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savevm: Add DeviceState param
[mirror_qemu.git] / hw / gt64xxx.c
CommitLineData
fde7d5bd
TS		 1/*
2 * QEMU GT64120 PCI host
3 *
4de9b249 4 * Copyright (c) 2006,2007 Aurelien Jarno
5fafdf24 5 *
fde7d5bd
TS		 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
87ecb68b
PB		 25#include "hw.h"
26#include "mips.h"
27#include "pci.h"
fde7d5bd 28#include "pci_host.h"
4f5e19e6 29#include "pc.h"
fde7d5bd 30
05b4ff43
TS		 31//#define DEBUG
32
33#ifdef DEBUG
d0f2c4c6 34#define DPRINTF(fmt, ...) fprintf(stderr, "%s: " fmt, __FUNCTION__, ##__VA_ARGS__)
05b4ff43 35#else
d0f2c4c6 36#define DPRINTF(fmt, ...)
05b4ff43
TS		 37#endif
38
fde7d5bd
TS		 39#define GT_REGS (0x1000 >> 2)
40
41/* CPU Configuration */
42#define GT_CPU (0x000 >> 2)
43#define GT_MULTI (0x120 >> 2)
44
45/* CPU Address Decode */
46#define GT_SCS10LD (0x008 >> 2)
47#define GT_SCS10HD (0x010 >> 2)
48#define GT_SCS32LD (0x018 >> 2)
49#define GT_SCS32HD (0x020 >> 2)
50#define GT_CS20LD (0x028 >> 2)
51#define GT_CS20HD (0x030 >> 2)
52#define GT_CS3BOOTLD (0x038 >> 2)
53#define GT_CS3BOOTHD (0x040 >> 2)
54#define GT_PCI0IOLD (0x048 >> 2)
55#define GT_PCI0IOHD (0x050 >> 2)
56#define GT_PCI0M0LD (0x058 >> 2)
57#define GT_PCI0M0HD (0x060 >> 2)
fde7d5bd
TS		 58#define GT_PCI0M1LD (0x080 >> 2)
59#define GT_PCI0M1HD (0x088 >> 2)
60#define GT_PCI1IOLD (0x090 >> 2)
61#define GT_PCI1IOHD (0x098 >> 2)
62#define GT_PCI1M0LD (0x0a0 >> 2)
63#define GT_PCI1M0HD (0x0a8 >> 2)
64#define GT_PCI1M1LD (0x0b0 >> 2)
65#define GT_PCI1M1HD (0x0b8 >> 2)
05b4ff43 66#define GT_ISD (0x068 >> 2)
fde7d5bd
TS		 67
68#define GT_SCS10AR (0x0d0 >> 2)
69#define GT_SCS32AR (0x0d8 >> 2)
70#define GT_CS20R (0x0e0 >> 2)
71#define GT_CS3BOOTR (0x0e8 >> 2)
72
73#define GT_PCI0IOREMAP (0x0f0 >> 2)
74#define GT_PCI0M0REMAP (0x0f8 >> 2)
75#define GT_PCI0M1REMAP (0x100 >> 2)
76#define GT_PCI1IOREMAP (0x108 >> 2)
77#define GT_PCI1M0REMAP (0x110 >> 2)
78#define GT_PCI1M1REMAP (0x118 >> 2)
79
80/* CPU Error Report */
81#define GT_CPUERR_ADDRLO (0x070 >> 2)
82#define GT_CPUERR_ADDRHI (0x078 >> 2)
83#define GT_CPUERR_DATALO (0x128 >> 2) /* GT-64120A only */
84#define GT_CPUERR_DATAHI (0x130 >> 2) /* GT-64120A only */
85#define GT_CPUERR_PARITY (0x138 >> 2) /* GT-64120A only */
86
87/* CPU Sync Barrier */
88#define GT_PCI0SYNC (0x0c0 >> 2)
89#define GT_PCI1SYNC (0x0c8 >> 2)
90
91/* SDRAM and Device Address Decode */
92#define GT_SCS0LD (0x400 >> 2)
93#define GT_SCS0HD (0x404 >> 2)
94#define GT_SCS1LD (0x408 >> 2)
95#define GT_SCS1HD (0x40c >> 2)
96#define GT_SCS2LD (0x410 >> 2)
97#define GT_SCS2HD (0x414 >> 2)
98#define GT_SCS3LD (0x418 >> 2)
99#define GT_SCS3HD (0x41c >> 2)
100#define GT_CS0LD (0x420 >> 2)
101#define GT_CS0HD (0x424 >> 2)
102#define GT_CS1LD (0x428 >> 2)
103#define GT_CS1HD (0x42c >> 2)
104#define GT_CS2LD (0x430 >> 2)
105#define GT_CS2HD (0x434 >> 2)
106#define GT_CS3LD (0x438 >> 2)
107#define GT_CS3HD (0x43c >> 2)
108#define GT_BOOTLD (0x440 >> 2)
109#define GT_BOOTHD (0x444 >> 2)
110#define GT_ADERR (0x470 >> 2)
111
112/* SDRAM Configuration */
113#define GT_SDRAM_CFG (0x448 >> 2)
114#define GT_SDRAM_OPMODE (0x474 >> 2)
115#define GT_SDRAM_BM (0x478 >> 2)
116#define GT_SDRAM_ADDRDECODE (0x47c >> 2)
117
118/* SDRAM Parameters */
119#define GT_SDRAM_B0 (0x44c >> 2)
120#define GT_SDRAM_B1 (0x450 >> 2)
121#define GT_SDRAM_B2 (0x454 >> 2)
122#define GT_SDRAM_B3 (0x458 >> 2)
123
124/* Device Parameters */
125#define GT_DEV_B0 (0x45c >> 2)
126#define GT_DEV_B1 (0x460 >> 2)
127#define GT_DEV_B2 (0x464 >> 2)
128#define GT_DEV_B3 (0x468 >> 2)
129#define GT_DEV_BOOT (0x46c >> 2)
130
131/* ECC */
132#define GT_ECC_ERRDATALO (0x480 >> 2) /* GT-64120A only */
133#define GT_ECC_ERRDATAHI (0x484 >> 2) /* GT-64120A only */
