board: ge: bx50v3: Enable CONFIG_DM_MMC

Use MMC device model, and remove USDHC pin configuration code since the
pinctrl driver is used.

Signed-off-by: Ian Ray <ian.ray@ge.com>

4 files changed, 52 insertions, 118 deletions

diff --git a/arch/arm/dts/imx6q-bx50v3.dts b/arch/arm/dts/imx6q-bx50v3.dts
index 10b12998cd..0fff2195f9 100644
--- a/arch/arm/dts/imx6q-bx50v3.dts
+++ b/arch/arm/dts/imx6q-bx50v3.dts
@@ -13,3 +13,50 @@
 	model = "General Electric Bx50v3";
 	compatible = "ge,imx6q-bx50v3", "advantech,imx6q-ba16", "fsl,imx6q";
 };
+
+&iomuxc {
+	pinctrl-names = "default";
+
+	pinctrl_usdhc3: usdhc3grp {
+		fsl,pins = <
+			MX6QDL_PAD_SD3_CMD__SD3_CMD	0x17059
+			MX6QDL_PAD_SD3_CLK__SD3_CLK	0x10059
+			MX6QDL_PAD_SD3_DAT0__SD3_DATA0	0x17059
+			MX6QDL_PAD_SD3_DAT1__SD3_DATA1	0x17059
+			MX6QDL_PAD_SD3_DAT2__SD3_DATA2	0x17059
+			MX6QDL_PAD_SD3_DAT3__SD3_DATA3	0x17059
+			MX6QDL_PAD_SD3_DAT4__SD3_DATA4	0x17059
+			MX6QDL_PAD_SD3_DAT5__SD3_DATA5	0x17059
+			MX6QDL_PAD_SD3_DAT6__SD3_DATA6	0x17059
+			MX6QDL_PAD_SD3_DAT7__SD3_DATA7	0x17059
+		>;
+	};
+
+	pinctrl_usdhc3_reset: usdhc3grp-reset {
+		fsl,pins = <
+			MX6QDL_PAD_SD3_RST__SD3_RESET   0x170F9
+		>;
+	};
+};
+
+&usdhc1 {
+	status = "disabled";
+};
+
+&usdhc2 {
+	status = "disabled";
+};
+
+/* eMMC */
+&usdhc3 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_usdhc3 &pinctrl_usdhc3_reset>;
+	bus-width = <8>;
+	non-removable;
+	keep-power-in-suspend;
+	status = "okay";
+};
+
+&usdhc4 {
+	status = "disabled";
+};
diff --git a/board/ge/bx50v3/bx50v3.c b/board/ge/bx50v3/bx50v3.c
index 079d302fbe..fe3fa274d4 100644
--- a/board/ge/bx50v3/bx50v3.c
+++ b/board/ge/bx50v3/bx50v3.c
@@ -44,10 +44,6 @@ static struct vpd_cache vpd;
 	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_PUE |	\
 	PAD_CTL_SPEED_HIGH | PAD_CTL_DSE_48ohm | PAD_CTL_SRE_FAST)
 
@@ -116,45 +112,6 @@ static void setup_iomux_enet(void)
 	mdelay(1);
 }
 
-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_GPIO_4__GPIO1_IO04	| MUX_PAD_CTRL(NO_PAD_CTRL),
-};
-
-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_RST__SD3_RESET | 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_SD3_DAT4__SD3_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
-	MX6_PAD_SD3_DAT5__SD3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
-	MX6_PAD_SD3_DAT6__SD3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
-	MX6_PAD_SD3_DAT7__SD3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
-};
-
-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),
-	MX6_PAD_NANDF_CS0__GPIO6_IO11 | MUX_PAD_CTRL(NO_PAD_CTRL),
-	MX6_PAD_NANDF_CS1__GPIO6_IO14 | MUX_PAD_CTRL(NO_PAD_CTRL),
-};
-
 static iomux_v3_cfg_t const ecspi1_pads[] = {
 	MX6_PAD_EIM_D16__ECSPI1_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL),
 	MX6_PAD_EIM_D17__ECSPI1_MISO | MUX_PAD_CTRL(SPI_PAD_CTRL),
@@ -229,76 +186,6 @@ static void setup_iomux_uart(void)
 	imx_iomux_v3_setup_multiple_pads(uart4_pads, ARRAY_SIZE(uart4_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(1, 4)
-#define USDHC4_CD_GPIO	IMX_GPIO_NR(6, 11)
-
-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 = 1; /* eMMC is always present */
-		break;
-	case USDHC4_BASE_ADDR:
-		ret = !gpio_get_value(USDHC4_CD_GPIO);
-		break;
-	}
-
-	return ret;
-}
-
-int board_mmc_init(bd_t *bis)
-{
-	int ret;
-	int i;
-
-	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_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));
-			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));
-			gpio_direction_input(USDHC4_CD_GPIO);
-			usdhc_cfg[2].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK);
-			break;
-		default:
-			printf("Warning: you configured more USDHC controllers\n"
-			       "(%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;
-}
-#endif
-
 static int mx6_rgmii_rework(struct phy_device *phydev)
 {
 	/* Configure AR8033 to ouput a 125MHz clk from CLK_25M */
diff --git a/configs/ge_bx50v3_defconfig b/configs/ge_bx50v3_defconfig
index a883f658b9..b0f5c1f9a6 100644
--- a/configs/ge_bx50v3_defconfig
+++ b/configs/ge_bx50v3_defconfig
@@ -54,3 +54,7 @@ CONFIG_DM=y
 CONFIG_CMD_DM=y
 CONFIG_OF_CONTROL=y
 CONFIG_DEFAULT_DEVICE_TREE="imx6q-bx50v3"
+CONFIG_DM_MMC=y
+CONFIG_BLK=y
+CONFIG_PINCTRL=y
+CONFIG_PINCTRL_IMX6=y
diff --git a/include/configs/ge_bx50v3.h b/include/configs/ge_bx50v3.h
index 3336578071..bb3c65efc7 100644
--- a/include/configs/ge_bx50v3.h
+++ b/include/configs/ge_bx50v3.h
@@ -45,10 +45,6 @@
 #define CONFIG_LBA48
 #endif
 
-/* MMC Configs */
-#define CONFIG_FSL_USDHC
-#define CONFIG_SYS_FSL_ESDHC_ADDR      0
-
 /* USB Configs */
 #ifdef CONFIG_USB
 #define CONFIG_USB_MAX_CONTROLLER_COUNT 2
@@ -82,7 +78,7 @@
 	"image=/boot/fitImage\0" \
 	"fdt_high=0xffffffff\0" \
 	"dev=mmc\0" \
-	"devnum=1\0" \
+	"devnum=2\0" \
 	"rootdev=mmcblk0p\0" \
 	"quiet=quiet loglevel=0\0" \
 	"console=" CONSOLE_DEV "\0" \