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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" |
d0a030d8 | 12 | #include "hw/core/split-irq.h" |
83c9f4ca | 13 | #include "hw/sysbus.h" |
36aa285f | 14 | #include "hw/sd/sd.h" |
8fd06719 | 15 | #include "hw/ssi/ssi.h" |
12ec8bd5 | 16 | #include "hw/arm/boot.h" |
1de7afc9 | 17 | #include "qemu/timer.h" |
0d09e41a | 18 | #include "hw/i2c/i2c.h" |
1422e32d | 19 | #include "net/net.h" |
83c9f4ca | 20 | #include "hw/boards.h" |
03dd024f | 21 | #include "qemu/log.h" |
022c62cb | 22 | #include "exec/address-spaces.h" |
d69ffb5b | 23 | #include "sysemu/sysemu.h" |
f04d4465 | 24 | #include "hw/arm/armv7m.h" |
f0d1d2c1 | 25 | #include "hw/char/pl011.h" |
98fa3327 | 26 | #include "hw/input/gamepad.h" |
64552b6b | 27 | #include "hw/irq.h" |
566528f8 | 28 | #include "hw/watchdog/cmsdk-apb-watchdog.h" |
d6454270 | 29 | #include "migration/vmstate.h" |
aecfbbc9 | 30 | #include "hw/misc/unimp.h" |
f3eb7557 | 31 | #include "hw/timer/stellaris-gptm.h" |
1e31d8ee | 32 | #include "hw/qdev-clock.h" |
db1015e9 | 33 | #include "qom/object.h" |
9ee6e8bb | 34 | |
cf0dbb21 PB |
35 | #define GPIO_A 0 |
36 | #define GPIO_B 1 | |
37 | #define GPIO_C 2 | |
38 | #define GPIO_D 3 | |
39 | #define GPIO_E 4 | |
40 | #define GPIO_F 5 | |
41 | #define GPIO_G 6 | |
42 | ||
43 | #define BP_OLED_I2C 0x01 | |
44 | #define BP_OLED_SSI 0x02 | |
45 | #define BP_GAMEPAD 0x04 | |
46 | ||
8b47b7da AF |
47 | #define NUM_IRQ_LINES 64 |
48 | ||
9ee6e8bb PB |
49 | typedef const struct { |
50 | const char *name; | |
51 | uint32_t did0; | |
52 | uint32_t did1; | |
53 | uint32_t dc0; | |
54 | uint32_t dc1; | |
55 | uint32_t dc2; | |
56 | uint32_t dc3; | |
57 | uint32_t dc4; | |
cf0dbb21 | 58 | uint32_t peripherals; |
9ee6e8bb PB |
59 | } stellaris_board_info; |
60 | ||
9ee6e8bb PB |
61 | /* System controller. */ |
62 | ||
4bebb9ad PM |
63 | #define TYPE_STELLARIS_SYS "stellaris-sys" |
64 | OBJECT_DECLARE_SIMPLE_TYPE(ssys_state, STELLARIS_SYS) | |
65 | ||
66 | struct ssys_state { | |
67 | SysBusDevice parent_obj; | |
68 | ||
5699301f | 69 | MemoryRegion iomem; |
9ee6e8bb PB |
70 | uint32_t pborctl; |
71 | uint32_t ldopctl; | |
72 | uint32_t int_status; | |
73 | uint32_t int_mask; | |
74 | uint32_t resc; | |
75 | uint32_t rcc; | |
dc804ab7 | 76 | uint32_t rcc2; |
9ee6e8bb PB |
77 | uint32_t rcgc[3]; |
78 | uint32_t scgc[3]; | |
79 | uint32_t dcgc[3]; | |
80 | uint32_t clkvclr; | |
81 | uint32_t ldoarst; | |
4bebb9ad | 82 | qemu_irq irq; |
1e31d8ee | 83 | Clock *sysclk; |
4bebb9ad | 84 | /* Properties (all read-only registers) */ |
eea589cc PB |
85 | uint32_t user0; |
86 | uint32_t user1; | |
4bebb9ad PM |
87 | uint32_t did0; |
88 | uint32_t did1; | |
89 | uint32_t dc0; | |
90 | uint32_t dc1; | |
91 | uint32_t dc2; | |
92 | uint32_t dc3; | |
93 | uint32_t dc4; | |
94 | }; | |
9ee6e8bb PB |
95 | |
96 | static void ssys_update(ssys_state *s) | |
97 | { | |
98 | qemu_set_irq(s->irq, (s->int_status & s->int_mask) != 0); | |
99 | } | |
100 | ||
101 | static uint32_t pllcfg_sandstorm[16] = { | |
102 | 0x31c0, /* 1 Mhz */ | |
103 | 0x1ae0, /* 1.8432 Mhz */ | |
104 | 0x18c0, /* 2 Mhz */ | |
105 | 0xd573, /* 2.4576 Mhz */ | |
106 | 0x37a6, /* 3.57954 Mhz */ | |
107 | 0x1ae2, /* 3.6864 Mhz */ | |
108 | 0x0c40, /* 4 Mhz */ | |
109 | 0x98bc, /* 4.906 Mhz */ | |
110 | 0x935b, /* 4.9152 Mhz */ | |
111 | 0x09c0, /* 5 Mhz */ | |
112 | 0x4dee, /* 5.12 Mhz */ | |
113 | 0x0c41, /* 6 Mhz */ | |
114 | 0x75db, /* 6.144 Mhz */ | |
115 | 0x1ae6, /* 7.3728 Mhz */ | |
116 | 0x0600, /* 8 Mhz */ | |
117 | 0x585b /* 8.192 Mhz */ | |
118 | }; | |
119 | ||
120 | static uint32_t pllcfg_fury[16] = { | |
121 | 0x3200, /* 1 Mhz */ | |
122 | 0x1b20, /* 1.8432 Mhz */ | |
123 | 0x1900, /* 2 Mhz */ | |
124 | 0xf42b, /* 2.4576 Mhz */ | |
125 | 0x37e3, /* 3.57954 Mhz */ | |
126 | 0x1b21, /* 3.6864 Mhz */ | |
127 | 0x0c80, /* 4 Mhz */ | |
128 | 0x98ee, /* 4.906 Mhz */ | |
129 | 0xd5b4, /* 4.9152 Mhz */ | |
130 | 0x0a00, /* 5 Mhz */ | |
131 | 0x4e27, /* 5.12 Mhz */ | |
132 | 0x1902, /* 6 Mhz */ | |
133 | 0xec1c, /* 6.144 Mhz */ | |
134 | 0x1b23, /* 7.3728 Mhz */ | |
135 | 0x0640, /* 8 Mhz */ | |
136 | 0xb11c /* 8.192 Mhz */ | |
137 | }; | |
138 | ||
dc804ab7 EA |
139 | #define DID0_VER_MASK 0x70000000 |
140 | #define DID0_VER_0 0x00000000 | |
141 | #define DID0_VER_1 0x10000000 | |
142 | ||
143 | #define DID0_CLASS_MASK 0x00FF0000 | |
144 | #define DID0_CLASS_SANDSTORM 0x00000000 | |
145 | #define DID0_CLASS_FURY 0x00010000 | |
146 | ||
147 | static int ssys_board_class(const ssys_state *s) | |
148 | { | |
4bebb9ad | 149 | uint32_t did0 = s->did0; |
dc804ab7 EA |
150 | switch (did0 & DID0_VER_MASK) { |
151 | case DID0_VER_0: | |
152 | return DID0_CLASS_SANDSTORM; | |
153 | case DID0_VER_1: | |
154 | switch (did0 & DID0_CLASS_MASK) { | |
155 | case DID0_CLASS_SANDSTORM: | |
156 | case DID0_CLASS_FURY: | |
157 | return did0 & DID0_CLASS_MASK; | |
158 | } | |
159 | /* for unknown classes, fall through */ | |
160 | default: | |
df3692e0 PM |
161 | /* This can only happen if the hardwired constant did0 value |
162 | * in this board's stellaris_board_info struct is wrong. | |
163 | */ | |
164 | g_assert_not_reached(); | |
dc804ab7 EA |
165 | } |
166 | } | |
167 | ||
a8170e5e | 168 | static uint64_t ssys_read(void *opaque, hwaddr offset, |
5699301f | 169 | unsigned size) |
9ee6e8bb PB |
170 | { |
171 | ssys_state *s = (ssys_state *)opaque; | |
172 | ||
9ee6e8bb PB |
173 | switch (offset) { |
174 | case 0x000: /* DID0 */ | |
4bebb9ad | 175 | return s->did0; |
9ee6e8bb | 176 | case 0x004: /* DID1 */ |
4bebb9ad | 177 | return s->did1; |
9ee6e8bb | 178 | case 0x008: /* DC0 */ |
4bebb9ad | 179 | return s->dc0; |
9ee6e8bb | 180 | case 0x010: /* DC1 */ |
4bebb9ad | 181 | return s->dc1; |
9ee6e8bb | 182 | case 0x014: /* DC2 */ |
4bebb9ad | 183 | return s->dc2; |
9ee6e8bb | 184 | case 0x018: /* DC3 */ |
4bebb9ad | 185 | return s->dc3; |
9ee6e8bb | 186 | case 0x01c: /* DC4 */ |
4bebb9ad | 187 | return s->dc4; |
9ee6e8bb PB |
188 | case 0x030: /* PBORCTL */ |
189 | return s->pborctl; | |
190 | case 0x034: /* LDOPCTL */ | |
191 | return s->ldopctl; | |
192 | case 0x040: /* SRCR0 */ | |
193 | return 0; | |
194 | case 0x044: /* SRCR1 */ | |
195 | return 0; | |
196 | case 0x048: /* SRCR2 */ | |
197 | return 0; | |
198 | case 0x050: /* RIS */ | |
199 | return s->int_status; | |
200 | case 0x054: /* IMC */ | |
201 | return s->int_mask; | |
202 | case 0x058: /* MISC */ | |
203 | return s->int_status & s->int_mask; | |
204 | case 0x05c: /* RESC */ | |
205 | return s->resc; | |
206 | case 0x060: /* RCC */ | |
207 | return s->rcc; | |
208 | case 0x064: /* PLLCFG */ | |
209 | { | |
210 | int xtal; | |
211 | xtal = (s->rcc >> 6) & 0xf; | |
dc804ab7 EA |
212 | switch (ssys_board_class(s)) { |
213 | case DID0_CLASS_FURY: | |
