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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> | |
5f3c9098 | 37 | #include <linux/gpio.h> |
7ca5dc14 FF |
38 | |
39 | #include <asm/addrspace.h> | |
40 | #include <asm/mach-ar7/ar7.h> | |
41 | #include <asm/mach-ar7/gpio.h> | |
42 | #include <asm/mach-ar7/prom.h> | |
43 | ||
44 | struct plat_vlynq_data { | |
45 | struct plat_vlynq_ops ops; | |
46 | int gpio_bit; | |
47 | int reset_bit; | |
48 | }; | |
49 | ||
50 | ||
51 | static int vlynq_on(struct vlynq_device *dev) | |
52 | { | |
53 | int result; | |
54 | struct plat_vlynq_data *pdata = dev->dev.platform_data; | |
55 | ||
56 | result = gpio_request(pdata->gpio_bit, "vlynq"); | |
57 | if (result) | |
58 | goto out; | |
59 | ||
60 | ar7_device_reset(pdata->reset_bit); | |
61 | ||
62 | result = ar7_gpio_disable(pdata->gpio_bit); | |
63 | if (result) | |
64 | goto out_enabled; | |
65 | ||
66 | result = ar7_gpio_enable(pdata->gpio_bit); | |
67 | if (result) | |
68 | goto out_enabled; | |
69 | ||
70 | result = gpio_direction_output(pdata->gpio_bit, 0); | |
71 | if (result) | |
72 | goto out_gpio_enabled; | |
73 | ||
74 | msleep(50); | |
75 | ||
76 | gpio_set_value(pdata->gpio_bit, 1); | |
77 | msleep(50); | |
78 | ||
79 | return 0; | |
80 | ||
81 | out_gpio_enabled: | |
82 | ar7_gpio_disable(pdata->gpio_bit); | |
83 | out_enabled: | |
84 | ar7_device_disable(pdata->reset_bit); | |
85 | gpio_free(pdata->gpio_bit); | |
86 | out: | |
87 | return result; | |
88 | } | |
89 | ||
90 | static void vlynq_off(struct vlynq_device *dev) | |
91 | { | |
92 | struct plat_vlynq_data *pdata = dev->dev.platform_data; | |
93 | ar7_gpio_disable(pdata->gpio_bit); | |
94 | gpio_free(pdata->gpio_bit); | |
95 | ar7_device_disable(pdata->reset_bit); | |
96 | } | |
97 | ||
98 | static struct resource physmap_flash_resource = { | |
99 | .name = "mem", | |
100 | .flags = IORESOURCE_MEM, | |
101 | .start = 0x10000000, | |
102 | .end = 0x107fffff, | |
103 | }; | |
104 | ||
105 | static struct resource cpmac_low_res[] = { | |
106 | { | |
107 | .name = "regs", | |
108 | .flags = IORESOURCE_MEM, | |
109 | .start = AR7_REGS_MAC0, | |
110 | .end = AR7_REGS_MAC0 + 0x7ff, | |
111 | }, | |
112 | { | |
113 | .name = "irq", | |
114 | .flags = IORESOURCE_IRQ, | |
115 | .start = 27, | |
116 | .end = 27, | |
117 | }, | |
118 | }; | |
119 | ||
120 | static struct resource cpmac_high_res[] = { | |
121 | { | |
122 | .name = "regs", | |
123 | .flags = IORESOURCE_MEM, | |
124 | .start = AR7_REGS_MAC1, | |
125 | .end = AR7_REGS_MAC1 + 0x7ff, | |
126 | }, | |
127 | { | |
128 | .name = "irq", | |
129 | .flags = IORESOURCE_IRQ, | |
130 | .start = 41, | |
131 | .end = 41, | |
132 | }, | |
133 | }; | |
134 | ||
135 | static struct resource vlynq_low_res[] = { | |
136 | { | |
137 | .name = "regs", | |
138 | .flags = IORESOURCE_MEM, | |
139 | .start = AR7_REGS_VLYNQ0, | |
140 | .end = AR7_REGS_VLYNQ0 + 0xff, | |
141 | }, | |
142 | { | |
143 | .name = "irq", | |
144 | .flags = IORESOURCE_IRQ, | |
145 | .start = 29, | |
146 | .end = 29, | |
147 | }, | |
148 | { | |
149 | .name = "mem", | |
150 | .flags = IORESOURCE_MEM, | |
151 | .start = 0x04000000, | |
152 | .end = 0x04ffffff, | |
153 | }, | |
154 | { | |
155 | .name = "devirq", | |
156 | .flags = IORESOURCE_IRQ, | |
