1 /*
2  * SH7763 Setup
3  *
4  *  Copyright (C) 2006  Paul Mundt
5  *  Copyright (C) 2007  Yoshihiro Shimoda
6  *  Copyright (C) 2008, 2009  Nobuhiro Iwamatsu
7  *
8  * This file is subject to the terms and conditions of the GNU General Public
9  * License.  See the file "COPYING" in the main directory of this archive
10  * for more details.
11  */
12 #include <linux/platform_device.h>
13 #include <linux/init.h>
14 #include <linux/serial.h>
15 #include <linux/sh_timer.h>
16 #include <linux/io.h>
17 #include <linux/serial_sci.h>
18 
19 static struct resource rtc_resources[] = {
20 	[0] = {
21 		.start	= 0xffe80000,
22 		.end	= 0xffe80000 + 0x58 - 1,
23 		.flags	= IORESOURCE_IO,
24 	},
25 	[1] = {
26 		/* Shared Period/Carry/Alarm IRQ */
27 		.start  = 20,
28 		.flags	= IORESOURCE_IRQ,
29 	},
30 };
31 
32 static struct platform_device rtc_device = {
33 	.name		= "sh-rtc",
34 	.id		= -1,
35 	.num_resources	= ARRAY_SIZE(rtc_resources),
36 	.resource	= rtc_resources,
37 };
38 
39 static struct plat_sci_port sci_platform_data[] = {
40 	{
41 		.mapbase	= 0xffe00000,
42 		.flags		= UPF_BOOT_AUTOCONF,
43 		.type		= PORT_SCIF,
44 		.irqs		= { 40, 40, 40, 40 },
45 	}, {
46 		.mapbase	= 0xffe08000,
47 		.flags		= UPF_BOOT_AUTOCONF,
48 		.type		= PORT_SCIF,
49 		.irqs		= { 76, 76, 76, 76 },
50 	}, {
51 		.mapbase	= 0xffe10000,
52 		.flags		= UPF_BOOT_AUTOCONF,
53 		.type		= PORT_SCIF,
54 		.irqs		= { 104, 104, 104, 104 },
55 	}, {
56 		.flags = 0,
57 	}
58 };
59 
60 static struct platform_device sci_device = {
61 	.name		= "sh-sci",
62 	.id		= -1,
63 	.dev		= {
64 		.platform_data	= sci_platform_data,
65 	},
66 };
67 
68 static struct resource usb_ohci_resources[] = {
69 	[0] = {
70 		.start	= 0xffec8000,
71 		.end	= 0xffec80ff,
72 		.flags	= IORESOURCE_MEM,
73 	},
74 	[1] = {
75 		.start	= 83,
76 		.end	= 83,
77 		.flags	= IORESOURCE_IRQ,
78 	},
79 };
80 
81 static u64 usb_ohci_dma_mask = 0xffffffffUL;
82 static struct platform_device usb_ohci_device = {
83 	.name		= "sh_ohci",
84 	.id		= -1,
85 	.dev = {
86 		.dma_mask		= &usb_ohci_dma_mask,
87 		.coherent_dma_mask	= 0xffffffff,
88 	},
89 	.num_resources	= ARRAY_SIZE(usb_ohci_resources),
90 	.resource	= usb_ohci_resources,
91 };
92 
93 static struct resource usbf_resources[] = {
94 	[0] = {
95 		.start	= 0xffec0000,
96 		.end	= 0xffec00ff,
97 		.flags	= IORESOURCE_MEM,
98 	},
99 	[1] = {
100 		.start	= 84,
101 		.end	= 84,
102 		.flags	= IORESOURCE_IRQ,
103 	},
104 };
105 
106 static struct platform_device usbf_device = {
107 	.name		= "sh_udc",
108 	.id		= -1,
109 	.dev = {
110 		.dma_mask		= NULL,
111 		.coherent_dma_mask	= 0xffffffff,
112 	},
113 	.num_resources	= ARRAY_SIZE(usbf_resources),
114 	.resource	= usbf_resources,
115 };
116 
117 static struct sh_timer_config tmu0_platform_data = {
118 	.name = "TMU0",
119 	.channel_offset = 0x04,
