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  • only in /asuswrt-rt-n18u-9.0.0.4.380.2695/release/src-rt-6.x.4708/linux/linux-2.6.36/arch/sh/kernel/cpu/sh4a/
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
19static struct plat_sci_port scif0_platform_data = {
20	.mapbase	= 0xffe00000,
21	.flags		= UPF_BOOT_AUTOCONF,
22	.type		= PORT_SCIF,
23	.irqs		= { 40, 40, 40, 40 },
24};
25
26static struct platform_device scif0_device = {
27	.name		= "sh-sci",
28	.id		= 0,
29	.dev		= {
30		.platform_data	= &scif0_platform_data,
31	},
32};
33
34static struct plat_sci_port scif1_platform_data = {
35	.mapbase	= 0xffe08000,
36	.flags		= UPF_BOOT_AUTOCONF,
37	.type		= PORT_SCIF,
38	.irqs		= { 76, 76, 76, 76 },
39};
40
41static struct platform_device scif1_device = {
42	.name		= "sh-sci",
43	.id		= 1,
44	.dev		= {
45		.platform_data	= &scif1_platform_data,
46	},
47};
48
49static struct plat_sci_port scif2_platform_data = {
50	.mapbase	= 0xffe10000,
51	.flags		= UPF_BOOT_AUTOCONF,
52	.type		= PORT_SCIF,
53	.irqs		= { 104, 104, 104, 104 },
54};
55
56static struct platform_device scif2_device = {
57	.name		= "sh-sci",
58	.id		= 2,
59	.dev		= {
60		.platform_data	= &scif2_platform_data,
61	},
62};
63
64static struct resource rtc_resources[] = {
65	[0] = {
66		.start	= 0xffe80000,
67		.end	= 0xffe80000 + 0x58 - 1,
68		.flags	= IORESOURCE_IO,
69	},
70	[1] = {
71		/* Shared Period/Carry/Alarm IRQ */
72		.start  = 20,
73		.flags	= IORESOURCE_IRQ,
74	},
75};
76
77static struct platform_device rtc_device = {
78	.name		= "sh-rtc",
79	.id		= -1,
80	.num_resources	= ARRAY_SIZE(rtc_resources),
81	.resource	= rtc_resources,
82};
83
84static struct resource usb_ohci_resources[] = {
85	[0] = {
86		.start	= 0xffec8000,
87		.end	= 0xffec80ff,
88		.flags	= IORESOURCE_MEM,
89	},
90	[1] = {
91		.start	= 83,
92		.end	= 83,
93		.flags	= IORESOURCE_IRQ,
94	},
95};
96
97static u64 usb_ohci_dma_mask = 0xffffffffUL;
98static struct platform_device usb_ohci_device = {
99	.name		= "sh_ohci",
100	.id		= -1,
101	.dev = {
102		.dma_mask		= &usb_ohci_dma_mask,
103		.coherent_dma_mask	= 0xffffffff,
104	},
105	.num_resources	= ARRAY_SIZE(usb_ohci_resources),
106	.resource	= usb_ohci_resources,
107};
108
109static struct resource usbf_resources[] = {
110	[0] = {
111		.start	= 0xffec0000,
112		.end	= 0xffec00ff,
113		.flags	= IORESOURCE_MEM,
114	},
115	[1] = {
116		.start	= 84,
117		.end	= 84,
118		.flags	= IORESOURCE_IRQ,
119	},
120};
121
122static struct platform_device usbf_device = {
123	.name		= "sh_udc",
124	.id		= -1,
125	.dev = {
126		.dma_mask		= NULL,
127		.coherent_dma_mask	= 0xffffffff,
128	},
129	.num_resources	= ARRAY_SIZE(usbf_resources),
130	.resource	= usbf_resources,
131};
132
