2 * PowerMac MacIO device emulation
4 * Copyright (c) 2005-2007 Fabrice Bellard
5 * Copyright (c) 2007 Jocelyn Mayer
7 * Permission is hereby granted, free of charge, to any person obtaining a copy
8 * of this software and associated documentation files (the "Software"), to deal
9 * in the Software without restriction, including without limitation the rights
10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
11 * copies of the Software, and to permit persons to whom the Software is
12 * furnished to do so, subject to the following conditions:
14 * The above copyright notice and this permission notice shall be included in
15 * all copies or substantial portions of the Software.
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
30 typedef struct macio_state_t macio_state_t
;
31 struct macio_state_t
{
34 MemoryRegion
*pic_mem
;
35 MemoryRegion
*dbdma_mem
;
36 MemoryRegion
*cuda_mem
;
37 MemoryRegion
*escc_mem
;
40 MemoryRegion
*ide_mem
[4];
43 static void macio_bar_setup(macio_state_t
*macio_state
)
46 MemoryRegion
*bar
= &macio_state
->bar
;
48 memory_region_init(bar
, "macio", 0x80000);
49 if (macio_state
->pic_mem
) {
50 if (macio_state
->is_oldworld
) {
52 memory_region_add_subregion(bar
, 0x00000, macio_state
->pic_mem
);
55 memory_region_add_subregion(bar
, 0x40000, macio_state
->pic_mem
);
58 if (macio_state
->dbdma_mem
) {
59 memory_region_add_subregion(bar
, 0x08000, macio_state
->dbdma_mem
);
61 if (macio_state
->escc_mem
) {
62 memory_region_add_subregion(bar
, 0x13000, macio_state
->escc_mem
);
64 if (macio_state
->cuda_mem
) {
65 memory_region_add_subregion(bar
, 0x16000, macio_state
->cuda_mem
);
67 for (i
= 0; i
< macio_state
->nb_ide
; i
++) {
68 if (macio_state
->ide_mem
[i
]) {
69 memory_region_add_subregion(bar
, 0x1f000 + (i
* 0x1000),
70 macio_state
->ide_mem
[i
]);
73 if (macio_state
->nvram
!= NULL
)
74 macio_nvram_setup_bar(macio_state
->nvram
, bar
, 0x60000);
77 void macio_init (PCIBus
*bus
, int device_id
, int is_oldworld
,
78 MemoryRegion
*pic_mem
, MemoryRegion
*dbdma_mem
,
79 MemoryRegion
*cuda_mem
, void *nvram
,
80 int nb_ide
, MemoryRegion
**ide_mem
,
81 MemoryRegion
*escc_mem
)
84 macio_state_t
*macio_state
;
87 d
= pci_register_device(bus
, "macio",
88 sizeof(PCIDevice
) + sizeof(macio_state_t
),
90 macio_state
= (macio_state_t
*)(d
+ 1);
91 macio_state
->is_oldworld
= is_oldworld
;
92 macio_state
->pic_mem
= pic_mem
;
93 macio_state
->dbdma_mem
= dbdma_mem
;
94 macio_state
->cuda_mem
= cuda_mem
;
95 macio_state
->escc_mem
= escc_mem
;
96 macio_state
->nvram
= nvram
;
99 macio_state
->nb_ide
= nb_ide
;
100 for (i
= 0; i
< nb_ide
; i
++)
101 macio_state
->ide_mem
[i
] = ide_mem
[i
];
103 macio_state
->ide_mem
[i
] = NULL
;
104 /* Note: this code is strongly inspirated from the corresponding code
107 pci_config_set_vendor_id(d
->config
, PCI_VENDOR_ID_APPLE
);
108 pci_config_set_device_id(d
->config
, device_id
);
109 pci_config_set_class(d
->config
, PCI_CLASS_OTHERS
<< 8);
111 d
->config
[0x3d] = 0x01; // interrupt on pin 1
113 macio_bar_setup(macio_state
);
114 pci_register_bar_region(d
, 0, PCI_BASE_ADDRESS_SPACE_MEMORY
,