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ARM: mach-shmobile: sh7377 and G4EVM timer rework
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1 /*
2 * sh7377 processor support
3 *
4 * Copyright (C) 2010 Magnus Damm
5 * Copyright (C) 2008 Yoshihiro Shimoda
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; version 2 of the License.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20 #include <linux/kernel.h>
21 #include <linux/init.h>
22 #include <linux/interrupt.h>
23 #include <linux/irq.h>
24 #include <linux/platform_device.h>
25 #include <linux/uio_driver.h>
26 #include <linux/delay.h>
27 #include <linux/input.h>
28 #include <linux/io.h>
29 #include <linux/serial_sci.h>
30 #include <linux/sh_intc.h>
31 #include <linux/sh_timer.h>
32 #include <mach/hardware.h>
33 #include <mach/common.h>
34 #include <asm/mach/map.h>
35 #include <asm/mach-types.h>
36 #include <asm/mach/arch.h>
37 #include <asm/mach/time.h>
38
39 static struct map_desc sh7377_io_desc[] __initdata = {
40 /* create a 1:1 entity map for 0xe6xxxxxx
41 * used by CPGA, INTC and PFC.
42 */
43 {
44 .virtual = 0xe6000000,
45 .pfn = __phys_to_pfn(0xe6000000),
46 .length = 256 << 20,
47 .type = MT_DEVICE_NONSHARED
48 },
49 };
50
51 void __init sh7377_map_io(void)
52 {
53 iotable_init(sh7377_io_desc, ARRAY_SIZE(sh7377_io_desc));
54 }
55
56 /* SCIFA0 */
57 static struct plat_sci_port scif0_platform_data = {
58 .mapbase = 0xe6c40000,
59 .flags = UPF_BOOT_AUTOCONF,
60 .scscr = SCSCR_RE | SCSCR_TE,
61 .scbrr_algo_id = SCBRR_ALGO_4,
62 .type = PORT_SCIFA,
63 .irqs = { evt2irq(0xc00), evt2irq(0xc00),
64 evt2irq(0xc00), evt2irq(0xc00) },
65 };
66
67 static struct platform_device scif0_device = {
68 .name = "sh-sci",
69 .id = 0,
70 .dev = {
71 .platform_data = &scif0_platform_data,
72 },
73 };
74
75 /* SCIFA1 */
76 static struct plat_sci_port scif1_platform_data = {
77 .mapbase = 0xe6c50000,
78 .flags = UPF_BOOT_AUTOCONF,
79 .scscr = SCSCR_RE | SCSCR_TE,
80 .scbrr_algo_id = SCBRR_ALGO_4,
81 .type = PORT_SCIFA,
82 .irqs = { evt2irq(0xc20), evt2irq(0xc20),
83 evt2irq(0xc20), evt2irq(0xc20) },
84 };
85
86 static struct platform_device scif1_device = {
87 .name = "sh-sci",
88 .id = 1,
89 .dev = {
90 .platform_data = &scif1_platform_data,
91 },
92 };
93
94 /* SCIFA2 */
95 static struct plat_sci_port scif2_platform_data = {
96 .mapbase = 0xe6c60000,
97 .flags = UPF_BOOT_AUTOCONF,
98 .scscr = SCSCR_RE | SCSCR_TE,
99 .scbrr_algo_id = SCBRR_ALGO_4,
100 .type = PORT_SCIFA,
101 .irqs = { evt2irq(0xc40), evt2irq(0xc40),
102 evt2irq(0xc40), evt2irq(0xc40) },
103 };
104
105 static struct platform_device scif2_device = {
106 .name = "sh-sci",
107 .id = 2,
108 .dev = {
109 .platform_data = &scif2_platform_data,
110 },
111 };
112
113 /* SCIFA3 */
114 static struct plat_sci_port scif3_platform_data = {
115 .mapbase = 0xe6c70000,
116 .flags = UPF_BOOT_AUTOCONF,
117 .scscr = SCSCR_RE | SCSCR_TE,
118 .scbrr_algo_id = SCBRR_ALGO_4,
119 .type = PORT_SCIFA,
