remove AR71XX_EARLY_SERIAL stuff
[oweals/openwrt.git] / target / linux / ar71xx / files / arch / mips / ar71xx / devices.c
1 /*
2  *  Atheros AR71xx SoC platform devices
3  *
4  *  Copyright (C) 2008-2009 Gabor Juhos <juhosg@openwrt.org>
5  *  Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
6  *
7  *  Parts of this file are based on Atheros' 2.6.15 BSP
8  *
9  *  This program is free software; you can redistribute it and/or modify it
10  *  under the terms of the GNU General Public License version 2 as published
11  *  by the Free Software Foundation.
12  */
13
14 #include <linux/kernel.h>
15 #include <linux/init.h>
16 #include <linux/delay.h>
17 #include <linux/dma-mapping.h>
18 #include <linux/etherdevice.h>
19 #include <linux/platform_device.h>
20 #include <linux/serial_8250.h>
21 #include <linux/ath9k_platform.h>
22
23 #include <asm/mach-ar71xx/ar71xx.h>
24
25 #include "devices.h"
26
27 static u8 ar71xx_mac_base[ETH_ALEN] __initdata;
28
29 /*
30  * OHCI (USB full speed host controller)
31  */
32 static struct resource ar71xx_ohci_resources[] = {
33         [0] = {
34                 .start  = AR71XX_OHCI_BASE,
35                 .end    = AR71XX_OHCI_BASE + AR71XX_OHCI_SIZE - 1,
36                 .flags  = IORESOURCE_MEM,
37         },
38         [1] = {
39                 .start  = AR71XX_MISC_IRQ_OHCI,
40                 .end    = AR71XX_MISC_IRQ_OHCI,
41                 .flags  = IORESOURCE_IRQ,
42         },
43 };
44
45 static u64 ar71xx_ohci_dmamask = DMA_BIT_MASK(32);
46 static struct platform_device ar71xx_ohci_device = {
47         .name           = "ar71xx-ohci",
48         .id             = -1,
49         .resource       = ar71xx_ohci_resources,
50         .num_resources  = ARRAY_SIZE(ar71xx_ohci_resources),
51         .dev = {
52                 .dma_mask               = &ar71xx_ohci_dmamask,
53                 .coherent_dma_mask      = DMA_BIT_MASK(32),
54         },
55 };
56
57 /*
58  * EHCI (USB full speed host controller)
59  */
60 static struct resource ar71xx_ehci_resources[] = {
61         [0] = {
62                 .start  = AR71XX_EHCI_BASE,
63                 .end    = AR71XX_EHCI_BASE + AR71XX_EHCI_SIZE - 1,
64                 .flags  = IORESOURCE_MEM,
65         },
66         [1] = {
67                 .start  = AR71XX_CPU_IRQ_USB,
68                 .end    = AR71XX_CPU_IRQ_USB,
69                 .flags  = IORESOURCE_IRQ,
70         },
71 };
72
73
74 static u64 ar71xx_ehci_dmamask = DMA_BIT_MASK(32);
75 static struct ar71xx_ehci_platform_data ar71xx_ehci_data;
76
77 static struct platform_device ar71xx_ehci_device = {
78         .name           = "ar71xx-ehci",
79         .id             = -1,
80         .resource       = ar71xx_ehci_resources,
81         .num_resources  = ARRAY_SIZE(ar71xx_ehci_resources),
82         .dev = {
83                 .dma_mask               = &ar71xx_ehci_dmamask,
84                 .coherent_dma_mask      = DMA_BIT_MASK(32),
85                 .platform_data          = &ar71xx_ehci_data,
86         },
87 };
88
89 #define AR71XX_USB_RESET_MASK \
90         (RESET_MODULE_USB_HOST | RESET_MODULE_USB_PHY \
91         | RESET_MODULE_USB_OHCI_DLL)
92
93 static void ar71xx_usb_setup(void)
94 {
95         ar71xx_device_stop(AR71XX_USB_RESET_MASK);
96         mdelay(1000);
97         ar71xx_device_start(AR71XX_USB_RESET_MASK);
98
99         /* Turning on the Buff and Desc swap bits */
100         ar71xx_usb_ctrl_wr(USB_CTRL_REG_CONFIG, 0xf0000);
101
102         /* WAR for HW bug. Here it adjusts the duration between two SOFS */
103         ar71xx_usb_ctrl_wr(USB_CTRL_REG_FLADJ, 0x20c00);
104
105         mdelay(900);
106 }
107
108 static void ar91xx_usb_setup(void)
109 {
110         ar71xx_device_stop(RESET_MODULE_USBSUS_OVERRIDE);
111         mdelay(10);
112
113         ar71xx_device_start(RESET_MODULE_USB_HOST);
114         mdelay(10);
115
