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Commit | Line | Data |
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a171fe39 AZ |
1 | /* |
2 | * Intel XScale PXA255/270 OS Timers. | |
3 | * | |
4 | * Copyright (c) 2006 Openedhand Ltd. | |
5 | * Copyright (c) 2006 Thorsten Zitterell | |
6 | * | |
8e31bf38 | 7 | * This code is licensed under the GPL. |
a171fe39 AZ |
8 | */ |
9 | ||
8ef94f0b | 10 | #include "qemu/osdep.h" |
83c9f4ca | 11 | #include "hw/hw.h" |
1de7afc9 | 12 | #include "qemu/timer.h" |
9c17d615 | 13 | #include "sysemu/sysemu.h" |
0d09e41a | 14 | #include "hw/arm/pxa.h" |
83c9f4ca | 15 | #include "hw/sysbus.h" |
2ba63e4a | 16 | #include "qemu/log.h" |
a171fe39 AZ |
17 | |
18 | #define OSMR0 0x00 | |
19 | #define OSMR1 0x04 | |
20 | #define OSMR2 0x08 | |
21 | #define OSMR3 0x0c | |
22 | #define OSMR4 0x80 | |
23 | #define OSMR5 0x84 | |
24 | #define OSMR6 0x88 | |
25 | #define OSMR7 0x8c | |
26 | #define OSMR8 0x90 | |
27 | #define OSMR9 0x94 | |
28 | #define OSMR10 0x98 | |
29 | #define OSMR11 0x9c | |
30 | #define OSCR 0x10 /* OS Timer Count */ | |
31 | #define OSCR4 0x40 | |
32 | #define OSCR5 0x44 | |
33 | #define OSCR6 0x48 | |
34 | #define OSCR7 0x4c | |
35 | #define OSCR8 0x50 | |
36 | #define OSCR9 0x54 | |
37 | #define OSCR10 0x58 | |
38 | #define OSCR11 0x5c | |
39 | #define OSSR 0x14 /* Timer status register */ | |
40 | #define OWER 0x18 | |
41 | #define OIER 0x1c /* Interrupt enable register 3-0 to E3-E0 */ | |
42 | #define OMCR4 0xc0 /* OS Match Control registers */ | |
43 | #define OMCR5 0xc4 | |
44 | #define OMCR6 0xc8 | |
45 | #define OMCR7 0xcc | |
46 | #define OMCR8 0xd0 | |
47 | #define OMCR9 0xd4 | |
48 | #define OMCR10 0xd8 | |
49 | #define OMCR11 0xdc | |
50 | #define OSNR 0x20 | |
51 | ||
52 | #define PXA25X_FREQ 3686400 /* 3.6864 MHz */ | |
53 | #define PXA27X_FREQ 3250000 /* 3.25 MHz */ | |
54 | ||
55 | static int pxa2xx_timer4_freq[8] = { | |
56 | [0] = 0, | |
57 | [1] = 32768, | |
58 | [2] = 1000, | |
59 | [3] = 1, | |
60 | [4] = 1000000, | |
61 | /* [5] is the "Externally supplied clock". Assign if necessary. */ | |
62 | [5 ... 7] = 0, | |
63 | }; | |
64 | ||
feea4361 AF |
65 | #define TYPE_PXA2XX_TIMER "pxa2xx-timer" |
66 | #define PXA2XX_TIMER(obj) \ | |
67 | OBJECT_CHECK(PXA2xxTimerInfo, (obj), TYPE_PXA2XX_TIMER) | |
68 | ||
797e9542 DES |
69 | typedef struct PXA2xxTimerInfo PXA2xxTimerInfo; |
70 | ||
bc24a225 | 71 | typedef struct { |
a171fe39 | 72 | uint32_t value; |
5251d196 | 73 | qemu_irq irq; |
a171fe39 AZ |
74 | QEMUTimer *qtimer; |
75 | int num; | |
797e9542 | 76 | PXA2xxTimerInfo *info; |
bc24a225 | 77 | } PXA2xxTimer0; |
a171fe39 | 78 | |
bc24a225 PB |
79 | typedef struct { |
80 | PXA2xxTimer0 tm; | |
a171fe39 AZ |
81 | int32_t oldclock; |
82 | int32_t clock; | |
83 | uint64_t lastload; | |
84 | uint32_t freq; | |
85 | uint32_t control; | |
bc24a225 | 86 | } PXA2xxTimer4; |
a171fe39 | 87 | |
797e9542 | 88 | struct PXA2xxTimerInfo { |
feea4361 AF |
