arch/arm/mach-mx3/mx31lite.c

   1 /*
   2  *  Copyright (C) 2000 Deep Blue Solutions Ltd
   3  *  Copyright (C) 2002 Shane Nay (shane@minirl.com)
   4  *  Copyright 2005-2007 Freescale Semiconductor, Inc. All Rights Reserved.
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #include <linux/types.h>
  22 #include <linux/init.h>
  23 #include <linux/kernel.h>
  24 #include <linux/memory.h>
  25
  26 #include <asm/hardware.h>
  27 #include <asm/mach-types.h>
  28 #include <asm/mach/arch.h>
  29 #include <asm/mach/map.h>
  30 #include <asm/arch/common.h>
  31 #include <asm/page.h>
  32 #include <asm/setup.h>
  33 #include <asm/arch/board-mx31lite.h>
  34
  35 /*
  36  * This file contains the board-specific initialization routines.
  37  */
  38
  39 /*
  40  * This structure defines the MX31 memory map.
  41  */
  42 static struct map_desc mx31lite_io_desc[] __initdata = {
  43         {
  44                 .virtual = AIPS1_BASE_ADDR_VIRT,
  45                 .pfn = __phys_to_pfn(AIPS1_BASE_ADDR),
  46                 .length = AIPS1_SIZE,
  47                 .type = MT_NONSHARED_DEVICE
  48         }, {
  49                 .virtual = SPBA0_BASE_ADDR_VIRT,
  50                 .pfn = __phys_to_pfn(SPBA0_BASE_ADDR),
  51                 .length = SPBA0_SIZE,
  52                 .type = MT_NONSHARED_DEVICE
  53         }, {
  54                 .virtual = AIPS2_BASE_ADDR_VIRT,
  55                 .pfn = __phys_to_pfn(AIPS2_BASE_ADDR),
  56                 .length = AIPS2_SIZE,
  57                 .type = MT_NONSHARED_DEVICE
  58         }, {
  59                 .virtual = CS4_BASE_ADDR_VIRT,
  60                 .pfn = __phys_to_pfn(CS4_BASE_ADDR),
  61                 .length = CS4_SIZE,
  62                 .type = MT_DEVICE
  63         }
  64 };
  65
  66 /*
  67  * Set up static virtual mappings.
  68  */
  69 void __init mx31lite_map_io(void)
  70 {
  71         mxc_map_io();
  72         iotable_init(mx31lite_io_desc, ARRAY_SIZE(mx31lite_io_desc));
  73 }
  74
  75 /*
  76  * Board specific initialization.
  77  */
  78 static void __init mxc_board_init(void)
  79 {
  80 }
  81
  82 /*
  83  * The following uses standard kernel macros defined in arch.h in order to
  84  * initialize __mach_desc_MX31LITE data structure.
  85  */
  86
  87 MACHINE_START(MX31LITE, "LogicPD MX31 LITEKIT")
  88         /* Maintainer: Freescale Semiconductor, Inc. */
  89         .phys_io        = AIPS1_BASE_ADDR,
  90         .io_pg_offst    = ((AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,
  91         .boot_params    = PHYS_OFFSET + 0x100,
  92         .map_io         = mx31lite_map_io,
  93         .init_irq       = mxc_init_irq,
  94         .init_machine   = mxc_board_init,
  95         .timer          = &mxc_timer,
  96 MACHINE_END