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7ca5dc14 FF |
1 | /* |
2 | * Copyright (C) 2006,2007 Felix Fietkau <nbd@openwrt.org> | |
3 | * Copyright (C) 2006,2007 Eugene Konev <ejka@openwrt.org> | |
4 | * | |
5 | * This program is free software; you can redistribute it and/or modify | |
6 | * it under the terms of the GNU General Public License as published by | |
7 | * the Free Software Foundation; either version 2 of the License, or | |
8 | * (at your option) any later version. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License | |
16 | * along with this program; if not, write to the Free Software | |
17 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
18 | */ | |
19 | ||
20 | #include <linux/init.h> | |
21 | #include <linux/types.h> | |
22 | #include <linux/module.h> | |
23 | #include <linux/delay.h> | |
24 | #include <linux/dma-mapping.h> | |
25 | #include <linux/platform_device.h> | |
26 | #include <linux/mtd/physmap.h> | |
27 | #include <linux/serial.h> | |
28 | #include <linux/serial_8250.h> | |
29 | #include <linux/ioport.h> | |
30 | #include <linux/io.h> | |
7ca5dc14 FF |
31 | #include <linux/vlynq.h> |
32 | #include <linux/leds.h> | |
33 | #include <linux/string.h> | |
34 | #include <linux/etherdevice.h> | |
1e2c8d83 FF |
35 | #include <linux/phy.h> |
36 | #include <linux/phy_fixed.h> | |
7ca5dc14 FF |
37 | |
38 | #include <asm/addrspace.h> | |
39 | #include <asm/mach-ar7/ar7.h> | |
40 | #include <asm/mach-ar7/gpio.h> | |
41 | #include <asm/mach-ar7/prom.h> | |
42 | ||
43 | struct plat_vlynq_data { | |
44 | struct plat_vlynq_ops ops; | |
45 | int gpio_bit; | |
46 | int reset_bit; | |
47 | }; | |
48 | ||
49 | ||
50 | static int vlynq_on(struct vlynq_device *dev) | |
51 | { | |
52 | int result; | |
53 | struct plat_vlynq_data *pdata = dev->dev.platform_data; | |
54 | ||
55 | result = gpio_request(pdata->gpio_bit, "vlynq"); | |
56 | if (result) | |
57 | goto out; | |
58 | ||
59 | ar7_device_reset(pdata->reset_bit); | |
60 | ||
61 | result = ar7_gpio_disable(pdata->gpio_bit); | |
62 | if (result) | |
63 | goto out_enabled; | |
64 | ||
65 | result = ar7_gpio_enable(pdata->gpio_bit); | |
66 | if (result) | |
67 | goto out_enabled; | |
68 | ||
69 | result = gpio_direction_output(pdata->gpio_bit, 0); | |
70 | if (result) | |
71 | goto out_gpio_enabled; | |
72 | ||
73 | msleep(50); | |
74 | ||
75 | gpio_set_value(pdata->gpio_bit, 1); | |
76 | msleep(50); | |
77 | ||
78 | return 0; | |
79 | ||
80 | out_gpio_enabled: | |
81 | ar7_gpio_disable(pdata->gpio_bit); | |
82 | out_enabled: | |
83 | ar7_device_disable(pdata->reset_bit); | |
84 | gpio_free(pdata->gpio_bit); | |
85 | out: | |
86 | return result; | |
87 | } | |
88 | ||
89 | static void vlynq_off(struct vlynq_device *dev) | |
90 | { | |
91 | struct plat_vlynq_data *pdata = dev->dev.platform_data; | |
92 | ar7_gpio_disable(pdata->gpio_bit); | |
93 | gpio_free(pdata->gpio_bit); | |
94 | ar7_device_disable(pdata->reset_bit); | |
