target/linux/ar71xx/files-2.6.28/arch/mips/include/asm/mach-ar71xx/mangle-port.h

   1 /*
   2  *  Copyright (C) 2008 Gabor Juhos <juhosg@openwrt.org>
   3  *  Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
   4  *
   5  *  This file was derived from: inlude/asm-mips/mach-generic/mangle-port.h
   6  *      Copyright (C) 2003, 2004 Ralf Baechle
   7  *
   8  *  This program is free software; you can redistribute it and/or modify it
   9  *  under the terms of the GNU General Public License version 2 as published
  10  *  by the Free Software Foundation.
  11  */
  12
  13 #ifndef __ASM_MACH_AR71XX_MANGLE_PORT_H
  14 #define __ASM_MACH_AR71XX_MANGLE_PORT_H
  15
  16 #define __swizzle_addr_b(port)  ((port) ^ 3)
  17 #define __swizzle_addr_w(port)  ((port) ^ 2)
  18 #define __swizzle_addr_l(port)  (port)
  19 #define __swizzle_addr_q(port)  (port)
  20
  21 #if defined(CONFIG_SWAP_IO_SPACE)
  22
  23 # define ioswabb(a, x)           (x)
  24 # define __mem_ioswabb(a, x)     (x)
  25 # define ioswabw(a, x)           le16_to_cpu(x)
  26 # define __mem_ioswabw(a, x)     (x)
  27 # define ioswabl(a, x)           le32_to_cpu(x)
  28 # define __mem_ioswabl(a, x)     (x)
  29 # define ioswabq(a, x)           le64_to_cpu(x)
  30 # define __mem_ioswabq(a, x)     (x)
  31
  32 #else
  33
  34 # define ioswabb(a, x)           (x)
  35 # define __mem_ioswabb(a, x)     (x)
  36 # define ioswabw(a, x)           (x)
  37 # define __mem_ioswabw(a, x)     cpu_to_le16(x)
  38 # define ioswabl(a, x)           (x)
  39 # define __mem_ioswabl(a, x)     cpu_to_le32(x)
  40 # define ioswabq(a, x)           (x)
  41 # define __mem_ioswabq(a, x)     cpu_to_le64(x)
  42
  43 #endif
  44
  45 #endif /* __ASM_MACH_AR71XX_MANGLE_PORT_H */