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Commit | Line | Data |
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5fafdf24 | 1 | /* |
b5ff1b31 FB |
2 | * ARM Integrator CP System emulation. |
3 | * | |
a1bb27b1 | 4 | * Copyright (c) 2005-2007 CodeSourcery. |
b5ff1b31 FB |
5 | * Written by Paul Brook |
6 | * | |
8e31bf38 | 7 | * This code is licensed under the GPL |
b5ff1b31 FB |
8 | */ |
9 | ||
12b16722 | 10 | #include "qemu/osdep.h" |
da34e65c | 11 | #include "qapi/error.h" |
4771d756 PB |
12 | #include "qemu-common.h" |
13 | #include "cpu.h" | |
83c9f4ca | 14 | #include "hw/sysbus.h" |
bd2be150 | 15 | #include "hw/devices.h" |
83c9f4ca | 16 | #include "hw/boards.h" |
bd2be150 | 17 | #include "hw/arm/arm.h" |
b8616055 | 18 | #include "hw/misc/arm_integrator_debug.h" |
1422e32d | 19 | #include "net/net.h" |
022c62cb | 20 | #include "exec/address-spaces.h" |
9c17d615 | 21 | #include "sysemu/sysemu.h" |
223a72f1 | 22 | #include "qemu/error-report.h" |
f0d1d2c1 | 23 | #include "hw/char/pl011.h" |
b5ff1b31 | 24 | |
257ec289 AF |
25 | #define TYPE_INTEGRATOR_CM "integrator_core" |
26 | #define INTEGRATOR_CM(obj) \ | |
27 | OBJECT_CHECK(IntegratorCMState, (obj), TYPE_INTEGRATOR_CM) | |
28 | ||
29 | typedef struct IntegratorCMState { | |
30 | /*< private >*/ | |
31 | SysBusDevice parent_obj; | |
32 | /*< public >*/ | |
33 | ||
71d9bc50 | 34 | MemoryRegion iomem; |
ee6847d1 | 35 | uint32_t memsz; |
211adf4d | 36 | MemoryRegion flash; |
b5ff1b31 FB |
37 | uint32_t cm_osc; |
38 | uint32_t cm_ctrl; | |
39 | uint32_t cm_lock; | |
40 | uint32_t cm_auxosc; | |
41 | uint32_t cm_sdram; | |
42 | uint32_t cm_init; | |
43 | uint32_t cm_flags; | |
44 | uint32_t cm_nvflags; | |
f53977f7 | 45 | uint32_t cm_refcnt_offset; |
b5ff1b31 FB |
46 | uint32_t int_level; |
47 | uint32_t irq_enabled; | |
48 | uint32_t fiq_enabled; | |
257ec289 | 49 | } IntegratorCMState; |
b5ff1b31 FB |
50 | |
51 | static uint8_t integrator_spd[128] = { | |
52 | 128, 8, 4, 11, 9, 1, 64, 0, 2, 0xa0, 0xa0, 0, 0, 8, 0, 1, | |
53 | 0xe, 4, 0x1c, 1, 2, 0x20, 0xc0, 0, 0, 0, 0, 0x30, 0x28, 0x30, 0x28, 0x40 | |
54 | }; | |
55 | ||
26d32022 PD |
56 | static const VMStateDescription vmstate_integratorcm = { |
57 | .name = "integratorcm", | |
58 | .version_id = 1, | |
59 | .minimum_version_id = 1, | |
60 | .fields = (VMStateField[]) { | |
61 | VMSTATE_UINT32(cm_osc, IntegratorCMState), | |
62 | VMSTATE_UINT32(cm_ctrl, IntegratorCMState), | |
63 | VMSTATE_UINT32(cm_lock, IntegratorCMState), | |
64 | VMSTATE_UINT32(cm_auxosc, IntegratorCMState), | |
65 | VMSTATE_UINT32(cm_sdram, IntegratorCMState), | |
66 | VMSTATE_UINT32(cm_init, IntegratorCMState), | |
67 | VMSTATE_UINT32(cm_flags, IntegratorCMState), | |
68 | VMSTATE_UINT32(cm_nvflags, IntegratorCMState), | |
69 | VMSTATE_UINT32(int_level, IntegratorCMState), | |
70 | VMSTATE_UINT32(irq_enabled, IntegratorCMState), | |
71 | VMSTATE_UINT32(fiq_enabled, IntegratorCMState), | |
72 | VMSTATE_END_OF_LIST() | |
73 | } | |
74 | }; | |
75 | ||
a8170e5e | 76 | static uint64_t integratorcm_read(void *opaque, hwaddr offset, |
71d9bc50 | 77 | unsigned size) |
b5ff1b31 | 78 | { |
257ec289 | 79 | IntegratorCMState *s = opaque; |
b5ff1b31 FB |
80 | if (offset >= 0x100 && offset < 0x200) { |
81 | /* CM_SPD */ | |
82 | if (offset >= 0x180) | |
83 | return 0; | |
84 | return integrator_spd[offset >> 2]; | |
85 | } | |
86 | switch (offset >> 2) { | |
87 | case 0: /* CM_ID */ | |
88 | return 0x411a3001; | |
89 | case 1: /* CM_PROC */ | |
90 | return 0; | |
91 | case 2: /* CM_OSC */ | |
92 | return s->cm_osc; | |
93 | case 3: /* CM_CTRL */ | |
