Merge branch 'next/devel-dma-ops' of git://git.kernel.org/pub/scm/linux/kernel/git...
[platform/adaptation/renesas_rcar/renesas_kernel.git] / arch / sh / kernel / cpu / sh4a / setup-sh7763.c
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/sh_intc.h>
17 #include <linux/io.h>
18 #include <linux/serial_sci.h>
19
20 static struct plat_sci_port scif0_platform_data = {
21         .mapbase        = 0xffe00000,
22         .flags          = UPF_BOOT_AUTOCONF,
23         .scscr          = SCSCR_RE | SCSCR_TE | SCSCR_REIE,
24         .scbrr_algo_id  = SCBRR_ALGO_2,
25         .type           = PORT_SCIF,
26         .irqs           = SCIx_IRQ_MUXED(evt2irq(0x700)),
27         .regtype        = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
28 };
29
30 static struct platform_device scif0_device = {
31         .name           = "sh-sci",
32         .id             = 0,
33         .dev            = {
34                 .platform_data  = &scif0_platform_data,
35         },
36 };
37
38 static struct plat_sci_port scif1_platform_data = {
39         .mapbase        = 0xffe08000,
40         .flags          = UPF_BOOT_AUTOCONF,
41         .scscr          = SCSCR_RE | SCSCR_TE | SCSCR_REIE,
42         .scbrr_algo_id  = SCBRR_ALGO_2,
43         .type           = PORT_SCIF,
44         .irqs           = SCIx_IRQ_MUXED(evt2irq(0xb80)),
45         .regtype        = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
46 };
47
48 static struct platform_device scif1_device = {
49         .name           = "sh-sci",
50         .id             = 1,
51         .dev            = {
52                 .platform_data  = &scif1_platform_data,
53         },
54 };
55
56 static struct plat_sci_port scif2_platform_data = {
57         .mapbase        = 0xffe10000,
58         .flags          = UPF_BOOT_AUTOCONF,
59         .scscr          = SCSCR_RE | SCSCR_TE | SCSCR_REIE,
60         .scbrr_algo_id  = SCBRR_ALGO_2,
61         .type           = PORT_SCIF,
62         .irqs           = SCIx_IRQ_MUXED(evt2irq(0xf00)),
63         .regtype        = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
64 };
65
66 static struct platform_device scif2_device = {
67         .name           = "sh-sci",
68         .id             = 2,
69         .dev            = {
70                 .platform_data  = &scif2_platform_data,
71         },
72 };
73
74 static struct resource rtc_resources[] = {
75         [0] = {
76                 .start  = 0xffe80000,
77                 .end    = 0xffe80000 + 0x58 - 1,
78                 .flags  = IORESOURCE_IO,
79         },
80         [1] = {
81                 /* Shared Period/Carry/Alarm IRQ */
82                 .start  = evt2irq(0x480),
83                 .flags  = IORESOURCE_IRQ,
84         },
85 };
86
87 static struct platform_device rtc_device = {
88         .name           = "sh-rtc",
89         .id             = -1,
90         .num_resources  = ARRAY_SIZE(rtc_resources),
91         .resource       = rtc_resources,
92 };
93
94 static struct resource usb_ohci_resources[] = {
95         [0] = {
96                 .start  = 0xffec8000,
97                 .end    = 0xffec80ff,
98                 .flags  = IORESOURCE_MEM,
99         },
100         [1] = {
101                 .start  = evt2irq(0xc60),
102                 .end    = evt2irq(0xc60),
103                 .flags  = IORESOURCE_IRQ,
104         },
105 };
106
107 static u64 usb_ohci_dma_mask = 0xffffffffUL;
108
109 static struct platform_device usb_ohci_device = {
110         .name           = "sh_ohci",
111         .id             = -1,
112         .dev = {
