Commit | Line | Data |
---|---|---|
86ad76bb | 1 | /* |
9d041268 | 2 | * arch/arm/mach-at91/at91sam9261_devices.c |
86ad76bb AV |
3 | * |
4 | * Copyright (C) 2005 Thibaut VARENE <varenet@parisc-linux.org> | |
5 | * Copyright (C) 2005 David Brownell | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation; either version 2 of the License, or | |
10 | * (at your option) any later version. | |
11 | * | |
12 | */ | |
13 | #include <asm/mach/arch.h> | |
14 | #include <asm/mach/map.h> | |
15 | ||
c6686ff9 | 16 | #include <linux/dma-mapping.h> |
2f8163ba | 17 | #include <linux/gpio.h> |
86ad76bb | 18 | #include <linux/platform_device.h> |
f230d3f5 | 19 | #include <linux/i2c-gpio.h> |
86ad76bb | 20 | |
f230d3f5 | 21 | #include <linux/fb.h> |
b8b78609 JA |
22 | #include <video/atmel_lcdc.h> |
23 | ||
a09e64fb | 24 | #include <mach/board.h> |
a09e64fb RK |
25 | #include <mach/at91sam9261.h> |
26 | #include <mach/at91sam9261_matrix.h> | |
4342d647 | 27 | #include <mach/at91_matrix.h> |
a09e64fb | 28 | #include <mach/at91sam9_smc.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 = AT91SAM9261_UHP_BASE, | |
44 | .end = AT91SAM9261_UHP_BASE + SZ_1M - 1, | |
45 | .flags = IORESOURCE_MEM, | |
46 | }, | |
47 | [1] = { | |
8fe82a55 LD |
48 | .start = NR_IRQS_LEGACY + AT91SAM9261_ID_UHP, |
49 | .end = NR_IRQS_LEGACY + AT91SAM9261_ID_UHP, | |
86ad76bb AV |
50 | .flags = IORESOURCE_IRQ, |
51 | }, | |
52 | }; | |
53 | ||
54 | static struct platform_device at91sam9261_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(&at91sam9261_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 = AT91SAM9261_BASE_UDP, | |
97 | .end = AT91SAM9261_BASE_UDP + SZ_16K - 1, | |
98 | .flags = IORESOURCE_MEM, | |
99 | }, | |
100 | [1] = { | |
8fe82a55 LD |
101 | .start = NR_IRQS_LEGACY + AT91SAM9261_ID_UDP, |
102 | .end = NR_IRQS_LEGACY + AT91SAM9261_ID_UDP, | |
86ad76bb AV |
103 | .flags = IORESOURCE_IRQ, |
104 | }, | |
105 | }; | |
106 | ||
107 | static struct platform_device at91sam9261_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 | { | |
86ad76bb AV |
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 | ||
da7a42d6 | 127 | /* Pullup pin is handled internally by USB device peripheral */ |
86ad76bb AV |
128 | |
129 | udc_data = *data; | |
130 | platform_device_register(&at91sam9261_udc_device); | |
131 | } | |
132 | #else | |
133 | void __init at91_add_device_udc(struct at91_udc_data *data) {} | |
134 | #endif | |
135 | ||
136 | /* -------------------------------------------------------------------- | |
137 | * MMC / SD | |
138 | * -------------------------------------------------------------------- */ | |
139 | ||
140 | #if defined(CONFIG_MMC_AT91) || defined(CONFIG_MMC_AT91_MODULE) | |
c6686ff9 | 141 | static u64 mmc_dmamask = DMA_BIT_MASK(32); |
86ad76bb AV |
142 | static struct at91_mmc_data mmc_data; |
143 | ||
144 | static struct resource mmc_resources[] = { | |
145 | [0] = { | |
146 | .start = AT91SAM9261_BASE_MCI, | |
147 | .end = AT91SAM9261_BASE_MCI + SZ_16K - 1, | |
148 | .flags = IORESOURCE_MEM, | |
149 | }, | |
150 | [1] = { | |
8fe82a55 LD |
151 | .start = NR_IRQS_LEGACY + AT91SAM9261_ID_MCI, |
152 | .end = NR_IRQS_LEGACY + AT91SAM9261_ID_MCI, | |
86ad76bb AV |
153 | .flags = IORESOURCE_IRQ, |
154 | }, | |
155 | }; | |
156 | ||
157 | static struct platform_device at91sam9261_mmc_device = { | |
158 | .name = "at91_mci", | |
159 | .id = -1, | |
160 | .dev = { | |
161 | .dma_mask = &mmc_dmamask, | |
c6686ff9 | 162 | .coherent_dma_mask = DMA_BIT_MASK(32), |
86ad76bb AV |
163 | .platform_data = &mmc_data, |
164 | }, | |
165 | .resource = mmc_resources, | |
166 | .num_resources = ARRAY_SIZE(mmc_resources), | |
167 | }; | |
168 | ||
d0760b3b | 169 | void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data) |
86ad76bb AV |
170 | { |
171 | if (!data) | |
172 | return; | |
173 | ||
174 | /* input/irq */ | |
cc9f9aef | 175 | if (gpio_is_valid(data->det_pin)) { |
86ad76bb AV |
176 | at91_set_gpio_input(data->det_pin, 1); |
177 | at91_set_deglitch(data->det_pin, 1); | |
178 | } | |
cc9f9aef | 179 | if (gpio_is_valid(data->wp_pin)) |
86ad76bb | 180 | at91_set_gpio_input(data->wp_pin, 1); |
cc9f9aef | 181 | if (gpio_is_valid(data->vcc_pin)) |
86ad76bb AV |
182 | at91_set_gpio_output(data->vcc_pin, 0); |
183 | ||
184 | /* CLK */ | |
185 | at91_set_B_periph(AT91_PIN_PA2, 0); | |
186 | ||
187 | /* CMD */ | |
188 | at91_set_B_periph(AT91_PIN_PA1, 1); | |
189 | ||
190 | /* DAT0, maybe DAT1..DAT3 */ | |
191 | at91_set_B_periph(AT91_PIN_PA0, 1); | |
192 | if (data->wire4) { | |
193 | at91_set_B_periph(AT91_PIN_PA4, 1); | |
194 | at91_set_B_periph(AT91_PIN_PA5, 1); | |
195 | at91_set_B_periph(AT91_PIN_PA6, 1); | |
