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authorAamir Bohra <aamir.bohra@intel.com>2020-05-18 12:17:45 +0530
committerPatrick Georgi <pgeorgi@google.com>2020-06-10 18:30:59 +0000
commit214c719eed83967b8f0564feca65eebb3d83f5bc (patch)
tree2d7703ccd8ba66fc7b3d635894b8ea1b6ad4f486 /src/mainboard/google/daisy/memlayout.ld
parentb468d569f6acc2815158ec5ce7d54e20ec98a89b (diff)
mb/google/dedede: Add mainboard acpi support for GPIO PM configuration
Setting the default values for GPIO community power management, causes issues in detecting TPM interrupts. So to avoid that GPIO PM has to be disabled in devicetree. But for S0ix it is needed. This patch implements a workaround in ASL code to enable GPIO PM on S0ix entry and disable it on S0ix exit. This patch adds the following three platform specific methods. 1. MS0X to enable power management features for GPIO communities on low power mode entry and disables it on exit. 2. MPTS to enable power management features for GPIO communities when preparing to sleep. 3. MWAK to disable power management features for GPIO communities on waking up. BUG=b:153847814 TEST=Verify S0ix is working. GPIO PM configuration is upadated on low power mode entry and exit. Change-Id: I7225b78ab2ac5bf17f93230cd85cd21e836d807d Signed-off-by: Aamir Bohra <aamir.bohra@intel.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/41502 Reviewed-by: Karthik Ramasubramanian <kramasub@google.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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