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setup-sh7734.c
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1 /*
2  * arch/sh/kernel/cpu/sh4a/setup-sh7734.c
3 
4  * SH7734 Setup
5  *
6  * Copyright (C) 2011,2012 Nobuhiro Iwamatsu <[email protected]>
7  * Copyright (C) 2011,2012 Renesas Solutions Corp.
8  *
9  * This file is subject to the terms and conditions of the GNU General Public
10  * License. See the file "COPYING" in the main directory of this archive
11  * for more details.
12  */
13 
14 #include <linux/platform_device.h>
15 #include <linux/init.h>
16 #include <linux/serial.h>
17 #include <linux/mm.h>
18 #include <linux/dma-mapping.h>
19 #include <linux/serial_sci.h>
20 #include <linux/sh_timer.h>
21 #include <linux/io.h>
22 #include <asm/clock.h>
23 #include <asm/irq.h>
24 #include <cpu/sh7734.h>
25 
26 /* SCIF */
27 static struct plat_sci_port scif0_platform_data = {
28  .mapbase = 0xFFE40000,
29  .flags = UPF_BOOT_AUTOCONF,
30  .scscr = SCSCR_RE | SCSCR_TE | SCSCR_REIE,
31  .scbrr_algo_id = SCBRR_ALGO_2,
32  .type = PORT_SCIF,
33  .irqs = SCIx_IRQ_MUXED(evt2irq(0x8C0)),
34  .regtype = SCIx_SH4_SCIF_REGTYPE,
35 };
36 
37 static struct platform_device scif0_device = {
38  .name = "sh-sci",
39  .id = 0,
40  .dev = {
41  .platform_data = &scif0_platform_data,
42  },
43 };
44 
45 static struct plat_sci_port scif1_platform_data = {
46  .mapbase = 0xFFE41000,
47  .flags = UPF_BOOT_AUTOCONF,
48  .scscr = SCSCR_RE | SCSCR_TE | SCSCR_REIE,
49  .scbrr_algo_id = SCBRR_ALGO_2,
50  .type = PORT_SCIF,
51  .irqs = SCIx_IRQ_MUXED(evt2irq(0x8E0)),
52  .regtype = SCIx_SH4_SCIF_REGTYPE,
53 };
54 
55 static struct platform_device scif1_device = {
56  .name = "sh-sci",
57  .id = 1,
58  .dev = {
59  .platform_data = &scif1_platform_data,
60  },
61 };
62 
63 static struct plat_sci_port scif2_platform_data = {
64  .mapbase = 0xFFE42000,
65  .flags = UPF_BOOT_AUTOCONF,
66  .scscr = SCSCR_RE | SCSCR_TE | SCSCR_REIE,
67  .scbrr_algo_id = SCBRR_ALGO_2,
68  .type = PORT_SCIF,
69  .irqs = SCIx_IRQ_MUXED(evt2irq(0x900)),
70  .regtype = SCIx_SH4_SCIF_REGTYPE,
71 };
72 
73 static struct platform_device scif2_device = {
74  .name = "sh-sci",
75  .id = 2,
76  .dev = {
77  .platform_data = &scif2_platform_data,
78  },
79 };
80 
81 static struct plat_sci_port scif3_platform_data = {
82  .mapbase = 0xFFE43000,
83  .flags = UPF_BOOT_AUTOCONF,
84  .scscr = SCSCR_RE | SCSCR_TE | SCSCR_REIE | SCSCR_TOIE,
85  .scbrr_algo_id = SCBRR_ALGO_2,
86  .type = PORT_SCIF,
87  .irqs = SCIx_IRQ_MUXED(evt2irq(0x920)),
88  .regtype = SCIx_SH4_SCIF_REGTYPE,
89 };
90 
91 static struct platform_device scif3_device = {
92  .name = "sh-sci",
93  .id = 3,
94  .dev = {
95  .platform_data = &scif3_platform_data,
