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Andrew Victor86ad76b2006-11-30 16:45:01 +01001/*
Andrew Victor9d041262007-02-05 11:42:07 +01002 * arch/arm/mach-at91/at91sam9260_devices.c
Andrew Victor86ad76b2006-11-30 16:45:01 +01003 *
4 * Copyright (C) 2006 Atmel
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
Andrew Victorc6686ff2008-01-23 09:13:53 +010015#include <linux/dma-mapping.h>
Andrew Victor86ad76b2006-11-30 16:45:01 +010016#include <linux/platform_device.h>
Andrew Victorf230d3f2007-11-19 13:47:20 +010017#include <linux/i2c-gpio.h>
Andrew Victor86ad76b2006-11-30 16:45:01 +010018
19#include <asm/arch/board.h>
20#include <asm/arch/gpio.h>
21#include <asm/arch/at91sam9260.h>
Andrew Victor8df12922006-12-08 11:30:29 +010022#include <asm/arch/at91sam9260_matrix.h>
Andrew Victorb78eabd2008-04-02 21:38:40 +010023#include <asm/arch/at91sam9_smc.h>
Andrew Victor86ad76b2006-11-30 16:45:01 +010024
25#include "generic.h"
26
Andrew Victor86ad76b2006-11-30 16:45:01 +010027
28/* --------------------------------------------------------------------
29 * USB Host
30 * -------------------------------------------------------------------- */
31
32#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
Andrew Victorc6686ff2008-01-23 09:13:53 +010033static u64 ohci_dmamask = DMA_BIT_MASK(32);
Andrew Victor86ad76b2006-11-30 16:45:01 +010034static struct at91_usbh_data usbh_data;
35
36static struct resource usbh_resources[] = {
37 [0] = {
38 .start = AT91SAM9260_UHP_BASE,
39 .end = AT91SAM9260_UHP_BASE + SZ_1M - 1,
40 .flags = IORESOURCE_MEM,
41 },
42 [1] = {
43 .start = AT91SAM9260_ID_UHP,
44 .end = AT91SAM9260_ID_UHP,
45 .flags = IORESOURCE_IRQ,
46 },
47};
48
49static struct platform_device at91_usbh_device = {
50 .name = "at91_ohci",
51 .id = -1,
52 .dev = {
53 .dma_mask = &ohci_dmamask,
Andrew Victorc6686ff2008-01-23 09:13:53 +010054 .coherent_dma_mask = DMA_BIT_MASK(32),
Andrew Victor86ad76b2006-11-30 16:45:01 +010055 .platform_data = &usbh_data,
56 },
57 .resource = usbh_resources,
58 .num_resources = ARRAY_SIZE(usbh_resources),
59};
60
61void __init at91_add_device_usbh(struct at91_usbh_data *data)
62{
63 if (!data)
64 return;
65
66 usbh_data = *data;
67 platform_device_register(&at91_usbh_device);
68}
69#else
70void __init at91_add_device_usbh(struct at91_usbh_data *data) {}
71#endif
72
73
74/* --------------------------------------------------------------------
75 * USB Device (Gadget)
76 * -------------------------------------------------------------------- */
77
78#ifdef CONFIG_USB_GADGET_AT91
79static struct at91_udc_data udc_data;
80
81static struct resource udc_resources[] = {
82 [0] = {
83 .start = AT91SAM9260_BASE_UDP,
84 .end = AT91SAM9260_BASE_UDP + SZ_16K - 1,
85 .flags = IORESOURCE_MEM,
86 },
87 [1] = {
88 .start = AT91SAM9260_ID_UDP,
89 .end = AT91SAM9260_ID_UDP,
90 .flags = IORESOURCE_IRQ,
91 },
92};
93
94static struct platform_device at91_udc_device = {
95 .name = "at91_udc",
96 .id = -1,
97 .dev = {
98 .platform_data = &udc_data,
99 },
100 .resource = udc_resources,
101 .num_resources = ARRAY_SIZE(udc_resources),
102};
103
104void __init at91_add_device_udc(struct at91_udc_data *data)
105{
106 if (!data)
107 return;
108
109 if (data->vbus_pin) {
110 at91_set_gpio_input(data->vbus_pin, 0);
111 at91_set_deglitch(data->vbus_pin, 1);
112 }
113
114 /* Pullup pin is handled internally by USB device peripheral */
115
116 udc_data = *data;
117 platform_device_register(&at91_udc_device);
118}
119#else
120void __init at91_add_device_udc(struct at91_udc_data *data) {}
121#endif
122
123
124/* --------------------------------------------------------------------
125 * Ethernet
126 * -------------------------------------------------------------------- */
127
128#if defined(CONFIG_MACB) || defined(CONFIG_MACB_MODULE)
Andrew Victorc6686ff2008-01-23 09:13:53 +0100129static u64 eth_dmamask = DMA_BIT_MASK(32);
Andrew Victora93d48c2007-02-01 09:22:23 +0100130static struct at91_eth_data eth_data;
Andrew Victor86ad76b2006-11-30 16:45:01 +0100131
132static struct resource eth_resources[] = {
133 [0] = {
134 .start = AT91SAM9260_BASE_EMAC,
135 .end = AT91SAM9260_BASE_EMAC + SZ_16K - 1,
136 .flags = IORESOURCE_MEM,
137 },
138 [1] = {
139 .start = AT91SAM9260_ID_EMAC,
140 .end = AT91SAM9260_ID_EMAC,
141 .flags = IORESOURCE_IRQ,
142 },
143};
144
145static struct platform_device at91sam9260_eth_device = {
146 .name = "macb",
147 .id = -1,
148 .dev = {
149 .dma_mask = &eth_dmamask,
Andrew Victorc6686ff2008-01-23 09:13:53 +0100150 .coherent_dma_mask = DMA_BIT_MASK(32),
Andrew Victor86ad76b2006-11-30 16:45:01 +0100151 .platform_data = &eth_data,
152 },
153 .resource = eth_resources,
