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Altera_Forum's avatar
Altera_Forum
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10 years ago

HPS DDR memory access for Preloader and UBoot

I have a Cyclone V board with 1Gbyte DDR3L memory connected up to the HPS. I am loading U-Boot through the Preloader using UART0 and YModem transfers from my PC. This all works, and I can see U-Boot ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
10 years ago

Just curious you managed to see any printout from U-Boot?

Since DS-5 is suspected, can you try lowering the JTAG clock and that helps?