Init starfive visionfive 2

starfive/visionfive/v2/firmware.nix

@@ -0,0 +1,56 @@
+{ callPackage, runCommand, writeText, stdenv, dtc }:
+let
+  uboot = callPackage ./uboot.nix { };
+  opensbi = callPackage ./opensbi.nix {
+    withPayload = "${uboot}/u-boot.bin";
+    withFDT = "${uboot}/starfive_visionfive2.dtb";
+  };
+  spl-tool = callPackage ./spl-tool.nix { };
+  its-file = writeText "visionfive2-uboot-fit-image.its" ''
+    /dts-v1/;
+
+    / {
+      description = "U-boot-spl FIT image for JH7110 VisionFive2";
+      #address-cells = <2>;
+
+      images {
+        firmware {
+          description = "u-boot";
+          data = /incbin/("${opensbi}/share/opensbi/lp64/generic/firmware/fw_payload.bin");
+          type = "firmware";
+          arch = "riscv";
+          os = "u-boot";
+          load = <0x0 0x40000000>;
+          entry = <0x0 0x40000000>;
+          compression = "none";
+        };
+      };
+
+      configurations {
+        default = "config-1";
+
+        config-1 {
+          description = "U-boot-spl FIT config for JH7110 VisionFive2";
+          firmware = "firmware";
+        };
+      };
+    };
+  '';
+in {
+  inherit opensbi uboot;
+  spl = runCommand "starfive-visionfive2-spl" { } ''
+    mkdir -p $out/share/starfive-visionfive2/
+    ln -s ${uboot}/u-boot-spl.bin .
+    ${spl-tool}/bin/spl_tool -c -f ./u-boot-spl.bin
+    cp u-boot-spl.bin.normal.out $out/share/starfive-visionfive2/spl.bin
+  '';
+  uboot-fit-image = stdenv.mkDerivation {
+    name = "starfive-visionfive2-uboot-fit-image";
+    nativeBuildInputs = [ dtc ];
+    phases = [ "installPhase" ];
+    installPhase = ''
+      mkdir -p $out/share/starfive-visionfive2/
+      ${uboot}/mkimage -f ${its-file} -A riscv -O u-boot -T firmware $out/share/starfive-visionfive2/visionfive2_fw_payload.img
+    '';
+  };
+}