Re: Build Kernel 5.5 RC3 for Raspberry4
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
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