Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
[cris-mirror.git] / arch / sh / kernel / cpu / sh4a / setup-sh7780.c
blobd90ff67a46331f0e72f2c2d93632b2f6677b5962
1 /*
2 * SH7780 Setup
4 * Copyright (C) 2006 Paul Mundt
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_dma.h>
16 #include <linux/sh_timer.h>
17 #include <linux/sh_intc.h>
18 #include <cpu/dma-register.h>
20 static struct plat_sci_port scif0_platform_data = {
21 .scscr = SCSCR_REIE | SCSCR_CKE1,
22 .type = PORT_SCIF,
23 .regtype = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
26 static struct resource scif0_resources[] = {
27 DEFINE_RES_MEM(0xffe00000, 0x100),
28 DEFINE_RES_IRQ(evt2irq(0x700)),
31 static struct platform_device scif0_device = {
32 .name = "sh-sci",
33 .id = 0,
34 .resource = scif0_resources,
35 .num_resources = ARRAY_SIZE(scif0_resources),
36 .dev = {
37 .platform_data = &scif0_platform_data,
41 static struct plat_sci_port scif1_platform_data = {
42 .scscr = SCSCR_REIE | SCSCR_CKE1,
43 .type = PORT_SCIF,
44 .regtype = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
47 static struct resource scif1_resources[] = {
48 DEFINE_RES_MEM(0xffe10000, 0x100),
49 DEFINE_RES_IRQ(evt2irq(0xb80)),
52 static struct platform_device scif1_device = {
53 .name = "sh-sci",
54 .id = 1,
55 .resource = scif1_resources,
56 .num_resources = ARRAY_SIZE(scif1_resources),
57 .dev = {
58 .platform_data = &scif1_platform_data,
62 static struct sh_timer_config tmu0_platform_data = {
63 .channels_mask = 7,
66 static struct resource tmu0_resources[] = {
67 DEFINE_RES_MEM(0xffd80000, 0x30),
68 DEFINE_RES_IRQ(evt2irq(0x580)),
69 DEFINE_RES_IRQ(evt2irq(0x5a0)),
70 DEFINE_RES_IRQ(evt2irq(0x5c0)),
73 static struct platform_device tmu0_device = {
74 .name = "sh-tmu",
75 .id = 0,
76 .dev = {
77 .platform_data = &tmu0_platform_data,
79 .resource = tmu0_resources,
80 .num_resources = ARRAY_SIZE(tmu0_resources),
83 static struct sh_timer_config tmu1_platform_data = {
84 .channels_mask = 7,
87 static struct resource tmu1_resources[] = {
88 DEFINE_RES_MEM(0xffdc0000, 0x2c),
89 DEFINE_RES_IRQ(evt2irq(0xe00)),
90 DEFINE_RES_IRQ(evt2irq(0xe20)),
91 DEFINE_RES_IRQ(evt2irq(0xe40)),
94 static struct platform_device tmu1_device = {
95 .name = "sh-tmu",
96 .id = 1,
97 .dev = {
98 .platform_data = &tmu1_platform_data,
100 .resource = tmu1_resources,
101 .num_resources = ARRAY_SIZE(tmu1_resources),
104 static struct resource rtc_resources[] = {
105 [0] = {
106 .start = 0xffe80000,
107 .end = 0xffe80000 + 0x58 - 1,
108 .flags = IORESOURCE_IO,
110 [1] = {
111 /* Shared Period/Carry/Alarm IRQ */
112 .start = evt2irq(0x480),
113 .flags = IORESOURCE_IRQ,
117 static struct platform_device rtc_device = {
118 .name = "sh-rtc",
119 .id = -1,
120 .num_resources = ARRAY_SIZE(rtc_resources),
121 .resource = rtc_resources,
124 /* DMA */
125 static const struct sh_dmae_channel sh7780_dmae0_channels[] = {
127 .offset = 0,
128 .dmars = 0,
129 .dmars_bit = 0,
130 }, {
131 .offset = 0x10,
132 .dmars = 0,
133 .dmars_bit = 8,
134 }, {
135 .offset = 0x20,
136 .dmars = 4,
137 .dmars_bit = 0,
138 }, {
139 .offset = 0x30,
140 .dmars = 4,
141 .dmars_bit = 8,
142 }, {
143 .offset = 0x50,
144 .dmars = 8,
145 .dmars_bit = 0,
146 }, {
147 .offset = 0x60,
148 .dmars = 8,
149 .dmars_bit = 8,
153 static const struct sh_dmae_channel sh7780_dmae1_channels[] = {
155 .offset = 0,
156 }, {
157 .offset = 0x10,
158 }, {
159 .offset = 0x20,
160 }, {
161 .offset = 0x30,
162 }, {
163 .offset = 0x50,
164 }, {
165 .offset = 0x60,
169 static const unsigned int ts_shift[] = TS_SHIFT;
171 static struct sh_dmae_pdata dma0_platform_data = {
172 .channel = sh7780_dmae0_channels,
173 .channel_num = ARRAY_SIZE(sh7780_dmae0_channels),
174 .ts_low_shift = CHCR_TS_LOW_SHIFT,
175 .ts_low_mask = CHCR_TS_LOW_MASK,
176 .ts_high_shift = CHCR_TS_HIGH_SHIFT,
177 .ts_high_mask = CHCR_TS_HIGH_MASK,
178 .ts_shift = ts_shift,
179 .ts_shift_num = ARRAY_SIZE(ts_shift),
180 .dmaor_init = DMAOR_INIT,
183 static struct sh_dmae_pdata dma1_platform_data = {
184 .channel = sh7780_dmae1_channels,
185 .channel_num = ARRAY_SIZE(sh7780_dmae1_channels),
186 .ts_low_shift = CHCR_TS_LOW_SHIFT,
187 .ts_low_mask = CHCR_TS_LOW_MASK,
188 .ts_high_shift = CHCR_TS_HIGH_SHIFT,
189 .ts_high_mask = CHCR_TS_HIGH_MASK,
190 .ts_shift = ts_shift,
191 .ts_shift_num = ARRAY_SIZE(ts_shift),
192 .dmaor_init = DMAOR_INIT,
195 static struct resource sh7780_dmae0_resources[] = {
196 [0] = {
197 /* Channel registers and DMAOR */
198 .start = 0xfc808020,
199 .end = 0xfc80808f,
200 .flags = IORESOURCE_MEM,
202 [1] = {
203 /* DMARSx */
204 .start = 0xfc809000,
205 .end = 0xfc80900b,
206 .flags = IORESOURCE_MEM,
210 * Real DMA error vector is 0x6c0, and channel
211 * vectors are 0x640-0x6a0, 0x780-0x7a0
213 .name = "error_irq",
214 .start = evt2irq(0x640),
215 .end = evt2irq(0x640),
216 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_SHAREABLE,
220 static struct resource sh7780_dmae1_resources[] = {
221 [0] = {
222 /* Channel registers and DMAOR */
223 .start = 0xfc818020,
224 .end = 0xfc81808f,
225 .flags = IORESOURCE_MEM,
227 /* DMAC1 has no DMARS */
230 * Real DMA error vector is 0x6c0, and channel
231 * vectors are 0x7c0-0x7e0, 0xd80-0xde0
233 .name = "error_irq",
234 .start = evt2irq(0x7c0),
235 .end = evt2irq(0x7c0),
236 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_SHAREABLE,
240 static struct platform_device dma0_device = {
241 .name = "sh-dma-engine",
242 .id = 0,
243 .resource = sh7780_dmae0_resources,
244 .num_resources = ARRAY_SIZE(sh7780_dmae0_resources),
245 .dev = {
246 .platform_data = &dma0_platform_data,
250 static struct platform_device dma1_device = {
251 .name = "sh-dma-engine",
252 .id = 1,
253 .resource = sh7780_dmae1_resources,
254 .num_resources = ARRAY_SIZE(sh7780_dmae1_resources),
255 .dev = {
