Commit | Line | Data |
---|---|---|
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" |
64552b6b | 11 | #include "hw/irq.h" |
a27bd6c7 | 12 | #include "hw/qdev-properties.h" |
1de7afc9 | 13 | #include "qemu/timer.h" |
54d31236 | 14 | #include "sysemu/runstate.h" |
0d09e41a | 15 | #include "hw/arm/pxa.h" |
83c9f4ca | 16 | #include "hw/sysbus.h" |
d6454270 | 17 | #include "migration/vmstate.h" |
2ba63e4a | 18 | #include "qemu/log.h" |
0b8fa32f | 19 | #include "qemu/module.h" |
a171fe39 AZ |
20 | |
21 | #define OSMR0 0x00 | |
22 | #define OSMR1 0x04 | |
23 | #define OSMR2 0x08 | |
24 | #define OSMR3 0x0c | |
25 | #define OSMR4 0x80 | |
26 | #define OSMR5 0x84 | |
27 | #define OSMR6 0x88 | |
28 | #define OSMR7 0x8c | |
29 | #define OSMR8 0x90 | |
30 | #define OSMR9 0x94 | |
31 | #define OSMR10 0x98 | |
32 | #define OSMR11 0x9c | |
33 | #define OSCR 0x10 /* OS Timer Count */ | |
34 | #define OSCR4 0x40 | |
35 | #define OSCR5 0x44 | |
36 | #define OSCR6 0x48 | |
37 | #define OSCR7 0x4c | |
38 | #define OSCR8 0x50 | |
39 | #define OSCR9 0x54 | |
40 | #define OSCR10 0x58 | |
41 | #define OSCR11 0x5c | |
42 | #define OSSR 0x14 /* Timer status register */ | |
43 | #define OWER 0x18 | |
44 | #define OIER 0x1c /* Interrupt enable register 3-0 to E3-E0 */ | |
45 | #define OMCR4 0xc0 /* OS Match Control registers */ | |
46 | #define OMCR5 0xc4 | |
47 | #define OMCR6 0xc8 | |
48 | #define OMCR7 0xcc | |
49 | #define OMCR8 0xd0 | |
50 | #define OMCR9 0xd4 | |
51 | #define OMCR10 0xd8 | |
52 | #define OMCR11 0xdc | |
53 | #define OSNR 0x20 | |
54 | ||
55 | #define PXA25X_FREQ 3686400 /* 3.6864 MHz */ | |
56 | #define PXA27X_FREQ 3250000 /* 3.25 MHz */ | |
57 | ||
58 | static int pxa2xx_timer4_freq[8] = { | |
59 | [0] = 0, | |
60 | [1] = 32768, | |
61 | [2] = 1000, | |
62 | [3] = 1, | |
63 | [4] = 1000000, | |
64 | /* [5] is the "Externally supplied clock". Assign if necessary. */ | |
65 | [5 ... 7] = 0, | |
66 | }; | |
67 | ||
feea4361 AF |
68 | #define TYPE_PXA2XX_TIMER "pxa2xx-timer" |
69 | #define PXA2XX_TIMER(obj) \ | |
70 | OBJECT_CHECK(PXA2xxTimerInfo, (obj), TYPE_PXA2XX_TIMER) | |
71 | ||
797e9542 DES |
72 | typedef struct PXA2xxTimerInfo PXA2xxTimerInfo; |
73 | ||
bc24a225 | 74 | typedef struct { |
a171fe39 | 75 | uint32_t value; |
5251d196 | 76 | qemu_irq irq; |
a171fe39 AZ |
77 | QEMUTimer *qtimer; |
78 | int num; | |
797e9542 | 79 | PXA2xxTimerInfo *info; |
bc24a225 | 80 | } PXA2xxTimer0; |
a171fe39 | 81 | |
bc24a225 PB |
82 | typedef struct { |
83 | PXA2xxTimer0 tm; | |
a171fe39 AZ |
84 | int32_t oldclock; |
85 | int32_t clock; | |
86 | uint64_t lastload; | |
87 | uint32_t freq; | |
88 | uint32_t control; | |
bc24a225 | 89 | } PXA2xxTimer4; |
a171fe39 | 90 | |
797e9542 | 91 | struct PXA2xxTimerInfo { |
feea4361 AF |
92 | SysBusDevice parent_obj; |
93 | ||
b755bde3 | 94 | MemoryRegion iomem; |
797e9542 DES |
95 | uint32_t flags; |
96 | ||
a171fe39 AZ |
97 | int32_t clock; |
98 | int32_t oldclock; | |
