Linux 4.5-rc1
[linux-drm-fsl-dcu.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_irq.h>
16 #include <linux/of_platform.h>
17 #include <linux/irqdomain.h>
18
19 #include <asm/setup.h>
20 #include <asm/mach/arch.h>
21
22 #include "common.h"
23
24 static const struct of_device_id omap_dt_match_table[] __initconst = {
25         { .compatible = "simple-bus", },
26         { .compatible = "ti,omap-infra", },
27         { }
28 };
29
30 static void __init omap_generic_init(void)
31 {
32         omapdss_early_init_of();
33
34         pdata_quirks_init(omap_dt_match_table);
35
36         omapdss_init_of();
37 }
38
39 #ifdef CONFIG_SOC_OMAP2420
40 static const char *const omap242x_boards_compat[] __initconst = {
41         "ti,omap2420",
42         NULL,
43 };
44
45 DT_MACHINE_START(OMAP242X_DT, "Generic OMAP2420 (Flattened Device Tree)")
46         .reserve        = omap_reserve,
47         .map_io         = omap242x_map_io,
48         .init_early     = omap2420_init_early,
49         .init_machine   = omap_generic_init,
50         .init_time      = omap_init_time,
51         .dt_compat      = omap242x_boards_compat,
52         .restart        = omap2xxx_restart,
53 MACHINE_END
54 #endif
55
56 #ifdef CONFIG_SOC_OMAP2430
57 static const char *const omap243x_boards_compat[] __initconst = {
58         "ti,omap2430",
59         NULL,
60 };
61
62 DT_MACHINE_START(OMAP243X_DT, "Generic OMAP2430 (Flattened Device Tree)")
63         .reserve        = omap_reserve,
64         .map_io         = omap243x_map_io,
65         .init_early     = omap2430_init_early,
66         .init_machine   = omap_generic_init,
67         .init_time      = omap_init_time,
68         .dt_compat      = omap243x_boards_compat,
69         .restart        = omap2xxx_restart,
70 MACHINE_END
71 #endif
72
73 #ifdef CONFIG_ARCH_OMAP3
74 /* Some boards need board name for legacy userspace in /proc/cpuinfo */
75 static const char *const n900_boards_compat[] __initconst = {
76         "nokia,omap3-n900",
77         NULL,
78 };
79
80 /* Legacy userspace on Nokia N900 needs ATAGS exported in /proc/atags,
81  * save them while the data is still not overwritten
82  */
83 static void __init rx51_reserve(void)
84 {
85         save_atags((const struct tag *)(PAGE_OFFSET + 0x100));
86         omap_reserve();
87 }
88
89 DT_MACHINE_START(OMAP3_N900_DT, "Nokia RX-51 board")
90         .reserve        = rx51_reserve,
91         .map_io         = omap3_map_io,
92         .init_early     = omap3430_init_early,
93         .init_machine   = omap_generic_init,
94         .init_late      = omap3_init_late,
95         .init_time      = omap_init_time,
96         .dt_compat      = n900_boards_compat,
97         .restart        = omap3xxx_restart,
98 MACHINE_END
99
100 /* Generic omap3 boards, most boards can use these */
101 static const char *const omap3_boards_compat[] __initconst = {
102         "ti,omap3430",
103         "ti,omap3",
104         NULL,
105 };
106
107 DT_MACHINE_START(OMAP3_DT, "Generic OMAP3 (Flattened Device Tree)")
108         .reserve        = omap_reserve,
109         .map_io         = omap3_map_io,
110         .init_early     = omap3430_init_early,
111         .init_machine   = omap_generic_init,
112         .init_late      = omap3_init_late,
113         .init_time      = omap_init_time,
114         .dt_compat      = omap3_boards_compat,
115         .restart        = omap3xxx_restart,
116 MACHINE_END
117
118 static const char *const omap36xx_boards_compat[] __initconst = {
119         "ti,omap3630",
120         "ti,omap36xx",
121         NULL,
122 };
123
124 DT_MACHINE_START(OMAP36XX_DT, "Generic OMAP36xx (Flattened Device Tree)")
125         .reserve        = omap_reserve,
126         .map_io         = omap3_map_io,
127         .init_early     = omap3630_init_early,
128         .init_machine   = omap_generic_init,
129         .init_late      = omap3_init_late,
