1// SPDX-License-Identifier: GPL-2.0
2/*
3 * SH7786 Setup
4 *
5 * Copyright (C) 2009 - 2011 Renesas Solutions Corp.
6 * Kuninori Morimoto <morimoto.kuninori@renesas.com>
7 * Paul Mundt <paul.mundt@renesas.com>
8 *
9 * Based on SH7785 Setup
10 *
11 * Copyright (C) 2007 Paul Mundt
12 */
13#include <linux/platform_device.h>
14#include <linux/init.h>
15#include <linux/serial.h>
16#include <linux/serial_sci.h>
17#include <linux/io.h>
18#include <linux/mm.h>
19#include <linux/dma-mapping.h>
20#include <linux/sh_timer.h>
21#include <linux/sh_dma.h>
22#include <linux/sh_intc.h>
23#include <linux/usb/ohci_pdriver.h>
24#include <cpu/dma-register.h>
25#include <asm/mmzone.h>
26#include <asm/platform_early.h>
27
28static struct plat_sci_port scif0_platform_data = {
29 .scscr = SCSCR_REIE | SCSCR_CKE1,
30 .type = PORT_SCIF,
31 .regtype = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
32};
33
34static struct resource scif0_resources[] = {
35 DEFINE_RES_MEM(0xffea0000, 0x100),
36 DEFINE_RES_IRQ(evt2irq(0x700)),
37 DEFINE_RES_IRQ(evt2irq(0x720)),
38 DEFINE_RES_IRQ(evt2irq(0x760)),
39 DEFINE_RES_IRQ(evt2irq(0x740)),
40};
41
42static struct platform_device scif0_device = {
43 .name = "sh-sci",
44 .id = 0,
45 .resource = scif0_resources,
46 .num_resources = ARRAY_SIZE(scif0_resources),
47 .dev = {
48 .platform_data = &scif0_platform_data,
49 },
50};
51
52/*
53 * The rest of these all have multiplexed IRQs
54 */
55static struct plat_sci_port scif1_platform_data = {
56 .scscr = SCSCR_REIE | SCSCR_CKE1,
57 .type = PORT_SCIF,
58 .regtype = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
59};
60
61static struct resource scif1_resources[] = {
62 DEFINE_RES_MEM(0xffeb0000, 0x100),
63 DEFINE_RES_IRQ(evt2irq(0x780)),
64};
65
66static struct resource scif1_demux_resources[] = {
67 DEFINE_RES_MEM(0xffeb0000, 0x100),
68 /* Placeholders, see sh7786_devices_setup() */
69 DEFINE_RES_IRQ(0),
70 DEFINE_RES_IRQ(0),
71 DEFINE_RES_IRQ(0),
72 DEFINE_RES_IRQ(0),
73};
74
75static struct platform_device scif1_device = {
76 .name = "sh-sci",
77 .id = 1,
78 .resource = scif1_resources,
79 .num_resources = ARRAY_SIZE(scif1_resources),
80 .dev = {
81 .platform_data = &scif1_platform_data,
82 },
83};
84
85static struct plat_sci_port scif2_platform_data = {
86 .scscr = SCSCR_REIE | SCSCR_CKE1,
87 .type = PORT_SCIF,
88 .regtype = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
89};
90
91static struct resource scif2_resources[] = {
92 DEFINE_RES_MEM(0xffec0000, 0x100),
93 DEFINE_RES_IRQ(evt2irq(0x840)),
94};
95
96static struct platform_device scif2_device = {
97 .name = "sh-sci",
98 .id = 2,
99 .resource = scif2_resources,
100 .num_resources = ARRAY_SIZE(scif2_resources),
101 .dev = {
102 .platform_data = &scif2_platform_data,
103 },
104};
105
106static struct plat_sci_port scif3_platform_data = {
107 .scscr = SCSCR_REIE | SCSCR_CKE1,
108 .type = PORT_SCIF,
109 .regtype = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
110};
111
112static struct resource scif3_resources[] = {
113 DEFINE_RES_MEM(0xffed0000, 0x100),
114 DEFINE_RES_IRQ(evt2irq(0x860)),
115};
116
117static struct platform_device scif3_device = {
118 .name = "sh-sci",
119 .id = 3,
120 .resource = scif3_resources,
121 .num_resources = ARRAY_SIZE(scif3_resources),
122 .dev = {
123 .platform_data = &scif3_platform_data,
124 },
125};
126
127static struct plat_sci_port scif4_platform_data = {
128 .scscr = SCSCR_REIE | SCSCR_CKE1,
129 .type = PORT_SCIF,
130 .regtype = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
131};
132
