Merge remote-tracking branch 'u-boot/master' into u-boot-arm-merged

[karo-tx-uboot.git] / arch / arm / cpu / armv7 / exynos / pinmux.c

diff --git a/arch/arm/cpu/armv7/exynos/pinmux.c b/arch/arm/cpu/armv7/exynos/pinmux.c
index 44ce0726e992f7f08b6df8b8c3d1fdba234de9d9..b47996574355c1a28a6b1206a641ead36dfcf0b3 100644 (file)
--- a/arch/arm/cpu/armv7/exynos/pinmux.c
+++ b/arch/arm/cpu/armv7/exynos/pinmux.c
@@ -112,6 +112,7 @@ static int exynos5_mmc_config(int peripheral, int flags)
                s5p_gpio_set_pull(bank, i, GPIO_PULL_UP);
                s5p_gpio_set_drv(bank, i, GPIO_DRV_4X);
        }
+
        return 0;
 }
 
@@ -230,6 +231,59 @@ static void exynos5_i2c_config(int peripheral, int flags)
        }
 }
 
+static void exynos5_i2s_config(int peripheral)
+{
+       int i;
+       struct exynos5_gpio_part1 *gpio1 =
+               (struct exynos5_gpio_part1 *) samsung_get_base_gpio_part1();
+
+       for (i = 0; i < 5; i++)
+               s5p_gpio_cfg_pin(&gpio1->b0, i, GPIO_FUNC(0x02));
+}
+
+void exynos5_spi_config(int peripheral)
+{
+       int cfg = 0, pin = 0, i;
+       struct s5p_gpio_bank *bank = NULL;
+       struct exynos5_gpio_part1 *gpio1 =
+               (struct exynos5_gpio_part1 *) samsung_get_base_gpio_part1();
+       struct exynos5_gpio_part2 *gpio2 =
+               (struct exynos5_gpio_part2 *) samsung_get_base_gpio_part2();
+
+       switch (peripheral) {
+       case PERIPH_ID_SPI0:
+               bank = &gpio1->a2;
+               cfg = GPIO_FUNC(0x2);
+               pin = 0;
+               break;
+       case PERIPH_ID_SPI1:
+               bank = &gpio1->a2;
+               cfg = GPIO_FUNC(0x2);
+               pin = 4;
+               break;
+       case PERIPH_ID_SPI2:
+               bank = &gpio1->b1;
+               cfg = GPIO_FUNC(0x5);
+               pin = 1;
+               break;
+       case PERIPH_ID_SPI3:
+               bank = &gpio2->f1;
+               cfg = GPIO_FUNC(0x2);
+               pin = 0;
+               break;
+       case PERIPH_ID_SPI4:
+               for (i = 0; i < 2; i++) {
+                       s5p_gpio_cfg_pin(&gpio2->f0, i + 2, GPIO_FUNC(0x4));
+                       s5p_gpio_cfg_pin(&gpio2->e0, i + 4, GPIO_FUNC(0x4));
+               }
+               break;
+       }
+       if (peripheral != PERIPH_ID_SPI4) {
+               for (i = pin; i < pin + 4; i++)
+                       s5p_gpio_cfg_pin(bank, i, cfg);
+       }
+}
+
 static int exynos5_pinmux_config(int peripheral, int flags)
 {
        switch (peripheral) {
@@ -257,6 +311,72 @@ static int exynos5_pinmux_config(int peripheral, int flags)
        case PERIPH_ID_I2C7:
                exynos5_i2c_config(peripheral, flags);
                break;
+       case PERIPH_ID_I2S1:
+               exynos5_i2s_config(peripheral);
+               break;
+       case PERIPH_ID_SPI0:
+       case PERIPH_ID_SPI1:
+       case PERIPH_ID_SPI2:
+       case PERIPH_ID_SPI3:
+       case PERIPH_ID_SPI4:
+               exynos5_spi_config(peripheral);
+               break;
+       default:
+               debug("%s: invalid peripheral %d", __func__, peripheral);
+               return -1;
+       }
+
+       return 0;
+}
+
+static int exynos4_mmc_config(int peripheral, int flags)
+{
+       struct exynos4_gpio_part2 *gpio2 =
+               (struct exynos4_gpio_part2 *)samsung_get_base_gpio_part2();
+       struct s5p_gpio_bank *bank, *bank_ext;
+       int i;
+
+       switch (peripheral) {
+       case PERIPH_ID_SDMMC0:
+               bank = &gpio2->k0;
+               bank_ext = &gpio2->k1;
+               break;
+       case PERIPH_ID_SDMMC2:
+               bank = &gpio2->k2;
+               bank_ext = &gpio2->k3;
+               break;
+       default:
+               return -1;
+       }
+       for (i = 0; i < 7; i++) {
+               if (i == 2)
+                       continue;
+               s5p_gpio_cfg_pin(bank, i,  GPIO_FUNC(0x2));
+               s5p_gpio_set_pull(bank, i, GPIO_PULL_NONE);
+               s5p_gpio_set_drv(bank, i, GPIO_DRV_4X);
+       }
+       if (flags & PINMUX_FLAG_8BIT_MODE) {
+               for (i = 3; i < 7; i++) {
+                       s5p_gpio_cfg_pin(bank_ext, i,  GPIO_FUNC(0x3));
+                       s5p_gpio_set_pull(bank_ext, i, GPIO_PULL_NONE);
+                       s5p_gpio_set_drv(bank_ext, i, GPIO_DRV_4X);
+               }
+       }
+
+       return 0;
+}
+
+static int exynos4_pinmux_config(int peripheral, int flags)
+{
+       switch (peripheral) {
+       case PERIPH_ID_SDMMC0:
+       case PERIPH_ID_SDMMC2:
+               return exynos4_mmc_config(peripheral, flags);
+       case PERIPH_ID_SDMMC1:
+       case PERIPH_ID_SDMMC3:
+       case PERIPH_ID_SDMMC4:
+               printf("SDMMC device %d not implemented\n", peripheral);
+               return -1;
        default:
                debug("%s: invalid peripheral %d", __func__, peripheral);
                return -1;