diff --git a/.github/workflows/build_cmake.yml b/.github/workflows/build_cmake.yml
new file mode 100644
index 000000000..ba086d0e0
--- /dev/null
+++ b/.github/workflows/build_cmake.yml
@@ -0,0 +1,56 @@
+name: Build ARM
+
+on:
+  pull_request:
+  push:
+  repository_dispatch:
+  release:
+    types:
+      - created
+
+jobs:
+
+  # ---------------------------------------
+  # Build ARM family
+  # ---------------------------------------
+  ARM:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        board:
+        # Alphabetical order by family
+        - 'metro_m7_1011'
+        - 'stm32f303disco'
+
+    steps:
+    - name: Setup Python
+      uses: actions/setup-python@v4
+      with:
+        python-version: "3.x"
+
+    - name: Checkout code
+      uses: actions/checkout@v4
+      with:
+        fetch-depth: 0
+
+    - name: Checkout common submodules in lib
+      run: git submodule update --init lib/tinyusb lib/uf2
+
+    - name: Install ARM GCC
+      uses: carlosperate/arm-none-eabi-gcc-action@v1
+      with:
+        release: '11.2-2022.02'
+
+    - name: Build
+      run: |
+        cmake . -B _build -G Ninja -DCMAKE_BUILD_TYPE=MinSizeRel -DBOARD=${{ matrix.board }}
+        cmake --build _build
+
+#    - uses: actions/upload-artifact@v3
+#      with:
+#        name: ${{ matrix.board }}
+#        path: |
+#          _build/ports/*/tinyusb.bin
+#          _build/ports/*/tinyusb.hex
+#          _build/ports/*/apps/*/*.uf2
diff --git a/ports/CMakeLists.txt b/CMakeLists.txt
similarity index 61%
rename from ports/CMakeLists.txt
rename to CMakeLists.txt
index 6b0089722..a856425af 100644
--- a/ports/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,10 +1,10 @@
-cmake_minimum_required(VERSION 3.17)
-
-include(${CMAKE_CURRENT_LIST_DIR}/family_support.cmake)
-
-# Espressif has its own build system
-if(NOT FAMILY STREQUAL espressif)
-  project(tinyuf2_all C ASM)
-endif ()
-
-add_subdirectory(${FAMILY})
+cmake_minimum_required(VERSION 3.17)
+
+include(ports/family_support.cmake)
+
+# Espressif has its own build system
+if(NOT FAMILY STREQUAL espressif)
+  project(tinyuf2_all C ASM)
+endif ()
+
+add_subdirectory(ports/${FAMILY})
diff --git a/ports/espressif/CMakeLists.txt b/ports/espressif/CMakeLists.txt
index 7bd58e63e..3f2f49a92 100644
--- a/ports/espressif/CMakeLists.txt
+++ b/ports/espressif/CMakeLists.txt
@@ -34,3 +34,32 @@ project(tinyuf2)
 add_custom_command(TARGET app POST_BUILD
   COMMAND ${Python_EXECUTABLE} ${UF2CONV_PY} --carray -o ${CMAKE_CURRENT_LIST_DIR}/apps/self_update/main/bootloader_bin.c ${CMAKE_BINARY_DIR}/tinyuf2.bin
   )
+
+# Post build: update arduino-esp32 bootloader for debug purpose
+if (0)
+
+#set(ARDUINO_VARIANT_DIR /home/hathach/code/arduino-esp32/variants/${BOARD})
+set(ARDUINO_VARIANT_DIR /home/hathach/code/arduino-esp32/variants/adafruit_feather_esp32s3)
+
+add_custom_command(TARGET bootloader POST_BUILD
+  COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_BINARY_DIR}/bootloader/bootloader.bin ${ARDUINO_VARIANT_DIR}/bootloader-tinyuf2.bin
+  )
+
+add_custom_command(TARGET app POST_BUILD
+  COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_BINARY_DIR}/tinyuf2.bin ${ARDUINO_VARIANT_DIR}/tinyuf2.bin
+  )
+
+file(STRINGS ${CMAKE_CURRENT_LIST_DIR}/boards/${BOARD}/sdkconfig SDKCONFIG_CONTENTS)
+foreach (line ${SDKCONFIG_CONTENTS})
+  if (line MATCHES "CONFIG_PARTITION_TABLE_CUSTOM_FILENAME=\"(.*).csv\"")
+    set(PARTITION_TABLE_CSV ${CMAKE_MATCH_1})
+    cmake_print_variables(PARTITION_TABLE_CSV)
+    break()
+  endif ()
+endforeach ()
+
+add_custom_command(TARGET app POST_BUILD
+  COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_CURRENT_LIST_DIR}/${PARTITION_TABLE_CSV}.csv ${ARDUINO_VARIANT_DIR}/${PARTITION_TABLE_CSV}-tinyuf2.csv
+  )
+
+endif ()
diff --git a/ports/family_support.cmake b/ports/family_support.cmake
index f96671492..a3204268b 100644
--- a/ports/family_support.cmake
+++ b/ports/family_support.cmake
@@ -44,6 +44,11 @@ endif ()
 #------------------------------------
 # Functions
 #------------------------------------
+
+function(family_add_bin_hex TARGET)
+  # placeholder, will be override by family specific
+endfunction()
+
 function(family_add_default_example_warnings TARGET)
 #  target_compile_options(${TARGET} PUBLIC
 #    -Wall
@@ -105,6 +110,10 @@ function(family_configure_common TARGET)
   # Generate map file
   target_link_options(${TARGET} PUBLIC "LINKER:-Map=$<TARGET_FILE:${TARGET}>.map")
 
