diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 8454560b9..e58edea38 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -215,7 +215,7 @@ jobs:
 
       - name: Upload firmware
         if: github.event_name != 'pull_request'
-        uses: softprops/action-gh-release@master
+        uses: softprops/action-gh-release@v2
         with:
           tag_name: ${{env.TAG_NAME}}
           files: |
diff --git a/.github/workflows/toolchain.yml b/.github/workflows/toolchain.yml
index 0d49fb518..bcb9b41da 100644
--- a/.github/workflows/toolchain.yml
+++ b/.github/workflows/toolchain.yml
@@ -64,7 +64,7 @@ jobs:
           fi
 
       - name: Upload toolchain
-        uses: softprops/action-gh-release@master
+        uses: softprops/action-gh-release@v2
         with:
           tag_name: ${{env.TAG_NAME}}
           files: ${{env.GCC}}
diff --git a/.github/workflows/uboot.yml b/.github/workflows/uboot.yml
new file mode 100644
index 000000000..cf7a5b7f1
--- /dev/null
+++ b/.github/workflows/uboot.yml
@@ -0,0 +1,61 @@
+name: uboot
+on:
+  workflow_dispatch:
+
+jobs:
+  toolchain:
+    name: Uboot
+    runs-on: ubuntu-latest
+    steps:
+      - name: Prepare
+        run: |
+          sudo apt-get update
+          sudo apt-get install gcc-arm-linux-gnueabi gcc-mipsel-linux-gnu u-boot-tools lzop
+
+      - name: Ingenic
+        run: |
+          git clone https://github.com/openipc/u-boot-ingenic.git --depth 1
+          cd u-boot-ingenic
+          bash build.sh
+
+      - name: Sigmastar
+        run: |
+          git clone https://github.com/openipc/u-boot-sigmastar.git --depth 1
+          cd u-boot-sigmastar
+          bash build.sh
+
+      - name: Upload
+        uses: softprops/action-gh-release@v2
+        with:
+          tag_name: latest
+          files: |
+            u-boot-ingenic/output/u-boot-t10-nor.bin
+            u-boot-ingenic/output/u-boot-t10l-nor.bin
+            u-boot-ingenic/output/u-boot-t20-nor.bin
+            u-boot-ingenic/output/u-boot-t20l-nor.bin
+            u-boot-ingenic/output/u-boot-t20x-nor.bin
+            u-boot-ingenic/output/u-boot-t21n-nor.bin
+            u-boot-ingenic/output/u-boot-t30a-nor.bin
+            u-boot-ingenic/output/u-boot-t30a1-nor.bin
+            u-boot-ingenic/output/u-boot-t30l-nor.bin
+            u-boot-ingenic/output/u-boot-t30n-nor.bin
+            u-boot-ingenic/output/u-boot-t30x-nor.bin
+            u-boot-ingenic/output/u-boot-t31a-nor.bin
+            u-boot-ingenic/output/u-boot-t31al-nor.bin
+            u-boot-ingenic/output/u-boot-t31l-nor.bin
+            u-boot-ingenic/output/u-boot-t31lc-nor.bin
+            u-boot-ingenic/output/u-boot-t31n-nor.bin
+            u-boot-ingenic/output/u-boot-t31x-nor.bin
+            u-boot-sigmastar/output/u-boot-ssc30kd-nor.bin
+            u-boot-sigmastar/output/u-boot-ssc30kq-nor.bin
+            u-boot-sigmastar/output/u-boot-ssc325-nor.bin
+            u-boot-sigmastar/output/u-boot-ssc325de-nand.bin
+            u-boot-sigmastar/output/u-boot-ssc333-nor.bin
+            u-boot-sigmastar/output/u-boot-ssc335de-nor.bin
+            u-boot-sigmastar/output/u-boot-ssc335-nor.bin
