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789b23bc NF |
1 | /* |
2 | * On-Chip devices setup code for the AT91SAM9G45 family | |
3 | * | |
4 | * Copyright (C) 2009 Atmel Corporation. | |
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/dma-mapping.h> | |
16 | #include <linux/platform_device.h> | |
17 | #include <linux/i2c-gpio.h> | |
18 | ||
19 | #include <linux/fb.h> | |
20 | #include <video/atmel_lcdc.h> | |
21 | ||
22 | #include <mach/board.h> | |
23 | #include <mach/gpio.h> | |
24 | #include <mach/at91sam9g45.h> | |
25 | #include <mach/at91sam9g45_matrix.h> | |
26 | #include <mach/at91sam9_smc.h> | |
40262b2b | 27 | #include <mach/at_hdmac.h> |
789b23bc NF |
28 | |
29 | #include "generic.h" | |
30 | ||
31 | ||
40262b2b NF |
32 | /* -------------------------------------------------------------------- |
33 | * HDMAC - AHB DMA Controller | |
34 | * -------------------------------------------------------------------- */ | |
35 | ||
36 | #if defined(CONFIG_AT_HDMAC) || defined(CONFIG_AT_HDMAC_MODULE) | |
37 | static u64 hdmac_dmamask = DMA_BIT_MASK(32); | |
38 | ||
39 | static struct at_dma_platform_data atdma_pdata = { | |
40 | .nr_channels = 8, | |
41 | }; | |
42 | ||
43 | static struct resource hdmac_resources[] = { | |
44 | [0] = { | |
45 | .start = AT91_BASE_SYS + AT91_DMA, | |
46 | .end = AT91_BASE_SYS + AT91_DMA + SZ_512 - 1, | |
47 | .flags = IORESOURCE_MEM, | |
48 | }, | |
8d2602e0 | 49 | [1] = { |
40262b2b NF |
50 | .start = AT91SAM9G45_ID_DMA, |
51 | .end = AT91SAM9G45_ID_DMA, | |
52 | .flags = IORESOURCE_IRQ, | |
53 | }, | |
54 | }; | |
55 | ||
56 | static struct platform_device at_hdmac_device = { | |
57 | .name = "at_hdmac", | |
58 | .id = -1, | |
59 | .dev = { | |
60 | .dma_mask = &hdmac_dmamask, | |
61 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
62 | .platform_data = &atdma_pdata, | |
63 | }, | |
64 | .resource = hdmac_resources, | |
65 | .num_resources = ARRAY_SIZE(hdmac_resources), | |
66 | }; | |
67 | ||
68 | void __init at91_add_device_hdmac(void) | |
69 | { | |
70 | dma_cap_set(DMA_MEMCPY, atdma_pdata.cap_mask); | |
71 | dma_cap_set(DMA_SLAVE, atdma_pdata.cap_mask); | |
72 | platform_device_register(&at_hdmac_device); | |
73 | } | |
74 | #else | |
75 | void __init at91_add_device_hdmac(void) {} | |
76 | #endif | |
77 | ||
78 | ||
789b23bc NF |
79 | /* -------------------------------------------------------------------- |
80 | * USB Host (OHCI) | |
81 | * -------------------------------------------------------------------- */ | |
82 | ||
83 | #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) | |
84 | static u64 ohci_dmamask = DMA_BIT_MASK(32); | |
85 | static struct at91_usbh_data usbh_ohci_data; | |
86 | ||
87 | static struct resource usbh_ohci_resources[] = { | |
88 | [0] = { | |
89 | .start = AT91SAM9G45_OHCI_BASE, | |
90 | .end = AT91SAM9G45_OHCI_BASE + SZ_1M - 1, | |
91 | .flags = IORESOURCE_MEM, | |
92 | }, | |
93 | [1] = { | |
94 | .start = AT91SAM9G45_ID_UHPHS, | |
95 | .end = AT91SAM9G45_ID_UHPHS, | |
96 | .flags = IORESOURCE_IRQ, | |
97 | }, | |
98 | }; | |
99 | ||
100 | static struct platform_device at91_usbh_ohci_device = { | |
101 | .name = "at91_ohci", | |
102 | .id = -1, | |
103 | .dev = { | |
104 | .dma_mask = &ohci_dmamask, | |
105 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
106 | .platform_data = &usbh_ohci_data, | |
107 | }, | |
108 | .resource = usbh_ohci_resources, | |
109 | .num_resources = ARRAY_SIZE(usbh_ohci_resources), | |
110 | }; | |
111 | ||
112 | void __init at91_add_device_usbh_ohci(struct at91_usbh_data *data) | |
113 | { | |
114 | int i; | |
115 | ||
116 | if (!data) | |
117 | return; | |
118 | ||
119 | /* Enable VBus control for UHP ports */ | |
120 | for (i = 0; i < data->ports; i++) { | |
121 | if (data->vbus_pin[i]) | |
122 | at91_set_gpio_output(data->vbus_pin[i], 0); | |
123 | } | |
124 | ||
125 | usbh_ohci_data = *data; | |
126 | platform_device_register(&at91_usbh_ohci_device); | |
127 | } | |
128 | #else | |
129 | void __init at91_add_device_usbh_ohci(struct at91_usbh_data *data) {} | |
130 | #endif | |
131 | ||
132 | ||
f51f78c0 NF |
133 | /* -------------------------------------------------------------------- |
134 | * USB Host HS (EHCI) | |
135 | * Needs an OHCI host for low and full speed management | |
136 | * -------------------------------------------------------------------- */ | |
137 | ||
138 | #if defined(CONFIG_USB_EHCI_HCD) || defined(CONFIG_USB_EHCI_HCD_MODULE) | |
139 | static u64 ehci_dmamask = DMA_BIT_MASK(32); | |
140 | static struct at91_usbh_data usbh_ehci_data; | |
141 | ||
142 | static struct resource usbh_ehci_resources[] = { | |
143 | [0] = { | |
144 | .start = AT91SAM9G45_EHCI_BASE, | |
145 | .end = AT91SAM9G45_EHCI_BASE + SZ_1M - 1, | |
146 | .flags = IORESOURCE_MEM, | |
147 | }, | |
148 | [1] = { | |
149 | .start = AT91SAM9G45_ID_UHPHS, | |
150 | .end = AT91SAM9G45_ID_UHPHS, | |
151 | .flags = IORESOURCE_IRQ, | |
152 | }, | |
153 | }; | |
154 | ||
155 | static struct platform_device at91_usbh_ehci_device = { | |
156 | .name = "atmel-ehci", | |
157 | .id = -1, | |
158 | .dev = { | |
159 | .dma_mask = &ehci_dmamask, | |
160 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
161 | .platform_data = &usbh_ehci_data, | |
162 | }, | |
163 | .resource = usbh_ehci_resources, | |
164 | .num_resources = ARRAY_SIZE(usbh_ehci_resources), | |
165 | }; | |
166 | ||
167 | void __init at91_add_device_usbh_ehci(struct at91_usbh_data *data) | |
168 | { | |
169 | int i; | |
170 | ||
171 | if (!data) | |
172 | return; | |
173 | ||
174 | /* Enable VBus control for UHP ports */ | |
175 | for (i = 0; i < data->ports; i++) { | |
176 | if (data->vbus_pin[i]) | |
177 | at91_set_gpio_output(data->vbus_pin[i], 0); | |
178 | } | |
179 | ||
180 | usbh_ehci_data = *data; | |
181 | at91_clock_associate("uhphs_clk", &at91_usbh_ehci_device.dev, "ehci_clk"); | |
182 | platform_device_register(&at91_usbh_ehci_device); | |
183 | } | |
184 | #else | |
185 | void __init at91_add_device_usbh_ehci(struct at91_usbh_data *data) {} | |
186 | #endif | |
187 | ||
188 | ||
789b23bc NF |
189 | /* -------------------------------------------------------------------- |
190 | * USB HS Device (Gadget) | |
191 | * -------------------------------------------------------------------- */ | |
192 | ||