133static struct resource scif4_resources[] = {
134 DEFINE_RES_MEM(0xffee0000, 0x100),
135 DEFINE_RES_IRQ(evt2irq(0x880)),
136};
137
138static struct platform_device scif4_device = {
139 .name = "sh-sci",
140 .id = 4,
141 .resource = scif4_resources,
142 .num_resources = ARRAY_SIZE(scif4_resources),
143 .dev = {
144 .platform_data = &scif4_platform_data,
145 },
146};
147
148static struct plat_sci_port scif5_platform_data = {
149 .scscr = SCSCR_REIE | SCSCR_CKE1,
150 .type = PORT_SCIF,
151 .regtype = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
152};
153
154static struct resource scif5_resources[] = {
155 DEFINE_RES_MEM(0xffef0000, 0x100),
156 DEFINE_RES_IRQ(evt2irq(0x8a0)),
157};
158
159static struct platform_device scif5_device = {
160 .name = "sh-sci",
161 .id = 5,
162 .resource = scif5_resources,
163 .num_resources = ARRAY_SIZE(scif5_resources),
164 .dev = {
165 .platform_data = &scif5_platform_data,
166 },
167};
168
169static struct sh_timer_config tmu0_platform_data = {
170 .channels_mask = 7,
171};
172
173static struct resource tmu0_resources[] = {
174 DEFINE_RES_MEM(0xffd80000, 0x30),
175 DEFINE_RES_IRQ(evt2irq(0x400)),
176 DEFINE_RES_IRQ(evt2irq(0x420)),
177 DEFINE_RES_IRQ(evt2irq(0x440)),
178};
179
180static struct platform_device tmu0_device = {
181 .name = "sh-tmu",
182 .id = 0,
183 .dev = {
184 .platform_data = &tmu0_platform_data,
185 },
186 .resource = tmu0_resources,
187 .num_resources = ARRAY_SIZE(tmu0_resources),
188};
189
190static struct sh_timer_config tmu1_platform_data = {
191 .channels_mask = 7,
192};
193
194static struct resource tmu1_resources[] = {
195 DEFINE_RES_MEM(0xffda0000, 0x2c),
196 DEFINE_RES_IRQ(evt2irq(0x480)),
197 DEFINE_RES_IRQ(evt2irq(0x4a0)),
198 DEFINE_RES_IRQ(evt2irq(0x4c0)),
199};
200
201static struct platform_device tmu1_device = {
202 .name = "sh-tmu",
203 .id = 1,
204 .dev = {
205 .platform_data = &tmu1_platform_data,
206 },
207 .resource = tmu1_resources,
208 .num_resources = ARRAY_SIZE(tmu1_resources),
209};
210
211static struct sh_timer_config tmu2_platform_data = {
212 .channels_mask = 7,
213};
214
215static struct resource tmu2_resources[] = {
216 DEFINE_RES_MEM(0xffdc0000, 0x2c),
217 DEFINE_RES_IRQ(evt2irq(0x7a0)),
218 DEFINE_RES_IRQ(evt2irq(0x7a0)),
219 DEFINE_RES_IRQ(evt2irq(0x7a0)),
220};
221
222static struct platform_device tmu2_device = {
223 .name = "sh-tmu",
224 .id = 2,
225 .dev = {
226 .platform_data = &tmu2_platform_data,
227 },
228 .resource = tmu2_resources,
229 .num_resources = ARRAY_SIZE(tmu2_resources),
230};
231
232static struct sh_timer_config tmu3_platform_data = {
233 .channels_mask = 7,
234};
235
236static struct resource tmu3_resources[] = {
237 DEFINE_RES_MEM(0xffde0000, 0x2c),
238 DEFINE_RES_IRQ(evt2irq(0x7c0)),
239 DEFINE_RES_IRQ(evt2irq(0x7c0)),
240 DEFINE_RES_IRQ(evt2irq(0x7c0)),
241};
242
243static struct platform_device tmu3_device = {
244 .name = "sh-tmu",
245 .id = 3,
246 .dev = {
247 .platform_data = &tmu3_platform_data,
248 },
249 .resource = tmu3_resources,
250 .num_resources = ARRAY_SIZE(tmu3_resources),
251};
252
253static const struct sh_dmae_channel dmac0_channels[] = {
254 {
255 .offset = 0,
256 .dmars = 0,
257 .dmars_bit = 0,
258 }, {
259 .offset = 0x10,
260 .dmars = 0,
261 .dmars_bit = 8,
262 }, {
263 .offset = 0x20,
264 .dmars = 4,
265 .dmars_bit = 0,
266 }, {
267 .offset = 0x30,
268 .dmars = 4,
269 .dmars_bit = 8,
270 }, {
271 .offset = 0x50,
272 .dmars = 8,
273 .dmars_bit = 0,
274 }, {
275 .offset = 0x60,
276 .dmars = 8,
277 .dmars_bit = 8,
278 }
279};
280
