2
* QEMU GT64120 PCI host
4
* Copyright (c) 2006,2007 Aurelien Jarno
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:
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* The above copyright notice and this permission notice shall be included in
14
* all copies or substantial portions of the Software.
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
34
#define DPRINTF(fmt, ...) fprintf(stderr, "%s: " fmt, __FUNCTION__, ##__VA_ARGS__)
36
#define DPRINTF(fmt, ...)
39
#define GT_REGS (0x1000 >> 2)
41
/* CPU Configuration */
42
#define GT_CPU (0x000 >> 2)
43
#define GT_MULTI (0x120 >> 2)
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)
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)
68
#define GT_SCS10AR (0x0d0 >> 2)
69
#define GT_SCS32AR (0x0d8 >> 2)
70
#define GT_CS20R (0x0e0 >> 2)
71
#define GT_CS3BOOTR (0x0e8 >> 2)
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)
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 */
87
/* CPU Sync Barrier */
88
#define GT_PCI0SYNC (0x0c0 >> 2)
89
#define GT_PCI1SYNC (0x0c8 >> 2)
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)
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)
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)
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)
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 */
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)
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)
167
#define GT_DMA_ARB (0x860 >> 2)
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)
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)
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)
226
#define PCI_MAPPING_ENTRY(regname) \
227
target_phys_addr_t regname ##_start; \
228
target_phys_addr_t regname ##_length; \
229
int regname ##_handle
231
typedef struct GT64120State {
234
uint32_t regs[GT_REGS];
235
PCI_MAPPING_ENTRY(PCI0IO);
236
PCI_MAPPING_ENTRY(ISD);
239
/* Adjust range to avoid touching space which isn't mappable via PCI */
240
/* XXX: Hardcoded values for Malta: 0x1e000000 - 0x1f100000
241
0x1fc00000 - 0x1fd00000 */
242
static void check_reserved_space (target_phys_addr_t *start,
243
target_phys_addr_t *length)
245
target_phys_addr_t begin = *start;
246
target_phys_addr_t end = *start + *length;
248
if (end >= 0x1e000000LL && end < 0x1f100000LL)
250
if (begin >= 0x1e000000LL && begin < 0x1f100000LL)
251
begin = 0x1f100000LL;
252
if (end >= 0x1fc00000LL && end < 0x1fd00000LL)
254
if (begin >= 0x1fc00000LL && begin < 0x1fd00000LL)
255
begin = 0x1fd00000LL;
256
/* XXX: This is broken when a reserved range splits the requested range */
257
if (end >= 0x1f100000LL && begin < 0x1e000000LL)
259
if (end >= 0x1fd00000LL && begin < 0x1fc00000LL)
263
*length = end - begin;
266
static void gt64120_isd_mapping(GT64120State *s)
268
target_phys_addr_t start = s->regs[GT_ISD] << 21;
269
target_phys_addr_t length = 0x1000;
272
cpu_register_physical_memory(s->ISD_start, s->ISD_length,
274
check_reserved_space(&start, &length);
276
/* Map new address */
277
