Merge branch 'for-rmk' of git://git.pengutronix.de/git/imx/linux-2.6 into devel-stable
[sfrench/cifs-2.6.git] / arch / sh / kernel / cpu / sh4a / setup-sh7780.c
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_timer.h>
16
17 #include <asm/dmaengine.h>
18
19 #include <cpu/dma-register.h>
20
21 static struct plat_sci_port scif0_platform_data = {
22         .mapbase        = 0xffe00000,
23         .flags          = UPF_BOOT_AUTOCONF,
24         .type           = PORT_SCIF,
25         .irqs           = { 40, 40, 40, 40 },
26 };
27
28 static struct platform_device scif0_device = {
29         .name           = "sh-sci",
30         .id             = 0,
31         .dev            = {
32                 .platform_data  = &scif0_platform_data,
33         },
34 };
35
36 static struct plat_sci_port scif1_platform_data = {
37         .mapbase        = 0xffe10000,
38         .flags          = UPF_BOOT_AUTOCONF,
39         .type           = PORT_SCIF,
40         .irqs           = { 76, 76, 76, 76 },
41 };
42
43 static struct platform_device scif1_device = {
44         .name           = "sh-sci",
45         .id             = 1,
46         .dev            = {
47                 .platform_data  = &scif1_platform_data,
48         },
49 };
50
51 static struct sh_timer_config tmu0_platform_data = {
52         .channel_offset = 0x04,
53         .timer_bit = 0,
54         .clockevent_rating = 200,
55 };
56
57 static struct resource tmu0_resources[] = {
58         [0] = {
59                 .start  = 0xffd80008,
60                 .end    = 0xffd80013,
61                 .flags  = IORESOURCE_MEM,
62         },
63         [1] = {
64                 .start  = 28,
65                 .flags  = IORESOURCE_IRQ,
66         },
67 };
68
69 static struct platform_device tmu0_device = {
70         .name           = "sh_tmu",
71         .id             = 0,
72         .dev = {
73                 .platform_data  = &tmu0_platform_data,
74         },
75         .resource       = tmu0_resources,
76         .num_resources  = ARRAY_SIZE(tmu0_resources),
77 };
78
79 static struct sh_timer_config tmu1_platform_data = {
80         .channel_offset = 0x10,
81         .timer_bit = 1,
82         .clocksource_rating = 200,
83 };
84
85 static struct resource tmu1_resources[] = {
86         [0] = {
87                 .start  = 0xffd80014,
88                 .end    = 0xffd8001f,
89                 .flags  = IORESOURCE_MEM,
90         },
91         [1] = {
92                 .start  = 29,
93                 .flags  = IORESOURCE_IRQ,
94         },
95 };
96
97 static struct platform_device tmu1_device = {
98         .name           = "sh_tmu",
99         .id             = 1,
100         .dev = {
101                 .platform_data  = &tmu1_platform_data,
102         },
103         .resource       = tmu1_resources,
104         .num_resources  = ARRAY_SIZE(tmu1_resources),
105 };
106
107 static struct sh_timer_config tmu2_platform_data = {
108         .channel_offset = 0x1c,
109         .timer_bit = 2,
110 };
111
112 static struct resource tmu2_resources[] = {
113         [0] = {
114                 .start  = 0xffd80020,
115                 .end    = 0xffd8002f,
116                 .flags  = IORESOURCE_MEM,
117         },
118         [1] = {
119                 .start  = 30,
120                 .flags  = IORESOURCE_IRQ,
121         },
122 };
123
124 static struct platform_device tmu2_device = {
125         .name           = "sh_tmu",
126         .id             = 2,
127         .dev = {
128                 .platform_data  = &tmu2_platform_data,
129         },
130         .resource       = tmu2_resources,
131         .num_resources  = ARRAY_SIZE(tmu2_resources),
