xref: /openbmc/qemu/hw/ppc/ppc405_uc.c (revision 76f5801a)
1 /*
2  * QEMU PowerPC 405 embedded processors emulation
3  *
4  * Copyright (c) 2007 Jocelyn Mayer
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a copy
7  * of this software and associated documentation files (the "Software"), to deal
8  * in the Software without restriction, including without limitation the rights
9  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10  * copies of the Software, and to permit persons to whom the Software is
11  * furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included in
14  * all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22  * THE SOFTWARE.
23  */
24 
25 #include "qemu/osdep.h"
26 #include "qemu/units.h"
27 #include "qapi/error.h"
28 #include "qemu/log.h"
29 #include "cpu.h"
30 #include "hw/ppc/ppc.h"
31 #include "hw/i2c/ppc4xx_i2c.h"
32 #include "hw/irq.h"
33 #include "hw/qdev-properties.h"
34 #include "ppc405.h"
35 #include "hw/char/serial.h"
36 #include "qemu/timer.h"
37 #include "sysemu/reset.h"
38 #include "sysemu/sysemu.h"
39 #include "exec/address-spaces.h"
40 #include "hw/intc/ppc-uic.h"
41 #include "trace.h"
42 
43 /*****************************************************************************/
44 /* Shared peripherals */
45 
46 /*****************************************************************************/
47 /* PLB to OPB bridge */
48 enum {
49     POB0_BESR0 = 0x0A0,
50     POB0_BESR1 = 0x0A2,
51     POB0_BEAR  = 0x0A4,
52 };
53 
54 static uint32_t dcr_read_pob(void *opaque, int dcrn)
55 {
56     Ppc405PobState *pob = opaque;
57     uint32_t ret;
58 
59     switch (dcrn) {
60     case POB0_BEAR:
61         ret = pob->bear;
62         break;
63     case POB0_BESR0:
64         ret = pob->besr0;
65         break;
66     case POB0_BESR1:
67         ret = pob->besr1;
68         break;
69     default:
70         /* Avoid gcc warning */
71         ret = 0;
72         break;
73     }
74 
75     return ret;
76 }
77 
78 static void dcr_write_pob(void *opaque, int dcrn, uint32_t val)
79 {
80     Ppc405PobState *pob = opaque;
81 
82     switch (dcrn) {
83     case POB0_BEAR:
84         /* Read only */
85         break;
86     case POB0_BESR0:
87         /* Write-clear */
88         pob->besr0 &= ~val;
89         break;
90     case POB0_BESR1:
91         /* Write-clear */
92         pob->besr1 &= ~val;
93         break;
94     }
95 }
96 
97 static void ppc405_pob_reset(DeviceState *dev)
98 {
99     Ppc405PobState *pob = PPC405_POB(dev);
100 
101     /* No error */
102     pob->bear = 0x00000000;
103     pob->besr0 = 0x0000000;
104     pob->besr1 = 0x0000000;
105 }
106 
107 static void ppc405_pob_realize(DeviceState *dev, Error **errp)
108 {
109     Ppc405PobState *pob = PPC405_POB(dev);
110     Ppc4xxDcrDeviceState *dcr = PPC4xx_DCR_DEVICE(dev);
111 
112     ppc4xx_dcr_register(dcr, POB0_BEAR, pob, &dcr_read_pob, &dcr_write_pob);
113     ppc4xx_dcr_register(dcr, POB0_BESR0, pob, &dcr_read_pob, &dcr_write_pob);
114     ppc4xx_dcr_register(dcr, POB0_BESR1, pob, &dcr_read_pob, &dcr_write_pob);
115 }
116 
117 static void ppc405_pob_class_init(ObjectClass *oc, void *data)
118 {
119     DeviceClass *dc = DEVICE_CLASS(oc);
120 
121     dc->realize = ppc405_pob_realize;
122     dc->reset = ppc405_pob_reset;
123     /* Reason: only works as function of a ppc4xx SoC */
124     dc->user_creatable = false;
125 }
126 
127 /*****************************************************************************/
128 /* OPB arbitrer */
129 static uint64_t opba_readb(void *opaque, hwaddr addr, unsigned size)
130 {
131     Ppc405OpbaState *opba = opaque;
132     uint32_t ret;
133 
134     switch (addr) {
135     case 0x00:
136         ret = opba->cr;
137         break;
138     case 0x01:
139         ret = opba->pr;
140         break;
141     default:
142         ret = 0x00;
143         break;
144     }
145 
146     trace_opba_readb(addr, ret);
147     return ret;
148 }
149 
150 static void opba_writeb(void *opaque, hwaddr addr, uint64_t value,
151                         unsigned size)
152 {
153     Ppc405OpbaState *opba = opaque;
154 
155     trace_opba_writeb(addr, value);
156 
157     switch (addr) {
158     case 0x00:
159         opba->cr = value & 0xF8;
160         break;
161     case 0x01:
162         opba->pr = value & 0xFF;
163         break;
164     default:
165         break;
166     }
167 }
168 static const MemoryRegionOps opba_ops = {
169     .read = opba_readb,
170     .write = opba_writeb,
171     .impl.min_access_size = 1,
172     .impl.max_access_size = 1,
173     .valid.min_access_size = 1,
174     .valid.max_access_size = 4,
175     .endianness = DEVICE_BIG_ENDIAN,
176 };
177 
178 static void ppc405_opba_reset(DeviceState *dev)
179 {
180     Ppc405OpbaState *opba = PPC405_OPBA(dev);
181 
182     opba->cr = 0x00; /* No dynamic priorities - park disabled */
183     opba->pr = 0x11;
184 }
185 
186 static void ppc405_opba_realize(DeviceState *dev, Error **errp)
187 {
188     Ppc405OpbaState *s = PPC405_OPBA(dev);
189 
190     memory_region_init_io(&s->io, OBJECT(s), &opba_ops, s, "opba", 2);
