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1 /*
2  * SH7786 Setup
3  *
4  * Copyright (C) 2009 - 2011  Renesas Solutions Corp.
5  * Kuninori Morimoto <morimoto.kuninori@renesas.com>
6  * Paul Mundt <paul.mundt@renesas.com>
7  *
8  * Based on SH7785 Setup
9  *
10  *  Copyright (C) 2007  Paul Mundt
11  *
12  * This file is subject to the terms and conditions of the GNU General Public
13  * License.  See the file "COPYING" in the main directory of this archive
14  * for more details.
15  */
16 #include <linux/platform_device.h>
17 #include <linux/init.h>
18 #include <linux/serial.h>
19 #include <linux/serial_sci.h>
20 #include <linux/io.h>
21 #include <linux/mm.h>
22 #include <linux/dma-mapping.h>
23 #include <linux/sh_timer.h>
24 #include <linux/sh_dma.h>
25 #include <linux/sh_intc.h>
26 #include <cpu/dma-register.h>
27 #include <asm/mmzone.h>
28 
29 static struct plat_sci_port scif0_platform_data = {
30 	.mapbase	= 0xffea0000,
31 	.flags		= UPF_BOOT_AUTOCONF,
32 	.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE | SCSCR_CKE1,
33 	.scbrr_algo_id	= SCBRR_ALGO_1,
34 	.type		= PORT_SCIF,
35 	.irqs		= { 40, 41, 43, 42 },
36 	.regtype	= SCIx_SH4_SCIF_FIFODATA_REGTYPE,
37 };
38 
39 static struct platform_device scif0_device = {
40 	.name		= "sh-sci",
41 	.id		= 0,
42 	.dev		= {
43 		.platform_data	= &scif0_platform_data,
44 	},
45 };
46 
47 /*
48  * The rest of these all have multiplexed IRQs
49  */
50 static struct plat_sci_port scif1_platform_data = {
51 	.mapbase	= 0xffeb0000,
52 	.flags		= UPF_BOOT_AUTOCONF,
53 	.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE | SCSCR_CKE1,
54 	.scbrr_algo_id	= SCBRR_ALGO_1,
55 	.type		= PORT_SCIF,
56 	.irqs		= { 44, 44, 44, 44 },
57 	.regtype	= SCIx_SH4_SCIF_FIFODATA_REGTYPE,
58 };
59 
60 static struct platform_device scif1_device = {
61 	.name		= "sh-sci",
62 	.id		= 1,
63 	.dev		= {
64 		.platform_data	= &scif1_platform_data,
65 	},
66 };
67 
68 static struct plat_sci_port scif2_platform_data = {
69 	.mapbase	= 0xffec0000,
70 	.flags		= UPF_BOOT_AUTOCONF,
71 	.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE | SCSCR_CKE1,
72 	.scbrr_algo_id	= SCBRR_ALGO_1,
73 	.type		= PORT_SCIF,
74 	.irqs		= { 50, 50, 50, 50 },
75 	.regtype	= SCIx_SH4_SCIF_FIFODATA_REGTYPE,
76 };
77 
78 static struct platform_device scif2_device = {
79 	.name		= "sh-sci",
80 	.id		= 2,
81 	.dev		= {
82 		.platform_data	= &scif2_platform_data,
83 	},
84 };
85 
86 static struct plat_sci_port scif3_platform_data = {
87 	.mapbase	= 0xffed0000,
88 	.flags		= UPF_BOOT_AUTOCONF,
89 	.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE | SCSCR_CKE1,
90 	.scbrr_algo_id	= SCBRR_ALGO_1,
91 	.type		= PORT_SCIF,
92 	.irqs		= { 51, 51, 51, 51 },
93 	.regtype	= SCIx_SH4_SCIF_FIFODATA_REGTYPE,
94 };
95 
96 static struct platform_device scif3_device = {
97 	.name		= "sh-sci",
98 	.id		= 3,
99 	.dev		= {
100 		.platform_data	= &scif3_platform_data,
101 	},
102 };
103 
104 static struct plat_sci_port scif4_platform_data = {
105 	.mapbase	= 0xffee0000,
106 	.flags		= UPF_BOOT_AUTOCONF,
107 	.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE | SCSCR_CKE1,
108 	.scbrr_algo_id	= SCBRR_ALGO_1,
109 	.type		= PORT_SCIF,
110 	.irqs		= { 52, 52, 52, 52 },
111 	.regtype	= SCIx_SH4_SCIF_FIFODATA_REGTYPE,
112 };
113 
114 static struct platform_device scif4_device = {
115 	.name		= "sh-sci",
116 	.id		= 4,
117 	.dev		= {
118 		.platform_data	= &scif4_platform_data,
119 	},
120 };
121 
122 static struct plat_sci_port scif5_platform_data = {
123 	.mapbase	= 0xffef0000,
124 	.flags		= UPF_BOOT_AUTOCONF,
125 	.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE | SCSCR_CKE1,
126 	.scbrr_algo_id	= SCBRR_ALGO_1,
127 	.type		= PORT_SCIF,
128 	.irqs		= { 53, 53, 53, 53 },
129 	.regtype	= SCIx_SH4_SCIF_FIFODATA_REGTYPE,
130 };
131 
132 static struct platform_device scif5_device = {
133 	.name		= "sh-sci",
134 	.id		= 5,
135 	.dev		= {
136 		.platform_data	= &scif5_platform_data,
