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Device Tree Overlays in Linux
Fairly detailed description of Device Tree Overlays in Linux, specifically for Debian on the Raspberry Pi series, which tend to have various more-or-less random hardware attached and enabled/disabled with assorted parameters.
raspi  linux_kernel  bbb 
16 days ago by stu-rem
BeagleBoard.org - bone
Home of the Beagle Bone Black (see also BB Green - at Seeed Studio?)
bbb 
june 2018 by stu-rem
Kernel Hacking on the Beagle Bone - adafruit blog
Kernel Hacking on the Beagle Bone from adafruit industries blog http://www.adafruit.com/blog
bbb 
june 2018 by stu-rem
Getting Started with the Beagle Bone Black - YouTube
Getting Started with the Beagle Bone Black by Ben Heck
bbb 
june 2018 by stu-rem
Two point five ways to access the serial console on your Beaglebone Black | Dave Cheney
USB-serial connection to Beagle BoardBlack, using:
* A. FTDI adapter (or cable), or
* B. PL2303 cable by Prolific, or
* C. BusPirate by Dangerous Prototypes in serial pass-through mode.
bbb 
june 2018 by stu-rem
BeagleBoneBlack auto-reset until Ethernet MAC initialises correctly
BeagleBoneBlack has a hardware issue on reset where the Ethernet MAC often does not initialise correctly (due to timing and a capacitor on the reset line shared with the MCU.) Worse with power on the connector pins, not so frequent when barrel-jack or USB powered. This workaround reads the chip registers and if not correctly started, sets the RTC wakeup and powers off, then allows the RTC to re-wake the board, forcing the MAC to reset again. Repeats until successful.
bbb 
june 2018 by stu-rem
A software only solution to the vexing Beagle Bone Black PHY issue | josh.com
"Sometimes the Ethernet port on a Beagle Bone Black does not work on power up. It takes either a physical reset button press or a power cycle to fix it. This problem affects all BBB’s and until now could only be solved with hardware hacks."
BBB  ethernet 
june 2018 by clepple

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