xref: /linux/arch/sh/kernel/cpu/sh4a/setup-sh7770.c (revision 44f57d78)
1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  * SH7770 Setup
4  *
5  *  Copyright (C) 2006 - 2008  Paul Mundt
6  */
7 #include <linux/platform_device.h>
8 #include <linux/init.h>
9 #include <linux/serial.h>
10 #include <linux/serial_sci.h>
11 #include <linux/sh_timer.h>
12 #include <linux/sh_intc.h>
13 #include <linux/io.h>
14 
15 static struct plat_sci_port scif0_platform_data = {
16 	.scscr		= SCSCR_REIE | SCSCR_TOIE,
17 	.type		= PORT_SCIF,
18 };
19 
20 static struct resource scif0_resources[] = {
21 	DEFINE_RES_MEM(0xff923000, 0x100),
22 	DEFINE_RES_IRQ(evt2irq(0x9a0)),
23 };
24 
25 static struct platform_device scif0_device = {
26 	.name		= "sh-sci",
27 	.id		= 0,
28 	.resource	= scif0_resources,
29 	.num_resources	= ARRAY_SIZE(scif0_resources),
30 	.dev		= {
31 		.platform_data	= &scif0_platform_data,
32 	},
33 };
34 
35 static struct plat_sci_port scif1_platform_data = {
36 	.scscr		= SCSCR_REIE | SCSCR_TOIE,
37 	.type		= PORT_SCIF,
38 };
39 
40 static struct resource scif1_resources[] = {
41 	DEFINE_RES_MEM(0xff924000, 0x100),
42 	DEFINE_RES_IRQ(evt2irq(0x9c0)),
43 };
44 
45 static struct platform_device scif1_device = {
46 	.name		= "sh-sci",
47 	.id		= 1,
48 	.resource	= scif1_resources,
49 	.num_resources	= ARRAY_SIZE(scif1_resources),
50 	.dev		= {
51 		.platform_data	= &scif1_platform_data,
52 	},
53 };
54 
55 static struct plat_sci_port scif2_platform_data = {
56 	.scscr		= SCSCR_REIE | SCSCR_TOIE,
57 	.type		= PORT_SCIF,
58 };
59 
60 static struct resource scif2_resources[] = {
61 	DEFINE_RES_MEM(0xff925000, 0x100),
62 	DEFINE_RES_IRQ(evt2irq(0x9e0)),
63 };
64 
65 static struct platform_device scif2_device = {
66 	.name		= "sh-sci",
67 	.id		= 2,
68 	.resource	= scif2_resources,
69 	.num_resources	= ARRAY_SIZE(scif2_resources),
70 	.dev		= {
71 		.platform_data	= &scif2_platform_data,
72 	},
73 };
74 
75 static struct plat_sci_port scif3_platform_data = {
76 	.scscr		= SCSCR_REIE | SCSCR_TOIE,
77 	.type		= PORT_SCIF,
78 };
79 
80 static struct resource scif3_resources[] = {
81 	DEFINE_RES_MEM(0xff926000, 0x100),
82 	DEFINE_RES_IRQ(evt2irq(0xa00)),
83 };
84 
85 static struct platform_device scif3_device = {
86 	.name		= "sh-sci",
87 	.id		= 3,
88 	.resource	= scif3_resources,
89 	.num_resources	= ARRAY_SIZE(scif3_resources),
90 	.dev		= {
91 		.platform_data	= &scif3_platform_data,
92 	},
93 };
94 
95 static struct plat_sci_port scif4_platform_data = {
96 	.scscr		= SCSCR_REIE | SCSCR_TOIE,
97 	.type		= PORT_SCIF,
98 };
99 
100 static struct resource scif4_resources[] = {
101 	DEFINE_RES_MEM(0xff927000, 0x100),
102 	DEFINE_RES_IRQ(evt2irq(0xa20)),
