diff options
| -rw-r--r-- | docs/flashing.md | 2 | ||||
| -rw-r--r-- | platforms/chibios/BLACKPILL_STM32_F401/ld/STM32F401xC_tinyuf2.ld | 88 | ||||
| -rw-r--r-- | platforms/chibios/BLACKPILL_STM32_F401/ld/STM32F401xE_tinyuf2.ld | 88 | ||||
| -rw-r--r-- | quantum/mcu_selection.mk | 7 |
4 files changed, 183 insertions, 2 deletions
diff --git a/docs/flashing.md b/docs/flashing.md index fae9c5d1c4..7b7fe956f3 100644 --- a/docs/flashing.md +++ b/docs/flashing.md @@ -298,7 +298,7 @@ Flashing sequence: ## tinyuf2 -Keyboards may opt into supporting the tinyuf2 bootloader. This is currently only supported on the F411 blackpill. +Keyboards may opt into supporting the tinyuf2 bootloader. This is currently only supported on the F401/F411 blackpill. The `rules.mk` setting for this bootloader is `tinyuf2`, and can be specified at the keymap or user level. diff --git a/platforms/chibios/BLACKPILL_STM32_F401/ld/STM32F401xC_tinyuf2.ld b/platforms/chibios/BLACKPILL_STM32_F401/ld/STM32F401xC_tinyuf2.ld new file mode 100644 index 0000000000..f4e487dc8f --- /dev/null +++ b/platforms/chibios/BLACKPILL_STM32_F401/ld/STM32F401xC_tinyuf2.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. +*/ + +/* + * STM32F401xC memory setup. + */ +MEMORY +{ + flash0 (rx) : org = 0x08000000 + 64k, len = 256k - 64k /* tinyuf2 bootloader requires app to be located at 64k offset for this MCU */ + 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 = 64k + 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 + +/* TinyUF2 bootloader reset support */ +_board_dfu_dbl_tap = ORIGIN(ram0) + 64k - 4; /* this is based off the linker file for tinyuf2 */ diff --git a/platforms/chibios/BLACKPILL_STM32_F401/ld/STM32F401xE_tinyuf2.ld b/platforms/chibios/BLACKPILL_STM32_F401/ld/STM32F401xE_tinyuf2.ld new file mode 100644 index 0000000000..895d13fa32 --- /dev/null +++ b/platforms/chibios/BLACKPILL_STM32_F401/ld/STM32F401xE_tinyuf2.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. +*/ + +/* + * STM32F401xE memory setup. + */ +MEMORY +{ + flash0 (rx) : org = 0x08000000 + 64k, len = 512k - 64k /* tinyuf2 bootloader requires app to be located at 64k offset for this MCU */ + 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 = 96k + 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 + +/* TinyUF2 bootloader reset support */ +_board_dfu_dbl_tap = ORIGIN(ram0) + 64k - 4; /* this is based off the linker file for tinyuf2 */ diff --git a/quantum/mcu_selection.mk b/quantum/mcu_selection.mk index dc441d27bc..f7eaeec8ac 100644 --- a/quantum/mcu_selection.mk +++ b/quantum/mcu_selection.mk @@ -252,7 +252,12 @@ ifneq ($(findstring STM32F401, $(MCU)),) # Linker script to use # - it should exist either in <chibios>/os/common/ports/ARMCMx/compilers/GCC/ld/ # or <keyboard_dir>/ld/ - MCU_LDSCRIPT ?= STM32F401xC + ifeq ($(strip $(BOOTLOADER)), tinyuf2) + MCU_LDSCRIPT ?= STM32F401xC_tinyuf2 + FIRMWARE_FORMAT ?= uf2 + else + MCU_LDSCRIPT ?= STM32F401xC + endif # Startup code to use # - it should exist in <chibios>/os/common/startup/ARMCMx/compilers/GCC/mk/ |