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Last Post 26 May 2011 03:06 PM by richard.laborde@logicpd.com

First boot

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cantthinkofone

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20 May 2011 02:29 PM
Brought the board up to u-boot. Tried to get at the mmc and got: No MMC card found Am I missing something obvious here?

cantthinkofone

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25 May 2011 02:33 PM
Some further investigation... I have a prepared several different SD cards with boot images and all have the same behavior. Tried different settings with S7 and half spit garbage out the uart, and the other half just grab what's in NAND. Interrupting u-boot gives the same results already posted. No surprise that bringing up kernel doesn't have /dev entries for mmc, either.

richard.laborde@logicpd.com

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Posts:247

26 May 2011 03:06 PM
ctoo - Take a look at the card detect contacts on the side of the SD card cage. Is there some red gunk in there? The AM3517 software had something where it wouldn't look at the SD card if it wasn't detected. It's a longshot, but a possibility. Richard

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Forums Texas Instruments SOMs and Development Kits AM3517 eXperimenter Kit