Attention is currently required from: Anastasia Klimchuk, David Wu, Hsuan-ting Chen, Kapil Porwal, Lean Sheng Tan, Nikolai Artemiev, Stefan Reinauer.

Tyler Wang uploaded patch set #10 to this change.

View Change

flashchips: Add write-protect support for GD25LQ255E

datasheet: https://www.gigadevice.com.cn/Public/Uploads/uploadfile/files/20221129/DS-00562-GD25LQ255E-Rev1.1.pdf

BUG=b:311336475
TEST=Verified on karis

w/o this patch:
$ flashrom_tester --flashrom_binary ./flashrom internal Lock_top_quad
  --> Failed

w/ this patch:
$ flashrom_tester --flashrom_binary ./flashrom internal Lock_top_quad
  --> Pass

This lock_top_quad test did(copied from partial_lock_test()):
* Disable hardware WP so we can modify the protected range.
* Then enable software WP so the range is enforced and enable
  hardware WP so that flashrom does not disable software WP during the
  operation.
* Check that we cannot write to the protected region.
* Check that we can write to the non protected region.

Change-Id: I1425e931433c00caceaabc6037a79099d6d5eac5
Signed-off-by: Tyler Wang <tyler.wang@quanta.corp-partner.google.com>
---
M flashchips.c
1 file changed, 11 insertions(+), 1 deletion(-)

git pull ssh://review.coreboot.org:29418/flashrom refs/changes/60/79460/10

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