diff options
-rw-r--r-- | arch/arm/mach-at91rm9200/Makefile | 4 | ||||
-rw-r--r-- | arch/arm/mach-at91rm9200/at91sam9260_devices.c | 866 | ||||
-rw-r--r-- | arch/arm/mach-at91rm9200/at91sam9261_devices.c | 741 |
3 files changed, 1609 insertions, 2 deletions
diff --git a/arch/arm/mach-at91rm9200/Makefile b/arch/arm/mach-at91rm9200/Makefile index b8684ba60ceb..6093c31e39a1 100644 --- a/arch/arm/mach-at91rm9200/Makefile +++ b/arch/arm/mach-at91rm9200/Makefile | |||
@@ -11,8 +11,8 @@ obj-$(CONFIG_PM) += pm.o | |||
11 | 11 | ||
12 | # CPU-specific support | 12 | # CPU-specific support |
13 | obj-$(CONFIG_ARCH_AT91RM9200) += at91rm9200.o at91rm9200_time.o at91rm9200_devices.c | 13 | obj-$(CONFIG_ARCH_AT91RM9200) += at91rm9200.o at91rm9200_time.o at91rm9200_devices.c |
14 | obj-$(CONFIG_ARCH_AT91SAM9260) += at91sam9260.o at91sam926x_time.o | 14 | obj-$(CONFIG_ARCH_AT91SAM9260) += at91sam9260.o at91sam926x_time.o at91sam9260_devices.o |
15 | obj-$(CONFIG_ARCH_AT91SAM9261) += at91sam9261.o at91sam926x_time.o | 15 | obj-$(CONFIG_ARCH_AT91SAM9261) += at91sam9261.o at91sam926x_time.o at91sam9261_devices.o |
16 | 16 | ||
17 | # AT91RM9200 board-specific support | 17 | # AT91RM9200 board-specific support |
18 | obj-$(CONFIG_MACH_ONEARM) += board-1arm.o | 18 | obj-$(CONFIG_MACH_ONEARM) += board-1arm.o |
diff --git a/arch/arm/mach-at91rm9200/at91sam9260_devices.c b/arch/arm/mach-at91rm9200/at91sam9260_devices.c new file mode 100644 index 000000000000..a6c596dc4516 --- /dev/null +++ b/arch/arm/mach-at91rm9200/at91sam9260_devices.c | |||
@@ -0,0 +1,866 @@ | |||
1 | /* | ||
2 | * arch/arm/mach-at91rm9200/at91sam9260_devices.c | ||
3 | * | ||
4 | * Copyright (C) 2006 Atmel | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or modify | ||
7 | * it under the terms of the GNU General Public License as published by | ||
8 | * the Free Software Foundation; either version 2 of the License, or | ||
9 | * (at your option) any later version. | ||
10 | * | ||
11 | */ | ||
12 | #include <asm/mach/arch.h> | ||
13 | #include <asm/mach/map.h> | ||
14 | |||
15 | #include <linux/platform_device.h> | ||
16 | |||
17 | #include <asm/arch/board.h> | ||
18 | #include <asm/arch/gpio.h> | ||
19 | #include <asm/arch/at91sam9260.h> | ||
20 | #include <asm/arch/at91sam926x_mc.h> | ||
21 | |||
22 | #include "generic.h" | ||
23 | |||
24 | #define SZ_512 0x00000200 | ||
25 | #define SZ_256 0x00000100 | ||
26 | #define SZ_16 0x00000010 | ||
27 | |||
28 | /* -------------------------------------------------------------------- | ||
29 | * USB Host | ||
30 | * -------------------------------------------------------------------- */ | ||
31 | |||
32 | #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) | ||
33 | static u64 ohci_dmamask = 0xffffffffUL; | ||
34 | static struct at91_usbh_data usbh_data; | ||
35 | |||
36 | static struct resource usbh_resources[] = { | ||
37 | [0] = { | ||
38 | .start = AT91SAM9260_UHP_BASE, | ||
39 | .end = AT91SAM9260_UHP_BASE + SZ_1M - 1, | ||
40 | .flags = IORESOURCE_MEM, | ||
41 | }, | ||
42 | [1] = { | ||
43 | .start = AT91SAM9260_ID_UHP, | ||
44 | .end = AT91SAM9260_ID_UHP, | ||
45 | .flags = IORESOURCE_IRQ, | ||
46 | }, | ||
47 | }; | ||
48 | |||
49 | static struct platform_device at91_usbh_device = { | ||
50 | .name = "at91_ohci", | ||
51 | .id = -1, | ||
52 | .dev = { | ||
53 | .dma_mask = &ohci_dmamask, | ||
54 | .coherent_dma_mask = 0xffffffff, | ||
55 | .platform_data = &usbh_data, | ||
56 | }, | ||
57 | .resource = usbh_resources, | ||
58 | .num_resources = ARRAY_SIZE(usbh_resources), | ||
59 | }; | ||
60 | |||
61 | void __init at91_add_device_usbh(struct at91_usbh_data *data) | ||
62 | { | ||
63 | if (!data) | ||
64 | return; | ||
65 | |||
66 | usbh_data = *data; | ||
67 | platform_device_register(&at91_usbh_device); | ||
68 | } | ||
69 | #else | ||
70 | void __init at91_add_device_usbh(struct at91_usbh_data *data) {} | ||
71 | #endif | ||
72 | |||
73 | |||
74 | /* -------------------------------------------------------------------- | ||
75 | * USB Device (Gadget) | ||
76 | * -------------------------------------------------------------------- */ | ||
77 | |||
78 | #ifdef CONFIG_USB_GADGET_AT91 | ||
79 | static struct at91_udc_data udc_data; | ||
80 | |||
81 | static struct resource udc_resources[] = { | ||
82 | [0] = { | ||
83 | .start = AT91SAM9260_BASE_UDP, | ||
84 | .end = AT91SAM9260_BASE_UDP + SZ_16K - 1, | ||
85 | .flags = IORESOURCE_MEM, | ||
86 | }, | ||
87 | [1] = { | ||
88 | .start = AT91SAM9260_ID_UDP, | ||
89 | .end = AT91SAM9260_ID_UDP, | ||
90 | .flags = IORESOURCE_IRQ, | ||
91 | }, | ||
92 | }; | ||
93 | |||
94 | static struct platform_device at91_udc_device = { | ||
95 | .name = "at91_udc", | ||
96 | .id = -1, | ||
97 | .dev = { | ||
98 | .platform_data = &udc_data, | ||
99 | }, | ||
100 | .resource = udc_resources, | ||
101 | .num_resources = ARRAY_SIZE(udc_resources), | ||
102 | }; | ||
103 | |||
104 | void __init at91_add_device_udc(struct at91_udc_data *data) | ||
105 | { | ||
106 | if (!data) | ||
107 | return; | ||
108 | |||
109 | if (data->vbus_pin) { | ||
110 | at91_set_gpio_input(data->vbus_pin, 0); | ||
111 | at91_set_deglitch(data->vbus_pin, 1); | ||
112 | } | ||
113 | |||
114 | /* Pullup pin is handled internally by USB device peripheral */ | ||
115 | |||
116 | udc_data = *data; | ||
117 | platform_device_register(&at91_udc_device); | ||
118 | } | ||
119 | #else | ||
120 | void __init at91_add_device_udc(struct at91_udc_data *data) {} | ||
121 | #endif | ||
122 | |||
123 | |||
124 | /* -------------------------------------------------------------------- | ||
125 | * Ethernet | ||
126 | * -------------------------------------------------------------------- */ | ||
127 | |||
128 | #if defined(CONFIG_MACB) || defined(CONFIG_MACB_MODULE) | ||
129 | static u64 eth_dmamask = 0xffffffffUL; | ||
130 | static struct eth_platform_data eth_data; | ||
131 | |||
132 | static struct resource eth_resources[] = { | ||
133 | [0] = { | ||
134 | .start = AT91SAM9260_BASE_EMAC, | ||
135 | .end = AT91SAM9260_BASE_EMAC + SZ_16K - 1, | ||
136 | .flags = IORESOURCE_MEM, | ||
137 | }, | ||
138 | [1] = { | ||
139 | .start = AT91SAM9260_ID_EMAC, | ||
140 | .end = AT91SAM9260_ID_EMAC, | ||
141 | .flags = IORESOURCE_IRQ, | ||
142 | }, | ||
143 | }; | ||
144 | |||
145 | static struct platform_device at91sam9260_eth_device = { | ||
146 | .name = "macb", | ||
147 | .id = -1, | ||
148 | .dev = { | ||
149 | .dma_mask = ð_dmamask, | ||
150 | .coherent_dma_mask = 0xffffffff, | ||
151 | .platform_data = ð_data, | ||
152 | }, | ||
153 | .resource = eth_resources, | ||
154 | .num_resources = ARRAY_SIZE(eth_resources), | ||
155 | }; | ||
156 | |||
157 | void __init at91_add_device_eth(struct eth_platform_data *data) | ||
158 | { | ||
159 | if (!data) | ||
160 | return; | ||
161 | |||
162 | if (data->phy_irq_pin) { | ||
163 | at91_set_gpio_input(data->phy_irq_pin, 0); | ||
164 | at91_set_deglitch(data->phy_irq_pin, 1); | ||
165 | } | ||
166 | |||
167 | /* Pins used for MII and RMII */ | ||
168 | at91_set_A_periph(AT91_PIN_PA19, 0); /* ETXCK_EREFCK */ | ||
169 | at91_set_A_periph(AT91_PIN_PA17, 0); /* ERXDV */ | ||
