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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 omap_generic_init(void)
32{
33 omapdss_early_init_of();
34
35 pdata_quirks_init(omap_dt_match_table);
36
37 omapdss_init_of();
38}
39
40#ifdef CONFIG_SOC_OMAP2420
41static const char *const omap242x_boards_compat[] __initconst = {
42 "ti,omap2420",
43 NULL,
44};
45
46DT_MACHINE_START(OMAP242X_DT, "Generic OMAP2420 (Flattened Device Tree)")
47 .reserve = omap_reserve,
48 .map_io = omap242x_map_io,
49 .init_early = omap2420_init_early,
50 .init_machine = omap_generic_init,
51 .init_time = omap_init_time,
52 .dt_compat = omap242x_boards_compat,
53 .restart = omap2xxx_restart,
54MACHINE_END
55#endif
56
57#ifdef CONFIG_SOC_OMAP2430
58static const char *const omap243x_boards_compat[] __initconst = {
59 "ti,omap2430",
60 NULL,
61};
62
63DT_MACHINE_START(OMAP243X_DT, "Generic OMAP2430 (Flattened Device Tree)")
64 .reserve = omap_reserve,
65 .map_io = omap243x_map_io,
66 .init_early = omap2430_init_early,
67 .init_machine = omap_generic_init,
68 .init_time = omap_init_time,
69 .dt_compat = omap243x_boards_compat,
70 .restart = omap2xxx_restart,
71MACHINE_END
72#endif
73
74#ifdef CONFIG_ARCH_OMAP3
75/* Some boards need board name for legacy userspace in /proc/cpuinfo */
76static const char *const n900_boards_compat[] __initconst = {
77 "nokia,omap3-n900",
78 NULL,
79};
80
81/* Set system_rev from atags */
82static void __init rx51_set_system_rev(const struct tag *tags)
83{
84 const struct tag *tag;
85
86 if (tags->hdr.tag != ATAG_CORE)
87 return;
88
89 for_each_tag(tag, tags) {
90 if (tag->hdr.tag == ATAG_REVISION) {
91 system_rev = tag->u.revision.rev;
92 break;
93 }
94 }
95}
96
97/* Legacy userspace on Nokia N900 needs ATAGS exported in /proc/atags,
98 * save them while the data is still not overwritten
99 */
100static void __init rx51_reserve(void)
101{
102 const struct tag *tags = (const struct tag *)(PAGE_OFFSET + 0x100);
103
104 save_atags(tags);
105 rx51_set_system_rev(tags);
106 omap_reserve();
107}
108
109DT_MACHINE_START(OMAP3_N900_DT, "Nokia RX-51 board")
110 .reserve = rx51_reserve,
111 .map_io = omap3_map_io,
112 .init_early = omap3430_init_early,
113 .init_machine = omap_generic_init,
114 .init_late = omap3_init_late,
115 .init_time = omap_init_time,
116 .dt_compat = n900_boards_compat,
117 .restart = omap3xxx_restart,
118MACHINE_END
119
120/* Generic omap3 boards, most boards can use these */
121static const char *const omap3_boards_compat[] __initconst = {
122 "ti,omap3430",
123 "ti,omap3",
124 NULL,
125};
126
127DT_MACHINE_START(OMAP3_DT, "Generic OMAP3 (Flattened Device Tree)")
128 .reserve = omap_reserve,
129 .map_io = omap3_map_io,
130 .init_early = omap3430_init_early,
131 .init_machine = omap_generic_init,
132 .init_late = omap3_init_late,
133 .init_time = omap_init_time,
134 .dt_compat = omap3_boards_compat,
135 .restart = omap3xxx_restart,
136MACHINE_END
137
138static const char *const omap36xx_boards_compat[] __initconst = {
139 "ti,omap3630",
140 "ti,omap36xx",
141 NULL,
142};
143
144DT_MACHINE_START(OMAP36XX_DT, "Generic OMAP36xx (Flattened Device Tree)")
145 .reserve = omap_reserve,
146 .map_io = omap3_map_io,
147 .init_early = omap3630_init_early,
148 .init_machine = omap_generic_init,
149 .init_late = omap3_init_late,
150 .init_time = omap_init_time,
151 .dt_compat = omap36xx_boards_compat,
152 .restart = omap3xxx_restart,
153MACHINE_END
154
155static const char *const omap3_gp_boards_compat[] __initconst = {
156 "ti,omap3-beagle",
157 "timll,omap3-devkit8000",
158 NULL,
159};
160
161DT_MACHINE_START(OMAP3_GP_DT, "Generic OMAP3-GP (Flattened Device Tree)")
162 .reserve = omap_reserve,
163 .map_io = omap3_map_io,
164 .init_early = omap3430_init_early,
165 .init_machine = omap_generic_init,
166 .init_late = omap3_init_late,
167 .init_time = omap3_secure_sync32k_timer_init,
168 .dt_compat = omap3_gp_boards_compat,
169 .restart = omap3xxx_restart,
170MACHINE_END
171
172static const char *const am3517_boards_compat[] __initconst = {
173 "ti,am3517",
174 NULL,
175};
176
177DT_MACHINE_START(AM3517_DT, "Generic AM3517 (Flattened Device Tree)")
178 .reserve = omap_reserve,
179 .map_io = omap3_map_io,
180 .init_early = am35xx_init_early,
181 .init_machine = omap_generic_init,
182 .init_late = omap3_init_late,
183 .init_time = omap3_gptimer_timer_init,
184 .dt_compat = am3517_boards_compat,