89 | SysBusDevice parent_obj; |
90 | ||
b755bde3 | 91 | MemoryRegion iomem; |
797e9542 DES |
92 | uint32_t flags; |
93 | ||
a171fe39 AZ |
94 | int32_t clock; |
95 | int32_t oldclock; | |
96 | uint64_t lastload; | |
97 | uint32_t freq; | |
bc24a225 | 98 | PXA2xxTimer0 timer[4]; |
a171fe39 AZ |
99 | uint32_t events; |
100 | uint32_t irq_enabled; | |
101 | uint32_t reset3; | |
a171fe39 | 102 | uint32_t snapshot; |
797e9542 | 103 | |
4ff927cc | 104 | qemu_irq irq4; |
797e9542 | 105 | PXA2xxTimer4 tm4[8]; |
797e9542 DES |
106 | }; |
107 | ||
108 | #define PXA2XX_TIMER_HAVE_TM4 0 | |
109 | ||
110 | static inline int pxa2xx_timer_has_tm4(PXA2xxTimerInfo *s) | |
111 | { | |
112 | return s->flags & (1 << PXA2XX_TIMER_HAVE_TM4); | |
113 | } | |
a171fe39 AZ |
114 | |
115 | static void pxa2xx_timer_update(void *opaque, uint64_t now_qemu) | |
116 | { | |
d353eb43 | 117 | PXA2xxTimerInfo *s = (PXA2xxTimerInfo *) opaque; |
a171fe39 AZ |
118 | int i; |
119 | uint32_t now_vm; | |
120 | uint64_t new_qemu; | |
121 | ||
122 | now_vm = s->clock + | |
73bcb24d | 123 | muldiv64(now_qemu - s->lastload, s->freq, NANOSECONDS_PER_SECOND); |
a171fe39 AZ |
124 | |
125 | for (i = 0; i < 4; i ++) { | |
126 | new_qemu = now_qemu + muldiv64((uint32_t) (s->timer[i].value - now_vm), | |
73bcb24d | 127 | NANOSECONDS_PER_SECOND, s->freq); |
bc72ad67 | 128 | timer_mod(s->timer[i].qtimer, new_qemu); |
a171fe39 AZ |
129 | } |
130 | } | |
131 | ||
132 | static void pxa2xx_timer_update4(void *opaque, uint64_t now_qemu, int n) | |
133 | { | |
d353eb43 | 134 | PXA2xxTimerInfo *s = (PXA2xxTimerInfo *) opaque; |
a171fe39 AZ |
135 | uint32_t now_vm; |
136 | uint64_t new_qemu; | |
137 | static const int counters[8] = { 0, 0, 0, 0, 4, 4, 6, 6 }; | |
138 | int counter; | |
139 | ||
140 | if (s->tm4[n].control & (1 << 7)) | |
141 | counter = n; | |
142 | else | |
143 | counter = counters[n]; | |
144 | ||
145 | if (!s->tm4[counter].freq) { | |
bc72ad67 | 146 | timer_del(s->tm4[n].tm.qtimer); |
a171fe39 AZ |
147 | return; |
148 | } | |
149 | ||
150 | now_vm = s->tm4[counter].clock + muldiv64(now_qemu - | |
151 | s->tm4[counter].lastload, | |
73bcb24d | 152 | s->tm4[counter].freq, NANOSECONDS_PER_SECOND); |
a171fe39 | 153 | |
3bdd58a4 | 154 | new_qemu = now_qemu + muldiv64((uint32_t) (s->tm4[n].tm.value - now_vm), |
73bcb24d | 155 | NANOSECONDS_PER_SECOND, s->tm4[counter].freq); |
bc72ad67 | 156 | timer_mod(s->tm4[n].tm.qtimer, new_qemu); |
a171fe39 AZ |
157 | } |
158 | ||
a8170e5e | 159 | static uint64_t pxa2xx_timer_read(void *opaque, hwaddr offset, |
b755bde3 | 160 | unsigned size) |
a171fe39 | 161 | { |
d353eb43 | 162 | PXA2xxTimerInfo *s = (PXA2xxTimerInfo *) opaque; |
a171fe39 AZ |
163 | int tm = 0; |
164 | ||
a171fe39 AZ |
165 | switch (offset) { |
166 | case OSMR3: tm ++; | |
de16017d | 167 | /* fall through */ |
a171fe39 | 168 | case OSMR2: tm ++; |
de16017d | 169 | /* fall through */ |
a171fe39 | 170 | case OSMR1: tm ++; |
de16017d | 171 | /* fall through */ |
