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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" |
d69ffb5b | 21 | #include "sysemu/sysemu.h" |
f04d4465 | 22 | #include "hw/arm/armv7m.h" |
f0d1d2c1 | 23 | #include "hw/char/pl011.h" |
98fa3327 | 24 | #include "hw/input/gamepad.h" |
64552b6b | 25 | #include "hw/irq.h" |
566528f8 | 26 | #include "hw/watchdog/cmsdk-apb-watchdog.h" |
d6454270 | 27 | #include "migration/vmstate.h" |
aecfbbc9 | 28 | #include "hw/misc/unimp.h" |
ba1ba5cc | 29 | #include "cpu.h" |
db1015e9 | 30 | #include "qom/object.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 | 60 | #define TYPE_STELLARIS_GPTM "stellaris-gptm" |
8063396b | 61 | OBJECT_DECLARE_SIMPLE_TYPE(gptm_state, STELLARIS_GPTM) |
8ef1d394 | 62 | |
db1015e9 | 63 | struct gptm_state { |
8ef1d394 AF |
64 | SysBusDevice parent_obj; |
65 | ||
2443fa27 | 66 | MemoryRegion iomem; |
9ee6e8bb PB |
67 | uint32_t config; |
68 | uint32_t mode[2]; | |
69 | uint32_t control; | |
70 | uint32_t state; | |
71 | uint32_t mask; | |
72 | uint32_t load[2]; | |
73 | uint32_t match[2]; | |
74 | uint32_t prescale[2]; | |
75 | uint32_t match_prescale[2]; | |
76 | uint32_t rtc; | |
77 | int64_t tick[2]; | |
78 | struct gptm_state *opaque[2]; | |
9ee6e8bb PB |
79 | QEMUTimer *timer[2]; |
80 | /* The timers have an alternate output used to trigger the ADC. */ | |
81 | qemu_irq trigger; | |
82 | qemu_irq irq; | |
db1015e9 | 83 | }; |
9ee6e8bb PB |
84 | |
85 | static void gptm_update_irq(gptm_state *s) | |
86 | { | |
87 | int level; | |
88 | level = (s->state & s->mask) != 0; | |
89 | qemu_set_irq(s->irq, level); | |
90 | } | |
91 | ||
92 | static void gptm_stop(gptm_state *s, int n) | |
93 | { | |
bc72ad67 | 94 | timer_del(s->timer[n]); |
9ee6e8bb PB |
95 | } |
96 | ||
97 | static void gptm_reload(gptm_state *s, int n, int reset) | |
98 | { | |
99 | int64_t tick; | |
100 | if (reset) | |
bc72ad67 | 101 | tick = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); |
9ee6e8bb PB |
102 | else |
103 | tick = s->tick[n]; | |
104 | ||
105 | if (s->config == 0) { | |
106 | /* 32-bit CountDown. */ | |
107 | uint32_t count; | |
108 | count = s->load[0] | (s->load[1] << 16); | |
e57ec016 | 109 | tick += (int64_t)count * system_clock_scale; |
9ee6e8bb PB |
110 | } else if (s->config == 1) { |
111 | /* 32-bit RTC. 1Hz tick. */ | |
73bcb24d | 112 | tick += NANOSECONDS_PER_SECOND; |
9ee6e8bb PB |
113 | } else if (s->mode[n] == 0xa) { |
114 | /* PWM mode. Not implemented. */ | |
115 | } else { | |
df3692e0 PM |
116 | qemu_log_mask(LOG_UNIMP, |
117 | "GPTM: 16-bit timer mode unimplemented: 0x%x\n", | |
118 | s->mode[n]); | |
119 | return; | |
9ee6e8bb PB |
120 | } |
121 | s->tick[n] = tick; | |
bc72ad67 | 122 | timer_mod(s->timer[n], tick); |
9ee6e8bb PB |
123 | } |
124 | ||
125 | static void gptm_tick(void *opaque) | |
126 | { | |
127 | gptm_state **p = (gptm_state **)opaque; | |
128 | gptm_state *s; | |
129 | int n; | |
130 | ||
131 | s = *p; | |
132 | n = p - s->opaque; | |
133 | if (s->config == 0) { | |
134 | s->state |= 1; | |
135 | if ((s->control & 0x20)) { | |
136 | /* Output trigger. */ | |
7d37435b | 137 | qemu_irq_pulse(s->trigger); |
9ee6e8bb PB |
138 | } |
139 | if (s->mode[0] & 1) { | |
140 | /* One-shot. */ | |
141 | s->control &= ~1; | |
142 | } else { | |
143 | /* Periodic. */ | |
144 | gptm_reload(s, 0, 0); | |
145 | } | |
146 | } else if (s->config == 1) { | |
147 | /* RTC. */ | |
148 | uint32_t match; | |
149 | s->rtc++; | |
150 | match = s->match[0] | (s->match[1] << 16); | |
151 | if (s->rtc > match) | |
152 | s->rtc = 0; | |
153 | if (s->rtc == 0) { | |
154 | s->state |= 8; | |
155 | } | |
156 | gptm_reload(s, 0, 0); | |
157 | } else if (s->mode[n] == 0xa) { | |
158 | /* PWM mode. Not implemented. */ | |
159 | } else { | |
df3692e0 PM |
160 | qemu_log_mask(LOG_UNIMP, |
161 | "GPTM: 16-bit timer mode unimplemented: 0x%x\n", | |
162 | s->mode[n]); | |
9ee6e8bb PB |
163 | } |
164 | gptm_update_irq(s); | |
165 | } | |
166 | ||
a8170e5e | 167 | static uint64_t gptm_read(void *opaque, hwaddr offset, |
2443fa27 | 168 | unsigned size) |
9ee6e8bb PB |
169 | { |
170 | gptm_state *s = (gptm_state *)opaque; | |
171 | ||
9ee6e8bb PB |
172 | switch (offset) { |
173 | case 0x00: /* CFG */ | |
174 | return s->config; | |
175 | case 0x04: /* TAMR */ | |
176 | return s->mode[0]; | |
177 | case 0x08: /* TBMR */ | |
178 | return s->mode[1]; | |
179 | case 0x0c: /* CTL */ | |
180 | return s->control; | |
181 | case 0x18: /* IMR */ | |
182 | return s->mask; | |
183 | case 0x1c: /* RIS */ | |
184 | return s->state; | |
185 | case 0x20: /* MIS */ | |
186 | return s->state & s->mask; | |
187 | case 0x24: /* CR */ | |
188 | return 0; | |
189 | case 0x28: /* TAILR */ | |
190 | return s->load[0] | ((s->config < 4) ? (s->load[1] << 16) : 0); | |
191 | case 0x2c: /* TBILR */ | |
192 | return s->load[1]; | |
193 | case 0x30: /* TAMARCHR */ | |
194 | return s->match[0] | ((s->config < 4) ? (s->match[1] << 16) : 0); | |
195 | case 0x34: /* TBMATCHR */ | |
196 | return s->match[1]; | |
197 | case 0x38: /* TAPR */ | |
198 | return s->prescale[0]; | |
199 | case 0x3c: /* TBPR */ | |
200 | return s->prescale[1]; | |
201 | case 0x40: /* TAPMR */ | |
202 | return s->match_prescale[0]; | |
203 | case 0x44: /* TBPMR */ | |
204 | return s->match_prescale[1]; | |
205 | case 0x48: /* TAR */ | |
1a791721 | 206 | if (s->config == 1) { |
9ee6e8bb | 207 | return s->rtc; |
1a791721 PM |
208 | } |
209 | qemu_log_mask(LOG_UNIMP, | |
9492e4b2 | 210 | "GPTM: read of TAR but timer read not supported\n"); |
1a791721 | 211 | return 0; |
9ee6e8bb | 212 | case 0x4c: /* TBR */ |
1a791721 | 213 | qemu_log_mask(LOG_UNIMP, |
9492e4b2 | 214 | "GPTM: read of TBR but timer read not supported\n"); |
1a791721 | 215 | return 0; |
9ee6e8bb | 216 | default: |
1a791721 | 217 | qemu_log_mask(LOG_GUEST_ERROR, |
d29183d3 PMD |
218 | "GPTM: read at bad offset 0x02%" HWADDR_PRIx "\n", |
219 | offset); | |
9ee6e8bb PB |
220 | return 0; |
221 | } | |
222 | } | |
223 | ||
a8170e5e | 224 | static void gptm_write(void *opaque, hwaddr offset, |
2443fa27 | 225 | uint64_t value, unsigned size) |
9ee6e8bb PB |
226 | { |
227 | gptm_state *s = (gptm_state *)opaque; | |
228 | uint32_t oldval; | |
229 | ||
9ee6e8bb PB |
230 | /* The timers should be disabled before changing the configuration. |
231 | We take advantage of this and defer everything until the timer | |
232 | is enabled. */ | |
233 | switch (offset) { | |
234 | case 0x00: /* CFG */ | |
235 | s->config = value; | |
236 | break; | |
237 | case 0x04: /* TAMR */ | |
238 | s->mode[0] = value; | |
239 | break; | |
240 | case 0x08: /* TBMR */ | |
241 | s->mode[1] = value; | |
242 | break; | |
243 | case 0x0c: /* CTL */ | |
244 | oldval = s->control; | |
245 | s->control = value; | |
246 | /* TODO: Implement pause. */ | |
247 | if ((oldval ^ value) & 1) { | |
248 | if (value & 1) { | |
249 | gptm_reload(s, 0, 1); | |
250 | } else { | |
251 | gptm_stop(s, 0); | |
