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Commit | Line | Data |
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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 | ||
a0a8793e | 226 | #define PCI_MAPPING_ENTRY(regname) \ |
c227f099 AL |
227 | target_phys_addr_t regname ##_start; \ |
228 | target_phys_addr_t regname ##_length; \ | |
a0a8793e TS |
229 | int regname ##_handle |
230 | ||
fde7d5bd | 231 | typedef struct GT64120State { |
c2dd2a23 AJ |
232 | SysBusDevice busdev; |
233 | PCIHostState pci; | |
fde7d5bd | 234 | uint32_t regs[GT_REGS]; |
a0a8793e TS |
235 | PCI_MAPPING_ENTRY(PCI0IO); |
236 | PCI_MAPPING_ENTRY(ISD); | |
fde7d5bd TS |
237 | } GT64120State; |
238 | ||
a0a8793e TS |
239 | /* Adjust range to avoid touching space which isn't mappable via PCI */ |
240 | /* XXX: Hardcoded values for Malta: 0x1e000000 - 0x1f100000 | |
241 | 0x1fc00000 - 0x1fd00000 */ | |
c227f099 AL |
242 | static void check_reserved_space (target_phys_addr_t *start, |
243 | target_phys_addr_t *length) | |
a0a8793e | 244 | { |
c227f099 AL |
245 | target_phys_addr_t begin = *start; |
246 | target_phys_addr_t end = *start + *length; | |
a0a8793e TS |
247 | |
248 | if (end >= 0x1e000000LL && end < 0x1f100000LL) | |
249 | end = 0x1e000000LL; | |
250 | if (begin >= 0x1e000000LL && begin < 0x1f100000LL) | |
251 | begin = 0x1f100000LL; | |
252 | if (end >= 0x1fc00000LL && end < 0x1fd00000LL) | |
253 | end = 0x1fc00000LL; | |
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) | |
258 | end = 0x1e000000LL; | |
259 | if (end >= 0x1fd00000LL && begin < 0x1fc00000LL) | |
260 | end = 0x1fc00000LL; | |
261 | ||
262 | *start = begin; | |
263 | *length = end - begin; | |
264 | } | |
265 | ||
266 | static void gt64120_isd_mapping(GT64120State *s) | |
267 | { | |
c227f099 AL |
268 | target_phys_addr_t start = s->regs[GT_ISD] << 21; |
269 | target_phys_addr_t length = 0x1000; | |
a0a8793e TS |
270 | |
271 | if (s->ISD_length) | |
272 | cpu_register_physical_memory(s->ISD_start, s->ISD_length, | |
273 | IO_MEM_UNASSIGNED); | |
274 | check_reserved_space(&start, &length); | |
275 | length = 0x1000; | |
276 | /* Map new address */ | |
82f24fcc | 277 | DPRINTF("ISD: "TARGET_FMT_plx"@"TARGET_FMT_plx" -> "TARGET_FMT_plx"@"TARGET_FMT_plx", %x\n", s->ISD_length, s->ISD_start, |
a0a8793e TS |
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); | |
282 | } | |
283 | ||
9414cc6f | 284 | static void gt64120_pci_mapping(GT64120State *s) |
2a1086d9 | 285 | { |
9414cc6f TS |
286 | /* Update IO mapping */ |
287 | if ((s->regs[GT_PCI0IOLD] & 0x7f) <= s->regs[GT_PCI0IOHD]) | |
288 | { | |
3b46e624 | 289 | /* Unmap old IO address */ |
9414cc6f TS |
290 | if (s->PCI0IO_length) |
291 | { | |
3b46e624 | 292 | cpu_register_physical_memory(s->PCI0IO_start, s->PCI0IO_length, IO_MEM_UNASSIGNED); |
9414cc6f TS |
293 | } |
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; | |
968d683c | 298 | isa_mmio_init(s->PCI0IO_start, s->PCI0IO_length); |
9414cc6f | 299 | } |
2a1086d9 TS |
300 | } |
301 | ||
c227f099 | 302 | static void gt64120_writel (void *opaque, target_phys_addr_t addr, |
fde7d5bd TS |
303 | uint32_t val) |
304 | { | |
305 | GT64120State *s = opaque; | |
306 | uint32_t saddr; | |
