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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>
31#include <linux/vlynq.h>
32#include <linux/leds.h>
33#include <linux/string.h>
34#include <linux/etherdevice.h>
35#include <linux/phy.h>
36#include <linux/phy_fixed.h>
37#include <linux/gpio.h>
38#include <linux/clk.h>
39
40#include <asm/addrspace.h>
41#include <asm/mach-ar7/ar7.h>
42#include <asm/mach-ar7/gpio.h>
43#include <asm/mach-ar7/prom.h>
44
45/*****************************************************************************
46 * VLYNQ Bus
47 ****************************************************************************/
48struct plat_vlynq_data {
49 struct plat_vlynq_ops ops;
50 int gpio_bit;
51 int reset_bit;
52};
53
54static int vlynq_on(struct vlynq_device *dev)
55{
56 int ret;
57 struct plat_vlynq_data *pdata = dev->dev.platform_data;
58
59 ret = gpio_request(pdata->gpio_bit, "vlynq");
60 if (ret)
61 goto out;
62
63 ar7_device_reset(pdata->reset_bit);
64
65 ret = ar7_gpio_disable(pdata->gpio_bit);
66 if (ret)
67 goto out_enabled;
68
69 ret = ar7_gpio_enable(pdata->gpio_bit);
70 if (ret)
71 goto out_enabled;
72
73 ret = gpio_direction_output(pdata->gpio_bit, 0);
74 if (ret)
75 goto out_gpio_enabled;
76
77 msleep(50);
78
79 gpio_set_value(pdata->gpio_bit, 1);
80
81 msleep(50);
82
83 return 0;
84
85out_gpio_enabled:
86 ar7_gpio_disable(pdata->gpio_bit);
87out_enabled:
88 ar7_device_disable(pdata->reset_bit);
89 gpio_free(pdata->gpio_bit);
90out:
91 return ret;
92}
93
94static void vlynq_off(struct vlynq_device *dev)
95{
96 struct plat_vlynq_data *pdata = dev->dev.platform_data;
97
98 ar7_gpio_disable(pdata->gpio_bit);
99 gpio_free(pdata->gpio_bit);
100 ar7_device_disable(pdata->reset_bit);
101}
102
103static struct resource vlynq_low_res[] = {
104 {
105 .name = "regs",
106 .flags = IORESOURCE_MEM,
107 .start = AR7_REGS_VLYNQ0,
108 .end = AR7_REGS_VLYNQ0 + 0xff,
109 },
110 {
111 .name = "irq",
112 .flags = IORESOURCE_IRQ,
113 .start = 29,
114 .end = 29,
115 },
116 {
117 .name = "mem",
118 .flags = IORESOURCE_MEM,
119 .start = 0x04000000,
120 .end = 0x04ffffff,
121 },
122 {
123 .name = "devirq",
124 .flags = IORESOURCE_IRQ,
125 .start = 80,
126 .end = 111,
127 },
128};
129
130static struct resource vlynq_high_res[] = {
131 {
132 .name = "regs",
133 .flags = IORESOURCE_MEM,
134 .start = AR7_REGS_VLYNQ1,
135 .end = AR7_REGS_VLYNQ1 + 0xff,
136 },
137 {
138 .name = "irq",
139 .flags = IORESOURCE_IRQ,
140 .start = 33,
141 .end = 33,
142 },
143 {
144 .name = "mem",
145 .flags = IORESOURCE_MEM,
146 .start = 0x0c000000,
147 .end = 0x0cffffff,
148 },
149 {
150 .name = "devirq",
151 .flags = IORESOURCE_IRQ,
152 .start = 112,
153 .end = 143,
154 },
155};
156
157static struct plat_vlynq_data vlynq_low_data = {
158 .ops = {
159 .on = vlynq_on,
160 .off = vlynq_off,
161 },
162 .reset_bit = 20,
163 .gpio_bit = 18,
164};
165
166static struct plat_vlynq_data vlynq_high_data = {
167 .ops = {
168 .on = vlynq_on,
169 .off = vlynq_off,
170 },
171 .reset_bit = 16,
172 .gpio_bit = 19,
173};
174
175static struct platform_device vlynq_low = {
176 .id = 0,
177 .name = "vlynq",
178 .dev = {
179 .platform_data = &vlynq_low_data,
180 },
181 .resource = vlynq_low_res,
182 .num_resources = ARRAY_SIZE(vlynq_low_res),
183};
184
185static struct platform_device vlynq_high = {
186 .id = 1,
187 .name = "vlynq",
188 .dev = {
189 .platform_data = &vlynq_high_data,
190 },
191 .resource = vlynq_high_res,
192 .num_resources = ARRAY_SIZE(vlynq_high_res),
193};
194
195/*****************************************************************************
196 * Flash
197 ****************************************************************************/
198static struct resource physmap_flash_resource = {
199 .name = "mem",
200 .flags = IORESOURCE_MEM,
201 .start = 0x10000000,
202 .end = 0x107fffff,
203};
204
205static struct physmap_flash_data physmap_flash_data = {
206 .width = 2,
207};
208
209static struct platform_device physmap_flash = {
210 .name = "physmap-flash",
211 .dev = {
212 .platform_data = &physmap_flash_data,
213 },
214 .resource = &physmap_flash_resource,
215 .num_resources = 1,
216};
217
218/*****************************************************************************