94 | return s->cm_ctrl; | |
95 | case 4: /* CM_STAT */ | |
96 | return 0x00100000; | |
97 | case 5: /* CM_LOCK */ | |
98 | if (s->cm_lock == 0xa05f) { | |
99 | return 0x1a05f; | |
100 | } else { | |
101 | return s->cm_lock; | |
102 | } | |
103 | case 6: /* CM_LMBUSCNT */ | |
104 | /* ??? High frequency timer. */ | |
2ac71179 | 105 | hw_error("integratorcm_read: CM_LMBUSCNT"); |
b5ff1b31 FB |
106 | case 7: /* CM_AUXOSC */ |
107 | return s->cm_auxosc; | |
108 | case 8: /* CM_SDRAM */ | |
109 | return s->cm_sdram; | |
110 | case 9: /* CM_INIT */ | |
111 | return s->cm_init; | |
f53977f7 JP |
112 | case 10: /* CM_REFCNT */ |
113 | /* This register, CM_REFCNT, provides a 32-bit count value. | |
114 | * The count increments at the fixed reference clock frequency of 24MHz | |
115 | * and can be used as a real-time counter. | |
116 | */ | |
117 | return (uint32_t)muldiv64(qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL), 24, | |
118 | 1000) - s->cm_refcnt_offset; | |
b5ff1b31 FB |
119 | case 12: /* CM_FLAGS */ |
120 | return s->cm_flags; | |
121 | case 14: /* CM_NVFLAGS */ | |
122 | return s->cm_nvflags; | |
123 | case 16: /* CM_IRQ_STAT */ | |
124 | return s->int_level & s->irq_enabled; | |
125 | case 17: /* CM_IRQ_RSTAT */ | |
126 | return s->int_level; | |
127 | case 18: /* CM_IRQ_ENSET */ | |
128 | return s->irq_enabled; | |
129 | case 20: /* CM_SOFT_INTSET */ | |
130 | return s->int_level & 1; | |
131 | case 24: /* CM_FIQ_STAT */ | |
132 | return s->int_level & s->fiq_enabled; | |
133 | case 25: /* CM_FIQ_RSTAT */ | |
134 | return s->int_level; | |
135 | case 26: /* CM_FIQ_ENSET */ | |
136 | return s->fiq_enabled; | |
137 | case 32: /* CM_VOLTAGE_CTL0 */ | |
138 | case 33: /* CM_VOLTAGE_CTL1 */ | |
139 | case 34: /* CM_VOLTAGE_CTL2 */ | |
140 | case 35: /* CM_VOLTAGE_CTL3 */ | |
141 | /* ??? Voltage control unimplemented. */ | |
142 | return 0; | |
143 | default: | |
2ac71179 PB |
144 | hw_error("integratorcm_read: Unimplemented offset 0x%x\n", |
145 | (int)offset); | |
b5ff1b31 FB |
146 | return 0; |
147 | } | |
148 | } | |
149 | ||
257ec289 | 150 | static void integratorcm_do_remap(IntegratorCMState *s) |
b5ff1b31 | 151 | { |
563c2bf3 PM |
152 | /* Sync memory region state with CM_CTRL REMAP bit: |
153 | * bit 0 => flash at address 0; bit 1 => RAM | |
154 | */ | |
155 | memory_region_set_enabled(&s->flash, !(s->cm_ctrl & 4)); | |
b5ff1b31 FB |
156 | } |
157 | ||
257ec289 | 158 | static void integratorcm_set_ctrl(IntegratorCMState *s, uint32_t value) |
b5ff1b31 FB |
159 | { |
160 | if (value & 8) { | |
cf83f140 | 161 | qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET); |
b5ff1b31 | 162 | } |
df3f457b PM |
163 | if ((s->cm_ctrl ^ value) & 1) { |
164 | /* (value & 1) != 0 means the green "MISC LED" is lit. | |
165 | * We don't have any nice place to display LEDs. printf is a bad | |
166 | * idea because Linux uses the LED as a heartbeat and the output | |
167 | * will swamp anything else on the terminal. | |
168 | */ | |
b5ff1b31 | 169 | } |
df3f457b PM |
170 | /* Note that the RESET bit [3] always reads as zero */ |
171 | s->cm_ctrl = (s->cm_ctrl & ~5) | (value & 5); | |
563c2bf3 | 172 | integratorcm_do_remap(s); |
b5ff1b31 FB |
173 | } |
174 | ||
257ec289 | 175 | static void integratorcm_update(IntegratorCMState *s) |
b5ff1b31 FB |
176 | { |
177 | /* ??? The CPU irq/fiq is raised when either the core module or base PIC | |
178 | are active. */ | |
179 | if (s->int_level & (s->irq_enabled | s->fiq_enabled)) | |
2ac71179 | 180 | hw_error("Core module interrupt\n"); |
b5ff1b31 FB |
181 | } |
182 | ||
