[brcm63xx] register GPIO-connected LEDs for known boards
[openwrt.git] / target / linux / brcm63xx / files / arch / mips / bcm63xx / boards / board_bcm963xx.c
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) 2009 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_board.h>
24 #include <bcm63xx_dev_pci.h>
25 #include <bcm63xx_dev_uart.h>
26 #include <bcm63xx_dev_wdt.h>
27 #include <bcm63xx_dev_enet.h>
28 #include <bcm63xx_dev_dsp.h>
29 #include <bcm63xx_dev_pcmcia.h>
30 #include <bcm63xx_dev_usb_ohci.h>
31 #include <bcm63xx_dev_usb_ehci.h>
32 #include <bcm63xx_dev_usb_udc.h>
33 #include <bcm63xx_dev_spi.h>
34 #include <board_bcm963xx.h>
35
36 #define PFX     "board_bcm963xx: "
37
38 static struct bcm963xx_nvram nvram;
39 static unsigned int mac_addr_used = 0;
40 static struct board_info board;
41
42 /*
43  * known 6338 boards
44  */
45
46 #ifdef CONFIG_BCM63XX_CPU_6338
47 static struct board_info __initdata board_96338gw = {
48         .name                           = "96338GW",
49         .expected_cpu_id                = 0x6338,
50         
51         .has_enet0                      = 1,
52         .enet0 = {
53                 .force_speed_100        = 1,
54                 .force_duplex_full      = 1,
55         },
56
57         .has_ohci0                      = 1,
58
59         .leds = {
60                 {
61                         .name           = "adsl",
62                         .gpio           = 3,
63                         .active_low     = 1,
64                 },
65                 {
66                         .name           = "ses",
67                         .gpio           = 5,
68                         .active_low     = 1,
69                 },
70                 {
71                         .name           = "ppp-fail",
72                         .gpio           = 4,
73                         .active_low     = 1,
74                 },
75                 {
76                         .name           = "power",
77                         .gpio           = 0,
78                         .active_low     = 1,
79                         .default_trigger = "default-on",
80                 },
81                 {
82                         .name           = "stop",
83                         .gpio           = 1,
84                         .active_low     = 1,
85                 }
86         },
87 };
88
89 static struct board_info __initdata board_96338w = {
90         .name                           = "96338W",
91         .expected_cpu_id                = 0x6338,
92         
93         .has_enet0                      = 1,
94         .enet0 = {
95                 .force_speed_100        = 1,
96                 .force_duplex_full      = 1,
97         },
98
99         .leds = {
100                 {
101                         .name           = "adsl",
102                         .gpio           = 3,
103                         .active_low     = 1,
104                 },
105                 {
106                         .name           = "ses",
107                         .gpio           = 5,
108                         .active_low     = 1,
109                 },
110                 {
111                         .name           = "ppp-fail",
112                         .gpio           = 4,
113                         .active_low     = 1,
114                 },
115                 {
116                         .name           = "power",
117                         .gpio           = 0,
118                         .active_low     = 1,
119                         .default_trigger = "default-on",
120                 },
121                 {
122                         .name           = "stop",
123                         .gpio           = 1,
124                         .active_low     = 1,
125                 },
126         },
127 };
128 #endif
129
130 /*
131  * known 6345 boards
132  */
133 #ifdef CONFIG_BCM63XX_CPU_6345
134 static struct board_info __initdata board_96345gw2 = {
135         .name                           = "96345GW2",
136         .expected_cpu_id                = 0x6345,
137 };
138 #endif
139
140 /*
141  * known 6348 boards
142  */
143 #ifdef CONFIG_BCM63XX_CPU_6348
144 static struct board_info __initdata board_96348r = {
145         .name                           = "96348R",
146         .expected_cpu_id                = 0x6348,
147
148         .has_enet0                      = 1,
