b134945ec1
Currently supports initialization, read, write, and erase operations. Tested on HiFive Uneashed implementation follows SD association's SPI access protocol, found as doc http://t.cn/AiB8quFZ Change-Id: I464d2334b8227e448c1c7e324c0455023cffb72a Signed-off-by: Xiang Wang <merle@hardenedlinux.org> Reviewed-on: https://review.coreboot.org/c/coreboot/+/35118 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Patrick Georgi <pgeorgi@google.com>
60 lines
1.6 KiB
C
60 lines
1.6 KiB
C
/*
|
|
* This file is part of the coreboot project.
|
|
*
|
|
* Copyright (C) 2019 HardenedLinux
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; version 2 of the License.
|
|
*
|
|
* 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_SDCARD_H_
|
|
#define _SPI_SDCARD_H_
|
|
|
|
struct spi_sdcard {
|
|
int type;
|
|
struct spi_slave slave;
|
|
};
|
|
|
|
int spi_sdcard_init(struct spi_sdcard *card,
|
|
const unsigned int bus,
|
|
const unsigned int cs);
|
|
|
|
int spi_sdcard_single_read(const struct spi_sdcard *card,
|
|
size_t block_address,
|
|
void *buff);
|
|
|
|
int spi_sdcard_multiple_read(const struct spi_sdcard *card,
|
|
size_t start_block_address,
|
|
size_t end_block_address,
|
|
void *buff);
|
|
|
|
int spi_sdcard_single_write(const struct spi_sdcard *card,
|
|
size_t block_address,
|
|
void *buff);
|
|
|
|
int spi_sdcard_read(const struct spi_sdcard *card,
|
|
void *dest,
|
|
size_t offset,
|
|
size_t count);
|
|
|
|
int spi_sdcard_multiple_write(const struct spi_sdcard *card,
|
|
size_t start_block_address,
|
|
size_t end_block_address,
|
|
void *buff);
|
|
|
|
int spi_sdcard_erase(const struct spi_sdcard *card,
|
|
size_t start_block_address,
|
|
size_t end_block_address);
|
|
|
|
int spi_sdcard_erase_all(const struct spi_sdcard *card);
|
|
|
|
/* get the sdcard size in bytes */
|
|
size_t spi_sdcard_size(const struct spi_sdcard *card);
|
|
|
|
#endif /* _SPI_SDCARD_H_ */
|