--- /dev/null
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2006 Silicon Graphics, Inc. All rights reserved.
+ */
+
+#ifndef _ASM_IA64_SN_ACPI_H
+#define _ASM_IA64_SN_ACPI_H
+
+extern int sn_acpi_rev;
+#define SN_ACPI_BASE_SUPPORT() (sn_acpi_rev >= 0x20101)
+
+#endif /* _ASM_IA64_SN_ACPI_H */