103 };
104 
105 static struct platform_device scif4_device = {
106 	.name		= "sh-sci",
107 	.id		= 4,
108 	.resource	= scif4_resources,
109 	.num_resources	= ARRAY_SIZE(scif4_resources),
110 	.dev		= {
111 		.platform_data	= &scif4_platform_data,
112 	},
113 };
114 
115 static struct plat_sci_port scif5_platform_data = {
116 	.scscr		= SCSCR_REIE | SCSCR_TOIE,
117 	.type		= PORT_SCIF,
118 };
119 
120 static struct resource scif5_resources[] = {
121 	DEFINE_RES_MEM(0xff928000, 0x100),
122 	DEFINE_RES_IRQ(evt2irq(0xa40)),
123 };
124 
125 static struct platform_device scif5_device = {
126 	.name		= "sh-sci",
127 	.id		= 5,
128 	.resource	= scif5_resources,
129 	.num_resources	= ARRAY_SIZE(scif5_resources),
130 	.dev		= {
131 		.platform_data	= &scif5_platform_data,
132 	},
133 };
134 
135 static struct plat_sci_port scif6_platform_data = {
136 	.scscr		= SCSCR_REIE | SCSCR_TOIE,
137 	.type		= PORT_SCIF,
138 };
139 
140 static struct resource scif6_resources[] = {
141 	DEFINE_RES_MEM(0xff929000, 0x100),
142 	DEFINE_RES_IRQ(evt2irq(0xa60)),
143 };
144 
145 static struct platform_device scif6_device = {
146 	.name		= "sh-sci",
147 	.id		= 6,
148 	.resource	= scif6_resources,
149 	.num_resources	= ARRAY_SIZE(scif6_resources),
150 	.dev		= {
151 		.platform_data	= &scif6_platform_data,
152 	},
153 };
154 
155 static struct plat_sci_port scif7_platform_data = {
156 	.scscr		= SCSCR_REIE | SCSCR_TOIE,
157 	.type		= PORT_SCIF,
158 };
159 
160 static struct resource scif7_resources[] = {
161 	DEFINE_RES_MEM(0xff92a000, 0x100),
162 	DEFINE_RES_IRQ(evt2irq(0xa80)),
163 };
164 
165 static struct platform_device scif7_device = {
166 	.name		= "sh-sci",
167 	.id		= 7,
168 	.resource	= scif7_resources,
169 	.num_resources	= ARRAY_SIZE(scif7_resources),
170 	.dev		= {
171 		.platform_data	= &scif7_platform_data,
172 	},
173 };
174 
175 static struct plat_sci_port scif8_platform_data = {
176 	.scscr		= SCSCR_REIE | SCSCR_TOIE,
177 	.type		= PORT_SCIF,
178 };
179 
180 static struct resource scif8_resources[] = {
181 	DEFINE_RES_MEM(0xff92b000, 0x100),
182 	DEFINE_RES_IRQ(evt2irq(0xaa0)),
183 };
184 
185 static struct platform_device scif8_device = {
186 	.name		= "sh-sci",
187 	.id		= 8,
188 	.resource	= scif8_resources,
189 	.num_resources	= ARRAY_SIZE(scif8_resources),
190 	.dev		= {
191 		.platform_data	= &scif8_platform_data,
192 	},
193 };
194 
195 static struct plat_sci_port scif9_platform_data = {
196 	.scscr		= SCSCR_REIE | SCSCR_TOIE,
197 	.type		= PORT_SCIF,
198 };
199 
200 static struct resource scif9_resources[] = {
201 	DEFINE_RES_MEM(0xff92c000, 0x100),
202 	DEFINE_RES_IRQ(evt2irq(0xac0)),
203 };
204 
