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OMAP3: PM: Ensure MUSB block can idle when driver not loaded
[linux-ginger.git] / arch / arm / mach-at91 / at91sam9263_devices.c
blobb7f23324231560635b0d053ac7fac703a249e19f
1 /*
2 * arch/arm/mach-at91/at91sam9263_devices.c
3 *
4 * Copyright (C) 2007 Atmel Corporation.
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 */
12 #include <asm/mach/arch.h>
13 #include <asm/mach/map.h>
14
15 #include <linux/dma-mapping.h>
16 #include <linux/platform_device.h>
17 #include <linux/i2c-gpio.h>
18
19 #include <linux/fb.h>
20 #include <video/atmel_lcdc.h>
21
22 #include <mach/board.h>
23 #include <mach/gpio.h>
24 #include <mach/at91sam9263.h>
25 #include <mach/at91sam9263_matrix.h>
26 #include <mach/at91sam9_smc.h>
27
28 #include "generic.h"
29
30
31 /* --------------------------------------------------------------------
32 * USB Host
33 * -------------------------------------------------------------------- */
34
35 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
36 static u64 ohci_dmamask = DMA_BIT_MASK(32);
37 static struct at91_usbh_data usbh_data;
38
39 static struct resource usbh_resources[] = {
40 [0] = {
41 .start = AT91SAM9263_UHP_BASE,
42 .end = AT91SAM9263_UHP_BASE + SZ_1M - 1,
43 .flags = IORESOURCE_MEM,
44 },
45 [1] = {
46 .start = AT91SAM9263_ID_UHP,
47 .end = AT91SAM9263_ID_UHP,
48 .flags = IORESOURCE_IRQ,
49 },
50 };
51
52 static struct platform_device at91_usbh_device = {
53 .name = "at91_ohci",
54 .id = -1,
55 .dev = {
56 .dma_mask = &ohci_dmamask,
57 .coherent_dma_mask = DMA_BIT_MASK(32),
58 .platform_data = &usbh_data,
59 },
60 .resource = usbh_resources,
61 .num_resources = ARRAY_SIZE(usbh_resources),
62 };
63
64 void __init at91_add_device_usbh(struct at91_usbh_data *data)
65 {
66 int i;
67
68 if (!data)
69 return;
70
71 /* Enable VBus control for UHP ports */
72 for (i = 0; i < data->ports; i++) {
73 if (data->vbus_pin[i])
74 at91_set_gpio_output(data->vbus_pin[i], 0);
75 }
76
77 usbh_data = *data;
78 platform_device_register(&at91_usbh_device);
79 }
80 #else
81 void __init at91_add_device_usbh(struct at91_usbh_data *data) {}
82 #endif
83
84
85 /* --------------------------------------------------------------------
86 * USB Device (Gadget)
87 * -------------------------------------------------------------------- */
88
89 #ifdef CONFIG_USB_GADGET_AT91
90 static struct at91_udc_data udc_data;
91
92 static struct resource udc_resources[] = {
93 [0] = {
94 .start = AT91SAM9263_BASE_UDP,
95 .end = AT91SAM9263_BASE_UDP + SZ_16K - 1,
96 .flags = IORESOURCE_MEM,
97 },
98 [1] = {
99 .start = AT91SAM9263_ID_UDP,
100 .end = AT91SAM9263_ID_UDP,
101 .flags = IORESOURCE_IRQ,
102 },
103 };
104
105 static struct platform_device at91_udc_device = {
106 .name = "at91_udc",
107 .id = -1,
108 .dev = {
109 .platform_data = &udc_data,
110 },
111 .resource = udc_resources,
112 .num_resources = ARRAY_SIZE(udc_resources),
113 };
114
115 void __init at91_add_device_udc(struct at91_udc_data *data)
116 {
117 if (!data)
118 return;
119
120 if (data->vbus_pin) {
121 at91_set_gpio_input(data->vbus_pin, 0);
122 at91_set_deglitch(data->vbus_pin, 1);
123 }
124
125 /* Pullup pin is handled internally by USB device peripheral */
126
127 udc_data = *data;
128 platform_device_register(&at91_udc_device);
129 }
130 #else
131 void __init at91_add_device_udc(struct at91_udc_data *data) {}
132 #endif
133
134
135 /* --------------------------------------------------------------------
136 * Ethernet
137 * -------------------------------------------------------------------- */
138
139 #if defined(CONFIG_MACB) || defined(CONFIG_MACB_MODULE)
140 static u64 eth_dmamask = DMA_BIT_MASK(32);
141 static struct at91_eth_data eth_data;
142
143 static struct resource eth_resources[] = {
144 [0] = {
145 .start = AT91SAM9263_BASE_EMAC,
146 .end = AT91SAM9263_BASE_EMAC + SZ_16K - 1,
147 .flags = IORESOURCE_MEM,
148 },
149 [1] = {
150 .start = AT91SAM9263_ID_EMAC,
151 .end = AT91SAM9263_ID_EMAC,
152 .flags = IORESOURCE_IRQ,
153 },
154 };
155
156 static struct platform_device at91sam9263_eth_device = {
157 .name = "macb",
158 .id = -1,
159 .dev = {
160 .dma_mask = &eth_dmamask,
161 .coherent_dma_mask = DMA_BIT_MASK(32),
162 .platform_data = &eth_data,
163 },
164 .resource = eth_resources,
165 .num_resources = ARRAY_SIZE(eth_resources),
166 };
167
168 void __init at91_add_device_eth(struct at91_eth_data *data)
169 {
170 if (!data)
171 return;
172
173 if (data->phy_irq_pin) {
174 at91_set_gpio_input(data->phy_irq_pin, 0);
175 at91_set_deglitch(data->phy_irq_pin, 1);
176 }
177
178 /* Pins used for MII and RMII */
179 at91_set_A_periph(AT91_PIN_PE21, 0); /* ETXCK_EREFCK */
180 at91_set_B_periph(AT91_PIN_PC25, 0); /* ERXDV */
181 at91_set_A_periph(AT91_PIN_PE25, 0); /* ERX0 */
182 at91_set_A_periph(AT91_PIN_PE26, 0); /* ERX1 */
183 at91_set_A_periph(AT91_PIN_PE27, 0); /* ERXER */
