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review.trustedfirmware.org / hafnium / third_party / linux.git / 3a0ad55d848b50499b68d7141d4eca997fce28ef / . / arch / arm / mach-omap2 / board-generic.c
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Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000[diff] [blame]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
25static const struct of_device_id omap_dt_match_table[] __initconst = {
26 { .compatible = "simple-bus", },
27 { .compatible = "ti,omap-infra", },
28 { }
29};
30
31static void __init __maybe_unused omap_generic_init(void)
32{
33 pdata_quirks_init(omap_dt_match_table);
34 omap_soc_device_init();
35}
36
37#ifdef CONFIG_SOC_OMAP2420
38static const char *const omap242x_boards_compat[] __initconst = {
39 "ti,omap2420",
40 NULL,
41};
42
43DT_MACHINE_START(OMAP242X_DT, "Generic OMAP2420 (Flattened Device Tree)")
44 .reserve = omap_reserve,
45 .map_io = omap242x_map_io,
46 .init_early = omap2420_init_early,
47 .init_machine = omap_generic_init,
48 .init_time = omap_init_time,
49 .dt_compat = omap242x_boards_compat,
50 .restart = omap2xxx_restart,
51MACHINE_END
52#endif
53
54#ifdef CONFIG_SOC_OMAP2430
55static const char *const omap243x_boards_compat[] __initconst = {
56 "ti,omap2430",
57 NULL,
58};
59
60DT_MACHINE_START(OMAP243X_DT, "Generic OMAP2430 (Flattened Device Tree)")
61 .reserve = omap_reserve,
62 .map_io = omap243x_map_io,
63 .init_early = omap2430_init_early,
64 .init_machine = omap_generic_init,
65 .init_time = omap_init_time,
66 .dt_compat = omap243x_boards_compat,
67 .restart = omap2xxx_restart,
68MACHINE_END
69#endif
70
71#ifdef CONFIG_ARCH_OMAP3
72/* Some boards need board name for legacy userspace in /proc/cpuinfo */
73static const char *const n900_boards_compat[] __initconst = {
74 "nokia,omap3-n900",
75 NULL,
76};
77
78/* Set system_rev from atags */
79static void __init rx51_set_system_rev(const struct tag *tags)
80{
81 const struct tag *tag;
82
83 if (tags->hdr.tag != ATAG_CORE)
84 return;
85
86 for_each_tag(tag, tags) {
87 if (tag->hdr.tag == ATAG_REVISION) {
88 system_rev = tag->u.revision.rev;
89 break;
90 }
91 }
92}
93
94/* Legacy userspace on Nokia N900 needs ATAGS exported in /proc/atags,
95 * save them while the data is still not overwritten
96 */
97static void __init rx51_reserve(void)
98{
99 const struct tag *tags = (const struct tag *)(PAGE_OFFSET + 0x100);
100
101 save_atags(tags);
102 rx51_set_system_rev(tags);
103 omap_reserve();
104}
105
106DT_MACHINE_START(OMAP3_N900_DT, "Nokia RX-51 board")
107 .reserve = rx51_reserve,
108 .map_io = omap3_map_io,
109 .init_early = omap3430_init_early,
110 .init_machine = omap_generic_init,
111 .init_late = omap3_init_late,
112 .init_time = omap_init_time,
113 .dt_compat = n900_boards_compat,
114 .restart = omap3xxx_restart,
115MACHINE_END
116
117/* Generic omap3 boards, most boards can use these */
118static const char *const omap3_boards_compat[] __initconst = {
119 "ti,omap3430",
120 "ti,omap3",
121 NULL,
122};
123
