diff options
| author | Vadim Bendebury <vbendeb@chromium.org> | 2017-09-06 15:51:46 -0700 |
|---|---|---|
| committer | chrome-bot <chrome-bot@chromium.org> | 2017-10-10 22:13:43 -0700 |
| commit | a08f61506cc71b690858e51da905c7dcb2d7ef10 (patch) | |
| tree | 7f504d1fdaa6c6a8630656e95f1ed15e2b774d4d /docs | |
| parent | f1e6af516c87623f475900f8fc85cb9c40668092 (diff) | |
| download | chrome-ec-a08f61506cc71b690858e51da905c7dcb2d7ef10.tar.gz | |
g: rename usb_updater into gsctool
The usb_updater utility has long been not just an updater, and has
long been using other interfaces in addition to USB. gsctool is a much
more suitable name.
CQ-DEPEND=CL:709776
BRANCH=cr50
BUG=b:67007500
TEST=verified that make -C ./extra/usb_updater generates
./extra/usb_updater/gsctool:
$ ./extra/usb_updater/gsctool --help
Usage: gsctool [options] <binary image>
This updates the Cr50 RW firmware over USB.
The required argument is the full RO+RW image.
Options:
[...]
$
Change-Id: I3ab70c28acf3664ddefaa923a87ba1fd5c3c437b
Signed-off-by: Vadim Bendebury <vbendeb@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/709738
Reviewed-by: Mary Ruthven <mruthven@chromium.org>
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/usb_updater.md | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/docs/usb_updater.md b/docs/usb_updater.md index 5eb2cc2086..476b50f316 100644 --- a/docs/usb_updater.md +++ b/docs/usb_updater.md @@ -4,10 +4,13 @@ EC update over USB chip/g (Cr50) and common code (hammer, servo_micro/v4) update over USB protocols share a lot in terms of protocol and ideas, but use different code bases. -chip/g EC-side implementation is found at `chip/g/*upgrade*`, and the userspace -updater is found in `extra/usb_updater/usb_updater.c`, while common code -uses implementations in `common/*update*.c` and `include/*update*.h`, and -`extra/usb_updater/usb_updater2.c` for the userspace updater. +chip/g EC-side implementation is found in `chip/g/*upgrade*`, and the +userspace tool which provides updates over USB among with supporting other +features and interfaces is found in `extra/usb_updater/gsctool.c`. + +Common code uses implementations in `common/*update*.c` and +`include/*update*.h`, and `extra/usb_updater/usb_updater2.c` for the userspace +updater. Cr50-specific notes ------------------- @@ -24,7 +27,7 @@ is restarted, the new RO and RW are used if they pass verification and are logically newer than the existing sections. There are two ways to communicate with the Cr50 device: USB and `/dev/tpm0` -(when `usb_updater` is running on a chromebook with the Cr50 device). Originally +(when `gsctool` is running on a chromebook with the Cr50 device). Originally different protocols were used to communicate over different channels, starting with version 3 the same protocol is used. |