113                 .dma_mask               = &usb_ohci_dma_mask,
114                 .coherent_dma_mask      = 0xffffffff,
115         },
116         .num_resources  = ARRAY_SIZE(usb_ohci_resources),
117         .resource       = usb_ohci_resources,
118 };
119
120 static struct resource usbf_resources[] = {
121         [0] = {
122                 .start  = 0xffec0000,
123                 .end    = 0xffec00ff,
124                 .flags  = IORESOURCE_MEM,
125         },
126         [1] = {
127                 .start  = evt2irq(0xc80),
128                 .end    = evt2irq(0xc80),
129                 .flags  = IORESOURCE_IRQ,
130         },
131 };
132
133 static struct platform_device usbf_device = {
134         .name           = "sh_udc",
135         .id             = -1,
136         .dev = {
137                 .dma_mask               = NULL,
138                 .coherent_dma_mask      = 0xffffffff,
139         },
140         .num_resources  = ARRAY_SIZE(usbf_resources),
141         .resource       = usbf_resources,
142 };
143
144 static struct sh_timer_config tmu0_platform_data = {
145         .channel_offset = 0x04,
146         .timer_bit = 0,
147         .clockevent_rating = 200,
148 };
149
150 static struct resource tmu0_resources[] = {
151         [0] = {
152                 .start  = 0xffd80008,
153                 .end    = 0xffd80013,
154                 .flags  = IORESOURCE_MEM,
155         },
156         [1] = {
157                 .start  = evt2irq(0x580),
158                 .flags  = IORESOURCE_IRQ,
159         },
160 };
161
162 static struct platform_device tmu0_device = {
163         .name           = "sh_tmu",
164         .id             = 0,
165         .dev = {
166                 .platform_data  = &tmu0_platform_data,
167         },
168         .resource       = tmu0_resources,
169         .num_resources  = ARRAY_SIZE(tmu0_resources),
170 };
171
172 static struct sh_timer_config tmu1_platform_data = {
173         .channel_offset = 0x10,
174         .timer_bit = 1,
175         .clocksource_rating = 200,
176 };
177
178 static struct resource tmu1_resources[] = {
179         [0] = {
180                 .start  = 0xffd80014,
181                 .end    = 0xffd8001f,
182                 .flags  = IORESOURCE_MEM,
183         },
184         [1] = {
185                 .start  = evt2irq(0x5a0),
186                 .flags  = IORESOURCE_IRQ,
187         },
188 };
189
190 static struct platform_device tmu1_device = {
191         .name           = "sh_tmu",
192         .id             = 1,
193         .dev = {
194                 .platform_data  = &tmu1_platform_data,
195         },
196         .resource       = tmu1_resources,
197         .num_resources  = ARRAY_SIZE(tmu1_resources),
198 };
199
200 static struct sh_timer_config tmu2_platform_data = {
201         .channel_offset = 0x1c,
202         .timer_bit = 2,
203 };
204
205 static struct resource tmu2_resources[] = {
206         [0] = {
207                 .start  = 0xffd80020,
208                 .end    = 0xffd8002f,
209                 .flags  = IORESOURCE_MEM,
210         },
211         [1] = {
212                 .start  = evt2irq(0x5c0),
213                 .flags  = IORESOURCE_IRQ,
214         },
215 };
216
217 static struct platform_device tmu2_device = {
218         .name           = "sh_tmu",
219         .id             = 2,
220         .dev = {
221                 .platform_data  = &tmu2_platform_data,
222         },
223         .resource       = tmu2_resources,
224         .num_resources  = ARRAY_SIZE(tmu2_resources),
225 };
226
227 static struct sh_timer_config tmu3_platform_data = {
