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848c4dd4b88ebec211d668dc1b875749af63ac29
[openwrt.git] / target / linux / ar71xx / files / arch / mips / ar71xx / devices.c
1 /*
2 * Atheros AR71xx SoC platform devices
3 *
4 * Copyright (C) 2010-2011 Jaiganesh Narayanan <jnarayanan@atheros.com>
5 * Copyright (C) 2008-2009 Gabor Juhos <juhosg@openwrt.org>
6 * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
7 *
8 * Parts of this file are based on Atheros 2.6.15 BSP
9 * Parts of this file are based on Atheros 2.6.31 BSP
10 *
11 * This program is free software; you can redistribute it and/or modify it
12 * under the terms of the GNU General Public License version 2 as published
13 * by the Free Software Foundation.
14 */
15
16 #include <linux/kernel.h>
17 #include <linux/init.h>
18 #include <linux/delay.h>
19 #include <linux/etherdevice.h>
20 #include <linux/platform_device.h>
21 #include <linux/serial_8250.h>
22
23 #include <asm/mach-ar71xx/ar71xx.h>
24 #include <asm/mach-ar71xx/ar933x_uart_platform.h>
25
26 #include "devices.h"
27
28 unsigned char ar71xx_mac_base[ETH_ALEN] __initdata;
29
30 static struct resource ar71xx_uart_resources[] = {
31 {
32 .start = AR71XX_UART_BASE,
33 .end = AR71XX_UART_BASE + AR71XX_UART_SIZE - 1,
34 .flags = IORESOURCE_MEM,
35 },
36 };
37
38 #define AR71XX_UART_FLAGS (UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP)
39 static struct plat_serial8250_port ar71xx_uart_data[] = {
40 {
41 .mapbase = AR71XX_UART_BASE,
42 .irq = AR71XX_MISC_IRQ_UART,
43 .flags = AR71XX_UART_FLAGS,
44 .iotype = UPIO_MEM32,
45 .regshift = 2,
46 }, {
47 /* terminating entry */
48 }
49 };
50
51 static struct platform_device ar71xx_uart_device = {
52 .name = "serial8250",
53 .id = PLAT8250_DEV_PLATFORM,
54 .resource = ar71xx_uart_resources,
55 .num_resources = ARRAY_SIZE(ar71xx_uart_resources),
56 .dev = {
57 .platform_data = ar71xx_uart_data
58 },
59 };
60
61 static struct resource ar933x_uart_resources[] = {
62 {
63 .start = AR933X_UART_BASE,
64 .end = AR933X_UART_BASE + AR71XX_UART_SIZE - 1,
65 .flags = IORESOURCE_MEM,
66 },
67 {
68 .start = AR71XX_MISC_IRQ_UART,
69 .end = AR71XX_MISC_IRQ_UART,
70 .flags = IORESOURCE_IRQ,
71 },
72 };
73
74 static struct ar933x_uart_platform_data ar933x_uart_data;
75 static struct platform_device ar933x_uart_device = {
76 .name = "ar933x-uart",
77 .id = -1,
78 .resource = ar933x_uart_resources,
79 .num_resources = ARRAY_SIZE(ar933x_uart_resources),
80 .dev = {
81 .platform_data = &ar933x_uart_data,
82 },
83 };
84
85 void __init ar71xx_add_device_uart(void)
86 {
87 struct platform_device *pdev;
88
89 switch (ar71xx_soc) {
90 case AR71XX_SOC_AR7130:
91 case AR71XX_SOC_AR7141:
92 case AR71XX_SOC_AR7161:
93 case AR71XX_SOC_AR7240:
94 case AR71XX_SOC_AR7241:
95 case AR71XX_SOC_AR7242:
96 case AR71XX_SOC_AR9130:
97 case AR71XX_SOC_AR9132:
98 pdev = &ar71xx_uart_device;
99 ar71xx_uart_data[0].uartclk = ar71xx_ahb_freq;
100 break;
101
102 case AR71XX_SOC_AR9330:
103 case AR71XX_SOC_AR9331:
104 pdev = &ar933x_uart_device;
105 ar933x_uart_data.uartclk = ar71xx_ref_freq;
106 break;
107
108 case AR71XX_SOC_AR9341:
109 case AR71XX_SOC_AR9342:
110 case AR71XX_SOC_AR9344:
111 pdev = &ar71xx_uart_device;
