ar71xx: Buffalo WHR-HP-G300N kernel support

The initial support for the Buffalo WHR-HP-G300N box.
The code was confirmed to boot and run, but not tested in depth.

Known problem: iw phy phy0 info shows:
	Coverage class: 0 (up to 0m)
	Available Antennas: TX 0 RX 0

Signed-off-by: Yoichi Shinoda <shinoda@jaist.ac.jp>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@28567 3c298f89-4303-0410-b956-a3cf2f4a3e73

4 files changed, 181 insertions, 0 deletions

diff --git a/target/linux/ar71xx/files/arch/mips/ar71xx/Kconfig b/target/linux/ar71xx/files/arch/mips/ar71xx/Kconfig
index d9ea47e0c0..021c1c7dc0 100644
--- a/target/linux/ar71xx/files/arch/mips/ar71xx/Kconfig
+++ b/target/linux/ar71xx/files/arch/mips/ar71xx/Kconfig
@@ -145,6 +145,14 @@ config AR71XX_MACH_WZR_HP_G300NH
 	select AR71XX_DEV_USB
 	select RTL8366_SMI
 
+config AR71XX_MACH_WHR_HP_G300N
+	bool "Buffalo WHR-HP-G300N board support"
+	select SOC_AR724X
+	select AR71XX_DEV_M25P80
+	select AR71XX_DEV_AP91_PCI if PCI
+	select AR71XX_DEV_GPIO_BUTTONS
+	select AR71XX_DEV_LEDS_GPIO
+
 config AR71XX_MACH_WP543
 	bool "Compex WP543/WPJ543 board support"
 	select SOC_AR71XX
diff --git a/target/linux/ar71xx/files/arch/mips/ar71xx/Makefile b/target/linux/ar71xx/files/arch/mips/ar71xx/Makefile
index aab38537e4..5b89ffb15d 100644
--- a/target/linux/ar71xx/files/arch/mips/ar71xx/Makefile
+++ b/target/linux/ar71xx/files/arch/mips/ar71xx/Makefile
@@ -59,6 +59,7 @@ obj-$(CONFIG_AR71XX_MACH_TL_WR941ND)	+= mach-tl-wr941nd.o
 obj-$(CONFIG_AR71XX_MACH_TL_WR1043ND)	+= mach-tl-wr1043nd.o
 obj-$(CONFIG_AR71XX_MACH_TL_WR703N)	+= mach-tl-wr703n.o
 obj-$(CONFIG_AR71XX_MACH_UBNT)		+= mach-ubnt.o
+obj-$(CONFIG_AR71XX_MACH_WHR_HP_G300N)	+= mach-whr-hp-g300n.o
 obj-$(CONFIG_AR71XX_MACH_WNDR3700)	+= mach-wndr3700.o
 obj-$(CONFIG_AR71XX_MACH_WNR2000)	+= mach-wnr2000.o
 obj-$(CONFIG_AR71XX_MACH_WP543)		+= mach-wp543.o
diff --git a/target/linux/ar71xx/files/arch/mips/ar71xx/mach-whr-hp-g300n.c b/target/linux/ar71xx/files/arch/mips/ar71xx/mach-whr-hp-g300n.c
new file mode 100644
index 0000000000..a88a481890
--- /dev/null
+++ b/target/linux/ar71xx/files/arch/mips/ar71xx/mach-whr-hp-g300n.c
@@ -0,0 +1,171 @@
+/*
+ *  Buffalo WHR-HP-G300N board support
+ *
+ *  based on ...
+ *
+ *  TP-LINK TL-WR741ND board support
+ *
+ *  Copyright (C) 2009-2010 Gabor Juhos <juhosg@openwrt.org>
+ *
+ *  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/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+
+#include <asm/mach-ar71xx/ar71xx.h>
+
+#include "machtype.h"
+#include "devices.h"
+#include "dev-m25p80.h"
+#include "dev-ap91-pci.h"
+#include "dev-gpio-buttons.h"
+#include "dev-leds-gpio.h"
+
+#define	WHRHPG300N_GPIO_LED_SECURITY		0
+#define	WHRHPG300N_GPIO_LED_DIAG		1
+#define	WHRHPG300N_GPIO_LED_ROUTER		6
+
+#define	WHRHPG300N_GPIO_BTN_ROUTER_ON		7
+#define	WHRHPG300N_GPIO_BTN_ROUTER_AUTO		8
+#define	WHRHPG300N_GPIO_BTN_RESET		11
+#define	WHRHPG300N_GPIO_BTN_AOSS		12
+
+#define	WHRHPG300N_KEYS_POLL_INTERVAL	20	/* msecs */
+#define WHRHPG300N_KEYS_DEBOUNCE_INTERVAL (3 * WHRHPG300N_KEYS_POLL_INTERVAL)
+
+#define WHRHPG300N_MAC_OFFSET		0x20c
+
+#ifdef CONFIG_MTD_PARTITIONS
+static struct mtd_partition whrhpg300n_partitions[] = {
+	{
+		.name		= "u-boot",
+		.offset		= 0,
+		.size		= 0x03e000,
+		.mask_flags	= MTD_WRITEABLE,
+	}, {
+		.name		= "u-boot-env",
+		.offset		= 0x03e000,
+		.size		= 0x002000,
+	}, {
+		.name		= "kernel",
+		.offset		= 0x040000,
+		.size		= 0x0e0000,
+	}, {
+		.name		= "rootfs",
+		.offset		= 0x120000,
+		.size		= 0x2c0000,
+	}, {
+		.name		= "NVRAM",
+		.offset		= 0x3e0000,
