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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/mach/arch.h>
20
21#include "common.h"
22
23#if !(defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3))
24#define intc_of_init NULL
25#endif
26#ifndef CONFIG_ARCH_OMAP4
27#define gic_of_init NULL
28#endif
29
30static struct of_device_id omap_dt_match_table[] __initdata = {
31 { .compatible = "simple-bus", },
32 { .compatible = "ti,omap-infra", },
33 { }
34};
35
36static void __init omap_generic_init(void)
37{
38 omapdss_early_init_of();
39
40 pdata_quirks_init(omap_dt_match_table);
41
42 omapdss_init_of();
43}
44
45#ifdef CONFIG_SOC_OMAP2420
46static const char *omap242x_boards_compat[] __initdata = {
47 "ti,omap2420",
48 NULL,
49};
50
51DT_MACHINE_START(OMAP242X_DT, "Generic OMAP2420 (Flattened Device Tree)")
52 .reserve = omap_reserve,
53 .map_io = omap242x_map_io,
54 .init_early = omap2420_init_early,
55 .init_irq = omap_intc_of_init,
56 .handle_irq = omap2_intc_handle_irq,
57 .init_machine = omap_generic_init,
58 .init_time = omap2_sync32k_timer_init,
59 .dt_compat = omap242x_boards_compat,
60 .restart = omap2xxx_restart,
61MACHINE_END
62#endif
63
64#ifdef CONFIG_SOC_OMAP2430
65static const char *omap243x_boards_compat[] __initdata = {
66 "ti,omap2430",
67 NULL,
68};
69
70DT_MACHINE_START(OMAP243X_DT, "Generic OMAP2430 (Flattened Device Tree)")
71 .reserve = omap_reserve,
72 .map_io = omap243x_map_io,
73 .init_early = omap2430_init_early,
74 .init_irq = omap_intc_of_init,
75 .handle_irq = omap2_intc_handle_irq,
76 .init_machine = omap_generic_init,
77 .init_time = omap2_sync32k_timer_init,
78 .dt_compat = omap243x_boards_compat,
79 .restart = omap2xxx_restart,
80MACHINE_END
81#endif
82
83#ifdef CONFIG_ARCH_OMAP3
84static const char *omap3_boards_compat[] __initdata = {
85 "ti,omap3430",
86 "ti,omap3",
87 NULL,
88};
89
90DT_MACHINE_START(OMAP3_DT, "Generic OMAP3 (Flattened Device Tree)")
91 .reserve = omap_reserve,
92 .map_io = omap3_map_io,
93 .init_early = omap3430_init_early,
94 .init_irq = omap_intc_of_init,
95 .handle_irq = omap3_intc_handle_irq,
96 .init_machine = omap_generic_init,
97 .init_late = omap3_init_late,
98 .init_time = omap3_sync32k_timer_init,
99 .dt_compat = omap3_boards_compat,
100 .restart = omap3xxx_restart,
101MACHINE_END
102
103static const char *omap36xx_boards_compat[] __initdata = {
104 "ti,omap36xx",
105 NULL,
106};
107
108DT_MACHINE_START(OMAP36XX_DT, "Generic OMAP36xx (Flattened Device Tree)")
109 .reserve = omap_reserve,
110 .map_io = omap3_map_io,
111 .init_early = omap3630_init_early,
112 .init_irq = omap_intc_of_init,
113 .handle_irq = omap3_intc_handle_irq,
114 .init_machine = omap_generic_init,
115 .init_late = omap3_init_late,
116 .init_time = omap3_sync32k_timer_init,
117 .dt_compat = omap36xx_boards_compat,
118 .restart = omap3xxx_restart,
119MACHINE_END
120
121static const char *omap3_gp_boards_compat[] __initdata = {
122 "ti,omap3-beagle",
123 "timll,omap3-devkit8000",
124 NULL,
125};
126
127DT_MACHINE_START(OMAP3_GP_DT, "Generic OMAP3-GP (Flattened Device Tree)")
128 .reserve = omap_reserve,
129 .map_io = omap3_map_io,
130 .init_early = omap3430_init_early,
131 .init_irq = omap_intc_of_init,
132 .handle_irq = omap3_intc_handle_irq,
133 .init_machine = omap_generic_init,
134 .init_late = omap3_init_late,
135 .init_time = omap3_secure_sync32k_timer_init,
136 .dt_compat = omap3_gp_boards_compat,
137 .restart = omap3xxx_restart,
138MACHINE_END
139
140static const char *am3517_boards_compat[] __initdata = {
141 "ti,am3517",
142 NULL,
143};
144
145DT_MACHINE_START(AM3517_DT, "Generic AM3517 (Flattened Device Tree)")
146 .reserve = omap_reserve,