112 ar71xx_uart_data[0].uartclk = ar71xx_ref_freq;
113 break;
114
115 default:
116 BUG();
117 }
118
119 platform_device_register(pdev);
120 }
121
122 static struct resource ar71xx_mdio0_resources[] = {
123 {
124 .name = "mdio_base",
125 .flags = IORESOURCE_MEM,
126 .start = AR71XX_GE0_BASE,
127 .end = AR71XX_GE0_BASE + 0x200 - 1,
128 }
129 };
130
131 static struct ag71xx_mdio_platform_data ar71xx_mdio0_data;
132
133 struct platform_device ar71xx_mdio0_device = {
134 .name = "ag71xx-mdio",
135 .id = 0,
136 .resource = ar71xx_mdio0_resources,
137 .num_resources = ARRAY_SIZE(ar71xx_mdio0_resources),
138 .dev = {
139 .platform_data = &ar71xx_mdio0_data,
140 },
141 };
142
143 static struct resource ar71xx_mdio1_resources[] = {
144 {
145 .name = "mdio_base",
146 .flags = IORESOURCE_MEM,
147 .start = AR71XX_GE1_BASE,
148 .end = AR71XX_GE1_BASE + 0x200 - 1,
149 }
150 };
151
152 static struct ag71xx_mdio_platform_data ar71xx_mdio1_data;
153
154 struct platform_device ar71xx_mdio1_device = {
155 .name = "ag71xx-mdio",
156 .id = 1,
157 .resource = ar71xx_mdio1_resources,
158 .num_resources = ARRAY_SIZE(ar71xx_mdio1_resources),
159 .dev = {
160 .platform_data = &ar71xx_mdio1_data,
161 },
162 };
163
164 static void ar71xx_set_pll(u32 cfg_reg, u32 pll_reg, u32 pll_val, u32 shift)
165 {
166 void __iomem *base;
167 u32 t;
168
169 base = ioremap_nocache(AR71XX_PLL_BASE, AR71XX_PLL_SIZE);
170
171 t = __raw_readl(base + cfg_reg);
172 t &= ~(3 << shift);
173 t |= (2 << shift);
174 __raw_writel(t, base + cfg_reg);
175 udelay(100);
176
177 __raw_writel(pll_val, base + pll_reg);
178
179 t |= (3 << shift);
180 __raw_writel(t, base + cfg_reg);
181 udelay(100);
182
183 t &= ~(3 << shift);
184 __raw_writel(t, base + cfg_reg);
185 udelay(100);
186
187 printk(KERN_DEBUG "ar71xx: pll_reg %#x: %#x\n",
188 (unsigned int)(base + pll_reg), __raw_readl(base + pll_reg));
189
190 iounmap(base);
191 }
192
193 static void __init ar71xx_mii_ctrl_set_if(unsigned int reg,
194 unsigned int mii_if)
195 {
196 void __iomem *base;
197 u32 t;
198
199 base = ioremap(AR71XX_MII_BASE, AR71XX_MII_SIZE);
200
201 t = __raw_readl(base + reg);
202 t &= ~(MII_CTRL_IF_MASK);
203 t |= (mii_if & MII_CTRL_IF_MASK);
204 __raw_writel(t, base + reg);
205
206 iounmap(base);
207 }
208
209 static void ar71xx_mii_ctrl_set_speed(unsigned int reg, unsigned int speed)
210 {
211 void __iomem *base;
212 unsigned int mii_speed;
213 u32 t;
214
215 switch (speed) {
216 case SPEED_10:
217 mii_speed = MII_CTRL_SPEED_10;
218 break;
219 case SPEED_100:
220 mii_speed = MII_CTRL_SPEED_100;
221 break;
222 case SPEED_1000:
223 mii_speed = MII_CTRL_SPEED_1000;
224 break;
225 default:
226 BUG();
227 }
228
229 base = ioremap(AR71XX_MII_BASE, AR71XX_MII_SIZE);
230
231 t = __raw_readl(base + reg);
232 t &= ~(MII_CTRL_SPEED_MASK << MII_CTRL_SPEED_SHIFT);
233 t |= mii_speed << MII_CTRL_SPEED_SHIFT;
234 __raw_writel(t, base + reg);
235
236 iounmap(base);
237 }
238
239 void __init ar71xx_add_device_mdio(unsigned int id, u32 phy_mask)
240 {
241 struct platform_device *mdio_dev;
242 struct ag71xx_mdio_platform_data *mdio_data;
243 unsigned int max_id;
244
245 if (ar71xx_soc == AR71XX_SOC_AR9341 ||