184 at91_set_A_periph(AT91_PIN_PE28, 0); /* ETXEN */
185 at91_set_A_periph(AT91_PIN_PE23, 0); /* ETX0 */
186 at91_set_A_periph(AT91_PIN_PE24, 0); /* ETX1 */
187 at91_set_A_periph(AT91_PIN_PE30, 0); /* EMDIO */
188 at91_set_A_periph(AT91_PIN_PE29, 0); /* EMDC */
189
190 if (!data->is_rmii) {
191 at91_set_A_periph(AT91_PIN_PE22, 0); /* ECRS */
192 at91_set_B_periph(AT91_PIN_PC26, 0); /* ECOL */
193 at91_set_B_periph(AT91_PIN_PC22, 0); /* ERX2 */
194 at91_set_B_periph(AT91_PIN_PC23, 0); /* ERX3 */
195 at91_set_B_periph(AT91_PIN_PC27, 0); /* ERXCK */
196 at91_set_B_periph(AT91_PIN_PC20, 0); /* ETX2 */
197 at91_set_B_periph(AT91_PIN_PC21, 0); /* ETX3 */
198 at91_set_B_periph(AT91_PIN_PC24, 0); /* ETXER */
199 }
200
201 eth_data = *data;
202 platform_device_register(&at91sam9263_eth_device);
203 }
204 #else
205 void __init at91_add_device_eth(struct at91_eth_data *data) {}
206 #endif
207
208
209 /* --------------------------------------------------------------------
210 * MMC / SD
211 * -------------------------------------------------------------------- */
212
213 #if defined(CONFIG_MMC_AT91) || defined(CONFIG_MMC_AT91_MODULE)
214 static u64 mmc_dmamask = DMA_BIT_MASK(32);
215 static struct at91_mmc_data mmc0_data, mmc1_data;
216
217 static struct resource mmc0_resources[] = {
218 [0] = {
219 .start = AT91SAM9263_BASE_MCI0,
220 .end = AT91SAM9263_BASE_MCI0 + SZ_16K - 1,
221 .flags = IORESOURCE_MEM,
222 },
223 [1] = {
224 .start = AT91SAM9263_ID_MCI0,
225 .end = AT91SAM9263_ID_MCI0,
226 .flags = IORESOURCE_IRQ,
227 },
228 };
229
230 static struct platform_device at91sam9263_mmc0_device = {
231 .name = "at91_mci",
232 .id = 0,
233 .dev = {
234 .dma_mask = &mmc_dmamask,
235 .coherent_dma_mask = DMA_BIT_MASK(32),
236 .platform_data = &mmc0_data,
237 },
238 .resource = mmc0_resources,
239 .num_resources = ARRAY_SIZE(mmc0_resources),
240 };
241
242 static struct resource mmc1_resources[] = {
243 [0] = {
244 .start = AT91SAM9263_BASE_MCI1,
245 .end = AT91SAM9263_BASE_MCI1 + SZ_16K - 1,
246 .flags = IORESOURCE_MEM,
247 },
248 [1] = {
249 .start = AT91SAM9263_ID_MCI1,
250 .end = AT91SAM9263_ID_MCI1,
251 .flags = IORESOURCE_IRQ,
252 },
253 };
254
255 static struct platform_device at91sam9263_mmc1_device = {
256 .name = "at91_mci",
257 .id = 1,
258 .dev = {
259 .dma_mask = &mmc_dmamask,
260 .coherent_dma_mask = DMA_BIT_MASK(32),
261 .platform_data = &mmc1_data,
262 },
263 .resource = mmc1_resources,
264 .num_resources = ARRAY_SIZE(mmc1_resources),
265 };
266
267 void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data)
268 {
269 if (!data)
270 return;
271
272 /* input/irq */
273 if (data->det_pin) {
274 at91_set_gpio_input(data->det_pin, 1);
275 at91_set_deglitch(data->det_pin, 1);
276 }
277 if (data->wp_pin)
278 at91_set_gpio_input(data->wp_pin, 1);
279 if (data->vcc_pin)
280 at91_set_gpio_output(data->vcc_pin, 0);
281
282 if (mmc_id == 0) { /* MCI0 */
283 /* CLK */
284 at91_set_A_periph(AT91_PIN_PA12, 0);
285
286 if (data->slot_b) {
287 /* CMD */
288 at91_set_A_periph(AT91_PIN_PA16, 1);
289
290 /* DAT0, maybe DAT1..DAT3 */
291 at91_set_A_periph(AT91_PIN_PA17, 1);
292 if (data->wire4) {
293 at91_set_A_periph(AT91_PIN_PA18, 1);
294 at91_set_A_periph(AT91_PIN_PA19, 1);
295 at91_set_A_periph(AT91_PIN_PA20, 1);
296 }
297 } else {
298 /* CMD */
299 at91_set_A_periph(AT91_PIN_PA1, 1);
300
301 /* DAT0, maybe DAT1..DAT3 */
302 at91_set_A_periph(AT91_PIN_PA0, 1);
303 if (data->wire4) {
304 at91_set_A_periph(AT91_PIN_PA3, 1);
305 at91_set_A_periph(AT91_PIN_PA4, 1);
306 at91_set_A_periph(AT91_PIN_PA5, 1);
307 }
308 }
309
310 mmc0_data = *data;
311 at91_clock_associate("mci0_clk", &at91sam9263_mmc0_device.dev, "mci_clk");
312 platform_device_register(&at91sam9263_mmc0_device);
313 } else { /* MCI1 */
314 /* CLK */
315 at91_set_A_periph(AT91_PIN_PA6, 0);
316
317 if (data->slot_b) {
318 /* CMD */
319 at91_set_A_periph(AT91_PIN_PA21, 1);
320
321 /* DAT0, maybe DAT1..DAT3 */
322 at91_set_A_periph(AT91_PIN_PA22, 1);
323 if (data->wire4) {
324 at91_set_A_periph(AT91_PIN_PA23, 1);
325 at91_set_A_periph(AT91_PIN_PA24, 1);
326 at91_set_A_periph(AT91_PIN_PA25, 1);
327 }
328 } else {
329 /* CMD */
330 at91_set_A_periph(AT91_PIN_PA7, 1);
331
332 /* DAT0, maybe DAT1..DAT3 */
333 at91_set_A_periph(AT91_PIN_PA8, 1);
334 if (data->wire4) {
335 at91_set_A_periph(AT91_PIN_PA9, 1);
336 at91_set_A_periph(AT91_PIN_PA10, 1);
337 at91_set_A_periph(AT91_PIN_PA11, 1);
338 }
339 }
340
341 mmc1_data = *data;
342 at91_clock_associate("mci1_clk", &at91sam9263_mmc1_device.dev, "mci_clk");
343 platform_device_register(&at91sam9263_mmc1_device);
344 }
345 }
346 #else
347 void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data) {}
348 #endif
349
350 /* --------------------------------------------------------------------
351 * Compact Flash (PCMCIA or IDE)
352 * -------------------------------------------------------------------- */
