diff options
| author | Stephen Boyd <swboyd@chromium.org> | 2022-03-17 17:38:39 -0700 |
|---|---|---|
| committer | Commit Bot <commit-bot@chromium.org> | 2022-03-18 20:23:53 +0000 |
| commit | b73886aff89eebedf27e599385fefb5feaea918f (patch) | |
| tree | cf36b647bc84fde646eb68df3338161122536198 | |
| parent | 2f3d1a3f4c13fc474adb4a2f6a1448f99cf8fd60 (diff) | |
| download | chrome-ec-b73886aff89eebedf27e599385fefb5feaea918f.tar.gz | |
flash_fp_mcu: Add power en gpio on strongbad
There's a gpio for the power enable signal in the latest revision of the
hardware (i.e. not rev0/rev1). Search for the gpio by name and use -1 if
it fails.
BRANCH=none
BUG=b:179839337
TEST=flash_fp_mcu on coachz (rev1/rev3)
Change-Id: I047236bd9a7bd3b34f2771576ff2b31952e0b094
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3534745
Reviewed-by: Alexandru Stan <amstan@chromium.org>
| -rw-r--r-- | util/flash_fp_mcu | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/util/flash_fp_mcu b/util/flash_fp_mcu index 950642a109..9d3eb65cc4 100644 --- a/util/flash_fp_mcu +++ b/util/flash_fp_mcu @@ -590,9 +590,14 @@ config_strongbad() { readonly GPIO_NRST=$((${gpiobase} + $(gpiofind FP_RST_L|cut -f2 -d" "))) # FPMCU BOOT0 is $(gpiofind FPMCU_BOOT0) is gpiochip0 10 readonly GPIO_BOOT0=$((${gpiobase} + $(gpiofind FPMCU_BOOT0|cut -f2 -d" "))) - # TODO(b/179839337): Hardware currently doesn't support PWREN, but the - # next revision will. Add a comment here about the power enable gpio. - readonly GPIO_PWREN=-1 + + # EN FP RAILS is $(gpiofind EN_FP_RAILS) is gpiochip0 74 (if available) + local en_fp_rails + if en_fp_rails=$(gpiofind EN_FP_RAILS); then + readonly GPIO_PWREN=$((${gpiobase} + $(echo $en_fp_rails|cut -f2 -d" "))) + else + readonly GPIO_PWREN=-1 + fi } config_volteer() { |