diff --git a/include/linux/amlogic/cpu_version.h b/include/linux/amlogic/cpu_version.h
index 3a0faab3ee8d..15111e2e2210 100644
--- a/include/linux/amlogic/cpu_version.h
+++ b/include/linux/amlogic/cpu_version.h
@@ -34,6 +34,7 @@
 
 #define MESON_CPU_MAJOR_ID_G12A		0x28
 #define MESON_CPU_MAJOR_ID_G12B		0x29
+#define MESON_CPU_MAJOR_ID_SM1		0x2B
 
 #define MESON_CPU_MAJOR_ID_TL1		0x2E