[brcm63xx] provide a sane SPROMv2 to make on-board bcm4318 card work, thanks mb__
[openwrt/svn-archive/archive.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 */
8
9 #include <linux/init.h>
10 #include <linux/kernel.h>
11 #include <linux/string.h>
12 #include <linux/platform_device.h>
13 #include <linux/mtd/mtd.h>
14 #include <linux/mtd/partitions.h>
15 #include <linux/mtd/physmap.h>
16 #include <linux/ssb/ssb.h>
17 #include <asm/addrspace.h>
18 #include <bcm63xx_board.h>
19 #include <bcm63xx_cpu.h>
20 #include <bcm63xx_regs.h>
21 #include <bcm63xx_io.h>
22 #include <bcm63xx_board.h>
23 #include <bcm63xx_dev_pci.h>
24 #include <bcm63xx_dev_uart.h>
25 #include <bcm63xx_dev_wdt.h>
26 #include <bcm63xx_dev_enet.h>
27 #include <bcm63xx_dev_pcmcia.h>
28 #include <bcm63xx_dev_usb_ohci.h>
29 #include <bcm63xx_dev_usb_ehci.h>
30 #include <board_bcm963xx.h>
31
32 #define PFX "board_bcm963xx: "
33
34 static struct bcm963xx_nvram nvram;
35 static unsigned int mac_addr_used = 0;
36 static struct board_info board;
37
38 /*
39 * known 6338 boards
40 */
41
42 #ifdef CONFIG_BCM63XX_CPU_6338
43 static struct board_info __initdata board_96338gw = {
44 .name = "96338GW",
45 .expected_cpu_id = 0x6338,
46
47 .has_enet0 = 1,
48 .enet0 = {
49 .has_phy = 1,
50 .use_internal_phy = 1,
51 },
52
53 .has_ohci0 = 1,
54 };
55 #endif
56
57 /*
58 * known 6348 boards
59 */
60 #ifdef CONFIG_BCM63XX_CPU_6348
61 static struct board_info __initdata board_96348r = {
62 .name = "96348R",
63 .expected_cpu_id = 0x6348,
64
65 .has_enet0 = 1,
66 .has_pci = 1,
67
68 .enet0 = {
69 .has_phy = 1,
70 .use_internal_phy = 1,
71 },
72 };
73
74 static struct board_info __initdata board_96348gw_10 = {
75 .name = "96348GW-10",
76 .expected_cpu_id = 0x6348,
77
78 .has_enet0 = 1,
79 .has_enet1 = 1,
80 .has_pci = 1,
81
82 .enet0 = {
83 .has_phy = 1,
84 .use_internal_phy = 1,
85 },
86 .enet1 = {
87 .force_speed_100 = 1,
88 .force_duplex_full = 1,
89 },
90
91 .has_ohci0 = 1,
92 .has_pccard = 1,
93 .has_ehci0 = 1,
94 };
95
96 static struct board_info __initdata board_96348gw_11 = {
97 .name = "96348GW-11",
98 .expected_cpu_id = 0x6348,
99
100 .has_enet0 = 1,
101 .has_enet1 = 1,
102 .has_pci = 1,
103
104 .enet0 = {
105 .has_phy = 1,
106 .use_internal_phy = 1,
107 },
108
109 .enet1 = {
110 .force_speed_100 = 1,
111 .force_duplex_full = 1,
112 },
113
114
115 .has_ohci0 = 1,
116 .has_pccard = 1,
117 .has_ehci0 = 1,
118 };
119
120 static struct board_info __initdata board_96348gw = {
121 .name = "96348GW",
122 .expected_cpu_id = 0x6348,
123
124 .has_enet0 = 1,
125 .has_enet1 = 1,
126 .has_pci = 1,
127
128 .enet0 = {
129 .has_phy = 1,
130 .use_internal_phy = 1,
131 },
132 .enet1 = {
133 .force_speed_100 = 1,
134 .force_duplex_full = 1,
135 },
136
137 .has_ohci0 = 1,
138 };
139
140 static struct board_info __initdata board_FAST2404 = {
