On Mon, Mar 16, 2015 at 4:17 PM, Joel Sherrill <joel.sherr...@oarcorp.com> wrote: > > > On 3/16/2015 2:57 PM, Yurii Shevtsov wrote: >>> On 3/16/2015 2:37 PM, Gedare Bloom wrote: >>>> On Mon, Mar 16, 2015 at 3:21 PM, Joel Sherrill >>>> <joel.sherr...@oarcorp.com> wrote: >>>>> I don't know if this has been posted or merged into the WIki. >>>>> Alan, Gedare and I were discussing this earlier today. One thing >>>>> to remember is that it is always possible something we think >>>>> is 1/2 a summer is incredibly easy so bonus tasks should be >>>>> defined for every student. In broad strokes, a possible breakdown >>>>> could be. >>>>> >>>>> + Complete GPIO/I2C/SPI integration and add SD card >>>>> support (since it uses SPI) >>>>> >>>>> + USB and Network stack based on new BSP stack >>> My understanding is that USB will need to be done first since >>> the NIC is on the other side of USB. >>> >>> https://wiki.freebsd.org/FreeBSD/arm/Raspberry%20Pi >>> >>> makes it look like both USB and the NIC could come up easy. >>> And there is the potential to leverage more code. >>>>> + Raspberry Pi 2 optimization and SMP support >>>>> Basic support is merged but the cache is clearly >>>>> not in the right state based on benchmarks and >>>>> the MMU might need initialization based on an >>>>> early report from Alan. For sure, all capabilities >>>>> that work now or begin to work on the Pi1 will >>>>> need to be checked on Pi 2. >>>>> >>>> My intuition is there needs to be extra work added beyond just >>>> fine-tuning the RPI2. >>> +1 I just don't know what that is either. :) >>>>> + User interface stack >>>>> This could include an HDMI/USB console, and perhaps a >>>>> port for the RTEMS graphics library. Obviously, you >>>>> can't use any USB devices for UI unless the USB stack >>>>> works so the USB effort would bring that up while >>>>> doing the graphics work. Then move to USB UI devices. >>>>> >>>> Avoid proposing any work that overlaps (conflict or dependent) on >>>> another. No USB UI devices should be proposed. >>> Yes. The first step of this one could be to get the Graphics Toolkit into >>> the RSB. >>> >>> Then leave USB UI devices as bonus work. >> BTW, what do you mean by USB UI device? Something like external video card? > I am primarily thinking keyboard and mouse. User interface devices. > The video should (hopefully) be usable without incorporating pure > GPL code. FreeBSD and Minix should be references there. > SPI devices may be considered.
> -- > Joel Sherrill, Ph.D. Director of Research & Development > joel.sherr...@oarcorp.com On-Line Applications Research > Ask me about RTEMS: a free RTOS Huntsville AL 35805 > Support Available (256) 722-9985 > > _______________________________________________ > devel mailing list > devel@rtems.org > http://lists.rtems.org/mailman/listinfo/devel _______________________________________________ devel mailing list devel@rtems.org http://lists.rtems.org/mailman/listinfo/devel