+            u-boot-sigmastar/output/u-boot-ssc337de-nor.bin
+            u-boot-sigmastar/output/u-boot-ssc337de-nand.bin
+            u-boot-sigmastar/output/u-boot-ssc337-nor.bin
+            u-boot-sigmastar/output/u-boot-ssc338q-nand.bin
+            u-boot-sigmastar/output/u-boot-ssc338q-nor.bin
+            u-boot-sigmastar/output/u-boot-ssc377-nor.bin
diff --git a/br-ext-chip-ingenic/board/t20/kernel/t10.generic.config b/br-ext-chip-ingenic/board/t20/kernel/t10.generic.config
index 5859a0797..de5a7727b 100644
--- a/br-ext-chip-ingenic/board/t20/kernel/t10.generic.config
+++ b/br-ext-chip-ingenic/board/t20/kernel/t10.generic.config
@@ -835,8 +835,7 @@ CONFIG_PHYLIB=y
 # CONFIG_USB_PEGASUS is not set
 # CONFIG_USB_RTL8150 is not set
 # CONFIG_USB_RTL8152 is not set
-CONFIG_USB_USBNET=y
-CONFIG_USB_NET_AX8817X=y
+# CONFIG_USB_USBNET is not set
 # CONFIG_USB_IPHETH is not set
 CONFIG_WLAN=y
 # CONFIG_LIBERTAS_THINFIRM is not set
@@ -1995,7 +1994,7 @@ CONFIG_TRACING_SUPPORT=y
 # CONFIG_FTRACE is not set
 # CONFIG_RBTREE_TEST is not set
 # CONFIG_INTERVAL_TREE_TEST is not set
-CONFIG_DYNAMIC_DEBUG=y
+# CONFIG_DYNAMIC_DEBUG is not set
 # CONFIG_DMA_API_DEBUG is not set
 # CONFIG_ATOMIC64_SELFTEST is not set
 # CONFIG_SAMPLES is not set
diff --git a/br-ext-chip-ingenic/board/t20/kernel/t20.generic.config b/br-ext-chip-ingenic/board/t20/kernel/t20.generic.config
index 85864c95a..c99b0c1d9 100644
--- a/br-ext-chip-ingenic/board/t20/kernel/t20.generic.config
+++ b/br-ext-chip-ingenic/board/t20/kernel/t20.generic.config
@@ -836,8 +836,7 @@ CONFIG_PHYLIB=y
 # CONFIG_USB_PEGASUS is not set
 # CONFIG_USB_RTL8150 is not set
 # CONFIG_USB_RTL8152 is not set
-CONFIG_USB_USBNET=y
-CONFIG_USB_NET_AX8817X=y
+# CONFIG_USB_USBNET is not set
 # CONFIG_USB_IPHETH is not set
 CONFIG_WLAN=y
 # CONFIG_LIBERTAS_THINFIRM is not set
@@ -2021,7 +2020,7 @@ CONFIG_TRACING_SUPPORT=y
 # CONFIG_FTRACE is not set
 # CONFIG_RBTREE_TEST is not set
 # CONFIG_INTERVAL_TREE_TEST is not set
-CONFIG_DYNAMIC_DEBUG=y
+# CONFIG_DYNAMIC_DEBUG is not set
 # CONFIG_DMA_API_DEBUG is not set
 # CONFIG_ATOMIC64_SELFTEST is not set
 # CONFIG_SAMPLES is not set
diff --git a/br-ext-chip-ingenic/board/t21/kernel/t21.generic.config b/br-ext-chip-ingenic/board/t21/kernel/t21.generic.config
index 5dc864dab..f2eba3660 100644
--- a/br-ext-chip-ingenic/board/t21/kernel/t21.generic.config
+++ b/br-ext-chip-ingenic/board/t21/kernel/t21.generic.config
@@ -836,8 +836,7 @@ CONFIG_PHYLIB=y
 # CONFIG_USB_PEGASUS is not set
 # CONFIG_USB_RTL8150 is not set
 # CONFIG_USB_RTL8152 is not set
-CONFIG_USB_USBNET=y
-CONFIG_USB_NET_AX8817X=y
+# CONFIG_USB_USBNET is not set
 # CONFIG_USB_IPHETH is not set
 CONFIG_WLAN=y
 # CONFIG_LIBERTAS_THINFIRM is not set
@@ -1861,7 +1860,7 @@ CONFIG_TRACING_SUPPORT=y
 # CONFIG_FTRACE is not set
 # CONFIG_RBTREE_TEST is not set
 # CONFIG_INTERVAL_TREE_TEST is not set
-CONFIG_DYNAMIC_DEBUG=y
+# CONFIG_DYNAMIC_DEBUG is not set
 # CONFIG_DMA_API_DEBUG is not set
 # CONFIG_ATOMIC64_SELFTEST is not set
 # CONFIG_SAMPLES is not set
diff --git a/br-ext-chip-ingenic/board/t21/kernel/t30.generic.config b/br-ext-chip-ingenic/board/t21/kernel/t30.generic.config
