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

10 files changed, 256 insertions, 7 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
diff --git a/target/linux/ar71xx/config-3.14 b/target/linux/ar71xx/config-3.14
index 6d9be23aa1..e5086afaa4 100644
--- a/target/linux/ar71xx/config-3.14
+++ b/target/linux/ar71xx/config-3.14
@@ -40,6 +40,7 @@ CONFIG_ATH79_MACH_AW_NR580=y
 CONFIG_ATH79_MACH_BHU_BXU2000N2_A=y
 CONFIG_ATH79_MACH_CAP4200AG=y
 CONFIG_ATH79_MACH_CARAMBOLA2=y
+CONFIG_ATH79_MACH_CPE510=y
 CONFIG_ATH79_MACH_DB120=y
 CONFIG_ATH79_MACH_DHP_1565_A1=y
 CONFIG_ATH79_MACH_DIR_505_A1=y
diff --git a/target/linux/ar71xx/files/arch/mips/ath79/mach-cpe510.c b/target/linux/ar71xx/files/arch/mips/ath79/mach-cpe510.c
new file mode 100644
index 0000000000..8bf5c0f622
--- /dev/null
+++ b/target/linux/ar71xx/files/arch/mips/ath79/mach-cpe510.c
@@ -0,0 +1,107 @@
+/*
+ *  TP-LINK CPE210/220/510/520 board support
+ *
+ *  Copyright (C) 2014 Matthias Schiffer <mschiffer@universe-factory.net>
+ *
+ *  This program is free software; you can redistribute it and/or modify it
+ *  under the terms of the GNU General Public License version 2 as published
+ *  by the Free Software Foundation.
+ */
+
+#include <linux/gpio.h>
+#include <linux/platform_device.h>
+
+#include <asm/mach-ath79/ath79.h>
+#include <asm/mach-ath79/ar71xx_regs.h>
+
+#include "common.h"
+#include "dev-eth.h"
+#include "dev-gpio-buttons.h"
+#include "dev-leds-gpio.h"
+#include "dev-m25p80.h"
+#include "dev-wmac.h"
+#include "machtypes.h"
+
+
+#define CPE510_GPIO_LED_LAN0	11
+#define CPE510_GPIO_LED_LAN1	12
+#define CPE510_GPIO_LED_L1	13
+#define CPE510_GPIO_LED_L2	14
+#define CPE510_GPIO_LED_L3	15
+#define CPE510_GPIO_LED_L4	16
+
+#define CPE510_GPIO_BTN_RESET	4
+
+#define CPE510_KEYS_POLL_INTERVAL	20 /* msecs */
+#define CPE510_KEYS_DEBOUNCE_INTERVAL	(3 * CPE510_KEYS_POLL_INTERVAL)
+
+
+static struct gpio_led cpe510_leds_gpio[] __initdata = {
+	{
+		.name		= "tp-link:green:lan0",
+		.gpio		= CPE510_GPIO_LED_LAN0,
+		.active_low	= 1,
+	}, {
+		.name		= "tp-link:green:lan1",
+		.gpio		= CPE510_GPIO_LED_LAN1,
+		.active_low	= 1,
+	}, {
+		.name		= "tp-link:green:link1",
+		.gpio		= CPE510_GPIO_LED_L1,
+		.active_low	= 1,
+	}, {
+		.name		= "tp-link:green:link2",
+		.gpio		= CPE510_GPIO_LED_L2,
+		.active_low	= 1,
+	}, {
+		.name		= "tp-link:green:link3",
+		.gpio		= CPE510_GPIO_LED_L3,
+		.active_low	= 1,
+	}, {
+		.name		= "tp-link:green:link4",
+		.gpio		= CPE510_GPIO_LED_L4,
+		.active_low	= 1,
+	},
+};
+
+static struct gpio_keys_button cpe510_gpio_keys[] __initdata = {
+	{
+		.desc		= "Reset button",
+		.type		= EV_KEY,
+		.code		= KEY_RESTART,
+		.debounce_interval = CPE510_KEYS_DEBOUNCE_INTERVAL,
+		.gpio		= CPE510_GPIO_BTN_RESET,
+		.active_low	= 1,
+	}
+};
+
+
+static void __init cpe510_setup(void)
+{
+	u8 *mac = (u8 *) KSEG1ADDR(0x1f830008);
+	u8 *ee = (u8 *) KSEG1ADDR(0x1fff1000);
+
+	/* Disable JTAG, enabling GPIOs 0-3 */
+	/* Configure OBS4 line, for GPIO 4*/
+	ath79_gpio_function_setup(AR934X_GPIO_FUNC_JTAG_DISABLE,
+				  AR934X_GPIO_FUNC_CLK_OBS4_EN);
+
+	ath79_register_leds_gpio(-1, ARRAY_SIZE(cpe510_leds_gpio),
+				 cpe510_leds_gpio);
+
+	ath79_register_gpio_keys_polled(1, CPE510_KEYS_POLL_INTERVAL,
+					ARRAY_SIZE(cpe510_gpio_keys),
+					cpe510_gpio_keys);
+
+	ath79_register_m25p80(NULL);
+
+	ath79_register_mdio(1, 0);
+	ath79_init_mac(ath79_eth1_data.mac_addr, mac, 0);
+	ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_GMII;
+	ath79_register_eth(1);
+
+	ath79_register_wmac(ee, mac);
+}
+
+MIPS_MACHINE(ATH79_MACH_CPE510, "CPE510", "TP-LINK CPE210/220/510/520",
+	     cpe510_setup);
diff --git a/target/linux/ar71xx/generic/profiles/tp-link.mk b/target/linux/ar71xx/generic/profiles/tp-link.mk
index 78333be0b5..a9d170c754 100644
--- a/target/linux/ar71xx/generic/profiles/tp-link.mk
+++ b/target/linux/ar71xx/generic/profiles/tp-link.mk
@@ -16,6 +16,17 @@ endef
 $(eval $(call Profile,ARCHERC7))
 