154 .num_resources = ARRAY_SIZE(eth_resources),
155};
156
Andrew Victora93d48c2007-02-01 09:22:23 +0100157void __init at91_add_device_eth(struct at91_eth_data *data)
Andrew Victor86ad76b2006-11-30 16:45:01 +0100158{
159 if (!data)
160 return;
161
162 if (data->phy_irq_pin) {
163 at91_set_gpio_input(data->phy_irq_pin, 0);
164 at91_set_deglitch(data->phy_irq_pin, 1);
165 }
166
167 /* Pins used for MII and RMII */
168 at91_set_A_periph(AT91_PIN_PA19, 0); /* ETXCK_EREFCK */
169 at91_set_A_periph(AT91_PIN_PA17, 0); /* ERXDV */
170 at91_set_A_periph(AT91_PIN_PA14, 0); /* ERX0 */
171 at91_set_A_periph(AT91_PIN_PA15, 0); /* ERX1 */
172 at91_set_A_periph(AT91_PIN_PA18, 0); /* ERXER */
173 at91_set_A_periph(AT91_PIN_PA16, 0); /* ETXEN */
174 at91_set_A_periph(AT91_PIN_PA12, 0); /* ETX0 */
175 at91_set_A_periph(AT91_PIN_PA13, 0); /* ETX1 */
176 at91_set_A_periph(AT91_PIN_PA21, 0); /* EMDIO */
177 at91_set_A_periph(AT91_PIN_PA20, 0); /* EMDC */
178
179 if (!data->is_rmii) {
180 at91_set_B_periph(AT91_PIN_PA28, 0); /* ECRS */
181 at91_set_B_periph(AT91_PIN_PA29, 0); /* ECOL */
182 at91_set_B_periph(AT91_PIN_PA25, 0); /* ERX2 */
183 at91_set_B_periph(AT91_PIN_PA26, 0); /* ERX3 */
184 at91_set_B_periph(AT91_PIN_PA27, 0); /* ERXCK */
185 at91_set_B_periph(AT91_PIN_PA23, 0); /* ETX2 */
186 at91_set_B_periph(AT91_PIN_PA24, 0); /* ETX3 */
187 at91_set_B_periph(AT91_PIN_PA22, 0); /* ETXER */
188 }
189
190 eth_data = *data;
191 platform_device_register(&at91sam9260_eth_device);
192}
193#else
Andrew Victora93d48c2007-02-01 09:22:23 +0100194void __init at91_add_device_eth(struct at91_eth_data *data) {}
Andrew Victor86ad76b2006-11-30 16:45:01 +0100195#endif
196
197
198/* --------------------------------------------------------------------
199 * MMC / SD
200 * -------------------------------------------------------------------- */
201
202#if defined(CONFIG_MMC_AT91) || defined(CONFIG_MMC_AT91_MODULE)
Andrew Victorc6686ff2008-01-23 09:13:53 +0100203static u64 mmc_dmamask = DMA_BIT_MASK(32);
Andrew Victor86ad76b2006-11-30 16:45:01 +0100204static struct at91_mmc_data mmc_data;
205
206static struct resource mmc_resources[] = {
207 [0] = {
208 .start = AT91SAM9260_BASE_MCI,
209 .end = AT91SAM9260_BASE_MCI + SZ_16K - 1,
210 .flags = IORESOURCE_MEM,
211 },
212 [1] = {
213 .start = AT91SAM9260_ID_MCI,
214 .end = AT91SAM9260_ID_MCI,
215 .flags = IORESOURCE_IRQ,
216 },
217};
218
219static struct platform_device at91sam9260_mmc_device = {
220 .name = "at91_mci",
221 .id = -1,
222 .dev = {
223 .dma_mask = &mmc_dmamask,
Andrew Victorc6686ff2008-01-23 09:13:53 +0100224 .coherent_dma_mask = DMA_BIT_MASK(32),
Andrew Victor86ad76b2006-11-30 16:45:01 +0100225 .platform_data = &mmc_data,
226 },
227 .resource = mmc_resources,
228 .num_resources = ARRAY_SIZE(mmc_resources),
229};
230
Andrew Victord0760b32007-02-08 09:00:39 +0100231void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data)
Andrew Victor86ad76b2006-11-30 16:45:01 +0100232{
233 if (!data)
234 return;
235
236 /* input/irq */
237 if (data->det_pin) {
238 at91_set_gpio_input(data->det_pin, 1);
239 at91_set_deglitch(data->det_pin, 1);
240 }
241 if (data->wp_pin)
242 at91_set_gpio_input(data->wp_pin, 1);
243 if (data->vcc_pin)
244 at91_set_gpio_output(data->vcc_pin, 0);
245
246 /* CLK */
247 at91_set_A_periph(AT91_PIN_PA8, 0);
248
249 if (data->slot_b) {
250 /* CMD */
251 at91_set_B_periph(AT91_PIN_PA1, 1);
252
253 /* DAT0, maybe DAT1..DAT3 */
254 at91_set_B_periph(AT91_PIN_PA0, 1);
255 if (data->wire4) {
256 at91_set_B_periph(AT91_PIN_PA5, 1);
257 at91_set_B_periph(AT91_PIN_PA4, 1);
258 at91_set_B_periph(AT91_PIN_PA3, 1);
259 }
260 } else {
261 /* CMD */
262 at91_set_A_periph(AT91_PIN_PA7, 1);
263
264 /* DAT0, maybe DAT1..DAT3 */
265 at91_set_A_periph(AT91_PIN_PA6, 1);
266 if (data->wire4) {
267 at91_set_A_periph(AT91_PIN_PA9, 1);
268 at91_set_A_periph(AT91_PIN_PA10, 1);
269 at91_set_A_periph(AT91_PIN_PA11, 1);
270 }
271 }
272
273 mmc_data = *data;
274 platform_device_register(&at91sam9260_mmc_device);
275}
276#else
Andrew Victord0760b32007-02-08 09:00:39 +0100277void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data) {}
Andrew Victor86ad76b2006-11-30 16:45:01 +0100278#endif
279
280
281/* --------------------------------------------------------------------
282 * NAND / SmartMedia
283 * -------------------------------------------------------------------- */
284
285#if defined(CONFIG_MTD_NAND_AT91) || defined(CONFIG_MTD_NAND_AT91_MODULE)
286static struct at91_nand_data nand_data;
287
288#define NAND_BASE AT91_CHIPSELECT_3
289
290static struct resource nand_resources[] = {
Andrew Victord7a24152008-04-02 21:44:44 +0100291 [0] = {
