From f1fddbc36ba789efe9b47ca92b97d963214c0326 Mon Sep 17 00:00:00 2001
From: Zoltan Herpai <wigyori@uid0.hu>
Date: Tue, 12 Nov 2013 10:19:26 +0000
Subject: [PATCH] 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
---
 target/linux/mxs/base-files/etc/diag.sh       | 35 ++++++++++++++++
 .../base-files/etc/uci-defaults/02_network    | 23 ++++++++++
 target/linux/mxs/base-files/lib/mxs.sh        | 42 +++++++++++++++++++
 .../lib/preinit/03_preinit_do_mxs.sh          |  9 ++++
 4 files changed, 109 insertions(+)
 create mode 100644 target/linux/mxs/base-files/etc/diag.sh
 create mode 100644 target/linux/mxs/base-files/etc/uci-defaults/02_network
 create mode 100644 target/linux/mxs/base-files/lib/mxs.sh
 create mode 100644 target/linux/mxs/base-files/lib/preinit/03_preinit_do_mxs.sh

diff --git a/target/linux/mxs/base-files/etc/diag.sh b/target/linux/mxs/base-files/etc/diag.sh
new file mode 100644
index 0000000000..e48fa96af6
--- /dev/null
+++ b/target/linux/mxs/base-files/etc/diag.sh
@@ -0,0 +1,35 @@
+#!/bin/sh
+# Copyright (C) 2013 OpenWrt.org
+
+. /lib/functions/leds.sh
+. /lib/mxs.sh
+
+get_status_led() {
+	case $(mxs_board_name) in
+	duckbill)
+		status_led="duckbill:green:status"
+		;;
+	olinuxino)
+		status_led="green"
+		;;
+	*)
+		status_led=$(cd /sys/class/leds && ls -1 *:status 2> /dev/null | head -n 1)
+		;;
+	esac
+}
+
+set_state() {
+	get_status_led
+
+	case "$1" in
+	preinit)
+		status_led_blink_preinit
+		;;
+	failsafe)
+		status_led_blink_failsafe
+		;;
+	done)
+		status_led_on
+		;;
+	esac
+}
diff --git a/target/linux/mxs/base-files/etc/uci-defaults/02_network b/target/linux/mxs/base-files/etc/uci-defaults/02_network
new file mode 100644
index 0000000000..246cd893c8
--- /dev/null
+++ b/target/linux/mxs/base-files/etc/uci-defaults/02_network
@@ -0,0 +1,23 @@
+#!/bin/sh
+# Copyright (C) 2013 OpenWrt.org
+
+[ -e /etc/config/network ] && exit 0
+
+touch /etc/config/network
+
+. /lib/functions/uci-defaults.sh
+. /lib/mxs.sh
+
+ucidef_set_interface_loopback
+
+board=$(mxs_board_name)
+
+case "$board" in
+*)
+	ucidef_set_interface_lan 'eth0'
+	;;
+esac
+
+uci commit network
+
+exit 0
diff --git a/target/linux/mxs/base-files/lib/mxs.sh b/target/linux/mxs/base-files/lib/mxs.sh
new file mode 100644
index 0000000000..ed5a527774
--- /dev/null
+++ b/target/linux/mxs/base-files/lib/mxs.sh
@@ -0,0 +1,42 @@
+#!/bin/sh
+#
+# Copyright (C) 2013 OpenWrt.org
+#
+
+MXS_BOARD_NAME=
+MXS_MODEL=
+
+mxs_board_detect() {
+	local machine
+	local name
+
+	machine=$(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