From: Ryan Grachek <ryan@edited.us>
Date: Thu, 15 Nov 2018 14:41:25 +0000 (-0600)
Subject: hikey: increase delay after eMMC initialized
X-Git-Url: http://git.openwrt.org/%22https:/collectd.org//%22/%22https:/collectd.org/%22?a=commitdiff_plain;h=f6be4354cf4f57d167f04cf5c1cc6fc772e07171;p=project%2Fbcm63xx%2Fatf.git

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 <ryan@edited.us>
---

diff --git a/plat/hisilicon/hikey/hikey_bl2_setup.c b/plat/hisilicon/hikey/hikey_bl2_setup.c
index 791076c9..d42afe0d 100644
--- 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();
 }