120 	.timer_bit = 0,
121 	.clk = "peripheral_clk",
122 	.clockevent_rating = 200,
123 };
124 
125 static struct resource tmu0_resources[] = {
126 	[0] = {
127 		.name	= "TMU0",
128 		.start	= 0xffd80008,
129 		.end	= 0xffd80013,
130 		.flags	= IORESOURCE_MEM,
131 	},
132 	[1] = {
133 		.start	= 28,
134 		.flags	= IORESOURCE_IRQ,
135 	},
136 };
137 
138 static struct platform_device tmu0_device = {
139 	.name		= "sh_tmu",
140 	.id		= 0,
141 	.dev = {
142 		.platform_data	= &tmu0_platform_data,
143 	},
144 	.resource	= tmu0_resources,
145 	.num_resources	= ARRAY_SIZE(tmu0_resources),
146 };
147 
148 static struct sh_timer_config tmu1_platform_data = {
149 	.name = "TMU1",
150 	.channel_offset = 0x10,
151 	.timer_bit = 1,
152 	.clk = "peripheral_clk",
153 	.clocksource_rating = 200,
154 };
155 
156 static struct resource tmu1_resources[] = {
157 	[0] = {
158 		.name	= "TMU1",
159 		.start	= 0xffd80014,
160 		.end	= 0xffd8001f,
161 		.flags	= IORESOURCE_MEM,
162 	},
163 	[1] = {
164 		.start	= 29,
165 		.flags	= IORESOURCE_IRQ,
166 	},
167 };
168 
169 static struct platform_device tmu1_device = {
170 	.name		= "sh_tmu",
171 	.id		= 1,
172 	.dev = {
173 		.platform_data	= &tmu1_platform_data,
174 	},
175 	.resource	= tmu1_resources,
176 	.num_resources	= ARRAY_SIZE(tmu1_resources),
177 };
178 
179 static struct sh_timer_config tmu2_platform_data = {
180 	.name = "TMU2",
181 	.channel_offset = 0x1c,
182 	.timer_bit = 2,
183 	.clk = "peripheral_clk",
184 };
185 
186 static struct resource tmu2_resources[] = {
187 	[0] = {
188 		.name	= "TMU2",
189 		.start	= 0xffd80020,
190 		.end	= 0xffd8002f,
191 		.flags	= IORESOURCE_MEM,
192 	},
193 	[1] = {
194 		.start	= 30,
195 		.flags	= IORESOURCE_IRQ,
196 	},
197 };
198 
199 static struct platform_device tmu2_device = {
200 	.name		= "sh_tmu",
201 	.id		= 2,
202 	.dev = {
203 		.platform_data	= &tmu2_platform_data,
204 	},
205 	.resource	= tmu2_resources,
206 	.num_resources	= ARRAY_SIZE(tmu2_resources),
207 };
208 
209 static struct sh_timer_config tmu3_platform_data = {
210 	.name = "TMU3",
211 	.channel_offset = 0x04,
212 	.timer_bit = 0,
213 	.clk = "peripheral_clk",
214 };
215 
216 static struct resource tmu3_resources[] = {
217 	[0] = {
218 		.name	= "TMU3",
219 		.start	= 0xffd88008,
220 		.end	= 0xffd88013,
221 		.flags	= IORESOURCE_MEM,
222 	},
223 	[1] = {
224 		.start	= 96,
225 		.flags	= IORESOURCE_IRQ,
226 	},
227 };
228 
229 static struct platform_device tmu3_device = {
230 	.name		= "sh_tmu",
231 	.id		= 3,
232 	.dev = {
233 		.platform_data	= &tmu3_platform_data,
234 	},
235 	.resource	= tmu3_resources,
236 	.num_resources	= ARRAY_SIZE(tmu3_resources),
237 };
238 
239 static struct sh_timer_config tmu4_platform_data = {
240 	.name = "TMU4",
241 	.channel_offset = 0x10,
242 	.timer_bit = 1,
243 	.clk = "peripheral_clk",
244 };
