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Merge pull request #43 from RCoeurjoly/ypcb-chipdb-overlay 

Add patch for PrjxrayDb
This commit is contained in:
Angelo Jacobo 2026-06-12 12:11:53 +08:00 committed by GitHub
parent 8b21e46150 aedb3533de
commit 4a51b96713
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GPG Key ID: B5690EEEBB952194
2 changed files with 48 additions and 4 deletions
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4
flake.lock
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@ -54,6 +54,10 @@
"root": { "root": {
"inputs": { "inputs": {
"flake-utils": "flake-utils", "flake-utils": "flake-utils",
"nixpkgs": [
"toolchain-nix",
"nixpkgs"
],
"toolchain-nix": "toolchain-nix" "toolchain-nix": "toolchain-nix"
} }
}, },

46
flake.nix
View File

@ -4,10 +4,50 @@
inputs = { inputs = {
flake-utils.url = "github:numtide/flake-utils"; flake-utils.url = "github:numtide/flake-utils";
toolchain-nix.url = "github:openXC7/toolchain-nix"; toolchain-nix.url = "github:openXC7/toolchain-nix";
nixpkgs.follows = "toolchain-nix/nixpkgs";
}; };
outputs = { flake-utils, toolchain-nix, ... }: outputs = { flake-utils, nixpkgs, toolchain-nix, ... }:
flake-utils.lib.eachDefaultSystem (system: { flake-utils.lib.eachDefaultSystem (system:
devShells.default = toolchain-nix.devShell.${system}; let
pkgs = import nixpkgs { inherit system; };
openXc7Shell = toolchain-nix.devShell.${system};
nextpnrXilinx = toolchain-nix.packages.${system}.nextpnr-xilinx;
originalPrjxrayDb = "${nextpnrXilinx}/share/nextpnr/external/prjxray-db";
patchedPrjxrayDb = pkgs.runCommand "prjxray-db-kintex7-lioi3-tbytesrc-oclkm-overlay" { } ''
mkdir -p $out
cp -a ${originalPrjxrayDb}/kintex7 $out/kintex7
for db_file in \
$out/kintex7/segbits_lioi3_tbytesrc.db \
$out/kintex7/segbits_lioi3_tbytesrc.origin_info.db
do
chmod u+w "$db_file"
done
if ! grep -q "^LIOI3_TBYTESRC.IOI_OCLKM_0.IOI_IMUX31_1 " \
$out/kintex7/segbits_lioi3_tbytesrc.db
then
cat >> $out/kintex7/segbits_lioi3_tbytesrc.db <<EOF
LIOI3_TBYTESRC.IOI_OCLKM_0.IOI_IMUX31_1 30_94 31_83 31_93
EOF
fi
if ! grep -q "^LIOI3_TBYTESRC.IOI_OCLKM_0.IOI_IMUX31_1 " \
$out/kintex7/segbits_lioi3_tbytesrc.origin_info.db
then
cat >> $out/kintex7/segbits_lioi3_tbytesrc.origin_info.db <<EOF
LIOI3_TBYTESRC.IOI_OCLKM_0.IOI_IMUX31_1 origin:037-iob-pips 30_94 31_83 31_93
EOF
fi
'';
in {
devShells.default = pkgs.mkShell {
inputsFrom = [ openXc7Shell ];
shellHook = ''
${openXc7Shell.shellHook or ""}
export PRJXRAY_DB_DIR="${patchedPrjxrayDb}"
'';
};
}); });
} }