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502a5395
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1/*
2 * QEMU Uninorth PCI host (for all Mac99 and newer machines)
3 *
4 * Copyright (c) 2006 Fabrice Bellard
5fafdf24 5 *
502a5395
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6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
87ecb68b
PB
24#include "hw.h"
25#include "ppc_mac.h"
26#include "pci.h"
4f5e19e6 27#include "pci_host.h"
87ecb68b 28
f3902383
BS
29/* debug UniNorth */
30//#define DEBUG_UNIN
31
32#ifdef DEBUG_UNIN
001faf32
BS
33#define UNIN_DPRINTF(fmt, ...) \
34 do { printf("UNIN: " fmt , ## __VA_ARGS__); } while (0)
f3902383 35#else
001faf32 36#define UNIN_DPRINTF(fmt, ...)
f3902383
BS
37#endif
38
2e29bd04
BS
39typedef struct UNINState {
40 SysBusDevice busdev;
41 PCIHostState host_state;
42} UNINState;
502a5395 43
d2b59317
PB
44/* Don't know if this matches real hardware, but it agrees with OHW. */
45static int pci_unin_map_irq(PCIDevice *pci_dev, int irq_num)
502a5395 46{
d2b59317
PB
47 return (irq_num + (pci_dev->devfn >> 3)) & 3;
48}
49
5d4e84c8 50static void pci_unin_set_irq(void *opaque, int irq_num, int level)
d2b59317 51{
5d4e84c8
JQ
52 qemu_irq *pic = opaque;
53
d537cf6c 54 qemu_set_irq(pic[irq_num + 8], level);
502a5395
PB
55}
56
f3902383
BS
57static void pci_unin_save(QEMUFile* f, void *opaque)
58{
59 PCIDevice *d = opaque;
60
61 pci_device_save(d, f);
62}
63
64static int pci_unin_load(QEMUFile* f, void *opaque, int version_id)
65{
66 PCIDevice *d = opaque;
67
68 if (version_id != 1)
69 return -EINVAL;
70
71 return pci_device_load(d, f);
72}
73
74static void pci_unin_reset(void *opaque)
75{
76}
77
81a322d4 78static int pci_unin_main_init_device(SysBusDevice *dev)
502a5395
PB
79{
80 UNINState *s;
502a5395
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81 int pci_mem_config, pci_mem_data;
82
83 /* Use values found on a real PowerMac */
84 /* Uninorth main bus */
2e29bd04 85 s = FROM_SYSBUS(UNINState, dev);
502a5395 86
f08b32fe
IY
87 pci_mem_config = pci_host_conf_register_mmio(&s->host_state);
88 pci_mem_data = pci_host_data_register_mmio(&s->host_state);
2e29bd04
BS
89 sysbus_init_mmio(dev, 0x1000, pci_mem_config);
90 sysbus_init_mmio(dev, 0x1000, pci_mem_data);
91
92 register_savevm("uninorth", 0, 1, pci_unin_save, pci_unin_load, &s->host_state);
93 qemu_register_reset(pci_unin_reset, &s->host_state);
81a322d4 94 return 0;
2e29bd04
BS
95}
96
81a322d4 97static int pci_dec_21154_init_device(SysBusDevice *dev)
2e29bd04
BS
98{
99 UNINState *s;
100 int pci_mem_config, pci_mem_data;
101
102 /* Uninorth bridge */
103 s = FROM_SYSBUS(UNINState, dev);
104
105 // XXX: s = &pci_bridge[2];
f08b32fe
IY
106 pci_mem_config = pci_host_conf_register_mmio_noswap(&s->host_state);
107 pci_mem_data = pci_host_data_register_mmio(&s->host_state);
2e29bd04
BS
108 sysbus_init_mmio(dev, 0x1000, pci_mem_config);
109 sysbus_init_mmio(dev, 0x1000, pci_mem_data);
81a322d4 110 return 0;
2e29bd04
BS
111}
112
81a322d4 113static int pci_unin_agp_init_device(SysBusDevice *dev)
2e29bd04
BS
114{
115 UNINState *s;
116 int pci_mem_config, pci_mem_data;
117
118 /* Uninorth AGP bus */
119 s = FROM_SYSBUS(UNINState, dev);
120
f08b32fe
IY
121 pci_mem_config = pci_host_conf_register_mmio_noswap(&s->host_state);
122 pci_mem_data = pci_host_data_register_mmio(&s->host_state);
2e29bd04
BS
123 sysbus_init_mmio(dev, 0x1000, pci_mem_config);
124 sysbus_init_mmio(dev, 0x1000, pci_mem_data);
