[U-Boot] [PATCH 09/10 V5] EXYNOS5 : Modify pinnumx settings as per Exynos5250 Rev 1.0
Rajeshwari Shinde
rajeshwari.s at samsung.com
Mon Jul 2 13:36:44 CEST 2012
This patch modifies the pinmux settings of MMC and UART as per
Exynos5250 Rev 1.0.
It also corrects the gpio offset calculations.
Signed-off-by: Rajeshwari Shinde <rajeshwari.s at samsung.com>
Acked-by: Joonyoung Shim <jy0922.shim at samsung.com>
---
Changes in V2:
- None.
Changes in V3:
- Corrected the pinmux settings and offset calcuation of gpio banks.
Changes in V4:
- None
Changes in V5:
- None.
arch/arm/cpu/armv7/exynos/pinmux.c | 22 +++++++++++++---------
arch/arm/include/asm/arch-exynos/gpio.h | 7 +++++--
2 files changed, 18 insertions(+), 11 deletions(-)
diff --git a/arch/arm/cpu/armv7/exynos/pinmux.c b/arch/arm/cpu/armv7/exynos/pinmux.c
index d2b7d2c..822410e 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:
@@ -66,23 +66,27 @@ 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, gpio_func;
switch (peripheral) {
case PERIPH_ID_SDMMC0:
bank = &gpio1->c0;
bank_ext = &gpio1->c1;
+ start = 0;
+ gpio_func = GPIO_FUNC(0x2);
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;
+ bank = &gpio1->c3;
+ bank_ext = &gpio1->c4;
+ start = 3;
+ gpio_func = GPIO_FUNC(0x3);
break;
case PERIPH_ID_SDMMC3:
- bank = &gpio1->c3;
+ bank = &gpio1->c4;
bank_ext = NULL;
break;
}
@@ -92,8 +96,8 @@ static int exynos5_mmc_config(int peripheral, int flags)
return -1;
}
if (flags & PINMUX_FLAG_8BIT_MODE) {
- for (i = 3; i <= 6; i++) {
- s5p_gpio_cfg_pin(bank_ext, i, GPIO_FUNC(0x3));
+ for (i = start; i <= (start + 3); i++) {
+ s5p_gpio_cfg_pin(bank_ext, i, gpio_func);
s5p_gpio_set_pull(bank_ext, i, GPIO_PULL_UP);
s5p_gpio_set_drv(bank_ext, i, GPIO_DRV_4X);
}
diff --git a/arch/arm/include/asm/arch-exynos/gpio.h b/arch/arm/include/asm/arch-exynos/gpio.h
index 7a9bb90..97be4ea 100644
--- a/arch/arm/include/asm/arch-exynos/gpio.h
+++ b/arch/arm/include/asm/arch-exynos/gpio.h
@@ -100,7 +100,9 @@ struct exynos5_gpio_part1 {
struct s5p_gpio_bank y4;
struct s5p_gpio_bank y5;
struct s5p_gpio_bank y6;
- struct s5p_gpio_bank res1[0x980];
+ struct s5p_gpio_bank res1[0x3];
+ struct s5p_gpio_bank c4;
+ struct s5p_gpio_bank res2[0x48];
struct s5p_gpio_bank x0;
struct s5p_gpio_bank x1;
struct s5p_gpio_bank x2;
@@ -122,9 +124,10 @@ struct exynos5_gpio_part2 {
struct exynos5_gpio_part3 {
struct s5p_gpio_bank v0;
struct s5p_gpio_bank v1;
+ struct s5p_gpio_bank res1[0x1];
struct s5p_gpio_bank v2;
struct s5p_gpio_bank v3;
- struct s5p_gpio_bank res1[0x20];
+ struct s5p_gpio_bank res2[0x1];
struct s5p_gpio_bank v4;
};
--
1.7.4.4
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