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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> | |
2f8163ba | 16 | #include <linux/gpio.h> |
789b23bc NF |
17 | #include <linux/platform_device.h> |
18 | #include <linux/i2c-gpio.h> | |
75305d76 | 19 | #include <linux/atmel-mci.h> |
789b23bc NF |
20 | |
21 | #include <linux/fb.h> | |
22 | #include <video/atmel_lcdc.h> | |
23 | ||
24 | #include <mach/board.h> | |
789b23bc NF |
25 | #include <mach/at91sam9g45.h> |
26 | #include <mach/at91sam9g45_matrix.h> | |
27 | #include <mach/at91sam9_smc.h> | |
40262b2b | 28 | #include <mach/at_hdmac.h> |
75305d76 | 29 | #include <mach/atmel-mci.h> |
789b23bc NF |
30 | |
31 | #include "generic.h" | |
32 | ||
33 | ||
40262b2b NF |
34 | /* -------------------------------------------------------------------- |
35 | * HDMAC - AHB DMA Controller | |
36 | * -------------------------------------------------------------------- */ | |
37 | ||
38 | #if defined(CONFIG_AT_HDMAC) || defined(CONFIG_AT_HDMAC_MODULE) | |
39 | static u64 hdmac_dmamask = DMA_BIT_MASK(32); | |
40 | ||
40262b2b NF |
41 | static struct resource hdmac_resources[] = { |
42 | [0] = { | |
9627b200 JCPV |
43 | .start = AT91SAM9G45_BASE_DMA, |
44 | .end = AT91SAM9G45_BASE_DMA + SZ_512 - 1, | |
40262b2b NF |
45 | .flags = IORESOURCE_MEM, |
46 | }, | |
8d2602e0 | 47 | [1] = { |
40262b2b NF |
48 | .start = AT91SAM9G45_ID_DMA, |
49 | .end = AT91SAM9G45_ID_DMA, | |
50 | .flags = IORESOURCE_IRQ, | |
51 | }, | |
52 | }; | |
53 | ||
54 | static struct platform_device at_hdmac_device = { | |
b9eaa81a | 55 | .name = "at91sam9g45_dma", |
40262b2b NF |
56 | .id = -1, |
57 | .dev = { | |
58 | .dma_mask = &hdmac_dmamask, | |
59 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
40262b2b NF |
60 | }, |
61 | .resource = hdmac_resources, | |
62 | .num_resources = ARRAY_SIZE(hdmac_resources), | |
63 | }; | |
64 | ||
65 | void __init at91_add_device_hdmac(void) | |
66 | { | |
851c52b2 NF |
67 | #if defined(CONFIG_OF) |
68 | struct device_node *of_node = | |
69 | of_find_node_by_name(NULL, "dma-controller"); | |
70 | ||
71 | if (of_node) | |
72 | of_node_put(of_node); | |
73 | else | |
74 | #endif | |
75 | platform_device_register(&at_hdmac_device); | |
40262b2b NF |
76 | } |
77 | #else | |
78 | void __init at91_add_device_hdmac(void) {} | |
79 | #endif | |
80 | ||
81 | ||
789b23bc NF |
82 | /* -------------------------------------------------------------------- |
83 | * USB Host (OHCI) | |
84 | * -------------------------------------------------------------------- */ | |
85 | ||
86 | #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) | |
87 | static u64 ohci_dmamask = DMA_BIT_MASK(32); | |
88 | static struct at91_usbh_data usbh_ohci_data; | |
89 | ||
90 | static struct resource usbh_ohci_resources[] = { | |
91 | [0] = { | |
92 | .start = AT91SAM9G45_OHCI_BASE, | |
93 | .end = AT91SAM9G45_OHCI_BASE + SZ_1M - 1, | |
94 | .flags = IORESOURCE_MEM, | |
95 | }, | |
96 | [1] = { | |
97 | .start = AT91SAM9G45_ID_UHPHS, | |
98 | .end = AT91SAM9G45_ID_UHPHS, | |
99 | .flags = IORESOURCE_IRQ, | |
100 | }, | |
101 | }; | |
102 | ||
103 | static struct platform_device at91_usbh_ohci_device = { | |
104 | .name = "at91_ohci", | |
105 | .id = -1, | |
106 | .dev = { | |
107 | .dma_mask = &ohci_dmamask, | |
108 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
109 | .platform_data = &usbh_ohci_data, | |
110 | }, | |
111 | .resource = usbh_ohci_resources, | |
112 | .num_resources = ARRAY_SIZE(usbh_ohci_resources), | |
113 | }; | |
114 | ||
115 | void __init at91_add_device_usbh_ohci(struct at91_usbh_data *data) | |
116 | { | |
117 | int i; | |
118 | ||
119 | if (!data) | |
120 | return; | |
121 | ||
122 | /* Enable VBus control for UHP ports */ | |
123 | for (i = 0; i < data->ports; i++) { | |
cc9f9aef | 124 | if (gpio_is_valid(data->vbus_pin[i])) |
789b23bc NF |
125 | at91_set_gpio_output(data->vbus_pin[i], 0); |
126 | } | |
127 | ||
1fcaea7e TP |
128 | /* Enable overcurrent notification */ |
129 | for (i = 0; i < data->ports; i++) { | |
130 | if (data->overcurrent_pin[i]) | |
131 | at91_set_gpio_input(data->overcurrent_pin[i], 1); | |
132 | } | |
133 | ||
789b23bc NF |
134 | usbh_ohci_data = *data; |
135 | platform_device_register(&at91_usbh_ohci_device); | |
136 | } | |
137 | #else | |
138 | void __init at91_add_device_usbh_ohci(struct at91_usbh_data *data) {} | |
139 | #endif | |
140 | ||
141 | ||
f51f78c0 NF |
142 | /* -------------------------------------------------------------------- |
143 | * USB Host HS (EHCI) | |
144 | * Needs an OHCI host for low and full speed management | |
145 | * -------------------------------------------------------------------- */ | |
146 | ||
147 | #if defined(CONFIG_USB_EHCI_HCD) || defined(CONFIG_USB_EHCI_HCD_MODULE) | |
148 | static u64 ehci_dmamask = DMA_BIT_MASK(32); | |
149 | static struct at91_usbh_data usbh_ehci_data; | |
150 | ||
151 | static struct resource usbh_ehci_resources[] = { | |
152 | [0] = { | |
153 | .start = AT91SAM9G45_EHCI_BASE, | |
154 | .end = AT91SAM9G45_EHCI_BASE + SZ_1M - 1, | |
155 | .flags = IORESOURCE_MEM, | |
156 | }, | |
157 | [1] = { | |
158 | .start = AT91SAM9G45_ID_UHPHS, | |
159 | .end = AT91SAM9G45_ID_UHPHS, | |
160 | .flags = IORESOURCE_IRQ, | |
161 | }, | |
162 | }; | |
163 | ||
164 | static struct platform_device at91_usbh_ehci_device = { | |
165 | .name = "atmel-ehci", | |
166 | .id = -1, | |
167 | .dev = { | |
168 | .dma_mask = &ehci_dmamask, | |
169 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
170 | .platform_data = &usbh_ehci_data, | |
171 | }, | |
172 | .resource = usbh_ehci_resources, | |
173 | .num_resources = ARRAY_SIZE(usbh_ehci_resources), | |
174 | }; | |
175 | ||
176 | void __init at91_add_device_usbh_ehci(struct at91_usbh_data *data) | |
177 | { | |
178 | int i; | |
179 | ||
180 | if (!data) | |
181 | return; | |
182 | ||
183 | /* Enable VBus control for UHP ports */ | |
184 | for (i = 0; i < data->ports; i++) { | |
cc9f9aef | 185 | if (gpio_is_valid(data->vbus_pin[i])) |
f51f78c0 NF |
186 | at91_set_gpio_output(data->vbus_pin[i], 0); |
187 | } | |
188 | ||
189 | usbh_ehci_data = *data; | |
f51f78c0 NF |
190 | platform_device_register(&at91_usbh_ehci_device); |
191 | } | |
192 | #else | |
193 | void __init at91_add_device_usbh_ehci(struct at91_usbh_data *data) {} | |
194 | #endif | |
195 | ||
196 | ||
789b23bc NF |
197 | /* -------------------------------------------------------------------- |
198 | * USB HS Device (Gadget) | |
199 | * -------------------------------------------------------------------- */ | |
200 | ||
dd0b3825 | 201 | #if defined(CONFIG_USB_ATMEL_USBA) || defined(CONFIG_USB_ATMEL_USBA_MODULE) |
789b23bc NF |
202 | static struct resource usba_udc_resources[] = { |
203 | [0] = { | |
204 | .start = AT91SAM9G45_UDPHS_FIFO, | |
205 | .end = AT91SAM9G45_UDPHS_FIFO + SZ_512K - 1, | |
206 | .flags = IORESOURCE_MEM, | |
207 | }, | |
208 | [1] = { | |
209 | .start = AT91SAM9G45_BASE_UDPHS, | |
210 | .end = AT91SAM9G45_BASE_UDPHS + SZ_1K - 1, | |
211 | .flags = IORESOURCE_MEM, | |
212 | }, | |
213 | [2] = { | |
214 | .start = AT91SAM9G45_ID_UDPHS, | |
215 | .end = AT91SAM9G45_ID_UDPHS, | |
216 | .flags = IORESOURCE_IRQ, | |
217 | }, | |
218 | }; | |
219 | ||
220 | #define EP(nam, idx, maxpkt, maxbk, dma, isoc) \ | |