353
354 #if defined(CONFIG_AT91_CF) || defined(CONFIG_AT91_CF_MODULE) || \
355 defined(CONFIG_BLK_DEV_IDE_AT91) || defined(CONFIG_BLK_DEV_IDE_AT91_MODULE)
356
357 static struct at91_cf_data cf0_data;
358
359 static struct resource cf0_resources[] = {
360 [0] = {
361 .start = AT91_CHIPSELECT_4,
362 .end = AT91_CHIPSELECT_4 + SZ_256M - 1,
363 .flags = IORESOURCE_MEM | IORESOURCE_MEM_8AND16BIT,
364 }
365 };
366
367 static struct platform_device cf0_device = {
368 .id = 0,
369 .dev = {
370 .platform_data = &cf0_data,
371 },
372 .resource = cf0_resources,
373 .num_resources = ARRAY_SIZE(cf0_resources),
374 };
375
376 static struct at91_cf_data cf1_data;
377
378 static struct resource cf1_resources[] = {
379 [0] = {
380 .start = AT91_CHIPSELECT_5,
381 .end = AT91_CHIPSELECT_5 + SZ_256M - 1,
382 .flags = IORESOURCE_MEM | IORESOURCE_MEM_8AND16BIT,
383 }
384 };
385
386 static struct platform_device cf1_device = {
387 .id = 1,
388 .dev = {
389 .platform_data = &cf1_data,
390 },
391 .resource = cf1_resources,
392 .num_resources = ARRAY_SIZE(cf1_resources),
393 };
394
395 void __init at91_add_device_cf(struct at91_cf_data *data)
396 {
397 unsigned long ebi0_csa;
398 struct platform_device *pdev;
399
400 if (!data)
401 return;
402
403 /*
404 * assign CS4 or CS5 to SMC with Compact Flash logic support,
405 * we assume SMC timings are configured by board code,
406 * except True IDE where timings are controlled by driver
407 */
408 ebi0_csa = at91_sys_read(AT91_MATRIX_EBI0CSA);
409 switch (data->chipselect) {
410 case 4:
411 at91_set_A_periph(AT91_PIN_PD6, 0); /* EBI0_NCS4/CFCS0 */
412 ebi0_csa |= AT91_MATRIX_EBI0_CS4A_SMC_CF1;
413 cf0_data = *data;
414 pdev = &cf0_device;
415 break;
416 case 5:
417 at91_set_A_periph(AT91_PIN_PD7, 0); /* EBI0_NCS5/CFCS1 */
418 ebi0_csa |= AT91_MATRIX_EBI0_CS5A_SMC_CF2;
419 cf1_data = *data;
420 pdev = &cf1_device;
421 break;
422 default:
423 printk(KERN_ERR "AT91 CF: bad chip-select requested (%u)\n",
424 data->chipselect);
425 return;
426 }
427 at91_sys_write(AT91_MATRIX_EBI0CSA, ebi0_csa);
428
429 if (data->det_pin) {
430 at91_set_gpio_input(data->det_pin, 1);
431 at91_set_deglitch(data->det_pin, 1);
432 }
433
434 if (data->irq_pin) {
435 at91_set_gpio_input(data->irq_pin, 1);
436 at91_set_deglitch(data->irq_pin, 1);
437 }
438
439 if (data->vcc_pin)
440 /* initially off */
441 at91_set_gpio_output(data->vcc_pin, 0);
442
443 /* enable EBI controlled pins */
444 at91_set_A_periph(AT91_PIN_PD5, 1); /* NWAIT */
445 at91_set_A_periph(AT91_PIN_PD8, 0); /* CFCE1 */
446 at91_set_A_periph(AT91_PIN_PD9, 0); /* CFCE2 */
447 at91_set_A_periph(AT91_PIN_PD14, 0); /* CFNRW */
448
449 pdev->name = (data->flags & AT91_CF_TRUE_IDE) ? "at91_ide" : "at91_cf";
450 platform_device_register(pdev);
451 }
452 #else
453 void __init at91_add_device_cf(struct at91_cf_data *data) {}
454 #endif
455
456 /* --------------------------------------------------------------------
457 * NAND / SmartMedia
458 * -------------------------------------------------------------------- */
459
460 #if defined(CONFIG_MTD_NAND_ATMEL) || defined(CONFIG_MTD_NAND_ATMEL_MODULE)
461 static struct atmel_nand_data nand_data;
462
463 #define NAND_BASE AT91_CHIPSELECT_3
464
465 static struct resource nand_resources[] = {
466 [0] = {
467 .start = NAND_BASE,
468 .end = NAND_BASE + SZ_256M - 1,
469 .flags = IORESOURCE_MEM,
470 },
471 [1] = {
472 .start = AT91_BASE_SYS + AT91_ECC0,
473 .end = AT91_BASE_SYS + AT91_ECC0 + SZ_512 - 1,
474 .flags = IORESOURCE_MEM,
475 }
476 };
477
478 static struct platform_device at91sam9263_nand_device = {
479 .name = "atmel_nand",
480 .id = -1,
481 .dev = {
482 .platform_data = &nand_data,
483 },
484 .resource = nand_resources,
485 .num_resources = ARRAY_SIZE(nand_resources),
486 };
487
488 void __init at91_add_device_nand(struct atmel_nand_data *data)
489 {
490 unsigned long csa;
491
492 if (!data)
493 return;
494
495 csa = at91_sys_read(AT91_MATRIX_EBI0CSA);
496 at91_sys_write(AT91_MATRIX_EBI0CSA, csa | AT91_MATRIX_EBI0_CS3A_SMC_SMARTMEDIA);
497
498 /* enable pin */
499 if (data->enable_pin)
500 at91_set_gpio_output(data->enable_pin, 1);
501
502 /* ready/busy pin */
503 if (data->rdy_pin)
504 at91_set_gpio_input(data->rdy_pin, 1);
505
506 /* card detect pin */
507 if (data->det_pin)
508 at91_set_gpio_input(data->det_pin, 1);
509
510 nand_data = *data;
511 platform_device_register(&at91sam9263_nand_device);
512 }
513 #else
514 void __init at91_add_device_nand(struct atmel_nand_data *data) {}
515 #endif
516
517
518 /* --------------------------------------------------------------------
519 * TWI (i2c)
520 * -------------------------------------------------------------------- */
521
522 /*
523 * Prefer the GPIO code since the TWI controller isn't robust
524 * (gets overruns and underruns under load) and can only issue
525 * repeated STARTs in one scenario (the driver doesn't yet handle them).
