Re: Raspberry Pi 2 and VC4 firmware license

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Mon, 2016-02-15 at 20:34 +0100, Jérôme Fenal wrote:
> 2016-02-15 16:59 GMT+01:00 Lubomir Rintel <lkundrak@xxxxx>:
> > On Mon, 2016-02-15 at 15:18 +0100, Jérôme Fenal wrote:
> > > 2016-02-15 13:02 GMT+01:00 Peter Robinson <pbrobinson@xxxxxxxxx>:
> > > > Hi Lubomir,
> > > 
> > > Hi all,
> > > 
> > > > > Seems like there's not much that's left to be done for stock
> > > > > Fedora to
> > > > > boot on Raspberry Pi 2 successfully [1].
> > > > 
> > > > There's not much, I've
> > > > 
> > > > > [1] https://bugzilla.redhat.com/show_bug.cgi?id=1308355
> > > > > 
> > > > > One bit that notably prevents us from spinning an image that
> > > > > would boot
> > > > > on RPi2 board solely from the Fedora packages is the VC4
> > > > > firmware.
> > > > 
> > > > Yes, it's one, there's a bunch of others, the kernel now should
> > > > be
> > > > mostly upstream, it's on my list (it's very long) to enable
> > > > this
> > > > and
> > > > test it. We also need to be able to use u-boot so that we can
> > > > do
> > > > standard kernel upgrades/rollbacks as well as deal with the
> > > > fact
> > > > the
> > > > firmware needs a VFAT partition without having to have the
> > > > confusion
> > > > and QA of twice the amount of images produced
> > > 
> > > What do we miss, besides this BZ, to get Fedora running on the
> > > Rappberry Pi 2?
> > 
> > u-boot fixes are needed to build/run the board. All likely
> > to be included in 2016/03 upstream:
> > 
> > * http://lists.denx.de/pipermail/u-boot/2016-February/245385.html
> > To fix the uboot-tools build
> > 
> > * 89ca1000 ARM: rpi: set fdt_high in the default environment
> > This, to load fdt where VMSPLIT_3G kernel can reach it.
> > 
> > * http://lists.denx.de/pipermail/u-boot/2016-February/245402.html
> > Alike, for the ramdisk.
> > 
> > That is the bare minimim to get the system to boot.
> > There's a couple of known flaws and likely some unknown:
> > 
> > * Some drivers are missing: http://elinux.org/RPi_Upstreaming
> > 
> > * The ethernet MAC address is random. Fix headed for 4.6.
> > 
> > * VC4 is not bound to the device tree. And the configfs interface
> > to
> > the overlays is not yet here. This could possibly be worked around
> > by
> > an userspace tool that would generate a desired dtb from fragments.
> > 
> > * Not sure if simplefb works. It certainly does not for my DSI
> > display.
> > Didn't try with newer firmware or HDMI, will look into that.
> > 
> > > With also Eric Anholt's new VC4 driver[1], that should get us
> > > closer
> > > and closer from a fully-supportable Pi 2.
> > > 
> > > If needed, I just received a bunch of Pi 2 (5 of them), that I'll
> > > be
> > > happy to use to test, either within Red Hat premises, or from my
> > > personal internet connection.
> > 
> > I'll try to share an image you could run tomorrow.
> 
> Thank you, I'll try it later this week-end, my week is almost full.

Here's what I have now. Mostly stock Fedora + kernel configuration and
patches to make ethernet mac address stable (would work without them
too):

https://pignus.computer/pub/experimental/armv7hl/

> 
_______________________________________________
arm mailing list
arm@xxxxxxxxxxxxxxxxxxxxxxx
http://lists.fedoraproject.org/admin/lists/arm@xxxxxxxxxxxxxxxxxxxxxxx




[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Index of Archives]     [Linux ARM (Vger)]     [Linux ARM]     [ARM Kernel]     [Fedora User Discussion]     [Older Fedora Users Discussion]     [Fedora Advisory Board]     [Fedora Security]     [Fedora Maintainers]     [Fedora Devel Java]     [Fedora Legacy]     [Fedora Desktop]     [ATA RAID]     [Fedora Marketing]     [Fedora Mentors]     [Fedora Package Announce]     [Fedora Package Review]     [Fedora Music]     [Fedora Packaging]     [Centos]     [Fedora SELinux]     [Coolkey]     [Yum Users]     [Tux]     [Yosemite News]     [Linux Apps]     [KDE Users]     [Fedora Tools]     [Fedora Art]     [Fedora Docs]     [Asterisk PBX]

Powered by Linux