diff --git a/drivers/net/Space.c b/drivers/net/Space.c
index 068c356..83897e2 100644
--- a/drivers/net/Space.c
+++ b/drivers/net/Space.c
@@ -190,8 +190,12 @@ static struct devprobe2 isa_probes[] __initdata = {
 	{seeq8005_probe, 0},
 #endif
 #ifdef CONFIG_CS89x0
+#if !defined(CONFIG_CS89x0_PLATFORM) || defined(CONFIG_MACH_IXDP2351) || \
+	defined(CONFIG_ARCH_IXDP2X01) || defined(CONFIG_MACH_QQ2440) ||  \
+	defined(CONFIG_MACH_MX31ADS)
  	{cs89x0_probe, 0},
 #endif
+#endif
 #ifdef CONFIG_AT1700
 	{at1700_probe, 0},
 #endif
diff --git a/drivers/net/ethernet/cirrus/Kconfig b/drivers/net/ethernet/cirrus/Kconfig
index 1f8648f..3784b1b 100644
--- a/drivers/net/ethernet/cirrus/Kconfig
+++ b/drivers/net/ethernet/cirrus/Kconfig
@@ -5,8 +5,7 @@
 config NET_VENDOR_CIRRUS
 	bool "Cirrus devices"
 	default y
-	depends on ISA || EISA || MACH_IXDP2351 || ARCH_IXDP2X01 \
-		|| MACH_MX31ADS || MACH_QQ2440 || (ARM && ARCH_EP93XX) || MAC
+	depends on ISA || EISA || ARM || (ARM && ARCH_EP93XX) || MAC
 	---help---
 	  If you have a network (Ethernet) card belonging to this class, say Y
 	  and read the Ethernet-HOWTO, available from
@@ -21,8 +20,7 @@ if NET_VENDOR_CIRRUS
 
 config CS89x0
 	tristate "CS89x0 support"
-	depends on (ISA || EISA || MACH_IXDP2351 \
-		|| ARCH_IXDP2X01 || MACH_MX31ADS || MACH_QQ2440)
+	depends on ISA || EISA || ARM
 	---help---
 	  Support for CS89x0 chipset based Ethernet cards. If you have a
 	  network (Ethernet) card of this type, say Y and read the
@@ -33,10 +31,15 @@ config CS89x0
 	  To compile this driver as a module, choose M here. The module
 	  will be called cs89x0.
 
-config CS89x0_NONISA_IRQ
-	def_bool y
-	depends on CS89x0 != n
-	depends on MACH_IXDP2351 || ARCH_IXDP2X01 || MACH_MX31ADS || MACH_QQ2440
+config CS89x0_PLATFORM
+	bool "CS89x0 platform driver support"
+	depends on CS89x0
+	help
+	  Say Y to compile the cs89x0 driver as a platform driver. This
+	  makes this driver suitable for use on certain evaluation boards
+	  such as the iMX21ADS.
+
+	  If you are unsure, say N.
 
 config EP93XX_ETH
 	tristate "EP93xx Ethernet support"
diff --git a/drivers/net/ethernet/cirrus/cs89x0.c b/drivers/net/ethernet/cirrus/cs89x0.c
index f328da2..903ef22 100644
--- a/drivers/net/ethernet/cirrus/cs89x0.c
+++ b/drivers/net/ethernet/cirrus/cs89x0.c
@@ -100,9 +100,6 @@
 
 */
 
-/* Always include 'config.h' first in case the user wants to turn on
-   or override something. */
-#include <linux/module.h>
 
