Commit | Line | Data |
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8a41fa3b HK |
1 | /* |
2 | * linux/arch/arm/mach-tcc8k/io.c | |
3 | * | |
4 | * (C) 2009 Hans J. Koch <hjk@linutronix.de> | |
5 | * | |
6 | * derived from TCC83xx io.c | |
7 | * Copyright (C) Telechips, 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 version 2 as | |
11 | * published by the Free Software Foundation. | |
12 | */ | |
13 | ||
14 | #include <linux/init.h> | |
15 | #include <linux/io.h> | |
16 | #include <linux/kernel.h> | |
17 | ||
18 | #include <asm/mach/map.h> | |
19 | ||
20 | #include <mach/tcc8k-regs.h> | |
21 | ||
22 | /* | |
23 | * The machine specific code may provide the extra mapping besides the | |
24 | * default mapping provided here. | |
25 | */ | |
26 | static struct map_desc tcc8k_io_desc[] __initdata = { | |
27 | { | |
28 | .virtual = (unsigned long)CS1_BASE_VIRT, | |
29 | .pfn = __phys_to_pfn(CS1_BASE), | |
30 | .length = CS1_SIZE, | |
31 | .type = MT_DEVICE, | |
32 | }, { | |
33 | .virtual = (unsigned long)AHB_PERI_BASE_VIRT, | |
34 | .pfn = __phys_to_pfn(AHB_PERI_BASE), | |
35 | .length = AHB_PERI_SIZE, | |
36 | .type = MT_DEVICE, | |
37 | }, { | |
38 | .virtual = (unsigned long)APB0_PERI_BASE_VIRT, | |
39 | .pfn = __phys_to_pfn(APB0_PERI_BASE), | |
40 | .length = APB0_PERI_SIZE, | |
41 | .type = MT_DEVICE, | |
42 | }, { | |
43 | .virtual = (unsigned long)APB1_PERI_BASE_VIRT, | |
44 | .pfn = __phys_to_pfn(APB1_PERI_BASE), | |
45 | .length = APB1_PERI_SIZE, | |
46 | .type = MT_DEVICE, | |
47 | }, { | |
48 | .virtual = (unsigned long)EXT_MEM_CTRL_BASE_VIRT, | |
49 | .pfn = __phys_to_pfn(EXT_MEM_CTRL_BASE), | |
50 | .length = EXT_MEM_CTRL_SIZE, | |
51 | .type = MT_DEVICE, | |
52 | }, | |
53 | }; | |
54 | ||
55 | /* | |
56 | * Maps common IO regions for tcc8k. | |
57 | * | |
58 | */ | |
59 | void __init tcc8k_map_common_io(void) | |
60 | { | |
61 | iotable_init(tcc8k_io_desc, ARRAY_SIZE(tcc8k_io_desc)); | |
62 | } |