307 | ||
c6c99c3f | 308 | if (!(s->regs[GT_CPU] & 0x00001000)) |
1931e260 | 309 | val = bswap32(val); |
0da75eb1 | 310 | |
fde7d5bd TS |
311 | saddr = (addr & 0xfff) >> 2; |
312 | switch (saddr) { | |
0da75eb1 TS |
313 | |
314 | /* CPU Configuration */ | |
fde7d5bd TS |
315 | case GT_CPU: |
316 | s->regs[GT_CPU] = val; | |
fde7d5bd TS |
317 | break; |
318 | case GT_MULTI: | |
0da75eb1 | 319 | /* Read-only register as only one GT64xxx is present on the CPU bus */ |
fde7d5bd TS |
320 | break; |
321 | ||
322 | /* CPU Address Decode */ | |
323 | case GT_PCI0IOLD: | |
324 | s->regs[GT_PCI0IOLD] = val & 0x00007fff; | |
325 | s->regs[GT_PCI0IOREMAP] = val & 0x000007ff; | |
9414cc6f | 326 | gt64120_pci_mapping(s); |
fde7d5bd TS |
327 | break; |
328 | case GT_PCI0M0LD: | |
329 | s->regs[GT_PCI0M0LD] = val & 0x00007fff; | |
330 | s->regs[GT_PCI0M0REMAP] = val & 0x000007ff; | |
fde7d5bd TS |
331 | break; |
332 | case GT_PCI0M1LD: | |
333 | s->regs[GT_PCI0M1LD] = val & 0x00007fff; | |
334 | s->regs[GT_PCI0M1REMAP] = val & 0x000007ff; | |
fde7d5bd TS |
335 | break; |
336 | case GT_PCI1IOLD: | |
337 | s->regs[GT_PCI1IOLD] = val & 0x00007fff; | |
338 | s->regs[GT_PCI1IOREMAP] = val & 0x000007ff; | |
fde7d5bd TS |
339 | break; |
340 | case GT_PCI1M0LD: | |
341 | s->regs[GT_PCI1M0LD] = val & 0x00007fff; | |
342 | s->regs[GT_PCI1M0REMAP] = val & 0x000007ff; | |
fde7d5bd TS |
343 | break; |
344 | case GT_PCI1M1LD: | |
345 | s->regs[GT_PCI1M1LD] = val & 0x00007fff; | |
346 | s->regs[GT_PCI1M1REMAP] = val & 0x000007ff; | |
fde7d5bd TS |
347 | break; |
348 | case GT_PCI0IOHD: | |
bb433bef TS |
349 | s->regs[saddr] = val & 0x0000007f; |
350 | gt64120_pci_mapping(s); | |
351 | break; | |
fde7d5bd TS |
352 | case GT_PCI0M0HD: |
353 | case GT_PCI0M1HD: | |
354 | case GT_PCI1IOHD: | |
355 | case GT_PCI1M0HD: | |
356 | case GT_PCI1M1HD: | |
357 | s->regs[saddr] = val & 0x0000007f; | |
fde7d5bd | 358 | break; |
a0a8793e TS |
359 | case GT_ISD: |
360 | s->regs[saddr] = val & 0x00007fff; | |
361 | gt64120_isd_mapping(s); | |
362 | break; | |
363 | ||
fde7d5bd TS |
364 | case GT_PCI0IOREMAP: |
365 | case GT_PCI0M0REMAP: | |
366 | case GT_PCI0M1REMAP: | |
367 | case GT_PCI1IOREMAP: | |
368 | case GT_PCI1M0REMAP: | |
369 | case GT_PCI1M1REMAP: | |
370 | s->regs[saddr] = val & 0x000007ff; | |
fde7d5bd TS |
371 | break; |
372 | ||
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: | |
0da75eb1 TS |
379 | /* Read-only registers, do nothing */ |
380 | break; | |
381 | ||
382 | /* CPU Sync Barrier */ | |
383 | case GT_PCI0SYNC: | |
384 | case GT_PCI1SYNC: | |
385 | /* Read-only registers, do nothing */ | |
fde7d5bd TS |
386 | break; |
387 | ||
05b4ff43 TS |
388 | /* SDRAM and Device Address Decode */ |
389 | case GT_SCS0LD: | |
390 | case GT_SCS0HD: | |
391 | case GT_SCS1LD: | |
392 | case GT_SCS1HD: | |
393 | case GT_SCS2LD: | |
394 | case GT_SCS2HD: | |
395 | case GT_SCS3LD: | |
396 | case GT_SCS3HD: | |
397 | case GT_CS0LD: | |
398 | case GT_CS0HD: | |
399 | case GT_CS1LD: | |
400 | case GT_CS1HD: | |
401 | case GT_CS2LD: | |
402 | case GT_CS2HD: | |
403 | case GT_CS3LD: | |
404 | case GT_CS3HD: | |
405 | case GT_BOOTLD: | |
406 | case GT_BOOTHD: | |
407 | case GT_ADERR: | |