193 | #if defined(CONFIG_USB_GADGET_ATMEL_USBA) || defined(CONFIG_USB_GADGET_ATMEL_USBA_MODULE) | |
194 | static struct resource usba_udc_resources[] = { | |
195 | [0] = { | |
196 | .start = AT91SAM9G45_UDPHS_FIFO, | |
197 | .end = AT91SAM9G45_UDPHS_FIFO + SZ_512K - 1, | |
198 | .flags = IORESOURCE_MEM, | |
199 | }, | |
200 | [1] = { | |
201 | .start = AT91SAM9G45_BASE_UDPHS, | |
202 | .end = AT91SAM9G45_BASE_UDPHS + SZ_1K - 1, | |
203 | .flags = IORESOURCE_MEM, | |
204 | }, | |
205 | [2] = { | |
206 | .start = AT91SAM9G45_ID_UDPHS, | |
207 | .end = AT91SAM9G45_ID_UDPHS, | |
208 | .flags = IORESOURCE_IRQ, | |
209 | }, | |
210 | }; | |
211 | ||
212 | #define EP(nam, idx, maxpkt, maxbk, dma, isoc) \ | |
213 | [idx] = { \ | |
214 | .name = nam, \ | |
215 | .index = idx, \ | |
216 | .fifo_size = maxpkt, \ | |
217 | .nr_banks = maxbk, \ | |
218 | .can_dma = dma, \ | |
219 | .can_isoc = isoc, \ | |
220 | } | |
221 | ||
222 | static struct usba_ep_data usba_udc_ep[] __initdata = { | |
223 | EP("ep0", 0, 64, 1, 0, 0), | |
224 | EP("ep1", 1, 1024, 2, 1, 1), | |
225 | EP("ep2", 2, 1024, 2, 1, 1), | |
226 | EP("ep3", 3, 1024, 3, 1, 0), | |
227 | EP("ep4", 4, 1024, 3, 1, 0), | |
228 | EP("ep5", 5, 1024, 3, 1, 1), | |
229 | EP("ep6", 6, 1024, 3, 1, 1), | |
230 | }; | |
231 | ||
232 | #undef EP | |
233 | ||
234 | /* | |
235 | * pdata doesn't have room for any endpoints, so we need to | |
236 | * append room for the ones we need right after it. | |
237 | */ | |
238 | static struct { | |
239 | struct usba_platform_data pdata; | |
240 | struct usba_ep_data ep[7]; | |
241 | } usba_udc_data; | |
242 | ||
243 | static struct platform_device at91_usba_udc_device = { | |
244 | .name = "atmel_usba_udc", | |
245 | .id = -1, | |
246 | .dev = { | |
247 | .platform_data = &usba_udc_data.pdata, | |
248 | }, | |
249 | .resource = usba_udc_resources, | |
250 | .num_resources = ARRAY_SIZE(usba_udc_resources), | |
251 | }; | |
252 | ||
253 | void __init at91_add_device_usba(struct usba_platform_data *data) | |
254 | { | |
255 | usba_udc_data.pdata.vbus_pin = -EINVAL; | |
256 | usba_udc_data.pdata.num_ep = ARRAY_SIZE(usba_udc_ep); | |
257 | memcpy(usba_udc_data.ep, usba_udc_ep, sizeof(usba_udc_ep));; | |
258 | ||
259 | if (data && data->vbus_pin > 0) { | |
260 | at91_set_gpio_input(data->vbus_pin, 0); | |
261 | at91_set_deglitch(data->vbus_pin, 1); | |
262 | usba_udc_data.pdata.vbus_pin = data->vbus_pin; | |
263 | } | |
264 | ||
265 | /* Pullup pin is handled internally by USB device peripheral */ | |
266 | ||
267 | /* Clocks */ | |
268 | at91_clock_associate("utmi_clk", &at91_usba_udc_device.dev, "hclk"); | |
269 | at91_clock_associate("udphs_clk", &at91_usba_udc_device.dev, "pclk"); | |
270 | ||
271 | platform_device_register(&at91_usba_udc_device); | |
272 | } | |
273 | #else | |
274 | void __init at91_add_device_usba(struct usba_platform_data *data) {} | |
275 | #endif | |
276 | ||
277 | ||
278 | /* -------------------------------------------------------------------- | |
279 | * Ethernet | |
280 | * -------------------------------------------------------------------- */ | |
281 | ||
282 | #if defined(CONFIG_MACB) || defined(CONFIG_MACB_MODULE) | |
283 | static u64 eth_dmamask = DMA_BIT_MASK(32); | |
284 | static struct at91_eth_data eth_data; | |
285 | ||
286 | static struct resource eth_resources[] = { | |
287 | [0] = { | |
288 | .start = AT91SAM9G45_BASE_EMAC, | |
289 | .end = AT91SAM9G45_BASE_EMAC + SZ_16K - 1, | |
290 | .flags = IORESOURCE_MEM, | |
291 | }, | |
292 | [1] = { | |
293 | .start = AT91SAM9G45_ID_EMAC, | |
294 | .end = AT91SAM9G45_ID_EMAC, | |
295 | .flags = IORESOURCE_IRQ, | |
296 | }, | |
297 | }; | |
298 | ||
299 | static struct platform_device at91sam9g45_eth_device = { | |
300 | .name = "macb", | |
301 | .id = -1, | |
302 | .dev = { | |
303 | .dma_mask = ð_dmamask, | |
304 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
305 | .platform_data = ð_data, | |
306 | }, | |
307 | .resource = eth_resources, | |
308 | .num_resources = ARRAY_SIZE(eth_resources), | |
309 | }; | |
310 | ||
311 | void __init at91_add_device_eth(struct at91_eth_data *data) | |
312 | { | |
313 | if (!data) | |
314 | return; | |
315 | ||
316 | if (data->phy_irq_pin) { | |
317 | at91_set_gpio_input(data->phy_irq_pin, 0); | |
318 | at91_set_deglitch(data->phy_irq_pin, 1); | |
319 | } | |
320 | ||
321 | /* Pins used for MII and RMII */ | |
322 | at91_set_A_periph(AT91_PIN_PA17, 0); /* ETXCK_EREFCK */ | |
323 | at91_set_A_periph(AT91_PIN_PA15, 0); /* ERXDV */ | |
324 | at91_set_A_periph(AT91_PIN_PA12, 0); /* ERX0 */ | |
325 | at91_set_A_periph(AT91_PIN_PA13, 0); /* ERX1 */ | |
326 | at91_set_A_periph(AT91_PIN_PA16, 0); /* ERXER */ | |
327 | at91_set_A_periph(AT91_PIN_PA14, 0); /* ETXEN */ | |
328 | at91_set_A_periph(AT91_PIN_PA10, 0); /* ETX0 */ | |
329 | at91_set_A_periph(AT91_PIN_PA11, 0); /* ETX1 */ | |
330 | at91_set_A_periph(AT91_PIN_PA19, 0); /* EMDIO */ | |
331 | at91_set_A_periph(AT91_PIN_PA18, 0); /* EMDC */ | |
332 | ||
333 | if (!data->is_rmii) { | |
334 | at91_set_B_periph(AT91_PIN_PA29, 0); /* ECRS */ | |
335 | at91_set_B_periph(AT91_PIN_PA30, 0); /* ECOL */ | |
336 | at91_set_B_periph(AT91_PIN_PA8, 0); /* ERX2 */ | |
337 | at91_set_B_periph(AT91_PIN_PA9, 0); /* ERX3 */ | |
338 | at91_set_B_periph(AT91_PIN_PA28, 0); /* ERXCK */ | |
339 | at91_set_B_periph(AT91_PIN_PA6, 0); /* ETX2 */ | |
340 | at91_set_B_periph(AT91_PIN_PA7, 0); /* ETX3 */ | |
341 | at91_set_B_periph(AT91_PIN_PA27, 0); /* ETXER */ | |
342 | } | |
343 | ||
344 | eth_data = *data; | |
345 | platform_device_register(&at91sam9g45_eth_device); | |
346 | } | |
347 | #else | |
348 | void __init at91_add_device_eth(struct at91_eth_data *data) {} | |
349 | #endif | |
350 | ||
351 | ||
352 | /* -------------------------------------------------------------------- | |
353 | * NAND / SmartMedia | |
354 | * -------------------------------------------------------------------- */ | |
355 | ||
356 | #if defined(CONFIG_MTD_NAND_ATMEL) || defined(CONFIG_MTD_NAND_ATMEL_MODULE) | |
357 | static struct atmel_nand_data nand_data; | |
358 | ||
359 | #define NAND_BASE AT91_CHIPSELECT_3 | |
360 | ||
361 | static struct resource nand_resources[] = { | |
362 | [0] = { | |
363 | .start = NAND_BASE, | |
364 | .end = NAND_BASE + SZ_256M - 1, | |
365 | .flags = IORESOURCE_MEM, | |
366 | }, | |
367 | [1] = { | |
368 | .start = AT91_BASE_SYS + AT91_ECC, | |