96  },
97 };
98 
99 static struct plat_sci_port scif4_platform_data = {
100  .mapbase = 0xFFE44000,
101  .flags = UPF_BOOT_AUTOCONF,
102  .scscr = SCSCR_RE | SCSCR_TE | SCSCR_REIE,
103  .scbrr_algo_id = SCBRR_ALGO_2,
104  .type = PORT_SCIF,
105  .irqs = SCIx_IRQ_MUXED(evt2irq(0x940)),
106  .regtype = SCIx_SH4_SCIF_REGTYPE,
107 };
108 
109 static struct platform_device scif4_device = {
110  .name = "sh-sci",
111  .id = 4,
112  .dev = {
113  .platform_data = &scif4_platform_data,
114  },
115 };
116 
117 static struct plat_sci_port scif5_platform_data = {
118  .mapbase = 0xFFE43000,
119  .flags = UPF_BOOT_AUTOCONF,
120  .scscr = SCSCR_RE | SCSCR_TE | SCSCR_REIE,
121  .scbrr_algo_id = SCBRR_ALGO_2,
122  .type = PORT_SCIF,
123  .irqs = SCIx_IRQ_MUXED(evt2irq(0x960)),
124  .regtype = SCIx_SH4_SCIF_REGTYPE,
125 };
126 
127 static struct platform_device scif5_device = {
128  .name = "sh-sci",
129  .id = 5,
130  .dev = {
131  .platform_data = &scif5_platform_data,
132  },
133 };
134 
135 /* RTC */
136 static struct resource rtc_resources[] = {
137  [0] = {
138  .name = "rtc",
139  .start = 0xFFFC5000,
140  .end = 0xFFFC5000 + 0x26 - 1,
141  .flags = IORESOURCE_IO,
142  },
143  [1] = {
144  .start = evt2irq(0xC00),
145  .flags = IORESOURCE_IRQ,
146  },
147 };
148 
149 static struct platform_device rtc_device = {
150  .name = "sh-rtc",
151  .id = -1,
152  .num_resources = ARRAY_SIZE(rtc_resources),
153  .resource = rtc_resources,
154 };
155 
156 /* I2C 0 */
157 static struct resource i2c0_resources[] = {
158  [0] = {
159  .name = "IIC0",
160  .start = 0xFFC70000,
161  .end = 0xFFC7000A - 1,
162  .flags = IORESOURCE_MEM,
163  },
164  [1] = {
165  .start = evt2irq(0x860),
166  .flags = IORESOURCE_IRQ,
167  },
168 };
169 
170 static struct platform_device i2c0_device = {
171  .name = "i2c-sh7734",
172  .id = 0,
173  .num_resources = ARRAY_SIZE(i2c0_resources),
174  .resource = i2c0_resources,
175 };
176 
177 /* TMU */
178 static struct sh_timer_config tmu0_platform_data = {
179  .channel_offset = 0x04,
180  .timer_bit = 0,
181  .clockevent_rating = 200,
182 };
183 
184 static struct resource tmu0_resources[] = {
185  [0] = {
186  .start = 0xFFD80008,
187  .end = 0xFFD80014 - 1,
188  .flags = IORESOURCE_MEM,
189  },
190  [1] = {
191  .start = evt2irq(0x400),
192  .flags = IORESOURCE_IRQ,
193  },
194 };
195 
196 static struct platform_device tmu0_device = {
197  .name = "sh_tmu",
198  .id = 0,
199  .dev = {
200  .platform_data = &tmu0_platform_data,
201  },
202  .resource = tmu0_resources,
203  .num_resources = ARRAY_SIZE(tmu0_resources),
204 };
205 
206 static struct sh_timer_config tmu1_platform_data = {
207  .channel_offset = 0x10,
208  .timer_bit = 1,
209  .clocksource_rating = 200,
