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1/*
2 * linux/arch/arm/mach-omap2/board-generic.c
3 *
4 * Copyright (C) 2005 Nokia Corporation
5 * Author: Paul Mundt <paul.mundt@nokia.com>
6 *
7 * Modified from mach-omap/omap1/board-generic.c
8 *
9 * Code for generic OMAP2 board. Should work on many OMAP2 systems where
10 * the bootloader passes the board-specific data to the kernel.
11 * Do not put any board specific code to this file; create a new machine
12 * type if you need custom low-level initializations.
13 *
14 * This program is free software; you can redistribute it and/or modify
15 * it under the terms of the GNU General Public License version 2 as
16 * published by the Free Software Foundation.
17 */
18
19#include <linux/kernel.h>
20#include <linux/init.h>
21#include <linux/device.h>
22
23#include <mach/hardware.h>
24#include <asm/mach-types.h>
25#include <asm/mach/arch.h>
26#include <asm/mach/map.h>
27
28#include <mach/gpio.h>
29#include <plat/usb.h>
30#include <plat/board.h>
31#include <plat/common.h>
32
33static struct omap_board_config_kernel generic_config[] = {
34};
35
36static void __init omap_generic_init_early(void)
37{
38 omap2_init_common_infrastructure();
39 omap2_init_common_devices(NULL, NULL);
40}
41
42static void __init omap_generic_init(void)
43{
44 omap_serial_init();
45 omap_board_config = generic_config;
46 omap_board_config_size = ARRAY_SIZE(generic_config);
47}
48
49static void __init omap_generic_map_io(void)
50{
51 if (cpu_is_omap242x()) {
52 omap2_set_globals_242x();
53 omap242x_map_common_io();
54 } else if (cpu_is_omap243x()) {
55 omap2_set_globals_243x();
56 omap243x_map_common_io();
57 } else if (cpu_is_omap34xx()) {
58 omap2_set_globals_3xxx();
59 omap34xx_map_common_io();
60 } else if (cpu_is_omap44xx()) {
61 omap2_set_globals_443x();
62 omap44xx_map_common_io();
63 }
64}
65
66/* XXX This machine entry name should be updated */
67MACHINE_START(OMAP_GENERIC, "Generic OMAP24xx")
68 /* Maintainer: Paul Mundt <paul.mundt@nokia.com> */
69 .boot_params = 0x80000100,
70 .reserve = omap_reserve,
71 .map_io = omap_generic_map_io,
72 .init_early = omap_generic_init_early,
73 .init_irq = omap2_init_irq,
74 .init_machine = omap_generic_init,
75 .timer = &omap2_timer,
76MACHINE_END
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
35 omapdss_init_of();
36 omap_soc_device_init();
37}
38
39#ifdef CONFIG_SOC_OMAP2420
40static const char *const omap242x_boards_compat[] __initconst = {
41 "ti,omap2420",
42 NULL,
43};
44
45DT_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,
53MACHINE_END
54#endif
55
56#ifdef CONFIG_SOC_OMAP2430
57static const char *const omap243x_boards_compat[] __initconst = {
58 "ti,omap2430",
59 NULL,
60};
61
62DT_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,
70MACHINE_END
71#endif
72
73#ifdef CONFIG_ARCH_OMAP3
74/* Some boards need board name for legacy userspace in /proc/cpuinfo */
75static const char *const n900_boards_compat[] __initconst = {
76 "nokia,omap3-n900",
77 NULL,
78};
79
80/* Set system_rev from atags */
81static void __init rx51_set_system_rev(const struct tag *tags)
82{
83 const struct tag *tag;
84
85 if (tags->hdr.tag != ATAG_CORE)
86 return;
87
88 for_each_tag(tag, tags) {
89 if (tag->hdr.tag == ATAG_REVISION) {
90 system_rev = tag->u.revision.rev;
91 break;
92 }
93 }
94}
95
96/* Legacy userspace on Nokia N900 needs ATAGS exported in /proc/atags,
97 * save them while the data is still not overwritten
98 */
99static void __init rx51_reserve(void)
100{
101 const struct tag *tags = (const struct tag *)(PAGE_OFFSET + 0x100);
102
103 save_atags(tags);
104 rx51_set_system_rev(tags);
105 omap_reserve();
106}
107
108DT_MACHINE_START(OMAP3_N900_DT, "Nokia RX-51 board")
