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Commit | Line | Data |
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9ee6e8bb | 1 | /* |
1654b2d6 | 2 | * Luminary Micro Stellaris peripherals |
9ee6e8bb PB |
3 | * |
4 | * Copyright (c) 2006 CodeSourcery. | |
5 | * Written by Paul Brook | |
6 | * | |
8e31bf38 | 7 | * This code is licensed under the GPL. |
9ee6e8bb PB |
8 | */ |
9 | ||
12b16722 | 10 | #include "qemu/osdep.h" |
da34e65c | 11 | #include "qapi/error.h" |
83c9f4ca | 12 | #include "hw/sysbus.h" |
8fd06719 | 13 | #include "hw/ssi/ssi.h" |
12ec8bd5 | 14 | #include "hw/arm/boot.h" |
1de7afc9 | 15 | #include "qemu/timer.h" |
0d09e41a | 16 | #include "hw/i2c/i2c.h" |
1422e32d | 17 | #include "net/net.h" |
83c9f4ca | 18 | #include "hw/boards.h" |
03dd024f | 19 | #include "qemu/log.h" |
022c62cb | 20 | #include "exec/address-spaces.h" |
54d31236 | 21 | #include "sysemu/runstate.h" |
d69ffb5b | 22 | #include "sysemu/sysemu.h" |
f04d4465 | 23 | #include "hw/arm/armv7m.h" |
f0d1d2c1 | 24 | #include "hw/char/pl011.h" |
98fa3327 | 25 | #include "hw/input/gamepad.h" |
64552b6b | 26 | #include "hw/irq.h" |
566528f8 | 27 | #include "hw/watchdog/cmsdk-apb-watchdog.h" |
d6454270 | 28 | #include "migration/vmstate.h" |
aecfbbc9 | 29 | #include "hw/misc/unimp.h" |
ba1ba5cc | 30 | #include "cpu.h" |
9ee6e8bb | 31 | |
cf0dbb21 PB |
32 | #define GPIO_A 0 |
33 | #define GPIO_B 1 | |
34 | #define GPIO_C 2 | |
35 | #define GPIO_D 3 | |
36 | #define GPIO_E 4 | |
37 | #define GPIO_F 5 | |
38 | #define GPIO_G 6 | |
39 | ||
40 | #define BP_OLED_I2C 0x01 | |
41 | #define BP_OLED_SSI 0x02 | |
42 | #define BP_GAMEPAD 0x04 | |
43 | ||
8b47b7da AF |
44 | #define NUM_IRQ_LINES 64 |
45 | ||
9ee6e8bb PB |
46 | typedef const struct { |
47 | const char *name; | |
48 | uint32_t did0; | |
49 | uint32_t did1; | |
50 | uint32_t dc0; | |
51 | uint32_t dc1; | |
52 | uint32_t dc2; | |
53 | uint32_t dc3; | |
54 | uint32_t dc4; | |
cf0dbb21 | 55 | uint32_t peripherals; |
9ee6e8bb PB |
56 | } stellaris_board_info; |
57 | ||
58 | /* General purpose timer module. */ | |
59 | ||
8ef1d394 AF |
60 | #define TYPE_STELLARIS_GPTM "stellaris-gptm" |
61 | #define STELLARIS_GPTM(obj) \ | |
62 | OBJECT_CHECK(gptm_state, (obj), TYPE_STELLARIS_GPTM) | |
63 | ||
9ee6e8bb | 64 | typedef struct gptm_state { |
8ef1d394 AF |
65 | SysBusDevice parent_obj; |
66 | ||
2443fa27 | 67 | MemoryRegion iomem; |
9ee6e8bb PB |
68 | uint32_t config; |
69 | uint32_t mode[2]; | |
70 | uint32_t control; | |
71 | uint32_t state; | |
72 | uint32_t mask; | |
73 | uint32_t load[2]; | |
74 | uint32_t match[2]; | |
75 | uint32_t prescale[2]; | |
76 | uint32_t match_prescale[2]; | |
77 | uint32_t rtc; | |
78 | int64_t tick[2]; | |
79 | struct gptm_state *opaque[2]; | |
9ee6e8bb PB |
80 | QEMUTimer *timer[2]; |
81 | /* The timers have an alternate output used to trigger the ADC. */ | |
82 | qemu_irq trigger; | |
83 | qemu_irq irq; | |
84 | } gptm_state; | |
85 | ||
86 | static void gptm_update_irq(gptm_state *s) | |
87 | { | |
88 | int level; | |
89 | level = (s->state & s->mask) != 0; | |
90 | qemu_set_irq(s->irq, level); | |
91 | } | |
92 | ||
93 | static void gptm_stop(gptm_state *s, int n) | |
94 | { | |
bc72ad67 | 95 | timer_del(s->timer[n]); |
9ee6e8bb PB |
96 | } |
97 | ||
98 | static void gptm_reload(gptm_state *s, int n, int reset) | |
99 | { | |
100 | int64_t tick; | |
101 | if (reset) | |
bc72ad67 | 102 | tick = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); |
9ee6e8bb PB |
103 | else |
104 | tick = s->tick[n]; | |
105 | ||
106 | if (s->config == 0) { | |
107 | /* 32-bit CountDown. */ | |
108 | uint32_t count; | |
109 | count = s->load[0] | (s->load[1] << 16); | |
e57ec016 | 110 | tick += (int64_t)count * system_clock_scale; |
9ee6e8bb PB |
111 | } else if (s->config == 1) { |
112 | /* 32-bit RTC. 1Hz tick. */ | |
73bcb24d | 113 | tick += NANOSECONDS_PER_SECOND; |
9ee6e8bb PB |
114 | } else if (s->mode[n] == 0xa) { |
115 | /* PWM mode. Not implemented. */ | |
116 | } else { | |
df3692e0 PM |
117 | qemu_log_mask(LOG_UNIMP, |
118 | "GPTM: 16-bit timer mode unimplemented: 0x%x\n", | |
119 | s->mode[n]); | |
120 | return; | |
9ee6e8bb PB |
121 | } |
122 | s->tick[n] = tick; | |
bc72ad67 | 123 | timer_mod(s->timer[n], tick); |
9ee6e8bb PB |
124 | } |
125 | ||
126 | static void gptm_tick(void *opaque) | |
127 | { | |
128 | gptm_state **p = (gptm_state **)opaque; | |
129 | gptm_state *s; | |
130 | int n; | |
131 | ||
132 | s = *p; | |
133 | n = p - s->opaque; | |
134 | if (s->config == 0) { | |
135 | s->state |= 1; | |
136 | if ((s->control & 0x20)) { | |
137 | /* Output trigger. */ | |
7d37435b | 138 | qemu_irq_pulse(s->trigger); |
9ee6e8bb PB |
139 | } |
140 | if (s->mode[0] & 1) { | |
141 | /* One-shot. */ | |
142 | s->control &= ~1; | |
143 | } else { | |
144 | /* Periodic. */ | |
145 | gptm_reload(s, 0, 0); | |
146 | } | |
147 | } else if (s->config == 1) { | |
148 | /* RTC. */ | |
149 | uint32_t match; | |
150 | s->rtc++; | |
151 | match = s->match[0] | (s->match[1] << 16); | |
152 | if (s->rtc > match) | |
153 | s->rtc = 0; | |
154 | if (s->rtc == 0) { | |
155 | s->state |= 8; | |
156 | } | |
157 | gptm_reload(s, 0, 0); | |
158 | } else if (s->mode[n] == 0xa) { | |
159 | /* PWM mode. Not implemented. */ | |
160 | } else { | |
df3692e0 PM |
161 | qemu_log_mask(LOG_UNIMP, |
162 | "GPTM: 16-bit timer mode unimplemented: 0x%x\n", | |
163 | s->mode[n]); | |
9ee6e8bb PB |
164 | } |
165 | gptm_update_irq(s); | |
166 | } | |
167 | ||
a8170e5e | 168 | static uint64_t gptm_read(void *opaque, hwaddr offset, |
2443fa27 | 169 | unsigned size) |
9ee6e8bb PB |
170 | { |
171 | gptm_state *s = (gptm_state *)opaque; | |
172 | ||
9ee6e8bb PB |
173 | switch (offset) { |
174 | case 0x00: /* CFG */ | |
175 | return s->config; | |
176 | case 0x04: /* TAMR */ | |
177 | return s->mode[0]; | |
178 | case 0x08: /* TBMR */ | |
179 | return s->mode[1]; | |
180 | case 0x0c: /* CTL */ | |
181 | return s->control; | |
182 | case 0x18: /* IMR */ | |
183 | return s->mask; | |
184 | case 0x1c: /* RIS */ | |
185 | return s->state; | |
186 | case 0x20: /* MIS */ | |
187 | return s->state & s->mask; | |
188 | case 0x24: /* CR */ | |
189 | return 0; | |
190 | case 0x28: /* TAILR */ | |
191 | return s->load[0] | ((s->config < 4) ? (s->load[1] << 16) : 0); | |
192 | case 0x2c: /* TBILR */ | |
193 | return s->load[1]; | |
194 | case 0x30: /* TAMARCHR */ | |
195 | return s->match[0] | ((s->config < 4) ? (s->match[1] << 16) : 0); | |
196 | case 0x34: /* TBMATCHR */ | |
197 | return s->match[1]; | |
198 | case 0x38: /* TAPR */ | |
199 | return s->prescale[0]; | |
200 | case 0x3c: /* TBPR */ | |
201 | return s->prescale[1]; | |
202 | case 0x40: /* TAPMR */ | |
203 | return s->match_prescale[0]; | |
204 | case 0x44: /* TBPMR */ | |
205 | return s->match_prescale[1]; | |
206 | case 0x48: /* TAR */ | |
1a791721 | 207 | if (s->config == 1) { |
9ee6e8bb | 208 | return s->rtc; |
1a791721 PM |
209 | } |
210 | qemu_log_mask(LOG_UNIMP, | |
9492e4b2 | 211 | "GPTM: read of TAR but timer read not supported\n"); |
1a791721 | 212 | return 0; |
9ee6e8bb | 213 | case 0x4c: /* TBR */ |
1a791721 | 214 | qemu_log_mask(LOG_UNIMP, |