81a322d4 125 return 0;
2e29bd04
BS
126}
127
81a322d4 128static int pci_unin_internal_init_device(SysBusDevice *dev)
2e29bd04
BS
129{
130 UNINState *s;
131 int pci_mem_config, pci_mem_data;
132
133 /* Uninorth internal bus */
134 s = FROM_SYSBUS(UNINState, dev);
135
f08b32fe
IY
136 pci_mem_config = pci_host_conf_register_mmio_noswap(&s->host_state);
137 pci_mem_data = pci_host_data_register_mmio(&s->host_state);
2e29bd04
BS
138 sysbus_init_mmio(dev, 0x1000, pci_mem_config);
139 sysbus_init_mmio(dev, 0x1000, pci_mem_data);
81a322d4 140 return 0;
2e29bd04
BS
141}
142
143PCIBus *pci_pmac_init(qemu_irq *pic)
144{
145 DeviceState *dev;
146 SysBusDevice *s;
147 UNINState *d;
148
149 /* Use values found on a real PowerMac */
150 /* Uninorth main bus */
99917a99 151 dev = qdev_create(NULL, "uni-north");
e23a1b33 152 qdev_init_nofail(dev);
2e29bd04
BS
153 s = sysbus_from_qdev(dev);
154 d = FROM_SYSBUS(UNINState, s);
cdd0935c 155 d->host_state.bus = pci_register_bus(&d->busdev.qdev, "pci",
2e29bd04
BS
156 pci_unin_set_irq, pci_unin_map_irq,
157 pic, 11 << 3, 4);
158
60398748 159#if 0
99917a99 160 pci_create_simple(d->host_state.bus, 11 << 3, "uni-north");
60398748 161#endif
2e29bd04
BS
162
163 sysbus_mmio_map(s, 0, 0xf2800000);
164 sysbus_mmio_map(s, 1, 0xf2c00000);
165
166 /* DEC 21154 bridge */
167#if 0
168 /* XXX: not activated as PPC BIOS doesn't handle multiple buses properly */
72fbd9f9 169 pci_create_simple(d->host_state.bus, 12 << 3, "dec-21154");
2e29bd04
BS
170#endif
171
172 /* Uninorth AGP bus */
99917a99
MA
173 pci_create_simple(d->host_state.bus, 11 << 3, "uni-north-agp");
174 dev = qdev_create(NULL, "uni-north-agp");
d27d06f2
BS
175 qdev_init_nofail(dev);
176 s = sysbus_from_qdev(dev);
177 sysbus_mmio_map(s, 0, 0xf0800000);
178 sysbus_mmio_map(s, 1, 0xf0c00000);
2e29bd04
BS
179
180 /* Uninorth internal bus */
181#if 0
182 /* XXX: not needed for now */
99917a99
MA
183 pci_create_simple(d->host_state.bus, 14 << 3, "uni-north-pci");
184 dev = qdev_create(NULL, "uni-north-pci");
d27d06f2
BS
185 qdev_init_nofail(dev);
186 s = sysbus_from_qdev(dev);
187 sysbus_mmio_map(s, 0, 0xf4800000);
188 sysbus_mmio_map(s, 1, 0xf4c00000);
2e29bd04
BS
189#endif
190
191 return d->host_state.bus;
192}
193
81a322d4 194static int unin_main_pci_host_init(PCIDevice *d)
2e29bd04 195{
deb54399 196 pci_config_set_vendor_id(d->config, PCI_VENDOR_ID_APPLE);
4ebcf884 197 pci_config_set_device_id(d->config, PCI_DEVICE_ID_APPLE_UNI_N_PCI);
502a5395 198 d->config[0x08] = 0x00; // revision
173a543b 199 pci_config_set_class(d->config, PCI_CLASS_BRIDGE_HOST);
502a5395
PB
200 d->config[0x0C] = 0x08; // cache_line_size
201 d->config[0x0D] = 0x10; // latency_timer
6407f373 202 d->config[PCI_HEADER_TYPE] = PCI_HEADER_TYPE_NORMAL; // header_type
502a5395 203 d->config[0x34] = 0x00; // capabilities_pointer
81a322d4 204 return 0;
2e29bd04 205}
502a5395 206
81a322d4 207static int dec_21154_pci_host_init(PCIDevice *d)
2e29bd04 208{
502a5395 209 /* pci-to-pci bridge */
4ebcf884
BS
210 pci_config_set_vendor_id(d->config, PCI_VENDOR_ID_DEC);
211 pci_config_set_device_id(d->config, PCI_DEVICE_ID_DEC_21154);
502a5395 212 d->config[0x08] = 0x05; // revision
173a543b 213 pci_config_set_class(d->config, PCI_CLASS_BRIDGE_PCI);
502a5395
PB
214 d->config[0x0C] = 0x08; // cache_line_size
215 d->config[0x0D] = 0x20; // latency_timer
6407f373 216 d->config[PCI_HEADER_TYPE] = PCI_HEADER_TYPE_BRIDGE; // header_type
502a5395
PB
217
218 d->config[0x18] = 0x01; // primary_bus