246 ar71xx_soc == AR71XX_SOC_AR9342 ||
247 ar71xx_soc == AR71XX_SOC_AR9344)
248 max_id = 1;
249 else
250 max_id = 0;
251
252 if (id > max_id) {
253 printk(KERN_ERR "ar71xx: invalid MDIO id %u\n", id);
254 return;
255 }
256
257 switch (ar71xx_soc) {
258 case AR71XX_SOC_AR7241:
259 case AR71XX_SOC_AR9330:
260 case AR71XX_SOC_AR9331:
261 mdio_dev = &ar71xx_mdio1_device;
262 mdio_data = &ar71xx_mdio1_data;
263 break;
264
265 case AR71XX_SOC_AR9341:
266 case AR71XX_SOC_AR9342:
267 case AR71XX_SOC_AR9344:
268 if (id == 0) {
269 mdio_dev = &ar71xx_mdio0_device;
270 mdio_data = &ar71xx_mdio0_data;
271 } else {
272 mdio_dev = &ar71xx_mdio1_device;
273 mdio_data = &ar71xx_mdio1_data;
274 }
275 break;
276
277 case AR71XX_SOC_AR7242:
278 ar71xx_set_pll(AR71XX_PLL_REG_SEC_CONFIG,
279 AR7242_PLL_REG_ETH0_INT_CLOCK, 0x62000000,
280 AR71XX_ETH0_PLL_SHIFT);
281 /* fall through */
282 default:
283 mdio_dev = &ar71xx_mdio0_device;
284 mdio_data = &ar71xx_mdio0_data;
285 break;
286 }
287
288 mdio_data->phy_mask = phy_mask;
289
290 switch (ar71xx_soc) {
291 case AR71XX_SOC_AR7240:
292 case AR71XX_SOC_AR7241:
293 case AR71XX_SOC_AR9330:
294 case AR71XX_SOC_AR9331:
295 mdio_data->is_ar7240 = 1;
296 break;
297
298 case AR71XX_SOC_AR9341:
299 case AR71XX_SOC_AR9342:
300 case AR71XX_SOC_AR9344:
301 if (id == 1)
302 mdio_data->is_ar7240 = 1;
303 break;
304
305 default:
306 break;
307 }
308
309 platform_device_register(mdio_dev);
310 }
311
312 struct ar71xx_eth_pll_data ar71xx_eth0_pll_data;
313 struct ar71xx_eth_pll_data ar71xx_eth1_pll_data;
314
315 static u32 ar71xx_get_eth_pll(unsigned int mac, int speed)
316 {
317 struct ar71xx_eth_pll_data *pll_data;
318 u32 pll_val;
319
320 switch (mac) {
321 case 0:
322 pll_data = &ar71xx_eth0_pll_data;
323 break;
324 case 1:
325 pll_data = &ar71xx_eth1_pll_data;
326 break;
327 default:
328 BUG();
329 }
330
331 switch (speed) {
332 case SPEED_10:
333 pll_val = pll_data->pll_10;
334 break;
335 case SPEED_100:
336 pll_val = pll_data->pll_100;
337 break;
338 case SPEED_1000:
339 pll_val = pll_data->pll_1000;
340 break;
341 default:
342 BUG();
343 }
344
345 return pll_val;
346 }
347
348 static void ar71xx_set_speed_ge0(int speed)
349 {
350 u32 val = ar71xx_get_eth_pll(0, speed);
351
352 ar71xx_set_pll(AR71XX_PLL_REG_SEC_CONFIG, AR71XX_PLL_REG_ETH0_INT_CLOCK,
353 val, AR71XX_ETH0_PLL_SHIFT);
354 ar71xx_mii_ctrl_set_speed(MII_REG_MII0_CTRL, speed);
355 }
356
357 static void ar71xx_set_speed_ge1(int speed)
358 {
359 u32 val = ar71xx_get_eth_pll(1, speed);
360
361 ar71xx_set_pll(AR71XX_PLL_REG_SEC_CONFIG, AR71XX_PLL_REG_ETH1_INT_CLOCK,
362 val, AR71XX_ETH1_PLL_SHIFT);
363 ar71xx_mii_ctrl_set_speed(MII_REG_MII1_CTRL, speed);
364 }
365
366 static void ar724x_set_speed_ge0(int speed)
367 {
368 /* TODO */
369 }
370
371 static void ar724x_set_speed_ge1(int speed)
372 {
373 /* TODO */
374 }
375
376 static void ar7242_set_speed_ge0(int speed)
377 {
378 u32 val = ar71xx_get_eth_pll(0, speed);
379 void __iomem *base;
380
381 base = ioremap_nocache(AR71XX_PLL_BASE, AR71XX_PLL_SIZE);
382 __raw_writel(val, base + AR7242_PLL_REG_ETH0_INT_CLOCK);
383 iounmap(base);
384 }
385
386 static void ar91xx_set_speed_ge0(int speed)
387 {
