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[~andy/linux] / arch / arm / mach-shmobile / setup-r8a7740.c
1 /*
2  * R8A7740 processor support
3  *
4  * Copyright (C) 2011  Renesas Solutions Corp.
5  * Copyright (C) 2011  Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
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/delay.h>
21 #include <linux/dma-mapping.h>
22 #include <linux/kernel.h>
23 #include <linux/init.h>
24 #include <linux/io.h>
25 #include <linux/irqchip.h>
26 #include <linux/irqchip/arm-gic.h>
27 #include <linux/platform_data/irq-renesas-intc-irqpin.h>
28 #include <linux/platform_device.h>
29 #include <linux/of_platform.h>
30 #include <linux/serial_sci.h>
31 #include <linux/sh_dma.h>
32 #include <linux/sh_timer.h>
33 #include <linux/platform_data/sh_ipmmu.h>
34 #include <mach/dma-register.h>
35 #include <mach/r8a7740.h>
36 #include <mach/pm-rmobile.h>
37 #include <mach/common.h>
38 #include <mach/irqs.h>
39 #include <asm/mach-types.h>
40 #include <asm/mach/map.h>
41 #include <asm/mach/arch.h>
42 #include <asm/mach/time.h>
43
44 static struct map_desc r8a7740_io_desc[] __initdata = {
45          /*
46           * for CPGA/INTC/PFC
47           * 0xe6000000-0xefffffff -> 0xe6000000-0xefffffff
48           */
49         {
50                 .virtual        = 0xe6000000,
51                 .pfn            = __phys_to_pfn(0xe6000000),
52                 .length         = 160 << 20,
53                 .type           = MT_DEVICE_NONSHARED
54         },
55 #ifdef CONFIG_CACHE_L2X0
56         /*
57          * for l2x0_init()
58          * 0xf0100000-0xf0101000 -> 0xf0002000-0xf0003000
59          */
60         {
61                 .virtual        = 0xf0002000,
62                 .pfn            = __phys_to_pfn(0xf0100000),
63                 .length         = PAGE_SIZE,
64                 .type           = MT_DEVICE_NONSHARED
65         },
66 #endif
67 };
68
69 void __init r8a7740_map_io(void)
70 {
71         iotable_init(r8a7740_io_desc, ARRAY_SIZE(r8a7740_io_desc));
72 }
73
74 /* PFC */
75 static const struct resource pfc_resources[] = {
76         DEFINE_RES_MEM(0xe6050000, 0x8000),
77         DEFINE_RES_MEM(0xe605800c, 0x0020),
78 };
79
80 void __init r8a7740_pinmux_init(void)
81 {
82         platform_device_register_simple("pfc-r8a7740", -1, pfc_resources,
83                                         ARRAY_SIZE(pfc_resources));
84 }
85
86 static struct renesas_intc_irqpin_config irqpin0_platform_data = {
87         .irq_base = irq_pin(0), /* IRQ0 -> IRQ7 */
88 };
89
90 static struct resource irqpin0_resources[] = {
91         DEFINE_RES_MEM(0xe6900000, 4), /* ICR1A */
92         DEFINE_RES_MEM(0xe6900010, 4), /* INTPRI00A */
93         DEFINE_RES_MEM(0xe6900020, 1), /* INTREQ00A */
94         DEFINE_RES_MEM(0xe6900040, 1), /* INTMSK00A */
95         DEFINE_RES_MEM(0xe6900060, 1), /* INTMSKCLR00A */
96         DEFINE_RES_IRQ(gic_spi(149)), /* IRQ0 */
97         DEFINE_RES_IRQ(gic_spi(149)), /* IRQ1 */
98         DEFINE_RES_IRQ(gic_spi(149)), /* IRQ2 */
99         DEFINE_RES_IRQ(gic_spi(149)), /* IRQ3 */
100         DEFINE_RES_IRQ(gic_spi(149)), /* IRQ4 */
101         DEFINE_RES_IRQ(gic_spi(149)), /* IRQ5 */
102         DEFINE_RES_IRQ(gic_spi(149)), /* IRQ6 */
103         DEFINE_RES_IRQ(gic_spi(149)), /* IRQ7 */
104 };
105
106 static struct platform_device irqpin0_device = {
107         .name           = "renesas_intc_irqpin",
108         .id             = 0,
109         .resource       = irqpin0_resources,
110         .num_resources  = ARRAY_SIZE(irqpin0_resources),
111         .dev            = {
112                 .platform_data  = &irqpin0_platform_data,
113         },
114 };
115
116 static struct renesas_intc_irqpin_config irqpin1_platform_data = {
117         .irq_base = irq_pin(8), /* IRQ8 -> IRQ15 */
118 };
119
120 static struct resource irqpin1_resources[] = {
121         DEFINE_RES_MEM(0xe6900004, 4), /* ICR2A */
122         DEFINE_RES_MEM(0xe6900014, 4), /* INTPRI10A */
123         DEFINE_RES_MEM(0xe6900024, 1), /* INTREQ10A */
124         DEFINE_RES_MEM(0xe6900044, 1), /* INTMSK10A */
125         DEFINE_RES_MEM(0xe6900064, 1), /* INTMSKCLR10A */
126         DEFINE_RES_IRQ(gic_spi(149)), /* IRQ8 */
127         DEFINE_RES_IRQ(gic_spi(149)), /* IRQ9 */
128         DEFINE_RES_IRQ(gic_spi(149)), /* IRQ10 */
129         DEFINE_RES_IRQ(gic_spi(149)), /* IRQ11 */
130         DEFINE_RES_IRQ(gic_spi(149)), /* IRQ12 */
131         DEFINE_RES_IRQ(gic_spi(149)), /* IRQ13 */
132         DEFINE_RES_IRQ(gic_spi(149)), /* IRQ14 */