205 static struct platform_device scif9_device = {
206 	.name		= "sh-sci",
207 	.id		= 9,
208 	.resource	= scif9_resources,
209 	.num_resources	= ARRAY_SIZE(scif9_resources),
210 	.dev		= {
211 		.platform_data	= &scif9_platform_data,
212 	},
213 };
214 
215 static struct sh_timer_config tmu0_platform_data = {
216 	.channels_mask = 7,
217 };
218 
219 static struct resource tmu0_resources[] = {
220 	DEFINE_RES_MEM(0xffd80000, 0x30),
221 	DEFINE_RES_IRQ(evt2irq(0x400)),
222 	DEFINE_RES_IRQ(evt2irq(0x420)),
223 	DEFINE_RES_IRQ(evt2irq(0x440)),
224 };
225 
226 static struct platform_device tmu0_device = {
227 	.name		= "sh-tmu",
228 	.id		= 0,
229 	.dev = {
230 		.platform_data	= &tmu0_platform_data,
231 	},
232 	.resource	= tmu0_resources,
233 	.num_resources	= ARRAY_SIZE(tmu0_resources),
234 };
235 
236 static struct sh_timer_config tmu1_platform_data = {
237 	.channels_mask = 7,
238 };
239 
240 static struct resource tmu1_resources[] = {
241 	DEFINE_RES_MEM(0xffd81000, 0x30),
242 	DEFINE_RES_IRQ(evt2irq(0x460)),
243 	DEFINE_RES_IRQ(evt2irq(0x480)),
244 	DEFINE_RES_IRQ(evt2irq(0x4a0)),
245 };
246 
247 static struct platform_device tmu1_device = {
248 	.name		= "sh-tmu",
249 	.id		= 1,
250 	.dev = {
251 		.platform_data	= &tmu1_platform_data,
252 	},
253 	.resource	= tmu1_resources,
254 	.num_resources	= ARRAY_SIZE(tmu1_resources),
255 };
256 
257 static struct sh_timer_config tmu2_platform_data = {
258 	.channels_mask = 7,
259 };
260 
261 static struct resource tmu2_resources[] = {
262 	DEFINE_RES_MEM(0xffd82000, 0x2c),
263 	DEFINE_RES_IRQ(evt2irq(0x4c0)),
264 	DEFINE_RES_IRQ(evt2irq(0x4e0)),
265 	DEFINE_RES_IRQ(evt2irq(0x500)),
266 };
267 
268 static struct platform_device tmu2_device = {
269 	.name		= "sh-tmu",
270 	.id		= 2,
271 	.dev = {
272 		.platform_data	= &tmu2_platform_data,
273 	},
274 	.resource	= tmu2_resources,
275 	.num_resources	= ARRAY_SIZE(tmu2_resources),
276 };
277 
278 static struct platform_device *sh7770_devices[] __initdata = {
279 	&scif0_device,
280 	&scif1_device,
281 	&scif2_device,
282 	&scif3_device,
283 	&scif4_device,
284 	&scif5_device,
285 	&scif6_device,
286 	&scif7_device,
287 	&scif8_device,
288 	&scif9_device,
289 	&tmu0_device,
290 	&tmu1_device,
291 	&tmu2_device,
292 };
293 
294 static int __init sh7770_devices_setup(void)
295 {
296 	return platform_add_devices(sh7770_devices,
297 				    ARRAY_SIZE(sh7770_devices));
298 }
299 arch_initcall(sh7770_devices_setup);
300 
301 static struct platform_device *sh7770_early_devices[] __initdata = {
302 	&scif0_device,
303 	&scif1_device,
304 	&scif2_device,
305 	&scif3_device,
306 	&scif4_device,
307 	&scif5_device,
308 	&scif6_device,
309 	&scif7_device,
