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baytrail: invoke SMM finalization on handoff

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Instead of relying on the bootloader or each mainboard
to invoke SMM finalization have the chipset control
when it is done.

BUG=chrome-os-partner:24624
BRANCH=baytrail
TEST=Booted and resumed with SMI debug. Noted SMI.

Change-Id: Ifee071fe5704296b896188b26740094344ad756f
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/185201
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
This commit is contained in:
Aaron Durbin 2014-02-06 10:31:16 -06:00 • committed by chrome-internal-fetch
commit 1b50affb1f
1 changed files with 4 additions and 0 deletions
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4
src/soc/intel/baytrail/southcluster.c
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@ -23,6 +23,7 @@
#include <bootstate.h>
#include <cbmem.h>
#include <console/console.h>
#include <cpu/x86/smm.h>
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_ids.h>
@ -440,6 +441,9 @@ static void finalize_chipset(void *unused)
/* Set the CF9 lock. */
write32(etr, read32(etr) | CF9LOCK);
printk(BIOS_DEBUG, "Finalizing SMM.\n");
outb(APM_CNT_FINALIZE, APM_CNT);
}
BOOT_STATE_INIT_ENTRIES(finalize_bscb) = {