diff options
Diffstat (limited to 'tmk_core/common/chibios/bootloader.c')
| -rw-r--r-- | tmk_core/common/chibios/bootloader.c | 145 |
1 files changed, 0 insertions, 145 deletions
diff --git a/tmk_core/common/chibios/bootloader.c b/tmk_core/common/chibios/bootloader.c deleted file mode 100644 index 5cadadeeeb..0000000000 --- a/tmk_core/common/chibios/bootloader.c +++ /dev/null @@ -1,145 +0,0 @@ -#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 - -#ifdef BOOTLOADER_TINYUF2 - -# define DBL_TAP_MAGIC 0xf01669ef // From tinyuf2's board_api.h - -// defined by linker script -extern uint32_t _board_dfu_dbl_tap[]; -# define DBL_TAP_REG _board_dfu_dbl_tap[0] - -void bootloader_jump(void) { - DBL_TAP_REG = DBL_TAP_MAGIC; - NVIC_SystemReset(); -} - -void enter_bootloader_mode_if_requested(void) { /* not needed, no two-stage reset */ -} - -#elif 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(GD32VF103) - -# define DBGMCU_KEY_UNLOCK 0x4B5A6978 -# define DBGMCU_CMD_RESET 0x1 - -__IO uint32_t *DBGMCU_KEY = (uint32_t *)DBGMCU_BASE + 0x0CU; -__IO uint32_t *DBGMCU_CMD = (uint32_t *)DBGMCU_BASE + 0x08U; - -__attribute__((weak)) void bootloader_jump(void) { - /* The MTIMER unit of the GD32VF103 doesn't have the MSFRST - * register to generate a software reset request. - * BUT instead two undocumented registers in the debug peripheral - * that allow issueing a software reset. WHO would need the MSFRST - * register anyway? Source: - * https://github.com/esmil/gd32vf103inator/blob/master/include/gd32vf103/dbg.h */ - *DBGMCU_KEY = DBGMCU_KEY_UNLOCK; - *DBGMCU_CMD = DBGMCU_CMD_RESET; -} - -void enter_bootloader_mode_if_requested(void) { /* Jumping to bootloader is not possible from user code. */ -} - -#elif defined(KL2x) || defined(K20x) || defined(MK66F18) || defined(MIMXRT1062) // 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) { - void *volatile vbat = (void *)VBAT; - __builtin_memcpy(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 |