Andrew Victor86ad76b2006-11-30 16:45:01 +0100292 .start = NAND_BASE,
Andrew Victor22823552008-01-23 09:21:02 +0100293 .end = NAND_BASE + SZ_256M - 1,
Andrew Victor86ad76b2006-11-30 16:45:01 +0100294 .flags = IORESOURCE_MEM,
Andrew Victord7a24152008-04-02 21:44:44 +0100295 },
296 [1] = {
297 .start = AT91_BASE_SYS + AT91_ECC,
298 .end = AT91_BASE_SYS + AT91_ECC + SZ_512 - 1,
299 .flags = IORESOURCE_MEM,
Andrew Victor86ad76b2006-11-30 16:45:01 +0100300 }
301};
302
303static struct platform_device at91sam9260_nand_device = {
304 .name = "at91_nand",
305 .id = -1,
306 .dev = {
307 .platform_data = &nand_data,
308 },
309 .resource = nand_resources,
310 .num_resources = ARRAY_SIZE(nand_resources),
311};
312
313void __init at91_add_device_nand(struct at91_nand_data *data)
314{
315 unsigned long csa, mode;
316
317 if (!data)
318 return;
319
320 csa = at91_sys_read(AT91_MATRIX_EBICSA);
Andrew Victor22823552008-01-23 09:21:02 +0100321 at91_sys_write(AT91_MATRIX_EBICSA, csa | AT91_MATRIX_CS3A_SMC_SMARTMEDIA);
Andrew Victor86ad76b2006-11-30 16:45:01 +0100322
323 /* set the bus interface characteristics */
324 at91_sys_write(AT91_SMC_SETUP(3), AT91_SMC_NWESETUP_(0) | AT91_SMC_NCS_WRSETUP_(0)
325 | AT91_SMC_NRDSETUP_(0) | AT91_SMC_NCS_RDSETUP_(0));
326
Andrew Victor2848e642007-03-26 11:02:48 +0100327 at91_sys_write(AT91_SMC_PULSE(3), AT91_SMC_NWEPULSE_(3) | AT91_SMC_NCS_WRPULSE_(3)
328 | AT91_SMC_NRDPULSE_(3) | AT91_SMC_NCS_RDPULSE_(3));
Andrew Victor86ad76b2006-11-30 16:45:01 +0100329
Andrew Victor2848e642007-03-26 11:02:48 +0100330 at91_sys_write(AT91_SMC_CYCLE(3), AT91_SMC_NWECYCLE_(5) | AT91_SMC_NRDCYCLE_(5));
Andrew Victor86ad76b2006-11-30 16:45:01 +0100331
332 if (data->bus_width_16)
333 mode = AT91_SMC_DBW_16;
334 else
335 mode = AT91_SMC_DBW_8;
Andrew Victor2848e642007-03-26 11:02:48 +0100336 at91_sys_write(AT91_SMC_MODE(3), mode | AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_TDF_(2));
Andrew Victor86ad76b2006-11-30 16:45:01 +0100337
338 /* enable pin */
339 if (data->enable_pin)
340 at91_set_gpio_output(data->enable_pin, 1);
341
342 /* ready/busy pin */
343 if (data->rdy_pin)
344 at91_set_gpio_input(data->rdy_pin, 1);
345
346 /* card detect pin */
347 if (data->det_pin)
348 at91_set_gpio_input(data->det_pin, 1);
349
350 nand_data = *data;
351 platform_device_register(&at91sam9260_nand_device);
352}
353#else
354void __init at91_add_device_nand(struct at91_nand_data *data) {}
355#endif
356
357
358/* --------------------------------------------------------------------
359 * TWI (i2c)
360 * -------------------------------------------------------------------- */
361
Andrew Victorf230d3f2007-11-19 13:47:20 +0100362/*
363 * Prefer the GPIO code since the TWI controller isn't robust
364 * (gets overruns and underruns under load) and can only issue
365 * repeated STARTs in one scenario (the driver doesn't yet handle them).
366 */
367
368#if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
369
370static struct i2c_gpio_platform_data pdata = {
371 .sda_pin = AT91_PIN_PA23,
372 .sda_is_open_drain = 1,
373 .scl_pin = AT91_PIN_PA24,
374 .scl_is_open_drain = 1,
375 .udelay = 2, /* ~100 kHz */
376};
377
378static struct platform_device at91sam9260_twi_device = {
379 .name = "i2c-gpio",
380 .id = -1,
381 .dev.platform_data = &pdata,
382};
383
384void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices)
385{
386 at91_set_GPIO_periph(AT91_PIN_PA23, 1); /* TWD (SDA) */
387 at91_set_multi_drive(AT91_PIN_PA23, 1);
388
389 at91_set_GPIO_periph(AT91_PIN_PA24, 1); /* TWCK (SCL) */
390 at91_set_multi_drive(AT91_PIN_PA24, 1);
391
392 i2c_register_board_info(0, devices, nr_devices);
393 platform_device_register(&at91sam9260_twi_device);
394}
395
396#elif defined(CONFIG_I2C_AT91) || defined(CONFIG_I2C_AT91_MODULE)
Andrew Victor86ad76b2006-11-30 16:45:01 +0100397
398static struct resource twi_resources[] = {
399 [0] = {
400 .start = AT91SAM9260_BASE_TWI,
401 .end = AT91SAM9260_BASE_TWI + SZ_16K - 1,
402 .flags = IORESOURCE_MEM,
403 },
404 [1] = {
405 .start = AT91SAM9260_ID_TWI,
406 .end = AT91SAM9260_ID_TWI,
407 .flags = IORESOURCE_IRQ,
408 },
409};
410
411static struct platform_device at91sam9260_twi_device = {
412 .name = "at91_i2c",
413 .id = -1,
414 .resource = twi_resources,
415 .num_resources = ARRAY_SIZE(twi_resources),
416};
417
Andrew Victorf230d3f2007-11-19 13:47:20 +0100418void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices)
Andrew Victor86ad76b2006-11-30 16:45:01 +0100419{
420 /* pins used for TWI interface */
421 at91_set_A_periph(AT91_PIN_PA23, 0); /* TWD */
422 at91_set_multi_drive(AT91_PIN_PA23, 1);
423
424 at91_set_A_periph(AT91_PIN_PA24, 0); /* TWCK */