219 d->config[0x19] = 0x02; // secondary_bus
220 d->config[0x1A] = 0x02; // subordinate_bus
221 d->config[0x1B] = 0x20; // secondary_latency_timer
222 d->config[0x1C] = 0x11; // io_base
223 d->config[0x1D] = 0x01; // io_limit
224 d->config[0x20] = 0x00; // memory_base
225 d->config[0x21] = 0x80;
226 d->config[0x22] = 0x00; // memory_limit
227 d->config[0x23] = 0x80;
228 d->config[0x24] = 0x01; // prefetchable_memory_base
229 d->config[0x25] = 0x80;
230 d->config[0x26] = 0xF1; // prefectchable_memory_limit
231 d->config[0x27] = 0x7F;
232 // d->config[0x34] = 0xdc // capabilities_pointer
81a322d4 233 return 0;
2e29bd04 234}
502a5395 235
81a322d4 236static int unin_agp_pci_host_init(PCIDevice *d)
2e29bd04 237{
deb54399
AL
238 pci_config_set_vendor_id(d->config, PCI_VENDOR_ID_APPLE);
239 pci_config_set_device_id(d->config, PCI_DEVICE_ID_APPLE_UNI_N_AGP);
502a5395 240 d->config[0x08] = 0x00; // revision
173a543b 241 pci_config_set_class(d->config, PCI_CLASS_BRIDGE_HOST);
502a5395
PB
242 d->config[0x0C] = 0x08; // cache_line_size
243 d->config[0x0D] = 0x10; // latency_timer
6407f373 244 d->config[PCI_HEADER_TYPE] = PCI_HEADER_TYPE_NORMAL; // header_type
502a5395 245 // d->config[0x34] = 0x80; // capabilities_pointer
81a322d4 246 return 0;
2e29bd04 247}
502a5395 248
81a322d4 249static int unin_internal_pci_host_init(PCIDevice *d)
2e29bd04 250{
deb54399 251 pci_config_set_vendor_id(d->config, PCI_VENDOR_ID_APPLE);
4ebcf884 252 pci_config_set_device_id(d->config, PCI_DEVICE_ID_APPLE_UNI_N_I_PCI);
502a5395 253 d->config[0x08] = 0x00; // revision
173a543b 254 pci_config_set_class(d->config, PCI_CLASS_BRIDGE_HOST);
502a5395
PB
255 d->config[0x0C] = 0x08; // cache_line_size
256 d->config[0x0D] = 0x10; // latency_timer
6407f373 257 d->config[PCI_HEADER_TYPE] = PCI_HEADER_TYPE_NORMAL; // header_type
502a5395 258 d->config[0x34] = 0x00; // capabilities_pointer
81a322d4 259 return 0;
2e29bd04
BS
260}
261
262static PCIDeviceInfo unin_main_pci_host_info = {
99917a99 263 .qdev.name = "uni-north",
2e29bd04
BS
264 .qdev.size = sizeof(PCIDevice),
265 .init = unin_main_pci_host_init,
266};
267
268static PCIDeviceInfo dec_21154_pci_host_info = {
72fbd9f9 269 .qdev.name = "dec-21154",
2e29bd04
BS
270 .qdev.size = sizeof(PCIDevice),
271 .init = dec_21154_pci_host_init,
272};
f3902383 273
2e29bd04 274static PCIDeviceInfo unin_agp_pci_host_info = {
99917a99 275 .qdev.name = "uni-north-agp",
2e29bd04
BS
276 .qdev.size = sizeof(PCIDevice),
277 .init = unin_agp_pci_host_init,
278};
279
280static PCIDeviceInfo unin_internal_pci_host_info = {
99917a99 281 .qdev.name = "uni-north-pci",
2e29bd04
BS
282 .qdev.size = sizeof(PCIDevice),
283 .init = unin_internal_pci_host_init,
284};
285
286static void unin_register_devices(void)
287{
99917a99 288 sysbus_register_dev("uni-north", sizeof(UNINState),
2e29bd04
BS
289 pci_unin_main_init_device);
290 pci_qdev_register(&unin_main_pci_host_info);
72fbd9f9 291 sysbus_register_dev("dec-21154", sizeof(UNINState),
2e29bd04
BS
292 pci_dec_21154_init_device);
293 pci_qdev_register(&dec_21154_pci_host_info);
99917a99 294 sysbus_register_dev("uni-north-agp", sizeof(UNINState),
2e29bd04
BS
295 pci_unin_agp_init_device);
296 pci_qdev_register(&unin_agp_pci_host_info);
99917a99 297 sysbus_register_dev("uni-north-pci", sizeof(UNINState),
2e29bd04
BS
298 pci_unin_internal_init_device);
299 pci_qdev_register(&unin_internal_pci_host_info);
502a5395 300}
2e29bd04
BS
301
302device_init(unin_register_devices)