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502a5395 PB |
1 | /* |
2 | * QEMU Uninorth PCI host (for all Mac99 and newer machines) | |
3 | * | |
4 | * Copyright (c) 2006 Fabrice Bellard | |
5fafdf24 | 5 | * |
502a5395 PB |
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 | ||
fa0be69a AG |
39 | static const int unin_irq_line[] = { 0x1b, 0x1c, 0x1d, 0x1e }; |
40 | ||
2e29bd04 BS |
41 | typedef struct UNINState { |
42 | SysBusDevice busdev; | |
43 | PCIHostState host_state; | |
d86f0e32 | 44 | ReadWriteHandler data_handler; |
2e29bd04 | 45 | } UNINState; |
502a5395 | 46 | |
d2b59317 | 47 | static int pci_unin_map_irq(PCIDevice *pci_dev, int irq_num) |
502a5395 | 48 | { |
fa0be69a AG |
49 | int retval; |
50 | int devfn = pci_dev->devfn & 0x00FFFFFF; | |
51 | ||
52 | retval = (((devfn >> 11) & 0x1F) + irq_num) & 3; | |
53 | ||
54 | return retval; | |
d2b59317 PB |
55 | } |
56 | ||
5d4e84c8 | 57 | static void pci_unin_set_irq(void *opaque, int irq_num, int level) |
d2b59317 | 58 | { |
5d4e84c8 JQ |
59 | qemu_irq *pic = opaque; |
60 | ||
fa0be69a AG |
61 | UNIN_DPRINTF("%s: setting INT %d = %d\n", __func__, |
62 | unin_irq_line[irq_num], level); | |
63 | qemu_set_irq(pic[unin_irq_line[irq_num]], level); | |
502a5395 PB |
64 | } |
65 | ||
f3902383 BS |
66 | static void pci_unin_save(QEMUFile* f, void *opaque) |
67 | { | |
68 | PCIDevice *d = opaque; | |
69 | ||
70 | pci_device_save(d, f); | |
71 | } | |
72 | ||
73 | static int pci_unin_load(QEMUFile* f, void *opaque, int version_id) | |
74 | { | |
75 | PCIDevice *d = opaque; | |
76 | ||
77 | if (version_id != 1) | |
78 | return -EINVAL; | |
79 | ||
80 | return pci_device_load(d, f); | |
81 | } | |
82 | ||
83 | static void pci_unin_reset(void *opaque) | |
84 | { | |
85 | } | |
86 | ||
d86f0e32 AG |
87 | static uint32_t unin_get_config_reg(uint32_t reg, uint32_t addr) |
88 | { | |
89 | uint32_t retval; | |
90 | ||
91 | if (reg & (1u << 31)) { | |
92 | /* XXX OpenBIOS compatibility hack */ | |
93 | retval = reg | (addr & 3); | |
94 | } else if (reg & 1) { | |
95 | /* CFA1 style */ | |
96 | retval = (reg & ~7u) | (addr & 7); | |
97 | } else { | |
98 | uint32_t slot, func; | |
99 | ||
100 | /* Grab CFA0 style values */ | |
101 | slot = ffs(reg & 0xfffff800) - 1; | |
102 | func = (reg >> 8) & 7; | |
103 | ||
104 | /* ... and then convert them to x86 format */ | |
105 | /* config pointer */ | |
106 | retval = (reg & (0xff - 7)) | (addr & 7); | |
107 | /* slot */ | |
108 | retval |= slot << 11; | |
109 | /* fn */ | |
110 | retval |= func << 8; | |
111 | } | |
112 | ||
113 | ||
114 | UNIN_DPRINTF("Converted config space accessor %08x/%08x -> %08x\n", | |
115 | reg, addr, retval); | |
116 | ||
117 | return retval; | |
118 | } | |
119 | ||
120 | static void unin_data_write(ReadWriteHandler *handler, | |
