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 9d9f63d..e0b06b5 100644 (file)
--- 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;