147 .map_io = omap3_map_io,
148 .init_early = am35xx_init_early,
149 .init_irq = omap_intc_of_init,
150 .handle_irq = omap3_intc_handle_irq,
151 .init_machine = omap_generic_init,
152 .init_late = omap3_init_late,
153 .init_time = omap3_gptimer_timer_init,
154 .dt_compat = am3517_boards_compat,
155 .restart = omap3xxx_restart,
156MACHINE_END
157#endif
158
159#ifdef CONFIG_SOC_AM33XX
160static const char *am33xx_boards_compat[] __initdata = {
161 "ti,am33xx",
162 NULL,
163};
164
165DT_MACHINE_START(AM33XX_DT, "Generic AM33XX (Flattened Device Tree)")
166 .reserve = omap_reserve,
167 .map_io = am33xx_map_io,
168 .init_early = am33xx_init_early,
169 .init_irq = omap_intc_of_init,
170 .handle_irq = omap3_intc_handle_irq,
171 .init_machine = omap_generic_init,
172 .init_late = am33xx_init_late,
173 .init_time = omap3_gptimer_timer_init,
174 .dt_compat = am33xx_boards_compat,
175 .restart = am33xx_restart,
176MACHINE_END
177#endif
178
179#ifdef CONFIG_ARCH_OMAP4
180static const char *omap4_boards_compat[] __initdata = {
181 "ti,omap4460",
182 "ti,omap4430",
183 "ti,omap4",
184 NULL,
185};
186
187DT_MACHINE_START(OMAP4_DT, "Generic OMAP4 (Flattened Device Tree)")
188 .reserve = omap_reserve,
189 .smp = smp_ops(omap4_smp_ops),
190 .map_io = omap4_map_io,
191 .init_early = omap4430_init_early,
192 .init_irq = omap_gic_of_init,
193 .init_machine = omap_generic_init,
194 .init_late = omap4430_init_late,
195 .init_time = omap4_local_timer_init,
196 .dt_compat = omap4_boards_compat,
197 .restart = omap44xx_restart,
198MACHINE_END
199#endif
200
201#ifdef CONFIG_SOC_OMAP5
202static const char *omap5_boards_compat[] __initdata = {
203 "ti,omap5432",
204 "ti,omap5430",
205 "ti,omap5",
206 NULL,
207};
208
209DT_MACHINE_START(OMAP5_DT, "Generic OMAP5 (Flattened Device Tree)")
210 .reserve = omap_reserve,
211 .smp = smp_ops(omap4_smp_ops),
212 .map_io = omap5_map_io,
213 .init_early = omap5_init_early,
214 .init_irq = omap_gic_of_init,
215 .init_machine = omap_generic_init,
216 .init_late = omap5_init_late,
217 .init_time = omap5_realtime_timer_init,
218 .dt_compat = omap5_boards_compat,
219 .restart = omap44xx_restart,
220MACHINE_END
221#endif
222
223#ifdef CONFIG_SOC_AM43XX
224static const char *am43_boards_compat[] __initdata = {
225 "ti,am4372",
226 "ti,am43",
227 NULL,
228};
229
230DT_MACHINE_START(AM43_DT, "Generic AM43 (Flattened Device Tree)")
231 .map_io = am33xx_map_io,
232 .init_early = am43xx_init_early,
233 .init_late = am43xx_init_late,
234 .init_irq = omap_gic_of_init,
235 .init_machine = omap_generic_init,
236 .init_time = omap3_gptimer_timer_init,
237 .dt_compat = am43_boards_compat,
238 .restart = omap44xx_restart,
239MACHINE_END
240#endif
241
242#ifdef CONFIG_SOC_DRA7XX
243static const char *dra7xx_boards_compat[] __initdata = {
244 "ti,dra7xx",
245 "ti,dra7",
246 NULL,
247};
248
249DT_MACHINE_START(DRA7XX_DT, "Generic DRA7XX (Flattened Device Tree)")
250 .reserve = omap_reserve,
251 .smp = smp_ops(omap4_smp_ops),
252 .map_io = omap5_map_io,
253 .init_early = dra7xx_init_early,
254 .init_late = dra7xx_init_late,
255 .init_irq = omap_gic_of_init,
256 .init_machine = omap_generic_init,
257 .init_time = omap5_realtime_timer_init,
258 .dt_compat = dra7xx_boards_compat,
259 .restart = omap44xx_restart,
260MACHINE_END
261#endif
1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Copyright (C) 2005 Nokia Corporation
4 * Author: Paul Mundt <paul.mundt@nokia.com>
5 *
6 * Copyright (C) 2011 Texas Instruments Incorporated - https://www.ti.com/
7 *
8 * Modified from the original mach-omap/omap2/board-generic.c did by Paul
9 * to support the OMAP2+ device tree boards with an unique board file.
