include/asm-arm/arch-s5c7375/io.h

   1 /*
   2  *  linux/include/asm-arm/arch-s5c7375/io.h
   3  *
   4  *  Copyright (C) 2003 SAMSUNG ELECTRONICS
   5  *                      Hyok S. Choi <hyok.choi@samsung.com>
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  20  */
  21 #ifndef __ASM_ARM_ARCH_IO_H
  22 #define __ASM_ARM_ARCH_IO_H
  23
  24 #define IO_SPACE_LIMIT 0xffffffff
  25         /* Used in kernel/resource.c */
  26
  27 /*
  28  * We have the this routine to use usb host device driver
  29  *
  30  */
  31
  32
  33 #define PCI_IO_VADDR      (0x0)
  34 #define PCI_MEMORY_VADDR  (0x0)
  35
  36 #define __io(a)                 (PCI_IO_VADDR + (a))
  37 #define __mem_pci(a)            ((unsigned long)(a))
  38 #define __mem_isa(a)            (PCI_MEMORY_VADDR + (unsigned long)(a))
  39
  40
  41 /*
  42  * Generic virtual read/write
  43  */
  44 #if 0
  45 #define __arch_getw(a)          (*(volatile unsigned short *)(a))
  46 #define __arch_putw(v,a)        (*(volatile unsigned short *)(a) = (v))
  47 #endif
  48 /*
  49  * Validate the pci memory address for ioremap.
  50  */
  51 #define iomem_valid_addr(iomem,size)    (1)
  52
  53
  54 /*
  55  * For example,
  56  * CS8900A Net Device Driver
  57  * for asm/io.h
  58  */
  59 /*
  60 #define __io
  61 */
  62
  63
  64 /*
  65  * Convert PCI memory space to a CPU physical address
  66  */
  67 #define iomem_to_phys(iomem)    (iomem)
  68
  69 #endif