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hw/mips/gt64xxx_pci: Fix PCI IRQ levels to be preserved during migration
[thirdparty/qemu.git] / hw / mips / gt64xxx_pci.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
c684822a 25#include "qemu/osdep.h"
3e80f690 26#include "qapi/error.h"
8110b2bf 27#include "qemu/units.h"
641ca2bf 28#include "qemu/log.h"
0d09e41a 29#include "hw/mips/mips.h"
83c9f4ca
PB		 30#include "hw/pci/pci.h"
31#include "hw/pci/pci_host.h"
e29f2379 32#include "hw/southbridge/piix.h"
d6454270 33#include "migration/vmstate.h"
852c27e2 34#include "hw/intc/i8259.h"
64552b6b 35#include "hw/irq.h"
ab6bff42 36#include "trace.h"
db1015e9 37#include "qom/object.h"
05b4ff43 38
91ce82b2 39#define GT_REGS (0x1000 >> 2)
fde7d5bd
TS		 40
41/* CPU Configuration */
91ce82b2
PMD		 42#define GT_CPU (0x000 >> 2)
43#define GT_MULTI (0x120 >> 2)
fde7d5bd
TS		 44
45/* CPU Address Decode */
91ce82b2
PMD		 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)
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)
66#define GT_ISD (0x068 >> 2)
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)
fde7d5bd
TS		 79
80/* CPU Error Report */
91ce82b2
PMD		 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 */
fde7d5bd
TS		 86
87/* CPU Sync Barrier */
91ce82b2
PMD		 88#define GT_PCI0SYNC (0x0c0 >> 2)
89#define GT_PCI1SYNC (0x0c8 >> 2)
fde7d5bd
TS		 90
91/* SDRAM and Device Address Decode */
91ce82b2
PMD		 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)
fde7d5bd
TS		 111
112/* SDRAM Configuration */
91ce82b2
PMD		 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)
fde7d5bd
TS		 117
118/* SDRAM Parameters */
91ce82b2
PMD		 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)
fde7d5bd
TS		 123
124/* Device Parameters */
91ce82b2
PMD		 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)
fde7d5bd
TS		 130
131/* ECC */
91ce82b2
PMD		 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 */
fde7d5bd
TS		 137
138/* DMA Record */
91ce82b2
PMD		 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)
fde7d5bd
TS		 159
160/* DMA Channel Control */
91ce82b2
PMD		 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)
fde7d5bd
TS		 165
166/* DMA Arbiter */
91ce82b2 167#define GT_DMA_ARB (0x860 >> 2)
fde7d5bd
TS		 168
169/* Timer/Counter */
91ce82b2
PMD		 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)
fde7d5bd
TS		 175
176/* PCI Internal */
91ce82b2
PMD		 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)
fde7d5bd
TS		 213
214/* Interrupts */
91ce82b2
PMD		 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)
fde7d5bd 225
a0a8793e 226#define PCI_MAPPING_ENTRY(regname) \
a8170e5e
AK		 227 hwaddr regname ##_start; \
228 hwaddr regname ##_length; \
fc2bf449 229 MemoryRegion regname ##_mem
a0a8793e 230
8d43d7e5
AF		 231#define TYPE_GT64120_PCI_HOST_BRIDGE "gt64120"
232
8063396b 233OBJECT_DECLARE_SIMPLE_TYPE(GT64120State, GT64120_PCI_HOST_BRIDGE)
8d43d7e5 234
db1015e9 235struct GT64120State {
67c332fd 236 PCIHostState parent_obj;
8d43d7e5 237
fde7d5bd 238 uint32_t regs[GT_REGS];
a0a8793e 239 PCI_MAPPING_ENTRY(PCI0IO);
f720f203
HP		 240 PCI_MAPPING_ENTRY(PCI0M0);
241 PCI_MAPPING_ENTRY(PCI0M1);
a0a8793e 242 PCI_MAPPING_ENTRY(ISD);
f720f203
HP		 243 MemoryRegion pci0_mem;
244 AddressSpace pci0_mem_as;
db1015e9 245};
fde7d5bd 246
a0a8793e 247/* Adjust range to avoid touching space which isn't mappable via PCI */
c47aee35
PMD		 248/*
249 * XXX: Hardcoded values for Malta: 0x1e000000 - 0x1f100000
250 * 0x1fc00000 - 0x1fd00000
251 */
252static void check_reserved_space(hwaddr *start, hwaddr *length)
a0a8793e 253{
a8170e5e
AK		 254 hwaddr begin = *start;
255 hwaddr end = *start + *length;
a0a8793e 256
53539655 257 if (end >= 0x1e000000LL && end < 0x1f100000LL) {
a0a8793e 258 end = 0x1e000000LL;
53539655
PMD		 259 }
260 if (begin >= 0x1e000000LL && begin < 0x1f100000LL) {
a0a8793e 261 begin = 0x1f100000LL;
53539655
PMD		 262 }
263 if (end >= 0x1fc00000LL && end < 0x1fd00000LL) {
a0a8793e 264 end = 0x1fc00000LL;
53539655
PMD		 265 }
266 if (begin >= 0x1fc00000LL && begin < 0x1fd00000LL) {
a0a8793e 267 begin = 0x1fd00000LL;
53539655 268 }
a0a8793e 269 /* XXX: This is broken when a reserved range splits the requested range */
53539655 270 if (end >= 0x1f100000LL && begin < 0x1e000000LL) {
a0a8793e 271 end = 0x1e000000LL;
53539655
PMD		 272 }
273 if (end >= 0x1fd00000LL && begin < 0x1fc00000LL) {
a0a8793e 274 end = 0x1fc00000LL;
53539655 275 }
a0a8793e
TS		 276
277 *start = begin;
278 *length = end - begin;
279}
280
281static void gt64120_isd_mapping(GT64120State *s)