157 | .start = 80, | |
158 | .end = 111, | |
159 | }, | |
160 | }; | |
161 | ||
162 | static struct resource vlynq_high_res[] = { | |
163 | { | |
164 | .name = "regs", | |
165 | .flags = IORESOURCE_MEM, | |
166 | .start = AR7_REGS_VLYNQ1, | |
167 | .end = AR7_REGS_VLYNQ1 + 0xff, | |
168 | }, | |
169 | { | |
170 | .name = "irq", | |
171 | .flags = IORESOURCE_IRQ, | |
172 | .start = 33, | |
173 | .end = 33, | |
174 | }, | |
175 | { | |
176 | .name = "mem", | |
177 | .flags = IORESOURCE_MEM, | |
178 | .start = 0x0c000000, | |
179 | .end = 0x0cffffff, | |
180 | }, | |
181 | { | |
182 | .name = "devirq", | |
183 | .flags = IORESOURCE_IRQ, | |
184 | .start = 112, | |
185 | .end = 143, | |
186 | }, | |
187 | }; | |
188 | ||
189 | static struct resource usb_res[] = { | |
190 | { | |
191 | .name = "regs", | |
192 | .flags = IORESOURCE_MEM, | |
193 | .start = AR7_REGS_USB, | |
194 | .end = AR7_REGS_USB + 0xff, | |
195 | }, | |
196 | { | |
197 | .name = "irq", | |
198 | .flags = IORESOURCE_IRQ, | |
199 | .start = 32, | |
200 | .end = 32, | |
201 | }, | |
202 | { | |
203 | .name = "mem", | |
204 | .flags = IORESOURCE_MEM, | |
205 | .start = 0x03400000, | |
ba284b1f | 206 | .end = 0x03401fff, |
7ca5dc14 FF |
207 | }, |
208 | }; | |
209 | ||
210 | static struct physmap_flash_data physmap_flash_data = { | |
211 | .width = 2, | |
212 | }; | |
213 | ||
1e2c8d83 FF |
214 | static struct fixed_phy_status fixed_phy_status __initdata = { |
215 | .link = 1, | |
216 | .speed = 100, | |
217 | .duplex = 1, | |
218 | }; | |
219 | ||
7ca5dc14 FF |
220 | static struct plat_cpmac_data cpmac_low_data = { |
221 | .reset_bit = 17, | |
222 | .power_bit = 20, | |
223 | .phy_mask = 0x80000000, | |
224 | }; | |
225 | ||
226 | static struct plat_cpmac_data cpmac_high_data = { | |
227 | .reset_bit = 21, | |
228 | .power_bit = 22, | |
229 | .phy_mask = 0x7fffffff, | |
230 | }; | |
231 | ||
232 | static struct plat_vlynq_data vlynq_low_data = { | |
233 | .ops.on = vlynq_on, | |
234 | .ops.off = vlynq_off, | |
235 | .reset_bit = 20, | |
236 | .gpio_bit = 18, | |
237 | }; | |
238 | ||
239 | static struct plat_vlynq_data vlynq_high_data = { | |
240 | .ops.on = vlynq_on, | |
241 | .ops.off = vlynq_off, | |
242 | .reset_bit = 16, | |
243 | .gpio_bit = 19, | |
244 | }; | |
245 | ||
246 | static struct platform_device physmap_flash = { | |
247 | .id = 0, | |
248 | .name = "physmap-flash", | |
249 | .dev.platform_data = &physmap_flash_data, | |
250 | .resource = &physmap_flash_resource, | |
251 | .num_resources = 1, | |
252 | }; | |
253 | ||
8e84c148 | 254 | static u64 cpmac_dma_mask = DMA_BIT_MASK(32); |
7ca5dc14 FF |
255 | static struct platform_device cpmac_low = { |
256 | .id = 0, | |
257 | .name = "cpmac", | |
258 | .dev = { | |
259 | .dma_mask = &cpmac_dma_mask, | |
8e84c148 | 260 | .coherent_dma_mask = DMA_BIT_MASK(32), |
7ca5dc14 FF |
261 | .platform_data = &cpmac_low_data, |
262 | }, | |
263 | .resource = cpmac_low_res, | |
264 | .num_resources = ARRAY_SIZE(cpmac_low_res), | |
265 | }; | |
266 | ||
267 | static struct platform_device cpmac_high = { | |
268 | .id = 1, | |
269 | .name = "cpmac", | |
270 | .dev = { | |
271 | .dma_mask = &cpmac_dma_mask, | |
8e84c148 | 272 | .coherent_dma_mask = DMA_BIT_MASK(32), |
7ca5dc14 FF |
273 | .platform_data = &cpmac_high_data, |
274 | }, | |