281static const unsigned int ts_shift[] = TS_SHIFT;
282
283static struct sh_dmae_pdata dma0_platform_data = {
284 .channel = dmac0_channels,
285 .channel_num = ARRAY_SIZE(dmac0_channels),
286 .ts_low_shift = CHCR_TS_LOW_SHIFT,
287 .ts_low_mask = CHCR_TS_LOW_MASK,
288 .ts_high_shift = CHCR_TS_HIGH_SHIFT,
289 .ts_high_mask = CHCR_TS_HIGH_MASK,
290 .ts_shift = ts_shift,
291 .ts_shift_num = ARRAY_SIZE(ts_shift),
292 .dmaor_init = DMAOR_INIT,
293};
294
295/* Resource order important! */
296static struct resource dmac0_resources[] = {
297 {
298 /* Channel registers and DMAOR */
299 .start = 0xfe008020,
300 .end = 0xfe00808f,
301 .flags = IORESOURCE_MEM,
302 }, {
303 /* DMARSx */
304 .start = 0xfe009000,
305 .end = 0xfe00900b,
306 .flags = IORESOURCE_MEM,
307 }, {
308 .name = "error_irq",
309 .start = evt2irq(0x5c0),
310 .end = evt2irq(0x5c0),
311 .flags = IORESOURCE_IRQ,
312 }, {
313 /* IRQ for channels 0-5 */
314 .start = evt2irq(0x500),
315 .end = evt2irq(0x5a0),
316 .flags = IORESOURCE_IRQ,
317 },
318};
319
320static struct platform_device dma0_device = {
321 .name = "sh-dma-engine",
322 .id = 0,
323 .resource = dmac0_resources,
324 .num_resources = ARRAY_SIZE(dmac0_resources),
325 .dev = {
326 .platform_data = &dma0_platform_data,
327 },
328};
329
330#define USB_EHCI_START 0xffe70000
331#define USB_OHCI_START 0xffe70400
332
333static struct resource usb_ehci_resources[] = {
334 [0] = {
335 .start = USB_EHCI_START,
336 .end = USB_EHCI_START + 0x3ff,
337 .flags = IORESOURCE_MEM,
338 },
339 [1] = {
340 .start = evt2irq(0xba0),
341 .end = evt2irq(0xba0),
342 .flags = IORESOURCE_IRQ,
343 },
344};
345
346static struct platform_device usb_ehci_device = {
347 .name = "sh_ehci",
348 .id = -1,
349 .dev = {
350 .dma_mask = &usb_ehci_device.dev.coherent_dma_mask,
351 .coherent_dma_mask = DMA_BIT_MASK(32),
352 },
353 .num_resources = ARRAY_SIZE(usb_ehci_resources),
354 .resource = usb_ehci_resources,
355};
356
357static struct resource usb_ohci_resources[] = {
358 [0] = {
359 .start = USB_OHCI_START,
360 .end = USB_OHCI_START + 0x3ff,
361 .flags = IORESOURCE_MEM,
362 },
363 [1] = {
364 .start = evt2irq(0xba0),
365 .end = evt2irq(0xba0),
366 .flags = IORESOURCE_IRQ,
367 },
368};
369
370static struct usb_ohci_pdata usb_ohci_pdata;
371
372static struct platform_device usb_ohci_device = {
373 .name = "ohci-platform",
374 .id = -1,
375 .dev = {
376 .dma_mask = &usb_ohci_device.dev.coherent_dma_mask,
377 .coherent_dma_mask = DMA_BIT_MASK(32),
378 .platform_data = &usb_ohci_pdata,
379 },
380 .num_resources = ARRAY_SIZE(usb_ohci_resources),
381 .resource = usb_ohci_resources,
382};
383
384static struct platform_device *sh7786_early_devices[] __initdata = {
385 &scif0_device,
386 &scif1_device,
387 &scif2_device,
388 &scif3_device,
389 &scif4_device,
390 &scif5_device,
391 &tmu0_device,
392 &tmu1_device,
393 &tmu2_device,
394 &tmu3_device,
395};
396
397static struct platform_device *sh7786_devices[] __initdata = {
398 &dma0_device,
399 &usb_ehci_device,
400 &usb_ohci_device,
401};
402
403#define USBINITREG1 0xffe70094
404#define USBINITREG2 0xffe7009c
405#define USBINITVAL1 0x00ff0040
406#define USBINITVAL2 0x00000001
407
408#define USBPCTL1 0xffe70804
409#define USBST 0xffe70808
410#define PHY_ENB 0x00000001
411#define PLL_ENB 0x00000002
412#define PHY_RST 0x00000004
413#define ACT_PLL_STATUS 0xc0000000
414
415static void __init sh7786_usb_setup(void)
416{
417 int i = 1000000;
418
419 /*
420 * USB initial settings
421 *
422 * The following settings are necessary
423 * for using the USB modules.