141 .name = "F@ST2404",
142 .expected_cpu_id = 0x6348,
143
144 .has_enet0 = 1,
145 .has_enet1 = 1,
146 .has_pci = 1,
147
148 .enet0 = {
149 .has_phy = 1,
150 .use_internal_phy = 1,
151 },
152
153 .enet1 = {
154 .force_speed_100 = 1,
155 .force_duplex_full = 1,
156 },
157
158
159 .has_ohci0 = 1,
160 .has_pccard = 1,
161 .has_ehci0 = 1,
162 };
163
164 static struct board_info __initdata board_DV201AMR = {
165 .name = "DV201AMR",
166 .expected_cpu_id = 0x6348,
167
168 .has_enet0 = 1,
169 .has_enet1 = 1,
170 .has_pci = 1,
171
172 .enet0 = {
173 .has_phy = 1,
174 .use_internal_phy = 1,
175 },
176
177 .enet1 = {
178 .force_speed_100 = 1,
179 .force_duplex_full = 1,
180 },
181
182
183 .has_ohci0 = 1,
184 .has_pccard = 1,
185 .has_ehci0 = 1,
186 };
187
188 static struct board_info __initdata board_96348gw_a = {
189 .name = "96348GW-A",
190 .expected_cpu_id = 0x6348,
191
192 .has_enet0 = 1,
193 .has_enet1 = 1,
194 .has_pci = 1,
195
196 .enet0 = {
197 .has_phy = 1,
198 .use_internal_phy = 1,
199 },
200 .enet1 = {
201 .force_speed_100 = 1,
202 .force_duplex_full = 1,
203 },
204
205 .has_ohci0 = 1,
206 };
207
208
209 #endif
210
211 /*
212 * known 6358 boards
213 */
214 #ifdef CONFIG_BCM63XX_CPU_6358
215 static struct board_info __initdata board_96358vw = {
216 .name = "96358VW",
217 .expected_cpu_id = 0x6358,
218
219 .has_enet0 = 1,
220 .has_enet1 = 1,
221 .has_pci = 1,
222
223 .enet0 = {
224 .has_phy = 1,
225 .use_internal_phy = 1,
226 },
227
228 .enet1 = {
229 .force_speed_100 = 1,
230 .force_duplex_full = 1,
231 },
232
233
234 .has_ohci0 = 1,
235 .has_pccard = 1,
236 .has_ehci0 = 1,
237 };
238
239 static struct board_info __initdata board_96358vw2 = {
240 .name = "96358VW2",
241 .expected_cpu_id = 0x6358,
242
243 .has_enet0 = 1,
244 .has_enet1 = 1,
245 .has_pci = 1,
246
247 .enet0 = {
248 .has_phy = 1,
249 .use_internal_phy = 1,
250 },
251
252 .enet1 = {
253 .force_speed_100 = 1,
254 .force_duplex_full = 1,
255 },
256
257
258 .has_ohci0 = 1,
259 .has_pccard = 1,
260 .has_ehci0 = 1,
261 };
262 #endif
263
264 /*
265 * all boards
266 */
267 static const struct board_info __initdata *bcm963xx_boards[] = {
268 #ifdef CONFIG_BCM63XX_CPU_6338
269 &board_96338gw,
270 #endif
271 #ifdef CONFIG_BCM63XX_CPU_6348
272 &board_96348r,
273 &board_96348gw,
274 &board_96348gw_10,
275 &board_96348gw_11,
276 &board_FAST2404,
277 &board_DV201AMR,
278 &board_96348gw_a,
279 #endif
280
281 #ifdef CONFIG_BCM63XX_CPU_6358
282 &board_96358vw,
283 &board_96358vw2,
284 #endif
285 };
286
287 /*
288 * early init callback, read nvram data from flash and checksum it
289 */
290 void __init board_prom_init(void)
291 {
292 unsigned int check_len, i;
293 u8 *boot_addr, *cfe, *p;
294 char cfe_version[32];
295 u32 val;
296
297 /* read base address of boot chip select (0) */
298 val = bcm_mpi_readl(MPI_CSBASE_REG(0));