228         .channel_offset = 0x04,
229         .timer_bit = 0,
230 };
231
232 static struct resource tmu3_resources[] = {
233         [0] = {
234                 .start  = 0xffd88008,
235                 .end    = 0xffd88013,
236                 .flags  = IORESOURCE_MEM,
237         },
238         [1] = {
239                 .start  = evt2irq(0xe00),
240                 .flags  = IORESOURCE_IRQ,
241         },
242 };
243
244 static struct platform_device tmu3_device = {
245         .name           = "sh_tmu",
246         .id             = 3,
247         .dev = {
248                 .platform_data  = &tmu3_platform_data,
249         },
250         .resource       = tmu3_resources,
251         .num_resources  = ARRAY_SIZE(tmu3_resources),
252 };
253
254 static struct sh_timer_config tmu4_platform_data = {
255         .channel_offset = 0x10,
256         .timer_bit = 1,
257 };
258
259 static struct resource tmu4_resources[] = {
260         [0] = {
261                 .start  = 0xffd88014,
262                 .end    = 0xffd8801f,
263                 .flags  = IORESOURCE_MEM,
264         },
265         [1] = {
266                 .start  = evt2irq(0xe20),
267                 .flags  = IORESOURCE_IRQ,
268         },
269 };
270
271 static struct platform_device tmu4_device = {
272         .name           = "sh_tmu",
273         .id             = 4,
274         .dev = {
275                 .platform_data  = &tmu4_platform_data,
276         },
277         .resource       = tmu4_resources,
278         .num_resources  = ARRAY_SIZE(tmu4_resources),
279 };
280
281 static struct sh_timer_config tmu5_platform_data = {
282         .channel_offset = 0x1c,
283         .timer_bit = 2,
284 };
285
286 static struct resource tmu5_resources[] = {
287         [0] = {
288                 .start  = 0xffd88020,
289                 .end    = 0xffd8802b,
290                 .flags  = IORESOURCE_MEM,
291         },
292         [1] = {
293                 .start  = evt2irq(0xe40),
294                 .flags  = IORESOURCE_IRQ,
295         },
296 };
297
298 static struct platform_device tmu5_device = {
299         .name           = "sh_tmu",
300         .id             = 5,
301         .dev = {
302                 .platform_data  = &tmu5_platform_data,
303         },
304         .resource       = tmu5_resources,
305         .num_resources  = ARRAY_SIZE(tmu5_resources),
306 };
307
308 static struct platform_device *sh7763_devices[] __initdata = {
309         &scif0_device,
310         &scif1_device,
311         &scif2_device,
312         &tmu0_device,
313         &tmu1_device,
314         &tmu2_device,
315         &tmu3_device,
316         &tmu4_device,
317         &tmu5_device,
318         &rtc_device,
319         &usb_ohci_device,
320         &usbf_device,
321 };
322
323 static int __init sh7763_devices_setup(void)
324 {
325         return platform_add_devices(sh7763_devices,
326                                     ARRAY_SIZE(sh7763_devices));
327 }
328 arch_initcall(sh7763_devices_setup);
329
330 static struct platform_device *sh7763_early_devices[] __initdata = {
331         &scif0_device,
332         &scif1_device,
333         &scif2_device,
334         &tmu0_device,
335         &tmu1_device,
336         &tmu2_device,
337         &tmu3_device,
338         &tmu4_device,
339         &tmu5_device,
340 };
341
342 void __init plat_early_device_setup(void)
343 {
344         early_platform_add_devices(sh7763_early_devices,
345                                    ARRAY_SIZE(sh7763_early_devices));
346 }
347
348 enum {
349         UNUSED = 0,
