diff options
Diffstat (limited to 'src/cpu/samsung')
| -rw-r--r-- | src/cpu/samsung/exynos5420/pinmux.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/src/cpu/samsung/exynos5420/pinmux.c b/src/cpu/samsung/exynos5420/pinmux.c index 843a6db723..573cdb679c 100644 --- a/src/cpu/samsung/exynos5420/pinmux.c +++ b/src/cpu/samsung/exynos5420/pinmux.c @@ -81,7 +81,14 @@ static void exynos_pinmux_sdmmc(int start, int start_ext) void exynos_pinmux_sdmmc0(void) { exynos_pinmux_sdmmc(GPIO_C00, GPIO_C30); - gpio_set_pull(GPIO_C02, GPIO_PULL_UP); + /* + * MMC0 is intended to be used for eMMC. The card detect pin is used + * as a VDDEN signal to power on the eMMC. The 5420 iROM makes this + * same assumption. + */ + gpio_set_pull(GPIO_C02, GPIO_PULL_NONE); + gpio_cfg_pin(GPIO_C02, GPIO_OUTPUT); + gpio_set_value(GPIO_C02, 1); } void exynos_pinmux_sdmmc1(void) |