xref: /linux/arch/arm/mach-omap2/board-generic.c (revision 507e190946297c34a27d9366b0661d5e506fdd03)
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 #include <asm/system_info.h>
22 
23 #include "common.h"
24 
25 static const struct of_device_id omap_dt_match_table[] __initconst = {
26 	{ .compatible = "simple-bus", },
27 	{ .compatible = "ti,omap-infra", },
28 	{ }
29 };
30 
31 static void __init __maybe_unused omap_generic_init(void)
32 {
33 	pdata_quirks_init(omap_dt_match_table);
34 
35 	omapdss_init_of();
36 }
37 
38 #ifdef CONFIG_SOC_OMAP2420
39 static const char *const omap242x_boards_compat[] __initconst = {
40 	"ti,omap2420",
41 	NULL,
42 };
43 
44 DT_MACHINE_START(OMAP242X_DT, "Generic OMAP2420 (Flattened Device Tree)")
45 	.reserve	= omap_reserve,
46 	.map_io		= omap242x_map_io,
47 	.init_early	= omap2420_init_early,
48 	.init_machine	= omap_generic_init,
49 	.init_time	= omap_init_time,
50 	.dt_compat	= omap242x_boards_compat,
51 	.restart	= omap2xxx_restart,
52 MACHINE_END
53 #endif
54 
55 #ifdef CONFIG_SOC_OMAP2430
56 static const char *const omap243x_boards_compat[] __initconst = {
57 	"ti,omap2430",
58 	NULL,
59 };
60 
61 DT_MACHINE_START(OMAP243X_DT, "Generic OMAP2430 (Flattened Device Tree)")
62 	.reserve	= omap_reserve,
63 	.map_io		= omap243x_map_io,
64 	.init_early	= omap2430_init_early,
65 	.init_machine	= omap_generic_init,
66 	.init_time	= omap_init_time,
67 	.dt_compat	= omap243x_boards_compat,
68 	.restart	= omap2xxx_restart,
69 MACHINE_END
70 #endif
71 
72 #ifdef CONFIG_ARCH_OMAP3
73 /* Some boards need board name for legacy userspace in /proc/cpuinfo */
74 static const char *const n900_boards_compat[] __initconst = {
75 	"nokia,omap3-n900",
76 	NULL,
77 };
78 
79 /* Set system_rev from atags */
80 static void __init rx51_set_system_rev(const struct tag *tags)
81 {
82 	const struct tag *tag;
83 
84 	if (tags->hdr.tag != ATAG_CORE)
85 		return;
86 
87 	for_each_tag(tag, tags) {
88 		if (tag->hdr.tag == ATAG_REVISION) {
89 			system_rev = tag->u.revision.rev;
90 			break;
91 		}
92 	}
93 }
94 
95 /* Legacy userspace on Nokia N900 needs ATAGS exported in /proc/atags,
96  * save them while the data is still not overwritten
97  */
98 static void __init rx51_reserve(void)
99 {
100 	const struct tag *tags = (const struct tag *)(PAGE_OFFSET + 0x100);
101 
102 	save_atags(tags);
103 	rx51_set_system_rev(tags);
104 	omap_reserve();
105 }
106 
107 DT_MACHINE_START(OMAP3_N900_DT, "Nokia RX-51 board")
108 	.reserve	= rx51_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	= n900_boards_compat,
115 	.restart	= omap3xxx_restart,
116 MACHINE_END
117 
118 /* Generic omap3 boards, most boards can use these */
119 static const char *const omap3_boards_compat[] __initconst = {
120 	"ti,omap3430",
121 	"ti,omap3",
122 	NULL,
123 };
124 
125 DT_MACHINE_START(OMAP3_DT, "Generic OMAP3 (Flattened Device Tree)")
126 	.reserve	= omap_reserve,
127 	.map_io		= omap3_map_io,
128 	.init_early	= omap3430_init_early,
129 	.init_machine	= omap_generic_init,
130 	.init_late	= omap3_init_late,
131 	.init_time	= omap_init_time,
132 	.dt_compat	= omap3_boards_compat,
133 	.restart	= omap3xxx_restart,
134 MACHINE_END
135 
136 static const char *const omap36xx_boards_compat[] __initconst = {
137 	"ti,omap3630",
138 	"ti,omap36xx",
139 	NULL,
140 };
141 