9492e4b2 | 215 | "GPTM: read of TBR but timer read not supported\n"); |
1a791721 | 216 | return 0; |
9ee6e8bb | 217 | default: |
1a791721 | 218 | qemu_log_mask(LOG_GUEST_ERROR, |
d29183d3 PMD |
219 | "GPTM: read at bad offset 0x02%" HWADDR_PRIx "\n", |
220 | offset); | |
9ee6e8bb PB |
221 | return 0; |
222 | } | |
223 | } | |
224 | ||
a8170e5e | 225 | static void gptm_write(void *opaque, hwaddr offset, |
2443fa27 | 226 | uint64_t value, unsigned size) |
9ee6e8bb PB |
227 | { |
228 | gptm_state *s = (gptm_state *)opaque; | |
229 | uint32_t oldval; | |
230 | ||
9ee6e8bb PB |
231 | /* The timers should be disabled before changing the configuration. |
232 | We take advantage of this and defer everything until the timer | |
233 | is enabled. */ | |
234 | switch (offset) { | |
235 | case 0x00: /* CFG */ | |
236 | s->config = value; | |
237 | break; | |
238 | case 0x04: /* TAMR */ | |
239 | s->mode[0] = value; | |
240 | break; | |
241 | case 0x08: /* TBMR */ | |
242 | s->mode[1] = value; | |
243 | break; | |
244 | case 0x0c: /* CTL */ | |
245 | oldval = s->control; | |
246 | s->control = value; | |
247 | /* TODO: Implement pause. */ | |
248 | if ((oldval ^ value) & 1) { | |
249 | if (value & 1) { | |
250 | gptm_reload(s, 0, 1); | |
251 | } else { | |
252 | gptm_stop(s, 0); | |
253 | } | |
254 | } | |
255 | if (((oldval ^ value) & 0x100) && s->config >= 4) { | |
256 | if (value & 0x100) { | |
257 | gptm_reload(s, 1, 1); | |
258 | } else { | |
259 | gptm_stop(s, 1); | |
260 | } | |
261 | } | |
262 | break; | |
263 | case 0x18: /* IMR */ | |
264 | s->mask = value & 0x77; | |
265 | gptm_update_irq(s); | |
266 | break; | |
267 | case 0x24: /* CR */ | |
268 | s->state &= ~value; | |
269 | break; | |
270 | case 0x28: /* TAILR */ | |
271 | s->load[0] = value & 0xffff; | |
272 | if (s->config < 4) { | |
273 | s->load[1] = value >> 16; | |
274 | } | |
275 | break; | |
276 | case 0x2c: /* TBILR */ | |
277 | s->load[1] = value & 0xffff; | |
278 | break; | |
279 | case 0x30: /* TAMARCHR */ | |
280 | s->match[0] = value & 0xffff; | |
281 | if (s->config < 4) { | |
282 | s->match[1] = value >> 16; | |
283 | } | |
284 | break; | |
285 | case 0x34: /* TBMATCHR */ | |
286 | s->match[1] = value >> 16; | |
287 | break; | |
288 | case 0x38: /* TAPR */ | |
289 | s->prescale[0] = value; | |
290 | break; | |
291 | case 0x3c: /* TBPR */ | |
292 | s->prescale[1] = value; | |
293 | break; | |
294 | case 0x40: /* TAPMR */ | |
295 | s->match_prescale[0] = value; | |
296 | break; | |
297 | case 0x44: /* TBPMR */ | |
298 | s->match_prescale[0] = value; | |
299 | break; | |
300 | default: | |
df3692e0 | 301 | qemu_log_mask(LOG_GUEST_ERROR, |
d29183d3 PMD |
302 | "GPTM: write at bad offset 0x02%" HWADDR_PRIx "\n", |
303 | offset); | |
9ee6e8bb PB |
304 | } |
305 | gptm_update_irq(s); | |
306 | } | |
307 | ||
2443fa27 BC |
308 | static const MemoryRegionOps gptm_ops = { |
309 | .read = gptm_read, | |
310 | .write = gptm_write, | |
311 | .endianness = DEVICE_NATIVE_ENDIAN, | |
9ee6e8bb PB |
312 | }; |
313 | ||
10f85a29 JQ |
314 | static const VMStateDescription vmstate_stellaris_gptm = { |
315 | .name = "stellaris_gptm", | |
316 | .version_id = 1, | |
317 | .minimum_version_id = 1, | |
8f1e884b | 318 | .fields = (VMStateField[]) { |
10f85a29 JQ |
319 | VMSTATE_UINT32(config, gptm_state), |
320 | VMSTATE_UINT32_ARRAY(mode, gptm_state, 2), | |
321 | VMSTATE_UINT32(control, gptm_state), | |
322 | VMSTATE_UINT32(state, gptm_state), | |
323 | VMSTATE_UINT32(mask, gptm_state), | |
dd8a4dcd | 324 | VMSTATE_UNUSED(8), |
10f85a29 JQ |
325 | VMSTATE_UINT32_ARRAY(load, gptm_state, 2), |
326 | VMSTATE_UINT32_ARRAY(match, gptm_state, 2), | |
327 | VMSTATE_UINT32_ARRAY(prescale, gptm_state, 2), | |
328 | VMSTATE_UINT32_ARRAY(match_prescale, gptm_state, 2), | |
329 | VMSTATE_UINT32(rtc, gptm_state), | |
330 | VMSTATE_INT64_ARRAY(tick, gptm_state, 2), | |
e720677e | 331 | VMSTATE_TIMER_PTR_ARRAY(timer, gptm_state, 2), |
10f85a29 JQ |
332 | VMSTATE_END_OF_LIST() |
333 | } | |
334 | }; | |
23e39294 | 335 | |
15c4fff5 | 336 | static void stellaris_gptm_init(Object *obj) |
9ee6e8bb | 337 | { |
15c4fff5 XZ |
338 | DeviceState *dev = DEVICE(obj); |
339 | gptm_state *s = STELLARIS_GPTM(obj); | |
340 | SysBusDevice *sbd = SYS_BUS_DEVICE(obj); | |
9ee6e8bb | 341 | |
8ef1d394 AF |
342 | sysbus_init_irq(sbd, &s->irq); |
343 | qdev_init_gpio_out(dev, &s->trigger, 1); | |
9ee6e8bb | 344 | |
15c4fff5 | 345 | memory_region_init_io(&s->iomem, obj, &gptm_ops, s, |
2443fa27 | 346 | "gptm", 0x1000); |
8ef1d394 | 347 | sysbus_init_mmio(sbd, &s->iomem); |
40905a6a PB |
348 | |
349 | s->opaque[0] = s->opaque[1] = s; | |
af6c91b4 PN |
350 | } |
351 | ||
352 | static void stellaris_gptm_realize(DeviceState *dev, Error **errp) | |
353 | { | |
354 | gptm_state *s = STELLARIS_GPTM(dev); | |
bc72ad67 AB |
355 | s->timer[0] = timer_new_ns(QEMU_CLOCK_VIRTUAL, gptm_tick, &s->opaque[0]); |
356 | s->timer[1] = timer_new_ns(QEMU_CLOCK_VIRTUAL, gptm_tick, &s->opaque[1]); | |
9ee6e8bb PB |
357 | } |
358 | ||
9ee6e8bb PB |
359 | /* System controller. */ |
360 | ||
361 | typedef struct { | |
5699301f | 362 | MemoryRegion iomem; |
9ee6e8bb PB |
363 | uint32_t pborctl; |
364 | uint32_t ldopctl; | |
365 | uint32_t int_status; | |
366 | uint32_t int_mask; | |
367 | uint32_t resc; | |
368 | uint32_t rcc; | |
dc804ab7 | 369 | uint32_t rcc2; |
9ee6e8bb PB |
370 | uint32_t rcgc[3]; |
371 | uint32_t scgc[3]; | |
372 | uint32_t dcgc[3]; | |
373 | uint32_t clkvclr; | |
374 | uint32_t ldoarst; | |
eea589cc PB |
375 | uint32_t user0; |
376 | uint32_t user1; | |
9ee6e8bb PB |
377 | qemu_irq irq; |
378 | stellaris_board_info *board; | |
379 | } ssys_state; | |
380 | ||
381 | static void ssys_update(ssys_state *s) | |
382 | { | |
383 | qemu_set_irq(s->irq, (s->int_status & s->int_mask) != 0); | |
384 | } | |
385 | ||
386 | static uint32_t pllcfg_sandstorm[16] = { | |
387 | 0x31c0, /* 1 Mhz */ | |
388 | 0x1ae0, /* 1.8432 Mhz */ | |
389 | 0x18c0, /* 2 Mhz */ | |
390 | 0xd573, /* 2.4576 Mhz */ | |
391 | 0x37a6, /* 3.57954 Mhz */ | |
392 | 0x1ae2, /* 3.6864 Mhz */ | |
393 | 0x0c40, /* 4 Mhz */ | |
394 | 0x98bc, /* 4.906 Mhz */ | |
395 | 0x935b, /* 4.9152 Mhz */ | |
396 | 0x09c0, /* 5 Mhz */ | |
397 | 0x4dee, /* 5.12 Mhz */ | |
398 | 0x0c41, /* 6 Mhz */ | |
399 | 0x75db, /* 6.144 Mhz */ | |
400 | 0x1ae6, /* 7.3728 Mhz */ | |
401 | 0x0600, /* 8 Mhz */ | |
402 | 0x585b /* 8.192 Mhz */ | |
403 | }; | |
404 | ||
405 | static uint32_t pllcfg_fury[16] = { | |
406 | 0x3200, /* 1 Mhz */ | |
407 | 0x1b20, /* 1.8432 Mhz */ | |
408 | 0x1900, /* 2 Mhz */ | |
409 | 0xf42b, /* 2.4576 Mhz */ | |
410 | 0x37e3, /* 3.57954 Mhz */ | |
411 | 0x1b21, /* 3.6864 Mhz */ | |
412 | 0x0c80, /* 4 Mhz */ | |
413 | 0x98ee, /* 4.906 Mhz */ | |
414 | 0xd5b4, /* 4.9152 Mhz */ | |
415 | 0x0a00, /* 5 Mhz */ | |
416 | 0x4e27, /* 5.12 Mhz */ | |
417 | 0x1902, /* 6 Mhz */ | |
418 | 0xec1c, /* 6.144 Mhz */ | |
419 | 0x1b23, /* 7.3728 Mhz */ | |
420 | 0x0640, /* 8 Mhz */ | |
421 | 0xb11c /* 8.192 Mhz */ | |
422 | }; | |
423 | ||
dc804ab7 EA |
424 | #define DID0_VER_MASK 0x70000000 |
425 | #define DID0_VER_0 0x00000000 | |
426 | #define DID0_VER_1 0x10000000 | |
