Forráskód Böngészése

Merge git://www.denx.de/git/u-boot-marvell

Tom Rini 7 éve
szülő
commit
cf4128e53c

+ 21 - 0
arch/arm/dts/armada-3720-db.dts

@@ -94,6 +94,27 @@
 	status = "okay";
 };
 
+&sdhci0 {
+	bus-width = <4>;
+	status = "okay";
+};
+
+&sdhci1 {
+	non-removable;
+	bus-width = <8>;
+	mmc-ddr-1_8v;
+	mmc-hs400-1_8v;
+	marvell,pad-type = "fixed-1-8v";
+	status = "okay";
+
+	#address-cells = <1>;
+	#size-cells = <0>;
+	mmccard: mmccard@0 {
+		compatible = "mmc-card";
+		reg = <0>;
+	};
+};
+
 &spi0 {
 	status = "okay";
 

+ 16 - 0
arch/arm/dts/armada-37xx.dtsi

@@ -133,6 +133,22 @@
 				};
 			};
 
+			sdhci0: sdhci@d0000 {
+				compatible = "marvell,armada-3700-sdhci",
+				"marvell,sdhci-xenon";
+				reg = <0xd0000 0x300
+				       0x1e808 0x4>;
+				status = "disabled";
+			};
+
+			sdhci1: sdhci@d8000 {
+				compatible = "marvell,armada-3700-sdhci",
+				"marvell,sdhci-xenon";
+				reg = <0xd8000 0x300
+				       0x17808 0x4>;
+				status = "disabled";
+			};
+
 			sata: sata@e0000 {
 				compatible = "marvell,armada-3700-ahci";
 				reg = <0xe0000 0x2000>;

+ 14 - 0
arch/arm/dts/armada-7040-db.dts

@@ -195,3 +195,17 @@
 &cpm_utmi1 {
 	status = "okay";
 };
+
+&ap_sdhci0 {
+	status = "okay";
+	bus-width = <4>;
+	no-1-8-v;
+	non-removable;
+};
+
+&cpm_sdhci0 {
+	status = "okay";
+	bus-width = <4>;
+	no-1-8-v;
+	non-removable;
+};

+ 8 - 0
arch/arm/dts/armada-ap806.dtsi

@@ -234,6 +234,14 @@
 
 			};
 
+			ap_sdhci0: sdhci@6e0000 {
+				compatible = "marvell,armada-8k-sdhci";
+				reg = <0x6e0000 0x300>;
+				interrupts = <GIC_SPI 16 IRQ_TYPE_LEVEL_HIGH>;
+				dma-coherent;
+				status = "disabled";
+			};
+
 			ap_syscon: system-controller@6f4000 {
 				compatible = "marvell,ap806-system-controller",
 					     "syscon";

+ 8 - 0
arch/arm/dts/armada-cp110-master.dtsi

@@ -206,6 +206,14 @@
 				utmi-port = <UTMI_PHY_TO_USB_HOST1>;
 				status = "disabled";
 			};
+
+			cpm_sdhci0: sdhci@780000 {
+				compatible = "marvell,armada-8k-sdhci";
+				reg = <0x780000 0x300>;
+				interrupts = <GIC_SPI 69 IRQ_TYPE_LEVEL_HIGH>;
+				dma-coherent;
+				status = "disabled";
+			};
 		};
 
 		cpm_pcie0: pcie@f2600000 {

+ 22 - 3
cmd/mvebu/bubt.c

@@ -18,6 +18,9 @@
 #include <usb.h>
 #include <fs.h>
 #include <mmc.h>
+#ifdef CONFIG_BLK
+#include <blk.h>
+#endif
 #include <u-boot/sha1.h>
 #include <u-boot/sha256.h>
 
@@ -116,7 +119,9 @@ static int mmc_burn_image(size_t image_size)
 	ulong		blk_written;
 	int		err;
 	const u8	mmc_dev_num = CONFIG_SYS_MMC_ENV_DEV;
-
+#ifdef CONFIG_BLK
+	struct blk_desc *blk_desc;
+#endif
 	mmc = find_mmc_device(mmc_dev_num);
 	if (!mmc) {
 		printf("No SD/MMC/eMMC card found\n");
@@ -144,13 +149,27 @@ static int mmc_burn_image(size_t image_size)
 	 * MMC/eMMC boots from LBA-0
 	 */
 	start_lba = IS_SD(mmc) ? 1 : 0;
+#ifdef CONFIG_BLK
+	blk_count = image_size / mmc->write_bl_len;
+	if (image_size % mmc->write_bl_len)
+		blk_count += 1;
+
+	blk_desc = mmc_get_blk_desc(mmc);
+	if (!blk_desc) {
+		printf("Error - failed to obtain block descriptor\n");
+		return -ENODEV;
+	}
+	blk_written = blk_dwrite(blk_desc, start_lba, blk_count,
+				 (void *)get_load_addr());
+#else
 	blk_count = image_size / mmc->block_dev.blksz;
 	if (image_size % mmc->block_dev.blksz)
 		blk_count += 1;
 
