// SPDX-License-Identifier: GPL-2.0 /* * Microchip Polarfire SoC "Auto Update" FPGA reprogramming. * * Documentation of this functionality is available in the "PolarFire® FPGA and * PolarFire SoC FPGA Programming" User Guide. * * Copyright (c) 2022-2023 Microchip Corporation. All rights reserved. * * Author: Conor Dooley <[email protected]> */ #include <linux/cleanup.h> #include <linux/debugfs.h> #include <linux/firmware.h> #include <linux/math.h> #include <linux/module.h> #include <linux/mtd/mtd.h> #include <linux/platform_device.h> #include <linux/sizes.h> #include <soc/microchip/mpfs.h> #define AUTO_UPDATE_DEFAULT_MBOX_OFFSET … #define AUTO_UPDATE_DEFAULT_RESP_OFFSET … #define AUTO_UPDATE_FEATURE_CMD_OPCODE … #define AUTO_UPDATE_FEATURE_CMD_DATA_SIZE … #define AUTO_UPDATE_FEATURE_RESP_SIZE … #define AUTO_UPDATE_FEATURE_CMD_DATA … #define AUTO_UPDATE_FEATURE_ENABLED … #define AUTO_UPDATE_AUTHENTICATE_CMD_OPCODE … #define AUTO_UPDATE_AUTHENTICATE_CMD_DATA_SIZE … #define AUTO_UPDATE_AUTHENTICATE_RESP_SIZE … #define AUTO_UPDATE_AUTHENTICATE_CMD_DATA … #define AUTO_UPDATE_PROGRAM_CMD_OPCODE … #define AUTO_UPDATE_PROGRAM_CMD_DATA_SIZE … #define AUTO_UPDATE_PROGRAM_RESP_SIZE … #define AUTO_UPDATE_PROGRAM_CMD_DATA … /* * SPI Flash layout example: * |------------------------------| 0x0000000 * | 1 KiB | * | SPI "directories" | * |------------------------------| 0x0000400 * | 1 MiB | * | Reserved area | * | Used for bitstream info | * |------------------------------| 0x0100400 * | 20 MiB | * | Golden Image | * |------------------------------| 0x1500400 * | 20 MiB | * | Auto Upgrade Image | * |------------------------------| 0x2900400 * | 20 MiB | * | Reserved for multi-image IAP | * | Unused for Auto Upgrade | * |------------------------------| 0x3D00400 * | ? B | * | Unused | * |------------------------------| 0x? */ #define AUTO_UPDATE_DIRECTORY_BASE … #define AUTO_UPDATE_DIRECTORY_WIDTH … #define AUTO_UPDATE_GOLDEN_INDEX … #define AUTO_UPDATE_UPGRADE_INDEX … #define AUTO_UPDATE_BLANK_INDEX … #define AUTO_UPDATE_GOLDEN_DIRECTORY … #define AUTO_UPDATE_UPGRADE_DIRECTORY … #define AUTO_UPDATE_BLANK_DIRECTORY … #define AUTO_UPDATE_DIRECTORY_SIZE … #define AUTO_UPDATE_INFO_BASE … #define AUTO_UPDATE_INFO_SIZE … #define AUTO_UPDATE_BITSTREAM_BASE … #define AUTO_UPDATE_TIMEOUT_MS … struct mpfs_auto_update_priv { … }; static bool mpfs_auto_update_is_bitstream_info(const u8 *data, u32 size) { … } static enum fw_upload_err mpfs_auto_update_prepare(struct fw_upload *fw_uploader, const u8 *data, u32 size) { … } static void mpfs_auto_update_cancel(struct fw_upload *fw_uploader) { … } static enum fw_upload_err mpfs_auto_update_poll_complete(struct fw_upload *fw_uploader) { … } static int mpfs_auto_update_verify_image(struct fw_upload *fw_uploader) { … } static int mpfs_auto_update_set_image_address(struct mpfs_auto_update_priv *priv, u32 image_address, loff_t directory_address) { … } static int mpfs_auto_update_write_bitstream(struct fw_upload *fw_uploader, const u8 *data, u32 offset, u32 size, u32 *written) { … } static enum fw_upload_err mpfs_auto_update_write(struct fw_upload *fw_uploader, const u8 *data, u32 offset, u32 size, u32 *written) { … } static const struct fw_upload_ops mpfs_auto_update_ops = …; static int mpfs_auto_update_available(struct mpfs_auto_update_priv *priv) { … } static int mpfs_auto_update_probe(struct platform_device *pdev) { … } static void mpfs_auto_update_remove(struct platform_device *pdev) { … } static struct platform_driver mpfs_auto_update_driver = …; module_platform_driver(…) …; MODULE_LICENSE(…) …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …;
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