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@samsung.com --- Changes in V2: - None. Changes in V3: - Corrected the pinmux settings and offset calcuation of gpio banks. 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; };