 	blk_written = mmc->block_dev.block_write(mmc_dev_num,
-						start_lba, blk_count,
-						(void *)get_load_addr());
+						 start_lba, blk_count,
+						 (void *)get_load_addr());
+#endif /* CONFIG_BLK */
 	if (blk_written != blk_count) {
 		printf("Error - written %#lx blocks\n", blk_written);
 		return -ENOSPC;

+ 5 - 1
configs/mvebu_db-88f3720_defconfig

@@ -2,7 +2,6 @@ CONFIG_ARM=y
 CONFIG_ARCH_MVEBU=y
 CONFIG_SYS_MALLOC_F_LEN=0x2000
 CONFIG_TARGET_MVEBU_DB_88F3720=y
-# CONFIG_MMC is not set
 CONFIG_DEFAULT_DEVICE_TREE="armada-3720-db"
 CONFIG_AHCI=y
 # CONFIG_SYS_MALLOC_CLEAR_ON_INIT is not set
@@ -13,6 +12,7 @@ CONFIG_ARCH_EARLY_INIT_R=y
 CONFIG_BOARD_EARLY_INIT_F=y
 # CONFIG_CMD_IMLS is not set
 # CONFIG_CMD_FLASH is not set
+CONFIG_CMD_MMC=y
 CONFIG_CMD_SF=y
 CONFIG_CMD_SPI=y
 CONFIG_CMD_I2C=y
@@ -33,6 +33,10 @@ CONFIG_BLOCK_CACHE=y
 CONFIG_DM_I2C=y
 CONFIG_DM_I2C_COMPAT=y
 CONFIG_MISC=y
+CONFIG_DM_MMC=y
+CONFIG_MMC_SDHCI=y
+CONFIG_MMC_SDHCI_SDMA=y
+CONFIG_MMC_SDHCI_XENON=y
 CONFIG_SPI_FLASH=y
 CONFIG_SPI_FLASH_MACRONIX=y
 CONFIG_SPI_FLASH_SPANSION=y

+ 4 - 1
configs/mvebu_db-88f7040_defconfig

@@ -14,6 +14,7 @@ CONFIG_BOARD_EARLY_INIT_F=y
 CONFIG_HUSH_PARSER=y
 # CONFIG_CMD_IMLS is not set
 # CONFIG_CMD_FLASH is not set
+CONFIG_CMD_MMC=y
 CONFIG_CMD_SF=y
 CONFIG_CMD_SPI=y
 CONFIG_CMD_I2C=y
@@ -35,7 +36,9 @@ CONFIG_BLOCK_CACHE=y
 CONFIG_DM_I2C=y
 CONFIG_SYS_I2C_MVTWSI=y
 CONFIG_MISC=y
-# CONFIG_MMC is not set
+CONFIG_DM_MMC=y
+CONFIG_MMC_SDHCI=y
+CONFIG_MMC_SDHCI_XENON=y
 CONFIG_SPI_FLASH=y
 CONFIG_SPI_FLASH_MACRONIX=y
 CONFIG_SPI_FLASH_SPANSION=y

+ 4 - 1
configs/mvebu_db-88f8040_defconfig

@@ -14,6 +14,7 @@ CONFIG_BOARD_EARLY_INIT_F=y
 CONFIG_HUSH_PARSER=y
 # CONFIG_CMD_IMLS is not set
 # CONFIG_CMD_FLASH is not set
+CONFIG_CMD_MMC=y
 CONFIG_CMD_SF=y
 CONFIG_CMD_SPI=y
 CONFIG_CMD_I2C=y
@@ -35,7 +36,9 @@ CONFIG_BLOCK_CACHE=y
 CONFIG_DM_I2C=y
 CONFIG_SYS_I2C_MVTWSI=y
 CONFIG_MISC=y
-# CONFIG_MMC is not set
+CONFIG_DM_MMC=y
+CONFIG_MMC_SDHCI=y
+CONFIG_MMC_SDHCI_XENON=y
 CONFIG_SPI_FLASH=y
 CONFIG_SPI_FLASH_MACRONIX=y
 CONFIG_SPI_FLASH_SPANSION=y

+ 11 - 0
drivers/mmc/Kconfig

@@ -287,6 +287,17 @@ config MMC_SDHCI_SPEAR
 
 	  If unsure, say N.
 
