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-rw-r--r--src/cpu/samsung/exynos5420/pinmux.c9
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)