310 	&scif8_device,
311 	&scif9_device,
312 	&tmu0_device,
313 	&tmu1_device,
314 	&tmu2_device,
315 };
316 
317 void __init plat_early_device_setup(void)
318 {
319 	early_platform_add_devices(sh7770_early_devices,
320 				   ARRAY_SIZE(sh7770_early_devices));
321 }
322 
323 enum {
324 	UNUSED = 0,
325 
326 	/* interrupt sources */
327 	IRL_LLLL, IRL_LLLH, IRL_LLHL, IRL_LLHH,
328 	IRL_LHLL, IRL_LHLH, IRL_LHHL, IRL_LHHH,
329 	IRL_HLLL, IRL_HLLH, IRL_HLHL, IRL_HLHH,
330 	IRL_HHLL, IRL_HHLH, IRL_HHHL,
331 
332 	IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5,
333 
334 	GPIO,
335 	TMU0, TMU1, TMU2, TMU2_TICPI,
336 	TMU3, TMU4, TMU5, TMU5_TICPI,
337 	TMU6, TMU7, TMU8,
338 	HAC, IPI, SPDIF, HUDI, I2C,
339 	DMAC0_DMINT0, DMAC0_DMINT1, DMAC0_DMINT2,
340 	I2S0, I2S1, I2S2, I2S3,
341 	SRC_RX, SRC_TX, SRC_SPDIF,
342 	DU, VIDEO_IN, REMOTE, YUV, USB, ATAPI, CAN, GPS, GFX2D,
343 	GFX3D_MBX, GFX3D_DMAC,
344 	EXBUS_ATA,
345 	SPI0, SPI1,
346 	SCIF089, SCIF1234, SCIF567,
347 	ADC,
348 	BBDMAC_0_3, BBDMAC_4_7, BBDMAC_8_10, BBDMAC_11_14,
349 	BBDMAC_15_18, BBDMAC_19_22, BBDMAC_23_26, BBDMAC_27,
350 	BBDMAC_28, BBDMAC_29, BBDMAC_30, BBDMAC_31,
351 
352 	/* interrupt groups */
353 	TMU, DMAC, I2S, SRC, GFX3D, SPI, SCIF, BBDMAC,
354 };
355 
356 static struct intc_vect vectors[] __initdata = {
357 	INTC_VECT(GPIO, 0x3e0),
358 	INTC_VECT(TMU0, 0x400), INTC_VECT(TMU1, 0x420),
359 	INTC_VECT(TMU2, 0x440), INTC_VECT(TMU2_TICPI, 0x460),
360 	INTC_VECT(TMU3, 0x480), INTC_VECT(TMU4, 0x4a0),
361 	INTC_VECT(TMU5, 0x4c0), INTC_VECT(TMU5_TICPI, 0x4e0),
362 	INTC_VECT(TMU6, 0x500), INTC_VECT(TMU7, 0x520),
363 	INTC_VECT(TMU8, 0x540),
364 	INTC_VECT(HAC, 0x580), INTC_VECT(IPI, 0x5c0),
365 	INTC_VECT(SPDIF, 0x5e0),
366 	INTC_VECT(HUDI, 0x600), INTC_VECT(I2C, 0x620),
367 	INTC_VECT(DMAC0_DMINT0, 0x640), INTC_VECT(DMAC0_DMINT1, 0x660),
368 	INTC_VECT(DMAC0_DMINT2, 0x680),
369 	INTC_VECT(I2S0, 0x6a0), INTC_VECT(I2S1, 0x6c0),
370 	INTC_VECT(I2S2, 0x6e0), INTC_VECT(I2S3, 0x700),
371 	INTC_VECT(SRC_RX, 0x720), INTC_VECT(SRC_TX, 0x740),
372 	INTC_VECT(SRC_SPDIF, 0x760),
373 	INTC_VECT(DU, 0x780), INTC_VECT(VIDEO_IN, 0x7a0),
374 	INTC_VECT(REMOTE, 0x7c0), INTC_VECT(YUV, 0x7e0),
375 	INTC_VECT(USB, 0x840), INTC_VECT(ATAPI, 0x860),
376 	INTC_VECT(CAN, 0x880), INTC_VECT(GPS, 0x8a0),
377 	INTC_VECT(GFX2D, 0x8c0),
378 	INTC_VECT(GFX3D_MBX, 0x900), INTC_VECT(GFX3D_DMAC, 0x920),
379 	INTC_VECT(EXBUS_ATA, 0x940),
380 	INTC_VECT(SPI0, 0x960), INTC_VECT(SPI1, 0x980),
381 	INTC_VECT(SCIF089, 0x9a0), INTC_VECT(SCIF1234, 0x9c0),
382 	INTC_VECT(SCIF1234, 0x9e0), INTC_VECT(SCIF1234, 0xa00),
383 	INTC_VECT(SCIF1234, 0xa20), INTC_VECT(SCIF567, 0xa40),
384 	INTC_VECT(SCIF567, 0xa60), INTC_VECT(SCIF567, 0xa80),