526 */
527 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
528
529 static struct i2c_gpio_platform_data pdata = {
530 .sda_pin = AT91_PIN_PB4,
531 .sda_is_open_drain = 1,
532 .scl_pin = AT91_PIN_PB5,
533 .scl_is_open_drain = 1,
534 .udelay = 2, /* ~100 kHz */
535 };
536
537 static struct platform_device at91sam9263_twi_device = {
538 .name = "i2c-gpio",
539 .id = -1,
540 .dev.platform_data = &pdata,
541 };
542
543 void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices)
544 {
545 at91_set_GPIO_periph(AT91_PIN_PB4, 1); /* TWD (SDA) */
546 at91_set_multi_drive(AT91_PIN_PB4, 1);
547
548 at91_set_GPIO_periph(AT91_PIN_PB5, 1); /* TWCK (SCL) */
549 at91_set_multi_drive(AT91_PIN_PB5, 1);
550
551 i2c_register_board_info(0, devices, nr_devices);
552 platform_device_register(&at91sam9263_twi_device);
553 }
554
555 #elif defined(CONFIG_I2C_AT91) || defined(CONFIG_I2C_AT91_MODULE)
556
557 static struct resource twi_resources[] = {
558 [0] = {
559 .start = AT91SAM9263_BASE_TWI,
560 .end = AT91SAM9263_BASE_TWI + SZ_16K - 1,
561 .flags = IORESOURCE_MEM,
562 },
563 [1] = {
564 .start = AT91SAM9263_ID_TWI,
565 .end = AT91SAM9263_ID_TWI,
566 .flags = IORESOURCE_IRQ,
567 },
568 };
569
570 static struct platform_device at91sam9263_twi_device = {
571 .name = "at91_i2c",
572 .id = -1,
573 .resource = twi_resources,
574 .num_resources = ARRAY_SIZE(twi_resources),
575 };
576
577 void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices)
578 {
579 /* pins used for TWI interface */
580 at91_set_A_periph(AT91_PIN_PB4, 0); /* TWD */
581 at91_set_multi_drive(AT91_PIN_PB4, 1);
582
583 at91_set_A_periph(AT91_PIN_PB5, 0); /* TWCK */
584 at91_set_multi_drive(AT91_PIN_PB5, 1);
585
586 i2c_register_board_info(0, devices, nr_devices);
587 platform_device_register(&at91sam9263_twi_device);
588 }
589 #else
590 void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices) {}
591 #endif
592
593
594 /* --------------------------------------------------------------------
595 * SPI
596 * -------------------------------------------------------------------- */
597
598 #if defined(CONFIG_SPI_ATMEL) || defined(CONFIG_SPI_ATMEL_MODULE)
599 static u64 spi_dmamask = DMA_BIT_MASK(32);
600
601 static struct resource spi0_resources[] = {
602 [0] = {
603 .start = AT91SAM9263_BASE_SPI0,
604 .end = AT91SAM9263_BASE_SPI0 + SZ_16K - 1,
605 .flags = IORESOURCE_MEM,
606 },
607 [1] = {
608 .start = AT91SAM9263_ID_SPI0,
609 .end = AT91SAM9263_ID_SPI0,
610 .flags = IORESOURCE_IRQ,
611 },
612 };
613
614 static struct platform_device at91sam9263_spi0_device = {
615 .name = "atmel_spi",
616 .id = 0,
617 .dev = {
618 .dma_mask = &spi_dmamask,
619 .coherent_dma_mask = DMA_BIT_MASK(32),
620 },
621 .resource = spi0_resources,
622 .num_resources = ARRAY_SIZE(spi0_resources),
623 };
624
625 static const unsigned spi0_standard_cs[4] = { AT91_PIN_PA5, AT91_PIN_PA3, AT91_PIN_PA4, AT91_PIN_PB11 };
626
627 static struct resource spi1_resources[] = {
628 [0] = {
629 .start = AT91SAM9263_BASE_SPI1,
630 .end = AT91SAM9263_BASE_SPI1 + SZ_16K - 1,
631 .flags = IORESOURCE_MEM,
632 },
633 [1] = {
634 .start = AT91SAM9263_ID_SPI1,
635 .end = AT91SAM9263_ID_SPI1,
636 .flags = IORESOURCE_IRQ,
637 },
638 };
639
640 static struct platform_device at91sam9263_spi1_device = {
641 .name = "atmel_spi",
642 .id = 1,
643 .dev = {
644 .dma_mask = &spi_dmamask,
645 .coherent_dma_mask = DMA_BIT_MASK(32),
646 },
647 .resource = spi1_resources,
648 .num_resources = ARRAY_SIZE(spi1_resources),
649 };
650
651 static const unsigned spi1_standard_cs[4] = { AT91_PIN_PB15, AT91_PIN_PB16, AT91_PIN_PB17, AT91_PIN_PB18 };
652
653 void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices)
654 {
655 int i;
656 unsigned long cs_pin;
657 short enable_spi0 = 0;
658 short enable_spi1 = 0;
659
660 /* Choose SPI chip-selects */
661 for (i = 0; i < nr_devices; i++) {
662 if (devices[i].controller_data)
663 cs_pin = (unsigned long) devices[i].controller_data;
664 else if (devices[i].bus_num == 0)
665 cs_pin = spi0_standard_cs[devices[i].chip_select];
666 else
667 cs_pin = spi1_standard_cs[devices[i].chip_select];
668
669 if (devices[i].bus_num == 0)
670 enable_spi0 = 1;
671 else
672 enable_spi1 = 1;
673
674 /* enable chip-select pin */
675 at91_set_gpio_output(cs_pin, 1);
676
677 /* pass chip-select pin to driver */
678 devices[i].controller_data = (void *) cs_pin;
679 }
680
681 spi_register_board_info(devices, nr_devices);
682
683 /* Configure SPI bus(es) */
684 if (enable_spi0) {
685 at91_set_B_periph(AT91_PIN_PA0, 0); /* SPI0_MISO */
686 at91_set_B_periph(AT91_PIN_PA1, 0); /* SPI0_MOSI */
687 at91_set_B_periph(AT91_PIN_PA2, 0); /* SPI0_SPCK */
688
689 at91_clock_associate("spi0_clk", &at91sam9263_spi0_device.dev, "spi_clk");
690 platform_device_register(&at91sam9263_spi0_device);
691 }
692 if (enable_spi1) {
693 at91_set_A_periph(AT91_PIN_PB12, 0); /* SPI1_MISO */
694 at91_set_A_periph(AT91_PIN_PB13, 0); /* SPI1_MOSI */
695 at91_set_A_periph(AT91_PIN_PB14, 0); /* SPI1_SPCK */
696
697 at91_clock_associate("spi1_clk", &at91sam9263_spi1_device.dev, "spi_clk");
698 platform_device_register(&at91sam9263_spi1_device);
699 }
700 }
701 #else
702 void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices) {}
