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877d7720 AV |
1 | /* |
2 | * Copyright (C) 2007 Atmel Corporation | |
3 | * | |
4 | * This file is subject to the terms and conditions of the GNU General Public | |
5 | * License. See the file COPYING in the main directory of this archive for | |
6 | * more details. | |
7 | */ | |
8 | ||
9 | #include <asm/mach/arch.h> | |
10 | #include <asm/mach/map.h> | |
11 | ||
c6686ff9 | 12 | #include <linux/dma-mapping.h> |
877d7720 | 13 | #include <linux/platform_device.h> |
f230d3f5 | 14 | #include <linux/i2c-gpio.h> |
877d7720 | 15 | |
f230d3f5 | 16 | #include <linux/fb.h> |
877d7720 AV |
17 | #include <video/atmel_lcdc.h> |
18 | ||
a09e64fb RK |
19 | #include <mach/board.h> |
20 | #include <mach/gpio.h> | |
21 | #include <mach/at91sam9rl.h> | |
22 | #include <mach/at91sam9rl_matrix.h> | |
23 | #include <mach/at91sam9_smc.h> | |
6ff89e9d | 24 | #include <mach/at_hdmac.h> |
877d7720 AV |
25 | |
26 | #include "generic.h" | |
27 | ||
877d7720 | 28 | |
6ff89e9d NF |
29 | /* -------------------------------------------------------------------- |
30 | * HDMAC - AHB DMA Controller | |
31 | * -------------------------------------------------------------------- */ | |
32 | ||
33 | #if defined(CONFIG_AT_HDMAC) || defined(CONFIG_AT_HDMAC_MODULE) | |
34 | static u64 hdmac_dmamask = DMA_BIT_MASK(32); | |
35 | ||
36 | static struct at_dma_platform_data atdma_pdata = { | |
37 | .nr_channels = 2, | |
38 | }; | |
39 | ||
40 | static struct resource hdmac_resources[] = { | |
41 | [0] = { | |
42 | .start = AT91_BASE_SYS + AT91_DMA, | |
43 | .end = AT91_BASE_SYS + AT91_DMA + SZ_512 - 1, | |
44 | .flags = IORESOURCE_MEM, | |
45 | }, | |
46 | [2] = { | |
47 | .start = AT91SAM9RL_ID_DMA, | |
48 | .end = AT91SAM9RL_ID_DMA, | |
49 | .flags = IORESOURCE_IRQ, | |
50 | }, | |
51 | }; | |
52 | ||
53 | static struct platform_device at_hdmac_device = { | |
54 | .name = "at_hdmac", | |
55 | .id = -1, | |
56 | .dev = { | |
57 | .dma_mask = &hdmac_dmamask, | |
58 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
59 | .platform_data = &atdma_pdata, | |
60 | }, | |
61 | .resource = hdmac_resources, | |
62 | .num_resources = ARRAY_SIZE(hdmac_resources), | |
63 | }; | |
64 | ||
65 | void __init at91_add_device_hdmac(void) | |
66 | { | |
67 | dma_cap_set(DMA_MEMCPY, atdma_pdata.cap_mask); | |
68 | platform_device_register(&at_hdmac_device); | |
69 | } | |
70 | #else | |
71 | void __init at91_add_device_hdmac(void) {} | |
72 | #endif | |
73 | ||
ba45ca43 NF |
74 | /* -------------------------------------------------------------------- |
75 | * USB HS Device (Gadget) | |
76 | * -------------------------------------------------------------------- */ | |
77 | ||
78 | #if defined(CONFIG_USB_GADGET_ATMEL_USBA) || defined(CONFIG_USB_GADGET_ATMEL_USBA_MODULE) | |
79 | ||
80 | static struct resource usba_udc_resources[] = { | |
81 | [0] = { | |
82 | .start = AT91SAM9RL_UDPHS_FIFO, | |
83 | .end = AT91SAM9RL_UDPHS_FIFO + SZ_512K - 1, | |
84 | .flags = IORESOURCE_MEM, | |
85 | }, | |
86 | [1] = { | |
87 | .start = AT91SAM9RL_BASE_UDPHS, | |
88 | .end = AT91SAM9RL_BASE_UDPHS + SZ_1K - 1, | |
89 | .flags = IORESOURCE_MEM, | |
90 | }, | |
91 | [2] = { | |
92 | .start = AT91SAM9RL_ID_UDPHS, | |
93 | .end = AT91SAM9RL_ID_UDPHS, | |
94 | .flags = IORESOURCE_IRQ, | |
95 | }, | |
96 | }; | |
97 | ||
98 | #define EP(nam, idx, maxpkt, maxbk, dma, isoc) \ | |
99 | [idx] = { \ | |
100 | .name = nam, \ | |
101 | .index = idx, \ | |
102 | .fifo_size = maxpkt, \ | |
103 | .nr_banks = maxbk, \ | |
104 | .can_dma = dma, \ | |
105 | .can_isoc = isoc, \ | |
106 | } | |
107 | ||
108 | static struct usba_ep_data usba_udc_ep[] __initdata = { | |
109 | EP("ep0", 0, 64, 1, 0, 0), | |
110 | EP("ep1", 1, 1024, 2, 1, 1), | |
111 | EP("ep2", 2, 1024, 2, 1, 1), | |
112 | EP("ep3", 3, 1024, 3, 1, 0), | |
113 | EP("ep4", 4, 1024, 3, 1, 0), | |
114 | EP("ep5", 5, 1024, 3, 1, 1), | |
115 | EP("ep6", 6, 1024, 3, 1, 1), | |
116 | }; | |
117 | ||
118 | #undef EP | |
119 | ||
120 | /* | |
121 | * pdata doesn't have room for any endpoints, so we need to | |
122 | * append room for the ones we need right after it. | |
123 | */ | |
124 | static struct { | |
125 | struct usba_platform_data pdata; | |
126 | struct usba_ep_data ep[7]; | |
127 | } usba_udc_data; | |
128 | ||
129 | static struct platform_device at91_usba_udc_device = { | |
130 | .name = "atmel_usba_udc", | |
131 | .id = -1, | |
132 | .dev = { | |
133 | .platform_data = &usba_udc_data.pdata, | |
134 | }, | |
135 | .resource = usba_udc_resources, | |
136 | .num_resources = ARRAY_SIZE(usba_udc_resources), | |
137 | }; | |
138 | ||
139 | void __init at91_add_device_usba(struct usba_platform_data *data) | |
140 | { | |
141 | /* | |
142 | * Invalid pins are 0 on AT91, but the usba driver is shared | |
143 | * with AVR32, which use negative values instead. Once/if | |
144 | * gpio_is_valid() is ported to AT91, revisit this code. | |
145 | */ | |
146 | usba_udc_data.pdata.vbus_pin = -EINVAL; | |
147 | usba_udc_data.pdata.num_ep = ARRAY_SIZE(usba_udc_ep); | |
148 | memcpy(usba_udc_data.ep, usba_udc_ep, sizeof(usba_udc_ep));; | |
149 | ||
150 | if (data && data->vbus_pin > 0) { | |
151 | at91_set_gpio_input(data->vbus_pin, 0); | |
152 | at91_set_deglitch(data->vbus_pin, 1); | |
153 | usba_udc_data.pdata.vbus_pin = data->vbus_pin; | |
154 | } | |
155 | ||
156 | /* Pullup pin is handled internally by USB device peripheral */ | |
