Sync with other rockchip SoCs, use board_debug_uart_init() to init default UART iomux.
Signed-off-by: Kever Yang kever.yang@rock-chips.com ---
arch/arm/mach-rockchip/Kconfig | 1 + arch/arm/mach-rockchip/rk3188-board-spl.c | 29 +++++++++++++++++------ 2 files changed, 23 insertions(+), 7 deletions(-)
diff --git a/arch/arm/mach-rockchip/Kconfig b/arch/arm/mach-rockchip/Kconfig index 94a03e2a38..a007162b21 100644 --- a/arch/arm/mach-rockchip/Kconfig +++ b/arch/arm/mach-rockchip/Kconfig @@ -35,6 +35,7 @@ config ROCKCHIP_RK3188 select SPL_RAM select SPL_DRIVERS_MISC_SUPPORT select SPL_ROCKCHIP_EARLYRETURN_TO_BROM + select DEBUG_UART_BOARD_INIT select BOARD_LATE_INIT select ROCKCHIP_BROM_HELPER help diff --git a/arch/arm/mach-rockchip/rk3188-board-spl.c b/arch/arm/mach-rockchip/rk3188-board-spl.c index 98ca971b88..a7f59ad856 100644 --- a/arch/arm/mach-rockchip/rk3188-board-spl.c +++ b/arch/arm/mach-rockchip/rk3188-board-spl.c @@ -16,6 +16,7 @@ #include <asm/io.h> #include <asm/arch/bootrom.h> #include <asm/arch/clock.h> +#include <asm/arch/grf_rk3188.h> #include <asm/arch/hardware.h> #include <asm/arch/periph.h> #include <asm/arch/pmu_rk3188.h> @@ -92,23 +93,37 @@ static int setup_arm_clock(void) return ret; }
-void board_init_f(ulong dummy) +void board_debug_uart_init(void) { - struct udevice *pinctrl, *dev; - int ret; - - /* Example code showing how to enable the debug UART on RK3188 */ -#ifdef EARLY_UART -#include <asm/arch/grf_rk3188.h> /* Enable early UART on the RK3188 */ #define GRF_BASE 0x20008000 struct rk3188_grf * const grf = (void *)GRF_BASE; + enum { + GPIO1B1_SHIFT = 2, + GPIO1B1_MASK = 3, + GPIO1B1_GPIO = 0, + GPIO1B1_UART2_SOUT, + + GPIO1B0_SHIFT = 0, + GPIO1B0_MASK = 3, + GPIO1B0_GPIO = 0, + GPIO1B0_UART2_SIN, + };
rk_clrsetreg(&grf->gpio1b_iomux, GPIO1B1_MASK << GPIO1B1_SHIFT | GPIO1B0_MASK << GPIO1B0_SHIFT, GPIO1B1_UART2_SOUT << GPIO1B1_SHIFT | GPIO1B0_UART2_SIN << GPIO1B0_SHIFT); +} + +void board_init_f(ulong dummy) +{ + struct udevice *pinctrl, *dev; + int ret; + +#define EARLY_UART +#ifdef EARLY_UART /* * Debug UART can be used from here if required: *