99 | uint64_t lastload; | |
100 | uint32_t freq; | |
bc24a225 | 101 | PXA2xxTimer0 timer[4]; |
a171fe39 AZ |
102 | uint32_t events; |
103 | uint32_t irq_enabled; | |
104 | uint32_t reset3; | |
a171fe39 | 105 | uint32_t snapshot; |
797e9542 | 106 | |
4ff927cc | 107 | qemu_irq irq4; |
797e9542 | 108 | PXA2xxTimer4 tm4[8]; |
797e9542 DES |
109 | }; |
110 | ||
111 | #define PXA2XX_TIMER_HAVE_TM4 0 | |
112 | ||
113 | static inline int pxa2xx_timer_has_tm4(PXA2xxTimerInfo *s) | |
114 | { | |
115 | return s->flags & (1 << PXA2XX_TIMER_HAVE_TM4); | |
116 | } | |
a171fe39 AZ |
117 | |
118 | static void pxa2xx_timer_update(void *opaque, uint64_t now_qemu) | |
119 | { | |
d353eb43 | 120 | PXA2xxTimerInfo *s = (PXA2xxTimerInfo *) opaque; |
a171fe39 AZ |
121 | int i; |
122 | uint32_t now_vm; | |
123 | uint64_t new_qemu; | |
124 | ||
125 | now_vm = s->clock + | |
73bcb24d | 126 | muldiv64(now_qemu - s->lastload, s->freq, NANOSECONDS_PER_SECOND); |
a171fe39 AZ |
127 | |
128 | for (i = 0; i < 4; i ++) { | |
129 | new_qemu = now_qemu + muldiv64((uint32_t) (s->timer[i].value - now_vm), | |
73bcb24d | 130 | NANOSECONDS_PER_SECOND, s->freq); |
bc72ad67 | 131 | timer_mod(s->timer[i].qtimer, new_qemu); |
a171fe39 AZ |
132 | } |
133 | } | |
134 | ||
135 | static void pxa2xx_timer_update4(void *opaque, uint64_t now_qemu, int n) | |
136 | { | |
d353eb43 | 137 | PXA2xxTimerInfo *s = (PXA2xxTimerInfo *) opaque; |
a171fe39 AZ |
138 | uint32_t now_vm; |
139 | uint64_t new_qemu; | |
140 | static const int counters[8] = { 0, 0, 0, 0, 4, 4, 6, 6 }; | |
141 | int counter; | |
142 | ||
143 | if (s->tm4[n].control & (1 << 7)) | |
144 | counter = n; | |
145 | else | |
146 | counter = counters[n]; | |
147 | ||
148 | if (!s->tm4[counter].freq) { | |
bc72ad67 | 149 | timer_del(s->tm4[n].tm.qtimer); |
a171fe39 AZ |
150 | return; |
151 | } | |
152 | ||
153 | now_vm = s->tm4[counter].clock + muldiv64(now_qemu - | |
154 | s->tm4[counter].lastload, | |
73bcb24d | 155 | s->tm4[counter].freq, NANOSECONDS_PER_SECOND); |
a171fe39 | 156 | |
3bdd58a4 | 157 | new_qemu = now_qemu + muldiv64((uint32_t) (s->tm4[n].tm.value - now_vm), |
73bcb24d | 158 | NANOSECONDS_PER_SECOND, s->tm4[counter].freq); |
bc72ad67 | 159 | timer_mod(s->tm4[n].tm.qtimer, new_qemu); |
a171fe39 AZ |
160 | } |
161 | ||
a8170e5e | 162 | static uint64_t pxa2xx_timer_read(void *opaque, hwaddr offset, |
b755bde3 | 163 | unsigned size) |
a171fe39 | 164 | { |
d353eb43 | 165 | PXA2xxTimerInfo *s = (PXA2xxTimerInfo *) opaque; |
a171fe39 AZ |
166 | int tm = 0; |
167 | ||
a171fe39 AZ |
168 | switch (offset) { |
169 | case OSMR3: tm ++; | |
de16017d | 170 | /* fall through */ |
a171fe39 | 171 | case OSMR2: tm ++; |
de16017d | 172 | /* fall through */ |
a171fe39 | 173 | case OSMR1: tm ++; |
de16017d | 174 | /* fall through */ |
a171fe39 AZ |
175 | case OSMR0: |
176 | return s->timer[tm].value; | |
177 | case OSMR11: tm ++; | |
de16017d | 178 | /* fall through */ |
