[U-Boot] [patch v2 12/13] imx: mx6sabresd: enable dm drivers

9 Aug 2017

Enable DM MMC/I2C/PMIC/GPIO/REGULATOR.
Signed-off-by: Peng Fan peng.fan@nxp.com
Cc: Fabio Estevam fabio.estevam@nxp.com
Cc: Stefano Babic sbabic@denx.de
---
 board/freescale/mx6sabresd/mx6sabresd.c | 326 +++++++++++++-------------------
 configs/mx6sabresd_defconfig            |  15 ++
 include/configs/mx6sabresd.h            |  15 +-
 3 files changed, 146 insertions(+), 210 deletions(-)

diff --git a/board/freescale/mx6sabresd/mx6sabresd.c b/board/freescale/mx6sabresd/mx6sabresd.c
index ff99a30..845b5b5 100644
--- a/board/freescale/mx6sabresd/mx6sabresd.c
+++ b/board/freescale/mx6sabresd/mx6sabresd.c
@@ -12,7 +12,6 @@
 #include <asm/arch/mx6-pins.h>
 #include <linux/errno.h>
 #include <asm/gpio.h>
-#include <asm/mach-imx/mxc_i2c.h>
 #include <asm/mach-imx/iomux-v3.h>
 #include <asm/mach-imx/boot_mode.h>
 #include <asm/mach-imx/video.h>
@@ -24,7 +23,6 @@
 #include <asm/arch/crm_regs.h>
 #include <asm/io.h>
 #include <asm/arch/sys_proto.h>
-#include <i2c.h>
 #include <power/pmic.h>
 #include <power/pfuze100_pmic.h>
 #include "../common/pfuze.h"
@@ -46,14 +44,6 @@ DECLARE_GLOBAL_DATA_PTR;
 #define SPI_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_SPEED_MED | \
    	      PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST)
-#define I2C_PAD_CTRL  (PAD_CTL_PUS_100K_UP |			\
-	PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS |	\
-	PAD_CTL_ODE | PAD_CTL_SRE_FAST)
-
-#define I2C_PMIC	1
-
-#define I2C_PAD MUX_PAD_CTRL(I2C_PAD_CTRL)
-
 #define DISP0_PWR_EN	IMX_GPIO_NR(1, 21)
#define KEY_VOL_UP	IMX_GPIO_NR(1, 4)
@@ -93,6 +83,7 @@ static void setup_iomux_enet(void)
 {
    SETUP_IOMUX_PADS(enet_pads);
+	gpio_request(IMX_GPIO_NR(1, 25), "phy_rst");
    /* Reset AR8031 PHY */
    gpio_direction_output(IMX_GPIO_NR(1, 25) , 0);
    mdelay(10);
@@ -100,47 +91,6 @@ static void setup_iomux_enet(void)
    udelay(100);
 }
-static iomux_v3_cfg_t const usdhc2_pads[] = {
-	IOMUX_PADS(PAD_SD2_CLK__SD2_CLK	| MUX_PAD_CTRL(USDHC_PAD_CTRL)),
-	IOMUX_PADS(PAD_SD2_CMD__SD2_CMD	| MUX_PAD_CTRL(USDHC_PAD_CTRL)),
-	IOMUX_PADS(PAD_SD2_DAT0__SD2_DATA0	| MUX_PAD_CTRL(USDHC_PAD_CTRL)),
-	IOMUX_PADS(PAD_SD2_DAT1__SD2_DATA1	| MUX_PAD_CTRL(USDHC_PAD_CTRL)),
-	IOMUX_PADS(PAD_SD2_DAT2__SD2_DATA2	| MUX_PAD_CTRL(USDHC_PAD_CTRL)),
-	IOMUX_PADS(PAD_SD2_DAT3__SD2_DATA3	| MUX_PAD_CTRL(USDHC_PAD_CTRL)),
-	IOMUX_PADS(PAD_NANDF_D4__SD2_DATA4	| MUX_PAD_CTRL(USDHC_PAD_CTRL)),
-	IOMUX_PADS(PAD_NANDF_D5__SD2_DATA5	| MUX_PAD_CTRL(USDHC_PAD_CTRL)),
-	IOMUX_PADS(PAD_NANDF_D6__SD2_DATA6	| MUX_PAD_CTRL(USDHC_PAD_CTRL)),
-	IOMUX_PADS(PAD_NANDF_D7__SD2_DATA7	| MUX_PAD_CTRL(USDHC_PAD_CTRL)),
-	IOMUX_PADS(PAD_NANDF_D2__GPIO2_IO02	| MUX_PAD_CTRL(NO_PAD_CTRL)), /* CD */
-};
-
-static iomux_v3_cfg_t const usdhc3_pads[] = {
-	IOMUX_PADS(PAD_SD3_CLK__SD3_CLK   | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