170 | at91_set_A_periph(AT91_PIN_PA14, 0); /* ERX0 */ | ||
171 | at91_set_A_periph(AT91_PIN_PA15, 0); /* ERX1 */ | ||
172 | at91_set_A_periph(AT91_PIN_PA18, 0); /* ERXER */ | ||
173 | at91_set_A_periph(AT91_PIN_PA16, 0); /* ETXEN */ | ||
174 | at91_set_A_periph(AT91_PIN_PA12, 0); /* ETX0 */ | ||
175 | at91_set_A_periph(AT91_PIN_PA13, 0); /* ETX1 */ | ||
176 | at91_set_A_periph(AT91_PIN_PA21, 0); /* EMDIO */ | ||
177 | at91_set_A_periph(AT91_PIN_PA20, 0); /* EMDC */ | ||
178 | |||
179 | if (!data->is_rmii) { | ||
180 | at91_set_B_periph(AT91_PIN_PA28, 0); /* ECRS */ | ||
181 | at91_set_B_periph(AT91_PIN_PA29, 0); /* ECOL */ | ||
182 | at91_set_B_periph(AT91_PIN_PA25, 0); /* ERX2 */ | ||
183 | at91_set_B_periph(AT91_PIN_PA26, 0); /* ERX3 */ | ||
184 | at91_set_B_periph(AT91_PIN_PA27, 0); /* ERXCK */ | ||
185 | at91_set_B_periph(AT91_PIN_PA23, 0); /* ETX2 */ | ||
186 | at91_set_B_periph(AT91_PIN_PA24, 0); /* ETX3 */ | ||
187 | at91_set_B_periph(AT91_PIN_PA22, 0); /* ETXER */ | ||
188 | } | ||
189 | |||
190 | eth_data = *data; | ||
191 | platform_device_register(&at91sam9260_eth_device); | ||
192 | } | ||
193 | #else | ||
194 | void __init at91_add_device_eth(struct eth_platform_data *data) {} | ||
195 | #endif | ||
196 | |||
197 | |||
198 | /* -------------------------------------------------------------------- | ||
199 | * MMC / SD | ||
200 | * -------------------------------------------------------------------- */ | ||
201 | |||
202 | #if defined(CONFIG_MMC_AT91) || defined(CONFIG_MMC_AT91_MODULE) | ||
203 | static u64 mmc_dmamask = 0xffffffffUL; | ||
204 | static struct at91_mmc_data mmc_data; | ||
205 | |||
206 | static struct resource mmc_resources[] = { | ||
207 | [0] = { | ||
208 | .start = AT91SAM9260_BASE_MCI, | ||
209 | .end = AT91SAM9260_BASE_MCI + SZ_16K - 1, | ||
210 | .flags = IORESOURCE_MEM, | ||
211 | }, | ||
212 | [1] = { | ||
213 | .start = AT91SAM9260_ID_MCI, | ||
214 | .end = AT91SAM9260_ID_MCI, | ||
215 | .flags = IORESOURCE_IRQ, | ||
216 | }, | ||
217 | }; | ||
218 | |||
219 | static struct platform_device at91sam9260_mmc_device = { | ||
220 | .name = "at91_mci", | ||
221 | .id = -1, | ||
222 | .dev = { | ||
223 | .dma_mask = &mmc_dmamask, | ||
224 | .coherent_dma_mask = 0xffffffff, | ||
225 | .platform_data = &mmc_data, | ||
226 | }, | ||
227 | .resource = mmc_resources, | ||
228 | .num_resources = ARRAY_SIZE(mmc_resources), | ||
229 | }; | ||
230 | |||
231 | void __init at91_add_device_mmc(struct at91_mmc_data *data) | ||
232 | { | ||
233 | if (!data) | ||
234 | return; | ||
235 | |||
236 | /* input/irq */ | ||
237 | if (data->det_pin) { | ||
238 | at91_set_gpio_input(data->det_pin, 1); | ||
239 | at91_set_deglitch(data->det_pin, 1); | ||
240 | } | ||
241 | if (data->wp_pin) | ||
242 | at91_set_gpio_input(data->wp_pin, 1); | ||
243 | if (data->vcc_pin) | ||
244 | at91_set_gpio_output(data->vcc_pin, 0); | ||
245 | |||
246 | /* CLK */ | ||
247 | at91_set_A_periph(AT91_PIN_PA8, 0); | ||
248 | |||
249 | if (data->slot_b) { | ||
250 | /* CMD */ | ||
251 | at91_set_B_periph(AT91_PIN_PA1, 1); | ||
252 | |||
253 | /* DAT0, maybe DAT1..DAT3 */ | ||
254 | at91_set_B_periph(AT91_PIN_PA0, 1); | ||
255 | if (data->wire4) { | ||
256 | at91_set_B_periph(AT91_PIN_PA5, 1); | ||
257 | at91_set_B_periph(AT91_PIN_PA4, 1); | ||
258 | at91_set_B_periph(AT91_PIN_PA3, 1); | ||
259 | } | ||
260 | } else { | ||
261 | /* CMD */ | ||
262 | at91_set_A_periph(AT91_PIN_PA7, 1); | ||
263 | |||
264 | /* DAT0, maybe DAT1..DAT3 */ | ||
265 | at91_set_A_periph(AT91_PIN_PA6, 1); | ||
266 | if (data->wire4) { | ||
267 | at91_set_A_periph(AT91_PIN_PA9, 1); | ||
268 | at91_set_A_periph(AT91_PIN_PA10, 1); | ||
269 | at91_set_A_periph(AT91_PIN_PA11, 1); | ||
270 | } | ||
271 | } | ||
272 | |||
273 | mmc_data = *data; | ||
274 | platform_device_register(&at91sam9260_mmc_device); | ||
275 | } | ||
276 | #else | ||
277 | void __init at91_add_device_mmc(struct at91_mmc_data *data) {} | ||
278 | #endif | ||
279 | |||
280 | |||
281 | /* -------------------------------------------------------------------- | ||
282 | * NAND / SmartMedia | ||
283 | * -------------------------------------------------------------------- */ | ||
284 | |||
285 | #if defined(CONFIG_MTD_NAND_AT91) || defined(CONFIG_MTD_NAND_AT91_MODULE) | ||
286 | static struct at91_nand_data nand_data; | ||
287 | |||
288 | #define NAND_BASE AT91_CHIPSELECT_3 | ||
289 | |||
290 | static struct resource nand_resources[] = { | ||
291 | { | ||
292 | .start = NAND_BASE, | ||
293 | .end = NAND_BASE + SZ_8M - 1, | ||
294 | .flags = IORESOURCE_MEM, | ||
295 | } | ||
296 | }; | ||
297 | |||
298 | static struct platform_device at91sam9260_nand_device = { | ||
299 | .name = "at91_nand", | ||
300 | .id = -1, | ||
301 | .dev = { | ||
302 | .platform_data = &nand_data, | ||
303 | }, | ||
304 | .resource = nand_resources, | ||
305 | .num_resources = ARRAY_SIZE(nand_resources), | ||
306 | }; | ||
307 | |||
308 | void __init at91_add_device_nand(struct at91_nand_data *data) | ||
309 | { | ||
310 | unsigned long csa, mode; | ||
311 | |||
312 | if (!data) | ||
313 | return; | ||
314 | |||
315 | csa = at91_sys_read(AT91_MATRIX_EBICSA); | ||
316 | at91_sys_write(AT91_MATRIX_EBICSA, csa | AT91_MATRIX_CS3A_SMC); | ||
317 | |||
318 | /* set the bus interface characteristics */ | ||
319 | at91_sys_write(AT91_SMC_SETUP(3), AT91_SMC_NWESETUP_(0) | AT91_SMC_NCS_WRSETUP_(0) | ||
320 | | AT91_SMC_NRDSETUP_(0) | AT91_SMC_NCS_RDSETUP_(0)); | ||
321 | |||
322 | at91_sys_write(AT91_SMC_PULSE(3), AT91_SMC_NWEPULSE_(2) | AT91_SMC_NCS_WRPULSE_(5) | ||
323 | | AT91_SMC_NRDPULSE_(2) | AT91_SMC_NCS_RDPULSE_(5)); | ||
324 | |||
325 | at91_sys_write(AT91_SMC_CYCLE(3), AT91_SMC_NWECYCLE_(7) | AT91_SMC_NRDCYCLE_(7)); | ||
326 | |||
327 | if (data->bus_width_16) | ||
328 | mode = AT91_SMC_DBW_16; | ||
329 | else | ||
330 | mode = AT91_SMC_DBW_8; | ||
331 | at91_sys_write(AT91_SMC_MODE(3), mode | AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_TDF_(1)); | ||
332 | |||
333 | /* enable pin */ | ||
334 | if (data->enable_pin) | ||
335 | at91_set_gpio_output(data->enable_pin, 1); | ||
336 | |||
337 | /* ready/busy pin */ | ||
338 | if (data->rdy_pin) | ||
339 | at91_set_gpio_input(data->rdy_pin, 1); | ||
340 | |||
341 | /* card detect pin */ | ||
342 | if (data->det_pin) | ||
343 | at91_set_gpio_input(data->det_pin, 1); | ||
344 | |||
345 | nand_data = *data; | ||
346 | platform_device_register(&at91sam9260_nand_device); | ||
347 | } | ||
348 | #else | ||
349 | void __init at91_add_device_nand(struct at91_nand_data *data) {} | ||
350 | #endif | ||
351 | |||
352 | |||
353 | /* -------------------------------------------------------------------- | ||
354 | * TWI (i2c) | ||
355 | * -------------------------------------------------------------------- */ | ||
356 | |||
357 | #if defined(CONFIG_I2C_AT91) || defined(CONFIG_I2C_AT91_MODULE) | ||
358 | |||
359 | static struct resource twi_resources[] = { | ||
360 | [0] = { | ||
361 | .start = AT91SAM9260_BASE_TWI, | ||
362 | .end = AT91SAM9260_BASE_TWI + SZ_16K - 1, | ||
363 | .flags = IORESOURCE_MEM, | ||
364 | }, | ||
365 | [1] = { | ||
366 | .start = AT91SAM9260_ID_TWI, | ||
367 | .end = AT91SAM9260_ID_TWI, | ||
