djsundog
/
circuitpython
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

mimxrt/modmachine: Implement machine.bootloader(). 

If a board defines a custom bootloader entry function it will be called
first, if not and the ROM API supports RUN bootloader API, then
`machine.bootloader()` will jump to the ROM serial downloader in USB mode.
This commit is contained in:
iabdalkader 2023-04-09 19:20:09 +02:00 committed by Damien George
parent 8b72721b29
commit bde222ce84
2 changed files with 21 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
ports/mimxrt/Makefile
View File

@ -136,6 +136,7 @@ SRC_HAL_IMX_C += \
$(MCU_DIR)/drivers/fsl_lpuart.c \
$(MCU_DIR)/drivers/fsl_pit.c \
$(MCU_DIR)/drivers/fsl_pwm.c \
$(MCU_DIR)/drivers/fsl_romapi.c \
$(MCU_DIR)/drivers/fsl_sai.c \
$(MCU_DIR)/drivers/fsl_snvs_lp.c \
$(MCU_DIR)/drivers/fsl_wdog.c \

20
ports/mimxrt/modmachine.c
View File

@ -38,6 +38,7 @@
#include "pin.h"
#include "modmachine.h"
#include "fsl_wdog.h"
#include "fsl_romapi.h"
#if MICROPY_PY_MACHINE
@ -108,6 +109,24 @@ STATIC mp_obj_t machine_enable_irq(mp_obj_t state_in) {
}
MP_DEFINE_CONST_FUN_OBJ_1(machine_enable_irq_obj, machine_enable_irq);
NORETURN mp_obj_t machine_bootloader(size_t n_args, const mp_obj_t *args) {
#if defined(MICROPY_BOARD_ENTER_BOOTLOADER)
// If a board has a custom bootloader, call it first.
MICROPY_BOARD_ENTER_BOOTLOADER(n_args, args);
#elif FSL_ROM_HAS_RUNBOOTLOADER_API
// If not, enter ROM bootloader in serial downloader / USB mode.
uint32_t arg = 0xEB110000;
ROM_RunBootloader(&arg);
#else
// No custom bootloader, or run bootloader API, then just reset.
WDOG_TriggerSystemSoftwareReset(WDOG1);
#endif
while (1) {
;
}
}
STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(machine_bootloader_obj, 0, 1, machine_bootloader);
STATIC const mp_rom_map_elem_t machine_module_globals_table[] = {
{ MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_umachine) },
{ MP_ROM_QSTR(MP_QSTR_unique_id), MP_ROM_PTR(&machine_unique_id_obj) },
@ -144,6 +163,7 @@ STATIC const mp_rom_map_elem_t machine_module_globals_table[] = {
{ MP_ROM_QSTR(MP_QSTR_disable_irq), MP_ROM_PTR(&machine_disable_irq_obj) },
{ MP_ROM_QSTR(MP_QSTR_enable_irq), MP_ROM_PTR(&machine_enable_irq_obj) },
{ MP_ROM_QSTR(MP_QSTR_bootloader), MP_ROM_PTR(&machine_bootloader_obj) },
#if MICROPY_PY_MACHINE_BITSTREAM
{ MP_ROM_QSTR(MP_QSTR_bitstream), MP_ROM_PTR(&machine_bitstream_obj) },