133         DEFINE_RES_IRQ(gic_spi(149)), /* IRQ15 */
134 };
135
136 static struct platform_device irqpin1_device = {
137         .name           = "renesas_intc_irqpin",
138         .id             = 1,
139         .resource       = irqpin1_resources,
140         .num_resources  = ARRAY_SIZE(irqpin1_resources),
141         .dev            = {
142                 .platform_data  = &irqpin1_platform_data,
143         },
144 };
145
146 static struct renesas_intc_irqpin_config irqpin2_platform_data = {
147         .irq_base = irq_pin(16), /* IRQ16 -> IRQ23 */
148 };
149
150 static struct resource irqpin2_resources[] = {
151         DEFINE_RES_MEM(0xe6900008, 4), /* ICR3A */
152         DEFINE_RES_MEM(0xe6900018, 4), /* INTPRI30A */
153         DEFINE_RES_MEM(0xe6900028, 1), /* INTREQ30A */
154         DEFINE_RES_MEM(0xe6900048, 1), /* INTMSK30A */
155         DEFINE_RES_MEM(0xe6900068, 1), /* INTMSKCLR30A */
156         DEFINE_RES_IRQ(gic_spi(149)), /* IRQ16 */
157         DEFINE_RES_IRQ(gic_spi(149)), /* IRQ17 */
158         DEFINE_RES_IRQ(gic_spi(149)), /* IRQ18 */
159         DEFINE_RES_IRQ(gic_spi(149)), /* IRQ19 */
160         DEFINE_RES_IRQ(gic_spi(149)), /* IRQ20 */
161         DEFINE_RES_IRQ(gic_spi(149)), /* IRQ21 */
162         DEFINE_RES_IRQ(gic_spi(149)), /* IRQ22 */
163         DEFINE_RES_IRQ(gic_spi(149)), /* IRQ23 */
164 };
165
166 static struct platform_device irqpin2_device = {
167         .name           = "renesas_intc_irqpin",
168         .id             = 2,
169         .resource       = irqpin2_resources,
170         .num_resources  = ARRAY_SIZE(irqpin2_resources),
171         .dev            = {
172                 .platform_data  = &irqpin2_platform_data,
173         },
174 };
175
176 static struct renesas_intc_irqpin_config irqpin3_platform_data = {
177         .irq_base = irq_pin(24), /* IRQ24 -> IRQ31 */
178 };
179
180 static struct resource irqpin3_resources[] = {
181         DEFINE_RES_MEM(0xe690000c, 4), /* ICR3A */
182         DEFINE_RES_MEM(0xe690001c, 4), /* INTPRI30A */
183         DEFINE_RES_MEM(0xe690002c, 1), /* INTREQ30A */
184         DEFINE_RES_MEM(0xe690004c, 1), /* INTMSK30A */
185         DEFINE_RES_MEM(0xe690006c, 1), /* INTMSKCLR30A */
186         DEFINE_RES_IRQ(gic_spi(149)), /* IRQ24 */
187         DEFINE_RES_IRQ(gic_spi(149)), /* IRQ25 */
188         DEFINE_RES_IRQ(gic_spi(149)), /* IRQ26 */
189         DEFINE_RES_IRQ(gic_spi(149)), /* IRQ27 */
190         DEFINE_RES_IRQ(gic_spi(149)), /* IRQ28 */
191         DEFINE_RES_IRQ(gic_spi(149)), /* IRQ29 */
192         DEFINE_RES_IRQ(gic_spi(149)), /* IRQ30 */
193         DEFINE_RES_IRQ(gic_spi(149)), /* IRQ31 */
194 };
195
196 static struct platform_device irqpin3_device = {
197         .name           = "renesas_intc_irqpin",
198         .id             = 3,
199         .resource       = irqpin3_resources,
200         .num_resources  = ARRAY_SIZE(irqpin3_resources),
201         .dev            = {
202                 .platform_data  = &irqpin3_platform_data,
203         },
204 };
205
206 /* SCIFA0 */
207 static struct plat_sci_port scif0_platform_data = {
208         .mapbase        = 0xe6c40000,
209         .flags          = UPF_BOOT_AUTOCONF,
210         .scscr          = SCSCR_RE | SCSCR_TE,
211         .scbrr_algo_id  = SCBRR_ALGO_4,
212         .type           = PORT_SCIFA,
213         .irqs           = SCIx_IRQ_MUXED(gic_spi(100)),
214 };
215
216 static struct platform_device scif0_device = {
217         .name           = "sh-sci",
218         .id             = 0,
219         .dev            = {
220                 .platform_data  = &scif0_platform_data,
221         },
222 };
223
224 /* SCIFA1 */
225 static struct plat_sci_port scif1_platform_data = {
226         .mapbase        = 0xe6c50000,
227         .flags          = UPF_BOOT_AUTOCONF,
228         .scscr          = SCSCR_RE | SCSCR_TE,
229         .scbrr_algo_id  = SCBRR_ALGO_4,
230         .type           = PORT_SCIFA,
231         .irqs           = SCIx_IRQ_MUXED(gic_spi(101)),
232 };
233
234 static struct platform_device scif1_device = {
235         .name           = "sh-sci",
236         .id             = 1,
237         .dev            = {
238                 .platform_data  = &scif1_platform_data,
239         },
240 };
241
242 /* SCIFA2 */
243 static struct plat_sci_port scif2_platform_data = {
244         .mapbase        = 0xe6c60000,
245         .flags          = UPF_BOOT_AUTOCONF,
246         .scscr          = SCSCR_RE | SCSCR_TE,
247         .scbrr_algo_id  = SCBRR_ALGO_4,
248         .type           = PORT_SCIFA,
