diff --git a/EmbeddedPkg/Universal/MmcDxe/Mmc.h b/EmbeddedPkg/Universal/MmcDxe/Mmc.h
index b1c5153..0ccbc80 100644
--- a/EmbeddedPkg/Universal/MmcDxe/Mmc.h
+++ b/EmbeddedPkg/Universal/MmcDxe/Mmc.h
@@ -133,13 +133,168 @@ typedef struct {
   UINT8   CSD_STRUCTURE:      2; // CSD structure [127:126]
 } CSD;
 
+typedef struct {
+  UINT8   RESERVED_1[16];                     // Reserved [15:0]
+  UINT8   SECURE_REMOVAL_TYPE;                // Secure Removal Type [16:16]
+  UINT8   PRODUCT_STATE_AWARENESS_ENABLEMENT; // Product state awareness enablement [17:17]
+  UINT8   MAX_PRE_LOADING_DATA_SIZE[4];       // MAX pre loading data size [21:18]
+  UINT8   PRE_LOADING_DATA_SIZE[4];           // Pre loading data size [25:22]
+  UINT8   FFU_STATUS;                         // FFU Status [26:26]
+  UINT8   RESERVED_2[2];                      // Reserved [28:27]
+  UINT8   MODE_OPERATION_CODES;               // Mode operation codes [29:29]
+  UINT8   MODE_CONFIG;                        // Mode config [30:30]
+  UINT8   RESERVED_3;                         // Reserved [31:31]
+  UINT8   FLUSH_CACHE;                        // Flushing of the cache [32:32]
+  UINT8   CACHE_CTRL;                         // Control to turn the cache ON/OFF [33:33]
+  UINT8   POWER_OFF_NOTIFICATION;             // Power Off Notification [34:34]
+  UINT8   PACKED_FAILURE_INDEX;               // Packed command failure index [35:35]
+  UINT8   PACKED_COMMAND_STATUS;              // Packed command status [36:36]
+  UINT8   CONTEXT_CONF[15];                   // Context configuration [51:37]
+  UINT8   EXT_PARTITIONS_ATTRIBUTE[2];        // Extended partitions attribute [53:52]
+  UINT8   EXCEPTION_EVENTS_STATUS[2];         // Exception events status [55:54]
+  UINT8   EXCEPTION_EVENTS_CTRL[2];           // Exception events control [57:56]
+  UINT8   DYNCAP_NEEDED;                      // Number of addressed group to be released [58:58]
+  UINT8   CLASS_6_CTRL;                       // Class 6 commands control [59:59]
+  UINT8   INI_TIMEOUT_EMU;                    // 1st initialization after disabling sector size emulation [60:60]
+  UINT8   DATA_SECTOR_SIZE;                   // Sector size [61:61]
+  UINT8   USE_NATIVE_SECTOR;                  // Sector size emulation [62:62]
+  UINT8   NATIVE_SECTOR_SIZE;                 // Native sector size [63:63]
+  UINT8   VENDOR_SPECIFIC_FIELD[64];          // Vendor specific fields [127:64]
+  UINT8   RESERVED_4[2];                      // Reserved [129:128]
+  UINT8   PROGRAM_CID_CSD_DDR_SUPPORT;        // Program CID/CSD in DDR mode support [130:130]
+  UINT8   PERIODIC_WAKEUP;                    // Periodic wake-up [131:131]
+  UINT8   TCASE_SUPPORT;                      // Package case temperature is controlled [132:132]
+  UINT8   PRODUCTION_STATE_AWARENESS;         // Production state awareness [133:133]
+  UINT8   SEC_BAD_BLK_MGMNT;                  // Bad block management mode [134:134]
+  UINT8   RESERVED_5;                         // Reserved [135:135]
+  UINT8   ENH_START_ADDR[4];                  // Enhanced user data start address [139:136]
+  UINT8   ENH_SIZE_MULT[3];                   // Enhanced user data area size [142:140]
+  UINT8   GP_SIZE_MULT[12];                   // General purpose partition size [154:143]
+  UINT8   PARTITION_SETTING_COMPLETED;        // Partitioning setting [155:155]
+  UINT8   PARTITIONS_ATTRIBUTE;               // Partitions attribute [156:156]
+  UINT8   MAX_ENH_SIZE_MULT[3];               // Max enhanced area size [159:157]
+  UINT8   PARTITIONING_SUPPORT;               // Partitioning [160:160]
+  UINT8   HPI_MGMT;                           // HPI management [161:161]
