[GSoC] "RPi BSP improvement" idea separation

Gedare Bloom gedare at gwu.edu
Mon Mar 16 19:37:30 UTC 2015


On Mon, Mar 16, 2015 at 3:21 PM, Joel Sherrill
<joel.sherrill at 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
>
> + 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.

> + 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.

> --joel
>
>
> On 3/16/2015 1:59 PM, Yurii Shevtsov wrote:
>> Is there any final list of items? I have red through this thread
>> https://lists.rtems.org/pipermail/devel/2015-March/010175.html but I
>> didn't found any final list, except Joel's Sherrill suggestion
>> (https://lists.rtems.org/pipermail/devel/2015-March/010184.html).
>> Personally I would like to work on USB-related stuff since I have
>> experience in that field. Thanks in advance!
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>
> --
> Joel Sherrill, Ph.D.             Director of Research & Development
> joel.sherrill at OARcorp.com        On-Line Applications Research
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