 /*
  * Set this to zero to disable DMA code
@@ -131,9 +128,14 @@
 
 */
 
+#define pr_fmt(fmt)	KBUILD_MODNAME ": " fmt
+
+#include <linux/module.h>
+#include <linux/printk.h>
 #include <linux/errno.h>
 #include <linux/netdevice.h>
 #include <linux/etherdevice.h>
+#include <linux/platform_device.h>
 #include <linux/kernel.h>
 #include <linux/types.h>
 #include <linux/fcntl.h>
@@ -151,6 +153,9 @@
 #include <asm/system.h>
 #include <asm/io.h>
 #include <asm/irq.h>
+#ifdef CONFIG_CS89x0_PLATFORM
+#include <linux/atomic.h>
+#endif
 #if ALLOW_DMA
 #include <asm/dma.h>
 #endif
@@ -173,6 +178,7 @@ static char version[] __initdata =
 /* The cs8900 has 4 IRQ pins, software selectable. cs8900_irq_map maps
    them to system IRQ numbers. This mapping is card specific and is set to
    the configuration of the Cirrus Eval board for this chip. */
+#if defined(CONFIG_CS89x0_PLATFORM)
 #if defined(CONFIG_MACH_IXDP2351)
 static unsigned int netcard_portlist[] __used __initdata = {IXDP2351_VIRT_CS8900_BASE, 0};
 static unsigned int cs8900_irq_map[] = {IRQ_IXDP2351_CS8900, 0, 0, 0};
@@ -188,7 +194,17 @@ static unsigned int cs8900_irq_map[] = { QQ2440_CS8900_IRQ, 0, 0, 0 };
 static unsigned int netcard_portlist[] __used __initdata = {
 	PBC_BASE_ADDRESS + PBC_CS8900A_IOBASE + 0x300, 0
 };
-static unsigned cs8900_irq_map[] = {EXPIO_INT_ENET_INT, 0, 0, 0};
+static unsigned int cs8900_irq_map[] = {EXPIO_INT_ENET_INT, 0, 0, 0};
+#else
+/*
+ * Counter for the number of CS89x0 platform device instances, which is needed
+ * because this driver currently supports only one CS89x0 platform device
+ * instance.
+ */
+static atomic_t platform_dev_cnt = ATOMIC_INIT(0);
+static unsigned int cs8900_irq_map[] = {0, 0, 0, 0};
+static unsigned int netcard_portlist[] __used __initdata = {0, 0};
+#endif
 #else
 static unsigned int netcard_portlist[] __used __initdata =
    { 0x300, 0x320, 0x340, 0x360, 0x200, 0x220, 0x240, 0x260, 0x280, 0x2a0, 0x2c0, 0x2e0, 0};
@@ -737,7 +753,7 @@ cs89x0_probe1(struct net_device *dev, int ioaddr, int modular)
 	} else {
 		i = lp->isa_config & INT_NO_MASK;
 		if (lp->chip_type == CS8900) {
-#ifdef CONFIG_CS89x0_NONISA_IRQ
+#ifdef CONFIG_CS89x0_PLATFORM
 		        i = cs8900_irq_map[0];
 #else
 			/* Translate the IRQ using the IRQ mapping table. */
@@ -954,10 +970,10 @@ skip_this_frame:
 static void __init reset_chip(struct net_device *dev)
 {
 #if !defined(CONFIG_MACH_MX31ADS)
-#if !defined(CS89x0_NONISA_IRQ)
+#if !defined(CONFIG_CS89x0_PLATFORM)
 	struct net_local *lp = netdev_priv(dev);
 	int ioaddr = dev->base_addr;
-#endif /* CS89x0_NONISA_IRQ */
+#endif /* CONFIG_CS89x0_PLATFORM */
 	int reset_start_time;
 
 	writereg(dev, PP_SelfCTL, readreg(dev, PP_SelfCTL) | POWER_ON_RESET);
@@ -965,7 +981,7 @@ static void __init reset_chip(struct net_device *dev)
 	/* wait 30 ms */
 	msleep(30);
 
