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The x86 timer interrupt handler is the only handler not traced in the
[linux-2.6/next.git] / arch / mips / bcm63xx / boards / board_bcm963xx.c
blob40b223b603be588ea6702579cd658c170e2f0384
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_dev_uart.h>
22 #include <bcm63xx_regs.h>
23 #include <bcm63xx_io.h>
24 #include <bcm63xx_dev_pci.h>
25 #include <bcm63xx_dev_enet.h>
26 #include <bcm63xx_dev_dsp.h>
27 #include <bcm63xx_dev_pcmcia.h>
28 #include <board_bcm963xx.h>
29
30 #define PFX "board_bcm963xx: "
31
32 static struct bcm963xx_nvram nvram;
33 static unsigned int mac_addr_used;
34 static struct board_info board;
35
36 /*
37 * known 6338 boards
38 */
39 #ifdef CONFIG_BCM63XX_CPU_6338
40 static struct board_info __initdata board_96338gw = {
41 .name = "96338GW",
42 .expected_cpu_id = 0x6338,
43
44 .has_uart0 = 1,
45 .has_enet0 = 1,
46 .enet0 = {
47 .force_speed_100 = 1,
48 .force_duplex_full = 1,
49 },
50
51 .has_ohci0 = 1,
52
53 .leds = {
54 {
55 .name = "adsl",
56 .gpio = 3,
57 .active_low = 1,
58 },
59 {
60 .name = "ses",
61 .gpio = 5,
62 .active_low = 1,
63 },
64 {
65 .name = "ppp-fail",
66 .gpio = 4,
67 .active_low = 1,
68 },
69 {
70 .name = "power",
71 .gpio = 0,
72 .active_low = 1,
73 .default_trigger = "default-on",
74 },
75 {
76 .name = "stop",
77 .gpio = 1,
78 .active_low = 1,
79 }
80 },
81 };
82
83 static struct board_info __initdata board_96338w = {
84 .name = "96338W",
85 .expected_cpu_id = 0x6338,
86
87 .has_uart0 = 1,
88 .has_enet0 = 1,
89 .enet0 = {
90 .force_speed_100 = 1,
91 .force_duplex_full = 1,
92 },
93
94 .leds = {
95 {
96 .name = "adsl",
97 .gpio = 3,
98 .active_low = 1,
99 },
100 {
101 .name = "ses",
102 .gpio = 5,
103 .active_low = 1,
104 },
105 {
106 .name = "ppp-fail",
107 .gpio = 4,
108 .active_low = 1,
109 },
110 {
111 .name = "power",
112 .gpio = 0,
113 .active_low = 1,
114 .default_trigger = "default-on",
115 },
116 {
117 .name = "stop",
118 .gpio = 1,
119 .active_low = 1,
120 },
121 },
122 };
123 #endif
124
125 /*
126 * known 6345 boards
127 */
128 #ifdef CONFIG_BCM63XX_CPU_6345
129 static struct board_info __initdata board_96345gw2 = {
130 .name = "96345GW2",
131 .expected_cpu_id = 0x6345,
132
133 .has_uart0 = 1,
134 };
135 #endif
136
137 /*
138 * known 6348 boards
139 */
140 #ifdef CONFIG_BCM63XX_CPU_6348
141 static struct board_info __initdata board_96348r = {
142 .name = "96348R",
143 .expected_cpu_id = 0x6348,
144
145 .has_uart0 = 1,
146 .has_enet0 = 1,
147 .has_pci = 1,
148
149 .enet0 = {
150 .has_phy = 1,
151 .use_internal_phy = 1,
152 },
153
154 .leds = {
155 {
156 .name = "adsl-fail",
157 .gpio = 2,
158 .active_low = 1,
159 },
160 {
161 .name = "ppp",
162 .gpio = 3,
163 .active_low = 1,
164 },
165 {
166 .name = "ppp-fail",
167 .gpio = 4,
168 .active_low = 1,
169 },
170 {
171 .name = "power",
172 .gpio = 0,
173 .active_low = 1,
174 .default_trigger = "default-on",
175
176 },
177 {
