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Diffstat (limited to 'arch/arm/mach-at91/at91sam9263_devices.c')
-rw-r--r--arch/arm/mach-at91/at91sam9263_devices.c161
1 files changed, 93 insertions, 68 deletions
diff --git a/arch/arm/mach-at91/at91sam9263_devices.c b/arch/arm/mach-at91/at91sam9263_devices.c
index 9b6ca734f1a9..7c0898fe20fa 100644
--- a/arch/arm/mach-at91/at91sam9263_devices.c
+++ b/arch/arm/mach-at91/at91sam9263_devices.c
@@ -218,9 +218,9 @@ void __init at91_add_device_eth(struct macb_platform_data *data) {}
218 * MMC / SD 218 * MMC / SD
219 * -------------------------------------------------------------------- */ 219 * -------------------------------------------------------------------- */
220 220
221#if defined(CONFIG_MMC_AT91) || defined(CONFIG_MMC_AT91_MODULE) 221#if IS_ENABLED(CONFIG_MMC_ATMELMCI)
222static u64 mmc_dmamask = DMA_BIT_MASK(32); 222static u64 mmc_dmamask = DMA_BIT_MASK(32);
223static struct at91_mmc_data mmc0_data, mmc1_data; 223static struct mci_platform_data mmc0_data, mmc1_data;
224 224
225static struct resource mmc0_resources[] = { 225static struct resource mmc0_resources[] = {
226 [0] = { 226 [0] = {
@@ -236,7 +236,7 @@ static struct resource mmc0_resources[] = {
236}; 236};
237 237
238static struct platform_device at91sam9263_mmc0_device = { 238static struct platform_device at91sam9263_mmc0_device = {
239 .name = "at91_mci", 239 .name = "atmel_mci",
240 .id = 0, 240 .id = 0,
241 .dev = { 241 .dev = {
242 .dma_mask = &mmc_dmamask, 242 .dma_mask = &mmc_dmamask,
@@ -261,7 +261,7 @@ static struct resource mmc1_resources[] = {
261}; 261};
262 262
263static struct platform_device at91sam9263_mmc1_device = { 263static struct platform_device at91sam9263_mmc1_device = {
264 .name = "at91_mci", 264 .name = "atmel_mci",
265 .id = 1, 265 .id = 1,
266 .dev = { 266 .dev = {
267 .dma_mask = &mmc_dmamask, 267 .dma_mask = &mmc_dmamask,
@@ -272,85 +272,110 @@ static struct platform_device at91sam9263_mmc1_device = {
272 .num_resources = ARRAY_SIZE(mmc1_resources), 272 .num_resources = ARRAY_SIZE(mmc1_resources),
273}; 273};
274 274
275void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data) 275void __init at91_add_device_mci(short mmc_id, struct mci_platform_data *data)
276{ 276{
277 unsigned int i;
278 unsigned int slot_count = 0;
279
277 if (!data) 280 if (!data)
278 return; 281 return;
279 282
280 /* input/irq */ 283 for (i = 0; i < ATMCI_MAX_NR_SLOTS; i++) {
281 if (gpio_is_valid(data->det_pin)) {
282 at91_set_gpio_input(data->det_pin, 1);
283 at91_set_deglitch(data->det_pin, 1);
284 }
285 if (gpio_is_valid(data->wp_pin))
286 at91_set_gpio_input(data->wp_pin, 1);
287 if (gpio_is_valid(data->vcc_pin))
288 at91_set_gpio_output(data->vcc_pin, 0);
289 284
290 if (mmc_id == 0) { /* MCI0 */ 285 if (!data->slot[i].bus_width)
291 /* CLK */ 286 continue;
292 at91_set_A_periph(AT91_PIN_PA12, 0);
293 287
294 if (data->slot_b) { 288 /* input/irq */
295 /* CMD */ 289 if (gpio_is_valid(data->slot[i].detect_pin)) {
296 at91_set_A_periph(AT91_PIN_PA16, 1); 290 at91_set_gpio_input(data->slot[i].detect_pin,
291 1);
292 at91_set_deglitch(data->slot[i].detect_pin,
293 1);
294 }
295 if (gpio_is_valid(data->slot[i].wp_pin))
296 at91_set_gpio_input(data->slot[i].wp_pin, 1);
297
298 if (mmc_id == 0) { /* MCI0 */
299 switch (i) {
300 case 0: /* slot A */
301 /* CMD */
302 at91_set_A_periph(AT91_PIN_PA1, 1);
303 /* DAT0, maybe DAT1..DAT3 */
304 at91_set_A_periph(AT91_PIN_PA0, 1);
305 if (data->slot[i].bus_width == 4) {
306 at91_set_A_periph(AT91_PIN_PA3, 1);
307 at91_set_A_periph(AT91_PIN_PA4, 1);
