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-rw-r--r--drivers/memory/Kconfig2
-rw-r--r--drivers/memory/brcmstb_dpfe.c10
-rw-r--r--drivers/memory/da8xx-ddrctl.c3
-rw-r--r--drivers/memory/emif.c15
-rw-r--r--drivers/memory/fsl-corenet-cf.c9
-rw-r--r--drivers/memory/omap-gpmc.c43
-rw-r--r--drivers/memory/renesas-rpc-if.c31
-rw-r--r--drivers/memory/samsung/exynos5422-dmc.c5
-rw-r--r--drivers/memory/tegra/Makefile2
-rw-r--r--drivers/memory/tegra/mc.c141
-rw-r--r--drivers/memory/tegra/mc.h50
-rw-r--r--drivers/memory/tegra/tegra186-emc.c3
-rw-r--r--drivers/memory/tegra/tegra186.c39
-rw-r--r--drivers/memory/tegra/tegra194.c9
-rw-r--r--drivers/memory/tegra/tegra234.c110
-rw-r--r--drivers/memory/ti-aemif.c4
-rw-r--r--drivers/memory/ti-emif-pm.c6
17 files changed, 379 insertions, 103 deletions
diff --git a/drivers/memory/Kconfig b/drivers/memory/Kconfig
index 30bff6cb1b8d..b7800b37af78 100644
--- a/drivers/memory/Kconfig
+++ b/drivers/memory/Kconfig
@@ -103,7 +103,7 @@ config TI_EMIF
temperature changes
config OMAP_GPMC
- bool "Texas Instruments OMAP SoC GPMC driver" if COMPILE_TEST
+ tristate "Texas Instruments OMAP SoC GPMC driver"
depends on OF_ADDRESS
select GPIOLIB
help
diff --git a/drivers/memory/brcmstb_dpfe.c b/drivers/memory/brcmstb_dpfe.c
index 14412002775d..76c82e9c8fce 100644
--- a/drivers/memory/brcmstb_dpfe.c
+++ b/drivers/memory/brcmstb_dpfe.c
@@ -857,7 +857,6 @@ static int brcmstb_dpfe_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct brcmstb_dpfe_priv *priv;
- struct resource *res;
int ret;
priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
@@ -869,22 +868,19 @@ static int brcmstb_dpfe_probe(struct platform_device *pdev)
mutex_init(&priv->lock);
platform_set_drvdata(pdev, priv);
- res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "dpfe-cpu");
- priv->regs = devm_ioremap_resource(dev, res);
+ priv->regs = devm_platform_ioremap_resource_byname(pdev, "dpfe-cpu");
if (IS_ERR(priv->regs)) {
dev_err(dev, "couldn't map DCPU registers\n");
return -ENODEV;
}
- res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "dpfe-dmem");
- priv->dmem = devm_ioremap_resource(dev, res);
+ priv->dmem = devm_platform_ioremap_resource_byname(pdev, "dpfe-dmem");
if (IS_ERR(priv->dmem)) {
dev_err(dev, "Couldn't map DCPU data memory\n");
return -ENOENT;
}
- res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "dpfe-imem");
- priv->imem = devm_ioremap_resource(dev, res);
+ priv->imem = devm_platform_ioremap_resource_byname(pdev, "dpfe-imem");
if (IS_ERR(priv->imem)) {
dev_err(dev, "Couldn't map DCPU instruction memory\n");
return -ENOENT;
diff --git a/drivers/memory/da8xx-ddrctl.c b/drivers/memory/da8xx-ddrctl.c
index 872addd0ec60..b32005bf269c 100644
--- a/drivers/memory/da8xx-ddrctl.c
+++ b/drivers/memory/da8xx-ddrctl.c
@@ -115,8 +115,7 @@ static int da8xx_ddrctl_probe(struct platform_device *pdev)
return -EINVAL;
}
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- ddrctl = devm_ioremap_resource(dev, res);
+ ddrctl = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
if (IS_ERR(ddrctl)) {
dev_err(dev, "unable to map memory controller registers\n");
return PTR_ERR(ddrctl);
diff --git a/drivers/memory/emif.c b/drivers/memory/emif.c
index 99d2df34e584..f305643209f0 100644
--- a/drivers/memory/emif.c
+++ b/drivers/memory/emif.c
@@ -1025,10 +1025,8 @@ static struct emif_data *__init_or_module get_device_details(
temp = devm_kzalloc(dev, sizeof(*pd), GFP_KERNEL);
dev_info = devm_kzalloc(dev, sizeof(*dev_info), GFP_KERNEL);
- if (!emif || !temp || !dev_info) {
