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Diffstat (limited to 'platforms/chibios/bootloaders/stm32_dfu.c')
-rw-r--r--platforms/chibios/bootloaders/stm32_dfu.c147
1 files changed, 0 insertions, 147 deletions
diff --git a/platforms/chibios/bootloaders/stm32_dfu.c b/platforms/chibios/bootloaders/stm32_dfu.c
deleted file mode 100644
index fba3086e7a..0000000000
--- a/platforms/chibios/bootloaders/stm32_dfu.c
+++ /dev/null
@@ -1,147 +0,0 @@
-/* Copyright 2021-2023 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 "util.h"
-
-#include <ch.h>
-#include <hal.h>
-#include "wait.h"
-
-#ifndef STM32_BOOTLOADER_RAM_SYMBOL
-# define STM32_BOOTLOADER_RAM_SYMBOL __ram0_end__
-#endif
-
-extern uint32_t STM32_BOOTLOADER_RAM_SYMBOL;
-
-#ifndef STM32_BOOTLOADER_DUAL_BANK
-# define STM32_BOOTLOADER_DUAL_BANK FALSE
-#endif
-
-#if STM32_BOOTLOADER_DUAL_BANK
-# include "gpio.h"
-
-# ifndef STM32_BOOTLOADER_DUAL_BANK_GPIO
-# error "No STM32_BOOTLOADER_DUAL_BANK_GPIO defined, don't know which pin to toggle"
-# endif
-
-# ifndef STM32_BOOTLOADER_DUAL_BANK_POLARITY
-# define STM32_BOOTLOADER_DUAL_BANK_POLARITY 0
-# endif
-
-# ifndef STM32_BOOTLOADER_DUAL_BANK_DELAY
-# define STM32_BOOTLOADER_DUAL_BANK_DELAY 100
-# endif
-
-__attribute__((weak)) void bootloader_jump(void) {
- // For STM32 MCUs with dual-bank flash, and we're incapable of jumping to the bootloader. The first valid flash
- // bank is executed unconditionally after a reset, so it doesn't enter DFU unless BOOT0 is high. Instead, we do
- // it with hardware...in this case, we pull a GPIO high/low depending on the configuration, connects 3.3V to
- // BOOT0's RC charging circuit, lets it charge the capacitor, and issue a system reset. See the QMK discord
- // #hardware channel pins for an example circuit.
- palSetPadMode(PAL_PORT(STM32_BOOTLOADER_DUAL_BANK_GPIO), PAL_PAD(STM32_BOOTLOADER_DUAL_BANK_GPIO), PAL_MODE_OUTPUT_PUSHPULL);
-# if STM32_BOOTLOADER_DUAL_BANK_POLARITY
- palSetPad(PAL_PORT(STM32_BOOTLOADER_DUAL_BANK_GPIO), PAL_PAD(STM32_BOOTLOADER_DUAL_BANK_GPIO));
-# else
- palClearPad(PAL_PORT(STM32_BOOTLOADER_DUAL_BANK_GPIO), PAL_PAD(STM32_BOOTLOADER_DUAL_BANK_GPIO));
-# endif
-
- // Wait for a while for the capacitor to charge
- wait_ms(STM32_BOOTLOADER_DUAL_BANK_DELAY);
-
- // Issue a system reset to get the ROM bootloader to execute, with BOOT0 high
- NVIC_SystemReset();
-}
-
-__attribute__((weak)) void mcu_reset(void) {
- NVIC_SystemReset();
-}
-// not needed at all, but if anybody attempts to invoke it....
-void enter_bootloader_mode_if_requested(void) {}
-
-#else
-
-/* 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(STM32_BOOTLOADER_RAM_SYMBOL) - 4)
-
-__attribute__((weak)) void bootloader_marker_enable(void) {
- uint32_t *marker = (uint32_t *)MAGIC_ADDR;
- *marker = BOOTLOADER_MAGIC; // set magic flag => reset handler will jump into boot loader
-}
-
-__attribute__((weak)) bool bootloader_marker_active(void) {
- const uint32_t *marker = (const uint32_t *)MAGIC_ADDR;
- return (*marker == BOOTLOADER_MAGIC) ? true : false;
-}
-
-__attribute__((weak)) void bootloader_marker_disable(void) {
- uint32_t *marker = (uint32_t *)MAGIC_ADDR;
- *marker = 0;
-}
-
-__attribute__((weak)) void bootloader_jump(void) {
- bootloader_marker_enable();
- NVIC_SystemReset();
-}
-
-__attribute__((weak)) void mcu_reset(void) {
- NVIC_SystemReset();
-}
-
-void enter_bootloader_mode_if_requested(void) {
- if (bootloader_marker_active()) {
- bootloader_marker_disable();
-
- struct system_memory_vector_t {
- uint32_t stack_top;
- void (*entrypoint)(void);
- };
- const struct system_memory_vector_t *bootloader = (const struct system_memory_vector_t *)(STM32_BOOTLOADER_ADDRESS);
-
- __disable_irq();
-
-# if defined(QMK_MCU_ARCH_CORTEX_M7)
- SCB_DisableDCache();
- SCB_DisableICache();
-# endif
-
-# if defined(__MPU_PRESENT) && (__MPU_PRESENT == 1U)
- ARM_MPU_Disable();
-# endif
-
- SysTick->CTRL = 0;
- SysTick->VAL = 0;
- SysTick->LOAD = 0;
-
- // Clear interrupt enable and interrupt pending registers
- for (int i = 0; i < ARRAY_SIZE(NVIC->ICER); i++) {
- NVIC->ICER[i] = 0xFFFFFFFF;
- NVIC->ICPR[i] = 0xFFFFFFFF;
- }
-
- __set_CONTROL(0);
- __set_MSP(bootloader->stack_top);
- __enable_irq();
-
- // Jump to bootloader
- bootloader->entrypoint();
- while (true) {
- }
- }
-}
-#endif