9ee6e8bb | 214 | return pllcfg_fury[xtal]; |
dc804ab7 | 215 | case DID0_CLASS_SANDSTORM: |
9ee6e8bb | 216 | return pllcfg_sandstorm[xtal]; |
dc804ab7 | 217 | default: |
df3692e0 | 218 | g_assert_not_reached(); |
9ee6e8bb PB |
219 | } |
220 | } | |
dc804ab7 EA |
221 | case 0x070: /* RCC2 */ |
222 | return s->rcc2; | |
9ee6e8bb PB |
223 | case 0x100: /* RCGC0 */ |
224 | return s->rcgc[0]; | |
225 | case 0x104: /* RCGC1 */ | |
226 | return s->rcgc[1]; | |
227 | case 0x108: /* RCGC2 */ | |
228 | return s->rcgc[2]; | |
229 | case 0x110: /* SCGC0 */ | |
230 | return s->scgc[0]; | |
231 | case 0x114: /* SCGC1 */ | |
232 | return s->scgc[1]; | |
233 | case 0x118: /* SCGC2 */ | |
234 | return s->scgc[2]; | |
235 | case 0x120: /* DCGC0 */ | |
236 | return s->dcgc[0]; | |
237 | case 0x124: /* DCGC1 */ | |
238 | return s->dcgc[1]; | |
239 | case 0x128: /* DCGC2 */ | |
240 | return s->dcgc[2]; | |
241 | case 0x150: /* CLKVCLR */ | |
242 | return s->clkvclr; | |
243 | case 0x160: /* LDOARST */ | |
244 | return s->ldoarst; | |
eea589cc PB |
245 | case 0x1e0: /* USER0 */ |
246 | return s->user0; | |
247 | case 0x1e4: /* USER1 */ | |
248 | return s->user1; | |
9ee6e8bb | 249 | default: |
df3692e0 PM |
250 | qemu_log_mask(LOG_GUEST_ERROR, |
251 | "SSYS: read at bad offset 0x%x\n", (int)offset); | |
9ee6e8bb PB |
252 | return 0; |
253 | } | |
254 | } | |
255 | ||
dc804ab7 EA |
256 | static bool ssys_use_rcc2(ssys_state *s) |
257 | { | |
258 | return (s->rcc2 >> 31) & 0x1; | |
259 | } | |
260 | ||
261 | /* | |
1e31d8ee PM |
262 | * Calculate the system clock period. We only want to propagate |
263 | * this change to the rest of the system if we're not being called | |
264 | * from migration post-load. | |
dc804ab7 | 265 | */ |
1e31d8ee | 266 | static void ssys_calculate_system_clock(ssys_state *s, bool propagate_clock) |
23e39294 | 267 | { |
683754c7 | 268 | int period_ns; |
1e31d8ee PM |
269 | /* |
270 | * SYSDIV field specifies divisor: 0 == /1, 1 == /2, etc. Input | |
271 | * clock is 200MHz, which is a period of 5 ns. Dividing the clock | |
272 | * frequency by X is the same as multiplying the period by X. | |
273 | */ | |
dc804ab7 | 274 | if (ssys_use_rcc2(s)) { |
683754c7 | 275 | period_ns = 5 * (((s->rcc2 >> 23) & 0x3f) + 1); |
dc804ab7 | 276 | } else { |
683754c7 | 277 | period_ns = 5 * (((s->rcc >> 23) & 0xf) + 1); |
dc804ab7 | 278 | } |
683754c7 | 279 | clock_set_ns(s->sysclk, period_ns); |
1e31d8ee PM |
280 | if (propagate_clock) { |
281 | clock_propagate(s->sysclk); | |
282 | } | |
23e39294 PB |
283 | } |
284 | ||
a8170e5e | 285 | static void ssys_write(void *opaque, hwaddr offset, |
5699301f | 286 | uint64_t value, unsigned size) |
9ee6e8bb PB |
287 | { |
288 | ssys_state *s = (ssys_state *)opaque; | |
289 | ||
9ee6e8bb PB |
290 | switch (offset) { |
291 | case 0x030: /* PBORCTL */ | |
292 | s->pborctl = value & 0xffff; | |
293 | break; | |
294 | case 0x034: /* LDOPCTL */ | |
295 | s->ldopctl = value & 0x1f; | |
296 | break; | |
297 | case 0x040: /* SRCR0 */ | |
298 | case 0x044: /* SRCR1 */ | |
299 | case 0x048: /* SRCR2 */ | |
9194524b | 300 | qemu_log_mask(LOG_UNIMP, "Peripheral reset not implemented\n"); |
9ee6e8bb PB |
301 | break; |
302 | case 0x054: /* IMC */ | |
303 | s->int_mask = value & 0x7f; | |
304 | break; | |
305 | case 0x058: /* MISC */ | |
306 | s->int_status &= ~value; | |
307 | break; | |
308 | case 0x05c: /* RESC */ | |
309 | s->resc = value & 0x3f; | |
310 | break; | |
311 | case 0x060: /* RCC */ | |
312 | if ((s->rcc & (1 << 13)) != 0 && (value & (1 << 13)) == 0) { | |
313 | /* PLL enable. */ | |
314 | s->int_status |= (1 << 6); | |
315 | } | |
316 | s->rcc = value; | |
1e31d8ee | 317 | ssys_calculate_system_clock(s, true); |
9ee6e8bb | 318 | break; |
dc804ab7 EA |
319 | case 0x070: /* RCC2 */ |
320 | if (ssys_board_class(s) == DID0_CLASS_SANDSTORM) { | |
321 | break; | |
322 | } | |
323 | ||
324 | if ((s->rcc2 & (1 << 13)) != 0 && (value & (1 << 13)) == 0) { | |
325 | /* PLL enable. */ | |
326 | s->int_status |= (1 << 6); | |
327 | } | |
328 | s->rcc2 = value; | |
1e31d8ee | 329 | ssys_calculate_system_clock(s, true); |
dc804ab7 | 330 | break; |
9ee6e8bb PB |
331 | case 0x100: /* RCGC0 */ |
332 | s->rcgc[0] = value; | |
333 | break; | |
334 | case 0x104: /* RCGC1 */ | |
335 | s->rcgc[1] = value; | |
336 | break; | |
337 | case 0x108: /* RCGC2 */ | |
338 | s->rcgc[2] = value; | |
339 | break; | |
340 | case 0x110: /* SCGC0 */ | |
341 | s->scgc[0] = value; | |
342 | break; | |
343 | case 0x114: /* SCGC1 */ | |
344 | s->scgc[1] = value; | |
345 | break; | |
346 | case 0x118: /* SCGC2 */ | |
347 | s->scgc[2] = value; | |
348 | break; | |
349 | case 0x120: /* DCGC0 */ | |
350 | s->dcgc[0] = value; | |
351 | break; | |
352 | case 0x124: /* DCGC1 */ | |
353 | s->dcgc[1] = value; | |
354 | break; | |
355 | case 0x128: /* DCGC2 */ | |
356 | s->dcgc[2] = value; | |
357 | break; | |
358 | case 0x150: /* CLKVCLR */ | |
359 | s->clkvclr = value; | |
360 | break; | |
361 | case 0x160: /* LDOARST */ | |
362 | s->ldoarst = value; | |
363 | break; | |
364 | default: | |
df3692e0 PM |
365 | qemu_log_mask(LOG_GUEST_ERROR, |
366 | "SSYS: write at bad offset 0x%x\n", (int)offset); | |
9ee6e8bb PB |
367 | } |
368 | ssys_update(s); | |
369 | } | |
370 | ||
5699301f BC |
371 | static const MemoryRegionOps ssys_ops = { |
372 | .read = ssys_read, | |
373 | .write = ssys_write, | |
374 | .endianness = DEVICE_NATIVE_ENDIAN, | |
9ee6e8bb PB |
375 | }; |
376 | ||
4bebb9ad | 377 | static void stellaris_sys_reset_enter(Object *obj, ResetType type) |
9ee6e8bb | 378 | { |
4bebb9ad | 379 | ssys_state *s = STELLARIS_SYS(obj); |
9ee6e8bb PB |
380 | |
381 | s->pborctl = 0x7ffd; | |
382 | s->rcc = 0x078e3ac0; | |
dc804ab7 EA |
383 | |
384 | if (ssys_board_class(s) == DID0_CLASS_SANDSTORM) { | |
385 | s->rcc2 = 0; | |
386 | } else { | |
387 | s->rcc2 = 0x07802810; | |
388 | } | |
9ee6e8bb PB |
389 | s->rcgc[0] = 1; |
390 | s->scgc[0] = 1; | |
391 | s->dcgc[0] = 1; | |
4bebb9ad PM |
392 | } |
393 | ||
394 | static void stellaris_sys_reset_hold(Object *obj) | |
395 | { | |
396 | ssys_state *s = STELLARIS_SYS(obj); | |
397 | ||
1e31d8ee PM |
398 | /* OK to propagate clocks from the hold phase */ |
399 | ssys_calculate_system_clock(s, true); | |
9ee6e8bb PB |
400 | } |
401 | ||
4bebb9ad PM |
402 | static void stellaris_sys_reset_exit(Object *obj) |
403 | { | |
404 | } | |
405 | ||
293c16aa | 406 | static int stellaris_sys_post_load(void *opaque, int version_id) |
23e39294 | 407 | { |
293c16aa | 408 | ssys_state *s = opaque; |
23e39294 | 409 | |
1e31d8ee | 410 | ssys_calculate_system_clock(s, false); |
23e39294 PB |
411 | |
412 | return 0; | |
413 | } | |
414 | ||
293c16aa JQ |
415 | static const VMStateDescription vmstate_stellaris_sys = { |
416 | .name = "stellaris_sys", | |
dc804ab7 | 417 | .version_id = 2, |
