#include <linux/io.h>
 #include <linux/irq.h>
 #include <linux/platform_device.h>
+#include <linux/smsc911x.h>
+#include <mach/irqs.h>
 #include <mach/sh73a0.h>
 #include <mach/common.h>
 #include <asm/hardware/cache-l2x0.h>
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
 
+/* SMSC 9221 */
+static struct resource smsc9221_resources[] = {
+       [0] = {
+               .start  = 0x10000000, /* CS4 */
+               .end    = 0x100000ff,
+               .flags  = IORESOURCE_MEM,
+       },
+       [1] = {
+               .start  = intcs_evt2irq(0x260), /* IRQ3 */
+               .flags  = IORESOURCE_IRQ,
+       },
+};
+
+static struct smsc911x_platform_config smsc9221_platdata = {
+       .flags          = SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS,
+       .phy_interface  = PHY_INTERFACE_MODE_MII,
+       .irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
+       .irq_type       = SMSC911X_IRQ_TYPE_PUSH_PULL,
+};
+
+static struct platform_device smsc_device = {
+       .name           = "smsc911x",
+       .dev  = {
+               .platform_data = &smsc9221_platdata,
+       },
+       .resource       = smsc9221_resources,
+       .num_resources  = ARRAY_SIZE(smsc9221_resources),
+};
+
 static struct platform_device *kzm_devices[] __initdata = {
+       &smsc_device,
 };
 
 static void __init kzm_init(void)
        gpio_request(GPIO_FN_SCIFA4_RTS_, NULL);
        gpio_request(GPIO_FN_SCIFA4_CTS_, NULL);
 
+       /* CS4 for SMSC/USB */
+       gpio_request(GPIO_FN_CS4_, NULL); /* CS4 */
+
+       /* SMSC */
+       gpio_request(GPIO_PORT224, NULL); /* IRQ3 */
+       gpio_direction_input(GPIO_PORT224);
+
 #ifdef CONFIG_CACHE_L2X0
        /* Early BRESP enable, Shared attribute override enable, 64K*8way */
        l2x0_init(IOMEM(0xf0100000), 0x40460000, 0x82000fff);