[coreboot-gerrit] Change in coreboot[master]: soc/amd/sabrina/cpu.c: Skip SMMINFO init in S3 resume

[Fred Reitberger (Code Review)]

Attention is currently required from: Jason Glenesk, Raul Rangel, Marshall Dawson, Felix Held.
Fred Reitberger has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/63088 )

Change subject: soc/amd/sabrina/cpu.c: Skip SMMINFO init in S3 resume
......................................................................

soc/amd/sabrina/cpu.c: Skip SMMINFO init in S3 resume

SMMINFO is already set up in S5, so it should be skipped in S3 resume

TEST=builds

Change-Id: I58e25075a007505e53962525ec4d9acd2ce6c7ae
Signed-off-by: Fred Reitberger 
---
M src/soc/amd/sabrina/cpu.c
1 file changed, 5 insertions(+), 1 deletion(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/88/63088/1

diff --git a/src/soc/amd/sabrina/cpu.c b/src/soc/amd/sabrina/cpu.c
index c355a70..9893a8b 100644
--- a/src/soc/amd/sabrina/cpu.c
+++ b/src/soc/amd/sabrina/cpu.c
@@ -13,6 +13,7 @@
 #include <cpu/x86/mp.h>
 #include <cpu/x86/mtrr.h>
 #include <cpu/x86/smm.h>
+#include <acpi/acpi.h>
 #include <device/device.h>
 #include <soc/cpu.h>
 #include <soc/iomap.h>
@@ -39,7 +40,10 @@
 static void post_mp_init(void)
 {
    global_smi_enable();
-	apm_control(APM_CNT_SMMINFO);
+
+	/* SMMINFO only needs to be set up when booting from S5 */
+	if (!acpi_is_wakeup_s3())
+		apm_control(APM_CNT_SMMINFO);
 }

static const struct mp_ops mp_ops = {