10 */
11#include <linux/io.h>
12#include <linux/irqdomain.h>
13#include <linux/clocksource.h>
14#include <linux/clockchips.h>
15#include <linux/mod_devicetable.h>
16
17#include <asm/setup.h>
18#include <asm/mach/arch.h>
19#include <asm/system_info.h>
20
21#include "common.h"
22
23static const struct of_device_id omap_dt_match_table[] __initconst = {
24 { .compatible = "simple-bus", },
25 { .compatible = "ti,omap-infra", },
26 { }
27};
28
29static void __init __maybe_unused omap_generic_init(void)
30{
31 pdata_quirks_init(omap_dt_match_table);
32 omap_soc_device_init();
33}
34
35/* Clocks are needed early, see drivers/clocksource for the rest */
36static void __init __maybe_unused omap_init_time_of(void)
37{
38 omap_clk_init();
39 timer_probe();
40}
41
42/* Used by am437x for ARM timer in non-SMP configurations */
43#if !defined(CONFIG_SMP) && defined(CONFIG_GENERIC_CLOCKEVENTS_BROADCAST)
44void tick_broadcast(const struct cpumask *mask)
45{
46}
47#endif
48
49#ifdef CONFIG_SOC_OMAP2420
50static const char *const omap242x_boards_compat[] __initconst = {
51 "ti,omap2420",
52 NULL,
53};
54
55DT_MACHINE_START(OMAP242X_DT, "Generic OMAP2420 (Flattened Device Tree)")
56 .reserve = omap_reserve,
57 .map_io = omap242x_map_io,
58 .init_early = omap2420_init_early,
59 .init_machine = omap_generic_init,
60 .init_time = omap_init_time_of,
61 .dt_compat = omap242x_boards_compat,
62 .restart = omap2xxx_restart,
63MACHINE_END
64#endif
65
66#ifdef CONFIG_SOC_OMAP2430
67static const char *const omap243x_boards_compat[] __initconst = {
68 "ti,omap2430",
69 NULL,
70};
71
72DT_MACHINE_START(OMAP243X_DT, "Generic OMAP2430 (Flattened Device Tree)")
73 .reserve = omap_reserve,
74 .map_io = omap243x_map_io,
75 .init_early = omap2430_init_early,
76 .init_machine = omap_generic_init,
77 .init_time = omap_init_time_of,
78 .dt_compat = omap243x_boards_compat,
79 .restart = omap2xxx_restart,
80MACHINE_END
81#endif
82
83#ifdef CONFIG_ARCH_OMAP3
84/* Some boards need board name for legacy userspace in /proc/cpuinfo */
85static const char *const n900_boards_compat[] __initconst = {
86 "nokia,omap3-n900",
87 NULL,
88};
89
90/* Set system_rev from atags */
91static void __init rx51_set_system_rev(const struct tag *tags)
92{
93 const struct tag *tag;
94
95 if (tags->hdr.tag != ATAG_CORE)
96 return;
97
98 for_each_tag(tag, tags) {
99 if (tag->hdr.tag == ATAG_REVISION) {
100 system_rev = tag->u.revision.rev;
101 break;
102 }
103 }
104}
105
106/* Legacy userspace on Nokia N900 needs ATAGS exported in /proc/atags,
107 * save them while the data is still not overwritten
108 */
109static void __init rx51_reserve(void)
110{
111 const struct tag *tags = (const struct tag *)(PAGE_OFFSET + 0x100);
112
113 save_atags(tags);
114 rx51_set_system_rev(tags);
115 omap_reserve();
116}
117
118DT_MACHINE_START(OMAP3_N900_DT, "Nokia RX-51 board")
119 .reserve = rx51_reserve,
120 .map_io = omap3_map_io,
121 .init_early = omap3430_init_early,
122 .init_machine = omap_generic_init,
123 .init_late = omap3_init_late,
124 .init_time = omap_init_time_of,
125 .dt_compat = n900_boards_compat,
126 .restart = omap3xxx_restart,
127MACHINE_END
128
129/* Generic omap3 boards, most boards can use these */
130static const char *const omap3_boards_compat[] __initconst = {
131 "ti,omap3430",
132 "ti,omap3",
133 NULL,
134};
135
136DT_MACHINE_START(OMAP3_DT, "Generic OMAP3 (Flattened Device Tree)")
