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author | Rajeshwari Shinde <rajeshwari.s@samsung.com> | 2013-07-04 12:29:16 +0530 |
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committer | Minkyu Kang <mk7.kang@samsung.com> | 2013-07-05 17:06:55 +0900 |
commit | 198a40b9f64d3c08b0303dd346ff4addca4c7e88 (patch) | |
tree | fce90ceea84304ba082cb45e0d049205d85539a2 /board/samsung/origen | |
parent | 6e50e5ca0221c014a9c9e4b63bb4bc8a35d2e826 (diff) | |
download | u-boot-198a40b9f64d3c08b0303dd346ff4addca4c7e88.tar.gz u-boot-198a40b9f64d3c08b0303dd346ff4addca4c7e88.tar.xz u-boot-198a40b9f64d3c08b0303dd346ff4addca4c7e88.zip |
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/origen')
-rw-r--r-- | board/samsung/origen/origen.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/board/samsung/origen/origen.c b/board/samsung/origen/origen.c index 638e7b1edb..b7dbb911b9 100644 --- a/board/samsung/origen/origen.c +++ b/board/samsung/origen/origen.c @@ -25,6 +25,8 @@ #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> DECLARE_GLOBAL_DATA_PTR; struct exynos4_gpio_part1 *gpio1; @@ -39,6 +41,50 @@ int board_init(void) return 0; } +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 + int dram_init(void) { gd->ram_size = get_ram_size((long *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE) |