x86: Issue SMI to finalize Coreboot in final stage

[u-boot] / arch / x86 / cpu / coreboot / coreboot.c

diff --git a/arch/x86/cpu/coreboot/coreboot.c b/arch/x86/cpu/coreboot/coreboot.c
index f73977f219394af9a04e0b347ecdde38f63b4501..1c8a007d161be4f22a33632dcd65cd8f7a9a5240 100644 (file)
--- a/arch/x86/cpu/coreboot/coreboot.c
+++ b/arch/x86/cpu/coreboot/coreboot.c
@@ -118,5 +118,9 @@ int board_final_cleanup(void)
                enable_caches();
        }
 
+       /* Issue SMI to Coreboot to lock down ME and registers */
+       printf("Finalizing Coreboot\n");
+       outb(0xcb, 0xb2);
+
        return 0;
 }