upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
74 lines
2.0 KiB
74 lines
2.0 KiB
/*
|
|
* Interface to SPI flash
|
|
*
|
|
* Copyright (C) 2008 Atmel Corporation
|
|
*
|
|
* See file CREDITS for list of people who contributed to this
|
|
* project.
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* version 2 as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
|
* MA 02111-1307 USA
|
|
*/
|
|
#ifndef _SPI_FLASH_H_
|
|
#define _SPI_FLASH_H_
|
|
|
|
#include <spi.h>
|
|
#include <linux/types.h>
|
|
#include <linux/compiler.h>
|
|
|
|
struct spi_flash {
|
|
struct spi_slave *spi;
|
|
|
|
const char *name;
|
|
|
|
/* Total flash size */
|
|
u32 size;
|
|
/* Write (page) size */
|
|
u32 page_size;
|
|
/* Erase (sector) size */
|
|
u32 sector_size;
|
|
|
|
int (*read)(struct spi_flash *flash, u32 offset,
|
|
size_t len, void *buf);
|
|
int (*write)(struct spi_flash *flash, u32 offset,
|
|
size_t len, const void *buf);
|
|
int (*erase)(struct spi_flash *flash, u32 offset,
|
|
size_t len);
|
|
};
|
|
|
|
struct spi_flash *spi_flash_probe(unsigned int bus, unsigned int cs,
|
|
unsigned int max_hz, unsigned int spi_mode);
|
|
void spi_flash_free(struct spi_flash *flash);
|
|
|
|
static inline int spi_flash_read(struct spi_flash *flash, u32 offset,
|
|
size_t len, void *buf)
|
|
{
|
|
return flash->read(flash, offset, len, buf);
|
|
}
|
|
|
|
static inline int spi_flash_write(struct spi_flash *flash, u32 offset,
|
|
size_t len, const void *buf)
|
|
{
|
|
return flash->write(flash, offset, len, buf);
|
|
}
|
|
|
|
static inline int spi_flash_erase(struct spi_flash *flash, u32 offset,
|
|
size_t len)
|
|
{
|
|
return flash->erase(flash, offset, len);
|
|
}
|
|
|
|
void spi_boot(void) __noreturn;
|
|
|
|
#endif /* _SPI_FLASH_H_ */
|
|
|