+config MMC_SDHCI_XENON
+	bool "SDHCI support for the Xenon SDHCI controller"
+	depends on MMC_SDHCI && DM_MMC && OF_CONTROL
+	help
+	  Support for Xenon SDHCI host controller on Marvell Armada 3700
+	  7k/8k ARM SoCs platforms
+
+	  If you have a controller with this interface, say Y here.
+
+	  If unsure, say N.
+
 config MMC_SDHCI_TEGRA
 	bool "SDHCI platform support for the Tegra SD/MMC Controller"
 	depends on TEGRA

+ 1 - 0
drivers/mmc/Makefile

@@ -68,6 +68,7 @@ obj-$(CONFIG_MMC_SDHCI_MV)		+= mv_sdhci.o
 obj-$(CONFIG_MMC_SDHCI_S5P)		+= s5p_sdhci.o
 obj-$(CONFIG_MMC_SDHCI_SPEAR)		+= spear_sdhci.o
 obj-$(CONFIG_MMC_SDHCI_TEGRA)		+= tegra_mmc.o
+obj-$(CONFIG_MMC_SDHCI_XENON)		+= xenon_sdhci.o
 
 obj-$(CONFIG_MMC_SUNXI)			+= sunxi_mmc.o
 obj-$(CONFIG_MMC_UNIPHIER)		+= uniphier-sd.o

+ 6 - 4
drivers/mmc/sdhci.c

@@ -295,7 +295,7 @@ static int sdhci_send_command(struct mmc *mmc, struct mmc_cmd *cmd,
 static int sdhci_set_clock(struct mmc *mmc, unsigned int clock)
 {
 	struct sdhci_host *host = mmc->priv;
-	unsigned int div, clk = 0, timeout, reg;
+	unsigned int div, clk = 0, timeout;
 
 	/* Wait max 20 ms */
 	timeout = 200;
@@ -311,9 +311,7 @@ static int sdhci_set_clock(struct mmc *mmc, unsigned int clock)
 		udelay(100);
 	}
 
-	reg = sdhci_readw(host, SDHCI_CLOCK_CONTROL);
-	reg &= ~(SDHCI_CLOCK_CARD_EN | SDHCI_CLOCK_INT_EN);
-	sdhci_writew(host, reg, SDHCI_CLOCK_CONTROL);
+	sdhci_writew(host, 0, SDHCI_CLOCK_CONTROL);
 
 	if (clock == 0)
 		return 0;
@@ -460,6 +458,10 @@ static int sdhci_set_ios(struct mmc *mmc)
 
 	sdhci_writeb(host, ctrl, SDHCI_HOST_CONTROL);
 
+	/* If available, call the driver specific "post" set_ios() function */
+	if (host->ops && host->ops->set_ios_post)
+		host->ops->set_ios_post(host);
+
 	return 0;
 }
 

