[BACK]Return to io.h CVS log [TXT][DIR] Up to [Development] / linux-2.6-xfs / include / asm-avr32 / arch-at32ap
File: [Development] / linux-2.6-xfs / include / asm-avr32 / arch-at32ap / Attic / io.h (download)

Revision 1.2, Tue Feb 26 16:44:40 2008 UTC (9 years, 7 months ago) by lachlan.longdrop.melbourne.sgi.com
Branch: MAIN
Changes since 1.1: +2 -2 lines 

Merge up to 2.6.25-rc3
Merge of 2.6.x-xfs-melb:linux:30555a by kenmcd.

#ifndef __ASM_AVR32_ARCH_AT32AP_IO_H
#define __ASM_AVR32_ARCH_AT32AP_IO_H

/* For "bizarre" halfword swapping */
#include <linux/byteorder/swabb.h>

#if defined(CONFIG_AP700X_32_BIT_SMC)
# define __swizzle_addr_b(addr)	(addr ^ 3UL)
# define __swizzle_addr_w(addr)	(addr ^ 2UL)
# define __swizzle_addr_l(addr)	(addr)
# define ioswabb(a, x)		(x)
# define ioswabw(a, x)		(x)
# define ioswabl(a, x)		(x)
# define __mem_ioswabb(a, x)	(x)
# define __mem_ioswabw(a, x)	swab16(x)
# define __mem_ioswabl(a, x)	swab32(x)
#elif defined(CONFIG_AP700X_16_BIT_SMC)
# define __swizzle_addr_b(addr)	(addr ^ 1UL)
# define __swizzle_addr_w(addr)	(addr)
# define __swizzle_addr_l(addr)	(addr)
# define ioswabb(a, x)		(x)
# define ioswabw(a, x)		(x)
# define ioswabl(a, x)		swahw32(x)
# define __mem_ioswabb(a, x)	(x)
# define __mem_ioswabw(a, x)	swab16(x)
# define __mem_ioswabl(a, x)	swahb32(x)
#else
# define __swizzle_addr_b(addr)	(addr)
# define __swizzle_addr_w(addr)	(addr)
# define __swizzle_addr_l(addr)	(addr)
# define ioswabb(a, x)		(x)
# define ioswabw(a, x)		swab16(x)
# define ioswabl(a, x)		swab32(x)
# define __mem_ioswabb(a, x)	(x)
# define __mem_ioswabw(a, x)	(x)
# define __mem_ioswabl(a, x)	(x)
#endif

#endif /* __ASM_AVR32_ARCH_AT32AP_IO_H */