- dev_err(dev, "%s:%d: allocation error\n", __func__, __LINE__);
+ if (!emif || !temp || !dev_info)
goto error;
- }
memcpy(temp, pd, sizeof(*pd));
pd = temp;
@@ -1067,9 +1065,6 @@ static struct emif_data *__init_or_module get_device_details(
temp = devm_kzalloc(dev, sizeof(*cust_cfgs), GFP_KERNEL);
if (temp)
memcpy(temp, cust_cfgs, sizeof(*cust_cfgs));
- else
- dev_warn(dev, "%s:%d: allocation error\n", __func__,
- __LINE__);
pd->custom_configs = temp;
}
@@ -1084,8 +1079,6 @@ static struct emif_data *__init_or_module get_device_details(
memcpy(temp, pd->timings, size);
pd->timings = temp;
} else {
- dev_warn(dev, "%s:%d: allocation error\n", __func__,
- __LINE__);
get_default_timings(emif);
}
} else {
@@ -1098,8 +1091,6 @@ static struct emif_data *__init_or_module get_device_details(
memcpy(temp, pd->min_tck, sizeof(*pd->min_tck));
pd->min_tck = temp;
} else {
- dev_warn(dev, "%s:%d: allocation error\n", __func__,
- __LINE__);
pd->min_tck = &lpddr2_jedec_min_tck;
}
} else {
@@ -1116,7 +1107,6 @@ error:
static int __init_or_module emif_probe(struct platform_device *pdev)
{
struct emif_data *emif;
- struct resource *res;
int irq, ret;
if (pdev->dev.of_node)
@@ -1135,8 +1125,7 @@ static int __init_or_module emif_probe(struct platform_device *pdev)
emif->dev = &pdev->dev;
platform_set_drvdata(pdev, emif);
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- emif->base = devm_ioremap_resource(emif->dev, res);
+ emif->base = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(emif->base))
goto error;
diff --git a/drivers/memory/fsl-corenet-cf.c b/drivers/memory/fsl-corenet-cf.c
index f8ea592c9cb5..7fc9f57ae278 100644
--- a/drivers/memory/fsl-corenet-cf.c
+++ b/drivers/memory/fsl-corenet-cf.c
@@ -172,7 +172,6 @@ out:
static int ccf_probe(struct platform_device *pdev)
{
struct ccf_private *ccf;
- struct resource *r;
const struct of_device_id *match;
u32 errinten;
int ret, irq;
@@ -185,13 +184,7 @@ static int ccf_probe(struct platform_device *pdev)
if (!ccf)
return -ENOMEM;
- r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!r) {
- dev_err(&pdev->dev, "%s: no mem resource\n", __func__);
- return -ENXIO;
- }
-
- ccf->regs = devm_ioremap_resource(&pdev->dev, r);
+ ccf->regs = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(ccf->regs))
return PTR_ERR(ccf->regs);
diff --git a/drivers/memory/omap-gpmc.c b/drivers/memory/omap-gpmc.c
index ed11887c1b7c..2351f2708da2 100644
--- a/drivers/memory/omap-gpmc.c
+++ b/drivers/memory/omap-gpmc.c
@@ -12,6 +12,7 @@
#include <linux/cpu_pm.h>
#include <linux/irq.h>
#include <linux/kernel.h>
+#include <linux/module.h>
#include <linux/init.h>
#include <linux/err.h>
#include <linux/clk.h>
@@ -1889,16 +1890,6 @@ int gpmc_cs_program_settings(int cs, struct gpmc_settings *p)
}
#ifdef CONFIG_OF
-static const struct of_device_id gpmc_dt_ids[] = {
- { .compatible = "ti,omap2420-gpmc" },
- { .compatible = "ti,omap2430-gpmc" },
- { .compatible = "ti,omap3430-gpmc" }, /* omap3430 & omap3630 */
- { .compatible = "ti,omap4430-gpmc" }, /* omap4430 & omap4460 & omap543x */
- { .compatible = "ti,am3352-gpmc" }, /* am335x devices */
- { .compatible = "ti,am64-gpmc" },
- { }
-};
-
static void gpmc_cs_set_name(int cs, const char *name)
{
struct gpmc_cs_data *gpmc = &gpmc_cs[cs];
@@ -2257,11 +2248,9 @@ no_timings:
if (!of_platform_device_create(child, NULL, &pdev->dev))
goto err_child_fail;
- /* is child a common bus? */
- if (of_match_node(of_default_bus_match_table, child))
- /* create children and other common bus children */
- if (of_platform_default_populate(child, NULL, &pdev->dev))