385 	INTC_VECT(SCIF089, 0xaa0), INTC_VECT(SCIF089, 0xac0),
386 	INTC_VECT(ADC, 0xb20),
387 	INTC_VECT(BBDMAC_0_3, 0xba0), INTC_VECT(BBDMAC_0_3, 0xbc0),
388 	INTC_VECT(BBDMAC_0_3, 0xbe0), INTC_VECT(BBDMAC_0_3, 0xc00),
389 	INTC_VECT(BBDMAC_4_7, 0xc20), INTC_VECT(BBDMAC_4_7, 0xc40),
390 	INTC_VECT(BBDMAC_4_7, 0xc60), INTC_VECT(BBDMAC_4_7, 0xc80),
391 	INTC_VECT(BBDMAC_8_10, 0xca0), INTC_VECT(BBDMAC_8_10, 0xcc0),
392 	INTC_VECT(BBDMAC_8_10, 0xce0), INTC_VECT(BBDMAC_11_14, 0xd00),
393 	INTC_VECT(BBDMAC_11_14, 0xd20), INTC_VECT(BBDMAC_11_14, 0xd40),
394 	INTC_VECT(BBDMAC_11_14, 0xd60), INTC_VECT(BBDMAC_15_18, 0xd80),
395 	INTC_VECT(BBDMAC_15_18, 0xda0), INTC_VECT(BBDMAC_15_18, 0xdc0),
396 	INTC_VECT(BBDMAC_15_18, 0xde0), INTC_VECT(BBDMAC_19_22, 0xe00),
397 	INTC_VECT(BBDMAC_19_22, 0xe20), INTC_VECT(BBDMAC_19_22, 0xe40),
398 	INTC_VECT(BBDMAC_19_22, 0xe60), INTC_VECT(BBDMAC_23_26, 0xe80),
399 	INTC_VECT(BBDMAC_23_26, 0xea0), INTC_VECT(BBDMAC_23_26, 0xec0),
400 	INTC_VECT(BBDMAC_23_26, 0xee0), INTC_VECT(BBDMAC_27, 0xf00),
401 	INTC_VECT(BBDMAC_28, 0xf20), INTC_VECT(BBDMAC_29, 0xf40),
402 	INTC_VECT(BBDMAC_30, 0xf60), INTC_VECT(BBDMAC_31, 0xf80),
403 };
404 
405 static struct intc_group groups[] __initdata = {
406 	INTC_GROUP(TMU, TMU0, TMU1, TMU2, TMU2_TICPI, TMU3, TMU4, TMU5,
407 		   TMU5_TICPI, TMU6, TMU7, TMU8),
408 	INTC_GROUP(DMAC, DMAC0_DMINT0, DMAC0_DMINT1, DMAC0_DMINT2),
409 	INTC_GROUP(I2S, I2S0, I2S1, I2S2, I2S3),
410 	INTC_GROUP(SRC, SRC_RX, SRC_TX, SRC_SPDIF),
411 	INTC_GROUP(GFX3D, GFX3D_MBX, GFX3D_DMAC),
412 	INTC_GROUP(SPI, SPI0, SPI1),
413 	INTC_GROUP(SCIF, SCIF089, SCIF1234, SCIF567),
414 	INTC_GROUP(BBDMAC,
415 		   BBDMAC_0_3, BBDMAC_4_7, BBDMAC_8_10, BBDMAC_11_14,
416 		   BBDMAC_15_18, BBDMAC_19_22, BBDMAC_23_26, BBDMAC_27,
417 		   BBDMAC_28, BBDMAC_29, BBDMAC_30, BBDMAC_31),
418 };
419 
420 static struct intc_mask_reg mask_registers[] __initdata = {
421 	{ 0xffe00040, 0xffe00044, 32, /* INT2MSKR / INT2MSKCR */
422 	  { 0, BBDMAC, ADC, SCIF, SPI, EXBUS_ATA, GFX3D, GFX2D,
423 	    GPS, CAN, ATAPI, USB, YUV, REMOTE, VIDEO_IN, DU, SRC, I2S,
424 	    DMAC, I2C, HUDI, SPDIF, IPI, HAC, TMU, GPIO } },
425 };
426 
427 static struct intc_prio_reg prio_registers[] __initdata = {
428 	{ 0xffe00000, 0, 32, 8, /* INT2PRI0 */ { GPIO, TMU0, 0, HAC } },
429 	{ 0xffe00004, 0, 32, 8, /* INT2PRI1 */ { IPI, SPDIF, HUDI, I2C } },
430 	{ 0xffe00008, 0, 32, 8, /* INT2PRI2 */ { DMAC, I2S, SRC, DU } },
431 	{ 0xffe0000c, 0, 32, 8, /* INT2PRI3 */ { VIDEO_IN, REMOTE, YUV, USB } },
432 	{ 0xffe00010, 0, 32, 8, /* INT2PRI4 */ { ATAPI, CAN, GPS, GFX2D } },
433 	{ 0xffe00014, 0, 32, 8, /* INT2PRI5 */ { 0, GFX3D, EXBUS_ATA, SPI } },
