drivers/mtd/spi-nor/eon.c

Source file repositories/reference/linux-study-clean/drivers/mtd/spi-nor/eon.c

File Facts

System
Linux kernel
Corpus path
drivers/mtd/spi-nor/eon.c
Extension
.c
Size
1550 bytes
Lines
73
Domain
Driver Families
Bucket
drivers/mtd
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

// SPDX-License-Identifier: GPL-2.0
/*
 * Copyright (C) 2005, Intec Automation Inc.
 * Copyright (C) 2014, Freescale Semiconductor, Inc.
 */

#include <linux/mtd/spi-nor.h>

#include "core.h"

static const struct flash_info eon_nor_parts[] = {
	{
		.id = SNOR_ID(0x1c, 0x20, 0x16),
		.name = "en25p32",
		.size = SZ_4M,
	}, {
		.id = SNOR_ID(0x1c, 0x20, 0x17),
		.name = "en25p64",
		.size = SZ_8M,
	}, {
		.id = SNOR_ID(0x1c, 0x30, 0x14),
		.name = "en25q80a",
		.size = SZ_1M,
		.no_sfdp_flags = SECT_4K | SPI_NOR_DUAL_READ,
	}, {
		.id = SNOR_ID(0x1c, 0x30, 0x16),
		.name = "en25q32b",
		.size = SZ_4M,
	}, {
		.id = SNOR_ID(0x1c, 0x30, 0x17),
		.name = "en25q64",
		.size = SZ_8M,
		.no_sfdp_flags = SECT_4K,
	}, {
		.id = SNOR_ID(0x1c, 0x31, 0x16),
		.name = "en25f32",
		.size = SZ_4M,
		.no_sfdp_flags = SECT_4K,
	}, {
		.name = "en25s64",
		.id = SNOR_ID(0x1c, 0x38, 0x17),
		.size = SZ_8M,
		.no_sfdp_flags = SECT_4K,
	}, {
		.id = SNOR_ID(0x1c, 0x70, 0x15),
		.name = "en25qh16",
		.size = SZ_2M,
		.no_sfdp_flags = SECT_4K | SPI_NOR_DUAL_READ,
	}, {
		.id = SNOR_ID(0x1c, 0x70, 0x16),
		.name = "en25qh32",
		.size = SZ_4M,
	}, {
		.id = SNOR_ID(0x1c, 0x70, 0x17),
		.name = "en25qh64",
		.size = SZ_8M,
		.no_sfdp_flags = SECT_4K | SPI_NOR_DUAL_READ,
	}, {
		.id = SNOR_ID(0x1c, 0x70, 0x18),
		.name = "en25qh128",
		.size = SZ_16M,
	}, {
		.id = SNOR_ID(0x1c, 0x70, 0x19),
		.name = "en25qh256",
	},
};

const struct spi_nor_manufacturer spi_nor_eon = {
	.name = "eon",
	.parts = eon_nor_parts,
	.nparts = ARRAY_SIZE(eon_nor_parts),
};

Annotation

Implementation Notes