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1 /*
2 * QEMU GT64120 PCI host
3 *
4 * Copyright (c) 2006,2007 Aurelien Jarno
5 *
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 */
24
25 #include "vl.h"
26
27 typedef target_phys_addr_t pci_addr_t;
28 #include "pci_host.h"
29
30 //#define DEBUG
31
32 #ifdef DEBUG
33 #define dprintf(fmt, ...) fprintf(stderr, "%s: " fmt, __FUNCTION__, ##__VA_ARGS__)
34 #else
35 #define dprintf(fmt, ...)
36 #endif
37
38 #define GT_REGS (0x1000 >> 2)
39
40 /* CPU Configuration */
41 #define GT_CPU (0x000 >> 2)
42 #define GT_MULTI (0x120 >> 2)
43
44 /* CPU Address Decode */
45 #define GT_SCS10LD (0x008 >> 2)
46 #define GT_SCS10HD (0x010 >> 2)
47 #define GT_SCS32LD (0x018 >> 2)
48 #define GT_SCS32HD (0x020 >> 2)
49 #define GT_CS20LD (0x028 >> 2)
50 #define GT_CS20HD (0x030 >> 2)
51 #define GT_CS3BOOTLD (0x038 >> 2)
52 #define GT_CS3BOOTHD (0x040 >> 2)
53 #define GT_PCI0IOLD (0x048 >> 2)
54 #define GT_PCI0IOHD (0x050 >> 2)
55 #define GT_PCI0M0LD (0x058 >> 2)
56 #define GT_PCI0M0HD (0x060 >> 2)
57 #define GT_PCI0M1LD (0x080 >> 2)
58 #define GT_PCI0M1HD (0x088 >> 2)
59 #define GT_PCI1IOLD (0x090 >> 2)
60 #define GT_PCI1IOHD (0x098 >> 2)
61 #define GT_PCI1M0LD (0x0a0 >> 2)
62 #define GT_PCI1M0HD (0x0a8 >> 2)
63 #define GT_PCI1M1LD (0x0b0 >> 2)
64 #define GT_PCI1M1HD (0x0b8 >> 2)
65 #define GT_ISD (0x068 >> 2)
66
67 #define GT_SCS10AR (0x0d0 >> 2)
68 #define GT_SCS32AR (0x0d8 >> 2)
69 #define GT_CS20R (0x0e0 >> 2)
70 #define GT_CS3BOOTR (0x0e8 >> 2)
71
72 #define GT_PCI0IOREMAP (0x0f0 >> 2)
73 #define GT_PCI0M0REMAP (0x0f8 >> 2)
74 #define GT_PCI0M1REMAP (0x100 >> 2)
75 #define GT_PCI1IOREMAP (0x108 >> 2)
76 #define GT_PCI1M0REMAP (0x110 >> 2)
77 #define GT_PCI1M1REMAP (0x118 >> 2)
78
79 /* CPU Error Report */
80 #define GT_CPUERR_ADDRLO (0x070 >> 2)
81 #define GT_CPUERR_ADDRHI (0x078 >> 2)
82 #define GT_CPUERR_DATALO (0x128 >> 2) /* GT-64120A only */
83 #define GT_CPUERR_DATAHI (0x130 >> 2) /* GT-64120A only */
84 #define GT_CPUERR_PARITY (0x138 >> 2) /* GT-64120A only */
85
86 /* CPU Sync Barrier */
87 #define GT_PCI0SYNC (0x0c0 >> 2)
88 #define GT_PCI1SYNC (0x0c8 >> 2)
89
90 /* SDRAM and Device Address Decode */
91 #define GT_SCS0LD (0x400 >> 2)
92 #define GT_SCS0HD (0x404 >> 2)
93 #define GT_SCS1LD (0x408 >> 2)
94 #define GT_SCS1HD (0x40c >> 2)
95 #define GT_SCS2LD (0x410 >> 2)
96 #define GT_SCS2HD (0x414 >> 2)
97 #define GT_SCS3LD (0x418 >> 2)
98 #define GT_SCS3HD (0x41c >> 2)
99 #define GT_CS0LD (0x420 >> 2)
100 #define GT_CS0HD (0x424 >> 2)
101 #define GT_CS1LD (0x428 >> 2)
102 #define GT_CS1HD (0x42c >> 2)
103 #define GT_CS2LD (0x430 >> 2)
104 #define GT_CS2HD (0x434 >> 2)
105 #define GT_CS3LD (0x438 >> 2)
106 #define GT_CS3HD (0x43c >> 2)
107 #define GT_BOOTLD (0x440 >> 2)
108 #define GT_BOOTHD (0x444 >> 2)
109 #define GT_ADERR (0x470 >> 2)
110
111 /* SDRAM Configuration */
112 #define GT_SDRAM_CFG (0x448 >> 2)
113 #define GT_SDRAM_OPMODE (0x474 >> 2)
114 #define GT_SDRAM_BM (0x478 >> 2)
115 #define GT_SDRAM_ADDRDECODE (0x47c >> 2)
116
117 /* SDRAM Parameters */
118 #define GT_SDRAM_B0 (0x44c >> 2)
119 #define GT_SDRAM_B1 (0x450 >> 2)
120 #define GT_SDRAM_B2 (0x454 >> 2)
121 #define GT_SDRAM_B3 (0x458 >> 2)
122
123 /* Device Parameters */
124 #define GT_DEV_B0 (0x45c >> 2)
125 #define GT_DEV_B1 (0x460 >> 2)
126 #define GT_DEV_B2 (0x464 >> 2)
127 #define GT_DEV_B3 (0x468 >> 2)
128 #define GT_DEV_BOOT (0x46c >> 2)
129
130 /* ECC */
131 #define GT_ECC_ERRDATALO (0x480 >> 2) /* GT-64120A only */
132 #define GT_ECC_ERRDATAHI (0x484 >> 2) /* GT-64120A only */
133 #define GT_ECC_MEM (0x488 >> 2) /* GT-64120A only */
134 #define GT_ECC_CALC (0x48c >> 2) /* GT-64120A only */
135 #define GT_ECC_ERRADDR (0x490 >> 2) /* GT-64120A only */
136
137 /* DMA Record */
138 #define GT_DMA0_CNT (0x800 >> 2)
139 #define GT_DMA1_CNT (0x804 >> 2)
140 #define GT_DMA2_CNT (0x808 >> 2)
141 #define GT_DMA3_CNT (0x80c >> 2)
142 #define GT_DMA0_SA (0x810 >> 2)
143 #define GT_DMA1_SA (0x814 >> 2)
144 #define GT_DMA2_SA (0x818 >> 2)
145 #define GT_DMA3_SA (0x81c >> 2)
