From cfe7a1068b4b84768dca82e81118d8bac9c4b8d5 Mon Sep 17 00:00:00 2001
From: Simon Glass <sjg@chromium.org>
Date: Sun, 26 Apr 2020 09:12:59 -0600
Subject: [PATCH] x86: Add a way to detect running from coreboot
If U-Boot is running from coreboot we need to skip low-level init. Add
an way to detect this and to set the gd flag.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
---
arch/x86/cpu/i386/cpu.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/x86/cpu/i386/cpu.c b/arch/x86/cpu/i386/cpu.c
index cc20456c89..0312a26bbb 100644
--- a/arch/x86/cpu/i386/cpu.c
+++ b/arch/x86/cpu/i386/cpu.c
@@ -476,6 +476,8 @@ int x86_cpu_reinit_f(void)
{
setup_identity();
setup_pci_ram_top();
+ if (locate_coreboot_table() >= 0)
+ gd->flags |= GD_FLG_SKIP_LL_INIT;
return 0;
}
--
2.39.5