Commit | Line | Data |
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73a59c1c | 1 | /* |
9d041268 | 2 | * arch/arm/mach-at91/at91rm9200_devices.c |
73a59c1c SP |
3 | * |
4 | * Copyright (C) 2005 Thibaut VARENE <varenet@parisc-linux.org> | |
5 | * Copyright (C) 2005 David Brownell | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation; either version 2 of the License, or | |
10 | * (at your option) any later version. | |
11 | * | |
12 | */ | |
13 | #include <asm/mach/arch.h> | |
14 | #include <asm/mach/map.h> | |
15 | ||
73a59c1c SP |
16 | #include <linux/platform_device.h> |
17 | ||
18 | #include <asm/arch/board.h> | |
2e836402 | 19 | #include <asm/arch/gpio.h> |
69c5eccd AV |
20 | #include <asm/arch/at91rm9200.h> |
21 | #include <asm/arch/at91rm9200_mc.h> | |
73a59c1c | 22 | |
2e836402 AV |
23 | #include "generic.h" |
24 | ||
25 | #define SZ_512 0x00000200 | |
26 | #define SZ_256 0x00000100 | |
27 | #define SZ_16 0x00000010 | |
73a59c1c SP |
28 | |
29 | /* -------------------------------------------------------------------- | |
30 | * USB Host | |
31 | * -------------------------------------------------------------------- */ | |
32 | ||
33 | #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) | |
34 | static u64 ohci_dmamask = 0xffffffffUL; | |
35 | static struct at91_usbh_data usbh_data; | |
36 | ||
69c5eccd | 37 | static struct resource usbh_resources[] = { |
73a59c1c | 38 | [0] = { |
72729910 AV |
39 | .start = AT91RM9200_UHP_BASE, |
40 | .end = AT91RM9200_UHP_BASE + SZ_1M - 1, | |
73a59c1c SP |
41 | .flags = IORESOURCE_MEM, |
42 | }, | |
43 | [1] = { | |
72729910 AV |
44 | .start = AT91RM9200_ID_UHP, |
45 | .end = AT91RM9200_ID_UHP, | |
73a59c1c SP |
46 | .flags = IORESOURCE_IRQ, |
47 | }, | |
48 | }; | |
49 | ||
50 | static struct platform_device at91rm9200_usbh_device = { | |
2e836402 | 51 | .name = "at91_ohci", |
73a59c1c SP |
52 | .id = -1, |
53 | .dev = { | |
54 | .dma_mask = &ohci_dmamask, | |
55 | .coherent_dma_mask = 0xffffffff, | |
56 | .platform_data = &usbh_data, | |
57 | }, | |
69c5eccd AV |
58 | .resource = usbh_resources, |
59 | .num_resources = ARRAY_SIZE(usbh_resources), | |
73a59c1c SP |
60 | }; |
61 | ||
62 | void __init at91_add_device_usbh(struct at91_usbh_data *data) | |
63 | { | |
64 | if (!data) | |
65 | return; | |
66 | ||
67 | usbh_data = *data; | |
68 | platform_device_register(&at91rm9200_usbh_device); | |
69 | } | |
70 | #else | |
71 | void __init at91_add_device_usbh(struct at91_usbh_data *data) {} | |
72 | #endif | |
73 | ||
74 | ||
75 | /* -------------------------------------------------------------------- | |
76 | * USB Device (Gadget) | |
77 | * -------------------------------------------------------------------- */ | |
78 | ||
79 | #ifdef CONFIG_USB_GADGET_AT91 | |
80 | static struct at91_udc_data udc_data; | |
81 | ||
69c5eccd | 82 | static struct resource udc_resources[] = { |
2e836402 | 83 | [0] = { |
72729910 AV |
84 | .start = AT91RM9200_BASE_UDP, |
85 | .end = AT91RM9200_BASE_UDP + SZ_16K - 1, | |
73a59c1c | 86 | .flags = IORESOURCE_MEM, |
2e836402 AV |
87 | }, |
88 | [1] = { | |
72729910 AV |
89 | .start = AT91RM9200_ID_UDP, |
90 | .end = AT91RM9200_ID_UDP, | |
2e836402 AV |
91 | .flags = IORESOURCE_IRQ, |
92 | }, | |
73a59c1c SP |
93 | }; |
94 | ||
95 | static struct platform_device at91rm9200_udc_device = { | |
96 | .name = "at91_udc", | |
97 | .id = -1, | |
98 | .dev = { | |
99 | .platform_data = &udc_data, | |
100 | }, | |
69c5eccd AV |
101 | .resource = udc_resources, |
102 | .num_resources = ARRAY_SIZE(udc_resources), | |
73a59c1c SP |
103 | }; |
104 | ||
105 | void __init at91_add_device_udc(struct at91_udc_data *data) | |
106 | { | |
107 | if (!data) | |
108 | return; | |
109 | ||
110 | if (data->vbus_pin) { | |
111 | at91_set_gpio_input(data->vbus_pin, 0); | |
112 | at91_set_deglitch(data->vbus_pin, 1); | |
113 | } | |
2e836402 | 114 | if (data->pullup_pin) |
73a59c1c SP |
115 | at91_set_gpio_output(data->pullup_pin, 0); |