424 *
425 * see "USB Initial Settings" for detail
426 */
427 __raw_writel(USBINITVAL1, USBINITREG1);
428 __raw_writel(USBINITVAL2, USBINITREG2);
429
430 /*
431 * Set the PHY and PLL enable bit
432 */
433 __raw_writel(PHY_ENB | PLL_ENB, USBPCTL1);
434 while (i--) {
435 if (ACT_PLL_STATUS == (__raw_readl(USBST) & ACT_PLL_STATUS)) {
436 /* Set the PHY RST bit */
437 __raw_writel(PHY_ENB | PLL_ENB | PHY_RST, USBPCTL1);
438 printk(KERN_INFO "sh7786 usb setup done\n");
439 break;
440 }
441 cpu_relax();
442 }
443}
444
445enum {
446 UNUSED = 0,
447
448 /* interrupt sources */
449 IRL0_LLLL, IRL0_LLLH, IRL0_LLHL, IRL0_LLHH,
450 IRL0_LHLL, IRL0_LHLH, IRL0_LHHL, IRL0_LHHH,
451 IRL0_HLLL, IRL0_HLLH, IRL0_HLHL, IRL0_HLHH,
452 IRL0_HHLL, IRL0_HHLH, IRL0_HHHL,
453
454 IRL4_LLLL, IRL4_LLLH, IRL4_LLHL, IRL4_LLHH,
455 IRL4_LHLL, IRL4_LHLH, IRL4_LHHL, IRL4_LHHH,
456 IRL4_HLLL, IRL4_HLLH, IRL4_HLHL, IRL4_HLHH,
457 IRL4_HHLL, IRL4_HHLH, IRL4_HHHL,
458
459 IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7,
460 WDT,
461 TMU0_0, TMU0_1, TMU0_2, TMU0_3,
462 TMU1_0, TMU1_1, TMU1_2,
463 DMAC0_0, DMAC0_1, DMAC0_2, DMAC0_3, DMAC0_4, DMAC0_5, DMAC0_6,
464 HUDI1, HUDI0,
465 DMAC1_0, DMAC1_1, DMAC1_2, DMAC1_3,
466 HPB_0, HPB_1, HPB_2,
467 SCIF0_0, SCIF0_1, SCIF0_2, SCIF0_3,
468 SCIF1,
469 TMU2, TMU3,
470 SCIF2, SCIF3, SCIF4, SCIF5,
471 Eth_0, Eth_1,
472 PCIeC0_0, PCIeC0_1, PCIeC0_2,
473 PCIeC1_0, PCIeC1_1, PCIeC1_2,
474 USB,
475 I2C0, I2C1,
476 DU,
477 SSI0, SSI1, SSI2, SSI3,
478 PCIeC2_0, PCIeC2_1, PCIeC2_2,
479 HAC0, HAC1,
480 FLCTL,
481 HSPI,
482 GPIO0, GPIO1,
483 Thermal,
484 INTICI0, INTICI1, INTICI2, INTICI3,
485 INTICI4, INTICI5, INTICI6, INTICI7,
486
487 /* Muxed sub-events */
488 TXI1, BRI1, RXI1, ERI1,
489};
490
491static struct intc_vect sh7786_vectors[] __initdata = {
492 INTC_VECT(WDT, 0x3e0),
493 INTC_VECT(TMU0_0, 0x400), INTC_VECT(TMU0_1, 0x420),
494 INTC_VECT(TMU0_2, 0x440), INTC_VECT(TMU0_3, 0x460),
495 INTC_VECT(TMU1_0, 0x480), INTC_VECT(TMU1_1, 0x4a0),
496 INTC_VECT(TMU1_2, 0x4c0),
497 INTC_VECT(DMAC0_0, 0x500), INTC_VECT(DMAC0_1, 0x520),
498 INTC_VECT(DMAC0_2, 0x540), INTC_VECT(DMAC0_3, 0x560),
499 INTC_VECT(DMAC0_4, 0x580), INTC_VECT(DMAC0_5, 0x5a0),
500 INTC_VECT(DMAC0_6, 0x5c0),
501 INTC_VECT(HUDI1, 0x5e0), INTC_VECT(HUDI0, 0x600),
502 INTC_VECT(DMAC1_0, 0x620), INTC_VECT(DMAC1_1, 0x640),
503 INTC_VECT(DMAC1_2, 0x660), INTC_VECT(DMAC1_3, 0x680),
504 INTC_VECT(HPB_0, 0x6a0), INTC_VECT(HPB_1, 0x6c0),
505 INTC_VECT(HPB_2, 0x6e0),
506 INTC_VECT(SCIF0_0, 0x700), INTC_VECT(SCIF0_1, 0x720),
507 INTC_VECT(SCIF0_2, 0x740), INTC_VECT(SCIF0_3, 0x760),
508 INTC_VECT(SCIF1, 0x780),
509 INTC_VECT(TMU2, 0x7a0), INTC_VECT(TMU3, 0x7c0),
510 INTC_VECT(SCIF2, 0x840), INTC_VECT(SCIF3, 0x860),
511 INTC_VECT(SCIF4, 0x880), INTC_VECT(SCIF5, 0x8a0),
512 INTC_VECT(Eth_0, 0x8c0), INTC_VECT(Eth_1, 0x8e0),
513 INTC_VECT(PCIeC0_0, 0xae0), INTC_VECT(PCIeC0_1, 0xb00),
514 INTC_VECT(PCIeC0_2, 0xb20),
515 INTC_VECT(PCIeC1_0, 0xb40), INTC_VECT(PCIeC1_1, 0xb60),
