[PATCH rtems-libbsd] aarch64/nexus: add GEM definitions for Versal

[Joel Sherrill]

Congratulations! Did you already push a tester configuration for qemu?

I'm ok with the patches getting pushed.

On Fri, Jun 25, 2021, 1:55 PM Gedare Bloom <gedare at rtems.org> wrote:

> With this patch, libbsd networking is functional with
> qemu-system-aarch64   -no-reboot -nographic -M xlnx-versal-virt -m
> 4096 -serial none -serial mon:stdio -net nic -kernel init.exe
>
> From what I gather, qemu is using the Cadence GEM for the
> xlnx-versal-virt, although the real hw uses a slightly different GEM
> IP.
>
> Passed:        31
> Failed:         3
> User Input:    19
> Expected Fail:  0
> Indeterminate:  0
> Benchmark:      0
> Timeout:        2
> Test too long:  0
> Invalid:        0
> Wrong Version:  0
> Wrong Build:    0
> Wrong Tools:    0
> -----------------
> Total:         55
> Failures:
>  ping01.exe
>  pf01.exe
>  commands01.exe
>
> commands01.exe works manually.
>
> I also confirmed with a telnet application that I can open a remote
> connection to the simulated target.
>
> On Fri, Jun 25, 2021 at 12:45 PM Gedare Bloom <gedare at rtems.org> wrote:
> >
> > ---
> >  rtemsbsd/include/bsp/nexus-devices.h           |  7 +++++++
> >  rtemsbsd/include/machine/rtems-bsd-nexus-bus.h | 11 +++++++++++
> >  2 files changed, 18 insertions(+)
> >
> > diff --git a/rtemsbsd/include/bsp/nexus-devices.h
> b/rtemsbsd/include/bsp/nexus-devices.h
> > index efe4fcb4..e6487470 100644
> > --- a/rtemsbsd/include/bsp/nexus-devices.h
> > +++ b/rtemsbsd/include/bsp/nexus-devices.h
> > @@ -115,6 +115,13 @@ RTEMS_BSD_DRIVER_E1000PHY;
> >  RTEMS_BSD_DRIVER_XILINX_ZYNQMP_CGEM0(ZYNQMP_IRQ_ETHERNET_0);
> >  RTEMS_BSD_DRIVER_E1000PHY;
> >
> > +#elif defined(LIBBSP_AARCH64_XILINX_VERSAL_BSP_H)
> > +
> > +#include <bsp/irq.h>
> > +
> > +RTEMS_BSD_DRIVER_XILINX_VERSAL_GEM0(VERSAL_IRQ_ETHERNET_0);
> > +RTEMS_BSD_DRIVER_E1000PHY;
> > +
> >  #elif defined(LIBBSP_ARM_ATSAM_BSP_H)
> >
> >  RTEMS_BSD_DRIVER_USB;
> > diff --git a/rtemsbsd/include/machine/rtems-bsd-nexus-bus.h
> b/rtemsbsd/include/machine/rtems-bsd-nexus-bus.h
> > index 5902c58c..2c013ef3 100644
> > --- a/rtemsbsd/include/machine/rtems-bsd-nexus-bus.h
> > +++ b/rtemsbsd/include/machine/rtems-bsd-nexus-bus.h
> > @@ -409,6 +409,17 @@ extern "C" {
> >    #define RTEMS_BSD_DRIVER_XILINX_ZYNQMP_CGEM3(_irq)       \
> >      RTEMS_BSD_DRIVER_XILINX_ZYNQ_CGEM(3, 0xff0e0000, _irq)
> >  #endif /* RTEMS_BSD_DRIVER_XILINX_ZYNQMP_CGEM3 */
> > +/*
> > + * Versal has a similar GEM as the CGEM. This should work for now.
> > + */
> > +#if !defined(RTEMS_BSD_DRIVER_XILINX_VERSAL_GEM0)
> > +  #define RTEMS_BSD_DRIVER_XILINX_VERSAL_GEM0(_irq)                \
> > +    RTEMS_BSD_DRIVER_XILINX_ZYNQ_GEM(0, 0xff0c0000, _irq)
> > +#endif /* RTEMS_BSD_DRIVER_XILINX_VERSAL_GEM0 */
> > +#if !defined(RTEMS_BSD_DRIVER_XILINX_VERSAL_GEM1)
> > +  #define RTEMS_BSD_DRIVER_XILINX_VERSAL_GEM1(_irq)       \
> > +    RTEMS_BSD_DRIVER_XILINX_ZYNQ_GEM(1, 0xff0d0000, _irq)
> > +#endif /* RTEMS_BSD_DRIVER_XILINX_VERSAL_GEM1 */
> >
> >  /*
> >   * Designware/Synopsys Ethernet MAC Controller.
> > --
> > 2.25.1
> >
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