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 RK |
24 | #include <mach/at91sam9261.h> |
25 | #include <mach/at91sam9261_matrix.h> | |
4342d647 | 26 | #include <mach/at91_matrix.h> |
a09e64fb | 27 | #include <mach/at91sam9_smc.h> |
ac11a1d4 | 28 | #include <mach/hardware.h> |
86ad76bb | 29 | |
43d2f532 | 30 | #include "board.h" |
86ad76bb AV |
31 | #include "generic.h" |
32 | ||
86ad76bb AV |
33 | |
34 | /* -------------------------------------------------------------------- | |
35 | * USB Host | |
36 | * -------------------------------------------------------------------- */ | |
37 | ||
38 | #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) | |
c6686ff9 | 39 | static u64 ohci_dmamask = DMA_BIT_MASK(32); |
86ad76bb AV |
40 | static struct at91_usbh_data usbh_data; |
41 | ||
42 | static struct resource usbh_resources[] = { | |
43 | [0] = { | |
44 | .start = AT91SAM9261_UHP_BASE, | |
45 | .end = AT91SAM9261_UHP_BASE + SZ_1M - 1, | |
46 | .flags = IORESOURCE_MEM, | |
47 | }, | |
48 | [1] = { | |
8fe82a55 LD |
49 | .start = NR_IRQS_LEGACY + AT91SAM9261_ID_UHP, |
50 | .end = NR_IRQS_LEGACY + AT91SAM9261_ID_UHP, | |
86ad76bb AV |
51 | .flags = IORESOURCE_IRQ, |
52 | }, | |
53 | }; | |
54 | ||
55 | static struct platform_device at91sam9261_usbh_device = { | |
56 | .name = "at91_ohci", | |
57 | .id = -1, | |
58 | .dev = { | |
59 | .dma_mask = &ohci_dmamask, | |
c6686ff9 | 60 | .coherent_dma_mask = DMA_BIT_MASK(32), |
86ad76bb AV |
61 | .platform_data = &usbh_data, |
62 | }, | |
63 | .resource = usbh_resources, | |
64 | .num_resources = ARRAY_SIZE(usbh_resources), | |
65 | }; | |
66 | ||
67 | void __init at91_add_device_usbh(struct at91_usbh_data *data) | |
68 | { | |
1fcaea7e TP |
69 | int i; |
70 | ||
86ad76bb AV |
71 | if (!data) |
72 | return; | |
73 | ||
1fcaea7e TP |
74 | /* Enable overcurrent notification */ |
75 | for (i = 0; i < data->ports; i++) { | |
641f3ce6 | 76 | if (gpio_is_valid(data->overcurrent_pin[i])) |
1fcaea7e TP |
77 | at91_set_gpio_input(data->overcurrent_pin[i], 1); |
78 | } | |
79 | ||
86ad76bb AV |
80 | usbh_data = *data; |
81 | platform_device_register(&at91sam9261_usbh_device); | |
82 | } | |
83 | #else | |
84 | void __init at91_add_device_usbh(struct at91_usbh_data *data) {} | |
85 | #endif | |
86 | ||
87 | ||
88 | /* -------------------------------------------------------------------- | |
89 | * USB Device (Gadget) | |
90 | * -------------------------------------------------------------------- */ | |
91 | ||
e8c9dc93 | 92 | #if defined(CONFIG_USB_AT91) || defined(CONFIG_USB_AT91_MODULE) |
86ad76bb AV |
93 | static struct at91_udc_data udc_data; |
94 | ||
95 | static struct resource udc_resources[] = { | |
96 | [0] = { | |
97 | .start = AT91SAM9261_BASE_UDP, | |
98 | .end = AT91SAM9261_BASE_UDP + SZ_16K - 1, | |
99 | .flags = IORESOURCE_MEM, | |
100 | }, | |
101 | [1] = { | |
8fe82a55 LD |
102 | .start = NR_IRQS_LEGACY + AT91SAM9261_ID_UDP, |
103 | .end = NR_IRQS_LEGACY + AT91SAM9261_ID_UDP, | |
86ad76bb AV |
104 | .flags = IORESOURCE_IRQ, |
105 | }, | |
106 | }; | |
107 | ||
108 | static struct platform_device at91sam9261_udc_device = { | |
109 | .name = "at91_udc", | |
110 | .id = -1, | |
111 | .dev = { | |
112 | .platform_data = &udc_data, | |
113 | }, | |
114 | .resource = udc_resources, | |
115 | .num_resources = ARRAY_SIZE(udc_resources), | |
116 | }; | |
117 | ||
118 | void __init at91_add_device_udc(struct at91_udc_data *data) | |
119 | { | |
86ad76bb AV |
120 | if (!data) |
121 | return; | |
122 | ||
cc9f9aef | 123 | if (gpio_is_valid(data->vbus_pin)) { |
86ad76bb AV |
124 | at91_set_gpio_input(data->vbus_pin, 0); |
125 | at91_set_deglitch(data->vbus_pin, 1); | |
126 | } | |
127 | ||
da7a42d6 | 128 | /* Pullup pin is handled internally by USB device peripheral */ |
86ad76bb AV |
129 | |
130 | udc_data = *data; | |
131 | platform_device_register(&at91sam9261_udc_device); | |
132 | } | |
133 | #else | |
134 | void __init at91_add_device_udc(struct at91_udc_data *data) {} | |
135 | #endif | |
136 | ||
137 | /* -------------------------------------------------------------------- | |
138 | * MMC / SD | |
139 | * -------------------------------------------------------------------- */ | |
140 | ||
4cf3326a | 141 | #if IS_ENABLED(CONFIG_MMC_ATMELMCI) |
c6686ff9 | 142 | static u64 mmc_dmamask = DMA_BIT_MASK(32); |
4cf3326a | 143 | static struct mci_platform_data mmc_data; |
86ad76bb AV |
144 | |
145 | static struct resource mmc_resources[] = { | |
146 | [0] = { | |
147 | .start = AT91SAM9261_BASE_MCI, | |
148 | .end = AT91SAM9261_BASE_MCI + SZ_16K - 1, | |
149 | .flags = IORESOURCE_MEM, | |
150 | }, | |
151 | [1] = { | |
8fe82a55 LD |
152 | .start = NR_IRQS_LEGACY + AT91SAM9261_ID_MCI, |
153 | .end = NR_IRQS_LEGACY + AT91SAM9261_ID_MCI, | |
86ad76bb AV |
154 | .flags = IORESOURCE_IRQ, |
155 | }, | |
156 | }; | |
157 | ||
158 | static struct platform_device at91sam9261_mmc_device = { | |
4cf3326a | 159 | .name = "atmel_mci", |