425 at91_set_multi_drive(AT91_PIN_PA24, 1);
426
Andrew Victorf230d3f2007-11-19 13:47:20 +0100427 i2c_register_board_info(0, devices, nr_devices);
Andrew Victor86ad76b2006-11-30 16:45:01 +0100428 platform_device_register(&at91sam9260_twi_device);
429}
430#else
Andrew Victorf230d3f2007-11-19 13:47:20 +0100431void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices) {}
Andrew Victor86ad76b2006-11-30 16:45:01 +0100432#endif
433
434
435/* --------------------------------------------------------------------
436 * SPI
437 * -------------------------------------------------------------------- */
438
439#if defined(CONFIG_SPI_ATMEL) || defined(CONFIG_SPI_ATMEL_MODULE)
Andrew Victorc6686ff2008-01-23 09:13:53 +0100440static u64 spi_dmamask = DMA_BIT_MASK(32);
Andrew Victor86ad76b2006-11-30 16:45:01 +0100441
442static struct resource spi0_resources[] = {
443 [0] = {
444 .start = AT91SAM9260_BASE_SPI0,
445 .end = AT91SAM9260_BASE_SPI0 + SZ_16K - 1,
446 .flags = IORESOURCE_MEM,
447 },
448 [1] = {
449 .start = AT91SAM9260_ID_SPI0,
450 .end = AT91SAM9260_ID_SPI0,
451 .flags = IORESOURCE_IRQ,
452 },
453};
454
455static struct platform_device at91sam9260_spi0_device = {
456 .name = "atmel_spi",
457 .id = 0,
458 .dev = {
459 .dma_mask = &spi_dmamask,
Andrew Victorc6686ff2008-01-23 09:13:53 +0100460 .coherent_dma_mask = DMA_BIT_MASK(32),
Andrew Victor86ad76b2006-11-30 16:45:01 +0100461 },
462 .resource = spi0_resources,
463 .num_resources = ARRAY_SIZE(spi0_resources),
464};
465
466static const unsigned spi0_standard_cs[4] = { AT91_PIN_PA3, AT91_PIN_PC11, AT91_PIN_PC16, AT91_PIN_PC17 };
467
468static struct resource spi1_resources[] = {
469 [0] = {
470 .start = AT91SAM9260_BASE_SPI1,
471 .end = AT91SAM9260_BASE_SPI1 + SZ_16K - 1,
472 .flags = IORESOURCE_MEM,
473 },
474 [1] = {
475 .start = AT91SAM9260_ID_SPI1,
476 .end = AT91SAM9260_ID_SPI1,
477 .flags = IORESOURCE_IRQ,
478 },
479};
480
481static struct platform_device at91sam9260_spi1_device = {
482 .name = "atmel_spi",
483 .id = 1,
484 .dev = {
485 .dma_mask = &spi_dmamask,
Andrew Victorc6686ff2008-01-23 09:13:53 +0100486 .coherent_dma_mask = DMA_BIT_MASK(32),
Andrew Victor86ad76b2006-11-30 16:45:01 +0100487 },
488 .resource = spi1_resources,
489 .num_resources = ARRAY_SIZE(spi1_resources),
490};
491
492static const unsigned spi1_standard_cs[4] = { AT91_PIN_PB3, AT91_PIN_PC5, AT91_PIN_PC4, AT91_PIN_PC3 };
493
494void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices)
495{
496 int i;
497 unsigned long cs_pin;
498 short enable_spi0 = 0;
499 short enable_spi1 = 0;
500
501 /* Choose SPI chip-selects */
502 for (i = 0; i < nr_devices; i++) {
503 if (devices[i].controller_data)
504 cs_pin = (unsigned long) devices[i].controller_data;
505 else if (devices[i].bus_num == 0)
506 cs_pin = spi0_standard_cs[devices[i].chip_select];
507 else
508 cs_pin = spi1_standard_cs[devices[i].chip_select];
509
510 if (devices[i].bus_num == 0)
511 enable_spi0 = 1;
512 else
513 enable_spi1 = 1;
514
515 /* enable chip-select pin */
516 at91_set_gpio_output(cs_pin, 1);
517
518 /* pass chip-select pin to driver */
519 devices[i].controller_data = (void *) cs_pin;
520 }
521
522 spi_register_board_info(devices, nr_devices);
523
524 /* Configure SPI bus(es) */
525 if (enable_spi0) {
526 at91_set_A_periph(AT91_PIN_PA0, 0); /* SPI0_MISO */
527 at91_set_A_periph(AT91_PIN_PA1, 0); /* SPI0_MOSI */
528 at91_set_A_periph(AT91_PIN_PA2, 0); /* SPI1_SPCK */
529
530 at91_clock_associate("spi0_clk", &at91sam9260_spi0_device.dev, "spi_clk");
531 platform_device_register(&at91sam9260_spi0_device);
532 }
533 if (enable_spi1) {
534 at91_set_A_periph(AT91_PIN_PB0, 0); /* SPI1_MISO */
535 at91_set_A_periph(AT91_PIN_PB1, 0); /* SPI1_MOSI */
536 at91_set_A_periph(AT91_PIN_PB2, 0); /* SPI1_SPCK */
537
538 at91_clock_associate("spi1_clk", &at91sam9260_spi1_device.dev, "spi_clk");
539 platform_device_register(&at91sam9260_spi1_device);
540 }
541}
542#else
543void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices) {}
544#endif
545
546
547/* --------------------------------------------------------------------
Andrew Victor884f5a62008-01-23 09:11:13 +0100548 * RTT
549 * -------------------------------------------------------------------- */
550
551static struct resource rtt_resources[] = {
552 {
553 .start = AT91_BASE_SYS + AT91_RTT,
554 .end = AT91_BASE_SYS + AT91_RTT + SZ_16 - 1,
555 .flags = IORESOURCE_MEM,
556 }
557};
558
559static struct platform_device at91sam9260_rtt_device = {
560 .name = "at91_rtt",
Andrew Victor4fd92122008-04-02 21:55:19 +0100561 .id = 0,
Andrew Victor884f5a62008-01-23 09:11:13 +0100562 .resource = rtt_resources,
563 .num_resources = ARRAY_SIZE(rtt_resources),
564};