-	IOMUX_PADS(PAD_SD3_CMD__SD3_CMD   | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
-	IOMUX_PADS(PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
-	IOMUX_PADS(PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
-	IOMUX_PADS(PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
-	IOMUX_PADS(PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
-	IOMUX_PADS(PAD_SD3_DAT4__SD3_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
-	IOMUX_PADS(PAD_SD3_DAT5__SD3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
-	IOMUX_PADS(PAD_SD3_DAT6__SD3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
-	IOMUX_PADS(PAD_SD3_DAT7__SD3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
-	IOMUX_PADS(PAD_NANDF_D0__GPIO2_IO00    | MUX_PAD_CTRL(NO_PAD_CTRL)), /* CD */
-};
-
-static iomux_v3_cfg_t const usdhc4_pads[] = {
-	IOMUX_PADS(PAD_SD4_CLK__SD4_CLK   | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
-	IOMUX_PADS(PAD_SD4_CMD__SD4_CMD   | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
-	IOMUX_PADS(PAD_SD4_DAT0__SD4_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
-	IOMUX_PADS(PAD_SD4_DAT1__SD4_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
-	IOMUX_PADS(PAD_SD4_DAT2__SD4_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
-	IOMUX_PADS(PAD_SD4_DAT3__SD4_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
-	IOMUX_PADS(PAD_SD4_DAT4__SD4_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
-	IOMUX_PADS(PAD_SD4_DAT5__SD4_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
-	IOMUX_PADS(PAD_SD4_DAT6__SD4_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
-	IOMUX_PADS(PAD_SD4_DAT7__SD4_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
-};
-
 static iomux_v3_cfg_t const ecspi1_pads[] = {
    IOMUX_PADS(PAD_KEY_COL0__ECSPI1_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL)),
    IOMUX_PADS(PAD_KEY_COL1__ECSPI1_MISO | MUX_PAD_CTRL(SPI_PAD_CTRL)),
@@ -187,6 +137,7 @@ static iomux_v3_cfg_t const bl_pads[] = {
 static void enable_backlight(void)
 {
    SETUP_IOMUX_PADS(bl_pads);
+	gpio_request(DISP0_PWR_EN, "disp0_pwr_en");
    gpio_direction_output(DISP0_PWR_EN, 1);
 }
@@ -201,32 +152,6 @@ static void enable_lvds(struct display_info_t const *dev)
    enable_backlight();
 }
-static struct i2c_pads_info mx6q_i2c_pad_info1 = {
-	.scl = {
-		.i2c_mode = MX6Q_PAD_KEY_COL3__I2C2_SCL | I2C_PAD,
-		.gpio_mode = MX6Q_PAD_KEY_COL3__GPIO4_IO12 | I2C_PAD,
-		.gp = IMX_GPIO_NR(4, 12)
-	},
-	.sda = {
-		.i2c_mode = MX6Q_PAD_KEY_ROW3__I2C2_SDA | I2C_PAD,
-		.gpio_mode = MX6Q_PAD_KEY_ROW3__GPIO4_IO13 | I2C_PAD,
-		.gp = IMX_GPIO_NR(4, 13)
-	}
-};
-
-static struct i2c_pads_info mx6dl_i2c_pad_info1 = {
-	.scl = {
-		.i2c_mode = MX6DL_PAD_KEY_COL3__I2C2_SCL | I2C_PAD,
-		.gpio_mode = MX6DL_PAD_KEY_COL3__GPIO4_IO12 | I2C_PAD,
-		.gp = IMX_GPIO_NR(4, 12)
-	},
-	.sda = {
-		.i2c_mode = MX6DL_PAD_KEY_ROW3__I2C2_SDA | I2C_PAD,
-		.gpio_mode = MX6DL_PAD_KEY_ROW3__GPIO4_IO13 | I2C_PAD,
-		.gp = IMX_GPIO_NR(4, 13)
-	}
-};
-
 static void setup_spi(void)
 {
    SETUP_IOMUX_PADS(ecspi1_pads);
@@ -253,121 +178,11 @@ static void setup_iomux_uart(void)
    SETUP_IOMUX_PADS(uart1_pads);
 }
-#ifdef CONFIG_FSL_ESDHC
-struct fsl_esdhc_cfg usdhc_cfg[3] = {
-	{USDHC2_BASE_ADDR},
-	{USDHC3_BASE_ADDR},
-	{USDHC4_BASE_ADDR},
-};
-
-#define USDHC2_CD_GPIO	IMX_GPIO_NR(2, 2)
-#define USDHC3_CD_GPIO	IMX_GPIO_NR(2, 0)
-
 int board_mmc_get_env_dev(int devno)
 {
    return devno - 1;
 }
-int board_mmc_getcd(struct mmc *mmc)
-{
-	struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
-	int ret = 0;
-
-	switch (cfg->esdhc_base) {
-	case USDHC2_BASE_ADDR:
-		ret = !gpio_get_value(USDHC2_CD_GPIO);
-		break;
-	case USDHC3_BASE_ADDR:
-		ret = !gpio_get_value(USDHC3_CD_GPIO);
-		break;
-	case USDHC4_BASE_ADDR:
-		ret = 1; /* eMMC/uSDHC4 is always present */
-		break;
-	}
-
-	return ret;
-}
-
-int board_mmc_init(bd_t *bis)
-{
-#ifndef CONFIG_SPL_BUILD
-	int ret;
-	int i;
-
-	/*
-	 * According to the board_mmc_init() the following map is done:
-	 * (U-Boot device node)    (Physical Port)
-	 * mmc0                    SD2
-	 * mmc1                    SD3
-	 * mmc2                    eMMC
-	 */
-	for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) {
-		switch (i) {
-		case 0:
-			SETUP_IOMUX_PADS(usdhc2_pads);
-			gpio_direction_input(USDHC2_CD_GPIO);
-			usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
-			break;
-		case 1:
-			SETUP_IOMUX_PADS(usdhc3_pads);
-			gpio_direction_input(USDHC3_CD_GPIO);
-			usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
-			break;
-		case 2:
-			SETUP_IOMUX_PADS(usdhc4_pads);
-			usdhc_cfg[2].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK);
-			break;
-		default:
-			printf("Warning: you configured more USDHC controllers"
-			       "(%d) then supported by the board (%d)\n",
-			       i + 1, CONFIG_SYS_FSL_USDHC_NUM);
-			return -EINVAL;
-		}
-
-		ret = fsl_esdhc_initialize(bis, &usdhc_cfg[i]);
-		if (ret)
-			return ret;
-	}
-
-	return 0;
-#else
-	struct src *psrc = (struct src *)SRC_BASE_ADDR;
-	unsigned reg = readl(&psrc->sbmr1) >> 11;
-	/*
-	 * Upon reading BOOT_CFG register the following map is done:
-	 * Bit 11 and 12 of BOOT_CFG register can determine the current
-	 * mmc port
-	 * 0x1                  SD1
-	 * 0x2                  SD2
-	 * 0x3                  SD4
-	 */
-
-	switch (reg & 0x3) {
-	case 0x1:
-		SETUP_IOMUX_PADS(usdhc2_pads);
-		usdhc_cfg[0].esdhc_base = USDHC2_BASE_ADDR;
-		usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
-		gd->arch.sdhc_clk = usdhc_cfg[0].sdhc_clk;
-		break;
-	case 0x2:
-		SETUP_IOMUX_PADS(usdhc3_pads);
-		usdhc_cfg[0].esdhc_base = USDHC3_BASE_ADDR;
-		usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
-		gd->arch.sdhc_clk = usdhc_cfg[0].sdhc_clk;
-		break;
-	case 0x3:
-		SETUP_IOMUX_PADS(usdhc4_pads);
-		usdhc_cfg[0].esdhc_base = USDHC4_BASE_ADDR;
-		usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK);