86ad76bb AV |
160 | .id = -1, |
161 | .dev = { | |
162 | .dma_mask = &mmc_dmamask, | |
c6686ff9 | 163 | .coherent_dma_mask = DMA_BIT_MASK(32), |
86ad76bb AV |
164 | .platform_data = &mmc_data, |
165 | }, | |
166 | .resource = mmc_resources, | |
167 | .num_resources = ARRAY_SIZE(mmc_resources), | |
168 | }; | |
169 | ||
4cf3326a | 170 | void __init at91_add_device_mci(short mmc_id, struct mci_platform_data *data) |
86ad76bb AV |
171 | { |
172 | if (!data) | |
173 | return; | |
174 | ||
4cf3326a LD |
175 | if (data->slot[0].bus_width) { |
176 | /* input/irq */ | |
177 | if (gpio_is_valid(data->slot[0].detect_pin)) { | |
178 | at91_set_gpio_input(data->slot[0].detect_pin, 1); | |
179 | at91_set_deglitch(data->slot[0].detect_pin, 1); | |
180 | } | |
181 | if (gpio_is_valid(data->slot[0].wp_pin)) | |
182 | at91_set_gpio_input(data->slot[0].wp_pin, 1); | |
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->slot[0].bus_width == 4) { | |
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); | |
86ad76bb | 200 | } |
86ad76bb AV |
201 | } |
202 | #else | |
4cf3326a | 203 | void __init at91_add_device_mci(short mmc_id, struct mci_platform_data *data) {} |
86ad76bb AV |
204 | #endif |
205 | ||
206 | ||
207 | /* -------------------------------------------------------------------- | |
208 | * NAND / SmartMedia | |
209 | * -------------------------------------------------------------------- */ | |
210 | ||
f6ed6f78 | 211 | #if defined(CONFIG_MTD_NAND_ATMEL) || defined(CONFIG_MTD_NAND_ATMEL_MODULE) |
3c3796cc | 212 | static struct atmel_nand_data nand_data; |
86ad76bb AV |
213 | |
214 | #define NAND_BASE AT91_CHIPSELECT_3 | |
215 | ||
216 | static struct resource nand_resources[] = { | |
217 | { | |
218 | .start = NAND_BASE, | |
219 | .end = NAND_BASE + SZ_256M - 1, | |
220 | .flags = IORESOURCE_MEM, | |
221 | } | |
222 | }; | |
223 | ||
3c3796cc HS |
224 | static struct platform_device atmel_nand_device = { |
225 | .name = "atmel_nand", | |
86ad76bb AV |
226 | .id = -1, |
227 | .dev = { | |
228 | .platform_data = &nand_data, | |
229 | }, | |
230 | .resource = nand_resources, | |
231 | .num_resources = ARRAY_SIZE(nand_resources), | |
232 | }; | |
233 | ||
3c3796cc | 234 | void __init at91_add_device_nand(struct atmel_nand_data *data) |
86ad76bb | 235 | { |
461d3b4d | 236 | unsigned long csa; |
86ad76bb AV |
237 | |
238 | if (!data) | |
239 | return; | |
240 | ||
4342d647 JCPV |
241 | csa = at91_matrix_read(AT91_MATRIX_EBICSA); |
242 | at91_matrix_write(AT91_MATRIX_EBICSA, csa | AT91_MATRIX_CS3A_SMC_SMARTMEDIA); | |
86ad76bb | 243 | |
86ad76bb | 244 | /* enable pin */ |
cc9f9aef | 245 | if (gpio_is_valid(data->enable_pin)) |
86ad76bb AV |
246 | at91_set_gpio_output(data->enable_pin, 1); |
247 | ||
248 | /* ready/busy pin */ | |
cc9f9aef | 249 | if (gpio_is_valid(data->rdy_pin)) |
86ad76bb AV |
250 | at91_set_gpio_input(data->rdy_pin, 1); |
251 | ||
252 | /* card detect pin */ | |
cc9f9aef | 253 | if (gpio_is_valid(data->det_pin)) |
86ad76bb AV |
254 | at91_set_gpio_input(data->det_pin, 1); |
255 | ||
256 | at91_set_A_periph(AT91_PIN_PC0, 0); /* NANDOE */ | |
257 | at91_set_A_periph(AT91_PIN_PC1, 0); /* NANDWE */ | |
258 | ||
259 | nand_data = *data; | |
3c3796cc | 260 | platform_device_register(&atmel_nand_device); |
86ad76bb AV |
261 | } |
262 | ||
263 | #else | |
3c3796cc | 264 | void __init at91_add_device_nand(struct atmel_nand_data *data) {} |
86ad76bb AV |
265 | #endif |
266 | ||
267 | ||
268 | /* -------------------------------------------------------------------- | |
269 | * TWI (i2c) | |
270 | * -------------------------------------------------------------------- */ | |
271 | ||
f230d3f5 AV |
272 | /* |
273 | * Prefer the GPIO code since the TWI controller isn't robust | |
274 | * (gets overruns and underruns under load) and can only issue | |
275 | * repeated STARTs in one scenario (the driver doesn't yet handle them). | |
276 | */ | |
277 | #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE) | |
278 | ||
279 | static struct i2c_gpio_platform_data pdata = { | |
280 | .sda_pin = AT91_PIN_PA7, | |
281 | .sda_is_open_drain = 1, | |
282 | .scl_pin = AT91_PIN_PA8, | |
283 | .scl_is_open_drain = 1, | |
284 | .udelay = 2, /* ~100 kHz */ | |
285 | }; | |
286 | ||
287 | static struct platform_device at91sam9261_twi_device = { | |
288 | .name = "i2c-gpio", | |
7840487c | 289 | .id = 0, |
f230d3f5 AV |
290 | .dev.platform_data = &pdata, |
291 | }; | |
292 | ||
293 | void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices) | |
294 | { | |
295 | at91_set_GPIO_periph(AT91_PIN_PA7, 1); /* TWD (SDA) */ | |
296 | at91_set_multi_drive(AT91_PIN_PA7, 1); | |
297 | ||
298 | at91_set_GPIO_periph(AT91_PIN_PA8, 1); /* TWCK (SCL) */ | |
299 | at91_set_multi_drive(AT91_PIN_PA8, 1); | |
300 | ||
301 | i2c_register_board_info(0, devices, nr_devices); | |
302 | platform_device_register(&at91sam9261_twi_device); | |
303 | } | |
304 | ||
305 | #elif defined(CONFIG_I2C_AT91) || defined(CONFIG_I2C_AT91_MODULE) | |
