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-rw-r--r--include/asm-mips/mach-ip32/spaces.h36
1 files changed, 36 insertions, 0 deletions
diff --git a/include/asm-mips/mach-ip32/spaces.h b/include/asm-mips/mach-ip32/spaces.h
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+/*
+ * 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, 05 Ralf Baechle (ralf@linux-mips.org)
+ * Copyright (C) 2000, 2002 Maciej W. Rozycki
+ * Copyright (C) 1990, 1999, 2000 Silicon Graphics, Inc.
+ */
+#ifndef _ASM_MACH_IP32_SPACES_H
+#define _ASM_MACH_IP32_SPACES_H
+
+/*
+ * Memory above this physical address will be considered highmem.
+ * Fixme: 59 bits is a fictive number and makes assumptions about processors
+ * in the distant future. Nobody will care for a few years :-)
+ */
+#ifndef HIGHMEM_START
+#define HIGHMEM_START (1UL << 59UL)
+#endif
+
+#define CAC_BASE 0x9800000000000000
+#define IO_BASE 0x9000000000000000
+#define UNCAC_BASE 0x9000000000000000
+#define MAP_BASE 0xc000000000000000
+
+#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))
+
+/*
+ * This handles the memory map.
+ */
+#define PAGE_OFFSET CAC_BASE
+
+#endif /* __ASM_MACH_IP32_SPACES_H */
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