137 	},
138 };
139 
140 static struct sh_timer_config tmu0_platform_data = {
141 	.channel_offset = 0x04,
142 	.timer_bit = 0,
143 	.clockevent_rating = 200,
144 };
145 
146 static struct resource tmu0_resources[] = {
147 	[0] = {
148 		.start	= 0xffd80008,
149 		.end	= 0xffd80013,
150 		.flags	= IORESOURCE_MEM,
151 	},
152 	[1] = {
153 		.start	= 16,
154 		.flags	= IORESOURCE_IRQ,
155 	},
156 };
157 
158 static struct platform_device tmu0_device = {
159 	.name		= "sh_tmu",
160 	.id		= 0,
161 	.dev = {
162 		.platform_data	= &tmu0_platform_data,
163 	},
164 	.resource	= tmu0_resources,
165 	.num_resources	= ARRAY_SIZE(tmu0_resources),
166 };
167 
168 static struct sh_timer_config tmu1_platform_data = {
169 	.channel_offset = 0x10,
170 	.timer_bit = 1,
171 	.clocksource_rating = 200,
172 };
173 
174 static struct resource tmu1_resources[] = {
175 	[0] = {
176 		.start	= 0xffd80014,
177 		.end	= 0xffd8001f,
178 		.flags	= IORESOURCE_MEM,
179 	},
180 	[1] = {
181 		.start	= 17,
182 		.flags	= IORESOURCE_IRQ,
183 	},
184 };
185 
186 static struct platform_device tmu1_device = {
187 	.name		= "sh_tmu",
188 	.id		= 1,
189 	.dev = {
190 		.platform_data	= &tmu1_platform_data,
191 	},
192 	.resource	= tmu1_resources,
193 	.num_resources	= ARRAY_SIZE(tmu1_resources),
194 };
195 
196 static struct sh_timer_config tmu2_platform_data = {
197 	.channel_offset = 0x1c,
198 	.timer_bit = 2,
199 };
200 
201 static struct resource tmu2_resources[] = {
202 	[0] = {
203 		.start	= 0xffd80020,
204 		.end	= 0xffd8002f,
205 		.flags	= IORESOURCE_MEM,
206 	},
207 	[1] = {
208 		.start	= 18,
209 		.flags	= IORESOURCE_IRQ,
210 	},
211 };
212 
213 static struct platform_device tmu2_device = {
214 	.name		= "sh_tmu",
215 	.id		= 2,
216 	.dev = {
217 		.platform_data	= &tmu2_platform_data,
218 	},
219 	.resource	= tmu2_resources,
220 	.num_resources	= ARRAY_SIZE(tmu2_resources),
221 };
222 
223 static struct sh_timer_config tmu3_platform_data = {
224 	.channel_offset = 0x04,
225 	.timer_bit = 0,
226 };
227 
228 static struct resource tmu3_resources[] = {
229 	[0] = {
230 		.start	= 0xffda0008,
231 		.end	= 0xffda0013,
232 		.flags	= IORESOURCE_MEM,
233 	},
234 	[1] = {
235 		.start	= 20,
236 		.flags	= IORESOURCE_IRQ,
237 	},
238 };
239 
240 static struct platform_device tmu3_device = {
241 	.name		= "sh_tmu",
242 	.id		= 3,
243 	.dev = {
244 		.platform_data	= &tmu3_platform_data,
245 	},
246 	.resource	= tmu3_resources,
247 	.num_resources	= ARRAY_SIZE(tmu3_resources),
248 };
249 
250 static struct sh_timer_config tmu4_platform_data = {
251 	.channel_offset = 0x10,
252 	.timer_bit = 1,
253 };
254 
255 static struct resource tmu4_resources[] = {
256 	[0] = {
257 		.start	= 0xffda0014,
258 		.end	= 0xffda001f,
259 		.flags	= IORESOURCE_MEM,
260 	},
261 	[1] = {
262 		.start	= 21,
263 		.flags	= IORESOURCE_IRQ,
264 	},
265 };
266 
267 static struct platform_device tmu4_device = {
268 	.name		= "sh_tmu",
269 	.id		= 4,
270 	.dev = {
271 		.platform_data	= &tmu4_platform_data,
272 	},
273 	.resource	= tmu4_resources,
274 	.num_resources	= ARRAY_SIZE(tmu4_resources),
275 };
276 
277 static struct sh_timer_config tmu5_platform_data = {
278 	.channel_offset = 0x1c,
279 	.timer_bit = 2,
280 };
281 
282 static struct resource tmu5_resources[] = {
283 	[0] = {
284 		.start	= 0xffda0020,
285 		.end	= 0xffda002b,
286 		.flags	= IORESOURCE_MEM,
287 	},
288 	[1] = {
289 		.start	= 22,
290 		.flags	= IORESOURCE_IRQ,
291 	},
292 };
293 
294 static struct platform_device tmu5_device = {
295 	.name		= "sh_tmu",
296 	.id		= 5,
297 	.dev = {
298 		.platform_data	= &tmu5_platform_data,
299 	},
300 	.resource	= tmu5_resources,
301 	.num_resources	= ARRAY_SIZE(tmu5_resources),
302 };
303 
304 static struct sh_timer_config tmu6_platform_data = {
305 	.channel_offset = 0x04,
306 	.timer_bit = 0,
307 };
308 
309 static struct resource tmu6_resources[] = {
310 	[0] = {
311 		.start	= 0xffdc0008,
