ar71xx: backport support for Netgear WPN824N

Add support for Netgear WPN824N.
Hardware specs:
  * AR7240, 4 LAN ports, 1 WAN port
  * AR9285 WLAN
  * 32 MB RAM
  * 4 MB Flash
  * 16 LEDs (LAN, WAN and Power/Status contain two LEDs for dual color
    effect)
  * 3 Buttons (not supported)

Signed-off-by: Hartmut Knaack <knaack.h@gmx.de>

git-svn-id: svn://svn.openwrt.org/openwrt/branches/chaos_calmer@49227 3c298f89-4303-0410-b956-a3cf2f4a3e73

11 files changed, 185 insertions, 6 deletions

diff --git a/target/linux/ar71xx/base-files/etc/diag.sh b/target/linux/ar71xx/base-files/etc/diag.sh
index 6f2bd1c290..5a184cd79b 100644
--- a/target/linux/ar71xx/base-files/etc/diag.sh
+++ b/target/linux/ar71xx/base-files/etc/diag.sh
@@ -326,7 +326,8 @@ get_status_led() {
 	wnr2000 | \
 	wnr2200 |\
 	wnr612-v2 |\
-	wnr1000-v2)
+	wnr1000-v2 |\
+	wpn824n)
 		status_led="netgear:green:power"
 		;;
 	wp543)
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 142950c252..a4b355a536 100644
--- a/target/linux/ar71xx/base-files/etc/uci-defaults/01_leds
+++ b/target/linux/ar71xx/base-files/etc/uci-defaults/01_leds
@@ -577,7 +577,25 @@ wnr2000-v4)
 	ucidef_set_led_switch "lan3" "LAN3" "netgear:amber:lan3" "switch0" "0x08"
 	ucidef_set_led_switch "lan4" "LAN4" "netgear:amber:lan4" "switch0" "0x10"
 	ucidef_set_led_usbdev "usb" "USB" "netgear:amber:status" "1-1"
-    ;;
+	;;
+
+wpn824n)
+	ucidef_set_led_netdev "wan-amber" "WAN (amber)" "netgear:amber:wan" "eth0"
+	ucidef_set_led_wlan "wlan" "WLAN" "netgear:blue:wlan" "phy0tpt"
+	ucidef_set_led_switch "lan1amber" "LAN1 (amber)" "netgear:amber:lan1" "switch0" "0x02"
+	ucidef_set_led_switch "lan2amber" "LAN2 (amber)" "netgear:amber:lan2" "switch0" "0x04"
+	ucidef_set_led_switch "lan3amber" "LAN3 (amber)" "netgear:amber:lan3" "switch0" "0x08"
+	ucidef_set_led_switch "lan4amber" "LAN4 (amber)" "netgear:amber:lan4" "switch0" "0x10"
+	ucidef_set_led_default "lan1green" "LAN1 (green)" "netgear:green:lan1" "0"
+	ucidef_set_led_default "lan2green" "LAN2 (green)" "netgear:green:lan2" "0"
+	ucidef_set_led_default "lan3green" "LAN3 (green)" "netgear:green:lan3" "0"
+	ucidef_set_led_default "lan4green" "LAN4 (green)" "netgear:green:lan4" "0"
+	ucidef_set_led_default "wan-green" "WAN (green)" "netgear:green:wan" "0"
+	ucidef_set_led_default "wps1" "WPS1" "netgear:blue:wps1" "0"
+	ucidef_set_led_default "wps2" "WPS2" "netgear:blue:wps2" "0"
+	ucidef_set_led_default "status" "STATUS" "netgear:amber:status" "0"
+	ucidef_set_led_default "test" "TEST" "netgear:amber:test" "0"
+	;;
 
