dev/mmc/mmc.c

193 static bool mmc_host_timing(device_t dev, enum mmc_bus_timing timing);
215     enum mmc_bus_timing timing);
219     enum mmc_bus_timing timing);
221     enum mmc_bus_timing timing);
228     enum mmc_bus_timing timing);
229 static const char *mmc_timing_to_string(enum mmc_bus_timing timing);
323 	enum mmc_bus_timing timing;
351 			timing = mmcbr_get_timing(busdev);
364 			if (timing >= bus_timing_mmc_ddr52 &&
370 				    "setting bus width to %d bits %s timing\n",
373 				    mmc_timing_to_string(timing));
375 			if (mmc_set_card_bus_width(sc, ivar, timing) !=
384 			if (mmc_set_vccq(sc, ivar, timing) != MMC_ERR_NONE) {
389 			if (timing >= bus_timing_mmc_hs200 &&
750     enum mmc_bus_timing timing)
783 			if (timing == bus_timing_mmc_hs400 ||
784 			    timing == bus_timing_mmc_hs400es)
789 			switch (timing) {
803 			switch (timing) {
833 	enum mmc_bus_timing timing;
837 	timing = mmcbr_get_timing(dev);
840 	    timing == bus_timing_normal || bus_width == bus_width_1)
851 			if (timing >= bus_timing_mmc_ddr52 &&
871 			if (timing == bus_timing_mmc_ddr52 &&
905     enum mmc_bus_timing timing)
912 		switch (timing) {
928 		mmcbr_set_timing(sc->dev, timing);
931 		switch (timing) {
954 		mmcbr_set_timing(sc->dev, timing);
964     enum mmc_bus_timing timing)
967 	if (isset(&ivar->vccq_120, timing))
969 	else if (isset(&ivar->vccq_180, timing))
1462 mmc_timing_to_dtr(struct mmc_ivars *ivar, enum mmc_bus_timing timing)
1465 	switch (timing) {
1491 mmc_timing_to_string(enum mmc_bus_timing timing)
1494 	switch (timing) {
1518 mmc_host_timing(device_t dev, enum mmc_bus_timing timing)
1533 	switch (timing) {
1567 	enum mmc_bus_timing timing;
1572 	for (timing = bus_timing_max; timing > bus_timing_normal; timing--) {
1573 		if (isset(&ivar->timings, timing))
1577 	device_printf(dev, " bus: %ubit, %uMHz (%s timing)\n",
1580 	    mmc_timing_to_dtr(ivar, timing) / 1000000,
1581 	    mmc_timing_to_string(timing));
2122 	enum mmc_bus_timing max_timing, timing;
2134 				for (timing = max_timing - 1; timing >=
2135 				    bus_timing_normal; timing--) {
2136 					if (isset(&ivar->timings, timing) &&
2137 					    mmc_host_timing(dev, timing)) {
2138 						max_timing = timing;
2154 		    "setting transfer rate to %d.%03dMHz (%s timing)\n",
2162 	 * timing mode selection" of the eMMC specification v5.1, too, and
2168 	timing = hs400 == true ? bus_timing_mmc_hs200 : max_timing;
2181 		if (timing == bus_timing_mmc_hs200 ||	/* includes HS400 */
2182 		    timing == bus_timing_mmc_hs400es) {
2183 			if (mmc_set_vccq(sc, ivar, timing) != MMC_ERR_NONE) {
2190 		if (timing == bus_timing_mmc_hs200) {	/* includes HS400 */
2192 			if (mmc_set_card_bus_width(sc, ivar, timing) !=
2200 		} else if (timing == bus_timing_mmc_hs400es) {
2201 			if (mmc_switch_to_hs400(sc, ivar, max_dtr, timing) !=
2204 				    "%d failed to set %s timing\n", rca,
2205 				    mmc_timing_to_string(timing));
2211 		if (mmc_set_timing(sc, ivar, timing) != MMC_ERR_NONE) {
2213 			    "failed to set %s timing\n", rca,
2214 			    mmc_timing_to_string(timing));
2218 		if (timing == bus_timing_mmc_ddr52) {
2223 			if (mmc_set_card_bus_width(sc, ivar, timing) !=
2231 			if (mmc_set_vccq(sc, ivar, timing) != MMC_ERR_NONE) {
2252 			    "failed to set %s timing\n", rca,
2269  * to HS400ES.  This follows the sequences described in "6.6.2.3 HS400 timing
2284 	 * Both clock and timing must be set as appropriate for high speed
2327 	 * Both clock and timing must initially be set as appropriate for
2338 	 * in EXT_CSD_BUS_WIDTH and update bus width and timing in ios.
2363 	enum mmc_bus_timing timing;
2372 	timing = mmcbr_get_timing(busdev);
2373 	if (timing == bus_timing_mmc_hs400) {
2380 		 * the switch timing dance.
2390 	if (err != 0 && timing == bus_timing_mmc_hs400)
2400 	if (timing == bus_timing_mmc_hs400) {
2401 		if (mmc_switch_to_hs400(sc, ivar, clock, timing) !=