Merge branch 'master' of git://git.denx.de/u-boot-sh

6 files changed, 196 insertions, 56 deletions

diff --git a/arch/arm/mach-rmobile/cpu_info.c b/arch/arm/mach-rmobile/cpu_info.c
index e110737471b..c9ebc9f40ed 100644
--- a/arch/arm/mach-rmobile/cpu_info.c
+++ b/arch/arm/mach-rmobile/cpu_info.c
@@ -6,6 +6,8 @@
 #include <common.h>
 #include <asm/io.h>
 
+/* R-Car Gen3 caches are enabled in memmap-gen3.c */
+#ifndef CONFIG_RCAR_GEN3
 #ifdef CONFIG_ARCH_CPU_INIT
 int arch_cpu_init(void)
 {
@@ -20,6 +22,7 @@ void enable_caches(void)
 	dcache_enable();
 }
 #endif
+#endif
 
 #ifdef CONFIG_DISPLAY_CPUINFO
 static u32 __rmobile_get_cpu_type(void)
diff --git a/arch/arm/mach-rmobile/memmap-gen3.c b/arch/arm/mach-rmobile/memmap-gen3.c
index 92c8f2e80db..7e29ccc351b 100644
--- a/arch/arm/mach-rmobile/memmap-gen3.c
+++ b/arch/arm/mach-rmobile/memmap-gen3.c
@@ -8,7 +8,9 @@
 #include <common.h>
 #include <asm/armv8/mmu.h>
 
-static struct mm_region gen3_mem_map[] = {
+#define GEN3_NR_REGIONS 16
+
+static struct mm_region gen3_mem_map[GEN3_NR_REGIONS] = {
 	{
 		.virt = 0x0UL,
 		.phys = 0x0UL,
@@ -42,3 +44,88 @@ static struct mm_region gen3_mem_map[] = {
 };
 
 struct mm_region *mem_map = gen3_mem_map;
+
+DECLARE_GLOBAL_DATA_PTR;
+
+void enable_caches(void)
+{
+	u64 start, size;
+	int bank, i = 0;
+
+	/* Create map for RPC access */
+	gen3_mem_map[i].virt = 0x0ULL;
+	gen3_mem_map[i].phys = 0x0ULL;
+	gen3_mem_map[i].size = 0x40000000ULL;
+	gen3_mem_map[i].attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
+				PTE_BLOCK_NON_SHARE |
+				PTE_BLOCK_PXN | PTE_BLOCK_UXN;
+	i++;
+
+	/* Generate entires for DRAM in 32bit address space */
+	for (bank = 0; bank < CONFIG_NR_DRAM_BANKS; bank++) {
+		start = gd->bd->bi_dram[bank].start;
+		size = gd->bd->bi_dram[bank].size;
+
+		/* Skip empty DRAM banks */
+		if (!size)
+			continue;
+
+		/* Skip DRAM above 4 GiB */
+		if (start >> 32ULL)
+			continue;
+
+		/* Mark memory reserved by ATF as cacheable too. */
+		if (start == 0x48000000) {
+			start = 0x40000000ULL;
+			size += 0x08000000ULL;
+		}
+
+		gen3_mem_map[i].virt = start;
+		gen3_mem_map[i].phys = start;
+		gen3_mem_map[i].size = size;
+		gen3_mem_map[i].attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
+					PTE_BLOCK_INNER_SHARE;
+		i++;
+	}
+
+	/* Create map for register access */
+	gen3_mem_map[i].virt = 0xc0000000ULL;
+	gen3_mem_map[i].phys = 0xc0000000ULL;
+	gen3_mem_map[i].size = 0x40000000ULL;
+	gen3_mem_map[i].attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
+				PTE_BLOCK_NON_SHARE |
+				PTE_BLOCK_PXN | PTE_BLOCK_UXN;
+	i++;
+
+	/* Generate entires for DRAM in 64bit address space */
+	for (bank = 0; bank < CONFIG_NR_DRAM_BANKS; bank++) {
+		start = gd->bd->bi_dram[bank].start;
+		size = gd->bd->bi_dram[bank].size;
+
+		/* Skip empty DRAM banks */
+		if (!size)
+			continue;
+
+		/* Skip DRAM below 4 GiB */
+		if (!(start >> 32ULL))
+			continue;
+
+		gen3_mem_map[i].virt = start;
+		gen3_mem_map[i].phys = start;
+		gen3_mem_map[i].size = size;
+		gen3_mem_map[i].attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
+					PTE_BLOCK_INNER_SHARE;
+		i++;
+	}
+
+	/* Zero out the remaining regions. */
+	for (; i < GEN3_NR_REGIONS; i++) {
+		gen3_mem_map[i].virt = 0;
+		gen3_mem_map[i].phys = 0;
+		gen3_mem_map[i].size = 0;
+		gen3_mem_map[i].attrs = 0;
+	}
+
+	icache_enable();
+	dcache_enable();
+}
diff --git a/drivers/mmc/renesas-sdhi.c b/drivers/mmc/renesas-sdhi.c
index f8dc5f57ce1..e7f96f8bf22 100644
--- a/drivers/mmc/renesas-sdhi.c
+++ b/drivers/mmc/renesas-sdhi.c
@@ -34,6 +34,8 @@
 #define   RENESAS_SDHI_SCC_RVSREQ_RVSERR		BIT(2)
 #define RENESAS_SDHI_SCC_SMPCMP			0x818
 #define RENESAS_SDHI_SCC_TMPPORT2			0x81c
+#define   RENESAS_SDHI_SCC_TMPPORT2_HS400EN		BIT(31)
+#define   RENESAS_SDHI_SCC_TMPPORT2_HS400OSEL		BIT(4)
 