275 | .resource = cpmac_high_res, | |
276 | .num_resources = ARRAY_SIZE(cpmac_high_res), | |
277 | }; | |
278 | ||
279 | static struct platform_device vlynq_low = { | |
280 | .id = 0, | |
281 | .name = "vlynq", | |
282 | .dev.platform_data = &vlynq_low_data, | |
283 | .resource = vlynq_low_res, | |
284 | .num_resources = ARRAY_SIZE(vlynq_low_res), | |
285 | }; | |
286 | ||
287 | static struct platform_device vlynq_high = { | |
288 | .id = 1, | |
289 | .name = "vlynq", | |
290 | .dev.platform_data = &vlynq_high_data, | |
291 | .resource = vlynq_high_res, | |
292 | .num_resources = ARRAY_SIZE(vlynq_high_res), | |
293 | }; | |
294 | ||
295 | ||
296 | static struct gpio_led default_leds[] = { | |
297 | { | |
298 | .name = "status", | |
299 | .gpio = 8, | |
300 | .active_low = 1, | |
301 | }, | |
302 | }; | |
303 | ||
304 | static struct gpio_led dsl502t_leds[] = { | |
305 | { | |
306 | .name = "status", | |
307 | .gpio = 9, | |
308 | .active_low = 1, | |
309 | }, | |
310 | { | |
311 | .name = "ethernet", | |
312 | .gpio = 7, | |
313 | .active_low = 1, | |
314 | }, | |
315 | { | |
316 | .name = "usb", | |
317 | .gpio = 12, | |
318 | .active_low = 1, | |
319 | }, | |
320 | }; | |
321 | ||
322 | static struct gpio_led dg834g_leds[] = { | |
323 | { | |
324 | .name = "ppp", | |
325 | .gpio = 6, | |
326 | .active_low = 1, | |
327 | }, | |
328 | { | |
329 | .name = "status", | |
330 | .gpio = 7, | |
331 | .active_low = 1, | |
332 | }, | |
333 | { | |
334 | .name = "adsl", | |
335 | .gpio = 8, | |
336 | .active_low = 1, | |
337 | }, | |
338 | { | |
339 | .name = "wifi", | |
340 | .gpio = 12, | |
341 | .active_low = 1, | |
342 | }, | |
343 | { | |
344 | .name = "power", | |
345 | .gpio = 14, | |
346 | .active_low = 1, | |
347 | .default_trigger = "default-on", | |
348 | }, | |
349 | }; | |
350 | ||
351 | static struct gpio_led fb_sl_leds[] = { | |
352 | { | |
353 | .name = "1", | |
354 | .gpio = 7, | |
355 | }, | |
356 | { | |
357 | .name = "2", | |
358 | .gpio = 13, | |
359 | .active_low = 1, | |
360 | }, | |
361 | { | |
362 | .name = "3", | |
363 | .gpio = 10, | |
364 | .active_low = 1, | |
365 | }, | |
366 | { | |
367 | .name = "4", | |
368 | .gpio = 12, | |
369 | .active_low = 1, | |
370 | }, | |
371 | { | |
372 | .name = "5", | |
373 | .gpio = 9, | |
374 | .active_low = 1, | |
375 | }, | |
376 | }; | |
377 | ||
378 | static struct gpio_led fb_fon_leds[] = { | |
379 | { | |
380 | .name = "1", | |
381 | .gpio = 8, | |
382 | }, | |
383 | { | |
384 | .name = "2", | |
385 | .gpio = 3, | |
386 | .active_low = 1, | |
387 | }, | |
388 | { | |
389 | .name = "3", | |
390 | .gpio = 5, | |
391 | }, | |
392 | { | |
393 | .name = "4", | |
394 | .gpio = 4, | |
395 | .active_low = 1, | |
396 | }, | |
397 | { | |
398 | .name = "5", | |
399 | .gpio = 11, | |
400 | .active_low = 1, | |
401 | }, | |
402 | }; | |
403 | ||
404 | static struct gpio_led_platform_data ar7_led_data; | |
405 | ||
406 | static struct platform_device ar7_gpio_leds = { | |
407 | .name = "leds-gpio", | |
408 | .id = -1, | |
409 | .dev = { | |
410 | .platform_data = &ar7_led_data, | |
411 | } | |
412 | }; | |
413 | ||
414 | static struct platform_device ar7_udc = { | |
415 | .id = -1, | |
416 | .name = "ar7_udc", | |
417 | .resource = usb_res, | |
418 | .num_resources = ARRAY_SIZE(usb_res), | |
