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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> |
2f8163ba | 16 | #include <linux/gpio.h> |
86ad76bb | 17 | #include <linux/platform_device.h> |
f230d3f5 | 18 | #include <linux/i2c-gpio.h> |
86ad76bb | 19 | |
a09e64fb | 20 | #include <mach/board.h> |
a09e64fb RK |
21 | #include <mach/cpu.h> |
22 | #include <mach/at91sam9260.h> | |
23 | #include <mach/at91sam9260_matrix.h> | |
24 | #include <mach/at91sam9_smc.h> | |
86ad76bb AV |
25 | |
26 | #include "generic.h" | |
27 | ||
86ad76bb AV |
28 | |
29 | /* -------------------------------------------------------------------- | |
30 | * USB Host | |
31 | * -------------------------------------------------------------------- */ | |
32 | ||
33 | #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) | |
c6686ff9 | 34 | static u64 ohci_dmamask = DMA_BIT_MASK(32); |
86ad76bb AV |
35 | static struct at91_usbh_data usbh_data; |
36 | ||
37 | static struct resource usbh_resources[] = { | |
38 | [0] = { | |
39 | .start = AT91SAM9260_UHP_BASE, | |
40 | .end = AT91SAM9260_UHP_BASE + SZ_1M - 1, | |
41 | .flags = IORESOURCE_MEM, | |
42 | }, | |
43 | [1] = { | |
44 | .start = AT91SAM9260_ID_UHP, | |
45 | .end = AT91SAM9260_ID_UHP, | |
46 | .flags = IORESOURCE_IRQ, | |
47 | }, | |
48 | }; | |
49 | ||
50 | static struct platform_device at91_usbh_device = { | |
51 | .name = "at91_ohci", | |
52 | .id = -1, | |
53 | .dev = { | |
54 | .dma_mask = &ohci_dmamask, | |
c6686ff9 | 55 | .coherent_dma_mask = DMA_BIT_MASK(32), |
86ad76bb AV |
56 | .platform_data = &usbh_data, |
57 | }, | |
58 | .resource = usbh_resources, | |
59 | .num_resources = ARRAY_SIZE(usbh_resources), | |
60 | }; | |
61 | ||
62 | void __init at91_add_device_usbh(struct at91_usbh_data *data) | |
63 | { | |
1fcaea7e TP |
64 | int i; |
65 | ||
86ad76bb AV |
66 | if (!data) |
67 | return; | |
68 | ||
1fcaea7e TP |
69 | /* Enable overcurrent notification */ |
70 | for (i = 0; i < data->ports; i++) { | |
71 | if (data->overcurrent_pin[i]) | |
72 | at91_set_gpio_input(data->overcurrent_pin[i], 1); | |
73 | } | |
74 | ||
86ad76bb AV |
75 | usbh_data = *data; |
76 | platform_device_register(&at91_usbh_device); | |
77 | } | |
78 | #else | |
79 | void __init at91_add_device_usbh(struct at91_usbh_data *data) {} | |
80 | #endif | |
81 | ||
82 | ||
83 | /* -------------------------------------------------------------------- | |
84 | * USB Device (Gadget) | |
85 | * -------------------------------------------------------------------- */ | |
86 | ||
87 | #ifdef CONFIG_USB_GADGET_AT91 | |
88 | static struct at91_udc_data udc_data; | |
89 | ||
90 | static struct resource udc_resources[] = { | |
91 | [0] = { | |
92 | .start = AT91SAM9260_BASE_UDP, | |
93 | .end = AT91SAM9260_BASE_UDP + SZ_16K - 1, | |
94 | .flags = IORESOURCE_MEM, | |
95 | }, | |
96 | [1] = { | |
97 | .start = AT91SAM9260_ID_UDP, | |
98 | .end = AT91SAM9260_ID_UDP, | |
99 | .flags = IORESOURCE_IRQ, | |
100 | }, | |
101 | }; | |
102 | ||
103 | static struct platform_device at91_udc_device = { | |
104 | .name = "at91_udc", | |
105 | .id = -1, | |
106 | .dev = { | |
107 | .platform_data = &udc_data, | |
108 | }, | |
109 | .resource = udc_resources, | |
110 | .num_resources = ARRAY_SIZE(udc_resources), | |
111 | }; | |
112 | ||
113 | void __init at91_add_device_udc(struct at91_udc_data *data) | |
114 | { | |
115 | if (!data) | |
116 | return; | |
117 | ||
118 | if (data->vbus_pin) { | |
119 | at91_set_gpio_input(data->vbus_pin, 0); | |
120 | at91_set_deglitch(data->vbus_pin, 1); | |
121 | } | |
122 | ||
123 | /* Pullup pin is handled internally by USB device peripheral */ | |
124 | ||
125 | udc_data = *data; | |
126 | platform_device_register(&at91_udc_device); | |
127 | } | |
128 | #else | |
129 | void __init at91_add_device_udc(struct at91_udc_data *data) {} | |
130 | #endif | |
131 | ||
132 | ||
133 | /* -------------------------------------------------------------------- | |
134 | * Ethernet | |
135 | * -------------------------------------------------------------------- */ | |
136 | ||
137 | #if defined(CONFIG_MACB) || defined(CONFIG_MACB_MODULE) | |
c6686ff9 | 138 | static u64 eth_dmamask = DMA_BIT_MASK(32); |
a93d48cc | 139 | static struct at91_eth_data eth_data; |
86ad76bb AV |
140 | |
141 | static struct resource eth_resources[] = { | |
142 | [0] = { | |
143 | .start = AT91SAM9260_BASE_EMAC, | |
144 | .end = AT91SAM9260_BASE_EMAC + SZ_16K - 1, | |
145 | .flags = IORESOURCE_MEM, | |
146 | }, | |
147 | [1] = { | |
148 | .start = AT91SAM9260_ID_EMAC, | |
149 | .end = AT91SAM9260_ID_EMAC, | |
150 | .flags = IORESOURCE_IRQ, | |
151 | }, | |
152 | }; | |
153 | ||
154 | static struct platform_device at91sam9260_eth_device = { | |
155 | .name = "macb", | |
156 | .id = -1, | |
157 | .dev = { | |
158 | .dma_mask = ð_dmamask, | |
c6686ff9 | 159 | .coherent_dma_mask = DMA_BIT_MASK(32), |
86ad76bb AV |
160 | .platform_data = ð_data, |
161 | }, | |
162 | .resource = eth_resources, | |
163 | .num_resources = ARRAY_SIZE(eth_resources), | |
164 | }; | |
165 | ||
a93d48cc | 166 | void __init at91_add_device_eth(struct at91_eth_data *data) |
86ad76bb AV |
167 | { |
168 | if (!data) | |
169 | return; | |
170 | ||
171 | if (data->phy_irq_pin) { | |
172 | at91_set_gpio_input(data->phy_irq_pin, 0); | |
173 | at91_set_deglitch(data->phy_irq_pin, 1); | |
174 | } | |
175 | ||
176 | /* Pins used for MII and RMII */ | |
177 | at91_set_A_periph(AT91_PIN_PA19, 0); /* ETXCK_EREFCK */ | |
178 | at91_set_A_periph(AT91_PIN_PA17, 0); /* ERXDV */ | |
179 | at91_set_A_periph(AT91_PIN_PA14, 0); /* ERX0 */ | |
180 | at91_set_A_periph(AT91_PIN_PA15, 0); /* ERX1 */ | |
181 | at91_set_A_periph(AT91_PIN_PA18, 0); /* ERXER */ | |
182 | at91_set_A_periph(AT91_PIN_PA16, 0); /* ETXEN */ | |