157 | ||
158 | /* Clocks */ | |
159 | at91_clock_associate("utmi_clk", &at91_usba_udc_device.dev, "hclk"); | |
160 | at91_clock_associate("udphs_clk", &at91_usba_udc_device.dev, "pclk"); | |
161 | ||
162 | platform_device_register(&at91_usba_udc_device); | |
163 | } | |
164 | #else | |
165 | void __init at91_add_device_usba(struct usba_platform_data *data) {} | |
166 | #endif | |
167 | ||
168 | ||
877d7720 AV |
169 | /* -------------------------------------------------------------------- |
170 | * MMC / SD | |
171 | * -------------------------------------------------------------------- */ | |
172 | ||
173 | #if defined(CONFIG_MMC_AT91) || defined(CONFIG_MMC_AT91_MODULE) | |
c6686ff9 | 174 | static u64 mmc_dmamask = DMA_BIT_MASK(32); |
877d7720 AV |
175 | static struct at91_mmc_data mmc_data; |
176 | ||
177 | static struct resource mmc_resources[] = { | |
178 | [0] = { | |
179 | .start = AT91SAM9RL_BASE_MCI, | |
180 | .end = AT91SAM9RL_BASE_MCI + SZ_16K - 1, | |
181 | .flags = IORESOURCE_MEM, | |
182 | }, | |
183 | [1] = { | |
184 | .start = AT91SAM9RL_ID_MCI, | |
185 | .end = AT91SAM9RL_ID_MCI, | |
186 | .flags = IORESOURCE_IRQ, | |
187 | }, | |
188 | }; | |
189 | ||
190 | static struct platform_device at91sam9rl_mmc_device = { | |
191 | .name = "at91_mci", | |
192 | .id = -1, | |
193 | .dev = { | |
194 | .dma_mask = &mmc_dmamask, | |
c6686ff9 | 195 | .coherent_dma_mask = DMA_BIT_MASK(32), |
877d7720 AV |
196 | .platform_data = &mmc_data, |
197 | }, | |
198 | .resource = mmc_resources, | |
199 | .num_resources = ARRAY_SIZE(mmc_resources), | |
200 | }; | |
201 | ||
202 | void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data) | |
203 | { | |
204 | if (!data) | |
205 | return; | |
206 | ||
207 | /* input/irq */ | |
208 | if (data->det_pin) { | |
209 | at91_set_gpio_input(data->det_pin, 1); | |
210 | at91_set_deglitch(data->det_pin, 1); | |
211 | } | |
212 | if (data->wp_pin) | |
213 | at91_set_gpio_input(data->wp_pin, 1); | |
214 | if (data->vcc_pin) | |
215 | at91_set_gpio_output(data->vcc_pin, 0); | |
216 | ||
217 | /* CLK */ | |
218 | at91_set_A_periph(AT91_PIN_PA2, 0); | |
219 | ||
220 | /* CMD */ | |
221 | at91_set_A_periph(AT91_PIN_PA1, 1); | |
222 | ||
223 | /* DAT0, maybe DAT1..DAT3 */ | |
224 | at91_set_A_periph(AT91_PIN_PA0, 1); | |
225 | if (data->wire4) { | |
226 | at91_set_A_periph(AT91_PIN_PA3, 1); | |
227 | at91_set_A_periph(AT91_PIN_PA4, 1); | |
228 | at91_set_A_periph(AT91_PIN_PA5, 1); | |
229 | } | |
230 | ||
231 | mmc_data = *data; | |
232 | platform_device_register(&at91sam9rl_mmc_device); | |
233 | } | |
234 | #else | |
235 | void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data) {} | |
236 | #endif | |
237 | ||
238 | ||
239 | /* -------------------------------------------------------------------- | |
240 | * NAND / SmartMedia | |
241 | * -------------------------------------------------------------------- */ | |
242 | ||
f6ed6f78 | 243 | #if defined(CONFIG_MTD_NAND_ATMEL) || defined(CONFIG_MTD_NAND_ATMEL_MODULE) |
3c3796cc | 244 | static struct atmel_nand_data nand_data; |
877d7720 AV |
245 | |
246 | #define NAND_BASE AT91_CHIPSELECT_3 | |
247 | ||
248 | static struct resource nand_resources[] = { | |
d7a2415f | 249 | [0] = { |
877d7720 AV |
250 | .start = NAND_BASE, |
251 | .end = NAND_BASE + SZ_256M - 1, | |
252 | .flags = IORESOURCE_MEM, | |
d7a2415f AV |
253 | }, |
254 | [1] = { | |
255 | .start = AT91_BASE_SYS + AT91_ECC, | |
256 | .end = AT91_BASE_SYS + AT91_ECC + SZ_512 - 1, | |
257 | .flags = IORESOURCE_MEM, | |
877d7720 AV |
258 | } |
259 | }; | |
260 | ||
3c3796cc HS |
261 | static struct platform_device atmel_nand_device = { |
262 | .name = "atmel_nand", | |
877d7720 AV |
263 | .id = -1, |
264 | .dev = { | |
265 | .platform_data = &nand_data, | |
266 | }, | |
267 | .resource = nand_resources, | |
268 | .num_resources = ARRAY_SIZE(nand_resources), | |
269 | }; | |
270 | ||
3c3796cc | 271 | void __init at91_add_device_nand(struct atmel_nand_data *data) |
877d7720 AV |
272 | { |
273 | unsigned long csa; | |
274 | ||
275 | if (!data) | |
276 | return; | |
277 | ||
278 | csa = at91_sys_read(AT91_MATRIX_EBICSA); | |
279 | at91_sys_write(AT91_MATRIX_EBICSA, csa | AT91_MATRIX_CS3A_SMC_SMARTMEDIA); | |
280 | ||
877d7720 AV |
281 | /* enable pin */ |
282 | if (data->enable_pin) | |
283 | at91_set_gpio_output(data->enable_pin, 1); | |
284 | ||
285 | /* ready/busy pin */ | |
286 | if (data->rdy_pin) | |
287 | at91_set_gpio_input(data->rdy_pin, 1); | |
288 | ||
289 | /* card detect pin */ | |
290 | if (data->det_pin) | |
291 | at91_set_gpio_input(data->det_pin, 1); | |
292 | ||
293 | at91_set_A_periph(AT91_PIN_PB4, 0); /* NANDOE */ | |
294 | at91_set_A_periph(AT91_PIN_PB5, 0); /* NANDWE */ | |
295 | ||
296 | nand_data = *data; | |
3c3796cc | 297 | platform_device_register(&atmel_nand_device); |
877d7720 AV |
298 | } |
299 | ||
300 | #else | |
3c3796cc | 301 | void __init at91_add_device_nand(struct atmel_nand_data *data) {} |
877d7720 AV |
302 | #endif |
303 | ||
304 | ||
305 | /* -------------------------------------------------------------------- | |
306 | * TWI (i2c) | |
307 | * -------------------------------------------------------------------- */ | |
308 | ||
f230d3f5 AV |
309 | /* |
310 | * Prefer the GPIO code since the TWI controller isn't robust | |
311 | * (gets overruns and underruns under load) and can only issue | |
312 | * repeated STARTs in one scenario (the driver doesn't yet handle them). | |