221 | [idx] = { \ | |
222 | .name = nam, \ | |
223 | .index = idx, \ | |
224 | .fifo_size = maxpkt, \ | |
225 | .nr_banks = maxbk, \ | |
226 | .can_dma = dma, \ | |
227 | .can_isoc = isoc, \ | |
228 | } | |
229 | ||
230 | static struct usba_ep_data usba_udc_ep[] __initdata = { | |
231 | EP("ep0", 0, 64, 1, 0, 0), | |
232 | EP("ep1", 1, 1024, 2, 1, 1), | |
233 | EP("ep2", 2, 1024, 2, 1, 1), | |
234 | EP("ep3", 3, 1024, 3, 1, 0), | |
235 | EP("ep4", 4, 1024, 3, 1, 0), | |
236 | EP("ep5", 5, 1024, 3, 1, 1), | |
237 | EP("ep6", 6, 1024, 3, 1, 1), | |
238 | }; | |
239 | ||
240 | #undef EP | |
241 | ||
242 | /* | |
243 | * pdata doesn't have room for any endpoints, so we need to | |
244 | * append room for the ones we need right after it. | |
245 | */ | |
246 | static struct { | |
247 | struct usba_platform_data pdata; | |
248 | struct usba_ep_data ep[7]; | |
249 | } usba_udc_data; | |
250 | ||
251 | static struct platform_device at91_usba_udc_device = { | |
252 | .name = "atmel_usba_udc", | |
253 | .id = -1, | |
254 | .dev = { | |
255 | .platform_data = &usba_udc_data.pdata, | |
256 | }, | |
257 | .resource = usba_udc_resources, | |
258 | .num_resources = ARRAY_SIZE(usba_udc_resources), | |
259 | }; | |
260 | ||
261 | void __init at91_add_device_usba(struct usba_platform_data *data) | |
262 | { | |
263 | usba_udc_data.pdata.vbus_pin = -EINVAL; | |
264 | usba_udc_data.pdata.num_ep = ARRAY_SIZE(usba_udc_ep); | |
6eab04a8 | 265 | memcpy(usba_udc_data.ep, usba_udc_ep, sizeof(usba_udc_ep)); |
789b23bc | 266 | |
cc9f9aef | 267 | if (data && gpio_is_valid(data->vbus_pin)) { |
789b23bc NF |
268 | at91_set_gpio_input(data->vbus_pin, 0); |
269 | at91_set_deglitch(data->vbus_pin, 1); | |
270 | usba_udc_data.pdata.vbus_pin = data->vbus_pin; | |
271 | } | |
272 | ||
273 | /* Pullup pin is handled internally by USB device peripheral */ | |
274 | ||
789b23bc NF |
275 | platform_device_register(&at91_usba_udc_device); |
276 | } | |
277 | #else | |
278 | void __init at91_add_device_usba(struct usba_platform_data *data) {} | |
279 | #endif | |
280 | ||
281 | ||
282 | /* -------------------------------------------------------------------- | |
283 | * Ethernet | |
284 | * -------------------------------------------------------------------- */ | |
285 | ||
286 | #if defined(CONFIG_MACB) || defined(CONFIG_MACB_MODULE) | |
287 | static u64 eth_dmamask = DMA_BIT_MASK(32); | |
84e0cdb0 | 288 | static struct macb_platform_data eth_data; |
789b23bc NF |
289 | |
290 | static struct resource eth_resources[] = { | |
291 | [0] = { | |
292 | .start = AT91SAM9G45_BASE_EMAC, | |
293 | .end = AT91SAM9G45_BASE_EMAC + SZ_16K - 1, | |
294 | .flags = IORESOURCE_MEM, | |
295 | }, | |
296 | [1] = { | |
297 | .start = AT91SAM9G45_ID_EMAC, | |
298 | .end = AT91SAM9G45_ID_EMAC, | |
299 | .flags = IORESOURCE_IRQ, | |
300 | }, | |
301 | }; | |
302 | ||
303 | static struct platform_device at91sam9g45_eth_device = { | |
304 | .name = "macb", | |
305 | .id = -1, | |
306 | .dev = { | |
307 | .dma_mask = ð_dmamask, | |
308 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
309 | .platform_data = ð_data, | |
310 | }, | |
311 | .resource = eth_resources, | |
312 | .num_resources = ARRAY_SIZE(eth_resources), | |
313 | }; | |
314 | ||
84e0cdb0 | 315 | void __init at91_add_device_eth(struct macb_platform_data *data) |
789b23bc NF |
316 | { |
317 | if (!data) | |
318 | return; | |
319 | ||
cc9f9aef | 320 | if (gpio_is_valid(data->phy_irq_pin)) { |
789b23bc NF |
321 | at91_set_gpio_input(data->phy_irq_pin, 0); |
322 | at91_set_deglitch(data->phy_irq_pin, 1); | |
323 | } | |
324 | ||
325 | /* Pins used for MII and RMII */ | |
326 | at91_set_A_periph(AT91_PIN_PA17, 0); /* ETXCK_EREFCK */ | |
327 | at91_set_A_periph(AT91_PIN_PA15, 0); /* ERXDV */ | |
328 | at91_set_A_periph(AT91_PIN_PA12, 0); /* ERX0 */ | |
329 | at91_set_A_periph(AT91_PIN_PA13, 0); /* ERX1 */ | |
330 | at91_set_A_periph(AT91_PIN_PA16, 0); /* ERXER */ | |
331 | at91_set_A_periph(AT91_PIN_PA14, 0); /* ETXEN */ | |
332 | at91_set_A_periph(AT91_PIN_PA10, 0); /* ETX0 */ | |
333 | at91_set_A_periph(AT91_PIN_PA11, 0); /* ETX1 */ | |
334 | at91_set_A_periph(AT91_PIN_PA19, 0); /* EMDIO */ | |
335 | at91_set_A_periph(AT91_PIN_PA18, 0); /* EMDC */ | |
336 | ||
337 | if (!data->is_rmii) { | |
338 | at91_set_B_periph(AT91_PIN_PA29, 0); /* ECRS */ | |
339 | at91_set_B_periph(AT91_PIN_PA30, 0); /* ECOL */ | |
340 | at91_set_B_periph(AT91_PIN_PA8, 0); /* ERX2 */ | |
341 | at91_set_B_periph(AT91_PIN_PA9, 0); /* ERX3 */ | |
342 | at91_set_B_periph(AT91_PIN_PA28, 0); /* ERXCK */ | |
343 | at91_set_B_periph(AT91_PIN_PA6, 0); /* ETX2 */ | |
344 | at91_set_B_periph(AT91_PIN_PA7, 0); /* ETX3 */ | |
345 | at91_set_B_periph(AT91_PIN_PA27, 0); /* ETXER */ | |
346 | } | |
347 | ||
348 | eth_data = *data; | |
349 | platform_device_register(&at91sam9g45_eth_device); | |
350 | } | |
351 | #else | |
84e0cdb0 | 352 | void __init at91_add_device_eth(struct macb_platform_data *data) {} |
789b23bc NF |
353 | #endif |
354 | ||
355 | ||
75305d76 NF |
356 | /* -------------------------------------------------------------------- |
357 | * MMC / SD | |
358 | * -------------------------------------------------------------------- */ | |
359 | ||
360 | #if defined(CONFIG_MMC_ATMELMCI) || defined(CONFIG_MMC_ATMELMCI_MODULE) | |
361 | static u64 mmc_dmamask = DMA_BIT_MASK(32); | |
362 | static struct mci_platform_data mmc0_data, mmc1_data; | |
363 | ||
364 | static struct resource mmc0_resources[] = { | |
365 | [0] = { | |
366 | .start = AT91SAM9G45_BASE_MCI0, | |
367 | .end = AT91SAM9G45_BASE_MCI0 + SZ_16K - 1, | |
368 | .flags = IORESOURCE_MEM, | |
369 | }, | |
370 | [1] = { | |
371 | .start = AT91SAM9G45_ID_MCI0, | |
372 | .end = AT91SAM9G45_ID_MCI0, | |
373 | .flags = IORESOURCE_IRQ, | |
374 | }, | |
375 | }; | |
376 | ||
377 | static struct platform_device at91sam9g45_mmc0_device = { | |
378 | .name = "atmel_mci", | |
379 | .id = 0, | |
380 | .dev = { | |
381 | .dma_mask = &mmc_dmamask, | |
382 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
383 | .platform_data = &mmc0_data, | |
384 | }, | |
385 | .resource = mmc0_resources, | |
386 | .num_resources = ARRAY_SIZE(mmc0_resources), | |
387 | }; | |
388 | ||
389 | static struct resource mmc1_resources[] = { | |
390 | [0] = { | |
391 | .start = AT91SAM9G45_BASE_MCI1, | |
392 | .end = AT91SAM9G45_BASE_MCI1 + SZ_16K - 1, | |
393 | .flags = IORESOURCE_MEM, | |
394 | }, | |
395 | [1] = { | |
396 | .start = AT91SAM9G45_ID_MCI1, | |
397 | .end = AT91SAM9G45_ID_MCI1, | |
398 | .flags = IORESOURCE_IRQ, | |
399 | }, | |
400 | }; | |
401 | ||
402 | static struct platform_device at91sam9g45_mmc1_device = { | |
403 | .name = "atmel_mci", | |
404 | .id = 1, | |
405 | .dev = { | |
406 | .dma_mask = &mmc_dmamask, | |
407 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
408 | .platform_data = &mmc1_data, | |
409 | }, | |
410 | .resource = mmc1_resources, | |
411 | .num_resources = ARRAY_SIZE(mmc1_resources), | |
412 | }; | |
413 | ||
414 | /* Consider only one slot : slot 0 */ | |
415 | void __init at91_add_device_mci(short mmc_id, struct mci_platform_data *data) | |
416 | { | |
417 | ||
418 | if (!data) | |
419 | return; | |
420 | ||
421 | /* Must have at least one usable slot */ | |
422 | if (!data->slot[0].bus_width) | |
