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8c25c36f SH |
1 | /* |
2 | * Copyright (C) 1999,2000 Arm Limited | |
3 | * Copyright (C) 2000 Deep Blue Solutions Ltd | |
4 | * Copyright (C) 2002 Shane Nay (shane@minirl.com) | |
5 | * Copyright 2005-2007 Freescale Semiconductor, Inc. All Rights Reserved. | |
6 | * - add MX31 specific definitions | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2 of the License, or | |
11 | * (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
8c25c36f SH |
17 | */ |
18 | ||
19 | #include <linux/mm.h> | |
20 | #include <linux/init.h> | |
21 | #include <linux/err.h> | |
22 | ||
23 | #include <asm/pgtable.h> | |
24 | #include <asm/mach/map.h> | |
25 | ||
26 | #include <mach/common.h> | |
27 | #include <mach/hardware.h> | |
28 | #include <mach/mx25.h> | |
29 | #include <mach/iomux-v3.h> | |
30 | ||
31 | /* | |
32 | * This table defines static virtual address mappings for I/O regions. | |
08ff97b5 | 33 | * These are the mappings common across all MX25 boards. |
8c25c36f | 34 | */ |
08ff97b5 UKK |
35 | static struct map_desc mx25_io_desc[] __initdata = { |
36 | imx_map_entry(MX25, AVIC, MT_DEVICE_NONSHARED), | |
37 | imx_map_entry(MX25, AIPS1, MT_DEVICE_NONSHARED), | |
38 | imx_map_entry(MX25, AIPS2, MT_DEVICE_NONSHARED), | |
8c25c36f SH |
39 | }; |
40 | ||
41 | /* | |
42 | * This function initializes the memory map. It is called during the | |
43 | * system startup to create static physical to virtual memory mappings | |
44 | * for the IO modules. | |
45 | */ | |
46 | void __init mx25_map_io(void) | |
47 | { | |
48 | mxc_set_cpu_type(MXC_CPU_MX25); | |
49 | mxc_iomux_v3_init(MX25_IO_ADDRESS(MX25_IOMUXC_BASE_ADDR)); | |
50 | mxc_arch_reset_init(MX25_IO_ADDRESS(MX25_WDOG_BASE_ADDR)); | |
51 | ||
08ff97b5 | 52 | iotable_init(mx25_io_desc, ARRAY_SIZE(mx25_io_desc)); |
8c25c36f SH |
53 | } |
54 | ||
9a763bfb UKK |
55 | int imx25_register_gpios(void); |
56 | ||
8c25c36f SH |
57 | void __init mx25_init_irq(void) |
58 | { | |
cf3a6aba | 59 | mxc_init_irq(MX25_IO_ADDRESS(MX25_AVIC_BASE_ADDR)); |
84659ab5 | 60 | imx25_register_gpios(); |
8c25c36f SH |
61 | } |
62 |