mmc.h

来自「uboot详细解读可用启动引导LINUX2.6内核」· C头文件 代码 · 共 58 行

/*
 * (C) Copyright 2000-2003
 * Wolfgang Denk, DENX Software Engineering, [e-mail].
 *
 * 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 as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * 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 _MMC_H_
#define _MMC_H_
#include <asm/arch/mmc.h>

/* MMC command numbers */
#define MMC_CMD_GO_IDLE_STATE		0
#define MMC_CMD_SEND_OP_COND		1
#define MMC_CMD_ALL_SEND_CID		2
#define MMC_CMD_SET_RELATIVE_ADDR	3
#define MMC_CMD_SET_DSR			4
#define MMC_CMD_SELECT_CARD		7
#define MMC_CMD_SEND_CSD		9
#define MMC_CMD_SEND_CID		10
#define MMC_CMD_SEND_STATUS		13
#define MMC_CMD_SET_BLOCKLEN		16
#define MMC_CMD_READ_SINGLE_BLOCK	17
#define MMC_CMD_READ_MULTIPLE_BLOCK	18
#define MMC_CMD_WRITE_BLOCK		24
#define MMC_CMD_APP_CMD			55

/* SD Card command numbers */
#define SD_CMD_SEND_RELATIVE_ADDR	3
#define SD_CMD_SWITCH			6
#define SD_CMD_SEND_IF_COND		8

#define SD_CMD_APP_SET_BUS_WIDTH	6
#define SD_CMD_APP_SEND_OP_COND		41

int mmc_init(int verbose);
int mmc_read(ulong src, uchar *dst, int size);
int mmc_write(uchar *src, ulong dst, int size);
int mmc2info(ulong addr);

#endif /* _MMC_H_ */