Re: Build Kernel 5.5 RC3 for Raspberry4
Ok cool,
So I did some more looking around, perhaps looking at this ( if you
have not yet ) might be pertinent,
https://gist.github.com/G-UK/ee7edc4844f14fec12450b2211fc886e
Nige
On Thu, Jan 2, 2020 at 2:02 PM basti <mailinglist@unix-solution.de> wrote:
>
> thank's for your request. i have try the upstream dtb from
>
> https://github.com/raspberrypi/firmware/
>
> same firmware errors. Boot stop at
> "Run /init as init process"
>
> On 02.01.20 19:24, Nigel Sollars wrote:
> > Any progress on this?
> >
> > On Wed, Jan 1, 2020 at 12:09 PM Nigel Sollars <nsollars@gmail.com> wrote:
> >> Looks like device tree's dtb's, as I said seems that your missing alot
> >> as per the fist errors ( GPIO's ) and the size difference you saw.
> >>
> >> more info here
> >>
> >> https://github.com/raspberrypi/linux/issues/2543
> >>
> >> with the link pointing here
> >>
> >> https://github.com/raspberrypi/firmware/tree/master/boot
> >>
> >> Nige
> >>
> >> On Wed, Jan 1, 2020 at 6:15 AM basti <mailinglist@unix-solution.de> wrote:
> >>> The kernel was build with
> >>>
> >>> make ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- defconfig
> >>> make ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- menuconfig
> >>> (to check if raspberry pi stuff is enablend)
> >>> make -j`nproc` ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- bindeb-pkg
> >>>
> >>> I get also firmware errors when I boot the original ubuntu image (log
> >>> attached).
> >>> so i think it doesn't matter.
> >>>
> >>> Boot the debian kernel I miss something like:
> >>>
> >>> [ 4.541716] mmc0: new ultra high speed DDR50 SDHC card at address aaaa
> >>> [ 4.555228] mmcblk0: mmc0:aaaa SC32G 29.7 GiB
> >>> [ 4.569103] mmcblk0: p1 p2
> >>>
> >>> RASPBERRYPI_FIRMWARE is set in kernel config. I'm not sure what this
> >>> mean, what steps i have to do that the kernel use the firmware.
> >>> In the log attached you can find this:
> >>>
> >>> [ 0.096980] raspberrypi-firmware soc:firmware: Attached to firmware
> >>> from 2019-08-15 12:03, variant start
> >>> [ 0.100911] raspberrypi-firmware soc:firmware: Firmware hash is
> >>> 9f8431fb7839c7f00f52b81f5822ddab2b31d0db
> >>>
> >>> which file is used there?
> >>>
> >>> On 01.01.20 05:23, Nigel Sollars wrote:
> >>>> Just took a look at the bootlog there, those GPIO failures arnt
> >>>> clever, missing firmware I would take a wild guess that things in the
> >>>> latest kernel tree has changed I did also see an article about newer
> >>>> support for the Pi 4 in the latest kernel ( cant remember if its 5.4
> >>>> or 5.5 ). Do you use 'make menuconfig'?. the size difference you
> >>>> mention with those errors do point to you not enabling the needful
> >>>>
> >>>> Looks like 4.19 has been the latest for along time, I would diff your
> >>>> 5.5 config with the 4.19 and see what you have missing / what has
> >>>> moved / changed. A quick google does not yield much so you could be
> >>>> very much on your own / pioneering this one.
> >>>>
> >>>> Hopefully helpful links
> >>>>
> >>>> Someone to perhaps reach out to for info,
> >>>> https://forum.manjaro.org/t/raspberry-pi-4-5-4-1-kernel/114273
> >>>>
> >>>> 5.5 Graphics / better support by all accounts,
> >>>>
> >>>> https://www.phoronix.com/scan.php?page=article&item=linux-55-features&num=1
> >>>> https://www.linux-arm.info/index.php/1537-linux-5-5-lands-broadcom-bcm2711-raspberry-pi-4-bits
> >>>>
> >>>> again hope this helps
> >>>>
> >>>> Nige
> >>>>
> >>>> On Tue, Dec 31, 2019 at 5:18 AM basti <mailinglist@unix-solution.de> wrote:
> >>>>> Hello,
> >>>>>
> >>>>> I have try to build kernel for raspi4 from upstream (5.5-rc3). Kernel
> >>>>> boot but can't find the SD Card, so there is no partition, no root-fs
> >>>>> and end up in initramfs/busybox.
> >>>>>
> >>>>> Log of serial console is attached. I have used U-boot and dtb from
> >>>>> ubuntu image. My dtb build during kernel build is a half size of the
> >>>>> ubuntu one and doesn't work.
> >>>>>
> >>>>> the custom build kernel works on rpi3 out of the box.
> >>>>>
> >>>>> best regards
> >>>>>
> >>>>> p.s. i build it as deb package
>
--
“Science is a differential equation. Religion is a boundary condition.”
Alan Turing
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