423 | return; | |
424 | ||
425 | #if defined(CONFIG_AT_HDMAC) || defined(CONFIG_AT_HDMAC_MODULE) | |
426 | { | |
427 | struct at_dma_slave *atslave; | |
428 | struct mci_dma_data *alt_atslave; | |
429 | ||
430 | alt_atslave = kzalloc(sizeof(struct mci_dma_data), GFP_KERNEL); | |
431 | atslave = &alt_atslave->sdata; | |
432 | ||
433 | /* DMA slave channel configuration */ | |
434 | atslave->dma_dev = &at_hdmac_device.dev; | |
435 | atslave->reg_width = AT_DMA_SLAVE_WIDTH_32BIT; | |
436 | atslave->cfg = ATC_FIFOCFG_HALFFIFO | |
437 | | ATC_SRC_H2SEL_HW | ATC_DST_H2SEL_HW; | |
438 | atslave->ctrla = ATC_SCSIZE_16 | ATC_DCSIZE_16; | |
439 | if (mmc_id == 0) /* MCI0 */ | |
440 | atslave->cfg |= ATC_SRC_PER(AT_DMA_ID_MCI0) | |
441 | | ATC_DST_PER(AT_DMA_ID_MCI0); | |
442 | ||
443 | else /* MCI1 */ | |
444 | atslave->cfg |= ATC_SRC_PER(AT_DMA_ID_MCI1) | |
445 | | ATC_DST_PER(AT_DMA_ID_MCI1); | |
446 | ||
447 | data->dma_slave = alt_atslave; | |
448 | } | |
449 | #endif | |
450 | ||
451 | ||
452 | /* input/irq */ | |
cc9f9aef | 453 | if (gpio_is_valid(data->slot[0].detect_pin)) { |
75305d76 NF |
454 | at91_set_gpio_input(data->slot[0].detect_pin, 1); |
455 | at91_set_deglitch(data->slot[0].detect_pin, 1); | |
456 | } | |
cc9f9aef | 457 | if (gpio_is_valid(data->slot[0].wp_pin)) |
75305d76 NF |
458 | at91_set_gpio_input(data->slot[0].wp_pin, 1); |
459 | ||
460 | if (mmc_id == 0) { /* MCI0 */ | |
461 | ||
462 | /* CLK */ | |
463 | at91_set_A_periph(AT91_PIN_PA0, 0); | |
464 | ||
465 | /* CMD */ | |
466 | at91_set_A_periph(AT91_PIN_PA1, 1); | |
467 | ||
468 | /* DAT0, maybe DAT1..DAT3 and maybe DAT4..DAT7 */ | |
469 | at91_set_A_periph(AT91_PIN_PA2, 1); | |
470 | if (data->slot[0].bus_width == 4) { | |
471 | at91_set_A_periph(AT91_PIN_PA3, 1); | |
472 | at91_set_A_periph(AT91_PIN_PA4, 1); | |
473 | at91_set_A_periph(AT91_PIN_PA5, 1); | |
474 | if (data->slot[0].bus_width == 8) { | |
475 | at91_set_A_periph(AT91_PIN_PA6, 1); | |
476 | at91_set_A_periph(AT91_PIN_PA7, 1); | |
477 | at91_set_A_periph(AT91_PIN_PA8, 1); | |
478 | at91_set_A_periph(AT91_PIN_PA9, 1); | |
479 | } | |
480 | } | |
481 | ||
482 | mmc0_data = *data; | |
75305d76 NF |
483 | platform_device_register(&at91sam9g45_mmc0_device); |
484 | ||
485 | } else { /* MCI1 */ | |
486 | ||
487 | /* CLK */ | |
488 | at91_set_A_periph(AT91_PIN_PA31, 0); | |
489 | ||
490 | /* CMD */ | |
491 | at91_set_A_periph(AT91_PIN_PA22, 1); | |
492 | ||
493 | /* DAT0, maybe DAT1..DAT3 and maybe DAT4..DAT7 */ | |
494 | at91_set_A_periph(AT91_PIN_PA23, 1); | |
495 | if (data->slot[0].bus_width == 4) { | |
496 | at91_set_A_periph(AT91_PIN_PA24, 1); | |
497 | at91_set_A_periph(AT91_PIN_PA25, 1); | |
498 | at91_set_A_periph(AT91_PIN_PA26, 1); | |
499 | if (data->slot[0].bus_width == 8) { | |
500 | at91_set_A_periph(AT91_PIN_PA27, 1); | |
501 | at91_set_A_periph(AT91_PIN_PA28, 1); | |
502 | at91_set_A_periph(AT91_PIN_PA29, 1); | |
503 | at91_set_A_periph(AT91_PIN_PA30, 1); | |
504 | } | |
505 | } | |
506 | ||
507 | mmc1_data = *data; | |
75305d76 NF |
508 | platform_device_register(&at91sam9g45_mmc1_device); |
509 | ||
510 | } | |
511 | } | |
512 | #else | |
513 | void __init at91_add_device_mci(short mmc_id, struct mci_platform_data *data) {} | |
514 | #endif | |
515 | ||
516 | ||
789b23bc NF |
517 | /* -------------------------------------------------------------------- |
518 | * NAND / SmartMedia | |
519 | * -------------------------------------------------------------------- */ | |
520 | ||
521 | #if defined(CONFIG_MTD_NAND_ATMEL) || defined(CONFIG_MTD_NAND_ATMEL_MODULE) | |
522 | static struct atmel_nand_data nand_data; | |
523 | ||
524 | #define NAND_BASE AT91_CHIPSELECT_3 | |
525 | ||
526 | static struct resource nand_resources[] = { | |
527 | [0] = { | |
528 | .start = NAND_BASE, | |
529 | .end = NAND_BASE + SZ_256M - 1, | |
530 | .flags = IORESOURCE_MEM, | |
531 | }, | |
532 | [1] = { | |
d28edd1b JCPV |
533 | .start = AT91SAM9G45_BASE_ECC, |
534 | .end = AT91SAM9G45_BASE_ECC + SZ_512 - 1, | |
789b23bc NF |
535 | .flags = IORESOURCE_MEM, |
536 | } | |
537 | }; | |
538 | ||
539 | static struct platform_device at91sam9g45_nand_device = { | |
540 | .name = "atmel_nand", | |
541 | .id = -1, | |
542 | .dev = { | |
543 | .platform_data = &nand_data, | |
544 | }, | |
545 | .resource = nand_resources, | |
546 | .num_resources = ARRAY_SIZE(nand_resources), | |
547 | }; | |
548 | ||
549 | void __init at91_add_device_nand(struct atmel_nand_data *data) | |
550 | { | |
551 | unsigned long csa; | |
552 | ||
553 | if (!data) | |
554 | return; | |
555 | ||
556 | csa = at91_sys_read(AT91_MATRIX_EBICSA); | |
557 | at91_sys_write(AT91_MATRIX_EBICSA, csa | AT91_MATRIX_EBI_CS3A_SMC_SMARTMEDIA); | |
558 | ||
559 | /* enable pin */ | |
cc9f9aef | 560 | if (gpio_is_valid(data->enable_pin)) |
789b23bc NF |
561 | at91_set_gpio_output(data->enable_pin, 1); |
562 | ||
563 | /* ready/busy pin */ | |
cc9f9aef | 564 | if (gpio_is_valid(data->rdy_pin)) |
789b23bc NF |
565 | at91_set_gpio_input(data->rdy_pin, 1); |
566 | ||
567 | /* card detect pin */ | |
cc9f9aef | 568 | if (gpio_is_valid(data->det_pin)) |
789b23bc NF |
569 | at91_set_gpio_input(data->det_pin, 1); |
570 | ||
571 | nand_data = *data; | |
572 | platform_device_register(&at91sam9g45_nand_device); | |
573 | } | |
574 | #else | |
575 | void __init at91_add_device_nand(struct atmel_nand_data *data) {} | |
576 | #endif | |
577 | ||
578 | ||
579 | /* -------------------------------------------------------------------- | |
580 | * TWI (i2c) | |
581 | * -------------------------------------------------------------------- */ | |
582 | ||
583 | /* | |
584 | * Prefer the GPIO code since the TWI controller isn't robust | |
585 | * (gets overruns and underruns under load) and can only issue | |
586 | * repeated STARTs in one scenario (the driver doesn't yet handle them). | |
587 | */ | |
588 | #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE) | |
589 | static struct i2c_gpio_platform_data pdata_i2c0 = { | |
590 | .sda_pin = AT91_PIN_PA20, | |
591 | .sda_is_open_drain = 1, | |
592 | .scl_pin = AT91_PIN_PA21, | |
593 | .scl_is_open_drain = 1, | |
1d5b4c0f | 594 | .udelay = 5, /* ~100 kHz */ |
789b23bc NF |
595 | }; |
596 | ||
597 | static struct platform_device at91sam9g45_twi0_device = { | |
598 | .name = "i2c-gpio", | |
599 | .id = 0, | |
600 | .dev.platform_data = &pdata_i2c0, | |
601 | }; | |
602 | ||
603 | static struct i2c_gpio_platform_data pdata_i2c1 = { | |
604 | .sda_pin = AT91_PIN_PB10, | |
605 | .sda_is_open_drain = 1, | |
606 | .scl_pin = AT91_PIN_PB11, | |
607 | .scl_is_open_drain = 1, | |
1d5b4c0f | 608 | .udelay = 5, /* ~100 kHz */ |
789b23bc NF |
609 | }; |
610 | ||
611 | static struct platform_device at91sam9g45_twi1_device = { | |
612 | .name = "i2c-gpio", | |
613 | .id = 1, | |
614 | .dev.platform_data = &pdata_i2c1, | |
615 | }; | |
616 | ||
617 | void __init at91_add_device_i2c(short i2c_id, struct i2c_board_info *devices, int nr_devices) | |
618 | { | |
619 | i2c_register_board_info(i2c_id, devices, nr_devices); | |
620 | ||
621 | if (i2c_id == 0) { | |
622 | at91_set_GPIO_periph(AT91_PIN_PA20, 1); /* TWD (SDA) */ | |
623 | at91_set_multi_drive(AT91_PIN_PA20, 1); | |
624 | ||
625 | at91_set_GPIO_periph(AT91_PIN_PA21, 1); /* TWCK (SCL) */ | |