a171fe39 | 179 | case OSMR10: tm ++; |
de16017d | 180 | /* fall through */ |
a171fe39 | 181 | case OSMR9: tm ++; |
de16017d | 182 | /* fall through */ |
a171fe39 | 183 | case OSMR8: tm ++; |
de16017d | 184 | /* fall through */ |
a171fe39 | 185 | case OSMR7: tm ++; |
de16017d | 186 | /* fall through */ |
a171fe39 | 187 | case OSMR6: tm ++; |
de16017d | 188 | /* fall through */ |
a171fe39 | 189 | case OSMR5: tm ++; |
de16017d | 190 | /* fall through */ |
a171fe39 | 191 | case OSMR4: |
797e9542 | 192 | if (!pxa2xx_timer_has_tm4(s)) |
a171fe39 | 193 | goto badreg; |
3bdd58a4 | 194 | return s->tm4[tm].tm.value; |
a171fe39 | 195 | case OSCR: |
bc72ad67 | 196 | return s->clock + muldiv64(qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) - |
73bcb24d | 197 | s->lastload, s->freq, NANOSECONDS_PER_SECOND); |
a171fe39 | 198 | case OSCR11: tm ++; |
de16017d | 199 | /* fall through */ |
a171fe39 | 200 | case OSCR10: tm ++; |
de16017d | 201 | /* fall through */ |
a171fe39 | 202 | case OSCR9: tm ++; |
de16017d | 203 | /* fall through */ |
a171fe39 | 204 | case OSCR8: tm ++; |
de16017d | 205 | /* fall through */ |
a171fe39 | 206 | case OSCR7: tm ++; |
de16017d | 207 | /* fall through */ |
a171fe39 | 208 | case OSCR6: tm ++; |
de16017d | 209 | /* fall through */ |
a171fe39 | 210 | case OSCR5: tm ++; |
de16017d | 211 | /* fall through */ |
a171fe39 | 212 | case OSCR4: |
797e9542 | 213 | if (!pxa2xx_timer_has_tm4(s)) |
a171fe39 AZ |
214 | goto badreg; |
215 | ||
216 | if ((tm == 9 - 4 || tm == 11 - 4) && (s->tm4[tm].control & (1 << 9))) { | |
217 | if (s->tm4[tm - 1].freq) | |
218 | s->snapshot = s->tm4[tm - 1].clock + muldiv64( | |
bc72ad67 | 219 | qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) - |
a171fe39 | 220 | s->tm4[tm - 1].lastload, |
73bcb24d | 221 | s->tm4[tm - 1].freq, NANOSECONDS_PER_SECOND); |
a171fe39 AZ |
222 | else |
223 | s->snapshot = s->tm4[tm - 1].clock; | |
224 | } | |
225 | ||
226 | if (!s->tm4[tm].freq) | |
227 | return s->tm4[tm].clock; | |
73bcb24d RS |
228 | return s->tm4[tm].clock + |
229 | muldiv64(qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) - | |
230 | s->tm4[tm].lastload, s->tm4[tm].freq, | |
231 | NANOSECONDS_PER_SECOND); | |
a171fe39 AZ |
232 | case OIER: |
233 | return s->irq_enabled; | |
234 | case OSSR: /* Status register */ | |
235 | return s->events; | |
236 | case OWER: | |
237 | return s->reset3; | |
238 | case OMCR11: tm ++; | |
de16017d | 239 | /* fall through */ |
a171fe39 | 240 | case OMCR10: tm ++; |
de16017d | 241 | /* fall through */ |
a171fe39 | 242 | case OMCR9: tm ++; |
de16017d | 243 | /* fall through */ |
a171fe39 | 244 | case OMCR8: tm ++; |
de16017d | 245 | /* fall through */ |
a171fe39 | 246 | case OMCR7: tm ++; |
de16017d | 247 | /* fall through */ |
a171fe39 | 248 | case OMCR6: tm ++; |
de16017d | 249 | /* fall through */ |
a171fe39 | 250 | case OMCR5: tm ++; |
de16017d | 251 | /* fall through */ |
a171fe39 | 252 | case OMCR4: |
