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mtd: spi-nor: Move Everspin bits out of core.c 

Create a SPI NOR manufacturer driver for Everspin chips, and move the
Everspin definitions outside of core.c.

Signed-off-by: Boris Brezillon <bbrezillon@kernel.org>
Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
This commit is contained in:
Boris Brezillon 2020-03-13 19:42:41 +00:00 committed by Tudor Ambarus
parent 74c7e0e3b9
commit 7bdbd1ceb3
No known key found for this signature in database
GPG Key ID: 4B554F47A58D14E9
4 changed files with 30 additions and 6 deletions
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1
drivers/mtd/spi-nor/Makefile
View File

@ -4,4 +4,5 @@ spi-nor-objs := core.o sfdp.o
spi-nor-objs += atmel.o
spi-nor-objs += eon.o
spi-nor-objs += esmt.o
spi-nor-objs += everspin.o
obj-$(CONFIG_MTD_SPI_NOR) += spi-nor.o

7
drivers/mtd/spi-nor/core.c
View File

@ -2081,12 +2081,6 @@ static struct spi_nor_fixups gd25q256_fixups = {
* old entries may be missing 4K flag.
*/
static const struct flash_info spi_nor_ids[] = {
/* Everspin */
{ "mr25h128", CAT25_INFO( 16 * 1024, 1, 256, 2, SPI_NOR_NO_ERASE | SPI_NOR_NO_FR) },
{ "mr25h256", CAT25_INFO( 32 * 1024, 1, 256, 2, SPI_NOR_NO_ERASE | SPI_NOR_NO_FR) },
{ "mr25h10", CAT25_INFO(128 * 1024, 1, 256, 3, SPI_NOR_NO_ERASE | SPI_NOR_NO_FR) },
{ "mr25h40", CAT25_INFO(512 * 1024, 1, 256, 3, SPI_NOR_NO_ERASE | SPI_NOR_NO_FR) },
/* Fujitsu */
{ "mb85rs1mt", INFO(0x047f27, 0, 128 * 1024, 1, SPI_NOR_NO_ERASE) },
@ -2437,6 +2431,7 @@ static const struct spi_nor_manufacturer *manufacturers[] = {
&spi_nor_atmel,
&spi_nor_eon,
&spi_nor_esmt,
&spi_nor_everspin,
};
static const struct flash_info *

1
drivers/mtd/spi-nor/core.h
View File

@ -170,6 +170,7 @@ struct spi_nor_manufacturer {
extern const struct spi_nor_manufacturer spi_nor_atmel;
extern const struct spi_nor_manufacturer spi_nor_eon;
extern const struct spi_nor_manufacturer spi_nor_esmt;
extern const struct spi_nor_manufacturer spi_nor_everspin;
int spi_nor_write_enable(struct spi_nor *nor);
int spi_nor_write_disable(struct spi_nor *nor);

27
drivers/mtd/spi-nor/everspin.c Normal file
View File

@ -0,0 +1,27 @@
// 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 everspin_parts[] = {
/* Everspin */
{ "mr25h128", CAT25_INFO(16 * 1024, 1, 256, 2,
SPI_NOR_NO_ERASE | SPI_NOR_NO_FR) },
{ "mr25h256", CAT25_INFO(32 * 1024, 1, 256, 2,
SPI_NOR_NO_ERASE | SPI_NOR_NO_FR) },
{ "mr25h10", CAT25_INFO(128 * 1024, 1, 256, 3,
SPI_NOR_NO_ERASE | SPI_NOR_NO_FR) },
{ "mr25h40", CAT25_INFO(512 * 1024, 1, 256, 3,
SPI_NOR_NO_ERASE | SPI_NOR_NO_FR) },
};
const struct spi_nor_manufacturer spi_nor_everspin = {
.name = "everspin",
.parts = everspin_parts,
.nparts = ARRAY_SIZE(everspin_parts),
};