+  UINT8   RST_N_FUNCTION;                     // H/W reset function [162:162]
+  UINT8   BKOPS_EN;                           // Enable background operations handshake [163:163]
+  UINT8   BKOPS_START;                        // Manually start background operations [164:164]
+  UINT8   SANITIZE_START;                     // Start sanitize operation [165:165]
+  UINT8   WR_REL_PARAM;                       // Write reliability parameter register [166:166]
+  UINT8   WR_REL_SET;                         // Write reliability setting register [167:167]
+  UINT8   RPMB_SIZE_MULT;                     // RPMB size [168:168]
+  UINT8   FW_CONFIG;                          // FW configuration [169:169]
+  UINT8   RESERVED_6;                         // Reserved [170:170]
+  UINT8   USER_WP;                            // User area write protection register [171:171]
+  UINT8   RESERVED_7;                         // Reserved [172:172]
+  UINT8   BOOT_WP;                            // Boot area write protection register [173:173]
+  UINT8   BOOT_WP_STATUS;                     // Boot write protection register [174:174]
+  UINT8   ERASE_GROUP_DEF;                    // High-density erase group definition [175:175]
+  UINT8   RESERVED_8;                         // Reserved [176:176]
+  UINT8   BOOT_BUS_CONDITIONS;                // Boot bus conditions [177:177]
+  UINT8   BOOT_CONFIG_PROT;                   // Boot config protection [178:178]
+  UINT8   PARTITION_CONFIG;                   // Partition config [179:179]
+  UINT8   RESERVED_9;                         // Reserved [180:180]
+  UINT8   ERASED_MEM_CONT;                    // Erased memory content [181:181]
+  UINT8   RESERVED_10;                        // Reserved [182:182]
+  UINT8   BUS_WIDTH;                          // Bus width mode [183:183]
+  UINT8   RESERVED_11;                        // Reserved [184:184]
+  UINT8   HS_TIMING;                          // High-speed interface timing [185:185]
+  UINT8   RESERVED_12;                        // Reserved [186:186]
+  UINT8   POWER_CLASS;                        // Power class [187:187]
+  UINT8   RESERVED_13;                        // Reserved [188:188]
+  UINT8   CMD_SET_REV;                        // Command set revision [189:189]
+  UINT8   RESERVED_14;                        // Reserved [190:190]
+  UINT8   CMD_SET;                            // Command set [191:191]
+  UINT8   EXT_CSD_REV;                        // Extended CSD revision [192:192]
+  UINT8   RESERVED_15;                        // Reserved [193:193]
+  UINT8   CSD_STRUCTURE;                      // CSD Structure [194:194]
+  UINT8   RESERVED_16;                        // Reserved [195:195]
+  UINT8   DEVICE_TYPE;                        // Device type [196:196]
+  UINT8   DRIVER_STRENGTH;                    // I/O Driver strength [197:197]
+  UINT8   OUT_OF_INTERRUPT_TIME;              // Out-of-interrupt busy timing [198:198]
+  UINT8   PARTITION_SWITCH_TIME;              // Partition switching timing [199:199]
+  UINT8   PWR_CL_52_195;                      // Power class for 52MHz at 1.95V 1 R [200:200]
+  UINT8   PWR_CL_26_195;                      // Power class for 26MHz at 1.95V 1 R [201:201]
+  UINT8   PWR_CL_52_360;                      // Power class for 52MHz at 3.6V 1 R [202:202]
+  UINT8   PWR_CL_26_360;                      // Power class for 26MHz at 3.6V 1 R [203:203]
+  UINT8   RESERVED_17;                        // Reserved [204:204]
+  UINT8   MIN_PERF_R_4_26;                    // Minimum read performance for 4bit at 26MHz [205:205]
+  UINT8   MIN_PERF_W_4_26;                    // Minimum write performance for 4bit at 26MHz [206:206]