149         .has_pci                        = 1,
150
151         .enet0 = {
152                 .has_phy                = 1,
153                 .use_internal_phy       = 1,
154         },
155
156         .leds = {
157                 {
158                         .name           = "adsl-fail",
159                         .gpio           = 2,
160                         .active_low     = 1,
161                 },
162                 {
163                         .name           = "ppp",
164                         .gpio           = 3,
165                         .active_low     = 1,
166                 },
167                 {
168                         .name           = "ppp-fail",
169                         .gpio           = 4,
170                         .active_low     = 1,
171                 },
172                 {
173                         .name           = "power",
174                         .gpio           = 0,
175                         .active_low     = 1,
176                         .default_trigger = "default-on",
177                         
178                 },
179                 {
180                         .name           = "stop",
181                         .gpio           = 1,
182                         .active_low     = 1,
183                 },
184         },
185 };
186
187 static struct board_info __initdata board_96348gw_10 = { 
188         .name                           = "96348GW-10",
189         .expected_cpu_id                = 0x6348,
190         
191         .has_enet0                      = 1,
192         .has_enet1                      = 1,
193         .has_pci                        = 1, 
194         
195         .enet0 = {
196                 .has_phy                = 1,
197                 .use_internal_phy       = 1,
198         },
199         .enet1 = {
200                 .force_speed_100        = 1,
201                 .force_duplex_full      = 1,
202         },
203         
204         .has_ohci0                      = 1,
205         .has_pccard                     = 1,
206         .has_ehci0                      = 1,
207
208         .has_dsp                        = 1,
209         .dsp = {
210                 .gpio_rst               = 6,
211                 .gpio_int               = 34,
212                 .cs                     = 2,
213                 .ext_irq                = 2,
214         },
215         
216         .leds = {
217                 {
218                         .name           = "adsl-fail",
219                         .gpio           = 2,
220                         .active_low     = 1,
221                 },
222                 {
223                         .name           = "ppp",
224                         .gpio           = 3,
225                         .active_low     = 1,
226                 },
227                 {
228                         .name           = "ppp-fail",
229                         .gpio           = 4,
230                         .active_low     = 1,
231                 },
232                 {
233                         .name           = "power",
234                         .gpio           = 0,
235                         .active_low     = 1,
236                         .default_trigger = "default-on",
237                 },
238                 {
239                         .name           = "stop",
240                         .gpio           = 1,
241                         .active_low     = 1,
242                 },
243         },
244 }; 
245
246 static struct board_info __initdata board_96348gw_11 = {
247         .name                           = "96348GW-11",
248         .expected_cpu_id                = 0x6348,
249
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_enet0                      = 1,
304         .has_enet1                      = 1,
305         .has_pci                        = 1,
306
307         .enet0 = {
308                 .has_phy                = 1,
309                 .use_internal_phy       = 1,
310         },
311         .enet1 = {
312                 .force_speed_100        = 1,
313                 .force_duplex_full      = 1,
314         },
315
316         .has_ohci0                      = 1,
317         .has_dsp                        = 1,
318         
319         .dsp = {
320                 .gpio_rst               = 6,