183 | at91_set_A_periph(AT91_PIN_PA12, 0); /* ETX0 */ | |
184 | at91_set_A_periph(AT91_PIN_PA13, 0); /* ETX1 */ | |
185 | at91_set_A_periph(AT91_PIN_PA21, 0); /* EMDIO */ | |
186 | at91_set_A_periph(AT91_PIN_PA20, 0); /* EMDC */ | |
187 | ||
188 | if (!data->is_rmii) { | |
189 | at91_set_B_periph(AT91_PIN_PA28, 0); /* ECRS */ | |
190 | at91_set_B_periph(AT91_PIN_PA29, 0); /* ECOL */ | |
191 | at91_set_B_periph(AT91_PIN_PA25, 0); /* ERX2 */ | |
192 | at91_set_B_periph(AT91_PIN_PA26, 0); /* ERX3 */ | |
193 | at91_set_B_periph(AT91_PIN_PA27, 0); /* ERXCK */ | |
194 | at91_set_B_periph(AT91_PIN_PA23, 0); /* ETX2 */ | |
195 | at91_set_B_periph(AT91_PIN_PA24, 0); /* ETX3 */ | |
196 | at91_set_B_periph(AT91_PIN_PA22, 0); /* ETXER */ | |
197 | } | |
198 | ||
199 | eth_data = *data; | |
200 | platform_device_register(&at91sam9260_eth_device); | |
201 | } | |
202 | #else | |
a93d48cc | 203 | void __init at91_add_device_eth(struct at91_eth_data *data) {} |
86ad76bb AV |
204 | #endif |
205 | ||
206 | ||
207 | /* -------------------------------------------------------------------- | |
208 | * MMC / SD | |
209 | * -------------------------------------------------------------------- */ | |
210 | ||
211 | #if defined(CONFIG_MMC_AT91) || defined(CONFIG_MMC_AT91_MODULE) | |
c6686ff9 | 212 | static u64 mmc_dmamask = DMA_BIT_MASK(32); |
86ad76bb AV |
213 | static struct at91_mmc_data mmc_data; |
214 | ||
215 | static struct resource mmc_resources[] = { | |
216 | [0] = { | |
217 | .start = AT91SAM9260_BASE_MCI, | |
218 | .end = AT91SAM9260_BASE_MCI + SZ_16K - 1, | |
219 | .flags = IORESOURCE_MEM, | |
220 | }, | |
221 | [1] = { | |
222 | .start = AT91SAM9260_ID_MCI, | |
223 | .end = AT91SAM9260_ID_MCI, | |
224 | .flags = IORESOURCE_IRQ, | |
225 | }, | |
226 | }; | |
227 | ||
228 | static struct platform_device at91sam9260_mmc_device = { | |
229 | .name = "at91_mci", | |
230 | .id = -1, | |
231 | .dev = { | |
232 | .dma_mask = &mmc_dmamask, | |
c6686ff9 | 233 | .coherent_dma_mask = DMA_BIT_MASK(32), |
86ad76bb AV |
234 | .platform_data = &mmc_data, |
235 | }, | |
236 | .resource = mmc_resources, | |
237 | .num_resources = ARRAY_SIZE(mmc_resources), | |
238 | }; | |
239 | ||
d0760b3b | 240 | void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data) |
86ad76bb AV |
241 | { |
242 | if (!data) | |
243 | return; | |
244 | ||
245 | /* input/irq */ | |
246 | if (data->det_pin) { | |
247 | at91_set_gpio_input(data->det_pin, 1); | |
248 | at91_set_deglitch(data->det_pin, 1); | |
249 | } | |
250 | if (data->wp_pin) | |
251 | at91_set_gpio_input(data->wp_pin, 1); | |
252 | if (data->vcc_pin) | |
253 | at91_set_gpio_output(data->vcc_pin, 0); | |
254 | ||
255 | /* CLK */ | |
256 | at91_set_A_periph(AT91_PIN_PA8, 0); | |
257 | ||
258 | if (data->slot_b) { | |
259 | /* CMD */ | |
260 | at91_set_B_periph(AT91_PIN_PA1, 1); | |
261 | ||
262 | /* DAT0, maybe DAT1..DAT3 */ | |
263 | at91_set_B_periph(AT91_PIN_PA0, 1); | |
264 | if (data->wire4) { | |
265 | at91_set_B_periph(AT91_PIN_PA5, 1); | |
266 | at91_set_B_periph(AT91_PIN_PA4, 1); | |
267 | at91_set_B_periph(AT91_PIN_PA3, 1); | |
268 | } | |
269 | } else { | |
270 | /* CMD */ | |
271 | at91_set_A_periph(AT91_PIN_PA7, 1); | |
272 | ||
273 | /* DAT0, maybe DAT1..DAT3 */ | |
274 | at91_set_A_periph(AT91_PIN_PA6, 1); | |
275 | if (data->wire4) { | |
276 | at91_set_A_periph(AT91_PIN_PA9, 1); | |
277 | at91_set_A_periph(AT91_PIN_PA10, 1); | |
278 | at91_set_A_periph(AT91_PIN_PA11, 1); | |
279 | } | |
280 | } | |
281 | ||
282 | mmc_data = *data; | |
283 | platform_device_register(&at91sam9260_mmc_device); | |
284 | } | |
285 | #else | |
d0760b3b | 286 | void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data) {} |
86ad76bb AV |
287 | #endif |
288 | ||
864f38eb RE |
289 | /* -------------------------------------------------------------------- |
290 | * MMC / SD Slot for Atmel MCI Driver | |
291 | * -------------------------------------------------------------------- */ | |
292 | ||
293 | #if defined(CONFIG_MMC_ATMELMCI) || defined(CONFIG_MMC_ATMELMCI_MODULE) | |
294 | static u64 mmc_dmamask = DMA_BIT_MASK(32); | |
295 | static struct mci_platform_data mmc_data; | |
296 | ||
297 | static struct resource mmc_resources[] = { | |
298 | [0] = { | |
299 | .start = AT91SAM9260_BASE_MCI, | |
300 | .end = AT91SAM9260_BASE_MCI + SZ_16K - 1, | |
301 | .flags = IORESOURCE_MEM, | |
302 | }, | |
303 | [1] = { | |
304 | .start = AT91SAM9260_ID_MCI, | |
305 | .end = AT91SAM9260_ID_MCI, | |
306 | .flags = IORESOURCE_IRQ, | |
307 | }, | |
308 | }; | |
309 | ||
310 | static struct platform_device at91sam9260_mmc_device = { | |
311 | .name = "atmel_mci", | |
312 | .id = -1, | |
313 | .dev = { | |
314 | .dma_mask = &mmc_dmamask, | |
315 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
316 | .platform_data = &mmc_data, | |
317 | }, | |
318 | .resource = mmc_resources, | |
319 | .num_resources = ARRAY_SIZE(mmc_resources), | |
320 | }; | |
321 | ||
322 | void __init at91_add_device_mci(short mmc_id, struct mci_platform_data *data) | |
323 | { | |
324 | unsigned int i; | |
325 | unsigned int slot_count = 0; | |
326 | ||
327 | if (!data) | |
328 | return; | |
329 | ||
2c96a293 | 330 | for (i = 0; i < ATMCI_MAX_NR_SLOTS; i++) { |
864f38eb RE |
331 | if (data->slot[i].bus_width) { |
332 | /* input/irq */ | |
333 | if (data->slot[i].detect_pin) { | |
334 | at91_set_gpio_input(data->slot[i].detect_pin, 1); | |
335 | at91_set_deglitch(data->slot[i].detect_pin, 1); | |
336 | } | |
337 | if (data->slot[i].wp_pin) | |
338 | at91_set_gpio_input(data->slot[i].wp_pin, 1); | |
339 | ||
340 | switch (i) { | |
341 | case 0: | |
342 | /* CMD */ | |
343 | at91_set_A_periph(AT91_PIN_PA7, 1); | |
344 | /* DAT0, maybe DAT1..DAT3 */ | |
345 | at91_set_A_periph(AT91_PIN_PA6, 1); | |
