MmcDxe: Adding eMMC support

[mirror_edk2.git] / EmbeddedPkg / Universal / MmcDxe / Mmc.h

diff --git a/EmbeddedPkg/Universal/MmcDxe/Mmc.h b/EmbeddedPkg/Universal/MmcDxe/Mmc.h
index 44ad585bbafca2fe74182f20fdb1ed847cdb5a3c..e84c3c1cdf1b803df5cc70732ba06c20a4b71e5e 100644 (file)
--- a/EmbeddedPkg/Universal/MmcDxe/Mmc.h
+++ b/EmbeddedPkg/Universal/MmcDxe/Mmc.h
@@ -1,7 +1,7 @@
 /** @file\r
   Main Header file for the MMC DXE driver\r
 \r
-  Copyright (c) 2011, ARM Limited. All rights reserved.\r
+  Copyright (c) 2011-2014, 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
@@ -24,6 +24,7 @@
 #include <Protocol/MmcHost.h>\r
 \r
 #include <Library/UefiLib.h>\r
+#include <Library/DebugLib.h>\r
 \r
 #define MMC_TRACE(txt)  DEBUG((EFI_D_BLKIO, "MMC: " txt "\n"))\r
 \r
@@ -32,14 +33,17 @@
 \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
@@ -54,6 +58,7 @@ typedef enum {
   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
@@ -66,7 +71,7 @@ typedef struct {
   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  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
@@ -144,6 +149,8 @@ typedef struct _MMC_HOST_INSTANCE {
   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
@@ -283,4 +290,47 @@ MmcFlushBlocks (
   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