116         ar71xx_device_start(RESET_MODULE_USB_PHY);
117         mdelay(10);
118 }
119
120 void __init ar71xx_add_device_usb(void)
121 {
122         switch (ar71xx_soc) {
123         case AR71XX_SOC_AR7130:
124         case AR71XX_SOC_AR7141:
125         case AR71XX_SOC_AR7161:
126                 ar71xx_usb_setup();
127                 platform_device_register(&ar71xx_ohci_device);
128                 platform_device_register(&ar71xx_ehci_device);
129                 break;
130
131         case AR71XX_SOC_AR9130:
132         case AR71XX_SOC_AR9132:
133                 ar91xx_usb_setup();
134                 ar71xx_ehci_data.is_ar91xx = 1;
135                 platform_device_register(&ar71xx_ehci_device);
136                 break;
137
138         default:
139                 BUG();
140         }
141 }
142
143 static struct resource ar71xx_uart_resources[] = {
144         {
145                 .start  = AR71XX_UART_BASE,
146                 .end    = AR71XX_UART_BASE + AR71XX_UART_SIZE - 1,
147                 .flags  = IORESOURCE_MEM,
148         },
149 };
150
151 #define AR71XX_UART_FLAGS (UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP)
152 static struct plat_serial8250_port ar71xx_uart_data[] = {
153         {
154                 .mapbase        = AR71XX_UART_BASE,
155                 .irq            = AR71XX_MISC_IRQ_UART,
156                 .flags          = AR71XX_UART_FLAGS,
157                 .iotype         = UPIO_MEM32,
158                 .regshift       = 2,
159         }, {
160                 /* terminating entry */
161         }
162 };
163
164 static struct platform_device ar71xx_uart_device = {
165         .name           = "serial8250",
166         .id             = PLAT8250_DEV_PLATFORM,
167         .resource       = ar71xx_uart_resources,
168         .num_resources  = ARRAY_SIZE(ar71xx_uart_resources),
169         .dev = {
170                 .platform_data  = ar71xx_uart_data
171         },
172 };
173
174 void __init ar71xx_add_device_uart(void)
175 {
176         ar71xx_uart_data[0].uartclk = ar71xx_ahb_freq;
177         platform_device_register(&ar71xx_uart_device);
178 }
179
180 static struct resource ar71xx_mdio_resources[] = {
181         {
182                 .name   = "mdio_base",
183                 .flags  = IORESOURCE_MEM,
184                 .start  = AR71XX_GE0_BASE + 0x20,
185                 .end    = AR71XX_GE0_BASE + 0x38 - 1,
186         }
187 };
188
189 static struct ag71xx_mdio_platform_data ar71xx_mdio_data = {
190         .phy_mask       = 0xffffffff,
191 };
192
193 static struct platform_device ar71xx_mdio_device = {
194         .name           = "ag71xx-mdio",
195         .id             = -1,
196         .resource       = ar71xx_mdio_resources,
197         .num_resources  = ARRAY_SIZE(ar71xx_mdio_resources),
198         .dev = {
199                 .platform_data = &ar71xx_mdio_data,
200         },
201 };
202
203 void __init ar71xx_add_device_mdio(u32 phy_mask)
204 {
205         ar71xx_mdio_data.phy_mask = phy_mask;
206         platform_device_register(&ar71xx_mdio_device);
207 }
208
209 static void ar71xx_set_pll(u32 cfg_reg, u32 pll_reg, u32 pll_val, u32 shift)
210 {
211         void __iomem *base;
212         u32 t;
213
214         base = ioremap_nocache(AR71XX_PLL_BASE, AR71XX_PLL_SIZE);
215
216         t = __raw_readl(base + cfg_reg);
217         t &= ~(3 << shift);
218         t |=  (2 << shift);
219         __raw_writel(t, base + cfg_reg);
220         udelay(100);
221
222         __raw_writel(pll_val, base + pll_reg);
223
224         t |= (3 << shift);
225         __raw_writel(t, base + cfg_reg);
226         udelay(100);
227
228         t &= ~(3 << shift);
229         __raw_writel(t, base + cfg_reg);
230         udelay(100);
231
232         printk(KERN_DEBUG "ar71xx: pll_reg %#x: %#x\n",
233                 (unsigned int)(base + pll_reg), __raw_readl(base + pll_reg));
