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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
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24#include "hw.h"
25#include "ppc_mac.h"
26#include "pci.h"
27
f3902383
BS
28/* debug UniNorth */
29//#define DEBUG_UNIN
30
31#ifdef DEBUG_UNIN
001faf32
BS
32#define UNIN_DPRINTF(fmt, ...) \
33 do { printf("UNIN: " fmt , ## __VA_ARGS__); } while (0)
f3902383 34#else
001faf32 35#define UNIN_DPRINTF(fmt, ...)
f3902383
BS
36#endif
37
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38typedef target_phys_addr_t pci_addr_t;
39#include "pci_host.h"
40
2e29bd04
BS
41typedef struct UNINState {
42 SysBusDevice busdev;
43 PCIHostState host_state;
44} UNINState;
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45
46static void pci_unin_main_config_writel (void *opaque, target_phys_addr_t addr,
47 uint32_t val)
48{
49 UNINState *s = opaque;
502a5395 50
f3902383 51 UNIN_DPRINTF("config_writel addr " TARGET_FMT_plx " val %x\n", addr, val);
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52#ifdef TARGET_WORDS_BIGENDIAN
53 val = bswap32(val);
54#endif
55
2e29bd04 56 s->host_state.config_reg = val;
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57}
58
59static uint32_t pci_unin_main_config_readl (void *opaque,
60 target_phys_addr_t addr)
61{
62 UNINState *s = opaque;
63 uint32_t val;
502a5395 64
2e29bd04 65 val = s->host_state.config_reg;
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66#ifdef TARGET_WORDS_BIGENDIAN
67 val = bswap32(val);
68#endif
f3902383 69 UNIN_DPRINTF("config_readl addr " TARGET_FMT_plx " val %x\n", addr, val);
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70
71 return val;
72}
73
d60efc6b 74static CPUWriteMemoryFunc * const pci_unin_main_config_write[] = {
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75 &pci_unin_main_config_writel,
76 &pci_unin_main_config_writel,
77 &pci_unin_main_config_writel,
78};
79
d60efc6b 80static CPUReadMemoryFunc * const pci_unin_main_config_read[] = {
502a5395
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81 &pci_unin_main_config_readl,
82 &pci_unin_main_config_readl,
83 &pci_unin_main_config_readl,
84};
85
d60efc6b 86static CPUWriteMemoryFunc * const pci_unin_main_write[] = {
502a5395
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87 &pci_host_data_writeb,
88 &pci_host_data_writew,
89 &pci_host_data_writel,
90};
91
d60efc6b 92static CPUReadMemoryFunc * const pci_unin_main_read[] = {
502a5395
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93 &pci_host_data_readb,
94 &pci_host_data_readw,
95 &pci_host_data_readl,
96};
97
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98static void pci_unin_config_writel (void *opaque, target_phys_addr_t addr,
99 uint32_t val)
100{
101 UNINState *s = opaque;
102
2e29bd04 103 s->host_state.config_reg = val;
502a5395
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104}
105
106static uint32_t pci_unin_config_readl (void *opaque,
107 target_phys_addr_t addr)
108{
109 UNINState *s = opaque;
502a5395 110
2e29bd04 111 return s->host_state.config_reg;
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112}
113
d60efc6b 114static CPUWriteMemoryFunc * const pci_unin_config_write[] = {
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115 &pci_unin_config_writel,
