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[deliverable/linux.git] / arch / mips / bcm63xx / boards / board_bcm963xx.c
CommitLineData
e7300d04
MB		 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>
e7300d04
MB		 23#include <bcm63xx_dev_pci.h>
24#include <bcm63xx_dev_enet.h>
25#include <bcm63xx_dev_dsp.h>
553d6d5f 26#include <bcm63xx_dev_pcmcia.h>
e7300d04
MB		 27#include <board_bcm963xx.h>
28
29#define PFX "board_bcm963xx: "
30
31static struct bcm963xx_nvram nvram;
32static unsigned int mac_addr_used;
33static struct board_info board;
34
35/*
36 * known 6338 boards
37 */
38#ifdef CONFIG_BCM63XX_CPU_6338
39static 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
81static 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
126static 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
136static 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
179static 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
238static 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
291static 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
348static struct board_info __initdata board_FAST2404 = {
05c69468
FF		 349 .name = "F@ST2404",
350 .expected_cpu_id = 0x6348,
e7300d04 351
05c69468
FF		 352 .has_enet0 = 1,
353 .has_enet1 = 1,
354 .has_pci = 1,
e7300d04 355
05c69468
FF		 356 .enet0 = {
357 .has_phy = 1,
358 .use_internal_phy = 1,
359 },
e7300d04 360
05c69468
FF		 361 .enet1 = {
362 .force_speed_100 = 1,
363 .force_duplex_full = 1,
364 },
e7300d04 365
05c69468
FF		 366 .has_ohci0 = 1,
367 .has_pccard = 1,
368 .has_ehci0 = 1,
e7300d04
MB		 369};
370
371static struct board_info __initdata board_DV201AMR = {
372 .name = "DV201AMR",
373 .expected_cpu_id = 0x6348,
374
375 .has_pci = 1,
376 .has_ohci0 = 1,
377
378 .has_enet0 = 1,
379 .has_enet1 = 1,
380 .enet0 = {
381 .has_phy = 1,
382 .use_internal_phy = 1,
383 },
384 .enet1 = {
385 .force_speed_100 = 1,
386 .force_duplex_full = 1,
387 },
388};
389
390static struct board_info __initdata board_96348gw_a = {
391 .name = "96348GW-A",
392 .expected_cpu_id = 0x6348,
393
394 .has_enet0 = 1,
395 .has_enet1 = 1,
396 .has_pci = 1,
397
398 .enet0 = {
399 .has_phy = 1,
400 .use_internal_phy = 1,
401 },
402 .enet1 = {
403 .force_speed_100 = 1,
404 .force_duplex_full = 1,
405 },
406
407 .has_ohci0 = 1,
408};
409#endif
410
411/*
412 * known 6358 boards
413 */
414#ifdef CONFIG_BCM63XX_CPU_6358
415static struct board_info __initdata board_96358vw = {
416 .name = "96358VW",
417 .expected_cpu_id = 0x6358,
418
419 .has_enet0 = 1,
420 .has_enet1 = 1,
421 .has_pci = 1,
422
423 .enet0 = {
424 .has_phy = 1,
425 .use_internal_phy = 1,
426 },
427
428 .enet1 = {
429 .force_speed_100 = 1,
430 .force_duplex_full = 1,
431 },
432
433
434 .has_ohci0 = 1,
435 .has_pccard = 1,
436 .has_ehci0 = 1,
437
438 .leds = {
439 {
440 .name = "adsl-fail",
441 .gpio = 15,
442 .active_low = 1,
443 },
444 {
445 .name = "ppp",
446 .gpio = 22,
447 .active_low = 1,
448 },