146 #define GT_DMA0_DA (0x820 >> 2)
147 #define GT_DMA1_DA (0x824 >> 2)
148 #define GT_DMA2_DA (0x828 >> 2)
149 #define GT_DMA3_DA (0x82c >> 2)
150 #define GT_DMA0_NEXT (0x830 >> 2)
151 #define GT_DMA1_NEXT (0x834 >> 2)
152 #define GT_DMA2_NEXT (0x838 >> 2)
153 #define GT_DMA3_NEXT (0x83c >> 2)
154 #define GT_DMA0_CUR (0x870 >> 2)
155 #define GT_DMA1_CUR (0x874 >> 2)
156 #define GT_DMA2_CUR (0x878 >> 2)
157 #define GT_DMA3_CUR (0x87c >> 2)
158
159 /* DMA Channel Control */
160 #define GT_DMA0_CTRL (0x840 >> 2)
161 #define GT_DMA1_CTRL (0x844 >> 2)
162 #define GT_DMA2_CTRL (0x848 >> 2)
163 #define GT_DMA3_CTRL (0x84c >> 2)
164
165 /* DMA Arbiter */
166 #define GT_DMA_ARB (0x860 >> 2)
167
168 /* Timer/Counter */
169 #define GT_TC0 (0x850 >> 2)
170 #define GT_TC1 (0x854 >> 2)
171 #define GT_TC2 (0x858 >> 2)
172 #define GT_TC3 (0x85c >> 2)
173 #define GT_TC_CONTROL (0x864 >> 2)
174
175 /* PCI Internal */
176 #define GT_PCI0_CMD (0xc00 >> 2)
177 #define GT_PCI0_TOR (0xc04 >> 2)
178 #define GT_PCI0_BS_SCS10 (0xc08 >> 2)
179 #define GT_PCI0_BS_SCS32 (0xc0c >> 2)
180 #define GT_PCI0_BS_CS20 (0xc10 >> 2)
181 #define GT_PCI0_BS_CS3BT (0xc14 >> 2)
182 #define GT_PCI1_IACK (0xc30 >> 2)
183 #define GT_PCI0_IACK (0xc34 >> 2)
184 #define GT_PCI0_BARE (0xc3c >> 2)
185 #define GT_PCI0_PREFMBR (0xc40 >> 2)
186 #define GT_PCI0_SCS10_BAR (0xc48 >> 2)
187 #define GT_PCI0_SCS32_BAR (0xc4c >> 2)
188 #define GT_PCI0_CS20_BAR (0xc50 >> 2)
189 #define GT_PCI0_CS3BT_BAR (0xc54 >> 2)
190 #define GT_PCI0_SSCS10_BAR (0xc58 >> 2)
191 #define GT_PCI0_SSCS32_BAR (0xc5c >> 2)
192 #define GT_PCI0_SCS3BT_BAR (0xc64 >> 2)
193 #define GT_PCI1_CMD (0xc80 >> 2)
194 #define GT_PCI1_TOR (0xc84 >> 2)
195 #define GT_PCI1_BS_SCS10 (0xc88 >> 2)
196 #define GT_PCI1_BS_SCS32 (0xc8c >> 2)
197 #define GT_PCI1_BS_CS20 (0xc90 >> 2)
198 #define GT_PCI1_BS_CS3BT (0xc94 >> 2)
199 #define GT_PCI1_BARE (0xcbc >> 2)
200 #define GT_PCI1_PREFMBR (0xcc0 >> 2)
201 #define GT_PCI1_SCS10_BAR (0xcc8 >> 2)
202 #define GT_PCI1_SCS32_BAR (0xccc >> 2)
203 #define GT_PCI1_CS20_BAR (0xcd0 >> 2)
204 #define GT_PCI1_CS3BT_BAR (0xcd4 >> 2)
205 #define GT_PCI1_SSCS10_BAR (0xcd8 >> 2)
206 #define GT_PCI1_SSCS32_BAR (0xcdc >> 2)
207 #define GT_PCI1_SCS3BT_BAR (0xce4 >> 2)
208 #define GT_PCI1_CFGADDR (0xcf0 >> 2)
209 #define GT_PCI1_CFGDATA (0xcf4 >> 2)
210 #define GT_PCI0_CFGADDR (0xcf8 >> 2)
211 #define GT_PCI0_CFGDATA (0xcfc >> 2)
212
213 /* Interrupts */
214 #define GT_INTRCAUSE (0xc18 >> 2)
215 #define GT_INTRMASK (0xc1c >> 2)
216 #define GT_PCI0_ICMASK (0xc24 >> 2)
217 #define GT_PCI0_SERR0MASK (0xc28 >> 2)
218 #define GT_CPU_INTSEL (0xc70 >> 2)
219 #define GT_PCI0_INTSEL (0xc74 >> 2)
220 #define GT_HINTRCAUSE (0xc98 >> 2)
221 #define GT_HINTRMASK (0xc9c >> 2)
222 #define GT_PCI0_HICMASK (0xca4 >> 2)
223 #define GT_PCI1_SERR1MASK (0xca8 >> 2)
224
225
226 typedef PCIHostState GT64120PCIState;
227
228 #define PCI_MAPPING_ENTRY(regname) \
229 target_phys_addr_t regname ##_start; \
230 target_phys_addr_t regname ##_length; \
231 int regname ##_handle
232
233 typedef struct GT64120State {
234 GT64120PCIState *pci;
235 uint32_t regs[GT_REGS];
236 PCI_MAPPING_ENTRY(PCI0IO);
237 PCI_MAPPING_ENTRY(ISD);
238 } GT64120State;
239
240 /* Adjust range to avoid touching space which isn't mappable via PCI */
241 /* XXX: Hardcoded values for Malta: 0x1e000000 - 0x1f100000
242 0x1fc00000 - 0x1fd00000 */
243 static void check_reserved_space (target_phys_addr_t *start,
244 target_phys_addr_t *length)
245 {
246 target_phys_addr_t begin = *start;
247 target_phys_addr_t end = *start + *length;
248
249 if (end >= 0x1e000000LL && end < 0x1f100000LL)
250 end = 0x1e000000LL;
251 if (begin >= 0x1e000000LL && begin < 0x1f100000LL)
252 begin = 0x1f100000LL;
253 if (end >= 0x1fc00000LL && end < 0x1fd00000LL)
254 end = 0x1fc00000LL;
255 if (begin >= 0x1fc00000LL && begin < 0x1fd00000LL)
256 begin = 0x1fd00000LL;
257 /* XXX: This is broken when a reserved range splits the requested range */
258 if (end >= 0x1f100000LL && begin < 0x1e000000LL)
259 end = 0x1e000000LL;