 
+define Profile/CPE510
+	NAME:=TP-LINK CPE210/220/510/520
+	PACKAGES:=rssileds
+endef
+
+define Profile/CPE510/Description
+	Package set optimized for the TP-LINK CPE210/220/510/520.
+endef
+$(eval $(call Profile,CPE510))
+
+
 define Profile/TLMR10U
 	NAME:=TP-LINK TL-MR10U
 	PACKAGES:=kmod-usb-core kmod-usb2
diff --git a/target/linux/ar71xx/image/Makefile b/target/linux/ar71xx/image/Makefile
index 255713a162..1c78898d9d 100644
--- a/target/linux/ar71xx/image/Makefile
+++ b/target/linux/ar71xx/image/Makefile
@@ -276,6 +276,7 @@ cameo_ap121_mtdlayout_8M=mtdparts=spi0.0:64k(u-boot)ro,64k(art)ro,64k(mac)ro,64k
 cameo_db120_mtdlayout=mtdparts=spi0.0:64k(uboot)ro,64k(nvram)ro,15936k(firmware),192k(lang)ro,64k(mac)ro,64k(art)ro
 cameo_db120_mtdlayout_8M=mtdparts=spi0.0:64k(uboot)ro,64k(nvram)ro,7872k(firmware),128k(lang)ro,64k(art)ro
 cap4200ag_mtdlayout=mtdparts=spi0.0:256k(u-boot),64k(u-boot-env),320k(custom)ro,1536k(kernel),12096k(rootfs),2048k(failsafe),64k(art),13632k@0xa0000(firmware)
+cpe510_mtdlayout=mtdparts=spi0.0:128k(u-boot)ro,64k(pation-table)ro,64k(product-info)ro,1536k(kernel),6144k(rootfs),192k(config)ro,64k(ART)ro,7680k@0x40000(firmware)
 eap300v2_mtdlayout=mtdparts=spi0.0:256k(u-boot)ro,64k(u-boot-env),320k(custom),13632k(firmware),2048k(failsafe),64k(art)ro
 db120_mtdlayout=mtdparts=spi0.0:256k(u-boot)ro,64k(u-boot-env)ro,6336k(rootfs),1408k(kernel),64k(nvram),64k(art)ro,7744k@0x50000(firmware)
 cameo_ap94_mtdlayout=mtdparts=spi0.0:256k(uboot)ro,64k(config)ro,6208k(firmware),64k(caldata)ro,1600k(unknown)ro,64k@0x7f0000(caldata_copy)
@@ -831,6 +832,32 @@ define Image/Build/TPLINK-LZMA/initramfs
 endef
 
