 0x3c);
+
return readl(mc->regs + offset);
}
static inline void mc_writel(struct tegra_mc *mc, u32 value,
unsigned long offset)
{
+ if (mc->regs2 && offset >= 0x24)
+ return writel(value, mc->regs2 + offset - 0x3c);
+
writel(value, mc->regs + offset);
}
+extern const struct tegra_mc_reset_ops terga_mc_reset_ops_common;
+
+#ifdef CONFIG_ARCH_TEGRA_2x_SOC
+extern const struct tegra_mc_soc tegra20_mc_soc;
+#endif
+
#ifdef CONFIG_ARCH_TEGRA_3x_SOC
extern const struct tegra_mc_soc tegra30_mc_soc;
#endif
diff --git a/drivers/memory/tegra/tegra114.c b/drivers/memory/tegra/tegra114.c
index b20e6e3e208e..6560a5101322 100644
--- a/drivers/memory/tegra/tegra114.c
+++ b/drivers/memory/tegra/tegra114.c
@@ -938,6 +938,34 @@ static const struct tegra_smmu_soc tegra114_smmu_soc = {
.num_asids = 4,
};
+#define TEGRA114_MC_RESET(_name, _control, _status, _bit) \
+ { \
+ .name = #_name, \
+ .id = TEGRA114_MC_RESET_##_name, \
+ .control = _control, \
+ .status = _status, \
+ .bit = _bit, \
+ }
+
+static const struct tegra_mc_reset tegra114_mc_resets[] = {
+ TEGRA114_MC_RESET(AVPC, 0x200, 0x204, 1),
+ TEGRA114_MC_RESET(DC, 0x200, 0x204, 2),
+ TEGRA114_MC_RESET(DCB, 0x200, 0x204, 3),
+ TEGRA114_MC_RESET(EPP, 0x200, 0x204, 4),
+ TEGRA114_MC_RESET(2D, 0x200, 0x204, 5),
+ TEGRA114_MC_RESET(HC, 0x200, 0x204, 6),
+ TEGRA114_MC_RESET(HDA, 0x200, 0x204, 7),
+ TEGRA114_MC_RESET(ISP, 0x200, 0x204, 8),
+ TEGRA114_MC_RESET(MPCORE, 0x200, 0x204, 9),
+ TEGRA114_MC_RESET(MPCORELP, 0x200, 0x204, 10),
+ TEGRA114_MC_RESET(MPE, 0x200, 0x204, 11),
+ TEGRA114_MC_RESET(3D, 0x200, 0x204, 12),
+ TEGRA114_MC_RESET(3D2, 0x200, 0x204, 13),
+ TEGRA114_MC_RESET(PPCS, 0x200, 0x204, 14),
+ TEGRA114_MC_RESET(VDE, 0x200, 0x204, 16),
+ TEGRA114_MC_RESET(VI, 0x200, 0x204, 17),
+};
+
const struct tegra_mc_soc tegra114_mc_soc = {
.clients = tegra114_mc_clients,
.num_clients = ARRAY_SIZE(tegra114_mc_clients),
@@ -945,4 +973,9 @@ const struct tegra_mc_soc tegra114_mc_soc = {
.atom_size = 32,
.client_id_mask = 0x7f,
.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,
+ .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 8b6360eabb8a..b561a1fe7f46 100644
--- a/drivers/memory/tegra/tegra124.c
+++ b/drivers/memory/tegra/tegra124.c
@@ -1012,6 +1012,42 @@ static const struct tegra_smmu_group_soc tegra124_groups[] = {
},
};
+#define TEGRA124_MC_RESET(_name, _control, _status, _bit) \
+ { \
+ .name = #_name, \
+ .id = TEGRA124_MC_RESET_##_name, \
+ .control = _control, \
+ .status = _status, \
+ .bit = _bit, \
+ }
+
+static const struct tegra_mc_reset tegra124_mc_resets[] = {
+ TEGRA124_MC_RESET(AFI, 0x200, 0x204, 0),
+ TEGRA124_MC_RESET(AVPC, 0x200, 0x204, 1),
+ TEGRA124_MC_RESET(DC, 0x200, 0x204, 2),
+ TEGRA124_MC_RESET(DCB, 0x200, 0x204, 3),
+ TEGRA124_MC_RESET(HC, 0x200, 0x204, 6),