191     sysbus_init_mmio(SYS_BUS_DEVICE(s), &s->io);
192 }
193 
194 static void ppc405_opba_class_init(ObjectClass *oc, void *data)
195 {
196     DeviceClass *dc = DEVICE_CLASS(oc);
197 
198     dc->realize = ppc405_opba_realize;
199     dc->reset = ppc405_opba_reset;
200     /* Reason: only works as function of a ppc4xx SoC */
201     dc->user_creatable = false;
202 }
203 
204 /*****************************************************************************/
205 /* Code decompression controller */
206 /* XXX: TODO */
207 
208 /*****************************************************************************/
209 /* DMA controller */
210 enum {
211     DMA0_CR0 = 0x100,
212     DMA0_CT0 = 0x101,
213     DMA0_DA0 = 0x102,
214     DMA0_SA0 = 0x103,
215     DMA0_SG0 = 0x104,
216     DMA0_CR1 = 0x108,
217     DMA0_CT1 = 0x109,
218     DMA0_DA1 = 0x10A,
219     DMA0_SA1 = 0x10B,
220     DMA0_SG1 = 0x10C,
221     DMA0_CR2 = 0x110,
222     DMA0_CT2 = 0x111,
223     DMA0_DA2 = 0x112,
224     DMA0_SA2 = 0x113,
225     DMA0_SG2 = 0x114,
226     DMA0_CR3 = 0x118,
227     DMA0_CT3 = 0x119,
228     DMA0_DA3 = 0x11A,
229     DMA0_SA3 = 0x11B,
230     DMA0_SG3 = 0x11C,
231     DMA0_SR  = 0x120,
232     DMA0_SGC = 0x123,
233     DMA0_SLP = 0x125,
234     DMA0_POL = 0x126,
235 };
236 
237 static uint32_t dcr_read_dma(void *opaque, int dcrn)
238 {
239     return 0;
240 }
241 
242 static void dcr_write_dma(void *opaque, int dcrn, uint32_t val)
243 {
244 }
245 
246 static void ppc405_dma_reset(DeviceState *dev)
247 {
248     Ppc405DmaState *dma = PPC405_DMA(dev);
249     int i;
250 
251     for (i = 0; i < 4; i++) {
252         dma->cr[i] = 0x00000000;
253         dma->ct[i] = 0x00000000;
254         dma->da[i] = 0x00000000;
255         dma->sa[i] = 0x00000000;
256         dma->sg[i] = 0x00000000;
257     }
258     dma->sr = 0x00000000;
259     dma->sgc = 0x00000000;
260     dma->slp = 0x7C000000;
261     dma->pol = 0x00000000;
262 }
263 
264 static void ppc405_dma_realize(DeviceState *dev, Error **errp)
265 {
266     Ppc405DmaState *dma = PPC405_DMA(dev);
267     Ppc4xxDcrDeviceState *dcr = PPC4xx_DCR_DEVICE(dev);
268     int i;
269 
270     for (i = 0; i < ARRAY_SIZE(dma->irqs); i++) {
271         sysbus_init_irq(SYS_BUS_DEVICE(dma), &dma->irqs[i]);
272     }
273 
274     ppc4xx_dcr_register(dcr, DMA0_CR0, dma, &dcr_read_dma, &dcr_write_dma);
275     ppc4xx_dcr_register(dcr, DMA0_CT0, dma, &dcr_read_dma, &dcr_write_dma);
276     ppc4xx_dcr_register(dcr, DMA0_DA0, dma, &dcr_read_dma, &dcr_write_dma);
277     ppc4xx_dcr_register(dcr, DMA0_SA0, dma, &dcr_read_dma, &dcr_write_dma);
278     ppc4xx_dcr_register(dcr, DMA0_SG0, dma, &dcr_read_dma, &dcr_write_dma);
279     ppc4xx_dcr_register(dcr, DMA0_CR1, dma, &dcr_read_dma, &dcr_write_dma);
280     ppc4xx_dcr_register(dcr, DMA0_CT1, dma, &dcr_read_dma, &dcr_write_dma);
281     ppc4xx_dcr_register(dcr, DMA0_DA1, dma, &dcr_read_dma, &dcr_write_dma);
282     ppc4xx_dcr_register(dcr, DMA0_SA1, dma, &dcr_read_dma, &dcr_write_dma);
283     ppc4xx_dcr_register(dcr, DMA0_SG1, dma, &dcr_read_dma, &dcr_write_dma);
284     ppc4xx_dcr_register(dcr, DMA0_CR2, dma, &dcr_read_dma, &dcr_write_dma);
285     ppc4xx_dcr_register(dcr, DMA0_CT2, dma, &dcr_read_dma, &dcr_write_dma);
286     ppc4xx_dcr_register(dcr, DMA0_DA2, dma, &dcr_read_dma, &dcr_write_dma);
287     ppc4xx_dcr_register(dcr, DMA0_SA2, dma, &dcr_read_dma, &dcr_write_dma);
288     ppc4xx_dcr_register(dcr, DMA0_SG2, dma, &dcr_read_dma, &dcr_write_dma);
289     ppc4xx_dcr_register(dcr, DMA0_CR3, dma, &dcr_read_dma, &dcr_write_dma);
290     ppc4xx_dcr_register(dcr, DMA0_CT3, dma, &dcr_read_dma, &dcr_write_dma);
291     ppc4xx_dcr_register(dcr, DMA0_DA3, dma, &dcr_read_dma, &dcr_write_dma);
292     ppc4xx_dcr_register(dcr, DMA0_SA3, dma, &dcr_read_dma, &dcr_write_dma);
293     ppc4xx_dcr_register(dcr, DMA0_SG3, dma, &dcr_read_dma, &dcr_write_dma);
294     ppc4xx_dcr_register(dcr, DMA0_SR,  dma, &dcr_read_dma, &dcr_write_dma);
295     ppc4xx_dcr_register(dcr, DMA0_SGC, dma, &dcr_read_dma, &dcr_write_dma);
296     ppc4xx_dcr_register(dcr, DMA0_SLP, dma, &dcr_read_dma, &dcr_write_dma);
297     ppc4xx_dcr_register(dcr, DMA0_POL, dma, &dcr_read_dma, &dcr_write_dma);
298 }
299 
300 static void ppc405_dma_class_init(ObjectClass *oc, void *data)
301 {
302     DeviceClass *dc = DEVICE_CLASS(oc);
303 
304     dc->realize = ppc405_dma_realize;
305     dc->reset = ppc405_dma_reset;
306     /* Reason: only works as function of a ppc4xx SoC */
307     dc->user_creatable = false;
308 }
309 
310 /*****************************************************************************/
311 /* GPIO */
312 static uint64_t ppc405_gpio_read(void *opaque, hwaddr addr, unsigned size)
313 {
314     trace_ppc405_gpio_read(addr, size);
315     return 0;
316 }
317 
318 static void ppc405_gpio_write(void *opaque, hwaddr addr, uint64_t value,
319                               unsigned size)
320 {
321     trace_ppc405_gpio_write(addr, size, value);
322 }
323 
324 static const MemoryRegionOps ppc405_gpio_ops = {
325     .read = ppc405_gpio_read,
326     .write = ppc405_gpio_write,
