summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-shmobile/setup-r8a7779.c
blob: 9c79182d056819d6057cd5f9f6d06284e4fab220 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
/*
 * r8a7779 processor support
 *
 * Copyright (C) 2011, 2013  Renesas Solutions Corp.
 * Copyright (C) 2011  Magnus Damm
 * Copyright (C) 2013  Cogent Embedded, Inc.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; version 2 of the License.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/irqchip.h>
#include <linux/irqchip/arm-gic.h>
#include <linux/of_platform.h>
#include <linux/platform_data/dma-rcar-hpbdma.h>
#include <linux/platform_data/gpio-rcar.h>
#include <linux/platform_data/irq-renesas-intc-irqpin.h>
#include <linux/platform_device.h>
#include <linux/delay.h>
#include <linux/input.h>
#include <linux/io.h>
#include <linux/serial_sci.h>
#include <linux/sh_timer.h>
#include <linux/dma-mapping.h>
#include <linux/usb/otg.h>
#include <linux/usb/hcd.h>
#include <linux/usb/ehci_pdriver.h>
#include <linux/usb/ohci_pdriver.h>
#include <linux/pm_runtime.h>
#include <mach/irqs.h>
#include <mach/r8a7779.h>
#include <mach/common.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/time.h>
#include <asm/mach/map.h>
#include <asm/hardware/cache-l2x0.h>

static struct map_desc r8a7779_io_desc[] __initdata = {
	/* 2M entity map for 0xf0000000 (MPCORE) */
	{
		.virtual	= 0xf0000000,
		.pfn		= __phys_to_pfn(0xf0000000),
		.length		= SZ_2M,
		.type		= MT_DEVICE_NONSHARED
	},
	/* 16M entity map for 0xfexxxxxx (DMAC-S/HPBREG/INTC2/LRAM/DBSC) */
	{
		.virtual	= 0xfe000000,
		.pfn		= __phys_to_pfn(0xfe000000),
		.length		= SZ_16M,
		.type		= MT_DEVICE_NONSHARED
	},
};

void __init r8a7779_map_io(void)
{
	iotable_init(r8a7779_io_desc, ARRAY_SIZE(r8a7779_io_desc));
}

/* IRQ */
#define INT2SMSKCR0 IOMEM(0xfe7822a0)
#define INT2SMSKCR1 IOMEM(0xfe7822a4)
#define INT2SMSKCR2 IOMEM(0xfe7822a8)
#define INT2SMSKCR3 IOMEM(0xfe7822ac)
#define INT2SMSKCR4 IOMEM(0xfe7822b0)

#define INT2NTSR0 IOMEM(0xfe700060)
#define INT2NTSR1 IOMEM(0xfe700064)

static struct renesas_intc_irqpin_config irqpin0_platform_data __initdata = {
	.irq_base = irq_pin(0), /* IRQ0 -> IRQ3 */
	.sense_bitfield_width = 2,
};

static struct resource irqpin0_resources[] __initdata = {
	DEFINE_RES_MEM(0xfe78001c, 4), /* ICR1 */
	DEFINE_RES_MEM(0xfe780010, 4), /* INTPRI */
	DEFINE_RES_MEM(0xfe780024, 4), /* INTREQ */
	DEFINE_RES_MEM(0xfe780044, 4), /* INTMSK0 */
	DEFINE_RES_MEM(0xfe780064, 4), /* INTMSKCLR0 */
	DEFINE_RES_IRQ(gic_spi(27)), /* IRQ0 */
	DEFINE_RES_IRQ(gic_spi(28)), /* IRQ1 */
	DEFINE_RES_IRQ(gic_spi(29)), /* IRQ2 */
	DEFINE_RES_IRQ(gic_spi(30)), /* IRQ3 */
};

void __init r8a7779_init_irq_extpin_dt(int irlm)
{
	void __iomem *icr0 = ioremap_nocache(0xfe780000, PAGE_SIZE);
	u32 tmp;

	if (!icr0) {
		pr_warn("r8a7779: unable to setup external irq pin mode\n");
		return;
	}

	tmp = ioread32(icr0);
	if (irlm)
		tmp |= 1 << 23; /* IRQ0 -> IRQ3 as individual pins */
	else
		tmp &= ~(1 << 23); /* IRL mode - not supported */
	tmp |= (1 << 21); /* LVLMODE = 1 */
	iowrite32(tmp, icr0);
	iounmap(icr0);
}

void __init r8a7779_init_irq_extpin(int irlm)
{
	r8a7779_init_irq_extpin_dt(irlm);
	if (irlm)
		platform_device_register_resndata(
			NULL, "renesas_intc_irqpin", -1,
			irqpin0_resources, ARRAY_SIZE(irqpin0_resources),
			&irqpin0_platform_data, sizeof(irqpin0_platform_data));
}

