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init from v2.6.32.60
[mach-moxart.git] / arch / mips / bcm63xx / boards / board_bcm963xx.c
blob05a35cf5963d4bc075b703381ff7d7cf61bbede8
1 /*
2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
4 * for more details.
5 *
6 * Copyright (C) 2008 Maxime Bizon <mbizon@freebox.fr>
7 * Copyright (C) 2008 Florian Fainelli <florian@openwrt.org>
8 */
9
10 #include <linux/init.h>
11 #include <linux/kernel.h>
12 #include <linux/string.h>
13 #include <linux/platform_device.h>
14 #include <linux/mtd/mtd.h>
15 #include <linux/mtd/partitions.h>
16 #include <linux/mtd/physmap.h>
17 #include <linux/ssb/ssb.h>
18 #include <asm/addrspace.h>
19 #include <bcm63xx_board.h>
20 #include <bcm63xx_cpu.h>
21 #include <bcm63xx_regs.h>
22 #include <bcm63xx_io.h>
23 #include <bcm63xx_dev_pci.h>
24 #include <bcm63xx_dev_enet.h>
25 #include <bcm63xx_dev_dsp.h>
26 #include <bcm63xx_dev_pcmcia.h>
27 #include <board_bcm963xx.h>
28
29 #define PFX "board_bcm963xx: "
30
31 static struct bcm963xx_nvram nvram;
32 static unsigned int mac_addr_used;
33 static struct board_info board;
34
35 /*
36 * known 6338 boards
37 */
38 #ifdef CONFIG_BCM63XX_CPU_6338
39 static struct board_info __initdata board_96338gw = {
40 .name = "96338GW",
41 .expected_cpu_id = 0x6338,
42
43 .has_enet0 = 1,
44 .enet0 = {
45 .force_speed_100 = 1,
46 .force_duplex_full = 1,
47 },
48
49 .has_ohci0 = 1,
50
51 .leds = {
52 {
53 .name = "adsl",
54 .gpio = 3,
55 .active_low = 1,
56 },
57 {
58 .name = "ses",
59 .gpio = 5,
60 .active_low = 1,
61 },
62 {
63 .name = "ppp-fail",
64 .gpio = 4,
65 .active_low = 1,
66 },
67 {
68 .name = "power",
69 .gpio = 0,
70 .active_low = 1,
71 .default_trigger = "default-on",
72 },
73 {
74 .name = "stop",
75 .gpio = 1,
76 .active_low = 1,
77 }
78 },
79 };
80
81 static struct board_info __initdata board_96338w = {
82 .name = "96338W",
83 .expected_cpu_id = 0x6338,
84
85 .has_enet0 = 1,
86 .enet0 = {
87 .force_speed_100 = 1,
88 .force_duplex_full = 1,
89 },
90
91 .leds = {
92 {
93 .name = "adsl",
94 .gpio = 3,
95 .active_low = 1,
96 },
97 {
98 .name = "ses",
99 .gpio = 5,
100 .active_low = 1,
101 },
102 {
103 .name = "ppp-fail",
104 .gpio = 4,
105 .active_low = 1,
106 },
107 {
108 .name = "power",
109 .gpio = 0,
110 .active_low = 1,
111 .default_trigger = "default-on",
112 },
113 {
114 .name = "stop",
115 .gpio = 1,
116 .active_low = 1,
117 },
118 },
119 };
120 #endif
121
122 /*
123 * known 6345 boards
124 */
125 #ifdef CONFIG_BCM63XX_CPU_6345
126 static struct board_info __initdata board_96345gw2 = {
127 .name = "96345GW2",
128 .expected_cpu_id = 0x6345,
129 };
130 #endif
131
132 /*
133 * known 6348 boards
134 */
135 #ifdef CONFIG_BCM63XX_CPU_6348
136 static struct board_info __initdata board_96348r = {
137 .name = "96348R",
138 .expected_cpu_id = 0x6348,
139
140 .has_enet0 = 1,
141 .has_pci = 1,
142
143 .enet0 = {
144 .has_phy = 1,
145 .use_internal_phy = 1,
146 },
147
148 .leds = {
149 {
150 .name = "adsl-fail",
151 .gpio = 2,
152 .active_low = 1,
153 },
154 {
155 .name = "ppp",
156 .gpio = 3,
157 .active_low = 1,
158 },
159 {
160 .name = "ppp-fail",
161 .gpio = 4,
162 .active_low = 1,
163 },
164 {
165 .name = "power",
166 .gpio = 0,
167 .active_low = 1,
168 .default_trigger = "default-on",
169
170 },
171 {
172 .name = "stop",
173 .gpio = 1,
174 .active_low = 1,
175 },
176 },
177 };
178
179 static struct board_info __initdata board_96348gw_10 = {
180 .name = "96348GW-10",
181 .expected_cpu_id = 0x6348,
182
183 .has_enet0 = 1,
184 .has_enet1 = 1,
185 .has_pci = 1,
186
187 .enet0 = {
188 .has_phy = 1,
189 .use_internal_phy = 1,
190 },
191 .enet1 = {
192 .force_speed_100 = 1,
193 .force_duplex_full = 1,
194 },
195
196 .has_ohci0 = 1,
197 .has_pccard = 1,
198 .has_ehci0 = 1,
199
200 .has_dsp = 1,
201 .dsp = {
202 .gpio_rst = 6,
203 .gpio_int = 34,
204 .cs = 2,
205 .ext_irq = 2,
206 },
207
208 .leds = {
209 {
210 .name = "adsl-fail",
211 .gpio = 2,
212 .active_low = 1,
213 },
214 {
215 .name = "ppp",
216 .gpio = 3,
217 .active_low = 1,
218 },
219 {
220 .name = "ppp-fail",
221 .gpio = 4,
222 .active_low = 1,
223 },
224 {
225 .name = "power",
226 .gpio = 0,
227 .active_low = 1,
228 .default_trigger = "default-on",
229 },
230 {
231 .name = "stop",
232 .gpio = 1,
233 .active_low = 1,
234 },
235 },
236 };
237
238 static struct board_info __initdata board_96348gw_11 = {
239 .name = "96348GW-11",
240 .expected_cpu_id = 0x6348,
241
242 .has_enet0 = 1,
243 .has_enet1 = 1,
244 .has_pci = 1,
245
246 .enet0 = {
247 .has_phy = 1,
248 .use_internal_phy = 1,
249 },
250
251 .enet1 = {
252 .force_speed_100 = 1,
253 .force_duplex_full = 1,
254 },
255
256
257 .has_ohci0 = 1,
258 .has_pccard = 1,
259 .has_ehci0 = 1,
260
261 .leds = {
262 {
263 .name = "adsl-fail",
264 .gpio = 2,
265 .active_low = 1,
266 },
267 {
268 .name = "ppp",
269 .gpio = 3,
270 .active_low = 1,
271 },
272 {
273 .name = "ppp-fail",
274 .gpio = 4,
275 .active_low = 1,
276 },
277 {
278 .name = "power",
279 .gpio = 0,
280 .active_low = 1,
281 .default_trigger = "default-on",
282 },
283 {
284 .name = "stop",
285 .gpio = 1,
286 .active_low = 1,
287 },
288 },
289 };
290
291 static struct board_info __initdata board_96348gw = {
292 .name = "96348GW",
293 .expected_cpu_id = 0x6348,
294
295 .has_enet0 = 1,
296 .has_enet1 = 1,
297 .has_pci = 1,
298
299 .enet0 = {
300 .has_phy = 1,
301 .use_internal_phy = 1,
302 },
303 .enet1 = {
304 .force_speed_100 = 1,
305 .force_duplex_full = 1,
306 },
307
308 .has_ohci0 = 1,
309
310 .has_dsp = 1,
311 .dsp = {
312 .gpio_rst = 6,
313 .gpio_int = 34,