256 .platform_data = &dma1_platform_data,
260 static struct platform_device *sh7780_devices[] __initdata = {
261 &scif0_device,
262 &scif1_device,
263 &tmu0_device,
264 &tmu1_device,
265 &rtc_device,
266 &dma0_device,
267 &dma1_device,
270 static int __init sh7780_devices_setup(void)
272 return platform_add_devices(sh7780_devices,
273 ARRAY_SIZE(sh7780_devices));
275 arch_initcall(sh7780_devices_setup);
277 static struct platform_device *sh7780_early_devices[] __initdata = {
278 &scif0_device,
279 &scif1_device,
280 &tmu0_device,
281 &tmu1_device,
284 void __init plat_early_device_setup(void)
286 if (mach_is_sh2007()) {
287 scif0_platform_data.scscr &= ~SCSCR_CKE1;
288 scif1_platform_data.scscr &= ~SCSCR_CKE1;
291 early_platform_add_devices(sh7780_early_devices,
292 ARRAY_SIZE(sh7780_early_devices));
295 enum {
296 UNUSED = 0,
298 /* interrupt sources */
300 IRL_LLLL, IRL_LLLH, IRL_LLHL, IRL_LLHH,
301 IRL_LHLL, IRL_LHLH, IRL_LHHL, IRL_LHHH,
302 IRL_HLLL, IRL_HLLH, IRL_HLHL, IRL_HLHH,
303 IRL_HHLL, IRL_HHLH, IRL_HHHL,
305 IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7,
306 RTC, WDT, TMU0, TMU1, TMU2, TMU2_TICPI,
307 HUDI, DMAC0, SCIF0, DMAC1, CMT, HAC,
308 PCISERR, PCIINTA, PCIINTB, PCIINTC, PCIINTD, PCIC5,
309 SCIF1, SIOF, HSPI, MMCIF, TMU3, TMU4, TMU5, SSI, FLCTL, GPIO,
311 /* interrupt groups */
313 TMU012, TMU345,
316 static struct intc_vect vectors[] __initdata = {
317 INTC_VECT(RTC, 0x480), INTC_VECT(RTC, 0x4a0),
318 INTC_VECT(RTC, 0x4c0),
319 INTC_VECT(WDT, 0x560),
320 INTC_VECT(TMU0, 0x580), INTC_VECT(TMU1, 0x5a0),
321 INTC_VECT(TMU2, 0x5c0), INTC_VECT(TMU2_TICPI, 0x5e0),
322 INTC_VECT(HUDI, 0x600),
323 INTC_VECT(DMAC0, 0x640), INTC_VECT(DMAC0, 0x660),
324 INTC_VECT(DMAC0, 0x680), INTC_VECT(DMAC0, 0x6a0),
325 INTC_VECT(DMAC0, 0x6c0),
326 INTC_VECT(SCIF0, 0x700), INTC_VECT(SCIF0, 0x720),
327 INTC_VECT(SCIF0, 0x740), INTC_VECT(SCIF0, 0x760),
328 INTC_VECT(DMAC0, 0x780), INTC_VECT(DMAC0, 0x7a0),
329 INTC_VECT(DMAC1, 0x7c0), INTC_VECT(DMAC1, 0x7e0),
330 INTC_VECT(CMT, 0x900), INTC_VECT(HAC, 0x980),
331 INTC_VECT(PCISERR, 0xa00), INTC_VECT(PCIINTA, 0xa20),
332 INTC_VECT(PCIINTB, 0xa40), INTC_VECT(PCIINTC, 0xa60),
333 INTC_VECT(PCIINTD, 0xa80), INTC_VECT(PCIC5, 0xaa0),
334 INTC_VECT(PCIC5, 0xac0), INTC_VECT(PCIC5, 0xae0),
335 INTC_VECT(PCIC5, 0xb00), INTC_VECT(PCIC5, 0xb20),
336 INTC_VECT(SCIF1, 0xb80), INTC_VECT(SCIF1, 0xba0),
337 INTC_VECT(SCIF1, 0xbc0), INTC_VECT(SCIF1, 0xbe0),
338 INTC_VECT(SIOF, 0xc00), INTC_VECT(HSPI, 0xc80),
339 INTC_VECT(MMCIF, 0xd00), INTC_VECT(MMCIF, 0xd20),
340 INTC_VECT(MMCIF, 0xd40), INTC_VECT(MMCIF, 0xd60),
341 INTC_VECT(DMAC1, 0xd80), INTC_VECT(DMAC1, 0xda0),
342 INTC_VECT(DMAC1, 0xdc0), INTC_VECT(DMAC1, 0xde0),
343 INTC_VECT(TMU3, 0xe00), INTC_VECT(TMU4, 0xe20),
344 INTC_VECT(TMU5, 0xe40),
345 INTC_VECT(SSI, 0xe80),
346 INTC_VECT(FLCTL, 0xf00), INTC_VECT(FLCTL, 0xf20),
347 INTC_VECT(FLCTL, 0xf40), INTC_VECT(FLCTL, 0xf60),