313 | */ | |
314 | #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE) | |
315 | ||
316 | static struct i2c_gpio_platform_data pdata = { | |
317 | .sda_pin = AT91_PIN_PA23, | |
318 | .sda_is_open_drain = 1, | |
319 | .scl_pin = AT91_PIN_PA24, | |
320 | .scl_is_open_drain = 1, | |
321 | .udelay = 2, /* ~100 kHz */ | |
322 | }; | |
323 | ||
324 | static struct platform_device at91sam9rl_twi_device = { | |
325 | .name = "i2c-gpio", | |
326 | .id = -1, | |
327 | .dev.platform_data = &pdata, | |
328 | }; | |
329 | ||
330 | void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices) | |
331 | { | |
332 | at91_set_GPIO_periph(AT91_PIN_PA23, 1); /* TWD (SDA) */ | |
333 | at91_set_multi_drive(AT91_PIN_PA23, 1); | |
334 | ||
335 | at91_set_GPIO_periph(AT91_PIN_PA24, 1); /* TWCK (SCL) */ | |
336 | at91_set_multi_drive(AT91_PIN_PA24, 1); | |
337 | ||
338 | i2c_register_board_info(0, devices, nr_devices); | |
339 | platform_device_register(&at91sam9rl_twi_device); | |
340 | } | |
341 | ||
342 | #elif defined(CONFIG_I2C_AT91) || defined(CONFIG_I2C_AT91_MODULE) | |
877d7720 AV |
343 | |
344 | static struct resource twi_resources[] = { | |
345 | [0] = { | |
346 | .start = AT91SAM9RL_BASE_TWI0, | |
347 | .end = AT91SAM9RL_BASE_TWI0 + SZ_16K - 1, | |
348 | .flags = IORESOURCE_MEM, | |
349 | }, | |
350 | [1] = { | |
351 | .start = AT91SAM9RL_ID_TWI0, | |
352 | .end = AT91SAM9RL_ID_TWI0, | |
353 | .flags = IORESOURCE_IRQ, | |
354 | }, | |
355 | }; | |
356 | ||
357 | static struct platform_device at91sam9rl_twi_device = { | |
358 | .name = "at91_i2c", | |
359 | .id = -1, | |
360 | .resource = twi_resources, | |
361 | .num_resources = ARRAY_SIZE(twi_resources), | |
362 | }; | |
363 | ||
f230d3f5 | 364 | void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices) |
877d7720 AV |
365 | { |
366 | /* pins used for TWI interface */ | |
367 | at91_set_A_periph(AT91_PIN_PA23, 0); /* TWD */ | |
368 | at91_set_multi_drive(AT91_PIN_PA23, 1); | |
369 | ||
370 | at91_set_A_periph(AT91_PIN_PA24, 0); /* TWCK */ | |
371 | at91_set_multi_drive(AT91_PIN_PA24, 1); | |
372 | ||
f230d3f5 | 373 | i2c_register_board_info(0, devices, nr_devices); |
877d7720 AV |
374 | platform_device_register(&at91sam9rl_twi_device); |
375 | } | |
376 | #else | |
f230d3f5 | 377 | void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices) {} |
877d7720 AV |
378 | #endif |
379 | ||
380 | ||
381 | /* -------------------------------------------------------------------- | |
382 | * SPI | |
383 | * -------------------------------------------------------------------- */ | |
384 | ||
385 | #if defined(CONFIG_SPI_ATMEL) || defined(CONFIG_SPI_ATMEL_MODULE) | |
c6686ff9 | 386 | static u64 spi_dmamask = DMA_BIT_MASK(32); |
877d7720 AV |
387 | |
388 | static struct resource spi_resources[] = { | |
389 | [0] = { | |
390 | .start = AT91SAM9RL_BASE_SPI, | |
391 | .end = AT91SAM9RL_BASE_SPI + SZ_16K - 1, | |
392 | .flags = IORESOURCE_MEM, | |
393 | }, | |
394 | [1] = { | |
395 | .start = AT91SAM9RL_ID_SPI, | |
396 | .end = AT91SAM9RL_ID_SPI, | |
397 | .flags = IORESOURCE_IRQ, | |
398 | }, | |
399 | }; | |
400 | ||
401 | static struct platform_device at91sam9rl_spi_device = { | |
402 | .name = "atmel_spi", | |
403 | .id = 0, | |
404 | .dev = { | |
405 | .dma_mask = &spi_dmamask, | |
c6686ff9 | 406 | .coherent_dma_mask = DMA_BIT_MASK(32), |
877d7720 AV |
407 | }, |
408 | .resource = spi_resources, | |
409 | .num_resources = ARRAY_SIZE(spi_resources), | |
410 | }; | |
411 | ||
412 | static const unsigned spi_standard_cs[4] = { AT91_PIN_PA28, AT91_PIN_PB7, AT91_PIN_PD8, AT91_PIN_PD9 }; | |
413 | ||
414 | ||
415 | void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices) | |
416 | { | |
417 | int i; | |
418 | unsigned long cs_pin; | |
419 | ||
420 | at91_set_A_periph(AT91_PIN_PA25, 0); /* MISO */ | |
421 | at91_set_A_periph(AT91_PIN_PA26, 0); /* MOSI */ | |
422 | at91_set_A_periph(AT91_PIN_PA27, 0); /* SPCK */ | |
423 | ||
424 | /* Enable SPI chip-selects */ | |
425 | for (i = 0; i < nr_devices; i++) { | |
426 | if (devices[i].controller_data) | |
427 | cs_pin = (unsigned long) devices[i].controller_data; | |
428 | else | |
429 | cs_pin = spi_standard_cs[devices[i].chip_select]; | |
430 | ||
431 | /* enable chip-select pin */ | |
432 | at91_set_gpio_output(cs_pin, 1); | |
433 | ||
434 | /* pass chip-select pin to driver */ | |
435 | devices[i].controller_data = (void *) cs_pin; | |
436 | } | |
437 | ||
438 | spi_register_board_info(devices, nr_devices); | |
439 | platform_device_register(&at91sam9rl_spi_device); | |
440 | } | |
441 | #else | |
442 | void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices) {} | |
443 | #endif | |
444 | ||
445 | ||
439a3307 NF |
446 | /* -------------------------------------------------------------------- |
447 | * AC97 | |
448 | * -------------------------------------------------------------------- */ | |
449 | ||
450 | #if defined(CONFIG_SND_ATMEL_AC97C) || defined(CONFIG_SND_ATMEL_AC97C_MODULE) | |
451 | static u64 ac97_dmamask = DMA_BIT_MASK(32); | |
452 | static struct ac97c_platform_data ac97_data; | |
453 | ||
454 | static struct resource ac97_resources[] = { | |
455 | [0] = { | |
456 | .start = AT91SAM9RL_BASE_AC97C, | |
457 | .end = AT91SAM9RL_BASE_AC97C + SZ_16K - 1, | |
458 | .flags = IORESOURCE_MEM, | |
459 | }, | |
460 | [1] = { | |
461 | .start = AT91SAM9RL_ID_AC97C, | |
462 | .end = AT91SAM9RL_ID_AC97C, | |
463 | .flags = IORESOURCE_IRQ, | |