132 };
133
134 static struct sh_timer_config tmu3_platform_data = {
135         .channel_offset = 0x04,
136         .timer_bit = 0,
137 };
138
139 static struct resource tmu3_resources[] = {
140         [0] = {
141                 .start  = 0xffdc0008,
142                 .end    = 0xffdc0013,
143                 .flags  = IORESOURCE_MEM,
144         },
145         [1] = {
146                 .start  = 96,
147                 .flags  = IORESOURCE_IRQ,
148         },
149 };
150
151 static struct platform_device tmu3_device = {
152         .name           = "sh_tmu",
153         .id             = 3,
154         .dev = {
155                 .platform_data  = &tmu3_platform_data,
156         },
157         .resource       = tmu3_resources,
158         .num_resources  = ARRAY_SIZE(tmu3_resources),
159 };
160
161 static struct sh_timer_config tmu4_platform_data = {
162         .channel_offset = 0x10,
163         .timer_bit = 1,
164 };
165
166 static struct resource tmu4_resources[] = {
167         [0] = {
168                 .start  = 0xffdc0014,
169                 .end    = 0xffdc001f,
170                 .flags  = IORESOURCE_MEM,
171         },
172         [1] = {
173                 .start  = 97,
174                 .flags  = IORESOURCE_IRQ,
175         },
176 };
177
178 static struct platform_device tmu4_device = {
179         .name           = "sh_tmu",
180         .id             = 4,
181         .dev = {
182                 .platform_data  = &tmu4_platform_data,
183         },
184         .resource       = tmu4_resources,
185         .num_resources  = ARRAY_SIZE(tmu4_resources),
186 };
187
188 static struct sh_timer_config tmu5_platform_data = {
189         .channel_offset = 0x1c,
190         .timer_bit = 2,
191 };
192
193 static struct resource tmu5_resources[] = {
194         [0] = {
195                 .start  = 0xffdc0020,
196                 .end    = 0xffdc002b,
197                 .flags  = IORESOURCE_MEM,
198         },
199         [1] = {
200                 .start  = 98,
201                 .flags  = IORESOURCE_IRQ,
202         },
203 };
204
205 static struct platform_device tmu5_device = {
206         .name           = "sh_tmu",
207         .id             = 5,
208         .dev = {
209                 .platform_data  = &tmu5_platform_data,
210         },
211         .resource       = tmu5_resources,
212         .num_resources  = ARRAY_SIZE(tmu5_resources),
213 };
214
215 static struct resource rtc_resources[] = {
216         [0] = {
217                 .start  = 0xffe80000,
218                 .end    = 0xffe80000 + 0x58 - 1,
219                 .flags  = IORESOURCE_IO,
220         },
221         [1] = {
222                 /* Shared Period/Carry/Alarm IRQ */
223                 .start  = 20,
224                 .flags  = IORESOURCE_IRQ,
225         },
226 };
227
228 static struct platform_device rtc_device = {
229         .name           = "sh-rtc",
230         .id             = -1,
231         .num_resources  = ARRAY_SIZE(rtc_resources),
232         .resource       = rtc_resources,
233 };
234
235 /* DMA */
236 static const struct sh_dmae_channel sh7780_dmae0_channels[] = {
237         {
238                 .offset = 0,
239                 .dmars = 0,
240                 .dmars_bit = 0,
241         }, {
242                 .offset = 0x10,
243                 .dmars = 0,
244                 .dmars_bit = 8,
245         }, {
246                 .offset = 0x20,
247                 .dmars = 4,
248                 .dmars_bit = 0,
249         }, {
250                 .offset = 0x30,
251                 .dmars = 4,
252                 .dmars_bit = 8,
253         }, {
