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v3.5.6
 
  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 <mach/hardware.h>
 20#include <asm/hardware/gic.h>
 21#include <asm/mach/arch.h>
 
 22
 23#include <plat/board.h>
 24#include "common.h"
 25#include "common-board-devices.h"
 26
 27#if !(defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3))
 28#define omap_intc_of_init	NULL
 29#endif
 30#ifndef CONFIG_ARCH_OMAP4
 31#define gic_of_init		NULL
 32#endif
 33
 34static struct of_device_id irq_match[] __initdata = {
 35	{ .compatible = "ti,omap2-intc", .data = omap_intc_of_init, },
 36	{ .compatible = "arm,cortex-a9-gic", .data = gic_of_init, },
 37	{ }
 38};
 39
 40static void __init omap_init_irq(void)
 41{
 42	of_irq_init(irq_match);
 43}
 44
 45static struct of_device_id omap_dt_match_table[] __initdata = {
 46	{ .compatible = "simple-bus", },
 47	{ .compatible = "ti,omap-infra", },
 48	{ }
 49};
 50
 51static void __init omap_generic_init(void)
 52{
 53	omap_sdrc_init(NULL, NULL);
 54
 55	of_platform_populate(NULL, omap_dt_match_table, NULL, NULL);
 56}
 57
 58#ifdef CONFIG_SOC_OMAP2420
 59static const char *omap242x_boards_compat[] __initdata = {
 60	"ti,omap2420",
 61	NULL,
 62};
 63
 64DT_MACHINE_START(OMAP242X_DT, "Generic OMAP2420 (Flattened Device Tree)")
 65	.reserve	= omap_reserve,
 66	.map_io		= omap242x_map_io,
 67	.init_early	= omap2420_init_early,
 68	.init_irq	= omap_init_irq,
 69	.handle_irq	= omap2_intc_handle_irq,
 70	.init_machine	= omap_generic_init,
 71	.timer		= &omap2_timer,
 72	.dt_compat	= omap242x_boards_compat,
 73	.restart	= omap_prcm_restart,
 74MACHINE_END
 75#endif
 76
 77#ifdef CONFIG_SOC_OMAP2430
 78static const char *omap243x_boards_compat[] __initdata = {
 79	"ti,omap2430",
 80	NULL,
 81};
 82
 83DT_MACHINE_START(OMAP243X_DT, "Generic OMAP2430 (Flattened Device Tree)")
 84	.reserve	= omap_reserve,
 85	.map_io		= omap243x_map_io,
 86	.init_early	= omap2430_init_early,
 87	.init_irq	= omap_init_irq,
 88	.handle_irq	= omap2_intc_handle_irq,
 89	.init_machine	= omap_generic_init,
 90	.timer		= &omap2_timer,
 91	.dt_compat	= omap243x_boards_compat,
 92	.restart	= omap_prcm_restart,
 93MACHINE_END
 94#endif
 95
 96#ifdef CONFIG_ARCH_OMAP3
 97static const char *omap3_boards_compat[] __initdata = {
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 98	"ti,omap3",
 99	NULL,
100};
101
102DT_MACHINE_START(OMAP3_DT, "Generic OMAP3 (Flattened Device Tree)")
103	.reserve	= omap_reserve,
104	.map_io		= omap3_map_io,
105	.init_early	= omap3430_init_early,
106	.init_irq	= omap_init_irq,
107	.handle_irq	= omap3_intc_handle_irq,
108	.init_machine	= omap_generic_init,
109	.timer		= &omap3_timer,
 
110	.dt_compat	= omap3_boards_compat,
111	.restart	= omap_prcm_restart,
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
112MACHINE_END
113#endif
114
115#ifdef CONFIG_ARCH_OMAP4
116static const char *omap4_boards_compat[] __initdata = {
 
 
117	"ti,omap4",
118	NULL,
119};
120
121DT_MACHINE_START(OMAP4_DT, "Generic OMAP4 (Flattened Device Tree)")
 
 
 