219 * Ethernet
220 ****************************************************************************/
221static struct resource cpmac_low_res[] = {
222 {
223 .name = "regs",
224 .flags = IORESOURCE_MEM,
225 .start = AR7_REGS_MAC0,
226 .end = AR7_REGS_MAC0 + 0x7ff,
227 },
228 {
229 .name = "irq",
230 .flags = IORESOURCE_IRQ,
231 .start = 27,
232 .end = 27,
233 },
234};
235
236static struct resource cpmac_high_res[] = {
237 {
238 .name = "regs",
239 .flags = IORESOURCE_MEM,
240 .start = AR7_REGS_MAC1,
241 .end = AR7_REGS_MAC1 + 0x7ff,
242 },
243 {
244 .name = "irq",
245 .flags = IORESOURCE_IRQ,
246 .start = 41,
247 .end = 41,
248 },
249};
250
251static struct fixed_phy_status fixed_phy_status __initdata = {
252 .link = 1,
253 .speed = 100,
254 .duplex = 1,
255};
256
257static struct plat_cpmac_data cpmac_low_data = {
258 .reset_bit = 17,
259 .power_bit = 20,
260 .phy_mask = 0x80000000,
261};
262
263static struct plat_cpmac_data cpmac_high_data = {
264 .reset_bit = 21,
265 .power_bit = 22,
266 .phy_mask = 0x7fffffff,
267};
268
269static u64 cpmac_dma_mask = DMA_BIT_MASK(32);
270
271static struct platform_device cpmac_low = {
272 .id = 0,
273 .name = "cpmac",
274 .dev = {
275 .dma_mask = &cpmac_dma_mask,
276 .coherent_dma_mask = DMA_BIT_MASK(32),
277 .platform_data = &cpmac_low_data,
278 },
279 .resource = cpmac_low_res,
280 .num_resources = ARRAY_SIZE(cpmac_low_res),
281};
282
283static struct platform_device cpmac_high = {
284 .id = 1,
285 .name = "cpmac",
286 .dev = {
287 .dma_mask = &cpmac_dma_mask,
288 .coherent_dma_mask = DMA_BIT_MASK(32),
289 .platform_data = &cpmac_high_data,
290 },
291 .resource = cpmac_high_res,
292 .num_resources = ARRAY_SIZE(cpmac_high_res),
293};
294
295static void __init cpmac_get_mac(int instance, unsigned char *dev_addr)
296{
297 char name[5], *mac;
298
299 sprintf(name, "mac%c", 'a' + instance);
300 mac = prom_getenv(name);
301 if (!mac && instance) {
302 sprintf(name, "mac%c", 'a');
303 mac = prom_getenv(name);
304 }
305
306 if (mac) {
307 if (sscanf(mac, "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx",
308 &dev_addr[0], &dev_addr[1],
309 &dev_addr[2], &dev_addr[3],
310 &dev_addr[4], &dev_addr[5]) != 6) {
311 pr_warning("cannot parse mac address, "
312 "using random address\n");
313 random_ether_addr(dev_addr);
314 }
315 } else
316 random_ether_addr(dev_addr);
317}
318
319/*****************************************************************************
320 * USB
321 ****************************************************************************/
322static struct resource usb_res[] = {
323 {
324 .name = "regs",
325 .flags = IORESOURCE_MEM,
326 .start = AR7_REGS_USB,
327 .end = AR7_REGS_USB + 0xff,
328 },
329 {
330 .name = "irq",
331 .flags = IORESOURCE_IRQ,
332 .start = 32,
333 .end = 32,
334 },
335 {
336 .name = "mem",
337 .flags = IORESOURCE_MEM,
338 .start = 0x03400000,
339 .end = 0x03401fff,
340 },
341};
342
343static struct platform_device ar7_udc = {
344 .name = "ar7_udc",
345 .resource = usb_res,
346 .num_resources = ARRAY_SIZE(usb_res),
347};
348
349/*****************************************************************************
350 * LEDs
351 ****************************************************************************/
352static struct gpio_led default_leds[] = {
353 {
354 .name = "status",
355 .gpio = 8,
356 .active_low = 1,
357 },
358};
359
360static struct gpio_led titan_leds[] = {
361 { .name = "status", .gpio = 8, .active_low = 1, },
362 { .name = "wifi", .gpio = 13, .active_low = 1, },
363};
364
365static struct gpio_led dsl502t_leds[] = {
366 {
367 .name = "status",
368 .gpio = 9,
369 .active_low = 1,
370 },
371 {
372 .name = "ethernet",
373 .gpio = 7,
374 .active_low = 1,
375 },
376 {
377 .name = "usb",
378 .gpio = 12,
379 .active_low = 1,
380 },
381};
382
383static struct gpio_led dg834g_leds[] = {
384 {
385 .name = "ppp",
386 .gpio = 6,
387 .active_low = 1,
388 },
389 {
390 .name = "status",
391 .gpio = 7,
392 .active_low = 1,
393 },
394 {
395 .name = "adsl",
396 .gpio = 8,
397 .active_low = 1,
398 },
399 {
400 .name = "wifi",
401 .gpio = 12,
402 .active_low = 1,
403 },
404 {
405 .name = "power",
406 .gpio = 14,
407 .active_low = 1,
