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torvalds
GitHub Repository: torvalds/linux
Path: blob/master/arch/sh/kernel/cpu/sh4a/setup-sh7786.c
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1
// SPDX-License-Identifier: GPL-2.0
2
/*
3
* SH7786 Setup
4
*
5
* Copyright (C) 2009 - 2011 Renesas Solutions Corp.
6
* Kuninori Morimoto <[email protected]>
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* Paul Mundt <[email protected]>
8
*
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* Based on SH7785 Setup
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*
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* Copyright (C) 2007 Paul Mundt
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*/
13
#include <linux/platform_device.h>
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#include <linux/init.h>
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#include <linux/serial.h>
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#include <linux/serial_sci.h>
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#include <linux/io.h>
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#include <linux/mm.h>
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#include <linux/dma-mapping.h>
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#include <linux/sh_timer.h>
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#include <linux/sh_dma.h>
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#include <linux/sh_intc.h>
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#include <linux/usb/ohci_pdriver.h>
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#include <cpu/dma-register.h>
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#include <asm/mmzone.h>
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#include <asm/platform_early.h>
27
28
static struct plat_sci_port scif0_platform_data = {
29
.scscr = SCSCR_REIE | SCSCR_CKE1,
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.type = PORT_SCIF,
31
.regtype = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
32
};
33
34
static struct resource scif0_resources[] = {
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DEFINE_RES_MEM(0xffea0000, 0x100),
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DEFINE_RES_IRQ(evt2irq(0x700)),
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DEFINE_RES_IRQ(evt2irq(0x720)),
38
DEFINE_RES_IRQ(evt2irq(0x760)),
39
DEFINE_RES_IRQ(evt2irq(0x740)),
40
};
41
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static struct platform_device scif0_device = {
43
.name = "sh-sci",
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.id = 0,
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.resource = scif0_resources,
46
.num_resources = ARRAY_SIZE(scif0_resources),
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.dev = {
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.platform_data = &scif0_platform_data,
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},
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};
51
52
/*
53
* The rest of these all have multiplexed IRQs
54
*/
55
static struct plat_sci_port scif1_platform_data = {
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.scscr = SCSCR_REIE | SCSCR_CKE1,
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.type = PORT_SCIF,
58
.regtype = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
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};
60
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static struct resource scif1_resources[] = {
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DEFINE_RES_MEM(0xffeb0000, 0x100),
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DEFINE_RES_IRQ(evt2irq(0x780)),
64
};
65
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static struct resource scif1_demux_resources[] = {
67
DEFINE_RES_MEM(0xffeb0000, 0x100),
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/* Placeholders, see sh7786_devices_setup() */
69
DEFINE_RES_IRQ(0),
70
DEFINE_RES_IRQ(0),
71
DEFINE_RES_IRQ(0),
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DEFINE_RES_IRQ(0),
73
};
74
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static struct platform_device scif1_device = {
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.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
85
static struct plat_sci_port scif2_platform_data = {
86
.scscr = SCSCR_REIE | SCSCR_CKE1,
87
.type = PORT_SCIF,
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.regtype = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
89
};
90
91
static struct resource scif2_resources[] = {
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DEFINE_RES_MEM(0xffec0000, 0x100),
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DEFINE_RES_IRQ(evt2irq(0x840)),
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};
95
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static struct platform_device scif2_device = {
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.name = "sh-sci",
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.id = 2,
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.resource = scif2_resources,
100
.num_resources = ARRAY_SIZE(scif2_resources),
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.dev = {
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.platform_data = &scif2_platform_data,
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},
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};
105
106
static struct plat_sci_port scif3_platform_data = {
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.scscr = SCSCR_REIE | SCSCR_CKE1,
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.type = PORT_SCIF,
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.regtype = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
110
};
111
112
static struct resource scif3_resources[] = {
113
DEFINE_RES_MEM(0xffed0000, 0x100),
114
DEFINE_RES_IRQ(evt2irq(0x860)),
115
};
116
117
static struct platform_device scif3_device = {
118
.name = "sh-sci",
119
.id = 3,
120
.resource = scif3_resources,
121
.num_resources = ARRAY_SIZE(scif3_resources),
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.dev = {
123
.platform_data = &scif3_platform_data,
124
},
125
};
126
127
static struct plat_sci_port scif4_platform_data = {
128
.scscr = SCSCR_REIE | SCSCR_CKE1,
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.type = PORT_SCIF,
130
.regtype = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
131
};
132
133
static struct resource scif4_resources[] = {
134
DEFINE_RES_MEM(0xffee0000, 0x100),
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DEFINE_RES_IRQ(evt2irq(0x880)),
136
};
137
138
static struct platform_device scif4_device = {
139
.name = "sh-sci",
140
.id = 4,
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.resource = scif4_resources,
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.num_resources = ARRAY_SIZE(scif4_resources),
143
.dev = {
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.platform_data = &scif4_platform_data,
145
},
146
};
147
148
static struct plat_sci_port scif5_platform_data = {