121 | pcibus_t addr, uint32_t val, int len) | |
122 | { | |
123 | UNINState *s = container_of(handler, UNINState, data_handler); | |
124 | #ifdef TARGET_WORDS_BIGENDIAN | |
125 | val = qemu_bswap_len(val, len); | |
126 | #endif | |
127 | UNIN_DPRINTF("write addr %" FMT_PCIBUS " len %d val %x\n", addr, len, val); | |
128 | pci_data_write(s->host_state.bus, | |
129 | unin_get_config_reg(s->host_state.config_reg, addr), | |
130 | val, len); | |
131 | } | |
132 | ||
133 | static uint32_t unin_data_read(ReadWriteHandler *handler, | |
134 | pcibus_t addr, int len) | |
135 | { | |
136 | UNINState *s = container_of(handler, UNINState, data_handler); | |
137 | uint32_t val; | |
138 | ||
139 | val = pci_data_read(s->host_state.bus, | |
140 | unin_get_config_reg(s->host_state.config_reg, addr), | |
141 | len); | |
142 | UNIN_DPRINTF("read addr %" FMT_PCIBUS " len %d val %x\n", addr, len, val); | |
143 | #ifdef TARGET_WORDS_BIGENDIAN | |
144 | val = qemu_bswap_len(val, len); | |
145 | #endif | |
146 | return val; | |
147 | } | |
148 | ||
81a322d4 | 149 | static int pci_unin_main_init_device(SysBusDevice *dev) |
502a5395 PB |
150 | { |
151 | UNINState *s; | |
502a5395 PB |
152 | int pci_mem_config, pci_mem_data; |
153 | ||
154 | /* Use values found on a real PowerMac */ | |
155 | /* Uninorth main bus */ | |
2e29bd04 | 156 | s = FROM_SYSBUS(UNINState, dev); |
502a5395 | 157 | |
f08b32fe | 158 | pci_mem_config = pci_host_conf_register_mmio(&s->host_state); |
d86f0e32 AG |
159 | s->data_handler.read = unin_data_read; |
160 | s->data_handler.write = unin_data_write; | |
161 | pci_mem_data = cpu_register_io_memory_simple(&s->data_handler); | |
2e29bd04 BS |
162 | sysbus_init_mmio(dev, 0x1000, pci_mem_config); |
163 | sysbus_init_mmio(dev, 0x1000, pci_mem_data); | |
164 | ||
165 | register_savevm("uninorth", 0, 1, pci_unin_save, pci_unin_load, &s->host_state); | |
166 | qemu_register_reset(pci_unin_reset, &s->host_state); | |
81a322d4 | 167 | return 0; |
2e29bd04 BS |
168 | } |
169 | ||
0f921197 AG |
170 | static int pci_u3_agp_init_device(SysBusDevice *dev) |
171 | { | |
172 | UNINState *s; | |
173 | int pci_mem_config, pci_mem_data; | |
174 | ||
175 | /* Uninorth U3 AGP bus */ | |
176 | s = FROM_SYSBUS(UNINState, dev); | |
177 | ||
178 | pci_mem_config = pci_host_conf_register_mmio(&s->host_state); | |
179 | s->data_handler.read = unin_data_read; | |
180 | s->data_handler.write = unin_data_write; | |
181 | pci_mem_data = cpu_register_io_memory_simple(&s->data_handler); | |
182 | sysbus_init_mmio(dev, 0x1000, pci_mem_config); | |
183 | sysbus_init_mmio(dev, 0x1000, pci_mem_data); | |
184 | ||
185 | register_savevm("uninorth", 0, 1, pci_unin_save, pci_unin_load, &s->host_state); | |
186 | qemu_register_reset(pci_unin_reset, &s->host_state); | |
187 | ||
188 | return 0; | |
189 | } | |
190 | ||
