diff --git a/expect-post/README.md b/expect-post/README.md
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+# Post-expect scripts
+
+Post-expect scripts perform checking and validation on the captured logs
+of DUT interaction (usually, output from different UARTs). The original
+reason for introducing of this type of scripts was the fact that LAVA
+couldn't perform test matching on additional communication channels
+(e.g. other UARTs than UART0). Instead, it just records output from
+them to the logs. And post-expect scripts then can parse these logs
+and perform required validation.
+
+From the above description it should be clear that such tests are
+passive, i.e. can't inject any input into DUT. However, at the time
+of writing, TrustedFirmware worked in exactly this way: the primary
+UART could be connected to an interactive shell (Linux command line,
+etc.), where input can be accepted, while other UARTs are used for
+logging from different subsystems.
+
+Note that these tests are contained in the subdirectory named
+`expect-post`, to make that sort together with the original `expect`
+directory, to make all variants of expect scripts immediately visible.
+
+## Scripts format
+
+Post-expect scripts are just arbitrary executables (usually shell
+or Python scripts), which are passed the name of the log file they
+should check (which contain output from a particular UART). A script
+should exit with 0 status if the test was successful, and non-zero
+otherwise.
+
+Specific execution model is:
+
+For each artefacts/debug/uart<num>/run/expect file (where N is 1, 2,
+etc.) the expect script name is read from that file. In ArmCI, that
+script would be looked up in tf-a-ci-scripts/expect/ , but in
+OpenCI, it's instead looked up tf-a-ci-scripts/expect-post/ . Each
+test script is executed in Jenkins, after LAVA job finished execution,
+and its log was fetched (and split into per-UART output). A short
+summary of total number of executed post-expect scripts is printed at
+the end, together with number of failed tests. If any test is failed,
+Jenkins job is failing too.
diff --git a/expect-post/hold_uart.exp b/expect-post/hold_uart.exp
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+#!/bin/sh
+#
+# Copyright (c) 2021 Arm Limited. All rights reserved.
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+
+# Do nothing
diff --git a/expect-post/tsp.exp b/expect-post/tsp.exp
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+#!/usr/bin/env python
+#
+# Copyright (c) 2021, Linaro Limited
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+
+import sys
+
+# FIXME: At the time of writing, due to STG-2668, logs for UARTs != UART0
+# are not complete, so match fewer lines.
+#REQUIRED_NUM = 1000
+REQUIRED_NUM = 30
+
+cnt = 0
+
+with open(sys.argv[1]) as f:
+    for l in f:
+        if "TSP: cpu" in l:
+            cnt += 1
+
+if cnt >= REQUIRED_NUM:
+    sys.exit(0)
+else:
+    sys.exit(1)
diff --git a/script/expect-post-runner.sh b/script/expect-post-runner.sh
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+#!/usr/bin/env bash
+#
+# Copyright (c) 2021, Linaro Limited
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+# Runner for scripts in expect-post/ directory. This script is intended
+# to be run from Jenkins build, with $WORKSPACE set and per-UART test
+# plans prepare in artefacts/debug/run/. See expect-post/README.md for
+# more info about post-expect scripts.
+
+set -e
+
+if [ -z "$WORKSPACE" ]; then
+    echo "Error: WORKSPACE is not set. This script is intended to be run from Jenkins build. (Or suitably set up local env)."
+    exit 1
+fi
+
+total=0
+failed=0
+
+for uartdir in $WORKSPACE/artefacts/debug/run/uart*; do
+    uart=$(basename $uartdir)
+    if [ $uart == "uart0" ]; then
+        continue
+    fi
+    expscript=$(cat $uartdir/expect)
+    if [ ! -f $WORKSPACE/tf-a-ci-scripts/expect-post/$expscript ]; then
+        echo "expect-post/$expscript: MISS"
+        continue
+    fi
+    if ! $WORKSPACE/tf-a-ci-scripts/expect-post/$expscript $WORKSPACE/lava-$uart.log; then
+        echo "expect-post/$expscript($uart): FAIL"
+        failed=$((failed + 1))
+    else
+        echo "expect-post/$expscript($uart): pass"
+    fi
+    total=$((total + 1))
+done
+
+echo "Post expect scripts: total=$total failed=$failed"
+
+if [ $failed -gt 0 ]; then
+    exit 1
+fi