mirror of
https://github.com/qmk/qmk_firmware.git
synced 2024-12-10 03:40:55 +00:00
501f2fdef1
* Normalise include statements in core code * Missed one
107 lines
3.8 KiB
C
107 lines
3.8 KiB
C
#include "bootloader.h"
|
|
|
|
#include <ch.h>
|
|
#include <hal.h>
|
|
#include "wait.h"
|
|
|
|
/* 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)
|
|
|
|
#ifndef STM32_BOOTLOADER_DUAL_BANK
|
|
# define STM32_BOOTLOADER_DUAL_BANK FALSE
|
|
#endif
|
|
|
|
#if STM32_BOOTLOADER_DUAL_BANK
|
|
|
|
// Need pin definitions
|
|
# include "config_common.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 100000
|
|
# endif
|
|
|
|
extern uint32_t __ram0_end__;
|
|
|
|
__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(100);
|
|
|
|
// Issue a system reset to get the ROM bootloader to execute, with BOOT0 high
|
|
NVIC_SystemReset();
|
|
}
|
|
|
|
void enter_bootloader_mode_if_requested(void) {} // not needed at all, but if anybody attempts to invoke it....
|
|
|
|
#elif defined(STM32_BOOTLOADER_ADDRESS) // STM32_BOOTLOADER_DUAL_BANK
|
|
|
|
extern uint32_t __ram0_end__;
|
|
|
|
__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 *)STM32_BOOTLOADER_ADDRESS);
|
|
__enable_irq();
|
|
|
|
typedef void (*BootJump_t)(void);
|
|
BootJump_t boot_jump = *(BootJump_t *)(STM32_BOOTLOADER_ADDRESS + 4);
|
|
boot_jump();
|
|
while (1)
|
|
;
|
|
}
|
|
}
|
|
|
|
#elif defined(KL2x) || defined(K20x) // STM32_BOOTLOADER_DUAL_BANK // STM32_BOOTLOADER_ADDRESS
|
|
/* Kinetis */
|
|
|
|
# if defined(BOOTLOADER_KIIBOHD)
|
|
/* Kiibohd Bootloader (MCHCK and Infinity KB) */
|
|
# define SCB_AIRCR_VECTKEY_WRITEMAGIC 0x05FA0000
|
|
const uint8_t sys_reset_to_loader_magic[] = "\xff\x00\x7fRESET TO LOADER\x7f\x00\xff";
|
|
__attribute__((weak)) void bootloader_jump(void) {
|
|
__builtin_memcpy((void *)VBAT, (const void *)sys_reset_to_loader_magic, sizeof(sys_reset_to_loader_magic));
|
|
// request reset
|
|
SCB->AIRCR = SCB_AIRCR_VECTKEY_WRITEMAGIC | SCB_AIRCR_SYSRESETREQ_Msk;
|
|
}
|
|
|
|
# else /* defined(BOOTLOADER_KIIBOHD) */
|
|
/* Default for Kinetis - expecting an ARM Teensy */
|
|
# include "wait.h"
|
|
__attribute__((weak)) void bootloader_jump(void) {
|
|
wait_ms(100);
|
|
__BKPT(0);
|
|
}
|
|
# endif /* defined(BOOTLOADER_KIIBOHD) */
|
|
|
|
#else /* neither STM32 nor KINETIS */
|
|
__attribute__((weak)) void bootloader_jump(void) {}
|
|
#endif
|