516 INTC_VECT(PCIeC1_2, 0xb80),
517 INTC_VECT(USB, 0xba0),
518 INTC_VECT(I2C0, 0xcc0), INTC_VECT(I2C1, 0xce0),
519 INTC_VECT(DU, 0xd00),
520 INTC_VECT(SSI0, 0xd20), INTC_VECT(SSI1, 0xd40),
521 INTC_VECT(SSI2, 0xd60), INTC_VECT(SSI3, 0xd80),
522 INTC_VECT(PCIeC2_0, 0xda0), INTC_VECT(PCIeC2_1, 0xdc0),
523 INTC_VECT(PCIeC2_2, 0xde0),
524 INTC_VECT(HAC0, 0xe00), INTC_VECT(HAC1, 0xe20),
525 INTC_VECT(FLCTL, 0xe40),
526 INTC_VECT(HSPI, 0xe80),
527 INTC_VECT(GPIO0, 0xea0), INTC_VECT(GPIO1, 0xec0),
528 INTC_VECT(Thermal, 0xee0),
529 INTC_VECT(INTICI0, 0xf00), INTC_VECT(INTICI1, 0xf20),
530 INTC_VECT(INTICI2, 0xf40), INTC_VECT(INTICI3, 0xf60),
531 INTC_VECT(INTICI4, 0xf80), INTC_VECT(INTICI5, 0xfa0),
532 INTC_VECT(INTICI6, 0xfc0), INTC_VECT(INTICI7, 0xfe0),
533};
534
535#define CnINTMSK0 0xfe410030
536#define CnINTMSK1 0xfe410040
537#define CnINTMSKCLR0 0xfe410050
538#define CnINTMSKCLR1 0xfe410060
539#define CnINT2MSKR0 0xfe410a20
540#define CnINT2MSKR1 0xfe410a24
541#define CnINT2MSKR2 0xfe410a28
542#define CnINT2MSKR3 0xfe410a2c
543#define CnINT2MSKCR0 0xfe410a30
544#define CnINT2MSKCR1 0xfe410a34
545#define CnINT2MSKCR2 0xfe410a38
546#define CnINT2MSKCR3 0xfe410a3c
547#define INTMSK2 0xfe410068
548#define INTMSKCLR2 0xfe41006c
549
550#define INTDISTCR0 0xfe4100b0
551#define INTDISTCR1 0xfe4100b4
552#define INT2DISTCR0 0xfe410900
553#define INT2DISTCR1 0xfe410904
554#define INT2DISTCR2 0xfe410908
555#define INT2DISTCR3 0xfe41090c
556
557static struct intc_mask_reg sh7786_mask_registers[] __initdata = {
558 { CnINTMSK0, CnINTMSKCLR0, 32,
559 { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 },
560 INTC_SMP_BALANCING(INTDISTCR0) },
561 { INTMSK2, INTMSKCLR2, 32,
562 { IRL0_LLLL, IRL0_LLLH, IRL0_LLHL, IRL0_LLHH,
563 IRL0_LHLL, IRL0_LHLH, IRL0_LHHL, IRL0_LHHH,
564 IRL0_HLLL, IRL0_HLLH, IRL0_HLHL, IRL0_HLHH,
565 IRL0_HHLL, IRL0_HHLH, IRL0_HHHL, 0,
566 IRL4_LLLL, IRL4_LLLH, IRL4_LLHL, IRL4_LLHH,
567 IRL4_LHLL, IRL4_LHLH, IRL4_LHHL, IRL4_LHHH,
568 IRL4_HLLL, IRL4_HLLH, IRL4_HLHL, IRL4_HLHH,
569 IRL4_HHLL, IRL4_HHLH, IRL4_HHHL, 0, } },
570 { CnINT2MSKR0, CnINT2MSKCR0 , 32,
571 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
572 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, WDT },
573 INTC_SMP_BALANCING(INT2DISTCR0) },
574 { CnINT2MSKR1, CnINT2MSKCR1, 32,
575 { TMU0_0, TMU0_1, TMU0_2, TMU0_3, TMU1_0, TMU1_1, TMU1_2, 0,
576 DMAC0_0, DMAC0_1, DMAC0_2, DMAC0_3, DMAC0_4, DMAC0_5, DMAC0_6,
577 HUDI1, HUDI0,
578 DMAC1_0, DMAC1_1, DMAC1_2, DMAC1_3,
579 HPB_0, HPB_1, HPB_2,
580 SCIF0_0, SCIF0_1, SCIF0_2, SCIF0_3,
581 SCIF1,
582 TMU2, TMU3, 0, }, INTC_SMP_BALANCING(INT2DISTCR1) },
583 { CnINT2MSKR2, CnINT2MSKCR2, 32,
584 { 0, 0, SCIF2, SCIF3, SCIF4, SCIF5,
585 Eth_0, Eth_1,
586 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
587 PCIeC0_0, PCIeC0_1, PCIeC0_2,
588 PCIeC1_0, PCIeC1_1, PCIeC1_2,
589 USB, 0, 0 }, INTC_SMP_BALANCING(INT2DISTCR2) },
590 { CnINT2MSKR3, CnINT2MSKCR3, 32,
591 { 0, 0, 0, 0, 0, 0,
592 I2C0, I2C1,
