Add STM32F401/F411 to mcu_selection.mk (#10278)

* Reorder STM32 MCUs

* Add STM32F4xx to mcu_selection.mk

* Set MCU for phoenix and tkw/stoutgat/v2/f411

10 files changed, 131 insertions, 265 deletions

diff --git a/keyboards/handwired/onekey/blackpill_f401/rules.mk b/keyboards/handwired/onekey/blackpill_f401/rules.mk
index 609262049c..6eb37a581d 100644
--- a/keyboards/handwired/onekey/blackpill_f401/rules.mk
+++ b/keyboards/handwired/onekey/blackpill_f401/rules.mk
@@ -1,30 +1,8 @@
-## 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 <this_dir>/ld/
-MCU_LDSCRIPT = STM32F401xC
-# startup code to use
-# is should exist in <chibios>/os/common/ports/ARMCMx/compilers/GCC/mk/
-MCU_STARTUP = stm32f4xx
-# it should exist either in <chibios>/os/hal/boards/
-#  or <this_dir>/boards
-BOARD = BLACKPILL_STM32_F401
-# Cortex version
-# Teensy LC is cortex-m0; Teensy 3.x are cortex-m4
-MCU  = cortex-m4
-# ARM version, CORTEX-M0/M1 are 6, CORTEX-M3/M4/M7 are 7
-ARMV = 7
-USE_FPU = yes
-# Address of the booloader in system memory
-STM32_BOOTLOADER_ADDRESS = 0x1FFF0000
+# MCU name
+MCU = STM32F401
 
-# 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
+# Address of the bootloader in system memory
+STM32_BOOTLOADER_ADDRESS = 0x1FFF0000
 
 # Build Options
 #   change yes to no to disable
diff --git a/keyboards/handwired/onekey/blackpill_f411/rules.mk b/keyboards/handwired/onekey/blackpill_f411/rules.mk
index f2e0f2b4f9..7cf886431f 100644
--- a/keyboards/handwired/onekey/blackpill_f411/rules.mk
+++ b/keyboards/handwired/onekey/blackpill_f411/rules.mk
@@ -1,30 +1,8 @@
-## 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 <this_dir>/ld/
-MCU_LDSCRIPT = STM32F411xE
-# startup code to use
-# is should exist in <chibios>/os/common/ports/ARMCMx/compilers/GCC/mk/
-MCU_STARTUP = stm32f4xx
-# it should exist either in <chibios>/os/hal/boards/
-#  or <this_dir>/boards
-BOARD = BLACKPILL_STM32_F411
-# Cortex version
-# Teensy LC is cortex-m0; Teensy 3.x are cortex-m4
-MCU  = cortex-m4
-# ARM version, CORTEX-M0/M1 are 6, CORTEX-M3/M4/M7 are 7
-ARMV = 7
-USE_FPU = yes
-# Address of the booloader in system memory
-STM32_BOOTLOADER_ADDRESS = 0x1FFF0000
+# MCU name
+MCU = STM32F411
 
-# 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
+# Address of the bootloader in system memory
+STM32_BOOTLOADER_ADDRESS = 0x1FFF0000
 
 # Build Options
 #   change yes to no to disable
diff --git a/keyboards/handwired/riblee_f401/rules.mk b/keyboards/handwired/riblee_f401/rules.mk
index eab426a375..2cb1d380e1 100644
--- a/keyboards/handwired/riblee_f401/rules.mk
+++ b/keyboards/handwired/riblee_f401/rules.mk
@@ -1,30 +1,8 @@
-## 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 <this_dir>/ld/
-MCU_LDSCRIPT = STM32F401xC
-# startup code to use
-# is should exist in <chibios>/os/common/ports/ARMCMx/compilers/GCC/mk/
-MCU_STARTUP = stm32f4xx
-# it should exist either in <chibios>/os/hal/boards/
-#  or <this_dir>/boards
-BOARD = BLACKPILL_STM32_F401
-# Cortex version
-# Teensy LC is cortex-m0; Teensy 3.x are cortex-m4
-MCU  = cortex-m4
-# ARM version, CORTEX-M0/M1 are 6, CORTEX-M3/M4/M7 are 7
-ARMV = 7
-USE_FPU = yes
-# Address of the booloader in system memory
-STM32_BOOTLOADER_ADDRESS = 0x1FFF0000
+# MCU name
+MCU = STM32F401
 