134#define GT_ECC_MEM (0x488 >> 2) /* GT-64120A only */
135#define GT_ECC_CALC (0x48c >> 2) /* GT-64120A only */
136#define GT_ECC_ERRADDR (0x490 >> 2) /* GT-64120A only */
137
138/* DMA Record */
139#define GT_DMA0_CNT (0x800 >> 2)
140#define GT_DMA1_CNT (0x804 >> 2)
141#define GT_DMA2_CNT (0x808 >> 2)
142#define GT_DMA3_CNT (0x80c >> 2)
143#define GT_DMA0_SA (0x810 >> 2)
144#define GT_DMA1_SA (0x814 >> 2)
145#define GT_DMA2_SA (0x818 >> 2)
146#define GT_DMA3_SA (0x81c >> 2)
147#define GT_DMA0_DA (0x820 >> 2)
148#define GT_DMA1_DA (0x824 >> 2)
149#define GT_DMA2_DA (0x828 >> 2)
150#define GT_DMA3_DA (0x82c >> 2)
151#define GT_DMA0_NEXT (0x830 >> 2)
152#define GT_DMA1_NEXT (0x834 >> 2)
153#define GT_DMA2_NEXT (0x838 >> 2)
154#define GT_DMA3_NEXT (0x83c >> 2)
155#define GT_DMA0_CUR (0x870 >> 2)
156#define GT_DMA1_CUR (0x874 >> 2)
157#define GT_DMA2_CUR (0x878 >> 2)
158#define GT_DMA3_CUR (0x87c >> 2)
159
160/* DMA Channel Control */
161#define GT_DMA0_CTRL (0x840 >> 2)
162#define GT_DMA1_CTRL (0x844 >> 2)
163#define GT_DMA2_CTRL (0x848 >> 2)
164#define GT_DMA3_CTRL (0x84c >> 2)
165
166/* DMA Arbiter */
167#define GT_DMA_ARB (0x860 >> 2)
168
169/* Timer/Counter */
170#define GT_TC0 (0x850 >> 2)
171#define GT_TC1 (0x854 >> 2)
172#define GT_TC2 (0x858 >> 2)
173#define GT_TC3 (0x85c >> 2)
174#define GT_TC_CONTROL (0x864 >> 2)
175
176/* PCI Internal */
177#define GT_PCI0_CMD (0xc00 >> 2)
178#define GT_PCI0_TOR (0xc04 >> 2)
179#define GT_PCI0_BS_SCS10 (0xc08 >> 2)
180#define GT_PCI0_BS_SCS32 (0xc0c >> 2)
181#define GT_PCI0_BS_CS20 (0xc10 >> 2)
182#define GT_PCI0_BS_CS3BT (0xc14 >> 2)
183#define GT_PCI1_IACK (0xc30 >> 2)
184#define GT_PCI0_IACK (0xc34 >> 2)
185#define GT_PCI0_BARE (0xc3c >> 2)
186#define GT_PCI0_PREFMBR (0xc40 >> 2)
187#define GT_PCI0_SCS10_BAR (0xc48 >> 2)
188#define GT_PCI0_SCS32_BAR (0xc4c >> 2)
189#define GT_PCI0_CS20_BAR (0xc50 >> 2)
190#define GT_PCI0_CS3BT_BAR (0xc54 >> 2)
191#define GT_PCI0_SSCS10_BAR (0xc58 >> 2)
192#define GT_PCI0_SSCS32_BAR (0xc5c >> 2)
193#define GT_PCI0_SCS3BT_BAR (0xc64 >> 2)
194#define GT_PCI1_CMD (0xc80 >> 2)
195#define GT_PCI1_TOR (0xc84 >> 2)
196#define GT_PCI1_BS_SCS10 (0xc88 >> 2)
197#define GT_PCI1_BS_SCS32 (0xc8c >> 2)
198#define GT_PCI1_BS_CS20 (0xc90 >> 2)
199#define GT_PCI1_BS_CS3BT (0xc94 >> 2)
200#define GT_PCI1_BARE (0xcbc >> 2)
201#define GT_PCI1_PREFMBR (0xcc0 >> 2)
202#define GT_PCI1_SCS10_BAR (0xcc8 >> 2)
203#define GT_PCI1_SCS32_BAR (0xccc >> 2)
204#define GT_PCI1_CS20_BAR (0xcd0 >> 2)
205#define GT_PCI1_CS3BT_BAR (0xcd4 >> 2)
206#define GT_PCI1_SSCS10_BAR (0xcd8 >> 2)
207#define GT_PCI1_SSCS32_BAR (0xcdc >> 2)
208#define GT_PCI1_SCS3BT_BAR (0xce4 >> 2)
209#define GT_PCI1_CFGADDR (0xcf0 >> 2)
210#define GT_PCI1_CFGDATA (0xcf4 >> 2)
211#define GT_PCI0_CFGADDR (0xcf8 >> 2)
212#define GT_PCI0_CFGDATA (0xcfc >> 2)
213
214/* Interrupts */
215#define GT_INTRCAUSE (0xc18 >> 2)
216#define GT_INTRMASK (0xc1c >> 2)
217#define GT_PCI0_ICMASK (0xc24 >> 2)
218#define GT_PCI0_SERR0MASK (0xc28 >> 2)
219#define GT_CPU_INTSEL (0xc70 >> 2)
220#define GT_PCI0_INTSEL (0xc74 >> 2)
221#define GT_HINTRCAUSE (0xc98 >> 2)
222#define GT_HINTRMASK (0xc9c >> 2)
223#define GT_PCI0_HICMASK (0xca4 >> 2)
224#define GT_PCI1_SERR1MASK (0xca8 >> 2)
225
226
227typedef PCIHostState GT64120PCIState;
228
a0a8793e 229#define PCI_MAPPING_ENTRY(regname) \
c227f099
AL		 230 target_phys_addr_t regname ##_start; \
231 target_phys_addr_t regname ##_length; \
a0a8793e
TS		 232 int regname ##_handle
233
fde7d5bd
TS		 234typedef struct GT64120State {
235 GT64120PCIState *pci;
236 uint32_t regs[GT_REGS];
a0a8793e
TS		 237 PCI_MAPPING_ENTRY(PCI0IO);
238 PCI_MAPPING_ENTRY(ISD);
fde7d5bd
TS		 239} GT64120State;
240
a0a8793e
