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-rw-r--r--drivers/memory/Kconfig1
-rw-r--r--drivers/memory/mtk-smi.c22
-rw-r--r--drivers/memory/samsung/exynos5422-dmc.c29
-rw-r--r--drivers/memory/tegra/tegra234.c80
4 files changed, 120 insertions, 12 deletions
diff --git a/drivers/memory/Kconfig b/drivers/memory/Kconfig
index b7800b37af78..ac1a411648d8 100644
--- a/drivers/memory/Kconfig
+++ b/drivers/memory/Kconfig
@@ -105,6 +105,7 @@ config TI_EMIF
config OMAP_GPMC
tristate "Texas Instruments OMAP SoC GPMC driver"
depends on OF_ADDRESS
+ depends on ARCH_OMAP2PLUS || ARCH_KEYSTONE || ARCH_K3 || COMPILE_TEST
select GPIOLIB
help
This driver is for the General Purpose Memory Controller (GPMC)
diff --git a/drivers/memory/mtk-smi.c b/drivers/memory/mtk-smi.c
index 86a3d34f418e..d7cb7ead2ac7 100644
--- a/drivers/memory/mtk-smi.c
+++ b/drivers/memory/mtk-smi.c
@@ -21,11 +21,13 @@
/* SMI COMMON */
#define SMI_L1LEN 0x100
+#define SMI_L1_ARB 0x200
#define SMI_BUS_SEL 0x220
#define SMI_BUS_LARB_SHIFT(larbid) ((larbid) << 1)
/* All are MMU0 defaultly. Only specialize mmu1 here. */
#define F_MMU1_LARB(larbid) (0x1 << SMI_BUS_LARB_SHIFT(larbid))
+#define SMI_READ_FIFO_TH 0x230
#define SMI_M4U_TH 0x234
#define SMI_FIFO_TH1 0x238
#define SMI_FIFO_TH2 0x23c
@@ -360,6 +362,7 @@ static const struct of_device_id mtk_smi_larb_of_ids[] = {
{.compatible = "mediatek,mt2701-smi-larb", .data = &mtk_smi_larb_mt2701},
{.compatible = "mediatek,mt2712-smi-larb", .data = &mtk_smi_larb_mt2712},
{.compatible = "mediatek,mt6779-smi-larb", .data = &mtk_smi_larb_mt6779},
+ {.compatible = "mediatek,mt6795-smi-larb", .data = &mtk_smi_larb_mt8173},
{.compatible = "mediatek,mt8167-smi-larb", .data = &mtk_smi_larb_mt8167},
{.compatible = "mediatek,mt8173-smi-larb", .data = &mtk_smi_larb_mt8173},
{.compatible = "mediatek,mt8183-smi-larb", .data = &mtk_smi_larb_mt8183},
@@ -404,13 +407,16 @@ static int mtk_smi_device_link_common(struct device *dev, struct device **com_de
of_node_put(smi_com_node);
if (smi_com_pdev) {
/* smi common is the supplier, Make sure it is ready before */
- if (!platform_get_drvdata(smi_com_pdev))
+ if (!platform_get_drvdata(smi_com_pdev)) {
+ put_device(&smi_com_pdev->dev);
return -EPROBE_DEFER;
+ }
smi_com_dev = &smi_com_pdev->dev;
link = device_link_add(dev, smi_com_dev,
DL_FLAG_PM_RUNTIME | DL_FLAG_STATELESS);
if (!link) {
dev_err(dev, "Unable to link smi-common dev\n");
+ put_device(&smi_com_pdev->dev);
return -ENODEV;
}
*com_dev = smi_com_dev;
@@ -541,6 +547,13 @@ static struct platform_driver mtk_smi_larb_driver = {
