Merge tag 'irqdomain-for-linus' of git://git.secretlab.ca/git/linux-2.6
[~shefty/rdma-dev.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 #include <linux/io.h>
15 #include <linux/of_platform.h>
16 #include <linux/irqdomain.h>
17 #include <linux/i2c/twl.h>
18
19 #include <mach/hardware.h>
20 #include <asm/hardware/gic.h>
21 #include <asm/mach/arch.h>
22
23 #include <plat/board.h>
24 #include "common.h"
25 #include "common-board-devices.h"
26
27 /*
28  * XXX: Still needed to boot until the i2c & twl driver is adapted to
29  * device-tree
30  */
31 #ifdef CONFIG_ARCH_OMAP4
32 static struct twl4030_platform_data sdp4430_twldata = {
33         .irq_base       = TWL6030_IRQ_BASE,
34         .irq_end        = TWL6030_IRQ_END,
35 };
36
37 static void __init omap4_i2c_init(void)
38 {
39         omap4_pmic_init("twl6030", &sdp4430_twldata);
40 }
41 #endif
42
43 #ifdef CONFIG_ARCH_OMAP3
44 static struct twl4030_platform_data beagle_twldata = {
45         .irq_base       = TWL4030_IRQ_BASE,
46         .irq_end        = TWL4030_IRQ_END,
47 };
48
49 static void __init omap3_i2c_init(void)
50 {
51         omap3_pmic_init("twl4030", &beagle_twldata);
52 }
53 #endif
54
55 static struct of_device_id omap_dt_match_table[] __initdata = {
56         { .compatible = "simple-bus", },
57         { .compatible = "ti,omap-infra", },
58         { }
59 };
60
61 static struct of_device_id intc_match[] __initdata = {
62         { .compatible = "ti,omap3-intc", },
63         { .compatible = "arm,cortex-a9-gic", },
64         { }
65 };
66
67 static void __init omap_generic_init(void)
68 {
69         struct device_node *node = of_find_matching_node(NULL, intc_match);
70         if (node)
71                 irq_domain_add_legacy(node, 32, 0, 0, &irq_domain_simple_ops, NULL);
72
73         omap_sdrc_init(NULL, NULL);
74
75         of_platform_populate(NULL, omap_dt_match_table, NULL, NULL);
76 }
77
78 #ifdef CONFIG_ARCH_OMAP4
79 static void __init omap4_init(void)
80 {
81         omap4_i2c_init();
82         omap_generic_init();
83 }
84 #endif
85
86 #ifdef CONFIG_ARCH_OMAP3
87 static void __init omap3_init(void)
88 {
89         omap3_i2c_init();
90         omap_generic_init();
91 }
92 #endif
93
94 #if defined(CONFIG_SOC_OMAP2420)
95 static const char *omap242x_boards_compat[] __initdata = {
96         "ti,omap2420",
97         NULL,
98 };
99
100 DT_MACHINE_START(OMAP242X_DT, "Generic OMAP2420 (Flattened Device Tree)")
101         .atag_offset    = 0x100,
102         .reserve        = omap_reserve,
103         .map_io         = omap242x_map_io,
104         .init_early     = omap2420_init_early,
105         .init_irq       = omap2_init_irq,
106         .handle_irq     = omap2_intc_handle_irq,
107         .init_machine   = omap_generic_init,
108         .timer          = &omap2_timer,
109         .dt_compat      = omap242x_boards_compat,
110         .restart        = omap_prcm_restart,
111 MACHINE_END
112 #endif
113
114 #if defined(CONFIG_SOC_OMAP2430)
115 static const char *omap243x_boards_compat[] __initdata = {
116         "ti,omap2430",
117         NULL,
118 };
119
120 DT_MACHINE_START(OMAP243X_DT, "Generic OMAP2430 (Flattened Device Tree)")
121         .atag_offset    = 0x100,
122         .reserve        = omap_reserve,
123         .map_io         = omap243x_map_io,
124         .init_early     = omap2430_init_early,
125         .init_irq       = omap2_init_irq,
126         .handle_irq     = omap2_intc_handle_irq,
127         .init_machine   = omap_generic_init,
128         .timer          = &omap2_timer,
129         .dt_compat      = omap243x_boards_compat,
130         .restart        = omap_prcm_restart,
131 MACHINE_END
132 #endif
133
134 #if defined(CONFIG_ARCH_OMAP3)
135 static const char *omap3_boards_compat[] __initdata = {
136         "ti,omap3",
137         NULL,
138 };
139
140 DT_MACHINE_START(OMAP3_DT, "Generic OMAP3 (Flattened Device Tree)")
141         .atag_offset    = 0x100,
142         .reserve        = omap_reserve,
143         .map_io         = omap3_map_io,
144         .init_early     = omap3430_init_early,
145         .init_irq       = omap3_init_irq,
146         .handle_irq     = omap3_intc_handle_irq,
147         .init_machine   = omap3_init,
148         .timer          = &omap3_timer,
149         .dt_compat      = omap3_boards_compat,
150         .restart        = omap_prcm_restart,
151 MACHINE_END
152 #endif
153
154 #if defined(CONFIG_ARCH_OMAP4)
155 static const char *omap4_boards_compat[] __initdata = {
156         "ti,omap4",
157         NULL,
158 };
159
160 DT_MACHINE_START(OMAP4_DT, "Generic OMAP4 (Flattened Device Tree)")
161         .atag_offset    = 0x100,
162         .reserve        = omap_reserve,
163         .map_io         = omap4_map_io,
164         .init_early     = omap4430_init_early,
165         .init_irq       = gic_init_irq,
166         .handle_irq     = gic_handle_irq,
167         .init_machine   = omap4_init,
168         .timer          = &omap4_timer,
169         .dt_compat      = omap4_boards_compat,
170         .restart        = omap_prcm_restart,
171 MACHINE_END
172 #endif