314 .ext_irq = 2,
315 .cs = 2,
316 },
317
318 .leds = {
319 {
320 .name = "adsl-fail",
321 .gpio = 2,
322 .active_low = 1,
323 },
324 {
325 .name = "ppp",
326 .gpio = 3,
327 .active_low = 1,
328 },
329 {
330 .name = "ppp-fail",
331 .gpio = 4,
332 .active_low = 1,
333 },
334 {
335 .name = "power",
336 .gpio = 0,
337 .active_low = 1,
338 .default_trigger = "default-on",
339 },
340 {
341 .name = "stop",
342 .gpio = 1,
343 .active_low = 1,
344 },
345 },
346 };
347
348 static struct board_info __initdata board_FAST2404 = {
349 .name = "F@ST2404",
350 .expected_cpu_id = 0x6348,
351
352 .has_enet0 = 1,
353 .has_enet1 = 1,
354 .has_pci = 1,
355
356 .enet0 = {
357 .has_phy = 1,
358 .use_internal_phy = 1,
359 },
360
361 .enet1 = {
362 .force_speed_100 = 1,
363 .force_duplex_full = 1,
364 },
365
366
367 .has_ohci0 = 1,
368 .has_pccard = 1,
369 .has_ehci0 = 1,
370 };
371
372 static struct board_info __initdata board_DV201AMR = {
373 .name = "DV201AMR",
374 .expected_cpu_id = 0x6348,
375
376 .has_pci = 1,
377 .has_ohci0 = 1,
378
379 .has_enet0 = 1,
380 .has_enet1 = 1,
381 .enet0 = {
382 .has_phy = 1,
383 .use_internal_phy = 1,
384 },
385 .enet1 = {
386 .force_speed_100 = 1,
387 .force_duplex_full = 1,
388 },
389 };
390
391 static struct board_info __initdata board_96348gw_a = {
392 .name = "96348GW-A",
393 .expected_cpu_id = 0x6348,
394
395 .has_enet0 = 1,
396 .has_enet1 = 1,
397 .has_pci = 1,
398
399 .enet0 = {
400 .has_phy = 1,
401 .use_internal_phy = 1,
402 },
403 .enet1 = {
404 .force_speed_100 = 1,
405 .force_duplex_full = 1,
406 },
407
408 .has_ohci0 = 1,
409 };
410 #endif
411
412 /*
413 * known 6358 boards
414 */
415 #ifdef CONFIG_BCM63XX_CPU_6358
416 static struct board_info __initdata board_96358vw = {
417 .name = "96358VW",
418 .expected_cpu_id = 0x6358,
419
420 .has_enet0 = 1,
421 .has_enet1 = 1,
422 .has_pci = 1,
423
424 .enet0 = {
425 .has_phy = 1,
426 .use_internal_phy = 1,
427 },
428
429 .enet1 = {
430 .force_speed_100 = 1,
431 .force_duplex_full = 1,
432 },
433
434
435 .has_ohci0 = 1,
436 .has_pccard = 1,
437 .has_ehci0 = 1,
438
439 .leds = {
440 {
441 .name = "adsl-fail",
442 .gpio = 15,
443 .active_low = 1,
444 },
445 {
446 .name = "ppp",
447 .gpio = 22,
448 .active_low = 1,
449 },
450 {
451 .name = "ppp-fail",
452 .gpio = 23,
453 .active_low = 1,
454 },
455 {
456 .name = "power",
457 .gpio = 4,
458 .default_trigger = "default-on",
459 },
460 {
461 .name = "stop",
462 .gpio = 5,
463 },
464 },
465 };
466
467 static struct board_info __initdata board_96358vw2 = {
468 .name = "96358VW2",
469 .expected_cpu_id = 0x6358,
470
471 .has_enet0 = 1,
472 .has_enet1 = 1,
473 .has_pci = 1,
474
475 .enet0 = {
476 .has_phy = 1,
477 .use_internal_phy = 1,
478 },
479
480 .enet1 = {
481 .force_speed_100 = 1,
482 .force_duplex_full = 1,
483 },
484
485
486 .has_ohci0 = 1,
487 .has_pccard = 1,
488 .has_ehci0 = 1,
489
490 .leds = {
491 {
492 .name = "adsl",
493 .gpio = 22,
494 .active_low = 1,
495 },
496 {
497 .name = "ppp-fail",
498 .gpio = 23,
499 },
500 {
501 .name = "power",
502 .gpio = 5,
503 .active_low = 1,
504 .default_trigger = "default-on",
505 },
506 {
507 .name = "stop",
508 .gpio = 4,
509 .active_low = 1,
510 },
511 },
512 };
513
514 static struct board_info __initdata board_AGPFS0 = {
515 .name = "AGPF-S0",
516 .expected_cpu_id = 0x6358,
517
518 .has_enet0 = 1,
519 .has_enet1 = 1,
520 .has_pci = 1,
521
522 .enet0 = {
523 .has_phy = 1,
524 .use_internal_phy = 1,
525 },
526
527 .enet1 = {
528 .force_speed_100 = 1,
529 .force_duplex_full = 1,
530 },
531
532 .has_ohci0 = 1,
533 .has_ehci0 = 1,
534 };
535 #endif
536
537 /*
538 * all boards
539 */
540 static const struct board_info __initdata *bcm963xx_boards[] = {
541 #ifdef CONFIG_BCM63XX_CPU_6338
542 &board_96338gw,
543 &board_96338w,
544 #endif
545 #ifdef CONFIG_BCM63XX_CPU_6345
546 &board_96345gw2,
547 #endif
548 #ifdef CONFIG_BCM63XX_CPU_6348
549 &board_96348r,
550 &board_96348gw,
551 &board_96348gw_10,
552 &board_96348gw_11,
553 &board_FAST2404,
554 &board_DV201AMR,
555 &board_96348gw_a,
556 #endif
557
558 #ifdef CONFIG_BCM63XX_CPU_6358
559 &board_96358vw,
560 &board_96358vw2,
561 &board_AGPFS0,
562 #endif
563 };
564
565 /*
566 * early init callback, read nvram data from flash and checksum it
567 */
568 void __init board_prom_init(void)
569 {
570 unsigned int check_len, i;
571 u8 *boot_addr, *cfe, *p;
572 char cfe_version[32];
573 u32 val;
574
575 /* read base address of boot chip select (0)
576 * 6345 does not have MPI but boots from standard
577 * MIPS Flash address */
578 if (BCMCPU_IS_6345())
579 val = 0x1fc00000;
580 else {
581 val = bcm_mpi_readl(MPI_CSBASE_REG(0));
582 val &= MPI_CSBASE_BASE_MASK;
583 }
584 boot_addr = (u8 *)KSEG1ADDR(val);
585
586 /* dump cfe version */
587 cfe = boot_addr + BCM963XX_CFE_VERSION_OFFSET;
588 if (!memcmp(cfe, "cfe-v", 5))
589 snprintf(cfe_version, sizeof(cfe_version), "%u.%u.%u-%u.%u",
590 cfe[5], cfe[6], cfe[7], cfe[8], cfe[9]);
591 else
592 strcpy(cfe_version, "unknown");
593 printk(KERN_INFO PFX "CFE version: %s\n", cfe_version);
594
595 /* extract nvram data */
596 memcpy(&nvram, boot_addr + BCM963XX_NVRAM_OFFSET, sizeof(nvram));
597
598 /* check checksum before using data */
599 if (nvram.version <= 4)
600 check_len = offsetof(struct bcm963xx_nvram, checksum_old);
601 else
602 check_len = sizeof(nvram);
603 val = 0;
604 p = (u8 *)&nvram;
605 while (check_len--)
606 val += *p;
607 if (val) {
608 printk(KERN_ERR PFX "invalid nvram checksum\n");
609 return;
610 }
611
612 /* find board by name */
613 for (i = 0; i < ARRAY_SIZE(bcm963xx_boards); i++) {