368 | .flags = IORESOURCE_IRQ, | ||
369 | }, | ||
370 | }; | ||
371 | |||
372 | static struct platform_device at91sam9260_twi_device = { | ||
373 | .name = "at91_i2c", | ||
374 | .id = -1, | ||
375 | .resource = twi_resources, | ||
376 | .num_resources = ARRAY_SIZE(twi_resources), | ||
377 | }; | ||
378 | |||
379 | void __init at91_add_device_i2c(void) | ||
380 | { | ||
381 | /* pins used for TWI interface */ | ||
382 | at91_set_A_periph(AT91_PIN_PA23, 0); /* TWD */ | ||
383 | at91_set_multi_drive(AT91_PIN_PA23, 1); | ||
384 | |||
385 | at91_set_A_periph(AT91_PIN_PA24, 0); /* TWCK */ | ||
386 | at91_set_multi_drive(AT91_PIN_PA24, 1); | ||
387 | |||
388 | platform_device_register(&at91sam9260_twi_device); | ||
389 | } | ||
390 | #else | ||
391 | void __init at91_add_device_i2c(void) {} | ||
392 | #endif | ||
393 | |||
394 | |||
395 | /* -------------------------------------------------------------------- | ||
396 | * SPI | ||
397 | * -------------------------------------------------------------------- */ | ||
398 | |||
399 | #if defined(CONFIG_SPI_ATMEL) || defined(CONFIG_SPI_ATMEL_MODULE) | ||
400 | static u64 spi_dmamask = 0xffffffffUL; | ||
401 | |||
402 | static struct resource spi0_resources[] = { | ||
403 | [0] = { | ||
404 | .start = AT91SAM9260_BASE_SPI0, | ||
405 | .end = AT91SAM9260_BASE_SPI0 + SZ_16K - 1, | ||
406 | .flags = IORESOURCE_MEM, | ||
407 | }, | ||
408 | [1] = { | ||
409 | .start = AT91SAM9260_ID_SPI0, | ||
410 | .end = AT91SAM9260_ID_SPI0, | ||
411 | .flags = IORESOURCE_IRQ, | ||
412 | }, | ||
413 | }; | ||
414 | |||
415 | static struct platform_device at91sam9260_spi0_device = { | ||
416 | .name = "atmel_spi", | ||
417 | .id = 0, | ||
418 | .dev = { | ||
419 | .dma_mask = &spi_dmamask, | ||
420 | .coherent_dma_mask = 0xffffffff, | ||
421 | }, | ||
422 | .resource = spi0_resources, | ||
423 | .num_resources = ARRAY_SIZE(spi0_resources), | ||
424 | }; | ||
425 | |||
426 | static const unsigned spi0_standard_cs[4] = { AT91_PIN_PA3, AT91_PIN_PC11, AT91_PIN_PC16, AT91_PIN_PC17 }; | ||
427 | |||
428 | static struct resource spi1_resources[] = { | ||
429 | [0] = { | ||
430 | .start = AT91SAM9260_BASE_SPI1, | ||
431 | .end = AT91SAM9260_BASE_SPI1 + SZ_16K - 1, | ||
432 | .flags = IORESOURCE_MEM, | ||
433 | }, | ||
434 | [1] = { | ||
435 | .start = AT91SAM9260_ID_SPI1, | ||
436 | .end = AT91SAM9260_ID_SPI1, | ||
437 | .flags = IORESOURCE_IRQ, | ||
438 | }, | ||
439 | }; | ||
440 | |||
441 | static struct platform_device at91sam9260_spi1_device = { | ||
442 | .name = "atmel_spi", | ||
443 | .id = 1, | ||
444 | .dev = { | ||
445 | .dma_mask = &spi_dmamask, | ||
446 | .coherent_dma_mask = 0xffffffff, | ||
447 | }, | ||
448 | .resource = spi1_resources, | ||
449 | .num_resources = ARRAY_SIZE(spi1_resources), | ||
450 | }; | ||
451 | |||
452 | static const unsigned spi1_standard_cs[4] = { AT91_PIN_PB3, AT91_PIN_PC5, AT91_PIN_PC4, AT91_PIN_PC3 }; | ||
453 | |||
454 | void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices) | ||
455 | { | ||
456 | int i; | ||
457 | unsigned long cs_pin; | ||
458 | short enable_spi0 = 0; | ||
459 | short enable_spi1 = 0; | ||
460 | |||
461 | /* Choose SPI chip-selects */ | ||
462 | for (i = 0; i < nr_devices; i++) { | ||
463 | if (devices[i].controller_data) | ||
464 | cs_pin = (unsigned long) devices[i].controller_data; | ||
465 | else if (devices[i].bus_num == 0) | ||
466 | cs_pin = spi0_standard_cs[devices[i].chip_select]; | ||
467 | else | ||
468 | cs_pin = spi1_standard_cs[devices[i].chip_select]; | ||
469 | |||
470 | if (devices[i].bus_num == 0) | ||
471 | enable_spi0 = 1; | ||
472 | else | ||
473 | enable_spi1 = 1; | ||
474 | |||
475 | /* enable chip-select pin */ | ||
476 | at91_set_gpio_output(cs_pin, 1); | ||
477 | |||
478 | /* pass chip-select pin to driver */ | ||
479 | devices[i].controller_data = (void *) cs_pin; | ||
480 | } | ||
481 | |||
482 | spi_register_board_info(devices, nr_devices); | ||
483 | |||
484 | /* Configure SPI bus(es) */ | ||
485 | if (enable_spi0) { | ||
486 | at91_set_A_periph(AT91_PIN_PA0, 0); /* SPI0_MISO */ | ||
487 | at91_set_A_periph(AT91_PIN_PA1, 0); /* SPI0_MOSI */ | ||
488 | at91_set_A_periph(AT91_PIN_PA2, 0); /* SPI1_SPCK */ | ||
489 | |||
490 | at91_clock_associate("spi0_clk", &at91sam9260_spi0_device.dev, "spi_clk"); | ||
491 | platform_device_register(&at91sam9260_spi0_device); | ||
492 | } | ||
493 | if (enable_spi1) { | ||
494 | at91_set_A_periph(AT91_PIN_PB0, 0); /* SPI1_MISO */ | ||
495 | at91_set_A_periph(AT91_PIN_PB1, 0); /* SPI1_MOSI */ | ||
496 | at91_set_A_periph(AT91_PIN_PB2, 0); /* SPI1_SPCK */ | ||
497 | |||
498 | at91_clock_associate("spi1_clk", &at91sam9260_spi1_device.dev, "spi_clk"); | ||
499 | platform_device_register(&at91sam9260_spi1_device); | ||
500 | } | ||
501 | } | ||
502 | #else | ||
503 | void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices) {} | ||
504 | #endif | ||
505 | |||
506 | |||
507 | /* -------------------------------------------------------------------- | ||
508 | * LEDs | ||
509 | * -------------------------------------------------------------------- */ | ||
510 | |||
511 | #if defined(CONFIG_LEDS) | ||
512 | u8 at91_leds_cpu; | ||
513 | u8 at91_leds_timer; | ||
514 | |||
515 | void __init at91_init_leds(u8 cpu_led, u8 timer_led) | ||
516 | { | ||
517 | at91_leds_cpu = cpu_led; | ||
518 | at91_leds_timer = timer_led; | ||
519 | } | ||
520 | #else | ||
521 | void __init at91_init_leds(u8 cpu_led, u8 timer_led) {} | ||
522 | #endif | ||
523 | |||
524 | |||
525 | /* -------------------------------------------------------------------- | ||
526 | * UART | ||
527 | * -------------------------------------------------------------------- */ | ||
528 | #if defined(CONFIG_SERIAL_ATMEL) | ||
529 | static struct resource dbgu_resources[] = { | ||
530 | [0] = { | ||
531 | .start = AT91_VA_BASE_SYS + AT91_DBGU, | ||
532 | .end = AT91_VA_BASE_SYS + AT91_DBGU + SZ_512 - 1, | ||
533 | .flags = IORESOURCE_MEM, | ||
534 | }, | ||
535 | [1] = { | ||
536 | .start = AT91_ID_SYS, | ||
537 | .end = AT91_ID_SYS, | ||
538 | .flags = IORESOURCE_IRQ, | ||
539 | }, | ||
540 | }; | ||
541 | |||
542 | static struct atmel_uart_data dbgu_data = { | ||
543 | .use_dma_tx = 0, | ||
544 | .use_dma_rx = 0, /* DBGU not capable of receive DMA */ | ||
545 | .regs = (void __iomem *)(AT91_VA_BASE_SYS + AT91_DBGU), | ||
546 | }; | ||
547 | |||
548 | static struct platform_device at91sam9260_dbgu_device = { | ||
549 | .name = "atmel_usart", | ||
550 | .id = 0, | ||
551 | .dev = { | ||
552 | .platform_data = &dbgu_data, | ||
553 | .coherent_dma_mask = 0xffffffff, | ||
554 | }, | ||
555 | .resource = dbgu_resources, | ||
556 | .num_resources = ARRAY_SIZE(dbgu_resources), | ||
557 | }; | ||
558 | |||
559 | static inline void configure_dbgu_pins(void) | ||
560 | { | ||
561 | at91_set_A_periph(AT91_PIN_PB14, 0); /* DRXD */ | ||
562 | at91_set_A_periph(AT91_PIN_PB15, 1); /* DTXD */ | ||
563 | } | ||
564 | |||
565 | static struct resource uart0_resources[] = { | ||
566 | [0] = { | ||
567 | .start = AT91SAM9260_BASE_US0, | ||
568 | .end = AT91SAM9260_BASE_US0 + SZ_16K - 1, | ||
569 | .flags = IORESOURCE_MEM, | ||
570 | }, | ||
571 | [1] = { | ||