116 &pci_unin_config_writel,
117 &pci_unin_config_writel,
118};
119
d60efc6b 120static CPUReadMemoryFunc * const pci_unin_config_read[] = {
502a5395
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121 &pci_unin_config_readl,
122 &pci_unin_config_readl,
123 &pci_unin_config_readl,
124};
125
d60efc6b 126static CPUWriteMemoryFunc * const pci_unin_write[] = {
2e29bd04
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127 &pci_host_data_writeb,
128 &pci_host_data_writew,
129 &pci_host_data_writel,
502a5395
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130};
131
d60efc6b 132static CPUReadMemoryFunc * const pci_unin_read[] = {
2e29bd04
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133 &pci_host_data_readb,
134 &pci_host_data_readw,
135 &pci_host_data_readl,
502a5395 136};
502a5395 137
d2b59317
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138/* Don't know if this matches real hardware, but it agrees with OHW. */
139static int pci_unin_map_irq(PCIDevice *pci_dev, int irq_num)
502a5395 140{
d2b59317
PB
141 return (irq_num + (pci_dev->devfn >> 3)) & 3;
142}
143
d537cf6c 144static void pci_unin_set_irq(qemu_irq *pic, int irq_num, int level)
d2b59317 145{
d537cf6c 146 qemu_set_irq(pic[irq_num + 8], level);
502a5395
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147}
148
f3902383
BS
149static void pci_unin_save(QEMUFile* f, void *opaque)
150{
151 PCIDevice *d = opaque;
152
153 pci_device_save(d, f);
154}
155
156static int pci_unin_load(QEMUFile* f, void *opaque, int version_id)
157{
158 PCIDevice *d = opaque;
159
160 if (version_id != 1)
161 return -EINVAL;
162
163 return pci_device_load(d, f);
164}
165
166static void pci_unin_reset(void *opaque)
167{
168}
169
2e29bd04 170static void pci_unin_main_init_device(SysBusDevice *dev)
502a5395
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171{
172 UNINState *s;
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173 int pci_mem_config, pci_mem_data;
174
175 /* Use values found on a real PowerMac */
176 /* Uninorth main bus */
2e29bd04 177 s = FROM_SYSBUS(UNINState, dev);
502a5395 178
1eed09cb 179 pci_mem_config = cpu_register_io_memory(pci_unin_main_config_read,
502a5395 180 pci_unin_main_config_write, s);
1eed09cb 181 pci_mem_data = cpu_register_io_memory(pci_unin_main_read,
2e29bd04
BS
182 pci_unin_main_write, &s->host_state);
183
184 sysbus_init_mmio(dev, 0x1000, pci_mem_config);
185 sysbus_init_mmio(dev, 0x1000, pci_mem_data);
186
187 register_savevm("uninorth", 0, 1, pci_unin_save, pci_unin_load, &s->host_state);
188 qemu_register_reset(pci_unin_reset, &s->host_state);
189 pci_unin_reset(&s->host_state);
190}
191
192static void pci_dec_21154_init_device(SysBusDevice *dev)
193{
194 UNINState *s;
195 int pci_mem_config, pci_mem_data;
196
197 /* Uninorth bridge */
198 s = FROM_SYSBUS(UNINState, dev);
199
200 // XXX: s = &pci_bridge[2];
201 pci_mem_config = cpu_register_io_memory(pci_unin_config_read,
202 pci_unin_config_write, s);
203 pci_mem_data = cpu_register_io_memory(pci_unin_main_read,
204 pci_unin_main_write, &s->host_state);
205 sysbus_init_mmio(dev, 0x1000, pci_mem_config);
206 sysbus_init_mmio(dev, 0x1000, pci_mem_data);
207}
208
209static void pci_unin_agp_init_device(SysBusDevice *dev)
210{
211 UNINState *s;
