board: tbs2910: Convert mmc to driver model

So we don't need to duplicate settings from the device tree in the board file.

Signed-off-by: Soeren Moch <smoch@web.de>
diff --git a/board/tbs/tbs2910/tbs2910.c b/board/tbs/tbs2910/tbs2910.c
index 84c813e..fb0e773 100644
--- a/board/tbs/tbs2910/tbs2910.c
+++ b/board/tbs/tbs2910/tbs2910.c
@@ -30,10 +30,6 @@
 	PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm |			\
 	PAD_CTL_SRE_FAST  | PAD_CTL_HYS)
 
-#define USDHC_PAD_CTRL (PAD_CTL_PUS_47K_UP |			\
-	PAD_CTL_SPEED_LOW | PAD_CTL_DSE_80ohm |			\
-	PAD_CTL_SRE_FAST  | PAD_CTL_HYS)
-
 #define ENET_PAD_CTRL  (PAD_CTL_PUS_100K_UP |			\
 	PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS)
 
@@ -103,110 +99,6 @@
 }
 
 #ifdef CONFIG_FSL_ESDHC
-static iomux_v3_cfg_t const usdhc2_pads[] = {
-	MX6_PAD_SD2_CLK__SD2_CLK     | MUX_PAD_CTRL(USDHC_PAD_CTRL),
-	MX6_PAD_SD2_CMD__SD2_CMD     | MUX_PAD_CTRL(USDHC_PAD_CTRL),
-	MX6_PAD_SD2_DAT0__SD2_DATA0  | MUX_PAD_CTRL(USDHC_PAD_CTRL),
-	MX6_PAD_SD2_DAT1__SD2_DATA1  | MUX_PAD_CTRL(USDHC_PAD_CTRL),
-	MX6_PAD_SD2_DAT2__SD2_DATA2  | MUX_PAD_CTRL(USDHC_PAD_CTRL),
-	MX6_PAD_SD2_DAT3__SD2_DATA3  | MUX_PAD_CTRL(USDHC_PAD_CTRL),
-	MX6_PAD_NANDF_D2__GPIO2_IO02 | MUX_PAD_CTRL(NO_PAD_CTRL), /* CD */
-};
-
-static iomux_v3_cfg_t const usdhc3_pads[] = {
-	MX6_PAD_SD3_CLK__SD3_CLK     | MUX_PAD_CTRL(USDHC_PAD_CTRL),
-	MX6_PAD_SD3_CMD__SD3_CMD     | MUX_PAD_CTRL(USDHC_PAD_CTRL),
-	MX6_PAD_SD3_DAT0__SD3_DATA0  | MUX_PAD_CTRL(USDHC_PAD_CTRL),
-	MX6_PAD_SD3_DAT1__SD3_DATA1  | MUX_PAD_CTRL(USDHC_PAD_CTRL),
-	MX6_PAD_SD3_DAT2__SD3_DATA2  | MUX_PAD_CTRL(USDHC_PAD_CTRL),
-	MX6_PAD_SD3_DAT3__SD3_DATA3  | MUX_PAD_CTRL(USDHC_PAD_CTRL),
-	MX6_PAD_NANDF_D0__GPIO2_IO00 | MUX_PAD_CTRL(NO_PAD_CTRL), /* CD */
-};
-
-static iomux_v3_cfg_t const usdhc4_pads[] = {
-	MX6_PAD_SD4_CLK__SD4_CLK    | MUX_PAD_CTRL(USDHC_PAD_CTRL),
-	MX6_PAD_SD4_CMD__SD4_CMD    | MUX_PAD_CTRL(USDHC_PAD_CTRL),
-	MX6_PAD_SD4_DAT0__SD4_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
-	MX6_PAD_SD4_DAT1__SD4_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
-	MX6_PAD_SD4_DAT2__SD4_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
-	MX6_PAD_SD4_DAT3__SD4_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
-	MX6_PAD_SD4_DAT4__SD4_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
-	MX6_PAD_SD4_DAT5__SD4_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
-	MX6_PAD_SD4_DAT6__SD4_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
-	MX6_PAD_SD4_DAT7__SD4_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
-};
-
-static 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)
-{
-	/*
-	 * (U-Boot device node)    (Physical Port)
-	 * mmc0                    SD2
-	 * mmc1                    SD3
-	 * mmc2                    eMMC
-	 */
-	int i, ret;
-	for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) {
-		switch (i) {
-		case 0:
-			imx_iomux_v3_setup_multiple_pads(
-				usdhc2_pads, ARRAY_SIZE(usdhc2_pads));
-			gpio_request(USDHC2_CD_GPIO, "MMC0_CD");
-			gpio_direction_input(USDHC2_CD_GPIO);
-			usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
-			break;
-		case 1:
-			imx_iomux_v3_setup_multiple_pads(
-				usdhc3_pads, ARRAY_SIZE(usdhc3_pads));
-			gpio_request(USDHC3_CD_GPIO, "MMC1_CD");
-			gpio_direction_input(USDHC3_CD_GPIO);
-			usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
-			break;
-		case 2:
-			imx_iomux_v3_setup_multiple_pads(
-				usdhc4_pads, ARRAY_SIZE(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;
-}
-
 /* set environment device to boot device when booting from SD */
 int board_mmc_get_env_dev(int devno)
 {
diff --git a/configs/tbs2910_defconfig b/configs/tbs2910_defconfig
index 54e34df..4d755c8 100644
--- a/configs/tbs2910_defconfig
+++ b/configs/tbs2910_defconfig
@@ -46,6 +46,7 @@
 CONFIG_DM_I2C=y
 CONFIG_SYS_I2C_MXC=y
 CONFIG_DM_KEYBOARD=y
+CONFIG_DM_MMC=y
 CONFIG_FSL_ESDHC=y
 CONFIG_PHYLIB=y
 CONFIG_MII=y
diff --git a/include/configs/tbs2910.h b/include/configs/tbs2910.h
index a211b9d..f31cadd 100644
--- a/include/configs/tbs2910.h
+++ b/include/configs/tbs2910.h
@@ -40,13 +40,6 @@
 #define CONFIG_MXC_UART
 #define CONFIG_MXC_UART_BASE		UART1_BASE /* select UART1/UART2 */
 
-/* Filesystems / image support */
-
-/* MMC */
-#define CONFIG_SYS_FSL_USDHC_NUM	3
-#define CONFIG_SYS_FSL_ESDHC_ADDR	USDHC4_BASE_ADDR
-#define CONFIG_SUPPORT_EMMC_BOOT
-
 /* Ethernet */
 #define CONFIG_FEC_MXC
 #define CONFIG_FEC_MXC