427 | ||
428 | #define DID0_CLASS_MASK 0x00FF0000 | |
429 | #define DID0_CLASS_SANDSTORM 0x00000000 | |
430 | #define DID0_CLASS_FURY 0x00010000 | |
431 | ||
432 | static int ssys_board_class(const ssys_state *s) | |
433 | { | |
434 | uint32_t did0 = s->board->did0; | |
435 | switch (did0 & DID0_VER_MASK) { | |
436 | case DID0_VER_0: | |
437 | return DID0_CLASS_SANDSTORM; | |
438 | case DID0_VER_1: | |
439 | switch (did0 & DID0_CLASS_MASK) { | |
440 | case DID0_CLASS_SANDSTORM: | |
441 | case DID0_CLASS_FURY: | |
442 | return did0 & DID0_CLASS_MASK; | |
443 | } | |
444 | /* for unknown classes, fall through */ | |
445 | default: | |
df3692e0 PM |
446 | /* This can only happen if the hardwired constant did0 value |
447 | * in this board's stellaris_board_info struct is wrong. | |
448 | */ | |
449 | g_assert_not_reached(); | |
dc804ab7 EA |
450 | } |
451 | } | |
452 | ||
a8170e5e | 453 | static uint64_t ssys_read(void *opaque, hwaddr offset, |
5699301f | 454 | unsigned size) |
9ee6e8bb PB |
455 | { |
456 | ssys_state *s = (ssys_state *)opaque; | |
457 | ||
9ee6e8bb PB |
458 | switch (offset) { |
459 | case 0x000: /* DID0 */ | |
460 | return s->board->did0; | |
461 | case 0x004: /* DID1 */ | |
462 | return s->board->did1; | |
463 | case 0x008: /* DC0 */ | |
464 | return s->board->dc0; | |
465 | case 0x010: /* DC1 */ | |
466 | return s->board->dc1; | |
467 | case 0x014: /* DC2 */ | |
468 | return s->board->dc2; | |
469 | case 0x018: /* DC3 */ | |
470 | return s->board->dc3; | |
471 | case 0x01c: /* DC4 */ | |
472 | return s->board->dc4; | |
473 | case 0x030: /* PBORCTL */ | |
474 | return s->pborctl; | |
475 | case 0x034: /* LDOPCTL */ | |
476 | return s->ldopctl; | |
477 | case 0x040: /* SRCR0 */ | |
478 | return 0; | |
479 | case 0x044: /* SRCR1 */ | |
480 | return 0; | |
481 | case 0x048: /* SRCR2 */ | |
482 | return 0; | |
483 | case 0x050: /* RIS */ | |
484 | return s->int_status; | |
485 | case 0x054: /* IMC */ | |
486 | return s->int_mask; | |
487 | case 0x058: /* MISC */ | |
488 | return s->int_status & s->int_mask; | |
489 | case 0x05c: /* RESC */ | |
490 | return s->resc; | |
491 | case 0x060: /* RCC */ | |
492 | return s->rcc; | |
493 | case 0x064: /* PLLCFG */ | |
494 | { | |
495 | int xtal; | |
496 | xtal = (s->rcc >> 6) & 0xf; | |
dc804ab7 EA |
497 | switch (ssys_board_class(s)) { |
498 | case DID0_CLASS_FURY: | |
9ee6e8bb | 499 | return pllcfg_fury[xtal]; |
dc804ab7 | 500 | case DID0_CLASS_SANDSTORM: |
9ee6e8bb | 501 | return pllcfg_sandstorm[xtal]; |
dc804ab7 | 502 | default: |
df3692e0 | 503 | g_assert_not_reached(); |
9ee6e8bb PB |
504 | } |
505 | } | |
dc804ab7 EA |
506 | case 0x070: /* RCC2 */ |
507 | return s->rcc2; | |
9ee6e8bb PB |
508 | case 0x100: /* RCGC0 */ |
509 | return s->rcgc[0]; | |
510 | case 0x104: /* RCGC1 */ | |
511 | return s->rcgc[1]; | |
512 | case 0x108: /* RCGC2 */ | |
513 | return s->rcgc[2]; | |
514 | case 0x110: /* SCGC0 */ | |
515 | return s->scgc[0]; | |
516 | case 0x114: /* SCGC1 */ | |
517 | return s->scgc[1]; | |
518 | case 0x118: /* SCGC2 */ | |
519 | return s->scgc[2]; | |
520 | case 0x120: /* DCGC0 */ | |
521 | return s->dcgc[0]; | |
522 | case 0x124: /* DCGC1 */ | |
523 | return s->dcgc[1]; | |
524 | case 0x128: /* DCGC2 */ | |
525 | return s->dcgc[2]; | |
526 | case 0x150: /* CLKVCLR */ | |
527 | return s->clkvclr; | |
528 | case 0x160: /* LDOARST */ | |
529 | return s->ldoarst; | |
eea589cc PB |
530 | case 0x1e0: /* USER0 */ |
531 | return s->user0; | |
532 | case 0x1e4: /* USER1 */ | |
533 | return s->user1; | |
9ee6e8bb | 534 | default: |
df3692e0 PM |
535 | qemu_log_mask(LOG_GUEST_ERROR, |
536 | "SSYS: read at bad offset 0x%x\n", (int)offset); | |
9ee6e8bb PB |
537 | return 0; |
538 | } | |
539 | } | |
540 | ||
dc804ab7 EA |
541 | static bool ssys_use_rcc2(ssys_state *s) |
542 | { | |
543 | return (s->rcc2 >> 31) & 0x1; | |
544 | } | |
545 | ||
546 | /* | |
547 | * Caculate the sys. clock period in ms. | |
548 | */ | |
23e39294 PB |
549 | static void ssys_calculate_system_clock(ssys_state *s) |
550 | { | |
dc804ab7 EA |
551 | if (ssys_use_rcc2(s)) { |
552 | system_clock_scale = 5 * (((s->rcc2 >> 23) & 0x3f) + 1); | |
553 | } else { | |
554 | system_clock_scale = 5 * (((s->rcc >> 23) & 0xf) + 1); | |
555 | } | |
23e39294 PB |
556 | } |
557 | ||
a8170e5e | 558 | static void ssys_write(void *opaque, hwaddr offset, |
5699301f | 559 | uint64_t value, unsigned size) |
9ee6e8bb PB |
560 | { |
561 | ssys_state *s = (ssys_state *)opaque; | |
562 | ||
9ee6e8bb PB |
563 | switch (offset) { |
564 | case 0x030: /* PBORCTL */ | |
565 | s->pborctl = value & 0xffff; | |
566 | break; | |
567 | case 0x034: /* LDOPCTL */ | |
568 | s->ldopctl = value & 0x1f; | |
569 | break; | |
570 | case 0x040: /* SRCR0 */ | |
571 | case 0x044: /* SRCR1 */ | |
572 | case 0x048: /* SRCR2 */ | |
9194524b | 573 | qemu_log_mask(LOG_UNIMP, "Peripheral reset not implemented\n"); |
9ee6e8bb PB |
574 | break; |
575 | case 0x054: /* IMC */ | |
576 | s->int_mask = value & 0x7f; | |
577 | break; | |
578 | case 0x058: /* MISC */ | |
579 | s->int_status &= ~value; | |
580 | break; | |
581 | case 0x05c: /* RESC */ | |
582 | s->resc = value & 0x3f; | |
583 | break; | |
584 | case 0x060: /* RCC */ | |
585 | if ((s->rcc & (1 << 13)) != 0 && (value & (1 << 13)) == 0) { | |
586 | /* PLL enable. */ | |
587 | s->int_status |= (1 << 6); | |
588 | } | |
589 | s->rcc = value; | |
23e39294 | 590 | ssys_calculate_system_clock(s); |
9ee6e8bb | 591 | break; |
dc804ab7 EA |
592 | case 0x070: /* RCC2 */ |
593 | if (ssys_board_class(s) == DID0_CLASS_SANDSTORM) { | |
594 | break; | |
595 | } | |
596 | ||
597 | if ((s->rcc2 & (1 << 13)) != 0 && (value & (1 << 13)) == 0) { | |
598 | /* PLL enable. */ | |
599 | s->int_status |= (1 << 6); | |
600 | } | |
601 | s->rcc2 = value; | |
602 | ssys_calculate_system_clock(s); | |
603 | break; | |
9ee6e8bb PB |
604 | case 0x100: /* RCGC0 */ |
605 | s->rcgc[0] = value; | |
606 | break; | |
607 | case 0x104: /* RCGC1 */ | |
608 | s->rcgc[1] = value; | |
609 | break; | |
610 | case 0x108: /* RCGC2 */ | |
611 | s->rcgc[2] = value; | |
612 | break; | |
613 | case 0x110: /* SCGC0 */ | |
614 | s->scgc[0] = value; | |
615 | break; | |
616 | case 0x114: /* SCGC1 */ | |
617 | s->scgc[1] = value; | |
618 | break; | |
619 | case 0x118: /* SCGC2 */ | |
620 | s->scgc[2] = value; | |
621 | break; | |
622 | case 0x120: /* DCGC0 */ | |
623 | s->dcgc[0] = value; | |
624 | break; | |
625 | case 0x124: /* DCGC1 */ | |
626 | s->dcgc[1] = value; | |
627 | break; | |
628 | case 0x128: /* DCGC2 */ | |
629 | s->dcgc[2] = value; | |
630 | break; | |
631 | case 0x150: /* CLKVCLR */ | |
632 | s->clkvclr = value; | |
633 | break; | |
634 | case 0x160: /* LDOARST */ | |
635 | s->ldoarst = value; | |
636 | break; | |
637 | default: | |
df3692e0 PM |
638 | qemu_log_mask(LOG_GUEST_ERROR, |
639 | "SSYS: write at bad offset 0x%x\n", (int)offset); | |
9ee6e8bb PB |
640 | } |
641 | ssys_update(s); | |
642 | } | |
643 | ||
5699301f BC |
644 | static const MemoryRegionOps ssys_ops = { |
645 | .read = ssys_read, | |
646 | .write = ssys_write, | |
647 | .endianness = DEVICE_NATIVE_ENDIAN, | |
9ee6e8bb PB |
648 | }; |