116 | ||
117 | udc_data = *data; | |
118 | platform_device_register(&at91rm9200_udc_device); | |
119 | } | |
120 | #else | |
121 | void __init at91_add_device_udc(struct at91_udc_data *data) {} | |
122 | #endif | |
123 | ||
124 | ||
125 | /* -------------------------------------------------------------------- | |
126 | * Ethernet | |
127 | * -------------------------------------------------------------------- */ | |
128 | ||
129 | #if defined(CONFIG_ARM_AT91_ETHER) || defined(CONFIG_ARM_AT91_ETHER_MODULE) | |
130 | static u64 eth_dmamask = 0xffffffffUL; | |
131 | static struct at91_eth_data eth_data; | |
132 | ||
69c5eccd | 133 | static struct resource eth_resources[] = { |
3267c077 | 134 | [0] = { |
1f51c10c AV |
135 | .start = AT91_VA_BASE_EMAC, |
136 | .end = AT91_VA_BASE_EMAC + SZ_16K - 1, | |
3267c077 AV |
137 | .flags = IORESOURCE_MEM, |
138 | }, | |
139 | [1] = { | |
72729910 AV |
140 | .start = AT91RM9200_ID_EMAC, |
141 | .end = AT91RM9200_ID_EMAC, | |
3267c077 AV |
142 | .flags = IORESOURCE_IRQ, |
143 | }, | |
144 | }; | |
145 | ||
73a59c1c SP |
146 | static struct platform_device at91rm9200_eth_device = { |
147 | .name = "at91_ether", | |
148 | .id = -1, | |
149 | .dev = { | |
150 | .dma_mask = ð_dmamask, | |
151 | .coherent_dma_mask = 0xffffffff, | |
152 | .platform_data = ð_data, | |
153 | }, | |
69c5eccd AV |
154 | .resource = eth_resources, |
155 | .num_resources = ARRAY_SIZE(eth_resources), | |
73a59c1c SP |
156 | }; |
157 | ||
158 | void __init at91_add_device_eth(struct at91_eth_data *data) | |
159 | { | |
160 | if (!data) | |
161 | return; | |
162 | ||
163 | if (data->phy_irq_pin) { | |
164 | at91_set_gpio_input(data->phy_irq_pin, 0); | |
165 | at91_set_deglitch(data->phy_irq_pin, 1); | |
166 | } | |
167 | ||
168 | /* Pins used for MII and RMII */ | |
169 | at91_set_A_periph(AT91_PIN_PA16, 0); /* EMDIO */ | |
170 | at91_set_A_periph(AT91_PIN_PA15, 0); /* EMDC */ | |
171 | at91_set_A_periph(AT91_PIN_PA14, 0); /* ERXER */ | |
172 | at91_set_A_periph(AT91_PIN_PA13, 0); /* ERX1 */ | |
173 | at91_set_A_periph(AT91_PIN_PA12, 0); /* ERX0 */ | |
174 | at91_set_A_periph(AT91_PIN_PA11, 0); /* ECRS_ECRSDV */ | |
175 | at91_set_A_periph(AT91_PIN_PA10, 0); /* ETX1 */ | |
176 | at91_set_A_periph(AT91_PIN_PA9, 0); /* ETX0 */ | |
177 | at91_set_A_periph(AT91_PIN_PA8, 0); /* ETXEN */ | |
178 | at91_set_A_periph(AT91_PIN_PA7, 0); /* ETXCK_EREFCK */ | |
179 | ||
180 | if (!data->is_rmii) { | |
181 | at91_set_B_periph(AT91_PIN_PB19, 0); /* ERXCK */ | |
182 | at91_set_B_periph(AT91_PIN_PB18, 0); /* ECOL */ | |
183 | at91_set_B_periph(AT91_PIN_PB17, 0); /* ERXDV */ | |
184 | at91_set_B_periph(AT91_PIN_PB16, 0); /* ERX3 */ | |
185 | at91_set_B_periph(AT91_PIN_PB15, 0); /* ERX2 */ | |
186 | at91_set_B_periph(AT91_PIN_PB14, 0); /* ETXER */ | |
187 | at91_set_B_periph(AT91_PIN_PB13, 0); /* ETX3 */ | |
188 | at91_set_B_periph(AT91_PIN_PB12, 0); /* ETX2 */ | |
189 | } | |
190 | ||
191 | eth_data = *data; | |
192 | platform_device_register(&at91rm9200_eth_device); | |
193 | } | |
194 | #else | |
195 | void __init at91_add_device_eth(struct at91_eth_data *data) {} | |
196 | #endif | |
197 | ||
198 | ||
199 | /* -------------------------------------------------------------------- | |
200 | * Compact Flash / PCMCIA | |
201 | * -------------------------------------------------------------------- */ | |
202 | ||
203 | #if defined(CONFIG_AT91_CF) || defined(CONFIG_AT91_CF_MODULE) | |
204 | static struct at91_cf_data cf_data; | |
205 | ||
69c5eccd AV |
206 | #define CF_BASE AT91_CHIPSELECT_4 |
207 | ||
208 | static struct resource cf_resources[] = { | |
2c536200 | 209 | [0] = { |
69c5eccd | 210 | .start = CF_BASE, |
2e836402 | 211 | /* ties up CS4, CS5 and CS6 */ |
69c5eccd | 212 | .end = CF_BASE + (0x30000000 - 1), |
2c536200 DB |
213 | .flags = IORESOURCE_MEM | IORESOURCE_MEM_8AND16BIT, |
214 | }, | |
215 | }; | |
216 | ||
73a59c1c SP |
217 | static struct platform_device at91rm9200_cf_device = { |