464 | }, | |
465 | }; | |
466 | ||
467 | static struct platform_device at91sam9rl_ac97_device = { | |
468 | .name = "atmel_ac97c", | |
469 | .id = 0, | |
470 | .dev = { | |
471 | .dma_mask = &ac97_dmamask, | |
472 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
473 | .platform_data = &ac97_data, | |
474 | }, | |
475 | .resource = ac97_resources, | |
476 | .num_resources = ARRAY_SIZE(ac97_resources), | |
477 | }; | |
478 | ||
479 | void __init at91_add_device_ac97(struct ac97c_platform_data *data) | |
480 | { | |
481 | if (!data) | |
482 | return; | |
483 | ||
484 | at91_set_A_periph(AT91_PIN_PD1, 0); /* AC97FS */ | |
485 | at91_set_A_periph(AT91_PIN_PD2, 0); /* AC97CK */ | |
486 | at91_set_A_periph(AT91_PIN_PD3, 0); /* AC97TX */ | |
487 | at91_set_A_periph(AT91_PIN_PD4, 0); /* AC97RX */ | |
488 | ||
489 | /* reset */ | |
490 | if (data->reset_pin) | |
491 | at91_set_gpio_output(data->reset_pin, 0); | |
492 | ||
493 | ac97_data = *data; | |
494 | platform_device_register(&at91sam9rl_ac97_device); | |
495 | } | |
496 | #else | |
497 | void __init at91_add_device_ac97(struct ac97c_platform_data *data) {} | |
498 | #endif | |
499 | ||
500 | ||
877d7720 AV |
501 | /* -------------------------------------------------------------------- |
502 | * LCD Controller | |
503 | * -------------------------------------------------------------------- */ | |
504 | ||
505 | #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE) | |
c6686ff9 | 506 | static u64 lcdc_dmamask = DMA_BIT_MASK(32); |
877d7720 AV |
507 | static struct atmel_lcdfb_info lcdc_data; |
508 | ||
509 | static struct resource lcdc_resources[] = { | |
510 | [0] = { | |
511 | .start = AT91SAM9RL_LCDC_BASE, | |
512 | .end = AT91SAM9RL_LCDC_BASE + SZ_4K - 1, | |
513 | .flags = IORESOURCE_MEM, | |
514 | }, | |
515 | [1] = { | |
516 | .start = AT91SAM9RL_ID_LCDC, | |
517 | .end = AT91SAM9RL_ID_LCDC, | |
518 | .flags = IORESOURCE_IRQ, | |
519 | }, | |
877d7720 AV |
520 | }; |
521 | ||
522 | static struct platform_device at91_lcdc_device = { | |
523 | .name = "atmel_lcdfb", | |
524 | .id = 0, | |
525 | .dev = { | |
526 | .dma_mask = &lcdc_dmamask, | |
c6686ff9 | 527 | .coherent_dma_mask = DMA_BIT_MASK(32), |
877d7720 AV |
528 | .platform_data = &lcdc_data, |
529 | }, | |
530 | .resource = lcdc_resources, | |
531 | .num_resources = ARRAY_SIZE(lcdc_resources), | |
532 | }; | |
533 | ||
534 | void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data) | |
535 | { | |
536 | if (!data) { | |
537 | return; | |
538 | } | |
539 | ||
540 | at91_set_B_periph(AT91_PIN_PC1, 0); /* LCDPWR */ | |
541 | at91_set_A_periph(AT91_PIN_PC5, 0); /* LCDHSYNC */ | |
542 | at91_set_A_periph(AT91_PIN_PC6, 0); /* LCDDOTCK */ | |
543 | at91_set_A_periph(AT91_PIN_PC7, 0); /* LCDDEN */ | |
544 | at91_set_A_periph(AT91_PIN_PC3, 0); /* LCDCC */ | |
545 | at91_set_B_periph(AT91_PIN_PC9, 0); /* LCDD3 */ | |
546 | at91_set_B_periph(AT91_PIN_PC10, 0); /* LCDD4 */ | |
547 | at91_set_B_periph(AT91_PIN_PC11, 0); /* LCDD5 */ | |
548 | at91_set_B_periph(AT91_PIN_PC12, 0); /* LCDD6 */ | |
549 | at91_set_B_periph(AT91_PIN_PC13, 0); /* LCDD7 */ | |
550 | at91_set_B_periph(AT91_PIN_PC15, 0); /* LCDD11 */ | |
551 | at91_set_B_periph(AT91_PIN_PC16, 0); /* LCDD12 */ | |
552 | at91_set_B_periph(AT91_PIN_PC17, 0); /* LCDD13 */ | |
553 | at91_set_B_periph(AT91_PIN_PC18, 0); /* LCDD14 */ | |
554 | at91_set_B_periph(AT91_PIN_PC19, 0); /* LCDD15 */ | |
555 | at91_set_B_periph(AT91_PIN_PC20, 0); /* LCDD18 */ | |
556 | at91_set_B_periph(AT91_PIN_PC21, 0); /* LCDD19 */ | |
557 | at91_set_B_periph(AT91_PIN_PC22, 0); /* LCDD20 */ | |
558 | at91_set_B_periph(AT91_PIN_PC23, 0); /* LCDD21 */ | |
559 | at91_set_B_periph(AT91_PIN_PC24, 0); /* LCDD22 */ | |
560 | at91_set_B_periph(AT91_PIN_PC25, 0); /* LCDD23 */ | |
561 | ||
562 | lcdc_data = *data; | |
563 | platform_device_register(&at91_lcdc_device); | |
564 | } | |
565 | #else | |
566 | void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data) {} | |
567 | #endif | |
568 | ||
569 | ||
e5f40bfa AV |
570 | /* -------------------------------------------------------------------- |
571 | * Timer/Counter block | |
572 | * -------------------------------------------------------------------- */ | |
573 | ||
574 | #ifdef CONFIG_ATMEL_TCLIB | |
575 | ||
576 | static struct resource tcb_resources[] = { | |
577 | [0] = { | |
578 | .start = AT91SAM9RL_BASE_TCB0, | |
579 | .end = AT91SAM9RL_BASE_TCB0 + SZ_16K - 1, | |
580 | .flags = IORESOURCE_MEM, | |
581 | }, | |
582 | [1] = { | |
583 | .start = AT91SAM9RL_ID_TC0, | |
584 | .end = AT91SAM9RL_ID_TC0, | |
585 | .flags = IORESOURCE_IRQ, | |
586 | }, | |
587 | [2] = { | |
588 | .start = AT91SAM9RL_ID_TC1, | |
589 | .end = AT91SAM9RL_ID_TC1, | |
590 | .flags = IORESOURCE_IRQ, | |
591 | }, | |
592 | [3] = { | |
593 | .start = AT91SAM9RL_ID_TC2, | |
594 | .end = AT91SAM9RL_ID_TC2, | |
595 | .flags = IORESOURCE_IRQ, | |
596 | }, | |
597 | }; | |
598 | ||
599 | static struct platform_device at91sam9rl_tcb_device = { | |
600 | .name = "atmel_tcb", | |
601 | .id = 0, | |
602 | .resource = tcb_resources, | |
603 | .num_resources = ARRAY_SIZE(tcb_resources), | |
604 | }; | |
605 | ||
606 | static void __init at91_add_device_tc(void) | |
607 | { | |
608 | /* this chip has a separate clock and irq for each TC channel */ | |
609 | at91_clock_associate("tc0_clk", &at91sam9rl_tcb_device.dev, "t0_clk"); | |
610 | at91_clock_associate("tc1_clk", &at91sam9rl_tcb_device.dev, "t1_clk"); | |