 #define RENESAS_SDHI_MAX_TAP 3
 
@@ -49,12 +51,9 @@ static unsigned int renesas_sdhi_init_tuning(struct tmio_sd_priv *priv)
 	tmio_sd_writel(priv, reg, TMIO_SD_CLKCTL);
 
 	/* Set sampling clock selection range */
-	tmio_sd_writel(priv, 0x8 << RENESAS_SDHI_SCC_DTCNTL_TAPNUM_SHIFT,
-			   RENESAS_SDHI_SCC_DTCNTL);
-
-	reg = tmio_sd_readl(priv, RENESAS_SDHI_SCC_DTCNTL);
-	reg |= RENESAS_SDHI_SCC_DTCNTL_TAPEN;
-	tmio_sd_writel(priv, reg, RENESAS_SDHI_SCC_DTCNTL);
+	tmio_sd_writel(priv, (0x8 << RENESAS_SDHI_SCC_DTCNTL_TAPNUM_SHIFT) |
+			     RENESAS_SDHI_SCC_DTCNTL_TAPEN,
+			     RENESAS_SDHI_SCC_DTCNTL);
 
 	reg = tmio_sd_readl(priv, RENESAS_SDHI_SCC_CKSEL);
 	reg |= RENESAS_SDHI_SCC_CKSEL_DTSEL;
@@ -90,6 +89,11 @@ static void renesas_sdhi_reset_tuning(struct tmio_sd_priv *priv)
 	reg &= ~RENESAS_SDHI_SCC_CKSEL_DTSEL;
 	tmio_sd_writel(priv, reg, RENESAS_SDHI_SCC_CKSEL);
 
+	reg = tmio_sd_readl(priv, RENESAS_SDHI_SCC_TMPPORT2);
+	reg &= ~(RENESAS_SDHI_SCC_TMPPORT2_HS400EN |
+		 RENESAS_SDHI_SCC_TMPPORT2_HS400OSEL);
+	tmio_sd_writel(priv, reg, RENESAS_SDHI_SCC_TMPPORT2);
+
 	reg = tmio_sd_readl(priv, TMIO_SD_CLKCTL);
 	reg |= TMIO_SD_CLKCTL_SCLKEN;
 	tmio_sd_writel(priv, reg, TMIO_SD_CLKCTL);
@@ -294,19 +298,45 @@ static int renesas_sdhi_set_ios(struct udevice *dev)
 #if CONFIG_IS_ENABLED(MMC_HS200_SUPPORT)
 	struct tmio_sd_priv *priv = dev_get_priv(dev);
 
