diff options
| -rw-r--r-- | builddefs/bootloader.mk | 4 | ||||
| -rw-r--r-- | builddefs/mcu_selection.mk | 1 | ||||
| -rw-r--r-- | platforms/chibios/bootloaders/wb32_dfu.c | 49 |
3 files changed, 53 insertions, 1 deletions
diff --git a/builddefs/bootloader.mk b/builddefs/bootloader.mk index 226213297e..f0a6c084a2 100644 --- a/builddefs/bootloader.mk +++ b/builddefs/bootloader.mk @@ -202,6 +202,10 @@ ifeq ($(strip $(BOOTLOADER)), md-boot) OPT_DEFS += -DBOOTLOADER_MD_BOOT BOOTLOADER_TYPE = md_boot endif +ifeq ($(strip $(BOOTLOADER)), wb32-dfu) + OPT_DEFS += -DBOOTLOADER_WB32_DFU + BOOTLOADER_TYPE = wb32_dfu +endif ifeq ($(strip $(BOOTLOADER_TYPE)),) $(call CATASTROPHIC_ERROR,Invalid BOOTLOADER,No bootloader specified. Please set an appropriate 'BOOTLOADER' in your keyboard's 'rules.mk' file.) diff --git a/builddefs/mcu_selection.mk b/builddefs/mcu_selection.mk index ec33ee4446..dba5c404be 100644 --- a/builddefs/mcu_selection.mk +++ b/builddefs/mcu_selection.mk @@ -680,7 +680,6 @@ ifneq ($(findstring WB32F3G71, $(MCU)),) USE_FPU ?= no # Bootloader address for WB32 DFU - STM32_BOOTLOADER_ADDRESS ?= 0x1FFFE000 WB32_BOOTLOADER_ADDRESS ?= 0x1FFFE000 endif diff --git a/platforms/chibios/bootloaders/wb32_dfu.c b/platforms/chibios/bootloaders/wb32_dfu.c new file mode 100644 index 0000000000..70b18f0228 --- /dev/null +++ b/platforms/chibios/bootloaders/wb32_dfu.c @@ -0,0 +1,49 @@ +/* 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/>. + */ + +#include "bootloader.h" + +#include <ch.h> +#include <hal.h> +#include "wait.h" + +extern uint32_t __ram0_end__; + +/* This code should be checked whether it runs correctly on platforms */ +# define SYMVAL(sym) (uint32_t)(((uint8_t *)&(sym)) - ((uint8_t *)0)) +# define BOOTLOADER_MAGIC 0xDEADBEEF +# define MAGIC_ADDR (unsigned long *)(SYMVAL(__ram0_end__) - 4) + +__attribute__((weak)) void bootloader_jump(void) { + *MAGIC_ADDR = BOOTLOADER_MAGIC; // set magic flag => reset handler will jump into boot loader + NVIC_SystemReset(); +} + +void enter_bootloader_mode_if_requested(void) { + unsigned long *check = MAGIC_ADDR; + if (*check == BOOTLOADER_MAGIC) { + *check = 0; + __set_CONTROL(0); + __set_MSP(*(__IO uint32_t *)WB32_BOOTLOADER_ADDRESS); + __enable_irq(); + + typedef void (*BootJump_t)(void); + BootJump_t boot_jump = *(BootJump_t *)(WB32_BOOTLOADER_ADDRESS + 4); + boot_jump(); + while (1) + ; + } +} |