388 u32 val = ar71xx_get_eth_pll(0, speed);
389
390 ar71xx_set_pll(AR91XX_PLL_REG_ETH_CONFIG, AR91XX_PLL_REG_ETH0_INT_CLOCK,
391 val, AR91XX_ETH0_PLL_SHIFT);
392 ar71xx_mii_ctrl_set_speed(MII_REG_MII0_CTRL, speed);
393 }
394
395 static void ar91xx_set_speed_ge1(int speed)
396 {
397 u32 val = ar71xx_get_eth_pll(1, speed);
398
399 ar71xx_set_pll(AR91XX_PLL_REG_ETH_CONFIG, AR91XX_PLL_REG_ETH1_INT_CLOCK,
400 val, AR91XX_ETH1_PLL_SHIFT);
401 ar71xx_mii_ctrl_set_speed(MII_REG_MII1_CTRL, speed);
402 }
403
404 static void ar933x_set_speed_ge0(int speed)
405 {
406 /* TODO */
407 }
408
409 static void ar933x_set_speed_ge1(int speed)
410 {
411 /* TODO */
412 }
413
414 static void ar934x_set_speed_ge0(int speed)
415 {
416 /* TODO */
417 }
418
419 static void ar934x_set_speed_ge1(int speed)
420 {
421 /* TODO */
422 }
423
424 static void ar71xx_ddr_flush_ge0(void)
425 {
426 ar71xx_ddr_flush(AR71XX_DDR_REG_FLUSH_GE0);
427 }
428
429 static void ar71xx_ddr_flush_ge1(void)
430 {
431 ar71xx_ddr_flush(AR71XX_DDR_REG_FLUSH_GE1);
432 }
433
434 static void ar724x_ddr_flush_ge0(void)
435 {
436 ar71xx_ddr_flush(AR724X_DDR_REG_FLUSH_GE0);
437 }
438
439 static void ar724x_ddr_flush_ge1(void)
440 {
441 ar71xx_ddr_flush(AR724X_DDR_REG_FLUSH_GE1);
442 }
443
444 static void ar91xx_ddr_flush_ge0(void)
445 {
446 ar71xx_ddr_flush(AR91XX_DDR_REG_FLUSH_GE0);
447 }
448
449 static void ar91xx_ddr_flush_ge1(void)
450 {
451 ar71xx_ddr_flush(AR91XX_DDR_REG_FLUSH_GE1);
452 }
453
454 static void ar933x_ddr_flush_ge0(void)
455 {
456 ar71xx_ddr_flush(AR933X_DDR_REG_FLUSH_GE0);
457 }
458
459 static void ar933x_ddr_flush_ge1(void)
460 {
461 ar71xx_ddr_flush(AR933X_DDR_REG_FLUSH_GE1);
462 }
463
464 static void ar934x_ddr_flush_ge0(void)
465 {
466 ar71xx_ddr_flush(AR934X_DDR_REG_FLUSH_GE0);
467 }
468
469 static void ar934x_ddr_flush_ge1(void)
470 {
471 ar71xx_ddr_flush(AR934X_DDR_REG_FLUSH_GE1);
472 }
473
474 static struct resource ar71xx_eth0_resources[] = {
475 {
476 .name = "mac_base",
477 .flags = IORESOURCE_MEM,
478 .start = AR71XX_GE0_BASE,
479 .end = AR71XX_GE0_BASE + 0x200 - 1,
480 }, {
481 .name = "mac_irq",
482 .flags = IORESOURCE_IRQ,
483 .start = AR71XX_CPU_IRQ_GE0,
484 .end = AR71XX_CPU_IRQ_GE0,
485 },
486 };
487
488 struct ag71xx_platform_data ar71xx_eth0_data = {
489 .reset_bit = RESET_MODULE_GE0_MAC,
490 };
491
492 struct platform_device ar71xx_eth0_device = {
493 .name = "ag71xx",
494 .id = 0,
495 .resource = ar71xx_eth0_resources,
496 .num_resources = ARRAY_SIZE(ar71xx_eth0_resources),
497 .dev = {
498 .platform_data = &ar71xx_eth0_data,
499 },
500 };
501
502 static struct resource ar71xx_eth1_resources[] = {
503 {
504 .name = "mac_base",
505 .flags = IORESOURCE_MEM,
506 .start = AR71XX_GE1_BASE,
507 .end = AR71XX_GE1_BASE + 0x200 - 1,
508 }, {
509 .name = "mac_irq",
510 .flags = IORESOURCE_IRQ,
511 .start = AR71XX_CPU_IRQ_GE1,
512 .end = AR71XX_CPU_IRQ_GE1,
513 },
514 };
515
516 struct ag71xx_platform_data ar71xx_eth1_data = {
517 .reset_bit = RESET_MODULE_GE1_MAC,
518 };
519
520 struct platform_device ar71xx_eth1_device = {
521 .name = "ag71xx",
522 .id = 1,
523 .resource = ar71xx_eth1_resources,
524 .num_resources = ARRAY_SIZE(ar71xx_eth1_resources),
525 .dev = {