312 		.end	= 0xffdc0013,
313 		.flags	= IORESOURCE_MEM,
314 	},
315 	[1] = {
316 		.start	= 45,
317 		.flags	= IORESOURCE_IRQ,
318 	},
319 };
320 
321 static struct platform_device tmu6_device = {
322 	.name		= "sh_tmu",
323 	.id		= 6,
324 	.dev = {
325 		.platform_data	= &tmu6_platform_data,
326 	},
327 	.resource	= tmu6_resources,
328 	.num_resources	= ARRAY_SIZE(tmu6_resources),
329 };
330 
331 static struct sh_timer_config tmu7_platform_data = {
332 	.channel_offset = 0x10,
333 	.timer_bit = 1,
334 };
335 
336 static struct resource tmu7_resources[] = {
337 	[0] = {
338 		.start	= 0xffdc0014,
339 		.end	= 0xffdc001f,
340 		.flags	= IORESOURCE_MEM,
341 	},
342 	[1] = {
343 		.start	= 45,
344 		.flags	= IORESOURCE_IRQ,
345 	},
346 };
347 
348 static struct platform_device tmu7_device = {
349 	.name		= "sh_tmu",
350 	.id		= 7,
351 	.dev = {
352 		.platform_data	= &tmu7_platform_data,
353 	},
354 	.resource	= tmu7_resources,
355 	.num_resources	= ARRAY_SIZE(tmu7_resources),
356 };
357 
358 static struct sh_timer_config tmu8_platform_data = {
359 	.channel_offset = 0x1c,
360 	.timer_bit = 2,
361 };
362 
363 static struct resource tmu8_resources[] = {
364 	[0] = {
365 		.start	= 0xffdc0020,
366 		.end	= 0xffdc002b,
367 		.flags	= IORESOURCE_MEM,
368 	},
369 	[1] = {
370 		.start	= 45,
371 		.flags	= IORESOURCE_IRQ,
372 	},
373 };
374 
375 static struct platform_device tmu8_device = {
376 	.name		= "sh_tmu",
377 	.id		= 8,
378 	.dev = {
379 		.platform_data	= &tmu8_platform_data,
380 	},
381 	.resource	= tmu8_resources,
382 	.num_resources	= ARRAY_SIZE(tmu8_resources),
383 };
384 
385 static struct sh_timer_config tmu9_platform_data = {
386 	.channel_offset = 0x04,
387 	.timer_bit = 0,
388 };
389 
390 static struct resource tmu9_resources[] = {
391 	[0] = {
392 		.start	= 0xffde0008,
393 		.end	= 0xffde0013,
394 		.flags	= IORESOURCE_MEM,
395 	},
396 	[1] = {
397 		.start	= 46,
398 		.flags	= IORESOURCE_IRQ,
399 	},
400 };
401 
402 static struct platform_device tmu9_device = {
403 	.name		= "sh_tmu",
404 	.id		= 9,
405 	.dev = {
406 		.platform_data	= &tmu9_platform_data,
407 	},
408 	.resource	= tmu9_resources,
409 	.num_resources	= ARRAY_SIZE(tmu9_resources),
410 };
411 
412 static struct sh_timer_config tmu10_platform_data = {
413 	.channel_offset = 0x10,
414 	.timer_bit = 1,
415 };
416 
417 static struct resource tmu10_resources[] = {
418 	[0] = {
419 		.start	= 0xffde0014,
420 		.end	= 0xffde001f,
421 		.flags	= IORESOURCE_MEM,
422 	},
423 	[1] = {
424 		.start	= 46,
425 		.flags	= IORESOURCE_IRQ,
426 	},
427 };
428 
429 static struct platform_device tmu10_device = {
430 	.name		= "sh_tmu",
431 	.id		= 10,
432 	.dev = {
433 		.platform_data	= &tmu10_platform_data,
434 	},
435 	.resource	= tmu10_resources,
436 	.num_resources	= ARRAY_SIZE(tmu10_resources),
437 };
438 
439 static struct sh_timer_config tmu11_platform_data = {
440 	.channel_offset = 0x1c,
441 	.timer_bit = 2,
442 };
443 
444 static struct resource tmu11_resources[] = {
445 	[0] = {
446 		.start	= 0xffde0020,
447 		.end	= 0xffde002b,
448 		.flags	= IORESOURCE_MEM,
449 	},
450 	[1] = {
451 		.start	= 46,
452 		.flags	= IORESOURCE_IRQ,
453 	},
454 };
455 
456 static struct platform_device tmu11_device = {
457 	.name		= "sh_tmu",
458 	.id		= 11,
459 	.dev = {
460 		.platform_data	= &tmu11_platform_data,
461 	},
462 	.resource	= tmu11_resources,
463 	.num_resources	= ARRAY_SIZE(tmu11_resources),
464 };
465 
466 static const struct sh_dmae_channel dmac0_channels[] = {
467 	{
468 		.offset = 0,
469 		.dmars = 0,
470 		.dmars_bit = 0,
471 	}, {
472 		.offset = 0x10,
473 		.dmars = 0,
474 		.dmars_bit = 8,
475 	}, {
476 		.offset = 0x20,
477 		.dmars = 4,
478 		.dmars_bit = 0,
479 	}, {
480 		.offset = 0x30,
481 		.dmars = 4,
482 		.dmars_bit = 8,
483 	}, {
484 		.offset = 0x50,
485 		.dmars = 8,
486 		.dmars_bit = 0,
487 	}, {
488 		.offset = 0x60,
489 		.dmars = 8,
490 		.dmars_bit = 8,
491 	}
492 };
493 
