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-rw-r--r--src/include/cpu/x86/smm.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/include/cpu/x86/smm.h b/src/include/cpu/x86/smm.h
index 513b6df708..9db1461d9d 100644
--- a/src/include/cpu/x86/smm.h
+++ b/src/include/cpu/x86/smm.h
@@ -24,6 +24,7 @@
#define APM_CNT_ACPI_ENABLE 0xe1
#define APM_CNT_MBI_UPDATE 0xeb
#define APM_CNT_GNVS_UPDATE 0xea
+#define APM_CNT_ROUTE_ALL_XHCI 0xca
#define APM_CNT_FINALIZE 0xcb
#define APM_CNT_LEGACY 0xcc
#define APM_CNT_SMMINFO 0xec