234
235         iounmap(base);
236 }
237
238 struct ar71xx_eth_pll_data ar71xx_eth0_pll_data;
239 struct ar71xx_eth_pll_data ar71xx_eth1_pll_data;
240
241 static u32 ar71xx_get_eth_pll(unsigned int mac, int speed)
242 {
243         struct ar71xx_eth_pll_data *pll_data;
244         u32 pll_val;
245
246         switch (mac) {
247         case 0:
248                 pll_data = &ar71xx_eth0_pll_data;
249                 break;
250         case 1:
251                 pll_data = &ar71xx_eth1_pll_data;
252                 break;
253         default:
254                 BUG();
255         }
256
257         switch (speed) {
258         case SPEED_10:
259                 pll_val = pll_data->pll_10;
260                 break;
261         case SPEED_100:
262                 pll_val = pll_data->pll_100;
263                 break;
264         case SPEED_1000:
265                 pll_val = pll_data->pll_1000;
266                 break;
267         default:
268                 BUG();
269         }
270
271         return pll_val;
272 }
273
274 static void ar71xx_set_pll_ge0(int speed)
275 {
276         u32 val = ar71xx_get_eth_pll(0, speed);
277
278         ar71xx_set_pll(AR71XX_PLL_REG_SEC_CONFIG, AR71XX_PLL_REG_ETH0_INT_CLOCK,
279                         val, AR71XX_ETH0_PLL_SHIFT);
280 }
281
282 static void ar71xx_set_pll_ge1(int speed)
283 {
284         u32 val = ar71xx_get_eth_pll(1, speed);
285
286         ar71xx_set_pll(AR71XX_PLL_REG_SEC_CONFIG, AR71XX_PLL_REG_ETH1_INT_CLOCK,
287                          val, AR71XX_ETH1_PLL_SHIFT);
288 }
289
290 static void ar724x_set_pll_ge0(int speed)
291 {
292         /* TODO */
293 }
294
295 static void ar724x_set_pll_ge1(int speed)
296 {
297         /* TODO */
298 }
299
300 static void ar91xx_set_pll_ge0(int speed)
301 {
302         u32 val = ar71xx_get_eth_pll(0, speed);
303
304         ar71xx_set_pll(AR91XX_PLL_REG_ETH_CONFIG, AR91XX_PLL_REG_ETH0_INT_CLOCK,
305                          val, AR91XX_ETH0_PLL_SHIFT);
306 }
307
308 static void ar91xx_set_pll_ge1(int speed)
309 {
310         u32 val = ar71xx_get_eth_pll(1, speed);
311
312         ar71xx_set_pll(AR91XX_PLL_REG_ETH_CONFIG, AR91XX_PLL_REG_ETH1_INT_CLOCK,
313                          val, AR91XX_ETH1_PLL_SHIFT);
314 }
315
316 static void ar71xx_ddr_flush_ge0(void)
317 {
318         ar71xx_ddr_flush(AR71XX_DDR_REG_FLUSH_GE0);
319 }
320
321 static void ar71xx_ddr_flush_ge1(void)
322 {
323         ar71xx_ddr_flush(AR71XX_DDR_REG_FLUSH_GE1);
324 }
325
326 static void ar724x_ddr_flush_ge0(void)
327 {
328         ar71xx_ddr_flush(AR724X_DDR_REG_FLUSH_GE0);
329 }
330
331 static void ar724x_ddr_flush_ge1(void)
332 {
333         ar71xx_ddr_flush(AR724X_DDR_REG_FLUSH_GE1);
334 }
335
336 static void ar91xx_ddr_flush_ge0(void)
337 {
338         ar71xx_ddr_flush(AR91XX_DDR_REG_FLUSH_GE0);
339 }
340
341 static void ar91xx_ddr_flush_ge1(void)
342 {
343         ar71xx_ddr_flush(AR91XX_DDR_REG_FLUSH_GE1);
344 }
345
346 static struct resource ar71xx_eth0_resources[] = {
347         {
348                 .name   = "mac_base",
349                 .flags  = IORESOURCE_MEM,
350                 .start  = AR71XX_GE0_BASE,
351                 .end    = AR71XX_GE0_BASE + 0x20 - 1,
352         }, {
353                 .name   = "mac_base2",
354                 .flags  = IORESOURCE_MEM,
355                 .start  = AR71XX_GE0_BASE + 0x38,
356                 .end    = AR71XX_GE0_BASE + 0x200 - 1,
357         }, {
358                 .name   = "mii_ctrl",
359                 .flags  = IORESOURCE_MEM,
360                 .start  = AR71XX_MII_BASE + MII_REG_MII0_CTRL,
361                 .end    = AR71XX_MII_BASE + MII_REG_MII0_CTRL + 3,
362         }, {
363                 .name   = "mac_irq",
364                 .flags  = IORESOURCE_IRQ,
365                 .start  = AR71XX_CPU_IRQ_GE0,
366                 .end    = AR71XX_CPU_IRQ_GE0,