120 .irqs = { evt2irq(0xc60), evt2irq(0xc60),
121 evt2irq(0xc60), evt2irq(0xc60) },
122 };
123
124 static struct platform_device scif3_device = {
125 .name = "sh-sci",
126 .id = 3,
127 .dev = {
128 .platform_data = &scif3_platform_data,
129 },
130 };
131
132 /* SCIFA4 */
133 static struct plat_sci_port scif4_platform_data = {
134 .mapbase = 0xe6c80000,
135 .flags = UPF_BOOT_AUTOCONF,
136 .scscr = SCSCR_RE | SCSCR_TE,
137 .scbrr_algo_id = SCBRR_ALGO_4,
138 .type = PORT_SCIFA,
139 .irqs = { evt2irq(0xd20), evt2irq(0xd20),
140 evt2irq(0xd20), evt2irq(0xd20) },
141 };
142
143 static struct platform_device scif4_device = {
144 .name = "sh-sci",
145 .id = 4,
146 .dev = {
147 .platform_data = &scif4_platform_data,
148 },
149 };
150
151 /* SCIFA5 */
152 static struct plat_sci_port scif5_platform_data = {
153 .mapbase = 0xe6cb0000,
154 .flags = UPF_BOOT_AUTOCONF,
155 .scscr = SCSCR_RE | SCSCR_TE,
156 .scbrr_algo_id = SCBRR_ALGO_4,
157 .type = PORT_SCIFA,
158 .irqs = { evt2irq(0xd40), evt2irq(0xd40),
159 evt2irq(0xd40), evt2irq(0xd40) },
160 };
161
162 static struct platform_device scif5_device = {
163 .name = "sh-sci",
164 .id = 5,
165 .dev = {
166 .platform_data = &scif5_platform_data,
167 },
168 };
169
170 /* SCIFA6 */
171 static struct plat_sci_port scif6_platform_data = {
172 .mapbase = 0xe6cc0000,
173 .flags = UPF_BOOT_AUTOCONF,
174 .scscr = SCSCR_RE | SCSCR_TE,
175 .scbrr_algo_id = SCBRR_ALGO_4,
176 .type = PORT_SCIFA,
177 .irqs = { intcs_evt2irq(0x1a80), intcs_evt2irq(0x1a80),
178 intcs_evt2irq(0x1a80), intcs_evt2irq(0x1a80) },
179 };
180
181 static struct platform_device scif6_device = {
182 .name = "sh-sci",
183 .id = 6,
184 .dev = {
185 .platform_data = &scif6_platform_data,
186 },
187 };
188
189 /* SCIFB */
190 static struct plat_sci_port scif7_platform_data = {
191 .mapbase = 0xe6c30000,
192 .flags = UPF_BOOT_AUTOCONF,
193 .scscr = SCSCR_RE | SCSCR_TE,
194 .scbrr_algo_id = SCBRR_ALGO_4,
195 .type = PORT_SCIFB,
196 .irqs = { evt2irq(0xd60), evt2irq(0xd60),
197 evt2irq(0xd60), evt2irq(0xd60) },
198 };
199
200 static struct platform_device scif7_device = {
201 .name = "sh-sci",
202 .id = 7,
203 .dev = {
204 .platform_data = &scif7_platform_data,
205 },
206 };
207
208 static struct sh_timer_config cmt10_platform_data = {
209 .name = "CMT10",
210 .channel_offset = 0x10,
211 .timer_bit = 0,
212 .clockevent_rating = 125,
213 .clocksource_rating = 125,
214 };
215
216 static struct resource cmt10_resources[] = {
217 [0] = {
218 .name = "CMT10",
219 .start = 0xe6138010,
220 .end = 0xe613801b,
221 .flags = IORESOURCE_MEM,
222 },
223 [1] = {
224 .start = evt2irq(0xb00), /* CMT1_CMT10 */
225 .flags = IORESOURCE_IRQ,
226 },
227 };
228
229 static struct platform_device cmt10_device = {
230 .name = "sh_cmt",
231 .id = 10,
232 .dev = {
233 .platform_data = &cmt10_platform_data,
234 },
235 .resource = cmt10_resources,
236 .num_resources = ARRAY_SIZE(cmt10_resources),
237 };
238
239 /* VPU */