137 .reserve = omap_reserve,
138 .map_io = omap3_map_io,
139 .init_early = omap3430_init_early,
140 .init_machine = omap_generic_init,
141 .init_late = omap3_init_late,
142 .init_time = omap_init_time_of,
143 .dt_compat = omap3_boards_compat,
144 .restart = omap3xxx_restart,
145MACHINE_END
146
147static const char *const omap36xx_boards_compat[] __initconst = {
148 "ti,omap3630",
149 "ti,omap36xx",
150 NULL,
151};
152
153DT_MACHINE_START(OMAP36XX_DT, "Generic OMAP36xx (Flattened Device Tree)")
154 .reserve = omap_reserve,
155 .map_io = omap3_map_io,
156 .init_early = omap3630_init_early,
157 .init_machine = omap_generic_init,
158 .init_late = omap3_init_late,
159 .init_time = omap_init_time_of,
160 .dt_compat = omap36xx_boards_compat,
161 .restart = omap3xxx_restart,
162MACHINE_END
163
164static const char *const omap3_gp_boards_compat[] __initconst = {
165 "ti,omap3-beagle",
166 "timll,omap3-devkit8000",
167 NULL,
168};
169
170DT_MACHINE_START(OMAP3_GP_DT, "Generic OMAP3-GP (Flattened Device Tree)")
171 .reserve = omap_reserve,
172 .map_io = omap3_map_io,
173 .init_early = omap3430_init_early,
174 .init_machine = omap_generic_init,
175 .init_late = omap3_init_late,
176 .init_time = omap_init_time_of,
177 .dt_compat = omap3_gp_boards_compat,
178 .restart = omap3xxx_restart,
179MACHINE_END
180
181static const char *const am3517_boards_compat[] __initconst = {
182 "ti,am3517",
183 NULL,
184};
185
186DT_MACHINE_START(AM3517_DT, "Generic AM3517 (Flattened Device Tree)")
187 .reserve = omap_reserve,
188 .map_io = omap3_map_io,
189 .init_early = am35xx_init_early,
190 .init_machine = omap_generic_init,
191 .init_late = omap3_init_late,
192 .init_time = omap_init_time_of,
193 .dt_compat = am3517_boards_compat,
194 .restart = omap3xxx_restart,
195MACHINE_END
196#endif
197
198#ifdef CONFIG_SOC_TI81XX
199static const char *const ti814x_boards_compat[] __initconst = {
200 "ti,dm8148",
201 "ti,dm814",
202 NULL,
203};
204
205DT_MACHINE_START(TI814X_DT, "Generic ti814x (Flattened Device Tree)")
206 .reserve = omap_reserve,
207 .map_io = ti81xx_map_io,
208 .init_early = ti814x_init_early,
209 .init_machine = omap_generic_init,
210 .init_late = ti81xx_init_late,
211 .init_time = omap_init_time_of,
212 .dt_compat = ti814x_boards_compat,
213 .restart = ti81xx_restart,
214MACHINE_END
215
216static const char *const ti816x_boards_compat[] __initconst = {
217 "ti,dm8168",
218 "ti,dm816",
219 NULL,
220};
221
222DT_MACHINE_START(TI816X_DT, "Generic ti816x (Flattened Device Tree)")
223 .reserve = omap_reserve,
224 .map_io = ti81xx_map_io,
225 .init_early = ti816x_init_early,
226 .init_machine = omap_generic_init,
227 .init_late = ti81xx_init_late,
228 .init_time = omap_init_time_of,
229 .dt_compat = ti816x_boards_compat,
230 .restart = ti81xx_restart,
231MACHINE_END
232#endif
233
234#ifdef CONFIG_SOC_AM33XX
235static const char *const am33xx_boards_compat[] __initconst = {
236 "ti,am33xx",
237 NULL,
238};
239
240DT_MACHINE_START(AM33XX_DT, "Generic AM33XX (Flattened Device Tree)")
241 .reserve = omap_reserve,
242 .map_io = am33xx_map_io,
243 .init_early = am33xx_init_early,
244 .init_machine = omap_generic_init,
245 .init_late = am33xx_init_late,
246 .init_time = omap_init_time_of,
247 .dt_compat = am33xx_boards_compat,
248 .restart = am33xx_restart,
249MACHINE_END
250#endif
251
252#ifdef CONFIG_ARCH_OMAP4
253static const char *const omap4_boards_compat[] __initconst = {