DPRINTF("ISD: "TARGET_FMT_plx"@"TARGET_FMT_plx" -> "TARGET_FMT_plx"@"TARGET_FMT_plx", %x\n", s->ISD_length, s->ISD_start,
278
length, start, s->ISD_handle);
279
s->ISD_start = start;
280
s->ISD_length = length;
281
cpu_register_physical_memory(s->ISD_start, s->ISD_length, s->ISD_handle);
284
static void gt64120_pci_mapping(GT64120State *s)
286
/* Update IO mapping */
287
if ((s->regs[GT_PCI0IOLD] & 0x7f) <= s->regs[GT_PCI0IOHD])
289
/* Unmap old IO address */
290
if (s->PCI0IO_length)
292
cpu_register_physical_memory(s->PCI0IO_start, s->PCI0IO_length, IO_MEM_UNASSIGNED);
294
/* Map new IO address */
295
s->PCI0IO_start = s->regs[GT_PCI0IOLD] << 21;
296
s->PCI0IO_length = ((s->regs[GT_PCI0IOHD] + 1) - (s->regs[GT_PCI0IOLD] & 0x7f)) << 21;
297
isa_mem_base = s->PCI0IO_start;
298
isa_mmio_init(s->PCI0IO_start, s->PCI0IO_length);
302
static void gt64120_writel (void *opaque, target_phys_addr_t addr,
305
GT64120State *s = opaque;
308
if (!(s->regs[GT_CPU] & 0x00001000))
311
saddr = (addr & 0xfff) >> 2;
314
/* CPU Configuration */
316
s->regs[GT_CPU] = val;
319
/* Read-only register as only one GT64xxx is present on the CPU bus */
322
/* CPU Address Decode */
324
s->regs[GT_PCI0IOLD] = val & 0x00007fff;
325
s->regs[GT_PCI0IOREMAP] = val & 0x000007ff;
326
gt64120_pci_mapping(s);
329
s->regs[GT_PCI0M0LD] = val & 0x00007fff;
330
s->regs[GT_PCI0M0REMAP] = val & 0x000007ff;
333
s->regs[GT_PCI0M1LD] = val & 0x00007fff;
334
s->regs[GT_PCI0M1REMAP] = val & 0x000007ff;
337
s->regs[GT_PCI1IOLD] = val & 0x00007fff;
338
s->regs[GT_PCI1IOREMAP] = val & 0x000007ff;
341
s->regs[GT_PCI1M0LD] = val & 0x00007fff;
342
s->regs[GT_PCI1M0REMAP] = val & 0x000007ff;
345
s->regs[GT_PCI1M1LD] = val & 0x00007fff;
346
s->regs[GT_PCI1M1REMAP] = val & 0x000007ff;
349
s->regs[saddr] = val & 0x0000007f;
350
gt64120_pci_mapping(s);
357
s->regs[saddr] = val & 0x0000007f;
360
s->regs[saddr] = val & 0x00007fff;
361
gt64120_isd_mapping(s);
370
s->regs[saddr] = val & 0x000007ff;
373
/* CPU Error Report */
374
case GT_CPUERR_ADDRLO:
375
case GT_CPUERR_ADDRHI:
376
case GT_CPUERR_DATALO:
377
case GT_CPUERR_DATAHI:
378
case GT_CPUERR_PARITY:
379
/* Read-only registers, do nothing */
382
/* CPU Sync Barrier */
385
/* Read-only registers, do nothing */
388
/* SDRAM and Device Address Decode */
408
/* SDRAM Configuration */
410
case GT_SDRAM_OPMODE:
412
case GT_SDRAM_ADDRDECODE:
413
/* Accept and ignore SDRAM interleave configuration */
414
s->regs[saddr] = val;
417
/* Device Parameters */
423
/* Not implemented */
424
DPRINTF ("Unimplemented device register offset 0x%x\n", saddr << 2);
428
case GT_ECC_ERRDATALO:
429
case GT_ECC_ERRDATAHI:
433
/* Read-only registers, do nothing */
457
/* Not implemented */
458
DPRINTF ("Unimplemented DMA register offset 0x%x\n", saddr << 2);
461
/* DMA Channel Control */
466
/* Not implemented */
467
DPRINTF ("Unimplemented DMA register offset 0x%x\n", saddr << 2);
472
/* Not implemented */
473
DPRINTF ("Unimplemented DMA register offset 0x%x\n", saddr << 2);
482
/* Not implemented */
483
DPRINTF ("Unimplemented timer register offset 0x%x\n", saddr << 2);
