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| author | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2014-06-02 08:43:48 +0200 |
|---|---|---|
| committer | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2014-06-02 08:43:48 +0200 |
| commit | cc49da249cf2f380d2fed5571fad65ce6494fc95 (patch) | |
| tree | 00bf437b6a370c0640d5fafd93780406d3531ebb /drivers/mmc/mmc.c | |
| parent | 9637a1bb896efe392a58dd2772e2c3fcb646409d (diff) | |
| parent | 567802bbd6bf1c809d37fef9244fc8a692244e73 (diff) | |
| download | u-boot-imx-cc49da249cf2f380d2fed5571fad65ce6494fc95.zip u-boot-imx-cc49da249cf2f380d2fed5571fad65ce6494fc95.tar.gz u-boot-imx-cc49da249cf2f380d2fed5571fad65ce6494fc95.tar.bz2 | |
Merge branch 'u-boot-samsung/master' into 'u-boot-arm/master'
Diffstat (limited to 'drivers/mmc/mmc.c')
| -rw-r--r-- | drivers/mmc/mmc.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c index 8b53ead..55c2c68 100644 --- a/drivers/mmc/mmc.c +++ b/drivers/mmc/mmc.c @@ -160,6 +160,9 @@ int mmc_set_blocklen(struct mmc *mmc, int len) { struct mmc_cmd cmd; + if (mmc->card_caps & MMC_MODE_DDR_52MHz) + return 0; + cmd.cmdidx = MMC_CMD_SET_BLOCKLEN; cmd.resp_type = MMC_RSP_R1; cmd.cmdarg = len; @@ -516,10 +519,13 @@ static int mmc_change_freq(struct mmc *mmc) return 0; /* High Speed is set, there are two types: 52MHz and 26MHz */ - if (cardtype & MMC_HS_52MHZ) + if (cardtype & EXT_CSD_CARD_TYPE_52) { + if (cardtype & EXT_CSD_CARD_TYPE_DDR_52) + mmc->card_caps |= MMC_MODE_DDR_52MHz; mmc->card_caps |= MMC_MODE_HS_52MHz | MMC_MODE_HS; - else + } else { mmc->card_caps |= MMC_MODE_HS; + } return 0; } @@ -1082,6 +1088,8 @@ static int mmc_startup(struct mmc *mmc) /* An array of possible bus widths in order of preference */ static unsigned ext_csd_bits[] = { + EXT_CSD_DDR_BUS_WIDTH_8, + EXT_CSD_DDR_BUS_WIDTH_4, EXT_CSD_BUS_WIDTH_8, EXT_CSD_BUS_WIDTH_4, EXT_CSD_BUS_WIDTH_1, @@ -1089,13 +1097,15 @@ static int mmc_startup(struct mmc *mmc) /* An array to map CSD bus widths to host cap bits */ static unsigned ext_to_hostcaps[] = { + [EXT_CSD_DDR_BUS_WIDTH_4] = MMC_MODE_DDR_52MHz, + [EXT_CSD_DDR_BUS_WIDTH_8] = MMC_MODE_DDR_52MHz, [EXT_CSD_BUS_WIDTH_4] = MMC_MODE_4BIT, [EXT_CSD_BUS_WIDTH_8] = MMC_MODE_8BIT, }; /* An array to map chosen bus width to an integer */ static unsigned widths[] = { - 8, 4, 1, + 8, 4, 8, 4, 1, }; for (idx=0; idx < ARRAY_SIZE(ext_csd_bits); idx++) { |