ARM: rockchip: rk3188: Remove the pinctrl setup and enable uart at SPL

When the boot ROM sets up MMC we don't need to do it again. Remove the
MMC setup code entirely, but we also need to enable uart for debug message.

Signed-off-by: David Wu <david.wu@rock-chips.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>

diff --git a/arch/arm/mach-rockchip/rk3188-board-spl.c b/arch/arm/mach-rockchip/rk3188-board-spl.c
index 3c6c3d3c09b182d7b32054ce262f6d43eca12f8b..a5e4d39cb7ddb6ca7b3591d255716572af71acf6 100644 (file)
--- a/arch/arm/mach-rockchip/rk3188-board-spl.c
+++ b/arch/arm/mach-rockchip/rk3188-board-spl.c
@@ -120,7 +120,7 @@ void board_debug_uart_init(void)
 
 void board_init_f(ulong dummy)
 {
-       struct udevice *pinctrl, *dev;
+       struct udevice *dev;
        int ret;
 
 #define EARLY_UART
@@ -134,10 +134,7 @@ void board_init_f(ulong dummy)
         * printascii("string");
         */
        debug_uart_init();
-       printch('s');
-       printch('p');
-       printch('l');
-       printch('\n');
+       printascii("U-Boot SPL board init");
 #endif
 
 #ifdef CONFIG_ROCKCHIP_USB_UART
@@ -171,12 +168,6 @@ void board_init_f(ulong dummy)
                return;
        }
 
-       ret = uclass_get_device(UCLASS_PINCTRL, 0, &pinctrl);
-       if (ret) {
-               debug("Pinctrl init failed: %d\n", ret);
-               return;
-       }
-
        ret = uclass_get_device(UCLASS_RAM, 0, &dev);
        if (ret) {
                debug("DRAM init failed: %d\n", ret);
@@ -214,7 +205,6 @@ static int setup_led(void)
 
 void spl_board_init(void)
 {
-       struct udevice *pinctrl;
        int ret;
 
        ret = setup_led();
@@ -223,36 +213,9 @@ void spl_board_init(void)
                hang();
        }
 
-       ret = uclass_get_device(UCLASS_PINCTRL, 0, &pinctrl);
-       if (ret) {
-               debug("%s: Cannot find pinctrl device\n", __func__);
-               goto err;
-       }
-
-#ifdef CONFIG_SPL_MMC_SUPPORT
-       ret = pinctrl_request_noflags(pinctrl, PERIPH_ID_SDCARD);
-       if (ret) {
-               debug("%s: Failed to set up SD card\n", __func__);
-               goto err;
-       }
-#endif
-
-       /* Enable debug UART */
-       ret = pinctrl_request_noflags(pinctrl, PERIPH_ID_UART_DBG);
-       if (ret) {
-               debug("%s: Failed to set up console UART\n", __func__);
-               goto err;
-       }
-
        preloader_console_init();
 #if CONFIG_IS_ENABLED(ROCKCHIP_BACK_TO_BROM)
        back_to_bootrom(BROM_BOOT_NEXTSTAGE);
 #endif
        return;
-
-err:
-       printf("spl_board_init: Error %d\n", ret);
-
-       /* No way to report error here */
-       hang();
 }