434 	{ 0xffe00018, 0, 32, 8, /* INT2PRI6 */ { SCIF1234, SCIF567, SCIF089 } },
435 	{ 0xffe0001c, 0, 32, 8, /* INT2PRI7 */ { ADC, 0, 0, BBDMAC_0_3 } },
436 	{ 0xffe00020, 0, 32, 8, /* INT2PRI8 */
437 	  { BBDMAC_4_7, BBDMAC_8_10, BBDMAC_11_14, BBDMAC_15_18 } },
438 	{ 0xffe00024, 0, 32, 8, /* INT2PRI9 */
439 	  { BBDMAC_19_22, BBDMAC_23_26, BBDMAC_27, BBDMAC_28 } },
440 	{ 0xffe00028, 0, 32, 8, /* INT2PRI10 */
441 	  { BBDMAC_29, BBDMAC_30, BBDMAC_31 } },
442 	{ 0xffe0002c, 0, 32, 8, /* INT2PRI11 */
443 	  { TMU1, TMU2, TMU2_TICPI, TMU3 } },
444 	{ 0xffe00030, 0, 32, 8, /* INT2PRI12 */
445 	  { TMU4, TMU5, TMU5_TICPI, TMU6 } },
446 	{ 0xffe00034, 0, 32, 8, /* INT2PRI13 */
447 	  { TMU7, TMU8 } },
448 };
449 
450 static DECLARE_INTC_DESC(intc_desc, "sh7770", vectors, groups,
451 			 mask_registers, prio_registers, NULL);
452 
453 /* Support for external interrupt pins in IRQ mode */
454 static struct intc_vect irq_vectors[] __initdata = {
455 	INTC_VECT(IRQ0, 0x240), INTC_VECT(IRQ1, 0x280),
456 	INTC_VECT(IRQ2, 0x2c0), INTC_VECT(IRQ3, 0x300),
457 	INTC_VECT(IRQ4, 0x340), INTC_VECT(IRQ5, 0x380),
458 };
459 
460 static struct intc_mask_reg irq_mask_registers[] __initdata = {
461 	{ 0xffd00044, 0xffd00064, 32, /* INTMSK0 / INTMSKCLR0 */
462 	  { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, } },
463 };
464 
465 static struct intc_prio_reg irq_prio_registers[] __initdata = {
466 	{ 0xffd00010, 0, 32, 4, /* INTPRI */ { IRQ0, IRQ1, IRQ2, IRQ3,
467 					       IRQ4, IRQ5, } },
468 };
469 
470 static struct intc_sense_reg irq_sense_registers[] __initdata = {
471 	{ 0xffd0001c, 32, 2, /* ICR1 */   { IRQ0, IRQ1, IRQ2, IRQ3,
472 					    IRQ4, IRQ5, } },
473 };
474 
475 static DECLARE_INTC_DESC(intc_irq_desc, "sh7770-irq", irq_vectors,
476 			 NULL, irq_mask_registers, irq_prio_registers,
477 			 irq_sense_registers);
478 
479 /* External interrupt pins in IRL mode */
480 static struct intc_vect irl_vectors[] __initdata = {
481 	INTC_VECT(IRL_LLLL, 0x200), INTC_VECT(IRL_LLLH, 0x220),
482 	INTC_VECT(IRL_LLHL, 0x240), INTC_VECT(IRL_LLHH, 0x260),
483 	INTC_VECT(IRL_LHLL, 0x280), INTC_VECT(IRL_LHLH, 0x2a0),
484 	INTC_VECT(IRL_LHHL, 0x2c0), INTC_VECT(IRL_LHHH, 0x2e0),
485 	INTC_VECT(IRL_HLLL, 0x300), INTC_VECT(IRL_HLLH, 0x320),
486 	INTC_VECT(IRL_HLHL, 0x340), INTC_VECT(IRL_HLHH, 0x360),
487 	INTC_VECT(IRL_HHLL, 0x380), INTC_VECT(IRL_HHLH, 0x3a0),
488 	INTC_VECT(IRL_HHHL, 0x3c0),
489 };
490 
491 static struct intc_mask_reg irl3210_mask_registers[] __initdata = {
492 	{ 0xffd40080, 0xffd40084, 32, /* INTMSK2 / INTMSKCLR2 */
493 	  { IRL_LLLL, IRL_LLLH, IRL_LLHL, IRL_LLHH,
494 	    IRL_LHLL, IRL_LHLH, IRL_LHHL, IRL_LHHH,