494 static const unsigned int ts_shift[] = TS_SHIFT;
495 
496 static struct sh_dmae_pdata dma0_platform_data = {
497 	.channel	= dmac0_channels,
498 	.channel_num	= ARRAY_SIZE(dmac0_channels),
499 	.ts_low_shift	= CHCR_TS_LOW_SHIFT,
500 	.ts_low_mask	= CHCR_TS_LOW_MASK,
501 	.ts_high_shift	= CHCR_TS_HIGH_SHIFT,
502 	.ts_high_mask	= CHCR_TS_HIGH_MASK,
503 	.ts_shift	= ts_shift,
504 	.ts_shift_num	= ARRAY_SIZE(ts_shift),
505 	.dmaor_init	= DMAOR_INIT,
506 };
507 
508 /* Resource order important! */
509 static struct resource dmac0_resources[] = {
510 	{
511 		/* Channel registers and DMAOR */
512 		.start	= 0xfe008020,
513 		.end	= 0xfe00808f,
514 		.flags	= IORESOURCE_MEM,
515 	}, {
516 		/* DMARSx */
517 		.start	= 0xfe009000,
518 		.end	= 0xfe00900b,
519 		.flags	= IORESOURCE_MEM,
520 	}, {
521 		.name	= "error_irq",
522 		.start	= evt2irq(0x5c0),
523 		.end	= evt2irq(0x5c0),
524 		.flags	= IORESOURCE_IRQ,
525 	}, {
526 		/* IRQ for channels 0-5 */
527 		.start	= evt2irq(0x500),
528 		.end	= evt2irq(0x5a0),
529 		.flags	= IORESOURCE_IRQ,
530 	},
531 };
532 
533 static struct platform_device dma0_device = {
534 	.name		= "sh-dma-engine",
535 	.id		= 0,
536 	.resource	= dmac0_resources,
537 	.num_resources	= ARRAY_SIZE(dmac0_resources),
538 	.dev		= {
539 		.platform_data	= &dma0_platform_data,
540 	},
541 };
542 
543 #define USB_EHCI_START 0xffe70000
544 #define USB_OHCI_START 0xffe70400
545 
546 static struct resource usb_ehci_resources[] = {
547 	[0] = {
548 		.start	= USB_EHCI_START,
549 		.end	= USB_EHCI_START + 0x3ff,
550 		.flags	= IORESOURCE_MEM,
551 	},
552 	[1] = {
553 		.start	= 77,
554 		.end	= 77,
555 		.flags	= IORESOURCE_IRQ,
556 	},
557 };
558 
559 static struct platform_device usb_ehci_device = {
560 	.name		= "sh_ehci",
561 	.id		= -1,
562 	.dev = {
563 		.dma_mask		= &usb_ehci_device.dev.coherent_dma_mask,
564 		.coherent_dma_mask	= DMA_BIT_MASK(32),
565 	},
566 	.num_resources	= ARRAY_SIZE(usb_ehci_resources),
567 	.resource	= usb_ehci_resources,
568 };
569 
570 static struct resource usb_ohci_resources[] = {
571 	[0] = {
572 		.start	= USB_OHCI_START,
573 		.end	= USB_OHCI_START + 0x3ff,
574 		.flags	= IORESOURCE_MEM,
575 	},
576 	[1] = {
577 		.start	= 77,
578 		.end	= 77,
579 		.flags	= IORESOURCE_IRQ,
580 	},
581 };
582 
583 static struct platform_device usb_ohci_device = {
584 	.name		= "sh_ohci",
585 	.id		= -1,
586 	.dev = {
587 		.dma_mask		= &usb_ohci_device.dev.coherent_dma_mask,
588 		.coherent_dma_mask	= DMA_BIT_MASK(32),
589 	},
590 	.num_resources	= ARRAY_SIZE(usb_ohci_resources),
591 	.resource	= usb_ohci_resources,
592 };
593 
594 static struct platform_device *sh7786_early_devices[] __initdata = {
595 	&scif0_device,
596 	&scif1_device,
597 	&scif2_device,
598 	&scif3_device,
599 	&scif4_device,
600 	&scif5_device,
601 	&tmu0_device,
602 	&tmu1_device,
603 	&tmu2_device,
604 	&tmu3_device,
605 	&tmu4_device,
606 	&tmu5_device,
607 	&tmu6_device,
608 	&tmu7_device,
609 	&tmu8_device,
610 	&tmu9_device,
611 	&tmu10_device,
612 	&tmu11_device,
613 };
614 
615 static struct platform_device *sh7786_devices[] __initdata = {
616 	&dma0_device,
617 	&usb_ehci_device,
618 	&usb_ohci_device,
619 };
620 
621 /*
622  * Please call this function if your platform board
623  * use external clock for USB
624  * */
625 #define USBCTL0		0xffe70858
626 #define CLOCK_MODE_MASK 0xffffff7f
627 #define EXT_CLOCK_MODE  0x00000080
628 
sh7786_usb_use_exclock(void)629 void __init sh7786_usb_use_exclock(void)
630 {
631 	u32 val = __raw_readl(USBCTL0) & CLOCK_MODE_MASK;
632 	__raw_writel(val | EXT_CLOCK_MODE, USBCTL0);
633 }
634 
635 #define USBINITREG1	0xffe70094
636 #define USBINITREG2	0xffe7009c
637 #define USBINITVAL1	0x00ff0040
638 #define USBINITVAL2	0x00000001
639 
640 #define USBPCTL1	0xffe70804
641 #define USBST		0xffe70808
642 #define PHY_ENB		0x00000001
643 #define PLL_ENB		0x00000002
644 #define PHY_RST		0x00000004
645 #define ACT_PLL_STATUS	0xc0000000
646 
