REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3886
bRefClkFreq UFS card attribute need to be read and written after successful
fDeviceInit and NOP response so that link will be stable.
Cc: Wu Hao A
Cc: Albecki Mateusz
Cc: Liming Gao
Cc: Zhiguang Liu
Signed-off-by: Purna Chandra Rao Ban
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 t
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 "MDV” (Manufacturer Default Value)
specified by the spec JESD220*. However, depends on the UFS host system
environment, it need to be
Thank you Wu, Hao.
1) Even in multiple UFS host controllers it will have single REF_CLK.
2) responded in line.
Thanks
~Purna
-Original Message-
From: Wu, Hao A
Sent: Monday, March 7, 2022 1:39 PM
To: devel@edk2.groups.io; Bandaru, Purna Chandra Rao
Cc: Albecki, Mateusz
Subject
When the UFS card comes out of Manufacturer, bRefClkFreq attribute is set
to 1h on the UFS card as per the "MDV” (Manufacturer Default Value)
specified by the spec JESD220*. However, depends on the UFS host system
environment, it need to be set to correct value.
Reference Clock Frequency value
0h:
https://bugzilla.tianocore.org/show_bug.cgi?id=3217
Current Ufs Pass thru driver polls for 5us and return success even when
the timeout occurs.
There are cards that can take upto 600ms for Init and hence increased
the time out for fDeviceInit polling loop.
Change-Id: I7b38e6f6aa46d93f07621caf29ad
://wiki.ith.intel.com/display/ITSFID/EDK+II+Development+Process
Thanks
~Purna
-Original Message-
From: Laszlo Ersek
Sent: Tuesday, February 23, 2021 11:20 PM
To: devel@edk2.groups.io; Bandaru, Purna Chandra Rao
Cc: Albecki, Mateusz ; Ni, Ray ;
Wu, Hao A ; Leif Lindholm (Nuvia address)
; Kinney
MVE teams on the protocol analyzer tools etc.
Thanks
~Purna
-Original Message-
From: Wu, Hao A
Sent: Tuesday, February 23, 2021 6:46 AM
To: Bandaru, Purna Chandra Rao ;
devel@edk2.groups.io
Cc: Albecki, Mateusz ; Ni, Ray
Subject: RE: [edk2-devel] [PATCH] MdeModulePkg/UfsPassThruDxe
review and help to get this changes at the earliest in master as
well as Downstream/master.
Thanks
~Purna
-Original Message-
From: Wu, Hao A
Sent: Monday, February 22, 2021 2:10 PM
To: devel@edk2.groups.io; Wu, Hao A ; Bandaru, Purna
Chandra Rao
Cc: Albecki, Mateusz ; Ni, Ray