350
351         /* interrupt sources */
352
353         IRL_LLLL, IRL_LLLH, IRL_LLHL, IRL_LLHH,
354         IRL_LHLL, IRL_LHLH, IRL_LHHL, IRL_LHHH,
355         IRL_HLLL, IRL_HLLH, IRL_HLHL, IRL_HLHH,
356         IRL_HHLL, IRL_HHLH, IRL_HHHL,
357
358         IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7,
359         RTC, WDT, TMU0, TMU1, TMU2, TMU2_TICPI,
360         HUDI, LCDC, DMAC, SCIF0, IIC0, IIC1, CMT, GETHER, HAC,
361         PCISERR, PCIINTA, PCIINTB, PCIINTC, PCIINTD, PCIC5,
362         STIF0, STIF1, SCIF1, SIOF0, SIOF1, SIOF2,
363         USBH, USBF, TPU, PCC, MMCIF, SIM,
364         TMU3, TMU4, TMU5, ADC, SSI0, SSI1, SSI2, SSI3,
365         SCIF2, GPIO,
366
367         /* interrupt groups */
368
369         TMU012, TMU345,
370 };
371
372 static struct intc_vect vectors[] __initdata = {
373         INTC_VECT(RTC, 0x480), INTC_VECT(RTC, 0x4a0),
374         INTC_VECT(RTC, 0x4c0),
375         INTC_VECT(WDT, 0x560), INTC_VECT(TMU0, 0x580),
376         INTC_VECT(TMU1, 0x5a0), INTC_VECT(TMU2, 0x5c0),
377         INTC_VECT(TMU2_TICPI, 0x5e0), INTC_VECT(HUDI, 0x600),
378         INTC_VECT(LCDC, 0x620),
379         INTC_VECT(DMAC, 0x640), INTC_VECT(DMAC, 0x660),
380         INTC_VECT(DMAC, 0x680), INTC_VECT(DMAC, 0x6a0),
381         INTC_VECT(DMAC, 0x6c0),
382         INTC_VECT(SCIF0, 0x700), INTC_VECT(SCIF0, 0x720),
383         INTC_VECT(SCIF0, 0x740), INTC_VECT(SCIF0, 0x760),
384         INTC_VECT(DMAC, 0x780), INTC_VECT(DMAC, 0x7a0),
385         INTC_VECT(IIC0, 0x8A0), INTC_VECT(IIC1, 0x8C0),
386         INTC_VECT(CMT, 0x900), INTC_VECT(GETHER, 0x920),
387         INTC_VECT(GETHER, 0x940), INTC_VECT(GETHER, 0x960),
388         INTC_VECT(HAC, 0x980),
389         INTC_VECT(PCISERR, 0xa00), INTC_VECT(PCIINTA, 0xa20),
390         INTC_VECT(PCIINTB, 0xa40), INTC_VECT(PCIINTC, 0xa60),
391         INTC_VECT(PCIINTD, 0xa80), INTC_VECT(PCIC5, 0xaa0),
392         INTC_VECT(PCIC5, 0xac0), INTC_VECT(PCIC5, 0xae0),
393         INTC_VECT(PCIC5, 0xb00), INTC_VECT(PCIC5, 0xb20),
394         INTC_VECT(STIF0, 0xb40), INTC_VECT(STIF1, 0xb60),
395         INTC_VECT(SCIF1, 0xb80), INTC_VECT(SCIF1, 0xba0),
396         INTC_VECT(SCIF1, 0xbc0), INTC_VECT(SCIF1, 0xbe0),
397         INTC_VECT(SIOF0, 0xc00), INTC_VECT(SIOF1, 0xc20),
398         INTC_VECT(USBH, 0xc60), INTC_VECT(USBF, 0xc80),
399         INTC_VECT(USBF, 0xca0),
400         INTC_VECT(TPU, 0xcc0), INTC_VECT(PCC, 0xce0),
401         INTC_VECT(MMCIF, 0xd00), INTC_VECT(MMCIF, 0xd20),
402         INTC_VECT(MMCIF, 0xd40), INTC_VECT(MMCIF, 0xd60),
403         INTC_VECT(SIM, 0xd80), INTC_VECT(SIM, 0xda0),
404         INTC_VECT(SIM, 0xdc0), INTC_VECT(SIM, 0xde0),
405         INTC_VECT(TMU3, 0xe00), INTC_VECT(TMU4, 0xe20),
406         INTC_VECT(TMU5, 0xe40), INTC_VECT(ADC, 0xe60),
407         INTC_VECT(SSI0, 0xe80), INTC_VECT(SSI1, 0xea0),
408         INTC_VECT(SSI2, 0xec0), INTC_VECT(SSI3, 0xee0),
409         INTC_VECT(SCIF2, 0xf00), INTC_VECT(SCIF2, 0xf20),
410         INTC_VECT(SCIF2, 0xf40), INTC_VECT(SCIF2, 0xf60),
411         INTC_VECT(GPIO, 0xf80), INTC_VECT(GPIO, 0xfa0),
412         INTC_VECT(GPIO, 0xfc0), INTC_VECT(GPIO, 0xfe0),
413 };
414
415 static struct intc_group groups[] __initdata = {
416         INTC_GROUP(TMU012, TMU0, TMU1, TMU2, TMU2_TICPI),
417         INTC_GROUP(TMU345, TMU3, TMU4, TMU5),
418 };
419
420 static struct intc_mask_reg mask_registers[] __initdata = {
421         { 0xffd40038, 0xffd4003c, 32, /* INT2MSKR / INT2MSKCR */
422           { 0, 0, 0, 0, 0, 0, GPIO, 0,
423             SSI0, MMCIF, 0, SIOF0, PCIC5, PCIINTD, PCIINTC, PCIINTB,
