ar71xx: add support for TP-LINK CPE210/220/510/520

This adds support for the TP-LINK CPE210/220/510/520 (Pharos series). These
devices are very similar to the Ubiquiti NanoStations, but with better specs:
faster CPU, more RAM, 2x2 MIMO.

Signed-off-by: Matthias Schiffer <mschiffer@universe-factory.net>

SVN-Revision: 43385

5 files changed, 91 insertions, 1 deletions

diff --git a/target/linux/ar71xx/base-files/etc/diag.sh b/target/linux/ar71xx/base-files/etc/diag.sh
index 5c1d92f4aa..e39a2b9312 100755
--- a/target/linux/ar71xx/base-files/etc/diag.sh
+++ b/target/linux/ar71xx/base-files/etc/diag.sh
@@ -43,6 +43,9 @@ get_status_led() {
 	cap4200ag)
 		status_led="senao:green:pwr"
 		;;
+	cpe510)
+		status_led="tp-link:green:link4"
+		;;
 	db120)
 		status_led="db120:green:status"
 		;;
diff --git a/target/linux/ar71xx/base-files/etc/uci-defaults/01_leds b/target/linux/ar71xx/base-files/etc/uci-defaults/01_leds
index 4216071349..c6ecde5946 100755
--- a/target/linux/ar71xx/base-files/etc/uci-defaults/01_leds
+++ b/target/linux/ar71xx/base-files/etc/uci-defaults/01_leds
@@ -62,6 +62,16 @@ carambola2)
 	ucidef_set_led_wlan "wlan" "WLAN" "carambola2:green:wlan" "phy0tpt"
 	;;
 
+cpe510)
+	ucidef_set_led_switch "lan0" "LAN0" "tp-link:green:lan0" "switch0" "0x20"
+	ucidef_set_led_switch "lan1" "LAN1" "tp-link:green:lan1" "switch0" "0x10"
+	ucidef_set_rssimon "wlan0" "40000" "1"
+	ucidef_set_led_rssi "rssilow" "RSSILOW" "tp-link:green:link1" "wlan0" "1" "100" "0" "13"
+	ucidef_set_led_rssi "rssimediumlow" "RSSIMEDIUMLOW" "tp-link:green:link2" "wlan0" "26" "100" "-25" "13"
+	ucidef_set_led_rssi "rssimediumhigh" "RSSIMEDIUMHIGH" "tp-link:green:link3" "wlan0" "51" "100" "-50" "13"
+	ucidef_set_led_rssi "rssihigh" "RSSIHIGH" "tp-link:green:link4" "wlan0" "76" "100" "-75" "13"
+	;;
+
 db120)
 	ucidef_set_led_usbdev "usb" "USB" "db120:green:usb" "1-1"
 	;;
diff --git a/target/linux/ar71xx/base-files/etc/uci-defaults/02_network b/target/linux/ar71xx/base-files/etc/uci-defaults/02_network
index 872db67d9a..3287e6ce12 100755
--- a/target/linux/ar71xx/base-files/etc/uci-defaults/02_network
+++ b/target/linux/ar71xx/base-files/etc/uci-defaults/02_network
@@ -63,6 +63,13 @@ tl-wdr4900-v2)
 	ucidef_add_switch_vlan "switch0" "2" "1 6"
 	;;
 
+cpe510)
+	ucidef_set_interfaces_lan_wan "eth0.1" "eth0.2"
+	ucidef_add_switch "switch0" "1" "1"
+	ucidef_add_switch_vlan "switch0" "1" "0t 5"
+	ucidef_add_switch_vlan "switch0" "2" "0t 4"
+	;;
+
 db120 |\
 rb-2011l | \
 rb-2011uas |\
diff --git a/target/linux/ar71xx/base-files/lib/ar71xx.sh b/target/linux/ar71xx/base-files/lib/ar71xx.sh
index 8dde6ef707..a802258817 100755
--- a/target/linux/ar71xx/base-files/lib/ar71xx.sh
+++ b/target/linux/ar71xx/base-files/lib/ar71xx.sh
@@ -229,6 +229,39 @@ tplink_board_detect() {
 	AR71XX_MODEL="$model $hwver"
 }
 
