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86ad76bb | 1 | /* |
9d041268 | 2 | * arch/arm/mach-at91/at91sam9260_devices.c |
86ad76bb AV |
3 | * |
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 | ||
c6686ff9 | 15 | #include <linux/dma-mapping.h> |
86ad76bb | 16 | #include <linux/platform_device.h> |
f230d3f5 | 17 | #include <linux/i2c-gpio.h> |
86ad76bb AV |
18 | |
19 | #include <asm/arch/board.h> | |
20 | #include <asm/arch/gpio.h> | |
21 | #include <asm/arch/at91sam9260.h> | |
8df12925 | 22 | #include <asm/arch/at91sam9260_matrix.h> |
b78eabde | 23 | #include <asm/arch/at91sam9_smc.h> |
86ad76bb AV |
24 | |
25 | #include "generic.h" | |
26 | ||
86ad76bb AV |
27 | |
28 | /* -------------------------------------------------------------------- | |
29 | * USB Host | |
30 | * -------------------------------------------------------------------- */ | |
31 | ||
32 | #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) | |
c6686ff9 | 33 | static u64 ohci_dmamask = DMA_BIT_MASK(32); |
86ad76bb AV |
34 | static struct at91_usbh_data usbh_data; |
35 | ||
36 | static 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 | ||
49 | static struct platform_device at91_usbh_device = { | |
50 | .name = "at91_ohci", | |
51 | .id = -1, | |
52 | .dev = { | |
53 | .dma_mask = &ohci_dmamask, | |
c6686ff9 | 54 | .coherent_dma_mask = DMA_BIT_MASK(32), |
86ad76bb AV |
55 | .platform_data = &usbh_data, |
56 | }, | |
57 | .resource = usbh_resources, | |
58 | .num_resources = ARRAY_SIZE(usbh_resources), | |
59 | }; | |
60 | ||
61 | void __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 | |
70 | void __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 | |
79 | static struct at91_udc_data udc_data; | |
80 | ||
81 | static 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 | ||
94 | static 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 | ||
104 | void __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 | |
120 | void __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) | |
c6686ff9 | 129 | static u64 eth_dmamask = DMA_BIT_MASK(32); |
a93d48cc | 130 | static struct at91_eth_data eth_data; |
86ad76bb AV |
131 | |
132 | static 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 | ||
145 | static struct platform_device at91sam9260_eth_device = { | |
146 | .name = "macb", | |
147 | .id = -1, | |
148 | .dev = { | |
149 | .dma_mask = ð_dmamask, | |
c6686ff9 | 150 | .coherent_dma_mask = DMA_BIT_MASK(32), |
86ad76bb AV |
151 | .platform_data = ð_data, |
152 | }, | |
153 | .resource = eth_resources, | |
154 | .num_resources = ARRAY_SIZE(eth_resources), | |
155 | }; | |
156 | ||
a93d48cc | 157 | void __init at91_add_device_eth(struct at91_eth_data *data) |
86ad76bb AV |
158 | { |
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 | |
a93d48cc | 194 | void __init at91_add_device_eth(struct at91_eth_data *data) {} |
86ad76bb AV |
195 | #endif |
196 | ||
197 | ||
198 | /* -------------------------------------------------------------------- | |
199 | * MMC / SD | |
200 | * -------------------------------------------------------------------- */ | |
201 | ||
202 | #if defined(CONFIG_MMC_AT91) || defined(CONFIG_MMC_AT91_MODULE) | |
c6686ff9 | 203 | static u64 mmc_dmamask = DMA_BIT_MASK(32); |
86ad76bb AV |
204 | static struct at91_mmc_data mmc_data; |
205 | ||
206 | static 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 | ||
219 | static struct platform_device at91sam9260_mmc_device = { | |
220 | .name = "at91_mci", | |
221 | .id = -1, | |
222 | .dev = { | |
223 | .dma_mask = &mmc_dmamask, | |
c6686ff9 | 224 | .coherent_dma_mask = DMA_BIT_MASK(32), |
86ad76bb AV |
225 | .platform_data = &mmc_data, |
226 | }, | |
227 | .resource = mmc_resources, | |
228 | .num_resources = ARRAY_SIZE(mmc_resources), | |
229 | }; | |
230 | ||
