| /* |
| * Interface to SPI flash |
| * |
| * Copyright (C) 2008 Atmel Corporation |
| * |
| * 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. |
| */ |
| #ifndef _SPI_FLASH_H_ |
| #define _SPI_FLASH_H_ |
| |
| #include <stdint.h> |
| #include <stddef.h> |
| #include <console/console.h> |
| #include <spi-generic.h> |
| #include <boot/coreboot_tables.h> |
| |
| struct spi_flash { |
| struct spi_slave *spi; |
| |
| const char *name; |
| |
| u32 size; |
| |
| u32 sector_size; |
| |
| u8 erase_cmd; |
| |
| u8 status_cmd; |
| |
| /* All callbacks return 0 on success and != 0 on error. */ |
| 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); |
| int (*status)(struct spi_flash *flash, u8 *reg); |
| }; |
| |
| struct spi_flash *spi_flash_probe(unsigned int bus, unsigned int cs); |
| |
| void lb_spi_flash(struct lb_header *header); |
| |
| #endif /* _SPI_FLASH_H_ */ |