249         .irqs           = SCIx_IRQ_MUXED(gic_spi(102)),
250 };
251
252 static struct platform_device scif2_device = {
253         .name           = "sh-sci",
254         .id             = 2,
255         .dev            = {
256                 .platform_data  = &scif2_platform_data,
257         },
258 };
259
260 /* SCIFA3 */
261 static struct plat_sci_port scif3_platform_data = {
262         .mapbase        = 0xe6c70000,
263         .flags          = UPF_BOOT_AUTOCONF,
264         .scscr          = SCSCR_RE | SCSCR_TE,
265         .scbrr_algo_id  = SCBRR_ALGO_4,
266         .type           = PORT_SCIFA,
267         .irqs           = SCIx_IRQ_MUXED(gic_spi(103)),
268 };
269
270 static struct platform_device scif3_device = {
271         .name           = "sh-sci",
272         .id             = 3,
273         .dev            = {
274                 .platform_data  = &scif3_platform_data,
275         },
276 };
277
278 /* SCIFA4 */
279 static struct plat_sci_port scif4_platform_data = {
280         .mapbase        = 0xe6c80000,
281         .flags          = UPF_BOOT_AUTOCONF,
282         .scscr          = SCSCR_RE | SCSCR_TE,
283         .scbrr_algo_id  = SCBRR_ALGO_4,
284         .type           = PORT_SCIFA,
285         .irqs           = SCIx_IRQ_MUXED(gic_spi(104)),
286 };
287
288 static struct platform_device scif4_device = {
289         .name           = "sh-sci",
290         .id             = 4,
291         .dev            = {
292                 .platform_data  = &scif4_platform_data,
293         },
294 };
295
296 /* SCIFA5 */
297 static struct plat_sci_port scif5_platform_data = {
298         .mapbase        = 0xe6cb0000,
299         .flags          = UPF_BOOT_AUTOCONF,
300         .scscr          = SCSCR_RE | SCSCR_TE,
301         .scbrr_algo_id  = SCBRR_ALGO_4,
302         .type           = PORT_SCIFA,
303         .irqs           = SCIx_IRQ_MUXED(gic_spi(105)),
304 };
305
306 static struct platform_device scif5_device = {
307         .name           = "sh-sci",
308         .id             = 5,
309         .dev            = {
310                 .platform_data  = &scif5_platform_data,
311         },
312 };
313
314 /* SCIFA6 */
315 static struct plat_sci_port scif6_platform_data = {
316         .mapbase        = 0xe6cc0000,
317         .flags          = UPF_BOOT_AUTOCONF,
318         .scscr          = SCSCR_RE | SCSCR_TE,
319         .scbrr_algo_id  = SCBRR_ALGO_4,
320         .type           = PORT_SCIFA,
321         .irqs           = SCIx_IRQ_MUXED(gic_spi(106)),
322 };
323
324 static struct platform_device scif6_device = {
325         .name           = "sh-sci",
326         .id             = 6,
327         .dev            = {
328                 .platform_data  = &scif6_platform_data,
329         },
330 };
331
332 /* SCIFA7 */
333 static struct plat_sci_port scif7_platform_data = {
334         .mapbase        = 0xe6cd0000,
335         .flags          = UPF_BOOT_AUTOCONF,
336         .scscr          = SCSCR_RE | SCSCR_TE,
337         .scbrr_algo_id  = SCBRR_ALGO_4,
338         .type           = PORT_SCIFA,
339         .irqs           = SCIx_IRQ_MUXED(gic_spi(107)),
340 };
341
342 static struct platform_device scif7_device = {
343         .name           = "sh-sci",
344         .id             = 7,
345         .dev            = {
346                 .platform_data  = &scif7_platform_data,
347         },
348 };
349
350 /* SCIFB */
351 static struct plat_sci_port scifb_platform_data = {
352         .mapbase        = 0xe6c30000,
353         .flags          = UPF_BOOT_AUTOCONF,
354         .scscr          = SCSCR_RE | SCSCR_TE,
355         .scbrr_algo_id  = SCBRR_ALGO_4,
356         .type           = PORT_SCIFB,
357         .irqs           = SCIx_IRQ_MUXED(gic_spi(108)),
358 };
359
360 static struct platform_device scifb_device = {
361         .name           = "sh-sci",
362         .id             = 8,
363         .dev            = {
364                 .platform_data  = &scifb_platform_data,
365         },
366 };
367
368 /* CMT */
369 static struct sh_timer_config cmt10_platform_data = {
370         .name = "CMT10",
371         .channel_offset = 0x10,
372         .timer_bit = 0,
373         .clockevent_rating = 125,
374         .clocksource_rating = 125,
375 };
376
377 static struct resource cmt10_resources[] = {
378         [0] = {
379                 .name   = "CMT10",
380                 .start  = 0xe6138010,
381                 .end    = 0xe613801b,
382                 .flags  = IORESOURCE_MEM,
383         },
384         [1] = {
385                 .start  = gic_spi(58),