/* PFC/GPIO */
static struct resource r8a7779_pfc_resources[] = {
	DEFINE_RES_MEM(0xfffc0000, 0x023c),
};

static struct platform_device r8a7779_pfc_device = {
	.name		= "pfc-r8a7779",
	.id		= -1,
	.resource	= r8a7779_pfc_resources,
	.num_resources	= ARRAY_SIZE(r8a7779_pfc_resources),
};

#define R8A7779_GPIO(idx, npins) \
static struct resource r8a7779_gpio##idx##_resources[] = {		\
	DEFINE_RES_MEM(0xffc40000 + (0x1000 * (idx)), 0x002c),		\
	DEFINE_RES_IRQ(gic_iid(0xad + (idx))),				\
};									\
									\
static struct gpio_rcar_config r8a7779_gpio##idx##_platform_data = {	\
	.gpio_base	= 32 * (idx),					\
	.irq_base	= 0,						\
	.number_of_pins	= npins,					\
	.pctl_name	= "pfc-r8a7779",				\
};									\
									\
static struct platform_device r8a7779_gpio##idx##_device = {		\
	.name		= "gpio_rcar",					\
	.id		= idx,						\
	.resource	= r8a7779_gpio##idx##_resources,		\
	.num_resources	= ARRAY_SIZE(r8a7779_gpio##idx##_resources),	\
	.dev		= {						\
		.platform_data	= &r8a7779_gpio##idx##_platform_data,	\
	},								\
}

R8A7779_GPIO(0, 32);
R8A7779_GPIO(1, 32);
R8A7779_GPIO(2, 32);
R8A7779_GPIO(3, 32);
R8A7779_GPIO(4, 32);
R8A7779_GPIO(5, 32);
R8A7779_GPIO(6, 9);

static struct platform_device *r8a7779_pinctrl_devices[] __initdata = {
	&r8a7779_pfc_device,
	&r8a7779_gpio0_device,
	&r8a7779_gpio1_device,
	&r8a7779_gpio2_device,
	&r8a7779_gpio3_device,
	&r8a7779_gpio4_device,
	&r8a7779_gpio5_device,
	&r8a7779_gpio6_device,
};

void __init r8a7779_pinmux_init(void)
{
	platform_add_devices(r8a7779_pinctrl_devices,
			    ARRAY_SIZE(r8a7779_pinctrl_devices));
}

/* SCIF */
#define R8A7779_SCIF(index, baseaddr, irq)			\
static struct plat_sci_port scif##index##_platform_data = {	\
	.type		= PORT_SCIF,				\
	.flags		= UPF_BOOT_AUTOCONF | UPF_IOREMAP,	\
	.scscr		= SCSCR_RE | SCSCR_TE | SCSCR_CKE1,	\
};								\
								\
static struct resource scif##index##_resources[] = {		\
	DEFINE_RES_MEM(baseaddr, 0x100),			\
	DEFINE_RES_IRQ(irq),					\
};								\
								\
static struct platform_device scif##index##_device = {		\
	.name		= "sh-sci",				\
	.id		= index,				\
	.resource	= scif##index##_resources,		\
	.num_resources	= ARRAY_SIZE(scif##index##_resources),	\
	.dev		= {					\
		.platform_data	= &scif##index##_platform_data,	\
	},							\
}

R8A7779_SCIF(0, 0xffe40000, gic_iid(0x78));
R8A7779_SCIF(1, 0xffe41000, gic_iid(0x79));
R8A7779_SCIF(2, 0xffe42000, gic_iid(0x7a));
R8A7779_SCIF(3, 0xffe43000, gic_iid(0x7b));
R8A7779_SCIF(4, 0xffe44000, gic_iid(0x7c));
R8A7779_SCIF(5, 0xffe45000, gic_iid(0x7d));