327     .endianness = DEVICE_NATIVE_ENDIAN,
328 };
329 
330 static void ppc405_gpio_realize(DeviceState *dev, Error **errp)
331 {
332     Ppc405GpioState *s = PPC405_GPIO(dev);
333 
334     memory_region_init_io(&s->io, OBJECT(s), &ppc405_gpio_ops, s, "gpio",
335                           0x38);
336     sysbus_init_mmio(SYS_BUS_DEVICE(s), &s->io);
337 }
338 
339 static void ppc405_gpio_class_init(ObjectClass *oc, void *data)
340 {
341     DeviceClass *dc = DEVICE_CLASS(oc);
342 
343     dc->realize = ppc405_gpio_realize;
344     /* Reason: only works as function of a ppc4xx SoC */
345     dc->user_creatable = false;
346 }
347 
348 /*****************************************************************************/
349 /* On Chip Memory */
350 enum {
351     OCM0_ISARC   = 0x018,
352     OCM0_ISACNTL = 0x019,
353     OCM0_DSARC   = 0x01A,
354     OCM0_DSACNTL = 0x01B,
355 };
356 
357 static void ocm_update_mappings(Ppc405OcmState *ocm,
358                                 uint32_t isarc, uint32_t isacntl,
359                                 uint32_t dsarc, uint32_t dsacntl)
360 {
361     trace_ocm_update_mappings(isarc, isacntl, dsarc, dsacntl, ocm->isarc,
362                               ocm->isacntl, ocm->dsarc, ocm->dsacntl);
363 
364     if (ocm->isarc != isarc ||
365         (ocm->isacntl & 0x80000000) != (isacntl & 0x80000000)) {
366         if (ocm->isacntl & 0x80000000) {
367             /* Unmap previously assigned memory region */
368             trace_ocm_unmap("ISA", ocm->isarc);
369             memory_region_del_subregion(get_system_memory(), &ocm->isarc_ram);
370         }
371         if (isacntl & 0x80000000) {
372             /* Map new instruction memory region */
373             trace_ocm_map("ISA", isarc);
374             memory_region_add_subregion(get_system_memory(), isarc,
375                                         &ocm->isarc_ram);
376         }
377     }
378     if (ocm->dsarc != dsarc ||
379         (ocm->dsacntl & 0x80000000) != (dsacntl & 0x80000000)) {
380         if (ocm->dsacntl & 0x80000000) {
381             /* Beware not to unmap the region we just mapped */
382             if (!(isacntl & 0x80000000) || ocm->dsarc != isarc) {
383                 /* Unmap previously assigned memory region */
384                 trace_ocm_unmap("DSA", ocm->dsarc);
385                 memory_region_del_subregion(get_system_memory(),
386                                             &ocm->dsarc_ram);
387             }
388         }
389         if (dsacntl & 0x80000000) {
390             /* Beware not to remap the region we just mapped */
391             if (!(isacntl & 0x80000000) || dsarc != isarc) {
392                 /* Map new data memory region */
393                 trace_ocm_map("DSA", dsarc);
394                 memory_region_add_subregion(get_system_memory(), dsarc,
395                                             &ocm->dsarc_ram);
396             }
397         }
398     }
399 }
400 
401 static uint32_t dcr_read_ocm(void *opaque, int dcrn)
402 {
403     Ppc405OcmState *ocm = opaque;
404     uint32_t ret;
405 
406     switch (dcrn) {
407     case OCM0_ISARC:
408         ret = ocm->isarc;
409         break;
410     case OCM0_ISACNTL:
411         ret = ocm->isacntl;
412         break;
413     case OCM0_DSARC:
414         ret = ocm->dsarc;
415         break;
416     case OCM0_DSACNTL:
417         ret = ocm->dsacntl;
418         break;
419     default:
420         ret = 0;
421         break;
422     }
423 
424     return ret;
425 }
426 
427 static void dcr_write_ocm(void *opaque, int dcrn, uint32_t val)
428 {
429     Ppc405OcmState *ocm = opaque;
430     uint32_t isarc, dsarc, isacntl, dsacntl;
431 
432     isarc = ocm->isarc;
433     dsarc = ocm->dsarc;
434     isacntl = ocm->isacntl;
435     dsacntl = ocm->dsacntl;
436     switch (dcrn) {
437     case OCM0_ISARC:
438         isarc = val & 0xFC000000;
439         break;
440     case OCM0_ISACNTL:
441         isacntl = val & 0xC0000000;
442         break;
443     case OCM0_DSARC:
444         isarc = val & 0xFC000000;
445         break;
446     case OCM0_DSACNTL:
447         isacntl = val & 0xC0000000;
448         break;
449     }
450     ocm_update_mappings(ocm, isarc, isacntl, dsarc, dsacntl);
451     ocm->isarc = isarc;
452     ocm->dsarc = dsarc;
453     ocm->isacntl = isacntl;
454     ocm->dsacntl = dsacntl;
455 }
456 
457 static void ppc405_ocm_reset(DeviceState *dev)
458 {
459     Ppc405OcmState *ocm = PPC405_OCM(dev);
460     uint32_t isarc, dsarc, isacntl, dsacntl;
461 
462     isarc = 0x00000000;
463     isacntl = 0x00000000;
464     dsarc = 0x00000000;
465     dsacntl = 0x00000000;
466     ocm_update_mappings(ocm, isarc, isacntl, dsarc, dsacntl);
467     ocm->isarc = isarc;
468     ocm->dsarc = dsarc;
469     ocm->isacntl = isacntl;
470     ocm->dsacntl = dsacntl;
471 }
472 
473 static void ppc405_ocm_realize(DeviceState *dev, Error **errp)
474 {
475     Ppc405OcmState *ocm = PPC405_OCM(dev);
476     Ppc4xxDcrDeviceState *dcr = PPC4xx_DCR_DEVICE(dev);
477 
478     /* XXX: Size is 4096 or 0x04000000 */
