[Xenomai] RTDM driver for Xilinx Zynq PS UART

Jeff Webb jeff.webb at nta-inc.net
Wed Jun 4 18:05:45 CEST 2014


On 05/21/2014 06:24 PM, Jeff Webb wrote:

> Has anyone written an RTDM driver for the Xilinx Zynq PS UART?

 From the lack of response, I assume the answer to this question is 'no'.  Given that, can someone please comment on what I have written below regarding the process of porting a linux serial driver to RDTM?

> If not, I assume the best way to obtain one would be to start with the
> Xilinx-provided linux driver (xilinx_uartps.c) and port it to RTDM.
> Is there a "HOWTO" or other documentation for the porting process?
> Without further direction, I was going to compare an existing pair
> of RTDM drivers (e.g. mpc52xx_uart.c and rt_mpc52xx_uart.c) to see
> what changes were made and try to do something similar for the Xilinx
> driver.  In the end, I would like to have a driver that is as
> compatible with the RTDM 16550 driver as much as possible.
>
>
> I will try to digest the information here:
>
>    http://www.xenomai.org/documentation/trunk/html/api/group__rtdm.html
>    http://www.xenomai.org/documentation/trunk/html/api/group__rtserial.html
>
> and look at the simple RTDM example here:
>
>    xenomai-2.6.3/examples/rtdm/driver-api
>
> This mailing-list thread also looks informative:
>
>    http://www.xenomai.org/pipermail/xenomai/2010-August/021220.html
>
> Any advice would be appreciated.
>
> Thanks,
>
> -Jeff
>
>
>





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