254 "ti,omap4460",
255 "ti,omap4430",
256 "ti,omap4",
257 NULL,
258};
259
260DT_MACHINE_START(OMAP4_DT, "Generic OMAP4 (Flattened Device Tree)")
261 .l2c_aux_val = OMAP_L2C_AUX_CTRL,
262 .l2c_aux_mask = 0xcf9fffff,
263 .l2c_write_sec = omap4_l2c310_write_sec,
264 .reserve = omap_reserve,
265 .smp = smp_ops(omap4_smp_ops),
266 .map_io = omap4_map_io,
267 .init_early = omap4430_init_early,
268 .init_irq = omap_gic_of_init,
269 .init_machine = omap_generic_init,
270 .init_late = omap4430_init_late,
271 .init_time = omap_init_time_of,
272 .dt_compat = omap4_boards_compat,
273 .restart = omap44xx_restart,
274MACHINE_END
275#endif
276
277#ifdef CONFIG_SOC_OMAP5
278static const char *const omap5_boards_compat[] __initconst = {
279 "ti,omap5432",
280 "ti,omap5430",
281 "ti,omap5",
282 NULL,
283};
284
285DT_MACHINE_START(OMAP5_DT, "Generic OMAP5 (Flattened Device Tree)")
286#if defined(CONFIG_ZONE_DMA) && defined(CONFIG_ARM_LPAE)
287 .dma_zone_size = SZ_2G,
288#endif
289 .reserve = omap_reserve,
290 .smp = smp_ops(omap4_smp_ops),
291 .map_io = omap5_map_io,
292 .init_early = omap5_init_early,
293 .init_irq = omap_gic_of_init,
294 .init_machine = omap_generic_init,
295 .init_late = omap5_init_late,
296 .init_time = omap5_realtime_timer_init,
297 .dt_compat = omap5_boards_compat,
298 .restart = omap44xx_restart,
299MACHINE_END
300#endif
301
302#ifdef CONFIG_SOC_AM43XX
303static const char *const am43_boards_compat[] __initconst = {
304 "ti,am4372",
305 "ti,am43",
306 NULL,
307};
308
309DT_MACHINE_START(AM43_DT, "Generic AM43 (Flattened Device Tree)")
310 .l2c_aux_val = OMAP_L2C_AUX_CTRL,
311 .l2c_aux_mask = 0xcf9fffff,
312 .l2c_write_sec = omap4_l2c310_write_sec,
313 .map_io = am33xx_map_io,
314 .init_early = am43xx_init_early,
315 .init_late = am43xx_init_late,
316 .init_irq = omap_gic_of_init,
317 .init_machine = omap_generic_init,
318 .init_time = omap_init_time_of,
319 .dt_compat = am43_boards_compat,
320 .restart = omap44xx_restart,
321MACHINE_END
322#endif
323
324#ifdef CONFIG_SOC_DRA7XX
325static const char *const dra74x_boards_compat[] __initconst = {
326 "ti,dra762",
327 "ti,am5728",
328 "ti,am5726",
329 "ti,dra742",
330 "ti,dra7",
331 NULL,
332};
333
334DT_MACHINE_START(DRA74X_DT, "Generic DRA74X (Flattened Device Tree)")
335#if defined(CONFIG_ZONE_DMA) && defined(CONFIG_ARM_LPAE)
336 .dma_zone_size = SZ_2G,
337#endif
338 .reserve = omap_reserve,
339 .smp = smp_ops(omap4_smp_ops),
340 .map_io = dra7xx_map_io,
341 .init_early = dra7xx_init_early,
342 .init_late = dra7xx_init_late,
343 .init_irq = omap_gic_of_init,
344 .init_machine = omap_generic_init,
345 .init_time = omap5_realtime_timer_init,
346 .dt_compat = dra74x_boards_compat,
347 .restart = omap44xx_restart,
348MACHINE_END
349
350static const char *const dra72x_boards_compat[] __initconst = {
351 "ti,am5718",
352 "ti,am5716",
353 "ti,dra722",
354 "ti,dra718",
355 NULL,
356};
357
358DT_MACHINE_START(DRA72X_DT, "Generic DRA72X (Flattened Device Tree)")
359#if defined(CONFIG_ZONE_DMA) && defined(CONFIG_ARM_LPAE)
360 .dma_zone_size = SZ_2G,
361#endif
362 .reserve = omap_reserve,
363 .map_io = dra7xx_map_io,
364 .init_early = dra7xx_init_early,
365 .init_late = dra7xx_init_late,
366 .init_irq = omap_gic_of_init,
367 .init_machine = omap_generic_init,
368 .init_time = omap5_realtime_timer_init,
369 .dt_compat = dra72x_boards_compat,
370 .restart = omap44xx_restart,
371MACHINE_END
372#endif