Merge branch 'master' of git://git.denx.de/u-boot-samsung

[platform/kernel/u-boot.git] / arch / arm / mach-rockchip / rk3288-board.c

diff --git a/arch/arm/mach-rockchip/rk3288-board.c b/arch/arm/mach-rockchip/rk3288-board.c
index 9894a25..a354d99 100644 (file)
--- a/arch/arm/mach-rockchip/rk3288-board.c
+++ b/arch/arm/mach-rockchip/rk3288-board.c
@@ -86,8 +86,10 @@ static int veyron_init(void)
        int ret;
 
        ret = regulator_get_by_platname("vdd_arm", &dev);
-       if (ret)
+       if (ret) {
+               debug("Cannot set regulator name\n");
                return ret;
+       }
 
        /* Slowly raise to max CPU voltage to prevent overshoot */
        ret = regulator_set_value(dev, 1200000);
@@ -307,3 +309,38 @@ U_BOOT_CMD(
        "display information about clocks",
        ""
 );
+
+#define GRF_SOC_CON2 0xff77024c
+
+int board_early_init_f(void)
+{
+       struct udevice *pinctrl;
+       struct udevice *dev;
+       int ret;
+
+       /*
+        * This init is done in SPL, but when chain-loading U-Boot SPL will
+        * have been skipped. Allow the clock driver to check if it needs
+        * setting up.
+        */
+       ret = rockchip_get_clk(&dev);
+       if (ret) {
+               debug("CLK init failed: %d\n", ret);
+               return ret;
+       }
+       ret = uclass_get_device(UCLASS_PINCTRL, 0, &pinctrl);
+       if (ret) {
+               debug("%s: Cannot find pinctrl device\n", __func__);
+               return ret;
+       }
+
+       /* Enable debug UART */
+       ret = pinctrl_request_noflags(pinctrl, PERIPH_ID_UART_DBG);
+       if (ret) {
+               debug("%s: Failed to set up console UART\n", __func__);
+               return ret;
+       }
+       rk_setreg(GRF_SOC_CON2, 1 << 0);
+
+       return 0;
+}