Linux Kernel  3.7.1
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mm.c
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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/mx28.h>
21 
22 /*
23  * Define the MX23 memory map.
24  */
25 static struct map_desc mx23_io_desc[] __initdata = {
26  mxs_map_entry(MX23, OCRAM, MT_DEVICE),
27  mxs_map_entry(MX23, IO, MT_DEVICE),
28 };
29 
30 /*
31  * Define the MX28 memory map.
32  */
33 static struct map_desc mx28_io_desc[] __initdata = {
34  mxs_map_entry(MX28, OCRAM, MT_DEVICE),
35  mxs_map_entry(MX28, IO, MT_DEVICE),
36 };
37 
38 /*
39  * This function initializes the memory map. It is called during the
40  * system startup to create static physical to virtual memory mappings
41  * for the IO modules.
42  */
43 void __init mx23_map_io(void)
44 {
45  iotable_init(mx23_io_desc, ARRAY_SIZE(mx23_io_desc));
46 }
47 
48 void __init mx28_map_io(void)
49 {
50  iotable_init(mx28_io_desc, ARRAY_SIZE(mx28_io_desc));
51 }