260 if (end >= 0x1fd00000LL && begin < 0x1fc00000LL)
261 end = 0x1fc00000LL;
262
263 *start = begin;
264 *length = end - begin;
265 }
266
267 static void gt64120_isd_mapping(GT64120State *s)
268 {
269 target_phys_addr_t start = s->regs[GT_ISD] << 21;
270 target_phys_addr_t length = 0x1000;
271
272 if (s->ISD_length)
273 cpu_register_physical_memory(s->ISD_start, s->ISD_length,
274 IO_MEM_UNASSIGNED);
275 check_reserved_space(&start, &length);
276 length = 0x1000;
277 /* Map new address */
278 dprintf("ISD: %x@%x -> %x@%x, %x\n", s->ISD_length, s->ISD_start,
279 length, start, s->ISD_handle);
280 s->ISD_start = start;
281 s->ISD_length = length;
282 cpu_register_physical_memory(s->ISD_start, s->ISD_length, s->ISD_handle);
283 }
284
285 static void gt64120_pci_mapping(GT64120State *s)
286 {
287 /* Update IO mapping */
288 if ((s->regs[GT_PCI0IOLD] & 0x7f) <= s->regs[GT_PCI0IOHD])
289 {
290 /* Unmap old IO address */
291 if (s->PCI0IO_length)
292 {
293 cpu_register_physical_memory(s->PCI0IO_start, s->PCI0IO_length, IO_MEM_UNASSIGNED);
294 }
295 /* Map new IO address */
296 s->PCI0IO_start = s->regs[GT_PCI0IOLD] << 21;
297 s->PCI0IO_length = ((s->regs[GT_PCI0IOHD] + 1) - (s->regs[GT_PCI0IOLD] & 0x7f)) << 21;
298 isa_mem_base = s->PCI0IO_start;
299 isa_mmio_init(s->PCI0IO_start, s->PCI0IO_length);
300 }
301 }
302
303 static void gt64120_writel (void *opaque, target_phys_addr_t addr,
304 uint32_t val)
305 {
306 GT64120State *s = opaque;
307 uint32_t saddr;
308
309 #ifdef TARGET_WORDS_BIGENDIAN
310 val = bswap32(val);
311 #endif
312
313 saddr = (addr & 0xfff) >> 2;
314 switch (saddr) {
315
316 /* CPU Configuration */
317 case GT_CPU:
318 s->regs[GT_CPU] = val;
319 break;
320 case GT_MULTI:
321 /* Read-only register as only one GT64xxx is present on the CPU bus */
322 break;
323
324 /* CPU Address Decode */
325 case GT_PCI0IOLD:
326 s->regs[GT_PCI0IOLD] = val & 0x00007fff;
327 s->regs[GT_PCI0IOREMAP] = val & 0x000007ff;
328 gt64120_pci_mapping(s);
329 break;
330 case GT_PCI0M0LD:
331 s->regs[GT_PCI0M0LD] = val & 0x00007fff;
332 s->regs[GT_PCI0M0REMAP] = val & 0x000007ff;
333 gt64120_pci_mapping(s);
334 break;
335 case GT_PCI0M1LD:
336 s->regs[GT_PCI0M1LD] = val & 0x00007fff;
337 s->regs[GT_PCI0M1REMAP] = val & 0x000007ff;
338 gt64120_pci_mapping(s);
339 break;
340 case GT_PCI1IOLD:
341 s->regs[GT_PCI1IOLD] = val & 0x00007fff;
342 s->regs[GT_PCI1IOREMAP] = val & 0x000007ff;
343 gt64120_pci_mapping(s);
344 break;
345 case GT_PCI1M0LD:
346 s->regs[GT_PCI1M0LD] = val & 0x00007fff;
347 s->regs[GT_PCI1M0REMAP] = val & 0x000007ff;
348 gt64120_pci_mapping(s);
349 break;
350 case GT_PCI1M1LD:
351 s->regs[GT_PCI1M1LD] = val & 0x00007fff;
352 s->regs[GT_PCI1M1REMAP] = val & 0x000007ff;
353 gt64120_pci_mapping(s);
354 break;
355 case GT_PCI0IOHD:
356 case GT_PCI0M0HD:
357 case GT_PCI0M1HD:
358 case GT_PCI1IOHD:
359 case GT_PCI1M0HD:
360 case GT_PCI1M1HD:
361 s->regs[saddr] = val & 0x0000007f;
362 gt64120_pci_mapping(s);
363 break;
364 case GT_ISD:
365 s->regs[saddr] = val & 0x00007fff;
366 gt64120_isd_mapping(s);
367 break;
368
369 case GT_PCI0IOREMAP:
370 case GT_PCI0M0REMAP:
371 case GT_PCI0M1REMAP:
372 case GT_PCI1IOREMAP:
373 case GT_PCI1M0REMAP:
374 case GT_PCI1M1REMAP:
375 s->regs[saddr] = val & 0x000007ff;
376 gt64120_pci_mapping(s);
377 break;
378
379 /* CPU Error Report */
380 case GT_CPUERR_ADDRLO:
381 case GT_CPUERR_ADDRHI:
382 case GT_CPUERR_DATALO:
383 case GT_CPUERR_DATAHI:
384 case GT_CPUERR_PARITY:
385 /* Read-only registers, do nothing */
386 break;
387
388 /* CPU Sync Barrier */
389 case GT_PCI0SYNC:
390 case GT_PCI1SYNC:
391 /* Read-only registers, do nothing */
392 break;
393
394 /* SDRAM and Device Address Decode */
395 case GT_SCS0LD:
396 case GT_SCS0HD:
397 case GT_SCS1LD:
398 case GT_SCS1HD:
399 case GT_SCS2LD:
400 case GT_SCS2HD:
401 case GT_SCS3LD:
402 case GT_SCS3HD:
403 case GT_CS0LD:
404 case GT_CS0HD:
405 case GT_CS1LD:
406 case GT_CS1HD:
407 case GT_CS2LD:
408 case GT_CS2HD:
409 case GT_CS3LD:
410 case GT_CS3HD:
411 case GT_BOOTLD:
412 case GT_BOOTHD:
413 case GT_ADERR:
414 /* SDRAM Configuration */
415 case GT_SDRAM_CFG:
416 case GT_SDRAM_OPMODE:
417 case GT_SDRAM_BM:
418 case GT_SDRAM_ADDRDECODE:
419 /* Accept and ignore SDRAM interleave configuration */
420 s->regs[saddr] = val;
421 break;
422
423 /* Device Parameters */
424 case GT_DEV_B0:
425 case GT_DEV_B1:
426 case GT_DEV_B2:
427 case GT_DEV_B3:
428 case GT_DEV_BOOT:
429 /* Not implemented */
430 dprintf ("Unimplemented device register offset 0x%x\n", saddr << 2);
431 break;
432
433 /* ECC */
434 case GT_ECC_ERRDATALO:
435 case GT_ECC_ERRDATAHI:
436 case GT_ECC_MEM:
437 case GT_ECC_CALC:
438 case GT_ECC_ERRADDR:
439 /* Read-only registers, do nothing */
440 break;
441
442 /* DMA Record */
443 case GT_DMA0_CNT:
444 case GT_DMA1_CNT:
445 case GT_DMA2_CNT:
446 case GT_DMA3_CNT:
447 case GT_DMA0_SA:
448 case GT_DMA1_SA:
449 case GT_DMA2_SA:
450 case GT_DMA3_SA:
451 case GT_DMA0_DA:
452 case GT_DMA1_DA:
453 case GT_DMA2_DA:
454 case GT_DMA3_DA:
455 case GT_DMA0_NEXT:
456 case GT_DMA1_NEXT:
457 case GT_DMA2_NEXT:
458 case GT_DMA3_NEXT:
459 case GT_DMA0_CUR:
460 case GT_DMA1_CUR:
461 case GT_DMA2_CUR:
462 case GT_DMA3_CUR:
463 /* Not implemented */
464 dprintf ("Unimplemented DMA register offset 0x%x\n", saddr << 2);
465 break;
466
467 /* DMA Channel Control */
468 case GT_DMA0_CTRL:
469 case GT_DMA1_CTRL:
470 case GT_DMA2_CTRL:
471 case GT_DMA3_CTRL:
472 /* Not implemented */
473 dprintf ("Unimplemented DMA register offset 0x%x\n", saddr << 2);
474 break;
475
476 /* DMA Arbiter */
477 case GT_DMA_ARB:
478 /* Not implemented */
479 dprintf ("Unimplemented DMA register offset 0x%x\n", saddr << 2);
480 break;
481
482 /* Timer/Counter */
483 case GT_TC0:
484 case GT_TC1:
485 case GT_TC2:
486 case GT_TC3:
487 case GT_TC_CONTROL:
488 /* Not implemented */
489 dprintf ("Unimplemented timer register offset 0x%x\n", saddr << 2);
490 break;
491
492 /* PCI Internal */
493 case GT_PCI0_CMD:
494 case GT_PCI1_CMD:
495 s->regs[saddr] = val & 0x0401fc0f;
496 break;
497 case GT_PCI0_TOR:
498 case GT_PCI0_BS_SCS10:
499 case GT_PCI0_BS_SCS32:
500 case GT_PCI0_BS_CS20:
501 case GT_PCI0_BS_CS3BT:
502 case GT_PCI1_IACK:
503 case GT_PCI0_IACK:
504 case GT_PCI0_BARE:
505 case GT_PCI0_PREFMBR:
506 case GT_PCI0_SCS10_BAR:
507 case GT_PCI0_SCS32_BAR:
508 case GT_PCI0_CS20_BAR:
509 case GT_PCI0_CS3BT_BAR:
510 case GT_PCI0_SSCS10_BAR:
511 case GT_PCI0_SSCS32_BAR:
512 case GT_PCI0_SCS3BT_BAR:
513 case GT_PCI1_TOR:
514 case GT_PCI1_BS_SCS10:
515 case GT_PCI1_BS_SCS32:
516 case GT_PCI1_BS_CS20:
517 case GT_PCI1_BS_CS3BT:
518 case GT_PCI1_BARE:
519 case GT_PCI1_PREFMBR:
520 case GT_PCI1_SCS10_BAR:
521 case GT_PCI1_SCS32_BAR:
522 case GT_PCI1_CS20_BAR:
523 case GT_PCI1_CS3BT_BAR:
524 case GT_PCI1_SSCS10_BAR:
525 case GT_PCI1_SSCS32_BAR:
526 case GT_PCI1_SCS3BT_BAR:
527 case GT_PCI1_CFGADDR:
528 case GT_PCI1_CFGDATA:
529 /* not implemented */
530 break;
531 case GT_PCI0_CFGADDR:
532 s->pci->config_reg = val & 0x80fffffc;
533 break;
534 case GT_PCI0_CFGDATA:
535 if (s->pci->config_reg & (1u << 31))
536 pci_host_data_writel(s->pci, 0, val);
537 break;
538
539 /* Interrupts */
540 case GT_INTRCAUSE:
541 /* not really implemented */
542 s->regs[saddr] = ~(~(s->regs[saddr]) | ~(val & 0xfffffffe));
543 s->regs[saddr] |= !!(s->regs[saddr] & 0xfffffffe);
544 dprintf("INTRCAUSE %x\n", val);
545 break;
546 case GT_INTRMASK:
547 s->regs[saddr] = val & 0x3c3ffffe;
548 dprintf("INTRMASK %x\n", val);
549 break;
550 case GT_PCI0_ICMASK:
551 s->regs[saddr] = val & 0x03fffffe;
552 dprintf("ICMASK %x\n", val);
553 break;
554 case GT_PCI0_SERR0MASK:
555 s->regs[saddr] = val & 0x0000003f;
556 dprintf("SERR0MASK %x\n", val);
557 break;
558
559 /* Reserved when only PCI_0 is configured. */
560 case GT_HINTRCAUSE:
561 case GT_CPU_INTSEL:
562 case GT_PCI0_INTSEL:
563 case GT_HINTRMASK:
564 case GT_PCI0_HICMASK:
565 case GT_PCI1_SERR1MASK:
566 /* not implemented */
567 break;
568
569 /* SDRAM Parameters */
570 case GT_SDRAM_B0:
571 case GT_SDRAM_B1:
572 case GT_SDRAM_B2:
573 case GT_SDRAM_B3:
574 /* We don't simulate electrical parameters of the SDRAM.
