hw/mips: implement generic MIPS Coherent Processing System container

Implement generic MIPS Coherent Processing System (CPS) which in this
commit just creates VPs, but it will serve as a container also for
other components like Global Configuration Registers and Cluster Power
Controller.

Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>

include/hw/mips/cps.h

@@ -0,0 +1,40 @@
+/*
+ * Coherent Processing System emulation.
+ *
+ * Copyright (c) 2016 Imagination Technologies
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef MIPS_CPS_H
+#define MIPS_CPS_H
+
+#include "hw/sysbus.h"
+
+#define TYPE_MIPS_CPS "mips-cps"
+#define MIPS_CPS(obj) OBJECT_CHECK(MIPSCPSState, (obj), TYPE_MIPS_CPS)
+
+typedef struct MIPSCPSState {
+    SysBusDevice parent_obj;
+
+    uint32_t num_vp;
+    uint32_t num_irq;
+    char *cpu_model;
+
+    MemoryRegion container;
+} MIPSCPSState;
+
+qemu_irq get_cps_irq(MIPSCPSState *cps, int pin_number);
+
+#endif