408 | /* SDRAM Configuration */ | |
409 | case GT_SDRAM_CFG: | |
410 | case GT_SDRAM_OPMODE: | |
411 | case GT_SDRAM_BM: | |
412 | case GT_SDRAM_ADDRDECODE: | |
413 | /* Accept and ignore SDRAM interleave configuration */ | |
414 | s->regs[saddr] = val; | |
415 | break; | |
416 | ||
417 | /* Device Parameters */ | |
418 | case GT_DEV_B0: | |
419 | case GT_DEV_B1: | |
420 | case GT_DEV_B2: | |
421 | case GT_DEV_B3: | |
422 | case GT_DEV_BOOT: | |
423 | /* Not implemented */ | |
d0f2c4c6 | 424 | DPRINTF ("Unimplemented device register offset 0x%x\n", saddr << 2); |
05b4ff43 TS |
425 | break; |
426 | ||
fde7d5bd TS |
427 | /* ECC */ |
428 | case GT_ECC_ERRDATALO: | |
429 | case GT_ECC_ERRDATAHI: | |
430 | case GT_ECC_MEM: | |
431 | case GT_ECC_CALC: | |
432 | case GT_ECC_ERRADDR: | |
0da75eb1 | 433 | /* Read-only registers, do nothing */ |
fde7d5bd TS |
434 | break; |
435 | ||
05b4ff43 TS |
436 | /* DMA Record */ |
437 | case GT_DMA0_CNT: | |
438 | case GT_DMA1_CNT: | |
439 | case GT_DMA2_CNT: | |
440 | case GT_DMA3_CNT: | |
441 | case GT_DMA0_SA: | |
442 | case GT_DMA1_SA: | |
443 | case GT_DMA2_SA: | |
444 | case GT_DMA3_SA: | |
445 | case GT_DMA0_DA: | |
446 | case GT_DMA1_DA: | |
447 | case GT_DMA2_DA: | |
448 | case GT_DMA3_DA: | |
449 | case GT_DMA0_NEXT: | |
450 | case GT_DMA1_NEXT: | |
451 | case GT_DMA2_NEXT: | |
452 | case GT_DMA3_NEXT: | |
453 | case GT_DMA0_CUR: | |
454 | case GT_DMA1_CUR: | |
455 | case GT_DMA2_CUR: | |
456 | case GT_DMA3_CUR: | |
457 | /* Not implemented */ | |
d0f2c4c6 | 458 | DPRINTF ("Unimplemented DMA register offset 0x%x\n", saddr << 2); |
05b4ff43 TS |
459 | break; |
460 | ||
461 | /* DMA Channel Control */ | |
462 | case GT_DMA0_CTRL: | |
463 | case GT_DMA1_CTRL: | |
464 | case GT_DMA2_CTRL: | |
465 | case GT_DMA3_CTRL: | |
466 | /* Not implemented */ | |
d0f2c4c6 | 467 | DPRINTF ("Unimplemented DMA register offset 0x%x\n", saddr << 2); |
05b4ff43 TS |
468 | break; |
469 | ||
470 | /* DMA Arbiter */ | |
471 | case GT_DMA_ARB: | |
472 | /* Not implemented */ | |
d0f2c4c6 | 473 | DPRINTF ("Unimplemented DMA register offset 0x%x\n", saddr << 2); |
05b4ff43 TS |
474 | break; |
475 | ||
476 | /* Timer/Counter */ | |
477 | case GT_TC0: | |
478 | case GT_TC1: | |
479 | case GT_TC2: | |
480 | case GT_TC3: | |
481 | case GT_TC_CONTROL: | |
482 | /* Not implemented */ | |
d0f2c4c6 | 483 | DPRINTF ("Unimplemented timer register offset 0x%x\n", saddr << 2); |
05b4ff43 TS |
484 | break; |
485 | ||
fde7d5bd TS |
486 | /* PCI Internal */ |
487 | case GT_PCI0_CMD: | |
488 | case GT_PCI1_CMD: | |
489 | s->regs[saddr] = val & 0x0401fc0f; | |
490 | break; | |
05b4ff43 TS |
491 | case GT_PCI0_TOR: |
492 | case GT_PCI0_BS_SCS10: | |
493 | case GT_PCI0_BS_SCS32: | |
494 | case GT_PCI0_BS_CS20: | |
495 | case GT_PCI0_BS_CS3BT: | |
496 | case GT_PCI1_IACK: | |
497 | case GT_PCI0_IACK: | |
498 | case GT_PCI0_BARE: | |
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: | |
507 | case GT_PCI1_TOR: | |
508 | case GT_PCI1_BS_SCS10: | |
509 | case GT_PCI1_BS_SCS32: | |
510 | case GT_PCI1_BS_CS20: | |
511 | case GT_PCI1_BS_CS3BT: | |
512 | case GT_PCI1_BARE: | |
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 */ | |
524 | break; | |
fde7d5bd | 525 | case GT_PCI0_CFGADDR: |