+  UINT8   MIN_PERF_R_8_26_4_52;               // Minimum read performance for 8bit at 26MHz, for 4bit at 52MHz [207:207]
+  UINT8   MIN_PERF_W_8_26_4_52;               // Minimum write performance for 8bit at 26MHz, for 4bit at 52MHz [208:208]
+  UINT8   MIN_PERF_R_8_52;                    // Minimum read performance for 8bit at 52MHz [209:209]
+  UINT8   MIN_PERF_W_8_52;                    // Minimum write performance for 8bit at 52MHz [210:210]
+  UINT8   RESERVED_18;                        // Reserved [211:211]
+  UINT32  SEC_COUNT;                          // Sector count [215:212]
+  UINT8   SLEEP_NOTIFICATION_TIME;            // Sleep notification timout [216:216]
+  UINT8   S_A_TIMEOUT;                        // Sleep/awake timeout [217:217]
+  UINT8   PRODUCTION_STATE_AWARENESS_TIMEOUT; // Production state awareness timeout [218:218]
+  UINT8   S_C_VCCQ;                           // Sleep current (VCCQ) [219:219]
+  UINT8   S_C_VCC;                            // Sleep current (VCC) [220:220]
+  UINT8   HC_WP_GRP_SIZE;                     // High-capacity write protect group size [221:221]
+  UINT8   REL_WR_SEC_C;                       // Reliable write sector count [222:222]
+  UINT8   ERASE_TIMEOUT_MULT;                 // High-capacity erase timeout [223:223]
+  UINT8   HC_ERASE_GRP_SIZE;                  // High-capacity erase unit size [224:224]
+  UINT8   ACC_SIZE;                           // Access size [225:225]
+  UINT8   BOOT_SIZE_MULTI;                    // Boot partition size [226:226]
+  UINT8   RESERVED_19;                        // Reserved [227:227]
+  UINT8   BOOT_INFO;                          // Boot information [228:228]
+  UINT8   SEC_TRIM_MULT;                      // Secure TRIM Multiplier [229:229]
+  UINT8   SEC_ERASE_MULT;                     // Secure Erase Multiplier [230:230]
+  UINT8   SEC_FEATURE_SUPPORT;                // Secure Feature Support [231:231]
+  UINT8   TRIM_MULT;                          // TRIM Multiplier [232:232]
+  UINT8   RESERVED_20;                        // Reserved [233:233]
+  UINT8   MIN_PREF_DDR_R_8_52;                // Minimum read performance for 8bit at 52MHz in DDR mode [234:234]
+  UINT8   MIN_PREF_DDR_W_8_52;                // Minimum write performance for 8bit at 52MHz in DDR mode [235:235]
+  UINT8   PWR_CL_200_130;                     // Power class for 200MHz at VCCQ=1.3V, VCC=3.6V [236:236]
+  UINT8   PWR_CL_200_195;                     // Power class for 200MHz at VCCQ=1.95V, VCC=3.6V [237:237]
+  UINT8   PWR_CL_DDR_52_195;                  // Power class for 52MHz, DDR at 1.95V [238:238]
+  UINT8   PWR_CL_DDR_52_360;                  // Power class for 52Mhz, DDR at 3.6V [239:239]
+  UINT8   RESERVED_21;                        // Reserved [240:240]
+  UINT8   INI_TIMEOUT_AP;                     // 1st initialization time after partitioning [241:241]
+  UINT8   CORRECTLY_PRG_SECTORS_NUM[4];       // Number of correctly programmed sectors [245:242]
+  UINT8   BKOPS_STATUS;                       // Background operations status [246:246]
+  UINT8   POWER_OFF_LONG_TIME;                // Power off notification (long) timeout [247:247]
+  UINT8   GENERIC_CMD6_TIME;                  // Generic CMD6 timeout [248:248]
+  UINT8   CACHE_SIZE[4];                      // Cache size [252:249]
+  UINT8   PWR_CL_DDR_200_360;                 // Power class for 200MHz, DDR at VCC=3.6V [253:253]
+  UINT8   FIRMWARE_VERSION[8];                // Firmware version [261:254]
+  UINT8   DEVICE_VERSION[2];                  // Device version [263:262]
+  UINT8   OPTIMAL_TRIM_UNIT_SIZE;             // Optimal trim unit size [264:264]
