On Fri, 30 Oct 2020 11:08:07 +0100 Pali Rohár <pali@xxxxxxxxxx> wrote: > On Turris Omnia (with pci-mvebu) PERST# pin from wifi card is connected > to MCU and it asserts/deasserts this pin only after board reset. Also it > is shared line across all mPCIe slots and also with other peripherals. > > So we cannot issue reset via PERST# signal on Turris Omnia. But there > are other ways how to issue fundamental reset, via in band signaling. We can code this into MCU code, AFAIK it is upgradable from main CPU via I2C :) I wanted to try this because of LEDs anyway... But I think that all 3 PCIe slots have their PERST# signal connected to just one GPIO on the MCU...