210 };
211 
212 static struct resource tmu1_resources[] = {
213  [0] = {
214  .start = 0xFFD80014,
215  .end = 0xFFD80020 - 1,
216  .flags = IORESOURCE_MEM,
217  },
218  [1] = {
219  .start = evt2irq(0x420),
220  .flags = IORESOURCE_IRQ,
221  },
222 };
223 
224 static struct platform_device tmu1_device = {
225  .name = "sh_tmu",
226  .id = 1,
227  .dev = {
228  .platform_data = &tmu1_platform_data,
229  },
230  .resource = tmu1_resources,
231  .num_resources = ARRAY_SIZE(tmu1_resources),
232 };
233 
234 static struct sh_timer_config tmu2_platform_data = {
235  .channel_offset = 0x1c,
236  .timer_bit = 2,
237 };
238 
239 static struct resource tmu2_resources[] = {
240  [0] = {
241  .start = 0xFFD80020,
242  .end = 0xFFD80030 - 1,
243  .flags = IORESOURCE_MEM,
244  },
245  [1] = {
246  .start = evt2irq(0x440),
247  .flags = IORESOURCE_IRQ,
248  },
249 };
250 
251 static struct platform_device tmu2_device = {
252  .name = "sh_tmu",
253  .id = 2,
254  .dev = {
255  .platform_data = &tmu2_platform_data,
256  },
257  .resource = tmu2_resources,
258  .num_resources = ARRAY_SIZE(tmu2_resources),
259 };
260 
261 
262 static struct sh_timer_config tmu3_platform_data = {
263  .channel_offset = 0x04,
264  .timer_bit = 0,
265 };
266 
267 static struct resource tmu3_resources[] = {
268  [0] = {
269  .start = 0xFFD81008,
270  .end = 0xFFD81014 - 1,
271  .flags = IORESOURCE_MEM,
272  },
273  [1] = {
274  .start = evt2irq(0x480),
275  .flags = IORESOURCE_IRQ,
276  },
277 };
278 
279 static struct platform_device tmu3_device = {
280  .name = "sh_tmu",
281  .id = 3,
282  .dev = {
283  .platform_data = &tmu3_platform_data,
284  },
285  .resource = tmu3_resources,
286  .num_resources = ARRAY_SIZE(tmu3_resources),
287 };
288 
289 static struct sh_timer_config tmu4_platform_data = {
290  .channel_offset = 0x10,
291  .timer_bit = 1,
292 };
293 
294 static struct resource tmu4_resources[] = {
295  [0] = {
296  .start = 0xFFD81014,
297  .end = 0xFFD81020 - 1,
298  .flags = IORESOURCE_MEM,
299  },
300  [1] = {
301  .start = evt2irq(0x4A0),
302  .flags = IORESOURCE_IRQ,
303  },
304 };
305 
306 static struct platform_device tmu4_device = {
307  .name = "sh_tmu",
308  .id = 4,
309  .dev = {
310  .platform_data = &tmu4_platform_data,
311  },
312  .resource = tmu4_resources,
313  .num_resources = ARRAY_SIZE(tmu4_resources),
314 };
315 
316 static struct sh_timer_config tmu5_platform_data = {
317  .channel_offset = 0x1c,
318  .timer_bit = 2,
319 };
320 
321 static struct resource tmu5_resources[] = {
322  [0] = {
323  .start = 0xFFD81020,
324  .end = 0xFFD81030 - 1,
325  .flags = IORESOURCE_MEM,
326  },
327  [1] = {
328  .start = evt2irq(0x4C0),
329  .flags = IORESOURCE_IRQ,
330  },
331 };
332 