d0760b3b | 231 | void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data) |
86ad76bb AV |
232 | { |
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 | |
d0760b3b | 277 | void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data) {} |
86ad76bb AV |
278 | #endif |
279 | ||
280 | ||
281 | /* -------------------------------------------------------------------- | |
282 | * NAND / SmartMedia | |
283 | * -------------------------------------------------------------------- */ | |
284 | ||
285 | #if defined(CONFIG_MTD_NAND_AT91) || defined(CONFIG_MTD_NAND_AT91_MODULE) | |
3c3796cc | 286 | static struct atmel_nand_data nand_data; |
86ad76bb AV |
287 | |
288 | #define NAND_BASE AT91_CHIPSELECT_3 | |
289 | ||
290 | static struct resource nand_resources[] = { | |
d7a2415f | 291 | [0] = { |
86ad76bb | 292 | .start = NAND_BASE, |
22823558 | 293 | .end = NAND_BASE + SZ_256M - 1, |
86ad76bb | 294 | .flags = IORESOURCE_MEM, |
d7a2415f AV |
295 | }, |
296 | [1] = { | |
297 | .start = AT91_BASE_SYS + AT91_ECC, | |
298 | .end = AT91_BASE_SYS + AT91_ECC + SZ_512 - 1, | |
299 | .flags = IORESOURCE_MEM, | |
86ad76bb AV |
300 | } |
301 | }; | |
302 | ||
303 | static struct platform_device at91sam9260_nand_device = { | |
3c3796cc | 304 | .name = "atmel_nand", |
86ad76bb AV |
305 | .id = -1, |
306 | .dev = { | |
307 | .platform_data = &nand_data, | |
308 | }, | |
309 | .resource = nand_resources, | |
310 | .num_resources = ARRAY_SIZE(nand_resources), | |
311 | }; | |
312 | ||
3c3796cc | 313 | void __init at91_add_device_nand(struct atmel_nand_data *data) |
86ad76bb AV |
314 | { |
315 | unsigned long csa, mode; | |
316 | ||
317 | if (!data) | |
318 | return; | |
319 | ||
320 | csa = at91_sys_read(AT91_MATRIX_EBICSA); | |
22823558 | 321 | at91_sys_write(AT91_MATRIX_EBICSA, csa | AT91_MATRIX_CS3A_SMC_SMARTMEDIA); |
86ad76bb AV |
322 | |
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 | ||
2848e647 AV |
327 | 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)); | |
86ad76bb | 329 | |
2848e647 | 330 | at91_sys_write(AT91_SMC_CYCLE(3), AT91_SMC_NWECYCLE_(5) | AT91_SMC_NRDCYCLE_(5)); |
86ad76bb AV |
331 | |
332 | if (data->bus_width_16) | |
333 | mode = AT91_SMC_DBW_16; | |
334 | else | |
335 | mode = AT91_SMC_DBW_8; | |
2848e647 | 336 | at91_sys_write(AT91_SMC_MODE(3), mode | AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_TDF_(2)); |
86ad76bb AV |
337 | |
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 | |
3c3796cc | 354 | void __init at91_add_device_nand(struct atmel_nand_data *data) {} |
86ad76bb AV |
355 | #endif |
356 | ||
357 | ||
358 | /* -------------------------------------------------------------------- | |
359 | * TWI (i2c) | |
360 | * -------------------------------------------------------------------- */ | |
361 | ||
f230d3f5 AV |
362 | /* |
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 | ||
370 | static 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 | ||
378 | static struct platform_device at91sam9260_twi_device = { | |
379 | .name = "i2c-gpio", | |
380 | .id = -1, | |
381 | .dev.platform_data = &pdata, | |
382 | }; | |
383 | ||
384 | void __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) | |
86ad76bb AV |
397 | |
398 | static 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 | ||
411 | static 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 | ||
f230d3f5 | 418 | void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices) |
86ad76bb AV |
419 | { |
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 | ||
f230d3f5 | 427 | i2c_register_board_info(0, devices, nr_devices); |
86ad76bb AV |
428 | platform_device_register(&at91sam9260_twi_device); |
429 | } | |
430 | #else | |
f230d3f5 | 431 | void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices) {} |
86ad76bb AV |
432 | #endif |
433 | ||
