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diff --git a/arch/powerpc/sysdev/dart.h b/arch/powerpc/sysdev/dart.h
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+/*
+ * Copyright (C) 2004 Olof Johansson <olof@lixom.net>, IBM Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef _POWERPC_SYSDEV_DART_H
+#define _POWERPC_SYSDEV_DART_H
+
+
+/* physical base of DART registers */
+#define DART_BASE 0xf8033000UL
+
+/* Offset from base to control register */
+#define DARTCNTL 0
+/* Offset from base to exception register */
+#define DARTEXCP 0x10
+/* Offset from base to TLB tag registers */
+#define DARTTAG 0x1000
+
+
+/* Control Register fields */
+
+/* base address of table (pfn) */
+#define DARTCNTL_BASE_MASK 0xfffff
+#define DARTCNTL_BASE_SHIFT 12
+
+#define DARTCNTL_FLUSHTLB 0x400
+#define DARTCNTL_ENABLE 0x200
+
+/* size of table in pages */
+#define DARTCNTL_SIZE_MASK 0x1ff
+#define DARTCNTL_SIZE_SHIFT 0
+
+
+/* DART table fields */
+
+#define DARTMAP_VALID 0x80000000
+#define DARTMAP_RPNMASK 0x00ffffff
+
+
+#define DART_PAGE_SHIFT 12
+#define DART_PAGE_SIZE (1 << DART_PAGE_SHIFT)
+#define DART_PAGE_FACTOR (PAGE_SHIFT - DART_PAGE_SHIFT)
+
+
+#endif /* _POWERPC_SYSDEV_DART_H */