mxs: add basic board runtime detection support

Signed-off-by: Michael Heimpold <mhei@heimpold.de>
Signed-off-by: Zoltan HERPAI <wigyori@uid0.hu>

SVN-Revision: 38777

2 files changed, 51 insertions, 0 deletions

diff --git a/target/linux/mxs/base-files/lib/mxs.sh b/target/linux/mxs/base-files/lib/mxs.sh
new file mode 100644
index 0000000000..ed5a527774
--- /dev/null
+++ b/target/linux/mxs/base-files/lib/mxs.sh
@@ -0,0 +1,42 @@
+#!/bin/sh
+#
+# Copyright (C) 2013 OpenWrt.org
+#
+
+MXS_BOARD_NAME=
+MXS_MODEL=
+
+mxs_board_detect() {
+	local machine
+	local name
+
+	machine=$(cat /proc/device-tree/model)
+
+	case "$machine" in
+	*"I2SE Duckbill"*)
+		name="duckbill"
+		;;
+	*"i.MX23 Olinuxino Low Cost Board")
+		name="olinuxino"
+		;;
+	esac
+
+	[ -z "$name" ] && name="unknown"
+
+	[ -z "$MXS_BOARD_NAME" ] && MXS_BOARD_NAME="$name"
+	[ -z "$MXS_MODEL" ] && MXS_MODEL="$machine"
+
+	[ -e "/tmp/sysinfo/" ] || mkdir -p "/tmp/sysinfo/"
+
+	echo "$MXS_BOARD_NAME" > /tmp/sysinfo/board_name
+	echo "$MXS_MODEL" > /tmp/sysinfo/model
+}
+
+mxs_board_name() {
+	local name
+
+	[ -f /tmp/sysinfo/board_name ] && name=$(cat /tmp/sysinfo/board_name)
+	[ -z "$name" ] && name="unknown"
+
+	echo "$name"
+}
diff --git a/target/linux/mxs/base-files/lib/preinit/03_preinit_do_mxs.sh b/target/linux/mxs/base-files/lib/preinit/03_preinit_do_mxs.sh
new file mode 100644
index 0000000000..692078d3e2
--- /dev/null
+++ b/target/linux/mxs/base-files/lib/preinit/03_preinit_do_mxs.sh
@@ -0,0 +1,9 @@
+#!/bin/sh
+
+do_mxs() {
+	. /lib/mxs.sh
+
+	mxs_board_detect
+}
+
+boot_hook_add preinit_main do_mxs