TS		 241/* Adjust range to avoid touching space which isn't mappable via PCI */
242/* XXX: Hardcoded values for Malta: 0x1e000000 - 0x1f100000
243 0x1fc00000 - 0x1fd00000 */
c227f099
AL		 244static void check_reserved_space (target_phys_addr_t *start,
245 target_phys_addr_t *length)
a0a8793e 246{
c227f099
AL		 247 target_phys_addr_t begin = *start;
248 target_phys_addr_t end = *start + *length;
a0a8793e
TS		 249
250 if (end >= 0x1e000000LL && end < 0x1f100000LL)
251 end = 0x1e000000LL;
252 if (begin >= 0x1e000000LL && begin < 0x1f100000LL)
253 begin = 0x1f100000LL;
254 if (end >= 0x1fc00000LL && end < 0x1fd00000LL)
255 end = 0x1fc00000LL;
256 if (begin >= 0x1fc00000LL && begin < 0x1fd00000LL)
257 begin = 0x1fd00000LL;
258 /* XXX: This is broken when a reserved range splits the requested range */
259 if (end >= 0x1f100000LL && begin < 0x1e000000LL)
260 end = 0x1e000000LL;
261 if (end >= 0x1fd00000LL && begin < 0x1fc00000LL)
262 end = 0x1fc00000LL;
263
264 *start = begin;
265 *length = end - begin;
266}
267
268static void gt64120_isd_mapping(GT64120State *s)
269{
c227f099
AL		 270 target_phys_addr_t start = s->regs[GT_ISD] << 21;
271 target_phys_addr_t length = 0x1000;
a0a8793e
TS		 272
273 if (s->ISD_length)
274 cpu_register_physical_memory(s->ISD_start, s->ISD_length,
275 IO_MEM_UNASSIGNED);
276 check_reserved_space(&start, &length);
277 length = 0x1000;
278 /* Map new address */
82f24fcc 279 DPRINTF("ISD: "TARGET_FMT_plx"@"TARGET_FMT_plx" -> "TARGET_FMT_plx"@"TARGET_FMT_plx", %x\n", s->ISD_length, s->ISD_start,
a0a8793e
TS		 280 length, start, s->ISD_handle);
281 s->ISD_start = start;
282 s->ISD_length = length;
283 cpu_register_physical_memory(s->ISD_start, s->ISD_length, s->ISD_handle);
284}
285
9414cc6f 286static void gt64120_pci_mapping(GT64120State *s)
2a1086d9 287{
9414cc6f
TS		 288 /* Update IO mapping */
289 if ((s->regs[GT_PCI0IOLD] & 0x7f) <= s->regs[GT_PCI0IOHD])
290 {
3b46e624 291 /* Unmap old IO address */
9414cc6f
TS		 292 if (s->PCI0IO_length)
293 {
3b46e624 294 cpu_register_physical_memory(s->PCI0IO_start, s->PCI0IO_length, IO_MEM_UNASSIGNED);
9414cc6f
TS		 295 }
296 /* Map new IO address */
297 s->PCI0IO_start = s->regs[GT_PCI0IOLD] << 21;
298 s->PCI0IO_length = ((s->regs[GT_PCI0IOHD] + 1) - (s->regs[GT_PCI0IOLD] & 0x7f)) << 21;
299 isa_mem_base = s->PCI0IO_start;
84108e12
BS		 300#ifdef TARGET_WORDS_BIGENDIAN
301 isa_mmio_init(s->PCI0IO_start, s->PCI0IO_length, 1);
302#else
303 isa_mmio_init(s->PCI0IO_start, s->PCI0IO_length, 0);
304#endif
9414cc6f 305 }
2a1086d9
TS		 306}
307
c227f099 308static void gt64120_writel (void *opaque, target_phys_addr_t addr,
fde7d5bd
TS		 309 uint32_t val)
310{
311 GT64120State *s = opaque;
312 uint32_t saddr;
313
c6c99c3f 314 if (!(s->regs[GT_CPU] & 0x00001000))
1931e260 315 val = bswap32(val);
0da75eb1 316
fde7d5bd
TS		 317 saddr = (addr & 0xfff) >> 2;
318 switch (saddr) {
0da75eb1
TS		 319
320 /* CPU Configuration */
fde7d5bd
TS		 321 case GT_CPU:
322 s->regs[GT_CPU] = val;
fde7d5bd
TS		 323 break;
324 case GT_MULTI:
0da75eb1 325 /* Read-only register as only one GT64xxx is present on the CPU bus */
fde7d5bd
TS		 326 break;
327
328 /* CPU Address Decode */
329 case GT_PCI0IOLD:
330 s->regs[GT_PCI0IOLD] = val & 0x00007fff;
331 s->regs[GT_PCI0IOREMAP] = val & 0x000007ff;
9414cc6f 332 gt64120_pci_mapping(s);
fde7d5bd
TS		 333 break;
334 case GT_PCI0M0LD:
335 s->regs[GT_PCI0M0LD] = val & 0x00007fff;
336 s->regs[GT_PCI0M0REMAP] = val & 0x000007ff;
fde7d5bd
TS		 337 break;
338 case GT_PCI0M1LD:
339 s->regs[GT_PCI0M1LD] = val & 0x00007fff;
340 s->regs[GT_PCI0M1REMAP] = val & 0x000007ff;
fde7d5bd
TS		 341 break;
342 case GT_PCI1IOLD:
343 s->regs[GT_PCI1IOLD] = val & 0x00007fff;
344 s->regs[GT_PCI1IOREMAP] = val & 0x000007ff;
fde7d5bd
TS		 345 break;