}
};
+static const struct mtk_smi_reg_pair mtk_smi_common_mt6795_init[SMI_COMMON_INIT_REGS_NR] = {
+ {SMI_L1_ARB, 0x1b},
+ {SMI_M4U_TH, 0xce810c85},
+ {SMI_FIFO_TH1, 0x43214c8},
+ {SMI_READ_FIFO_TH, 0x191f},
+};
+
static const struct mtk_smi_reg_pair mtk_smi_common_mt8195_init[SMI_COMMON_INIT_REGS_NR] = {
{SMI_L1LEN, 0xb},
{SMI_M4U_TH, 0xe100e10},
@@ -565,6 +578,12 @@ static const struct mtk_smi_common_plat mtk_smi_common_mt6779 = {
F_MMU1_LARB(5) | F_MMU1_LARB(6) | F_MMU1_LARB(7),
};
+static const struct mtk_smi_common_plat mtk_smi_common_mt6795 = {
+ .type = MTK_SMI_GEN2,
+ .bus_sel = F_MMU1_LARB(0),
+ .init = mtk_smi_common_mt6795_init,
+};
+
static const struct mtk_smi_common_plat mtk_smi_common_mt8183 = {
.type = MTK_SMI_GEN2,
.has_gals = true,
@@ -609,6 +628,7 @@ static const struct of_device_id mtk_smi_common_of_ids[] = {
{.compatible = "mediatek,mt2701-smi-common", .data = &mtk_smi_common_gen1},
{.compatible = "mediatek,mt2712-smi-common", .data = &mtk_smi_common_gen2},
{.compatible = "mediatek,mt6779-smi-common", .data = &mtk_smi_common_mt6779},
+ {.compatible = "mediatek,mt6795-smi-common", .data = &mtk_smi_common_mt6795},
{.compatible = "mediatek,mt8167-smi-common", .data = &mtk_smi_common_gen2},
{.compatible = "mediatek,mt8173-smi-common", .data = &mtk_smi_common_gen2},
{.compatible = "mediatek,mt8183-smi-common", .data = &mtk_smi_common_mt8183},
diff --git a/drivers/memory/samsung/exynos5422-dmc.c b/drivers/memory/samsung/exynos5422-dmc.c
index 4733e7898ffe..c491cd549644 100644
--- a/drivers/memory/samsung/exynos5422-dmc.c
+++ b/drivers/memory/samsung/exynos5422-dmc.c
@@ -1187,33 +1187,39 @@ static int of_get_dram_timings(struct exynos5_dmc *dmc)
dmc->timing_row = devm_kmalloc_array(dmc->dev, TIMING_COUNT,
sizeof(u32), GFP_KERNEL);
- if (!dmc->timing_row)
- return -ENOMEM;
+ if (!dmc->timing_row) {
+ ret = -ENOMEM;
+ goto put_node;
+ }
dmc->timing_data = devm_kmalloc_array(dmc->dev, TIMING_COUNT,
sizeof(u32), GFP_KERNEL);
- if (!dmc->timing_data)
- return -ENOMEM;
+ if (!dmc->timing_data) {
+ ret = -ENOMEM;
+ goto put_node;
+ }
dmc->timing_power = devm_kmalloc_array(dmc->dev, TIMING_COUNT,
sizeof(u32), GFP_KERNEL);
- if (!dmc->timing_power)
- return -ENOMEM;
+ if (!dmc->timing_power) {
+ ret = -ENOMEM;
+ goto put_node;
+ }
dmc->timings = of_lpddr3_get_ddr_timings(np_ddr, dmc->dev,
DDR_TYPE_LPDDR3,
&dmc->timings_arr_size);
if (!dmc->timings) {
- of_node_put(np_ddr);
dev_warn(dmc->dev, "could not get timings from DT\n");
- return -EINVAL;
+ ret = -EINVAL;
+ goto put_node;
}