95 | } | |
96 | ||
97 | static struct resource physmap_flash_resource = { | |
98 | .name = "mem", | |
99 | .flags = IORESOURCE_MEM, | |
100 | .start = 0x10000000, | |
101 | .end = 0x107fffff, | |
102 | }; | |
103 | ||
104 | static struct resource cpmac_low_res[] = { | |
105 | { | |
106 | .name = "regs", | |
107 | .flags = IORESOURCE_MEM, | |
108 | .start = AR7_REGS_MAC0, | |
109 | .end = AR7_REGS_MAC0 + 0x7ff, | |
110 | }, | |
111 | { | |
112 | .name = "irq", | |
113 | .flags = IORESOURCE_IRQ, | |
114 | .start = 27, | |
115 | .end = 27, | |
116 | }, | |
117 | }; | |
118 | ||
119 | static struct resource cpmac_high_res[] = { | |
120 | { | |
121 | .name = "regs", | |
122 | .flags = IORESOURCE_MEM, | |
123 | .start = AR7_REGS_MAC1, | |
124 | .end = AR7_REGS_MAC1 + 0x7ff, | |
125 | }, | |
126 | { | |
127 | .name = "irq", | |
128 | .flags = IORESOURCE_IRQ, | |
129 | .start = 41, | |
130 | .end = 41, | |
131 | }, | |
132 | }; | |
133 | ||
134 | static struct resource vlynq_low_res[] = { | |
135 | { | |
136 | .name = "regs", | |
137 | .flags = IORESOURCE_MEM, | |
138 | .start = AR7_REGS_VLYNQ0, | |
139 | .end = AR7_REGS_VLYNQ0 + 0xff, | |
140 | }, | |
141 | { | |
142 | .name = "irq", | |
143 | .flags = IORESOURCE_IRQ, | |
144 | .start = 29, | |
145 | .end = 29, | |
146 | }, | |
147 | { | |
148 | .name = "mem", | |
149 | .flags = IORESOURCE_MEM, | |
150 | .start = 0x04000000, | |
151 | .end = 0x04ffffff, | |
152 | }, | |
153 | { | |
154 | .name = "devirq", | |
155 | .flags = IORESOURCE_IRQ, | |
156 | .start = 80, | |
157 | .end = 111, | |
158 | }, | |
159 | }; | |
160 | ||
161 | static struct resource vlynq_high_res[] = { | |
162 | { | |
163 | .name = "regs", | |
164 | .flags = IORESOURCE_MEM, | |
165 | .start = AR7_REGS_VLYNQ1, | |
166 | .end = AR7_REGS_VLYNQ1 + 0xff, | |
167 | }, | |
168 | { | |
169 | .name = "irq", | |
170 | .flags = IORESOURCE_IRQ, | |
171 | .start = 33, | |
172 | .end = 33, | |
173 | }, | |
174 | { | |
175 | .name = "mem", | |
176 | .flags = IORESOURCE_MEM, | |
177 | .start = 0x0c000000, | |
178 | .end = 0x0cffffff, | |
179 | }, | |
180 | { | |
181 | .name = "devirq", | |
182 | .flags = IORESOURCE_IRQ, | |
183 | .start = 112, | |
184 | .end = 143, | |
185 | }, | |
186 | }; | |
187 | ||
188 | static struct resource usb_res[] = { | |
189 | { | |
190 | .name = "regs", | |
191 | .flags = IORESOURCE_MEM, | |
192 | .start = AR7_REGS_USB, | |
193 | .end = AR7_REGS_USB + 0xff, | |
194 | }, | |
195 | { | |
196 | .name = "irq", | |
197 | .flags = IORESOURCE_IRQ, | |
198 | .start = 32, | |
199 | .end = 32, | |
200 | }, | |
201 | { | |
202 | .name = "mem", | |
203 | .flags = IORESOURCE_MEM, | |
204 | .start = 0x03400000, | |
205 | .end = 0x034001fff, | |
206 | }, | |
207 | }; | |
208 | ||
209 | static struct physmap_flash_data physmap_flash_data = { | |
210 | .width = 2, | |
211 | }; | |
212 | ||
1e2c8d83 FF |
213 | static struct fixed_phy_status fixed_phy_status __initdata = { |