346 | if (data->slot[i].bus_width == 4) { | |
347 | at91_set_A_periph(AT91_PIN_PA9, 1); | |
348 | at91_set_A_periph(AT91_PIN_PA10, 1); | |
349 | at91_set_A_periph(AT91_PIN_PA11, 1); | |
350 | } | |
351 | slot_count++; | |
352 | break; | |
353 | case 1: | |
354 | /* CMD */ | |
355 | at91_set_B_periph(AT91_PIN_PA1, 1); | |
356 | /* DAT0, maybe DAT1..DAT3 */ | |
357 | at91_set_B_periph(AT91_PIN_PA0, 1); | |
358 | if (data->slot[i].bus_width == 4) { | |
359 | at91_set_B_periph(AT91_PIN_PA5, 1); | |
360 | at91_set_B_periph(AT91_PIN_PA4, 1); | |
361 | at91_set_B_periph(AT91_PIN_PA3, 1); | |
362 | } | |
363 | slot_count++; | |
364 | break; | |
365 | default: | |
366 | printk(KERN_ERR | |
367 | "AT91: SD/MMC slot %d not available\n", i); | |
368 | break; | |
369 | } | |
370 | } | |
371 | } | |
372 | ||
373 | if (slot_count) { | |
374 | /* CLK */ | |
375 | at91_set_A_periph(AT91_PIN_PA8, 0); | |
376 | ||
377 | mmc_data = *data; | |
378 | platform_device_register(&at91sam9260_mmc_device); | |
379 | } | |
380 | } | |
381 | #else | |
382 | void __init at91_add_device_mci(short mmc_id, struct mci_platform_data *data) {} | |
383 | #endif | |
384 | ||
86ad76bb AV |
385 | |
386 | /* -------------------------------------------------------------------- | |
387 | * NAND / SmartMedia | |
388 | * -------------------------------------------------------------------- */ | |
389 | ||
f6ed6f78 | 390 | #if defined(CONFIG_MTD_NAND_ATMEL) || defined(CONFIG_MTD_NAND_ATMEL_MODULE) |
3c3796cc | 391 | static struct atmel_nand_data nand_data; |
86ad76bb AV |
392 | |
393 | #define NAND_BASE AT91_CHIPSELECT_3 | |
394 | ||
395 | static struct resource nand_resources[] = { | |
d7a2415f | 396 | [0] = { |
86ad76bb | 397 | .start = NAND_BASE, |
22823558 | 398 | .end = NAND_BASE + SZ_256M - 1, |
86ad76bb | 399 | .flags = IORESOURCE_MEM, |
d7a2415f AV |
400 | }, |
401 | [1] = { | |
402 | .start = AT91_BASE_SYS + AT91_ECC, | |
403 | .end = AT91_BASE_SYS + AT91_ECC + SZ_512 - 1, | |
404 | .flags = IORESOURCE_MEM, | |
86ad76bb AV |
405 | } |
406 | }; | |
407 | ||
408 | static struct platform_device at91sam9260_nand_device = { | |
3c3796cc | 409 | .name = "atmel_nand", |
86ad76bb AV |
410 | .id = -1, |
411 | .dev = { | |
412 | .platform_data = &nand_data, | |
413 | }, | |
414 | .resource = nand_resources, | |
415 | .num_resources = ARRAY_SIZE(nand_resources), | |
416 | }; | |
417 | ||
3c3796cc | 418 | void __init at91_add_device_nand(struct atmel_nand_data *data) |
86ad76bb | 419 | { |
461d3b4d | 420 | unsigned long csa; |
86ad76bb AV |
421 | |
422 | if (!data) | |
423 | return; | |
424 | ||
425 | csa = at91_sys_read(AT91_MATRIX_EBICSA); | |
22823558 | 426 | at91_sys_write(AT91_MATRIX_EBICSA, csa | AT91_MATRIX_CS3A_SMC_SMARTMEDIA); |
86ad76bb | 427 | |
86ad76bb AV |
428 | /* enable pin */ |
429 | if (data->enable_pin) | |
430 | at91_set_gpio_output(data->enable_pin, 1); | |
431 | ||
432 | /* ready/busy pin */ | |
433 | if (data->rdy_pin) | |
434 | at91_set_gpio_input(data->rdy_pin, 1); | |
435 | ||
436 | /* card detect pin */ | |
437 | if (data->det_pin) | |
438 | at91_set_gpio_input(data->det_pin, 1); | |
439 | ||
440 | nand_data = *data; | |
441 | platform_device_register(&at91sam9260_nand_device); | |
442 | } | |
443 | #else | |
3c3796cc | 444 | void __init at91_add_device_nand(struct atmel_nand_data *data) {} |
86ad76bb AV |
445 | #endif |
446 | ||
447 | ||
448 | /* -------------------------------------------------------------------- | |
449 | * TWI (i2c) | |
450 | * -------------------------------------------------------------------- */ | |
451 | ||
f230d3f5 AV |
452 | /* |
453 | * Prefer the GPIO code since the TWI controller isn't robust | |
454 | * (gets overruns and underruns under load) and can only issue | |
455 | * repeated STARTs in one scenario (the driver doesn't yet handle them). | |
456 | */ | |
457 | ||
458 | #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE) | |
459 | ||
460 | static struct i2c_gpio_platform_data pdata = { | |
461 | .sda_pin = AT91_PIN_PA23, | |
462 | .sda_is_open_drain = 1, | |
463 | .scl_pin = AT91_PIN_PA24, | |
464 | .scl_is_open_drain = 1, | |
465 | .udelay = 2, /* ~100 kHz */ | |
466 | }; | |
467 | ||
468 | static struct platform_device at91sam9260_twi_device = { | |
469 | .name = "i2c-gpio", | |
470 | .id = -1, | |
471 | .dev.platform_data = &pdata, | |
472 | }; | |
473 | ||
474 | void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices) | |
475 | { | |
476 | at91_set_GPIO_periph(AT91_PIN_PA23, 1); /* TWD (SDA) */ | |
477 | at91_set_multi_drive(AT91_PIN_PA23, 1); | |
478 | ||
479 | at91_set_GPIO_periph(AT91_PIN_PA24, 1); /* TWCK (SCL) */ | |
480 | at91_set_multi_drive(AT91_PIN_PA24, 1); | |
481 | ||
482 | i2c_register_board_info(0, devices, nr_devices); | |
483 | platform_device_register(&at91sam9260_twi_device); | |
484 | } | |
485 | ||
486 | #elif defined(CONFIG_I2C_AT91) || defined(CONFIG_I2C_AT91_MODULE) | |
86ad76bb AV |
487 | |
488 | static struct resource twi_resources[] = { | |
489 | [0] = { | |
490 | .start = AT91SAM9260_BASE_TWI, | |
491 | .end = AT91SAM9260_BASE_TWI + SZ_16K - 1, | |
492 | .flags = IORESOURCE_MEM, | |
493 | }, | |
494 | [1] = { | |
495 | .start = AT91SAM9260_ID_TWI, | |
496 | .end = AT91SAM9260_ID_TWI, | |
497 | .flags = IORESOURCE_IRQ, | |
498 | }, | |
499 | }; | |
500 | ||
501 | static struct platform_device at91sam9260_twi_device = { | |
502 | .name = "at91_i2c", | |
503 | .id = -1, | |
504 | .resource = twi_resources, | |
505 | .num_resources = ARRAY_SIZE(twi_resources), | |
506 | }; | |
507 | ||
f230d3f5 | 508 | void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices) |
86ad76bb AV |
509 | { |
510 | /* pins used for TWI interface */ | |
511 | at91_set_A_periph(AT91_PIN_PA23, 0); /* TWD */ | |
512 | at91_set_multi_drive(AT91_PIN_PA23, 1); | |
