bsps/xilinx-zynqmp : Add BSP for RPU

[Chris Johns]

On 15/6/2023 6:16 pm, Philip Kirkpatrick wrote:
> Thanks for all the good feedback.
> 
> RE Joel:
> I'll fix my sloppy formatting that you caught and submit a revised patch.  If
> I'm realistic about my schedule, I probably won't be able to get to it until
> next week.
> For xttcps_hw.h, there already is one #ifndef __rtems__ around the #includes,
> but on review there is another spot where I got lazy and used a #if 0.  I'll
> correct that too.  Other than that, the file is unmodified.
> 
> On the discussion about a shared space, I'll leave that decision up to you. 
> Tell me what you want and I can adjust as needed, or it could be done in a
> follow-on patch.

Should the RPU BSP be located under bsps/arm/xilinx-rpu?

> For the Versal, I've never used that part and am not very familiar with it, but
> the feedback from Aaron makes it sound like the core is probably pretty
> similar.  One other possible difference would be in the timers but it does look
> like the Versal has the same TTCs.  There just may be a small bit of work to set
> up the clock input to it.

We would handle the Versal once the BSP has a home.

Chris