nixos-hardware/starfive/visionfive/v2/opensbi.nix

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{ opensbi }:
opensbi.overrideAttrs (attrs: {
makeFlags = attrs.makeFlags ++ [
# opensbi generic platform default FW_TEXT_START is 0x80000000
# For JH7110, need to specify the FW_TEXT_START to 0x40000000
# Otherwise, the fw_payload.bin downloading via jtag will not run.
# https://github.com/starfive-tech/VisionFive2/blob/7733673d27052dc5a48f1cb1d060279dfa3f0241/Makefile#L274
# Also matches u-boot documentation: https://docs.u-boot.org/en/latest/board/starfive/visionfive2.html
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"FW_TEXT_START=0x40000000"
"FW_OPTIONS=0"
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];
})