649 | ||
9596ebb7 | 650 | static void ssys_reset(void *opaque) |
9ee6e8bb PB |
651 | { |
652 | ssys_state *s = (ssys_state *)opaque; | |
653 | ||
654 | s->pborctl = 0x7ffd; | |
655 | s->rcc = 0x078e3ac0; | |
dc804ab7 EA |
656 | |
657 | if (ssys_board_class(s) == DID0_CLASS_SANDSTORM) { | |
658 | s->rcc2 = 0; | |
659 | } else { | |
660 | s->rcc2 = 0x07802810; | |
661 | } | |
9ee6e8bb PB |
662 | s->rcgc[0] = 1; |
663 | s->scgc[0] = 1; | |
664 | s->dcgc[0] = 1; | |
bfc213af | 665 | ssys_calculate_system_clock(s); |
9ee6e8bb PB |
666 | } |
667 | ||
293c16aa | 668 | static int stellaris_sys_post_load(void *opaque, int version_id) |
23e39294 | 669 | { |
293c16aa | 670 | ssys_state *s = opaque; |
23e39294 | 671 | |
23e39294 PB |
672 | ssys_calculate_system_clock(s); |
673 | ||
674 | return 0; | |
675 | } | |
676 | ||
293c16aa JQ |
677 | static const VMStateDescription vmstate_stellaris_sys = { |
678 | .name = "stellaris_sys", | |
dc804ab7 | 679 | .version_id = 2, |
293c16aa | 680 | .minimum_version_id = 1, |
293c16aa | 681 | .post_load = stellaris_sys_post_load, |
8f1e884b | 682 | .fields = (VMStateField[]) { |
293c16aa JQ |
683 | VMSTATE_UINT32(pborctl, ssys_state), |
684 | VMSTATE_UINT32(ldopctl, ssys_state), | |
685 | VMSTATE_UINT32(int_mask, ssys_state), | |
686 | VMSTATE_UINT32(int_status, ssys_state), | |
687 | VMSTATE_UINT32(resc, ssys_state), | |
688 | VMSTATE_UINT32(rcc, ssys_state), | |
dc804ab7 | 689 | VMSTATE_UINT32_V(rcc2, ssys_state, 2), |
293c16aa JQ |
690 | VMSTATE_UINT32_ARRAY(rcgc, ssys_state, 3), |
691 | VMSTATE_UINT32_ARRAY(scgc, ssys_state, 3), | |
692 | VMSTATE_UINT32_ARRAY(dcgc, ssys_state, 3), | |
693 | VMSTATE_UINT32(clkvclr, ssys_state), | |
694 | VMSTATE_UINT32(ldoarst, ssys_state), | |
695 | VMSTATE_END_OF_LIST() | |
696 | } | |
697 | }; | |
698 | ||
81a322d4 GH |
699 | static int stellaris_sys_init(uint32_t base, qemu_irq irq, |
700 | stellaris_board_info * board, | |
701 | uint8_t *macaddr) | |
9ee6e8bb | 702 | { |
9ee6e8bb PB |
703 | ssys_state *s; |
704 | ||
b45c03f5 | 705 | s = g_new0(ssys_state, 1); |
9ee6e8bb PB |
706 | s->irq = irq; |
707 | s->board = board; | |
eea589cc PB |
708 | /* Most devices come preprogrammed with a MAC address in the user data. */ |
709 | s->user0 = macaddr[0] | (macaddr[1] << 8) | (macaddr[2] << 16); | |
710 | s->user1 = macaddr[3] | (macaddr[4] << 8) | (macaddr[5] << 16); | |
9ee6e8bb | 711 | |
2c9b15ca | 712 | memory_region_init_io(&s->iomem, NULL, &ssys_ops, s, "ssys", 0x00001000); |
5699301f | 713 | memory_region_add_subregion(get_system_memory(), base, &s->iomem); |
9ee6e8bb | 714 | ssys_reset(s); |
1df2c9a2 | 715 | vmstate_register(NULL, VMSTATE_INSTANCE_ID_ANY, &vmstate_stellaris_sys, s); |
81a322d4 | 716 | return 0; |
9ee6e8bb PB |
717 | } |
718 | ||
719 | ||
720 | /* I2C controller. */ | |
721 | ||
d94a4015 AF |
722 | #define TYPE_STELLARIS_I2C "stellaris-i2c" |
723 | #define STELLARIS_I2C(obj) \ | |
724 | OBJECT_CHECK(stellaris_i2c_state, (obj), TYPE_STELLARIS_I2C) | |
725 | ||
9ee6e8bb | 726 | typedef struct { |
d94a4015 AF |
727 | SysBusDevice parent_obj; |
728 | ||
a5c82852 | 729 | I2CBus *bus; |
9ee6e8bb | 730 | qemu_irq irq; |
8ea72f38 | 731 | MemoryRegion iomem; |
9ee6e8bb PB |
732 | uint32_t msa; |
733 | uint32_t mcs; | |
734 | uint32_t mdr; | |
735 | uint32_t mtpr; | |
736 | uint32_t mimr; | |
737 | uint32_t mris; | |
738 | uint32_t mcr; | |
739 | } stellaris_i2c_state; | |
740 | ||
741 | #define STELLARIS_I2C_MCS_BUSY 0x01 | |
742 | #define STELLARIS_I2C_MCS_ERROR 0x02 | |
743 | #define STELLARIS_I2C_MCS_ADRACK 0x04 | |
744 | #define STELLARIS_I2C_MCS_DATACK 0x08 | |
745 | #define STELLARIS_I2C_MCS_ARBLST 0x10 | |
746 | #define STELLARIS_I2C_MCS_IDLE 0x20 | |
747 | #define STELLARIS_I2C_MCS_BUSBSY 0x40 | |
748 | ||
a8170e5e | 749 | static uint64_t stellaris_i2c_read(void *opaque, hwaddr offset, |
8ea72f38 | 750 | unsigned size) |
9ee6e8bb PB |
751 | { |
752 | stellaris_i2c_state *s = (stellaris_i2c_state *)opaque; | |
753 | ||
9ee6e8bb PB |
754 | switch (offset) { |
755 | case 0x00: /* MSA */ | |
756 | return s->msa; | |
757 | case 0x04: /* MCS */ | |
758 | /* We don't emulate timing, so the controller is never busy. */ | |
759 | return s->mcs | STELLARIS_I2C_MCS_IDLE; | |
760 | case 0x08: /* MDR */ | |
761 | return s->mdr; | |
762 | case 0x0c: /* MTPR */ | |
763 | return s->mtpr; | |
764 | case 0x10: /* MIMR */ | |
765 | return s->mimr; | |
766 | case 0x14: /* MRIS */ | |
767 | return s->mris; | |
768 | case 0x18: /* MMIS */ | |
769 | return s->mris & s->mimr; | |
770 | case 0x20: /* MCR */ | |
771 | return s->mcr; | |
772 | default: | |
df3692e0 PM |
773 | qemu_log_mask(LOG_GUEST_ERROR, |
774 | "stellaris_i2c: read at bad offset 0x%x\n", (int)offset); | |
9ee6e8bb PB |
775 | return 0; |
776 | } | |
777 | } | |
778 | ||
779 | static void stellaris_i2c_update(stellaris_i2c_state *s) | |
780 | { | |
781 | int level; | |
782 | ||
783 | level = (s->mris & s->mimr) != 0; | |
784 | qemu_set_irq(s->irq, level); | |
785 | } | |
786 | ||
a8170e5e | 787 | static void stellaris_i2c_write(void *opaque, hwaddr offset, |
8ea72f38 | 788 | uint64_t value, unsigned size) |
9ee6e8bb PB |
789 | { |
790 | stellaris_i2c_state *s = (stellaris_i2c_state *)opaque; | |
791 | ||
9ee6e8bb PB |
792 | switch (offset) { |
793 | case 0x00: /* MSA */ | |
794 | s->msa = value & 0xff; | |
795 | break; | |
796 | case 0x04: /* MCS */ | |
797 | if ((s->mcr & 0x10) == 0) { | |
798 | /* Disabled. Do nothing. */ | |
799 | break; | |
800 | } | |
801 | /* Grab the bus if this is starting a transfer. */ | |
802 | if ((value & 2) && (s->mcs & STELLARIS_I2C_MCS_BUSBSY) == 0) { | |
803 | if (i2c_start_transfer(s->bus, s->msa >> 1, s->msa & 1)) { | |
804 | s->mcs |= STELLARIS_I2C_MCS_ARBLST; | |
805 | } else { | |
806 | s->mcs &= ~STELLARIS_I2C_MCS_ARBLST; | |
807 | s->mcs |= STELLARIS_I2C_MCS_BUSBSY; | |
808 | } | |
809 | } | |
810 | /* If we don't have the bus then indicate an error. */ | |
811 | if (!i2c_bus_busy(s->bus) | |
812 | || (s->mcs & STELLARIS_I2C_MCS_BUSBSY) == 0) { | |
813 | s->mcs |= STELLARIS_I2C_MCS_ERROR; | |
814 | break; | |
815 | } | |
816 | s->mcs &= ~STELLARIS_I2C_MCS_ERROR; | |
817 | if (value & 1) { | |
818 | /* Transfer a byte. */ | |
819 | /* TODO: Handle errors. */ | |
820 | if (s->msa & 1) { | |
821 | /* Recv */ | |
05f9f17e | 822 | s->mdr = i2c_recv(s->bus); |
9ee6e8bb PB |
823 | } else { |
824 | /* Send */ | |
825 | i2c_send(s->bus, s->mdr); | |
826 | } | |
827 | /* Raise an interrupt. */ | |
828 | s->mris |= 1; | |
829 | } | |
830 | if (value & 4) { | |
831 | /* Finish transfer. */ | |
832 | i2c_end_transfer(s->bus); | |
833 | s->mcs &= ~STELLARIS_I2C_MCS_BUSBSY; | |
834 | } | |
835 | break; | |
836 | case 0x08: /* MDR */ | |
837 | s->mdr = value & 0xff; | |
838 | break; | |
839 | case 0x0c: /* MTPR */ | |
840 | s->mtpr = value & 0xff; | |
841 | break; | |
842 | case 0x10: /* MIMR */ | |
843 | s->mimr = 1; | |
844 | break; | |
845 | case 0x1c: /* MICR */ | |
846 | s->mris &= ~value; | |
847 | break; | |
848 | case 0x20: /* MCR */ | |
df3692e0 | 849 | if (value & 1) { |
9492e4b2 PMD |
850 | qemu_log_mask(LOG_UNIMP, |
851 | "stellaris_i2c: Loopback not implemented\n"); | |