196 | } | |
197 | ||
198 | mmc_data = *data; | |
199 | platform_device_register(&at91sam9261_mmc_device); | |
200 | } | |
201 | #else | |
d0760b3b | 202 | void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data) {} |
86ad76bb AV |
203 | #endif |
204 | ||
205 | ||
206 | /* -------------------------------------------------------------------- | |
207 | * NAND / SmartMedia | |
208 | * -------------------------------------------------------------------- */ | |
209 | ||
f6ed6f78 | 210 | #if defined(CONFIG_MTD_NAND_ATMEL) || defined(CONFIG_MTD_NAND_ATMEL_MODULE) |
3c3796cc | 211 | static struct atmel_nand_data nand_data; |
86ad76bb AV |
212 | |
213 | #define NAND_BASE AT91_CHIPSELECT_3 | |
214 | ||
215 | static struct resource nand_resources[] = { | |
216 | { | |
217 | .start = NAND_BASE, | |
218 | .end = NAND_BASE + SZ_256M - 1, | |
219 | .flags = IORESOURCE_MEM, | |
220 | } | |
221 | }; | |
222 | ||
3c3796cc HS |
223 | static struct platform_device atmel_nand_device = { |
224 | .name = "atmel_nand", | |
86ad76bb AV |
225 | .id = -1, |
226 | .dev = { | |
227 | .platform_data = &nand_data, | |
228 | }, | |
229 | .resource = nand_resources, | |
230 | .num_resources = ARRAY_SIZE(nand_resources), | |
231 | }; | |
232 | ||
3c3796cc | 233 | void __init at91_add_device_nand(struct atmel_nand_data *data) |
86ad76bb | 234 | { |
461d3b4d | 235 | unsigned long csa; |
86ad76bb AV |
236 | |
237 | if (!data) | |
238 | return; | |
239 | ||
4342d647 JCPV |
240 | csa = at91_matrix_read(AT91_MATRIX_EBICSA); |
241 | at91_matrix_write(AT91_MATRIX_EBICSA, csa | AT91_MATRIX_CS3A_SMC_SMARTMEDIA); | |
86ad76bb | 242 | |
86ad76bb | 243 | /* enable pin */ |
cc9f9aef | 244 | if (gpio_is_valid(data->enable_pin)) |
86ad76bb AV |
245 | at91_set_gpio_output(data->enable_pin, 1); |
246 | ||
247 | /* ready/busy pin */ | |
cc9f9aef | 248 | if (gpio_is_valid(data->rdy_pin)) |
86ad76bb AV |
249 | at91_set_gpio_input(data->rdy_pin, 1); |
250 | ||
251 | /* card detect pin */ | |
cc9f9aef | 252 | if (gpio_is_valid(data->det_pin)) |
86ad76bb AV |
253 | at91_set_gpio_input(data->det_pin, 1); |
254 | ||
255 | at91_set_A_periph(AT91_PIN_PC0, 0); /* NANDOE */ | |
256 | at91_set_A_periph(AT91_PIN_PC1, 0); /* NANDWE */ | |
257 | ||
258 | nand_data = *data; | |
3c3796cc | 259 | platform_device_register(&atmel_nand_device); |
86ad76bb AV |
260 | } |
261 | ||
262 | #else | |
3c3796cc | 263 | void __init at91_add_device_nand(struct atmel_nand_data *data) {} |
86ad76bb AV |
264 | #endif |
265 | ||
266 | ||
267 | /* -------------------------------------------------------------------- | |
268 | * TWI (i2c) | |
269 | * -------------------------------------------------------------------- */ | |
270 | ||
f230d3f5 AV |
271 | /* |
272 | * Prefer the GPIO code since the TWI controller isn't robust | |
273 | * (gets overruns and underruns under load) and can only issue | |
274 | * repeated STARTs in one scenario (the driver doesn't yet handle them). | |
275 | */ | |
276 | #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE) | |
277 | ||
278 | static struct i2c_gpio_platform_data pdata = { | |
279 | .sda_pin = AT91_PIN_PA7, | |
280 | .sda_is_open_drain = 1, | |
281 | .scl_pin = AT91_PIN_PA8, | |
282 | .scl_is_open_drain = 1, | |
283 | .udelay = 2, /* ~100 kHz */ | |
284 | }; | |
285 | ||
286 | static struct platform_device at91sam9261_twi_device = { | |
287 | .name = "i2c-gpio", | |
288 | .id = -1, | |
289 | .dev.platform_data = &pdata, | |
290 | }; | |
291 | ||
292 | void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices) | |
293 | { | |
294 | at91_set_GPIO_periph(AT91_PIN_PA7, 1); /* TWD (SDA) */ | |
295 | at91_set_multi_drive(AT91_PIN_PA7, 1); | |
296 | ||
297 | at91_set_GPIO_periph(AT91_PIN_PA8, 1); /* TWCK (SCL) */ | |
298 | at91_set_multi_drive(AT91_PIN_PA8, 1); | |
299 | ||
300 | i2c_register_board_info(0, devices, nr_devices); | |
301 | platform_device_register(&at91sam9261_twi_device); | |
302 | } | |
303 | ||
304 | #elif defined(CONFIG_I2C_AT91) || defined(CONFIG_I2C_AT91_MODULE) | |
86ad76bb AV |
305 | |
306 | static struct resource twi_resources[] = { | |
307 | [0] = { | |
308 | .start = AT91SAM9261_BASE_TWI, | |
309 | .end = AT91SAM9261_BASE_TWI + SZ_16K - 1, | |
310 | .flags = IORESOURCE_MEM, | |
311 | }, | |
312 | [1] = { | |
8fe82a55 LD |
313 | .start = NR_IRQS_LEGACY + AT91SAM9261_ID_TWI, |
314 | .end = NR_IRQS_LEGACY + AT91SAM9261_ID_TWI, | |
86ad76bb AV |
315 | .flags = IORESOURCE_IRQ, |
316 | }, | |
317 | }; | |
318 | ||
319 | static struct platform_device at91sam9261_twi_device = { | |
320 | .name = "at91_i2c", | |
321 | .id = -1, | |
322 | .resource = twi_resources, | |
323 | .num_resources = ARRAY_SIZE(twi_resources), | |
