include/asm-arm/arch-s3c3410/io.h

   1 /*
   2  *  linux/include/asm-arm/arch-s3c3410/io.h
   3  *
   4  * Copyright (C) 2003 Thomas Eschenbacher <eschenbacher@sympat.de>
   5  * Modified by Hyok S. Choi <hyok.choi@samsung.com>
   6  *
   7  */
   8 #ifndef __ASM_ARM_ARCH_IO_H
   9 #define __ASM_ARM_ARCH_IO_H
  10
  11 #define IO_SPACE_LIMIT 0xffffffff
  12         /* Used in kernel/resource.c */
  13
  14 /*
  15  * We have the this routine to use usb host device driver
  16  */
  17
  18
  19 #define PCI_IO_VADDR      (0x0)
  20 #define PCI_MEMORY_VADDR  (0x0)
  21
  22 #define __io(a)                 (PCI_IO_VADDR + (a))
  23 #define __mem_pci(a)            ((unsigned long)(a))
  24 #define __mem_isa(a)            (PCI_MEMORY_VADDR + (unsigned long)(a))
  25
  26
  27 /*
  28  * These macros were copied from arch/armnommu/io.h and are used instead
  29  * of the definitions found there, because we want to do 16/32 bit i/o
  30  * without byte swapping.
  31  * --the
  32  */
  33
  34 #undef __io
  35
  36 #ifndef __iob
  37   #define __iob(a) __io(a)
  38 #endif
  39
  40 #define outb(v,p)       __raw_writeb(v, p)
  41 #define outw(v,p)       __raw_writew(v, p)
  42 #define outl(v,p)       __raw_writel(v, p)
  43
  44 #define inb(p)          ({ unsigned int __v = __raw_readb(p); __v; })
  45 #define inw(p)          ({ unsigned int __v = __raw_readw(p); __v; })
  46 #define inl(p)          ({ unsigned int __v = __raw_readl(p); __v; })
  47
  48 #define outsb(p,d,l)    __raw_writesb(p, d, l)
  49 #define outsw(p,d,l)    __raw_writesw(p, d, l)
  50 #define outsl(p,d,l)    __raw_writesl(p, d, l)
  51
  52 #define insb(p,d,l)     __raw_readsb(p, d, l)
  53 #define insw(p,d,l)     __raw_readsw(p, d, l)
  54 #define insl(p,d,l)     __raw_readsl(p, d, l)
  55
  56 /*
  57  * Validate the pci memory address for ioremap.
  58  */
  59 #define iomem_valid_addr(iomem,size)    (1)
  60
  61
  62 /*
  63  * Convert PCI memory space to a CPU physical address
  64  */
  65 #define iomem_to_phys(iomem)    (iomem)
  66
  67 #endif