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| author | Tom Hughes <tomhughes@chromium.org> | 2020-05-04 14:19:54 -0700 |
|---|---|---|
| committer | Commit Bot <commit-bot@chromium.org> | 2020-06-23 17:55:34 +0000 |
| commit | 9c644daf1420fbec28bc9837f756cae61debab74 (patch) | |
| tree | 4fde082a6d3c68ae6ee851b5cdc05a0d487e5f29 | |
| parent | 09057301e6fe89e0c06b851c576518b42c1ee0b9 (diff) | |
| download | chrome-ec-9c644daf1420fbec28bc9837f756cae61debab74.tar.gz | |
docs/fingerprint: Add instructions for toggling hardware write protect
BRANCH=none
BUG=none
TEST=none
Signed-off-by: Tom Hughes <tomhughes@chromium.org>
Change-Id: Ibd8fa4a504798860acb85ae8fc4c4383ee55337e
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2190821
Reviewed-by: Craig Hesling <hesling@chromium.org>
Commit-Queue: Craig Hesling <hesling@chromium.org>
| -rw-r--r-- | docs/fingerprint/fingerprint-dev-for-partners.md | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/docs/fingerprint/fingerprint-dev-for-partners.md b/docs/fingerprint/fingerprint-dev-for-partners.md index b88ab6e284..6daa64f0f0 100644 --- a/docs/fingerprint/fingerprint-dev-for-partners.md +++ b/docs/fingerprint/fingerprint-dev-for-partners.md @@ -355,6 +355,31 @@ The `_mv` suffix denotes millivolt and `_mw` suffix denotes milliwatt. See [Power Measurement Documentation] for more information. *** +### Toggling Hardware Write Protect + +When using a fingerprint development board connected to servo, you can toggle +hardware write protect for testing. + +**NOTE**: `servod` must be running. + +Check the state of hardware write protect: + +```bash +(chroot) $ dut-control fw_wp_en +``` + +Enable hardware write protect: + +```bash +(chroot) $ dut-control fw_wp_en:on +``` + +Disable hardware write protect: + +```bash +(chroot) $ dut-control fw_wp_en:off +``` + ### Contributing Changes #### Using Gerrit and git |