On Tue, Sep 5, 2017 at 11:11 PM, Tuomas Tynkkynen <tuomas.tynkky...@iki.fi> wrote: > Hi, > > On 09/04/2017 10:55 PM, Paul Barker wrote: >> >> >> I looks like u-boot v2017.09-rc4 is still unable to boot Linux on >> Raspberry Pi devices. I've just tested this now on a Raspberry Pi >> (original Model B) and confirmed that it gets stuck at "Starting >> kernel ...". > > > FWIW, works for me. I think you need to be more specific since there are > huge number of variables related to running Linux on the RPi. My > configuration is: > > - Device is Raspberry Pi Model B (512M RAM) > - Firmware is tagged 1.20170811 > - U-Boot v2017.09-rc4 > - The Foundation/Raspbian kernel tagged 1.20170811, based on 4.9.41. The > kernel is self-built. Or well, built by the package manager in NixOS but I > am the maintainer of the RPi kernel package there. > - As for the device tree, I am letting U-Boot load bcm2708-rpi-b.dtb built > by the Foundation/Raspbian kernel from disk (i.e. firmware is not > involved with the device tree at all)
I think this is the difference. We're passing $fdt_addr through to Linux. This is set to the saved fw_dtb_pointer which is the address the firmware passed into u-boot at start up by the code in board/raspberrypi/rpi/. > - The framebuffer, USB, keyboard & Ethernet work in Linux. I have never > tested the other peripherals (or GPU acceleration). > > My setup has been unchanged (except for routine package upgrades of the > firmware, kernel & U-Boot obviously) since July 2016. That's when the > Foundation/Raspbian kernel started requiring a device tree. Thanks, -- Paul Barker Togán Labs Ltd _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot
