imx: imx8mm-cl-iot-gate: Enable DM_SERIAL

Enable CONFIG_DM_SERIAL. uart3 and its pinmux was already
marked with u-boot,dm-spl.
Move preloader_console_init after spl_early_init to make sure driver
model work.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Fabio Estevam <festevam@denx.de>

diff --git a/board/compulab/imx8mm-cl-iot-gate/spl.c b/board/compulab/imx8mm-cl-iot-gate/spl.c
index 2dc62d6..f183704 100644 (file)
--- a/board/compulab/imx8mm-cl-iot-gate/spl.c
+++ b/board/compulab/imx8mm-cl-iot-gate/spl.c
@@ -83,14 +83,8 @@ int board_fit_config_name_match(const char *name)
 }
 #endif
 
-#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)
 
-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),
 };
@@ -103,8 +97,6 @@ int board_early_init_f(void)
 
        set_wdog_reset(wdog);
 
-       imx_iomux_v3_setup_multiple_pads(uart_pads, ARRAY_SIZE(uart_pads));
-
        return 0;
 }
 
@@ -155,8 +147,6 @@ void board_init_f(ulong dummy)
 
        timer_init();
 
-       preloader_console_init();
-
        /* Clear the BSS. */
        memset(__bss_start, 0, __bss_end - __bss_start);
 
@@ -166,6 +156,8 @@ void board_init_f(ulong dummy)
                hang();
        }
 
+       preloader_console_init();
+
        ret = uclass_get_device_by_name(UCLASS_CLK,
                                        "clock-controller@30380000",
                                        &dev);

diff --git a/configs/imx8mm-cl-iot-gate-optee_defconfig b/configs/imx8mm-cl-iot-gate-optee_defconfig
index 57ecd7b..8005591 100644 (file)
--- a/configs/imx8mm-cl-iot-gate-optee_defconfig
+++ b/configs/imx8mm-cl-iot-gate-optee_defconfig
@@ -121,6 +121,7 @@ CONFIG_DM_REGULATOR_FIXED=y
 CONFIG_DM_REGULATOR_GPIO=y
 CONFIG_DM_RTC=y
 CONFIG_RTC_ABX80X=y
+CONFIG_DM_SERIAL=y
 CONFIG_MXC_UART=y
 CONFIG_SPI=y
 CONFIG_DM_SPI=y

diff --git a/configs/imx8mm-cl-iot-gate_defconfig b/configs/imx8mm-cl-iot-gate_defconfig
index 67f7576..dae7ddc 100644 (file)
--- a/configs/imx8mm-cl-iot-gate_defconfig
+++ b/configs/imx8mm-cl-iot-gate_defconfig
@@ -124,6 +124,7 @@ CONFIG_DM_REGULATOR_FIXED=y
 CONFIG_DM_REGULATOR_GPIO=y
 CONFIG_DM_RTC=y
 CONFIG_RTC_ABX80X=y
+CONFIG_DM_SERIAL=y
 CONFIG_MXC_UART=y
 CONFIG_SPI=y
 CONFIG_DM_SPI=y

diff --git a/include/configs/imx8mm-cl-iot-gate.h b/include/configs/imx8mm-cl-iot-gate.h
index 297d56b..fc738ed 100644 (file)
--- a/include/configs/imx8mm-cl-iot-gate.h
+++ b/include/configs/imx8mm-cl-iot-gate.h
@@ -134,8 +134,6 @@
 #define PHYS_SDRAM                     0x40000000
 #define PHYS_SDRAM_SIZE                        0x80000000 /* 2GB DDR */
 
-#define CONFIG_MXC_UART_BASE           UART_BASE_ADDR(3)
-
 /* USDHC */
 
 #define CONFIG_SYS_FSL_USDHC_NUM       2