489
s->regs[saddr] = val & 0x0401fc0f;
492
case GT_PCI0_BS_SCS10:
493
case GT_PCI0_BS_SCS32:
494
case GT_PCI0_BS_CS20:
495
case GT_PCI0_BS_CS3BT:
499
case GT_PCI0_PREFMBR:
500
case GT_PCI0_SCS10_BAR:
501
case GT_PCI0_SCS32_BAR:
502
case GT_PCI0_CS20_BAR:
503
case GT_PCI0_CS3BT_BAR:
504
case GT_PCI0_SSCS10_BAR:
505
case GT_PCI0_SSCS32_BAR:
506
case GT_PCI0_SCS3BT_BAR:
508
case GT_PCI1_BS_SCS10:
509
case GT_PCI1_BS_SCS32:
510
case GT_PCI1_BS_CS20:
511
case GT_PCI1_BS_CS3BT:
513
case GT_PCI1_PREFMBR:
514
case GT_PCI1_SCS10_BAR:
515
case GT_PCI1_SCS32_BAR:
516
case GT_PCI1_CS20_BAR:
517
case GT_PCI1_CS3BT_BAR:
518
case GT_PCI1_SSCS10_BAR:
519
case GT_PCI1_SSCS32_BAR:
520
case GT_PCI1_SCS3BT_BAR:
521
case GT_PCI1_CFGADDR:
522
case GT_PCI1_CFGDATA:
523
/* not implemented */
525
case GT_PCI0_CFGADDR:
526
s->pci.config_reg = val & 0x80fffffc;
528
case GT_PCI0_CFGDATA:
529
if (!(s->regs[GT_PCI0_CMD] & 1) && (s->pci.config_reg & 0x00fff800))
531
if (s->pci.config_reg & (1u << 31))
532
pci_data_write(s->pci.bus, s->pci.config_reg, val, 4);
537
/* not really implemented */
538
s->regs[saddr] = ~(~(s->regs[saddr]) | ~(val & 0xfffffffe));
539
s->regs[saddr] |= !!(s->regs[saddr] & 0xfffffffe);
540
DPRINTF("INTRCAUSE %x\n", val);
543
s->regs[saddr] = val & 0x3c3ffffe;
544
DPRINTF("INTRMASK %x\n", val);
547
s->regs[saddr] = val & 0x03fffffe;
548
DPRINTF("ICMASK %x\n", val);
550
case GT_PCI0_SERR0MASK:
551
s->regs[saddr] = val & 0x0000003f;
552
DPRINTF("SERR0MASK %x\n", val);
555
/* Reserved when only PCI_0 is configured. */
560
case GT_PCI0_HICMASK:
561
case GT_PCI1_SERR1MASK:
562
/* not implemented */
565
/* SDRAM Parameters */
570
/* We don't simulate electrical parameters of the SDRAM.
571
Accept, but ignore the values. */
572
s->regs[saddr] = val;
576
DPRINTF ("Bad register offset 0x%x\n", (int)addr);
581
static uint32_t gt64120_readl (void *opaque,
582
target_phys_addr_t addr)
584
GT64120State *s = opaque;
588
saddr = (addr & 0xfff) >> 2;
591
/* CPU Configuration */
593
/* Only one GT64xxx is present on the CPU bus, return
595
val = s->regs[saddr];
598
/* CPU Error Report */
599
case GT_CPUERR_ADDRLO:
600
case GT_CPUERR_ADDRHI:
601
case GT_CPUERR_DATALO:
602
case GT_CPUERR_DATAHI:
603
case GT_CPUERR_PARITY:
604
/* Emulated memory has no error, always return the initial
606
val = s->regs[saddr];
609
/* CPU Sync Barrier */
612
/* Reading those register should empty all FIFO on the PCI
613
bus, which are not emulated. The return value should be
614
a random value that should be ignored. */
619
case GT_ECC_ERRDATALO:
620
case GT_ECC_ERRDATAHI:
624
/* Emulated memory has no error, always return the initial
626
val = s->regs[saddr];
661
val = s->regs[saddr];
664
/* Read the IRQ number */
665
val = pic_read_irq(isa_pic);
668
/* SDRAM and Device Address Decode */
688
val = s->regs[saddr];
691
/* SDRAM Configuration */
693
case GT_SDRAM_OPMODE:
695
case GT_SDRAM_ADDRDECODE:
696
val = s->regs[saddr];
699
/* SDRAM Parameters */
704
/* We don't simulate electrical parameters of the SDRAM.