+tplink_pharos_get_model_string() {
+	local part
+	part=$(find_mtd_part 'product-info')
+	[ -z "$part" ] && return 1
+
+	# The returned string will end with \r\n, but we don't remove it here
+	# to simplify matching against it in the sysupgrade image check
+	dd if=$part bs=1 skip=4360 2>/dev/null | head -n 1
+}
+
+tplink_pharos_board_detect() {
+	local model_string="$(tplink_pharos_get_model_string | tr -d '\r')"
+	local oIFS="$IFS"; IFS=":"; set -- $model_string; IFS="$oIFS"
+	local model
+
+	case "$1" in
+	'CPE210(TP-LINK|UN|N300-2)')
+		model='TP-Link CPE210'
+		;;
+	'CPE220(TP-LINK|UN|N300-2)')
+		model='TP-Link CPE220'
+		;;
+	'CPE510(TP-LINK|UN|N300-5)')
+		model='TP-Link CPE510'
+		;;
+	'CPE520(TP-LINK|UN|N300-5)')
+		model='TP-Link CPE520'
+		;;
+	esac
+
+	[ -n "$model" ] && AR71XX_MODEL="$model v$2"
+}
+
 ar71xx_board_detect() {
 	local machine
 	local name
@@ -302,6 +335,10 @@ ar71xx_board_detect() {
 	*CAP4200AG)
 		name="cap4200ag"
 		;;
+	*"CPE210/220/510/520")
+		name="cpe510"
+		tplink_pharos_board_detect
+		;;
 	*"DB120 reference board")
 		name="db120"
 		;;
@@ -775,7 +812,8 @@ ar71xx_board_detect() {
 		;;
 	esac
 
-	[ "${machine:0:8}" = 'TP-LINK ' ] && tplink_board_detect "$machine"
+	[ -z "$AR71XX_MODEL" ] && [ "${machine:0:8}" = 'TP-LINK ' ] && \
+		tplink_board_detect "$machine"
 
 	[ -z "$name" ] && name="unknown"
 
diff --git a/target/linux/ar71xx/base-files/lib/upgrade/platform.sh b/target/linux/ar71xx/base-files/lib/upgrade/platform.sh
index 598b33e79e..6a85d01df3 100755
--- a/target/linux/ar71xx/base-files/lib/upgrade/platform.sh
+++ b/target/linux/ar71xx/base-files/lib/upgrade/platform.sh
@@ -70,6 +70,33 @@ tplink_get_image_boot_size() {
 	get_image "$@" | dd bs=4 count=1 skip=37 2>/dev/null | hexdump -v -n 4 -e '1/1 "%02x"'
 }
 
+tplink_pharos_check_image() {
+	local magic_long="$(get_magic_long "$1")"
+	[ "$magic_long" != "7f454c46" ] && {
+		echo "Invalid image magic '$magic_long'"
+		return 1
+	}
+
+	local model_string="$(tplink_pharos_get_model_string)"
+	local line
+
+	# Here $1 is given to dd directly instead of get_image as otherwise the skip
+	# will take almost a second (as dd can't seek then)
+	#
+	# This will fail if the image isn't local, but that's fine: as the
+	# read loop won't be executed at all, it will return true, so the image
+	# is accepted (loading the first 1.5M of a remote image for this check seems
+	# a bit extreme)
+	dd if="$1" bs=1 skip=1511432 count=1024 2>/dev/null | while read line; do
+		[ "$line" == "$model_string" ] && break
+	done || {
+		echo "Unsupported image (model not in support-list)"
+		return 1
+	}
+
+	return 0
+}
+
 seama_get_type_magic() {
 	get_image "$@" | dd bs=1 count=4 skip=53 2>/dev/null | hexdump -v -n 4 -e '1/1 "%02x"'
 }
@@ -217,6 +244,11 @@ platform_check_image() {
 		return 0
 		;;
 
+	cpe510)
+		tplink_pharos_check_image "$1" && return 0
+		return 1
+		;;
+
 	dir-825-b1 | \
 	tew-673gru)
 		dir825b_check_image "$1" && return 0