293c16aa | 418 | .minimum_version_id = 1, |
293c16aa | 419 | .post_load = stellaris_sys_post_load, |
8f1e884b | 420 | .fields = (VMStateField[]) { |
293c16aa JQ |
421 | VMSTATE_UINT32(pborctl, ssys_state), |
422 | VMSTATE_UINT32(ldopctl, ssys_state), | |
423 | VMSTATE_UINT32(int_mask, ssys_state), | |
424 | VMSTATE_UINT32(int_status, ssys_state), | |
425 | VMSTATE_UINT32(resc, ssys_state), | |
426 | VMSTATE_UINT32(rcc, ssys_state), | |
dc804ab7 | 427 | VMSTATE_UINT32_V(rcc2, ssys_state, 2), |
293c16aa JQ |
428 | VMSTATE_UINT32_ARRAY(rcgc, ssys_state, 3), |
429 | VMSTATE_UINT32_ARRAY(scgc, ssys_state, 3), | |
430 | VMSTATE_UINT32_ARRAY(dcgc, ssys_state, 3), | |
431 | VMSTATE_UINT32(clkvclr, ssys_state), | |
432 | VMSTATE_UINT32(ldoarst, ssys_state), | |
1e31d8ee | 433 | /* No field for sysclk -- handled in post-load instead */ |
293c16aa JQ |
434 | VMSTATE_END_OF_LIST() |
435 | } | |
436 | }; | |
437 | ||
4bebb9ad PM |
438 | static Property stellaris_sys_properties[] = { |
439 | DEFINE_PROP_UINT32("user0", ssys_state, user0, 0), | |
440 | DEFINE_PROP_UINT32("user1", ssys_state, user1, 0), | |
441 | DEFINE_PROP_UINT32("did0", ssys_state, did0, 0), | |
442 | DEFINE_PROP_UINT32("did1", ssys_state, did1, 0), | |
443 | DEFINE_PROP_UINT32("dc0", ssys_state, dc0, 0), | |
444 | DEFINE_PROP_UINT32("dc1", ssys_state, dc1, 0), | |
445 | DEFINE_PROP_UINT32("dc2", ssys_state, dc2, 0), | |
446 | DEFINE_PROP_UINT32("dc3", ssys_state, dc3, 0), | |
447 | DEFINE_PROP_UINT32("dc4", ssys_state, dc4, 0), | |
448 | DEFINE_PROP_END_OF_LIST() | |
449 | }; | |
450 | ||
451 | static void stellaris_sys_instance_init(Object *obj) | |
452 | { | |
453 | ssys_state *s = STELLARIS_SYS(obj); | |
454 | SysBusDevice *sbd = SYS_BUS_DEVICE(s); | |
455 | ||
456 | memory_region_init_io(&s->iomem, obj, &ssys_ops, s, "ssys", 0x00001000); | |
457 | sysbus_init_mmio(sbd, &s->iomem); | |
458 | sysbus_init_irq(sbd, &s->irq); | |
1e31d8ee | 459 | s->sysclk = qdev_init_clock_out(DEVICE(s), "SYSCLK"); |
4bebb9ad PM |
460 | } |
461 | ||
9ee6e8bb PB |
462 | /* I2C controller. */ |
463 | ||
d94a4015 | 464 | #define TYPE_STELLARIS_I2C "stellaris-i2c" |
8063396b | 465 | OBJECT_DECLARE_SIMPLE_TYPE(stellaris_i2c_state, STELLARIS_I2C) |
d94a4015 | 466 | |
db1015e9 | 467 | struct stellaris_i2c_state { |
d94a4015 AF |
468 | SysBusDevice parent_obj; |
469 | ||
a5c82852 | 470 | I2CBus *bus; |
9ee6e8bb | 471 | qemu_irq irq; |
8ea72f38 | 472 | MemoryRegion iomem; |
9ee6e8bb PB |
473 | uint32_t msa; |
474 | uint32_t mcs; | |
475 | uint32_t mdr; | |
476 | uint32_t mtpr; | |
477 | uint32_t mimr; | |
478 | uint32_t mris; | |
479 | uint32_t mcr; | |
db1015e9 | 480 | }; |
9ee6e8bb PB |
481 | |
482 | #define STELLARIS_I2C_MCS_BUSY 0x01 | |
483 | #define STELLARIS_I2C_MCS_ERROR 0x02 | |
484 | #define STELLARIS_I2C_MCS_ADRACK 0x04 | |
485 | #define STELLARIS_I2C_MCS_DATACK 0x08 | |
486 | #define STELLARIS_I2C_MCS_ARBLST 0x10 | |
487 | #define STELLARIS_I2C_MCS_IDLE 0x20 | |
488 | #define STELLARIS_I2C_MCS_BUSBSY 0x40 | |
489 | ||
a8170e5e | 490 | static uint64_t stellaris_i2c_read(void *opaque, hwaddr offset, |
8ea72f38 | 491 | unsigned size) |
9ee6e8bb PB |
492 | { |
493 | stellaris_i2c_state *s = (stellaris_i2c_state *)opaque; | |
494 | ||
9ee6e8bb PB |
495 | switch (offset) { |
496 | case 0x00: /* MSA */ | |
497 | return s->msa; | |
498 | case 0x04: /* MCS */ | |
499 | /* We don't emulate timing, so the controller is never busy. */ | |
500 | return s->mcs | STELLARIS_I2C_MCS_IDLE; | |
501 | case 0x08: /* MDR */ | |
502 | return s->mdr; | |
503 | case 0x0c: /* MTPR */ | |
504 | return s->mtpr; | |
505 | case 0x10: /* MIMR */ | |
506 | return s->mimr; | |
507 | case 0x14: /* MRIS */ | |
508 | return s->mris; | |
509 | case 0x18: /* MMIS */ | |
510 | return s->mris & s->mimr; | |
511 | case 0x20: /* MCR */ | |
512 | return s->mcr; | |
513 | default: | |
df3692e0 PM |
514 | qemu_log_mask(LOG_GUEST_ERROR, |
515 | "stellaris_i2c: read at bad offset 0x%x\n", (int)offset); | |
9ee6e8bb PB |
516 | return 0; |
517 | } | |
518 | } | |
519 | ||
520 | static void stellaris_i2c_update(stellaris_i2c_state *s) | |
521 | { | |
522 | int level; | |
523 | ||
524 | level = (s->mris & s->mimr) != 0; | |
525 | qemu_set_irq(s->irq, level); | |
526 | } | |
527 | ||
a8170e5e | 528 | static void stellaris_i2c_write(void *opaque, hwaddr offset, |
8ea72f38 | 529 | uint64_t value, unsigned size) |
9ee6e8bb PB |
530 | { |
531 | stellaris_i2c_state *s = (stellaris_i2c_state *)opaque; | |
532 | ||
9ee6e8bb PB |
533 | switch (offset) { |
534 | case 0x00: /* MSA */ | |
535 | s->msa = value & 0xff; | |
536 | break; | |
537 | case 0x04: /* MCS */ | |
538 | if ((s->mcr & 0x10) == 0) { | |
539 | /* Disabled. Do nothing. */ | |
540 | break; | |
541 | } | |
542 | /* Grab the bus if this is starting a transfer. */ | |
543 | if ((value & 2) && (s->mcs & STELLARIS_I2C_MCS_BUSBSY) == 0) { | |
544 | if (i2c_start_transfer(s->bus, s->msa >> 1, s->msa & 1)) { | |
545 | s->mcs |= STELLARIS_I2C_MCS_ARBLST; | |
546 | } else { | |
547 | s->mcs &= ~STELLARIS_I2C_MCS_ARBLST; | |
548 | s->mcs |= STELLARIS_I2C_MCS_BUSBSY; | |
549 | } | |
550 | } | |
551 | /* If we don't have the bus then indicate an error. */ | |
552 | if (!i2c_bus_busy(s->bus) | |
553 | || (s->mcs & STELLARIS_I2C_MCS_BUSBSY) == 0) { | |
554 | s->mcs |= STELLARIS_I2C_MCS_ERROR; | |
555 | break; | |
556 | } | |
557 | s->mcs &= ~STELLARIS_I2C_MCS_ERROR; | |
558 | if (value & 1) { | |
559 | /* Transfer a byte. */ | |
560 | /* TODO: Handle errors. */ | |
561 | if (s->msa & 1) { | |
562 | /* Recv */ | |
05f9f17e | 563 | s->mdr = i2c_recv(s->bus); |
9ee6e8bb PB |
564 | } else { |
565 | /* Send */ | |
566 | i2c_send(s->bus, s->mdr); | |
567 | } | |
568 | /* Raise an interrupt. */ | |
569 | s->mris |= 1; | |
570 | } | |
571 | if (value & 4) { | |
572 | /* Finish transfer. */ | |
573 | i2c_end_transfer(s->bus); | |
574 | s->mcs &= ~STELLARIS_I2C_MCS_BUSBSY; | |
575 | } | |
576 | break; | |
577 | case 0x08: /* MDR */ | |
578 | s->mdr = value & 0xff; | |
579 | break; | |
580 | case 0x0c: /* MTPR */ | |
581 | s->mtpr = value & 0xff; | |
582 | break; | |
583 | case 0x10: /* MIMR */ | |
584 | s->mimr = 1; | |
585 | break; | |
586 | case 0x1c: /* MICR */ | |
587 | s->mris &= ~value; | |
588 | break; | |
589 | case 0x20: /* MCR */ | |
df3692e0 | 590 | if (value & 1) { |
9492e4b2 PMD |
591 | qemu_log_mask(LOG_UNIMP, |
592 | "stellaris_i2c: Loopback not implemented\n"); | |
df3692e0 PM |
593 | } |
594 | if (value & 0x20) { | |
595 | qemu_log_mask(LOG_UNIMP, | |
9492e4b2 | 596 | "stellaris_i2c: Slave mode not implemented\n"); |
df3692e0 | 597 | } |
9ee6e8bb PB |
598 | s->mcr = value & 0x31; |
599 | break; | |
600 | default: | |
df3692e0 PM |
601 | qemu_log_mask(LOG_GUEST_ERROR, |
602 | "stellaris_i2c: write at bad offset 0x%x\n", (int)offset); | |