575 Accept, but ignore the values. */
576 s->regs[saddr] = val;
577 break;
578
579 default:
580 dprintf ("Bad register offset 0x%x\n", (int)addr);
581 break;
582 }
583 }
584
585 static uint32_t gt64120_readl (void *opaque,
586 target_phys_addr_t addr)
587 {
588 GT64120State *s = opaque;
589 uint32_t val;
590 uint32_t saddr;
591
592 val = 0;
593 saddr = (addr & 0xfff) >> 2;
594
595 switch (saddr) {
596
597 /* CPU Configuration */
598 case GT_MULTI:
599 /* Only one GT64xxx is present on the CPU bus, return
600 the initial value */
601 val = s->regs[saddr];
602 break;
603
604 /* CPU Error Report */
605 case GT_CPUERR_ADDRLO:
606 case GT_CPUERR_ADDRHI:
607 case GT_CPUERR_DATALO:
608 case GT_CPUERR_DATAHI:
609 case GT_CPUERR_PARITY:
610 /* Emulated memory has no error, always return the initial
611 values */
612 val = s->regs[saddr];
613 break;
614
615 /* CPU Sync Barrier */
616 case GT_PCI0SYNC:
617 case GT_PCI1SYNC:
618 /* Reading those register should empty all FIFO on the PCI
619 bus, which are not emulated. The return value should be
620 a random value that should be ignored. */
621 val = 0xc000ffee;
622 break;
623
624 /* ECC */
625 case GT_ECC_ERRDATALO:
626 case GT_ECC_ERRDATAHI:
627 case GT_ECC_MEM:
628 case GT_ECC_CALC:
629 case GT_ECC_ERRADDR:
630 /* Emulated memory has no error, always return the initial
631 values */
632 val = s->regs[saddr];
633 break;
634
635 case GT_CPU:
636 case GT_SCS10LD:
637 case GT_SCS10HD:
638 case GT_SCS32LD:
639 case GT_SCS32HD:
640 case GT_CS20LD:
641 case GT_CS20HD:
642 case GT_CS3BOOTLD:
643 case GT_CS3BOOTHD:
644 case GT_SCS10AR:
645 case GT_SCS32AR:
646 case GT_CS20R:
647 case GT_CS3BOOTR:
648 case GT_PCI0IOLD:
649 case GT_PCI0M0LD:
650 case GT_PCI0M1LD:
651 case GT_PCI1IOLD:
652 case GT_PCI1M0LD:
653 case GT_PCI1M1LD:
654 case GT_PCI0IOHD:
655 case GT_PCI0M0HD:
656 case GT_PCI0M1HD:
657 case GT_PCI1IOHD:
658 case GT_PCI1M0HD:
659 case GT_PCI1M1HD:
660 case GT_PCI0IOREMAP:
661 case GT_PCI0M0REMAP:
662 case GT_PCI0M1REMAP:
663 case GT_PCI1IOREMAP:
664 case GT_PCI1M0REMAP:
665 case GT_PCI1M1REMAP:
666 case GT_ISD:
667 val = s->regs[saddr];
668 break;
669 case GT_PCI0_IACK:
670 /* Read the IRQ number */
671 val = pic_read_irq(isa_pic);
672 break;
673
674 /* SDRAM and Device Address Decode */
675 case GT_SCS0LD:
676 case GT_SCS0HD:
677 case GT_SCS1LD:
678 case GT_SCS1HD:
679 case GT_SCS2LD:
680 case GT_SCS2HD:
681 case GT_SCS3LD:
682 case GT_SCS3HD:
683 case GT_CS0LD:
684 case GT_CS0HD:
685 case GT_CS1LD:
686 case GT_CS1HD:
687 case GT_CS2LD:
688 case GT_CS2HD:
689 case GT_CS3LD:
690 case GT_CS3HD:
691 case GT_BOOTLD:
692 case GT_BOOTHD:
693 case GT_ADERR:
694 val = s->regs[saddr];
695 break;
696
697 /* SDRAM Configuration */
698 case GT_SDRAM_CFG:
699 case GT_SDRAM_OPMODE:
700 case GT_SDRAM_BM:
701 case GT_SDRAM_ADDRDECODE:
702 val = s->regs[saddr];
703 break;
704
705 /* SDRAM Parameters */
706 case GT_SDRAM_B0:
707 case GT_SDRAM_B1:
708 case GT_SDRAM_B2:
709 case GT_SDRAM_B3:
710 /* We don't simulate electrical parameters of the SDRAM.