797e9542 | 253 | if (!pxa2xx_timer_has_tm4(s)) |
a171fe39 AZ |
254 | goto badreg; |
255 | return s->tm4[tm].control; | |
256 | case OSNR: | |
257 | return s->snapshot; | |
258 | default: | |
2ba63e4a PMD |
259 | qemu_log_mask(LOG_UNIMP, |
260 | "%s: unknown register 0x%02" HWADDR_PRIx "\n", | |
261 | __func__, offset); | |
262 | break; | |
a171fe39 | 263 | badreg: |
2ba63e4a PMD |
264 | qemu_log_mask(LOG_GUEST_ERROR, |
265 | "%s: incorrect register 0x%02" HWADDR_PRIx "\n", | |
266 | __func__, offset); | |
a171fe39 AZ |
267 | } |
268 | ||
269 | return 0; | |
270 | } | |
271 | ||
a8170e5e | 272 | static void pxa2xx_timer_write(void *opaque, hwaddr offset, |
b755bde3 | 273 | uint64_t value, unsigned size) |
a171fe39 AZ |
274 | { |
275 | int i, tm = 0; | |
d353eb43 | 276 | PXA2xxTimerInfo *s = (PXA2xxTimerInfo *) opaque; |
a171fe39 | 277 | |
a171fe39 AZ |
278 | switch (offset) { |
279 | case OSMR3: tm ++; | |
de16017d | 280 | /* fall through */ |
a171fe39 | 281 | case OSMR2: tm ++; |
de16017d | 282 | /* fall through */ |
a171fe39 | 283 | case OSMR1: tm ++; |
de16017d | 284 | /* fall through */ |
a171fe39 AZ |
285 | case OSMR0: |
286 | s->timer[tm].value = value; | |
bc72ad67 | 287 | pxa2xx_timer_update(s, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL)); |
a171fe39 AZ |
288 | break; |
289 | case OSMR11: tm ++; | |
de16017d | 290 | /* fall through */ |
a171fe39 | 291 | case OSMR10: tm ++; |
de16017d | 292 | /* fall through */ |
a171fe39 | 293 | case OSMR9: tm ++; |
de16017d | 294 | /* fall through */ |
a171fe39 | 295 | case OSMR8: tm ++; |
de16017d | 296 | /* fall through */ |
a171fe39 | 297 | case OSMR7: tm ++; |
de16017d | 298 | /* fall through */ |
a171fe39 | 299 | case OSMR6: tm ++; |
de16017d | 300 | /* fall through */ |
a171fe39 | 301 | case OSMR5: tm ++; |
de16017d | 302 | /* fall through */ |
a171fe39 | 303 | case OSMR4: |
797e9542 | 304 | if (!pxa2xx_timer_has_tm4(s)) |
a171fe39 | 305 | goto badreg; |
3bdd58a4 | 306 | s->tm4[tm].tm.value = value; |
bc72ad67 | 307 | pxa2xx_timer_update4(s, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL), tm); |
a171fe39 AZ |
308 | break; |
309 | case OSCR: | |
310 | s->oldclock = s->clock; | |
bc72ad67 | 311 | s->lastload = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); |
a171fe39 AZ |
312 | s->clock = value; |
313 | pxa2xx_timer_update(s, s->lastload); | |
314 | break; | |
315 | case OSCR11: tm ++; | |
de16017d | 316 | /* fall through */ |
a171fe39 | 317 | case OSCR10: tm ++; |
de16017d | 318 | /* fall through */ |
a171fe39 | 319 | case OSCR9: tm ++; |
de16017d | 320 | /* fall through */ |
a171fe39 | 321 | case OSCR8: tm ++; |
de16017d | 322 | /* fall through */ |
a171fe39 | 323 | case OSCR7: tm ++; |
de16017d | 324 | /* fall through */ |
a171fe39 | 325 | case OSCR6: tm ++; |
de16017d | 326 | /* fall through */ |
a171fe39 | 327 | case OSCR5: tm ++; |
de16017d | 328 | /* fall through */ |
a171fe39 | 329 | case OSCR4: |
