milkv/pioneer: init

milkv/pioneer/firmware.nix

@@ -0,0 +1,46 @@
+{ stdenv
+, writeText
+, opensbi
+, fip
+, zsbl
+, linuxboot-kernel
+, linuxboot-initrd
+, dtbs ? "${linuxboot-kernel}/dtbs"
+, ...
+}:
+
+let
+  # Configure a conf.init for linuxboot. If this is not found on the sdcard,
+  # zsbl will load it from spi flash even when booting from sd. That conf.ini
+  # might be configured differently and thus not properly boot from sd.
+  conf-ini = writeText "conf.ini" ''
+    [sophgo-config]
+
+    [devicetree]
+    name = mango-milkv-pioneer.dtb
+
+    [kernel]
+    name = riscv64_Image
+
+    [firmware]
+    name = fw_dynamic.bin
+
+    [ramfs]
+    name = initrd.img
+
+    [eof]
+  '';
+in
+
+stdenv.mkDerivation {
+  name = "milkv-pioneer-firmware";
+  buildCommand = ''
+    install -D ${conf-ini} $out/riscv64/conf.ini
+    install -D ${fip} $out/fip.bin
+    install -D ${zsbl} $out/zsbl.bin
+    install -D ${opensbi}/share/opensbi/lp64/generic/firmware/fw_dynamic.bin $out/riscv64/
+    install -D ${linuxboot-initrd}/initrd.img $out/riscv64/
+    install -D ${dtbs}/sophgo/mango-milkv-pioneer.dtb $out/riscv64/
+    install -D ${linuxboot-kernel}/Image $out/riscv64/riscv64_Image
+  '';
+}