109 .reserve = rx51_reserve,
110 .map_io = omap3_map_io,
111 .init_early = omap3430_init_early,
112 .init_machine = omap_generic_init,
113 .init_late = omap3_init_late,
114 .init_time = omap_init_time,
115 .dt_compat = n900_boards_compat,
116 .restart = omap3xxx_restart,
117MACHINE_END
118
119/* Generic omap3 boards, most boards can use these */
120static const char *const omap3_boards_compat[] __initconst = {
121 "ti,omap3430",
122 "ti,omap3",
123 NULL,
124};
125
126DT_MACHINE_START(OMAP3_DT, "Generic OMAP3 (Flattened Device Tree)")
127 .reserve = omap_reserve,
128 .map_io = omap3_map_io,
129 .init_early = omap3430_init_early,
130 .init_machine = omap_generic_init,
131 .init_late = omap3_init_late,
132 .init_time = omap_init_time,
133 .dt_compat = omap3_boards_compat,
134 .restart = omap3xxx_restart,
135MACHINE_END
136
137static const char *const omap36xx_boards_compat[] __initconst = {
138 "ti,omap3630",
139 "ti,omap36xx",
140 NULL,
141};
142
143DT_MACHINE_START(OMAP36XX_DT, "Generic OMAP36xx (Flattened Device Tree)")
144 .reserve = omap_reserve,
145 .map_io = omap3_map_io,
146 .init_early = omap3630_init_early,
147 .init_machine = omap_generic_init,
148 .init_late = omap3_init_late,
149 .init_time = omap_init_time,
150 .dt_compat = omap36xx_boards_compat,
151 .restart = omap3xxx_restart,
152MACHINE_END
153
154static const char *const omap3_gp_boards_compat[] __initconst = {
155 "ti,omap3-beagle",
156 "timll,omap3-devkit8000",
157 NULL,
158};
159
160DT_MACHINE_START(OMAP3_GP_DT, "Generic OMAP3-GP (Flattened Device Tree)")
161 .reserve = omap_reserve,
162 .map_io = omap3_map_io,
163 .init_early = omap3430_init_early,
164 .init_machine = omap_generic_init,
165 .init_late = omap3_init_late,
166 .init_time = omap3_secure_sync32k_timer_init,
167 .dt_compat = omap3_gp_boards_compat,
168 .restart = omap3xxx_restart,
169MACHINE_END
170
171static const char *const am3517_boards_compat[] __initconst = {
172 "ti,am3517",
173 NULL,
174};
175
176DT_MACHINE_START(AM3517_DT, "Generic AM3517 (Flattened Device Tree)")
177 .reserve = omap_reserve,
178 .map_io = omap3_map_io,
179 .init_early = am35xx_init_early,
180 .init_machine = omap_generic_init,
181 .init_late = omap3_init_late,
182 .init_time = omap3_gptimer_timer_init,
183 .dt_compat = am3517_boards_compat,
184 .restart = omap3xxx_restart,
185MACHINE_END
186#endif
187
188#ifdef CONFIG_SOC_TI81XX
189static const char *const ti814x_boards_compat[] __initconst = {
190 "ti,dm8148",
191 "ti,dm814",
192 NULL,
193};
194
195DT_MACHINE_START(TI814X_DT, "Generic ti814x (Flattened Device Tree)")
196 .reserve = omap_reserve,
197 .map_io = ti81xx_map_io,
198 .init_early = ti814x_init_early,
199 .init_machine = omap_generic_init,
200 .init_late = ti81xx_init_late,
201 .init_time = omap3_gptimer_timer_init,
202 .dt_compat = ti814x_boards_compat,
203 .restart = ti81xx_restart,
204MACHINE_END
205
206static const char *const ti816x_boards_compat[] __initconst = {
207 "ti,dm8168",
208 "ti,dm816",
209 NULL,
210};
211
212DT_MACHINE_START(TI816X_DT, "Generic ti816x (Flattened Device Tree)")
213 .reserve = omap_reserve,
214 .map_io = ti81xx_map_io,
215 .init_early = ti816x_init_early,
216 .init_machine = omap_generic_init,
217 .init_late = ti81xx_init_late,
218 .init_time = omap3_gptimer_timer_init,
219 .dt_compat = ti816x_boards_compat,
220 .restart = ti81xx_restart,
221MACHINE_END
222#endif
223
224#ifdef CONFIG_SOC_AM33XX
225static const char *const am33xx_boards_compat[] __initconst = {
226 "ti,am33xx",
227 NULL,
228};
229
230DT_MACHINE_START(AM33XX_DT, "Generic AM33XX (Flattened Device Tree)")
231 .reserve = omap_reserve,
232 .map_io = am33xx_map_io,
233 .init_early = am33xx_init_early,