+ 497 - 0
drivers/mmc/xenon_sdhci.c

@@ -0,0 +1,497 @@
+/*
+ * Driver for Marvell SOC Platform Group Xenon SDHC as a platform device
+ *
+ * Copyright (C) 2016 Marvell, All Rights Reserved.
+ *
+ * Author:	Victor Gu <xigu@marvell.com>
+ * Date:	2016-8-24
+ *
+ * Included parts of the Linux driver version which was written by:
+ * Hu Ziji <huziji@marvell.com>
+ *
+ * Ported to from Marvell 2015.01 to mainline U-Boot 2017.01:
+ * Stefan Roese <sr@denx.de>
+ *
+ * SPDX-License-Identifier:	GPL-2.0
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <fdtdec.h>
+#include <libfdt.h>
+#include <malloc.h>
+#include <sdhci.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/* Register Offset of SD Host Controller SOCP self-defined register */
+#define SDHC_SYS_CFG_INFO			0x0104
+#define SLOT_TYPE_SDIO_SHIFT			24
+#define SLOT_TYPE_EMMC_MASK			0xFF
+#define SLOT_TYPE_EMMC_SHIFT			16
+#define SLOT_TYPE_SD_SDIO_MMC_MASK		0xFF
+#define SLOT_TYPE_SD_SDIO_MMC_SHIFT		8
+#define NR_SUPPORTED_SLOT_MASK			0x7
+
+#define SDHC_SYS_OP_CTRL			0x0108
+#define AUTO_CLKGATE_DISABLE_MASK		BIT(20)
+#define SDCLK_IDLEOFF_ENABLE_SHIFT		8
+#define SLOT_ENABLE_SHIFT			0
+
+#define SDHC_SYS_EXT_OP_CTRL			0x010C
+#define MASK_CMD_CONFLICT_ERROR			BIT(8)
+
+#define SDHC_SLOT_RETUNING_REQ_CTRL		0x0144
+/* retuning compatible */
+#define RETUNING_COMPATIBLE			0x1
+
+/* Xenon specific Mode Select value */
+#define XENON_SDHCI_CTRL_HS200			0x5
+#define XENON_SDHCI_CTRL_HS400			0x6
+
+#define EMMC_PHY_REG_BASE			0x170
+#define EMMC_PHY_TIMING_ADJUST			EMMC_PHY_REG_BASE
+#define OUTPUT_QSN_PHASE_SELECT			BIT(17)
+#define SAMPL_INV_QSP_PHASE_SELECT		BIT(18)
+#define SAMPL_INV_QSP_PHASE_SELECT_SHIFT	18
+#define EMMC_PHY_SLOW_MODE			BIT(29)
+#define PHY_INITIALIZAION			BIT(31)
+#define WAIT_CYCLE_BEFORE_USING_MASK		0xf
+#define WAIT_CYCLE_BEFORE_USING_SHIFT		12
+#define FC_SYNC_EN_DURATION_MASK		0xf
+#define FC_SYNC_EN_DURATION_SHIFT		8
+#define FC_SYNC_RST_EN_DURATION_MASK		0xf
+#define FC_SYNC_RST_EN_DURATION_SHIFT		4
+#define FC_SYNC_RST_DURATION_MASK		0xf
+#define FC_SYNC_RST_DURATION_SHIFT		0
+
+#define EMMC_PHY_FUNC_CONTROL			(EMMC_PHY_REG_BASE + 0x4)
+#define DQ_ASYNC_MODE				BIT(4)
+#define DQ_DDR_MODE_SHIFT			8
+#define DQ_DDR_MODE_MASK			0xff
+#define CMD_DDR_MODE				BIT(16)
+
+#define EMMC_PHY_PAD_CONTROL			(EMMC_PHY_REG_BASE + 0x8)
+#define REC_EN_SHIFT				24
+#define REC_EN_MASK				0xf
+#define FC_DQ_RECEN				BIT(24)
+#define FC_CMD_RECEN				BIT(25)
+#define FC_QSP_RECEN				BIT(26)
+#define FC_QSN_RECEN				BIT(27)
+#define OEN_QSN					BIT(28)
+#define AUTO_RECEN_CTRL				BIT(30)
+
+#define EMMC_PHY_PAD_CONTROL1			(EMMC_PHY_REG_BASE + 0xc)
+#define EMMC5_1_FC_QSP_PD			BIT(9)
+#define EMMC5_1_FC_QSP_PU			BIT(25)
+#define EMMC5_1_FC_CMD_PD			BIT(8)
+#define EMMC5_1_FC_CMD_PU			BIT(24)
+#define EMMC5_1_FC_DQ_PD			0xff
+#define EMMC5_1_FC_DQ_PU			(0xff << 16)
+
+#define SDHCI_RETUNE_EVT_INTSIG			0x00001000
+
+/* Hyperion only have one slot 0 */
+#define XENON_MMC_SLOT_ID_HYPERION		0
+
+#define MMC_TIMING_LEGACY	0
+#define MMC_TIMING_MMC_HS	1
+#define MMC_TIMING_SD_HS	2
+#define MMC_TIMING_UHS_SDR12	3
+#define MMC_TIMING_UHS_SDR25	4
+#define MMC_TIMING_UHS_SDR50	5
+#define MMC_TIMING_UHS_SDR104	6
+#define MMC_TIMING_UHS_DDR50	7
+#define MMC_TIMING_MMC_DDR52	8
+#define MMC_TIMING_MMC_HS200	9
+#define MMC_TIMING_MMC_HS400	10
+
+#define XENON_MMC_MAX_CLK	400000000
+
+enum soc_pad_ctrl_type {