324 | }; | |
325 | ||
f230d3f5 | 326 | void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices) |
86ad76bb AV |
327 | { |
328 | /* pins used for TWI interface */ | |
329 | at91_set_A_periph(AT91_PIN_PA7, 0); /* TWD */ | |
330 | at91_set_multi_drive(AT91_PIN_PA7, 1); | |
331 | ||
332 | at91_set_A_periph(AT91_PIN_PA8, 0); /* TWCK */ | |
333 | at91_set_multi_drive(AT91_PIN_PA8, 1); | |
334 | ||
f230d3f5 | 335 | i2c_register_board_info(0, devices, nr_devices); |
86ad76bb AV |
336 | platform_device_register(&at91sam9261_twi_device); |
337 | } | |
338 | #else | |
f230d3f5 | 339 | void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices) {} |
86ad76bb AV |
340 | #endif |
341 | ||
342 | ||
343 | /* -------------------------------------------------------------------- | |
344 | * SPI | |
345 | * -------------------------------------------------------------------- */ | |
346 | ||
347 | #if defined(CONFIG_SPI_ATMEL) || defined(CONFIG_SPI_ATMEL_MODULE) | |
c6686ff9 | 348 | static u64 spi_dmamask = DMA_BIT_MASK(32); |
86ad76bb AV |
349 | |
350 | static struct resource spi0_resources[] = { | |
351 | [0] = { | |
352 | .start = AT91SAM9261_BASE_SPI0, | |
353 | .end = AT91SAM9261_BASE_SPI0 + SZ_16K - 1, | |
354 | .flags = IORESOURCE_MEM, | |
355 | }, | |
356 | [1] = { | |
8fe82a55 LD |
357 | .start = NR_IRQS_LEGACY + AT91SAM9261_ID_SPI0, |
358 | .end = NR_IRQS_LEGACY + AT91SAM9261_ID_SPI0, | |
86ad76bb AV |
359 | .flags = IORESOURCE_IRQ, |
360 | }, | |
361 | }; | |
362 | ||
363 | static struct platform_device at91sam9261_spi0_device = { | |
364 | .name = "atmel_spi", | |
365 | .id = 0, | |
366 | .dev = { | |
367 | .dma_mask = &spi_dmamask, | |
c6686ff9 | 368 | .coherent_dma_mask = DMA_BIT_MASK(32), |
86ad76bb AV |
369 | }, |
370 | .resource = spi0_resources, | |
371 | .num_resources = ARRAY_SIZE(spi0_resources), | |
372 | }; | |
373 | ||
374 | static const unsigned spi0_standard_cs[4] = { AT91_PIN_PA3, AT91_PIN_PA4, AT91_PIN_PA5, AT91_PIN_PA6 }; | |
375 | ||
376 | static struct resource spi1_resources[] = { | |
377 | [0] = { | |
378 | .start = AT91SAM9261_BASE_SPI1, | |
379 | .end = AT91SAM9261_BASE_SPI1 + SZ_16K - 1, | |
380 | .flags = IORESOURCE_MEM, | |
381 | }, | |
382 | [1] = { | |
8fe82a55 LD |
383 | .start = NR_IRQS_LEGACY + AT91SAM9261_ID_SPI1, |
384 | .end = NR_IRQS_LEGACY + AT91SAM9261_ID_SPI1, | |
86ad76bb AV |
385 | .flags = IORESOURCE_IRQ, |
386 | }, | |
387 | }; | |
388 | ||
389 | static struct platform_device at91sam9261_spi1_device = { | |
390 | .name = "atmel_spi", | |
391 | .id = 1, | |
392 | .dev = { | |
393 | .dma_mask = &spi_dmamask, | |
c6686ff9 | 394 | .coherent_dma_mask = DMA_BIT_MASK(32), |
86ad76bb AV |
395 | }, |
396 | .resource = spi1_resources, | |
397 | .num_resources = ARRAY_SIZE(spi1_resources), | |
398 | }; | |
399 | ||
400 | static const unsigned spi1_standard_cs[4] = { AT91_PIN_PB28, AT91_PIN_PA24, AT91_PIN_PA25, AT91_PIN_PA26 }; | |
401 | ||
402 | void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices) | |
403 | { | |
404 | int i; | |
405 | unsigned long cs_pin; | |
406 | short enable_spi0 = 0; | |
407 | short enable_spi1 = 0; | |
408 | ||
409 | /* Choose SPI chip-selects */ | |
410 | for (i = 0; i < nr_devices; i++) { | |
411 | if (devices[i].controller_data) | |
412 | cs_pin = (unsigned long) devices[i].controller_data; | |
413 | else if (devices[i].bus_num == 0) | |
414 | cs_pin = spi0_standard_cs[devices[i].chip_select]; | |
415 | else | |
416 | cs_pin = spi1_standard_cs[devices[i].chip_select]; | |
417 | ||
0c2c1f62 NF |
418 | if (!gpio_is_valid(cs_pin)) |
419 | continue; | |
420 | ||
86ad76bb AV |
421 | if (devices[i].bus_num == 0) |
422 | enable_spi0 = 1; | |
423 | else | |
424 | enable_spi1 = 1; | |
425 | ||
426 | /* enable chip-select pin */ | |
427 | at91_set_gpio_output(cs_pin, 1); | |
428 | ||
429 | /* pass chip-select pin to driver */ | |
430 | devices[i].controller_data = (void *) cs_pin; | |
431 | } | |
432 | ||
433 | spi_register_board_info(devices, nr_devices); | |
434 | ||
435 | /* Configure SPI bus(es) */ | |
436 | if (enable_spi0) { | |
437 | at91_set_A_periph(AT91_PIN_PA0, 0); /* SPI0_MISO */ | |
438 | at91_set_A_periph(AT91_PIN_PA1, 0); /* SPI0_MOSI */ | |
439 | at91_set_A_periph(AT91_PIN_PA2, 0); /* SPI0_SPCK */ | |
440 | ||
86ad76bb AV |
441 | platform_device_register(&at91sam9261_spi0_device); |
442 | } | |
443 | if (enable_spi1) { | |
444 | at91_set_A_periph(AT91_PIN_PB30, 0); /* SPI1_MISO */ | |
445 | at91_set_A_periph(AT91_PIN_PB31, 0); /* SPI1_MOSI */ | |
446 | at91_set_A_periph(AT91_PIN_PB29, 0); /* SPI1_SPCK */ | |
447 | ||
86ad76bb AV |
448 | platform_device_register(&at91sam9261_spi1_device); |
449 | } | |
450 | } | |