479     memory_region_init_ram(&ocm->isarc_ram, OBJECT(ocm), "ppc405.ocm", 4 * KiB,
480                            &error_fatal);
481     memory_region_init_alias(&ocm->dsarc_ram, OBJECT(ocm), "ppc405.dsarc",
482                              &ocm->isarc_ram, 0, 4 * KiB);
483 
484     ppc4xx_dcr_register(dcr, OCM0_ISARC, ocm, &dcr_read_ocm, &dcr_write_ocm);
485     ppc4xx_dcr_register(dcr, OCM0_ISACNTL, ocm, &dcr_read_ocm, &dcr_write_ocm);
486     ppc4xx_dcr_register(dcr, OCM0_DSARC, ocm, &dcr_read_ocm, &dcr_write_ocm);
487     ppc4xx_dcr_register(dcr, OCM0_DSACNTL, ocm, &dcr_read_ocm, &dcr_write_ocm);
488 }
489 
490 static void ppc405_ocm_class_init(ObjectClass *oc, void *data)
491 {
492     DeviceClass *dc = DEVICE_CLASS(oc);
493 
494     dc->realize = ppc405_ocm_realize;
495     dc->reset = ppc405_ocm_reset;
496     /* Reason: only works as function of a ppc4xx SoC */
497     dc->user_creatable = false;
498 }
499 
500 /*****************************************************************************/
501 /* General purpose timers */
502 static int ppc4xx_gpt_compare(Ppc405GptState *gpt, int n)
503 {
504     /* XXX: TODO */
505     return 0;
506 }
507 
508 static void ppc4xx_gpt_set_output(Ppc405GptState *gpt, int n, int level)
509 {
510     /* XXX: TODO */
511 }
512 
513 static void ppc4xx_gpt_set_outputs(Ppc405GptState *gpt)
514 {
515     uint32_t mask;
516     int i;
517 
518     mask = 0x80000000;
519     for (i = 0; i < 5; i++) {
520         if (gpt->oe & mask) {
521             /* Output is enabled */
522             if (ppc4xx_gpt_compare(gpt, i)) {
523                 /* Comparison is OK */
524                 ppc4xx_gpt_set_output(gpt, i, gpt->ol & mask);
525             } else {
526                 /* Comparison is KO */
527                 ppc4xx_gpt_set_output(gpt, i, gpt->ol & mask ? 0 : 1);
528             }
529         }
530         mask = mask >> 1;
531     }
532 }
533 
534 static void ppc4xx_gpt_set_irqs(Ppc405GptState *gpt)
535 {
536     uint32_t mask;
537     int i;
538 
539     mask = 0x00008000;
540     for (i = 0; i < 5; i++) {
541         if (gpt->is & gpt->im & mask) {
542             qemu_irq_raise(gpt->irqs[i]);
543         } else {
544             qemu_irq_lower(gpt->irqs[i]);
545         }
546         mask = mask >> 1;
547     }
548 }
549 
550 static void ppc4xx_gpt_compute_timer(Ppc405GptState *gpt)
551 {
552     /* XXX: TODO */
553 }
554 
555 static uint64_t ppc4xx_gpt_read(void *opaque, hwaddr addr, unsigned size)
556 {
557     Ppc405GptState *gpt = opaque;
558     uint32_t ret;
559     int idx;
560 
561     trace_ppc4xx_gpt_read(addr, size);
562 
563     switch (addr) {
564     case 0x00:
565         /* Time base counter */
566         ret = muldiv64(qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + gpt->tb_offset,
567                        gpt->tb_freq, NANOSECONDS_PER_SECOND);
568         break;
569     case 0x10:
570         /* Output enable */
571         ret = gpt->oe;
572         break;
573     case 0x14:
574         /* Output level */
575         ret = gpt->ol;
576         break;
577     case 0x18:
578         /* Interrupt mask */
579         ret = gpt->im;
580         break;
581     case 0x1C:
582     case 0x20:
583         /* Interrupt status */
584         ret = gpt->is;
585         break;
586     case 0x24:
587         /* Interrupt enable */
588         ret = gpt->ie;
589         break;
590     case 0x80 ... 0x90:
591         /* Compare timer */
592         idx = (addr - 0x80) >> 2;
593         ret = gpt->comp[idx];
594         break;
595     case 0xC0 ... 0xD0:
596         /* Compare mask */
597         idx = (addr - 0xC0) >> 2;
598         ret = gpt->mask[idx];
599         break;
600     default:
601         ret = -1;
602         break;
603     }
604 
605     return ret;
606 }
607 
608 static void ppc4xx_gpt_write(void *opaque, hwaddr addr, uint64_t value,
609                              unsigned size)
610 {
611     Ppc405GptState *gpt = opaque;
612     int idx;
613 
614     trace_ppc4xx_gpt_write(addr, size, value);
615 
616     switch (addr) {
617     case 0x00:
618         /* Time base counter */
619         gpt->tb_offset = muldiv64(value, NANOSECONDS_PER_SECOND, gpt->tb_freq)
620             - qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
621         ppc4xx_gpt_compute_timer(gpt);
622         break;
623     case 0x10:
624         /* Output enable */
625         gpt->oe = value & 0xF8000000;
626         ppc4xx_gpt_set_outputs(gpt);
627         break;
628     case 0x14:
629         /* Output level */
630         gpt->ol = value & 0xF8000000;
631         ppc4xx_gpt_set_outputs(gpt);
632         break;
633     case 0x18:
634         /* Interrupt mask */
635         gpt->im = value & 0x0000F800;
636         break;
637     case 0x1C:
638         /* Interrupt status set */
639         gpt->is |= value & 0x0000F800;
640         ppc4xx_gpt_set_irqs(gpt);
641         break;
642     case 0x20:
643         /* Interrupt status clear */
644         gpt->is &= ~(value & 0x0000F800);
645         ppc4xx_gpt_set_irqs(gpt);
646         break;
647     case 0x24:
648         /* Interrupt enable */
