Merge tag 'or1k-pull-request-20220515' of https://github.com/stffrdhrn/qemu into...
[qemu.git] / 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 * https://developer.arm.com/documentation/101104/latest/
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 #include "qom/object.h"
28
29 #define TYPE_ARMSSE_MHU "armsse-mhu"
30 OBJECT_DECLARE_SIMPLE_TYPE(ARMSSEMHU, ARMSSE_MHU)
31
32 struct ARMSSEMHU {
33 /*< private >*/
34 SysBusDevice parent_obj;
35
36 /*< public >*/
37 MemoryRegion iomem;
38 qemu_irq cpu0irq;
39 qemu_irq cpu1irq;
40
41 uint32_t cpu0intr;
42 uint32_t cpu1intr;
43 };
44
45 #endif