369 | .end = AT91_BASE_SYS + AT91_ECC + SZ_512 - 1, | |
370 | .flags = IORESOURCE_MEM, | |
371 | } | |
372 | }; | |
373 | ||
374 | static struct platform_device at91sam9g45_nand_device = { | |
375 | .name = "atmel_nand", | |
376 | .id = -1, | |
377 | .dev = { | |
378 | .platform_data = &nand_data, | |
379 | }, | |
380 | .resource = nand_resources, | |
381 | .num_resources = ARRAY_SIZE(nand_resources), | |
382 | }; | |
383 | ||
384 | void __init at91_add_device_nand(struct atmel_nand_data *data) | |
385 | { | |
386 | unsigned long csa; | |
387 | ||
388 | if (!data) | |
389 | return; | |
390 | ||
391 | csa = at91_sys_read(AT91_MATRIX_EBICSA); | |
392 | at91_sys_write(AT91_MATRIX_EBICSA, csa | AT91_MATRIX_EBI_CS3A_SMC_SMARTMEDIA); | |
393 | ||
394 | /* enable pin */ | |
395 | if (data->enable_pin) | |
396 | at91_set_gpio_output(data->enable_pin, 1); | |
397 | ||
398 | /* ready/busy pin */ | |
399 | if (data->rdy_pin) | |
400 | at91_set_gpio_input(data->rdy_pin, 1); | |
401 | ||
402 | /* card detect pin */ | |
403 | if (data->det_pin) | |
404 | at91_set_gpio_input(data->det_pin, 1); | |
405 | ||
406 | nand_data = *data; | |
407 | platform_device_register(&at91sam9g45_nand_device); | |
408 | } | |
409 | #else | |
410 | void __init at91_add_device_nand(struct atmel_nand_data *data) {} | |
411 | #endif | |
412 | ||
413 | ||
414 | /* -------------------------------------------------------------------- | |
415 | * TWI (i2c) | |
416 | * -------------------------------------------------------------------- */ | |
417 | ||
418 | /* | |
419 | * Prefer the GPIO code since the TWI controller isn't robust | |
420 | * (gets overruns and underruns under load) and can only issue | |
421 | * repeated STARTs in one scenario (the driver doesn't yet handle them). | |
422 | */ | |
423 | #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE) | |
424 | static struct i2c_gpio_platform_data pdata_i2c0 = { | |
425 | .sda_pin = AT91_PIN_PA20, | |
426 | .sda_is_open_drain = 1, | |
427 | .scl_pin = AT91_PIN_PA21, | |
428 | .scl_is_open_drain = 1, | |
429 | .udelay = 2, /* ~100 kHz */ | |
430 | }; | |
431 | ||
432 | static struct platform_device at91sam9g45_twi0_device = { | |
433 | .name = "i2c-gpio", | |
434 | .id = 0, | |
435 | .dev.platform_data = &pdata_i2c0, | |
436 | }; | |
437 | ||
438 | static struct i2c_gpio_platform_data pdata_i2c1 = { | |
439 | .sda_pin = AT91_PIN_PB10, | |
440 | .sda_is_open_drain = 1, | |
441 | .scl_pin = AT91_PIN_PB11, | |
442 | .scl_is_open_drain = 1, | |
443 | .udelay = 2, /* ~100 kHz */ | |
444 | }; | |
445 | ||
446 | static struct platform_device at91sam9g45_twi1_device = { | |
447 | .name = "i2c-gpio", | |
448 | .id = 1, | |
449 | .dev.platform_data = &pdata_i2c1, | |
450 | }; | |
451 | ||
452 | void __init at91_add_device_i2c(short i2c_id, struct i2c_board_info *devices, int nr_devices) | |
453 | { | |
454 | i2c_register_board_info(i2c_id, devices, nr_devices); | |
455 | ||
456 | if (i2c_id == 0) { | |
457 | at91_set_GPIO_periph(AT91_PIN_PA20, 1); /* TWD (SDA) */ | |
458 | at91_set_multi_drive(AT91_PIN_PA20, 1); | |
459 | ||
460 | at91_set_GPIO_periph(AT91_PIN_PA21, 1); /* TWCK (SCL) */ | |
461 | at91_set_multi_drive(AT91_PIN_PA21, 1); | |
462 | ||
463 | platform_device_register(&at91sam9g45_twi0_device); | |
464 | } else { | |
465 | at91_set_GPIO_periph(AT91_PIN_PB10, 1); /* TWD (SDA) */ | |
466 | at91_set_multi_drive(AT91_PIN_PB10, 1); | |
467 | ||
468 | at91_set_GPIO_periph(AT91_PIN_PB11, 1); /* TWCK (SCL) */ | |
469 | at91_set_multi_drive(AT91_PIN_PB11, 1); | |
470 | ||
471 | platform_device_register(&at91sam9g45_twi1_device); | |
472 | } | |
473 | } | |
474 | ||
475 | #elif defined(CONFIG_I2C_AT91) || defined(CONFIG_I2C_AT91_MODULE) | |
476 | static struct resource twi0_resources[] = { | |
477 | [0] = { | |
478 | .start = AT91SAM9G45_BASE_TWI0, | |
479 | .end = AT91SAM9G45_BASE_TWI0 + SZ_16K - 1, | |
480 | .flags = IORESOURCE_MEM, | |
481 | }, | |
482 | [1] = { | |
483 | .start = AT91SAM9G45_ID_TWI0, | |
484 | .end = AT91SAM9G45_ID_TWI0, | |
485 | .flags = IORESOURCE_IRQ, | |
486 | }, | |
487 | }; | |
488 | ||
489 | static struct platform_device at91sam9g45_twi0_device = { | |
490 | .name = "at91_i2c", | |
491 | .id = 0, | |
492 | .resource = twi0_resources, | |
493 | .num_resources = ARRAY_SIZE(twi0_resources), | |
494 | }; | |
495 | ||
496 | static struct resource twi1_resources[] = { | |
497 | [0] = { | |
498 | .start = AT91SAM9G45_BASE_TWI1, | |
499 | .end = AT91SAM9G45_BASE_TWI1 + SZ_16K - 1, | |
500 | .flags = IORESOURCE_MEM, | |
501 | }, | |
502 | [1] = { | |
503 | .start = AT91SAM9G45_ID_TWI1, | |
504 | .end = AT91SAM9G45_ID_TWI1, | |
505 | .flags = IORESOURCE_IRQ, | |
506 | }, | |
507 | }; | |
508 | ||
509 | static struct platform_device at91sam9g45_twi1_device = { | |
510 | .name = "at91_i2c", | |
511 | .id = 1, | |
512 | .resource = twi1_resources, | |
513 | .num_resources = ARRAY_SIZE(twi1_resources), | |
514 | }; | |
515 | ||
516 | void __init at91_add_device_i2c(short i2c_id, struct i2c_board_info *devices, int nr_devices) | |
517 | { | |
518 | i2c_register_board_info(i2c_id, devices, nr_devices); | |
519 | ||
520 | /* pins used for TWI interface */ | |
521 | if (i2c_id == 0) { | |
522 | at91_set_A_periph(AT91_PIN_PA20, 0); /* TWD */ | |
523 | at91_set_multi_drive(AT91_PIN_PA20, 1); | |
524 | ||
525 | at91_set_A_periph(AT91_PIN_PA21, 0); /* TWCK */ | |
526 | at91_set_multi_drive(AT91_PIN_PA21, 1); | |
527 | ||
528 | platform_device_register(&at91sam9g45_twi0_device); | |
529 | } else { | |
530 | at91_set_A_periph(AT91_PIN_PB10, 0); /* TWD */ | |
531 | at91_set_multi_drive(AT91_PIN_PB10, 1); | |
532 | ||
533 | at91_set_A_periph(AT91_PIN_PB11, 0); /* TWCK */ | |
534 | at91_set_multi_drive(AT91_PIN_PB11, 1); | |
535 | ||
536 | platform_device_register(&at91sam9g45_twi1_device); | |
537 | } | |
538 | } | |
539 | #else | |
540 | void __init at91_add_device_i2c(short i2c_id, struct i2c_board_info *devices, int nr_devices) {} | |
541 | #endif | |
542 | ||
543 | ||
544 | /* -------------------------------------------------------------------- | |
545 | * SPI | |
546 | * -------------------------------------------------------------------- */ | |
547 | ||
548 | #if defined(CONFIG_SPI_ATMEL) || defined(CONFIG_SPI_ATMEL_MODULE) | |
549 | static u64 spi_dmamask = DMA_BIT_MASK(32); | |