513 | ||
514 | at91_set_A_periph(AT91_PIN_PA24, 0); /* TWCK */ | |
515 | at91_set_multi_drive(AT91_PIN_PA24, 1); | |
516 | ||
f230d3f5 | 517 | i2c_register_board_info(0, devices, nr_devices); |
86ad76bb AV |
518 | platform_device_register(&at91sam9260_twi_device); |
519 | } | |
520 | #else | |
f230d3f5 | 521 | void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices) {} |
86ad76bb AV |
522 | #endif |
523 | ||
524 | ||
525 | /* -------------------------------------------------------------------- | |
526 | * SPI | |
527 | * -------------------------------------------------------------------- */ | |
528 | ||
529 | #if defined(CONFIG_SPI_ATMEL) || defined(CONFIG_SPI_ATMEL_MODULE) | |
c6686ff9 | 530 | static u64 spi_dmamask = DMA_BIT_MASK(32); |
86ad76bb AV |
531 | |
532 | static struct resource spi0_resources[] = { | |
533 | [0] = { | |
534 | .start = AT91SAM9260_BASE_SPI0, | |
535 | .end = AT91SAM9260_BASE_SPI0 + SZ_16K - 1, | |
536 | .flags = IORESOURCE_MEM, | |
537 | }, | |
538 | [1] = { | |
539 | .start = AT91SAM9260_ID_SPI0, | |
540 | .end = AT91SAM9260_ID_SPI0, | |
541 | .flags = IORESOURCE_IRQ, | |
542 | }, | |
543 | }; | |
544 | ||
545 | static struct platform_device at91sam9260_spi0_device = { | |
546 | .name = "atmel_spi", | |
547 | .id = 0, | |
548 | .dev = { | |
549 | .dma_mask = &spi_dmamask, | |
c6686ff9 | 550 | .coherent_dma_mask = DMA_BIT_MASK(32), |
86ad76bb AV |
551 | }, |
552 | .resource = spi0_resources, | |
553 | .num_resources = ARRAY_SIZE(spi0_resources), | |
554 | }; | |
555 | ||
556 | static const unsigned spi0_standard_cs[4] = { AT91_PIN_PA3, AT91_PIN_PC11, AT91_PIN_PC16, AT91_PIN_PC17 }; | |
557 | ||
558 | static struct resource spi1_resources[] = { | |
559 | [0] = { | |
560 | .start = AT91SAM9260_BASE_SPI1, | |
561 | .end = AT91SAM9260_BASE_SPI1 + SZ_16K - 1, | |
562 | .flags = IORESOURCE_MEM, | |
563 | }, | |
564 | [1] = { | |
565 | .start = AT91SAM9260_ID_SPI1, | |
566 | .end = AT91SAM9260_ID_SPI1, | |
567 | .flags = IORESOURCE_IRQ, | |
568 | }, | |
569 | }; | |
570 | ||
571 | static struct platform_device at91sam9260_spi1_device = { | |
572 | .name = "atmel_spi", | |
573 | .id = 1, | |
574 | .dev = { | |
575 | .dma_mask = &spi_dmamask, | |
c6686ff9 | 576 | .coherent_dma_mask = DMA_BIT_MASK(32), |
86ad76bb AV |
577 | }, |
578 | .resource = spi1_resources, | |
579 | .num_resources = ARRAY_SIZE(spi1_resources), | |
580 | }; | |
581 | ||
582 | static const unsigned spi1_standard_cs[4] = { AT91_PIN_PB3, AT91_PIN_PC5, AT91_PIN_PC4, AT91_PIN_PC3 }; | |
583 | ||
584 | void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices) | |
585 | { | |
586 | int i; | |
587 | unsigned long cs_pin; | |
588 | short enable_spi0 = 0; | |
589 | short enable_spi1 = 0; | |
590 | ||
591 | /* Choose SPI chip-selects */ | |
592 | for (i = 0; i < nr_devices; i++) { | |
593 | if (devices[i].controller_data) | |
594 | cs_pin = (unsigned long) devices[i].controller_data; | |
595 | else if (devices[i].bus_num == 0) | |
596 | cs_pin = spi0_standard_cs[devices[i].chip_select]; | |
597 | else | |
598 | cs_pin = spi1_standard_cs[devices[i].chip_select]; | |
599 | ||
600 | if (devices[i].bus_num == 0) | |
601 | enable_spi0 = 1; | |
602 | else | |
603 | enable_spi1 = 1; | |
604 | ||
605 | /* enable chip-select pin */ | |
606 | at91_set_gpio_output(cs_pin, 1); | |
607 | ||
608 | /* pass chip-select pin to driver */ | |
609 | devices[i].controller_data = (void *) cs_pin; | |
610 | } | |
611 | ||
612 | spi_register_board_info(devices, nr_devices); | |
613 | ||
614 | /* Configure SPI bus(es) */ | |
615 | if (enable_spi0) { | |
616 | at91_set_A_periph(AT91_PIN_PA0, 0); /* SPI0_MISO */ | |
617 | at91_set_A_periph(AT91_PIN_PA1, 0); /* SPI0_MOSI */ | |
618 | at91_set_A_periph(AT91_PIN_PA2, 0); /* SPI1_SPCK */ | |
619 | ||
86ad76bb AV |
620 | platform_device_register(&at91sam9260_spi0_device); |
621 | } | |
622 | if (enable_spi1) { | |
623 | at91_set_A_periph(AT91_PIN_PB0, 0); /* SPI1_MISO */ | |
624 | at91_set_A_periph(AT91_PIN_PB1, 0); /* SPI1_MOSI */ | |
625 | at91_set_A_periph(AT91_PIN_PB2, 0); /* SPI1_SPCK */ | |
626 | ||
86ad76bb AV |
627 | platform_device_register(&at91sam9260_spi1_device); |
628 | } | |
629 | } | |
630 | #else | |
631 | void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices) {} | |
632 | #endif | |
633 | ||
634 | ||
e5f40bfa AV |
635 | /* -------------------------------------------------------------------- |
636 | * Timer/Counter blocks | |
637 | * -------------------------------------------------------------------- */ | |
638 | ||
639 | #ifdef CONFIG_ATMEL_TCLIB | |
640 | ||
641 | static struct resource tcb0_resources[] = { | |
642 | [0] = { | |
643 | .start = AT91SAM9260_BASE_TCB0, | |
644 | .end = AT91SAM9260_BASE_TCB0 + SZ_16K - 1, | |
645 | .flags = IORESOURCE_MEM, | |
646 | }, | |
647 | [1] = { | |
648 | .start = AT91SAM9260_ID_TC0, | |
649 | .end = AT91SAM9260_ID_TC0, | |
650 | .flags = IORESOURCE_IRQ, | |
651 | }, | |
652 | [2] = { | |
653 | .start = AT91SAM9260_ID_TC1, | |
654 | .end = AT91SAM9260_ID_TC1, | |
655 | .flags = IORESOURCE_IRQ, | |
656 | }, | |
657 | [3] = { | |
658 | .start = AT91SAM9260_ID_TC2, | |
659 | .end = AT91SAM9260_ID_TC2, | |
660 | .flags = IORESOURCE_IRQ, | |
661 | }, | |
662 | }; | |
663 | ||
664 | static struct platform_device at91sam9260_tcb0_device = { | |
665 | .name = "atmel_tcb", | |
666 | .id = 0, | |
667 | .resource = tcb0_resources, | |
668 | .num_resources = ARRAY_SIZE(tcb0_resources), | |
669 | }; | |
670 | ||
671 | static struct resource tcb1_resources[] = { | |
672 | [0] = { | |
673 | .start = AT91SAM9260_BASE_TCB1, | |
674 | .end = AT91SAM9260_BASE_TCB1 + SZ_16K - 1, | |
675 | .flags = IORESOURCE_MEM, | |
676 | }, | |
677 | [1] = { | |
678 | .start = AT91SAM9260_ID_TC3, | |