703 #endif
704
705
706 /* --------------------------------------------------------------------
707 * AC97
708 * -------------------------------------------------------------------- */
709
710 #if defined(CONFIG_SND_AT91_AC97) || defined(CONFIG_SND_AT91_AC97_MODULE)
711 static u64 ac97_dmamask = DMA_BIT_MASK(32);
712 static struct atmel_ac97_data ac97_data;
713
714 static struct resource ac97_resources[] = {
715 [0] = {
716 .start = AT91SAM9263_BASE_AC97C,
717 .end = AT91SAM9263_BASE_AC97C + SZ_16K - 1,
718 .flags = IORESOURCE_MEM,
719 },
720 [1] = {
721 .start = AT91SAM9263_ID_AC97C,
722 .end = AT91SAM9263_ID_AC97C,
723 .flags = IORESOURCE_IRQ,
724 },
725 };
726
727 static struct platform_device at91sam9263_ac97_device = {
728 .name = "ac97c",
729 .id = 1,
730 .dev = {
731 .dma_mask = &ac97_dmamask,
732 .coherent_dma_mask = DMA_BIT_MASK(32),
733 .platform_data = &ac97_data,
734 },
735 .resource = ac97_resources,
736 .num_resources = ARRAY_SIZE(ac97_resources),
737 };
738
739 void __init at91_add_device_ac97(struct atmel_ac97_data *data)
740 {
741 if (!data)
742 return;
743
744 at91_set_A_periph(AT91_PIN_PB0, 0); /* AC97FS */
745 at91_set_A_periph(AT91_PIN_PB1, 0); /* AC97CK */
746 at91_set_A_periph(AT91_PIN_PB2, 0); /* AC97TX */
747 at91_set_A_periph(AT91_PIN_PB3, 0); /* AC97RX */
748
749 /* reset */
750 if (data->reset_pin)
751 at91_set_gpio_output(data->reset_pin, 0);
752
753 ac97_data = *ek_data;
754 platform_device_register(&at91sam9263_ac97_device);
755 }
756 #else
757 void __init at91_add_device_ac97(struct atmel_ac97_data *data) {}
758 #endif
759
760
761 /* --------------------------------------------------------------------
762 * LCD Controller
763 * -------------------------------------------------------------------- */
764
765 #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
766 static u64 lcdc_dmamask = DMA_BIT_MASK(32);
767 static struct atmel_lcdfb_info lcdc_data;
768
769 static struct resource lcdc_resources[] = {
770 [0] = {
771 .start = AT91SAM9263_LCDC_BASE,
772 .end = AT91SAM9263_LCDC_BASE + SZ_4K - 1,
773 .flags = IORESOURCE_MEM,
774 },
775 [1] = {
776 .start = AT91SAM9263_ID_LCDC,
777 .end = AT91SAM9263_ID_LCDC,
778 .flags = IORESOURCE_IRQ,
779 },
780 };
781
782 static struct platform_device at91_lcdc_device = {
783 .name = "atmel_lcdfb",
784 .id = 0,
785 .dev = {
786 .dma_mask = &lcdc_dmamask,
787 .coherent_dma_mask = DMA_BIT_MASK(32),
788 .platform_data = &lcdc_data,
789 },
790 .resource = lcdc_resources,
791 .num_resources = ARRAY_SIZE(lcdc_resources),
792 };
793
794 void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data)
795 {
796 if (!data)
797 return;
798
799 at91_set_A_periph(AT91_PIN_PC1, 0); /* LCDHSYNC */
800 at91_set_A_periph(AT91_PIN_PC2, 0); /* LCDDOTCK */
801 at91_set_A_periph(AT91_PIN_PC3, 0); /* LCDDEN */
802 at91_set_B_periph(AT91_PIN_PB9, 0); /* LCDCC */
803 at91_set_A_periph(AT91_PIN_PC6, 0); /* LCDD2 */
804 at91_set_A_periph(AT91_PIN_PC7, 0); /* LCDD3 */
805 at91_set_A_periph(AT91_PIN_PC8, 0); /* LCDD4 */
806 at91_set_A_periph(AT91_PIN_PC9, 0); /* LCDD5 */
807 at91_set_A_periph(AT91_PIN_PC10, 0); /* LCDD6 */
808 at91_set_A_periph(AT91_PIN_PC11, 0); /* LCDD7 */
809 at91_set_A_periph(AT91_PIN_PC14, 0); /* LCDD10 */
810 at91_set_A_periph(AT91_PIN_PC15, 0); /* LCDD11 */
811 at91_set_A_periph(AT91_PIN_PC16, 0); /* LCDD12 */
812 at91_set_B_periph(AT91_PIN_PC12, 0); /* LCDD13 */
813 at91_set_A_periph(AT91_PIN_PC18, 0); /* LCDD14 */
814 at91_set_A_periph(AT91_PIN_PC19, 0); /* LCDD15 */
815 at91_set_A_periph(AT91_PIN_PC22, 0); /* LCDD18 */
816 at91_set_A_periph(AT91_PIN_PC23, 0); /* LCDD19 */
817 at91_set_A_periph(AT91_PIN_PC24, 0); /* LCDD20 */
818 at91_set_B_periph(AT91_PIN_PC17, 0); /* LCDD21 */
819 at91_set_A_periph(AT91_PIN_PC26, 0); /* LCDD22 */
820 at91_set_A_periph(AT91_PIN_PC27, 0); /* LCDD23 */
821
822 lcdc_data = *data;
823 platform_device_register(&at91_lcdc_device);
824 }
825 #else
826 void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data) {}
827 #endif
828
829
830 /* --------------------------------------------------------------------
831 * Image Sensor Interface
832 * -------------------------------------------------------------------- */
833
834 #if defined(CONFIG_VIDEO_AT91_ISI) || defined(CONFIG_VIDEO_AT91_ISI_MODULE)
835
836 struct resource isi_resources[] = {
837 [0] = {
838 .start = AT91SAM9263_BASE_ISI,
839 .end = AT91SAM9263_BASE_ISI + SZ_16K - 1,
840 .flags = IORESOURCE_MEM,
841 },
842 [1] = {
843 .start = AT91SAM9263_ID_ISI,
844 .end = AT91SAM9263_ID_ISI,
845 .flags = IORESOURCE_IRQ,
846 },
847 };
848
849 static struct platform_device at91sam9263_isi_device = {
850 .name = "at91_isi",
851 .id = -1,
852 .resource = isi_resources,
853 .num_resources = ARRAY_SIZE(isi_resources),
854 };
855
856 void __init at91_add_device_isi(void)
857 {
858 at91_set_A_periph(AT91_PIN_PE0, 0); /* ISI_D0 */
859 at91_set_A_periph(AT91_PIN_PE1, 0); /* ISI_D1 */
860 at91_set_A_periph(AT91_PIN_PE2, 0); /* ISI_D2 */
861 at91_set_A_periph(AT91_PIN_PE3, 0); /* ISI_D3 */
862 at91_set_A_periph(AT91_PIN_PE4, 0); /* ISI_D4 */
863 at91_set_A_periph(AT91_PIN_PE5, 0); /* ISI_D5 */
864 at91_set_A_periph(AT91_PIN_PE6, 0); /* ISI_D6 */
