Remove bootloader logic from `mcu_selection.mk` (#20150)

* Remove bootloader logic from mcu_selection.mk

* Move MCU/BOOTLOADER to info.json

7 files changed, 97 insertions, 21 deletions

diff --git a/platforms/chibios/boards/STM32_F103_STM32DUINO/ld/STM32F103x6_stm32duino_bootloader.ld b/platforms/chibios/boards/STM32_F103_STM32DUINO/ld/STM32F103x6_stm32duino.ld
index 18aaff2a23..18aaff2a23 100644
--- a/platforms/chibios/boards/STM32_F103_STM32DUINO/ld/STM32F103x6_stm32duino_bootloader.ld
+++ b/platforms/chibios/boards/STM32_F103_STM32DUINO/ld/STM32F103x6_stm32duino.ld
diff --git a/platforms/chibios/boards/STM32_F103_STM32DUINO/ld/STM32F103x8_stm32duino_bootloader.ld b/platforms/chibios/boards/STM32_F103_STM32DUINO/ld/STM32F103x8_stm32duino.ld
index 465af12cab..465af12cab 100644
--- a/platforms/chibios/boards/STM32_F103_STM32DUINO/ld/STM32F103x8_stm32duino_bootloader.ld
+++ b/platforms/chibios/boards/STM32_F103_STM32DUINO/ld/STM32F103x8_stm32duino.ld
diff --git a/platforms/chibios/boards/STM32_F103_STM32DUINO/ld/STM32F103xB_stm32duino_bootloader.ld b/platforms/chibios/boards/STM32_F103_STM32DUINO/ld/STM32F103xB_stm32duino.ld
index 3a47a33156..3a47a33156 100644
--- a/platforms/chibios/boards/STM32_F103_STM32DUINO/ld/STM32F103xB_stm32duino_bootloader.ld
+++ b/platforms/chibios/boards/STM32_F103_STM32DUINO/ld/STM32F103xB_stm32duino.ld
diff --git a/platforms/chibios/boards/common/ld/STM32F103x8_uf2boot.ld b/platforms/chibios/boards/common/ld/STM32F103x8_uf2boot.ld
new file mode 100644
index 0000000000..adf43c362a
--- /dev/null
+++ b/platforms/chibios/boards/common/ld/STM32F103x8_uf2boot.ld
@@ -0,0 +1,88 @@
+/*
+    ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+
+        http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+*/
+
+/*
+ * ST32F103x8 memory setup.
+ */
+MEMORY
+{
+    flash0 (rx) : org = 0x08000000 + 16K, len = 64k - 16K
+    flash1 (rx) : org = 0x00000000, len = 0
+    flash2 (rx) : org = 0x00000000, len = 0
+    flash3 (rx) : org = 0x00000000, len = 0
+    flash4 (rx) : org = 0x00000000, len = 0
+    flash5 (rx) : org = 0x00000000, len = 0
+    flash6 (rx) : org = 0x00000000, len = 0
+    flash7 (rx) : org = 0x00000000, len = 0
+    ram0   (wx) : org = 0x20000000, len = 20k
+    ram1   (wx) : org = 0x00000000, len = 0
+    ram2   (wx) : org = 0x00000000, len = 0
+    ram3   (wx) : org = 0x00000000, len = 0
+    ram4   (wx) : org = 0x00000000, len = 0
+    ram5   (wx) : org = 0x00000000, len = 0
+    ram6   (wx) : org = 0x00000000, len = 0
+    ram7   (wx) : org = 0x00000000, len = 0
+}
+
+/* For each data/text section two region are defined, a virtual region
+   and a load region (_LMA suffix).*/
+
+/* Flash region to be used for exception vectors.*/
+REGION_ALIAS("VECTORS_FLASH", flash0);
+REGION_ALIAS("VECTORS_FLASH_LMA", flash0);
+
+/* Flash region to be used for constructors and destructors.*/
+REGION_ALIAS("XTORS_FLASH", flash0);
+REGION_ALIAS("XTORS_FLASH_LMA", flash0);
+
+/* Flash region to be used for code text.*/
+REGION_ALIAS("TEXT_FLASH", flash0);
+REGION_ALIAS("TEXT_FLASH_LMA", flash0);
+
+/* Flash region to be used for read only data.*/
+REGION_ALIAS("RODATA_FLASH", flash0);
+REGION_ALIAS("RODATA_FLASH_LMA", flash0);
+
+/* Flash region to be used for various.*/
+REGION_ALIAS("VARIOUS_FLASH", flash0);
+REGION_ALIAS("VARIOUS_FLASH_LMA", flash0);
+
+/* Flash region to be used for RAM(n) initialization data.*/
+REGION_ALIAS("RAM_INIT_FLASH_LMA", flash0);
+
+/* RAM region to be used for Main stack. This stack accommodates the processing
+   of all exceptions and interrupts.*/
+REGION_ALIAS("MAIN_STACK_RAM", ram0);
+
+/* RAM region to be used for the process stack. This is the stack used by
+   the main() function.*/
+REGION_ALIAS("PROCESS_STACK_RAM", ram0);
+
+/* RAM region to be used for data segment.*/
+REGION_ALIAS("DATA_RAM", ram0);
+REGION_ALIAS("DATA_RAM_LMA", flash0);
+
+/* RAM region to be used for BSS segment.*/
+REGION_ALIAS("BSS_RAM", ram0);
+
+/* RAM region to be used for the default heap.*/
+REGION_ALIAS("HEAP_RAM", ram0);
+
+/* Generic rules inclusion.*/
+INCLUDE rules.ld
+
+/* Bootloader reset support */
+_board_magic_reg = ORIGIN(ram0) + 16k; /* this is based off the code within backup.c */
diff --git a/platforms/chibios/bootloader.mk b/platforms/chibios/bootloader.mk
index 4812412344..fc898e7699 100644
--- a/platforms/chibios/bootloader.mk
+++ b/platforms/chibios/bootloader.mk
@@ -93,7 +93,6 @@ ifeq ($(strip $(BOOTLOADER)), kiibohd)
 endif
 ifeq ($(strip $(BOOTLOADER)), stm32duino)
     OPT_DEFS += -DBOOTLOADER_STM32DUINO
-    MCU_LDSCRIPT = STM32F103x8_stm32duino_bootloader
     BOARD = STM32_F103_STM32DUINO
     BOOTLOADER_TYPE = stm32duino
 
