From 8bb231aa1c40a7c6b6fdd229e88ef79c3fa930e2 Mon Sep 17 00:00:00 2001
From: Nick Brassel <nick@tzarc.org>
Date: Wed, 30 Jun 2021 10:07:40 +1000
Subject: Adds support for STM32L412xB, STM32L422xB. (#13383)

* Adds support for STM32L412xB, STM32L422xB.

* Add to list of supported MCUs.

* Disable SPI1 by default.
---
 quantum/mcu_selection.mk | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

(limited to 'quantum')

diff --git a/quantum/mcu_selection.mk b/quantum/mcu_selection.mk
index f8def7f674..ca0accd719 100644
--- a/quantum/mcu_selection.mk
+++ b/quantum/mcu_selection.mk
@@ -433,6 +433,40 @@ ifneq (,$(filter $(MCU),STM32L433 STM32L443))
   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)/$(MCU_SERIES)
+  MCU_FAMILY = STM32
+  MCU_SERIES = STM32L4xx
+
+  # Linker script to use
+  # - it should exist either in <chibios>/os/common/ports/ARMCMx/compilers/GCC/ld/
+  #   or <keyboard_dir>/ld/
+  MCU_LDSCRIPT ?= STM32L412xB
+
+  # Startup code to use
+  #  - it should exist in <chibios>/os/common/startup/ARMCMx/compilers/GCC/mk/
+  MCU_STARTUP ?= stm32l4xx
+
+  # Board: it should exist either in <chibios>/os/hal/boards/,
+  # <keyboard_dir>/boards/, or drivers/boards/
+  BOARD ?= GENERIC_STM32_L412XB
+
+  PLATFORM_NAME ?= platform_l432
+
+  USE_FPU ?= yes
+
+  # UF2 settings
+  UF2_FAMILY ?= STM32L4
+endif
+
 ifneq (,$(filter $(MCU),at90usb162 atmega16u2 atmega32u2 atmega16u4 atmega32u4 at90usb646 at90usb647 at90usb1286 at90usb1287))
   PROTOCOL = LUFA
 
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