626 | at91_set_multi_drive(AT91_PIN_PA21, 1); | |
627 | ||
628 | platform_device_register(&at91sam9g45_twi0_device); | |
629 | } else { | |
630 | at91_set_GPIO_periph(AT91_PIN_PB10, 1); /* TWD (SDA) */ | |
631 | at91_set_multi_drive(AT91_PIN_PB10, 1); | |
632 | ||
633 | at91_set_GPIO_periph(AT91_PIN_PB11, 1); /* TWCK (SCL) */ | |
634 | at91_set_multi_drive(AT91_PIN_PB11, 1); | |
635 | ||
636 | platform_device_register(&at91sam9g45_twi1_device); | |
637 | } | |
638 | } | |
639 | ||
640 | #elif defined(CONFIG_I2C_AT91) || defined(CONFIG_I2C_AT91_MODULE) | |
641 | static struct resource twi0_resources[] = { | |
642 | [0] = { | |
643 | .start = AT91SAM9G45_BASE_TWI0, | |
644 | .end = AT91SAM9G45_BASE_TWI0 + SZ_16K - 1, | |
645 | .flags = IORESOURCE_MEM, | |
646 | }, | |
647 | [1] = { | |
648 | .start = AT91SAM9G45_ID_TWI0, | |
649 | .end = AT91SAM9G45_ID_TWI0, | |
650 | .flags = IORESOURCE_IRQ, | |
651 | }, | |
652 | }; | |
653 | ||
654 | static struct platform_device at91sam9g45_twi0_device = { | |
655 | .name = "at91_i2c", | |
656 | .id = 0, | |
657 | .resource = twi0_resources, | |
658 | .num_resources = ARRAY_SIZE(twi0_resources), | |
659 | }; | |
660 | ||
661 | static struct resource twi1_resources[] = { | |
662 | [0] = { | |
663 | .start = AT91SAM9G45_BASE_TWI1, | |
664 | .end = AT91SAM9G45_BASE_TWI1 + SZ_16K - 1, | |
665 | .flags = IORESOURCE_MEM, | |
666 | }, | |
667 | [1] = { | |
668 | .start = AT91SAM9G45_ID_TWI1, | |
669 | .end = AT91SAM9G45_ID_TWI1, | |
670 | .flags = IORESOURCE_IRQ, | |
671 | }, | |
672 | }; | |
673 | ||
674 | static struct platform_device at91sam9g45_twi1_device = { | |
675 | .name = "at91_i2c", | |
676 | .id = 1, | |
677 | .resource = twi1_resources, | |
678 | .num_resources = ARRAY_SIZE(twi1_resources), | |
679 | }; | |
680 | ||
681 | void __init at91_add_device_i2c(short i2c_id, struct i2c_board_info *devices, int nr_devices) | |
682 | { | |
683 | i2c_register_board_info(i2c_id, devices, nr_devices); | |
684 | ||
685 | /* pins used for TWI interface */ | |
686 | if (i2c_id == 0) { | |
687 | at91_set_A_periph(AT91_PIN_PA20, 0); /* TWD */ | |
688 | at91_set_multi_drive(AT91_PIN_PA20, 1); | |
689 | ||
690 | at91_set_A_periph(AT91_PIN_PA21, 0); /* TWCK */ | |
691 | at91_set_multi_drive(AT91_PIN_PA21, 1); | |
692 | ||
693 | platform_device_register(&at91sam9g45_twi0_device); | |
694 | } else { | |
695 | at91_set_A_periph(AT91_PIN_PB10, 0); /* TWD */ | |
696 | at91_set_multi_drive(AT91_PIN_PB10, 1); | |
697 | ||
698 | at91_set_A_periph(AT91_PIN_PB11, 0); /* TWCK */ | |
699 | at91_set_multi_drive(AT91_PIN_PB11, 1); | |
700 | ||
701 | platform_device_register(&at91sam9g45_twi1_device); | |
702 | } | |
703 | } | |
704 | #else | |
705 | void __init at91_add_device_i2c(short i2c_id, struct i2c_board_info *devices, int nr_devices) {} | |
706 | #endif | |
707 | ||
708 | ||
709 | /* -------------------------------------------------------------------- | |
710 | * SPI | |
711 | * -------------------------------------------------------------------- */ | |
712 | ||
713 | #if defined(CONFIG_SPI_ATMEL) || defined(CONFIG_SPI_ATMEL_MODULE) | |
714 | static u64 spi_dmamask = DMA_BIT_MASK(32); | |
715 | ||
716 | static struct resource spi0_resources[] = { | |
717 | [0] = { | |
718 | .start = AT91SAM9G45_BASE_SPI0, | |
719 | .end = AT91SAM9G45_BASE_SPI0 + SZ_16K - 1, | |
720 | .flags = IORESOURCE_MEM, | |
721 | }, | |
722 | [1] = { | |
723 | .start = AT91SAM9G45_ID_SPI0, | |
724 | .end = AT91SAM9G45_ID_SPI0, | |
725 | .flags = IORESOURCE_IRQ, | |
726 | }, | |
727 | }; | |
728 | ||
729 | static struct platform_device at91sam9g45_spi0_device = { | |
730 | .name = "atmel_spi", | |
731 | .id = 0, | |
732 | .dev = { | |
733 | .dma_mask = &spi_dmamask, | |
734 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
735 | }, | |
736 | .resource = spi0_resources, | |
737 | .num_resources = ARRAY_SIZE(spi0_resources), | |
738 | }; | |
739 | ||
740 | static const unsigned spi0_standard_cs[4] = { AT91_PIN_PB3, AT91_PIN_PB18, AT91_PIN_PB19, AT91_PIN_PD27 }; | |
741 | ||
742 | static struct resource spi1_resources[] = { | |
743 | [0] = { | |
744 | .start = AT91SAM9G45_BASE_SPI1, | |
745 | .end = AT91SAM9G45_BASE_SPI1 + SZ_16K - 1, | |
746 | .flags = IORESOURCE_MEM, | |
747 | }, | |
748 | [1] = { | |
749 | .start = AT91SAM9G45_ID_SPI1, | |
750 | .end = AT91SAM9G45_ID_SPI1, | |
751 | .flags = IORESOURCE_IRQ, | |
752 | }, | |
753 | }; | |
754 | ||
755 | static struct platform_device at91sam9g45_spi1_device = { | |
756 | .name = "atmel_spi", | |
757 | .id = 1, | |
758 | .dev = { | |
759 | .dma_mask = &spi_dmamask, | |
760 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
761 | }, | |
762 | .resource = spi1_resources, | |
763 | .num_resources = ARRAY_SIZE(spi1_resources), | |
764 | }; | |
765 | ||
766 | static const unsigned spi1_standard_cs[4] = { AT91_PIN_PB17, AT91_PIN_PD28, AT91_PIN_PD18, AT91_PIN_PD19 }; | |
767 | ||
768 | void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices) | |
769 | { | |
770 | int i; | |
771 | unsigned long cs_pin; | |
772 | short enable_spi0 = 0; | |
773 | short enable_spi1 = 0; | |
774 | ||
775 | /* Choose SPI chip-selects */ | |
776 | for (i = 0; i < nr_devices; i++) { | |
777 | if (devices[i].controller_data) | |
778 | cs_pin = (unsigned long) devices[i].controller_data; | |
779 | else if (devices[i].bus_num == 0) | |
780 | cs_pin = spi0_standard_cs[devices[i].chip_select]; | |
781 | else | |
782 | cs_pin = spi1_standard_cs[devices[i].chip_select]; | |
783 | ||
784 | if (devices[i].bus_num == 0) | |
785 | enable_spi0 = 1; | |
786 | else | |
787 | enable_spi1 = 1; | |
788 | ||
789 | /* enable chip-select pin */ | |
790 | at91_set_gpio_output(cs_pin, 1); | |
791 | ||
792 | /* pass chip-select pin to driver */ | |
793 | devices[i].controller_data = (void *) cs_pin; | |
794 | } | |
795 | ||
796 | spi_register_board_info(devices, nr_devices); | |
797 | ||
798 | /* Configure SPI bus(es) */ | |
799 | if (enable_spi0) { | |
800 | at91_set_A_periph(AT91_PIN_PB0, 0); /* SPI0_MISO */ | |
801 | at91_set_A_periph(AT91_PIN_PB1, 0); /* SPI0_MOSI */ | |
802 | at91_set_A_periph(AT91_PIN_PB2, 0); /* SPI0_SPCK */ | |
803 | ||
789b23bc NF |
804 | platform_device_register(&at91sam9g45_spi0_device); |
805 | } | |
806 | if (enable_spi1) { | |
807 | at91_set_A_periph(AT91_PIN_PB14, 0); /* SPI1_MISO */ | |
808 | at91_set_A_periph(AT91_PIN_PB15, 0); /* SPI1_MOSI */ | |
809 | at91_set_A_periph(AT91_PIN_PB16, 0); /* SPI1_SPCK */ | |
810 | ||
789b23bc NF |
811 | platform_device_register(&at91sam9g45_spi1_device); |
812 | } | |
813 | } | |
814 | #else | |
815 | void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices) {} | |
816 | #endif | |
817 | ||
818 | ||
378ac65e NF |
819 | /* -------------------------------------------------------------------- |
820 | * AC97 | |
821 | * -------------------------------------------------------------------- */ | |
822 | ||
823 | #if defined(CONFIG_SND_ATMEL_AC97C) || defined(CONFIG_SND_ATMEL_AC97C_MODULE) | |
824 | static u64 ac97_dmamask = DMA_BIT_MASK(32); | |
825 | static struct ac97c_platform_data ac97_data; | |
826 | ||
827 | static struct resource ac97_resources[] = { | |
828 | [0] = { | |
829 | .start = AT91SAM9G45_BASE_AC97C, | |
830 | .end = AT91SAM9G45_BASE_AC97C + SZ_16K - 1, | |
831 | .flags = IORESOURCE_MEM, | |