diff --git a/platforms/chibios/mcu_selection.mk b/platforms/chibios/mcu_selection.mk
index 6b6488466b..5f7bd1d44e 100644
--- a/platforms/chibios/mcu_selection.mk
+++ b/platforms/chibios/mcu_selection.mk
@@ -273,11 +273,7 @@ ifneq ($(findstring STM32F103, $(MCU)),)
   # Linker script to use
   # - it should exist either in <chibios>/os/common/startup/ARMCMx/compilers/GCC/ld/
   #   or <keyboard_dir>/ld/
-  ifeq ($(strip $(BOOTLOADER)), uf2boot)
-    MCU_LDSCRIPT ?= STM32F103xB_uf2boot
-  else
-    MCU_LDSCRIPT ?= STM32F103x8
-  endif
+  MCU_LDSCRIPT ?= STM32F103x8
 
   # Startup code to use
   #  - it should exist in <chibios>/os/common/startup/ARMCMx/compilers/GCC/mk/
@@ -311,11 +307,7 @@ ifneq ($(findstring STM32F303, $(MCU)),)
   # Linker script to use
   # - it should exist either in <chibios>/os/common/startup/ARMCMx/compilers/GCC/ld/
   #   or <keyboard_dir>/ld/
-  ifeq ($(strip $(BOOTLOADER)), tinyuf2)
-    MCU_LDSCRIPT ?= STM32F303xC_tinyuf2
-  else
-    MCU_LDSCRIPT ?= STM32F303xC
-  endif
+  MCU_LDSCRIPT ?= STM32F303xC
 