333 static struct platform_device tmu5_device = {
334  .name = "sh_tmu",
335  .id = 5,
336  .dev = {
337  .platform_data = &tmu5_platform_data,
338  },
339  .resource = tmu5_resources,
340  .num_resources = ARRAY_SIZE(tmu5_resources),
341 };
342 
343 static struct sh_timer_config tmu6_platform_data = {
344  .channel_offset = 0x4,
345  .timer_bit = 0,
346 };
347 
348 static struct resource tmu6_resources[] = {
349  [0] = {
350  .start = 0xFFD82008,
351  .end = 0xFFD82014 - 1,
352  .flags = IORESOURCE_MEM,
353  },
354  [1] = {
355  .start = evt2irq(0x500),
356  .flags = IORESOURCE_IRQ,
357  },
358 };
359 
360 static struct platform_device tmu6_device = {
361  .name = "sh_tmu",
362  .id = 6,
363  .dev = {
364  .platform_data = &tmu6_platform_data,
365  },
366  .resource = tmu6_resources,
367  .num_resources = ARRAY_SIZE(tmu6_resources),
368 };
369 
370 static struct sh_timer_config tmu7_platform_data = {
371  .channel_offset = 0x10,
372  .timer_bit = 1,
373 };
374 
375 static struct resource tmu7_resources[] = {
376  [0] = {
377  .start = 0xFFD82014,
378  .end = 0xFFD82020 - 1,
379  .flags = IORESOURCE_MEM,
380  },
381  [1] = {
382  .start = evt2irq(0x520),
383  .flags = IORESOURCE_IRQ,
384  },
385 };
386 
387 static struct platform_device tmu7_device = {
388  .name = "sh_tmu",
389  .id = 7,
390  .dev = {
391  .platform_data = &tmu7_platform_data,
392  },
393  .resource = tmu7_resources,
394  .num_resources = ARRAY_SIZE(tmu7_resources),
395 };
396 
397 static struct sh_timer_config tmu8_platform_data = {
398  .channel_offset = 0x1c,
399  .timer_bit = 2,
400 };
401 
402 static struct resource tmu8_resources[] = {
403  [0] = {
404  .start = 0xFFD82020,
405  .end = 0xFFD82030 - 1,
406  .flags = IORESOURCE_MEM,
407  },
408  [1] = {
409  .start = evt2irq(0x540),
410  .flags = IORESOURCE_IRQ,
411  },
412 };
413 
414 static struct platform_device tmu8_device = {
415  .name = "sh_tmu",
416  .id = 8,
417  .dev = {
418  .platform_data = &tmu8_platform_data,
419  },
420  .resource = tmu8_resources,
421  .num_resources = ARRAY_SIZE(tmu8_resources),
422 };
423 
424 static struct platform_device *sh7734_devices[] __initdata = {
425  &scif0_device,
426  &scif1_device,
427  &scif2_device,
428  &scif3_device,
429  &scif4_device,
430  &scif5_device,
431  &tmu0_device,
432  &tmu1_device,
433  &tmu2_device,
434  &tmu3_device,
435  &tmu4_device,
436  &tmu5_device,
437  &tmu6_device,
438  &tmu7_device,
439  &tmu8_device,
440  &rtc_device,
441 };
442 
443 static struct platform_device *sh7734_early_devices[] __initdata = {
444  &scif0_device,
445  &scif1_device,
446  &scif2_device,
447  &scif3_device,
448  &scif4_device,
449  &scif5_device,
450  &tmu0_device,
451  &tmu1_device,
452  &tmu2_device,