408 .default_trigger = "default-on",
409 },
410};
411
412static struct gpio_led fb_sl_leds[] = {
413 {
414 .name = "1",
415 .gpio = 7,
416 },
417 {
418 .name = "2",
419 .gpio = 13,
420 .active_low = 1,
421 },
422 {
423 .name = "3",
424 .gpio = 10,
425 .active_low = 1,
426 },
427 {
428 .name = "4",
429 .gpio = 12,
430 .active_low = 1,
431 },
432 {
433 .name = "5",
434 .gpio = 9,
435 .active_low = 1,
436 },
437};
438
439static struct gpio_led fb_fon_leds[] = {
440 {
441 .name = "1",
442 .gpio = 8,
443 },
444 {
445 .name = "2",
446 .gpio = 3,
447 .active_low = 1,
448 },
449 {
450 .name = "3",
451 .gpio = 5,
452 },
453 {
454 .name = "4",
455 .gpio = 4,
456 .active_low = 1,
457 },
458 {
459 .name = "5",
460 .gpio = 11,
461 .active_low = 1,
462 },
463};
464
465static struct gpio_led gt701_leds[] = {
466 {
467 .name = "inet:green",
468 .gpio = 13,
469 .active_low = 1,
470 },
471 {
472 .name = "usb",
473 .gpio = 12,
474 .active_low = 1,
475 },
476 {
477 .name = "inet:red",
478 .gpio = 9,
479 .active_low = 1,
480 },
481 {
482 .name = "power:red",
483 .gpio = 7,
484 .active_low = 1,
485 },
486 {
487 .name = "power:green",
488 .gpio = 8,
489 .active_low = 1,
490 .default_trigger = "default-on",
491 },
492 {
493 .name = "ethernet",
494 .gpio = 10,
495 .active_low = 1,
496 },
497};
498
499static struct gpio_led_platform_data ar7_led_data;
500
501static struct platform_device ar7_gpio_leds = {
502 .name = "leds-gpio",
503 .dev = {
504 .platform_data = &ar7_led_data,
505 }
506};
507
508static void __init detect_leds(void)
509{
510 char *prid, *usb_prod;
511
512 /* Default LEDs */
513 ar7_led_data.num_leds = ARRAY_SIZE(default_leds);
514 ar7_led_data.leds = default_leds;
515
516 /* FIXME: the whole thing is unreliable */
517 prid = prom_getenv("ProductID");
518 usb_prod = prom_getenv("usb_prod");
519
520 /* If we can't get the product id from PROM, use the default LEDs */
521 if (!prid)
522 return;
523
524 if (strstr(prid, "Fritz_Box_FON")) {
525 ar7_led_data.num_leds = ARRAY_SIZE(fb_fon_leds);
526 ar7_led_data.leds = fb_fon_leds;
527 } else if (strstr(prid, "Fritz_Box_")) {
528 ar7_led_data.num_leds = ARRAY_SIZE(fb_sl_leds);
529 ar7_led_data.leds = fb_sl_leds;
530 } else if ((!strcmp(prid, "AR7RD") || !strcmp(prid, "AR7DB"))
531 && usb_prod != NULL && strstr(usb_prod, "DSL-502T")) {
532 ar7_led_data.num_leds = ARRAY_SIZE(dsl502t_leds);
533 ar7_led_data.leds = dsl502t_leds;
534 } else if (strstr(prid, "DG834")) {
535 ar7_led_data.num_leds = ARRAY_SIZE(dg834g_leds);
536 ar7_led_data.leds = dg834g_leds;
537 } else if (strstr(prid, "CYWM") || strstr(prid, "CYWL")) {
538 ar7_led_data.num_leds = ARRAY_SIZE(titan_leds);
539 ar7_led_data.leds = titan_leds;
540 } else if (strstr(prid, "GT701")) {
541 ar7_led_data.num_leds = ARRAY_SIZE(gt701_leds);
542 ar7_led_data.leds = gt701_leds;
543 }
544}
545
546/*****************************************************************************
547 * Watchdog
548 ****************************************************************************/
549static struct resource ar7_wdt_res = {
550 .name = "regs",
551 .flags = IORESOURCE_MEM,
552 .start = -1, /* Filled at runtime */
553 .end = -1, /* Filled at runtime */
554};
555
556static struct platform_device ar7_wdt = {
557 .name = "ar7_wdt",
558 .resource = &ar7_wdt_res,
559 .num_resources = 1,
560};
561
562/*****************************************************************************
563 * Init
564 ****************************************************************************/
565static int __init ar7_register_uarts(void)
566{
567#ifdef CONFIG_SERIAL_8250
568 static struct uart_port uart_port __initdata;
569 struct clk *bus_clk;
570 int res;
571
572 memset(&uart_port, 0, sizeof(struct uart_port));
573
574 bus_clk = clk_get(NULL, "bus");
575 if (IS_ERR(bus_clk))
576 panic("unable to get bus clk");
577
578 uart_port.type = PORT_AR7;
579 uart_port.uartclk = clk_get_rate(bus_clk) / 2;
580 uart_port.iotype = UPIO_MEM32;
581 uart_port.regshift = 2;
582
583 uart_port.line = 0;
584 uart_port.irq = AR7_IRQ_UART0;
585 uart_port.mapbase = AR7_REGS_UART0;
586 uart_port.membase = ioremap(uart_port.mapbase, 256);
587
588 res = early_serial_setup(&uart_port);
589 if (res)
590 return res;