178 .name = "stop",
179 .gpio = 1,
180 .active_low = 1,
181 },
182 },
183 };
184
185 static struct board_info __initdata board_96348gw_10 = {
186 .name = "96348GW-10",
187 .expected_cpu_id = 0x6348,
188
189 .has_uart0 = 1,
190 .has_enet0 = 1,
191 .has_enet1 = 1,
192 .has_pci = 1,
193
194 .enet0 = {
195 .has_phy = 1,
196 .use_internal_phy = 1,
197 },
198 .enet1 = {
199 .force_speed_100 = 1,
200 .force_duplex_full = 1,
201 },
202
203 .has_ohci0 = 1,
204 .has_pccard = 1,
205 .has_ehci0 = 1,
206
207 .has_dsp = 1,
208 .dsp = {
209 .gpio_rst = 6,
210 .gpio_int = 34,
211 .cs = 2,
212 .ext_irq = 2,
213 },
214
215 .leds = {
216 {
217 .name = "adsl-fail",
218 .gpio = 2,
219 .active_low = 1,
220 },
221 {
222 .name = "ppp",
223 .gpio = 3,
224 .active_low = 1,
225 },
226 {
227 .name = "ppp-fail",
228 .gpio = 4,
229 .active_low = 1,
230 },
231 {
232 .name = "power",
233 .gpio = 0,
234 .active_low = 1,
235 .default_trigger = "default-on",
236 },
237 {
238 .name = "stop",
239 .gpio = 1,
240 .active_low = 1,
241 },
242 },
243 };
244
245 static struct board_info __initdata board_96348gw_11 = {
246 .name = "96348GW-11",
247 .expected_cpu_id = 0x6348,
248
249 .has_uart0 = 1,
250 .has_enet0 = 1,
251 .has_enet1 = 1,
252 .has_pci = 1,
253
254 .enet0 = {
255 .has_phy = 1,
256 .use_internal_phy = 1,
257 },
258
259 .enet1 = {
260 .force_speed_100 = 1,
261 .force_duplex_full = 1,
262 },
263
264
265 .has_ohci0 = 1,
266 .has_pccard = 1,
267 .has_ehci0 = 1,
268
269 .leds = {
270 {
271 .name = "adsl-fail",
272 .gpio = 2,
273 .active_low = 1,
274 },
275 {
276 .name = "ppp",
277 .gpio = 3,
278 .active_low = 1,
279 },
280 {
281 .name = "ppp-fail",
282 .gpio = 4,
283 .active_low = 1,
284 },
285 {
286 .name = "power",
287 .gpio = 0,
288 .active_low = 1,
289 .default_trigger = "default-on",
290 },
291 {
292 .name = "stop",
293 .gpio = 1,
294 .active_low = 1,
295 },
296 },
297 };
298
299 static struct board_info __initdata board_96348gw = {
300 .name = "96348GW",
301 .expected_cpu_id = 0x6348,
302
303 .has_uart0 = 1,
304 .has_enet0 = 1,
305 .has_enet1 = 1,
306 .has_pci = 1,
307
308 .enet0 = {
309 .has_phy = 1,
310 .use_internal_phy = 1,
311 },
312 .enet1 = {
313 .force_speed_100 = 1,
314 .force_duplex_full = 1,
315 },
316
317 .has_ohci0 = 1,
318
319 .has_dsp = 1,
320 .dsp = {
321 .gpio_rst = 6,
322 .gpio_int = 34,
323 .ext_irq = 2,
324 .cs = 2,
325 },
326
327 .leds = {
328 {
329 .name = "adsl-fail",
330 .gpio = 2,
331 .active_low = 1,
332 },
333 {
334 .name = "ppp",
335 .gpio = 3,
336 .active_low = 1,
337 },
338 {
339 .name = "ppp-fail",
340 .gpio = 4,
341 .active_low = 1,
342 },
343 {
344 .name = "power",
345 .gpio = 0,
346 .active_low = 1,
347 .default_trigger = "default-on",
348 },
349 {
350 .name = "stop",
351 .gpio = 1,
352 .active_low = 1,
353 },
354 },
355 };
356
357 static struct board_info __initdata board_FAST2404 = {
358 .name = "F@ST2404",
359 .expected_cpu_id = 0x6348,
360
361 .has_uart0 = 1,
362 .has_enet0 = 1,