 wzr-hp-ag300h)
 	ucidef_set_led_default "diag" "DIAG" "buffalo:red:diag" "0"
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 29d60da02e..b2e15bbf53 100755
--- a/target/linux/ar71xx/base-files/etc/uci-defaults/02_network
+++ b/target/linux/ar71xx/base-files/etc/uci-defaults/02_network
@@ -231,7 +231,8 @@ wnr2000-v3 |\
 wnr2000-v4 |\
 wnr2200 |\
 wnr612-v2 |\
-wnr1000-v2)
+wnr1000-v2 |\
+wpn824n)
 	ucidef_set_interfaces_lan_wan "eth1" "eth0"
 	ucidef_add_switch "switch0" "1" "1"
 	ucidef_add_switch_vlan "switch0" "1" "0 1 2 3 4"
diff --git a/target/linux/ar71xx/base-files/lib/ar71xx.sh b/target/linux/ar71xx/base-files/lib/ar71xx.sh
index 6dc975dd00..dab4d2c7c9 100755
--- a/target/linux/ar71xx/base-files/lib/ar71xx.sh
+++ b/target/linux/ar71xx/base-files/lib/ar71xx.sh
@@ -905,6 +905,9 @@ ar71xx_board_detect() {
 	*"WNR1000 V2")
 		name="wnr1000-v2"
 		;;
+	*WPN824N)
+		name="wpn824n"
+		;;
 	*WRT160NL)
 		name="wrt160nl"
 		;;
diff --git a/target/linux/ar71xx/base-files/lib/preinit/05_set_preinit_iface_ar71xx b/target/linux/ar71xx/base-files/lib/preinit/05_set_preinit_iface_ar71xx
index fd337e185b..f552453e43 100644
--- a/target/linux/ar71xx/base-files/lib/preinit/05_set_preinit_iface_ar71xx
+++ b/target/linux/ar71xx/base-files/lib/preinit/05_set_preinit_iface_ar71xx
@@ -40,6 +40,7 @@ set_preinit_iface() {
 	wnr2200 |\
 	wnr612-v2 |\
 	wnr1000-v2 |\
+	wpn824n |\
 	wpe72)
 		ifname=eth1
 		;;
diff --git a/target/linux/ar71xx/base-files/lib/upgrade/platform.sh b/target/linux/ar71xx/base-files/lib/upgrade/platform.sh
index beb29b9d05..d0256328cd 100755
--- a/target/linux/ar71xx/base-files/lib/upgrade/platform.sh
+++ b/target/linux/ar71xx/base-files/lib/upgrade/platform.sh
@@ -403,7 +403,8 @@ platform_check_image() {
 	wndr3700 | \
 	wnr2000-v3 | \
 	wnr612-v2 | \
-	wnr1000-v2)
+	wnr1000-v2 | \
+	wpn824n)
 		local hw_magic
 
 		hw_magic="$(ar71xx_get_mtd_part_magic firmware)"
diff --git a/target/linux/ar71xx/files/arch/mips/ath79/mach-wnr2000-v3.c b/target/linux/ar71xx/files/arch/mips/ath79/mach-wnr2000-v3.c
index 2e14782200..205c2e7d5a 100644
--- a/target/linux/ar71xx/files/arch/mips/ath79/mach-wnr2000-v3.c
+++ b/target/linux/ar71xx/files/arch/mips/ath79/mach-wnr2000-v3.c
@@ -1,7 +1,8 @@
 /*
- *  NETGEAR WNR2000v3/WNR612v2/WNR1000v2 board support
+ *  NETGEAR WNR2000v3/WNR612v2/WNR1000v2/WPN824N board support
  *
- *  Copytight (C) 2013 Mathieu Olivari <mathieu.olivari@gmail.com>
+ *  Copyright (C) 2015 Hartmut Knaack <knaack.h@gmx.de>
+ *  Copyright (C) 2013 Mathieu Olivari <mathieu.olivari@gmail.com>
  *  Copyright (C) 2008-2009 Gabor Juhos <juhosg@openwrt.org>
  *  Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
  *  Copyright (C) 2008-2009 Andy Boyett <agb@openwrt.org>
@@ -15,6 +16,8 @@
 #include <linux/mtd/partitions.h>
 
 #include <asm/mach-ath79/ath79.h>
+#include <asm/mach-ath79/ar71xx_regs.h> /* needed to disable switch LEDs */
+#include "common.h" /* needed to disable switch LEDs */
 
 #include "dev-ap9x-pci.h"
 #include "dev-eth.h"
@@ -34,6 +37,29 @@
 #define WNR1000V2_GPIO_LED_PWR_AMBER	1
 #define WNR1000V2_GPIO_LED_PWR_GREEN	11
 