/* TMU */
static struct sh_timer_config tmu0_platform_data = {
	.channels_mask = 7,
};

static struct resource tmu0_resources[] = {
	DEFINE_RES_MEM(0xffd80000, 0x30),
	DEFINE_RES_IRQ(gic_iid(0x40)),
	DEFINE_RES_IRQ(gic_iid(0x41)),
	DEFINE_RES_IRQ(gic_iid(0x42)),
};

static struct platform_device tmu0_device = {
	.name		= "sh-tmu",
	.id		= 0,
	.dev = {
		.platform_data	= &tmu0_platform_data,
	},
	.resource	= tmu0_resources,
	.num_resources	= ARRAY_SIZE(tmu0_resources),
};

/* I2C */
static struct resource rcar_i2c0_res[] = {
	{
		.start  = 0xffc70000,
		.end    = 0xffc70fff,
		.flags  = IORESOURCE_MEM,
	}, {
		.start  = gic_iid(0x6f),
		.flags  = IORESOURCE_IRQ,
	},
};

static struct platform_device i2c0_device = {
	.name		= "i2c-rcar",
	.id		= 0,
	.resource	= rcar_i2c0_res,
	.num_resources	= ARRAY_SIZE(rcar_i2c0_res),
};

static struct resource rcar_i2c1_res[] = {
	{
		.start  = 0xffc71000,
		.end    = 0xffc71fff,
		.flags  = IORESOURCE_MEM,
	}, {
		.start  = gic_iid(0x72),
		.flags  = IORESOURCE_IRQ,
	},
};

static struct platform_device i2c1_device = {
	.name		= "i2c-rcar",
	.id		= 1,
	.resource	= rcar_i2c1_res,
	.num_resources	= ARRAY_SIZE(rcar_i2c1_res),
};

static struct resource rcar_i2c2_res[] = {
	{
		.start  = 0xffc72000,
		.end    = 0xffc72fff,
		.flags  = IORESOURCE_MEM,
	}, {
		.start  = gic_iid(0x70),
		.flags  = IORESOURCE_IRQ,
	},
};

static struct platform_device i2c2_device = {
	.name		= "i2c-rcar",
	.id		= 2,
	.resource	= rcar_i2c2_res,
	.num_resources	= ARRAY_SIZE(rcar_i2c2_res),
};

static struct resource rcar_i2c3_res[] = {
	{
		.start  = 0xffc73000,
		.end    = 0xffc73fff,
		.flags  = IORESOURCE_MEM,
	}, {
		.start  = gic_iid(0x71),
		.flags  = IORESOURCE_IRQ,
	},
};

static struct platform_device i2c3_device = {
	.name		= "i2c-rcar",
	.id		= 3,
	.resource	= rcar_i2c3_res,
	.num_resources	= ARRAY_SIZE(rcar_i2c3_res),
};

static struct resource sata_resources[] = {
	[0] = {
		.name	= "rcar-sata",
		.start	= 0xfc600000,
		.end	= 0xfc601fff,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		.start	= gic_iid(0x84),
		.flags	= IORESOURCE_IRQ,
	},
};

static struct platform_device sata_device = {
	.name		= "sata_rcar",
	.id		= -1,
	.resource	= sata_resources,
	.num_resources	= ARRAY_SIZE(sata_resources),
	.dev		= {
		.dma_mask		= &sata_device.dev.coherent_dma_mask,
		.coherent_dma_mask	= DMA_BIT_MASK(32),
	},
};

