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