-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Frantisek Dufka schreef: > Hello, > > This kernel enables also 52Mhz high-speed MMC mode (works on Kingston > 2GB MMCmobile). Complete summary of changes: > > 1. legacy MMC cards run at 16Mhz instead of original 12Mhz (1.3x > speedup), my 64MB card included with N770 does not work with this, > others do work (Sandisk 1GB). I suppose the card is buggy as max DTR in > CSD is honored in MMC driver and card claims it can handle up to 20Mhz. > > 2. MMCplus/mobile cards run at 24 or 48Mhz only if cards claim to > support v4 specs, report its speed in EXT_CSD structure (26 vs 52Mhz) > and switch command to high-speed mode (CMD 6) worked.
With my 1GB sandisk RS-MMC: time dd if=/dev/mmcblk0 of=/dev/null bs=8192 count=10240 # 44.13 seconds Is that ~24MHz? regards, Koen -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.1 (Darwin) iD8DBQFFInJ6MkyGM64RGpERAg/9AJ9W3E7XUNGk9dZUblK+0/JBT7KscgCgr+94 7tEDjRKX7sZ9x4Q5kFe2EvU= =Sfsf -----END PGP SIGNATURE----- _______________________________________________ maemo-developers mailing list [email protected] https://maemo.org/mailman/listinfo/maemo-developers
