Hi Stefan, Firstly thanks for your work here. > >>> But there are also lot of hacks. Currently the biggest part on Kernel > >>> side is the PCIe driver which isn't upstreamed yet. Another problem is > >>> that there is no U-Boot support yet. > >> I figured as much, I had looked at the 4.19.y branch as I figured > >> that's where the initial bits would be but I hadn't seen anything that > >> stood out :-/ > >> > >> I was looking through the DT compatible strings from > >> bcm2711-rpi-4-b.dtb and worked out the issues with the PCIe issue, I > >> figured there was either a new driver or enablement to one of the > >> other broadcom drivers, most of the rest looked like fairly generic > >> Arm IP or exisiting broadcom bits so my guess would there would be DT > >> plus probably some enablement bits for the new SoC to find. > > I will start to prepare an initial RFC series in the near future. But > > it's summer, so don't expect anything too soon. > > > Just a short update: it will be a bumpy road :-( > > The good news first: sdhci (incl. clk changes) and pinctrl are ready. > > But there is hassle with DMA especially with current Linux 5.3 rc. So in > case the initial series land for Linux 5.4, there will be only debug > UART and no graphics support. Also i'm currently not sure arm64 support > will be ready. Is there a tracking ticket for the changes that need to be made, issues etc. I noticed you posted a v2 series this morning. Is the aarch64 issue the one with the dma32 problems or is there other issues as well? Peter _______________________________________________ arm mailing list -- arm@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to arm-leave@xxxxxxxxxxxxxxxxxxxxxxx Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/arm@xxxxxxxxxxxxxxxxxxxxxxx