9ee6e8bb PB |
603 | } |
604 | stellaris_i2c_update(s); | |
605 | } | |
606 | ||
607 | static void stellaris_i2c_reset(stellaris_i2c_state *s) | |
608 | { | |
609 | if (s->mcs & STELLARIS_I2C_MCS_BUSBSY) | |
610 | i2c_end_transfer(s->bus); | |
611 | ||
612 | s->msa = 0; | |
613 | s->mcs = 0; | |
614 | s->mdr = 0; | |
615 | s->mtpr = 1; | |
616 | s->mimr = 0; | |
617 | s->mris = 0; | |
618 | s->mcr = 0; | |
619 | stellaris_i2c_update(s); | |
620 | } | |
621 | ||
8ea72f38 BC |
622 | static const MemoryRegionOps stellaris_i2c_ops = { |
623 | .read = stellaris_i2c_read, | |
624 | .write = stellaris_i2c_write, | |
625 | .endianness = DEVICE_NATIVE_ENDIAN, | |
9ee6e8bb PB |
626 | }; |
627 | ||
ff269cd0 JQ |
628 | static const VMStateDescription vmstate_stellaris_i2c = { |
629 | .name = "stellaris_i2c", | |
630 | .version_id = 1, | |
631 | .minimum_version_id = 1, | |
8f1e884b | 632 | .fields = (VMStateField[]) { |
ff269cd0 JQ |
633 | VMSTATE_UINT32(msa, stellaris_i2c_state), |
634 | VMSTATE_UINT32(mcs, stellaris_i2c_state), | |
635 | VMSTATE_UINT32(mdr, stellaris_i2c_state), | |
636 | VMSTATE_UINT32(mtpr, stellaris_i2c_state), | |
637 | VMSTATE_UINT32(mimr, stellaris_i2c_state), | |
638 | VMSTATE_UINT32(mris, stellaris_i2c_state), | |
639 | VMSTATE_UINT32(mcr, stellaris_i2c_state), | |
640 | VMSTATE_END_OF_LIST() | |
641 | } | |
642 | }; | |
23e39294 | 643 | |
15c4fff5 | 644 | static void stellaris_i2c_init(Object *obj) |
9ee6e8bb | 645 | { |
15c4fff5 XZ |
646 | DeviceState *dev = DEVICE(obj); |
647 | stellaris_i2c_state *s = STELLARIS_I2C(obj); | |
648 | SysBusDevice *sbd = SYS_BUS_DEVICE(obj); | |
a5c82852 | 649 | I2CBus *bus; |
9ee6e8bb | 650 | |
d94a4015 AF |
651 | sysbus_init_irq(sbd, &s->irq); |
652 | bus = i2c_init_bus(dev, "i2c"); | |
9ee6e8bb PB |
653 | s->bus = bus; |
654 | ||
15c4fff5 | 655 | memory_region_init_io(&s->iomem, obj, &stellaris_i2c_ops, s, |
8ea72f38 | 656 | "i2c", 0x1000); |
d94a4015 | 657 | sysbus_init_mmio(sbd, &s->iomem); |
9ee6e8bb PB |
658 | /* ??? For now we only implement the master interface. */ |
659 | stellaris_i2c_reset(s); | |
660 | } | |
661 | ||
662 | /* Analogue to Digital Converter. This is only partially implemented, | |
663 | enough for applications that use a combined ADC and timer tick. */ | |
664 | ||
665 | #define STELLARIS_ADC_EM_CONTROLLER 0 | |
666 | #define STELLARIS_ADC_EM_COMP 1 | |
667 | #define STELLARIS_ADC_EM_EXTERNAL 4 | |
668 | #define STELLARIS_ADC_EM_TIMER 5 | |
669 | #define STELLARIS_ADC_EM_PWM0 6 | |
670 | #define STELLARIS_ADC_EM_PWM1 7 | |
671 | #define STELLARIS_ADC_EM_PWM2 8 | |
672 | ||
673 | #define STELLARIS_ADC_FIFO_EMPTY 0x0100 | |
674 | #define STELLARIS_ADC_FIFO_FULL 0x1000 | |
675 | ||
7df7f67a | 676 | #define TYPE_STELLARIS_ADC "stellaris-adc" |
db1015e9 | 677 | typedef struct StellarisADCState stellaris_adc_state; |
8110fa1d EH |
678 | DECLARE_INSTANCE_CHECKER(stellaris_adc_state, STELLARIS_ADC, |
679 | TYPE_STELLARIS_ADC) | |
7df7f67a | 680 | |
db1015e9 | 681 | struct StellarisADCState { |
7df7f67a AF |
682 | SysBusDevice parent_obj; |
683 | ||
71a2df05 | 684 | MemoryRegion iomem; |
9ee6e8bb PB |
685 | uint32_t actss; |
686 | uint32_t ris; | |
687 | uint32_t im; | |
688 | uint32_t emux; | |
689 | uint32_t ostat; | |
690 | uint32_t ustat; | |
691 | uint32_t sspri; | |
692 | uint32_t sac; | |
693 | struct { | |
694 | uint32_t state; | |
695 | uint32_t data[16]; | |
696 | } fifo[4]; | |
697 | uint32_t ssmux[4]; | |
698 | uint32_t ssctl[4]; | |
23e39294 | 699 | uint32_t noise; |
2c6554bc | 700 | qemu_irq irq[4]; |
db1015e9 | 701 | }; |
9ee6e8bb PB |
702 | |
703 | static uint32_t stellaris_adc_fifo_read(stellaris_adc_state *s, int n) | |
704 | { | |
705 | int tail; | |
706 | ||
707 | tail = s->fifo[n].state & 0xf; | |
708 | if (s->fifo[n].state & STELLARIS_ADC_FIFO_EMPTY) { | |
709 | s->ustat |= 1 << n; | |
710 | } else { | |
711 | s->fifo[n].state = (s->fifo[n].state & ~0xf) | ((tail + 1) & 0xf); | |
712 | s->fifo[n].state &= ~STELLARIS_ADC_FIFO_FULL; | |
713 | if (tail + 1 == ((s->fifo[n].state >> 4) & 0xf)) | |
714 | s->fifo[n].state |= STELLARIS_ADC_FIFO_EMPTY; | |
715 | } | |
716 | return s->fifo[n].data[tail]; | |
717 | } | |
718 | ||
719 | static void stellaris_adc_fifo_write(stellaris_adc_state *s, int n, | |
720 | uint32_t value) | |
721 | { | |
722 | int head; | |
723 | ||
2c6554bc PB |
724 | /* TODO: Real hardware has limited size FIFOs. We have a full 16 entry |
725 | FIFO fir each sequencer. */ | |
9ee6e8bb PB |
726 | head = (s->fifo[n].state >> 4) & 0xf; |
727 | if (s->fifo[n].state & STELLARIS_ADC_FIFO_FULL) { | |
728 | s->ostat |= 1 << n; | |
729 | return; | |
730 | } | |
731 | s->fifo[n].data[head] = value; | |
732 | head = (head + 1) & 0xf; | |
733 | s->fifo[n].state &= ~STELLARIS_ADC_FIFO_EMPTY; | |
734 | s->fifo[n].state = (s->fifo[n].state & ~0xf0) | (head << 4); | |
735 | if ((s->fifo[n].state & 0xf) == head) | |
736 | s->fifo[n].state |= STELLARIS_ADC_FIFO_FULL; | |
737 | } | |
738 | ||
739 | static void stellaris_adc_update(stellaris_adc_state *s) | |
740 | { | |
741 | int level; | |
2c6554bc | 742 | int n; |
9ee6e8bb | 743 | |
2c6554bc PB |
744 | for (n = 0; n < 4; n++) { |
745 | level = (s->ris & s->im & (1 << n)) != 0; | |
746 | qemu_set_irq(s->irq[n], level); | |
747 | } | |
9ee6e8bb PB |
748 | } |
749 | ||
750 | static void stellaris_adc_trigger(void *opaque, int irq, int level) | |
751 | { | |
752 | stellaris_adc_state *s = (stellaris_adc_state *)opaque; | |
2c6554bc | 753 | int n; |
9ee6e8bb | 754 | |
2c6554bc PB |
755 | for (n = 0; n < 4; n++) { |
756 | if ((s->actss & (1 << n)) == 0) { | |
757 | continue; | |
758 | } | |
9ee6e8bb | 759 | |
2c6554bc PB |
760 | if (((s->emux >> (n * 4)) & 0xff) != 5) { |
761 | continue; | |
762 | } | |
763 | ||
764 | /* Some applications use the ADC as a random number source, so introduce | |
765 | some variation into the signal. */ | |
766 | s->noise = s->noise * 314159 + 1; | |
767 | /* ??? actual inputs not implemented. Return an arbitrary value. */ | |
768 | stellaris_adc_fifo_write(s, n, 0x200 + ((s->noise >> 16) & 7)); | |
769 | s->ris |= (1 << n); | |
770 | stellaris_adc_update(s); | |
771 | } | |
9ee6e8bb PB |
772 | } |
773 | ||
774 | static void stellaris_adc_reset(stellaris_adc_state *s) | |
775 | { | |
776 | int n; | |
777 | ||
778 | for (n = 0; n < 4; n++) { | |
779 | s->ssmux[n] = 0; | |
780 | s->ssctl[n] = 0; | |
781 | s->fifo[n].state = STELLARIS_ADC_FIFO_EMPTY; | |
782 | } | |
783 | } | |
784 | ||
a8170e5e | 785 | static uint64_t stellaris_adc_read(void *opaque, hwaddr offset, |
71a2df05 | 786 | unsigned size) |
9ee6e8bb PB |
787 | { |
788 | stellaris_adc_state *s = (stellaris_adc_state *)opaque; | |
789 | ||
790 | /* TODO: Implement this. */ | |
9ee6e8bb PB |
791 | if (offset >= 0x40 && offset < 0xc0) { |
792 | int n; | |
