Commit 14a65ea5 authored by Li Hua Qian's avatar Li Hua Qian Committed by Vignesh Raghavendra
Browse files

arm64: dts: ti: Add reserved memory for watchdog 



This patch adds a reserved memory for the TI AM65X platform watchdog
to reserve the specific info, triggering the watchdog reset in last
boot, to know if the board reboot is due to a watchdog reset.

Signed-off-by: default avatarLi Hua Qian <huaqian.li@siemens.com>
Link: https://lore.kernel.org/r/20240117060654.109424-1-huaqian.li@siemens.com


Signed-off-by: default avatarVignesh Raghavendra <vigneshr@ti.com>
parent 2f277dbe

arch/arm64/boot/dts/ti/k3-am65-iot2050-common.dtsi

+10 −0
Original line number Diff line number Diff line
@@ -76,6 +76,12 @@ rtos_ipc_memory_region: ipc-memories@a2000000 { 
			alignment = <0x1000>;

			no-map;

		};



		/* To reserve the power-on(PON) reason for watchdog reset */

		wdt_reset_memory_region: wdt-memory@a2200000 {

			reg = <0x00 0xa2200000 0x00 0x1000>;

			no-map;

		};

	};



	leds {
@@ -608,6 +614,10 @@ &mcu_r5fss0_core1 { 
	mboxes = <&mailbox0_cluster1 &mbox_mcu_r5fss0_core1>;

};



&mcu_rti1 {

	memory-region = <&wdt_reset_memory_region>;

};



&icssg0_mdio {

	status = "okay";

	pinctrl-names = "default";