 
+Image/Build/TPLINK-SAFELOADER/buildkernel=$(call PatchKernelLzma,$(2),$(3) $(4))
+
+define Image/Build/TPLINK-SAFELOADER
+	-rm -rf $(KDIR)/lzma-loader
+	$(LOADER_MAKE) LOADER=loader-$(2).elf\
+		LZMA_TEXT_START=0x80a00000 LOADADDR=0x80060000 \
+		LOADER_DATA="$(KDIR_TMP)/vmlinux-$(2).bin.lzma" BOARD="$(2)" \
+		compile loader.elf
+
+	-$(STAGING_DIR_HOST)/bin/tplink-safeloader \
+		-B $(5) \
+		-k $(KDIR)/loader-$(2).elf \
+		-r $(KDIR)/root.$(1) \
+		-V $(REVISION) \
+		-j \
+		-o $(call factoryname,$(1),$(2))
+	-$(STAGING_DIR_HOST)/bin/tplink-safeloader \
+		-B $(5) \
+		-k $(KDIR)/loader-$(2).elf \
+		-r $(KDIR)/root.$(1) \
+		-V $(REVISION) \
+		-j -S \
+		-o $(call sysupname,$(1),$(2))
+endef
+
+
 define Image/Build/CyberTAN
 	echo -n '' > $(KDIR_TMP)/empty.bin
 	$(STAGING_DIR_HOST)/bin/trx -o $(KDIR)/image.tmp \
@@ -1264,6 +1291,8 @@ $(eval $(call SingleProfile,TPLINK-LZMA,64kraw,TLWDR4310V1,tl-wdr4310-v1,TL-WDR4
 $(eval $(call SingleProfile,TPLINK-LZMA,64kraw,TLWDR4900V2,tl-wdr4900-v2,TL-WDR4900-v2,ttyS0,115200,0x49000002,1,8Mlzma))
 $(eval $(call SingleProfile,TPLINK-LZMA,64kraw,MW4530RV1,mw4530r-v1,TL-WDR4300,ttyS0,115200,0x45300001,1,8Mlzma))
 
+$(eval $(call SingleProfile,TPLINK-SAFELOADER,64kraw,CPE510,cpe210-220-510-520,CPE510,ttyS0,115200,$$(cpe510_mtdlayout),CPE510))
+
 $(eval $(call SingleProfile,TPLINK-LZMA,64kraw,SMART-300,smart-300,SMART-300,ttyS0,115200,0x93410001,1,8Mlzma))
 
 $(eval $(call SingleProfile,TPLINK-LZMA,64kraw,OOLITE,oolite,GS-OOLITE,ttyATH0,115200,0x3C000101,1,16Mlzma))
diff --git a/target/linux/ar71xx/patches-3.14/610-MIPS-ath79-openwrt-machines.patch b/target/linux/ar71xx/patches-3.14/610-MIPS-ath79-openwrt-machines.patch
index 60df54cf24..4ce926806b 100644
--- a/target/linux/ar71xx/patches-3.14/610-MIPS-ath79-openwrt-machines.patch
+++ b/target/linux/ar71xx/patches-3.14/610-MIPS-ath79-openwrt-machines.patch
@@ -1,6 +1,6 @@
 --- a/arch/mips/ath79/machtypes.h
 +++ b/arch/mips/ath79/machtypes.h
-@@ -16,22 +16,144 @@
+@@ -16,22 +16,145 @@
  