   # Startup code to use
   #  - it should exist in <chibios>/os/common/startup/ARMCMx/compilers/GCC/mk/
@@ -352,11 +344,7 @@ ifneq ($(findstring STM32F401, $(MCU)),)
   # Linker script to use
   # - it should exist either in <chibios>/os/common/startup/ARMCMx/compilers/GCC/ld/
   #   or <keyboard_dir>/ld/
-  ifeq ($(strip $(BOOTLOADER)), tinyuf2)
-    MCU_LDSCRIPT ?= STM32F401xC_tinyuf2
-  else
-    MCU_LDSCRIPT ?= STM32F401xC
-  endif
+  MCU_LDSCRIPT ?= STM32F401xC
 
   # Startup code to use
   #  - it should exist in <chibios>/os/common/startup/ARMCMx/compilers/GCC/mk/
@@ -471,11 +459,7 @@ ifneq ($(findstring STM32F411, $(MCU)),)
   # Linker script to use
   # - it should exist either in <chibios>/os/common/startup/ARMCMx/compilers/GCC/ld/
   #   or <keyboard_dir>/ld/
-  ifeq ($(strip $(BOOTLOADER)), tinyuf2)
-    MCU_LDSCRIPT ?= STM32F411xE_tinyuf2
-  else
-    MCU_LDSCRIPT ?= STM32F411xE
-  endif
+  MCU_LDSCRIPT ?= STM32F411xE
 
   # Startup code to use
   #  - it should exist in <chibios>/os/common/startup/ARMCMx/compilers/GCC/mk/
diff --git a/platforms/chibios/platform.mk b/platforms/chibios/platform.mk
index fd4c6bd2e5..6304b42d87 100644
--- a/platforms/chibios/platform.mk
+++ b/platforms/chibios/platform.mk
@@ -235,6 +235,11 @@ else ifneq ("$(wildcard $(KEYBOARD_PATH_2)/ld/$(MCU_LDSCRIPT).ld)","")
     LDSCRIPT = $(KEYBOARD_PATH_2)/ld/$(MCU_LDSCRIPT).ld
 else ifneq ("$(wildcard $(KEYBOARD_PATH_1)/ld/$(MCU_LDSCRIPT).ld)","")
     LDSCRIPT = $(KEYBOARD_PATH_1)/ld/$(MCU_LDSCRIPT).ld
+else ifneq ("$(wildcard $(TOP_DIR)/platforms/chibios/boards/$(BOARD)/ld/$(MCU_LDSCRIPT)_$(BOOTLOADER).ld)","")
+    LDFLAGS += -L$(TOP_DIR)/platforms/chibios/boards/$(BOARD)/ld
+    LDSCRIPT = $(TOP_DIR)/platforms/chibios/boards/$(BOARD)/ld/$(MCU_LDSCRIPT)_$(BOOTLOADER).ld
+else ifneq ("$(wildcard $(TOP_DIR)/platforms/chibios/boards/common/ld/$(MCU_LDSCRIPT)_$(BOOTLOADER).ld)","")
+    LDSCRIPT = $(TOP_DIR)/platforms/chibios/boards/common/ld/$(MCU_LDSCRIPT)_$(BOOTLOADER).ld
 else ifneq ("$(wildcard $(TOP_DIR)/platforms/chibios/boards/$(BOARD)/ld/$(MCU_LDSCRIPT).ld)","")
     LDFLAGS += -L$(TOP_DIR)/platforms/chibios/boards/$(BOARD)/ld
     LDSCRIPT = $(TOP_DIR)/platforms/chibios/boards/$(BOARD)/ld/$(MCU_LDSCRIPT).ld