797e9542 | 330 | if (!pxa2xx_timer_has_tm4(s)) |
a171fe39 AZ |
331 | goto badreg; |
332 | s->tm4[tm].oldclock = s->tm4[tm].clock; | |
bc72ad67 | 333 | s->tm4[tm].lastload = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); |
a171fe39 AZ |
334 | s->tm4[tm].clock = value; |
335 | pxa2xx_timer_update4(s, s->tm4[tm].lastload, tm); | |
336 | break; | |
337 | case OIER: | |
338 | s->irq_enabled = value & 0xfff; | |
339 | break; | |
340 | case OSSR: /* Status register */ | |
8034ce7d | 341 | value &= s->events; |
a171fe39 | 342 | s->events &= ~value; |
8034ce7d AZ |
343 | for (i = 0; i < 4; i ++, value >>= 1) |
344 | if (value & 1) | |
5251d196 | 345 | qemu_irq_lower(s->timer[i].irq); |
8034ce7d AZ |
346 | if (pxa2xx_timer_has_tm4(s) && !(s->events & 0xff0) && value) |
347 | qemu_irq_lower(s->irq4); | |
a171fe39 AZ |
348 | break; |
349 | case OWER: /* XXX: Reset on OSMR3 match? */ | |
350 | s->reset3 = value; | |
351 | break; | |
352 | case OMCR7: tm ++; | |
de16017d | 353 | /* fall through */ |
a171fe39 | 354 | case OMCR6: tm ++; |
de16017d | 355 | /* fall through */ |
a171fe39 | 356 | case OMCR5: tm ++; |
de16017d | 357 | /* fall through */ |
a171fe39 | 358 | case OMCR4: |
797e9542 | 359 | if (!pxa2xx_timer_has_tm4(s)) |
a171fe39 AZ |
360 | goto badreg; |
361 | s->tm4[tm].control = value & 0x0ff; | |
362 | /* XXX Stop if running (shouldn't happen) */ | |
363 | if ((value & (1 << 7)) || tm == 0) | |
364 | s->tm4[tm].freq = pxa2xx_timer4_freq[value & 7]; | |
365 | else { | |
366 | s->tm4[tm].freq = 0; | |
bc72ad67 | 367 | pxa2xx_timer_update4(s, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL), tm); |
a171fe39 AZ |
368 | } |
369 | break; | |
370 | case OMCR11: tm ++; | |
de16017d | 371 | /* fall through */ |
a171fe39 | 372 | case OMCR10: tm ++; |
de16017d | 373 | /* fall through */ |
a171fe39 | 374 | case OMCR9: tm ++; |
de16017d | 375 | /* fall through */ |
a171fe39 | 376 | case OMCR8: tm += 4; |
797e9542 | 377 | if (!pxa2xx_timer_has_tm4(s)) |
a171fe39 AZ |
378 | goto badreg; |
379 | s->tm4[tm].control = value & 0x3ff; | |
380 | /* XXX Stop if running (shouldn't happen) */ | |
381 | if ((value & (1 << 7)) || !(tm & 1)) | |
382 | s->tm4[tm].freq = | |
383 | pxa2xx_timer4_freq[(value & (1 << 8)) ? 0 : (value & 7)]; | |
384 | else { | |
385 | s->tm4[tm].freq = 0; | |
bc72ad67 | 386 | pxa2xx_timer_update4(s, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL), tm); |
a171fe39 AZ |
387 | } |
388 | break; | |
389 | default: | |
2ba63e4a PMD |
390 | qemu_log_mask(LOG_UNIMP, |
391 | "%s: unknown register 0x%02" HWADDR_PRIx " " | |
392 | "(value 0x%08" PRIx64 ")\n", __func__, offset, value); | |
393 | break; | |
a171fe39 | 394 | badreg: |
2ba63e4a PMD |
395 | qemu_log_mask(LOG_GUEST_ERROR, |
396 | "%s: incorrect register 0x%02" HWADDR_PRIx " " | |
397 | "(value 0x%08" PRIx64 ")\n", __func__, offset, value); | |
a171fe39 AZ |
398 | } |
399 | } | |
400 | ||
b755bde3 BC |