c2dd2a23 | 526 | s->pci.config_reg = val & 0x80fffffc; |
fde7d5bd TS |
527 | break; |
528 | case GT_PCI0_CFGDATA: | |
c2dd2a23 | 529 | if (!(s->regs[GT_PCI0_CMD] & 1) && (s->pci.config_reg & 0x00fff800)) |
c6c99c3f | 530 | val = bswap32(val); |
c2dd2a23 AJ |
531 | if (s->pci.config_reg & (1u << 31)) |
532 | pci_data_write(s->pci.bus, s->pci.config_reg, val, 4); | |
05b4ff43 TS |
533 | break; |
534 | ||
535 | /* Interrupts */ | |
536 | case GT_INTRCAUSE: | |
537 | /* not really implemented */ | |
538 | s->regs[saddr] = ~(~(s->regs[saddr]) | ~(val & 0xfffffffe)); | |
539 | s->regs[saddr] |= !!(s->regs[saddr] & 0xfffffffe); | |
d0f2c4c6 | 540 | DPRINTF("INTRCAUSE %x\n", val); |
05b4ff43 TS |
541 | break; |
542 | case GT_INTRMASK: | |
543 | s->regs[saddr] = val & 0x3c3ffffe; | |
d0f2c4c6 | 544 | DPRINTF("INTRMASK %x\n", val); |
05b4ff43 TS |
545 | break; |
546 | case GT_PCI0_ICMASK: | |
547 | s->regs[saddr] = val & 0x03fffffe; | |
d0f2c4c6 | 548 | DPRINTF("ICMASK %x\n", val); |
05b4ff43 TS |
549 | break; |
550 | case GT_PCI0_SERR0MASK: | |
551 | s->regs[saddr] = val & 0x0000003f; | |
d0f2c4c6 | 552 | DPRINTF("SERR0MASK %x\n", val); |
05b4ff43 TS |
553 | break; |
554 | ||
555 | /* Reserved when only PCI_0 is configured. */ | |
556 | case GT_HINTRCAUSE: | |
557 | case GT_CPU_INTSEL: | |
558 | case GT_PCI0_INTSEL: | |
559 | case GT_HINTRMASK: | |
560 | case GT_PCI0_HICMASK: | |
561 | case GT_PCI1_SERR1MASK: | |
562 | /* not implemented */ | |
fde7d5bd TS |
563 | break; |
564 | ||
0da75eb1 TS |
565 | /* SDRAM Parameters */ |
566 | case GT_SDRAM_B0: | |
567 | case GT_SDRAM_B1: | |
568 | case GT_SDRAM_B2: | |
569 | case GT_SDRAM_B3: | |
570 | /* We don't simulate electrical parameters of the SDRAM. | |
571 | Accept, but ignore the values. */ | |
572 | s->regs[saddr] = val; | |
573 | break; | |
574 | ||
fde7d5bd | 575 | default: |
d0f2c4c6 | 576 | DPRINTF ("Bad register offset 0x%x\n", (int)addr); |
fde7d5bd TS |
577 | break; |
578 | } | |
579 | } | |
580 | ||
581 | static uint32_t gt64120_readl (void *opaque, | |
c227f099 | 582 | target_phys_addr_t addr) |
fde7d5bd TS |
583 | { |
584 | GT64120State *s = opaque; | |
585 | uint32_t val; | |
586 | uint32_t saddr; | |
587 | ||
fde7d5bd | 588 | saddr = (addr & 0xfff) >> 2; |
fde7d5bd TS |
589 | switch (saddr) { |
590 | ||
0da75eb1 TS |
591 | /* CPU Configuration */ |
592 | case GT_MULTI: | |
593 | /* Only one GT64xxx is present on the CPU bus, return | |
594 | the initial value */ | |
595 | val = s->regs[saddr]; | |
596 | break; | |
597 | ||
fde7d5bd TS |
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: | |
0da75eb1 | 604 | /* Emulated memory has no error, always return the initial |
5fafdf24 | 605 | values */ |
0da75eb1 TS |
606 | val = s->regs[saddr]; |
607 | break; | |
608 | ||
609 | /* CPU Sync Barrier */ | |
610 | case GT_PCI0SYNC: | |
611 | case GT_PCI1SYNC: | |
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. */ | |
5fafdf24 | 615 | val = 0xc000ffee; |
fde7d5bd TS |
616 | break; |
617 | ||
618 | /* ECC */ | |
619 | case GT_ECC_ERRDATALO: | |
620 | case GT_ECC_ERRDATAHI: | |
621 | case GT_ECC_MEM: | |
622 | case GT_ECC_CALC: | |
623 | case GT_ECC_ERRADDR: | |