+  # All executable target linked with board target
+  family_add_board_target(board_${BOARD})
+  target_link_libraries(${TARGET} PUBLIC board_${BOARD})
+
   # ETM Trace option
   if (TRACE_ETM STREQUAL "1")
     target_compile_definitions(${TARGET} PUBLIC TRACE_ETM)
@@ -161,7 +170,6 @@ function(family_add_tinyusb TARGET OPT_MCU RTOS)
   target_link_libraries(${TARGET} PUBLIC ${TARGET}-tinyusb)
 endfunction()
 
-
 function(family_add_uf2version TARGET DEPS_REPO)
   execute_process(COMMAND git describe --dirty --always --tags OUTPUT_VARIABLE GIT_VERSION)
   string(STRIP ${GIT_VERSION} GIT_VERSION)
@@ -181,6 +189,18 @@ function(family_add_uf2version TARGET DEPS_REPO)
     )
 endfunction()
 
+function(family_configure_tinyuf2 TARGET OPT_MCU)
+  family_configure_common(${TARGET})
+  family_add_bin_hex(${TARGET})
+
+  #target_include_directories(${TARGET} PUBLIC)
+  #target_compile_definitions(${TARGET} PUBLIC)
+  include(${TOP}/src/tinyuf2.cmake)
+  add_tinyuf2(${TARGET})
+
+  family_add_tinyusb(tinyuf2 ${OPT_MCU} none)
+endfunction()
+
 #----------------------------------
 # Output
 #----------------------------------
@@ -308,8 +328,5 @@ function(family_flash_uf2 TARGET FAMILY_ID)
     )
 endfunction()
 