793 | n = (offset - 0x40) >> 5; | |
794 | switch (offset & 0x1f) { | |
795 | case 0x00: /* SSMUX */ | |
796 | return s->ssmux[n]; | |
797 | case 0x04: /* SSCTL */ | |
798 | return s->ssctl[n]; | |
799 | case 0x08: /* SSFIFO */ | |
800 | return stellaris_adc_fifo_read(s, n); | |
801 | case 0x0c: /* SSFSTAT */ | |
802 | return s->fifo[n].state; | |
803 | default: | |
804 | break; | |
805 | } | |
806 | } | |
807 | switch (offset) { | |
808 | case 0x00: /* ACTSS */ | |
809 | return s->actss; | |
810 | case 0x04: /* RIS */ | |
811 | return s->ris; | |
812 | case 0x08: /* IM */ | |
813 | return s->im; | |
814 | case 0x0c: /* ISC */ | |
815 | return s->ris & s->im; | |
816 | case 0x10: /* OSTAT */ | |
817 | return s->ostat; | |
818 | case 0x14: /* EMUX */ | |
819 | return s->emux; | |
820 | case 0x18: /* USTAT */ | |
821 | return s->ustat; | |
822 | case 0x20: /* SSPRI */ | |
823 | return s->sspri; | |
824 | case 0x30: /* SAC */ | |
825 | return s->sac; | |
826 | default: | |
df3692e0 PM |
827 | qemu_log_mask(LOG_GUEST_ERROR, |
828 | "stellaris_adc: read at bad offset 0x%x\n", (int)offset); | |
9ee6e8bb PB |
829 | return 0; |
830 | } | |
831 | } | |
832 | ||
a8170e5e | 833 | static void stellaris_adc_write(void *opaque, hwaddr offset, |
71a2df05 | 834 | uint64_t value, unsigned size) |
9ee6e8bb PB |
835 | { |
836 | stellaris_adc_state *s = (stellaris_adc_state *)opaque; | |
837 | ||
838 | /* TODO: Implement this. */ | |
9ee6e8bb PB |
839 | if (offset >= 0x40 && offset < 0xc0) { |
840 | int n; | |
841 | n = (offset - 0x40) >> 5; | |
842 | switch (offset & 0x1f) { | |
843 | case 0x00: /* SSMUX */ | |
844 | s->ssmux[n] = value & 0x33333333; | |
845 | return; | |
846 | case 0x04: /* SSCTL */ | |
847 | if (value != 6) { | |
df3692e0 PM |
848 | qemu_log_mask(LOG_UNIMP, |
849 | "ADC: Unimplemented sequence %" PRIx64 "\n", | |
850 | value); | |
9ee6e8bb PB |
851 | } |
852 | s->ssctl[n] = value; | |
853 | return; | |
854 | default: | |
855 | break; | |
856 | } | |
857 | } | |
858 | switch (offset) { | |
859 | case 0x00: /* ACTSS */ | |
860 | s->actss = value & 0xf; | |
9ee6e8bb PB |
861 | break; |
862 | case 0x08: /* IM */ | |
863 | s->im = value; | |
864 | break; | |
865 | case 0x0c: /* ISC */ | |
866 | s->ris &= ~value; | |
867 | break; | |
868 | case 0x10: /* OSTAT */ | |
869 | s->ostat &= ~value; | |
870 | break; | |
871 | case 0x14: /* EMUX */ | |
872 | s->emux = value; | |
873 | break; | |
874 | case 0x18: /* USTAT */ | |
875 | s->ustat &= ~value; | |
876 | break; | |
877 | case 0x20: /* SSPRI */ | |
878 | s->sspri = value; | |
879 | break; | |
880 | case 0x28: /* PSSI */ | |
9492e4b2 | 881 | qemu_log_mask(LOG_UNIMP, "ADC: sample initiate unimplemented\n"); |
9ee6e8bb PB |
882 | break; |
883 | case 0x30: /* SAC */ | |
884 | s->sac = value; | |
885 | break; | |
886 | default: | |
df3692e0 PM |
887 | qemu_log_mask(LOG_GUEST_ERROR, |
888 | "stellaris_adc: write at bad offset 0x%x\n", (int)offset); | |
9ee6e8bb PB |
889 | } |
890 | stellaris_adc_update(s); | |
891 | } | |
892 | ||
71a2df05 BC |
893 | static const MemoryRegionOps stellaris_adc_ops = { |
894 | .read = stellaris_adc_read, | |
895 | .write = stellaris_adc_write, | |
896 | .endianness = DEVICE_NATIVE_ENDIAN, | |
9ee6e8bb PB |
897 | }; |
898 | ||
cf1d31dc JQ |
899 | static const VMStateDescription vmstate_stellaris_adc = { |
900 | .name = "stellaris_adc", | |
901 | .version_id = 1, | |
902 | .minimum_version_id = 1, | |
8f1e884b | 903 | .fields = (VMStateField[]) { |
cf1d31dc JQ |
904 | VMSTATE_UINT32(actss, stellaris_adc_state), |
905 | VMSTATE_UINT32(ris, stellaris_adc_state), | |
906 | VMSTATE_UINT32(im, stellaris_adc_state), | |
907 | VMSTATE_UINT32(emux, stellaris_adc_state), | |
908 | VMSTATE_UINT32(ostat, stellaris_adc_state), | |
909 | VMSTATE_UINT32(ustat, stellaris_adc_state), | |
910 | VMSTATE_UINT32(sspri, stellaris_adc_state), | |
911 | VMSTATE_UINT32(sac, stellaris_adc_state), | |
912 | VMSTATE_UINT32(fifo[0].state, stellaris_adc_state), | |
913 | VMSTATE_UINT32_ARRAY(fifo[0].data, stellaris_adc_state, 16), | |
914 | VMSTATE_UINT32(ssmux[0], stellaris_adc_state), | |
915 | VMSTATE_UINT32(ssctl[0], stellaris_adc_state), | |
916 | VMSTATE_UINT32(fifo[1].state, stellaris_adc_state), | |
917 | VMSTATE_UINT32_ARRAY(fifo[1].data, stellaris_adc_state, 16), | |
918 | VMSTATE_UINT32(ssmux[1], stellaris_adc_state), | |
919 | VMSTATE_UINT32(ssctl[1], stellaris_adc_state), | |
920 | VMSTATE_UINT32(fifo[2].state, stellaris_adc_state), | |
921 | VMSTATE_UINT32_ARRAY(fifo[2].data, stellaris_adc_state, 16), | |
922 | VMSTATE_UINT32(ssmux[2], stellaris_adc_state), | |
923 | VMSTATE_UINT32(ssctl[2], stellaris_adc_state), | |
924 | VMSTATE_UINT32(fifo[3].state, stellaris_adc_state), | |
925 | VMSTATE_UINT32_ARRAY(fifo[3].data, stellaris_adc_state, 16), | |
926 | VMSTATE_UINT32(ssmux[3], stellaris_adc_state), | |
927 | VMSTATE_UINT32(ssctl[3], stellaris_adc_state), | |
928 | VMSTATE_UINT32(noise, stellaris_adc_state), | |
929 | VMSTATE_END_OF_LIST() | |
23e39294 | 930 | } |
cf1d31dc | 931 | }; |
23e39294 | 932 | |
15c4fff5 | 933 | static void stellaris_adc_init(Object *obj) |
9ee6e8bb | 934 | { |
15c4fff5 XZ |
935 | DeviceState *dev = DEVICE(obj); |
936 | stellaris_adc_state *s = STELLARIS_ADC(obj); | |
937 | SysBusDevice *sbd = SYS_BUS_DEVICE(obj); | |
2c6554bc | 938 | int n; |
9ee6e8bb | 939 | |
2c6554bc | 940 | for (n = 0; n < 4; n++) { |
7df7f67a | 941 | sysbus_init_irq(sbd, &s->irq[n]); |
2c6554bc | 942 | } |
9ee6e8bb | 943 | |
15c4fff5 | 944 | memory_region_init_io(&s->iomem, obj, &stellaris_adc_ops, s, |
71a2df05 | 945 | "adc", 0x1000); |
7df7f67a | 946 | sysbus_init_mmio(sbd, &s->iomem); |
9ee6e8bb | 947 | stellaris_adc_reset(s); |
7df7f67a | 948 | qdev_init_gpio_in(dev, stellaris_adc_trigger, 1); |
9ee6e8bb PB |
949 | } |
950 | ||
951 | /* Board init. */ | |
952 | static stellaris_board_info stellaris_boards[] = { | |
953 | { "LM3S811EVB", | |
954 | 0, | |
955 | 0x0032000e, | |
956 | 0x001f001f, /* dc0 */ | |
957 | 0x001132bf, | |
958 | 0x01071013, | |
959 | 0x3f0f01ff, | |
960 | 0x0000001f, | |
cf0dbb21 | 961 | BP_OLED_I2C |
9ee6e8bb PB |
962 | }, |
963 | { "LM3S6965EVB", | |
964 | 0x10010002, | |
965 | 0x1073402e, | |
966 | 0x00ff007f, /* dc0 */ | |
967 | 0x001133ff, | |
968 | 0x030f5317, | |
969 | 0x0f0f87ff, | |
970 | 0x5000007f, | |
cf0dbb21 | 971 | BP_OLED_SSI | BP_GAMEPAD |
9ee6e8bb PB |
972 | } |
973 | }; | |
974 | ||
ba1ba5cc | 975 | static void stellaris_init(MachineState *ms, stellaris_board_info *board) |
9ee6e8bb PB |
976 | { |
977 | static const int uart_irq[] = {5, 6, 33, 34}; | |
978 | static const int timer_irq[] = {19, 21, 23, 35}; | |
979 | static const uint32_t gpio_addr[7] = | |
980 | { 0x40004000, 0x40005000, 0x40006000, 0x40007000, | |
981 | 0x40024000, 0x40025000, 0x40026000}; | |
