[U-Boot] [PATCH 8/9] EXYNOS5 : Modify pinnumx settings as per Exynos5250 Rev 1.0

Rajeshwari Shinde rajeshwari.s at samsung.com
Wed Jun 20 12:40:09 CEST 2012


This patch modifies the pinmux settings of MMC and UART as per
Exynos5250 Rev 1.0

Signed-off-by: Rajeshwari Shinde <rajeshwari.s at samsung.com>
---
 arch/arm/cpu/armv7/exynos/pinmux.c |   18 +++++++++---------
 1 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/arch/arm/cpu/armv7/exynos/pinmux.c b/arch/arm/cpu/armv7/exynos/pinmux.c
index d2b7d2c..7611c7a 100644
--- a/arch/arm/cpu/armv7/exynos/pinmux.c
+++ b/arch/arm/cpu/armv7/exynos/pinmux.c
@@ -40,8 +40,8 @@ static void exynos5_uart_config(int peripheral)
 		count = 4;
 		break;
 	case PERIPH_ID_UART1:
-		bank = &gpio1->a0;
-		start = 4;
+		bank = &gpio1->d0;
+		start = 0;
 		count = 4;
 		break;
 	case PERIPH_ID_UART2:
@@ -66,25 +66,25 @@ static int exynos5_mmc_config(int peripheral, int flags)
 	struct exynos5_gpio_part1 *gpio1 =
 		(struct exynos5_gpio_part1 *) samsung_get_base_gpio_part1();
 	struct s5p_gpio_bank *bank, *bank_ext;
-	int i;
+	int i, start;
 
 	switch (peripheral) {
 	case PERIPH_ID_SDMMC0:
 		bank = &gpio1->c0;
 		bank_ext = &gpio1->c1;
+		start = 0;
 		break;
 	case PERIPH_ID_SDMMC1:
-		bank = &gpio1->c1;
+		bank = &gpio1->c2;
 		bank_ext = NULL;
 		break;
 	case PERIPH_ID_SDMMC2:
-		bank = &gpio1->c2;
-		bank_ext = &gpio1->c3;
-		break;
-	case PERIPH_ID_SDMMC3:
 		bank = &gpio1->c3;
 		bank_ext = NULL;
 		break;
+	case PERIPH_ID_SDMMC3:
+		debug("SDMMC3 not supported yet");
+		return -1;
 	}
 	if ((flags & PINMUX_FLAG_8BIT_MODE) && !bank_ext) {
 		debug("SDMMC device %d does not support 8bit mode",
@@ -92,7 +92,7 @@ static int exynos5_mmc_config(int peripheral, int flags)
 		return -1;
 	}
 	if (flags & PINMUX_FLAG_8BIT_MODE) {
-		for (i = 3; i <= 6; i++) {
+		for (i = start; i <= (start + 3); i++) {
 			s5p_gpio_cfg_pin(bank_ext, i, GPIO_FUNC(0x3));
 			s5p_gpio_set_pull(bank_ext, i, GPIO_PULL_UP);
 			s5p_gpio_set_drv(bank_ext, i, GPIO_DRV_4X);
-- 
1.7.4.4



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