614 if (strncmp(nvram.name, bcm963xx_boards[i]->name,
615 sizeof(nvram.name)))
616 continue;
617 /* copy, board desc array is marked initdata */
618 memcpy(&board, bcm963xx_boards[i], sizeof(board));
619 break;
620 }
621
622 /* bail out if board is not found, will complain later */
623 if (!board.name[0]) {
624 char name[17];
625 memcpy(name, nvram.name, 16);
626 name[16] = 0;
627 printk(KERN_ERR PFX "unknown bcm963xx board: %s\n",
628 name);
629 return;
630 }
631
632 /* setup pin multiplexing depending on board enabled device,
633 * this has to be done this early since PCI init is done
634 * inside arch_initcall */
635 val = 0;
636
637 #ifdef CONFIG_PCI
638 if (board.has_pci) {
639 bcm63xx_pci_enabled = 1;
640 if (BCMCPU_IS_6348())
641 val |= GPIO_MODE_6348_G2_PCI;
642 }
643 #endif
644
645 if (board.has_pccard) {
646 if (BCMCPU_IS_6348())
647 val |= GPIO_MODE_6348_G1_MII_PCCARD;
648 }
649
650 if (board.has_enet0 && !board.enet0.use_internal_phy) {
651 if (BCMCPU_IS_6348())
652 val |= GPIO_MODE_6348_G3_EXT_MII |
653 GPIO_MODE_6348_G0_EXT_MII;
654 }
655
656 if (board.has_enet1 && !board.enet1.use_internal_phy) {
657 if (BCMCPU_IS_6348())
658 val |= GPIO_MODE_6348_G3_EXT_MII |
659 GPIO_MODE_6348_G0_EXT_MII;
660 }
661
662 bcm_gpio_writel(val, GPIO_MODE_REG);
663 }
664
665 /*
666 * second stage init callback, good time to panic if we couldn't
667 * identify on which board we're running since early printk is working
668 */
669 void __init board_setup(void)
670 {
671 if (!board.name[0])
672 panic("unable to detect bcm963xx board");
673 printk(KERN_INFO PFX "board name: %s\n", board.name);
674
675 /* make sure we're running on expected cpu */
676 if (bcm63xx_get_cpu_id() != board.expected_cpu_id)
677 panic("unexpected CPU for bcm963xx board");
678 }
679
680 /*
681 * return board name for /proc/cpuinfo
682 */
683 const char *board_get_name(void)
684 {
685 return board.name;
686 }
687
688 /*
689 * register & return a new board mac address
690 */
691 static int board_get_mac_address(u8 *mac)
692 {
693 u8 *p;
694 int count;
695
696 if (mac_addr_used >= nvram.mac_addr_count) {
697 printk(KERN_ERR PFX "not enough mac address\n");
698 return -ENODEV;
699 }
700
701 memcpy(mac, nvram.mac_addr_base, ETH_ALEN);
702 p = mac + ETH_ALEN - 1;
703 count = mac_addr_used;
704
705 while (count--) {
706 do {
707 (*p)++;
708 if (*p != 0)
709 break;
710 p--;
711 } while (p != mac);
712 }
713
714 if (p == mac) {
715 printk(KERN_ERR PFX "unable to fetch mac address\n");
716 return -ENODEV;
717 }
718
719 mac_addr_used++;
720 return 0;
721 }
722
723 static struct mtd_partition mtd_partitions[] = {
724 {
725 .name = "cfe",
726 .offset = 0x0,
727 .size = 0x40000,
728 }
729 };
730
731 static struct physmap_flash_data flash_data = {
732 .width = 2,