+		.size		= 0x010000,
+	}, {
+		.name		= "ART",
+		.offset		= 0x3f0000,
+		.size		= 0x010000,
+		.mask_flags	= MTD_WRITEABLE,
+	}, {
+		.name		= "firmware",
+		.offset		= 0x040000,
+		.size		= 0x3a0000,
+	}
+};
+#endif /* CONFIG_MTD_PARTITIONS */
+
+static struct flash_platform_data whrhpg300n_flash_data = {
+#ifdef CONFIG_MTD_PARTITIONS
+	.parts		= whrhpg300n_partitions,
+	.nr_parts	= ARRAY_SIZE(whrhpg300n_partitions),
+#endif
+};
+
+static struct gpio_led whrhpg300n_leds_gpio[] __initdata = {
+	{
+		.name		= "whr-hp-g300n:orange:security",
+		.gpio		= WHRHPG300N_GPIO_LED_SECURITY,
+		.active_low	= 1,
+	}, {
+		.name		= "whr-hp-g300n:red:diag",
+		.gpio		= WHRHPG300N_GPIO_LED_DIAG,
+		.active_low	= 1,
+	}, {
+		.name		= "whr-hp-g300n:green:router",
+		.gpio		= WHRHPG300N_GPIO_LED_ROUTER,
+		.active_low	= 1,
+	}
+};
+
+static struct gpio_keys_button whrhpg300n_gpio_keys[] __initdata = {
+	{
+		.desc		= "reset",
+		.type		= EV_KEY,
+		.code		= KEY_RESTART,
+		.debounce_interval = WHRHPG300N_KEYS_DEBOUNCE_INTERVAL,
+		.gpio		= WHRHPG300N_GPIO_BTN_RESET,
+		.active_low	= 1,
+	}, {
+		.desc		= "aoss/wps",
+		.type		= EV_KEY,
+		.code		= KEY_WPS_BUTTON,
+		.gpio		= WHRHPG300N_GPIO_BTN_AOSS,
+		.debounce_interval = WHRHPG300N_KEYS_DEBOUNCE_INTERVAL,
+		.active_low	= 1,
+	}, {
+		.desc		= "router_on",
+		.type		= EV_KEY,
+		.code		= BTN_2,
+		.gpio		= WHRHPG300N_GPIO_BTN_ROUTER_ON,
+		.debounce_interval = WHRHPG300N_KEYS_DEBOUNCE_INTERVAL,
+		.active_low	= 1,
+	}, {
+		.desc		= "router_auto",
+		.type		= EV_KEY,
+		.code		= BTN_3,
+		.gpio		= WHRHPG300N_GPIO_BTN_ROUTER_AUTO,
+		.debounce_interval = WHRHPG300N_KEYS_DEBOUNCE_INTERVAL,
+		.active_low	= 1,
+	}
+};
+
+static void __init whrhpg300n_setup(void)
+{
+	u8 *ee = (u8 *) KSEG1ADDR(0x1fff1000);
+	u8 *mac = (u8 *) KSEG1ADDR(ee + WHRHPG300N_MAC_OFFSET);
+
+	ar71xx_add_device_m25p80(&whrhpg300n_flash_data);
+
+	ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(whrhpg300n_leds_gpio),
+					whrhpg300n_leds_gpio);
+
+	ar71xx_register_gpio_keys_polled(-1, WHRHPG300N_KEYS_POLL_INTERVAL,
+					 ARRAY_SIZE(whrhpg300n_gpio_keys),
+					 whrhpg300n_gpio_keys);
+
+	ar71xx_eth1_data.has_ar7240_switch = 1;
+	ar71xx_init_mac(ar71xx_eth0_data.mac_addr, mac, 0);
+	ar71xx_init_mac(ar71xx_eth1_data.mac_addr, mac, 1);
+
+	/* WAN port */
+	ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
+	ar71xx_eth0_data.speed = SPEED_100;
+	ar71xx_eth0_data.duplex = DUPLEX_FULL;
+	ar71xx_eth0_data.phy_mask = BIT(4);
+
+	/* LAN ports */
+	ar71xx_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
+	ar71xx_eth1_data.speed = SPEED_1000;
+	ar71xx_eth1_data.duplex = DUPLEX_FULL;
+
+	ar71xx_add_device_mdio(0x0);
+	ar71xx_add_device_eth(1);
+	ar71xx_add_device_eth(0);
+
+	ap91_pci_setup_wmac_led_pin(1);
+
+	ap91_pci_init(ee, mac);
+}
+
+MIPS_MACHINE(AR71XX_MACH_WHR_HP_G300N, "WHR-HP-G300N", "Buffalo WHR-HP-G300N",
+	     whrhpg300n_setup);
diff --git a/target/linux/ar71xx/files/arch/mips/ar71xx/machtype.h b/target/linux/ar71xx/files/arch/mips/ar71xx/machtype.h
index 6f16e7bebe..91d833a125 100644
--- a/target/linux/ar71xx/files/arch/mips/ar71xx/machtype.h
+++ b/target/linux/ar71xx/files/arch/mips/ar71xx/machtype.h
@@ -63,6 +63,7 @@ enum ar71xx_mach_type {
 	AR71XX_MACH_UBNT_RSPRO,	/* Ubiquiti RouterStation Pro */
 	AR71XX_MACH_UBNT_RS,	/* Ubiquiti RouterStation */
 	AR71XX_MACH_UBNT_UNIFI, /* Unifi */
+	AR71XX_MACH_WHR_HP_G300N, /* Buffalo WHR-HP-G300N */
 	AR71XX_MACH_WNDR3700,	/* NETGEAR WNDR3700 */
 	AR71XX_MACH_WNDR3700V2,	/* NETGEAR WNDR3700v2 */
 	AR71XX_MACH_WNR2000,	/* NETGEAR WNR2000 */