Commit | Line | Data |
---|---|---|
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 | |
67b5d7b3 MR |
20 | #include <linux/platform_data/at91_adc.h> |
21 | ||
a09e64fb | 22 | #include <mach/board.h> |
a09e64fb RK |
23 | #include <mach/cpu.h> |
24 | #include <mach/at91sam9260.h> | |
25 | #include <mach/at91sam9260_matrix.h> | |
4342d647 | 26 | #include <mach/at91_matrix.h> |
a09e64fb | 27 | #include <mach/at91sam9_smc.h> |
67b5d7b3 | 28 | #include <mach/at91_adc.h> |
86ad76bb AV |
29 | |
30 | #include "generic.h" | |
31 | ||
86ad76bb AV |
32 | |
33 | /* -------------------------------------------------------------------- | |
34 | * USB Host | |
35 | * -------------------------------------------------------------------- */ | |
36 | ||
37 | #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) | |
c6686ff9 | 38 | static u64 ohci_dmamask = DMA_BIT_MASK(32); |
86ad76bb AV |
39 | static struct at91_usbh_data usbh_data; |
40 | ||
41 | static struct resource usbh_resources[] = { | |
42 | [0] = { | |
43 | .start = AT91SAM9260_UHP_BASE, | |
44 | .end = AT91SAM9260_UHP_BASE + SZ_1M - 1, | |
45 | .flags = IORESOURCE_MEM, | |
46 | }, | |
47 | [1] = { | |
8fe82a55 LD |
48 | .start = NR_IRQS_LEGACY + AT91SAM9260_ID_UHP, |
49 | .end = NR_IRQS_LEGACY + AT91SAM9260_ID_UHP, | |
86ad76bb AV |
50 | .flags = IORESOURCE_IRQ, |
51 | }, | |
52 | }; | |
53 | ||
54 | static struct platform_device at91_usbh_device = { | |
55 | .name = "at91_ohci", | |
56 | .id = -1, | |
57 | .dev = { | |
58 | .dma_mask = &ohci_dmamask, | |
c6686ff9 | 59 | .coherent_dma_mask = DMA_BIT_MASK(32), |
86ad76bb AV |
60 | .platform_data = &usbh_data, |
61 | }, | |
62 | .resource = usbh_resources, | |
63 | .num_resources = ARRAY_SIZE(usbh_resources), | |
64 | }; | |
65 | ||
66 | void __init at91_add_device_usbh(struct at91_usbh_data *data) | |
67 | { | |
1fcaea7e TP |
68 | int i; |
69 | ||
86ad76bb AV |
70 | if (!data) |
71 | return; | |
72 | ||
1fcaea7e TP |
73 | /* Enable overcurrent notification */ |
74 | for (i = 0; i < data->ports; i++) { | |
75 | if (data->overcurrent_pin[i]) | |
76 | at91_set_gpio_input(data->overcurrent_pin[i], 1); | |
77 | } | |
78 | ||
86ad76bb AV |
79 | usbh_data = *data; |
80 | platform_device_register(&at91_usbh_device); | |
81 | } | |
82 | #else | |
83 | void __init at91_add_device_usbh(struct at91_usbh_data *data) {} | |
84 | #endif | |
85 | ||
86 | ||
87 | /* -------------------------------------------------------------------- | |
88 | * USB Device (Gadget) | |
89 | * -------------------------------------------------------------------- */ | |
90 | ||
e8c9dc93 | 91 | #if defined(CONFIG_USB_AT91) || defined(CONFIG_USB_AT91_MODULE) |
86ad76bb AV |
92 | static struct at91_udc_data udc_data; |
93 | ||
94 | static struct resource udc_resources[] = { | |
95 | [0] = { | |
96 | .start = AT91SAM9260_BASE_UDP, | |
97 | .end = AT91SAM9260_BASE_UDP + SZ_16K - 1, | |
98 | .flags = IORESOURCE_MEM, | |
99 | }, | |
100 | [1] = { | |
8fe82a55 LD |
101 | .start = NR_IRQS_LEGACY + AT91SAM9260_ID_UDP, |
102 | .end = NR_IRQS_LEGACY + AT91SAM9260_ID_UDP, | |
86ad76bb AV |
103 | .flags = IORESOURCE_IRQ, |
104 | }, | |
105 | }; | |
106 | ||
107 | static struct platform_device at91_udc_device = { | |
108 | .name = "at91_udc", | |
109 | .id = -1, | |
110 | .dev = { | |
111 | .platform_data = &udc_data, | |
112 | }, | |
113 | .resource = udc_resources, | |
114 | .num_resources = ARRAY_SIZE(udc_resources), | |
115 | }; | |
116 | ||
117 | void __init at91_add_device_udc(struct at91_udc_data *data) | |
118 | { | |
119 | if (!data) | |
120 | return; | |
121 | ||
cc9f9aef | 122 | if (gpio_is_valid(data->vbus_pin)) { |
86ad76bb AV |
123 | at91_set_gpio_input(data->vbus_pin, 0); |
124 | at91_set_deglitch(data->vbus_pin, 1); | |
125 | } | |
126 | ||
127 | /* Pullup pin is handled internally by USB device peripheral */ | |
128 | ||
129 | udc_data = *data; | |
130 | platform_device_register(&at91_udc_device); | |
131 | } | |
132 | #else | |
133 | void __init at91_add_device_udc(struct at91_udc_data *data) {} | |
134 | #endif | |
135 | ||
136 | ||
137 | /* -------------------------------------------------------------------- | |
138 | * Ethernet | |
139 | * -------------------------------------------------------------------- */ | |
140 | ||
141 | #if defined(CONFIG_MACB) || defined(CONFIG_MACB_MODULE) | |
c6686ff9 | 142 | static u64 eth_dmamask = DMA_BIT_MASK(32); |
84e0cdb0 | 143 | static struct macb_platform_data eth_data; |
86ad76bb AV |
144 | |
145 | static struct resource eth_resources[] = { | |
146 | [0] = { | |
147 | .start = AT91SAM9260_BASE_EMAC, | |
148 | .end = AT91SAM9260_BASE_EMAC + SZ_16K - 1, | |
149 | .flags = IORESOURCE_MEM, | |
150 | }, | |
151 | [1] = { | |
8fe82a55 LD |
152 | .start = NR_IRQS_LEGACY + AT91SAM9260_ID_EMAC, |
153 | .end = NR_IRQS_LEGACY + AT91SAM9260_ID_EMAC, | |
86ad76bb AV |
154 | .flags = IORESOURCE_IRQ, |
155 | }, | |
156 | }; | |
157 | ||
158 | static struct platform_device at91sam9260_eth_device = { | |
159 | .name = "macb", | |
160 | .id = -1, | |
161 | .dev = { | |
162 | .dma_mask = ð_dmamask, | |
c6686ff9 | 163 | .coherent_dma_mask = DMA_BIT_MASK(32), |
86ad76bb AV |
164 | .platform_data = ð_data, |
165 | }, | |
166 | .resource = eth_resources, | |
167 | .num_resources = ARRAY_SIZE(eth_resources), | |
168 | }; | |
169 | ||
84e0cdb0 | 170 | void __init at91_add_device_eth(struct macb_platform_data *data) |
86ad76bb AV |
171 | { |
172 | if (!data) | |
173 | return; | |
174 | ||
cc9f9aef | 175 | if (gpio_is_valid(data->phy_irq_pin)) { |
86ad76bb AV |
176 | at91_set_gpio_input(data->phy_irq_pin, 0); |
177 | at91_set_deglitch(data->phy_irq_pin, 1); | |
178 | } | |
179 | ||
180 | /* Pins used for MII and RMII */ | |
181 | at91_set_A_periph(AT91_PIN_PA19, 0); /* ETXCK_EREFCK */ | |
182 | at91_set_A_periph(AT91_PIN_PA17, 0); /* ERXDV */ | |
183 | at91_set_A_periph(AT91_PIN_PA14, 0); /* ERX0 */ | |
184 | at91_set_A_periph(AT91_PIN_PA15, 0); /* ERX1 */ | |
185 | at91_set_A_periph(AT91_PIN_PA18, 0); /* ERXER */ | |
186 | at91_set_A_periph(AT91_PIN_PA16, 0); /* ETXEN */ | |
187 | at91_set_A_periph(AT91_PIN_PA12, 0); /* ETX0 */ | |
188 | at91_set_A_periph(AT91_PIN_PA13, 0); /* ETX1 */ | |
189 | at91_set_A_periph(AT91_PIN_PA21, 0); /* EMDIO */ | |
190 | at91_set_A_periph(AT91_PIN_PA20, 0); /* EMDC */ | |
191 | ||
192 | if (!data->is_rmii) { | |
193 | at91_set_B_periph(AT91_PIN_PA28, 0); /* ECRS */ | |
194 | at91_set_B_periph(AT91_PIN_PA29, 0); /* ECOL */ | |
