From: Samah Mansour <samah.mansour1@gmail.com>
To: edk2-devel@lists.01.org
Subject: SPI Flash Corruption
Date: Wed, 19 Sep 2018 10:26:50 -0400 [thread overview]
Message-ID: <CANzcc-fPmC03xw+p-8_m49pUS29-eL-8OuESJa39+dWfkoJ2GA@mail.gmail.com> (raw)
Hello,
Our product uses a Baytrail with Minnowboard Max bios firmware ( version
0.93). Every now and then we see SPI flash corruption due to power cuts
while the unit is booting which causes the unit not to boot anymore. After
investigation we noticed that the VPD area is all FFs (address
44000->47DFF0).
We have noticed that the Bios while booting writes to the flash from
several places in the code, which is if interrupted most probably is
causing the corruption.
Why is the bios writing all these configurations to flash while booting, is
it to optimize boot time? is it ok if we disable the bios writing to flash
completely to protect ourselves from corruption?
Samah
next reply other threads:[~2018-09-19 14:27 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-19 14:26 Samah Mansour [this message]
2018-09-20 13:48 ` SPI Flash Corruption Laszlo Ersek
2018-09-20 15:47 ` Samah Mansour
2018-09-20 23:43 ` Yao, Jiewen
2018-09-21 9:26 ` Wei, David
2018-09-21 16:52 ` Andrew Fish
2018-09-21 17:18 ` Samah Mansour
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