df3692e0 PM |
852 | } |
853 | if (value & 0x20) { | |
854 | qemu_log_mask(LOG_UNIMP, | |
9492e4b2 | 855 | "stellaris_i2c: Slave mode not implemented\n"); |
df3692e0 | 856 | } |
9ee6e8bb PB |
857 | s->mcr = value & 0x31; |
858 | break; | |
859 | default: | |
df3692e0 PM |
860 | qemu_log_mask(LOG_GUEST_ERROR, |
861 | "stellaris_i2c: write at bad offset 0x%x\n", (int)offset); | |
9ee6e8bb PB |
862 | } |
863 | stellaris_i2c_update(s); | |
864 | } | |
865 | ||
866 | static void stellaris_i2c_reset(stellaris_i2c_state *s) | |
867 | { | |
868 | if (s->mcs & STELLARIS_I2C_MCS_BUSBSY) | |
869 | i2c_end_transfer(s->bus); | |
870 | ||
871 | s->msa = 0; | |
872 | s->mcs = 0; | |
873 | s->mdr = 0; | |
874 | s->mtpr = 1; | |
875 | s->mimr = 0; | |
876 | s->mris = 0; | |
877 | s->mcr = 0; | |
878 | stellaris_i2c_update(s); | |
879 | } | |
880 | ||
8ea72f38 BC |
881 | static const MemoryRegionOps stellaris_i2c_ops = { |
882 | .read = stellaris_i2c_read, | |
883 | .write = stellaris_i2c_write, | |
884 | .endianness = DEVICE_NATIVE_ENDIAN, | |
9ee6e8bb PB |
885 | }; |
886 | ||
ff269cd0 JQ |
887 | static const VMStateDescription vmstate_stellaris_i2c = { |
888 | .name = "stellaris_i2c", | |
889 | .version_id = 1, | |
890 | .minimum_version_id = 1, | |
8f1e884b | 891 | .fields = (VMStateField[]) { |
ff269cd0 JQ |
892 | VMSTATE_UINT32(msa, stellaris_i2c_state), |
893 | VMSTATE_UINT32(mcs, stellaris_i2c_state), | |
894 | VMSTATE_UINT32(mdr, stellaris_i2c_state), | |
895 | VMSTATE_UINT32(mtpr, stellaris_i2c_state), | |
896 | VMSTATE_UINT32(mimr, stellaris_i2c_state), | |
897 | VMSTATE_UINT32(mris, stellaris_i2c_state), | |
898 | VMSTATE_UINT32(mcr, stellaris_i2c_state), | |
899 | VMSTATE_END_OF_LIST() | |
900 | } | |
901 | }; | |
23e39294 | 902 | |
15c4fff5 | 903 | static void stellaris_i2c_init(Object *obj) |
9ee6e8bb | 904 | { |
15c4fff5 XZ |
905 | DeviceState *dev = DEVICE(obj); |
906 | stellaris_i2c_state *s = STELLARIS_I2C(obj); | |
907 | SysBusDevice *sbd = SYS_BUS_DEVICE(obj); | |
a5c82852 | 908 | I2CBus *bus; |
9ee6e8bb | 909 | |
d94a4015 AF |
910 | sysbus_init_irq(sbd, &s->irq); |
911 | bus = i2c_init_bus(dev, "i2c"); | |
9ee6e8bb PB |
912 | s->bus = bus; |
913 | ||
15c4fff5 | 914 | memory_region_init_io(&s->iomem, obj, &stellaris_i2c_ops, s, |
8ea72f38 | 915 | "i2c", 0x1000); |
d94a4015 | 916 | sysbus_init_mmio(sbd, &s->iomem); |
9ee6e8bb PB |
917 | /* ??? For now we only implement the master interface. */ |
918 | stellaris_i2c_reset(s); | |
919 | } | |
920 | ||
921 | /* Analogue to Digital Converter. This is only partially implemented, | |
922 | enough for applications that use a combined ADC and timer tick. */ | |
923 | ||
924 | #define STELLARIS_ADC_EM_CONTROLLER 0 | |
925 | #define STELLARIS_ADC_EM_COMP 1 | |
926 | #define STELLARIS_ADC_EM_EXTERNAL 4 | |
927 | #define STELLARIS_ADC_EM_TIMER 5 | |
928 | #define STELLARIS_ADC_EM_PWM0 6 | |
929 | #define STELLARIS_ADC_EM_PWM1 7 | |
930 | #define STELLARIS_ADC_EM_PWM2 8 | |
931 | ||
932 | #define STELLARIS_ADC_FIFO_EMPTY 0x0100 | |
933 | #define STELLARIS_ADC_FIFO_FULL 0x1000 | |
934 | ||
7df7f67a AF |
935 | #define TYPE_STELLARIS_ADC "stellaris-adc" |
936 | #define STELLARIS_ADC(obj) \ | |
937 | OBJECT_CHECK(stellaris_adc_state, (obj), TYPE_STELLARIS_ADC) | |
938 | ||
939 | typedef struct StellarisADCState { | |
940 | SysBusDevice parent_obj; | |
941 | ||
71a2df05 | 942 | MemoryRegion iomem; |
9ee6e8bb PB |
943 | uint32_t actss; |
944 | uint32_t ris; | |
945 | uint32_t im; | |
946 | uint32_t emux; | |
947 | uint32_t ostat; | |
948 | uint32_t ustat; | |
949 | uint32_t sspri; | |
950 | uint32_t sac; | |
951 | struct { | |
952 | uint32_t state; | |
953 | uint32_t data[16]; | |
954 | } fifo[4]; | |
955 | uint32_t ssmux[4]; | |
956 | uint32_t ssctl[4]; | |
23e39294 | 957 | uint32_t noise; |
2c6554bc | 958 | qemu_irq irq[4]; |
9ee6e8bb PB |
959 | } stellaris_adc_state; |
960 | ||
961 | static uint32_t stellaris_adc_fifo_read(stellaris_adc_state *s, int n) | |
962 | { | |
963 | int tail; | |
964 | ||
965 | tail = s->fifo[n].state & 0xf; | |
966 | if (s->fifo[n].state & STELLARIS_ADC_FIFO_EMPTY) { | |
967 | s->ustat |= 1 << n; | |
968 | } else { | |
969 | s->fifo[n].state = (s->fifo[n].state & ~0xf) | ((tail + 1) & 0xf); | |
970 | s->fifo[n].state &= ~STELLARIS_ADC_FIFO_FULL; | |
971 | if (tail + 1 == ((s->fifo[n].state >> 4) & 0xf)) | |
972 | s->fifo[n].state |= STELLARIS_ADC_FIFO_EMPTY; | |
973 | } | |
974 | return s->fifo[n].data[tail]; | |
975 | } | |
976 | ||
977 | static void stellaris_adc_fifo_write(stellaris_adc_state *s, int n, | |
978 | uint32_t value) | |
979 | { | |
980 | int head; | |
981 | ||
2c6554bc PB |
982 | /* TODO: Real hardware has limited size FIFOs. We have a full 16 entry |
983 | FIFO fir each sequencer. */ | |
9ee6e8bb PB |
984 | head = (s->fifo[n].state >> 4) & 0xf; |
985 | if (s->fifo[n].state & STELLARIS_ADC_FIFO_FULL) { | |
986 | s->ostat |= 1 << n; | |
987 | return; | |
988 | } | |
989 | s->fifo[n].data[head] = value; | |
990 | head = (head + 1) & 0xf; | |
991 | s->fifo[n].state &= ~STELLARIS_ADC_FIFO_EMPTY; | |
992 | s->fifo[n].state = (s->fifo[n].state & ~0xf0) | (head << 4); | |
993 | if ((s->fifo[n].state & 0xf) == head) | |
994 | s->fifo[n].state |= STELLARIS_ADC_FIFO_FULL; | |
995 | } | |
996 | ||
997 | static void stellaris_adc_update(stellaris_adc_state *s) | |
998 | { | |
999 | int level; | |
2c6554bc | 1000 | int n; |
9ee6e8bb | 1001 | |
2c6554bc PB |
1002 | for (n = 0; n < 4; n++) { |
1003 | level = (s->ris & s->im & (1 << n)) != 0; | |
1004 | qemu_set_irq(s->irq[n], level); | |
1005 | } | |
9ee6e8bb PB |
1006 | } |
1007 | ||
1008 | static void stellaris_adc_trigger(void *opaque, int irq, int level) | |
1009 | { | |
1010 | stellaris_adc_state *s = (stellaris_adc_state *)opaque; | |
2c6554bc | 1011 | int n; |
9ee6e8bb | 1012 | |
2c6554bc PB |
1013 | for (n = 0; n < 4; n++) { |
1014 | if ((s->actss & (1 << n)) == 0) { | |
1015 | continue; | |
1016 | } | |
9ee6e8bb | 1017 | |
2c6554bc PB |
1018 | if (((s->emux >> (n * 4)) & 0xff) != 5) { |
1019 | continue; | |
1020 | } | |
1021 | ||
1022 | /* Some applications use the ADC as a random number source, so introduce | |
1023 | some variation into the signal. */ | |
1024 | s->noise = s->noise * 314159 + 1; | |
1025 | /* ??? actual inputs not implemented. Return an arbitrary value. */ | |
1026 | stellaris_adc_fifo_write(s, n, 0x200 + ((s->noise >> 16) & 7)); | |
1027 | s->ris |= (1 << n); | |
1028 | stellaris_adc_update(s); | |
1029 | } | |
9ee6e8bb PB |
1030 | } |
1031 | ||
1032 | static void stellaris_adc_reset(stellaris_adc_state *s) | |
1033 | { | |
1034 | int n; | |
1035 | ||
1036 | for (n = 0; n < 4; n++) { | |
1037 | s->ssmux[n] = 0; | |
1038 | s->ssctl[n] = 0; | |
1039 | s->fifo[n].state = STELLARIS_ADC_FIFO_EMPTY; | |
1040 | } | |
1041 | } | |
1042 | ||
a8170e5e | 1043 | static uint64_t stellaris_adc_read(void *opaque, hwaddr offset, |
71a2df05 | 1044 | unsigned size) |
9ee6e8bb PB |
1045 | { |
1046 | stellaris_adc_state *s = (stellaris_adc_state *)opaque; | |
1047 | ||
1048 | /* TODO: Implement this. */ | |
9ee6e8bb PB |
1049 | if (offset >= 0x40 && offset < 0xc0) { |