550 | ||
551 | static struct resource spi0_resources[] = { | |
552 | [0] = { | |
553 | .start = AT91SAM9G45_BASE_SPI0, | |
554 | .end = AT91SAM9G45_BASE_SPI0 + SZ_16K - 1, | |
555 | .flags = IORESOURCE_MEM, | |
556 | }, | |
557 | [1] = { | |
558 | .start = AT91SAM9G45_ID_SPI0, | |
559 | .end = AT91SAM9G45_ID_SPI0, | |
560 | .flags = IORESOURCE_IRQ, | |
561 | }, | |
562 | }; | |
563 | ||
564 | static struct platform_device at91sam9g45_spi0_device = { | |
565 | .name = "atmel_spi", | |
566 | .id = 0, | |
567 | .dev = { | |
568 | .dma_mask = &spi_dmamask, | |
569 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
570 | }, | |
571 | .resource = spi0_resources, | |
572 | .num_resources = ARRAY_SIZE(spi0_resources), | |
573 | }; | |
574 | ||
575 | static const unsigned spi0_standard_cs[4] = { AT91_PIN_PB3, AT91_PIN_PB18, AT91_PIN_PB19, AT91_PIN_PD27 }; | |
576 | ||
577 | static struct resource spi1_resources[] = { | |
578 | [0] = { | |
579 | .start = AT91SAM9G45_BASE_SPI1, | |
580 | .end = AT91SAM9G45_BASE_SPI1 + SZ_16K - 1, | |
581 | .flags = IORESOURCE_MEM, | |
582 | }, | |
583 | [1] = { | |
584 | .start = AT91SAM9G45_ID_SPI1, | |
585 | .end = AT91SAM9G45_ID_SPI1, | |
586 | .flags = IORESOURCE_IRQ, | |
587 | }, | |
588 | }; | |
589 | ||
590 | static struct platform_device at91sam9g45_spi1_device = { | |
591 | .name = "atmel_spi", | |
592 | .id = 1, | |
593 | .dev = { | |
594 | .dma_mask = &spi_dmamask, | |
595 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
596 | }, | |
597 | .resource = spi1_resources, | |
598 | .num_resources = ARRAY_SIZE(spi1_resources), | |
599 | }; | |
600 | ||
601 | static const unsigned spi1_standard_cs[4] = { AT91_PIN_PB17, AT91_PIN_PD28, AT91_PIN_PD18, AT91_PIN_PD19 }; | |
602 | ||
603 | void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices) | |
604 | { | |
605 | int i; | |
606 | unsigned long cs_pin; | |
607 | short enable_spi0 = 0; | |
608 | short enable_spi1 = 0; | |
609 | ||
610 | /* Choose SPI chip-selects */ | |
611 | for (i = 0; i < nr_devices; i++) { | |
612 | if (devices[i].controller_data) | |
613 | cs_pin = (unsigned long) devices[i].controller_data; | |
614 | else if (devices[i].bus_num == 0) | |
615 | cs_pin = spi0_standard_cs[devices[i].chip_select]; | |
616 | else | |
617 | cs_pin = spi1_standard_cs[devices[i].chip_select]; | |
618 | ||
619 | if (devices[i].bus_num == 0) | |
620 | enable_spi0 = 1; | |
621 | else | |
622 | enable_spi1 = 1; | |
623 | ||
624 | /* enable chip-select pin */ | |
625 | at91_set_gpio_output(cs_pin, 1); | |
626 | ||
627 | /* pass chip-select pin to driver */ | |
628 | devices[i].controller_data = (void *) cs_pin; | |
629 | } | |
630 | ||
631 | spi_register_board_info(devices, nr_devices); | |
632 | ||
633 | /* Configure SPI bus(es) */ | |
634 | if (enable_spi0) { | |
635 | at91_set_A_periph(AT91_PIN_PB0, 0); /* SPI0_MISO */ | |
636 | at91_set_A_periph(AT91_PIN_PB1, 0); /* SPI0_MOSI */ | |
637 | at91_set_A_periph(AT91_PIN_PB2, 0); /* SPI0_SPCK */ | |
638 | ||
639 | at91_clock_associate("spi0_clk", &at91sam9g45_spi0_device.dev, "spi_clk"); | |
640 | platform_device_register(&at91sam9g45_spi0_device); | |
641 | } | |
642 | if (enable_spi1) { | |
643 | at91_set_A_periph(AT91_PIN_PB14, 0); /* SPI1_MISO */ | |
644 | at91_set_A_periph(AT91_PIN_PB15, 0); /* SPI1_MOSI */ | |
645 | at91_set_A_periph(AT91_PIN_PB16, 0); /* SPI1_SPCK */ | |
646 | ||
647 | at91_clock_associate("spi1_clk", &at91sam9g45_spi1_device.dev, "spi_clk"); | |
648 | platform_device_register(&at91sam9g45_spi1_device); | |
649 | } | |
650 | } | |
651 | #else | |
652 | void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices) {} | |
653 | #endif | |
654 | ||
655 | ||
378ac65e NF |
656 | /* -------------------------------------------------------------------- |
657 | * AC97 | |
658 | * -------------------------------------------------------------------- */ | |
659 | ||
660 | #if defined(CONFIG_SND_ATMEL_AC97C) || defined(CONFIG_SND_ATMEL_AC97C_MODULE) | |
661 | static u64 ac97_dmamask = DMA_BIT_MASK(32); | |
662 | static struct ac97c_platform_data ac97_data; | |
663 | ||
664 | static struct resource ac97_resources[] = { | |
665 | [0] = { | |
666 | .start = AT91SAM9G45_BASE_AC97C, | |
667 | .end = AT91SAM9G45_BASE_AC97C + SZ_16K - 1, | |
668 | .flags = IORESOURCE_MEM, | |
669 | }, | |
670 | [1] = { | |
671 | .start = AT91SAM9G45_ID_AC97C, | |
672 | .end = AT91SAM9G45_ID_AC97C, | |
673 | .flags = IORESOURCE_IRQ, | |
674 | }, | |
675 | }; | |
676 | ||
677 | static struct platform_device at91sam9g45_ac97_device = { | |
678 | .name = "atmel_ac97c", | |
679 | .id = 0, | |
680 | .dev = { | |
681 | .dma_mask = &ac97_dmamask, | |
682 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
683 | .platform_data = &ac97_data, | |
684 | }, | |
685 | .resource = ac97_resources, | |
686 | .num_resources = ARRAY_SIZE(ac97_resources), | |
687 | }; | |
688 | ||
689 | void __init at91_add_device_ac97(struct ac97c_platform_data *data) | |
690 | { | |
691 | if (!data) | |
692 | return; | |
693 | ||
694 | at91_set_A_periph(AT91_PIN_PD8, 0); /* AC97FS */ | |
695 | at91_set_A_periph(AT91_PIN_PD9, 0); /* AC97CK */ | |
696 | at91_set_A_periph(AT91_PIN_PD7, 0); /* AC97TX */ | |
697 | at91_set_A_periph(AT91_PIN_PD6, 0); /* AC97RX */ | |
698 | ||
699 | /* reset */ | |
700 | if (data->reset_pin) | |
701 | at91_set_gpio_output(data->reset_pin, 0); | |
702 | ||
703 | ac97_data = *data; | |
704 | platform_device_register(&at91sam9g45_ac97_device); | |
705 | } | |
706 | #else | |
707 | void __init at91_add_device_ac97(struct ac97c_platform_data *data) {} | |
708 | #endif | |
709 | ||
710 | ||
789b23bc NF |
711 | /* -------------------------------------------------------------------- |
712 | * LCD Controller | |
713 | * -------------------------------------------------------------------- */ | |
714 | ||
715 | #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE) | |
716 | static u64 lcdc_dmamask = DMA_BIT_MASK(32); | |
717 | static struct atmel_lcdfb_info lcdc_data; | |
718 | ||
719 | static struct resource lcdc_resources[] = { | |
720 | [0] = { | |
721 | .start = AT91SAM9G45_LCDC_BASE, | |
722 | .end = AT91SAM9G45_LCDC_BASE + SZ_4K - 1, | |
723 | .flags = IORESOURCE_MEM, | |
724 | }, | |
725 | [1] = { | |
726 | .start = AT91SAM9G45_ID_LCDC, | |
727 | .end = AT91SAM9G45_ID_LCDC, | |
728 | .flags = IORESOURCE_IRQ, | |