424             PCIINTA, PCISERR, HAC, CMT, 0, 0, 0, DMAC,
425             HUDI, 0, WDT, SCIF1, SCIF0, RTC, TMU345, TMU012 } },
426         { 0xffd400d0, 0xffd400d4, 32, /* INT2MSKR1 / INT2MSKCR1 */
427           { 0, 0, 0, 0, 0, 0, SCIF2, USBF,
428             0, 0, STIF1, STIF0, 0, 0, USBH, GETHER,
429             PCC, 0, 0, ADC, TPU, SIM, SIOF2, SIOF1,
430             LCDC, 0, IIC1, IIC0, SSI3, SSI2, SSI1, 0 } },
431 };
432
433 static struct intc_prio_reg prio_registers[] __initdata = {
434         { 0xffd40000, 0, 32, 8, /* INT2PRI0 */ { TMU0, TMU1,
435                                                  TMU2, TMU2_TICPI } },
436         { 0xffd40004, 0, 32, 8, /* INT2PRI1 */ { TMU3, TMU4, TMU5, RTC } },
437         { 0xffd40008, 0, 32, 8, /* INT2PRI2 */ { SCIF0, SCIF1, WDT } },
438         { 0xffd4000c, 0, 32, 8, /* INT2PRI3 */ { HUDI, DMAC, ADC } },
439         { 0xffd40010, 0, 32, 8, /* INT2PRI4 */ { CMT, HAC,
440                                                  PCISERR, PCIINTA } },
441         { 0xffd40014, 0, 32, 8, /* INT2PRI5 */ { PCIINTB, PCIINTC,
442                                                  PCIINTD, PCIC5 } },
443         { 0xffd40018, 0, 32, 8, /* INT2PRI6 */ { SIOF0, USBF, MMCIF, SSI0 } },
444         { 0xffd4001c, 0, 32, 8, /* INT2PRI7 */ { SCIF2, GPIO } },
445         { 0xffd400a0, 0, 32, 8, /* INT2PRI8 */ { SSI3, SSI2, SSI1, 0 } },
446         { 0xffd400a4, 0, 32, 8, /* INT2PRI9 */ { LCDC, 0, IIC1, IIC0 } },
447         { 0xffd400a8, 0, 32, 8, /* INT2PRI10 */ { TPU, SIM, SIOF2, SIOF1 } },
448         { 0xffd400ac, 0, 32, 8, /* INT2PRI11 */ { PCC } },
449         { 0xffd400b0, 0, 32, 8, /* INT2PRI12 */ { 0, 0, USBH, GETHER } },
450         { 0xffd400b4, 0, 32, 8, /* INT2PRI13 */ { 0, 0, STIF1, STIF0 } },
451 };
452
453 static DECLARE_INTC_DESC(intc_desc, "sh7763", vectors, groups,
454                          mask_registers, prio_registers, NULL);
455
456 /* Support for external interrupt pins in IRQ mode */
457 static struct intc_vect irq_vectors[] __initdata = {
458         INTC_VECT(IRQ0, 0x240), INTC_VECT(IRQ1, 0x280),
459         INTC_VECT(IRQ2, 0x2c0), INTC_VECT(IRQ3, 0x300),
460         INTC_VECT(IRQ4, 0x340), INTC_VECT(IRQ5, 0x380),
461         INTC_VECT(IRQ6, 0x3c0), INTC_VECT(IRQ7, 0x200),
462 };
463
464 static struct intc_mask_reg irq_mask_registers[] __initdata = {
465         { 0xffd00044, 0xffd00064, 32, /* INTMSK0 / INTMSKCLR0 */
466           { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } },
467 };
468
469 static struct intc_prio_reg irq_prio_registers[] __initdata = {
470         { 0xffd00010, 0, 32, 4, /* INTPRI */ { IRQ0, IRQ1, IRQ2, IRQ3,
471                                                IRQ4, IRQ5, IRQ6, IRQ7 } },
472 };
473
474 static struct intc_sense_reg irq_sense_registers[] __initdata = {
475         { 0xffd0001c, 32, 2, /* ICR1 */   { IRQ0, IRQ1, IRQ2, IRQ3,
476                                             IRQ4, IRQ5, IRQ6, IRQ7 } },
477 };
478
479 static struct intc_mask_reg irq_ack_registers[] __initdata = {
480         { 0xffd00024, 0, 32, /* INTREQ */
481           { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } },
482 };
483
484 static DECLARE_INTC_DESC_ACK(intc_irq_desc, "sh7763-irq", irq_vectors,
485                              NULL, irq_mask_registers, irq_prio_registers,
486                              irq_sense_registers, irq_ack_registers);
487
488
489 /* External interrupt pins in IRL mode */
490 static struct intc_vect irl_vectors[] __initdata = {
491         INTC_VECT(IRL_LLLL, 0x200), INTC_VECT(IRL_LLLH, 0x220),
492         INTC_VECT(IRL_LLHL, 0x240), INTC_VECT(IRL_LLHH, 0x260),
