alfred steele wrote: > Hi, > > Looks like there is a huge performance issue with the sdhc > hardware/software driver on the mx31
Actually I do not find any MX31 board in the mainline supporting MMC. However, drivers/mmmc/mxcmmc.c is suitable for both MX2 and MX3 processors. > Earlier on i had adapated the freescale mx "sdhc driver" and ported it > to the mx31 platform for U-boot v1.0. I have modified the driver to > put the host as well as the card in 4 bit mode in the initialization > sequence. This is your code and I am afraid we cannot help you. And u-boot 1.0 belongs to prehistory. I can only suggest you to update to the actual u-boot (2010.06-rc3) and sets your target to use the mxcmmc driver, and reports us if you find problems. Best regards, Stefano Babic -- ===================================================================== DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: +49-8142-66989-0 Fax: +49-8142-66989-80 Email: off...@denx.de ===================================================================== _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
