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v3.15
 
  1/*
  2 * SH7780 Setup
  3 *
  4 *  Copyright (C) 2006  Paul Mundt
  5 *
  6 * This file is subject to the terms and conditions of the GNU General Public
  7 * License.  See the file "COPYING" in the main directory of this archive
  8 * for more details.
  9 */
 10#include <linux/platform_device.h>
 11#include <linux/init.h>
 12#include <linux/serial.h>
 13#include <linux/io.h>
 14#include <linux/serial_sci.h>
 15#include <linux/sh_dma.h>
 16#include <linux/sh_timer.h>
 17#include <linux/sh_intc.h>
 18#include <cpu/dma-register.h>
 
 19
 20static struct plat_sci_port scif0_platform_data = {
 21	.flags		= UPF_BOOT_AUTOCONF,
 22	.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE | SCSCR_CKE1,
 23	.type		= PORT_SCIF,
 24	.regtype	= SCIx_SH4_SCIF_FIFODATA_REGTYPE,
 25};
 26
 27static struct resource scif0_resources[] = {
 28	DEFINE_RES_MEM(0xffe00000, 0x100),
 29	DEFINE_RES_IRQ(evt2irq(0x700)),
 30};
 31
 32static struct platform_device scif0_device = {
 33	.name		= "sh-sci",
 34	.id		= 0,
 35	.resource	= scif0_resources,
 36	.num_resources	= ARRAY_SIZE(scif0_resources),
 37	.dev		= {
 38		.platform_data	= &scif0_platform_data,
 39	},
 40};
 41
 42static struct plat_sci_port scif1_platform_data = {
 43	.flags		= UPF_BOOT_AUTOCONF,
 44	.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_REIE | SCSCR_CKE1,
 45	.type		= PORT_SCIF,
 46	.regtype	= SCIx_SH4_SCIF_FIFODATA_REGTYPE,
 47};
 48
 49static struct resource scif1_resources[] = {
 50	DEFINE_RES_MEM(0xffe10000, 0x100),
 51	DEFINE_RES_IRQ(evt2irq(0xb80)),
 52};
 53
 54static struct platform_device scif1_device = {
 55	.name		= "sh-sci",
 56	.id		= 1,
 57	.resource	= scif1_resources,
 58	.num_resources	= ARRAY_SIZE(scif1_resources),
 59	.dev		= {
 60		.platform_data	= &scif1_platform_data,
 61	},
 62};
 63
 64static struct sh_timer_config tmu0_platform_data = {
 65	.channel_offset = 0x04,
 66	.timer_bit = 0,
 67	.clockevent_rating = 200,
 68};
 69
 70static struct resource tmu0_resources[] = {
 71	[0] = {
 72		.start	= 0xffd80008,
 73		.end	= 0xffd80013,
 74		.flags	= IORESOURCE_MEM,
 75	},
 76	[1] = {
 77		.start	= evt2irq(0x580),
 78		.flags	= IORESOURCE_IRQ,
 79	},
 80};
 81
 82static struct platform_device tmu0_device = {
 83	.name		= "sh_tmu",
 84	.id		= 0,
 85	.dev = {
 86		.platform_data	= &tmu0_platform_data,
 87	},
 88	.resource	= tmu0_resources,
 89	.num_resources	= ARRAY_SIZE(tmu0_resources),
 90};
 91
 92static struct sh_timer_config tmu1_platform_data = {
 93	.channel_offset = 0x10,
 94	.timer_bit = 1,
 95	.clocksource_rating = 200,
 96};
 97
 98static struct resource tmu1_resources[] = {
 99	[0] = {
100		.start	= 0xffd80014,
101		.end	= 0xffd8001f,
102		.flags	= IORESOURCE_MEM,
103	},
104	[1] = {
105		.start	= evt2irq(0x5a0),
106		.flags	= IORESOURCE_IRQ,
107	},
108};
109
110static struct platform_device tmu1_device = {
111	.name		= "sh_tmu",
112	.id		= 1,
113	.dev = {
114		.platform_data	= &tmu1_platform_data,
115	},
116	.resource	= tmu1_resources,
117	.num_resources	= ARRAY_SIZE(tmu1_resources),
118};
119
120static struct sh_timer_config tmu2_platform_data = {
121	.channel_offset = 0x1c,
122	.timer_bit = 2,
123};
124
125static struct resource tmu2_resources[] = {
126	[0] = {
127		.start	= 0xffd80020,
128		.end	= 0xffd8002f,
129		.flags	= IORESOURCE_MEM,
130	},
131	[1] = {
132		.start	= evt2irq(0x5c0),
133		.flags	= IORESOURCE_IRQ,
134	},
135};
136
137static struct platform_device tmu2_device = {
138	.name		= "sh_tmu",
139	.id		= 2,
140	.dev = {
141		.platform_data	= &tmu2_platform_data,
142	},
143	.resource	= tmu2_resources,
144	.num_resources	= ARRAY_SIZE(tmu2_resources),
145};
146
147static struct sh_timer_config tmu3_platform_data = {
148	.channel_offset = 0x04,
149	.timer_bit = 0,
150};
151
152static struct resource tmu3_resources[] = {
153	[0] = {
154		.start	= 0xffdc0008,
155		.end	= 0xffdc0013,
156		.flags	= IORESOURCE_MEM,
157	},
158	[1] = {
159		.start	= evt2irq(0xe00),
160		.flags	= IORESOURCE_IRQ,
161	},
162};
163
164static struct platform_device tmu3_device = {
165	.name		= "sh_tmu",
166	.id		= 3,
167	.dev = {
168		.platform_data	= &tmu3_platform_data,
169	},
170	.resource	= tmu3_resources,
171	.num_resources	= ARRAY_SIZE(tmu3_resources),
172};
173
174static struct sh_timer_config tmu4_platform_data = {
175	.channel_offset = 0x10,
176	.timer_bit = 1,
177};
178
179static struct resource tmu4_resources[] = {
180	[0] = {
181		.start	= 0xffdc0014,
182		.end	= 0xffdc001f,
183		.flags	= IORESOURCE_MEM,
184	},
185	[1] = {
186		.start	= evt2irq(0xe20),
187		.flags	= IORESOURCE_IRQ,
188	},
189};
190