729 | }, | |
730 | }; | |
731 | ||
732 | static struct platform_device at91_lcdc_device = { | |
733 | .name = "atmel_lcdfb", | |
734 | .id = 0, | |
735 | .dev = { | |
736 | .dma_mask = &lcdc_dmamask, | |
737 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
738 | .platform_data = &lcdc_data, | |
739 | }, | |
740 | .resource = lcdc_resources, | |
741 | .num_resources = ARRAY_SIZE(lcdc_resources), | |
742 | }; | |
743 | ||
744 | void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data) | |
745 | { | |
746 | if (!data) | |
747 | return; | |
748 | ||
749 | at91_set_A_periph(AT91_PIN_PE0, 0); /* LCDDPWR */ | |
750 | ||
751 | at91_set_A_periph(AT91_PIN_PE2, 0); /* LCDCC */ | |
752 | at91_set_A_periph(AT91_PIN_PE3, 0); /* LCDVSYNC */ | |
753 | at91_set_A_periph(AT91_PIN_PE4, 0); /* LCDHSYNC */ | |
754 | at91_set_A_periph(AT91_PIN_PE5, 0); /* LCDDOTCK */ | |
755 | at91_set_A_periph(AT91_PIN_PE6, 0); /* LCDDEN */ | |
756 | at91_set_A_periph(AT91_PIN_PE7, 0); /* LCDD0 */ | |
757 | at91_set_A_periph(AT91_PIN_PE8, 0); /* LCDD1 */ | |
758 | at91_set_A_periph(AT91_PIN_PE9, 0); /* LCDD2 */ | |
759 | at91_set_A_periph(AT91_PIN_PE10, 0); /* LCDD3 */ | |
760 | at91_set_A_periph(AT91_PIN_PE11, 0); /* LCDD4 */ | |
761 | at91_set_A_periph(AT91_PIN_PE12, 0); /* LCDD5 */ | |
762 | at91_set_A_periph(AT91_PIN_PE13, 0); /* LCDD6 */ | |
763 | at91_set_A_periph(AT91_PIN_PE14, 0); /* LCDD7 */ | |
764 | at91_set_A_periph(AT91_PIN_PE15, 0); /* LCDD8 */ | |
765 | at91_set_A_periph(AT91_PIN_PE16, 0); /* LCDD9 */ | |
766 | at91_set_A_periph(AT91_PIN_PE17, 0); /* LCDD10 */ | |
767 | at91_set_A_periph(AT91_PIN_PE18, 0); /* LCDD11 */ | |
768 | at91_set_A_periph(AT91_PIN_PE19, 0); /* LCDD12 */ | |
769 | at91_set_A_periph(AT91_PIN_PE20, 0); /* LCDD13 */ | |
770 | at91_set_A_periph(AT91_PIN_PE21, 0); /* LCDD14 */ | |
771 | at91_set_A_periph(AT91_PIN_PE22, 0); /* LCDD15 */ | |
772 | at91_set_A_periph(AT91_PIN_PE23, 0); /* LCDD16 */ | |
773 | at91_set_A_periph(AT91_PIN_PE24, 0); /* LCDD17 */ | |
774 | at91_set_A_periph(AT91_PIN_PE25, 0); /* LCDD18 */ | |
775 | at91_set_A_periph(AT91_PIN_PE26, 0); /* LCDD19 */ | |
776 | at91_set_A_periph(AT91_PIN_PE27, 0); /* LCDD20 */ | |
777 | at91_set_A_periph(AT91_PIN_PE28, 0); /* LCDD21 */ | |
778 | at91_set_A_periph(AT91_PIN_PE29, 0); /* LCDD22 */ | |
779 | at91_set_A_periph(AT91_PIN_PE30, 0); /* LCDD23 */ | |
780 | ||
781 | lcdc_data = *data; | |
782 | platform_device_register(&at91_lcdc_device); | |
783 | } | |
784 | #else | |
785 | void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data) {} | |
786 | #endif | |
787 | ||
788 | ||
789 | /* -------------------------------------------------------------------- | |
790 | * Timer/Counter block | |
791 | * -------------------------------------------------------------------- */ | |
792 | ||
793 | #ifdef CONFIG_ATMEL_TCLIB | |
794 | static struct resource tcb0_resources[] = { | |
795 | [0] = { | |
796 | .start = AT91SAM9G45_BASE_TCB0, | |
797 | .end = AT91SAM9G45_BASE_TCB0 + SZ_16K - 1, | |
798 | .flags = IORESOURCE_MEM, | |
799 | }, | |
800 | [1] = { | |
801 | .start = AT91SAM9G45_ID_TCB, | |
802 | .end = AT91SAM9G45_ID_TCB, | |
803 | .flags = IORESOURCE_IRQ, | |
804 | }, | |
805 | }; | |
806 | ||
807 | static struct platform_device at91sam9g45_tcb0_device = { | |
808 | .name = "atmel_tcb", | |
809 | .id = 0, | |
810 | .resource = tcb0_resources, | |
811 | .num_resources = ARRAY_SIZE(tcb0_resources), | |
812 | }; | |
813 | ||
814 | /* TCB1 begins with TC3 */ | |
815 | static struct resource tcb1_resources[] = { | |
816 | [0] = { | |
817 | .start = AT91SAM9G45_BASE_TCB1, | |
818 | .end = AT91SAM9G45_BASE_TCB1 + SZ_16K - 1, | |
819 | .flags = IORESOURCE_MEM, | |
820 | }, | |
821 | [1] = { | |
822 | .start = AT91SAM9G45_ID_TCB, | |
823 | .end = AT91SAM9G45_ID_TCB, | |
824 | .flags = IORESOURCE_IRQ, | |
825 | }, | |
826 | }; | |
827 | ||
828 | static struct platform_device at91sam9g45_tcb1_device = { | |
829 | .name = "atmel_tcb", | |
830 | .id = 1, | |
831 | .resource = tcb1_resources, | |
832 | .num_resources = ARRAY_SIZE(tcb1_resources), | |
833 | }; | |
834 | ||
835 | static void __init at91_add_device_tc(void) | |
836 | { | |
837 | /* this chip has one clock and irq for all six TC channels */ | |
ab64511c | 838 | at91_clock_associate("tcb0_clk", &at91sam9g45_tcb0_device.dev, "t0_clk"); |
789b23bc | 839 | platform_device_register(&at91sam9g45_tcb0_device); |
ab64511c | 840 | at91_clock_associate("tcb1_clk", &at91sam9g45_tcb1_device.dev, "t0_clk"); |
789b23bc NF |
841 | platform_device_register(&at91sam9g45_tcb1_device); |
842 | } | |
843 | #else | |
844 | static void __init at91_add_device_tc(void) { } | |
845 | #endif | |
846 | ||
847 | ||
848 | /* -------------------------------------------------------------------- | |
849 | * RTC | |
850 | * -------------------------------------------------------------------- */ | |
851 | ||
852 | #if defined(CONFIG_RTC_DRV_AT91RM9200) || defined(CONFIG_RTC_DRV_AT91RM9200_MODULE) | |
853 | static struct platform_device at91sam9g45_rtc_device = { | |
854 | .name = "at91_rtc", | |
855 | .id = -1, | |
856 | .num_resources = 0, | |
857 | }; | |
858 | ||
859 | static void __init at91_add_device_rtc(void) | |
860 | { | |
861 | platform_device_register(&at91sam9g45_rtc_device); | |
862 | } | |
863 | #else | |
864 | static void __init at91_add_device_rtc(void) {} | |
865 | #endif | |
866 | ||
867 | ||
985f37f8 NF |
868 | /* -------------------------------------------------------------------- |
869 | * Touchscreen | |
870 | * -------------------------------------------------------------------- */ | |
871 | ||
872 | #if defined(CONFIG_TOUCHSCREEN_ATMEL_TSADCC) || defined(CONFIG_TOUCHSCREEN_ATMEL_TSADCC_MODULE) | |
873 | static u64 tsadcc_dmamask = DMA_BIT_MASK(32); | |
874 | static struct at91_tsadcc_data tsadcc_data; | |
875 | ||
876 | static struct resource tsadcc_resources[] = { | |
877 | [0] = { | |
878 | .start = AT91SAM9G45_BASE_TSC, | |
879 | .end = AT91SAM9G45_BASE_TSC + SZ_16K - 1, | |
880 | .flags = IORESOURCE_MEM, | |
881 | }, | |
882 | [1] = { | |
883 | .start = AT91SAM9G45_ID_TSC, | |
884 | .end = AT91SAM9G45_ID_TSC, | |
885 | .flags = IORESOURCE_IRQ, | |
886 | } | |
887 | }; | |
888 | ||
889 | static struct platform_device at91sam9g45_tsadcc_device = { | |
890 | .name = "atmel_tsadcc", | |
891 | .id = -1, | |
