ARM64 – Odroid C2 – Boots with Linux-Next..

The ‘linux-next’ kernel branch has included the meson/gxbb mmc driver for some time, but the boot process hung on root disk access.     I tested with the latest (November 17) version, and this time, the boot process completed successfully: Fedora 25 … Continue reading

ARM64 – Odroid C2 – Ethernet Fix, at Last..

Thanks to Jerome Brunet, there is now a fix for the long-standing Ethernet hang problem on the C2..   Details are here:   http://lists.infradead.org/pipermail/linux-amlogic/2016-November/001538.html The patch is an attachment – named ‘attachment.bin‘, and so will need to be renamed to something appropriate..     … Continue reading

ARM64 – Odroid C2 – Hack to Fix Ethernet Hangs..

I had been constantly frustrated by the Odroid C2 meson8b-dwmac Ethernet ‘hang’ problem, which has persisted over (at least..) eight different ‘patched kernel’ versions that I have tested..    The network link hung/stopped after a short time at full (1000Mbps) speed, … Continue reading

ARM64 – Odroid C2 – New MMC Driver, Ethernet / USB Still Broken..

After some of the code for the C2 has been removed from various git repositories, there is a new 4.9-rc1-based tree at https://git.kernel.org/cgit/linux/kernel/git/khilman/linux-amlogic.git/?h=v4.10/integ , which now includes the ‘new’ rewritten MMC driver. To select this, choose ‘Amlogic S905/GX* SD/MMC Host … Continue reading

ARM64 – Multiple Meson MMC Mystery..

I was going to update the Odroid C2 to the latest patched kernel, but then found that the meson-mmc driver had mysteriously vanished from the source tree..     This – of course – makes the kernel pretty useless…    I did some … Continue reading

ARM64 – Odroid C2 – Boots with Latest ‘Linux-Next’..

I tried the latest ‘Linux-Next’ version, from https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git/log/?id=refs/tags/next-20160913 and the C2 booted OK, but the Ethernet problem still persists.. ……… eth0: device MAC address 00:1e:06:33:13:6e meson6-dwmac c9410000.ethernet eth0: Link is Up – 1Gbps/Full – flow control rx/tx Fedora 24 (Workstation … Continue reading

ARM64 – Odroid C2 – Boots with Patched 4.8-rc4 – Ethernet Issues..

Decided to try the Odroid C2 with the latest Kernel, and recently-released patches for MMC support.. Used the (patched) version of 4.8-rc4 from here:  https://github.com/ioft/linux/tree/c2    Thanks to umiddelb for producing this, which incorporates the (e)MMC support patches, and also includes … Continue reading

ARM64 – Odroid C2 U-Boot – More Progress..

Thanks to an additional U-Boot patch from Carlo Caione, it is now possible to (partially) boot the mainline Kernel from U-Boot on an eMMC module, as well as from SDcard..    Patch details here:  https://www.mail-archive.com/u-boot@lists.denx.de/msg213468.html => mmc info Device: <NULL> Manufacturer … Continue reading

ARM64 – Odroid C2 – U-Boot MMC Support..

After the initial patches to provide basic U-Boot support for the C2, as mentioned in a previous article – there is now a further patch, to enable MMC support.    Details at https://www.mail-archive.com/u-boot@lists.denx.de/msg212503.html I have applied this additional patch, and for … Continue reading

ARM64 – Odroid C2 – U-Boot Boots..

After some valuable info received from Brad (see comment on my earlier article, at http://rglinuxtech.com/?p=1723 ), I found the complete set of four patches for initial C2 U-Boot support, and applied these to the latest (May 9) GIT version of … Continue reading