diff --git a/hw/watchdog/Makefile.objs b/hw/watchdog/Makefile.objs
index 72e3ffd93c59..9589bed63a3d 100644
--- a/hw/watchdog/Makefile.objs
+++ b/hw/watchdog/Makefile.objs
@@ -2,3 +2,4 @@ common-obj-y += watchdog.o
 common-obj-$(CONFIG_WDT_IB6300ESB) += wdt_i6300esb.o
 common-obj-$(CONFIG_WDT_IB700) += wdt_ib700.o
 common-obj-$(CONFIG_WDT_DIAG288) += wdt_diag288.o
+common-obj-$(CONFIG_ASPEED_SOC) += wdt_aspeed.o
diff --git a/hw/watchdog/wdt_aspeed.c b/hw/watchdog/wdt_aspeed.c
new file mode 100644
index 000000000000..cdba3983b7af
--- /dev/null
+++ b/hw/watchdog/wdt_aspeed.c
@@ -0,0 +1,212 @@
+/*
+ * Copyright 2016 IBM Corporation
+ *
+ * This code is licensed under the GPL version 2 or later.  See
+ * the COPYING file in the top-level directory.
+ */
+
+#include "qemu/osdep.h"
+#include "qemu/log.h"
+#include "sysemu/watchdog.h"
+#include "hw/sysbus.h"
+#include "qemu/timer.h"
+#include "hw/watchdog/wdt_aspeed.h"
+
+#define WDT_IO_REGION_SIZE      0x20
+
+#define WDT_STATUS              0x00
+#define WDT_RELOAD_VALUE        0x04
+#define WDT_RESTART             0x08
+#define WDT_CTRL                0x0C
+#define WDT_TIMEOUT_STATUS      0x10
+#define WDT_TIMEOUT_CLEAR       0x14
+#define WDT_RESET_WDITH         0x18
+
+#define WDT_RESTART_MAGIC       0x4755
+
+static uint64_t aspeed_wdt_read(void *opaque, hwaddr offset, unsigned size)
+{
+    AspeedWDTState *s = ASPEED_WDT(opaque);
+
+    switch (offset) {
+    case WDT_STATUS:
+        return s->reg_status;
+    case WDT_RELOAD_VALUE:
+        return s->reg_reload_value;
+    case WDT_RESTART:
+        qemu_log_mask(LOG_GUEST_ERROR,
+                      "%s: read from write-only reg at offset 0x%"
+                      HWADDR_PRIx "\n", __func__, offset);
+        return 0;
+    case WDT_CTRL:
+        return s->reg_ctrl;
+    case WDT_TIMEOUT_STATUS:
+    case WDT_TIMEOUT_CLEAR:
+    case WDT_RESET_WDITH:
+        qemu_log_mask(LOG_UNIMP,
+                      "%s: uninmplemented read at offset 0x%" HWADDR_PRIx "\n",
+                      __func__, offset);
+        return 0;
+    default:
+        qemu_log_mask(LOG_GUEST_ERROR,
+                      "%s: Out-of-bounds read at offset 0x%" HWADDR_PRIx "\n",
+                      __func__, offset);
+        return 0;
+    }
+
+}
+
+#define PCLK_HZ 24000000
+
+static void aspeed_wdt_write(void *opaque, hwaddr offset, uint64_t data,
+                             unsigned size)
+{
+    AspeedWDTState *s = ASPEED_WDT(opaque);
+    bool en = data & BIT(0);
+    bool pclk = !(data & BIT(4));
+
+    switch (offset) {
+    case WDT_STATUS:
+        qemu_log_mask(LOG_GUEST_ERROR,
+                      "%s: write to read-only reg at offset 0x%"
+                      HWADDR_PRIx "\n", __func__, offset);
+        break;
+    case WDT_RELOAD_VALUE:
+        s->reg_reload_value = data;
+        break;
+    case WDT_RESTART:
+        if ((data & 0xFFFF) == 0x4755) {
+            uint32_t reload;
+
+            s->reg_status = s->reg_reload_value;
+
+            if (pclk) {
+                reload = muldiv64(s->reg_reload_value, NANOSECONDS_PER_SECOND,
+                                  PCLK_HZ) ;
+            } else {
+                reload = s->reg_reload_value * 1000;
+            }
+
+            if (s->enabled) {
+                timer_mod(s->timer,
+                          qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + reload);
+            }
+        }
+        break;
+    case WDT_CTRL:
+        if (en && !s->enabled) {
+            uint32_t reload;
+
+            if (pclk) {
+                reload = muldiv64(s->reg_reload_value, NANOSECONDS_PER_SECOND,
+                                  PCLK_HZ);
+            } else {
+                reload = s->reg_reload_value * 1000;
+            }
+
+            s->enabled = true;
+            timer_mod(s->timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + reload);
+        } else if (!en && s->enabled) {
+            s->enabled = false;
+            timer_del(s->timer);
+        }
+        break;