252 | } | |
253 | } | |
254 | if (((oldval ^ value) & 0x100) && s->config >= 4) { | |
255 | if (value & 0x100) { | |
256 | gptm_reload(s, 1, 1); | |
257 | } else { | |
258 | gptm_stop(s, 1); | |
259 | } | |
260 | } | |
261 | break; | |
262 | case 0x18: /* IMR */ | |
263 | s->mask = value & 0x77; | |
264 | gptm_update_irq(s); | |
265 | break; | |
266 | case 0x24: /* CR */ | |
267 | s->state &= ~value; | |
268 | break; | |
269 | case 0x28: /* TAILR */ | |
270 | s->load[0] = value & 0xffff; | |
271 | if (s->config < 4) { | |
272 | s->load[1] = value >> 16; | |
273 | } | |
274 | break; | |
275 | case 0x2c: /* TBILR */ | |
276 | s->load[1] = value & 0xffff; | |
277 | break; | |
278 | case 0x30: /* TAMARCHR */ | |
279 | s->match[0] = value & 0xffff; | |
280 | if (s->config < 4) { | |
281 | s->match[1] = value >> 16; | |
282 | } | |
283 | break; | |
284 | case 0x34: /* TBMATCHR */ | |
285 | s->match[1] = value >> 16; | |
286 | break; | |
287 | case 0x38: /* TAPR */ | |
288 | s->prescale[0] = value; | |
289 | break; | |
290 | case 0x3c: /* TBPR */ | |
291 | s->prescale[1] = value; | |
292 | break; | |
293 | case 0x40: /* TAPMR */ | |
294 | s->match_prescale[0] = value; | |
295 | break; | |
296 | case 0x44: /* TBPMR */ | |
297 | s->match_prescale[0] = value; | |
298 | break; | |
299 | default: | |
df3692e0 | 300 | qemu_log_mask(LOG_GUEST_ERROR, |
d29183d3 PMD |
301 | "GPTM: write at bad offset 0x02%" HWADDR_PRIx "\n", |
302 | offset); | |
9ee6e8bb PB |
303 | } |
304 | gptm_update_irq(s); | |
305 | } | |
306 | ||
2443fa27 BC |
307 | static const MemoryRegionOps gptm_ops = { |
308 | .read = gptm_read, | |
309 | .write = gptm_write, | |
310 | .endianness = DEVICE_NATIVE_ENDIAN, | |
9ee6e8bb PB |
311 | }; |
312 | ||
10f85a29 JQ |
313 | static const VMStateDescription vmstate_stellaris_gptm = { |
314 | .name = "stellaris_gptm", | |
315 | .version_id = 1, | |
316 | .minimum_version_id = 1, | |
8f1e884b | 317 | .fields = (VMStateField[]) { |
10f85a29 JQ |
318 | VMSTATE_UINT32(config, gptm_state), |
319 | VMSTATE_UINT32_ARRAY(mode, gptm_state, 2), | |
320 | VMSTATE_UINT32(control, gptm_state), | |
321 | VMSTATE_UINT32(state, gptm_state), | |
322 | VMSTATE_UINT32(mask, gptm_state), | |
dd8a4dcd | 323 | VMSTATE_UNUSED(8), |
10f85a29 JQ |
324 | VMSTATE_UINT32_ARRAY(load, gptm_state, 2), |
325 | VMSTATE_UINT32_ARRAY(match, gptm_state, 2), | |
326 | VMSTATE_UINT32_ARRAY(prescale, gptm_state, 2), | |
327 | VMSTATE_UINT32_ARRAY(match_prescale, gptm_state, 2), | |
328 | VMSTATE_UINT32(rtc, gptm_state), | |
329 | VMSTATE_INT64_ARRAY(tick, gptm_state, 2), | |
e720677e | 330 | VMSTATE_TIMER_PTR_ARRAY(timer, gptm_state, 2), |
10f85a29 JQ |
331 | VMSTATE_END_OF_LIST() |
332 | } | |
333 | }; | |
23e39294 | 334 | |
15c4fff5 | 335 | static void stellaris_gptm_init(Object *obj) |
9ee6e8bb | 336 | { |
15c4fff5 XZ |
337 | DeviceState *dev = DEVICE(obj); |
338 | gptm_state *s = STELLARIS_GPTM(obj); | |
339 | SysBusDevice *sbd = SYS_BUS_DEVICE(obj); | |
9ee6e8bb | 340 | |
8ef1d394 AF |
341 | sysbus_init_irq(sbd, &s->irq); |
342 | qdev_init_gpio_out(dev, &s->trigger, 1); | |
9ee6e8bb | 343 | |
15c4fff5 | 344 | memory_region_init_io(&s->iomem, obj, &gptm_ops, s, |
2443fa27 | 345 | "gptm", 0x1000); |
8ef1d394 | 346 | sysbus_init_mmio(sbd, &s->iomem); |
40905a6a PB |
347 | |
348 | s->opaque[0] = s->opaque[1] = s; | |
af6c91b4 PN |
349 | } |
350 | ||
351 | static void stellaris_gptm_realize(DeviceState *dev, Error **errp) | |
352 | { | |
353 | gptm_state *s = STELLARIS_GPTM(dev); | |
bc72ad67 AB |
354 | s->timer[0] = timer_new_ns(QEMU_CLOCK_VIRTUAL, gptm_tick, &s->opaque[0]); |
355 | s->timer[1] = timer_new_ns(QEMU_CLOCK_VIRTUAL, gptm_tick, &s->opaque[1]); | |
9ee6e8bb PB |
356 | } |
357 | ||
9ee6e8bb PB |
358 | /* System controller. */ |
359 | ||
360 | typedef struct { | |
5699301f | 361 | MemoryRegion iomem; |
9ee6e8bb PB |
362 | uint32_t pborctl; |
363 | uint32_t ldopctl; | |
364 | uint32_t int_status; | |
365 | uint32_t int_mask; | |
366 | uint32_t resc; | |
367 | uint32_t rcc; | |
dc804ab7 | 368 | uint32_t rcc2; |
9ee6e8bb PB |
369 | uint32_t rcgc[3]; |
370 | uint32_t scgc[3]; | |
371 | uint32_t dcgc[3]; | |
372 | uint32_t clkvclr; | |
373 | uint32_t ldoarst; | |
eea589cc PB |
374 | uint32_t user0; |
375 | uint32_t user1; | |
9ee6e8bb PB |
376 | qemu_irq irq; |
377 | stellaris_board_info *board; | |
378 | } ssys_state; | |
379 | ||
380 | static void ssys_update(ssys_state *s) | |
381 | { | |
382 | qemu_set_irq(s->irq, (s->int_status & s->int_mask) != 0); | |
383 | } | |
384 | ||
385 | static uint32_t pllcfg_sandstorm[16] = { | |
386 | 0x31c0, /* 1 Mhz */ | |
387 | 0x1ae0, /* 1.8432 Mhz */ | |
388 | 0x18c0, /* 2 Mhz */ | |
389 | 0xd573, /* 2.4576 Mhz */ | |
390 | 0x37a6, /* 3.57954 Mhz */ | |
391 | 0x1ae2, /* 3.6864 Mhz */ | |
392 | 0x0c40, /* 4 Mhz */ | |
393 | 0x98bc, /* 4.906 Mhz */ | |
394 | 0x935b, /* 4.9152 Mhz */ | |
395 | 0x09c0, /* 5 Mhz */ | |
396 | 0x4dee, /* 5.12 Mhz */ | |
397 | 0x0c41, /* 6 Mhz */ | |
398 | 0x75db, /* 6.144 Mhz */ | |
399 | 0x1ae6, /* 7.3728 Mhz */ | |
400 | 0x0600, /* 8 Mhz */ | |
401 | 0x585b /* 8.192 Mhz */ | |
402 | }; | |
403 | ||
404 | static uint32_t pllcfg_fury[16] = { | |
405 | 0x3200, /* 1 Mhz */ | |
406 | 0x1b20, /* 1.8432 Mhz */ | |
407 | 0x1900, /* 2 Mhz */ | |
408 | 0xf42b, /* 2.4576 Mhz */ | |
409 | 0x37e3, /* 3.57954 Mhz */ | |
410 | 0x1b21, /* 3.6864 Mhz */ | |
411 | 0x0c80, /* 4 Mhz */ | |
412 | 0x98ee, /* 4.906 Mhz */ | |
413 | 0xd5b4, /* 4.9152 Mhz */ | |
414 | 0x0a00, /* 5 Mhz */ | |
415 | 0x4e27, /* 5.12 Mhz */ | |
416 | 0x1902, /* 6 Mhz */ | |
417 | 0xec1c, /* 6.144 Mhz */ | |
418 | 0x1b23, /* 7.3728 Mhz */ | |
419 | 0x0640, /* 8 Mhz */ | |
420 | 0xb11c /* 8.192 Mhz */ | |
421 | }; | |
422 | ||
dc804ab7 EA |
423 | #define DID0_VER_MASK 0x70000000 |
424 | #define DID0_VER_0 0x00000000 | |
425 | #define DID0_VER_1 0x10000000 | |
426 | ||
427 | #define DID0_CLASS_MASK 0x00FF0000 | |
428 | #define DID0_CLASS_SANDSTORM 0x00000000 | |
429 | #define DID0_CLASS_FURY 0x00010000 | |
430 | ||
431 | static int ssys_board_class(const ssys_state *s) | |
432 | { | |
433 | uint32_t did0 = s->board->did0; | |
434 | switch (did0 & DID0_VER_MASK) { | |
435 | case DID0_VER_0: | |
436 | return DID0_CLASS_SANDSTORM; | |
437 | case DID0_VER_1: | |
438 | switch (did0 & DID0_CLASS_MASK) { | |
439 | case DID0_CLASS_SANDSTORM: | |
440 | case DID0_CLASS_FURY: | |
441 | return did0 & DID0_CLASS_MASK; | |
442 | } | |
443 | /* for unknown classes, fall through */ | |
444 | default: | |
df3692e0 PM |
445 | /* This can only happen if the hardwired constant did0 value |
446 | * in this board's stellaris_board_info struct is wrong. | |
447 | */ | |
448 | g_assert_not_reached(); | |
dc804ab7 EA |
449 | } |
450 | } | |
451 | ||
a8170e5e | 452 | static uint64_t ssys_read(void *opaque, hwaddr offset, |
5699301f | 453 | unsigned size) |
9ee6e8bb PB |
454 | { |
455 | ssys_state *s = (ssys_state *)opaque; | |