0da75eb1 | 624 | /* Emulated memory has no error, always return the initial |
5fafdf24 | 625 | values */ |
0da75eb1 | 626 | val = s->regs[saddr]; |
fde7d5bd TS |
627 | break; |
628 | ||
629 | case GT_CPU: | |
05b4ff43 TS |
630 | case GT_SCS10LD: |
631 | case GT_SCS10HD: | |
632 | case GT_SCS32LD: | |
633 | case GT_SCS32HD: | |
634 | case GT_CS20LD: | |
635 | case GT_CS20HD: | |
636 | case GT_CS3BOOTLD: | |
637 | case GT_CS3BOOTHD: | |
638 | case GT_SCS10AR: | |
639 | case GT_SCS32AR: | |
640 | case GT_CS20R: | |
641 | case GT_CS3BOOTR: | |
fde7d5bd TS |
642 | case GT_PCI0IOLD: |
643 | case GT_PCI0M0LD: | |
644 | case GT_PCI0M1LD: | |
645 | case GT_PCI1IOLD: | |
646 | case GT_PCI1M0LD: | |
647 | case GT_PCI1M1LD: | |
648 | case GT_PCI0IOHD: | |
649 | case GT_PCI0M0HD: | |
650 | case GT_PCI0M1HD: | |
651 | case GT_PCI1IOHD: | |
652 | case GT_PCI1M0HD: | |
653 | case GT_PCI1M1HD: | |
fde7d5bd TS |
654 | case GT_PCI0IOREMAP: |
655 | case GT_PCI0M0REMAP: | |
656 | case GT_PCI0M1REMAP: | |
657 | case GT_PCI1IOREMAP: | |
658 | case GT_PCI1M0REMAP: | |
659 | case GT_PCI1M1REMAP: | |
05b4ff43 | 660 | case GT_ISD: |
fde7d5bd TS |
661 | val = s->regs[saddr]; |
662 | break; | |
663 | case GT_PCI0_IACK: | |
5fafdf24 | 664 | /* Read the IRQ number */ |
4de9b249 | 665 | val = pic_read_irq(isa_pic); |
fde7d5bd TS |
666 | break; |
667 | ||
05b4ff43 TS |
668 | /* SDRAM and Device Address Decode */ |
669 | case GT_SCS0LD: | |
670 | case GT_SCS0HD: | |
671 | case GT_SCS1LD: | |
672 | case GT_SCS1HD: | |
673 | case GT_SCS2LD: | |
674 | case GT_SCS2HD: | |
675 | case GT_SCS3LD: | |
676 | case GT_SCS3HD: | |
677 | case GT_CS0LD: | |
678 | case GT_CS0HD: | |
679 | case GT_CS1LD: | |
680 | case GT_CS1HD: | |
681 | case GT_CS2LD: | |
682 | case GT_CS2HD: | |
683 | case GT_CS3LD: | |
684 | case GT_CS3HD: | |
685 | case GT_BOOTLD: | |
686 | case GT_BOOTHD: | |
687 | case GT_ADERR: | |
688 | val = s->regs[saddr]; | |
689 | break; | |
690 | ||
691 | /* SDRAM Configuration */ | |
692 | case GT_SDRAM_CFG: | |
693 | case GT_SDRAM_OPMODE: | |
694 | case GT_SDRAM_BM: | |
695 | case GT_SDRAM_ADDRDECODE: | |
696 | val = s->regs[saddr]; | |
697 | break; | |
698 | ||
0da75eb1 TS |
699 | /* SDRAM Parameters */ |
700 | case GT_SDRAM_B0: | |
701 | case GT_SDRAM_B1: | |
702 | case GT_SDRAM_B2: | |
703 | case GT_SDRAM_B3: | |
704 | /* We don't simulate electrical parameters of the SDRAM. | |
705 | Just return the last written value. */ | |
706 | val = s->regs[saddr]; | |
707 | break; | |
708 | ||
05b4ff43 TS |
709 | /* Device Parameters */ |
710 | case GT_DEV_B0: | |
711 | case GT_DEV_B1: | |
712 | case GT_DEV_B2: | |
713 | case GT_DEV_B3: | |
714 | case GT_DEV_BOOT: | |
715 | val = s->regs[saddr]; | |
716 | break; | |
717 | ||
718 | /* DMA Record */ | |
719 | case GT_DMA0_CNT: | |
720 | case GT_DMA1_CNT: | |
721 | case GT_DMA2_CNT: | |
722 | case GT_DMA3_CNT: | |
723 | case GT_DMA0_SA: | |
724 | case GT_DMA1_SA: | |
725 | case GT_DMA2_SA: | |
726 | case GT_DMA3_SA: | |
727 | case GT_DMA0_DA: | |
728 | case GT_DMA1_DA: | |
729 | case GT_DMA2_DA: | |
730 | case GT_DMA3_DA: | |
731 | case GT_DMA0_NEXT: | |
732 | case GT_DMA1_NEXT: | |
733 | case GT_DMA2_NEXT: | |
734 | case GT_DMA3_NEXT: | |
735 | case GT_DMA0_CUR: | |