-		gd->arch.sdhc_clk = usdhc_cfg[0].sdhc_clk;
-		break;
-	}
-
-	return fsl_esdhc_initialize(bis, &usdhc_cfg[0]);
-#endif
-}
-#endif
-
 static int ar8031_phy_fixup(struct phy_device *phydev)
 {
    unsigned short val;
@@ -580,6 +395,8 @@ static void setup_usb(void)
    imx_iomux_set_gpr_register(1, 13, 1, 0);
SETUP_IOMUX_PADS(usb_hc1_pads);
+
+	gpio_request(IMX_GPIO_NR(1, 29), "usb1");
 }
int board_ehci_hcd_init(int port)
@@ -632,13 +449,13 @@ int board_init(void)
    /* address of boot parameters */
    gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
+	gpio_request(IMX_GPIO_NR(3, 19), "pcie_power");
+	gpio_request(IMX_GPIO_NR(7, 12), "pcie_reset");
+
 #ifdef CONFIG_MXC_SPI
    setup_spi();
 #endif
-	if (is_mx6dq() || is_mx6dqp())
-		setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &mx6q_i2c_pad_info1);
-	else
-		setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &mx6dl_i2c_pad_info1);
+
 #ifdef CONFIG_USB_EHCI_MX6
    setup_usb();
 #endif
@@ -646,34 +463,36 @@ int board_init(void)
    return 0;
 }
+#ifndef CONFIG_SPL_BUILD
 int power_init_board(void)
 {
-	struct pmic *p;
+	struct udevice *dev;
    unsigned int reg;
    int ret;
-	p = pfuze_common_init(I2C_PMIC);
-	if (!p)
+	dev = pfuze_common_init();
+	if (!dev)
    	return -ENODEV;
-	ret = pfuze_mode_init(p, APS_PFM);
+	ret = pfuze_mode_init(dev, APS_PFM);
    if (ret < 0)
    	return ret;
/* Increase VGEN3 from 2.5 to 2.8V */
-	pmic_reg_read(p, PFUZE100_VGEN3VOL, &reg);
+	reg = pmic_reg_read(dev, PFUZE100_VGEN3VOL);
    reg &= ~LDO_VOL_MASK;
    reg |= LDOB_2_80V;
-	pmic_reg_write(p, PFUZE100_VGEN3VOL, reg);
+	pmic_reg_write(dev, PFUZE100_VGEN3VOL, reg);
/* Increase VGEN5 from 2.8 to 3V */
-	pmic_reg_read(p, PFUZE100_VGEN5VOL, &reg);
+	reg = pmic_reg_read(dev, PFUZE100_VGEN5VOL);
    reg &= ~LDO_VOL_MASK;
    reg |= LDOB_3_00V;
-	pmic_reg_write(p, PFUZE100_VGEN5VOL, reg);
+	pmic_reg_write(dev, PFUZE100_VGEN5VOL, reg);
return 0;
 }
+#endif
#ifdef CONFIG_MXC_SPI
 int board_spi_cs_gpio(unsigned bus, unsigned cs)
@@ -747,6 +566,115 @@ int board_fit_config_name_match(const char *name)
 }
 #endif
+#ifdef CONFIG_FSL_ESDHC
+static iomux_v3_cfg_t const usdhc2_pads[] = {
+	IOMUX_PADS(PAD_SD2_CLK__SD2_CLK	| MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+	IOMUX_PADS(PAD_SD2_CMD__SD2_CMD	| MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+	IOMUX_PADS(PAD_SD2_DAT0__SD2_DATA0	| MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+	IOMUX_PADS(PAD_SD2_DAT1__SD2_DATA1	| MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+	IOMUX_PADS(PAD_SD2_DAT2__SD2_DATA2	| MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+	IOMUX_PADS(PAD_SD2_DAT3__SD2_DATA3	| MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+	IOMUX_PADS(PAD_NANDF_D4__SD2_DATA4	| MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+	IOMUX_PADS(PAD_NANDF_D5__SD2_DATA5	| MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+	IOMUX_PADS(PAD_NANDF_D6__SD2_DATA6	| MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+	IOMUX_PADS(PAD_NANDF_D7__SD2_DATA7	| MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+	IOMUX_PADS(PAD_NANDF_D2__GPIO2_IO02	| MUX_PAD_CTRL(NO_PAD_CTRL)), /* CD */