434 | ||
435 | /* -------------------------------------------------------------------- | |
436 | * SPI | |
437 | * -------------------------------------------------------------------- */ | |
438 | ||
439 | #if defined(CONFIG_SPI_ATMEL) || defined(CONFIG_SPI_ATMEL_MODULE) | |
c6686ff9 | 440 | static u64 spi_dmamask = DMA_BIT_MASK(32); |
86ad76bb AV |
441 | |
442 | static 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 | ||
455 | static struct platform_device at91sam9260_spi0_device = { | |
456 | .name = "atmel_spi", | |
457 | .id = 0, | |
458 | .dev = { | |
459 | .dma_mask = &spi_dmamask, | |
c6686ff9 | 460 | .coherent_dma_mask = DMA_BIT_MASK(32), |
86ad76bb AV |
461 | }, |
462 | .resource = spi0_resources, | |
463 | .num_resources = ARRAY_SIZE(spi0_resources), | |
464 | }; | |
465 | ||
466 | static const unsigned spi0_standard_cs[4] = { AT91_PIN_PA3, AT91_PIN_PC11, AT91_PIN_PC16, AT91_PIN_PC17 }; | |
467 | ||
468 | static 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 | ||
481 | static struct platform_device at91sam9260_spi1_device = { | |
482 | .name = "atmel_spi", | |
483 | .id = 1, | |
484 | .dev = { | |
485 | .dma_mask = &spi_dmamask, | |
c6686ff9 | 486 | .coherent_dma_mask = DMA_BIT_MASK(32), |
86ad76bb AV |
487 | }, |
488 | .resource = spi1_resources, | |
489 | .num_resources = ARRAY_SIZE(spi1_resources), | |
490 | }; | |
491 | ||
492 | static const unsigned spi1_standard_cs[4] = { AT91_PIN_PB3, AT91_PIN_PC5, AT91_PIN_PC4, AT91_PIN_PC3 }; | |
493 | ||
494 | void __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 | |
543 | void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices) {} | |
544 | #endif | |
545 | ||
546 | ||
e5f40bfa AV |
547 | /* -------------------------------------------------------------------- |
548 | * Timer/Counter blocks | |
549 | * -------------------------------------------------------------------- */ | |
550 | ||
551 | #ifdef CONFIG_ATMEL_TCLIB | |
552 | ||
553 | static struct resource tcb0_resources[] = { | |
554 | [0] = { | |
555 | .start = AT91SAM9260_BASE_TCB0, | |
556 | .end = AT91SAM9260_BASE_TCB0 + SZ_16K - 1, | |
557 | .flags = IORESOURCE_MEM, | |
558 | }, | |
559 | [1] = { | |
560 | .start = AT91SAM9260_ID_TC0, | |
561 | .end = AT91SAM9260_ID_TC0, | |
562 | .flags = IORESOURCE_IRQ, | |
563 | }, | |
564 | [2] = { | |
565 | .start = AT91SAM9260_ID_TC1, | |
566 | .end = AT91SAM9260_ID_TC1, | |
567 | .flags = IORESOURCE_IRQ, | |
568 | }, | |
569 | [3] = { | |
570 | .start = AT91SAM9260_ID_TC2, | |
571 | .end = AT91SAM9260_ID_TC2, | |
572 | .flags = IORESOURCE_IRQ, | |
573 | }, | |
574 | }; | |
575 | ||
576 | static struct platform_device at91sam9260_tcb0_device = { | |
577 | .name = "atmel_tcb", | |
578 | .id = 0, | |
579 | .resource = tcb0_resources, | |
580 | .num_resources = ARRAY_SIZE(tcb0_resources), | |
581 | }; | |
582 | ||
583 | static struct resource tcb1_resources[] = { | |
584 | [0] = { | |
585 | .start = AT91SAM9260_BASE_TCB1, | |
586 | .end = AT91SAM9260_BASE_TCB1 + SZ_16K - 1, | |
587 | .flags = IORESOURCE_MEM, | |
588 | }, | |
589 | [1] = { | |
590 | .start = AT91SAM9260_ID_TC3, | |
591 | .end = AT91SAM9260_ID_TC3, | |
592 | .flags = IORESOURCE_IRQ, | |
593 | }, | |
594 | [2] = { | |
595 | .start = AT91SAM9260_ID_TC4, | |
596 | .end = AT91SAM9260_ID_TC4, | |
597 | .flags = IORESOURCE_IRQ, | |
598 | }, | |
599 | [3] = { | |
600 | .start = AT91SAM9260_ID_TC5, | |
601 | .end = AT91SAM9260_ID_TC5, | |
602 | .flags = IORESOURCE_IRQ, | |
603 | }, | |
604 | }; | |
605 | ||
606 | static struct platform_device at91sam9260_tcb1_device = { | |
607 | .name = "atmel_tcb", | |
608 | .id = 1, | |
609 | .resource = tcb1_resources, | |
610 | .num_resources = ARRAY_SIZE(tcb1_resources), | |
611 | }; | |
612 | ||
613 | static void __init at91_add_device_tc(void) | |
614 | { | |