449 {
450 .name = "ppp-fail",
451 .gpio = 23,
452 .active_low = 1,
453 },
454 {
455 .name = "power",
456 .gpio = 4,
457 .default_trigger = "default-on",
458 },
459 {
460 .name = "stop",
461 .gpio = 5,
462 },
463 },
464};
465
466static struct board_info __initdata board_96358vw2 = {
467 .name = "96358VW2",
468 .expected_cpu_id = 0x6358,
469
470 .has_enet0 = 1,
471 .has_enet1 = 1,
472 .has_pci = 1,
473
474 .enet0 = {
475 .has_phy = 1,
476 .use_internal_phy = 1,
477 },
478
479 .enet1 = {
480 .force_speed_100 = 1,
481 .force_duplex_full = 1,
482 },
483
484
485 .has_ohci0 = 1,
486 .has_pccard = 1,
487 .has_ehci0 = 1,
488
489 .leds = {
490 {
491 .name = "adsl",
492 .gpio = 22,
493 .active_low = 1,
494 },
495 {
496 .name = "ppp-fail",
497 .gpio = 23,
498 },
499 {
500 .name = "power",
501 .gpio = 5,
502 .active_low = 1,
503 .default_trigger = "default-on",
504 },
505 {
506 .name = "stop",
507 .gpio = 4,
508 .active_low = 1,
509 },
510 },
511};
512
513static struct board_info __initdata board_AGPFS0 = {
514 .name = "AGPF-S0",
515 .expected_cpu_id = 0x6358,
516
517 .has_enet0 = 1,
518 .has_enet1 = 1,
519 .has_pci = 1,
520
521 .enet0 = {
522 .has_phy = 1,
523 .use_internal_phy = 1,
524 },
525
526 .enet1 = {
527 .force_speed_100 = 1,
528 .force_duplex_full = 1,
529 },
530
531 .has_ohci0 = 1,
532 .has_ehci0 = 1,
533};
534#endif
535
536/*
537 * all boards
538 */
539static const struct board_info __initdata *bcm963xx_boards[] = {
540#ifdef CONFIG_BCM63XX_CPU_6338
541 &board_96338gw,
542 &board_96338w,
543#endif
544#ifdef CONFIG_BCM63XX_CPU_6345
545 &board_96345gw2,
546#endif
547#ifdef CONFIG_BCM63XX_CPU_6348
548 &board_96348r,
549 &board_96348gw,
550 &board_96348gw_10,
551 &board_96348gw_11,
552 &board_FAST2404,
553 &board_DV201AMR,
554 &board_96348gw_a,
555#endif
556
557#ifdef CONFIG_BCM63XX_CPU_6358
558 &board_96358vw,
559 &board_96358vw2,
560 &board_AGPFS0,
561#endif
562};
563
564/*
565 * early init callback, read nvram data from flash and checksum it
566 */
567void __init board_prom_init(void)
568{
569 unsigned int check_len, i;
570 u8 *boot_addr, *cfe, *p;
571 char cfe_version[32];
572 u32 val;
573
574 /* read base address of boot chip select (0)
575 * 6345 does not have MPI but boots from standard
576 * MIPS Flash address */
577 if (BCMCPU_IS_6345())
578 val = 0x1fc00000;
579 else {
580 val = bcm_mpi_readl(MPI_CSBASE_REG(0));
581 val &= MPI_CSBASE_BASE_MASK;
582 }
583 boot_addr = (u8 *)KSEG1ADDR(val);
584
585 /* dump cfe version */
586 cfe = boot_addr + BCM963XX_CFE_VERSION_OFFSET;
587 if (!memcmp(cfe, "cfe-v", 5))
588 snprintf(cfe_version, sizeof(cfe_version), "%u.%u.%u-%u.%u",
589 cfe[5], cfe[6], cfe[7], cfe[8], cfe[9]);
590 else
591 strcpy(cfe_version, "unknown");
592 printk(KERN_INFO PFX "CFE version: %s\n", cfe_version);
593
594 /* extract nvram data */
595 memcpy(&nvram, boot_addr + BCM963XX_NVRAM_OFFSET, sizeof(nvram));
596
597 /* check checksum before using data */
598 if (nvram.version <= 4)