a171fe39 AZ |
172 | case OSMR0: |
173 | return s->timer[tm].value; | |
174 | case OSMR11: tm ++; | |
de16017d | 175 | /* fall through */ |
a171fe39 | 176 | case OSMR10: tm ++; |
de16017d | 177 | /* fall through */ |
a171fe39 | 178 | case OSMR9: tm ++; |
de16017d | 179 | /* fall through */ |
a171fe39 | 180 | case OSMR8: tm ++; |
de16017d | 181 | /* fall through */ |
a171fe39 | 182 | case OSMR7: tm ++; |
de16017d | 183 | /* fall through */ |
a171fe39 | 184 | case OSMR6: tm ++; |
de16017d | 185 | /* fall through */ |
a171fe39 | 186 | case OSMR5: tm ++; |
de16017d | 187 | /* fall through */ |
a171fe39 | 188 | case OSMR4: |
797e9542 | 189 | if (!pxa2xx_timer_has_tm4(s)) |
a171fe39 | 190 | goto badreg; |
3bdd58a4 | 191 | return s->tm4[tm].tm.value; |
a171fe39 | 192 | case OSCR: |
bc72ad67 | 193 | return s->clock + muldiv64(qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) - |
73bcb24d | 194 | s->lastload, s->freq, NANOSECONDS_PER_SECOND); |
a171fe39 | 195 | case OSCR11: tm ++; |
de16017d | 196 | /* fall through */ |
a171fe39 | 197 | case OSCR10: tm ++; |
de16017d | 198 | /* fall through */ |
a171fe39 | 199 | case OSCR9: tm ++; |
de16017d | 200 | /* fall through */ |
a171fe39 | 201 | case OSCR8: tm ++; |
de16017d | 202 | /* fall through */ |
a171fe39 | 203 | case OSCR7: tm ++; |
de16017d | 204 | /* fall through */ |
a171fe39 | 205 | case OSCR6: tm ++; |
de16017d | 206 | /* fall through */ |
a171fe39 | 207 | case OSCR5: tm ++; |
de16017d | 208 | /* fall through */ |
a171fe39 | 209 | case OSCR4: |
797e9542 | 210 | if (!pxa2xx_timer_has_tm4(s)) |
a171fe39 AZ |
211 | goto badreg; |
212 | ||
213 | if ((tm == 9 - 4 || tm == 11 - 4) && (s->tm4[tm].control & (1 << 9))) { | |
214 | if (s->tm4[tm - 1].freq) | |
215 | s->snapshot = s->tm4[tm - 1].clock + muldiv64( | |
bc72ad67 | 216 | qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) - |
a171fe39 | 217 | s->tm4[tm - 1].lastload, |
73bcb24d | 218 | s->tm4[tm - 1].freq, NANOSECONDS_PER_SECOND); |
a171fe39 AZ |
219 | else |
220 | s->snapshot = s->tm4[tm - 1].clock; | |
221 | } | |
222 | ||
223 | if (!s->tm4[tm].freq) | |
224 | return s->tm4[tm].clock; | |
73bcb24d RS |
225 | return s->tm4[tm].clock + |
226 | muldiv64(qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) - | |
227 | s->tm4[tm].lastload, s->tm4[tm].freq, | |
228 | NANOSECONDS_PER_SECOND); | |
a171fe39 AZ |
229 | case OIER: |
230 | return s->irq_enabled; | |
231 | case OSSR: /* Status register */ | |
232 | return s->events; | |
233 | case OWER: | |
234 | return s->reset3; | |
235 | case OMCR11: tm ++; | |
de16017d | 236 | /* fall through */ |
a171fe39 | 237 | case OMCR10: tm ++; |
de16017d | 238 | /* fall through */ |
a171fe39 | 239 | case OMCR9: tm ++; |
de16017d | 240 | /* fall through */ |
a171fe39 | 241 | case OMCR8: tm ++; |
de16017d | 242 | /* fall through */ |
a171fe39 | 243 | case OMCR7: tm ++; |
de16017d | 244 | /* fall through */ |
a171fe39 | 245 | case OMCR6: tm ++; |
de16017d | 246 | /* fall through */ |