133static struct sh_timer_config tmu0_platform_data = {
134	.channel_offset = 0x04,
135	.timer_bit = 0,
136	.clockevent_rating = 200,
137};
138
139static struct resource tmu0_resources[] = {
140	[0] = {
141		.start	= 0xffd80008,
142		.end	= 0xffd80013,
143		.flags	= IORESOURCE_MEM,
144	},
145	[1] = {
146		.start	= 28,
147		.flags	= IORESOURCE_IRQ,
148	},
149};
150
151static struct platform_device tmu0_device = {
152	.name		= "sh_tmu",
153	.id		= 0,
154	.dev = {
155		.platform_data	= &tmu0_platform_data,
156	},
157	.resource	= tmu0_resources,
158	.num_resources	= ARRAY_SIZE(tmu0_resources),
159};
160
161static struct sh_timer_config tmu1_platform_data = {
162	.channel_offset = 0x10,
163	.timer_bit = 1,
164	.clocksource_rating = 200,
165};
166
167static struct resource tmu1_resources[] = {
168	[0] = {
169		.start	= 0xffd80014,
170		.end	= 0xffd8001f,
171		.flags	= IORESOURCE_MEM,
172	},
173	[1] = {
174		.start	= 29,
175		.flags	= IORESOURCE_IRQ,
176	},
177};
178
179static struct platform_device tmu1_device = {
180	.name		= "sh_tmu",
181	.id		= 1,
182	.dev = {
183		.platform_data	= &tmu1_platform_data,
184	},
185	.resource	= tmu1_resources,
186	.num_resources	= ARRAY_SIZE(tmu1_resources),
187};
188
189static struct sh_timer_config tmu2_platform_data = {
190	.channel_offset = 0x1c,
191	.timer_bit = 2,
192};
193
194static struct resource tmu2_resources[] = {
195	[0] = {
196		.start	= 0xffd80020,
197		.end	= 0xffd8002f,
198		.flags	= IORESOURCE_MEM,
199	},
200	[1] = {
201		.start	= 30,
202		.flags	= IORESOURCE_IRQ,
203	},
204};
205
206static struct platform_device tmu2_device = {
207	.name		= "sh_tmu",
208	.id		= 2,
209	.dev = {
210		.platform_data	= &tmu2_platform_data,
211	},
212	.resource	= tmu2_resources,
213	.num_resources	= ARRAY_SIZE(tmu2_resources),
214};
215
216static struct sh_timer_config tmu3_platform_data = {
217	.channel_offset = 0x04,
218	.timer_bit = 0,
219};
220
221static struct resource tmu3_resources[] = {
222	[0] = {
223		.start	= 0xffd88008,
224		.end	= 0xffd88013,
225		.flags	= IORESOURCE_MEM,
226	},
227	[1] = {
228		.start	= 96,
229		.flags	= IORESOURCE_IRQ,
230	},
231};
232
233static struct platform_device tmu3_device = {
234	.name		= "sh_tmu",
235	.id		= 3,
236	.dev = {
237		.platform_data	= &tmu3_platform_data,
238	},
239	.resource	= tmu3_resources,
240	.num_resources	= ARRAY_SIZE(tmu3_resources),
241};
242
243static struct sh_timer_config tmu4_platform_data = {
244	.channel_offset = 0x10,
245	.timer_bit = 1,
246};
247
248static struct resource tmu4_resources[] = {
249	[0] = {
250		.start	= 0xffd88014,
251		.end	= 0xffd8801f,
252		.flags	= IORESOURCE_MEM,
253	},
254	[1] = {
255		.start	= 97,
256		.flags	= IORESOURCE_IRQ,
257	},
258};
259
