arch/arm/mach-iop3xx/iop331-mm.c

   1 /*
   2  * linux/arch/arm/mach-iop3xx/mm.c
   3  *
   4  * Low level memory initialization for IOP331 based systems
   5  *
   6  * Author: Dave Jiang <dave.jiang@intel.com>
   7  * Copyright (C) 2003 Intel Corp.
   8  *
   9  * This program is free software; you can redistribute  it and/or modify it
  10  * under  the terms of  the GNU General  Public License as published by the
  11  * Free Software Foundation;  either version 2 of the  License, or (at your
  12  * option) any later version.
  13  *
  14  */
  15
  16 #include <linux/mm.h>
  17 #include <linux/init.h>
  18
  19 #include <asm/io.h>
  20 #include <asm/pgtable.h>
  21 #include <asm/page.h>
  22
  23 #include <asm/mach/map.h>
  24 #include <asm/mach-types.h>
  25
  26
  27 /*
  28  * Standard IO mapping for all IOP331 based systems
  29  */
  30 static struct map_desc iop331_std_desc[] __initdata = {
  31  /* virtual     physical      length      type */
  32
  33  /* mem mapped registers */
  34  { IOP331_VIRT_MEM_BASE,  IOP331_PHYS_MEM_BASE,   0x00002000,  MT_DEVICE },
  35
  36  /* PCI IO space */
  37  { 0xfe000000,  0x90000000,   0x00020000,  MT_DEVICE }
  38 };
  39
  40 void __init iop331_map_io(void)
  41 {
  42         iotable_init(iop331_std_desc, ARRAY_SIZE(iop331_std_desc));
  43 }