185 .restart = omap3xxx_restart,
186MACHINE_END
187#endif
188
189#ifdef CONFIG_SOC_TI81XX
190static const char *const ti814x_boards_compat[] __initconst = {
191 "ti,dm8148",
192 "ti,dm814",
193 NULL,
194};
195
196DT_MACHINE_START(TI814X_DT, "Generic ti814x (Flattened Device Tree)")
197 .reserve = omap_reserve,
198 .map_io = ti81xx_map_io,
199 .init_early = ti814x_init_early,
200 .init_machine = omap_generic_init,
201 .init_late = ti81xx_init_late,
202 .init_time = omap3_gptimer_timer_init,
203 .dt_compat = ti814x_boards_compat,
204 .restart = ti81xx_restart,
205MACHINE_END
206
207static const char *const ti816x_boards_compat[] __initconst = {
208 "ti,dm8168",
209 "ti,dm816",
210 NULL,
211};
212
213DT_MACHINE_START(TI816X_DT, "Generic ti816x (Flattened Device Tree)")
214 .reserve = omap_reserve,
215 .map_io = ti81xx_map_io,
216 .init_early = ti816x_init_early,
217 .init_machine = omap_generic_init,
218 .init_late = ti81xx_init_late,
219 .init_time = omap3_gptimer_timer_init,
220 .dt_compat = ti816x_boards_compat,
221 .restart = ti81xx_restart,
222MACHINE_END
223#endif
224
225#ifdef CONFIG_SOC_AM33XX
226static const char *const am33xx_boards_compat[] __initconst = {
227 "ti,am33xx",
228 NULL,
229};
230
231DT_MACHINE_START(AM33XX_DT, "Generic AM33XX (Flattened Device Tree)")
232 .reserve = omap_reserve,
233 .map_io = am33xx_map_io,
234 .init_early = am33xx_init_early,
235 .init_machine = omap_generic_init,
236 .init_late = am33xx_init_late,
237 .init_time = omap3_gptimer_timer_init,
238 .dt_compat = am33xx_boards_compat,
239 .restart = am33xx_restart,
240MACHINE_END
241#endif
242
243#ifdef CONFIG_ARCH_OMAP4
244static const char *const omap4_boards_compat[] __initconst = {
245 "ti,omap4460",
246 "ti,omap4430",
247 "ti,omap4",
248 NULL,
249};
250
251DT_MACHINE_START(OMAP4_DT, "Generic OMAP4 (Flattened Device Tree)")
252 .l2c_aux_val = OMAP_L2C_AUX_CTRL,
253 .l2c_aux_mask = 0xcf9fffff,
254 .l2c_write_sec = omap4_l2c310_write_sec,
255 .reserve = omap_reserve,
256 .smp = smp_ops(omap4_smp_ops),
257 .map_io = omap4_map_io,
258 .init_early = omap4430_init_early,
259 .init_irq = omap_gic_of_init,
260 .init_machine = omap_generic_init,
261 .init_late = omap4430_init_late,
262 .init_time = omap4_local_timer_init,
263 .dt_compat = omap4_boards_compat,
264 .restart = omap44xx_restart,
265MACHINE_END
266#endif
267
268#ifdef CONFIG_SOC_OMAP5
269static const char *const omap5_boards_compat[] __initconst = {
270 "ti,omap5432",
271 "ti,omap5430",
272 "ti,omap5",
273 NULL,
274};
275
276DT_MACHINE_START(OMAP5_DT, "Generic OMAP5 (Flattened Device Tree)")
277#if defined(CONFIG_ZONE_DMA) && defined(CONFIG_ARM_LPAE)
278 .dma_zone_size = SZ_2G,
279#endif
280 .reserve = omap_reserve,
281 .smp = smp_ops(omap4_smp_ops),
282 .map_io = omap5_map_io,
283 .init_early = omap5_init_early,
284 .init_irq = omap_gic_of_init,
285 .init_machine = omap_generic_init,
286 .init_late = omap5_init_late,
287 .init_time = omap5_realtime_timer_init,
288 .dt_compat = omap5_boards_compat,
289 .restart = omap44xx_restart,
290MACHINE_END
291#endif
292
293#ifdef CONFIG_SOC_AM43XX
294static const char *const am43_boards_compat[] __initconst = {
295 "ti,am4372",
296 "ti,am43",
297 NULL,
298};
299
300DT_MACHINE_START(AM43_DT, "Generic AM43 (Flattened Device Tree)")
301 .l2c_aux_val = OMAP_L2C_AUX_CTRL,
302 .l2c_aux_mask = 0xcf9fffff,
303 .l2c_write_sec = omap4_l2c310_write_sec,
304 .map_io = am33xx_map_io,
305 .init_early = am43xx_init_early,
306 .init_late = am43xx_init_late,
307 .init_irq = omap_gic_of_init,
308 .init_machine = omap_generic_init,
309 .init_time = omap4_local_timer_init,
310 .dt_compat = am43_boards_compat,
311 .restart = omap44xx_restart,
312MACHINE_END
313#endif
314
315#ifdef CONFIG_SOC_DRA7XX
316static const char *const dra74x_boards_compat[] __initconst = {
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 NULL,
345};
346
347DT_MACHINE_START(DRA72X_DT, "Generic DRA72X (Flattened Device Tree)")
348#if defined(CONFIG_ZONE_DMA) && defined(CONFIG_ARM_LPAE)
349 .dma_zone_size = SZ_2G,
350#endif
351 .reserve = omap_reserve,
352 .map_io = dra7xx_map_io,
353 .init_early = dra7xx_init_early,
354 .init_late = dra7xx_init_late,
355 .init_irq = omap_gic_of_init,
356 .init_machine = omap_generic_init,
357 .init_time = omap5_realtime_timer_init,
358 .dt_compat = dra72x_boards_compat,
359 .restart = omap44xx_restart,
360MACHINE_END
361#endif