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Diffstat (limited to 'freebsd/sys/dev/mmc/mmc.c')
-rw-r--r--freebsd/sys/dev/mmc/mmc.c57
1 files changed, 25 insertions, 32 deletions
diff --git a/freebsd/sys/dev/mmc/mmc.c b/freebsd/sys/dev/mmc/mmc.c
index 2c3cba3d..cfbce2a5 100644
--- a/freebsd/sys/dev/mmc/mmc.c
+++ b/freebsd/sys/dev/mmc/mmc.c
@@ -1600,10 +1600,13 @@ mmc_discover_cards(struct mmc_softc *sc)
uint32_t raw_cid[4];
struct mmc_ivars *ivar = NULL;
const struct mmc_quirk *quirk;
+ const uint8_t *ext_csd;
device_t child;
int err, host_caps, i, newcard;
uint32_t resp, sec_count, status;
uint16_t rca = 2;
+ int16_t rev;
+ uint8_t card_type;
host_caps = mmcbr_get_caps(sc->dev);
if (bootverbose || mmc_debug)
@@ -1791,6 +1794,7 @@ mmc_discover_cards(struct mmc_softc *sc)
goto free_ivar;
}
+ rev = -1;
/* Only MMC >= 4.x devices support EXT_CSD. */
if (ivar->csd.spec_vers >= 4) {
err = mmc_send_ext_csd(sc->dev, sc->dev,
@@ -1800,11 +1804,10 @@ mmc_discover_cards(struct mmc_softc *sc)
"Error reading EXT_CSD %d\n", err);
goto free_ivar;
}
+ ext_csd = ivar->raw_ext_csd;
+ rev = ext_csd[EXT_CSD_REV];
/* Handle extended capacity from EXT_CSD */
- sec_count = ivar->raw_ext_csd[EXT_CSD_SEC_CNT] +
- (ivar->raw_ext_csd[EXT_CSD_SEC_CNT + 1] << 8) +
- (ivar->raw_ext_csd[EXT_CSD_SEC_CNT + 2] << 16) +
- (ivar->raw_ext_csd[EXT_CSD_SEC_CNT + 3] << 24);
+ sec_count = le32dec(&ext_csd[EXT_CSD_SEC_CNT]);
if (sec_count != 0) {
ivar->sec_count = sec_count;
ivar->high_cap = 1;
@@ -1812,65 +1815,56 @@ mmc_discover_cards(struct mmc_softc *sc)
/* Find maximum supported bus width. */
ivar->bus_width = mmc_test_bus_width(sc);
/* Get device speeds beyond normal mode. */
- if ((ivar->raw_ext_csd[EXT_CSD_CARD_TYPE] &
- EXT_CSD_CARD_TYPE_HS_52) != 0) {
+ card_type = ext_csd[EXT_CSD_CARD_TYPE];
+ if ((card_type & EXT_CSD_CARD_TYPE_HS_52) != 0) {
setbit(&ivar->timings, bus_timing_hs);
ivar->hs_tran_speed = MMC_TYPE_HS_52_MAX;
- } else if ((ivar->raw_ext_csd[EXT_CSD_CARD_TYPE] &
- EXT_CSD_CARD_TYPE_HS_26) != 0) {
+ } else if ((card_type & EXT_CSD_CARD_TYPE_HS_26) != 0) {
setbit(&ivar->timings, bus_timing_hs);
ivar->hs_tran_speed = MMC_TYPE_HS_26_MAX;
}
- if ((ivar->raw_ext_csd[EXT_CSD_CARD_TYPE] &
- EXT_CSD_CARD_TYPE_DDR_52_1_2V) != 0 &&
+ if ((card_type & EXT_CSD_CARD_TYPE_DDR_52_1_2V) != 0 &&
(host_caps & MMC_CAP_SIGNALING_120) != 0) {
setbit(&ivar->timings, bus_timing_mmc_ddr52);
setbit(&ivar->vccq_120, bus_timing_mmc_ddr52);
}
- if ((ivar->raw_ext_csd[EXT_CSD_CARD_TYPE] &
- EXT_CSD_CARD_TYPE_DDR_52_1_8V) != 0 &&
+ if ((card_type & EXT_CSD_CARD_TYPE_DDR_52_1_8V) != 0 &&
(host_caps & MMC_CAP_SIGNALING_180) != 0) {
setbit(&ivar->timings, bus_timing_mmc_ddr52);
setbit(&ivar->vccq_180, bus_timing_mmc_ddr52);
}
- if ((ivar->raw_ext_csd[EXT_CSD_CARD_TYPE] &
- EXT_CSD_CARD_TYPE_HS200_1_2V) != 0 &&
+ if ((card_type & EXT_CSD_CARD_TYPE_HS200_1_2V) != 0 &&