346 case GT_PCI1M0LD:
347 s->regs[GT_PCI1M0LD] = val & 0x00007fff;
348 s->regs[GT_PCI1M0REMAP] = val & 0x000007ff;
fde7d5bd
TS		 349 break;
350 case GT_PCI1M1LD:
351 s->regs[GT_PCI1M1LD] = val & 0x00007fff;
352 s->regs[GT_PCI1M1REMAP] = val & 0x000007ff;
fde7d5bd
TS		 353 break;
354 case GT_PCI0IOHD:
bb433bef
TS		 355 s->regs[saddr] = val & 0x0000007f;
356 gt64120_pci_mapping(s);
357 break;
fde7d5bd
TS		 358 case GT_PCI0M0HD:
359 case GT_PCI0M1HD:
360 case GT_PCI1IOHD:
361 case GT_PCI1M0HD:
362 case GT_PCI1M1HD:
363 s->regs[saddr] = val & 0x0000007f;
fde7d5bd 364 break;
a0a8793e
TS		 365 case GT_ISD:
366 s->regs[saddr] = val & 0x00007fff;
367 gt64120_isd_mapping(s);
368 break;
369
fde7d5bd
TS		 370 case GT_PCI0IOREMAP:
371 case GT_PCI0M0REMAP:
372 case GT_PCI0M1REMAP:
373 case GT_PCI1IOREMAP:
374 case GT_PCI1M0REMAP:
375 case GT_PCI1M1REMAP:
376 s->regs[saddr] = val & 0x000007ff;
fde7d5bd
TS		 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:
0da75eb1
TS		 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 */
fde7d5bd
TS		 392 break;
393
05b4ff43
TS		 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 */
d0f2c4c6 430 DPRINTF ("Unimplemented device register offset 0x%x\n", saddr << 2);
05b4ff43
TS		 431 break;
432
fde7d5bd
TS		 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:
0da75eb1 439 /* Read-only registers, do nothing */
fde7d5bd
TS		 440 break;
441
05b4ff43
TS		 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 */
d0f2c4c6 464 DPRINTF ("Unimplemented DMA register offset 0x%x\n", saddr << 2);
05b4ff43
TS		 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 */
d0f2c4c6 473 DPRINTF ("Unimplemented DMA register offset 0x%x\n", saddr << 2);
05b4ff43
TS		 474 break;
475
476 /* DMA Arbiter */
477 case GT_DMA_ARB:
478 /* Not implemented */
d0f2c4c6 479 DPRINTF ("Unimplemented DMA register offset 0x%x\n", saddr << 2);
05b4ff43
TS		 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 */
d0f2c4c6 489 DPRINTF ("Unimplemented timer register offset 0x%x\n", saddr << 2);
05b4ff43
TS		 490 break;
491
fde7d5bd
TS		 492 /* PCI Internal */
493 case GT_PCI0_CMD:
494 case GT_PCI1_CMD:
495 s->regs[saddr] = val & 0x0401fc0f;
496 break;
05b4ff43
TS		 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;
fde7d5bd
TS		 531 case GT_PCI0_CFGADDR:
532 s->pci->config_reg = val & 0x80fffffc;
533 break;
534 case GT_PCI0_CFGDATA:
c6c99c3f
AJ		 535 if (!(s->regs[GT_PCI0_CMD] & 1) && (s->pci->config_reg & 0x00fff800))
536 val = bswap32(val);
537 if (s->pci->config_reg & (1u << 31))
538 pci_data_write(s->pci->bus, s->pci->config_reg, val, 4);
05b4ff43
TS		 539 break;
540
541 /* Interrupts */
542 case GT_INTRCAUSE:
543 /* not really implemented */
544 s->regs[saddr] = ~(~(s->regs[saddr]) | ~(val & 0xfffffffe));
545 s->regs[saddr] |= !!(s->regs[saddr] & 0xfffffffe);
d0f2c4c6 546 DPRINTF("INTRCAUSE %x\n", val);
05b4ff43
TS		 547 break;
548 case GT_INTRMASK:
549 s->regs[saddr] = val & 0x3c3ffffe;
d0f2c4c6 550 DPRINTF("INTRMASK %x\n", val);
05b4ff43
TS		 551 break;
552 case GT_PCI0_ICMASK:
553 s->regs[saddr] = val & 0x03fffffe;
d0f2c4c6 554 DPRINTF("ICMASK %x\n", val);
05b4ff43
TS		 555 break;
556 case GT_PCI0_SERR0MASK:
557 s->regs[saddr] = val & 0x0000003f;
d0f2c4c6 558 DPRINTF("SERR0MASK %x\n", val);
05b4ff43
TS		 559 break;
560
561 /* Reserved when only PCI_0 is configured. */
562 case GT_HINTRCAUSE:
563 case GT_CPU_INTSEL:
564 case GT_PCI0_INTSEL:
565 case GT_HINTRMASK:
566 case GT_PCI0_HICMASK:
567 case GT_PCI1_SERR1MASK:
568 /* not implemented */
fde7d5bd
TS		 569 break;
570
0da75eb1
TS		 571 /* SDRAM Parameters */
572 case GT_SDRAM_B0:
573 case GT_SDRAM_B1:
574 case GT_SDRAM_B2:
575 case GT_SDRAM_B3:
576 /* We don't simulate electrical parameters of the SDRAM.