649         gpt->ie = value & 0x0000F800;
650         ppc4xx_gpt_set_irqs(gpt);
651         break;
652     case 0x80 ... 0x90:
653         /* Compare timer */
654         idx = (addr - 0x80) >> 2;
655         gpt->comp[idx] = value & 0xF8000000;
656         ppc4xx_gpt_compute_timer(gpt);
657         break;
658     case 0xC0 ... 0xD0:
659         /* Compare mask */
660         idx = (addr - 0xC0) >> 2;
661         gpt->mask[idx] = value & 0xF8000000;
662         ppc4xx_gpt_compute_timer(gpt);
663         break;
664     }
665 }
666 
667 static const MemoryRegionOps gpt_ops = {
668     .read = ppc4xx_gpt_read,
669     .write = ppc4xx_gpt_write,
670     .valid.min_access_size = 4,
671     .valid.max_access_size = 4,
672     .endianness = DEVICE_NATIVE_ENDIAN,
673 };
674 
675 static void ppc4xx_gpt_cb(void *opaque)
676 {
677     Ppc405GptState *gpt = opaque;
678 
679     ppc4xx_gpt_set_irqs(gpt);
680     ppc4xx_gpt_set_outputs(gpt);
681     ppc4xx_gpt_compute_timer(gpt);
682 }
683 
684 static void ppc405_gpt_reset(DeviceState *dev)
685 {
686     Ppc405GptState *gpt = PPC405_GPT(dev);
687     int i;
688 
689     timer_del(gpt->timer);
690     gpt->oe = 0x00000000;
691     gpt->ol = 0x00000000;
692     gpt->im = 0x00000000;
693     gpt->is = 0x00000000;
694     gpt->ie = 0x00000000;
695     for (i = 0; i < 5; i++) {
696         gpt->comp[i] = 0x00000000;
697         gpt->mask[i] = 0x00000000;
698     }
699 }
700 
701 static void ppc405_gpt_realize(DeviceState *dev, Error **errp)
702 {
703     Ppc405GptState *s = PPC405_GPT(dev);
704     SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
705     int i;
706 
707     s->timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, &ppc4xx_gpt_cb, s);
708     memory_region_init_io(&s->iomem, OBJECT(s), &gpt_ops, s, "gpt", 0xd4);
709     sysbus_init_mmio(sbd, &s->iomem);
710 
711     for (i = 0; i < ARRAY_SIZE(s->irqs); i++) {
712         sysbus_init_irq(sbd, &s->irqs[i]);
713     }
714 }
715 
716 static void ppc405_gpt_finalize(Object *obj)
717 {
718     /* timer will be NULL if the GPT wasn't realized */
719     if (PPC405_GPT(obj)->timer) {
720         timer_del(PPC405_GPT(obj)->timer);
721     }
722 }
723 
724 static void ppc405_gpt_class_init(ObjectClass *oc, void *data)
725 {
726     DeviceClass *dc = DEVICE_CLASS(oc);
727 
728     dc->realize = ppc405_gpt_realize;
729     dc->reset = ppc405_gpt_reset;
730     /* Reason: only works as function of a ppc4xx SoC */
731     dc->user_creatable = false;
732 }
733 
734 /*****************************************************************************/
735 /* PowerPC 405EP */
736 /* CPU control */
737 enum {
738     PPC405EP_CPC0_PLLMR0 = 0x0F0,
739     PPC405EP_CPC0_BOOT   = 0x0F1,
740     PPC405EP_CPC0_EPCTL  = 0x0F3,
741     PPC405EP_CPC0_PLLMR1 = 0x0F4,
742     PPC405EP_CPC0_UCR    = 0x0F5,
743     PPC405EP_CPC0_SRR    = 0x0F6,
744     PPC405EP_CPC0_JTAGID = 0x0F7,
745     PPC405EP_CPC0_PCI    = 0x0F9,
746 #if 0
747     PPC405EP_CPC0_ER     = xxx,
748     PPC405EP_CPC0_FR     = xxx,
749     PPC405EP_CPC0_SR     = xxx,
750 #endif
751 };
752 
753 static void ppc405ep_compute_clocks(Ppc405CpcState *cpc)
754 {
755     uint32_t CPU_clk, PLB_clk, OPB_clk, EBC_clk, MAL_clk, PCI_clk;
756     uint32_t UART0_clk, UART1_clk;
757     uint64_t VCO_out, PLL_out;
758     int M, D;
759 
760     VCO_out = 0;
761     if ((cpc->pllmr[1] & 0x80000000) && !(cpc->pllmr[1] & 0x40000000)) {
762         M = (((cpc->pllmr[1] >> 20) - 1) & 0xF) + 1; /* FBMUL */
763         trace_ppc405ep_clocks_compute("FBMUL", (cpc->pllmr[1] >> 20) & 0xF, M);
764         D = 8 - ((cpc->pllmr[1] >> 16) & 0x7); /* FWDA */
765         trace_ppc405ep_clocks_compute("FWDA", (cpc->pllmr[1] >> 16) & 0x7, D);
766         VCO_out = (uint64_t)cpc->sysclk * M * D;
767         if (VCO_out < 500000000UL || VCO_out > 1000000000UL) {
768             /* Error - unlock the PLL */
769             qemu_log_mask(LOG_GUEST_ERROR, "VCO out of range %" PRIu64 "\n",
770                           VCO_out);
771 #if 0
772             cpc->pllmr[1] &= ~0x80000000;
773             goto pll_bypass;
774 #endif
775         }
776         PLL_out = VCO_out / D;
777         /* Pretend the PLL is locked */
778         cpc->boot |= 0x00000001;
779     } else {
780 #if 0
781     pll_bypass:
782 #endif
783         PLL_out = cpc->sysclk;
784         if (cpc->pllmr[1] & 0x40000000) {
785             /* Pretend the PLL is not locked */
786             cpc->boot &= ~0x00000001;
787         }
788     }
789     /* Now, compute all other clocks */
790     D = ((cpc->pllmr[0] >> 20) & 0x3) + 1; /* CCDV */
791      trace_ppc405ep_clocks_compute("CCDV", (cpc->pllmr[0] >> 20) & 0x3, D);
792     CPU_clk = PLL_out / D;
793     D = ((cpc->pllmr[0] >> 16) & 0x3) + 1; /* CBDV */
794     trace_ppc405ep_clocks_compute("CBDV", (cpc->pllmr[0] >> 16) & 0x3, D);
795     PLB_clk = CPU_clk / D;
796     D = ((cpc->pllmr[0] >> 12) & 0x3) + 1; /* OPDV */
797     trace_ppc405ep_clocks_compute("OPDV", (cpc->pllmr[0] >> 12) & 0x3, D);
798     OPB_clk = PLB_clk / D;
799     D = ((cpc->pllmr[0] >> 8) & 0x3) + 2; /* EPDV */