sh7786_usb_setup(void)647 static void __init sh7786_usb_setup(void)
648 {
649 	int i = 1000000;
650 
651 	/*
652 	 * USB initial settings
653 	 *
654 	 * The following settings are necessary
655 	 * for using the USB modules.
656 	 *
657 	 * see "USB Initial Settings" for detail
658 	 */
659 	__raw_writel(USBINITVAL1, USBINITREG1);
660 	__raw_writel(USBINITVAL2, USBINITREG2);
661 
662 	/*
663 	 * Set the PHY and PLL enable bit
664 	 */
665 	__raw_writel(PHY_ENB | PLL_ENB, USBPCTL1);
666 	while (i--) {
667 		if (ACT_PLL_STATUS == (__raw_readl(USBST) & ACT_PLL_STATUS)) {
668 			/* Set the PHY RST bit */
669 			__raw_writel(PHY_ENB | PLL_ENB | PHY_RST, USBPCTL1);
670 			printk(KERN_INFO "sh7786 usb setup done\n");
671 			break;
672 		}
673 		cpu_relax();
674 	}
675 }
676 
677 enum {
678 	UNUSED = 0,
679 
680 	/* interrupt sources */
681 	IRL0_LLLL, IRL0_LLLH, IRL0_LLHL, IRL0_LLHH,
682 	IRL0_LHLL, IRL0_LHLH, IRL0_LHHL, IRL0_LHHH,
683 	IRL0_HLLL, IRL0_HLLH, IRL0_HLHL, IRL0_HLHH,
684 	IRL0_HHLL, IRL0_HHLH, IRL0_HHHL,
685 
686 	IRL4_LLLL, IRL4_LLLH, IRL4_LLHL, IRL4_LLHH,
687 	IRL4_LHLL, IRL4_LHLH, IRL4_LHHL, IRL4_LHHH,
688 	IRL4_HLLL, IRL4_HLLH, IRL4_HLHL, IRL4_HLHH,
689 	IRL4_HHLL, IRL4_HHLH, IRL4_HHHL,
690 
691 	IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7,
692 	WDT,
693 	TMU0_0, TMU0_1, TMU0_2, TMU0_3,
694 	TMU1_0, TMU1_1, TMU1_2,
695 	DMAC0_0, DMAC0_1, DMAC0_2, DMAC0_3, DMAC0_4, DMAC0_5, DMAC0_6,
696 	HUDI1, HUDI0,
697 	DMAC1_0, DMAC1_1, DMAC1_2, DMAC1_3,
698 	HPB_0, HPB_1, HPB_2,
699 	SCIF0_0, SCIF0_1, SCIF0_2, SCIF0_3,
700 	SCIF1,
701 	TMU2, TMU3,
702 	SCIF2, SCIF3, SCIF4, SCIF5,
703 	Eth_0, Eth_1,
704 	PCIeC0_0, PCIeC0_1, PCIeC0_2,
705 	PCIeC1_0, PCIeC1_1, PCIeC1_2,
706 	USB,
707 	I2C0, I2C1,
708 	DU,
709 	SSI0, SSI1, SSI2, SSI3,
710 	PCIeC2_0, PCIeC2_1, PCIeC2_2,
711 	HAC0, HAC1,
712 	FLCTL,
713 	HSPI,
714 	GPIO0, GPIO1,
715 	Thermal,
716 	INTICI0, INTICI1, INTICI2, INTICI3,
717 	INTICI4, INTICI5, INTICI6, INTICI7,
718 
719 	/* Muxed sub-events */
720 	TXI1, BRI1, RXI1, ERI1,
721 };
722 
723 static struct intc_vect sh7786_vectors[] __initdata = {
724 	INTC_VECT(WDT, 0x3e0),
725 	INTC_VECT(TMU0_0, 0x400), INTC_VECT(TMU0_1, 0x420),
726 	INTC_VECT(TMU0_2, 0x440), INTC_VECT(TMU0_3, 0x460),
727 	INTC_VECT(TMU1_0, 0x480), INTC_VECT(TMU1_1, 0x4a0),
728 	INTC_VECT(TMU1_2, 0x4c0),
729 	INTC_VECT(DMAC0_0, 0x500), INTC_VECT(DMAC0_1, 0x520),
730 	INTC_VECT(DMAC0_2, 0x540), INTC_VECT(DMAC0_3, 0x560),
731 	INTC_VECT(DMAC0_4, 0x580), INTC_VECT(DMAC0_5, 0x5a0),
732 	INTC_VECT(DMAC0_6, 0x5c0),
733 	INTC_VECT(HUDI1, 0x5e0), INTC_VECT(HUDI0, 0x600),
734 	INTC_VECT(DMAC1_0, 0x620), INTC_VECT(DMAC1_1, 0x640),
735 	INTC_VECT(DMAC1_2, 0x660), INTC_VECT(DMAC1_3, 0x680),
736 	INTC_VECT(HPB_0, 0x6a0), INTC_VECT(HPB_1, 0x6c0),
737 	INTC_VECT(HPB_2, 0x6e0),
738 	INTC_VECT(SCIF0_0, 0x700), INTC_VECT(SCIF0_1, 0x720),
739 	INTC_VECT(SCIF0_2, 0x740), INTC_VECT(SCIF0_3, 0x760),
740 	INTC_VECT(SCIF1, 0x780),
741 	INTC_VECT(TMU2, 0x7a0), INTC_VECT(TMU3, 0x7c0),
742 	INTC_VECT(SCIF2, 0x840), INTC_VECT(SCIF3, 0x860),
743 	INTC_VECT(SCIF4, 0x880), INTC_VECT(SCIF5, 0x8a0),
744 	INTC_VECT(Eth_0, 0x8c0), INTC_VECT(Eth_1, 0x8e0),
745 	INTC_VECT(PCIeC0_0, 0xae0), INTC_VECT(PCIeC0_1, 0xb00),
746 	INTC_VECT(PCIeC0_2, 0xb20),
747 	INTC_VECT(PCIeC1_0, 0xb40), INTC_VECT(PCIeC1_1, 0xb60),
748 	INTC_VECT(PCIeC1_2, 0xb80),
749 	INTC_VECT(USB, 0xba0),
750 	INTC_VECT(I2C0, 0xcc0), INTC_VECT(I2C1, 0xce0),
751 	INTC_VECT(DU, 0xd00),
752 	INTC_VECT(SSI0, 0xd20), INTC_VECT(SSI1, 0xd40),
753 	INTC_VECT(SSI2, 0xd60), INTC_VECT(SSI3, 0xd80),
754 	INTC_VECT(PCIeC2_0, 0xda0), INTC_VECT(PCIeC2_1, 0xdc0),
755 	INTC_VECT(PCIeC2_2, 0xde0),
756 	INTC_VECT(HAC0, 0xe00), INTC_VECT(HAC1, 0xe20),
757 	INTC_VECT(FLCTL, 0xe40),
758 	INTC_VECT(HSPI, 0xe80),
759 	INTC_VECT(GPIO0, 0xea0), INTC_VECT(GPIO1, 0xec0),
760 	INTC_VECT(Thermal, 0xee0),
761 	INTC_VECT(INTICI0, 0xf00), INTC_VECT(INTICI1, 0xf20),
