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Add ItsyBitsy M0 support with 1MB flash support (adafruit#445)
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‎atmel-samd/boards/feather_m0_express/mpconfigboard.h

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#define SPI_FLASH_CS PIN_PA13
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#define MICROPY_PORT_A (PORT_PA06 | PORT_PA08 | PORT_PA09 | PORT_PA14 | PORT_PA13 | PORT_PA14 | PORT_PA24 | PORT_PA25)
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#define MICROPY_PORT_A (PORT_PA06 | PORT_PA08 | PORT_PA09 | PORT_PA13 | PORT_PA14 | PORT_PA24 | PORT_PA25)
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#define MICROPY_PORT_B ( 0 )
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#include "spi_flash.h"

‎atmel-samd/boards/flash_W25Q80DV.h

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/*
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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) 2017 Scott Shawcroft for Adafruit Industries
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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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#ifndef MICROPY_INCLUDED_ATMEL_SAMD_BOARD_FLASH_W25Q80DV_H
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#define MICROPY_INCLUDED_ATMEL_SAMD_BOARD_FLASH_W25Q80DV_H
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// The total flash size in bytes.
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#define SPI_FLASH_TOTAL_SIZE (1 << 20) // 1 MiB
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// The size of the smallest erase unit thats erased with command 0x20.
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#define SPI_FLASH_ERASE_SIZE (1 << 12) // 4 KiB
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// The size of a page that is programmed with page program command 0x02.
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#define SPI_FLASH_PAGE_SIZE (256) // 256 bytes
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// These are the first three response bytes to the JEDEC ID command 0x9f that is
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// used to confirm we're talking to the flash we expect.
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#ifndef SPI_FLASH_JEDEC_MANUFACTURER
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#define SPI_FLASH_JEDEC_MANUFACTURER 0xef
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#define SPI_FLASH_SECTOR_PROTECTION false
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#else
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#define SPI_FLASH_JEDEC_MANUFACTURER_2 0xef
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#define SPI_FLASH_SECTOR_PROTECTION_2 false
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#endif
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#define SPI_FLASH_JEDEC_MEMORY_TYPE 0x40
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#define SPI_FLASH_JEDEC_CAPACITY 0x14
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#endif // MICROPY_INCLUDED_ATMEL_SAMD_BOARD_FLASH_W25Q80DV_H

‎atmel-samd/boards/itsybitsy_m0/board.c

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/*
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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) 2017 Scott Shawcroft for Adafruit Industries
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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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#include "boards/board.h"
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void board_init(void) {
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}
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bool board_requests_safe_mode(void) {
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return false;
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}
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void reset_board(void) {
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}

‎atmel-samd/boards/itsybitsy_m0/conf_access.h

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/**
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* \file
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*
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* \brief Memory access control configuration file.
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*
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* Copyright (c) 2014-2015 Atmel Corporation. All rights reserved.
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*
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* \asf_license_start
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*
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* \page License
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* 3. The name of Atmel may not be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* 4. This software may only be redistributed and used in connection with an
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* Atmel microcontroller product.
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*
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* THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
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* EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* \asf_license_stop
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*
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*/
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/*
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* Support and FAQ: visit <a href="http://www.atmel.com/design-support/">Atmel Support</a>
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*/
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#ifndef _CONF_ACCESS_H_
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#define _CONF_ACCESS_H_
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#include "compiler.h"
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#include "board.h"
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/*! \name Activation of Logical Unit Numbers
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*/
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//! @{
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#define LUN_0 ENABLE //!< On-Chip Virtual Memory.
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#define LUN_1 DISABLE //!< AT45DBX Data Flash.
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#define LUN_2 DISABLE //!< SD/MMC Card over SPI.
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#define LUN_3 DISABLE //!< SD/MMC Card over MCI Slot 0.
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#define LUN_4 DISABLE
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#define LUN_5 DISABLE
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#define LUN_6 DISABLE
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#define LUN_7 DISABLE
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#define LUN_USB DISABLE //!< Host Mass-Storage Memory.
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//! @}
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/*! \name LUN 0 Definitions
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*/
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//! @{
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#define LUN_0_INCLUDE "access_vfs.h"
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#define Lun_0_test_unit_ready vfs_test_unit_ready
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#define Lun_0_read_capacity vfs_read_capacity
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#define Lun_0_unload NULL
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#define Lun_0_wr_protect vfs_wr_protect
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#define Lun_0_removal vfs_removal
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#define Lun_0_usb_read_10 vfs_usb_read_10
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#define Lun_0_usb_write_10 vfs_usb_write_10
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#define LUN_0_NAME "\"MicroPython VFS[0]\""
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//! @}
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#define MEM_USB LUN_USB
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/*! \name Actions Associated with Memory Accesses
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*
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* Write here the action to associate with each memory access.
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*
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* \warning Be careful not to waste time in order not to disturb the functions.
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*/
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//! @{
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#define memory_start_read_action(nb_sectors)
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#define memory_stop_read_action()
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#define memory_start_write_action(nb_sectors)
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#define memory_stop_write_action()
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//! @}
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/*! \name Activation of Interface Features
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*/
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//! @{
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#define ACCESS_USB true //!< MEM <-> USB interface.
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#define ACCESS_MEM_TO_RAM false //!< MEM <-> RAM interface.
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#define ACCESS_STREAM false //!< Streaming MEM <-> MEM interface.
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#define ACCESS_STREAM_RECORD false //!< Streaming MEM <-> MEM interface in record mode.
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#define ACCESS_MEM_TO_MEM false //!< MEM <-> MEM interface.
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#define ACCESS_CODEC false //!< Codec interface.
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//! @}
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/*! \name Specific Options for Access Control
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*/
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//! @{
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#define GLOBAL_WR_PROTECT false //!< Management of a global write protection.
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//! @}
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#endif // _CONF_ACCESS_H_

‎atmel-samd/boards/itsybitsy_m0/conf_board.h

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/**
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* \file
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*
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* \brief User board configuration template
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*
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*/
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/*
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* Support and FAQ: visit <a href="http://www.atmel.com/design-support/">Atmel Support</a>
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*/
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#ifndef CONF_BOARD_H
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#define CONF_BOARD_H
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#endif // CONF_BOARD_H

‎atmel-samd/boards/itsybitsy_m0/conf_clocks.h

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#include "conf_clocks_crystalless.h"

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