611 | at91_clock_associate("tc2_clk", &at91sam9rl_tcb_device.dev, "t2_clk"); | |
612 | platform_device_register(&at91sam9rl_tcb_device); | |
613 | } | |
614 | #else | |
615 | static void __init at91_add_device_tc(void) { } | |
616 | #endif | |
617 | ||
618 | ||
f7647e63 AV |
619 | /* -------------------------------------------------------------------- |
620 | * Touchscreen | |
621 | * -------------------------------------------------------------------- */ | |
622 | ||
623 | #if defined(CONFIG_TOUCHSCREEN_ATMEL_TSADCC) || defined(CONFIG_TOUCHSCREEN_ATMEL_TSADCC_MODULE) | |
624 | static u64 tsadcc_dmamask = DMA_BIT_MASK(32); | |
423c9b0d | 625 | static struct at91_tsadcc_data tsadcc_data; |
f7647e63 AV |
626 | |
627 | static struct resource tsadcc_resources[] = { | |
628 | [0] = { | |
629 | .start = AT91SAM9RL_BASE_TSC, | |
630 | .end = AT91SAM9RL_BASE_TSC + SZ_16K - 1, | |
631 | .flags = IORESOURCE_MEM, | |
632 | }, | |
633 | [1] = { | |
634 | .start = AT91SAM9RL_ID_TSC, | |
635 | .end = AT91SAM9RL_ID_TSC, | |
636 | .flags = IORESOURCE_IRQ, | |
637 | } | |
638 | }; | |
639 | ||
640 | static struct platform_device at91sam9rl_tsadcc_device = { | |
641 | .name = "atmel_tsadcc", | |
642 | .id = -1, | |
643 | .dev = { | |
644 | .dma_mask = &tsadcc_dmamask, | |
645 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
423c9b0d | 646 | .platform_data = &tsadcc_data, |
f7647e63 AV |
647 | }, |
648 | .resource = tsadcc_resources, | |
649 | .num_resources = ARRAY_SIZE(tsadcc_resources), | |
650 | }; | |
651 | ||
423c9b0d | 652 | void __init at91_add_device_tsadcc(struct at91_tsadcc_data *data) |
f7647e63 | 653 | { |
423c9b0d NF |
654 | if (!data) |
655 | return; | |
656 | ||
f7647e63 AV |
657 | at91_set_A_periph(AT91_PIN_PA17, 0); /* AD0_XR */ |
658 | at91_set_A_periph(AT91_PIN_PA18, 0); /* AD1_XL */ | |
659 | at91_set_A_periph(AT91_PIN_PA19, 0); /* AD2_YT */ | |
660 | at91_set_A_periph(AT91_PIN_PA20, 0); /* AD3_TB */ | |
661 | ||
423c9b0d | 662 | tsadcc_data = *data; |
f7647e63 AV |
663 | platform_device_register(&at91sam9rl_tsadcc_device); |
664 | } | |
665 | #else | |
423c9b0d | 666 | void __init at91_add_device_tsadcc(struct at91_tsadcc_data *data) {} |
f7647e63 AV |
667 | #endif |
668 | ||
669 | ||
884f5a6a AV |
670 | /* -------------------------------------------------------------------- |
671 | * RTC | |
672 | * -------------------------------------------------------------------- */ | |
673 | ||
674 | #if defined(CONFIG_RTC_DRV_AT91RM9200) || defined(CONFIG_RTC_DRV_AT91RM9200_MODULE) | |
675 | static struct platform_device at91sam9rl_rtc_device = { | |
676 | .name = "at91_rtc", | |
677 | .id = -1, | |
678 | .num_resources = 0, | |
679 | }; | |
680 | ||
681 | static void __init at91_add_device_rtc(void) | |
682 | { | |
683 | platform_device_register(&at91sam9rl_rtc_device); | |
684 | } | |
685 | #else | |
686 | static void __init at91_add_device_rtc(void) {} | |
687 | #endif | |
688 | ||
689 | ||
690 | /* -------------------------------------------------------------------- | |
691 | * RTT | |
692 | * -------------------------------------------------------------------- */ | |
693 | ||
694 | static struct resource rtt_resources[] = { | |
695 | { | |
696 | .start = AT91_BASE_SYS + AT91_RTT, | |
697 | .end = AT91_BASE_SYS + AT91_RTT + SZ_16 - 1, | |
698 | .flags = IORESOURCE_MEM, | |
699 | } | |
700 | }; | |
701 | ||
702 | static struct platform_device at91sam9rl_rtt_device = { | |
703 | .name = "at91_rtt", | |
4fd9212c | 704 | .id = 0, |
884f5a6a AV |
705 | .resource = rtt_resources, |
706 | .num_resources = ARRAY_SIZE(rtt_resources), | |
707 | }; | |
708 | ||
709 | static void __init at91_add_device_rtt(void) | |
710 | { | |
711 | platform_device_register(&at91sam9rl_rtt_device); | |
712 | } | |
713 | ||
714 | ||
715 | /* -------------------------------------------------------------------- | |
716 | * Watchdog | |
717 | * -------------------------------------------------------------------- */ | |
718 | ||
2af29b78 | 719 | #if defined(CONFIG_AT91SAM9X_WATCHDOG) || defined(CONFIG_AT91SAM9X_WATCHDOG_MODULE) |
884f5a6a AV |
720 | static struct platform_device at91sam9rl_wdt_device = { |
721 | .name = "at91_wdt", | |
722 | .id = -1, | |
723 | .num_resources = 0, | |
724 | }; | |
725 | ||
726 | static void __init at91_add_device_watchdog(void) | |
727 | { | |
728 | platform_device_register(&at91sam9rl_wdt_device); | |
729 | } | |
730 | #else | |
731 | static void __init at91_add_device_watchdog(void) {} | |
732 | #endif | |
733 | ||
734 | ||
bb1ad68b AV |
735 | /* -------------------------------------------------------------------- |
736 | * PWM | |
737 | * --------------------------------------------------------------------*/ | |
738 | ||
739 | #if defined(CONFIG_ATMEL_PWM) | |
740 | static u32 pwm_mask; | |
741 | ||
742 | static struct resource pwm_resources[] = { | |
743 | [0] = { | |
744 | .start = AT91SAM9RL_BASE_PWMC, | |
745 | .end = AT91SAM9RL_BASE_PWMC + SZ_16K - 1, | |
746 | .flags = IORESOURCE_MEM, | |
747 | }, | |
748 | [1] = { | |
749 | .start = AT91SAM9RL_ID_PWMC, | |
750 | .end = AT91SAM9RL_ID_PWMC, | |
751 | .flags = IORESOURCE_IRQ, | |
752 | }, | |
753 | }; | |
754 | ||
755 | static struct platform_device at91sam9rl_pwm0_device = { | |
756 | .name = "atmel_pwm", | |
757 | .id = -1, | |
758 | .dev = { | |
759 | .platform_data = &pwm_mask, | |
760 | }, | |
761 | .resource = pwm_resources, | |
762 | .num_resources = ARRAY_SIZE(pwm_resources), | |