865 at91_set_A_periph(AT91_PIN_PE7, 0); /* ISI_D7 */
866 at91_set_A_periph(AT91_PIN_PE8, 0); /* ISI_PCK */
867 at91_set_A_periph(AT91_PIN_PE9, 0); /* ISI_HSYNC */
868 at91_set_A_periph(AT91_PIN_PE10, 0); /* ISI_VSYNC */
869 at91_set_B_periph(AT91_PIN_PE11, 0); /* ISI_MCK (PCK3) */
870 at91_set_B_periph(AT91_PIN_PE12, 0); /* ISI_PD8 */
871 at91_set_B_periph(AT91_PIN_PE13, 0); /* ISI_PD9 */
872 at91_set_B_periph(AT91_PIN_PE14, 0); /* ISI_PD10 */
873 at91_set_B_periph(AT91_PIN_PE15, 0); /* ISI_PD11 */
874 }
875 #else
876 void __init at91_add_device_isi(void) {}
877 #endif
878
879
880 /* --------------------------------------------------------------------
881 * Timer/Counter block
882 * -------------------------------------------------------------------- */
883
884 #ifdef CONFIG_ATMEL_TCLIB
885
886 static struct resource tcb_resources[] = {
887 [0] = {
888 .start = AT91SAM9263_BASE_TCB0,
889 .end = AT91SAM9263_BASE_TCB0 + SZ_16K - 1,
890 .flags = IORESOURCE_MEM,
891 },
892 [1] = {
893 .start = AT91SAM9263_ID_TCB,
894 .end = AT91SAM9263_ID_TCB,
895 .flags = IORESOURCE_IRQ,
896 },
897 };
898
899 static struct platform_device at91sam9263_tcb_device = {
900 .name = "atmel_tcb",
901 .id = 0,
902 .resource = tcb_resources,
903 .num_resources = ARRAY_SIZE(tcb_resources),
904 };
905
906 static void __init at91_add_device_tc(void)
907 {
908 /* this chip has one clock and irq for all three TC channels */
909 at91_clock_associate("tcb_clk", &at91sam9263_tcb_device.dev, "t0_clk");
910 platform_device_register(&at91sam9263_tcb_device);
911 }
912 #else
913 static void __init at91_add_device_tc(void) { }
914 #endif
915
916
917 /* --------------------------------------------------------------------
918 * RTT
919 * -------------------------------------------------------------------- */
920
921 static struct resource rtt0_resources[] = {
922 {
923 .start = AT91_BASE_SYS + AT91_RTT0,
924 .end = AT91_BASE_SYS + AT91_RTT0 + SZ_16 - 1,
925 .flags = IORESOURCE_MEM,
926 }
927 };
928
929 static struct platform_device at91sam9263_rtt0_device = {
930 .name = "at91_rtt",
931 .id = 0,
932 .resource = rtt0_resources,
933 .num_resources = ARRAY_SIZE(rtt0_resources),
934 };
935
936 static struct resource rtt1_resources[] = {
937 {
938 .start = AT91_BASE_SYS + AT91_RTT1,
939 .end = AT91_BASE_SYS + AT91_RTT1 + SZ_16 - 1,
940 .flags = IORESOURCE_MEM,
941 }
942 };
943
944 static struct platform_device at91sam9263_rtt1_device = {
945 .name = "at91_rtt",
946 .id = 1,
947 .resource = rtt1_resources,
948 .num_resources = ARRAY_SIZE(rtt1_resources),
949 };
950
951 static void __init at91_add_device_rtt(void)
952 {
953 platform_device_register(&at91sam9263_rtt0_device);
954 platform_device_register(&at91sam9263_rtt1_device);
955 }
956
957
958 /* --------------------------------------------------------------------
959 * Watchdog
960 * -------------------------------------------------------------------- */
961
962 #if defined(CONFIG_AT91SAM9X_WATCHDOG) || defined(CONFIG_AT91SAM9X_WATCHDOG_MODULE)
963 static struct platform_device at91sam9263_wdt_device = {
964 .name = "at91_wdt",
965 .id = -1,
966 .num_resources = 0,
967 };
968
969 static void __init at91_add_device_watchdog(void)
970 {
971 platform_device_register(&at91sam9263_wdt_device);
972 }
973 #else
974 static void __init at91_add_device_watchdog(void) {}
975 #endif
976
977
978 /* --------------------------------------------------------------------
979 * PWM
980 * --------------------------------------------------------------------*/
981
982 #if defined(CONFIG_ATMEL_PWM)
983 static u32 pwm_mask;
984
985 static struct resource pwm_resources[] = {
986 [0] = {
987 .start = AT91SAM9263_BASE_PWMC,
988 .end = AT91SAM9263_BASE_PWMC + SZ_16K - 1,
989 .flags = IORESOURCE_MEM,
990 },
991 [1] = {
992 .start = AT91SAM9263_ID_PWMC,
993 .end = AT91SAM9263_ID_PWMC,
994 .flags = IORESOURCE_IRQ,
995 },
996 };
997
998 static struct platform_device at91sam9263_pwm0_device = {
999 .name = "atmel_pwm",
1000 .id = -1,
1001 .dev = {
1002 .platform_data = &pwm_mask,
1003 },
1004 .resource = pwm_resources,
1005 .num_resources = ARRAY_SIZE(pwm_resources),
1006 };
1007
1008 void __init at91_add_device_pwm(u32 mask)
1009 {
1010 if (mask & (1 << AT91_PWM0))
1011 at91_set_B_periph(AT91_PIN_PB7, 1); /* enable PWM0 */
1012
1013 if (mask & (1 << AT91_PWM1))
1014 at91_set_B_periph(AT91_PIN_PB8, 1); /* enable PWM1 */
1015
1016 if (mask & (1 << AT91_PWM2))
1017 at91_set_B_periph(AT91_PIN_PC29, 1); /* enable PWM2 */
1018
1019 if (mask & (1 << AT91_PWM3))
1020 at91_set_B_periph(AT91_PIN_PB29, 1); /* enable PWM3 */
1021
1022 pwm_mask = mask;
1023
1024 platform_device_register(&at91sam9263_pwm0_device);
1025 }
1026 #else
1027 void __init at91_add_device_pwm(u32 mask) {}
1028 #endif
1029
1030
1031 /* --------------------------------------------------------------------
1032 * SSC -- Synchronous Serial Controller
1033 * -------------------------------------------------------------------- */
1034
1035 #if defined(CONFIG_ATMEL_SSC) || defined(CONFIG_ATMEL_SSC_MODULE)
1036 static u64 ssc0_dmamask = DMA_BIT_MASK(32);
1037
1038 static struct resource ssc0_resources[] = {
1039 [0] = {
1040 .start = AT91SAM9263_BASE_SSC0,
1041 .end = AT91SAM9263_BASE_SSC0 + SZ_16K - 1,