a171fe39 | 247 | case OMCR5: tm ++; |
de16017d | 248 | /* fall through */ |
a171fe39 | 249 | case OMCR4: |
797e9542 | 250 | if (!pxa2xx_timer_has_tm4(s)) |
a171fe39 AZ |
251 | goto badreg; |
252 | return s->tm4[tm].control; | |
253 | case OSNR: | |
254 | return s->snapshot; | |
255 | default: | |
2ba63e4a PMD |
256 | qemu_log_mask(LOG_UNIMP, |
257 | "%s: unknown register 0x%02" HWADDR_PRIx "\n", | |
258 | __func__, offset); | |
259 | break; | |
a171fe39 | 260 | badreg: |
2ba63e4a PMD |
261 | qemu_log_mask(LOG_GUEST_ERROR, |
262 | "%s: incorrect register 0x%02" HWADDR_PRIx "\n", | |
263 | __func__, offset); | |
a171fe39 AZ |
264 | } |
265 | ||
266 | return 0; | |
267 | } | |
268 | ||
a8170e5e | 269 | static void pxa2xx_timer_write(void *opaque, hwaddr offset, |
b755bde3 | 270 | uint64_t value, unsigned size) |
a171fe39 AZ |
271 | { |
272 | int i, tm = 0; | |
d353eb43 | 273 | PXA2xxTimerInfo *s = (PXA2xxTimerInfo *) opaque; |
a171fe39 | 274 | |
a171fe39 AZ |
275 | switch (offset) { |
276 | case OSMR3: tm ++; | |
de16017d | 277 | /* fall through */ |
a171fe39 | 278 | case OSMR2: tm ++; |
de16017d | 279 | /* fall through */ |
a171fe39 | 280 | case OSMR1: tm ++; |
de16017d | 281 | /* fall through */ |
a171fe39 AZ |
282 | case OSMR0: |
283 | s->timer[tm].value = value; | |
bc72ad67 | 284 | pxa2xx_timer_update(s, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL)); |
a171fe39 AZ |
285 | break; |
286 | case OSMR11: tm ++; | |
de16017d | 287 | /* fall through */ |
a171fe39 | 288 | case OSMR10: tm ++; |
de16017d | 289 | /* fall through */ |
a171fe39 | 290 | case OSMR9: tm ++; |
de16017d | 291 | /* fall through */ |
a171fe39 | 292 | case OSMR8: tm ++; |
de16017d | 293 | /* fall through */ |
a171fe39 | 294 | case OSMR7: tm ++; |
de16017d | 295 | /* fall through */ |
a171fe39 | 296 | case OSMR6: tm ++; |
de16017d | 297 | /* fall through */ |
a171fe39 | 298 | case OSMR5: tm ++; |
de16017d | 299 | /* fall through */ |
a171fe39 | 300 | case OSMR4: |
797e9542 | 301 | if (!pxa2xx_timer_has_tm4(s)) |
a171fe39 | 302 | goto badreg; |
3bdd58a4 | 303 | s->tm4[tm].tm.value = value; |
bc72ad67 | 304 | pxa2xx_timer_update4(s, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL), tm); |
a171fe39 AZ |
305 | break; |
306 | case OSCR: | |
307 | s->oldclock = s->clock; | |
bc72ad67 | 308 | s->lastload = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); |
a171fe39 AZ |
309 | s->clock = value; |
310 | pxa2xx_timer_update(s, s->lastload); | |
311 | break; | |
312 | case OSCR11: tm ++; | |
de16017d | 313 | /* fall through */ |
a171fe39 | 314 | case OSCR10: tm ++; |
de16017d | 315 | /* fall through */ |
a171fe39 | 316 | case OSCR9: tm ++; |
de16017d | 317 | /* fall through */ |
a171fe39 | 318 | case OSCR8: tm ++; |
de16017d | 319 | /* fall through */ |
a171fe39 | 320 | case OSCR7: tm ++; |
de16017d | 321 | /* fall through */ |
a171fe39 | 322 | case OSCR6: tm ++; |
de16017d | 323 | /* fall through */ |
