[U-Boot] [PATCH 8/9 V2] EXYNOS5 : Modify pinnumx settings as per Exynos5250 Rev 1.0
Jaehoon Chung
jh80.chung at samsung.com
Wed Jun 20 13:58:37 CEST 2012
Hi Rajeshwari,
On 06/20/2012 08:11 PM, Rajeshwari Shinde wrote:
> 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>
> ---
> Chnages in V2:
> - None
> 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;
if SDMMC2 is supported 8BIT_MODE. Need gpio1->c4,
> + 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));
At EVT1, i known GPIO_FUNC(0x3) is wrong.
> s5p_gpio_set_pull(bank_ext, i, GPIO_PULL_UP);
> s5p_gpio_set_drv(bank_ext, i, GPIO_DRV_4X);
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