-#----------------------------------
 # Family specific
-#----------------------------------
-
 include(${CMAKE_CURRENT_LIST_DIR}/${FAMILY}/family.cmake)
diff --git a/ports/mimxrt10xx/CMakeLists.txt b/ports/mimxrt10xx/CMakeLists.txt
index 9a64f7862..77a6fb515 100644
--- a/ports/mimxrt10xx/CMakeLists.txt
+++ b/ports/mimxrt10xx/CMakeLists.txt
@@ -7,9 +7,7 @@ project(tinyuf2 C ASM)
 #------------------------------------
 # TinyUF2
 #------------------------------------
-
 set(CMAKE_EXECUTABLE_SUFFIX .elf)
-
 add_executable(tinyuf2
   board_flash.c
   boards.c
@@ -22,18 +20,7 @@ target_link_options(tinyuf2 PUBLIC
   "LINKER:--script=${CMAKE_CURRENT_LIST_DIR}/linker/common.ld"
   )
 
-family_configure_common(tinyuf2)
-
-# add board target
-add_board_target(board_${BOARD})
-target_link_libraries(tinyuf2 PUBLIC board_${BOARD})
-
-# Add tinyusb target
-family_add_tinyusb(tinyuf2 OPT_MCU_MIMXRT1XXX none)
-
-# Add tinyuf2
-include(${TOP}/src/tinyuf2.cmake)
-add_tinyuf2(tinyuf2)
+family_configure_tinyuf2(tinyuf2 OPT_MCU_MIMXRT1XXX)
 
 family_flash_sdp(tinyuf2)
 family_flash_jlink(tinyuf2 hex)
@@ -41,9 +28,8 @@ family_add_uf2(tinyuf2 ${UF2_FAMILY_ID} bin ${UF2_ADDR})
 family_flash_uf2(tinyuf2 ${UF2_FAMILY_ID})
 
 #------------------------------------
-# Application (including self update)
+# Application (e.g self update)
 #------------------------------------
-
 add_subdirectory(apps/erase_firmware)
 
 if (BOARD STREQUAL metro_m7_1011)
diff --git a/ports/mimxrt10xx/apps/app.cmake b/ports/mimxrt10xx/apps/app.cmake
index 0ada9361d..b943d21ef 100644
--- a/ports/mimxrt10xx/apps/app.cmake
+++ b/ports/mimxrt10xx/apps/app.cmake
@@ -19,10 +19,8 @@ function(configure_app TARGET)
     "LINKER:--script=${CMAKE_CURRENT_FUNCTION_LIST_DIR}/../linker/common.ld"
     )
 
-  family_add_bin_hex(${TARGET})
   family_add_uf2(${TARGET} ${UF2_FAMILY_ID})
-
   family_flash_uf2(${TARGET} ${UF2_FAMILY_ID})
-  #family_flash_jlink(${TARGET} hex)
-  family_flash_pyocd(${TARGET} hex)
+  family_flash_jlink(${TARGET} hex)
+  #family_flash_pyocd(${TARGET} hex)
 endfunction()
diff --git a/ports/mimxrt10xx/apps/erase_firmware/CMakeLists.txt b/ports/mimxrt10xx/apps/erase_firmware/CMakeLists.txt
index 8d566dfcf..6b66b852f 100644
--- a/ports/mimxrt10xx/apps/erase_firmware/CMakeLists.txt
+++ b/ports/mimxrt10xx/apps/erase_firmware/CMakeLists.txt
@@ -11,10 +11,13 @@ include(${CMAKE_CURRENT_LIST_DIR}/../app.cmake)
 #------------------------------------
 add_executable(erase_firmware
   ${TOP}/apps/erase_firmware/erase_firmware.c
+  ${CMAKE_CURRENT_LIST_DIR}/../../boards.c
   )
 target_include_directories(erase_firmware PUBLIC
   ${TOP}/src
   )
+target_compile_definitions(erase_firmware PUBLIC
+  BUILD_NO_TINYUSB
+  )
 
 configure_app(erase_firmware)
-target_link_libraries(erase_firmware PUBLIC board_${BOARD})
diff --git a/ports/mimxrt10xx/apps/esp32programmer/CMakeLists.txt b/ports/mimxrt10xx/apps/esp32programmer/CMakeLists.txt
index 59c414a5a..bfe5cc97c 100644
--- a/ports/mimxrt10xx/apps/esp32programmer/CMakeLists.txt
+++ b/ports/mimxrt10xx/apps/esp32programmer/CMakeLists.txt
@@ -21,6 +21,4 @@ target_include_directories(esp32programmer PUBLIC
   )
 
