Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux...
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / arch / arm / mach-shmobile / setup-sh7372.c
1 /*
2 * sh7372 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/delay.h>
26 #include <linux/input.h>
27 #include <linux/io.h>
28 #include <linux/serial_sci.h>
29 #include <linux/sh_dma.h>
30 #include <linux/sh_intc.h>
31 #include <linux/sh_timer.h>
32 #include <mach/hardware.h>
33 #include <mach/sh7372.h>
34 #include <asm/mach-types.h>
35 #include <asm/mach/arch.h>
36
37 /* SCIFA0 */
38 static struct plat_sci_port scif0_platform_data = {
39 .mapbase = 0xe6c40000,
40 .flags = UPF_BOOT_AUTOCONF,
41 .scscr = SCSCR_RE | SCSCR_TE,
42 .scbrr_algo_id = SCBRR_ALGO_4,
43 .type = PORT_SCIFA,
44 .irqs = { evt2irq(0x0c00), evt2irq(0x0c00),
45 evt2irq(0x0c00), evt2irq(0x0c00) },
46 };
47
48 static struct platform_device scif0_device = {
49 .name = "sh-sci",
50 .id = 0,
51 .dev = {
52 .platform_data = &scif0_platform_data,
53 },
54 };
55
56 /* SCIFA1 */
57 static struct plat_sci_port scif1_platform_data = {
58 .mapbase = 0xe6c50000,
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(0x0c20), evt2irq(0x0c20),
64 evt2irq(0x0c20), evt2irq(0x0c20) },
65 };
66
67 static struct platform_device scif1_device = {
68 .name = "sh-sci",
69 .id = 1,
70 .dev = {
71 .platform_data = &scif1_platform_data,
72 },
73 };
74
75 /* SCIFA2 */
76 static struct plat_sci_port scif2_platform_data = {
77 .mapbase = 0xe6c60000,
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(0x0c40), evt2irq(0x0c40),
83 evt2irq(0x0c40), evt2irq(0x0c40) },
84 };
85
86 static struct platform_device scif2_device = {
87 .name = "sh-sci",
88 .id = 2,
89 .dev = {
90 .platform_data = &scif2_platform_data,
91 },
92 };
93
94 /* SCIFA3 */
95 static struct plat_sci_port scif3_platform_data = {
96 .mapbase = 0xe6c70000,
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(0x0c60), evt2irq(0x0c60),
102 evt2irq(0x0c60), evt2irq(0x0c60) },
103 };
104
105 static struct platform_device scif3_device = {
106 .name = "sh-sci",
107 .id = 3,
108 .dev = {
109 .platform_data = &scif3_platform_data,
110 },
111 };
112
113 /* SCIFA4 */
114 static struct plat_sci_port scif4_platform_data = {
115 .mapbase = 0xe6c80000,
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(0x0d20), evt2irq(0x0d20),
121 evt2irq(0x0d20), evt2irq(0x0d20) },
122 };
123
124 static struct platform_device scif4_device = {
125 .name = "sh-sci",
126 .id = 4,
127 .dev = {
128 .platform_data = &scif4_platform_data,
129 },
130 };
131
132 /* SCIFA5 */
133 static struct plat_sci_port scif5_platform_data = {
134 .mapbase = 0xe6cb0000,
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(0x0d40), evt2irq(0x0d40),
140 evt2irq(0x0d40), evt2irq(0x0d40) },
141 };
142
143 static struct platform_device scif5_device = {
144 .name = "sh-sci",
145 .id = 5,
146 .dev = {
147 .platform_data = &scif5_platform_data,
148 },
149 };
150
151 /* SCIFB */
152 static struct plat_sci_port scif6_platform_data = {
153 .mapbase = 0xe6c30000,
