commit d2d93829bbe121c641973e87da658b2fa8204259
author Marshall Dawson <marshall.dawson@amd.corp-partner.google.com> Mon Mar 16 20:05:05 2020 -0600
committer Felix Held <felix-coreboot@felixheld.de> Mon Apr 13 12:39:25 2020 +0000
tree efb4cf75d8344bbd34ea4dbc3ceda2337f676585
parent d6b7236732d8cc74545849f4b81af1d33e8758e2

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 <marshalldawson3rd@gmail.com>
Change-Id: I1d78aabb75cb76178a3606777d6a11f1e8806d9b
Reviewed-on: https://review.coreboot.org/c/coreboot/+/40294
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/include/cpu/x86/smm.h

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