195 | at91_set_B_periph(AT91_PIN_PA25, 0); /* ERX2 */ | |
196 | at91_set_B_periph(AT91_PIN_PA26, 0); /* ERX3 */ | |
197 | at91_set_B_periph(AT91_PIN_PA27, 0); /* ERXCK */ | |
198 | at91_set_B_periph(AT91_PIN_PA23, 0); /* ETX2 */ | |
199 | at91_set_B_periph(AT91_PIN_PA24, 0); /* ETX3 */ | |
200 | at91_set_B_periph(AT91_PIN_PA22, 0); /* ETXER */ | |
201 | } | |
202 | ||
203 | eth_data = *data; | |
204 | platform_device_register(&at91sam9260_eth_device); | |
205 | } | |
206 | #else | |
84e0cdb0 | 207 | void __init at91_add_device_eth(struct macb_platform_data *data) {} |
86ad76bb AV |
208 | #endif |
209 | ||
210 | ||
211 | /* -------------------------------------------------------------------- | |
212 | * MMC / SD | |
213 | * -------------------------------------------------------------------- */ | |
214 | ||
215 | #if defined(CONFIG_MMC_AT91) || defined(CONFIG_MMC_AT91_MODULE) | |
c6686ff9 | 216 | static u64 mmc_dmamask = DMA_BIT_MASK(32); |
86ad76bb AV |
217 | static struct at91_mmc_data mmc_data; |
218 | ||
219 | static struct resource mmc_resources[] = { | |
220 | [0] = { | |
221 | .start = AT91SAM9260_BASE_MCI, | |
222 | .end = AT91SAM9260_BASE_MCI + SZ_16K - 1, | |
223 | .flags = IORESOURCE_MEM, | |
224 | }, | |
225 | [1] = { | |
8fe82a55 LD |
226 | .start = NR_IRQS_LEGACY + AT91SAM9260_ID_MCI, |
227 | .end = NR_IRQS_LEGACY + AT91SAM9260_ID_MCI, | |
86ad76bb AV |
228 | .flags = IORESOURCE_IRQ, |
229 | }, | |
230 | }; | |
231 | ||
232 | static struct platform_device at91sam9260_mmc_device = { | |
233 | .name = "at91_mci", | |
234 | .id = -1, | |
235 | .dev = { | |
236 | .dma_mask = &mmc_dmamask, | |
c6686ff9 | 237 | .coherent_dma_mask = DMA_BIT_MASK(32), |
86ad76bb AV |
238 | .platform_data = &mmc_data, |
239 | }, | |
240 | .resource = mmc_resources, | |
241 | .num_resources = ARRAY_SIZE(mmc_resources), | |
242 | }; | |
243 | ||
d0760b3b | 244 | void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data) |
86ad76bb AV |
245 | { |
246 | if (!data) | |
247 | return; | |
248 | ||
249 | /* input/irq */ | |
cc9f9aef | 250 | if (gpio_is_valid(data->det_pin)) { |
86ad76bb AV |
251 | at91_set_gpio_input(data->det_pin, 1); |
252 | at91_set_deglitch(data->det_pin, 1); | |
253 | } | |
cc9f9aef | 254 | if (gpio_is_valid(data->wp_pin)) |
86ad76bb | 255 | at91_set_gpio_input(data->wp_pin, 1); |
cc9f9aef | 256 | if (gpio_is_valid(data->vcc_pin)) |
86ad76bb AV |
257 | at91_set_gpio_output(data->vcc_pin, 0); |
258 | ||
259 | /* CLK */ | |
260 | at91_set_A_periph(AT91_PIN_PA8, 0); | |
261 | ||
262 | if (data->slot_b) { | |
263 | /* CMD */ | |
264 | at91_set_B_periph(AT91_PIN_PA1, 1); | |
265 | ||
266 | /* DAT0, maybe DAT1..DAT3 */ | |
267 | at91_set_B_periph(AT91_PIN_PA0, 1); | |
268 | if (data->wire4) { | |
269 | at91_set_B_periph(AT91_PIN_PA5, 1); | |
270 | at91_set_B_periph(AT91_PIN_PA4, 1); | |
271 | at91_set_B_periph(AT91_PIN_PA3, 1); | |
272 | } | |
273 | } else { | |
274 | /* CMD */ | |
275 | at91_set_A_periph(AT91_PIN_PA7, 1); | |
276 | ||
277 | /* DAT0, maybe DAT1..DAT3 */ | |
278 | at91_set_A_periph(AT91_PIN_PA6, 1); | |
279 | if (data->wire4) { | |
280 | at91_set_A_periph(AT91_PIN_PA9, 1); | |
281 | at91_set_A_periph(AT91_PIN_PA10, 1); | |
282 | at91_set_A_periph(AT91_PIN_PA11, 1); | |
283 | } | |
284 | } | |
285 | ||
286 | mmc_data = *data; | |
287 | platform_device_register(&at91sam9260_mmc_device); | |
288 | } | |
289 | #else | |
d0760b3b | 290 | void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data) {} |
86ad76bb AV |
291 | #endif |
292 | ||
864f38eb RE |
293 | /* -------------------------------------------------------------------- |
294 | * MMC / SD Slot for Atmel MCI Driver | |
295 | * -------------------------------------------------------------------- */ | |
296 | ||
297 | #if defined(CONFIG_MMC_ATMELMCI) || defined(CONFIG_MMC_ATMELMCI_MODULE) | |
298 | static u64 mmc_dmamask = DMA_BIT_MASK(32); | |
299 | static struct mci_platform_data mmc_data; | |
300 | ||
301 | static struct resource mmc_resources[] = { | |
302 | [0] = { | |
303 | .start = AT91SAM9260_BASE_MCI, | |
304 | .end = AT91SAM9260_BASE_MCI + SZ_16K - 1, | |
305 | .flags = IORESOURCE_MEM, | |
306 | }, | |
307 | [1] = { | |
8fe82a55 LD |
308 | .start = NR_IRQS_LEGACY + AT91SAM9260_ID_MCI, |
309 | .end = NR_IRQS_LEGACY + AT91SAM9260_ID_MCI, | |
864f38eb RE |
310 | .flags = IORESOURCE_IRQ, |
311 | }, | |
312 | }; | |
313 | ||
314 | static struct platform_device at91sam9260_mmc_device = { | |
315 | .name = "atmel_mci", | |
316 | .id = -1, | |
317 | .dev = { | |
318 | .dma_mask = &mmc_dmamask, | |
319 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
320 | .platform_data = &mmc_data, | |
321 | }, | |
322 | .resource = mmc_resources, | |
323 | .num_resources = ARRAY_SIZE(mmc_resources), | |
324 | }; | |
325 | ||
326 | void __init at91_add_device_mci(short mmc_id, struct mci_platform_data *data) | |
327 | { | |
328 | unsigned int i; | |
329 | unsigned int slot_count = 0; | |
330 | ||
331 | if (!data) | |
332 | return; | |
333 | ||
2c96a293 | 334 | for (i = 0; i < ATMCI_MAX_NR_SLOTS; i++) { |
864f38eb RE |
335 | if (data->slot[i].bus_width) { |
336 | /* input/irq */ | |
cc9f9aef | 337 | if (gpio_is_valid(data->slot[i].detect_pin)) { |
864f38eb RE |
338 | at91_set_gpio_input(data->slot[i].detect_pin, 1); |
339 | at91_set_deglitch(data->slot[i].detect_pin, 1); | |
340 | } | |
cc9f9aef | 341 | if (gpio_is_valid(data->slot[i].wp_pin)) |
864f38eb RE |
342 | at91_set_gpio_input(data->slot[i].wp_pin, 1); |
343 | ||
344 | switch (i) { | |
345 | case 0: | |
346 | /* CMD */ | |
347 | at91_set_A_periph(AT91_PIN_PA7, 1); | |
348 | /* DAT0, maybe DAT1..DAT3 */ | |
349 | at91_set_A_periph(AT91_PIN_PA6, 1); | |
350 | if (data->slot[i].bus_width == 4) { | |
351 | at91_set_A_periph(AT91_PIN_PA9, 1); | |
352 | at91_set_A_periph(AT91_PIN_PA10, 1); | |
353 | at91_set_A_periph(AT91_PIN_PA11, 1); | |
354 | } | |
355 | slot_count++; | |
356 | break; | |
357 | case 1: | |
358 | /* CMD */ | |
359 | at91_set_B_periph(AT91_PIN_PA1, 1); | |
360 | /* DAT0, maybe DAT1..DAT3 */ | |
361 | at91_set_B_periph(AT91_PIN_PA0, 1); | |
362 | if (data->slot[i].bus_width == 4) { | |
363 | at91_set_B_periph(AT91_PIN_PA5, 1); | |
364 | at91_set_B_periph(AT91_PIN_PA4, 1); | |
365 | at91_set_B_periph(AT91_PIN_PA3, 1); | |
366 | } | |
367 | slot_count++; | |
368 | break; | |
369 | default: | |
370 | printk(KERN_ERR | |
371 | "AT91: SD/MMC slot %d not available\n", i); | |
372 | break; | |
373 | } | |
374 | } | |
375 | } | |
376 | ||