453  &tmu3_device,
454  &tmu4_device,
455  &tmu5_device,
456  &tmu6_device,
457  &tmu7_device,
458  &tmu8_device,
459 };
460 
462 {
463  early_platform_add_devices(sh7734_early_devices,
464  ARRAY_SIZE(sh7734_early_devices));
465 }
466 
467 #define GROUP 0
468 enum {
469  UNUSED = 0,
470 
471  /* interrupt sources */
472 
477 
479  DU,
520 
521  /* Group */
522  /* Mask */
535 
536  /* Priority */
539 
540  /* Common */
544 };
545 
546 static struct intc_vect vectors[] __initdata = {
547  INTC_VECT(DU, 0x3E0),
548  INTC_VECT(TMU00, 0x400),
549  INTC_VECT(TMU10, 0x420),
550  INTC_VECT(TMU20, 0x440),
551  INTC_VECT(TMU30, 0x480),
552  INTC_VECT(TMU40, 0x4A0),
553  INTC_VECT(TMU50, 0x4C0),
554  INTC_VECT(TMU51, 0x4E0),
555  INTC_VECT(TMU60, 0x500),
556  INTC_VECT(TMU70, 0x520),
557  INTC_VECT(TMU80, 0x540),
558  INTC_VECT(RESET_WDT, 0x560),
559  INTC_VECT(USB, 0x580),
560  INTC_VECT(HUDI, 0x600),
561  INTC_VECT(SHDMAC, 0x620),
562  INTC_VECT(SSI0, 0x6C0),
563  INTC_VECT(SSI1, 0x6E0),
564  INTC_VECT(SSI2, 0x700),
565  INTC_VECT(SSI3, 0x720),
566  INTC_VECT(VIN0, 0x740),
567  INTC_VECT(RGPVG, 0x760),
568  INTC_VECT(_2DG, 0x780),
569  INTC_VECT(MMC, 0x7A0),
570  INTC_VECT(HSPI, 0x7E0),
571  INTC_VECT(LBSCATA, 0x840),
572  INTC_VECT(I2C0, 0x860),
573  INTC_VECT(RCAN0, 0x880),
574  INTC_VECT(SCIF0, 0x8A0),
575  INTC_VECT(SCIF1, 0x8C0),
576  INTC_VECT(SCIF2, 0x900),
577  INTC_VECT(SCIF3, 0x920),
578  INTC_VECT(SCIF4, 0x940),
579  INTC_VECT(SCIF5, 0x960),
580  INTC_VECT(LBSCDMAC0, 0x9E0),
581  INTC_VECT(LBSCDMAC1, 0xA00),
582  INTC_VECT(LBSCDMAC2, 0xA20),
583  INTC_VECT(RCAN1, 0xA60),
584  INTC_VECT(SDHI0, 0xAE0),
585  INTC_VECT(SDHI1, 0xB00),
586  INTC_VECT(IEBUS, 0xB20),
587  INTC_VECT(HPBDMAC0_3, 0xB60),
588  INTC_VECT(HPBDMAC4_10, 0xB80),
589  INTC_VECT(HPBDMAC11_18, 0xBA0),
590  INTC_VECT(HPBDMAC19_22, 0xBC0),
592  INTC_VECT(RTC, 0xC00),
593  INTC_VECT(VIN1, 0xC20),
594  INTC_VECT(LCDC, 0xC40),
595  INTC_VECT(SRC0, 0xC60),
596  INTC_VECT(SRC1, 0xC80),
597  INTC_VECT(GETHER, 0xCA0),
598  INTC_VECT(SDHI2, 0xCC0),
599  INTC_VECT(GPIO0_3, 0xCE0),
600  INTC_VECT(GPIO4_5, 0xD00),
601  INTC_VECT(STIF0, 0xD20),
602  INTC_VECT(STIF1, 0xD40),
603  INTC_VECT(ADMAC, 0xDA0),
604  INTC_VECT(HIF, 0xDC0),
605  INTC_VECT(FLCTL, 0xDE0),
606  INTC_VECT(ADC, 0xE00),
607  INTC_VECT(MTU2, 0xE20),
608  INTC_VECT(RSPI, 0xE40),
609  INTC_VECT(QSPI, 0xE60),
610  INTC_VECT(HSCIF, 0xFC0),
611  INTC_VECT(VEU3F_VE3, 0xF40),
612 };
613 
614 static struct intc_group groups[] __initdata = {
615  /* Common */
619 
620  /* Mask group */
621  INTC_GROUP(STIF_M, STIF0, STIF1), /* 22 */
622  INTC_GROUP(GPIO_M, GPIO0_3, GPIO4_5), /* 21 */
624  HPBDMAC19_22, HPBDMAC23_25_27_28), /* 19 */
626  INTC_GROUP(RCAN_M, RCAN0, RCAN1, IEBUS), /* 17 */
