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author | Rajeshwari Shinde <rajeshwari.s@samsung.com> | 2013-07-04 06:59:16 (GMT) |
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committer | Minkyu Kang <mk7.kang@samsung.com> | 2013-07-05 08:06:55 (GMT) |
commit | 198a40b9f64d3c08b0303dd346ff4addca4c7e88 (patch) | |
tree | fce90ceea84304ba082cb45e0d049205d85539a2 /board/samsung/smdkv310/smdkv310.c | |
parent | 6e50e5ca0221c014a9c9e4b63bb4bc8a35d2e826 (diff) | |
download | u-boot-198a40b9f64d3c08b0303dd346ff4addca4c7e88.tar.xz |
EXYNOS4210: Configure GPIO for uart
This patch configures the gpio values for UART
on Origen and SMDKV310 using pinmux
Signed-off-by: Rajeshwari Shinde <rajeshwari.s@samsung.com>
Acked-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
Diffstat (limited to 'board/samsung/smdkv310/smdkv310.c')
-rw-r--r-- | board/samsung/smdkv310/smdkv310.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/board/samsung/smdkv310/smdkv310.c b/board/samsung/smdkv310/smdkv310.c index 81ac8f6..015b920 100644 --- a/board/samsung/smdkv310/smdkv310.c +++ b/board/samsung/smdkv310/smdkv310.c @@ -26,6 +26,8 @@ #include <asm/arch/cpu.h> #include <asm/arch/gpio.h> #include <asm/arch/mmc.h> +#include <asm/arch/periph.h> +#include <asm/arch/pinmux.h> #include <asm/arch/sromc.h> DECLARE_GLOBAL_DATA_PTR; @@ -137,3 +139,47 @@ int board_mmc_init(bd_t *bis) return err; } #endif + +static int board_uart_init(void) +{ + int err; + + err = exynos_pinmux_config(PERIPH_ID_UART0, PINMUX_FLAG_NONE); + if (err) { + debug("UART0 not configured\n"); + return err; + } + + err = exynos_pinmux_config(PERIPH_ID_UART1, PINMUX_FLAG_NONE); + if (err) { + debug("UART1 not configured\n"); + return err; + } + + err = exynos_pinmux_config(PERIPH_ID_UART2, PINMUX_FLAG_NONE); + if (err) { + debug("UART2 not configured\n"); + return err; + } + + err = exynos_pinmux_config(PERIPH_ID_UART3, PINMUX_FLAG_NONE); + if (err) { + debug("UART3 not configured\n"); + return err; + } + + return 0; +} + +#ifdef CONFIG_BOARD_EARLY_INIT_F +int board_early_init_f(void) +{ + int err; + err = board_uart_init(); + if (err) { + debug("UART init failed\n"); + return err; + } + return err; +} +#endif |