1 files changed, 55 insertions, 0 deletions

diff --git a/include/asm-mips/mach-ip22/spaces.h b/include/asm-mips/mach-ip22/spaces.h
new file mode 100644
index 000000000000..30d42fcafe3d
--- /dev/null
+++ b/include/asm-mips/mach-ip22/spaces.h
@@ -0,0 +1,55 @@
+/*
+ * 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) 1994 - 1999, 2000, 03, 04 Ralf Baechle
+ * Copyright (C) 2000, 2002  Maciej W. Rozycki
+ * Copyright (C) 1990, 1999, 2000 Silicon Graphics, Inc.
+ */
+#ifndef _ASM_MACH_IP22_SPACES_H
+#define _ASM_MACH_IP22_SPACES_H
+
+#include <linux/config.h>
+
+#ifdef CONFIG_MIPS32
+
+#define CAC_BASE                0x80000000
+#define IO_BASE                 0xa0000000
+#define UNCAC_BASE              0xa0000000
+#define MAP_BASE                0xc0000000
+
+/*
+ * This handles the memory map.
+ * We handle pages at KSEG0 for kernels with 32 bit address space.
+ */
+#define PAGE_OFFSET             0x80000000UL
+
+/*
+ * Memory above this physical address will be considered highmem.
+ */
+#ifndef HIGHMEM_START
+#define HIGHMEM_START           0x20000000UL
+#endif
+
+#endif /* CONFIG_MIPS32 */
+
+#ifdef CONFIG_MIPS64
+#define PAGE_OFFSET             0xffffffff80000000UL
+
+#ifndef HIGHMEM_START
+#define HIGHMEM_START           (1UL << 59UL)
+#endif
+
+#define CAC_BASE                0xffffffff80000000
+#define IO_BASE                 0xffffffffa0000000
+#define UNCAC_BASE              0xffffffffa0000000
+#define MAP_BASE                0xffffffffc0000000
+
+#define TO_PHYS(x)              (             ((x) & TO_PHYS_MASK))
+#define TO_CAC(x)               (CAC_BASE   | ((x) & TO_PHYS_MASK))
+#define TO_UNCAC(x)             (UNCAC_BASE | ((x) & TO_PHYS_MASK))
+
+#endif /* CONFIG_MIPS64 */
+
+#endif /* __ASM_MACH_IP22_SPACES_H */