--- a/arch/arm/mach-cns21xx/Kconfig
+++ b/arch/arm/mach-cns21xx/Kconfig
@@ -2,6 +2,15 @@ if ARCH_CNS21XX
 
 menu "Cavium Networks CNS21xx based machines"
 
+config MACH_NSB3AST
+	bool "AGESTAR NSB3AST support"
+	select CNS21XX_DEV_GEC
+	select CNS21XX_DEV_SPI_MASTER
+	select CNS21XX_DEV_USB
+	help
+	  Say Y here if you intend to run this kernel on the
+	  AGESTAR NSB3AST board.
+
 config MACH_NS_K330
 	bool "NS-K330 NAS"
 	select CNS21XX_DEV_GEC
--- /dev/null
+++ b/arch/arm/mach-cns21xx/mach-nsb3ast.c
@@ -0,0 +1,173 @@
+/*
+ *  AGESTAR NSB3AST board support
+ *
+ *  Copyright (c) 2010-2012 Gabor Juhos <juhosg@openwrt.org>
+ *
+ *  This file 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/kernel.h>
+#include <linux/init.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/map.h>
+#include <linux/mtd/partitions.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/flash.h>
+#include <linux/platform_device.h>
+#include <linux/gpio.h>
+#include <linux/leds.h>
+#include <linux/gpio_keys.h>
+#include <linux/input.h>
+
+#include <asm/setup.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/time.h>
+#include <mach/hardware.h>
+#include <mach/cns21xx.h>
+#include <mach/cns21xx_misc.h>
+
+#include "common.h"
+#include "dev-gec.h"
+
+static struct mtd_partition nsb3ast_partitions[] =  {
+	{
+		.name		= "armboot",
+		.offset		= 0x0,
+		.size		= 0x040000,
+		.mask_flags	= MTD_WRITEABLE,
+	}, {
+		.name		= "kernel",
+		.offset		= 0x040000,
+		.size		= 0x100000,
+	}, {
+		.name		= "rootfs",
+		.offset		= 0x140000,
+		.size		= 0x6c0000,
+	}, {
+		.name		= "firmware",
+		.offset		= 0x040000,
+		.size		= 0x7c0000,
+	}, {
+		.name		= "wholeflash",
+		.offset		= 0x0,
+		.size		= 0x800000,
+		.mask_flags	= MTD_WRITEABLE,
+	},
+};
+
+static struct flash_platform_data nsb3ast_flash_data = {
+        .parts          = nsb3ast_partitions,
+        .nr_parts       = ARRAY_SIZE(nsb3ast_partitions),
+};
+
+static struct spi_board_info nsb3ast_spi_board_info[] = {
+	{
+		.bus_num	= 0,
+		.chip_select	= 0,
+		.max_speed_hz	= 25000000,
+		.modalias	= "m25p80",
+		.platform_data	= &nsb3ast_flash_data,
+	}
+};
+
+static struct gpio_led nsb3ast_gpio_leds[] = {
+	{
+		.name		= "nsb3ast:red:d1",
+		.gpio		= 15,
+		.active_low	= 1,
+	}, {
+		.name		= "nsb3ast:amber:eth",
+		.gpio		= 22,
+		.active_low	= 1,
+	}
+};
+
+static struct gpio_led_platform_data nsb3ast_gpio_leds_data = {
+	.num_leds		= ARRAY_SIZE(nsb3ast_gpio_leds),
+	.leds			= nsb3ast_gpio_leds,
+};
+
+static struct platform_device nsb3ast_gpio_leds_device = {
+	.name			= "leds-gpio",
+	.id			= -1,
+	.dev.platform_data	= &nsb3ast_gpio_leds_data,
+};
+
+static struct gpio_keys_button nsb3ast_gpio_keys[] = {
+	{
+		.code		= KEY_RESTART,
+		.gpio		= 0,
+		.desc		= "Reset Button",
+		.active_low	= 1,
+	},
+	{
+		.code		= BTN_0,
+		.gpio		= 2,
+		.desc		= "USB Button",
+		.active_low	= 0,
+	},
+};
+
+static struct gpio_keys_platform_data nsb3ast_gpio_keys_data = {
+	.buttons	= nsb3ast_gpio_keys,
+	.nbuttons	= ARRAY_SIZE(nsb3ast_gpio_keys),
+};
+
+static struct platform_device nsb3ast_gpio_keys_device = {
+	.name		= "gpio-keys",
+	.id		= -1,
+	.num_resources	= 0,
+	.dev		= {
+		.platform_data	= &nsb3ast_gpio_keys_data,
+	},
+};
+
+static void __init nsb3ast_fixup(struct tag *tags, char **cmdline,
+			  	 struct meminfo *mi)
+{
+	struct tag *t;
+
+	/* The board has 32MB of RAM mapped at 0. */
+	mi->nr_banks = 1;
+	mi->bank[0].start = 0;
+	mi->bank[0].size = SZ_32M;
+
+	for (t = tags; t->hdr.size; t = tag_next(t)) {
+		switch (t->hdr.tag) {
+		case ATAG_CORE:
+			if (t->u.core.rootdev == 255)
+				t->u.core.rootdev = 0;
+			break;
+		}
+	}
+}
+
+static void __init nsb3ast_init(void)
+{
+	cns21xx_gpio_init();
+	cns21xx_register_uart0();
+	cns21xx_register_uart1();
+	cns21xx_register_wdt();
+	cns21xx_register_usb();
+	cns21xx_register_spi_master(-1, nsb3ast_spi_board_info,
+				    ARRAY_SIZE(nsb3ast_spi_board_info));
+
+	cns21xx_gec_data.phy_type = CNS21XX_GEC_PHY_TYPE_INTERNAL;
+	cns21xx_register_gec();
+
+	HAL_MISC_DISABLE_LED012_PINS();
+	platform_device_register(&nsb3ast_gpio_leds_device);
+	platform_device_register(&nsb3ast_gpio_keys_device);
+}
+
+MACHINE_START(NSB3AST, "AGESTAR NSB3AST")
+	.fixup		= nsb3ast_fixup,
+	.map_io		= cns21xx_map_io,
+	.init_irq	= cns21xx_init_irq,
+	.timer		= &cns21xx_timer,
+	.init_machine	= nsb3ast_init,
+	.restart	= cns21xx_restart,
+MACHINE_END
--- a/arch/arm/mach-cns21xx/Makefile
+++ b/arch/arm/mach-cns21xx/Makefile
@@ -13,3 +13,4 @@ obj-$(CONFIG_CNS21XX_DEV_SPI_MASTER)	+=
 
 # machine specific files
 obj-$(CONFIG_MACH_NS_K330)		+= mach-ns-k330.o
+obj-$(CONFIG_MACH_NSB3AST)		+= mach-nsb3ast.o