diff options
| author | Keith Short <keithshort@chromium.org> | 2019-11-13 13:20:49 -0800 |
|---|---|---|
| committer | Commit Bot <commit-bot@chromium.org> | 2019-11-15 06:16:39 +0000 |
| commit | 188b6ff7d7b4e4139c16df188728f47ae81a4e00 (patch) | |
| tree | 3571d3bc0be47152ebb12921d9f73a06827f46ba /include | |
| parent | bb17ab2f5012784d94fb6564fbbd2c84b14f2586 (diff) | |
| download | chrome-ec-188b6ff7d7b4e4139c16df188728f47ae81a4e00.tar.gz | |
icelake/tigerlake: add option to enable PP3300 before PP5000
On Volteer, to avoid leakage from PP3300_A rail to PP5000 rail, turn on
the PP3300 rail before PP5000.
BUG=none
BRANCH=none
TEST=make buildall -j
TEST=verify Volteer transitions to S0
Change-Id: Ic86f97dbdde6d6c904fe7efc8b0edc1ead727cf6
Signed-off-by: Keith Short <keithshort@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/1918603
Reviewed-by: Abe Levkoy <alevkoy@chromium.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/config.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/config.h b/include/config.h index e92a20f411..921eb0f4c9 100644 --- a/include/config.h +++ b/include/config.h @@ -1106,6 +1106,13 @@ #undef CONFIG_CHIPSET_RESET_HOOK /* + * Enable turning on PP3300_A rail before PP5000_A rail on the Ice Lake + * and Tiger Lake chipsets. Enable this option if there is leakage from PP5000_A + * resources into PP3300_A resources. + */ +#undef CONFIG_CHIPSET_PP3300_RAIL_FIRST + +/* * Enable if chipset requires delay between power signals going high * and deasserting RSMRST to PCH. */ |