x86: Issue SMI to finalize Coreboot in final stage

This will write magic value to APMC command port which
will trigger an SMI and cause coreboot to lock down
the ME, chipset, and CPU.

Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Duncan Laurie 2012-11-03 11:41:35 +00:00 committed by Simon Glass
parent 488b8b242b
commit b83058cd23

View file

@ -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;
}