summaryrefslogtreecommitdiffstats
path: root/arch/mips/bcm63xx/boards/board_bcm963xx.c
blob: 1fe412c431712a9399928786ae4f405231c37035 (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
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
/*
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive
 * for more details.
 *
 * Copyright (C) 2008 Maxime Bizon <mbizon@freebox.fr>
 * Copyright (C) 2008 Florian Fainelli <florian@openwrt.org>
 */

#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/string.h>
#include <linux/platform_device.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/physmap.h>
#include <linux/ssb/ssb.h>
#include <asm/addrspace.h>
#include <bcm63xx_board.h>
#include <bcm63xx_cpu.h>
#include <bcm63xx_regs.h>
#include <bcm63xx_io.h>
#include <bcm63xx_dev_pci.h>
#include <bcm63xx_dev_enet.h>
#include <bcm63xx_dev_dsp.h>
#include <bcm63xx_dev_pcmcia.h>
#include <board_bcm963xx.h>

#define PFX	"board_bcm963xx: "

static struct bcm963xx_nvram nvram;
static unsigned int mac_addr_used;
static struct board_info board;

/*
 * known 6338 boards
 */
#ifdef CONFIG_BCM63XX_CPU_6338
static struct board_info __initdata board_96338gw = {
	.name				= "96338GW",
	.expected_cpu_id		= 0x6338,

	.has_enet0			= 1,
	.enet0 = {
		.force_speed_100	= 1,
		.force_duplex_full	= 1,
	},

	.has_ohci0			= 1,

	.leds = {
		{
			.name		= "adsl",
			.gpio		= 3,
			.active_low	= 1,
		},
		{
			.name		= "ses",
			.gpio		= 5,
			.active_low	= 1,
		},
		{
			.name		= "ppp-fail",
			.gpio		= 4,
			.active_low	= 1,
		},
		{
			.name		= "power",
			.gpio		= 0,
			.active_low	= 1,
			.default_trigger = "default-on",
		},
		{
			.name		= "stop",
			.gpio		= 1,
			.active_low	= 1,
		}
	},
};

static struct board_info __initdata board_96338w = {
	.name				= "96338W",
	.expected_cpu_id		= 0x6338,

	.has_enet0			= 1,
	.enet0 = {
		.force_speed_100	= 1,
		.force_duplex_full	= 1,
	},

	.leds = {
		{
			.name		= "adsl",
			.gpio		= 3,
			.active_low	= 1,
		},
		{
			.name		= "ses",
			.gpio		= 5,
			.active_low	= 1,
		},
		{
			.name		= "ppp-fail",
			.gpio		= 4,
			.active_low	= 1,
		},
		{
			.name		= "power",
			.gpio		= 0,
			.active_low	= 1,
			.default_trigger = "default-on",
		},
		{
			.name		= "stop",
			.gpio		= 1,
			.active_low	= 1,
		},
	},
};
#endif

/*
 * known 6345 boards
 */
#ifdef CONFIG_BCM63XX_CPU_6345
static struct board_info __initdata board_96345gw2 = {
	.name				= "96345GW2",
	.expected_cpu_id		= 0x6345,
};
#endif

/*
 * known 6348 boards
 */
#ifdef CONFIG_BCM63XX_CPU_6348
static struct board_info __initdata board_96348r = {
	.name				= "96348R",
	.expected_cpu_id		= 0x6348,

	.has_enet0			= 1,
	.has_pci			= 1,

	.enet0 = {
		.has_phy		= 1,
		.use_internal_phy	= 1,
	},

	.leds = {
		{
			.name		= "adsl-fail",
			.gpio		= 2,
			.active_low	= 1,
		},
		{
			.name		= "ppp",
			.gpio		= 3,
			.active_low	= 1,
		},
		{
			.name		= "ppp-fail",
			.gpio		= 4,
			.active_low	= 1,
		},
		{
			.name		= "power",
			.gpio		= 0,
			.active_low	= 1,
			.default_trigger = "default-on",

		},
		{
			.name		= "stop",
			.gpio		= 1,
			.active_low	= 1,
		},
	},
};

static struct board_info __initdata board_96348gw_10 = {
	.name				= "96348GW-10",
	.expected_cpu_id		= 0x6348,

	.has_enet0			= 1,
	.has_enet1			= 1,
	.has_pci			= 1,

	.enet0 = {
		.has_phy		= 1,
		.use_internal_phy	= 1,
	},
	.enet1 = {
		.force_speed_100	= 1,
		.force_duplex_full	= 1,
	},

	.has_ohci0			= 1,
	.has_pccard			= 1,
	.has_ehci0			= 1,

	.has_dsp			= 1,
	.dsp = {
		.gpio_rst		= 6,
		.gpio_int		= 34,
		.cs			= 2,
		.ext_irq		= 2,
	},

	.leds = {
		{
			.name		= "adsl-fail",
			.gpio		= 2,
			.active_low	= 1,
		},
		{
			.name		= "ppp",
			.gpio		= 3,
			.active_low	= 1,
		},
		{
			.name		= "ppp-fail",
			.gpio		= 4,
			.active_low	= 1,
		},
		{
			.name		= "power",
			.gpio		= 0,
			.active_low	= 1,
			.default_trigger = "default-on",
		},
		{
			.name		= "stop",
			.gpio		= 1,
			.active_low	= 1,
		},
	},
};

static struct board_info __initdata board_96348gw_11 = {
	.name				= "96348GW-11",
	.expected_cpu_id		= 0x6348,

	.has_enet0			= 1,
	.has_enet1			= 1,
	.has_pci			= 1,

	.enet0 = {
		.has_phy		= 1,
		.use_internal_phy	= 1,
	},

	.enet1 = {
		.force_speed_100	= 1,
		.force_duplex_full	= 1,
	},


	.has_ohci0 = 1,
	.has_pccard = 1,
	.has_ehci0 = 1,

	.leds = {
		{
			.name		= "adsl-fail",
			.gpio		= 2,
			.active_low	= 1,
		},
		{
			.name		= "ppp",
			.gpio		= 3,
			.active_low	= 1,
		},
		{
			.name		= "ppp-fail",
			.gpio		= 4,
			.active_low	= 1,
		},
		{
			.name		= "power",
			.gpio		= 0,
			.active_low	= 1,
			.default_trigger = "default-on",
		},
		{
			.name		= "stop",
			.gpio		= 1,
			.active_low	= 1,
		},
	},
};

static struct board_info __initdata board_96348gw = {
	.name				= "96348GW",
	.expected_cpu_id		= 0x6348,

	.has_enet0			= 1,
	.has_enet1			= 1,
	.has_pci			= 1,

	.enet0 = {
		.has_phy		= 1,
		.use_internal_phy	= 1,
	},
	.enet1 = {
		.force_speed_100	= 1,
		.force_duplex_full	= 1,
	},

	.has_ohci0 = 1,

	.has_dsp			= 1,
	.dsp = {
		.gpio_rst		= 6,
		.gpio_int		= 34,
		.ext_irq		= 2,
		.cs			= 2,
	},

	.leds = {
		{
			.name		= "adsl-fail",
			.gpio		= 2,
			.active_low	= 1,
		},
		{
			.name		= "ppp",
			.gpio		= 3,
			.active_low	= 1,
		},
		{
			.name		= "ppp-fail",
			.gpio		= 4,
			.active_low	= 1,
		},
		{
			.name		= "power",
			.gpio		= 0,
			.active_low	= 1,
			.default_trigger = "default-on",
		},
		{
			.name		= "stop",
			.gpio		= 1,
			.active_low	= 1,
		},
	},
};

static struct board_info __initdata board_FAST2404 = {
	.name				= "F@ST2404",
	.expected_cpu_id		= 0x6348,

	.has_enet0			= 1,
	.has_enet1			= 1,
	.has_pci			= 1,

	.enet0 = {
		.has_phy		= 1,
		.use_internal_phy	= 1,
	},

	.enet1 = {
		.force_speed_100	= 1,
		.force_duplex_full	= 1,
	},

	.has_ohci0			= 1,
	.has_pccard			= 1,
	.has_ehci0			= 1,
};

static struct board_info __initdata board_DV201AMR = {
	.name				= "DV201AMR",
	.expected_cpu_id		= 0x6348,

	.has_pci			= 1,
	.has_ohci0			= 1,

	.has_enet0			= 1,
	.has_enet1			= 1,
	.enet0 = {
		.has_phy		= 1,
		.use_internal_phy	= 1,
	},
	.enet1 = {
		.force_speed_100	= 1,
		.force_duplex_full	= 1,
	},
};

static struct board_info __initdata board_96348gw_a = {
	.name				= "96348GW-A",
	.expected_cpu_id		= 0x6348,

	.has_enet0			= 1,
	.has_enet1			= 1,
	.has_pci			= 1,

	.enet0 = {
		.has_phy		= 1,
		.use_internal_phy	= 1,
	},
	.enet1 = {
		.force_speed_100	= 1,
		.force_duplex_full	= 1,
	},

	.has_ohci0 = 1,
};
#endif

/*
 * known 6358 boards
 */
#ifdef CONFIG_BCM63XX_CPU_6358
static struct board_info __initdata board_96358vw = {
	.name				= "96358VW",
	.expected_cpu_id		= 0x6358,

	.has_enet0			= 1,
	.has_enet1			= 1,
	.has_pci			= 1,

	.enet0 = {
		.has_phy		= 1,
		.use_internal_phy	= 1,
	},

	.enet1 = {
		.force_speed_100	= 1,
		.force_duplex_full	= 1,
	},


	.has_ohci0 = 1,
	.has_pccard = 1,
	.has_ehci0 = 1,

	.leds = {
		{
			.name		= "adsl-fail",
			.gpio		= 15,
			.active_low	= 1,
		},
		{
			.name		= "ppp",
			.gpio		= 22,
			.active_low	= 1,
		},
		{
			.name		= "ppp-fail",
			.gpio		= 23,
			.active_low	= 1,
		},
		{
			.name		= "power",
			.gpio		= 4,
			.default_trigger = "default-on",
		},
		{
			.name		= "stop",
			.gpio		= 5,
		},
	},
};

static struct board_info __initdata board_96358vw2 = {
	.name				= "96358VW2",
	.expected_cpu_id		= 0x6358,

	.has_enet0			= 1,
	.has_enet1			= 1,
	.has_pci			= 1,

	.enet0 = {
		.has_phy		= 1,
		.use_internal_phy	= 1,
	},

	.enet1 = {
		.force_speed_100	= 1,
		.force_duplex_full	= 1,
	},


	.has_ohci0 = 1,
	.has_pccard = 1,
	.has_ehci0 = 1,

	.leds = {
		{
			.name		= "adsl",
			.gpio		= 22,
			.active_low	= 1,
		},
		{
			.name		= "ppp-fail",
			.gpio		= 23,
		},
		{
			.name		= "power",
			.gpio		= 5,
			.active_low	= 1,
			.default_trigger = "default-on",
		},
		{
			.name		= "stop",
			.gpio		= 4,
			.active_low	= 1,
		},
	},
};

static struct board_info __initdata board_AGPFS0 = {
	.name                           = "AGPF-S0",
	.expected_cpu_id                = 0x6358,

	.has_enet0                      = 1,
	.has_enet1                      = 1,
	.has_pci                        = 1,

	.enet0 = {
		.has_phy                = 1,
		.use_internal_phy       = 1,
	},

	.enet1 = {
		.force_speed_100        = 1,
		.force_duplex_full      = 1,
	},

	.has_ohci0 = 1,
	.has_ehci0 = 1,
};
#endif

/*
 * all boards
 */
static const struct board_info __initdata *bcm963xx_boards[] = {
#ifdef CONFIG_BCM63XX_CPU_6338
	&board_96338gw,
	&board_96338w,
#endif
#ifdef CONFIG_BCM63XX_CPU_6345
	&board_96345gw2,
#endif
#ifdef CONFIG_BCM63XX_CPU_6348
	&board_96348r,
	&board_96348gw,
	&board_96348gw_10,
	&board_96348gw_11,
	&board_FAST2404,
	&board_DV201AMR,
	&board_96348gw_a,
#endif

#ifdef CONFIG_BCM63XX_CPU_6358
	&board_96358vw,
	&board_96358vw2,
	&board_AGPFS0,
#endif
};

/*
 * early init callback, read nvram data from flash and checksum it
 */
void __init board_prom_init(void)
{
	unsigned int check_len, i;
	u8 *boot_addr, *cfe, *p;
	char cfe_version[32];
	u32 val;

	/* read base address of boot chip select (0)
	 * 6345 does not have MPI but boots from standard
	 * MIPS Flash address */
	if (BCMCPU_IS_6345())
		val = 0x1fc00000;
	else {
		val = bcm_mpi_readl(MPI_CSBASE_REG(0));
		val &= MPI_CSBASE_BASE_MASK;
	}
	boot_addr = (u8 *)KSEG1ADDR(val);

	/* dump cfe version */
	cfe = boot_addr + BCM963XX_CFE_VERSION_OFFSET;
	if (!memcmp(cfe, "cfe-v", 5))
		snprintf(cfe_version, sizeof(cfe_version), "%u.%u.%u-%u.%u",
			 cfe[5], cfe[6], cfe[7], cfe[8], cfe[9]);
	else
		strcpy(cfe_version, "unknown");
	printk(KERN_INFO PFX "CFE version: %s\n", cfe_version);

	/* extract nvram data */
	memcpy(&nvram, boot_addr + BCM963XX_NVRAM_OFFSET, sizeof(nvram));

	/* check checksum before using data */
	if (nvram.version <= 4)
		check_len = offsetof(struct bcm963xx_nvram, checksum_old);
	else
		check_len = sizeof(nvram);
	val = 0;
	p = (u8 *)&nvram;
	while (check_len--)
		val += *p;
	if (val) {
		printk(KERN_ERR PFX "invalid nvram checksum\n");
		return;
	}

	/* find board by name */
	for (i = 0; i < ARRAY_SIZE(bcm963xx_boards); i++) {
		if (strncmp(nvram.name, bcm963xx_boards[i]->name,
			    sizeof(nvram.name)))
			continue;
		/* copy, board desc array is marked initdata */
		memcpy(&board, bcm963xx_boards[i], sizeof(board));
		break;
	}

	/* bail out if board is not found, will complain later */
	if (!board.name[0]) {
		char name[17];
		memcpy(name, nvram.name, 16);
		name[16] = 0;
		printk(KERN_ERR PFX "unknown bcm963xx board: %s\n",
		       name);
		return;
	}

	/* setup pin multiplexing depending on board enabled device,
	 * this has to be done this early since PCI init is done
	 * inside arch_initcall */
	val = 0;

#ifdef CONFIG_PCI
	if (board.has_pci) {
		bcm63xx_pci_enabled = 1;
		if (BCMCPU_IS_6348())
			val |= GPIO_MODE_6348_G2_PCI;
	}
#endif

	if (board.has_pccard) {
		if (BCMCPU_IS_6348())
			val |= GPIO_MODE_6348_G1_MII_PCCARD;
	}

	if (board.has_enet0 && !board.enet0.use_internal_phy) {
		if (BCMCPU_IS_6348())
			val |= GPIO_MODE_6348_G3_EXT_MII |
				GPIO_MODE_6348_G0_EXT_MII;
	}

	if (board.has_enet1 && !board.enet1.use_internal_phy) {
		if (BCMCPU_IS_6348())
			val |= GPIO_MODE_6348_G3_EXT_MII |
				GPIO_MODE_6348_G0_EXT_MII;
	}

	bcm_gpio_writel(val, GPIO_MODE_REG);
}

/*
 * second stage init callback, good time to panic if we couldn't
 * identify on which board we're running since early printk is working
 */
void __init board_setup(void)
{
	if (!board.name[0])
		panic("unable to detect bcm963xx board");
	printk(KERN_INFO PFX "board name: %s\n", board.name);

	/* make sure we're running on expected cpu */
	if (bcm63xx_get_cpu_id() != board.expected_cpu_id)
		panic("unexpected CPU for bcm963xx board");
}

/*
 * return board name for /proc/cpuinfo
 */
const char *board_get_name(void)
{
	return board.name;
}

