diff --git a/include/uapi/linux/kexec.h b/include/uapi/linux/kexec.h
index d891d8009a17296601047e80446d8ce80a8f0509..52b38feeb01abfb496727bb49f960de85970d211 100644
--- a/include/uapi/linux/kexec.h
+++ b/include/uapi/linux/kexec.h
@@ -43,6 +43,7 @@
 #define KEXEC_ARCH_MIPS_LE (10 << 16)
 #define KEXEC_ARCH_MIPS    ( 8 << 16)
 #define KEXEC_ARCH_AARCH64 (183 << 16)
+#define KEXEC_ARCH_SW64    (0x9916UL << 16)
 
 /* The artificial cap on the number of segments passed to kexec_load. */
 #define KEXEC_SEGMENT_MAX 16