+  UINT8   OPTIMAL_WRITE_SIZE;                 // Optimal write size [265:265]
+  UINT8   OPTIMAL_READ_SIZE;                  // Optimal read size [266:266]
+  UINT8   PRE_EOL_INFO;                       // Pre EOL information [267:267]
+  UINT8   DEVICE_LIFE_TIME_EST_TYP_A;         // Device life time estimation type A [268:268]
+  UINT8   DEVICE_LIFE_TIME_EST_TYP_B;         // Device life time estimation type B [269:269]
+  UINT8   VENDOR_PROPRIETARY_HEALTH_REPORT[32];         // Vendor proprietary health report [301:270]
+  UINT8   NUMBER_OF_FW_SECTORS_CORRECTLY_PROGRAMMED[4]; // Number of FW sectors correctly programmed [305:302]
+  UINT8   RESERVED_22[181];                   // Reserved [486:306]
+  UINT8   FFU_ARG[4];                         // FFU argument [490:487]
+  UINT8   OPERATION_CODE_TIMEOUT;             // Operation codes timeout [491:491]
+  UINT8   FFU_FEATURES;                       // FFU features [492:492]
+  UINT8   SUPPORTED_MODES;                    // Supported modes [493:493]
+  UINT8   EXT_SUPPORT;                        // Extended partitions attribute support [494:494]
+  UINT8   LARGE_UNIT_SIZE_M1;                 // Large unit size [495:495]
+  UINT8   CONTEXT_CAPABILITIES;               // Context management capabilities [496:496]
+  UINT8   TAG_RES_SIZE;                       // Tag resource size [497:497]
+  UINT8   TAG_UNIT_SIZE;                      // Tag unit size [498:498]
+  UINT8   DATA_TAG_SUPPORT;                   // Data tag support [499:499]
+  UINT8   MAX_PACKED_WRITES;                  // Max packed write commands [500:500]
+  UINT8   MAX_PACKED_READS;                   // Max packed read commands [501:501]
+  UINT8   BKOPS_SUPPORT;                      // Background operations support [502:502]
+  UINT8   HPI_FEATURES;                       // HPI features [503:503]
+  UINT8   S_CMD_SET;                          // Supported command sets [504:504]
+  UINT8   EXT_SECURITY_ERR;                   // Extended security commands error [505:505]
+  UINT8   RESERVED_23[6];                     // Reserved [511:506]
+} ECSD;
+
 typedef struct  {
   UINT16    RCA;
   CARD_TYPE CardType;
   OCR       OCRData;
   CID       CIDData;
   CSD       CSDData;
-  UINT32    ECSD[128];      // MMC V4 extended card specific
+  ECSD      ECSDData;                         // MMC V4 extended card specific
 } CARD_INFO;
 
 typedef struct _MMC_HOST_INSTANCE {
diff --git a/EmbeddedPkg/Universal/MmcDxe/MmcIdentification.c b/EmbeddedPkg/Universal/MmcDxe/MmcIdentification.c
index 3531fb4..5be3d86 100644
--- a/EmbeddedPkg/Universal/MmcDxe/MmcIdentification.c
+++ b/EmbeddedPkg/Universal/MmcDxe/MmcIdentification.c
@@ -90,7 +90,7 @@ EmmcIdentificationMode (
     DEBUG ((EFI_D_ERROR, "EmmcIdentificationMode(): ECSD fetch error, Status=%r.\n", Status));
   }
 
-  Status = Host->ReadBlockData (Host, 0, 512, (UINT32 *)&(MmcHostInstance->CardInfo.ECSD));
+  Status = Host->ReadBlockData (Host, 0, 512, (UINT32 *)&(MmcHostInstance->CardInfo.ECSDData));
   if (EFI_ERROR (Status)) {
     DEBUG ((EFI_D_ERROR, "EmmcIdentificationMode(): ECSD read error, Status=%r.\n", Status));
     return Status;
@@ -103,7 +103,7 @@ EmmcIdentificationMode (
   Media->LogicalBlocksPerPhysicalBlock = 1;
   Media->IoAlign = 4;
   // Compute last block using bits [215:212] of the ECSD
-  Media->LastBlock = MmcHostInstance->CardInfo.ECSD[EMMC_ECSD_SIZE_OFFSET] - 1; // eMMC isn't supposed to report this for
+  Media->LastBlock = MmcHostInstance->CardInfo.ECSDData.SEC_COUNT - 1; // eMMC isn't supposed to report this for
   // Cards <2GB in size, but the model does.
 
   // Setup card type