81a322d4 | 191 | static int pci_unin_agp_init_device(SysBusDevice *dev) |
2e29bd04 BS |
192 | { |
193 | UNINState *s; | |
194 | int pci_mem_config, pci_mem_data; | |
195 | ||
196 | /* Uninorth AGP bus */ | |
197 | s = FROM_SYSBUS(UNINState, dev); | |
198 | ||
f08b32fe IY |
199 | pci_mem_config = pci_host_conf_register_mmio_noswap(&s->host_state); |
200 | pci_mem_data = pci_host_data_register_mmio(&s->host_state); | |
2e29bd04 BS |
201 | sysbus_init_mmio(dev, 0x1000, pci_mem_config); |
202 | sysbus_init_mmio(dev, 0x1000, pci_mem_data); | |
81a322d4 | 203 | return 0; |
2e29bd04 BS |
204 | } |
205 | ||
81a322d4 | 206 | static int pci_unin_internal_init_device(SysBusDevice *dev) |
2e29bd04 BS |
207 | { |
208 | UNINState *s; | |
209 | int pci_mem_config, pci_mem_data; | |
210 | ||
211 | /* Uninorth internal bus */ | |
212 | s = FROM_SYSBUS(UNINState, dev); | |
213 | ||
f08b32fe IY |
214 | pci_mem_config = pci_host_conf_register_mmio_noswap(&s->host_state); |
215 | pci_mem_data = pci_host_data_register_mmio(&s->host_state); | |
2e29bd04 BS |
216 | sysbus_init_mmio(dev, 0x1000, pci_mem_config); |
217 | sysbus_init_mmio(dev, 0x1000, pci_mem_data); | |
81a322d4 | 218 | return 0; |
2e29bd04 BS |
219 | } |
220 | ||
221 | PCIBus *pci_pmac_init(qemu_irq *pic) | |
222 | { | |
223 | DeviceState *dev; | |
224 | SysBusDevice *s; | |
225 | UNINState *d; | |
226 | ||
227 | /* Use values found on a real PowerMac */ | |
228 | /* Uninorth main bus */ | |
18dd19a7 | 229 | dev = qdev_create(NULL, "uni-north"); |
e23a1b33 | 230 | qdev_init_nofail(dev); |
2e29bd04 BS |
231 | s = sysbus_from_qdev(dev); |
232 | d = FROM_SYSBUS(UNINState, s); | |
cdd0935c | 233 | d->host_state.bus = pci_register_bus(&d->busdev.qdev, "pci", |
2e29bd04 BS |
234 | pci_unin_set_irq, pci_unin_map_irq, |
235 | pic, 11 << 3, 4); | |
236 | ||
60398748 | 237 | #if 0 |
18dd19a7 | 238 | pci_create_simple(d->host_state.bus, 11 << 3, "uni-north"); |
60398748 | 239 | #endif |
2e29bd04 BS |
240 | |
241 | sysbus_mmio_map(s, 0, 0xf2800000); | |
242 | sysbus_mmio_map(s, 1, 0xf2c00000); | |
243 | ||
244 | /* DEC 21154 bridge */ | |
245 | #if 0 | |
246 | /* XXX: not activated as PPC BIOS doesn't handle multiple buses properly */ | |
556cd098 | 247 | pci_create_simple(d->host_state.bus, 12 << 3, "dec-21154"); |
2e29bd04 BS |
248 | #endif |
249 | ||
250 | /* Uninorth AGP bus */ | |
18dd19a7 MA |
251 | pci_create_simple(d->host_state.bus, 11 << 3, "uni-north-agp"); |
252 | dev = qdev_create(NULL, "uni-north-agp"); | |
d27d06f2 BS |
253 | qdev_init_nofail(dev); |
254 | s = sysbus_from_qdev(dev); | |
255 | sysbus_mmio_map(s, 0, 0xf0800000); | |
256 | sysbus_mmio_map(s, 1, 0xf0c00000); | |
2e29bd04 BS |
257 | |
258 | /* Uninorth internal bus */ | |
259 | #if 0 | |
260 | /* XXX: not needed for now */ | |
18dd19a7 MA |