124DT_MACHINE_START(OMAP3_DT, "Generic OMAP3 (Flattened Device Tree)")
125 .reserve = omap_reserve,
126 .map_io = omap3_map_io,
127 .init_early = omap3430_init_early,
128 .init_machine = omap_generic_init,
129 .init_late = omap3_init_late,
130 .init_time = omap_init_time,
131 .dt_compat = omap3_boards_compat,
132 .restart = omap3xxx_restart,
133MACHINE_END
134
135static const char *const omap36xx_boards_compat[] __initconst = {
136 "ti,omap3630",
137 "ti,omap36xx",
138 NULL,
139};
140
141DT_MACHINE_START(OMAP36XX_DT, "Generic OMAP36xx (Flattened Device Tree)")
142 .reserve = omap_reserve,
143 .map_io = omap3_map_io,
144 .init_early = omap3630_init_early,
145 .init_machine = omap_generic_init,
146 .init_late = omap3_init_late,
147 .init_time = omap_init_time,
148 .dt_compat = omap36xx_boards_compat,
149 .restart = omap3xxx_restart,
150MACHINE_END
151
152static const char *const omap3_gp_boards_compat[] __initconst = {
153 "ti,omap3-beagle",
154 "timll,omap3-devkit8000",
155 NULL,
156};
157
158DT_MACHINE_START(OMAP3_GP_DT, "Generic OMAP3-GP (Flattened Device Tree)")
159 .reserve = omap_reserve,
160 .map_io = omap3_map_io,
161 .init_early = omap3430_init_early,
162 .init_machine = omap_generic_init,
163 .init_late = omap3_init_late,
164 .init_time = omap3_secure_sync32k_timer_init,
165 .dt_compat = omap3_gp_boards_compat,
166 .restart = omap3xxx_restart,
167MACHINE_END
168
169static const char *const am3517_boards_compat[] __initconst = {
170 "ti,am3517",
171 NULL,
172};
173
174DT_MACHINE_START(AM3517_DT, "Generic AM3517 (Flattened Device Tree)")
175 .reserve = omap_reserve,
176 .map_io = omap3_map_io,
177 .init_early = am35xx_init_early,
178 .init_machine = omap_generic_init,
179 .init_late = omap3_init_late,
180 .init_time = omap3_gptimer_timer_init,
181 .dt_compat = am3517_boards_compat,
182 .restart = omap3xxx_restart,
183MACHINE_END
184#endif
185
186#ifdef CONFIG_SOC_TI81XX
187static const char *const ti814x_boards_compat[] __initconst = {
188 "ti,dm8148",
189 "ti,dm814",
190 NULL,
191};
192
193DT_MACHINE_START(TI814X_DT, "Generic ti814x (Flattened Device Tree)")
194 .reserve = omap_reserve,
195 .map_io = ti81xx_map_io,
196 .init_early = ti814x_init_early,
197 .init_machine = omap_generic_init,
198 .init_late = ti81xx_init_late,
199 .init_time = omap3_gptimer_timer_init,
200 .dt_compat = ti814x_boards_compat,
201 .restart = ti81xx_restart,
202MACHINE_END
203
204static const char *const ti816x_boards_compat[] __initconst = {
205 "ti,dm8168",
206 "ti,dm816",
207 NULL,
208};
209
210DT_MACHINE_START(TI816X_DT, "Generic ti816x (Flattened Device Tree)")
211 .reserve = omap_reserve,
212 .map_io = ti81xx_map_io,
213 .init_early = ti816x_init_early,
214 .init_machine = omap_generic_init,
215 .init_late = ti81xx_init_late,
216 .init_time = omap3_gptimer_timer_init,
217 .dt_compat = ti816x_boards_compat,
218 .restart = ti81xx_restart,
219MACHINE_END
220#endif
221
222#ifdef CONFIG_SOC_AM33XX
223static const char *const am33xx_boards_compat[] __initconst = {
224 "ti,am33xx",
