hikey: increase delay after eMMC initialized

Some eMMC chips require a longer delay. After testing
different chips, 20ms appears to work reliably.

Signed-off-by: Ryan Grachek <[email protected]>

diff --git a/plat/hisilicon/hikey/hikey_bl2_setup.c b/plat/hisilicon/hikey/hikey_bl2_setup.c
index 791076c969cde437329bc43c18de6862af5b9e2b..d42afe0def77e8a2b13b2fb25166d81a4579913b 100644 (file)
--- a/plat/hisilicon/hikey/hikey_bl2_setup.c
+++ b/plat/hisilicon/hikey/hikey_bl2_setup.c
@@ -336,7 +336,7 @@ void bl2_platform_setup(void)
        params.flags = MMC_FLAG_CMD23;
        info.mmc_dev_type = MMC_IS_EMMC;
        dw_mmc_init(&params, &info);
-       mdelay(5);
+       mdelay(20);
 
        hikey_io_setup();
 }