679 | .end = AT91SAM9260_ID_TC3, | |
680 | .flags = IORESOURCE_IRQ, | |
681 | }, | |
682 | [2] = { | |
683 | .start = AT91SAM9260_ID_TC4, | |
684 | .end = AT91SAM9260_ID_TC4, | |
685 | .flags = IORESOURCE_IRQ, | |
686 | }, | |
687 | [3] = { | |
688 | .start = AT91SAM9260_ID_TC5, | |
689 | .end = AT91SAM9260_ID_TC5, | |
690 | .flags = IORESOURCE_IRQ, | |
691 | }, | |
692 | }; | |
693 | ||
694 | static struct platform_device at91sam9260_tcb1_device = { | |
695 | .name = "atmel_tcb", | |
696 | .id = 1, | |
697 | .resource = tcb1_resources, | |
698 | .num_resources = ARRAY_SIZE(tcb1_resources), | |
699 | }; | |
700 | ||
701 | static void __init at91_add_device_tc(void) | |
702 | { | |
e5f40bfa | 703 | platform_device_register(&at91sam9260_tcb0_device); |
e5f40bfa AV |
704 | platform_device_register(&at91sam9260_tcb1_device); |
705 | } | |
706 | #else | |
707 | static void __init at91_add_device_tc(void) { } | |
708 | #endif | |
709 | ||
710 | ||
884f5a6a AV |
711 | /* -------------------------------------------------------------------- |
712 | * RTT | |
713 | * -------------------------------------------------------------------- */ | |
714 | ||
715 | static struct resource rtt_resources[] = { | |
716 | { | |
717 | .start = AT91_BASE_SYS + AT91_RTT, | |
718 | .end = AT91_BASE_SYS + AT91_RTT + SZ_16 - 1, | |
719 | .flags = IORESOURCE_MEM, | |
720 | } | |
721 | }; | |
722 | ||
723 | static struct platform_device at91sam9260_rtt_device = { | |
724 | .name = "at91_rtt", | |
4fd9212c | 725 | .id = 0, |
884f5a6a AV |
726 | .resource = rtt_resources, |
727 | .num_resources = ARRAY_SIZE(rtt_resources), | |
728 | }; | |
729 | ||
730 | static void __init at91_add_device_rtt(void) | |
731 | { | |
732 | platform_device_register(&at91sam9260_rtt_device); | |
733 | } | |
734 | ||
735 | ||
736 | /* -------------------------------------------------------------------- | |
737 | * Watchdog | |
738 | * -------------------------------------------------------------------- */ | |
739 | ||
2af29b78 | 740 | #if defined(CONFIG_AT91SAM9X_WATCHDOG) || defined(CONFIG_AT91SAM9X_WATCHDOG_MODULE) |
884f5a6a AV |
741 | static struct platform_device at91sam9260_wdt_device = { |
742 | .name = "at91_wdt", | |
743 | .id = -1, | |
744 | .num_resources = 0, | |
745 | }; | |
746 | ||
747 | static void __init at91_add_device_watchdog(void) | |
748 | { | |
749 | platform_device_register(&at91sam9260_wdt_device); | |
750 | } | |
751 | #else | |
752 | static void __init at91_add_device_watchdog(void) {} | |
753 | #endif | |
754 | ||
755 | ||
bfbc3266 AV |
756 | /* -------------------------------------------------------------------- |
757 | * SSC -- Synchronous Serial Controller | |
758 | * -------------------------------------------------------------------- */ | |
759 | ||
760 | #if defined(CONFIG_ATMEL_SSC) || defined(CONFIG_ATMEL_SSC_MODULE) | |
761 | static u64 ssc_dmamask = DMA_BIT_MASK(32); | |
762 | ||
763 | static struct resource ssc_resources[] = { | |
764 | [0] = { | |
765 | .start = AT91SAM9260_BASE_SSC, | |
766 | .end = AT91SAM9260_BASE_SSC + SZ_16K - 1, | |
767 | .flags = IORESOURCE_MEM, | |
768 | }, | |
769 | [1] = { | |
770 | .start = AT91SAM9260_ID_SSC, | |
771 | .end = AT91SAM9260_ID_SSC, | |
772 | .flags = IORESOURCE_IRQ, | |
773 | }, | |
774 | }; | |
775 | ||
776 | static struct platform_device at91sam9260_ssc_device = { | |
777 | .name = "ssc", | |
778 | .id = 0, | |
779 | .dev = { | |
780 | .dma_mask = &ssc_dmamask, | |
781 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
782 | }, | |
783 | .resource = ssc_resources, | |
784 | .num_resources = ARRAY_SIZE(ssc_resources), | |
785 | }; | |
786 | ||
787 | static inline void configure_ssc_pins(unsigned pins) | |
788 | { | |
789 | if (pins & ATMEL_SSC_TF) | |
790 | at91_set_A_periph(AT91_PIN_PB17, 1); | |
791 | if (pins & ATMEL_SSC_TK) | |
792 | at91_set_A_periph(AT91_PIN_PB16, 1); | |
793 | if (pins & ATMEL_SSC_TD) | |
794 | at91_set_A_periph(AT91_PIN_PB18, 1); | |
795 | if (pins & ATMEL_SSC_RD) | |
796 | at91_set_A_periph(AT91_PIN_PB19, 1); | |
797 | if (pins & ATMEL_SSC_RK) | |
798 | at91_set_A_periph(AT91_PIN_PB20, 1); | |
799 | if (pins & ATMEL_SSC_RF) | |
800 | at91_set_A_periph(AT91_PIN_PB21, 1); | |
801 | } | |
802 | ||
803 | /* | |
804 | * SSC controllers are accessed through library code, instead of any | |
805 | * kind of all-singing/all-dancing driver. For example one could be | |
806 | * used by a particular I2S audio codec's driver, while another one | |
807 | * on the same system might be used by a custom data capture driver. | |
808 | */ | |
809 | void __init at91_add_device_ssc(unsigned id, unsigned pins) | |
810 | { | |
811 | struct platform_device *pdev; | |
812 | ||
813 | /* | |
814 | * NOTE: caller is responsible for passing information matching | |
815 | * "pins" to whatever will be using each particular controller. | |
816 | */ | |
817 | switch (id) { | |
818 | case AT91SAM9260_ID_SSC: | |
819 | pdev = &at91sam9260_ssc_device; | |
820 | configure_ssc_pins(pins); | |
bfbc3266 AV |
821 | break; |
822 | default: | |
823 | return; | |
824 | } | |
825 | ||
826 | platform_device_register(pdev); | |
827 | } | |
828 | ||
829 | #else | |
830 | void __init at91_add_device_ssc(unsigned id, unsigned pins) {} | |
831 | #endif | |
832 | ||
833 | ||
86ad76bb AV |
834 | /* -------------------------------------------------------------------- |
835 | * UART | |
836 | * -------------------------------------------------------------------- */ | |
837 | #if defined(CONFIG_SERIAL_ATMEL) | |
838 | static struct resource dbgu_resources[] = { | |
839 | [0] = { | |
840 | .start = AT91_VA_BASE_SYS + AT91_DBGU, | |
841 | .end = AT91_VA_BASE_SYS + AT91_DBGU + SZ_512 - 1, | |
842 | .flags = IORESOURCE_MEM, | |
843 | }, | |
844 | [1] = { | |