800     trace_ppc405ep_clocks_compute("EPDV", (cpc->pllmr[0] >> 8) & 0x3, D);
801     EBC_clk = PLB_clk / D;
802     D = ((cpc->pllmr[0] >> 4) & 0x3) + 1; /* MPDV */
803     trace_ppc405ep_clocks_compute("MPDV", (cpc->pllmr[0] >> 4) & 0x3, D);
804     MAL_clk = PLB_clk / D;
805     D = (cpc->pllmr[0] & 0x3) + 1; /* PPDV */
806     trace_ppc405ep_clocks_compute("PPDV", cpc->pllmr[0] & 0x3, D);
807     PCI_clk = PLB_clk / D;
808     D = ((cpc->ucr - 1) & 0x7F) + 1; /* U0DIV */
809     trace_ppc405ep_clocks_compute("U0DIV", cpc->ucr & 0x7F, D);
810     UART0_clk = PLL_out / D;
811     D = (((cpc->ucr >> 8) - 1) & 0x7F) + 1; /* U1DIV */
812     trace_ppc405ep_clocks_compute("U1DIV", (cpc->ucr >> 8) & 0x7F, D);
813     UART1_clk = PLL_out / D;
814 
815     if (trace_event_get_state_backends(TRACE_PPC405EP_CLOCKS_SETUP)) {
816         g_autofree char *trace = g_strdup_printf(
817             "Setup PPC405EP clocks - sysclk %" PRIu32 " VCO %" PRIu64
818             " PLL out %" PRIu64 " Hz\n"
819             "CPU %" PRIu32 " PLB %" PRIu32 " OPB %" PRIu32 " EBC %" PRIu32
820             " MAL %" PRIu32 " PCI %" PRIu32 " UART0 %" PRIu32
821             " UART1 %" PRIu32 "\n",
822             cpc->sysclk, VCO_out, PLL_out,
823             CPU_clk, PLB_clk, OPB_clk, EBC_clk, MAL_clk, PCI_clk,
824             UART0_clk, UART1_clk);
825         trace_ppc405ep_clocks_setup(trace);
826     }
827 
828     /* Setup CPU clocks */
829     clk_setup(&cpc->clk_setup[PPC405EP_CPU_CLK], CPU_clk);
830     /* Setup PLB clock */
831     clk_setup(&cpc->clk_setup[PPC405EP_PLB_CLK], PLB_clk);
832     /* Setup OPB clock */
833     clk_setup(&cpc->clk_setup[PPC405EP_OPB_CLK], OPB_clk);
834     /* Setup external clock */
835     clk_setup(&cpc->clk_setup[PPC405EP_EBC_CLK], EBC_clk);
836     /* Setup MAL clock */
837     clk_setup(&cpc->clk_setup[PPC405EP_MAL_CLK], MAL_clk);
838     /* Setup PCI clock */
839     clk_setup(&cpc->clk_setup[PPC405EP_PCI_CLK], PCI_clk);
840     /* Setup UART0 clock */
841     clk_setup(&cpc->clk_setup[PPC405EP_UART0_CLK], UART0_clk);
842     /* Setup UART1 clock */
843     clk_setup(&cpc->clk_setup[PPC405EP_UART1_CLK], UART1_clk);
844 }
845 
846 static uint32_t dcr_read_epcpc(void *opaque, int dcrn)
847 {
848     Ppc405CpcState *cpc = opaque;
849     uint32_t ret;
850 
851     switch (dcrn) {
852     case PPC405EP_CPC0_BOOT:
853         ret = cpc->boot;
854         break;
855     case PPC405EP_CPC0_EPCTL:
856         ret = cpc->epctl;
857         break;
858     case PPC405EP_CPC0_PLLMR0:
859         ret = cpc->pllmr[0];
860         break;
861     case PPC405EP_CPC0_PLLMR1:
862         ret = cpc->pllmr[1];
863         break;
864     case PPC405EP_CPC0_UCR:
865         ret = cpc->ucr;
866         break;
867     case PPC405EP_CPC0_SRR:
868         ret = cpc->srr;
869         break;
870     case PPC405EP_CPC0_JTAGID:
871         ret = cpc->jtagid;
872         break;
873     case PPC405EP_CPC0_PCI:
874         ret = cpc->pci;
875         break;
876     default:
877         /* Avoid gcc warning */
878         ret = 0;
879         break;
880     }
881 
882     return ret;
883 }
884 
885 static void dcr_write_epcpc(void *opaque, int dcrn, uint32_t val)
886 {
887     Ppc405CpcState *cpc = opaque;
888 
889     switch (dcrn) {
890     case PPC405EP_CPC0_BOOT:
891         /* Read-only register */
892         break;
893     case PPC405EP_CPC0_EPCTL:
894         /* Don't care for now */
895         cpc->epctl = val & 0xC00000F3;
896         break;
897     case PPC405EP_CPC0_PLLMR0:
898         cpc->pllmr[0] = val & 0x00633333;
899         ppc405ep_compute_clocks(cpc);
900         break;
901     case PPC405EP_CPC0_PLLMR1:
902         cpc->pllmr[1] = val & 0xC0F73FFF;
903         ppc405ep_compute_clocks(cpc);
904         break;
905     case PPC405EP_CPC0_UCR:
906         /* UART control - don't care for now */
907         cpc->ucr = val & 0x003F7F7F;
908         break;
909     case PPC405EP_CPC0_SRR:
910         cpc->srr = val;
911         break;
912     case PPC405EP_CPC0_JTAGID:
913         /* Read-only */
914         break;
915     case PPC405EP_CPC0_PCI:
916         cpc->pci = val;
917         break;
918     }
919 }
920 
921 static void ppc405_cpc_reset(DeviceState *dev)
922 {
923     Ppc405CpcState *cpc = PPC405_CPC(dev);
924 
925     cpc->boot = 0x00000010;     /* Boot from PCI - IIC EEPROM disabled */
926     cpc->epctl = 0x00000000;
927     cpc->pllmr[0] = 0x00021002;
928     cpc->pllmr[1] = 0x80a552be;
929     cpc->ucr = 0x00004646;
930     cpc->srr = 0x00040000;
931     cpc->pci = 0x00000000;
932     cpc->er = 0x00000000;
933     cpc->fr = 0x00000000;
934     cpc->sr = 0x00000000;
935     cpc->jtagid = 0x20267049;
936     ppc405ep_compute_clocks(cpc);
937 }
938 
939 /* XXX: sysclk should be between 25 and 100 MHz */
940 static void ppc405_cpc_realize(DeviceState *dev, Error **errp)
941 {
942     Ppc405CpcState *cpc = PPC405_CPC(dev);
943     Ppc4xxDcrDeviceState *dcr = PPC4xx_DCR_DEVICE(dev);
944 
945     assert(dcr->cpu);
946     cpc->clk_setup[PPC405EP_CPU_CLK].cb =
