// SPDX-License-Identifier: GPL-2.0-only OR MIT /** * Device Tree Source for enabling IPC using TI SDK firmware on J721E SoCs * * Copyright (C) 2018-2025 Texas Instruments Incorporated - https://www.ti.com/ */ &reserved_memory { mcu_r5fss0_core1_dma_memory_region: memory@a1000000 { compatible = "shared-dma-pool"; reg = <0x00 0xa1000000 0x00 0x100000>; no-map; }; mcu_r5fss0_core1_memory_region: memory@a1100000 { compatible = "shared-dma-pool"; reg = <0x00 0xa1100000 0x00 0xf00000>; no-map; }; main_r5fss0_core0_dma_memory_region: memory@a2000000 { compatible = "shared-dma-pool"; reg = <0x00 0xa2000000 0x00 0x100000>; no-map; }; main_r5fss0_core0_memory_region: memory@a2100000 { compatible = "shared-dma-pool"; reg = <0x00 0xa2100000 0x00 0xf00000>; no-map; }; main_r5fss0_core1_dma_memory_region: memory@a3000000 { compatible = "shared-dma-pool"; reg = <0x00 0xa3000000 0x00 0x100000>; no-map; }; main_r5fss0_core1_memory_region: memory@a3100000 { compatible = "shared-dma-pool"; reg = <0x00 0xa3100000 0x00 0xf00000>; no-map; }; main_r5fss1_core0_dma_memory_region: memory@a4000000 { compatible = "shared-dma-pool"; reg = <0x00 0xa4000000 0x00 0x100000>; no-map; }; main_r5fss1_core0_memory_region: memory@a4100000 { compatible = "shared-dma-pool"; reg = <0x00 0xa4100000 0x00 0xf00000>; no-map; }; main_r5fss1_core1_dma_memory_region: memory@a5000000 { compatible = "shared-dma-pool"; reg = <0x00 0xa5000000 0x00 0x100000>; no-map; }; main_r5fss1_core1_memory_region: memory@a5100000 { compatible = "shared-dma-pool"; reg = <0x00 0xa5100000 0x00 0xf00000>; no-map; }; /* Carveout locations are flipped due to caching */ c66_1_dma_memory_region: memory@a6000000 { compatible = "shared-dma-pool"; reg = <0x00 0xa6000000 0x00 0x100000>; no-map; }; c66_0_memory_region: memory@a6100000 { compatible = "shared-dma-pool"; reg = <0x00 0xa6100000 0x00 0xf00000>; no-map; }; /* Carveout locations are flipped due to caching */ c66_0_dma_memory_region: memory@a7000000 { compatible = "shared-dma-pool"; reg = <0x00 0xa7000000 0x00 0x100000>; no-map; }; c66_1_memory_region: memory@a7100000 { compatible = "shared-dma-pool"; reg = <0x00 0xa7100000 0x00 0xf00000>; no-map; }; c71_0_dma_memory_region: memory@a8000000 { compatible = "shared-dma-pool"; reg = <0x00 0xa8000000 0x00 0x100000>; no-map; }; c71_0_memory_region: memory@a8100000 { compatible = "shared-dma-pool"; reg = <0x00 0xa8100000 0x00 0xf00000>; no-map; }; rtos_ipc_memory_region: memory@aa000000 { reg = <0x00 0xaa000000 0x00 0x01c00000>; alignment = <0x1000>; no-map; }; }; &mailbox0_cluster0 { status = "okay"; interrupts = <436>; mbox_mcu_r5fss0_core0: mbox-mcu-r5fss0-core0 { ti,mbox-rx = <0 0 0>; ti,mbox-tx = <1 0 0>; }; mbox_mcu_r5fss0_core1: mbox-mcu-r5fss0-core1 { ti,mbox-rx = <2 0 0>; ti,mbox-tx = <3 0 0>; }; }; &mailbox0_cluster1 { status = "okay"; interrupts = <432>; mbox_main_r5fss0_core0: mbox-main-r5fss0-core0 { ti,mbox-rx = <0 0 0>; ti,mbox-tx = <1 0 0>; }; mbox_main_r5fss0_core1: mbox-main-r5fss0-core1 { ti,mbox-rx = <2 0 0>; ti,mbox-tx = <3 0 0>; }; }; &mailbox0_cluster2 { status = "okay"; interrupts = <428>; mbox_main_r5fss1_core0: mbox-main-r5fss1-core0 { ti,mbox-rx = <0 0 0>; ti,mbox-tx = <1 0 0>; }; mbox_main_r5fss1_core1: mbox-main-r5fss1-core1 { ti,mbox-rx = <2 0 0>; ti,mbox-tx = <3 0 0>; }; }; &mailbox0_cluster3 { status = "okay"; interrupts = <424>; mbox_c66_0: mbox-c66-0 { ti,mbox-rx = <0 0 0>; ti,mbox-tx = <1 0 0>; }; mbox_c66_1: mbox-c66-1 { ti,mbox-rx = <2 0 0>; ti,mbox-tx = <3 0 0>; }; }; &mailbox0_cluster4 { status = "okay"; interrupts = <420>; mbox_c71_0: mbox-c71-0 { ti,mbox-rx = <0 0 0>; ti,mbox-tx = <1 0 0>; }; }; /* Timers are used by Remoteproc firmware */ &main_timer0 { status = "reserved"; }; &main_timer1 { status = "reserved"; }; &main_timer2 { status = "reserved"; }; &main_timer12 { status = "reserved"; }; &main_timer13 { status = "reserved"; }; &main_timer14 { status = "reserved"; }; &main_timer15 { status = "reserved"; }; &mcu_r5fss0 { status = "okay"; }; &mcu_r5fss0_core0 { status = "okay"; mboxes = <&mailbox0_cluster0 &mbox_mcu_r5fss0_core0>; memory-region = <&mcu_r5fss0_core0_dma_memory_region>, <&mcu_r5fss0_core0_memory_region>; }; &mcu_r5fss0_core1 { status = "okay"; mboxes = <&mailbox0_cluster0 &mbox_mcu_r5fss0_core1>; memory-region = <&mcu_r5fss0_core1_dma_memory_region>, <&mcu_r5fss0_core1_memory_region>; }; &main_r5fss0 { status = "okay"; ti,cluster-mode = <0>; }; &main_r5fss0_core0 { status = "okay"; mboxes = <&mailbox0_cluster1 &mbox_main_r5fss0_core0>; memory-region = <&main_r5fss0_core0_dma_memory_region>, <&main_r5fss0_core0_memory_region>; }; &main_r5fss0_core1 { status = "okay"; mboxes = <&mailbox0_cluster1 &mbox_main_r5fss0_core1>; memory-region = <&main_r5fss0_core1_dma_memory_region>, <&main_r5fss0_core1_memory_region>; }; &main_r5fss1 { status = "okay"; ti,cluster-mode = <0>; }; &main_r5fss1_core0 { status = "okay"; mboxes = <&mailbox0_cluster2 &mbox_main_r5fss1_core0>; memory-region = <&main_r5fss1_core0_dma_memory_region>, <&main_r5fss1_core0_memory_region>; }; &main_r5fss1_core1 { status = "okay"; mboxes = <&mailbox0_cluster2 &mbox_main_r5fss1_core1>; memory-region = <&main_r5fss1_core1_dma_memory_region>, <&main_r5fss1_core1_memory_region>; }; &c66_0 { status = "okay"; mboxes = <&mailbox0_cluster3 &mbox_c66_0>; memory-region = <&c66_0_dma_memory_region>, <&c66_0_memory_region>; }; &c66_1 { status = "okay"; mboxes = <&mailbox0_cluster3 &mbox_c66_1>; memory-region = <&c66_1_dma_memory_region>, <&c66_1_memory_region>; }; &c71_0 { status = "okay"; mboxes = <&mailbox0_cluster4 &mbox_c71_0>; memory-region = <&c71_0_dma_memory_region>, <&c71_0_memory_region>; };