/** @file Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent **/ #ifndef _MMCHS_H_ #define _MMCHS_H_ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define MAX_RETRY_COUNT (100*5) #define HCS BIT30 //Host capacity support/1 = Supporting high capacity #define CCS BIT30 //Card capacity status/1 = High capacity card 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 RESERVED_1: 5; // Reserved 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 { UINT32 NOT_USED; // 1 [0:0] UINT32 CRC; // CRC7 checksum [7:1] UINT32 MDT; // Manufacturing date [19:8] UINT32 RESERVED_1; // Reserved [23:20] UINT32 PSN; // Product serial number [55:24] UINT8 PRV; // Product revision [63:56] UINT8 PNM[5]; // Product name [64:103] UINT16 OID; // OEM/Application ID [119:104] UINT8 MID; // Manufacturer ID [127:120] }CID; typedef struct { UINT8 NOT_USED: 1; // Not used, always 1 [0:0] UINT8 CRC: 7; // CRC [7:1] UINT8 RESERVED_1: 2; // Reserved [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 RESERVED_2: 5; // Reserved [20:16] 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 RESERVED_3: 2; // Reserved [30:29] UINT16 WP_GRP_ENABLE: 1; // Write protect group enable [31:31] UINT32 WP_GRP_SIZE: 7; // Write protect group size [38:32] UINT32 SECTOR_SIZE: 7; // Erase sector size [45:39] UINT32 ERASE_BLK_EN: 1; // Erase single block enable [46:46] 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 [63:62] UINT32 C_SIZEHigh10: 10;// Device size [73:64] UINT32 RESERVED_4: 2; // Reserved [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 RESERVED_5: 6; // Reserved [125:120] UINT8 CSD_STRUCTURE: 2; // CSD structure [127:126] }CSD; typedef struct { UINT8 NOT_USED: 1; // Not used, always 1 [0:0] UINT8 CRC: 7; // CRC [7:1] UINT8 RESERVED_1: 2; // Reserved [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 RESERVED_2: 5; // Reserved [20:16] 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 RESERVED_3: 2; // Reserved [30:29] UINT16 WP_GRP_ENABLE: 1; // Write protect group enable [31:31] UINT16 WP_GRP_SIZE: 7; // Write protect group size [38:32] UINT16 SECTOR_SIZE: 7; // Erase sector size [45:39] UINT16 ERASE_BLK_EN: 1; // Erase single block enable [46:46] UINT16 RESERVED_4: 1; // Reserved [47:47] UINT32 C_SIZELow16: 16;// Device size [69:48] UINT32 C_SIZEHigh6: 6; // Device size [69:48] UINT32 RESERVED_5: 6; // Reserved [75:70] 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] UINT16 READ_BL_LEN: 4; // Max. read data block length [83:80] UINT16 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 RESERVED_6: 6; // 0 [125:120] UINT8 CSD_STRUCTURE: 2; // CSD structure [127:126] }CSD_SDV2; typedef enum { UNKNOWN_CARD, MMC_CARD, //MMC card SD_CARD, //SD 1.1 card SD_CARD_2, //SD 2.0 or above standard card SD_CARD_2_HIGH //SD 2.0 or above high capacity card } CARD_TYPE; typedef enum { READ, WRITE } OPERATION_TYPE; typedef struct { UINT16 RCA; UINTN BlockSize; UINTN NumBlocks; UINTN ClockFrequencySelect; CARD_TYPE CardType; OCR OCRData; CID CIDData; CSD CSDData; } CARD_INFO; EFI_STATUS DetectCard ( VOID ); extern EFI_BLOCK_IO_PROTOCOL gBlockIo; #endif