a8170e5e | 183 | static void integratorcm_write(void *opaque, hwaddr offset, |
71d9bc50 | 184 | uint64_t value, unsigned size) |
b5ff1b31 | 185 | { |
257ec289 | 186 | IntegratorCMState *s = opaque; |
b5ff1b31 FB |
187 | switch (offset >> 2) { |
188 | case 2: /* CM_OSC */ | |
189 | if (s->cm_lock == 0xa05f) | |
190 | s->cm_osc = value; | |
191 | break; | |
192 | case 3: /* CM_CTRL */ | |
193 | integratorcm_set_ctrl(s, value); | |
194 | break; | |
195 | case 5: /* CM_LOCK */ | |
196 | s->cm_lock = value & 0xffff; | |
197 | break; | |
198 | case 7: /* CM_AUXOSC */ | |
199 | if (s->cm_lock == 0xa05f) | |
200 | s->cm_auxosc = value; | |
201 | break; | |
202 | case 8: /* CM_SDRAM */ | |
203 | s->cm_sdram = value; | |
204 | break; | |
205 | case 9: /* CM_INIT */ | |
206 | /* ??? This can change the memory bus frequency. */ | |
207 | s->cm_init = value; | |
208 | break; | |
209 | case 12: /* CM_FLAGSS */ | |
210 | s->cm_flags |= value; | |
211 | break; | |
212 | case 13: /* CM_FLAGSC */ | |
213 | s->cm_flags &= ~value; | |
214 | break; | |
215 | case 14: /* CM_NVFLAGSS */ | |
216 | s->cm_nvflags |= value; | |
217 | break; | |
218 | case 15: /* CM_NVFLAGSS */ | |
219 | s->cm_nvflags &= ~value; | |
220 | break; | |
221 | case 18: /* CM_IRQ_ENSET */ | |
222 | s->irq_enabled |= value; | |
223 | integratorcm_update(s); | |
224 | break; | |
225 | case 19: /* CM_IRQ_ENCLR */ | |
226 | s->irq_enabled &= ~value; | |
227 | integratorcm_update(s); | |
228 | break; | |
229 | case 20: /* CM_SOFT_INTSET */ | |
230 | s->int_level |= (value & 1); | |
231 | integratorcm_update(s); | |
232 | break; | |
233 | case 21: /* CM_SOFT_INTCLR */ | |
234 | s->int_level &= ~(value & 1); | |
235 | integratorcm_update(s); | |
236 | break; | |
237 | case 26: /* CM_FIQ_ENSET */ | |
238 | s->fiq_enabled |= value; | |
239 | integratorcm_update(s); | |
240 | break; | |
241 | case 27: /* CM_FIQ_ENCLR */ | |
242 | s->fiq_enabled &= ~value; | |
243 | integratorcm_update(s); | |
244 | break; | |
245 | case 32: /* CM_VOLTAGE_CTL0 */ | |
246 | case 33: /* CM_VOLTAGE_CTL1 */ | |
247 | case 34: /* CM_VOLTAGE_CTL2 */ | |
248 | case 35: /* CM_VOLTAGE_CTL3 */ | |
249 | /* ??? Voltage control unimplemented. */ | |
250 | break; | |
251 | default: | |
2ac71179 PB |
252 | hw_error("integratorcm_write: Unimplemented offset 0x%x\n", |
253 | (int)offset); | |
b5ff1b31 FB |
254 | break; |
255 | } | |
256 | } | |
257 | ||
258 | /* Integrator/CM control registers. */ | |
259 | ||
71d9bc50 BC |
260 | static const MemoryRegionOps integratorcm_ops = { |
261 | .read = integratorcm_read, | |
262 | .write = integratorcm_write, | |
263 | .endianness = DEVICE_NATIVE_ENDIAN, | |
b5ff1b31 FB |
264 | }; |
265 | ||
a1f42e0c | 266 | static void integratorcm_init(Object *obj) |
b5ff1b31 | 267 | { |
a1f42e0c XZ |
268 | IntegratorCMState *s = INTEGRATOR_CM(obj); |
269 | SysBusDevice *dev = SYS_BUS_DEVICE(obj); | |
b5ff1b31 | 270 | |
b5ff1b31 FB |
271 | s->cm_osc = 0x01000048; |
272 | /* ??? What should the high bits of this value be? */ | |
273 | s->cm_auxosc = 0x0007feff; | |
274 | s->cm_sdram = 0x00011122; | |
e9d9ee23 JJ |
275 | memcpy(integrator_spd + 73, "QEMU-MEMORY", 11); |
276 | s->cm_init = 0x00000112; | |
277 | s->cm_refcnt_offset = muldiv64(qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL), 24, | |
278 | 1000); | |
1cfe48c1 | 279 | memory_region_init_ram_nomigrate(&s->flash, obj, "integrator.flash", 0x100000, |
e9d9ee23 JJ |
280 | &error_fatal); |
281 | vmstate_register_ram_global(&s->flash); | |
282 | ||
283 | memory_region_init_io(&s->iomem, obj, &integratorcm_ops, s, | |
284 | "integratorcm", 0x00800000); | |
