diff options
Diffstat (limited to 'arch/arm/mach-gemini/mm.c')
-rw-r--r-- | arch/arm/mach-gemini/mm.c | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/arch/arm/mach-gemini/mm.c b/arch/arm/mach-gemini/mm.c new file mode 100644 index 000000000000..51948242ec09 --- /dev/null +++ b/arch/arm/mach-gemini/mm.c | |||
@@ -0,0 +1,82 @@ | |||
1 | /* | ||
2 | * Static mappings for Gemini | ||
3 | * | ||
4 | * Copyright (C) 2001-2006 Storlink, Corp. | ||
5 | * Copyright (C) 2008-2009 Paulius Zaleckas <paulius.zaleckas@teltonika.lt> | ||
6 | * | ||
7 | * This program is free software; you can redistribute it and/or modify | ||
8 | * it under the terms of the GNU General Public License as published by | ||
9 | * the Free Software Foundation; either version 2 of the License, or | ||
10 | * (at your option) any later version. | ||
11 | */ | ||
12 | #include <linux/mm.h> | ||
13 | #include <linux/init.h> | ||
14 | |||
15 | #include <asm/mach/map.h> | ||
16 | |||
17 | #include <mach/hardware.h> | ||
18 | |||
19 | /* Page table mapping for I/O region */ | ||
20 | static struct map_desc gemini_io_desc[] __initdata = { | ||
21 | { | ||
22 | .virtual = IO_ADDRESS(GEMINI_GLOBAL_BASE), | ||
23 | .pfn =__phys_to_pfn(GEMINI_GLOBAL_BASE), | ||
24 | .length = SZ_512K, | ||
25 | .type = MT_DEVICE, | ||
26 | }, { | ||
27 | .virtual = IO_ADDRESS(GEMINI_UART_BASE), | ||
28 | .pfn = __phys_to_pfn(GEMINI_UART_BASE), | ||
29 | .length = SZ_512K, | ||
30 | .type = MT_DEVICE, | ||
31 | }, { | ||
32 | .virtual = IO_ADDRESS(GEMINI_TIMER_BASE), | ||
33 | .pfn = __phys_to_pfn(GEMINI_TIMER_BASE), | ||
34 | .length = SZ_512K, | ||
35 | .type = MT_DEVICE, | ||
36 | }, { | ||
37 | .virtual = IO_ADDRESS(GEMINI_INTERRUPT_BASE), | ||
38 | .pfn = __phys_to_pfn(GEMINI_INTERRUPT_BASE), | ||
39 | .length = SZ_512K, | ||
40 | .type = MT_DEVICE, | ||
41 | }, { | ||
42 | .virtual = IO_ADDRESS(GEMINI_POWER_CTRL_BASE), | ||
43 | .pfn = __phys_to_pfn(GEMINI_POWER_CTRL_BASE), | ||
44 | .length = SZ_512K, | ||
45 | .type = MT_DEVICE, | ||
46 | }, { | ||
47 | .virtual = IO_ADDRESS(GEMINI_GPIO_BASE(0)), | ||
48 | .pfn = __phys_to_pfn(GEMINI_GPIO_BASE(0)), | ||
49 | .length = SZ_512K, | ||
50 | .type = MT_DEVICE, | ||
51 | }, { | ||
52 | .virtual = IO_ADDRESS(GEMINI_GPIO_BASE(1)), | ||
53 | .pfn = __phys_to_pfn(GEMINI_GPIO_BASE(1)), | ||
54 | .length = SZ_512K, | ||
55 | .type = MT_DEVICE, | ||
56 | }, { | ||
57 | .virtual = IO_ADDRESS(GEMINI_GPIO_BASE(2)), | ||
58 | .pfn = __phys_to_pfn(GEMINI_GPIO_BASE(2)), | ||
59 | .length = SZ_512K, | ||
60 | .type = MT_DEVICE, | ||
61 | }, { | ||
62 | .virtual = IO_ADDRESS(GEMINI_FLASH_CTRL_BASE), | ||
63 | .pfn = __phys_to_pfn(GEMINI_FLASH_CTRL_BASE), | ||
64 | .length = SZ_512K, | ||
65 | .type = MT_DEVICE, | ||
66 | }, { | ||
67 | .virtual = IO_ADDRESS(GEMINI_DRAM_CTRL_BASE), | ||
68 | .pfn = __phys_to_pfn(GEMINI_DRAM_CTRL_BASE), | ||
69 | .length = SZ_512K, | ||
70 | .type = MT_DEVICE, | ||
71 | }, { | ||
72 | .virtual = IO_ADDRESS(GEMINI_GENERAL_DMA_BASE), | ||
73 | .pfn = __phys_to_pfn(GEMINI_GENERAL_DMA_BASE), | ||
74 | .length = SZ_512K, | ||
75 | .type = MT_DEVICE, | ||
76 | }, | ||
77 | }; | ||
78 | |||
79 | void __init gemini_map_io(void) | ||
80 | { | ||
81 | iotable_init(gemini_io_desc, ARRAY_SIZE(gemini_io_desc)); | ||
82 | } | ||