[coreboot-gerrit] Change in coreboot[master]: cpu/x86/smm.h: Add SW SMI for PSP SMM Info

[Felix Held (Code Review)]

Felix Held has submitted this change. ( https://review.coreboot.org/c/coreboot/+/40294 )

Change subject: cpu/x86/smm.h: Add SW SMI for PSP SMM Info
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cpu/x86/smm.h: Add SW SMI for PSP SMM Info

Add a definition for a software SMI to allow AMD systems supporting
the MboxBiosCmdSmmInfo command to properly initialize the PSP.

BUG=b:153677737

Signed-off-by: Marshall Dawson 
Change-Id: I1d78aabb75cb76178a3606777d6a11f1e8806d9b
Reviewed-on: https://review.coreboot.org/c/coreboot/+/40294
Reviewed-by: Angel Pons 
Tested-by: build bot (Jenkins) 
---
M src/include/cpu/x86/smm.h
1 file changed, 1 insertion(+), 0 deletions(-)

Approvals:
  build bot (Jenkins): Verified
  Angel Pons: Looks good to me, approved

diff --git a/src/include/cpu/x86/smm.h b/src/include/cpu/x86/smm.h
index 0b76708..afa8cf4 100644
--- a/src/include/cpu/x86/smm.h
+++ b/src/include/cpu/x86/smm.h
@@ -25,6 +25,7 @@
 #define APM_CNT_GNVS_UPDATE	0xea
 #define APM_CNT_FINALIZE	0xcb
 #define APM_CNT_LEGACY		0xcc
+#define APM_CNT_SMMINFO		0xec
 #define APM_CNT_SMMSTORE	0xed
 #define APM_CNT_ELOG_GSMI	0xef
 #define APM_STS		0xb3