218 | .name = "at91_cf", | |
219 | .id = -1, | |
220 | .dev = { | |
221 | .platform_data = &cf_data, | |
222 | }, | |
69c5eccd AV |
223 | .resource = cf_resources, |
224 | .num_resources = ARRAY_SIZE(cf_resources), | |
73a59c1c SP |
225 | }; |
226 | ||
227 | void __init at91_add_device_cf(struct at91_cf_data *data) | |
228 | { | |
69c5eccd AV |
229 | unsigned int csa; |
230 | ||
73a59c1c SP |
231 | if (!data) |
232 | return; | |
233 | ||
69c5eccd AV |
234 | data->chipselect = 4; /* can only use EBI ChipSelect 4 */ |
235 | ||
236 | /* CF takes over CS4, CS5, CS6 */ | |
237 | csa = at91_sys_read(AT91_EBI_CSA); | |
238 | at91_sys_write(AT91_EBI_CSA, csa | AT91_EBI_CS4A_SMC_COMPACTFLASH); | |
239 | ||
240 | /* | |
241 | * Static memory controller timing adjustments. | |
242 | * REVISIT: these timings are in terms of MCK cycles, so | |
243 | * when MCK changes (cpufreq etc) so must these values... | |
244 | */ | |
245 | at91_sys_write(AT91_SMC_CSR(4), | |
246 | AT91_SMC_ACSS_STD | |
247 | | AT91_SMC_DBW_16 | |
248 | | AT91_SMC_BAT | |
249 | | AT91_SMC_WSEN | |
250 | | AT91_SMC_NWS_(32) /* wait states */ | |
251 | | AT91_SMC_RWSETUP_(6) /* setup time */ | |
252 | | AT91_SMC_RWHOLD_(4) /* hold time */ | |
253 | ); | |
254 | ||
73a59c1c SP |
255 | /* input/irq */ |
256 | if (data->irq_pin) { | |
257 | at91_set_gpio_input(data->irq_pin, 1); | |
258 | at91_set_deglitch(data->irq_pin, 1); | |
259 | } | |
260 | at91_set_gpio_input(data->det_pin, 1); | |
261 | at91_set_deglitch(data->det_pin, 1); | |
262 | ||
263 | /* outputs, initially off */ | |
264 | if (data->vcc_pin) | |
265 | at91_set_gpio_output(data->vcc_pin, 0); | |
266 | at91_set_gpio_output(data->rst_pin, 0); | |
267 | ||
2e836402 AV |
268 | /* force poweron defaults for these pins ... */ |
269 | at91_set_A_periph(AT91_PIN_PC9, 0); /* A25/CFRNW */ | |
270 | at91_set_A_periph(AT91_PIN_PC10, 0); /* NCS4/CFCS */ | |
271 | at91_set_A_periph(AT91_PIN_PC11, 0); /* NCS5/CFCE1 */ | |
272 | at91_set_A_periph(AT91_PIN_PC12, 0); /* NCS6/CFCE2 */ | |
273 | ||
69c5eccd | 274 | /* nWAIT is _not_ a default setting */ |
a14d5273 | 275 | at91_set_A_periph(AT91_PIN_PC6, 1); /* nWAIT */ |
69c5eccd | 276 | |
73a59c1c SP |
277 | cf_data = *data; |
278 | platform_device_register(&at91rm9200_cf_device); | |
279 | } | |
280 | #else | |
281 | void __init at91_add_device_cf(struct at91_cf_data *data) {} | |
282 | #endif | |
283 | ||
284 | ||
285 | /* -------------------------------------------------------------------- | |
286 | * MMC / SD | |
287 | * -------------------------------------------------------------------- */ | |
288 | ||
69c5eccd | 289 | #if defined(CONFIG_MMC_AT91) || defined(CONFIG_MMC_AT91_MODULE) |
73a59c1c SP |
290 | static u64 mmc_dmamask = 0xffffffffUL; |
291 | static struct at91_mmc_data mmc_data; | |
292 | ||
69c5eccd | 293 | static struct resource mmc_resources[] = { |
3267c077 | 294 | [0] = { |
72729910 AV |
295 | .start = AT91RM9200_BASE_MCI, |
296 | .end = AT91RM9200_BASE_MCI + SZ_16K - 1, | |
73a59c1c | 297 | .flags = IORESOURCE_MEM, |
3267c077 AV |
298 | }, |
299 | [1] = { | |
72729910 AV |
300 | .start = AT91RM9200_ID_MCI, |
301 | .end = AT91RM9200_ID_MCI, | |
3267c077 AV |
302 | .flags = IORESOURCE_IRQ, |
303 | }, | |
73a59c1c SP |
304 | }; |
305 | ||
306 | static struct platform_device at91rm9200_mmc_device = { | |
3267c077 | 307 | .name = "at91_mci", |
73a59c1c SP |
308 | .id = -1, |
309 | .dev = { | |
310 | .dma_mask = &mmc_dmamask, | |
311 | .coherent_dma_mask = 0xffffffff, | |
312 | .platform_data = &mmc_data, | |
313 | }, | |
69c5eccd AV |
314 | .resource = mmc_resources, |
315 | .num_resources = ARRAY_SIZE(mmc_resources), | |
73a59c1c SP |
316 | }; |
317 | ||
318 | void __init at91_add_device_mmc(struct at91_mmc_data *data) | |
319 | { | |
320 | if (!data) | |
321 | return; | |
322 | ||
323 | /* input/irq */ | |
324 | if (data->det_pin) { | |
325 | at91_set_gpio_input(data->det_pin, 1); | |