591
592 /* Only TNETD73xx have a second serial port */
593 if (ar7_has_second_uart()) {
594 uart_port.line = 1;
595 uart_port.irq = AR7_IRQ_UART1;
596 uart_port.mapbase = UR8_REGS_UART1;
597 uart_port.membase = ioremap(uart_port.mapbase, 256);
598
599 res = early_serial_setup(&uart_port);
600 if (res)
601 return res;
602 }
603#endif
604
605 return 0;
606}
607
608static void __init titan_fixup_devices(void)
609{
610 /* Set vlynq0 data */
611 vlynq_low_data.reset_bit = 15;
612 vlynq_low_data.gpio_bit = 14;
613
614 /* Set vlynq1 data */
615 vlynq_high_data.reset_bit = 16;
616 vlynq_high_data.gpio_bit = 7;
617
618 /* Set vlynq0 resources */
619 vlynq_low_res[0].start = TITAN_REGS_VLYNQ0;
620 vlynq_low_res[0].end = TITAN_REGS_VLYNQ0 + 0xff;
621 vlynq_low_res[1].start = 33;
622 vlynq_low_res[1].end = 33;
623 vlynq_low_res[2].start = 0x0c000000;
624 vlynq_low_res[2].end = 0x0fffffff;
625 vlynq_low_res[3].start = 80;
626 vlynq_low_res[3].end = 111;
627
628 /* Set vlynq1 resources */
629 vlynq_high_res[0].start = TITAN_REGS_VLYNQ1;
630 vlynq_high_res[0].end = TITAN_REGS_VLYNQ1 + 0xff;
631 vlynq_high_res[1].start = 34;
632 vlynq_high_res[1].end = 34;
633 vlynq_high_res[2].start = 0x40000000;
634 vlynq_high_res[2].end = 0x43ffffff;
635 vlynq_high_res[3].start = 112;
636 vlynq_high_res[3].end = 143;
637
638 /* Set cpmac0 data */
639 cpmac_low_data.phy_mask = 0x40000000;
640
641 /* Set cpmac1 data */
642 cpmac_high_data.phy_mask = 0x80000000;
643
644 /* Set cpmac0 resources */
645 cpmac_low_res[0].start = TITAN_REGS_MAC0;
646 cpmac_low_res[0].end = TITAN_REGS_MAC0 + 0x7ff;
647
648 /* Set cpmac1 resources */
649 cpmac_high_res[0].start = TITAN_REGS_MAC1;
650 cpmac_high_res[0].end = TITAN_REGS_MAC1 + 0x7ff;
651}
652
653static int __init ar7_register_devices(void)
654{
655 void __iomem *bootcr;
656 u32 val;
657 int res;
658
659 res = ar7_register_uarts();
660 if (res)
661 pr_err("unable to setup uart(s): %d\n", res);
662
663 res = platform_device_register(&physmap_flash);
664 if (res)
665 pr_warning("unable to register physmap-flash: %d\n", res);
666
667 if (ar7_is_titan())
668 titan_fixup_devices();
669
670 ar7_device_disable(vlynq_low_data.reset_bit);
671 res = platform_device_register(&vlynq_low);
672 if (res)
673 pr_warning("unable to register vlynq-low: %d\n", res);
674
675 if (ar7_has_high_vlynq()) {
676 ar7_device_disable(vlynq_high_data.reset_bit);
677 res = platform_device_register(&vlynq_high);
678 if (res)
679 pr_warning("unable to register vlynq-high: %d\n", res);
680 }
681
682 if (ar7_has_high_cpmac()) {
683 res = fixed_phy_add(PHY_POLL, cpmac_high.id, &fixed_phy_status);
684 if (!res) {
685 cpmac_get_mac(1, cpmac_high_data.dev_addr);
686
687 res = platform_device_register(&cpmac_high);
688 if (res)
689 pr_warning("unable to register cpmac-high: %d\n", res);
690 } else
691 pr_warning("unable to add cpmac-high phy: %d\n", res);
692 } else
693 cpmac_low_data.phy_mask = 0xffffffff;
694
695 res = fixed_phy_add(PHY_POLL, cpmac_low.id, &fixed_phy_status);
696 if (!res) {
697 cpmac_get_mac(0, cpmac_low_data.dev_addr);
698 res = platform_device_register(&cpmac_low);
699 if (res)
700 pr_warning("unable to register cpmac-low: %d\n", res);
701 } else
702 pr_warning("unable to add cpmac-low phy: %d\n", res);
703
704 detect_leds();
705 res = platform_device_register(&ar7_gpio_leds);
706 if (res)
707 pr_warning("unable to register leds: %d\n", res);
708
709 res = platform_device_register(&ar7_udc);
710 if (res)
711 pr_warning("unable to register usb slave: %d\n", res);
712
713 /* Register watchdog only if enabled in hardware */
714 bootcr = ioremap_nocache(AR7_REGS_DCL, 4);
715 val = readl(bootcr);
716 iounmap(bootcr);
717 if (val & AR7_WDT_HW_ENA) {
718 if (ar7_has_high_vlynq())
719 ar7_wdt_res.start = UR8_REGS_WDT;
720 else
721 ar7_wdt_res.start = AR7_REGS_WDT;
722
723 ar7_wdt_res.end = ar7_wdt_res.start + 0x20;
724 res = platform_device_register(&ar7_wdt);
725 if (res)
726 pr_warning("unable to register watchdog: %d\n", res);
727 }
728
729 return 0;
730}
731device_initcall(ar7_register_devices);
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/delay.h>
23#include <linux/dma-mapping.h>
24#include <linux/platform_device.h>