254                 .offset = 0x50,
255                 .dmars = 8,
256                 .dmars_bit = 0,
257         }, {
258                 .offset = 0x60,
259                 .dmars = 8,
260                 .dmars_bit = 8,
261         }
262 };
263
264 static const struct sh_dmae_channel sh7780_dmae1_channels[] = {
265         {
266                 .offset = 0,
267         }, {
268                 .offset = 0x10,
269         }, {
270                 .offset = 0x20,
271         }, {
272                 .offset = 0x30,
273         }, {
274                 .offset = 0x50,
275         }, {
276                 .offset = 0x60,
277         }
278 };
279
280 static const unsigned int ts_shift[] = TS_SHIFT;
281
282 static struct sh_dmae_pdata dma0_platform_data = {
283         .channel        = sh7780_dmae0_channels,
284         .channel_num    = ARRAY_SIZE(sh7780_dmae0_channels),
285         .ts_low_shift   = CHCR_TS_LOW_SHIFT,
286         .ts_low_mask    = CHCR_TS_LOW_MASK,
287         .ts_high_shift  = CHCR_TS_HIGH_SHIFT,
288         .ts_high_mask   = CHCR_TS_HIGH_MASK,
289         .ts_shift       = ts_shift,
290         .ts_shift_num   = ARRAY_SIZE(ts_shift),
291         .dmaor_init     = DMAOR_INIT,
292 };
293
294 static struct sh_dmae_pdata dma1_platform_data = {
295         .channel        = sh7780_dmae1_channels,
296         .channel_num    = ARRAY_SIZE(sh7780_dmae1_channels),
297         .ts_low_shift   = CHCR_TS_LOW_SHIFT,
298         .ts_low_mask    = CHCR_TS_LOW_MASK,
299         .ts_high_shift  = CHCR_TS_HIGH_SHIFT,
300         .ts_high_mask   = CHCR_TS_HIGH_MASK,
301         .ts_shift       = ts_shift,
302         .ts_shift_num   = ARRAY_SIZE(ts_shift),
303         .dmaor_init     = DMAOR_INIT,
304 };
305
306 static struct resource sh7780_dmae0_resources[] = {
307         [0] = {
308                 /* Channel registers and DMAOR */
309                 .start  = 0xfc808020,
310                 .end    = 0xfc80808f,
311                 .flags  = IORESOURCE_MEM,
312         },
313         [1] = {
314                 /* DMARSx */
315                 .start  = 0xfc809000,
316                 .end    = 0xfc80900b,
317                 .flags  = IORESOURCE_MEM,
318         },
319         {
320                 /* Real DMA error IRQ is 38, and channel IRQs are 34-37, 44-45 */
321                 .start  = 34,
322                 .end    = 34,
323                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_SHAREABLE,
324         },
325 };
326
327 static struct resource sh7780_dmae1_resources[] = {
328         [0] = {
329                 /* Channel registers and DMAOR */
330                 .start  = 0xfc818020,
331                 .end    = 0xfc81808f,
332                 .flags  = IORESOURCE_MEM,
333         },
334         /* DMAC1 has no DMARS */
335         {
336                 /* Real DMA error IRQ is 38, and channel IRQs are 46-47, 92-95 */
337                 .start  = 46,
338                 .end    = 46,
339                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_SHAREABLE,
340         },
341 };
342
343 static struct platform_device dma0_device = {
344         .name           = "sh-dma-engine",
345         .id             = 0,
346         .resource       = sh7780_dmae0_resources,
347         .num_resources  = ARRAY_SIZE(sh7780_dmae0_resources),
348         .dev            = {
349                 .platform_data  = &dma0_platform_data,
350         },
351 };
352
353 static struct platform_device dma1_device = {
354         .name           = "sh-dma-engine",
355         .id             = 1,
356         .resource       = sh7780_dmae1_resources,
357         .num_resources  = ARRAY_SIZE(sh7780_dmae1_resources),
