Merge remote-tracking branch 'remotes/vivier/tags/trivial-branch-for-6.2-pull-request...
[qemu.git] / include / hw / nubus / nubus.h
1 /*
2 * Copyright (c) 2013-2018 Laurent Vivier <laurent@vivier.eu>
3 *
4 * This work is licensed under the terms of the GNU GPL, version 2 or later.
5 * See the COPYING file in the top-level directory.
6 *
7 */
8
9 #ifndef HW_NUBUS_NUBUS_H
10 #define HW_NUBUS_NUBUS_H
11
12 #include "hw/qdev-properties.h"
13 #include "exec/address-spaces.h"
14 #include "qom/object.h"
15
16 #define NUBUS_SUPER_SLOT_SIZE 0x10000000U
17 #define NUBUS_SUPER_SLOT_NB 0x9
18
19 #define NUBUS_SLOT_SIZE 0x01000000
20 #define NUBUS_SLOT_NB 0xF
21
22 #define NUBUS_FIRST_SLOT 0x9
23 #define NUBUS_LAST_SLOT 0xF
24
25 #define TYPE_NUBUS_DEVICE "nubus-device"
26 OBJECT_DECLARE_SIMPLE_TYPE(NubusDevice, NUBUS_DEVICE)
27
28 #define TYPE_NUBUS_BUS "nubus-bus"
29 OBJECT_DECLARE_SIMPLE_TYPE(NubusBus, NUBUS_BUS)
30
31 #define TYPE_NUBUS_BRIDGE "nubus-bridge"
32
33 struct NubusBus {
34 BusState qbus;
35
36 MemoryRegion super_slot_io;
37 MemoryRegion slot_io;
38
39 int current_slot;
40 };
41
42 struct NubusDevice {
43 DeviceState qdev;
44
45 int slot_nb;
46 MemoryRegion slot_mem;
47
48 /* Format Block */
49
50 MemoryRegion fblock_io;
51
52 uint32_t rom_length;
53 uint32_t rom_crc;
54 uint8_t rom_rev;
55 uint8_t rom_format;
56 uint8_t byte_lanes;
57 int32_t directory_offset;
58
59 /* ROM */
60
61 MemoryRegion rom_io;
62 const uint8_t *rom;
63 };
64
65 void nubus_register_rom(NubusDevice *dev, const uint8_t *rom, uint32_t size,
66 int revision, int format, uint8_t byte_lanes);
67
68 #endif