377 | if (slot_count) { | |
378 | /* CLK */ | |
379 | at91_set_A_periph(AT91_PIN_PA8, 0); | |
380 | ||
381 | mmc_data = *data; | |
382 | platform_device_register(&at91sam9260_mmc_device); | |
383 | } | |
384 | } | |
385 | #else | |
386 | void __init at91_add_device_mci(short mmc_id, struct mci_platform_data *data) {} | |
387 | #endif | |
388 | ||
86ad76bb AV |
389 | |
390 | /* -------------------------------------------------------------------- | |
391 | * NAND / SmartMedia | |
392 | * -------------------------------------------------------------------- */ | |
393 | ||
f6ed6f78 | 394 | #if defined(CONFIG_MTD_NAND_ATMEL) || defined(CONFIG_MTD_NAND_ATMEL_MODULE) |
3c3796cc | 395 | static struct atmel_nand_data nand_data; |
86ad76bb AV |
396 | |
397 | #define NAND_BASE AT91_CHIPSELECT_3 | |
398 | ||
399 | static struct resource nand_resources[] = { | |
d7a2415f | 400 | [0] = { |
86ad76bb | 401 | .start = NAND_BASE, |
22823558 | 402 | .end = NAND_BASE + SZ_256M - 1, |
86ad76bb | 403 | .flags = IORESOURCE_MEM, |
d7a2415f AV |
404 | }, |
405 | [1] = { | |
d28edd1b JCPV |
406 | .start = AT91SAM9260_BASE_ECC, |
407 | .end = AT91SAM9260_BASE_ECC + SZ_512 - 1, | |
d7a2415f | 408 | .flags = IORESOURCE_MEM, |
86ad76bb AV |
409 | } |
410 | }; | |
411 | ||
412 | static struct platform_device at91sam9260_nand_device = { | |
3c3796cc | 413 | .name = "atmel_nand", |
86ad76bb AV |
414 | .id = -1, |
415 | .dev = { | |
416 | .platform_data = &nand_data, | |
417 | }, | |
418 | .resource = nand_resources, | |
419 | .num_resources = ARRAY_SIZE(nand_resources), | |
420 | }; | |
421 | ||
3c3796cc | 422 | void __init at91_add_device_nand(struct atmel_nand_data *data) |
86ad76bb | 423 | { |
461d3b4d | 424 | unsigned long csa; |
86ad76bb AV |
425 | |
426 | if (!data) | |
427 | return; | |
428 | ||
4342d647 JCPV |
429 | csa = at91_matrix_read(AT91_MATRIX_EBICSA); |
430 | at91_matrix_write(AT91_MATRIX_EBICSA, csa | AT91_MATRIX_CS3A_SMC_SMARTMEDIA); | |
86ad76bb | 431 | |
86ad76bb | 432 | /* enable pin */ |
cc9f9aef | 433 | if (gpio_is_valid(data->enable_pin)) |
86ad76bb AV |
434 | at91_set_gpio_output(data->enable_pin, 1); |
435 | ||
436 | /* ready/busy pin */ | |
cc9f9aef | 437 | if (gpio_is_valid(data->rdy_pin)) |
86ad76bb AV |
438 | at91_set_gpio_input(data->rdy_pin, 1); |
439 | ||
440 | /* card detect pin */ | |
cc9f9aef | 441 | if (gpio_is_valid(data->det_pin)) |
86ad76bb AV |
442 | at91_set_gpio_input(data->det_pin, 1); |
443 | ||
444 | nand_data = *data; | |
445 | platform_device_register(&at91sam9260_nand_device); | |
446 | } | |
447 | #else | |
3c3796cc | 448 | void __init at91_add_device_nand(struct atmel_nand_data *data) {} |
86ad76bb AV |
449 | #endif |
450 | ||
451 | ||
452 | /* -------------------------------------------------------------------- | |
453 | * TWI (i2c) | |
454 | * -------------------------------------------------------------------- */ | |
455 | ||
f230d3f5 AV |
456 | /* |
457 | * Prefer the GPIO code since the TWI controller isn't robust | |
458 | * (gets overruns and underruns under load) and can only issue | |
459 | * repeated STARTs in one scenario (the driver doesn't yet handle them). | |
460 | */ | |
461 | ||
462 | #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE) | |
463 | ||
464 | static struct i2c_gpio_platform_data pdata = { | |
465 | .sda_pin = AT91_PIN_PA23, | |
466 | .sda_is_open_drain = 1, | |
467 | .scl_pin = AT91_PIN_PA24, | |
468 | .scl_is_open_drain = 1, | |
469 | .udelay = 2, /* ~100 kHz */ | |
470 | }; | |
471 | ||
472 | static struct platform_device at91sam9260_twi_device = { | |
473 | .name = "i2c-gpio", | |
474 | .id = -1, | |
475 | .dev.platform_data = &pdata, | |
476 | }; | |
477 | ||
478 | void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices) | |
479 | { | |
480 | at91_set_GPIO_periph(AT91_PIN_PA23, 1); /* TWD (SDA) */ | |
481 | at91_set_multi_drive(AT91_PIN_PA23, 1); | |
482 | ||
483 | at91_set_GPIO_periph(AT91_PIN_PA24, 1); /* TWCK (SCL) */ | |
484 | at91_set_multi_drive(AT91_PIN_PA24, 1); | |
485 | ||
486 | i2c_register_board_info(0, devices, nr_devices); | |
487 | platform_device_register(&at91sam9260_twi_device); | |
488 | } | |
489 | ||
490 | #elif defined(CONFIG_I2C_AT91) || defined(CONFIG_I2C_AT91_MODULE) | |
86ad76bb AV |
491 | |
492 | static struct resource twi_resources[] = { | |
493 | [0] = { | |
494 | .start = AT91SAM9260_BASE_TWI, | |
495 | .end = AT91SAM9260_BASE_TWI + SZ_16K - 1, | |
496 | .flags = IORESOURCE_MEM, | |
497 | }, | |
498 | [1] = { | |
8fe82a55 LD |
499 | .start = NR_IRQS_LEGACY + AT91SAM9260_ID_TWI, |
500 | .end = NR_IRQS_LEGACY + AT91SAM9260_ID_TWI, | |
86ad76bb AV |
501 | .flags = IORESOURCE_IRQ, |
502 | }, | |
503 | }; | |
504 | ||
505 | static struct platform_device at91sam9260_twi_device = { | |
506 | .name = "at91_i2c", | |
507 | .id = -1, | |
508 | .resource = twi_resources, | |
509 | .num_resources = ARRAY_SIZE(twi_resources), | |
510 | }; | |
511 | ||
f230d3f5 | 512 | void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices) |
86ad76bb AV |
513 | { |
514 | /* pins used for TWI interface */ | |
515 | at91_set_A_periph(AT91_PIN_PA23, 0); /* TWD */ | |
516 | at91_set_multi_drive(AT91_PIN_PA23, 1); | |
517 | ||
518 | at91_set_A_periph(AT91_PIN_PA24, 0); /* TWCK */ | |
519 | at91_set_multi_drive(AT91_PIN_PA24, 1); | |
520 | ||
f230d3f5 | 521 | i2c_register_board_info(0, devices, nr_devices); |
86ad76bb AV |
522 | platform_device_register(&at91sam9260_twi_device); |
523 | } | |
524 | #else | |
f230d3f5 | 525 | void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices) {} |
86ad76bb AV |
526 | #endif |
527 | ||
528 | ||
529 | /* -------------------------------------------------------------------- | |
530 | * SPI | |
531 | * -------------------------------------------------------------------- */ | |
532 | ||
533 | #if defined(CONFIG_SPI_ATMEL) || defined(CONFIG_SPI_ATMEL_MODULE) | |
c6686ff9 | 534 | static u64 spi_dmamask = DMA_BIT_MASK(32); |
86ad76bb AV |
535 | |
536 | static struct resource spi0_resources[] = { | |
537 | [0] = { | |
538 | .start = AT91SAM9260_BASE_SPI0, | |
539 | .end = AT91SAM9260_BASE_SPI0 + SZ_16K - 1, | |
540 | .flags = IORESOURCE_MEM, | |
541 | }, | |
542 | [1] = { | |
8fe82a55 LD |
543 | .start = NR_IRQS_LEGACY + AT91SAM9260_ID_SPI0, |
544 | .end = NR_IRQS_LEGACY + AT91SAM9260_ID_SPI0, | |
86ad76bb AV |
545 | .flags = IORESOURCE_IRQ, |
546 | }, | |
547 | }; | |
548 | ||
549 | static struct platform_device at91sam9260_spi0_device = { | |