386                 .flags  = IORESOURCE_IRQ,
387         },
388 };
389
390 static struct platform_device cmt10_device = {
391         .name           = "sh_cmt",
392         .id             = 10,
393         .dev = {
394                 .platform_data  = &cmt10_platform_data,
395         },
396         .resource       = cmt10_resources,
397         .num_resources  = ARRAY_SIZE(cmt10_resources),
398 };
399
400 /* TMU */
401 static struct sh_timer_config tmu00_platform_data = {
402         .name = "TMU00",
403         .channel_offset = 0x4,
404         .timer_bit = 0,
405         .clockevent_rating = 200,
406 };
407
408 static struct resource tmu00_resources[] = {
409         [0] = {
410                 .name   = "TMU00",
411                 .start  = 0xfff80008,
412                 .end    = 0xfff80014 - 1,
413                 .flags  = IORESOURCE_MEM,
414         },
415         [1] = {
416                 .start  = gic_spi(198),
417                 .flags  = IORESOURCE_IRQ,
418         },
419 };
420
421 static struct platform_device tmu00_device = {
422         .name           = "sh_tmu",
423         .id             = 0,
424         .dev = {
425                 .platform_data  = &tmu00_platform_data,
426         },
427         .resource       = tmu00_resources,
428         .num_resources  = ARRAY_SIZE(tmu00_resources),
429 };
430
431 static struct sh_timer_config tmu01_platform_data = {
432         .name = "TMU01",
433         .channel_offset = 0x10,
434         .timer_bit = 1,
435         .clocksource_rating = 200,
436 };
437
438 static struct resource tmu01_resources[] = {
439         [0] = {
440                 .name   = "TMU01",
441                 .start  = 0xfff80014,
442                 .end    = 0xfff80020 - 1,
443                 .flags  = IORESOURCE_MEM,
444         },
445         [1] = {
446                 .start  = gic_spi(199),
447                 .flags  = IORESOURCE_IRQ,
448         },
449 };
450
451 static struct platform_device tmu01_device = {
452         .name           = "sh_tmu",
453         .id             = 1,
454         .dev = {
455                 .platform_data  = &tmu01_platform_data,
456         },
457         .resource       = tmu01_resources,
458         .num_resources  = ARRAY_SIZE(tmu01_resources),
459 };
460
461 static struct sh_timer_config tmu02_platform_data = {
462         .name = "TMU02",
463         .channel_offset = 0x1C,
464         .timer_bit = 2,
465         .clocksource_rating = 200,
466 };
467
468 static struct resource tmu02_resources[] = {
469         [0] = {
470                 .name   = "TMU02",
471                 .start  = 0xfff80020,
472                 .end    = 0xfff8002C - 1,
473                 .flags  = IORESOURCE_MEM,
474         },
475         [1] = {
476                 .start  = gic_spi(200),
477                 .flags  = IORESOURCE_IRQ,
478         },
479 };
480
481 static struct platform_device tmu02_device = {
482         .name           = "sh_tmu",
483         .id             = 2,
484         .dev = {
485                 .platform_data  = &tmu02_platform_data,
486         },
487         .resource       = tmu02_resources,
488         .num_resources  = ARRAY_SIZE(tmu02_resources),
489 };
490
491 /* IPMMUI (an IPMMU module for ICB/LMB) */
492 static struct resource ipmmu_resources[] = {
493         [0] = {
494                 .name   = "IPMMUI",
495                 .start  = 0xfe951000,
496                 .end    = 0xfe9510ff,
497                 .flags  = IORESOURCE_MEM,
498         },
499 };
500
501 static const char * const ipmmu_dev_names[] = {
502         "sh_mobile_lcdc_fb.0",
503         "sh_mobile_lcdc_fb.1",
504         "sh_mobile_ceu.0",
505 };
506
507 static struct shmobile_ipmmu_platform_data ipmmu_platform_data = {
508         .dev_names = ipmmu_dev_names,
509         .num_dev_names = ARRAY_SIZE(ipmmu_dev_names),
510 };
511
512 static struct platform_device ipmmu_device = {
513         .name           = "ipmmu",
514         .id             = -1,
515         .dev = {
516                 .platform_data = &ipmmu_platform_data,
517         },
518         .resource       = ipmmu_resources,
519         .num_resources  = ARRAY_SIZE(ipmmu_resources),
520 };
521
522 static struct platform_device *r8a7740_devices_dt[] __initdata = {
523         &scif0_device,
524         &scif1_device,
525         &scif2_device,
526         &scif3_device,
527         &scif4_device,
528         &scif5_device,
529         &scif6_device,
530         &scif7_device,
531         &scifb_device,