763 | }; | |
764 | ||
765 | void __init at91_add_device_pwm(u32 mask) | |
766 | { | |
767 | if (mask & (1 << AT91_PWM0)) | |
768 | at91_set_B_periph(AT91_PIN_PB8, 1); /* enable PWM0 */ | |
769 | ||
770 | if (mask & (1 << AT91_PWM1)) | |
771 | at91_set_B_periph(AT91_PIN_PB9, 1); /* enable PWM1 */ | |
772 | ||
773 | if (mask & (1 << AT91_PWM2)) | |
774 | at91_set_B_periph(AT91_PIN_PD5, 1); /* enable PWM2 */ | |
775 | ||
776 | if (mask & (1 << AT91_PWM3)) | |
777 | at91_set_B_periph(AT91_PIN_PD8, 1); /* enable PWM3 */ | |
778 | ||
779 | pwm_mask = mask; | |
780 | ||
781 | platform_device_register(&at91sam9rl_pwm0_device); | |
782 | } | |
783 | #else | |
784 | void __init at91_add_device_pwm(u32 mask) {} | |
785 | #endif | |
786 | ||
787 | ||
bfbc3266 AV |
788 | /* -------------------------------------------------------------------- |
789 | * SSC -- Synchronous Serial Controller | |
790 | * -------------------------------------------------------------------- */ | |
791 | ||
792 | #if defined(CONFIG_ATMEL_SSC) || defined(CONFIG_ATMEL_SSC_MODULE) | |
793 | static u64 ssc0_dmamask = DMA_BIT_MASK(32); | |
794 | ||
795 | static struct resource ssc0_resources[] = { | |
796 | [0] = { | |
797 | .start = AT91SAM9RL_BASE_SSC0, | |
798 | .end = AT91SAM9RL_BASE_SSC0 + SZ_16K - 1, | |
799 | .flags = IORESOURCE_MEM, | |
800 | }, | |
801 | [1] = { | |
802 | .start = AT91SAM9RL_ID_SSC0, | |
803 | .end = AT91SAM9RL_ID_SSC0, | |
804 | .flags = IORESOURCE_IRQ, | |
805 | }, | |
806 | }; | |
807 | ||
808 | static struct platform_device at91sam9rl_ssc0_device = { | |
809 | .name = "ssc", | |
810 | .id = 0, | |
811 | .dev = { | |
812 | .dma_mask = &ssc0_dmamask, | |
813 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
814 | }, | |
815 | .resource = ssc0_resources, | |
816 | .num_resources = ARRAY_SIZE(ssc0_resources), | |
817 | }; | |
818 | ||
819 | static inline void configure_ssc0_pins(unsigned pins) | |
820 | { | |
821 | if (pins & ATMEL_SSC_TF) | |
822 | at91_set_A_periph(AT91_PIN_PC0, 1); | |
823 | if (pins & ATMEL_SSC_TK) | |
824 | at91_set_A_periph(AT91_PIN_PC1, 1); | |
825 | if (pins & ATMEL_SSC_TD) | |
826 | at91_set_A_periph(AT91_PIN_PA15, 1); | |
827 | if (pins & ATMEL_SSC_RD) | |
828 | at91_set_A_periph(AT91_PIN_PA16, 1); | |
829 | if (pins & ATMEL_SSC_RK) | |
830 | at91_set_B_periph(AT91_PIN_PA10, 1); | |
831 | if (pins & ATMEL_SSC_RF) | |
832 | at91_set_B_periph(AT91_PIN_PA22, 1); | |
833 | } | |
834 | ||
835 | static u64 ssc1_dmamask = DMA_BIT_MASK(32); | |
836 | ||
837 | static struct resource ssc1_resources[] = { | |
838 | [0] = { | |
839 | .start = AT91SAM9RL_BASE_SSC1, | |
840 | .end = AT91SAM9RL_BASE_SSC1 + SZ_16K - 1, | |
841 | .flags = IORESOURCE_MEM, | |
842 | }, | |
843 | [1] = { | |
844 | .start = AT91SAM9RL_ID_SSC1, | |
845 | .end = AT91SAM9RL_ID_SSC1, | |
846 | .flags = IORESOURCE_IRQ, | |
847 | }, | |
848 | }; | |
849 | ||
850 | static struct platform_device at91sam9rl_ssc1_device = { | |
851 | .name = "ssc", | |
852 | .id = 1, | |
853 | .dev = { | |
854 | .dma_mask = &ssc1_dmamask, | |
855 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
856 | }, | |
857 | .resource = ssc1_resources, | |
858 | .num_resources = ARRAY_SIZE(ssc1_resources), | |
859 | }; | |
860 | ||
861 | static inline void configure_ssc1_pins(unsigned pins) | |
862 | { | |
863 | if (pins & ATMEL_SSC_TF) | |
864 | at91_set_B_periph(AT91_PIN_PA29, 1); | |
865 | if (pins & ATMEL_SSC_TK) | |
866 | at91_set_B_periph(AT91_PIN_PA30, 1); | |
867 | if (pins & ATMEL_SSC_TD) | |
868 | at91_set_B_periph(AT91_PIN_PA13, 1); | |
869 | if (pins & ATMEL_SSC_RD) | |
870 | at91_set_B_periph(AT91_PIN_PA14, 1); | |
871 | if (pins & ATMEL_SSC_RK) | |
872 | at91_set_B_periph(AT91_PIN_PA9, 1); | |
873 | if (pins & ATMEL_SSC_RF) | |
874 | at91_set_B_periph(AT91_PIN_PA8, 1); | |
875 | } | |
876 | ||
877 | /* | |
bfbc3266 AV |
878 | * SSC controllers are accessed through library code, instead of any |
879 | * kind of all-singing/all-dancing driver. For example one could be | |
880 | * used by a particular I2S audio codec's driver, while another one | |
881 | * on the same system might be used by a custom data capture driver. | |
882 | */ | |
883 | void __init at91_add_device_ssc(unsigned id, unsigned pins) | |
884 | { | |
885 | struct platform_device *pdev; | |
886 | ||
887 | /* | |
888 | * NOTE: caller is responsible for passing information matching | |
889 | * "pins" to whatever will be using each particular controller. | |
890 | */ | |
891 | switch (id) { | |
892 | case AT91SAM9RL_ID_SSC0: | |
893 | pdev = &at91sam9rl_ssc0_device; | |
894 | configure_ssc0_pins(pins); | |
895 | at91_clock_associate("ssc0_clk", &pdev->dev, "pclk"); | |
896 | break; | |
897 | case AT91SAM9RL_ID_SSC1: | |
898 | pdev = &at91sam9rl_ssc1_device; | |
899 | configure_ssc1_pins(pins); | |
900 | at91_clock_associate("ssc1_clk", &pdev->dev, "pclk"); | |
901 | break; | |
902 | default: | |
903 | return; | |
904 | } | |
905 | ||
906 | platform_device_register(pdev); | |
907 | } | |
908 | ||
909 | #else | |
910 | void __init at91_add_device_ssc(unsigned id, unsigned pins) {} | |
911 | #endif | |
912 | ||
913 | ||
877d7720 AV |
914 | /* -------------------------------------------------------------------- |
915 | * UART | |
916 | * -------------------------------------------------------------------- */ | |
917 | ||
918 | #if defined(CONFIG_SERIAL_ATMEL) | |
919 | static struct resource dbgu_resources[] = { | |
