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@@ -0,0 +1,29 @@
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+#!/bin/sh
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+
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+if [ $# -lt 1 ]; then
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+ echo "Usage sample: check_reset_reason.sh [Action]"
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+ echo " Action: read / clear"
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+ exit 0;
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+else
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+ case $1 in
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+ read)
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+ reason=`devmem 0x44e00f08`
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+ echo "CPU reset reason register:" $reason
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+ echo "Bit[0]: Power-on (cold) reset event"
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+ echo "Bit[1]: Global warm software reset event"
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+ echo "Bit[2]: Reserved"
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+ echo "Bit[3]: Reserved"
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+ echo "Bit[4]: Watchdog1 timer reset event"
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+ echo "Bit[5]: External warm reset event"
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+ echo "Bit[6]: Reserved"
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+ echo "Bit[7]: Reserved"
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+ echo "Bit[8]: Reserved"
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+ echo "Bit[9]: IcePick reset event"
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+ ;;
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+ clear)
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+ `devmem 0x44e00f08 w 0xffffffff`
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+ echo "CPU reset reason register cleared."
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+ ;;
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+ esac
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+fi
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+
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