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authorKevin Cernekee <cernekee@gmail.com>2010-09-07 12:59:15 -0700
committerRalf Baechle <ralf@linux-mips.org>2011-07-25 17:26:53 +0100
commit565b60de325070ccc54b18346a1238d4fae17954 (patch)
tree700ad5b99985013e2cee8e0b98912ed1de9b92b7 /arch/mips
parentd0023c4a0af1ff16fe183257682025bfcc068e85 (diff)
downloadop-kernel-dev-565b60de325070ccc54b18346a1238d4fae17954.zip
op-kernel-dev-565b60de325070ccc54b18346a1238d4fae17954.tar.gz
MIPS: Move FIXADDR_TOP into spaces.h
Memory maps and addressing quirks are normally defined in <spaces.h>. There are already three targets that need to override FIXADDR_TOP, and others exist. This will be a cleaner approach than adding lots of ifdefs in fixmap.h . Signed-off-by: Kevin Cernekee <cernekee@gmail.com> Cc: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/1573/ Acked-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips')
-rw-r--r--arch/mips/include/asm/fixmap.h10
-rw-r--r--arch/mips/include/asm/mach-bcm63xx/spaces.h17
-rw-r--r--arch/mips/include/asm/mach-generic/spaces.h4
-rw-r--r--arch/mips/include/asm/mach-tx39xx/spaces.h17
-rw-r--r--arch/mips/include/asm/mach-tx49xx/spaces.h17
5 files changed, 56 insertions, 9 deletions
diff --git a/arch/mips/include/asm/fixmap.h b/arch/mips/include/asm/fixmap.h
index 0b89b83..98bcc98 100644
--- a/arch/mips/include/asm/fixmap.h
+++ b/arch/mips/include/asm/fixmap.h
@@ -14,6 +14,7 @@
#define _ASM_FIXMAP_H
#include <asm/page.h>
+#include <spaces.h>
#ifdef CONFIG_HIGHMEM
#include <linux/threads.h>
#include <asm/kmap_types.h>
@@ -67,15 +68,6 @@ enum fixed_addresses {
* the start of the fixmap, and leave one page empty
* at the top of mem..
*/
-#ifdef CONFIG_BCM63XX
-#define FIXADDR_TOP ((unsigned long)(long)(int)0xff000000)
-#else
-#if defined(CONFIG_CPU_TX39XX) || defined(CONFIG_CPU_TX49XX)
-#define FIXADDR_TOP ((unsigned long)(long)(int)(0xff000000 - 0x20000))
-#else
-#define FIXADDR_TOP ((unsigned long)(long)(int)0xfffe0000)
-#endif
-#endif
#define FIXADDR_SIZE (__end_of_fixed_addresses << PAGE_SHIFT)
#define FIXADDR_START (FIXADDR_TOP - FIXADDR_SIZE)
diff --git a/arch/mips/include/asm/mach-bcm63xx/spaces.h b/arch/mips/include/asm/mach-bcm63xx/spaces.h
new file mode 100644
index 0000000..61e750f
--- /dev/null
+++ b/arch/mips/include/asm/mach-bcm63xx/spaces.h
@@ -0,0 +1,17 @@
+/*
+ * 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_BCM63XX_SPACES_H
+#define _ASM_BCM63XX_SPACES_H
+
+#define FIXADDR_TOP ((unsigned long)(long)(int)0xff000000)
+
+#include <asm/mach-generic/spaces.h>
+
+#endif /* __ASM_BCM63XX_SPACES_H */
diff --git a/arch/mips/include/asm/mach-generic/spaces.h b/arch/mips/include/asm/mach-generic/spaces.h
index c9fa4b1..d7a9efd 100644
--- a/arch/mips/include/asm/mach-generic/spaces.h
+++ b/arch/mips/include/asm/mach-generic/spaces.h
@@ -82,4 +82,8 @@
#define PAGE_OFFSET (CAC_BASE + PHYS_OFFSET)
#endif
+#ifndef FIXADDR_TOP
+#define FIXADDR_TOP ((unsigned long)(long)(int)0xfffe0000)
+#endif
+
#endif /* __ASM_MACH_GENERIC_SPACES_H */
diff --git a/arch/mips/include/asm/mach-tx39xx/spaces.h b/arch/mips/include/asm/mach-tx39xx/spaces.h
new file mode 100644
index 0000000..151fe7a
--- /dev/null
+++ b/arch/mips/include/asm/mach-tx39xx/spaces.h
@@ -0,0 +1,17 @@
+/*
+ * 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_TX39XX_SPACES_H
+#define _ASM_TX39XX_SPACES_H
+
+#define FIXADDR_TOP ((unsigned long)(long)(int)0xfefe0000)
+
+#include <asm/mach-generic/spaces.h>
+
+#endif /* __ASM_TX39XX_SPACES_H */
diff --git a/arch/mips/include/asm/mach-tx49xx/spaces.h b/arch/mips/include/asm/mach-tx49xx/spaces.h
new file mode 100644
index 0000000..0cb10a6
--- /dev/null
+++ b/arch/mips/include/asm/mach-tx49xx/spaces.h
@@ -0,0 +1,17 @@
+/*
+ * 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_TX49XX_SPACES_H
+#define _ASM_TX49XX_SPACES_H
+
+#define FIXADDR_TOP ((unsigned long)(long)(int)0xfefe0000)
+
+#include <asm/mach-generic/spaces.h>
+
+#endif /* __ASM_TX49XX_SPACES_H */
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