Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

mounting SD Card on uClinux

Hi everyone, I'm trying to implement a fat file system on sd card I followed the instructions for Altera SPI Core on this page http://www.nioswiki.com/operatingsystems/uclinux/mmcsd didn't w...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

Hello i am trying to implement SDCard in my DE2-115 and i've followed the steps described in the# 6 post. However i get this error in the linux boot process spi_altera: pobe of d000900.spi failed with error -16.

There appears to be a mmc in proc/devices though.

Any ideas? Can i use the default clock frequency of SPI 3 wire? I think it's 128khz.

Solved it! It was a problem with EPCS ADDRESS SPAM being too high, it was going in the SPI 3 wire address spam