348 INTC_VECT(GPIO, 0xf80), INTC_VECT(GPIO, 0xfa0),
349 INTC_VECT(GPIO, 0xfc0), INTC_VECT(GPIO, 0xfe0),
352 static struct intc_group groups[] __initdata = {
353 INTC_GROUP(TMU012, TMU0, TMU1, TMU2, TMU2_TICPI),
354 INTC_GROUP(TMU345, TMU3, TMU4, TMU5),
357 static struct intc_mask_reg mask_registers[] __initdata = {
358 { 0xffd40038, 0xffd4003c, 32, /* INT2MSKR / INT2MSKCR */
359 { 0, 0, 0, 0, 0, 0, GPIO, FLCTL,
360 SSI, MMCIF, HSPI, SIOF, PCIC5, PCIINTD, PCIINTC, PCIINTB,
361 PCIINTA, PCISERR, HAC, CMT, 0, 0, DMAC1, DMAC0,
362 HUDI, 0, WDT, SCIF1, SCIF0, RTC, TMU345, TMU012 } },
365 static struct intc_prio_reg prio_registers[] __initdata = {
366 { 0xffd40000, 0, 32, 8, /* INT2PRI0 */ { TMU0, TMU1,
367 TMU2, TMU2_TICPI } },
368 { 0xffd40004, 0, 32, 8, /* INT2PRI1 */ { TMU3, TMU4, TMU5, RTC } },
369 { 0xffd40008, 0, 32, 8, /* INT2PRI2 */ { SCIF0, SCIF1, WDT } },
370 { 0xffd4000c, 0, 32, 8, /* INT2PRI3 */ { HUDI, DMAC0, DMAC1 } },
371 { 0xffd40010, 0, 32, 8, /* INT2PRI4 */ { CMT, HAC,
372 PCISERR, PCIINTA, } },
373 { 0xffd40014, 0, 32, 8, /* INT2PRI5 */ { PCIINTB, PCIINTC,
374 PCIINTD, PCIC5 } },
375 { 0xffd40018, 0, 32, 8, /* INT2PRI6 */ { SIOF, HSPI, MMCIF, SSI } },
376 { 0xffd4001c, 0, 32, 8, /* INT2PRI7 */ { FLCTL, GPIO } },
379 static DECLARE_INTC_DESC(intc_desc, "sh7780", vectors, groups,
380 mask_registers, prio_registers, NULL);
382 /* Support for external interrupt pins in IRQ mode */
384 static struct intc_vect irq_vectors[] __initdata = {
385 INTC_VECT(IRQ0, 0x240), INTC_VECT(IRQ1, 0x280),
386 INTC_VECT(IRQ2, 0x2c0), INTC_VECT(IRQ3, 0x300),
387 INTC_VECT(IRQ4, 0x340), INTC_VECT(IRQ5, 0x380),
388 INTC_VECT(IRQ6, 0x3c0), INTC_VECT(IRQ7, 0x200),
391 static struct intc_mask_reg irq_mask_registers[] __initdata = {
392 { 0xffd00044, 0xffd00064, 32, /* INTMSK0 / INTMSKCLR0 */
393 { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } },
396 static struct intc_prio_reg irq_prio_registers[] __initdata = {
397 { 0xffd00010, 0, 32, 4, /* INTPRI */ { IRQ0, IRQ1, IRQ2, IRQ3,
398 IRQ4, IRQ5, IRQ6, IRQ7 } },
401 static struct intc_sense_reg irq_sense_registers[] __initdata = {
402 { 0xffd0001c, 32, 2, /* ICR1 */ { IRQ0, IRQ1, IRQ2, IRQ3,
403 IRQ4, IRQ5, IRQ6, IRQ7 } },
406 static struct intc_mask_reg irq_ack_registers[] __initdata = {
407 { 0xffd00024, 0, 32, /* INTREQ */
408 { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } },
411 static DECLARE_INTC_DESC_ACK(intc_irq_desc, "sh7780-irq", irq_vectors,
412 NULL, irq_mask_registers, irq_prio_registers,
413 irq_sense_registers, irq_ack_registers);
415 /* External interrupt pins in IRL mode */
417 static struct intc_vect irl_vectors[] __initdata = {
418 INTC_VECT(IRL_LLLL, 0x200), INTC_VECT(IRL_LLLH, 0x220),
419 INTC_VECT(IRL_LLHL, 0x240), INTC_VECT(IRL_LLHH, 0x260),
420 INTC_VECT(IRL_LHLL, 0x280), INTC_VECT(IRL_LHLH, 0x2a0),
421 INTC_VECT(IRL_LHHL, 0x2c0), INTC_VECT(IRL_LHHH, 0x2e0),