532         &cmt10_device,
533 };
534
535 static struct platform_device *r8a7740_early_devices[] __initdata = {
536         &irqpin0_device,
537         &irqpin1_device,
538         &irqpin2_device,
539         &irqpin3_device,
540         &tmu00_device,
541         &tmu01_device,
542         &tmu02_device,
543         &ipmmu_device,
544 };
545
546 /* DMA */
547 static const struct sh_dmae_slave_config r8a7740_dmae_slaves[] = {
548         {
549                 .slave_id       = SHDMA_SLAVE_SDHI0_TX,
550                 .addr           = 0xe6850030,
551                 .chcr           = CHCR_TX(XMIT_SZ_16BIT),
552                 .mid_rid        = 0xc1,
553         }, {
554                 .slave_id       = SHDMA_SLAVE_SDHI0_RX,
555                 .addr           = 0xe6850030,
556                 .chcr           = CHCR_RX(XMIT_SZ_16BIT),
557                 .mid_rid        = 0xc2,
558         }, {
559                 .slave_id       = SHDMA_SLAVE_SDHI1_TX,
560                 .addr           = 0xe6860030,
561                 .chcr           = CHCR_TX(XMIT_SZ_16BIT),
562                 .mid_rid        = 0xc9,
563         }, {
564                 .slave_id       = SHDMA_SLAVE_SDHI1_RX,
565                 .addr           = 0xe6860030,
566                 .chcr           = CHCR_RX(XMIT_SZ_16BIT),
567                 .mid_rid        = 0xca,
568         }, {
569                 .slave_id       = SHDMA_SLAVE_SDHI2_TX,
570                 .addr           = 0xe6870030,
571                 .chcr           = CHCR_TX(XMIT_SZ_16BIT),
572                 .mid_rid        = 0xcd,
573         }, {
574                 .slave_id       = SHDMA_SLAVE_SDHI2_RX,
575                 .addr           = 0xe6870030,
576                 .chcr           = CHCR_RX(XMIT_SZ_16BIT),
577                 .mid_rid        = 0xce,
578         }, {
579                 .slave_id       = SHDMA_SLAVE_FSIA_TX,
580                 .addr           = 0xfe1f0024,
581                 .chcr           = CHCR_TX(XMIT_SZ_32BIT),
582                 .mid_rid        = 0xb1,
583         }, {
584                 .slave_id       = SHDMA_SLAVE_FSIA_RX,
585                 .addr           = 0xfe1f0020,
586                 .chcr           = CHCR_RX(XMIT_SZ_32BIT),
587                 .mid_rid        = 0xb2,
588         }, {
589                 .slave_id       = SHDMA_SLAVE_FSIB_TX,
590                 .addr           = 0xfe1f0064,
591                 .chcr           = CHCR_TX(XMIT_SZ_32BIT),
592                 .mid_rid        = 0xb5,
593         }, {
594                 .slave_id       = SHDMA_SLAVE_MMCIF_TX,
595                 .addr           = 0xe6bd0034,
596                 .chcr           = CHCR_TX(XMIT_SZ_32BIT),
597                 .mid_rid        = 0xd1,
598         }, {
599                 .slave_id       = SHDMA_SLAVE_MMCIF_RX,
600                 .addr           = 0xe6bd0034,
601                 .chcr           = CHCR_RX(XMIT_SZ_32BIT),
602                 .mid_rid        = 0xd2,
603         },
604 };
605
606 #define DMA_CHANNEL(a, b, c)                    \
607 {                                               \
608         .offset         = a,                    \
609         .dmars          = b,                    \
610         .dmars_bit      = c,                    \
611         .chclr_offset   = (0x220 - 0x20) + a    \
612 }
613
614 static const struct sh_dmae_channel r8a7740_dmae_channels[] = {
615         DMA_CHANNEL(0x00, 0, 0),
616         DMA_CHANNEL(0x10, 0, 8),
617         DMA_CHANNEL(0x20, 4, 0),
618         DMA_CHANNEL(0x30, 4, 8),
619         DMA_CHANNEL(0x50, 8, 0),
620         DMA_CHANNEL(0x60, 8, 8),
621 };
622
623 static struct sh_dmae_pdata dma_platform_data = {
624         .slave          = r8a7740_dmae_slaves,
625         .slave_num      = ARRAY_SIZE(r8a7740_dmae_slaves),
626         .channel        = r8a7740_dmae_channels,
627         .channel_num    = ARRAY_SIZE(r8a7740_dmae_channels),
628         .ts_low_shift   = TS_LOW_SHIFT,
629         .ts_low_mask    = TS_LOW_BIT << TS_LOW_SHIFT,
630         .ts_high_shift  = TS_HI_SHIFT,
631         .ts_high_mask   = TS_HI_BIT << TS_HI_SHIFT,
632         .ts_shift       = dma_ts_shift,
633         .ts_shift_num   = ARRAY_SIZE(dma_ts_shift),
634         .dmaor_init     = DMAOR_DME,
635         .chclr_present  = 1,
636 };
637
638 /* Resource order important! */
639 static struct resource r8a7740_dmae0_resources[] = {
640         {
641                 /* Channel registers and DMAOR */
642                 .start  = 0xfe008020,
643                 .end    = 0xfe00828f,