299 val &= MPI_CSBASE_BASE_MASK;
300 boot_addr = (u8 *)KSEG1ADDR(val);
301
302 /* dump cfe version */
303 cfe = boot_addr + BCM963XX_CFE_VERSION_OFFSET;
304 if (!memcmp(cfe, "cfe-v", 5))
305 snprintf(cfe_version, sizeof(cfe_version), "%u.%u.%u-%u.%u",
306 cfe[5], cfe[6], cfe[7], cfe[8], cfe[9]);
307 else
308 strcpy(cfe_version, "unknown");
309 printk(KERN_INFO PFX "CFE version: %s\n", cfe_version);
310
311 /* extract nvram data */
312 memcpy(&nvram, boot_addr + BCM963XX_NVRAM_OFFSET, sizeof(nvram));
313
314 /* check checksum before using data */
315 if (nvram.version <= 4)
316 check_len = offsetof(struct bcm963xx_nvram, checksum_old);
317 else
318 check_len = sizeof(nvram);
319 val = 0;
320 p = (u8 *)&nvram;
321 while (check_len--)
322 val += *p;
323 if (val) {
324 printk(KERN_ERR PFX "invalid nvram checksum\n");
325 return;
326 }
327
328 /* find board by name */
329 for (i = 0; i < ARRAY_SIZE(bcm963xx_boards); i++) {
330 if (strncmp(nvram.name, bcm963xx_boards[i]->name,
331 sizeof(nvram.name)))
332 continue;
333 /* copy, board desc array is marked initdata */
334 memcpy(&board, bcm963xx_boards[i], sizeof(board));
335 break;
336 }
337
338 /* bail out if board is not found, will complain later */
339 if (!board.name[0]) {
340 char name[17];
341 memcpy(name, nvram.name, 16);
342 name[16] = 0;
343 printk(KERN_ERR PFX "unknown bcm963xx board: %s\n",
344 name);
345 return;
346 }
347
348 /* setup pin multiplexing depending on board enabled device,
349 * this has to be done this early since PCI init is done
350 * inside arch_initcall */
351 val = 0;
352
353 if (board.has_pci) {
354 bcm63xx_pci_enabled = 1;
355 if (BCMCPU_IS_6348())
356 val |= GPIO_MODE_6348_G2_PCI;
357 }
358
359 if (board.has_pccard) {
360 if (BCMCPU_IS_6348())
361 val |= GPIO_MODE_6348_G1_MII_PCCARD;
362 }
363
364 if (board.has_enet0 && !board.enet0.use_internal_phy) {
365 if (BCMCPU_IS_6348())
366 val |= GPIO_MODE_6348_G3_EXT_MII |
367 GPIO_MODE_6348_G0_EXT_MII;
368 }
369
370 if (board.has_enet1 && !board.enet1.use_internal_phy) {
371 if (BCMCPU_IS_6348())
372 val |= GPIO_MODE_6348_G3_EXT_MII |
373 GPIO_MODE_6348_G0_EXT_MII;
374 }
375
376 bcm_gpio_writel(val, GPIO_MODE_REG);
377 }
378
379 /*
380 * second stage init callback, good time to panic if we couldn't
381 * identify on which board we're running since early printk is working
382 */
383 void __init board_setup(void)
384 {
385 if (!board.name[0])
386 panic("unable to detect bcm963xx board");
387 printk(KERN_INFO PFX "board name: %s\n", board.name);
388
389 /* make sure we're running on expected cpu */
390 if (bcm63xx_get_cpu_id() != board.expected_cpu_id)
391 panic("unexpected CPU for bcm963xx board");
392 }
393
394 /*
395 * return board name for /proc/cpuinfo
396 */
397 const char *board_get_name(void)
398 {
399 return board.name;
400 }
401
402 /*