285 | sysbus_init_mmio(dev, &s->iomem); | |
286 | ||
287 | integratorcm_do_remap(s); | |
288 | /* ??? Save/restore. */ | |
289 | } | |
290 | ||
291 | static void integratorcm_realize(DeviceState *d, Error **errp) | |
292 | { | |
293 | IntegratorCMState *s = INTEGRATOR_CM(d); | |
294 | ||
ee6847d1 | 295 | if (s->memsz >= 256) { |
b5ff1b31 FB |
296 | integrator_spd[31] = 64; |
297 | s->cm_sdram |= 0x10; | |
ee6847d1 | 298 | } else if (s->memsz >= 128) { |
b5ff1b31 FB |
299 | integrator_spd[31] = 32; |
300 | s->cm_sdram |= 0x0c; | |
ee6847d1 | 301 | } else if (s->memsz >= 64) { |
b5ff1b31 FB |
302 | integrator_spd[31] = 16; |
303 | s->cm_sdram |= 0x08; | |
ee6847d1 | 304 | } else if (s->memsz >= 32) { |
b5ff1b31 FB |
305 | integrator_spd[31] = 4; |
306 | s->cm_sdram |= 0x04; | |
307 | } else { | |
308 | integrator_spd[31] = 2; | |
309 | } | |
b5ff1b31 FB |
310 | } |
311 | ||
312 | /* Integrator/CP hardware emulation. */ | |
313 | /* Primary interrupt controller. */ | |
314 | ||
91b64626 AF |
315 | #define TYPE_INTEGRATOR_PIC "integrator_pic" |
316 | #define INTEGRATOR_PIC(obj) \ | |
317 | OBJECT_CHECK(icp_pic_state, (obj), TYPE_INTEGRATOR_PIC) | |
318 | ||
319 | typedef struct icp_pic_state { | |
320 | /*< private >*/ | |
321 | SysBusDevice parent_obj; | |
322 | /*< public >*/ | |
323 | ||
324 | MemoryRegion iomem; | |
325 | uint32_t level; | |
326 | uint32_t irq_enabled; | |
327 | uint32_t fiq_enabled; | |
328 | qemu_irq parent_irq; | |
329 | qemu_irq parent_fiq; | |
b5ff1b31 FB |
330 | } icp_pic_state; |
331 | ||
26d32022 PD |
332 | static const VMStateDescription vmstate_icp_pic = { |
333 | .name = "icp_pic", | |
334 | .version_id = 1, | |
335 | .minimum_version_id = 1, | |
336 | .fields = (VMStateField[]) { | |
337 | VMSTATE_UINT32(level, icp_pic_state), | |
338 | VMSTATE_UINT32(irq_enabled, icp_pic_state), | |
339 | VMSTATE_UINT32(fiq_enabled, icp_pic_state), | |
340 | VMSTATE_END_OF_LIST() | |
341 | } | |
342 | }; | |
343 | ||
b5ff1b31 FB |
344 | static void icp_pic_update(icp_pic_state *s) |
345 | { | |
cdbdb648 | 346 | uint32_t flags; |
b5ff1b31 | 347 | |
d537cf6c PB |
348 | flags = (s->level & s->irq_enabled); |
349 | qemu_set_irq(s->parent_irq, flags != 0); | |
350 | flags = (s->level & s->fiq_enabled); | |
351 | qemu_set_irq(s->parent_fiq, flags != 0); | |
b5ff1b31 FB |
352 | } |
353 | ||
cdbdb648 | 354 | static void icp_pic_set_irq(void *opaque, int irq, int level) |
b5ff1b31 | 355 | { |
80337b66 | 356 | icp_pic_state *s = (icp_pic_state *)opaque; |
b5ff1b31 | 357 | if (level) |
80337b66 | 358 | s->level |= 1 << irq; |
b5ff1b31 | 359 | else |
80337b66 | 360 | s->level &= ~(1 << irq); |
b5ff1b31 FB |
361 | icp_pic_update(s); |
362 | } | |
363 | ||
a8170e5e | 364 | static uint64_t icp_pic_read(void *opaque, hwaddr offset, |
61074e46 | 365 | unsigned size) |
b5ff1b31 FB |
366 | { |
367 | icp_pic_state *s = (icp_pic_state *)opaque; | |
368 | ||
b5ff1b31 FB |
369 | switch (offset >> 2) { |
370 | case 0: /* IRQ_STATUS */ | |
371 | return s->level & s->irq_enabled; | |
372 | case 1: /* IRQ_RAWSTAT */ | |
373 | return s->level; | |
374 | case 2: /* IRQ_ENABLESET */ | |
375 | return s->irq_enabled; | |
376 | case 4: /* INT_SOFTSET */ | |
377 | return s->level & 1; | |
378 | case 8: /* FRQ_STATUS */ | |
379 | return s->level & s->fiq_enabled; | |
380 | case 9: /* FRQ_RAWSTAT */ | |
381 | return s->level; | |
382 | case 10: /* FRQ_ENABLESET */ | |
383 | return s->fiq_enabled; | |
384 | case 3: /* IRQ_ENABLECLR */ | |
385 | case 5: /* INT_SOFTCLR */ | |
386 | case 11: /* FRQ_ENABLECLR */ | |
387 | default: | |
