From: Simon Glass <sjg@chromium.org>
Date: Mon, 11 Jul 2016 15:30:55 +0000 (-0600)
Subject: x86: link: Correct a failure in DRAM init
X-Git-Tag: v2016.09-rc1~141^2
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=9532fe3b40ddf66ef976dee3d5cf1d8b3396bf4d;p=oweals%2Fu-boot.git

x86: link: Correct a failure in DRAM init

With the change to set up pinctrl after relocation, link fails to boot. Add
a special case in the link code to handle this.

Fixes: d8906c1f (x86: Probe pinctrl driver in cpu_init_r())

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
---

diff --git a/arch/x86/cpu/ivybridge/sdram.c b/arch/x86/cpu/ivybridge/sdram.c
index 9d9f63d70c..e0b06b5ada 100644
--- a/arch/x86/cpu/ivybridge/sdram.c
+++ b/arch/x86/cpu/ivybridge/sdram.c
@@ -458,6 +458,11 @@ int dram_init(void)
 	struct udevice *dev, *me_dev;
 	int ret;
 
+	/* We need the pinctrl set up early */
+	ret = syscon_get_by_driver_data(X86_SYSCON_PINCONF, &dev);
+	if (ret)
+		return ret;
+
 	ret = uclass_first_device_err(UCLASS_NORTHBRIDGE, &dev);
 	if (ret)
 		return ret;