154 .flags = UPF_BOOT_AUTOCONF,
155 .scscr = SCSCR_RE | SCSCR_TE,
156 .scbrr_algo_id = SCBRR_ALGO_4,
157 .type = PORT_SCIFB,
158 .irqs = { evt2irq(0x0d60), evt2irq(0x0d60),
159 evt2irq(0x0d60), evt2irq(0x0d60) },
160 };
161
162 static struct platform_device scif6_device = {
163 .name = "sh-sci",
164 .id = 6,
165 .dev = {
166 .platform_data = &scif6_platform_data,
167 },
168 };
169
170 /* CMT */
171 static struct sh_timer_config cmt10_platform_data = {
172 .name = "CMT10",
173 .channel_offset = 0x10,
174 .timer_bit = 0,
175 .clockevent_rating = 125,
176 .clocksource_rating = 125,
177 };
178
179 static struct resource cmt10_resources[] = {
180 [0] = {
181 .name = "CMT10",
182 .start = 0xe6138010,
183 .end = 0xe613801b,
184 .flags = IORESOURCE_MEM,
185 },
186 [1] = {
187 .start = evt2irq(0x0b00), /* CMT1_CMT10 */
188 .flags = IORESOURCE_IRQ,
189 },
190 };
191
192 static struct platform_device cmt10_device = {
193 .name = "sh_cmt",
194 .id = 10,
195 .dev = {
196 .platform_data = &cmt10_platform_data,
197 },
198 .resource = cmt10_resources,
199 .num_resources = ARRAY_SIZE(cmt10_resources),
200 };
201
202 /* TMU */
203 static struct sh_timer_config tmu00_platform_data = {
204 .name = "TMU00",
205 .channel_offset = 0x4,
206 .timer_bit = 0,
207 .clockevent_rating = 200,
208 };
209
210 static struct resource tmu00_resources[] = {
211 [0] = {
212 .name = "TMU00",
213 .start = 0xfff60008,
214 .end = 0xfff60013,
215 .flags = IORESOURCE_MEM,
216 },
217 [1] = {
218 .start = intcs_evt2irq(0xe80), /* TMU_TUNI0 */
219 .flags = IORESOURCE_IRQ,
220 },
221 };
222
223 static struct platform_device tmu00_device = {
224 .name = "sh_tmu",
225 .id = 0,
226 .dev = {
227 .platform_data = &tmu00_platform_data,
228 },
229 .resource = tmu00_resources,
230 .num_resources = ARRAY_SIZE(tmu00_resources),
231 };
232
233 static struct sh_timer_config tmu01_platform_data = {
234 .name = "TMU01",
235 .channel_offset = 0x10,
236 .timer_bit = 1,
237 .clocksource_rating = 200,
238 };
239
240 static struct resource tmu01_resources[] = {
241 [0] = {
242 .name = "TMU01",
243 .start = 0xfff60014,
244 .end = 0xfff6001f,
245 .flags = IORESOURCE_MEM,
246 },
247 [1] = {
248 .start = intcs_evt2irq(0xea0), /* TMU_TUNI1 */
249 .flags = IORESOURCE_IRQ,
250 },
251 };
252
253 static struct platform_device tmu01_device = {
254 .name = "sh_tmu",
255 .id = 1,
256 .dev = {
257 .platform_data = &tmu01_platform_data,
258 },
259 .resource = tmu01_resources,
260 .num_resources = ARRAY_SIZE(tmu01_resources),
261 };
262
263 /* I2C */
264 static struct resource iic0_resources[] = {
265 [0] = {
266 .name = "IIC0",
267 .start = 0xFFF20000,
268 .end = 0xFFF20425 - 1,
269 .flags = IORESOURCE_MEM,
270 },
271 [1] = {
272 .start = intcs_evt2irq(0xe00), /* IIC0_ALI0 */
273 .end = intcs_evt2irq(0xe60), /* IIC0_DTEI0 */
274 .flags = IORESOURCE_IRQ,
275 },
276 };
277
278 static struct platform_device iic0_device = {
279 .name = "i2c-sh_mobile",
280 .id = 0, /* "i2c0" clock */
281 .num_resources = ARRAY_SIZE(iic0_resources),
282 .resource = iic0_resources,