736 | case GT_DMA1_CUR: | |
737 | case GT_DMA2_CUR: | |
738 | case GT_DMA3_CUR: | |
739 | val = s->regs[saddr]; | |
740 | break; | |
741 | ||
742 | /* DMA Channel Control */ | |
743 | case GT_DMA0_CTRL: | |
744 | case GT_DMA1_CTRL: | |
745 | case GT_DMA2_CTRL: | |
746 | case GT_DMA3_CTRL: | |
747 | val = s->regs[saddr]; | |
748 | break; | |
749 | ||
750 | /* DMA Arbiter */ | |
751 | case GT_DMA_ARB: | |
752 | val = s->regs[saddr]; | |
753 | break; | |
754 | ||
755 | /* Timer/Counter */ | |
756 | case GT_TC0: | |
757 | case GT_TC1: | |
758 | case GT_TC2: | |
759 | case GT_TC3: | |
760 | case GT_TC_CONTROL: | |
761 | val = s->regs[saddr]; | |
762 | break; | |
763 | ||
fde7d5bd TS |
764 | /* PCI Internal */ |
765 | case GT_PCI0_CFGADDR: | |
c2dd2a23 | 766 | val = s->pci.config_reg; |
fde7d5bd TS |
767 | break; |
768 | case GT_PCI0_CFGDATA: | |
c2dd2a23 | 769 | if (!(s->pci.config_reg & (1 << 31))) |
c6c99c3f AJ |
770 | val = 0xffffffff; |
771 | else | |
c2dd2a23 AJ |
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)) | |
c6c99c3f | 774 | val = bswap32(val); |
05b4ff43 TS |
775 | break; |
776 | ||
777 | case GT_PCI0_CMD: | |
778 | case GT_PCI0_TOR: | |
779 | case GT_PCI0_BS_SCS10: | |
780 | case GT_PCI0_BS_SCS32: | |
781 | case GT_PCI0_BS_CS20: | |
782 | case GT_PCI0_BS_CS3BT: | |
783 | case GT_PCI1_IACK: | |
784 | case GT_PCI0_BARE: | |
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: | |
793 | case GT_PCI1_CMD: | |
794 | case GT_PCI1_TOR: | |
795 | case GT_PCI1_BS_SCS10: | |
796 | case GT_PCI1_BS_SCS32: | |
797 | case GT_PCI1_BS_CS20: | |
798 | case GT_PCI1_BS_CS3BT: | |
799 | case GT_PCI1_BARE: | |
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]; | |
811 | break; | |
812 | ||
813 | /* Interrupts */ | |
814 | case GT_INTRCAUSE: | |
815 | val = s->regs[saddr]; | |
d0f2c4c6 | 816 | DPRINTF("INTRCAUSE %x\n", val); |
05b4ff43 TS |
817 | break; |
818 | case GT_INTRMASK: | |
819 | val = s->regs[saddr]; | |
d0f2c4c6 | 820 | DPRINTF("INTRMASK %x\n", val); |
05b4ff43 TS |
821 | break; |
822 | case GT_PCI0_ICMASK: | |
823 | val = s->regs[saddr]; | |
d0f2c4c6 | 824 | DPRINTF("ICMASK %x\n", val); |
05b4ff43 TS |
825 | break; |
826 | case GT_PCI0_SERR0MASK: | |
827 | val = s->regs[saddr]; | |
d0f2c4c6 | 828 | DPRINTF("SERR0MASK %x\n", val); |
05b4ff43 TS |
829 | break; |
830 | ||
831 | /* Reserved when only PCI_0 is configured. */ | |
832 | case GT_HINTRCAUSE: | |
833 | case GT_CPU_INTSEL: | |
834 | case GT_PCI0_INTSEL: | |
835 | case GT_HINTRMASK: | |
836 | case GT_PCI0_HICMASK: | |
837 | case GT_PCI1_SERR1MASK: | |
838 | val = s->regs[saddr]; | |
fde7d5bd TS |
839 | break; |
840 | ||
841 | default: | |
842 | val = s->regs[saddr]; | |
d0f2c4c6 | 843 | DPRINTF ("Bad register offset 0x%x\n", (int)addr); |
fde7d5bd TS |
844 | break; |
845 | } | |
846 | ||
c6c99c3f | 847 | if (!(s->regs[GT_CPU] & 0x00001000)) |
1931e260 TS |
848 | val = bswap32(val); |
849 | ||
05b4ff43 | 850 | return val; |
fde7d5bd TS |
851 | } |
852 | ||
d60efc6b | 853 | static CPUWriteMemoryFunc * const gt64120_write[] = { |
fde7d5bd TS |
854 | >64120_writel, |
855 | >64120_writel, | |
856 | >64120_writel, | |
857 | }; | |
858 | ||
d60efc6b | 859 | static CPUReadMemoryFunc * const gt64120_read[] = { |
