Rebased and using openwrt 24.10-rc4

devices/openwrt-one/default.nix

@@ -50,13 +50,14 @@
 
   module = {pkgs, config, lib, lim, ... }:
   let 
+    openwrt = pkgs.openwrt_24_10;
     mediatek-firmware = pkgs.stdenv.mkDerivation {
           name = "wlan-firmware";
           phases = ["installPhase"];
           installPhase = ''
             mkdir $out
 
-            cp ${pkgs.openwrt.linux-firmware}/lib/firmware/mediatek/{mt7915,mt7615,mt7986_eeprom_mt7976,mt7981}* $out
+            cp ${pkgs.linux-firmware}/lib/firmware/mediatek/{mt7915,mt7615,mt7986_eeprom_mt7976,mt7981}* $out
           '';
         };
     airoha-firmware = pkgs.stdenv.mkDerivation {
@@ -65,7 +66,7 @@
           installPhase = ''
             mkdir $out
 
-            cp ${pkgs.openwrt.linux-firmware}/lib/firmware/airoha/* $out
+            cp ${pkgs.linux-firmware}/lib/firmware/airoha/* $out
           '';
         };
     in {
@@ -75,8 +76,10 @@
       ];
       config = {
         kernel = {
+          src = openwrt.kernelSrc;
+          version = openwrt.kernelVersion;
           extraPatchPhase = ''
-            ${pkgs.openwrt.applyPatches.mediatek}
+            ${openwrt.applyPatches.mediatek}
           '';
           config = {
             NET="y"; # unlock NET_XGRESS
@@ -593,7 +596,6 @@
 
       hardware =
         let
-          openwrt = pkgs.openwrt;
           phy = pkgs.kmodloader.override {
             targets = [
               "air_en8811h"
@@ -658,7 +660,9 @@
           defaultOutput = "uimage";
           loadAddress = lim.parseInt "0x44000000";
           entryPoint = lim.parseInt "0x44000000";
-          alignment = 2048;
+          # TODO AFAICT this should be 2048, but I got 'FIT: image rootfs-1 start not aligned to page boundaries' with that...
+          #alignment = 2048;
+          alignment = 4096;
           rootDevice = "/dev/fit0";
           dts = {
             src = "${openwrt.src}/target/linux/mediatek/dts/mt7981b-openwrt-one.dts";

pkgs/kernel/uimage.nix

@@ -89,6 +89,7 @@ in {
         };
     };
     _VARS
+    echo mkimage -f mkimage.its -E ${lib.optionalString (alignment != null) "-B 0x${lib.toHexString alignment}"} kernel.uimage
     mkimage -f mkimage.its -E ${lib.optionalString (alignment != null) "-B 0x${lib.toHexString alignment}"} kernel.uimage
     mkimage -l kernel.uimage
   '';