363 .has_enet1 = 1,
364 .has_pci = 1,
365
366 .enet0 = {
367 .has_phy = 1,
368 .use_internal_phy = 1,
369 },
370
371 .enet1 = {
372 .force_speed_100 = 1,
373 .force_duplex_full = 1,
374 },
375
376 .has_ohci0 = 1,
377 .has_pccard = 1,
378 .has_ehci0 = 1,
379 };
380
381 static struct board_info __initdata board_rta1025w_16 = {
382 .name = "RTA1025W_16",
383 .expected_cpu_id = 0x6348,
384
385 .has_enet0 = 1,
386 .has_enet1 = 1,
387 .has_pci = 1,
388
389 .enet0 = {
390 .has_phy = 1,
391 .use_internal_phy = 1,
392 },
393 .enet1 = {
394 .force_speed_100 = 1,
395 .force_duplex_full = 1,
396 },
397 };
398
399
400 static struct board_info __initdata board_DV201AMR = {
401 .name = "DV201AMR",
402 .expected_cpu_id = 0x6348,
403
404 .has_uart0 = 1,
405 .has_pci = 1,
406 .has_ohci0 = 1,
407
408 .has_enet0 = 1,
409 .has_enet1 = 1,
410 .enet0 = {
411 .has_phy = 1,
412 .use_internal_phy = 1,
413 },
414 .enet1 = {
415 .force_speed_100 = 1,
416 .force_duplex_full = 1,
417 },
418 };
419
420 static struct board_info __initdata board_96348gw_a = {
421 .name = "96348GW-A",
422 .expected_cpu_id = 0x6348,
423
424 .has_uart0 = 1,
425 .has_enet0 = 1,
426 .has_enet1 = 1,
427 .has_pci = 1,
428
429 .enet0 = {
430 .has_phy = 1,
431 .use_internal_phy = 1,
432 },
433 .enet1 = {
434 .force_speed_100 = 1,
435 .force_duplex_full = 1,
436 },
437
438 .has_ohci0 = 1,
439 };
440 #endif
441
442 /*
443 * known 6358 boards
444 */
445 #ifdef CONFIG_BCM63XX_CPU_6358
446 static struct board_info __initdata board_96358vw = {
447 .name = "96358VW",
448 .expected_cpu_id = 0x6358,
449
450 .has_uart0 = 1,
451 .has_enet0 = 1,
452 .has_enet1 = 1,
453 .has_pci = 1,
454
455 .enet0 = {
456 .has_phy = 1,
457 .use_internal_phy = 1,
458 },
459
460 .enet1 = {
461 .force_speed_100 = 1,
462 .force_duplex_full = 1,
463 },
464
465
466 .has_ohci0 = 1,
467 .has_pccard = 1,
468 .has_ehci0 = 1,
469
470 .leds = {
471 {
472 .name = "adsl-fail",
473 .gpio = 15,
474 .active_low = 1,
475 },
476 {
477 .name = "ppp",
478 .gpio = 22,
479 .active_low = 1,
480 },
481 {
482 .name = "ppp-fail",
483 .gpio = 23,
484 .active_low = 1,
485 },
486 {
487 .name = "power",
488 .gpio = 4,
489 .default_trigger = "default-on",
490 },
491 {
492 .name = "stop",
493 .gpio = 5,
494 },
495 },
496 };
497
498 static struct board_info __initdata board_96358vw2 = {
499 .name = "96358VW2",
500 .expected_cpu_id = 0x6358,
501
502 .has_uart0 = 1,
503 .has_enet0 = 1,
504 .has_enet1 = 1,
505 .has_pci = 1,
506
507 .enet0 = {
508 .has_phy = 1,
509 .use_internal_phy = 1,
510 },
511
512 .enet1 = {
513 .force_speed_100 = 1,
514 .force_duplex_full = 1,
515 },
516
517
518 .has_ohci0 = 1,
519 .has_pccard = 1,
520 .has_ehci0 = 1,
521
522 .leds = {
523 {
524 .name = "adsl",
525 .gpio = 22,
526 .active_low = 1,
527 },
528 {
529 .name = "ppp-fail",
530 .gpio = 23,
531 },
532 {
533 .name = "power",
534 .gpio = 5,
535 .active_low = 1,
536 .default_trigger = "default-on",
537 },
538 {
539 .name = "stop",
