Hi, Krzysztof, On Fri, Mar 14, 2025 at 3:53 PM Krzysztof Wilczyński <kw@xxxxxxxxx> wrote: > > Hello, > > > The OHCI controller (rev 0x02) under LS7A PCI host has a hardware flaw. > > MMIO register with offset 0x60/0x64 is treated as legacy PS2-compatible > > keyboard/mouse interface, which confuse the OHCI controller. Since OHCI > > only use a 4KB BAR resource indeed, the LS7A OHCI controller's 32KB BAR > > is wrapped around (the second 4KB BAR space is the same as the first 4KB > > internally). So we can add an 4KB offset (0x1000) to the BAR resource as > > a workaround. > > Applied to controller/loongson, thank you! I'm sorry but since Bjorn has some questions, and I need some time to investigate, please drop it at present. Thanks. Huacai > > Krzysztof