762 	INTC_VECT(INTICI2, 0xf40), INTC_VECT(INTICI3, 0xf60),
763 	INTC_VECT(INTICI4, 0xf80), INTC_VECT(INTICI5, 0xfa0),
764 	INTC_VECT(INTICI6, 0xfc0), INTC_VECT(INTICI7, 0xfe0),
765 };
766 
767 #define CnINTMSK0	0xfe410030
768 #define CnINTMSK1	0xfe410040
769 #define CnINTMSKCLR0	0xfe410050
770 #define CnINTMSKCLR1	0xfe410060
771 #define CnINT2MSKR0	0xfe410a20
772 #define CnINT2MSKR1	0xfe410a24
773 #define CnINT2MSKR2	0xfe410a28
774 #define CnINT2MSKR3	0xfe410a2c
775 #define CnINT2MSKCR0	0xfe410a30
776 #define CnINT2MSKCR1	0xfe410a34
777 #define CnINT2MSKCR2	0xfe410a38
778 #define CnINT2MSKCR3	0xfe410a3c
779 #define INTMSK2		0xfe410068
780 #define INTMSKCLR2	0xfe41006c
781 
782 #define INTDISTCR0	0xfe4100b0
783 #define INTDISTCR1	0xfe4100b4
784 #define INT2DISTCR0	0xfe410900
785 #define INT2DISTCR1	0xfe410904
786 #define INT2DISTCR2	0xfe410908
787 #define INT2DISTCR3	0xfe41090c
788 
789 static struct intc_mask_reg sh7786_mask_registers[] __initdata = {
790 	{ CnINTMSK0, CnINTMSKCLR0, 32,
791 	  { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 },
792 	    INTC_SMP_BALANCING(INTDISTCR0) },
793 	{ INTMSK2, INTMSKCLR2, 32,
794 	  { IRL0_LLLL, IRL0_LLLH, IRL0_LLHL, IRL0_LLHH,
795 	    IRL0_LHLL, IRL0_LHLH, IRL0_LHHL, IRL0_LHHH,
796 	    IRL0_HLLL, IRL0_HLLH, IRL0_HLHL, IRL0_HLHH,
797 	    IRL0_HHLL, IRL0_HHLH, IRL0_HHHL, 0,
798 	    IRL4_LLLL, IRL4_LLLH, IRL4_LLHL, IRL4_LLHH,
799 	    IRL4_LHLL, IRL4_LHLH, IRL4_LHHL, IRL4_LHHH,
800 	    IRL4_HLLL, IRL4_HLLH, IRL4_HLHL, IRL4_HLHH,
801 	    IRL4_HHLL, IRL4_HHLH, IRL4_HHHL, 0, } },
802 	{ CnINT2MSKR0, CnINT2MSKCR0 , 32,
803 	  { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
804 	    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, WDT },
805 	    INTC_SMP_BALANCING(INT2DISTCR0) },
806 	{ CnINT2MSKR1, CnINT2MSKCR1, 32,
807 	  { TMU0_0, TMU0_1, TMU0_2, TMU0_3, TMU1_0, TMU1_1, TMU1_2, 0,
808 	    DMAC0_0, DMAC0_1, DMAC0_2, DMAC0_3, DMAC0_4, DMAC0_5, DMAC0_6,
809 	    HUDI1, HUDI0,
810 	    DMAC1_0, DMAC1_1, DMAC1_2, DMAC1_3,
811 	    HPB_0, HPB_1, HPB_2,
812 	    SCIF0_0, SCIF0_1, SCIF0_2, SCIF0_3,
813 	    SCIF1,
814 	    TMU2, TMU3, 0, }, INTC_SMP_BALANCING(INT2DISTCR1) },
815 	{ CnINT2MSKR2, CnINT2MSKCR2, 32,
816 	  { 0, 0, SCIF2, SCIF3, SCIF4, SCIF5,
817 	    Eth_0, Eth_1,
818 	    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
819 	    PCIeC0_0, PCIeC0_1, PCIeC0_2,
820 	    PCIeC1_0, PCIeC1_1, PCIeC1_2,
821 	    USB, 0, 0 }, INTC_SMP_BALANCING(INT2DISTCR2) },
822 	{ CnINT2MSKR3, CnINT2MSKCR3, 32,
823 	  { 0, 0, 0, 0, 0, 0,
824 	    I2C0, I2C1,
825 	    DU, SSI0, SSI1, SSI2, SSI3,
826 	    PCIeC2_0, PCIeC2_1, PCIeC2_2,
827 	    HAC0, HAC1,
828 	    FLCTL, 0,
829 	    HSPI, GPIO0, GPIO1, Thermal,
830 	    0, 0, 0, 0, 0, 0, 0, 0 }, INTC_SMP_BALANCING(INT2DISTCR3) },
831 };
832 
833 static struct intc_prio_reg sh7786_prio_registers[] __initdata = {
834 	{ 0xfe410010, 0, 32, 4, /* INTPRI */   { IRQ0, IRQ1, IRQ2, IRQ3,
835 						 IRQ4, IRQ5, IRQ6, IRQ7 } },
836 	{ 0xfe410800, 0, 32, 8, /* INT2PRI0 */ { 0, 0, 0, WDT } },
837 	{ 0xfe410804, 0, 32, 8, /* INT2PRI1 */ { TMU0_0, TMU0_1,
838 						 TMU0_2, TMU0_3 } },
839 	{ 0xfe410808, 0, 32, 8, /* INT2PRI2 */ { TMU1_0, TMU1_1,
840 						 TMU1_2, 0 } },
841 	{ 0xfe41080c, 0, 32, 8, /* INT2PRI3 */ { DMAC0_0, DMAC0_1,
842 						 DMAC0_2, DMAC0_3 } },
843 	{ 0xfe410810, 0, 32, 8, /* INT2PRI4 */ { DMAC0_4, DMAC0_5,
844 						 DMAC0_6, HUDI1 } },
845 	{ 0xfe410814, 0, 32, 8, /* INT2PRI5 */ { HUDI0, DMAC1_0,
846 						 DMAC1_1, DMAC1_2 } },
847 	{ 0xfe410818, 0, 32, 8, /* INT2PRI6 */ { DMAC1_3, HPB_0,
848 						 HPB_1, HPB_2 } },
849 	{ 0xfe41081c, 0, 32, 8, /* INT2PRI7 */ { SCIF0_0, SCIF0_1,
850 						 SCIF0_2, SCIF0_3 } },
851 	{ 0xfe410820, 0, 32, 8, /* INT2PRI8 */ { SCIF1, TMU2, TMU3, 0 } },
852 	{ 0xfe410824, 0, 32, 8, /* INT2PRI9 */ { 0, 0, SCIF2, SCIF3 } },
853 	{ 0xfe410828, 0, 32, 8, /* INT2PRI10 */ { SCIF4, SCIF5,
854 						  Eth_0, Eth_1 } },
855 	{ 0xfe41082c, 0, 32, 8, /* INT2PRI11 */ { 0, 0, 0, 0 } },