- goto err_child_fail;
+ /* create children and other common bus children */
+ if (of_platform_default_populate(child, NULL, &pdev->dev))
+ goto err_child_fail;
return 0;
@@ -2278,6 +2267,8 @@ err:
return ret;
}
+static const struct of_device_id gpmc_dt_ids[];
+
static int gpmc_probe_dt(struct platform_device *pdev)
{
int ret;
@@ -2644,6 +2635,19 @@ static int gpmc_resume(struct device *dev)
static SIMPLE_DEV_PM_OPS(gpmc_pm_ops, gpmc_suspend, gpmc_resume);
+#ifdef CONFIG_OF
+static const struct of_device_id gpmc_dt_ids[] = {
+ { .compatible = "ti,omap2420-gpmc" },
+ { .compatible = "ti,omap2430-gpmc" },
+ { .compatible = "ti,omap3430-gpmc" }, /* omap3430 & omap3630 */
+ { .compatible = "ti,omap4430-gpmc" }, /* omap4430 & omap4460 & omap543x */
+ { .compatible = "ti,am3352-gpmc" }, /* am335x devices */
+ { .compatible = "ti,am64-gpmc" },
+ { }
+};
+MODULE_DEVICE_TABLE(of, gpmc_dt_ids);
+#endif
+
static struct platform_driver gpmc_driver = {
.probe = gpmc_probe,
.remove = gpmc_remove,
@@ -2654,8 +2658,7 @@ static struct platform_driver gpmc_driver = {
},
};
-static __init int gpmc_init(void)
-{
- return platform_driver_register(&gpmc_driver);
-}
-postcore_initcall(gpmc_init);
+module_platform_driver(gpmc_driver);
+
+MODULE_DESCRIPTION("Texas Instruments GPMC driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/memory/renesas-rpc-if.c b/drivers/memory/renesas-rpc-if.c
index 019a0822bde0..4316988d791a 100644
--- a/drivers/memory/renesas-rpc-if.c
+++ b/drivers/memory/renesas-rpc-if.c
@@ -259,8 +259,7 @@ int rpcif_sw_init(struct rpcif *rpc, struct device *dev)
rpc->dev = dev;
- res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "regs");
- rpc->base = devm_ioremap_resource(&pdev->dev, res);
+ rpc->base = devm_platform_ioremap_resource_byname(pdev, "regs");
if (IS_ERR(rpc->base))
return PTR_ERR(rpc->base);
@@ -488,7 +487,7 @@ int rpcif_manual_xfer(struct rpcif *rpc)
case RPCIF_DATA_OUT:
while (pos < rpc->xferlen) {
u32 bytes_left = rpc->xferlen - pos;
- u32 nbytes, data[2];
+ u32 nbytes, data[2], *p = data;
smcr = rpc->smcr | RPCIF_SMCR_SPIE;
@@ -502,15 +501,9 @@ int rpcif_manual_xfer(struct rpcif *rpc)
rpc->xfer_size = nbytes;
memcpy(data, rpc->buffer + pos, nbytes);
- if (nbytes == 8) {
- regmap_write(rpc->regmap, RPCIF_SMWDR1,
- data[0]);
- regmap_write(rpc->regmap, RPCIF_SMWDR0,
- data[1]);
- } else {
- regmap_write(rpc->regmap, RPCIF_SMWDR0,
- data[0]);
- }
+ if (nbytes == 8)
+ regmap_write(rpc->regmap, RPCIF_SMWDR1, *p++);
+ regmap_write(rpc->regmap, RPCIF_SMWDR0, *p);
regmap_write(rpc->regmap, RPCIF_SMCR, smcr);
ret = wait_msg_xfer_end(rpc);
@@ -552,7 +545,7 @@ int rpcif_manual_xfer(struct rpcif *rpc)
}
while (pos < rpc->xferlen) {
u32 bytes_left = rpc->xferlen - pos;
- u32 nbytes, data[2];
+ u32 nbytes, data[2], *p = data;
/* nbytes may only be 1, 2, 4, or 8 */
nbytes = bytes_left >= max ? max : (1 << ilog2(bytes_left));
@@ -569,15 +562,9 @@ int rpcif_manual_xfer(struct rpcif *rpc)
if (ret)
goto err_out;
- if (nbytes == 8) {
- regmap_read(rpc->regmap, RPCIF_SMRDR1,
- &data[0]);
- regmap_read(rpc->regmap, RPCIF_SMRDR0,
- &data[1]);
- } else {
- regmap_read(rpc->regmap, RPCIF_SMRDR0,
- &data[0]);
- }
+ if (nbytes == 8)
+ regmap_read(rpc->regmap, RPCIF_SMRDR1, p++);
+ regmap_read(rpc->regmap, RPCIF_SMRDR0, p);
memcpy(rpc->buffer + pos, data, nbytes);
pos += nbytes;
diff --git a/drivers/memory/samsung/exynos5422-dmc.c b/drivers/memory/samsung/exynos5422-dmc.c
index 9c8318923ed0..4733e7898ffe 100644
--- a/drivers/memory/samsung/exynos5422-dmc.c
