a9dc31a881
This adds a script to generate the peripherals files (except clock). It adds support for the 1015, 1020, 1040, and 1050 EVKs. Some work was started on 1176 but it isn't working. So, the board def is in a separate branch. Fixes #3521. Fixes #2477.
119 lines
3.9 KiB
C
119 lines
3.9 KiB
C
/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2016 Scott Shawcroft for Adafruit Industries
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* Copyright (c) 2019 Artur Pacholec
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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// TODO
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#include "py/mphal.h"
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#include "py/obj.h"
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#include "py/runtime.h"
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#include "fsl_device_registers.h"
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#include "reset.h"
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#include "shared-bindings/microcontroller/__init__.h"
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#include "shared-bindings/microcontroller/Pin.h"
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#include "shared-bindings/microcontroller/Processor.h"
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#include "supervisor/linker.h"
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#include "supervisor/shared/safe_mode.h"
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#include "supervisor/shared/translate/translate.h"
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#include "pins.h"
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void common_hal_mcu_delay_us(uint32_t delay) {
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mp_hal_delay_us(delay);
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}
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volatile uint32_t PLACE_IN_DTCM_BSS(nesting_count) = 0;
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void PLACE_IN_ITCM(common_hal_mcu_disable_interrupts)(void) {
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__disable_irq();
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__DMB();
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nesting_count++;
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}
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void PLACE_IN_ITCM(common_hal_mcu_enable_interrupts)(void) {
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if (nesting_count == 0) {
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// This is very very bad because it means there was mismatched disable/enables
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reset_into_safe_mode(SAFE_MODE_INTERRUPT_ERROR);
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}
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nesting_count--;
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if (nesting_count > 0) {
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return;
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}
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__DMB();
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__enable_irq();
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}
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void common_hal_mcu_on_next_reset(mcu_runmode_t runmode) {
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if (runmode == RUNMODE_BOOTLOADER) {
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if (!bootloader_available()) {
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mp_raise_ValueError(translate("Cannot reset into bootloader because no bootloader is present"));
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}
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// Pretend to be the first of the two reset presses needed to enter the
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// bootloader. That way one reset will end in the bootloader.
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DBL_TAP_REG = DBL_TAP_MAGIC;
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} else {
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// Set up the default.
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DBL_TAP_REG = DBL_TAP_MAGIC_QUICK_BOOT;
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}
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if (runmode == RUNMODE_SAFE_MODE) {
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safe_mode_on_next_reset(SAFE_MODE_PROGRAMMATIC);
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}
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}
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void common_hal_mcu_reset(void) {
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NVIC_SystemReset();
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}
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// The singleton microcontroller.Processor object, bound to microcontroller.cpu
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// It currently only has properties, and no state.
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const mcu_processor_obj_t common_hal_mcu_processor_obj = {
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.base = {
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.type = &mcu_processor_type,
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},
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};
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// NVM is only available on Express boards for now.
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#if CIRCUITPY_INTERNAL_NVM_SIZE > 0
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// The singleton nvm.ByteArray object.
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const nvm_bytearray_obj_t common_hal_mcu_nvm_obj = {
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.base = {
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.type = &nvm_bytearray_type,
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},
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.len = CIRCUITPY_INTERNAL_NVM_SIZE,
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.start_address = (uint8_t *)(FLASH_SIZE - CIRCUITPY_INTERNAL_NVM_SIZE)
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};
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#endif
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// This maps MCU pin names to pin objects.
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// NOTE: for all i.MX chips, order MUST match _iomuxc_sw_mux_ctl_pad enum
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STATIC const mp_rom_map_elem_t mcu_pin_global_dict_table[PIN_COUNT] = {
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#define FORMAT_PIN(pin_name) { MP_ROM_QSTR(MP_QSTR_##pin_name), MP_ROM_PTR(&pin_##pin_name) },
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#include "pin_names.h"
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#undef FORMAT_PIN
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};
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MP_DEFINE_CONST_DICT(mcu_pin_globals, mcu_pin_global_dict_table);
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