593 DU, SSI0, SSI1, SSI2, SSI3,
594 PCIeC2_0, PCIeC2_1, PCIeC2_2,
595 HAC0, HAC1,
596 FLCTL, 0,
597 HSPI, GPIO0, GPIO1, Thermal,
598 0, 0, 0, 0, 0, 0, 0, 0 }, INTC_SMP_BALANCING(INT2DISTCR3) },
599};
600
601static struct intc_prio_reg sh7786_prio_registers[] __initdata = {
602 { 0xfe410010, 0, 32, 4, /* INTPRI */ { IRQ0, IRQ1, IRQ2, IRQ3,
603 IRQ4, IRQ5, IRQ6, IRQ7 } },
604 { 0xfe410800, 0, 32, 8, /* INT2PRI0 */ { 0, 0, 0, WDT } },
605 { 0xfe410804, 0, 32, 8, /* INT2PRI1 */ { TMU0_0, TMU0_1,
606 TMU0_2, TMU0_3 } },
607 { 0xfe410808, 0, 32, 8, /* INT2PRI2 */ { TMU1_0, TMU1_1,
608 TMU1_2, 0 } },
609 { 0xfe41080c, 0, 32, 8, /* INT2PRI3 */ { DMAC0_0, DMAC0_1,
610 DMAC0_2, DMAC0_3 } },
611 { 0xfe410810, 0, 32, 8, /* INT2PRI4 */ { DMAC0_4, DMAC0_5,
612 DMAC0_6, HUDI1 } },
613 { 0xfe410814, 0, 32, 8, /* INT2PRI5 */ { HUDI0, DMAC1_0,
614 DMAC1_1, DMAC1_2 } },
615 { 0xfe410818, 0, 32, 8, /* INT2PRI6 */ { DMAC1_3, HPB_0,
616 HPB_1, HPB_2 } },
617 { 0xfe41081c, 0, 32, 8, /* INT2PRI7 */ { SCIF0_0, SCIF0_1,
618 SCIF0_2, SCIF0_3 } },
619 { 0xfe410820, 0, 32, 8, /* INT2PRI8 */ { SCIF1, TMU2, TMU3, 0 } },
620 { 0xfe410824, 0, 32, 8, /* INT2PRI9 */ { 0, 0, SCIF2, SCIF3 } },
621 { 0xfe410828, 0, 32, 8, /* INT2PRI10 */ { SCIF4, SCIF5,
622 Eth_0, Eth_1 } },
623 { 0xfe41082c, 0, 32, 8, /* INT2PRI11 */ { 0, 0, 0, 0 } },
624 { 0xfe410830, 0, 32, 8, /* INT2PRI12 */ { 0, 0, 0, 0 } },
625 { 0xfe410834, 0, 32, 8, /* INT2PRI13 */ { 0, 0, 0, 0 } },
626 { 0xfe410838, 0, 32, 8, /* INT2PRI14 */ { 0, 0, 0, PCIeC0_0 } },
627 { 0xfe41083c, 0, 32, 8, /* INT2PRI15 */ { PCIeC0_1, PCIeC0_2,
628 PCIeC1_0, PCIeC1_1 } },
629 { 0xfe410840, 0, 32, 8, /* INT2PRI16 */ { PCIeC1_2, USB, 0, 0 } },
630 { 0xfe410844, 0, 32, 8, /* INT2PRI17 */ { 0, 0, 0, 0 } },
631 { 0xfe410848, 0, 32, 8, /* INT2PRI18 */ { 0, 0, I2C0, I2C1 } },
632 { 0xfe41084c, 0, 32, 8, /* INT2PRI19 */ { DU, SSI0, SSI1, SSI2 } },
633 { 0xfe410850, 0, 32, 8, /* INT2PRI20 */ { SSI3, PCIeC2_0,
634 PCIeC2_1, PCIeC2_2 } },
635 { 0xfe410854, 0, 32, 8, /* INT2PRI21 */ { HAC0, HAC1, FLCTL, 0 } },
636 { 0xfe410858, 0, 32, 8, /* INT2PRI22 */ { HSPI, GPIO0,
637 GPIO1, Thermal } },
638 { 0xfe41085c, 0, 32, 8, /* INT2PRI23 */ { 0, 0, 0, 0 } },
639 { 0xfe410860, 0, 32, 8, /* INT2PRI24 */ { 0, 0, 0, 0 } },
640 { 0xfe410090, 0xfe4100a0, 32, 4, /* CnICIPRI / CnICIPRICLR */
641 { INTICI7, INTICI6, INTICI5, INTICI4,
642 INTICI3, INTICI2, INTICI1, INTICI0 }, INTC_SMP(4, 2) },
643};
644
645static struct intc_subgroup sh7786_subgroups[] __initdata = {
646 { 0xfe410c20, 32, SCIF1,
647 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
648 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, TXI1, BRI1, RXI1, ERI1 } },
649};
650
651static struct intc_desc sh7786_intc_desc __initdata = {
652 .name = "sh7786",
653 .hw = {
654 .vectors = sh7786_vectors,
655 .nr_vectors = ARRAY_SIZE(sh7786_vectors),
656 .mask_regs = sh7786_mask_registers,
657 .nr_mask_regs = ARRAY_SIZE(sh7786_mask_registers),
658 .subgroups = sh7786_subgroups,