a171fe39 | 324 | case OSCR5: tm ++; |
de16017d | 325 | /* fall through */ |
a171fe39 | 326 | case OSCR4: |
797e9542 | 327 | if (!pxa2xx_timer_has_tm4(s)) |
a171fe39 AZ |
328 | goto badreg; |
329 | s->tm4[tm].oldclock = s->tm4[tm].clock; | |
bc72ad67 | 330 | s->tm4[tm].lastload = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); |
a171fe39 AZ |
331 | s->tm4[tm].clock = value; |
332 | pxa2xx_timer_update4(s, s->tm4[tm].lastload, tm); | |
333 | break; | |
334 | case OIER: | |
335 | s->irq_enabled = value & 0xfff; | |
336 | break; | |
337 | case OSSR: /* Status register */ | |
8034ce7d | 338 | value &= s->events; |
a171fe39 | 339 | s->events &= ~value; |
8034ce7d AZ |
340 | for (i = 0; i < 4; i ++, value >>= 1) |
341 | if (value & 1) | |
5251d196 | 342 | qemu_irq_lower(s->timer[i].irq); |
8034ce7d AZ |
343 | if (pxa2xx_timer_has_tm4(s) && !(s->events & 0xff0) && value) |
344 | qemu_irq_lower(s->irq4); | |
a171fe39 AZ |
345 | break; |
346 | case OWER: /* XXX: Reset on OSMR3 match? */ | |
347 | s->reset3 = value; | |
348 | break; | |
349 | case OMCR7: tm ++; | |
de16017d | 350 | /* fall through */ |
a171fe39 | 351 | case OMCR6: tm ++; |
de16017d | 352 | /* fall through */ |
a171fe39 | 353 | case OMCR5: tm ++; |
de16017d | 354 | /* fall through */ |
a171fe39 | 355 | case OMCR4: |
797e9542 | 356 | if (!pxa2xx_timer_has_tm4(s)) |
a171fe39 AZ |
357 | goto badreg; |
358 | s->tm4[tm].control = value & 0x0ff; | |
359 | /* XXX Stop if running (shouldn't happen) */ | |
360 | if ((value & (1 << 7)) || tm == 0) | |
361 | s->tm4[tm].freq = pxa2xx_timer4_freq[value & 7]; | |
362 | else { | |
363 | s->tm4[tm].freq = 0; | |
bc72ad67 | 364 | pxa2xx_timer_update4(s, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL), tm); |
a171fe39 AZ |
365 | } |
366 | break; | |
367 | case OMCR11: tm ++; | |
de16017d | 368 | /* fall through */ |
a171fe39 | 369 | case OMCR10: tm ++; |
de16017d | 370 | /* fall through */ |
a171fe39 | 371 | case OMCR9: tm ++; |
de16017d | 372 | /* fall through */ |
a171fe39 | 373 | case OMCR8: tm += 4; |
797e9542 | 374 | if (!pxa2xx_timer_has_tm4(s)) |
a171fe39 AZ |
375 | goto badreg; |
376 | s->tm4[tm].control = value & 0x3ff; | |
377 | /* XXX Stop if running (shouldn't happen) */ | |
378 | if ((value & (1 << 7)) || !(tm & 1)) | |
379 | s->tm4[tm].freq = | |
380 | pxa2xx_timer4_freq[(value & (1 << 8)) ? 0 : (value & 7)]; | |
381 | else { | |
382 | s->tm4[tm].freq = 0; | |
bc72ad67 | 383 | pxa2xx_timer_update4(s, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL), tm); |
a171fe39 AZ |
384 | } |
385 | break; | |
386 | default: | |
2ba63e4a PMD |
387 | qemu_log_mask(LOG_UNIMP, |
388 | "%s: unknown register 0x%02" HWADDR_PRIx " " | |
389 | "(value 0x%08" PRIx64 ")\n", __func__, offset, value); | |
390 | break; | |
a171fe39 | 391 | badreg: |
2ba63e4a PMD |
392 | qemu_log_mask(LOG_GUEST_ERROR, |
393 | "%s: incorrect register 0x%02" HWADDR_PRIx " " | |
394 | "(value 0x%08" PRIx64 ")\n", __func__, offset, value); | |
a171fe39 AZ |