142 DT_MACHINE_START(OMAP36XX_DT, "Generic OMAP36xx (Flattened Device Tree)")
143 	.reserve	= omap_reserve,
144 	.map_io		= omap3_map_io,
145 	.init_early	= omap3630_init_early,
146 	.init_machine	= omap_generic_init,
147 	.init_late	= omap3_init_late,
148 	.init_time	= omap_init_time,
149 	.dt_compat	= omap36xx_boards_compat,
150 	.restart	= omap3xxx_restart,
151 MACHINE_END
152 
153 static const char *const omap3_gp_boards_compat[] __initconst = {
154 	"ti,omap3-beagle",
155 	"timll,omap3-devkit8000",
156 	NULL,
157 };
158 
159 DT_MACHINE_START(OMAP3_GP_DT, "Generic OMAP3-GP (Flattened Device Tree)")
160 	.reserve	= omap_reserve,
161 	.map_io		= omap3_map_io,
162 	.init_early	= omap3430_init_early,
163 	.init_machine	= omap_generic_init,
164 	.init_late	= omap3_init_late,
165 	.init_time	= omap3_secure_sync32k_timer_init,
166 	.dt_compat	= omap3_gp_boards_compat,
167 	.restart	= omap3xxx_restart,
168 MACHINE_END
169 
170 static const char *const am3517_boards_compat[] __initconst = {
171 	"ti,am3517",
172 	NULL,
173 };
174 
175 DT_MACHINE_START(AM3517_DT, "Generic AM3517 (Flattened Device Tree)")
176 	.reserve	= omap_reserve,
177 	.map_io		= omap3_map_io,
178 	.init_early	= am35xx_init_early,
179 	.init_machine	= omap_generic_init,
180 	.init_late	= omap3_init_late,
181 	.init_time	= omap3_gptimer_timer_init,
182 	.dt_compat	= am3517_boards_compat,
183 	.restart	= omap3xxx_restart,
184 MACHINE_END
185 #endif
186 
187 #ifdef CONFIG_SOC_TI81XX
188 static const char *const ti814x_boards_compat[] __initconst = {
189 	"ti,dm8148",
190 	"ti,dm814",
191 	NULL,
192 };
193 
194 DT_MACHINE_START(TI814X_DT, "Generic ti814x (Flattened Device Tree)")
195 	.reserve	= omap_reserve,
196 	.map_io		= ti81xx_map_io,
197 	.init_early	= ti814x_init_early,
198 	.init_machine	= omap_generic_init,
199 	.init_late	= ti81xx_init_late,
200 	.init_time	= omap3_gptimer_timer_init,
201 	.dt_compat	= ti814x_boards_compat,
202 	.restart	= ti81xx_restart,
203 MACHINE_END
204 
205 static const char *const ti816x_boards_compat[] __initconst = {
206 	"ti,dm8168",
207 	"ti,dm816",
208 	NULL,
209 };
210 
211 DT_MACHINE_START(TI816X_DT, "Generic ti816x (Flattened Device Tree)")
212 	.reserve	= omap_reserve,
213 	.map_io		= ti81xx_map_io,
214 	.init_early	= ti816x_init_early,
215 	.init_machine	= omap_generic_init,
216 	.init_late	= ti81xx_init_late,
217 	.init_time	= omap3_gptimer_timer_init,
218 	.dt_compat	= ti816x_boards_compat,
219 	.restart	= ti81xx_restart,
220 MACHINE_END
221 #endif
222 
223 #ifdef CONFIG_SOC_AM33XX
224 static const char *const am33xx_boards_compat[] __initconst = {
225 	"ti,am33xx",
226 	NULL,
227 };
228 
229 DT_MACHINE_START(AM33XX_DT, "Generic AM33XX (Flattened Device Tree)")
230 	.reserve	= omap_reserve,
231 	.map_io		= am33xx_map_io,
232 	.init_early	= am33xx_init_early,
233 	.init_machine	= omap_generic_init,
234 	.init_late	= am33xx_init_late,
235 	.init_time	= omap3_gptimer_timer_init,
236 	.dt_compat	= am33xx_boards_compat,
237 	.restart	= am33xx_restart,
238 MACHINE_END
239 #endif
240 
241 #ifdef CONFIG_ARCH_OMAP4
242 static const char *const omap4_boards_compat[] __initconst = {
243 	"ti,omap4460",
244 	"ti,omap4430",
245 	"ti,omap4",
246 	NULL,
247 };
248 
249 DT_MACHINE_START(OMAP4_DT, "Generic OMAP4 (Flattened Device Tree)")
250 	.l2c_aux_val	= OMAP_L2C_AUX_CTRL,