644                 .flags  = IORESOURCE_MEM,
645         },
646         {
647                 /* DMARSx */
648                 .start  = 0xfe009000,
649                 .end    = 0xfe00900b,
650                 .flags  = IORESOURCE_MEM,
651         },
652         {
653                 .name   = "error_irq",
654                 .start  = gic_spi(34),
655                 .end    = gic_spi(34),
656                 .flags  = IORESOURCE_IRQ,
657         },
658         {
659                 /* IRQ for channels 0-5 */
660                 .start  = gic_spi(28),
661                 .end    = gic_spi(33),
662                 .flags  = IORESOURCE_IRQ,
663         },
664 };
665
666 /* Resource order important! */
667 static struct resource r8a7740_dmae1_resources[] = {
668         {
669                 /* Channel registers and DMAOR */
670                 .start  = 0xfe018020,
671                 .end    = 0xfe01828f,
672                 .flags  = IORESOURCE_MEM,
673         },
674         {
675                 /* DMARSx */
676                 .start  = 0xfe019000,
677                 .end    = 0xfe01900b,
678                 .flags  = IORESOURCE_MEM,
679         },
680         {
681                 .name   = "error_irq",
682                 .start  = gic_spi(41),
683                 .end    = gic_spi(41),
684                 .flags  = IORESOURCE_IRQ,
685         },
686         {
687                 /* IRQ for channels 0-5 */
688                 .start  = gic_spi(35),
689                 .end    = gic_spi(40),
690                 .flags  = IORESOURCE_IRQ,
691         },
692 };
693
694 /* Resource order important! */
695 static struct resource r8a7740_dmae2_resources[] = {
696         {
697                 /* Channel registers and DMAOR */
698                 .start  = 0xfe028020,
699                 .end    = 0xfe02828f,
700                 .flags  = IORESOURCE_MEM,
701         },
702         {
703                 /* DMARSx */
704                 .start  = 0xfe029000,
705                 .end    = 0xfe02900b,
706                 .flags  = IORESOURCE_MEM,
707         },
708         {
709                 .name   = "error_irq",
710                 .start  = gic_spi(48),
711                 .end    = gic_spi(48),
712                 .flags  = IORESOURCE_IRQ,
713         },
714         {
715                 /* IRQ for channels 0-5 */
716                 .start  = gic_spi(42),
717                 .end    = gic_spi(47),
718                 .flags  = IORESOURCE_IRQ,
719         },
720 };
721
722 static struct platform_device dma0_device = {
723         .name           = "sh-dma-engine",
724         .id             = 0,
725         .resource       = r8a7740_dmae0_resources,
726         .num_resources  = ARRAY_SIZE(r8a7740_dmae0_resources),
727         .dev            = {
728                 .platform_data  = &dma_platform_data,
729         },
730 };
731
732 static struct platform_device dma1_device = {
733         .name           = "sh-dma-engine",
734         .id             = 1,
735         .resource       = r8a7740_dmae1_resources,
736         .num_resources  = ARRAY_SIZE(r8a7740_dmae1_resources),
737         .dev            = {
738                 .platform_data  = &dma_platform_data,
739         },
740 };
741
742 static struct platform_device dma2_device = {
743         .name           = "sh-dma-engine",
744         .id             = 2,
745         .resource       = r8a7740_dmae2_resources,
746         .num_resources  = ARRAY_SIZE(r8a7740_dmae2_resources),
747         .dev            = {
748                 .platform_data  = &dma_platform_data,
749         },
750 };
751
752 /* USB-DMAC */
753 static const struct sh_dmae_channel r8a7740_usb_dma_channels[] = {
754         {
755                 .offset = 0,
756         }, {
757                 .offset = 0x20,
758         },
759 };
760
761 static const struct sh_dmae_slave_config r8a7740_usb_dma_slaves[] = {
762         {
763                 .slave_id       = SHDMA_SLAVE_USBHS_TX,
764                 .chcr           = USBTS_INDEX2VAL(USBTS_XMIT_SZ_8BYTE),
765         }, {
766                 .slave_id       = SHDMA_SLAVE_USBHS_RX,
767                 .chcr           = USBTS_INDEX2VAL(USBTS_XMIT_SZ_8BYTE),
768         },
769 };
770
771 static struct sh_dmae_pdata usb_dma_platform_data = {
772         .slave          = r8a7740_usb_dma_slaves,
773         .slave_num      = ARRAY_SIZE(r8a7740_usb_dma_slaves),
774         .channel        = r8a7740_usb_dma_channels,
775         .channel_num    = ARRAY_SIZE(r8a7740_usb_dma_channels),