615 | /* this chip has a separate clock and irq for each TC channel */ | |
616 | at91_clock_associate("tc0_clk", &at91sam9260_tcb0_device.dev, "t0_clk"); | |
617 | at91_clock_associate("tc1_clk", &at91sam9260_tcb0_device.dev, "t1_clk"); | |
618 | at91_clock_associate("tc2_clk", &at91sam9260_tcb0_device.dev, "t2_clk"); | |
619 | platform_device_register(&at91sam9260_tcb0_device); | |
620 | ||
621 | at91_clock_associate("tc3_clk", &at91sam9260_tcb1_device.dev, "t0_clk"); | |
622 | at91_clock_associate("tc4_clk", &at91sam9260_tcb1_device.dev, "t1_clk"); | |
623 | at91_clock_associate("tc5_clk", &at91sam9260_tcb1_device.dev, "t2_clk"); | |
624 | platform_device_register(&at91sam9260_tcb1_device); | |
625 | } | |
626 | #else | |
627 | static void __init at91_add_device_tc(void) { } | |
628 | #endif | |
629 | ||
630 | ||
884f5a6a AV |
631 | /* -------------------------------------------------------------------- |
632 | * RTT | |
633 | * -------------------------------------------------------------------- */ | |
634 | ||
635 | static struct resource rtt_resources[] = { | |
636 | { | |
637 | .start = AT91_BASE_SYS + AT91_RTT, | |
638 | .end = AT91_BASE_SYS + AT91_RTT + SZ_16 - 1, | |
639 | .flags = IORESOURCE_MEM, | |
640 | } | |
641 | }; | |
642 | ||
643 | static struct platform_device at91sam9260_rtt_device = { | |
644 | .name = "at91_rtt", | |
4fd9212c | 645 | .id = 0, |
884f5a6a AV |
646 | .resource = rtt_resources, |
647 | .num_resources = ARRAY_SIZE(rtt_resources), | |
648 | }; | |
649 | ||
650 | static void __init at91_add_device_rtt(void) | |
651 | { | |
652 | platform_device_register(&at91sam9260_rtt_device); | |
653 | } | |
654 | ||
655 | ||
656 | /* -------------------------------------------------------------------- | |
657 | * Watchdog | |
658 | * -------------------------------------------------------------------- */ | |
659 | ||
660 | #if defined(CONFIG_AT91SAM9_WATCHDOG) || defined(CONFIG_AT91SAM9_WATCHDOG_MODULE) | |
661 | static struct platform_device at91sam9260_wdt_device = { | |
662 | .name = "at91_wdt", | |
663 | .id = -1, | |
664 | .num_resources = 0, | |
665 | }; | |
666 | ||
667 | static void __init at91_add_device_watchdog(void) | |
668 | { | |
669 | platform_device_register(&at91sam9260_wdt_device); | |
670 | } | |
671 | #else | |
672 | static void __init at91_add_device_watchdog(void) {} | |
673 | #endif | |
674 | ||
675 | ||
bfbc3266 AV |
676 | /* -------------------------------------------------------------------- |
677 | * SSC -- Synchronous Serial Controller | |
678 | * -------------------------------------------------------------------- */ | |
679 | ||
680 | #if defined(CONFIG_ATMEL_SSC) || defined(CONFIG_ATMEL_SSC_MODULE) | |
681 | static u64 ssc_dmamask = DMA_BIT_MASK(32); | |
682 | ||
683 | static struct resource ssc_resources[] = { | |
684 | [0] = { | |
685 | .start = AT91SAM9260_BASE_SSC, | |
686 | .end = AT91SAM9260_BASE_SSC + SZ_16K - 1, | |
687 | .flags = IORESOURCE_MEM, | |
688 | }, | |
689 | [1] = { | |
690 | .start = AT91SAM9260_ID_SSC, | |
691 | .end = AT91SAM9260_ID_SSC, | |
692 | .flags = IORESOURCE_IRQ, | |
693 | }, | |
694 | }; | |
695 | ||
696 | static struct platform_device at91sam9260_ssc_device = { | |
697 | .name = "ssc", | |
698 | .id = 0, | |
699 | .dev = { | |
700 | .dma_mask = &ssc_dmamask, | |
701 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
702 | }, | |
703 | .resource = ssc_resources, | |
704 | .num_resources = ARRAY_SIZE(ssc_resources), | |
705 | }; | |
706 | ||
707 | static inline void configure_ssc_pins(unsigned pins) | |
708 | { | |
709 | if (pins & ATMEL_SSC_TF) | |
710 | at91_set_A_periph(AT91_PIN_PB17, 1); | |
711 | if (pins & ATMEL_SSC_TK) | |
712 | at91_set_A_periph(AT91_PIN_PB16, 1); | |
713 | if (pins & ATMEL_SSC_TD) | |
714 | at91_set_A_periph(AT91_PIN_PB18, 1); | |