+++ b/drivers/memory/samsung/exynos5422-dmc.c
@@ -1322,7 +1322,6 @@ static int exynos5_dmc_init_clks(struct exynos5_dmc *dmc)
*/
static int exynos5_performance_counters_init(struct exynos5_dmc *dmc)
{
- int counters_size;
int ret, i;
dmc->num_counters = devfreq_event_get_edev_count(dmc->dev,
@@ -1332,8 +1331,8 @@ static int exynos5_performance_counters_init(struct exynos5_dmc *dmc)
return dmc->num_counters;
}
- counters_size = sizeof(struct devfreq_event_dev) * dmc->num_counters;
- dmc->counter = devm_kzalloc(dmc->dev, counters_size, GFP_KERNEL);
+ dmc->counter = devm_kcalloc(dmc->dev, dmc->num_counters,
+ sizeof(*dmc->counter), GFP_KERNEL);
if (!dmc->counter)
return -ENOMEM;
diff --git a/drivers/memory/tegra/Makefile b/drivers/memory/tegra/Makefile
index c992e87782d2..0750847dac3c 100644
--- a/drivers/memory/tegra/Makefile
+++ b/drivers/memory/tegra/Makefile
@@ -9,6 +9,7 @@ tegra-mc-$(CONFIG_ARCH_TEGRA_132_SOC) += tegra124.o
tegra-mc-$(CONFIG_ARCH_TEGRA_210_SOC) += tegra210.o
tegra-mc-$(CONFIG_ARCH_TEGRA_186_SOC) += tegra186.o
tegra-mc-$(CONFIG_ARCH_TEGRA_194_SOC) += tegra186.o tegra194.o
+tegra-mc-$(CONFIG_ARCH_TEGRA_234_SOC) += tegra186.o tegra234.o
obj-$(CONFIG_TEGRA_MC) += tegra-mc.o
@@ -19,5 +20,6 @@ obj-$(CONFIG_TEGRA210_EMC_TABLE) += tegra210-emc-table.o
obj-$(CONFIG_TEGRA210_EMC) += tegra210-emc.o
obj-$(CONFIG_ARCH_TEGRA_186_SOC) += tegra186-emc.o
obj-$(CONFIG_ARCH_TEGRA_194_SOC) += tegra186-emc.o
+obj-$(CONFIG_ARCH_TEGRA_234_SOC) += tegra186-emc.o
tegra210-emc-y := tegra210-emc-core.o tegra210-emc-cc-r21021.o
diff --git a/drivers/memory/tegra/mc.c b/drivers/memory/tegra/mc.c
index 44b4a4080920..2f7a58a9df1a 100644
--- a/drivers/memory/tegra/mc.c
+++ b/drivers/memory/tegra/mc.c
@@ -45,6 +45,9 @@ static const struct of_device_id tegra_mc_of_match[] = {
#ifdef CONFIG_ARCH_TEGRA_194_SOC
{ .compatible = "nvidia,tegra194-mc", .data = &tegra194_mc_soc },
#endif
+#ifdef CONFIG_ARCH_TEGRA_234_SOC
+ { .compatible = "nvidia,tegra234-mc", .data = &tegra234_mc_soc },
+#endif
{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, tegra_mc_of_match);
@@ -505,14 +508,54 @@ int tegra30_mc_probe(struct tegra_mc *mc)
return 0;
}
-static irqreturn_t tegra30_mc_handle_irq(int irq, void *data)
+const struct tegra_mc_ops tegra30_mc_ops = {
+ .probe = tegra30_mc_probe,
+ .handle_irq = tegra30_mc_handle_irq,
+};
+#endif
+
+static int mc_global_intstatus_to_channel(const struct tegra_mc *mc, u32 status,
+ unsigned int *mc_channel)
+{
+ if ((status & mc->soc->ch_intmask) == 0)
+ return -EINVAL;
+
+ *mc_channel = __ffs((status & mc->soc->ch_intmask) >>
+ mc->soc->global_intstatus_channel_shift);
+
+ return 0;
+}
+
+static u32 mc_channel_to_global_intstatus(const struct tegra_mc *mc,
+ unsigned int channel)
+{
+ return BIT(channel) << mc->soc->global_intstatus_channel_shift;
+}
+
+irqreturn_t tegra30_mc_handle_irq(int irq, void *data)
{
struct tegra_mc *mc = data;
+ unsigned int bit, channel;
unsigned long status;
- unsigned int bit;
- /* mask all interrupts to avoid flooding */
- status = mc_readl(mc, MC_INTSTATUS) & mc->soc->intmask;
+ if (mc->soc->num_channels) {
+ u32 global_status;
+ int err;
+
+ global_status = mc_ch_readl(mc, MC_BROADCAST_CHANNEL, MC_GLOBAL_INTSTATUS);
+ err = mc_global_intstatus_to_channel(mc, global_status, &channel);
+ if (err < 0) {
+ dev_err_ratelimited(mc->dev, "unknown interrupt channel 0x%08x\n",
+ global_status);
+ return IRQ_NONE;
+ }
+
+ /* mask all interrupts to avoid flooding */
+ status = mc_ch_readl(mc, channel, MC_INTSTATUS) & mc->soc->intmask;
+ } else {