832 | }, | |
833 | [1] = { | |
834 | .start = AT91SAM9G45_ID_AC97C, | |
835 | .end = AT91SAM9G45_ID_AC97C, | |
836 | .flags = IORESOURCE_IRQ, | |
837 | }, | |
838 | }; | |
839 | ||
840 | static struct platform_device at91sam9g45_ac97_device = { | |
841 | .name = "atmel_ac97c", | |
842 | .id = 0, | |
843 | .dev = { | |
844 | .dma_mask = &ac97_dmamask, | |
845 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
846 | .platform_data = &ac97_data, | |
847 | }, | |
848 | .resource = ac97_resources, | |
849 | .num_resources = ARRAY_SIZE(ac97_resources), | |
850 | }; | |
851 | ||
852 | void __init at91_add_device_ac97(struct ac97c_platform_data *data) | |
853 | { | |
854 | if (!data) | |
855 | return; | |
856 | ||
857 | at91_set_A_periph(AT91_PIN_PD8, 0); /* AC97FS */ | |
858 | at91_set_A_periph(AT91_PIN_PD9, 0); /* AC97CK */ | |
859 | at91_set_A_periph(AT91_PIN_PD7, 0); /* AC97TX */ | |
860 | at91_set_A_periph(AT91_PIN_PD6, 0); /* AC97RX */ | |
861 | ||
862 | /* reset */ | |
cc9f9aef | 863 | if (gpio_is_valid(data->reset_pin)) |
378ac65e NF |
864 | at91_set_gpio_output(data->reset_pin, 0); |
865 | ||
866 | ac97_data = *data; | |
867 | platform_device_register(&at91sam9g45_ac97_device); | |
868 | } | |
869 | #else | |
870 | void __init at91_add_device_ac97(struct ac97c_platform_data *data) {} | |
871 | #endif | |
872 | ||
873 | ||
789b23bc NF |
874 | /* -------------------------------------------------------------------- |
875 | * LCD Controller | |
876 | * -------------------------------------------------------------------- */ | |
877 | ||
878 | #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE) | |
879 | static u64 lcdc_dmamask = DMA_BIT_MASK(32); | |
880 | static struct atmel_lcdfb_info lcdc_data; | |
881 | ||
882 | static struct resource lcdc_resources[] = { | |
883 | [0] = { | |
884 | .start = AT91SAM9G45_LCDC_BASE, | |
885 | .end = AT91SAM9G45_LCDC_BASE + SZ_4K - 1, | |
886 | .flags = IORESOURCE_MEM, | |
887 | }, | |
888 | [1] = { | |
889 | .start = AT91SAM9G45_ID_LCDC, | |
890 | .end = AT91SAM9G45_ID_LCDC, | |
891 | .flags = IORESOURCE_IRQ, | |
892 | }, | |
893 | }; | |
894 | ||
895 | static struct platform_device at91_lcdc_device = { | |
896 | .name = "atmel_lcdfb", | |
897 | .id = 0, | |
898 | .dev = { | |
899 | .dma_mask = &lcdc_dmamask, | |
900 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
901 | .platform_data = &lcdc_data, | |
902 | }, | |
903 | .resource = lcdc_resources, | |
904 | .num_resources = ARRAY_SIZE(lcdc_resources), | |
905 | }; | |
906 | ||
907 | void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data) | |
908 | { | |
909 | if (!data) | |
910 | return; | |
911 | ||
912 | at91_set_A_periph(AT91_PIN_PE0, 0); /* LCDDPWR */ | |
913 | ||
914 | at91_set_A_periph(AT91_PIN_PE2, 0); /* LCDCC */ | |
915 | at91_set_A_periph(AT91_PIN_PE3, 0); /* LCDVSYNC */ | |
916 | at91_set_A_periph(AT91_PIN_PE4, 0); /* LCDHSYNC */ | |
917 | at91_set_A_periph(AT91_PIN_PE5, 0); /* LCDDOTCK */ | |
918 | at91_set_A_periph(AT91_PIN_PE6, 0); /* LCDDEN */ | |
919 | at91_set_A_periph(AT91_PIN_PE7, 0); /* LCDD0 */ | |
920 | at91_set_A_periph(AT91_PIN_PE8, 0); /* LCDD1 */ | |
921 | at91_set_A_periph(AT91_PIN_PE9, 0); /* LCDD2 */ | |
922 | at91_set_A_periph(AT91_PIN_PE10, 0); /* LCDD3 */ | |
923 | at91_set_A_periph(AT91_PIN_PE11, 0); /* LCDD4 */ | |
924 | at91_set_A_periph(AT91_PIN_PE12, 0); /* LCDD5 */ | |
925 | at91_set_A_periph(AT91_PIN_PE13, 0); /* LCDD6 */ | |
926 | at91_set_A_periph(AT91_PIN_PE14, 0); /* LCDD7 */ | |
927 | at91_set_A_periph(AT91_PIN_PE15, 0); /* LCDD8 */ | |
928 | at91_set_A_periph(AT91_PIN_PE16, 0); /* LCDD9 */ | |
929 | at91_set_A_periph(AT91_PIN_PE17, 0); /* LCDD10 */ | |
930 | at91_set_A_periph(AT91_PIN_PE18, 0); /* LCDD11 */ | |
931 | at91_set_A_periph(AT91_PIN_PE19, 0); /* LCDD12 */ | |
932 | at91_set_A_periph(AT91_PIN_PE20, 0); /* LCDD13 */ | |
933 | at91_set_A_periph(AT91_PIN_PE21, 0); /* LCDD14 */ | |
934 | at91_set_A_periph(AT91_PIN_PE22, 0); /* LCDD15 */ | |
935 | at91_set_A_periph(AT91_PIN_PE23, 0); /* LCDD16 */ | |
936 | at91_set_A_periph(AT91_PIN_PE24, 0); /* LCDD17 */ | |
937 | at91_set_A_periph(AT91_PIN_PE25, 0); /* LCDD18 */ | |
938 | at91_set_A_periph(AT91_PIN_PE26, 0); /* LCDD19 */ | |
939 | at91_set_A_periph(AT91_PIN_PE27, 0); /* LCDD20 */ | |
940 | at91_set_A_periph(AT91_PIN_PE28, 0); /* LCDD21 */ | |
941 | at91_set_A_periph(AT91_PIN_PE29, 0); /* LCDD22 */ | |
942 | at91_set_A_periph(AT91_PIN_PE30, 0); /* LCDD23 */ | |
943 | ||
944 | lcdc_data = *data; | |
945 | platform_device_register(&at91_lcdc_device); | |
946 | } | |
947 | #else | |
948 | void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data) {} | |
949 | #endif | |
950 | ||
951 | ||
952 | /* -------------------------------------------------------------------- | |
953 | * Timer/Counter block | |
954 | * -------------------------------------------------------------------- */ | |
955 | ||
956 | #ifdef CONFIG_ATMEL_TCLIB | |
957 | static struct resource tcb0_resources[] = { | |
958 | [0] = { | |
959 | .start = AT91SAM9G45_BASE_TCB0, | |
960 | .end = AT91SAM9G45_BASE_TCB0 + SZ_16K - 1, | |
961 | .flags = IORESOURCE_MEM, | |
962 | }, | |
963 | [1] = { | |
964 | .start = AT91SAM9G45_ID_TCB, | |
965 | .end = AT91SAM9G45_ID_TCB, | |
966 | .flags = IORESOURCE_IRQ, | |
967 | }, | |
968 | }; | |
969 | ||
970 | static struct platform_device at91sam9g45_tcb0_device = { | |
971 | .name = "atmel_tcb", | |
972 | .id = 0, | |
973 | .resource = tcb0_resources, | |
974 | .num_resources = ARRAY_SIZE(tcb0_resources), | |
975 | }; | |
976 | ||
977 | /* TCB1 begins with TC3 */ | |
978 | static struct resource tcb1_resources[] = { | |
979 | [0] = { | |
980 | .start = AT91SAM9G45_BASE_TCB1, | |
981 | .end = AT91SAM9G45_BASE_TCB1 + SZ_16K - 1, | |
982 | .flags = IORESOURCE_MEM, | |
983 | }, | |
984 | [1] = { | |
985 | .start = AT91SAM9G45_ID_TCB, | |
986 | .end = AT91SAM9G45_ID_TCB, | |
987 | .flags = IORESOURCE_IRQ, | |
988 | }, | |
989 | }; | |
990 | ||
991 | static struct platform_device at91sam9g45_tcb1_device = { | |
992 | .name = "atmel_tcb", | |
993 | .id = 1, | |
994 | .resource = tcb1_resources, | |
995 | .num_resources = ARRAY_SIZE(tcb1_resources), | |
996 | }; | |
997 | ||
998 | static void __init at91_add_device_tc(void) | |
999 | { | |
789b23bc | 1000 | platform_device_register(&at91sam9g45_tcb0_device); |
789b23bc NF |
1001 | platform_device_register(&at91sam9g45_tcb1_device); |
1002 | } | |
1003 | #else | |
1004 | static void __init at91_add_device_tc(void) { } | |
1005 | #endif | |
1006 | ||
1007 | ||
1008 | /* -------------------------------------------------------------------- | |
1009 | * RTC | |
1010 | * -------------------------------------------------------------------- */ | |
1011 | ||
1012 | #if defined(CONFIG_RTC_DRV_AT91RM9200) || defined(CONFIG_RTC_DRV_AT91RM9200_MODULE) | |
d28bdfc5 JCPV |
1013 | static struct resource rtc_resources[] = { |
1014 | [0] = { | |
1015 | .start = AT91SAM9G45_BASE_RTC, | |
1016 | .end = AT91SAM9G45_BASE_RTC + SZ_256 - 1, | |
1017 | .flags = IORESOURCE_MEM, | |
1018 | }, | |
1019 | [1] = { | |
1020 | .start = AT91_ID_SYS, | |
1021 | .end = AT91_ID_SYS, | |
1022 | .flags = IORESOURCE_IRQ, | |
1023 | }, | |
1024 | }; | |
1025 | ||
789b23bc NF |
1026 | static struct platform_device at91sam9g45_rtc_device = { |