540 .gpio = 4,
541 .active_low = 1,
542 },
543 },
544 };
545
546 static struct board_info __initdata board_AGPFS0 = {
547 .name = "AGPF-S0",
548 .expected_cpu_id = 0x6358,
549
550 .has_uart0 = 1,
551 .has_enet0 = 1,
552 .has_enet1 = 1,
553 .has_pci = 1,
554
555 .enet0 = {
556 .has_phy = 1,
557 .use_internal_phy = 1,
558 },
559
560 .enet1 = {
561 .force_speed_100 = 1,
562 .force_duplex_full = 1,
563 },
564
565 .has_ohci0 = 1,
566 .has_ehci0 = 1,
567 };
568
569 static struct board_info __initdata board_DWVS0 = {
570 .name = "DWV-S0",
571 .expected_cpu_id = 0x6358,
572
573 .has_enet0 = 1,
574 .has_enet1 = 1,
575 .has_pci = 1,
576
577 .enet0 = {
578 .has_phy = 1,
579 .use_internal_phy = 1,
580 },
581
582 .enet1 = {
583 .force_speed_100 = 1,
584 .force_duplex_full = 1,
585 },
586
587 .has_ohci0 = 1,
588 };
589 #endif
590
591 /*
592 * all boards
593 */
594 static const struct board_info __initdata *bcm963xx_boards[] = {
595 #ifdef CONFIG_BCM63XX_CPU_6338
596 &board_96338gw,
597 &board_96338w,
598 #endif
599 #ifdef CONFIG_BCM63XX_CPU_6345
600 &board_96345gw2,
601 #endif
602 #ifdef CONFIG_BCM63XX_CPU_6348
603 &board_96348r,
604 &board_96348gw,
605 &board_96348gw_10,
606 &board_96348gw_11,
607 &board_FAST2404,
608 &board_DV201AMR,
609 &board_96348gw_a,
610 &board_rta1025w_16,
611 #endif
612
613 #ifdef CONFIG_BCM63XX_CPU_6358
614 &board_96358vw,
615 &board_96358vw2,
616 &board_AGPFS0,
617 &board_DWVS0,
618 #endif
619 };
620
621 /*
622 * Register a sane SPROMv2 to make the on-board
623 * bcm4318 WLAN work
624 */
625 #ifdef CONFIG_SSB_PCIHOST
626 static struct ssb_sprom bcm63xx_sprom = {
627 .revision = 0x02,
628 .board_rev = 0x17,
629 .country_code = 0x0,
630 .ant_available_bg = 0x3,
631 .pa0b0 = 0x15ae,
632 .pa0b1 = 0xfa85,
633 .pa0b2 = 0xfe8d,
634 .pa1b0 = 0xffff,
635 .pa1b1 = 0xffff,
636 .pa1b2 = 0xffff,
637 .gpio0 = 0xff,
638 .gpio1 = 0xff,
639 .gpio2 = 0xff,
640 .gpio3 = 0xff,
641 .maxpwr_bg = 0x004c,
642 .itssi_bg = 0x00,
643 .boardflags_lo = 0x2848,
644 .boardflags_hi = 0x0000,
645 };
646
647 int bcm63xx_get_fallback_sprom(struct ssb_bus *bus, struct ssb_sprom *out)
648 {
649 if (bus->bustype == SSB_BUSTYPE_PCI) {
650 memcpy(out, &bcm63xx_sprom, sizeof(struct ssb_sprom));
651 return 0;
652 } else {
653 printk(KERN_ERR PFX "unable to fill SPROM for given bustype.\n");
654 return -EINVAL;
655 }
656 }
657 #endif
658
659 /*
660 * return board name for /proc/cpuinfo
661 */
662 const char *board_get_name(void)
663 {
664 return board.name;
665 }
666
667 /*
668 * register & return a new board mac address
669 */
670 static int board_get_mac_address(u8 *mac)
671 {
672 u8 *p;
673 int count;
674
675 if (mac_addr_used >= nvram.mac_addr_count) {
676 printk(KERN_ERR PFX "not enough mac address\n");
677 return -ENODEV;
678 }
679
680 memcpy(mac, nvram.mac_addr_base, ETH_ALEN);
681 p = mac + ETH_ALEN - 1;
682 count = mac_addr_used;
683
684 while (count--) {
685 do {
686 (*p)++;
687 if (*p != 0)