947         ppc_40x_timers_init(&dcr->cpu->env, cpc->sysclk, PPC_INTERRUPT_PIT);
948     cpc->clk_setup[PPC405EP_CPU_CLK].opaque = &dcr->cpu->env;
949 
950     ppc4xx_dcr_register(dcr, PPC405EP_CPC0_BOOT, cpc,
951                         &dcr_read_epcpc, &dcr_write_epcpc);
952     ppc4xx_dcr_register(dcr, PPC405EP_CPC0_EPCTL, cpc,
953                         &dcr_read_epcpc, &dcr_write_epcpc);
954     ppc4xx_dcr_register(dcr, PPC405EP_CPC0_PLLMR0, cpc,
955                         &dcr_read_epcpc, &dcr_write_epcpc);
956     ppc4xx_dcr_register(dcr, PPC405EP_CPC0_PLLMR1, cpc,
957                         &dcr_read_epcpc, &dcr_write_epcpc);
958     ppc4xx_dcr_register(dcr, PPC405EP_CPC0_UCR, cpc,
959                         &dcr_read_epcpc, &dcr_write_epcpc);
960     ppc4xx_dcr_register(dcr, PPC405EP_CPC0_SRR, cpc,
961                         &dcr_read_epcpc, &dcr_write_epcpc);
962     ppc4xx_dcr_register(dcr, PPC405EP_CPC0_JTAGID, cpc,
963                         &dcr_read_epcpc, &dcr_write_epcpc);
964     ppc4xx_dcr_register(dcr, PPC405EP_CPC0_PCI, cpc,
965                         &dcr_read_epcpc, &dcr_write_epcpc);
966 }
967 
968 static Property ppc405_cpc_properties[] = {
969     DEFINE_PROP_UINT32("sys-clk", Ppc405CpcState, sysclk, 0),
970     DEFINE_PROP_END_OF_LIST(),
971 };
972 
973 static void ppc405_cpc_class_init(ObjectClass *oc, void *data)
974 {
975     DeviceClass *dc = DEVICE_CLASS(oc);
976 
977     dc->realize = ppc405_cpc_realize;
978     dc->reset = ppc405_cpc_reset;
979     /* Reason: only works as function of a ppc4xx SoC */
980     dc->user_creatable = false;
981     device_class_set_props(dc, ppc405_cpc_properties);
982 }
983 
984 /* PPC405_SOC */
985 
986 static void ppc405_soc_instance_init(Object *obj)
987 {
988     Ppc405SoCState *s = PPC405_SOC(obj);
989 
990     object_initialize_child(obj, "cpu", &s->cpu,
991                             POWERPC_CPU_TYPE_NAME("405ep"));
992 
993     object_initialize_child(obj, "uic", &s->uic, TYPE_PPC_UIC);
994 
995     object_initialize_child(obj, "cpc", &s->cpc, TYPE_PPC405_CPC);
996     object_property_add_alias(obj, "sys-clk", OBJECT(&s->cpc), "sys-clk");
997 
998     object_initialize_child(obj, "gpt", &s->gpt, TYPE_PPC405_GPT);
999 
1000     object_initialize_child(obj, "ocm", &s->ocm, TYPE_PPC405_OCM);
1001 
1002     object_initialize_child(obj, "gpio", &s->gpio, TYPE_PPC405_GPIO);
1003 
1004     object_initialize_child(obj, "dma", &s->dma, TYPE_PPC405_DMA);
1005 
1006     object_initialize_child(obj, "i2c", &s->i2c, TYPE_PPC4xx_I2C);
1007 
1008     object_initialize_child(obj, "ebc", &s->ebc, TYPE_PPC4xx_EBC);
1009 
1010     object_initialize_child(obj, "opba", &s->opba, TYPE_PPC405_OPBA);
1011 
1012     object_initialize_child(obj, "pob", &s->pob, TYPE_PPC405_POB);
1013 
1014     object_initialize_child(obj, "plb", &s->plb, TYPE_PPC4xx_PLB);
1015 
1016     object_initialize_child(obj, "mal", &s->mal, TYPE_PPC4xx_MAL);
1017 
1018     object_initialize_child(obj, "sdram", &s->sdram, TYPE_PPC4xx_SDRAM_DDR);
1019     object_property_add_alias(obj, "dram", OBJECT(&s->sdram), "dram");
1020 }
1021 
1022 static void ppc405_reset(void *opaque)
1023 {
1024     cpu_reset(CPU(opaque));
1025 }
1026 
1027 static void ppc405_soc_realize(DeviceState *dev, Error **errp)
1028 {
1029     Ppc405SoCState *s = PPC405_SOC(dev);
1030     CPUPPCState *env;
1031     SysBusDevice *sbd;
1032     int i;
1033 
1034     /* init CPUs */
1035     if (!qdev_realize(DEVICE(&s->cpu), NULL, errp)) {
1036         return;
1037     }
1038     qemu_register_reset(ppc405_reset, &s->cpu);
1039 
1040     env = &s->cpu.env;
1041 
1042     ppc_dcr_init(env, NULL, NULL);
1043 
1044     /* CPU control */
1045     if (!ppc4xx_dcr_realize(PPC4xx_DCR_DEVICE(&s->cpc), &s->cpu, errp)) {
1046         return;
1047     }
1048 
1049     /* PLB arbitrer */
1050     if (!ppc4xx_dcr_realize(PPC4xx_DCR_DEVICE(&s->plb), &s->cpu, errp)) {
1051         return;
1052     }
1053 
1054     /* PLB to OPB bridge */
1055     if (!ppc4xx_dcr_realize(PPC4xx_DCR_DEVICE(&s->pob), &s->cpu, errp)) {
1056         return;
1057     }
1058 
1059     /* OBP arbitrer */
1060     sbd = SYS_BUS_DEVICE(&s->opba);
1061     if (!sysbus_realize(sbd, errp)) {
1062         return;
1063     }
1064     sysbus_mmio_map(sbd, 0, 0xef600600);
1065 
1066     /* Universal interrupt controller */
1067     if (!ppc4xx_dcr_realize(PPC4xx_DCR_DEVICE(&s->uic), &s->cpu, errp)) {
1068         return;
1069     }
1070     sbd = SYS_BUS_DEVICE(&s->uic);
1071     sysbus_connect_irq(sbd, PPCUIC_OUTPUT_INT,
1072                        qdev_get_gpio_in(DEVICE(&s->cpu), PPC40x_INPUT_INT));
1073     sysbus_connect_irq(sbd, PPCUIC_OUTPUT_CINT,
1074                        qdev_get_gpio_in(DEVICE(&s->cpu), PPC40x_INPUT_CINT));
1075 
1076     /* SDRAM controller */
1077     /*
1078      * We use the 440 DDR SDRAM controller which has more regs and features
1079      * but it's compatible enough for now
1080      */
1081     object_property_set_int(OBJECT(&s->sdram), "nbanks", 2, &error_abort);
1082     if (!ppc4xx_dcr_realize(PPC4xx_DCR_DEVICE(&s->sdram), &s->cpu, errp)) {
1083         return;
