[ar71xx] add experimental support for the Linksys WRT400N board (thanks to netprince)

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@15422 3c298f89-4303-0410-b956-a3cf2f4a3e73

target/linux/ar71xx/base-files/lib/ar71xx.sh

@@ -52,6 +52,9 @@ ar71xx_board_name() {
 	*WNR2000)
 		name="wnr2000"
 		;;
+	*WRT400N)
+		name="wrt400n"
+		;;
 	*)
 		name="generic"
 		;;

target/linux/ar71xx/config-2.6.28

@@ -19,6 +19,7 @@ CONFIG_AR71XX_MACH_TL_WR941ND=y
 CONFIG_AR71XX_MACH_UBNT=y
 CONFIG_AR71XX_MACH_WNR2000=y
 CONFIG_AR71XX_MACH_WP543=y
+CONFIG_AR71XX_MACH_WRT400N=y
 CONFIG_AR71XX_WDT=y
 # CONFIG_ARCH_HAS_ILOG2_U32 is not set
 # CONFIG_ARCH_HAS_ILOG2_U64 is not set

target/linux/ar71xx/config-2.6.29

@@ -18,6 +18,7 @@ CONFIG_AR71XX_MACH_TL_WR941ND=y
 CONFIG_AR71XX_MACH_UBNT=y
 CONFIG_AR71XX_MACH_WNR2000=y
 CONFIG_AR71XX_MACH_WP543=y
+CONFIG_AR71XX_MACH_WRT400N=y
 CONFIG_AR71XX_WDT=y
 # CONFIG_ARCH_HAS_ILOG2_U32 is not set
 # CONFIG_ARCH_HAS_ILOG2_U64 is not set

target/linux/ar71xx/files/arch/mips/ar71xx/Kconfig

@@ -31,6 +31,10 @@ config AR71XX_MACH_WP543
 	select MYLOADER
 	default y
 
+config AR71XX_MACH_WRT400N
+	bool "Linksys WRT400N board support"
+	default y
+
 config AR71XX_MACH_RB_4XX
 	bool "MikroTik RouterBOARD 4xx series support"
 	default y

target/linux/ar71xx/files/arch/mips/ar71xx/Makefile

@@ -23,3 +23,4 @@ obj-$(CONFIG_AR71XX_MACH_TL_WR941ND)	+= mach-tl-wr941nd.o
 obj-$(CONFIG_AR71XX_MACH_UBNT)		+= mach-ubnt.o
 obj-$(CONFIG_AR71XX_MACH_WNR2000)	+= mach-wnr2000.o
 obj-$(CONFIG_AR71XX_MACH_WP543)		+= mach-wp543.o
+obj-$(CONFIG_AR71XX_MACH_WRT400N)	+= mach-wrt400n.o

