build/patch/u-boot/u-boot-rockchip/board_tinkerboard/0037-add-10ms-delay-after-re-enable-EMMC.patch

25 lines
836 B
Diff

From b41031b54e5d4355d2f27f7297b72c030f435167 Mon Sep 17 00:00:00 2001
From: jamess_huang <Jamess_Huang@asus.com>
Date: Tue, 17 Oct 2017 14:38:28 +0800
Subject: [PATCH 37/50] add 10ms delay after re-enable EMMC
Change-Id: I022d050be22c5436822cb2057e70b17d88e65d7a
---
arch/arm/mach-rockchip/rk3288-board.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/arm/mach-rockchip/rk3288-board.c b/arch/arm/mach-rockchip/rk3288-board.c
index 32f70a5920..07f4125780 100644
--- a/arch/arm/mach-rockchip/rk3288-board.c
+++ b/arch/arm/mach-rockchip/rk3288-board.c
@@ -136,6 +136,7 @@ int check_force_enter_ums_mode(void)
writel(tmp | 0xc0, RKIO_GPIO6_PHYS + GPIO_SWPORT_DR);
tmp = readl(RKIO_GPIO6_PHYS + GPIO_SWPORT_DDR);
writel(tmp | 0xc0, RKIO_GPIO6_PHYS + GPIO_SWPORT_DDR);
+ mdelay(10);
}
}
return 0;
--
2.17.1