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 
omap4_i2c_init(void)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 
omap3_i2c_init(void)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 
omap_generic_init(void)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_simple(node, 0);
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
omap4_init(void)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
omap3_init(void)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
173