451 | #else | |
452 | void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices) {} | |
453 | #endif | |
454 | ||
455 | ||
456 | /* -------------------------------------------------------------------- | |
457 | * LCD Controller | |
458 | * -------------------------------------------------------------------- */ | |
459 | ||
7776a94c | 460 | #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE) |
c6686ff9 | 461 | static u64 lcdc_dmamask = DMA_BIT_MASK(32); |
7776a94c | 462 | static struct atmel_lcdfb_info lcdc_data; |
86ad76bb AV |
463 | |
464 | static struct resource lcdc_resources[] = { | |
465 | [0] = { | |
466 | .start = AT91SAM9261_LCDC_BASE, | |
467 | .end = AT91SAM9261_LCDC_BASE + SZ_4K - 1, | |
468 | .flags = IORESOURCE_MEM, | |
469 | }, | |
470 | [1] = { | |
8fe82a55 LD |
471 | .start = NR_IRQS_LEGACY + AT91SAM9261_ID_LCDC, |
472 | .end = NR_IRQS_LEGACY + AT91SAM9261_ID_LCDC, | |
86ad76bb AV |
473 | .flags = IORESOURCE_IRQ, |
474 | }, | |
475 | #if defined(CONFIG_FB_INTSRAM) | |
476 | [2] = { | |
477 | .start = AT91SAM9261_SRAM_BASE, | |
478 | .end = AT91SAM9261_SRAM_BASE + AT91SAM9261_SRAM_SIZE - 1, | |
479 | .flags = IORESOURCE_MEM, | |
480 | }, | |
481 | #endif | |
482 | }; | |
483 | ||
484 | static struct platform_device at91_lcdc_device = { | |
7776a94c | 485 | .name = "atmel_lcdfb", |
86ad76bb AV |
486 | .id = 0, |
487 | .dev = { | |
488 | .dma_mask = &lcdc_dmamask, | |
c6686ff9 | 489 | .coherent_dma_mask = DMA_BIT_MASK(32), |
86ad76bb AV |
490 | .platform_data = &lcdc_data, |
491 | }, | |
492 | .resource = lcdc_resources, | |
493 | .num_resources = ARRAY_SIZE(lcdc_resources), | |
494 | }; | |
495 | ||
7776a94c | 496 | void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data) |
86ad76bb AV |
497 | { |
498 | if (!data) { | |
499 | return; | |
500 | } | |
501 | ||
f06e656f AV |
502 | #if defined(CONFIG_FB_ATMEL_STN) |
503 | at91_set_A_periph(AT91_PIN_PB0, 0); /* LCDVSYNC */ | |
504 | at91_set_A_periph(AT91_PIN_PB1, 0); /* LCDHSYNC */ | |
505 | at91_set_A_periph(AT91_PIN_PB2, 0); /* LCDDOTCK */ | |
506 | at91_set_A_periph(AT91_PIN_PB3, 0); /* LCDDEN */ | |
507 | at91_set_A_periph(AT91_PIN_PB4, 0); /* LCDCC */ | |
508 | at91_set_A_periph(AT91_PIN_PB5, 0); /* LCDD0 */ | |
509 | at91_set_A_periph(AT91_PIN_PB6, 0); /* LCDD1 */ | |
510 | at91_set_A_periph(AT91_PIN_PB7, 0); /* LCDD2 */ | |
511 | at91_set_A_periph(AT91_PIN_PB8, 0); /* LCDD3 */ | |
512 | #else | |
86ad76bb AV |
513 | at91_set_A_periph(AT91_PIN_PB1, 0); /* LCDHSYNC */ |
514 | at91_set_A_periph(AT91_PIN_PB2, 0); /* LCDDOTCK */ | |
515 | at91_set_A_periph(AT91_PIN_PB3, 0); /* LCDDEN */ | |
516 | at91_set_A_periph(AT91_PIN_PB4, 0); /* LCDCC */ | |
517 | at91_set_A_periph(AT91_PIN_PB7, 0); /* LCDD2 */ | |
518 | at91_set_A_periph(AT91_PIN_PB8, 0); /* LCDD3 */ | |
519 | at91_set_A_periph(AT91_PIN_PB9, 0); /* LCDD4 */ | |
520 | at91_set_A_periph(AT91_PIN_PB10, 0); /* LCDD5 */ | |
521 | at91_set_A_periph(AT91_PIN_PB11, 0); /* LCDD6 */ | |
522 | at91_set_A_periph(AT91_PIN_PB12, 0); /* LCDD7 */ | |
523 | at91_set_A_periph(AT91_PIN_PB15, 0); /* LCDD10 */ | |
524 | at91_set_A_periph(AT91_PIN_PB16, 0); /* LCDD11 */ | |
525 | at91_set_A_periph(AT91_PIN_PB17, 0); /* LCDD12 */ | |
526 | at91_set_A_periph(AT91_PIN_PB18, 0); /* LCDD13 */ | |
527 | at91_set_A_periph(AT91_PIN_PB19, 0); /* LCDD14 */ | |
528 | at91_set_A_periph(AT91_PIN_PB20, 0); /* LCDD15 */ | |
529 | at91_set_B_periph(AT91_PIN_PB23, 0); /* LCDD18 */ | |
530 | at91_set_B_periph(AT91_PIN_PB24, 0); /* LCDD19 */ | |
531 | at91_set_B_periph(AT91_PIN_PB25, 0); /* LCDD20 */ | |
532 | at91_set_B_periph(AT91_PIN_PB26, 0); /* LCDD21 */ | |
533 | at91_set_B_periph(AT91_PIN_PB27, 0); /* LCDD22 */ | |
534 | at91_set_B_periph(AT91_PIN_PB28, 0); /* LCDD23 */ | |
f06e656f | 535 | #endif |
86ad76bb | 536 | |
01d3a5e7 HS |
537 | if (ARRAY_SIZE(lcdc_resources) > 2) { |
538 | void __iomem *fb; | |
539 | struct resource *fb_res = &lcdc_resources[2]; | |
28f65c11 | 540 | size_t fb_len = resource_size(fb_res); |
01d3a5e7 | 541 | |
90898709 | 542 | fb = ioremap(fb_res->start, fb_len); |
01d3a5e7 HS |
543 | if (fb) { |
544 | memset(fb, 0, fb_len); | |
90898709 | 545 | iounmap(fb); |
01d3a5e7 HS |
546 | } |
547 | } | |
86ad76bb AV |
548 | lcdc_data = *data; |
549 | platform_device_register(&at91_lcdc_device); | |
550 | } | |
551 | #else | |
7776a94c | 552 | void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data) {} |
86ad76bb AV |
553 | #endif |
554 | ||
555 | ||
e5f40bfa AV |
556 | /* -------------------------------------------------------------------- |
557 | * Timer/Counter block | |
558 | * -------------------------------------------------------------------- */ | |
559 | ||