282{
63fc7375
PB		 283 /* Bits 14:0 of ISD map to bits 35:21 of the start address. */
284 hwaddr start = ((hwaddr)s->regs[GT_ISD] << 21) & 0xFFFE00000ull;
a8170e5e 285 hwaddr length = 0x1000;
a0a8793e 286
fc2bf449
AK		 287 if (s->ISD_length) {
288 memory_region_del_subregion(get_system_memory(), &s->ISD_mem);
289 }
a0a8793e
TS		 290 check_reserved_space(&start, &length);
291 length = 0x1000;
292 /* Map new address */
ab6bff42 293 trace_gt64120_isd_remap(s->ISD_length, s->ISD_start, length, start);
a0a8793e
TS		 294 s->ISD_start = start;
295 s->ISD_length = length;
fc2bf449 296 memory_region_add_subregion(get_system_memory(), s->ISD_start, &s->ISD_mem);
a0a8793e
TS		 297}
298
9414cc6f 299static void gt64120_pci_mapping(GT64120State *s)
2a1086d9 300{
f720f203
HP		 301 /* Update PCI0IO mapping */
302 if ((s->regs[GT_PCI0IOLD] & 0x7f) <= s->regs[GT_PCI0IOHD]) {
303 /* Unmap old IO address */
304 if (s->PCI0IO_length) {
305 memory_region_del_subregion(get_system_memory(), &s->PCI0IO_mem);
306 object_unparent(OBJECT(&s->PCI0IO_mem));
307 }
308 /* Map new IO address */
309 s->PCI0IO_start = s->regs[GT_PCI0IOLD] << 21;
310 s->PCI0IO_length = ((s->regs[GT_PCI0IOHD] + 1) -
311 (s->regs[GT_PCI0IOLD] & 0x7f)) << 21;
312 if (s->PCI0IO_length) {
313 memory_region_init_alias(&s->PCI0IO_mem, OBJECT(s), "pci0-io",
314 get_system_io(), 0, s->PCI0IO_length);
315 memory_region_add_subregion(get_system_memory(), s->PCI0IO_start,
316 &s->PCI0IO_mem);
317 }
318 }
319
320 /* Update PCI0M0 mapping */
321 if ((s->regs[GT_PCI0M0LD] & 0x7f) <= s->regs[GT_PCI0M0HD]) {
322 /* Unmap old MEM address */
323 if (s->PCI0M0_length) {
324 memory_region_del_subregion(get_system_memory(), &s->PCI0M0_mem);
325 object_unparent(OBJECT(&s->PCI0M0_mem));
326 }
327 /* Map new mem address */
328 s->PCI0M0_start = s->regs[GT_PCI0M0LD] << 21;
329 s->PCI0M0_length = ((s->regs[GT_PCI0M0HD] + 1) -
330 (s->regs[GT_PCI0M0LD] & 0x7f)) << 21;
331 if (s->PCI0M0_length) {
332 memory_region_init_alias(&s->PCI0M0_mem, OBJECT(s), "pci0-mem0",
333 &s->pci0_mem, s->PCI0M0_start,
334 s->PCI0M0_length);
335 memory_region_add_subregion(get_system_memory(), s->PCI0M0_start,
336 &s->PCI0M0_mem);
337 }
338 }
339
340 /* Update PCI0M1 mapping */
341 if ((s->regs[GT_PCI0M1LD] & 0x7f) <= s->regs[GT_PCI0M1HD]) {
342 /* Unmap old MEM address */
343 if (s->PCI0M1_length) {
344 memory_region_del_subregion(get_system_memory(), &s->PCI0M1_mem);
345 object_unparent(OBJECT(&s->PCI0M1_mem));
346 }
347 /* Map new mem address */
348 s->PCI0M1_start = s->regs[GT_PCI0M1LD] << 21;
349 s->PCI0M1_length = ((s->regs[GT_PCI0M1HD] + 1) -
350 (s->regs[GT_PCI0M1LD] & 0x7f)) << 21;
351 if (s->PCI0M1_length) {
352 memory_region_init_alias(&s->PCI0M1_mem, OBJECT(s), "pci0-mem1",
353 &s->pci0_mem, s->PCI0M1_start,
354 s->PCI0M1_length);
355 memory_region_add_subregion(get_system_memory(), s->PCI0M1_start,
356 &s->PCI0M1_mem);
357 }
9414cc6f 358 }
2a1086d9
TS		 359}
360
427e1750
SL		 361static int gt64120_post_load(void *opaque, int version_id)
362{
363 GT64120State *s = opaque;
364
365 gt64120_isd_mapping(s);
366 gt64120_pci_mapping(s);
367
368 return 0;
369}
370
371static const VMStateDescription vmstate_gt64120 = {
372 .name = "gt64120",
373 .version_id = 1,
374 .minimum_version_id = 1,
375 .post_load = gt64120_post_load,
376 .fields = (VMStateField[]) {
377 VMSTATE_UINT32_ARRAY(regs, GT64120State, GT_REGS),
378 VMSTATE_END_OF_LIST()
379 }
380};
381
b61104b2
PMD		 382static void gt64120_writel(void *opaque, hwaddr addr,
383 uint64_t val, unsigned size)
fde7d5bd
TS		 384{
385 GT64120State *s = opaque;
67c332fd 386 PCIHostState *phb = PCI_HOST_BRIDGE(s);
8d492c5f 387 uint32_t saddr = addr >> 2;
fde7d5bd 388
f8ead0d7 389 trace_gt64120_write(addr, val);
53539655 390 if (!(s->regs[GT_CPU] & 0x00001000)) {
1931e260 391 val = bswap32(val);
53539655 392 }
0da75eb1 393
fde7d5bd 394 switch (saddr) {
0da75eb1
TS		 395
396 /* CPU Configuration */
fde7d5bd
TS		 397 case GT_CPU:
398 s->regs[GT_CPU] = val;
fde7d5bd
TS		 399 break;
400 case GT_MULTI:
7d37435b 401 /* Read-only register as only one GT64xxx is present on the CPU bus */
fde7d5bd
TS		 402 break;
403
404 /* CPU Address Decode */
405 case GT_PCI0IOLD:
406 s->regs[GT_PCI0IOLD] = val & 0x00007fff;
407 s->regs[GT_PCI0IOREMAP] = val & 0x000007ff;
9414cc6f 408 gt64120_pci_mapping(s);
fde7d5bd
TS		 409 break;
410 case GT_PCI0M0LD:
411 s->regs[GT_PCI0M0LD] = val & 0x00007fff;
412 s->regs[GT_PCI0M0REMAP] = val & 0x000007ff;
f720f203 413 gt64120_pci_mapping(s);
fde7d5bd
TS		 414 break;
415 case GT_PCI0M1LD:
416 s->regs[GT_PCI0M1LD] = val & 0x00007fff;
417 s->regs[GT_PCI0M1REMAP] = val & 0x000007ff;
f720f203 418 gt64120_pci_mapping(s);
fde7d5bd
TS		 419 break;
420 case GT_PCI1IOLD:
421 s->regs[GT_PCI1IOLD] = val & 0x00007fff;
422 s->regs[GT_PCI1IOREMAP] = val & 0x000007ff;
fde7d5bd
TS		 423 break;
424 case GT_PCI1M0LD:
425 s->regs[GT_PCI1M0LD] = val & 0x00007fff;
426 s->regs[GT_PCI1M0REMAP] = val & 0x000007ff;
fde7d5bd
TS		 427 break;
428 case GT_PCI1M1LD:
429 s->regs[GT_PCI1M1LD] = val & 0x00007fff;
430 s->regs[GT_PCI1M1REMAP] = val & 0x000007ff;
fde7d5bd 431 break;
f720f203
HP		 432 case GT_PCI0M0HD:
433 case GT_PCI0M1HD:
fde7d5bd 434 case GT_PCI0IOHD:
bb433bef
TS		 435 s->regs[saddr] = val & 0x0000007f;
436 gt64120_pci_mapping(s);
437 break;
fde7d5bd
TS		 438 case GT_PCI1IOHD:
439 case GT_PCI1M0HD:
440 case GT_PCI1M1HD:
441 s->regs[saddr] = val & 0x0000007f;
fde7d5bd 442 break;
a0a8793e
TS		 443 case GT_ISD:
444 s->regs[saddr] = val & 0x00007fff;
445 gt64120_isd_mapping(s);
446 break;
447
fde7d5bd
TS		 448 case GT_PCI0IOREMAP:
449 case GT_PCI0M0REMAP:
450 case GT_PCI0M1REMAP:
451 case GT_PCI1IOREMAP:
452 case GT_PCI1M0REMAP:
453 case GT_PCI1M1REMAP:
454 s->regs[saddr] = val & 0x000007ff;
fde7d5bd
TS		 455 break;
456
457 /* CPU Error Report */
458 case GT_CPUERR_ADDRLO:
459 case GT_CPUERR_ADDRHI:
460 case GT_CPUERR_DATALO:
461 case GT_CPUERR_DATAHI:
462 case GT_CPUERR_PARITY:
7d37435b 463 /* Read-only registers, do nothing */
641ca2bf
PMD		 464 qemu_log_mask(LOG_GUEST_ERROR,
465 "gt64120: Read-only register write "
1c8d4071 466 "reg:0x%03x size:%u value:0x%0*" PRIx64 "\n",
641ca2bf 467 saddr << 2, size, size << 1, val);
0da75eb1
TS		 468 break;
469
470 /* CPU Sync Barrier */
471 case GT_PCI0SYNC:
472 case GT_PCI1SYNC:
7d37435b 473 /* Read-only registers, do nothing */
641ca2bf
PMD		 474 qemu_log_mask(LOG_GUEST_ERROR,
475 "gt64120: Read-only register write "
1c8d4071 476 "reg:0x%03x size:%u value:0x%0*" PRIx64 "\n",
641ca2bf 477 saddr << 2, size, size << 1, val);
fde7d5bd
TS		 478 break;
479
05b4ff43
TS		 480 /* SDRAM and Device Address Decode */
481 case GT_SCS0LD:
482 case GT_SCS0HD:
483 case GT_SCS1LD:
484 case GT_SCS1HD:
485 case GT_SCS2LD:
486 case GT_SCS2HD:
487 case GT_SCS3LD:
488 case GT_SCS3HD:
489 case GT_CS0LD:
490 case GT_CS0HD:
491 case GT_CS1LD:
492 case GT_CS1HD:
493 case GT_CS2LD:
494 case GT_CS2HD:
495 case GT_CS3LD:
496 case GT_CS3HD:
497 case GT_BOOTLD:
498 case GT_BOOTHD:
499 case GT_ADERR:
500 /* SDRAM Configuration */
501 case GT_SDRAM_CFG:
502 case GT_SDRAM_OPMODE:
503 case GT_SDRAM_BM:
504 case GT_SDRAM_ADDRDECODE:
505 /* Accept and ignore SDRAM interleave configuration */
506 s->regs[saddr] = val;
507 break;
508
509 /* Device Parameters */
510 case GT_DEV_B0:
511 case GT_DEV_B1:
512 case GT_DEV_B2:
513 case GT_DEV_B3:
514 case GT_DEV_BOOT:
515 /* Not implemented */
641ca2bf
PMD		 516 qemu_log_mask(LOG_UNIMP,
517 "gt64120: Unimplemented device register write "
1c8d4071 518 "reg:0x%03x size:%u value:0x%0*" PRIx64 "\n",
641ca2bf 519 saddr << 2, size, size << 1, val);
05b4ff43
TS		 520 break;
521
fde7d5bd
TS		 522 /* ECC */
523 case GT_ECC_ERRDATALO:
524 case GT_ECC_ERRDATAHI:
525 case GT_ECC_MEM:
526 case GT_ECC_CALC:
527 case GT_ECC_ERRADDR:
0da75eb1 528 /* Read-only registers, do nothing */
641ca2bf
PMD		 529 qemu_log_mask(LOG_GUEST_ERROR,
530 "gt64120: Read-only register write "
1c8d4071 531 "reg:0x%03x size:%u value:0x%0*" PRIx64 "\n",
641ca2bf 532 saddr << 2, size, size << 1, val);
fde7d5bd
TS		 533 break;
534
05b4ff43
TS		 535 /* DMA Record */
536 case GT_DMA0_CNT:
537 case GT_DMA1_CNT:
538 case GT_DMA2_CNT:
539 case GT_DMA3_CNT:
540 case GT_DMA0_SA:
541 case GT_DMA1_SA:
542 case GT_DMA2_SA:
543 case GT_DMA3_SA:
544 case GT_DMA0_DA:
545 case GT_DMA1_DA:
546 case GT_DMA2_DA:
547 case GT_DMA3_DA:
548 case GT_DMA0_NEXT:
549 case GT_DMA1_NEXT:
550 case GT_DMA2_NEXT:
551 case GT_DMA3_NEXT:
552 case GT_DMA0_CUR:
553 case GT_DMA1_CUR:
554 case GT_DMA2_CUR:
555 case GT_DMA3_CUR:
05b4ff43
TS		 556
557 /* DMA Channel Control */
558 case GT_DMA0_CTRL:
559 case GT_DMA1_CTRL:
560 case GT_DMA2_CTRL:
561 case GT_DMA3_CTRL:
05b4ff43
TS		 562
563 /* DMA Arbiter */
564 case GT_DMA_ARB:
565 /* Not implemented */
641ca2bf
PMD		 566 qemu_log_mask(LOG_UNIMP,
567 "gt64120: Unimplemented DMA register write "
1c8d4071 568 "reg:0x%03x size:%u value:0x%0*" PRIx64 "\n",
641ca2bf 569 saddr << 2, size, size << 1, val);
05b4ff43
TS		 570 break;
571
572 /* Timer/Counter */
573 case GT_TC0:
574 case GT_TC1:
575 case GT_TC2:
576 case GT_TC3:
577 case GT_TC_CONTROL:
578 /* Not implemented */
641ca2bf