+/* Connected through AR7240 */
+#define WPN824N_GPIO_LED_WAN_AMBER	0
+#define WPN824N_GPIO_LED_STATUS_AMBER	1
+#define WPN824N_GPIO_LED_LAN1_AMBER	6 /* AR724X_GPIO_FUNC_JTAG_DISABLE */
+#define WPN824N_GPIO_LED_LAN2_AMBER	7 /* AR724X_GPIO_FUNC_JTAG_DISABLE */
+#define WPN824N_GPIO_LED_LAN3_AMBER	8 /* AR724X_GPIO_FUNC_JTAG_DISABLE */
+#define WPN824N_GPIO_LED_LAN4_AMBER	12
+#define WPN824N_GPIO_LED_LAN1_GREEN	13
+#define WPN824N_GPIO_LED_LAN2_GREEN	14
+#define WPN824N_GPIO_LED_LAN3_GREEN	15 /* AR724X_GPIO_FUNC_CLK_OBS3_EN */
+#define WPN824N_GPIO_LED_LAN4_GREEN	16
+#define WPN824N_GPIO_LED_WAN_GREEN	17
+
+/* Connected through AR9285 */
+#define WPN824N_WGPIO_LED_PWR_GREEN	0
+#define WPN824N_WGPIO_LED_WLAN_BLUE	1
+#define WPN824N_WGPIO_LED_WPS1_BLUE	5
+#define WPN824N_WGPIO_LED_WPS2_BLUE	9
+#define WPN824N_WGPIO_LED_TEST_AMBER	10
+#define WPN824N_WGPIO_BTN_PUSH		6	/* currently unused */
+#define WPN824N_WGPIO_BTN_RESET		7	/* currently unused */
+#define WPN824N_WGPIO_BTN_WLAN		8	/* currently unused */
+
 #define WNR2000V3_KEYS_POLL_INTERVAL	20	/* msecs */
 #define WNR2000V3_KEYS_DEBOUNCE_INTERVAL	(3 * WNR2000V3_KEYS_POLL_INTERVAL)
 
@@ -73,6 +99,78 @@ static struct gpio_led wnr1000v2_leds_gpio[] __initdata = {
 	}
 };
 
+static struct gpio_led wpn824n_leds_gpio[] __initdata = {
+	{
+		.name		= "netgear:amber:wan",
+		.gpio		= WPN824N_GPIO_LED_WAN_AMBER,
+		.active_low	= 1,
+	}, {
+		.name		= "netgear:amber:status",
+		.gpio		= WPN824N_GPIO_LED_STATUS_AMBER,
+		.active_low	= 1,
+	}, {
+		.name		= "netgear:amber:lan1",
+		.gpio		= WPN824N_GPIO_LED_LAN1_AMBER,
+		.active_low	= 1,
+	}, {
+		.name		= "netgear:amber:lan2",
+		.gpio		= WPN824N_GPIO_LED_LAN2_AMBER,
+		.active_low	= 1,
+	}, {
+		.name		= "netgear:amber:lan3",
+		.gpio		= WPN824N_GPIO_LED_LAN3_AMBER,
+		.active_low	= 1,
+	}, {
+		.name		= "netgear:amber:lan4",
+		.gpio		= WPN824N_GPIO_LED_LAN4_AMBER,
+		.active_low	= 1,
+	}, {
+		.name		= "netgear:green:lan1",
+		.gpio		= WPN824N_GPIO_LED_LAN1_GREEN,
+		.active_low	= 1,
+	}, {
+		.name		= "netgear:green:lan2",
+		.gpio		= WPN824N_GPIO_LED_LAN2_GREEN,
+		.active_low	= 1,
+	}, {
+		.name		= "netgear:green:lan3",
+		.gpio		= WPN824N_GPIO_LED_LAN3_GREEN,
+		.active_low	= 1,
+	}, {
+		.name		= "netgear:green:lan4",
+		.gpio		= WPN824N_GPIO_LED_LAN4_GREEN,
+		.active_low	= 1,
+	}, {
+		.name		= "netgear:green:wan",
+		.gpio		= WPN824N_GPIO_LED_WAN_GREEN,
+		.active_low	= 1,
+	}
+};
+
+static struct gpio_led wpn824n_wmac_leds_gpio[] = {
+	{
+		.name		= "netgear:green:power",
+		.gpio		= WPN824N_WGPIO_LED_PWR_GREEN,
+		.active_low	= 1,
+	}, {
+		.name		= "netgear:blue:wlan",
+		.gpio		= WPN824N_WGPIO_LED_WLAN_BLUE,
+		.active_low	= 1,
+	}, {
+		.name		= "netgear:blue:wps1",
+		.gpio		= WPN824N_WGPIO_LED_WPS1_BLUE,
+		.active_low	= 1,
+	}, {
+		.name		= "netgear:blue:wps2",
+		.gpio		= WPN824N_WGPIO_LED_WPS2_BLUE,
+		.active_low	= 1,
+	}, {
+		.name		= "netgear:amber:test",
+		.gpio		= WPN824N_WGPIO_LED_TEST_AMBER,
+		.active_low	= 1,
+	}
+};
+
 static struct gpio_keys_button wnr2000v3_gpio_keys[] __initdata = {
 	{
 		.desc		= "wps",
@@ -138,3 +236,25 @@ static void __init wnr1000v2_setup(void)
 }
 
