arch/arm/mach-mxs/mm-mx23.c

   1 /*
   2  * Copyright 2008-2010 Freescale Semiconductor, Inc. All Rights Reserved.
   3  *
   4  * The code contained herein is licensed under the GNU General Public
   5  * License.  You may obtain a copy of the GNU General Public License
   6  * Version 2 or later at the following locations:
   7  *
   8  * http://www.opensource.org/licenses/gpl-license.html
   9  * http://www.gnu.org/copyleft/gpl.html
  10  *
  11  * Create static mapping between physical to virtual memory.
  12  */
  13
  14 #include <linux/mm.h>
  15 #include <linux/init.h>
  16
  17 #include <asm/mach/map.h>
  18
  19 #include <mach/mx23.h>
  20 #include <mach/common.h>
  21 #include <mach/iomux.h>
  22
  23 /*
  24  * Define the MX23 memory map.
  25  */
  26 static struct map_desc mx23_io_desc[] __initdata = {
  27         mxs_map_entry(MX23, OCRAM, MT_DEVICE),
  28         mxs_map_entry(MX23, IO, MT_DEVICE),
  29 };
  30
  31 /*
  32  * This function initializes the memory map. It is called during the
  33  * system startup to create static physical to virtual memory mappings
  34  * for the IO modules.
  35  */
  36 void __init mx23_map_io(void)
  37 {
  38         iotable_init(mx23_io_desc, ARRAY_SIZE(mx23_io_desc));
  39 }
  40
  41 void __init mx23_init_irq(void)
  42 {
  43         icoll_init_irq();
  44         mx23_register_gpios();
  45 }