29bfb117 | 388 | printf ("icp_pic_read: Bad register offset 0x%x\n", (int)offset); |
b5ff1b31 FB |
389 | return 0; |
390 | } | |
391 | } | |
392 | ||
a8170e5e | 393 | static void icp_pic_write(void *opaque, hwaddr offset, |
61074e46 | 394 | uint64_t value, unsigned size) |
b5ff1b31 FB |
395 | { |
396 | icp_pic_state *s = (icp_pic_state *)opaque; | |
b5ff1b31 FB |
397 | |
398 | switch (offset >> 2) { | |
399 | case 2: /* IRQ_ENABLESET */ | |
400 | s->irq_enabled |= value; | |
401 | break; | |
402 | case 3: /* IRQ_ENABLECLR */ | |
403 | s->irq_enabled &= ~value; | |
404 | break; | |
405 | case 4: /* INT_SOFTSET */ | |
406 | if (value & 1) | |
d537cf6c | 407 | icp_pic_set_irq(s, 0, 1); |
b5ff1b31 FB |
408 | break; |
409 | case 5: /* INT_SOFTCLR */ | |
410 | if (value & 1) | |
d537cf6c | 411 | icp_pic_set_irq(s, 0, 0); |
b5ff1b31 FB |
412 | break; |
413 | case 10: /* FRQ_ENABLESET */ | |
414 | s->fiq_enabled |= value; | |
415 | break; | |
416 | case 11: /* FRQ_ENABLECLR */ | |
417 | s->fiq_enabled &= ~value; | |
418 | break; | |
419 | case 0: /* IRQ_STATUS */ | |
420 | case 1: /* IRQ_RAWSTAT */ | |
421 | case 8: /* FRQ_STATUS */ | |
422 | case 9: /* FRQ_RAWSTAT */ | |
423 | default: | |
29bfb117 | 424 | printf ("icp_pic_write: Bad register offset 0x%x\n", (int)offset); |
b5ff1b31 FB |
425 | return; |
426 | } | |
427 | icp_pic_update(s); | |
428 | } | |
429 | ||
61074e46 BC |
430 | static const MemoryRegionOps icp_pic_ops = { |
431 | .read = icp_pic_read, | |
432 | .write = icp_pic_write, | |
433 | .endianness = DEVICE_NATIVE_ENDIAN, | |
b5ff1b31 FB |
434 | }; |
435 | ||
a1f42e0c | 436 | static void icp_pic_init(Object *obj) |
b5ff1b31 | 437 | { |
a1f42e0c XZ |
438 | DeviceState *dev = DEVICE(obj); |
439 | icp_pic_state *s = INTEGRATOR_PIC(obj); | |
440 | SysBusDevice *sbd = SYS_BUS_DEVICE(obj); | |
b5ff1b31 | 441 | |
91b64626 AF |
442 | qdev_init_gpio_in(dev, icp_pic_set_irq, 32); |
443 | sysbus_init_irq(sbd, &s->parent_irq); | |
444 | sysbus_init_irq(sbd, &s->parent_fiq); | |
a1f42e0c | 445 | memory_region_init_io(&s->iomem, obj, &icp_pic_ops, s, |
64bde0f3 | 446 | "icp-pic", 0x00800000); |
91b64626 | 447 | sysbus_init_mmio(sbd, &s->iomem); |
b5ff1b31 FB |
448 | } |
449 | ||
b5ff1b31 | 450 | /* CP control registers. */ |
0c36493e | 451 | |
ffc8542a JK |
452 | #define TYPE_ICP_CONTROL_REGS "icp-ctrl-regs" |
453 | #define ICP_CONTROL_REGS(obj) \ | |
454 | OBJECT_CHECK(ICPCtrlRegsState, (obj), TYPE_ICP_CONTROL_REGS) | |
455 | ||
456 | typedef struct ICPCtrlRegsState { | |
457 | /*< private >*/ | |
458 | SysBusDevice parent_obj; | |
459 | /*< public >*/ | |
460 | ||
461 | MemoryRegion iomem; | |
83d0cf89 JK |
462 | |
463 | qemu_irq mmc_irq; | |
464 | uint32_t intreg_state; | |
ffc8542a JK |
465 | } ICPCtrlRegsState; |
466 | ||
83d0cf89 JK |
467 | #define ICP_GPIO_MMC_WPROT "mmc-wprot" |
468 | #define ICP_GPIO_MMC_CARDIN "mmc-cardin" | |
469 | ||
470 | #define ICP_INTREG_WPROT (1 << 0) | |
471 | #define ICP_INTREG_CARDIN (1 << 3) | |
472 | ||
26d32022 PD |
473 | static const VMStateDescription vmstate_icp_control = { |
474 | .name = "icp_control", | |
475 | .version_id = 1, | |
476 | .minimum_version_id = 1, | |
477 | .fields = (VMStateField[]) { | |
478 | VMSTATE_UINT32(intreg_state, ICPCtrlRegsState), | |
479 | VMSTATE_END_OF_LIST() | |
480 | } | |
481 | }; | |
482 | ||
a8170e5e | 483 | static uint64_t icp_control_read(void *opaque, hwaddr offset, |
0c36493e | 484 | unsigned size) |
b5ff1b31 | 485 | { |
83d0cf89 JK |
486 | ICPCtrlRegsState *s = opaque; |
487 | ||
b5ff1b31 FB |
488 | switch (offset >> 2) { |
489 | case 0: /* CP_IDFIELD */ | |
490 | return 0x41034003; | |
