linux/drivers/nvmem/u-boot-env.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright (C) 2022 Rafał Miłecki <[email protected]>
 */

#include <linux/crc32.h>
#include <linux/etherdevice.h>
#include <linux/if_ether.h>
#include <linux/mod_devicetable.h>
#include <linux/module.h>
#include <linux/mtd/mtd.h>
#include <linux/nvmem-consumer.h>
#include <linux/nvmem-provider.h>
#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/slab.h>

enum u_boot_env_format { … };

struct u_boot_env { … };

struct u_boot_env_image_single { … } __packed;

struct u_boot_env_image_redundant { … } __packed;

struct u_boot_env_image_broadcom { … } __packed;

static int u_boot_env_read(void *context, unsigned int offset, void *val,
			   size_t bytes)
{ … }

static int u_boot_env_read_post_process_ethaddr(void *context, const char *id, int index,
						unsigned int offset, void *buf, size_t bytes)
{ … }

static int u_boot_env_add_cells(struct u_boot_env *priv, uint8_t *buf,
				size_t data_offset, size_t data_len)
{ … }

static int u_boot_env_parse(struct u_boot_env *priv)
{ … }

static int u_boot_env_probe(struct platform_device *pdev)
{ … }

static const struct of_device_id u_boot_env_of_match_table[] = …;

static struct platform_driver u_boot_env_driver = …;
module_platform_driver(…) …;

MODULE_AUTHOR(…) …;
MODULE_DESCRIPTION(…) …;
MODULE_LICENSE(…) …;
MODULE_DEVICE_TABLE(of, u_boot_env_of_match_table);