+ status = mc_readl(mc, MC_INTSTATUS) & mc->soc->intmask;
+ }
+
if (!status)
return IRQ_NONE;
@@ -520,18 +563,70 @@ static irqreturn_t tegra30_mc_handle_irq(int irq, void *data)
const char *error = tegra_mc_status_names[bit] ?: "unknown";
const char *client = "unknown", *desc;
const char *direction, *secure;
+ u32 status_reg, addr_reg;
+ u32 intmask = BIT(bit);
phys_addr_t addr = 0;
+#ifdef CONFIG_PHYS_ADDR_T_64BIT
+ u32 addr_hi_reg = 0;
+#endif
unsigned int i;
char perm[7];
u8 id, type;
u32 value;
- value = mc_readl(mc, MC_ERR_STATUS);
+ switch (intmask) {
+ case MC_INT_DECERR_VPR:
+ status_reg = MC_ERR_VPR_STATUS;
+ addr_reg = MC_ERR_VPR_ADR;
+ break;
+
+ case MC_INT_SECERR_SEC:
+ status_reg = MC_ERR_SEC_STATUS;
+ addr_reg = MC_ERR_SEC_ADR;
+ break;
+
+ case MC_INT_DECERR_MTS:
+ status_reg = MC_ERR_MTS_STATUS;
+ addr_reg = MC_ERR_MTS_ADR;
+ break;
+
+ case MC_INT_DECERR_GENERALIZED_CARVEOUT:
+ status_reg = MC_ERR_GENERALIZED_CARVEOUT_STATUS;
+ addr_reg = MC_ERR_GENERALIZED_CARVEOUT_ADR;
+ break;
+
+ case MC_INT_DECERR_ROUTE_SANITY:
+ status_reg = MC_ERR_ROUTE_SANITY_STATUS;
+ addr_reg = MC_ERR_ROUTE_SANITY_ADR;
+ break;
+
+ default:
+ status_reg = MC_ERR_STATUS;
+ addr_reg = MC_ERR_ADR;
+
+#ifdef CONFIG_PHYS_ADDR_T_64BIT
+ if (mc->soc->has_addr_hi_reg)
+ addr_hi_reg = MC_ERR_ADR_HI;
+#endif
+ break;
+ }
+
+ if (mc->soc->num_channels)
+ value = mc_ch_readl(mc, channel, status_reg);
+ else
+ value = mc_readl(mc, status_reg);
#ifdef CONFIG_PHYS_ADDR_T_64BIT
if (mc->soc->num_address_bits > 32) {
- addr = ((value >> MC_ERR_STATUS_ADR_HI_SHIFT) &
- MC_ERR_STATUS_ADR_HI_MASK);
+ if (addr_hi_reg) {
+ if (mc->soc->num_channels)
+ addr = mc_ch_readl(mc, channel, addr_hi_reg);
+ else
+ addr = mc_readl(mc, addr_hi_reg);
+ } else {
+ addr = ((value >> MC_ERR_STATUS_ADR_HI_SHIFT) &
+ MC_ERR_STATUS_ADR_HI_MASK);
+ }
addr <<= 32;
}
#endif
@@ -588,7 +683,10 @@ static irqreturn_t tegra30_mc_handle_irq(int irq, void *data)
break;
}
- value = mc_readl(mc, MC_ERR_ADR);
+ if (mc->soc->num_channels)
+ value = mc_ch_readl(mc, channel, addr_reg);
+ else
+ value = mc_readl(mc, addr_reg);
addr |= value;
dev_err_ratelimited(mc->dev, "%s: %s%s @%pa: %s (%s%s)\n",
@@ -597,17 +695,18 @@ static irqreturn_t tegra30_mc_handle_irq(int irq, void *data)
}
/* clear interrupts */
- mc_writel(mc, status, MC_INTSTATUS);
+ if (mc->soc->num_channels) {
+ mc_ch_writel(mc, channel, status, MC_INTSTATUS);
+ mc_ch_writel(mc, MC_BROADCAST_CHANNEL,
+ mc_channel_to_global_intstatus(mc, channel),
+ MC_GLOBAL_INTSTATUS);
+ } else {
+ mc_writel(mc, status, MC_INTSTATUS);
+ }
return IRQ_HANDLED;
}
-const struct tegra_mc_ops tegra30_mc_ops = {
- .probe = tegra30_mc_probe,
- .handle_irq = tegra30_mc_handle_irq,
-};
-#endif
-
const char *const tegra_mc_status_names[32] = {
[ 1] = "External interrupt",
[ 6] = "EMEM address decode error",
@@ -619,6 +718,8 @@ const char *const tegra_mc_status_names[32] = {
[12] = "VPR violation",
[13] = "Secure carveout violation",
[16] = "MTS carveout violation",
+ [17] = "Generalized carveout violation",
+ [20] = "Route Sanity error",
};
const char *const tegra_mc_error_names[8] = {
@@ -716,7 +817,6 @@ del_provider:
static int tegra_mc_probe(struct platform_device *pdev)
{
- struct resource *res;
struct tegra_mc *mc;
u64 mask;
int err;
@@ -741,8 +841,7 @@ static int tegra_mc_probe(struct platform_device *pdev)
/* length of MC tick in nanoseconds */
mc->tick = 30;
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- mc->regs = devm_ioremap_resource(&pdev->dev, res);
