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pci: don't overwrite multi functio bit in pci header type.
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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
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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
fa0be69a
AG
39static const int unin_irq_line[] = { 0x1b, 0x1c, 0x1d, 0x1e };
40
2e29bd04
BS
41typedef struct UNINState {
42 SysBusDevice busdev;
43 PCIHostState host_state;
d86f0e32 44 ReadWriteHandler data_handler;
2e29bd04 45} UNINState;
502a5395 46
d2b59317 47static 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 57static 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
66static void pci_unin_save(QEMUFile* f, void *opaque)
67{
68 PCIDevice *d = opaque;
69
70 pci_device_save(d, f);
71}
72
73static 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
83static void pci_unin_reset(void *opaque)
84{
85}
86
d86f0e32
AG
87static 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
120static 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);
d86f0e32 124 val = qemu_bswap_len(val, len);
d86f0e32
AG
125 UNIN_DPRINTF("write addr %" FMT_PCIBUS " len %d val %x\n", addr, len, val);
126 pci_data_write(s->host_state.bus,
127 unin_get_config_reg(s->host_state.config_reg, addr),
128 val, len);
129}
130
131static uint32_t unin_data_read(ReadWriteHandler *handler,
132 pcibus_t addr, int len)
133{
134 UNINState *s = container_of(handler, UNINState, data_handler);
135 uint32_t val;
136
137 val = pci_data_read(s->host_state.bus,
138 unin_get_config_reg(s->host_state.config_reg, addr),
139 len);
140 UNIN_DPRINTF("read addr %" FMT_PCIBUS " len %d val %x\n", addr, len, val);
d86f0e32 141 val = qemu_bswap_len(val, len);
d86f0e32
AG
142 return val;
143}
144
81a322d4 145static int pci_unin_main_init_device(SysBusDevice *dev)
502a5395
PB
146{
147 UNINState *s;
502a5395
PB
148 int pci_mem_config, pci_mem_data;
149
150 /* Use values found on a real PowerMac */
151 /* Uninorth main bus */
2e29bd04 152 s = FROM_SYSBUS(UNINState, dev);
502a5395 153
952760bb 154 pci_mem_config = pci_host_conf_register_mmio(&s->host_state, 1);
d86f0e32
AG
155 s->data_handler.read = unin_data_read;
156 s->data_handler.write = unin_data_write;
157 pci_mem_data = cpu_register_io_memory_simple(&s->data_handler);
2e29bd04
BS
158 sysbus_init_mmio(dev, 0x1000, pci_mem_config);
159 sysbus_init_mmio(dev, 0x1000, pci_mem_data);
160
0be71e32
AW
161 register_savevm(&dev->qdev, "uninorth", 0, 1,
162 pci_unin_save, pci_unin_load, &s->host_state);
2e29bd04 163 qemu_register_reset(pci_unin_reset, &s->host_state);
81a322d4 164 return 0;
2e29bd04
BS
165}
166
0f921197
AG
167static int pci_u3_agp_init_device(SysBusDevice *dev)
168{
169 UNINState *s;
170 int pci_mem_config, pci_mem_data;
171
172 /* Uninorth U3 AGP bus */
173 s = FROM_SYSBUS(UNINState, dev);
174
952760bb 175 pci_mem_config = pci_host_conf_register_mmio(&s->host_state, 1);
0f921197
AG
176 s->data_handler.read = unin_data_read;
177 s->data_handler.write = unin_data_write;
178 pci_mem_data = cpu_register_io_memory_simple(&s->data_handler);
179 sysbus_init_mmio(dev, 0x1000, pci_mem_config);
180 sysbus_init_mmio(dev, 0x1000, pci_mem_data);
181
0be71e32
AW
182 register_savevm(&dev->qdev, "uninorth", 0, 1,
183 pci_unin_save, pci_unin_load, &s->host_state);
0f921197
AG
184 qemu_register_reset(pci_unin_reset, &s->host_state);
185
186 return 0;
187}
188
81a322d4 189static int pci_unin_agp_init_device(SysBusDevice *dev)