419 | }; | |
420 | ||
d47fbb59 FF |
421 | static struct resource ar7_wdt_res = { |
422 | .name = "regs", | |
423 | .start = -1, /* Filled at runtime */ | |
424 | .end = -1, /* Filled at runtime */ | |
425 | .flags = IORESOURCE_MEM, | |
426 | }; | |
427 | ||
428 | static struct platform_device ar7_wdt = { | |
429 | .id = -1, | |
430 | .name = "ar7_wdt", | |
431 | .resource = &ar7_wdt_res, | |
432 | .num_resources = 1, | |
433 | }; | |
434 | ||
7ca5dc14 FF |
435 | static inline unsigned char char2hex(char h) |
436 | { | |
437 | switch (h) { | |
438 | case '0': case '1': case '2': case '3': case '4': | |
439 | case '5': case '6': case '7': case '8': case '9': | |
440 | return h - '0'; | |
441 | case 'A': case 'B': case 'C': case 'D': case 'E': case 'F': | |
442 | return h - 'A' + 10; | |
443 | case 'a': case 'b': case 'c': case 'd': case 'e': case 'f': | |
444 | return h - 'a' + 10; | |
445 | default: | |
446 | return 0; | |
447 | } | |
448 | } | |
449 | ||
450 | static void cpmac_get_mac(int instance, unsigned char *dev_addr) | |
451 | { | |
452 | int i; | |
453 | char name[5], default_mac[ETH_ALEN], *mac; | |
454 | ||
455 | mac = NULL; | |
456 | sprintf(name, "mac%c", 'a' + instance); | |
457 | mac = prom_getenv(name); | |
458 | if (!mac) { | |
459 | sprintf(name, "mac%c", 'a'); | |
460 | mac = prom_getenv(name); | |
461 | } | |
462 | if (!mac) { | |
463 | random_ether_addr(default_mac); | |
464 | mac = default_mac; | |
465 | } | |
466 | for (i = 0; i < 6; i++) | |
467 | dev_addr[i] = (char2hex(mac[i * 3]) << 4) + | |
468 | char2hex(mac[i * 3 + 1]); | |
469 | } | |
470 | ||
471 | static void __init detect_leds(void) | |
472 | { | |
473 | char *prid, *usb_prod; | |
474 | ||
475 | /* Default LEDs */ | |
476 | ar7_led_data.num_leds = ARRAY_SIZE(default_leds); | |
477 | ar7_led_data.leds = default_leds; | |
478 | ||
479 | /* FIXME: the whole thing is unreliable */ | |
480 | prid = prom_getenv("ProductID"); | |
481 | usb_prod = prom_getenv("usb_prod"); | |
482 | ||
483 | /* If we can't get the product id from PROM, use the default LEDs */ | |
484 | if (!prid) | |
485 | return; | |
486 | ||
487 | if (strstr(prid, "Fritz_Box_FON")) { | |
488 | ar7_led_data.num_leds = ARRAY_SIZE(fb_fon_leds); | |
489 | ar7_led_data.leds = fb_fon_leds; | |
490 | } else if (strstr(prid, "Fritz_Box_")) { | |
491 | ar7_led_data.num_leds = ARRAY_SIZE(fb_sl_leds); | |
492 | ar7_led_data.leds = fb_sl_leds; | |
493 | } else if ((!strcmp(prid, "AR7RD") || !strcmp(prid, "AR7DB")) | |
494 | && usb_prod != NULL && strstr(usb_prod, "DSL-502T")) { | |
495 | ar7_led_data.num_leds = ARRAY_SIZE(dsl502t_leds); | |
496 | ar7_led_data.leds = dsl502t_leds; | |
497 | } else if (strstr(prid, "DG834")) { | |
498 | ar7_led_data.num_leds = ARRAY_SIZE(dg834g_leds); | |
499 | ar7_led_data.leds = dg834g_leds; | |
500 | } | |
501 | } | |
502 | ||
503 | static int __init ar7_register_devices(void) | |
504 | { | |
d47fbb59 | 505 | u16 chip_id; |
7ca5dc14 | 506 | int res; |
72838a17 | 507 | u32 *bootcr, val; |
50ca9619 | 508 | #ifdef CONFIG_SERIAL_8250 |
599a8945 | 509 | static struct uart_port uart_port[2] __initdata; |
7ca5dc14 FF |
510 | |
511 | memset(uart_port, 0, sizeof(struct uart_port) * 2); | |
512 | ||
513 | uart_port[0].type = PORT_16550A; | |
514 | uart_port[0].line = 0; | |