212 int pci_mem_config, pci_mem_data;
213
214 /* Uninorth AGP bus */
215 s = FROM_SYSBUS(UNINState, dev);
216
217 pci_mem_config = cpu_register_io_memory(pci_unin_config_read,
218 pci_unin_config_write, s);
219 pci_mem_data = cpu_register_io_memory(pci_unin_main_read,
220 pci_unin_main_write, &s->host_state);
221 sysbus_init_mmio(dev, 0x1000, pci_mem_config);
222 sysbus_init_mmio(dev, 0x1000, pci_mem_data);
223}
224
225static void pci_unin_internal_init_device(SysBusDevice *dev)
226{
227 UNINState *s;
228 int pci_mem_config, pci_mem_data;
229
230 /* Uninorth internal bus */
231 s = FROM_SYSBUS(UNINState, dev);
232
233 pci_mem_config = cpu_register_io_memory(pci_unin_config_read,
234 pci_unin_config_write, s);
235 pci_mem_data = cpu_register_io_memory(pci_unin_read,
236 pci_unin_write, s);
237 sysbus_init_mmio(dev, 0x1000, pci_mem_config);
238 sysbus_init_mmio(dev, 0x1000, pci_mem_data);
239}
240
241PCIBus *pci_pmac_init(qemu_irq *pic)
242{
243 DeviceState *dev;
244 SysBusDevice *s;
245 UNINState *d;
246
247 /* Use values found on a real PowerMac */
248 /* Uninorth main bus */
249 dev = qdev_create(NULL, "Uni-north main");
250 qdev_init(dev);
251 s = sysbus_from_qdev(dev);
252 d = FROM_SYSBUS(UNINState, s);
253 d->host_state.bus = pci_register_bus(NULL, "pci",
254 pci_unin_set_irq, pci_unin_map_irq,
255 pic, 11 << 3, 4);
256
257 pci_create_simple(d->host_state.bus, 11 << 3, "Uni-north main");
258
259 sysbus_mmio_map(s, 0, 0xf2800000);
260 sysbus_mmio_map(s, 1, 0xf2c00000);
261
262 /* DEC 21154 bridge */
263#if 0
264 /* XXX: not activated as PPC BIOS doesn't handle multiple buses properly */
265 pci_create_simple(d->host_state.bus, 12 << 3, "DEC 21154");
266#endif
267
268 /* Uninorth AGP bus */
269 pci_create_simple(d->host_state.bus, 13 << 3, "Uni-north AGP");
270
271 /* Uninorth internal bus */
272#if 0
273 /* XXX: not needed for now */
274 pci_create_simple(d->host_state.bus, 14 << 3, "Uni-north internal");
275#endif
276
277 return d->host_state.bus;
278}
279
280static void unin_main_pci_host_init(PCIDevice *d)
281{
deb54399 282 pci_config_set_vendor_id(d->config, PCI_VENDOR_ID_APPLE);
4ebcf884 283 pci_config_set_device_id(d->config, PCI_DEVICE_ID_APPLE_UNI_N_PCI);
502a5395 284 d->config[0x08] = 0x00; // revision
173a543b 285 pci_config_set_class(d->config, PCI_CLASS_BRIDGE_HOST);
502a5395
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286 d->config[0x0C] = 0x08; // cache_line_size
287 d->config[0x0D] = 0x10; // latency_timer
6407f373 288 d->config[PCI_HEADER_TYPE] = PCI_HEADER_TYPE_NORMAL; // header_type
502a5395 289 d->config[0x34] = 0x00; // capabilities_pointer
2e29bd04 290}
502a5395 291
2e29bd04
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292static void dec_21154_pci_host_init(PCIDevice *d)
293{
502a5395 294 /* pci-to-pci bridge */
4ebcf884
BS
295 pci_config_set_vendor_id(d->config, PCI_VENDOR_ID_DEC);
296 pci_config_set_device_id(d->config, PCI_DEVICE_ID_DEC_21154);
502a5395 297 d->config[0x08] = 0x05; // revision
173a543b 298 pci_config_set_class(d->config, PCI_CLASS_BRIDGE_PCI);
502a5395
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299 d->config[0x0C] = 0x08; // cache_line_size
300 d->config[0x0D] = 0x20; // latency_timer
6407f373 301 d->config[PCI_HEADER_TYPE] = PCI_HEADER_TYPE_BRIDGE; // header_type
502a5395