845 | .start = AT91_ID_SYS, | |
846 | .end = AT91_ID_SYS, | |
847 | .flags = IORESOURCE_IRQ, | |
848 | }, | |
849 | }; | |
850 | ||
851 | static struct atmel_uart_data dbgu_data = { | |
852 | .use_dma_tx = 0, | |
853 | .use_dma_rx = 0, /* DBGU not capable of receive DMA */ | |
854 | .regs = (void __iomem *)(AT91_VA_BASE_SYS + AT91_DBGU), | |
855 | }; | |
856 | ||
c6686ff9 AV |
857 | static u64 dbgu_dmamask = DMA_BIT_MASK(32); |
858 | ||
86ad76bb AV |
859 | static struct platform_device at91sam9260_dbgu_device = { |
860 | .name = "atmel_usart", | |
861 | .id = 0, | |
862 | .dev = { | |
c6686ff9 AV |
863 | .dma_mask = &dbgu_dmamask, |
864 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
865 | .platform_data = &dbgu_data, | |
86ad76bb AV |
866 | }, |
867 | .resource = dbgu_resources, | |
868 | .num_resources = ARRAY_SIZE(dbgu_resources), | |
869 | }; | |
870 | ||
871 | static inline void configure_dbgu_pins(void) | |
872 | { | |
873 | at91_set_A_periph(AT91_PIN_PB14, 0); /* DRXD */ | |
874 | at91_set_A_periph(AT91_PIN_PB15, 1); /* DTXD */ | |
875 | } | |
876 | ||
877 | static struct resource uart0_resources[] = { | |
878 | [0] = { | |
879 | .start = AT91SAM9260_BASE_US0, | |
880 | .end = AT91SAM9260_BASE_US0 + SZ_16K - 1, | |
881 | .flags = IORESOURCE_MEM, | |
882 | }, | |
883 | [1] = { | |
884 | .start = AT91SAM9260_ID_US0, | |
885 | .end = AT91SAM9260_ID_US0, | |
886 | .flags = IORESOURCE_IRQ, | |
887 | }, | |
888 | }; | |
889 | ||
890 | static struct atmel_uart_data uart0_data = { | |
891 | .use_dma_tx = 1, | |
892 | .use_dma_rx = 1, | |
893 | }; | |
894 | ||
c6686ff9 AV |
895 | static u64 uart0_dmamask = DMA_BIT_MASK(32); |
896 | ||
86ad76bb AV |
897 | static struct platform_device at91sam9260_uart0_device = { |
898 | .name = "atmel_usart", | |
899 | .id = 1, | |
900 | .dev = { | |
c6686ff9 AV |
901 | .dma_mask = &uart0_dmamask, |
902 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
903 | .platform_data = &uart0_data, | |
86ad76bb AV |
904 | }, |
905 | .resource = uart0_resources, | |
906 | .num_resources = ARRAY_SIZE(uart0_resources), | |
907 | }; | |
908 | ||
c8f385a6 | 909 | static inline void configure_usart0_pins(unsigned pins) |
86ad76bb AV |
910 | { |
911 | at91_set_A_periph(AT91_PIN_PB4, 1); /* TXD0 */ | |
912 | at91_set_A_periph(AT91_PIN_PB5, 0); /* RXD0 */ | |
c8f385a6 AV |
913 | |
914 | if (pins & ATMEL_UART_RTS) | |
915 | at91_set_A_periph(AT91_PIN_PB26, 0); /* RTS0 */ | |
916 | if (pins & ATMEL_UART_CTS) | |
917 | at91_set_A_periph(AT91_PIN_PB27, 0); /* CTS0 */ | |
918 | if (pins & ATMEL_UART_DTR) | |
919 | at91_set_A_periph(AT91_PIN_PB24, 0); /* DTR0 */ | |
920 | if (pins & ATMEL_UART_DSR) | |
921 | at91_set_A_periph(AT91_PIN_PB22, 0); /* DSR0 */ | |
922 | if (pins & ATMEL_UART_DCD) | |
923 | at91_set_A_periph(AT91_PIN_PB23, 0); /* DCD0 */ | |
924 | if (pins & ATMEL_UART_RI) | |
925 | at91_set_A_periph(AT91_PIN_PB25, 0); /* RI0 */ | |
86ad76bb AV |
926 | } |
927 | ||
928 | static struct resource uart1_resources[] = { | |
929 | [0] = { | |
930 | .start = AT91SAM9260_BASE_US1, | |
931 | .end = AT91SAM9260_BASE_US1 + SZ_16K - 1, | |
932 | .flags = IORESOURCE_MEM, | |
933 | }, | |
934 | [1] = { | |
935 | .start = AT91SAM9260_ID_US1, | |
936 | .end = AT91SAM9260_ID_US1, | |
937 | .flags = IORESOURCE_IRQ, | |
938 | }, | |
939 | }; | |
940 | ||
941 | static struct atmel_uart_data uart1_data = { | |
942 | .use_dma_tx = 1, | |
943 | .use_dma_rx = 1, | |
944 | }; | |
945 | ||
c6686ff9 AV |
946 | static u64 uart1_dmamask = DMA_BIT_MASK(32); |
947 | ||
86ad76bb AV |
948 | static struct platform_device at91sam9260_uart1_device = { |
949 | .name = "atmel_usart", | |
950 | .id = 2, | |
951 | .dev = { | |
c6686ff9 AV |
952 | .dma_mask = &uart1_dmamask, |
953 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
954 | .platform_data = &uart1_data, | |
86ad76bb AV |
955 | }, |
956 | .resource = uart1_resources, | |
957 | .num_resources = ARRAY_SIZE(uart1_resources), | |
958 | }; | |
959 | ||
c8f385a6 | 960 | static inline void configure_usart1_pins(unsigned pins) |
86ad76bb AV |
961 | { |
962 | at91_set_A_periph(AT91_PIN_PB6, 1); /* TXD1 */ | |
963 | at91_set_A_periph(AT91_PIN_PB7, 0); /* RXD1 */ | |
c8f385a6 AV |
964 | |
965 | if (pins & ATMEL_UART_RTS) | |
966 | at91_set_A_periph(AT91_PIN_PB28, 0); /* RTS1 */ | |
967 | if (pins & ATMEL_UART_CTS) | |
968 | at91_set_A_periph(AT91_PIN_PB29, 0); /* CTS1 */ | |
86ad76bb AV |
969 | } |
970 | ||
971 | static struct resource uart2_resources[] = { | |
972 | [0] = { | |
973 | .start = AT91SAM9260_BASE_US2, | |
974 | .end = AT91SAM9260_BASE_US2 + SZ_16K - 1, | |
975 | .flags = IORESOURCE_MEM, | |
976 | }, | |
977 | [1] = { | |
978 | .start = AT91SAM9260_ID_US2, | |
979 | .end = AT91SAM9260_ID_US2, | |
980 | .flags = IORESOURCE_IRQ, | |
981 | }, | |
982 | }; | |
983 | ||
984 | static struct atmel_uart_data uart2_data = { | |
985 | .use_dma_tx = 1, | |
986 | .use_dma_rx = 1, | |
987 | }; | |
988 | ||
c6686ff9 AV |
989 | static u64 uart2_dmamask = DMA_BIT_MASK(32); |
990 | ||
86ad76bb AV |
991 | static struct platform_device at91sam9260_uart2_device = { |
992 | .name = "atmel_usart", | |
993 | .id = 3, | |
994 | .dev = { | |
c6686ff9 AV |
995 | .dma_mask = &uart2_dmamask, |
996 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
997 | .platform_data = &uart2_data, | |
86ad76bb AV |
998 | }, |
999 | .resource = uart2_resources, | |
1000 | .num_resources = ARRAY_SIZE(uart2_resources), | |
1001 | }; | |
1002 | ||
c8f385a6 | 1003 | static inline void configure_usart2_pins(unsigned pins) |
86ad76bb AV |
1004 | { |
1005 | at91_set_A_periph(AT91_PIN_PB8, 1); /* TXD2 */ | |
1006 | at91_set_A_periph(AT91_PIN_PB9, 0); /* RXD2 */ | |
c8f385a6 AV |
1007 | |
1008 | if (pins & ATMEL_UART_RTS) | |
1009 | at91_set_A_periph(AT91_PIN_PA4, 0); /* RTS2 */ | |
