On Mon, Jun 15, 2020 at 4:48 AM Nicolas Saenz Julienne <nsaenzjulie...@suse.de> wrote: > > On Mon, 2020-06-15 at 11:28 +0200, Sylwester Nawrocki wrote: > > Hi, > > > > (Cc: Nicolas and Jim) > > Jim, FYI, this relates to u-boot's pcie-brcmstb implementation. > > > On 11.06.2020 11:18, Peter Robinson wrote: > > > > > > I am trying to test v4 of your patch series for USB support on rpi4: > > > > > > I am building u-boot 64-bit. Testing on a rpi4 B 1.2 board. But, > > > > > > USB > > > > > > is > > > > > > not working for me and wanted to see if you had any ideas. Are > > > > > > there > > > > > > other dependencies other than just applying your patch series? > > > > > > > > > > > > I've pasted the u-boot console output below. > > > > > > > > > > > > From what I can tell this board does not need the VL805 firmware > > > > > > > > > > 1.2 rev boards do need the firmware loading patch series, not sure > > > > > about any other patches. > > > > > > > > Are you sure? A colleague of mine said that it was in 1.4 that the > > > > flash > > > > chip for the VL805 was removed. I can physically see that the flash > > > > chip is on my board. > > > > > > Yes, I am sure, the 1.2 is for the 2/4Gb model with the changes that > > > need the firmware loading, the 1.4 according to their rev docs is > > > limited to the 8Gb model ATM. > > > > > > > https://www.raspberrypi.org/documentation/hardware/raspberrypi/revision-codes/README.md > > > > I'm also using rev. 1.2 board and it has the flash chip mounted and doesn't > > need the VL805 firmware loading patch series. > > The first comercially available board I've seen without the vl805 eeprom is > the > new 8GB variant. There should be an unpopulated chip just below the audio > Jack. > > > > > In any case, I did figure out one thing that was going on. I was using > > > > the rpi4 DTB as it came shipped with my board. I found that on the > > I strongly suggest you either use the Linux upstream device-tree or if not > possible, the latest device-tree maintained by the rpi guys. For example the > one available on their rpi-5.7.y branch. > > Lots has changed since they released the original device-tree and you're > likely > to run into issues like this one all over the place, if combining it with > upstream code.
Thanks! Stuart