526 .platform_data = &ar71xx_eth1_data,
527 },
528 };
529
530 #define AR71XX_PLL_VAL_1000 0x00110000
531 #define AR71XX_PLL_VAL_100 0x00001099
532 #define AR71XX_PLL_VAL_10 0x00991099
533
534 #define AR724X_PLL_VAL_1000 0x00110000
535 #define AR724X_PLL_VAL_100 0x00001099
536 #define AR724X_PLL_VAL_10 0x00991099
537
538 #define AR7242_PLL_VAL_1000 0x16000000
539 #define AR7242_PLL_VAL_100 0x00000101
540 #define AR7242_PLL_VAL_10 0x00001616
541
542 #define AR91XX_PLL_VAL_1000 0x1a000000
543 #define AR91XX_PLL_VAL_100 0x13000a44
544 #define AR91XX_PLL_VAL_10 0x00441099
545
546 #define AR933X_PLL_VAL_1000 0x00110000
547 #define AR933X_PLL_VAL_100 0x00001099
548 #define AR933X_PLL_VAL_10 0x00991099
549
550 #define AR934X_PLL_VAL_1000 0x00110000
551 #define AR934X_PLL_VAL_100 0x00001099
552 #define AR934X_PLL_VAL_10 0x00991099
553
554 static void __init ar71xx_init_eth_pll_data(unsigned int id)
555 {
556 struct ar71xx_eth_pll_data *pll_data;
557 u32 pll_10, pll_100, pll_1000;
558
559 switch (id) {
560 case 0:
561 pll_data = &ar71xx_eth0_pll_data;
562 break;
563 case 1:
564 pll_data = &ar71xx_eth1_pll_data;
565 break;
566 default:
567 BUG();
568 }
569
570 switch (ar71xx_soc) {
571 case AR71XX_SOC_AR7130:
572 case AR71XX_SOC_AR7141:
573 case AR71XX_SOC_AR7161:
574 pll_10 = AR71XX_PLL_VAL_10;
575 pll_100 = AR71XX_PLL_VAL_100;
576 pll_1000 = AR71XX_PLL_VAL_1000;
577 break;
578
579 case AR71XX_SOC_AR7240:
580 case AR71XX_SOC_AR7241:
581 pll_10 = AR724X_PLL_VAL_10;
582 pll_100 = AR724X_PLL_VAL_100;
583 pll_1000 = AR724X_PLL_VAL_1000;
584 break;
585
586 case AR71XX_SOC_AR7242:
587 pll_10 = AR7242_PLL_VAL_10;
588 pll_100 = AR7242_PLL_VAL_100;
589 pll_1000 = AR7242_PLL_VAL_1000;
590 break;
591
592 case AR71XX_SOC_AR9130:
593 case AR71XX_SOC_AR9132:
594 pll_10 = AR91XX_PLL_VAL_10;
595 pll_100 = AR91XX_PLL_VAL_100;
596 pll_1000 = AR91XX_PLL_VAL_1000;
597 break;
598
599 case AR71XX_SOC_AR9330:
600 case AR71XX_SOC_AR9331:
601 pll_10 = AR933X_PLL_VAL_10;
602 pll_100 = AR933X_PLL_VAL_100;
603 pll_1000 = AR933X_PLL_VAL_1000;
604 break;
605
606 case AR71XX_SOC_AR9341:
607 case AR71XX_SOC_AR9342:
608 case AR71XX_SOC_AR9344:
609 pll_10 = AR934X_PLL_VAL_10;
610 pll_100 = AR934X_PLL_VAL_100;
611 pll_1000 = AR934X_PLL_VAL_1000;
612 break;
613
614 default:
615 BUG();
616 }
617
618 if (!pll_data->pll_10)
619 pll_data->pll_10 = pll_10;
620
621 if (!pll_data->pll_100)
622 pll_data->pll_100 = pll_100;
623
624 if (!pll_data->pll_1000)
625 pll_data->pll_1000 = pll_1000;
626 }
627
628 static int __init ar71xx_setup_phy_if_mode(unsigned int id,
629 struct ag71xx_platform_data *pdata)
630 {
631 unsigned int mii_if;
632
633 switch (id) {
634 case 0:
635 switch (ar71xx_soc) {
636 case AR71XX_SOC_AR7130:
637 case AR71XX_SOC_AR7141:
638 case AR71XX_SOC_AR7161:
639 case AR71XX_SOC_AR9130:
640 case AR71XX_SOC_AR9132:
641 switch (pdata->phy_if_mode) {
642 case PHY_INTERFACE_MODE_MII:
643 mii_if = MII0_CTRL_IF_MII;
644 break;
645 case PHY_INTERFACE_MODE_GMII:
646 mii_if = MII0_CTRL_IF_GMII;
647 break;
648 case PHY_INTERFACE_MODE_RGMII:
649 mii_if = MII0_CTRL_IF_RGMII;
650 break;
651 case PHY_INTERFACE_MODE_RMII:
652 mii_if = MII0_CTRL_IF_RMII;
653 break;
654 default:
655 return -EINVAL;