572 | .start = AT91SAM9260_ID_US0, | ||
573 | .end = AT91SAM9260_ID_US0, | ||
574 | .flags = IORESOURCE_IRQ, | ||
575 | }, | ||
576 | }; | ||
577 | |||
578 | static struct atmel_uart_data uart0_data = { | ||
579 | .use_dma_tx = 1, | ||
580 | .use_dma_rx = 1, | ||
581 | }; | ||
582 | |||
583 | static struct platform_device at91sam9260_uart0_device = { | ||
584 | .name = "atmel_usart", | ||
585 | .id = 1, | ||
586 | .dev = { | ||
587 | .platform_data = &uart0_data, | ||
588 | .coherent_dma_mask = 0xffffffff, | ||
589 | }, | ||
590 | .resource = uart0_resources, | ||
591 | .num_resources = ARRAY_SIZE(uart0_resources), | ||
592 | }; | ||
593 | |||
594 | static inline void configure_usart0_pins(void) | ||
595 | { | ||
596 | at91_set_A_periph(AT91_PIN_PB4, 1); /* TXD0 */ | ||
597 | at91_set_A_periph(AT91_PIN_PB5, 0); /* RXD0 */ | ||
598 | at91_set_A_periph(AT91_PIN_PB26, 0); /* RTS0 */ | ||
599 | at91_set_A_periph(AT91_PIN_PB27, 0); /* CTS0 */ | ||
600 | at91_set_A_periph(AT91_PIN_PB24, 0); /* DTR0 */ | ||
601 | at91_set_A_periph(AT91_PIN_PB22, 0); /* DSR0 */ | ||
602 | at91_set_A_periph(AT91_PIN_PB23, 0); /* DCD0 */ | ||
603 | at91_set_A_periph(AT91_PIN_PB25, 0); /* RI0 */ | ||
604 | } | ||
605 | |||
606 | static struct resource uart1_resources[] = { | ||
607 | [0] = { | ||
608 | .start = AT91SAM9260_BASE_US1, | ||
609 | .end = AT91SAM9260_BASE_US1 + SZ_16K - 1, | ||
610 | .flags = IORESOURCE_MEM, | ||
611 | }, | ||
612 | [1] = { | ||
613 | .start = AT91SAM9260_ID_US1, | ||
614 | .end = AT91SAM9260_ID_US1, | ||
615 | .flags = IORESOURCE_IRQ, | ||
616 | }, | ||
617 | }; | ||
618 | |||
619 | static struct atmel_uart_data uart1_data = { | ||
620 | .use_dma_tx = 1, | ||
621 | .use_dma_rx = 1, | ||
622 | }; | ||
623 | |||
624 | static struct platform_device at91sam9260_uart1_device = { | ||
625 | .name = "atmel_usart", | ||
626 | .id = 2, | ||
627 | .dev = { | ||
628 | .platform_data = &uart1_data, | ||
629 | .coherent_dma_mask = 0xffffffff, | ||
630 | }, | ||
631 | .resource = uart1_resources, | ||
632 | .num_resources = ARRAY_SIZE(uart1_resources), | ||
633 | }; | ||
634 | |||
635 | static inline void configure_usart1_pins(void) | ||
636 | { | ||
637 | at91_set_A_periph(AT91_PIN_PB6, 1); /* TXD1 */ | ||
638 | at91_set_A_periph(AT91_PIN_PB7, 0); /* RXD1 */ | ||
639 | at91_set_A_periph(AT91_PIN_PB28, 0); /* RTS1 */ | ||
640 | at91_set_A_periph(AT91_PIN_PB29, 0); /* CTS1 */ | ||
641 | } | ||
642 | |||
643 | static struct resource uart2_resources[] = { | ||
644 | [0] = { | ||
645 | .start = AT91SAM9260_BASE_US2, | ||
646 | .end = AT91SAM9260_BASE_US2 + SZ_16K - 1, | ||
647 | .flags = IORESOURCE_MEM, | ||
648 | }, | ||
649 | [1] = { | ||
650 | .start = AT91SAM9260_ID_US2, | ||
651 | .end = AT91SAM9260_ID_US2, | ||
652 | .flags = IORESOURCE_IRQ, | ||
653 | }, | ||
654 | }; | ||
655 | |||
656 | static struct atmel_uart_data uart2_data = { | ||
657 | .use_dma_tx = 1, | ||
658 | .use_dma_rx = 1, | ||
659 | }; | ||
660 | |||
661 | static struct platform_device at91sam9260_uart2_device = { | ||
662 | .name = "atmel_usart", | ||
663 | .id = 3, | ||
664 | .dev = { | ||
665 | .platform_data = &uart2_data, | ||
666 | .coherent_dma_mask = 0xffffffff, | ||
667 | }, | ||
668 | .resource = uart2_resources, | ||
669 | .num_resources = ARRAY_SIZE(uart2_resources), | ||
670 | }; | ||
671 | |||
672 | static inline void configure_usart2_pins(void) | ||
673 | { | ||
674 | at91_set_A_periph(AT91_PIN_PB8, 1); /* TXD2 */ | ||
675 | at91_set_A_periph(AT91_PIN_PB9, 0); /* RXD2 */ | ||
676 | } | ||
677 | |||
678 | static struct resource uart3_resources[] = { | ||
679 | [0] = { | ||
680 | .start = AT91SAM9260_BASE_US3, | ||
681 | .end = AT91SAM9260_BASE_US3 + SZ_16K - 1, | ||
682 | .flags = IORESOURCE_MEM, | ||
683 | }, | ||
684 | [1] = { | ||
685 | .start = AT91SAM9260_ID_US3, | ||
686 | .end = AT91SAM9260_ID_US3, | ||
687 | .flags = IORESOURCE_IRQ, | ||
688 | }, | ||
689 | }; | ||
690 | |||
691 | static struct atmel_uart_data uart3_data = { | ||
692 | .use_dma_tx = 1, | ||
693 | .use_dma_rx = 1, | ||
694 | }; | ||
695 | |||
696 | static struct platform_device at91sam9260_uart3_device = { | ||
697 | .name = "atmel_usart", | ||
698 | .id = 4, | ||
699 | .dev = { | ||
700 | .platform_data = &uart3_data, | ||
701 | .coherent_dma_mask = 0xffffffff, | ||
702 | }, | ||
703 | .resource = uart3_resources, | ||
704 | .num_resources = ARRAY_SIZE(uart3_resources), | ||
705 | }; | ||
706 | |||
707 | static inline void configure_usart3_pins(void) | ||
708 | { | ||
709 | at91_set_A_periph(AT91_PIN_PB10, 1); /* TXD3 */ | ||
710 | at91_set_A_periph(AT91_PIN_PB11, 0); /* RXD3 */ | ||
711 | } | ||
712 | |||
713 | static struct resource uart4_resources[] = { | ||
714 | [0] = { | ||
715 | .start = AT91SAM9260_BASE_US4, | ||
716 | .end = AT91SAM9260_BASE_US4 + SZ_16K - 1, | ||
717 | .flags = IORESOURCE_MEM, | ||
718 | }, | ||
719 | [1] = { | ||
720 | .start = AT91SAM9260_ID_US4, | ||
721 | .end = AT91SAM9260_ID_US4, | ||
722 | .flags = IORESOURCE_IRQ, | ||
723 | }, | ||
724 | }; | ||
725 | |||
726 | static struct atmel_uart_data uart4_data = { | ||
727 | .use_dma_tx = 1, | ||
728 | .use_dma_rx = 1, | ||
729 | }; | ||
730 | |||
731 | static struct platform_device at91sam9260_uart4_device = { | ||
732 | .name = "atmel_usart", | ||
733 | .id = 5, | ||
734 | .dev = { | ||
735 | .platform_data = &uart4_data, | ||
736 | .coherent_dma_mask = 0xffffffff, | ||
737 | }, | ||
738 | .resource = uart4_resources, | ||
739 | .num_resources = ARRAY_SIZE(uart4_resources), | ||
740 | }; | ||
741 | |||
742 | static inline void configure_usart4_pins(void) | ||
743 | { | ||
744 | at91_set_B_periph(AT91_PIN_PA31, 1); /* TXD4 */ | ||
745 | at91_set_B_periph(AT91_PIN_PA30, 0); /* RXD4 */ | ||
746 | } | ||
747 | |||
748 | static struct resource uart5_resources[] = { | ||
749 | [0] = { | ||
750 | .start = AT91SAM9260_BASE_US5, | ||
751 | .end = AT91SAM9260_BASE_US5 + SZ_16K - 1, | ||
752 | .flags = IORESOURCE_MEM, | ||
753 | }, | ||
754 | [1] = { | ||
755 | .start = AT91SAM9260_ID_US5, | ||
756 | .end = AT91SAM9260_ID_US5, | ||
757 | .flags = IORESOURCE_IRQ, | ||
758 | }, | ||
759 | }; | ||
760 | |||
761 | static struct atmel_uart_data uart5_data = { | ||
762 | .use_dma_tx = 1, | ||
763 | .use_dma_rx = 1, | ||
764 | }; | ||
765 | |||
766 | static struct platform_device at91sam9260_uart5_device = { | ||
767 | .name = "atmel_usart", | ||
768 | .id = 6, | ||
769 | .dev = { | ||
770 | .platform_data = &uart5_data, | ||
771 | .coherent_dma_mask = 0xffffffff, | ||
772 | }, | ||
773 | .resource = uart5_resources, | ||
774 | .num_resources = ARRAY_SIZE(uart5_resources), | ||
775 | }; | ||
776 | |||
777 | static inline void configure_usart5_pins(void) | ||
778 | { | ||
779 | at91_set_A_periph(AT91_PIN_PB12, 1); /* TXD5 */ | ||
780 | at91_set_A_periph(AT91_PIN_PB13, 0); /* RXD5 */ | ||
781 | } | ||
782 | |||
783 | struct platform_device *at91_uarts[ATMEL_MAX_UART]; /* the UARTs to use */ | ||
784 | struct platform_device *atmel_default_console_device; /* the serial console device */ | ||
785 | |||
786 | void __init at91_init_serial(struct at91_uart_config *config) | ||
787 | { | ||
788 | int i; | ||
789 | |||