705
Just return the last written value. */
706
val = s->regs[saddr];
709
/* Device Parameters */
715
val = s->regs[saddr];
739
val = s->regs[saddr];
742
/* DMA Channel Control */
747
val = s->regs[saddr];
752
val = s->regs[saddr];
761
val = s->regs[saddr];
765
case GT_PCI0_CFGADDR:
766
val = s->pci.config_reg;
768
case GT_PCI0_CFGDATA:
769
if (!(s->pci.config_reg & (1 << 31)))
772
val = pci_data_read(s->pci.bus, s->pci.config_reg, 4);
773
if (!(s->regs[GT_PCI0_CMD] & 1) && (s->pci.config_reg & 0x00fff800))
779
case GT_PCI0_BS_SCS10:
780
case GT_PCI0_BS_SCS32:
781
case GT_PCI0_BS_CS20:
782
case GT_PCI0_BS_CS3BT:
785
case GT_PCI0_PREFMBR:
786
case GT_PCI0_SCS10_BAR:
787
case GT_PCI0_SCS32_BAR:
788
case GT_PCI0_CS20_BAR:
789
case GT_PCI0_CS3BT_BAR:
790
case GT_PCI0_SSCS10_BAR:
791
case GT_PCI0_SSCS32_BAR:
792
case GT_PCI0_SCS3BT_BAR:
795
case GT_PCI1_BS_SCS10:
796
case GT_PCI1_BS_SCS32:
797
case GT_PCI1_BS_CS20:
798
case GT_PCI1_BS_CS3BT:
800
case GT_PCI1_PREFMBR:
801
case GT_PCI1_SCS10_BAR:
802
case GT_PCI1_SCS32_BAR:
803
case GT_PCI1_CS20_BAR:
804
case GT_PCI1_CS3BT_BAR:
805
case GT_PCI1_SSCS10_BAR:
806
case GT_PCI1_SSCS32_BAR:
807
case GT_PCI1_SCS3BT_BAR:
808
case GT_PCI1_CFGADDR:
809
case GT_PCI1_CFGDATA:
810
val = s->regs[saddr];
815
val = s->regs[saddr];
816
DPRINTF("INTRCAUSE %x\n", val);
819
val = s->regs[saddr];
820
DPRINTF("INTRMASK %x\n", val);
823
val = s->regs[saddr];
824
DPRINTF("ICMASK %x\n", val);
826
case GT_PCI0_SERR0MASK:
827
val = s->regs[saddr];
828
DPRINTF("SERR0MASK %x\n", val);
831
/* Reserved when only PCI_0 is configured. */
836
case GT_PCI0_HICMASK:
837
case GT_PCI1_SERR1MASK:
838
val = s->regs[saddr];
842
val = s->regs[saddr];
843
DPRINTF ("Bad register offset 0x%x\n", (int)addr);
847
if (!(s->regs[GT_CPU] & 0x00001000))
853
static CPUWriteMemoryFunc * const gt64120_write[] = {
859
static CPUReadMemoryFunc * const gt64120_read[] = {
865
static int gt64120_pci_map_irq(PCIDevice *pci_dev, int irq_num)
869
slot = (pci_dev->devfn >> 3);
875
/* AMD 79C973 Ethernet */
878
/* Crystal 4281 Sound */
881
/* PCI slot 1 to 4 */
883
return ((slot - 18) + irq_num) & 0x03;
884
/* Unknown device, don't do any translation */
890
static int pci_irq_levels[4];
892
static void gt64120_pci_set_irq(void *opaque, int irq_num, int level)
894
int i, pic_irq, pic_level;
895
qemu_irq *pic = opaque;
897
pci_irq_levels[irq_num] = level;
899
/* now we change the pic irq level according to the piix irq mappings */
901
pic_irq = piix4_dev->config[0x60 + irq_num];
903
/* The pic level is the logical OR of all the PCI irqs mapped
906
