| 1 | /* |
| 2 | * SPDX-License-Identifier: GPL-2.0-or-later |
| 3 | * Copyright (C) 2024 IBM Corp. |
| 4 | * |
| 5 | * IBM Local bus and connected device structures. |
| 6 | */ |
| 7 | #ifndef FSI_LBUS_H |
| 8 | #define FSI_LBUS_H |
| 9 | |
| 10 | #include "hw/core/qdev.h" |
| 11 | #include "qemu/units.h" |
| 12 | #include "system/memory.h" |
| 13 | |
| 14 | #define TYPE_FSI_LBUS_DEVICE "fsi.lbus.device" |
| 15 | OBJECT_DECLARE_SIMPLE_TYPE(FSILBusDevice, FSI_LBUS_DEVICE) |
| 16 | |
| 17 | typedef struct FSILBusDevice { |
| 18 | DeviceState parent; |
| 19 | |
| 20 | MemoryRegion iomem; |
| 21 | } FSILBusDevice; |
| 22 | |
| 23 | #define TYPE_FSI_LBUS "fsi.lbus" |
| 24 | OBJECT_DECLARE_SIMPLE_TYPE(FSILBus, FSI_LBUS) |
| 25 | |
| 26 | typedef struct FSILBus { |
| 27 | BusState bus; |
| 28 | |
| 29 | MemoryRegion mr; |
| 30 | } FSILBus; |
| 31 | |
| 32 | #define TYPE_FSI_SCRATCHPAD "fsi.scratchpad" |
| 33 | #define SCRATCHPAD(obj) OBJECT_CHECK(FSIScratchPad, (obj), TYPE_FSI_SCRATCHPAD) |
| 34 | |
| 35 | #define FSI_SCRATCHPAD_NR_REGS 4 |
| 36 | |
| 37 | typedef struct FSIScratchPad { |
| 38 | FSILBusDevice parent; |
| 39 | |
| 40 | uint32_t regs[FSI_SCRATCHPAD_NR_REGS]; |
| 41 | } FSIScratchPad; |
| 42 | |
| 43 | #endif /* FSI_LBUS_H */ |