283 };
284
285 static struct resource iic1_resources[] = {
286 [0] = {
287 .name = "IIC1",
288 .start = 0xE6C20000,
289 .end = 0xE6C20425 - 1,
290 .flags = IORESOURCE_MEM,
291 },
292 [1] = {
293 .start = evt2irq(0x780), /* IIC1_ALI1 */
294 .end = evt2irq(0x7e0), /* IIC1_DTEI1 */
295 .flags = IORESOURCE_IRQ,
296 },
297 };
298
299 static struct platform_device iic1_device = {
300 .name = "i2c-sh_mobile",
301 .id = 1, /* "i2c1" clock */
302 .num_resources = ARRAY_SIZE(iic1_resources),
303 .resource = iic1_resources,
304 };
305
306 /* DMA */
307 /* Transmit sizes and respective CHCR register values */
308 enum {
309 XMIT_SZ_8BIT = 0,
310 XMIT_SZ_16BIT = 1,
311 XMIT_SZ_32BIT = 2,
312 XMIT_SZ_64BIT = 7,
313 XMIT_SZ_128BIT = 3,
314 XMIT_SZ_256BIT = 4,
315 XMIT_SZ_512BIT = 5,
316 };
317
318 /* log2(size / 8) - used to calculate number of transfers */
319 #define TS_SHIFT { \
320 [XMIT_SZ_8BIT] = 0, \
321 [XMIT_SZ_16BIT] = 1, \
322 [XMIT_SZ_32BIT] = 2, \
323 [XMIT_SZ_64BIT] = 3, \
324 [XMIT_SZ_128BIT] = 4, \
325 [XMIT_SZ_256BIT] = 5, \
326 [XMIT_SZ_512BIT] = 6, \
327 }
328
329 #define TS_INDEX2VAL(i) ((((i) & 3) << 3) | \
330 (((i) & 0xc) << (20 - 2)))
331
332 static const struct sh_dmae_slave_config sh7372_dmae_slaves[] = {
333 {
334 .slave_id = SHDMA_SLAVE_SCIF0_TX,
335 .addr = 0xe6c40020,
336 .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT),
337 .mid_rid = 0x21,
338 }, {
339 .slave_id = SHDMA_SLAVE_SCIF0_RX,
340 .addr = 0xe6c40024,
341 .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT),
342 .mid_rid = 0x22,
343 }, {
344 .slave_id = SHDMA_SLAVE_SCIF1_TX,
345 .addr = 0xe6c50020,
346 .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT),
347 .mid_rid = 0x25,
348 }, {
349 .slave_id = SHDMA_SLAVE_SCIF1_RX,
350 .addr = 0xe6c50024,
351 .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT),
352 .mid_rid = 0x26,
353 }, {
354 .slave_id = SHDMA_SLAVE_SCIF2_TX,
355 .addr = 0xe6c60020,
356 .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT),
357 .mid_rid = 0x29,
358 }, {
359 .slave_id = SHDMA_SLAVE_SCIF2_RX,
360 .addr = 0xe6c60024,
361 .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT),
362 .mid_rid = 0x2a,
363 }, {
364 .slave_id = SHDMA_SLAVE_SCIF3_TX,
365 .addr = 0xe6c70020,
366 .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT),
367 .mid_rid = 0x2d,
368 }, {
369 .slave_id = SHDMA_SLAVE_SCIF3_RX,
370 .addr = 0xe6c70024,
371 .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT),
372 .mid_rid = 0x2e,
373 }, {
374 .slave_id = SHDMA_SLAVE_SCIF4_TX,
375 .addr = 0xe6c80020,
376 .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT),
377 .mid_rid = 0x39,
378 }, {
379 .slave_id = SHDMA_SLAVE_SCIF4_RX,
380 .addr = 0xe6c80024,
381 .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT),
382 .mid_rid = 0x3a,
383 }, {
384 .slave_id = SHDMA_SLAVE_SCIF5_TX,
385 .addr = 0xe6cb0020,
386 .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT),
387 .mid_rid = 0x35,
388 }, {
389 .slave_id = SHDMA_SLAVE_SCIF5_RX,
390 .addr = 0xe6cb0024,
