On Tue, Oct 12, 2010 at 4:29 AM, Nicolas Pitre <nicolas.pi...@linaro.org> wrote: > > 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.
That patch (and your comments on it) was posted a day or two after I posted a question to this list whether such a driver existed :-) -- Øyvind Harboe US toll free 1-866-980-3434 / International +47 51 63 25 00 http://www.zylin.com/zy1000.html ARM7 ARM9 ARM11 XScale Cortex JTAG debugger and flash programmer _______________________________________________ linaro-toolchain mailing list linaro-toolchain@lists.linaro.org http://lists.linaro.org/mailman/listinfo/linaro-toolchain