1027 | .name = "at91_rtc", | |
1028 | .id = -1, | |
d28bdfc5 JCPV |
1029 | .resource = rtc_resources, |
1030 | .num_resources = ARRAY_SIZE(rtc_resources), | |
789b23bc NF |
1031 | }; |
1032 | ||
1033 | static void __init at91_add_device_rtc(void) | |
1034 | { | |
1035 | platform_device_register(&at91sam9g45_rtc_device); | |
1036 | } | |
1037 | #else | |
1038 | static void __init at91_add_device_rtc(void) {} | |
1039 | #endif | |
1040 | ||
1041 | ||
985f37f8 NF |
1042 | /* -------------------------------------------------------------------- |
1043 | * Touchscreen | |
1044 | * -------------------------------------------------------------------- */ | |
1045 | ||
1046 | #if defined(CONFIG_TOUCHSCREEN_ATMEL_TSADCC) || defined(CONFIG_TOUCHSCREEN_ATMEL_TSADCC_MODULE) | |
1047 | static u64 tsadcc_dmamask = DMA_BIT_MASK(32); | |
1048 | static struct at91_tsadcc_data tsadcc_data; | |
1049 | ||
1050 | static struct resource tsadcc_resources[] = { | |
1051 | [0] = { | |
1052 | .start = AT91SAM9G45_BASE_TSC, | |
1053 | .end = AT91SAM9G45_BASE_TSC + SZ_16K - 1, | |
1054 | .flags = IORESOURCE_MEM, | |
1055 | }, | |
1056 | [1] = { | |
1057 | .start = AT91SAM9G45_ID_TSC, | |
1058 | .end = AT91SAM9G45_ID_TSC, | |
1059 | .flags = IORESOURCE_IRQ, | |
1060 | } | |
1061 | }; | |
1062 | ||
1063 | static struct platform_device at91sam9g45_tsadcc_device = { | |
1064 | .name = "atmel_tsadcc", | |
1065 | .id = -1, | |
1066 | .dev = { | |
1067 | .dma_mask = &tsadcc_dmamask, | |
1068 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
1069 | .platform_data = &tsadcc_data, | |
1070 | }, | |
1071 | .resource = tsadcc_resources, | |
1072 | .num_resources = ARRAY_SIZE(tsadcc_resources), | |
1073 | }; | |
1074 | ||
1075 | void __init at91_add_device_tsadcc(struct at91_tsadcc_data *data) | |
1076 | { | |
1077 | if (!data) | |
1078 | return; | |
1079 | ||
1080 | at91_set_gpio_input(AT91_PIN_PD20, 0); /* AD0_XR */ | |
1081 | at91_set_gpio_input(AT91_PIN_PD21, 0); /* AD1_XL */ | |
1082 | at91_set_gpio_input(AT91_PIN_PD22, 0); /* AD2_YT */ | |
1083 | at91_set_gpio_input(AT91_PIN_PD23, 0); /* AD3_TB */ | |
1084 | ||
1085 | tsadcc_data = *data; | |
1086 | platform_device_register(&at91sam9g45_tsadcc_device); | |
1087 | } | |
1088 | #else | |
1089 | void __init at91_add_device_tsadcc(struct at91_tsadcc_data *data) {} | |
1090 | #endif | |
1091 | ||
1092 | ||
789b23bc NF |
1093 | /* -------------------------------------------------------------------- |
1094 | * RTT | |
1095 | * -------------------------------------------------------------------- */ | |
1096 | ||
1097 | static struct resource rtt_resources[] = { | |
1098 | { | |
eab5fd67 JCPV |
1099 | .start = AT91SAM9G45_BASE_RTT, |
1100 | .end = AT91SAM9G45_BASE_RTT + SZ_16 - 1, | |
789b23bc NF |
1101 | .flags = IORESOURCE_MEM, |
1102 | } | |
1103 | }; | |
1104 | ||
1105 | static struct platform_device at91sam9g45_rtt_device = { | |
1106 | .name = "at91_rtt", | |
1107 | .id = 0, | |
1108 | .resource = rtt_resources, | |
1109 | .num_resources = ARRAY_SIZE(rtt_resources), | |
1110 | }; | |
1111 | ||
1112 | static void __init at91_add_device_rtt(void) | |
1113 | { | |
1114 | platform_device_register(&at91sam9g45_rtt_device); | |
1115 | } | |
1116 | ||
1117 | ||
237a62a1 PK |
1118 | /* -------------------------------------------------------------------- |
1119 | * TRNG | |
1120 | * -------------------------------------------------------------------- */ | |
1121 | ||
1122 | #if defined(CONFIG_HW_RANDOM_ATMEL) || defined(CONFIG_HW_RANDOM_ATMEL_MODULE) | |
1123 | static struct resource trng_resources[] = { | |
1124 | { | |
1125 | .start = AT91SAM9G45_BASE_TRNG, | |
1126 | .end = AT91SAM9G45_BASE_TRNG + SZ_16K - 1, | |
1127 | .flags = IORESOURCE_MEM, | |
1128 | }, | |
1129 | }; | |
1130 | ||
1131 | static struct platform_device at91sam9g45_trng_device = { | |
1132 | .name = "atmel-trng", | |
1133 | .id = -1, | |
1134 | .resource = trng_resources, | |
1135 | .num_resources = ARRAY_SIZE(trng_resources), | |
1136 | }; | |
1137 | ||
1138 | static void __init at91_add_device_trng(void) | |
1139 | { | |
1140 | platform_device_register(&at91sam9g45_trng_device); | |
1141 | } | |
1142 | #else | |
1143 | static void __init at91_add_device_trng(void) {} | |
1144 | #endif | |
1145 | ||
789b23bc NF |
1146 | /* -------------------------------------------------------------------- |
1147 | * Watchdog | |
1148 | * -------------------------------------------------------------------- */ | |
1149 | ||
4726374f | 1150 | #if defined(CONFIG_AT91SAM9X_WATCHDOG) || defined(CONFIG_AT91SAM9X_WATCHDOG_MODULE) |
c1c30a29 JCPV |
1151 | static struct resource wdt_resources[] = { |
1152 | { | |
1153 | .start = AT91SAM9G45_BASE_WDT, | |
1154 | .end = AT91SAM9G45_BASE_WDT + SZ_16 - 1, | |
1155 | .flags = IORESOURCE_MEM, | |
1156 | } | |
1157 | }; | |
1158 | ||
789b23bc NF |
1159 | static struct platform_device at91sam9g45_wdt_device = { |
1160 | .name = "at91_wdt", | |
1161 | .id = -1, | |
c1c30a29 JCPV |
1162 | .resource = wdt_resources, |
1163 | .num_resources = ARRAY_SIZE(wdt_resources), | |
789b23bc NF |
1164 | }; |
1165 | ||
1166 | static void __init at91_add_device_watchdog(void) | |
1167 | { | |
1168 | platform_device_register(&at91sam9g45_wdt_device); | |
1169 | } | |
1170 | #else | |
1171 | static void __init at91_add_device_watchdog(void) {} | |
1172 | #endif | |
1173 | ||
1174 | ||
1175 | /* -------------------------------------------------------------------- | |
1176 | * PWM | |
1177 | * --------------------------------------------------------------------*/ | |
1178 | ||
1179 | #if defined(CONFIG_ATMEL_PWM) || defined(CONFIG_ATMEL_PWM_MODULE) | |
1180 | static u32 pwm_mask; | |
1181 | ||
1182 | static struct resource pwm_resources[] = { | |
1183 | [0] = { | |
1184 | .start = AT91SAM9G45_BASE_PWMC, | |
1185 | .end = AT91SAM9G45_BASE_PWMC + SZ_16K - 1, | |
1186 | .flags = IORESOURCE_MEM, | |
1187 | }, | |
1188 | [1] = { | |
1189 | .start = AT91SAM9G45_ID_PWMC, | |
1190 | .end = AT91SAM9G45_ID_PWMC, | |
1191 | .flags = IORESOURCE_IRQ, | |
1192 | }, | |
1193 | }; | |
1194 | ||
1195 | static struct platform_device at91sam9g45_pwm0_device = { | |
1196 | .name = "atmel_pwm", | |
1197 | .id = -1, | |
1198 | .dev = { | |
1199 | .platform_data = &pwm_mask, | |
1200 | }, | |
1201 | .resource = pwm_resources, | |
1202 | .num_resources = ARRAY_SIZE(pwm_resources), | |
1203 | }; | |
1204 | ||
1205 | void __init at91_add_device_pwm(u32 mask) | |
1206 | { | |
1207 | if (mask & (1 << AT91_PWM0)) | |
1208 | at91_set_B_periph(AT91_PIN_PD24, 1); /* enable PWM0 */ | |
1209 | ||
1210 | if (mask & (1 << AT91_PWM1)) | |
1211 | at91_set_B_periph(AT91_PIN_PD31, 1); /* enable PWM1 */ | |
1212 | ||
1213 | if (mask & (1 << AT91_PWM2)) | |
1214 | at91_set_B_periph(AT91_PIN_PD26, 1); /* enable PWM2 */ | |
1215 | ||
1216 | if (mask & (1 << AT91_PWM3)) | |
1217 | at91_set_B_periph(AT91_PIN_PD0, 1); /* enable PWM3 */ | |
1218 | ||
1219 | pwm_mask = mask; | |
1220 | ||
1221 | platform_device_register(&at91sam9g45_pwm0_device); | |
1222 | } | |
1223 | #else | |
1224 | void __init at91_add_device_pwm(u32 mask) {} | |
1225 | #endif | |
1226 | ||
1227 | ||
1228 | /* -------------------------------------------------------------------- | |
1229 | * SSC -- Synchronous Serial Controller | |