550 | .name = "atmel_spi", | |
551 | .id = 0, | |
552 | .dev = { | |
553 | .dma_mask = &spi_dmamask, | |
c6686ff9 | 554 | .coherent_dma_mask = DMA_BIT_MASK(32), |
86ad76bb AV |
555 | }, |
556 | .resource = spi0_resources, | |
557 | .num_resources = ARRAY_SIZE(spi0_resources), | |
558 | }; | |
559 | ||
560 | static const unsigned spi0_standard_cs[4] = { AT91_PIN_PA3, AT91_PIN_PC11, AT91_PIN_PC16, AT91_PIN_PC17 }; | |
561 | ||
562 | static struct resource spi1_resources[] = { | |
563 | [0] = { | |
564 | .start = AT91SAM9260_BASE_SPI1, | |
565 | .end = AT91SAM9260_BASE_SPI1 + SZ_16K - 1, | |
566 | .flags = IORESOURCE_MEM, | |
567 | }, | |
568 | [1] = { | |
8fe82a55 LD |
569 | .start = NR_IRQS_LEGACY + AT91SAM9260_ID_SPI1, |
570 | .end = NR_IRQS_LEGACY + AT91SAM9260_ID_SPI1, | |
86ad76bb AV |
571 | .flags = IORESOURCE_IRQ, |
572 | }, | |
573 | }; | |
574 | ||
575 | static struct platform_device at91sam9260_spi1_device = { | |
576 | .name = "atmel_spi", | |
577 | .id = 1, | |
578 | .dev = { | |
579 | .dma_mask = &spi_dmamask, | |
c6686ff9 | 580 | .coherent_dma_mask = DMA_BIT_MASK(32), |
86ad76bb AV |
581 | }, |
582 | .resource = spi1_resources, | |
583 | .num_resources = ARRAY_SIZE(spi1_resources), | |
584 | }; | |
585 | ||
586 | static const unsigned spi1_standard_cs[4] = { AT91_PIN_PB3, AT91_PIN_PC5, AT91_PIN_PC4, AT91_PIN_PC3 }; | |
587 | ||
588 | void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices) | |
589 | { | |
590 | int i; | |
591 | unsigned long cs_pin; | |
592 | short enable_spi0 = 0; | |
593 | short enable_spi1 = 0; | |
594 | ||
595 | /* Choose SPI chip-selects */ | |
596 | for (i = 0; i < nr_devices; i++) { | |
597 | if (devices[i].controller_data) | |
598 | cs_pin = (unsigned long) devices[i].controller_data; | |
599 | else if (devices[i].bus_num == 0) | |
600 | cs_pin = spi0_standard_cs[devices[i].chip_select]; | |
601 | else | |
602 | cs_pin = spi1_standard_cs[devices[i].chip_select]; | |
603 | ||
0c2c1f62 NF |
604 | if (!gpio_is_valid(cs_pin)) |
605 | continue; | |
606 | ||
86ad76bb AV |
607 | if (devices[i].bus_num == 0) |
608 | enable_spi0 = 1; | |
609 | else | |
610 | enable_spi1 = 1; | |
611 | ||
612 | /* enable chip-select pin */ | |
613 | at91_set_gpio_output(cs_pin, 1); | |
614 | ||
615 | /* pass chip-select pin to driver */ | |
616 | devices[i].controller_data = (void *) cs_pin; | |
617 | } | |
618 | ||
619 | spi_register_board_info(devices, nr_devices); | |
620 | ||
621 | /* Configure SPI bus(es) */ | |
622 | if (enable_spi0) { | |
623 | at91_set_A_periph(AT91_PIN_PA0, 0); /* SPI0_MISO */ | |
624 | at91_set_A_periph(AT91_PIN_PA1, 0); /* SPI0_MOSI */ | |
625 | at91_set_A_periph(AT91_PIN_PA2, 0); /* SPI1_SPCK */ | |
626 | ||
86ad76bb AV |
627 | platform_device_register(&at91sam9260_spi0_device); |
628 | } | |
629 | if (enable_spi1) { | |
630 | at91_set_A_periph(AT91_PIN_PB0, 0); /* SPI1_MISO */ | |
631 | at91_set_A_periph(AT91_PIN_PB1, 0); /* SPI1_MOSI */ | |
632 | at91_set_A_periph(AT91_PIN_PB2, 0); /* SPI1_SPCK */ | |
633 | ||
86ad76bb AV |
634 | platform_device_register(&at91sam9260_spi1_device); |
635 | } | |
636 | } | |
637 | #else | |
638 | void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices) {} | |
639 | #endif | |
640 | ||
641 | ||
e5f40bfa AV |
642 | /* -------------------------------------------------------------------- |
643 | * Timer/Counter blocks | |
644 | * -------------------------------------------------------------------- */ | |
645 | ||
646 | #ifdef CONFIG_ATMEL_TCLIB | |
647 | ||
648 | static struct resource tcb0_resources[] = { | |
649 | [0] = { | |
650 | .start = AT91SAM9260_BASE_TCB0, | |
29831297 | 651 | .end = AT91SAM9260_BASE_TCB0 + SZ_256 - 1, |
e5f40bfa AV |
652 | .flags = IORESOURCE_MEM, |
653 | }, | |
654 | [1] = { | |
8fe82a55 LD |
655 | .start = NR_IRQS_LEGACY + AT91SAM9260_ID_TC0, |
656 | .end = NR_IRQS_LEGACY + AT91SAM9260_ID_TC0, | |
e5f40bfa AV |
657 | .flags = IORESOURCE_IRQ, |
658 | }, | |
659 | [2] = { | |
8fe82a55 LD |
660 | .start = NR_IRQS_LEGACY + AT91SAM9260_ID_TC1, |
661 | .end = NR_IRQS_LEGACY + AT91SAM9260_ID_TC1, | |
e5f40bfa AV |
662 | .flags = IORESOURCE_IRQ, |
663 | }, | |
664 | [3] = { | |
8fe82a55 LD |
665 | .start = NR_IRQS_LEGACY + AT91SAM9260_ID_TC2, |
666 | .end = NR_IRQS_LEGACY + AT91SAM9260_ID_TC2, | |
e5f40bfa AV |
667 | .flags = IORESOURCE_IRQ, |
668 | }, | |
669 | }; | |
670 | ||
671 | static struct platform_device at91sam9260_tcb0_device = { | |
672 | .name = "atmel_tcb", | |
673 | .id = 0, | |
674 | .resource = tcb0_resources, | |
675 | .num_resources = ARRAY_SIZE(tcb0_resources), | |
676 | }; | |
677 | ||
678 | static struct resource tcb1_resources[] = { | |
679 | [0] = { | |
680 | .start = AT91SAM9260_BASE_TCB1, | |
29831297 | 681 | .end = AT91SAM9260_BASE_TCB1 + SZ_256 - 1, |
e5f40bfa AV |
682 | .flags = IORESOURCE_MEM, |
683 | }, | |
684 | [1] = { | |
8fe82a55 LD |
685 | .start = NR_IRQS_LEGACY + AT91SAM9260_ID_TC3, |
686 | .end = NR_IRQS_LEGACY + AT91SAM9260_ID_TC3, | |
e5f40bfa AV |
687 | .flags = IORESOURCE_IRQ, |
688 | }, | |
689 | [2] = { | |
8fe82a55 LD |
690 | .start = NR_IRQS_LEGACY + AT91SAM9260_ID_TC4, |
691 | .end = NR_IRQS_LEGACY + AT91SAM9260_ID_TC4, | |
e5f40bfa AV |
692 | .flags = IORESOURCE_IRQ, |
693 | }, | |
694 | [3] = { | |
8fe82a55 LD |
695 | .start = NR_IRQS_LEGACY + AT91SAM9260_ID_TC5, |
696 | .end = NR_IRQS_LEGACY + AT91SAM9260_ID_TC5, | |
e5f40bfa AV |
697 | .flags = IORESOURCE_IRQ, |
698 | }, | |
699 | }; | |
700 | ||
701 | static struct platform_device at91sam9260_tcb1_device = { | |
702 | .name = "atmel_tcb", | |
703 | .id = 1, | |
704 | .resource = tcb1_resources, | |
705 | .num_resources = ARRAY_SIZE(tcb1_resources), | |
706 | }; | |
707 | ||
708 | static void __init at91_add_device_tc(void) | |
709 | { | |
e5f40bfa | 710 | platform_device_register(&at91sam9260_tcb0_device); |
e5f40bfa AV |
711 | platform_device_register(&at91sam9260_tcb1_device); |
712 | } | |
713 | #else | |
714 | static void __init at91_add_device_tc(void) { } | |
715 | #endif | |
716 | ||
717 | ||
884f5a6a AV |
718 | /* -------------------------------------------------------------------- |
719 | * RTT | |
720 | * -------------------------------------------------------------------- */ | |
721 | ||
722 | static struct resource rtt_resources[] = { | |
723 | { | |
eab5fd67 JCPV |
724 | .start = AT91SAM9260_BASE_RTT, |
725 | .end = AT91SAM9260_BASE_RTT + SZ_16 - 1, | |
884f5a6a | 726 | .flags = IORESOURCE_MEM, |
b3af8b49 JCPV |
727 | }, { |