326 | at91_set_deglitch(data->det_pin, 1); | |
327 | } | |
328 | if (data->wp_pin) | |
329 | at91_set_gpio_input(data->wp_pin, 1); | |
69c5eccd AV |
330 | if (data->vcc_pin) |
331 | at91_set_gpio_output(data->vcc_pin, 0); | |
73a59c1c SP |
332 | |
333 | /* CLK */ | |
334 | at91_set_A_periph(AT91_PIN_PA27, 0); | |
335 | ||
69c5eccd | 336 | if (data->slot_b) { |
73a59c1c | 337 | /* CMD */ |
69c5eccd | 338 | at91_set_B_periph(AT91_PIN_PA8, 1); |
73a59c1c SP |
339 | |
340 | /* DAT0, maybe DAT1..DAT3 */ | |
69c5eccd | 341 | at91_set_B_periph(AT91_PIN_PA9, 1); |
73a59c1c | 342 | if (data->wire4) { |
69c5eccd AV |
343 | at91_set_B_periph(AT91_PIN_PA10, 1); |
344 | at91_set_B_periph(AT91_PIN_PA11, 1); | |
345 | at91_set_B_periph(AT91_PIN_PA12, 1); | |
73a59c1c SP |
346 | } |
347 | } else { | |
348 | /* CMD */ | |
69c5eccd | 349 | at91_set_A_periph(AT91_PIN_PA28, 1); |
73a59c1c SP |
350 | |
351 | /* DAT0, maybe DAT1..DAT3 */ | |
69c5eccd | 352 | at91_set_A_periph(AT91_PIN_PA29, 1); |
73a59c1c | 353 | if (data->wire4) { |
69c5eccd AV |
354 | at91_set_B_periph(AT91_PIN_PB3, 1); |
355 | at91_set_B_periph(AT91_PIN_PB4, 1); | |
356 | at91_set_B_periph(AT91_PIN_PB5, 1); | |
73a59c1c SP |
357 | } |
358 | } | |
359 | ||
360 | mmc_data = *data; | |
361 | platform_device_register(&at91rm9200_mmc_device); | |
362 | } | |
363 | #else | |
364 | void __init at91_add_device_mmc(struct at91_mmc_data *data) {} | |
365 | #endif | |
366 | ||
2e836402 | 367 | |
3267c077 AV |
368 | /* -------------------------------------------------------------------- |
369 | * NAND / SmartMedia | |
370 | * -------------------------------------------------------------------- */ | |
371 | ||
372 | #if defined(CONFIG_MTD_NAND_AT91) || defined(CONFIG_MTD_NAND_AT91_MODULE) | |
373 | static struct at91_nand_data nand_data; | |
374 | ||
69c5eccd AV |
375 | #define NAND_BASE AT91_CHIPSELECT_3 |
376 | ||
377 | static struct resource nand_resources[] = { | |
3267c077 | 378 | { |
69c5eccd AV |
379 | .start = NAND_BASE, |
380 | .end = NAND_BASE + SZ_8M - 1, | |
3267c077 AV |
381 | .flags = IORESOURCE_MEM, |
382 | } | |
383 | }; | |
384 | ||
69c5eccd | 385 | static struct platform_device at91rm9200_nand_device = { |
3267c077 AV |
386 | .name = "at91_nand", |
387 | .id = -1, | |
388 | .dev = { | |
389 | .platform_data = &nand_data, | |
390 | }, | |
69c5eccd AV |
391 | .resource = nand_resources, |
392 | .num_resources = ARRAY_SIZE(nand_resources), | |
3267c077 AV |
393 | }; |
394 | ||
395 | void __init at91_add_device_nand(struct at91_nand_data *data) | |
396 | { | |
69c5eccd AV |
397 | unsigned int csa; |
398 | ||
3267c077 AV |
399 | if (!data) |
400 | return; | |
401 | ||
69c5eccd AV |
402 | /* enable the address range of CS3 */ |
403 | csa = at91_sys_read(AT91_EBI_CSA); | |
404 | at91_sys_write(AT91_EBI_CSA, csa | AT91_EBI_CS3A_SMC_SMARTMEDIA); | |
405 | ||
406 | /* set the bus interface characteristics */ | |
407 | at91_sys_write(AT91_SMC_CSR(3), AT91_SMC_ACSS_STD | AT91_SMC_DBW_8 | AT91_SMC_WSEN | |
408 | | AT91_SMC_NWS_(5) | |
409 | | AT91_SMC_TDF_(1) | |
410 | | AT91_SMC_RWSETUP_(0) /* tDS Data Set up Time 30 - ns */ | |
411 | | AT91_SMC_RWHOLD_(1) /* tDH Data Hold Time 20 - ns */ | |
412 | ); | |
413 | ||
3267c077 AV |
414 | /* enable pin */ |
415 | if (data->enable_pin) | |
416 | at91_set_gpio_output(data->enable_pin, 1); | |
417 | ||
418 | /* ready/busy pin */ | |
419 | if (data->rdy_pin) | |
420 | at91_set_gpio_input(data->rdy_pin, 1); | |
421 | ||
422 | /* card detect pin */ | |
423 | if (data->det_pin) | |
424 | at91_set_gpio_input(data->det_pin, 1); | |
425 | ||
426 | at91_set_A_periph(AT91_PIN_PC1, 0); /* SMOE */ | |
427 | at91_set_A_periph(AT91_PIN_PC3, 0); /* SMWE */ | |
428 | ||
429 | nand_data = *data; | |
69c5eccd | 430 | platform_device_register(&at91rm9200_nand_device); |
3267c077 AV |
431 | } |
432 | #else | |
433 | void __init at91_add_device_nand(struct at91_nand_data *data) {} | |
434 | #endif | |
435 | ||
436 | ||
