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/*
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* (C) Copyright 2000-2003
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#ifndef _MMC_H_
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#define _MMC_H_
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/* MMC command numbers */
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#define MMC_CMD_GO_IDLE_STATE 0
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#define MMC_CMD_SEND_OP_COND 1
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#define MMC_CMD_ALL_SEND_CID 2
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#define MMC_CMD_SET_RELATIVE_ADDR 3
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#define MMC_CMD_SET_DSR 4
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#define MMC_CMD_SELECT_CARD 7
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#define MMC_CMD_SEND_CSD 9
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#define MMC_CMD_SEND_CID 10
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#define MMC_CMD_SEND_STATUS 13
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#define MMC_CMD_SET_BLOCKLEN 16
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#define MMC_CMD_READ_SINGLE_BLOCK 17
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#define MMC_CMD_READ_MULTIPLE_BLOCK 18
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#define MMC_CMD_WRITE_BLOCK 24
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#define MMC_CMD_APP_CMD 55
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/* SD Card command numbers */
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#define SD_CMD_SEND_RELATIVE_ADDR 3
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#define SD_CMD_SWITCH 6
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#define SD_CMD_SEND_IF_COND 8
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#define SD_CMD_APP_SET_BUS_WIDTH 6
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#define SD_CMD_APP_SEND_OP_COND 41
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#define R1_ILLEGAL_COMMAND (1 << 22)
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#define R1_APP_CMD (1 << 5)
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int mmc_legacy_init(int verbose);
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int mmc_read(ulong src, uchar *dst, int size);
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int mmc_write(uchar *src, ulong dst, int size);
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struct mmc_cid {
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unsigned long psn;
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unsigned short oid;
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unsigned char mid;
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unsigned char prv;
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unsigned char mdt;
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char pnm[7];
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};
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struct mmc_csd
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{
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u8 csd_structure:2,
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spec_vers:4,
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rsvd1:2;
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u8 taac;
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u8 nsac;
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u8 tran_speed;
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u16 ccc:12,
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read_bl_len:4;
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u64 read_bl_partial:1,
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write_blk_misalign:1,
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read_blk_misalign:1,
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dsr_imp:1,
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rsvd2:2,
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c_size:12,
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vdd_r_curr_min:3,
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vdd_r_curr_max:3,
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vdd_w_curr_min:3,
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vdd_w_curr_max:3,
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c_size_mult:3,
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sector_size:5,
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erase_grp_size:5,
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wp_grp_size:5,
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wp_grp_enable:1,
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default_ecc:2,
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r2w_factor:3,
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write_bl_len:4,
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write_bl_partial:1,
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rsvd3:5;
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u8 file_format_grp:1,
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copy:1,
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perm_write_protect:1,
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tmp_write_protect:1,
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file_format:2,
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ecc:2;
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u8 crc:7;
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u8 one:1;
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};
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#endif /* _MMC_H_ */
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