ar71xx: add kernel support for Netgear WNR2200 wireless router

This patch adds OpenWRT support for the Netgear WNR2200 (N300)
wireless router with USB.

Technical details of this router can be found at
http://www.netgear.com/home/products/wirelessrouters/work-and-play/WNR2200.aspx
and http://wikidevi.com/wiki/Netgear_WNR2200

Signed-off-by: Aidan Kissane <aidankissane@googlemail.com>
Signed-off-by: Dirk Neukirchen <dirkneukirchen@web.de>
Patchwork: http://patchwork.openwrt.org/patch/4055/
[juhosg:
  - add commit message and SoB line from the original patch
  - remove dead code from mach-wnr2200.c
  - refresh 624-MIPS-ath79-WNR2200-support.patch]
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

SVN-Revision: 38059

1 files changed, 137 insertions, 0 deletions

diff --git a/target/linux/ar71xx/files/arch/mips/ath79/mach-wnr2200.c b/target/linux/ar71xx/files/arch/mips/ath79/mach-wnr2200.c
new file mode 100644
index 0000000000..502fd5ecbc
--- /dev/null
+++ b/target/linux/ar71xx/files/arch/mips/ath79/mach-wnr2200.c
@@ -0,0 +1,137 @@
+/*
+ *  NETGEAR WNR2200 board support
+ *
+ *  Copyright (C) 2013 Aidan Kissane <aidankissane at googlemail.com>
+ *
+ *  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/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+
+#include <asm/mach-ath79/ath79.h>
+
+#include "dev-ap9x-pci.h"
+#include "dev-eth.h"
+#include "dev-gpio-buttons.h"
+#include "dev-leds-gpio.h"
+#include "dev-m25p80.h"
+#include "dev-usb.h"
+#include "machtypes.h"
+
+#define WNR2200_GPIO_LED_LAN2_AMBER	0
+#define WNR2200_GPIO_LED_LAN4_AMBER	1
+#define WNR2200_GPIO_LED_WPS		5
+#define WNR2200_GPIO_LED_WAN_GREEN	7
+#define WNR2200_GPIO_LED_USB		8
+#define WNR2200_GPIO_LED_LAN3_AMBER	11
+#define WNR2200_GPIO_LED_WAN_AMBER	12
+#define WNR2200_GPIO_LED_LAN1_GREEN	13
+#define WNR2200_GPIO_LED_LAN2_GREEN	14
+#define WNR2200_GPIO_LED_LAN3_GREEN	15
+#define WNR2200_GPIO_LED_LAN4_GREEN	16
+#define WNR2200_GPIO_LED_PWR_AMBER	21
+#define WNR2200_GPIO_LED_PWR_GREEN	22
+
+#define WNR2200_GPIO_USB_POWER		24
+
+#define WNR2200_KEYS_POLL_INTERVAL	20 /* msecs */
+#define WNR2200_KEYS_DEBOUNCE_INTERVAL	(3 * WNR2200_KEYS_POLL_INTERVAL)
+
+#define WNR2200_MAC0_OFFSET		0
+#define WNR2200_MAC1_OFFSET		6
+#define WNR2200_PCIE_CALDATA_OFFSET	0x1000
+
+static struct gpio_led wnr2200_leds_gpio[] __initdata = {
+	{
+		.name		= "wnr2200:amber:lan2",
+		.gpio		= WNR2200_GPIO_LED_LAN2_AMBER,
+		.active_low	= 1,
+	}, {
+		.name		= "wnr2200:amber:lan4",
+		.gpio		= WNR2200_GPIO_LED_LAN4_AMBER,
+		.active_low	= 1,
+	}, {
+		.name		= "wnr2200:green:wps",
+		.gpio		= WNR2200_GPIO_LED_WPS,
+		.active_low	= 1,
+	}, {
+		.name		= "wnr2200:green:wan",
+		.gpio		= WNR2200_GPIO_LED_WAN_GREEN,
+		.active_low	= 1,
+	}, {
+		.name		= "wnr2200:green:usb",
+		.gpio		= WNR2200_GPIO_LED_USB,
+		.active_low	= 1,
+	}, {
+		.name		= "wnr2200:amber:lan3",
+		.gpio		= WNR2200_GPIO_LED_LAN3_AMBER,
+		.active_low	= 1,
+	}, {
+		.name		= "wnr2200:amber:wan",
+		.gpio		= WNR2200_GPIO_LED_WAN_AMBER,
+		.active_low	= 1,
+	}, {
+		.name		= "wnr2200:green:lan1",
+		.gpio		= WNR2200_GPIO_LED_LAN1_GREEN,
+		.active_low	= 1,
+	}, {
+		.name		= "wnr2200:green:lan2",
+		.gpio		= WNR2200_GPIO_LED_LAN2_GREEN,
+		.active_low	= 1,
+	}, {
+		.name		= "wnr2200:green:lan3",
+		.gpio		= WNR2200_GPIO_LED_LAN3_GREEN,
+		.active_low	= 1,
+	}, {
+		.name		= "wnr2200:green:lan4",
+		.gpio		= WNR2200_GPIO_LED_LAN4_GREEN,
+		.active_low	= 1,
+	}, {
+		.name		= "wnr2200:anber:power",
+		.gpio		= WNR2200_GPIO_LED_PWR_AMBER,
+		.active_low	= 1,
+	}, {
+		.name		= "wnr2200:green:power",
+		.gpio		= WNR2200_GPIO_LED_PWR_GREEN,
+		.active_low	= 1,
+	}
+};
+
+static void __init wnr2200_setup(void)
+{
+	u8 *art = (u8 *) KSEG1ADDR(0x1fff0000);
+
+	ath79_register_mdio(0, 0x0);
+
+	ath79_init_mac(ath79_eth0_data.mac_addr, art+WNR2200_MAC0_OFFSET, 0);
+	ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
+	ath79_eth0_data.speed = SPEED_100;
+	ath79_eth0_data.duplex = DUPLEX_FULL;
+
+	ath79_init_mac(ath79_eth1_data.mac_addr, art+WNR2200_MAC1_OFFSET, 0);
+	ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
+	ath79_eth1_data.phy_mask = 0x10;
+
+	ath79_register_eth(0);
+	ath79_register_eth(1);
+
+	ath79_register_m25p80(NULL);
+	ap91_pci_init(art + WNR2200_PCIE_CALDATA_OFFSET, NULL);
+
+	ath79_register_leds_gpio(-1, ARRAY_SIZE(wnr2200_leds_gpio),
+					wnr2200_leds_gpio);
+
+	/* enable power for the USB port */
+	gpio_request_one(WNR2200_GPIO_USB_POWER,
+			GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_FIXED,
+			"USB power");
+
+	ath79_register_usb();
+}
+
+MIPS_MACHINE(ATH79_MACH_WNR2200, "WNR2200", "NETGEAR WNR2200", wnr2200_setup);