456 | ||
9ee6e8bb PB |
457 | switch (offset) { |
458 | case 0x000: /* DID0 */ | |
459 | return s->board->did0; | |
460 | case 0x004: /* DID1 */ | |
461 | return s->board->did1; | |
462 | case 0x008: /* DC0 */ | |
463 | return s->board->dc0; | |
464 | case 0x010: /* DC1 */ | |
465 | return s->board->dc1; | |
466 | case 0x014: /* DC2 */ | |
467 | return s->board->dc2; | |
468 | case 0x018: /* DC3 */ | |
469 | return s->board->dc3; | |
470 | case 0x01c: /* DC4 */ | |
471 | return s->board->dc4; | |
472 | case 0x030: /* PBORCTL */ | |
473 | return s->pborctl; | |
474 | case 0x034: /* LDOPCTL */ | |
475 | return s->ldopctl; | |
476 | case 0x040: /* SRCR0 */ | |
477 | return 0; | |
478 | case 0x044: /* SRCR1 */ | |
479 | return 0; | |
480 | case 0x048: /* SRCR2 */ | |
481 | return 0; | |
482 | case 0x050: /* RIS */ | |
483 | return s->int_status; | |
484 | case 0x054: /* IMC */ | |
485 | return s->int_mask; | |
486 | case 0x058: /* MISC */ | |
487 | return s->int_status & s->int_mask; | |
488 | case 0x05c: /* RESC */ | |
489 | return s->resc; | |
490 | case 0x060: /* RCC */ | |
491 | return s->rcc; | |
492 | case 0x064: /* PLLCFG */ | |
493 | { | |
494 | int xtal; | |
495 | xtal = (s->rcc >> 6) & 0xf; | |
dc804ab7 EA |
496 | switch (ssys_board_class(s)) { |
497 | case DID0_CLASS_FURY: | |
9ee6e8bb | 498 | return pllcfg_fury[xtal]; |
dc804ab7 | 499 | case DID0_CLASS_SANDSTORM: |
9ee6e8bb | 500 | return pllcfg_sandstorm[xtal]; |
dc804ab7 | 501 | default: |
df3692e0 | 502 | g_assert_not_reached(); |
9ee6e8bb PB |
503 | } |
504 | } | |
dc804ab7 EA |
505 | case 0x070: /* RCC2 */ |
506 | return s->rcc2; | |
9ee6e8bb PB |
507 | case 0x100: /* RCGC0 */ |
508 | return s->rcgc[0]; | |
509 | case 0x104: /* RCGC1 */ | |
510 | return s->rcgc[1]; | |
511 | case 0x108: /* RCGC2 */ | |
512 | return s->rcgc[2]; | |
513 | case 0x110: /* SCGC0 */ | |
514 | return s->scgc[0]; | |
515 | case 0x114: /* SCGC1 */ | |
516 | return s->scgc[1]; | |
517 | case 0x118: /* SCGC2 */ | |
518 | return s->scgc[2]; | |
519 | case 0x120: /* DCGC0 */ | |
520 | return s->dcgc[0]; | |
521 | case 0x124: /* DCGC1 */ | |
522 | return s->dcgc[1]; | |
523 | case 0x128: /* DCGC2 */ | |
524 | return s->dcgc[2]; | |
525 | case 0x150: /* CLKVCLR */ | |
526 | return s->clkvclr; | |
527 | case 0x160: /* LDOARST */ | |
528 | return s->ldoarst; | |
eea589cc PB |
529 | case 0x1e0: /* USER0 */ |
530 | return s->user0; | |
531 | case 0x1e4: /* USER1 */ | |
532 | return s->user1; | |
9ee6e8bb | 533 | default: |
df3692e0 PM |
534 | qemu_log_mask(LOG_GUEST_ERROR, |
535 | "SSYS: read at bad offset 0x%x\n", (int)offset); | |
9ee6e8bb PB |
536 | return 0; |
537 | } | |
538 | } | |
539 | ||
dc804ab7 EA |
540 | static bool ssys_use_rcc2(ssys_state *s) |
541 | { | |
542 | return (s->rcc2 >> 31) & 0x1; | |
543 | } | |
544 | ||
545 | /* | |
546 | * Caculate the sys. clock period in ms. | |
547 | */ | |
23e39294 PB |
548 | static void ssys_calculate_system_clock(ssys_state *s) |
549 | { | |
dc804ab7 EA |
550 | if (ssys_use_rcc2(s)) { |
551 | system_clock_scale = 5 * (((s->rcc2 >> 23) & 0x3f) + 1); | |
552 | } else { | |
553 | system_clock_scale = 5 * (((s->rcc >> 23) & 0xf) + 1); | |
554 | } | |
23e39294 PB |
555 | } |
556 | ||
a8170e5e | 557 | static void ssys_write(void *opaque, hwaddr offset, |
5699301f | 558 | uint64_t value, unsigned size) |
9ee6e8bb PB |
559 | { |
560 | ssys_state *s = (ssys_state *)opaque; | |
561 | ||
9ee6e8bb PB |
562 | switch (offset) { |
563 | case 0x030: /* PBORCTL */ | |
564 | s->pborctl = value & 0xffff; | |
565 | break; | |
566 | case 0x034: /* LDOPCTL */ | |
567 | s->ldopctl = value & 0x1f; | |
568 | break; | |
569 | case 0x040: /* SRCR0 */ | |
570 | case 0x044: /* SRCR1 */ | |
571 | case 0x048: /* SRCR2 */ | |
9194524b | 572 | qemu_log_mask(LOG_UNIMP, "Peripheral reset not implemented\n"); |
9ee6e8bb PB |
573 | break; |
574 | case 0x054: /* IMC */ | |
575 | s->int_mask = value & 0x7f; | |
576 | break; | |
577 | case 0x058: /* MISC */ | |
578 | s->int_status &= ~value; | |
579 | break; | |
580 | case 0x05c: /* RESC */ | |
581 | s->resc = value & 0x3f; | |
582 | break; | |
583 | case 0x060: /* RCC */ | |
584 | if ((s->rcc & (1 << 13)) != 0 && (value & (1 << 13)) == 0) { | |
585 | /* PLL enable. */ | |
586 | s->int_status |= (1 << 6); | |
587 | } | |
588 | s->rcc = value; | |
23e39294 | 589 | ssys_calculate_system_clock(s); |
9ee6e8bb | 590 | break; |
dc804ab7 EA |
591 | case 0x070: /* RCC2 */ |
592 | if (ssys_board_class(s) == DID0_CLASS_SANDSTORM) { | |
593 | break; | |
594 | } | |
595 | ||
596 | if ((s->rcc2 & (1 << 13)) != 0 && (value & (1 << 13)) == 0) { | |
597 | /* PLL enable. */ | |
598 | s->int_status |= (1 << 6); | |
599 | } | |
600 | s->rcc2 = value; | |
601 | ssys_calculate_system_clock(s); | |
602 | break; | |
9ee6e8bb PB |
603 | case 0x100: /* RCGC0 */ |
604 | s->rcgc[0] = value; | |
605 | break; | |
606 | case 0x104: /* RCGC1 */ | |
607 | s->rcgc[1] = value; | |
608 | break; | |
609 | case 0x108: /* RCGC2 */ | |
610 | s->rcgc[2] = value; | |
611 | break; | |
612 | case 0x110: /* SCGC0 */ | |
613 | s->scgc[0] = value; | |
614 | break; | |
615 | case 0x114: /* SCGC1 */ | |
616 | s->scgc[1] = value; | |
617 | break; | |
618 | case 0x118: /* SCGC2 */ | |
619 | s->scgc[2] = value; | |
620 | break; | |
621 | case 0x120: /* DCGC0 */ | |
622 | s->dcgc[0] = value; | |
623 | break; | |
624 | case 0x124: /* DCGC1 */ | |
625 | s->dcgc[1] = value; | |
626 | break; | |
627 | case 0x128: /* DCGC2 */ | |
628 | s->dcgc[2] = value; | |
629 | break; | |
630 | case 0x150: /* CLKVCLR */ | |
631 | s->clkvclr = value; | |
632 | break; | |
633 | case 0x160: /* LDOARST */ | |
634 | s->ldoarst = value; | |
635 | break; | |
636 | default: | |
df3692e0 PM |
637 | qemu_log_mask(LOG_GUEST_ERROR, |
638 | "SSYS: write at bad offset 0x%x\n", (int)offset); | |
9ee6e8bb PB |
639 | } |
640 | ssys_update(s); | |
641 | } | |
642 | ||
5699301f BC |
643 | static const MemoryRegionOps ssys_ops = { |
644 | .read = ssys_read, | |
645 | .write = ssys_write, | |
646 | .endianness = DEVICE_NATIVE_ENDIAN, | |
9ee6e8bb PB |
647 | }; |
648 | ||
9596ebb7 | 649 | static void ssys_reset(void *opaque) |
9ee6e8bb PB |
650 | { |
651 | ssys_state *s = (ssys_state *)opaque; | |
652 | ||
653 | s->pborctl = 0x7ffd; | |
654 | s->rcc = 0x078e3ac0; | |
dc804ab7 EA |
655 | |
656 | if (ssys_board_class(s) == DID0_CLASS_SANDSTORM) { | |
657 | s->rcc2 = 0; | |
658 | } else { | |
659 | s->rcc2 = 0x07802810; | |
660 | } | |
9ee6e8bb PB |
661 | s->rcgc[0] = 1; |
662 | s->scgc[0] = 1; | |
663 | s->dcgc[0] = 1; | |
bfc213af | 664 | ssys_calculate_system_clock(s); |
9ee6e8bb PB |
665 | } |
666 | ||
293c16aa | 667 | static int stellaris_sys_post_load(void *opaque, int version_id) |
23e39294 | 668 | { |
293c16aa | 669 | ssys_state *s = opaque; |
23e39294 | 670 | |
23e39294 PB |
671 | ssys_calculate_system_clock(s); |
672 | ||
673 | return 0; | |
674 | } | |
675 | ||
293c16aa JQ |