1230 | * -------------------------------------------------------------------- */ | |
1231 | ||
1232 | #if defined(CONFIG_ATMEL_SSC) || defined(CONFIG_ATMEL_SSC_MODULE) | |
1233 | static u64 ssc0_dmamask = DMA_BIT_MASK(32); | |
1234 | ||
1235 | static struct resource ssc0_resources[] = { | |
1236 | [0] = { | |
1237 | .start = AT91SAM9G45_BASE_SSC0, | |
1238 | .end = AT91SAM9G45_BASE_SSC0 + SZ_16K - 1, | |
1239 | .flags = IORESOURCE_MEM, | |
1240 | }, | |
1241 | [1] = { | |
1242 | .start = AT91SAM9G45_ID_SSC0, | |
1243 | .end = AT91SAM9G45_ID_SSC0, | |
1244 | .flags = IORESOURCE_IRQ, | |
1245 | }, | |
1246 | }; | |
1247 | ||
1248 | static struct platform_device at91sam9g45_ssc0_device = { | |
1249 | .name = "ssc", | |
1250 | .id = 0, | |
1251 | .dev = { | |
1252 | .dma_mask = &ssc0_dmamask, | |
1253 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
1254 | }, | |
1255 | .resource = ssc0_resources, | |
1256 | .num_resources = ARRAY_SIZE(ssc0_resources), | |
1257 | }; | |
1258 | ||
1259 | static inline void configure_ssc0_pins(unsigned pins) | |
1260 | { | |
1261 | if (pins & ATMEL_SSC_TF) | |
1262 | at91_set_A_periph(AT91_PIN_PD1, 1); | |
1263 | if (pins & ATMEL_SSC_TK) | |
1264 | at91_set_A_periph(AT91_PIN_PD0, 1); | |
1265 | if (pins & ATMEL_SSC_TD) | |
1266 | at91_set_A_periph(AT91_PIN_PD2, 1); | |
1267 | if (pins & ATMEL_SSC_RD) | |
1268 | at91_set_A_periph(AT91_PIN_PD3, 1); | |
1269 | if (pins & ATMEL_SSC_RK) | |
1270 | at91_set_A_periph(AT91_PIN_PD4, 1); | |
1271 | if (pins & ATMEL_SSC_RF) | |
1272 | at91_set_A_periph(AT91_PIN_PD5, 1); | |
1273 | } | |
1274 | ||
1275 | static u64 ssc1_dmamask = DMA_BIT_MASK(32); | |
1276 | ||
1277 | static struct resource ssc1_resources[] = { | |
1278 | [0] = { | |
1279 | .start = AT91SAM9G45_BASE_SSC1, | |
1280 | .end = AT91SAM9G45_BASE_SSC1 + SZ_16K - 1, | |
1281 | .flags = IORESOURCE_MEM, | |
1282 | }, | |
1283 | [1] = { | |
1284 | .start = AT91SAM9G45_ID_SSC1, | |
1285 | .end = AT91SAM9G45_ID_SSC1, | |
1286 | .flags = IORESOURCE_IRQ, | |
1287 | }, | |
1288 | }; | |
1289 | ||
1290 | static struct platform_device at91sam9g45_ssc1_device = { | |
1291 | .name = "ssc", | |
1292 | .id = 1, | |
1293 | .dev = { | |
1294 | .dma_mask = &ssc1_dmamask, | |
1295 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
1296 | }, | |
1297 | .resource = ssc1_resources, | |
1298 | .num_resources = ARRAY_SIZE(ssc1_resources), | |
1299 | }; | |
1300 | ||
1301 | static inline void configure_ssc1_pins(unsigned pins) | |
1302 | { | |
1303 | if (pins & ATMEL_SSC_TF) | |
1304 | at91_set_A_periph(AT91_PIN_PD14, 1); | |
1305 | if (pins & ATMEL_SSC_TK) | |
1306 | at91_set_A_periph(AT91_PIN_PD12, 1); | |
1307 | if (pins & ATMEL_SSC_TD) | |
1308 | at91_set_A_periph(AT91_PIN_PD10, 1); | |
1309 | if (pins & ATMEL_SSC_RD) | |
1310 | at91_set_A_periph(AT91_PIN_PD11, 1); | |
1311 | if (pins & ATMEL_SSC_RK) | |
1312 | at91_set_A_periph(AT91_PIN_PD13, 1); | |
1313 | if (pins & ATMEL_SSC_RF) | |
1314 | at91_set_A_periph(AT91_PIN_PD15, 1); | |
1315 | } | |
1316 | ||
1317 | /* | |
1318 | * SSC controllers are accessed through library code, instead of any | |
1319 | * kind of all-singing/all-dancing driver. For example one could be | |
1320 | * used by a particular I2S audio codec's driver, while another one | |
1321 | * on the same system might be used by a custom data capture driver. | |
1322 | */ | |
1323 | void __init at91_add_device_ssc(unsigned id, unsigned pins) | |
1324 | { | |
1325 | struct platform_device *pdev; | |
1326 | ||
1327 | /* | |
1328 | * NOTE: caller is responsible for passing information matching | |
1329 | * "pins" to whatever will be using each particular controller. | |
1330 | */ | |
1331 | switch (id) { | |
1332 | case AT91SAM9G45_ID_SSC0: | |
1333 | pdev = &at91sam9g45_ssc0_device; | |
1334 | configure_ssc0_pins(pins); | |
789b23bc NF |
1335 | break; |
1336 | case AT91SAM9G45_ID_SSC1: | |
1337 | pdev = &at91sam9g45_ssc1_device; | |
1338 | configure_ssc1_pins(pins); | |
789b23bc NF |
1339 | break; |
1340 | default: | |
1341 | return; | |
1342 | } | |
1343 | ||
1344 | platform_device_register(pdev); | |
1345 | } | |
1346 | ||
1347 | #else | |
1348 | void __init at91_add_device_ssc(unsigned id, unsigned pins) {} | |
1349 | #endif | |
1350 | ||
1351 | ||
1352 | /* -------------------------------------------------------------------- | |
1353 | * UART | |
1354 | * -------------------------------------------------------------------- */ | |
1355 | ||
1356 | #if defined(CONFIG_SERIAL_ATMEL) | |
1357 | static struct resource dbgu_resources[] = { | |
1358 | [0] = { | |
13079a73 JCPV |
1359 | .start = AT91SAM9G45_BASE_DBGU, |
1360 | .end = AT91SAM9G45_BASE_DBGU + SZ_512 - 1, | |
789b23bc NF |
1361 | .flags = IORESOURCE_MEM, |
1362 | }, | |
1363 | [1] = { | |
1364 | .start = AT91_ID_SYS, | |
1365 | .end = AT91_ID_SYS, | |
1366 | .flags = IORESOURCE_IRQ, | |
1367 | }, | |
1368 | }; | |
1369 | ||
1370 | static struct atmel_uart_data dbgu_data = { | |
1371 | .use_dma_tx = 0, | |
1372 | .use_dma_rx = 0, | |
789b23bc NF |
1373 | }; |
1374 | ||
1375 | static u64 dbgu_dmamask = DMA_BIT_MASK(32); | |
1376 | ||
1377 | static struct platform_device at91sam9g45_dbgu_device = { | |
1378 | .name = "atmel_usart", | |
1379 | .id = 0, | |
1380 | .dev = { | |
1381 | .dma_mask = &dbgu_dmamask, | |
1382 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
1383 | .platform_data = &dbgu_data, | |
1384 | }, | |
1385 | .resource = dbgu_resources, | |
1386 | .num_resources = ARRAY_SIZE(dbgu_resources), | |
1387 | }; | |
1388 | ||
1389 | static inline void configure_dbgu_pins(void) | |
1390 | { | |
1391 | at91_set_A_periph(AT91_PIN_PB12, 0); /* DRXD */ | |
1392 | at91_set_A_periph(AT91_PIN_PB13, 1); /* DTXD */ | |
1393 | } | |
1394 | ||
1395 | static struct resource uart0_resources[] = { | |
1396 | [0] = { | |
1397 | .start = AT91SAM9G45_BASE_US0, | |
1398 | .end = AT91SAM9G45_BASE_US0 + SZ_16K - 1, | |
1399 | .flags = IORESOURCE_MEM, | |
1400 | }, | |
1401 | [1] = { | |
1402 | .start = AT91SAM9G45_ID_US0, | |
1403 | .end = AT91SAM9G45_ID_US0, | |
1404 | .flags = IORESOURCE_IRQ, | |
1405 | }, | |
1406 | }; | |
1407 | ||
1408 | static struct atmel_uart_data uart0_data = { | |
1409 | .use_dma_tx = 1, | |
1410 | .use_dma_rx = 1, | |
1411 | }; | |
1412 | ||
1413 | static u64 uart0_dmamask = DMA_BIT_MASK(32); | |
1414 | ||
1415 | static struct platform_device at91sam9g45_uart0_device = { | |
1416 | .name = "atmel_usart", | |
1417 | .id = 1, | |
1418 | .dev = { | |
1419 | .dma_mask = &uart0_dmamask, | |
1420 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
1421 | .platform_data = &uart0_data, | |
1422 | }, | |
1423 | .resource = uart0_resources, | |
1424 | .num_resources = ARRAY_SIZE(uart0_resources), | |
1425 | }; | |
1426 | ||
1427 | static inline void configure_usart0_pins(unsigned pins) | |
1428 | { | |
1429 | at91_set_A_periph(AT91_PIN_PB19, 1); /* TXD0 */ | |
1430 | at91_set_A_periph(AT91_PIN_PB18, 0); /* RXD0 */ | |
1431 | ||
1432 | if (pins & ATMEL_UART_RTS) | |
1433 | at91_set_B_periph(AT91_PIN_PB17, 0); /* RTS0 */ | |
1434 | if (pins & ATMEL_UART_CTS) | |
1435 | at91_set_B_periph(AT91_PIN_PB15, 0); /* CTS0 */ | |
1436 | } | |
1437 | ||
1438 | static struct resource uart1_resources[] = { | |
1439 | [0] = { | |
1440 | .start = AT91SAM9G45_BASE_US1, | |
