From 80ddc0b06c5babe8779fc0c787e79abd38df317f Mon Sep 17 00:00:00 2001
From: Stefan Kerkmann <karlk90@pm.me>
Date: Sun, 18 Aug 2024 19:07:08 +0200
Subject: [PATCH] chibios: mcu selection: add stm32g0b1

Signed-off-by: Stefan Kerkmann <karlk90@pm.me>
---
 platforms/chibios/mcu_selection.mk | 35 ++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)

diff --git a/platforms/chibios/mcu_selection.mk b/platforms/chibios/mcu_selection.mk
index a1597fa1e91..db8f9972730 100644
--- a/platforms/chibios/mcu_selection.mk
+++ b/platforms/chibios/mcu_selection.mk
@@ -511,6 +511,41 @@ ifneq ($(findstring STM32F446, $(MCU)),)
   EEPROM_DRIVER ?= transient
 endif
 
+ifneq ($(findstring STM32G0B1, $(MCU)),)
+  # Cortex version
+  MCU = cortex-m0plus
+
+  # ARM version, CORTEX-M0/M1 are 6, CORTEX-M3/M4/M7 are 7
+  ARMV = 6
+
+  ## chip/board settings
+  # - the next two should match the directories in
+  #   <chibios[-contrib]>/os/hal/ports/$(MCU_PORT_NAME)/$(MCU_SERIES)
+  #   OR
+  #   <chibios[-contrib]>/os/hal/ports/$(MCU_FAMILY)/$(MCU_SERIES)
+  MCU_FAMILY = STM32
+  MCU_SERIES = STM32G0xx
+
+  # Linker script to use
+  # - it should exist either in <chibios>/os/common/startup/ARMCMx/compilers/GCC/ld/
+  #   or <keyboard_dir>/ld/
+  MCU_LDSCRIPT ?= STM32G0B1xB
+
+  # Startup code to use
+  #  - it should exist in <chibios>/os/common/startup/ARMCMx/compilers/GCC/mk/
+  MCU_STARTUP ?= stm32g0xx
+
+  # Board: it should exist either in <chibios>/os/hal/boards/,
+  # <keyboard_dir>/boards/, or drivers/boards/
+  BOARD ?= GENERIC_STM32_G0B1XB
+
+  # UF2 settings
+  UF2_FAMILY ?= STM32G0
+
+  # Bootloader address for STM32 DFU
+  STM32_BOOTLOADER_ADDRESS ?= 0x1FFF0000
+endif
+
 ifneq ($(findstring STM32G431, $(MCU)),)
   # Cortex version
   MCU = cortex-m4