-	renesas_sdhi_reset_tuning(priv);
+	if (priv->caps & TMIO_SD_CAP_RCAR_UHS)
+		renesas_sdhi_reset_tuning(priv);
 #endif
 
 	return ret;
 }
 
+#if CONFIG_IS_ENABLED(MMC_UHS_SUPPORT)
+static int renesas_sdhi_wait_dat0(struct udevice *dev, int state, int timeout)
+{
+	int ret = -ETIMEDOUT;
+	bool dat0_high;
+	bool target_dat0_high = !!state;
+	struct tmio_sd_priv *priv = dev_get_priv(dev);
+
+	timeout = DIV_ROUND_UP(timeout, 10); /* check every 10 us. */
+	while (timeout--) {
+		dat0_high = !!(tmio_sd_readl(priv, TMIO_SD_INFO2) & TMIO_SD_INFO2_DAT0);
+		if (dat0_high == target_dat0_high) {
+			ret = 0;
+			break;
+		}
+		udelay(10);
+	}
+
+	return ret;
+}
+#endif
+
 static const struct dm_mmc_ops renesas_sdhi_ops = {
 	.send_cmd = tmio_sd_send_cmd,
 	.set_ios = renesas_sdhi_set_ios,
 	.get_cd = tmio_sd_get_cd,
-#if CONFIG_IS_ENABLED(MMC_HS200_SUPPORT)
+#if CONFIG_IS_ENABLED(MMC_UHS_SUPPORT) || CONFIG_IS_ENABLED(MMC_HS200_SUPPORT)
 	.execute_tuning = renesas_sdhi_execute_tuning,
 #endif
+#if CONFIG_IS_ENABLED(MMC_UHS_SUPPORT)
+	.wait_dat0 = renesas_sdhi_wait_dat0,
+#endif
 };
 
 #define RENESAS_GEN2_QUIRKS	TMIO_SD_CAP_RCAR_GEN2
@@ -373,7 +403,7 @@ static int renesas_sdhi_probe(struct udevice *dev)
 
 	ret = tmio_sd_probe(dev, quirks);
 #if CONFIG_IS_ENABLED(MMC_HS200_SUPPORT)
-	if (!ret)
+	if (!ret && (priv->caps & TMIO_SD_CAP_RCAR_UHS))
 		renesas_sdhi_reset_tuning(priv);
 #endif
 	return ret;
diff --git a/drivers/mmc/tmio-common.c b/drivers/mmc/tmio-common.c
index 138de59470a..0eca83a0f4d 100644
--- a/drivers/mmc/tmio-common.c
+++ b/drivers/mmc/tmio-common.c
@@ -95,7 +95,7 @@ static void __dma_unmap_single(dma_addr_t addr, size_t size,
 		invalidate_dcache_range(addr, addr + size);
 }
 
-static int tmio_sd_check_error(struct udevice *dev)
+static int tmio_sd_check_error(struct udevice *dev, struct mmc_cmd *cmd)
 {
 	struct tmio_sd_priv *priv = dev_get_priv(dev);
 	u32 info2 = tmio_sd_readl(priv, TMIO_SD_INFO2);
@@ -116,7 +116,9 @@ static int tmio_sd_check_error(struct udevice *dev)
 
 	if (info2 & (TMIO_SD_INFO2_ERR_END | TMIO_SD_INFO2_ERR_CRC |
 		     TMIO_SD_INFO2_ERR_IDX)) {
-		dev_err(dev, "communication out of sync\n");
+		if ((cmd->cmdidx != MMC_CMD_SEND_TUNING_BLOCK) &&
+		    (cmd->cmdidx != MMC_CMD_SEND_TUNING_BLOCK_HS200))
+			dev_err(dev, "communication out of sync\n");
 		return -EILSEQ;
 	}
 
