Reserve a portion of memory for inter-processor communication between all remote processors running RTOS or baremetal firmware. Move ramoops to lower region so the IPC fits to the correct address. Signed-off-by: Wadim Egorov <w.egorov@xxxxxxxxx> --- arch/arm64/boot/dts/ti/k3-am62-phycore-som.dtsi | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/arch/arm64/boot/dts/ti/k3-am62-phycore-som.dtsi b/arch/arm64/boot/dts/ti/k3-am62-phycore-som.dtsi index 2ef4cbaec789..4bffa8ce0410 100644 --- a/arch/arm64/boot/dts/ti/k3-am62-phycore-som.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am62-phycore-som.dtsi @@ -36,15 +36,21 @@ reserved_memory: reserved-memory { #size-cells = <2>; ranges; - ramoops@9ca00000 { + ramoops@9c700000 { compatible = "ramoops"; - reg = <0x00 0x9ca00000 0x00 0x00100000>; + reg = <0x00 0x9c700000 0x00 0x00100000>; record-size = <0x8000>; console-size = <0x8000>; ftrace-size = <0x00>; pmsg-size = <0x8000>; }; + rtos_ipc_memory_region: ipc-memories@9c800000 { + compatible = "shared-dma-pool"; + reg = <0x00 0x9c800000 0x00 0x00300000>; + no-map; + }; + mcu_m4fss_dma_memory_region: m4f-dma-memory@9cb00000 { compatible = "shared-dma-pool"; reg = <0x00 0x9cb00000 0x00 0x100000>; -- 2.34.1