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Category Archives: armv7

ARM – Next CHIP – Waiting for Hynix NAND Support..

Adventures With Linux ™ Posted on July 15, 2016 by RGJuly 15, 2016

Tested some of the kernel versions possible (or not..) for the Next CHIP ARMv7, with mixed results..     I added an Ethernet/USB device (ax88179-based) on the USB hub, and the network connection works fine.. Linux-Next does not yet have the drivers for the Hynix NAND in the CHIP, although – with the rootfs separate on a USB stick … Continue reading →

Posted in armv7, compilation, Crash and Burn.., Hacks, kernel, Linux / ARM, Next CHIP, Opinion, Performance | Tagged armv7, code problems, github confusion, hynix, nand, next chip, support in progress | Leave a reply

ARM – Next CHIP ARMv7 – First Impressions..

Adventures With Linux ™ Posted on July 12, 2016 by RGJuly 12, 2016

After pre-ordering one many months ago, I finally got my Next CHIP ARMv7 system in the post.. It certainly is fairly small, but seems well-constructed..     Details are at http://docs.getchip.com/chip.html#chip-hardware After connecting the UART/USB cable, as normal, the system booted into a cut-down version of Debian..   There is no hdmi, or sdcard connector, or Ethernet, but the wi-fi … Continue reading →

Posted in arm, armv7, Fedora, Hacks, Linux, Linux / ARM, Next CHIP, Opinion, Performance | Tagged armv7, boot, fedora 24, first impressions, linux, next chip, success, ubifs | Leave a reply

ARM – Another Source for Rootfs Images..

Adventures With Linux ™ Posted on April 26, 2016 by RGApril 26, 2016

If you need a particular rootfs for an ARM7 or ARM64 device, there is a source of these at http://libguestfs.org/download/builder/ As an example, for Fedora 23 aarch64, then download the http://libguestfs.org/download/builder/fedora-23-aarch64.xz file, and then expand it (I use ark..)   This will give you a file fedora-23-aarch64, and simply rename this to fedora-23-aarch64.img. As the Fedora aarch64 images … Continue reading →

Posted in aarch64, arm, ARM64, armv7, boot, Fedora, Linux / ARM, Opinion, Performance | Tagged arm, arm64, details, extract, libguestfs.org, rootfs images | 1 Reply

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

Adventures With Linux ™ Posted on April 1, 2016 by RGApril 1, 2016

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 several SOC setups, and each maintainer seems to have produced their own version of a fix.. The … Continue reading →

Posted in armv7, Hacks, Linux / ARM, Performance, radxa, Rock2, success | Tagged ethernet driver, kernel 4.6-rc1, patches, radxa, rock2, stmmac, success | Leave a reply

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

Adventures With Linux ™ Posted on March 27, 2016 by RGMarch 27, 2016

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 bug from 4.5 Final has still not been fixed, and the driver code has changed in 4.6-rc1, … Continue reading →

Posted in armv7, fix, Hacks, kernel, Linux / ARM, radxa, Rock2, success | Tagged arm, armv7, ethernet patch, kernel 4.6-rc1, linux, radxa, rock2, success, update | Leave a reply

ARM – Rock2 – Not so Hot, Now..

Adventures With Linux ™ Posted on March 23, 2016 by RGMarch 23, 2016

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 perspex, and some assorted m3 nylon pillars and screws.. The 5V power supply needs to be around … Continue reading →

Posted in armv7, Crash and Burn.., Hacks, hardware, Linux / ARM, Performance, radxa, Rock2, rx3288 | Tagged case, cooling, fan, hardware, radxa, rock2, success | Leave a reply

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

Adventures With Linux ™ Posted on March 19, 2016 by RGMarch 19, 2016

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 slots initialized ……………………… VFS: Cannot open root device “mmcblk1p1” or unknown-block(0,0): error -6 ………………………… Kernel panic – … Continue reading →

Posted in arm, armv7, boot, compilation, fix, Hacks, kernel, Linux / ARM, radxa, Rock2, U-Boot | Tagged boot fail, ethernet driver fix, fix, radxa, rock2, rootdelay, stmicro, stmmac, success | Leave a reply

ARM – Rock2 – Kernel 4.5-rc7 Boot Success

Adventures With Linux ™ Posted on March 13, 2016 by RGMarch 13, 2016

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 started by booting into the semi-proprietary 3.10-based kernel on the SDcard, and then erasing the eMMC (dd … Continue reading →

Posted in armv7, boot, compilation, Fedora, Hacks, kernel, Linux / ARM, Rock2, rx3288, U-Boot | Tagged armv7, fedora 23, kernel 4.5-rc7, radxa, rock2, success, uboot 2016.03-rc3 | Leave a reply
Original content © Robert Gadsdon 2013
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