diff --git a/hw/axis_dev88.c b/hw/axis_dev88.c
index 3ed20665da..5a913ec238 100644
--- a/hw/axis_dev88.c
+++ b/hw/axis_dev88.c
@@ -21,15 +21,12 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  * THE SOFTWARE.
  */
-#include <time.h>
-#include <sys/time.h>
-#include "hw.h"
+
+#include "sysbus.h"
 #include "net.h"
 #include "flash.h"
-#include "sysemu.h"
-#include "devices.h"
 #include "boards.h"
-
+#include "sysemu.h"
 #include "etraxfs.h"
 
 #define D(x)
@@ -323,10 +320,8 @@ void axisdev88_init (ram_addr_t ram_size,
     etraxfs_timer_init(env, irq + 0x1b, nmi + 1, 0x3005e000);
 
     for (i = 0; i < 4; i++) {
-        if (serial_hds[i]) {
-            etraxfs_ser_init(env, irq + 0x14 + i,
-                             serial_hds[i], 0x30026000 + i * 0x2000);
-        }
+        sysbus_create_simple("etraxfs,serial", 0x30026000 + i * 0x2000,
+                             irq[0x14 + i]); 
     }
 
     if (kernel_filename) {
diff --git a/hw/etraxfs.c b/hw/etraxfs.c
index 52428d144f..72b54cf0b1 100644
--- a/hw/etraxfs.c
+++ b/hw/etraxfs.c
@@ -21,15 +21,11 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  * THE SOFTWARE.
  */
-#include <time.h>
-#include <sys/time.h>
-#include "hw.h"
-#include "net.h"
-#include "flash.h"
-#include "sysemu.h"
-#include "devices.h"
-#include "boards.h"
 
+#include "sysbus.h"
+#include "boards.h"
+#include "sysemu.h"
+#include "net.h"
 #include "etraxfs.h"
 
 #define FLASH_SIZE 0x2000000
@@ -114,10 +110,8 @@ void bareetraxfs_init (ram_addr_t ram_size,
     etraxfs_timer_init(env, irq + 0x1b, nmi + 1, 0x3005e000);
 
     for (i = 0; i < 4; i++) {
-        if (serial_hds[i]) {
-            etraxfs_ser_init(env, irq + 0x14 + i,
-                             serial_hds[i], 0x30026000 + i * 0x2000);
-        }
+        sysbus_create_simple("etraxfs,serial", 0x30026000 + i * 0x2000,
+                             irq[0x14 + i]); 
     }
 
     if (kernel_filename) {
diff --git a/hw/etraxfs.h b/hw/etraxfs.h
index 247cb695f8..c447922a36 100644
--- a/hw/etraxfs.h
+++ b/hw/etraxfs.h
@@ -29,5 +29,5 @@ void etraxfs_timer_init(CPUState *env, qemu_irq *irqs, qemu_irq *nmi,
                         target_phys_addr_t base);
 void *etraxfs_eth_init(NICInfo *nd, CPUState *env,
                        qemu_irq *irq, target_phys_addr_t base, int phyaddr);
-void etraxfs_ser_init(CPUState *env, qemu_irq *irq, CharDriverState *chr,
-                      target_phys_addr_t base);
+//void etraxfs_ser_init(CPUState *env, qemu_irq *irq, CharDriverState *chr,
+//                      target_phys_addr_t base);
diff --git a/hw/etraxfs_ser.c b/hw/etraxfs_ser.c
index 80091d5719..105b510025 100644
--- a/hw/etraxfs_ser.c
+++ b/hw/etraxfs_ser.c
@@ -22,11 +22,8 @@
  * THE SOFTWARE.
  */
 
-#include <stdio.h>
-#include <ctype.h>
-#include "hw.h"
+#include "sysbus.h"
 #include "qemu-char.h"
-#include "etraxfs.h"
 
 #define D(x)
 
@@ -48,9 +45,9 @@
 
 struct etrax_serial
 {
-	CPUState *env;
+	SysBusDevice busdev;
 	CharDriverState *chr;
-	qemu_irq *irq;
+	qemu_irq irq;
 
 	/* This pending thing is a hack.  */
 	int pending_tx;
@@ -64,7 +61,7 @@ static void ser_update_irq(struct etrax_serial *s)
 	s->regs[R_INTR] &= ~(s->regs[RW_ACK_INTR]);
 	s->regs[R_MASKED_INTR] = s->regs[R_INTR] & s->regs[RW_INTR_MASK];
 
-	qemu_set_irq(s->irq[0], !!s->regs[R_MASKED_INTR]);
+	qemu_set_irq(s->irq, !!s->regs[R_MASKED_INTR]);
 	s->regs[RW_ACK_INTR] = 0;
 }
 
@@ -164,25 +161,29 @@ static void serial_event(void *opaque, int event)
 
 }
 
-void etraxfs_ser_init(CPUState *env, qemu_irq *irq, CharDriverState *chr,
-		      target_phys_addr_t base)
+static void etraxfs_ser_init(SysBusDevice *dev)
 {
-	struct etrax_serial *s;
+	struct etrax_serial *s = FROM_SYSBUS(typeof (*s), dev);
 	int ser_regs;
 
-	s = qemu_mallocz(sizeof *s);
-
-	s->env = env;
-	s->irq = irq;
-	s->chr = chr;
-
 	/* transmitter begins ready and idle.  */
 	s->regs[RS_STAT_DIN] |= (1 << STAT_TR_RDY);
 	s->regs[RS_STAT_DIN] |= (1 << STAT_TR_IDLE);
 
-	qemu_chr_add_handlers(chr, serial_can_receive, serial_receive,
-			      serial_event, s);
-
+	sysbus_init_irq(dev, &s->irq);
 	ser_regs = cpu_register_io_memory(0, ser_read, ser_write, s);
-	cpu_register_physical_memory (base, R_MAX * 4, ser_regs);
+	sysbus_init_mmio(dev, R_MAX * 4, ser_regs);
+	s->chr = qdev_init_chardev(&dev->qdev);
+	if (s->chr)
+		qemu_chr_add_handlers(s->chr,
+				      serial_can_receive, serial_receive,
+				      serial_event, s);
 }
+
+static void etraxfs_serial_register(void)
+{
+	sysbus_register_dev("etraxfs,serial", sizeof (struct etrax_serial),
+			    etraxfs_ser_init);
+}
+
+device_init(etraxfs_serial_register)