191static struct platform_device tmu4_device = {
192	.name		= "sh_tmu",
193	.id		= 4,
194	.dev = {
195		.platform_data	= &tmu4_platform_data,
196	},
197	.resource	= tmu4_resources,
198	.num_resources	= ARRAY_SIZE(tmu4_resources),
199};
200
201static struct sh_timer_config tmu5_platform_data = {
202	.channel_offset = 0x1c,
203	.timer_bit = 2,
204};
205
206static struct resource tmu5_resources[] = {
207	[0] = {
208		.start	= 0xffdc0020,
209		.end	= 0xffdc002b,
210		.flags	= IORESOURCE_MEM,
211	},
212	[1] = {
213		.start	= evt2irq(0xe40),
214		.flags	= IORESOURCE_IRQ,
215	},
216};
217
218static struct platform_device tmu5_device = {
219	.name		= "sh_tmu",
220	.id		= 5,
221	.dev = {
222		.platform_data	= &tmu5_platform_data,
223	},
224	.resource	= tmu5_resources,
225	.num_resources	= ARRAY_SIZE(tmu5_resources),
226};
227
228static struct resource rtc_resources[] = {
229	[0] = {
230		.start	= 0xffe80000,
231		.end	= 0xffe80000 + 0x58 - 1,
232		.flags	= IORESOURCE_IO,
233	},
234	[1] = {
235		/* Shared Period/Carry/Alarm IRQ */
236		.start	= evt2irq(0x480),
237		.flags	= IORESOURCE_IRQ,
238	},
239};
240
241static struct platform_device rtc_device = {
242	.name		= "sh-rtc",
243	.id		= -1,
244	.num_resources	= ARRAY_SIZE(rtc_resources),
245	.resource	= rtc_resources,
246};
247
248/* DMA */
249static const struct sh_dmae_channel sh7780_dmae0_channels[] = {
250	{
251		.offset = 0,
252		.dmars = 0,
253		.dmars_bit = 0,
254	}, {
255		.offset = 0x10,
256		.dmars = 0,
257		.dmars_bit = 8,
258	}, {
259		.offset = 0x20,
260		.dmars = 4,
261		.dmars_bit = 0,
262	}, {
263		.offset = 0x30,
264		.dmars = 4,
265		.dmars_bit = 8,
266	}, {
267		.offset = 0x50,
268		.dmars = 8,
269		.dmars_bit = 0,
270	}, {
271		.offset = 0x60,
272		.dmars = 8,
273		.dmars_bit = 8,
274	}
275};
276
277static const struct sh_dmae_channel sh7780_dmae1_channels[] = {
278	{
279		.offset = 0,
280	}, {
281		.offset = 0x10,
282	}, {
283		.offset = 0x20,
284	}, {
285		.offset = 0x30,
286	}, {
287		.offset = 0x50,
288	}, {
289		.offset = 0x60,
290	}
291};
292
293static const unsigned int ts_shift[] = TS_SHIFT;
294
295static struct sh_dmae_pdata dma0_platform_data = {
296	.channel	= sh7780_dmae0_channels,
297	.channel_num	= ARRAY_SIZE(sh7780_dmae0_channels),
298	.ts_low_shift	= CHCR_TS_LOW_SHIFT,
299	.ts_low_mask	= CHCR_TS_LOW_MASK,
300	.ts_high_shift	= CHCR_TS_HIGH_SHIFT,
301	.ts_high_mask	= CHCR_TS_HIGH_MASK,
302	.ts_shift	= ts_shift,
303	.ts_shift_num	= ARRAY_SIZE(ts_shift),
304	.dmaor_init	= DMAOR_INIT,
305};
306
307static struct sh_dmae_pdata dma1_platform_data = {
308	.channel	= sh7780_dmae1_channels,
309	.channel_num	= ARRAY_SIZE(sh7780_dmae1_channels),
310	.ts_low_shift	= CHCR_TS_LOW_SHIFT,
311	.ts_low_mask	= CHCR_TS_LOW_MASK,
312	.ts_high_shift	= CHCR_TS_HIGH_SHIFT,
313	.ts_high_mask	= CHCR_TS_HIGH_MASK,
314	.ts_shift	= ts_shift,
315	.ts_shift_num	= ARRAY_SIZE(ts_shift),
316	.dmaor_init	= DMAOR_INIT,
317};
318
319static struct resource sh7780_dmae0_resources[] = {
320	[0] = {
321		/* Channel registers and DMAOR */
322		.start	= 0xfc808020,
323		.end	= 0xfc80808f,
324		.flags	= IORESOURCE_MEM,
325	},
326	[1] = {
327		/* DMARSx */
328		.start	= 0xfc809000,
329		.end	= 0xfc80900b,
330		.flags	= IORESOURCE_MEM,
331	},
332	{
333		/*
334		 * Real DMA error vector is 0x6c0, and channel
335		 * vectors are 0x640-0x6a0, 0x780-0x7a0
336		 */
337		.name	= "error_irq",
338		.start	= evt2irq(0x640),
339		.end	= evt2irq(0x640),
340		.flags	= IORESOURCE_IRQ | IORESOURCE_IRQ_SHAREABLE,
341	},
342};
343
344static struct resource sh7780_dmae1_resources[] = {
345	[0] = {
346		/* Channel registers and DMAOR */
347		.start	= 0xfc818020,
348		.end	= 0xfc81808f,
349		.flags	= IORESOURCE_MEM,
350	},
351	/* DMAC1 has no DMARS */
352	{
353		/*
354		 * Real DMA error vector is 0x6c0, and channel
355		 * vectors are 0x7c0-0x7e0, 0xd80-0xde0
356		 */
357		.name	= "error_irq",
358		.start	= evt2irq(0x7c0),
359		.end	= evt2irq(0x7c0),
360		.flags	= IORESOURCE_IRQ | IORESOURCE_IRQ_SHAREABLE,
361	},
362};
363
364static struct platform_device dma0_device = {
365	.name           = "sh-dma-engine",
366	.id             = 0,
367	.resource	= sh7780_dmae0_resources,
368	.num_resources	= ARRAY_SIZE(sh7780_dmae0_resources),
369	.dev            = {
370		.platform_data	= &dma0_platform_data,
371	},
372};
373
374static struct platform_device dma1_device = {
375	.name		= "sh-dma-engine",
376	.id		= 1,
377	.resource	= sh7780_dmae1_resources,
378	.num_resources	= ARRAY_SIZE(sh7780_dmae1_resources),
379	.dev		= {
380		.platform_data	= &dma1_platform_data,
381	},
382};
383
384static struct platform_device *sh7780_devices[] __initdata = {
