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>

1 files changed, 5 insertions, 3 deletions

diff --git a/include/asm-xtensa/io.h b/include/asm-xtensa/io.h
index 47c3616ea9a..07b7299dab2 100644
--- a/include/asm-xtensa/io.h
+++ b/include/asm-xtensa/io.h
@@ -18,10 +18,12 @@
 
 #include <linux/types.h>
 
-#define XCHAL_KIO_CACHED_VADDR  0xf0000000
-#define XCHAL_KIO_BYPASS_VADDR  0xf8000000
+#define XCHAL_KIO_CACHED_VADDR  0xe0000000
+#define XCHAL_KIO_BYPASS_VADDR  0xf0000000
 #define XCHAL_KIO_PADDR         0xf0000000
-#define XCHAL_KIO_SIZE          0x08000000
+#define XCHAL_KIO_SIZE          0x10000000
+
+#define IOADDR(x)               (XCHAL_KIO_BYPASS_VADDR + (x))
 
 /*
  * swap functions to change byte order from little-endian to big-endian and