234 .init_machine = omap_generic_init,
235 .init_late = am33xx_init_late,
236 .init_time = omap3_gptimer_timer_init,
237 .dt_compat = am33xx_boards_compat,
238 .restart = am33xx_restart,
239MACHINE_END
240#endif
241
242#ifdef CONFIG_ARCH_OMAP4
243static const char *const omap4_boards_compat[] __initconst = {
244 "ti,omap4460",
245 "ti,omap4430",
246 "ti,omap4",
247 NULL,
248};
249
250DT_MACHINE_START(OMAP4_DT, "Generic OMAP4 (Flattened Device Tree)")
251 .l2c_aux_val = OMAP_L2C_AUX_CTRL,
252 .l2c_aux_mask = 0xcf9fffff,
253 .l2c_write_sec = omap4_l2c310_write_sec,
254 .reserve = omap_reserve,
255 .smp = smp_ops(omap4_smp_ops),
256 .map_io = omap4_map_io,
257 .init_early = omap4430_init_early,
258 .init_irq = omap_gic_of_init,
259 .init_machine = omap_generic_init,
260 .init_late = omap4430_init_late,
261 .init_time = omap4_local_timer_init,
262 .dt_compat = omap4_boards_compat,
263 .restart = omap44xx_restart,
264MACHINE_END
265#endif
266
267#ifdef CONFIG_SOC_OMAP5
268static const char *const omap5_boards_compat[] __initconst = {
269 "ti,omap5432",
270 "ti,omap5430",
271 "ti,omap5",
272 NULL,
273};
274
275DT_MACHINE_START(OMAP5_DT, "Generic OMAP5 (Flattened Device Tree)")
276#if defined(CONFIG_ZONE_DMA) && defined(CONFIG_ARM_LPAE)
277 .dma_zone_size = SZ_2G,
278#endif
279 .reserve = omap_reserve,
280 .smp = smp_ops(omap4_smp_ops),
281 .map_io = omap5_map_io,
282 .init_early = omap5_init_early,
283 .init_irq = omap_gic_of_init,
284 .init_machine = omap_generic_init,
285 .init_late = omap5_init_late,
286 .init_time = omap5_realtime_timer_init,
287 .dt_compat = omap5_boards_compat,
288 .restart = omap44xx_restart,
289MACHINE_END
290#endif
291
292#ifdef CONFIG_SOC_AM43XX
293static const char *const am43_boards_compat[] __initconst = {
294 "ti,am4372",
295 "ti,am43",
296 NULL,
297};
298
299DT_MACHINE_START(AM43_DT, "Generic AM43 (Flattened Device Tree)")
300 .l2c_aux_val = OMAP_L2C_AUX_CTRL,
301 .l2c_aux_mask = 0xcf9fffff,
302 .l2c_write_sec = omap4_l2c310_write_sec,
303 .map_io = am33xx_map_io,
304 .init_early = am43xx_init_early,
305 .init_late = am43xx_init_late,
306 .init_irq = omap_gic_of_init,
307 .init_machine = omap_generic_init,
308 .init_time = omap3_gptimer_timer_init,
309 .dt_compat = am43_boards_compat,
310 .restart = omap44xx_restart,
311MACHINE_END
312#endif
313
314#ifdef CONFIG_SOC_DRA7XX
315static const char *const dra74x_boards_compat[] __initconst = {
316 "ti,dra762",
317 "ti,am5728",
318 "ti,am5726",
319 "ti,dra742",
320 "ti,dra7",
321 NULL,
322};
323
324DT_MACHINE_START(DRA74X_DT, "Generic DRA74X (Flattened Device Tree)")
325#if defined(CONFIG_ZONE_DMA) && defined(CONFIG_ARM_LPAE)
326 .dma_zone_size = SZ_2G,
327#endif
328 .reserve = omap_reserve,
329 .smp = smp_ops(omap4_smp_ops),
330 .map_io = dra7xx_map_io,
331 .init_early = dra7xx_init_early,
332 .init_late = dra7xx_init_late,
333 .init_irq = omap_gic_of_init,
334 .init_machine = omap_generic_init,
335 .init_time = omap5_realtime_timer_init,
336 .dt_compat = dra74x_boards_compat,
337 .restart = omap44xx_restart,
338MACHINE_END
339
340static const char *const dra72x_boards_compat[] __initconst = {
341 "ti,am5718",
342 "ti,am5716",
343 "ti,dra722",
344 "ti,dra718",
345 NULL,
346};
347
348DT_MACHINE_START(DRA72X_DT, "Generic DRA72X (Flattened Device Tree)")
349#if defined(CONFIG_ZONE_DMA) && defined(CONFIG_ARM_LPAE)
350 .dma_zone_size = SZ_2G,
351#endif
352 .reserve = omap_reserve,
353 .map_io = dra7xx_map_io,
354 .init_early = dra7xx_init_early,
355 .init_late = dra7xx_init_late,
356 .init_irq = omap_gic_of_init,
357 .init_machine = omap_generic_init,
358 .init_time = omap5_realtime_timer_init,
359 .dt_compat = dra72x_boards_compat,
360 .restart = omap44xx_restart,
361MACHINE_END
362#endif