/* USB */
static struct usb_phy *phy;

static int usb_power_on(struct platform_device *pdev)
{
	if (IS_ERR(phy))
		return PTR_ERR(phy);

	pm_runtime_enable(&pdev->dev);
	pm_runtime_get_sync(&pdev->dev);

	usb_phy_init(phy);

	return 0;
}

static void usb_power_off(struct platform_device *pdev)
{
	if (IS_ERR(phy))
		return;

	usb_phy_shutdown(phy);

	pm_runtime_put_sync(&pdev->dev);
	pm_runtime_disable(&pdev->dev);
}

static int ehci_init_internal_buffer(struct usb_hcd *hcd)
{
	/*
	 * Below are recommended values from the datasheet;
	 * see [USB :: Setting of EHCI Internal Buffer].
	 */
	/* EHCI IP internal buffer setting */
	iowrite32(0x00ff0040, hcd->regs + 0x0094);
	/* EHCI IP internal buffer enable */
	iowrite32(0x00000001, hcd->regs + 0x009C);

	return 0;
}

static struct usb_ehci_pdata ehcix_pdata = {
	.power_on	= usb_power_on,
	.power_off	= usb_power_off,
	.power_suspend	= usb_power_off,
	.pre_setup	= ehci_init_internal_buffer,
};

static struct resource ehci0_resources[] = {
	[0] = {
		.start	= 0xffe70000,
		.end	= 0xffe70400 - 1,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		.start	= gic_iid(0x4c),
		.flags	= IORESOURCE_IRQ,
	},
};

static struct platform_device ehci0_device = {
	.name	= "ehci-platform",
	.id	= 0,
	.dev	= {
		.dma_mask		= &ehci0_device.dev.coherent_dma_mask,
		.coherent_dma_mask	= 0xffffffff,
		.platform_data		= &ehcix_pdata,
	},
	.num_resources	= ARRAY_SIZE(ehci0_resources),
	.resource	= ehci0_resources,
};

static struct resource ehci1_resources[] = {
	[0] = {
		.start	= 0xfff70000,
		.end	= 0xfff70400 - 1,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		.start	= gic_iid(0x4d),
		.flags	= IORESOURCE_IRQ,
	},
};

static struct platform_device ehci1_device = {
	.name	= "ehci-platform",
	.id	= 1,
	.dev	= {
		.dma_mask		= &ehci1_device.dev.coherent_dma_mask,
		.coherent_dma_mask	= 0xffffffff,
		.platform_data		= &ehcix_pdata,
	},
	.num_resources	= ARRAY_SIZE(ehci1_resources),
	.resource	= ehci1_resources,
};

static struct usb_ohci_pdata ohcix_pdata = {
	.power_on	= usb_power_on,
	.power_off	= usb_power_off,
	.power_suspend	= usb_power_off,
};

static struct resource ohci0_resources[] = {
	[0] = {
		.start	= 0xffe70400,
		.end	= 0xffe70800 - 1,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		.start	= gic_iid(0x4c),
		.flags	= IORESOURCE_IRQ,
	},
};

static struct platform_device ohci0_device = {
	.name	= "ohci-platform",
	.id	= 0,
	.dev	= {
		.dma_mask		= &ohci0_device.dev.coherent_dma_mask,
		.coherent_dma_mask	= 0xffffffff,
		.platform_data		= &ohcix_pdata,
	},
	.num_resources	= ARRAY_SIZE(ohci0_resources),
	.resource	= ohci0_resources,
};

static struct resource ohci1_resources[] = {
	[0] = {
		.start	= 0xfff70400,
		.end	= 0xfff70800 - 1,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		.start	= gic_iid(0x4d),
		.flags	= IORESOURCE_IRQ,
	},
};

static struct platform_device ohci1_device = {
	.name	= "ohci-platform",
	.id	= 1,
	.dev	= {
		.dma_mask		= &ohci1_device.dev.coherent_dma_mask,
		.coherent_dma_mask	= 0xffffffff,
		.platform_data		= &ohcix_pdata,
	},
	.num_resources	= ARRAY_SIZE(ohci1_resources),
	.resource	= ohci1_resources,
};