676 | static const VMStateDescription vmstate_stellaris_sys = { |
677 | .name = "stellaris_sys", | |
dc804ab7 | 678 | .version_id = 2, |
293c16aa | 679 | .minimum_version_id = 1, |
293c16aa | 680 | .post_load = stellaris_sys_post_load, |
8f1e884b | 681 | .fields = (VMStateField[]) { |
293c16aa JQ |
682 | VMSTATE_UINT32(pborctl, ssys_state), |
683 | VMSTATE_UINT32(ldopctl, ssys_state), | |
684 | VMSTATE_UINT32(int_mask, ssys_state), | |
685 | VMSTATE_UINT32(int_status, ssys_state), | |
686 | VMSTATE_UINT32(resc, ssys_state), | |
687 | VMSTATE_UINT32(rcc, ssys_state), | |
dc804ab7 | 688 | VMSTATE_UINT32_V(rcc2, ssys_state, 2), |
293c16aa JQ |
689 | VMSTATE_UINT32_ARRAY(rcgc, ssys_state, 3), |
690 | VMSTATE_UINT32_ARRAY(scgc, ssys_state, 3), | |
691 | VMSTATE_UINT32_ARRAY(dcgc, ssys_state, 3), | |
692 | VMSTATE_UINT32(clkvclr, ssys_state), | |
693 | VMSTATE_UINT32(ldoarst, ssys_state), | |
694 | VMSTATE_END_OF_LIST() | |
695 | } | |
696 | }; | |
697 | ||
81a322d4 GH |
698 | static int stellaris_sys_init(uint32_t base, qemu_irq irq, |
699 | stellaris_board_info * board, | |
700 | uint8_t *macaddr) | |
9ee6e8bb | 701 | { |
9ee6e8bb PB |
702 | ssys_state *s; |
703 | ||
b45c03f5 | 704 | s = g_new0(ssys_state, 1); |
9ee6e8bb PB |
705 | s->irq = irq; |
706 | s->board = board; | |
eea589cc PB |
707 | /* Most devices come preprogrammed with a MAC address in the user data. */ |
708 | s->user0 = macaddr[0] | (macaddr[1] << 8) | (macaddr[2] << 16); | |
709 | s->user1 = macaddr[3] | (macaddr[4] << 8) | (macaddr[5] << 16); | |
9ee6e8bb | 710 | |
2c9b15ca | 711 | memory_region_init_io(&s->iomem, NULL, &ssys_ops, s, "ssys", 0x00001000); |
5699301f | 712 | memory_region_add_subregion(get_system_memory(), base, &s->iomem); |
9ee6e8bb | 713 | ssys_reset(s); |
1df2c9a2 | 714 | vmstate_register(NULL, VMSTATE_INSTANCE_ID_ANY, &vmstate_stellaris_sys, s); |
81a322d4 | 715 | return 0; |
9ee6e8bb PB |
716 | } |
717 | ||
718 | ||
719 | /* I2C controller. */ | |
720 | ||
d94a4015 | 721 | #define TYPE_STELLARIS_I2C "stellaris-i2c" |
8063396b | 722 | OBJECT_DECLARE_SIMPLE_TYPE(stellaris_i2c_state, STELLARIS_I2C) |
d94a4015 | 723 | |
db1015e9 | 724 | struct stellaris_i2c_state { |
d94a4015 AF |
725 | SysBusDevice parent_obj; |
726 | ||
a5c82852 | 727 | I2CBus *bus; |
9ee6e8bb | 728 | qemu_irq irq; |
8ea72f38 | 729 | MemoryRegion iomem; |
9ee6e8bb PB |
730 | uint32_t msa; |
731 | uint32_t mcs; | |
732 | uint32_t mdr; | |
733 | uint32_t mtpr; | |
734 | uint32_t mimr; | |
735 | uint32_t mris; | |
736 | uint32_t mcr; | |
db1015e9 | 737 | }; |
9ee6e8bb PB |
738 | |
739 | #define STELLARIS_I2C_MCS_BUSY 0x01 | |
740 | #define STELLARIS_I2C_MCS_ERROR 0x02 | |
741 | #define STELLARIS_I2C_MCS_ADRACK 0x04 | |
742 | #define STELLARIS_I2C_MCS_DATACK 0x08 | |
743 | #define STELLARIS_I2C_MCS_ARBLST 0x10 | |
744 | #define STELLARIS_I2C_MCS_IDLE 0x20 | |
745 | #define STELLARIS_I2C_MCS_BUSBSY 0x40 | |
746 | ||
a8170e5e | 747 | static uint64_t stellaris_i2c_read(void *opaque, hwaddr offset, |
8ea72f38 | 748 | unsigned size) |
9ee6e8bb PB |
749 | { |
750 | stellaris_i2c_state *s = (stellaris_i2c_state *)opaque; | |
751 | ||
9ee6e8bb PB |
752 | switch (offset) { |
753 | case 0x00: /* MSA */ | |
754 | return s->msa; | |
755 | case 0x04: /* MCS */ | |
756 | /* We don't emulate timing, so the controller is never busy. */ | |
757 | return s->mcs | STELLARIS_I2C_MCS_IDLE; | |
758 | case 0x08: /* MDR */ | |
759 | return s->mdr; | |
760 | case 0x0c: /* MTPR */ | |
761 | return s->mtpr; | |
762 | case 0x10: /* MIMR */ | |
763 | return s->mimr; | |
764 | case 0x14: /* MRIS */ | |
765 | return s->mris; | |
766 | case 0x18: /* MMIS */ | |
767 | return s->mris & s->mimr; | |
768 | case 0x20: /* MCR */ | |
769 | return s->mcr; | |
770 | default: | |
df3692e0 PM |
771 | qemu_log_mask(LOG_GUEST_ERROR, |
772 | "stellaris_i2c: read at bad offset 0x%x\n", (int)offset); | |
9ee6e8bb PB |
773 | return 0; |
774 | } | |
775 | } | |
776 | ||
777 | static void stellaris_i2c_update(stellaris_i2c_state *s) | |
778 | { | |
779 | int level; | |
780 | ||
781 | level = (s->mris & s->mimr) != 0; | |
782 | qemu_set_irq(s->irq, level); | |
783 | } | |
784 | ||
a8170e5e | 785 | static void stellaris_i2c_write(void *opaque, hwaddr offset, |
8ea72f38 | 786 | uint64_t value, unsigned size) |
9ee6e8bb PB |
787 | { |
788 | stellaris_i2c_state *s = (stellaris_i2c_state *)opaque; | |
789 | ||
9ee6e8bb PB |
790 | switch (offset) { |
791 | case 0x00: /* MSA */ | |
792 | s->msa = value & 0xff; | |
793 | break; | |
794 | case 0x04: /* MCS */ | |
795 | if ((s->mcr & 0x10) == 0) { | |
796 | /* Disabled. Do nothing. */ | |
797 | break; | |
798 | } | |
799 | /* Grab the bus if this is starting a transfer. */ | |
800 | if ((value & 2) && (s->mcs & STELLARIS_I2C_MCS_BUSBSY) == 0) { | |
801 | if (i2c_start_transfer(s->bus, s->msa >> 1, s->msa & 1)) { | |
802 | s->mcs |= STELLARIS_I2C_MCS_ARBLST; | |
803 | } else { | |
804 | s->mcs &= ~STELLARIS_I2C_MCS_ARBLST; | |
805 | s->mcs |= STELLARIS_I2C_MCS_BUSBSY; | |
806 | } | |
807 | } | |
808 | /* If we don't have the bus then indicate an error. */ | |
809 | if (!i2c_bus_busy(s->bus) | |
810 | || (s->mcs & STELLARIS_I2C_MCS_BUSBSY) == 0) { | |
811 | s->mcs |= STELLARIS_I2C_MCS_ERROR; | |
812 | break; | |
813 | } | |
814 | s->mcs &= ~STELLARIS_I2C_MCS_ERROR; | |
815 | if (value & 1) { | |
816 | /* Transfer a byte. */ | |
817 | /* TODO: Handle errors. */ | |
818 | if (s->msa & 1) { | |
819 | /* Recv */ | |
05f9f17e | 820 | s->mdr = i2c_recv(s->bus); |
9ee6e8bb PB |
821 | } else { |
822 | /* Send */ | |
823 | i2c_send(s->bus, s->mdr); | |
824 | } | |
825 | /* Raise an interrupt. */ | |
826 | s->mris |= 1; | |
827 | } | |
828 | if (value & 4) { | |
829 | /* Finish transfer. */ | |
830 | i2c_end_transfer(s->bus); | |
831 | s->mcs &= ~STELLARIS_I2C_MCS_BUSBSY; | |
832 | } | |
833 | break; | |
834 | case 0x08: /* MDR */ | |
835 | s->mdr = value & 0xff; | |
836 | break; | |
837 | case 0x0c: /* MTPR */ | |
838 | s->mtpr = value & 0xff; | |
839 | break; | |
840 | case 0x10: /* MIMR */ | |
841 | s->mimr = 1; | |
842 | break; | |
843 | case 0x1c: /* MICR */ | |
844 | s->mris &= ~value; | |
845 | break; | |
846 | case 0x20: /* MCR */ | |
df3692e0 | 847 | if (value & 1) { |
9492e4b2 PMD |
848 | qemu_log_mask(LOG_UNIMP, |
849 | "stellaris_i2c: Loopback not implemented\n"); | |
df3692e0 PM |
850 | } |
851 | if (value & 0x20) { | |
852 | qemu_log_mask(LOG_UNIMP, | |
9492e4b2 | 853 | "stellaris_i2c: Slave mode not implemented\n"); |
df3692e0 | 854 | } |
9ee6e8bb PB |
855 | s->mcr = value & 0x31; |
856 | break; | |
857 | default: | |
df3692e0 PM |
858 | qemu_log_mask(LOG_GUEST_ERROR, |
859 | "stellaris_i2c: write at bad offset 0x%x\n", (int)offset); | |
9ee6e8bb PB |
860 | } |
861 | stellaris_i2c_update(s); | |
862 | } | |
863 | ||
864 | static void stellaris_i2c_reset(stellaris_i2c_state *s) | |
865 | { | |
866 | if (s->mcs & STELLARIS_I2C_MCS_BUSBSY) | |
867 | i2c_end_transfer(s->bus); | |
868 | ||