401 | static const MemoryRegionOps pxa2xx_timer_ops = { |
402 | .read = pxa2xx_timer_read, | |
403 | .write = pxa2xx_timer_write, | |
404 | .endianness = DEVICE_NATIVE_ENDIAN, | |
a171fe39 AZ |
405 | }; |
406 | ||
407 | static void pxa2xx_timer_tick(void *opaque) | |
408 | { | |
bc24a225 | 409 | PXA2xxTimer0 *t = (PXA2xxTimer0 *) opaque; |
797e9542 | 410 | PXA2xxTimerInfo *i = t->info; |
a171fe39 AZ |
411 | |
412 | if (i->irq_enabled & (1 << t->num)) { | |
a171fe39 | 413 | i->events |= 1 << t->num; |
5251d196 | 414 | qemu_irq_raise(t->irq); |
a171fe39 AZ |
415 | } |
416 | ||
417 | if (t->num == 3) | |
418 | if (i->reset3 & 1) { | |
419 | i->reset3 = 0; | |
cf83f140 | 420 | qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET); |
a171fe39 AZ |
421 | } |
422 | } | |
423 | ||
424 | static void pxa2xx_timer_tick4(void *opaque) | |
425 | { | |
bc24a225 | 426 | PXA2xxTimer4 *t = (PXA2xxTimer4 *) opaque; |
d353eb43 | 427 | PXA2xxTimerInfo *i = (PXA2xxTimerInfo *) t->tm.info; |
a171fe39 | 428 | |
3bdd58a4 | 429 | pxa2xx_timer_tick(&t->tm); |
a171fe39 AZ |
430 | if (t->control & (1 << 3)) |
431 | t->clock = 0; | |
432 | if (t->control & (1 << 6)) | |
bc72ad67 | 433 | pxa2xx_timer_update4(i, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL), t->tm.num - 4); |
4ff927cc DES |
434 | if (i->events & 0xff0) |
435 | qemu_irq_raise(i->irq4); | |
a171fe39 AZ |
436 | } |
437 | ||
797e9542 | 438 | static int pxa25x_timer_post_load(void *opaque, int version_id) |
aa941b94 | 439 | { |
d353eb43 | 440 | PXA2xxTimerInfo *s = (PXA2xxTimerInfo *) opaque; |
aa941b94 AZ |
441 | int64_t now; |
442 | int i; | |
443 | ||
bc72ad67 | 444 | now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); |
aa941b94 AZ |
445 | pxa2xx_timer_update(s, now); |
446 | ||
797e9542 DES |
447 | if (pxa2xx_timer_has_tm4(s)) |
448 | for (i = 0; i < 8; i ++) | |
aa941b94 | 449 | pxa2xx_timer_update4(s, now, i); |
aa941b94 AZ |
450 | |
451 | return 0; | |
452 | } | |
453 | ||
5d83e348 | 454 | static void pxa2xx_timer_init(Object *obj) |
a171fe39 | 455 | { |
5d83e348 XZ |
456 | PXA2xxTimerInfo *s = PXA2XX_TIMER(obj); |
457 | SysBusDevice *dev = SYS_BUS_DEVICE(obj); | |
a171fe39 | 458 | |
a171fe39 AZ |
459 | s->irq_enabled = 0; |
460 | s->oldclock = 0; | |
461 | s->clock = 0; | |
bc72ad67 | 462 | s->lastload = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); |
a171fe39 | 463 | s->reset3 = 0; |
a171fe39 | 464 | |
5d83e348 XZ |
465 | memory_region_init_io(&s->iomem, obj, &pxa2xx_timer_ops, s, |
466 | "pxa2xx-timer", 0x00001000); | |
467 | sysbus_init_mmio(dev, &s->iomem); | |
468 | } | |
469 | ||
470 | static void pxa2xx_timer_realize(DeviceState *dev, Error **errp) | |
471 | { | |
472 | PXA2xxTimerInfo *s = PXA2XX_TIMER(dev); | |
473 | SysBusDevice *sbd = SYS_BUS_DEVICE(dev); | |
474 | int i; | |
475 | ||
a171fe39 AZ |
476 | for (i = 0; i < 4; i ++) { |
477 | s->timer[i].value = 0; | |
5d83e348 | 478 | sysbus_init_irq(sbd, &s->timer[i].irq); |
a171fe39 AZ |