1042 .flags = IORESOURCE_MEM,
1043 },
1044 [1] = {
1045 .start = AT91SAM9263_ID_SSC0,
1046 .end = AT91SAM9263_ID_SSC0,
1047 .flags = IORESOURCE_IRQ,
1048 },
1049 };
1050
1051 static struct platform_device at91sam9263_ssc0_device = {
1052 .name = "ssc",
1053 .id = 0,
1054 .dev = {
1055 .dma_mask = &ssc0_dmamask,
1056 .coherent_dma_mask = DMA_BIT_MASK(32),
1057 },
1058 .resource = ssc0_resources,
1059 .num_resources = ARRAY_SIZE(ssc0_resources),
1060 };
1061
1062 static inline void configure_ssc0_pins(unsigned pins)
1063 {
1064 if (pins & ATMEL_SSC_TF)
1065 at91_set_B_periph(AT91_PIN_PB0, 1);
1066 if (pins & ATMEL_SSC_TK)
1067 at91_set_B_periph(AT91_PIN_PB1, 1);
1068 if (pins & ATMEL_SSC_TD)
1069 at91_set_B_periph(AT91_PIN_PB2, 1);
1070 if (pins & ATMEL_SSC_RD)
1071 at91_set_B_periph(AT91_PIN_PB3, 1);
1072 if (pins & ATMEL_SSC_RK)
1073 at91_set_B_periph(AT91_PIN_PB4, 1);
1074 if (pins & ATMEL_SSC_RF)
1075 at91_set_B_periph(AT91_PIN_PB5, 1);
1076 }
1077
1078 static u64 ssc1_dmamask = DMA_BIT_MASK(32);
1079
1080 static struct resource ssc1_resources[] = {
1081 [0] = {
1082 .start = AT91SAM9263_BASE_SSC1,
1083 .end = AT91SAM9263_BASE_SSC1 + SZ_16K - 1,
1084 .flags = IORESOURCE_MEM,
1085 },
1086 [1] = {
1087 .start = AT91SAM9263_ID_SSC1,
1088 .end = AT91SAM9263_ID_SSC1,
1089 .flags = IORESOURCE_IRQ,
1090 },
1091 };
1092
1093 static struct platform_device at91sam9263_ssc1_device = {
1094 .name = "ssc",
1095 .id = 1,
1096 .dev = {
1097 .dma_mask = &ssc1_dmamask,
1098 .coherent_dma_mask = DMA_BIT_MASK(32),
1099 },
1100 .resource = ssc1_resources,
1101 .num_resources = ARRAY_SIZE(ssc1_resources),
1102 };
1103
1104 static inline void configure_ssc1_pins(unsigned pins)
1105 {
1106 if (pins & ATMEL_SSC_TF)
1107 at91_set_A_periph(AT91_PIN_PB6, 1);
1108 if (pins & ATMEL_SSC_TK)
1109 at91_set_A_periph(AT91_PIN_PB7, 1);
1110 if (pins & ATMEL_SSC_TD)
1111 at91_set_A_periph(AT91_PIN_PB8, 1);
1112 if (pins & ATMEL_SSC_RD)
1113 at91_set_A_periph(AT91_PIN_PB9, 1);
1114 if (pins & ATMEL_SSC_RK)
1115 at91_set_A_periph(AT91_PIN_PB10, 1);
1116 if (pins & ATMEL_SSC_RF)
1117 at91_set_A_periph(AT91_PIN_PB11, 1);
1118 }
1119
1120 /*
1121 * SSC controllers are accessed through library code, instead of any
1122 * kind of all-singing/all-dancing driver. For example one could be
1123 * used by a particular I2S audio codec's driver, while another one
1124 * on the same system might be used by a custom data capture driver.
1125 */
1126 void __init at91_add_device_ssc(unsigned id, unsigned pins)
1127 {
1128 struct platform_device *pdev;
1129
1130 /*
1131 * NOTE: caller is responsible for passing information matching
1132 * "pins" to whatever will be using each particular controller.
1133 */
1134 switch (id) {
1135 case AT91SAM9263_ID_SSC0:
1136 pdev = &at91sam9263_ssc0_device;
1137 configure_ssc0_pins(pins);
1138 at91_clock_associate("ssc0_clk", &pdev->dev, "pclk");
1139 break;
1140 case AT91SAM9263_ID_SSC1:
1141 pdev = &at91sam9263_ssc1_device;
1142 configure_ssc1_pins(pins);
1143 at91_clock_associate("ssc1_clk", &pdev->dev, "pclk");
1144 break;
1145 default:
1146 return;
1147 }
1148
1149 platform_device_register(pdev);
1150 }
1151
1152 #else
1153 void __init at91_add_device_ssc(unsigned id, unsigned pins) {}
1154 #endif
1155
1156
1157 /* --------------------------------------------------------------------
1158 * UART
1159 * -------------------------------------------------------------------- */
1160
1161 #if defined(CONFIG_SERIAL_ATMEL)
1162
1163 static struct resource dbgu_resources[] = {
1164 [0] = {
1165 .start = AT91_VA_BASE_SYS + AT91_DBGU,
1166 .end = AT91_VA_BASE_SYS + AT91_DBGU + SZ_512 - 1,
1167 .flags = IORESOURCE_MEM,
1168 },
1169 [1] = {
1170 .start = AT91_ID_SYS,
1171 .end = AT91_ID_SYS,
1172 .flags = IORESOURCE_IRQ,
1173 },
1174 };
1175
1176 static struct atmel_uart_data dbgu_data = {
1177 .use_dma_tx = 0,
1178 .use_dma_rx = 0, /* DBGU not capable of receive DMA */
1179 .regs = (void __iomem *)(AT91_VA_BASE_SYS + AT91_DBGU),
1180 };
1181
1182 static u64 dbgu_dmamask = DMA_BIT_MASK(32);
1183
1184 static struct platform_device at91sam9263_dbgu_device = {
1185 .name = "atmel_usart",
1186 .id = 0,
1187 .dev = {
1188 .dma_mask = &dbgu_dmamask,
1189 .coherent_dma_mask = DMA_BIT_MASK(32),
1190 .platform_data = &dbgu_data,
1191 },
1192 .resource = dbgu_resources,
1193 .num_resources = ARRAY_SIZE(dbgu_resources),
1194 };
1195
1196 static inline void configure_dbgu_pins(void)
1197 {
1198 at91_set_A_periph(AT91_PIN_PC30, 0); /* DRXD */
1199 at91_set_A_periph(AT91_PIN_PC31, 1); /* DTXD */
1200 }
1201
1202 static struct resource uart0_resources[] = {
1203 [0] = {
1204 .start = AT91SAM9263_BASE_US0,
1205 .end = AT91SAM9263_BASE_US0 + SZ_16K - 1,
1206 .flags = IORESOURCE_MEM,
1207 },
1208 [1] = {
1209 .start = AT91SAM9263_ID_US0,
1210 .end = AT91SAM9263_ID_US0,
1211 .flags = IORESOURCE_IRQ,
1212 },
1213 };
1214
1215 static struct atmel_uart_data uart0_data = {
1216 .use_dma_tx = 1,
1217 .use_dma_rx = 1,
1218 };
1219
1220 static u64 uart0_dmamask = DMA_BIT_MASK(32);
1221
1222 static struct platform_device at91sam9263_uart0_device = {
1223 .name = "atmel_usart",
1224 .id = 1,
1225 .dev = {
1226 .dma_mask = &uart0_dmamask,
