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configure loading of bitstream at boot time

This commit is contained in:
Florian Agbuya 2024-04-05 15:22:13 +08:00
parent 0ff299aa55
commit e08897acce
1 changed files with 11 additions and 1 deletions
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12
flake.nix
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@ -209,8 +209,18 @@
extraModules = [ extraModules = [
"${patched-not-os}/zynq_image.nix" "${patched-not-os}/zynq_image.nix"
] ++ pkgs.lib.optionals (board == "fast-servo") [ ] ++ pkgs.lib.optionals (board == "fast-servo") [
({ config, pkgs, ... }: { ({ config, pkgs, lib, ... }: {
environment.systemPackages = [ linien-server ]; environment.systemPackages = [ linien-server ];
boot.postBootCommands = lib.mkAfter ''
# Program the FPGA
set +x
echo "Flashing bitstream..."
echo 0 > /sys/class/fpga_manager/fpga0/flags
mkdir -p /lib/firmware
cp ${fast-servo-gateware}/gateware.bin /lib/firmware/
echo gateware.bin > /sys/class/fpga_manager/fpga0/firmware
'';
})]; })];
system = "x86_64-linux"; system = "x86_64-linux";
inherit crossSystem; inherit crossSystem;