515 | uart_port[0].irq = AR7_IRQ_UART0; | |
516 | uart_port[0].uartclk = ar7_bus_freq() / 2; | |
517 | uart_port[0].iotype = UPIO_MEM32; | |
518 | uart_port[0].mapbase = AR7_REGS_UART0; | |
519 | uart_port[0].membase = ioremap(uart_port[0].mapbase, 256); | |
520 | uart_port[0].regshift = 2; | |
521 | res = early_serial_setup(&uart_port[0]); | |
522 | if (res) | |
523 | return res; | |
524 | ||
525 | ||
526 | /* Only TNETD73xx have a second serial port */ | |
527 | if (ar7_has_second_uart()) { | |
528 | uart_port[1].type = PORT_16550A; | |
529 | uart_port[1].line = 1; | |
530 | uart_port[1].irq = AR7_IRQ_UART1; | |
531 | uart_port[1].uartclk = ar7_bus_freq() / 2; | |
532 | uart_port[1].iotype = UPIO_MEM32; | |
533 | uart_port[1].mapbase = UR8_REGS_UART1; | |
534 | uart_port[1].membase = ioremap(uart_port[1].mapbase, 256); | |
535 | uart_port[1].regshift = 2; | |
536 | res = early_serial_setup(&uart_port[1]); | |
537 | if (res) | |
538 | return res; | |
539 | } | |
50ca9619 | 540 | #endif /* CONFIG_SERIAL_8250 */ |
7ca5dc14 FF |
541 | res = platform_device_register(&physmap_flash); |
542 | if (res) | |
543 | return res; | |
544 | ||
545 | ar7_device_disable(vlynq_low_data.reset_bit); | |
546 | res = platform_device_register(&vlynq_low); | |
547 | if (res) | |
548 | return res; | |
549 | ||
550 | if (ar7_has_high_vlynq()) { | |
551 | ar7_device_disable(vlynq_high_data.reset_bit); | |
552 | res = platform_device_register(&vlynq_high); | |
553 | if (res) | |
554 | return res; | |
555 | } | |
556 | ||
557 | if (ar7_has_high_cpmac()) { | |
1e2c8d83 FF |
558 | res = fixed_phy_add(PHY_POLL, cpmac_high.id, &fixed_phy_status); |
559 | if (res && res != -ENODEV) | |
560 | return res; | |
7ca5dc14 FF |
561 | cpmac_get_mac(1, cpmac_high_data.dev_addr); |
562 | res = platform_device_register(&cpmac_high); | |
563 | if (res) | |
564 | return res; | |
565 | } else { | |
566 | cpmac_low_data.phy_mask = 0xffffffff; | |
567 | } | |
568 | ||
1e2c8d83 FF |
569 | res = fixed_phy_add(PHY_POLL, cpmac_low.id, &fixed_phy_status); |
570 | if (res && res != -ENODEV) | |
571 | return res; | |
572 | ||
7ca5dc14 FF |
573 | cpmac_get_mac(0, cpmac_low_data.dev_addr); |
574 | res = platform_device_register(&cpmac_low); | |
575 | if (res) | |
576 | return res; | |
577 | ||
578 | detect_leds(); | |
579 | res = platform_device_register(&ar7_gpio_leds); | |
580 | if (res) | |
581 | return res; | |
582 | ||
583 | res = platform_device_register(&ar7_udc); | |
584 | ||
d47fbb59 FF |
585 | chip_id = ar7_chip_id(); |
586 | switch (chip_id) { | |
587 | case AR7_CHIP_7100: | |
588 | case AR7_CHIP_7200: | |
589 | ar7_wdt_res.start = AR7_REGS_WDT; | |
590 | break; | |
591 | case AR7_CHIP_7300: | |
592 | ar7_wdt_res.start = UR8_REGS_WDT; | |
593 | break; | |
594 | default: | |
595 | break; | |
596 | } | |
597 | ||
598 | ar7_wdt_res.end = ar7_wdt_res.start + 0x20; | |
599 | ||
72838a17 FF |
600 | bootcr = (u32 *)ioremap_nocache(AR7_REGS_DCL, 4); |
601 | val = *bootcr; | |
602 | iounmap(bootcr); | |
603 | ||
604 | /* Register watchdog only if enabled in hardware */ | |
605 | if (val & AR7_WDT_HW_ENA) | |
606 | res = platform_device_register(&ar7_wdt); | |
d47fbb59 | 607 | |
7ca5dc14 FF |
608 | return res; |
609 | } | |
610 | arch_initcall(ar7_register_devices); |