391 .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT),
392 .mid_rid = 0x36,
393 }, {
394 .slave_id = SHDMA_SLAVE_SCIF6_TX,
395 .addr = 0xe6c30040,
396 .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT),
397 .mid_rid = 0x3d,
398 }, {
399 .slave_id = SHDMA_SLAVE_SCIF6_RX,
400 .addr = 0xe6c30060,
401 .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT),
402 .mid_rid = 0x3e,
403 }, {
404 .slave_id = SHDMA_SLAVE_SDHI0_TX,
405 .addr = 0xe6850030,
406 .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_16BIT),
407 .mid_rid = 0xc1,
408 }, {
409 .slave_id = SHDMA_SLAVE_SDHI0_RX,
410 .addr = 0xe6850030,
411 .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_16BIT),
412 .mid_rid = 0xc2,
413 }, {
414 .slave_id = SHDMA_SLAVE_SDHI1_TX,
415 .addr = 0xe6860030,
416 .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_16BIT),
417 .mid_rid = 0xc9,
418 }, {
419 .slave_id = SHDMA_SLAVE_SDHI1_RX,
420 .addr = 0xe6860030,
421 .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_16BIT),
422 .mid_rid = 0xca,
423 }, {
424 .slave_id = SHDMA_SLAVE_SDHI2_TX,
425 .addr = 0xe6870030,
426 .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_16BIT),
427 .mid_rid = 0xcd,
428 }, {
429 .slave_id = SHDMA_SLAVE_SDHI2_RX,
430 .addr = 0xe6870030,
431 .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_16BIT),
432 .mid_rid = 0xce,
433 }, {
434 .slave_id = SHDMA_SLAVE_MMCIF_TX,
435 .addr = 0xe6bd0034,
436 .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_32BIT),
437 .mid_rid = 0xd1,
438 }, {
439 .slave_id = SHDMA_SLAVE_MMCIF_RX,
440 .addr = 0xe6bd0034,
441 .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_32BIT),
442 .mid_rid = 0xd2,
443 },
444 };
445
446 static const struct sh_dmae_channel sh7372_dmae_channels[] = {
447 {
448 .offset = 0,
449 .dmars = 0,
450 .dmars_bit = 0,
451 }, {
452 .offset = 0x10,
453 .dmars = 0,
454 .dmars_bit = 8,
455 }, {
456 .offset = 0x20,
457 .dmars = 4,
458 .dmars_bit = 0,
459 }, {
460 .offset = 0x30,
461 .dmars = 4,
462 .dmars_bit = 8,
463 }, {
464 .offset = 0x50,
465 .dmars = 8,
466 .dmars_bit = 0,
467 }, {
468 .offset = 0x60,
469 .dmars = 8,
470 .dmars_bit = 8,
471 }
472 };
473
474 static const unsigned int ts_shift[] = TS_SHIFT;
475
476 static struct sh_dmae_pdata dma_platform_data = {
477 .slave = sh7372_dmae_slaves,
478 .slave_num = ARRAY_SIZE(sh7372_dmae_slaves),
479 .channel = sh7372_dmae_channels,
480 .channel_num = ARRAY_SIZE(sh7372_dmae_channels),
481 .ts_low_shift = 3,
482 .ts_low_mask = 0x18,
483 .ts_high_shift = (20 - 2), /* 2 bits for shifted low TS */
484 .ts_high_mask = 0x00300000,
485 .ts_shift = ts_shift,
486 .ts_shift_num = ARRAY_SIZE(ts_shift),
487 .dmaor_init = DMAOR_DME,
488 };
489
490 /* Resource order important! */
491 static struct resource sh7372_dmae0_resources[] = {
492 {
493 /* Channel registers and DMAOR */
494 .start = 0xfe008020,
495 .end = 0xfe00808f,
496 .flags = IORESOURCE_MEM,
497 },
498 {
499 /* DMARSx */
500 .start = 0xfe009000,
501 .end = 0xfe00900b,
502 .flags = IORESOURCE_MEM,
503 },
504 {
505 /* DMA error IRQ */
