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Diffstat (limited to 'arch/x86/cpu/coreboot/coreboot.c')
-rw-r--r--arch/x86/cpu/coreboot/coreboot.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/arch/x86/cpu/coreboot/coreboot.c b/arch/x86/cpu/coreboot/coreboot.c
index c3dfd28fff..c4cac045b2 100644
--- a/arch/x86/cpu/coreboot/coreboot.c
+++ b/arch/x86/cpu/coreboot/coreboot.c
@@ -7,6 +7,7 @@
*/
#include <common.h>
+#include <fdtdec.h>
#include <netdev.h>
#include <asm/io.h>
#include <asm/msr.h>
@@ -74,9 +75,14 @@ void board_final_cleanup(void)
mtrr_close(&state);
}
- /* Issue SMI to Coreboot to lock down ME and registers */
- printf("Finalizing Coreboot\n");
- outb(0xcb, 0xb2);
+ if (!fdtdec_get_config_bool(gd->fdt_blob, "u-boot,no-apm-finalize")) {
+ /*
+ * Issue SMI to coreboot to lock down ME and registers
+ * when allowed via device tree
+ */
+ printf("Finalizing coreboot\n");
+ outb(0xcb, 0xb2);
+ }
}
int misc_init_r(void)
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