565
566static void __init at91_add_device_rtt(void)
567{
568 platform_device_register(&at91sam9260_rtt_device);
569}
570
571
572/* --------------------------------------------------------------------
573 * Watchdog
574 * -------------------------------------------------------------------- */
575
576#if defined(CONFIG_AT91SAM9_WATCHDOG) || defined(CONFIG_AT91SAM9_WATCHDOG_MODULE)
577static struct platform_device at91sam9260_wdt_device = {
578 .name = "at91_wdt",
579 .id = -1,
580 .num_resources = 0,
581};
582
583static void __init at91_add_device_watchdog(void)
584{
585 platform_device_register(&at91sam9260_wdt_device);
586}
587#else
588static void __init at91_add_device_watchdog(void) {}
589#endif
590
591
592/* --------------------------------------------------------------------
Andrew Victorbfbc3262008-01-23 09:18:06 +0100593 * SSC -- Synchronous Serial Controller
594 * -------------------------------------------------------------------- */
595
596#if defined(CONFIG_ATMEL_SSC) || defined(CONFIG_ATMEL_SSC_MODULE)
597static u64 ssc_dmamask = DMA_BIT_MASK(32);
598
599static struct resource ssc_resources[] = {
600 [0] = {
601 .start = AT91SAM9260_BASE_SSC,
602 .end = AT91SAM9260_BASE_SSC + SZ_16K - 1,
603 .flags = IORESOURCE_MEM,
604 },
605 [1] = {
606 .start = AT91SAM9260_ID_SSC,
607 .end = AT91SAM9260_ID_SSC,
608 .flags = IORESOURCE_IRQ,
609 },
610};
611
612static struct platform_device at91sam9260_ssc_device = {
613 .name = "ssc",
614 .id = 0,
615 .dev = {
616 .dma_mask = &ssc_dmamask,
617 .coherent_dma_mask = DMA_BIT_MASK(32),
618 },
619 .resource = ssc_resources,
620 .num_resources = ARRAY_SIZE(ssc_resources),
621};
622
623static inline void configure_ssc_pins(unsigned pins)
624{
625 if (pins & ATMEL_SSC_TF)
626 at91_set_A_periph(AT91_PIN_PB17, 1);
627 if (pins & ATMEL_SSC_TK)
628 at91_set_A_periph(AT91_PIN_PB16, 1);
629 if (pins & ATMEL_SSC_TD)
630 at91_set_A_periph(AT91_PIN_PB18, 1);
631 if (pins & ATMEL_SSC_RD)
632 at91_set_A_periph(AT91_PIN_PB19, 1);
633 if (pins & ATMEL_SSC_RK)
634 at91_set_A_periph(AT91_PIN_PB20, 1);
635 if (pins & ATMEL_SSC_RF)
636 at91_set_A_periph(AT91_PIN_PB21, 1);
637}
638
639/*
640 * SSC controllers are accessed through library code, instead of any
641 * kind of all-singing/all-dancing driver. For example one could be
642 * used by a particular I2S audio codec's driver, while another one
643 * on the same system might be used by a custom data capture driver.
644 */
645void __init at91_add_device_ssc(unsigned id, unsigned pins)
646{
647 struct platform_device *pdev;
648
649 /*
650 * NOTE: caller is responsible for passing information matching
651 * "pins" to whatever will be using each particular controller.
652 */
653 switch (id) {
654 case AT91SAM9260_ID_SSC:
655 pdev = &at91sam9260_ssc_device;
656 configure_ssc_pins(pins);
657 at91_clock_associate("ssc_clk", &pdev->dev, "pclk");
658 break;
659 default:
660 return;
661 }
662
663 platform_device_register(pdev);
664}
665
666#else
667void __init at91_add_device_ssc(unsigned id, unsigned pins) {}
668#endif
669
670
671/* --------------------------------------------------------------------
Andrew Victor86ad76b2006-11-30 16:45:01 +0100672 * UART
673 * -------------------------------------------------------------------- */
674#if defined(CONFIG_SERIAL_ATMEL)
675static struct resource dbgu_resources[] = {
676 [0] = {
677 .start = AT91_VA_BASE_SYS + AT91_DBGU,
678 .end = AT91_VA_BASE_SYS + AT91_DBGU + SZ_512 - 1,
679 .flags = IORESOURCE_MEM,
680 },
681 [1] = {
682 .start = AT91_ID_SYS,
683 .end = AT91_ID_SYS,
684 .flags = IORESOURCE_IRQ,
685 },
686};
687
688static struct atmel_uart_data dbgu_data = {
689 .use_dma_tx = 0,
690 .use_dma_rx = 0, /* DBGU not capable of receive DMA */
691 .regs = (void __iomem *)(AT91_VA_BASE_SYS + AT91_DBGU),
692};
693
Andrew Victorc6686ff2008-01-23 09:13:53 +0100694static u64 dbgu_dmamask = DMA_BIT_MASK(32);
695
Andrew Victor86ad76b2006-11-30 16:45:01 +0100696static struct platform_device at91sam9260_dbgu_device = {
697 .name = "atmel_usart",
698 .id = 0,
699 .dev = {
Andrew Victorc6686ff2008-01-23 09:13:53 +0100700 .dma_mask = &dbgu_dmamask,
701 .coherent_dma_mask = DMA_BIT_MASK(32),
702 .platform_data = &dbgu_data,
Andrew Victor86ad76b2006-11-30 16:45:01 +0100703 },
704 .resource = dbgu_resources,
705 .num_resources = ARRAY_SIZE(dbgu_resources),
706};
707
708static inline void configure_dbgu_pins(void)
709{
710 at91_set_A_periph(AT91_PIN_PB14, 0); /* DRXD */
711 at91_set_A_periph(AT91_PIN_PB15, 1); /* DTXD */
712}
713
714static struct resource uart0_resources[] = {
715 [0] = {
716 .start = AT91SAM9260_BASE_US0,
717 .end = AT91SAM9260_BASE_US0 + SZ_16K - 1,