715 | if (pins & ATMEL_SSC_RD) | |
716 | at91_set_A_periph(AT91_PIN_PB19, 1); | |
717 | if (pins & ATMEL_SSC_RK) | |
718 | at91_set_A_periph(AT91_PIN_PB20, 1); | |
719 | if (pins & ATMEL_SSC_RF) | |
720 | at91_set_A_periph(AT91_PIN_PB21, 1); | |
721 | } | |
722 | ||
723 | /* | |
724 | * SSC controllers are accessed through library code, instead of any | |
725 | * kind of all-singing/all-dancing driver. For example one could be | |
726 | * used by a particular I2S audio codec's driver, while another one | |
727 | * on the same system might be used by a custom data capture driver. | |
728 | */ | |
729 | void __init at91_add_device_ssc(unsigned id, unsigned pins) | |
730 | { | |
731 | struct platform_device *pdev; | |
732 | ||
733 | /* | |
734 | * NOTE: caller is responsible for passing information matching | |
735 | * "pins" to whatever will be using each particular controller. | |
736 | */ | |
737 | switch (id) { | |
738 | case AT91SAM9260_ID_SSC: | |
739 | pdev = &at91sam9260_ssc_device; | |
740 | configure_ssc_pins(pins); | |
741 | at91_clock_associate("ssc_clk", &pdev->dev, "pclk"); | |
742 | break; | |
743 | default: | |
744 | return; | |
745 | } | |
746 | ||
747 | platform_device_register(pdev); | |
748 | } | |
749 | ||
750 | #else | |
751 | void __init at91_add_device_ssc(unsigned id, unsigned pins) {} | |
752 | #endif | |
753 | ||
754 | ||
86ad76bb AV |
755 | /* -------------------------------------------------------------------- |
756 | * UART | |
757 | * -------------------------------------------------------------------- */ | |
758 | #if defined(CONFIG_SERIAL_ATMEL) | |
759 | static struct resource dbgu_resources[] = { | |
760 | [0] = { | |
761 | .start = AT91_VA_BASE_SYS + AT91_DBGU, | |
762 | .end = AT91_VA_BASE_SYS + AT91_DBGU + SZ_512 - 1, | |
763 | .flags = IORESOURCE_MEM, | |
764 | }, | |
765 | [1] = { | |
766 | .start = AT91_ID_SYS, | |
767 | .end = AT91_ID_SYS, | |
768 | .flags = IORESOURCE_IRQ, | |
769 | }, | |
770 | }; | |
771 | ||
772 | static struct atmel_uart_data dbgu_data = { | |
773 | .use_dma_tx = 0, | |
774 | .use_dma_rx = 0, /* DBGU not capable of receive DMA */ | |
775 | .regs = (void __iomem *)(AT91_VA_BASE_SYS + AT91_DBGU), | |
776 | }; | |
777 | ||
c6686ff9 AV |
778 | static u64 dbgu_dmamask = DMA_BIT_MASK(32); |
779 | ||
86ad76bb AV |
780 | static struct platform_device at91sam9260_dbgu_device = { |
781 | .name = "atmel_usart", | |
782 | .id = 0, | |
783 | .dev = { | |
c6686ff9 AV |
784 | .dma_mask = &dbgu_dmamask, |
785 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
786 | .platform_data = &dbgu_data, | |
86ad76bb AV |
787 | }, |
788 | .resource = dbgu_resources, | |
789 | .num_resources = ARRAY_SIZE(dbgu_resources), | |
790 | }; | |
791 | ||
792 | static inline void configure_dbgu_pins(void) | |
793 | { | |
794 | at91_set_A_periph(AT91_PIN_PB14, 0); /* DRXD */ | |
795 | at91_set_A_periph(AT91_PIN_PB15, 1); /* DTXD */ | |
796 | } | |
797 | ||
798 | static struct resource uart0_resources[] = { | |
799 | [0] = { | |
800 | .start = AT91SAM9260_BASE_US0, | |
801 | .end = AT91SAM9260_BASE_US0 + SZ_16K - 1, | |
802 | .flags = IORESOURCE_MEM, | |
803 | }, | |
804 | [1] = { | |
805 | .start = AT91SAM9260_ID_US0, | |
806 | .end = AT91SAM9260_ID_US0, | |
807 | .flags = IORESOURCE_IRQ, | |
808 | }, | |
809 | }; | |
810 | ||
811 | static struct atmel_uart_data uart0_data = { | |
812 | .use_dma_tx = 1, | |
813 | .use_dma_rx = 1, | |
814 | }; | |
815 | ||
c6686ff9 AV |
816 | static u64 uart0_dmamask = DMA_BIT_MASK(32); |
817 | ||
86ad76bb AV |
818 | static struct platform_device at91sam9260_uart0_device = { |
819 | .name = "atmel_usart", | |
820 | .id = 1, | |
821 | .dev = { | |
c6686ff9 AV |
822 | .dma_mask = &uart0_dmamask, |
823 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
824 | .platform_data = &uart0_data, | |
