Use board_debug_uart_init() for UART iomux init instead of do it in board_init_f, and move the function to soc file so that we can find all the soc/board setting in soc file and use a common board file.
Signed-off-by: Kever Yang kever.yang@rock-chips.com ---
arch/arm/mach-rockchip/rk3188-board-spl.c | 12 +--------- arch/arm/mach-rockchip/rk3188/Makefile | 1 + arch/arm/mach-rockchip/rk3188/rk3188.c | 37 +++++++++++++++++++++++++++++++ 3 files changed, 39 insertions(+), 11 deletions(-) create mode 100644 arch/arm/mach-rockchip/rk3188/rk3188.c
diff --git a/arch/arm/mach-rockchip/rk3188-board-spl.c b/arch/arm/mach-rockchip/rk3188-board-spl.c index 3ccc4f1..56ff77b 100644 --- a/arch/arm/mach-rockchip/rk3188-board-spl.c +++ b/arch/arm/mach-rockchip/rk3188-board-spl.c @@ -99,17 +99,7 @@ void board_init_f(ulong dummy) 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; - - rk_clrsetreg(&grf->gpio1b_iomux, - GPIO1B1_MASK << GPIO1B1_SHIFT | - GPIO1B0_MASK << GPIO1B0_SHIFT, - GPIO1B1_UART2_SOUT << GPIO1B1_SHIFT | - GPIO1B0_UART2_SIN << GPIO1B0_SHIFT); +#ifdef CONFIG_DEBUG_UART /* * Debug UART can be used from here if required: * diff --git a/arch/arm/mach-rockchip/rk3188/Makefile b/arch/arm/mach-rockchip/rk3188/Makefile index 7fa0104..7dc123a 100644 --- a/arch/arm/mach-rockchip/rk3188/Makefile +++ b/arch/arm/mach-rockchip/rk3188/Makefile @@ -6,5 +6,6 @@
ifndef CONFIG_TPL_BUILD obj-y += clk_rk3188.o +obj-y += rk3188.o obj-y += syscon_rk3188.o endif diff --git a/arch/arm/mach-rockchip/rk3188/rk3188.c b/arch/arm/mach-rockchip/rk3188/rk3188.c new file mode 100644 index 0000000..f2adcc9 --- /dev/null +++ b/arch/arm/mach-rockchip/rk3188/rk3188.c @@ -0,0 +1,37 @@ +/* + * (C) Copyright 2018 Rockchip Electronics Co., Ltd + * + * SPDX-License-Identifier: GPL-2.0+ + */ +#include <common.h> +#include <asm/io.h> +#include <asm/arch/grf_rk3188.h> +#include <asm/arch/hardware.h> + +#ifdef CONFIG_DEBUG_UART_BOARD_INIT +void board_debug_uart_init(void) +{ + /* 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, + GPIO1B1_JTAG_TDO, + + GPIO1B0_SHIFT = 0, + GPIO1B0_MASK = 3, + GPIO1B0_GPIO = 0, + GPIO1B0_UART2_SIN, + GPIO1B0_JTAG_TDI, + }; + + rk_clrsetreg(&grf->gpio1b_iomux, + GPIO1B1_MASK << GPIO1B1_SHIFT | + GPIO1B0_MASK << GPIO1B0_SHIFT, + GPIO1B1_UART2_SOUT << GPIO1B1_SHIFT | + GPIO1B0_UART2_SIN << GPIO1B0_SHIFT); +} +#endif