892 | .dev = { | |
893 | .dma_mask = &tsadcc_dmamask, | |
894 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
895 | .platform_data = &tsadcc_data, | |
896 | }, | |
897 | .resource = tsadcc_resources, | |
898 | .num_resources = ARRAY_SIZE(tsadcc_resources), | |
899 | }; | |
900 | ||
901 | void __init at91_add_device_tsadcc(struct at91_tsadcc_data *data) | |
902 | { | |
903 | if (!data) | |
904 | return; | |
905 | ||
906 | at91_set_gpio_input(AT91_PIN_PD20, 0); /* AD0_XR */ | |
907 | at91_set_gpio_input(AT91_PIN_PD21, 0); /* AD1_XL */ | |
908 | at91_set_gpio_input(AT91_PIN_PD22, 0); /* AD2_YT */ | |
909 | at91_set_gpio_input(AT91_PIN_PD23, 0); /* AD3_TB */ | |
910 | ||
911 | tsadcc_data = *data; | |
912 | platform_device_register(&at91sam9g45_tsadcc_device); | |
913 | } | |
914 | #else | |
915 | void __init at91_add_device_tsadcc(struct at91_tsadcc_data *data) {} | |
916 | #endif | |
917 | ||
918 | ||
789b23bc NF |
919 | /* -------------------------------------------------------------------- |
920 | * RTT | |
921 | * -------------------------------------------------------------------- */ | |
922 | ||
923 | static struct resource rtt_resources[] = { | |
924 | { | |
925 | .start = AT91_BASE_SYS + AT91_RTT, | |
926 | .end = AT91_BASE_SYS + AT91_RTT + SZ_16 - 1, | |
927 | .flags = IORESOURCE_MEM, | |
928 | } | |
929 | }; | |
930 | ||
931 | static struct platform_device at91sam9g45_rtt_device = { | |
932 | .name = "at91_rtt", | |
933 | .id = 0, | |
934 | .resource = rtt_resources, | |
935 | .num_resources = ARRAY_SIZE(rtt_resources), | |
936 | }; | |
937 | ||
938 | static void __init at91_add_device_rtt(void) | |
939 | { | |
940 | platform_device_register(&at91sam9g45_rtt_device); | |
941 | } | |
942 | ||
943 | ||
944 | /* -------------------------------------------------------------------- | |
945 | * Watchdog | |
946 | * -------------------------------------------------------------------- */ | |
947 | ||
4726374f | 948 | #if defined(CONFIG_AT91SAM9X_WATCHDOG) || defined(CONFIG_AT91SAM9X_WATCHDOG_MODULE) |
789b23bc NF |
949 | static struct platform_device at91sam9g45_wdt_device = { |
950 | .name = "at91_wdt", | |
951 | .id = -1, | |
952 | .num_resources = 0, | |
953 | }; | |
954 | ||
955 | static void __init at91_add_device_watchdog(void) | |
956 | { | |
957 | platform_device_register(&at91sam9g45_wdt_device); | |
958 | } | |
959 | #else | |
960 | static void __init at91_add_device_watchdog(void) {} | |
961 | #endif | |
962 | ||
963 | ||
964 | /* -------------------------------------------------------------------- | |
965 | * PWM | |
966 | * --------------------------------------------------------------------*/ | |
967 | ||
968 | #if defined(CONFIG_ATMEL_PWM) || defined(CONFIG_ATMEL_PWM_MODULE) | |
969 | static u32 pwm_mask; | |
970 | ||
971 | static struct resource pwm_resources[] = { | |
972 | [0] = { | |
973 | .start = AT91SAM9G45_BASE_PWMC, | |
974 | .end = AT91SAM9G45_BASE_PWMC + SZ_16K - 1, | |
975 | .flags = IORESOURCE_MEM, | |
976 | }, | |
977 | [1] = { | |
978 | .start = AT91SAM9G45_ID_PWMC, | |
979 | .end = AT91SAM9G45_ID_PWMC, | |
980 | .flags = IORESOURCE_IRQ, | |
981 | }, | |
982 | }; | |
983 | ||
984 | static struct platform_device at91sam9g45_pwm0_device = { | |
985 | .name = "atmel_pwm", | |
986 | .id = -1, | |
987 | .dev = { | |
988 | .platform_data = &pwm_mask, | |
989 | }, | |
990 | .resource = pwm_resources, | |
991 | .num_resources = ARRAY_SIZE(pwm_resources), | |
992 | }; | |
993 | ||
994 | void __init at91_add_device_pwm(u32 mask) | |
995 | { | |
996 | if (mask & (1 << AT91_PWM0)) | |
997 | at91_set_B_periph(AT91_PIN_PD24, 1); /* enable PWM0 */ | |
998 | ||
999 | if (mask & (1 << AT91_PWM1)) | |
1000 | at91_set_B_periph(AT91_PIN_PD31, 1); /* enable PWM1 */ | |
1001 | ||
1002 | if (mask & (1 << AT91_PWM2)) | |
1003 | at91_set_B_periph(AT91_PIN_PD26, 1); /* enable PWM2 */ | |
1004 | ||
1005 | if (mask & (1 << AT91_PWM3)) | |
1006 | at91_set_B_periph(AT91_PIN_PD0, 1); /* enable PWM3 */ | |
1007 | ||
1008 | pwm_mask = mask; | |
1009 | ||
1010 | platform_device_register(&at91sam9g45_pwm0_device); | |
1011 | } | |
1012 | #else | |
1013 | void __init at91_add_device_pwm(u32 mask) {} | |
1014 | #endif | |
1015 | ||
1016 | ||
1017 | /* -------------------------------------------------------------------- | |
1018 | * SSC -- Synchronous Serial Controller | |
1019 | * -------------------------------------------------------------------- */ | |
1020 | ||
1021 | #if defined(CONFIG_ATMEL_SSC) || defined(CONFIG_ATMEL_SSC_MODULE) | |
1022 | static u64 ssc0_dmamask = DMA_BIT_MASK(32); | |
1023 | ||
1024 | static struct resource ssc0_resources[] = { | |
1025 | [0] = { | |
1026 | .start = AT91SAM9G45_BASE_SSC0, | |
1027 | .end = AT91SAM9G45_BASE_SSC0 + SZ_16K - 1, | |
1028 | .flags = IORESOURCE_MEM, | |
1029 | }, | |
1030 | [1] = { | |
1031 | .start = AT91SAM9G45_ID_SSC0, | |
1032 | .end = AT91SAM9G45_ID_SSC0, | |
1033 | .flags = IORESOURCE_IRQ, | |
1034 | }, | |
1035 | }; | |
1036 | ||
1037 | static struct platform_device at91sam9g45_ssc0_device = { | |
1038 | .name = "ssc", | |
1039 | .id = 0, | |
1040 | .dev = { | |
1041 | .dma_mask = &ssc0_dmamask, | |
1042 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
1043 | }, | |
1044 | .resource = ssc0_resources, | |
1045 | .num_resources = ARRAY_SIZE(ssc0_resources), | |
1046 | }; | |
1047 | ||
1048 | static inline void configure_ssc0_pins(unsigned pins) | |
1049 | { | |
1050 | if (pins & ATMEL_SSC_TF) | |
1051 | at91_set_A_periph(AT91_PIN_PD1, 1); | |
1052 | if (pins & ATMEL_SSC_TK) | |
1053 | at91_set_A_periph(AT91_PIN_PD0, 1); | |
1054 | if (pins & ATMEL_SSC_TD) | |
1055 | at91_set_A_periph(AT91_PIN_PD2, 1); | |
1056 | if (pins & ATMEL_SSC_RD) | |
1057 | at91_set_A_periph(AT91_PIN_PD3, 1); | |
1058 | if (pins & ATMEL_SSC_RK) | |
1059 | at91_set_A_periph(AT91_PIN_PD4, 1); | |
1060 | if (pins & ATMEL_SSC_RF) | |
1061 | at91_set_A_periph(AT91_PIN_PD5, 1); | |
1062 | } | |
1063 | ||
1064 | static u64 ssc1_dmamask = DMA_BIT_MASK(32); | |
1065 | ||
1066 | static struct resource ssc1_resources[] = { | |
1067 | [0] = { | |
1068 | .start = AT91SAM9G45_BASE_SSC1, | |
1069 | .end = AT91SAM9G45_BASE_SSC1 + SZ_16K - 1, | |
1070 | .flags = IORESOURCE_MEM, | |
1071 | }, | |
1072 | [1] = { | |
1073 | .start = AT91SAM9G45_ID_SSC1, | |
1074 | .end = AT91SAM9G45_ID_SSC1, | |