982 | static const int gpio_irq[7] = {0, 1, 2, 3, 4, 30, 31}; | |
983 | ||
394c8bbf PM |
984 | /* Memory map of SoC devices, from |
985 | * Stellaris LM3S6965 Microcontroller Data Sheet (rev I) | |
986 | * http://www.ti.com/lit/ds/symlink/lm3s6965.pdf | |
987 | * | |
566528f8 | 988 | * 40000000 wdtimer |
394c8bbf PM |
989 | * 40002000 i2c (unimplemented) |
990 | * 40004000 GPIO | |
991 | * 40005000 GPIO | |
992 | * 40006000 GPIO | |
993 | * 40007000 GPIO | |
994 | * 40008000 SSI | |
995 | * 4000c000 UART | |
996 | * 4000d000 UART | |
997 | * 4000e000 UART | |
998 | * 40020000 i2c | |
999 | * 40021000 i2c (unimplemented) | |
1000 | * 40024000 GPIO | |
1001 | * 40025000 GPIO | |
1002 | * 40026000 GPIO | |
1003 | * 40028000 PWM (unimplemented) | |
1004 | * 4002c000 QEI (unimplemented) | |
1005 | * 4002d000 QEI (unimplemented) | |
1006 | * 40030000 gptimer | |
1007 | * 40031000 gptimer | |
1008 | * 40032000 gptimer | |
1009 | * 40033000 gptimer | |
1010 | * 40038000 ADC | |
1011 | * 4003c000 analogue comparator (unimplemented) | |
1012 | * 40048000 ethernet | |
1013 | * 400fc000 hibernation module (unimplemented) | |
1014 | * 400fd000 flash memory control (unimplemented) | |
1015 | * 400fe000 system control | |
1016 | */ | |
1017 | ||
20c59c38 | 1018 | DeviceState *gpio_dev[7], *nvic; |
40905a6a PB |
1019 | qemu_irq gpio_in[7][8]; |
1020 | qemu_irq gpio_out[7][8]; | |
9ee6e8bb PB |
1021 | qemu_irq adc; |
1022 | int sram_size; | |
1023 | int flash_size; | |
a5c82852 | 1024 | I2CBus *i2c; |
40905a6a | 1025 | DeviceState *dev; |
1e31d8ee | 1026 | DeviceState *ssys_dev; |
9ee6e8bb | 1027 | int i; |
40905a6a | 1028 | int j; |
8ecda75f | 1029 | const uint8_t *macaddr; |
9ee6e8bb | 1030 | |
fe6ac447 AF |
1031 | MemoryRegion *sram = g_new(MemoryRegion, 1); |
1032 | MemoryRegion *flash = g_new(MemoryRegion, 1); | |
1033 | MemoryRegion *system_memory = get_system_memory(); | |
1034 | ||
1035 | flash_size = (((board->dc0 & 0xffff) + 1) << 1) * 1024; | |
1036 | sram_size = ((board->dc0 >> 18) + 1) * 1024; | |
1037 | ||
1038 | /* Flash programming is done via the SCU, so pretend it is ROM. */ | |
16260006 | 1039 | memory_region_init_rom(flash, NULL, "stellaris.flash", flash_size, |
f8ed85ac | 1040 | &error_fatal); |
fe6ac447 AF |
1041 | memory_region_add_subregion(system_memory, 0, flash); |
1042 | ||
98a99ce0 | 1043 | memory_region_init_ram(sram, NULL, "stellaris.sram", sram_size, |
f8ed85ac | 1044 | &error_fatal); |
fe6ac447 AF |
1045 | memory_region_add_subregion(system_memory, 0x20000000, sram); |
1046 | ||
a861b3e9 PM |
1047 | /* |
1048 | * Create the system-registers object early, because we will | |
1049 | * need its sysclk output. | |
1050 | */ | |
1051 | ssys_dev = qdev_new(TYPE_STELLARIS_SYS); | |
1052 | /* Most devices come preprogrammed with a MAC address in the user data. */ | |
1053 | macaddr = nd_table[0].macaddr.a; | |
1054 | qdev_prop_set_uint32(ssys_dev, "user0", | |
1055 | macaddr[0] | (macaddr[1] << 8) | (macaddr[2] << 16)); | |
1056 | qdev_prop_set_uint32(ssys_dev, "user1", | |
1057 | macaddr[3] | (macaddr[4] << 8) | (macaddr[5] << 16)); | |
1058 | qdev_prop_set_uint32(ssys_dev, "did0", board->did0); | |
1059 | qdev_prop_set_uint32(ssys_dev, "did1", board->did1); | |
1060 | qdev_prop_set_uint32(ssys_dev, "dc0", board->dc0); | |
1061 | qdev_prop_set_uint32(ssys_dev, "dc1", board->dc1); | |
1062 | qdev_prop_set_uint32(ssys_dev, "dc2", board->dc2); | |
1063 | qdev_prop_set_uint32(ssys_dev, "dc3", board->dc3); | |
1064 | qdev_prop_set_uint32(ssys_dev, "dc4", board->dc4); | |
1065 | sysbus_realize_and_unref(SYS_BUS_DEVICE(ssys_dev), &error_fatal); | |
1066 | ||
3e80f690 | 1067 | nvic = qdev_new(TYPE_ARMV7M); |
f04d4465 PM |
1068 | qdev_prop_set_uint32(nvic, "num-irq", NUM_IRQ_LINES); |
1069 | qdev_prop_set_string(nvic, "cpu-type", ms->cpu_type); | |
a1c5a062 | 1070 | qdev_prop_set_bit(nvic, "enable-bitband", true); |
8ecda75f PM |
1071 | qdev_connect_clock_in(nvic, "cpuclk", |
1072 | qdev_get_clock_out(ssys_dev, "SYSCLK")); | |
1073 | /* This SoC does not connect the systick reference clock */ | |
5325cc34 MA |
1074 | object_property_set_link(OBJECT(nvic), "memory", |
1075 | OBJECT(get_system_memory()), &error_abort); | |
f04d4465 | 1076 | /* This will exit with an error if the user passed us a bad cpu_type */ |
3c6ef471 | 1077 | sysbus_realize_and_unref(SYS_BUS_DEVICE(nvic), &error_fatal); |
9ee6e8bb | 1078 | |
a861b3e9 PM |
1079 | /* Now we can wire up the IRQ and MMIO of the system registers */ |
1080 | sysbus_mmio_map(SYS_BUS_DEVICE(ssys_dev), 0, 0x400fe000); | |
1081 | sysbus_connect_irq(SYS_BUS_DEVICE(ssys_dev), 0, qdev_get_gpio_in(nvic, 28)); | |
1082 | ||
9ee6e8bb | 1083 | if (board->dc1 & (1 << 16)) { |
7df7f67a | 1084 | dev = sysbus_create_varargs(TYPE_STELLARIS_ADC, 0x40038000, |
20c59c38 MD |
1085 | qdev_get_gpio_in(nvic, 14), |
1086 | qdev_get_gpio_in(nvic, 15), | |
1087 | qdev_get_gpio_in(nvic, 16), | |
1088 | qdev_get_gpio_in(nvic, 17), | |
1089 | NULL); | |
40905a6a | 1090 | adc = qdev_get_gpio_in(dev, 0); |
9ee6e8bb PB |
1091 | } else { |
1092 | adc = NULL; | |
1093 | } | |
1094 | for (i = 0; i < 4; i++) { | |
1095 | if (board->dc2 & (0x10000 << i)) { | |
d18fdd69 PM |
1096 | SysBusDevice *sbd; |
1097 | ||
1098 | dev = qdev_new(TYPE_STELLARIS_GPTM); | |
1099 | sbd = SYS_BUS_DEVICE(dev); | |
1100 | qdev_connect_clock_in(dev, "clk", | |
1101 | qdev_get_clock_out(ssys_dev, "SYSCLK")); | |
1102 | sysbus_realize_and_unref(sbd, &error_fatal); | |
1103 | sysbus_mmio_map(sbd, 0, 0x40030000 + i * 0x1000); | |
1104 | sysbus_connect_irq(sbd, 0, qdev_get_gpio_in(nvic, timer_irq[i])); | |
40905a6a PB |
1105 | /* TODO: This is incorrect, but we get away with it because |
1106 | the ADC output is only ever pulsed. */ | |
1107 | qdev_connect_gpio_out(dev, 0, adc); | |
9ee6e8bb PB |
1108 | } |
1109 | } | |
1110 | ||
566528f8 | 1111 | if (board->dc1 & (1 << 3)) { /* watchdog present */ |
3e80f690 | 1112 | dev = qdev_new(TYPE_LUMINARY_WATCHDOG); |
566528f8 | 1113 | |
1e31d8ee PM |
1114 | qdev_connect_clock_in(dev, "WDOGCLK", |
1115 | qdev_get_clock_out(ssys_dev, "SYSCLK")); | |
566528f8 | 1116 | |
3c6ef471 | 1117 | sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal); |
566528f8 MH |
1118 | sysbus_mmio_map(SYS_BUS_DEVICE(dev), |
1119 | 0, | |
1120 | 0x40000000u); | |
1121 | sysbus_connect_irq(SYS_BUS_DEVICE(dev), | |
1122 | 0, | |
1123 | qdev_get_gpio_in(nvic, 18)); | |
1124 | } | |
1125 | ||
1126 | ||
9ee6e8bb PB |
1127 | for (i = 0; i < 7; i++) { |
1128 | if (board->dc4 & (1 << i)) { | |
7063f49f | 1129 | gpio_dev[i] = sysbus_create_simple("pl061_luminary", gpio_addr[i], |
20c59c38 MD |
1130 | qdev_get_gpio_in(nvic, |
1131 | gpio_irq[i])); | |
40905a6a PB |
1132 | for (j = 0; j < 8; j++) { |
1133 | gpio_in[i][j] = qdev_get_gpio_in(gpio_dev[i], j); | |
1134 | gpio_out[i][j] = NULL; | |
