On Mon, Apr 27, 2026 at 09:27:02AM -0700, Ben Levinsky wrote: > Describe an AMD BRAM-based soft-core processor subsystem instantiated in > programmable logic and using dual-port BRAM for firmware storage and > execution. > > The binding models a soft-core processor subsystem instantiated in AMD > programmable logic and using dual-port BRAM for firmware storage and > execution. The remoteproc device is represented as a child node whose > reg property describes the firmware memory window in the processor-local > address space. The parent bus node provides standard devicetree address > translation through ranges so Linux can access the same BRAM through the > system physical address space. > > A clock input feeds the soft-core processor subsystem, and an active-low > reset GPIO holds the processor in reset until firmware loading > completes. The firmware-name property is optional. > > Signed-off-by: Ben Levinsky <[email protected]> > --- > .../bindings/remoteproc/amd,bram-rproc.yaml | 98 +++++++++++++++++++ > 1 file changed, 98 insertions(+) > create mode 100644 > Documentation/devicetree/bindings/remoteproc/amd,bram-rproc.yaml > > diff --git a/Documentation/devicetree/bindings/remoteproc/amd,bram-rproc.yaml > b/Documentation/devicetree/bindings/remoteproc/amd,bram-rproc.yaml > new file mode 100644 > index 000000000000..f16657dc0d9f > --- /dev/null > +++ b/Documentation/devicetree/bindings/remoteproc/amd,bram-rproc.yaml > @@ -0,0 +1,98 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/remoteproc/amd,bram-rproc.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: AMD BRAM-based Remote Processor > + > +maintainers: > + - Ben Levinsky <[email protected]> > + > +description: | > + Soft-core processor subsystem instantiated in AMD programmable logic and > + using dual-port BRAM for firmware storage and execution.
Isn't the soft-core or FPGA still part of some Xilinx SoC? Or is this completely different thing from SoC and there is a design WITHOUT SoC using this remote proc? Best regards, Krzysztof