PMD		 579 qemu_log_mask(LOG_UNIMP,
580 "gt64120: Unimplemented timer register write "
1c8d4071 581 "reg:0x%03x size:%u value:0x%0*" PRIx64 "\n",
641ca2bf 582 saddr << 2, size, size << 1, val);
05b4ff43
TS		 583 break;
584
fde7d5bd
TS		 585 /* PCI Internal */
586 case GT_PCI0_CMD:
587 case GT_PCI1_CMD:
588 s->regs[saddr] = val & 0x0401fc0f;
589 break;
05b4ff43
TS		 590 case GT_PCI0_TOR:
591 case GT_PCI0_BS_SCS10:
592 case GT_PCI0_BS_SCS32:
593 case GT_PCI0_BS_CS20:
594 case GT_PCI0_BS_CS3BT:
595 case GT_PCI1_IACK:
596 case GT_PCI0_IACK:
597 case GT_PCI0_BARE:
598 case GT_PCI0_PREFMBR:
599 case GT_PCI0_SCS10_BAR:
600 case GT_PCI0_SCS32_BAR:
601 case GT_PCI0_CS20_BAR:
602 case GT_PCI0_CS3BT_BAR:
603 case GT_PCI0_SSCS10_BAR:
604 case GT_PCI0_SSCS32_BAR:
605 case GT_PCI0_SCS3BT_BAR:
606 case GT_PCI1_TOR:
607 case GT_PCI1_BS_SCS10:
608 case GT_PCI1_BS_SCS32:
609 case GT_PCI1_BS_CS20:
610 case GT_PCI1_BS_CS3BT:
611 case GT_PCI1_BARE:
612 case GT_PCI1_PREFMBR:
613 case GT_PCI1_SCS10_BAR:
614 case GT_PCI1_SCS32_BAR:
615 case GT_PCI1_CS20_BAR:
616 case GT_PCI1_CS3BT_BAR:
617 case GT_PCI1_SSCS10_BAR:
618 case GT_PCI1_SSCS32_BAR:
619 case GT_PCI1_SCS3BT_BAR:
620 case GT_PCI1_CFGADDR:
621 case GT_PCI1_CFGDATA:
622 /* not implemented */
641ca2bf 623 qemu_log_mask(LOG_UNIMP,
1c8d4071
PMD		 624 "gt64120: Unimplemented PCI register write "
625 "reg:0x%03x size:%u value:0x%0*" PRIx64 "\n",
641ca2bf 626 saddr << 2, size, size << 1, val);
05b4ff43 627 break;
fde7d5bd 628 case GT_PCI0_CFGADDR:
67c332fd 629 phb->config_reg = val & 0x80fffffc;
fde7d5bd
TS		 630 break;
631 case GT_PCI0_CFGDATA:
67c332fd 632 if (!(s->regs[GT_PCI0_CMD] & 1) && (phb->config_reg & 0x00fff800)) {
c6c99c3f 633 val = bswap32(val);
67c332fd
AF		 634 }
635 if (phb->config_reg & (1u << 31)) {
636 pci_data_write(phb->bus, phb->config_reg, val, 4);
637 }
05b4ff43
TS		 638 break;
639
640 /* Interrupts */
641 case GT_INTRCAUSE:
642 /* not really implemented */
643 s->regs[saddr] = ~(~(s->regs[saddr]) | ~(val & 0xfffffffe));
644 s->regs[saddr] |= !!(s->regs[saddr] & 0xfffffffe);
1b3422bd 645 trace_gt64120_write_intreg("INTRCAUSE", size, val);
05b4ff43
TS		 646 break;
647 case GT_INTRMASK:
648 s->regs[saddr] = val & 0x3c3ffffe;
1b3422bd 649 trace_gt64120_write_intreg("INTRMASK", size, val);
05b4ff43
TS		 650 break;
651 case GT_PCI0_ICMASK:
652 s->regs[saddr] = val & 0x03fffffe;
1b3422bd 653 trace_gt64120_write_intreg("ICMASK", size, val);
05b4ff43
TS		 654 break;
655 case GT_PCI0_SERR0MASK:
656 s->regs[saddr] = val & 0x0000003f;
1b3422bd 657 trace_gt64120_write_intreg("SERR0MASK", size, val);
05b4ff43
TS		 658 break;
659
660 /* Reserved when only PCI_0 is configured. */
661 case GT_HINTRCAUSE:
662 case GT_CPU_INTSEL:
663 case GT_PCI0_INTSEL:
664 case GT_HINTRMASK:
665 case GT_PCI0_HICMASK:
666 case GT_PCI1_SERR1MASK:
667 /* not implemented */
fde7d5bd
TS		 668 break;
669
0da75eb1
TS		 670 /* SDRAM Parameters */
671 case GT_SDRAM_B0:
672 case GT_SDRAM_B1:
673 case GT_SDRAM_B2:
674 case GT_SDRAM_B3:
c47aee35
PMD		 675 /*
676 * We don't simulate electrical parameters of the SDRAM.
677 * Accept, but ignore the values.
678 */
0da75eb1
TS		 679 s->regs[saddr] = val;
680 break;
681
fde7d5bd 682 default:
641ca2bf
PMD		 683 qemu_log_mask(LOG_GUEST_ERROR,
684 "gt64120: Illegal register write "
1c8d4071 685 "reg:0x%03x size:%u value:0x%0*" PRIx64 "\n",
641ca2bf 686 saddr << 2, size, size << 1, val);
fde7d5bd
TS		 687 break;
688 }
689}
690
b61104b2
PMD		 691static uint64_t gt64120_readl(void *opaque,
692 hwaddr addr, unsigned size)
fde7d5bd
TS		 693{
694 GT64120State *s = opaque;
67c332fd 695 PCIHostState *phb = PCI_HOST_BRIDGE(s);
fde7d5bd 696 uint32_t val;
8d492c5f 697 uint32_t saddr = addr >> 2;
fde7d5bd 698
fde7d5bd
TS		 699 switch (saddr) {
700
0da75eb1
TS		 701 /* CPU Configuration */
702 case GT_MULTI:
c47aee35
PMD		 703 /*
704 * Only one GT64xxx is present on the CPU bus, return
705 * the initial value.
706 */
0da75eb1
TS		 707 val = s->regs[saddr];
708 break;
709
fde7d5bd
TS		 710 /* CPU Error Report */
711 case GT_CPUERR_ADDRLO:
712 case GT_CPUERR_ADDRHI:
713 case GT_CPUERR_DATALO:
714 case GT_CPUERR_DATAHI:
715 case GT_CPUERR_PARITY:
c47aee35 716 /* Emulated memory has no error, always return the initial values. */
0da75eb1
TS		 717 val = s->regs[saddr];
718 break;
719
720 /* CPU Sync Barrier */
721 case GT_PCI0SYNC:
722 case GT_PCI1SYNC:
c47aee35
PMD		 723 /*
724 * Reading those register should empty all FIFO on the PCI
725 * bus, which are not emulated. The return value should be
726 * a random value that should be ignored.