659 .nr_subgroups = ARRAY_SIZE(sh7786_subgroups),
660 .prio_regs = sh7786_prio_registers,
661 .nr_prio_regs = ARRAY_SIZE(sh7786_prio_registers),
662 },
663};
664
665/* Support for external interrupt pins in IRQ mode */
666static struct intc_vect vectors_irq0123[] __initdata = {
667 INTC_VECT(IRQ0, 0x200), INTC_VECT(IRQ1, 0x240),
668 INTC_VECT(IRQ2, 0x280), INTC_VECT(IRQ3, 0x2c0),
669};
670
671static struct intc_vect vectors_irq4567[] __initdata = {
672 INTC_VECT(IRQ4, 0x300), INTC_VECT(IRQ5, 0x340),
673 INTC_VECT(IRQ6, 0x380), INTC_VECT(IRQ7, 0x3c0),
674};
675
676static struct intc_sense_reg sh7786_sense_registers[] __initdata = {
677 { 0xfe41001c, 32, 2, /* ICR1 */ { IRQ0, IRQ1, IRQ2, IRQ3,
678 IRQ4, IRQ5, IRQ6, IRQ7 } },
679};
680
681static struct intc_mask_reg sh7786_ack_registers[] __initdata = {
682 { 0xfe410024, 0, 32, /* INTREQ */
683 { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } },
684};
685
686static DECLARE_INTC_DESC_ACK(intc_desc_irq0123, "sh7786-irq0123",
687 vectors_irq0123, NULL, sh7786_mask_registers,
688 sh7786_prio_registers, sh7786_sense_registers,
689 sh7786_ack_registers);
690
691static DECLARE_INTC_DESC_ACK(intc_desc_irq4567, "sh7786-irq4567",
692 vectors_irq4567, NULL, sh7786_mask_registers,
693 sh7786_prio_registers, sh7786_sense_registers,
694 sh7786_ack_registers);
695
696/* External interrupt pins in IRL mode */
697
698static struct intc_vect vectors_irl0123[] __initdata = {
699 INTC_VECT(IRL0_LLLL, 0x200), INTC_VECT(IRL0_LLLH, 0x220),
700 INTC_VECT(IRL0_LLHL, 0x240), INTC_VECT(IRL0_LLHH, 0x260),
701 INTC_VECT(IRL0_LHLL, 0x280), INTC_VECT(IRL0_LHLH, 0x2a0),
702 INTC_VECT(IRL0_LHHL, 0x2c0), INTC_VECT(IRL0_LHHH, 0x2e0),
703 INTC_VECT(IRL0_HLLL, 0x300), INTC_VECT(IRL0_HLLH, 0x320),
704 INTC_VECT(IRL0_HLHL, 0x340), INTC_VECT(IRL0_HLHH, 0x360),
705 INTC_VECT(IRL0_HHLL, 0x380), INTC_VECT(IRL0_HHLH, 0x3a0),
706 INTC_VECT(IRL0_HHHL, 0x3c0),
707};
708
709static struct intc_vect vectors_irl4567[] __initdata = {
710 INTC_VECT(IRL4_LLLL, 0x900), INTC_VECT(IRL4_LLLH, 0x920),
711 INTC_VECT(IRL4_LLHL, 0x940), INTC_VECT(IRL4_LLHH, 0x960),
712 INTC_VECT(IRL4_LHLL, 0x980), INTC_VECT(IRL4_LHLH, 0x9a0),
713 INTC_VECT(IRL4_LHHL, 0x9c0), INTC_VECT(IRL4_LHHH, 0x9e0),
714 INTC_VECT(IRL4_HLLL, 0xa00), INTC_VECT(IRL4_HLLH, 0xa20),
715 INTC_VECT(IRL4_HLHL, 0xa40), INTC_VECT(IRL4_HLHH, 0xa60),
716 INTC_VECT(IRL4_HHLL, 0xa80), INTC_VECT(IRL4_HHLH, 0xaa0),
717 INTC_VECT(IRL4_HHHL, 0xac0),
718};
719
720static DECLARE_INTC_DESC(intc_desc_irl0123, "sh7786-irl0123", vectors_irl0123,
721 NULL, sh7786_mask_registers, NULL, NULL);
722
723static DECLARE_INTC_DESC(intc_desc_irl4567, "sh7786-irl4567", vectors_irl4567,
724 NULL, sh7786_mask_registers, NULL, NULL);
725
726#define INTC_ICR0 0xfe410000
727#define INTC_INTMSK0 CnINTMSK0
728#define INTC_INTMSK1 CnINTMSK1
729#define INTC_INTMSK2 INTMSK2
730#define INTC_INTMSKCLR1 CnINTMSKCLR1
731#define INTC_INTMSKCLR2 INTMSKCLR2
732
733void __init plat_irq_setup(void)
734{
