| /* |
| * Copyright 2024 NXP |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| #include <zephyr/dt-bindings/ipc_service/static_vrings.h> |
| #include <zephyr/dt-bindings/memory-attr/memory-attr-arm.h> |
| |
| / { |
| chosen { |
| /* Delete ipc chosen property where old IPM mailbox driver bellow is |
| * configured. |
| */ |
| /delete-property/ zephyr,ipc; |
| /delete-property/ zephyr,ipc_shm; |
| }; |
| |
| /* Define memory regions for IPC |
| * Note that shared memory must have specific MPU attributes set. |
| */ |
| sram4_ipc0: memory@20040000{ |
| compatible = "zephyr,memory-region", "mmio-sram"; |
| reg = <0x20040000 DT_SIZE_K(8)>; |
| zephyr,memory-region="SRAM4_IPC0"; |
| zephyr,memory-attr = <( DT_MEM_ARM(ATTR_MPU_IO))>; |
| }; |
| |
| sram4_ipc1: memory@20042000{ |
| compatible = "zephyr,memory-region", "mmio-sram"; |
| reg = <0x20042000 DT_SIZE_K(8)>; |
| zephyr,memory-region="SRAM4_IPC1"; |
| zephyr,memory-attr = <( DT_MEM_ARM(ATTR_MPU_IO))>; |
| }; |
| |
| soc { |
| /* Delete IPM Driver node nxp,lpc-mailbox */ |
| /delete-node/ mailbox@8b000; |
| |
| /* Attach MBOX driver to Mailbox Unit */ |
| mbox:mailbox0@5008b000 { |
| compatible = "nxp,mbox-mailbox"; |
| reg = <0x5008b000 0xEC>; |
| interrupts = <31 0>; |
| rx-channels = <4>; |
| #mbox-cells = <1>; |
| status = "okay"; |
| }; |
| }; |
| |
| ipc { |
| /delete-node/ ipc0; |
| |
| ipc0: ipc0 { |
| compatible = "zephyr,ipc-openamp-static-vrings"; |
| memory-region = <&sram4_ipc0>; |
| mboxes = <&mbox 0>, <&mbox 1>; |
| mbox-names = "rx", "tx"; |
| role = "remote"; |
| status = "okay"; |
| }; |
| |
| ipc1: ipc1 { |
| compatible = "zephyr,ipc-openamp-static-vrings"; |
| memory-region = <&sram4_ipc1>; |
| mboxes = <&mbox 2>, <&mbox 3>; |
| mbox-names = "rx", "tx"; |
| role = "remote"; |
| zephyr,priority = <1 PRIO_COOP>; |
| zephyr,buffer-size = <128>; |
| status = "okay"; |
| }; |
| }; |
| }; |