261 | pci_create_simple(d->host_state.bus, 14 << 3, "uni-north-pci"); |
262 | dev = qdev_create(NULL, "uni-north-pci"); | |
d27d06f2 BS |
263 | qdev_init_nofail(dev); |
264 | s = sysbus_from_qdev(dev); | |
265 | sysbus_mmio_map(s, 0, 0xf4800000); | |
266 | sysbus_mmio_map(s, 1, 0xf4c00000); | |
2e29bd04 BS |
267 | #endif |
268 | ||
269 | return d->host_state.bus; | |
270 | } | |
271 | ||
0f921197 AG |
272 | PCIBus *pci_pmac_u3_init(qemu_irq *pic) |
273 | { | |
274 | DeviceState *dev; | |
275 | SysBusDevice *s; | |
276 | UNINState *d; | |
277 | ||
278 | /* Uninorth AGP bus */ | |
279 | ||
280 | dev = qdev_create(NULL, "u3-agp"); | |
281 | qdev_init_nofail(dev); | |
282 | s = sysbus_from_qdev(dev); | |
283 | d = FROM_SYSBUS(UNINState, s); | |
284 | ||
285 | d->host_state.bus = pci_register_bus(&d->busdev.qdev, "pci", | |
286 | pci_unin_set_irq, pci_unin_map_irq, | |
287 | pic, 11 << 3, 4); | |
288 | ||
289 | sysbus_mmio_map(s, 0, 0xf0800000); | |
290 | sysbus_mmio_map(s, 1, 0xf0c00000); | |
291 | ||
292 | pci_create_simple(d->host_state.bus, 11 << 3, "u3-agp"); | |
293 | ||
294 | return d->host_state.bus; | |
295 | } | |
296 | ||
81a322d4 | 297 | static int unin_main_pci_host_init(PCIDevice *d) |
2e29bd04 | 298 | { |
deb54399 | 299 | pci_config_set_vendor_id(d->config, PCI_VENDOR_ID_APPLE); |
4ebcf884 | 300 | pci_config_set_device_id(d->config, PCI_DEVICE_ID_APPLE_UNI_N_PCI); |
502a5395 | 301 | d->config[0x08] = 0x00; // revision |
173a543b | 302 | pci_config_set_class(d->config, PCI_CLASS_BRIDGE_HOST); |
502a5395 PB |
303 | d->config[0x0C] = 0x08; // cache_line_size |
304 | d->config[0x0D] = 0x10; // latency_timer | |
6407f373 | 305 | d->config[PCI_HEADER_TYPE] = PCI_HEADER_TYPE_NORMAL; // header_type |
502a5395 | 306 | d->config[0x34] = 0x00; // capabilities_pointer |
81a322d4 | 307 | return 0; |
2e29bd04 | 308 | } |
502a5395 | 309 | |
81a322d4 | 310 | static int unin_agp_pci_host_init(PCIDevice *d) |
2e29bd04 | 311 | { |
deb54399 AL |
312 | pci_config_set_vendor_id(d->config, PCI_VENDOR_ID_APPLE); |
313 | pci_config_set_device_id(d->config, PCI_DEVICE_ID_APPLE_UNI_N_AGP); | |
502a5395 | 314 | d->config[0x08] = 0x00; // revision |
173a543b | 315 | pci_config_set_class(d->config, PCI_CLASS_BRIDGE_HOST); |
502a5395 PB |
316 | d->config[0x0C] = 0x08; // cache_line_size |
317 | d->config[0x0D] = 0x10; // latency_timer | |
6407f373 | 318 | d->config[PCI_HEADER_TYPE] = PCI_HEADER_TYPE_NORMAL; // header_type |
502a5395 | 319 | // d->config[0x34] = 0x80; // capabilities_pointer |
81a322d4 | 320 | return 0; |
2e29bd04 | 321 | } |
502a5395 | 322 | |
0f921197 AG |
323 | static int u3_agp_pci_host_init(PCIDevice *d) |
324 | { | |
325 | pci_config_set_vendor_id(d->config, PCI_VENDOR_ID_APPLE); | |
326 | pci_config_set_device_id(d->config, PCI_DEVICE_ID_APPLE_U3_AGP); | |
327 | /* revision */ | |