+	SOC_PAD_SD,
+	SOC_PAD_FIXED_1_8V,
+};
+
+struct xenon_sdhci_plat {
+	struct mmc_config cfg;
+	struct mmc mmc;
+};
+
+struct xenon_sdhci_priv {
+	struct sdhci_host host;
+
+	u8 timing;
+
+	unsigned int clock;
+
+	void *pad_ctrl_reg;
+	int pad_type;
+};
+
+static int xenon_mmc_phy_init(struct sdhci_host *host)
+{
+	struct xenon_sdhci_priv *priv = host->mmc->priv;
+	u32 clock = priv->clock;
+	u32 time;
+	u32 var;
+
+	/* Enable QSP PHASE SELECT */
+	var = sdhci_readl(host, EMMC_PHY_TIMING_ADJUST);
+	var |= SAMPL_INV_QSP_PHASE_SELECT;
+	if ((priv->timing == MMC_TIMING_UHS_SDR50) ||
+	    (priv->timing == MMC_TIMING_UHS_SDR25) ||
+	    (priv->timing == MMC_TIMING_UHS_SDR12) ||
+	    (priv->timing == MMC_TIMING_SD_HS) ||
+	    (priv->timing == MMC_TIMING_LEGACY))
+		var |= EMMC_PHY_SLOW_MODE;
+	sdhci_writel(host, var, EMMC_PHY_TIMING_ADJUST);
+
+	/* Poll for host MMC PHY clock init to be stable */
+	/* Wait up to 10ms */
+	time = 100;
+	while (time--) {
+		var = sdhci_readl(host, SDHCI_CLOCK_CONTROL);
+		if (var & SDHCI_CLOCK_INT_STABLE)
+			break;
+
+		udelay(100);
+	}
+
+	if (time <= 0) {
+		error("Failed to enable MMC internal clock in time\n");
+		return -ETIMEDOUT;
+	}
+
+	/* Init PHY */
+	var = sdhci_readl(host, EMMC_PHY_TIMING_ADJUST);
+	var |= PHY_INITIALIZAION;
+	sdhci_writel(host, var, EMMC_PHY_TIMING_ADJUST);
+
+	if (clock == 0) {
+		/* Use the possibly slowest bus frequency value */
+		clock = 100000;
+	}
+
+	/* Poll for host eMMC PHY init to complete */
+	/* Wait up to 10ms */
+	time = 100;
+	while (time--) {
+		var = sdhci_readl(host, EMMC_PHY_TIMING_ADJUST);
+		var &= PHY_INITIALIZAION;
+		if (!var)
+			break;
+
+		/* wait for host eMMC PHY init to complete */
+		udelay(100);
+	}
+
+	if (time <= 0) {
+		error("Failed to init MMC PHY in time\n");
+		return -ETIMEDOUT;
+	}
+
+	return 0;
+}
+
+#define ARMADA_3700_SOC_PAD_1_8V	0x1
+#define ARMADA_3700_SOC_PAD_3_3V	0x0
+
+static void armada_3700_soc_pad_voltage_set(struct sdhci_host *host)
+{
+	struct xenon_sdhci_priv *priv = host->mmc->priv;
+
+	if (priv->pad_type == SOC_PAD_FIXED_1_8V)
+		writel(ARMADA_3700_SOC_PAD_1_8V, priv->pad_ctrl_reg);
+	else if (priv->pad_type == SOC_PAD_SD)
+		writel(ARMADA_3700_SOC_PAD_3_3V, priv->pad_ctrl_reg);
+}
+
+static void xenon_mmc_phy_set(struct sdhci_host *host)
+{
+	struct xenon_sdhci_priv *priv = host->mmc->priv;
+	u32 var;
+
+	/* Setup pad, set bit[30], bit[28] and bits[26:24] */
+	var = sdhci_readl(host, EMMC_PHY_PAD_CONTROL);
+	var |= AUTO_RECEN_CTRL | OEN_QSN | FC_QSP_RECEN |
+		FC_CMD_RECEN | FC_DQ_RECEN;
+	sdhci_writel(host, var, EMMC_PHY_PAD_CONTROL);
+
+	/* Set CMD and DQ Pull Up */
+	var = sdhci_readl(host, EMMC_PHY_PAD_CONTROL1);
+	var |= (EMMC5_1_FC_CMD_PU | EMMC5_1_FC_DQ_PU);
+	var &= ~(EMMC5_1_FC_CMD_PD | EMMC5_1_FC_DQ_PD);
+	sdhci_writel(host, var, EMMC_PHY_PAD_CONTROL1);
+
+	/*
+	 * If timing belongs to high speed, set bit[17] of
+	 * EMMC_PHY_TIMING_ADJUST register
+	 */
+	if ((priv->timing == MMC_TIMING_MMC_HS400) ||
+	    (priv->timing == MMC_TIMING_MMC_HS200) ||
+	    (priv->timing == MMC_TIMING_UHS_SDR50) ||
+	    (priv->timing == MMC_TIMING_UHS_SDR104) ||
+	    (priv->timing == MMC_TIMING_UHS_DDR50) ||
+	    (priv->timing == MMC_TIMING_UHS_SDR25) ||
+	    (priv->timing == MMC_TIMING_MMC_DDR52)) {
+		var = sdhci_readl(host, EMMC_PHY_TIMING_ADJUST);
+		var |= OUTPUT_QSN_PHASE_SELECT;
+		sdhci_writel(host, var, EMMC_PHY_TIMING_ADJUST);