+ mc->regs = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(mc->regs))
return PTR_ERR(mc->regs);
@@ -761,7 +860,11 @@ static int tegra_mc_probe(struct platform_device *pdev)
WARN(!mc->soc->client_id_mask, "missing client ID mask for this SoC\n");
- mc_writel(mc, mc->soc->intmask, MC_INTMASK);
+ if (mc->soc->num_channels)
+ mc_ch_writel(mc, MC_BROADCAST_CHANNEL, mc->soc->intmask,
+ MC_INTMASK);
+ else
+ mc_writel(mc, mc->soc->intmask, MC_INTMASK);
err = devm_request_irq(&pdev->dev, mc->irq, mc->soc->ops->handle_irq, 0,
dev_name(&pdev->dev), mc);
diff --git a/drivers/memory/tegra/mc.h b/drivers/memory/tegra/mc.h
index 1e492989c363..bc01586b6560 100644
--- a/drivers/memory/tegra/mc.h
+++ b/drivers/memory/tegra/mc.h
@@ -43,7 +43,21 @@
#define MC_EMEM_ARB_OVERRIDE 0xe8
#define MC_TIMING_CONTROL_DBG 0xf8
#define MC_TIMING_CONTROL 0xfc
-
+#define MC_ERR_VPR_STATUS 0x654
+#define MC_ERR_VPR_ADR 0x658
+#define MC_ERR_SEC_STATUS 0x67c
+#define MC_ERR_SEC_ADR 0x680
+#define MC_ERR_MTS_STATUS 0x9b0
+#define MC_ERR_MTS_ADR 0x9b4
+#define MC_ERR_ROUTE_SANITY_STATUS 0x9c0
+#define MC_ERR_ROUTE_SANITY_ADR 0x9c4
+#define MC_ERR_GENERALIZED_CARVEOUT_STATUS 0xc00
+#define MC_ERR_GENERALIZED_CARVEOUT_ADR 0xc04
+#define MC_GLOBAL_INTSTATUS 0xf24
+#define MC_ERR_ADR_HI 0x11fc
+
+#define MC_INT_DECERR_ROUTE_SANITY BIT(20)
+#define MC_INT_DECERR_GENERALIZED_CARVEOUT BIT(17)
#define MC_INT_DECERR_MTS BIT(16)
#define MC_INT_SECERR_SEC BIT(13)
#define MC_INT_DECERR_VPR BIT(12)
@@ -78,6 +92,8 @@
#define MC_TIMING_UPDATE BIT(0)
+#define MC_BROADCAST_CHANNEL ~0
+
static inline u32 tegra_mc_scale_percents(u64 val, unsigned int percents)
{
val = val * percents;
@@ -92,6 +108,30 @@ icc_provider_to_tegra_mc(struct icc_provider *provider)
return container_of(provider, struct tegra_mc, provider);
}
+static inline u32 mc_ch_readl(const struct tegra_mc *mc, int ch,
+ unsigned long offset)
+{
+ if (!mc->bcast_ch_regs)
+ return 0;
+
+ if (ch == MC_BROADCAST_CHANNEL)
+ return readl_relaxed(mc->bcast_ch_regs + offset);
+
+ return readl_relaxed(mc->ch_regs[ch] + offset);
+}
+
+static inline void mc_ch_writel(const struct tegra_mc *mc, int ch,
+ u32 value, unsigned long offset)
+{
+ if (!mc->bcast_ch_regs)
+ return;
+
+ if (ch == MC_BROADCAST_CHANNEL)
+ writel_relaxed(value, mc->bcast_ch_regs + offset);
+ else
+ writel_relaxed(value, mc->ch_regs[ch] + offset);
+}
+
static inline u32 mc_readl(const struct tegra_mc *mc, unsigned long offset)
{
return readl_relaxed(mc->regs + offset);
@@ -137,6 +177,10 @@ extern const struct tegra_mc_soc tegra186_mc_soc;
extern const struct tegra_mc_soc tegra194_mc_soc;
#endif
+#ifdef CONFIG_ARCH_TEGRA_234_SOC
+extern const struct tegra_mc_soc tegra234_mc_soc;
+#endif
+
#if defined(CONFIG_ARCH_TEGRA_3x_SOC) || \
defined(CONFIG_ARCH_TEGRA_114_SOC) || \
defined(CONFIG_ARCH_TEGRA_124_SOC) || \
@@ -147,10 +191,12 @@ extern const struct tegra_mc_ops tegra30_mc_ops;
#endif
#if defined(CONFIG_ARCH_TEGRA_186_SOC) || \
- defined(CONFIG_ARCH_TEGRA_194_SOC)
+ defined(CONFIG_ARCH_TEGRA_194_SOC) || \
+ defined(CONFIG_ARCH_TEGRA_234_SOC)
extern const struct tegra_mc_ops tegra186_mc_ops;
#endif
+irqreturn_t tegra30_mc_handle_irq(int irq, void *data);
extern const char * const tegra_mc_status_names[32];
extern const char * const tegra_mc_error_names[8];
diff --git a/drivers/memory/tegra/tegra186-emc.c b/drivers/memory/tegra/tegra186-emc.c
index 746c4ef2c0af..54b47ca33483 100644
--- a/drivers/memory/tegra/tegra186-emc.c
+++ b/drivers/memory/tegra/tegra186-emc.c
@@ -273,6 +273,9 @@ static const struct of_device_id tegra186_emc_of_match[] = {