1010 | if (pins & ATMEL_UART_CTS) | |
1011 | at91_set_A_periph(AT91_PIN_PA5, 0); /* CTS2 */ | |
86ad76bb AV |
1012 | } |
1013 | ||
1014 | static struct resource uart3_resources[] = { | |
1015 | [0] = { | |
1016 | .start = AT91SAM9260_BASE_US3, | |
1017 | .end = AT91SAM9260_BASE_US3 + SZ_16K - 1, | |
1018 | .flags = IORESOURCE_MEM, | |
1019 | }, | |
1020 | [1] = { | |
1021 | .start = AT91SAM9260_ID_US3, | |
1022 | .end = AT91SAM9260_ID_US3, | |
1023 | .flags = IORESOURCE_IRQ, | |
1024 | }, | |
1025 | }; | |
1026 | ||
1027 | static struct atmel_uart_data uart3_data = { | |
1028 | .use_dma_tx = 1, | |
1029 | .use_dma_rx = 1, | |
1030 | }; | |
1031 | ||
c6686ff9 AV |
1032 | static u64 uart3_dmamask = DMA_BIT_MASK(32); |
1033 | ||
86ad76bb AV |
1034 | static struct platform_device at91sam9260_uart3_device = { |
1035 | .name = "atmel_usart", | |
1036 | .id = 4, | |
1037 | .dev = { | |
c6686ff9 AV |
1038 | .dma_mask = &uart3_dmamask, |
1039 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
1040 | .platform_data = &uart3_data, | |
86ad76bb AV |
1041 | }, |
1042 | .resource = uart3_resources, | |
1043 | .num_resources = ARRAY_SIZE(uart3_resources), | |
1044 | }; | |
1045 | ||
c8f385a6 | 1046 | static inline void configure_usart3_pins(unsigned pins) |
86ad76bb AV |
1047 | { |
1048 | at91_set_A_periph(AT91_PIN_PB10, 1); /* TXD3 */ | |
1049 | at91_set_A_periph(AT91_PIN_PB11, 0); /* RXD3 */ | |
c8f385a6 AV |
1050 | |
1051 | if (pins & ATMEL_UART_RTS) | |
1052 | at91_set_B_periph(AT91_PIN_PC8, 0); /* RTS3 */ | |
1053 | if (pins & ATMEL_UART_CTS) | |
1054 | at91_set_B_periph(AT91_PIN_PC10, 0); /* CTS3 */ | |
86ad76bb AV |
1055 | } |
1056 | ||
1057 | static struct resource uart4_resources[] = { | |
1058 | [0] = { | |
1059 | .start = AT91SAM9260_BASE_US4, | |
1060 | .end = AT91SAM9260_BASE_US4 + SZ_16K - 1, | |
1061 | .flags = IORESOURCE_MEM, | |
1062 | }, | |
1063 | [1] = { | |
1064 | .start = AT91SAM9260_ID_US4, | |
1065 | .end = AT91SAM9260_ID_US4, | |
1066 | .flags = IORESOURCE_IRQ, | |
1067 | }, | |
1068 | }; | |
1069 | ||
1070 | static struct atmel_uart_data uart4_data = { | |
1071 | .use_dma_tx = 1, | |
1072 | .use_dma_rx = 1, | |
1073 | }; | |
1074 | ||
c6686ff9 AV |
1075 | static u64 uart4_dmamask = DMA_BIT_MASK(32); |
1076 | ||
86ad76bb AV |
1077 | static struct platform_device at91sam9260_uart4_device = { |
1078 | .name = "atmel_usart", | |
1079 | .id = 5, | |
1080 | .dev = { | |
c6686ff9 AV |
1081 | .dma_mask = &uart4_dmamask, |
1082 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
1083 | .platform_data = &uart4_data, | |
86ad76bb AV |
1084 | }, |
1085 | .resource = uart4_resources, | |
1086 | .num_resources = ARRAY_SIZE(uart4_resources), | |
1087 | }; | |
1088 | ||
1089 | static inline void configure_usart4_pins(void) | |
1090 | { | |
1091 | at91_set_B_periph(AT91_PIN_PA31, 1); /* TXD4 */ | |
1092 | at91_set_B_periph(AT91_PIN_PA30, 0); /* RXD4 */ | |
1093 | } | |
1094 | ||
1095 | static struct resource uart5_resources[] = { | |
1096 | [0] = { | |
1097 | .start = AT91SAM9260_BASE_US5, | |
1098 | .end = AT91SAM9260_BASE_US5 + SZ_16K - 1, | |
1099 | .flags = IORESOURCE_MEM, | |
1100 | }, | |
1101 | [1] = { | |
1102 | .start = AT91SAM9260_ID_US5, | |
1103 | .end = AT91SAM9260_ID_US5, | |
1104 | .flags = IORESOURCE_IRQ, | |
1105 | }, | |
1106 | }; | |
1107 | ||
1108 | static struct atmel_uart_data uart5_data = { | |
1109 | .use_dma_tx = 1, | |
1110 | .use_dma_rx = 1, | |
1111 | }; | |
1112 | ||
c6686ff9 AV |
1113 | static u64 uart5_dmamask = DMA_BIT_MASK(32); |
1114 | ||
86ad76bb AV |
1115 | static struct platform_device at91sam9260_uart5_device = { |
1116 | .name = "atmel_usart", | |
1117 | .id = 6, | |
1118 | .dev = { | |
c6686ff9 AV |
1119 | .dma_mask = &uart5_dmamask, |
1120 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
1121 | .platform_data = &uart5_data, | |
86ad76bb AV |
1122 | }, |
1123 | .resource = uart5_resources, | |
1124 | .num_resources = ARRAY_SIZE(uart5_resources), | |
1125 | }; | |
1126 | ||
1127 | static inline void configure_usart5_pins(void) | |
1128 | { | |
1129 | at91_set_A_periph(AT91_PIN_PB12, 1); /* TXD5 */ | |
1130 | at91_set_A_periph(AT91_PIN_PB13, 0); /* RXD5 */ | |
1131 | } | |
1132 | ||
11aadac4 | 1133 | static struct platform_device *__initdata at91_uarts[ATMEL_MAX_UART]; /* the UARTs to use */ |
86ad76bb AV |
1134 | struct platform_device *atmel_default_console_device; /* the serial console device */ |
1135 | ||
c8f385a6 AV |
1136 | void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins) |
1137 | { | |
1138 | struct platform_device *pdev; | |
2b348e2f | 1139 | struct atmel_uart_data *pdata; |
c8f385a6 AV |
1140 | |
1141 | switch (id) { | |
1142 | case 0: /* DBGU */ | |
1143 | pdev = &at91sam9260_dbgu_device; | |
1144 | configure_dbgu_pins(); | |
c8f385a6 AV |
1145 | break; |
1146 | case AT91SAM9260_ID_US0: | |
1147 | pdev = &at91sam9260_uart0_device; | |
1148 | configure_usart0_pins(pins); | |
c8f385a6 AV |
1149 | break; |
1150 | case AT91SAM9260_ID_US1: | |
1151 | pdev = &at91sam9260_uart1_device; | |
1152 | configure_usart1_pins(pins); | |
c8f385a6 AV |
1153 | break; |
1154 | case AT91SAM9260_ID_US2: | |
1155 | pdev = &at91sam9260_uart2_device; | |
1156 | configure_usart2_pins(pins); | |
c8f385a6 AV |
1157 | break; |
1158 | case AT91SAM9260_ID_US3: | |
1159 | pdev = &at91sam9260_uart3_device; | |
1160 | configure_usart3_pins(pins); | |
c8f385a6 AV |
1161 | break; |
1162 | case AT91SAM9260_ID_US4: | |
1163 | pdev = &at91sam9260_uart4_device; | |
1164 | configure_usart4_pins(); | |
c8f385a6 AV |
1165 | break; |
1166 | case AT91SAM9260_ID_US5: | |
1167 | pdev = &at91sam9260_uart5_device; | |
1168 | configure_usart5_pins(); | |
c8f385a6 AV |
1169 | break; |
1170 | default: | |
1171 | return; | |
1172 | } | |