214 | .link = 1, | |
215 | .speed = 100, | |
216 | .duplex = 1, | |
217 | }; | |
218 | ||
7ca5dc14 FF |
219 | static struct plat_cpmac_data cpmac_low_data = { |
220 | .reset_bit = 17, | |
221 | .power_bit = 20, | |
222 | .phy_mask = 0x80000000, | |
223 | }; | |
224 | ||
225 | static struct plat_cpmac_data cpmac_high_data = { | |
226 | .reset_bit = 21, | |
227 | .power_bit = 22, | |
228 | .phy_mask = 0x7fffffff, | |
229 | }; | |
230 | ||
231 | static struct plat_vlynq_data vlynq_low_data = { | |
232 | .ops.on = vlynq_on, | |
233 | .ops.off = vlynq_off, | |
234 | .reset_bit = 20, | |
235 | .gpio_bit = 18, | |
236 | }; | |
237 | ||
238 | static struct plat_vlynq_data vlynq_high_data = { | |
239 | .ops.on = vlynq_on, | |
240 | .ops.off = vlynq_off, | |
241 | .reset_bit = 16, | |
242 | .gpio_bit = 19, | |
243 | }; | |
244 | ||
245 | static struct platform_device physmap_flash = { | |
246 | .id = 0, | |
247 | .name = "physmap-flash", | |
248 | .dev.platform_data = &physmap_flash_data, | |
249 | .resource = &physmap_flash_resource, | |
250 | .num_resources = 1, | |
251 | }; | |
252 | ||
8e84c148 | 253 | static u64 cpmac_dma_mask = DMA_BIT_MASK(32); |
7ca5dc14 FF |
254 | static struct platform_device cpmac_low = { |
255 | .id = 0, | |
256 | .name = "cpmac", | |
257 | .dev = { | |
258 | .dma_mask = &cpmac_dma_mask, | |
8e84c148 | 259 | .coherent_dma_mask = DMA_BIT_MASK(32), |
7ca5dc14 FF |
260 | .platform_data = &cpmac_low_data, |
261 | }, | |
262 | .resource = cpmac_low_res, | |
263 | .num_resources = ARRAY_SIZE(cpmac_low_res), | |
264 | }; | |
265 | ||
266 | static struct platform_device cpmac_high = { | |
267 | .id = 1, | |
268 | .name = "cpmac", | |
269 | .dev = { | |
270 | .dma_mask = &cpmac_dma_mask, | |
8e84c148 | 271 | .coherent_dma_mask = DMA_BIT_MASK(32), |
7ca5dc14 FF |
272 | .platform_data = &cpmac_high_data, |
273 | }, | |
274 | .resource = cpmac_high_res, | |
275 | .num_resources = ARRAY_SIZE(cpmac_high_res), | |
276 | }; | |
277 | ||
278 | static struct platform_device vlynq_low = { | |
279 | .id = 0, | |
280 | .name = "vlynq", | |
281 | .dev.platform_data = &vlynq_low_data, | |
282 | .resource = vlynq_low_res, | |
283 | .num_resources = ARRAY_SIZE(vlynq_low_res), | |
284 | }; | |
285 | ||
286 | static struct platform_device vlynq_high = { | |
287 | .id = 1, | |
288 | .name = "vlynq", | |
289 | .dev.platform_data = &vlynq_high_data, | |
290 | .resource = vlynq_high_res, | |
291 | .num_resources = ARRAY_SIZE(vlynq_high_res), | |
292 | }; | |
293 | ||
294 | ||
295 | static struct gpio_led default_leds[] = { | |
296 | { | |
297 | .name = "status", | |
298 | .gpio = 8, | |
299 | .active_low = 1, | |
300 | }, | |
301 | }; | |
302 | ||
303 | static struct gpio_led dsl502t_leds[] = { | |
304 | { | |
305 | .name = "status", | |
306 | .gpio = 9, | |
307 | .active_low = 1, | |
308 | }, | |
309 | { | |
310 | .name = "ethernet", | |
311 | .gpio = 7, | |
312 | .active_low = 1, | |
