git.sur5r.net Git - u-boot/blob - include/mmc.h

   1 /*
   2  * (C) Copyright 2000-2003
   3  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   4  *
   5  * See file CREDITS for list of people who contributed to this
   6  * project.
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License as
  10  * published by the Free Software Foundation; either version 2 of
  11  * the License, or (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  21  * MA 02111-1307 USA
  22  */
  23
  24 #ifndef _MMC_H_
  25 #define _MMC_H_
  26
  27 /* MMC command numbers */
  28 #define MMC_CMD_GO_IDLE_STATE           0
  29 #define MMC_CMD_SEND_OP_COND            1
  30 #define MMC_CMD_ALL_SEND_CID            2
  31 #define MMC_CMD_SET_RELATIVE_ADDR       3
  32 #define MMC_CMD_SET_DSR                 4
  33 #define MMC_CMD_SELECT_CARD             7
  34 #define MMC_CMD_SEND_CSD                9
  35 #define MMC_CMD_SEND_CID                10
  36 #define MMC_CMD_SEND_STATUS             13
  37 #define MMC_CMD_SET_BLOCKLEN            16
  38 #define MMC_CMD_READ_SINGLE_BLOCK       17
  39 #define MMC_CMD_READ_MULTIPLE_BLOCK     18
  40 #define MMC_CMD_WRITE_BLOCK             24
  41 #define MMC_CMD_APP_CMD                 55
  42
  43 /* SD Card command numbers */
  44 #define SD_CMD_SEND_RELATIVE_ADDR       3
  45 #define SD_CMD_SWITCH                   6
  46 #define SD_CMD_SEND_IF_COND             8
  47
  48 #define SD_CMD_APP_SET_BUS_WIDTH        6
  49 #define SD_CMD_APP_SEND_OP_COND         41
  50
  51 #define R1_ILLEGAL_COMMAND              (1 << 22)
  52 #define R1_APP_CMD                      (1 << 5)
  53
  54 int mmc_legacy_init(int verbose);
  55 int mmc_read(ulong src, uchar *dst, int size);
  56 int mmc_write(uchar *src, ulong dst, int size);
  57
  58 struct mmc_cid {
  59         unsigned long psn;
  60         unsigned short oid;
  61         unsigned char mid;
  62         unsigned char prv;
  63         unsigned char mdt;
  64         char pnm[7];
  65 };
  66
  67 struct mmc_csd
  68 {
  69         u8      csd_structure:2,
  70                 spec_vers:4,
  71                 rsvd1:2;
  72         u8      taac;
  73         u8      nsac;
  74         u8      tran_speed;
  75         u16     ccc:12,
  76                 read_bl_len:4;
  77         u64     read_bl_partial:1,
  78                 write_blk_misalign:1,
  79                 read_blk_misalign:1,
  80                 dsr_imp:1,
  81                 rsvd2:2,
  82                 c_size:12,
  83                 vdd_r_curr_min:3,
  84                 vdd_r_curr_max:3,
  85                 vdd_w_curr_min:3,
  86                 vdd_w_curr_max:3,
  87                 c_size_mult:3,
  88                 sector_size:5,
  89                 erase_grp_size:5,
  90                 wp_grp_size:5,
  91                 wp_grp_enable:1,
  92                 default_ecc:2,
  93                 r2w_factor:3,
  94                 write_bl_len:4,
  95                 write_bl_partial:1,
  96                 rsvd3:5;
  97         u8      file_format_grp:1,
  98                 copy:1,
  99                 perm_write_protect:1,
 100                 tmp_write_protect:1,
 101                 file_format:2,
 102                 ecc:2;
 103         u8      crc:7;
 104         u8      one:1;
 105 };
 106
 107 #endif /* _MMC_H_ */