790 | /* Fill in list of supported UARTs */ | ||
791 | for (i = 0; i < config->nr_tty; i++) { | ||
792 | switch (config->tty_map[i]) { | ||
793 | case 0: | ||
794 | configure_usart0_pins(); | ||
795 | at91_uarts[i] = &at91sam9260_uart0_device; | ||
796 | at91_clock_associate("usart0_clk", &at91sam9260_uart0_device.dev, "usart"); | ||
797 | break; | ||
798 | case 1: | ||
799 | configure_usart1_pins(); | ||
800 | at91_uarts[i] = &at91sam9260_uart1_device; | ||
801 | at91_clock_associate("usart1_clk", &at91sam9260_uart1_device.dev, "usart"); | ||
802 | break; | ||
803 | case 2: | ||
804 | configure_usart2_pins(); | ||
805 | at91_uarts[i] = &at91sam9260_uart2_device; | ||
806 | at91_clock_associate("usart2_clk", &at91sam9260_uart2_device.dev, "usart"); | ||
807 | break; | ||
808 | case 3: | ||
809 | configure_usart3_pins(); | ||
810 | at91_uarts[i] = &at91sam9260_uart3_device; | ||
811 | at91_clock_associate("usart3_clk", &at91sam9260_uart3_device.dev, "usart"); | ||
812 | break; | ||
813 | case 4: | ||
814 | configure_usart4_pins(); | ||
815 | at91_uarts[i] = &at91sam9260_uart4_device; | ||
816 | at91_clock_associate("usart4_clk", &at91sam9260_uart4_device.dev, "usart"); | ||
817 | break; | ||
818 | case 5: | ||
819 | configure_usart5_pins(); | ||
820 | at91_uarts[i] = &at91sam9260_uart5_device; | ||
821 | at91_clock_associate("usart5_clk", &at91sam9260_uart5_device.dev, "usart"); | ||
822 | break; | ||
823 | case 6: | ||
824 | configure_dbgu_pins(); | ||
825 | at91_uarts[i] = &at91sam9260_dbgu_device; | ||
826 | at91_clock_associate("mck", &at91sam9260_dbgu_device.dev, "usart"); | ||
827 | break; | ||
828 | default: | ||
829 | continue; | ||
830 | } | ||
831 | at91_uarts[i]->id = i; /* update ID number to mapped ID */ | ||
832 | } | ||
833 | |||
834 | /* Set serial console device */ | ||
835 | if (config->console_tty < ATMEL_MAX_UART) | ||
836 | atmel_default_console_device = at91_uarts[config->console_tty]; | ||
837 | if (!atmel_default_console_device) | ||
838 | printk(KERN_INFO "AT91: No default serial console defined.\n"); | ||
839 | } | ||
840 | |||
841 | void __init at91_add_device_serial(void) | ||
842 | { | ||
843 | int i; | ||
844 | |||
845 | for (i = 0; i < ATMEL_MAX_UART; i++) { | ||
846 | if (at91_uarts[i]) | ||
847 | platform_device_register(at91_uarts[i]); | ||
848 | } | ||
849 | } | ||
850 | #else | ||
851 | void __init at91_init_serial(struct at91_uart_config *config) {} | ||
852 | void __init at91_add_device_serial(void) {} | ||
853 | #endif | ||
854 | |||
855 | |||
856 | /* -------------------------------------------------------------------- */ | ||
857 | /* | ||
858 | * These devices are always present and don't need any board-specific | ||
859 | * setup. | ||
860 | */ | ||
861 | static int __init at91_add_standard_devices(void) | ||
862 | { | ||
863 | return 0; | ||
864 | } | ||
865 | |||
866 | arch_initcall(at91_add_standard_devices); | ||
diff --git a/arch/arm/mach-at91rm9200/at91sam9261_devices.c b/arch/arm/mach-at91rm9200/at91sam9261_devices.c new file mode 100644 index 000000000000..ed1d79081b35 --- /dev/null +++ b/arch/arm/mach-at91rm9200/at91sam9261_devices.c | |||
@@ -0,0 +1,741 @@ | |||
1 | /* | ||
2 | * arch/arm/mach-at91rm9200/at91sam9261_devices.c | ||
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 | |||
16 | #include <linux/platform_device.h> | ||
17 | |||
18 | #include <asm/arch/board.h> | ||
19 | #include <asm/arch/gpio.h> | ||
20 | #include <asm/arch/at91sam9261.h> | ||
21 | #include <asm/arch/at91sam9261_matrix.h> | ||
22 | #include <asm/arch/at91sam926x_mc.h> | ||
23 | |||
24 | #include "generic.h" | ||
25 | |||
26 | #define SZ_512 0x00000200 | ||
27 | #define SZ_256 0x00000100 | ||
28 | #define SZ_16 0x00000010 | ||
29 | |||
30 | /* -------------------------------------------------------------------- | ||
31 | * USB Host | ||
32 | * -------------------------------------------------------------------- */ | ||
33 | |||
34 | #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) | ||
35 | static u64 ohci_dmamask = 0xffffffffUL; | ||
36 | static struct at91_usbh_data usbh_data; | ||
37 | |||
38 | static struct resource usbh_resources[] = { | ||
39 | [0] = { | ||
40 | .start = AT91SAM9261_UHP_BASE, | ||
41 | .end = AT91SAM9261_UHP_BASE + SZ_1M - 1, | ||
42 | .flags = IORESOURCE_MEM, | ||
43 | }, | ||
44 | [1] = { | ||
45 | .start = AT91SAM9261_ID_UHP, | ||
46 | .end = AT91SAM9261_ID_UHP, | ||
47 | .flags = IORESOURCE_IRQ, | ||
48 | }, | ||
49 | }; | ||
50 | |||
51 | static struct platform_device at91sam9261_usbh_device = { | ||
52 | .name = "at91_ohci", | ||
53 | .id = -1, | ||
54 | .dev = { | ||
55 | .dma_mask = &ohci_dmamask, | ||
56 | .coherent_dma_mask = 0xffffffff, | ||
57 | .platform_data = &usbh_data, | ||
58 | }, | ||
59 | .resource = usbh_resources, | ||
60 | .num_resources = ARRAY_SIZE(usbh_resources), | ||
61 | }; | ||
62 | |||
63 | void __init at91_add_device_usbh(struct at91_usbh_data *data) | ||
64 | { | ||
65 | if (!data) | ||
66 | return; | ||
67 | |||
68 | usbh_data = *data; | ||
69 | platform_device_register(&at91sam9261_usbh_device); | ||
70 | } | ||
71 | #else | ||
72 | void __init at91_add_device_usbh(struct at91_usbh_data *data) {} | ||
73 | #endif | ||
74 | |||
75 | |||
76 | /* -------------------------------------------------------------------- | ||
77 | * USB Device (Gadget) | ||
78 | * -------------------------------------------------------------------- */ | ||
79 | |||
80 | #ifdef CONFIG_USB_GADGET_AT91 | ||
81 | static struct at91_udc_data udc_data; | ||
82 | |||
83 | static struct resource udc_resources[] = { | ||
84 | [0] = { | ||
85 | .start = AT91SAM9261_BASE_UDP, | ||
86 | .end = AT91SAM9261_BASE_UDP + SZ_16K - 1, | ||
87 | .flags = IORESOURCE_MEM, | ||
88 | }, | ||
89 | [1] = { | ||
90 | .start = AT91SAM9261_ID_UDP, | ||
91 | .end = AT91SAM9261_ID_UDP, | ||
92 | .flags = IORESOURCE_IRQ, | ||
93 | }, | ||
94 | }; | ||
95 | |||
96 | static struct platform_device at91sam9261_udc_device = { | ||
97 | .name = "at91_udc", | ||
98 | .id = -1, | ||
99 | .dev = { | ||
100 | .platform_data = &udc_data, | ||
101 | }, | ||
102 | .resource = udc_resources, | ||
103 | .num_resources = ARRAY_SIZE(udc_resources), | ||
104 | }; | ||
105 | |||
106 | void __init at91_add_device_udc(struct at91_udc_data *data) | ||
107 | { | ||
108 | unsigned long x; | ||
109 | |||
110 | if (!data) | ||
111 | return; | ||
112 | |||
113 | if (data->vbus_pin) { | ||
114 | at91_set_gpio_input(data->vbus_pin, 0); | ||
115 | at91_set_deglitch(data->vbus_pin, 1); | ||
116 | } | ||
117 | |||
118 | /* Pullup pin is handled internally */ | ||
119 | x = at91_sys_read(AT91_MATRIX_USBPUCR); | ||
120 | at91_sys_write(AT91_MATRIX_USBPUCR, x | AT91_MATRIX_USBPUCR_PUON); | ||
121 | |||
122 | udc_data = *data; | ||
123 | platform_device_register(&at91sam9261_udc_device); | ||
124 | } | ||
125 | #else | ||
126 | void __init at91_add_device_udc(struct at91_udc_data *data) {} | ||
127 | #endif | ||
128 | |||
129 | /* -------------------------------------------------------------------- | ||
130 | * MMC / SD | ||
131 | * -------------------------------------------------------------------- */ | ||
132 | |||
