diff options
Diffstat (limited to 'platforms')
| -rw-r--r-- | platforms/chibios/boards/common/ld/STM32F103xB_uf2boot.ld | 88 | ||||
| -rw-r--r-- | platforms/chibios/bootloader.mk | 5 | ||||
| -rw-r--r-- | platforms/chibios/bootloaders/uf2boot.c | 23 | ||||
| -rw-r--r-- | platforms/chibios/flash.mk | 2 |
4 files changed, 118 insertions, 0 deletions
diff --git a/platforms/chibios/boards/common/ld/STM32F103xB_uf2boot.ld b/platforms/chibios/boards/common/ld/STM32F103xB_uf2boot.ld new file mode 100644 index 0000000000..98d0f3ea75 --- /dev/null +++ b/platforms/chibios/boards/common/ld/STM32F103xB_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. +*/ + +/* + * ST32F103xB memory setup. + */ +MEMORY +{ + flash0 (rx) : org = 0x08000000 + 16K, len = 128k - 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 0568d35321..85f1866062 100644 --- a/platforms/chibios/bootloader.mk +++ b/platforms/chibios/bootloader.mk @@ -104,6 +104,11 @@ ifeq ($(strip $(BOOTLOADER)), tinyuf2) BOOTLOADER_TYPE = tinyuf2 FIRMWARE_FORMAT = uf2 endif +ifeq ($(strip $(BOOTLOADER)), uf2boot) + OPT_DEFS += -DBOOTLOADER_UF2BOOT + BOOTLOADER_TYPE = uf2boot + FIRMWARE_FORMAT = uf2 +endif ifeq ($(strip $(BOOTLOADER)), rp2040) OPT_DEFS += -DBOOTLOADER_RP2040 BOOTLOADER_TYPE = rp2040 diff --git a/platforms/chibios/bootloaders/uf2boot.c b/platforms/chibios/bootloaders/uf2boot.c new file mode 100644 index 0000000000..f5b1a64334 --- /dev/null +++ b/platforms/chibios/bootloaders/uf2boot.c @@ -0,0 +1,23 @@ +// Copyright 2023 QMK +// SPDX-License-Identifier: GPL-2.0-or-later + +#include "bootloader.h" + +// From mmoskal/uf2-stm32f103's backup.c +#define MAGIC_BOOT 0x544F4F42UL + +// defined by linker script +extern uint32_t _board_magic_reg[]; +#define MAGIC_REG _board_magic_reg[0] + +void bootloader_jump(void) { + MAGIC_REG = MAGIC_BOOT; + NVIC_SystemReset(); +} + +void mcu_reset(void) { + NVIC_SystemReset(); +} + +/* not needed, no two-stage reset */ +void enter_bootloader_mode_if_requested(void) {} diff --git a/platforms/chibios/flash.mk b/platforms/chibios/flash.mk index 6e23d96e1c..ac842e8d62 100644 --- a/platforms/chibios/flash.mk +++ b/platforms/chibios/flash.mk @@ -109,6 +109,8 @@ else ifeq ($(strip $(BOOTLOADER)),kiibohd) $(UNSYNC_OUTPUT_CMD) && $(call EXEC_DFU_UTIL) else ifeq ($(strip $(BOOTLOADER)),tinyuf2) $(UNSYNC_OUTPUT_CMD) && $(call EXEC_UF2_UTIL_DEPLOY) +else ifeq ($(strip $(BOOTLOADER)),uf2boot) + $(UNSYNC_OUTPUT_CMD) && $(call EXEC_UF2_UTIL_DEPLOY) else ifeq ($(strip $(BOOTLOADER)),rp2040) $(UNSYNC_OUTPUT_CMD) && $(call EXEC_UF2_UTIL_DEPLOY) else ifeq ($(strip $(MCU_FAMILY)),KINETIS) |