--- a/arch/arm/mach-ixp4xx/Kconfig
+++ b/arch/arm/mach-ixp4xx/Kconfig
@@ -8,6 +8,14 @@ menu "Intel IXP4xx Implementation Option
 
 comment "IXP4xx Platforms"
 
+config MACH_AP42X
+	bool "Tonze AP-422/425"
+	select PCI
+	help
+	  Say 'Y' here if you want your kernel to support Tonze's
+	  AP-422/425 boards. For more information on this platform,
+	  see http://tonze.com.tw
+
 config MACH_NSLU2
 	bool
 	prompt "Linksys NSLU2"
--- a/arch/arm/mach-ixp4xx/Makefile
+++ b/arch/arm/mach-ixp4xx/Makefile
@@ -5,6 +5,7 @@
 obj-pci-y	:=
 obj-pci-n	:=
 
+obj-pci-$(CONFIG_MACH_AP42X)		+= ap42x-pci.o
 obj-pci-$(CONFIG_ARCH_IXDP4XX)		+= ixdp425-pci.o
 obj-pci-$(CONFIG_MACH_AVILA)		+= avila-pci.o
 obj-pci-$(CONFIG_MACH_CAMBRIA)		+= cambria-pci.o
@@ -32,6 +33,7 @@ obj-pci-$(CONFIG_MACH_USR8200)		+= usr82
 
 obj-y	+= common.o
 
+obj-$(CONFIG_MACH_AP42X)	+= ap42x-setup.o
 obj-$(CONFIG_ARCH_IXDP4XX)	+= ixdp425-setup.o
 obj-$(CONFIG_MACH_AVILA)	+= avila-setup.o
 obj-$(CONFIG_MACH_CAMBRIA)	+= cambria-setup.o
--- /dev/null
+++ b/arch/arm/mach-ixp4xx/ap42x-pci.c
@@ -0,0 +1,63 @@
+/*
+ * arch/arch/mach-ixp4xx/ap42x-pci.c
+ *
+ * PCI setup routines for Tonze AP-422/425
+ *
+ * Copyright (C) 2012 Imre Kaloz <kaloz@openwrt.org>
+ *
+ * based on coyote-pci.c:
+ *	Copyright (C) 2002 Jungo Software Technologies.
+ *	Copyright (C) 2003 MontaVista Softwrae, Inc.
+ *
+ * Maintainer: 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/kernel.h>
+#include <linux/pci.h>
+#include <linux/init.h>
+#include <linux/irq.h>
+
+#include <asm/mach-types.h>
+#include <mach/hardware.h>
+
+#include <asm/mach/pci.h>
+
+void __init ap42x_pci_preinit(void)
+{
+	irq_set_irq_type(IRQ_IXP4XX_GPIO10, IRQ_TYPE_LEVEL_LOW);
+	irq_set_irq_type(IRQ_IXP4XX_GPIO11, IRQ_TYPE_LEVEL_LOW);
+
+	ixp4xx_pci_preinit();
+}
+
+static int __init ap42x_map_irq(const struct pci_dev *dev, u8 slot,
+	u8 pin)
+{
+	if (slot == 1)
+		return IRQ_IXP4XX_GPIO11;
+	else if (slot == 2)
+		return IRQ_IXP4XX_GPIO10;
+	else return -1;
+}
+
+struct hw_pci ap42x_pci __initdata = {
+	.nr_controllers = 1,
+	.preinit	= ap42x_pci_preinit,
+	.ops		= &ixp4xx_ops,
+	.setup		= ixp4xx_setup,
+	.map_irq	= ap42x_map_irq,
+};
+
+int __init ap42x_pci_init(void)
+{
+	if (machine_is_ap42x())
+		pci_common_init(&ap42x_pci);
+	return 0;
+}
+
+subsys_initcall(ap42x_pci_init);
--- /dev/null
+++ b/arch/arm/mach-ixp4xx/ap42x-setup.c
@@ -0,0 +1,166 @@
+/*
+ * arch/arm/mach-ixp4xx/ap42x-setup.c
+ *
+ * Board setup for the Tonze AP-42x boards
+ *
+ * Copyright (C) 2012 Imre Kaloz <kaloz@openwrt.org>
+ *
+ * based on coyote-setup.c:
+ *      Copyright (C) 2003-2005 MontaVista Software, Inc.
+ *
+ * Author: Imre Kaloz <Kaloz@openwrt.org>
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/device.h>
+#include <linux/serial.h>
+#include <linux/tty.h>
+#include <linux/serial_8250.h>
+#include <linux/mtd/physmap.h>
+#include <linux/dma-mapping.h>
+
+#include <asm/types.h>
+#include <asm/setup.h>
+#include <asm/memory.h>
+#include <mach/hardware.h>
+#include <asm/irq.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/flash.h>
+
+static struct mtd_partition ap42x_flash_partitions[] = {
+	{
+		.name		= "RedBoot",
+		.offset		= 0x00000000,
+		.size		= 0x00080000,
+	}, {
+		.name		= "linux",
+		.offset		= 0x00080000,
+		.size		= 0x00100000,
+	}, {
+		.name		= "rootfs",
+		.offset		= 0x00180000,
+		.size		= 0x00660000,
+	}, {
+		.name		= "FIS directory",
+		.offset		= 0x007f8000,
+		.size		= 0x00007000,
+	}, {
+		.name		= "RedBoot config",
+		.offset		= 0x007ff000,
+		.size		= 0x00001000,
+	},
+};
+
+static struct physmap_flash_data ap42x_flash_data = {
+	.width		= 2,
+	.parts		= ap42x_flash_partitions,
+	.nr_parts	= ARRAY_SIZE(ap42x_flash_partitions),
+};
+
+static struct resource ap42x_flash_resource = {
+	.flags		= IORESOURCE_MEM,
+	.start		= IXP4XX_EXP_BUS_BASE_PHYS,
+	.end		= IXP4XX_EXP_BUS_BASE_PHYS + SZ_8M - 1,
+};
+
+static struct platform_device ap42x_flash = {
+	.name			= "physmap-flash",
+	.id			= 0,
+	.dev		= {
+		.platform_data	= &ap42x_flash_data,
+	},
+	.num_resources		= 1,
+	.resource		= &ap42x_flash_resource,
+};
+
+static struct resource ap42x_uart_resource = {
+	.start	= IXP4XX_UART2_BASE_PHYS,
+	.end	= IXP4XX_UART2_BASE_PHYS + 0x0fff,
+	.flags	= IORESOURCE_MEM,
+};
+
+static struct plat_serial8250_port ap42x_uart_data[] = {
+	{
+		.mapbase	= IXP4XX_UART2_BASE_PHYS,
+		.membase	= (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
+		.irq		= IRQ_IXP4XX_UART2,
+		.flags		= UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
+		.iotype		= UPIO_MEM,
+		.regshift	= 2,
+		.uartclk	= IXP4XX_UART_XTAL,
+	},
+	{ },
+};
+
+static struct platform_device ap42x_uart = {
+	.name		= "serial8250",
+	.id		= PLAT8250_DEV_PLATFORM,
+	.dev			= {
+		.platform_data	= ap42x_uart_data,
+	},
+	.num_resources	= 1,
+	.resource	= &ap42x_uart_resource,
+};
+
+static struct eth_plat_info ap42x_plat_eth[] = {
+	{
+		.phy		= 2,
+		.rxq		= 3,
+		.txreadyq	= 20,
+	}, {
+		.phy		= 1,
+		.rxq		= 4,
+		.txreadyq	= 21,
+	}
+};
+
+static struct platform_device ap42x_eth[] = {
+	{
+		.name			= "ixp4xx_eth",
+		.id			= IXP4XX_ETH_NPEB,
+		.dev.platform_data	= ap42x_plat_eth,
+		.dev.coherent_dma_mask	= DMA_BIT_MASK(32),
+	}, {
+		.name			= "ixp4xx_eth",
+		.id			= IXP4XX_ETH_NPEC,
+		.dev.platform_data	= ap42x_plat_eth + 1,
+		.dev.coherent_dma_mask	= DMA_BIT_MASK(32),
+	}
+};
+
+static struct platform_device *ap42x_devices[] __initdata = {
+	&ap42x_flash,
+	&ap42x_uart,
+	&ap42x_eth[0],
+	&ap42x_eth[1],
+};
+
+static void __init ap42x_init(void)
+{
+	ixp4xx_sys_init();
+
+	ap42x_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
+	ap42x_flash_resource.end = IXP4XX_EXP_BUS_BASE(0) + SZ_32M - 1;
+
+	*IXP4XX_EXP_CS0 |= IXP4XX_FLASH_WRITABLE;
+	*IXP4XX_EXP_CS1 = *IXP4XX_EXP_CS0;
+
+	platform_add_devices(ap42x_devices, ARRAY_SIZE(ap42x_devices));
+}
+
+#ifdef CONFIG_MACH_AP42X
+MACHINE_START(AP42X, "Tonze AP-422/425")
+	/* Maintainer: Imre Kaloz <kaloz@openwrt.org> */
+	.map_io		= ixp4xx_map_io,
+	.init_irq	= ixp4xx_init_irq,
+	.init_time	= ixp4xx_timer_init,
+	.atag_offset	= 0x100,
+	.init_machine	= ap42x_init,
+#if defined(CONFIG_PCI)
+	.dma_zone_size	= SZ_64M,
+#endif
+	.restart	= ixp4xx_restart,
+MACHINE_END
+#endif
--- a/arch/arm/mach-ixp4xx/include/mach/uncompress.h
+++ b/arch/arm/mach-ixp4xx/include/mach/uncompress.h
@@ -45,7 +45,8 @@ static __inline__ void __arch_decomp_set
 	    machine_is_devixp() || machine_is_miccpt() || machine_is_mic256() ||
 	    machine_is_pronghorn() || machine_is_pronghorn_metro() ||
 	    machine_is_wrt300nv2() || machine_is_tw5334() ||
-	    machine_is_usr8200() || machine_is_tw2662())
+	    machine_is_usr8200() || machine_is_tw2662() ||
+	    machine_is_ap42x())
 		uart_base = (volatile u32*) IXP4XX_UART2_BASE_PHYS;
 	else
 		uart_base = (volatile u32*) IXP4XX_UART1_BASE_PHYS;