86ad76bb AV |
306 | |
307 | static struct resource twi_resources[] = { | |
308 | [0] = { | |
309 | .start = AT91SAM9261_BASE_TWI, | |
310 | .end = AT91SAM9261_BASE_TWI + SZ_16K - 1, | |
311 | .flags = IORESOURCE_MEM, | |
312 | }, | |
313 | [1] = { | |
8fe82a55 LD |
314 | .start = NR_IRQS_LEGACY + AT91SAM9261_ID_TWI, |
315 | .end = NR_IRQS_LEGACY + AT91SAM9261_ID_TWI, | |
86ad76bb AV |
316 | .flags = IORESOURCE_IRQ, |
317 | }, | |
318 | }; | |
319 | ||
320 | static struct platform_device at91sam9261_twi_device = { | |
302090a6 | 321 | .id = 0, |
86ad76bb AV |
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 | 327 | { |
fac368a0 NV |
328 | /* IP version is not the same on 9261 and g10 */ |
329 | if (cpu_is_at91sam9g10()) { | |
330 | at91sam9261_twi_device.name = "i2c-at91sam9g10"; | |
94e73465 | 331 | /* I2C PIO must not be configured as open-drain on this chip */ |
fac368a0 NV |
332 | } else { |
333 | at91sam9261_twi_device.name = "i2c-at91sam9261"; | |
94e73465 LD |
334 | at91_set_multi_drive(AT91_PIN_PA7, 1); |
335 | at91_set_multi_drive(AT91_PIN_PA8, 1); | |
fac368a0 NV |
336 | } |
337 | ||
86ad76bb AV |
338 | /* pins used for TWI interface */ |
339 | at91_set_A_periph(AT91_PIN_PA7, 0); /* TWD */ | |
86ad76bb | 340 | at91_set_A_periph(AT91_PIN_PA8, 0); /* TWCK */ |
86ad76bb | 341 | |
f230d3f5 | 342 | i2c_register_board_info(0, devices, nr_devices); |
86ad76bb AV |
343 | platform_device_register(&at91sam9261_twi_device); |
344 | } | |
345 | #else | |
f230d3f5 | 346 | void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices) {} |
86ad76bb AV |
347 | #endif |
348 | ||
349 | ||
350 | /* -------------------------------------------------------------------- | |
351 | * SPI | |
352 | * -------------------------------------------------------------------- */ | |
353 | ||
354 | #if defined(CONFIG_SPI_ATMEL) || defined(CONFIG_SPI_ATMEL_MODULE) | |
c6686ff9 | 355 | static u64 spi_dmamask = DMA_BIT_MASK(32); |
86ad76bb AV |
356 | |
357 | static struct resource spi0_resources[] = { | |
358 | [0] = { | |
359 | .start = AT91SAM9261_BASE_SPI0, | |
360 | .end = AT91SAM9261_BASE_SPI0 + SZ_16K - 1, | |
361 | .flags = IORESOURCE_MEM, | |
362 | }, | |
363 | [1] = { | |
8fe82a55 LD |
364 | .start = NR_IRQS_LEGACY + AT91SAM9261_ID_SPI0, |
365 | .end = NR_IRQS_LEGACY + AT91SAM9261_ID_SPI0, | |
86ad76bb AV |
366 | .flags = IORESOURCE_IRQ, |
367 | }, | |
368 | }; | |
369 | ||
370 | static struct platform_device at91sam9261_spi0_device = { | |
371 | .name = "atmel_spi", | |
372 | .id = 0, | |
373 | .dev = { | |
374 | .dma_mask = &spi_dmamask, | |
c6686ff9 | 375 | .coherent_dma_mask = DMA_BIT_MASK(32), |
86ad76bb AV |
376 | }, |
377 | .resource = spi0_resources, | |
378 | .num_resources = ARRAY_SIZE(spi0_resources), | |
379 | }; | |
380 | ||
381 | static const unsigned spi0_standard_cs[4] = { AT91_PIN_PA3, AT91_PIN_PA4, AT91_PIN_PA5, AT91_PIN_PA6 }; | |
382 | ||
383 | static struct resource spi1_resources[] = { | |
384 | [0] = { | |
385 | .start = AT91SAM9261_BASE_SPI1, | |
386 | .end = AT91SAM9261_BASE_SPI1 + SZ_16K - 1, | |
387 | .flags = IORESOURCE_MEM, | |
388 | }, | |
389 | [1] = { | |
8fe82a55 LD |
390 | .start = NR_IRQS_LEGACY + AT91SAM9261_ID_SPI1, |
391 | .end = NR_IRQS_LEGACY + AT91SAM9261_ID_SPI1, | |
86ad76bb AV |
392 | .flags = IORESOURCE_IRQ, |
393 | }, | |
394 | }; | |
395 | ||
396 | static struct platform_device at91sam9261_spi1_device = { | |
397 | .name = "atmel_spi", | |
398 | .id = 1, | |
399 | .dev = { | |
400 | .dma_mask = &spi_dmamask, | |
c6686ff9 | 401 | .coherent_dma_mask = DMA_BIT_MASK(32), |
86ad76bb AV |
402 | }, |
403 | .resource = spi1_resources, | |
404 | .num_resources = ARRAY_SIZE(spi1_resources), | |
405 | }; | |
406 | ||
407 | static const unsigned spi1_standard_cs[4] = { AT91_PIN_PB28, AT91_PIN_PA24, AT91_PIN_PA25, AT91_PIN_PA26 }; | |
408 | ||
409 | void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices) | |
410 | { | |
411 | int i; | |
412 | unsigned long cs_pin; | |
413 | short enable_spi0 = 0; | |
414 | short enable_spi1 = 0; | |
415 | ||
416 | /* Choose SPI chip-selects */ | |
417 | for (i = 0; i < nr_devices; i++) { | |
418 | if (devices[i].controller_data) | |
419 | cs_pin = (unsigned long) devices[i].controller_data; | |
420 | else if (devices[i].bus_num == 0) | |
421 | cs_pin = spi0_standard_cs[devices[i].chip_select]; | |
422 | else | |
423 | cs_pin = spi1_standard_cs[devices[i].chip_select]; | |
424 | ||
0c2c1f62 NF |
425 | if (!gpio_is_valid(cs_pin)) |
426 | continue; | |
427 | ||
86ad76bb AV |
428 | if (devices[i].bus_num == 0) |
429 | enable_spi0 = 1; | |
430 | else | |
431 | enable_spi1 = 1; | |
432 | ||
433 | /* enable chip-select pin */ | |
434 | at91_set_gpio_output(cs_pin, 1); | |
435 | ||
436 | /* pass chip-select pin to driver */ | |
437 | devices[i].controller_data = (void *) cs_pin; | |
438 | } | |
439 | ||
440 | spi_register_board_info(devices, nr_devices); | |
441 | ||