869 | s->msa = 0; | |
870 | s->mcs = 0; | |
871 | s->mdr = 0; | |
872 | s->mtpr = 1; | |
873 | s->mimr = 0; | |
874 | s->mris = 0; | |
875 | s->mcr = 0; | |
876 | stellaris_i2c_update(s); | |
877 | } | |
878 | ||
8ea72f38 BC |
879 | static const MemoryRegionOps stellaris_i2c_ops = { |
880 | .read = stellaris_i2c_read, | |
881 | .write = stellaris_i2c_write, | |
882 | .endianness = DEVICE_NATIVE_ENDIAN, | |
9ee6e8bb PB |
883 | }; |
884 | ||
ff269cd0 JQ |
885 | static const VMStateDescription vmstate_stellaris_i2c = { |
886 | .name = "stellaris_i2c", | |
887 | .version_id = 1, | |
888 | .minimum_version_id = 1, | |
8f1e884b | 889 | .fields = (VMStateField[]) { |
ff269cd0 JQ |
890 | VMSTATE_UINT32(msa, stellaris_i2c_state), |
891 | VMSTATE_UINT32(mcs, stellaris_i2c_state), | |
892 | VMSTATE_UINT32(mdr, stellaris_i2c_state), | |
893 | VMSTATE_UINT32(mtpr, stellaris_i2c_state), | |
894 | VMSTATE_UINT32(mimr, stellaris_i2c_state), | |
895 | VMSTATE_UINT32(mris, stellaris_i2c_state), | |
896 | VMSTATE_UINT32(mcr, stellaris_i2c_state), | |
897 | VMSTATE_END_OF_LIST() | |
898 | } | |
899 | }; | |
23e39294 | 900 | |
15c4fff5 | 901 | static void stellaris_i2c_init(Object *obj) |
9ee6e8bb | 902 | { |
15c4fff5 XZ |
903 | DeviceState *dev = DEVICE(obj); |
904 | stellaris_i2c_state *s = STELLARIS_I2C(obj); | |
905 | SysBusDevice *sbd = SYS_BUS_DEVICE(obj); | |
a5c82852 | 906 | I2CBus *bus; |
9ee6e8bb | 907 | |
d94a4015 AF |
908 | sysbus_init_irq(sbd, &s->irq); |
909 | bus = i2c_init_bus(dev, "i2c"); | |
9ee6e8bb PB |
910 | s->bus = bus; |
911 | ||
15c4fff5 | 912 | memory_region_init_io(&s->iomem, obj, &stellaris_i2c_ops, s, |
8ea72f38 | 913 | "i2c", 0x1000); |
d94a4015 | 914 | sysbus_init_mmio(sbd, &s->iomem); |
9ee6e8bb PB |
915 | /* ??? For now we only implement the master interface. */ |
916 | stellaris_i2c_reset(s); | |
917 | } | |
918 | ||
919 | /* Analogue to Digital Converter. This is only partially implemented, | |
920 | enough for applications that use a combined ADC and timer tick. */ | |
921 | ||
922 | #define STELLARIS_ADC_EM_CONTROLLER 0 | |
923 | #define STELLARIS_ADC_EM_COMP 1 | |
924 | #define STELLARIS_ADC_EM_EXTERNAL 4 | |
925 | #define STELLARIS_ADC_EM_TIMER 5 | |
926 | #define STELLARIS_ADC_EM_PWM0 6 | |
927 | #define STELLARIS_ADC_EM_PWM1 7 | |
928 | #define STELLARIS_ADC_EM_PWM2 8 | |
929 | ||
930 | #define STELLARIS_ADC_FIFO_EMPTY 0x0100 | |
931 | #define STELLARIS_ADC_FIFO_FULL 0x1000 | |
932 | ||
7df7f67a | 933 | #define TYPE_STELLARIS_ADC "stellaris-adc" |
db1015e9 | 934 | typedef struct StellarisADCState stellaris_adc_state; |
8110fa1d EH |
935 | DECLARE_INSTANCE_CHECKER(stellaris_adc_state, STELLARIS_ADC, |
936 | TYPE_STELLARIS_ADC) | |
7df7f67a | 937 | |
db1015e9 | 938 | struct StellarisADCState { |
7df7f67a AF |
939 | SysBusDevice parent_obj; |
940 | ||
71a2df05 | 941 | MemoryRegion iomem; |
9ee6e8bb PB |
942 | uint32_t actss; |
943 | uint32_t ris; | |
944 | uint32_t im; | |
945 | uint32_t emux; | |
946 | uint32_t ostat; | |
947 | uint32_t ustat; | |
948 | uint32_t sspri; | |
949 | uint32_t sac; | |
950 | struct { | |
951 | uint32_t state; | |
952 | uint32_t data[16]; | |
953 | } fifo[4]; | |
954 | uint32_t ssmux[4]; | |
955 | uint32_t ssctl[4]; | |
23e39294 | 956 | uint32_t noise; |
2c6554bc | 957 | qemu_irq irq[4]; |
db1015e9 | 958 | }; |
9ee6e8bb PB |
959 | |
960 | static uint32_t stellaris_adc_fifo_read(stellaris_adc_state *s, int n) | |
961 | { | |
962 | int tail; | |
963 | ||
964 | tail = s->fifo[n].state & 0xf; | |
965 | if (s->fifo[n].state & STELLARIS_ADC_FIFO_EMPTY) { | |
966 | s->ustat |= 1 << n; | |
967 | } else { | |
968 | s->fifo[n].state = (s->fifo[n].state & ~0xf) | ((tail + 1) & 0xf); | |
969 | s->fifo[n].state &= ~STELLARIS_ADC_FIFO_FULL; | |
970 | if (tail + 1 == ((s->fifo[n].state >> 4) & 0xf)) | |
971 | s->fifo[n].state |= STELLARIS_ADC_FIFO_EMPTY; | |
972 | } | |
973 | return s->fifo[n].data[tail]; | |
974 | } | |
975 | ||
976 | static void stellaris_adc_fifo_write(stellaris_adc_state *s, int n, | |
977 | uint32_t value) | |
978 | { | |
979 | int head; | |
980 | ||
2c6554bc PB |
981 | /* TODO: Real hardware has limited size FIFOs. We have a full 16 entry |
982 | FIFO fir each sequencer. */ | |
9ee6e8bb PB |
983 | head = (s->fifo[n].state >> 4) & 0xf; |
984 | if (s->fifo[n].state & STELLARIS_ADC_FIFO_FULL) { | |
985 | s->ostat |= 1 << n; | |
986 | return; | |
987 | } | |
988 | s->fifo[n].data[head] = value; | |
989 | head = (head + 1) & 0xf; | |
990 | s->fifo[n].state &= ~STELLARIS_ADC_FIFO_EMPTY; | |
991 | s->fifo[n].state = (s->fifo[n].state & ~0xf0) | (head << 4); | |
992 | if ((s->fifo[n].state & 0xf) == head) | |
993 | s->fifo[n].state |= STELLARIS_ADC_FIFO_FULL; | |
994 | } | |
995 | ||
996 | static void stellaris_adc_update(stellaris_adc_state *s) | |
997 | { | |
998 | int level; | |
2c6554bc | 999 | int n; |
9ee6e8bb | 1000 | |
2c6554bc PB |
1001 | for (n = 0; n < 4; n++) { |
1002 | level = (s->ris & s->im & (1 << n)) != 0; | |
1003 | qemu_set_irq(s->irq[n], level); | |
1004 | } | |
9ee6e8bb PB |
1005 | } |
1006 | ||
1007 | static void stellaris_adc_trigger(void *opaque, int irq, int level) | |
1008 | { | |
1009 | stellaris_adc_state *s = (stellaris_adc_state *)opaque; | |
2c6554bc | 1010 | int n; |
9ee6e8bb | 1011 | |
2c6554bc PB |
1012 | for (n = 0; n < 4; n++) { |
1013 | if ((s->actss & (1 << n)) == 0) { | |
1014 | continue; | |
1015 | } | |
9ee6e8bb | 1016 | |
2c6554bc PB |
1017 | if (((s->emux >> (n * 4)) & 0xff) != 5) { |
1018 | continue; | |
1019 | } | |
1020 | ||
1021 | /* Some applications use the ADC as a random number source, so introduce | |
1022 | some variation into the signal. */ | |
1023 | s->noise = s->noise * 314159 + 1; | |
1024 | /* ??? actual inputs not implemented. Return an arbitrary value. */ | |
1025 | stellaris_adc_fifo_write(s, n, 0x200 + ((s->noise >> 16) & 7)); | |
1026 | s->ris |= (1 << n); | |
1027 | stellaris_adc_update(s); | |
1028 | } | |
9ee6e8bb PB |
1029 | } |
1030 | ||
1031 | static void stellaris_adc_reset(stellaris_adc_state *s) | |
1032 | { | |
1033 | int n; | |
1034 | ||
1035 | for (n = 0; n < 4; n++) { | |
1036 | s->ssmux[n] = 0; | |
1037 | s->ssctl[n] = 0; | |
1038 | s->fifo[n].state = STELLARIS_ADC_FIFO_EMPTY; | |
1039 | } | |
1040 | } | |
1041 | ||
a8170e5e | 1042 | static uint64_t stellaris_adc_read(void *opaque, hwaddr offset, |
71a2df05 | 1043 | unsigned size) |
9ee6e8bb PB |
1044 | { |
1045 | stellaris_adc_state *s = (stellaris_adc_state *)opaque; | |
1046 | ||
1047 | /* TODO: Implement this. */ | |
9ee6e8bb PB |
1048 | if (offset >= 0x40 && offset < 0xc0) { |
1049 | int n; | |
1050 | n = (offset - 0x40) >> 5; | |
1051 | switch (offset & 0x1f) { | |
1052 | case 0x00: /* SSMUX */ | |
1053 | return s->ssmux[n]; | |
1054 | case 0x04: /* SSCTL */ | |
1055 | return s->ssctl[n]; | |
1056 | case 0x08: /* SSFIFO */ | |
1057 | return stellaris_adc_fifo_read(s, n); | |
1058 | case 0x0c: /* SSFSTAT */ | |
