On Sat, Jul 30, 2016 at 11:04 AM, Charles Steinkuehler < [email protected]> wrote:
> On 7/29/2016 2:40 PM, Mark A. Yoder wrote: > > How do I access the PRUs' shared RAM from within a kernel driver? Is > there an > > equivalent to mmap()? > > > http://stackoverflow.com/questions/7894160/accessing-physical-memory-from-linux-kernel > > > Can you point me to some tutorials? > > Chapter 15 of LDD3: > > https://lwn.net/Kernel/LDD3/ > https://lwn.net/images/pdf/LDD3/ch15.pdf > > The BeagleLogic code probably does what you're wanting to do > (high-speed kernel mode access to the PRU): > > https://github.com/abhishek-kakkar/BeagleLogic > > -- > Charles Steinkuehler > [email protected] > DMA in my mind almost seems the way to go. But there are several key points that I'd need to understand to make that determination.But at the moment I'm imagining all kinds of cool possibilities. . . too bad I do not have the time to invest into looking into this right now. -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/CALHSORoX%3DCQ%3D7OovW4WjpEOQEp5x%3D3YJ_RZSP8fbrH_uVtK4Yg%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
