include/asm-arm/arch-atmel/io.h

   1 /*
   2  * linux/include/asm-arm/arch-atmel/io.h
   3  *
   4  * Copyright (C) 1997-1999 Russell King
   5  * modified for 2.6 by Hyok S. Choi
   6  *
   7  * Modifications:
   8  *  06-12-1997  RMK     Created.
   9  *  07-04-1999  RMK     Major cleanup
  10  *  02-19-2001  gjm     Leveraged for armnommu/dsc21
  11  *  03-15-2004  hsc     modified
  12  */
  13 #ifndef __ASM_ARM_ARCH_IO_H
  14 #define __ASM_ARM_ARCH_IO_H
  15
  16 #define IO_SPACE_LIMIT 0xffffffff
  17         /* Used in kernel/resource.c */
  18
  19
  20 #define PCI_IO_VADDR      (0x0)
  21 #define PCI_MEMORY_VADDR  (0x0)
  22
  23 #define __io(a) (CONFIG_IO16_BASE + (a))
  24 #define __iob(a) (CONFIG_IO8_BASE + (a))        // byte io address
  25 #define __mem_pci(a)    ((unsigned long)(a))
  26
  27 /*
  28  * Defining these two gives us ioremap for free. See asm/io.h.
  29  * --gmcnutt
  30  */
  31 #define iomem_valid_addr(iomem,sz) (1)
  32 #define iomem_to_phys(iomem) (iomem)
  33
  34 #ifdef CONFIG_CPU_BIG_ENDIAN
  35 # error not_yet_supported
  36 #define __io_noswap 1
  37 #endif
  38
  39 #endif
  40