240 static struct uio_info vpu_platform_data = {
241 .name = "VPU5HG",
242 .version = "0",
243 .irq = intcs_evt2irq(0x980),
244 };
245
246 static struct resource vpu_resources[] = {
247 [0] = {
248 .name = "VPU",
249 .start = 0xfe900000,
250 .end = 0xfe900157,
251 .flags = IORESOURCE_MEM,
252 },
253 };
254
255 static struct platform_device vpu_device = {
256 .name = "uio_pdrv_genirq",
257 .id = 0,
258 .dev = {
259 .platform_data = &vpu_platform_data,
260 },
261 .resource = vpu_resources,
262 .num_resources = ARRAY_SIZE(vpu_resources),
263 };
264
265 /* VEU0 */
266 static struct uio_info veu0_platform_data = {
267 .name = "VEU0",
268 .version = "0",
269 .irq = intcs_evt2irq(0x700),
270 };
271
272 static struct resource veu0_resources[] = {
273 [0] = {
274 .name = "VEU0",
275 .start = 0xfe920000,
276 .end = 0xfe9200cb,
277 .flags = IORESOURCE_MEM,
278 },
279 };
280
281 static struct platform_device veu0_device = {
282 .name = "uio_pdrv_genirq",
283 .id = 1,
284 .dev = {
285 .platform_data = &veu0_platform_data,
286 },
287 .resource = veu0_resources,
288 .num_resources = ARRAY_SIZE(veu0_resources),
289 };
290
291 /* VEU1 */
292 static struct uio_info veu1_platform_data = {
293 .name = "VEU1",
294 .version = "0",
295 .irq = intcs_evt2irq(0x720),
296 };
297
298 static struct resource veu1_resources[] = {
299 [0] = {
300 .name = "VEU1",
301 .start = 0xfe924000,
302 .end = 0xfe9240cb,
303 .flags = IORESOURCE_MEM,
304 },
305 };
306
307 static struct platform_device veu1_device = {
308 .name = "uio_pdrv_genirq",
309 .id = 2,
310 .dev = {
311 .platform_data = &veu1_platform_data,
312 },
313 .resource = veu1_resources,
314 .num_resources = ARRAY_SIZE(veu1_resources),
315 };
316
317 /* VEU2 */
318 static struct uio_info veu2_platform_data = {
319 .name = "VEU2",
320 .version = "0",
321 .irq = intcs_evt2irq(0x740),
322 };
323
324 static struct resource veu2_resources[] = {
325 [0] = {
326 .name = "VEU2",
327 .start = 0xfe928000,
328 .end = 0xfe928307,
329 .flags = IORESOURCE_MEM,
330 },
331 };
332
333 static struct platform_device veu2_device = {
334 .name = "uio_pdrv_genirq",
335 .id = 3,
336 .dev = {
337 .platform_data = &veu2_platform_data,
338 },
339 .resource = veu2_resources,
340 .num_resources = ARRAY_SIZE(veu2_resources),
341 };
342
343 /* VEU3 */
344 static struct uio_info veu3_platform_data = {
345 .name = "VEU3",
346 .version = "0",
347 .irq = intcs_evt2irq(0x760),
348 };
349
350 static struct resource veu3_resources[] = {
351 [0] = {
352 .name = "VEU3",
353 .start = 0xfe92c000,
354 .end = 0xfe92c307,
355 .flags = IORESOURCE_MEM,
356 },
357 };
358
359 static struct platform_device veu3_device = {
360 .name = "uio_pdrv_genirq",
361 .id = 4,
362 .dev = {
363 .platform_data = &veu3_platform_data,
364 },
365 .resource = veu3_resources,
366 .num_resources = ARRAY_SIZE(veu3_resources),
367 };
368
369 /* JPU */
370 static struct uio_info jpu_platform_data = {
371 .name = "JPU",
372 .version = "0",