367         },
368 };
369
370 struct ag71xx_platform_data ar71xx_eth0_data = {
371         .reset_bit      = RESET_MODULE_GE0_MAC,
372 };
373
374 static struct platform_device ar71xx_eth0_device = {
375         .name           = "ag71xx",
376         .id             = 0,
377         .resource       = ar71xx_eth0_resources,
378         .num_resources  = ARRAY_SIZE(ar71xx_eth0_resources),
379         .dev = {
380                 .platform_data = &ar71xx_eth0_data,
381         },
382 };
383
384 static struct resource ar71xx_eth1_resources[] = {
385         {
386                 .name   = "mac_base",
387                 .flags  = IORESOURCE_MEM,
388                 .start  = AR71XX_GE1_BASE,
389                 .end    = AR71XX_GE1_BASE + 0x20 - 1,
390         }, {
391                 .name   = "mac_base2",
392                 .flags  = IORESOURCE_MEM,
393                 .start  = AR71XX_GE1_BASE + 0x38,
394                 .end    = AR71XX_GE1_BASE + 0x200 - 1,
395         }, {
396                 .name   = "mii_ctrl",
397                 .flags  = IORESOURCE_MEM,
398                 .start  = AR71XX_MII_BASE + MII_REG_MII1_CTRL,
399                 .end    = AR71XX_MII_BASE + MII_REG_MII1_CTRL + 3,
400         }, {
401                 .name   = "mac_irq",
402                 .flags  = IORESOURCE_IRQ,
403                 .start  = AR71XX_CPU_IRQ_GE1,
404                 .end    = AR71XX_CPU_IRQ_GE1,
405         },
406 };
407
408 struct ag71xx_platform_data ar71xx_eth1_data = {
409         .reset_bit      = RESET_MODULE_GE1_MAC,
410 };
411
412 static struct platform_device ar71xx_eth1_device = {
413         .name           = "ag71xx",
414         .id             = 1,
415         .resource       = ar71xx_eth1_resources,
416         .num_resources  = ARRAY_SIZE(ar71xx_eth1_resources),
417         .dev = {
418                 .platform_data = &ar71xx_eth1_data,
419         },
420 };
421
422 #define AR71XX_PLL_VAL_1000     0x00110000
423 #define AR71XX_PLL_VAL_100      0x00001099
424 #define AR71XX_PLL_VAL_10       0x00991099
425
426 #define AR724X_PLL_VAL_1000     0x00110000
427 #define AR724X_PLL_VAL_100      0x00001099
428 #define AR724X_PLL_VAL_10       0x00991099
429
430 #define AR91XX_PLL_VAL_1000     0x1a000000
431 #define AR91XX_PLL_VAL_100      0x13000a44
432 #define AR91XX_PLL_VAL_10       0x00441099
433
434 static void __init ar71xx_init_eth_pll_data(unsigned int id)
435 {
436         struct ar71xx_eth_pll_data *pll_data;
437         u32 pll_10, pll_100, pll_1000;
438
439         switch (id) {
440         case 0:
441                 pll_data = &ar71xx_eth0_pll_data;
442                 break;
443         case 1:
444                 pll_data = &ar71xx_eth1_pll_data;
445                 break;
446         default:
447                 BUG();
448         }
449
450         switch (ar71xx_soc) {
451         case AR71XX_SOC_AR7130:
452         case AR71XX_SOC_AR7141:
453         case AR71XX_SOC_AR7161:
454                 pll_10 = AR71XX_PLL_VAL_10;
455                 pll_100 = AR71XX_PLL_VAL_100;
456                 pll_1000 = AR71XX_PLL_VAL_1000;
457                 break;
458
459         case AR71XX_SOC_AR7240:
460                 pll_10 = AR724X_PLL_VAL_10;
461                 pll_100 = AR724X_PLL_VAL_100;
462                 pll_1000 = AR724X_PLL_VAL_1000;
463                 break;
464
465         case AR71XX_SOC_AR9130:
466         case AR71XX_SOC_AR9132:
467                 pll_10 = AR91XX_PLL_VAL_10;
468                 pll_100 = AR91XX_PLL_VAL_100;
469                 pll_1000 = AR91XX_PLL_VAL_1000;
470                 break;
471         default:
472                 BUG();
473         }
474
475         if (!pll_data->pll_10)
476                 pll_data->pll_10 = pll_10;
477
478         if (!pll_data->pll_100)
479                 pll_data->pll_100 = pll_100;
480
481         if (!pll_data->pll_1000)
