tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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>
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include/asm-xtensa/io.h
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include/asm-xtensa/io.h
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#include <linux/types.h>
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#define XCHAL_KIO_CACHED_VADDR 0xf0000000
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#define XCHAL_KIO_BYPASS_VADDR 0xf8000000
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#define XCHAL_KIO_CACHED_VADDR 0xe0000000
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#define XCHAL_KIO_BYPASS_VADDR 0xf0000000
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#define XCHAL_KIO_PADDR 0xf0000000
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#define XCHAL_KIO_SIZE 0x08000000
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#define XCHAL_KIO_SIZE 0x10000000
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#define IOADDR(x) (XCHAL_KIO_BYPASS_VADDR + (x))
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/*
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* swap functions to change byte order from little-endian to big-endian and