313 | }, | |
314 | { | |
315 | .name = "usb", | |
316 | .gpio = 12, | |
317 | .active_low = 1, | |
318 | }, | |
319 | }; | |
320 | ||
321 | static struct gpio_led dg834g_leds[] = { | |
322 | { | |
323 | .name = "ppp", | |
324 | .gpio = 6, | |
325 | .active_low = 1, | |
326 | }, | |
327 | { | |
328 | .name = "status", | |
329 | .gpio = 7, | |
330 | .active_low = 1, | |
331 | }, | |
332 | { | |
333 | .name = "adsl", | |
334 | .gpio = 8, | |
335 | .active_low = 1, | |
336 | }, | |
337 | { | |
338 | .name = "wifi", | |
339 | .gpio = 12, | |
340 | .active_low = 1, | |
341 | }, | |
342 | { | |
343 | .name = "power", | |
344 | .gpio = 14, | |
345 | .active_low = 1, | |
346 | .default_trigger = "default-on", | |
347 | }, | |
348 | }; | |
349 | ||
350 | static struct gpio_led fb_sl_leds[] = { | |
351 | { | |
352 | .name = "1", | |
353 | .gpio = 7, | |
354 | }, | |
355 | { | |
356 | .name = "2", | |
357 | .gpio = 13, | |
358 | .active_low = 1, | |
359 | }, | |
360 | { | |
361 | .name = "3", | |
362 | .gpio = 10, | |
363 | .active_low = 1, | |
364 | }, | |
365 | { | |
366 | .name = "4", | |
367 | .gpio = 12, | |
368 | .active_low = 1, | |
369 | }, | |
370 | { | |
371 | .name = "5", | |
372 | .gpio = 9, | |
373 | .active_low = 1, | |
374 | }, | |
375 | }; | |
376 | ||
377 | static struct gpio_led fb_fon_leds[] = { | |
378 | { | |
379 | .name = "1", | |
380 | .gpio = 8, | |
381 | }, | |
382 | { | |
383 | .name = "2", | |
384 | .gpio = 3, | |
385 | .active_low = 1, | |
386 | }, | |
387 | { | |
388 | .name = "3", | |
389 | .gpio = 5, | |
390 | }, | |
391 | { | |
392 | .name = "4", | |
393 | .gpio = 4, | |
394 | .active_low = 1, | |
395 | }, | |
396 | { | |
397 | .name = "5", | |
398 | .gpio = 11, | |
399 | .active_low = 1, | |
400 | }, | |
401 | }; | |
402 | ||
403 | static struct gpio_led_platform_data ar7_led_data; | |
404 | ||
405 | static struct platform_device ar7_gpio_leds = { | |
406 | .name = "leds-gpio", | |
407 | .id = -1, | |
408 | .dev = { | |
409 | .platform_data = &ar7_led_data, | |
410 | } | |
411 | }; | |
412 | ||
413 | static struct platform_device ar7_udc = { | |
414 | .id = -1, | |
415 | .name = "ar7_udc", | |
416 | .resource = usb_res, | |
417 | .num_resources = ARRAY_SIZE(usb_res), | |
418 | }; | |
419 | ||
d47fbb59 FF |
420 | static struct resource ar7_wdt_res = { |
421 | .name = "regs", | |
422 | .start = -1, /* Filled at runtime */ | |
423 | .end = -1, /* Filled at runtime */ | |
424 | .flags = IORESOURCE_MEM, | |
425 | }; | |
426 | ||
427 | static struct platform_device ar7_wdt = { | |
428 | .id = -1, | |
429 | .name = "ar7_wdt", | |
430 | .resource = &ar7_wdt_res, | |
431 | .num_resources = 1, | |
432 | }; | |
433 | ||
7ca5dc14 FF |
434 | static inline unsigned char char2hex(char h) |
435 | { | |
436 | switch (h) { | |
437 | case '0': case '1': case '2': case '3': case '4': | |
438 | case '5': case '6': case '7': case '8': case '9': | |
439 | return h - '0'; | |