728 | .flags = IORESOURCE_MEM, | |
729 | }, | |
884f5a6a AV |
730 | }; |
731 | ||
732 | static struct platform_device at91sam9260_rtt_device = { | |
733 | .name = "at91_rtt", | |
4fd9212c | 734 | .id = 0, |
884f5a6a | 735 | .resource = rtt_resources, |
884f5a6a AV |
736 | }; |
737 | ||
205056a3 JCPV |
738 | |
739 | #if IS_ENABLED(CONFIG_RTC_DRV_AT91SAM9) | |
740 | static void __init at91_add_device_rtt_rtc(void) | |
741 | { | |
742 | at91sam9260_rtt_device.name = "rtc-at91sam9"; | |
b3af8b49 JCPV |
743 | /* |
744 | * The second resource is needed: | |
745 | * GPBR will serve as the storage for RTC time offset | |
746 | */ | |
747 | at91sam9260_rtt_device.num_resources = 2; | |
748 | rtt_resources[1].start = AT91SAM9260_BASE_GPBR + | |
749 | 4 * CONFIG_RTC_DRV_AT91SAM9_GPBR; | |
750 | rtt_resources[1].end = rtt_resources[1].start + 3; | |
205056a3 JCPV |
751 | } |
752 | #else | |
b3af8b49 JCPV |
753 | static void __init at91_add_device_rtt_rtc(void) |
754 | { | |
755 | /* Only one resource is needed: RTT not used as RTC */ | |
756 | at91sam9260_rtt_device.num_resources = 1; | |
757 | } | |
205056a3 JCPV |
758 | #endif |
759 | ||
884f5a6a AV |
760 | static void __init at91_add_device_rtt(void) |
761 | { | |
205056a3 | 762 | at91_add_device_rtt_rtc(); |
884f5a6a AV |
763 | platform_device_register(&at91sam9260_rtt_device); |
764 | } | |
765 | ||
766 | ||
767 | /* -------------------------------------------------------------------- | |
768 | * Watchdog | |
769 | * -------------------------------------------------------------------- */ | |
770 | ||
2af29b78 | 771 | #if defined(CONFIG_AT91SAM9X_WATCHDOG) || defined(CONFIG_AT91SAM9X_WATCHDOG_MODULE) |
c1c30a29 JCPV |
772 | static struct resource wdt_resources[] = { |
773 | { | |
774 | .start = AT91SAM9260_BASE_WDT, | |
775 | .end = AT91SAM9260_BASE_WDT + SZ_16 - 1, | |
776 | .flags = IORESOURCE_MEM, | |
777 | } | |
778 | }; | |
779 | ||
884f5a6a AV |
780 | static struct platform_device at91sam9260_wdt_device = { |
781 | .name = "at91_wdt", | |
782 | .id = -1, | |
c1c30a29 JCPV |
783 | .resource = wdt_resources, |
784 | .num_resources = ARRAY_SIZE(wdt_resources), | |
884f5a6a AV |
785 | }; |
786 | ||
787 | static void __init at91_add_device_watchdog(void) | |
788 | { | |
789 | platform_device_register(&at91sam9260_wdt_device); | |
790 | } | |
791 | #else | |
792 | static void __init at91_add_device_watchdog(void) {} | |
793 | #endif | |
794 | ||
795 | ||
bfbc3266 AV |
796 | /* -------------------------------------------------------------------- |
797 | * SSC -- Synchronous Serial Controller | |
798 | * -------------------------------------------------------------------- */ | |
799 | ||
800 | #if defined(CONFIG_ATMEL_SSC) || defined(CONFIG_ATMEL_SSC_MODULE) | |
801 | static u64 ssc_dmamask = DMA_BIT_MASK(32); | |
802 | ||
803 | static struct resource ssc_resources[] = { | |
804 | [0] = { | |
805 | .start = AT91SAM9260_BASE_SSC, | |
806 | .end = AT91SAM9260_BASE_SSC + SZ_16K - 1, | |
807 | .flags = IORESOURCE_MEM, | |
808 | }, | |
809 | [1] = { | |
8fe82a55 LD |
810 | .start = NR_IRQS_LEGACY + AT91SAM9260_ID_SSC, |
811 | .end = NR_IRQS_LEGACY + AT91SAM9260_ID_SSC, | |
bfbc3266 AV |
812 | .flags = IORESOURCE_IRQ, |
813 | }, | |
814 | }; | |
815 | ||
816 | static struct platform_device at91sam9260_ssc_device = { | |
817 | .name = "ssc", | |
818 | .id = 0, | |
819 | .dev = { | |
820 | .dma_mask = &ssc_dmamask, | |
821 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
822 | }, | |
823 | .resource = ssc_resources, | |
824 | .num_resources = ARRAY_SIZE(ssc_resources), | |
825 | }; | |
826 | ||
827 | static inline void configure_ssc_pins(unsigned pins) | |
828 | { | |
829 | if (pins & ATMEL_SSC_TF) | |
830 | at91_set_A_periph(AT91_PIN_PB17, 1); | |
831 | if (pins & ATMEL_SSC_TK) | |
832 | at91_set_A_periph(AT91_PIN_PB16, 1); | |
833 | if (pins & ATMEL_SSC_TD) | |
834 | at91_set_A_periph(AT91_PIN_PB18, 1); | |
835 | if (pins & ATMEL_SSC_RD) | |
836 | at91_set_A_periph(AT91_PIN_PB19, 1); | |
837 | if (pins & ATMEL_SSC_RK) | |
838 | at91_set_A_periph(AT91_PIN_PB20, 1); | |
839 | if (pins & ATMEL_SSC_RF) | |
840 | at91_set_A_periph(AT91_PIN_PB21, 1); | |
841 | } | |
842 | ||
843 | /* | |
844 | * SSC controllers are accessed through library code, instead of any | |
845 | * kind of all-singing/all-dancing driver. For example one could be | |
846 | * used by a particular I2S audio codec's driver, while another one | |
847 | * on the same system might be used by a custom data capture driver. | |
848 | */ | |
849 | void __init at91_add_device_ssc(unsigned id, unsigned pins) | |
850 | { | |
851 | struct platform_device *pdev; | |
852 | ||
853 | /* | |
854 | * NOTE: caller is responsible for passing information matching | |
855 | * "pins" to whatever will be using each particular controller. | |
856 | */ | |
857 | switch (id) { | |
858 | case AT91SAM9260_ID_SSC: | |
859 | pdev = &at91sam9260_ssc_device; | |
860 | configure_ssc_pins(pins); | |
bfbc3266 AV |
861 | break; |
862 | default: | |
863 | return; | |
864 | } | |
865 | ||
866 | platform_device_register(pdev); | |
867 | } | |
868 | ||
869 | #else | |
870 | void __init at91_add_device_ssc(unsigned id, unsigned pins) {} | |
871 | #endif | |
872 | ||
873 | ||
86ad76bb AV |
874 | /* -------------------------------------------------------------------- |
875 | * UART | |
876 | * -------------------------------------------------------------------- */ | |
877 | #if defined(CONFIG_SERIAL_ATMEL) | |
878 | static struct resource dbgu_resources[] = { | |
879 | [0] = { | |
13079a73 JCPV |
880 | .start = AT91SAM9260_BASE_DBGU, |
881 | .end = AT91SAM9260_BASE_DBGU + SZ_512 - 1, | |
86ad76bb AV |
882 | .flags = IORESOURCE_MEM, |
883 | }, | |
884 | [1] = { | |
8fe82a55 LD |
885 | .start = NR_IRQS_LEGACY + AT91_ID_SYS, |
886 | .end = NR_IRQS_LEGACY + AT91_ID_SYS, | |
86ad76bb AV |
887 | .flags = IORESOURCE_IRQ, |
888 | }, | |
889 | }; | |
890 | ||
891 | static struct atmel_uart_data dbgu_data = { | |
892 | .use_dma_tx = 0, | |
893 | .use_dma_rx = 0, /* DBGU not capable of receive DMA */ | |
86ad76bb AV |
894 | }; |
895 | ||
c6686ff9 AV |
896 | static u64 dbgu_dmamask = DMA_BIT_MASK(32); |
897 | ||
86ad76bb AV |
898 | static struct platform_device at91sam9260_dbgu_device = { |
899 | .name = "atmel_usart", | |
900 | .id = 0, | |
901 | .dev = { | |
c6686ff9 AV |
902 | .dma_mask = &dbgu_dmamask, |
903 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
904 | .platform_data = &dbgu_data, | |
