On Tue, 12 Oct 2010, Michael Hope wrote: > Ah, I see. You use the JTAG unit and on-chip debug hardware for the > kernel and use the JTAG-supplied DCC connection for applications. So > you can use the DCC instead of Ethernet or serial, which is nice as it > frees up a port. > > You might want to ask linaro-...@lists about this and see if any of > the kernel guys know about kernel support. A quick poke about shows > that you can send the kernel's printf() style debug messages through > it but little else.
Some patches were posted by Daniel Walker recently to expose the DCC as a true Linux serial port, and not only a debug channel for early printk's as it is right now. Nicolas _______________________________________________ linaro-toolchain mailing list linaro-toolchain@lists.linaro.org http://lists.linaro.org/mailman/listinfo/linaro-toolchain