437 | /* -------------------------------------------------------------------- | |
438 | * TWI (i2c) | |
439 | * -------------------------------------------------------------------- */ | |
440 | ||
441 | #if defined(CONFIG_I2C_AT91) || defined(CONFIG_I2C_AT91_MODULE) | |
69c5eccd AV |
442 | |
443 | static struct resource twi_resources[] = { | |
444 | [0] = { | |
445 | .start = AT91RM9200_BASE_TWI, | |
446 | .end = AT91RM9200_BASE_TWI + SZ_16K - 1, | |
447 | .flags = IORESOURCE_MEM, | |
448 | }, | |
449 | [1] = { | |
450 | .start = AT91RM9200_ID_TWI, | |
451 | .end = AT91RM9200_ID_TWI, | |
452 | .flags = IORESOURCE_IRQ, | |
453 | }, | |
454 | }; | |
455 | ||
3267c077 AV |
456 | static struct platform_device at91rm9200_twi_device = { |
457 | .name = "at91_i2c", | |
458 | .id = -1, | |
69c5eccd AV |
459 | .resource = twi_resources, |
460 | .num_resources = ARRAY_SIZE(twi_resources), | |
3267c077 AV |
461 | }; |
462 | ||
463 | void __init at91_add_device_i2c(void) | |
464 | { | |
465 | /* pins used for TWI interface */ | |
466 | at91_set_A_periph(AT91_PIN_PA25, 0); /* TWD */ | |
467 | at91_set_multi_drive(AT91_PIN_PA25, 1); | |
468 | ||
469 | at91_set_A_periph(AT91_PIN_PA26, 0); /* TWCK */ | |
470 | at91_set_multi_drive(AT91_PIN_PA26, 1); | |
471 | ||
472 | platform_device_register(&at91rm9200_twi_device); | |
473 | } | |
474 | #else | |
475 | void __init at91_add_device_i2c(void) {} | |
476 | #endif | |
477 | ||
478 | ||
2e836402 AV |
479 | /* -------------------------------------------------------------------- |
480 | * SPI | |
481 | * -------------------------------------------------------------------- */ | |
482 | ||
483 | #if defined(CONFIG_SPI_AT91) || defined(CONFIG_SPI_AT91_MODULE) || defined(CONFIG_AT91_SPI) || defined(CONFIG_AT91_SPI_MODULE) | |
484 | static u64 spi_dmamask = 0xffffffffUL; | |
485 | ||
69c5eccd | 486 | static struct resource spi_resources[] = { |
2e836402 | 487 | [0] = { |
72729910 AV |
488 | .start = AT91RM9200_BASE_SPI, |
489 | .end = AT91RM9200_BASE_SPI + SZ_16K - 1, | |
2e836402 AV |
490 | .flags = IORESOURCE_MEM, |
491 | }, | |
492 | [1] = { | |
72729910 AV |
493 | .start = AT91RM9200_ID_SPI, |
494 | .end = AT91RM9200_ID_SPI, | |
2e836402 AV |
495 | .flags = IORESOURCE_IRQ, |
496 | }, | |
497 | }; | |
498 | ||
499 | static struct platform_device at91rm9200_spi_device = { | |
500 | .name = "at91_spi", | |
501 | .id = 0, | |
502 | .dev = { | |
69c5eccd AV |
503 | .dma_mask = &spi_dmamask, |
504 | .coherent_dma_mask = 0xffffffff, | |
2e836402 | 505 | }, |
69c5eccd AV |
506 | .resource = spi_resources, |
507 | .num_resources = ARRAY_SIZE(spi_resources), | |
2e836402 AV |
508 | }; |
509 | ||
69c5eccd | 510 | static const unsigned spi_standard_cs[4] = { AT91_PIN_PA3, AT91_PIN_PA4, AT91_PIN_PA5, AT91_PIN_PA6 }; |
2e836402 AV |
511 | |
512 | void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices) | |
513 | { | |
514 | int i; | |
515 | unsigned long cs_pin; | |
516 | ||
517 | at91_set_A_periph(AT91_PIN_PA0, 0); /* MISO */ | |
518 | at91_set_A_periph(AT91_PIN_PA1, 0); /* MOSI */ | |
519 | at91_set_A_periph(AT91_PIN_PA2, 0); /* SPCK */ | |
520 | ||
521 | /* Enable SPI chip-selects */ | |
522 | for (i = 0; i < nr_devices; i++) { | |
523 | if (devices[i].controller_data) | |
524 | cs_pin = (unsigned long) devices[i].controller_data; | |
525 | else | |
69c5eccd | 526 | cs_pin = spi_standard_cs[devices[i].chip_select]; |
2e836402 AV |
527 | |
528 | #ifdef CONFIG_SPI_AT91_MANUAL_CS | |
529 | at91_set_gpio_output(cs_pin, 1); | |
530 | #else | |
531 | at91_set_A_periph(cs_pin, 0); | |
532 | #endif | |
533 | ||
534 | /* pass chip-select pin to driver */ | |
535 | devices[i].controller_data = (void *) cs_pin; | |
536 | } | |
537 | ||
538 | spi_register_board_info(devices, nr_devices); | |
69c5eccd | 539 | at91_clock_associate("spi_clk", &at91rm9200_spi_device.dev, "spi"); |
2e836402 AV |
540 | platform_device_register(&at91rm9200_spi_device); |
541 | } | |
542 | #else | |