245 
246 static struct resource tmu4_resources[] = {
247 	[0] = {
248 		.name	= "TMU4",
249 		.start	= 0xffd88014,
250 		.end	= 0xffd8801f,
251 		.flags	= IORESOURCE_MEM,
252 	},
253 	[1] = {
254 		.start	= 97,
255 		.flags	= IORESOURCE_IRQ,
256 	},
257 };
258 
259 static struct platform_device tmu4_device = {
260 	.name		= "sh_tmu",
261 	.id		= 4,
262 	.dev = {
263 		.platform_data	= &tmu4_platform_data,
264 	},
265 	.resource	= tmu4_resources,
266 	.num_resources	= ARRAY_SIZE(tmu4_resources),
267 };
268 
269 static struct sh_timer_config tmu5_platform_data = {
270 	.name = "TMU5",
271 	.channel_offset = 0x1c,
272 	.timer_bit = 2,
273 	.clk = "peripheral_clk",
274 };
275 
276 static struct resource tmu5_resources[] = {
277 	[0] = {
278 		.name	= "TMU5",
279 		.start	= 0xffd88020,
280 		.end	= 0xffd8802b,
281 		.flags	= IORESOURCE_MEM,
282 	},
283 	[1] = {
284 		.start	= 98,
285 		.flags	= IORESOURCE_IRQ,
286 	},
287 };
288 
289 static struct platform_device tmu5_device = {
290 	.name		= "sh_tmu",
291 	.id		= 5,
292 	.dev = {
293 		.platform_data	= &tmu5_platform_data,
294 	},
295 	.resource	= tmu5_resources,
296 	.num_resources	= ARRAY_SIZE(tmu5_resources),
297 };
298 
299 static struct platform_device *sh7763_devices[] __initdata = {
300 	&tmu0_device,
301 	&tmu1_device,
302 	&tmu2_device,
303 	&tmu3_device,
304 	&tmu4_device,
305 	&tmu5_device,
306 	&rtc_device,
307 	&sci_device,
308 	&usb_ohci_device,
309 	&usbf_device,
310 };
311 
312 static int __init sh7763_devices_setup(void)
313 {
314 	return platform_add_devices(sh7763_devices,
315 				    ARRAY_SIZE(sh7763_devices));
316 }
317 arch_initcall(sh7763_devices_setup);
318 
319 static struct platform_device *sh7763_early_devices[] __initdata = {
320 	&tmu0_device,
321 	&tmu1_device,
322 	&tmu2_device,
323 	&tmu3_device,
324 	&tmu4_device,
325 	&tmu5_device,
326 };
327 
328 void __init plat_early_device_setup(void)
329 {
330 	early_platform_add_devices(sh7763_early_devices,
331 				   ARRAY_SIZE(sh7763_early_devices));
332 }
333 
334 enum {
335 	UNUSED = 0,
336 
337 	/* interrupt sources */
338 
339 	IRL_LLLL, IRL_LLLH, IRL_LLHL, IRL_LLHH,
340 	IRL_LHLL, IRL_LHLH, IRL_LHHL, IRL_LHHH,
341 	IRL_HLLL, IRL_HLLH, IRL_HLHL, IRL_HLHH,
342 	IRL_HHLL, IRL_HHLH, IRL_HHHL,
343 
344 	IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7,
345 	RTC, WDT, TMU0, TMU1, TMU2, TMU2_TICPI,
346 	HUDI, LCDC, DMAC, SCIF0, IIC0, IIC1, CMT, GETHER, HAC,
347 	PCISERR, PCIINTA, PCIINTB, PCIINTC, PCIINTD, PCIC5,
348 	STIF0, STIF1, SCIF1, SIOF0, SIOF1, SIOF2,
349 	USBH, USBF, TPU, PCC, MMCIF, SIM,
350 	TMU3, TMU4, TMU5, ADC, SSI0, SSI1, SSI2, SSI3,
351 	SCIF2, GPIO,
352 
353 	/* interrupt groups */
354 
355 	TMU012, TMU345,
356 };
357 
358 static struct intc_vect vectors[] __initdata = {
359 	INTC_VECT(RTC, 0x480), INTC_VECT(RTC, 0x4a0),
360 	INTC_VECT(RTC, 0x4c0),
