/** @file Header file for Industry MMC 4.2 spec. Copyright (c) 2013-2015 Intel Corporation. SPDX-License-Identifier: BSD-2-Clause-Patent **/ #ifndef _MMC_H #define _MMC_H #pragma pack(1) // //Command definition // #define CMD0 0 #define CMD1 1 #define CMD2 2 #define CMD3 3 #define CMD4 4 #define CMD6 6 #define CMD7 7 #define CMD8 8 #define CMD9 9 #define CMD10 10 #define CMD11 11 #define CMD12 12 #define CMD13 13 #define CMD14 14 #define CMD15 15 #define CMD16 16 #define CMD17 17 #define CMD18 18 #define CMD19 19 #define CMD20 20 #define CMD23 23 #define CMD24 24 #define CMD25 25 #define CMD26 26 #define CMD27 27 #define CMD28 28 #define CMD29 29 #define CMD30 30 #define CMD35 35 #define CMD36 36 #define CMD38 38 #define CMD39 39 #define CMD40 40 #define CMD42 42 #define CMD55 55 #define CMD56 56 #define GO_IDLE_STATE CMD0 #define SEND_OP_COND CMD1 #define ALL_SEND_CID CMD2 #define SET_RELATIVE_ADDR CMD3 #define SET_DSR CMD4 #define SWITCH CMD6 #define SELECT_DESELECT_CARD CMD7 #define SEND_EXT_CSD CMD8 #define SEND_CSD CMD9 #define SEND_CID CMD10 #define READ_DAT_UNTIL_STOP CMD11 #define STOP_TRANSMISSION CMD12 #define SEND_STATUS CMD13 #define BUSTEST_R CMD14 #define GO_INACTIVE_STATE CMD15 #define SET_BLOCKLEN CMD16 #define READ_SINGLE_BLOCK CMD17 #define READ_MULTIPLE_BLOCK CMD18 #define BUSTEST_W CMD19 #define WRITE_DAT_UNTIL_STOP CMD20 #define SET_BLOCK_COUNT CMD23 #define WRITE_BLOCK CMD24 #define WRITE_MULTIPLE_BLOCK CMD25 #define PROGRAM_CID CMD26 #define PROGRAM_CSD CMD27 #define SET_WRITE_PROT CMD28 #define CLR_WRITE_PROT CMD29 #define SEND_WRITE_PROT CMD30 #define ERASE_GROUP_START CMD35 #define ERASE_GROUP_END CMD36 #define ERASE CMD38 #define FAST_IO CMD39 #define GO_IRQ_STATE CMD40 #define LOCK_UNLOCK CMD42 #define APP_CMD CMD55 #define GEN_CMD CMD56 #define CMD_INDEX_MASK 0x3F #define AUTO_CMD12_ENABLE BIT6 #define AUTO_CMD23_ENABLE BIT7 #define FREQUENCY_OD (400 * 1000) #define FREQUENCY_MMC_PP (26 * 1000 * 1000) #define FREQUENCY_MMC_PP_HIGH (52 * 1000 * 1000) #define DEFAULT_DSR_VALUE 0x404 // //Registers definition // typedef struct { UINT32 Reserved0: 7; // 0 UINT32 V170_V195: 1; // 1.70V - 1.95V UINT32 V200_V260: 7; // 2.00V - 2.60V UINT32 V270_V360: 9; // 2.70V - 3.60V UINT32 Reserved1: 5; // 0 UINT32 AccessMode: 2; // 00b (byte mode), 10b (sector mode) UINT32 Busy: 1; // This bit is set to LOW if the card has not finished the power up routine }OCR; typedef struct { UINT8 NotUsed: 1; // 1 UINT8 CRC: 7; // CRC7 checksum UINT8 MDT; // Manufacturing date UINT32 PSN; // Product serial number UINT8 PRV; // Product revision UINT8 PNM[6]; // Product