711 Just return the last written value. */
712 val = s->regs[saddr];
713 break;
714
715 /* Device Parameters */
716 case GT_DEV_B0:
717 case GT_DEV_B1:
718 case GT_DEV_B2:
719 case GT_DEV_B3:
720 case GT_DEV_BOOT:
721 val = s->regs[saddr];
722 break;
723
724 /* DMA Record */
725 case GT_DMA0_CNT:
726 case GT_DMA1_CNT:
727 case GT_DMA2_CNT:
728 case GT_DMA3_CNT:
729 case GT_DMA0_SA:
730 case GT_DMA1_SA:
731 case GT_DMA2_SA:
732 case GT_DMA3_SA:
733 case GT_DMA0_DA:
734 case GT_DMA1_DA:
735 case GT_DMA2_DA:
736 case GT_DMA3_DA:
737 case GT_DMA0_NEXT:
738 case GT_DMA1_NEXT:
739 case GT_DMA2_NEXT:
740 case GT_DMA3_NEXT:
741 case GT_DMA0_CUR:
742 case GT_DMA1_CUR:
743 case GT_DMA2_CUR:
744 case GT_DMA3_CUR:
745 val = s->regs[saddr];
746 break;
747
748 /* DMA Channel Control */
749 case GT_DMA0_CTRL:
750 case GT_DMA1_CTRL:
751 case GT_DMA2_CTRL:
752 case GT_DMA3_CTRL:
753 val = s->regs[saddr];
754 break;
755
756 /* DMA Arbiter */
757 case GT_DMA_ARB:
758 val = s->regs[saddr];
759 break;
760
761 /* Timer/Counter */
762 case GT_TC0:
763 case GT_TC1:
764 case GT_TC2:
765 case GT_TC3:
766 case GT_TC_CONTROL:
767 val = s->regs[saddr];
768 break;
769
770 /* PCI Internal */
771 case GT_PCI0_CFGADDR:
772 val = s->pci->config_reg;
773 break;
774 case GT_PCI0_CFGDATA:
775 if (!(s->pci->config_reg & (1u << 31)))
776 val = 0xffffffff;
777 else
778 val = pci_host_data_readl(s->pci, 0);
779 break;
780
781 case GT_PCI0_CMD:
782 case GT_PCI0_TOR:
783 case GT_PCI0_BS_SCS10:
784 case GT_PCI0_BS_SCS32:
785 case GT_PCI0_BS_CS20:
786 case GT_PCI0_BS_CS3BT:
787 case GT_PCI1_IACK:
788 case GT_PCI0_BARE:
789 case GT_PCI0_PREFMBR:
790 case GT_PCI0_SCS10_BAR:
791 case GT_PCI0_SCS32_BAR:
792 case GT_PCI0_CS20_BAR:
793 case GT_PCI0_CS3BT_BAR:
794 case GT_PCI0_SSCS10_BAR:
795 case GT_PCI0_SSCS32_BAR:
796 case GT_PCI0_SCS3BT_BAR:
797 case GT_PCI1_CMD:
798 case GT_PCI1_TOR:
799 case GT_PCI1_BS_SCS10:
800 case GT_PCI1_BS_SCS32:
801 case GT_PCI1_BS_CS20:
802 case GT_PCI1_BS_CS3BT:
803 case GT_PCI1_BARE:
804 case GT_PCI1_PREFMBR:
805 case GT_PCI1_SCS10_BAR:
806 case GT_PCI1_SCS32_BAR:
807 case GT_PCI1_CS20_BAR:
808 case GT_PCI1_CS3BT_BAR:
809 case GT_PCI1_SSCS10_BAR:
810 case GT_PCI1_SSCS32_BAR:
811 case GT_PCI1_SCS3BT_BAR:
812 case GT_PCI1_CFGADDR:
813 case GT_PCI1_CFGDATA:
814 val = s->regs[saddr];
815 break;
816
817 /* Interrupts */
818 case GT_INTRCAUSE:
819 val = s->regs[saddr];
820 dprintf("INTRCAUSE %x\n", val);
821 break;
822 case GT_INTRMASK:
823 val = s->regs[saddr];
824 dprintf("INTRMASK %x\n", val);
825 break;
826 case GT_PCI0_ICMASK:
827 val = s->regs[saddr];
828 dprintf("ICMASK %x\n", val);
829 break;
830 case GT_PCI0_SERR0MASK:
831 val = s->regs[saddr];
832 dprintf("SERR0MASK %x\n", val);
833 break;
834
835 /* Reserved when only PCI_0 is configured. */
836 case GT_HINTRCAUSE:
837 case GT_CPU_INTSEL:
838 case GT_PCI0_INTSEL:
839 case GT_HINTRMASK:
840 case GT_PCI0_HICMASK:
841 case GT_PCI1_SERR1MASK:
842 val = s->regs[saddr];
843 break;
844
845 default:
846 val = s->regs[saddr];
847 dprintf ("Bad register offset 0x%x\n", (int)addr);
848 break;
849 }
850
851 #ifdef TARGET_WORDS_BIGENDIAN
852 val = bswap32(val);
853 #endif
854 return val;
855 }
856
857 static CPUWriteMemoryFunc *gt64120_write[] = {
858 &gt64120_writel,
859 &gt64120_writel,
860 &gt64120_writel,
861 };
862
863 static CPUReadMemoryFunc *gt64120_read[] = {
864 &gt64120_readl,
865 &gt64120_readl,
866 &gt64120_readl,
867 };
868
869 static int pci_gt64120_map_irq(PCIDevice *pci_dev, int irq_num)
870 {
871 int slot;
872
873 slot = (pci_dev->devfn >> 3);
874
875 switch (slot) {
876 /* PIIX4 USB */
877 case 10:
878 return 3;
879 /* AMD 79C973 Ethernet */
880 case 11:
881 return 1;
882 /* Crystal 4281 Sound */
883 case 12:
884 return 2;
885 /* PCI slot 1 to 4 */
886 case 18 ... 21:
887 return ((slot - 18) + irq_num) & 0x03;
888 /* Unknown device, don't do any translation */
889 default:
890 return irq_num;
891 }
892 }
893
894 extern PCIDevice *piix4_dev;
895 static int pci_irq_levels[4];
896
897 static void pci_gt64120_set_irq(qemu_irq *pic, int irq_num, int level)
898 {
899 int i, pic_irq, pic_level;
900
901 pci_irq_levels[irq_num] = level;
902
903 /* now we change the pic irq level according to the piix irq mappings */