308 at91_set_A_periph(AT91_PIN_PA5, 1);
309 }
310 slot_count++;
311 break;
312 case 1: /* slot B */
313 /* CMD */
314 at91_set_A_periph(AT91_PIN_PA16, 1);
315 /* DAT0, maybe DAT1..DAT3 */
316 at91_set_A_periph(AT91_PIN_PA17, 1);
317 if (data->slot[i].bus_width == 4) {
318 at91_set_A_periph(AT91_PIN_PA18, 1);
319 at91_set_A_periph(AT91_PIN_PA19, 1);
320 at91_set_A_periph(AT91_PIN_PA20, 1);
321 }
322 slot_count++;
323 break;
324 default:
325 printk(KERN_ERR
326 "AT91: SD/MMC slot %d not available\n", i);
327 break;
328 }
329 if (slot_count) {
330 /* CLK */
331 at91_set_A_periph(AT91_PIN_PA12, 0);
297 332
298 /* DAT0, maybe DAT1..DAT3 */ 333 mmc0_data = *data;
299 at91_set_A_periph(AT91_PIN_PA17, 1); 334 platform_device_register(&at91sam9263_mmc0_device);
300 if (data->wire4) {
301 at91_set_A_periph(AT91_PIN_PA18, 1);
302 at91_set_A_periph(AT91_PIN_PA19, 1);
303 at91_set_A_periph(AT91_PIN_PA20, 1);
304 } 335 }
305 } else { 336 } else if (mmc_id == 1) { /* MCI1 */
306 /* CMD */ 337 switch (i) {
307 at91_set_A_periph(AT91_PIN_PA1, 1); 338 case 0: /* slot A */
308 339 /* CMD */
309 /* DAT0, maybe DAT1..DAT3 */ 340 at91_set_A_periph(AT91_PIN_PA7, 1);
310 at91_set_A_periph(AT91_PIN_PA0, 1); 341 /* DAT0, maybe DAT1..DAT3 */
311 if (data->wire4) { 342 at91_set_A_periph(AT91_PIN_PA8, 1);
312 at91_set_A_periph(AT91_PIN_PA3, 1); 343 if (data->slot[i].bus_width == 4) {
313 at91_set_A_periph(AT91_PIN_PA4, 1); 344 at91_set_A_periph(AT91_PIN_PA9, 1);
314 at91_set_A_periph(AT91_PIN_PA5, 1); 345 at91_set_A_periph(AT91_PIN_PA10, 1);
346 at91_set_A_periph(AT91_PIN_PA11, 1);
347 }
348 slot_count++;
349 break;
350 case 1: /* slot B */
351 /* CMD */
352 at91_set_A_periph(AT91_PIN_PA21, 1);
353 /* DAT0, maybe DAT1..DAT3 */
354 at91_set_A_periph(AT91_PIN_PA22, 1);
355 if (data->slot[i].bus_width == 4) {
356 at91_set_A_periph(AT91_PIN_PA23, 1);
357 at91_set_A_periph(AT91_PIN_PA24, 1);
358 at91_set_A_periph(AT91_PIN_PA25, 1);
359 }
360 slot_count++;
361 break;
362 default:
363 printk(KERN_ERR
364 "AT91: SD/MMC slot %d not available\n", i);
365 break;
315 } 366 }
316 } 367 if (slot_count) {
368 /* CLK */
369 at91_set_A_periph(AT91_PIN_PA6, 0);
317 370
318 mmc0_data = *data; 371 mmc1_data = *data;
319 platform_device_register(&at91sam9263_mmc0_device); 372 platform_device_register(&at91sam9263_mmc1_device);
320 } else { /* MCI1 */
321 /* CLK */
322 at91_set_A_periph(AT91_PIN_PA6, 0);
323
324 if (data->slot_b) {
325 /* CMD */
326 at91_set_A_periph(AT91_PIN_PA21, 1);
327
328 /* DAT0, maybe DAT1..DAT3 */
329 at91_set_A_periph(AT91_PIN_PA22, 1);
330 if (data->wire4) {
331 at91_set_A_periph(AT91_PIN_PA23, 1);
332 at91_set_A_periph(AT91_PIN_PA24, 1);
333 at91_set_A_periph(AT91_PIN_PA25, 1);
334 }
335 } else {
336 /* CMD */
337 at91_set_A_periph(AT91_PIN_PA7, 1);
338
339 /* DAT0, maybe DAT1..DAT3 */
340 at91_set_A_periph(AT91_PIN_PA8, 1);
341 if (data->wire4) {
342 at91_set_A_periph(AT91_PIN_PA9, 1);
343 at91_set_A_periph(AT91_PIN_PA10, 1);
344 at91_set_A_periph(AT91_PIN_PA11, 1);
345 } 373 }
346 } 374 }
347
348 mmc1_data = *data;
349 platform_device_register(&at91sam9263_mmc1_device);
350 } 375 }
351} 376}
352#else 377#else
353void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data) {} 378void __init at91_add_device_mci(short mmc_id, struct mci_platform_data *data) {}
354#endif 379#endif
355 380
356/* -------------------------------------------------------------------- 381/* --------------------------------------------------------------------
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-13 15:42:09 -0500