+	}
+
+	/*
+	 * When setting EMMC_PHY_FUNC_CONTROL register,
+	 * SD clock should be disabled
+	 */
+	var = sdhci_readl(host, SDHCI_CLOCK_CONTROL);
+	var &= ~SDHCI_CLOCK_CARD_EN;
+	sdhci_writew(host, var, SDHCI_CLOCK_CONTROL);
+
+	var = sdhci_readl(host, EMMC_PHY_FUNC_CONTROL);
+	if (host->mmc->ddr_mode) {
+		var |= (DQ_DDR_MODE_MASK << DQ_DDR_MODE_SHIFT) | CMD_DDR_MODE;
+	} else {
+		var &= ~((DQ_DDR_MODE_MASK << DQ_DDR_MODE_SHIFT) |
+			 CMD_DDR_MODE);
+	}
+	sdhci_writel(host, var, EMMC_PHY_FUNC_CONTROL);
+
+	/* Enable bus clock */
+	var = sdhci_readl(host, SDHCI_CLOCK_CONTROL);
+	var |= SDHCI_CLOCK_CARD_EN;
+	sdhci_writew(host, var, SDHCI_CLOCK_CONTROL);
+
+	xenon_mmc_phy_init(host);
+}
+
+/* Enable/Disable the Auto Clock Gating function of this slot */
+static void xenon_mmc_set_acg(struct sdhci_host *host, bool enable)
+{
+	u32 var;
+
+	var = sdhci_readl(host, SDHC_SYS_OP_CTRL);
+	if (enable)
+		var &= ~AUTO_CLKGATE_DISABLE_MASK;
+	else
+		var |= AUTO_CLKGATE_DISABLE_MASK;
+
+	sdhci_writel(host, var, SDHC_SYS_OP_CTRL);
+}
+
+#define SLOT_MASK(slot)		BIT(slot)
+
+/* Enable specific slot */
+static void xenon_mmc_enable_slot(struct sdhci_host *host, u8 slot)
+{
+	u32 var;
+
+	var = sdhci_readl(host, SDHC_SYS_OP_CTRL);
+	var |= SLOT_MASK(slot) << SLOT_ENABLE_SHIFT;
+	sdhci_writel(host, var, SDHC_SYS_OP_CTRL);
+}
+
+/* Enable Parallel Transfer Mode */
+static void xenon_mmc_enable_parallel_tran(struct sdhci_host *host, u8 slot)
+{
+	u32 var;
+
+	var = sdhci_readl(host, SDHC_SYS_EXT_OP_CTRL);
+	var |= SLOT_MASK(slot);
+	sdhci_writel(host, var, SDHC_SYS_EXT_OP_CTRL);
+}
+
+static void xenon_mmc_disable_tuning(struct sdhci_host *host, u8 slot)
+{
+	u32 var;
+
+	/* Clear the Re-Tuning Request functionality */
+	var = sdhci_readl(host, SDHC_SLOT_RETUNING_REQ_CTRL);
+	var &= ~RETUNING_COMPATIBLE;
+	sdhci_writel(host, var, SDHC_SLOT_RETUNING_REQ_CTRL);
+
+	/* Clear the Re-tuning Event Signal Enable */
+	var = sdhci_readl(host, SDHCI_SIGNAL_ENABLE);
+	var &= ~SDHCI_RETUNE_EVT_INTSIG;
+	sdhci_writel(host, var, SDHCI_SIGNAL_ENABLE);
+}
+
+/* Mask command conflict error */
+static void xenon_mask_cmd_conflict_err(struct sdhci_host *host)
+{
+	u32  reg;
+
+	reg = sdhci_readl(host, SDHC_SYS_EXT_OP_CTRL);
+	reg |= MASK_CMD_CONFLICT_ERROR;
+	sdhci_writel(host, reg, SDHC_SYS_EXT_OP_CTRL);
+}
+
+/* Platform specific function for post set_ios configuration */
+static void xenon_sdhci_set_ios_post(struct sdhci_host *host)
+{
+	struct xenon_sdhci_priv *priv = host->mmc->priv;
+	uint speed = host->mmc->tran_speed;
+	int pwr_18v = 0;
+
+	if ((sdhci_readb(host, SDHCI_POWER_CONTROL) & ~SDHCI_POWER_ON) ==
+	    SDHCI_POWER_180)
+		pwr_18v = 1;
+
+	/* Set timing variable according to the configured speed */
+	if (IS_SD(host->mmc)) {
+		/* SD/SDIO */
+		if (pwr_18v) {
+			if (host->mmc->ddr_mode)
+				priv->timing = MMC_TIMING_UHS_DDR50;
+			else if (speed <= 25000000)
+				priv->timing = MMC_TIMING_UHS_SDR25;
+			else
+				priv->timing = MMC_TIMING_UHS_SDR50;
+		} else {
+			if (speed <= 25000000)
+				priv->timing = MMC_TIMING_LEGACY;
+			else
+				priv->timing = MMC_TIMING_SD_HS;
+		}
+	} else {
+		/* eMMC */
+		if (host->mmc->ddr_mode)
+			priv->timing = MMC_TIMING_MMC_DDR52;
+		else if (speed <= 26000000)
+			priv->timing = MMC_TIMING_LEGACY;
+		else
+			priv->timing = MMC_TIMING_MMC_HS;
+	}
+
+	/* Re-init the PHY */
+	xenon_mmc_phy_set(host);
+}
+