577 Accept, but ignore the values. */
578 s->regs[saddr] = val;
579 break;
580
fde7d5bd 581 default:
d0f2c4c6 582 DPRINTF ("Bad register offset 0x%x\n", (int)addr);
fde7d5bd
TS		 583 break;
584 }
585}
586
587static uint32_t gt64120_readl (void *opaque,
c227f099 588 target_phys_addr_t addr)
fde7d5bd
TS		 589{
590 GT64120State *s = opaque;
591 uint32_t val;
592 uint32_t saddr;
593
fde7d5bd 594 saddr = (addr & 0xfff) >> 2;
fde7d5bd
TS		 595 switch (saddr) {
596
0da75eb1
TS		 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
fde7d5bd
TS		 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:
0da75eb1 610 /* Emulated memory has no error, always return the initial
5fafdf24 611 values */
0da75eb1
TS		 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. */
5fafdf24 621 val = 0xc000ffee;
fde7d5bd
TS		 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:
0da75eb1 630 /* Emulated memory has no error, always return the initial
5fafdf24 631 values */
0da75eb1 632 val = s->regs[saddr];
fde7d5bd
TS		 633 break;
634
635 case GT_CPU:
05b4ff43
TS		 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:
fde7d5bd
TS		 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:
fde7d5bd
TS		 660 case GT_PCI0IOREMAP:
661 case GT_PCI0M0REMAP:
662 case GT_PCI0M1REMAP:
663 case GT_PCI1IOREMAP:
664 case GT_PCI1M0REMAP:
665 case GT_PCI1M1REMAP:
05b4ff43 666 case GT_ISD:
fde7d5bd
TS		 667 val = s->regs[saddr];
668 break;
669 case GT_PCI0_IACK:
5fafdf24 670 /* Read the IRQ number */
4de9b249 671 val = pic_read_irq(isa_pic);
fde7d5bd
TS		 672 break;
673
05b4ff43
TS		 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
0da75eb1
TS		 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
05b4ff43
TS		 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
fde7d5bd
TS		 770 /* PCI Internal */
771 case GT_PCI0_CFGADDR:
772 val = s->pci->config_reg;
773 break;
774 case GT_PCI0_CFGDATA:
c6c99c3f
AJ		 775 if (!(s->pci->config_reg & (1 << 31)))
776 val = 0xffffffff;
777 else
778 val = pci_data_read(s->pci->bus, s->pci->config_reg, 4);
779 if (!(s->regs[GT_PCI0_CMD] & 1) && (s->pci->config_reg & 0x00fff800))
780 val = bswap32(val);
05b4ff43
TS		 781 break;
782
783 case GT_PCI0_CMD:
784 case GT_PCI0_TOR:
785 case GT_PCI0_BS_SCS10:
786 case GT_PCI0_BS_SCS32:
787 case GT_PCI0_BS_CS20:
788 case GT_PCI0_BS_CS3BT:
789 case GT_PCI1_IACK:
790 case GT_PCI0_BARE:
791 case GT_PCI0_PREFMBR:
792 case GT_PCI0_SCS10_BAR:
793 case GT_PCI0_SCS32_BAR:
794 case GT_PCI0_CS20_BAR:
795 case GT_PCI0_CS3BT_BAR:
796 case GT_PCI0_SSCS10_BAR:
797 case GT_PCI0_SSCS32_BAR:
798 case GT_PCI0_SCS3BT_BAR:
799 case GT_PCI1_CMD:
800 case GT_PCI1_TOR:
801 case GT_PCI1_BS_SCS10:
802 case GT_PCI1_BS_SCS32:
803 case GT_PCI1_BS_CS20:
804 case GT_PCI1_BS_CS3BT:
805 case GT_PCI1_BARE:
806 case GT_PCI1_PREFMBR:
807 case GT_PCI1_SCS10_BAR:
808 case GT_PCI1_SCS32_BAR:
809 case GT_PCI1_CS20_BAR:
810 case GT_PCI1_CS3BT_BAR:
811 case GT_PCI1_SSCS10_BAR:
812 case GT_PCI1_SSCS32_BAR:
813 case GT_PCI1_SCS3BT_BAR:
814 case GT_PCI1_CFGADDR:
815 case GT_PCI1_CFGDATA:
816 val = s->regs[saddr];
817 break;
818
819 /* Interrupts */
820 case GT_INTRCAUSE:
821 val = s->regs[saddr];
d0f2c4c6 822 DPRINTF("INTRCAUSE %x\n", val);
05b4ff43
TS		 823 break;
824 case GT_INTRMASK:
825 val = s->regs[saddr];
d0f2c4c6 826 DPRINTF("INTRMASK %x\n", val);
05b4ff43
TS		 827 break;
828 case GT_PCI0_ICMASK:
829 val = s->regs[saddr];
d0f2c4c6 830 DPRINTF("ICMASK %x\n", val);
05b4ff43
TS		 831 break;
832 case GT_PCI0_SERR0MASK:
833 val = s->regs[saddr];
d0f2c4c6 834 DPRINTF("SERR0MASK %x\n", val);
05b4ff43
TS		 835 break;
836
837 /* Reserved when only PCI_0 is configured. */
838 case GT_HINTRCAUSE:
839 case GT_CPU_INTSEL:
840 case GT_PCI0_INTSEL:
841 case GT_HINTRMASK:
842 case GT_PCI0_HICMASK:
843 case GT_PCI1_SERR1MASK:
844 val = s->regs[saddr];
fde7d5bd
TS		 845 break;
846
847 default:
848 val = s->regs[saddr];
d0f2c4c6 849 DPRINTF ("Bad register offset 0x%x\n", (int)addr);
fde7d5bd
TS		 850 break;
851 }
852
c6c99c3f 853 if (!(s->regs[GT_CPU] & 0x00001000))
1931e260
TS		 854 val = bswap32(val);
855
05b4ff43 856 return val;
fde7d5bd
TS		 857}
858
d60efc6b 859static CPUWriteMemoryFunc * const gt64120_write[] = {
fde7d5bd
TS		 860 &gt64120_writel,
861 &gt64120_writel,
862 &gt64120_writel,
863};
864
d60efc6b 865static CPUReadMemoryFunc * const gt64120_read[] = {
fde7d5bd
TS		 866 &gt64120_readl,
867 &gt64120_readl,
868 &gt64120_readl,
869};
870
871static int pci_gt64120_map_irq(PCIDevice *pci_dev, int irq_num)
872{
873 int slot;
874
875 slot = (pci_dev->devfn >> 3);
876
877 switch (slot) {
878 /* PIIX4 USB */
879 case 10:
880 return 3;
881 /* AMD 79C973 Ethernet */
882 case 11:
d4a4d056 883 return 1;
fde7d5bd
TS		 884 /* Crystal 4281 Sound */
885 case 12:
d4a4d056 886 return 2;
fde7d5bd
TS		 887 /* PCI slot 1 to 4 */
888 case 18 ... 21:
889 return ((slot - 18) + irq_num) & 0x03;
890 /* Unknown device, don't do any translation */
891 default:
892 return irq_num;
893 }
894}
895
fde7d5bd
TS		 896static int pci_irq_levels[4];
897
5d4e84c8 898static void pci_gt64120_set_irq(void *opaque, int irq_num, int level)
fde7d5bd
TS		 899{
900 int i, pic_irq, pic_level;
5d4e84c8 901 qemu_irq *pic = opaque;
fde7d5bd
TS		 902
903 pci_irq_levels[irq_num] = level;
904
905 /* now we change the pic irq level according to the piix irq mappings */
906 /* XXX: optimize */
907 pic_irq = piix4_dev->config[0x60 + irq_num];
908 if (pic_irq < 16) {
909 /* The pic level is the logical OR of all the PCI irqs mapped
910 to it */
911 pic_level = 0;
912 for (i = 0; i < 4; i++) {
913 if (pic_irq == piix4_dev->config[0x60 + i])
914 pic_level |= pci_irq_levels[i];
915 }
d537cf6c 916 qemu_set_irq(pic[pic_irq], pic_level);
fde7d5bd
TS		 917 }
918}
919
920
9596ebb7 921static void gt64120_reset(void *opaque)
fde7d5bd
TS		 922{
923 GT64120State *s = opaque;
924
30b6f3a8
TS		 925 /* FIXME: Malta specific hw assumptions ahead */
926
fde7d5bd
TS		 927 /* CPU Configuration */
928#ifdef TARGET_WORDS_BIGENDIAN
929 s->regs[GT_CPU] = 0x00000000;
930#else
bc687ec9 931 s->regs[GT_CPU] = 0x00001000;
fde7d5bd 932#endif
30b6f3a8
TS		 933 s->regs[GT_MULTI] = 0x00000003;
934
935 /* CPU Address decode */
936 s->regs[GT_SCS10LD] = 0x00000000;
937 s->regs[GT_SCS10HD] = 0x00000007;
938 s->regs[GT_SCS32LD] = 0x00000008;
939 s->regs[GT_SCS32HD] = 0x0000000f;
940 s->regs[GT_CS20LD] = 0x000000e0;
941 s->regs[GT_CS20HD] = 0x00000070;
942 s->regs[GT_CS3BOOTLD] = 0x000000f8;
943 s->regs[GT_CS3BOOTHD] = 0x0000007f;
fde7d5bd 944
fde7d5bd
TS		 945 s->regs[GT_PCI0IOLD] = 0x00000080;
946 s->regs[GT_PCI0IOHD] = 0x0000000f;
947 s->regs[GT_PCI0M0LD] = 0x00000090;
948 s->regs[GT_PCI0M0HD] = 0x0000001f;
30b6f3a8 949 s->regs[GT_ISD] = 0x000000a0;
fde7d5bd
TS		 950 s->regs[GT_PCI0M1LD] = 0x00000790;
951 s->regs[GT_PCI0M1HD] = 0x0000001f;
952 s->regs[GT_PCI1IOLD] = 0x00000100;
953 s->regs[GT_PCI1IOHD] = 0x0000000f;
954 s->regs[GT_PCI1M0LD] = 0x00000110;
955 s->regs[GT_PCI1M0HD] = 0x0000001f;
956 s->regs[GT_PCI1M1LD] = 0x00000120;