-# 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
+# Address of the bootloader in system memory
+STM32_BOOTLOADER_ADDRESS = 0x1FFF0000
 
 # Build Options
 #   change yes to no to disable
@@ -43,4 +21,4 @@ BACKLIGHT_ENABLE = yes      # Enable keyboard backlight functionality
 BACKLIGHT_DRIVER = software
 RGBLIGHT_ENABLE = no        # Enable keyboard RGB underglow
 BLUETOOTH_ENABLE = no       # Enable Bluetooth
-AUDIO_ENABLE = no           # Audio output
\ No newline at end of file
+AUDIO_ENABLE = no           # Audio output
diff --git a/keyboards/matrix/m20add/rules.mk b/keyboards/matrix/m20add/rules.mk
index 6dba153932..fb97c1d3c8 100644
--- a/keyboards/matrix/m20add/rules.mk
+++ b/keyboards/matrix/m20add/rules.mk
@@ -1,38 +1,15 @@
-## 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
+# MCU name
+MCU = STM32F411
 
 # Linker script to use
 # - it should exist either in <chibios>/os/common/ports/ARMCMx/compilers/GCC/ld/
 #   or <this_dir>/ld/
 MCU_LDSCRIPT = m20add_boot
 
-# 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/
 #  or <this_dir>/boards
 BOARD = m20add_bd
 
-# Cortex version
-MCU  = cortex-m4
-
-# ARM version, CORTEX-M0/M1 are 6, CORTEX-M3/M4/M7 are 7
-ARMV = 7
-
-USE_FPU = yes
-
-# Vector table for application
-# 0x00000000-0x00001000 area is occupied by bootlaoder.*/
-OPT_DEFS =
-
-# Options to pass to dfu-util when flashing
-#DFU_ARGS = -d 0483:df11 -a 0 -s 0x08000000:leave
-#DFU_SUFFIX_ARGS = -p DF11 -v 0483
-
 # Build Options
 #   comment out to disable the options.
 #
diff --git a/keyboards/matrix/noah/rules.mk b/keyboards/matrix/noah/rules.mk
index 094364e11b..19e432d2a0 100644
--- a/keyboards/matrix/noah/rules.mk
+++ b/keyboards/matrix/noah/rules.mk
@@ -1,38 +1,15 @@
-## 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
+# MCU name
+MCU = STM32F411
 
 # Linker script to use
 # - it should exist either in <chibios>/os/common/ports/ARMCMx/compilers/GCC/ld/
 #   or <this_dir>/ld/
 MCU_LDSCRIPT = noah_boot
 
-# 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/
 #  or <this_dir>/boards
 BOARD = noah_bd
 
-# Cortex version
-MCU  = cortex-m4
-
-# ARM version, CORTEX-M0/M1 are 6, CORTEX-M3/M4/M7 are 7
-ARMV = 7
-
-USE_FPU = yes
-
-# Vector table for application
-# 0x00000000-0x00001000 area is occupied by bootlaoder.*/
-OPT_DEFS =
-
-# Options to pass to dfu-util when flashing
-#DFU_ARGS = -d 0483:df11 -a 0 -s 0x08000000:leave
-#DFU_SUFFIX_ARGS = -p DF11 -v 0483
-
 # Build Options
 #   comment out to disable the options.
 #
diff --git a/keyboards/phoenix/rules.mk b/keyboards/phoenix/rules.mk
index 6c6c8446ab..968c6548c0 100644
--- a/keyboards/phoenix/rules.mk
+++ b/keyboards/phoenix/rules.mk
@@ -1,3 +1,9 @@
+# MCU name
+MCU = STM32F401
+
+# Address of the bootloader in system memory
+STM32_BOOTLOADER_ADDRESS = 0x1FFF0000
+
 # Build Options
 #   change yes to no to disable
 #
@@ -17,32 +23,4 @@ SPLIT_KEYBOARD = yes
 SERIAL_DRIVER = usart
 KEYBOARD_SHARED_EP = yes
 