+};
+
+static iomux_v3_cfg_t const usdhc3_pads[] = {
+	IOMUX_PADS(PAD_SD3_CLK__SD3_CLK   | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+	IOMUX_PADS(PAD_SD3_CMD__SD3_CMD   | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+	IOMUX_PADS(PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+	IOMUX_PADS(PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+	IOMUX_PADS(PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+	IOMUX_PADS(PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+	IOMUX_PADS(PAD_SD3_DAT4__SD3_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+	IOMUX_PADS(PAD_SD3_DAT5__SD3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+	IOMUX_PADS(PAD_SD3_DAT6__SD3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+	IOMUX_PADS(PAD_SD3_DAT7__SD3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+	IOMUX_PADS(PAD_NANDF_D0__GPIO2_IO00    | MUX_PAD_CTRL(NO_PAD_CTRL)), /* CD */
+};
+
+static iomux_v3_cfg_t const usdhc4_pads[] = {
+	IOMUX_PADS(PAD_SD4_CLK__SD4_CLK   | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+	IOMUX_PADS(PAD_SD4_CMD__SD4_CMD   | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+	IOMUX_PADS(PAD_SD4_DAT0__SD4_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+	IOMUX_PADS(PAD_SD4_DAT1__SD4_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+	IOMUX_PADS(PAD_SD4_DAT2__SD4_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+	IOMUX_PADS(PAD_SD4_DAT3__SD4_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+	IOMUX_PADS(PAD_SD4_DAT4__SD4_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+	IOMUX_PADS(PAD_SD4_DAT5__SD4_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+	IOMUX_PADS(PAD_SD4_DAT6__SD4_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+	IOMUX_PADS(PAD_SD4_DAT7__SD4_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+};
+
+struct fsl_esdhc_cfg usdhc_cfg[3] = {
+	{USDHC2_BASE_ADDR},
+	{USDHC3_BASE_ADDR},
+	{USDHC4_BASE_ADDR},
+};
+
+#define USDHC2_CD_GPIO	IMX_GPIO_NR(2, 2)
+#define USDHC3_CD_GPIO	IMX_GPIO_NR(2, 0)
+
+int board_mmc_getcd(struct mmc *mmc)
+{
+	struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
+	int ret = 0;
+
+	switch (cfg->esdhc_base) {
+	case USDHC2_BASE_ADDR:
+		ret = !gpio_get_value(USDHC2_CD_GPIO);
+		break;
+	case USDHC3_BASE_ADDR:
+		ret = !gpio_get_value(USDHC3_CD_GPIO);
+		break;
+	case USDHC4_BASE_ADDR:
+		ret = 1; /* eMMC/uSDHC4 is always present */
+		break;
+	}
+
+	return ret;
+}
+
+int board_mmc_init(bd_t *bis)
+{
+	struct src *psrc = (struct src *)SRC_BASE_ADDR;
+	unsigned reg = readl(&psrc->sbmr1) >> 11;
+	/*
+	 * Upon reading BOOT_CFG register the following map is done:
+	 * Bit 11 and 12 of BOOT_CFG register can determine the current