fde7d5bd TS |
860 | >64120_readl, |
861 | >64120_readl, | |
862 | >64120_readl, | |
863 | }; | |
864 | ||
c2dd2a23 | 865 | static int gt64120_pci_map_irq(PCIDevice *pci_dev, int irq_num) |
fde7d5bd TS |
866 | { |
867 | int slot; | |
868 | ||
869 | slot = (pci_dev->devfn >> 3); | |
870 | ||
871 | switch (slot) { | |
872 | /* PIIX4 USB */ | |
873 | case 10: | |
874 | return 3; | |
875 | /* AMD 79C973 Ethernet */ | |
876 | case 11: | |
d4a4d056 | 877 | return 1; |
fde7d5bd TS |
878 | /* Crystal 4281 Sound */ |
879 | case 12: | |
d4a4d056 | 880 | return 2; |
fde7d5bd TS |
881 | /* PCI slot 1 to 4 */ |
882 | case 18 ... 21: | |
883 | return ((slot - 18) + irq_num) & 0x03; | |
884 | /* Unknown device, don't do any translation */ | |
885 | default: | |
886 | return irq_num; | |
887 | } | |
888 | } | |
889 | ||
fde7d5bd TS |
890 | static int pci_irq_levels[4]; |
891 | ||
c2dd2a23 | 892 | static void gt64120_pci_set_irq(void *opaque, int irq_num, int level) |
fde7d5bd TS |
893 | { |
894 | int i, pic_irq, pic_level; | |
5d4e84c8 | 895 | qemu_irq *pic = opaque; |
fde7d5bd TS |
896 | |
897 | pci_irq_levels[irq_num] = level; | |
898 | ||
899 | /* now we change the pic irq level according to the piix irq mappings */ | |
900 | /* XXX: optimize */ | |
901 | pic_irq = piix4_dev->config[0x60 + irq_num]; | |
902 | if (pic_irq < 16) { | |
903 | /* The pic level is the logical OR of all the PCI irqs mapped | |
904 | to it */ | |
905 | pic_level = 0; | |
906 | for (i = 0; i < 4; i++) { | |
907 | if (pic_irq == piix4_dev->config[0x60 + i]) | |
908 | pic_level |= pci_irq_levels[i]; | |
909 | } | |
d537cf6c | 910 | qemu_set_irq(pic[pic_irq], pic_level); |
fde7d5bd TS |
911 | } |
912 | } | |
913 | ||
914 | ||
9596ebb7 | 915 | static void gt64120_reset(void *opaque) |
fde7d5bd TS |
916 | { |
917 | GT64120State *s = opaque; | |
918 | ||
30b6f3a8 TS |
919 | /* FIXME: Malta specific hw assumptions ahead */ |
920 | ||
fde7d5bd TS |
921 | /* CPU Configuration */ |
922 | #ifdef TARGET_WORDS_BIGENDIAN | |
923 | s->regs[GT_CPU] = 0x00000000; | |
924 | #else | |
bc687ec9 | 925 | s->regs[GT_CPU] = 0x00001000; |
fde7d5bd | 926 | #endif |
30b6f3a8 TS |
927 | s->regs[GT_MULTI] = 0x00000003; |
928 | ||
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; | |
fde7d5bd | 938 | |
fde7d5bd TS |
939 | s->regs[GT_PCI0IOLD] = 0x00000080; |
940 | s->regs[GT_PCI0IOHD] = 0x0000000f; | |
941 | s->regs[GT_PCI0M0LD] = 0x00000090; | |
942 | s->regs[GT_PCI0M0HD] = 0x0000001f; | |
30b6f3a8 | 943 | s->regs[GT_ISD] = 0x000000a0; |
fde7d5bd TS |
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; | |
30b6f3a8 TS |
952 | |
953 | s->regs[GT_SCS10AR] = 0x00000000; | |
954 | s->regs[GT_SCS32AR] = 0x00000008; | |
955 | s->regs[GT_CS20R] = 0x000000e0; | |
956 | s->regs[GT_CS3BOOTR] = 0x000000f8; | |
957 | ||
fde7d5bd TS |
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; | |
964 | ||
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; | |
971 | ||
30b6f3a8 TS |
972 | /* CPU Sync Barrier */ |
973 | s->regs[GT_PCI0SYNC] = 0x00000000; | |
974 | s->regs[GT_PCI1SYNC] = 0x00000000; | |
975 | ||
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; | |
996 | ||
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; | |