260static struct platform_device tmu4_device = {
261	.name		= "sh_tmu",
262	.id		= 4,
263	.dev = {
264		.platform_data	= &tmu4_platform_data,
265	},
266	.resource	= tmu4_resources,
267	.num_resources	= ARRAY_SIZE(tmu4_resources),
268};
269
270static struct sh_timer_config tmu5_platform_data = {
271	.channel_offset = 0x1c,
272	.timer_bit = 2,
273};
274
275static struct resource tmu5_resources[] = {
276	[0] = {
277		.start	= 0xffd88020,
278		.end	= 0xffd8802b,
279		.flags	= IORESOURCE_MEM,
280	},
281	[1] = {
282		.start	= 98,
283		.flags	= IORESOURCE_IRQ,
284	},
285};
286
287static struct platform_device tmu5_device = {
288	.name		= "sh_tmu",
289	.id		= 5,
290	.dev = {
291		.platform_data	= &tmu5_platform_data,
292	},
293	.resource	= tmu5_resources,
294	.num_resources	= ARRAY_SIZE(tmu5_resources),
295};
296
297static struct platform_device *sh7763_devices[] __initdata = {
298	&scif0_device,
299	&scif1_device,
300	&scif2_device,
301	&tmu0_device,
302	&tmu1_device,
303	&tmu2_device,
304	&tmu3_device,
305	&tmu4_device,
306	&tmu5_device,
307	&rtc_device,
308	&usb_ohci_device,
309	&usbf_device,
310};
311
312static int __init sh7763_devices_setup(void)
313{
314	return platform_add_devices(sh7763_devices,
315				    ARRAY_SIZE(sh7763_devices));
316}
317arch_initcall(sh7763_devices_setup);
318
319static struct platform_device *sh7763_early_devices[] __initdata = {
320	&scif0_device,
321	&scif1_device,
322	&scif2_device,
323	&tmu0_device,
324	&tmu1_device,
325	&tmu2_device,
326	&tmu3_device,
327	&tmu4_device,
328	&tmu5_device,
329};
330
331void __init plat_early_device_setup(void)
332{
333	early_platform_add_devices(sh7763_early_devices,
334				   ARRAY_SIZE(sh7763_early_devices));
335}
336
337enum {
338	UNUSED = 0,
339
340	/* interrupt sources */
341
342	IRL_LLLL, IRL_LLLH, IRL_LLHL, IRL_LLHH,
343	IRL_LHLL, IRL_LHLH, IRL_LHHL, IRL_LHHH,
344	IRL_HLLL, IRL_HLLH, IRL_HLHL, IRL_HLHH,
345	IRL_HHLL, IRL_HHLH, IRL_HHHL,
346
347	IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7,
348	RTC, WDT, TMU0, TMU1, TMU2, TMU2_TICPI,
349	HUDI, LCDC, DMAC, SCIF0, IIC0, IIC1, CMT, GETHER, HAC,
350	PCISERR, PCIINTA, PCIINTB, PCIINTC, PCIINTD, PCIC5,
351	STIF0, STIF1, SCIF1, SIOF0, SIOF1, SIOF2,
352	USBH, USBF, TPU, PCC, MMCIF, SIM,
353	TMU3, TMU4, TMU5, ADC, SSI0, SSI1, SSI2, SSI3,
354	SCIF2, GPIO,
355
356	/* interrupt groups */
357
358	TMU012, TMU345,
359};
360
361static struct intc_vect vectors[] __initdata = {
362	INTC_VECT(RTC, 0x480), INTC_VECT(RTC, 0x4a0),
363	INTC_VECT(RTC, 0x4c0),
364	INTC_VECT(WDT, 0x560), INTC_VECT(TMU0, 0x580),
365	INTC_VECT(TMU1, 0x5a0), INTC_VECT(TMU2, 0x5c0),
366	INTC_VECT(TMU2_TICPI, 0x5e0), INTC_VECT(HUDI, 0x600),
367	INTC_VECT(LCDC, 0x620),