479 | s->timer[i].info = s; |
480 | s->timer[i].num = i; | |
bc72ad67 | 481 | s->timer[i].qtimer = timer_new_ns(QEMU_CLOCK_VIRTUAL, |
5d83e348 | 482 | pxa2xx_timer_tick, &s->timer[i]); |
a171fe39 | 483 | } |
5d83e348 | 484 | |
797e9542 | 485 | if (s->flags & (1 << PXA2XX_TIMER_HAVE_TM4)) { |
5d83e348 | 486 | sysbus_init_irq(sbd, &s->irq4); |
797e9542 DES |
487 | |
488 | for (i = 0; i < 8; i ++) { | |
489 | s->tm4[i].tm.value = 0; | |
490 | s->tm4[i].tm.info = s; | |
491 | s->tm4[i].tm.num = i + 4; | |
797e9542 DES |
492 | s->tm4[i].freq = 0; |
493 | s->tm4[i].control = 0x0; | |
bc72ad67 | 494 | s->tm4[i].tm.qtimer = timer_new_ns(QEMU_CLOCK_VIRTUAL, |
5d83e348 | 495 | pxa2xx_timer_tick4, &s->tm4[i]); |
797e9542 DES |
496 | } |
497 | } | |
a171fe39 AZ |
498 | } |
499 | ||
797e9542 DES |
500 | static const VMStateDescription vmstate_pxa2xx_timer0_regs = { |
501 | .name = "pxa2xx_timer0", | |
8034ce7d AZ |
502 | .version_id = 2, |
503 | .minimum_version_id = 2, | |
797e9542 DES |
504 | .fields = (VMStateField[]) { |
505 | VMSTATE_UINT32(value, PXA2xxTimer0), | |
797e9542 DES |
506 | VMSTATE_END_OF_LIST(), |
507 | }, | |
508 | }; | |
509 | ||
510 | static const VMStateDescription vmstate_pxa2xx_timer4_regs = { | |
511 | .name = "pxa2xx_timer4", | |
512 | .version_id = 1, | |
513 | .minimum_version_id = 1, | |
797e9542 DES |
514 | .fields = (VMStateField[]) { |
515 | VMSTATE_STRUCT(tm, PXA2xxTimer4, 1, | |
516 | vmstate_pxa2xx_timer0_regs, PXA2xxTimer0), | |
517 | VMSTATE_INT32(oldclock, PXA2xxTimer4), | |
518 | VMSTATE_INT32(clock, PXA2xxTimer4), | |
519 | VMSTATE_UINT64(lastload, PXA2xxTimer4), | |
520 | VMSTATE_UINT32(freq, PXA2xxTimer4), | |
521 | VMSTATE_UINT32(control, PXA2xxTimer4), | |
522 | VMSTATE_END_OF_LIST(), | |
523 | }, | |
524 | }; | |
525 | ||
526 | static bool pxa2xx_timer_has_tm4_test(void *opaque, int version_id) | |
a171fe39 | 527 | { |
797e9542 | 528 | return pxa2xx_timer_has_tm4(opaque); |
a171fe39 AZ |
529 | } |
530 | ||
797e9542 DES |
531 | static const VMStateDescription vmstate_pxa2xx_timer_regs = { |
532 | .name = "pxa2xx_timer", | |
533 | .version_id = 1, | |
534 | .minimum_version_id = 1, | |
797e9542 DES |
535 | .post_load = pxa25x_timer_post_load, |
536 | .fields = (VMStateField[]) { | |
537 | VMSTATE_INT32(clock, PXA2xxTimerInfo), | |
538 | VMSTATE_INT32(oldclock, PXA2xxTimerInfo), | |
539 | VMSTATE_UINT64(lastload, PXA2xxTimerInfo), | |
540 | VMSTATE_STRUCT_ARRAY(timer, PXA2xxTimerInfo, 4, 1, | |
541 | vmstate_pxa2xx_timer0_regs, PXA2xxTimer0), | |
542 | VMSTATE_UINT32(events, PXA2xxTimerInfo), | |
543 | VMSTATE_UINT32(irq_enabled, PXA2xxTimerInfo), | |
544 | VMSTATE_UINT32(reset3, PXA2xxTimerInfo), | |
545 | VMSTATE_UINT32(snapshot, PXA2xxTimerInfo), | |
546 | VMSTATE_STRUCT_ARRAY_TEST(tm4, PXA2xxTimerInfo, 8, | |
547 | pxa2xx_timer_has_tm4_test, 0, | |
548 | vmstate_pxa2xx_timer4_regs, PXA2xxTimer4), | |
549 | VMSTATE_END_OF_LIST(), | |
a171fe39 | 550 | } |