442 | /* Configure SPI bus(es) */ | |
443 | if (enable_spi0) { | |
444 | at91_set_A_periph(AT91_PIN_PA0, 0); /* SPI0_MISO */ | |
445 | at91_set_A_periph(AT91_PIN_PA1, 0); /* SPI0_MOSI */ | |
446 | at91_set_A_periph(AT91_PIN_PA2, 0); /* SPI0_SPCK */ | |
447 | ||
86ad76bb AV |
448 | platform_device_register(&at91sam9261_spi0_device); |
449 | } | |
450 | if (enable_spi1) { | |
451 | at91_set_A_periph(AT91_PIN_PB30, 0); /* SPI1_MISO */ | |
452 | at91_set_A_periph(AT91_PIN_PB31, 0); /* SPI1_MOSI */ | |
453 | at91_set_A_periph(AT91_PIN_PB29, 0); /* SPI1_SPCK */ | |
454 | ||
86ad76bb AV |
455 | platform_device_register(&at91sam9261_spi1_device); |
456 | } | |
457 | } | |
458 | #else | |
459 | void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices) {} | |
460 | #endif | |
461 | ||
462 | ||
463 | /* -------------------------------------------------------------------- | |
464 | * LCD Controller | |
465 | * -------------------------------------------------------------------- */ | |
466 | ||
7776a94c | 467 | #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE) |
c6686ff9 | 468 | static u64 lcdc_dmamask = DMA_BIT_MASK(32); |
8af2c286 | 469 | static struct atmel_lcdfb_pdata lcdc_data; |
86ad76bb AV |
470 | |
471 | static struct resource lcdc_resources[] = { | |
472 | [0] = { | |
473 | .start = AT91SAM9261_LCDC_BASE, | |
474 | .end = AT91SAM9261_LCDC_BASE + SZ_4K - 1, | |
475 | .flags = IORESOURCE_MEM, | |
476 | }, | |
477 | [1] = { | |
8fe82a55 LD |
478 | .start = NR_IRQS_LEGACY + AT91SAM9261_ID_LCDC, |
479 | .end = NR_IRQS_LEGACY + AT91SAM9261_ID_LCDC, | |
86ad76bb AV |
480 | .flags = IORESOURCE_IRQ, |
481 | }, | |
482 | #if defined(CONFIG_FB_INTSRAM) | |
483 | [2] = { | |
484 | .start = AT91SAM9261_SRAM_BASE, | |
485 | .end = AT91SAM9261_SRAM_BASE + AT91SAM9261_SRAM_SIZE - 1, | |
486 | .flags = IORESOURCE_MEM, | |
487 | }, | |
488 | #endif | |
489 | }; | |
490 | ||
491 | static struct platform_device at91_lcdc_device = { | |
86ad76bb AV |
492 | .id = 0, |
493 | .dev = { | |
494 | .dma_mask = &lcdc_dmamask, | |
c6686ff9 | 495 | .coherent_dma_mask = DMA_BIT_MASK(32), |
86ad76bb AV |
496 | .platform_data = &lcdc_data, |
497 | }, | |
498 | .resource = lcdc_resources, | |
499 | .num_resources = ARRAY_SIZE(lcdc_resources), | |
500 | }; | |
501 | ||
8af2c286 | 502 | void __init at91_add_device_lcdc(struct atmel_lcdfb_pdata *data) |
86ad76bb AV |
503 | { |
504 | if (!data) { | |
505 | return; | |
506 | } | |
507 | ||
bbd44f6b JH |
508 | if (cpu_is_at91sam9g10()) |
509 | at91_lcdc_device.name = "at91sam9g10-lcdfb"; | |
510 | else | |
511 | at91_lcdc_device.name = "at91sam9261-lcdfb"; | |
512 | ||
f06e656f AV |
513 | #if defined(CONFIG_FB_ATMEL_STN) |
514 | at91_set_A_periph(AT91_PIN_PB0, 0); /* LCDVSYNC */ | |
515 | at91_set_A_periph(AT91_PIN_PB1, 0); /* LCDHSYNC */ | |
516 | at91_set_A_periph(AT91_PIN_PB2, 0); /* LCDDOTCK */ | |
517 | at91_set_A_periph(AT91_PIN_PB3, 0); /* LCDDEN */ | |
518 | at91_set_A_periph(AT91_PIN_PB4, 0); /* LCDCC */ | |
519 | at91_set_A_periph(AT91_PIN_PB5, 0); /* LCDD0 */ | |
520 | at91_set_A_periph(AT91_PIN_PB6, 0); /* LCDD1 */ | |
521 | at91_set_A_periph(AT91_PIN_PB7, 0); /* LCDD2 */ | |
522 | at91_set_A_periph(AT91_PIN_PB8, 0); /* LCDD3 */ | |
523 | #else | |
86ad76bb AV |
524 | at91_set_A_periph(AT91_PIN_PB1, 0); /* LCDHSYNC */ |
525 | at91_set_A_periph(AT91_PIN_PB2, 0); /* LCDDOTCK */ | |
526 | at91_set_A_periph(AT91_PIN_PB3, 0); /* LCDDEN */ | |
527 | at91_set_A_periph(AT91_PIN_PB4, 0); /* LCDCC */ | |
528 | at91_set_A_periph(AT91_PIN_PB7, 0); /* LCDD2 */ | |
529 | at91_set_A_periph(AT91_PIN_PB8, 0); /* LCDD3 */ | |
530 | at91_set_A_periph(AT91_PIN_PB9, 0); /* LCDD4 */ | |
531 | at91_set_A_periph(AT91_PIN_PB10, 0); /* LCDD5 */ | |
532 | at91_set_A_periph(AT91_PIN_PB11, 0); /* LCDD6 */ | |
533 | at91_set_A_periph(AT91_PIN_PB12, 0); /* LCDD7 */ | |
534 | at91_set_A_periph(AT91_PIN_PB15, 0); /* LCDD10 */ | |
535 | at91_set_A_periph(AT91_PIN_PB16, 0); /* LCDD11 */ | |
536 | at91_set_A_periph(AT91_PIN_PB17, 0); /* LCDD12 */ | |
537 | at91_set_A_periph(AT91_PIN_PB18, 0); /* LCDD13 */ | |
538 | at91_set_A_periph(AT91_PIN_PB19, 0); /* LCDD14 */ | |
539 | at91_set_A_periph(AT91_PIN_PB20, 0); /* LCDD15 */ | |
540 | at91_set_B_periph(AT91_PIN_PB23, 0); /* LCDD18 */ | |
541 | at91_set_B_periph(AT91_PIN_PB24, 0); /* LCDD19 */ | |
542 | at91_set_B_periph(AT91_PIN_PB25, 0); /* LCDD20 */ | |
543 | at91_set_B_periph(AT91_PIN_PB26, 0); /* LCDD21 */ | |
544 | at91_set_B_periph(AT91_PIN_PB27, 0); /* LCDD22 */ | |
545 | at91_set_B_periph(AT91_PIN_PB28, 0); /* LCDD23 */ | |
f06e656f | 546 | #endif |
86ad76bb | 547 | |
01d3a5e7 HS |
548 | if (ARRAY_SIZE(lcdc_resources) > 2) { |
549 | void __iomem *fb; | |
550 | struct resource *fb_res = &lcdc_resources[2]; | |
28f65c11 | 551 | size_t fb_len = resource_size(fb_res); |
01d3a5e7 | 552 | |
90898709 | 553 | fb = ioremap(fb_res->start, fb_len); |
01d3a5e7 HS |
554 | if (fb) { |
555 | memset(fb, 0, fb_len); | |