440 | case 'A': case 'B': case 'C': case 'D': case 'E': case 'F': | |
441 | return h - 'A' + 10; | |
442 | case 'a': case 'b': case 'c': case 'd': case 'e': case 'f': | |
443 | return h - 'a' + 10; | |
444 | default: | |
445 | return 0; | |
446 | } | |
447 | } | |
448 | ||
449 | static void cpmac_get_mac(int instance, unsigned char *dev_addr) | |
450 | { | |
451 | int i; | |
452 | char name[5], default_mac[ETH_ALEN], *mac; | |
453 | ||
454 | mac = NULL; | |
455 | sprintf(name, "mac%c", 'a' + instance); | |
456 | mac = prom_getenv(name); | |
457 | if (!mac) { | |
458 | sprintf(name, "mac%c", 'a'); | |
459 | mac = prom_getenv(name); | |
460 | } | |
461 | if (!mac) { | |
462 | random_ether_addr(default_mac); | |
463 | mac = default_mac; | |
464 | } | |
465 | for (i = 0; i < 6; i++) | |
466 | dev_addr[i] = (char2hex(mac[i * 3]) << 4) + | |
467 | char2hex(mac[i * 3 + 1]); | |
468 | } | |
469 | ||
470 | static void __init detect_leds(void) | |
471 | { | |
472 | char *prid, *usb_prod; | |
473 | ||
474 | /* Default LEDs */ | |
475 | ar7_led_data.num_leds = ARRAY_SIZE(default_leds); | |
476 | ar7_led_data.leds = default_leds; | |
477 | ||
478 | /* FIXME: the whole thing is unreliable */ | |
479 | prid = prom_getenv("ProductID"); | |
480 | usb_prod = prom_getenv("usb_prod"); | |
481 | ||
482 | /* If we can't get the product id from PROM, use the default LEDs */ | |
483 | if (!prid) | |
484 | return; | |
485 | ||
486 | if (strstr(prid, "Fritz_Box_FON")) { | |
487 | ar7_led_data.num_leds = ARRAY_SIZE(fb_fon_leds); | |
488 | ar7_led_data.leds = fb_fon_leds; | |
489 | } else if (strstr(prid, "Fritz_Box_")) { | |
490 | ar7_led_data.num_leds = ARRAY_SIZE(fb_sl_leds); | |
491 | ar7_led_data.leds = fb_sl_leds; | |
492 | } else if ((!strcmp(prid, "AR7RD") || !strcmp(prid, "AR7DB")) | |
493 | && usb_prod != NULL && strstr(usb_prod, "DSL-502T")) { | |
494 | ar7_led_data.num_leds = ARRAY_SIZE(dsl502t_leds); | |
495 | ar7_led_data.leds = dsl502t_leds; | |
496 | } else if (strstr(prid, "DG834")) { | |
497 | ar7_led_data.num_leds = ARRAY_SIZE(dg834g_leds); | |
498 | ar7_led_data.leds = dg834g_leds; | |
499 | } | |
500 | } | |
501 | ||
502 | static int __init ar7_register_devices(void) | |
503 | { | |
d47fbb59 | 504 | u16 chip_id; |
7ca5dc14 | 505 | int res; |
72838a17 | 506 | u32 *bootcr, val; |
50ca9619 | 507 | #ifdef CONFIG_SERIAL_8250 |
599a8945 | 508 | static struct uart_port uart_port[2] __initdata; |
7ca5dc14 FF |
509 | |
510 | memset(uart_port, 0, sizeof(struct uart_port) * 2); | |
511 | ||
512 | uart_port[0].type = PORT_16550A; | |
513 | uart_port[0].line = 0; | |
514 | uart_port[0].irq = AR7_IRQ_UART0; | |
515 | uart_port[0].uartclk = ar7_bus_freq() / 2; | |
516 | uart_port[0].iotype = UPIO_MEM32; | |
517 | uart_port[0].mapbase = AR7_REGS_UART0; | |
518 | uart_port[0].membase = ioremap(uart_port[0].mapbase, 256); | |
519 | uart_port[0].regshift = 2; | |
520 | res = early_serial_setup(&uart_port[0]); | |