368	INTC_VECT(DMAC, 0x640), INTC_VECT(DMAC, 0x660),
369	INTC_VECT(DMAC, 0x680), INTC_VECT(DMAC, 0x6a0),
370	INTC_VECT(DMAC, 0x6c0),
371	INTC_VECT(SCIF0, 0x700), INTC_VECT(SCIF0, 0x720),
372	INTC_VECT(SCIF0, 0x740), INTC_VECT(SCIF0, 0x760),
373	INTC_VECT(DMAC, 0x780), INTC_VECT(DMAC, 0x7a0),
374	INTC_VECT(IIC0, 0x8A0), INTC_VECT(IIC1, 0x8C0),
375	INTC_VECT(CMT, 0x900), INTC_VECT(GETHER, 0x920),
376	INTC_VECT(GETHER, 0x940), INTC_VECT(GETHER, 0x960),
377	INTC_VECT(HAC, 0x980),
378	INTC_VECT(PCISERR, 0xa00), INTC_VECT(PCIINTA, 0xa20),
379	INTC_VECT(PCIINTB, 0xa40), INTC_VECT(PCIINTC, 0xa60),
380	INTC_VECT(PCIINTD, 0xa80), INTC_VECT(PCIC5, 0xaa0),
381	INTC_VECT(PCIC5, 0xac0), INTC_VECT(PCIC5, 0xae0),
382	INTC_VECT(PCIC5, 0xb00), INTC_VECT(PCIC5, 0xb20),
383	INTC_VECT(STIF0, 0xb40), INTC_VECT(STIF1, 0xb60),
384	INTC_VECT(SCIF1, 0xb80), INTC_VECT(SCIF1, 0xba0),
385	INTC_VECT(SCIF1, 0xbc0), INTC_VECT(SCIF1, 0xbe0),
386	INTC_VECT(SIOF0, 0xc00), INTC_VECT(SIOF1, 0xc20),
387	INTC_VECT(USBH, 0xc60), INTC_VECT(USBF, 0xc80),
388	INTC_VECT(USBF, 0xca0),
389	INTC_VECT(TPU, 0xcc0), INTC_VECT(PCC, 0xce0),
390	INTC_VECT(MMCIF, 0xd00), INTC_VECT(MMCIF, 0xd20),
391	INTC_VECT(MMCIF, 0xd40), INTC_VECT(MMCIF, 0xd60),
392	INTC_VECT(SIM, 0xd80), INTC_VECT(SIM, 0xda0),
393	INTC_VECT(SIM, 0xdc0), INTC_VECT(SIM, 0xde0),
394	INTC_VECT(TMU3, 0xe00), INTC_VECT(TMU4, 0xe20),
395	INTC_VECT(TMU5, 0xe40), INTC_VECT(ADC, 0xe60),
396	INTC_VECT(SSI0, 0xe80), INTC_VECT(SSI1, 0xea0),
397	INTC_VECT(SSI2, 0xec0), INTC_VECT(SSI3, 0xee0),
398	INTC_VECT(SCIF2, 0xf00), INTC_VECT(SCIF2, 0xf20),
399	INTC_VECT(SCIF2, 0xf40), INTC_VECT(SCIF2, 0xf60),
400	INTC_VECT(GPIO, 0xf80), INTC_VECT(GPIO, 0xfa0),
401	INTC_VECT(GPIO, 0xfc0), INTC_VECT(GPIO, 0xfe0),
402};
403
404static struct intc_group groups[] __initdata = {
405	INTC_GROUP(TMU012, TMU0, TMU1, TMU2, TMU2_TICPI),
406	INTC_GROUP(TMU345, TMU3, TMU4, TMU5),
407};
408
409static struct intc_mask_reg mask_registers[] __initdata = {
410	{ 0xffd40038, 0xffd4003c, 32, /* INT2MSKR / INT2MSKCR */
411	  { 0, 0, 0, 0, 0, 0, GPIO, 0,
412	    SSI0, MMCIF, 0, SIOF0, PCIC5, PCIINTD, PCIINTC, PCIINTB,
413	    PCIINTA, PCISERR, HAC, CMT, 0, 0, 0, DMAC,
414	    HUDI, 0, WDT, SCIF1, SCIF0, RTC, TMU345, TMU012 } },
415	{ 0xffd400d0, 0xffd400d4, 32, /* INT2MSKR1 / INT2MSKCR1 */
416	  { 0, 0, 0, 0, 0, 0, SCIF2, USBF,
417	    0, 0, STIF1, STIF0, 0, 0, USBH, GETHER,
418	    PCC, 0, 0, ADC, TPU, SIM, SIOF2, SIOF1,
419	    LCDC, 0, IIC1, IIC0, SSI3, SSI2, SSI1, 0 } },
420};
421
422static struct intc_prio_reg prio_registers[] __initdata = {
423	{ 0xffd40000, 0, 32, 8, /* INT2PRI0 */ { TMU0, TMU1,
424						 TMU2, TMU2_TICPI } },
425	{ 0xffd40004, 0, 32, 8, /* INT2PRI1 */ { TMU3, TMU4, TMU5, RTC } },