727 */
5fafdf24 728 val = 0xc000ffee;
fde7d5bd
TS		 729 break;
730
731 /* ECC */
732 case GT_ECC_ERRDATALO:
733 case GT_ECC_ERRDATAHI:
734 case GT_ECC_MEM:
735 case GT_ECC_CALC:
736 case GT_ECC_ERRADDR:
c47aee35 737 /* Emulated memory has no error, always return the initial values. */
0da75eb1 738 val = s->regs[saddr];
fde7d5bd
TS		 739 break;
740
741 case GT_CPU:
05b4ff43
TS		 742 case GT_SCS10LD:
743 case GT_SCS10HD:
744 case GT_SCS32LD:
745 case GT_SCS32HD:
746 case GT_CS20LD:
747 case GT_CS20HD:
748 case GT_CS3BOOTLD:
749 case GT_CS3BOOTHD:
750 case GT_SCS10AR:
751 case GT_SCS32AR:
752 case GT_CS20R:
753 case GT_CS3BOOTR:
fde7d5bd
TS		 754 case GT_PCI0IOLD:
755 case GT_PCI0M0LD:
756 case GT_PCI0M1LD:
757 case GT_PCI1IOLD:
758 case GT_PCI1M0LD:
759 case GT_PCI1M1LD:
760 case GT_PCI0IOHD:
761 case GT_PCI0M0HD:
762 case GT_PCI0M1HD:
763 case GT_PCI1IOHD:
764 case GT_PCI1M0HD:
765 case GT_PCI1M1HD:
fde7d5bd
TS		 766 case GT_PCI0IOREMAP:
767 case GT_PCI0M0REMAP:
768 case GT_PCI0M1REMAP:
769 case GT_PCI1IOREMAP:
770 case GT_PCI1M0REMAP:
771 case GT_PCI1M1REMAP:
05b4ff43 772 case GT_ISD:
fde7d5bd
TS		 773 val = s->regs[saddr];
774 break;
775 case GT_PCI0_IACK:
5fafdf24 776 /* Read the IRQ number */
4de9b249 777 val = pic_read_irq(isa_pic);
fde7d5bd
TS		 778 break;
779
05b4ff43
TS		 780 /* SDRAM and Device Address Decode */
781 case GT_SCS0LD:
782 case GT_SCS0HD:
783 case GT_SCS1LD:
784 case GT_SCS1HD:
785 case GT_SCS2LD:
786 case GT_SCS2HD:
787 case GT_SCS3LD:
788 case GT_SCS3HD:
789 case GT_CS0LD:
790 case GT_CS0HD:
791 case GT_CS1LD:
792 case GT_CS1HD:
793 case GT_CS2LD:
794 case GT_CS2HD:
795 case GT_CS3LD:
796 case GT_CS3HD:
797 case GT_BOOTLD:
798 case GT_BOOTHD:
799 case GT_ADERR:
800 val = s->regs[saddr];
801 break;
802
803 /* SDRAM Configuration */
804 case GT_SDRAM_CFG:
805 case GT_SDRAM_OPMODE:
806 case GT_SDRAM_BM:
807 case GT_SDRAM_ADDRDECODE:
808 val = s->regs[saddr];
809 break;
810
0da75eb1
TS		 811 /* SDRAM Parameters */
812 case GT_SDRAM_B0:
813 case GT_SDRAM_B1:
814 case GT_SDRAM_B2:
815 case GT_SDRAM_B3:
c47aee35
PMD		 816 /*
817 * We don't simulate electrical parameters of the SDRAM.
818 * Just return the last written value.
819 */
0da75eb1
TS		 820 val = s->regs[saddr];
821 break;
822
05b4ff43
TS		 823 /* Device Parameters */
824 case GT_DEV_B0:
825 case GT_DEV_B1:
826 case GT_DEV_B2:
827 case GT_DEV_B3:
828 case GT_DEV_BOOT:
829 val = s->regs[saddr];
830 break;
831
832 /* DMA Record */
833 case GT_DMA0_CNT:
834 case GT_DMA1_CNT:
835 case GT_DMA2_CNT:
836 case GT_DMA3_CNT:
837 case GT_DMA0_SA:
838 case GT_DMA1_SA:
839 case GT_DMA2_SA:
840 case GT_DMA3_SA:
841 case GT_DMA0_DA:
842 case GT_DMA1_DA:
843 case GT_DMA2_DA:
844 case GT_DMA3_DA:
845 case GT_DMA0_NEXT:
846 case GT_DMA1_NEXT:
847 case GT_DMA2_NEXT:
848 case GT_DMA3_NEXT:
849 case GT_DMA0_CUR:
850 case GT_DMA1_CUR:
851 case GT_DMA2_CUR:
852 case GT_DMA3_CUR:
853 val = s->regs[saddr];
854 break;
855
856 /* DMA Channel Control */
857 case GT_DMA0_CTRL:
858 case GT_DMA1_CTRL:
859 case GT_DMA2_CTRL:
860 case GT_DMA3_CTRL:
861 val = s->regs[saddr];
862 break;
863
864 /* DMA Arbiter */
865 case GT_DMA_ARB:
866 val = s->regs[saddr];
867 break;
868
869 /* Timer/Counter */
870 case GT_TC0:
871 case GT_TC1:
872 case GT_TC2:
873 case GT_TC3:
874 case GT_TC_CONTROL:
875 val = s->regs[saddr];
876 break;
877
fde7d5bd
TS		 878 /* PCI Internal */
879 case GT_PCI0_CFGADDR:
67c332fd 880 val = phb->config_reg;
fde7d5bd
TS		 881 break;
882 case GT_PCI0_CFGDATA:
67c332fd 883 if (!(phb->config_reg & (1 << 31))) {
c6c99c3f 884 val = 0xffffffff;
67c332fd
AF		 885 } else {
886 val = pci_data_read(phb->bus, phb->config_reg, 4);
887 }
888 if (!(s->regs[GT_PCI0_CMD] & 1) && (phb->config_reg & 0x00fff800)) {
c6c99c3f 889 val = bswap32(val);
67c332fd 890 }
05b4ff43
TS		 891 break;
892
893 case GT_PCI0_CMD:
894 case GT_PCI0_TOR:
895 case GT_PCI0_BS_SCS10:
896 case GT_PCI0_BS_SCS32:
897 case GT_PCI0_BS_CS20:
898 case GT_PCI0_BS_CS3BT:
899 case GT_PCI1_IACK:
900 case GT_PCI0_BARE:
901 case GT_PCI0_PREFMBR:
902 case GT_PCI0_SCS10_BAR:
903 case GT_PCI0_SCS32_BAR:
904 case GT_PCI0_CS20_BAR:
905 case GT_PCI0_CS3BT_BAR:
906 case GT_PCI0_SSCS10_BAR:
907 case GT_PCI0_SSCS32_BAR:
908 case GT_PCI0_SCS3BT_BAR:
909 case GT_PCI1_CMD:
910 case GT_PCI1_TOR:
911 case GT_PCI1_BS_SCS10:
912 case GT_PCI1_BS_SCS32:
913 case GT_PCI1_BS_CS20:
914 case GT_PCI1_BS_CS3BT:
915 case GT_PCI1_BARE:
916 case GT_PCI1_PREFMBR:
917 case GT_PCI1_SCS10_BAR:
918 case GT_PCI1_SCS32_BAR:
919 case GT_PCI1_CS20_BAR:
920 case GT_PCI1_CS3BT_BAR:
921 case GT_PCI1_SSCS10_BAR:
922 case GT_PCI1_SSCS32_BAR:
923 case GT_PCI1_SCS3BT_BAR:
924 case GT_PCI1_CFGADDR:
925 case GT_PCI1_CFGDATA:
926 val = s->regs[saddr];
927 break;
928
929 /* Interrupts */
930 case GT_INTRCAUSE:
931 val = s->regs[saddr];
1b3422bd 932 trace_gt64120_read_intreg("INTRCAUSE", size, val);
05b4ff43
TS		 933 break;
934 case GT_INTRMASK:
935 val = s->regs[saddr];
1b3422bd 936 trace_gt64120_read_intreg("INTRMASK", size, val);
05b4ff43
TS		 937 break;
938 case GT_PCI0_ICMASK:
939 val = s->regs[saddr];
1b3422bd 940 trace_gt64120_read_intreg("ICMASK", size, val);
05b4ff43
TS		 941 break;
942 case GT_PCI0_SERR0MASK:
943 val = s->regs[saddr];
1b3422bd 944 trace_gt64120_read_intreg("SERR0MASK", size, val);
05b4ff43
TS		 945 break;
946
947 /* Reserved when only PCI_0 is configured. */
948 case GT_HINTRCAUSE:
949 case GT_CPU_INTSEL:
950 case GT_PCI0_INTSEL:
951 case GT_HINTRMASK:
952 case GT_PCI0_HICMASK:
953 case GT_PCI1_SERR1MASK:
954 val = s->regs[saddr];
fde7d5bd
TS		 955 break;
956
957 default:
958 val = s->regs[saddr];
641ca2bf
PMD		 959 qemu_log_mask(LOG_GUEST_ERROR,
960 "gt64120: Illegal register read "
1c8d4071 961 "reg:0x%03x size:%u value:0x%0*x\n",
641ca2bf 962 saddr << 2, size, size << 1, val);
fde7d5bd
TS		 963 break;
964 }
965
53539655 966 if (!(s->regs[GT_CPU] & 0x00001000)) {
1931e260 967 val = bswap32(val);
53539655 968 }
f8ead0d7 969 trace_gt64120_read(addr, val);
1931e260 970
05b4ff43 971 return val;
fde7d5bd
TS		 972}
973
fc2bf449
AK		 974static const MemoryRegionOps isd_mem_ops = {
975 .read = gt64120_readl,
976 .write = gt64120_writel,
977 .endianness = DEVICE_NATIVE_ENDIAN,
8d492c5f
PMD		 978 .impl = {
979 .min_access_size = 4,
980 .max_access_size = 4,
981 },
fde7d5bd
TS		 982};
983
c2dd2a23 984static int gt64120_pci_map_irq(PCIDevice *pci_dev, int irq_num)
fde7d5bd
TS		 985{
986 int slot;
987
8d40def6 988 slot = PCI_SLOT(pci_dev->devfn);
fde7d5bd
TS		 989
990 switch (slot) {
c47aee35
PMD		 991 /* PIIX4 USB */
992 case 10:
fde7d5bd 993 return 3;
c47aee35
PMD		 994 /* AMD 79C973 Ethernet */
995 case 11:
d4a4d056 996 return 1;
c47aee35
PMD		 997 /* Crystal 4281 Sound */
998 case 12:
d4a4d056 999 return 2;
c47aee35
PMD		 1000 /* PCI slot 1 to 4 */
1001 case 18 ... 21:
fde7d5bd 1002 return ((slot - 18) + irq_num) & 0x03;
c47aee35
PMD		 1003 /* Unknown device, don't do any translation */
1004 default:
fde7d5bd
TS		 1005 return irq_num;
1006 }
1007}
1008
c2dd2a23 1009static void gt64120_pci_set_irq(void *opaque, int irq_num, int level)
fde7d5bd
TS		 1010{
1011 int i, pic_irq, pic_level;
5d4e84c8 1012 qemu_irq *pic = opaque;
c2916358 1013 PCIBus *bus = pci_get_bus(piix4_dev);
fde7d5bd
TS		 1014
1015 /* now we change the pic irq level according to the piix irq mappings */
1016 /* XXX: optimize */
4b19de14 1017 pic_irq = piix4_dev->config[PIIX_PIRQCA + irq_num];
fde7d5bd 1018 if (pic_irq < 16) {
c47aee35 1019 /* The pic level is the logical OR of all the PCI irqs mapped to it. */
fde7d5bd
TS		 1020 pic_level = 0;
1021 for (i = 0; i < 4; i++) {
4b19de14 1022 if (pic_irq == piix4_dev->config[PIIX_PIRQCA + i]) {
c2916358 1023 pic_level |= pci_bus_get_irq_level(bus, i);
53539655 1024 }
fde7d5bd 1025 }
d537cf6c 1026 qemu_set_irq(pic[pic_irq], pic_level);
fde7d5bd
TS		 1027 }
1028}
1029
1030
43fd7bbf 1031static void gt64120_reset(DeviceState *dev)
fde7d5bd 1032{
43fd7bbf 1033 GT64120State *s = GT64120_PCI_HOST_BRIDGE(dev);
fde7d5bd 1034
30b6f3a8
TS		 1035 /* FIXME: Malta specific hw assumptions ahead */
1036
fde7d5bd
TS		 1037 /* CPU Configuration */
1038#ifdef TARGET_WORDS_BIGENDIAN
1039 s->regs[GT_CPU] = 0x00000000;
1040#else
bc687ec9 1041 s->regs[GT_CPU] = 0x00001000;
fde7d5bd 1042#endif
30b6f3a8
TS		 1043 s->regs[GT_MULTI] = 0x00000003;
1044
1045 /* CPU Address decode */
1046 s->regs[GT_SCS10LD] = 0x00000000;
1047 s->regs[GT_SCS10HD] = 0x00000007;
1048 s->regs[GT_SCS32LD] = 0x00000008;
1049 s->regs[GT_SCS32HD] = 0x0000000f;
1050 s->regs[GT_CS20LD] = 0x000000e0;
1051 s->regs[GT_CS20HD] = 0x00000070;
1052 s->regs[GT_CS3BOOTLD] = 0x000000f8;
1053 s->regs[GT_CS3BOOTHD] = 0x0000007f;
fde7d5bd 1054
fde7d5bd
TS		 1055 s->regs[GT_PCI0IOLD] = 0x00000080;
1056 s->regs[GT_PCI0IOHD] = 0x0000000f;
1057 s->regs[GT_PCI0M0LD] = 0x00000090;
1058 s->regs[GT_PCI0M0HD] = 0x0000001f;
30b6f3a8 1059 s->regs[GT_ISD] = 0x000000a0;
fde7d5bd
TS		 1060 s->regs[GT_PCI0M1LD] = 0x00000790;
1061 s->regs[GT_PCI0M1HD] = 0x0000001f;
1062 s->regs[GT_PCI1IOLD] = 0x00000100;