1002 | ||
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; | |
1008 | ||
fde7d5bd TS |
1009 | /* ECC */ |
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; | |
1015 | ||
30b6f3a8 TS |
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; | |
0da75eb1 | 1022 | |
30b6f3a8 TS |
1023 | /* DMA registers are all zeroed at reset */ |
1024 | ||
1025 | /* Timer/Counter */ | |
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; | |
1031 | ||
1032 | /* PCI Internal */ | |
fde7d5bd TS |
1033 | #ifdef TARGET_WORDS_BIGENDIAN |
1034 | s->regs[GT_PCI0_CMD] = 0x00000000; | |
fde7d5bd TS |
1035 | #else |
1036 | s->regs[GT_PCI0_CMD] = 0x00010001; | |
fde7d5bd | 1037 | #endif |
30b6f3a8 TS |
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; | |
fde7d5bd | 1043 | s->regs[GT_PCI1_IACK] = 0x00000000; |
30b6f3a8 TS |
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; | |
1056 | #else | |
1057 | s->regs[GT_PCI1_CMD] = 0x00010001; | |
1058 | #endif | |
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; | |
30b6f3a8 TS |
1076 | |
1077 | /* Interrupt registers are all zeroed at reset */ | |
fde7d5bd | 1078 | |
a0a8793e | 1079 | gt64120_isd_mapping(s); |
9414cc6f | 1080 | gt64120_pci_mapping(s); |
fde7d5bd TS |
1081 | } |
1082 | ||
c2dd2a23 AJ |
1083 | PCIBus *gt64120_register(qemu_irq *pic) |
1084 | { | |
1085 | SysBusDevice *s; | |
1086 | GT64120State *d; | |
1087 | DeviceState *dev; | |
1088 | ||
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); | |
1098 | ||
1099 | pci_create_simple(d->pci.bus, PCI_DEVFN(0, 0), "gt64120_pci"); | |
1100 | return d->pci.bus; | |
1101 | } | |
1102 | ||
1103 | static int gt64120_init(SysBusDevice *dev) | |
fde7d5bd TS |
1104 | { |
1105 | GT64120State *s; | |
fde7d5bd | 1106 | |
c2dd2a23 | 1107 | s = FROM_SYSBUS(GT64120State, dev); |
9414cc6f | 1108 | |
8e5977e5 AJ |
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; | |
c2dd2a23 | 1114 | qemu_register_reset(gt64120_reset, s); |
c2dd2a23 AJ |
1115 | return 0; |
1116 | } | |
fde7d5bd | 1117 | |
c2dd2a23 AJ |
1118 | static int gt64120_pci_init(PCIDevice *d) |
1119 | { | |
0f78cf0c | 1120 | /* FIXME: Malta specific hw assumptions ahead */ |
c2dd2a23 AJ |
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); | |
c2dd2a23 | 1124 | pci_config_set_prog_interface(d->config, 0); |
c2dd2a23 AJ |
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); | |
0f78cf0c | 1132 | |
c2dd2a23 AJ |
1133 | return 0; |
1134 | } | |
a0a8793e | 1135 | |
c2dd2a23 AJ |
1136 | static PCIDeviceInfo gt64120_pci_info = { |
1137 | .qdev.name = "gt64120_pci", | |
1138 | .qdev.size = sizeof(PCIDevice), | |
1139 | .init = gt64120_pci_init, | |
231f5f43 IY |
1140 | .vendor_id = PCI_VENDOR_ID_MARVELL, |
1141 | .device_id = PCI_DEVICE_ID_MARVELL_GT6412X, | |
1142 | .revision = 0x10, | |
1143 | .class_id = PCI_CLASS_BRIDGE_HOST, | |
c2dd2a23 | 1144 | }; |
1823082c | 1145 | |
c2dd2a23 AJ |
1146 | static void gt64120_pci_register_devices(void) |
1147 | { | |
1148 | sysbus_register_dev("gt64120", sizeof(GT64120State), | |
1149 | gt64120_init); | |
1150 | pci_qdev_register(>64120_pci_info); | |
fde7d5bd | 1151 | } |
c2dd2a23 AJ |
1152 | |
1153 | device_init(gt64120_pci_register_devices) |