ARM – Rock2 – Kernel 4.6-rc4 – MMC Swaparound – Bug or Feature?

I had been running Kernel 4.6-rc2 on the Radxa Rock2 without any issues, and decided to update to recently-released Kernel 4.6-rc4.. Brief details of changes from -rc3 are here:  http://lkml.iu.edu/hypermail/linux/kernel/1604.2/00610.html The boot failed, and I then compiled/installed 4.6-rc3 to see … Continue reading

ARM – Rock2 to Kernel 4.6-rc2 – Ethernet OK, Now..

Updated the Rock2 to Kernel 4.6-rc2, and the Ethernet problem has been fixed.. Fedora 23 (Twenty Three) Kernel 4.6.0-rc2 on an armv7l (ttyS2) …………. ]# uname -a Linux rgrock2 4.6.0-rc2 #1 SMP Sun Apr 3 21:05:44 EDT 2016 armv7l armv7l … Continue reading

ARM – Rock2 – Finally an Ethernet Fix that Works..

After a lot of searching – and more testing (mostly unsuccessful..) I finally have a set of two patches that fix the Ethernet driver problem with the Rock2 in 4.6-rc1..     The problem is that the stmmac driver is common to … Continue reading

ARM – Rock2 to 4.6-rc1 – and Ethernet Fix Fails..

Updated the Rock2 to Kernel 4.6-rc1: ……… Fedora 23 (Twenty Three) Kernel 4.6.0-rc1 on an armv7l (ttyS2) ……………….. # uname -a Linux rgrock2 4.6.0-rc1 #1 SMP Sun Mar 27 03:47:06 EDT 2016 armv7l armv7l armv7l GNU/Linux The stmmac Ethernet driver … Continue reading

ARM – Rock2 – Not so Hot, Now..

Finally managed to cobble together a rudimentary case and fan with heatsink for the rock2, and now I can compile correctly (# make -j5, etc..) and run # git clone… without the system overheating and rebooting..    Just two sheets of … Continue reading

ARM – Rock2 – Fix for SDCard Boot, and Ethernet..

Kernel 4.5-rc7 had booted successfully on the Radxa Rock2, but 4.5 Final failed, as the SDcard was ‘loaded’ just too late: mmc_host mmc1: Bus speed (slot 0) = 400000Hz (slot req 400000Hz, actual 400000HZ div = 0) dwmmc_rockchip ff0f0000.dwmmc: 1 … Continue reading

ARM – Rock2 – Kernel 4.5-rc7 Boot Success

After a lot of testing, and some more confusion, I have managed to get the Rock2 to boot using the latest (2016.03-rc3) version of U-Boot, and the latest kernel (4.5-rc7) As previously, there was a lot of conflicting information……. I … Continue reading

ARM – Radxa Rock2 – Powerful, but Confused..

Recently took delivery of a Radxa Rock2 ARMv7 system, based on the RX3288 Cortex A17 chipset.. The system comes with a version of Android installed on the onboard eMMC, but I managed – after a bit of work – to … Continue reading