718 .flags = IORESOURCE_MEM,
719 },
720 [1] = {
721 .start = AT91SAM9260_ID_US0,
722 .end = AT91SAM9260_ID_US0,
723 .flags = IORESOURCE_IRQ,
724 },
725};
726
727static struct atmel_uart_data uart0_data = {
728 .use_dma_tx = 1,
729 .use_dma_rx = 1,
730};
731
Andrew Victorc6686ff2008-01-23 09:13:53 +0100732static u64 uart0_dmamask = DMA_BIT_MASK(32);
733
Andrew Victor86ad76b2006-11-30 16:45:01 +0100734static struct platform_device at91sam9260_uart0_device = {
735 .name = "atmel_usart",
736 .id = 1,
737 .dev = {
Andrew Victorc6686ff2008-01-23 09:13:53 +0100738 .dma_mask = &uart0_dmamask,
739 .coherent_dma_mask = DMA_BIT_MASK(32),
740 .platform_data = &uart0_data,
Andrew Victor86ad76b2006-11-30 16:45:01 +0100741 },
742 .resource = uart0_resources,
743 .num_resources = ARRAY_SIZE(uart0_resources),
744};
745
Andrew Victorc8f385a2008-01-23 09:25:15 +0100746static inline void configure_usart0_pins(unsigned pins)
Andrew Victor86ad76b2006-11-30 16:45:01 +0100747{
748 at91_set_A_periph(AT91_PIN_PB4, 1); /* TXD0 */
749 at91_set_A_periph(AT91_PIN_PB5, 0); /* RXD0 */
Andrew Victorc8f385a2008-01-23 09:25:15 +0100750
751 if (pins & ATMEL_UART_RTS)
752 at91_set_A_periph(AT91_PIN_PB26, 0); /* RTS0 */
753 if (pins & ATMEL_UART_CTS)
754 at91_set_A_periph(AT91_PIN_PB27, 0); /* CTS0 */
755 if (pins & ATMEL_UART_DTR)
756 at91_set_A_periph(AT91_PIN_PB24, 0); /* DTR0 */
757 if (pins & ATMEL_UART_DSR)
758 at91_set_A_periph(AT91_PIN_PB22, 0); /* DSR0 */
759 if (pins & ATMEL_UART_DCD)
760 at91_set_A_periph(AT91_PIN_PB23, 0); /* DCD0 */
761 if (pins & ATMEL_UART_RI)
762 at91_set_A_periph(AT91_PIN_PB25, 0); /* RI0 */
Andrew Victor86ad76b2006-11-30 16:45:01 +0100763}
764
765static struct resource uart1_resources[] = {
766 [0] = {
767 .start = AT91SAM9260_BASE_US1,
768 .end = AT91SAM9260_BASE_US1 + SZ_16K - 1,
769 .flags = IORESOURCE_MEM,
770 },
771 [1] = {
772 .start = AT91SAM9260_ID_US1,
773 .end = AT91SAM9260_ID_US1,
774 .flags = IORESOURCE_IRQ,
775 },
776};
777
778static struct atmel_uart_data uart1_data = {
779 .use_dma_tx = 1,
780 .use_dma_rx = 1,
781};
782
Andrew Victorc6686ff2008-01-23 09:13:53 +0100783static u64 uart1_dmamask = DMA_BIT_MASK(32);
784
Andrew Victor86ad76b2006-11-30 16:45:01 +0100785static struct platform_device at91sam9260_uart1_device = {
786 .name = "atmel_usart",
787 .id = 2,
788 .dev = {
Andrew Victorc6686ff2008-01-23 09:13:53 +0100789 .dma_mask = &uart1_dmamask,
790 .coherent_dma_mask = DMA_BIT_MASK(32),
791 .platform_data = &uart1_data,
Andrew Victor86ad76b2006-11-30 16:45:01 +0100792 },
793 .resource = uart1_resources,
794 .num_resources = ARRAY_SIZE(uart1_resources),
795};
796
Andrew Victorc8f385a2008-01-23 09:25:15 +0100797static inline void configure_usart1_pins(unsigned pins)
Andrew Victor86ad76b2006-11-30 16:45:01 +0100798{
799 at91_set_A_periph(AT91_PIN_PB6, 1); /* TXD1 */
800 at91_set_A_periph(AT91_PIN_PB7, 0); /* RXD1 */
Andrew Victorc8f385a2008-01-23 09:25:15 +0100801
802 if (pins & ATMEL_UART_RTS)
803 at91_set_A_periph(AT91_PIN_PB28, 0); /* RTS1 */
804 if (pins & ATMEL_UART_CTS)
805 at91_set_A_periph(AT91_PIN_PB29, 0); /* CTS1 */
Andrew Victor86ad76b2006-11-30 16:45:01 +0100806}
807
808static struct resource uart2_resources[] = {
809 [0] = {
810 .start = AT91SAM9260_BASE_US2,
811 .end = AT91SAM9260_BASE_US2 + SZ_16K - 1,
812 .flags = IORESOURCE_MEM,
813 },
814 [1] = {
815 .start = AT91SAM9260_ID_US2,
816 .end = AT91SAM9260_ID_US2,
817 .flags = IORESOURCE_IRQ,
818 },
819};
820
821static struct atmel_uart_data uart2_data = {
822 .use_dma_tx = 1,
823 .use_dma_rx = 1,
824};
825
Andrew Victorc6686ff2008-01-23 09:13:53 +0100826static u64 uart2_dmamask = DMA_BIT_MASK(32);
827
Andrew Victor86ad76b2006-11-30 16:45:01 +0100828static struct platform_device at91sam9260_uart2_device = {
829 .name = "atmel_usart",
830 .id = 3,
831 .dev = {
Andrew Victorc6686ff2008-01-23 09:13:53 +0100832 .dma_mask = &uart2_dmamask,
833 .coherent_dma_mask = DMA_BIT_MASK(32),
834 .platform_data = &uart2_data,
Andrew Victor86ad76b2006-11-30 16:45:01 +0100835 },
836 .resource = uart2_resources,
837 .num_resources = ARRAY_SIZE(uart2_resources),
838};
839
Andrew Victorc8f385a2008-01-23 09:25:15 +0100840static inline void configure_usart2_pins(unsigned pins)
Andrew Victor86ad76b2006-11-30 16:45:01 +0100841{
842 at91_set_A_periph(AT91_PIN_PB8, 1); /* TXD2 */
843 at91_set_A_periph(AT91_PIN_PB9, 0); /* RXD2 */
Andrew Victorc8f385a2008-01-23 09:25:15 +0100844
845 if (pins & ATMEL_UART_RTS)
846 at91_set_A_periph(AT91_PIN_PA4, 0); /* RTS2 */
847 if (pins & ATMEL_UART_CTS)
848 at91_set_A_periph(AT91_PIN_PA5, 0); /* CTS2 */
Andrew Victor86ad76b2006-11-30 16:45:01 +0100849}
850
851static struct resource uart3_resources[] = {