560 | #ifdef CONFIG_ATMEL_TCLIB | |
561 | ||
562 | static struct resource tcb_resources[] = { | |
563 | [0] = { | |
564 | .start = AT91SAM9261_BASE_TCB0, | |
565 | .end = AT91SAM9261_BASE_TCB0 + SZ_16K - 1, | |
566 | .flags = IORESOURCE_MEM, | |
567 | }, | |
568 | [1] = { | |
8fe82a55 LD |
569 | .start = NR_IRQS_LEGACY + AT91SAM9261_ID_TC0, |
570 | .end = NR_IRQS_LEGACY + AT91SAM9261_ID_TC0, | |
e5f40bfa AV |
571 | .flags = IORESOURCE_IRQ, |
572 | }, | |
573 | [2] = { | |
8fe82a55 LD |
574 | .start = NR_IRQS_LEGACY + AT91SAM9261_ID_TC1, |
575 | .end = NR_IRQS_LEGACY + AT91SAM9261_ID_TC1, | |
e5f40bfa AV |
576 | .flags = IORESOURCE_IRQ, |
577 | }, | |
578 | [3] = { | |
8fe82a55 LD |
579 | .start = NR_IRQS_LEGACY + AT91SAM9261_ID_TC2, |
580 | .end = NR_IRQS_LEGACY + AT91SAM9261_ID_TC2, | |
e5f40bfa AV |
581 | .flags = IORESOURCE_IRQ, |
582 | }, | |
583 | }; | |
584 | ||
585 | static struct platform_device at91sam9261_tcb_device = { | |
586 | .name = "atmel_tcb", | |
587 | .id = 0, | |
588 | .resource = tcb_resources, | |
589 | .num_resources = ARRAY_SIZE(tcb_resources), | |
590 | }; | |
591 | ||
592 | static void __init at91_add_device_tc(void) | |
593 | { | |
e5f40bfa AV |
594 | platform_device_register(&at91sam9261_tcb_device); |
595 | } | |
596 | #else | |
597 | static void __init at91_add_device_tc(void) { } | |
598 | #endif | |
599 | ||
600 | ||
884f5a6a AV |
601 | /* -------------------------------------------------------------------- |
602 | * RTT | |
603 | * -------------------------------------------------------------------- */ | |
604 | ||
605 | static struct resource rtt_resources[] = { | |
606 | { | |
eab5fd67 JCPV |
607 | .start = AT91SAM9261_BASE_RTT, |
608 | .end = AT91SAM9261_BASE_RTT + SZ_16 - 1, | |
884f5a6a | 609 | .flags = IORESOURCE_MEM, |
b3af8b49 JCPV |
610 | }, { |
611 | .flags = IORESOURCE_MEM, | |
884f5a6a AV |
612 | } |
613 | }; | |
614 | ||
615 | static struct platform_device at91sam9261_rtt_device = { | |
616 | .name = "at91_rtt", | |
4fd9212c | 617 | .id = 0, |
884f5a6a | 618 | .resource = rtt_resources, |
884f5a6a AV |
619 | }; |
620 | ||
205056a3 JCPV |
621 | #if IS_ENABLED(CONFIG_RTC_DRV_AT91SAM9) |
622 | static void __init at91_add_device_rtt_rtc(void) | |
623 | { | |
624 | at91sam9261_rtt_device.name = "rtc-at91sam9"; | |
b3af8b49 JCPV |
625 | /* |
626 | * The second resource is needed: | |
627 | * GPBR will serve as the storage for RTC time offset | |
628 | */ | |
629 | at91sam9261_rtt_device.num_resources = 2; | |
630 | rtt_resources[1].start = AT91SAM9261_BASE_GPBR + | |
631 | 4 * CONFIG_RTC_DRV_AT91SAM9_GPBR; | |
632 | rtt_resources[1].end = rtt_resources[1].start + 3; | |
205056a3 JCPV |
633 | } |
634 | #else | |
b3af8b49 JCPV |
635 | static void __init at91_add_device_rtt_rtc(void) |
636 | { | |
637 | /* Only one resource is needed: RTT not used as RTC */ | |
638 | at91sam9261_rtt_device.num_resources = 1; | |
639 | } | |
205056a3 JCPV |
640 | #endif |
641 | ||
884f5a6a AV |
642 | static void __init at91_add_device_rtt(void) |
643 | { | |
205056a3 | 644 | at91_add_device_rtt_rtc(); |
884f5a6a AV |
645 | platform_device_register(&at91sam9261_rtt_device); |
646 | } | |
647 | ||
648 | ||
649 | /* -------------------------------------------------------------------- | |
650 | * Watchdog | |
651 | * -------------------------------------------------------------------- */ | |
652 | ||
2af29b78 | 653 | #if defined(CONFIG_AT91SAM9X_WATCHDOG) || defined(CONFIG_AT91SAM9X_WATCHDOG_MODULE) |
c1c30a29 JCPV |
654 | static struct resource wdt_resources[] = { |
655 | { | |
656 | .start = AT91SAM9261_BASE_WDT, | |
657 | .end = AT91SAM9261_BASE_WDT + SZ_16 - 1, | |
658 | .flags = IORESOURCE_MEM, | |
659 | } | |
660 | }; | |
661 | ||
884f5a6a AV |
662 | static struct platform_device at91sam9261_wdt_device = { |
663 | .name = "at91_wdt", | |
664 | .id = -1, | |
c1c30a29 JCPV |
665 | .resource = wdt_resources, |
666 | .num_resources = ARRAY_SIZE(wdt_resources), | |
884f5a6a AV |
667 | }; |
668 | ||
669 | static void __init at91_add_device_watchdog(void) | |
670 | { | |
671 | platform_device_register(&at91sam9261_wdt_device); | |
672 | } | |
673 | #else | |
674 | static void __init at91_add_device_watchdog(void) {} | |
675 | #endif | |
676 | ||
677 | ||
bfbc3266 AV |
678 | /* -------------------------------------------------------------------- |
679 | * SSC -- Synchronous Serial Controller | |
680 | * -------------------------------------------------------------------- */ | |
681 | ||
682 | #if defined(CONFIG_ATMEL_SSC) || defined(CONFIG_ATMEL_SSC_MODULE) | |
683 | static u64 ssc0_dmamask = DMA_BIT_MASK(32); | |
684 | ||
685 | static struct resource ssc0_resources[] = { | |
686 | [0] = { | |