776         .ts_low_shift   = USBTS_LOW_SHIFT,
777         .ts_low_mask    = USBTS_LOW_BIT << USBTS_LOW_SHIFT,
778         .ts_high_shift  = USBTS_HI_SHIFT,
779         .ts_high_mask   = USBTS_HI_BIT << USBTS_HI_SHIFT,
780         .ts_shift       = dma_usbts_shift,
781         .ts_shift_num   = ARRAY_SIZE(dma_usbts_shift),
782         .dmaor_init     = DMAOR_DME,
783         .chcr_offset    = 0x14,
784         .chcr_ie_bit    = 1 << 5,
785         .dmaor_is_32bit = 1,
786         .needs_tend_set = 1,
787         .no_dmars       = 1,
788         .slave_only     = 1,
789 };
790
791 static struct resource r8a7740_usb_dma_resources[] = {
792         {
793                 /* Channel registers and DMAOR */
794                 .start  = 0xe68a0020,
795                 .end    = 0xe68a0064 - 1,
796                 .flags  = IORESOURCE_MEM,
797         },
798         {
799                 /* VCR/SWR/DMICR */
800                 .start  = 0xe68a0000,
801                 .end    = 0xe68a0014 - 1,
802                 .flags  = IORESOURCE_MEM,
803         },
804         {
805                 /* IRQ for channels */
806                 .start  = gic_spi(49),
807                 .end    = gic_spi(49),
808                 .flags  = IORESOURCE_IRQ,
809         },
810 };
811
812 static struct platform_device usb_dma_device = {
813         .name           = "sh-dma-engine",
814         .id             = 3,
815         .resource       = r8a7740_usb_dma_resources,
816         .num_resources  = ARRAY_SIZE(r8a7740_usb_dma_resources),
817         .dev            = {
818                 .platform_data  = &usb_dma_platform_data,
819         },
820 };
821
822 /* I2C */
823 static struct resource i2c0_resources[] = {
824         [0] = {
825                 .name   = "IIC0",
826                 .start  = 0xfff20000,
827                 .end    = 0xfff20425 - 1,
828                 .flags  = IORESOURCE_MEM,
829         },
830         [1] = {
831                 .start  = gic_spi(201),
832                 .end    = gic_spi(204),
833                 .flags  = IORESOURCE_IRQ,
834         },
835 };
836
837 static struct resource i2c1_resources[] = {
838         [0] = {
839                 .name   = "IIC1",
840                 .start  = 0xe6c20000,
841                 .end    = 0xe6c20425 - 1,
842                 .flags  = IORESOURCE_MEM,
843         },
844         [1] = {
845                 .start  = gic_spi(70), /* IIC1_ALI1 */
846                 .end    = gic_spi(73), /* IIC1_DTEI1 */
847                 .flags  = IORESOURCE_IRQ,
848         },
849 };
850
851 static struct platform_device i2c0_device = {
852         .name           = "i2c-sh_mobile",
853         .id             = 0,
854         .resource       = i2c0_resources,
855         .num_resources  = ARRAY_SIZE(i2c0_resources),
856 };
857
858 static struct platform_device i2c1_device = {
859         .name           = "i2c-sh_mobile",
860         .id             = 1,
861         .resource       = i2c1_resources,
862         .num_resources  = ARRAY_SIZE(i2c1_resources),
863 };
864
865 static struct resource pmu_resources[] = {
866         [0] = {
867                 .start  = gic_spi(83),
868                 .end    = gic_spi(83),
869                 .flags  = IORESOURCE_IRQ,
870         },
871 };
872
873 static struct platform_device pmu_device = {
874         .name   = "arm-pmu",
875         .id     = -1,
876         .num_resources = ARRAY_SIZE(pmu_resources),
877         .resource = pmu_resources,
878 };
879
880 static struct platform_device *r8a7740_late_devices[] __initdata = {
881         &i2c0_device,
882         &i2c1_device,
883         &dma0_device,
884         &dma1_device,
885         &dma2_device,
886         &usb_dma_device,
887         &pmu_device,
888 };
889
890 /*
891  * r8a7740 chip has lasting errata on MERAM buffer.
892  * this is work-around for it.
893  * see
894  *      "Media RAM (MERAM)" on r8a7740 documentation
895  */
896 #define MEBUFCNTR       0xFE950098
897 void r8a7740_meram_workaround(void)
898 {
899         void __iomem *reg;
900
901         reg = ioremap_nocache(MEBUFCNTR, 4);
902         if (reg) {
903                 iowrite32(0x01600164, reg);
904                 iounmap(reg);
905         }
906 }
907
908 #define ICCR    0x0004
909 #define ICSTART 0x0070
910
911 #define i2c_read(reg, offset)           ioread8(reg + offset)
912 #define i2c_write(reg, offset, data)    iowrite8(data, reg + offset)
913
914 /*
915  * r8a7740 chip has lasting errata on I2C I/O pad reset.
916  * this is work-around for it.
