at91: add Device Tree based board detection

Set up eth0 as LAN interface by default.

Signed-off-by: Florian Fainelli <florian@openwrt.org>

SVN-Revision: 46174

3 files changed, 122 insertions, 3 deletions

diff --git a/target/linux/at91/base-files/etc/uci-defaults/02_network b/target/linux/at91/base-files/etc/uci-defaults/02_network
new file mode 100755
index 0000000..5df138c
--- /dev/null
+++ b/target/linux/at91/base-files/etc/uci-defaults/02_network
@@ -0,0 +1,29 @@
+#!/bin/sh
+#
+# Copyright (C) 2014 OpenWrt.org
+#
+
+[ -e /etc/config/network ] && exit 0
+
+touch /etc/config/network
+
+. /lib/functions/uci-defaults.sh
+. /lib/at91.sh
+
+ucidef_set_interface_loopback
+
+case "$(at91_board_name)" in
+
+sama5d3_xplained)
+	ucidef_set_interfaces_lan_wan "eth0" "eth1"
+	;;
+
+*)
+	ucidef_set_interface_lan "eth0"
+	;;
+
+esac
+
+uci commit network
+
+exit 0
diff --git a/target/linux/at91/base-files/lib/at91.sh b/target/linux/at91/base-files/lib/at91.sh
new file mode 100755
index 0000000..e395646
--- /dev/null
+++ b/target/linux/at91/base-files/lib/at91.sh
@@ -0,0 +1,90 @@
+#!/bin/sh
+#
+# Copyright (C) 2014 OpenWrt.org
+#
+
+AT91_BOARD_NAME=
+AT91_MODEL=
+
+at91_board_detect() {
+	local machine
+	local name
+
+	machine=$(cat /proc/device-tree/model)
+
+	case "$machine" in
+	*"Atmel at91sam9263ek")
+		name="at91sam9263ek"
+		;;
+	*"Atmel AT91SAM9G15-EK")
+		name="at91sam9g15ek"
+		;;
+	*"Atmel at91sam9g20ek")
+		name="at91sam9g20ek"
+		;;
+	*"Atmel at91sam9g20ek 2 mmc")
+		name="at91sam9g20ek_2mmc"
+		;;
+	*"Atmel AT91SAM9G25-EK")
+		name="at91sam9g25ek"
+		;;
+	*"Atmel AT91SAM9G35-EK")
+		name="at91sam9g35ek"
+		;;
+	*"Atmel AT91SAM9M10G45-EK")
+		name="at91sam9m10g45ek"
+		;;
+	*"Atmel AT91SAM9X25-EK")
+		name="at91sam9x25ek"
+		;;
+	*"Atmel AT91SAM9X35-EK")
+		name="at91sam9x35ek"
+		;;
+	*"SAMA5D3 Xplained")
+		name="sama5d3_xplained"
+		;;
+	*"CalAmp LMU5000")
+		name="lmu5000"
+		;;
+	*"Calao TNY A9260")
+		name="tny_a9260"
+		;;
+	*"Calao TNY A9263")
+		name="tny_a9263"
+		;;
+	*"Calao TNY A9G20")
+		name="tny_a9g20"
+		;;
+	*"Calao USB A9260")
+		name="usb_a9260"
+		;;
+	*"Calao USB A9263")
+		name="usb_a9263"
+		;;
+	*"Calao USB A9G20")
+		name="usb_a9g20"
+		;;
+	*"Ethernut 5")
+		name="ethernut5"
+		;;
+	esac
+
+	[ -z "$name" ] && name="unknown"
+
+	[ -z "$AT91_BOARD_NAME" ] && AT91_BOARD_NAME="$name"
+	[ -z "$AT91_MODEL" ] && AT91_MODEL="$machine"
+
+	[ -e "/tmp/sysinfo/" ] || mkdir -p "/tmp/sysinfo/"
+
+	echo "$AT91_BOARD_NAME" > /tmp/sysinfo/board_name
+	echo "$AT91_MODEL" > /tmp/sysinfo/model
+}
+
+at91_board_name() {
+	local name
+
+	[ -f /tmp/sysinfo/board_name ] && name=$(cat /tmp/sysinfo/board_name)
+	[ -n "$name" ] || name="unknown"
+
+	echo "$name"
+}
diff --git a/target/linux/at91/base-files/lib/preinit/03_preinit_do_at91.sh b/target/linux/at91/base-files/lib/preinit/03_preinit_do_at91.sh
index 03706ff..5c98101 100644
--- a/target/linux/at91/base-files/lib/preinit/03_preinit_do_at91.sh
+++ b/target/linux/at91/base-files/lib/preinit/03_preinit_do_at91.sh
@@ -1,9 +1,9 @@
 #!/bin/sh
 
 do_at91() {
-	[ -e "/tmp/sysinfo/" ] || mkdir -p "/tmp/sysinfo/"
-	echo $(strings /proc/device-tree/compatible | head -1) > /tmp/sysinfo/board_name
-	echo $(cat /proc/device-tree/model) > /tmp/sysinfo/model
+	. /lib/at91.sh
+
+	at91_board_detect
 }
 
 boot_hook_add preinit_main do_at91