ARM: OMAP2+: board-generic: Add DT support to generic board
[pandora-kernel.git] / arch / arm / mach-omap2 / board-generic.c
1 /*
2  * Copyright (C) 2005 Nokia Corporation
3  * Author: Paul Mundt <paul.mundt@nokia.com>
4  *
5  * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/
6  *
7  * Modified from the original mach-omap/omap2/board-generic.c did by Paul
8  * to support the OMAP2+ device tree boards with an unique board file.
9  *
10  * This program is free software; you can redistribute it and/or modify
11  * it under the terms of the GNU General Public License version 2 as
12  * published by the Free Software Foundation.
13  */
14
15 #include <linux/io.h>
16 #include <linux/of_platform.h>
17 #include <linux/irqdomain.h>
18
19 #include <mach/hardware.h>
20 #include <asm/mach/arch.h>
21
22 #include <plat/board.h>
23 #include <plat/common.h>
24 #include <mach/omap4-common.h>
25
26
27 static struct of_device_id omap_dt_match_table[] __initdata = {
28         { .compatible = "simple-bus", },
29         { .compatible = "ti,omap-infra", },
30         { }
31 };
32
33 static struct of_device_id intc_match[] __initdata = {
34         { .compatible = "ti,omap3-intc", },
35         { .compatible = "arm,cortex-a9-gic", },
36         { }
37 };
38
39 static void __init omap_generic_init(void)
40 {
41         struct device_node *node = of_find_matching_node(NULL, intc_match);
42         if (node)
43                 irq_domain_add_simple(node, 0);
44
45         omap_serial_init();
46         omap_sdrc_init(NULL, NULL);
47
48         of_platform_populate(NULL, omap_dt_match_table, NULL, NULL);
49 }
50
51 #if defined(CONFIG_SOC_OMAP2420)
52 static const char *omap242x_boards_compat[] __initdata = {
53         "ti,omap2420",
54         NULL,
55 };
56
57 DT_MACHINE_START(OMAP242X_DT, "Generic OMAP2420 (Flattened Device Tree)")
58         .reserve        = omap_reserve,
59         .map_io         = omap242x_map_io,
60         .init_early     = omap2420_init_early,
61         .init_irq       = omap2_init_irq,
62         .init_machine   = omap_generic_init,
63         .timer          = &omap2_timer,
64         .dt_compat      = omap242x_boards_compat,
65 MACHINE_END
66 #endif
67
68 #if defined(CONFIG_SOC_OMAP2430)
69 static const char *omap243x_boards_compat[] __initdata = {
70         "ti,omap2430",
71         NULL,
72 };
73
74 DT_MACHINE_START(OMAP243X_DT, "Generic OMAP2430 (Flattened Device Tree)")
75         .reserve        = omap_reserve,
76         .map_io         = omap243x_map_io,
77         .init_early     = omap2430_init_early,
78         .init_irq       = omap2_init_irq,
79         .init_machine   = omap_generic_init,
80         .timer          = &omap2_timer,
81         .dt_compat      = omap243x_boards_compat,
82 MACHINE_END
83 #endif
84
85 #if defined(CONFIG_ARCH_OMAP3)
86 static const char *omap3_boards_compat[] __initdata = {
87         "ti,omap3",
88         NULL,
89 };
90
91 DT_MACHINE_START(OMAP3_DT, "Generic OMAP3 (Flattened Device Tree)")
92         .reserve        = omap_reserve,
93         .map_io         = omap3_map_io,
94         .init_early     = omap3430_init_early,
95         .init_irq       = omap3_init_irq,
96         .init_machine   = omap_generic_init,
97         .timer          = &omap3_timer,
98         .dt_compat      = omap3_boards_compat,
99 MACHINE_END
100 #endif
101
102 #if defined(CONFIG_ARCH_OMAP4)
103 static const char *omap4_boards_compat[] __initdata = {
104         "ti,omap4",
105         NULL,
106 };
107
108 DT_MACHINE_START(OMAP4_DT, "Generic OMAP4 (Flattened Device Tree)")
109         .reserve        = omap_reserve,
110         .map_io         = omap4_map_io,
111         .init_early     = omap4430_init_early,
112         .init_irq       = gic_init_irq,
113         .init_machine   = omap_generic_init,
114         .timer          = &omap4_timer,
115         .dt_compat      = omap4_boards_compat,
116 MACHINE_END
117 #endif