X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=arch%2Farm%2Fcpu%2Farmv7%2Fexynos%2Fpinmux.c;h=2042062344edfc8d599f94fddf58f9006d9d81b0;hb=fbbbc86e8ebac4f42f4ca39ceba80cea27c983bc;hp=bd499b47614ca2b1af126642931fa627d14f45ca;hpb=1199c377cf14c240b903e351ab02b3b2cd3800c6;p=platform%2Fkernel%2Fu-boot.git

diff --git a/arch/arm/cpu/armv7/exynos/pinmux.c b/arch/arm/cpu/armv7/exynos/pinmux.c
index bd499b4..2042062 100644
--- a/arch/arm/cpu/armv7/exynos/pinmux.c
+++ b/arch/arm/cpu/armv7/exynos/pinmux.c
@@ -408,9 +408,49 @@ static int exynos4_mmc_config(int peripheral, int flags)
 	return 0;
 }
 
+static void exynos4_uart_config(int peripheral)
+{
+	struct exynos4_gpio_part1 *gpio1 =
+		(struct exynos4_gpio_part1 *)samsung_get_base_gpio_part1();
+	struct s5p_gpio_bank *bank;
+	int i, start, count;
+
+	switch (peripheral) {
+	case PERIPH_ID_UART0:
+		bank = &gpio1->a0;
+		start = 0;
+		count = 4;
+		break;
+	case PERIPH_ID_UART1:
+		bank = &gpio1->a0;
+		start = 4;
+		count = 4;
+		break;
+	case PERIPH_ID_UART2:
+		bank = &gpio1->a1;
+		start = 0;
+		count = 4;
+		break;
+	case PERIPH_ID_UART3:
+		bank = &gpio1->a1;
+		start = 4;
+		count = 2;
+		break;
+	}
+	for (i = start; i < start + count; i++) {
+		s5p_gpio_set_pull(bank, i, GPIO_PULL_NONE);
+		s5p_gpio_cfg_pin(bank, i, GPIO_FUNC(0x2));
+	}
+}
 static int exynos4_pinmux_config(int peripheral, int flags)
 {
 	switch (peripheral) {
+	case PERIPH_ID_UART0:
+	case PERIPH_ID_UART1:
+	case PERIPH_ID_UART2:
+	case PERIPH_ID_UART3:
+		exynos4_uart_config(peripheral);
+		break;
 	case PERIPH_ID_I2C0:
 	case PERIPH_ID_I2C1:
 	case PERIPH_ID_I2C2: