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_ */ 108