90898709 | 556 | iounmap(fb); |
01d3a5e7 HS |
557 | } |
558 | } | |
86ad76bb AV |
559 | lcdc_data = *data; |
560 | platform_device_register(&at91_lcdc_device); | |
561 | } | |
562 | #else | |
8af2c286 | 563 | void __init at91_add_device_lcdc(struct atmel_lcdfb_pdata *data) {} |
86ad76bb AV |
564 | #endif |
565 | ||
566 | ||
e5f40bfa AV |
567 | /* -------------------------------------------------------------------- |
568 | * Timer/Counter block | |
569 | * -------------------------------------------------------------------- */ | |
570 | ||
571 | #ifdef CONFIG_ATMEL_TCLIB | |
572 | ||
573 | static struct resource tcb_resources[] = { | |
574 | [0] = { | |
575 | .start = AT91SAM9261_BASE_TCB0, | |
576 | .end = AT91SAM9261_BASE_TCB0 + SZ_16K - 1, | |
577 | .flags = IORESOURCE_MEM, | |
578 | }, | |
579 | [1] = { | |
8fe82a55 LD |
580 | .start = NR_IRQS_LEGACY + AT91SAM9261_ID_TC0, |
581 | .end = NR_IRQS_LEGACY + AT91SAM9261_ID_TC0, | |
e5f40bfa AV |
582 | .flags = IORESOURCE_IRQ, |
583 | }, | |
584 | [2] = { | |
8fe82a55 LD |
585 | .start = NR_IRQS_LEGACY + AT91SAM9261_ID_TC1, |
586 | .end = NR_IRQS_LEGACY + AT91SAM9261_ID_TC1, | |
e5f40bfa AV |
587 | .flags = IORESOURCE_IRQ, |
588 | }, | |
589 | [3] = { | |
8fe82a55 LD |
590 | .start = NR_IRQS_LEGACY + AT91SAM9261_ID_TC2, |
591 | .end = NR_IRQS_LEGACY + AT91SAM9261_ID_TC2, | |
e5f40bfa AV |
592 | .flags = IORESOURCE_IRQ, |
593 | }, | |
594 | }; | |
595 | ||
596 | static struct platform_device at91sam9261_tcb_device = { | |
597 | .name = "atmel_tcb", | |
598 | .id = 0, | |
599 | .resource = tcb_resources, | |
600 | .num_resources = ARRAY_SIZE(tcb_resources), | |
601 | }; | |
602 | ||
603 | static void __init at91_add_device_tc(void) | |
604 | { | |
e5f40bfa AV |
605 | platform_device_register(&at91sam9261_tcb_device); |
606 | } | |
607 | #else | |
608 | static void __init at91_add_device_tc(void) { } | |
609 | #endif | |
610 | ||
611 | ||
884f5a6a AV |
612 | /* -------------------------------------------------------------------- |
613 | * RTT | |
614 | * -------------------------------------------------------------------- */ | |
615 | ||
616 | static struct resource rtt_resources[] = { | |
617 | { | |
eab5fd67 JCPV |
618 | .start = AT91SAM9261_BASE_RTT, |
619 | .end = AT91SAM9261_BASE_RTT + SZ_16 - 1, | |
884f5a6a | 620 | .flags = IORESOURCE_MEM, |
b3af8b49 JCPV |
621 | }, { |
622 | .flags = IORESOURCE_MEM, | |
e402af6c LD |
623 | }, { |
624 | .flags = IORESOURCE_IRQ, | |
884f5a6a AV |
625 | } |
626 | }; | |
627 | ||
628 | static struct platform_device at91sam9261_rtt_device = { | |
629 | .name = "at91_rtt", | |
4fd9212c | 630 | .id = 0, |
884f5a6a | 631 | .resource = rtt_resources, |
884f5a6a AV |
632 | }; |
633 | ||
205056a3 JCPV |
634 | #if IS_ENABLED(CONFIG_RTC_DRV_AT91SAM9) |
635 | static void __init at91_add_device_rtt_rtc(void) | |
636 | { | |
637 | at91sam9261_rtt_device.name = "rtc-at91sam9"; | |
b3af8b49 JCPV |
638 | /* |
639 | * The second resource is needed: | |
640 | * GPBR will serve as the storage for RTC time offset | |
641 | */ | |
e402af6c | 642 | at91sam9261_rtt_device.num_resources = 3; |
b3af8b49 JCPV |
643 | rtt_resources[1].start = AT91SAM9261_BASE_GPBR + |
644 | 4 * CONFIG_RTC_DRV_AT91SAM9_GPBR; | |
645 | rtt_resources[1].end = rtt_resources[1].start + 3; | |
e402af6c LD |
646 | rtt_resources[2].start = NR_IRQS_LEGACY + AT91_ID_SYS; |
647 | rtt_resources[2].end = NR_IRQS_LEGACY + AT91_ID_SYS; | |
205056a3 JCPV |
648 | } |
649 | #else | |
b3af8b49 JCPV |
650 | static void __init at91_add_device_rtt_rtc(void) |
651 | { | |
652 | /* Only one resource is needed: RTT not used as RTC */ | |
653 | at91sam9261_rtt_device.num_resources = 1; | |
654 | } | |
205056a3 JCPV |
655 | #endif |
656 | ||
884f5a6a AV |
657 | static void __init at91_add_device_rtt(void) |
658 | { | |
205056a3 | 659 | at91_add_device_rtt_rtc(); |
884f5a6a AV |
660 | platform_device_register(&at91sam9261_rtt_device); |
661 | } | |
662 | ||
663 | ||
664 | /* -------------------------------------------------------------------- | |
665 | * Watchdog | |
666 | * -------------------------------------------------------------------- */ | |
667 | ||
2af29b78 | 668 | #if defined(CONFIG_AT91SAM9X_WATCHDOG) || defined(CONFIG_AT91SAM9X_WATCHDOG_MODULE) |
c1c30a29 JCPV |
669 | static struct resource wdt_resources[] = { |
670 | { | |
671 | .start = AT91SAM9261_BASE_WDT, | |
672 | .end = AT91SAM9261_BASE_WDT + SZ_16 - 1, | |
673 | .flags = IORESOURCE_MEM, | |
674 | } | |
675 | }; | |
676 | ||
884f5a6a AV |
677 | static struct platform_device at91sam9261_wdt_device = { |
678 | .name = "at91_wdt", | |
679 | .id = -1, | |
c1c30a29 JCPV |
680 | .resource = wdt_resources, |
681 | .num_resources = ARRAY_SIZE(wdt_resources), | |
884f5a6a AV |
682 | }; |
683 | ||
684 | static void __init at91_add_device_watchdog(void) | |
685 | { | |
686 | platform_device_register(&at91sam9261_wdt_device); | |
687 | } | |
688 | #else | |
689 | static void __init at91_add_device_watchdog(void) {} | |
