Branch: refs/heads/master
Home: https://github.com/tianocore/edk2
Commit: f06941cc46d002f66875b6f2f711fa3df2775da4
https://github.com/tianocore/edk2/commit/f06941cc46d002f66875b6f2f711fa3df2775da4
Author: Bandaru, Purna Chandra Rao <[email protected]>
Date: 2022-03-10 (Thu, 10 Mar 2022)
Changed paths:
M MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThru.c
M MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThruHci.c
M MdeModulePkg/Include/Protocol/UfsHostControllerPlatform.h
Log Message:
-----------
MdeModulePkg: Add bRefClkFreq card attribute programming support
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3851
When the UFS card comes out of Manufacturer, bRefClkFreq attribute is set
to 1h on the UFS card as per the Manufacturer Default Value
specified by the spec JESD220*. However, depends on the UFS host system
environment, it need to be set to the correct value.
Reference Clock Frequency value
0h:19.2 MHz
1h: 26 MHz
2h: 38.4 MHz
3h: Obsolete
Others: Reserved
Cc: Wu Hao A <[email protected]>
Cc: Albecki Mateusz <[email protected]>
Cc: Liming Gao <[email protected]>
Cc: Zhiguang Liu <[email protected]>
Signed-off-by: Purna Chandra Rao Bandaru <[email protected]>
Reviewed-by: Hao A Wu <[email protected]>
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