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 <linux/usb/ohci_pdriver.h>
27 #include <cpu/dma-register.h>
28 #include <asm/mmzone.h>
29 
30 static struct plat_sci_port scif0_platform_data = {
31 	.flags		= UPF_BOOT_AUTOCONF,
32 	.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE | SCSCR_CKE1,
33 	.type		= PORT_SCIF,
34 	.regtype	= SCIx_SH4_SCIF_FIFODATA_REGTYPE,
35 };
36 
37 static struct resource scif0_resources[] = {
38 	DEFINE_RES_MEM(0xffea0000, 0x100),
39 	DEFINE_RES_IRQ(evt2irq(0x700)),
40 	DEFINE_RES_IRQ(evt2irq(0x720)),
41 	DEFINE_RES_IRQ(evt2irq(0x760)),
42 	DEFINE_RES_IRQ(evt2irq(0x740)),
43 };
44 
45 static struct platform_device scif0_device = {
46 	.name		= "sh-sci",
47 	.id		= 0,
48 	.resource	= scif0_resources,
49 	.num_resources	= ARRAY_SIZE(scif0_resources),
50 	.dev		= {
51 		.platform_data	= &scif0_platform_data,
52 	},
53 };
54 
55 /*
56  * The rest of these all have multiplexed IRQs
57  */
58 static struct plat_sci_port scif1_platform_data = {
59 	.flags		= UPF_BOOT_AUTOCONF,
60 	.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE | SCSCR_CKE1,
61 	.type		= PORT_SCIF,
62 	.regtype	= SCIx_SH4_SCIF_FIFODATA_REGTYPE,
63 };
64 
65 static struct resource scif1_resources[] = {
66 	DEFINE_RES_MEM(0xffeb0000, 0x100),
67 	DEFINE_RES_IRQ(evt2irq(0x780)),
68 };
69 
70 static struct resource scif1_demux_resources[] = {
71 	DEFINE_RES_MEM(0xffeb0000, 0x100),
72 	/* Placeholders, see sh7786_devices_setup() */
73 	DEFINE_RES_IRQ(0),
74 	DEFINE_RES_IRQ(0),
75 	DEFINE_RES_IRQ(0),
76 	DEFINE_RES_IRQ(0),
77 };
78 
79 static struct platform_device scif1_device = {
80 	.name		= "sh-sci",
81 	.id		= 1,
82 	.resource	= scif1_resources,
83 	.num_resources	= ARRAY_SIZE(scif1_resources),
84 	.dev		= {
85 		.platform_data	= &scif1_platform_data,
86 	},
87 };
88 
89 static struct plat_sci_port scif2_platform_data = {
90 	.flags		= UPF_BOOT_AUTOCONF,
91 	.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE | SCSCR_CKE1,
92 	.type		= PORT_SCIF,
93 	.regtype	= SCIx_SH4_SCIF_FIFODATA_REGTYPE,
94 };
95 
96 static struct resource scif2_resources[] = {
97 	DEFINE_RES_MEM(0xffec0000, 0x100),
98 	DEFINE_RES_IRQ(evt2irq(0x840)),
99 };
100 
101 static struct platform_device scif2_device = {
102 	.name		= "sh-sci",
103 	.id		= 2,
104 	.resource	= scif2_resources,
105 	.num_resources	= ARRAY_SIZE(scif2_resources),
106 	.dev		= {
107 		.platform_data	= &scif2_platform_data,
108 	},
109 };
110 
111 static struct plat_sci_port scif3_platform_data = {
112 	.flags		= UPF_BOOT_AUTOCONF,
113 	.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE | SCSCR_CKE1,
114 	.type		= PORT_SCIF,
115 	.regtype	= SCIx_SH4_SCIF_FIFODATA_REGTYPE,
116 };
117 
118 static struct resource scif3_resources[] = {
119 	DEFINE_RES_MEM(0xffed0000, 0x100),
120 	DEFINE_RES_IRQ(evt2irq(0x860)),
121 };
122 
123 static struct platform_device scif3_device = {
124 	.name		= "sh-sci",
125 	.id		= 3,
126 	.resource	= scif3_resources,
127 	.num_resources	= ARRAY_SIZE(scif3_resources),
128 	.dev		= {
129 		.platform_data	= &scif3_platform_data,
130 	},
131 };
132 
133 static struct plat_sci_port scif4_platform_data = {
134 	.flags		= UPF_BOOT_AUTOCONF,
135 	.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE | SCSCR_CKE1,
136 	.type		= PORT_SCIF,
137 	.regtype	= SCIx_SH4_SCIF_FIFODATA_REGTYPE,
138 };
139 
140 static struct resource scif4_resources[] = {
141 	DEFINE_RES_MEM(0xffee0000, 0x100),
142 	DEFINE_RES_IRQ(evt2irq(0x880)),
143 };
144 
145 static struct platform_device scif4_device = {
146 	.name		= "sh-sci",
147 	.id		= 4,
148 	.resource	= scif4_resources,
149 	.num_resources	= ARRAY_SIZE(scif4_resources),
150 	.dev		= {
151 		.platform_data	= &scif4_platform_data,
152 	},
153 };
154 