797e9542 DES |
551 | }; |
552 | ||
999e12bb AL |
553 | static Property pxa25x_timer_dev_properties[] = { |
554 | DEFINE_PROP_UINT32("freq", PXA2xxTimerInfo, freq, PXA25X_FREQ), | |
555 | DEFINE_PROP_BIT("tm4", PXA2xxTimerInfo, flags, | |
feea4361 | 556 | PXA2XX_TIMER_HAVE_TM4, false), |
999e12bb | 557 | DEFINE_PROP_END_OF_LIST(), |
797e9542 DES |
558 | }; |
559 | ||
999e12bb AL |
560 | static void pxa25x_timer_dev_class_init(ObjectClass *klass, void *data) |
561 | { | |
39bffca2 | 562 | DeviceClass *dc = DEVICE_CLASS(klass); |
999e12bb | 563 | |
39bffca2 | 564 | dc->desc = "PXA25x timer"; |
39bffca2 | 565 | dc->props = pxa25x_timer_dev_properties; |
999e12bb AL |
566 | } |
567 | ||
8c43a6f0 | 568 | static const TypeInfo pxa25x_timer_dev_info = { |
39bffca2 | 569 | .name = "pxa25x-timer", |
feea4361 | 570 | .parent = TYPE_PXA2XX_TIMER, |
39bffca2 AL |
571 | .instance_size = sizeof(PXA2xxTimerInfo), |
572 | .class_init = pxa25x_timer_dev_class_init, | |
999e12bb AL |
573 | }; |
574 | ||
575 | static Property pxa27x_timer_dev_properties[] = { | |
576 | DEFINE_PROP_UINT32("freq", PXA2xxTimerInfo, freq, PXA27X_FREQ), | |
577 | DEFINE_PROP_BIT("tm4", PXA2xxTimerInfo, flags, | |
feea4361 | 578 | PXA2XX_TIMER_HAVE_TM4, true), |
999e12bb AL |
579 | DEFINE_PROP_END_OF_LIST(), |
580 | }; | |
581 | ||
582 | static void pxa27x_timer_dev_class_init(ObjectClass *klass, void *data) | |
583 | { | |
39bffca2 | 584 | DeviceClass *dc = DEVICE_CLASS(klass); |
999e12bb | 585 | |
39bffca2 | 586 | dc->desc = "PXA27x timer"; |
39bffca2 | 587 | dc->props = pxa27x_timer_dev_properties; |
999e12bb AL |
588 | } |
589 | ||
8c43a6f0 | 590 | static const TypeInfo pxa27x_timer_dev_info = { |
39bffca2 | 591 | .name = "pxa27x-timer", |
feea4361 | 592 | .parent = TYPE_PXA2XX_TIMER, |
39bffca2 AL |
593 | .instance_size = sizeof(PXA2xxTimerInfo), |
594 | .class_init = pxa27x_timer_dev_class_init, | |
797e9542 DES |
595 | }; |
596 | ||
feea4361 AF |
597 | static void pxa2xx_timer_class_init(ObjectClass *oc, void *data) |
598 | { | |
599 | DeviceClass *dc = DEVICE_CLASS(oc); | |
feea4361 | 600 | |
5d83e348 | 601 | dc->realize = pxa2xx_timer_realize; |
feea4361 AF |
602 | dc->vmsd = &vmstate_pxa2xx_timer_regs; |
603 | } | |
604 | ||
605 | static const TypeInfo pxa2xx_timer_type_info = { | |
606 | .name = TYPE_PXA2XX_TIMER, | |
607 | .parent = TYPE_SYS_BUS_DEVICE, | |
608 | .instance_size = sizeof(PXA2xxTimerInfo), | |
5d83e348 | 609 | .instance_init = pxa2xx_timer_init, |
feea4361 AF |
610 | .abstract = true, |
611 | .class_init = pxa2xx_timer_class_init, | |
612 | }; | |
613 | ||
83f7d43a | 614 | static void pxa2xx_timer_register_types(void) |
797e9542 | 615 | { |
feea4361 | 616 | type_register_static(&pxa2xx_timer_type_info); |
39bffca2 AL |
617 | type_register_static(&pxa25x_timer_dev_info); |
618 | type_register_static(&pxa27x_timer_dev_info); | |
83f7d43a AF |
619 | } |
620 | ||
621 | type_init(pxa2xx_timer_register_types) |