2b348e2f JCPV |
1173 | pdata = pdev->dev.platform_data; |
1174 | pdata->num = portnr; /* update to mapped ID */ | |
c8f385a6 AV |
1175 | |
1176 | if (portnr < ATMEL_MAX_UART) | |
1177 | at91_uarts[portnr] = pdev; | |
1178 | } | |
1179 | ||
1180 | void __init at91_set_serial_console(unsigned portnr) | |
1181 | { | |
bd602995 | 1182 | if (portnr < ATMEL_MAX_UART) { |
c8f385a6 | 1183 | atmel_default_console_device = at91_uarts[portnr]; |
5c1f9668 | 1184 | at91sam9260_set_console_clock(at91_uarts[portnr]->id); |
bd602995 | 1185 | } |
c8f385a6 AV |
1186 | } |
1187 | ||
86ad76bb AV |
1188 | void __init at91_add_device_serial(void) |
1189 | { | |
1190 | int i; | |
1191 | ||
1192 | for (i = 0; i < ATMEL_MAX_UART; i++) { | |
1193 | if (at91_uarts[i]) | |
1194 | platform_device_register(at91_uarts[i]); | |
1195 | } | |
11aadac4 AV |
1196 | |
1197 | if (!atmel_default_console_device) | |
1198 | printk(KERN_INFO "AT91: No default serial console defined.\n"); | |
86ad76bb AV |
1199 | } |
1200 | #else | |
c8f385a6 AV |
1201 | void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins) {} |
1202 | void __init at91_set_serial_console(unsigned portnr) {} | |
86ad76bb AV |
1203 | void __init at91_add_device_serial(void) {} |
1204 | #endif | |
1205 | ||
fb85205a SM |
1206 | /* -------------------------------------------------------------------- |
1207 | * CF/IDE | |
1208 | * -------------------------------------------------------------------- */ | |
1209 | ||
1210 | #if defined(CONFIG_BLK_DEV_IDE_AT91) || defined(CONFIG_BLK_DEV_IDE_AT91_MODULE) || \ | |
1211 | defined(CONFIG_PATA_AT91) || defined(CONFIG_PATA_AT91_MODULE) || \ | |
1212 | defined(CONFIG_AT91_CF) || defined(CONFIG_AT91_CF_MODULE) | |
1213 | ||
1214 | static struct at91_cf_data cf0_data; | |
1215 | ||
1216 | static struct resource cf0_resources[] = { | |
1217 | [0] = { | |
1218 | .start = AT91_CHIPSELECT_4, | |
1219 | .end = AT91_CHIPSELECT_4 + SZ_256M - 1, | |
1220 | .flags = IORESOURCE_MEM, | |
1221 | } | |
1222 | }; | |
1223 | ||
1224 | static struct platform_device cf0_device = { | |
1225 | .id = 0, | |
1226 | .dev = { | |
1227 | .platform_data = &cf0_data, | |
1228 | }, | |
1229 | .resource = cf0_resources, | |
1230 | .num_resources = ARRAY_SIZE(cf0_resources), | |
1231 | }; | |
1232 | ||
1233 | static struct at91_cf_data cf1_data; | |
1234 | ||
1235 | static struct resource cf1_resources[] = { | |
1236 | [0] = { | |
1237 | .start = AT91_CHIPSELECT_5, | |
1238 | .end = AT91_CHIPSELECT_5 + SZ_256M - 1, | |
1239 | .flags = IORESOURCE_MEM, | |
1240 | } | |
1241 | }; | |
1242 | ||
1243 | static struct platform_device cf1_device = { | |
1244 | .id = 1, | |
1245 | .dev = { | |
1246 | .platform_data = &cf1_data, | |
1247 | }, | |
1248 | .resource = cf1_resources, | |
1249 | .num_resources = ARRAY_SIZE(cf1_resources), | |
1250 | }; | |
1251 | ||
1252 | void __init at91_add_device_cf(struct at91_cf_data *data) | |
1253 | { | |
1254 | struct platform_device *pdev; | |
1255 | unsigned long csa; | |
1256 | ||
1257 | if (!data) | |
1258 | return; | |
1259 | ||
1260 | csa = at91_sys_read(AT91_MATRIX_EBICSA); | |
1261 | ||
1262 | switch (data->chipselect) { | |
1263 | case 4: | |
1264 | at91_set_multi_drive(AT91_PIN_PC8, 0); | |
1265 | at91_set_A_periph(AT91_PIN_PC8, 0); | |
1266 | csa |= AT91_MATRIX_CS4A_SMC_CF1; | |
1267 | cf0_data = *data; | |
1268 | pdev = &cf0_device; | |
1269 | break; | |
1270 | case 5: | |
1271 | at91_set_multi_drive(AT91_PIN_PC9, 0); | |
1272 | at91_set_A_periph(AT91_PIN_PC9, 0); | |
1273 | csa |= AT91_MATRIX_CS5A_SMC_CF2; | |
1274 | cf1_data = *data; | |
1275 | pdev = &cf1_device; | |
1276 | break; | |
1277 | default: | |
1278 | printk(KERN_ERR "AT91 CF: bad chip-select requested (%u)\n", | |
1279 | data->chipselect); | |
1280 | return; | |
1281 | } | |
1282 | ||
1283 | at91_sys_write(AT91_MATRIX_EBICSA, csa); | |
1284 | ||
1285 | if (data->rst_pin) { | |
1286 | at91_set_multi_drive(data->rst_pin, 0); | |
1287 | at91_set_gpio_output(data->rst_pin, 1); | |
1288 | } | |
1289 | ||
1290 | if (data->irq_pin) { | |
1291 | at91_set_gpio_input(data->irq_pin, 0); | |
1292 | at91_set_deglitch(data->irq_pin, 1); | |
1293 | } | |
1294 | ||
1295 | if (data->det_pin) { | |
1296 | at91_set_gpio_input(data->det_pin, 0); | |
1297 | at91_set_deglitch(data->det_pin, 1); | |
1298 | } | |
1299 | ||
1300 | at91_set_B_periph(AT91_PIN_PC6, 0); /* CFCE1 */ | |
1301 | at91_set_B_periph(AT91_PIN_PC7, 0); /* CFCE2 */ | |
1302 | at91_set_A_periph(AT91_PIN_PC10, 0); /* CFRNW */ | |
1303 | at91_set_A_periph(AT91_PIN_PC15, 1); /* NWAIT */ | |
1304 | ||
1305 | if (data->flags & AT91_CF_TRUE_IDE) | |
1306 | #if defined(CONFIG_PATA_AT91) || defined(CONFIG_PATA_AT91_MODULE) | |
1307 | pdev->name = "pata_at91"; | |
1308 | #elif defined(CONFIG_BLK_DEV_IDE_AT91) || defined(CONFIG_BLK_DEV_IDE_AT91_MODULE) | |
1309 | pdev->name = "at91_ide"; | |
1310 | #else | |
1311 | #warning "board requires AT91_CF_TRUE_IDE: enable either at91_ide or pata_at91" | |
1312 | #endif | |
1313 | else | |
1314 | pdev->name = "at91_cf"; | |
1315 | ||
1316 | platform_device_register(pdev); | |
1317 | } | |
1318 | ||
1319 | #else | |
1320 | void __init at91_add_device_cf(struct at91_cf_data * data) {} | |
1321 | #endif | |
86ad76bb AV |
1322 | |
1323 | /* -------------------------------------------------------------------- */ | |
1324 | /* | |
1325 | * These devices are always present and don't need any board-specific | |
1326 | * setup. | |
1327 | */ | |
1328 | static int __init at91_add_standard_devices(void) | |
1329 | { | |
884f5a6a AV |
1330 | at91_add_device_rtt(); |
1331 | at91_add_device_watchdog(); | |
e5f40bfa | 1332 | at91_add_device_tc(); |
86ad76bb AV |
1333 | return 0; |
1334 | } | |
1335 | ||
1336 | arch_initcall(at91_add_standard_devices); |