130         .init_time      = omap_init_time,
131         .dt_compat      = omap36xx_boards_compat,
132         .restart        = omap3xxx_restart,
133 MACHINE_END
134
135 static const char *const omap3_gp_boards_compat[] __initconst = {
136         "ti,omap3-beagle",
137         "timll,omap3-devkit8000",
138         NULL,
139 };
140
141 DT_MACHINE_START(OMAP3_GP_DT, "Generic OMAP3-GP (Flattened Device Tree)")
142         .reserve        = omap_reserve,
143         .map_io         = omap3_map_io,
144         .init_early     = omap3430_init_early,
145         .init_machine   = omap_generic_init,
146         .init_late      = omap3_init_late,
147         .init_time      = omap3_secure_sync32k_timer_init,
148         .dt_compat      = omap3_gp_boards_compat,
149         .restart        = omap3xxx_restart,
150 MACHINE_END
151
152 static const char *const am3517_boards_compat[] __initconst = {
153         "ti,am3517",
154         NULL,
155 };
156
157 DT_MACHINE_START(AM3517_DT, "Generic AM3517 (Flattened Device Tree)")
158         .reserve        = omap_reserve,
159         .map_io         = omap3_map_io,
160         .init_early     = am35xx_init_early,
161         .init_machine   = omap_generic_init,
162         .init_late      = omap3_init_late,
163         .init_time      = omap3_gptimer_timer_init,
164         .dt_compat      = am3517_boards_compat,
165         .restart        = omap3xxx_restart,
166 MACHINE_END
167 #endif
168
169 #ifdef CONFIG_SOC_TI81XX
170 static const char *const ti814x_boards_compat[] __initconst = {
171         "ti,dm8148",
172         "ti,dm814",
173         NULL,
174 };
175
176 DT_MACHINE_START(TI814X_DT, "Generic ti814x (Flattened Device Tree)")
177         .reserve        = omap_reserve,
178         .map_io         = ti81xx_map_io,
179         .init_early     = ti814x_init_early,
180         .init_machine   = omap_generic_init,
181         .init_late      = ti81xx_init_late,
182         .init_time      = omap3_gptimer_timer_init,
183         .dt_compat      = ti814x_boards_compat,
184         .restart        = ti81xx_restart,
185 MACHINE_END
186
187 static const char *const ti816x_boards_compat[] __initconst = {
188         "ti,dm8168",
189         "ti,dm816",
190         NULL,
191 };
192
193 DT_MACHINE_START(TI816X_DT, "Generic ti816x (Flattened Device Tree)")
194         .reserve        = omap_reserve,
195         .map_io         = ti81xx_map_io,
196         .init_early     = ti816x_init_early,
197         .init_machine   = omap_generic_init,
198         .init_late      = ti81xx_init_late,
199         .init_time      = omap3_gptimer_timer_init,
200         .dt_compat      = ti816x_boards_compat,
201         .restart        = ti81xx_restart,
202 MACHINE_END
203 #endif
204
205 #ifdef CONFIG_SOC_AM33XX
206 static const char *const am33xx_boards_compat[] __initconst = {
207         "ti,am33xx",
208         NULL,
209 };
210
211 DT_MACHINE_START(AM33XX_DT, "Generic AM33XX (Flattened Device Tree)")
212         .reserve        = omap_reserve,
213         .map_io         = am33xx_map_io,
214         .init_early     = am33xx_init_early,
215         .init_machine   = omap_generic_init,
216         .init_late      = am33xx_init_late,
217         .init_time      = omap3_gptimer_timer_init,
218         .dt_compat      = am33xx_boards_compat,
219         .restart        = am33xx_restart,
220 MACHINE_END
221 #endif
222
223 #ifdef CONFIG_ARCH_OMAP4
224 static const char *const omap4_boards_compat[] __initconst = {
225         "ti,omap4460",
226         "ti,omap4430",
227         "ti,omap4",
228         NULL,
229 };
230
231 DT_MACHINE_START(OMAP4_DT, "Generic OMAP4 (Flattened Device Tree)")
232         .l2c_aux_val    = OMAP_L2C_AUX_CTRL,
233         .l2c_aux_mask   = 0xcf9fffff,
234         .l2c_write_sec  = omap4_l2c310_write_sec,
235         .reserve        = omap_reserve,
236         .smp            = smp_ops(omap4_smp_ops),