422 INTC_VECT(IRL_HLLL, 0x300), INTC_VECT(IRL_HLLH, 0x320),
423 INTC_VECT(IRL_HLHL, 0x340), INTC_VECT(IRL_HLHH, 0x360),
424 INTC_VECT(IRL_HHLL, 0x380), INTC_VECT(IRL_HHLH, 0x3a0),
425 INTC_VECT(IRL_HHHL, 0x3c0),
428 static struct intc_mask_reg irl3210_mask_registers[] __initdata = {
429 { 0xffd40080, 0xffd40084, 32, /* INTMSK2 / INTMSKCLR2 */
430 { IRL_LLLL, IRL_LLLH, IRL_LLHL, IRL_LLHH,
431 IRL_LHLL, IRL_LHLH, IRL_LHHL, IRL_LHHH,
432 IRL_HLLL, IRL_HLLH, IRL_HLHL, IRL_HLHH,
433 IRL_HHLL, IRL_HHLH, IRL_HHHL, } },
436 static struct intc_mask_reg irl7654_mask_registers[] __initdata = {
437 { 0xffd40080, 0xffd40084, 32, /* INTMSK2 / INTMSKCLR2 */
438 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
439 IRL_LLLL, IRL_LLLH, IRL_LLHL, IRL_LLHH,
440 IRL_LHLL, IRL_LHLH, IRL_LHHL, IRL_LHHH,
441 IRL_HLLL, IRL_HLLH, IRL_HLHL, IRL_HLHH,
442 IRL_HHLL, IRL_HHLH, IRL_HHHL, } },
445 static DECLARE_INTC_DESC(intc_irl7654_desc, "sh7780-irl7654", irl_vectors,
446 NULL, irl7654_mask_registers, NULL, NULL);
448 static DECLARE_INTC_DESC(intc_irl3210_desc, "sh7780-irl3210", irl_vectors,
449 NULL, irl3210_mask_registers, NULL, NULL);
451 #define INTC_ICR0 0xffd00000
452 #define INTC_INTMSK0 0xffd00044
453 #define INTC_INTMSK1 0xffd00048
454 #define INTC_INTMSK2 0xffd40080
455 #define INTC_INTMSKCLR1 0xffd00068
456 #define INTC_INTMSKCLR2 0xffd40084
458 void __init plat_irq_setup(void)
460 /* disable IRQ7-0 */
461 __raw_writel(0xff000000, INTC_INTMSK0);
463 /* disable IRL3-0 + IRL7-4 */
464 __raw_writel(0xc0000000, INTC_INTMSK1);
465 __raw_writel(0xfffefffe, INTC_INTMSK2);
467 /* select IRL mode for IRL3-0 + IRL7-4 */
468 __raw_writel(__raw_readl(INTC_ICR0) & ~0x00c00000, INTC_ICR0);
470 /* disable holding function, ie enable "SH-4 Mode" */
471 __raw_writel(__raw_readl(INTC_ICR0) | 0x00200000, INTC_ICR0);
473 register_intc_controller(&intc_desc);
476 void __init plat_irq_setup_pins(int mode)
478 switch (mode) {
479 case IRQ_MODE_IRQ:
480 /* select IRQ mode for IRL3-0 + IRL7-4 */
481 __raw_writel(__raw_readl(INTC_ICR0) | 0x00c00000, INTC_ICR0);
482 register_intc_controller(&intc_irq_desc);
483 break;
484 case IRQ_MODE_IRL7654:
485 /* enable IRL7-4 but don't provide any masking */
486 __raw_writel(0x40000000, INTC_INTMSKCLR1);
487 __raw_writel(0x0000fffe, INTC_INTMSKCLR2);
488 break;
489 case IRQ_MODE_IRL3210:
490 /* enable IRL0-3 but don't provide any masking */
491 __raw_writel(0x80000000, INTC_INTMSKCLR1);
492 __raw_writel(0xfffe0000, INTC_INTMSKCLR2);
493 break;
494 case IRQ_MODE_IRL7654_MASK:
495 /* enable IRL7-4 and mask using cpu intc controller */
496 __raw_writel(0x40000000, INTC_INTMSKCLR1);
497 register_intc_controller(&intc_irl7654_desc);
498 break;
499 case IRQ_MODE_IRL3210_MASK:
500 /* enable IRL0-3 and mask using cpu intc controller */
501 __raw_writel(0x80000000, INTC_INTMSKCLR1);
502 register_intc_controller(&intc_irl3210_desc);
503 break;
504 default:
505 BUG();