155 static struct plat_sci_port scif5_platform_data = {
156 	.flags		= UPF_BOOT_AUTOCONF,
157 	.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE | SCSCR_CKE1,
158 	.type		= PORT_SCIF,
159 	.regtype	= SCIx_SH4_SCIF_FIFODATA_REGTYPE,
160 };
161 
162 static struct resource scif5_resources[] = {
163 	DEFINE_RES_MEM(0xffef0000, 0x100),
164 	DEFINE_RES_IRQ(evt2irq(0x8a0)),
165 };
166 
167 static struct platform_device scif5_device = {
168 	.name		= "sh-sci",
169 	.id		= 5,
170 	.resource	= scif5_resources,
171 	.num_resources	= ARRAY_SIZE(scif5_resources),
172 	.dev		= {
173 		.platform_data	= &scif5_platform_data,
174 	},
175 };
176 
177 static struct sh_timer_config tmu0_platform_data = {
178 	.channels_mask = 7,
179 };
180 
181 static struct resource tmu0_resources[] = {
182 	DEFINE_RES_MEM(0xffd80000, 0x30),
183 	DEFINE_RES_IRQ(evt2irq(0x400)),
184 	DEFINE_RES_IRQ(evt2irq(0x420)),
185 	DEFINE_RES_IRQ(evt2irq(0x440)),
186 };
187 
188 static struct platform_device tmu0_device = {
189 	.name		= "sh-tmu",
190 	.id		= 0,
191 	.dev = {
192 		.platform_data	= &tmu0_platform_data,
193 	},
194 	.resource	= tmu0_resources,
195 	.num_resources	= ARRAY_SIZE(tmu0_resources),
196 };
197 
198 static struct sh_timer_config tmu1_platform_data = {
199 	.channels_mask = 7,
200 };
201 
202 static struct resource tmu1_resources[] = {
203 	DEFINE_RES_MEM(0xffda0000, 0x2c),
204 	DEFINE_RES_IRQ(evt2irq(0x480)),
205 	DEFINE_RES_IRQ(evt2irq(0x4a0)),
206 	DEFINE_RES_IRQ(evt2irq(0x4c0)),
207 };
208 
209 static struct platform_device tmu1_device = {
210 	.name		= "sh-tmu",
211 	.id		= 1,
212 	.dev = {
213 		.platform_data	= &tmu1_platform_data,
214 	},
215 	.resource	= tmu1_resources,
216 	.num_resources	= ARRAY_SIZE(tmu1_resources),
217 };
218 
219 static struct sh_timer_config tmu2_platform_data = {
220 	.channels_mask = 7,
221 };
222 
223 static struct resource tmu2_resources[] = {
224 	DEFINE_RES_MEM(0xffdc0000, 0x2c),
225 	DEFINE_RES_IRQ(evt2irq(0x7a0)),
226 	DEFINE_RES_IRQ(evt2irq(0x7a0)),
227 	DEFINE_RES_IRQ(evt2irq(0x7a0)),
228 };
229 
230 static struct platform_device tmu2_device = {
231 	.name		= "sh-tmu",
232 	.id		= 2,
233 	.dev = {
234 		.platform_data	= &tmu2_platform_data,
235 	},
236 	.resource	= tmu2_resources,
237 	.num_resources	= ARRAY_SIZE(tmu2_resources),
238 };
239 
240 static struct sh_timer_config tmu3_platform_data = {
241 	.channels_mask = 7,
242 };
243 
244 static struct resource tmu3_resources[] = {
245 	DEFINE_RES_MEM(0xffde0000, 0x2c),
246 	DEFINE_RES_IRQ(evt2irq(0x7c0)),
247 	DEFINE_RES_IRQ(evt2irq(0x7c0)),
248 	DEFINE_RES_IRQ(evt2irq(0x7c0)),
249 };
250 
251 static struct platform_device tmu3_device = {
252 	.name		= "sh-tmu",
253 	.id		= 3,
254 	.dev = {
255 		.platform_data	= &tmu3_platform_data,
256 	},
257 	.resource	= tmu3_resources,
258 	.num_resources	= ARRAY_SIZE(tmu3_resources),
259 };
260 
261 static const struct sh_dmae_channel dmac0_channels[] = {
262 	{
263 		.offset = 0,
264 		.dmars = 0,
265 		.dmars_bit = 0,
266 	}, {
267 		.offset = 0x10,
268 		.dmars = 0,
269 		.dmars_bit = 8,
270 	}, {
271 		.offset = 0x20,
272 		.dmars = 4,
273 		.dmars_bit = 0,
274 	}, {
275 		.offset = 0x30,
276 		.dmars = 4,
277 		.dmars_bit = 8,
278 	}, {
279 		.offset = 0x50,
280 		.dmars = 8,
281 		.dmars_bit = 0,
282 	}, {
283 		.offset = 0x60,
284 		.dmars = 8,
285 		.dmars_bit = 8,
286 	}
287 };
288 
289 static const unsigned int ts_shift[] = TS_SHIFT;
290 
291 static struct sh_dmae_pdata dma0_platform_data = {
292 	.channel	= dmac0_channels,
293 	.channel_num	= ARRAY_SIZE(dmac0_channels),
294 	.ts_low_shift	= CHCR_TS_LOW_SHIFT,
295 	.ts_low_mask	= CHCR_TS_LOW_MASK,
296 	.ts_high_shift	= CHCR_TS_HIGH_SHIFT,
297 	.ts_high_mask	= CHCR_TS_HIGH_MASK,
298 	.ts_shift	= ts_shift,