426	{ 0xffd40008, 0, 32, 8, /* INT2PRI2 */ { SCIF0, SCIF1, WDT } },
427	{ 0xffd4000c, 0, 32, 8, /* INT2PRI3 */ { HUDI, DMAC, ADC } },
428	{ 0xffd40010, 0, 32, 8, /* INT2PRI4 */ { CMT, HAC,
429						 PCISERR, PCIINTA } },
430	{ 0xffd40014, 0, 32, 8, /* INT2PRI5 */ { PCIINTB, PCIINTC,
431						 PCIINTD, PCIC5 } },
432	{ 0xffd40018, 0, 32, 8, /* INT2PRI6 */ { SIOF0, USBF, MMCIF, SSI0 } },
433	{ 0xffd4001c, 0, 32, 8, /* INT2PRI7 */ { SCIF2, GPIO } },
434	{ 0xffd400a0, 0, 32, 8, /* INT2PRI8 */ { SSI3, SSI2, SSI1, 0 } },
435	{ 0xffd400a4, 0, 32, 8, /* INT2PRI9 */ { LCDC, 0, IIC1, IIC0 } },
436	{ 0xffd400a8, 0, 32, 8, /* INT2PRI10 */ { TPU, SIM, SIOF2, SIOF1 } },
437	{ 0xffd400ac, 0, 32, 8, /* INT2PRI11 */ { PCC } },
438	{ 0xffd400b0, 0, 32, 8, /* INT2PRI12 */ { 0, 0, USBH, GETHER } },
439	{ 0xffd400b4, 0, 32, 8, /* INT2PRI13 */ { 0, 0, STIF1, STIF0 } },
440};
441
442static DECLARE_INTC_DESC(intc_desc, "sh7763", vectors, groups,
443			 mask_registers, prio_registers, NULL);
444
445/* Support for external interrupt pins in IRQ mode */
446static struct intc_vect irq_vectors[] __initdata = {
447	INTC_VECT(IRQ0, 0x240), INTC_VECT(IRQ1, 0x280),
448	INTC_VECT(IRQ2, 0x2c0), INTC_VECT(IRQ3, 0x300),
449	INTC_VECT(IRQ4, 0x340), INTC_VECT(IRQ5, 0x380),
450	INTC_VECT(IRQ6, 0x3c0), INTC_VECT(IRQ7, 0x200),
451};
452
453static struct intc_mask_reg irq_mask_registers[] __initdata = {
454	{ 0xffd00044, 0xffd00064, 32, /* INTMSK0 / INTMSKCLR0 */
455	  { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } },
456};
457
458static struct intc_prio_reg irq_prio_registers[] __initdata = {
459	{ 0xffd00010, 0, 32, 4, /* INTPRI */ { IRQ0, IRQ1, IRQ2, IRQ3,
460					       IRQ4, IRQ5, IRQ6, IRQ7 } },
461};
462
463static struct intc_sense_reg irq_sense_registers[] __initdata = {
464	{ 0xffd0001c, 32, 2, /* ICR1 */   { IRQ0, IRQ1, IRQ2, IRQ3,
465					    IRQ4, IRQ5, IRQ6, IRQ7 } },
466};
467
468static struct intc_mask_reg irq_ack_registers[] __initdata = {
469	{ 0xffd00024, 0, 32, /* INTREQ */
470	  { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } },
471};
472
473static DECLARE_INTC_DESC_ACK(intc_irq_desc, "sh7763-irq", irq_vectors,
474			     NULL, irq_mask_registers, irq_prio_registers,
475			     irq_sense_registers, irq_ack_registers);
476
477
478/* External interrupt pins in IRL mode */
479static struct intc_vect irl_vectors[] __initdata = {
480	INTC_VECT(IRL_LLLL, 0x200), INTC_VECT(IRL_LLLH, 0x220),
481	INTC_VECT(IRL_LLHL, 0x240), INTC_VECT(IRL_LLHH, 0x260),
482	INTC_VECT(IRL_LHLL, 0x280), INTC_VECT(IRL_LHLH, 0x2a0),
483	INTC_VECT(IRL_LHHL, 0x2c0), INTC_VECT(IRL_LHHH, 0x2e0),
484	INTC_VECT(IRL_HLLL, 0x300), INTC_VECT(IRL_HLLH, 0x320),
485	INTC_VECT(IRL_HLHL, 0x340), INTC_VECT(IRL_HLHH, 0x360),