 MIPS_MACHINE(ATH79_MACH_WNR1000_V2, "WNR1000V2", "NETGEAR WNR1000 V2", wnr1000v2_setup);
+
+static void __init wpn824n_setup(void)
+{
+	ath79_gpio_function_setup(AR724X_GPIO_FUNC_JTAG_DISABLE,
+				  AR724X_GPIO_FUNC_ETH_SWITCH_LED0_EN |
+				  AR724X_GPIO_FUNC_ETH_SWITCH_LED1_EN |
+				  AR724X_GPIO_FUNC_ETH_SWITCH_LED2_EN |
+				  AR724X_GPIO_FUNC_ETH_SWITCH_LED3_EN |
+				  AR724X_GPIO_FUNC_ETH_SWITCH_LED4_EN |
+				  AR724X_GPIO_FUNC_CLK_OBS3_EN);
+
+	wnr_common_setup();
+
+	ath79_register_leds_gpio(-1, ARRAY_SIZE(wpn824n_leds_gpio),
+				 wpn824n_leds_gpio);
+
+	ap9x_pci_setup_wmac_led_pin(0, WPN824N_WGPIO_LED_WLAN_BLUE);
+	ap9x_pci_setup_wmac_leds(0, wpn824n_wmac_leds_gpio,
+				 ARRAY_SIZE(wpn824n_wmac_leds_gpio));
+}
+
+MIPS_MACHINE(ATH79_MACH_WPN824N, "WPN824N", "NETGEAR WPN824N", wpn824n_setup);
diff --git a/target/linux/ar71xx/generic/profiles/netgear.mk b/target/linux/ar71xx/generic/profiles/netgear.mk
index 16b1087635..ca22a18dd5 100644
--- a/target/linux/ar71xx/generic/profiles/netgear.mk
+++ b/target/linux/ar71xx/generic/profiles/netgear.mk
@@ -82,3 +82,13 @@ define Profile/WNR2200/Description
 endef
 
 $(eval $(call Profile,WNR2200))
+
+define Profile/WPN824N
+	NAME:=NETGEAR WPN824N
+endef
+
+define Profile/WPN824N/Description
+	Package set optimized for the NETGEAR WPN824N
+endef
+
+$(eval $(call Profile,WPN824N))
diff --git a/target/linux/ar71xx/image/Makefile b/target/linux/ar71xx/image/Makefile
index 6fb375fa21..486ec3af0f 100644
--- a/target/linux/ar71xx/image/Makefile
+++ b/target/linux/ar71xx/image/Makefile
@@ -1999,6 +1999,7 @@ $(eval $(call SingleProfile,Netgear,64kraw,REALWNR612V2,wnr612v2,WNR612V2,ttyS0,
 $(eval $(call SingleProfile,Netgear,64kraw,N150R,n150r,WNR612V2,ttyS0,115200,$$(wnr2000v3_mtdlayout),0x32303631,N150R,"",))
 $(eval $(call SingleProfile,Netgear,64kraw,REALWNR1000V2,wnr1000v2,WNR1000V2,ttyS0,115200,$$(wnr2000v3_mtdlayout),0x31303031,WNR1000V2,"",))
 $(eval $(call SingleProfile,Netgear,64kraw,WNR1000V2_VC,wnr1000v2-vc,WNR1000V2,ttyS0,115200,$$(wnr2000v3_mtdlayout),0x31303030,WNR1000V2-VC,"",))
+$(eval $(call SingleProfile,Netgear,64kraw,WPN824N,wpn824n,WPN824N,ttyS0,115200,$$(wnr2000v3_mtdlayout),0x31313030,WPN824N,"" NA,))
 
