qmk_firmware/tmk_core/common/chibios/bootloader.c
James Young c66df16644
2020 November 28 Breaking Changes Update (#11053)
* Branch point for 2020 November 28 Breaking Change                                                

* Remove matrix_col_t to allow MATRIX_ROWS > 32 (#10183)                                           

* Add support for soft serial to ATmega32U2 (#10204)                                               

* Change MIDI velocity implementation to allow direct control of velocity value (#9940)            

* Add ability to build a subset of all keyboards based on platform.                                

* Actually use eeprom_driver_init().                                                               

* Make bootloader_jump weak for ChibiOS. (#10417)                                                  

* Joystick 16-bit support (#10439)                                                                 

* Per-encoder resolutions (#10259)                                                                 

* Share button state from mousekey to pointing_device (#10179)                                     

* Add hotfix for chibios keyboards not wake (#10088)                                               

* Add advanced/efficient RGB Matrix Indicators (#8564)                                             

* Naming change.                                                                                   

* Support for STM32 GPIOF,G,H,I,J,K (#10206)                                                       

* Add milc as a dependency and remove the installed milc (#10563)                                  

* ChibiOS upgrade: early init conversions (#10214)                                                 

* ChibiOS upgrade: configuration file migrator (#9952)                                             

* Haptic and solenoid cleanup (#9700)                                                              

* XD75 cleanup (#10524)                                                                            

* OLED display update interval support (#10388)                                                    

* Add definition based on currently-selected serial driver. (#10716)                               

* New feature: Retro Tapping per key (#10622)                                                      

* Allow for modification of output RGB values when using rgblight/rgb_matrix. (#10638)             

* Add housekeeping task callbacks so that keyboards/keymaps are capable of executing code for each main loop iteration. (#10530)

* Rescale both ChibiOS and AVR backlighting.                                                       

* Reduce Helix keyboard build variation (#8669)                                                    

* Minor change to behavior allowing display updates to continue between task ticks (#10750)        

* Some GPIO manipulations in matrix.c change to atomic. (#10491)                                   

* qmk cformat (#10767)                                                                             

* [Keyboard] Update the Speedo firmware for v3.0 (#10657)                                          

* Maartenwut/Maarten namechange to evyd13/Evy (#10274)                                             

* [quantum] combine repeated lines of code (#10837)                                                

* Add step sequencer feature (#9703)                                                               

* aeboards/ext65 refactor (#10820)                                                                 

* Refactor xelus/dawn60 for Rev2 later (#10584)                                                    

* add DEBUG_MATRIX_SCAN_RATE_ENABLE to common_features.mk (#10824)                                 

* [Core] Added `add_oneshot_mods` & `del_oneshot_mods` (#10549)                                    

* update chibios os usb for the otg driver (#8893)                                                 

* Remove HD44780 References, Part 4 (#10735)                                                       

* [Keyboard] Add Valor FRL TKL (+refactor) (#10512)                                                

* Fix cursor position bug in oled_write_raw functions (#10800)                                     

* Fixup version.h writing when using SKIP_VERSION=yes (#10972)                                     

* Allow for certain code in the codebase assuming length of string. (#10974)                       

* Add AT90USB support for serial.c (#10706)                                                        

* Auto shift: support repeats and early registration (#9826)                                       

* Rename ledmatrix.h to match .c file (#7949)                                                      

* Split RGB_MATRIX_ENABLE into _ENABLE and _DRIVER (#10231)                                        

* Split LED_MATRIX_ENABLE into _ENABLE and _DRIVER (#10840)                                        

* Merge point for 2020 Nov 28 Breaking Change
2020-11-28 12:02:18 -08:00

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