dmc->min_tck = of_lpddr3_get_min_tck(np_ddr, dmc->dev);
if (!dmc->min_tck) {
- of_node_put(np_ddr);
dev_warn(dmc->dev, "could not get tck from DT\n");
- return -EINVAL;
+ ret = -EINVAL;
+ goto put_node;
}
/* Sorted array of OPPs with frequency ascending */
@@ -1227,13 +1233,14 @@ static int of_get_dram_timings(struct exynos5_dmc *dmc)
clk_period_ps);
}
- of_node_put(np_ddr);
/* Take the highest frequency's timings as 'bypass' */
dmc->bypass_timing_row = dmc->timing_row[idx - 1];
dmc->bypass_timing_data = dmc->timing_data[idx - 1];
dmc->bypass_timing_power = dmc->timing_power[idx - 1];
+put_node:
+ of_node_put(np_ddr);
return ret;
}
diff --git a/drivers/memory/tegra/tegra234.c b/drivers/memory/tegra/tegra234.c
index e23ebd421f17..a9e8fd99730f 100644
--- a/drivers/memory/tegra/tegra234.c
+++ b/drivers/memory/tegra/tegra234.c
@@ -11,6 +11,76 @@
static const struct tegra_mc_client tegra234_mc_clients[] = {
{
+ .id = TEGRA234_MEMORY_CLIENT_MGBEARD,
+ .name = "mgbeard",
+ .sid = TEGRA234_SID_MGBE,
+ .regs = {
+ .sid = {
+ .override = 0x2c0,
+ .security = 0x2c4,
+ },
+ },
+ }, {
+ .id = TEGRA234_MEMORY_CLIENT_MGBEBRD,
+ .name = "mgbebrd",
+ .sid = TEGRA234_SID_MGBE_VF1,
+ .regs = {
+ .sid = {
+ .override = 0x2c8,
+ .security = 0x2cc,
+ },
+ },
+ }, {
+ .id = TEGRA234_MEMORY_CLIENT_MGBECRD,
+ .name = "mgbecrd",
+ .sid = TEGRA234_SID_MGBE_VF2,
+ .regs = {
+ .sid = {
+ .override = 0x2d0,
+ .security = 0x2d4,
+ },
+ },
+ }, {
+ .id = TEGRA234_MEMORY_CLIENT_MGBEDRD,
+ .name = "mgbedrd",
+ .sid = TEGRA234_SID_MGBE_VF3,
+ .regs = {
+ .sid = {
+ .override = 0x2d8,
+ .security = 0x2dc,
+ },
+ },
+ }, {
+ .id = TEGRA234_MEMORY_CLIENT_MGBEAWR,
+ .name = "mgbeawr",
+ .sid = TEGRA234_SID_MGBE,
+ .regs = {
+ .sid = {
+ .override = 0x2e0,
+ .security = 0x2e4,
+ },
+ },
+ }, {
+ .id = TEGRA234_MEMORY_CLIENT_MGBEBWR,
+ .name = "mgbebwr",
+ .sid = TEGRA234_SID_MGBE_VF1,
+ .regs = {
+ .sid = {
+ .override = 0x2f8,
+ .security = 0x2fc,
+ },
+ },
+ }, {
+ .id = TEGRA234_MEMORY_CLIENT_MGBECWR,
+ .name = "mgbecwr",
+ .sid = TEGRA234_SID_MGBE_VF2,
+ .regs = {
+ .sid = {
+ .override = 0x308,
+ .security = 0x30c,
+ },
+ },
+ }, {
.id = TEGRA234_MEMORY_CLIENT_SDMMCRAB,
.name = "sdmmcrab",
.sid = TEGRA234_SID_SDMMC4,
@@ -21,6 +91,16 @@ static const struct tegra_mc_client tegra234_mc_clients[] = {
},
},
}, {
+ .id = TEGRA234_MEMORY_CLIENT_MGBEDWR,
+ .name = "mgbedwr",
+ .sid = TEGRA234_SID_MGBE_VF3,
+ .regs = {
+ .sid = {
+ .override = 0x328,
+ .security = 0x32c,
+ },
+ },
+ }, {
.id = TEGRA234_MEMORY_CLIENT_SDMMCWAB,
.name = "sdmmcwab",
.sid = TEGRA234_SID_SDMMC4,