852 [0] = {
853 .start = AT91SAM9260_BASE_US3,
854 .end = AT91SAM9260_BASE_US3 + SZ_16K - 1,
855 .flags = IORESOURCE_MEM,
856 },
857 [1] = {
858 .start = AT91SAM9260_ID_US3,
859 .end = AT91SAM9260_ID_US3,
860 .flags = IORESOURCE_IRQ,
861 },
862};
863
864static struct atmel_uart_data uart3_data = {
865 .use_dma_tx = 1,
866 .use_dma_rx = 1,
867};
868
Andrew Victorc6686ff2008-01-23 09:13:53 +0100869static u64 uart3_dmamask = DMA_BIT_MASK(32);
870
Andrew Victor86ad76b2006-11-30 16:45:01 +0100871static struct platform_device at91sam9260_uart3_device = {
872 .name = "atmel_usart",
873 .id = 4,
874 .dev = {
Andrew Victorc6686ff2008-01-23 09:13:53 +0100875 .dma_mask = &uart3_dmamask,
876 .coherent_dma_mask = DMA_BIT_MASK(32),
877 .platform_data = &uart3_data,
Andrew Victor86ad76b2006-11-30 16:45:01 +0100878 },
879 .resource = uart3_resources,
880 .num_resources = ARRAY_SIZE(uart3_resources),
881};
882
Andrew Victorc8f385a2008-01-23 09:25:15 +0100883static inline void configure_usart3_pins(unsigned pins)
Andrew Victor86ad76b2006-11-30 16:45:01 +0100884{
885 at91_set_A_periph(AT91_PIN_PB10, 1); /* TXD3 */
886 at91_set_A_periph(AT91_PIN_PB11, 0); /* RXD3 */
Andrew Victorc8f385a2008-01-23 09:25:15 +0100887
888 if (pins & ATMEL_UART_RTS)
889 at91_set_B_periph(AT91_PIN_PC8, 0); /* RTS3 */
890 if (pins & ATMEL_UART_CTS)
891 at91_set_B_periph(AT91_PIN_PC10, 0); /* CTS3 */
Andrew Victor86ad76b2006-11-30 16:45:01 +0100892}
893
894static struct resource uart4_resources[] = {
895 [0] = {
896 .start = AT91SAM9260_BASE_US4,
897 .end = AT91SAM9260_BASE_US4 + SZ_16K - 1,
898 .flags = IORESOURCE_MEM,
899 },
900 [1] = {
901 .start = AT91SAM9260_ID_US4,
902 .end = AT91SAM9260_ID_US4,
903 .flags = IORESOURCE_IRQ,
904 },
905};
906
907static struct atmel_uart_data uart4_data = {
908 .use_dma_tx = 1,
909 .use_dma_rx = 1,
910};
911
Andrew Victorc6686ff2008-01-23 09:13:53 +0100912static u64 uart4_dmamask = DMA_BIT_MASK(32);
913
Andrew Victor86ad76b2006-11-30 16:45:01 +0100914static struct platform_device at91sam9260_uart4_device = {
915 .name = "atmel_usart",
916 .id = 5,
917 .dev = {
Andrew Victorc6686ff2008-01-23 09:13:53 +0100918 .dma_mask = &uart4_dmamask,
919 .coherent_dma_mask = DMA_BIT_MASK(32),
920 .platform_data = &uart4_data,
Andrew Victor86ad76b2006-11-30 16:45:01 +0100921 },
922 .resource = uart4_resources,
923 .num_resources = ARRAY_SIZE(uart4_resources),
924};
925
926static inline void configure_usart4_pins(void)
927{
928 at91_set_B_periph(AT91_PIN_PA31, 1); /* TXD4 */
929 at91_set_B_periph(AT91_PIN_PA30, 0); /* RXD4 */
930}
931
932static struct resource uart5_resources[] = {
933 [0] = {
934 .start = AT91SAM9260_BASE_US5,
935 .end = AT91SAM9260_BASE_US5 + SZ_16K - 1,
936 .flags = IORESOURCE_MEM,
937 },
938 [1] = {
939 .start = AT91SAM9260_ID_US5,
940 .end = AT91SAM9260_ID_US5,
941 .flags = IORESOURCE_IRQ,
942 },
943};
944
945static struct atmel_uart_data uart5_data = {
946 .use_dma_tx = 1,
947 .use_dma_rx = 1,
948};
949
Andrew Victorc6686ff2008-01-23 09:13:53 +0100950static u64 uart5_dmamask = DMA_BIT_MASK(32);
951
Andrew Victor86ad76b2006-11-30 16:45:01 +0100952static struct platform_device at91sam9260_uart5_device = {
953 .name = "atmel_usart",
954 .id = 6,
955 .dev = {
Andrew Victorc6686ff2008-01-23 09:13:53 +0100956 .dma_mask = &uart5_dmamask,
957 .coherent_dma_mask = DMA_BIT_MASK(32),
958 .platform_data = &uart5_data,
Andrew Victor86ad76b2006-11-30 16:45:01 +0100959 },
960 .resource = uart5_resources,
961 .num_resources = ARRAY_SIZE(uart5_resources),
962};
963
964static inline void configure_usart5_pins(void)
965{
966 at91_set_A_periph(AT91_PIN_PB12, 1); /* TXD5 */
967 at91_set_A_periph(AT91_PIN_PB13, 0); /* RXD5 */
968}
969
Andrew Victorc6686ff2008-01-23 09:13:53 +0100970static struct platform_device *at91_uarts[ATMEL_MAX_UART]; /* the UARTs to use */
Andrew Victor86ad76b2006-11-30 16:45:01 +0100971struct platform_device *atmel_default_console_device; /* the serial console device */
972
Andrew Victorc8f385a2008-01-23 09:25:15 +0100973void __init __deprecated at91_init_serial(struct at91_uart_config *config)
Andrew Victor86ad76b2006-11-30 16:45:01 +0100974{
975 int i;
976
977 /* Fill in list of supported UARTs */
978 for (i = 0; i < config->nr_tty; i++) {
979 switch (config->tty_map[i]) {
980 case 0:
Andrew Victorc8f385a2008-01-23 09:25:15 +0100981 configure_usart0_pins(ATMEL_UART_CTS | ATMEL_UART_RTS | ATMEL_UART_DSR | ATMEL_UART_DTR | ATMEL_UART_DCD | ATMEL_UART_RI);
Andrew Victor86ad76b2006-11-30 16:45:01 +0100982 at91_uarts[i] = &at91sam9260_uart0_device;
983 at91_clock_associate("usart0_clk", &at91sam9260_uart0_device.dev, "usart");
984 break;
985 case 1:
Andrew Victorc8f385a2008-01-23 09:25:15 +0100986 configure_usart1_pins(ATMEL_UART_CTS | ATMEL_UART_RTS);
Andrew Victor86ad76b2006-11-30 16:45:01 +0100987 at91_uarts[i] = &at91sam9260_uart1_device;
988 at91_clock_associate("usart1_clk", &at91sam9260_uart1_device.dev, "usart");
989 break;
990 case 2:
Andrew Victorc8f385a2008-01-23 09:25:15 +0100991 configure_usart2_pins(0);
Andrew Victor86ad76b2006-11-30 16:45:01 +0100992 at91_uarts[i] = &at91sam9260_uart2_device;
993 at91_clock_associate("usart2_clk", &at91sam9260_uart2_device.dev, "usart");
994 break;
995 case 3:
Andrew Victorc8f385a2008-01-23 09:25:15 +0100996 configure_usart3_pins(0);
Andrew Victor86ad76b2006-11-30 16:45:01 +0100997 at91_uarts[i] = &at91sam9260_uart3_device;
998 at91_clock_associate("usart3_clk", &at91sam9260_uart3_device.dev, "usart");
999 break;
1000 case 4:
1001 configure_usart4_pins();
1002 at91_uarts[i] = &at91sam9260_uart4_device;
1003 at91_clock_associate("usart4_clk", &at91sam9260_uart4_device.dev, "usart");
1004 break;
1005 case 5:
1006 configure_usart5_pins();
1007 at91_uarts[i] = &at91sam9260_uart5_device;
1008 at91_clock_associate("usart5_clk", &at91sam9260_uart5_device.dev, "usart");
1009 break;
1010 case 6:
1011 configure_dbgu_pins();
1012 at91_uarts[i] = &at91sam9260_dbgu_device;
1013 at91_clock_associate("mck", &at91sam9260_dbgu_device.dev, "usart");
1014 break;
1015 default:
1016 continue;
1017 }
1018 at91_uarts[i]->id = i; /* update ID number to mapped ID */
1019 }
1020
1021 /* Set serial console device */
1022 if (config->console_tty < ATMEL_MAX_UART)
1023 atmel_default_console_device = at91_uarts[config->console_tty];
1024 if (!atmel_default_console_device)
1025 printk(KERN_INFO "AT91: No default serial console defined.\n");
1026}
1027
Andrew Victorc8f385a2008-01-23 09:25:15 +01001028void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins)
1029{
1030 struct platform_device *pdev;
1031
1032 switch (id) {
1033 case 0: /* DBGU */
1034 pdev = &at91sam9260_dbgu_device;
1035 configure_dbgu_pins();
1036 at91_clock_associate("mck", &pdev->dev, "usart");
1037 break;
1038 case AT91SAM9260_ID_US0:
1039 pdev = &at91sam9260_uart0_device;
1040 configure_usart0_pins(pins);
1041 at91_clock_associate("usart0_clk", &pdev->dev, "usart");
1042 break;
1043 case AT91SAM9260_ID_US1:
1044 pdev = &at91sam9260_uart1_device;
1045 configure_usart1_pins(pins);
1046 at91_clock_associate("usart1_clk", &pdev->dev, "usart");
1047 break;
1048 case AT91SAM9260_ID_US2:
1049 pdev = &at91sam9260_uart2_device;
1050 configure_usart2_pins(pins);
1051 at91_clock_associate("usart2_clk", &pdev->dev, "usart");
1052 break;
1053 case AT91SAM9260_ID_US3:
1054 pdev = &at91sam9260_uart3_device;
1055 configure_usart3_pins(pins);
1056 at91_clock_associate("usart3_clk", &pdev->dev, "usart");
1057 break;
1058 case AT91SAM9260_ID_US4:
1059 pdev = &at91sam9260_uart4_device;
1060 configure_usart4_pins();
1061 at91_clock_associate("usart4_clk", &pdev->dev, "usart");
1062 break;
1063 case AT91SAM9260_ID_US5:
1064 pdev = &at91sam9260_uart5_device;
1065 configure_usart5_pins();
1066 at91_clock_associate("usart5_clk", &pdev->dev, "usart");
1067 break;
1068 default:
1069 return;
1070 }
1071 pdev->id = portnr; /* update to mapped ID */
1072
1073 if (portnr < ATMEL_MAX_UART)
1074 at91_uarts[portnr] = pdev;
1075}
1076
1077void __init at91_set_serial_console(unsigned portnr)
1078{
1079 if (portnr < ATMEL_MAX_UART)
1080 atmel_default_console_device = at91_uarts[portnr];
1081 if (!atmel_default_console_device)
1082 printk(KERN_INFO "AT91: No default serial console defined.\n");
1083}
1084
Andrew Victor86ad76b2006-11-30 16:45:01 +01001085void __init at91_add_device_serial(void)
1086{
1087 int i;
1088
1089 for (i = 0; i < ATMEL_MAX_UART; i++) {
1090 if (at91_uarts[i])
1091 platform_device_register(at91_uarts[i]);
1092 }
1093}
1094#else
Andrew Victorc8f385a2008-01-23 09:25:15 +01001095void __init __deprecated at91_init_serial(struct at91_uart_config *config) {}
1096void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins) {}
1097void __init at91_set_serial_console(unsigned portnr) {}
Andrew Victor86ad76b2006-11-30 16:45:01 +01001098void __init at91_add_device_serial(void) {}
1099#endif
1100
1101
1102/* -------------------------------------------------------------------- */
1103/*
1104 * These devices are always present and don't need any board-specific
1105 * setup.
1106 */
1107static int __init at91_add_standard_devices(void)
1108{
Andrew Victor884f5a62008-01-23 09:11:13 +01001109 at91_add_device_rtt();
1110 at91_add_device_watchdog();
Andrew Victor86ad76b2006-11-30 16:45:01 +01001111 return 0;
1112}
1113
1114arch_initcall(at91_add_standard_devices);