482                 pll_data->pll_1000 = pll_1000;
483 }
484
485 static int ar71xx_eth_instance __initdata;
486 void __init ar71xx_add_device_eth(unsigned int id)
487 {
488         struct platform_device *pdev;
489         struct ag71xx_platform_data *pdata;
490
491         ar71xx_init_eth_pll_data(id);
492
493         switch (id) {
494         case 0:
495                 switch (ar71xx_eth0_data.phy_if_mode) {
496                 case PHY_INTERFACE_MODE_MII:
497                         ar71xx_eth0_data.mii_if = MII0_CTRL_IF_MII;
498                         break;
499                 case PHY_INTERFACE_MODE_GMII:
500                         ar71xx_eth0_data.mii_if = MII0_CTRL_IF_GMII;
501                         break;
502                 case PHY_INTERFACE_MODE_RGMII:
503                         ar71xx_eth0_data.mii_if = MII0_CTRL_IF_RGMII;
504                         break;
505                 case PHY_INTERFACE_MODE_RMII:
506                         ar71xx_eth0_data.mii_if = MII0_CTRL_IF_RMII;
507                         break;
508                 default:
509                         printk(KERN_ERR "ar71xx: invalid PHY interface mode "
510                                         "for eth0\n");
511                         return;
512                 }
513                 pdev = &ar71xx_eth0_device;
514                 break;
515         case 1:
516                 switch (ar71xx_eth1_data.phy_if_mode) {
517                 case PHY_INTERFACE_MODE_RMII:
518                         ar71xx_eth1_data.mii_if = MII1_CTRL_IF_RMII;
519                         break;
520                 case PHY_INTERFACE_MODE_RGMII:
521                         ar71xx_eth1_data.mii_if = MII1_CTRL_IF_RGMII;
522                         break;
523                 default:
524                         printk(KERN_ERR "ar71xx: invalid PHY interface mode "
525                                         "for eth1\n");
526                         return;
527                 }
528                 pdev = &ar71xx_eth1_device;
529                 break;
530         default:
531                 printk(KERN_ERR "ar71xx: invalid ethernet id %d\n", id);
532                 return;
533         }
534
535         pdata = pdev->dev.platform_data;
536
537         switch (ar71xx_soc) {
538         case AR71XX_SOC_AR7130:
539                 pdata->ddr_flush = id ? ar71xx_ddr_flush_ge1
540                                       : ar71xx_ddr_flush_ge0;
541                 pdata->set_pll =  id ? ar71xx_set_pll_ge1
542                                      : ar71xx_set_pll_ge0;
543                 break;
544
545         case AR71XX_SOC_AR7141:
546         case AR71XX_SOC_AR7161:
547                 pdata->ddr_flush = id ? ar71xx_ddr_flush_ge1
548                                       : ar71xx_ddr_flush_ge0;
549                 pdata->set_pll =  id ? ar71xx_set_pll_ge1
550                                      : ar71xx_set_pll_ge0;
551                 pdata->has_gbit = 1;
552                 break;
553
554         case AR71XX_SOC_AR7240:
555                 pdata->ddr_flush = id ? ar724x_ddr_flush_ge1
556                                       : ar724x_ddr_flush_ge0;
557                 pdata->set_pll =  id ? ar724x_set_pll_ge1
558                                      : ar724x_set_pll_ge0;
559                 pdata->is_ar724x = 1;
560                 break;
561
562         case AR71XX_SOC_AR9130:
563                 pdata->ddr_flush = id ? ar91xx_ddr_flush_ge1
564                                       : ar91xx_ddr_flush_ge0;
565                 pdata->set_pll =  id ? ar91xx_set_pll_ge1
566                                      : ar91xx_set_pll_ge0;
567                 pdata->is_ar91xx = 1;
568                 break;
569
570         case AR71XX_SOC_AR9132:
571                 pdata->ddr_flush = id ? ar91xx_ddr_flush_ge1
572                                       : ar91xx_ddr_flush_ge0;