733 .nr_parts = ARRAY_SIZE(mtd_partitions),
734 .parts = mtd_partitions,
735 };
736
737 static struct resource mtd_resources[] = {
738 {
739 .start = 0, /* filled at runtime */
740 .end = 0, /* filled at runtime */
741 .flags = IORESOURCE_MEM,
742 }
743 };
744
745 static struct platform_device mtd_dev = {
746 .name = "physmap-flash",
747 .resource = mtd_resources,
748 .num_resources = ARRAY_SIZE(mtd_resources),
749 .dev = {
750 .platform_data = &flash_data,
751 },
752 };
753
754 /*
755 * Register a sane SPROMv2 to make the on-board
756 * bcm4318 WLAN work
757 */
758 #ifdef CONFIG_SSB_PCIHOST
759 static struct ssb_sprom bcm63xx_sprom = {
760 .revision = 0x02,
761 .board_rev = 0x17,
762 .country_code = 0x0,
763 .ant_available_bg = 0x3,
764 .pa0b0 = 0x15ae,
765 .pa0b1 = 0xfa85,
766 .pa0b2 = 0xfe8d,
767 .pa1b0 = 0xffff,
768 .pa1b1 = 0xffff,
769 .pa1b2 = 0xffff,
770 .gpio0 = 0xff,
771 .gpio1 = 0xff,
772 .gpio2 = 0xff,
773 .gpio3 = 0xff,
774 .maxpwr_bg = 0x004c,
775 .itssi_bg = 0x00,
776 .boardflags_lo = 0x2848,
777 .boardflags_hi = 0x0000,
778 };
779 #endif
780
781 static struct gpio_led_platform_data bcm63xx_led_data;
782
783 static struct platform_device bcm63xx_gpio_leds = {
784 .name = "leds-gpio",
785 .id = 0,
786 .dev.platform_data = &bcm63xx_led_data,
787 };
788
789 /*
790 * third stage init callback, register all board devices.
791 */
792 int __init board_register_devices(void)
793 {
794 u32 val;
795
796 if (board.has_pccard)
797 bcm63xx_pcmcia_register();
798
799 if (board.has_enet0 &&
800 !board_get_mac_address(board.enet0.mac_addr))
801 bcm63xx_enet_register(0, &board.enet0);
802
803 if (board.has_enet1 &&
804 !board_get_mac_address(board.enet1.mac_addr))
805 bcm63xx_enet_register(1, &board.enet1);
806
807 if (board.has_dsp)
808 bcm63xx_dsp_register(&board.dsp);
809
810 /* Generate MAC address for WLAN and
811 * register our SPROM */
812 #ifdef CONFIG_SSB_PCIHOST
813 if (!board_get_mac_address(bcm63xx_sprom.il0mac)) {
814 memcpy(bcm63xx_sprom.et0mac, bcm63xx_sprom.il0mac, ETH_ALEN);
815 memcpy(bcm63xx_sprom.et1mac, bcm63xx_sprom.il0mac, ETH_ALEN);
816 if (ssb_arch_set_fallback_sprom(&bcm63xx_sprom) < 0)
817 printk(KERN_ERR "failed to register fallback SPROM\n");
818 }
819 #endif
820
821 /* read base address of boot chip select (0) */
822 if (BCMCPU_IS_6345())
823 val = 0x1fc00000;
824 else {
825 val = bcm_mpi_readl(MPI_CSBASE_REG(0));
826 val &= MPI_CSBASE_BASE_MASK;
827 }
828 mtd_resources[0].start = val;
829 mtd_resources[0].end = 0x1FFFFFFF;
830
831 platform_device_register(&mtd_dev);
832
833 bcm63xx_led_data.num_leds = ARRAY_SIZE(board.leds);
834 bcm63xx_led_data.leds = board.leds;
835
836 platform_device_register(&bcm63xx_gpio_leds);
837
838 return 0;
839 }
840
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