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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. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
21 | */ | |
22 | ||
23 | #include <linux/mm.h> | |
24 | #include <linux/init.h> | |
25 | #include <linux/err.h> | |
26 | ||
27 | #include <asm/pgtable.h> | |
28 | #include <asm/mach/map.h> | |
29 | ||
30 | #include <mach/common.h> | |
31 | #include <mach/hardware.h> | |
32 | #include <mach/mx25.h> | |
33 | #include <mach/iomux-v3.h> | |
34 | ||
35 | /* | |
36 | * This table defines static virtual address mappings for I/O regions. | |
37 | * These are the mappings common across all MX3 boards. | |
38 | */ | |
39 | static struct map_desc mxc_io_desc[] __initdata = { | |
40 | { | |
41 | .virtual = MX25_AVIC_BASE_ADDR_VIRT, | |
42 | .pfn = __phys_to_pfn(MX25_AVIC_BASE_ADDR), | |
43 | .length = MX25_AVIC_SIZE, | |
44 | .type = MT_DEVICE_NONSHARED | |
45 | }, { | |
46 | .virtual = MX25_AIPS1_BASE_ADDR_VIRT, | |
47 | .pfn = __phys_to_pfn(MX25_AIPS1_BASE_ADDR), | |
48 | .length = MX25_AIPS1_SIZE, | |
49 | .type = MT_DEVICE_NONSHARED | |
50 | }, { | |
51 | .virtual = MX25_AIPS2_BASE_ADDR_VIRT, | |
52 | .pfn = __phys_to_pfn(MX25_AIPS2_BASE_ADDR), | |
53 | .length = MX25_AIPS2_SIZE, | |
54 | .type = MT_DEVICE_NONSHARED | |
55 | }, | |
56 | }; | |
57 | ||
58 | /* | |
59 | * This function initializes the memory map. It is called during the | |
60 | * system startup to create static physical to virtual memory mappings | |
61 | * for the IO modules. | |
62 | */ | |
63 | void __init mx25_map_io(void) | |
64 | { | |
65 | mxc_set_cpu_type(MXC_CPU_MX25); | |
66 | mxc_iomux_v3_init(MX25_IO_ADDRESS(MX25_IOMUXC_BASE_ADDR)); | |
67 | mxc_arch_reset_init(MX25_IO_ADDRESS(MX25_WDOG_BASE_ADDR)); | |
68 | ||
69 | iotable_init(mxc_io_desc, ARRAY_SIZE(mxc_io_desc)); | |
70 | } | |
71 | ||
72 | void __init mx25_init_irq(void) | |
73 | { | |
74 | mxc_init_irq((void __iomem *)MX25_AVIC_BASE_ADDR_VIRT); | |
75 | } | |
76 |