@@ -129,8 +131,8 @@ static int tmio_sd_check_error(struct udevice *dev)
 	return 0;
 }
 
-static int tmio_sd_wait_for_irq(struct udevice *dev, unsigned int reg,
-				    u32 flag)
+static int tmio_sd_wait_for_irq(struct udevice *dev, struct mmc_cmd *cmd,
+				unsigned int reg, u32 flag)
 {
 	struct tmio_sd_priv *priv = dev_get_priv(dev);
 	long wait = 1000000;
@@ -142,7 +144,7 @@ static int tmio_sd_wait_for_irq(struct udevice *dev, unsigned int reg,
 			return -ETIMEDOUT;
 		}
 
-		ret = tmio_sd_check_error(dev);
+		ret = tmio_sd_check_error(dev, cmd);
 		if (ret)
 			return ret;
 
@@ -178,15 +180,15 @@ tmio_pio_read_fifo(64, q)
 tmio_pio_read_fifo(32, l)
 tmio_pio_read_fifo(16, w)
 
-static int tmio_sd_pio_read_one_block(struct udevice *dev, char *pbuf,
-					  uint blocksize)
+static int tmio_sd_pio_read_one_block(struct udevice *dev, struct mmc_cmd *cmd,
+				      char *pbuf, uint blocksize)
 {
 	struct tmio_sd_priv *priv = dev_get_priv(dev);
 	int ret;
 
 	/* wait until the buffer is filled with data */
-	ret = tmio_sd_wait_for_irq(dev, TMIO_SD_INFO2,
-				       TMIO_SD_INFO2_BRE);
+	ret = tmio_sd_wait_for_irq(dev, cmd, TMIO_SD_INFO2,
+				   TMIO_SD_INFO2_BRE);
 	if (ret)
 		return ret;
 
@@ -231,15 +233,15 @@ tmio_pio_write_fifo(64, q)
 tmio_pio_write_fifo(32, l)
 tmio_pio_write_fifo(16, w)
 
-static int tmio_sd_pio_write_one_block(struct udevice *dev,
+static int tmio_sd_pio_write_one_block(struct udevice *dev, struct mmc_cmd *cmd,
 					   const char *pbuf, uint blocksize)
 {
 	struct tmio_sd_priv *priv = dev_get_priv(dev);
 	int ret;
 
 	/* wait until the buffer becomes empty */
-	ret = tmio_sd_wait_for_irq(dev, TMIO_SD_INFO2,
-				    TMIO_SD_INFO2_BWE);
+	ret = tmio_sd_wait_for_irq(dev, cmd, TMIO_SD_INFO2,
+				   TMIO_SD_INFO2_BWE);
 	if (ret)
 		return ret;
 
@@ -255,7 +257,8 @@ static int tmio_sd_pio_write_one_block(struct udevice *dev,
 	return 0;
 }
 
-static int tmio_sd_pio_xfer(struct udevice *dev, struct mmc_data *data)
+static int tmio_sd_pio_xfer(struct udevice *dev, struct mmc_cmd *cmd,
+			    struct mmc_data *data)
 {
 	const char *src = data->src;
 	char *dest = data->dest;
@@ -263,10 +266,10 @@ static int tmio_sd_pio_xfer(struct udevice *dev, struct mmc_data *data)
 
 	for (i = 0; i < data->blocks; i++) {
 		if (data->flags & MMC_DATA_READ)
-			ret = tmio_sd_pio_read_one_block(dev, dest,
+			ret = tmio_sd_pio_read_one_block(dev, cmd, dest,
 							     data->blocksize);
 		else
-			ret = tmio_sd_pio_write_one_block(dev, src,
+			ret = tmio_sd_pio_write_one_block(dev, cmd, src,
 							      data->blocksize);
 		if (ret)
 			return ret;
@@ -468,8 +471,8 @@ int tmio_sd_send_cmd(struct udevice *dev, struct mmc_cmd *cmd,
 		cmd->cmdidx, tmp, cmd->cmdarg);
 	tmio_sd_writel(priv, tmp, TMIO_SD_CMD);
 
