** Also affects: linux-bluefield (Ubuntu Focal)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/2089455
Title:
BF2: Add support for eMMC HW reset
Status in linux-bluefield package in Ubuntu:
New
Status in linux-bluefield source package in Focal:
New
Bug description:
This is a cherry-pick of
https://bugs.launchpad.net/ubuntu/+source/linux-bluefield/+bug/2072675
from jammy to focal.
SRU Justification:
[Impact]
This is a cherry-pick fix from upstream to Add support for BF2 eMMC HW reset
[Fix]
BLueField eMMC RST_N register is implemented as secure, thus the default
hw_reset() implementation won't work. This patch provides BlueField specific
hw_reset() which send SMC call to ATF to update the same RST_N register.
[Test Case]
Same functionality and testing as on BlueField-1/2.
[Regression Potential]
Same behavior from user perspective.
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