957 s->regs[GT_PCI1M1HD] = 0x0000002f;
30b6f3a8
TS		 958
959 s->regs[GT_SCS10AR] = 0x00000000;
960 s->regs[GT_SCS32AR] = 0x00000008;
961 s->regs[GT_CS20R] = 0x000000e0;
962 s->regs[GT_CS3BOOTR] = 0x000000f8;
963
fde7d5bd
TS		 964 s->regs[GT_PCI0IOREMAP] = 0x00000080;
965 s->regs[GT_PCI0M0REMAP] = 0x00000090;
966 s->regs[GT_PCI0M1REMAP] = 0x00000790;
967 s->regs[GT_PCI1IOREMAP] = 0x00000100;
968 s->regs[GT_PCI1M0REMAP] = 0x00000110;
969 s->regs[GT_PCI1M1REMAP] = 0x00000120;
970
971 /* CPU Error Report */
972 s->regs[GT_CPUERR_ADDRLO] = 0x00000000;
973 s->regs[GT_CPUERR_ADDRHI] = 0x00000000;
974 s->regs[GT_CPUERR_DATALO] = 0xffffffff;
975 s->regs[GT_CPUERR_DATAHI] = 0xffffffff;
976 s->regs[GT_CPUERR_PARITY] = 0x000000ff;
977
30b6f3a8
TS		 978 /* CPU Sync Barrier */
979 s->regs[GT_PCI0SYNC] = 0x00000000;
980 s->regs[GT_PCI1SYNC] = 0x00000000;
981
982 /* SDRAM and Device Address Decode */
983 s->regs[GT_SCS0LD] = 0x00000000;
984 s->regs[GT_SCS0HD] = 0x00000007;
985 s->regs[GT_SCS1LD] = 0x00000008;
986 s->regs[GT_SCS1HD] = 0x0000000f;
987 s->regs[GT_SCS2LD] = 0x00000010;
988 s->regs[GT_SCS2HD] = 0x00000017;
989 s->regs[GT_SCS3LD] = 0x00000018;
990 s->regs[GT_SCS3HD] = 0x0000001f;
991 s->regs[GT_CS0LD] = 0x000000c0;
992 s->regs[GT_CS0HD] = 0x000000c7;
993 s->regs[GT_CS1LD] = 0x000000c8;
994 s->regs[GT_CS1HD] = 0x000000cf;
995 s->regs[GT_CS2LD] = 0x000000d0;
996 s->regs[GT_CS2HD] = 0x000000df;
997 s->regs[GT_CS3LD] = 0x000000f0;
998 s->regs[GT_CS3HD] = 0x000000fb;
999 s->regs[GT_BOOTLD] = 0x000000fc;
1000 s->regs[GT_BOOTHD] = 0x000000ff;
1001 s->regs[GT_ADERR] = 0xffffffff;
1002
1003 /* SDRAM Configuration */
1004 s->regs[GT_SDRAM_CFG] = 0x00000200;
1005 s->regs[GT_SDRAM_OPMODE] = 0x00000000;
1006 s->regs[GT_SDRAM_BM] = 0x00000007;
1007 s->regs[GT_SDRAM_ADDRDECODE] = 0x00000002;
1008
1009 /* SDRAM Parameters */
1010 s->regs[GT_SDRAM_B0] = 0x00000005;
1011 s->regs[GT_SDRAM_B1] = 0x00000005;
1012 s->regs[GT_SDRAM_B2] = 0x00000005;
1013 s->regs[GT_SDRAM_B3] = 0x00000005;
1014
fde7d5bd
TS		 1015 /* ECC */
1016 s->regs[GT_ECC_ERRDATALO] = 0x00000000;
1017 s->regs[GT_ECC_ERRDATAHI] = 0x00000000;
1018 s->regs[GT_ECC_MEM] = 0x00000000;
1019 s->regs[GT_ECC_CALC] = 0x00000000;
1020 s->regs[GT_ECC_ERRADDR] = 0x00000000;
1021
30b6f3a8
TS		 1022 /* Device Parameters */
1023 s->regs[GT_DEV_B0] = 0x386fffff;
1024 s->regs[GT_DEV_B1] = 0x386fffff;
1025 s->regs[GT_DEV_B2] = 0x386fffff;
1026 s->regs[GT_DEV_B3] = 0x386fffff;
1027 s->regs[GT_DEV_BOOT] = 0x146fffff;
0da75eb1 1028
30b6f3a8
TS		 1029 /* DMA registers are all zeroed at reset */
1030
1031 /* Timer/Counter */
1032 s->regs[GT_TC0] = 0xffffffff;
1033 s->regs[GT_TC1] = 0x00ffffff;
1034 s->regs[GT_TC2] = 0x00ffffff;
1035 s->regs[GT_TC3] = 0x00ffffff;
1036 s->regs[GT_TC_CONTROL] = 0x00000000;
1037
1038 /* PCI Internal */
fde7d5bd
TS		 1039#ifdef TARGET_WORDS_BIGENDIAN
1040 s->regs[GT_PCI0_CMD] = 0x00000000;
fde7d5bd
TS		 1041#else
1042 s->regs[GT_PCI0_CMD] = 0x00010001;
fde7d5bd 1043#endif
30b6f3a8
TS		 1044 s->regs[GT_PCI0_TOR] = 0x0000070f;
1045 s->regs[GT_PCI0_BS_SCS10] = 0x00fff000;
1046 s->regs[GT_PCI0_BS_SCS32] = 0x00fff000;
1047 s->regs[GT_PCI0_BS_CS20] = 0x01fff000;
1048 s->regs[GT_PCI0_BS_CS3BT] = 0x00fff000;
fde7d5bd 1049 s->regs[GT_PCI1_IACK] = 0x00000000;
30b6f3a8
TS		 1050 s->regs[GT_PCI0_IACK] = 0x00000000;
1051 s->regs[GT_PCI0_BARE] = 0x0000000f;
1052 s->regs[GT_PCI0_PREFMBR] = 0x00000040;
1053 s->regs[GT_PCI0_SCS10_BAR] = 0x00000000;