1059 | return s->fifo[n].state; | |
1060 | default: | |
1061 | break; | |
1062 | } | |
1063 | } | |
1064 | switch (offset) { | |
1065 | case 0x00: /* ACTSS */ | |
1066 | return s->actss; | |
1067 | case 0x04: /* RIS */ | |
1068 | return s->ris; | |
1069 | case 0x08: /* IM */ | |
1070 | return s->im; | |
1071 | case 0x0c: /* ISC */ | |
1072 | return s->ris & s->im; | |
1073 | case 0x10: /* OSTAT */ | |
1074 | return s->ostat; | |
1075 | case 0x14: /* EMUX */ | |
1076 | return s->emux; | |
1077 | case 0x18: /* USTAT */ | |
1078 | return s->ustat; | |
1079 | case 0x20: /* SSPRI */ | |
1080 | return s->sspri; | |
1081 | case 0x30: /* SAC */ | |
1082 | return s->sac; | |
1083 | default: | |
df3692e0 PM |
1084 | qemu_log_mask(LOG_GUEST_ERROR, |
1085 | "stellaris_adc: read at bad offset 0x%x\n", (int)offset); | |
9ee6e8bb PB |
1086 | return 0; |
1087 | } | |
1088 | } | |
1089 | ||
a8170e5e | 1090 | static void stellaris_adc_write(void *opaque, hwaddr offset, |
71a2df05 | 1091 | uint64_t value, unsigned size) |
9ee6e8bb PB |
1092 | { |
1093 | stellaris_adc_state *s = (stellaris_adc_state *)opaque; | |
1094 | ||
1095 | /* TODO: Implement this. */ | |
9ee6e8bb PB |
1096 | if (offset >= 0x40 && offset < 0xc0) { |
1097 | int n; | |
1098 | n = (offset - 0x40) >> 5; | |
1099 | switch (offset & 0x1f) { | |
1100 | case 0x00: /* SSMUX */ | |
1101 | s->ssmux[n] = value & 0x33333333; | |
1102 | return; | |
1103 | case 0x04: /* SSCTL */ | |
1104 | if (value != 6) { | |
df3692e0 PM |
1105 | qemu_log_mask(LOG_UNIMP, |
1106 | "ADC: Unimplemented sequence %" PRIx64 "\n", | |
1107 | value); | |
9ee6e8bb PB |
1108 | } |
1109 | s->ssctl[n] = value; | |
1110 | return; | |
1111 | default: | |
1112 | break; | |
1113 | } | |
1114 | } | |
1115 | switch (offset) { | |
1116 | case 0x00: /* ACTSS */ | |
1117 | s->actss = value & 0xf; | |
9ee6e8bb PB |
1118 | break; |
1119 | case 0x08: /* IM */ | |
1120 | s->im = value; | |
1121 | break; | |
1122 | case 0x0c: /* ISC */ | |
1123 | s->ris &= ~value; | |
1124 | break; | |
1125 | case 0x10: /* OSTAT */ | |
1126 | s->ostat &= ~value; | |
1127 | break; | |
1128 | case 0x14: /* EMUX */ | |
1129 | s->emux = value; | |
1130 | break; | |
1131 | case 0x18: /* USTAT */ | |
1132 | s->ustat &= ~value; | |
1133 | break; | |
1134 | case 0x20: /* SSPRI */ | |
1135 | s->sspri = value; | |
1136 | break; | |
1137 | case 0x28: /* PSSI */ | |
9492e4b2 | 1138 | qemu_log_mask(LOG_UNIMP, "ADC: sample initiate unimplemented\n"); |
9ee6e8bb PB |
1139 | break; |
1140 | case 0x30: /* SAC */ | |
1141 | s->sac = value; | |
1142 | break; | |
1143 | default: | |
df3692e0 PM |
1144 | qemu_log_mask(LOG_GUEST_ERROR, |
1145 | "stellaris_adc: write at bad offset 0x%x\n", (int)offset); | |
9ee6e8bb PB |
1146 | } |
1147 | stellaris_adc_update(s); | |
1148 | } | |
1149 | ||
71a2df05 BC |
1150 | static const MemoryRegionOps stellaris_adc_ops = { |
1151 | .read = stellaris_adc_read, | |
1152 | .write = stellaris_adc_write, | |
1153 | .endianness = DEVICE_NATIVE_ENDIAN, | |
9ee6e8bb PB |
1154 | }; |
1155 | ||
cf1d31dc JQ |
1156 | static const VMStateDescription vmstate_stellaris_adc = { |
1157 | .name = "stellaris_adc", | |
1158 | .version_id = 1, | |
1159 | .minimum_version_id = 1, | |
8f1e884b | 1160 | .fields = (VMStateField[]) { |
cf1d31dc JQ |
1161 | VMSTATE_UINT32(actss, stellaris_adc_state), |
1162 | VMSTATE_UINT32(ris, stellaris_adc_state), | |
1163 | VMSTATE_UINT32(im, stellaris_adc_state), | |
1164 | VMSTATE_UINT32(emux, stellaris_adc_state), | |
1165 | VMSTATE_UINT32(ostat, stellaris_adc_state), | |
1166 | VMSTATE_UINT32(ustat, stellaris_adc_state), | |
1167 | VMSTATE_UINT32(sspri, stellaris_adc_state), | |
1168 | VMSTATE_UINT32(sac, stellaris_adc_state), | |
1169 | VMSTATE_UINT32(fifo[0].state, stellaris_adc_state), | |
1170 | VMSTATE_UINT32_ARRAY(fifo[0].data, stellaris_adc_state, 16), | |
1171 | VMSTATE_UINT32(ssmux[0], stellaris_adc_state), | |
1172 | VMSTATE_UINT32(ssctl[0], stellaris_adc_state), | |
1173 | VMSTATE_UINT32(fifo[1].state, stellaris_adc_state), | |
1174 | VMSTATE_UINT32_ARRAY(fifo[1].data, stellaris_adc_state, 16), | |
1175 | VMSTATE_UINT32(ssmux[1], stellaris_adc_state), | |
1176 | VMSTATE_UINT32(ssctl[1], stellaris_adc_state), | |
1177 | VMSTATE_UINT32(fifo[2].state, stellaris_adc_state), | |
1178 | VMSTATE_UINT32_ARRAY(fifo[2].data, stellaris_adc_state, 16), | |
1179 | VMSTATE_UINT32(ssmux[2], stellaris_adc_state), | |
1180 | VMSTATE_UINT32(ssctl[2], stellaris_adc_state), | |
1181 | VMSTATE_UINT32(fifo[3].state, stellaris_adc_state), | |
1182 | VMSTATE_UINT32_ARRAY(fifo[3].data, stellaris_adc_state, 16), | |
1183 | VMSTATE_UINT32(ssmux[3], stellaris_adc_state), | |
1184 | VMSTATE_UINT32(ssctl[3], stellaris_adc_state), | |
1185 | VMSTATE_UINT32(noise, stellaris_adc_state), | |
1186 | VMSTATE_END_OF_LIST() | |
23e39294 | 1187 | } |
cf1d31dc | 1188 | }; |
23e39294 | 1189 | |
15c4fff5 | 1190 | static void stellaris_adc_init(Object *obj) |
9ee6e8bb | 1191 | { |
15c4fff5 XZ |
1192 | DeviceState *dev = DEVICE(obj); |
1193 | stellaris_adc_state *s = STELLARIS_ADC(obj); | |
1194 | SysBusDevice *sbd = SYS_BUS_DEVICE(obj); | |
2c6554bc | 1195 | int n; |
9ee6e8bb | 1196 | |
2c6554bc | 1197 | for (n = 0; n < 4; n++) { |
7df7f67a | 1198 | sysbus_init_irq(sbd, &s->irq[n]); |
2c6554bc | 1199 | } |
9ee6e8bb | 1200 | |
15c4fff5 | 1201 | memory_region_init_io(&s->iomem, obj, &stellaris_adc_ops, s, |
71a2df05 | 1202 | "adc", 0x1000); |
7df7f67a | 1203 | sysbus_init_mmio(sbd, &s->iomem); |
9ee6e8bb | 1204 | stellaris_adc_reset(s); |
7df7f67a | 1205 | qdev_init_gpio_in(dev, stellaris_adc_trigger, 1); |
9ee6e8bb PB |
1206 | } |
1207 | ||
1208 | /* Board init. */ | |
1209 | static stellaris_board_info stellaris_boards[] = { | |
1210 | { "LM3S811EVB", | |
1211 | 0, | |
1212 | 0x0032000e, | |
1213 | 0x001f001f, /* dc0 */ | |
1214 | 0x001132bf, | |
1215 | 0x01071013, | |
1216 | 0x3f0f01ff, | |
1217 | 0x0000001f, | |
cf0dbb21 | 1218 | BP_OLED_I2C |
9ee6e8bb PB |
1219 | }, |
1220 | { "LM3S6965EVB", | |
1221 | 0x10010002, | |
1222 | 0x1073402e, | |
1223 | 0x00ff007f, /* dc0 */ | |
1224 | 0x001133ff, | |
1225 | 0x030f5317, | |
1226 | 0x0f0f87ff, | |
1227 | 0x5000007f, | |
cf0dbb21 | 1228 | BP_OLED_SSI | BP_GAMEPAD |
9ee6e8bb PB |
1229 | } |
1230 | }; | |
1231 | ||
ba1ba5cc | 1232 | static void stellaris_init(MachineState *ms, stellaris_board_info *board) |
9ee6e8bb PB |
1233 | { |
1234 | static const int uart_irq[] = {5, 6, 33, 34}; | |
1235 | static const int timer_irq[] = {19, 21, 23, 35}; | |
1236 | static const uint32_t gpio_addr[7] = | |
1237 | { 0x40004000, 0x40005000, 0x40006000, 0x40007000, | |
1238 | 0x40024000, 0x40025000, 0x40026000}; | |
1239 | static const int gpio_irq[7] = {0, 1, 2, 3, 4, 30, 31}; | |
1240 | ||
394c8bbf PM |
1241 | /* Memory map of SoC devices, from |
1242 | * Stellaris LM3S6965 Microcontroller Data Sheet (rev I) | |
1243 | * http://www.ti.com/lit/ds/symlink/lm3s6965.pdf | |
1244 | * | |