25#include <linux/mtd/physmap.h>
26#include <linux/serial.h>
27#include <linux/serial_8250.h>
28#include <linux/ioport.h>
29#include <linux/io.h>
30#include <linux/vlynq.h>
31#include <linux/leds.h>
32#include <linux/string.h>
33#include <linux/etherdevice.h>
34#include <linux/phy.h>
35#include <linux/phy_fixed.h>
36#include <linux/gpio.h>
37#include <linux/clk.h>
38
39#include <asm/addrspace.h>
40#include <asm/mach-ar7/ar7.h>
41#include <asm/mach-ar7/prom.h>
42
43/*****************************************************************************
44 * VLYNQ Bus
45 ****************************************************************************/
46struct plat_vlynq_data {
47 struct plat_vlynq_ops ops;
48 int gpio_bit;
49 int reset_bit;
50};
51
52static int vlynq_on(struct vlynq_device *dev)
53{
54 int ret;
55 struct plat_vlynq_data *pdata = dev->dev.platform_data;
56
57 ret = gpio_request(pdata->gpio_bit, "vlynq");
58 if (ret)
59 goto out;
60
61 ar7_device_reset(pdata->reset_bit);
62
63 ret = ar7_gpio_disable(pdata->gpio_bit);
64 if (ret)
65 goto out_enabled;
66
67 ret = ar7_gpio_enable(pdata->gpio_bit);
68 if (ret)
69 goto out_enabled;
70
71 ret = gpio_direction_output(pdata->gpio_bit, 0);
72 if (ret)
73 goto out_gpio_enabled;
74
75 msleep(50);
76
77 gpio_set_value(pdata->gpio_bit, 1);
78
79 msleep(50);
80
81 return 0;
82
83out_gpio_enabled:
84 ar7_gpio_disable(pdata->gpio_bit);
85out_enabled:
86 ar7_device_disable(pdata->reset_bit);
87 gpio_free(pdata->gpio_bit);
88out:
89 return ret;
90}
91
92static void vlynq_off(struct vlynq_device *dev)
93{
94 struct plat_vlynq_data *pdata = dev->dev.platform_data;
95
96 ar7_gpio_disable(pdata->gpio_bit);
97 gpio_free(pdata->gpio_bit);
98 ar7_device_disable(pdata->reset_bit);
99}
100
101static struct resource vlynq_low_res[] = {
102 {
103 .name = "regs",
104 .flags = IORESOURCE_MEM,
105 .start = AR7_REGS_VLYNQ0,
106 .end = AR7_REGS_VLYNQ0 + 0xff,
107 },
108 {
109 .name = "irq",
110 .flags = IORESOURCE_IRQ,
111 .start = 29,
112 .end = 29,
113 },
114 {
115 .name = "mem",
116 .flags = IORESOURCE_MEM,
117 .start = 0x04000000,
118 .end = 0x04ffffff,
119 },
120 {
121 .name = "devirq",
122 .flags = IORESOURCE_IRQ,
123 .start = 80,
124 .end = 111,
125 },
126};
127
128static struct resource vlynq_high_res[] = {
129 {
130 .name = "regs",
131 .flags = IORESOURCE_MEM,
132 .start = AR7_REGS_VLYNQ1,
133 .end = AR7_REGS_VLYNQ1 + 0xff,
134 },
135 {
136 .name = "irq",
137 .flags = IORESOURCE_IRQ,
138 .start = 33,
139 .end = 33,
140 },
141 {
142 .name = "mem",
143 .flags = IORESOURCE_MEM,
144 .start = 0x0c000000,
145 .end = 0x0cffffff,
146 },
147 {
148 .name = "devirq",
149 .flags = IORESOURCE_IRQ,
150 .start = 112,
151 .end = 143,
152 },
153};
154
155static struct plat_vlynq_data vlynq_low_data = {
156 .ops = {
157 .on = vlynq_on,
158 .off = vlynq_off,
159 },
160 .reset_bit = 20,
161 .gpio_bit = 18,
162};
163
164static struct plat_vlynq_data vlynq_high_data = {
165 .ops = {
166 .on = vlynq_on,
167 .off = vlynq_off,
168 },
169 .reset_bit = 16,
170 .gpio_bit = 19,
171};
172
173static struct platform_device vlynq_low = {
174 .id = 0,
175 .name = "vlynq",
176 .dev = {
177 .platform_data = &vlynq_low_data,
178 },
179 .resource = vlynq_low_res,
180 .num_resources = ARRAY_SIZE(vlynq_low_res),
181};
182
183static struct platform_device vlynq_high = {
184 .id = 1,
185 .name = "vlynq",
186 .dev = {
187 .platform_data = &vlynq_high_data,
188 },
189 .resource = vlynq_high_res,
190 .num_resources = ARRAY_SIZE(vlynq_high_res),
191};
192
193/*****************************************************************************
194 * Flash
195 ****************************************************************************/
196static struct resource physmap_flash_resource = {
197 .name = "mem",
198 .flags = IORESOURCE_MEM,
199 .start = 0x10000000,
200 .end = 0x107fffff,
201};
202
203static const char *ar7_probe_types[] = { "ar7part", NULL };
204
205static struct physmap_flash_data physmap_flash_data = {
206 .width = 2,
207 .part_probe_types = ar7_probe_types,
208};
209
210static struct platform_device physmap_flash = {
211 .name = "physmap-flash",
212 .dev = {
213 .platform_data = &physmap_flash_data,
214 },