358         .dev            = {
359                 .platform_data  = &dma1_platform_data,
360         },
361 };
362
363 static struct platform_device *sh7780_devices[] __initdata = {
364         &scif0_device,
365         &scif1_device,
366         &tmu0_device,
367         &tmu1_device,
368         &tmu2_device,
369         &tmu3_device,
370         &tmu4_device,
371         &tmu5_device,
372         &rtc_device,
373         &dma0_device,
374         &dma1_device,
375 };
376
377 static int __init sh7780_devices_setup(void)
378 {
379         return platform_add_devices(sh7780_devices,
380                                     ARRAY_SIZE(sh7780_devices));
381 }
382 arch_initcall(sh7780_devices_setup);
383 static struct platform_device *sh7780_early_devices[] __initdata = {
384         &scif0_device,
385         &scif1_device,
386         &tmu0_device,
387         &tmu1_device,
388         &tmu2_device,
389         &tmu3_device,
390         &tmu4_device,
391         &tmu5_device,
392 };
393
394 void __init plat_early_device_setup(void)
395 {
396         early_platform_add_devices(sh7780_early_devices,
397                                    ARRAY_SIZE(sh7780_early_devices));
398 }
399
400 enum {
401         UNUSED = 0,
402
403         /* interrupt sources */
404
405         IRL_LLLL, IRL_LLLH, IRL_LLHL, IRL_LLHH,
406         IRL_LHLL, IRL_LHLH, IRL_LHHL, IRL_LHHH,
407         IRL_HLLL, IRL_HLLH, IRL_HLHL, IRL_HLHH,
408         IRL_HHLL, IRL_HHLH, IRL_HHHL,
409
410         IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7,
411         RTC, WDT, TMU0, TMU1, TMU2, TMU2_TICPI,
412         HUDI, DMAC0, SCIF0, DMAC1, CMT, HAC,
413         PCISERR, PCIINTA, PCIINTB, PCIINTC, PCIINTD, PCIC5,
414         SCIF1, SIOF, HSPI, MMCIF, TMU3, TMU4, TMU5, SSI, FLCTL, GPIO,
415
416         /* interrupt groups */
417
418         TMU012, TMU345,
419 };
420
421 static struct intc_vect vectors[] __initdata = {
422         INTC_VECT(RTC, 0x480), INTC_VECT(RTC, 0x4a0),
423         INTC_VECT(RTC, 0x4c0),
424         INTC_VECT(WDT, 0x560),
425         INTC_VECT(TMU0, 0x580), INTC_VECT(TMU1, 0x5a0),
426         INTC_VECT(TMU2, 0x5c0), INTC_VECT(TMU2_TICPI, 0x5e0),
427         INTC_VECT(HUDI, 0x600),
428         INTC_VECT(DMAC0, 0x640), INTC_VECT(DMAC0, 0x660),
429         INTC_VECT(DMAC0, 0x680), INTC_VECT(DMAC0, 0x6a0),
430         INTC_VECT(DMAC0, 0x6c0),
431         INTC_VECT(SCIF0, 0x700), INTC_VECT(SCIF0, 0x720),
432         INTC_VECT(SCIF0, 0x740), INTC_VECT(SCIF0, 0x760),
433         INTC_VECT(DMAC0, 0x780), INTC_VECT(DMAC0, 0x7a0),
434         INTC_VECT(DMAC1, 0x7c0), INTC_VECT(DMAC1, 0x7e0),
435         INTC_VECT(CMT, 0x900), INTC_VECT(HAC, 0x980),
436         INTC_VECT(PCISERR, 0xa00), INTC_VECT(PCIINTA, 0xa20),
437         INTC_VECT(PCIINTB, 0xa40), INTC_VECT(PCIINTC, 0xa60),
438         INTC_VECT(PCIINTD, 0xa80), INTC_VECT(PCIC5, 0xaa0),
439         INTC_VECT(PCIC5, 0xac0), INTC_VECT(PCIC5, 0xae0),
440         INTC_VECT(PCIC5, 0xb00), INTC_VECT(PCIC5, 0xb20),
441         INTC_VECT(SCIF1, 0xb80), INTC_VECT(SCIF1, 0xba0),
442         INTC_VECT(SCIF1, 0xbc0), INTC_VECT(SCIF1, 0xbe0),
443         INTC_VECT(SIOF, 0xc00), INTC_VECT(HSPI, 0xc80),
444         INTC_VECT(MMCIF, 0xd00), INTC_VECT(MMCIF, 0xd20),
445         INTC_VECT(MMCIF, 0xd40), INTC_VECT(MMCIF, 0xd60),
446         INTC_VECT(DMAC1, 0xd80), INTC_VECT(DMAC1, 0xda0),
447         INTC_VECT(DMAC1, 0xdc0), INTC_VECT(DMAC1, 0xde0),
448         INTC_VECT(TMU3, 0xe00), INTC_VECT(TMU4, 0xe20),
449         INTC_VECT(TMU5, 0xe40),
450         INTC_VECT(SSI, 0xe80),
451         INTC_VECT(FLCTL, 0xf00), INTC_VECT(FLCTL, 0xf20),
