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path: root/src/mainboard/google/volteer/variants/voema/gpio.c
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2021-01-11mb/google/volteer: Set FORCE_PWR low at boot timeJohn Zhao
While FORCE_PWR is set high, it prevents retimer from entering low power state. S0ix failure occurs while USB4 Gatkex is connected on Port-0. This change sets FORCE_PWR(GPP_H10) low. This FORCE_PWR GPIO will be toggled by kernel through DSM method while updating retimer firmware. BUG=b:174166586 Cq-Depend: chromium:2594438 TEST=Verifed s0ix cycles with USB4 Gatkex connected on Port-0. Signed-off-by: John Zhao <john.zhao@intel.com> Change-Id: Ie4b442e1078379c522a94bfdc00cd99e6f9b8170 Reviewed-on: https://review.coreboot.org/c/coreboot/+/48649 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Duncan Laurie <dlaurie@chromium.org> Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
2020-12-11mb/google/volteer: Assert BT_DISABLE_L (GPP_A13) in early_gpio_tableAlex Levin
BT_DISABLE_L (GPP_A13) has to asserted in early_gpio_table to reset bluetooth on reset. BUG=b:171085081 TEST=volteer2 boots; scope shows assertion of the signal Change-Id: Iaa5799e9cab69c074b7920604c8a6c85ad07358a Signed-off-by: Alex Levin <levinale@google.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/48518 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Furquan Shaikh <furquan@google.com> Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org> Reviewed-by: Nick Vaccaro <nvaccaro@google.com>
2020-11-22mb/google/volteer/var/voema: Update gpio and devicetree settingsDavid Wu
Based on latest schematic and gpio table of voema, update gpio and devicetree settings for voema Proto. BUG=b:169356808 TEST=FW_NAME=voema emerge-volteer coreboot chromeos-bootimage Signed-off-by: David Wu <david_wu@quanta.corp-partner.google.com> Change-Id: I719a9948ed0d60e1de5368e096ff60c2345803b0 Reviewed-on: https://review.coreboot.org/c/coreboot/+/47667 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Frans Hendriks <fhendriks@eltan.com> Reviewed-by: Caveh Jalali <caveh@chromium.org> Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>