1063 s->regs[GT_PCI1IOHD] = 0x0000000f;
1064 s->regs[GT_PCI1M0LD] = 0x00000110;
1065 s->regs[GT_PCI1M0HD] = 0x0000001f;
1066 s->regs[GT_PCI1M1LD] = 0x00000120;
1067 s->regs[GT_PCI1M1HD] = 0x0000002f;
30b6f3a8
TS		 1068
1069 s->regs[GT_SCS10AR] = 0x00000000;
1070 s->regs[GT_SCS32AR] = 0x00000008;
1071 s->regs[GT_CS20R] = 0x000000e0;
1072 s->regs[GT_CS3BOOTR] = 0x000000f8;
1073
fde7d5bd
TS		 1074 s->regs[GT_PCI0IOREMAP] = 0x00000080;
1075 s->regs[GT_PCI0M0REMAP] = 0x00000090;
1076 s->regs[GT_PCI0M1REMAP] = 0x00000790;
1077 s->regs[GT_PCI1IOREMAP] = 0x00000100;
1078 s->regs[GT_PCI1M0REMAP] = 0x00000110;
1079 s->regs[GT_PCI1M1REMAP] = 0x00000120;
1080
1081 /* CPU Error Report */
1082 s->regs[GT_CPUERR_ADDRLO] = 0x00000000;
1083 s->regs[GT_CPUERR_ADDRHI] = 0x00000000;
1084 s->regs[GT_CPUERR_DATALO] = 0xffffffff;
1085 s->regs[GT_CPUERR_DATAHI] = 0xffffffff;
1086 s->regs[GT_CPUERR_PARITY] = 0x000000ff;
1087
30b6f3a8
TS		 1088 /* CPU Sync Barrier */
1089 s->regs[GT_PCI0SYNC] = 0x00000000;
1090 s->regs[GT_PCI1SYNC] = 0x00000000;
1091
1092 /* SDRAM and Device Address Decode */
1093 s->regs[GT_SCS0LD] = 0x00000000;
1094 s->regs[GT_SCS0HD] = 0x00000007;
1095 s->regs[GT_SCS1LD] = 0x00000008;
1096 s->regs[GT_SCS1HD] = 0x0000000f;
1097 s->regs[GT_SCS2LD] = 0x00000010;
1098 s->regs[GT_SCS2HD] = 0x00000017;
1099 s->regs[GT_SCS3LD] = 0x00000018;
1100 s->regs[GT_SCS3HD] = 0x0000001f;
1101 s->regs[GT_CS0LD] = 0x000000c0;
1102 s->regs[GT_CS0HD] = 0x000000c7;
1103 s->regs[GT_CS1LD] = 0x000000c8;
1104 s->regs[GT_CS1HD] = 0x000000cf;
1105 s->regs[GT_CS2LD] = 0x000000d0;
1106 s->regs[GT_CS2HD] = 0x000000df;
1107 s->regs[GT_CS3LD] = 0x000000f0;
1108 s->regs[GT_CS3HD] = 0x000000fb;
1109 s->regs[GT_BOOTLD] = 0x000000fc;
1110 s->regs[GT_BOOTHD] = 0x000000ff;
1111 s->regs[GT_ADERR] = 0xffffffff;
1112
1113 /* SDRAM Configuration */
1114 s->regs[GT_SDRAM_CFG] = 0x00000200;
1115 s->regs[GT_SDRAM_OPMODE] = 0x00000000;
1116 s->regs[GT_SDRAM_BM] = 0x00000007;
1117 s->regs[GT_SDRAM_ADDRDECODE] = 0x00000002;
1118
1119 /* SDRAM Parameters */
1120 s->regs[GT_SDRAM_B0] = 0x00000005;
1121 s->regs[GT_SDRAM_B1] = 0x00000005;
1122 s->regs[GT_SDRAM_B2] = 0x00000005;
1123 s->regs[GT_SDRAM_B3] = 0x00000005;
1124
fde7d5bd
TS		 1125 /* ECC */
1126 s->regs[GT_ECC_ERRDATALO] = 0x00000000;
1127 s->regs[GT_ECC_ERRDATAHI] = 0x00000000;
1128 s->regs[GT_ECC_MEM] = 0x00000000;
1129 s->regs[GT_ECC_CALC] = 0x00000000;
1130 s->regs[GT_ECC_ERRADDR] = 0x00000000;
1131
30b6f3a8
TS		 1132 /* Device Parameters */
1133 s->regs[GT_DEV_B0] = 0x386fffff;
1134 s->regs[GT_DEV_B1] = 0x386fffff;
1135 s->regs[GT_DEV_B2] = 0x386fffff;
1136 s->regs[GT_DEV_B3] = 0x386fffff;
1137 s->regs[GT_DEV_BOOT] = 0x146fffff;
0da75eb1 1138
30b6f3a8
TS		 1139 /* DMA registers are all zeroed at reset */
1140
1141 /* Timer/Counter */
1142 s->regs[GT_TC0] = 0xffffffff;
1143 s->regs[GT_TC1] = 0x00ffffff;
1144 s->regs[GT_TC2] = 0x00ffffff;
1145 s->regs[GT_TC3] = 0x00ffffff;
1146 s->regs[GT_TC_CONTROL] = 0x00000000;
1147
1148 /* PCI Internal */
fde7d5bd
TS		 1149#ifdef TARGET_WORDS_BIGENDIAN
1150 s->regs[GT_PCI0_CMD] = 0x00000000;
fde7d5bd
TS		 1151#else
1152 s->regs[GT_PCI0_CMD] = 0x00010001;
fde7d5bd 1153#endif
30b6f3a8
TS		 1154 s->regs[GT_PCI0_TOR] = 0x0000070f;
1155 s->regs[GT_PCI0_BS_SCS10] = 0x00fff000;
1156 s->regs[GT_PCI0_BS_SCS32] = 0x00fff000;
1157 s->regs[GT_PCI0_BS_CS20] = 0x01fff000;
1158 s->regs[GT_PCI0_BS_CS3BT] = 0x00fff000;
fde7d5bd 1159 s->regs[GT_PCI1_IACK] = 0x00000000;
30b6f3a8
TS		 1160 s->regs[GT_PCI0_IACK] = 0x00000000;
1161 s->regs[GT_PCI0_BARE] = 0x0000000f;
1162 s->regs[GT_PCI0_PREFMBR] = 0x00000040;
1163 s->regs[GT_PCI0_SCS10_BAR] = 0x00000000;
1164 s->regs[GT_PCI0_SCS32_BAR] = 0x01000000;
1165 s->regs[GT_PCI0_CS20_BAR] = 0x1c000000;
1166 s->regs[GT_PCI0_CS3BT_BAR] = 0x1f000000;
1167 s->regs[GT_PCI0_SSCS10_BAR] = 0x00000000;
1168 s->regs[GT_PCI0_SSCS32_BAR] = 0x01000000;
1169 s->regs[GT_PCI0_SCS3BT_BAR] = 0x1f000000;
1170#ifdef TARGET_WORDS_BIGENDIAN
1171 s->regs[GT_PCI1_CMD] = 0x00000000;
1172#else
1173 s->regs[GT_PCI1_CMD] = 0x00010001;
1174#endif
1175 s->regs[GT_PCI1_TOR] = 0x0000070f;
1176 s->regs[GT_PCI1_BS_SCS10] = 0x00fff000;
1177 s->regs[GT_PCI1_BS_SCS32] = 0x00fff000;
1178 s->regs[GT_PCI1_BS_CS20] = 0x01fff000;
1179 s->regs[GT_PCI1_BS_CS3BT] = 0x00fff000;
1180 s->regs[GT_PCI1_BARE] = 0x0000000f;
1181 s->regs[GT_PCI1_PREFMBR] = 0x00000040;
1182 s->regs[GT_PCI1_SCS10_BAR] = 0x00000000;
1183 s->regs[GT_PCI1_SCS32_BAR] = 0x01000000;
