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authorChris Zankel <chris@zankel.net>2008-10-21 12:08:31 -0400
committerChris Zankel <chris@zankel.net>2008-10-21 12:08:31 -0400
commit00c81d23d330207d0fb99ca0c6682265d287816c (patch)
tree4c65778ad15896460c3b7bf1ad9cf5a0d252bbab
parent74f2a5f0ef643b7b277f7a270f85573f88d930d1 (diff)
xtensa: Fix io regions
The uncached area starts at e000.0000 and spans 1GB. Also add an IOADDR macro to determine the bypass region to access the IO space. Signed-off-by: Chris Zankel <chris@zankel.net>
-rw-r--r--include/asm-xtensa/io.h8
1 files changed, 5 insertions, 3 deletions
diff --git a/include/asm-xtensa/io.h b/include/asm-xtensa/io.h
index 47c3616ea9ac..07b7299dab20 100644
--- a/include/asm-xtensa/io.h
+++ b/include/asm-xtensa/io.h
@@ -18,10 +18,12 @@
18 18
19#include <linux/types.h> 19#include <linux/types.h>
20 20
21#define XCHAL_KIO_CACHED_VADDR 0xf0000000 21#define XCHAL_KIO_CACHED_VADDR 0xe0000000
22#define XCHAL_KIO_BYPASS_VADDR 0xf8000000 22#define XCHAL_KIO_BYPASS_VADDR 0xf0000000
23#define XCHAL_KIO_PADDR 0xf0000000 23#define XCHAL_KIO_PADDR 0xf0000000
24#define XCHAL_KIO_SIZE 0x08000000 24#define XCHAL_KIO_SIZE 0x10000000
25
26#define IOADDR(x) (XCHAL_KIO_BYPASS_VADDR + (x))
25 27
26/* 28/*
27 * swap functions to change byte order from little-endian to big-endian and 29 * swap functions to change byte order from little-endian to big-endian and