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Commit 00c81d23 authored by Chris Zankel's avatar Chris Zankel
Browse files

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: default avatarChris Zankel <chris@zankel.net>
parent 74f2a5f0

include/asm-xtensa/io.h

+5 −3
Original line number Diff line number Diff line
@@ -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