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cvs head ip22/64 spaces.h

To: Ralf Baechle <ralf@linux-mips.org>
Subject: cvs head ip22/64 spaces.h
From: Florian Lohoff <flo@rfc822.org>
Date: Thu, 23 Sep 2004 01:09:38 +0200
Cc: linux-mips@linux-mips.org
Organization: rfc822 - pure communication
Original-recipient: rfc822;linux-mips@linux-mips.org
Sender: linux-mips-bounce@linux-mips.org
User-agent: Mutt/1.5.4i
Hi,
it seems cvs head needs something like this. if not provided kernel
crashes early in free_bootmem_core on the last BUG

Flo

--- linux-20040922-2.6-mips64-ip22/include/asm-mips/mach-ip22/spaces.h  
2004-09-21 12:59:52.000000000 +0200
+++ linux-20040922-2.6-mips64-ip22/include/asm-mips/mach-ip22/spaces.h  
2004-09-22 19:22:40.000000000 +0200
@@ -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_SPACES_H
+#define _ASM_MACH_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_GENERIC_SPACES_H */
-- 
Florian Lohoff                  flo@rfc822.org             +49-171-2280134
                        Heisenberg may have been here.

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