385	&scif0_device,
386	&scif1_device,
387	&tmu0_device,
388	&tmu1_device,
389	&tmu2_device,
390	&tmu3_device,
391	&tmu4_device,
392	&tmu5_device,
393	&rtc_device,
394	&dma0_device,
395	&dma1_device,
396};
397
398static int __init sh7780_devices_setup(void)
399{
400	return platform_add_devices(sh7780_devices,
401				    ARRAY_SIZE(sh7780_devices));
402}
403arch_initcall(sh7780_devices_setup);
404
405static struct platform_device *sh7780_early_devices[] __initdata = {
406	&scif0_device,
407	&scif1_device,
408	&tmu0_device,
409	&tmu1_device,
410	&tmu2_device,
411	&tmu3_device,
412	&tmu4_device,
413	&tmu5_device,
414};
415
416void __init plat_early_device_setup(void)
417{
418	if (mach_is_sh2007()) {
419		scif0_platform_data.scscr &= ~SCSCR_CKE1;
420		scif1_platform_data.scscr &= ~SCSCR_CKE1;
421	}
422
423	early_platform_add_devices(sh7780_early_devices,
424				   ARRAY_SIZE(sh7780_early_devices));
425}
426
427enum {
428	UNUSED = 0,
429
430	/* interrupt sources */
431
432	IRL_LLLL, IRL_LLLH, IRL_LLHL, IRL_LLHH,
433	IRL_LHLL, IRL_LHLH, IRL_LHHL, IRL_LHHH,
434	IRL_HLLL, IRL_HLLH, IRL_HLHL, IRL_HLHH,
435	IRL_HHLL, IRL_HHLH, IRL_HHHL,
436
437	IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7,
438	RTC, WDT, TMU0, TMU1, TMU2, TMU2_TICPI,
439	HUDI, DMAC0, SCIF0, DMAC1, CMT, HAC,
440	PCISERR, PCIINTA, PCIINTB, PCIINTC, PCIINTD, PCIC5,
441	SCIF1, SIOF, HSPI, MMCIF, TMU3, TMU4, TMU5, SSI, FLCTL,	GPIO,
442
443	/* interrupt groups */
444
445	TMU012,	TMU345,
446};
447
448static struct intc_vect vectors[] __initdata = {
449	INTC_VECT(RTC, 0x480), INTC_VECT(RTC, 0x4a0),
450	INTC_VECT(RTC, 0x4c0),
451	INTC_VECT(WDT, 0x560),
452	INTC_VECT(TMU0, 0x580), INTC_VECT(TMU1, 0x5a0),
453	INTC_VECT(TMU2, 0x5c0), INTC_VECT(TMU2_TICPI, 0x5e0),
454	INTC_VECT(HUDI, 0x600),
455	INTC_VECT(DMAC0, 0x640), INTC_VECT(DMAC0, 0x660),
456	INTC_VECT(DMAC0, 0x680), INTC_VECT(DMAC0, 0x6a0),
457	INTC_VECT(DMAC0, 0x6c0),
458	INTC_VECT(SCIF0, 0x700), INTC_VECT(SCIF0, 0x720),
459	INTC_VECT(SCIF0, 0x740), INTC_VECT(SCIF0, 0x760),
460	INTC_VECT(DMAC0, 0x780), INTC_VECT(DMAC0, 0x7a0),
461	INTC_VECT(DMAC1, 0x7c0), INTC_VECT(DMAC1, 0x7e0),
462	INTC_VECT(CMT, 0x900), INTC_VECT(HAC, 0x980),
463	INTC_VECT(PCISERR, 0xa00), INTC_VECT(PCIINTA, 0xa20),
464	INTC_VECT(PCIINTB, 0xa40), INTC_VECT(PCIINTC, 0xa60),
465	INTC_VECT(PCIINTD, 0xa80), INTC_VECT(PCIC5, 0xaa0),
466	INTC_VECT(PCIC5, 0xac0), INTC_VECT(PCIC5, 0xae0),
467	INTC_VECT(PCIC5, 0xb00), INTC_VECT(PCIC5, 0xb20),
468	INTC_VECT(SCIF1, 0xb80), INTC_VECT(SCIF1, 0xba0),
469	INTC_VECT(SCIF1, 0xbc0), INTC_VECT(SCIF1, 0xbe0),
470	INTC_VECT(SIOF, 0xc00), INTC_VECT(HSPI, 0xc80),
471	INTC_VECT(MMCIF, 0xd00), INTC_VECT(MMCIF, 0xd20),
472	INTC_VECT(MMCIF, 0xd40), INTC_VECT(MMCIF, 0xd60),
473	INTC_VECT(DMAC1, 0xd80), INTC_VECT(DMAC1, 0xda0),
474	INTC_VECT(DMAC1, 0xdc0), INTC_VECT(DMAC1, 0xde0),
475	INTC_VECT(TMU3, 0xe00), INTC_VECT(TMU4, 0xe20),
476	INTC_VECT(TMU5, 0xe40),
477	INTC_VECT(SSI, 0xe80),
478	INTC_VECT(FLCTL, 0xf00), INTC_VECT(FLCTL, 0xf20),
479	INTC_VECT(FLCTL, 0xf40), INTC_VECT(FLCTL, 0xf60),
480	INTC_VECT(GPIO, 0xf80), INTC_VECT(GPIO, 0xfa0),
481	INTC_VECT(GPIO, 0xfc0), INTC_VECT(GPIO, 0xfe0),
482};
483
484static struct intc_group groups[] __initdata = {
485	INTC_GROUP(TMU012, TMU0, TMU1, TMU2, TMU2_TICPI),
486	INTC_GROUP(TMU345, TMU3, TMU4, TMU5),
487};
488
489static struct intc_mask_reg mask_registers[] __initdata = {
490	{ 0xffd40038, 0xffd4003c, 32, /* INT2MSKR / INT2MSKCR */
491	  { 0, 0, 0, 0, 0, 0, GPIO, FLCTL,
492	    SSI, MMCIF, HSPI, SIOF, PCIC5, PCIINTD, PCIINTC, PCIINTB,
493	    PCIINTA, PCISERR, HAC, CMT, 0, 0, DMAC1, DMAC0,
494	    HUDI, 0, WDT, SCIF1, SCIF0, RTC, TMU345, TMU012 } },
495};
496
497static struct intc_prio_reg prio_registers[] __initdata = {
498	{ 0xffd40000, 0, 32, 8, /* INT2PRI0 */ { TMU0, TMU1,
499						 TMU2, TMU2_TICPI } },
500	{ 0xffd40004, 0, 32, 8, /* INT2PRI1 */ { TMU3, TMU4, TMU5, RTC } },
501	{ 0xffd40008, 0, 32, 8, /* INT2PRI2 */ { SCIF0, SCIF1, WDT } },
502	{ 0xffd4000c, 0, 32, 8, /* INT2PRI3 */ { HUDI, DMAC0, DMAC1 } },
503	{ 0xffd40010, 0, 32, 8, /* INT2PRI4 */ { CMT, HAC,
504						 PCISERR, PCIINTA, } },
505	{ 0xffd40014, 0, 32, 8, /* INT2PRI5 */ { PCIINTB, PCIINTC,
506						 PCIINTD, PCIC5 } },
507	{ 0xffd40018, 0, 32, 8, /* INT2PRI6 */ { SIOF, HSPI, MMCIF, SSI } },
508	{ 0xffd4001c, 0, 32, 8, /* INT2PRI7 */ { FLCTL, GPIO } },
509};
510
511static DECLARE_INTC_DESC(intc_desc, "sh7780", vectors, groups,
512			 mask_registers, prio_registers, NULL);
513
514/* Support for external interrupt pins in IRQ mode */
515
516static struct intc_vect irq_vectors[] __initdata = {
517	INTC_VECT(IRQ0, 0x240), INTC_VECT(IRQ1, 0x280),