299 	.ts_shift_num	= ARRAY_SIZE(ts_shift),
300 	.dmaor_init	= DMAOR_INIT,
301 };
302 
303 /* Resource order important! */
304 static struct resource dmac0_resources[] = {
305 	{
306 		/* Channel registers and DMAOR */
307 		.start	= 0xfe008020,
308 		.end	= 0xfe00808f,
309 		.flags	= IORESOURCE_MEM,
310 	}, {
311 		/* DMARSx */
312 		.start	= 0xfe009000,
313 		.end	= 0xfe00900b,
314 		.flags	= IORESOURCE_MEM,
315 	}, {
316 		.name	= "error_irq",
317 		.start	= evt2irq(0x5c0),
318 		.end	= evt2irq(0x5c0),
319 		.flags	= IORESOURCE_IRQ,
320 	}, {
321 		/* IRQ for channels 0-5 */
322 		.start	= evt2irq(0x500),
323 		.end	= evt2irq(0x5a0),
324 		.flags	= IORESOURCE_IRQ,
325 	},
326 };
327 
328 static struct platform_device dma0_device = {
329 	.name		= "sh-dma-engine",
330 	.id		= 0,
331 	.resource	= dmac0_resources,
332 	.num_resources	= ARRAY_SIZE(dmac0_resources),
333 	.dev		= {
334 		.platform_data	= &dma0_platform_data,
335 	},
336 };
337 
338 #define USB_EHCI_START 0xffe70000
339 #define USB_OHCI_START 0xffe70400
340 
341 static struct resource usb_ehci_resources[] = {
342 	[0] = {
343 		.start	= USB_EHCI_START,
344 		.end	= USB_EHCI_START + 0x3ff,
345 		.flags	= IORESOURCE_MEM,
346 	},
347 	[1] = {
348 		.start	= evt2irq(0xba0),
349 		.end	= evt2irq(0xba0),
350 		.flags	= IORESOURCE_IRQ,
351 	},
352 };
353 
354 static struct platform_device usb_ehci_device = {
355 	.name		= "sh_ehci",
356 	.id		= -1,
357 	.dev = {
358 		.dma_mask		= &usb_ehci_device.dev.coherent_dma_mask,
359 		.coherent_dma_mask	= DMA_BIT_MASK(32),
360 	},
361 	.num_resources	= ARRAY_SIZE(usb_ehci_resources),
362 	.resource	= usb_ehci_resources,
363 };
364 
365 static struct resource usb_ohci_resources[] = {
366 	[0] = {
367 		.start	= USB_OHCI_START,
368 		.end	= USB_OHCI_START + 0x3ff,
369 		.flags	= IORESOURCE_MEM,
370 	},
371 	[1] = {
372 		.start	= evt2irq(0xba0),
373 		.end	= evt2irq(0xba0),
374 		.flags	= IORESOURCE_IRQ,
375 	},
376 };
377 
378 static struct usb_ohci_pdata usb_ohci_pdata;
379 
380 static struct platform_device usb_ohci_device = {
381 	.name		= "ohci-platform",
382 	.id		= -1,
383 	.dev = {
384 		.dma_mask		= &usb_ohci_device.dev.coherent_dma_mask,
385 		.coherent_dma_mask	= DMA_BIT_MASK(32),
386 		.platform_data		= &usb_ohci_pdata,
387 	},
388 	.num_resources	= ARRAY_SIZE(usb_ohci_resources),
389 	.resource	= usb_ohci_resources,
390 };
391 
392 static struct platform_device *sh7786_early_devices[] __initdata = {
393 	&scif0_device,
394 	&scif1_device,
395 	&scif2_device,
396 	&scif3_device,
397 	&scif4_device,
398 	&scif5_device,
399 	&tmu0_device,
400 	&tmu1_device,
401 	&tmu2_device,
402 };
403 
404 static struct platform_device *sh7786_devices[] __initdata = {
405 	&dma0_device,
406 	&usb_ehci_device,
407 	&usb_ohci_device,
408 };
409 
410 /*
411  * Please call this function if your platform board
412  * use external clock for USB
413  * */
414 #define USBCTL0		0xffe70858
415 #define CLOCK_MODE_MASK 0xffffff7f
416 #define EXT_CLOCK_MODE  0x00000080
417 
418 void __init sh7786_usb_use_exclock(void)
419 {
420 	u32 val = __raw_readl(USBCTL0) & CLOCK_MODE_MASK;
421 	__raw_writel(val | EXT_CLOCK_MODE, USBCTL0);
422 }
423 
424 #define USBINITREG1	0xffe70094
425 #define USBINITREG2	0xffe7009c
426 #define USBINITVAL1	0x00ff0040
427 #define USBINITVAL2	0x00000001
428 
429 #define USBPCTL1	0xffe70804
430 #define USBST		0xffe70808
431 #define PHY_ENB		0x00000001
432 #define PLL_ENB		0x00000002
433 #define PHY_RST		0x00000004
434 #define ACT_PLL_STATUS	0xc0000000
435 
436 static void __init sh7786_usb_setup(void)
437 {
438 	int i = 1000000;
439 
440 	/*
441 	 * USB initial settings
442 	 *
443 	 * The following settings are necessary
444 	 * for using the USB modules.
445 	 *
446 	 * see "USB Initial Settings" for detail
447 	 */
448 	__raw_writel(USBINITVAL1, USBINITREG1);
449 	__raw_writel(USBINITVAL2, USBINITREG2);
450 
451 	/*
452 	 * Set the PHY and PLL enable bit
453 	 */
454 	__raw_writel(PHY_ENB | PLL_ENB, USBPCTL1);
455 	while (i--) {
456 		if (ACT_PLL_STATUS == (__raw_readl(USBST) & ACT_PLL_STATUS)) {
457 			/* Set the PHY RST bit */
458 			__raw_writel(PHY_ENB | PLL_ENB | PHY_RST, USBPCTL1);
459 			printk(KERN_INFO "sh7786 usb setup done\n");
460 			break;
461 		}
462 		cpu_relax();
463 	}
464 }
465 
466 enum {
467 	UNUSED = 0,
468 
469 	/* interrupt sources */
470 	IRL0_LLLL, IRL0_LLLH, IRL0_LLHL, IRL0_LLHH,
471 	IRL0_LHLL, IRL0_LHLH, IRL0_LHHL, IRL0_LHHH,
472 	IRL0_HLLL, IRL0_HLLH, IRL0_HLHL, IRL0_HLHH,
473 	IRL0_HHLL, IRL0_HHLH, IRL0_HHHL,
474 
475 	IRL4_LLLL, IRL4_LLLH, IRL4_LLHL, IRL4_LLHH,
476 	IRL4_LHLL, IRL4_LHLH, IRL4_LHHL, IRL4_LHHH,
477 	IRL4_HLLL, IRL4_HLLH, IRL4_HLHL, IRL4_HLHH,
478 	IRL4_HHLL, IRL4_HHLH, IRL4_HHHL,
479 
480 	IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7,
481 	WDT,
482 	TMU0_0, TMU0_1, TMU0_2, TMU0_3,
483 	TMU1_0, TMU1_1, TMU1_2,
484 	DMAC0_0, DMAC0_1, DMAC0_2, DMAC0_3, DMAC0_4, DMAC0_5, DMAC0_6,
485 	HUDI1, HUDI0,
486 	DMAC1_0, DMAC1_1, DMAC1_2, DMAC1_3,
487 	HPB_0, HPB_1, HPB_2,
488 	SCIF0_0, SCIF0_1, SCIF0_2, SCIF0_3,
489 	SCIF1,
490 	TMU2, TMU3,
491 	SCIF2, SCIF3, SCIF4, SCIF5,
492 	Eth_0, Eth_1,
493 	PCIeC0_0, PCIeC0_1, PCIeC0_2,
494 	PCIeC1_0, PCIeC1_1, PCIeC1_2,
495 	USB,
496 	I2C0, I2C1,
497 	DU,
498 	SSI0, SSI1, SSI2, SSI3,
499 	PCIeC2_0, PCIeC2_1, PCIeC2_2,
500 	HAC0, HAC1,
501 	FLCTL,
502 	HSPI,
503 	GPIO0, GPIO1,
504 	Thermal,
505 	INTICI0, INTICI1, INTICI2, INTICI3,
506 	INTICI4, INTICI5, INTICI6, INTICI7,
507 
508 	/* Muxed sub-events */
509 	TXI1, BRI1, RXI1, ERI1,
510 };
511 
512 static struct intc_vect sh7786_vectors[] __initdata = {
513 	INTC_VECT(WDT, 0x3e0),
514 	INTC_VECT(TMU0_0, 0x400), INTC_VECT(TMU0_1, 0x420),
515 	INTC_VECT(TMU0_2, 0x440), INTC_VECT(TMU0_3, 0x460),
516 	INTC_VECT(TMU1_0, 0x480), INTC_VECT(TMU1_1, 0x4a0),
517 	INTC_VECT(TMU1_2, 0x4c0),
518 	INTC_VECT(DMAC0_0, 0x500), INTC_VECT(DMAC0_1, 0x520),
519 	INTC_VECT(DMAC0_2, 0x540), INTC_VECT(DMAC0_3, 0x560),
520 	INTC_VECT(DMAC0_4, 0x580), INTC_VECT(DMAC0_5, 0x5a0),
521 	INTC_VECT(DMAC0_6, 0x5c0),
522 	INTC_VECT(HUDI1, 0x5e0), INTC_VECT(HUDI0, 0x600),
523 	INTC_VECT(DMAC1_0, 0x620), INTC_VECT(DMAC1_1, 0x640),
524 	INTC_VECT(DMAC1_2, 0x660), INTC_VECT(DMAC1_3, 0x680),
525 	INTC_VECT(HPB_0, 0x6a0), INTC_VECT(HPB_1, 0x6c0),
526 	INTC_VECT(HPB_2, 0x6e0),
527 	INTC_VECT(SCIF0_0, 0x700), INTC_VECT(SCIF0_1, 0x720),
528 	INTC_VECT(SCIF0_2, 0x740), INTC_VECT(SCIF0_3, 0x760),
529 	INTC_VECT(SCIF1, 0x780),
530 	INTC_VECT(TMU2, 0x7a0), INTC_VECT(TMU3, 0x7c0),
531 	INTC_VECT(SCIF2, 0x840), INTC_VECT(SCIF3, 0x860),
532 	INTC_VECT(SCIF4, 0x880), INTC_VECT(SCIF5, 0x8a0),
533 	INTC_VECT(Eth_0, 0x8c0), INTC_VECT(Eth_1, 0x8e0),
534 	INTC_VECT(PCIeC0_0, 0xae0), INTC_VECT(PCIeC0_1, 0xb00),
535 	INTC_VECT(PCIeC0_2, 0xb20),
536 	INTC_VECT(PCIeC1_0, 0xb40), INTC_VECT(PCIeC1_1, 0xb60),