491 | case 1: /* CP_FLASHPROG */ | |
492 | return 0; | |
493 | case 2: /* CP_INTREG */ | |
83d0cf89 | 494 | return s->intreg_state; |
b5ff1b31 FB |
495 | case 3: /* CP_DECODE */ |
496 | return 0x11; | |
497 | default: | |
2ac71179 | 498 | hw_error("icp_control_read: Bad offset %x\n", (int)offset); |
b5ff1b31 FB |
499 | return 0; |
500 | } | |
501 | } | |
502 | ||
a8170e5e | 503 | static void icp_control_write(void *opaque, hwaddr offset, |
0c36493e | 504 | uint64_t value, unsigned size) |
b5ff1b31 | 505 | { |
83d0cf89 JK |
506 | ICPCtrlRegsState *s = opaque; |
507 | ||
b5ff1b31 | 508 | switch (offset >> 2) { |
b5ff1b31 | 509 | case 2: /* CP_INTREG */ |
83d0cf89 JK |
510 | s->intreg_state &= ~(value & ICP_INTREG_CARDIN); |
511 | qemu_set_irq(s->mmc_irq, !!(s->intreg_state & ICP_INTREG_CARDIN)); | |
512 | break; | |
513 | case 1: /* CP_FLASHPROG */ | |
b5ff1b31 FB |
514 | case 3: /* CP_DECODE */ |
515 | /* Nothing interesting implemented yet. */ | |
516 | break; | |
517 | default: | |
2ac71179 | 518 | hw_error("icp_control_write: Bad offset %x\n", (int)offset); |
b5ff1b31 FB |
519 | } |
520 | } | |
b5ff1b31 | 521 | |
0c36493e BC |
522 | static const MemoryRegionOps icp_control_ops = { |
523 | .read = icp_control_read, | |
524 | .write = icp_control_write, | |
525 | .endianness = DEVICE_NATIVE_ENDIAN, | |
b5ff1b31 FB |
526 | }; |
527 | ||
83d0cf89 JK |
528 | static void icp_control_mmc_wprot(void *opaque, int line, int level) |
529 | { | |
530 | ICPCtrlRegsState *s = opaque; | |
531 | ||
532 | s->intreg_state &= ~ICP_INTREG_WPROT; | |
533 | if (level) { | |
534 | s->intreg_state |= ICP_INTREG_WPROT; | |
535 | } | |
536 | } | |
537 | ||
538 | static void icp_control_mmc_cardin(void *opaque, int line, int level) | |
539 | { | |
540 | ICPCtrlRegsState *s = opaque; | |
541 | ||
542 | /* line is released by writing to CP_INTREG */ | |
543 | if (level) { | |
544 | s->intreg_state |= ICP_INTREG_CARDIN; | |
545 | qemu_set_irq(s->mmc_irq, 1); | |
546 | } | |
547 | } | |
548 | ||
ffc8542a | 549 | static void icp_control_init(Object *obj) |
b5ff1b31 | 550 | { |
ffc8542a JK |
551 | SysBusDevice *sbd = SYS_BUS_DEVICE(obj); |
552 | ICPCtrlRegsState *s = ICP_CONTROL_REGS(obj); | |
83d0cf89 | 553 | DeviceState *dev = DEVICE(obj); |
b5ff1b31 | 554 | |
ffc8542a JK |
555 | memory_region_init_io(&s->iomem, OBJECT(s), &icp_control_ops, s, |
556 | "icp_ctrl_regs", 0x00800000); | |
557 | sysbus_init_mmio(sbd, &s->iomem); | |
83d0cf89 JK |
558 | |
559 | qdev_init_gpio_in_named(dev, icp_control_mmc_wprot, ICP_GPIO_MMC_WPROT, 1); | |
560 | qdev_init_gpio_in_named(dev, icp_control_mmc_cardin, | |
561 | ICP_GPIO_MMC_CARDIN, 1); | |
562 | sysbus_init_irq(sbd, &s->mmc_irq); | |
b5ff1b31 FB |
563 | } |
564 | ||
565 | ||
b5ff1b31 FB |
566 | /* Board init. */ |
567 | ||
f93eb9ff AZ |
568 | static struct arm_boot_info integrator_binfo = { |
569 | .loader_start = 0x0, | |
570 | .board_id = 0x113, | |
571 | }; | |
572 | ||
3ef96221 | 573 | static void integratorcp_init(MachineState *machine) |
b5ff1b31 | 574 | { |
3ef96221 MA |
575 | ram_addr_t ram_size = machine->ram_size; |
576 | const char *cpu_model = machine->cpu_model; | |
577 | const char *kernel_filename = machine->kernel_filename; | |
578 | const char *kernel_cmdline = machine->kernel_cmdline; | |
579 | const char *initrd_filename = machine->initrd_filename; | |
00909b58 | 580 | char **cpustr; |
223a72f1 | 581 | ObjectClass *cpu_oc; |
00909b58 | 582 | CPUClass *cc; |
223a72f1 | 583 | Object *cpuobj; |
393a9eab | 584 | ARMCPU *cpu; |
00909b58 | 585 | const char *typename; |
211adf4d AK |