251 	.l2c_aux_mask	= 0xcf9fffff,
252 	.l2c_write_sec	= omap4_l2c310_write_sec,
253 	.reserve	= omap_reserve,
254 	.smp		= smp_ops(omap4_smp_ops),
255 	.map_io		= omap4_map_io,
256 	.init_early	= omap4430_init_early,
257 	.init_irq	= omap_gic_of_init,
258 	.init_machine	= omap_generic_init,
259 	.init_late	= omap4430_init_late,
260 	.init_time	= omap4_local_timer_init,
261 	.dt_compat	= omap4_boards_compat,
262 	.restart	= omap44xx_restart,
263 MACHINE_END
264 #endif
265 
266 #ifdef CONFIG_SOC_OMAP5
267 static const char *const omap5_boards_compat[] __initconst = {
268 	"ti,omap5432",
269 	"ti,omap5430",
270 	"ti,omap5",
271 	NULL,
272 };
273 
274 DT_MACHINE_START(OMAP5_DT, "Generic OMAP5 (Flattened Device Tree)")
275 #if defined(CONFIG_ZONE_DMA) && defined(CONFIG_ARM_LPAE)
276 	.dma_zone_size	= SZ_2G,
277 #endif
278 	.reserve	= omap_reserve,
279 	.smp		= smp_ops(omap4_smp_ops),
280 	.map_io		= omap5_map_io,
281 	.init_early	= omap5_init_early,
282 	.init_irq	= omap_gic_of_init,
283 	.init_machine	= omap_generic_init,
284 	.init_late	= omap5_init_late,
285 	.init_time	= omap5_realtime_timer_init,
286 	.dt_compat	= omap5_boards_compat,
287 	.restart	= omap44xx_restart,
288 MACHINE_END
289 #endif
290 
291 #ifdef CONFIG_SOC_AM43XX
292 static const char *const am43_boards_compat[] __initconst = {
293 	"ti,am4372",
294 	"ti,am43",
295 	NULL,
296 };
297 
298 DT_MACHINE_START(AM43_DT, "Generic AM43 (Flattened Device Tree)")
299 	.l2c_aux_val	= OMAP_L2C_AUX_CTRL,
300 	.l2c_aux_mask	= 0xcf9fffff,
301 	.l2c_write_sec	= omap4_l2c310_write_sec,
302 	.map_io		= am33xx_map_io,
303 	.init_early	= am43xx_init_early,
304 	.init_late	= am43xx_init_late,
305 	.init_irq	= omap_gic_of_init,
306 	.init_machine	= omap_generic_init,
307 	.init_time	= omap3_gptimer_timer_init,
308 	.dt_compat	= am43_boards_compat,
309 	.restart	= omap44xx_restart,
310 MACHINE_END
311 #endif
312 
313 #ifdef CONFIG_SOC_DRA7XX
314 static const char *const dra74x_boards_compat[] __initconst = {
315 	"ti,am5728",
316 	"ti,am5726",
317 	"ti,dra742",
318 	"ti,dra7",
319 	NULL,
320 };
321 
322 DT_MACHINE_START(DRA74X_DT, "Generic DRA74X (Flattened Device Tree)")
323 #if defined(CONFIG_ZONE_DMA) && defined(CONFIG_ARM_LPAE)
324 	.dma_zone_size	= SZ_2G,
325 #endif
326 	.reserve	= omap_reserve,
327 	.smp		= smp_ops(omap4_smp_ops),
328 	.map_io		= dra7xx_map_io,
329 	.init_early	= dra7xx_init_early,
330 	.init_late	= dra7xx_init_late,
331 	.init_irq	= omap_gic_of_init,
332 	.init_machine	= omap_generic_init,
333 	.init_time	= omap5_realtime_timer_init,
334 	.dt_compat	= dra74x_boards_compat,
335 	.restart	= omap44xx_restart,
336 MACHINE_END
337 
338 static const char *const dra72x_boards_compat[] __initconst = {
339 	"ti,am5718",
340 	"ti,am5716",
341 	"ti,dra722",
342 	"ti,dra718",
343 	NULL,
344 };
345 
346 DT_MACHINE_START(DRA72X_DT, "Generic DRA72X (Flattened Device Tree)")
347 #if defined(CONFIG_ZONE_DMA) && defined(CONFIG_ARM_LPAE)
348 	.dma_zone_size	= SZ_2G,
349 #endif
350 	.reserve	= omap_reserve,
351 	.map_io		= dra7xx_map_io,
352 	.init_early	= dra7xx_init_early,
353 	.init_late	= dra7xx_init_late,
354 	.init_irq	= omap_gic_of_init,
355 	.init_machine	= omap_generic_init,
356 	.init_time	= omap5_realtime_timer_init,
357 	.dt_compat	= dra72x_boards_compat,
358 	.restart	= omap44xx_restart,
359 MACHINE_END
360 #endif
361