133 | #if defined(CONFIG_MMC_AT91) || defined(CONFIG_MMC_AT91_MODULE) | ||
134 | static u64 mmc_dmamask = 0xffffffffUL; | ||
135 | static struct at91_mmc_data mmc_data; | ||
136 | |||
137 | static struct resource mmc_resources[] = { | ||
138 | [0] = { | ||
139 | .start = AT91SAM9261_BASE_MCI, | ||
140 | .end = AT91SAM9261_BASE_MCI + SZ_16K - 1, | ||
141 | .flags = IORESOURCE_MEM, | ||
142 | }, | ||
143 | [1] = { | ||
144 | .start = AT91SAM9261_ID_MCI, | ||
145 | .end = AT91SAM9261_ID_MCI, | ||
146 | .flags = IORESOURCE_IRQ, | ||
147 | }, | ||
148 | }; | ||
149 | |||
150 | static struct platform_device at91sam9261_mmc_device = { | ||
151 | .name = "at91_mci", | ||
152 | .id = -1, | ||
153 | .dev = { | ||
154 | .dma_mask = &mmc_dmamask, | ||
155 | .coherent_dma_mask = 0xffffffff, | ||
156 | .platform_data = &mmc_data, | ||
157 | }, | ||
158 | .resource = mmc_resources, | ||
159 | .num_resources = ARRAY_SIZE(mmc_resources), | ||
160 | }; | ||
161 | |||
162 | void __init at91_add_device_mmc(struct at91_mmc_data *data) | ||
163 | { | ||
164 | if (!data) | ||
165 | return; | ||
166 | |||
167 | /* input/irq */ | ||
168 | if (data->det_pin) { | ||
169 | at91_set_gpio_input(data->det_pin, 1); | ||
170 | at91_set_deglitch(data->det_pin, 1); | ||
171 | } | ||
172 | if (data->wp_pin) | ||
173 | at91_set_gpio_input(data->wp_pin, 1); | ||
174 | if (data->vcc_pin) | ||
175 | at91_set_gpio_output(data->vcc_pin, 0); | ||
176 | |||
177 | /* CLK */ | ||
178 | at91_set_B_periph(AT91_PIN_PA2, 0); | ||
179 | |||
180 | /* CMD */ | ||
181 | at91_set_B_periph(AT91_PIN_PA1, 1); | ||
182 | |||
183 | /* DAT0, maybe DAT1..DAT3 */ | ||
184 | at91_set_B_periph(AT91_PIN_PA0, 1); | ||
185 | if (data->wire4) { | ||
186 | at91_set_B_periph(AT91_PIN_PA4, 1); | ||
187 | at91_set_B_periph(AT91_PIN_PA5, 1); | ||
188 | at91_set_B_periph(AT91_PIN_PA6, 1); | ||
189 | } | ||
190 | |||
191 | mmc_data = *data; | ||
192 | platform_device_register(&at91sam9261_mmc_device); | ||
193 | } | ||
194 | #else | ||
195 | void __init at91_add_device_mmc(struct at91_mmc_data *data) {} | ||
196 | #endif | ||
197 | |||
198 | |||
199 | /* -------------------------------------------------------------------- | ||
200 | * NAND / SmartMedia | ||
201 | * -------------------------------------------------------------------- */ | ||
202 | |||
203 | #if defined(CONFIG_MTD_NAND_AT91) || defined(CONFIG_MTD_NAND_AT91_MODULE) | ||
204 | static struct at91_nand_data nand_data; | ||
205 | |||
206 | #define NAND_BASE AT91_CHIPSELECT_3 | ||
207 | |||
208 | static struct resource nand_resources[] = { | ||
209 | { | ||
210 | .start = NAND_BASE, | ||
211 | .end = NAND_BASE + SZ_256M - 1, | ||
212 | .flags = IORESOURCE_MEM, | ||
213 | } | ||
214 | }; | ||
215 | |||
216 | static struct platform_device at91_nand_device = { | ||
217 | .name = "at91_nand", | ||
218 | .id = -1, | ||
219 | .dev = { | ||
220 | .platform_data = &nand_data, | ||
221 | }, | ||
222 | .resource = nand_resources, | ||
223 | .num_resources = ARRAY_SIZE(nand_resources), | ||
224 | }; | ||
225 | |||
226 | void __init at91_add_device_nand(struct at91_nand_data *data) | ||
227 | { | ||
228 | unsigned long csa, mode; | ||
229 | |||
230 | if (!data) | ||
231 | return; | ||
232 | |||
233 | csa = at91_sys_read(AT91_MATRIX_EBICSA); | ||
234 | at91_sys_write(AT91_MATRIX_EBICSA, csa | AT91_MATRIX_CS3A_SMC); | ||
235 | |||
236 | /* set the bus interface characteristics */ | ||
237 | at91_sys_write(AT91_SMC_SETUP(3), AT91_SMC_NWESETUP_(0) | AT91_SMC_NCS_WRSETUP_(0) | ||
238 | | AT91_SMC_NRDSETUP_(0) | AT91_SMC_NCS_RDSETUP_(0)); | ||
239 | |||
240 | at91_sys_write(AT91_SMC_PULSE(3), AT91_SMC_NWEPULSE_(2) | AT91_SMC_NCS_WRPULSE_(5) | ||
241 | | AT91_SMC_NRDPULSE_(2) | AT91_SMC_NCS_RDPULSE_(5)); | ||
242 | |||
243 | at91_sys_write(AT91_SMC_CYCLE(3), AT91_SMC_NWECYCLE_(7) | AT91_SMC_NRDCYCLE_(7)); | ||
244 | |||
245 | if (data->bus_width_16) | ||
246 | mode = AT91_SMC_DBW_16; | ||
247 | else | ||
248 | mode = AT91_SMC_DBW_8; | ||
249 | at91_sys_write(AT91_SMC_MODE(3), mode | AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_TDF_(1)); | ||
250 | |||
251 | /* enable pin */ | ||
252 | if (data->enable_pin) | ||
253 | at91_set_gpio_output(data->enable_pin, 1); | ||
254 | |||
255 | /* ready/busy pin */ | ||
256 | if (data->rdy_pin) | ||
257 | at91_set_gpio_input(data->rdy_pin, 1); | ||
258 | |||
259 | /* card detect pin */ | ||
260 | if (data->det_pin) | ||
261 | at91_set_gpio_input(data->det_pin, 1); | ||
262 | |||
263 | at91_set_A_periph(AT91_PIN_PC0, 0); /* NANDOE */ | ||
264 | at91_set_A_periph(AT91_PIN_PC1, 0); /* NANDWE */ | ||
265 | |||
266 | nand_data = *data; | ||
267 | platform_device_register(&at91_nand_device); | ||
268 | } | ||
269 | |||
270 | #else | ||
271 | void __init at91_add_device_nand(struct at91_nand_data *data) {} | ||
272 | #endif | ||
273 | |||
274 | |||
275 | /* -------------------------------------------------------------------- | ||
276 | * TWI (i2c) | ||
277 | * -------------------------------------------------------------------- */ | ||
278 | |||
279 | #if defined(CONFIG_I2C_AT91) || defined(CONFIG_I2C_AT91_MODULE) | ||
280 | |||
281 | static struct resource twi_resources[] = { | ||
282 | [0] = { | ||
283 | .start = AT91SAM9261_BASE_TWI, | ||
284 | .end = AT91SAM9261_BASE_TWI + SZ_16K - 1, | ||
285 | .flags = IORESOURCE_MEM, | ||
286 | }, | ||
287 | [1] = { | ||
288 | .start = AT91SAM9261_ID_TWI, | ||
289 | .end = AT91SAM9261_ID_TWI, | ||
290 | .flags = IORESOURCE_IRQ, | ||
291 | }, | ||
292 | }; | ||
293 | |||
294 | static struct platform_device at91sam9261_twi_device = { | ||
295 | .name = "at91_i2c", | ||
296 | .id = -1, | ||
297 | .resource = twi_resources, | ||
298 | .num_resources = ARRAY_SIZE(twi_resources), | ||
299 | }; | ||
300 | |||
301 | void __init at91_add_device_i2c(void) | ||
302 | { | ||
303 | /* pins used for TWI interface */ | ||
304 | at91_set_A_periph(AT91_PIN_PA7, 0); /* TWD */ | ||
305 | at91_set_multi_drive(AT91_PIN_PA7, 1); | ||
306 | |||
307 | at91_set_A_periph(AT91_PIN_PA8, 0); /* TWCK */ | ||
308 | at91_set_multi_drive(AT91_PIN_PA8, 1); | ||
309 | |||
310 | platform_device_register(&at91sam9261_twi_device); | ||
311 | } | ||
312 | #else | ||
313 | void __init at91_add_device_i2c(void) {} | ||
314 | #endif | ||
315 | |||
316 | |||
317 | /* -------------------------------------------------------------------- | ||
318 | * SPI | ||
319 | * -------------------------------------------------------------------- */ | ||
320 | |||
321 | #if defined(CONFIG_SPI_ATMEL) || defined(CONFIG_SPI_ATMEL_MODULE) | ||
322 | static u64 spi_dmamask = 0xffffffffUL; | ||
323 | |||
324 | static struct resource spi0_resources[] = { | ||
325 | [0] = { | ||
326 | .start = AT91SAM9261_BASE_SPI0, | ||
327 | .end = AT91SAM9261_BASE_SPI0 + SZ_16K - 1, | ||
328 | .flags = IORESOURCE_MEM, | ||
329 | }, | ||
330 | [1] = { | ||
331 | .start = AT91SAM9261_ID_SPI0, | ||
332 | .end = AT91SAM9261_ID_SPI0, | ||
333 | .flags = IORESOURCE_IRQ, | ||
334 | }, | ||
335 | }; | ||
336 | |||
337 | static struct platform_device at91sam9261_spi0_device = { | ||
338 | .name = "atmel_spi", | ||
339 | .id = 0, | ||
340 | .dev = { | ||
341 | .dma_mask = &spi_dmamask, | ||