1441 | .end = AT91SAM9G45_BASE_US1 + SZ_16K - 1, | |
1442 | .flags = IORESOURCE_MEM, | |
1443 | }, | |
1444 | [1] = { | |
1445 | .start = AT91SAM9G45_ID_US1, | |
1446 | .end = AT91SAM9G45_ID_US1, | |
1447 | .flags = IORESOURCE_IRQ, | |
1448 | }, | |
1449 | }; | |
1450 | ||
1451 | static struct atmel_uart_data uart1_data = { | |
1452 | .use_dma_tx = 1, | |
1453 | .use_dma_rx = 1, | |
1454 | }; | |
1455 | ||
1456 | static u64 uart1_dmamask = DMA_BIT_MASK(32); | |
1457 | ||
1458 | static struct platform_device at91sam9g45_uart1_device = { | |
1459 | .name = "atmel_usart", | |
1460 | .id = 2, | |
1461 | .dev = { | |
1462 | .dma_mask = &uart1_dmamask, | |
1463 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
1464 | .platform_data = &uart1_data, | |
1465 | }, | |
1466 | .resource = uart1_resources, | |
1467 | .num_resources = ARRAY_SIZE(uart1_resources), | |
1468 | }; | |
1469 | ||
1470 | static inline void configure_usart1_pins(unsigned pins) | |
1471 | { | |
1472 | at91_set_A_periph(AT91_PIN_PB4, 1); /* TXD1 */ | |
1473 | at91_set_A_periph(AT91_PIN_PB5, 0); /* RXD1 */ | |
1474 | ||
1475 | if (pins & ATMEL_UART_RTS) | |
1476 | at91_set_A_periph(AT91_PIN_PD16, 0); /* RTS1 */ | |
1477 | if (pins & ATMEL_UART_CTS) | |
1478 | at91_set_A_periph(AT91_PIN_PD17, 0); /* CTS1 */ | |
1479 | } | |
1480 | ||
1481 | static struct resource uart2_resources[] = { | |
1482 | [0] = { | |
1483 | .start = AT91SAM9G45_BASE_US2, | |
1484 | .end = AT91SAM9G45_BASE_US2 + SZ_16K - 1, | |
1485 | .flags = IORESOURCE_MEM, | |
1486 | }, | |
1487 | [1] = { | |
1488 | .start = AT91SAM9G45_ID_US2, | |
1489 | .end = AT91SAM9G45_ID_US2, | |
1490 | .flags = IORESOURCE_IRQ, | |
1491 | }, | |
1492 | }; | |
1493 | ||
1494 | static struct atmel_uart_data uart2_data = { | |
1495 | .use_dma_tx = 1, | |
1496 | .use_dma_rx = 1, | |
1497 | }; | |
1498 | ||
1499 | static u64 uart2_dmamask = DMA_BIT_MASK(32); | |
1500 | ||
1501 | static struct platform_device at91sam9g45_uart2_device = { | |
1502 | .name = "atmel_usart", | |
1503 | .id = 3, | |
1504 | .dev = { | |
1505 | .dma_mask = &uart2_dmamask, | |
1506 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
1507 | .platform_data = &uart2_data, | |
1508 | }, | |
1509 | .resource = uart2_resources, | |
1510 | .num_resources = ARRAY_SIZE(uart2_resources), | |
1511 | }; | |
1512 | ||
1513 | static inline void configure_usart2_pins(unsigned pins) | |
1514 | { | |
1515 | at91_set_A_periph(AT91_PIN_PB6, 1); /* TXD2 */ | |
1516 | at91_set_A_periph(AT91_PIN_PB7, 0); /* RXD2 */ | |
1517 | ||
1518 | if (pins & ATMEL_UART_RTS) | |
1519 | at91_set_B_periph(AT91_PIN_PC9, 0); /* RTS2 */ | |
1520 | if (pins & ATMEL_UART_CTS) | |
1521 | at91_set_B_periph(AT91_PIN_PC11, 0); /* CTS2 */ | |
1522 | } | |
1523 | ||
1524 | static struct resource uart3_resources[] = { | |
1525 | [0] = { | |
1526 | .start = AT91SAM9G45_BASE_US3, | |
1527 | .end = AT91SAM9G45_BASE_US3 + SZ_16K - 1, | |
1528 | .flags = IORESOURCE_MEM, | |
1529 | }, | |
1530 | [1] = { | |
1531 | .start = AT91SAM9G45_ID_US3, | |
1532 | .end = AT91SAM9G45_ID_US3, | |
1533 | .flags = IORESOURCE_IRQ, | |
1534 | }, | |
1535 | }; | |
1536 | ||
1537 | static struct atmel_uart_data uart3_data = { | |
1538 | .use_dma_tx = 1, | |
1539 | .use_dma_rx = 1, | |
1540 | }; | |
1541 | ||
1542 | static u64 uart3_dmamask = DMA_BIT_MASK(32); | |
1543 | ||
1544 | static struct platform_device at91sam9g45_uart3_device = { | |
1545 | .name = "atmel_usart", | |
1546 | .id = 4, | |
1547 | .dev = { | |
1548 | .dma_mask = &uart3_dmamask, | |
1549 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
1550 | .platform_data = &uart3_data, | |
1551 | }, | |
1552 | .resource = uart3_resources, | |
1553 | .num_resources = ARRAY_SIZE(uart3_resources), | |
1554 | }; | |
1555 | ||
1556 | static inline void configure_usart3_pins(unsigned pins) | |
1557 | { | |
1558 | at91_set_A_periph(AT91_PIN_PB8, 1); /* TXD3 */ | |
1559 | at91_set_A_periph(AT91_PIN_PB9, 0); /* RXD3 */ | |
1560 | ||
1561 | if (pins & ATMEL_UART_RTS) | |
1562 | at91_set_B_periph(AT91_PIN_PA23, 0); /* RTS3 */ | |
1563 | if (pins & ATMEL_UART_CTS) | |
1564 | at91_set_B_periph(AT91_PIN_PA24, 0); /* CTS3 */ | |
1565 | } | |
1566 | ||
1567 | static struct platform_device *__initdata at91_uarts[ATMEL_MAX_UART]; /* the UARTs to use */ | |
1568 | struct platform_device *atmel_default_console_device; /* the serial console device */ | |
1569 | ||
1570 | void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins) | |
1571 | { | |
1572 | struct platform_device *pdev; | |
2b348e2f | 1573 | struct atmel_uart_data *pdata; |
789b23bc NF |
1574 | |
1575 | switch (id) { | |
1576 | case 0: /* DBGU */ | |
1577 | pdev = &at91sam9g45_dbgu_device; | |
1578 | configure_dbgu_pins(); | |
789b23bc NF |
1579 | break; |
1580 | case AT91SAM9G45_ID_US0: | |
1581 | pdev = &at91sam9g45_uart0_device; | |
1582 | configure_usart0_pins(pins); | |
789b23bc NF |
1583 | break; |
1584 | case AT91SAM9G45_ID_US1: | |
1585 | pdev = &at91sam9g45_uart1_device; | |
1586 | configure_usart1_pins(pins); | |
789b23bc NF |
1587 | break; |
1588 | case AT91SAM9G45_ID_US2: | |
1589 | pdev = &at91sam9g45_uart2_device; | |
1590 | configure_usart2_pins(pins); | |
789b23bc NF |
1591 | break; |
1592 | case AT91SAM9G45_ID_US3: | |
1593 | pdev = &at91sam9g45_uart3_device; | |
1594 | configure_usart3_pins(pins); | |
789b23bc NF |
1595 | break; |
1596 | default: | |
1597 | return; | |
1598 | } | |
2b348e2f JCPV |
1599 | pdata = pdev->dev.platform_data; |
1600 | pdata->num = portnr; /* update to mapped ID */ | |
789b23bc NF |
1601 | |
1602 | if (portnr < ATMEL_MAX_UART) | |
1603 | at91_uarts[portnr] = pdev; | |
1604 | } | |
1605 | ||
1606 | void __init at91_set_serial_console(unsigned portnr) | |
1607 | { | |
bd602995 | 1608 | if (portnr < ATMEL_MAX_UART) { |
789b23bc | 1609 | atmel_default_console_device = at91_uarts[portnr]; |
5c1f9668 | 1610 | at91sam9g45_set_console_clock(at91_uarts[portnr]->id); |
bd602995 | 1611 | } |
789b23bc NF |
1612 | } |
1613 | ||
1614 | void __init at91_add_device_serial(void) | |
1615 | { | |
1616 | int i; | |
1617 | ||
1618 | for (i = 0; i < ATMEL_MAX_UART; i++) { | |
1619 | if (at91_uarts[i]) | |
1620 | platform_device_register(at91_uarts[i]); | |
1621 | } | |
1622 | ||
1623 | if (!atmel_default_console_device) | |
1624 | printk(KERN_INFO "AT91: No default serial console defined.\n"); | |
1625 | } | |
1626 | #else | |
1627 | void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins) {} | |
1628 | void __init at91_set_serial_console(unsigned portnr) {} | |
1629 | void __init at91_add_device_serial(void) {} | |
1630 | #endif | |
1631 | ||
1632 | ||
1633 | /* -------------------------------------------------------------------- */ | |
1634 | /* | |
1635 | * These devices are always present and don't need any board-specific | |
1636 | * setup. | |
1637 | */ | |
1638 | static int __init at91_add_standard_devices(void) | |
1639 | { | |
40262b2b | 1640 | at91_add_device_hdmac(); |
789b23bc NF |
1641 | at91_add_device_rtc(); |
1642 | at91_add_device_rtt(); | |
237a62a1 | 1643 | at91_add_device_trng(); |
789b23bc NF |
1644 | at91_add_device_watchdog(); |
1645 | at91_add_device_tc(); | |
1646 | return 0; | |
1647 | } | |
1648 | ||
1649 | arch_initcall(at91_add_standard_devices); |