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STM32H723 support (#21352)

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Nick Brassel 2023-06-28 13:07:14 +10:00 • committed by GitHub
parent ba055a9c7f
commit c814be0296
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GPG key ID: 4AEE18F83AFDEB23
13 changed files with 702 additions and 16 deletions
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73
platforms/chibios/bootloaders/stm32_dfu.c
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@ -1,4 +1,4 @@
/* Copyright 2021 QMK
/* 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
@ -15,12 +15,17 @@
*/
#include "bootloader.h"
#include "util.h"
#include <ch.h>
#include <hal.h>
#include "wait.h"
extern uint32_t __ram0_end__;
#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
@ -72,10 +77,25 @@ void enter_bootloader_mode_if_requested(void) {}
/* 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)
# 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) {
*MAGIC_ADDR = BOOTLOADER_MAGIC; // set magic flag => reset handler will jump into boot loader
bootloader_marker_enable();
NVIC_SystemReset();
}
@ -84,18 +104,43 @@ __attribute__((weak)) void mcu_reset(void) {
}
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 *)STM32_BOOTLOADER_ADDRESS);
if (bootloader_marker_active()) {
bootloader_marker_disable();
__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;
}
__enable_irq();
typedef void (*BootJump_t)(void);
BootJump_t boot_jump = *(BootJump_t *)(STM32_BOOTLOADER_ADDRESS + 4);
boot_jump();
while (1)
;
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);
// Jump to bootloader
__set_MSP(bootloader->stack_top);
bootloader->entrypoint();
while (true) {
}
}
}
#endif