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MmcDxe: Adding eMMC support

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Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Olivier Martin <olivier.martin@arm.com>



git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15074 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Olivier Martin
2014-01-09 19:06:25 +00:00
committed by oliviermartin
parent 4f67c7ffa1
commit b4fdedc254
5 changed files with 476 additions and 263 deletions
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6
EmbeddedPkg/Include/Protocol/MmcHost.h
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@ -1,7 +1,7 @@
/** @file
Definition of the MMC Host Protocol
Copyright (c) 2011, ARM Limited. All rights reserved.
Copyright (c) 2011-2014, ARM Limited. All rights reserved.
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
@ -64,6 +64,10 @@ typedef UINT32 MMC_CMD;
#define MMC_CMD55 (MMC_INDX(55) | MMC_CMD_WAIT_RESPONSE)
#define MMC_ACMD41 (MMC_INDX(41) | MMC_CMD_WAIT_RESPONSE | MMC_CMD_NO_CRC_RESPONSE)
// Valid responses for CMD1 in eMMC
#define EMMC_CMD1_CAPACITY_LESS_THAN_2GB 0x00FF8080 // Capacity <= 2GB, byte addressing used
#define EMMC_CMD1_CAPACITY_GREATER_THAN_2GB 0x40FF8080 // Capacity > 2GB, 512-byte sector addressing used
typedef enum _MMC_STATE {
MmcInvalidState = 0,
MmcHwInitializationState,