#define TEGRA_MMC_CLKCON_SDCLK_FREQ_SEL_SHIFT 8
#define TEGRA_MMC_CLKCON_SDCLK_FREQ_SEL_MASK (0xff << 8)
+#define TEGRA_MMC_MISCON_ENABLE_EXT_LOOPBACK (1 << 17)
+
#define TEGRA_MMC_SWRST_SW_RESET_FOR_ALL (1 << 0)
#define TEGRA_MMC_SWRST_SW_RESET_FOR_CMD_LINE (1 << 1)
#define TEGRA_MMC_SWRST_SW_RESET_FOR_DAT_LINE (1 << 2)