599 check_len = offsetof(struct bcm963xx_nvram, checksum_old);
600 else
601 check_len = sizeof(nvram);
602 val = 0;
603 p = (u8 *)&nvram;
604 while (check_len--)
605 val += *p;
606 if (val) {
607 printk(KERN_ERR PFX "invalid nvram checksum\n");
608 return;
609 }
610
611 /* find board by name */
612 for (i = 0; i < ARRAY_SIZE(bcm963xx_boards); i++) {
613 if (strncmp(nvram.name, bcm963xx_boards[i]->name,
614 sizeof(nvram.name)))
615 continue;
616 /* copy, board desc array is marked initdata */
617 memcpy(&board, bcm963xx_boards[i], sizeof(board));
618 break;
619 }
620
621 /* bail out if board is not found, will complain later */
622 if (!board.name[0]) {
623 char name[17];
624 memcpy(name, nvram.name, 16);
625 name[16] = 0;
626 printk(KERN_ERR PFX "unknown bcm963xx board: %s\n",
627 name);
628 return;
629 }
630
631 /* setup pin multiplexing depending on board enabled device,
632 * this has to be done this early since PCI init is done
633 * inside arch_initcall */
634 val = 0;
635
636#ifdef CONFIG_PCI
637 if (board.has_pci) {
638 bcm63xx_pci_enabled = 1;
639 if (BCMCPU_IS_6348())
640 val |= GPIO_MODE_6348_G2_PCI;
641 }
642#endif
643
644 if (board.has_pccard) {
645 if (BCMCPU_IS_6348())
646 val |= GPIO_MODE_6348_G1_MII_PCCARD;
647 }
648
649 if (board.has_enet0 && !board.enet0.use_internal_phy) {
650 if (BCMCPU_IS_6348())
651 val |= GPIO_MODE_6348_G3_EXT_MII |
652 GPIO_MODE_6348_G0_EXT_MII;
653 }
654
655 if (board.has_enet1 && !board.enet1.use_internal_phy) {
656 if (BCMCPU_IS_6348())
657 val |= GPIO_MODE_6348_G3_EXT_MII |
658 GPIO_MODE_6348_G0_EXT_MII;
659 }
660
661 bcm_gpio_writel(val, GPIO_MODE_REG);
662}
663
664/*
665 * second stage init callback, good time to panic if we couldn't
666 * identify on which board we're running since early printk is working
667 */
668void __init board_setup(void)
669{
670 if (!board.name[0])
671 panic("unable to detect bcm963xx board");
672 printk(KERN_INFO PFX "board name: %s\n", board.name);
673
674 /* make sure we're running on expected cpu */
675 if (bcm63xx_get_cpu_id() != board.expected_cpu_id)
676 panic("unexpected CPU for bcm963xx board");
677}
678
679/*
680 * return board name for /proc/cpuinfo
681 */
682const char *board_get_name(void)
683{
684 return board.name;
685}
686
687/*
688 * register & return a new board mac address
689 */
690static int board_get_mac_address(u8 *mac)
691{
692 u8 *p;
693 int count;
694
695 if (mac_addr_used >= nvram.mac_addr_count) {
696 printk(KERN_ERR PFX "not enough mac address\n");
697 return -ENODEV;
698 }
699
700 memcpy(mac, nvram.mac_addr_base, ETH_ALEN);
701 p = mac + ETH_ALEN - 1;
702 count = mac_addr_used;
703
704 while (count--) {
705 do {
706 (*p)++;
707 if (*p != 0)
708 break;
709 p--;
710 } while (p != mac);
711 }
712
713 if (p == mac) {
714 printk(KERN_ERR PFX "unable to fetch mac address\n");
715 return -ENODEV;
716 }
717
718 mac_addr_used++;
719 return 0;
720}
721
722static struct mtd_partition mtd_partitions[] = {