/*
 * register & return a new board mac address
 */
static int board_get_mac_address(u8 *mac)
{
	u8 *p;
	int count;

	if (mac_addr_used >= nvram.mac_addr_count) {
		printk(KERN_ERR PFX "not enough mac address\n");
		return -ENODEV;
	}

	memcpy(mac, nvram.mac_addr_base, ETH_ALEN);
	p = mac + ETH_ALEN - 1;
	count = mac_addr_used;

	while (count--) {
		do {
			(*p)++;
			if (*p != 0)
				break;
			p--;
		} while (p != mac);
	}

	if (p == mac) {
		printk(KERN_ERR PFX "unable to fetch mac address\n");
		return -ENODEV;
	}

	mac_addr_used++;
	return 0;
}

static struct mtd_partition mtd_partitions[] = {
	{
		.name		= "cfe",
		.offset		= 0x0,
		.size		= 0x40000,
	}
};

static struct physmap_flash_data flash_data = {
	.width			= 2,
	.nr_parts		= ARRAY_SIZE(mtd_partitions),
	.parts			= mtd_partitions,
};

static struct resource mtd_resources[] = {
	{
		.start		= 0,	/* filled at runtime */
		.end		= 0,	/* filled at runtime */
		.flags		= IORESOURCE_MEM,
	}
};

static struct platform_device mtd_dev = {
	.name			= "physmap-flash",
	.resource		= mtd_resources,
	.num_resources		= ARRAY_SIZE(mtd_resources),
	.dev			= {
		.platform_data	= &flash_data,
	},
};

/*
 * Register a sane SPROMv2 to make the on-board
 * bcm4318 WLAN work
 */
#ifdef CONFIG_SSB_PCIHOST
static struct ssb_sprom bcm63xx_sprom = {
	.revision		= 0x02,
	.board_rev		= 0x17,
	.country_code		= 0x0,
	.ant_available_bg 	= 0x3,
	.pa0b0			= 0x15ae,
	.pa0b1			= 0xfa85,
	.pa0b2			= 0xfe8d,
	.pa1b0			= 0xffff,
	.pa1b1			= 0xffff,
	.pa1b2			= 0xffff,
	.gpio0			= 0xff,
	.gpio1			= 0xff,
	.gpio2			= 0xff,
	.gpio3			= 0xff,
	.maxpwr_bg		= 0x004c,
	.itssi_bg		= 0x00,
	.boardflags_lo		= 0x2848,
	.boardflags_hi		= 0x0000,
};
#endif

static struct gpio_led_platform_data bcm63xx_led_data;

static struct platform_device bcm63xx_gpio_leds = {
	.name			= "leds-gpio",
	.id			= 0,
	.dev.platform_data	= &bcm63xx_led_data,
};

/*
 * third stage init callback, register all board devices.
 */
int __init board_register_devices(void)
{
	u32 val;

	if (board.has_pccard)
		bcm63xx_pcmcia_register();

	if (board.has_enet0 &&
	    !board_get_mac_address(board.enet0.mac_addr))
		bcm63xx_enet_register(0, &board.enet0);

	if (board.has_enet1 &&
	    !board_get_mac_address(board.enet1.mac_addr))
		bcm63xx_enet_register(1, &board.enet1);

	if (board.has_dsp)
		bcm63xx_dsp_register(&board.dsp);

	/* Generate MAC address for WLAN and
	 * register our SPROM */
#ifdef CONFIG_SSB_PCIHOST
	if (!board_get_mac_address(bcm63xx_sprom.il0mac)) {
		memcpy(bcm63xx_sprom.et0mac, bcm63xx_sprom.il0mac, ETH_ALEN);
		memcpy(bcm63xx_sprom.et1mac, bcm63xx_sprom.il0mac, ETH_ALEN);
		if (ssb_arch_set_fallback_sprom(&bcm63xx_sprom) < 0)
			printk(KERN_ERR "failed to register fallback SPROM\n");
	}
#endif

	/* read base address of boot chip select (0) */
	if (BCMCPU_IS_6345())
		val = 0x1fc00000;
	else {
		val = bcm_mpi_readl(MPI_CSBASE_REG(0));
		val &= MPI_CSBASE_BASE_MASK;
	}
	mtd_resources[0].start = val;
	mtd_resources[0].end = 0x1FFFFFFF;

	platform_device_register(&mtd_dev);

	bcm63xx_led_data.num_leds = ARRAY_SIZE(board.leds);
	bcm63xx_led_data.leds = board.leds;

	platform_device_register(&bcm63xx_gpio_leds);

	return 0;
}