 $(eval $(call SingleProfile,OpenMesh,squashfs-only,OM2P,om2p,,,,OM2P))
 $(eval $(call SingleProfile,OpenMesh,squashfs-only,OM5P,om5p,,,,OM5P))
diff --git a/target/linux/ar71xx/patches-3.18/907-MIPS-ath79-add-WPN824N.patch b/target/linux/ar71xx/patches-3.18/907-MIPS-ath79-add-WPN824N.patch
new file mode 100644
index 0000000000..2f0c964d38
--- /dev/null
+++ b/target/linux/ar71xx/patches-3.18/907-MIPS-ath79-add-WPN824N.patch
@@ -0,0 +1,21 @@
+--- a/arch/mips/ath79/Kconfig
++++ b/arch/mips/ath79/Kconfig
+@@ -741,7 +741,7 @@ config ATH79_MACH_WNR2000
+ 	select ATH79_DEV_WMAC
+ 
+ config ATH79_MACH_WNR2000_V3
+-	bool "NETGEAR WNR2000 V3/WNR612 v2/WNR1000 v2 board support"
++	bool "NETGEAR WNR2000 V3/WNR612 v2/WNR1000 v2/WPN824N board support"
+ 	select SOC_AR724X
+ 	select ATH79_DEV_AP9X_PCI if PCI
+ 	select ATH79_DEV_ETH
+--- a/arch/mips/ath79/machtypes.h
++++ b/arch/mips/ath79/machtypes.h
+@@ -204,6 +204,7 @@ enum ath79_mach_type {
+ 	ATH79_MACH_WNR2200,		/* NETGEAR WNR2200 */
+ 	ATH79_MACH_WNR612_V2,		/* NETGEAR WNR612 v2 */
+ 	ATH79_MACH_WNR1000_V2,		/* NETGEAR WNR1000 v2 */
++	ATH79_MACH_WPN824N,		/* NETGEAR WPN824N */
+ 	ATH79_MACH_WP543,		/* Compex WP543 */
+ 	ATH79_MACH_WPE72,		/* Compex WPE72 */
+ 	ATH79_MACH_WPJ344,		/* Compex WPJ344 */
diff --git a/target/linux/generic/files/drivers/mtd/mtdsplit/mtdsplit_uimage.c b/target/linux/generic/files/drivers/mtd/mtdsplit/mtdsplit_uimage.c
index 2602f98b55..b815869a6b 100644
--- a/target/linux/generic/files/drivers/mtd/mtdsplit/mtdsplit_uimage.c
+++ b/target/linux/generic/files/drivers/mtd/mtdsplit/mtdsplit_uimage.c
@@ -252,6 +252,7 @@ static struct mtd_part_parser uimage_generic_parser = {
 #define FW_MAGIC_WNR1000V2_VC	0x31303030
 #define FW_MAGIC_WNDR3700	0x33373030
 #define FW_MAGIC_WNDR3700V2	0x33373031
+#define FW_MAGIC_WPN824N	0x31313030
 
 static ssize_t uimage_verify_wndr3700(u_char *buf, size_t len)
 {
@@ -266,6 +267,7 @@ static ssize_t uimage_verify_wndr3700(u_char *buf, size_t len)
 	case FW_MAGIC_WNR2200:
 	case FW_MAGIC_WNDR3700:
 	case FW_MAGIC_WNDR3700V2:
+	case FW_MAGIC_WPN824N:
 		break;
 	case FW_MAGIC_WNR2000V4:
 		expected_type = IH_TYPE_KERNEL;