86ad76bb AV |
905 | }, |
906 | .resource = dbgu_resources, | |
907 | .num_resources = ARRAY_SIZE(dbgu_resources), | |
908 | }; | |
909 | ||
910 | static inline void configure_dbgu_pins(void) | |
911 | { | |
912 | at91_set_A_periph(AT91_PIN_PB14, 0); /* DRXD */ | |
913 | at91_set_A_periph(AT91_PIN_PB15, 1); /* DTXD */ | |
914 | } | |
915 | ||
916 | static struct resource uart0_resources[] = { | |
917 | [0] = { | |
918 | .start = AT91SAM9260_BASE_US0, | |
919 | .end = AT91SAM9260_BASE_US0 + SZ_16K - 1, | |
920 | .flags = IORESOURCE_MEM, | |
921 | }, | |
922 | [1] = { | |
8fe82a55 LD |
923 | .start = NR_IRQS_LEGACY + AT91SAM9260_ID_US0, |
924 | .end = NR_IRQS_LEGACY + AT91SAM9260_ID_US0, | |
86ad76bb AV |
925 | .flags = IORESOURCE_IRQ, |
926 | }, | |
927 | }; | |
928 | ||
929 | static struct atmel_uart_data uart0_data = { | |
930 | .use_dma_tx = 1, | |
931 | .use_dma_rx = 1, | |
932 | }; | |
933 | ||
c6686ff9 AV |
934 | static u64 uart0_dmamask = DMA_BIT_MASK(32); |
935 | ||
86ad76bb AV |
936 | static struct platform_device at91sam9260_uart0_device = { |
937 | .name = "atmel_usart", | |
938 | .id = 1, | |
939 | .dev = { | |
c6686ff9 AV |
940 | .dma_mask = &uart0_dmamask, |
941 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
942 | .platform_data = &uart0_data, | |
86ad76bb AV |
943 | }, |
944 | .resource = uart0_resources, | |
945 | .num_resources = ARRAY_SIZE(uart0_resources), | |
946 | }; | |
947 | ||
c8f385a6 | 948 | static inline void configure_usart0_pins(unsigned pins) |
86ad76bb AV |
949 | { |
950 | at91_set_A_periph(AT91_PIN_PB4, 1); /* TXD0 */ | |
951 | at91_set_A_periph(AT91_PIN_PB5, 0); /* RXD0 */ | |
c8f385a6 AV |
952 | |
953 | if (pins & ATMEL_UART_RTS) | |
954 | at91_set_A_periph(AT91_PIN_PB26, 0); /* RTS0 */ | |
955 | if (pins & ATMEL_UART_CTS) | |
956 | at91_set_A_periph(AT91_PIN_PB27, 0); /* CTS0 */ | |
957 | if (pins & ATMEL_UART_DTR) | |
958 | at91_set_A_periph(AT91_PIN_PB24, 0); /* DTR0 */ | |
959 | if (pins & ATMEL_UART_DSR) | |
960 | at91_set_A_periph(AT91_PIN_PB22, 0); /* DSR0 */ | |
961 | if (pins & ATMEL_UART_DCD) | |
962 | at91_set_A_periph(AT91_PIN_PB23, 0); /* DCD0 */ | |
963 | if (pins & ATMEL_UART_RI) | |
964 | at91_set_A_periph(AT91_PIN_PB25, 0); /* RI0 */ | |
86ad76bb AV |
965 | } |
966 | ||
967 | static struct resource uart1_resources[] = { | |
968 | [0] = { | |
969 | .start = AT91SAM9260_BASE_US1, | |
970 | .end = AT91SAM9260_BASE_US1 + SZ_16K - 1, | |
971 | .flags = IORESOURCE_MEM, | |
972 | }, | |
973 | [1] = { | |
8fe82a55 LD |
974 | .start = NR_IRQS_LEGACY + AT91SAM9260_ID_US1, |
975 | .end = NR_IRQS_LEGACY + AT91SAM9260_ID_US1, | |
86ad76bb AV |
976 | .flags = IORESOURCE_IRQ, |
977 | }, | |
978 | }; | |
979 | ||
980 | static struct atmel_uart_data uart1_data = { | |
981 | .use_dma_tx = 1, | |
982 | .use_dma_rx = 1, | |
983 | }; | |
984 | ||
c6686ff9 AV |
985 | static u64 uart1_dmamask = DMA_BIT_MASK(32); |
986 | ||
86ad76bb AV |
987 | static struct platform_device at91sam9260_uart1_device = { |
988 | .name = "atmel_usart", | |
989 | .id = 2, | |
990 | .dev = { | |
c6686ff9 AV |
991 | .dma_mask = &uart1_dmamask, |
992 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
993 | .platform_data = &uart1_data, | |
86ad76bb AV |
994 | }, |
995 | .resource = uart1_resources, | |
996 | .num_resources = ARRAY_SIZE(uart1_resources), | |
997 | }; | |
998 | ||
c8f385a6 | 999 | static inline void configure_usart1_pins(unsigned pins) |
86ad76bb AV |
1000 | { |
1001 | at91_set_A_periph(AT91_PIN_PB6, 1); /* TXD1 */ | |
1002 | at91_set_A_periph(AT91_PIN_PB7, 0); /* RXD1 */ | |
c8f385a6 AV |
1003 | |
1004 | if (pins & ATMEL_UART_RTS) | |
1005 | at91_set_A_periph(AT91_PIN_PB28, 0); /* RTS1 */ | |
1006 | if (pins & ATMEL_UART_CTS) | |
1007 | at91_set_A_periph(AT91_PIN_PB29, 0); /* CTS1 */ | |
86ad76bb AV |
1008 | } |
1009 | ||
1010 | static struct resource uart2_resources[] = { | |
1011 | [0] = { | |
1012 | .start = AT91SAM9260_BASE_US2, | |
1013 | .end = AT91SAM9260_BASE_US2 + SZ_16K - 1, | |
1014 | .flags = IORESOURCE_MEM, | |
1015 | }, | |
1016 | [1] = { | |
8fe82a55 LD |
1017 | .start = NR_IRQS_LEGACY + AT91SAM9260_ID_US2, |
1018 | .end = NR_IRQS_LEGACY + AT91SAM9260_ID_US2, | |
86ad76bb AV |
1019 | .flags = IORESOURCE_IRQ, |
1020 | }, | |
1021 | }; | |
1022 | ||
1023 | static struct atmel_uart_data uart2_data = { | |
1024 | .use_dma_tx = 1, | |
1025 | .use_dma_rx = 1, | |
1026 | }; | |
1027 | ||
c6686ff9 AV |
1028 | static u64 uart2_dmamask = DMA_BIT_MASK(32); |
1029 | ||
86ad76bb AV |
1030 | static struct platform_device at91sam9260_uart2_device = { |
1031 | .name = "atmel_usart", | |
1032 | .id = 3, | |
1033 | .dev = { | |
c6686ff9 AV |
1034 | .dma_mask = &uart2_dmamask, |
1035 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
1036 | .platform_data = &uart2_data, | |
86ad76bb AV |
1037 | }, |
1038 | .resource = uart2_resources, | |
1039 | .num_resources = ARRAY_SIZE(uart2_resources), | |
1040 | }; | |
1041 | ||
c8f385a6 | 1042 | static inline void configure_usart2_pins(unsigned pins) |
86ad76bb AV |
1043 | { |
1044 | at91_set_A_periph(AT91_PIN_PB8, 1); /* TXD2 */ | |
1045 | at91_set_A_periph(AT91_PIN_PB9, 0); /* RXD2 */ | |
c8f385a6 AV |
1046 | |
1047 | if (pins & ATMEL_UART_RTS) | |
1048 | at91_set_A_periph(AT91_PIN_PA4, 0); /* RTS2 */ | |
1049 | if (pins & ATMEL_UART_CTS) | |
1050 | at91_set_A_periph(AT91_PIN_PA5, 0); /* CTS2 */ | |
86ad76bb AV |
1051 | } |
1052 | ||
1053 | static struct resource uart3_resources[] = { | |
1054 | [0] = { | |
1055 | .start = AT91SAM9260_BASE_US3, | |
1056 | .end = AT91SAM9260_BASE_US3 + SZ_16K - 1, | |
1057 | .flags = IORESOURCE_MEM, | |
1058 | }, | |
1059 | [1] = { | |
8fe82a55 LD |
1060 | .start = NR_IRQS_LEGACY + AT91SAM9260_ID_US3, |
1061 | .end = NR_IRQS_LEGACY + AT91SAM9260_ID_US3, | |
86ad76bb AV |
1062 | .flags = IORESOURCE_IRQ, |
1063 | }, | |
1064 | }; | |
1065 | ||
1066 | static struct atmel_uart_data uart3_data = { | |
1067 | .use_dma_tx = 1, | |
1068 | .use_dma_rx = 1, | |
1069 | }; | |
1070 | ||
c6686ff9 AV |
1071 | static u64 uart3_dmamask = DMA_BIT_MASK(32); |
1072 | ||
86ad76bb AV |
1073 | static struct platform_device at91sam9260_uart3_device = { |
1074 | .name = "atmel_usart", | |
1075 | .id = 4, | |
1076 | .dev = { | |
c6686ff9 AV |
1077 | .dma_mask = &uart3_dmamask, |
1078 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
1079 | .platform_data = &uart3_data, | |
86ad76bb AV |
1080 | }, |
1081 | .resource = uart3_resources, | |
1082 | .num_resources = ARRAY_SIZE(uart3_resources), | |