656 }
657 ar71xx_mii_ctrl_set_if(MII_REG_MII0_CTRL, mii_if);
658 break;
659
660 case AR71XX_SOC_AR7240:
661 case AR71XX_SOC_AR7241:
662 case AR71XX_SOC_AR9330:
663 case AR71XX_SOC_AR9331:
664 pdata->phy_if_mode = PHY_INTERFACE_MODE_MII;
665 break;
666
667 case AR71XX_SOC_AR7242:
668 /* FIXME */
669
670 case AR71XX_SOC_AR9341:
671 case AR71XX_SOC_AR9342:
672 case AR71XX_SOC_AR9344:
673 switch (pdata->phy_if_mode) {
674 case PHY_INTERFACE_MODE_MII:
675 case PHY_INTERFACE_MODE_GMII:
676 case PHY_INTERFACE_MODE_RGMII:
677 case PHY_INTERFACE_MODE_RMII:
678 break;
679 default:
680 return -EINVAL;
681 }
682 break;
683
684 default:
685 BUG();
686 }
687 break;
688 case 1:
689 switch (ar71xx_soc) {
690 case AR71XX_SOC_AR7130:
691 case AR71XX_SOC_AR7141:
692 case AR71XX_SOC_AR7161:
693 case AR71XX_SOC_AR9130:
694 case AR71XX_SOC_AR9132:
695 switch (pdata->phy_if_mode) {
696 case PHY_INTERFACE_MODE_RMII:
697 mii_if = MII1_CTRL_IF_RMII;
698 break;
699 case PHY_INTERFACE_MODE_RGMII:
700 mii_if = MII1_CTRL_IF_RGMII;
701 break;
702 default:
703 return -EINVAL;
704 }
705 ar71xx_mii_ctrl_set_if(MII_REG_MII1_CTRL, mii_if);
706 break;
707
708 case AR71XX_SOC_AR7240:
709 case AR71XX_SOC_AR7241:
710 case AR71XX_SOC_AR9330:
711 case AR71XX_SOC_AR9331:
712 pdata->phy_if_mode = PHY_INTERFACE_MODE_GMII;
713 break;
714
715 case AR71XX_SOC_AR7242:
716 /* FIXME */
717
718 case AR71XX_SOC_AR9341:
719 case AR71XX_SOC_AR9342:
720 case AR71XX_SOC_AR9344:
721 switch (pdata->phy_if_mode) {
722 case PHY_INTERFACE_MODE_MII:
723 case PHY_INTERFACE_MODE_GMII:
724 break;
725 default:
726 return -EINVAL;
727 }
728 break;
729
730 default:
731 BUG();
732 }
733 break;
734 }
735
736 return 0;
737 }
738
739 static int ar71xx_eth_instance __initdata;
740 void __init ar71xx_add_device_eth(unsigned int id)
741 {
742 struct platform_device *pdev;
743 struct ag71xx_platform_data *pdata;
744 int err;
745
746 if (id > 1) {
747 printk(KERN_ERR "ar71xx: invalid ethernet id %d\n", id);
748 return;
749 }
750
751 ar71xx_init_eth_pll_data(id);
752
753 if (id == 0)
754 pdev = &ar71xx_eth0_device;
755 else
756 pdev = &ar71xx_eth1_device;
757
758 pdata = pdev->dev.platform_data;
759
760 err = ar71xx_setup_phy_if_mode(id, pdata);
761 if (err) {
762 printk(KERN_ERR
763 "ar71xx: invalid PHY interface mode for GE%u\n", id);
764 return;
765 }
766
767 switch (ar71xx_soc) {
768 case AR71XX_SOC_AR7130:
769 pdata->ddr_flush = id ? ar71xx_ddr_flush_ge1
770 : ar71xx_ddr_flush_ge0;
771 pdata->set_speed = id ? ar71xx_set_speed_ge1
772 : ar71xx_set_speed_ge0;
773 break;
774
775 case AR71XX_SOC_AR7141:
776 case AR71XX_SOC_AR7161:
777 pdata->ddr_flush = id ? ar71xx_ddr_flush_ge1
778 : ar71xx_ddr_flush_ge0;
779 pdata->set_speed = id ? ar71xx_set_speed_ge1
780 : ar71xx_set_speed_ge0;
781 pdata->has_gbit = 1;
782 break;
783
784 case AR71XX_SOC_AR7242:
785 ar71xx_eth0_data.reset_bit |= AR724X_RESET_GE0_MDIO |
786 RESET_MODULE_GE0_PHY;
787 ar71xx_eth1_data.reset_bit |= AR724X_RESET_GE1_MDIO |
788 RESET_MODULE_GE1_PHY;
789 pdata->ddr_flush = id ? ar724x_ddr_flush_ge1
790 : ar724x_ddr_flush_ge0;
791 pdata->set_speed = id ? ar724x_set_speed_ge1
792 : ar7242_set_speed_ge0;
793 pdata->has_gbit = 1;
