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authorScott Chao <scott_chao@wistron.corp-partner.google.com>2023-11-22 14:52:14 +0800
committerEric Lai <ericllai@google.com>2023-11-24 08:31:41 +0000
commitf47e85fc7211494f501b5c9717a443e5b781b58d (patch)
tree26446f6e934a1fdb4757f1f7f9e519ef54bb3b1f /src/mainboard/ibase
parent59d27ec1c7fbf772c5cc6a3ba8e71d03335b464d (diff)
mb/google/nissa: make GPP_F17 edge triggered to avoid spamming EC
In nissa platform, we configured GPP_F17 as SCI+APIC to wake the system and also generate IRQ to the IOAPIC. Currently, we set GPP_F17 to level triggered and it causes AP (Application Processor) to keep sending GET_NEXT_EVENT to EC during resume from suspend by connecting AC. So we change GPP_F17 to edge triggered to avoid this condition. BUG=b:308716748 TEST=Original failure rate was 7 out of 10 times and it reduced to 0 out of 60 times on six joxer systems. Signed-off-by: Scott Chao <scott_chao@wistron.corp-partner.google.com> Change-Id: I3ceb1dfce46376a6a9a8c6cb6d691d818a0a42ff Reviewed-on: https://review.coreboot.org/c/coreboot/+/79244 Reviewed-by: Subrata Banik <subratabanik@google.com> Reviewed-by: Eric Lai <ericllai@google.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Reka Norman <rekanorman@chromium.org> Reviewed-by: Paul Menzel <paulepanter@mailbox.org>
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