86ad76bb AV |
825 | }, |
826 | .resource = uart0_resources, | |
827 | .num_resources = ARRAY_SIZE(uart0_resources), | |
828 | }; | |
829 | ||
c8f385a6 | 830 | static inline void configure_usart0_pins(unsigned pins) |
86ad76bb AV |
831 | { |
832 | at91_set_A_periph(AT91_PIN_PB4, 1); /* TXD0 */ | |
833 | at91_set_A_periph(AT91_PIN_PB5, 0); /* RXD0 */ | |
c8f385a6 AV |
834 | |
835 | if (pins & ATMEL_UART_RTS) | |
836 | at91_set_A_periph(AT91_PIN_PB26, 0); /* RTS0 */ | |
837 | if (pins & ATMEL_UART_CTS) | |
838 | at91_set_A_periph(AT91_PIN_PB27, 0); /* CTS0 */ | |
839 | if (pins & ATMEL_UART_DTR) | |
840 | at91_set_A_periph(AT91_PIN_PB24, 0); /* DTR0 */ | |
841 | if (pins & ATMEL_UART_DSR) | |
842 | at91_set_A_periph(AT91_PIN_PB22, 0); /* DSR0 */ | |
843 | if (pins & ATMEL_UART_DCD) | |
844 | at91_set_A_periph(AT91_PIN_PB23, 0); /* DCD0 */ | |
845 | if (pins & ATMEL_UART_RI) | |
846 | at91_set_A_periph(AT91_PIN_PB25, 0); /* RI0 */ | |
86ad76bb AV |
847 | } |
848 | ||
849 | static struct resource uart1_resources[] = { | |
850 | [0] = { | |
851 | .start = AT91SAM9260_BASE_US1, | |
852 | .end = AT91SAM9260_BASE_US1 + SZ_16K - 1, | |
853 | .flags = IORESOURCE_MEM, | |
854 | }, | |
855 | [1] = { | |
856 | .start = AT91SAM9260_ID_US1, | |
857 | .end = AT91SAM9260_ID_US1, | |
858 | .flags = IORESOURCE_IRQ, | |
859 | }, | |
860 | }; | |
861 | ||
862 | static struct atmel_uart_data uart1_data = { | |
863 | .use_dma_tx = 1, | |
864 | .use_dma_rx = 1, | |
865 | }; | |
866 | ||
c6686ff9 AV |
867 | static u64 uart1_dmamask = DMA_BIT_MASK(32); |
868 | ||
86ad76bb AV |
869 | static struct platform_device at91sam9260_uart1_device = { |
870 | .name = "atmel_usart", | |
871 | .id = 2, | |
872 | .dev = { | |
c6686ff9 AV |
873 | .dma_mask = &uart1_dmamask, |
874 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
875 | .platform_data = &uart1_data, | |
86ad76bb AV |
876 | }, |
877 | .resource = uart1_resources, | |
878 | .num_resources = ARRAY_SIZE(uart1_resources), | |
879 | }; | |
880 | ||
c8f385a6 | 881 | static inline void configure_usart1_pins(unsigned pins) |
86ad76bb AV |
882 | { |
883 | at91_set_A_periph(AT91_PIN_PB6, 1); /* TXD1 */ | |
884 | at91_set_A_periph(AT91_PIN_PB7, 0); /* RXD1 */ | |
c8f385a6 AV |
885 | |
886 | if (pins & ATMEL_UART_RTS) | |
887 | at91_set_A_periph(AT91_PIN_PB28, 0); /* RTS1 */ | |
888 | if (pins & ATMEL_UART_CTS) | |
889 | at91_set_A_periph(AT91_PIN_PB29, 0); /* CTS1 */ | |
86ad76bb AV |
890 | } |
891 | ||
892 | static struct resource uart2_resources[] = { | |
893 | [0] = { | |
894 | .start = AT91SAM9260_BASE_US2, | |
895 | .end = AT91SAM9260_BASE_US2 + SZ_16K - 1, | |
896 | .flags = IORESOURCE_MEM, | |
897 | }, | |
898 | [1] = { | |
899 | .start = AT91SAM9260_ID_US2, | |
900 | .end = AT91SAM9260_ID_US2, | |
901 | .flags = IORESOURCE_IRQ, | |
902 | }, | |
903 | }; | |
904 | ||
905 | static struct atmel_uart_data uart2_data = { | |
906 | .use_dma_tx = 1, | |
907 | .use_dma_rx = 1, | |
908 | }; | |
909 | ||
c6686ff9 AV |
910 | static u64 uart2_dmamask = DMA_BIT_MASK(32); |
911 | ||
86ad76bb AV |
912 | static struct platform_device at91sam9260_uart2_device = { |
913 | .name = "atmel_usart", | |
914 | .id = 3, | |
915 | .dev = { | |
c6686ff9 AV |
916 | .dma_mask = &uart2_dmamask, |
917 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
918 | .platform_data = &uart2_data, | |
86ad76bb AV |
919 | }, |
920 | .resource = uart2_resources, | |
921 | .num_resources = ARRAY_SIZE(uart2_resources), | |
922 | }; | |
923 | ||
c8f385a6 | 924 | static inline void configure_usart2_pins(unsigned pins) |
86ad76bb AV |
925 | { |
926 | at91_set_A_periph(AT91_PIN_PB8, 1); /* TXD2 */ | |
927 | at91_set_A_periph(AT91_PIN_PB9, 0); /* RXD2 */ | |
c8f385a6 AV |
928 | |
929 | if (pins & ATMEL_UART_RTS) | |
930 | at91_set_A_periph(AT91_PIN_PA4, 0); /* RTS2 */ | |