687 | .start = AT91SAM9261_BASE_SSC0, | |
688 | .end = AT91SAM9261_BASE_SSC0 + SZ_16K - 1, | |
689 | .flags = IORESOURCE_MEM, | |
690 | }, | |
691 | [1] = { | |
8fe82a55 LD |
692 | .start = NR_IRQS_LEGACY + AT91SAM9261_ID_SSC0, |
693 | .end = NR_IRQS_LEGACY + AT91SAM9261_ID_SSC0, | |
bfbc3266 AV |
694 | .flags = IORESOURCE_IRQ, |
695 | }, | |
696 | }; | |
697 | ||
698 | static struct platform_device at91sam9261_ssc0_device = { | |
699 | .name = "ssc", | |
700 | .id = 0, | |
701 | .dev = { | |
702 | .dma_mask = &ssc0_dmamask, | |
703 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
704 | }, | |
705 | .resource = ssc0_resources, | |
706 | .num_resources = ARRAY_SIZE(ssc0_resources), | |
707 | }; | |
708 | ||
709 | static inline void configure_ssc0_pins(unsigned pins) | |
710 | { | |
711 | if (pins & ATMEL_SSC_TF) | |
712 | at91_set_A_periph(AT91_PIN_PB21, 1); | |
713 | if (pins & ATMEL_SSC_TK) | |
714 | at91_set_A_periph(AT91_PIN_PB22, 1); | |
715 | if (pins & ATMEL_SSC_TD) | |
716 | at91_set_A_periph(AT91_PIN_PB23, 1); | |
717 | if (pins & ATMEL_SSC_RD) | |
718 | at91_set_A_periph(AT91_PIN_PB24, 1); | |
719 | if (pins & ATMEL_SSC_RK) | |
720 | at91_set_A_periph(AT91_PIN_PB25, 1); | |
721 | if (pins & ATMEL_SSC_RF) | |
722 | at91_set_A_periph(AT91_PIN_PB26, 1); | |
723 | } | |
724 | ||
725 | static u64 ssc1_dmamask = DMA_BIT_MASK(32); | |
726 | ||
727 | static struct resource ssc1_resources[] = { | |
728 | [0] = { | |
729 | .start = AT91SAM9261_BASE_SSC1, | |
730 | .end = AT91SAM9261_BASE_SSC1 + SZ_16K - 1, | |
731 | .flags = IORESOURCE_MEM, | |
732 | }, | |
733 | [1] = { | |
8fe82a55 LD |
734 | .start = NR_IRQS_LEGACY + AT91SAM9261_ID_SSC1, |
735 | .end = NR_IRQS_LEGACY + AT91SAM9261_ID_SSC1, | |
bfbc3266 AV |
736 | .flags = IORESOURCE_IRQ, |
737 | }, | |
738 | }; | |
739 | ||
740 | static struct platform_device at91sam9261_ssc1_device = { | |
741 | .name = "ssc", | |
742 | .id = 1, | |
743 | .dev = { | |
744 | .dma_mask = &ssc1_dmamask, | |
745 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
746 | }, | |
747 | .resource = ssc1_resources, | |
748 | .num_resources = ARRAY_SIZE(ssc1_resources), | |
749 | }; | |
750 | ||
751 | static inline void configure_ssc1_pins(unsigned pins) | |
752 | { | |
753 | if (pins & ATMEL_SSC_TF) | |
754 | at91_set_B_periph(AT91_PIN_PA17, 1); | |
755 | if (pins & ATMEL_SSC_TK) | |
756 | at91_set_B_periph(AT91_PIN_PA18, 1); | |
757 | if (pins & ATMEL_SSC_TD) | |
758 | at91_set_B_periph(AT91_PIN_PA19, 1); | |
759 | if (pins & ATMEL_SSC_RD) | |
760 | at91_set_B_periph(AT91_PIN_PA20, 1); | |
761 | if (pins & ATMEL_SSC_RK) | |
762 | at91_set_B_periph(AT91_PIN_PA21, 1); | |
763 | if (pins & ATMEL_SSC_RF) | |
764 | at91_set_B_periph(AT91_PIN_PA22, 1); | |
765 | } | |
766 | ||
767 | static u64 ssc2_dmamask = DMA_BIT_MASK(32); | |
768 | ||
769 | static struct resource ssc2_resources[] = { | |
770 | [0] = { | |
771 | .start = AT91SAM9261_BASE_SSC2, | |
772 | .end = AT91SAM9261_BASE_SSC2 + SZ_16K - 1, | |
773 | .flags = IORESOURCE_MEM, | |
774 | }, | |
775 | [1] = { | |
8fe82a55 LD |
776 | .start = NR_IRQS_LEGACY + AT91SAM9261_ID_SSC2, |
777 | .end = NR_IRQS_LEGACY + AT91SAM9261_ID_SSC2, | |
bfbc3266 AV |
778 | .flags = IORESOURCE_IRQ, |
779 | }, | |
780 | }; | |
781 | ||
782 | static struct platform_device at91sam9261_ssc2_device = { | |
783 | .name = "ssc", | |
784 | .id = 2, | |
785 | .dev = { | |
786 | .dma_mask = &ssc2_dmamask, | |
787 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
788 | }, | |
789 | .resource = ssc2_resources, | |
790 | .num_resources = ARRAY_SIZE(ssc2_resources), | |
791 | }; | |
792 | ||
793 | static inline void configure_ssc2_pins(unsigned pins) | |
794 | { | |
795 | if (pins & ATMEL_SSC_TF) | |
796 | at91_set_B_periph(AT91_PIN_PC25, 1); | |
797 | if (pins & ATMEL_SSC_TK) | |
798 | at91_set_B_periph(AT91_PIN_PC26, 1); | |
799 | if (pins & ATMEL_SSC_TD) | |
800 | at91_set_B_periph(AT91_PIN_PC27, 1); | |
801 | if (pins & ATMEL_SSC_RD) | |
802 | at91_set_B_periph(AT91_PIN_PC28, 1); | |
803 | if (pins & ATMEL_SSC_RK) | |
804 | at91_set_B_periph(AT91_PIN_PC29, 1); | |
805 | if (pins & ATMEL_SSC_RF) | |
806 | at91_set_B_periph(AT91_PIN_PC30, 1); | |
807 | } | |
808 | ||
809 | /* | |
810 | * SSC controllers are accessed through library code, instead of any | |
811 | * kind of all-singing/all-dancing driver. For example one could be | |
812 | * used by a particular I2S audio codec's driver, while another one | |
813 | * on the same system might be used by a custom data capture driver. | |
814 | */ | |
815 | void __init at91_add_device_ssc(unsigned id, unsigned pins) | |
816 | { | |
817 | struct platform_device *pdev; | |
818 | ||
819 | /* | |
