Hi, ethtool can be used to check the network cable connection status and the autonegotiated link speed. That way you can make sure the port was soldered on correctly.
Regards, Manuel Am Do, 15. Apr 2021, um 10:24, schrieb Robert P. J. Day: > > for a current project (and subsequent projects), i want to define a > hardware bringup image; that is, a really basic image chock-full of > low-level utilities for debugging initial board bringup. this means > precious little unnecessary userspace crud that has no value in that > context. (at the moment, the target is aarch64 but, naturally, the > ideal image would be maximally applicable no matter the target.) > > i'm thinking of recipes that allow probing/configuration of memory > and busses and that sort of thing. off the top of my head: > > * pciutils > * usbutils > * libgpiod > * phytool (or other MDIO probe/debug tools) > * devmem2 > * spidev-test/spitools > * i2c-tools > > the list can go on and on, and i just ran across this which i had > never seen before: > > http://cgit.openembedded.org/meta-openembedded/tree/meta-oe/recipes-support/c-periphery/c-periphery_2.3.1.bb?h=master > > suggestions? i suspect numerous folks on this list have already done > something like this. > > rday > > > > >
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