573                 pdata->set_pll =  id ? ar91xx_set_pll_ge1
574                                       : ar91xx_set_pll_ge0;
575                 pdata->is_ar91xx = 1;
576                 pdata->has_gbit = 1;
577                 break;
578
579         default:
580                 BUG();
581         }
582
583         switch (pdata->phy_if_mode) {
584         case PHY_INTERFACE_MODE_GMII:
585         case PHY_INTERFACE_MODE_RGMII:
586                 if (!pdata->has_gbit) {
587                         printk(KERN_ERR "ar71xx: no gbit available on eth%d\n",
588                                         id);
589                         return;
590                 }
591                 /* fallthrough */
592         default:
593                 break;
594         }
595
596         if (is_valid_ether_addr(ar71xx_mac_base)) {
597                 memcpy(pdata->mac_addr, ar71xx_mac_base, ETH_ALEN);
598                 pdata->mac_addr[5] += ar71xx_eth_instance;
599         } else {
600                 random_ether_addr(pdata->mac_addr);
601                 printk(KERN_DEBUG
602                         "ar71xx: using random MAC address for eth%d\n",
603                         ar71xx_eth_instance);
604         }
605
606         platform_device_register(pdev);
607         ar71xx_eth_instance++;
608 }
609
610 static struct resource ar71xx_spi_resources[] = {
611         [0] = {
612                 .start  = AR71XX_SPI_BASE,
613                 .end    = AR71XX_SPI_BASE + AR71XX_SPI_SIZE - 1,
614                 .flags  = IORESOURCE_MEM,
615         },
616 };
617
618 static struct platform_device ar71xx_spi_device = {
619         .name           = "ar71xx-spi",
620         .id             = -1,
621         .resource       = ar71xx_spi_resources,
622         .num_resources  = ARRAY_SIZE(ar71xx_spi_resources),
623 };
624
625 void __init ar71xx_add_device_spi(struct ar71xx_spi_platform_data *pdata,
626                                 struct spi_board_info const *info,
627                                 unsigned n)
628 {
629         spi_register_board_info(info, n);
630         ar71xx_spi_device.dev.platform_data = pdata;
631         platform_device_register(&ar71xx_spi_device);
632 }
633
634 void __init ar71xx_add_device_leds_gpio(int id, unsigned num_leds,
635                                 struct gpio_led *leds)
636 {
637         struct platform_device *pdev;
638         struct gpio_led_platform_data pdata;
639         struct gpio_led *p;
640         int err;
641
642         p = kmalloc(num_leds * sizeof(*p), GFP_KERNEL);
643         if (!p)
644                 return;
645
646         memcpy(p, leds, num_leds * sizeof(*p));
647
648         pdev = platform_device_alloc("leds-gpio", id);
649         if (!pdev)
650                 goto err_free_leds;
651
652         memset(&pdata, 0, sizeof(pdata));
653         pdata.num_leds = num_leds;
654         pdata.leds = p;
655
656         err = platform_device_add_data(pdev, &pdata, sizeof(pdata));
657         if (err)
658                 goto err_put_pdev;
659
660         err = platform_device_add(pdev);
661         if (err)
662                 goto err_put_pdev;
663
664         return;
665
666 err_put_pdev:
667         platform_device_put(pdev);
668
669 err_free_leds:
670         kfree(p);
671 }
672
673 void __init ar71xx_add_device_gpio_buttons(int id,
674                                            unsigned poll_interval,
675                                            unsigned nbuttons,
676                                            struct gpio_button *buttons)
677 {
678         struct platform_device *pdev;
679         struct gpio_buttons_platform_data pdata;
680         struct gpio_button *p;
681         int err;
682
683         p = kmalloc(nbuttons * sizeof(*p), GFP_KERNEL);
684         if (!p)
685                 return;
686
687         memcpy(p, buttons, nbuttons * sizeof(*p));