586 | MemoryRegion *address_space_mem = get_system_memory(); |
587 | MemoryRegion *ram = g_new(MemoryRegion, 1); | |
588 | MemoryRegion *ram_alias = g_new(MemoryRegion, 1); | |
a7086888 | 589 | qemu_irq pic[32]; |
83d0cf89 | 590 | DeviceState *dev, *sic, *icp; |
a7086888 | 591 | int i; |
00909b58 | 592 | Error *err = NULL; |
b5ff1b31 | 593 | |
393a9eab | 594 | if (!cpu_model) { |
3371d272 | 595 | cpu_model = "arm926"; |
393a9eab | 596 | } |
223a72f1 | 597 | |
00909b58 JB |
598 | cpustr = g_strsplit(cpu_model, ",", 2); |
599 | ||
600 | cpu_oc = cpu_class_by_name(TYPE_ARM_CPU, cpustr[0]); | |
223a72f1 | 601 | if (!cpu_oc) { |
aaed909a FB |
602 | fprintf(stderr, "Unable to find CPU definition\n"); |
603 | exit(1); | |
604 | } | |
00909b58 JB |
605 | typename = object_class_get_name(cpu_oc); |
606 | ||
607 | cc = CPU_CLASS(cpu_oc); | |
608 | cc->parse_features(typename, cpustr[1], &err); | |
609 | g_strfreev(cpustr); | |
610 | if (err) { | |
611 | error_report_err(err); | |
612 | exit(1); | |
613 | } | |
393a9eab | 614 | |
00909b58 | 615 | cpuobj = object_new(typename); |
223a72f1 | 616 | |
61e2f352 GB |
617 | /* By default ARM1176 CPUs have EL3 enabled. This board does not |
618 | * currently support EL3 so the CPU EL3 property is disabled before | |
619 | * realization. | |
620 | */ | |
621 | if (object_property_find(cpuobj, "has_el3", NULL)) { | |
007b0657 | 622 | object_property_set_bool(cpuobj, false, "has_el3", &error_fatal); |
61e2f352 GB |
623 | } |
624 | ||
007b0657 | 625 | object_property_set_bool(cpuobj, true, "realized", &error_fatal); |
223a72f1 GB |
626 | |
627 | cpu = ARM_CPU(cpuobj); | |
628 | ||
c8623c02 DM |
629 | memory_region_allocate_system_memory(ram, NULL, "integrator.ram", |
630 | ram_size); | |
b5ff1b31 | 631 | /* ??? On a real system the first 1Mb is mapped as SSRAM or boot flash. */ |
1235fc06 | 632 | /* ??? RAM should repeat to fill physical memory space. */ |
b5ff1b31 | 633 | /* SDRAM at address zero*/ |
211adf4d | 634 | memory_region_add_subregion(address_space_mem, 0, ram); |
b5ff1b31 | 635 | /* And again at address 0x80000000 */ |
2c9b15ca | 636 | memory_region_init_alias(ram_alias, NULL, "ram.alias", ram, 0, ram_size); |
211adf4d | 637 | memory_region_add_subregion(address_space_mem, 0x80000000, ram_alias); |
b5ff1b31 | 638 | |
257ec289 | 639 | dev = qdev_create(NULL, TYPE_INTEGRATOR_CM); |
ee6847d1 | 640 | qdev_prop_set_uint32(dev, "memsz", ram_size >> 20); |
e23a1b33 | 641 | qdev_init_nofail(dev); |
a7086888 PB |
642 | sysbus_mmio_map((SysBusDevice *)dev, 0, 0x10000000); |
643 | ||
91b64626 | 644 | dev = sysbus_create_varargs(TYPE_INTEGRATOR_PIC, 0x14000000, |
99d228d6 PM |
645 | qdev_get_gpio_in(DEVICE(cpu), ARM_CPU_IRQ), |
646 | qdev_get_gpio_in(DEVICE(cpu), ARM_CPU_FIQ), | |
647 | NULL); | |
a7086888 | 648 | for (i = 0; i < 32; i++) { |
067a3ddc | 649 | pic[i] = qdev_get_gpio_in(dev, i); |
a7086888 | 650 | } |
83d0cf89 | 651 | sic = sysbus_create_simple(TYPE_INTEGRATOR_PIC, 0xca000000, pic[26]); |
6a824ec3 PB |
652 | sysbus_create_varargs("integrator_pit", 0x13000000, |
653 | pic[5], pic[6], pic[7], NULL); | |
a63bdb31 | 654 | sysbus_create_simple("pl031", 0x15000000, pic[8]); |
f0d1d2c1 XZ |
655 | pl011_create(0x16000000, pic[1], serial_hds[0]); |
656 | pl011_create(0x17000000, pic[2], serial_hds[1]); | |
83d0cf89 JK |
657 | icp = sysbus_create_simple(TYPE_ICP_CONTROL_REGS, 0xcb000000, |
658 | qdev_get_gpio_in(sic, 3)); | |
86394e96 PB |
659 | sysbus_create_simple("pl050_keyboard", 0x18000000, pic[3]); |
660 | sysbus_create_simple("pl050_mouse", 0x19000000, pic[4]); | |