1050 | int n; | |
1051 | n = (offset - 0x40) >> 5; | |
1052 | switch (offset & 0x1f) { | |
1053 | case 0x00: /* SSMUX */ | |
1054 | return s->ssmux[n]; | |
1055 | case 0x04: /* SSCTL */ | |
1056 | return s->ssctl[n]; | |
1057 | case 0x08: /* SSFIFO */ | |
1058 | return stellaris_adc_fifo_read(s, n); | |
1059 | case 0x0c: /* SSFSTAT */ | |
1060 | return s->fifo[n].state; | |
1061 | default: | |
1062 | break; | |
1063 | } | |
1064 | } | |
1065 | switch (offset) { | |
1066 | case 0x00: /* ACTSS */ | |
1067 | return s->actss; | |
1068 | case 0x04: /* RIS */ | |
1069 | return s->ris; | |
1070 | case 0x08: /* IM */ | |
1071 | return s->im; | |
1072 | case 0x0c: /* ISC */ | |
1073 | return s->ris & s->im; | |
1074 | case 0x10: /* OSTAT */ | |
1075 | return s->ostat; | |
1076 | case 0x14: /* EMUX */ | |
1077 | return s->emux; | |
1078 | case 0x18: /* USTAT */ | |
1079 | return s->ustat; | |
1080 | case 0x20: /* SSPRI */ | |
1081 | return s->sspri; | |
1082 | case 0x30: /* SAC */ | |
1083 | return s->sac; | |
1084 | default: | |
df3692e0 PM |
1085 | qemu_log_mask(LOG_GUEST_ERROR, |
1086 | "stellaris_adc: read at bad offset 0x%x\n", (int)offset); | |
9ee6e8bb PB |
1087 | return 0; |
1088 | } | |
1089 | } | |
1090 | ||
a8170e5e | 1091 | static void stellaris_adc_write(void *opaque, hwaddr offset, |
71a2df05 | 1092 | uint64_t value, unsigned size) |
9ee6e8bb PB |
1093 | { |
1094 | stellaris_adc_state *s = (stellaris_adc_state *)opaque; | |
1095 | ||
1096 | /* TODO: Implement this. */ | |
9ee6e8bb PB |
1097 | if (offset >= 0x40 && offset < 0xc0) { |
1098 | int n; | |
1099 | n = (offset - 0x40) >> 5; | |
1100 | switch (offset & 0x1f) { | |
1101 | case 0x00: /* SSMUX */ | |
1102 | s->ssmux[n] = value & 0x33333333; | |
1103 | return; | |
1104 | case 0x04: /* SSCTL */ | |
1105 | if (value != 6) { | |
df3692e0 PM |
1106 | qemu_log_mask(LOG_UNIMP, |
1107 | "ADC: Unimplemented sequence %" PRIx64 "\n", | |
1108 | value); | |
9ee6e8bb PB |
1109 | } |
1110 | s->ssctl[n] = value; | |
1111 | return; | |
1112 | default: | |
1113 | break; | |
1114 | } | |
1115 | } | |
1116 | switch (offset) { | |
1117 | case 0x00: /* ACTSS */ | |
1118 | s->actss = value & 0xf; | |
9ee6e8bb PB |
1119 | break; |
1120 | case 0x08: /* IM */ | |
1121 | s->im = value; | |
1122 | break; | |
1123 | case 0x0c: /* ISC */ | |
1124 | s->ris &= ~value; | |
1125 | break; | |
1126 | case 0x10: /* OSTAT */ | |
1127 | s->ostat &= ~value; | |
1128 | break; | |
1129 | case 0x14: /* EMUX */ | |
1130 | s->emux = value; | |
1131 | break; | |
1132 | case 0x18: /* USTAT */ | |
1133 | s->ustat &= ~value; | |
1134 | break; | |
1135 | case 0x20: /* SSPRI */ | |
1136 | s->sspri = value; | |
1137 | break; | |
1138 | case 0x28: /* PSSI */ | |
9492e4b2 | 1139 | qemu_log_mask(LOG_UNIMP, "ADC: sample initiate unimplemented\n"); |
9ee6e8bb PB |
1140 | break; |
1141 | case 0x30: /* SAC */ | |
1142 | s->sac = value; | |
1143 | break; | |
1144 | default: | |
df3692e0 PM |
1145 | qemu_log_mask(LOG_GUEST_ERROR, |
1146 | "stellaris_adc: write at bad offset 0x%x\n", (int)offset); | |
9ee6e8bb PB |
1147 | } |
1148 | stellaris_adc_update(s); | |
1149 | } | |
1150 | ||
71a2df05 BC |
1151 | static const MemoryRegionOps stellaris_adc_ops = { |
1152 | .read = stellaris_adc_read, | |
1153 | .write = stellaris_adc_write, | |
1154 | .endianness = DEVICE_NATIVE_ENDIAN, | |
9ee6e8bb PB |
1155 | }; |
1156 | ||
cf1d31dc JQ |
1157 | static const VMStateDescription vmstate_stellaris_adc = { |
1158 | .name = "stellaris_adc", | |
1159 | .version_id = 1, | |
1160 | .minimum_version_id = 1, | |
8f1e884b | 1161 | .fields = (VMStateField[]) { |
cf1d31dc JQ |
1162 | VMSTATE_UINT32(actss, stellaris_adc_state), |
1163 | VMSTATE_UINT32(ris, stellaris_adc_state), | |
1164 | VMSTATE_UINT32(im, stellaris_adc_state), | |
1165 | VMSTATE_UINT32(emux, stellaris_adc_state), | |
1166 | VMSTATE_UINT32(ostat, stellaris_adc_state), | |
1167 | VMSTATE_UINT32(ustat, stellaris_adc_state), | |
1168 | VMSTATE_UINT32(sspri, stellaris_adc_state), | |
1169 | VMSTATE_UINT32(sac, stellaris_adc_state), | |
1170 | VMSTATE_UINT32(fifo[0].state, stellaris_adc_state), | |
1171 | VMSTATE_UINT32_ARRAY(fifo[0].data, stellaris_adc_state, 16), | |
1172 | VMSTATE_UINT32(ssmux[0], stellaris_adc_state), | |
1173 | VMSTATE_UINT32(ssctl[0], stellaris_adc_state), | |
1174 | VMSTATE_UINT32(fifo[1].state, stellaris_adc_state), | |
1175 | VMSTATE_UINT32_ARRAY(fifo[1].data, stellaris_adc_state, 16), | |
1176 | VMSTATE_UINT32(ssmux[1], stellaris_adc_state), | |
1177 | VMSTATE_UINT32(ssctl[1], stellaris_adc_state), | |
1178 | VMSTATE_UINT32(fifo[2].state, stellaris_adc_state), | |
1179 | VMSTATE_UINT32_ARRAY(fifo[2].data, stellaris_adc_state, 16), | |
1180 | VMSTATE_UINT32(ssmux[2], stellaris_adc_state), | |
1181 | VMSTATE_UINT32(ssctl[2], stellaris_adc_state), | |
1182 | VMSTATE_UINT32(fifo[3].state, stellaris_adc_state), | |
1183 | VMSTATE_UINT32_ARRAY(fifo[3].data, stellaris_adc_state, 16), | |
1184 | VMSTATE_UINT32(ssmux[3], stellaris_adc_state), | |
1185 | VMSTATE_UINT32(ssctl[3], stellaris_adc_state), | |
1186 | VMSTATE_UINT32(noise, stellaris_adc_state), | |
1187 | VMSTATE_END_OF_LIST() | |
23e39294 | 1188 | } |
cf1d31dc | 1189 | }; |
23e39294 | 1190 | |
15c4fff5 | 1191 | static void stellaris_adc_init(Object *obj) |
9ee6e8bb | 1192 | { |
15c4fff5 XZ |
1193 | DeviceState *dev = DEVICE(obj); |
1194 | stellaris_adc_state *s = STELLARIS_ADC(obj); | |
1195 | SysBusDevice *sbd = SYS_BUS_DEVICE(obj); | |
2c6554bc | 1196 | int n; |
9ee6e8bb | 1197 | |
2c6554bc | 1198 | for (n = 0; n < 4; n++) { |
7df7f67a | 1199 | sysbus_init_irq(sbd, &s->irq[n]); |
2c6554bc | 1200 | } |
9ee6e8bb | 1201 | |
15c4fff5 | 1202 | memory_region_init_io(&s->iomem, obj, &stellaris_adc_ops, s, |
71a2df05 | 1203 | "adc", 0x1000); |
7df7f67a | 1204 | sysbus_init_mmio(sbd, &s->iomem); |
9ee6e8bb | 1205 | stellaris_adc_reset(s); |
7df7f67a | 1206 | qdev_init_gpio_in(dev, stellaris_adc_trigger, 1); |
9ee6e8bb PB |
1207 | } |
1208 | ||
d69ffb5b MD |
1209 | static |
1210 | void do_sys_reset(void *opaque, int n, int level) | |
1211 | { | |
1212 | if (level) { | |
cf83f140 | 1213 | qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET); |
d69ffb5b MD |
1214 | } |
1215 | } | |
1216 | ||
9ee6e8bb PB |
1217 | /* Board init. */ |
1218 | static stellaris_board_info stellaris_boards[] = { | |
1219 | { "LM3S811EVB", | |
1220 | 0, | |
1221 | 0x0032000e, | |
1222 | 0x001f001f, /* dc0 */ | |
1223 | 0x001132bf, | |
1224 | 0x01071013, | |
1225 | 0x3f0f01ff, | |
1226 | 0x0000001f, | |
cf0dbb21 | 1227 | BP_OLED_I2C |
9ee6e8bb PB |
1228 | }, |
1229 | { "LM3S6965EVB", | |
1230 | 0x10010002, | |
1231 | 0x1073402e, | |
1232 | 0x00ff007f, /* dc0 */ | |
1233 | 0x001133ff, | |
1234 | 0x030f5317, | |
1235 | 0x0f0f87ff, | |
1236 | 0x5000007f, | |
cf0dbb21 | 1237 | BP_OLED_SSI | BP_GAMEPAD |
9ee6e8bb PB |
1238 | } |
1239 | }; | |
1240 | ||
ba1ba5cc | 1241 | static void stellaris_init(MachineState *ms, stellaris_board_info *board) |
9ee6e8bb PB |
1242 | { |
1243 | static const int uart_irq[] = {5, 6, 33, 34}; | |
1244 | static const int timer_irq[] = {19, 21, 23, 35}; | |
1245 | static const uint32_t gpio_addr[7] = | |