452         INTC_VECT(FLCTL, 0xf40), INTC_VECT(FLCTL, 0xf60),
453         INTC_VECT(GPIO, 0xf80), INTC_VECT(GPIO, 0xfa0),
454         INTC_VECT(GPIO, 0xfc0), INTC_VECT(GPIO, 0xfe0),
455 };
456
457 static struct intc_group groups[] __initdata = {
458         INTC_GROUP(TMU012, TMU0, TMU1, TMU2, TMU2_TICPI),
459         INTC_GROUP(TMU345, TMU3, TMU4, TMU5),
460 };
461
462 static struct intc_mask_reg mask_registers[] __initdata = {
463         { 0xffd40038, 0xffd4003c, 32, /* INT2MSKR / INT2MSKCR */
464           { 0, 0, 0, 0, 0, 0, GPIO, FLCTL,
465             SSI, MMCIF, HSPI, SIOF, PCIC5, PCIINTD, PCIINTC, PCIINTB,
466             PCIINTA, PCISERR, HAC, CMT, 0, 0, DMAC1, DMAC0,
467             HUDI, 0, WDT, SCIF1, SCIF0, RTC, TMU345, TMU012 } },
468 };
469
470 static struct intc_prio_reg prio_registers[] __initdata = {
471         { 0xffd40000, 0, 32, 8, /* INT2PRI0 */ { TMU0, TMU1,
472                                                  TMU2, TMU2_TICPI } },
473         { 0xffd40004, 0, 32, 8, /* INT2PRI1 */ { TMU3, TMU4, TMU5, RTC } },
474         { 0xffd40008, 0, 32, 8, /* INT2PRI2 */ { SCIF0, SCIF1, WDT } },
475         { 0xffd4000c, 0, 32, 8, /* INT2PRI3 */ { HUDI, DMAC0, DMAC1 } },
476         { 0xffd40010, 0, 32, 8, /* INT2PRI4 */ { CMT, HAC,
477                                                  PCISERR, PCIINTA, } },
478         { 0xffd40014, 0, 32, 8, /* INT2PRI5 */ { PCIINTB, PCIINTC,
479                                                  PCIINTD, PCIC5 } },
480         { 0xffd40018, 0, 32, 8, /* INT2PRI6 */ { SIOF, HSPI, MMCIF, SSI } },
481         { 0xffd4001c, 0, 32, 8, /* INT2PRI7 */ { FLCTL, GPIO } },
482 };
483
484 static DECLARE_INTC_DESC(intc_desc, "sh7780", vectors, groups,
485                          mask_registers, prio_registers, NULL);
486
487 /* Support for external interrupt pins in IRQ mode */
488
489 static struct intc_vect irq_vectors[] __initdata = {
490         INTC_VECT(IRQ0, 0x240), INTC_VECT(IRQ1, 0x280),
491         INTC_VECT(IRQ2, 0x2c0), INTC_VECT(IRQ3, 0x300),
492         INTC_VECT(IRQ4, 0x340), INTC_VECT(IRQ5, 0x380),
493         INTC_VECT(IRQ6, 0x3c0), INTC_VECT(IRQ7, 0x200),
494 };
495
496 static struct intc_mask_reg irq_mask_registers[] __initdata = {
497         { 0xffd00044, 0xffd00064, 32, /* INTMSK0 / INTMSKCLR0 */
498           { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } },
499 };
500
501 static struct intc_prio_reg irq_prio_registers[] __initdata = {
502         { 0xffd00010, 0, 32, 4, /* INTPRI */ { IRQ0, IRQ1, IRQ2, IRQ3,
503                                                IRQ4, IRQ5, IRQ6, IRQ7 } },
504 };
505
506 static struct intc_sense_reg irq_sense_registers[] __initdata = {
507         { 0xffd0001c, 32, 2, /* ICR1 */   { IRQ0, IRQ1, IRQ2, IRQ3,
508                                             IRQ4, IRQ5, IRQ6, IRQ7 } },
509 };
510
511 static struct intc_mask_reg irq_ack_registers[] __initdata = {
512         { 0xffd00024, 0, 32, /* INTREQ */
513           { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } },
514 };
515
516 static DECLARE_INTC_DESC_ACK(intc_irq_desc, "sh7780-irq", irq_vectors,
517                              NULL, irq_mask_registers, irq_prio_registers,
518                              irq_sense_registers, irq_ack_registers);
519
520 /* External interrupt pins in IRL mode */
521
522 static struct intc_vect irl_vectors[] __initdata = {
523         INTC_VECT(IRL_LLLL, 0x200), INTC_VECT(IRL_LLLH, 0x220),
524         INTC_VECT(IRL_LLHL, 0x240), INTC_VECT(IRL_LLHH, 0x260),
525         INTC_VECT(IRL_LHLL, 0x280), INTC_VECT(IRL_LHLH, 0x2a0),
526         INTC_VECT(IRL_LHHL, 0x2c0), INTC_VECT(IRL_LHHH, 0x2e0),
527         INTC_VECT(IRL_HLLL, 0x300), INTC_VECT(IRL_HLLH, 0x320),