690 | #endif | |
691 | ||
692 | ||
bfbc3266 AV |
693 | /* -------------------------------------------------------------------- |
694 | * SSC -- Synchronous Serial Controller | |
695 | * -------------------------------------------------------------------- */ | |
696 | ||
697 | #if defined(CONFIG_ATMEL_SSC) || defined(CONFIG_ATMEL_SSC_MODULE) | |
698 | static u64 ssc0_dmamask = DMA_BIT_MASK(32); | |
699 | ||
700 | static struct resource ssc0_resources[] = { | |
701 | [0] = { | |
702 | .start = AT91SAM9261_BASE_SSC0, | |
703 | .end = AT91SAM9261_BASE_SSC0 + SZ_16K - 1, | |
704 | .flags = IORESOURCE_MEM, | |
705 | }, | |
706 | [1] = { | |
8fe82a55 LD |
707 | .start = NR_IRQS_LEGACY + AT91SAM9261_ID_SSC0, |
708 | .end = NR_IRQS_LEGACY + AT91SAM9261_ID_SSC0, | |
bfbc3266 AV |
709 | .flags = IORESOURCE_IRQ, |
710 | }, | |
711 | }; | |
712 | ||
713 | static struct platform_device at91sam9261_ssc0_device = { | |
636036d2 | 714 | .name = "at91rm9200_ssc", |
bfbc3266 AV |
715 | .id = 0, |
716 | .dev = { | |
717 | .dma_mask = &ssc0_dmamask, | |
718 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
719 | }, | |
720 | .resource = ssc0_resources, | |
721 | .num_resources = ARRAY_SIZE(ssc0_resources), | |
722 | }; | |
723 | ||
724 | static inline void configure_ssc0_pins(unsigned pins) | |
725 | { | |
726 | if (pins & ATMEL_SSC_TF) | |
727 | at91_set_A_periph(AT91_PIN_PB21, 1); | |
728 | if (pins & ATMEL_SSC_TK) | |
729 | at91_set_A_periph(AT91_PIN_PB22, 1); | |
730 | if (pins & ATMEL_SSC_TD) | |
731 | at91_set_A_periph(AT91_PIN_PB23, 1); | |
732 | if (pins & ATMEL_SSC_RD) | |
733 | at91_set_A_periph(AT91_PIN_PB24, 1); | |
734 | if (pins & ATMEL_SSC_RK) | |
735 | at91_set_A_periph(AT91_PIN_PB25, 1); | |
736 | if (pins & ATMEL_SSC_RF) | |
737 | at91_set_A_periph(AT91_PIN_PB26, 1); | |
738 | } | |
739 | ||
740 | static u64 ssc1_dmamask = DMA_BIT_MASK(32); | |
741 | ||
742 | static struct resource ssc1_resources[] = { | |
743 | [0] = { | |
744 | .start = AT91SAM9261_BASE_SSC1, | |
745 | .end = AT91SAM9261_BASE_SSC1 + SZ_16K - 1, | |
746 | .flags = IORESOURCE_MEM, | |
747 | }, | |
748 | [1] = { | |
8fe82a55 LD |
749 | .start = NR_IRQS_LEGACY + AT91SAM9261_ID_SSC1, |
750 | .end = NR_IRQS_LEGACY + AT91SAM9261_ID_SSC1, | |
bfbc3266 AV |
751 | .flags = IORESOURCE_IRQ, |
752 | }, | |
753 | }; | |
754 | ||
755 | static struct platform_device at91sam9261_ssc1_device = { | |
636036d2 | 756 | .name = "at91rm9200_ssc", |
bfbc3266 AV |
757 | .id = 1, |
758 | .dev = { | |
759 | .dma_mask = &ssc1_dmamask, | |
760 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
761 | }, | |
762 | .resource = ssc1_resources, | |
763 | .num_resources = ARRAY_SIZE(ssc1_resources), | |
764 | }; | |
765 | ||
766 | static inline void configure_ssc1_pins(unsigned pins) | |
767 | { | |
768 | if (pins & ATMEL_SSC_TF) | |
769 | at91_set_B_periph(AT91_PIN_PA17, 1); | |
770 | if (pins & ATMEL_SSC_TK) | |
771 | at91_set_B_periph(AT91_PIN_PA18, 1); | |
772 | if (pins & ATMEL_SSC_TD) | |
773 | at91_set_B_periph(AT91_PIN_PA19, 1); | |
774 | if (pins & ATMEL_SSC_RD) | |
775 | at91_set_B_periph(AT91_PIN_PA20, 1); | |
776 | if (pins & ATMEL_SSC_RK) | |
777 | at91_set_B_periph(AT91_PIN_PA21, 1); | |
778 | if (pins & ATMEL_SSC_RF) | |
779 | at91_set_B_periph(AT91_PIN_PA22, 1); | |
780 | } | |
781 | ||
782 | static u64 ssc2_dmamask = DMA_BIT_MASK(32); | |
783 | ||
784 | static struct resource ssc2_resources[] = { | |
785 | [0] = { | |
786 | .start = AT91SAM9261_BASE_SSC2, | |
787 | .end = AT91SAM9261_BASE_SSC2 + SZ_16K - 1, | |
788 | .flags = IORESOURCE_MEM, | |
789 | }, | |
790 | [1] = { | |
8fe82a55 LD |
791 | .start = NR_IRQS_LEGACY + AT91SAM9261_ID_SSC2, |
792 | .end = NR_IRQS_LEGACY + AT91SAM9261_ID_SSC2, | |
bfbc3266 AV |
793 | .flags = IORESOURCE_IRQ, |
794 | }, | |
795 | }; | |
796 | ||
797 | static struct platform_device at91sam9261_ssc2_device = { | |
636036d2 | 798 | .name = "at91rm9200_ssc", |
bfbc3266 AV |
799 | .id = 2, |
800 | .dev = { | |
801 | .dma_mask = &ssc2_dmamask, | |
802 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
803 | }, | |
804 | .resource = ssc2_resources, | |
805 | .num_resources = ARRAY_SIZE(ssc2_resources), | |
806 | }; | |
807 | ||
808 | static inline void configure_ssc2_pins(unsigned pins) | |
809 | { | |
810 | if (pins & ATMEL_SSC_TF) | |
811 | at91_set_B_periph(AT91_PIN_PC25, 1); | |
812 | if (pins & ATMEL_SSC_TK) | |
813 | at91_set_B_periph(AT91_PIN_PC26, 1); | |
814 | if (pins & ATMEL_SSC_TD) | |
815 | at91_set_B_periph(AT91_PIN_PC27, 1); | |
816 | if (pins & ATMEL_SSC_RD) | |
817 | at91_set_B_periph(AT91_PIN_PC28, 1); | |
818 | if (pins & ATMEL_SSC_RK) | |
819 | at91_set_B_periph(AT91_PIN_PC29, 1); | |
820 | if (pins & ATMEL_SSC_RF) | |
821 | at91_set_B_periph(AT91_PIN_PC30, 1); | |
822 | } | |
823 | ||
824 | /* | |
825 | * SSC controllers are accessed through library code, instead of any | |
826 | * kind of all-singing/all-dancing driver. For example one could be | |