688 break;
689 p--;
690 } while (p != mac);
691 }
692
693 if (p == mac) {
694 printk(KERN_ERR PFX "unable to fetch mac address\n");
695 return -ENODEV;
696 }
697
698 mac_addr_used++;
699 return 0;
700 }
701
702 /*
703 * early init callback, read nvram data from flash and checksum it
704 */
705 void __init board_prom_init(void)
706 {
707 unsigned int check_len, i;
708 u8 *boot_addr, *cfe, *p;
709 char cfe_version[32];
710 u32 val;
711
712 /* read base address of boot chip select (0)
713 * 6345 does not have MPI but boots from standard
714 * MIPS Flash address */
715 if (BCMCPU_IS_6345())
716 val = 0x1fc00000;
717 else {
718 val = bcm_mpi_readl(MPI_CSBASE_REG(0));
719 val &= MPI_CSBASE_BASE_MASK;
720 }
721 boot_addr = (u8 *)KSEG1ADDR(val);
722
723 /* dump cfe version */
724 cfe = boot_addr + BCM963XX_CFE_VERSION_OFFSET;
725 if (!memcmp(cfe, "cfe-v", 5))
726 snprintf(cfe_version, sizeof(cfe_version), "%u.%u.%u-%u.%u",
727 cfe[5], cfe[6], cfe[7], cfe[8], cfe[9]);
728 else
729 strcpy(cfe_version, "unknown");
730 printk(KERN_INFO PFX "CFE version: %s\n", cfe_version);
731
732 /* extract nvram data */
733 memcpy(&nvram, boot_addr + BCM963XX_NVRAM_OFFSET, sizeof(nvram));
734
735 /* check checksum before using data */
736 if (nvram.version <= 4)
737 check_len = offsetof(struct bcm963xx_nvram, checksum_old);
738 else
739 check_len = sizeof(nvram);
740 val = 0;
741 p = (u8 *)&nvram;
742 while (check_len--)
743 val += *p;
744 if (val) {
745 printk(KERN_ERR PFX "invalid nvram checksum\n");
746 return;
747 }
748
749 /* find board by name */
750 for (i = 0; i < ARRAY_SIZE(bcm963xx_boards); i++) {
751 if (strncmp(nvram.name, bcm963xx_boards[i]->name,
752 sizeof(nvram.name)))
753 continue;
754 /* copy, board desc array is marked initdata */
755 memcpy(&board, bcm963xx_boards[i], sizeof(board));
756 break;
757 }
758
759 /* bail out if board is not found, will complain later */
760 if (!board.name[0]) {
761 char name[17];
762 memcpy(name, nvram.name, 16);
763 name[16] = 0;
764 printk(KERN_ERR PFX "unknown bcm963xx board: %s\n",
765 name);
766 return;
767 }
768
769 /* setup pin multiplexing depending on board enabled device,
770 * this has to be done this early since PCI init is done
771 * inside arch_initcall */
772 val = 0;
773
774 #ifdef CONFIG_PCI
775 if (board.has_pci) {
776 bcm63xx_pci_enabled = 1;
777 if (BCMCPU_IS_6348())
778 val |= GPIO_MODE_6348_G2_PCI;
779 }
780 #endif
781
782 if (board.has_pccard) {
783 if (BCMCPU_IS_6348())
784 val |= GPIO_MODE_6348_G1_MII_PCCARD;
785 }
786
787 if (board.has_enet0 && !board.enet0.use_internal_phy) {
788 if (BCMCPU_IS_6348())
789 val |= GPIO_MODE_6348_G3_EXT_MII |
790 GPIO_MODE_6348_G0_EXT_MII;
791 }
792
793 if (board.has_enet1 && !board.enet1.use_internal_phy) {
794 if (BCMCPU_IS_6348())
795 val |= GPIO_MODE_6348_G3_EXT_MII |
796 GPIO_MODE_6348_G0_EXT_MII;
797 }
798
799 bcm_gpio_writel(val, GPIO_MODE_REG);
800
801 /* Generate MAC address for WLAN and