215 .resource = &physmap_flash_resource,
216 .num_resources = 1,
217};
218
219/*****************************************************************************
220 * Ethernet
221 ****************************************************************************/
222static struct resource cpmac_low_res[] = {
223 {
224 .name = "regs",
225 .flags = IORESOURCE_MEM,
226 .start = AR7_REGS_MAC0,
227 .end = AR7_REGS_MAC0 + 0x7ff,
228 },
229 {
230 .name = "irq",
231 .flags = IORESOURCE_IRQ,
232 .start = 27,
233 .end = 27,
234 },
235};
236
237static struct resource cpmac_high_res[] = {
238 {
239 .name = "regs",
240 .flags = IORESOURCE_MEM,
241 .start = AR7_REGS_MAC1,
242 .end = AR7_REGS_MAC1 + 0x7ff,
243 },
244 {
245 .name = "irq",
246 .flags = IORESOURCE_IRQ,
247 .start = 41,
248 .end = 41,
249 },
250};
251
252static struct fixed_phy_status fixed_phy_status __initdata = {
253 .link = 1,
254 .speed = 100,
255 .duplex = 1,
256};
257
258static struct plat_cpmac_data cpmac_low_data = {
259 .reset_bit = 17,
260 .power_bit = 20,
261 .phy_mask = 0x80000000,
262};
263
264static struct plat_cpmac_data cpmac_high_data = {
265 .reset_bit = 21,
266 .power_bit = 22,
267 .phy_mask = 0x7fffffff,
268};
269
270static u64 cpmac_dma_mask = DMA_BIT_MASK(32);
271
272static struct platform_device cpmac_low = {
273 .id = 0,
274 .name = "cpmac",
275 .dev = {
276 .dma_mask = &cpmac_dma_mask,
277 .coherent_dma_mask = DMA_BIT_MASK(32),
278 .platform_data = &cpmac_low_data,
279 },
280 .resource = cpmac_low_res,
281 .num_resources = ARRAY_SIZE(cpmac_low_res),
282};
283
284static struct platform_device cpmac_high = {
285 .id = 1,
286 .name = "cpmac",
287 .dev = {
288 .dma_mask = &cpmac_dma_mask,
289 .coherent_dma_mask = DMA_BIT_MASK(32),
290 .platform_data = &cpmac_high_data,
291 },
292 .resource = cpmac_high_res,
293 .num_resources = ARRAY_SIZE(cpmac_high_res),
294};
295
296static void __init cpmac_get_mac(int instance, unsigned char *dev_addr)
297{
298 char name[5], *mac;
299
300 sprintf(name, "mac%c", 'a' + instance);
301 mac = prom_getenv(name);
302 if (!mac && instance) {
303 sprintf(name, "mac%c", 'a');
304 mac = prom_getenv(name);
305 }
306
307 if (mac) {
308 if (!mac_pton(mac, dev_addr)) {
309 pr_warn("cannot parse mac address, using random address\n");
310 eth_random_addr(dev_addr);
311 }
312 } else
313 eth_random_addr(dev_addr);
314}
315
316/*****************************************************************************
317 * USB
318 ****************************************************************************/
319static struct resource usb_res[] = {
320 {
321 .name = "regs",
322 .flags = IORESOURCE_MEM,
323 .start = AR7_REGS_USB,
324 .end = AR7_REGS_USB + 0xff,
325 },
326 {
327 .name = "irq",
328 .flags = IORESOURCE_IRQ,
329 .start = 32,
330 .end = 32,
331 },
332 {
333 .name = "mem",
334 .flags = IORESOURCE_MEM,
335 .start = 0x03400000,
336 .end = 0x03401fff,
337 },
338};
339
340static struct platform_device ar7_udc = {
341 .name = "ar7_udc",
342 .resource = usb_res,
343 .num_resources = ARRAY_SIZE(usb_res),
344};
345
346/*****************************************************************************
347 * LEDs
348 ****************************************************************************/
349static const struct gpio_led default_leds[] = {
350 {
351 .name = "status",
352 .gpio = 8,
353 .active_low = 1,
354 },
355};
356
357static const struct gpio_led titan_leds[] = {
358 { .name = "status", .gpio = 8, .active_low = 1, },
359 { .name = "wifi", .gpio = 13, .active_low = 1, },
360};
361
362static const struct gpio_led dsl502t_leds[] = {
363 {
364 .name = "status",
365 .gpio = 9,
366 .active_low = 1,
367 },
368 {
369 .name = "ethernet",
370 .gpio = 7,
371 .active_low = 1,
372 },
373 {
374 .name = "usb",
375 .gpio = 12,
376 .active_low = 1,
377 },
378};
379
380static const struct gpio_led dg834g_leds[] = {
381 {
382 .name = "ppp",
383 .gpio = 6,
384 .active_low = 1,
385 },
386 {
387 .name = "status",
388 .gpio = 7,
389 .active_low = 1,
390 },
391 {
392 .name = "adsl",
393 .gpio = 8,
394 .active_low = 1,
395 },
396 {
397 .name = "wifi",
398 .gpio = 12,
399 .active_low = 1,
400 },
401 {
402 .name = "power",
403 .gpio = 14,
404 .active_low = 1,
405 .default_trigger = "default-on",