1246 | { 0x40004000, 0x40005000, 0x40006000, 0x40007000, | |
1247 | 0x40024000, 0x40025000, 0x40026000}; | |
1248 | static const int gpio_irq[7] = {0, 1, 2, 3, 4, 30, 31}; | |
1249 | ||
394c8bbf PM |
1250 | /* Memory map of SoC devices, from |
1251 | * Stellaris LM3S6965 Microcontroller Data Sheet (rev I) | |
1252 | * http://www.ti.com/lit/ds/symlink/lm3s6965.pdf | |
1253 | * | |
566528f8 | 1254 | * 40000000 wdtimer |
394c8bbf PM |
1255 | * 40002000 i2c (unimplemented) |
1256 | * 40004000 GPIO | |
1257 | * 40005000 GPIO | |
1258 | * 40006000 GPIO | |
1259 | * 40007000 GPIO | |
1260 | * 40008000 SSI | |
1261 | * 4000c000 UART | |
1262 | * 4000d000 UART | |
1263 | * 4000e000 UART | |
1264 | * 40020000 i2c | |
1265 | * 40021000 i2c (unimplemented) | |
1266 | * 40024000 GPIO | |
1267 | * 40025000 GPIO | |
1268 | * 40026000 GPIO | |
1269 | * 40028000 PWM (unimplemented) | |
1270 | * 4002c000 QEI (unimplemented) | |
1271 | * 4002d000 QEI (unimplemented) | |
1272 | * 40030000 gptimer | |
1273 | * 40031000 gptimer | |
1274 | * 40032000 gptimer | |
1275 | * 40033000 gptimer | |
1276 | * 40038000 ADC | |
1277 | * 4003c000 analogue comparator (unimplemented) | |
1278 | * 40048000 ethernet | |
1279 | * 400fc000 hibernation module (unimplemented) | |
1280 | * 400fd000 flash memory control (unimplemented) | |
1281 | * 400fe000 system control | |
1282 | */ | |
1283 | ||
20c59c38 | 1284 | DeviceState *gpio_dev[7], *nvic; |
40905a6a PB |
1285 | qemu_irq gpio_in[7][8]; |
1286 | qemu_irq gpio_out[7][8]; | |
9ee6e8bb PB |
1287 | qemu_irq adc; |
1288 | int sram_size; | |
1289 | int flash_size; | |
a5c82852 | 1290 | I2CBus *i2c; |
40905a6a | 1291 | DeviceState *dev; |
9ee6e8bb | 1292 | int i; |
40905a6a | 1293 | int j; |
9ee6e8bb | 1294 | |
fe6ac447 AF |
1295 | MemoryRegion *sram = g_new(MemoryRegion, 1); |
1296 | MemoryRegion *flash = g_new(MemoryRegion, 1); | |
1297 | MemoryRegion *system_memory = get_system_memory(); | |
1298 | ||
1299 | flash_size = (((board->dc0 & 0xffff) + 1) << 1) * 1024; | |
1300 | sram_size = ((board->dc0 >> 18) + 1) * 1024; | |
1301 | ||
1302 | /* Flash programming is done via the SCU, so pretend it is ROM. */ | |
98a99ce0 | 1303 | memory_region_init_ram(flash, NULL, "stellaris.flash", flash_size, |
f8ed85ac | 1304 | &error_fatal); |
fe6ac447 AF |
1305 | memory_region_set_readonly(flash, true); |
1306 | memory_region_add_subregion(system_memory, 0, flash); | |
1307 | ||
98a99ce0 | 1308 | memory_region_init_ram(sram, NULL, "stellaris.sram", sram_size, |
f8ed85ac | 1309 | &error_fatal); |
fe6ac447 AF |
1310 | memory_region_add_subregion(system_memory, 0x20000000, sram); |
1311 | ||
f04d4465 PM |
1312 | nvic = qdev_create(NULL, TYPE_ARMV7M); |
1313 | qdev_prop_set_uint32(nvic, "num-irq", NUM_IRQ_LINES); | |
1314 | qdev_prop_set_string(nvic, "cpu-type", ms->cpu_type); | |
a1c5a062 | 1315 | qdev_prop_set_bit(nvic, "enable-bitband", true); |
f04d4465 PM |
1316 | object_property_set_link(OBJECT(nvic), OBJECT(get_system_memory()), |
1317 | "memory", &error_abort); | |
1318 | /* This will exit with an error if the user passed us a bad cpu_type */ | |
1319 | qdev_init_nofail(nvic); | |
9ee6e8bb | 1320 | |
d69ffb5b MD |
1321 | qdev_connect_gpio_out_named(nvic, "SYSRESETREQ", 0, |
1322 | qemu_allocate_irq(&do_sys_reset, NULL, 0)); | |
1323 | ||
9ee6e8bb | 1324 | if (board->dc1 & (1 << 16)) { |
7df7f67a | 1325 | dev = sysbus_create_varargs(TYPE_STELLARIS_ADC, 0x40038000, |
20c59c38 MD |
1326 | qdev_get_gpio_in(nvic, 14), |
1327 | qdev_get_gpio_in(nvic, 15), | |
1328 | qdev_get_gpio_in(nvic, 16), | |
1329 | qdev_get_gpio_in(nvic, 17), | |
1330 | NULL); | |
40905a6a | 1331 | adc = qdev_get_gpio_in(dev, 0); |
9ee6e8bb PB |
1332 | } else { |
1333 | adc = NULL; | |
1334 | } | |
1335 | for (i = 0; i < 4; i++) { | |
1336 | if (board->dc2 & (0x10000 << i)) { | |
8ef1d394 | 1337 | dev = sysbus_create_simple(TYPE_STELLARIS_GPTM, |
40905a6a | 1338 | 0x40030000 + i * 0x1000, |
20c59c38 | 1339 | qdev_get_gpio_in(nvic, timer_irq[i])); |
40905a6a PB |
1340 | /* TODO: This is incorrect, but we get away with it because |
1341 | the ADC output is only ever pulsed. */ | |
1342 | qdev_connect_gpio_out(dev, 0, adc); | |
9ee6e8bb PB |
1343 | } |
1344 | } | |
1345 | ||
20c59c38 MD |
1346 | stellaris_sys_init(0x400fe000, qdev_get_gpio_in(nvic, 28), |
1347 | board, nd_table[0].macaddr.a); | |
9ee6e8bb | 1348 | |
566528f8 MH |
1349 | |
1350 | if (board->dc1 & (1 << 3)) { /* watchdog present */ | |
1351 | dev = qdev_create(NULL, TYPE_LUMINARY_WATCHDOG); | |
1352 | ||
1353 | /* system_clock_scale is valid now */ | |
1354 | uint32_t mainclk = NANOSECONDS_PER_SECOND / system_clock_scale; | |
1355 | qdev_prop_set_uint32(dev, "wdogclk-frq", mainclk); | |
1356 | ||
1357 | qdev_init_nofail(dev); | |
1358 | sysbus_mmio_map(SYS_BUS_DEVICE(dev), | |
1359 | 0, | |
1360 | 0x40000000u); | |
1361 | sysbus_connect_irq(SYS_BUS_DEVICE(dev), | |
1362 | 0, | |
1363 | qdev_get_gpio_in(nvic, 18)); | |
1364 | } | |
1365 | ||
1366 | ||
9ee6e8bb PB |
1367 | for (i = 0; i < 7; i++) { |
1368 | if (board->dc4 & (1 << i)) { | |
7063f49f | 1369 | gpio_dev[i] = sysbus_create_simple("pl061_luminary", gpio_addr[i], |
20c59c38 MD |
1370 | qdev_get_gpio_in(nvic, |
1371 | gpio_irq[i])); | |
40905a6a PB |
1372 | for (j = 0; j < 8; j++) { |
1373 | gpio_in[i][j] = qdev_get_gpio_in(gpio_dev[i], j); | |
1374 | gpio_out[i][j] = NULL; | |
1375 | } | |
9ee6e8bb PB |
1376 | } |
1377 | } | |
1378 | ||
1379 | if (board->dc2 & (1 << 12)) { | |
20c59c38 MD |
1380 | dev = sysbus_create_simple(TYPE_STELLARIS_I2C, 0x40020000, |
1381 | qdev_get_gpio_in(nvic, 8)); | |
a5c82852 | 1382 | i2c = (I2CBus *)qdev_get_child_bus(dev, "i2c"); |
cf0dbb21 | 1383 | if (board->peripherals & BP_OLED_I2C) { |
d2199005 | 1384 | i2c_create_slave(i2c, "ssd0303", 0x3d); |
9ee6e8bb PB |
1385 | } |
1386 | } | |
1387 | ||
1388 | for (i = 0; i < 4; i++) { | |
1389 | if (board->dc2 & (1 << i)) { | |
f0d1d2c1 XZ |
1390 | pl011_luminary_create(0x4000c000 + i * 0x1000, |
1391 | qdev_get_gpio_in(nvic, uart_irq[i]), | |
9bca0edb | 1392 | serial_hd(i)); |
9ee6e8bb PB |
1393 | } |
1394 | } | |
1395 | if (board->dc2 & (1 << 4)) { | |
20c59c38 MD |
1396 | dev = sysbus_create_simple("pl022", 0x40008000, |
1397 | qdev_get_gpio_in(nvic, 7)); | |
cf0dbb21 | 1398 | if (board->peripherals & BP_OLED_SSI) { |
5493e33f | 1399 | void *bus; |
8120e714 PC |
1400 | DeviceState *sddev; |
1401 | DeviceState *ssddev; | |
1402 | ||
1403 | /* Some boards have both an OLED controller and SD card connected to | |
1404 | * the same SSI port, with the SD card chip select connected to a | |
1405 | * GPIO pin. Technically the OLED chip select is connected to the | |
1406 | * SSI Fss pin. We do not bother emulating that as both devices | |
1407 | * should never be selected simultaneously, and our OLED controller | |
1408 | * ignores stray 0xff commands that occur when deselecting the SD | |
1409 | * card. | |
1410 | */ | |
5493e33f | 1411 | bus = qdev_get_child_bus(dev, "ssi"); |
5493e33f | 1412 | |
8120e714 PC |
1413 | sddev = ssi_create_slave(bus, "ssi-sd"); |
1414 | ssddev = ssi_create_slave(bus, "ssd0323"); | |
de77914e PC |