pkgs/openwrt/default.nix

@@ -1,55 +1,44 @@
-{ fetchFromGitHub, pkgsBuildBuild, linux-firmware, fetchzip }:
+{ fetchFromGitHub, pkgsBuildBuild }:
 let
   src = fetchFromGitHub {
     name = "openwrt-source";
     repo = "openwrt";
     owner = "openwrt";
-    # snapshot my OpenWRT One came with
-    rev = "3098b4bf0725509aee13fe1560ce5a9188ea2fc7";
-    hash = "sha256-we61HQ+XppOOw1AhQjNZtmN4IJDsV+dmKT/d9341jJs=";
+    rev = "refs/tags/v23.05.2";
+    hash = "sha256-kP+cSOB6LiOMWs7g+ji7P7ehiDYDwRdmT4R5jSzw6K4=";
   };
   doPatch = family: ''
     cp -av ${src}/target/linux/generic/files/* .
     chmod -R u+w .
     cp -av ${src}/target/linux/${family}/files/* .
     chmod -R u+w .
-    test -d ${src}/target/linux/${family}/files-6.6/ && cp -av ${src}/target/linux/${family}/files-6.6/* .
+    test -d ${src}/target/linux/${family}/files-5.15/ && cp -av ${src}/target/linux/${family}/files-5.15/* .
     chmod -R u+w .
     patches() {
-      for i in $* ; do patch --batch --forward -p1 < $i || exit 1;done
+      for i in $* ; do patch --batch --forward -p1 < $i ;done
     }
-    patches ${src}/target/linux/generic/backport-6.6/*.patch
-    # missing from backport-6.6/752-*?
-    patch -p0 < ${./mtk_rename.patch}
-    patches ${src}/target/linux/generic/pending-6.6/*.patch
+    patches ${src}/target/linux/generic/backport-5.15/*.patch
+    patches ${src}/target/linux/generic/pending-5.15/*.patch
     # This patch breaks passing the DTB to kexeced kernel, so let's
     # get rid of it. It's not needed anyway as we pass the cmdline
     # in the dtb
-    patch --batch -p1 --reverse <  ${src}/target/linux/generic/pending-6.6/330-MIPS-kexec-Accept-command-line-parameters-from-users.patch
-    patches ${src}/target/linux/generic/hack-6.6/*.patch
-    patches ${src}/target/linux/${family}/patches-6.6/*.patch
+    patch --batch -p1 --reverse <  ${src}/target/linux/generic/pending-5.15/330-MIPS-kexec-Accept-command-line-parameters-from-users.patch
+    patches ${src}/target/linux/generic/hack-5.15/*.patch
+    patches ${src}/target/linux/${family}/patches-5.15/*.patch
     patches ${./make-mtdsplit-jffs2-endian-agnostic.patch}
   '';
 in {
   inherit src;
 
   # The kernel sources typically used with this version of openwrt
-  # You can find this in `include/kernel-6.6` or similar in the
+  # You can find this in `include/kernel-5.15` or similar in the
   # openwrt sources
   kernelSrc = pkgsBuildBuild.fetchurl {
     name = "linux.tar.gz";
-    url = "https://cdn.kernel.org/pub/linux/kernel/v6.x/linux-6.6.57.tar.gz";
-    hash = "sha256-LP9tktb/HX5LPZt6m7FO9k38g31tyl714kqV0j4NTmc=";
+    url = "https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.15.137.tar.gz";
+    hash = "sha256-PkdzUKZ0IpBiWe/RS70J76JKnBFzRblWcKlaIFNxnHQ=";
   };
-  kernelVersion = "6.6.57";
-
-  # From package/firmware/linux-firmware/Makefile
-  linux-firmware = linux-firmware.overrideAttrs(a: {
-    src = fetchzip {
-      url = "https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/snapshot/linux-firmware-20241017.tar.gz";
-      hash = "sha256-q4StJdoLCHQThFTzhxETDYlQP/ywmb3vwCr13xtrQzc=";
-    };
-  });
+  kernelVersion = "5.15.137";
 
   applyPatches.ath79 = doPatch "ath79";
   applyPatches.ramips = doPatch "ramips";

pkgs/openwrt/mtk_rename.patch

@@ -1,11 +0,0 @@
---- drivers/net/wireless/mediatek/mt76/mt7915/mmio.c	2024-12-18 11:08:00.598231122 +0100
-+++ drivers/net/wireless/mediatek/mt76/mt7915/mmio.c	2024-12-18 11:08:29.845100034 +0100
-@@ -625,7 +625,7 @@
- 
- static u32 mt7915_mmio_wed_init_rx_buf(struct mtk_wed_device *wed, int size)
- {
--	struct mtk_rxbm_desc *desc = wed->rx_buf_ring.desc;
-+	struct mtk_wed_bm_desc *desc = wed->rx_buf_ring.desc;
- 	struct mt76_txwi_cache *t = NULL;
- 	struct mt7915_dev *dev;
- 	struct mt76_queue *q;