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68 lines
2.3 KiB
68 lines
2.3 KiB
/*
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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) 2018-2019 Damien P. George
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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 "storage.h"
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#include "qspi.h"
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#if MICROPY_HW_SPIFLASH_ENABLE_CACHE
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// Shared cache for first and second SPI block devices
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STATIC mp_spiflash_cache_t spi_bdev_cache;
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#endif
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// First external SPI flash uses software QSPI interface
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STATIC const mp_soft_qspi_obj_t soft_qspi_bus = {
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.cs = MICROPY_HW_SPIFLASH_CS,
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.clk = MICROPY_HW_SPIFLASH_SCK,
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.io0 = MICROPY_HW_SPIFLASH_IO0,
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.io1 = MICROPY_HW_SPIFLASH_IO1,
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.io2 = MICROPY_HW_SPIFLASH_IO2,
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.io3 = MICROPY_HW_SPIFLASH_IO3,
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};
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const mp_spiflash_config_t spiflash_config = {
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.bus_kind = MP_SPIFLASH_BUS_QSPI,
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.bus.u_qspi.data = (void*)&soft_qspi_bus,
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.bus.u_qspi.proto = &mp_soft_qspi_proto,
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#if MICROPY_HW_SPIFLASH_ENABLE_CACHE
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.cache = &spi_bdev_cache,
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#endif
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};
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spi_bdev_t spi_bdev;
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// Second external SPI flash uses hardware QSPI interface
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const mp_spiflash_config_t spiflash2_config = {
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.bus_kind = MP_SPIFLASH_BUS_QSPI,
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.bus.u_qspi.data = NULL,
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.bus.u_qspi.proto = &qspi_proto,
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#if MICROPY_HW_SPIFLASH_ENABLE_CACHE
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.cache = &spi_bdev_cache,
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#endif
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};
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spi_bdev_t spi_bdev2;
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