+/* Install a driver specific handler for post set_ios configuration */
+static const struct sdhci_ops xenon_sdhci_ops = {
+	.set_ios_post = xenon_sdhci_set_ios_post
+};
+
+static int xenon_sdhci_probe(struct udevice *dev)
+{
+	struct xenon_sdhci_plat *plat = dev_get_platdata(dev);
+	struct mmc_uclass_priv *upriv = dev_get_uclass_priv(dev);
+	struct xenon_sdhci_priv *priv = dev_get_priv(dev);
+	struct sdhci_host *host = dev_get_priv(dev);
+	int ret;
+
+	host->mmc = &plat->mmc;
+	host->mmc->priv = host;
+	host->mmc->dev = dev;
+	upriv->mmc = host->mmc;
+
+	/* Set quirks */
+	host->quirks = SDHCI_QUIRK_WAIT_SEND_CMD | SDHCI_QUIRK_32BIT_DMA_ADDR;
+
+	/* Set default timing */
+	priv->timing = MMC_TIMING_LEGACY;
+
+	/* Disable auto clock gating during init */
+	xenon_mmc_set_acg(host, false);
+
+	/* Enable slot */
+	xenon_mmc_enable_slot(host, XENON_MMC_SLOT_ID_HYPERION);
+
+	/*
+	 * Set default power on SoC PHY PAD register (currently only
+	 * available on the Armada 3700)
+	 */
+	if (priv->pad_ctrl_reg)
+		armada_3700_soc_pad_voltage_set(host);
+
+	host->host_caps = MMC_MODE_HS | MMC_MODE_HS_52MHz | MMC_MODE_DDR_52MHz;
+	switch (fdtdec_get_int(gd->fdt_blob, dev->of_offset, "bus-width", 1)) {
+	case 8:
+		host->host_caps |= MMC_MODE_8BIT;
+		break;
+	case 4:
+		host->host_caps |= MMC_MODE_4BIT;
+		break;
+	case 1:
+		break;
+	default:
+		printf("Invalid \"bus-width\" value\n");
+		return -EINVAL;
+	}
+
+	host->ops = &xenon_sdhci_ops;
+
+	ret = sdhci_setup_cfg(&plat->cfg, host, XENON_MMC_MAX_CLK, 0);
+	if (ret)
+		return ret;
+
+	ret = sdhci_probe(dev);
+	if (ret)
+		return ret;
+
+	/* Enable parallel transfer */
+	xenon_mmc_enable_parallel_tran(host, XENON_MMC_SLOT_ID_HYPERION);
+
+	/* Disable tuning functionality of this slot */
+	xenon_mmc_disable_tuning(host, XENON_MMC_SLOT_ID_HYPERION);
+
+	/* Enable auto clock gating after init */
+	xenon_mmc_set_acg(host, true);
+
+	xenon_mask_cmd_conflict_err(host);
+
+	return ret;
+}
+
+static int xenon_sdhci_ofdata_to_platdata(struct udevice *dev)
+{
+	struct sdhci_host *host = dev_get_priv(dev);
+	struct xenon_sdhci_priv *priv = dev_get_priv(dev);
+	const char *name;
+
+	host->name = dev->name;
+	host->ioaddr = (void *)dev_get_addr(dev);
+
+	if (of_device_is_compatible(dev, "marvell,armada-3700-sdhci"))
+		priv->pad_ctrl_reg = (void *)dev_get_addr_index(dev, 1);
+
+	name = fdt_getprop(gd->fdt_blob, dev->of_offset, "marvell,pad-type",
+			   NULL);
+	if (name) {
+		if (0 == strncmp(name, "sd", 2)) {
+			priv->pad_type = SOC_PAD_SD;
+		} else if (0 == strncmp(name, "fixed-1-8v", 10)) {
+			priv->pad_type = SOC_PAD_FIXED_1_8V;
+		} else {
+			printf("Unsupported SOC PHY PAD ctrl type %s\n", name);
+			return -EINVAL;
+		}
+	}
+
+	return 0;
+}
+
+static int xenon_sdhci_bind(struct udevice *dev)
+{
+	struct xenon_sdhci_plat *plat = dev_get_platdata(dev);
+
+	return sdhci_bind(dev, &plat->mmc, &plat->cfg);
+}
+
+static const struct udevice_id xenon_sdhci_ids[] = {
+	{ .compatible = "marvell,armada-8k-sdhci",},
+	{ .compatible = "marvell,armada-3700-sdhci",},
+	{ }
+};
+
+U_BOOT_DRIVER(xenon_sdhci_drv) = {
+	.name		= "xenon_sdhci",
+	.id		= UCLASS_MMC,
+	.of_match	= xenon_sdhci_ids,
+	.ofdata_to_platdata = xenon_sdhci_ofdata_to_platdata,
+	.ops		= &sdhci_ops,
+	.bind		= xenon_sdhci_bind,
+	.probe		= xenon_sdhci_probe,
+	.priv_auto_alloc_size = sizeof(struct xenon_sdhci_priv),
+	.platdata_auto_alloc_size = sizeof(struct xenon_sdhci_plat),
+};