920 | [0] = { | |
921 | .start = AT91_VA_BASE_SYS + AT91_DBGU, | |
922 | .end = AT91_VA_BASE_SYS + AT91_DBGU + SZ_512 - 1, | |
923 | .flags = IORESOURCE_MEM, | |
924 | }, | |
925 | [1] = { | |
926 | .start = AT91_ID_SYS, | |
927 | .end = AT91_ID_SYS, | |
928 | .flags = IORESOURCE_IRQ, | |
929 | }, | |
930 | }; | |
931 | ||
932 | static struct atmel_uart_data dbgu_data = { | |
933 | .use_dma_tx = 0, | |
934 | .use_dma_rx = 0, /* DBGU not capable of receive DMA */ | |
935 | .regs = (void __iomem *)(AT91_VA_BASE_SYS + AT91_DBGU), | |
936 | }; | |
937 | ||
c6686ff9 AV |
938 | static u64 dbgu_dmamask = DMA_BIT_MASK(32); |
939 | ||
877d7720 AV |
940 | static struct platform_device at91sam9rl_dbgu_device = { |
941 | .name = "atmel_usart", | |
942 | .id = 0, | |
943 | .dev = { | |
c6686ff9 AV |
944 | .dma_mask = &dbgu_dmamask, |
945 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
946 | .platform_data = &dbgu_data, | |
877d7720 AV |
947 | }, |
948 | .resource = dbgu_resources, | |
949 | .num_resources = ARRAY_SIZE(dbgu_resources), | |
950 | }; | |
951 | ||
952 | static inline void configure_dbgu_pins(void) | |
953 | { | |
954 | at91_set_A_periph(AT91_PIN_PA21, 0); /* DRXD */ | |
955 | at91_set_A_periph(AT91_PIN_PA22, 1); /* DTXD */ | |
956 | } | |
957 | ||
958 | static struct resource uart0_resources[] = { | |
959 | [0] = { | |
960 | .start = AT91SAM9RL_BASE_US0, | |
961 | .end = AT91SAM9RL_BASE_US0 + SZ_16K - 1, | |
962 | .flags = IORESOURCE_MEM, | |
963 | }, | |
964 | [1] = { | |
965 | .start = AT91SAM9RL_ID_US0, | |
966 | .end = AT91SAM9RL_ID_US0, | |
967 | .flags = IORESOURCE_IRQ, | |
968 | }, | |
969 | }; | |
970 | ||
971 | static struct atmel_uart_data uart0_data = { | |
972 | .use_dma_tx = 1, | |
973 | .use_dma_rx = 1, | |
974 | }; | |
975 | ||
c6686ff9 AV |
976 | static u64 uart0_dmamask = DMA_BIT_MASK(32); |
977 | ||
877d7720 AV |
978 | static struct platform_device at91sam9rl_uart0_device = { |
979 | .name = "atmel_usart", | |
980 | .id = 1, | |
981 | .dev = { | |
c6686ff9 AV |
982 | .dma_mask = &uart0_dmamask, |
983 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
984 | .platform_data = &uart0_data, | |
877d7720 AV |
985 | }, |
986 | .resource = uart0_resources, | |
987 | .num_resources = ARRAY_SIZE(uart0_resources), | |
988 | }; | |
989 | ||
c8f385a6 | 990 | static inline void configure_usart0_pins(unsigned pins) |
877d7720 AV |
991 | { |
992 | at91_set_A_periph(AT91_PIN_PA6, 1); /* TXD0 */ | |
993 | at91_set_A_periph(AT91_PIN_PA7, 0); /* RXD0 */ | |
c8f385a6 AV |
994 | |
995 | if (pins & ATMEL_UART_RTS) | |
996 | at91_set_A_periph(AT91_PIN_PA9, 0); /* RTS0 */ | |
997 | if (pins & ATMEL_UART_CTS) | |
998 | at91_set_A_periph(AT91_PIN_PA10, 0); /* CTS0 */ | |
999 | if (pins & ATMEL_UART_DSR) | |
1000 | at91_set_A_periph(AT91_PIN_PD14, 0); /* DSR0 */ | |
1001 | if (pins & ATMEL_UART_DTR) | |
1002 | at91_set_A_periph(AT91_PIN_PD15, 0); /* DTR0 */ | |
1003 | if (pins & ATMEL_UART_DCD) | |
1004 | at91_set_A_periph(AT91_PIN_PD16, 0); /* DCD0 */ | |
1005 | if (pins & ATMEL_UART_RI) | |
1006 | at91_set_A_periph(AT91_PIN_PD17, 0); /* RI0 */ | |
877d7720 AV |
1007 | } |
1008 | ||
1009 | static struct resource uart1_resources[] = { | |
1010 | [0] = { | |
1011 | .start = AT91SAM9RL_BASE_US1, | |
1012 | .end = AT91SAM9RL_BASE_US1 + SZ_16K - 1, | |
1013 | .flags = IORESOURCE_MEM, | |
1014 | }, | |
1015 | [1] = { | |
1016 | .start = AT91SAM9RL_ID_US1, | |
1017 | .end = AT91SAM9RL_ID_US1, | |
1018 | .flags = IORESOURCE_IRQ, | |
1019 | }, | |
1020 | }; | |
1021 | ||
1022 | static struct atmel_uart_data uart1_data = { | |
1023 | .use_dma_tx = 1, | |
1024 | .use_dma_rx = 1, | |
1025 | }; | |
1026 | ||
c6686ff9 AV |
1027 | static u64 uart1_dmamask = DMA_BIT_MASK(32); |
1028 | ||
877d7720 AV |
1029 | static struct platform_device at91sam9rl_uart1_device = { |
1030 | .name = "atmel_usart", | |
1031 | .id = 2, | |
1032 | .dev = { | |
c6686ff9 AV |
1033 | .dma_mask = &uart1_dmamask, |
1034 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
1035 | .platform_data = &uart1_data, | |
877d7720 AV |
1036 | }, |
1037 | .resource = uart1_resources, | |
1038 | .num_resources = ARRAY_SIZE(uart1_resources), | |
1039 | }; | |
1040 | ||
c8f385a6 | 1041 | static inline void configure_usart1_pins(unsigned pins) |
877d7720 AV |
1042 | { |
1043 | at91_set_A_periph(AT91_PIN_PA11, 1); /* TXD1 */ | |
1044 | at91_set_A_periph(AT91_PIN_PA12, 0); /* RXD1 */ | |
c8f385a6 AV |
1045 | |
1046 | if (pins & ATMEL_UART_RTS) | |
1047 | at91_set_B_periph(AT91_PIN_PA18, 0); /* RTS1 */ | |
1048 | if (pins & ATMEL_UART_CTS) | |
1049 | at91_set_B_periph(AT91_PIN_PA19, 0); /* CTS1 */ | |
877d7720 AV |
1050 | } |
1051 | ||
1052 | static struct resource uart2_resources[] = { | |
1053 | [0] = { | |
1054 | .start = AT91SAM9RL_BASE_US2, | |
1055 | .end = AT91SAM9RL_BASE_US2 + SZ_16K - 1, | |
1056 | .flags = IORESOURCE_MEM, | |
1057 | }, | |
1058 | [1] = { | |
1059 | .start = AT91SAM9RL_ID_US2, | |
1060 | .end = AT91SAM9RL_ID_US2, | |
1061 | .flags = IORESOURCE_IRQ, | |
1062 | }, | |
1063 | }; | |
1064 | ||
1065 | static struct atmel_uart_data uart2_data = { | |
1066 | .use_dma_tx = 1, | |
1067 | .use_dma_rx = 1, | |
1068 | }; | |
1069 | ||
c6686ff9 AV |
1070 | static u64 uart2_dmamask = DMA_BIT_MASK(32); |
1071 | ||
877d7720 AV |
1072 | static struct platform_device at91sam9rl_uart2_device = { |
1073 | .name = "atmel_usart", | |
1074 | .id = 3, | |
1075 | .dev = { | |