-## 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 <this_dir>/ld/
-MCU_LDSCRIPT = STM32F401xC
-# startup code to use
-# is should exist in <chibios>/os/common/ports/ARMCMx/compilers/GCC/mk/
-MCU_STARTUP = stm32f4xx
-# it should exist either in <chibios>/os/hal/boards/
-#  or <this_dir>/boards
-BOARD = BLACKPILL_STM32_F401
-# Cortex version
-# Teensy LC is cortex-m0; Teensy 3.x are cortex-m4
-MCU  = cortex-m4
-# ARM version, CORTEX-M0/M1 are 6, CORTEX-M3/M4/M7 are 7
-ARMV = 7
-USE_FPU = yes
-# Address of the booloader in system memory
-STM32_BOOTLOADER_ADDRESS = 0x1FFF0000
-
-# 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
-
 OPT_DEFS += -DSTM32_DMA_REQUIRED=TRUE
diff --git a/keyboards/tkw/stoutgat/v2/f411/rules.mk b/keyboards/tkw/stoutgat/v2/f411/rules.mk
index 61add3aed5..4f7f52e62b 100644
--- a/keyboards/tkw/stoutgat/v2/f411/rules.mk
+++ b/keyboards/tkw/stoutgat/v2/f411/rules.mk
@@ -1,27 +1,5 @@
-## 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 <this_dir>/ld/
-MCU_LDSCRIPT = STM32F411xE
-# startup code to use
-# is should exist in <chibios>/os/common/ports/ARMCMx/compilers/GCC/mk/
-MCU_STARTUP = stm32f4xx
-# it should exist either in <chibios>/os/hal/boards/
-#  or <this_dir>/boards
-BOARD = BLACKPILL_STM32_F411
-# Cortex version
-# Teensy LC is cortex-m0; Teensy 3.x are cortex-m4
-MCU  = cortex-m4
-# ARM version, CORTEX-M0/M1 are 6, CORTEX-M3/M4/M7 are 7
-ARMV = 7
-USE_FPU = yes
-# Address of the booloader in system memory
-STM32_BOOTLOADER_ADDRESS = 0x1FFF0000
+# MCU name
+MCU = STM32F411
 
-# 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
+# Address of the bootloader in system memory
+STM32_BOOTLOADER_ADDRESS = 0x1FFF0000
diff --git a/keyboards/zvecr/zv48/f401/rules.mk b/keyboards/zvecr/zv48/f401/rules.mk
index e41d5ef7a2..950442af96 100644
--- a/keyboards/zvecr/zv48/f401/rules.mk
+++ b/keyboards/zvecr/zv48/f401/rules.mk
@@ -1,27 +1,5 @@
-## 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 <this_dir>/ld/
-MCU_LDSCRIPT = STM32F401xC
-# startup code to use
-# is should exist in <chibios>/os/common/ports/ARMCMx/compilers/GCC/mk/
-MCU_STARTUP = stm32f4xx
-# it should exist either in <chibios>/os/hal/boards/
-#  or <this_dir>/boards
-BOARD = BLACKPILL_STM32_F401
-# Cortex version
-# Teensy LC is cortex-m0; Teensy 3.x are cortex-m4
-MCU  = cortex-m4
-# ARM version, CORTEX-M0/M1 are 6, CORTEX-M3/M4/M7 are 7
-ARMV = 7
-USE_FPU = yes
-# Address of the booloader in system memory
-STM32_BOOTLOADER_ADDRESS = 0x1FFF0000
+# MCU name
+MCU = STM32F401
 
-# 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
+# Address of the bootloader in system memory
+STM32_BOOTLOADER_ADDRESS = 0x1FFF0000
diff --git a/keyboards/zvecr/zv48/f411/rules.mk b/keyboards/zvecr/zv48/f411/rules.mk
index 61add3aed5..4f7f52e62b 100644
--- a/keyboards/zvecr/zv48/f411/rules.mk
+++ b/keyboards/zvecr/zv48/f411/rules.mk
@@ -1,27 +1,5 @@
-## 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 <this_dir>/ld/
-MCU_LDSCRIPT = STM32F411xE
-# startup code to use
-# is should exist in <chibios>/os/common/ports/ARMCMx/compilers/GCC/mk/
-MCU_STARTUP = stm32f4xx
-# it should exist either in <chibios>/os/hal/boards/
-#  or <this_dir>/boards
-BOARD = BLACKPILL_STM32_F411
-# Cortex version
-# Teensy LC is cortex-m0; Teensy 3.x are cortex-m4
-MCU  = cortex-m4
-# ARM version, CORTEX-M0/M1 are 6, CORTEX-M3/M4/M7 are 7
-ARMV = 7
-USE_FPU = yes
-# Address of the booloader in system memory
-STM32_BOOTLOADER_ADDRESS = 0x1FFF0000
+# MCU name
+MCU = STM32F411
 