 configure_app(esp32programmer)
-
-target_link_libraries(esp32programmer PUBLIC board_${BOARD})
 family_add_tinyusb(esp32programmer OPT_MCU_MIMXRT1XXX none)
diff --git a/ports/mimxrt10xx/apps/factory_test/CMakeLists.txt b/ports/mimxrt10xx/apps/factory_test/CMakeLists.txt
index 0029fc7bf..71976e70a 100644
--- a/ports/mimxrt10xx/apps/factory_test/CMakeLists.txt
+++ b/ports/mimxrt10xx/apps/factory_test/CMakeLists.txt
@@ -22,6 +22,4 @@ target_include_directories(factory_test PUBLIC
   )
 
 configure_app(factory_test)
-
-target_link_libraries(factory_test PUBLIC board_${BOARD})
 family_add_tinyusb(factory_test OPT_MCU_MIMXRT1XXX none)
diff --git a/ports/mimxrt10xx/apps/factory_test_metro_sd/CMakeLists.txt b/ports/mimxrt10xx/apps/factory_test_metro_sd/CMakeLists.txt
index 8c926e15b..2aaf36ca2 100644
--- a/ports/mimxrt10xx/apps/factory_test_metro_sd/CMakeLists.txt
+++ b/ports/mimxrt10xx/apps/factory_test_metro_sd/CMakeLists.txt
@@ -28,11 +28,8 @@ include(middleware-sdmmc/CMakeLists.txt)
 add_sdmmc(factory_test_metro_sd)
 
 configure_app(factory_test_metro_sd)
-
-target_link_libraries(factory_test_metro_sd PUBLIC board_${BOARD})
 family_add_tinyusb(factory_test_metro_sd OPT_MCU_MIMXRT1XXX none)
 
-
 #------------------------------------
 #
 #------------------------------------
diff --git a/ports/mimxrt10xx/family.cmake b/ports/mimxrt10xx/family.cmake
index a008de621..64fc3a948 100644
--- a/ports/mimxrt10xx/family.cmake
+++ b/ports/mimxrt10xx/family.cmake
@@ -62,7 +62,7 @@ string(REGEX REPLACE ".*= *(0x[0-9a-fA-F]+).*" "\\1" IVT_ORIGIN ${IVT_ORIGIN})
 # BOARD_TARGET
 #------------------------------------
 # used by all executable targets
-function(add_board_target BOARD_TARGET)
+function(family_add_board_target BOARD_TARGET)
   if (TARGET ${BOARD_TARGET})
     return()
   endif ()
@@ -113,8 +113,7 @@ function(add_board_target BOARD_TARGET)
     XIP_BOOT_HEADER_ENABLE=1
     )
   target_link_options(${BOARD_TARGET} PUBLIC
-    --specs=nosys.specs
-    --specs=nano.specs
+    --specs=nosys.specs --specs=nano.specs
     )
 endfunction()
 
diff --git a/ports/stm32f3/CMakeLists.txt b/ports/stm32f3/CMakeLists.txt
index c090328f7..d2677218d 100644
--- a/ports/stm32f3/CMakeLists.txt
+++ b/ports/stm32f3/CMakeLists.txt
@@ -7,22 +7,22 @@ project(tinyuf2 C ASM)
 #------------------------------------
 # TinyUF2
 #------------------------------------
-
 set(CMAKE_EXECUTABLE_SUFFIX .elf)
-add_executable(tinyuf2)
-
-target_sources(tinyuf2 PUBLIC
+add_executable(tinyuf2
   board_flash.c
   boards.c
   boards.h
+  ${TOP}/lib/tinyusb/src/portable/st/stm32_fsdev/dcd_stm32_fsdev.c
   )
 #target_compile_options(tinyuf2 PUBLIC)
-#target_link_options(tinyuf2 PUBLIC)
-
-family_configure_tinyuf2(tinyuf2)
+target_link_options(tinyuf2 PUBLIC
+  "LINKER:--script=${CMAKE_CURRENT_LIST_DIR}/linker/stm32f3_boot.ld"
+  )
 
