1 files changed, 64 insertions, 38 deletions

diff --git a/quantum/mcu_selection.mk b/quantum/mcu_selection.mk
index 9268c4522..dc441d27b 100644
--- a/quantum/mcu_selection.mk
+++ b/quantum/mcu_selection.mk
@@ -136,10 +136,6 @@ ifneq ($(findstring STM32F042, $(MCU)),)
 
   USE_FPU ?= no
 
-  # Options to pass to dfu-util when flashing
-  DFU_ARGS ?= -d 0483:DF11 -a 0 -s 0x08000000:leave
-  DFU_SUFFIX_ARGS ?= -v 0483 -p DF11
-
   # UF2 settings
   UF2_FAMILY ?= STM32F0
 endif
@@ -172,10 +168,6 @@ ifneq ($(findstring STM32F072, $(MCU)),)
 
   USE_FPU ?= no
 
-  # Options to pass to dfu-util when flashing
-  DFU_ARGS ?= -d 0483:DF11 -a 0 -s 0x08000000:leave
-  DFU_SUFFIX_ARGS ?= -v 0483 -p DF11
-
   # UF2 settings
   UF2_FAMILY ?= STM32F0
 endif
@@ -208,10 +200,6 @@ ifneq ($(findstring STM32F103, $(MCU)),)
 
   USE_FPU ?= no
 
-  # Options to pass to dfu-util when flashing
-  DFU_ARGS ?= -d 0483:DF11 -a 0 -s 0x08000000:leave
-  DFU_SUFFIX_ARGS ?= -v 0483 -p DF11
-
   # UF2 settings
   UF2_FAMILY ?= STM32F1
 endif
@@ -244,10 +232,6 @@ ifneq ($(findstring STM32F303, $(MCU)),)
 
   USE_FPU ?= yes
 
-  # Options to pass to dfu-util when flashing
-  DFU_ARGS ?= -d 0483:DF11 -a 0 -s 0x08000000:leave
-  DFU_SUFFIX_ARGS ?= -v 0483 -p DF11
-
   # UF2 settings
   UF2_FAMILY ?= STM32F3
 endif
@@ -280,9 +264,37 @@ ifneq ($(findstring STM32F401, $(MCU)),)
 
   USE_FPU ?= yes
 
-  # Options to pass to dfu-util when flashing
-  DFU_ARGS ?= -d 0483:DF11 -a 0 -s 0x08000000:leave
-  DFU_SUFFIX_ARGS ?= -v 0483 -p DF11
+  # UF2 settings
+  UF2_FAMILY ?= STM32F4
+endif
+
+ifneq ($(findstring STM32F407, $(MCU)),)
+  # Cortex version
+  MCU = cortex-m4
+
+  # ARM version, CORTEX-M0/M1 are 6, CORTEX-M3/M4/M7 are 7
+  ARMV = 7
+
+  ## chip/board settings
+  # - the next two should match the directories in
+  #   <chibios>/os/hal/ports/$(MCU_FAMILY)/$(MCU_SERIES)
+  MCU_FAMILY = STM32
+  MCU_SERIES = STM32F4xx
+
+  # Linker script to use
+  # - it should exist either in <chibios>/os/common/ports/ARMCMx/compilers/GCC/ld/
+  #   or <keyboard_dir>/ld/
+  MCU_LDSCRIPT ?= STM32F407xE
+
+  # Startup code to use
+  #  - it should exist in <chibios>/os/common/startup/ARMCMx/compilers/GCC/mk/
+  MCU_STARTUP ?= stm32f4xx
+
+  # Board: it should exist either in <chibios>/os/hal/boards/,
+  # <keyboard_dir>/boards/, or drivers/boards/
+  BOARD ?= GENERIC_STM32_F407XE
+
+  USE_FPU ?= yes
 
   # UF2 settings
   UF2_FAMILY ?= STM32F4
@@ -321,10 +333,6 @@ ifneq ($(findstring STM32F411, $(MCU)),)
 
   USE_FPU ?= yes
 
-  # Options to pass to dfu-util when flashing
-  DFU_ARGS ?= -d 0483:DF11 -a 0 -s 0x08000000:leave
-  DFU_SUFFIX_ARGS ?= -v 0483 -p DF11
-
   # UF2 settings
   UF2_FAMILY ?= STM32F4
 endif
@@ -357,10 +365,6 @@ ifneq ($(findstring STM32F446, $(MCU)),)
   BOARD ?= GENERIC_STM32_F446XE
 
   USE_FPU ?= yes
-
-  # Options to pass to dfu-util when flashing
-  DFU_ARGS ?= -d 0483:DF11 -a 0 -s 0x08000000:leave
-  DFU_SUFFIX_ARGS ?= -v 0483 -p DF11
 endif
 
 ifneq ($(findstring STM32G431, $(MCU)),)
@@ -391,10 +395,6 @@ ifneq ($(findstring STM32G431, $(MCU)),)
 
   USE_FPU ?= yes
 
-  # Options to pass to dfu-util when flashing
-  DFU_ARGS ?= -d 0483:DF11 -a 0 -s 0x08000000:leave
-  DFU_SUFFIX_ARGS ?= -v 0483 -p DF11
-
   # UF2 settings
   UF2_FAMILY ?= STM32G4
 endif
@@ -427,10 +427,6 @@ ifneq ($(findstring STM32G474, $(MCU)),)
 
   USE_FPU ?= yes
 
-  # Options to pass to dfu-util when flashing
-  DFU_ARGS ?= -d 0483:DF11 -a 0 -s 0x08000000:leave
-  DFU_SUFFIX_ARGS ?= -v 0483 -p DF11
-
   # UF2 settings
   UF2_FAMILY ?= STM32G4
 endif
@@ -465,9 +461,39 @@ ifneq (,$(filter $(MCU),STM32L433 STM32L443))
 
   USE_FPU ?= yes
 
-  # Options to pass to dfu-util when flashing
-  DFU_ARGS ?= -d 0483:DF11 -a 0 -s 0x08000000:leave
-  DFU_SUFFIX_ARGS ?= -v 0483 -p DF11
+  # UF2 settings
+  UF2_FAMILY ?= STM32L4
+endif
+
+ifneq (,$(filter $(MCU),STM32L412 STM32L422))
+  # Cortex version
+  MCU = cortex-m4
+
+  # ARM version, CORTEX-M0/M1 are 6, CORTEX-M3/M4/M7 are 7
+  ARMV = 7
+
+  ## chip/board settings
+  # - the next two should match the directories in
+  #   <chibios>/os/hal/ports/$(MCU_FAMILY)/$(MCU_SERIES)
+  MCU_FAMILY = STM32
+  MCU_SERIES = STM32L4xx
+
+  # Linker script to use
+  # - it should exist either in <chibios>/os/common/ports/ARMCMx/compilers/GCC/ld/
+  #   or <keyboard_dir>/ld/
+  MCU_LDSCRIPT ?= STM32L412xB
+
+  # Startup code to use
+  #  - it should exist in <chibios>/os/common/startup/ARMCMx/compilers/GCC/mk/
+  MCU_STARTUP ?= stm32l4xx
+
+  # Board: it should exist either in <chibios>/os/hal/boards/,
+  # <keyboard_dir>/boards/, or drivers/boards/
+  BOARD ?= GENERIC_STM32_L412XB
+
+  PLATFORM_NAME ?= platform_l432
+
+  USE_FPU ?= yes
 
   # UF2 settings
   UF2_FAMILY ?= STM32L4