361 	INTC_VECT(WDT, 0x560), INTC_VECT(TMU0, 0x580),
362 	INTC_VECT(TMU1, 0x5a0), INTC_VECT(TMU2, 0x5c0),
363 	INTC_VECT(TMU2_TICPI, 0x5e0), INTC_VECT(HUDI, 0x600),
364 	INTC_VECT(LCDC, 0x620),
365 	INTC_VECT(DMAC, 0x640), INTC_VECT(DMAC, 0x660),
366 	INTC_VECT(DMAC, 0x680), INTC_VECT(DMAC, 0x6a0),
367 	INTC_VECT(DMAC, 0x6c0),
368 	INTC_VECT(SCIF0, 0x700), INTC_VECT(SCIF0, 0x720),
369 	INTC_VECT(SCIF0, 0x740), INTC_VECT(SCIF0, 0x760),
370 	INTC_VECT(DMAC, 0x780), INTC_VECT(DMAC, 0x7a0),
371 	INTC_VECT(IIC0, 0x8A0), INTC_VECT(IIC1, 0x8C0),
372 	INTC_VECT(CMT, 0x900), INTC_VECT(GETHER, 0x920),
373 	INTC_VECT(GETHER, 0x940), INTC_VECT(GETHER, 0x960),
374 	INTC_VECT(HAC, 0x980),
375 	INTC_VECT(PCISERR, 0xa00), INTC_VECT(PCIINTA, 0xa20),
376 	INTC_VECT(PCIINTB, 0xa40), INTC_VECT(PCIINTC, 0xa60),
377 	INTC_VECT(PCIINTD, 0xa80), INTC_VECT(PCIC5, 0xaa0),
378 	INTC_VECT(PCIC5, 0xac0), INTC_VECT(PCIC5, 0xae0),
379 	INTC_VECT(PCIC5, 0xb00), INTC_VECT(PCIC5, 0xb20),
380 	INTC_VECT(STIF0, 0xb40), INTC_VECT(STIF1, 0xb60),
381 	INTC_VECT(SCIF1, 0xb80), INTC_VECT(SCIF1, 0xba0),
382 	INTC_VECT(SCIF1, 0xbc0), INTC_VECT(SCIF1, 0xbe0),
383 	INTC_VECT(SIOF0, 0xc00), INTC_VECT(SIOF1, 0xc20),
384 	INTC_VECT(USBH, 0xc60), INTC_VECT(USBF, 0xc80),
385 	INTC_VECT(USBF, 0xca0),
386 	INTC_VECT(TPU, 0xcc0), INTC_VECT(PCC, 0xce0),
387 	INTC_VECT(MMCIF, 0xd00), INTC_VECT(MMCIF, 0xd20),
388 	INTC_VECT(MMCIF, 0xd40), INTC_VECT(MMCIF, 0xd60),
389 	INTC_VECT(SIM, 0xd80), INTC_VECT(SIM, 0xda0),
390 	INTC_VECT(SIM, 0xdc0), INTC_VECT(SIM, 0xde0),
391 	INTC_VECT(TMU3, 0xe00), INTC_VECT(TMU4, 0xe20),
392 	INTC_VECT(TMU5, 0xe40), INTC_VECT(ADC, 0xe60),
393 	INTC_VECT(SSI0, 0xe80), INTC_VECT(SSI1, 0xea0),
394 	INTC_VECT(SSI2, 0xec0), INTC_VECT(SSI3, 0xee0),
395 	INTC_VECT(SCIF2, 0xf00), INTC_VECT(SCIF2, 0xf20),
396 	INTC_VECT(SCIF2, 0xf40), INTC_VECT(SCIF2, 0xf60),
397 	INTC_VECT(GPIO, 0xf80), INTC_VECT(GPIO, 0xfa0),
398 	INTC_VECT(GPIO, 0xfc0), INTC_VECT(GPIO, 0xfe0),
399 };
400 
401 static struct intc_group groups[] __initdata = {
402 	INTC_GROUP(TMU012, TMU0, TMU1, TMU2, TMU2_TICPI),
403 	INTC_GROUP(TMU345, TMU3, TMU4, TMU5),
404 };
405 
406 static struct intc_mask_reg mask_registers[] __initdata = {
407 	{ 0xffd40038, 0xffd4003c, 32, /* INT2MSKR / INT2MSKCR */
408 	  { 0, 0, 0, 0, 0, 0, GPIO, 0,
409 	    SSI0, MMCIF, 0, SIOF0, PCIC5, PCIINTD, PCIINTC, PCIINTB,
410 	    PCIINTA, PCISERR, HAC, CMT, 0, 0, 0, DMAC,
411 	    HUDI, 0, WDT, SCIF1, SCIF0, RTC, TMU345, TMU012 } },
412 	{ 0xffd400d0, 0xffd400d4, 32, /* INT2MSKR1 / INT2MSKCR1 */
413 	  { 0, 0, 0, 0, 0, 0, SCIF2, USBF,
414 	    0, 0, STIF1, STIF0, 0, 0, USBH, GETHER,
415 	    PCC, 0, 0, ADC, TPU, SIM, SIOF2, SIOF1,
416 	    LCDC, 0, IIC1, IIC0, SSI3, SSI2, SSI1, 0 } },
417 };
418 
419 static struct intc_prio_reg prio_registers[] __initdata = {