627  INTC_GROUP(SRC_M, SRC0, SRC1), /* 16 */
629  HSCIF), /* 14 */
630  INTC_GROUP(LCDC_M, LCDC, MIMLB), /* 13 */
631  INTC_GROUP(_2DG_M, _2DG, RGPVG), /* 12 */
632  INTC_GROUP(VIN_M, VIN0, VIN1), /* 10 */
634  TMU60, TMU60, TMU70, TMU80), /* 2 */
635  INTC_GROUP(TMU_0_M, TMU00, TMU10, TMU20, TMU21), /* 1 */
636 
637  /* Priority group*/
638  INTC_GROUP(RCAN_P, RCAN0, RCAN1), /* INT2PRI5 */
639  INTC_GROUP(LBSCDMAC_P, LBSCDMAC0, LBSCDMAC1), /* INT2PRI5 */
640 };
641 
642 static struct intc_mask_reg mask_registers[] __initdata = {
643  { 0xFF804040, 0xFF804044, 32, /* INT2MSKRG / INT2MSKCR */
644  { 0,
645  VEU3F_VE3,
646  SDHI, /* SDHI 0-2 */
647  ADMAC,
648  FLCTL,
649  RESET_WDT,
650  HIF,
651  ADC,
652  MTU2,
653  STIF_M, /* STIF 0,1 */
654  GPIO_M, /* GPIO 0-5*/
655  GETHER,
656  HPBDMAC_M, /* HPBDMAC 0_3 - 23_25_27_28 */
657  LBSCDMAC_M, /* LBSCDMAC 0 - 2 */
658  RCAN_M, /* RCAN, IEBUS */
659  SRC_M, /* SRC 0,1 */
660  LBSCATA,
661  SCIF_M, /* SCIF 0-5, HSCIF */
662  LCDC_M, /* LCDC, MIMLB */
663  _2DG_M, /* 2DG, RGPVG */
664  SPI, /* HSPI, RSPI, QSPI */
665  VIN_M, /* VIN0, 1 */
666  SSI, /* SSI 0-3 */
667  USB,
668  SHDMAC,
669  HUDI,
670  MMC,
671  RTC,
672  I2C0, /* I2C */ /* I2C 0, 1*/
673  TMU_3_M, /* TMU30 - TMU80 */
674  TMU_0_M, /* TMU00 - TMU21 */
675  DU } },
676 };
677 
678 static struct intc_prio_reg prio_registers[] __initdata = {
679  { 0xFF804000, 0, 32, 8, /* INT2PRI0 */
680  { DU, TMU00, TMU10, TMU20 } },
681  { 0xFF804004, 0, 32, 8, /* INT2PRI1 */
682  { TMU30, TMU60, RTC, SDHI } },
683  { 0xFF804008, 0, 32, 8, /* INT2PRI2 */
684  { HUDI, SHDMAC, USB, SSI } },
685  { 0xFF80400C, 0, 32, 8, /* INT2PRI3 */
686  { VIN0, SPI, _2DG, LBSCATA } },
687  { 0xFF804010, 0, 32, 8, /* INT2PRI4 */
688  { SCIF0, SCIF3, HSCIF, LCDC } },
689  { 0xFF804014, 0, 32, 8, /* INT2PRI5 */
690  { RCAN_P, LBSCDMAC_P, LBSCDMAC2, MMC } },
691  { 0xFF804018, 0, 32, 8, /* INT2PRI6 */
693  { 0xFF80401C, 0, 32, 8, /* INT2PRI7 */
694  { HPBDMAC23_25_27_28, I2C0, SRC0, SRC1 } },
695  { 0xFF804020, 0, 32, 8, /* INT2PRI8 */
696  { 0 /* ADIF */, VIN1, RESET_WDT, HIF } },
697  { 0xFF804024, 0, 32, 8, /* INT2PRI9 */
698  { ADMAC, FLCTL, GPIO0_3, GPIO4_5 } },
699  { 0xFF804028, 0, 32, 8, /* INT2PRI10 */
700  { STIF0, STIF1, VEU3F_VE3, GETHER } },
701  { 0xFF80402C, 0, 32, 8, /* INT2PRI11 */
702  { MTU2, RGPVG, MIMLB, IEBUS } },
703 };
704 
705 static DECLARE_INTC_DESC(intc_desc, "sh7734", vectors, groups,
706  mask_registers, prio_registers, NULL);
707 
708 /* Support for external interrupt pins in IRQ mode */
709 
710 static struct intc_vect irq3210_vectors[] __initdata = {
711  INTC_VECT(IRQ0, 0x240), INTC_VECT(IRQ1, 0x280),
712  INTC_VECT(IRQ2, 0x2C0), INTC_VECT(IRQ3, 0x300),
