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>

diff --git a/arch/x86/cpu/i386/cpu.c b/arch/x86/cpu/i386/cpu.c
index cc20456c892ed643d79308e0f503e7b7e1d9a91f..0312a26bbbf5c719e690c32e89e1ea00c29359ed 100644 (file)
--- 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;
 }