342 | .coherent_dma_mask = 0xffffffff, | ||
343 | }, | ||
344 | .resource = spi0_resources, | ||
345 | .num_resources = ARRAY_SIZE(spi0_resources), | ||
346 | }; | ||
347 | |||
348 | static const unsigned spi0_standard_cs[4] = { AT91_PIN_PA3, AT91_PIN_PA4, AT91_PIN_PA5, AT91_PIN_PA6 }; | ||
349 | |||
350 | static struct resource spi1_resources[] = { | ||
351 | [0] = { | ||
352 | .start = AT91SAM9261_BASE_SPI1, | ||
353 | .end = AT91SAM9261_BASE_SPI1 + SZ_16K - 1, | ||
354 | .flags = IORESOURCE_MEM, | ||
355 | }, | ||
356 | [1] = { | ||
357 | .start = AT91SAM9261_ID_SPI1, | ||
358 | .end = AT91SAM9261_ID_SPI1, | ||
359 | .flags = IORESOURCE_IRQ, | ||
360 | }, | ||
361 | }; | ||
362 | |||
363 | static struct platform_device at91sam9261_spi1_device = { | ||
364 | .name = "atmel_spi", | ||
365 | .id = 1, | ||
366 | .dev = { | ||
367 | .dma_mask = &spi_dmamask, | ||
368 | .coherent_dma_mask = 0xffffffff, | ||
369 | }, | ||
370 | .resource = spi1_resources, | ||
371 | .num_resources = ARRAY_SIZE(spi1_resources), | ||
372 | }; | ||
373 | |||
374 | static const unsigned spi1_standard_cs[4] = { AT91_PIN_PB28, AT91_PIN_PA24, AT91_PIN_PA25, AT91_PIN_PA26 }; | ||
375 | |||
376 | void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices) | ||
377 | { | ||
378 | int i; | ||
379 | unsigned long cs_pin; | ||
380 | short enable_spi0 = 0; | ||
381 | short enable_spi1 = 0; | ||
382 | |||
383 | /* Choose SPI chip-selects */ | ||
384 | for (i = 0; i < nr_devices; i++) { | ||
385 | if (devices[i].controller_data) | ||
386 | cs_pin = (unsigned long) devices[i].controller_data; | ||
387 | else if (devices[i].bus_num == 0) | ||
388 | cs_pin = spi0_standard_cs[devices[i].chip_select]; | ||
389 | else | ||
390 | cs_pin = spi1_standard_cs[devices[i].chip_select]; | ||
391 | |||
392 | if (devices[i].bus_num == 0) | ||
393 | enable_spi0 = 1; | ||
394 | else | ||
395 | enable_spi1 = 1; | ||
396 | |||
397 | /* enable chip-select pin */ | ||
398 | at91_set_gpio_output(cs_pin, 1); | ||
399 | |||
400 | /* pass chip-select pin to driver */ | ||
401 | devices[i].controller_data = (void *) cs_pin; | ||
402 | } | ||
403 | |||
404 | spi_register_board_info(devices, nr_devices); | ||
405 | |||
406 | /* Configure SPI bus(es) */ | ||
407 | if (enable_spi0) { | ||
408 | at91_set_A_periph(AT91_PIN_PA0, 0); /* SPI0_MISO */ | ||
409 | at91_set_A_periph(AT91_PIN_PA1, 0); /* SPI0_MOSI */ | ||
410 | at91_set_A_periph(AT91_PIN_PA2, 0); /* SPI0_SPCK */ | ||
411 | |||
412 | at91_clock_associate("spi0_clk", &at91sam9261_spi0_device.dev, "spi_clk"); | ||
413 | platform_device_register(&at91sam9261_spi0_device); | ||
414 | } | ||
415 | if (enable_spi1) { | ||
416 | at91_set_A_periph(AT91_PIN_PB30, 0); /* SPI1_MISO */ | ||
417 | at91_set_A_periph(AT91_PIN_PB31, 0); /* SPI1_MOSI */ | ||
418 | at91_set_A_periph(AT91_PIN_PB29, 0); /* SPI1_SPCK */ | ||
419 | |||
420 | at91_clock_associate("spi1_clk", &at91sam9261_spi1_device.dev, "spi_clk"); | ||
421 | platform_device_register(&at91sam9261_spi1_device); | ||
422 | } | ||
423 | } | ||
424 | #else | ||
425 | void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices) {} | ||
426 | #endif | ||
427 | |||
428 | |||
429 | /* -------------------------------------------------------------------- | ||
430 | * LCD Controller | ||
431 | * -------------------------------------------------------------------- */ | ||
432 | |||
433 | #if defined(CONFIG_FB_AT91) || defined(CONFIG_FB_AT91_MODULE) | ||
434 | static u64 lcdc_dmamask = 0xffffffffUL; | ||
435 | static struct at91fb_info lcdc_data; | ||
436 | |||
437 | static struct resource lcdc_resources[] = { | ||
438 | [0] = { | ||
439 | .start = AT91SAM9261_LCDC_BASE, | ||
440 | .end = AT91SAM9261_LCDC_BASE + SZ_4K - 1, | ||
441 | .flags = IORESOURCE_MEM, | ||
442 | }, | ||
443 | [1] = { | ||
444 | .start = AT91SAM9261_ID_LCDC, | ||
445 | .end = AT91SAM9261_ID_LCDC, | ||
446 | .flags = IORESOURCE_IRQ, | ||
447 | }, | ||
448 | #if defined(CONFIG_FB_INTSRAM) | ||
449 | [2] = { | ||
450 | .start = AT91SAM9261_SRAM_BASE, | ||
451 | .end = AT91SAM9261_SRAM_BASE + AT91SAM9261_SRAM_SIZE - 1, | ||
452 | .flags = IORESOURCE_MEM, | ||
453 | }, | ||
454 | #endif | ||
455 | }; | ||
456 | |||
457 | static struct platform_device at91_lcdc_device = { | ||
458 | .name = "at91-fb", | ||
459 | .id = 0, | ||
460 | .dev = { | ||
461 | .dma_mask = &lcdc_dmamask, | ||
462 | .coherent_dma_mask = 0xffffffff, | ||
463 | .platform_data = &lcdc_data, | ||
464 | }, | ||
465 | .resource = lcdc_resources, | ||
466 | .num_resources = ARRAY_SIZE(lcdc_resources), | ||
467 | }; | ||
468 | |||
469 | void __init at91_add_device_lcdc(struct at91fb_info *data) | ||
470 | { | ||
471 | if (!data) { | ||
472 | return; | ||
473 | } | ||
474 | |||
475 | at91_set_A_periph(AT91_PIN_PB1, 0); /* LCDHSYNC */ | ||
476 | at91_set_A_periph(AT91_PIN_PB2, 0); /* LCDDOTCK */ | ||
477 | at91_set_A_periph(AT91_PIN_PB3, 0); /* LCDDEN */ | ||
478 | at91_set_A_periph(AT91_PIN_PB4, 0); /* LCDCC */ | ||
479 | at91_set_A_periph(AT91_PIN_PB7, 0); /* LCDD2 */ | ||
480 | at91_set_A_periph(AT91_PIN_PB8, 0); /* LCDD3 */ | ||
481 | at91_set_A_periph(AT91_PIN_PB9, 0); /* LCDD4 */ | ||
482 | at91_set_A_periph(AT91_PIN_PB10, 0); /* LCDD5 */ | ||
483 | at91_set_A_periph(AT91_PIN_PB11, 0); /* LCDD6 */ | ||
484 | at91_set_A_periph(AT91_PIN_PB12, 0); /* LCDD7 */ | ||
485 | at91_set_A_periph(AT91_PIN_PB15, 0); /* LCDD10 */ | ||
486 | at91_set_A_periph(AT91_PIN_PB16, 0); /* LCDD11 */ | ||
487 | at91_set_A_periph(AT91_PIN_PB17, 0); /* LCDD12 */ | ||
488 | at91_set_A_periph(AT91_PIN_PB18, 0); /* LCDD13 */ | ||
489 | at91_set_A_periph(AT91_PIN_PB19, 0); /* LCDD14 */ | ||
490 | at91_set_A_periph(AT91_PIN_PB20, 0); /* LCDD15 */ | ||
491 | at91_set_B_periph(AT91_PIN_PB23, 0); /* LCDD18 */ | ||
492 | at91_set_B_periph(AT91_PIN_PB24, 0); /* LCDD19 */ | ||
493 | at91_set_B_periph(AT91_PIN_PB25, 0); /* LCDD20 */ | ||
494 | at91_set_B_periph(AT91_PIN_PB26, 0); /* LCDD21 */ | ||
495 | at91_set_B_periph(AT91_PIN_PB27, 0); /* LCDD22 */ | ||
496 | at91_set_B_periph(AT91_PIN_PB28, 0); /* LCDD23 */ | ||
497 | |||
498 | lcdc_data = *data; | ||
499 | platform_device_register(&at91_lcdc_device); | ||
500 | } | ||
501 | #else | ||
502 | void __init at91_add_device_lcdc(struct at91fb_info *data) {} | ||
503 | #endif | ||
504 | |||
505 | |||
506 | /* -------------------------------------------------------------------- | ||
507 | * LEDs | ||
508 | * -------------------------------------------------------------------- */ | ||
509 | |||
510 | #if defined(CONFIG_LEDS) | ||
511 | u8 at91_leds_cpu; | ||
512 | u8 at91_leds_timer; | ||
513 | |||
514 | void __init at91_init_leds(u8 cpu_led, u8 timer_led) | ||
515 | { | ||
516 | at91_leds_cpu = cpu_led; | ||
517 | at91_leds_timer = timer_led; | ||
518 | } | ||
519 | #else | ||
520 | void __init at91_init_leds(u8 cpu_led, u8 timer_led) {} | ||
521 | #endif | ||
522 | |||
523 | |||
524 | /* -------------------------------------------------------------------- | ||
525 | * UART | ||
526 | * -------------------------------------------------------------------- */ | ||
527 | |||
528 | #if defined(CONFIG_SERIAL_ATMEL) | ||
529 | static struct resource dbgu_resources[] = { | ||