-#if !defined(CS89x0_NONISA_IRQ)
+#if !defined(CONFIG_CS89x0_PLATFORM)
 	if (lp->chip_type != CS8900) {
 		/* Hardware problem requires PNP registers to be reconfigured after a reset */
 		writeword(ioaddr, ADD_PORT, PP_CS8920_ISAINT);
@@ -976,7 +992,7 @@ static void __init reset_chip(struct net_device *dev)
 		outb((dev->mem_start >> 16) & 0xff, ioaddr + DATA_PORT);
 		outb((dev->mem_start >> 8) & 0xff,   ioaddr + DATA_PORT + 1);
 	}
-#endif /* CS89x0_NONISA_IRQ */
+#endif /* CONFIG_CS89x0_PLATFORM */
 
 	/* Wait until the chip is reset */
 	reset_start_time = jiffies;
@@ -1228,7 +1244,7 @@ net_open(struct net_device *dev)
 	}
 	else
 	{
-#ifndef CONFIG_CS89x0_NONISA_IRQ
+#ifndef CONFIG_CS89x0_PLATFORM
 		if (((1 << dev->irq) & lp->irq_map) == 0) {
 			printk(KERN_ERR "%s: IRQ %d is not in our map of allowable IRQs, which is %x\n",
                                dev->name, dev->irq, lp->irq_map);
@@ -1746,7 +1762,7 @@ static int set_mac_address(struct net_device *dev, void *p)
 	return 0;
 }
 
-#ifdef MODULE
+#if defined(MODULE) && !defined(CONFIG_CS89x0_PLATFORM)
 
 static struct net_device *dev_cs89x0;
 
@@ -1900,7 +1916,78 @@ cleanup_module(void)
 	release_region(dev_cs89x0->base_addr, NETCARD_IO_EXTENT);
 	free_netdev(dev_cs89x0);
 }
-#endif /* MODULE */
+#endif /* MODULE && !CONFIG_CS89x0_PLATFORM */
+
+#ifdef CONFIG_CS89x0_PLATFORM
+static int cs89x0_platform_probe(struct platform_device *pdev)
+{
+	struct net_device *dev = alloc_etherdev(sizeof(struct net_local));
+	struct resource *mem_res;
+	struct resource *irq_res;
+	int err;
+
+	if (!dev)
+		return -ENODEV;
+
+	if (atomic_inc_return(&platform_dev_cnt) != 1)
+		return -EBUSY;
+
+	mem_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	irq_res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
+	if (mem_res == NULL || irq_res == NULL) {
+		pr_warning("memory and/or interrupt resource missing.\n");
+		err = -ENOENT;
+		goto out;
+	}
+
+	cs8900_irq_map[0] = irq_res->start;
+	err = cs89x0_probe1(dev, mem_res->start, 0);
+	if (err) {
+		pr_warning("no cs8900 or cs8920 detected.\n");
+		goto out;
+	}
+
+	platform_set_drvdata(pdev, dev);
+	return 0;
+
+out:
+	free_netdev(dev);
+	return err;
+}
+
+static int cs89x0_platform_remove(struct platform_device *pdev)
+{
+	struct net_device *dev = platform_get_drvdata(pdev);
+
+	unregister_netdev(dev);
+	free_netdev(dev);
+	return 0;
+}
+
+static struct platform_driver cs89x0_platform_driver = {
+	.driver = {
+		.name	= DRV_NAME,
+		.owner	= THIS_MODULE
+	},
+	.probe	= cs89x0_platform_probe,
+	.remove	= cs89x0_platform_remove
+};
+
+static int __init cs89x0_init(void)
+{
+	return platform_driver_register(&cs89x0_platform_driver);
+}
+
+module_init(cs89x0_init);
+
+static void __exit cs89x0_cleanup(void)
+{
+	platform_driver_unregister(&cs89x0_platform_driver);
+}
+
+module_exit(cs89x0_cleanup);
+
+#endif /* CONFIG_CS89x0_PLATFORM */
 
 /*
  * Local variables:
@@ -1911,3 +1998,4 @@ cleanup_module(void)
  * End:
  *
  */
+