b8616055 | 661 | sysbus_create_simple(TYPE_INTEGRATOR_DEBUG, 0x1a000000, 0); |
83d0cf89 JK |
662 | |
663 | dev = sysbus_create_varargs("pl181", 0x1c000000, pic[23], pic[24], NULL); | |
664 | qdev_connect_gpio_out(dev, 0, | |
665 | qdev_get_gpio_in_named(icp, ICP_GPIO_MMC_WPROT, 0)); | |
666 | qdev_connect_gpio_out(dev, 1, | |
667 | qdev_get_gpio_in_named(icp, ICP_GPIO_MMC_CARDIN, 0)); | |
668 | ||
a005d073 | 669 | if (nd_table[0].used) |
0ae18cee | 670 | smc91c111_init(&nd_table[0], 0xc8000000, pic[27]); |
2e9bdce5 PB |
671 | |
672 | sysbus_create_simple("pl110", 0xc0000000, pic[22]); | |
b5ff1b31 | 673 | |
f93eb9ff AZ |
674 | integrator_binfo.ram_size = ram_size; |
675 | integrator_binfo.kernel_filename = kernel_filename; | |
676 | integrator_binfo.kernel_cmdline = kernel_cmdline; | |
677 | integrator_binfo.initrd_filename = initrd_filename; | |
3aaa8dfa | 678 | arm_load_kernel(cpu, &integrator_binfo); |
b5ff1b31 FB |
679 | } |
680 | ||
e264d29d | 681 | static void integratorcp_machine_init(MachineClass *mc) |
f80f9ec9 | 682 | { |
e264d29d EH |
683 | mc->desc = "ARM Integrator/CP (ARM926EJ-S)"; |
684 | mc->init = integratorcp_init; | |
f80f9ec9 AL |
685 | } |
686 | ||
e264d29d | 687 | DEFINE_MACHINE("integratorcp", integratorcp_machine_init) |
f80f9ec9 | 688 | |
999e12bb | 689 | static Property core_properties[] = { |
257ec289 | 690 | DEFINE_PROP_UINT32("memsz", IntegratorCMState, memsz, 0), |
999e12bb AL |
691 | DEFINE_PROP_END_OF_LIST(), |
692 | }; | |
693 | ||
694 | static void core_class_init(ObjectClass *klass, void *data) | |
695 | { | |
39bffca2 | 696 | DeviceClass *dc = DEVICE_CLASS(klass); |
999e12bb | 697 | |
39bffca2 | 698 | dc->props = core_properties; |
e9d9ee23 | 699 | dc->realize = integratorcm_realize; |
26d32022 PD |
700 | dc->vmsd = &vmstate_integratorcm; |
701 | } | |
702 | ||
703 | static void icp_pic_class_init(ObjectClass *klass, void *data) | |
704 | { | |
705 | DeviceClass *dc = DEVICE_CLASS(klass); | |
706 | ||
707 | dc->vmsd = &vmstate_icp_pic; | |
708 | } | |
709 | ||
710 | static void icp_control_class_init(ObjectClass *klass, void *data) | |
711 | { | |
712 | DeviceClass *dc = DEVICE_CLASS(klass); | |
713 | ||
714 | dc->vmsd = &vmstate_icp_control; | |
999e12bb AL |
715 | } |
716 | ||
8c43a6f0 | 717 | static const TypeInfo core_info = { |
257ec289 | 718 | .name = TYPE_INTEGRATOR_CM, |
39bffca2 | 719 | .parent = TYPE_SYS_BUS_DEVICE, |
257ec289 | 720 | .instance_size = sizeof(IntegratorCMState), |
a1f42e0c | 721 | .instance_init = integratorcm_init, |
39bffca2 | 722 | .class_init = core_class_init, |
999e12bb AL |
723 | }; |
724 | ||
8c43a6f0 | 725 | static const TypeInfo icp_pic_info = { |
91b64626 | 726 | .name = TYPE_INTEGRATOR_PIC, |
39bffca2 AL |
727 | .parent = TYPE_SYS_BUS_DEVICE, |
728 | .instance_size = sizeof(icp_pic_state), | |
a1f42e0c | 729 | .instance_init = icp_pic_init, |
26d32022 | 730 | .class_init = icp_pic_class_init, |
ee6847d1 GH |
731 | }; |
732 | ||
ffc8542a JK |
733 | static const TypeInfo icp_ctrl_regs_info = { |
734 | .name = TYPE_ICP_CONTROL_REGS, | |
735 | .parent = TYPE_SYS_BUS_DEVICE, | |
736 | .instance_size = sizeof(ICPCtrlRegsState), | |
737 | .instance_init = icp_control_init, | |
26d32022 | 738 | .class_init = icp_control_class_init, |
ffc8542a JK |
739 | }; |
740 | ||
83f7d43a | 741 | static void integratorcp_register_types(void) |
a7086888 | 742 | { |
39bffca2 AL |
743 | type_register_static(&icp_pic_info); |
744 | type_register_static(&core_info); | |
ffc8542a | 745 | type_register_static(&icp_ctrl_regs_info); |
a7086888 PB |
746 | } |
747 | ||
83f7d43a | 748 | type_init(integratorcp_register_types) |