#if defined(CONFIG_ARCH_TEGRA_194_SOC)
{ .compatible = "nvidia,tegra194-emc" },
#endif
+#if defined(CONFIG_ARCH_TEGRA_234_SOC)
+ { .compatible = "nvidia,tegra234-emc" },
+#endif
{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, tegra186_emc_of_match);
diff --git a/drivers/memory/tegra/tegra186.c b/drivers/memory/tegra/tegra186.c
index 3d153881abc1..62477e592bf5 100644
--- a/drivers/memory/tegra/tegra186.c
+++ b/drivers/memory/tegra/tegra186.c
@@ -16,6 +16,8 @@
#include <dt-bindings/memory/tegra186-mc.h>
#endif
+#include "mc.h"
+
#define MC_SID_STREAMID_OVERRIDE_MASK GENMASK(7, 0)
#define MC_SID_STREAMID_SECURITY_WRITE_ACCESS_DISABLED BIT(16)
#define MC_SID_STREAMID_SECURITY_OVERRIDE BIT(8)
@@ -48,8 +50,37 @@ static void tegra186_mc_program_sid(struct tegra_mc *mc)
static int tegra186_mc_probe(struct tegra_mc *mc)
{
+ struct platform_device *pdev = to_platform_device(mc->dev);
+ unsigned int i;
+ char name[8];
int err;
+ mc->bcast_ch_regs = devm_platform_ioremap_resource_byname(pdev, "broadcast");
+ if (IS_ERR(mc->bcast_ch_regs)) {
+ if (PTR_ERR(mc->bcast_ch_regs) == -EINVAL) {
+ dev_warn(&pdev->dev,
+ "Broadcast channel is missing, please update your device-tree\n");
+ mc->bcast_ch_regs = NULL;
+ goto populate;
+ }
+
+ return PTR_ERR(mc->bcast_ch_regs);
+ }
+
+ mc->ch_regs = devm_kcalloc(mc->dev, mc->soc->num_channels, sizeof(*mc->ch_regs),
+ GFP_KERNEL);
+ if (!mc->ch_regs)
+ return -ENOMEM;
+
+ for (i = 0; i < mc->soc->num_channels; i++) {
+ snprintf(name, sizeof(name), "ch%u", i);
+
+ mc->ch_regs[i] = devm_platform_ioremap_resource_byname(pdev, name);
+ if (IS_ERR(mc->ch_regs[i]))
+ return PTR_ERR(mc->ch_regs[i]);
+ }
+
+populate:
err = of_platform_populate(mc->dev->of_node, NULL, NULL, mc->dev);
if (err < 0)
return err;
@@ -144,6 +175,7 @@ const struct tegra_mc_ops tegra186_mc_ops = {
.remove = tegra186_mc_remove,
.resume = tegra186_mc_resume,
.probe_device = tegra186_mc_probe_device,
+ .handle_irq = tegra30_mc_handle_irq,
};
#if defined(CONFIG_ARCH_TEGRA_186_SOC)
@@ -875,6 +907,13 @@ const struct tegra_mc_soc tegra186_mc_soc = {
.num_clients = ARRAY_SIZE(tegra186_mc_clients),
.clients = tegra186_mc_clients,
.num_address_bits = 40,
+ .num_channels = 4,
+ .client_id_mask = 0xff,
+ .intmask = MC_INT_DECERR_GENERALIZED_CARVEOUT | MC_INT_DECERR_MTS |
+ MC_INT_SECERR_SEC | MC_INT_DECERR_VPR |
+ MC_INT_SECURITY_VIOLATION | MC_INT_DECERR_EMEM,
.ops = &tegra186_mc_ops,
+ .ch_intmask = 0x0000000f,
+ .global_intstatus_channel_shift = 0,
};
#endif
diff --git a/drivers/memory/tegra/tegra194.c b/drivers/memory/tegra/tegra194.c
index cab998b8bd5c..b2416ee3ac26 100644
--- a/drivers/memory/tegra/tegra194.c
+++ b/drivers/memory/tegra/tegra194.c
@@ -1347,5 +1347,14 @@ const struct tegra_mc_soc tegra194_mc_soc = {
.num_clients = ARRAY_SIZE(tegra194_mc_clients),
.clients = tegra194_mc_clients,
.num_address_bits = 40,
+ .num_channels = 16,
+ .client_id_mask = 0xff,
+ .intmask = MC_INT_DECERR_ROUTE_SANITY |
+ MC_INT_DECERR_GENERALIZED_CARVEOUT | MC_INT_DECERR_MTS |
+ MC_INT_SECERR_SEC | MC_INT_DECERR_VPR |
+ MC_INT_SECURITY_VIOLATION | MC_INT_DECERR_EMEM,
+ .has_addr_hi_reg = true,
.ops = &tegra186_mc_ops,
+ .ch_intmask = 0x00000f00,
+ .global_intstatus_channel_shift = 8,
};
diff --git a/drivers/memory/tegra/tegra234.c b/drivers/memory/tegra/tegra234.c
new file mode 100644
index 000000000000..e23ebd421f17
--- /dev/null
+++ b/drivers/memory/tegra/tegra234.c
@@ -0,0 +1,110 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2021-2022, NVIDIA CORPORATION. All rights reserved.