537 	INTC_VECT(PCIeC1_2, 0xb80),
538 	INTC_VECT(USB, 0xba0),
539 	INTC_VECT(I2C0, 0xcc0), INTC_VECT(I2C1, 0xce0),
540 	INTC_VECT(DU, 0xd00),
541 	INTC_VECT(SSI0, 0xd20), INTC_VECT(SSI1, 0xd40),
542 	INTC_VECT(SSI2, 0xd60), INTC_VECT(SSI3, 0xd80),
543 	INTC_VECT(PCIeC2_0, 0xda0), INTC_VECT(PCIeC2_1, 0xdc0),
544 	INTC_VECT(PCIeC2_2, 0xde0),
545 	INTC_VECT(HAC0, 0xe00), INTC_VECT(HAC1, 0xe20),
546 	INTC_VECT(FLCTL, 0xe40),
547 	INTC_VECT(HSPI, 0xe80),
548 	INTC_VECT(GPIO0, 0xea0), INTC_VECT(GPIO1, 0xec0),
549 	INTC_VECT(Thermal, 0xee0),
550 	INTC_VECT(INTICI0, 0xf00), INTC_VECT(INTICI1, 0xf20),
551 	INTC_VECT(INTICI2, 0xf40), INTC_VECT(INTICI3, 0xf60),
552 	INTC_VECT(INTICI4, 0xf80), INTC_VECT(INTICI5, 0xfa0),
553 	INTC_VECT(INTICI6, 0xfc0), INTC_VECT(INTICI7, 0xfe0),
554 };
555 
556 #define CnINTMSK0	0xfe410030
557 #define CnINTMSK1	0xfe410040
558 #define CnINTMSKCLR0	0xfe410050
559 #define CnINTMSKCLR1	0xfe410060
560 #define CnINT2MSKR0	0xfe410a20
561 #define CnINT2MSKR1	0xfe410a24
562 #define CnINT2MSKR2	0xfe410a28
563 #define CnINT2MSKR3	0xfe410a2c
564 #define CnINT2MSKCR0	0xfe410a30
565 #define CnINT2MSKCR1	0xfe410a34
566 #define CnINT2MSKCR2	0xfe410a38
567 #define CnINT2MSKCR3	0xfe410a3c
568 #define INTMSK2		0xfe410068
569 #define INTMSKCLR2	0xfe41006c
570 
571 #define INTDISTCR0	0xfe4100b0
572 #define INTDISTCR1	0xfe4100b4
573 #define INT2DISTCR0	0xfe410900
574 #define INT2DISTCR1	0xfe410904
575 #define INT2DISTCR2	0xfe410908
576 #define INT2DISTCR3	0xfe41090c
577 
578 static struct intc_mask_reg sh7786_mask_registers[] __initdata = {
579 	{ CnINTMSK0, CnINTMSKCLR0, 32,
580 	  { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 },
581 	    INTC_SMP_BALANCING(INTDISTCR0) },
582 	{ INTMSK2, INTMSKCLR2, 32,
583 	  { IRL0_LLLL, IRL0_LLLH, IRL0_LLHL, IRL0_LLHH,
584 	    IRL0_LHLL, IRL0_LHLH, IRL0_LHHL, IRL0_LHHH,
585 	    IRL0_HLLL, IRL0_HLLH, IRL0_HLHL, IRL0_HLHH,
586 	    IRL0_HHLL, IRL0_HHLH, IRL0_HHHL, 0,
587 	    IRL4_LLLL, IRL4_LLLH, IRL4_LLHL, IRL4_LLHH,
588 	    IRL4_LHLL, IRL4_LHLH, IRL4_LHHL, IRL4_LHHH,
589 	    IRL4_HLLL, IRL4_HLLH, IRL4_HLHL, IRL4_HLHH,
590 	    IRL4_HHLL, IRL4_HHLH, IRL4_HHHL, 0, } },
591 	{ CnINT2MSKR0, CnINT2MSKCR0 , 32,
592 	  { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
593 	    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, WDT },
594 	    INTC_SMP_BALANCING(INT2DISTCR0) },
595 	{ CnINT2MSKR1, CnINT2MSKCR1, 32,
596 	  { TMU0_0, TMU0_1, TMU0_2, TMU0_3, TMU1_0, TMU1_1, TMU1_2, 0,
597 	    DMAC0_0, DMAC0_1, DMAC0_2, DMAC0_3, DMAC0_4, DMAC0_5, DMAC0_6,
598 	    HUDI1, HUDI0,
599 	    DMAC1_0, DMAC1_1, DMAC1_2, DMAC1_3,
600 	    HPB_0, HPB_1, HPB_2,
601 	    SCIF0_0, SCIF0_1, SCIF0_2, SCIF0_3,
602 	    SCIF1,
603 	    TMU2, TMU3, 0, }, INTC_SMP_BALANCING(INT2DISTCR1) },
604 	{ CnINT2MSKR2, CnINT2MSKCR2, 32,
605 	  { 0, 0, SCIF2, SCIF3, SCIF4, SCIF5,
606 	    Eth_0, Eth_1,
607 	    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
608 	    PCIeC0_0, PCIeC0_1, PCIeC0_2,
609 	    PCIeC1_0, PCIeC1_1, PCIeC1_2,
610 	    USB, 0, 0 }, INTC_SMP_BALANCING(INT2DISTCR2) },
611 	{ CnINT2MSKR3, CnINT2MSKCR3, 32,