237         .map_io         = omap4_map_io,
238         .init_early     = omap4430_init_early,
239         .init_irq       = omap_gic_of_init,
240         .init_machine   = omap_generic_init,
241         .init_late      = omap4430_init_late,
242         .init_time      = omap4_local_timer_init,
243         .dt_compat      = omap4_boards_compat,
244         .restart        = omap44xx_restart,
245 MACHINE_END
246 #endif
247
248 #ifdef CONFIG_SOC_OMAP5
249 static const char *const omap5_boards_compat[] __initconst = {
250         "ti,omap5432",
251         "ti,omap5430",
252         "ti,omap5",
253         NULL,
254 };
255
256 DT_MACHINE_START(OMAP5_DT, "Generic OMAP5 (Flattened Device Tree)")
257 #if defined(CONFIG_ZONE_DMA) && defined(CONFIG_ARM_LPAE)
258         .dma_zone_size  = SZ_2G,
259 #endif
260         .reserve        = omap_reserve,
261         .smp            = smp_ops(omap4_smp_ops),
262         .map_io         = omap5_map_io,
263         .init_early     = omap5_init_early,
264         .init_irq       = omap_gic_of_init,
265         .init_machine   = omap_generic_init,
266         .init_late      = omap5_init_late,
267         .init_time      = omap5_realtime_timer_init,
268         .dt_compat      = omap5_boards_compat,
269         .restart        = omap44xx_restart,
270 MACHINE_END
271 #endif
272
273 #ifdef CONFIG_SOC_AM43XX
274 static const char *const am43_boards_compat[] __initconst = {
275         "ti,am4372",
276         "ti,am43",
277         NULL,
278 };
279
280 DT_MACHINE_START(AM43_DT, "Generic AM43 (Flattened Device Tree)")
281         .l2c_aux_val    = OMAP_L2C_AUX_CTRL,
282         .l2c_aux_mask   = 0xcf9fffff,
283         .l2c_write_sec  = omap4_l2c310_write_sec,
284         .map_io         = am33xx_map_io,
285         .init_early     = am43xx_init_early,
286         .init_late      = am43xx_init_late,
287         .init_irq       = omap_gic_of_init,
288         .init_machine   = omap_generic_init,
289         .init_time      = omap4_local_timer_init,
290         .dt_compat      = am43_boards_compat,
291         .restart        = omap44xx_restart,
292 MACHINE_END
293 #endif
294
295 #ifdef CONFIG_SOC_DRA7XX
296 static const char *const dra74x_boards_compat[] __initconst = {
297         "ti,am5728",
298         "ti,am5726",
299         "ti,dra742",
300         "ti,dra7",
301         NULL,
302 };
303
304 DT_MACHINE_START(DRA74X_DT, "Generic DRA74X (Flattened Device Tree)")
305 #if defined(CONFIG_ZONE_DMA) && defined(CONFIG_ARM_LPAE)
306         .dma_zone_size  = SZ_2G,
307 #endif
308         .reserve        = omap_reserve,
309         .smp            = smp_ops(omap4_smp_ops),
310         .map_io         = dra7xx_map_io,
311         .init_early     = dra7xx_init_early,
312         .init_late      = dra7xx_init_late,
313         .init_irq       = omap_gic_of_init,
314         .init_machine   = omap_generic_init,
315         .init_time      = omap5_realtime_timer_init,
316         .dt_compat      = dra74x_boards_compat,
317         .restart        = omap44xx_restart,
318 MACHINE_END
319
320 static const char *const dra72x_boards_compat[] __initconst = {
321         "ti,am5718",
322         "ti,am5716",
323         "ti,dra722",
324         NULL,
325 };
326
327 DT_MACHINE_START(DRA72X_DT, "Generic DRA72X (Flattened Device Tree)")
328 #if defined(CONFIG_ZONE_DMA) && defined(CONFIG_ARM_LPAE)
329         .dma_zone_size  = SZ_2G,
330 #endif
331         .reserve        = omap_reserve,
332         .map_io         = dra7xx_map_io,
333         .init_early     = dra7xx_init_early,
334         .init_late      = dra7xx_init_late,
335         .init_irq       = omap_gic_of_init,
336         .init_machine   = omap_generic_init,
337         .init_time      = omap5_realtime_timer_init,
338         .dt_compat      = dra72x_boards_compat,
339         .restart        = omap44xx_restart,
340 MACHINE_END
341 #endif