802 * register our SPROM */
803 #ifdef CONFIG_SSB_PCIHOST
804 if (!board_get_mac_address(bcm63xx_sprom.il0mac)) {
805 memcpy(bcm63xx_sprom.et0mac, bcm63xx_sprom.il0mac, ETH_ALEN);
806 memcpy(bcm63xx_sprom.et1mac, bcm63xx_sprom.il0mac, ETH_ALEN);
807 if (ssb_arch_register_fallback_sprom(
808 &bcm63xx_get_fallback_sprom) < 0)
809 printk(KERN_ERR PFX "failed to register fallback SPROM\n");
810 }
811 #endif
812 }
813
814 /*
815 * second stage init callback, good time to panic if we couldn't
816 * identify on which board we're running since early printk is working
817 */
818 void __init board_setup(void)
819 {
820 if (!board.name[0])
821 panic("unable to detect bcm963xx board");
822 printk(KERN_INFO PFX "board name: %s\n", board.name);
823
824 /* make sure we're running on expected cpu */
825 if (bcm63xx_get_cpu_id() != board.expected_cpu_id)
826 panic("unexpected CPU for bcm963xx board");
827 }
828
829 static struct mtd_partition mtd_partitions[] = {
830 {
831 .name = "cfe",
832 .offset = 0x0,
833 .size = 0x40000,
834 }
835 };
836
837 static struct physmap_flash_data flash_data = {
838 .width = 2,
839 .nr_parts = ARRAY_SIZE(mtd_partitions),
840 .parts = mtd_partitions,
841 };
842
843 static struct resource mtd_resources[] = {
844 {
845 .start = 0, /* filled at runtime */
846 .end = 0, /* filled at runtime */
847 .flags = IORESOURCE_MEM,
848 }
849 };
850
851 static struct platform_device mtd_dev = {
852 .name = "physmap-flash",
853 .resource = mtd_resources,
854 .num_resources = ARRAY_SIZE(mtd_resources),
855 .dev = {
856 .platform_data = &flash_data,
857 },
858 };
859
860 static struct gpio_led_platform_data bcm63xx_led_data;
861
862 static struct platform_device bcm63xx_gpio_leds = {
863 .name = "leds-gpio",
864 .id = 0,
865 .dev.platform_data = &bcm63xx_led_data,
866 };
867
868 /*
869 * third stage init callback, register all board devices.
870 */
871 int __init board_register_devices(void)
872 {
873 u32 val;
874
875 if (board.has_uart0)
876 bcm63xx_uart_register(0);
877
878 if (board.has_uart1)
879 bcm63xx_uart_register(1);
880
881 if (board.has_pccard)
882 bcm63xx_pcmcia_register();
883
884 if (board.has_enet0 &&
885 !board_get_mac_address(board.enet0.mac_addr))
886 bcm63xx_enet_register(0, &board.enet0);
887
888 if (board.has_enet1 &&
889 !board_get_mac_address(board.enet1.mac_addr))
890 bcm63xx_enet_register(1, &board.enet1);
891
892 if (board.has_dsp)
893 bcm63xx_dsp_register(&board.dsp);
894
895 /* read base address of boot chip select (0) */
896 if (BCMCPU_IS_6345())
897 val = 0x1fc00000;
898 else {
899 val = bcm_mpi_readl(MPI_CSBASE_REG(0));
900 val &= MPI_CSBASE_BASE_MASK;
901 }
902 mtd_resources[0].start = val;
903 mtd_resources[0].end = 0x1FFFFFFF;
904
905 platform_device_register(&mtd_dev);
906
907 bcm63xx_led_data.num_leds = ARRAY_SIZE(board.leds);
908 bcm63xx_led_data.leds = board.leds;
909
910 platform_device_register(&bcm63xx_gpio_leds);
911
912 return 0;
913 }
linux-next