Symbol: SUNXI_MMC_HWRST
sys/arch/arm/sunxi/sunxi_mmc.c
560
MMC_WRITE(sc, SUNXI_MMC_HWRST, 0);
sys/arch/arm/sunxi/sunxi_mmc.c
562
MMC_WRITE(sc, SUNXI_MMC_HWRST, 1);