2e29bd04
BS
190{
191 UNINState *s;
192 int pci_mem_config, pci_mem_data;
193
194 /* Uninorth AGP bus */
195 s = FROM_SYSBUS(UNINState, dev);
196
952760bb
BS
197 pci_mem_config = pci_host_conf_register_mmio(&s->host_state, 0);
198 pci_mem_data = pci_host_data_register_mmio(&s->host_state, 1);
2e29bd04
BS
199 sysbus_init_mmio(dev, 0x1000, pci_mem_config);
200 sysbus_init_mmio(dev, 0x1000, pci_mem_data);
81a322d4 201 return 0;
2e29bd04
BS
202}
203
81a322d4 204static int pci_unin_internal_init_device(SysBusDevice *dev)
2e29bd04
BS
205{
206 UNINState *s;
207 int pci_mem_config, pci_mem_data;
208
209 /* Uninorth internal bus */
210 s = FROM_SYSBUS(UNINState, dev);
211
952760bb
BS
212 pci_mem_config = pci_host_conf_register_mmio(&s->host_state, 0);
213 pci_mem_data = pci_host_data_register_mmio(&s->host_state, 1);
2e29bd04
BS
214 sysbus_init_mmio(dev, 0x1000, pci_mem_config);
215 sysbus_init_mmio(dev, 0x1000, pci_mem_data);
81a322d4 216 return 0;
2e29bd04
BS
217}
218
219PCIBus *pci_pmac_init(qemu_irq *pic)
220{
221 DeviceState *dev;
222 SysBusDevice *s;
223 UNINState *d;
224
225 /* Use values found on a real PowerMac */
226 /* Uninorth main bus */
18dd19a7 227 dev = qdev_create(NULL, "uni-north");
e23a1b33 228 qdev_init_nofail(dev);
2e29bd04
BS
229 s = sysbus_from_qdev(dev);
230 d = FROM_SYSBUS(UNINState, s);
cdd0935c 231 d->host_state.bus = pci_register_bus(&d->busdev.qdev, "pci",
2e29bd04 232 pci_unin_set_irq, pci_unin_map_irq,
520128bd 233 pic, PCI_DEVFN(11, 0), 4);
2e29bd04 234
60398748 235#if 0
520128bd 236 pci_create_simple(d->host_state.bus, PCI_DEVFN(11, 0), "uni-north");
60398748 237#endif
2e29bd04
BS
238
239 sysbus_mmio_map(s, 0, 0xf2800000);
240 sysbus_mmio_map(s, 1, 0xf2c00000);
241
242 /* DEC 21154 bridge */
243#if 0
244 /* XXX: not activated as PPC BIOS doesn't handle multiple buses properly */
520128bd 245 pci_create_simple(d->host_state.bus, PCI_DEVFN(12, 0), "dec-21154");
2e29bd04
BS
246#endif
247
248 /* Uninorth AGP bus */
520128bd 249 pci_create_simple(d->host_state.bus, PCI_DEVFN(11, 0), "uni-north-agp");
18dd19a7 250 dev = qdev_create(NULL, "uni-north-agp");
d27d06f2
BS
251 qdev_init_nofail(dev);
252 s = sysbus_from_qdev(dev);
253 sysbus_mmio_map(s, 0, 0xf0800000);
254 sysbus_mmio_map(s, 1, 0xf0c00000);
2e29bd04
BS
255
256 /* Uninorth internal bus */
257#if 0
258 /* XXX: not needed for now */
520128bd 259 pci_create_simple(d->host_state.bus, PCI_DEVFN(14, 0), "uni-north-pci");
18dd19a7 260 dev = qdev_create(NULL, "uni-north-pci");
d27d06f2
BS
261 qdev_init_nofail(dev);
262 s = sysbus_from_qdev(dev);
263 sysbus_mmio_map(s, 0, 0xf4800000);
264 sysbus_mmio_map(s, 1, 0xf4c00000);
2e29bd04
BS
265#endif
266
267 return d->host_state.bus;
268}
269
0f921197
AG
270PCIBus *pci_pmac_u3_init(qemu_irq *pic)
271{
272 DeviceState *dev;
273 SysBusDevice *s;
274 UNINState *d;
275
276 /* Uninorth AGP bus */
277
278 dev = qdev_create(NULL, "u3-agp");
279 qdev_init_nofail(dev);
280 s = sysbus_from_qdev(dev);
281 d = FROM_SYSBUS(UNINState, s);
282
283 d->host_state.bus = pci_register_bus(&d->busdev.qdev, "pci",
284 pci_unin_set_irq, pci_unin_map_irq,
520128bd 285 pic, PCI_DEVFN(11, 0), 4);
0f921197
AG
286
287 sysbus_mmio_map(s, 0, 0xf0800000);
288 sysbus_mmio_map(s, 1, 0xf0c00000);
289
290 pci_create_simple(d->host_state.bus, 11 << 3, "u3-agp");
291
292 return d->host_state.bus;
293}
294
81a322d4 295static int unin_main_pci_host_init(PCIDevice *d)
2e29bd04 296{
deb54399 297 pci_config_set_vendor_id(d->config, PCI_VENDOR_ID_APPLE);