name UINT16 OID; // OEM/Application ID UINT8 MID; // Manufacturer ID }CID; typedef struct { UINT8 NotUsed: 1; // 1 [0:0] UINT8 CRC: 7; // CRC [7:1] UINT8 ECC: 2; // ECC code [9:8] UINT8 FILE_FORMAT: 2; // File format [11:10] UINT8 TMP_WRITE_PROTECT: 1; // Temporary write protection [12:12] UINT8 PERM_WRITE_PROTECT: 1; // Permanent write protection [13:13] UINT8 COPY: 1; // Copy flag (OTP) [14:14] UINT8 FILE_FORMAT_GRP: 1; // File format group [15:15] UINT16 CONTENT_PROT_APP: 1; // Content protection application [16:16] UINT16 Reserved0: 4; // 0 [20:17] UINT16 WRITE_BL_PARTIAL: 1; // Partial blocks for write allowed [21:21] UINT16 WRITE_BL_LEN: 4; // Max. write data block length [25:22] UINT16 R2W_FACTOR: 3; // Write speed factor [28:26] UINT16 DEFAULT_ECC: 2; // Manufacturer default ECC [30:29] UINT16 WP_GRP_ENABLE: 1; // Write protect group enable [31:31] UINT32 WP_GRP_SIZE: 5; // Write protect group size [36:32] UINT32 ERASE_GRP_MULT: 5; // Erase group size multiplier [41:37] UINT32 ERASE_GRP_SIZE: 5; // Erase group size [46:42] UINT32 C_SIZE_MULT: 3; // Device size multiplier [49:47] UINT32 VDD_W_CURR_MAX: 3; // Max. write current @ VDD max [52:50] UINT32 VDD_W_CURR_MIN: 3; // Max. write current @ VDD min [55:53] UINT32 VDD_R_CURR_MAX: 3; // Max. read current @ VDD max [58:56] UINT32 VDD_R_CURR_MIN: 3; // Max. read current @ VDD min [61:59] UINT32 C_SIZELow2: 2;// Device size [73:62] UINT32 C_SIZEHigh10: 10;// Device size [73:62] UINT32 Reserved1: 2; // 0 [75:74] UINT32 DSR_IMP: 1; // DSR implemented [76:76] UINT32 READ_BLK_MISALIGN: 1; // Read block misalignment [77:77] UINT32 WRITE_BLK_MISALIGN: 1; // Write block misalignment [78:78] UINT32 READ_BL_PARTIAL: 1; // Partial blocks for read allowed [79:79] UINT32 READ_BL_LEN: 4; // Max. read data block length [83:80] UINT32 CCC: 12;// Card command classes [95:84] UINT8 TRAN_SPEED ; // Max. bus clock frequency [103:96] UINT8 NSAC ; // Data read access-time 2 in CLK cycles (NSAC*100) [111:104] UINT8 TAAC ; // Data read access-time 1 [119:112] UINT8 Reserved2: 2; // 0 [121:120] UINT8 SPEC_VERS: 4; // System specification version [125:122] UINT8 CSD_STRUCTURE: 2; // CSD structure [127:126] }CSD; typedef struct { UINT8 Reserved0[181]; // 0 [0:180] UINT8 ERASED_MEM_CONT; // Erased Memory Content [181] UINT8 Reserved2; // Erased Memory Content [182] UINT8 BUS_WIDTH; // Bus Width Mode [183] UINT8 Reserved3; // 0 [184] UINT8 HS_TIMING; // High Speed Interface Timing [185] UINT8 Reserved4; // 0 [186] UINT8 POWER_CLASS; // Power Class [187] UINT8 Reserved5; // 0 [188] UINT8 CMD_SET_REV; // Command Set Revision [189] UINT8 Reserved6; // 0 [190] UINT8 CMD_SET; // Command Set [191] UINT8 EXT_CSD_REV; // Extended CSD Revision [192] UINT8 Reserved7; // 0 [193] UINT8 CSD_STRUCTURE; // CSD Structure Version [194] UINT8 Reserved8; // 0 [195] UINT8 CARD_TYPE; // Card Type [196] UINT8 Reserved9[3]; // 0 [199:197] UINT8 PWR_CL_52_195; // Power Class for 52MHz @ 1.95V [200] UINT8 PWR_CL_26_195; // Power Class for 26MHz @ 1.95V [201] UINT8 PWR_CL_52_360; // Power Class for 52MHz @ 3.6V [202] UINT8 PWR_CL_26_360; // Power Class for 26MHz @ 3.6V [203] UINT8 Reserved10; // 0 [204] UINT8 MIN_PERF_R_4_26; // Minimum Read Performance for 4bit @26MHz [205] UINT8 MIN_PERF_W_4_26; // Minimum Write Performance for 4bit @26MHz [206] UINT8 MIN_PERF_R_8_26_4_52; // Minimum Read Performance for 8bit @26MHz/4bit @52MHz [207] UINT8 MIN_PERF_W_8_26_4_52; // Minimum Write Performance for 8bit @26MHz/4bit @52MHz [208] UINT8 MIN_PERF_R_8_52; // Minimum Read Performance for 8bit @52MHz [209] UINT8 MIN_PERF_W_8_52; // Minimum Write Performance for 8bit @52MHz [210] UINT8 Reserved11; // 0 [211] UINT8 SEC_COUNT[4]; // Sector Count [215:212] UINT8 Reserved12[288]; // 0 [503:216] UINT8 S_CMD_SET; // Sector Count [504] UINT8 Reserved13[7]; // Sector Count [511:505] }EXT_CSD; // //Card Status definition // typedef struct { UINT32 Reserved0: 2; //Reserved for Manufacturer Test Mode UINT32 Reserved1: 2; //Reserved for Application Specific commands UINT32 Reserved2: 1; // UINT32 SAPP_CMD: 1; // UINT32 Reserved3: 1; //Reserved UINT32 SWITCH_ERROR: 1; // UINT32 READY_FOR_DATA: 1; // UINT32 CURRENT_STATE: 4; // UINT32 ERASE_RESET: 1; // UINT32 Reserved4: 1; //Reserved UINT32 WP_ERASE_SKIP: 1; // UINT32 CID_CSD_OVERWRITE: 1; // UINT32 OVERRUN: 1; // UINT32 UNDERRUN: 1; // UINT32 ERROR: 1; // UINT32 CC_ERROR: 1; // UINT32 CARD_ECC_FAILED: 1; // UINT32 ILLEGAL_COMMAND: 1; // UINT32 COM_CRC_ERROR: 1; // UINT32 LOCK_UNLOCK_FAILED: 1; // UINT32 CARD_IS_LOCKED: 1; // UINT32 WP_VIOLATION: 1; // UINT32 ERASE_PARAM: 1; // UINT32 ERASE_SEQ_ERROR: 1; // UINT32 BLOCK_LEN_ERROR: 1; // UINT32 ADDRESS_MISALIGN: 1; // UINT32 ADDRESS_OUT_OF_RANGE:1; // }CARD_STATUS; typedef struct { UINT32 CmdSet: 3; UINT32 Reserved0: 5; UINT32 Value: 8; UINT32 Index: 8; UINT32 Access: 2; UINT32 Reserved1: 6; }SWITCH_ARGUMENT; #define CommandSet_Mode 0 #define SetBits_Mode 1 #define ClearBits_Mode 2 #define WriteByte_Mode 3 #define Idle_STATE 0 #define Ready_STATE 1 #define Ident_STATE 2 #define Stby_STATE 3 #define Tran_STATE 4 #define Data_STATE 5 #define Rcv_STATE 6 #define Prg_STATE 7 #define Dis_STATE 8 #define Btst_STATE 9 #pragma pack() #endif