/** @file\r
Main Header file for the MMC DXE driver\r
\r
- Copyright (c) 2011, ARM Limited. All rights reserved.\r
- \r
- This program and the accompanying materials \r
- are licensed and made available under the terms and conditions of the BSD License \r
- which accompanies this distribution. The full text of the license may be found at \r
- http://opensource.org/licenses/bsd-license.php \r
+ Copyright (c) 2011-2015, ARM Limited. All rights reserved.\r
\r
- THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r
- WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r
+ This program and the accompanying materials\r
+ are licensed and made available under the terms and conditions of the BSD License\r
+ which accompanies this distribution. The full text of the license may be found at\r
+ http://opensource.org/licenses/bsd-license.php\r
+\r
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
\r
**/\r
\r
#include <Protocol/MmcHost.h>\r
\r
#include <Library/UefiLib.h>\r
+#include <Library/DebugLib.h>\r
+#include <Library/UefiBootServicesTableLib.h>\r
\r
#define MMC_TRACE(txt) DEBUG((EFI_D_BLKIO, "MMC: " txt "\n"))\r
\r
\r
#define MMC_OCR_POWERUP 0x80000000\r
\r
-#define MMC_CSD_GET_CCC(Response) (Response[1] >> 20)\r
-#define MMC_CSD_GET_TRANSPEED(Response) (Response[0] & 0xFF)\r
-#define MMC_CSD_GET_READBLLEN(Response) ((Response[1] >> 16) & 0xF)\r
-#define MMC_CSD_GET_WRITEBLLEN(Response) ((Response[3] >> 22) & 0xF)\r
-#define MMC_CSD_GET_FILEFORMAT(Response) ((Response[3] >> 10) & 0x3)\r
-#define MMC_CSD_GET_FILEFORMATGRP(Response) ((Response[3] >> 15) & 0x1)\r
-#define MMC_CSD_GET_DEVICESIZE(csd) (((Response[2] >> 30) & 0x3) | ((Response[1] & 0x3FF) << 2))\r
-#define MMC_CSD_GET_DEVICESIZEMULT(csd) ((Response[2] >> 15) & 0x7)\r
+#define MMC_CSD_GET_CCC(Response) (Response[2] >> 20)\r
+#define MMC_CSD_GET_TRANSPEED(Response) (Response[3] & 0xFF)\r
+#define MMC_CSD_GET_READBLLEN(Response) ((Response[2] >> 16) & 0xF)\r
+#define MMC_CSD_GET_WRITEBLLEN(Response) ((Response[0] >> 22) & 0xF)\r
+#define MMC_CSD_GET_FILEFORMAT(Response) ((Response[0] >> 10) & 0x3)\r
+#define MMC_CSD_GET_FILEFORMATGRP(Response) ((Response[0] >> 15) & 0x1)\r
+#define MMC_CSD_GET_DEVICESIZE(csd) (((Response[1] >> 30) & 0x3) | ((Response[2] & 0x3FF) << 2))\r
+#define HC_MMC_CSD_GET_DEVICESIZE(Response) ((Response[1] >> 16) | ((Response[2] & 0x40) << 16));\r
+#define MMC_CSD_GET_DEVICESIZEMULT(csd) ((Response[1] >> 15) & 0x7)\r
+\r
+#define MMC_R0_READY_FOR_DATA (1 << 8)\r
\r
#define MMC_R0_CURRENTSTATE(Response) ((Response[0] >> 9) & 0xF)\r
\r
UNKNOWN_CARD,\r
MMC_CARD, //MMC card\r
MMC_CARD_HIGH, //MMC Card with High capacity\r
+ EMMC_CARD, //eMMC 4.41 card\r
SD_CARD, //SD 1.1 card\r
SD_CARD_2, //SD 2.0 or above standard card\r
SD_CARD_2_HIGH //SD 2.0 or above high capacity card\r
} CARD_TYPE;\r
\r
typedef struct {\r
- UINT32 Reserved0: 7; // 0 \r
+ UINT32 Reserved0: 7; // 0\r
UINT32 V170_V195: 1; // 1.70V - 1.95V\r
UINT32 V200_V260: 7; // 2.00V - 2.60V\r
UINT32 V270_V360: 9; // 2.70V - 3.60V\r
UINT32 RESERVED_1: 5; // Reserved\r
- UINT32 AccessMode: 2; // 00b (byte mode), 10b (sector mode) \r
- UINT32 Busy: 1; // This bit is set to LOW if the card has not finished the power up routine\r
+ UINT32 AccessMode: 2; // 00b (byte mode), 10b (sector mode)\r