735 /* disable IRQ3-0 + IRQ7-4 */
736 __raw_writel(val: 0xff000000, INTC_INTMSK0);
737
738 /* disable IRL3-0 + IRL7-4 */
739 __raw_writel(val: 0xc0000000, INTC_INTMSK1);
740 __raw_writel(val: 0xfffefffe, INTC_INTMSK2);
741
742 /* select IRL mode for IRL3-0 + IRL7-4 */
743 __raw_writel(__raw_readl(INTC_ICR0) & ~0x00c00000, INTC_ICR0);
744
745 register_intc_controller(desc: &sh7786_intc_desc);
746}
747
748void __init plat_irq_setup_pins(int mode)
749{
750 switch (mode) {
751 case IRQ_MODE_IRQ7654:
752 /* select IRQ mode for IRL7-4 */
753 __raw_writel(__raw_readl(INTC_ICR0) | 0x00400000, INTC_ICR0);
754 register_intc_controller(desc: &intc_desc_irq4567);
755 break;
756 case IRQ_MODE_IRQ3210:
757 /* select IRQ mode for IRL3-0 */
758 __raw_writel(__raw_readl(INTC_ICR0) | 0x00800000, INTC_ICR0);
759 register_intc_controller(desc: &intc_desc_irq0123);
760 break;
761 case IRQ_MODE_IRL7654:
762 /* enable IRL7-4 but don't provide any masking */
763 __raw_writel(val: 0x40000000, INTC_INTMSKCLR1);
764 __raw_writel(val: 0x0000fffe, INTC_INTMSKCLR2);
765 break;
766 case IRQ_MODE_IRL3210:
767 /* enable IRL0-3 but don't provide any masking */
768 __raw_writel(val: 0x80000000, INTC_INTMSKCLR1);
769 __raw_writel(val: 0xfffe0000, INTC_INTMSKCLR2);
770 break;
771 case IRQ_MODE_IRL7654_MASK:
772 /* enable IRL7-4 and mask using cpu intc controller */
773 __raw_writel(val: 0x40000000, INTC_INTMSKCLR1);
774 register_intc_controller(desc: &intc_desc_irl4567);
775 break;
776 case IRQ_MODE_IRL3210_MASK:
777 /* enable IRL0-3 and mask using cpu intc controller */
778 __raw_writel(val: 0x80000000, INTC_INTMSKCLR1);
779 register_intc_controller(desc: &intc_desc_irl0123);
780 break;
781 default:
782 BUG();
783 }
784}
785
786void __init plat_mem_setup(void)
787{
788}
789
790static int __init sh7786_devices_setup(void)
791{
792 int ret, irq;
793
794 sh7786_usb_setup();
795
796 /*
797 * De-mux SCIF1 IRQs if possible
798 */
799 irq = intc_irq_lookup(chipname: sh7786_intc_desc.name, enum_id: TXI1);
800 if (irq > 0) {
801 scif1_demux_resources[1].start =
802 intc_irq_lookup(chipname: sh7786_intc_desc.name, enum_id: ERI1);
803 scif1_demux_resources[2].start =
804 intc_irq_lookup(chipname: sh7786_intc_desc.name, enum_id: RXI1);
805 scif1_demux_resources[3].start = irq;
806 scif1_demux_resources[4].start =
807 intc_irq_lookup(chipname: sh7786_intc_desc.name, enum_id: BRI1);
808
809 scif1_device.resource = scif1_demux_resources;
810 scif1_device.num_resources = ARRAY_SIZE(scif1_demux_resources);
811 }
812
813 ret = platform_add_devices(sh7786_early_devices,
814 ARRAY_SIZE(sh7786_early_devices));
815 if (unlikely(ret != 0))
816 return ret;
817
818 return platform_add_devices(sh7786_devices,
819 ARRAY_SIZE(sh7786_devices));
820}
821arch_initcall(sh7786_devices_setup);
822
823void __init plat_early_device_setup(void)
824{
825 sh_early_platform_add_devices(sh7786_early_devices,
826 ARRAY_SIZE(sh7786_early_devices));
827}
828

source code of linux/arch/sh/kernel/cpu/sh4a/setup-sh7786.c