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/*
* (C) Copyright 2000-2003
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* 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_
/* 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
#define R1_ILLEGAL_COMMAND (1 << 22)
#define R1_APP_CMD (1 << 5)
int mmc_legacy_init(int verbose);
int mmc_read(ulong src, uchar *dst, int size);
int mmc_write(uchar *src, ulong dst, int size);
struct mmc_cid {
unsigned long psn;
unsigned short oid;
unsigned char mid;
unsigned char prv;
unsigned char mdt;
char pnm[7];
};
struct mmc_csd
{
u8 csd_structure:2,
spec_vers:4,
rsvd1:2;
u8 taac;
u8 nsac;
u8 tran_speed;
u16 ccc:12,
read_bl_len:4;
u64 read_bl_partial:1,
write_blk_misalign:1,
read_blk_misalign:1,
dsr_imp:1,
rsvd2:2,
c_size:12,
vdd_r_curr_min:3,
vdd_r_curr_max:3,
vdd_w_curr_min:3,
vdd_w_curr_max:3,
c_size_mult:3,
sector_size:5,
erase_grp_size:5,
wp_grp_size:5,
wp_grp_enable:1,
default_ecc:2,
r2w_factor:3,
write_bl_len:4,
write_bl_partial:1,
rsvd3:5;
u8 file_format_grp:1,
copy:1,
perm_write_protect:1,
tmp_write_protect:1,
file_format:2,
ecc:2;
u8 crc:7;
u8 one:1;
};
#endif /* _MMC_H_ */
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