1 files changed, 74 insertions, 0 deletions

diff --git a/platforms/chibios/eeprom_stm32_defs.h b/platforms/chibios/eeprom_stm32_defs.h
new file mode 100644
index 000000000..66904f247
--- /dev/null
+++ b/platforms/chibios/eeprom_stm32_defs.h
@@ -0,0 +1,74 @@
+/* Copyright 2021 QMK
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#pragma once
+
+#include <hal.h>
+
+#if !defined(FEE_PAGE_SIZE) || !defined(FEE_PAGE_COUNT)
+#    if defined(STM32F103xB) || defined(STM32F042x6) || defined(GD32VF103C8) || defined(GD32VF103CB)
+#        ifndef FEE_PAGE_SIZE
+#            define FEE_PAGE_SIZE 0x400  // Page size = 1KByte
+#        endif
+#        ifndef FEE_PAGE_COUNT
+#            define FEE_PAGE_COUNT 2  // How many pages are used
+#        endif
+#    elif defined(STM32F103xE) || defined(STM32F303xC) || defined(STM32F072xB) || defined(STM32F070xB)
+#        ifndef FEE_PAGE_SIZE
+#            define FEE_PAGE_SIZE 0x800  // Page size = 2KByte
+#        endif
+#        ifndef FEE_PAGE_COUNT
+#            define FEE_PAGE_COUNT 4  // How many pages are used
+#        endif
+#    elif defined(STM32F401xC) || defined(STM32F401xE) || defined(STM32F405xG) || defined(STM32F411xE)
+#        ifndef FEE_PAGE_SIZE
+#            define FEE_PAGE_SIZE 0x4000  // Page size = 16KByte
+#        endif
+#        ifndef FEE_PAGE_COUNT
+#            define FEE_PAGE_COUNT 1  // How many pages are used
+#        endif
+#    endif
+#endif
+
+#if !defined(FEE_MCU_FLASH_SIZE)
+#    if defined(STM32F042x6)
+#        define FEE_MCU_FLASH_SIZE 32  // Size in Kb
+#    elif defined(GD32VF103C8)
+#        define FEE_MCU_FLASH_SIZE 64  // Size in Kb
+#    elif defined(STM32F103xB) || defined(STM32F072xB) || defined(STM32F070xB) || defined(GD32VF103CB)
+#        define FEE_MCU_FLASH_SIZE 128  // Size in Kb
+#    elif defined(STM32F303xC) || defined(STM32F401xC)
+#        define FEE_MCU_FLASH_SIZE 256  // Size in Kb
+#    elif defined(STM32F103xE) || defined(STM32F401xE) || defined(STM32F411xE)
+#        define FEE_MCU_FLASH_SIZE 512  // Size in Kb
+#    elif defined(STM32F405xG)
+#        define FEE_MCU_FLASH_SIZE 1024  // Size in Kb
+#    endif
+#endif
+
+/* Start of the emulated eeprom */
+#if !defined(FEE_PAGE_BASE_ADDRESS)
+#    if defined(STM32F401xC) || defined(STM32F401xE) || defined(STM32F405xG) || defined(STM32F411xE)
+#        ifndef FEE_PAGE_BASE_ADDRESS
+#            define FEE_PAGE_BASE_ADDRESS 0x08004000  // bodge to force 2nd 16k page
+#        endif
+#    else
+#        ifndef FEE_FLASH_BASE
+#            define FEE_FLASH_BASE 0x8000000
+#        endif
+/* Default to end of flash */
+#        define FEE_PAGE_BASE_ADDRESS ((uintptr_t)(FEE_FLASH_BASE) + FEE_MCU_FLASH_SIZE * 1024 - (FEE_PAGE_COUNT * FEE_PAGE_SIZE))
+#    endif
+#endif