1083 | }; | |
1084 | ||
c8f385a6 | 1085 | static inline void configure_usart3_pins(unsigned pins) |
86ad76bb AV |
1086 | { |
1087 | at91_set_A_periph(AT91_PIN_PB10, 1); /* TXD3 */ | |
1088 | at91_set_A_periph(AT91_PIN_PB11, 0); /* RXD3 */ | |
c8f385a6 AV |
1089 | |
1090 | if (pins & ATMEL_UART_RTS) | |
1091 | at91_set_B_periph(AT91_PIN_PC8, 0); /* RTS3 */ | |
1092 | if (pins & ATMEL_UART_CTS) | |
1093 | at91_set_B_periph(AT91_PIN_PC10, 0); /* CTS3 */ | |
86ad76bb AV |
1094 | } |
1095 | ||
1096 | static struct resource uart4_resources[] = { | |
1097 | [0] = { | |
1098 | .start = AT91SAM9260_BASE_US4, | |
1099 | .end = AT91SAM9260_BASE_US4 + SZ_16K - 1, | |
1100 | .flags = IORESOURCE_MEM, | |
1101 | }, | |
1102 | [1] = { | |
8fe82a55 LD |
1103 | .start = NR_IRQS_LEGACY + AT91SAM9260_ID_US4, |
1104 | .end = NR_IRQS_LEGACY + AT91SAM9260_ID_US4, | |
86ad76bb AV |
1105 | .flags = IORESOURCE_IRQ, |
1106 | }, | |
1107 | }; | |
1108 | ||
1109 | static struct atmel_uart_data uart4_data = { | |
1110 | .use_dma_tx = 1, | |
1111 | .use_dma_rx = 1, | |
1112 | }; | |
1113 | ||
c6686ff9 AV |
1114 | static u64 uart4_dmamask = DMA_BIT_MASK(32); |
1115 | ||
86ad76bb AV |
1116 | static struct platform_device at91sam9260_uart4_device = { |
1117 | .name = "atmel_usart", | |
1118 | .id = 5, | |
1119 | .dev = { | |
c6686ff9 AV |
1120 | .dma_mask = &uart4_dmamask, |
1121 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
1122 | .platform_data = &uart4_data, | |
86ad76bb AV |
1123 | }, |
1124 | .resource = uart4_resources, | |
1125 | .num_resources = ARRAY_SIZE(uart4_resources), | |
1126 | }; | |
1127 | ||
1128 | static inline void configure_usart4_pins(void) | |
1129 | { | |
1130 | at91_set_B_periph(AT91_PIN_PA31, 1); /* TXD4 */ | |
1131 | at91_set_B_periph(AT91_PIN_PA30, 0); /* RXD4 */ | |
1132 | } | |
1133 | ||
1134 | static struct resource uart5_resources[] = { | |
1135 | [0] = { | |
1136 | .start = AT91SAM9260_BASE_US5, | |
1137 | .end = AT91SAM9260_BASE_US5 + SZ_16K - 1, | |
1138 | .flags = IORESOURCE_MEM, | |
1139 | }, | |
1140 | [1] = { | |
8fe82a55 LD |
1141 | .start = NR_IRQS_LEGACY + AT91SAM9260_ID_US5, |
1142 | .end = NR_IRQS_LEGACY + AT91SAM9260_ID_US5, | |
86ad76bb AV |
1143 | .flags = IORESOURCE_IRQ, |
1144 | }, | |
1145 | }; | |
1146 | ||
1147 | static struct atmel_uart_data uart5_data = { | |
1148 | .use_dma_tx = 1, | |
1149 | .use_dma_rx = 1, | |
1150 | }; | |
1151 | ||
c6686ff9 AV |
1152 | static u64 uart5_dmamask = DMA_BIT_MASK(32); |
1153 | ||
86ad76bb AV |
1154 | static struct platform_device at91sam9260_uart5_device = { |
1155 | .name = "atmel_usart", | |
1156 | .id = 6, | |
1157 | .dev = { | |
c6686ff9 AV |
1158 | .dma_mask = &uart5_dmamask, |
1159 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
1160 | .platform_data = &uart5_data, | |
86ad76bb AV |
1161 | }, |
1162 | .resource = uart5_resources, | |
1163 | .num_resources = ARRAY_SIZE(uart5_resources), | |
1164 | }; | |
1165 | ||
1166 | static inline void configure_usart5_pins(void) | |
1167 | { | |
1168 | at91_set_A_periph(AT91_PIN_PB12, 1); /* TXD5 */ | |
1169 | at91_set_A_periph(AT91_PIN_PB13, 0); /* RXD5 */ | |
1170 | } | |
1171 | ||
11aadac4 | 1172 | static struct platform_device *__initdata at91_uarts[ATMEL_MAX_UART]; /* the UARTs to use */ |
86ad76bb | 1173 | |
c8f385a6 AV |
1174 | void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins) |
1175 | { | |
1176 | struct platform_device *pdev; | |
2b348e2f | 1177 | struct atmel_uart_data *pdata; |
c8f385a6 AV |
1178 | |
1179 | switch (id) { | |
1180 | case 0: /* DBGU */ | |
1181 | pdev = &at91sam9260_dbgu_device; | |
1182 | configure_dbgu_pins(); | |
c8f385a6 AV |
1183 | break; |
1184 | case AT91SAM9260_ID_US0: | |
1185 | pdev = &at91sam9260_uart0_device; | |
1186 | configure_usart0_pins(pins); | |
c8f385a6 AV |
1187 | break; |
1188 | case AT91SAM9260_ID_US1: | |
1189 | pdev = &at91sam9260_uart1_device; | |
1190 | configure_usart1_pins(pins); | |
c8f385a6 AV |
1191 | break; |
1192 | case AT91SAM9260_ID_US2: | |
1193 | pdev = &at91sam9260_uart2_device; | |
1194 | configure_usart2_pins(pins); | |
c8f385a6 AV |
1195 | break; |
1196 | case AT91SAM9260_ID_US3: | |
1197 | pdev = &at91sam9260_uart3_device; | |
1198 | configure_usart3_pins(pins); | |
c8f385a6 AV |
1199 | break; |
1200 | case AT91SAM9260_ID_US4: | |
1201 | pdev = &at91sam9260_uart4_device; | |
1202 | configure_usart4_pins(); | |
c8f385a6 AV |
1203 | break; |
1204 | case AT91SAM9260_ID_US5: | |
1205 | pdev = &at91sam9260_uart5_device; | |
1206 | configure_usart5_pins(); | |
c8f385a6 AV |
1207 | break; |
1208 | default: | |
1209 | return; | |
1210 | } | |
2b348e2f JCPV |
1211 | pdata = pdev->dev.platform_data; |
1212 | pdata->num = portnr; /* update to mapped ID */ | |
c8f385a6 AV |
1213 | |
1214 | if (portnr < ATMEL_MAX_UART) | |
1215 | at91_uarts[portnr] = pdev; | |
1216 | } | |
1217 | ||
86ad76bb AV |
1218 | void __init at91_add_device_serial(void) |
1219 | { | |
1220 | int i; | |
1221 | ||
1222 | for (i = 0; i < ATMEL_MAX_UART; i++) { | |
1223 | if (at91_uarts[i]) | |
1224 | platform_device_register(at91_uarts[i]); | |
1225 | } | |
1226 | } | |
1227 | #else | |
c8f385a6 | 1228 | void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins) {} |
86ad76bb AV |
1229 | void __init at91_add_device_serial(void) {} |
1230 | #endif | |
1231 | ||
fb85205a SM |
1232 | /* -------------------------------------------------------------------- |
1233 | * CF/IDE | |
1234 | * -------------------------------------------------------------------- */ | |
1235 | ||
cf844751 | 1236 | #if defined(CONFIG_PATA_AT91) || defined(CONFIG_PATA_AT91_MODULE) || \ |
fb85205a SM |
1237 | defined(CONFIG_AT91_CF) || defined(CONFIG_AT91_CF_MODULE) |
1238 | ||
1239 | static struct at91_cf_data cf0_data; | |
1240 | ||
1241 | static struct resource cf0_resources[] = { | |
1242 | [0] = { | |
1243 | .start = AT91_CHIPSELECT_4, | |
1244 | .end = AT91_CHIPSELECT_4 + SZ_256M - 1, | |
1245 | .flags = IORESOURCE_MEM, | |
1246 | } | |
1247 | }; | |
1248 | ||
1249 | static struct platform_device cf0_device = { | |
1250 | .id = 0, | |
1251 | .dev = { | |
1252 | .platform_data = &cf0_data, | |
1253 | }, | |
1254 | .resource = cf0_resources, | |
1255 | .num_resources = ARRAY_SIZE(cf0_resources), | |
1256 | }; | |
1257 | ||
1258 | static struct at91_cf_data cf1_data; | |
1259 | ||
1260 | static struct resource cf1_resources[] = { | |
1261 | [0] = { | |
1262 | .start = AT91_CHIPSELECT_5, | |
