include/hw/misc/armsse-mhu.h

   1 /*
   2  * ARM SSE-200 Message Handling Unit (MHU)
   3  *
   4  * Copyright (c) 2019 Linaro Limited
   5  * Written by Peter Maydell
   6  *
   7  *  This program is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License version 2 or
   9  *  (at your option) any later version.
  10  */
  11
  12 /*
  13  * This is a model of the Message Handling Unit (MHU) which is part of the
  14  * Arm SSE-200 and documented in
  15  * http://infocenter.arm.com/help/topic/com.arm.doc.101104_0100_00_en/corelink_sse200_subsystem_for_embedded_technical_reference_manual_101104_0100_00_en.pdf
  16  *
  17  * QEMU interface:
  18  *  + sysbus MMIO region 0: the system information register bank
  19  *  + sysbus IRQ 0: interrupt for CPU 0
  20  *  + sysbus IRQ 1: interrupt for CPU 1
  21  */
  22
  23 #ifndef HW_MISC_ARMSSE_MHU_H
  24 #define HW_MISC_ARMSSE_MHU_H
  25
  26 #include "hw/sysbus.h"
  27
  28 #define TYPE_ARMSSE_MHU "armsse-mhu"
  29 #define ARMSSE_MHU(obj) OBJECT_CHECK(ARMSSEMHU, (obj), TYPE_ARMSSE_MHU)
  30
  31 typedef struct ARMSSEMHU {
  32     /*< private >*/
  33     SysBusDevice parent_obj;
  34
  35     /*< public >*/
  36     MemoryRegion iomem;
  37     qemu_irq cpu0irq;
  38     qemu_irq cpu1irq;
  39
  40     uint32_t cpu0intr;
  41     uint32_t cpu1intr;
  42 } ARMSSEMHU;
  43
  44 #endif