713 };
714 
715 static struct intc_sense_reg irq3210_sense_registers[] __initdata = {
716  { 0xFF80201C, 32, 2, /* ICR1 */
717  { IRQ0, IRQ1, IRQ2, IRQ3, } },
718 };
719 
720 static struct intc_mask_reg irq3210_ack_registers[] __initdata = {
721  { 0xFF802024, 0, 32, /* INTREQ */
722  { IRQ0, IRQ1, IRQ2, IRQ3, } },
723 };
724 
725 static struct intc_mask_reg irq3210_mask_registers[] __initdata = {
726  { 0xFF802044, 0xFF802064, 32, /* INTMSK0 / INTMSKCLR0 */
727  { IRQ0, IRQ1, IRQ2, IRQ3, } },
728 };
729 
730 static struct intc_prio_reg irq3210_prio_registers[] __initdata = {
731  { 0xFF802010, 0, 32, 4, /* INTPRI */
732  { IRQ0, IRQ1, IRQ2, IRQ3, } },
733 };
734 
735 static DECLARE_INTC_DESC_ACK(intc_desc_irq3210, "sh7734-irq3210",
736  irq3210_vectors, NULL,
737  irq3210_mask_registers, irq3210_prio_registers,
738  irq3210_sense_registers, irq3210_ack_registers);
739 
740 /* External interrupt pins in IRL mode */
741 
742 static struct intc_vect vectors_irl3210[] __initdata = {
743  INTC_VECT(IRL0_LLLL, 0x200), INTC_VECT(IRL0_LLLH, 0x220),
744  INTC_VECT(IRL0_LLHL, 0x240), INTC_VECT(IRL0_LLHH, 0x260),
745  INTC_VECT(IRL0_LHLL, 0x280), INTC_VECT(IRL0_LHLH, 0x2a0),
746  INTC_VECT(IRL0_LHHL, 0x2c0), INTC_VECT(IRL0_LHHH, 0x2e0),
747  INTC_VECT(IRL0_HLLL, 0x300), INTC_VECT(IRL0_HLLH, 0x320),
748  INTC_VECT(IRL0_HLHL, 0x340), INTC_VECT(IRL0_HLHH, 0x360),
749  INTC_VECT(IRL0_HHLL, 0x380), INTC_VECT(IRL0_HHLH, 0x3a0),
750  INTC_VECT(IRL0_HHHL, 0x3c0),
751 };
752 
753 static DECLARE_INTC_DESC(intc_desc_irl3210, "sh7734-irl3210",
754  vectors_irl3210, NULL, mask_registers, NULL, NULL);
755 
756 #define INTC_ICR0 0xFF802000
757 #define INTC_INTMSK0 0xFF802044
758 #define INTC_INTMSK1 0xFF802048
759 #define INTC_INTMSKCLR0 0xFF802064
760 #define INTC_INTMSKCLR1 0xFF802068
761 
763 {
764  /* disable IRQ3-0 */
765  __raw_writel(0xF0000000, INTC_INTMSK0);
766 
767  /* disable IRL3-0 */
768  __raw_writel(0x80000000, INTC_INTMSK1);
769 
770  /* select IRL mode for IRL3-0 */
771  __raw_writel(__raw_readl(INTC_ICR0) & ~0x00800000, INTC_ICR0);
772 
773  /* disable holding function, ie enable "SH-4 Mode (LVLMODE)" */
775 
777 }
778 
780 {
781  switch (mode) {
782  case IRQ_MODE_IRQ3210:
783  /* select IRQ mode for IRL3-0 */
785  register_intc_controller(&intc_desc_irq3210);
786  break;
787  case IRQ_MODE_IRL3210:
788  /* enable IRL0-3 but don't provide any masking */
789  __raw_writel(0x80000000, INTC_INTMSKCLR1);
790  __raw_writel(0xf0000000, INTC_INTMSKCLR0);
791  break;
793  /* enable IRL0-3 and mask using cpu intc controller */
794  __raw_writel(0x80000000, INTC_INTMSKCLR0);
795  register_intc_controller(&intc_desc_irl3210);
796  break;
797  default:
798  BUG();
799  }
800 }