ARM: imx: vining2000: Enable DM Serial

Enable DM Serial support on iMX6SX VINING|2000.
Signed-off-by: NMarek Vasut <marex@denx.de>
Cc: Fabio Estevam <fabio.estevam@nxp.com>
Cc: Silvio Fricke <silvio.fricke@softing.com>
Cc: Stefano Babic <sbabic@denx.de>

board/softing/vining_2000/vining_2000.c

@@ -71,11 +71,6 @@ int dram_init(void)
 	return 0;
 }
 
-static iomux_v3_cfg_t const uart1_pads[] = {
-	MX6_PAD_GPIO1_IO04__UART1_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
-	MX6_PAD_GPIO1_IO05__UART1_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
-};
-
 static iomux_v3_cfg_t const fec1_pads[] = {
 	MX6_PAD_ENET1_MDC__ENET1_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL),
 	MX6_PAD_ENET1_MDIO__ENET1_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL),
@@ -97,11 +92,6 @@ static iomux_v3_cfg_t const pwm_led_pads[] = {
 	MX6_PAD_RGMII2_RD3__PWM1_OUT | MUX_PAD_CTRL(NO_PAD_CTRL), /* blue */
 };
 
-static void setup_iomux_uart(void)
-{
-	imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
-}
-
 #define PHY_RESET IMX_GPIO_NR(5, 9)
 
 int board_eth_init(bd_t *bis)
@@ -419,8 +409,6 @@ int board_late_init(void)
 
 int board_early_init_f(void)
 {
-	setup_iomux_uart();
-
 	setup_iomux_usb();
 
 	return 0;

configs/vining_2000_defconfig

@@ -49,6 +49,9 @@ CONFIG_PCI=y
 CONFIG_DM_PCI=y
 CONFIG_PINCTRL=y
 CONFIG_PINCTRL_IMX6=y
+CONFIG_SPECIFY_CONSOLE_INDEX=y
+CONFIG_DM_SERIAL=y
+CONFIG_MXC_UART=y
 CONFIG_USB=y
 CONFIG_DM_USB=y
 CONFIG_USB_STORAGE=y

include/configs/vining_2000.h

@@ -17,9 +17,6 @@
 /* Size of malloc() pool */
 #define CONFIG_SYS_MALLOC_LEN		(3 * SZ_1M)
 
-#define CONFIG_MXC_UART
-#define CONFIG_MXC_UART_BASE		UART1_BASE
-
 #define BOOT_TARGET_DEVICES(func) \
 	func(MMC, mmc, 0) \
 	func(MMC, mmc, 1) \