820 | * NOTE: caller is responsible for passing information matching | |
821 | * "pins" to whatever will be using each particular controller. | |
822 | */ | |
823 | switch (id) { | |
824 | case AT91SAM9261_ID_SSC0: | |
825 | pdev = &at91sam9261_ssc0_device; | |
826 | configure_ssc0_pins(pins); | |
bfbc3266 AV |
827 | break; |
828 | case AT91SAM9261_ID_SSC1: | |
829 | pdev = &at91sam9261_ssc1_device; | |
830 | configure_ssc1_pins(pins); | |
bfbc3266 AV |
831 | break; |
832 | case AT91SAM9261_ID_SSC2: | |
833 | pdev = &at91sam9261_ssc2_device; | |
834 | configure_ssc2_pins(pins); | |
bfbc3266 AV |
835 | break; |
836 | default: | |
837 | return; | |
838 | } | |
839 | ||
840 | platform_device_register(pdev); | |
841 | } | |
842 | ||
843 | #else | |
844 | void __init at91_add_device_ssc(unsigned id, unsigned pins) {} | |
845 | #endif | |
846 | ||
847 | ||
86ad76bb AV |
848 | /* -------------------------------------------------------------------- |
849 | * UART | |
850 | * -------------------------------------------------------------------- */ | |
851 | ||
852 | #if defined(CONFIG_SERIAL_ATMEL) | |
853 | static struct resource dbgu_resources[] = { | |
854 | [0] = { | |
13079a73 JCPV |
855 | .start = AT91SAM9261_BASE_DBGU, |
856 | .end = AT91SAM9261_BASE_DBGU + SZ_512 - 1, | |
86ad76bb AV |
857 | .flags = IORESOURCE_MEM, |
858 | }, | |
859 | [1] = { | |
8fe82a55 LD |
860 | .start = NR_IRQS_LEGACY + AT91_ID_SYS, |
861 | .end = NR_IRQS_LEGACY + AT91_ID_SYS, | |
86ad76bb AV |
862 | .flags = IORESOURCE_IRQ, |
863 | }, | |
864 | }; | |
865 | ||
866 | static struct atmel_uart_data dbgu_data = { | |
867 | .use_dma_tx = 0, | |
868 | .use_dma_rx = 0, /* DBGU not capable of receive DMA */ | |
86ad76bb AV |
869 | }; |
870 | ||
c6686ff9 AV |
871 | static u64 dbgu_dmamask = DMA_BIT_MASK(32); |
872 | ||
86ad76bb AV |
873 | static struct platform_device at91sam9261_dbgu_device = { |
874 | .name = "atmel_usart", | |
875 | .id = 0, | |
876 | .dev = { | |
c6686ff9 AV |
877 | .dma_mask = &dbgu_dmamask, |
878 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
879 | .platform_data = &dbgu_data, | |
86ad76bb AV |
880 | }, |
881 | .resource = dbgu_resources, | |
882 | .num_resources = ARRAY_SIZE(dbgu_resources), | |
883 | }; | |
884 | ||
885 | static inline void configure_dbgu_pins(void) | |
886 | { | |
887 | at91_set_A_periph(AT91_PIN_PA9, 0); /* DRXD */ | |
888 | at91_set_A_periph(AT91_PIN_PA10, 1); /* DTXD */ | |
889 | } | |
890 | ||
891 | static struct resource uart0_resources[] = { | |
892 | [0] = { | |
893 | .start = AT91SAM9261_BASE_US0, | |
894 | .end = AT91SAM9261_BASE_US0 + SZ_16K - 1, | |
895 | .flags = IORESOURCE_MEM, | |
896 | }, | |
897 | [1] = { | |
8fe82a55 LD |
898 | .start = NR_IRQS_LEGACY + AT91SAM9261_ID_US0, |
899 | .end = NR_IRQS_LEGACY + AT91SAM9261_ID_US0, | |
86ad76bb AV |
900 | .flags = IORESOURCE_IRQ, |
901 | }, | |
902 | }; | |
903 | ||
904 | static struct atmel_uart_data uart0_data = { | |
905 | .use_dma_tx = 1, | |
906 | .use_dma_rx = 1, | |
907 | }; | |
908 | ||
c6686ff9 AV |
909 | static u64 uart0_dmamask = DMA_BIT_MASK(32); |
910 | ||
86ad76bb AV |
911 | static struct platform_device at91sam9261_uart0_device = { |
912 | .name = "atmel_usart", | |
913 | .id = 1, | |
914 | .dev = { | |
c6686ff9 AV |
915 | .dma_mask = &uart0_dmamask, |
916 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
917 | .platform_data = &uart0_data, | |
86ad76bb AV |
918 | }, |
919 | .resource = uart0_resources, | |
920 | .num_resources = ARRAY_SIZE(uart0_resources), | |
921 | }; | |
922 | ||
c8f385a6 | 923 | static inline void configure_usart0_pins(unsigned pins) |
86ad76bb AV |
924 | { |
925 | at91_set_A_periph(AT91_PIN_PC8, 1); /* TXD0 */ | |
926 | at91_set_A_periph(AT91_PIN_PC9, 0); /* RXD0 */ | |
c8f385a6 AV |
927 | |
928 | if (pins & ATMEL_UART_RTS) | |
929 | at91_set_A_periph(AT91_PIN_PC10, 0); /* RTS0 */ | |
930 | if (pins & ATMEL_UART_CTS) | |
931 | at91_set_A_periph(AT91_PIN_PC11, 0); /* CTS0 */ | |
86ad76bb AV |
932 | } |
933 | ||
934 | static struct resource uart1_resources[] = { | |
935 | [0] = { | |
936 | .start = AT91SAM9261_BASE_US1, | |
937 | .end = AT91SAM9261_BASE_US1 + SZ_16K - 1, | |
938 | .flags = IORESOURCE_MEM, | |
939 | }, | |
940 | [1] = { | |
8fe82a55 LD |
941 | .start = NR_IRQS_LEGACY + AT91SAM9261_ID_US1, |
942 | .end = NR_IRQS_LEGACY + AT91SAM9261_ID_US1, | |
86ad76bb AV |
943 | .flags = IORESOURCE_IRQ, |
944 | }, | |
945 | }; | |
946 | ||
947 | static struct atmel_uart_data uart1_data = { | |
948 | .use_dma_tx = 1, | |
949 | .use_dma_rx = 1, | |
950 | }; | |
951 | ||
c6686ff9 AV |
952 | static u64 uart1_dmamask = DMA_BIT_MASK(32); |
953 | ||
86ad76bb AV |