528         INTC_VECT(IRL_HLHL, 0x340), INTC_VECT(IRL_HLHH, 0x360),
529         INTC_VECT(IRL_HHLL, 0x380), INTC_VECT(IRL_HHLH, 0x3a0),
530         INTC_VECT(IRL_HHHL, 0x3c0),
531 };
532
533 static struct intc_mask_reg irl3210_mask_registers[] __initdata = {
534         { 0xffd40080, 0xffd40084, 32, /* INTMSK2 / INTMSKCLR2 */
535           { IRL_LLLL, IRL_LLLH, IRL_LLHL, IRL_LLHH,
536             IRL_LHLL, IRL_LHLH, IRL_LHHL, IRL_LHHH,
537             IRL_HLLL, IRL_HLLH, IRL_HLHL, IRL_HLHH,
538             IRL_HHLL, IRL_HHLH, IRL_HHHL, } },
539 };
540
541 static struct intc_mask_reg irl7654_mask_registers[] __initdata = {
542         { 0xffd40080, 0xffd40084, 32, /* INTMSK2 / INTMSKCLR2 */
543           { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
544             IRL_LLLL, IRL_LLLH, IRL_LLHL, IRL_LLHH,
545             IRL_LHLL, IRL_LHLH, IRL_LHHL, IRL_LHHH,
546             IRL_HLLL, IRL_HLLH, IRL_HLHL, IRL_HLHH,
547             IRL_HHLL, IRL_HHLH, IRL_HHHL, } },
548 };
549
550 static DECLARE_INTC_DESC(intc_irl7654_desc, "sh7780-irl7654", irl_vectors,
551                          NULL, irl7654_mask_registers, NULL, NULL);
552
553 static DECLARE_INTC_DESC(intc_irl3210_desc, "sh7780-irl3210", irl_vectors,
554                          NULL, irl3210_mask_registers, NULL, NULL);
555
556 #define INTC_ICR0       0xffd00000
557 #define INTC_INTMSK0    0xffd00044
558 #define INTC_INTMSK1    0xffd00048
559 #define INTC_INTMSK2    0xffd40080
560 #define INTC_INTMSKCLR1 0xffd00068
561 #define INTC_INTMSKCLR2 0xffd40084
562
563 void __init plat_irq_setup(void)
564 {
565         /* disable IRQ7-0 */
566         __raw_writel(0xff000000, INTC_INTMSK0);
567
568         /* disable IRL3-0 + IRL7-4 */
569         __raw_writel(0xc0000000, INTC_INTMSK1);
570         __raw_writel(0xfffefffe, INTC_INTMSK2);
571
572         /* select IRL mode for IRL3-0 + IRL7-4 */
573         __raw_writel(__raw_readl(INTC_ICR0) & ~0x00c00000, INTC_ICR0);
574
575         /* disable holding function, ie enable "SH-4 Mode" */
576         __raw_writel(__raw_readl(INTC_ICR0) | 0x00200000, INTC_ICR0);
577
578         register_intc_controller(&intc_desc);
579 }
580
581 void __init plat_irq_setup_pins(int mode)
582 {
583         switch (mode) {
584         case IRQ_MODE_IRQ:
585                 /* select IRQ mode for IRL3-0 + IRL7-4 */
586                 __raw_writel(__raw_readl(INTC_ICR0) | 0x00c00000, INTC_ICR0);
587                 register_intc_controller(&intc_irq_desc);
588                 break;
589         case IRQ_MODE_IRL7654:
590                 /* enable IRL7-4 but don't provide any masking */
591                 __raw_writel(0x40000000, INTC_INTMSKCLR1);
592                 __raw_writel(0x0000fffe, INTC_INTMSKCLR2);
593                 break;
594         case IRQ_MODE_IRL3210:
595                 /* enable IRL0-3 but don't provide any masking */
596                 __raw_writel(0x80000000, INTC_INTMSKCLR1);
597                 __raw_writel(0xfffe0000, INTC_INTMSKCLR2);
598                 break;
599         case IRQ_MODE_IRL7654_MASK:
600                 /* enable IRL7-4 and mask using cpu intc controller */
601                 __raw_writel(0x40000000, INTC_INTMSKCLR1);
602                 register_intc_controller(&intc_irl7654_desc);
603                 break;
604         case IRQ_MODE_IRL3210_MASK:
605                 /* enable IRL0-3 and mask using cpu intc controller */
606                 __raw_writel(0x80000000, INTC_INTMSKCLR1);
607                 register_intc_controller(&intc_irl3210_desc);
608                 break;
609         default:
610                 BUG();
611         }
612 }