328 | d->config[0x08] = 0x00; | |
329 | pci_config_set_class(d->config, PCI_CLASS_BRIDGE_HOST); | |
330 | /* cache line size */ | |
331 | d->config[0x0C] = 0x08; | |
332 | /* latency timer */ | |
333 | d->config[0x0D] = 0x10; | |
334 | d->config[PCI_HEADER_TYPE] = PCI_HEADER_TYPE_NORMAL; | |
335 | return 0; | |
336 | } | |
337 | ||
81a322d4 | 338 | static int unin_internal_pci_host_init(PCIDevice *d) |
2e29bd04 | 339 | { |
deb54399 | 340 | pci_config_set_vendor_id(d->config, PCI_VENDOR_ID_APPLE); |
4ebcf884 | 341 | pci_config_set_device_id(d->config, PCI_DEVICE_ID_APPLE_UNI_N_I_PCI); |
502a5395 | 342 | d->config[0x08] = 0x00; // revision |
173a543b | 343 | pci_config_set_class(d->config, PCI_CLASS_BRIDGE_HOST); |
502a5395 PB |
344 | d->config[0x0C] = 0x08; // cache_line_size |
345 | d->config[0x0D] = 0x10; // latency_timer | |
6407f373 | 346 | d->config[PCI_HEADER_TYPE] = PCI_HEADER_TYPE_NORMAL; // header_type |
502a5395 | 347 | d->config[0x34] = 0x00; // capabilities_pointer |
81a322d4 | 348 | return 0; |
2e29bd04 BS |
349 | } |
350 | ||
351 | static PCIDeviceInfo unin_main_pci_host_info = { | |
18dd19a7 | 352 | .qdev.name = "uni-north", |
2e29bd04 BS |
353 | .qdev.size = sizeof(PCIDevice), |
354 | .init = unin_main_pci_host_init, | |
355 | }; | |
356 | ||
0f921197 AG |
357 | static PCIDeviceInfo u3_agp_pci_host_info = { |
358 | .qdev.name = "u3-agp", | |
359 | .qdev.size = sizeof(PCIDevice), | |
360 | .init = u3_agp_pci_host_init, | |
361 | }; | |
362 | ||
2e29bd04 | 363 | static PCIDeviceInfo unin_agp_pci_host_info = { |
18dd19a7 | 364 | .qdev.name = "uni-north-agp", |
2e29bd04 BS |
365 | .qdev.size = sizeof(PCIDevice), |
366 | .init = unin_agp_pci_host_init, | |
367 | }; | |
368 | ||
369 | static PCIDeviceInfo unin_internal_pci_host_info = { | |
18dd19a7 | 370 | .qdev.name = "uni-north-pci", |
2e29bd04 BS |
371 | .qdev.size = sizeof(PCIDevice), |
372 | .init = unin_internal_pci_host_init, | |
373 | }; | |
374 | ||
375 | static void unin_register_devices(void) | |
376 | { | |
18dd19a7 | 377 | sysbus_register_dev("uni-north", sizeof(UNINState), |
2e29bd04 BS |
378 | pci_unin_main_init_device); |
379 | pci_qdev_register(&unin_main_pci_host_info); | |
0f921197 AG |
380 | sysbus_register_dev("u3-agp", sizeof(UNINState), |
381 | pci_u3_agp_init_device); | |
382 | pci_qdev_register(&u3_agp_pci_host_info); | |
18dd19a7 | 383 | sysbus_register_dev("uni-north-agp", sizeof(UNINState), |
2e29bd04 BS |
384 | pci_unin_agp_init_device); |
385 | pci_qdev_register(&unin_agp_pci_host_info); | |
18dd19a7 | 386 | sysbus_register_dev("uni-north-pci", sizeof(UNINState), |
2e29bd04 BS |
387 | pci_unin_internal_init_device); |
388 | pci_qdev_register(&unin_internal_pci_host_info); | |
502a5395 | 389 | } |
2e29bd04 BS |
390 | |
391 | device_init(unin_register_devices) |