/* HPB-DMA */

/* Asynchronous mode register bits */
#define HPB_DMAE_ASYNCMDR_ASMD43_MASK		BIT(23)	/* MMC1 */
#define HPB_DMAE_ASYNCMDR_ASMD43_SINGLE		BIT(23)	/* MMC1 */
#define HPB_DMAE_ASYNCMDR_ASMD43_MULTI		0	/* MMC1 */
#define HPB_DMAE_ASYNCMDR_ASBTMD43_MASK		BIT(22)	/* MMC1 */
#define HPB_DMAE_ASYNCMDR_ASBTMD43_BURST	BIT(22)	/* MMC1 */
#define HPB_DMAE_ASYNCMDR_ASBTMD43_NBURST	0	/* MMC1 */
#define HPB_DMAE_ASYNCMDR_ASMD24_MASK		BIT(21)	/* MMC0 */
#define HPB_DMAE_ASYNCMDR_ASMD24_SINGLE		BIT(21)	/* MMC0 */
#define HPB_DMAE_ASYNCMDR_ASMD24_MULTI		0	/* MMC0 */
#define HPB_DMAE_ASYNCMDR_ASBTMD24_MASK		BIT(20)	/* MMC0 */
#define HPB_DMAE_ASYNCMDR_ASBTMD24_BURST	BIT(20)	/* MMC0 */
#define HPB_DMAE_ASYNCMDR_ASBTMD24_NBURST	0	/* MMC0 */
#define HPB_DMAE_ASYNCMDR_ASMD41_MASK		BIT(19)	/* SDHI3 */
#define HPB_DMAE_ASYNCMDR_ASMD41_SINGLE		BIT(19)	/* SDHI3 */
#define HPB_DMAE_ASYNCMDR_ASMD41_MULTI		0	/* SDHI3 */
#define HPB_DMAE_ASYNCMDR_ASBTMD41_MASK		BIT(18)	/* SDHI3 */
#define HPB_DMAE_ASYNCMDR_ASBTMD41_BURST	BIT(18)	/* SDHI3 */
#define HPB_DMAE_ASYNCMDR_ASBTMD41_NBURST	0	/* SDHI3 */
#define HPB_DMAE_ASYNCMDR_ASMD40_MASK		BIT(17)	/* SDHI3 */
#define HPB_DMAE_ASYNCMDR_ASMD40_SINGLE		BIT(17)	/* SDHI3 */
#define HPB_DMAE_ASYNCMDR_ASMD40_MULTI		0	/* SDHI3 */
#define HPB_DMAE_ASYNCMDR_ASBTMD40_MASK		BIT(16)	/* SDHI3 */
#define HPB_DMAE_ASYNCMDR_ASBTMD40_BURST	BIT(16)	/* SDHI3 */
#define HPB_DMAE_ASYNCMDR_ASBTMD40_NBURST	0	/* SDHI3 */
#define HPB_DMAE_ASYNCMDR_ASMD39_MASK		BIT(15)	/* SDHI3 */
#define HPB_DMAE_ASYNCMDR_ASMD39_SINGLE		BIT(15)	/* SDHI3 */
#define HPB_DMAE_ASYNCMDR_ASMD39_MULTI		0	/* SDHI3 */
#define HPB_DMAE_ASYNCMDR_ASBTMD39_MASK		BIT(14)	/* SDHI3 */
#define HPB_DMAE_ASYNCMDR_ASBTMD39_BURST	BIT(14)	/* SDHI3 */
#define HPB_DMAE_ASYNCMDR_ASBTMD39_NBURST	0	/* SDHI3 */
#define HPB_DMAE_ASYNCMDR_ASMD27_MASK		BIT(13)	/* SDHI2 */
#define HPB_DMAE_ASYNCMDR_ASMD27_SINGLE		BIT(13)	/* SDHI2 */
#define HPB_DMAE_ASYNCMDR_ASMD27_MULTI		0	/* SDHI2 */
#define HPB_DMAE_ASYNCMDR_ASBTMD27_MASK		BIT(12)	/* SDHI2 */
#define HPB_DMAE_ASYNCMDR_ASBTMD27_BURST	BIT(12)	/* SDHI2 */
#define HPB_DMAE_ASYNCMDR_ASBTMD27_NBURST	0	/* SDHI2 */
#define HPB_DMAE_ASYNCMDR_ASMD26_MASK		BIT(11)	/* SDHI2 */
#define HPB_DMAE_ASYNCMDR_ASMD26_SINGLE		BIT(11)	/* SDHI2 */
#define HPB_DMAE_ASYNCMDR_ASMD26_MULTI		0	/* SDHI2 */
#define HPB_DMAE_ASYNCMDR_ASBTMD26_MASK		BIT(10)	/* SDHI2 */
#define HPB_DMAE_ASYNCMDR_ASBTMD26_BURST	BIT(10)	/* SDHI2 */
#define HPB_DMAE_ASYNCMDR_ASBTMD26_NBURST	0	/* SDHI2 */
#define HPB_DMAE_ASYNCMDR_ASMD25_MASK		BIT(9)	/* SDHI2 */
#define HPB_DMAE_ASYNCMDR_ASMD25_SINGLE		BIT(9)	/* SDHI2 */
#define HPB_DMAE_ASYNCMDR_ASMD25_MULTI		0	/* SDHI2 */
#define HPB_DMAE_ASYNCMDR_ASBTMD25_MASK		BIT(8)	/* SDHI2 */
#define HPB_DMAE_ASYNCMDR_ASBTMD25_BURST	BIT(8)	/* SDHI2 */
#define HPB_DMAE_ASYNCMDR_ASBTMD25_NBURST	0	/* SDHI2 */
#define HPB_DMAE_ASYNCMDR_ASMD23_MASK		BIT(7)	/* SDHI0 */
#define HPB_DMAE_ASYNCMDR_ASMD23_SINGLE		BIT(7)	/* SDHI0 */
#define HPB_DMAE_ASYNCMDR_ASMD23_MULTI		0	/* SDHI0 */
#define HPB_DMAE_ASYNCMDR_ASBTMD23_MASK		BIT(6)	/* SDHI0 */
#define HPB_DMAE_ASYNCMDR_ASBTMD23_BURST	BIT(6)	/* SDHI0 */
#define HPB_DMAE_ASYNCMDR_ASBTMD23_NBURST	0	/* SDHI0 */
#define HPB_DMAE_ASYNCMDR_ASMD22_MASK		BIT(5)	/* SDHI0 */
#define HPB_DMAE_ASYNCMDR_ASMD22_SINGLE		BIT(5)	/* SDHI0 */
#define HPB_DMAE_ASYNCMDR_ASMD22_MULTI		0	/* SDHI0 */
#define HPB_DMAE_ASYNCMDR_ASBTMD22_MASK		BIT(4)	/* SDHI0 */
#define HPB_DMAE_ASYNCMDR_ASBTMD22_BURST	BIT(4)	/* SDHI0 */
#define HPB_DMAE_ASYNCMDR_ASBTMD22_NBURST	0	/* SDHI0 */
#define HPB_DMAE_ASYNCMDR_ASMD21_MASK		BIT(3)	/* SDHI0 */
#define HPB_DMAE_ASYNCMDR_ASMD21_SINGLE		BIT(3)	/* SDHI0 */
#define HPB_DMAE_ASYNCMDR_ASMD21_MULTI		0	/* SDHI0 */
#define HPB_DMAE_ASYNCMDR_ASBTMD21_MASK		BIT(2)	/* SDHI0 */
#define HPB_DMAE_ASYNCMDR_ASBTMD21_BURST	BIT(2)	/* SDHI0 */
#define HPB_DMAE_ASYNCMDR_ASBTMD21_NBURST	0	/* SDHI0 */
#define HPB_DMAE_ASYNCMDR_ASMD20_MASK		BIT(1)	/* SDHI1 */
#define HPB_DMAE_ASYNCMDR_ASMD20_SINGLE		BIT(1)	/* SDHI1 */
#define HPB_DMAE_ASYNCMDR_ASMD20_MULTI		0	/* SDHI1 */
#define HPB_DMAE_ASYNCMDR_ASBTMD20_MASK		BIT(0)	/* SDHI1 */
#define HPB_DMAE_ASYNCMDR_ASBTMD20_BURST	BIT(0)	/* SDHI1 */
#define HPB_DMAE_ASYNCMDR_ASBTMD20_NBURST	0	/* SDHI1 */