1184 s->regs[GT_PCI1_CS20_BAR] = 0x1c000000;
1185 s->regs[GT_PCI1_CS3BT_BAR] = 0x1f000000;
1186 s->regs[GT_PCI1_SSCS10_BAR] = 0x00000000;
1187 s->regs[GT_PCI1_SSCS32_BAR] = 0x01000000;
1188 s->regs[GT_PCI1_SCS3BT_BAR] = 0x1f000000;
1189 s->regs[GT_PCI1_CFGADDR] = 0x00000000;
1190 s->regs[GT_PCI1_CFGDATA] = 0x00000000;
1191 s->regs[GT_PCI0_CFGADDR] = 0x00000000;
30b6f3a8
TS		 1192
1193 /* Interrupt registers are all zeroed at reset */
fde7d5bd 1194
a0a8793e 1195 gt64120_isd_mapping(s);
9414cc6f 1196 gt64120_pci_mapping(s);
fde7d5bd
TS		 1197}
1198
26029067
PMD		 1199static void gt64120_realize(DeviceState *dev, Error **errp)
1200{
1201 GT64120State *s = GT64120_PCI_HOST_BRIDGE(dev);
1202
1203 memory_region_init_io(&s->ISD_mem, OBJECT(dev), &isd_mem_ops, s,
1204 "gt64120-isd", 0x1000);
1205}
1206
c2dd2a23
AJ		 1207PCIBus *gt64120_register(qemu_irq *pic)
1208{
c2dd2a23 1209 GT64120State *d;
8d43d7e5 1210 PCIHostState *phb;
c2dd2a23
AJ		 1211 DeviceState *dev;
1212
3e80f690 1213 dev = qdev_new(TYPE_GT64120_PCI_HOST_BRIDGE);
8d43d7e5 1214 d = GT64120_PCI_HOST_BRIDGE(dev);
8558d942 1215 phb = PCI_HOST_BRIDGE(dev);
8110b2bf 1216 memory_region_init(&d->pci0_mem, OBJECT(dev), "pci0-mem", 4 * GiB);
f720f203 1217 address_space_init(&d->pci0_mem_as, &d->pci0_mem, "pci0-mem");
1115ff6d
DG		 1218 phb->bus = pci_register_root_bus(dev, "pci",
1219 gt64120_pci_set_irq, gt64120_pci_map_irq,
1220 pic,
1221 &d->pci0_mem,
1222 get_system_io(),
1223 PCI_DEVFN(18, 0), 4, TYPE_PCI_BUS);
3c6ef471 1224 sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
c2dd2a23 1225
8d43d7e5
AF		 1226 pci_create_simple(phb->bus, PCI_DEVFN(0, 0), "gt64120_pci");
1227 return phb->bus;
c2dd2a23
AJ		 1228}
1229
b429d363 1230static void gt64120_pci_realize(PCIDevice *d, Error **errp)
c2dd2a23 1231{
0f78cf0c 1232 /* FIXME: Malta specific hw assumptions ahead */
c2dd2a23
AJ		 1233 pci_set_word(d->config + PCI_COMMAND, 0);
1234 pci_set_word(d->config + PCI_STATUS,
1235 PCI_STATUS_FAST_BACK | PCI_STATUS_DEVSEL_MEDIUM);
c2dd2a23 1236 pci_config_set_prog_interface(d->config, 0);
c2dd2a23
AJ		 1237 pci_set_long(d->config + PCI_BASE_ADDRESS_0, 0x00000008);
1238 pci_set_long(d->config + PCI_BASE_ADDRESS_1, 0x01000008);
1239 pci_set_long(d->config + PCI_BASE_ADDRESS_2, 0x1c000000);
1240 pci_set_long(d->config + PCI_BASE_ADDRESS_3, 0x1f000000);
1241 pci_set_long(d->config + PCI_BASE_ADDRESS_4, 0x14000000);
1242 pci_set_long(d->config + PCI_BASE_ADDRESS_5, 0x14000001);
1243 pci_set_byte(d->config + 0x3d, 0x01);
c2dd2a23 1244}
a0a8793e 1245
40021f08
AL		 1246static void gt64120_pci_class_init(ObjectClass *klass, void *data)
1247{
1248 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
08c58f92 1249 DeviceClass *dc = DEVICE_CLASS(klass);
40021f08 1250
b429d363 1251 k->realize = gt64120_pci_realize;
40021f08
AL		 1252 k->vendor_id = PCI_VENDOR_ID_MARVELL;
1253 k->device_id = PCI_DEVICE_ID_MARVELL_GT6412X;
1254 k->revision = 0x10;
1255 k->class_id = PCI_CLASS_BRIDGE_HOST;
08c58f92
MA		 1256 /*
1257 * PCI-facing part of the host bridge, not usable without the
1258 * host-facing part, which can't be device_add'ed, yet.
1259 */
e90f2a8c 1260 dc->user_creatable = false;
40021f08
AL		 1261}
1262
4240abff 1263static const TypeInfo gt64120_pci_info = {
39bffca2
AL		 1264 .name = "gt64120_pci",
1265 .parent = TYPE_PCI_DEVICE,
1266 .instance_size = sizeof(PCIDevice),
1267 .class_init = gt64120_pci_class_init,
fd3b02c8
EH		 1268 .interfaces = (InterfaceInfo[]) {
1269 { INTERFACE_CONVENTIONAL_PCI_DEVICE },
1270 { },
1271 },
c2dd2a23 1272};
1823082c 1273
999e12bb
AL		 1274static void gt64120_class_init(ObjectClass *klass, void *data)
1275{
427e1750 1276 DeviceClass *dc = DEVICE_CLASS(klass);
999e12bb 1277
d1268699 1278 set_bit(DEVICE_CATEGORY_BRIDGE, dc->categories);
26029067 1279 dc->realize = gt64120_realize;
43fd7bbf 1280 dc->reset = gt64120_reset;
427e1750 1281 dc->vmsd = &vmstate_gt64120;
999e12bb
AL		 1282}
1283
4240abff 1284static const TypeInfo gt64120_info = {
8d43d7e5 1285 .name = TYPE_GT64120_PCI_HOST_BRIDGE,
8558d942 1286 .parent = TYPE_PCI_HOST_BRIDGE,
39bffca2
AL		 1287 .instance_size = sizeof(GT64120State),
1288 .class_init = gt64120_class_init,
999e12bb
AL		 1289};
1290
83f7d43a 1291static void gt64120_pci_register_types(void)
c2dd2a23 1292{
39bffca2
AL		 1293 type_register_static(&gt64120_info);
1294 type_register_static(&gt64120_pci_info);
fde7d5bd 1295}
c2dd2a23 1296
83f7d43a 1297type_init(gt64120_pci_register_types)
Mirror of https://git.qemu.org/git/qemu.git