From 462e14139e4990caa23d23476e60f5d3ba95c9aa Mon Sep 17 00:00:00 2001 From: Shunqian Zheng Date: Mon, 2 May 2016 10:27:30 +0800 Subject: rockchip: rk3399: enable sdhci clk for emmc If booting from sdcard/usb, kernel can't recognize the /dev/mmcblk0. Before kernel find it's root cause, we add this workaround patch to enable clk for emmc. BRANCH=none BUG=chrome-os-partner:52873 TEST=boot from sdcard and check the /dev/mmcblk0 exists Change-Id: Ie36cc6fdbc24db8c30984c02ccfe2f8aaaf30cd2 Signed-off-by: Martin Roth Original-Commit-Id: 39b87ec3c73d6f56efc8c3f52b7ed759e548ee85 Original-Change-Id: I88a9cc2e3ea5a56aadfdbd94ef910daaf92a7eb7 Original-Signed-off-by: Shunqian Zheng Original-Reviewed-on: https://chromium-review.googlesource.com/341632 Original-Commit-Ready: Vadim Bendebury Original-Tested-by: Vadim Bendebury Original-Reviewed-by: Vadim Bendebury Reviewed-on: https://review.coreboot.org/14856 Tested-by: build bot (Jenkins) Reviewed-by: Vadim Bendebury --- src/mainboard/google/gru/mainboard.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'src/mainboard/google/gru') diff --git a/src/mainboard/google/gru/mainboard.c b/src/mainboard/google/gru/mainboard.c index 6d2b4f4759..6824cbf546 100644 --- a/src/mainboard/google/gru/mainboard.c +++ b/src/mainboard/google/gru/mainboard.c @@ -18,6 +18,7 @@ #include #include #include +#include #include static void configure_emmc(void) @@ -32,6 +33,8 @@ static void configure_emmc(void) write32(&rk3399_grf->emmccore_con[11], RK_CLRSETBITS(0xff, 0)); rkclk_configure_emmc(); + + enable_emmc_clk(); } static void configure_sdmmc(void) -- cgit v1.2.3