1075 | .flags = IORESOURCE_IRQ, | |
1076 | }, | |
1077 | }; | |
1078 | ||
1079 | static struct platform_device at91sam9g45_ssc1_device = { | |
1080 | .name = "ssc", | |
1081 | .id = 1, | |
1082 | .dev = { | |
1083 | .dma_mask = &ssc1_dmamask, | |
1084 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
1085 | }, | |
1086 | .resource = ssc1_resources, | |
1087 | .num_resources = ARRAY_SIZE(ssc1_resources), | |
1088 | }; | |
1089 | ||
1090 | static inline void configure_ssc1_pins(unsigned pins) | |
1091 | { | |
1092 | if (pins & ATMEL_SSC_TF) | |
1093 | at91_set_A_periph(AT91_PIN_PD14, 1); | |
1094 | if (pins & ATMEL_SSC_TK) | |
1095 | at91_set_A_periph(AT91_PIN_PD12, 1); | |
1096 | if (pins & ATMEL_SSC_TD) | |
1097 | at91_set_A_periph(AT91_PIN_PD10, 1); | |
1098 | if (pins & ATMEL_SSC_RD) | |
1099 | at91_set_A_periph(AT91_PIN_PD11, 1); | |
1100 | if (pins & ATMEL_SSC_RK) | |
1101 | at91_set_A_periph(AT91_PIN_PD13, 1); | |
1102 | if (pins & ATMEL_SSC_RF) | |
1103 | at91_set_A_periph(AT91_PIN_PD15, 1); | |
1104 | } | |
1105 | ||
1106 | /* | |
1107 | * SSC controllers are accessed through library code, instead of any | |
1108 | * kind of all-singing/all-dancing driver. For example one could be | |
1109 | * used by a particular I2S audio codec's driver, while another one | |
1110 | * on the same system might be used by a custom data capture driver. | |
1111 | */ | |
1112 | void __init at91_add_device_ssc(unsigned id, unsigned pins) | |
1113 | { | |
1114 | struct platform_device *pdev; | |
1115 | ||
1116 | /* | |
1117 | * NOTE: caller is responsible for passing information matching | |
1118 | * "pins" to whatever will be using each particular controller. | |
1119 | */ | |
1120 | switch (id) { | |
1121 | case AT91SAM9G45_ID_SSC0: | |
1122 | pdev = &at91sam9g45_ssc0_device; | |
1123 | configure_ssc0_pins(pins); | |
1124 | at91_clock_associate("ssc0_clk", &pdev->dev, "pclk"); | |
1125 | break; | |
1126 | case AT91SAM9G45_ID_SSC1: | |
1127 | pdev = &at91sam9g45_ssc1_device; | |
1128 | configure_ssc1_pins(pins); | |
1129 | at91_clock_associate("ssc1_clk", &pdev->dev, "pclk"); | |
1130 | break; | |
1131 | default: | |
1132 | return; | |
1133 | } | |
1134 | ||
1135 | platform_device_register(pdev); | |
1136 | } | |
1137 | ||
1138 | #else | |
1139 | void __init at91_add_device_ssc(unsigned id, unsigned pins) {} | |
1140 | #endif | |
1141 | ||
1142 | ||
1143 | /* -------------------------------------------------------------------- | |
1144 | * UART | |
1145 | * -------------------------------------------------------------------- */ | |
1146 | ||
1147 | #if defined(CONFIG_SERIAL_ATMEL) | |
1148 | static struct resource dbgu_resources[] = { | |
1149 | [0] = { | |
1150 | .start = AT91_VA_BASE_SYS + AT91_DBGU, | |
1151 | .end = AT91_VA_BASE_SYS + AT91_DBGU + SZ_512 - 1, | |
1152 | .flags = IORESOURCE_MEM, | |
1153 | }, | |
1154 | [1] = { | |
1155 | .start = AT91_ID_SYS, | |
1156 | .end = AT91_ID_SYS, | |
1157 | .flags = IORESOURCE_IRQ, | |
1158 | }, | |
1159 | }; | |
1160 | ||
1161 | static struct atmel_uart_data dbgu_data = { | |
1162 | .use_dma_tx = 0, | |
1163 | .use_dma_rx = 0, | |
1164 | .regs = (void __iomem *)(AT91_VA_BASE_SYS + AT91_DBGU), | |
1165 | }; | |
1166 | ||
1167 | static u64 dbgu_dmamask = DMA_BIT_MASK(32); | |
1168 | ||
1169 | static struct platform_device at91sam9g45_dbgu_device = { | |
1170 | .name = "atmel_usart", | |
1171 | .id = 0, | |
1172 | .dev = { | |
1173 | .dma_mask = &dbgu_dmamask, | |
1174 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
1175 | .platform_data = &dbgu_data, | |
1176 | }, | |
1177 | .resource = dbgu_resources, | |
1178 | .num_resources = ARRAY_SIZE(dbgu_resources), | |
1179 | }; | |
1180 | ||
1181 | static inline void configure_dbgu_pins(void) | |
1182 | { | |
1183 | at91_set_A_periph(AT91_PIN_PB12, 0); /* DRXD */ | |
1184 | at91_set_A_periph(AT91_PIN_PB13, 1); /* DTXD */ | |
1185 | } | |
1186 | ||
1187 | static struct resource uart0_resources[] = { | |
1188 | [0] = { | |
1189 | .start = AT91SAM9G45_BASE_US0, | |
1190 | .end = AT91SAM9G45_BASE_US0 + SZ_16K - 1, | |
1191 | .flags = IORESOURCE_MEM, | |
1192 | }, | |
1193 | [1] = { | |
1194 | .start = AT91SAM9G45_ID_US0, | |
1195 | .end = AT91SAM9G45_ID_US0, | |
1196 | .flags = IORESOURCE_IRQ, | |
1197 | }, | |
1198 | }; | |
1199 | ||
1200 | static struct atmel_uart_data uart0_data = { | |
1201 | .use_dma_tx = 1, | |
1202 | .use_dma_rx = 1, | |
1203 | }; | |
1204 | ||
1205 | static u64 uart0_dmamask = DMA_BIT_MASK(32); | |
1206 | ||
1207 | static struct platform_device at91sam9g45_uart0_device = { | |
1208 | .name = "atmel_usart", | |
1209 | .id = 1, | |
1210 | .dev = { | |
1211 | .dma_mask = &uart0_dmamask, | |
1212 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
1213 | .platform_data = &uart0_data, | |
1214 | }, | |
1215 | .resource = uart0_resources, | |
1216 | .num_resources = ARRAY_SIZE(uart0_resources), | |
1217 | }; | |
1218 | ||
1219 | static inline void configure_usart0_pins(unsigned pins) | |
1220 | { | |
1221 | at91_set_A_periph(AT91_PIN_PB19, 1); /* TXD0 */ | |
1222 | at91_set_A_periph(AT91_PIN_PB18, 0); /* RXD0 */ | |
1223 | ||
1224 | if (pins & ATMEL_UART_RTS) | |
1225 | at91_set_B_periph(AT91_PIN_PB17, 0); /* RTS0 */ | |
1226 | if (pins & ATMEL_UART_CTS) | |
1227 | at91_set_B_periph(AT91_PIN_PB15, 0); /* CTS0 */ | |
1228 | } | |
1229 | ||
1230 | static struct resource uart1_resources[] = { | |
1231 | [0] = { | |
1232 | .start = AT91SAM9G45_BASE_US1, | |
1233 | .end = AT91SAM9G45_BASE_US1 + SZ_16K - 1, | |
1234 | .flags = IORESOURCE_MEM, | |
1235 | }, | |
1236 | [1] = { | |
1237 | .start = AT91SAM9G45_ID_US1, | |
1238 | .end = AT91SAM9G45_ID_US1, | |
1239 | .flags = IORESOURCE_IRQ, | |
1240 | }, | |
1241 | }; | |
1242 | ||
1243 | static struct atmel_uart_data uart1_data = { | |
1244 | .use_dma_tx = 1, | |
1245 | .use_dma_rx = 1, | |
1246 | }; | |
1247 | ||
1248 | static u64 uart1_dmamask = DMA_BIT_MASK(32); | |
1249 | ||
1250 | static struct platform_device at91sam9g45_uart1_device = { | |
1251 | .name = "atmel_usart", | |
1252 | .id = 2, | |
1253 | .dev = { | |
1254 | .dma_mask = &uart1_dmamask, | |
1255 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
1256 | .platform_data = &uart1_data, | |
1257 | }, | |
1258 | .resource = uart1_resources, | |
1259 | .num_resources = ARRAY_SIZE(uart1_resources), | |