target/linux/ar71xx/files/arch/mips/ar71xx/mach-wrt400n.c

@@ -0,0 +1,162 @@
+/*
+ *  Linksys WRT400N board support
+ *
+ *  Copyright (C) 2009 Gabor Juhos <juhosg@openwrt.org>
+ *  Copyright (C) 2009 Imre Kaloz <kaloz@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/platform_device.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/flash.h>
+#include <linux/input.h>
+
+#include <asm/mips_machine.h>
+#include <asm/mach-ar71xx/ar71xx.h>
+
+#include "devices.h"
+
+#define WRT400N_GPIO_LED_ORANGE	5
+#define WRT400N_GPIO_LED_GREEN	4
+#define WRT400N_GPIO_LED_POWER	1
+#define WRT400N_GPIO_LED_WLAN	0
+
+#define WRT400N_GPIO_BTN_RESET	8
+#define WRT400N_GPIO_BTN_WLSEC	3
+
+#define WRT400N_BUTTONS_POLL_INTERVAL	20
+
+#ifdef CONFIG_MTD_PARTITIONS
+static struct mtd_partition wrt400n_partitions[] = {
+	{
+		.name		= "uboot",
+		.offset		= 0,
+		.size		= 0x030000,
+		.mask_flags	= MTD_WRITEABLE,
+	} , {
+		.name		= "env",
+		.offset		= 0x030000,
+		.size		= 0x010000,
+		.mask_flags	= MTD_WRITEABLE,
+	} , {
+		.name		= "linux",
+		.offset		= 0x040000,
+		.size		= 0x140000,
+	} , {
+		.name		= "rootfs",
+		.offset		= 0x180000,
+		.size		= 0x630000,
+	} , {
+		.name		= "nvram",
+		.offset		= 0x7b0000,
+		.size		= 0x010000,
+		.mask_flags	= MTD_WRITEABLE,
+	} , {
+		.name		= "factory",
+		.offset		= 0x7c0000,
+		.size		= 0x010000,
+		.mask_flags	= MTD_WRITEABLE,
+	} , {
+		.name		= "language",
+		.offset		= 0x7d0000,
+		.size		= 0x020000,
+		.mask_flags	= MTD_WRITEABLE,
+	} , {
+		.name		= "caldata",
+		.offset		= 0x7f0000,
+		.size		= 0x010000,
+		.mask_flags	= MTD_WRITEABLE,
+	}
+};
+#endif /* CONFIG_MTD_PARTITIONS */
+
+static struct flash_platform_data wrt400n_flash_data = {
+#ifdef CONFIG_MTD_PARTITIONS
+        .parts          = wrt400n_partitions,
+        .nr_parts       = ARRAY_SIZE(wrt400n_partitions),
+#endif
+};
+
+static struct spi_board_info wrt400n_spi_info[] = {
+	{
+		.bus_num	= 0,
+		.chip_select	= 0,
+		.max_speed_hz	= 25000000,
+		.modalias	= "m25p80",
+		.platform_data  = &wrt400n_flash_data,
+	}
+};
+
+static struct gpio_led wrt400n_leds_gpio[] __initdata = {
+	{
+		.name		= "wrt400n:green:status",
+		.gpio		= WRT400N_GPIO_LED_GREEN,
+		.active_low	= 1,
+	}, {
+		.name		= "wrt400n:amber:aoss",
+		.gpio		= WRT400N_GPIO_LED_ORANGE,
+		.active_low	= 1,
+	}, {
+		.name		= "wrt400n:green:wlan",
+		.gpio		= WRT400N_GPIO_LED_WLAN,
+		.active_low	= 1,
+	}, {
+		.name		= "wrt400n:green:power",
+		.gpio		= WRT400N_GPIO_LED_POWER,
+		.active_low	= 1,
+	}
+};
+
+static struct gpio_button wrt400n_gpio_buttons[] __initdata = {
+	{
+		.desc		= "reset",
+		.type		= EV_KEY,
+		.code		= BTN_0,
+		.threshold	= 5,
+		.gpio		= WRT400N_GPIO_BTN_RESET,
+		.active_low	= 1,
+	} , {
+		.desc		= "wlsec",
+		.type		= EV_KEY,
+		.code		= BTN_1,
+		.threshold	= 5,
+		.gpio		= WRT400N_GPIO_BTN_WLSEC,
+		.active_low	= 1,
+	}
+};
+
+static void __init wrt400n_setup(void)
+{
+	ar71xx_add_device_mdio(0x0);
+
+	ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
+	ar71xx_eth0_data.phy_mask = 0xf;
+	ar71xx_eth0_data.speed = SPEED_100;
+	ar71xx_eth0_data.duplex = DUPLEX_FULL;
+	ar71xx_eth0_data.has_ar8216 = 1;
+
+	ar71xx_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
+	ar71xx_eth1_data.phy_mask = 0x10;
+
+	ar71xx_add_device_eth(0);
+	ar71xx_add_device_eth(1);
+
+	ar71xx_add_device_spi(NULL, wrt400n_spi_info,
+			      ARRAY_SIZE(wrt400n_spi_info));
+
+	ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(wrt400n_leds_gpio),
+					wrt400n_leds_gpio);
+
+	ar71xx_add_device_gpio_buttons(-1, WRT400N_BUTTONS_POLL_INTERVAL,
+					ARRAY_SIZE(wrt400n_gpio_buttons),
+					wrt400n_gpio_buttons);
+
+	/* TODO: PCI support */
+}
+
+MIPS_MACHINE(AR71XX_MACH_WRT400N, "Linksys WRT400N", wrt400n_setup);

target/linux/ar71xx/files/arch/mips/ar71xx/prom.c

@@ -77,6 +77,9 @@ static struct board_rec boards[] __initdata = {
 	}, {
 		.name		= "WNR2000",
 		.mach_type	= AR71XX_MACH_WNR2000,
+	}, {
+		.name		= "WRT400N",
+		.mach_type	= AR71XX_MACH_WRT400N,
 	}, {
 		.name		= "PB42",
 		.mach_type	= AR71XX_MACH_PB42,

target/linux/ar71xx/files/arch/mips/include/asm/mach-ar71xx/ar71xx.h

@@ -130,6 +130,7 @@ extern unsigned long ar71xx_mach_type;
 #define AR71XX_MACH_TL_WR941ND	16	/* TP-LINK TL-WR941ND */
 #define AR71XX_MACH_UBNT_RSPRO	17	/* Ubiquiti RouterStation Pro */
 #define AR71XX_MACH_AP81	18	/* Atheros AP81 */
+#define AR71XX_MACH_WRT400N	19	/* Linksys WRT400N */
 
 /*
  * PLL block