diff options
| author | Christopher Browne <cbbrowne@ca.afilias.info> | 2016-07-04 12:32:08 -0400 |
|---|---|---|
| committer | Christopher Browne <cbbrowne@ca.afilias.info> | 2016-07-04 12:32:08 -0400 |
| commit | 2e1cfaf73fccdfaba2d7542f00bd7c3d49998d5d (patch) | |
| tree | 9d8e9c6b71116f01c56c870a9e1071760899ff77 /tmk_core/common/chibios/bootloader.c | |
| parent | 44a5f7630f18b40b36270d49449a43cd42b802f0 (diff) | |
| parent | 9e01b219f32b0086728c10658928b8bffcc26ef7 (diff) | |
Merge branch 'master' of https://github.com/jackhumbert/qmk_firmware
Diffstat (limited to 'tmk_core/common/chibios/bootloader.c')
| -rw-r--r-- | tmk_core/common/chibios/bootloader.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/tmk_core/common/chibios/bootloader.c b/tmk_core/common/chibios/bootloader.c new file mode 100644 index 0000000000..8a533ab6f6 --- /dev/null +++ b/tmk_core/common/chibios/bootloader.c @@ -0,0 +1,47 @@ +#include "bootloader.h" + +#include "ch.h" +#include "hal.h" + +#ifdef STM32_BOOTLOADER_ADDRESS +/* STM32 */ + +#if defined(STM32F0XX) +/* This code should be checked whether it runs correctly on platforms */ +#define SYMVAL(sym) (uint32_t)(((uint8_t *)&(sym)) - ((uint8_t *)0)) +extern uint32_t __ram0_end__; + +void bootloader_jump(void) { + *((unsigned long *)(SYMVAL(__ram0_end__) - 4)) = 0xDEADBEEF; // set magic flag => reset handler will jump into boot loader + NVIC_SystemReset(); +} + +#else /* defined(STM32F0XX) */ +#error Check that the bootloader code works on your platform and add it to bootloader.c! +#endif /* defined(STM32F0XX) */ + +#elif defined(KL2x) || defined(K20x) /* STM32_BOOTLOADER_ADDRESS */ +/* Kinetis */ + +#if defined(KIIBOHD_BOOTLOADER) +/* 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"; +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(KIIBOHD_BOOTLOADER) */ +/* Default for Kinetis - expecting an ARM Teensy */ +void bootloader_jump(void) { + chThdSleepMilliseconds(100); + __BKPT(0); +} +#endif /* defined(KIIBOHD_BOOTLOADER) */ + +#else /* neither STM32 nor KINETIS */ +__attribute__((weak)) +void bootloader_jump(void) {} +#endif
\ No newline at end of file |