+	 * mmc port
+	 * 0x1                  SD1
+	 * 0x2                  SD2
+	 * 0x3                  SD4
+	 */
+
+	switch (reg & 0x3) {
+	case 0x1:
+		SETUP_IOMUX_PADS(usdhc2_pads);
+		usdhc_cfg[0].esdhc_base = USDHC2_BASE_ADDR;
+		usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
+		gd->arch.sdhc_clk = usdhc_cfg[0].sdhc_clk;
+		break;
+	case 0x2:
+		SETUP_IOMUX_PADS(usdhc3_pads);
+		usdhc_cfg[0].esdhc_base = USDHC3_BASE_ADDR;
+		usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
+		gd->arch.sdhc_clk = usdhc_cfg[0].sdhc_clk;
+		break;
+	case 0x3:
+		SETUP_IOMUX_PADS(usdhc4_pads);
+		usdhc_cfg[0].esdhc_base = USDHC4_BASE_ADDR;
+		usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK);
+		gd->arch.sdhc_clk = usdhc_cfg[0].sdhc_clk;
+		break;
+	}
+
+	return fsl_esdhc_initialize(bis, &usdhc_cfg[0]);
+}
+#endif
+
 static void ccgr_init(void)
 {
    struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
diff --git a/configs/mx6sabresd_defconfig b/configs/mx6sabresd_defconfig
index be3a18c..7ec158f 100644
--- a/configs/mx6sabresd_defconfig
+++ b/configs/mx6sabresd_defconfig
@@ -37,6 +37,8 @@ CONFIG_CMD_DHCP=y
 CONFIG_CMD_MII=y
 CONFIG_CMD_PING=y
 CONFIG_CMD_CACHE=y
+CONFIG_CMD_PMIC=y
+CONFIG_CMD_REGULATOR=y
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_EXT4=y
 CONFIG_CMD_EXT4_WRITE=y
@@ -44,10 +46,23 @@ CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
 CONFIG_OF_CONTROL=y
 CONFIG_OF_LIST="imx6q-sabresd imx6dl-sabresd imx6qp-sabresd"
+# CONFIG_BLK is not set
+CONFIG_DM_GPIO=y
+CONFIG_DM_I2C=y
+CONFIG_DM_MMC=y
+# CONFIG_DM_MMC_OPS is not set
 CONFIG_SPI_FLASH=y
 CONFIG_SPI_FLASH_STMICRO=y
 CONFIG_PHYLIB=y
 CONFIG_PCI=y
+CONFIG_PINCTRL=y
+CONFIG_PINCTRL_IMX6=y
+CONFIG_DM_PMIC=y
+CONFIG_DM_PMIC_PFUZE100=y
+CONFIG_DM_REGULATOR=y
+CONFIG_DM_REGULATOR_PFUZE100=y
+CONFIG_DM_REGULATOR_FIXED=y
+CONFIG_DM_REGULATOR_GPIO=y
 CONFIG_USB=y
 CONFIG_USB_STORAGE=y
 CONFIG_USB_GADGET=y
diff --git a/include/configs/mx6sabresd.h b/include/configs/mx6sabresd.h
index 27e7672..95e1666 100644
--- a/include/configs/mx6sabresd.h
+++ b/include/configs/mx6sabresd.h
@@ -46,20 +46,9 @@
 #define CONFIG_PCIE_IMX_POWER_GPIO	IMX_GPIO_NR(3, 19)
 #endif
-/* I2C Configs */
-#define CONFIG_SYS_I2C
 #define CONFIG_SYS_I2C_MXC
-#define CONFIG_SYS_I2C_MXC_I2C1		/* enable I2C bus 1 */
-#define CONFIG_SYS_I2C_MXC_I2C2		/* enable I2C bus 2 */
-#define CONFIG_SYS_I2C_MXC_I2C3		/* enable I2C bus 3 */
 #define CONFIG_SYS_I2C_SPEED		  100000
-/* PMIC */
-#define CONFIG_POWER
-#define CONFIG_POWER_I2C
-#define CONFIG_POWER_PFUZE100
-#define CONFIG_POWER_PFUZE100_I2C_ADDR	0x08
-
 /* USB Configs */
 #ifdef CONFIG_CMD_USB
 #define CONFIG_EHCI_HCD_INIT_AFTER_RESET
@@ -70,4 +59,8 @@
 #define CONFIG_USB_MAX_CONTROLLER_COUNT	1 /* Enabled USB controller number */
 #endif
+#ifdef CONFIG_SPL_BUILD
+#undef CONFIG_SYS_I2C_MXC
+#endif
+
 #endif                         /* __MX6SABRESD_CONFIG_H */
-- 
2.6.2


    