420 	{ 0xffd40000, 0, 32, 8, /* INT2PRI0 */ { TMU0, TMU1,
421 						 TMU2, TMU2_TICPI } },
422 	{ 0xffd40004, 0, 32, 8, /* INT2PRI1 */ { TMU3, TMU4, TMU5, RTC } },
423 	{ 0xffd40008, 0, 32, 8, /* INT2PRI2 */ { SCIF0, SCIF1, WDT } },
424 	{ 0xffd4000c, 0, 32, 8, /* INT2PRI3 */ { HUDI, DMAC, ADC } },
425 	{ 0xffd40010, 0, 32, 8, /* INT2PRI4 */ { CMT, HAC,
426 						 PCISERR, PCIINTA } },
427 	{ 0xffd40014, 0, 32, 8, /* INT2PRI5 */ { PCIINTB, PCIINTC,
428 						 PCIINTD, PCIC5 } },
429 	{ 0xffd40018, 0, 32, 8, /* INT2PRI6 */ { SIOF0, USBF, MMCIF, SSI0 } },
430 	{ 0xffd4001c, 0, 32, 8, /* INT2PRI7 */ { SCIF2, GPIO } },
431 	{ 0xffd400a0, 0, 32, 8, /* INT2PRI8 */ { SSI3, SSI2, SSI1, 0 } },
432 	{ 0xffd400a4, 0, 32, 8, /* INT2PRI9 */ { LCDC, 0, IIC1, IIC0 } },
433 	{ 0xffd400a8, 0, 32, 8, /* INT2PRI10 */ { TPU, SIM, SIOF2, SIOF1 } },
434 	{ 0xffd400ac, 0, 32, 8, /* INT2PRI11 */ { PCC } },
435 	{ 0xffd400b0, 0, 32, 8, /* INT2PRI12 */ { 0, 0, USBH, GETHER } },
436 	{ 0xffd400b4, 0, 32, 8, /* INT2PRI13 */ { 0, 0, STIF1, STIF0 } },
437 };
438 
439 static DECLARE_INTC_DESC(intc_desc, "sh7763", vectors, groups,
440 			 mask_registers, prio_registers, NULL);
441 
442 /* Support for external interrupt pins in IRQ mode */
443 static struct intc_vect irq_vectors[] __initdata = {
444 	INTC_VECT(IRQ0, 0x240), INTC_VECT(IRQ1, 0x280),
445 	INTC_VECT(IRQ2, 0x2c0), INTC_VECT(IRQ3, 0x300),
446 	INTC_VECT(IRQ4, 0x340), INTC_VECT(IRQ5, 0x380),
447 	INTC_VECT(IRQ6, 0x3c0), INTC_VECT(IRQ7, 0x200),
448 };
449 
450 static struct intc_mask_reg irq_mask_registers[] __initdata = {
451 	{ 0xffd00044, 0xffd00064, 32, /* INTMSK0 / INTMSKCLR0 */
452 	  { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } },
453 };
454 
455 static struct intc_prio_reg irq_prio_registers[] __initdata = {
456 	{ 0xffd00010, 0, 32, 4, /* INTPRI */ { IRQ0, IRQ1, IRQ2, IRQ3,
457 					       IRQ4, IRQ5, IRQ6, IRQ7 } },
458 };
459 
460 static struct intc_sense_reg irq_sense_registers[] __initdata = {
461 	{ 0xffd0001c, 32, 2, /* ICR1 */   { IRQ0, IRQ1, IRQ2, IRQ3,
462 					    IRQ4, IRQ5, IRQ6, IRQ7 } },
463 };
464 
465 static struct intc_mask_reg irq_ack_registers[] __initdata = {
466 	{ 0xffd00024, 0, 32, /* INTREQ */
467 	  { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } },
468 };
469 
470 static DECLARE_INTC_DESC_ACK(intc_irq_desc, "sh7763-irq", irq_vectors,
471 			     NULL, irq_mask_registers, irq_prio_registers,
472 			     irq_sense_registers, irq_ack_registers);
473 
474 
475 /* External interrupt pins in IRL mode */
476 static struct intc_vect irl_vectors[] __initdata = {
477 	INTC_VECT(IRL_LLLL, 0x200), INTC_VECT(IRL_LLLH, 0x220),
478 	INTC_VECT(IRL_LLHL, 0x240), INTC_VECT(IRL_LLHH, 0x260),
479 	INTC_VECT(IRL_LHLL, 0x280), INTC_VECT(IRL_LHLH, 0x2a0),
480 	INTC_VECT(IRL_LHHL, 0x2c0), INTC_VECT(IRL_LHHH, 0x2e0),
