45 #define MMC_REL_ADR_ARG (card->relative_addr << 16U)
55 inline int mmc_write_blocks(struct sd_card *card, const uint8_t *wbuf, uint32_t start_block,  in mmc_write_blocks()  argument
58 	return card_write_blocks(card, wbuf, start_block, num_blocks);  in mmc_write_blocks()
61 inline int mmc_read_blocks(struct sd_card *card, uint8_t *rbuf, uint32_t start_block,  in mmc_read_blocks()  argument
64 	return card_read_blocks(card, rbuf, start_block, num_blocks);  in mmc_read_blocks()
67 inline int mmc_ioctl(struct sd_card *card, uint8_t cmd, void *buf)  in mmc_ioctl()  argument
69 	return card_ioctl(card, cmd, buf);  in mmc_ioctl()
73 static int mmc_send_op_cond(struct sd_card *card, int ocr);
76 static int mmc_set_rca(struct sd_card *card);
79 static int mmc_read_csd(struct sd_card *card, struct sd_csd *card_csd);
83 static int mmc_read_ext_csd(struct sd_card *card, struct mmc_ext_csd *card_ext_csd);
87 static inline int mmc_set_max_freq(struct sd_card *card, struct sd_csd *card_csd);
90 static int mmc_set_bus_width(struct sd_card *card);
92 /* Sets card to the fastest timing mode (using CMD6) and SDHC to max frequency */
93 static int mmc_set_timing(struct sd_card *card, struct mmc_ext_csd *card_ext_csd);
96 static int mmc_set_cache(struct sd_card *card, struct mmc_ext_csd *card_ext_csd);
99  * Initialize MMC card for use with subsystem
101 int mmc_card_init(struct sd_card *card)  in mmc_card_init()  argument
110 	if (card->host_props.is_spi) {  in mmc_card_init()
114 	/* Probe to see if card is an MMC card */  in mmc_card_init()
115 	ret = mmc_send_op_cond(card, ocr_arg);  in mmc_card_init()
119 	/* Card is MMC card if no error  in mmc_card_init()
122 	card->type = CARD_MMC;  in mmc_card_init()
125 	if (card->host_props.host_caps.vol_180_support) {  in mmc_card_init()
128 	if (card->host_props.host_caps.vol_330_support ||  in mmc_card_init()
129 	    card->host_props.host_caps.vol_300_support) {  in mmc_card_init()
138 	ret = mmc_send_op_cond(card, ocr_arg);  in mmc_card_init()
140 		LOG_ERR("Failed to query card OCR");  in mmc_card_init()
145 	ret = card_read_cid(card);  in mmc_card_init()
151 	ret = mmc_set_rca(card);  in mmc_card_init()
153 		LOG_ERR("Failed on sending RCA to card");  in mmc_card_init()
158 	ret = mmc_read_csd(card, &card_csd);  in mmc_card_init()
167 	ret = mmc_set_max_freq(card, &card_csd);  in mmc_card_init()
173 	ret = sdmmc_select_card(card);  in mmc_card_init()
179 	ret = mmc_set_bus_width(card);  in mmc_card_init()
185 	ret = mmc_read_ext_csd(card, &card_ext_csd);  in mmc_card_init()
191 	ret = mmc_set_timing(card, &card_ext_csd);  in mmc_card_init()
197 	ret = mmc_set_cache(card, &card_ext_csd);  in mmc_card_init()
205 static int mmc_send_op_cond(struct sd_card *card, int ocr)  in mmc_send_op_cond()  argument
219 		ret = sdhc_request(card->sdhc, &cmd, NULL);  in mmc_send_op_cond()
232 		LOG_ERR("Card never left busy state");  in mmc_send_op_cond()
238 		card->flags |= SD_1800MV_FLAG;  in mmc_send_op_cond()