4ebcf884 298 pci_config_set_device_id(d->config, PCI_DEVICE_ID_APPLE_UNI_N_PCI);
502a5395 299 d->config[0x08] = 0x00; // revision
173a543b 300 pci_config_set_class(d->config, PCI_CLASS_BRIDGE_HOST);
502a5395
PB
301 d->config[0x0C] = 0x08; // cache_line_size
302 d->config[0x0D] = 0x10; // latency_timer
502a5395 303 d->config[0x34] = 0x00; // capabilities_pointer
81a322d4 304 return 0;
2e29bd04 305}
502a5395 306
81a322d4 307static int unin_agp_pci_host_init(PCIDevice *d)
2e29bd04 308{
deb54399
AL
309 pci_config_set_vendor_id(d->config, PCI_VENDOR_ID_APPLE);
310 pci_config_set_device_id(d->config, PCI_DEVICE_ID_APPLE_UNI_N_AGP);
502a5395 311 d->config[0x08] = 0x00; // revision
173a543b 312 pci_config_set_class(d->config, PCI_CLASS_BRIDGE_HOST);
502a5395
PB
313 d->config[0x0C] = 0x08; // cache_line_size
314 d->config[0x0D] = 0x10; // latency_timer
502a5395 315 // d->config[0x34] = 0x80; // capabilities_pointer
81a322d4 316 return 0;
2e29bd04 317}
502a5395 318
0f921197
AG
319static int u3_agp_pci_host_init(PCIDevice *d)
320{
321 pci_config_set_vendor_id(d->config, PCI_VENDOR_ID_APPLE);
322 pci_config_set_device_id(d->config, PCI_DEVICE_ID_APPLE_U3_AGP);
323 /* revision */
324 d->config[0x08] = 0x00;
325 pci_config_set_class(d->config, PCI_CLASS_BRIDGE_HOST);
326 /* cache line size */
327 d->config[0x0C] = 0x08;
328 /* latency timer */
329 d->config[0x0D] = 0x10;
0f921197
AG
330 return 0;
331}
332
81a322d4 333static int unin_internal_pci_host_init(PCIDevice *d)
2e29bd04 334{
deb54399 335 pci_config_set_vendor_id(d->config, PCI_VENDOR_ID_APPLE);
4ebcf884 336 pci_config_set_device_id(d->config, PCI_DEVICE_ID_APPLE_UNI_N_I_PCI);
502a5395 337 d->config[0x08] = 0x00; // revision
173a543b 338 pci_config_set_class(d->config, PCI_CLASS_BRIDGE_HOST);
502a5395
PB
339 d->config[0x0C] = 0x08; // cache_line_size
340 d->config[0x0D] = 0x10; // latency_timer
502a5395 341 d->config[0x34] = 0x00; // capabilities_pointer
81a322d4 342 return 0;
2e29bd04
BS
343}
344
345static PCIDeviceInfo unin_main_pci_host_info = {
18dd19a7 346 .qdev.name = "uni-north",
2e29bd04
BS
347 .qdev.size = sizeof(PCIDevice),
348 .init = unin_main_pci_host_init,
349};
350
0f921197
AG
351static PCIDeviceInfo u3_agp_pci_host_info = {
352 .qdev.name = "u3-agp",
353 .qdev.size = sizeof(PCIDevice),
354 .init = u3_agp_pci_host_init,
355};
356
2e29bd04 357static PCIDeviceInfo unin_agp_pci_host_info = {
18dd19a7 358 .qdev.name = "uni-north-agp",
2e29bd04
BS
359 .qdev.size = sizeof(PCIDevice),
360 .init = unin_agp_pci_host_init,
361};
362
363static PCIDeviceInfo unin_internal_pci_host_info = {
18dd19a7 364 .qdev.name = "uni-north-pci",
2e29bd04
BS
365 .qdev.size = sizeof(PCIDevice),
366 .init = unin_internal_pci_host_init,
367};
368
369static void unin_register_devices(void)
370{
18dd19a7 371 sysbus_register_dev("uni-north", sizeof(UNINState),
2e29bd04
BS
372 pci_unin_main_init_device);
373 pci_qdev_register(&unin_main_pci_host_info);
0f921197
AG
374 sysbus_register_dev("u3-agp", sizeof(UNINState),
375 pci_u3_agp_init_device);
376 pci_qdev_register(&u3_agp_pci_host_info);
18dd19a7 377 sysbus_register_dev("uni-north-agp", sizeof(UNINState),
2e29bd04
BS
378 pci_unin_agp_init_device);
379 pci_qdev_register(&unin_agp_pci_host_info);
18dd19a7 380 sysbus_register_dev("uni-north-pci", sizeof(UNINState),
2e29bd04
BS
381 pci_unin_internal_init_device);
382 pci_qdev_register(&unin_internal_pci_host_info);
502a5395 383}
2e29bd04
BS
384
385device_init(unin_register_devices)