612 	  { 0, 0, 0, 0, 0, 0,
613 	    I2C0, I2C1,
614 	    DU, SSI0, SSI1, SSI2, SSI3,
615 	    PCIeC2_0, PCIeC2_1, PCIeC2_2,
616 	    HAC0, HAC1,
617 	    FLCTL, 0,
618 	    HSPI, GPIO0, GPIO1, Thermal,
619 	    0, 0, 0, 0, 0, 0, 0, 0 }, INTC_SMP_BALANCING(INT2DISTCR3) },
620 };
621 
622 static struct intc_prio_reg sh7786_prio_registers[] __initdata = {
623 	{ 0xfe410010, 0, 32, 4, /* INTPRI */   { IRQ0, IRQ1, IRQ2, IRQ3,
624 						 IRQ4, IRQ5, IRQ6, IRQ7 } },
625 	{ 0xfe410800, 0, 32, 8, /* INT2PRI0 */ { 0, 0, 0, WDT } },
626 	{ 0xfe410804, 0, 32, 8, /* INT2PRI1 */ { TMU0_0, TMU0_1,
627 						 TMU0_2, TMU0_3 } },
628 	{ 0xfe410808, 0, 32, 8, /* INT2PRI2 */ { TMU1_0, TMU1_1,
629 						 TMU1_2, 0 } },
630 	{ 0xfe41080c, 0, 32, 8, /* INT2PRI3 */ { DMAC0_0, DMAC0_1,
631 						 DMAC0_2, DMAC0_3 } },
632 	{ 0xfe410810, 0, 32, 8, /* INT2PRI4 */ { DMAC0_4, DMAC0_5,
633 						 DMAC0_6, HUDI1 } },
634 	{ 0xfe410814, 0, 32, 8, /* INT2PRI5 */ { HUDI0, DMAC1_0,
635 						 DMAC1_1, DMAC1_2 } },
636 	{ 0xfe410818, 0, 32, 8, /* INT2PRI6 */ { DMAC1_3, HPB_0,
637 						 HPB_1, HPB_2 } },
638 	{ 0xfe41081c, 0, 32, 8, /* INT2PRI7 */ { SCIF0_0, SCIF0_1,
639 						 SCIF0_2, SCIF0_3 } },
640 	{ 0xfe410820, 0, 32, 8, /* INT2PRI8 */ { SCIF1, TMU2, TMU3, 0 } },
641 	{ 0xfe410824, 0, 32, 8, /* INT2PRI9 */ { 0, 0, SCIF2, SCIF3 } },
642 	{ 0xfe410828, 0, 32, 8, /* INT2PRI10 */ { SCIF4, SCIF5,
643 						  Eth_0, Eth_1 } },
644 	{ 0xfe41082c, 0, 32, 8, /* INT2PRI11 */ { 0, 0, 0, 0 } },
645 	{ 0xfe410830, 0, 32, 8, /* INT2PRI12 */ { 0, 0, 0, 0 } },
646 	{ 0xfe410834, 0, 32, 8, /* INT2PRI13 */ { 0, 0, 0, 0 } },
647 	{ 0xfe410838, 0, 32, 8, /* INT2PRI14 */ { 0, 0, 0, PCIeC0_0 } },
648 	{ 0xfe41083c, 0, 32, 8, /* INT2PRI15 */ { PCIeC0_1, PCIeC0_2,
649 						  PCIeC1_0, PCIeC1_1 } },
650 	{ 0xfe410840, 0, 32, 8, /* INT2PRI16 */ { PCIeC1_2, USB, 0, 0 } },
651 	{ 0xfe410844, 0, 32, 8, /* INT2PRI17 */ { 0, 0, 0, 0 } },
652 	{ 0xfe410848, 0, 32, 8, /* INT2PRI18 */ { 0, 0, I2C0, I2C1 } },
653 	{ 0xfe41084c, 0, 32, 8, /* INT2PRI19 */ { DU, SSI0, SSI1, SSI2 } },
654 	{ 0xfe410850, 0, 32, 8, /* INT2PRI20 */ { SSI3, PCIeC2_0,
655 						  PCIeC2_1, PCIeC2_2 } },
656 	{ 0xfe410854, 0, 32, 8, /* INT2PRI21 */ { HAC0, HAC1, FLCTL, 0 } },
657 	{ 0xfe410858, 0, 32, 8, /* INT2PRI22 */ { HSPI, GPIO0,
658 						  GPIO1, Thermal } },
659 	{ 0xfe41085c, 0, 32, 8, /* INT2PRI23 */ { 0, 0, 0, 0 } },
660 	{ 0xfe410860, 0, 32, 8, /* INT2PRI24 */ { 0, 0, 0, 0 } },
661 	{ 0xfe410090, 0xfe4100a0, 32, 4, /* CnICIPRI / CnICIPRICLR */
662 	  { INTICI7, INTICI6, INTICI5, INTICI4,
663 	    INTICI3, INTICI2, INTICI1, INTICI0 }, INTC_SMP(4, 2) },
664 };
665 
666 static struct intc_subgroup sh7786_subgroups[] __initdata = {
667 	{ 0xfe410c20, 32, SCIF1,
668 	  { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
669 	    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, TXI1, BRI1, RXI1, ERI1 } },
670 };
671 
672 static struct intc_desc sh7786_intc_desc __initdata = {
673 	.name		= "sh7786",
674 	.hw		= {
675 		.vectors	= sh7786_vectors,
676 		.nr_vectors	= ARRAY_SIZE(sh7786_vectors),
