Lines Matching +full:dual +full:- +full:processor

1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/remoteproc/xlnx,zynqmp-r5fss.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Xilinx R5F processor subsystem
10   - Ben Levinsky <ben.levinsky@amd.com>
11   - Tanmay Shah <tanmay.shah@amd.com>
14   The Xilinx platforms include a pair of Cortex-R5F processors (RPU) for
15   real-time processing based on the Cortex-R5F processor core from ARM.
16   The Cortex-R5F processor implements the Arm v7-R architecture and includes a
17   floating-point unit that implements the Arm VFPv3 instruction set.
21     const: xlnx,zynqmp-r5fss
23   xlnx,cluster-mode:
27       The RPU MPCore can operate in split mode (Dual-processor performance), Safety
28       lock-step mode(Both RPU cores execute the same code in lock-step,
29       clock-for-clock) or Single CPU mode (RPU core 0 is held in reset while
30       core 1 runs normally). The processor does not support dynamic configuration.
31       Switching between modes is only permitted immediately after a processor reset.
40   "^r5f-[a-f0-9]+$":
43       The RPU is located in the Low Power Domain of the Processor Subsystem.
44       Each processor includes separate L1 instruction and data caches and
46       memory space is non-cacheable.
50       per processor. In lock-step mode, the processor has access to 256KB of
55         const: xlnx,zynqmp-r5f
57       power-domains:
63           - description: mailbox channel to send data to RPU
64           - description: mailbox channel to receive data from RPU
66       mbox-names:
69           - const: tx
70           - const: rx
73         $ref: /schemas/types.yaml#/definitions/phandle-array
79           phandles to one or more reserved on-chip SRAM regions. Other than TCM,
87       memory-region:
91           the remote processor (e.g. remoteproc firmware and carveouts, rpmsg
96           - description: region used for RPU firmware image section
97           - description: vdev buffer
98           - description: vring0
99           - description: vring1
103       - compatible
104       - power-domains
109   - compatible
114   - |
116         compatible = "xlnx,zynqmp-r5fss";
117         xlnx,cluster-mode = <1>;
119         r5f-0 {
120             compatible = "xlnx,zynqmp-r5f";
121             power-domains = <&zynqmp_firmware 0x7>;
122             memory-region = <&rproc_0_fw_image>, <&rpu0vdev0buffer>, <&rpu0vdev0vring0>, <&rpu0vdev0vring1>;
124             mbox-names = "tx", "rx";
127         r5f-1 {
128             compatible = "xlnx,zynqmp-r5f";
129             power-domains = <&zynqmp_firmware 0x8>;
130             memory-region = <&rproc_1_fw_image>, <&rpu1vdev0buffer>, <&rpu1vdev0vring0>, <&rpu1vdev0vring1>;
132             mbox-names = "tx", "rx";