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ec9653b8 SA |
1 | /* |
2 | * Copyright (C) 2010 Broadcom | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify | |
5 | * it under the terms of the GNU General Public License as published by | |
6 | * the Free Software Foundation; either version 2 of the License, or | |
7 | * (at your option) any later version. | |
8 | * | |
9 | * This program is distributed in the hope that it will be useful, | |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | * GNU General Public License for more details. | |
13 | */ | |
14 | ||
15 | #include <linux/init.h> | |
16 | #include <linux/of_platform.h> | |
17 | ||
18 | #include <asm/mach/arch.h> | |
19 | #include <asm/mach/map.h> | |
20 | #include <asm/mach/time.h> | |
21 | #include <asm/exception.h> | |
22 | ||
23 | #include <mach/bcm2835_soc.h> | |
24 | ||
25 | static struct map_desc io_map __initdata = { | |
26 | .virtual = BCM2835_PERIPH_VIRT, | |
27 | .pfn = __phys_to_pfn(BCM2835_PERIPH_PHYS), | |
28 | .length = BCM2835_PERIPH_SIZE, | |
29 | .type = MT_DEVICE | |
30 | }; | |
31 | ||
32 | void __init bcm2835_map_io(void) | |
33 | { | |
34 | iotable_init(&io_map, 1); | |
35 | } | |
36 | ||
37 | void __init bcm2835_init_irq(void) | |
38 | { | |
39 | } | |
40 | ||
41 | asmlinkage void __exception_irq_entry bcm2835_handle_irq(struct pt_regs *regs) | |
42 | { | |
43 | } | |
44 | ||
45 | void __init bcm2835_init(void) | |
46 | { | |
47 | int ret; | |
48 | ||
49 | ret = of_platform_populate(NULL, of_default_bus_match_table, NULL, | |
50 | NULL); | |
51 | if (ret) { | |
52 | pr_err("of_platform_populate failed: %d\n", ret); | |
53 | BUG(); | |
54 | } | |
55 | } | |
56 | ||
57 | static void __init bcm2835_timer_init(void) | |
58 | { | |
59 | } | |
60 | ||
61 | struct sys_timer bcm2835_timer = { | |
62 | .init = bcm2835_timer_init | |
63 | }; | |
64 | ||
65 | static const char * const bcm2835_compat[] = { | |
66 | "brcm,bcm2835", | |
67 | NULL | |
68 | }; | |
69 | ||
70 | DT_MACHINE_START(BCM2835, "BCM2835") | |
71 | .map_io = bcm2835_map_io, | |
72 | .init_irq = bcm2835_init_irq, | |
73 | .handle_irq = bcm2835_handle_irq, | |
74 | .init_machine = bcm2835_init, | |
75 | .timer = &bcm2835_timer, | |
76 | .dt_compat = bcm2835_compat | |
77 | MACHINE_END |