+ TEGRA124_MC_RESET(HDA, 0x200, 0x204, 7),
+ TEGRA124_MC_RESET(ISP2, 0x200, 0x204, 8),
+ TEGRA124_MC_RESET(MPCORE, 0x200, 0x204, 9),
+ TEGRA124_MC_RESET(MPCORELP, 0x200, 0x204, 10),
+ TEGRA124_MC_RESET(MSENC, 0x200, 0x204, 11),
+ TEGRA124_MC_RESET(PPCS, 0x200, 0x204, 14),
+ TEGRA124_MC_RESET(SATA, 0x200, 0x204, 15),
+ TEGRA124_MC_RESET(VDE, 0x200, 0x204, 16),
+ TEGRA124_MC_RESET(VI, 0x200, 0x204, 17),
+ TEGRA124_MC_RESET(VIC, 0x200, 0x204, 18),
+ TEGRA124_MC_RESET(XUSB_HOST, 0x200, 0x204, 19),
+ TEGRA124_MC_RESET(XUSB_DEV, 0x200, 0x204, 20),
+ TEGRA124_MC_RESET(TSEC, 0x200, 0x204, 21),
+ TEGRA124_MC_RESET(SDMMC1, 0x200, 0x204, 22),
+ TEGRA124_MC_RESET(SDMMC2, 0x200, 0x204, 23),
+ TEGRA124_MC_RESET(SDMMC3, 0x200, 0x204, 25),
+ TEGRA124_MC_RESET(SDMMC4, 0x970, 0x974, 0),
+ TEGRA124_MC_RESET(ISP2B, 0x970, 0x974, 1),
+ TEGRA124_MC_RESET(GPU, 0x970, 0x974, 2),
+};
+
#ifdef CONFIG_ARCH_TEGRA_124_SOC
static const struct tegra_smmu_soc tegra124_smmu_soc = {
.clients = tegra124_mc_clients,
@@ -1035,6 +1071,12 @@ const struct tegra_mc_soc tegra124_mc_soc = {
.smmu = &tegra124_smmu_soc,
.emem_regs = tegra124_mc_emem_regs,
.num_emem_regs = ARRAY_SIZE(tegra124_mc_emem_regs),
+ .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,
+ .resets = tegra124_mc_resets,
+ .num_resets = ARRAY_SIZE(tegra124_mc_resets),
};
#endif /* CONFIG_ARCH_TEGRA_124_SOC */
@@ -1059,5 +1101,11 @@ const struct tegra_mc_soc tegra132_mc_soc = {
.atom_size = 32,
.client_id_mask = 0x7f,
.smmu = &tegra132_smmu_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,
+ .resets = tegra124_mc_resets,
+ .num_resets = ARRAY_SIZE(tegra124_mc_resets),
};
#endif /* CONFIG_ARCH_TEGRA_132_SOC */
diff --git a/drivers/memory/tegra/tegra20.c b/drivers/memory/tegra/tegra20.c
new file mode 100644
index 000000000000..7119e532471c
--- /dev/null
+++ b/drivers/memory/tegra/tegra20.c
@@ -0,0 +1,296 @@
+/*
+ * Copyright (C) 2012 NVIDIA CORPORATION. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <dt-bindings/memory/tegra20-mc.h>
+
+#include "mc.h"
+
+static const struct tegra_mc_client tegra20_mc_clients[] = {
+ {
+ .id = 0x00,
+ .name = "display0a",
+ }, {
+ .id = 0x01,
+ .name = "display0ab",
+ }, {
+ .id = 0x02,
+ .name = "display0b",
+ }, {
+ .id = 0x03,
+ .name = "display0bb",
+ }, {
+ .id = 0x04,
+ .name = "display0c",
+ }, {
+ .id = 0x05,
+ .name = "display0cb",
+ }, {
+ .id = 0x06,
+ .name = "display1b",
+ }, {
+ .id = 0x07,
+ .name = "display1bb",
+ }, {
+ .id = 0x08,
+ .name = "eppup",
+ }, {
+ .id = 0x09,
+ .name = "g2pr",
+ }, {
+ .id = 0x0a,
+ .name = "g2sr",
+ }, {
+ .id = 0x0b,
+ .name = "mpeunifbr",
+ }, {
+ .id = 0x0c,
+ .name = "viruv",
+ }, {
+ .id = 0x0d,
+ .name = "avpcarm7r",
+ }, {
+ .id = 0x0e,
+ .name = "displayhc",
+ }, {
+ .id = 0x0f,
+ .name = "displayhcb",
+ }, {
+ .id = 0x10,
+ .name = "fdcdrd",