1135 | } | |
9ee6e8bb PB |
1136 | } |
1137 | } | |
1138 | ||
1139 | if (board->dc2 & (1 << 12)) { | |
20c59c38 MD |
1140 | dev = sysbus_create_simple(TYPE_STELLARIS_I2C, 0x40020000, |
1141 | qdev_get_gpio_in(nvic, 8)); | |
a5c82852 | 1142 | i2c = (I2CBus *)qdev_get_child_bus(dev, "i2c"); |
cf0dbb21 | 1143 | if (board->peripherals & BP_OLED_I2C) { |
1373b15b | 1144 | i2c_slave_create_simple(i2c, "ssd0303", 0x3d); |
9ee6e8bb PB |
1145 | } |
1146 | } | |
1147 | ||
1148 | for (i = 0; i < 4; i++) { | |
1149 | if (board->dc2 & (1 << i)) { | |
f0d1d2c1 XZ |
1150 | pl011_luminary_create(0x4000c000 + i * 0x1000, |
1151 | qdev_get_gpio_in(nvic, uart_irq[i]), | |
9bca0edb | 1152 | serial_hd(i)); |
9ee6e8bb PB |
1153 | } |
1154 | } | |
1155 | if (board->dc2 & (1 << 4)) { | |
20c59c38 MD |
1156 | dev = sysbus_create_simple("pl022", 0x40008000, |
1157 | qdev_get_gpio_in(nvic, 7)); | |
cf0dbb21 | 1158 | if (board->peripherals & BP_OLED_SSI) { |
5493e33f | 1159 | void *bus; |
8120e714 PC |
1160 | DeviceState *sddev; |
1161 | DeviceState *ssddev; | |
36aa285f MA |
1162 | DriveInfo *dinfo; |
1163 | DeviceState *carddev; | |
d0a030d8 | 1164 | DeviceState *gpio_d_splitter; |
36aa285f | 1165 | BlockBackend *blk; |
8120e714 | 1166 | |
5092e014 PM |
1167 | /* |
1168 | * Some boards have both an OLED controller and SD card connected to | |
8120e714 PC |
1169 | * the same SSI port, with the SD card chip select connected to a |
1170 | * GPIO pin. Technically the OLED chip select is connected to the | |
1171 | * SSI Fss pin. We do not bother emulating that as both devices | |
1172 | * should never be selected simultaneously, and our OLED controller | |
1173 | * ignores stray 0xff commands that occur when deselecting the SD | |
1174 | * card. | |
5092e014 PM |
1175 | * |
1176 | * The h/w wiring is: | |
1177 | * - GPIO pin D0 is wired to the active-low SD card chip select | |
1178 | * - GPIO pin A3 is wired to the active-low OLED chip select | |
1179 | * - The SoC wiring of the PL061 "auxiliary function" for A3 is | |
1180 | * SSI0Fss ("frame signal"), which is an output from the SoC's | |
1181 | * SSI controller. The SSI controller takes SSI0Fss low when it | |
1182 | * transmits a frame, so it can work as a chip-select signal. | |
1183 | * - GPIO A4 is aux-function SSI0Rx, and wired to the SD card Tx | |
1184 | * (the OLED never sends data to the CPU, so no wiring needed) | |
1185 | * - GPIO A5 is aux-function SSI0Tx, and wired to the SD card Rx | |
1186 | * and the OLED display-data-in | |
1187 | * - GPIO A2 is aux-function SSI0Clk, wired to SD card and OLED | |
1188 | * serial-clock input | |
1189 | * So a guest that wants to use the OLED can configure the PL061 | |
1190 | * to make pins A2, A3, A5 aux-function, so they are connected | |
1191 | * directly to the SSI controller. When the SSI controller sends | |
1192 | * data it asserts SSI0Fss which selects the OLED. | |
1193 | * A guest that wants to use the SD card configures A2, A4 and A5 | |
1194 | * as aux-function, but leaves A3 as a software-controlled GPIO | |
1195 | * line. It asserts the SD card chip-select by using the PL061 | |
1196 | * to control pin D0, and lets the SSI controller handle Clk, Tx | |
1197 | * and Rx. (The SSI controller asserts Fss during tx cycles as | |
1198 | * usual, but because A3 is not set to aux-function this is not | |
1199 | * forwarded to the OLED, and so the OLED stays unselected.) | |
1200 | * | |
1201 | * The QEMU implementation instead is: | |
1202 | * - GPIO pin D0 is wired to the active-low SD card chip select, | |
1203 | * and also to the OLED chip-select which is implemented | |
1204 | * as *active-high* | |
1205 | * - SSI controller signals go to the devices regardless of | |
1206 | * whether the guest programs A2, A4, A5 as aux-function or not | |
1207 | * | |
1208 | * The problem with this implementation is if the guest doesn't | |
1209 | * care about the SD card and only uses the OLED. In that case it | |
1210 | * may choose never to do anything with D0 (leaving it in its | |
1211 | * default floating state, which reliably leaves the card disabled | |
1212 | * because an SD card has a pullup on CS within the card itself), | |
1213 | * and only set up A2, A3, A5. This for us would mean the OLED | |
1214 | * never gets the chip-select assert it needs. We work around | |
1215 | * this with a manual raise of D0 here (despite board creation | |
1216 | * code being the wrong place to raise IRQ lines) to put the OLED | |
1217 | * into an initially selected state. | |
1218 | * | |
1219 | * In theory the right way to model this would be: | |
1220 | * - Implement aux-function support in the PL061, with an | |
1221 | * extra set of AFIN and AFOUT GPIO lines (set up so that | |
1222 | * if a GPIO line is in auxfn mode the main GPIO in and out | |
1223 | * track the AFIN and AFOUT lines) | |
1224 | * - Wire the AFOUT for D0 up to either a line from the | |
1225 | * SSI controller that's pulled low around every transmit, | |
1226 | * or at least to an always-0 line here on the board | |
1227 | * - Make the ssd0323 OLED controller chipselect active-low | |
8120e714 | 1228 | */ |
5493e33f | 1229 | bus = qdev_get_child_bus(dev, "ssi"); |
ec7e429b | 1230 | sddev = ssi_create_peripheral(bus, "ssi-sd"); |
36aa285f MA |
1231 | |
1232 | dinfo = drive_get(IF_SD, 0, 0); | |
1233 | blk = dinfo ? blk_by_legacy_dinfo(dinfo) : NULL; | |
1234 | carddev = qdev_new(TYPE_SD_CARD); | |
1235 | qdev_prop_set_drive_err(carddev, "drive", blk, &error_fatal); | |
1236 | qdev_prop_set_bit(carddev, "spi", true); | |
1237 | qdev_realize_and_unref(carddev, | |
1238 | qdev_get_child_bus(sddev, "sd-bus"), | |
1239 | &error_fatal); | |
1240 | ||
ec7e429b | 1241 | ssddev = ssi_create_peripheral(bus, "ssd0323"); |
d0a030d8 ZL |
1242 | |
1243 | gpio_d_splitter = qdev_new(TYPE_SPLIT_IRQ); | |
1244 | qdev_prop_set_uint32(gpio_d_splitter, "num-lines", 2); | |
1245 | qdev_realize_and_unref(gpio_d_splitter, NULL, &error_fatal); | |
1246 | qdev_connect_gpio_out( | |
1247 | gpio_d_splitter, 0, | |
1248 | qdev_get_gpio_in_named(sddev, SSI_GPIO_CS, 0)); | |
1249 | qdev_connect_gpio_out( | |
1250 | gpio_d_splitter, 1, | |
de77914e | 1251 | qdev_get_gpio_in_named(ssddev, SSI_GPIO_CS, 0)); |
d0a030d8 ZL |
1252 | gpio_out[GPIO_D][0] = qdev_get_gpio_in(gpio_d_splitter, 0); |
1253 | ||
de77914e | 1254 | gpio_out[GPIO_C][7] = qdev_get_gpio_in(ssddev, 0); |
775616c3 | 1255 | |
775616c3 PB |
1256 | /* Make sure the select pin is high. */ |
1257 | qemu_irq_raise(gpio_out[GPIO_D][0]); | |
9ee6e8bb PB |
1258 | } |
1259 | } | |
a5580466 PB |
1260 | if (board->dc4 & (1 << 28)) { |
1261 | DeviceState *enet; | |
1262 | ||
1263 | qemu_check_nic_model(&nd_table[0], "stellaris"); | |
1264 | ||
3e80f690 | 1265 | enet = qdev_new("stellaris_enet"); |