495 	    IRL_HLLL, IRL_HLLH, IRL_HLHL, IRL_HLHH,
496 	    IRL_HHLL, IRL_HHLH, IRL_HHHL, } },
497 };
498 
499 static struct intc_mask_reg irl7654_mask_registers[] __initdata = {
500 	{ 0xffd40080, 0xffd40084, 32, /* INTMSK2 / INTMSKCLR2 */
501 	  { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
502 	    IRL_LLLL, IRL_LLLH, IRL_LLHL, IRL_LLHH,
503 	    IRL_LHLL, IRL_LHLH, IRL_LHHL, IRL_LHHH,
504 	    IRL_HLLL, IRL_HLLH, IRL_HLHL, IRL_HLHH,
505 	    IRL_HHLL, IRL_HHLH, IRL_HHHL, } },
506 };
507 
508 static DECLARE_INTC_DESC(intc_irl7654_desc, "sh7780-irl7654", irl_vectors,
509 			 NULL, irl7654_mask_registers, NULL, NULL);
510 
511 static DECLARE_INTC_DESC(intc_irl3210_desc, "sh7780-irl3210", irl_vectors,
512 			 NULL, irl3210_mask_registers, NULL, NULL);
513 
514 #define INTC_ICR0	0xffd00000
515 #define INTC_INTMSK0	0xffd00044
516 #define INTC_INTMSK1	0xffd00048
517 #define INTC_INTMSK2	0xffd40080
518 #define INTC_INTMSKCLR1	0xffd00068
519 #define INTC_INTMSKCLR2	0xffd40084
520 
521 void __init plat_irq_setup(void)
522 {
523 	/* disable IRQ7-0 */
524 	__raw_writel(0xff000000, INTC_INTMSK0);
525 
526 	/* disable IRL3-0 + IRL7-4 */
527 	__raw_writel(0xc0000000, INTC_INTMSK1);
528 	__raw_writel(0xfffefffe, INTC_INTMSK2);
529 
530 	/* select IRL mode for IRL3-0 + IRL7-4 */
531 	__raw_writel(__raw_readl(INTC_ICR0) & ~0x00c00000, INTC_ICR0);
532 
533 	/* disable holding function, ie enable "SH-4 Mode" */
534 	__raw_writel(__raw_readl(INTC_ICR0) | 0x00200000, INTC_ICR0);
535 
536 	register_intc_controller(&intc_desc);
537 }
538 
539 void __init plat_irq_setup_pins(int mode)
540 {
541 	switch (mode) {
542 	case IRQ_MODE_IRQ:
543 		/* select IRQ mode for IRL3-0 + IRL7-4 */
544 		__raw_writel(__raw_readl(INTC_ICR0) | 0x00c00000, INTC_ICR0);
545 		register_intc_controller(&intc_irq_desc);
546 		break;
547 	case IRQ_MODE_IRL7654:
548 		/* enable IRL7-4 but don't provide any masking */
549 		__raw_writel(0x40000000, INTC_INTMSKCLR1);
550 		__raw_writel(0x0000fffe, INTC_INTMSKCLR2);
551 		break;
552 	case IRQ_MODE_IRL3210:
553 		/* enable IRL0-3 but don't provide any masking */
554 		__raw_writel(0x80000000, INTC_INTMSKCLR1);
555 		__raw_writel(0xfffe0000, INTC_INTMSKCLR2);
556 		break;
557 	case IRQ_MODE_IRL7654_MASK:
558 		/* enable IRL7-4 and mask using cpu intc controller */
559 		__raw_writel(0x40000000, INTC_INTMSKCLR1);
560 		register_intc_controller(&intc_irl7654_desc);
561 		break;
562 	case IRQ_MODE_IRL3210_MASK:
563 		/* enable IRL0-3 and mask using cpu intc controller */
564 		__raw_writel(0x80000000, INTC_INTMSKCLR1);
565 		register_intc_controller(&intc_irl3210_desc);
566 		break;
567 	default:
568 		BUG();
569 	}
570 }
571