[fedora-arm] Anyone install F21 on ARM juno board?

[Pavel Holica]

Have you tried experimenting with console and earlyprintk kernel command
line arguments? The kernel may be running but is not printing on your
tty/serial console.

2014-12-17 18:59 GMT+01:00 Ralph Campbell <ralph.campbell at broadcom.com>:
>
> Yes, the EFI boot code comes from Linaro and is based on Tianocore and has
> support for DTBs.
> I can TFTP boot with the Linaro kernel, DTB, and initrd.
> I can TFTP boot grubaa64.efi from Fedora-Server-DVD-aarch64-21.iso mounted
> on the server and grub displays the install menu options.
> When I select any of those options, I see vmlinuz being TFTP loaded, "EFI
> stub: Booting Linux Kernel...", and then nothing.
> I tried TFTP booting vmlinuz directly (compressed and uncompressed),
> bypassing grub, and specifying the initrd.img and DTB but that fails too.
>
> Maybe I need to pass some arguments to grub or change the grub.config
> somehow.
> I'm not sure how the DTB is loaded via grub/vmlinuz.
>
> -----Original Message-----
> From: Peter Robinson [mailto:pbrobinson at gmail.com]
> Sent: Monday, December 15, 2014 11:58 PM
> To: Ralph Campbell
> Cc: arm at lists.fedoraproject.org
> Subject: Re: [fedora-arm] Anyone install F21 on ARM juno board?
>
> On Fri, Dec 12, 2014 at 6:05 PM, Ralph Campbell <
> ralph.campbell at broadcom.com> wrote:
> > I’m trying to install F21 aarch64 on an ARM juno development board.
> >
> >
> >
> > I have been able to compile and install the Linaro kernel and UEFI
> > boot code OK and TFTP boot the kernel with a USB rootfs image
> > following the instructions from
> > http://releases.linaro.org/latest/members/arm/openembedded/juno-lsk.
> >
> >
> >
> > Some of the problems I’m hitting are due to the fact that the current
> > kernel source has a bug preventing 2 USB flash drives from being used
> > at the same time and that there doesn’t seem to be support in UEFI for
> > USB DVD ROM drives or ISO9660 filesystems.
> >
> > I can TFTP boot the EFI/BOOT/grubaa64.efi from the
> > Fedora-Server-DVD-aarch64-21.iso image but I’m not sure how to modify
> > grub.cfg to TFTP boot vmlinuz and initrd.img.
> >
> >
> >
> > If anyone has been  through this process and succeeded, I would much
> > appreciate the information.
>
> I'm not familiar with uEFI, or u-boot for that matter, on the Juno
> platform as I don't have access to the device. I believe currently even
> with uEFI you need device tree support which for Juno has only just landed
> in 3.19
>
> Is the uEFI implementation for Juno based on the reference Tianocore
> (sp?) implementation?
>
> Peter
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>


-- 
Pavel Holica
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