On Fri, Feb 17, 2023 at 08:27:05PM +0100, Olliver Schinagl wrote: > It is the Realtek series of SoC, specifically in my case, the RTL9302b, > which doesn't have a PCI peripherial, at all :) Nor configured in the > devicetree, but of course generic_mips_kernel enables the drivers, which > should be noop. I don't see anything related to PCI during boot. > > Having said that, the RTL930x series take their heritage from the RTL819x > (and probably older) wifi SoC series from realtek, which did contain a PCIe > peripherial, as that is where the (external) wifi chip was connected too. I see, and you want to use the already existing wifi driver ? > > Do you have a programmers manual for it, > > which contains details about the PCI bridge ? > > If only. There are some (leaked) datasheets, that do contain the PCI > registers, mostly (obviously) the rtl819x datasheets. https://github.com/libc0607/Realtek_switch_hacking/blob/files/REALTEK-RTL8196E.pdf > is one such example that contains the PCIe registers. that's just the PCIe PHY part, but not the localbus<->PCIe bridge part. But if the wifi part of ypur SOC is directly connected to the localbus, having the some PCI register won't help anyway. I am afraid you need to go the route via extra Kconfig section. Thomas. -- Crap can work. Given enough thrust pigs will fly, but it's not necessarily a good idea. [ RFC1925, 2.3 ]