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-rw-r--r--src/include/cpu/x86/smm.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/include/cpu/x86/smm.h b/src/include/cpu/x86/smm.h
index 1073d03e49..6cf6f8290e 100644
--- a/src/include/cpu/x86/smm.h
+++ b/src/include/cpu/x86/smm.h
@@ -197,5 +197,8 @@ void smm_list_regions(void);
/* Return the SMM save state revision. The revision can be fetched from the smm savestate
which is always at the same offset downward from the top of the save state. */
uint32_t smm_revision(void);
+/* Returns the PM ACPI SMI port. On Intel systems this typically not configurable (APM_CNT, 0xb2).
+ On AMD systems it is sometimes configurable. */
+uint16_t pm_acpi_smi_cmd_port(void);
#endif /* CPU_X86_SMM_H */