723 {
724 .name = "cfe",
725 .offset = 0x0,
726 .size = 0x40000,
727 }
728};
729
730static struct physmap_flash_data flash_data = {
731 .width = 2,
732 .nr_parts = ARRAY_SIZE(mtd_partitions),
733 .parts = mtd_partitions,
734};
735
736static struct resource mtd_resources[] = {
737 {
738 .start = 0, /* filled at runtime */
739 .end = 0, /* filled at runtime */
740 .flags = IORESOURCE_MEM,
741 }
742};
743
744static struct platform_device mtd_dev = {
745 .name = "physmap-flash",
746 .resource = mtd_resources,
747 .num_resources = ARRAY_SIZE(mtd_resources),
748 .dev = {
749 .platform_data = &flash_data,
750 },
751};
752
753/*
754 * Register a sane SPROMv2 to make the on-board
755 * bcm4318 WLAN work
756 */
757#ifdef CONFIG_SSB_PCIHOST
758static struct ssb_sprom bcm63xx_sprom = {
759 .revision = 0x02,
760 .board_rev = 0x17,
761 .country_code = 0x0,
762 .ant_available_bg = 0x3,
763 .pa0b0 = 0x15ae,
764 .pa0b1 = 0xfa85,
765 .pa0b2 = 0xfe8d,
766 .pa1b0 = 0xffff,
767 .pa1b1 = 0xffff,
768 .pa1b2 = 0xffff,
769 .gpio0 = 0xff,
770 .gpio1 = 0xff,
771 .gpio2 = 0xff,
772 .gpio3 = 0xff,
773 .maxpwr_bg = 0x004c,
774 .itssi_bg = 0x00,
775 .boardflags_lo = 0x2848,
776 .boardflags_hi = 0x0000,
777};
778#endif
779
780static struct gpio_led_platform_data bcm63xx_led_data;
781
782static struct platform_device bcm63xx_gpio_leds = {
783 .name = "leds-gpio",
784 .id = 0,
785 .dev.platform_data = &bcm63xx_led_data,
786};
787
788/*
789 * third stage init callback, register all board devices.
790 */
791int __init board_register_devices(void)
792{
793 u32 val;
794
553d6d5f
MB		 795 if (board.has_pccard)
796 bcm63xx_pcmcia_register();
797
e7300d04
MB		 798 if (board.has_enet0 &&
799 !board_get_mac_address(board.enet0.mac_addr))
800 bcm63xx_enet_register(0, &board.enet0);
801
802 if (board.has_enet1 &&
803 !board_get_mac_address(board.enet1.mac_addr))
804 bcm63xx_enet_register(1, &board.enet1);
805
806 if (board.has_dsp)
807 bcm63xx_dsp_register(&board.dsp);
808
809 /* Generate MAC address for WLAN and
810 * register our SPROM */
811#ifdef CONFIG_SSB_PCIHOST
812 if (!board_get_mac_address(bcm63xx_sprom.il0mac)) {
813 memcpy(bcm63xx_sprom.et0mac, bcm63xx_sprom.il0mac, ETH_ALEN);
814 memcpy(bcm63xx_sprom.et1mac, bcm63xx_sprom.il0mac, ETH_ALEN);
815 if (ssb_arch_set_fallback_sprom(&bcm63xx_sprom) < 0)
816 printk(KERN_ERR "failed to register fallback SPROM\n");
817 }
818#endif
819
820 /* read base address of boot chip select (0) */
821 if (BCMCPU_IS_6345())
822 val = 0x1fc00000;
823 else {
824 val = bcm_mpi_readl(MPI_CSBASE_REG(0));
825 val &= MPI_CSBASE_BASE_MASK;
826 }
827 mtd_resources[0].start = val;
828 mtd_resources[0].end = 0x1FFFFFFF;
829
830 platform_device_register(&mtd_dev);
831
832 bcm63xx_led_data.num_leds = ARRAY_SIZE(board.leds);
833 bcm63xx_led_data.leds = board.leds;
834
835 platform_device_register(&bcm63xx_gpio_leds);
836
837 return 0;
838}
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