-	ret = tmio_sd_wait_for_irq(dev, TMIO_SD_INFO1,
-				       TMIO_SD_INFO1_RSP);
+	ret = tmio_sd_wait_for_irq(dev, cmd, TMIO_SD_INFO1,
+				   TMIO_SD_INFO1_RSP);
 	if (ret)
 		return ret;
 
@@ -497,17 +500,18 @@ int tmio_sd_send_cmd(struct udevice *dev, struct mmc_cmd *cmd,
 		    tmio_sd_addr_is_dmaable(data->src))
 			ret = tmio_sd_dma_xfer(dev, data);
 		else
-			ret = tmio_sd_pio_xfer(dev, data);
+			ret = tmio_sd_pio_xfer(dev, cmd, data);
+		if (ret)
+			return ret;
 
-		ret = tmio_sd_wait_for_irq(dev, TMIO_SD_INFO1,
-					       TMIO_SD_INFO1_CMP);
+		ret = tmio_sd_wait_for_irq(dev, cmd, TMIO_SD_INFO1,
+					   TMIO_SD_INFO1_CMP);
 		if (ret)
 			return ret;
 	}
 
-	tmio_sd_wait_for_irq(dev, TMIO_SD_INFO2, TMIO_SD_INFO2_SCLKDIVEN);
-
-	return ret;
+	return tmio_sd_wait_for_irq(dev, cmd, TMIO_SD_INFO2,
+				    TMIO_SD_INFO2_SCLKDIVEN);
 }
 
 static int tmio_sd_set_bus_width(struct tmio_sd_priv *priv,
@@ -622,26 +626,10 @@ static void tmio_sd_set_pins(struct udevice *dev)
 #endif
 
 #ifdef CONFIG_PINCTRL
-	switch (mmc->selected_mode) {
-	case MMC_LEGACY:
-	case SD_LEGACY:
-	case MMC_HS:
-	case SD_HS:
-	case MMC_HS_52:
-	case MMC_DDR_52:
-		pinctrl_select_state(dev, "default");
-		break;
-	case UHS_SDR12:
-	case UHS_SDR25:
-	case UHS_SDR50:
-	case UHS_DDR50:
-	case UHS_SDR104:
-	case MMC_HS_200:
+	if (mmc->signal_voltage == MMC_SIGNAL_VOLTAGE_180)
 		pinctrl_select_state(dev, "state_uhs");
-		break;
-	default:
-		break;
-	}
+	else
+		pinctrl_select_state(dev, "default");
 #endif
 }
 
@@ -654,11 +642,11 @@ int tmio_sd_set_ios(struct udevice *dev)
 	dev_dbg(dev, "clock %uHz, DDRmode %d, width %u\n",
 		mmc->clock, mmc->ddr_mode, mmc->bus_width);
 
+	tmio_sd_set_clk_rate(priv, mmc);
 	ret = tmio_sd_set_bus_width(priv, mmc);
 	if (ret)
 		return ret;
 	tmio_sd_set_ddr_mode(priv, mmc);
-	tmio_sd_set_clk_rate(priv, mmc);
 	tmio_sd_set_pins(dev);
 
 	return 0;
@@ -732,6 +720,8 @@ int tmio_sd_probe(struct udevice *dev, u32 quirks)
 