static const struct hpb_dmae_slave_config hpb_dmae_slaves[] = {
	{
		.id	= HPBDMA_SLAVE_SDHI0_TX,
		.addr	= 0xffe4c000 + 0x30,
		.dcr	= HPB_DMAE_DCR_SPDS_16BIT |
			  HPB_DMAE_DCR_DMDL |
			  HPB_DMAE_DCR_DPDS_16BIT,
		.rstr	= HPB_DMAE_ASYNCRSTR_ASRST21 |
			  HPB_DMAE_ASYNCRSTR_ASRST22 |
			  HPB_DMAE_ASYNCRSTR_ASRST23,
		.mdr	= HPB_DMAE_ASYNCMDR_ASMD21_SINGLE |
			  HPB_DMAE_ASYNCMDR_ASBTMD21_NBURST,
		.mdm	= HPB_DMAE_ASYNCMDR_ASMD21_MASK |
			  HPB_DMAE_ASYNCMDR_ASBTMD21_MASK,
		.port	= 0x0D0C,
		.flags	= HPB_DMAE_SET_ASYNC_RESET | HPB_DMAE_SET_ASYNC_MODE,
		.dma_ch	= 21,
	}, {
		.id	= HPBDMA_SLAVE_SDHI0_RX,
		.addr	= 0xffe4c000 + 0x30,
		.dcr	= HPB_DMAE_DCR_SMDL |
			  HPB_DMAE_DCR_SPDS_16BIT |
			  HPB_DMAE_DCR_DPDS_16BIT,
		.rstr	= HPB_DMAE_ASYNCRSTR_ASRST21 |
			  HPB_DMAE_ASYNCRSTR_ASRST22 |
			  HPB_DMAE_ASYNCRSTR_ASRST23,
		.mdr	= HPB_DMAE_ASYNCMDR_ASMD22_SINGLE |
			  HPB_DMAE_ASYNCMDR_ASBTMD22_NBURST,
		.mdm	= HPB_DMAE_ASYNCMDR_ASMD22_MASK |
			  HPB_DMAE_ASYNCMDR_ASBTMD22_MASK,
		.port	= 0x0D0C,
		.flags	= HPB_DMAE_SET_ASYNC_RESET | HPB_DMAE_SET_ASYNC_MODE,
		.dma_ch	= 22,
	},
};

