Linux Kernel  3.7.1
 All Data Structures Namespaces Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
mm-imx27.c
Go to the documentation of this file.
1 /*
2  * arch/arm/mach-imx/mm-imx27.c
3  *
4  * Copyright (C) 2008 Juergen Beisert ([email protected])
5  *
6  * This program is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU General Public License
8  * as published by the Free Software Foundation; either version 2
9  * of the License, or (at your option) any later version.
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this program; if not, write to the Free Software
17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
18  * MA 02110-1301, USA.
19  */
20 
21 #include <linux/mm.h>
22 #include <linux/init.h>
23 #include <linux/pinctrl/machine.h>
24 #include <mach/hardware.h>
25 #include <mach/common.h>
26 #include <mach/devices-common.h>
27 #include <asm/pgtable.h>
28 #include <asm/mach/map.h>
29 #include <mach/iomux-v1.h>
30 
31 /* MX27 memory map definition */
32 static struct map_desc imx27_io_desc[] __initdata = {
33  /*
34  * this fixed mapping covers:
35  * - AIPI1
36  * - AIPI2
37  * - AITC
38  * - ROM Patch
39  * - and some reserved space
40  */
41  imx_map_entry(MX27, AIPI, MT_DEVICE),
42  /*
43  * this fixed mapping covers:
44  * - CSI
45  * - ATA
46  */
47  imx_map_entry(MX27, SAHB1, MT_DEVICE),
48  /*
49  * this fixed mapping covers:
50  * - EMI
51  */
52  imx_map_entry(MX27, X_MEMC, MT_DEVICE),
53 };
54 
55 /*
56  * Initialize the memory map. It is called during the
57  * system startup to create static physical to virtual
58  * memory map for the IO modules.
59  */
60 void __init mx27_map_io(void)
61 {
62  iotable_init(imx27_io_desc, ARRAY_SIZE(imx27_io_desc));
63 }
64 
66 {
71 }
72 
74 {
76 }
77 
78 static const struct resource imx27_audmux_res[] __initconst = {
80 };
81 
83 {
84  /* i.mx27 has the i.mx21 type gpio */
91 
94  /* imx27 has the imx21 type audmux */
95  platform_device_register_simple("imx21-audmux", 0, imx27_audmux_res,
96  ARRAY_SIZE(imx27_audmux_res));
97 }