395 | } |
396 | } | |
397 | ||
b755bde3 BC |
398 | static const MemoryRegionOps pxa2xx_timer_ops = { |
399 | .read = pxa2xx_timer_read, | |
400 | .write = pxa2xx_timer_write, | |
401 | .endianness = DEVICE_NATIVE_ENDIAN, | |
a171fe39 AZ |
402 | }; |
403 | ||
404 | static void pxa2xx_timer_tick(void *opaque) | |
405 | { | |
bc24a225 | 406 | PXA2xxTimer0 *t = (PXA2xxTimer0 *) opaque; |
797e9542 | 407 | PXA2xxTimerInfo *i = t->info; |
a171fe39 AZ |
408 | |
409 | if (i->irq_enabled & (1 << t->num)) { | |
a171fe39 | 410 | i->events |= 1 << t->num; |
5251d196 | 411 | qemu_irq_raise(t->irq); |
a171fe39 AZ |
412 | } |
413 | ||
414 | if (t->num == 3) | |
415 | if (i->reset3 & 1) { | |
416 | i->reset3 = 0; | |
cf83f140 | 417 | qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET); |
a171fe39 AZ |
418 | } |
419 | } | |
420 | ||
421 | static void pxa2xx_timer_tick4(void *opaque) | |
422 | { | |
bc24a225 | 423 | PXA2xxTimer4 *t = (PXA2xxTimer4 *) opaque; |
d353eb43 | 424 | PXA2xxTimerInfo *i = (PXA2xxTimerInfo *) t->tm.info; |
a171fe39 | 425 | |
3bdd58a4 | 426 | pxa2xx_timer_tick(&t->tm); |
a171fe39 AZ |
427 | if (t->control & (1 << 3)) |
428 | t->clock = 0; | |
429 | if (t->control & (1 << 6)) | |
bc72ad67 | 430 | pxa2xx_timer_update4(i, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL), t->tm.num - 4); |
4ff927cc DES |
431 | if (i->events & 0xff0) |
432 | qemu_irq_raise(i->irq4); | |
a171fe39 AZ |
433 | } |
434 | ||
797e9542 | 435 | static int pxa25x_timer_post_load(void *opaque, int version_id) |
aa941b94 | 436 | { |
d353eb43 | 437 | PXA2xxTimerInfo *s = (PXA2xxTimerInfo *) opaque; |
aa941b94 AZ |
438 | int64_t now; |
439 | int i; | |
440 | ||
bc72ad67 | 441 | now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); |
aa941b94 AZ |
442 | pxa2xx_timer_update(s, now); |
443 | ||
797e9542 DES |
444 | if (pxa2xx_timer_has_tm4(s)) |
445 | for (i = 0; i < 8; i ++) | |
aa941b94 | 446 | pxa2xx_timer_update4(s, now, i); |
aa941b94 AZ |
447 | |
448 | return 0; | |
449 | } | |
450 | ||
5d83e348 | 451 | static void pxa2xx_timer_init(Object *obj) |
a171fe39 | 452 | { |
5d83e348 XZ |
453 | PXA2xxTimerInfo *s = PXA2XX_TIMER(obj); |
454 | SysBusDevice *dev = SYS_BUS_DEVICE(obj); | |
a171fe39 | 455 | |
a171fe39 AZ |
456 | s->irq_enabled = 0; |
457 | s->oldclock = 0; | |
458 | s->clock = 0; | |
bc72ad67 | 459 | s->lastload = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); |
a171fe39 | 460 | s->reset3 = 0; |
a171fe39 | 461 | |
5d83e348 XZ |
462 | memory_region_init_io(&s->iomem, obj, &pxa2xx_timer_ops, s, |
463 | "pxa2xx-timer", 0x00001000); | |
464 | sysbus_init_mmio(dev, &s->iomem); | |
465 | } | |
466 | ||
467 | static void pxa2xx_timer_realize(DeviceState *dev, Error **errp) | |
468 | { | |
469 | PXA2xxTimerInfo *s = PXA2XX_TIMER(dev); | |
470 | SysBusDevice *sbd = SYS_BUS_DEVICE(dev); | |
471 | int i; | |
472 | ||
a171fe39 AZ |
473 | for (i = 0; i < 4; i ++) { |
474 | s->timer[i].value = 0; | |