518	INTC_VECT(IRQ2, 0x2c0), INTC_VECT(IRQ3, 0x300),
519	INTC_VECT(IRQ4, 0x340), INTC_VECT(IRQ5, 0x380),
520	INTC_VECT(IRQ6, 0x3c0), INTC_VECT(IRQ7, 0x200),
521};
522
523static struct intc_mask_reg irq_mask_registers[] __initdata = {
524	{ 0xffd00044, 0xffd00064, 32, /* INTMSK0 / INTMSKCLR0 */
525	  { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } },
526};
527
528static struct intc_prio_reg irq_prio_registers[] __initdata = {
529	{ 0xffd00010, 0, 32, 4, /* INTPRI */ { IRQ0, IRQ1, IRQ2, IRQ3,
530					       IRQ4, IRQ5, IRQ6, IRQ7 } },
531};
532
533static struct intc_sense_reg irq_sense_registers[] __initdata = {
534	{ 0xffd0001c, 32, 2, /* ICR1 */   { IRQ0, IRQ1, IRQ2, IRQ3,
535					    IRQ4, IRQ5, IRQ6, IRQ7 } },
536};
537
538static struct intc_mask_reg irq_ack_registers[] __initdata = {
539	{ 0xffd00024, 0, 32, /* INTREQ */
540	  { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } },
541};
542
543static DECLARE_INTC_DESC_ACK(intc_irq_desc, "sh7780-irq", irq_vectors,
544			     NULL, irq_mask_registers, irq_prio_registers,
545			     irq_sense_registers, irq_ack_registers);
546
547/* External interrupt pins in IRL mode */
548
549static struct intc_vect irl_vectors[] __initdata = {
550	INTC_VECT(IRL_LLLL, 0x200), INTC_VECT(IRL_LLLH, 0x220),
551	INTC_VECT(IRL_LLHL, 0x240), INTC_VECT(IRL_LLHH, 0x260),
552	INTC_VECT(IRL_LHLL, 0x280), INTC_VECT(IRL_LHLH, 0x2a0),
553	INTC_VECT(IRL_LHHL, 0x2c0), INTC_VECT(IRL_LHHH, 0x2e0),
554	INTC_VECT(IRL_HLLL, 0x300), INTC_VECT(IRL_HLLH, 0x320),
555	INTC_VECT(IRL_HLHL, 0x340), INTC_VECT(IRL_HLHH, 0x360),
556	INTC_VECT(IRL_HHLL, 0x380), INTC_VECT(IRL_HHLH, 0x3a0),
557	INTC_VECT(IRL_HHHL, 0x3c0),
558};
559
560static struct intc_mask_reg irl3210_mask_registers[] __initdata = {
561	{ 0xffd40080, 0xffd40084, 32, /* INTMSK2 / INTMSKCLR2 */
562	  { IRL_LLLL, IRL_LLLH, IRL_LLHL, IRL_LLHH,
563	    IRL_LHLL, IRL_LHLH, IRL_LHHL, IRL_LHHH,
564	    IRL_HLLL, IRL_HLLH, IRL_HLHL, IRL_HLHH,
565	    IRL_HHLL, IRL_HHLH, IRL_HHHL, } },
566};
567
568static struct intc_mask_reg irl7654_mask_registers[] __initdata = {
569	{ 0xffd40080, 0xffd40084, 32, /* INTMSK2 / INTMSKCLR2 */
570	  { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
571	    IRL_LLLL, IRL_LLLH, IRL_LLHL, IRL_LLHH,
572	    IRL_LHLL, IRL_LHLH, IRL_LHHL, IRL_LHHH,
573	    IRL_HLLL, IRL_HLLH, IRL_HLHL, IRL_HLHH,
574	    IRL_HHLL, IRL_HHLH, IRL_HHHL, } },
575};
576
577static DECLARE_INTC_DESC(intc_irl7654_desc, "sh7780-irl7654", irl_vectors,
578			 NULL, irl7654_mask_registers, NULL, NULL);
579
580static DECLARE_INTC_DESC(intc_irl3210_desc, "sh7780-irl3210", irl_vectors,
581			 NULL, irl3210_mask_registers, NULL, NULL);
582
583#define INTC_ICR0	0xffd00000
584#define INTC_INTMSK0	0xffd00044
585#define INTC_INTMSK1	0xffd00048
586#define INTC_INTMSK2	0xffd40080
587#define INTC_INTMSKCLR1	0xffd00068
588#define INTC_INTMSKCLR2	0xffd40084
589
590void __init plat_irq_setup(void)
591{
592	/* disable IRQ7-0 */
593	__raw_writel(0xff000000, INTC_INTMSK0);
594
595	/* disable IRL3-0 + IRL7-4 */
596	__raw_writel(0xc0000000, INTC_INTMSK1);
597	__raw_writel(0xfffefffe, INTC_INTMSK2);
598
599	/* select IRL mode for IRL3-0 + IRL7-4 */
600	__raw_writel(__raw_readl(INTC_ICR0) & ~0x00c00000, INTC_ICR0);
601
602	/* disable holding function, ie enable "SH-4 Mode" */
603	__raw_writel(__raw_readl(INTC_ICR0) | 0x00200000, INTC_ICR0);
604
605	register_intc_controller(&intc_desc);
606}
607
608void __init plat_irq_setup_pins(int mode)
609{
610	switch (mode) {
611	case IRQ_MODE_IRQ:
612		/* select IRQ mode for IRL3-0 + IRL7-4 */
613		__raw_writel(__raw_readl(INTC_ICR0) | 0x00c00000, INTC_ICR0);
614		register_intc_controller(&intc_irq_desc);
615		break;
616	case IRQ_MODE_IRL7654:
617		/* enable IRL7-4 but don't provide any masking */
618		__raw_writel(0x40000000, INTC_INTMSKCLR1);
619		__raw_writel(0x0000fffe, INTC_INTMSKCLR2);
620		break;
621	case IRQ_MODE_IRL3210:
622		/* enable IRL0-3 but don't provide any masking */
623		__raw_writel(0x80000000, INTC_INTMSKCLR1);
624		__raw_writel(0xfffe0000, INTC_INTMSKCLR2);
625		break;
626	case IRQ_MODE_IRL7654_MASK:
627		/* enable IRL7-4 and mask using cpu intc controller */
628		__raw_writel(0x40000000, INTC_INTMSKCLR1);
629		register_intc_controller(&intc_irl7654_desc);
630		break;
631	case IRQ_MODE_IRL3210_MASK:
632		/* enable IRL0-3 and mask using cpu intc controller */
633		__raw_writel(0x80000000, INTC_INTMSKCLR1);
634		register_intc_controller(&intc_irl3210_desc);
635		break;
636	default:
637		BUG();
638	}
639}
v6.2
  1// SPDX-License-Identifier: GPL-2.0
  2/*
  3 * SH7780 Setup
  4 *
  5 *  Copyright (C) 2006  Paul Mundt
 
 
 
 
  6 */
  7#include <linux/platform_device.h>
  8#include <linux/init.h>
  9#include <linux/serial.h>
 10#include <linux/io.h>
 11#include <linux/serial_sci.h>
 12#include <linux/sh_dma.h>
 13#include <linux/sh_timer.h>
 14#include <linux/sh_intc.h>
 15#include <cpu/dma-register.h>
 16#include <asm/platform_early.h>
 17
 18static struct plat_sci_port scif0_platform_data = {
 19	.scscr		= SCSCR_REIE | SCSCR_CKE1,
 
 20	.type		= PORT_SCIF,
 21	.regtype	= SCIx_SH4_SCIF_FIFODATA_REGTYPE,
 22};
 23
 24static struct resource scif0_resources[] = {
 25	DEFINE_RES_MEM(0xffe00000, 0x100),
 26	DEFINE_RES_IRQ(evt2irq(0x700)),
 27};
 28
 29static struct platform_device scif0_device = {
 30	.name		= "sh-sci",
 31	.id		= 0,
 32	.resource	= scif0_resources,
 33	.num_resources	= ARRAY_SIZE(scif0_resources),
 34	.dev		= {
 35		.platform_data	= &scif0_platform_data,
 36	},
 37};
 38
 39static struct plat_sci_port scif1_platform_data = {
 40	.scscr		= SCSCR_REIE | SCSCR_CKE1,
 
 41	.type		= PORT_SCIF,
 42	.regtype	= SCIx_SH4_SCIF_FIFODATA_REGTYPE,
 43};
 44
 45static struct resource scif1_resources[] = {
 46	DEFINE_RES_MEM(0xffe10000, 0x100),
 47	DEFINE_RES_IRQ(evt2irq(0xb80)),
 48};
 49
 50static struct platform_device scif1_device = {
 51	.name		= "sh-sci",
 52	.id		= 1,
 53	.resource	= scif1_resources,
 54	.num_resources	= ARRAY_SIZE(scif1_resources),
 55	.dev		= {
 56		.platform_data	= &scif1_platform_data,
 57	},
 58};
 59
 60static struct sh_timer_config tmu0_platform_data = {
 61	.channels_mask = 7,
 
 
 62};
 63
 64static struct resource tmu0_resources[] = {
 65	DEFINE_RES_MEM(0xffd80000, 0x30),
 66	DEFINE_RES_IRQ(evt2irq(0x580)),
 67	DEFINE_RES_IRQ(evt2irq(0x5a0)),
 68	DEFINE_RES_IRQ(evt2irq(0x5c0)),
 
 
 
 
 
 69};
 70
 71static struct platform_device tmu0_device = {
 72	.name		= "sh-tmu",
 73	.id		= 0,
 74	.dev = {
 75		.platform_data	= &tmu0_platform_data,
 76	},
 77	.resource	= tmu0_resources,
 78	.num_resources	= ARRAY_SIZE(tmu0_resources),
 79};
 80
 81static struct sh_timer_config tmu1_platform_data = {
 82	.channels_mask = 7,
 
 
 83};
 84
 85static struct resource tmu1_resources[] = {
 86	DEFINE_RES_MEM(0xffdc0000, 0x2c),
 87	DEFINE_RES_IRQ(evt2irq(0xe00)),
 88	DEFINE_RES_IRQ(evt2irq(0xe20)),
 89	DEFINE_RES_IRQ(evt2irq(0xe40)),
 
 
 
 
 
