Hi Bin, On 22.04.2020 08:00, Bin Meng wrote: > On Wed, Apr 22, 2020 at 12:51 AM Sylwester Nawrocki > <[email protected]> wrote: [...] >> So far I couldn't come up with anything better to make the xHCI host >> controller working on the rpi4 board. For some reason dereferencing >> a 64-bit pointer to access 64-bit registers doesn't work there, >> might be a limitation of the PCIe bridge behind the SCB. In Linux >> always 2 double word accesses are used. > > If Linux always uses 2 double word accesses, let's simply do the same > in U-Boot by removing the readq/writeq.
Thanks for your review. That sounds good to me, I will do it that way in next iteration. -- Regards, Sylwester