static const struct hpb_dmae_channel hpb_dmae_channels[] = {
	HPB_DMAE_CHANNEL(0x93, HPBDMA_SLAVE_SDHI0_TX), /* ch. 21 */
	HPB_DMAE_CHANNEL(0x93, HPBDMA_SLAVE_SDHI0_RX), /* ch. 22 */
};

static struct hpb_dmae_pdata dma_platform_data __initdata = {
	.slaves			= hpb_dmae_slaves,
	.num_slaves		= ARRAY_SIZE(hpb_dmae_slaves),
	.channels		= hpb_dmae_channels,
	.num_channels		= ARRAY_SIZE(hpb_dmae_channels),
	.ts_shift		= {
		[XMIT_SZ_8BIT]	= 0,
		[XMIT_SZ_16BIT]	= 1,
		[XMIT_SZ_32BIT]	= 2,
	},
	.num_hw_channels	= 44,
};

static struct resource hpb_dmae_resources[] __initdata = {
	/* Channel registers */
	DEFINE_RES_MEM(0xffc08000, 0x1000),
	/* Common registers */
	DEFINE_RES_MEM(0xffc09000, 0x170),
	/* Asynchronous reset registers */
	DEFINE_RES_MEM(0xffc00300, 4),
	/* Asynchronous mode registers */
	DEFINE_RES_MEM(0xffc00400, 4),
	/* IRQ for DMA channels */
	DEFINE_RES_NAMED(gic_iid(0x8e), 12, NULL, IORESOURCE_IRQ),
};

static void __init r8a7779_register_hpb_dmae(void)
{
	platform_device_register_resndata(NULL, "hpb-dma-engine",
					  -1, hpb_dmae_resources,
					  ARRAY_SIZE(hpb_dmae_resources),
					  &dma_platform_data,
					  sizeof(dma_platform_data));
}

static struct platform_device *r8a7779_devices_dt[] __initdata = {
	&scif0_device,
	&scif1_device,
	&scif2_device,
	&scif3_device,
	&scif4_device,
	&scif5_device,
	&tmu0_device,
};

static struct platform_device *r8a7779_standard_devices[] __initdata = {
	&i2c0_device,
	&i2c1_device,
	&i2c2_device,
	&i2c3_device,
	&sata_device,
};

void __init r8a7779_add_standard_devices(void)
{
#ifdef CONFIG_CACHE_L2X0
	/* Shared attribute override enable, 64K*16way */
	l2x0_init(IOMEM(0xf0100000), 0x00400000, 0xc20f0fff);
#endif
	r8a7779_pm_init();

	r8a7779_init_pm_domains();

	platform_add_devices(r8a7779_devices_dt,
			    ARRAY_SIZE(r8a7779_devices_dt));
	platform_add_devices(r8a7779_standard_devices,
			    ARRAY_SIZE(r8a7779_standard_devices));
	r8a7779_register_hpb_dmae();
}

