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authorAtsushi Nemoto <anemo@mba.ocn.ne.jp>2006-06-20 23:59:11 +0900
committerRalf Baechle <ralf@linux-mips.org>2006-06-29 21:10:52 +0100
commitf7a849153be3b66326b52dce0d07896b56cb4cd7 (patch)
tree71afe4415b664ae3d34a28568c1b09a9dd9129a3 /include/asm-mips
parent6feb6efaec9858dfb673fc5c89b8280b1b73bb08 (diff)
[MIPS] Fix FIXADDR_TOP for TX39/TX49.
FIXADDR_TOP is used for HIGHMEM and for upper limit of vmalloc area on 32bit kernel. TX39XX and TX49XX have "reserved" segment in CKSEG3 area. 0xff000000-0xff3fffff on TX49XX and 0xff000000-0xfffeffff on TX39XX are reserved (unmapped, uncached) therefore can not be used as mapped area. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'include/asm-mips')
-rw-r--r--include/asm-mips/fixmap.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/asm-mips/fixmap.h b/include/asm-mips/fixmap.h
index 1cadefbbc03..6959bdb5931 100644
--- a/include/asm-mips/fixmap.h
+++ b/include/asm-mips/fixmap.h
@@ -69,7 +69,11 @@ extern void __set_fixmap (enum fixed_addresses idx,
* the start of the fixmap, and leave one page empty
* at the top of mem..
*/
+#if defined(CONFIG_CPU_TX39XX) || defined(CONFIG_CPU_TX49XX)
+#define FIXADDR_TOP (0xff000000UL - 0x2000)
+#else
#define FIXADDR_TOP (0xffffe000UL)
+#endif
#define FIXADDR_SIZE (__end_of_fixed_addresses << PAGE_SHIFT)
#define FIXADDR_START (FIXADDR_TOP - FIXADDR_SIZE)