1084     }
1085     /* XXX 405EP has no ECC interrupt */
1086     sysbus_connect_irq(SYS_BUS_DEVICE(&s->sdram), 0,
1087                        qdev_get_gpio_in(DEVICE(&s->uic), 17));
1088 
1089     /* External bus controller */
1090     if (!ppc4xx_dcr_realize(PPC4xx_DCR_DEVICE(&s->ebc), &s->cpu, errp)) {
1091         return;
1092     }
1093 
1094     /* DMA controller */
1095     if (!ppc4xx_dcr_realize(PPC4xx_DCR_DEVICE(&s->dma), &s->cpu, errp)) {
1096         return;
1097     }
1098     sbd = SYS_BUS_DEVICE(&s->dma);
1099     for (i = 0; i < ARRAY_SIZE(s->dma.irqs); i++) {
1100         sysbus_connect_irq(sbd, i, qdev_get_gpio_in(DEVICE(&s->uic), 5 + i));
1101     }
1102 
1103     /* I2C controller */
1104     sbd = SYS_BUS_DEVICE(&s->i2c);
1105     if (!sysbus_realize(sbd, errp)) {
1106         return;
1107     }
1108     sysbus_mmio_map(sbd, 0, 0xef600500);
1109     sysbus_connect_irq(sbd, 0, qdev_get_gpio_in(DEVICE(&s->uic), 2));
1110 
1111     /* GPIO */
1112     sbd = SYS_BUS_DEVICE(&s->gpio);
1113     if (!sysbus_realize(sbd, errp)) {
1114         return;
1115     }
1116     sysbus_mmio_map(sbd, 0, 0xef600700);
1117 
1118     /* Serial ports */
1119     if (serial_hd(0) != NULL) {
1120         serial_mm_init(get_system_memory(), 0xef600300, 0,
1121                        qdev_get_gpio_in(DEVICE(&s->uic), 0),
1122                        PPC_SERIAL_MM_BAUDBASE, serial_hd(0),
1123                        DEVICE_BIG_ENDIAN);
1124     }
1125     if (serial_hd(1) != NULL) {
1126         serial_mm_init(get_system_memory(), 0xef600400, 0,
1127                        qdev_get_gpio_in(DEVICE(&s->uic), 1),
1128                        PPC_SERIAL_MM_BAUDBASE, serial_hd(1),
1129                        DEVICE_BIG_ENDIAN);
1130     }
1131 
1132     /* OCM */
1133     if (!ppc4xx_dcr_realize(PPC4xx_DCR_DEVICE(&s->ocm), &s->cpu, errp)) {
1134         return;
1135     }
1136 
1137     /* GPT */
1138     sbd = SYS_BUS_DEVICE(&s->gpt);
1139     if (!sysbus_realize(sbd, errp)) {
1140         return;
1141     }
1142     sysbus_mmio_map(sbd, 0, 0xef600000);
1143     for (i = 0; i < ARRAY_SIZE(s->gpt.irqs); i++) {
1144         sysbus_connect_irq(sbd, i, qdev_get_gpio_in(DEVICE(&s->uic), 19 + i));
1145     }
1146 
1147     /* MAL */
1148     object_property_set_int(OBJECT(&s->mal), "txc-num", 4, &error_abort);
1149     object_property_set_int(OBJECT(&s->mal), "rxc-num", 2, &error_abort);
1150     if (!ppc4xx_dcr_realize(PPC4xx_DCR_DEVICE(&s->mal), &s->cpu, errp)) {
1151         return;
1152     }
1153     sbd = SYS_BUS_DEVICE(&s->mal);
1154     for (i = 0; i < ARRAY_SIZE(s->mal.irqs); i++) {
1155         sysbus_connect_irq(sbd, i, qdev_get_gpio_in(DEVICE(&s->uic), 11 + i));
1156     }
1157 
1158     /* Ethernet */
1159     /* Uses UIC IRQs 9, 15, 17 */
1160 }
1161 
1162 static void ppc405_soc_class_init(ObjectClass *oc, void *data)
1163 {
1164     DeviceClass *dc = DEVICE_CLASS(oc);
1165 
1166     dc->realize = ppc405_soc_realize;
1167     /* Reason: only works as part of a ppc405 board/machine */
1168     dc->user_creatable = false;
1169 }
1170 
1171 static const TypeInfo ppc405_types[] = {
1172     {
1173         .name           = TYPE_PPC405_POB,
1174         .parent         = TYPE_PPC4xx_DCR_DEVICE,
1175         .instance_size  = sizeof(Ppc405PobState),
1176         .class_init     = ppc405_pob_class_init,
1177     }, {
1178         .name           = TYPE_PPC405_OPBA,
1179         .parent         = TYPE_SYS_BUS_DEVICE,
1180         .instance_size  = sizeof(Ppc405OpbaState),
1181         .class_init     = ppc405_opba_class_init,
1182     }, {
1183         .name           = TYPE_PPC405_DMA,
1184         .parent         = TYPE_PPC4xx_DCR_DEVICE,
1185         .instance_size  = sizeof(Ppc405DmaState),
1186         .class_init     = ppc405_dma_class_init,
1187     }, {
1188         .name           = TYPE_PPC405_GPIO,
1189         .parent         = TYPE_SYS_BUS_DEVICE,
1190         .instance_size  = sizeof(Ppc405GpioState),
1191         .class_init     = ppc405_gpio_class_init,
1192     }, {
1193         .name           = TYPE_PPC405_OCM,
1194         .parent         = TYPE_PPC4xx_DCR_DEVICE,
1195         .instance_size  = sizeof(Ppc405OcmState),
1196         .class_init     = ppc405_ocm_class_init,
1197     }, {
1198         .name           = TYPE_PPC405_GPT,
1199         .parent         = TYPE_SYS_BUS_DEVICE,
1200         .instance_size  = sizeof(Ppc405GptState),
1201         .instance_finalize = ppc405_gpt_finalize,
1202         .class_init     = ppc405_gpt_class_init,
1203     }, {
1204         .name           = TYPE_PPC405_CPC,
1205         .parent         = TYPE_PPC4xx_DCR_DEVICE,
1206         .instance_size  = sizeof(Ppc405CpcState),
1207         .class_init     = ppc405_cpc_class_init,
1208     }, {
1209         .name           = TYPE_PPC405_SOC,
1210         .parent         = TYPE_DEVICE,
1211         .instance_size  = sizeof(Ppc405SoCState),
1212         .instance_init  = ppc405_soc_instance_init,
1213         .class_init     = ppc405_soc_class_init,
1214     }
1215 };
1216 
1217 DEFINE_TYPES(ppc405_types)
1218