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TOMOYO Linux Cross Reference
Linux/arch/mips/ar7/platform.c

Version: ~ [ linux-5.12-rc7 ] ~ [ linux-5.11.13 ] ~ [ linux-5.10.29 ] ~ [ linux-5.9.16 ] ~ [ linux-5.8.18 ] ~ [ linux-5.7.19 ] ~ [ linux-5.6.19 ] ~ [ linux-5.5.19 ] ~ [ linux-5.4.111 ] ~ [ linux-5.3.18 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.186 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.230 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.266 ] ~ [ linux-4.8.17 ] ~ [ linux-4.7.10 ] ~ [ linux-4.6.7 ] ~ [ linux-4.5.7 ] ~ [ linux-4.4.266 ] ~ [ linux-4.3.6 ] ~ [ linux-4.2.8 ] ~ [ linux-4.1.52 ] ~ [ linux-4.0.9 ] ~ [ linux-3.18.140 ] ~ [ linux-3.16.85 ] ~ [ linux-3.14.79 ] ~ [ linux-3.12.74 ] ~ [ linux-3.10.108 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.5 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

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

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