904 /* XXX: optimize */
905 pic_irq = piix4_dev->config[0x60 + irq_num];
906 if (pic_irq < 16) {
907 /* The pic level is the logical OR of all the PCI irqs mapped
908 to it */
909 pic_level = 0;
910 for (i = 0; i < 4; i++) {
911 if (pic_irq == piix4_dev->config[0x60 + i])
912 pic_level |= pci_irq_levels[i];
913 }
914 qemu_set_irq(pic[pic_irq], pic_level);
915 }
916 }
917
918
919 void gt64120_reset(void *opaque)
920 {
921 GT64120State *s = opaque;
922
923 /* FIXME: Malta specific hw assumptions ahead */
924
925 /* CPU Configuration */
926 #ifdef TARGET_WORDS_BIGENDIAN
927 s->regs[GT_CPU] = 0x00000000;
928 #else
929 s->regs[GT_CPU] = 0x00001000;
930 #endif
931 s->regs[GT_MULTI] = 0x00000003;
932
933 /* CPU Address decode */
934 s->regs[GT_SCS10LD] = 0x00000000;
935 s->regs[GT_SCS10HD] = 0x00000007;
936 s->regs[GT_SCS32LD] = 0x00000008;
937 s->regs[GT_SCS32HD] = 0x0000000f;
938 s->regs[GT_CS20LD] = 0x000000e0;
939 s->regs[GT_CS20HD] = 0x00000070;
940 s->regs[GT_CS3BOOTLD] = 0x000000f8;
941 s->regs[GT_CS3BOOTHD] = 0x0000007f;
942
943 s->regs[GT_PCI0IOLD] = 0x00000080;
944 s->regs[GT_PCI0IOHD] = 0x0000000f;
945 s->regs[GT_PCI0M0LD] = 0x00000090;
946 s->regs[GT_PCI0M0HD] = 0x0000001f;
947 s->regs[GT_ISD] = 0x000000a0;
948 s->regs[GT_PCI0M1LD] = 0x00000790;
949 s->regs[GT_PCI0M1HD] = 0x0000001f;
950 s->regs[GT_PCI1IOLD] = 0x00000100;
951 s->regs[GT_PCI1IOHD] = 0x0000000f;
952 s->regs[GT_PCI1M0LD] = 0x00000110;
953 s->regs[GT_PCI1M0HD] = 0x0000001f;
954 s->regs[GT_PCI1M1LD] = 0x00000120;
955 s->regs[GT_PCI1M1HD] = 0x0000002f;
956
957 s->regs[GT_SCS10AR] = 0x00000000;
958 s->regs[GT_SCS32AR] = 0x00000008;
959 s->regs[GT_CS20R] = 0x000000e0;
960 s->regs[GT_CS3BOOTR] = 0x000000f8;
961
962 s->regs[GT_PCI0IOREMAP] = 0x00000080;
963 s->regs[GT_PCI0M0REMAP] = 0x00000090;
964 s->regs[GT_PCI0M1REMAP] = 0x00000790;
965 s->regs[GT_PCI1IOREMAP] = 0x00000100;
966 s->regs[GT_PCI1M0REMAP] = 0x00000110;
967 s->regs[GT_PCI1M1REMAP] = 0x00000120;
968
969 /* CPU Error Report */
970 s->regs[GT_CPUERR_ADDRLO] = 0x00000000;
971 s->regs[GT_CPUERR_ADDRHI] = 0x00000000;
972 s->regs[GT_CPUERR_DATALO] = 0xffffffff;
973 s->regs[GT_CPUERR_DATAHI] = 0xffffffff;
974 s->regs[GT_CPUERR_PARITY] = 0x000000ff;
975
976 /* CPU Sync Barrier */
977 s->regs[GT_PCI0SYNC] = 0x00000000;
978 s->regs[GT_PCI1SYNC] = 0x00000000;
979
980 /* SDRAM and Device Address Decode */
981 s->regs[GT_SCS0LD] = 0x00000000;
982 s->regs[GT_SCS0HD] = 0x00000007;
983 s->regs[GT_SCS1LD] = 0x00000008;
984 s->regs[GT_SCS1HD] = 0x0000000f;
985 s->regs[GT_SCS2LD] = 0x00000010;
986 s->regs[GT_SCS2HD] = 0x00000017;
987 s->regs[GT_SCS3LD] = 0x00000018;
988 s->regs[GT_SCS3HD] = 0x0000001f;
989 s->regs[GT_CS0LD] = 0x000000c0;
990 s->regs[GT_CS0HD] = 0x000000c7;
991 s->regs[GT_CS1LD] = 0x000000c8;
992 s->regs[GT_CS1HD] = 0x000000cf;
993 s->regs[GT_CS2LD] = 0x000000d0;
994 s->regs[GT_CS2HD] = 0x000000df;
995 s->regs[GT_CS3LD] = 0x000000f0;
996 s->regs[GT_CS3HD] = 0x000000fb;
997 s->regs[GT_BOOTLD] = 0x000000fc;
998 s->regs[GT_BOOTHD] = 0x000000ff;
999 s->regs[GT_ADERR] = 0xffffffff;
1000
1001 /* SDRAM Configuration */
1002 s->regs[GT_SDRAM_CFG] = 0x00000200;
1003 s->regs[GT_SDRAM_OPMODE] = 0x00000000;
1004 s->regs[GT_SDRAM_BM] = 0x00000007;
1005 s->regs[GT_SDRAM_ADDRDECODE] = 0x00000002;
1006
1007 /* SDRAM Parameters */
1008 s->regs[GT_SDRAM_B0] = 0x00000005;
1009 s->regs[GT_SDRAM_B1] = 0x00000005;
1010 s->regs[GT_SDRAM_B2] = 0x00000005;
1011 s->regs[GT_SDRAM_B3] = 0x00000005;
1012
1013 /* ECC */
1014 s->regs[GT_ECC_ERRDATALO] = 0x00000000;
1015 s->regs[GT_ECC_ERRDATAHI] = 0x00000000;
1016 s->regs[GT_ECC_MEM] = 0x00000000;
1017 s->regs[GT_ECC_CALC] = 0x00000000;
1018 s->regs[GT_ECC_ERRADDR] = 0x00000000;
1019
1020 /* Device Parameters */
1021 s->regs[GT_DEV_B0] = 0x386fffff;
1022 s->regs[GT_DEV_B1] = 0x386fffff;
1023 s->regs[GT_DEV_B2] = 0x386fffff;
1024 s->regs[GT_DEV_B3] = 0x386fffff;
1025 s->regs[GT_DEV_BOOT] = 0x146fffff;
1026
1027 /* DMA registers are all zeroed at reset */
1028
1029 /* Timer/Counter */
1030 s->regs[GT_TC0] = 0xffffffff;
1031 s->regs[GT_TC1] = 0x00ffffff;
1032 s->regs[GT_TC2] = 0x00ffffff;
1033 s->regs[GT_TC3] = 0x00ffffff;
1034 s->regs[GT_TC_CONTROL] = 0x00000000;
1035
1036 /* PCI Internal */
1037 #ifdef TARGET_WORDS_BIGENDIAN