+ */
+
+#include <soc/tegra/mc.h>
+
+#include <dt-bindings/memory/tegra234-mc.h>
+
+#include "mc.h"
+
+static const struct tegra_mc_client tegra234_mc_clients[] = {
+ {
+ .id = TEGRA234_MEMORY_CLIENT_SDMMCRAB,
+ .name = "sdmmcrab",
+ .sid = TEGRA234_SID_SDMMC4,
+ .regs = {
+ .sid = {
+ .override = 0x318,
+ .security = 0x31c,
+ },
+ },
+ }, {
+ .id = TEGRA234_MEMORY_CLIENT_SDMMCWAB,
+ .name = "sdmmcwab",
+ .sid = TEGRA234_SID_SDMMC4,
+ .regs = {
+ .sid = {
+ .override = 0x338,
+ .security = 0x33c,
+ },
+ },
+ }, {
+ .id = TEGRA234_MEMORY_CLIENT_BPMPR,
+ .name = "bpmpr",
+ .sid = TEGRA234_SID_BPMP,
+ .regs = {
+ .sid = {
+ .override = 0x498,
+ .security = 0x49c,
+ },
+ },
+ }, {
+ .id = TEGRA234_MEMORY_CLIENT_BPMPW,
+ .name = "bpmpw",
+ .sid = TEGRA234_SID_BPMP,
+ .regs = {
+ .sid = {
+ .override = 0x4a0,
+ .security = 0x4a4,
+ },
+ },
+ }, {
+ .id = TEGRA234_MEMORY_CLIENT_BPMPDMAR,
+ .name = "bpmpdmar",
+ .sid = TEGRA234_SID_BPMP,
+ .regs = {
+ .sid = {
+ .override = 0x4a8,
+ .security = 0x4ac,
+ },
+ },
+ }, {
+ .id = TEGRA234_MEMORY_CLIENT_BPMPDMAW,
+ .name = "bpmpdmaw",
+ .sid = TEGRA234_SID_BPMP,
+ .regs = {
+ .sid = {
+ .override = 0x4b0,
+ .security = 0x4b4,
+ },
+ },
+ }, {
+ .id = TEGRA234_MEMORY_CLIENT_APEDMAR,
+ .name = "apedmar",
+ .sid = TEGRA234_SID_APE,
+ .regs = {
+ .sid = {
+ .override = 0x4f8,
+ .security = 0x4fc,
+ },
+ },
+ }, {
+ .id = TEGRA234_MEMORY_CLIENT_APEDMAW,
+ .name = "apedmaw",
+ .sid = TEGRA234_SID_APE,
+ .regs = {
+ .sid = {
+ .override = 0x500,
+ .security = 0x504,
+ },
+ },
+ },
+};
+
+const struct tegra_mc_soc tegra234_mc_soc = {
+ .num_clients = ARRAY_SIZE(tegra234_mc_clients),
+ .clients = tegra234_mc_clients,
+ .num_address_bits = 40,
+ .num_channels = 16,
+ .client_id_mask = 0x1ff,
+ .intmask = MC_INT_DECERR_ROUTE_SANITY |
+ MC_INT_DECERR_GENERALIZED_CARVEOUT | MC_INT_DECERR_MTS |
+ MC_INT_SECERR_SEC | MC_INT_DECERR_VPR |
+ MC_INT_SECURITY_VIOLATION | MC_INT_DECERR_EMEM,
+ .has_addr_hi_reg = true,
+ .ops = &tegra186_mc_ops,
+ .ch_intmask = 0x0000ff00,
+ .global_intstatus_channel_shift = 8,
+};
diff --git a/drivers/memory/ti-aemif.c b/drivers/memory/ti-aemif.c
index 51d20c2ccb75..f81e7df8798a 100644
--- a/drivers/memory/ti-aemif.c
+++ b/drivers/memory/ti-aemif.c
@@ -328,7 +328,6 @@ static int aemif_probe(struct platform_device *pdev)
{
int i;
int ret = -ENODEV;
- struct resource *res;
struct device *dev = &pdev->dev;
struct device_node *np = dev->of_node;
struct device_node *child_np;
@@ -362,8 +361,7 @@ static int aemif_probe(struct platform_device *pdev)
else if (pdata)
aemif->cs_offset = pdata->cs_offset;
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- aemif->base = devm_ioremap_resource(dev, res);
+ aemif->base = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(aemif->base)) {
ret = PTR_ERR(aemif->base);
goto error;
diff --git a/drivers/memory/ti-emif-pm.c b/drivers/memory/ti-emif-pm.c
index 179fec2da56d..31d6266f008c 100644
--- a/drivers/memory/ti-emif-pm.c
+++ b/drivers/memory/ti-emif-pm.c
@@ -290,9 +290,9 @@ static int ti_emif_probe(struct platform_device *pdev)
emif_data->pm_data.ti_emif_sram_config = (unsigned long)match->data;
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- emif_data->pm_data.ti_emif_base_addr_virt = devm_ioremap_resource(dev,
- res);
+ emif_data->pm_data.ti_emif_base_addr_virt = devm_platform_get_and_ioremap_resource(pdev,
+ 0,
+ &res);
if (IS_ERR(emif_data->pm_data.ti_emif_base_addr_virt)) {
ret = PTR_ERR(emif_data->pm_data.ti_emif_base_addr_virt);
return ret;
generated by cgit v1.2.3-70-g09d2 (git 2.47.1) at 2025-02-01 02:52:10 +0000