540f006a | 1266 | qdev_set_nic_properties(enet, &nd_table[0]); |
3c6ef471 | 1267 | sysbus_realize_and_unref(SYS_BUS_DEVICE(enet), &error_fatal); |
1356b98d | 1268 | sysbus_mmio_map(SYS_BUS_DEVICE(enet), 0, 0x40048000); |
20c59c38 | 1269 | sysbus_connect_irq(SYS_BUS_DEVICE(enet), 0, qdev_get_gpio_in(nvic, 42)); |
a5580466 | 1270 | } |
cf0dbb21 PB |
1271 | if (board->peripherals & BP_GAMEPAD) { |
1272 | qemu_irq gpad_irq[5]; | |
1273 | static const int gpad_keycode[5] = { 0xc8, 0xd0, 0xcb, 0xcd, 0x1d }; | |
1274 | ||
1275 | gpad_irq[0] = qemu_irq_invert(gpio_in[GPIO_E][0]); /* up */ | |
1276 | gpad_irq[1] = qemu_irq_invert(gpio_in[GPIO_E][1]); /* down */ | |
1277 | gpad_irq[2] = qemu_irq_invert(gpio_in[GPIO_E][2]); /* left */ | |
1278 | gpad_irq[3] = qemu_irq_invert(gpio_in[GPIO_E][3]); /* right */ | |
1279 | gpad_irq[4] = qemu_irq_invert(gpio_in[GPIO_F][1]); /* select */ | |
1280 | ||
1281 | stellaris_gamepad_init(5, gpad_irq, gpad_keycode); | |
1282 | } | |
40905a6a PB |
1283 | for (i = 0; i < 7; i++) { |
1284 | if (board->dc4 & (1 << i)) { | |
1285 | for (j = 0; j < 8; j++) { | |
1286 | if (gpio_out[i][j]) { | |
1287 | qdev_connect_gpio_out(gpio_dev[i], j, gpio_out[i][j]); | |
1288 | } | |
1289 | } | |
1290 | } | |
1291 | } | |
aecfbbc9 PM |
1292 | |
1293 | /* Add dummy regions for the devices we don't implement yet, | |
1294 | * so guest accesses don't cause unlogged crashes. | |
1295 | */ | |
aecfbbc9 PM |
1296 | create_unimplemented_device("i2c-0", 0x40002000, 0x1000); |
1297 | create_unimplemented_device("i2c-2", 0x40021000, 0x1000); | |
1298 | create_unimplemented_device("PWM", 0x40028000, 0x1000); | |
1299 | create_unimplemented_device("QEI-0", 0x4002c000, 0x1000); | |
1300 | create_unimplemented_device("QEI-1", 0x4002d000, 0x1000); | |
1301 | create_unimplemented_device("analogue-comparator", 0x4003c000, 0x1000); | |
1302 | create_unimplemented_device("hibernation", 0x400fc000, 0x1000); | |
1303 | create_unimplemented_device("flash-control", 0x400fd000, 0x1000); | |
f04d4465 | 1304 | |
761c532a | 1305 | armv7m_load_kernel(ARM_CPU(first_cpu), ms->kernel_filename, 0, flash_size); |
9ee6e8bb PB |
1306 | } |
1307 | ||
1308 | /* FIXME: Figure out how to generate these from stellaris_boards. */ | |
3ef96221 | 1309 | static void lm3s811evb_init(MachineState *machine) |
9ee6e8bb | 1310 | { |
ba1ba5cc | 1311 | stellaris_init(machine, &stellaris_boards[0]); |
9ee6e8bb PB |
1312 | } |
1313 | ||
3ef96221 | 1314 | static void lm3s6965evb_init(MachineState *machine) |
9ee6e8bb | 1315 | { |
ba1ba5cc | 1316 | stellaris_init(machine, &stellaris_boards[1]); |
9ee6e8bb PB |
1317 | } |
1318 | ||
8a661aea | 1319 | static void lm3s811evb_class_init(ObjectClass *oc, void *data) |
e264d29d | 1320 | { |
8a661aea AF |
1321 | MachineClass *mc = MACHINE_CLASS(oc); |
1322 | ||
fd8f71b9 | 1323 | mc->desc = "Stellaris LM3S811EVB (Cortex-M3)"; |
e264d29d | 1324 | mc->init = lm3s811evb_init; |
4672cbd7 | 1325 | mc->ignore_memory_transaction_failures = true; |
ba1ba5cc | 1326 | mc->default_cpu_type = ARM_CPU_TYPE_NAME("cortex-m3"); |
e264d29d | 1327 | } |
9ee6e8bb | 1328 | |
8a661aea AF |
1329 | static const TypeInfo lm3s811evb_type = { |
1330 | .name = MACHINE_TYPE_NAME("lm3s811evb"), | |
1331 | .parent = TYPE_MACHINE, | |
1332 | .class_init = lm3s811evb_class_init, | |
1333 | }; | |
1de9610c | 1334 | |
8a661aea | 1335 | static void lm3s6965evb_class_init(ObjectClass *oc, void *data) |
f80f9ec9 | 1336 | { |
8a661aea AF |
1337 | MachineClass *mc = MACHINE_CLASS(oc); |
1338 | ||
fd8f71b9 | 1339 | mc->desc = "Stellaris LM3S6965EVB (Cortex-M3)"; |
e264d29d | 1340 | mc->init = lm3s6965evb_init; |
4672cbd7 | 1341 | mc->ignore_memory_transaction_failures = true; |
ba1ba5cc | 1342 | mc->default_cpu_type = ARM_CPU_TYPE_NAME("cortex-m3"); |
f80f9ec9 AL |
1343 | } |
1344 | ||
8a661aea AF |
1345 | static const TypeInfo lm3s6965evb_type = { |
1346 | .name = MACHINE_TYPE_NAME("lm3s6965evb"), | |
1347 | .parent = TYPE_MACHINE, | |
1348 | .class_init = lm3s6965evb_class_init, | |
1349 | }; | |
1350 | ||
1351 | static void stellaris_machine_init(void) | |
1352 | { | |
1353 | type_register_static(&lm3s811evb_type); | |
1354 | type_register_static(&lm3s6965evb_type); | |
1355 | } | |
1356 | ||
0e6aac87 | 1357 | type_init(stellaris_machine_init) |
f80f9ec9 | 1358 | |
999e12bb AL |
1359 | static void stellaris_i2c_class_init(ObjectClass *klass, void *data) |
1360 | { | |
15c4fff5 | 1361 | DeviceClass *dc = DEVICE_CLASS(klass); |
999e12bb | 1362 | |
15c4fff5 | 1363 | dc->vmsd = &vmstate_stellaris_i2c; |
999e12bb AL |
1364 | } |
1365 | ||
8c43a6f0 | 1366 | static const TypeInfo stellaris_i2c_info = { |
d94a4015 | 1367 | .name = TYPE_STELLARIS_I2C, |
39bffca2 AL |
1368 | .parent = TYPE_SYS_BUS_DEVICE, |
1369 | .instance_size = sizeof(stellaris_i2c_state), | |
15c4fff5 | 1370 | .instance_init = stellaris_i2c_init, |
39bffca2 | 1371 | .class_init = stellaris_i2c_class_init, |
999e12bb AL |
1372 | }; |
1373 | ||
999e12bb AL |
1374 | static void stellaris_adc_class_init(ObjectClass *klass, void *data) |
1375 | { | |
15c4fff5 | 1376 | DeviceClass *dc = DEVICE_CLASS(klass); |
999e12bb | 1377 | |
15c4fff5 | 1378 | dc->vmsd = &vmstate_stellaris_adc; |
999e12bb AL |
1379 | } |
1380 | ||
8c43a6f0 | 1381 | static const TypeInfo stellaris_adc_info = { |
7df7f67a | 1382 | .name = TYPE_STELLARIS_ADC, |
39bffca2 AL |
1383 | .parent = TYPE_SYS_BUS_DEVICE, |
1384 | .instance_size = sizeof(stellaris_adc_state), | |
15c4fff5 | 1385 | .instance_init = stellaris_adc_init, |
39bffca2 | 1386 | .class_init = stellaris_adc_class_init, |
999e12bb AL |
1387 | }; |
1388 | ||
4bebb9ad PM |
1389 | static void stellaris_sys_class_init(ObjectClass *klass, void *data) |
1390 | { | |
1391 | DeviceClass *dc = DEVICE_CLASS(klass); | |
1392 | ResettableClass *rc = RESETTABLE_CLASS(klass); | |
1393 | ||
1394 | dc->vmsd = &vmstate_stellaris_sys; | |
1395 | rc->phases.enter = stellaris_sys_reset_enter; | |
1396 | rc->phases.hold = stellaris_sys_reset_hold; | |
1397 | rc->phases.exit = stellaris_sys_reset_exit; | |
1398 | device_class_set_props(dc, stellaris_sys_properties); | |
1399 | } | |
1400 | ||
1401 | static const TypeInfo stellaris_sys_info = { | |
1402 | .name = TYPE_STELLARIS_SYS, | |
1403 | .parent = TYPE_SYS_BUS_DEVICE, | |
1404 | .instance_size = sizeof(ssys_state), | |
1405 | .instance_init = stellaris_sys_instance_init, | |
1406 | .class_init = stellaris_sys_class_init, | |
1407 | }; | |
1408 | ||
83f7d43a | 1409 | static void stellaris_register_types(void) |
1de9610c | 1410 | { |
39bffca2 | 1411 | type_register_static(&stellaris_i2c_info); |
39bffca2 | 1412 | type_register_static(&stellaris_adc_info); |
4bebb9ad | 1413 | type_register_static(&stellaris_sys_info); |
1de9610c PB |
1414 | } |
1415 | ||
83f7d43a | 1416 | type_init(stellaris_register_types) |