1263 | .end = AT91_CHIPSELECT_5 + SZ_256M - 1, | |
1264 | .flags = IORESOURCE_MEM, | |
1265 | } | |
1266 | }; | |
1267 | ||
1268 | static struct platform_device cf1_device = { | |
1269 | .id = 1, | |
1270 | .dev = { | |
1271 | .platform_data = &cf1_data, | |
1272 | }, | |
1273 | .resource = cf1_resources, | |
1274 | .num_resources = ARRAY_SIZE(cf1_resources), | |
1275 | }; | |
1276 | ||
1277 | void __init at91_add_device_cf(struct at91_cf_data *data) | |
1278 | { | |
1279 | struct platform_device *pdev; | |
1280 | unsigned long csa; | |
1281 | ||
1282 | if (!data) | |
1283 | return; | |
1284 | ||
4342d647 | 1285 | csa = at91_matrix_read(AT91_MATRIX_EBICSA); |
fb85205a SM |
1286 | |
1287 | switch (data->chipselect) { | |
1288 | case 4: | |
1289 | at91_set_multi_drive(AT91_PIN_PC8, 0); | |
1290 | at91_set_A_periph(AT91_PIN_PC8, 0); | |
1291 | csa |= AT91_MATRIX_CS4A_SMC_CF1; | |
1292 | cf0_data = *data; | |
1293 | pdev = &cf0_device; | |
1294 | break; | |
1295 | case 5: | |
1296 | at91_set_multi_drive(AT91_PIN_PC9, 0); | |
1297 | at91_set_A_periph(AT91_PIN_PC9, 0); | |
1298 | csa |= AT91_MATRIX_CS5A_SMC_CF2; | |
1299 | cf1_data = *data; | |
1300 | pdev = &cf1_device; | |
1301 | break; | |
1302 | default: | |
1303 | printk(KERN_ERR "AT91 CF: bad chip-select requested (%u)\n", | |
1304 | data->chipselect); | |
1305 | return; | |
1306 | } | |
1307 | ||
4342d647 | 1308 | at91_matrix_write(AT91_MATRIX_EBICSA, csa); |
fb85205a | 1309 | |
cc9f9aef | 1310 | if (gpio_is_valid(data->rst_pin)) { |
fb85205a SM |
1311 | at91_set_multi_drive(data->rst_pin, 0); |
1312 | at91_set_gpio_output(data->rst_pin, 1); | |
1313 | } | |
1314 | ||
cc9f9aef | 1315 | if (gpio_is_valid(data->irq_pin)) { |
fb85205a SM |
1316 | at91_set_gpio_input(data->irq_pin, 0); |
1317 | at91_set_deglitch(data->irq_pin, 1); | |
1318 | } | |
1319 | ||
cc9f9aef | 1320 | if (gpio_is_valid(data->det_pin)) { |
fb85205a SM |
1321 | at91_set_gpio_input(data->det_pin, 0); |
1322 | at91_set_deglitch(data->det_pin, 1); | |
1323 | } | |
1324 | ||
1325 | at91_set_B_periph(AT91_PIN_PC6, 0); /* CFCE1 */ | |
1326 | at91_set_B_periph(AT91_PIN_PC7, 0); /* CFCE2 */ | |
1327 | at91_set_A_periph(AT91_PIN_PC10, 0); /* CFRNW */ | |
1328 | at91_set_A_periph(AT91_PIN_PC15, 1); /* NWAIT */ | |
1329 | ||
1330 | if (data->flags & AT91_CF_TRUE_IDE) | |
1331 | #if defined(CONFIG_PATA_AT91) || defined(CONFIG_PATA_AT91_MODULE) | |
1332 | pdev->name = "pata_at91"; | |
fb85205a | 1333 | #else |
cf844751 | 1334 | #warning "board requires AT91_CF_TRUE_IDE: enable pata_at91" |
fb85205a SM |
1335 | #endif |
1336 | else | |
1337 | pdev->name = "at91_cf"; | |
1338 | ||
1339 | platform_device_register(pdev); | |
1340 | } | |
1341 | ||
1342 | #else | |
1343 | void __init at91_add_device_cf(struct at91_cf_data * data) {} | |
1344 | #endif | |
86ad76bb | 1345 | |
67b5d7b3 MR |
1346 | /* -------------------------------------------------------------------- |
1347 | * ADCs | |
1348 | * -------------------------------------------------------------------- */ | |
1349 | ||
1350 | #if IS_ENABLED(CONFIG_AT91_ADC) | |
1351 | static struct at91_adc_data adc_data; | |
1352 | ||
1353 | static struct resource adc_resources[] = { | |
1354 | [0] = { | |
1355 | .start = AT91SAM9260_BASE_ADC, | |
1356 | .end = AT91SAM9260_BASE_ADC + SZ_16K - 1, | |
1357 | .flags = IORESOURCE_MEM, | |
1358 | }, | |
1359 | [1] = { | |
8fe82a55 LD |
1360 | .start = NR_IRQS_LEGACY + AT91SAM9260_ID_ADC, |
1361 | .end = NR_IRQS_LEGACY + AT91SAM9260_ID_ADC, | |
67b5d7b3 MR |
1362 | .flags = IORESOURCE_IRQ, |
1363 | }, | |
1364 | }; | |
1365 | ||
1366 | static struct platform_device at91_adc_device = { | |
1367 | .name = "at91_adc", | |
1368 | .id = -1, | |
1369 | .dev = { | |
1370 | .platform_data = &adc_data, | |
1371 | }, | |
1372 | .resource = adc_resources, | |
1373 | .num_resources = ARRAY_SIZE(adc_resources), | |
1374 | }; | |
1375 | ||
1376 | static struct at91_adc_trigger at91_adc_triggers[] = { | |
1377 | [0] = { | |
1378 | .name = "timer-counter-0", | |
1379 | .value = AT91_ADC_TRGSEL_TC0 | AT91_ADC_TRGEN, | |
1380 | }, | |
1381 | [1] = { | |
1382 | .name = "timer-counter-1", | |
1383 | .value = AT91_ADC_TRGSEL_TC1 | AT91_ADC_TRGEN, | |
1384 | }, | |
1385 | [2] = { | |
1386 | .name = "timer-counter-2", | |
1387 | .value = AT91_ADC_TRGSEL_TC2 | AT91_ADC_TRGEN, | |
1388 | }, | |
1389 | [3] = { | |
1390 | .name = "external", | |
1391 | .value = AT91_ADC_TRGSEL_EXTERNAL | AT91_ADC_TRGEN, | |
1392 | .is_external = true, | |
1393 | }, | |
1394 | }; | |
1395 | ||
1396 | static struct at91_adc_reg_desc at91_adc_register_g20 = { | |
1397 | .channel_base = AT91_ADC_CHR(0), | |
1398 | .drdy_mask = AT91_ADC_DRDY, | |
1399 | .status_register = AT91_ADC_SR, | |
1400 | .trigger_register = AT91_ADC_MR, | |
1401 | }; | |
1402 | ||
1403 | void __init at91_add_device_adc(struct at91_adc_data *data) | |
1404 | { | |
1405 | if (!data) | |
1406 | return; | |
1407 | ||
1408 | if (test_bit(0, &data->channels_used)) | |
1409 | at91_set_A_periph(AT91_PIN_PC0, 0); | |
1410 | if (test_bit(1, &data->channels_used)) | |
1411 | at91_set_A_periph(AT91_PIN_PC1, 0); | |
1412 | if (test_bit(2, &data->channels_used)) | |
1413 | at91_set_A_periph(AT91_PIN_PC2, 0); | |
1414 | if (test_bit(3, &data->channels_used)) | |
1415 | at91_set_A_periph(AT91_PIN_PC3, 0); | |
1416 | ||
1417 | if (data->use_external_triggers) | |
1418 | at91_set_A_periph(AT91_PIN_PA22, 0); | |
1419 | ||
1420 | data->num_channels = 4; | |
1421 | data->startup_time = 10; | |
1422 | data->registers = &at91_adc_register_g20; | |
1423 | data->trigger_number = 4; | |
1424 | data->trigger_list = at91_adc_triggers; | |
1425 | ||
1426 | adc_data = *data; | |
1427 | platform_device_register(&at91_adc_device); | |
1428 | } | |
1429 | #else | |
1430 | void __init at91_add_device_adc(struct at91_adc_data *data) {} | |
1431 | #endif | |
1432 | ||
86ad76bb AV |
1433 | /* -------------------------------------------------------------------- */ |
1434 | /* | |
1435 | * These devices are always present and don't need any board-specific | |
1436 | * setup. | |
1437 | */ | |
1438 | static int __init at91_add_standard_devices(void) | |
1439 | { | |
8cf93b9c JCPV |
1440 | if (of_have_populated_dt()) |
1441 | return 0; | |
1442 | ||
884f5a6a AV |
1443 | at91_add_device_rtt(); |
1444 | at91_add_device_watchdog(); | |
e5f40bfa | 1445 | at91_add_device_tc(); |
86ad76bb AV |
1446 | return 0; |
1447 | } | |
1448 | ||
1449 | arch_initcall(at91_add_standard_devices); |