5d83e348 | 475 | sysbus_init_irq(sbd, &s->timer[i].irq); |
a171fe39 AZ |
476 | s->timer[i].info = s; |
477 | s->timer[i].num = i; | |
bc72ad67 | 478 | s->timer[i].qtimer = timer_new_ns(QEMU_CLOCK_VIRTUAL, |
5d83e348 | 479 | pxa2xx_timer_tick, &s->timer[i]); |
a171fe39 | 480 | } |
5d83e348 | 481 | |
797e9542 | 482 | if (s->flags & (1 << PXA2XX_TIMER_HAVE_TM4)) { |
5d83e348 | 483 | sysbus_init_irq(sbd, &s->irq4); |
797e9542 DES |
484 | |
485 | for (i = 0; i < 8; i ++) { | |
486 | s->tm4[i].tm.value = 0; | |
487 | s->tm4[i].tm.info = s; | |
488 | s->tm4[i].tm.num = i + 4; | |
797e9542 DES |
489 | s->tm4[i].freq = 0; |
490 | s->tm4[i].control = 0x0; | |
bc72ad67 | 491 | s->tm4[i].tm.qtimer = timer_new_ns(QEMU_CLOCK_VIRTUAL, |
5d83e348 | 492 | pxa2xx_timer_tick4, &s->tm4[i]); |
797e9542 DES |
493 | } |
494 | } | |
a171fe39 AZ |
495 | } |
496 | ||
797e9542 DES |
497 | static const VMStateDescription vmstate_pxa2xx_timer0_regs = { |
498 | .name = "pxa2xx_timer0", | |
8034ce7d AZ |
499 | .version_id = 2, |
500 | .minimum_version_id = 2, | |
797e9542 DES |
501 | .fields = (VMStateField[]) { |
502 | VMSTATE_UINT32(value, PXA2xxTimer0), | |
797e9542 DES |
503 | VMSTATE_END_OF_LIST(), |
504 | }, | |
505 | }; | |
506 | ||
507 | static const VMStateDescription vmstate_pxa2xx_timer4_regs = { | |
508 | .name = "pxa2xx_timer4", | |
509 | .version_id = 1, | |
510 | .minimum_version_id = 1, | |
797e9542 DES |
511 | .fields = (VMStateField[]) { |
512 | VMSTATE_STRUCT(tm, PXA2xxTimer4, 1, | |
513 | vmstate_pxa2xx_timer0_regs, PXA2xxTimer0), | |
514 | VMSTATE_INT32(oldclock, PXA2xxTimer4), | |
515 | VMSTATE_INT32(clock, PXA2xxTimer4), | |
516 | VMSTATE_UINT64(lastload, PXA2xxTimer4), | |
517 | VMSTATE_UINT32(freq, PXA2xxTimer4), | |
518 | VMSTATE_UINT32(control, PXA2xxTimer4), | |
519 | VMSTATE_END_OF_LIST(), | |
520 | }, | |
521 | }; | |
522 | ||
523 | static bool pxa2xx_timer_has_tm4_test(void *opaque, int version_id) | |
a171fe39 | 524 | { |
797e9542 | 525 | return pxa2xx_timer_has_tm4(opaque); |
a171fe39 AZ |
526 | } |
527 | ||
797e9542 DES |
528 | static const VMStateDescription vmstate_pxa2xx_timer_regs = { |
529 | .name = "pxa2xx_timer", | |
530 | .version_id = 1, | |
531 | .minimum_version_id = 1, | |
797e9542 DES |
532 | .post_load = pxa25x_timer_post_load, |
533 | .fields = (VMStateField[]) { | |
534 | VMSTATE_INT32(clock, PXA2xxTimerInfo), | |
535 | VMSTATE_INT32(oldclock, PXA2xxTimerInfo), | |
536 | VMSTATE_UINT64(lastload, PXA2xxTimerInfo), | |
537 | VMSTATE_STRUCT_ARRAY(timer, PXA2xxTimerInfo, 4, 1, | |
538 | vmstate_pxa2xx_timer0_regs, PXA2xxTimer0), | |
539 | VMSTATE_UINT32(events, PXA2xxTimerInfo), | |
540 | VMSTATE_UINT32(irq_enabled, PXA2xxTimerInfo), | |
541 | VMSTATE_UINT32(reset3, PXA2xxTimerInfo), | |
542 | VMSTATE_UINT32(snapshot, PXA2xxTimerInfo), | |
543 | VMSTATE_STRUCT_ARRAY_TEST(tm4, PXA2xxTimerInfo, 8, | |
544 | pxa2xx_timer_has_tm4_test, 0, | |
545 | vmstate_pxa2xx_timer4_regs, PXA2xxTimer4), | |
546 | VMSTATE_END_OF_LIST(), | |