-family_add_bin_hex(tinyuf2)
+family_configure_tinyuf2(tinyuf2 OPT_MCU_STM32F3)
 family_flash_jlink(tinyuf2)
 
-# Self Update
+#------------------------------------
+# Application (e.g self update)
+#------------------------------------
 add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/apps/self_update)
diff --git a/ports/stm32f3/apps/self_update/CMakeLists.txt b/ports/stm32f3/apps/self_update/CMakeLists.txt
index f53b010a3..53dd4827f 100644
--- a/ports/stm32f3/apps/self_update/CMakeLists.txt
+++ b/ports/stm32f3/apps/self_update/CMakeLists.txt
@@ -30,6 +30,4 @@ target_link_options(self_update PUBLIC
   )
 
 family_configure_common(self_update)
-target_link_libraries(self_update board_${BOARD})
-family_add_bin_hex(self_update)
 family_add_uf2(self_update ${UF2_FAMILY_ID})
diff --git a/ports/stm32f3/family.cmake b/ports/stm32f3/family.cmake
index 98dacb934..bf1a04629 100644
--- a/ports/stm32f3/family.cmake
+++ b/ports/stm32f3/family.cmake
@@ -27,7 +27,7 @@ set(CMAKE_TOOLCHAIN_FILE ${TOP}/cmake/toolchain/arm_${TOOLCHAIN}.cmake)
 #------------------------------------
 # used by all executable targets
 
-function(add_board_target BOARD_TARGET)
+function(family_add_board_target BOARD_TARGET)
   if (TARGET ${BOARD_TARGET})
     return()
   endif ()
@@ -63,31 +63,10 @@ function(add_board_target BOARD_TARGET)
     )
   target_link_options(${BOARD_TARGET} PUBLIC
     -nostartfiles
-    # nanolib
-    --specs=nosys.specs
-    --specs=nano.specs
+    --specs=nosys.specs --specs=nano.specs
     )
 endfunction()
 
 #------------------------------------
 # Main target
 #------------------------------------
-function(family_configure_tinyuf2 TARGET)
-  family_configure_common(${TARGET})
-  add_board_target(board_${BOARD})
-
-  #---------- Port Specific ----------
-  target_sources(${TARGET} PUBLIC
-    ${TOP}/lib/tinyusb/src/portable/st/stm32_fsdev/dcd_stm32_fsdev.c
-    )
-  #target_include_directories(${TARGET} PUBLIC)
-  #target_compile_definitions(${TARGET} PUBLIC)
-  target_link_options(${TARGET} PUBLIC
-    "LINKER:--script=${CMAKE_CURRENT_FUNCTION_LIST_DIR}/linker/stm32f3_boot.ld"
-    )
-
-  include(${TOP}/src/tinyuf2.cmake)
-  add_tinyuf2(${TARGET})
-
-  target_link_libraries(${TARGET} PUBLIC board_${BOARD})
-endfunction()
diff --git a/tools/touch1200.py b/tools/touch1200.py
index 63d39e44d..af98b8c4d 100644
--- a/tools/touch1200.py
+++ b/tools/touch1200.py
@@ -2,6 +2,7 @@
 import serial
 import time
 
+
 @click.command()
 @click.argument('port', default='/dev/ttyACM0')
 def connect_serial(port):
@@ -29,5 +30,6 @@ def connect_serial(port):
         set.close()
         print(f"Disconnected from {port}.")
 
+
 if __name__ == '__main__':
     connect_serial()