3 files changed, 11 insertions, 0 deletions
diff --git a/src/include/cpu/amd/model_10xxx_msr.h b/src/include/cpu/amd/model_10xxx_msr.h
index f497eb3a82..b34a2814cf 100644
--- a/src/include/cpu/amd/model_10xxx_msr.h
+++ b/src/include/cpu/amd/model_10xxx_msr.h
@@ -22,6 +22,10 @@
 
 #include <cpu/x86/msr.h>
 
+#define SMM_BASE_MSR			0xC0010111
+#define SMM_ADDR_MSR			0xC0010112
+#define SMM_MASK_MSR			0xC0010113
+
 #define HWCR_MSR			0xC0010015
 #define NB_CFG_MSR			0xC001001f
 #define LS_CFG_MSR			0xC0011020
diff --git a/src/include/cpu/amd/model_fxx_msr.h b/src/include/cpu/amd/model_fxx_msr.h
index b4795cbbb2..2ac2d4eb84 100644
--- a/src/include/cpu/amd/model_fxx_msr.h
+++ b/src/include/cpu/amd/model_fxx_msr.h
@@ -1,6 +1,10 @@
 #ifndef CPU_AMD_MODEL_FXX_MSR_H
 #define CPU_AMD_MODEL_FXX_MSR_H
 
+#define SMM_BASE_MSR			0xc0010111
+#define SMM_ADDR_MSR			0xc0010112
+#define SMM_MASK_MSR			0xc0010113
+
 #define HWCR_MSR			0xC0010015
 #define NB_CFG_MSR			0xC001001f
 #define LS_CFG_MSR                      0xC0011020
diff --git a/src/include/cpu/x86/smm.h b/src/include/cpu/x86/smm.h
index 49ee2be514..c314c3971a 100644
--- a/src/include/cpu/x86/smm.h
+++ b/src/include/cpu/x86/smm.h
@@ -24,6 +24,9 @@
 #ifndef CPU_X86_SMM_H
 #define CPU_X86_SMM_H
 
+/* used only by C programs so far */
+#define SMM_BASE 0xa0000
+
 #include <types.h>
 typedef struct {
 	u16	es_selector;