for (i = 0; i < 4; i++) {
907
if (pic_irq == piix4_dev->config[0x60 + i])
908
pic_level |= pci_irq_levels[i];
910
qemu_set_irq(pic[pic_irq], pic_level);
915
static void gt64120_reset(void *opaque)
917
GT64120State *s = opaque;
919
/* FIXME: Malta specific hw assumptions ahead */
921
/* CPU Configuration */
922
#ifdef TARGET_WORDS_BIGENDIAN
923
s->regs[GT_CPU] = 0x00000000;
925
s->regs[GT_CPU] = 0x00001000;
927
s->regs[GT_MULTI] = 0x00000003;
929
/* CPU Address decode */
930
s->regs[GT_SCS10LD] = 0x00000000;
931
s->regs[GT_SCS10HD] = 0x00000007;
932
s->regs[GT_SCS32LD] = 0x00000008;
933
s->regs[GT_SCS32HD] = 0x0000000f;
934
s->regs[GT_CS20LD] = 0x000000e0;
935
s->regs[GT_CS20HD] = 0x00000070;
936
s->regs[GT_CS3BOOTLD] = 0x000000f8;
937
s->regs[GT_CS3BOOTHD] = 0x0000007f;
939
s->regs[GT_PCI0IOLD] = 0x00000080;
940
s->regs[GT_PCI0IOHD] = 0x0000000f;
941
s->regs[GT_PCI0M0LD] = 0x00000090;
942
s->regs[GT_PCI0M0HD] = 0x0000001f;
943
s->regs[GT_ISD] = 0x000000a0;
944
s->regs[GT_PCI0M1LD] = 0x00000790;
945
s->regs[GT_PCI0M1HD] = 0x0000001f;
946
s->regs[GT_PCI1IOLD] = 0x00000100;
947
s->regs[GT_PCI1IOHD] = 0x0000000f;
948
s->regs[GT_PCI1M0LD] = 0x00000110;
949
s->regs[GT_PCI1M0HD] = 0x0000001f;
950
s->regs[GT_PCI1M1LD] = 0x00000120;
951
s->regs[GT_PCI1M1HD] = 0x0000002f;
953
s->regs[GT_SCS10AR] = 0x00000000;
954
s->regs[GT_SCS32AR] = 0x00000008;
955
s->regs[GT_CS20R] = 0x000000e0;
956
s->regs[GT_CS3BOOTR] = 0x000000f8;
958
s->regs[GT_PCI0IOREMAP] = 0x00000080;
959
s->regs[GT_PCI0M0REMAP] = 0x00000090;
960
s->regs[GT_PCI0M1REMAP] = 0x00000790;
961
s->regs[GT_PCI1IOREMAP] = 0x00000100;
962
s->regs[GT_PCI1M0REMAP] = 0x00000110;
963
s->regs[GT_PCI1M1REMAP] = 0x00000120;
965
/* CPU Error Report */
966
s->regs[GT_CPUERR_ADDRLO] = 0x00000000;
967
s->regs[GT_CPUERR_ADDRHI] = 0x00000000;
968
s->regs[GT_CPUERR_DATALO] = 0xffffffff;
969
s->regs[GT_CPUERR_DATAHI] = 0xffffffff;
970
s->regs[GT_CPUERR_PARITY] = 0x000000ff;
972
/* CPU Sync Barrier */
973
s->regs[GT_PCI0SYNC] = 0x00000000;
974
s->regs[GT_PCI1SYNC] = 0x00000000;
976
/* SDRAM and Device Address Decode */
977
s->regs[GT_SCS0LD] = 0x00000000;
978
s->regs[GT_SCS0HD] = 0x00000007;
979
s->regs[GT_SCS1LD] = 0x00000008;
980
s->regs[GT_SCS1HD] = 0x0000000f;
981
s->regs[GT_SCS2LD] = 0x00000010;
982
s->regs[GT_SCS2HD] = 0x00000017;
983
s->regs[GT_SCS3LD] = 0x00000018;
984
s->regs[GT_SCS3HD] = 0x0000001f;
985
s->regs[GT_CS0LD] = 0x000000c0;
986
s->regs[GT_CS0HD] = 0x000000c7;
987
s->regs[GT_CS1LD] = 0x000000c8;
988
s->regs[GT_CS1HD] = 0x000000cf;
989
s->regs[GT_CS2LD] = 0x000000d0;
990
s->regs[GT_CS2HD] = 0x000000df;