486	INTC_VECT(IRL_HHLL, 0x380), INTC_VECT(IRL_HHLH, 0x3a0),
487	INTC_VECT(IRL_HHHL, 0x3c0),
488};
489
490static struct intc_mask_reg irl3210_mask_registers[] __initdata = {
491	{ 0xffd40080, 0xffd40084, 32, /* INTMSK2 / INTMSKCLR2 */
492	  { IRL_LLLL, IRL_LLLH, IRL_LLHL, IRL_LLHH,
493	    IRL_LHLL, IRL_LHLH, IRL_LHHL, IRL_LHHH,
494	    IRL_HLLL, IRL_HLLH, IRL_HLHL, IRL_HLHH,
495	    IRL_HHLL, IRL_HHLH, IRL_HHHL, } },
496};
497
498static struct intc_mask_reg irl7654_mask_registers[] __initdata = {
499	{ 0xffd40080, 0xffd40084, 32, /* INTMSK2 / INTMSKCLR2 */
500	  { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
501	    IRL_LLLL, IRL_LLLH, IRL_LLHL, IRL_LLHH,
502	    IRL_LHLL, IRL_LHLH, IRL_LHHL, IRL_LHHH,
503	    IRL_HLLL, IRL_HLLH, IRL_HLHL, IRL_HLHH,
504	    IRL_HHLL, IRL_HHLH, IRL_HHHL, } },
505};
506
507static DECLARE_INTC_DESC(intc_irl7654_desc, "sh7763-irl7654", irl_vectors,
508			NULL, irl7654_mask_registers, NULL, NULL);
509
510static DECLARE_INTC_DESC(intc_irl3210_desc, "sh7763-irl3210", irl_vectors,
511			NULL, irl3210_mask_registers, NULL, NULL);
512
513#define INTC_ICR0	0xffd00000
514#define INTC_INTMSK0	0xffd00044
515#define INTC_INTMSK1	0xffd00048
516#define INTC_INTMSK2	0xffd40080
517#define INTC_INTMSKCLR1	0xffd00068
518#define INTC_INTMSKCLR2	0xffd40084
519
520void __init plat_irq_setup(void)
521{
522	/* disable IRQ7-0 */
523	__raw_writel(0xff000000, INTC_INTMSK0);
524
525	/* disable IRL3-0 + IRL7-4 */
526	__raw_writel(0xc0000000, INTC_INTMSK1);
527	__raw_writel(0xfffefffe, INTC_INTMSK2);
528
529	register_intc_controller(&intc_desc);
530}
531
532void __init plat_irq_setup_pins(int mode)
533{
534	switch (mode) {
535	case IRQ_MODE_IRQ:
536		/* select IRQ mode for IRL3-0 + IRL7-4 */
537		__raw_writel(__raw_readl(INTC_ICR0) | 0x00c00000, INTC_ICR0);
538		register_intc_controller(&intc_irq_desc);
539		break;
540	case IRQ_MODE_IRL7654:
541		/* enable IRL7-4 but don't provide any masking */
542		__raw_writel(0x40000000, INTC_INTMSKCLR1);
543		__raw_writel(0x0000fffe, INTC_INTMSKCLR2);
544		break;
545	case IRQ_MODE_IRL3210:
546		/* enable IRL0-3 but don't provide any masking */
547		__raw_writel(0x80000000, INTC_INTMSKCLR1);
548		__raw_writel(0xfffe0000, INTC_INTMSKCLR2);
549		break;
550	case IRQ_MODE_IRL7654_MASK:
551		/* enable IRL7-4 and mask using cpu intc controller */
552		__raw_writel(0x40000000, INTC_INTMSKCLR1);
553		register_intc_controller(&intc_irl7654_desc);
554		break;
555	case IRQ_MODE_IRL3210_MASK:
556		/* enable IRL0-3 and mask using cpu intc controller */
557		__raw_writel(0x80000000, INTC_INTMSKCLR1);
558		register_intc_controller(&intc_irl3210_desc);
559		break;
560	default:
561		BUG();
562	}
563}
564