MmcDxe: Adding eMMC support

[mirror_edk2.git] / EmbeddedPkg / Include / Protocol / MmcHost.h

diff --git a/EmbeddedPkg/Include/Protocol/MmcHost.h b/EmbeddedPkg/Include/Protocol/MmcHost.h
index d04be6595c31799b1cc49099fad3569b7bf02ae8..08f2ad93498eb0d19ef6c365b6e5989b72fc1ff2 100644 (file)
--- a/EmbeddedPkg/Include/Protocol/MmcHost.h
+++ b/EmbeddedPkg/Include/Protocol/MmcHost.h
@@ -1,7 +1,7 @@
 /** @file\r
   Definition of the MMC Host Protocol\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
@@ -64,6 +64,10 @@ typedef UINT32 MMC_CMD;
 #define MMC_CMD55             (MMC_INDX(55) | MMC_CMD_WAIT_RESPONSE)\r
 #define MMC_ACMD41            (MMC_INDX(41) | MMC_CMD_WAIT_RESPONSE | MMC_CMD_NO_CRC_RESPONSE)\r
 \r
+// Valid responses for CMD1 in eMMC\r
+#define EMMC_CMD1_CAPACITY_LESS_THAN_2GB 0x00FF8080 // Capacity <= 2GB, byte addressing used\r
+#define EMMC_CMD1_CAPACITY_GREATER_THAN_2GB 0x40FF8080 // Capacity > 2GB, 512-byte sector addressing used\r
+\r
 typedef enum _MMC_STATE {\r
     MmcInvalidState = 0,\r
     MmcHwInitializationState,\r