991
s->regs[GT_CS3LD] = 0x000000f0;
992
s->regs[GT_CS3HD] = 0x000000fb;
993
s->regs[GT_BOOTLD] = 0x000000fc;
994
s->regs[GT_BOOTHD] = 0x000000ff;
995
s->regs[GT_ADERR] = 0xffffffff;
997
/* SDRAM Configuration */
998
s->regs[GT_SDRAM_CFG] = 0x00000200;
999
s->regs[GT_SDRAM_OPMODE] = 0x00000000;
1000
s->regs[GT_SDRAM_BM] = 0x00000007;
1001
s->regs[GT_SDRAM_ADDRDECODE] = 0x00000002;
1003
/* SDRAM Parameters */
1004
s->regs[GT_SDRAM_B0] = 0x00000005;
1005
s->regs[GT_SDRAM_B1] = 0x00000005;
1006
s->regs[GT_SDRAM_B2] = 0x00000005;
1007
s->regs[GT_SDRAM_B3] = 0x00000005;
1010
s->regs[GT_ECC_ERRDATALO] = 0x00000000;
1011
s->regs[GT_ECC_ERRDATAHI] = 0x00000000;
1012
s->regs[GT_ECC_MEM] = 0x00000000;
1013
s->regs[GT_ECC_CALC] = 0x00000000;
1014
s->regs[GT_ECC_ERRADDR] = 0x00000000;
1016
/* Device Parameters */
1017
s->regs[GT_DEV_B0] = 0x386fffff;
1018
s->regs[GT_DEV_B1] = 0x386fffff;
1019
s->regs[GT_DEV_B2] = 0x386fffff;
1020
s->regs[GT_DEV_B3] = 0x386fffff;
1021
s->regs[GT_DEV_BOOT] = 0x146fffff;
1023
/* DMA registers are all zeroed at reset */
1026
s->regs[GT_TC0] = 0xffffffff;
1027
s->regs[GT_TC1] = 0x00ffffff;
1028
s->regs[GT_TC2] = 0x00ffffff;
1029
s->regs[GT_TC3] = 0x00ffffff;
1030
s->regs[GT_TC_CONTROL] = 0x00000000;
1033
#ifdef TARGET_WORDS_BIGENDIAN
1034
s->regs[GT_PCI0_CMD] = 0x00000000;
1036
s->regs[GT_PCI0_CMD] = 0x00010001;
1038
s->regs[GT_PCI0_TOR] = 0x0000070f;
1039
s->regs[GT_PCI0_BS_SCS10] = 0x00fff000;
1040
s->regs[GT_PCI0_BS_SCS32] = 0x00fff000;
1041
s->regs[GT_PCI0_BS_CS20] = 0x01fff000;
1042
s->regs[GT_PCI0_BS_CS3BT] = 0x00fff000;
1043
s->regs[GT_PCI1_IACK] = 0x00000000;
1044
s->regs[GT_PCI0_IACK] = 0x00000000;
1045
s->regs[GT_PCI0_BARE] = 0x0000000f;
1046
s->regs[GT_PCI0_PREFMBR] = 0x00000040;
1047
s->regs[GT_PCI0_SCS10_BAR] = 0x00000000;
1048
s->regs[GT_PCI0_SCS32_BAR] = 0x01000000;
1049
s->regs[GT_PCI0_CS20_BAR] = 0x1c000000;
1050
s->regs[GT_PCI0_CS3BT_BAR] = 0x1f000000;
1051
s->regs[GT_PCI0_SSCS10_BAR] = 0x00000000;
1052
s->regs[GT_PCI0_SSCS32_BAR] = 0x01000000;
1053
s->regs[GT_PCI0_SCS3BT_BAR] = 0x1f000000;
1054
#ifdef TARGET_WORDS_BIGENDIAN
1055
s->regs[GT_PCI1_CMD] = 0x00000000;
1057
s->regs[GT_PCI1_CMD] = 0x00010001;
1059
s->regs[GT_PCI1_TOR] = 0x0000070f;
1060
s->regs[GT_PCI1_BS_SCS10] = 0x00fff000;
1061
s->regs[GT_PCI1_BS_SCS32] = 0x00fff000;
1062
s->regs[GT_PCI1_BS_CS20] = 0x01fff000;
1063
s->regs[GT_PCI1_BS_CS3BT] = 0x00fff000;
1064
s->regs[GT_PCI1_BARE] = 0x0000000f;
1065
s->regs[GT_PCI1_PREFMBR] = 0x00000040;
1066
s->regs[GT_PCI1_SCS10_BAR] = 0x00000000;
1067
s->regs[GT_PCI1_SCS32_BAR] = 0x01000000;
