arch/arm/plat-iop/setup.c

   1 /*
   2  * arch/arm/plat-iop/setup.c
   3  *
   4  * Author: Nicolas Pitre <nico@cam.org>
   5  * Copyright (C) 2001 MontaVista Software, Inc.
   6  * Copyright (C) 2004 Intel Corporation.
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License version 2 as
  10  * published by the Free Software Foundation.
  11  */
  12
  13 #include <linux/mm.h>
  14 #include <linux/init.h>
  15 #include <asm/mach/map.h>
  16 #include <asm/hardware/iop3xx.h>
  17
  18 /*
  19  * Standard IO mapping for all IOP3xx based systems.  Note that
  20  * the IOP3xx OCCDR must be mapped uncached and unbuffered.
  21  */
  22 static struct map_desc iop3xx_std_desc[] __initdata = {
  23          {      /* mem mapped registers */
  24                 .virtual        = IOP3XX_PERIPHERAL_VIRT_BASE,
  25                 .pfn            = __phys_to_pfn(IOP3XX_PERIPHERAL_PHYS_BASE),
  26                 .length         = IOP3XX_PERIPHERAL_SIZE,
  27                 .type           = MT_UNCACHED,
  28          }, {   /* PCI IO space */
  29                 .virtual        = IOP3XX_PCI_LOWER_IO_VA,
  30                 .pfn            = __phys_to_pfn(IOP3XX_PCI_LOWER_IO_PA),
  31                 .length         = IOP3XX_PCI_IO_WINDOW_SIZE,
  32                 .type           = MT_DEVICE,
  33          },
  34 };
  35
  36 void __init iop3xx_map_io(void)
  37 {
  38         iotable_init(iop3xx_std_desc, ARRAY_SIZE(iop3xx_std_desc));
  39 }