373 .irq = intcs_evt2irq(0x560),
374 };
375
376 static struct resource jpu_resources[] = {
377 [0] = {
378 .name = "JPU",
379 .start = 0xfe980000,
380 .end = 0xfe9902d3,
381 .flags = IORESOURCE_MEM,
382 },
383 };
384
385 static struct platform_device jpu_device = {
386 .name = "uio_pdrv_genirq",
387 .id = 5,
388 .dev = {
389 .platform_data = &jpu_platform_data,
390 },
391 .resource = jpu_resources,
392 .num_resources = ARRAY_SIZE(jpu_resources),
393 };
394
395 /* SPU2DSP0 */
396 static struct uio_info spu0_platform_data = {
397 .name = "SPU2DSP0",
398 .version = "0",
399 .irq = evt2irq(0x1800),
400 };
401
402 static struct resource spu0_resources[] = {
403 [0] = {
404 .name = "SPU2DSP0",
405 .start = 0xfe200000,
406 .end = 0xfe2fffff,
407 .flags = IORESOURCE_MEM,
408 },
409 };
410
411 static struct platform_device spu0_device = {
412 .name = "uio_pdrv_genirq",
413 .id = 6,
414 .dev = {
415 .platform_data = &spu0_platform_data,
416 },
417 .resource = spu0_resources,
418 .num_resources = ARRAY_SIZE(spu0_resources),
419 };
420
421 /* SPU2DSP1 */
422 static struct uio_info spu1_platform_data = {
423 .name = "SPU2DSP1",
424 .version = "0",
425 .irq = evt2irq(0x1820),
426 };
427
428 static struct resource spu1_resources[] = {
429 [0] = {
430 .name = "SPU2DSP1",
431 .start = 0xfe300000,
432 .end = 0xfe3fffff,
433 .flags = IORESOURCE_MEM,
434 },
435 };
436
437 static struct platform_device spu1_device = {
438 .name = "uio_pdrv_genirq",
439 .id = 7,
440 .dev = {
441 .platform_data = &spu1_platform_data,
442 },
443 .resource = spu1_resources,
444 .num_resources = ARRAY_SIZE(spu1_resources),
445 };
446
447 static struct platform_device *sh7377_early_devices[] __initdata = {
448 &scif0_device,
449 &scif1_device,
450 &scif2_device,
451 &scif3_device,
452 &scif4_device,
453 &scif5_device,
454 &scif6_device,
455 &scif7_device,
456 &cmt10_device,
457 };
458
459 static struct platform_device *sh7377_devices[] __initdata = {
460 &vpu_device,
461 &veu0_device,
462 &veu1_device,
463 &veu2_device,
464 &veu3_device,
465 &jpu_device,
466 &spu0_device,
467 &spu1_device,
468 };
469
470 void __init sh7377_add_standard_devices(void)
471 {
472 platform_add_devices(sh7377_early_devices,
473 ARRAY_SIZE(sh7377_early_devices));
474
475 platform_add_devices(sh7377_devices,
476 ARRAY_SIZE(sh7377_devices));
477 }
478
479 static void __init sh7377_earlytimer_init(void)
480 {
481 sh7377_clock_init();
482 shmobile_earlytimer_init();
483 }
484
485 #define SMSTPCR3 0xe615013c
486 #define SMSTPCR3_CMT1 (1 << 29)
487
488 void __init sh7377_add_early_devices(void)
489 {
490 /* enable clock to CMT1 */
491 __raw_writel(__raw_readl(SMSTPCR3) & ~SMSTPCR3_CMT1, SMSTPCR3);
492
493 early_platform_add_devices(sh7377_early_devices,
494 ARRAY_SIZE(sh7377_early_devices));
495
496 /* setup early console here as well */
497 shmobile_setup_console();
498
499 /* override timer setup with soc-specific code */
500 shmobile_timer.init = sh7377_earlytimer_init;
501 }