I have tried adding loglevel=9 and both console=ttyAMA0,115200 and earlyprintk=pl011,0x7ff80000 which work with Linaro/juno but still nothing being printed. I'll keep debugging... -----Original Message----- From: Peter Robinson [mailto:pbrobinson@xxxxxxxxx] Sent: Wednesday, December 17, 2014 5:53 PM To: Ralph Campbell Cc: arm@xxxxxxxxxxxxxxxxxxxxxxx Subject: Re: Anyone install F21 on ARM juno board? On Wed, Dec 17, 2014 at 5:59 PM, Ralph Campbell <ralph.campbell@xxxxxxxxxxxx> wrote: > 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. I would try a console= line for the serial port your running it over. Peter > On Fri, Dec 12, 2014 at 6:05 PM, Ralph Campbell <ralph.campbell@xxxxxxxxxxxx> 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 > _______________________________________________ > arm mailing list > arm@xxxxxxxxxxxxxxxxxxxxxxx > https://admin.fedoraproject.org/mailman/listinfo/arm _______________________________________________ arm mailing list arm@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/arm