 90};
 91
 92static struct platform_device tmu1_device = {
 93	.name		= "sh-tmu",
 94	.id		= 1,
 95	.dev = {
 96		.platform_data	= &tmu1_platform_data,
 97	},
 98	.resource	= tmu1_resources,
 99	.num_resources	= ARRAY_SIZE(tmu1_resources),
100};
101
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
102static struct resource rtc_resources[] = {
103	[0] = {
104		.start	= 0xffe80000,
105		.end	= 0xffe80000 + 0x58 - 1,
106		.flags	= IORESOURCE_IO,
107	},
108	[1] = {
109		/* Shared Period/Carry/Alarm IRQ */
110		.start	= evt2irq(0x480),
111		.flags	= IORESOURCE_IRQ,
112	},
113};
114
115static struct platform_device rtc_device = {
116	.name		= "sh-rtc",
117	.id		= -1,
118	.num_resources	= ARRAY_SIZE(rtc_resources),
119	.resource	= rtc_resources,
120};
121
122/* DMA */
123static const struct sh_dmae_channel sh7780_dmae0_channels[] = {
124	{
125		.offset = 0,
126		.dmars = 0,
127		.dmars_bit = 0,
128	}, {
129		.offset = 0x10,
130		.dmars = 0,
131		.dmars_bit = 8,
132	}, {
133		.offset = 0x20,
134		.dmars = 4,
135		.dmars_bit = 0,
136	}, {
137		.offset = 0x30,
138		.dmars = 4,
139		.dmars_bit = 8,
140	}, {
141		.offset = 0x50,
142		.dmars = 8,
143		.dmars_bit = 0,
144	}, {
145		.offset = 0x60,
146		.dmars = 8,
147		.dmars_bit = 8,
148	}
149};
150
151static const struct sh_dmae_channel sh7780_dmae1_channels[] = {
152	{
153		.offset = 0,
154	}, {
155		.offset = 0x10,
156	}, {
157		.offset = 0x20,
158	}, {
159		.offset = 0x30,
160	}, {
161		.offset = 0x50,
162	}, {
163		.offset = 0x60,
164	}
165};
166
167static const unsigned int ts_shift[] = TS_SHIFT;
168
169static struct sh_dmae_pdata dma0_platform_data = {
170	.channel	= sh7780_dmae0_channels,
171	.channel_num	= ARRAY_SIZE(sh7780_dmae0_channels),
172	.ts_low_shift	= CHCR_TS_LOW_SHIFT,
173	.ts_low_mask	= CHCR_TS_LOW_MASK,
174	.ts_high_shift	= CHCR_TS_HIGH_SHIFT,
175	.ts_high_mask	= CHCR_TS_HIGH_MASK,
176	.ts_shift	= ts_shift,
177	.ts_shift_num	= ARRAY_SIZE(ts_shift),
178	.dmaor_init	= DMAOR_INIT,
179};
180
181static struct sh_dmae_pdata dma1_platform_data = {
182	.channel	= sh7780_dmae1_channels,
183	.channel_num	= ARRAY_SIZE(sh7780_dmae1_channels),
184	.ts_low_shift	= CHCR_TS_LOW_SHIFT,
185	.ts_low_mask	= CHCR_TS_LOW_MASK,
186	.ts_high_shift	= CHCR_TS_HIGH_SHIFT,
187	.ts_high_mask	= CHCR_TS_HIGH_MASK,
188	.ts_shift	= ts_shift,
189	.ts_shift_num	= ARRAY_SIZE(ts_shift),
190	.dmaor_init	= DMAOR_INIT,
191};
192
193static struct resource sh7780_dmae0_resources[] = {
194	[0] = {
195		/* Channel registers and DMAOR */
196		.start	= 0xfc808020,
197		.end	= 0xfc80808f,
198		.flags	= IORESOURCE_MEM,
199	},
200	[1] = {
201		/* DMARSx */
202		.start	= 0xfc809000,
203		.end	= 0xfc80900b,
204		.flags	= IORESOURCE_MEM,
205	},
206	{
207		/*
208		 * Real DMA error vector is 0x6c0, and channel
209		 * vectors are 0x640-0x6a0, 0x780-0x7a0
210		 */
211		.name	= "error_irq",
212		.start	= evt2irq(0x640),
213		.end	= evt2irq(0x640),
214		.flags	= IORESOURCE_IRQ | IORESOURCE_IRQ_SHAREABLE,
215	},
216};
217
218static struct resource sh7780_dmae1_resources[] = {
219	[0] = {
220		/* Channel registers and DMAOR */
221		.start	= 0xfc818020,
222		.end	= 0xfc81808f,
223		.flags	= IORESOURCE_MEM,
224	},
225	/* DMAC1 has no DMARS */
226	{
227		/*
228		 * Real DMA error vector is 0x6c0, and channel
229		 * vectors are 0x7c0-0x7e0, 0xd80-0xde0
230		 */
231		.name	= "error_irq",
232		.start	= evt2irq(0x7c0),
233		.end	= evt2irq(0x7c0),
234		.flags	= IORESOURCE_IRQ | IORESOURCE_IRQ_SHAREABLE,
235	},
236};
237
238static struct platform_device dma0_device = {
239	.name           = "sh-dma-engine",
240	.id             = 0,
241	.resource	= sh7780_dmae0_resources,
242	.num_resources	= ARRAY_SIZE(sh7780_dmae0_resources),
243	.dev            = {
244		.platform_data	= &dma0_platform_data,
245	},
246};
247
248static struct platform_device dma1_device = {
249	.name		= "sh-dma-engine",
250	.id		= 1,
251	.resource	= sh7780_dmae1_resources,
252	.num_resources	= ARRAY_SIZE(sh7780_dmae1_resources),
253	.dev		= {
254		.platform_data	= &dma1_platform_data,
255	},
256};
257
258static struct platform_device *sh7780_devices[] __initdata = {
259	&scif0_device,
260	&scif1_device,
261	&tmu0_device,
262	&tmu1_device,
 
 
 
 
263	&rtc_device,
264	&dma0_device,
265	&dma1_device,
266};
267
268static int __init sh7780_devices_setup(void)
269{
270	return platform_add_devices(sh7780_devices,
271				    ARRAY_SIZE(sh7780_devices));
272}
273arch_initcall(sh7780_devices_setup);
274
275static struct platform_device *sh7780_early_devices[] __initdata = {
276	&scif0_device,
277	&scif1_device,
278	&tmu0_device,
279	&tmu1_device,
 
 
 