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.scscr = SCSCR_REIE | SCSCR_CKE1,
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.type = PORT_SCIF,
151
.regtype = SCIx_SH4_SCIF_FIFODATA_REGTYPE,
152
};
153
154
static struct resource scif5_resources[] = {
155
DEFINE_RES_MEM(0xffef0000, 0x100),
156
DEFINE_RES_IRQ(evt2irq(0x8a0)),
157
};
158
159
static 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
169
static struct sh_timer_config tmu0_platform_data = {
170
.channels_mask = 7,
171
};
172
173
static 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
180
static struct platform_device tmu0_device = {
181
.name = "sh-tmu",
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.id = 0,
183
.dev = {
184
.platform_data = &tmu0_platform_data,
185
},
186
.resource = tmu0_resources,
187
.num_resources = ARRAY_SIZE(tmu0_resources),
188
};
189
190
static struct sh_timer_config tmu1_platform_data = {
191
.channels_mask = 7,
192
};
193
194
static 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
201
static 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
211
static struct sh_timer_config tmu2_platform_data = {
212
.channels_mask = 7,
213
};
214
215
static struct resource tmu2_resources[] = {
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DEFINE_RES_MEM(0xffdc0000, 0x2c),
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DEFINE_RES_IRQ(evt2irq(0x7a0)),
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DEFINE_RES_IRQ(evt2irq(0x7a0)),
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DEFINE_RES_IRQ(evt2irq(0x7a0)),
220
};
221
222
static struct platform_device tmu2_device = {
223
.name = "sh-tmu",
224
.id = 2,
225
.dev = {
226
.platform_data = &tmu2_platform_data,
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},
228
.resource = tmu2_resources,
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.num_resources = ARRAY_SIZE(tmu2_resources),
230
};
231
232
static struct sh_timer_config tmu3_platform_data = {
233
.channels_mask = 7,
234
};
235
236
static 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
243
static 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
253
static const struct sh_dmae_channel dmac0_channels[] = {
254
{
255
.offset = 0,
256
.dmars = 0,
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.dmars_bit = 0,
258
}, {
259
.offset = 0x10,
260
.dmars = 0,
261
.dmars_bit = 8,
262
}, {
263
.offset = 0x20,
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.dmars = 4,
265
.dmars_bit = 0,
266
}, {
267
.offset = 0x30,
268
.dmars = 4,
269
.dmars_bit = 8,
270
}, {
271
.offset = 0x50,
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.dmars = 8,
273
.dmars_bit = 0,
274
}, {
275
.offset = 0x60,
276
.dmars = 8,
277
.dmars_bit = 8,
278
}
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};
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static const unsigned int ts_shift[] = TS_SHIFT;
282
283
static 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! */
296
static 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,
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},
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};
319
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static 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
333
static 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
346
static 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
357
static 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
370
static struct usb_ohci_pdata usb_ohci_pdata;
371
372
static 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
384
static 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
397
static 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
415
static 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
445
enum {
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
491
static 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
557
static 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
601
static 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
645
static 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
651
static 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 */
666
static 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
671
static 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
676
static struct intc_sense_reg sh7786_sense_registers[] __initdata = {
677
{ 0xfe41001c, 32, 2, /* ICR1 */ { IRQ0, IRQ1, IRQ2, IRQ3,
678
IRQ4, IRQ5, IRQ6, IRQ7 } },
679
};
680
681
static struct intc_mask_reg sh7786_ack_registers[] __initdata = {
682
{ 0xfe410024, 0, 32, /* INTREQ */
683
{ IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } },
684
};
685
686
static 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
691
static 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
698
static 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
709
static 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
720
static DECLARE_INTC_DESC(intc_desc_irl0123, "sh7786-irl0123", vectors_irl0123,
721
NULL, sh7786_mask_registers, NULL, NULL);
722
723
static 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
733
void __init plat_irq_setup(void)
734
{
735
/* disable IRQ3-0 + IRQ7-4 */
736
__raw_writel(0xff000000, INTC_INTMSK0);
737
738
/* disable IRL3-0 + IRL7-4 */
739
__raw_writel(0xc0000000, INTC_INTMSK1);
740
__raw_writel(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(&sh7786_intc_desc);
746
}
747
748
void __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(&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(&intc_desc_irq0123);
760
break;
761
case IRQ_MODE_IRL7654:
762
/* enable IRL7-4 but don't provide any masking */
763
__raw_writel(0x40000000, INTC_INTMSKCLR1);
764
__raw_writel(0x0000fffe, INTC_INTMSKCLR2);
765
break;
766
case IRQ_MODE_IRL3210:
767
/* enable IRL0-3 but don't provide any masking */
768
__raw_writel(0x80000000, INTC_INTMSKCLR1);
769
__raw_writel(0xfffe0000, INTC_INTMSKCLR2);
770
break;
771
case IRQ_MODE_IRL7654_MASK:
772
/* enable IRL7-4 and mask using cpu intc controller */
773
__raw_writel(0x40000000, INTC_INTMSKCLR1);
774
register_intc_controller(&intc_desc_irl4567);
775
break;
776
case IRQ_MODE_IRL3210_MASK:
777
/* enable IRL0-3 and mask using cpu intc controller */
778
__raw_writel(0x80000000, INTC_INTMSKCLR1);
779
register_intc_controller(&intc_desc_irl0123);
780
break;
781
default:
782
BUG();
783
}
784
}
785
786
void __init plat_mem_setup(void)
787
{
788
}
789
790
static 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(sh7786_intc_desc.name, TXI1);
800
if (irq > 0) {
801
scif1_demux_resources[1].start =
802
intc_irq_lookup(sh7786_intc_desc.name, ERI1);
803
scif1_demux_resources[2].start =
804
intc_irq_lookup(sh7786_intc_desc.name, RXI1);
805
scif1_demux_resources[3].start = irq;
806
scif1_demux_resources[4].start =
807
intc_irq_lookup(sh7786_intc_desc.name, 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
}
821
arch_initcall(sh7786_devices_setup);
822
823
void __init plat_early_device_setup(void)
824
{
825
sh_early_platform_add_devices(sh7786_early_devices,
826
ARRAY_SIZE(sh7786_early_devices));
827
}
828
829