+    case WDT_TIMEOUT_STATUS:
+    case WDT_TIMEOUT_CLEAR:
+    case WDT_RESET_WDITH:
+        qemu_log_mask(LOG_UNIMP,
+                      "%s: uninmplemented write at offset 0x%" HWADDR_PRIx "\n",
+                      __func__, offset);
+        break;
+    default:
+        qemu_log_mask(LOG_GUEST_ERROR,
+                      "%s: Out-of-bounds write at offset 0x%" HWADDR_PRIx "\n",
+                      __func__, offset);
+    }
+    return;
+}
+
+static WatchdogTimerModel model = {
+    .wdt_name = TYPE_ASPEED_WDT,
+    .wdt_description = "aspeed watchdog device",
+};
+
+static const VMStateDescription vmstate_aspeed_wdt = {
+    .name = "vmstate_aspeed_wdt",
+    .version_id = 0,
+    .minimum_version_id = 0,
+    .fields = (VMStateField[]) {
+        VMSTATE_TIMER_PTR(timer, AspeedWDTState),
+        VMSTATE_BOOL(enabled, AspeedWDTState),
+        VMSTATE_END_OF_LIST()
+    }
+};
+
+static const MemoryRegionOps aspeed_wdt_ops = {
+    .read = aspeed_wdt_read,
+    .write = aspeed_wdt_write,
+    .endianness = DEVICE_LITTLE_ENDIAN,
+    .valid.min_access_size = 4,
+    .valid.max_access_size = 4,
+    .valid.unaligned = false,
+};
+
+static void aspeed_wdt_reset(DeviceState *dev)
+{
+    AspeedWDTState *s = ASPEED_WDT(dev);
+
+    s->reg_status = 0x3EF1480;
+    s->reg_reload_value = 0x03EF1480;
+    s->reg_restart = 0;
+    s->reg_ctrl = 0;
+
+    s->enabled = false;
+    timer_del(s->timer);
+}
+
+static void aspeed_wdt_timer_expired(void *dev)
+{
+    AspeedWDTState *s = ASPEED_WDT(dev);
+
+    qemu_log_mask(CPU_LOG_RESET, "Watchdog timer expired.\n");
+    watchdog_perform_action();
+    timer_del(s->timer);
+}
+
+static void aspeed_wdt_realize(DeviceState *dev, Error **errp)
+{
+    SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
+    AspeedWDTState *s = ASPEED_WDT(dev);
+
+    s->timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, aspeed_wdt_timer_expired,
+                            dev);
+
+    memory_region_init_io(&s->iomem, OBJECT(s), &aspeed_wdt_ops, s,
+                          TYPE_ASPEED_WDT, WDT_IO_REGION_SIZE);
+    sysbus_init_mmio(sbd, &s->iomem);
+}
+
+static void aspeed_wdt_class_init(ObjectClass *klass, void *data)
+{
+    DeviceClass *dc = DEVICE_CLASS(klass);
+
+    dc->realize = aspeed_wdt_realize;
+    dc->reset = aspeed_wdt_reset;
+    set_bit(DEVICE_CATEGORY_MISC, dc->categories);
+    dc->vmsd = &vmstate_aspeed_wdt;
+}
+
+static const TypeInfo aspeed_wdt_info = {
+    .parent = TYPE_SYS_BUS_DEVICE,
+    .name  = TYPE_ASPEED_WDT,
+    .instance_size  = sizeof(AspeedWDTState),
+    .class_init = aspeed_wdt_class_init,
+};
+
+static void wdt_aspeed_register_types(void)
+{
+    watchdog_add_model(&model);
+    type_register_static(&aspeed_wdt_info);
+}
+
+type_init(wdt_aspeed_register_types)
diff --git a/include/hw/watchdog/wdt_aspeed.h b/include/hw/watchdog/wdt_aspeed.h
new file mode 100644
index 000000000000..dbf45ae968db
--- /dev/null
+++ b/include/hw/watchdog/wdt_aspeed.h
@@ -0,0 +1,41 @@
+/*
+ * ASPEED Watchdog Controller
+ *
+ * Copyright (C) 2016 IBM Corp.
+ *
+ * This code is licensed under the GPL version 2 or later. See the
+ * COPYING file in the top-level directory.
+ */
+#ifndef ASPEED_WDT_H
+#define ASPEED_WDT_H
+
+#include "hw/sysbus.h"
+
+#define TYPE_ASPEED_WDT "aspeed.wdt"
+#define ASPEED_WDT(obj) \
+    OBJECT_CHECK(AspeedWDTState, (obj), TYPE_ASPEED_WDT)
+#define ASPEED_WDT_CLASS(klass) \
+    OBJECT_CLASS_CHECK(AspeedWDTClass, (klass), TYPE_ASPEED_WDT)
+#define ASPEED_WDT_GET_CLASS(obj) \
+    OBJECT_GET_CLASS(AspeedWDTClass, (obj), TYPE_ASPEED_WDT)
+
+#define WDT_ASPEED_INIT      0
+#define WDT_ASPEED_CHANGE    1
+#define WDT_ASPEED_CANCEL    2
+
+typedef struct AspeedWDTState {
+    /*< private >*/
+    SysBusDevice parent_obj;
+    QEMUTimer *timer;
+    bool enabled;
+
+    /*< public >*/
+    MemoryRegion iomem;
+
+    uint32_t reg_status;
+    uint32_t reg_reload_value;
+    uint32_t reg_restart;
+    uint32_t reg_ctrl;
+} AspeedWDTState;
+
+#endif  /* ASPEED_WDT_H */