PB
302
303 d->config[0x18] = 0x01; // primary_bus
304 d->config[0x19] = 0x02; // secondary_bus
305 d->config[0x1A] = 0x02; // subordinate_bus
306 d->config[0x1B] = 0x20; // secondary_latency_timer
307 d->config[0x1C] = 0x11; // io_base
308 d->config[0x1D] = 0x01; // io_limit
309 d->config[0x20] = 0x00; // memory_base
310 d->config[0x21] = 0x80;
311 d->config[0x22] = 0x00; // memory_limit
312 d->config[0x23] = 0x80;
313 d->config[0x24] = 0x01; // prefetchable_memory_base
314 d->config[0x25] = 0x80;
315 d->config[0x26] = 0xF1; // prefectchable_memory_limit
316 d->config[0x27] = 0x7F;
317 // d->config[0x34] = 0xdc // capabilities_pointer
2e29bd04 318}
502a5395 319
2e29bd04
BS
320static void unin_agp_pci_host_init(PCIDevice *d)
321{
deb54399
AL
322 pci_config_set_vendor_id(d->config, PCI_VENDOR_ID_APPLE);
323 pci_config_set_device_id(d->config, PCI_DEVICE_ID_APPLE_UNI_N_AGP);
502a5395 324 d->config[0x08] = 0x00; // revision
173a543b 325 pci_config_set_class(d->config, PCI_CLASS_BRIDGE_HOST);
502a5395
PB
326 d->config[0x0C] = 0x08; // cache_line_size
327 d->config[0x0D] = 0x10; // latency_timer
6407f373 328 d->config[PCI_HEADER_TYPE] = PCI_HEADER_TYPE_NORMAL; // header_type
502a5395 329 // d->config[0x34] = 0x80; // capabilities_pointer
2e29bd04 330}
502a5395 331
2e29bd04
BS
332static void unin_internal_pci_host_init(PCIDevice *d)
333{
deb54399 334 pci_config_set_vendor_id(d->config, PCI_VENDOR_ID_APPLE);
4ebcf884 335 pci_config_set_device_id(d->config, PCI_DEVICE_ID_APPLE_UNI_N_I_PCI);
502a5395 336 d->config[0x08] = 0x00; // revision
173a543b 337 pci_config_set_class(d->config, PCI_CLASS_BRIDGE_HOST);
502a5395
PB
338 d->config[0x0C] = 0x08; // cache_line_size
339 d->config[0x0D] = 0x10; // latency_timer
6407f373 340 d->config[PCI_HEADER_TYPE] = PCI_HEADER_TYPE_NORMAL; // header_type
502a5395 341 d->config[0x34] = 0x00; // capabilities_pointer
2e29bd04
BS
342}
343
344static PCIDeviceInfo unin_main_pci_host_info = {
345 .qdev.name = "Uni-north main",
346 .qdev.size = sizeof(PCIDevice),
347 .init = unin_main_pci_host_init,
348};
349
350static PCIDeviceInfo dec_21154_pci_host_info = {
351 .qdev.name = "DEC 21154",
352 .qdev.size = sizeof(PCIDevice),
353 .init = dec_21154_pci_host_init,
354};
f3902383 355
2e29bd04
BS
356static PCIDeviceInfo unin_agp_pci_host_info = {
357 .qdev.name = "Uni-north AGP",
358 .qdev.size = sizeof(PCIDevice),
359 .init = unin_agp_pci_host_init,
360};
361
362static PCIDeviceInfo unin_internal_pci_host_info = {
363 .qdev.name = "Uni-north internal",
364 .qdev.size = sizeof(PCIDevice),
365 .init = unin_internal_pci_host_init,
366};
367
368static void unin_register_devices(void)
369{
370 sysbus_register_dev("Uni-north main", sizeof(UNINState),
371 pci_unin_main_init_device);
372 pci_qdev_register(&unin_main_pci_host_info);
373 sysbus_register_dev("DEC 21154", sizeof(UNINState),
374 pci_dec_21154_init_device);
375 pci_qdev_register(&dec_21154_pci_host_info);
376 sysbus_register_dev("Uni-north AGP", sizeof(UNINState),
377 pci_unin_agp_init_device);
378 pci_qdev_register(&unin_agp_pci_host_info);
379 sysbus_register_dev("Uni-north internal", sizeof(UNINState),
380 pci_unin_internal_init_device);
381 pci_qdev_register(&unin_internal_pci_host_info);
502a5395 382}
2e29bd04
BS
383
384device_init(unin_register_devices)