 
280};
281
282void __init plat_early_device_setup(void)
283{
284	if (mach_is_sh2007()) {
285		scif0_platform_data.scscr &= ~SCSCR_CKE1;
286		scif1_platform_data.scscr &= ~SCSCR_CKE1;
287	}
288
289	sh_early_platform_add_devices(sh7780_early_devices,
290				   ARRAY_SIZE(sh7780_early_devices));
291}
292
293enum {
294	UNUSED = 0,
295
296	/* interrupt sources */
297
298	IRL_LLLL, IRL_LLLH, IRL_LLHL, IRL_LLHH,
299	IRL_LHLL, IRL_LHLH, IRL_LHHL, IRL_LHHH,
300	IRL_HLLL, IRL_HLLH, IRL_HLHL, IRL_HLHH,
301	IRL_HHLL, IRL_HHLH, IRL_HHHL,
302
303	IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7,
304	RTC, WDT, TMU0, TMU1, TMU2, TMU2_TICPI,
305	HUDI, DMAC0, SCIF0, DMAC1, CMT, HAC,
306	PCISERR, PCIINTA, PCIINTB, PCIINTC, PCIINTD, PCIC5,
307	SCIF1, SIOF, HSPI, MMCIF, TMU3, TMU4, TMU5, SSI, FLCTL,	GPIO,
308
309	/* interrupt groups */
310
311	TMU012,	TMU345,
312};
313
314static struct intc_vect vectors[] __initdata = {
315	INTC_VECT(RTC, 0x480), INTC_VECT(RTC, 0x4a0),
316	INTC_VECT(RTC, 0x4c0),
317	INTC_VECT(WDT, 0x560),
318	INTC_VECT(TMU0, 0x580), INTC_VECT(TMU1, 0x5a0),
319	INTC_VECT(TMU2, 0x5c0), INTC_VECT(TMU2_TICPI, 0x5e0),
320	INTC_VECT(HUDI, 0x600),
321	INTC_VECT(DMAC0, 0x640), INTC_VECT(DMAC0, 0x660),
322	INTC_VECT(DMAC0, 0x680), INTC_VECT(DMAC0, 0x6a0),
323	INTC_VECT(DMAC0, 0x6c0),
324	INTC_VECT(SCIF0, 0x700), INTC_VECT(SCIF0, 0x720),
325	INTC_VECT(SCIF0, 0x740), INTC_VECT(SCIF0, 0x760),
326	INTC_VECT(DMAC0, 0x780), INTC_VECT(DMAC0, 0x7a0),
327	INTC_VECT(DMAC1, 0x7c0), INTC_VECT(DMAC1, 0x7e0),
328	INTC_VECT(CMT, 0x900), INTC_VECT(HAC, 0x980),
329	INTC_VECT(PCISERR, 0xa00), INTC_VECT(PCIINTA, 0xa20),
330	INTC_VECT(PCIINTB, 0xa40), INTC_VECT(PCIINTC, 0xa60),
331	INTC_VECT(PCIINTD, 0xa80), INTC_VECT(PCIC5, 0xaa0),
332	INTC_VECT(PCIC5, 0xac0), INTC_VECT(PCIC5, 0xae0),
333	INTC_VECT(PCIC5, 0xb00), INTC_VECT(PCIC5, 0xb20),
334	INTC_VECT(SCIF1, 0xb80), INTC_VECT(SCIF1, 0xba0),
335	INTC_VECT(SCIF1, 0xbc0), INTC_VECT(SCIF1, 0xbe0),
336	INTC_VECT(SIOF, 0xc00), INTC_VECT(HSPI, 0xc80),
337	INTC_VECT(MMCIF, 0xd00), INTC_VECT(MMCIF, 0xd20),
338	INTC_VECT(MMCIF, 0xd40), INTC_VECT(MMCIF, 0xd60),
339	INTC_VECT(DMAC1, 0xd80), INTC_VECT(DMAC1, 0xda0),
340	INTC_VECT(DMAC1, 0xdc0), INTC_VECT(DMAC1, 0xde0),
341	INTC_VECT(TMU3, 0xe00), INTC_VECT(TMU4, 0xe20),
342	INTC_VECT(TMU5, 0xe40),
343	INTC_VECT(SSI, 0xe80),
344	INTC_VECT(FLCTL, 0xf00), INTC_VECT(FLCTL, 0xf20),
345	INTC_VECT(FLCTL, 0xf40), INTC_VECT(FLCTL, 0xf60),
346	INTC_VECT(GPIO, 0xf80), INTC_VECT(GPIO, 0xfa0),
347	INTC_VECT(GPIO, 0xfc0), INTC_VECT(GPIO, 0xfe0),
348};
349
350static struct intc_group groups[] __initdata = {
351	INTC_GROUP(TMU012, TMU0, TMU1, TMU2, TMU2_TICPI),
352	INTC_GROUP(TMU345, TMU3, TMU4, TMU5),
353};
354
355static struct intc_mask_reg mask_registers[] __initdata = {
356	{ 0xffd40038, 0xffd4003c, 32, /* INT2MSKR / INT2MSKCR */
357	  { 0, 0, 0, 0, 0, 0, GPIO, FLCTL,
358	    SSI, MMCIF, HSPI, SIOF, PCIC5, PCIINTD, PCIINTC, PCIINTB,
359	    PCIINTA, PCISERR, HAC, CMT, 0, 0, DMAC1, DMAC0,
360	    HUDI, 0, WDT, SCIF1, SCIF0, RTC, TMU345, TMU012 } },
361};
362
363static struct intc_prio_reg prio_registers[] __initdata = {
364	{ 0xffd40000, 0, 32, 8, /* INT2PRI0 */ { TMU0, TMU1,
365						 TMU2, TMU2_TICPI } },
366	{ 0xffd40004, 0, 32, 8, /* INT2PRI1 */ { TMU3, TMU4, TMU5, RTC } },
367	{ 0xffd40008, 0, 32, 8, /* INT2PRI2 */ { SCIF0, SCIF1, WDT } },
368	{ 0xffd4000c, 0, 32, 8, /* INT2PRI3 */ { HUDI, DMAC0, DMAC1 } },
369	{ 0xffd40010, 0, 32, 8, /* INT2PRI4 */ { CMT, HAC,
370						 PCISERR, PCIINTA, } },
371	{ 0xffd40014, 0, 32, 8, /* INT2PRI5 */ { PCIINTB, PCIINTC,
372						 PCIINTD, PCIC5 } },
373	{ 0xffd40018, 0, 32, 8, /* INT2PRI6 */ { SIOF, HSPI, MMCIF, SSI } },
374	{ 0xffd4001c, 0, 32, 8, /* INT2PRI7 */ { FLCTL, GPIO } },
375};
376
377static DECLARE_INTC_DESC(intc_desc, "sh7780", vectors, groups,
378			 mask_registers, prio_registers, NULL);
379
380/* Support for external interrupt pins in IRQ mode */
381
382static struct intc_vect irq_vectors[] __initdata = {
383	INTC_VECT(IRQ0, 0x240), INTC_VECT(IRQ1, 0x280),
384	INTC_VECT(IRQ2, 0x2c0), INTC_VECT(IRQ3, 0x300),
385	INTC_VECT(IRQ4, 0x340), INTC_VECT(IRQ5, 0x380),
386	INTC_VECT(IRQ6, 0x3c0), INTC_VECT(IRQ7, 0x200),
387};
388
389static struct intc_mask_reg irq_mask_registers[] __initdata = {
