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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 2004-2005 Freescale Semiconductor, Inc. All Rights Reserved. | |
6 | * - add MXC specific definitions | |
7 | * Copyright 2006 Motorola, Inc. | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License as published by | |
11 | * the Free Software Foundation; either version 2 of the License, or | |
12 | * (at your option) any later version. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | * GNU General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
22 | * | |
23 | */ | |
24 | ||
25 | #include <linux/mm.h> | |
26 | #include <linux/init.h> | |
27 | #include <mach/hardware.h> | |
28 | #include <mach/common.h> | |
29 | #include <asm/pgtable.h> | |
30 | #include <asm/mach/map.h> | |
31 | ||
32 | /* | |
33 | * This structure defines the MXC memory map. | |
34 | */ | |
35 | static struct map_desc mxc_io_desc[] __initdata = { | |
36 | { | |
37 | .virtual = MXC91231_L2CC_BASE_ADDR_VIRT, | |
38 | .pfn = __phys_to_pfn(MXC91231_L2CC_BASE_ADDR), | |
39 | .length = MXC91231_L2CC_SIZE, | |
40 | .type = MT_DEVICE, | |
41 | }, { | |
42 | .virtual = MXC91231_X_MEMC_BASE_ADDR_VIRT, | |
43 | .pfn = __phys_to_pfn(MXC91231_X_MEMC_BASE_ADDR), | |
44 | .length = MXC91231_X_MEMC_SIZE, | |
45 | .type = MT_DEVICE, | |
46 | }, { | |
47 | .virtual = MXC91231_ROMP_BASE_ADDR_VIRT, | |
48 | .pfn = __phys_to_pfn(MXC91231_ROMP_BASE_ADDR), | |
49 | .length = MXC91231_ROMP_SIZE, | |
50 | .type = MT_DEVICE, | |
51 | }, { | |
52 | .virtual = MXC91231_AVIC_BASE_ADDR_VIRT, | |
53 | .pfn = __phys_to_pfn(MXC91231_AVIC_BASE_ADDR), | |
54 | .length = MXC91231_AVIC_SIZE, | |
55 | .type = MT_DEVICE, | |
56 | }, { | |
57 | .virtual = MXC91231_AIPS1_BASE_ADDR_VIRT, | |
58 | .pfn = __phys_to_pfn(MXC91231_AIPS1_BASE_ADDR), | |
59 | .length = MXC91231_AIPS1_SIZE, | |
60 | .type = MT_DEVICE, | |
61 | }, { | |
62 | .virtual = MXC91231_SPBA0_BASE_ADDR_VIRT, | |
63 | .pfn = __phys_to_pfn(MXC91231_SPBA0_BASE_ADDR), | |
64 | .length = MXC91231_SPBA0_SIZE, | |
65 | .type = MT_DEVICE, | |
66 | }, { | |
67 | .virtual = MXC91231_SPBA1_BASE_ADDR_VIRT, | |
68 | .pfn = __phys_to_pfn(MXC91231_SPBA1_BASE_ADDR), | |
69 | .length = MXC91231_SPBA1_SIZE, | |
70 | .type = MT_DEVICE, | |
71 | }, { | |
72 | .virtual = MXC91231_AIPS2_BASE_ADDR_VIRT, | |
73 | .pfn = __phys_to_pfn(MXC91231_AIPS2_BASE_ADDR), | |
74 | .length = MXC91231_AIPS2_SIZE, | |
75 | .type = MT_DEVICE, | |
76 | }, | |
77 | }; | |
78 | ||
79 | /* | |
80 | * This function initializes the memory map. It is called during the | |
81 | * system startup to create static physical to virtual memory map for | |
82 | * the IO modules. | |
83 | */ | |
84 | void __init mxc91231_map_io(void) | |
85 | { | |
86 | mxc_set_cpu_type(MXC_CPU_MXC91231); | |
87 | ||
88 | iotable_init(mxc_io_desc, ARRAY_SIZE(mxc_io_desc)); | |
89 | } | |
90 | ||
91 | void __init mxc91231_init_irq(void) | |
92 | { | |
93 | mxc_init_irq(MXC91231_IO_ADDRESS(MXC91231_AVIC_BASE_ADDR)); | |
94 | } |