1415 | gpio_out[GPIO_D][0] = qemu_irq_split( |
1416 | qdev_get_gpio_in_named(sddev, SSI_GPIO_CS, 0), | |
1417 | qdev_get_gpio_in_named(ssddev, SSI_GPIO_CS, 0)); | |
1418 | gpio_out[GPIO_C][7] = qdev_get_gpio_in(ssddev, 0); | |
775616c3 | 1419 | |
775616c3 PB |
1420 | /* Make sure the select pin is high. */ |
1421 | qemu_irq_raise(gpio_out[GPIO_D][0]); | |
9ee6e8bb PB |
1422 | } |
1423 | } | |
a5580466 PB |
1424 | if (board->dc4 & (1 << 28)) { |
1425 | DeviceState *enet; | |
1426 | ||
1427 | qemu_check_nic_model(&nd_table[0], "stellaris"); | |
1428 | ||
1429 | enet = qdev_create(NULL, "stellaris_enet"); | |
540f006a | 1430 | qdev_set_nic_properties(enet, &nd_table[0]); |
e23a1b33 | 1431 | qdev_init_nofail(enet); |
1356b98d | 1432 | sysbus_mmio_map(SYS_BUS_DEVICE(enet), 0, 0x40048000); |
20c59c38 | 1433 | sysbus_connect_irq(SYS_BUS_DEVICE(enet), 0, qdev_get_gpio_in(nvic, 42)); |
a5580466 | 1434 | } |
cf0dbb21 PB |
1435 | if (board->peripherals & BP_GAMEPAD) { |
1436 | qemu_irq gpad_irq[5]; | |
1437 | static const int gpad_keycode[5] = { 0xc8, 0xd0, 0xcb, 0xcd, 0x1d }; | |
1438 | ||
1439 | gpad_irq[0] = qemu_irq_invert(gpio_in[GPIO_E][0]); /* up */ | |
1440 | gpad_irq[1] = qemu_irq_invert(gpio_in[GPIO_E][1]); /* down */ | |
1441 | gpad_irq[2] = qemu_irq_invert(gpio_in[GPIO_E][2]); /* left */ | |
1442 | gpad_irq[3] = qemu_irq_invert(gpio_in[GPIO_E][3]); /* right */ | |
1443 | gpad_irq[4] = qemu_irq_invert(gpio_in[GPIO_F][1]); /* select */ | |
1444 | ||
1445 | stellaris_gamepad_init(5, gpad_irq, gpad_keycode); | |
1446 | } | |
40905a6a PB |
1447 | for (i = 0; i < 7; i++) { |
1448 | if (board->dc4 & (1 << i)) { | |
1449 | for (j = 0; j < 8; j++) { | |
1450 | if (gpio_out[i][j]) { | |
1451 | qdev_connect_gpio_out(gpio_dev[i], j, gpio_out[i][j]); | |
1452 | } | |
1453 | } | |
1454 | } | |
1455 | } | |
aecfbbc9 PM |
1456 | |
1457 | /* Add dummy regions for the devices we don't implement yet, | |
1458 | * so guest accesses don't cause unlogged crashes. | |
1459 | */ | |
aecfbbc9 PM |
1460 | create_unimplemented_device("i2c-0", 0x40002000, 0x1000); |
1461 | create_unimplemented_device("i2c-2", 0x40021000, 0x1000); | |
1462 | create_unimplemented_device("PWM", 0x40028000, 0x1000); | |
1463 | create_unimplemented_device("QEI-0", 0x4002c000, 0x1000); | |
1464 | create_unimplemented_device("QEI-1", 0x4002d000, 0x1000); | |
1465 | create_unimplemented_device("analogue-comparator", 0x4003c000, 0x1000); | |
1466 | create_unimplemented_device("hibernation", 0x400fc000, 0x1000); | |
1467 | create_unimplemented_device("flash-control", 0x400fd000, 0x1000); | |
f04d4465 PM |
1468 | |
1469 | armv7m_load_kernel(ARM_CPU(first_cpu), ms->kernel_filename, flash_size); | |
9ee6e8bb PB |
1470 | } |
1471 | ||
1472 | /* FIXME: Figure out how to generate these from stellaris_boards. */ | |
3ef96221 | 1473 | static void lm3s811evb_init(MachineState *machine) |
9ee6e8bb | 1474 | { |
ba1ba5cc | 1475 | stellaris_init(machine, &stellaris_boards[0]); |
9ee6e8bb PB |
1476 | } |
1477 | ||
3ef96221 | 1478 | static void lm3s6965evb_init(MachineState *machine) |
9ee6e8bb | 1479 | { |
ba1ba5cc | 1480 | stellaris_init(machine, &stellaris_boards[1]); |
9ee6e8bb PB |
1481 | } |
1482 | ||
8a661aea | 1483 | static void lm3s811evb_class_init(ObjectClass *oc, void *data) |
e264d29d | 1484 | { |
8a661aea AF |
1485 | MachineClass *mc = MACHINE_CLASS(oc); |
1486 | ||
e264d29d EH |
1487 | mc->desc = "Stellaris LM3S811EVB"; |
1488 | mc->init = lm3s811evb_init; | |
4672cbd7 | 1489 | mc->ignore_memory_transaction_failures = true; |
ba1ba5cc | 1490 | mc->default_cpu_type = ARM_CPU_TYPE_NAME("cortex-m3"); |
e264d29d | 1491 | } |
9ee6e8bb | 1492 | |
8a661aea AF |
1493 | static const TypeInfo lm3s811evb_type = { |
1494 | .name = MACHINE_TYPE_NAME("lm3s811evb"), | |
1495 | .parent = TYPE_MACHINE, | |
1496 | .class_init = lm3s811evb_class_init, | |
1497 | }; | |
1de9610c | 1498 | |
8a661aea | 1499 | static void lm3s6965evb_class_init(ObjectClass *oc, void *data) |
f80f9ec9 | 1500 | { |
8a661aea AF |
1501 | MachineClass *mc = MACHINE_CLASS(oc); |
1502 | ||
e264d29d EH |
1503 | mc->desc = "Stellaris LM3S6965EVB"; |
1504 | mc->init = lm3s6965evb_init; | |
4672cbd7 | 1505 | mc->ignore_memory_transaction_failures = true; |
ba1ba5cc | 1506 | mc->default_cpu_type = ARM_CPU_TYPE_NAME("cortex-m3"); |
f80f9ec9 AL |
1507 | } |
1508 | ||
8a661aea AF |
1509 | static const TypeInfo lm3s6965evb_type = { |
1510 | .name = MACHINE_TYPE_NAME("lm3s6965evb"), | |
1511 | .parent = TYPE_MACHINE, | |
1512 | .class_init = lm3s6965evb_class_init, | |
1513 | }; | |
1514 | ||
1515 | static void stellaris_machine_init(void) | |
1516 | { | |
1517 | type_register_static(&lm3s811evb_type); | |
1518 | type_register_static(&lm3s6965evb_type); | |
1519 | } | |
1520 | ||
0e6aac87 | 1521 | type_init(stellaris_machine_init) |
f80f9ec9 | 1522 | |
999e12bb AL |
1523 | static void stellaris_i2c_class_init(ObjectClass *klass, void *data) |
1524 | { | |
15c4fff5 | 1525 | DeviceClass *dc = DEVICE_CLASS(klass); |
999e12bb | 1526 | |
15c4fff5 | 1527 | dc->vmsd = &vmstate_stellaris_i2c; |
999e12bb AL |
1528 | } |
1529 | ||
8c43a6f0 | 1530 | static const TypeInfo stellaris_i2c_info = { |
d94a4015 | 1531 | .name = TYPE_STELLARIS_I2C, |
39bffca2 AL |
1532 | .parent = TYPE_SYS_BUS_DEVICE, |
1533 | .instance_size = sizeof(stellaris_i2c_state), | |
15c4fff5 | 1534 | .instance_init = stellaris_i2c_init, |
39bffca2 | 1535 | .class_init = stellaris_i2c_class_init, |
999e12bb AL |
1536 | }; |
1537 | ||
1538 | static void stellaris_gptm_class_init(ObjectClass *klass, void *data) | |
1539 | { | |
15c4fff5 | 1540 | DeviceClass *dc = DEVICE_CLASS(klass); |
999e12bb | 1541 | |
15c4fff5 | 1542 | dc->vmsd = &vmstate_stellaris_gptm; |
af6c91b4 | 1543 | dc->realize = stellaris_gptm_realize; |
999e12bb AL |
1544 | } |
1545 | ||
8c43a6f0 | 1546 | static const TypeInfo stellaris_gptm_info = { |
8ef1d394 | 1547 | .name = TYPE_STELLARIS_GPTM, |
39bffca2 AL |
1548 | .parent = TYPE_SYS_BUS_DEVICE, |
1549 | .instance_size = sizeof(gptm_state), | |
15c4fff5 | 1550 | .instance_init = stellaris_gptm_init, |
39bffca2 | 1551 | .class_init = stellaris_gptm_class_init, |
999e12bb AL |
1552 | }; |
1553 | ||
1554 | static void stellaris_adc_class_init(ObjectClass *klass, void *data) | |
1555 | { | |
15c4fff5 | 1556 | DeviceClass *dc = DEVICE_CLASS(klass); |
999e12bb | 1557 | |
15c4fff5 | 1558 | dc->vmsd = &vmstate_stellaris_adc; |
999e12bb AL |
1559 | } |
1560 | ||
8c43a6f0 | 1561 | static const TypeInfo stellaris_adc_info = { |
7df7f67a | 1562 | .name = TYPE_STELLARIS_ADC, |
39bffca2 AL |
1563 | .parent = TYPE_SYS_BUS_DEVICE, |
1564 | .instance_size = sizeof(stellaris_adc_state), | |
15c4fff5 | 1565 | .instance_init = stellaris_adc_init, |
39bffca2 | 1566 | .class_init = stellaris_adc_class_init, |
999e12bb AL |
1567 | }; |
1568 | ||
83f7d43a | 1569 | static void stellaris_register_types(void) |
1de9610c | 1570 | { |
39bffca2 AL |
1571 | type_register_static(&stellaris_i2c_info); |
1572 | type_register_static(&stellaris_gptm_info); | |
1573 | type_register_static(&stellaris_adc_info); | |
1de9610c PB |
1574 | } |
1575 | ||
83f7d43a | 1576 | type_init(stellaris_register_types) |