677 		.mask_regs	= sh7786_mask_registers,
678 		.nr_mask_regs	= ARRAY_SIZE(sh7786_mask_registers),
679 		.subgroups	= sh7786_subgroups,
680 		.nr_subgroups	= ARRAY_SIZE(sh7786_subgroups),
681 		.prio_regs	= sh7786_prio_registers,
682 		.nr_prio_regs	= ARRAY_SIZE(sh7786_prio_registers),
683 	},
684 };
685 
686 /* Support for external interrupt pins in IRQ mode */
687 static struct intc_vect vectors_irq0123[] __initdata = {
688 	INTC_VECT(IRQ0, 0x200), INTC_VECT(IRQ1, 0x240),
689 	INTC_VECT(IRQ2, 0x280), INTC_VECT(IRQ3, 0x2c0),
690 };
691 
692 static struct intc_vect vectors_irq4567[] __initdata = {
693 	INTC_VECT(IRQ4, 0x300), INTC_VECT(IRQ5, 0x340),
694 	INTC_VECT(IRQ6, 0x380), INTC_VECT(IRQ7, 0x3c0),
695 };
696 
697 static struct intc_sense_reg sh7786_sense_registers[] __initdata = {
698 	{ 0xfe41001c, 32, 2, /* ICR1 */   { IRQ0, IRQ1, IRQ2, IRQ3,
699 					    IRQ4, IRQ5, IRQ6, IRQ7 } },
700 };
701 
702 static struct intc_mask_reg sh7786_ack_registers[] __initdata = {
703 	{ 0xfe410024, 0, 32, /* INTREQ */
704 	  { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } },
705 };
706 
707 static DECLARE_INTC_DESC_ACK(intc_desc_irq0123, "sh7786-irq0123",
708 			     vectors_irq0123, NULL, sh7786_mask_registers,
709 			     sh7786_prio_registers, sh7786_sense_registers,
710 			     sh7786_ack_registers);
711 
712 static DECLARE_INTC_DESC_ACK(intc_desc_irq4567, "sh7786-irq4567",
713 			     vectors_irq4567, NULL, sh7786_mask_registers,
714 			     sh7786_prio_registers, sh7786_sense_registers,
715 			     sh7786_ack_registers);
716 
717 /* External interrupt pins in IRL mode */
718 
719 static struct intc_vect vectors_irl0123[] __initdata = {
720 	INTC_VECT(IRL0_LLLL, 0x200), INTC_VECT(IRL0_LLLH, 0x220),
721 	INTC_VECT(IRL0_LLHL, 0x240), INTC_VECT(IRL0_LLHH, 0x260),
722 	INTC_VECT(IRL0_LHLL, 0x280), INTC_VECT(IRL0_LHLH, 0x2a0),
723 	INTC_VECT(IRL0_LHHL, 0x2c0), INTC_VECT(IRL0_LHHH, 0x2e0),
724 	INTC_VECT(IRL0_HLLL, 0x300), INTC_VECT(IRL0_HLLH, 0x320),
725 	INTC_VECT(IRL0_HLHL, 0x340), INTC_VECT(IRL0_HLHH, 0x360),
726 	INTC_VECT(IRL0_HHLL, 0x380), INTC_VECT(IRL0_HHLH, 0x3a0),
727 	INTC_VECT(IRL0_HHHL, 0x3c0),
728 };
729 
730 static struct intc_vect vectors_irl4567[] __initdata = {
731 	INTC_VECT(IRL4_LLLL, 0x900), INTC_VECT(IRL4_LLLH, 0x920),
732 	INTC_VECT(IRL4_LLHL, 0x940), INTC_VECT(IRL4_LLHH, 0x960),
733 	INTC_VECT(IRL4_LHLL, 0x980), INTC_VECT(IRL4_LHLH, 0x9a0),
734 	INTC_VECT(IRL4_LHHL, 0x9c0), INTC_VECT(IRL4_LHHH, 0x9e0),
735 	INTC_VECT(IRL4_HLLL, 0xa00), INTC_VECT(IRL4_HLLH, 0xa20),
736 	INTC_VECT(IRL4_HLHL, 0xa40), INTC_VECT(IRL4_HLHH, 0xa60),
737 	INTC_VECT(IRL4_HHLL, 0xa80), INTC_VECT(IRL4_HHLH, 0xaa0),
738 	INTC_VECT(IRL4_HHHL, 0xac0),
739 };
740 
741 static DECLARE_INTC_DESC(intc_desc_irl0123, "sh7786-irl0123", vectors_irl0123,
742 			 NULL, sh7786_mask_registers, NULL, NULL);
743 
744 static DECLARE_INTC_DESC(intc_desc_irl4567, "sh7786-irl4567", vectors_irl4567,
745 			 NULL, sh7786_mask_registers, NULL, NULL);
746 
747 #define INTC_ICR0	0xfe410000
748 #define INTC_INTMSK0	CnINTMSK0
749 #define INTC_INTMSK1	CnINTMSK1
