From: Wadim Egorov <w.egorov@phytec.de>
Date: Fri, 31 Jan 2025 09:35:30 +0000 (+0100)
Subject: arm64: dts: ti: k3-am64-phycore-som: Reserve RTOS IPC memory
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=eeab4a777eb490b9eca670379720b938226b1c79;p=users%2Fjedix%2Flinux-maple.git

arm64: dts: ti: k3-am64-phycore-som: Reserve RTOS IPC memory

Reserve a portion of memory for inter-processor communication between
all remote processors running RTOS or baremetal firmware.

Signed-off-by: Wadim Egorov <w.egorov@phytec.de>
Link: https://lore.kernel.org/r/20250131093531.1054924-1-w.egorov@phytec.de
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
---

diff --git a/arch/arm64/boot/dts/ti/k3-am64-phycore-som.dtsi b/arch/arm64/boot/dts/ti/k3-am64-phycore-som.dtsi
index 99a6fdfaa7fb8..e8d1b88651e78 100644
--- a/arch/arm64/boot/dts/ti/k3-am64-phycore-som.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am64-phycore-som.dtsi
@@ -99,6 +99,12 @@
 			reg = <0x00 0xa4100000 0x00 0xf00000>;
 			no-map;
 		};
+
+		rtos_ipc_memory_region: ipc-memories@a5000000 {
+			reg = <0x00 0xa5000000 0x00 0x00800000>;
+			alignment = <0x1000>;
+			no-map;
+		};
 	};
 
 	leds {