321                 .gpio_int               = 34,
322                 .ext_irq                = 2,
323                 .cs                     = 2,
324         },
325         
326         .leds = {
327                 {
328                         .name           = "adsl-fail",
329                         .gpio           = 2,
330                         .active_low     = 1,
331                 },
332                 {
333                         .name           = "ppp",
334                         .gpio           = 3,
335                         .active_low     = 1,
336                 },
337                 {
338                         .name           = "ppp-fail",
339                         .gpio           = 4,
340                         .active_low     = 1,
341                 },
342                 {
343                         .name           = "power",
344                         .gpio           = 0,
345                         .active_low     = 1,
346                         .default_trigger = "default-on",
347                 },
348                 {
349                         .name           = "stop",
350                         .gpio           = 1,
351                         .active_low     = 1,
352                 },
353         },
354 };
355
356 static struct board_info __initdata board_FAST2404 = {
357         .name                           = "F@ST2404",
358         .expected_cpu_id                = 0x6348,
359
360         .has_enet0                      = 1,
361         .has_enet1                      = 1,
362         .has_pci                        = 1,
363
364         .enet0 = {
365                 .has_phy                = 1,
366                 .use_internal_phy       = 1,
367         },
368
369         .enet1 = {
370                 .force_speed_100        = 1,
371                 .force_duplex_full      = 1,
372         },
373
374
375         .has_ohci0 = 1,
376         .has_pccard = 1,
377         .has_ehci0 = 1,
378 };
379
380 static struct board_info __initdata board_DV201AMR = {
381         .name                           = "DV201AMR",
382         .expected_cpu_id                = 0x6348,
383
384         .has_pci                        = 1,
385         .has_ohci0                      = 1,
386         .has_udc0                       = 1,
387
388         .has_enet0                      = 1,
389         .has_enet1                      = 1,
390         .enet0 = {
391                 .has_phy                = 1,
392                 .use_internal_phy       = 1,
393         },
394         .enet1 = {
395                 .force_speed_100        = 1,
396                 .force_duplex_full      = 1,
397         },
398 };
399
400 static struct board_info __initdata board_96348gw_a = {
401         .name                           = "96348GW-A",
402         .expected_cpu_id                = 0x6348,
403
404         .has_enet0                      = 1,
405         .has_enet1                      = 1,
406         .has_pci                        = 1,
407
408         .enet0 = {
409                 .has_phy                = 1,
410                 .use_internal_phy       = 1,
411         },
412         .enet1 = {
413                 .force_speed_100        = 1,
414                 .force_duplex_full      = 1,
415         },
416
417         .has_ohci0 = 1,
418 };
419
420
421 #endif
422
423 /*
424  * known 6358 boards
425  */
426 #ifdef CONFIG_BCM63XX_CPU_6358
427 static struct board_info __initdata board_96358vw = {
428         .name                           = "96358VW",
429         .expected_cpu_id                = 0x6358,
430
431         .has_enet0                      = 1,
432         .has_enet1                      = 1,
433         .has_pci                        = 1,
434
435         .enet0 = {
436                 .has_phy                = 1,
437                 .use_internal_phy       = 1,
438         },
439
440         .enet1 = {
441                 .force_speed_100        = 1,
442                 .force_duplex_full      = 1,
443         },
444
445
446         .has_ohci0 = 1,
447         .has_pccard = 1,
448         .has_ehci0 = 1,
449         
450         .leds = {
451                 {
452                         .name           = "adsl-fail",
453                         .gpio           = 15,
454                         .active_low     = 1,
455                 },
456                 {