856 	{ 0xfe410830, 0, 32, 8, /* INT2PRI12 */ { 0, 0, 0, 0 } },
857 	{ 0xfe410834, 0, 32, 8, /* INT2PRI13 */ { 0, 0, 0, 0 } },
858 	{ 0xfe410838, 0, 32, 8, /* INT2PRI14 */ { 0, 0, 0, PCIeC0_0 } },
859 	{ 0xfe41083c, 0, 32, 8, /* INT2PRI15 */ { PCIeC0_1, PCIeC0_2,
860 						  PCIeC1_0, PCIeC1_1 } },
861 	{ 0xfe410840, 0, 32, 8, /* INT2PRI16 */ { PCIeC1_2, USB, 0, 0 } },
862 	{ 0xfe410844, 0, 32, 8, /* INT2PRI17 */ { 0, 0, 0, 0 } },
863 	{ 0xfe410848, 0, 32, 8, /* INT2PRI18 */ { 0, 0, I2C0, I2C1 } },
864 	{ 0xfe41084c, 0, 32, 8, /* INT2PRI19 */ { DU, SSI0, SSI1, SSI2 } },
865 	{ 0xfe410850, 0, 32, 8, /* INT2PRI20 */ { SSI3, PCIeC2_0,
866 						  PCIeC2_1, PCIeC2_2 } },
867 	{ 0xfe410854, 0, 32, 8, /* INT2PRI21 */ { HAC0, HAC1, FLCTL, 0 } },
868 	{ 0xfe410858, 0, 32, 8, /* INT2PRI22 */ { HSPI, GPIO0,
869 						  GPIO1, Thermal } },
870 	{ 0xfe41085c, 0, 32, 8, /* INT2PRI23 */ { 0, 0, 0, 0 } },
871 	{ 0xfe410860, 0, 32, 8, /* INT2PRI24 */ { 0, 0, 0, 0 } },
872 	{ 0xfe410090, 0xfe4100a0, 32, 4, /* CnICIPRI / CnICIPRICLR */
873 	  { INTICI7, INTICI6, INTICI5, INTICI4,
874 	    INTICI3, INTICI2, INTICI1, INTICI0 }, INTC_SMP(4, 2) },
875 };
876 
877 static struct intc_subgroup sh7786_subgroups[] __initdata = {
878 	{ 0xfe410c20, 32, SCIF1,
879 	  { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
880 	    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, TXI1, BRI1, RXI1, ERI1 } },
881 };
882 
883 static struct intc_desc sh7786_intc_desc __initdata = {
884 	.name		= "sh7786",
885 	.hw		= {
886 		.vectors	= sh7786_vectors,
887 		.nr_vectors	= ARRAY_SIZE(sh7786_vectors),
888 		.mask_regs	= sh7786_mask_registers,
889 		.nr_mask_regs	= ARRAY_SIZE(sh7786_mask_registers),
890 		.subgroups	= sh7786_subgroups,
891 		.nr_subgroups	= ARRAY_SIZE(sh7786_subgroups),
892 		.prio_regs	= sh7786_prio_registers,
893 		.nr_prio_regs	= ARRAY_SIZE(sh7786_prio_registers),
894 	},
895 };
896 
897 /* Support for external interrupt pins in IRQ mode */
898 static struct intc_vect vectors_irq0123[] __initdata = {
899 	INTC_VECT(IRQ0, 0x200), INTC_VECT(IRQ1, 0x240),
900 	INTC_VECT(IRQ2, 0x280), INTC_VECT(IRQ3, 0x2c0),
901 };
902 
903 static struct intc_vect vectors_irq4567[] __initdata = {
904 	INTC_VECT(IRQ4, 0x300), INTC_VECT(IRQ5, 0x340),
905 	INTC_VECT(IRQ6, 0x380), INTC_VECT(IRQ7, 0x3c0),
906 };
907 
908 static struct intc_sense_reg sh7786_sense_registers[] __initdata = {
909 	{ 0xfe41001c, 32, 2, /* ICR1 */   { IRQ0, IRQ1, IRQ2, IRQ3,
910 					    IRQ4, IRQ5, IRQ6, IRQ7 } },
911 };
912 
913 static struct intc_mask_reg sh7786_ack_registers[] __initdata = {
914 	{ 0xfe410024, 0, 32, /* INTREQ */
915 	  { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } },
916 };
917 
918 static DECLARE_INTC_DESC_ACK(intc_desc_irq0123, "sh7786-irq0123",
919 			     vectors_irq0123, NULL, sh7786_mask_registers,
920 			     sh7786_prio_registers, sh7786_sense_registers,
921 			     sh7786_ack_registers);
922 
923 static DECLARE_INTC_DESC_ACK(intc_desc_irq4567, "sh7786-irq4567",
924 			     vectors_irq4567, NULL, sh7786_mask_registers,
925 			     sh7786_prio_registers, sh7786_sense_registers,
926 			     sh7786_ack_registers);
927 
928 /* External interrupt pins in IRL mode */
929 
930 static struct intc_vect vectors_irl0123[] __initdata = {
931 	INTC_VECT(IRL0_LLLL, 0x200), INTC_VECT(IRL0_LLLH, 0x220),
932 	INTC_VECT(IRL0_LLHL, 0x240), INTC_VECT(IRL0_LLHH, 0x260),
933 	INTC_VECT(IRL0_LHLL, 0x280), INTC_VECT(IRL0_LHLH, 0x2a0),
934 	INTC_VECT(IRL0_LHHL, 0x2c0), INTC_VECT(IRL0_LHHH, 0x2e0),
935 	INTC_VECT(IRL0_HLLL, 0x300), INTC_VECT(IRL0_HLLH, 0x320),
936 	INTC_VECT(IRL0_HLHL, 0x340), INTC_VECT(IRL0_HLHH, 0x360),
937 	INTC_VECT(IRL0_HHLL, 0x380), INTC_VECT(IRL0_HHLH, 0x3a0),
938 	INTC_VECT(IRL0_HHHL, 0x3c0),
939 };
940 
941 static struct intc_vect vectors_irl4567[] __initdata = {
942 	INTC_VECT(IRL4_LLLL, 0x900), INTC_VECT(IRL4_LLLH, 0x920),
943 	INTC_VECT(IRL4_LLHL, 0x940), INTC_VECT(IRL4_LLHH, 0x960),