390	{ 0xffd00044, 0xffd00064, 32, /* INTMSK0 / INTMSKCLR0 */
391	  { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } },
392};
393
394static struct intc_prio_reg irq_prio_registers[] __initdata = {
395	{ 0xffd00010, 0, 32, 4, /* INTPRI */ { IRQ0, IRQ1, IRQ2, IRQ3,
396					       IRQ4, IRQ5, IRQ6, IRQ7 } },
397};
398
399static struct intc_sense_reg irq_sense_registers[] __initdata = {
400	{ 0xffd0001c, 32, 2, /* ICR1 */   { IRQ0, IRQ1, IRQ2, IRQ3,
401					    IRQ4, IRQ5, IRQ6, IRQ7 } },
402};
403
404static struct intc_mask_reg irq_ack_registers[] __initdata = {
405	{ 0xffd00024, 0, 32, /* INTREQ */
406	  { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } },
407};
408
409static DECLARE_INTC_DESC_ACK(intc_irq_desc, "sh7780-irq", irq_vectors,
410			     NULL, irq_mask_registers, irq_prio_registers,
411			     irq_sense_registers, irq_ack_registers);
412
413/* External interrupt pins in IRL mode */
414
415static struct intc_vect irl_vectors[] __initdata = {
416	INTC_VECT(IRL_LLLL, 0x200), INTC_VECT(IRL_LLLH, 0x220),
417	INTC_VECT(IRL_LLHL, 0x240), INTC_VECT(IRL_LLHH, 0x260),
418	INTC_VECT(IRL_LHLL, 0x280), INTC_VECT(IRL_LHLH, 0x2a0),
419	INTC_VECT(IRL_LHHL, 0x2c0), INTC_VECT(IRL_LHHH, 0x2e0),
420	INTC_VECT(IRL_HLLL, 0x300), INTC_VECT(IRL_HLLH, 0x320),
421	INTC_VECT(IRL_HLHL, 0x340), INTC_VECT(IRL_HLHH, 0x360),
422	INTC_VECT(IRL_HHLL, 0x380), INTC_VECT(IRL_HHLH, 0x3a0),
423	INTC_VECT(IRL_HHHL, 0x3c0),
424};
425
426static struct intc_mask_reg irl3210_mask_registers[] __initdata = {
427	{ 0xffd40080, 0xffd40084, 32, /* INTMSK2 / INTMSKCLR2 */
428	  { IRL_LLLL, IRL_LLLH, IRL_LLHL, IRL_LLHH,
429	    IRL_LHLL, IRL_LHLH, IRL_LHHL, IRL_LHHH,
430	    IRL_HLLL, IRL_HLLH, IRL_HLHL, IRL_HLHH,
431	    IRL_HHLL, IRL_HHLH, IRL_HHHL, } },
432};
433
434static struct intc_mask_reg irl7654_mask_registers[] __initdata = {
435	{ 0xffd40080, 0xffd40084, 32, /* INTMSK2 / INTMSKCLR2 */
436	  { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
437	    IRL_LLLL, IRL_LLLH, IRL_LLHL, IRL_LLHH,
438	    IRL_LHLL, IRL_LHLH, IRL_LHHL, IRL_LHHH,
439	    IRL_HLLL, IRL_HLLH, IRL_HLHL, IRL_HLHH,
440	    IRL_HHLL, IRL_HHLH, IRL_HHHL, } },
441};
442
443static DECLARE_INTC_DESC(intc_irl7654_desc, "sh7780-irl7654", irl_vectors,
444			 NULL, irl7654_mask_registers, NULL, NULL);
445
446static DECLARE_INTC_DESC(intc_irl3210_desc, "sh7780-irl3210", irl_vectors,
447			 NULL, irl3210_mask_registers, NULL, NULL);
448
449#define INTC_ICR0	0xffd00000
450#define INTC_INTMSK0	0xffd00044
451#define INTC_INTMSK1	0xffd00048
452#define INTC_INTMSK2	0xffd40080
453#define INTC_INTMSKCLR1	0xffd00068
454#define INTC_INTMSKCLR2	0xffd40084
455
456void __init plat_irq_setup(void)
457{
458	/* disable IRQ7-0 */
459	__raw_writel(0xff000000, INTC_INTMSK0);
460
461	/* disable IRL3-0 + IRL7-4 */
462	__raw_writel(0xc0000000, INTC_INTMSK1);
463	__raw_writel(0xfffefffe, INTC_INTMSK2);
464
465	/* select IRL mode for IRL3-0 + IRL7-4 */
466	__raw_writel(__raw_readl(INTC_ICR0) & ~0x00c00000, INTC_ICR0);
467
468	/* disable holding function, ie enable "SH-4 Mode" */
469	__raw_writel(__raw_readl(INTC_ICR0) | 0x00200000, INTC_ICR0);
470
471	register_intc_controller(&intc_desc);
472}
473
474void __init plat_irq_setup_pins(int mode)
475{
476	switch (mode) {
477	case IRQ_MODE_IRQ:
478		/* select IRQ mode for IRL3-0 + IRL7-4 */
479		__raw_writel(__raw_readl(INTC_ICR0) | 0x00c00000, INTC_ICR0);
480		register_intc_controller(&intc_irq_desc);
481		break;
482	case IRQ_MODE_IRL7654:
483		/* enable IRL7-4 but don't provide any masking */
484		__raw_writel(0x40000000, INTC_INTMSKCLR1);
485		__raw_writel(0x0000fffe, INTC_INTMSKCLR2);
486		break;
487	case IRQ_MODE_IRL3210:
488		/* enable IRL0-3 but don't provide any masking */
489		__raw_writel(0x80000000, INTC_INTMSKCLR1);
490		__raw_writel(0xfffe0000, INTC_INTMSKCLR2);
491		break;
492	case IRQ_MODE_IRL7654_MASK:
493		/* enable IRL7-4 and mask using cpu intc controller */
494		__raw_writel(0x40000000, INTC_INTMSKCLR1);
495		register_intc_controller(&intc_irl7654_desc);
496		break;
497	case IRQ_MODE_IRL3210_MASK:
498		/* enable IRL0-3 and mask using cpu intc controller */
499		__raw_writel(0x80000000, INTC_INTMSKCLR1);
500		register_intc_controller(&intc_irl3210_desc);
501		break;
502	default:
503		BUG();
504	}
505}