1038 s->regs[GT_PCI0_CMD] = 0x00000000;
1039 #else
1040 s->regs[GT_PCI0_CMD] = 0x00010001;
1041 #endif
1042 s->regs[GT_PCI0_TOR] = 0x0000070f;
1043 s->regs[GT_PCI0_BS_SCS10] = 0x00fff000;
1044 s->regs[GT_PCI0_BS_SCS32] = 0x00fff000;
1045 s->regs[GT_PCI0_BS_CS20] = 0x01fff000;
1046 s->regs[GT_PCI0_BS_CS3BT] = 0x00fff000;
1047 s->regs[GT_PCI1_IACK] = 0x00000000;
1048 s->regs[GT_PCI0_IACK] = 0x00000000;
1049 s->regs[GT_PCI0_BARE] = 0x0000000f;
1050 s->regs[GT_PCI0_PREFMBR] = 0x00000040;
1051 s->regs[GT_PCI0_SCS10_BAR] = 0x00000000;
1052 s->regs[GT_PCI0_SCS32_BAR] = 0x01000000;
1053 s->regs[GT_PCI0_CS20_BAR] = 0x1c000000;
1054 s->regs[GT_PCI0_CS3BT_BAR] = 0x1f000000;
1055 s->regs[GT_PCI0_SSCS10_BAR] = 0x00000000;
1056 s->regs[GT_PCI0_SSCS32_BAR] = 0x01000000;
1057 s->regs[GT_PCI0_SCS3BT_BAR] = 0x1f000000;
1058 #ifdef TARGET_WORDS_BIGENDIAN
1059 s->regs[GT_PCI1_CMD] = 0x00000000;
1060 #else
1061 s->regs[GT_PCI1_CMD] = 0x00010001;
1062 #endif
1063 s->regs[GT_PCI1_TOR] = 0x0000070f;
1064 s->regs[GT_PCI1_BS_SCS10] = 0x00fff000;
1065 s->regs[GT_PCI1_BS_SCS32] = 0x00fff000;
1066 s->regs[GT_PCI1_BS_CS20] = 0x01fff000;
1067 s->regs[GT_PCI1_BS_CS3BT] = 0x00fff000;
1068 s->regs[GT_PCI1_BARE] = 0x0000000f;
1069 s->regs[GT_PCI1_PREFMBR] = 0x00000040;
1070 s->regs[GT_PCI1_SCS10_BAR] = 0x00000000;
1071 s->regs[GT_PCI1_SCS32_BAR] = 0x01000000;
1072 s->regs[GT_PCI1_CS20_BAR] = 0x1c000000;
1073 s->regs[GT_PCI1_CS3BT_BAR] = 0x1f000000;
1074 s->regs[GT_PCI1_SSCS10_BAR] = 0x00000000;
1075 s->regs[GT_PCI1_SSCS32_BAR] = 0x01000000;
1076 s->regs[GT_PCI1_SCS3BT_BAR] = 0x1f000000;
1077 s->regs[GT_PCI1_CFGADDR] = 0x00000000;
1078 s->regs[GT_PCI1_CFGDATA] = 0x00000000;
1079 s->regs[GT_PCI0_CFGADDR] = 0x00000000;
1080 s->regs[GT_PCI0_CFGDATA] = 0x00000000;
1081
1082 /* Interrupt registers are all zeroed at reset */
1083
1084 gt64120_isd_mapping(s);
1085 gt64120_pci_mapping(s);
1086 }
1087
1088 static uint32_t gt64120_read_config(PCIDevice *d, uint32_t address, int len)
1089 {
1090 uint32_t val = pci_default_read_config(d, address, len);
1091 #ifdef TARGET_WORDS_BIGENDIAN
1092 val = bswap32(val);
1093 #endif
1094 return val;
1095 }
1096
1097 static void gt64120_write_config(PCIDevice *d, uint32_t address, uint32_t val,
1098 int len)
1099 {
1100 #ifdef TARGET_WORDS_BIGENDIAN
1101 val = bswap32(val);
1102 #endif
1103 pci_default_write_config(d, address, val, len);
1104 }
1105
1106 static void gt64120_save(QEMUFile* f, void *opaque)
1107 {
1108 PCIDevice *d = opaque;
1109 pci_device_save(d, f);
1110 }
1111
1112 static int gt64120_load(QEMUFile* f, void *opaque, int version_id)
1113 {
1114 PCIDevice *d = opaque;
1115 int ret;
1116
1117 if (version_id != 1)
1118 return -EINVAL;
1119 ret = pci_device_load(d, f);
1120 if (ret < 0)
1121 return ret;
1122 return 0;
1123 }
1124
1125 PCIBus *pci_gt64120_init(qemu_irq *pic)
1126 {
1127 GT64120State *s;
1128 PCIDevice *d;
1129
1130 s = qemu_mallocz(sizeof(GT64120State));
1131 s->pci = qemu_mallocz(sizeof(GT64120PCIState));
1132
1133 s->pci->bus = pci_register_bus(pci_gt64120_set_irq, pci_gt64120_map_irq,
1134 pic, 144, 4);
1135 s->ISD_handle = cpu_register_io_memory(0, gt64120_read, gt64120_write, s);
1136 d = pci_register_device(s->pci->bus, "GT64120 PCI Bus", sizeof(PCIDevice),
1137 0, gt64120_read_config, gt64120_write_config);
1138
1139 /* FIXME: Malta specific hw assumptions ahead */
1140
1141 d->config[0x00] = 0xab; /* vendor_id */
1142 d->config[0x01] = 0x11;
1143 d->config[0x02] = 0x20; /* device_id */
1144 d->config[0x03] = 0x46;
1145
1146 d->config[0x04] = 0x00;
1147 d->config[0x05] = 0x00;
1148 d->config[0x06] = 0x80;
1149 d->config[0x07] = 0x02;
1150
1151 d->config[0x08] = 0x10;
1152 d->config[0x09] = 0x00;
1153 d->config[0x0A] = 0x00;
1154 d->config[0x0B] = 0x06;
1155
1156 d->config[0x10] = 0x08;
1157 d->config[0x14] = 0x08;
1158 d->config[0x17] = 0x01;
1159 d->config[0x1B] = 0x1c;
1160 d->config[0x1F] = 0x1f;
1161 d->config[0x23] = 0x14;
1162 d->config[0x24] = 0x01;
1163 d->config[0x27] = 0x14;
1164 d->config[0x3D] = 0x01;
1165
1166 gt64120_reset(s);
1167
1168 register_savevm("GT64120 PCI Bus", 0, 1, gt64120_save, gt64120_load, d);
1169
1170 return s->pci->bus;
1171 }
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