+ }, {
+ .id = 0x11,
+ .name = "g2dr",
+ }, {
+ .id = 0x12,
+ .name = "host1xdmar",
+ }, {
+ .id = 0x13,
+ .name = "host1xr",
+ }, {
+ .id = 0x14,
+ .name = "idxsrd",
+ }, {
+ .id = 0x15,
+ .name = "mpcorer",
+ }, {
+ .id = 0x16,
+ .name = "mpe_ipred",
+ }, {
+ .id = 0x17,
+ .name = "mpeamemrd",
+ }, {
+ .id = 0x18,
+ .name = "mpecsrd",
+ }, {
+ .id = 0x19,
+ .name = "ppcsahbdmar",
+ }, {
+ .id = 0x1a,
+ .name = "ppcsahbslvr",
+ }, {
+ .id = 0x1b,
+ .name = "texsrd",
+ }, {
+ .id = 0x1c,
+ .name = "vdebsevr",
+ }, {
+ .id = 0x1d,
+ .name = "vdember",
+ }, {
+ .id = 0x1e,
+ .name = "vdemcer",
+ }, {
+ .id = 0x1f,
+ .name = "vdetper",
+ }, {
+ .id = 0x20,
+ .name = "eppu",
+ }, {
+ .id = 0x21,
+ .name = "eppv",
+ }, {
+ .id = 0x22,
+ .name = "eppy",
+ }, {
+ .id = 0x23,
+ .name = "mpeunifbw",
+ }, {
+ .id = 0x24,
+ .name = "viwsb",
+ }, {
+ .id = 0x25,
+ .name = "viwu",
+ }, {
+ .id = 0x26,
+ .name = "viwv",
+ }, {
+ .id = 0x27,
+ .name = "viwy",
+ }, {
+ .id = 0x28,
+ .name = "g2dw",
+ }, {
+ .id = 0x29,
+ .name = "avpcarm7w",
+ }, {
+ .id = 0x2a,
+ .name = "fdcdwr",
+ }, {
+ .id = 0x2b,
+ .name = "host1xw",
+ }, {
+ .id = 0x2c,
+ .name = "ispw",
+ }, {
+ .id = 0x2d,
+ .name = "mpcorew",
+ }, {
+ .id = 0x2e,
+ .name = "mpecswr",
+ }, {
+ .id = 0x2f,
+ .name = "ppcsahbdmaw",
+ }, {
+ .id = 0x30,
+ .name = "ppcsahbslvw",
+ }, {
+ .id = 0x31,
+ .name = "vdebsevw",
+ }, {
+ .id = 0x32,
+ .name = "vdembew",
+ }, {
+ .id = 0x33,
+ .name = "vdetpmw",
+ },
+};
+
+#define TEGRA20_MC_RESET(_name, _control, _status, _reset, _bit) \
+ { \
+ .name = #_name, \
+ .id = TEGRA20_MC_RESET_##_name, \
+ .control = _control, \
+ .status = _status, \
+ .reset = _reset, \
+ .bit = _bit, \
+ }
+
+static const struct tegra_mc_reset tegra20_mc_resets[] = {
+ TEGRA20_MC_RESET(AVPC, 0x100, 0x140, 0x104, 0),
+ TEGRA20_MC_RESET(DC, 0x100, 0x144, 0x104, 1),
+ TEGRA20_MC_RESET(DCB, 0x100, 0x148, 0x104, 2),
+ TEGRA20_MC_RESET(EPP, 0x100, 0x14c, 0x104, 3),
+ TEGRA20_MC_RESET(2D, 0x100, 0x150, 0x104, 4),
+ TEGRA20_MC_RESET(HC, 0x100, 0x154, 0x104, 5),
+ TEGRA20_MC_RESET(ISP, 0x100, 0x158, 0x104, 6),
+ TEGRA20_MC_RESET(MPCORE, 0x100, 0x15c, 0x104, 7),
+ TEGRA20_MC_RESET(MPEA, 0x100, 0x160, 0x104, 8),
+ TEGRA20_MC_RESET(MPEB, 0x100, 0x164, 0x104, 9),
+ TEGRA20_MC_RESET(MPEC, 0x100, 0x168, 0x104, 10),
+ TEGRA20_MC_RESET(3D, 0x100, 0x16c, 0x104, 11),
+ TEGRA20_MC_RESET(PPCS, 0x100, 0x170, 0x104, 12),
+ TEGRA20_MC_RESET(VDE, 0x100, 0x174, 0x104, 13),
+ TEGRA20_MC_RESET(VI, 0x100, 0x178, 0x104, 14),
+};
+
+static int terga20_mc_hotreset_assert(struct tegra_mc *mc,
+ const struct tegra_mc_reset *rst)
+{
+ unsigned long flags;
+ u32 value;
+
+ spin_lock_irqsave(&mc->lock, flags);
+
+ value = mc_readl(mc, rst->reset);
+ mc_writel(mc, value & ~BIT(rst->bit), rst->reset);
+