566528f8 | 1245 | * 40000000 wdtimer |
394c8bbf PM |
1246 | * 40002000 i2c (unimplemented) |
1247 | * 40004000 GPIO | |
1248 | * 40005000 GPIO | |
1249 | * 40006000 GPIO | |
1250 | * 40007000 GPIO | |
1251 | * 40008000 SSI | |
1252 | * 4000c000 UART | |
1253 | * 4000d000 UART | |
1254 | * 4000e000 UART | |
1255 | * 40020000 i2c | |
1256 | * 40021000 i2c (unimplemented) | |
1257 | * 40024000 GPIO | |
1258 | * 40025000 GPIO | |
1259 | * 40026000 GPIO | |
1260 | * 40028000 PWM (unimplemented) | |
1261 | * 4002c000 QEI (unimplemented) | |
1262 | * 4002d000 QEI (unimplemented) | |
1263 | * 40030000 gptimer | |
1264 | * 40031000 gptimer | |
1265 | * 40032000 gptimer | |
1266 | * 40033000 gptimer | |
1267 | * 40038000 ADC | |
1268 | * 4003c000 analogue comparator (unimplemented) | |
1269 | * 40048000 ethernet | |
1270 | * 400fc000 hibernation module (unimplemented) | |
1271 | * 400fd000 flash memory control (unimplemented) | |
1272 | * 400fe000 system control | |
1273 | */ | |
1274 | ||
20c59c38 | 1275 | DeviceState *gpio_dev[7], *nvic; |
40905a6a PB |
1276 | qemu_irq gpio_in[7][8]; |
1277 | qemu_irq gpio_out[7][8]; | |
9ee6e8bb PB |
1278 | qemu_irq adc; |
1279 | int sram_size; | |
1280 | int flash_size; | |
a5c82852 | 1281 | I2CBus *i2c; |
40905a6a | 1282 | DeviceState *dev; |
9ee6e8bb | 1283 | int i; |
40905a6a | 1284 | int j; |
9ee6e8bb | 1285 | |
fe6ac447 AF |
1286 | MemoryRegion *sram = g_new(MemoryRegion, 1); |
1287 | MemoryRegion *flash = g_new(MemoryRegion, 1); | |
1288 | MemoryRegion *system_memory = get_system_memory(); | |
1289 | ||
1290 | flash_size = (((board->dc0 & 0xffff) + 1) << 1) * 1024; | |
1291 | sram_size = ((board->dc0 >> 18) + 1) * 1024; | |
1292 | ||
1293 | /* Flash programming is done via the SCU, so pretend it is ROM. */ | |
16260006 | 1294 | memory_region_init_rom(flash, NULL, "stellaris.flash", flash_size, |
f8ed85ac | 1295 | &error_fatal); |
fe6ac447 AF |
1296 | memory_region_add_subregion(system_memory, 0, flash); |
1297 | ||
98a99ce0 | 1298 | memory_region_init_ram(sram, NULL, "stellaris.sram", sram_size, |
f8ed85ac | 1299 | &error_fatal); |
fe6ac447 AF |
1300 | memory_region_add_subregion(system_memory, 0x20000000, sram); |
1301 | ||
3e80f690 | 1302 | nvic = qdev_new(TYPE_ARMV7M); |
f04d4465 PM |
1303 | qdev_prop_set_uint32(nvic, "num-irq", NUM_IRQ_LINES); |
1304 | qdev_prop_set_string(nvic, "cpu-type", ms->cpu_type); | |
a1c5a062 | 1305 | qdev_prop_set_bit(nvic, "enable-bitband", true); |
5325cc34 MA |
1306 | object_property_set_link(OBJECT(nvic), "memory", |
1307 | OBJECT(get_system_memory()), &error_abort); | |
f04d4465 | 1308 | /* This will exit with an error if the user passed us a bad cpu_type */ |
3c6ef471 | 1309 | sysbus_realize_and_unref(SYS_BUS_DEVICE(nvic), &error_fatal); |
9ee6e8bb PB |
1310 | |
1311 | if (board->dc1 & (1 << 16)) { | |
7df7f67a | 1312 | dev = sysbus_create_varargs(TYPE_STELLARIS_ADC, 0x40038000, |
20c59c38 MD |
1313 | qdev_get_gpio_in(nvic, 14), |
1314 | qdev_get_gpio_in(nvic, 15), | |
1315 | qdev_get_gpio_in(nvic, 16), | |
1316 | qdev_get_gpio_in(nvic, 17), | |
1317 | NULL); | |
40905a6a | 1318 | adc = qdev_get_gpio_in(dev, 0); |
9ee6e8bb PB |
1319 | } else { |
1320 | adc = NULL; | |
1321 | } | |
1322 | for (i = 0; i < 4; i++) { | |
1323 | if (board->dc2 & (0x10000 << i)) { | |
8ef1d394 | 1324 | dev = sysbus_create_simple(TYPE_STELLARIS_GPTM, |
40905a6a | 1325 | 0x40030000 + i * 0x1000, |
20c59c38 | 1326 | qdev_get_gpio_in(nvic, timer_irq[i])); |
40905a6a PB |
1327 | /* TODO: This is incorrect, but we get away with it because |
1328 | the ADC output is only ever pulsed. */ | |
1329 | qdev_connect_gpio_out(dev, 0, adc); | |
9ee6e8bb PB |
1330 | } |
1331 | } | |
1332 | ||
20c59c38 MD |
1333 | stellaris_sys_init(0x400fe000, qdev_get_gpio_in(nvic, 28), |
1334 | board, nd_table[0].macaddr.a); | |
9ee6e8bb | 1335 | |
566528f8 MH |
1336 | |
1337 | if (board->dc1 & (1 << 3)) { /* watchdog present */ | |
3e80f690 | 1338 | dev = qdev_new(TYPE_LUMINARY_WATCHDOG); |
566528f8 MH |
1339 | |
1340 | /* system_clock_scale is valid now */ | |
1341 | uint32_t mainclk = NANOSECONDS_PER_SECOND / system_clock_scale; | |
1342 | qdev_prop_set_uint32(dev, "wdogclk-frq", mainclk); | |
1343 | ||
3c6ef471 | 1344 | sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal); |
566528f8 MH |
1345 | sysbus_mmio_map(SYS_BUS_DEVICE(dev), |
1346 | 0, | |
1347 | 0x40000000u); | |
1348 | sysbus_connect_irq(SYS_BUS_DEVICE(dev), | |
1349 | 0, | |
1350 | qdev_get_gpio_in(nvic, 18)); | |
1351 | } | |
1352 | ||
1353 | ||
9ee6e8bb PB |
1354 | for (i = 0; i < 7; i++) { |
1355 | if (board->dc4 & (1 << i)) { | |
7063f49f | 1356 | gpio_dev[i] = sysbus_create_simple("pl061_luminary", gpio_addr[i], |
20c59c38 MD |
1357 | qdev_get_gpio_in(nvic, |
1358 | gpio_irq[i])); | |
40905a6a PB |
1359 | for (j = 0; j < 8; j++) { |
1360 | gpio_in[i][j] = qdev_get_gpio_in(gpio_dev[i], j); | |
1361 | gpio_out[i][j] = NULL; | |
1362 | } | |
9ee6e8bb PB |
1363 | } |
1364 | } | |
1365 | ||
1366 | if (board->dc2 & (1 << 12)) { | |
20c59c38 MD |
1367 | dev = sysbus_create_simple(TYPE_STELLARIS_I2C, 0x40020000, |
1368 | qdev_get_gpio_in(nvic, 8)); | |
a5c82852 | 1369 | i2c = (I2CBus *)qdev_get_child_bus(dev, "i2c"); |
cf0dbb21 | 1370 | if (board->peripherals & BP_OLED_I2C) { |
1373b15b | 1371 | i2c_slave_create_simple(i2c, "ssd0303", 0x3d); |
9ee6e8bb PB |
1372 | } |
1373 | } | |
1374 | ||
1375 | for (i = 0; i < 4; i++) { | |
1376 | if (board->dc2 & (1 << i)) { | |
f0d1d2c1 XZ |
1377 | pl011_luminary_create(0x4000c000 + i * 0x1000, |
1378 | qdev_get_gpio_in(nvic, uart_irq[i]), | |
9bca0edb | 1379 | serial_hd(i)); |
9ee6e8bb PB |
1380 | } |
1381 | } | |
1382 | if (board->dc2 & (1 << 4)) { | |
20c59c38 MD |
1383 | dev = sysbus_create_simple("pl022", 0x40008000, |
1384 | qdev_get_gpio_in(nvic, 7)); | |
cf0dbb21 | 1385 | if (board->peripherals & BP_OLED_SSI) { |
5493e33f | 1386 | void *bus; |
8120e714 PC |
1387 | DeviceState *sddev; |
1388 | DeviceState *ssddev; | |
1389 | ||
1390 | /* Some boards have both an OLED controller and SD card connected to | |
1391 | * the same SSI port, with the SD card chip select connected to a | |
1392 | * GPIO pin. Technically the OLED chip select is connected to the | |
1393 | * SSI Fss pin. We do not bother emulating that as both devices | |
1394 | * should never be selected simultaneously, and our OLED controller | |
1395 | * ignores stray 0xff commands that occur when deselecting the SD | |
1396 | * card. | |
1397 | */ | |
5493e33f | 1398 | bus = qdev_get_child_bus(dev, "ssi"); |
5493e33f | 1399 | |
8120e714 PC |
1400 | sddev = ssi_create_slave(bus, "ssi-sd"); |
1401 | ssddev = ssi_create_slave(bus, "ssd0323"); | |
de77914e PC |
1402 | gpio_out[GPIO_D][0] = qemu_irq_split( |
1403 | qdev_get_gpio_in_named(sddev, SSI_GPIO_CS, 0), | |
1404 | qdev_get_gpio_in_named(ssddev, SSI_GPIO_CS, 0)); | |
1405 | gpio_out[GPIO_C][7] = qdev_get_gpio_in(ssddev, 0); | |
775616c3 | 1406 | |
775616c3 PB |
