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Altera_Forum
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9 years ago

Cyclone V SE Preloader & u-boot

Hi, I'm trying to bring up a Cyclone V (5CSEBA2U19C8) on a custom board. The problem is, that i can't boot the u-boot.img. Here's my output: U-Boot SPL 2013.01.01 (Jul 08 2016 - 17:26:3...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
9 years ago

Thank you very much for your input.

I loaded the u-boot.img with the "restore" command to the DDR3 and after lots of experiments, i found out that I had to to adjust the DDR3 Ram settings in Qsys. Strangly, the preconfigured settings from Quartus do not match the datasheet for all parameters.

The board is now up and running.