+ spin_unlock_irqrestore(&mc->lock, flags);
+
+ return 0;
+}
+
+static int terga20_mc_hotreset_deassert(struct tegra_mc *mc,
+ const struct tegra_mc_reset *rst)
+{
+ unsigned long flags;
+ u32 value;
+
+ spin_lock_irqsave(&mc->lock, flags);
+
+ value = mc_readl(mc, rst->reset);
+ mc_writel(mc, value | BIT(rst->bit), rst->reset);
+
+ spin_unlock_irqrestore(&mc->lock, flags);
+
+ return 0;
+}
+
+static int terga20_mc_block_dma(struct tegra_mc *mc,
+ const struct tegra_mc_reset *rst)
+{
+ unsigned long flags;
+ u32 value;
+
+ spin_lock_irqsave(&mc->lock, flags);
+
+ value = mc_readl(mc, rst->control) & ~BIT(rst->bit);
+ mc_writel(mc, value, rst->control);
+
+ spin_unlock_irqrestore(&mc->lock, flags);
+
+ return 0;
+}
+
+static bool terga20_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,
+ 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,
+ const struct tegra_mc_reset *rst)
+{
+ unsigned long flags;
+ u32 value;
+
+ spin_lock_irqsave(&mc->lock, flags);
+
+ value = mc_readl(mc, rst->control) | BIT(rst->bit);
+ mc_writel(mc, value, rst->control);
+
+ spin_unlock_irqrestore(&mc->lock, flags);
+
+ 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,
+};
+
+const struct tegra_mc_soc tegra20_mc_soc = {
+ .clients = tegra20_mc_clients,
+ .num_clients = ARRAY_SIZE(tegra20_mc_clients),
+ .num_address_bits = 32,
+ .client_id_mask = 0x3f,
+ .intmask = MC_INT_SECURITY_VIOLATION | MC_INT_INVALID_GART_PAGE |
+ MC_INT_DECERR_EMEM,
+ .reset_ops = &terga20_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 d398bcd3fc57..d00a77160407 100644
--- a/drivers/memory/tegra/tegra210.c
+++ b/drivers/memory/tegra/tegra210.c
@@ -6,11 +6,6 @@
* published by the Free Software Foundation.
*/
-#include <linux/of.h>
-#include <linux/mm.h>
-
-#include <asm/cacheflush.h>
-
#include <dt-bindings/memory/tegra210-mc.h>
#include "mc.h"
@@ -1085,6 +1080,48 @@ static const struct tegra_smmu_soc tegra210_smmu_soc = {
.num_asids = 128,
};
+#define TEGRA210_MC_RESET(_name, _control, _status, _bit) \
+ { \
+ .name = #_name, \
+ .id = TEGRA210_MC_RESET_##_name, \
+ .control = _control, \
+ .status = _status, \
+ .bit = _bit, \
+ }
+
+static const struct tegra_mc_reset tegra210_mc_resets[] = {
+ TEGRA210_MC_RESET(AFI, 0x200, 0x204, 0),
+ TEGRA210_MC_RESET(AVPC, 0x200, 0x204, 1),
+ TEGRA210_MC_RESET(DC, 0x200, 0x204, 2),
+ TEGRA210_MC_RESET(DCB, 0x200, 0x204, 3),
+ TEGRA210_MC_RESET(HC, 0x200, 0x204, 6),
+ TEGRA210_MC_RESET(HDA, 0x200, 0x204, 7),
+ TEGRA210_MC_RESET(ISP2, 0x200, 0x204, 8),
+ TEGRA210_MC_RESET(MPCORE, 0x200, 0x204, 9),
+ TEGRA210_MC_RESET(NVENC, 0x200, 0x204, 11),
+ TEGRA210_MC_RESET(PPCS, 0x200, 0x204, 14),
+ TEGRA210_MC_RESET(SATA, 0x200, 0x204, 15),
+ TEGRA210_MC_RESET(VI, 0x200, 0x204, 17),
+ TEGRA210_MC_RESET(VIC, 0x200, 0x204, 18),
+ TEGRA210_MC_RESET(XUSB_HOST, 0x200, 0x204, 19),