1407 | /* Make sure the select pin is high. */ |
1408 | qemu_irq_raise(gpio_out[GPIO_D][0]); | |
9ee6e8bb PB |
1409 | } |
1410 | } | |
a5580466 PB |
1411 | if (board->dc4 & (1 << 28)) { |
1412 | DeviceState *enet; | |
1413 | ||
1414 | qemu_check_nic_model(&nd_table[0], "stellaris"); | |
1415 | ||
3e80f690 | 1416 | enet = qdev_new("stellaris_enet"); |
540f006a | 1417 | qdev_set_nic_properties(enet, &nd_table[0]); |
3c6ef471 | 1418 | sysbus_realize_and_unref(SYS_BUS_DEVICE(enet), &error_fatal); |
1356b98d | 1419 | sysbus_mmio_map(SYS_BUS_DEVICE(enet), 0, 0x40048000); |
20c59c38 | 1420 | sysbus_connect_irq(SYS_BUS_DEVICE(enet), 0, qdev_get_gpio_in(nvic, 42)); |
a5580466 | 1421 | } |
cf0dbb21 PB |
1422 | if (board->peripherals & BP_GAMEPAD) { |
1423 | qemu_irq gpad_irq[5]; | |
1424 | static const int gpad_keycode[5] = { 0xc8, 0xd0, 0xcb, 0xcd, 0x1d }; | |
1425 | ||
1426 | gpad_irq[0] = qemu_irq_invert(gpio_in[GPIO_E][0]); /* up */ | |
1427 | gpad_irq[1] = qemu_irq_invert(gpio_in[GPIO_E][1]); /* down */ | |
1428 | gpad_irq[2] = qemu_irq_invert(gpio_in[GPIO_E][2]); /* left */ | |
1429 | gpad_irq[3] = qemu_irq_invert(gpio_in[GPIO_E][3]); /* right */ | |
1430 | gpad_irq[4] = qemu_irq_invert(gpio_in[GPIO_F][1]); /* select */ | |
1431 | ||
1432 | stellaris_gamepad_init(5, gpad_irq, gpad_keycode); | |
1433 | } | |
40905a6a PB |
1434 | for (i = 0; i < 7; i++) { |
1435 | if (board->dc4 & (1 << i)) { | |
1436 | for (j = 0; j < 8; j++) { | |
1437 | if (gpio_out[i][j]) { | |
1438 | qdev_connect_gpio_out(gpio_dev[i], j, gpio_out[i][j]); | |
1439 | } | |
1440 | } | |
1441 | } | |
1442 | } | |
aecfbbc9 PM |
1443 | |
1444 | /* Add dummy regions for the devices we don't implement yet, | |
1445 | * so guest accesses don't cause unlogged crashes. | |
1446 | */ | |
aecfbbc9 PM |
1447 | create_unimplemented_device("i2c-0", 0x40002000, 0x1000); |
1448 | create_unimplemented_device("i2c-2", 0x40021000, 0x1000); | |
1449 | create_unimplemented_device("PWM", 0x40028000, 0x1000); | |
1450 | create_unimplemented_device("QEI-0", 0x4002c000, 0x1000); | |
1451 | create_unimplemented_device("QEI-1", 0x4002d000, 0x1000); | |
1452 | create_unimplemented_device("analogue-comparator", 0x4003c000, 0x1000); | |
1453 | create_unimplemented_device("hibernation", 0x400fc000, 0x1000); | |
1454 | create_unimplemented_device("flash-control", 0x400fd000, 0x1000); | |
f04d4465 PM |
1455 | |
1456 | armv7m_load_kernel(ARM_CPU(first_cpu), ms->kernel_filename, flash_size); | |
9ee6e8bb PB |
1457 | } |
1458 | ||
1459 | /* FIXME: Figure out how to generate these from stellaris_boards. */ | |
3ef96221 | 1460 | static void lm3s811evb_init(MachineState *machine) |
9ee6e8bb | 1461 | { |
ba1ba5cc | 1462 | stellaris_init(machine, &stellaris_boards[0]); |
9ee6e8bb PB |
1463 | } |
1464 | ||
3ef96221 | 1465 | static void lm3s6965evb_init(MachineState *machine) |
9ee6e8bb | 1466 | { |
ba1ba5cc | 1467 | stellaris_init(machine, &stellaris_boards[1]); |
9ee6e8bb PB |
1468 | } |
1469 | ||
8a661aea | 1470 | static void lm3s811evb_class_init(ObjectClass *oc, void *data) |
e264d29d | 1471 | { |
8a661aea AF |
1472 | MachineClass *mc = MACHINE_CLASS(oc); |
1473 | ||
e264d29d EH |
1474 | mc->desc = "Stellaris LM3S811EVB"; |
1475 | mc->init = lm3s811evb_init; | |
4672cbd7 | 1476 | mc->ignore_memory_transaction_failures = true; |
ba1ba5cc | 1477 | mc->default_cpu_type = ARM_CPU_TYPE_NAME("cortex-m3"); |
e264d29d | 1478 | } |
9ee6e8bb | 1479 | |
8a661aea AF |
1480 | static const TypeInfo lm3s811evb_type = { |
1481 | .name = MACHINE_TYPE_NAME("lm3s811evb"), | |
1482 | .parent = TYPE_MACHINE, | |
1483 | .class_init = lm3s811evb_class_init, | |
1484 | }; | |
1de9610c | 1485 | |
8a661aea | 1486 | static void lm3s6965evb_class_init(ObjectClass *oc, void *data) |
f80f9ec9 | 1487 | { |
8a661aea AF |
1488 | MachineClass *mc = MACHINE_CLASS(oc); |
1489 | ||
e264d29d EH |
1490 | mc->desc = "Stellaris LM3S6965EVB"; |
1491 | mc->init = lm3s6965evb_init; | |
4672cbd7 | 1492 | mc->ignore_memory_transaction_failures = true; |
ba1ba5cc | 1493 | mc->default_cpu_type = ARM_CPU_TYPE_NAME("cortex-m3"); |
f80f9ec9 AL |
1494 | } |
1495 | ||
8a661aea AF |
1496 | static const TypeInfo lm3s6965evb_type = { |
1497 | .name = MACHINE_TYPE_NAME("lm3s6965evb"), | |
1498 | .parent = TYPE_MACHINE, | |
1499 | .class_init = lm3s6965evb_class_init, | |
1500 | }; | |
1501 | ||
1502 | static void stellaris_machine_init(void) | |
1503 | { | |
1504 | type_register_static(&lm3s811evb_type); | |
1505 | type_register_static(&lm3s6965evb_type); | |
1506 | } | |
1507 | ||
0e6aac87 | 1508 | type_init(stellaris_machine_init) |
f80f9ec9 | 1509 | |
999e12bb AL |
1510 | static void stellaris_i2c_class_init(ObjectClass *klass, void *data) |
1511 | { | |
15c4fff5 | 1512 | DeviceClass *dc = DEVICE_CLASS(klass); |
999e12bb | 1513 | |
15c4fff5 | 1514 | dc->vmsd = &vmstate_stellaris_i2c; |
999e12bb AL |
1515 | } |
1516 | ||
8c43a6f0 | 1517 | static const TypeInfo stellaris_i2c_info = { |
d94a4015 | 1518 | .name = TYPE_STELLARIS_I2C, |
39bffca2 AL |
1519 | .parent = TYPE_SYS_BUS_DEVICE, |
1520 | .instance_size = sizeof(stellaris_i2c_state), | |
15c4fff5 | 1521 | .instance_init = stellaris_i2c_init, |
39bffca2 | 1522 | .class_init = stellaris_i2c_class_init, |
999e12bb AL |
1523 | }; |
1524 | ||
1525 | static void stellaris_gptm_class_init(ObjectClass *klass, void *data) | |
1526 | { | |
15c4fff5 | 1527 | DeviceClass *dc = DEVICE_CLASS(klass); |
999e12bb | 1528 | |
15c4fff5 | 1529 | dc->vmsd = &vmstate_stellaris_gptm; |
af6c91b4 | 1530 | dc->realize = stellaris_gptm_realize; |
999e12bb AL |
1531 | } |
1532 | ||
8c43a6f0 | 1533 | static const TypeInfo stellaris_gptm_info = { |
8ef1d394 | 1534 | .name = TYPE_STELLARIS_GPTM, |
39bffca2 AL |
1535 | .parent = TYPE_SYS_BUS_DEVICE, |
1536 | .instance_size = sizeof(gptm_state), | |
15c4fff5 | 1537 | .instance_init = stellaris_gptm_init, |
39bffca2 | 1538 | .class_init = stellaris_gptm_class_init, |
999e12bb AL |
1539 | }; |
1540 | ||
1541 | static void stellaris_adc_class_init(ObjectClass *klass, void *data) | |
1542 | { | |
15c4fff5 | 1543 | DeviceClass *dc = DEVICE_CLASS(klass); |
999e12bb | 1544 | |
15c4fff5 | 1545 | dc->vmsd = &vmstate_stellaris_adc; |
999e12bb AL |
1546 | } |
1547 | ||
8c43a6f0 | 1548 | static const TypeInfo stellaris_adc_info = { |
7df7f67a | 1549 | .name = TYPE_STELLARIS_ADC, |
39bffca2 AL |
1550 | .parent = TYPE_SYS_BUS_DEVICE, |
1551 | .instance_size = sizeof(stellaris_adc_state), | |
15c4fff5 | 1552 | .instance_init = stellaris_adc_init, |
39bffca2 | 1553 | .class_init = stellaris_adc_class_init, |
999e12bb AL |
1554 | }; |
1555 | ||
83f7d43a | 1556 | static void stellaris_register_types(void) |
1de9610c | 1557 | { |
39bffca2 AL |
1558 | type_register_static(&stellaris_i2c_info); |
1559 | type_register_static(&stellaris_gptm_info); | |
1560 | type_register_static(&stellaris_adc_info); | |
1de9610c PB |
1561 | } |
1562 | ||
83f7d43a | 1563 | type_init(stellaris_register_types) |