794 pdata->is_ar724x = 1;
795
796 if (!pdata->fifo_cfg1)
797 pdata->fifo_cfg1 = 0x0010ffff;
798 if (!pdata->fifo_cfg2)
799 pdata->fifo_cfg2 = 0x015500aa;
800 if (!pdata->fifo_cfg3)
801 pdata->fifo_cfg3 = 0x01f00140;
802 break;
803
804 case AR71XX_SOC_AR7241:
805 ar71xx_eth0_data.reset_bit |= AR724X_RESET_GE0_MDIO;
806 ar71xx_eth1_data.reset_bit |= AR724X_RESET_GE1_MDIO;
807 /* fall through */
808 case AR71XX_SOC_AR7240:
809 ar71xx_eth0_data.reset_bit |= RESET_MODULE_GE0_PHY;
810 ar71xx_eth1_data.reset_bit |= RESET_MODULE_GE1_PHY;
811 pdata->ddr_flush = id ? ar724x_ddr_flush_ge1
812 : ar724x_ddr_flush_ge0;
813 pdata->set_speed = id ? ar724x_set_speed_ge1
814 : ar724x_set_speed_ge0;
815 pdata->has_gbit = 1;
816 pdata->is_ar724x = 1;
817 if (ar71xx_soc == AR71XX_SOC_AR7240)
818 pdata->is_ar7240 = 1;
819
820 if (!pdata->fifo_cfg1)
821 pdata->fifo_cfg1 = 0x0010ffff;
822 if (!pdata->fifo_cfg2)
823 pdata->fifo_cfg2 = 0x015500aa;
824 if (!pdata->fifo_cfg3)
825 pdata->fifo_cfg3 = 0x01f00140;
826 break;
827
828 case AR71XX_SOC_AR9130:
829 pdata->ddr_flush = id ? ar91xx_ddr_flush_ge1
830 : ar91xx_ddr_flush_ge0;
831 pdata->set_speed = id ? ar91xx_set_speed_ge1
832 : ar91xx_set_speed_ge0;
833 pdata->is_ar91xx = 1;
834 break;
835
836 case AR71XX_SOC_AR9132:
837 pdata->ddr_flush = id ? ar91xx_ddr_flush_ge1
838 : ar91xx_ddr_flush_ge0;
839 pdata->set_speed = id ? ar91xx_set_speed_ge1
840 : ar91xx_set_speed_ge0;
841 pdata->is_ar91xx = 1;
842 pdata->has_gbit = 1;
843 break;
844
845 case AR71XX_SOC_AR9330:
846 case AR71XX_SOC_AR9331:
847 ar71xx_eth0_data.reset_bit = AR933X_RESET_GE0_MAC |
848 AR933X_RESET_GE0_MDIO;
849 ar71xx_eth1_data.reset_bit = AR933X_RESET_GE1_MAC |
850 AR933X_RESET_GE1_MDIO;
851 pdata->ddr_flush = id ? ar933x_ddr_flush_ge1
852 : ar933x_ddr_flush_ge0;
853 pdata->set_speed = id ? ar933x_set_speed_ge1
854 : ar933x_set_speed_ge0;
855 pdata->has_gbit = 1;
856 pdata->is_ar724x = 1;
857
858 if (!pdata->fifo_cfg1)
859 pdata->fifo_cfg1 = 0x0010ffff;
860 if (!pdata->fifo_cfg2)
861 pdata->fifo_cfg2 = 0x015500aa;
862 if (!pdata->fifo_cfg3)
863 pdata->fifo_cfg3 = 0x01f00140;
864 break;
865
866 case AR71XX_SOC_AR9341:
867 case AR71XX_SOC_AR9342:
868 case AR71XX_SOC_AR9344:
869 ar71xx_eth0_data.reset_bit = AR934X_RESET_GE0_MAC |
870 AR934X_RESET_GE0_MDIO;
871 ar71xx_eth1_data.reset_bit = AR934X_RESET_GE1_MAC |
872 AR934X_RESET_GE1_MDIO;
873 pdata->ddr_flush = id ? ar934x_ddr_flush_ge1
874 : ar934x_ddr_flush_ge0;
875 pdata->set_speed = id ? ar934x_set_speed_ge1
876 : ar934x_set_speed_ge0;
877 pdata->has_gbit = 1;
878 pdata->is_ar724x = 1;
879
880 if (!pdata->fifo_cfg1)
881 pdata->fifo_cfg1 = 0x0010ffff;
882 if (!pdata->fifo_cfg2)
883 pdata->fifo_cfg2 = 0x015500aa;
884 if (!pdata->fifo_cfg3)
885 pdata->fifo_cfg3 = 0x01f00140;
886 break;
887
888 default:
889 BUG();
890 }
891
892 switch (pdata->phy_if_mode) {
893 case PHY_INTERFACE_MODE_GMII:
894 case PHY_INTERFACE_MODE_RGMII:
895 if (!pdata->has_gbit) {
896 printk(KERN_ERR "ar71xx: no gbit available on eth%d\n",
897 id);
898 return;
899 }
900 /* fallthrough */
901 default:
902 break;
903 }
904
905 if (!is_valid_ether_addr(pdata->mac_addr)) {
906 random_ether_addr(pdata->mac_addr);
907 printk(KERN_DEBUG