493         INTC_VECT(IRL_LHLL, 0x280), INTC_VECT(IRL_LHLH, 0x2a0),
494         INTC_VECT(IRL_LHHL, 0x2c0), INTC_VECT(IRL_LHHH, 0x2e0),
495         INTC_VECT(IRL_HLLL, 0x300), INTC_VECT(IRL_HLLH, 0x320),
496         INTC_VECT(IRL_HLHL, 0x340), INTC_VECT(IRL_HLHH, 0x360),
497         INTC_VECT(IRL_HHLL, 0x380), INTC_VECT(IRL_HHLH, 0x3a0),
498         INTC_VECT(IRL_HHHL, 0x3c0),
499 };
500
501 static struct intc_mask_reg irl3210_mask_registers[] __initdata = {
502         { 0xffd40080, 0xffd40084, 32, /* INTMSK2 / INTMSKCLR2 */
503           { IRL_LLLL, IRL_LLLH, IRL_LLHL, IRL_LLHH,
504             IRL_LHLL, IRL_LHLH, IRL_LHHL, IRL_LHHH,
505             IRL_HLLL, IRL_HLLH, IRL_HLHL, IRL_HLHH,
506             IRL_HHLL, IRL_HHLH, IRL_HHHL, } },
507 };
508
509 static struct intc_mask_reg irl7654_mask_registers[] __initdata = {
510         { 0xffd40080, 0xffd40084, 32, /* INTMSK2 / INTMSKCLR2 */
511           { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
512             IRL_LLLL, IRL_LLLH, IRL_LLHL, IRL_LLHH,
513             IRL_LHLL, IRL_LHLH, IRL_LHHL, IRL_LHHH,
514             IRL_HLLL, IRL_HLLH, IRL_HLHL, IRL_HLHH,
515             IRL_HHLL, IRL_HHLH, IRL_HHHL, } },
516 };
517
518 static DECLARE_INTC_DESC(intc_irl7654_desc, "sh7763-irl7654", irl_vectors,
519                         NULL, irl7654_mask_registers, NULL, NULL);
520
521 static DECLARE_INTC_DESC(intc_irl3210_desc, "sh7763-irl3210", irl_vectors,
522                         NULL, irl3210_mask_registers, NULL, NULL);
523
524 #define INTC_ICR0       0xffd00000
525 #define INTC_INTMSK0    0xffd00044
526 #define INTC_INTMSK1    0xffd00048
527 #define INTC_INTMSK2    0xffd40080
528 #define INTC_INTMSKCLR1 0xffd00068
529 #define INTC_INTMSKCLR2 0xffd40084
530
531 void __init plat_irq_setup(void)
532 {
533         /* disable IRQ7-0 */
534         __raw_writel(0xff000000, INTC_INTMSK0);
535
536         /* disable IRL3-0 + IRL7-4 */
537         __raw_writel(0xc0000000, INTC_INTMSK1);
538         __raw_writel(0xfffefffe, INTC_INTMSK2);
539
540         register_intc_controller(&intc_desc);
541 }
542
543 void __init plat_irq_setup_pins(int mode)
544 {
545         switch (mode) {
546         case IRQ_MODE_IRQ:
547                 /* select IRQ mode for IRL3-0 + IRL7-4 */
548                 __raw_writel(__raw_readl(INTC_ICR0) | 0x00c00000, INTC_ICR0);
549                 register_intc_controller(&intc_irq_desc);
550                 break;
551         case IRQ_MODE_IRL7654:
552                 /* enable IRL7-4 but don't provide any masking */
553                 __raw_writel(0x40000000, INTC_INTMSKCLR1);
554                 __raw_writel(0x0000fffe, INTC_INTMSKCLR2);
555                 break;
556         case IRQ_MODE_IRL3210:
557                 /* enable IRL0-3 but don't provide any masking */
558                 __raw_writel(0x80000000, INTC_INTMSKCLR1);
559                 __raw_writel(0xfffe0000, INTC_INTMSKCLR2);
560                 break;
561         case IRQ_MODE_IRL7654_MASK:
562                 /* enable IRL7-4 and mask using cpu intc controller */
563                 __raw_writel(0x40000000, INTC_INTMSKCLR1);
564                 register_intc_controller(&intc_irl7654_desc);
565                 break;
566         case IRQ_MODE_IRL3210_MASK:
567                 /* enable IRL0-3 and mask using cpu intc controller */
568                 __raw_writel(0x80000000, INTC_INTMSKCLR1);
569                 register_intc_controller(&intc_irl3210_desc);
570                 break;
571         default:
572                 BUG();
573         }
574 }