406 },
407};
408
409static const struct gpio_led fb_sl_leds[] = {
410 {
411 .name = "1",
412 .gpio = 7,
413 },
414 {
415 .name = "2",
416 .gpio = 13,
417 .active_low = 1,
418 },
419 {
420 .name = "3",
421 .gpio = 10,
422 .active_low = 1,
423 },
424 {
425 .name = "4",
426 .gpio = 12,
427 .active_low = 1,
428 },
429 {
430 .name = "5",
431 .gpio = 9,
432 .active_low = 1,
433 },
434};
435
436static const struct gpio_led fb_fon_leds[] = {
437 {
438 .name = "1",
439 .gpio = 8,
440 },
441 {
442 .name = "2",
443 .gpio = 3,
444 .active_low = 1,
445 },
446 {
447 .name = "3",
448 .gpio = 5,
449 },
450 {
451 .name = "4",
452 .gpio = 4,
453 .active_low = 1,
454 },
455 {
456 .name = "5",
457 .gpio = 11,
458 .active_low = 1,
459 },
460};
461
462static const struct gpio_led gt701_leds[] = {
463 {
464 .name = "inet:green",
465 .gpio = 13,
466 .active_low = 1,
467 },
468 {
469 .name = "usb",
470 .gpio = 12,
471 .active_low = 1,
472 },
473 {
474 .name = "inet:red",
475 .gpio = 9,
476 .active_low = 1,
477 },
478 {
479 .name = "power:red",
480 .gpio = 7,
481 .active_low = 1,
482 },
483 {
484 .name = "power:green",
485 .gpio = 8,
486 .active_low = 1,
487 .default_trigger = "default-on",
488 },
489 {
490 .name = "ethernet",
491 .gpio = 10,
492 .active_low = 1,
493 },
494};
495
496static struct gpio_led_platform_data ar7_led_data;
497
498static struct platform_device ar7_gpio_leds = {
499 .name = "leds-gpio",
500 .dev = {
501 .platform_data = &ar7_led_data,
502 }
503};
504
505static void __init detect_leds(void)
506{
507 char *prid, *usb_prod;
508
509 /* Default LEDs */
510 ar7_led_data.num_leds = ARRAY_SIZE(default_leds);
511 ar7_led_data.leds = default_leds;
512
513 /* FIXME: the whole thing is unreliable */
514 prid = prom_getenv("ProductID");
515 usb_prod = prom_getenv("usb_prod");
516
517 /* If we can't get the product id from PROM, use the default LEDs */
518 if (!prid)
519 return;
520
521 if (strstr(prid, "Fritz_Box_FON")) {
522 ar7_led_data.num_leds = ARRAY_SIZE(fb_fon_leds);
523 ar7_led_data.leds = fb_fon_leds;
524 } else if (strstr(prid, "Fritz_Box_")) {
525 ar7_led_data.num_leds = ARRAY_SIZE(fb_sl_leds);
526 ar7_led_data.leds = fb_sl_leds;
527 } else if ((!strcmp(prid, "AR7RD") || !strcmp(prid, "AR7DB"))
528 && usb_prod != NULL && strstr(usb_prod, "DSL-502T")) {
529 ar7_led_data.num_leds = ARRAY_SIZE(dsl502t_leds);
530 ar7_led_data.leds = dsl502t_leds;
531 } else if (strstr(prid, "DG834")) {
532 ar7_led_data.num_leds = ARRAY_SIZE(dg834g_leds);
533 ar7_led_data.leds = dg834g_leds;
534 } else if (strstr(prid, "CYWM") || strstr(prid, "CYWL")) {
535 ar7_led_data.num_leds = ARRAY_SIZE(titan_leds);
536 ar7_led_data.leds = titan_leds;
537 } else if (strstr(prid, "GT701")) {
538 ar7_led_data.num_leds = ARRAY_SIZE(gt701_leds);
539 ar7_led_data.leds = gt701_leds;
540 }
541}
542
543/*****************************************************************************
544 * Watchdog
545 ****************************************************************************/
546static struct resource ar7_wdt_res = {
547 .name = "regs",
548 .flags = IORESOURCE_MEM,
549 .start = -1, /* Filled at runtime */
550 .end = -1, /* Filled at runtime */
551};
552
553static struct platform_device ar7_wdt = {
554 .name = "ar7_wdt",
555 .resource = &ar7_wdt_res,
556 .num_resources = 1,
557};
558
559/*****************************************************************************
560 * Init
561 ****************************************************************************/
562static int __init ar7_register_uarts(void)
563{
564#ifdef CONFIG_SERIAL_8250
565 static struct uart_port uart_port __initdata;
566 struct clk *bus_clk;
567 int res;
568
569 memset(&uart_port, 0, sizeof(struct uart_port));
570
571 bus_clk = clk_get(NULL, "bus");
572 if (IS_ERR(bus_clk))
573 panic("unable to get bus clk");
574
575 uart_port.type = PORT_AR7;
576 uart_port.uartclk = clk_get_rate(bus_clk) / 2;
577 uart_port.iotype = UPIO_MEM32;
578 uart_port.flags = UPF_FIXED_TYPE | UPF_BOOT_AUTOCONF;
579 uart_port.regshift = 2;
580
581 uart_port.line = 0;
582 uart_port.irq = AR7_IRQ_UART0;
583 uart_port.mapbase = AR7_REGS_UART0;
584 uart_port.membase = ioremap(uart_port.mapbase, 256);
585