827 | * used by a particular I2S audio codec's driver, while another one | |
828 | * on the same system might be used by a custom data capture driver. | |
829 | */ | |
830 | void __init at91_add_device_ssc(unsigned id, unsigned pins) | |
831 | { | |
832 | struct platform_device *pdev; | |
833 | ||
834 | /* | |
835 | * NOTE: caller is responsible for passing information matching | |
836 | * "pins" to whatever will be using each particular controller. | |
837 | */ | |
838 | switch (id) { | |
839 | case AT91SAM9261_ID_SSC0: | |
840 | pdev = &at91sam9261_ssc0_device; | |
841 | configure_ssc0_pins(pins); | |
bfbc3266 AV |
842 | break; |
843 | case AT91SAM9261_ID_SSC1: | |
844 | pdev = &at91sam9261_ssc1_device; | |
845 | configure_ssc1_pins(pins); | |
bfbc3266 AV |
846 | break; |
847 | case AT91SAM9261_ID_SSC2: | |
848 | pdev = &at91sam9261_ssc2_device; | |
849 | configure_ssc2_pins(pins); | |
bfbc3266 AV |
850 | break; |
851 | default: | |
852 | return; | |
853 | } | |
854 | ||
855 | platform_device_register(pdev); | |
856 | } | |
857 | ||
858 | #else | |
859 | void __init at91_add_device_ssc(unsigned id, unsigned pins) {} | |
860 | #endif | |
861 | ||
862 | ||
86ad76bb AV |
863 | /* -------------------------------------------------------------------- |
864 | * UART | |
865 | * -------------------------------------------------------------------- */ | |
866 | ||
867 | #if defined(CONFIG_SERIAL_ATMEL) | |
868 | static struct resource dbgu_resources[] = { | |
869 | [0] = { | |
13079a73 JCPV |
870 | .start = AT91SAM9261_BASE_DBGU, |
871 | .end = AT91SAM9261_BASE_DBGU + SZ_512 - 1, | |
86ad76bb AV |
872 | .flags = IORESOURCE_MEM, |
873 | }, | |
874 | [1] = { | |
8fe82a55 LD |
875 | .start = NR_IRQS_LEGACY + AT91_ID_SYS, |
876 | .end = NR_IRQS_LEGACY + AT91_ID_SYS, | |
86ad76bb AV |
877 | .flags = IORESOURCE_IRQ, |
878 | }, | |
879 | }; | |
880 | ||
881 | static struct atmel_uart_data dbgu_data = { | |
882 | .use_dma_tx = 0, | |
883 | .use_dma_rx = 0, /* DBGU not capable of receive DMA */ | |
354e57f3 | 884 | .rts_gpio = -EINVAL, |
86ad76bb AV |
885 | }; |
886 | ||
c6686ff9 AV |
887 | static u64 dbgu_dmamask = DMA_BIT_MASK(32); |
888 | ||
86ad76bb AV |
889 | static struct platform_device at91sam9261_dbgu_device = { |
890 | .name = "atmel_usart", | |
891 | .id = 0, | |
892 | .dev = { | |
c6686ff9 AV |
893 | .dma_mask = &dbgu_dmamask, |
894 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
895 | .platform_data = &dbgu_data, | |
86ad76bb AV |
896 | }, |
897 | .resource = dbgu_resources, | |
898 | .num_resources = ARRAY_SIZE(dbgu_resources), | |
899 | }; | |
900 | ||
901 | static inline void configure_dbgu_pins(void) | |
902 | { | |
903 | at91_set_A_periph(AT91_PIN_PA9, 0); /* DRXD */ | |
904 | at91_set_A_periph(AT91_PIN_PA10, 1); /* DTXD */ | |
905 | } | |
906 | ||
907 | static struct resource uart0_resources[] = { | |
908 | [0] = { | |
909 | .start = AT91SAM9261_BASE_US0, | |
910 | .end = AT91SAM9261_BASE_US0 + SZ_16K - 1, | |
911 | .flags = IORESOURCE_MEM, | |
912 | }, | |
913 | [1] = { | |
8fe82a55 LD |
914 | .start = NR_IRQS_LEGACY + AT91SAM9261_ID_US0, |
915 | .end = NR_IRQS_LEGACY + AT91SAM9261_ID_US0, | |
86ad76bb AV |
916 | .flags = IORESOURCE_IRQ, |
917 | }, | |
918 | }; | |
919 | ||
920 | static struct atmel_uart_data uart0_data = { | |
921 | .use_dma_tx = 1, | |
922 | .use_dma_rx = 1, | |
354e57f3 | 923 | .rts_gpio = -EINVAL, |
86ad76bb AV |
924 | }; |
925 | ||
c6686ff9 AV |
926 | static u64 uart0_dmamask = DMA_BIT_MASK(32); |
927 | ||
86ad76bb AV |
928 | static struct platform_device at91sam9261_uart0_device = { |
929 | .name = "atmel_usart", | |
930 | .id = 1, | |
931 | .dev = { | |
c6686ff9 AV |
932 | .dma_mask = &uart0_dmamask, |
933 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
934 | .platform_data = &uart0_data, | |
86ad76bb AV |
935 | }, |
936 | .resource = uart0_resources, | |
937 | .num_resources = ARRAY_SIZE(uart0_resources), | |
938 | }; | |
939 | ||
c8f385a6 | 940 | static inline void configure_usart0_pins(unsigned pins) |
86ad76bb AV |
941 | { |
942 | at91_set_A_periph(AT91_PIN_PC8, 1); /* TXD0 */ | |
943 | at91_set_A_periph(AT91_PIN_PC9, 0); /* RXD0 */ | |
c8f385a6 AV |
944 | |
945 | if (pins & ATMEL_UART_RTS) | |
946 | at91_set_A_periph(AT91_PIN_PC10, 0); /* RTS0 */ | |
947 | if (pins & ATMEL_UART_CTS) | |
948 | at91_set_A_periph(AT91_PIN_PC11, 0); /* CTS0 */ | |
86ad76bb AV |
949 | } |
950 | ||
951 | static struct resource uart1_resources[] = { | |
952 | [0] = { | |
953 | .start = AT91SAM9261_BASE_US1, | |
954 | .end = AT91SAM9261_BASE_US1 + SZ_16K - 1, | |
955 | .flags = IORESOURCE_MEM, | |
956 | }, | |
957 | [1] = { | |
8fe82a55 LD |
958 | .start = NR_IRQS_LEGACY + AT91SAM9261_ID_US1, |
959 | .end = NR_IRQS_LEGACY + AT91SAM9261_ID_US1, | |
86ad76bb AV |
960 | .flags = IORESOURCE_IRQ, |
961 | }, | |
962 | }; | |
963 | ||
964 | static struct atmel_uart_data uart1_data = { | |
965 | .use_dma_tx = 1, | |
966 | .use_dma_rx = 1, | |
