Watchdog: Support WDIOF_CARDRESET on TI AM65x platform
To have the WDIOF_CARDRESET support for the TI AM65x platform watchdog,
this patch reserves some memories, which indicate if the current boot due
to a watchdog reset.
Signed-off-by: Li Hua Qian <huaqian.li@siemens.com>
diff --git a/arch/arm/dts/k3-am65-iot2050-common.dtsi b/arch/arm/dts/k3-am65-iot2050-common.dtsi
index 65da226..b6135b8 100644
--- a/arch/arm/dts/k3-am65-iot2050-common.dtsi
+++ b/arch/arm/dts/k3-am65-iot2050-common.dtsi
@@ -64,6 +64,12 @@
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 0x00001000>;
+ no-map;
+ };
};
leds {
@@ -720,6 +726,11 @@
mboxes = <&mailbox0_cluster1 &mbox_mcu_r5fss0_core1>;
};
+&mcu_rti1 {
+ memory-region = <&wdt_reset_memory_region>;
+
+};
+
&icssg0_mdio {
status = "disabled";
};