raspberry-pi: move kernel and firmware from nixpkgs

As part of the gradual phasing out of linux_rpi in nixpkgs

Link: https://github.com/NixOS/nixpkgs/pull/477665

Signed-off-by: Cryolitia PukNgae <Cryolitia@gmail.com>

raspberry-pi/common/raspberry-pi-wireless-firmware.nix

@@ -0,0 +1,64 @@
+{
+  lib,
+  stdenvNoCC,
+  fetchFromGitHub,
+}:
+
+stdenvNoCC.mkDerivation {
+  pname = "raspberrypi-wireless-firmware";
+  version = "0-unstable-2025-04-08";
+
+  srcs = [
+    (fetchFromGitHub {
+      name = "bluez-firmware";
+      owner = "RPi-Distro";
+      repo = "bluez-firmware";
+      rev = "2bbfb8438e824f5f61dae3f6ebb367a6129a4d63";
+      hash = "sha256-t+D4VUfEIov83KV4wiKp6TqXTHXGkxg/mANi4GW7QHs=";
+    })
+    (fetchFromGitHub {
+      name = "firmware-nonfree";
+      owner = "RPi-Distro";
+      repo = "firmware-nonfree";
+      rev = "c9d3ae6584ab79d19a4f94ccf701e888f9f87a53";
+      hash = "sha256-5ywIPs3lpmqVOVP3B75H577fYkkucDqB7htY2U1DW8U=";
+    })
+  ];
+
+  sourceRoot = ".";
+
+  dontBuild = true;
+  # Firmware blobs do not need fixing and should not be modified
+  dontFixup = true;
+
+  installPhase = ''
+    runHook preInstall
+    mkdir -p "$out/lib/firmware/brcm"
+
+    # Wifi firmware
+    cp -rv "$NIX_BUILD_TOP/firmware-nonfree/debian/config/brcm80211/." "$out/lib/firmware/"
+
+    # Bluetooth firmware
+    cp -rv "$NIX_BUILD_TOP/bluez-firmware/debian/firmware/broadcom/." "$out/lib/firmware/brcm"
+
+    # brcmfmac43455-sdio.bin is a symlink to the non-existent path: ../cypress/cyfmac43455-sdio.bin.
+    # See https://github.com/RPi-Distro/firmware-nonfree/issues/26
+    ln -s "./cyfmac43455-sdio-standard.bin" "$out/lib/firmware/cypress/cyfmac43455-sdio.bin"
+
+    pushd $out/lib/firmware/brcm &>/dev/null
+    # Symlinks for Zero 2W
+    ln -s "./brcmfmac43436-sdio.clm_blob" "$out/lib/firmware/brcm/brcmfmac43430b0-sdio.clm_blob"
+    popd &>/dev/null
+
+    runHook postInstall
+  '';
+
+  meta = {
+    description = "Firmware for builtin Wifi/Bluetooth devices in the Raspberry Pi 3+ and Zero W";
+    homepage = "https://github.com/RPi-Distro/firmware-nonfree";
+    license = lib.licenses.unfreeRedistributableFirmware;
+    maintainers = with lib.maintainers; [ lopsided98 ];
+    platforms = lib.platforms.linux;
+    sourceProvenance = with lib.sourceTypes; [ binaryFirmware ];
+  };
+}