457                         .name           = "ppp",
458                         .gpio           = 22,
459                         .active_low     = 1,
460                 },
461                 {
462                         .name           = "ppp-fail",
463                         .gpio           = 23,
464                         .active_low     = 1,
465                 },
466                 {
467                         .name           = "power",
468                         .gpio           = 4,
469                         .default_trigger = "default-on",
470                 },
471                 {
472                         .name           = "stop",
473                         .gpio           = 5,
474                 },
475         },
476 };
477
478 static struct board_info __initdata board_96358vw2 = {
479         .name                           = "96358VW2",
480         .expected_cpu_id                = 0x6358,
481
482         .has_enet0                      = 1,
483         .has_enet1                      = 1,
484         .has_pci                        = 1,
485
486         .enet0 = {
487                 .has_phy                = 1,
488                 .use_internal_phy       = 1,
489         },
490
491         .enet1 = {
492                 .force_speed_100        = 1,
493                 .force_duplex_full      = 1,
494         },
495
496
497         .has_ohci0 = 1,
498         .has_pccard = 1,
499         .has_ehci0 = 1,
500
501         .leds = {
502                 {
503                         .name           = "adsl",
504                         .gpio           = 22,
505                         .active_low     = 1,
506                 },
507                 {
508                         .name           = "ppp-fail",
509                         .gpio           = 23,
510                 },
511                 {
512                         .name           = "power",
513                         .gpio           = 5,
514                         .active_low     = 1,
515                         .default_trigger = "default-on",
516                 },
517                 {
518                         .name           = "stop",
519                         .gpio           = 4,
520                         .active_low     = 1,
521                 },
522         },
523 };
524
525 static struct board_info __initdata board_AGPFS0 = {
526         .name                           = "AGPF-S0",
527         .expected_cpu_id                = 0x6358,
528
529         .has_enet0                      = 1,
530         .has_enet1                      = 1,
531         .has_pci                        = 1,
532
533         .enet0 = {
534                 .has_phy                = 1,
535                 .use_internal_phy       = 1,
536         },
537
538         .enet1 = {
539                 .force_speed_100        = 1,
540                 .force_duplex_full      = 1,
541         },
542
543         .has_ohci0 = 1,
544         .has_ehci0 = 1,
545 };
546 #endif
547
548 /*
549  * all boards
550  */
551 static const struct board_info __initdata *bcm963xx_boards[] = {
552 #ifdef CONFIG_BCM63XX_CPU_6338
553         &board_96338gw,
554         &board_96338w,
555 #endif
556 #ifdef CONFIG_BCM63XX_CPU_6345
557         &board_96345gw2,
558 #endif
559 #ifdef CONFIG_BCM63XX_CPU_6348
560         &board_96348r,
561         &board_96348gw,
562         &board_96348gw_10,
563         &board_96348gw_11,
564         &board_FAST2404,
565         &board_DV201AMR,
566         &board_96348gw_a,
567 #endif
568
569 #ifdef CONFIG_BCM63XX_CPU_6358
570         &board_96358vw,
571         &board_96358vw2,
572         &board_AGPFS0,
573 #endif
574 };
575
576 /*
577  * early init callback, read nvram data from flash and checksum it
578  */
579 void __init board_prom_init(void)
580 {
581         unsigned int check_len, i;
582         u8 *boot_addr, *cfe, *p;
583         char cfe_version[32];
584         u32 val;
585
586         /* read base address of boot chip select (0) 
587          * 6345 does not have MPI but boots from standard
588          * MIPS Flash address */
589         if (BCMCPU_IS_6345())
590                 val = 0x1fc00000;
591         else {
592                 val = bcm_mpi_readl(MPI_CSBASE_REG(0));
593                 val &= MPI_CSBASE_BASE_MASK;
594         }
595         boot_addr = (u8 *)KSEG1ADDR(val);
596
597         /* dump cfe version */