-# 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
+# Address of the bootloader in system memory
+STM32_BOOTLOADER_ADDRESS = 0x1FFF0000
diff --git a/quantum/mcu_selection.mk b/quantum/mcu_selection.mk
index 33a0cabc84..6ec5dff5f5 100644
--- a/quantum/mcu_selection.mk
+++ b/quantum/mcu_selection.mk
@@ -82,37 +82,37 @@ ifneq ($(findstring MK20DX256, $(MCU)),)
   BOARD ?= PJRC_TEENSY_3_1
 endif
 
-ifneq ($(findstring STM32F303, $(MCU)),)
+ifneq ($(findstring STM32F042, $(MCU)),)
   # Cortex version
-  MCU = cortex-m4
+  MCU = cortex-m0
 
   # ARM version, CORTEX-M0/M1 are 6, CORTEX-M3/M4/M7 are 7
-  ARMV = 7
+  ARMV = 6
 
   ## chip/board settings
   # - the next two should match the directories in
   #   <chibios>/os/hal/ports/$(MCU_FAMILY)/$(MCU_SERIES)
   MCU_FAMILY = STM32
-  MCU_SERIES = STM32F3xx
+  MCU_SERIES = STM32F0xx
 
   # Linker script to use
   # - it should exist either in <chibios>/os/common/ports/ARMCMx/compilers/GCC/ld/
   #   or <keyboard_dir>/ld/
-  MCU_LDSCRIPT ?= STM32F303xC
+  MCU_LDSCRIPT ?= STM32F042x6
 
   # Startup code to use
   #  - it should exist in <chibios>/os/common/startup/ARMCMx/compilers/GCC/mk/
-  MCU_STARTUP ?= stm32f3xx
+  MCU_STARTUP ?= stm32f0xx
 
   # Board: it should exist either in <chibios>/os/hal/boards/,
   # <keyboard_dir>/boards/, or drivers/boards/
-  BOARD ?= GENERIC_STM32_F303XC
+  BOARD ?= GENERIC_STM32_F042X6
 
-  USE_FPU ?= yes
+  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
+  DFU_ARGS ?= -d 0483:DF11 -a 0 -s 0x08000000:leave
+  DFU_SUFFIX_ARGS ?= -v 0483 -p DF11
 endif
 
 ifneq ($(findstring STM32F072, $(MCU)),)
@@ -144,46 +144,46 @@ ifneq ($(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
+  DFU_ARGS ?= -d 0483:DF11 -a 0 -s 0x08000000:leave
+  DFU_SUFFIX_ARGS ?= -v 0483 -p DF11
 endif
 
-ifneq ($(findstring STM32F042, $(MCU)),)
+ifneq ($(findstring STM32F103, $(MCU)),)
   # Cortex version
-  MCU = cortex-m0
+  MCU = cortex-m3
 
   # ARM version, CORTEX-M0/M1 are 6, CORTEX-M3/M4/M7 are 7
-  ARMV = 6
+  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 = STM32F0xx
+  MCU_SERIES = STM32F1xx
 
   # Linker script to use
   # - it should exist either in <chibios>/os/common/ports/ARMCMx/compilers/GCC/ld/
   #   or <keyboard_dir>/ld/
-  MCU_LDSCRIPT ?= STM32F042x6
+  MCU_LDSCRIPT ?= STM32F103x8
 
   # Startup code to use
   #  - it should exist in <chibios>/os/common/startup/ARMCMx/compilers/GCC/mk/
-  MCU_STARTUP ?= stm32f0xx
+  MCU_STARTUP ?= stm32f1xx
 