+ 3 - 0
include/configs/mvebu_armada-8k.h

@@ -114,6 +114,9 @@
 #define CONFIG_SYS_SCSI_MAX_DEVICE	(CONFIG_SYS_SCSI_MAX_SCSI_ID * \
 					 CONFIG_SYS_SCSI_MAX_LUN)
 
+/* MMC/SD IP block */
+#define CONFIG_GENERIC_MMC
+
 #define CONFIG_SUPPORT_VFAT
 
 /* DISK Partition support */

+ 3 - 0
include/configs/mvebu_db-88f3720.h

@@ -126,6 +126,9 @@
 #define CONFIG_SYS_SCSI_MAX_DEVICE	(CONFIG_SYS_SCSI_MAX_SCSI_ID * \
 					 CONFIG_SYS_SCSI_MAX_LUN)
 
+/* MMC/SD IP block */
+#define CONFIG_GENERIC_MMC
+
 #define CONFIG_SUPPORT_VFAT
 
 /* DISK Partition support */

+ 1 - 0
include/sdhci.h

@@ -235,6 +235,7 @@ struct sdhci_ops {
 #endif
 	int	(*get_cd)(struct sdhci_host *host);
 	void	(*set_control_reg)(struct sdhci_host *host);
+	void	(*set_ios_post)(struct sdhci_host *host);
 	void	(*set_clock)(struct sdhci_host *host, u32 div);
 };