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cd1d47b87c
1. CFI-Nor flash DM driver. 2. SPI-Nor flash DM driver. Signed-off-by: GuEe-GUI <2991707448@qq.com>
99 lines
3.1 KiB
C
99 lines
3.1 KiB
C
/*
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* Copyright (c) 2006-2023, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2023-02-25 GuEe-GUI the first version
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*/
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#include <rtthread.h>
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#include <rtdevice.h>
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#include "dev_spi_flash_sfud.h"
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extern rt_err_t rt_spidev_device_init(struct rt_spi_device *dev, const char *name);
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static rt_err_t spi_nor_flash_probe(struct rt_spi_device *spi_dev)
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{
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rt_spi_flash_device_t flash;
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const char *dev_name = rt_dm_dev_get_name(&spi_dev->parent);
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const char *vendor = spi_dev->id ? spi_dev->id->name : "spi-nor";
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rt_spidev_device_init(spi_dev, dev_name);
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if (!(flash = rt_sfud_flash_probe(vendor, dev_name)))
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{
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/* Maybe is not support by SFUD now, user could access it later */
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return -RT_ENOSYS;
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}
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rt_dm_dev_set_name_auto(&flash->flash_device, "nor");
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return RT_EOK;
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}
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static const struct rt_spi_device_id spi_nor_flash_ids[] =
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{
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/*
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* Allow non-DT platform devices to bind to the "spi-nor" modalias, and
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* hack around the fact that the SPI core does not provide uevent
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* matching for .ofw_ids
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*/
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{ "spi-nor" },
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/*
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* Entries not used in DTs that should be safe to drop after replacing
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* them with "spi-nor" in platform data.
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*/
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{ "s25sl064a" }, { "w25x16" }, { "m25p10" }, { "m25px64" },
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/*
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* Entries that were used in DTs without "jedec,spi-nor" fallback and
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* should be kept for backward compatibility.
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*/
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{ "at25df321a" }, { "at25df641" }, { "at26df081a" },
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{ "mx25l4005a" }, { "mx25l1606e" }, { "mx25l6405d" }, { "mx25l12805d" },
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{ "mx25l25635e" }, { "mx66l51235l" },
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{ "n25q064" }, { "n25q128a11" }, { "n25q128a13" }, { "n25q512a" },
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{ "s25fl256s1" }, { "s25fl512s" }, { "s25sl12801" }, { "s25fl008k" },
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{ "s25fl064k" },
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{ "sst25vf040b" }, { "sst25vf016b" }, { "sst25vf032b" }, { "sst25wf040" },
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{ "m25p40" }, { "m25p80" }, { "m25p16" }, { "m25p32" },
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{ "m25p64" }, { "m25p128" },
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{ "w25x80" }, { "w25x32" }, { "w25q32" }, { "w25q32dw" },
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{ "w25q80bl" }, { "w25q128" }, { "w25q256" },
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/* Flashes that can't be detected using JEDEC */
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{ "m25p05-nonjedec" }, { "m25p10-nonjedec" }, { "m25p20-nonjedec" },
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{ "m25p40-nonjedec" }, { "m25p80-nonjedec" }, { "m25p16-nonjedec" },
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{ "m25p32-nonjedec" }, { "m25p64-nonjedec" }, { "m25p128-nonjedec" },
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/* Everspin MRAMs (non-JEDEC) */
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{ "mr25h128" }, /* 128 Kib, 40 MHz */
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{ "mr25h256" }, /* 256 Kib, 40 MHz */
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{ "mr25h10" }, /* 1 Mib, 40 MHz */
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{ "mr25h40" }, /* 4 Mib, 40 MHz */
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{ /* sentinel */ },
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};
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static const struct rt_ofw_node_id spi_nor_flash_ofw_ids[] =
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{
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/*
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* Generic compatibility for SPI NOR that can be identified by the
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* JEDEC READ ID opcode (0x9F). Use this, if possible.
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*/
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{ .compatible = "jedec,spi-nor" },
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{ /* sentinel */ }
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};
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static struct rt_spi_driver spi_nor_flash_driver =
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{
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.ids = spi_nor_flash_ids,
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.ofw_ids = spi_nor_flash_ofw_ids,
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.probe = spi_nor_flash_probe,
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};
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RT_SPI_DRIVER_EXPORT(spi_nor_flash_driver);
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