1260 | }; | |
1261 | ||
1262 | static inline void configure_usart1_pins(unsigned pins) | |
1263 | { | |
1264 | at91_set_A_periph(AT91_PIN_PB4, 1); /* TXD1 */ | |
1265 | at91_set_A_periph(AT91_PIN_PB5, 0); /* RXD1 */ | |
1266 | ||
1267 | if (pins & ATMEL_UART_RTS) | |
1268 | at91_set_A_periph(AT91_PIN_PD16, 0); /* RTS1 */ | |
1269 | if (pins & ATMEL_UART_CTS) | |
1270 | at91_set_A_periph(AT91_PIN_PD17, 0); /* CTS1 */ | |
1271 | } | |
1272 | ||
1273 | static struct resource uart2_resources[] = { | |
1274 | [0] = { | |
1275 | .start = AT91SAM9G45_BASE_US2, | |
1276 | .end = AT91SAM9G45_BASE_US2 + SZ_16K - 1, | |
1277 | .flags = IORESOURCE_MEM, | |
1278 | }, | |
1279 | [1] = { | |
1280 | .start = AT91SAM9G45_ID_US2, | |
1281 | .end = AT91SAM9G45_ID_US2, | |
1282 | .flags = IORESOURCE_IRQ, | |
1283 | }, | |
1284 | }; | |
1285 | ||
1286 | static struct atmel_uart_data uart2_data = { | |
1287 | .use_dma_tx = 1, | |
1288 | .use_dma_rx = 1, | |
1289 | }; | |
1290 | ||
1291 | static u64 uart2_dmamask = DMA_BIT_MASK(32); | |
1292 | ||
1293 | static struct platform_device at91sam9g45_uart2_device = { | |
1294 | .name = "atmel_usart", | |
1295 | .id = 3, | |
1296 | .dev = { | |
1297 | .dma_mask = &uart2_dmamask, | |
1298 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
1299 | .platform_data = &uart2_data, | |
1300 | }, | |
1301 | .resource = uart2_resources, | |
1302 | .num_resources = ARRAY_SIZE(uart2_resources), | |
1303 | }; | |
1304 | ||
1305 | static inline void configure_usart2_pins(unsigned pins) | |
1306 | { | |
1307 | at91_set_A_periph(AT91_PIN_PB6, 1); /* TXD2 */ | |
1308 | at91_set_A_periph(AT91_PIN_PB7, 0); /* RXD2 */ | |
1309 | ||
1310 | if (pins & ATMEL_UART_RTS) | |
1311 | at91_set_B_periph(AT91_PIN_PC9, 0); /* RTS2 */ | |
1312 | if (pins & ATMEL_UART_CTS) | |
1313 | at91_set_B_periph(AT91_PIN_PC11, 0); /* CTS2 */ | |
1314 | } | |
1315 | ||
1316 | static struct resource uart3_resources[] = { | |
1317 | [0] = { | |
1318 | .start = AT91SAM9G45_BASE_US3, | |
1319 | .end = AT91SAM9G45_BASE_US3 + SZ_16K - 1, | |
1320 | .flags = IORESOURCE_MEM, | |
1321 | }, | |
1322 | [1] = { | |
1323 | .start = AT91SAM9G45_ID_US3, | |
1324 | .end = AT91SAM9G45_ID_US3, | |
1325 | .flags = IORESOURCE_IRQ, | |
1326 | }, | |
1327 | }; | |
1328 | ||
1329 | static struct atmel_uart_data uart3_data = { | |
1330 | .use_dma_tx = 1, | |
1331 | .use_dma_rx = 1, | |
1332 | }; | |
1333 | ||
1334 | static u64 uart3_dmamask = DMA_BIT_MASK(32); | |
1335 | ||
1336 | static struct platform_device at91sam9g45_uart3_device = { | |
1337 | .name = "atmel_usart", | |
1338 | .id = 4, | |
1339 | .dev = { | |
1340 | .dma_mask = &uart3_dmamask, | |
1341 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
1342 | .platform_data = &uart3_data, | |
1343 | }, | |
1344 | .resource = uart3_resources, | |
1345 | .num_resources = ARRAY_SIZE(uart3_resources), | |
1346 | }; | |
1347 | ||
1348 | static inline void configure_usart3_pins(unsigned pins) | |
1349 | { | |
1350 | at91_set_A_periph(AT91_PIN_PB8, 1); /* TXD3 */ | |
1351 | at91_set_A_periph(AT91_PIN_PB9, 0); /* RXD3 */ | |
1352 | ||
1353 | if (pins & ATMEL_UART_RTS) | |
1354 | at91_set_B_periph(AT91_PIN_PA23, 0); /* RTS3 */ | |
1355 | if (pins & ATMEL_UART_CTS) | |
1356 | at91_set_B_periph(AT91_PIN_PA24, 0); /* CTS3 */ | |
1357 | } | |
1358 | ||
1359 | static struct platform_device *__initdata at91_uarts[ATMEL_MAX_UART]; /* the UARTs to use */ | |
1360 | struct platform_device *atmel_default_console_device; /* the serial console device */ | |
1361 | ||
1362 | void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins) | |
1363 | { | |
1364 | struct platform_device *pdev; | |
1365 | ||
1366 | switch (id) { | |
1367 | case 0: /* DBGU */ | |
1368 | pdev = &at91sam9g45_dbgu_device; | |
1369 | configure_dbgu_pins(); | |
1370 | at91_clock_associate("mck", &pdev->dev, "usart"); | |
1371 | break; | |
1372 | case AT91SAM9G45_ID_US0: | |
1373 | pdev = &at91sam9g45_uart0_device; | |
1374 | configure_usart0_pins(pins); | |
1375 | at91_clock_associate("usart0_clk", &pdev->dev, "usart"); | |
1376 | break; | |
1377 | case AT91SAM9G45_ID_US1: | |
1378 | pdev = &at91sam9g45_uart1_device; | |
1379 | configure_usart1_pins(pins); | |
1380 | at91_clock_associate("usart1_clk", &pdev->dev, "usart"); | |
1381 | break; | |
1382 | case AT91SAM9G45_ID_US2: | |
1383 | pdev = &at91sam9g45_uart2_device; | |
1384 | configure_usart2_pins(pins); | |
1385 | at91_clock_associate("usart2_clk", &pdev->dev, "usart"); | |
1386 | break; | |
1387 | case AT91SAM9G45_ID_US3: | |
1388 | pdev = &at91sam9g45_uart3_device; | |
1389 | configure_usart3_pins(pins); | |
1390 | at91_clock_associate("usart3_clk", &pdev->dev, "usart"); | |
1391 | break; | |
1392 | default: | |
1393 | return; | |
1394 | } | |
1395 | pdev->id = portnr; /* update to mapped ID */ | |
1396 | ||
1397 | if (portnr < ATMEL_MAX_UART) | |
1398 | at91_uarts[portnr] = pdev; | |
1399 | } | |
1400 | ||
1401 | void __init at91_set_serial_console(unsigned portnr) | |
1402 | { | |
1403 | if (portnr < ATMEL_MAX_UART) | |
1404 | atmel_default_console_device = at91_uarts[portnr]; | |
1405 | } | |
1406 | ||
1407 | void __init at91_add_device_serial(void) | |
1408 | { | |
1409 | int i; | |
1410 | ||
1411 | for (i = 0; i < ATMEL_MAX_UART; i++) { | |
1412 | if (at91_uarts[i]) | |
1413 | platform_device_register(at91_uarts[i]); | |
1414 | } | |
1415 | ||
1416 | if (!atmel_default_console_device) | |
1417 | printk(KERN_INFO "AT91: No default serial console defined.\n"); | |
1418 | } | |
1419 | #else | |
1420 | void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins) {} | |
1421 | void __init at91_set_serial_console(unsigned portnr) {} | |
1422 | void __init at91_add_device_serial(void) {} | |
1423 | #endif | |
1424 | ||
1425 | ||
1426 | /* -------------------------------------------------------------------- */ | |
1427 | /* | |
1428 | * These devices are always present and don't need any board-specific | |
1429 | * setup. | |
1430 | */ | |
1431 | static int __init at91_add_standard_devices(void) | |
1432 | { | |
40262b2b | 1433 | at91_add_device_hdmac(); |
789b23bc NF |
1434 | at91_add_device_rtc(); |
1435 | at91_add_device_rtt(); | |
1436 | at91_add_device_watchdog(); | |
1437 | at91_add_device_tc(); | |
1438 | return 0; | |
1439 | } | |
1440 | ||
1441 | arch_initcall(at91_add_standard_devices); |