241 		card->flags |= SD_3000MV_FLAG;  in mmc_send_op_cond()
245 	if (card->host_props.host_caps.vol_180_support && (card->flags & SD_1800MV_FLAG)) {  in mmc_send_op_cond()
246 		card->bus_io.signal_voltage = SD_VOL_1_8_V;  in mmc_send_op_cond()
247 		ret = sdhc_set_io(card->sdhc, &card->bus_io);  in mmc_send_op_cond()
254 		card->card_voltage = SD_VOL_1_8_V;  in mmc_send_op_cond()
255 		LOG_INF("Card switched to 1.8V signaling");  in mmc_send_op_cond()
260 		card->flags |= SD_HIGH_CAPACITY_FLAG;  in mmc_send_op_cond()
266 static int mmc_set_rca(struct sd_card *card)  in mmc_set_rca()  argument
276 	ret = sdhc_request(card->sdhc, &cmd, NULL);  in mmc_set_rca()
285 	card->relative_addr = CONFIG_MMC_RCA;  in mmc_set_rca()
290 static int mmc_read_csd(struct sd_card *card, struct sd_csd *card_csd)  in mmc_read_csd()  argument
300 	ret = sdhc_request(card->sdhc, &cmd, NULL);  in mmc_read_csd()
349 static inline int mmc_set_max_freq(struct sd_card *card, struct sd_csd *card_csd)  in mmc_set_max_freq()  argument
357 		card->bus_io.clock = 26000000U;  in mmc_set_max_freq()
358 		card->bus_io.timing = SDHC_TIMING_LEGACY;  in mmc_set_max_freq()
362 		card->bus_io.clock = 20000000U;  in mmc_set_max_freq()
363 		card->bus_io.timing = SDHC_TIMING_LEGACY;  in mmc_set_max_freq()
369 	ret = sdhc_set_io(card->sdhc, &card->bus_io);  in mmc_set_max_freq()
378 static int mmc_set_bus_width(struct sd_card *card)  in mmc_set_bus_width()  argument
383 	if (card->host_props.host_caps.bus_8_bit_support && card->bus_width == 8) {  in mmc_set_bus_width()
385 		card->bus_io.bus_width = SDHC_BUS_WIDTH8BIT;  in mmc_set_bus_width()
386 	} else if (card->host_props.host_caps.bus_4_bit_support && card->bus_width >= 4) {  in mmc_set_bus_width()
388 		card->bus_io.bus_width = SDHC_BUS_WIDTH4BIT;  in mmc_set_bus_width()
394 	/* Set Card Bus Width */  in mmc_set_bus_width()
398 	ret = sdhc_request(card->sdhc, &cmd, NULL);  in mmc_set_bus_width()
399 	sdmmc_wait_ready(card);  in mmc_set_bus_width()
401 		LOG_ERR("Setting card data bus width failed: %d", ret);  in mmc_set_bus_width()
406 	ret = sdhc_set_io(card->sdhc, &card->bus_io);  in mmc_set_bus_width()
415 static int mmc_set_hs_timing(struct sd_card *card)  in mmc_set_hs_timing()  argument
420 	/* Change Card Timing Mode */  in mmc_set_hs_timing()
425 	ret = sdhc_request(card->sdhc, &cmd, NULL);  in mmc_set_hs_timing()
430 	sdmmc_wait_ready(card);  in mmc_set_hs_timing()
433 	card->bus_io.clock = MMC_CLOCK_52MHZ;  in mmc_set_hs_timing()
434 	card->bus_io.timing = SDHC_TIMING_HS;  in mmc_set_hs_timing()
436 	ret = sdhc_set_io(card->sdhc, &card->bus_io);  in mmc_set_hs_timing()
444 static int mmc_set_power_class_HS200(struct sd_card *card, struct mmc_ext_csd *ext)  in mmc_set_power_class_HS200()  argument
453 	ret = sdhc_request(card->sdhc, &cmd, NULL);  in mmc_set_power_class_HS200()
454 	sdmmc_wait_ready(card);  in mmc_set_power_class_HS200()
458 static int mmc_set_timing(struct sd_card *card, struct mmc_ext_csd *ext)  in mmc_set_timing()  argument