481 	INTC_VECT(IRL_HLLL, 0x300), INTC_VECT(IRL_HLLH, 0x320),
482 	INTC_VECT(IRL_HLHL, 0x340), INTC_VECT(IRL_HLHH, 0x360),
483 	INTC_VECT(IRL_HHLL, 0x380), INTC_VECT(IRL_HHLH, 0x3a0),
484 	INTC_VECT(IRL_HHHL, 0x3c0),
485 };
486 
487 static struct intc_mask_reg irl3210_mask_registers[] __initdata = {
488 	{ 0xffd40080, 0xffd40084, 32, /* INTMSK2 / INTMSKCLR2 */
489 	  { IRL_LLLL, IRL_LLLH, IRL_LLHL, IRL_LLHH,
490 	    IRL_LHLL, IRL_LHLH, IRL_LHHL, IRL_LHHH,
491 	    IRL_HLLL, IRL_HLLH, IRL_HLHL, IRL_HLHH,
492 	    IRL_HHLL, IRL_HHLH, IRL_HHHL, } },
493 };
494 
495 static struct intc_mask_reg irl7654_mask_registers[] __initdata = {
496 	{ 0xffd40080, 0xffd40084, 32, /* INTMSK2 / INTMSKCLR2 */
497 	  { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
498 	    IRL_LLLL, IRL_LLLH, IRL_LLHL, IRL_LLHH,
499 	    IRL_LHLL, IRL_LHLH, IRL_LHHL, IRL_LHHH,
500 	    IRL_HLLL, IRL_HLLH, IRL_HLHL, IRL_HLHH,
501 	    IRL_HHLL, IRL_HHLH, IRL_HHHL, } },
502 };
503 
504 static DECLARE_INTC_DESC(intc_irl7654_desc, "sh7763-irl7654", irl_vectors,
505 			NULL, irl7654_mask_registers, NULL, NULL);
506 
507 static DECLARE_INTC_DESC(intc_irl3210_desc, "sh7763-irl3210", irl_vectors,
508 			NULL, irl3210_mask_registers, NULL, NULL);
509 
510 #define INTC_ICR0	0xffd00000
511 #define INTC_INTMSK0	0xffd00044
512 #define INTC_INTMSK1	0xffd00048
513 #define INTC_INTMSK2	0xffd40080
514 #define INTC_INTMSKCLR1	0xffd00068
515 #define INTC_INTMSKCLR2	0xffd40084
516 
517 void __init plat_irq_setup(void)
518 {
519 	/* disable IRQ7-0 */
520 	ctrl_outl(0xff000000, INTC_INTMSK0);
521 
522 	/* disable IRL3-0 + IRL7-4 */
523 	ctrl_outl(0xc0000000, INTC_INTMSK1);
524 	ctrl_outl(0xfffefffe, INTC_INTMSK2);
525 
526 	register_intc_controller(&intc_desc);
527 }
528 
529 void __init plat_irq_setup_pins(int mode)
530 {
531 	switch (mode) {
532 	case IRQ_MODE_IRQ:
533 		/* select IRQ mode for IRL3-0 + IRL7-4 */
534 		ctrl_outl(ctrl_inl(INTC_ICR0) | 0x00c00000, INTC_ICR0);
535 		register_intc_controller(&intc_irq_desc);
536 		break;
537 	case IRQ_MODE_IRL7654:
538 		/* enable IRL7-4 but don't provide any masking */
539 		ctrl_outl(0x40000000, INTC_INTMSKCLR1);
540 		ctrl_outl(0x0000fffe, INTC_INTMSKCLR2);
541 		break;
542 	case IRQ_MODE_IRL3210:
543 		/* enable IRL0-3 but don't provide any masking */
544 		ctrl_outl(0x80000000, INTC_INTMSKCLR1);
545 		ctrl_outl(0xfffe0000, INTC_INTMSKCLR2);
546 		break;
547 	case IRQ_MODE_IRL7654_MASK:
548 		/* enable IRL7-4 and mask using cpu intc controller */
549 		ctrl_outl(0x40000000, INTC_INTMSKCLR1);
550 		register_intc_controller(&intc_irl7654_desc);
551 		break;
552 	case IRQ_MODE_IRL3210_MASK:
553 		/* enable IRL0-3 and mask using cpu intc controller */
554 		ctrl_outl(0x80000000, INTC_INTMSKCLR1);
555 		register_intc_controller(&intc_irl3210_desc);
556 		break;
557 	default:
558 		BUG();
559 	}
560 }
561