543 | void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices) {} | |
544 | #endif | |
545 | ||
546 | ||
3267c077 AV |
547 | /* -------------------------------------------------------------------- |
548 | * RTC | |
549 | * -------------------------------------------------------------------- */ | |
550 | ||
69c5eccd | 551 | #if defined(CONFIG_RTC_DRV_AT91RM9200) || defined(CONFIG_RTC_DRV_AT91RM9200_MODULE) |
3267c077 AV |
552 | static struct platform_device at91rm9200_rtc_device = { |
553 | .name = "at91_rtc", | |
554 | .id = -1, | |
555 | .num_resources = 0, | |
556 | }; | |
557 | ||
2e836402 | 558 | static void __init at91_add_device_rtc(void) |
3267c077 AV |
559 | { |
560 | platform_device_register(&at91rm9200_rtc_device); | |
561 | } | |
562 | #else | |
2e836402 AV |
563 | static void __init at91_add_device_rtc(void) {} |
564 | #endif | |
565 | ||
566 | ||
567 | /* -------------------------------------------------------------------- | |
568 | * Watchdog | |
569 | * -------------------------------------------------------------------- */ | |
570 | ||
69c5eccd | 571 | #if defined(CONFIG_AT91RM9200_WATCHDOG) || defined(CONFIG_AT91RM9200_WATCHDOG_MODULE) |
2e836402 AV |
572 | static struct platform_device at91rm9200_wdt_device = { |
573 | .name = "at91_wdt", | |
574 | .id = -1, | |
575 | .num_resources = 0, | |
576 | }; | |
577 | ||
578 | static void __init at91_add_device_watchdog(void) | |
579 | { | |
580 | platform_device_register(&at91rm9200_wdt_device); | |
581 | } | |
582 | #else | |
583 | static void __init at91_add_device_watchdog(void) {} | |
3267c077 AV |
584 | #endif |
585 | ||
586 | ||
cc2832a1 AV |
587 | /* -------------------------------------------------------------------- |
588 | * LEDs | |
589 | * -------------------------------------------------------------------- */ | |
590 | ||
591 | #if defined(CONFIG_LEDS) | |
592 | u8 at91_leds_cpu; | |
593 | u8 at91_leds_timer; | |
594 | ||
595 | void __init at91_init_leds(u8 cpu_led, u8 timer_led) | |
596 | { | |
2e836402 AV |
597 | at91_leds_cpu = cpu_led; |
598 | at91_leds_timer = timer_led; | |
cc2832a1 | 599 | } |
cc2832a1 AV |
600 | #else |
601 | void __init at91_init_leds(u8 cpu_led, u8 timer_led) {} | |
602 | #endif | |
603 | ||
604 | ||
2e836402 AV |
605 | /* -------------------------------------------------------------------- |
606 | * UART | |
607 | * -------------------------------------------------------------------- */ | |
608 | ||
749c4e60 | 609 | #if defined(CONFIG_SERIAL_ATMEL) |
2e836402 AV |
610 | static struct resource dbgu_resources[] = { |
611 | [0] = { | |
612 | .start = AT91_VA_BASE_SYS + AT91_DBGU, | |
613 | .end = AT91_VA_BASE_SYS + AT91_DBGU + SZ_512 - 1, | |
614 | .flags = IORESOURCE_MEM, | |
615 | }, | |
616 | [1] = { | |
617 | .start = AT91_ID_SYS, | |
618 | .end = AT91_ID_SYS, | |
619 | .flags = IORESOURCE_IRQ, | |
620 | }, | |
621 | }; | |
622 | ||
73e2798b | 623 | static struct atmel_uart_data dbgu_data = { |
2e836402 AV |
624 | .use_dma_tx = 0, |
625 | .use_dma_rx = 0, /* DBGU not capable of receive DMA */ | |
75d35213 | 626 | .regs = (void __iomem *)(AT91_VA_BASE_SYS + AT91_DBGU), |
2e836402 AV |
627 | }; |
628 | ||
629 | static struct platform_device at91rm9200_dbgu_device = { | |
1e8ea802 | 630 | .name = "atmel_usart", |
2e836402 AV |
631 | .id = 0, |
632 | .dev = { | |
633 | .platform_data = &dbgu_data, | |
634 | .coherent_dma_mask = 0xffffffff, | |
635 | }, | |
636 | .resource = dbgu_resources, | |
637 | .num_resources = ARRAY_SIZE(dbgu_resources), | |
638 | }; | |
639 | ||
640 | static inline void configure_dbgu_pins(void) | |
641 | { | |
642 | at91_set_A_periph(AT91_PIN_PA30, 0); /* DRXD */ | |
643 | at91_set_A_periph(AT91_PIN_PA31, 1); /* DTXD */ | |
644 | } | |
645 | ||
646 | static struct resource uart0_resources[] = { | |
647 | [0] = { | |
72729910 AV |
648 | .start = AT91RM9200_BASE_US0, |
649 | .end = AT91RM9200_BASE_US0 + SZ_16K - 1, | |
2e836402 AV |
650 | .flags = IORESOURCE_MEM, |
