include/asm-arm/arch-lpc22xx/io.h

   1 /*
   2  *  linux/include/asm-arm/arch-lpc22xx/io.h
   3  *
   4  * Copyright (C) 2004 Philips Semiconductors
   5  *
   6  */
   7 #ifndef __ASM_ARM_ARCH_IO_H
   8 #define __ASM_ARM_ARCH_IO_H
   9
  10 #define IO_SPACE_LIMIT 0xffffffff
  11 /* Used in kernel/resource.c */
  12
  13 /*
  14  * We have the this routine to use usb host device driver
  15  */
  16
  17
  18 #define PCI_IO_VADDR      (0x0)
  19 #define PCI_MEMORY_VADDR  (0x0)
  20
  21 #define __io(a)                 (PCI_IO_VADDR + (a))
  22 #define __mem_pci(a)            ((unsigned long)(a))
  23 #define __mem_isa(a)            (PCI_MEMORY_VADDR + (unsigned long)(a))
  24
  25
  26 /*
  27  * These macros were copied from arch/armnommu/io.h and are used instead
  28  * of the definitions found there, because we want to do 16/32 bit i/o
  29  * without byte swapping.
  30  * --the
  31  */
  32
  33 #undef __io
  34
  35 #ifndef __iob
  36   #define __iob(a) __io(a)
  37 #endif
  38
  39 #define outb(v,p)       __raw_writeb(v, p)
  40 #define outw(v,p)       __raw_writew(v, p)
  41 #define outl(v,p)       __raw_writel(v, p)
  42
  43 #define inb(p)          ({ unsigned int __v = __raw_readb(p); __v; })
  44 #define inw(p)          ({ unsigned int __v = __raw_readw(p); __v; })
  45 #define inl(p)          ({ unsigned int __v = __raw_readl(p); __v; })
  46
  47 #define outsb(p,d,l)    __raw_writesb(p, d, l)
  48 #define outsw(p,d,l)    __raw_writesw(p, d, l)
  49 #define outsl(p,d,l)    __raw_writesl(p, d, l)
  50
  51 #define insb(p,d,l)     __raw_readsb(p, d, l)
  52 #define insw(p,d,l)     __raw_readsw(p, d, l)
  53 #define insl(p,d,l)     __raw_readsl(p, d, l)
  54
  55 /*
  56  * Validate the pci memory address for ioremap.
  57  */
  58 #define iomem_valid_addr(iomem,size)    (1)
  59
  60
  61 /*
  62  * Convert PCI memory space to a CPU physical address
  63  */
  64 #define iomem_to_phys(iomem)    (iomem)
  65
  66 #endif