586 res = early_serial_setup(&uart_port);
587 if (res)
588 return res;
589
590 /* Only TNETD73xx have a second serial port */
591 if (ar7_has_second_uart()) {
592 uart_port.line = 1;
593 uart_port.irq = AR7_IRQ_UART1;
594 uart_port.mapbase = UR8_REGS_UART1;
595 uart_port.membase = ioremap(uart_port.mapbase, 256);
596
597 res = early_serial_setup(&uart_port);
598 if (res)
599 return res;
600 }
601#endif
602
603 return 0;
604}
605
606static void __init titan_fixup_devices(void)
607{
608 /* Set vlynq0 data */
609 vlynq_low_data.reset_bit = 15;
610 vlynq_low_data.gpio_bit = 14;
611
612 /* Set vlynq1 data */
613 vlynq_high_data.reset_bit = 16;
614 vlynq_high_data.gpio_bit = 7;
615
616 /* Set vlynq0 resources */
617 vlynq_low_res[0].start = TITAN_REGS_VLYNQ0;
618 vlynq_low_res[0].end = TITAN_REGS_VLYNQ0 + 0xff;
619 vlynq_low_res[1].start = 33;
620 vlynq_low_res[1].end = 33;
621 vlynq_low_res[2].start = 0x0c000000;
622 vlynq_low_res[2].end = 0x0fffffff;
623 vlynq_low_res[3].start = 80;
624 vlynq_low_res[3].end = 111;
625
626 /* Set vlynq1 resources */
627 vlynq_high_res[0].start = TITAN_REGS_VLYNQ1;
628 vlynq_high_res[0].end = TITAN_REGS_VLYNQ1 + 0xff;
629 vlynq_high_res[1].start = 34;
630 vlynq_high_res[1].end = 34;
631 vlynq_high_res[2].start = 0x40000000;
632 vlynq_high_res[2].end = 0x43ffffff;
633 vlynq_high_res[3].start = 112;
634 vlynq_high_res[3].end = 143;
635
636 /* Set cpmac0 data */
637 cpmac_low_data.phy_mask = 0x40000000;
638
639 /* Set cpmac1 data */
640 cpmac_high_data.phy_mask = 0x80000000;
641
642 /* Set cpmac0 resources */
643 cpmac_low_res[0].start = TITAN_REGS_MAC0;
644 cpmac_low_res[0].end = TITAN_REGS_MAC0 + 0x7ff;
645
646 /* Set cpmac1 resources */
647 cpmac_high_res[0].start = TITAN_REGS_MAC1;
648 cpmac_high_res[0].end = TITAN_REGS_MAC1 + 0x7ff;
649}
650
651static int __init ar7_register_devices(void)
652{
653 void __iomem *bootcr;
654 u32 val;
655 int res;
656
657 res = ar7_gpio_init();
658 if (res)
659 pr_warn("unable to register gpios: %d\n", res);
660
661 res = ar7_register_uarts();
662 if (res)
663 pr_err("unable to setup uart(s): %d\n", res);
664
665 res = platform_device_register(&physmap_flash);
666 if (res)
667 pr_warn("unable to register physmap-flash: %d\n", res);
668
669 if (ar7_is_titan())
670 titan_fixup_devices();
671
672 ar7_device_disable(vlynq_low_data.reset_bit);
673 res = platform_device_register(&vlynq_low);
674 if (res)
675 pr_warn("unable to register vlynq-low: %d\n", res);
676
677 if (ar7_has_high_vlynq()) {
678 ar7_device_disable(vlynq_high_data.reset_bit);
679 res = platform_device_register(&vlynq_high);
680 if (res)
681 pr_warn("unable to register vlynq-high: %d\n", res);
682 }
683
684 if (ar7_has_high_cpmac()) {
685 res = fixed_phy_add(PHY_POLL, cpmac_high.id,
686 &fixed_phy_status, -1);
687 if (!res) {
688 cpmac_get_mac(1, cpmac_high_data.dev_addr);
689
690 res = platform_device_register(&cpmac_high);
691 if (res)
692 pr_warn("unable to register cpmac-high: %d\n",
693 res);
694 } else
695 pr_warn("unable to add cpmac-high phy: %d\n", res);
696 } else
697 cpmac_low_data.phy_mask = 0xffffffff;
698
699 res = fixed_phy_add(PHY_POLL, cpmac_low.id, &fixed_phy_status, -1);
700 if (!res) {
701 cpmac_get_mac(0, cpmac_low_data.dev_addr);
702 res = platform_device_register(&cpmac_low);
703 if (res)
704 pr_warn("unable to register cpmac-low: %d\n", res);
705 } else
706 pr_warn("unable to add cpmac-low phy: %d\n", res);
707
708 detect_leds();
709 res = platform_device_register(&ar7_gpio_leds);
710 if (res)
711 pr_warn("unable to register leds: %d\n", res);
712
713 res = platform_device_register(&ar7_udc);
714 if (res)
715 pr_warn("unable to register usb slave: %d\n", res);
716
717 /* Register watchdog only if enabled in hardware */
718 bootcr = ioremap_nocache(AR7_REGS_DCL, 4);
719 val = readl(bootcr);
720 iounmap(bootcr);
721 if (val & AR7_WDT_HW_ENA) {
722 if (ar7_has_high_vlynq())
723 ar7_wdt_res.start = UR8_REGS_WDT;
724 else
725 ar7_wdt_res.start = AR7_REGS_WDT;
726
727 ar7_wdt_res.end = ar7_wdt_res.start + 0x20;
728 res = platform_device_register(&ar7_wdt);
729 if (res)
730 pr_warn("unable to register watchdog: %d\n", res);
731 }
732
733 return 0;
734}
735device_initcall(ar7_register_devices);