651 | }, | |
652 | [1] = { | |
72729910 AV |
653 | .start = AT91RM9200_ID_US0, |
654 | .end = AT91RM9200_ID_US0, | |
2e836402 AV |
655 | .flags = IORESOURCE_IRQ, |
656 | }, | |
657 | }; | |
658 | ||
73e2798b | 659 | static struct atmel_uart_data uart0_data = { |
2e836402 AV |
660 | .use_dma_tx = 1, |
661 | .use_dma_rx = 1, | |
662 | }; | |
663 | ||
664 | static struct platform_device at91rm9200_uart0_device = { | |
1e8ea802 | 665 | .name = "atmel_usart", |
2e836402 AV |
666 | .id = 1, |
667 | .dev = { | |
668 | .platform_data = &uart0_data, | |
669 | .coherent_dma_mask = 0xffffffff, | |
670 | }, | |
671 | .resource = uart0_resources, | |
672 | .num_resources = ARRAY_SIZE(uart0_resources), | |
673 | }; | |
674 | ||
675 | static inline void configure_usart0_pins(void) | |
676 | { | |
677 | at91_set_A_periph(AT91_PIN_PA17, 1); /* TXD0 */ | |
678 | at91_set_A_periph(AT91_PIN_PA18, 0); /* RXD0 */ | |
679 | at91_set_A_periph(AT91_PIN_PA20, 0); /* CTS0 */ | |
680 | ||
681 | /* | |
682 | * AT91RM9200 Errata #39 - RTS0 is not internally connected to PA21. | |
683 | * We need to drive the pin manually. Default is off (RTS is active low). | |
684 | */ | |
685 | at91_set_gpio_output(AT91_PIN_PA21, 1); | |
686 | } | |
687 | ||
688 | static struct resource uart1_resources[] = { | |
689 | [0] = { | |
72729910 AV |
690 | .start = AT91RM9200_BASE_US1, |
691 | .end = AT91RM9200_BASE_US1 + SZ_16K - 1, | |
2e836402 AV |
692 | .flags = IORESOURCE_MEM, |
693 | }, | |
694 | [1] = { | |
72729910 AV |
695 | .start = AT91RM9200_ID_US1, |
696 | .end = AT91RM9200_ID_US1, | |
2e836402 AV |
697 | .flags = IORESOURCE_IRQ, |
698 | }, | |
699 | }; | |
700 | ||
73e2798b | 701 | static struct atmel_uart_data uart1_data = { |
2e836402 AV |
702 | .use_dma_tx = 1, |
703 | .use_dma_rx = 1, | |
704 | }; | |
705 | ||
706 | static struct platform_device at91rm9200_uart1_device = { | |
1e8ea802 | 707 | .name = "atmel_usart", |
2e836402 AV |
708 | .id = 2, |
709 | .dev = { | |
710 | .platform_data = &uart1_data, | |
711 | .coherent_dma_mask = 0xffffffff, | |
712 | }, | |
713 | .resource = uart1_resources, | |
714 | .num_resources = ARRAY_SIZE(uart1_resources), | |
715 | }; | |
716 | ||
717 | static inline void configure_usart1_pins(void) | |
718 | { | |
719 | at91_set_A_periph(AT91_PIN_PB18, 0); /* RI1 */ | |
720 | at91_set_A_periph(AT91_PIN_PB19, 0); /* DTR1 */ | |
721 | at91_set_A_periph(AT91_PIN_PB20, 1); /* TXD1 */ | |
722 | at91_set_A_periph(AT91_PIN_PB21, 0); /* RXD1 */ | |
723 | at91_set_A_periph(AT91_PIN_PB23, 0); /* DCD1 */ | |
724 | at91_set_A_periph(AT91_PIN_PB24, 0); /* CTS1 */ | |
725 | at91_set_A_periph(AT91_PIN_PB25, 0); /* DSR1 */ | |
726 | at91_set_A_periph(AT91_PIN_PB26, 0); /* RTS1 */ | |
727 | } | |
728 | ||
729 | static struct resource uart2_resources[] = { | |
730 | [0] = { | |
72729910 AV |
731 | .start = AT91RM9200_BASE_US2, |
732 | .end = AT91RM9200_BASE_US2 + SZ_16K - 1, | |
2e836402 AV |
733 | .flags = IORESOURCE_MEM, |
734 | }, | |
735 | [1] = { | |
72729910 AV |
736 | .start = AT91RM9200_ID_US2, |
737 | .end = AT91RM9200_ID_US2, | |
2e836402 AV |
738 | .flags = IORESOURCE_IRQ, |
739 | }, | |
740 | }; | |
741 | ||
73e2798b | 742 | static struct atmel_uart_data uart2_data = { |
2e836402 AV |
743 | .use_dma_tx = 1, |
744 | .use_dma_rx = 1, | |
745 | }; | |
746 | ||
747 | static struct platform_device at91rm9200_uart2_device = { | |
1e8ea802 | 748 | .name = "atmel_usart", |
2e836402 AV |
749 | .id = 3, |
750 | .dev = { | |
751 | .platform_data = &uart2_data, | |
752 | .coherent_dma_mask = 0xffffffff, | |
753 | }, | |
754 | .resource = uart2_resources, | |
755 | .num_resources = ARRAY_SIZE(uart2_resources), | |
756 | }; | |
757 | ||
758 | static inline void configure_usart2_pins(void) | |
759 | { | |
760 | at91_set_A_periph(AT91_PIN_PA22, 0); /* RXD2 */ | |
761 | at91_set_A_periph(AT91_PIN_PA23, 1); /* TXD2 */ | |
762 | } | |
763 | ||
764 | static struct resource uart3_resources[] = { | |
765 | [0] = { | |