750 #define INTC_INTMSK2	INTMSK2
751 #define INTC_INTMSKCLR1	CnINTMSKCLR1
752 #define INTC_INTMSKCLR2	INTMSKCLR2
753 
754 void __init plat_irq_setup(void)
755 {
756 	/* disable IRQ3-0 + IRQ7-4 */
757 	__raw_writel(0xff000000, INTC_INTMSK0);
758 
759 	/* disable IRL3-0 + IRL7-4 */
760 	__raw_writel(0xc0000000, INTC_INTMSK1);
761 	__raw_writel(0xfffefffe, INTC_INTMSK2);
762 
763 	/* select IRL mode for IRL3-0 + IRL7-4 */
764 	__raw_writel(__raw_readl(INTC_ICR0) & ~0x00c00000, INTC_ICR0);
765 
766 	register_intc_controller(&sh7786_intc_desc);
767 }
768 
769 void __init plat_irq_setup_pins(int mode)
770 {
771 	switch (mode) {
772 	case IRQ_MODE_IRQ7654:
773 		/* select IRQ mode for IRL7-4 */
774 		__raw_writel(__raw_readl(INTC_ICR0) | 0x00400000, INTC_ICR0);
775 		register_intc_controller(&intc_desc_irq4567);
776 		break;
777 	case IRQ_MODE_IRQ3210:
778 		/* select IRQ mode for IRL3-0 */
779 		__raw_writel(__raw_readl(INTC_ICR0) | 0x00800000, INTC_ICR0);
780 		register_intc_controller(&intc_desc_irq0123);
781 		break;
782 	case IRQ_MODE_IRL7654:
783 		/* enable IRL7-4 but don't provide any masking */
784 		__raw_writel(0x40000000, INTC_INTMSKCLR1);
785 		__raw_writel(0x0000fffe, INTC_INTMSKCLR2);
786 		break;
787 	case IRQ_MODE_IRL3210:
788 		/* enable IRL0-3 but don't provide any masking */
789 		__raw_writel(0x80000000, INTC_INTMSKCLR1);
790 		__raw_writel(0xfffe0000, INTC_INTMSKCLR2);
791 		break;
792 	case IRQ_MODE_IRL7654_MASK:
793 		/* enable IRL7-4 and mask using cpu intc controller */
794 		__raw_writel(0x40000000, INTC_INTMSKCLR1);
795 		register_intc_controller(&intc_desc_irl4567);
796 		break;
797 	case IRQ_MODE_IRL3210_MASK:
798 		/* enable IRL0-3 and mask using cpu intc controller */
799 		__raw_writel(0x80000000, INTC_INTMSKCLR1);
800 		register_intc_controller(&intc_desc_irl0123);
801 		break;
802 	default:
803 		BUG();
804 	}
805 }
806 
807 void __init plat_mem_setup(void)
808 {
809 }
810 
811 static int __init sh7786_devices_setup(void)
812 {
813 	int ret, irq;
814 
815 	sh7786_usb_setup();
816 
817 	/*
818 	 * De-mux SCIF1 IRQs if possible
819 	 */
820 	irq = intc_irq_lookup(sh7786_intc_desc.name, TXI1);
821 	if (irq > 0) {
822 		scif1_demux_resources[1].start =
823 			intc_irq_lookup(sh7786_intc_desc.name, ERI1);
824 		scif1_demux_resources[2].start =
825 			intc_irq_lookup(sh7786_intc_desc.name, RXI1);
826 		scif1_demux_resources[3].start = irq;
827 		scif1_demux_resources[4].start =
828 			intc_irq_lookup(sh7786_intc_desc.name, BRI1);
829 
830 		scif1_device.resource = scif1_demux_resources;
831 		scif1_device.num_resources = ARRAY_SIZE(scif1_demux_resources);
832 	}
833 
834 	ret = platform_add_devices(sh7786_early_devices,
835 				   ARRAY_SIZE(sh7786_early_devices));
836 	if (unlikely(ret != 0))
837 		return ret;
838 
839 	return platform_add_devices(sh7786_devices,
840 				    ARRAY_SIZE(sh7786_devices));
841 }
842 arch_initcall(sh7786_devices_setup);
843 
844 void __init plat_early_device_setup(void)
845 {
846 	early_platform_add_devices(sh7786_early_devices,
847 				   ARRAY_SIZE(sh7786_early_devices));
848 }
849