1068
s->regs[GT_PCI1_CS20_BAR] = 0x1c000000;
1069
s->regs[GT_PCI1_CS3BT_BAR] = 0x1f000000;
1070
s->regs[GT_PCI1_SSCS10_BAR] = 0x00000000;
1071
s->regs[GT_PCI1_SSCS32_BAR] = 0x01000000;
1072
s->regs[GT_PCI1_SCS3BT_BAR] = 0x1f000000;
1073
s->regs[GT_PCI1_CFGADDR] = 0x00000000;
1074
s->regs[GT_PCI1_CFGDATA] = 0x00000000;
1075
s->regs[GT_PCI0_CFGADDR] = 0x00000000;
1077
/* Interrupt registers are all zeroed at reset */
1079
gt64120_isd_mapping(s);
1080
gt64120_pci_mapping(s);
1083
PCIBus *gt64120_register(qemu_irq *pic)
1089
dev = qdev_create(NULL, "gt64120");
1090
qdev_init_nofail(dev);
1091
s = sysbus_from_qdev(dev);
1092
d = FROM_SYSBUS(GT64120State, s);
1093
d->pci.bus = pci_register_bus(&d->busdev.qdev, "pci",
1094
gt64120_pci_set_irq, gt64120_pci_map_irq,
1095
pic, PCI_DEVFN(18, 0), 4);
1096
d->ISD_handle = cpu_register_io_memory(gt64120_read, gt64120_write, d,
1097
DEVICE_NATIVE_ENDIAN);
1099
pci_create_simple(d->pci.bus, PCI_DEVFN(0, 0), "gt64120_pci");
1103
static int gt64120_init(SysBusDevice *dev)
1107
s = FROM_SYSBUS(GT64120State, dev);
1109
/* FIXME: This value is computed from registers during reset, but some
1110
devices (e.g. VGA card) need to know it when they are registered.
1111
This also mean that changing the register to change the mapping
1112
does not fully work. */
1113
isa_mem_base = 0x10000000;
1114
qemu_register_reset(gt64120_reset, s);
1118
static int gt64120_pci_init(PCIDevice *d)
1120
/* FIXME: Malta specific hw assumptions ahead */
1121
pci_set_word(d->config + PCI_COMMAND, 0);
1122
pci_set_word(d->config + PCI_STATUS,
1123
PCI_STATUS_FAST_BACK | PCI_STATUS_DEVSEL_MEDIUM);
1124
pci_config_set_prog_interface(d->config, 0);
1125
pci_set_long(d->config + PCI_BASE_ADDRESS_0, 0x00000008);
1126
pci_set_long(d->config + PCI_BASE_ADDRESS_1, 0x01000008);
1127
pci_set_long(d->config + PCI_BASE_ADDRESS_2, 0x1c000000);
1128
pci_set_long(d->config + PCI_BASE_ADDRESS_3, 0x1f000000);
1129
pci_set_long(d->config + PCI_BASE_ADDRESS_4, 0x14000000);
1130
pci_set_long(d->config + PCI_BASE_ADDRESS_5, 0x14000001);
1131
pci_set_byte(d->config + 0x3d, 0x01);
1136
static PCIDeviceInfo gt64120_pci_info = {
1137
.qdev.name = "gt64120_pci",
1138
.qdev.size = sizeof(PCIDevice),
1139
.init = gt64120_pci_init,
1140
.vendor_id = PCI_VENDOR_ID_MARVELL,
1141
.device_id = PCI_DEVICE_ID_MARVELL_GT6412X,
1143
.class_id = PCI_CLASS_BRIDGE_HOST,
1146
static void gt64120_pci_register_devices(void)
1148
sysbus_register_dev("gt64120", sizeof(GT64120State),
1150
pci_qdev_register(>64120_pci_info);
1153
device_init(gt64120_pci_register_devices)