diff options
Diffstat (limited to 'platforms/chibios/bootloader.c')
| -rw-r--r-- | platforms/chibios/bootloader.c | 145 | 
1 files changed, 0 insertions, 145 deletions
| diff --git a/platforms/chibios/bootloader.c b/platforms/chibios/bootloader.c deleted file mode 100644 index 58212948b0..0000000000 --- a/platforms/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\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"; -__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 | 