/* do nothing for !CONFIG_SMP or !CONFIG_HAVE_TWD */
void __init __weak r8a7779_register_twd(void) { }

void __init r8a7779_earlytimer_init(void)
{
	r8a7779_clock_init();
	r8a7779_register_twd();
	shmobile_earlytimer_init();
}

void __init r8a7779_add_early_devices(void)
{
	early_platform_add_devices(r8a7779_devices_dt,
				   ARRAY_SIZE(r8a7779_devices_dt));

	/* Early serial console setup is not included here due to
	 * memory map collisions. The SCIF serial ports in r8a7779
	 * are difficult to entity map 1:1 due to collision with the
	 * virtual memory range used by the coherent DMA code on ARM.
	 *
	 * Anyone wanting to debug early can remove UPF_IOREMAP from
	 * the sh-sci serial console platform data, adjust mapbase
	 * to a static M:N virt:phys mapping that needs to be added to
	 * the mappings passed with iotable_init() above.
	 *
	 * Then add a call to shmobile_setup_console() from this function.
	 *
	 * As a final step pass earlyprint=sh-sci.2,115200 on the kernel
	 * command line in case of the marzen board.
	 */
}

static struct platform_device *r8a7779_late_devices[] __initdata = {
	&ehci0_device,
	&ehci1_device,
	&ohci0_device,
	&ohci1_device,
};

void __init r8a7779_init_late(void)
{
	/* get USB PHY */
	phy = usb_get_phy(USB_PHY_TYPE_USB2);

	shmobile_init_late();
	platform_add_devices(r8a7779_late_devices,
			     ARRAY_SIZE(r8a7779_late_devices));
}

#ifdef CONFIG_USE_OF
static int r8a7779_set_wake(struct irq_data *data, unsigned int on)
{
	return 0; /* always allow wakeup */
}

void __init r8a7779_init_irq_dt(void)
{
	gic_arch_extn.irq_set_wake = r8a7779_set_wake;

	irqchip_init();

	/* route all interrupts to ARM */
	__raw_writel(0xffffffff, INT2NTSR0);
	__raw_writel(0x3fffffff, INT2NTSR1);

	/* unmask all known interrupts in INTCS2 */
	__raw_writel(0xfffffff0, INT2SMSKCR0);
	__raw_writel(0xfff7ffff, INT2SMSKCR1);
	__raw_writel(0xfffbffdf, INT2SMSKCR2);
	__raw_writel(0xbffffffc, INT2SMSKCR3);
	__raw_writel(0x003fee3f, INT2SMSKCR4);
}

void __init r8a7779_init_delay(void)
{
	shmobile_setup_delay(1000, 2, 4); /* Cortex-A9 @ 1000MHz */
}

void __init r8a7779_add_standard_devices_dt(void)
{
	/* clocks are setup late during boot in the case of DT */
	r8a7779_clock_init();

	platform_add_devices(r8a7779_devices_dt,
			     ARRAY_SIZE(r8a7779_devices_dt));
	of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
}

static const char *r8a7779_compat_dt[] __initdata = {
	"renesas,r8a7779",
	NULL,
};

DT_MACHINE_START(R8A7779_DT, "Generic R8A7779 (Flattened Device Tree)")
	.map_io		= r8a7779_map_io,
	.init_early	= r8a7779_init_delay,
	.nr_irqs	= NR_IRQS_LEGACY,
	.init_irq	= r8a7779_init_irq_dt,
	.init_machine	= r8a7779_add_standard_devices_dt,
	.init_late	= r8a7779_init_late,
	.dt_compat	= r8a7779_compat_dt,
MACHINE_END
#endif /* CONFIG_USE_OF */
OpenPOWER on IntegriCloud