598         cfe = boot_addr + BCM963XX_CFE_VERSION_OFFSET;
599         if (!memcmp(cfe, "cfe-v", 5))
600                 snprintf(cfe_version, sizeof(cfe_version), "%u.%u.%u-%u.%u",
601                          cfe[5], cfe[6], cfe[7], cfe[8], cfe[9]);
602         else
603                 strcpy(cfe_version, "unknown");
604         printk(KERN_INFO PFX "CFE version: %s\n", cfe_version);
605
606         /* extract nvram data */
607         memcpy(&nvram, boot_addr + BCM963XX_NVRAM_OFFSET, sizeof(nvram));
608
609         /* check checksum before using data */
610         if (nvram.version <= 4)
611                 check_len = offsetof(struct bcm963xx_nvram, checksum_old);
612         else
613                 check_len = sizeof(nvram);
614         val = 0;
615         p = (u8 *)&nvram;
616         while (check_len--)
617                 val += *p;
618         if (val) {
619                 printk(KERN_ERR PFX "invalid nvram checksum\n");
620                 return;
621         }
622
623         /* find board by name */
624         for (i = 0; i < ARRAY_SIZE(bcm963xx_boards); i++) {
625                 if (strncmp(nvram.name, bcm963xx_boards[i]->name,
626                             sizeof(nvram.name)))
627                         continue;
628                 /* copy, board desc array is marked initdata */
629                 memcpy(&board, bcm963xx_boards[i], sizeof(board));
630                 break;
631         }
632
633         /* bail out if board is not found, will complain later */
634         if (!board.name[0]) {
635                 char name[17];
636                 memcpy(name, nvram.name, 16);
637                 name[16] = 0;
638                 printk(KERN_ERR PFX "unknown bcm963xx board: %s\n",
639                        name);
640                 return;
641         }
642
643         /* setup pin multiplexing depending on board enabled device,
644          * this has to be done this early since PCI init is done
645          * inside arch_initcall */
646         val = 0;
647 #ifdef CONFIG_PCI
648         if (board.has_pci) {
649                 bcm63xx_pci_enabled = 1;
650                 if (BCMCPU_IS_6348())
651                         val |= GPIO_MODE_6348_G2_PCI;
652         }
653 #endif
654         if (board.has_pccard) {
655                 if (BCMCPU_IS_6348())
656                         val |= GPIO_MODE_6348_G1_MII_PCCARD;
657         }
658
659         if (board.has_enet0 && !board.enet0.use_internal_phy) {
660                 if (BCMCPU_IS_6348())
661                         val |= GPIO_MODE_6348_G3_EXT_MII |
662                                 GPIO_MODE_6348_G0_EXT_MII;
663         }
664
665         if (board.has_enet1 && !board.enet1.use_internal_phy) {
666                 if (BCMCPU_IS_6348())
667                         val |= GPIO_MODE_6348_G3_EXT_MII |
668                                 GPIO_MODE_6348_G0_EXT_MII;
669         }
670
671         bcm_gpio_writel(val, GPIO_MODE_REG);
672 }
673
674 /*
675  * second stage init callback, good time to panic if we couldn't
676  * identify on which board we're running since early printk is working
677  */
678 void __init board_setup(void)
679 {
680         if (!board.name[0])
681                 panic("unable to detect bcm963xx board");
682         printk(KERN_INFO PFX "board name: %s\n", board.name);
683
684         /* make sure we're running on expected cpu */
685         if (bcm63xx_get_cpu_id() != board.expected_cpu_id)
686                 panic("unexpected CPU for bcm963xx board");
687 }
688
689 /*
690  * return board name for /proc/cpuinfo
691  */
692 const char *board_get_name(void)
693 {
694         return board.name;
695 }
696
697 /*
698  * register & return a new board mac address
699  */
700 static int board_get_mac_address(u8 *mac)
701 {
702         u8 *p;
703         int count;
704
705         if (mac_addr_used >= nvram.mac_addr_count) {
706                 printk(KERN_ERR PFX "not enough mac address\n");
707                 return -ENODEV;
708         }
709
710         memcpy(mac, nvram.mac_addr_base, ETH_ALEN);
711         p = mac + ETH_ALEN - 1;
712         count = mac_addr_used;
713
714         while (count--) {
715                 do {
716                         (*p)++;
717                         if (*p != 0)
718                                 break;
719                         p--;
720                 } while (p != mac);