403 * register & return a new board mac address
404 */
405 static int board_get_mac_address(u8 *mac)
406 {
407 u8 *p;
408 int count;
409
410 if (mac_addr_used >= nvram.mac_addr_count) {
411 printk(KERN_ERR PFX "not enough mac address\n");
412 return -ENODEV;
413 }
414
415 memcpy(mac, nvram.mac_addr_base, ETH_ALEN);
416 p = mac + ETH_ALEN - 1;
417 count = mac_addr_used;
418
419 while (count--) {
420 do {
421 (*p)++;
422 if (*p != 0)
423 break;
424 p--;
425 } while (p != mac);
426 }
427
428 if (p == mac) {
429 printk(KERN_ERR PFX "unable to fetch mac address\n");
430 return -ENODEV;
431 }
432
433 mac_addr_used++;
434 return 0;
435 }
436
437 static struct resource mtd_resources[] = {
438 {
439 .start = 0, /* filled at runtime */
440 .end = 0, /* filled at runtime */
441 .flags = IORESOURCE_MEM,
442 }
443 };
444
445 static struct platform_device mtd_dev = {
446 .name = "bcm963xx-flash",
447 .resource = mtd_resources,
448 .num_resources = ARRAY_SIZE(mtd_resources),
449 };
450
451 /*
452 * Register a sane SPROMv2 to make the on-board
453 * bcm4318 WLAN work
454 */
455 static struct ssb_sprom bcm63xx_sprom = {
456 .revision = 0x02,
457 .board_rev = 0x17,
458 .country_code = 0x0,
459 .ant_available_bg = 0x3,
460 .pa0b0 = 0x15ae,
461 .pa0b1 = 0xfa85,
462 .pa0b2 = 0xfe8d,
463 .pa1b0 = 0xffff,
464 .pa1b1 = 0xffff,
465 .pa1b2 = 0xffff,
466 .gpio0 = 0xff,
467 .gpio1 = 0xff,
468 .gpio2 = 0xff,
469 .gpio3 = 0xff,
470 .maxpwr_bg = 0x004c,
471 .itssi_bg = 0x00,
472 .boardflags_lo = 0x2848,
473 .boardflags_hi = 0x0000,
474 };
475
476 /*
477 * third stage init callback, register all board devices.
478 */
479 int __init board_register_devices(void)
480 {
481 u32 val;
482
483 bcm63xx_uart_register();
484 bcm63xx_wdt_register();
485
486 if (board.has_pccard)
487 bcm63xx_pcmcia_register();
488
489 if (board.has_enet0 &&
490 !board_get_mac_address(board.enet0.mac_addr))
491 bcm63xx_enet_register(0, &board.enet0);
492
493 if (board.has_enet1 &&
494 !board_get_mac_address(board.enet1.mac_addr))
495 bcm63xx_enet_register(1, &board.enet1);
496
497 if (board.has_ohci0)
498 bcm63xx_ohci_register();
499
500 if (board.has_ehci0)
501 bcm63xx_ehci_register();
502
503 /* Generate MAC address for WLAN and
504 * register our SPROM */
505 if (!board_get_mac_address(bcm63xx_sprom.il0mac)) {
506 memcpy(bcm63xx_sprom.et0mac, bcm63xx_sprom.il0mac, ETH_ALEN);
507 memcpy(bcm63xx_sprom.et1mac, bcm63xx_sprom.il0mac, ETH_ALEN);
508 if (ssb_arch_set_fallback_sprom(&bcm63xx_sprom) < 0)
509 printk(KERN_ERR "failed to register fallback SPROM\n");
510 }
511
512 /* read base address of boot chip select (0) */
513 val = bcm_mpi_readl(MPI_CSBASE_REG(0));
514 val &= MPI_CSBASE_BASE_MASK;
515 mtd_resources[0].start = val;
516 mtd_resources[0].end = 0x1FFFFFFF;
517
518 platform_device_register(&mtd_dev);
519
520 return 0;
521 }
522