c6686ff9 AV |
1076 | .dma_mask = &uart2_dmamask, |
1077 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
1078 | .platform_data = &uart2_data, | |
877d7720 AV |
1079 | }, |
1080 | .resource = uart2_resources, | |
1081 | .num_resources = ARRAY_SIZE(uart2_resources), | |
1082 | }; | |
1083 | ||
c8f385a6 | 1084 | static inline void configure_usart2_pins(unsigned pins) |
877d7720 AV |
1085 | { |
1086 | at91_set_A_periph(AT91_PIN_PA13, 1); /* TXD2 */ | |
1087 | at91_set_A_periph(AT91_PIN_PA14, 0); /* RXD2 */ | |
c8f385a6 AV |
1088 | |
1089 | if (pins & ATMEL_UART_RTS) | |
1090 | at91_set_A_periph(AT91_PIN_PA29, 0); /* RTS2 */ | |
1091 | if (pins & ATMEL_UART_CTS) | |
1092 | at91_set_A_periph(AT91_PIN_PA30, 0); /* CTS2 */ | |
877d7720 AV |
1093 | } |
1094 | ||
1095 | static struct resource uart3_resources[] = { | |
1096 | [0] = { | |
1097 | .start = AT91SAM9RL_BASE_US3, | |
1098 | .end = AT91SAM9RL_BASE_US3 + SZ_16K - 1, | |
1099 | .flags = IORESOURCE_MEM, | |
1100 | }, | |
1101 | [1] = { | |
1102 | .start = AT91SAM9RL_ID_US3, | |
1103 | .end = AT91SAM9RL_ID_US3, | |
1104 | .flags = IORESOURCE_IRQ, | |
1105 | }, | |
1106 | }; | |
1107 | ||
1108 | static struct atmel_uart_data uart3_data = { | |
1109 | .use_dma_tx = 1, | |
1110 | .use_dma_rx = 1, | |
1111 | }; | |
1112 | ||
c6686ff9 AV |
1113 | static u64 uart3_dmamask = DMA_BIT_MASK(32); |
1114 | ||
877d7720 AV |
1115 | static struct platform_device at91sam9rl_uart3_device = { |
1116 | .name = "atmel_usart", | |
1117 | .id = 4, | |
1118 | .dev = { | |
c6686ff9 AV |
1119 | .dma_mask = &uart3_dmamask, |
1120 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
1121 | .platform_data = &uart3_data, | |
877d7720 AV |
1122 | }, |
1123 | .resource = uart3_resources, | |
1124 | .num_resources = ARRAY_SIZE(uart3_resources), | |
1125 | }; | |
1126 | ||
c8f385a6 | 1127 | static inline void configure_usart3_pins(unsigned pins) |
877d7720 AV |
1128 | { |
1129 | at91_set_A_periph(AT91_PIN_PB0, 1); /* TXD3 */ | |
1130 | at91_set_A_periph(AT91_PIN_PB1, 0); /* RXD3 */ | |
c8f385a6 AV |
1131 | |
1132 | if (pins & ATMEL_UART_RTS) | |
1133 | at91_set_B_periph(AT91_PIN_PD4, 0); /* RTS3 */ | |
1134 | if (pins & ATMEL_UART_CTS) | |
1135 | at91_set_B_periph(AT91_PIN_PD3, 0); /* CTS3 */ | |
877d7720 AV |
1136 | } |
1137 | ||
11aadac4 | 1138 | static struct platform_device *__initdata at91_uarts[ATMEL_MAX_UART]; /* the UARTs to use */ |
877d7720 AV |
1139 | struct platform_device *atmel_default_console_device; /* the serial console device */ |
1140 | ||
c8f385a6 AV |
1141 | void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins) |
1142 | { | |
1143 | struct platform_device *pdev; | |
1144 | ||
1145 | switch (id) { | |
1146 | case 0: /* DBGU */ | |
1147 | pdev = &at91sam9rl_dbgu_device; | |
1148 | configure_dbgu_pins(); | |
1149 | at91_clock_associate("mck", &pdev->dev, "usart"); | |
1150 | break; | |
1151 | case AT91SAM9RL_ID_US0: | |
1152 | pdev = &at91sam9rl_uart0_device; | |
1153 | configure_usart0_pins(pins); | |
1154 | at91_clock_associate("usart0_clk", &pdev->dev, "usart"); | |
1155 | break; | |
1156 | case AT91SAM9RL_ID_US1: | |
1157 | pdev = &at91sam9rl_uart1_device; | |
1158 | configure_usart1_pins(pins); | |
1159 | at91_clock_associate("usart1_clk", &pdev->dev, "usart"); | |
1160 | break; | |
1161 | case AT91SAM9RL_ID_US2: | |
1162 | pdev = &at91sam9rl_uart2_device; | |
1163 | configure_usart2_pins(pins); | |
1164 | at91_clock_associate("usart2_clk", &pdev->dev, "usart"); | |
1165 | break; | |
1166 | case AT91SAM9RL_ID_US3: | |
1167 | pdev = &at91sam9rl_uart3_device; | |
1168 | configure_usart3_pins(pins); | |
1169 | at91_clock_associate("usart3_clk", &pdev->dev, "usart"); | |
1170 | break; | |
1171 | default: | |
1172 | return; | |
1173 | } | |
1174 | pdev->id = portnr; /* update to mapped ID */ | |
1175 | ||
1176 | if (portnr < ATMEL_MAX_UART) | |
1177 | at91_uarts[portnr] = pdev; | |
1178 | } | |
1179 | ||
1180 | void __init at91_set_serial_console(unsigned portnr) | |
1181 | { | |
1182 | if (portnr < ATMEL_MAX_UART) | |
1183 | atmel_default_console_device = at91_uarts[portnr]; | |
c8f385a6 AV |
1184 | } |
1185 | ||
877d7720 AV |
1186 | void __init at91_add_device_serial(void) |
1187 | { | |
1188 | int i; | |
1189 | ||
1190 | for (i = 0; i < ATMEL_MAX_UART; i++) { | |
1191 | if (at91_uarts[i]) | |
1192 | platform_device_register(at91_uarts[i]); | |
1193 | } | |
11aadac4 AV |
1194 | |
1195 | if (!atmel_default_console_device) | |
1196 | printk(KERN_INFO "AT91: No default serial console defined.\n"); | |
877d7720 AV |
1197 | } |
1198 | #else | |
c8f385a6 AV |
1199 | void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins) {} |
1200 | void __init at91_set_serial_console(unsigned portnr) {} | |
877d7720 AV |
1201 | void __init at91_add_device_serial(void) {} |
1202 | #endif | |
1203 | ||
1204 | ||
1205 | /* -------------------------------------------------------------------- */ | |
1206 | ||
1207 | /* | |
1208 | * These devices are always present and don't need any board-specific | |
1209 | * setup. | |
1210 | */ | |
1211 | static int __init at91_add_standard_devices(void) | |
1212 | { | |
6ff89e9d | 1213 | at91_add_device_hdmac(); |
884f5a6a AV |
1214 | at91_add_device_rtc(); |
1215 | at91_add_device_rtt(); | |
1216 | at91_add_device_watchdog(); | |
e5f40bfa | 1217 | at91_add_device_tc(); |
877d7720 AV |
1218 | return 0; |
1219 | } | |
1220 | ||
1221 | arch_initcall(at91_add_standard_devices); |