122	.reserve	= omap_reserve,
 
123	.map_io		= omap4_map_io,
124	.init_early	= omap4430_init_early,
125	.init_irq	= omap_init_irq,
126	.handle_irq	= gic_handle_irq,
127	.init_machine	= omap_generic_init,
128	.init_late	= omap4430_init_late,
129	.timer		= &omap4_timer,
130	.dt_compat	= omap4_boards_compat,
131	.restart	= omap_prcm_restart,
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
132MACHINE_END
133#endif
v5.4
  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
 22static const struct of_device_id omap_dt_match_table[] __initconst = {
 
 
 
 
 
 23	{ .compatible = "simple-bus", },
 24	{ .compatible = "ti,omap-infra", },
 25	{ }
 26};
 27
 28static 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
 35static const char *const omap242x_boards_compat[] __initconst = {
 36	"ti,omap2420",
 37	NULL,
 38};
 39
 40DT_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,
 48MACHINE_END
 49#endif
 50
 51#ifdef CONFIG_SOC_OMAP2430
 52static const char *const omap243x_boards_compat[] __initconst = {
 53	"ti,omap2430",
 54	NULL,
 55};
 56
 57DT_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,
 65MACHINE_END
 66#endif
 67
 68#ifdef CONFIG_ARCH_OMAP3
 69/* Some boards need board name for legacy userspace in /proc/cpuinfo */
 70static const char *const n900_boards_compat[] __initconst = {
 71	"nokia,omap3-n900",
 72	NULL,
 73};
 74
 75/* Set system_rev from atags */
 76static 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 */
 94static 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
103DT_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,
112MACHINE_END
113
114/* Generic omap3 boards, most boards can use these */
115static const char *const omap3_boards_compat[] __initconst = {
116	"ti,omap3430",
117	"ti,omap3",
118	NULL,
119};
120
121DT_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,
130MACHINE_END
131
132static const char *const omap36xx_boards_compat[] __initconst = {
133	"ti,omap3630",
134	"ti,omap36xx",
135	NULL,
136};
137
138DT_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,
147MACHINE_END
148
149static const char *const omap3_gp_boards_compat[] __initconst = {
150	"ti,omap3-beagle",
151	"timll,omap3-devkit8000",
152	NULL,
153};
154
155DT_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,
164MACHINE_END
165
166static const char *const am3517_boards_compat[] __initconst = {
167	"ti,am3517",
168	NULL,
169};
170
171DT_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,
180MACHINE_END
181#endif
182
183#ifdef CONFIG_SOC_TI81XX
184static const char *const ti814x_boards_compat[] __initconst = {
185	"ti,dm8148",
186	"ti,dm814",
187	NULL,
188};
189
190DT_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,
199MACHINE_END
200
201static const char *const ti816x_boards_compat[] __initconst = {
202	"ti,dm8168",
203	"ti,dm816",
204	NULL,
205};
206
207DT_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,
216MACHINE_END
217#endif
218
219#ifdef CONFIG_SOC_AM33XX
220static const char *const am33xx_boards_compat[] __initconst = {
221	"ti,am33xx",
222	NULL,
223};
224
225DT_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,
234MACHINE_END
235#endif
236
237#ifdef CONFIG_ARCH_OMAP4
238static const char *const omap4_boards_compat[] __initconst = {
239	"ti,omap4460",
240	"ti,omap4430",
241	"ti,omap4",
242	NULL,
243};
244
245DT_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,
259MACHINE_END
260#endif
261
262#ifdef CONFIG_SOC_OMAP5
263static const char *const omap5_boards_compat[] __initconst = {
264	"ti,omap5432",
265	"ti,omap5430",
266	"ti,omap5",
267	NULL,
268};
269
270DT_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,
284MACHINE_END
285#endif
286
287#ifdef CONFIG_SOC_AM43XX
288static const char *const am43_boards_compat[] __initconst = {
289	"ti,am4372",
290	"ti,am43",
291	NULL,
292};
293
294DT_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,
306MACHINE_END
307#endif
308
309#ifdef CONFIG_SOC_DRA7XX
310static 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
319DT_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,
333MACHINE_END
334
335static const char *const dra72x_boards_compat[] __initconst = {
336	"ti,am5718",
337	"ti,am5716",
338	"ti,dra722",
339	"ti,dra718",
340	NULL,
341};
342
343DT_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,
356MACHINE_END
357#endif