 #ifdef CONFIG_DM_REGULATOR
 	device_get_supply_regulator(dev, "vqmmc-supply", &priv->vqmmc_dev);
+	if (priv->vqmmc_dev)
+		regulator_set_value(priv->vqmmc_dev, 3300000);
 #endif
 
 	ret = mmc_of_parse(dev, &plat->cfg);
diff --git a/drivers/pinctrl/renesas/pfc-r8a77990.c b/drivers/pinctrl/renesas/pfc-r8a77990.c
index a99fd770f2f..78bf3193d54 100644
--- a/drivers/pinctrl/renesas/pfc-r8a77990.c
+++ b/drivers/pinctrl/renesas/pfc-r8a77990.c
@@ -26,12 +26,12 @@
 	PORT_GP_18(0, fn, sfx),	\
 	PORT_GP_23(1, fn, sfx),	\
 	PORT_GP_26(2, fn, sfx),	\
-	PORT_GP_12(3, fn, sfx),	\
+	PORT_GP_CFG_12(3, fn, sfx, SH_PFC_PIN_CFG_IO_VOLTAGE),	\
 	PORT_GP_1(3, 12, fn, sfx),	\
 	PORT_GP_1(3, 13, fn, sfx),	\
 	PORT_GP_1(3, 14, fn, sfx),	\
 	PORT_GP_1(3, 15, fn, sfx),	\
-	PORT_GP_11(4, fn, sfx),	\
+	PORT_GP_CFG_11(4, fn, sfx, SH_PFC_PIN_CFG_IO_VOLTAGE),	\
 	PORT_GP_20(5, fn, sfx),	\
 	PORT_GP_18(6, fn, sfx)
 /*
@@ -5151,8 +5151,37 @@ static const struct pinmux_cfg_reg pinmux_config_regs[] = {
 	{ },
 };
 
+enum ioctrl_regs {
+	POCCTRL,
+};
+
+static const struct pinmux_ioctrl_reg pinmux_ioctrl_regs[] = {
+	[POCCTRL] = { 0xe6060380, },
+	{ /* sentinel */ },
+};
+
+static int r8a77990_pin_to_pocctrl(struct sh_pfc *pfc, unsigned int pin, u32 *pocctrl)
+{
+	int bit = -EINVAL;
+
+	*pocctrl = pinmux_ioctrl_regs[POCCTRL].reg;
+
+	if (pin >= RCAR_GP_PIN(3, 0) && pin <= RCAR_GP_PIN(3, 11))
+		bit = pin & 0x1f;
+
+	if (pin >= RCAR_GP_PIN(4, 0) && pin <= RCAR_GP_PIN(4, 10))
+		bit = (pin & 0x1f) + 19;
+
+	return bit;
+}
+
+static const struct sh_pfc_soc_operations r8a77990_pinmux_ops = {
+	.pin_to_pocctrl = r8a77990_pin_to_pocctrl,
+};
+
 const struct sh_pfc_soc_info r8a77990_pinmux_info = {
 	.name = "r8a77990_pfc",
+	.ops = &r8a77990_pinmux_ops,
 	.unlock_reg = 0xe6060000, /* PMMR */
 
 	.function = { PINMUX_FUNCTION_BEGIN, PINMUX_FUNCTION_END },
@@ -5165,6 +5194,7 @@ const struct sh_pfc_soc_info r8a77990_pinmux_info = {
 	.nr_functions = ARRAY_SIZE(pinmux_functions),
 
 	.cfg_regs = pinmux_config_regs,
+	.ioctrl_regs = pinmux_ioctrl_regs,
 
 	.pinmux_data = pinmux_data,
 	.pinmux_data_size = ARRAY_SIZE(pinmux_data),
diff --git a/drivers/pinctrl/renesas/pfc.c b/drivers/pinctrl/renesas/pfc.c
index 90011537a85..b3a4ff9049d 100644
--- a/drivers/pinctrl/renesas/pfc.c
+++ b/drivers/pinctrl/renesas/pfc.c
@@ -591,7 +591,7 @@ static int sh_pfc_pinconf_set_drive_strength(struct sh_pfc *pfc,
 	strength = strength / step - 1;
 
 	val = sh_pfc_read_raw_reg(reg, 32);
-	val &= ~GENMASK(offset + size - 1, offset);
+	val &= ~GENMASK(offset + 4 - 1, offset);
 	val |= strength << offset;
 
 	if (unlock_reg)