+ TEGRA210_MC_RESET(XUSB_DEV, 0x200, 0x204, 20),
+ TEGRA210_MC_RESET(A9AVP, 0x200, 0x204, 21),
+ TEGRA210_MC_RESET(TSEC, 0x200, 0x204, 22),
+ TEGRA210_MC_RESET(SDMMC1, 0x200, 0x204, 29),
+ TEGRA210_MC_RESET(SDMMC2, 0x200, 0x204, 30),
+ TEGRA210_MC_RESET(SDMMC3, 0x200, 0x204, 31),
+ TEGRA210_MC_RESET(SDMMC4, 0x970, 0x974, 0),
+ TEGRA210_MC_RESET(ISP2B, 0x970, 0x974, 1),
+ TEGRA210_MC_RESET(GPU, 0x970, 0x974, 2),
+ TEGRA210_MC_RESET(NVDEC, 0x970, 0x974, 5),
+ TEGRA210_MC_RESET(APE, 0x970, 0x974, 6),
+ TEGRA210_MC_RESET(SE, 0x970, 0x974, 7),
+ TEGRA210_MC_RESET(NVJPG, 0x970, 0x974, 8),
+ TEGRA210_MC_RESET(AXIAP, 0x970, 0x974, 11),
+ TEGRA210_MC_RESET(ETR, 0x970, 0x974, 12),
+ TEGRA210_MC_RESET(TSECB, 0x970, 0x974, 13),
+};
+
const struct tegra_mc_soc tegra210_mc_soc = {
.clients = tegra210_mc_clients,
.num_clients = ARRAY_SIZE(tegra210_mc_clients),
@@ -1092,4 +1129,10 @@ const struct tegra_mc_soc tegra210_mc_soc = {
.atom_size = 64,
.client_id_mask = 0xff,
.smmu = &tegra210_smmu_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,
+ .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 d756c837f23e..bee5314ed404 100644
--- a/drivers/memory/tegra/tegra30.c
+++ b/drivers/memory/tegra/tegra30.c
@@ -960,6 +960,36 @@ static const struct tegra_smmu_soc tegra30_smmu_soc = {
.num_asids = 4,
};
+#define TEGRA30_MC_RESET(_name, _control, _status, _bit) \
+ { \
+ .name = #_name, \
+ .id = TEGRA30_MC_RESET_##_name, \
+ .control = _control, \
+ .status = _status, \
+ .bit = _bit, \
+ }
+
+static const struct tegra_mc_reset tegra30_mc_resets[] = {
+ TEGRA30_MC_RESET(AFI, 0x200, 0x204, 0),
+ TEGRA30_MC_RESET(AVPC, 0x200, 0x204, 1),
+ TEGRA30_MC_RESET(DC, 0x200, 0x204, 2),
+ TEGRA30_MC_RESET(DCB, 0x200, 0x204, 3),
+ TEGRA30_MC_RESET(EPP, 0x200, 0x204, 4),
+ TEGRA30_MC_RESET(2D, 0x200, 0x204, 5),
+ TEGRA30_MC_RESET(HC, 0x200, 0x204, 6),
+ TEGRA30_MC_RESET(HDA, 0x200, 0x204, 7),
+ TEGRA30_MC_RESET(ISP, 0x200, 0x204, 8),
+ TEGRA30_MC_RESET(MPCORE, 0x200, 0x204, 9),
+ TEGRA30_MC_RESET(MPCORELP, 0x200, 0x204, 10),
+ TEGRA30_MC_RESET(MPE, 0x200, 0x204, 11),
+ TEGRA30_MC_RESET(3D, 0x200, 0x204, 12),
+ TEGRA30_MC_RESET(3D2, 0x200, 0x204, 13),
+ TEGRA30_MC_RESET(PPCS, 0x200, 0x204, 14),
+ TEGRA30_MC_RESET(SATA, 0x200, 0x204, 15),
+ TEGRA30_MC_RESET(VDE, 0x200, 0x204, 16),
+ TEGRA30_MC_RESET(VI, 0x200, 0x204, 17),
+};
+
const struct tegra_mc_soc tegra30_mc_soc = {
.clients = tegra30_mc_clients,
.num_clients = ARRAY_SIZE(tegra30_mc_clients),
@@ -967,4 +997,9 @@ const struct tegra_mc_soc tegra30_mc_soc = {
.atom_size = 16,
.client_id_mask = 0x7f,
.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,
+ .resets = tegra30_mc_resets,
+ .num_resets = ARRAY_SIZE(tegra30_mc_resets),
};
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-23 20:15:04 +0300