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git.ipfire.org Git - people/ms/u-boot.git/blob - include/spi_flash.h
2 * Interface to SPI flash
4 * Copyright (C) 2008 Atmel Corporation
6 * See file CREDITS for list of people who contributed to this
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License
11 * version 2 as published by the Free Software Foundation.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
27 #include <linux/types.h>
29 struct spi_flash_region
{
35 struct spi_slave
*spi
;
41 int (*read
)(struct spi_flash
*flash
, u32 offset
,
42 size_t len
, void *buf
);
43 int (*write
)(struct spi_flash
*flash
, u32 offset
,
44 size_t len
, const void *buf
);
45 int (*erase
)(struct spi_flash
*flash
, u32 offset
,
49 struct spi_flash
*spi_flash_probe(unsigned int bus
, unsigned int cs
,
50 unsigned int max_hz
, unsigned int spi_mode
);
51 void spi_flash_free(struct spi_flash
*flash
);
53 static inline int spi_flash_read(struct spi_flash
*flash
, u32 offset
,
54 size_t len
, void *buf
)
56 return flash
->read(flash
, offset
, len
, buf
);
59 static inline int spi_flash_write(struct spi_flash
*flash
, u32 offset
,
60 size_t len
, const void *buf
)
62 return flash
->write(flash
, offset
, len
, buf
);
65 static inline int spi_flash_erase(struct spi_flash
*flash
, u32 offset
,
68 return flash
->erase(flash
, offset
, len
);
71 #endif /* _SPI_FLASH_H_ */