721         }
722
723         if (p == mac) {
724                 printk(KERN_ERR PFX "unable to fetch mac address\n");
725                 return -ENODEV;
726         }
727
728         mac_addr_used++;
729         return 0;
730 }
731
732 static struct resource mtd_resources[] = {
733         {
734                 .start          = 0,    /* filled at runtime */
735                 .end            = 0,    /* filled at runtime */
736                 .flags          = IORESOURCE_MEM,
737         }
738 };
739
740 static struct platform_device mtd_dev = {
741         .name                   = "bcm963xx-flash",
742         .resource               = mtd_resources,
743         .num_resources          = ARRAY_SIZE(mtd_resources),
744 };
745
746 /*
747  * Register a sane SPROMv2 to make the on-board
748  * bcm4318 WLAN work
749  */
750 static struct ssb_sprom bcm63xx_sprom = {
751         .revision               = 0x02,
752         .board_rev              = 0x17,
753         .country_code           = 0x0,
754         .ant_available_bg       = 0x3,
755         .pa0b0                  = 0x15ae,
756         .pa0b1                  = 0xfa85,
757         .pa0b2                  = 0xfe8d,
758         .pa1b0                  = 0xffff,
759         .pa1b1                  = 0xffff,
760         .pa1b2                  = 0xffff,
761         .gpio0                  = 0xff,
762         .gpio1                  = 0xff,
763         .gpio2                  = 0xff,
764         .gpio3                  = 0xff,
765         .maxpwr_bg              = 0x004c,
766         .itssi_bg               = 0x00,
767         .boardflags_lo          = 0x2848,
768         .boardflags_hi          = 0x0000,
769 };
770
771 static struct resource gpiodev_resource = {
772         .start                  = 0xFFFFFFFF,
773 };
774
775 static struct gpio_led_platform_data bcm63xx_led_data;
776
777 static struct platform_device bcm63xx_gpio_leds = {
778         .name                   = "leds-gpio",
779         .id                     = 0,
780         .dev.platform_data      = &bcm63xx_led_data,
781 };
782
783 /*
784  * third stage init callback, register all board devices.
785  */
786 int __init board_register_devices(void)
787 {
788         u32 val;
789
790         bcm63xx_uart_register();
791         bcm63xx_wdt_register();
792         bcm63xx_spi_register();
793
794         if (board.has_pccard)
795                 bcm63xx_pcmcia_register();
796
797         if (board.has_enet0 &&
798             !board_get_mac_address(board.enet0.mac_addr))
799                 bcm63xx_enet_register(0, &board.enet0);
800
801         if (board.has_enet1 &&
802             !board_get_mac_address(board.enet1.mac_addr))
803                 bcm63xx_enet_register(1, &board.enet1);
804
805         if (board.has_ohci0)
806                 bcm63xx_ohci_register();
807
808         if (board.has_ehci0)
809                 bcm63xx_ehci_register();
810
811         if (board.has_udc0)
812                 bcm63xx_udc_register();
813
814         if (board.has_dsp)
815                 bcm63xx_dsp_register(&board.dsp);
816         
817         /* Generate MAC address for WLAN and
818          * register our SPROM */
819 #ifdef CONFIG_PCI
820         if (!board_get_mac_address(bcm63xx_sprom.il0mac)) {
821                 memcpy(bcm63xx_sprom.et0mac, bcm63xx_sprom.il0mac, ETH_ALEN);
822                 memcpy(bcm63xx_sprom.et1mac, bcm63xx_sprom.il0mac, ETH_ALEN);
823                 if (ssb_arch_set_fallback_sprom(&bcm63xx_sprom) < 0)
824                         printk(KERN_ERR "failed to register fallback SPROM\n");
825         }
826 #endif
827
828         /* read base address of boot chip select (0) */
829         if (BCMCPU_IS_6345())
830                 val = 0x1fc0000;
831         else {
832                 val = bcm_mpi_readl(MPI_CSBASE_REG(0));
833                 val &= MPI_CSBASE_BASE_MASK;
834         }
835         mtd_resources[0].start = val;
836         mtd_resources[0].end = 0x1FFFFFFF;
837
838         platform_device_register(&mtd_dev);
839
840         /* Register GPIODEV */
841         platform_device_register_simple("GPIODEV", 0, &gpiodev_resource, 1);
842
843         bcm63xx_led_data.num_leds = ARRAY_SIZE(board.leds);
844         bcm63xx_led_data.leds = board.leds;
845
846         platform_device_register(&bcm63xx_gpio_leds);
847
848         return 0;
849 }
850