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Watchdog: Support WDIOF_CARDRESET on TI AM65x platform

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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>
This commit is contained in:
Li Hua Qian 2023-08-29 11:46:21 +08:00 committed by Tom Rini
parent 7dee63facc
commit 349699235d
1 changed files with 11 additions and 0 deletions
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11
arch/arm/dts/k3-am65-iot2050-common.dtsi
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@ -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";
};