917  */
918 static void r8a7740_i2c_workaround(struct platform_device *pdev)
919 {
920         struct resource *res;
921         void __iomem *reg;
922
923         res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
924         if (unlikely(!res)) {
925                 pr_err("r8a7740 i2c workaround fail (cannot find resource)\n");
926                 return;
927         }
928
929         reg = ioremap(res->start, resource_size(res));
930         if (unlikely(!reg)) {
931                 pr_err("r8a7740 i2c workaround fail (cannot map IO)\n");
932                 return;
933         }
934
935         i2c_write(reg, ICCR, i2c_read(reg, ICCR) | 0x80);
936         i2c_read(reg, ICCR); /* dummy read */
937
938         i2c_write(reg, ICSTART, i2c_read(reg, ICSTART) | 0x10);
939         i2c_read(reg, ICSTART); /* dummy read */
940
941         udelay(10);
942
943         i2c_write(reg, ICCR, 0x01);
944         i2c_write(reg, ICSTART, 0x00);
945
946         udelay(10);
947
948         i2c_write(reg, ICCR, 0x10);
949         udelay(10);
950         i2c_write(reg, ICCR, 0x00);
951         udelay(10);
952         i2c_write(reg, ICCR, 0x10);
953         udelay(10);
954
955         iounmap(reg);
956 }
957
958 void __init r8a7740_add_standard_devices(void)
959 {
960         /* I2C work-around */
961         r8a7740_i2c_workaround(&i2c0_device);
962         r8a7740_i2c_workaround(&i2c1_device);
963
964         r8a7740_init_pm_domains();
965
966         /* add devices */
967         platform_add_devices(r8a7740_early_devices,
968                             ARRAY_SIZE(r8a7740_early_devices));
969         platform_add_devices(r8a7740_devices_dt,
970                             ARRAY_SIZE(r8a7740_devices_dt));
971         platform_add_devices(r8a7740_late_devices,
972                              ARRAY_SIZE(r8a7740_late_devices));
973
974         /* add devices to PM domain  */
975
976         rmobile_add_device_to_domain("A3SP",    &scif0_device);
977         rmobile_add_device_to_domain("A3SP",    &scif1_device);
978         rmobile_add_device_to_domain("A3SP",    &scif2_device);
979         rmobile_add_device_to_domain("A3SP",    &scif3_device);
980         rmobile_add_device_to_domain("A3SP",    &scif4_device);
981         rmobile_add_device_to_domain("A3SP",    &scif5_device);
982         rmobile_add_device_to_domain("A3SP",    &scif6_device);
983         rmobile_add_device_to_domain("A3SP",    &scif7_device);
984         rmobile_add_device_to_domain("A3SP",    &scifb_device);
985         rmobile_add_device_to_domain("A3SP",    &i2c1_device);
986 }
987
988 void __init r8a7740_add_early_devices(void)
989 {
990         early_platform_add_devices(r8a7740_early_devices,
991                                    ARRAY_SIZE(r8a7740_early_devices));
992         early_platform_add_devices(r8a7740_devices_dt,
993                                    ARRAY_SIZE(r8a7740_devices_dt));
994
995         /* setup early console here as well */
996         shmobile_setup_console();
997 }
998
999 #ifdef CONFIG_USE_OF
1000
1001 void __init r8a7740_add_early_devices_dt(void)
1002 {
1003         shmobile_setup_delay(800, 1, 3); /* Cortex-A9 @ 800MHz */
1004
1005         early_platform_add_devices(r8a7740_early_devices,
1006                                    ARRAY_SIZE(r8a7740_early_devices));
1007
1008         /* setup early console here as well */
1009         shmobile_setup_console();
1010 }
1011
1012 void __init r8a7740_add_standard_devices_dt(void)
1013 {
1014         platform_add_devices(r8a7740_devices_dt,
1015                             ARRAY_SIZE(r8a7740_devices_dt));
1016         of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
1017 }
1018
1019 void __init r8a7740_init_delay(void)
1020 {
1021         shmobile_setup_delay(800, 1, 3); /* Cortex-A9 @ 800MHz */
1022 };
1023
1024 void __init r8a7740_init_irq_of(void)
1025 {
1026         void __iomem *intc_prio_base = ioremap_nocache(0xe6900010, 0x10);
1027         void __iomem *intc_msk_base = ioremap_nocache(0xe6900040, 0x10);
1028         void __iomem *pfc_inta_ctrl = ioremap_nocache(0xe605807c, 0x4);
1029
1030         irqchip_init();
1031
1032         /* route signals to GIC */
1033         iowrite32(0x0, pfc_inta_ctrl);
1034
1035         /*
1036          * To mask the shared interrupt to SPI 149 we must ensure to set
1037          * PRIO *and* MASK. Else we run into IRQ floods when registering
1038          * the intc_irqpin devices
1039          */
1040         iowrite32(0x0, intc_prio_base + 0x0);
1041         iowrite32(0x0, intc_prio_base + 0x4);
1042         iowrite32(0x0, intc_prio_base + 0x8);
1043         iowrite32(0x0, intc_prio_base + 0xc);
1044         iowrite8(0xff, intc_msk_base + 0x0);
1045         iowrite8(0xff, intc_msk_base + 0x4);
1046         iowrite8(0xff, intc_msk_base + 0x8);
1047         iowrite8(0xff, intc_msk_base + 0xc);
1048
1049         iounmap(intc_prio_base);
1050         iounmap(intc_msk_base);
1051         iounmap(pfc_inta_ctrl);
1052 }
1053
1054 static void __init r8a7740_generic_init(void)
1055 {
1056         r8a7740_clock_init(0);
1057         r8a7740_add_standard_devices_dt();
1058 }
1059
1060 static const char *r8a7740_boards_compat_dt[] __initdata = {
1061         "renesas,r8a7740",
1062         NULL,
1063 };
1064
1065 DT_MACHINE_START(R8A7740_DT, "Generic R8A7740 (Flattened Device Tree)")
1066         .map_io         = r8a7740_map_io,
1067         .init_early     = r8a7740_init_delay,
1068         .init_irq       = r8a7740_init_irq_of,
1069         .init_machine   = r8a7740_generic_init,
1070         .dt_compat      = r8a7740_boards_compat_dt,
1071 MACHINE_END
1072
1073 #endif /* CONFIG_USE_OF */