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

[Fred Reitberger (Code Review)]

Fred Reitberger has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/63087 )

Change subject: soc/amd/picasso/cpu.c: Skip SMMINFO init in S3 resume
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soc/amd/picasso/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: Ia58000ce9dac5ecb69ca39354f7775524e439bd0
Signed-off-by: Fred Reitberger 
---
M src/soc/amd/picasso/cpu.c
1 file changed, 5 insertions(+), 1 deletion(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/87/63087/1

diff --git a/src/soc/amd/picasso/cpu.c b/src/soc/amd/picasso/cpu.c
index de6e9c0..f14ee49 100644
--- a/src/soc/amd/picasso/cpu.c
+++ b/src/soc/amd/picasso/cpu.c
@@ -10,6 +10,7 @@
 #include <cpu/x86/mtrr.h>
 #include <cpu/x86/msr.h>
 #include <cpu/x86/smm.h>
+#include <acpi/acpi.h>
 #include <device/device.h>
 #include <device/pci_ops.h>
 #include <soc/pci_devs.h>
@@ -41,7 +42,10 @@
 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 = {