Commit | Line | Data |
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eea643f7 | 1 | /* |
d109167b | 2 | * arch/arm/mach-imx/mm-imx21.c |
eea643f7 JB |
3 | * |
4 | * Copyright (C) 2008 Juergen Beisert (kernel@pengutronix.de) | |
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> | |
a09e64fb | 23 | #include <mach/hardware.h> |
058b7a6f | 24 | #include <mach/common.h> |
eea643f7 JB |
25 | #include <asm/pgtable.h> |
26 | #include <asm/mach/map.h> | |
27 | ||
4a50d00c UKK |
28 | /* MX21 memory map definition */ |
29 | static struct map_desc imx21_io_desc[] __initdata = { | |
eea643f7 JB |
30 | /* |
31 | * this fixed mapping covers: | |
32 | * - AIPI1 | |
33 | * - AIPI2 | |
34 | * - AITC | |
35 | * - ROM Patch | |
36 | * - and some reserved space | |
37 | */ | |
08ff97b5 | 38 | imx_map_entry(MX21, AIPI, MT_DEVICE), |
eea643f7 JB |
39 | /* |
40 | * this fixed mapping covers: | |
41 | * - CSI | |
42 | * - ATA | |
43 | */ | |
08ff97b5 | 44 | imx_map_entry(MX21, SAHB1, MT_DEVICE), |
eea643f7 JB |
45 | /* |
46 | * this fixed mapping covers: | |
47 | * - EMI | |
48 | */ | |
08ff97b5 | 49 | imx_map_entry(MX21, X_MEMC, MT_DEVICE), |
eea643f7 JB |
50 | }; |
51 | ||
52 | /* | |
53 | * Initialize the memory map. It is called during the | |
54 | * system startup to create static physical to virtual | |
55 | * memory map for the IO modules. | |
56 | */ | |
cd4a05f9 | 57 | void __init mx21_map_io(void) |
3dac2196 UKK |
58 | { |
59 | iotable_init(imx21_io_desc, ARRAY_SIZE(imx21_io_desc)); | |
60 | } | |
61 | ||
62 | void __init imx21_init_early(void) | |
eea643f7 | 63 | { |
cd4a05f9 | 64 | mxc_set_cpu_type(MXC_CPU_MX21); |
4a50d00c | 65 | mxc_arch_reset_init(MX21_IO_ADDRESS(MX21_WDOG_BASE_ADDR)); |
c5aa0ad0 SH |
66 | } |
67 | ||
9a763bfb UKK |
68 | int imx21_register_gpios(void); |
69 | ||
c5aa0ad0 SH |
70 | void __init mx21_init_irq(void) |
71 | { | |
4a50d00c | 72 | mxc_init_irq(MX21_IO_ADDRESS(MX21_AVIC_BASE_ADDR)); |
84659ab5 | 73 | imx21_register_gpios(); |
c5aa0ad0 | 74 | } |