908 "ar71xx: using random MAC address for eth%d\n",
909 ar71xx_eth_instance);
910 }
911
912 if (pdata->mii_bus_dev == NULL) {
913 switch (ar71xx_soc) {
914 case AR71XX_SOC_AR9341:
915 case AR71XX_SOC_AR9342:
916 case AR71XX_SOC_AR9344:
917 if (id == 0)
918 pdata->mii_bus_dev = &ar71xx_mdio0_device.dev;
919 else
920 pdata->mii_bus_dev = &ar71xx_mdio1_device.dev;
921 break;
922
923 case AR71XX_SOC_AR7241:
924 case AR71XX_SOC_AR9330:
925 case AR71XX_SOC_AR9331:
926 pdata->mii_bus_dev = &ar71xx_mdio1_device.dev;
927 break;
928
929 default:
930 pdata->mii_bus_dev = &ar71xx_mdio0_device.dev;
931 break;
932 }
933 }
934
935 /* Reset the device */
936 ar71xx_device_stop(pdata->reset_bit);
937 mdelay(100);
938
939 ar71xx_device_start(pdata->reset_bit);
940 mdelay(100);
941
942 platform_device_register(pdev);
943 ar71xx_eth_instance++;
944 }
945
946 static struct resource ar71xx_spi_resources[] = {
947 [0] = {
948 .start = AR71XX_SPI_BASE,
949 .end = AR71XX_SPI_BASE + AR71XX_SPI_SIZE - 1,
950 .flags = IORESOURCE_MEM,
951 },
952 };
953
954 static struct platform_device ar71xx_spi_device = {
955 .name = "ar71xx-spi",
956 .id = -1,
957 .resource = ar71xx_spi_resources,
958 .num_resources = ARRAY_SIZE(ar71xx_spi_resources),
959 };
960
961 void __init ar71xx_add_device_spi(struct ar71xx_spi_platform_data *pdata,
962 struct spi_board_info const *info,
963 unsigned n)
964 {
965 spi_register_board_info(info, n);
966 ar71xx_spi_device.dev.platform_data = pdata;
967 platform_device_register(&ar71xx_spi_device);
968 }
969
970 void __init ar71xx_add_device_wdt(void)
971 {
972 platform_device_register_simple("ar71xx-wdt", -1, NULL, 0);
973 }
974
975 void __init ar71xx_set_mac_base(unsigned char *mac)
976 {
977 memcpy(ar71xx_mac_base, mac, ETH_ALEN);
978 }
979
980 void __init ar71xx_parse_mac_addr(char *mac_str)
981 {
982 u8 tmp[ETH_ALEN];
983 int t;
984
985 t = sscanf(mac_str, "%02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx",
986 &tmp[0], &tmp[1], &tmp[2], &tmp[3], &tmp[4], &tmp[5]);
987
988 if (t != ETH_ALEN)
989 t = sscanf(mac_str, "%02hhx.%02hhx.%02hhx.%02hhx.%02hhx.%02hhx",
990 &tmp[0], &tmp[1], &tmp[2], &tmp[3], &tmp[4], &tmp[5]);
991
992 if (t == ETH_ALEN)
993 ar71xx_set_mac_base(tmp);
994 else
995 printk(KERN_DEBUG "ar71xx: failed to parse mac address "
996 "\"%s\"\n", mac_str);
997 }
998
999 static int __init ar71xx_ethaddr_setup(char *str)
1000 {
1001 ar71xx_parse_mac_addr(str);
1002 return 1;
1003 }
1004 __setup("ethaddr=", ar71xx_ethaddr_setup);
1005
1006 static int __init ar71xx_kmac_setup(char *str)
1007 {
1008 ar71xx_parse_mac_addr(str);
1009 return 1;
1010 }
1011 __setup("kmac=", ar71xx_kmac_setup);
1012
1013 void __init ar71xx_init_mac(unsigned char *dst, const unsigned char *src,
1014 unsigned offset)
1015 {
1016 u32 t;
1017
1018 if (!is_valid_ether_addr(src)) {
1019 memset(dst, '\0', ETH_ALEN);
1020 return;
1021 }
1022
1023 t = (((u32) src[3]) << 16) + (((u32) src[4]) << 8) + ((u32) src[5]);
1024 t += offset;
1025
1026 dst[0] = src[0];
1027 dst[1] = src[1];
1028 dst[2] = src[2];
1029 dst[3] = (t >> 16) & 0xff;
1030 dst[4] = (t >> 8) & 0xff;
1031 dst[5] = t & 0xff;
1032 }
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