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Have U-Boot or EPCS load the bitfile on boot #19

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bradgrantham opened this issue May 3, 2017 · 4 comments
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Have U-Boot or EPCS load the bitfile on boot #19

bradgrantham opened this issue May 3, 2017 · 4 comments
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@lkesteloot
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GeekRetreatJun2017

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@bradgrantham
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Need to recompile uboot so that fpga2sdram_handoff=0x00000333 or put that by hand in the bootcmd variable
@bradgrantham bradgrantham added this to the GeekRetreatJun2017 milestone May 3, 2017
@bradgrantham bradgrantham mentioned this issue May 3, 2017
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@lkesteloot lkesteloot self-assigned this Jun 2, 2017
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lkesteloot commented Jun 2, 2017 •
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To do:

  • Change bridge to 0xFFF.
  • Convert bitfile to correct format.
  • Put bitfile in file system.
  • Load bitfile in U-Boot.
  • Fix dip switches on board.
  • Load bitfile into FPGA.

@lkesteloot
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According to this page, we want an RBF file:

quartus_cpf -c <input file>.sof <output file>.rbf

Switches:

up-up-down-up-up-up = uncompressed rbf

@lkesteloot
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Also: Programming FPGA from HPS.

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Change 296bfd2 adds the boot script. The Google doc has the rest of the info.

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