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[ARM] pxa: introduce cpu_is_pxaXXX macros

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Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Russell King 2007-05-15 10:26:49 +01:00 • committed by Russell King
commit b23170c01f
2 changed files with 38 additions and 4 deletions
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36
include/asm-arm/arch-pxa/hardware.h
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@ -62,6 +62,42 @@
#ifndef __ASSEMBLY__
#define __cpu_is_pxa21x(id) \
({ \
unsigned int _id = (id) >> 4 & 0xf3f; \
_id == 0x212; \
})
#define __cpu_is_pxa25x(id) \
({ \
unsigned int _id = (id) >> 4 & 0xfff; \
_id == 0x2d0 || _id == 0x290; \
})
#define __cpu_is_pxa27x(id) \
({ \
unsigned int _id = (id) >> 4 & 0xfff; \
_id == 0x411; \
})
#define cpu_is_pxa21x() \
({ \
unsigned int id = read_cpuid(CPUID_ID); \
__cpu_is_pxa21x(id); \
})
#define cpu_is_pxa25x() \
({ \
unsigned int id = read_cpuid(CPUID_ID); \
__cpu_is_pxa25x(id); \
})
#define cpu_is_pxa27x() \
({ \
unsigned int id = read_cpuid(CPUID_ID); \
__cpu_is_pxa27x(id); \
})
/*
* Handy routine to set GPIO alternate functions
*/