1054 s->regs[GT_PCI0_SCS32_BAR] = 0x01000000;
1055 s->regs[GT_PCI0_CS20_BAR] = 0x1c000000;
1056 s->regs[GT_PCI0_CS3BT_BAR] = 0x1f000000;
1057 s->regs[GT_PCI0_SSCS10_BAR] = 0x00000000;
1058 s->regs[GT_PCI0_SSCS32_BAR] = 0x01000000;
1059 s->regs[GT_PCI0_SCS3BT_BAR] = 0x1f000000;
1060#ifdef TARGET_WORDS_BIGENDIAN
1061 s->regs[GT_PCI1_CMD] = 0x00000000;
1062#else
1063 s->regs[GT_PCI1_CMD] = 0x00010001;
1064#endif
1065 s->regs[GT_PCI1_TOR] = 0x0000070f;
1066 s->regs[GT_PCI1_BS_SCS10] = 0x00fff000;
1067 s->regs[GT_PCI1_BS_SCS32] = 0x00fff000;
1068 s->regs[GT_PCI1_BS_CS20] = 0x01fff000;
1069 s->regs[GT_PCI1_BS_CS3BT] = 0x00fff000;
1070 s->regs[GT_PCI1_BARE] = 0x0000000f;
1071 s->regs[GT_PCI1_PREFMBR] = 0x00000040;
1072 s->regs[GT_PCI1_SCS10_BAR] = 0x00000000;
1073 s->regs[GT_PCI1_SCS32_BAR] = 0x01000000;
1074 s->regs[GT_PCI1_CS20_BAR] = 0x1c000000;
1075 s->regs[GT_PCI1_CS3BT_BAR] = 0x1f000000;
1076 s->regs[GT_PCI1_SSCS10_BAR] = 0x00000000;
1077 s->regs[GT_PCI1_SSCS32_BAR] = 0x01000000;
1078 s->regs[GT_PCI1_SCS3BT_BAR] = 0x1f000000;
1079 s->regs[GT_PCI1_CFGADDR] = 0x00000000;
1080 s->regs[GT_PCI1_CFGDATA] = 0x00000000;
1081 s->regs[GT_PCI0_CFGADDR] = 0x00000000;
30b6f3a8
TS		 1082
1083 /* Interrupt registers are all zeroed at reset */
fde7d5bd 1084
a0a8793e 1085 gt64120_isd_mapping(s);
9414cc6f 1086 gt64120_pci_mapping(s);
fde7d5bd
TS		 1087}
1088
1823082c
TS		 1089static void gt64120_save(QEMUFile* f, void *opaque)
1090{
1091 PCIDevice *d = opaque;
1092 pci_device_save(d, f);
1093}
1094
1095static int gt64120_load(QEMUFile* f, void *opaque, int version_id)
1096{
1097 PCIDevice *d = opaque;
1098 int ret;
1099
1100 if (version_id != 1)
1101 return -EINVAL;
1102 ret = pci_device_load(d, f);
1103 if (ret < 0)
1104 return ret;
1105 return 0;
1106}
1107
d537cf6c 1108PCIBus *pci_gt64120_init(qemu_irq *pic)
fde7d5bd
TS		 1109{
1110 GT64120State *s;
1111 PCIDevice *d;
fde7d5bd
TS		 1112
1113 s = qemu_mallocz(sizeof(GT64120State));
1114 s->pci = qemu_mallocz(sizeof(GT64120PCIState));
9414cc6f 1115
02e2da45
PB		 1116 s->pci->bus = pci_register_bus(NULL, "pci",
1117 pci_gt64120_set_irq, pci_gt64120_map_irq,
fde7d5bd 1118 pic, 144, 4);
1eed09cb 1119 s->ISD_handle = cpu_register_io_memory(gt64120_read, gt64120_write, s);
fde7d5bd 1120 d = pci_register_device(s->pci->bus, "GT64120 PCI Bus", sizeof(PCIDevice),
e0fe0204 1121 0, NULL, NULL);
fde7d5bd 1122
0f78cf0c
TS		 1123 /* FIXME: Malta specific hw assumptions ahead */
1124
deb54399 1125 pci_config_set_vendor_id(d->config, PCI_VENDOR_ID_MARVELL);
a770dc7e 1126 pci_config_set_device_id(d->config, PCI_DEVICE_ID_MARVELL_GT6412X);
0f78cf0c
TS		 1127
1128 d->config[0x04] = 0x00;
fde7d5bd
TS		 1129 d->config[0x05] = 0x00;
1130 d->config[0x06] = 0x80;
0f78cf0c
TS		 1131 d->config[0x07] = 0x02;
1132
fde7d5bd
TS		 1133 d->config[0x08] = 0x10;
1134 d->config[0x09] = 0x00;
173a543b 1135 pci_config_set_class(d->config, PCI_CLASS_BRIDGE_HOST);
0f78cf0c
TS		 1136
1137 d->config[0x10] = 0x08;
1138 d->config[0x14] = 0x08;
1139 d->config[0x17] = 0x01;
fde7d5bd
TS		 1140 d->config[0x1B] = 0x1c;
1141 d->config[0x1F] = 0x1f;
1142 d->config[0x23] = 0x14;
0f78cf0c 1143 d->config[0x24] = 0x01;
fde7d5bd
TS		 1144 d->config[0x27] = 0x14;
1145 d->config[0x3D] = 0x01;
1146
a0a8793e
TS		 1147 gt64120_reset(s);
1148
0be71e32
AW		 1149 register_savevm(&d->qdev, "GT64120 PCI Bus", 0, 1,
1150 gt64120_save, gt64120_load, d);
1823082c 1151
fde7d5bd
TS		 1152 return s->pci->bus;
1153}
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