microblaze: Add petalogix s3a1800dsp MMU linux ref-design.

This setup was designed by petalogix and is supported by upstream linux.
The design targets a xilinx spartan-3a-1800 dsp board with MMU.

Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>

1 files changed, 50 insertions, 0 deletions

diff --git a/hw/xilinx.h b/hw/xilinx.h
new file mode 100644
index 0000000..9707a0e
--- /dev/null
+++ b/hw/xilinx.h
@@ -0,0 +1,50 @@
+
+/* OPB Interrupt Controller.  */
+qemu_irq *microblaze_pic_init_cpu(CPUState *env);
+
+static inline DeviceState *
+xilinx_intc_create(target_phys_addr_t base, qemu_irq irq, int kind_of_intr)
+{
+    DeviceState *dev;
+
+    dev = qdev_create(NULL, "xilinx,intc");
+    qdev_set_prop_int(dev, "kind-of-intr", kind_of_intr);
+    qdev_init(dev);
+    sysbus_mmio_map(sysbus_from_qdev(dev), 0, base);
+    sysbus_connect_irq(sysbus_from_qdev(dev), 0, irq);
+    return dev;
+}
+
+/* OPB Timer/Counter.  */
+static inline DeviceState *
+xilinx_timer_create(target_phys_addr_t base, qemu_irq irq, int nr, int freq)
+{
+    DeviceState *dev;
+
+    dev = qdev_create(NULL, "xilinx,timer");
+    qdev_set_prop_int(dev, "nr-timers", nr);
+    qdev_set_prop_int(dev, "frequency", freq);
+    qdev_init(dev);
+    sysbus_mmio_map(sysbus_from_qdev(dev), 0, base);
+    sysbus_connect_irq(sysbus_from_qdev(dev), 0, irq);
+    return dev;
+}
+
+/* XPS Ethernet Lite MAC.  */
+static inline DeviceState *
+xilinx_ethlite_create(NICInfo *nd, target_phys_addr_t base, qemu_irq irq,
+                      int txpingpong, int rxpingpong)
+{
+    DeviceState *dev;
+
+    qemu_check_nic_model(nd, "xilinx-ethlite");
+
+    dev = qdev_create(NULL, "xilinx,ethlite");
+    qdev_set_netdev(dev, nd);
+    qdev_set_prop_int(dev, "txpingpong", txpingpong);
+    qdev_set_prop_int(dev, "rxpingpong", rxpingpong);
+    qdev_init(dev);
+    sysbus_mmio_map(sysbus_from_qdev(dev), 0, base);
+    sysbus_connect_irq(sysbus_from_qdev(dev), 0, irq);
+    return dev;
+}