   # Board: it should exist either in <chibios>/os/hal/boards/,
   # <keyboard_dir>/boards/, or drivers/boards/
-  BOARD ?= GENERIC_STM32_F042X6
+  BOARD ?= GENERIC_STM32_F103
 
   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
+  DFU_ARGS ?= -d 0483:DF11 -a 0 -s 0x08000000:leave
+  DFU_SUFFIX_ARGS ?= -v 0483 -p DF11
 endif
 
-ifneq ($(findstring STM32F103, $(MCU)),)
+ifneq ($(findstring STM32F303, $(MCU)),)
   # Cortex version
-  MCU = cortex-m3
+  MCU = cortex-m4
 
   # ARM version, CORTEX-M0/M1 are 6, CORTEX-M3/M4/M7 are 7
   ARMV = 7
@@ -192,26 +192,92 @@ ifneq ($(findstring STM32F103, $(MCU)),)
   # - the next two should match the directories in
   #   <chibios>/os/hal/ports/$(MCU_FAMILY)/$(MCU_SERIES)
   MCU_FAMILY = STM32
-  MCU_SERIES = STM32F1xx
+  MCU_SERIES = STM32F3xx
 
   # Linker script to use
   # - it should exist either in <chibios>/os/common/ports/ARMCMx/compilers/GCC/ld/
   #   or <keyboard_dir>/ld/
-  MCU_LDSCRIPT ?= STM32F103x8
+  MCU_LDSCRIPT ?= STM32F303xC
 
   # Startup code to use
   #  - it should exist in <chibios>/os/common/startup/ARMCMx/compilers/GCC/mk/
-  MCU_STARTUP ?= stm32f1xx
+  MCU_STARTUP ?= stm32f3xx
 
   # Board: it should exist either in <chibios>/os/hal/boards/,
   # <keyboard_dir>/boards/, or drivers/boards/
-  BOARD ?= GENERIC_STM32_F103
+  BOARD ?= GENERIC_STM32_F303XC
 
-  USE_FPU ?= no
+  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 STM32F401, $(MCU)),)
+  # Cortex version
+  MCU = cortex-m4
+
+  # ARM version, CORTEX-M0/M1 are 6, CORTEX-M3/M4/M7 are 7
+  ARMV = 7
+
+  ## chip/board settings
+  # - the next two should match the directories in
+  #   <chibios>/os/hal/ports/$(MCU_FAMILY)/$(MCU_SERIES)
+  MCU_FAMILY = STM32
+  MCU_SERIES = STM32F4xx
+
+  # Linker script to use
+  # - it should exist either in <chibios>/os/common/ports/ARMCMx/compilers/GCC/ld/
+  #   or <keyboard_dir>/ld/
+  MCU_LDSCRIPT ?= STM32F401xC
+
+  # Startup code to use
+  #  - it should exist in <chibios>/os/common/startup/ARMCMx/compilers/GCC/mk/
+  MCU_STARTUP ?= stm32f4xx
+
+  # Board: it should exist either in <chibios>/os/hal/boards/,
+  # <keyboard_dir>/boards/, or drivers/boards/
+  BOARD ?= BLACKPILL_STM32_F401
+
+  USE_FPU ?= yes
+
+  # Options to pass to dfu-util when flashing
+  DFU_ARGS ?= -d 0483:DF11 -a 0 -s 0x08000000:leave
+  DFU_SUFFIX_ARGS ?= -v 0483 -p DF11
+endif
+
+ifneq ($(findstring STM32F411, $(MCU)),)
+  # Cortex version
+  MCU = cortex-m4
+
+  # ARM version, CORTEX-M0/M1 are 6, CORTEX-M3/M4/M7 are 7
+  ARMV = 7
+
+  ## chip/board settings
+  # - the next two should match the directories in
+  #   <chibios>/os/hal/ports/$(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 ?= STM32F411xE
+
+  # 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 ?= BLACKPILL_STM32_F411
+
+  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
+  DFU_ARGS ?= -d 0483:DF11 -a 0 -s 0x08000000:leave
+  DFU_SUFFIX_ARGS ?= -v 0483 -p DF11
 endif
 
 ifneq (,$(filter $(MCU),atmega16u2 atmega32u2 atmega16u4 atmega32u4 at90usb646 at90usb1286))