931 | if (pins & ATMEL_UART_CTS) | |
932 | at91_set_A_periph(AT91_PIN_PA5, 0); /* CTS2 */ | |
86ad76bb AV |
933 | } |
934 | ||
935 | static struct resource uart3_resources[] = { | |
936 | [0] = { | |
937 | .start = AT91SAM9260_BASE_US3, | |
938 | .end = AT91SAM9260_BASE_US3 + SZ_16K - 1, | |
939 | .flags = IORESOURCE_MEM, | |
940 | }, | |
941 | [1] = { | |
942 | .start = AT91SAM9260_ID_US3, | |
943 | .end = AT91SAM9260_ID_US3, | |
944 | .flags = IORESOURCE_IRQ, | |
945 | }, | |
946 | }; | |
947 | ||
948 | static struct atmel_uart_data uart3_data = { | |
949 | .use_dma_tx = 1, | |
950 | .use_dma_rx = 1, | |
951 | }; | |
952 | ||
c6686ff9 AV |
953 | static u64 uart3_dmamask = DMA_BIT_MASK(32); |
954 | ||
86ad76bb AV |
955 | static struct platform_device at91sam9260_uart3_device = { |
956 | .name = "atmel_usart", | |
957 | .id = 4, | |
958 | .dev = { | |
c6686ff9 AV |
959 | .dma_mask = &uart3_dmamask, |
960 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
961 | .platform_data = &uart3_data, | |
86ad76bb AV |
962 | }, |
963 | .resource = uart3_resources, | |
964 | .num_resources = ARRAY_SIZE(uart3_resources), | |
965 | }; | |
966 | ||
c8f385a6 | 967 | static inline void configure_usart3_pins(unsigned pins) |
86ad76bb AV |
968 | { |
969 | at91_set_A_periph(AT91_PIN_PB10, 1); /* TXD3 */ | |
970 | at91_set_A_periph(AT91_PIN_PB11, 0); /* RXD3 */ | |
c8f385a6 AV |
971 | |
972 | if (pins & ATMEL_UART_RTS) | |
973 | at91_set_B_periph(AT91_PIN_PC8, 0); /* RTS3 */ | |
974 | if (pins & ATMEL_UART_CTS) | |
975 | at91_set_B_periph(AT91_PIN_PC10, 0); /* CTS3 */ | |
86ad76bb AV |
976 | } |
977 | ||
978 | static struct resource uart4_resources[] = { | |
979 | [0] = { | |
980 | .start = AT91SAM9260_BASE_US4, | |
981 | .end = AT91SAM9260_BASE_US4 + SZ_16K - 1, | |
982 | .flags = IORESOURCE_MEM, | |
983 | }, | |
984 | [1] = { | |
985 | .start = AT91SAM9260_ID_US4, | |
986 | .end = AT91SAM9260_ID_US4, | |
987 | .flags = IORESOURCE_IRQ, | |
988 | }, | |
989 | }; | |
990 | ||
991 | static struct atmel_uart_data uart4_data = { | |
992 | .use_dma_tx = 1, | |
993 | .use_dma_rx = 1, | |
994 | }; | |
995 | ||
c6686ff9 AV |
996 | static u64 uart4_dmamask = DMA_BIT_MASK(32); |
997 | ||
86ad76bb AV |
998 | static struct platform_device at91sam9260_uart4_device = { |
999 | .name = "atmel_usart", | |
1000 | .id = 5, | |
1001 | .dev = { | |
c6686ff9 AV |
1002 | .dma_mask = &uart4_dmamask, |
1003 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
1004 | .platform_data = &uart4_data, | |
86ad76bb AV |
1005 | }, |
1006 | .resource = uart4_resources, | |
1007 | .num_resources = ARRAY_SIZE(uart4_resources), | |
1008 | }; | |
1009 | ||
1010 | static inline void configure_usart4_pins(void) | |
1011 | { | |
1012 | at91_set_B_periph(AT91_PIN_PA31, 1); /* TXD4 */ | |
1013 | at91_set_B_periph(AT91_PIN_PA30, 0); /* RXD4 */ | |
1014 | } | |
1015 | ||
1016 | static struct resource uart5_resources[] = { | |
1017 | [0] = { | |
1018 | .start = AT91SAM9260_BASE_US5, | |
1019 | .end = AT91SAM9260_BASE_US5 + SZ_16K - 1, | |
1020 | .flags = IORESOURCE_MEM, | |
1021 | }, | |
1022 | [1] = { | |
1023 | .start = AT91SAM9260_ID_US5, | |
1024 | .end = AT91SAM9260_ID_US5, | |
1025 | .flags = IORESOURCE_IRQ, | |
1026 | }, | |
1027 | }; | |
1028 | ||
1029 | static struct atmel_uart_data uart5_data = { | |
1030 | .use_dma_tx = 1, | |
1031 | .use_dma_rx = 1, | |
1032 | }; | |
1033 | ||
c6686ff9 AV |
1034 | static u64 uart5_dmamask = DMA_BIT_MASK(32); |
1035 | ||
86ad76bb AV |
1036 | static struct platform_device at91sam9260_uart5_device = { |
1037 | .name = "atmel_usart", | |
1038 | .id = 6, | |
1039 | .dev = { | |
c6686ff9 AV |
1040 | .dma_mask = &uart5_dmamask, |
1041 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
1042 | .platform_data = &uart5_data, | |
86ad76bb AV |
1043 | }, |
