From ce4e6eb2e1aa82031d4369e7a40eacaca4691c6d Mon Sep 17 00:00:00 2001
From: John Crispin <blogic@openwrt.org>
Date: Wed, 26 Nov 2014 08:59:32 +0000
Subject: 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>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@43385 3c298f89-4303-0410-b956-a3cf2f4a3e73
---
 target/linux/ar71xx/base-files/lib/ar71xx.sh       | 40 +++++++++++++++++++++-
 .../ar71xx/base-files/lib/upgrade/platform.sh      | 32 +++++++++++++++++
 2 files changed, 71 insertions(+), 1 deletion(-)

(limited to 'target/linux/ar71xx/base-files/lib')

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
-- 
cgit v1.2.3