[PATCH V2 10/14] imx: kontron-sl-mx8mm: enable DM_SERIAL

[Peng Fan (OSS)]

From: Peng Fan <peng.fan at nxp.com>

Enable CONFIG_DM_SERIAL. uart and its pinmux was already
marked with u-boot,dm-spl.
Move preloader_console_init after spl_init to make sure driver
model work.

Signed-off-by: Peng Fan <peng.fan at nxp.com>
Acked-by: Frieder Schrempf <frieder.schrempf at kontron.de>
Reviewed-by: Fabio Estevam <festevam at denx.de>
---
 board/kontron/sl-mx8mm/spl.c       | 12 ++----------
 configs/kontron-sl-mx8mm_defconfig |  1 +
 include/configs/kontron-sl-mx8mm.h |  1 -
 3 files changed, 3 insertions(+), 11 deletions(-)

diff --git a/board/kontron/sl-mx8mm/spl.c b/board/kontron/sl-mx8mm/spl.c
index 4ef03c8c172..a58a75dc958 100644
--- a/board/kontron/sl-mx8mm/spl.c
+++ b/board/kontron/sl-mx8mm/spl.c
@@ -32,7 +32,6 @@ enum {
 
 #define GPIO_PAD_CTRL	(PAD_CTL_DSE6 | PAD_CTL_ODE | PAD_CTL_PUE | PAD_CTL_PE)
 #define I2C_PAD_CTRL	(PAD_CTL_DSE6 | PAD_CTL_HYS | PAD_CTL_PUE)
-#define UART_PAD_CTRL	(PAD_CTL_DSE6 | PAD_CTL_FSEL1)
 #define WDOG_PAD_CTRL	(PAD_CTL_DSE6 | PAD_CTL_ODE | PAD_CTL_PUE | PAD_CTL_PE)
 
 #define TOUCH_RESET_GPIO	IMX_GPIO_NR(3, 23)
@@ -51,11 +50,6 @@ static iomux_v3_cfg_t const touch_gpio[] = {
 	IMX8MM_PAD_SAI5_RXD2_GPIO3_IO23 | MUX_PAD_CTRL(GPIO_PAD_CTRL)
 };
 
-static iomux_v3_cfg_t const uart_pads[] = {
-	IMX8MM_PAD_UART3_RXD_UART3_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
-	IMX8MM_PAD_UART3_TXD_UART3_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
-};
-
 static iomux_v3_cfg_t const wdog_pads[] = {
 	IMX8MM_PAD_GPIO1_IO02_WDOG1_WDOG_B  | MUX_PAD_CTRL(WDOG_PAD_CTRL),
 };
@@ -230,8 +224,6 @@ int board_early_init_f(void)
 
 	set_wdog_reset(wdog);
 
-	imx_iomux_v3_setup_multiple_pads(uart_pads, ARRAY_SIZE(uart_pads));
-
 	return 0;
 }
 
@@ -273,8 +265,6 @@ void board_init_f(ulong dummy)
 
 	timer_init();
 
-	preloader_console_init();
-
 	/* Clear the BSS. */
 	memset(__bss_start, 0, __bss_end - __bss_start);
 
@@ -284,6 +274,8 @@ void board_init_f(ulong dummy)
 		hang();
 	}
 
+	preloader_console_init();
+
 	enable_tzc380();
 
 	/* PMIC initialization */
diff --git a/configs/kontron-sl-mx8mm_defconfig b/configs/kontron-sl-mx8mm_defconfig
index 1375c78a8c4..44ed4f3fb1f 100644
--- a/configs/kontron-sl-mx8mm_defconfig
+++ b/configs/kontron-sl-mx8mm_defconfig
@@ -103,6 +103,7 @@ CONFIG_DM_REGULATOR=y
 CONFIG_DM_RTC=y
 CONFIG_RTC_RV8803=y
 CONFIG_CONS_INDEX=2
+CONFIG_DM_SERIAL=y
 CONFIG_MXC_UART=y
 CONFIG_SPI=y
 CONFIG_DM_SPI=y
diff --git a/include/configs/kontron-sl-mx8mm.h b/include/configs/kontron-sl-mx8mm.h
index 1b429f7dbe2..20f7f7a74f5 100644
--- a/include/configs/kontron-sl-mx8mm.h
+++ b/include/configs/kontron-sl-mx8mm.h
@@ -28,7 +28,6 @@
 	(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET)
 
 /* Board and environment settings */
-#define CONFIG_MXC_UART_BASE		UART3_BASE_ADDR
 #define CONFIG_HOSTNAME			"kontron-mx8mm"
 
 #ifdef CONFIG_USB_EHCI_HCD
-- 
2.36.0