225 NULL,
226};
227
228DT_MACHINE_START(AM33XX_DT, "Generic AM33XX (Flattened Device Tree)")
229 .reserve = omap_reserve,
230 .map_io = am33xx_map_io,
231 .init_early = am33xx_init_early,
232 .init_machine = omap_generic_init,
233 .init_late = am33xx_init_late,
234 .init_time = omap3_gptimer_timer_init,
235 .dt_compat = am33xx_boards_compat,
236 .restart = am33xx_restart,
237MACHINE_END
238#endif
239
240#ifdef CONFIG_ARCH_OMAP4
241static const char *const omap4_boards_compat[] __initconst = {
242 "ti,omap4460",
243 "ti,omap4430",
244 "ti,omap4",
245 NULL,
246};
247
248DT_MACHINE_START(OMAP4_DT, "Generic OMAP4 (Flattened Device Tree)")
249 .l2c_aux_val = OMAP_L2C_AUX_CTRL,
250 .l2c_aux_mask = 0xcf9fffff,
251 .l2c_write_sec = omap4_l2c310_write_sec,
252 .reserve = omap_reserve,
253 .smp = smp_ops(omap4_smp_ops),
254 .map_io = omap4_map_io,
255 .init_early = omap4430_init_early,
256 .init_irq = omap_gic_of_init,
257 .init_machine = omap_generic_init,
258 .init_late = omap4430_init_late,
259 .init_time = omap4_local_timer_init,
260 .dt_compat = omap4_boards_compat,
261 .restart = omap44xx_restart,
262MACHINE_END
263#endif
264
265#ifdef CONFIG_SOC_OMAP5
266static const char *const omap5_boards_compat[] __initconst = {
267 "ti,omap5432",
268 "ti,omap5430",
269 "ti,omap5",
270 NULL,
271};
272
273DT_MACHINE_START(OMAP5_DT, "Generic OMAP5 (Flattened Device Tree)")
274#if defined(CONFIG_ZONE_DMA) && defined(CONFIG_ARM_LPAE)
275 .dma_zone_size = SZ_2G,
276#endif
277 .reserve = omap_reserve,
278 .smp = smp_ops(omap4_smp_ops),
279 .map_io = omap5_map_io,
280 .init_early = omap5_init_early,
281 .init_irq = omap_gic_of_init,
282 .init_machine = omap_generic_init,
283 .init_late = omap5_init_late,
284 .init_time = omap5_realtime_timer_init,
285 .dt_compat = omap5_boards_compat,
286 .restart = omap44xx_restart,
287MACHINE_END
288#endif
289
290#ifdef CONFIG_SOC_AM43XX
291static const char *const am43_boards_compat[] __initconst = {
292 "ti,am4372",
293 "ti,am43",
294 NULL,
295};
296
297DT_MACHINE_START(AM43_DT, "Generic AM43 (Flattened Device Tree)")
298 .l2c_aux_val = OMAP_L2C_AUX_CTRL,
299 .l2c_aux_mask = 0xcf9fffff,
300 .l2c_write_sec = omap4_l2c310_write_sec,
301 .map_io = am33xx_map_io,
302 .init_early = am43xx_init_early,
303 .init_late = am43xx_init_late,
304 .init_irq = omap_gic_of_init,
305 .init_machine = omap_generic_init,
306 .init_time = omap3_gptimer_timer_init,
307 .dt_compat = am43_boards_compat,
308 .restart = omap44xx_restart,
309MACHINE_END
310#endif
311
312#ifdef CONFIG_SOC_DRA7XX
313static const char *const dra74x_boards_compat[] __initconst = {
314 "ti,dra762",
315 "ti,am5728",
316 "ti,am5726",
317 "ti,dra742",
318 "ti,dra7",
319 NULL,
320};
321
322DT_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,
336MACHINE_END
337
338static const char *const dra72x_boards_compat[] __initconst = {
339 "ti,am5718",
340 "ti,am5716",
341 "ti,dra722",
342 "ti,dra718",
343 NULL,
344};
345
346DT_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,
359MACHINE_END
360#endif