4 files changed, 38 insertions, 7 deletions
diff --git a/arch/arm/mach-rockchip/rk3368/Kconfig b/arch/arm/mach-rockchip/rk3368/Kconfig
index 7c9b722b00..325572a7e4 100644
--- a/arch/arm/mach-rockchip/rk3368/Kconfig
+++ b/arch/arm/mach-rockchip/rk3368/Kconfig
@@ -43,7 +43,7 @@ config TARGET_EVB_PX5
 endchoice
 
 config SYS_SOC
-	default "rockchip"
+	default "rk3368"
 
 source "board/theobroma-systems/lion_rk3368/Kconfig"
 source "board/rockchip/sheep_rk3368/Kconfig"
diff --git a/arch/arm/mach-rockchip/rk3368/clk_rk3368.c b/arch/arm/mach-rockchip/rk3368/clk_rk3368.c
index 722160dfdc..55e5dd768a 100644
--- a/arch/arm/mach-rockchip/rk3368/clk_rk3368.c
+++ b/arch/arm/mach-rockchip/rk3368/clk_rk3368.c
@@ -7,8 +7,8 @@
 #include <common.h>
 #include <dm.h>
 #include <syscon.h>
-#include <asm/arch/clock.h>
-#include <asm/arch/cru_rk3368.h>
+#include <asm/arch-rockchip/clock.h>
+#include <asm/arch-rockchip/cru_rk3368.h>
 
 int rockchip_get_clk(struct udevice **devp)
 {
diff --git a/arch/arm/mach-rockchip/rk3368/rk3368.c b/arch/arm/mach-rockchip/rk3368/rk3368.c
index 6d5d4cc760..1ed06c5352 100644
--- a/arch/arm/mach-rockchip/rk3368/rk3368.c
+++ b/arch/arm/mach-rockchip/rk3368/rk3368.c
@@ -7,9 +7,9 @@
 #include <common.h>
 #include <asm/armv8/mmu.h>
 #include <asm/io.h>
-#include <asm/arch/clock.h>
-#include <asm/arch/cru_rk3368.h>
-#include <asm/arch/grf_rk3368.h>
+#include <asm/arch-rockchip/clock.h>
+#include <asm/arch-rockchip/cru_rk3368.h>
+#include <asm/arch-rockchip/grf_rk3368.h>
 #include <syscon.h>
 
 DECLARE_GLOBAL_DATA_PTR;
@@ -96,3 +96,34 @@ int arch_early_init_r(void)
 	return mcu_init();
 }
 #endif
+
+#ifdef CONFIG_DEBUG_UART_BOARD_INIT
+void board_debug_uart_init(void)
+{
+	/*
+	 * N.B.: This is called before the device-model has been
+	 *       initialised. For this reason, we can not access
+	 *       the GRF address range using the syscon API.
+	 */
+#if defined(CONFIG_DEBUG_UART_BASE) && (CONFIG_DEBUG_UART_BASE == 0xff180000)
+	struct rk3368_grf * const grf =
+		(struct rk3368_grf * const)0xff770000;
+
+	enum {
+		GPIO2D1_MASK            = GENMASK(3, 2),
+		GPIO2D1_GPIO            = 0,
+		GPIO2D1_UART0_SOUT      = (1 << 2),
+
+		GPIO2D0_MASK            = GENMASK(1, 0),
+		GPIO2D0_GPIO            = 0,
+		GPIO2D0_UART0_SIN       = (1 << 0),
+	};
+
+	/* Enable early UART0 on the RK3368 */
+	rk_clrsetreg(&grf->gpio2d_iomux,
+		     GPIO2D0_MASK, GPIO2D0_UART0_SIN);
+	rk_clrsetreg(&grf->gpio2d_iomux,
+		     GPIO2D1_MASK, GPIO2D1_UART0_SOUT);
+#endif
+}
+#endif
diff --git a/arch/arm/mach-rockchip/rk3368/syscon_rk3368.c b/arch/arm/mach-rockchip/rk3368/syscon_rk3368.c
index c08ce437ea..4ba94f2e80 100644
--- a/arch/arm/mach-rockchip/rk3368/syscon_rk3368.c
+++ b/arch/arm/mach-rockchip/rk3368/syscon_rk3368.c
@@ -8,7 +8,7 @@
 #include <common.h>
 #include <dm.h>
 #include <syscon.h>
-#include <asm/arch/clock.h>
+#include <asm/arch-rockchip/clock.h>
 
 static const struct udevice_id rk3368_syscon_ids[] = {
 	{ .compatible = "rockchip,rk3368-grf",