index dae2cb836..2b3d19532 100644
--- a/br-ext-chip-ingenic/board/t21/kernel/t30.generic.config
+++ b/br-ext-chip-ingenic/board/t21/kernel/t30.generic.config
@@ -836,8 +836,7 @@ CONFIG_PHYLIB=y
 # CONFIG_USB_PEGASUS is not set
 # CONFIG_USB_RTL8150 is not set
 # CONFIG_USB_RTL8152 is not set
-CONFIG_USB_USBNET=y
-CONFIG_USB_NET_AX8817X=y
+# CONFIG_USB_USBNET is not set
 # CONFIG_USB_IPHETH is not set
 CONFIG_WLAN=y
 # CONFIG_LIBERTAS_THINFIRM is not set
@@ -1857,7 +1856,7 @@ CONFIG_TRACING_SUPPORT=y
 # CONFIG_FTRACE is not set
 # CONFIG_RBTREE_TEST is not set
 # CONFIG_INTERVAL_TREE_TEST is not set
-CONFIG_DYNAMIC_DEBUG=y
+# CONFIG_DYNAMIC_DEBUG is not set
 # CONFIG_DMA_API_DEBUG is not set
 # CONFIG_ATOMIC64_SELFTEST is not set
 # CONFIG_SAMPLES is not set
diff --git a/br-ext-chip-ingenic/board/t31/kernel/t31.generic-fpv.config b/br-ext-chip-ingenic/board/t31/kernel/t31.generic-fpv.config
index 14e92cdad..8d72af13e 100644
--- a/br-ext-chip-ingenic/board/t31/kernel/t31.generic-fpv.config
+++ b/br-ext-chip-ingenic/board/t31/kernel/t31.generic-fpv.config
@@ -1849,7 +1849,7 @@ CONFIG_TRACING_SUPPORT=y
 # CONFIG_FTRACE is not set
 # CONFIG_RBTREE_TEST is not set
 # CONFIG_INTERVAL_TREE_TEST is not set
-CONFIG_DYNAMIC_DEBUG=y
+# CONFIG_DYNAMIC_DEBUG is not set
 # CONFIG_DMA_API_DEBUG is not set
 # CONFIG_ATOMIC64_SELFTEST is not set
 # CONFIG_SAMPLES is not set
diff --git a/br-ext-chip-ingenic/board/t31/kernel/t31.generic.config b/br-ext-chip-ingenic/board/t31/kernel/t31.generic.config
index 6e7dd81d1..fdc01cda3 100644
--- a/br-ext-chip-ingenic/board/t31/kernel/t31.generic.config
+++ b/br-ext-chip-ingenic/board/t31/kernel/t31.generic.config
@@ -838,8 +838,8 @@ CONFIG_PHYLIB=y
 # CONFIG_USB_PEGASUS is not set
 # CONFIG_USB_RTL8150 is not set
 # CONFIG_USB_RTL8152 is not set
-CONFIG_USB_USBNET=y
-CONFIG_USB_NET_AX8817X=y
+CONFIG_USB_USBNET=m
+# CONFIG_USB_NET_AX8817X is not set
 # CONFIG_USB_NET_AX88179_178A is not set
 CONFIG_USB_NET_CDCETHER=m
 # CONFIG_USB_NET_CDC_EEM is not set
@@ -1885,7 +1885,7 @@ CONFIG_TRACING_SUPPORT=y
 # CONFIG_FTRACE is not set
 # CONFIG_RBTREE_TEST is not set
 # CONFIG_INTERVAL_TREE_TEST is not set
-CONFIG_DYNAMIC_DEBUG=y
+# CONFIG_DYNAMIC_DEBUG is not set
 # CONFIG_DMA_API_DEBUG is not set
 # CONFIG_ATOMIC64_SELFTEST is not set
 # CONFIG_SAMPLES is not set
diff --git a/br-ext-chip-ingenic/board/t40/kernel/t40.generic.config b/br-ext-chip-ingenic/board/t40/kernel/t40.generic.config
index a89939282..39e248d79 100644
--- a/br-ext-chip-ingenic/board/t40/kernel/t40.generic.config
+++ b/br-ext-chip-ingenic/board/t40/kernel/t40.generic.config
@@ -964,8 +964,7 @@ CONFIG_USB_NET_DRIVERS=y
 # CONFIG_USB_RTL8150 is not set
 # CONFIG_USB_RTL8152 is not set
 # CONFIG_USB_LAN78XX is not set
-CONFIG_USB_USBNET=y
-CONFIG_USB_NET_AX8817X=y
+# CONFIG_USB_USBNET is not set
 # CONFIG_USB_IPHETH is not set
 CONFIG_WLAN=y
 # CONFIG_LIBERTAS_THINFIRM is not set
@@ -1984,7 +1983,7 @@ CONFIG_TRACE_IRQFLAGS_SUPPORT=y
 CONFIG_PRINTK_TIME=y
 CONFIG_MESSAGE_LOGLEVEL_DEFAULT=3
 # CONFIG_BOOT_PRINTK_DELAY is not set
-CONFIG_DYNAMIC_DEBUG=y
+# CONFIG_DYNAMIC_DEBUG is not set
 
 #
 # Compile-time checks and compiler options