688
689         pdev = platform_device_alloc("gpio-buttons", id);
690         if (!pdev)
691                 goto err_free_buttons;
692
693         memset(&pdata, 0, sizeof(pdata));
694         pdata.poll_interval = poll_interval;
695         pdata.nbuttons = nbuttons;
696         pdata.buttons = p;
697
698         err = platform_device_add_data(pdev, &pdata, sizeof(pdata));
699         if (err)
700                 goto err_put_pdev;
701
702
703         err = platform_device_add(pdev);
704         if (err)
705                 goto err_put_pdev;
706
707         return;
708
709 err_put_pdev:
710         platform_device_put(pdev);
711
712 err_free_buttons:
713         kfree(p);
714 }
715
716 void __init ar71xx_add_device_wdt(void)
717 {
718         platform_device_register_simple("ar71xx-wdt", -1, NULL, 0);
719 }
720
721 void __init ar71xx_set_mac_base(unsigned char *mac)
722 {
723         memcpy(ar71xx_mac_base, mac, ETH_ALEN);
724 }
725
726 void __init ar71xx_parse_mac_addr(char *mac_str)
727 {
728         u8 tmp[ETH_ALEN];
729         int t;
730
731         t = sscanf(mac_str, "%02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx",
732                         &tmp[0], &tmp[1], &tmp[2], &tmp[3], &tmp[4], &tmp[5]);
733
734         if (t != ETH_ALEN)
735                 t = sscanf(mac_str, "%02hhx.%02hhx.%02hhx.%02hhx.%02hhx.%02hhx",
736                         &tmp[0], &tmp[1], &tmp[2], &tmp[3], &tmp[4], &tmp[5]);
737
738         if (t == ETH_ALEN)
739                 ar71xx_set_mac_base(tmp);
740         else
741                 printk(KERN_DEBUG "ar71xx: failed to parse mac address "
742                                 "\"%s\"\n", mac_str);
743 }
744
745 static struct resource ar91xx_wmac_resources[] = {
746         {
747                 .start  = AR91XX_WMAC_BASE,
748                 .end    = AR91XX_WMAC_BASE + AR91XX_WMAC_SIZE - 1,
749                 .flags  = IORESOURCE_MEM,
750         }, {
751                 .start  = AR71XX_CPU_IRQ_WMAC,
752                 .end    = AR71XX_CPU_IRQ_WMAC,
753                 .flags  = IORESOURCE_IRQ,
754         },
755 };
756
757 static struct ath9k_platform_data ar91xx_wmac_data;
758
759 static struct platform_device ar91xx_wmac_device = {
760         .name           = "ath9k",
761         .id             = -1,
762         .resource       = ar91xx_wmac_resources,
763         .num_resources  = ARRAY_SIZE(ar91xx_wmac_resources),
764         .dev = {
765                 .platform_data = &ar91xx_wmac_data,
766         },
767 };
768
769 void __init ar91xx_add_device_wmac(void)
770 {
771         u8 *ee = (u8 *) KSEG1ADDR(0x1fff1000);
772
773         memcpy(ar91xx_wmac_data.eeprom_data, ee,
774                sizeof(ar91xx_wmac_data.eeprom_data));
775
776         ar71xx_device_stop(RESET_MODULE_AMBA2WMAC);
777         mdelay(10);
778
779         ar71xx_device_start(RESET_MODULE_AMBA2WMAC);
780         mdelay(10);
781
782         platform_device_register(&ar91xx_wmac_device);
783 }
784
785 static struct platform_device ar71xx_dsa_switch_device = {
786         .name           = "dsa",
787         .id             = 0,
788 };
789
790 void __init ar71xx_add_device_dsa(unsigned int id,
791                                   struct dsa_platform_data *d)
792 {
793         switch (id) {
794         case 0:
795                 d->netdev = &ar71xx_eth0_device.dev;
796                 break;
797         case 1:
798                 d->netdev = &ar71xx_eth1_device.dev;
799                 break;
800         default:
801                 printk(KERN_ERR
802                         "ar71xx: invalid ethernet id %d for DSA switch\n",
803                         id);
804                 return;
805         }
806         d->mii_bus = &ar71xx_mdio_device.dev;
807         ar71xx_dsa_switch_device.dev.platform_data = d;
808
809         platform_device_register(&ar71xx_dsa_switch_device);
810 }