a171fe39 | 547 | } |
797e9542 DES |
548 | }; |
549 | ||
999e12bb AL |
550 | static Property pxa25x_timer_dev_properties[] = { |
551 | DEFINE_PROP_UINT32("freq", PXA2xxTimerInfo, freq, PXA25X_FREQ), | |
552 | DEFINE_PROP_BIT("tm4", PXA2xxTimerInfo, flags, | |
feea4361 | 553 | PXA2XX_TIMER_HAVE_TM4, false), |
999e12bb | 554 | DEFINE_PROP_END_OF_LIST(), |
797e9542 DES |
555 | }; |
556 | ||
999e12bb AL |
557 | static void pxa25x_timer_dev_class_init(ObjectClass *klass, void *data) |
558 | { | |
39bffca2 | 559 | DeviceClass *dc = DEVICE_CLASS(klass); |
999e12bb | 560 | |
39bffca2 | 561 | dc->desc = "PXA25x timer"; |
39bffca2 | 562 | dc->props = pxa25x_timer_dev_properties; |
999e12bb AL |
563 | } |
564 | ||
8c43a6f0 | 565 | static const TypeInfo pxa25x_timer_dev_info = { |
39bffca2 | 566 | .name = "pxa25x-timer", |
feea4361 | 567 | .parent = TYPE_PXA2XX_TIMER, |
39bffca2 AL |
568 | .instance_size = sizeof(PXA2xxTimerInfo), |
569 | .class_init = pxa25x_timer_dev_class_init, | |
999e12bb AL |
570 | }; |
571 | ||
572 | static Property pxa27x_timer_dev_properties[] = { | |
573 | DEFINE_PROP_UINT32("freq", PXA2xxTimerInfo, freq, PXA27X_FREQ), | |
574 | DEFINE_PROP_BIT("tm4", PXA2xxTimerInfo, flags, | |
feea4361 | 575 | PXA2XX_TIMER_HAVE_TM4, true), |
999e12bb AL |
576 | DEFINE_PROP_END_OF_LIST(), |
577 | }; | |
578 | ||
579 | static void pxa27x_timer_dev_class_init(ObjectClass *klass, void *data) | |
580 | { | |
39bffca2 | 581 | DeviceClass *dc = DEVICE_CLASS(klass); |
999e12bb | 582 | |
39bffca2 | 583 | dc->desc = "PXA27x timer"; |
39bffca2 | 584 | dc->props = pxa27x_timer_dev_properties; |
999e12bb AL |
585 | } |
586 | ||
8c43a6f0 | 587 | static const TypeInfo pxa27x_timer_dev_info = { |
39bffca2 | 588 | .name = "pxa27x-timer", |
feea4361 | 589 | .parent = TYPE_PXA2XX_TIMER, |
39bffca2 AL |
590 | .instance_size = sizeof(PXA2xxTimerInfo), |
591 | .class_init = pxa27x_timer_dev_class_init, | |
797e9542 DES |
592 | }; |
593 | ||
feea4361 AF |
594 | static void pxa2xx_timer_class_init(ObjectClass *oc, void *data) |
595 | { | |
596 | DeviceClass *dc = DEVICE_CLASS(oc); | |
feea4361 | 597 | |
5d83e348 | 598 | dc->realize = pxa2xx_timer_realize; |
feea4361 AF |
599 | dc->vmsd = &vmstate_pxa2xx_timer_regs; |
600 | } | |
601 | ||
602 | static const TypeInfo pxa2xx_timer_type_info = { | |
603 | .name = TYPE_PXA2XX_TIMER, | |
604 | .parent = TYPE_SYS_BUS_DEVICE, | |
605 | .instance_size = sizeof(PXA2xxTimerInfo), | |
5d83e348 | 606 | .instance_init = pxa2xx_timer_init, |
feea4361 AF |
607 | .abstract = true, |
608 | .class_init = pxa2xx_timer_class_init, | |
609 | }; | |
610 | ||
83f7d43a | 611 | static void pxa2xx_timer_register_types(void) |
797e9542 | 612 | { |
feea4361 | 613 | type_register_static(&pxa2xx_timer_type_info); |
39bffca2 AL |
614 | type_register_static(&pxa25x_timer_dev_info); |
615 | type_register_static(&pxa27x_timer_dev_info); | |
83f7d43a AF |
616 | } |
617 | ||
618 | type_init(pxa2xx_timer_register_types) |