blob: 5148cd64a6b7b0ea0779c8ab76d3295570b6882c [file] [log] [blame]
Shawn Guofaff3dc2010-12-09 23:12:45 +08001/*
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 */
26static 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 */
36void __init mx23_map_io(void)
37{
38 iotable_init(mx23_io_desc, ARRAY_SIZE(mx23_io_desc));
39}
40
41void __init mx23_init_irq(void)
42{
43 icoll_init_irq();
44 mx23_register_gpios();
45}