* Fix PL180 hang because of CMD6 & ACMD51 not supported.

  * Fix print error with missing parameter.
  * Change CMD51 to ACMD51.
  * Add the protection after CMD55 for SD. If there's no
    response of CMD55, skip to send ACMD51.

  * Wait OCR busy bit free according to eMMC spec.
  * Define ECSD structure.
  * Add interface to set IO bus width and speed.
  * Support to access multiple blocks.

Haojian Zhuang (10):
  MmcDxe: wait OCR busy bit free
  MmcDxe: move ECSD into CardInfo structure
  MmcDxe: add SPEC_VERS field in CSD structure
  MmcDxe: add interface to change io width and speed
  MmcDxe: declare ECSD structure
  MmcDxe: set io bus width before reading EXTCSD
  MmcDxe: Fix uninitialized mediaid for SD
  MmcDxe: set iospeed and bus width in SD stack
  MmcDxe: expand to support multiple blocks
  PL180: update for indentifying SD

 ArmPlatformPkg/Drivers/PL180MciDxe/PL180Mci.c    |  15 +-
 EmbeddedPkg/Include/Protocol/MmcHost.h           |  29 ++
 EmbeddedPkg/Universal/MmcDxe/Mmc.h               | 176 +++++++++++-
 EmbeddedPkg/Universal/MmcDxe/MmcBlockIo.c        | 175 ++++++++----
 EmbeddedPkg/Universal/MmcDxe/MmcIdentification.c | 350 +++++++++++++++++++++--
 5 files changed, 659 insertions(+), 86 deletions(-)


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