954 | static struct platform_device at91sam9261_uart1_device = { |
955 | .name = "atmel_usart", | |
956 | .id = 2, | |
957 | .dev = { | |
c6686ff9 AV |
958 | .dma_mask = &uart1_dmamask, |
959 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
960 | .platform_data = &uart1_data, | |
86ad76bb AV |
961 | }, |
962 | .resource = uart1_resources, | |
963 | .num_resources = ARRAY_SIZE(uart1_resources), | |
964 | }; | |
965 | ||
c8f385a6 | 966 | static inline void configure_usart1_pins(unsigned pins) |
86ad76bb AV |
967 | { |
968 | at91_set_A_periph(AT91_PIN_PC12, 1); /* TXD1 */ | |
969 | at91_set_A_periph(AT91_PIN_PC13, 0); /* RXD1 */ | |
c8f385a6 AV |
970 | |
971 | if (pins & ATMEL_UART_RTS) | |
972 | at91_set_B_periph(AT91_PIN_PA12, 0); /* RTS1 */ | |
973 | if (pins & ATMEL_UART_CTS) | |
974 | at91_set_B_periph(AT91_PIN_PA13, 0); /* CTS1 */ | |
86ad76bb AV |
975 | } |
976 | ||
977 | static struct resource uart2_resources[] = { | |
978 | [0] = { | |
979 | .start = AT91SAM9261_BASE_US2, | |
980 | .end = AT91SAM9261_BASE_US2 + SZ_16K - 1, | |
981 | .flags = IORESOURCE_MEM, | |
982 | }, | |
983 | [1] = { | |
8fe82a55 LD |
984 | .start = NR_IRQS_LEGACY + AT91SAM9261_ID_US2, |
985 | .end = NR_IRQS_LEGACY + AT91SAM9261_ID_US2, | |
86ad76bb AV |
986 | .flags = IORESOURCE_IRQ, |
987 | }, | |
988 | }; | |
989 | ||
990 | static struct atmel_uart_data uart2_data = { | |
991 | .use_dma_tx = 1, | |
992 | .use_dma_rx = 1, | |
993 | }; | |
994 | ||
c6686ff9 AV |
995 | static u64 uart2_dmamask = DMA_BIT_MASK(32); |
996 | ||
86ad76bb AV |
997 | static struct platform_device at91sam9261_uart2_device = { |
998 | .name = "atmel_usart", | |
999 | .id = 3, | |
1000 | .dev = { | |
c6686ff9 AV |
1001 | .dma_mask = &uart2_dmamask, |
1002 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
1003 | .platform_data = &uart2_data, | |
86ad76bb AV |
1004 | }, |
1005 | .resource = uart2_resources, | |
1006 | .num_resources = ARRAY_SIZE(uart2_resources), | |
1007 | }; | |
1008 | ||
c8f385a6 | 1009 | static inline void configure_usart2_pins(unsigned pins) |
86ad76bb AV |
1010 | { |
1011 | at91_set_A_periph(AT91_PIN_PC15, 0); /* RXD2 */ | |
1012 | at91_set_A_periph(AT91_PIN_PC14, 1); /* TXD2 */ | |
c8f385a6 AV |
1013 | |
1014 | if (pins & ATMEL_UART_RTS) | |
1015 | at91_set_B_periph(AT91_PIN_PA15, 0); /* RTS2*/ | |
1016 | if (pins & ATMEL_UART_CTS) | |
1017 | at91_set_B_periph(AT91_PIN_PA16, 0); /* CTS2 */ | |
86ad76bb AV |
1018 | } |
1019 | ||
11aadac4 | 1020 | static struct platform_device *__initdata at91_uarts[ATMEL_MAX_UART]; /* the UARTs to use */ |
86ad76bb | 1021 | |
c8f385a6 AV |
1022 | void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins) |
1023 | { | |
1024 | struct platform_device *pdev; | |
2b348e2f | 1025 | struct atmel_uart_data *pdata; |
c8f385a6 AV |
1026 | |
1027 | switch (id) { | |
1028 | case 0: /* DBGU */ | |
1029 | pdev = &at91sam9261_dbgu_device; | |
1030 | configure_dbgu_pins(); | |
c8f385a6 AV |
1031 | break; |
1032 | case AT91SAM9261_ID_US0: | |
1033 | pdev = &at91sam9261_uart0_device; | |
1034 | configure_usart0_pins(pins); | |
c8f385a6 AV |
1035 | break; |
1036 | case AT91SAM9261_ID_US1: | |
1037 | pdev = &at91sam9261_uart1_device; | |
1038 | configure_usart1_pins(pins); | |
c8f385a6 AV |
1039 | break; |
1040 | case AT91SAM9261_ID_US2: | |
1041 | pdev = &at91sam9261_uart2_device; | |
1042 | configure_usart2_pins(pins); | |
c8f385a6 AV |
1043 | break; |
1044 | default: | |
1045 | return; | |
1046 | } | |
2b348e2f JCPV |
1047 | pdata = pdev->dev.platform_data; |
1048 | pdata->num = portnr; /* update to mapped ID */ | |
c8f385a6 AV |
1049 | |
1050 | if (portnr < ATMEL_MAX_UART) | |
1051 | at91_uarts[portnr] = pdev; | |
1052 | } | |
1053 | ||
86ad76bb AV |
1054 | void __init at91_add_device_serial(void) |
1055 | { | |
1056 | int i; | |
1057 | ||
1058 | for (i = 0; i < ATMEL_MAX_UART; i++) { | |
1059 | if (at91_uarts[i]) | |
1060 | platform_device_register(at91_uarts[i]); | |
1061 | } | |
1062 | } | |
1063 | #else | |
c8f385a6 | 1064 | void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins) {} |
86ad76bb AV |
1065 | void __init at91_add_device_serial(void) {} |
1066 | #endif | |
1067 | ||
1068 | ||
1069 | /* -------------------------------------------------------------------- */ | |
1070 | ||
1071 | /* | |
1072 | * These devices are always present and don't need any board-specific | |
1073 | * setup. | |
1074 | */ | |
1075 | static int __init at91_add_standard_devices(void) | |
1076 | { | |
884f5a6a AV |
1077 | at91_add_device_rtt(); |
1078 | at91_add_device_watchdog(); | |
e5f40bfa | 1079 | at91_add_device_tc(); |
86ad76bb AV |
1080 | return 0; |
1081 | } | |
1082 | ||
1083 | arch_initcall(at91_add_standard_devices); |