1044 | .resource = uart5_resources, | |
1045 | .num_resources = ARRAY_SIZE(uart5_resources), | |
1046 | }; | |
1047 | ||
1048 | static inline void configure_usart5_pins(void) | |
1049 | { | |
1050 | at91_set_A_periph(AT91_PIN_PB12, 1); /* TXD5 */ | |
1051 | at91_set_A_periph(AT91_PIN_PB13, 0); /* RXD5 */ | |
1052 | } | |
1053 | ||
11aadac4 | 1054 | static struct platform_device *__initdata at91_uarts[ATMEL_MAX_UART]; /* the UARTs to use */ |
86ad76bb AV |
1055 | struct platform_device *atmel_default_console_device; /* the serial console device */ |
1056 | ||
c8f385a6 AV |
1057 | void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins) |
1058 | { | |
1059 | struct platform_device *pdev; | |
1060 | ||
1061 | switch (id) { | |
1062 | case 0: /* DBGU */ | |
1063 | pdev = &at91sam9260_dbgu_device; | |
1064 | configure_dbgu_pins(); | |
1065 | at91_clock_associate("mck", &pdev->dev, "usart"); | |
1066 | break; | |
1067 | case AT91SAM9260_ID_US0: | |
1068 | pdev = &at91sam9260_uart0_device; | |
1069 | configure_usart0_pins(pins); | |
1070 | at91_clock_associate("usart0_clk", &pdev->dev, "usart"); | |
1071 | break; | |
1072 | case AT91SAM9260_ID_US1: | |
1073 | pdev = &at91sam9260_uart1_device; | |
1074 | configure_usart1_pins(pins); | |
1075 | at91_clock_associate("usart1_clk", &pdev->dev, "usart"); | |
1076 | break; | |
1077 | case AT91SAM9260_ID_US2: | |
1078 | pdev = &at91sam9260_uart2_device; | |
1079 | configure_usart2_pins(pins); | |
1080 | at91_clock_associate("usart2_clk", &pdev->dev, "usart"); | |
1081 | break; | |
1082 | case AT91SAM9260_ID_US3: | |
1083 | pdev = &at91sam9260_uart3_device; | |
1084 | configure_usart3_pins(pins); | |
1085 | at91_clock_associate("usart3_clk", &pdev->dev, "usart"); | |
1086 | break; | |
1087 | case AT91SAM9260_ID_US4: | |
1088 | pdev = &at91sam9260_uart4_device; | |
1089 | configure_usart4_pins(); | |
1090 | at91_clock_associate("usart4_clk", &pdev->dev, "usart"); | |
1091 | break; | |
1092 | case AT91SAM9260_ID_US5: | |
1093 | pdev = &at91sam9260_uart5_device; | |
1094 | configure_usart5_pins(); | |
1095 | at91_clock_associate("usart5_clk", &pdev->dev, "usart"); | |
1096 | break; | |
1097 | default: | |
1098 | return; | |
1099 | } | |
1100 | pdev->id = portnr; /* update to mapped ID */ | |
1101 | ||
1102 | if (portnr < ATMEL_MAX_UART) | |
1103 | at91_uarts[portnr] = pdev; | |
1104 | } | |
1105 | ||
1106 | void __init at91_set_serial_console(unsigned portnr) | |
1107 | { | |
1108 | if (portnr < ATMEL_MAX_UART) | |
1109 | atmel_default_console_device = at91_uarts[portnr]; | |
c8f385a6 AV |
1110 | } |
1111 | ||
86ad76bb AV |
1112 | void __init at91_add_device_serial(void) |
1113 | { | |
1114 | int i; | |
1115 | ||
1116 | for (i = 0; i < ATMEL_MAX_UART; i++) { | |
1117 | if (at91_uarts[i]) | |
1118 | platform_device_register(at91_uarts[i]); | |
1119 | } | |
11aadac4 AV |
1120 | |
1121 | if (!atmel_default_console_device) | |
1122 | printk(KERN_INFO "AT91: No default serial console defined.\n"); | |
86ad76bb AV |
1123 | } |
1124 | #else | |
c8f385a6 AV |
1125 | void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins) {} |
1126 | void __init at91_set_serial_console(unsigned portnr) {} | |
86ad76bb AV |
1127 | void __init at91_add_device_serial(void) {} |
1128 | #endif | |
1129 | ||
1130 | ||
1131 | /* -------------------------------------------------------------------- */ | |
1132 | /* | |
1133 | * These devices are always present and don't need any board-specific | |
1134 | * setup. | |
1135 | */ | |
1136 | static int __init at91_add_standard_devices(void) | |
1137 | { | |
884f5a6a AV |
1138 | at91_add_device_rtt(); |
1139 | at91_add_device_watchdog(); | |
e5f40bfa | 1140 | at91_add_device_tc(); |
86ad76bb AV |
1141 | return 0; |
1142 | } | |
1143 | ||
1144 | arch_initcall(at91_add_standard_devices); |