+ UINT32 PowerUp: 1; // This bit is set to LOW if the card has not finished the power up routine\r
} OCR;\r
\r
typedef struct {\r
UINT8 PERM_WRITE_PROTECT: 1; // Permanent write protection [13:13]\r
UINT8 COPY: 1; // Copy flag (OTP) [14:14]\r
UINT8 FILE_FORMAT_GRP: 1; // File format group [15:15]\r
- \r
+\r
UINT16 RESERVED_2: 5; // Reserved [20:16]\r
UINT16 WRITE_BL_PARTIAL: 1; // Partial blocks for write allowed [21:21]\r
UINT16 WRITE_BL_LEN: 4; // Max. write data block length [25:22]\r
UINT16 R2W_FACTOR: 3; // Write speed factor [28:26]\r
UINT16 RESERVED_3: 2; // Reserved [30:29]\r
UINT16 WP_GRP_ENABLE: 1; // Write protect group enable [31:31]\r
- \r
+\r
UINT32 WP_GRP_SIZE: 7; // Write protect group size [38:32]\r
UINT32 SECTOR_SIZE: 7; // Erase sector size [45:39]\r
UINT32 ERASE_BLK_EN: 1; // Erase single block enable [46:46]\r
UINT32 VDD_R_CURR_MAX: 3; // Max. read current @ VDD max [58:56]\r
UINT32 VDD_R_CURR_MIN: 3; // Max. read current @ VDD min [61:59]\r
UINT32 C_SIZELow2: 2; // Device size [63:62]\r
- \r
+\r
UINT32 C_SIZEHigh10: 10;// Device size [73:64]\r
UINT32 RESERVED_4: 2; // Reserved [75:74]\r
UINT32 DSR_IMP: 1; // DSR implemented [76:76]\r
UINT8 TRAN_SPEED ; // Max. bus clock frequency [103:96]\r
UINT8 NSAC ; // Data read access-time 2 in CLK cycles (NSAC*100) [111:104]\r
UINT8 TAAC ; // Data read access-time 1 [119:112]\r
- \r
+\r
UINT8 RESERVED_5: 6; // Reserved [125:120]\r
UINT8 CSD_STRUCTURE: 2; // CSD structure [127:126]\r
} CSD;\r
OCR OCRData;\r
CID CIDData;\r
CSD CSDData;\r
+ UINT32 ECSD[128]; // MMC V4 extended card specific\r
} CARD_INFO;\r
\r
typedef struct _MMC_HOST_INSTANCE {\r
EFI_BLOCK_IO_PROTOCOL BlockIo;\r
CARD_INFO CardInfo;\r
EFI_MMC_HOST_PROTOCOL *MmcHost;\r
+\r
+ BOOLEAN Initialized;\r
} MMC_HOST_INSTANCE;\r
\r
#define MMC_HOST_INSTANCE_SIGNATURE SIGNATURE_32('m', 'm', 'c', 'h')\r
/**\r
Reset the block device.\r
\r
- This function implements EFI_BLOCK_IO_PROTOCOL.Reset(). \r
+ This function implements EFI_BLOCK_IO_PROTOCOL.Reset().\r
It resets the block device hardware.\r
ExtendedVerification is ignored in this implementation.\r
\r
/**\r
Reads the requested number of blocks from the device.\r
\r
- This function implements EFI_BLOCK_IO_PROTOCOL.ReadBlocks(). \r
+ This function implements EFI_BLOCK_IO_PROTOCOL.ReadBlocks().\r
It reads the requested number of blocks from the device.\r
All the blocks are read, or an error is returned.\r
\r
/**\r
Writes a specified number of blocks to the device.\r
\r
- This function implements EFI_BLOCK_IO_PROTOCOL.WriteBlocks(). \r
+ This function implements EFI_BLOCK_IO_PROTOCOL.WriteBlocks().\r
It writes a specified number of blocks to the device.\r
All blocks are written, or an error is returned.\r
\r
IN EFI_BLOCK_IO_PROTOCOL *This\r
);\r
\r
+EFI_STATUS\r
+MmcNotifyState (\r
+ IN MMC_HOST_INSTANCE *MmcHostInstance,\r
+ IN MMC_STATE State\r
+ );\r
+\r
+EFI_STATUS\r
+InitializeMmcDevice (\r
+ IN MMC_HOST_INSTANCE *MmcHost\r
+ );\r
+\r
+VOID\r
+EFIAPI\r
+CheckCardsCallback (\r
+ IN EFI_EVENT Event,\r
+ IN VOID *Context\r
+ );\r
+\r
+VOID\r
+PrintCSD (\r
+ IN UINT32* Csd\r
+ );\r
+\r
+VOID\r
+PrintRCA (\r
+ IN UINT32 Rca\r
+ );\r
+\r
+VOID\r
+PrintOCR (\r
+ IN UINT32 Ocr\r
+ );\r
+\r
+VOID\r
+PrintResponseR1 (\r
+ IN UINT32 Response\r
+ );\r
+\r
+VOID\r
+PrintCID (\r
+ IN UINT32* Cid\r
+ );\r
+\r
#endif\r
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