1227 .coherent_dma_mask = DMA_BIT_MASK(32),
1228 .platform_data = &uart0_data,
1229 },
1230 .resource = uart0_resources,
1231 .num_resources = ARRAY_SIZE(uart0_resources),
1232 };
1233
1234 static inline void configure_usart0_pins(unsigned pins)
1235 {
1236 at91_set_A_periph(AT91_PIN_PA26, 1); /* TXD0 */
1237 at91_set_A_periph(AT91_PIN_PA27, 0); /* RXD0 */
1238
1239 if (pins & ATMEL_UART_RTS)
1240 at91_set_A_periph(AT91_PIN_PA28, 0); /* RTS0 */
1241 if (pins & ATMEL_UART_CTS)
1242 at91_set_A_periph(AT91_PIN_PA29, 0); /* CTS0 */
1243 }
1244
1245 static struct resource uart1_resources[] = {
1246 [0] = {
1247 .start = AT91SAM9263_BASE_US1,
1248 .end = AT91SAM9263_BASE_US1 + SZ_16K - 1,
1249 .flags = IORESOURCE_MEM,
1250 },
1251 [1] = {
1252 .start = AT91SAM9263_ID_US1,
1253 .end = AT91SAM9263_ID_US1,
1254 .flags = IORESOURCE_IRQ,
1255 },
1256 };
1257
1258 static struct atmel_uart_data uart1_data = {
1259 .use_dma_tx = 1,
1260 .use_dma_rx = 1,
1261 };
1262
1263 static u64 uart1_dmamask = DMA_BIT_MASK(32);
1264
1265 static struct platform_device at91sam9263_uart1_device = {
1266 .name = "atmel_usart",
1267 .id = 2,
1268 .dev = {
1269 .dma_mask = &uart1_dmamask,
1270 .coherent_dma_mask = DMA_BIT_MASK(32),
1271 .platform_data = &uart1_data,
1272 },
1273 .resource = uart1_resources,
1274 .num_resources = ARRAY_SIZE(uart1_resources),
1275 };
1276
1277 static inline void configure_usart1_pins(unsigned pins)
1278 {
1279 at91_set_A_periph(AT91_PIN_PD0, 1); /* TXD1 */
1280 at91_set_A_periph(AT91_PIN_PD1, 0); /* RXD1 */
1281
1282 if (pins & ATMEL_UART_RTS)
1283 at91_set_B_periph(AT91_PIN_PD7, 0); /* RTS1 */
1284 if (pins & ATMEL_UART_CTS)
1285 at91_set_B_periph(AT91_PIN_PD8, 0); /* CTS1 */
1286 }
1287
1288 static struct resource uart2_resources[] = {
1289 [0] = {
1290 .start = AT91SAM9263_BASE_US2,
1291 .end = AT91SAM9263_BASE_US2 + SZ_16K - 1,
1292 .flags = IORESOURCE_MEM,
1293 },
1294 [1] = {
1295 .start = AT91SAM9263_ID_US2,
1296 .end = AT91SAM9263_ID_US2,
1297 .flags = IORESOURCE_IRQ,
1298 },
1299 };
1300
1301 static struct atmel_uart_data uart2_data = {
1302 .use_dma_tx = 1,
1303 .use_dma_rx = 1,
1304 };
1305
1306 static u64 uart2_dmamask = DMA_BIT_MASK(32);
1307
1308 static struct platform_device at91sam9263_uart2_device = {
1309 .name = "atmel_usart",
1310 .id = 3,
1311 .dev = {
1312 .dma_mask = &uart2_dmamask,
1313 .coherent_dma_mask = DMA_BIT_MASK(32),
1314 .platform_data = &uart2_data,
1315 },
1316 .resource = uart2_resources,
1317 .num_resources = ARRAY_SIZE(uart2_resources),
1318 };
1319
1320 static inline void configure_usart2_pins(unsigned pins)
1321 {
1322 at91_set_A_periph(AT91_PIN_PD2, 1); /* TXD2 */
1323 at91_set_A_periph(AT91_PIN_PD3, 0); /* RXD2 */
1324
1325 if (pins & ATMEL_UART_RTS)
1326 at91_set_B_periph(AT91_PIN_PD5, 0); /* RTS2 */
1327 if (pins & ATMEL_UART_CTS)
1328 at91_set_B_periph(AT91_PIN_PD6, 0); /* CTS2 */
1329 }
1330
1331 static struct platform_device *__initdata at91_uarts[ATMEL_MAX_UART]; /* the UARTs to use */
1332 struct platform_device *atmel_default_console_device; /* the serial console device */
1333
1334 void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins)
1335 {
1336 struct platform_device *pdev;
1337
1338 switch (id) {
1339 case 0: /* DBGU */
1340 pdev = &at91sam9263_dbgu_device;
1341 configure_dbgu_pins();
1342 at91_clock_associate("mck", &pdev->dev, "usart");
1343 break;
1344 case AT91SAM9263_ID_US0:
1345 pdev = &at91sam9263_uart0_device;
1346 configure_usart0_pins(pins);
1347 at91_clock_associate("usart0_clk", &pdev->dev, "usart");
1348 break;
1349 case AT91SAM9263_ID_US1:
1350 pdev = &at91sam9263_uart1_device;
1351 configure_usart1_pins(pins);
1352 at91_clock_associate("usart1_clk", &pdev->dev, "usart");
1353 break;
1354 case AT91SAM9263_ID_US2:
1355 pdev = &at91sam9263_uart2_device;
1356 configure_usart2_pins(pins);
1357 at91_clock_associate("usart2_clk", &pdev->dev, "usart");
1358 break;
1359 default:
1360 return;
1361 }
1362 pdev->id = portnr; /* update to mapped ID */
1363
1364 if (portnr < ATMEL_MAX_UART)
1365 at91_uarts[portnr] = pdev;
1366 }
1367
1368 void __init at91_set_serial_console(unsigned portnr)
1369 {
1370 if (portnr < ATMEL_MAX_UART)
1371 atmel_default_console_device = at91_uarts[portnr];
1372 }
1373
1374 void __init at91_add_device_serial(void)
1375 {
1376 int i;
1377
1378 for (i = 0; i < ATMEL_MAX_UART; i++) {
1379 if (at91_uarts[i])
1380 platform_device_register(at91_uarts[i]);
1381 }
1382
1383 if (!atmel_default_console_device)
1384 printk(KERN_INFO "AT91: No default serial console defined.\n");
1385 }
1386 #else
1387 void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins) {}
1388 void __init at91_set_serial_console(unsigned portnr) {}
1389 void __init at91_add_device_serial(void) {}
1390 #endif
1391
1392
1393 /* -------------------------------------------------------------------- */
1394 /*
1395 * These devices are always present and don't need any board-specific
1396 * setup.
1397 */
1398 static int __init at91_add_standard_devices(void)
1399 {
1400 at91_add_device_rtt();
1401 at91_add_device_watchdog();
1402 at91_add_device_tc();
1403 return 0;
1404 }
1405
1406 arch_initcall(at91_add_standard_devices);
Linux for Ginger Game Console