521 | if (res) | |
522 | return res; | |
523 | ||
524 | ||
525 | /* Only TNETD73xx have a second serial port */ | |
526 | if (ar7_has_second_uart()) { | |
527 | uart_port[1].type = PORT_16550A; | |
528 | uart_port[1].line = 1; | |
529 | uart_port[1].irq = AR7_IRQ_UART1; | |
530 | uart_port[1].uartclk = ar7_bus_freq() / 2; | |
531 | uart_port[1].iotype = UPIO_MEM32; | |
532 | uart_port[1].mapbase = UR8_REGS_UART1; | |
533 | uart_port[1].membase = ioremap(uart_port[1].mapbase, 256); | |
534 | uart_port[1].regshift = 2; | |
535 | res = early_serial_setup(&uart_port[1]); | |
536 | if (res) | |
537 | return res; | |
538 | } | |
50ca9619 | 539 | #endif /* CONFIG_SERIAL_8250 */ |
7ca5dc14 FF |
540 | res = platform_device_register(&physmap_flash); |
541 | if (res) | |
542 | return res; | |
543 | ||
544 | ar7_device_disable(vlynq_low_data.reset_bit); | |
545 | res = platform_device_register(&vlynq_low); | |
546 | if (res) | |
547 | return res; | |
548 | ||
549 | if (ar7_has_high_vlynq()) { | |
550 | ar7_device_disable(vlynq_high_data.reset_bit); | |
551 | res = platform_device_register(&vlynq_high); | |
552 | if (res) | |
553 | return res; | |
554 | } | |
555 | ||
556 | if (ar7_has_high_cpmac()) { | |
1e2c8d83 FF |
557 | res = fixed_phy_add(PHY_POLL, cpmac_high.id, &fixed_phy_status); |
558 | if (res && res != -ENODEV) | |
559 | return res; | |
7ca5dc14 FF |
560 | cpmac_get_mac(1, cpmac_high_data.dev_addr); |
561 | res = platform_device_register(&cpmac_high); | |
562 | if (res) | |
563 | return res; | |
564 | } else { | |
565 | cpmac_low_data.phy_mask = 0xffffffff; | |
566 | } | |
567 | ||
1e2c8d83 FF |
568 | res = fixed_phy_add(PHY_POLL, cpmac_low.id, &fixed_phy_status); |
569 | if (res && res != -ENODEV) | |
570 | return res; | |
571 | ||
7ca5dc14 FF |
572 | cpmac_get_mac(0, cpmac_low_data.dev_addr); |
573 | res = platform_device_register(&cpmac_low); | |
574 | if (res) | |
575 | return res; | |
576 | ||
577 | detect_leds(); | |
578 | res = platform_device_register(&ar7_gpio_leds); | |
579 | if (res) | |
580 | return res; | |
581 | ||
582 | res = platform_device_register(&ar7_udc); | |
583 | ||
d47fbb59 FF |
584 | chip_id = ar7_chip_id(); |
585 | switch (chip_id) { | |
586 | case AR7_CHIP_7100: | |
587 | case AR7_CHIP_7200: | |
588 | ar7_wdt_res.start = AR7_REGS_WDT; | |
589 | break; | |
590 | case AR7_CHIP_7300: | |
591 | ar7_wdt_res.start = UR8_REGS_WDT; | |
592 | break; | |
593 | default: | |
594 | break; | |
595 | } | |
596 | ||
597 | ar7_wdt_res.end = ar7_wdt_res.start + 0x20; | |
598 | ||
72838a17 FF |
599 | bootcr = (u32 *)ioremap_nocache(AR7_REGS_DCL, 4); |
600 | val = *bootcr; | |
601 | iounmap(bootcr); | |
602 | ||
603 | /* Register watchdog only if enabled in hardware */ | |
604 | if (val & AR7_WDT_HW_ENA) | |
605 | res = platform_device_register(&ar7_wdt); | |
d47fbb59 | 606 | |
7ca5dc14 FF |
607 | return res; |
608 | } | |
609 | arch_initcall(ar7_register_devices); |