72729910 AV |
766 | .start = AT91RM9200_BASE_US3, |
767 | .end = AT91RM9200_BASE_US3 + SZ_16K - 1, | |
2e836402 AV |
768 | .flags = IORESOURCE_MEM, |
769 | }, | |
770 | [1] = { | |
72729910 AV |
771 | .start = AT91RM9200_ID_US3, |
772 | .end = AT91RM9200_ID_US3, | |
2e836402 AV |
773 | .flags = IORESOURCE_IRQ, |
774 | }, | |
775 | }; | |
776 | ||
73e2798b | 777 | static struct atmel_uart_data uart3_data = { |
2e836402 AV |
778 | .use_dma_tx = 1, |
779 | .use_dma_rx = 1, | |
780 | }; | |
781 | ||
782 | static struct platform_device at91rm9200_uart3_device = { | |
1e8ea802 | 783 | .name = "atmel_usart", |
2e836402 AV |
784 | .id = 4, |
785 | .dev = { | |
786 | .platform_data = &uart3_data, | |
787 | .coherent_dma_mask = 0xffffffff, | |
788 | }, | |
789 | .resource = uart3_resources, | |
790 | .num_resources = ARRAY_SIZE(uart3_resources), | |
791 | }; | |
792 | ||
793 | static inline void configure_usart3_pins(void) | |
794 | { | |
795 | at91_set_B_periph(AT91_PIN_PA5, 1); /* TXD3 */ | |
796 | at91_set_B_periph(AT91_PIN_PA6, 0); /* RXD3 */ | |
797 | } | |
798 | ||
73e2798b HS |
799 | struct platform_device *at91_uarts[ATMEL_MAX_UART]; /* the UARTs to use */ |
800 | struct platform_device *atmel_default_console_device; /* the serial console device */ | |
2e836402 AV |
801 | |
802 | void __init at91_init_serial(struct at91_uart_config *config) | |
803 | { | |
804 | int i; | |
805 | ||
806 | /* Fill in list of supported UARTs */ | |
807 | for (i = 0; i < config->nr_tty; i++) { | |
808 | switch (config->tty_map[i]) { | |
809 | case 0: | |
810 | configure_usart0_pins(); | |
811 | at91_uarts[i] = &at91rm9200_uart0_device; | |
812 | at91_clock_associate("usart0_clk", &at91rm9200_uart0_device.dev, "usart"); | |
813 | break; | |
814 | case 1: | |
815 | configure_usart1_pins(); | |
816 | at91_uarts[i] = &at91rm9200_uart1_device; | |
817 | at91_clock_associate("usart1_clk", &at91rm9200_uart1_device.dev, "usart"); | |
818 | break; | |
819 | case 2: | |
820 | configure_usart2_pins(); | |
821 | at91_uarts[i] = &at91rm9200_uart2_device; | |
822 | at91_clock_associate("usart2_clk", &at91rm9200_uart2_device.dev, "usart"); | |
823 | break; | |
824 | case 3: | |
825 | configure_usart3_pins(); | |
826 | at91_uarts[i] = &at91rm9200_uart3_device; | |
827 | at91_clock_associate("usart3_clk", &at91rm9200_uart3_device.dev, "usart"); | |
828 | break; | |
829 | case 4: | |
830 | configure_dbgu_pins(); | |
831 | at91_uarts[i] = &at91rm9200_dbgu_device; | |
832 | at91_clock_associate("mck", &at91rm9200_dbgu_device.dev, "usart"); | |
833 | break; | |
834 | default: | |
835 | continue; | |
836 | } | |
837 | at91_uarts[i]->id = i; /* update ID number to mapped ID */ | |
838 | } | |
839 | ||
840 | /* Set serial console device */ | |
73e2798b HS |
841 | if (config->console_tty < ATMEL_MAX_UART) |
842 | atmel_default_console_device = at91_uarts[config->console_tty]; | |
843 | if (!atmel_default_console_device) | |
2e836402 AV |
844 | printk(KERN_INFO "AT91: No default serial console defined.\n"); |
845 | } | |
846 | ||
847 | void __init at91_add_device_serial(void) | |
848 | { | |
849 | int i; | |
850 | ||
73e2798b | 851 | for (i = 0; i < ATMEL_MAX_UART; i++) { |
2e836402 AV |
852 | if (at91_uarts[i]) |
853 | platform_device_register(at91_uarts[i]); | |
854 | } | |
855 | } | |
856 | #else | |
857 | void __init at91_init_serial(struct at91_uart_config *config) {} | |
858 | void __init at91_add_device_serial(void) {} | |
859 | #endif | |
860 | ||
861 | ||
73a59c1c | 862 | /* -------------------------------------------------------------------- */ |
2e836402 AV |
863 | |
864 | /* | |
865 | * These devices are always present and don't need any board-specific | |
866 | * setup. | |
867 | */ | |
868 | static int __init at91_add_standard_devices(void) | |
869 | { | |
870 | at91_add_device_rtc(); | |
871 | at91_add_device_watchdog(); | |
872 | return 0; | |
873 | } | |
874 | ||
875 | arch_initcall(at91_add_standard_devices); |