Merge branch 'next'

Signed-off-by: Tom Rini <trini@konsulko.com>

1 files changed, 42 insertions, 0 deletions

diff --git a/scripts/check-of.sh b/scripts/check-of.sh
new file mode 100755
index 0000000000..0f0bf51664
--- /dev/null
+++ b/scripts/check-of.sh
@@ -0,0 +1,42 @@
+#!/bin/sh
+# Copyright 2021 Google LLC
+# Written by Simon Glass <sjg@chromium.org>
+#
+# Check that the .config file provided does not try to disable OF_BOARD for
+# boards that use CONFIG_OF_HAS_PRIOR_STAGE
+#
+# Usage
+#    check-of.sh <path to .config> <path to allowlist file>
+#
+# For example:
+#   scripts/check-of.sh b/chromebook_link/u-boot.cfg kconfig_allowlist.txt
+#
+# Exit code is 0 if OK, 3 if the .config is wrong, as above
+
+set -e
+set -u
+
+PROG_NAME="${0##*/}"
+
+usage() {
+	echo "$PROG_NAME <path to .config> <path to allowlist file>"
+	exit 1
+}
+
+[ $# -ge 2 ] || usage
+
+path="$1"
+allowlist="$2"
+
+sys_config="$(sed -n 's/CONFIG_SYS_CONFIG_NAME="\(.*\)"$/\1/p' "${path}")"
+
+if grep -q OF_HAS_PRIOR_STAGE=y "${path}"; then
+	if ! grep -lq CONFIG_OF_BOARD=y "${path}"; then
+		echo >&2 "This board uses a prior stage to provide the device tree."
+		echo >&2 "Please enable CONFIG_OF_BOARD to ensure that it works correctly."
+		if grep -q "${sys_config}" "${allowlist}"; then
+			exit 0
+		fi
+		exit 3
+	fi
+fi