530 | [0] = { | ||
531 | .start = AT91_VA_BASE_SYS + AT91_DBGU, | ||
532 | .end = AT91_VA_BASE_SYS + AT91_DBGU + SZ_512 - 1, | ||
533 | .flags = IORESOURCE_MEM, | ||
534 | }, | ||
535 | [1] = { | ||
536 | .start = AT91_ID_SYS, | ||
537 | .end = AT91_ID_SYS, | ||
538 | .flags = IORESOURCE_IRQ, | ||
539 | }, | ||
540 | }; | ||
541 | |||
542 | static struct atmel_uart_data dbgu_data = { | ||
543 | .use_dma_tx = 0, | ||
544 | .use_dma_rx = 0, /* DBGU not capable of receive DMA */ | ||
545 | .regs = (void __iomem *)(AT91_VA_BASE_SYS + AT91_DBGU), | ||
546 | }; | ||
547 | |||
548 | static struct platform_device at91sam9261_dbgu_device = { | ||
549 | .name = "atmel_usart", | ||
550 | .id = 0, | ||
551 | .dev = { | ||
552 | .platform_data = &dbgu_data, | ||
553 | .coherent_dma_mask = 0xffffffff, | ||
554 | }, | ||
555 | .resource = dbgu_resources, | ||
556 | .num_resources = ARRAY_SIZE(dbgu_resources), | ||
557 | }; | ||
558 | |||
559 | static inline void configure_dbgu_pins(void) | ||
560 | { | ||
561 | at91_set_A_periph(AT91_PIN_PA9, 0); /* DRXD */ | ||
562 | at91_set_A_periph(AT91_PIN_PA10, 1); /* DTXD */ | ||
563 | } | ||
564 | |||
565 | static struct resource uart0_resources[] = { | ||
566 | [0] = { | ||
567 | .start = AT91SAM9261_BASE_US0, | ||
568 | .end = AT91SAM9261_BASE_US0 + SZ_16K - 1, | ||
569 | .flags = IORESOURCE_MEM, | ||
570 | }, | ||
571 | [1] = { | ||
572 | .start = AT91SAM9261_ID_US0, | ||
573 | .end = AT91SAM9261_ID_US0, | ||
574 | .flags = IORESOURCE_IRQ, | ||
575 | }, | ||
576 | }; | ||
577 | |||
578 | static struct atmel_uart_data uart0_data = { | ||
579 | .use_dma_tx = 1, | ||
580 | .use_dma_rx = 1, | ||
581 | }; | ||
582 | |||
583 | static struct platform_device at91sam9261_uart0_device = { | ||
584 | .name = "atmel_usart", | ||
585 | .id = 1, | ||
586 | .dev = { | ||
587 | .platform_data = &uart0_data, | ||
588 | .coherent_dma_mask = 0xffffffff, | ||
589 | }, | ||
590 | .resource = uart0_resources, | ||
591 | .num_resources = ARRAY_SIZE(uart0_resources), | ||
592 | }; | ||
593 | |||
594 | static inline void configure_usart0_pins(void) | ||
595 | { | ||
596 | at91_set_A_periph(AT91_PIN_PC8, 1); /* TXD0 */ | ||
597 | at91_set_A_periph(AT91_PIN_PC9, 0); /* RXD0 */ | ||
598 | at91_set_A_periph(AT91_PIN_PC10, 0); /* RTS0 */ | ||
599 | at91_set_A_periph(AT91_PIN_PC11, 0); /* CTS0 */ | ||
600 | } | ||
601 | |||
602 | static struct resource uart1_resources[] = { | ||
603 | [0] = { | ||
604 | .start = AT91SAM9261_BASE_US1, | ||
605 | .end = AT91SAM9261_BASE_US1 + SZ_16K - 1, | ||
606 | .flags = IORESOURCE_MEM, | ||
607 | }, | ||
608 | [1] = { | ||
609 | .start = AT91SAM9261_ID_US1, | ||
610 | .end = AT91SAM9261_ID_US1, | ||
611 | .flags = IORESOURCE_IRQ, | ||
612 | }, | ||
613 | }; | ||
614 | |||
615 | static struct atmel_uart_data uart1_data = { | ||
616 | .use_dma_tx = 1, | ||
617 | .use_dma_rx = 1, | ||
618 | }; | ||
619 | |||
620 | static struct platform_device at91sam9261_uart1_device = { | ||
621 | .name = "atmel_usart", | ||
622 | .id = 2, | ||
623 | .dev = { | ||
624 | .platform_data = &uart1_data, | ||
625 | .coherent_dma_mask = 0xffffffff, | ||
626 | }, | ||
627 | .resource = uart1_resources, | ||
628 | .num_resources = ARRAY_SIZE(uart1_resources), | ||
629 | }; | ||
630 | |||
631 | static inline void configure_usart1_pins(void) | ||
632 | { | ||
633 | at91_set_A_periph(AT91_PIN_PC12, 1); /* TXD1 */ | ||
634 | at91_set_A_periph(AT91_PIN_PC13, 0); /* RXD1 */ | ||
635 | } | ||
636 | |||
637 | static struct resource uart2_resources[] = { | ||
638 | [0] = { | ||
639 | .start = AT91SAM9261_BASE_US2, | ||
640 | .end = AT91SAM9261_BASE_US2 + SZ_16K - 1, | ||
641 | .flags = IORESOURCE_MEM, | ||
642 | }, | ||
643 | [1] = { | ||
644 | .start = AT91SAM9261_ID_US2, | ||
645 | .end = AT91SAM9261_ID_US2, | ||
646 | .flags = IORESOURCE_IRQ, | ||
647 | }, | ||
648 | }; | ||
649 | |||
650 | static struct atmel_uart_data uart2_data = { | ||
651 | .use_dma_tx = 1, | ||
652 | .use_dma_rx = 1, | ||
653 | }; | ||
654 | |||
655 | static struct platform_device at91sam9261_uart2_device = { | ||
656 | .name = "atmel_usart", | ||
657 | .id = 3, | ||
658 | .dev = { | ||
659 | .platform_data = &uart2_data, | ||
660 | .coherent_dma_mask = 0xffffffff, | ||
661 | }, | ||
662 | .resource = uart2_resources, | ||
663 | .num_resources = ARRAY_SIZE(uart2_resources), | ||
664 | }; | ||
665 | |||
666 | static inline void configure_usart2_pins(void) | ||
667 | { | ||
668 | at91_set_A_periph(AT91_PIN_PC15, 0); /* RXD2 */ | ||
669 | at91_set_A_periph(AT91_PIN_PC14, 1); /* TXD2 */ | ||
670 | } | ||
671 | |||
672 | struct platform_device *at91_uarts[ATMEL_MAX_UART]; /* the UARTs to use */ | ||
673 | struct platform_device *atmel_default_console_device; /* the serial console device */ | ||
674 | |||
675 | void __init at91_init_serial(struct at91_uart_config *config) | ||
676 | { | ||
677 | int i; | ||
678 | |||
679 | /* Fill in list of supported UARTs */ | ||
680 | for (i = 0; i < config->nr_tty; i++) { | ||
681 | switch (config->tty_map[i]) { | ||
682 | case 0: | ||
683 | configure_usart0_pins(); | ||
684 | at91_uarts[i] = &at91sam9261_uart0_device; | ||
685 | at91_clock_associate("usart0_clk", &at91sam9261_uart0_device.dev, "usart"); | ||
686 | break; | ||
687 | case 1: | ||
688 | configure_usart1_pins(); | ||
689 | at91_uarts[i] = &at91sam9261_uart1_device; | ||
690 | at91_clock_associate("usart1_clk", &at91sam9261_uart1_device.dev, "usart"); | ||
691 | break; | ||
692 | case 2: | ||
693 | configure_usart2_pins(); | ||
694 | at91_uarts[i] = &at91sam9261_uart2_device; | ||
695 | at91_clock_associate("usart2_clk", &at91sam9261_uart2_device.dev, "usart"); | ||
696 | break; | ||
697 | case 3: | ||
698 | configure_dbgu_pins(); | ||
699 | at91_uarts[i] = &at91sam9261_dbgu_device; | ||
700 | at91_clock_associate("mck", &at91sam9261_dbgu_device.dev, "usart"); | ||
701 | break; | ||
702 | default: | ||
703 | continue; | ||
704 | } | ||
705 | at91_uarts[i]->id = i; /* update ID number to mapped ID */ | ||
706 | } | ||
707 | |||
708 | /* Set serial console device */ | ||
709 | if (config->console_tty < ATMEL_MAX_UART) | ||
710 | atmel_default_console_device = at91_uarts[config->console_tty]; | ||
711 | if (!atmel_default_console_device) | ||
712 | printk(KERN_INFO "AT91: No default serial console defined.\n"); | ||
713 | } | ||
714 | |||
715 | void __init at91_add_device_serial(void) | ||
716 | { | ||
717 | int i; | ||
718 | |||
719 | for (i = 0; i < ATMEL_MAX_UART; i++) { | ||
720 | if (at91_uarts[i]) | ||
721 | platform_device_register(at91_uarts[i]); | ||
722 | } | ||
723 | } | ||
724 | #else | ||
725 | void __init at91_init_serial(struct at91_uart_config *config) {} | ||
726 | void __init at91_add_device_serial(void) {} | ||
727 | #endif | ||
728 | |||
729 | |||
730 | /* -------------------------------------------------------------------- */ | ||
731 | |||
732 | /* | ||
733 | * These devices are always present and don't need any board-specific | ||
734 | * setup. | ||
735 | */ | ||
736 | static int __init at91_add_standard_devices(void) | ||
737 | { | ||
738 | return 0; | ||
739 | } | ||
740 | |||
741 | arch_initcall(at91_add_standard_devices); | ||