465 	    (card->host_props.host_caps.hs200_support) &&  in mmc_set_timing()
466 	    (card->bus_io.signal_voltage == SD_VOL_1_8_V) &&  in mmc_set_timing()
467 	    (card->bus_io.bus_width >= SDHC_BUS_WIDTH4BIT)) {  in mmc_set_timing()
468 		ret = mmc_set_hs_timing(card);  in mmc_set_timing()
473 		card->bus_io.clock = MMC_CLOCK_HS200;  in mmc_set_timing()
474 		card->bus_io.timing = SDHC_TIMING_HS200;  in mmc_set_timing()
476 		return mmc_set_hs_timing(card);  in mmc_set_timing()
478 		/* Nothing to do, card is already configured for this */  in mmc_set_timing()
484 	/* Set card timing mode */  in mmc_set_timing()
488 	ret = sdhc_request(card->sdhc, &cmd, NULL);  in mmc_set_timing()
493 	ret = sdmmc_wait_ready(card);  in mmc_set_timing()
497 	card->card_speed = ((cmd.arg & 0xFF << 8) >> 8);  in mmc_set_timing()
500 	if (card->card_speed == MMC_HS200_TIMING) {  in mmc_set_timing()
501 		ret = mmc_set_power_class_HS200(card, ext);  in mmc_set_timing()
508 	ret = sdhc_set_io(card->sdhc, &card->bus_io);  in mmc_set_timing()
514 	if (card->card_speed == MMC_HS200_TIMING) {  in mmc_set_timing()
515 		ret = sdhc_execute_tuning(card->sdhc);  in mmc_set_timing()
524 	    (card->host_props.host_caps.hs400_support) &&  in mmc_set_timing()
525 	    (card->bus_io.bus_width == SDHC_BUS_WIDTH8BIT)) {  in mmc_set_timing()
527 		ret = mmc_set_hs_timing(card);  in mmc_set_timing()
537 		ret = sdhc_request(card->sdhc, &cmd, NULL);  in mmc_set_timing()
538 		sdmmc_wait_ready(card);  in mmc_set_timing()
543 		/* Set card timing mode to HS400 */  in mmc_set_timing()
548 		ret = sdhc_request(card->sdhc, &cmd, NULL);  in mmc_set_timing()
550 			LOG_DBG("Error setting card to HS400 bus timing: %d", ret);  in mmc_set_timing()
553 		ret = sdmmc_wait_ready(card);  in mmc_set_timing()
558 		card->bus_io.clock = MMC_CLOCK_HS400;  in mmc_set_timing()
559 		card->bus_io.timing = SDHC_TIMING_HS400;  in mmc_set_timing()
560 		ret = sdhc_set_io(card->sdhc, &card->bus_io);  in mmc_set_timing()
564 		card->card_speed = ((cmd.arg & 0xFF << 8) >> 8);  in mmc_set_timing()
569 static int mmc_read_ext_csd(struct sd_card *card, struct mmc_ext_csd *card_ext_csd)  in mmc_read_ext_csd()  argument
582 	data.data = card->card_buffer;  in mmc_read_ext_csd()
585 	ret = sdhc_request(card->sdhc, &cmd, &data);  in mmc_read_ext_csd()
591 	mmc_decode_ext_csd(card_ext_csd, card->card_buffer);  in mmc_read_ext_csd()
592 	card->block_count = card_ext_csd->sec_count;  in mmc_read_ext_csd()
593 	card->block_size = SDMMC_DEFAULT_BLOCK_SIZE;  in mmc_read_ext_csd()
595 	LOG_INF("Card block count is %d, block size is %d", card->block_count, card->block_size);  in mmc_read_ext_csd()
622 static int mmc_set_cache(struct sd_card *card, struct mmc_ext_csd *card_ext_csd)  in mmc_set_cache()  argument
636 	ret = sdhc_request(card->sdhc, &cmd, NULL);  in mmc_set_cache()
638 		LOG_DBG("Error turning on card cache: %d", ret);  in mmc_set_cache()
641 	ret = sdmmc_wait_ready(card);  in mmc_set_cache()