(host_caps & MMC_CAP_SIGNALING_120) != 0) {
setbit(&ivar->timings, bus_timing_mmc_hs200);
setbit(&ivar->vccq_120, bus_timing_mmc_hs200);
}
- if ((ivar->raw_ext_csd[EXT_CSD_CARD_TYPE] &
- EXT_CSD_CARD_TYPE_HS200_1_8V) != 0 &&
+ if ((card_type & EXT_CSD_CARD_TYPE_HS200_1_8V) != 0 &&
(host_caps & MMC_CAP_SIGNALING_180) != 0) {
setbit(&ivar->timings, bus_timing_mmc_hs200);
setbit(&ivar->vccq_180, bus_timing_mmc_hs200);
}
- if ((ivar->raw_ext_csd[EXT_CSD_CARD_TYPE] &
- EXT_CSD_CARD_TYPE_HS400_1_2V) != 0 &&
+ if ((card_type & EXT_CSD_CARD_TYPE_HS400_1_2V) != 0 &&
(host_caps & MMC_CAP_SIGNALING_120) != 0 &&
ivar->bus_width == bus_width_8) {
setbit(&ivar->timings, bus_timing_mmc_hs400);
setbit(&ivar->vccq_120, bus_timing_mmc_hs400);
}
- if ((ivar->raw_ext_csd[EXT_CSD_CARD_TYPE] &
- EXT_CSD_CARD_TYPE_HS400_1_8V) != 0 &&
+ if ((card_type & EXT_CSD_CARD_TYPE_HS400_1_8V) != 0 &&
(host_caps & MMC_CAP_SIGNALING_180) != 0 &&
ivar->bus_width == bus_width_8) {
setbit(&ivar->timings, bus_timing_mmc_hs400);
setbit(&ivar->vccq_180, bus_timing_mmc_hs400);
}
- if ((ivar->raw_ext_csd[EXT_CSD_CARD_TYPE] &
- EXT_CSD_CARD_TYPE_HS400_1_2V) != 0 &&
- (ivar->raw_ext_csd[EXT_CSD_STROBE_SUPPORT] &
+ if ((card_type & EXT_CSD_CARD_TYPE_HS400_1_2V) != 0 &&
+ (ext_csd[EXT_CSD_STROBE_SUPPORT] &
EXT_CSD_STROBE_SUPPORT_EN) != 0 &&
(host_caps & MMC_CAP_SIGNALING_120) != 0 &&
ivar->bus_width == bus_width_8) {
setbit(&ivar->timings, bus_timing_mmc_hs400es);
setbit(&ivar->vccq_120, bus_timing_mmc_hs400es);
}
- if ((ivar->raw_ext_csd[EXT_CSD_CARD_TYPE] &
- EXT_CSD_CARD_TYPE_HS400_1_8V) != 0 &&
- (ivar->raw_ext_csd[EXT_CSD_STROBE_SUPPORT] &
+ if ((card_type & EXT_CSD_CARD_TYPE_HS400_1_8V) != 0 &&
+ (ext_csd[EXT_CSD_STROBE_SUPPORT] &
EXT_CSD_STROBE_SUPPORT_EN) != 0 &&
(host_caps & MMC_CAP_SIGNALING_180) != 0 &&
ivar->bus_width == bus_width_8) {
@@ -1882,13 +1876,13 @@ mmc_discover_cards(struct mmc_softc *sc)
* units of 10 ms), defaulting to 500 ms.
*/
ivar->cmd6_time = 500 * 1000;
- if (ivar->raw_ext_csd[EXT_CSD_REV] >= 6)
+ if (rev >= 6)
ivar->cmd6_time = 10 *
- ivar->raw_ext_csd[EXT_CSD_GEN_CMD6_TIME];
+ ext_csd[EXT_CSD_GEN_CMD6_TIME];
/* Handle HC erase sector size. */
- if (ivar->raw_ext_csd[EXT_CSD_ERASE_GRP_SIZE] != 0) {
+ if (ext_csd[EXT_CSD_ERASE_GRP_SIZE] != 0) {
ivar->erase_sector = 1024 *
- ivar->raw_ext_csd[EXT_CSD_ERASE_GRP_SIZE];
+ ext_csd[EXT_CSD_ERASE_GRP_SIZE];
err = mmc_switch(sc->dev, sc->dev, ivar->rca,
EXT_CSD_CMD_SET_NORMAL,
EXT_CSD_ERASE_GRP_DEF,
@@ -1903,8 +1897,7 @@ mmc_discover_cards(struct mmc_softc *sc)
}
}
- mmc_decode_cid_mmc(ivar->raw_cid, &ivar->cid,
- ivar->raw_ext_csd[EXT_CSD_REV] >= 5);
+ mmc_decode_cid_mmc(ivar->raw_cid, &ivar->cid, rev >= 5);
child_common:
for (quirk = &mmc_quirks[0]; quirk->mid != 0x0; quirk++) {
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-28 01:37:59 +0000