944 	INTC_VECT(IRL4_LHLL, 0x980), INTC_VECT(IRL4_LHLH, 0x9a0),
945 	INTC_VECT(IRL4_LHHL, 0x9c0), INTC_VECT(IRL4_LHHH, 0x9e0),
946 	INTC_VECT(IRL4_HLLL, 0xa00), INTC_VECT(IRL4_HLLH, 0xa20),
947 	INTC_VECT(IRL4_HLHL, 0xa40), INTC_VECT(IRL4_HLHH, 0xa60),
948 	INTC_VECT(IRL4_HHLL, 0xa80), INTC_VECT(IRL4_HHLH, 0xaa0),
949 	INTC_VECT(IRL4_HHHL, 0xac0),
950 };
951 
952 static DECLARE_INTC_DESC(intc_desc_irl0123, "sh7786-irl0123", vectors_irl0123,
953 			 NULL, sh7786_mask_registers, NULL, NULL);
954 
955 static DECLARE_INTC_DESC(intc_desc_irl4567, "sh7786-irl4567", vectors_irl4567,
956 			 NULL, sh7786_mask_registers, NULL, NULL);
957 
958 #define INTC_ICR0	0xfe410000
959 #define INTC_INTMSK0	CnINTMSK0
960 #define INTC_INTMSK1	CnINTMSK1
961 #define INTC_INTMSK2	INTMSK2
962 #define INTC_INTMSKCLR1	CnINTMSKCLR1
963 #define INTC_INTMSKCLR2	INTMSKCLR2
964 
plat_irq_setup(void)965 void __init plat_irq_setup(void)
966 {
967 	/* disable IRQ3-0 + IRQ7-4 */
968 	__raw_writel(0xff000000, INTC_INTMSK0);
969 
970 	/* disable IRL3-0 + IRL7-4 */
971 	__raw_writel(0xc0000000, INTC_INTMSK1);
972 	__raw_writel(0xfffefffe, INTC_INTMSK2);
973 
974 	/* select IRL mode for IRL3-0 + IRL7-4 */
975 	__raw_writel(__raw_readl(INTC_ICR0) & ~0x00c00000, INTC_ICR0);
976 
977 	register_intc_controller(&sh7786_intc_desc);
978 }
979 
plat_irq_setup_pins(int mode)980 void __init plat_irq_setup_pins(int mode)
981 {
982 	switch (mode) {
983 	case IRQ_MODE_IRQ7654:
984 		/* select IRQ mode for IRL7-4 */
985 		__raw_writel(__raw_readl(INTC_ICR0) | 0x00400000, INTC_ICR0);
986 		register_intc_controller(&intc_desc_irq4567);
987 		break;
988 	case IRQ_MODE_IRQ3210:
989 		/* select IRQ mode for IRL3-0 */
990 		__raw_writel(__raw_readl(INTC_ICR0) | 0x00800000, INTC_ICR0);
991 		register_intc_controller(&intc_desc_irq0123);
992 		break;
993 	case IRQ_MODE_IRL7654:
994 		/* enable IRL7-4 but don't provide any masking */
995 		__raw_writel(0x40000000, INTC_INTMSKCLR1);
996 		__raw_writel(0x0000fffe, INTC_INTMSKCLR2);
997 		break;
998 	case IRQ_MODE_IRL3210:
999 		/* enable IRL0-3 but don't provide any masking */
1000 		__raw_writel(0x80000000, INTC_INTMSKCLR1);
1001 		__raw_writel(0xfffe0000, INTC_INTMSKCLR2);
1002 		break;
1003 	case IRQ_MODE_IRL7654_MASK:
1004 		/* enable IRL7-4 and mask using cpu intc controller */
1005 		__raw_writel(0x40000000, INTC_INTMSKCLR1);
1006 		register_intc_controller(&intc_desc_irl4567);
1007 		break;
1008 	case IRQ_MODE_IRL3210_MASK:
1009 		/* enable IRL0-3 and mask using cpu intc controller */
1010 		__raw_writel(0x80000000, INTC_INTMSKCLR1);
1011 		register_intc_controller(&intc_desc_irl0123);
1012 		break;
1013 	default:
1014 		BUG();
1015 	}
1016 }
1017 
plat_mem_setup(void)1018 void __init plat_mem_setup(void)
1019 {
1020 }
1021 
sh7786_devices_setup(void)1022 static int __init sh7786_devices_setup(void)
1023 {
1024 	int ret, irq;
1025 
1026 	sh7786_usb_setup();
1027 
1028 	/*
1029 	 * De-mux SCIF1 IRQs if possible
1030 	 */
1031 	irq = intc_irq_lookup(sh7786_intc_desc.name, TXI1);
1032 	if (irq > 0) {
1033 		scif1_platform_data.irqs[SCIx_TXI_IRQ] = irq;
1034 		scif1_platform_data.irqs[SCIx_ERI_IRQ] =
1035 			intc_irq_lookup(sh7786_intc_desc.name, ERI1);
1036 		scif1_platform_data.irqs[SCIx_BRI_IRQ] =
1037 			intc_irq_lookup(sh7786_intc_desc.name, BRI1);
1038 		scif1_platform_data.irqs[SCIx_RXI_IRQ] =
1039 			intc_irq_lookup(sh7786_intc_desc.name, RXI1);
1040 	}
1041 
1042 	ret = platform_add_devices(sh7786_early_devices,
1043 				   ARRAY_SIZE(sh7786_early_devices));
1044 	if (unlikely(ret != 0))
1045 		return ret;
1046 
1047 	return platform_add_devices(sh7786_devices,
1048 				    ARRAY_SIZE(sh7786_devices));
1049 }
1050 arch_initcall(sh7786_devices_setup);
1051 
plat_early_device_setup(void)1052 void __init plat_early_device_setup(void)
1053 {
1054 	early_platform_add_devices(sh7786_early_devices,
1055 				   ARRAY_SIZE(sh7786_early_devices));
1056 }
1057