354e57f3 | 967 | .rts_gpio = -EINVAL, |
86ad76bb AV |
968 | }; |
969 | ||
c6686ff9 AV |
970 | static u64 uart1_dmamask = DMA_BIT_MASK(32); |
971 | ||
86ad76bb AV |
972 | static struct platform_device at91sam9261_uart1_device = { |
973 | .name = "atmel_usart", | |
974 | .id = 2, | |
975 | .dev = { | |
c6686ff9 AV |
976 | .dma_mask = &uart1_dmamask, |
977 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
978 | .platform_data = &uart1_data, | |
86ad76bb AV |
979 | }, |
980 | .resource = uart1_resources, | |
981 | .num_resources = ARRAY_SIZE(uart1_resources), | |
982 | }; | |
983 | ||
c8f385a6 | 984 | static inline void configure_usart1_pins(unsigned pins) |
86ad76bb AV |
985 | { |
986 | at91_set_A_periph(AT91_PIN_PC12, 1); /* TXD1 */ | |
987 | at91_set_A_periph(AT91_PIN_PC13, 0); /* RXD1 */ | |
c8f385a6 AV |
988 | |
989 | if (pins & ATMEL_UART_RTS) | |
990 | at91_set_B_periph(AT91_PIN_PA12, 0); /* RTS1 */ | |
991 | if (pins & ATMEL_UART_CTS) | |
992 | at91_set_B_periph(AT91_PIN_PA13, 0); /* CTS1 */ | |
86ad76bb AV |
993 | } |
994 | ||
995 | static struct resource uart2_resources[] = { | |
996 | [0] = { | |
997 | .start = AT91SAM9261_BASE_US2, | |
998 | .end = AT91SAM9261_BASE_US2 + SZ_16K - 1, | |
999 | .flags = IORESOURCE_MEM, | |
1000 | }, | |
1001 | [1] = { | |
8fe82a55 LD |
1002 | .start = NR_IRQS_LEGACY + AT91SAM9261_ID_US2, |
1003 | .end = NR_IRQS_LEGACY + AT91SAM9261_ID_US2, | |
86ad76bb AV |
1004 | .flags = IORESOURCE_IRQ, |
1005 | }, | |
1006 | }; | |
1007 | ||
1008 | static struct atmel_uart_data uart2_data = { | |
1009 | .use_dma_tx = 1, | |
1010 | .use_dma_rx = 1, | |
354e57f3 | 1011 | .rts_gpio = -EINVAL, |
86ad76bb AV |
1012 | }; |
1013 | ||
c6686ff9 AV |
1014 | static u64 uart2_dmamask = DMA_BIT_MASK(32); |
1015 | ||
86ad76bb AV |
1016 | static struct platform_device at91sam9261_uart2_device = { |
1017 | .name = "atmel_usart", | |
1018 | .id = 3, | |
1019 | .dev = { | |
c6686ff9 AV |
1020 | .dma_mask = &uart2_dmamask, |
1021 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
1022 | .platform_data = &uart2_data, | |
86ad76bb AV |
1023 | }, |
1024 | .resource = uart2_resources, | |
1025 | .num_resources = ARRAY_SIZE(uart2_resources), | |
1026 | }; | |
1027 | ||
c8f385a6 | 1028 | static inline void configure_usart2_pins(unsigned pins) |
86ad76bb AV |
1029 | { |
1030 | at91_set_A_periph(AT91_PIN_PC15, 0); /* RXD2 */ | |
1031 | at91_set_A_periph(AT91_PIN_PC14, 1); /* TXD2 */ | |
c8f385a6 AV |
1032 | |
1033 | if (pins & ATMEL_UART_RTS) | |
1034 | at91_set_B_periph(AT91_PIN_PA15, 0); /* RTS2*/ | |
1035 | if (pins & ATMEL_UART_CTS) | |
1036 | at91_set_B_periph(AT91_PIN_PA16, 0); /* CTS2 */ | |
86ad76bb AV |
1037 | } |
1038 | ||
11aadac4 | 1039 | static struct platform_device *__initdata at91_uarts[ATMEL_MAX_UART]; /* the UARTs to use */ |
86ad76bb | 1040 | |
c8f385a6 AV |
1041 | void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins) |
1042 | { | |
1043 | struct platform_device *pdev; | |
2b348e2f | 1044 | struct atmel_uart_data *pdata; |
c8f385a6 AV |
1045 | |
1046 | switch (id) { | |
1047 | case 0: /* DBGU */ | |
1048 | pdev = &at91sam9261_dbgu_device; | |
1049 | configure_dbgu_pins(); | |
c8f385a6 AV |
1050 | break; |
1051 | case AT91SAM9261_ID_US0: | |
1052 | pdev = &at91sam9261_uart0_device; | |
1053 | configure_usart0_pins(pins); | |
c8f385a6 AV |
1054 | break; |
1055 | case AT91SAM9261_ID_US1: | |
1056 | pdev = &at91sam9261_uart1_device; | |
1057 | configure_usart1_pins(pins); | |
c8f385a6 AV |
1058 | break; |
1059 | case AT91SAM9261_ID_US2: | |
1060 | pdev = &at91sam9261_uart2_device; | |
1061 | configure_usart2_pins(pins); | |
c8f385a6 AV |
1062 | break; |
1063 | default: | |
1064 | return; | |
1065 | } | |
2b348e2f JCPV |
1066 | pdata = pdev->dev.platform_data; |
1067 | pdata->num = portnr; /* update to mapped ID */ | |
c8f385a6 AV |
1068 | |
1069 | if (portnr < ATMEL_MAX_UART) | |
1070 | at91_uarts[portnr] = pdev; | |
1071 | } | |
1072 | ||
86ad76bb AV |
1073 | void __init at91_add_device_serial(void) |
1074 | { | |
1075 | int i; | |
1076 | ||
1077 | for (i = 0; i < ATMEL_MAX_UART; i++) { | |
1078 | if (at91_uarts[i]) | |
1079 | platform_device_register(at91_uarts[i]); | |
1080 | } | |
1081 | } | |
1082 | #else | |
c8f385a6 | 1083 | void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins) {} |
86ad76bb AV |
1084 | void __init at91_add_device_serial(void) {} |
1085 | #endif | |
1086 | ||
1087 | ||
1088 | /* -------------------------------------------------------------------- */ | |
1089 | ||
1090 | /* | |
1091 | * These devices are always present and don't need any board-specific | |
1092 | * setup. | |
1093 | */ | |
1094 | static int __init at91_add_standard_devices(void) | |
1095 | { | |
884f5a6a AV |
1096 | at91_add_device_rtt(); |
1097 | at91_add_device_watchdog(); | |
e5f40bfa | 1098 | at91_add_device_tc(); |
86ad76bb AV |
1099 | return 0; |
1100 | } | |
1101 | ||
1102 | arch_initcall(at91_add_standard_devices); |