506 .start = evt2irq(0x20c0),
507 .end = evt2irq(0x20c0),
508 .flags = IORESOURCE_IRQ,
509 },
510 {
511 /* IRQ for channels 0-5 */
512 .start = evt2irq(0x2000),
513 .end = evt2irq(0x20a0),
514 .flags = IORESOURCE_IRQ,
515 },
516 };
517
518 /* Resource order important! */
519 static struct resource sh7372_dmae1_resources[] = {
520 {
521 /* Channel registers and DMAOR */
522 .start = 0xfe018020,
523 .end = 0xfe01808f,
524 .flags = IORESOURCE_MEM,
525 },
526 {
527 /* DMARSx */
528 .start = 0xfe019000,
529 .end = 0xfe01900b,
530 .flags = IORESOURCE_MEM,
531 },
532 {
533 /* DMA error IRQ */
534 .start = evt2irq(0x21c0),
535 .end = evt2irq(0x21c0),
536 .flags = IORESOURCE_IRQ,
537 },
538 {
539 /* IRQ for channels 0-5 */
540 .start = evt2irq(0x2100),
541 .end = evt2irq(0x21a0),
542 .flags = IORESOURCE_IRQ,
543 },
544 };
545
546 /* Resource order important! */
547 static struct resource sh7372_dmae2_resources[] = {
548 {
549 /* Channel registers and DMAOR */
550 .start = 0xfe028020,
551 .end = 0xfe02808f,
552 .flags = IORESOURCE_MEM,
553 },
554 {
555 /* DMARSx */
556 .start = 0xfe029000,
557 .end = 0xfe02900b,
558 .flags = IORESOURCE_MEM,
559 },
560 {
561 /* DMA error IRQ */
562 .start = evt2irq(0x22c0),
563 .end = evt2irq(0x22c0),
564 .flags = IORESOURCE_IRQ,
565 },
566 {
567 /* IRQ for channels 0-5 */
568 .start = evt2irq(0x2200),
569 .end = evt2irq(0x22a0),
570 .flags = IORESOURCE_IRQ,
571 },
572 };
573
574 static struct platform_device dma0_device = {
575 .name = "sh-dma-engine",
576 .id = 0,
577 .resource = sh7372_dmae0_resources,
578 .num_resources = ARRAY_SIZE(sh7372_dmae0_resources),
579 .dev = {
580 .platform_data = &dma_platform_data,
581 },
582 };
583
584 static struct platform_device dma1_device = {
585 .name = "sh-dma-engine",
586 .id = 1,
587 .resource = sh7372_dmae1_resources,
588 .num_resources = ARRAY_SIZE(sh7372_dmae1_resources),
589 .dev = {
590 .platform_data = &dma_platform_data,
591 },
592 };
593
594 static struct platform_device dma2_device = {
595 .name = "sh-dma-engine",
596 .id = 2,
597 .resource = sh7372_dmae2_resources,
598 .num_resources = ARRAY_SIZE(sh7372_dmae2_resources),
599 .dev = {
600 .platform_data = &dma_platform_data,
601 },
602 };
603
604 static struct platform_device *sh7372_early_devices[] __initdata = {
605 &scif0_device,
606 &scif1_device,
607 &scif2_device,
608 &scif3_device,
609 &scif4_device,
610 &scif5_device,
611 &scif6_device,
612 &cmt10_device,
613 &tmu00_device,
614 &tmu01_device,
615 };
616
617 static struct platform_device *sh7372_late_devices[] __initdata = {
618 &iic0_device,
619 &iic1_device,
620 &dma0_device,
621 &dma1_device,
622 &dma2_device,
623 };
624
625 void __init sh7372_add_standard_devices(void)
626 {
627 platform_add_devices(sh7372_early_devices,
628 ARRAY_SIZE(sh7372_early_devices));
629
630 platform_add_devices(sh7372_late_devices,
631 ARRAY_SIZE(sh7372_late_devices));
632 }
633
634 void __init sh7372_add_early_devices(void)
635 {
636 early_platform_add_devices(sh7372_early_devices,
637 ARRAY_SIZE(sh7372_early_devices));
638 }