  enum ath79_mach_type {
  	ATH79_MACH_GENERIC = 0,
@@ -24,6 +24,7 @@
 +	ATH79_MACH_BHU_BXU2000N2_A1,	/* BHU BXU2000n-2 A1 */
 +	ATH79_MACH_CAP4200AG,		/* Senao CAP4200AG */
 +	ATH79_MACH_CARAMBOLA2,		/* 8devices Carambola2 */
++	ATH79_MACH_CPE510,		/* TP-LINK CPE510 */
  	ATH79_MACH_DB120,		/* Atheros DB120 reference board */
  	ATH79_MACH_PB44,		/* Atheros PB44 reference board */
 +	ATH79_MACH_DIR_505_A1,		/* D-Link DIR-505 rev. A1 */
@@ -209,7 +210,7 @@
  config ATH79_MACH_AP121
  	bool "Atheros AP121 reference board"
  	select SOC_AR933X
-@@ -11,62 +66,734 @@ config ATH79_MACH_AP121
+@@ -11,62 +66,743 @@ config ATH79_MACH_AP121
  	select ATH79_DEV_M25P80
  	select ATH79_DEV_USB
  	select ATH79_DEV_WMAC
@@ -698,6 +699,15 @@
 +	select ATH79_DEV_USB
 +	select ATH79_DEV_WMAC
 +
++config ATH79_MACH_CPE510
++	bool "TP-LINK CPE510 support"
++	select SOC_AR934X
++	select ATH79_DEV_ETH
++	select ATH79_DEV_GPIO_BUTTONS
++	select ATH79_DEV_LEDS_GPIO
++	select ATH79_DEV_M25P80
++	select ATH79_DEV_WMAC
++
 +config ATH79_MACH_TL_MR11U
 +	bool "TP-LINK TL-MR11U/TL-MR3040 support"
 +	select SOC_AR933X
@@ -972,7 +982,7 @@
  
  config ATH79_MACH_UBNT_XM
  	bool "Ubiquiti Networks XM/UniFi boards"
-@@ -83,6 +810,65 @@ config ATH79_MACH_UBNT_XM
+@@ -83,6 +819,65 @@ config ATH79_MACH_UBNT_XM
  	  Say 'Y' here if you want your kernel to support the
  	  Ubiquiti Networks XM (rev 1.0) board.
  
@@ -1038,7 +1048,7 @@
  endmenu
  
  config SOC_AR71XX
-@@ -132,7 +918,10 @@ config ATH79_DEV_DSA
+@@ -132,7 +927,10 @@ config ATH79_DEV_DSA
  config ATH79_DEV_ETH
  	def_bool n
  
@@ -1050,7 +1060,7 @@
  	def_bool n
  
  config ATH79_DEV_GPIO_BUTTONS
-@@ -164,4 +953,7 @@ config ATH79_PCI_ATH9K_FIXUP
+@@ -164,4 +962,7 @@ config ATH79_PCI_ATH9K_FIXUP
  config ATH79_ROUTERBOOT
  	def_bool n
  
@@ -1060,7 +1070,7 @@
  endif
 --- a/arch/mips/ath79/Makefile
 +++ b/arch/mips/ath79/Makefile
-@@ -38,9 +38,90 @@ obj-$(CONFIG_ATH79_ROUTERBOOT)		+= route
+@@ -38,9 +38,91 @@ obj-$(CONFIG_ATH79_ROUTERBOOT)		+= route
  #
  # Machines
  #
@@ -1079,6 +1089,7 @@
 +obj-$(CONFIG_ATH79_MACH_AW_NR580)	+= mach-aw-nr580.o
 +obj-$(CONFIG_ATH79_MACH_BHU_BXU2000N2_A)+= mach-bhu-bxu2000n2-a.o
 +obj-$(CONFIG_ATH79_MACH_CAP4200AG)	+= mach-cap4200ag.o
++obj-$(CONFIG_ATH79_MACH_CPE510)		+= mach-cpe510.o
  obj-$(CONFIG_ATH79_MACH_DB120)		+= mach-db120.o
 +obj-$(CONFIG_ATH79_MACH_DIR_505_A1)	+= mach-dir-505-a1.o
 +obj-$(CONFIG_ATH79_MACH_DIR_600_A1)	+= mach-dir-600-a1.o