xref: /openbmc/qemu/hw/ppc/ppc405_uc.c (revision 734c44ea)
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 "hw/qdev-properties.h"
42 #include "qapi/error.h"
43 #include "trace.h"
44 
45 /*****************************************************************************/
46 /* Shared peripherals */
47 
48 /*****************************************************************************/
49 /* PLB to OPB bridge */
50 enum {
51     POB0_BESR0 = 0x0A0,
52     POB0_BESR1 = 0x0A2,
53     POB0_BEAR  = 0x0A4,
54 };
55 
56 static uint32_t dcr_read_pob(void *opaque, int dcrn)
57 {
58     Ppc405PobState *pob = opaque;
59     uint32_t ret;
60 
61     switch (dcrn) {
62     case POB0_BEAR:
63         ret = pob->bear;
64         break;
65     case POB0_BESR0:
66         ret = pob->besr0;
67         break;
68     case POB0_BESR1:
69         ret = pob->besr1;
70         break;
71     default:
72         /* Avoid gcc warning */
73         ret = 0;
74         break;
75     }
76 
77     return ret;
78 }
79 
80 static void dcr_write_pob(void *opaque, int dcrn, uint32_t val)
81 {
82     Ppc405PobState *pob = opaque;
83 
84     switch (dcrn) {
85     case POB0_BEAR:
86         /* Read only */
87         break;
88     case POB0_BESR0:
89         /* Write-clear */
90         pob->besr0 &= ~val;
91         break;
92     case POB0_BESR1:
93         /* Write-clear */
94         pob->besr1 &= ~val;
95         break;
96     }
97 }
98 
99 static void ppc405_pob_reset(DeviceState *dev)
100 {
101     Ppc405PobState *pob = PPC405_POB(dev);
102 
103     /* No error */
104     pob->bear = 0x00000000;
105     pob->besr0 = 0x0000000;
106     pob->besr1 = 0x0000000;
107 }
108 
109 static void ppc405_pob_realize(DeviceState *dev, Error **errp)
110 {
111     Ppc405PobState *pob = PPC405_POB(dev);
112     Ppc4xxDcrDeviceState *dcr = PPC4xx_DCR_DEVICE(dev);
113 
114     ppc4xx_dcr_register(dcr, POB0_BEAR, pob, &dcr_read_pob, &dcr_write_pob);
115     ppc4xx_dcr_register(dcr, POB0_BESR0, pob, &dcr_read_pob, &dcr_write_pob);
116     ppc4xx_dcr_register(dcr, POB0_BESR1, pob, &dcr_read_pob, &dcr_write_pob);
117 }
118 
119 static void ppc405_pob_class_init(ObjectClass *oc, void *data)
120 {
121     DeviceClass *dc = DEVICE_CLASS(oc);
122 
123     dc->realize = ppc405_pob_realize;
124     dc->reset = ppc405_pob_reset;
125     /* Reason: only works as function of a ppc4xx SoC */
126     dc->user_creatable = false;
127 }
128 
129 /*****************************************************************************/
130 /* OPB arbitrer */
131 static uint64_t opba_readb(void *opaque, hwaddr addr, unsigned size)
132 {
133     Ppc405OpbaState *opba = opaque;
134     uint32_t ret;
135 
136     switch (addr) {
137     case 0x00:
138         ret = opba->cr;
139         break;
140     case 0x01:
141         ret = opba->pr;
142         break;
143     default:
144         ret = 0x00;
145         break;
146     }
147 
148     trace_opba_readb(addr, ret);
149     return ret;
150 }
151 
152 static void opba_writeb(void *opaque, hwaddr addr, uint64_t value,
153                         unsigned size)
154 {
155     Ppc405OpbaState *opba = opaque;
156 
157     trace_opba_writeb(addr, value);
158 
159     switch (addr) {
160     case 0x00:
161         opba->cr = value & 0xF8;
162         break;
163     case 0x01:
164         opba->pr = value & 0xFF;
165         break;
166     default:
167         break;
168     }
169 }
170 static const MemoryRegionOps opba_ops = {
171     .read = opba_readb,
172     .write = opba_writeb,
173     .impl.min_access_size = 1,
174     .impl.max_access_size = 1,
175     .valid.min_access_size = 1,
176     .valid.max_access_size = 4,
177     .endianness = DEVICE_BIG_ENDIAN,
178 };
179 
180 static void ppc405_opba_reset(DeviceState *dev)
181 {
182     Ppc405OpbaState *opba = PPC405_OPBA(dev);
183 
184     opba->cr = 0x00; /* No dynamic priorities - park disabled */
185     opba->pr = 0x11;
186 }
187 
188 static void ppc405_opba_realize(DeviceState *dev, Error **errp)
189 {
190     Ppc405OpbaState *s = PPC405_OPBA(dev);
191 
192     memory_region_init_io(&s->io, OBJECT(s), &opba_ops, s, "opba", 2);
193     sysbus_init_mmio(SYS_BUS_DEVICE(s), &s->io);
194 }
195 
196 static void ppc405_opba_class_init(ObjectClass *oc, void *data)
197 {
198     DeviceClass *dc = DEVICE_CLASS(oc);
199 
200     dc->realize = ppc405_opba_realize;
201     dc->reset = ppc405_opba_reset;
202     /* Reason: only works as function of a ppc4xx SoC */
203     dc->user_creatable = false;
204 }
205 
206 /*****************************************************************************/
207 /* Code decompression controller */
208 /* XXX: TODO */
209 
210 /*****************************************************************************/
211 /* DMA controller */
212 enum {
213     DMA0_CR0 = 0x100,
214     DMA0_CT0 = 0x101,
215     DMA0_DA0 = 0x102,
216     DMA0_SA0 = 0x103,
217     DMA0_SG0 = 0x104,
218     DMA0_CR1 = 0x108,
219     DMA0_CT1 = 0x109,
220     DMA0_DA1 = 0x10A,
221     DMA0_SA1 = 0x10B,
222     DMA0_SG1 = 0x10C,
223     DMA0_CR2 = 0x110,
224     DMA0_CT2 = 0x111,
225     DMA0_DA2 = 0x112,
226     DMA0_SA2 = 0x113,
227     DMA0_SG2 = 0x114,
228     DMA0_CR3 = 0x118,
229     DMA0_CT3 = 0x119,
230     DMA0_DA3 = 0x11A,
231     DMA0_SA3 = 0x11B,
232     DMA0_SG3 = 0x11C,
233     DMA0_SR  = 0x120,
234     DMA0_SGC = 0x123,
235     DMA0_SLP = 0x125,
236     DMA0_POL = 0x126,
237 };
238 
239 static uint32_t dcr_read_dma(void *opaque, int dcrn)
240 {
241     return 0;
242 }
243 
244 static void dcr_write_dma(void *opaque, int dcrn, uint32_t val)
245 {
246 }
247 
248 static void ppc405_dma_reset(DeviceState *dev)
249 {
250     Ppc405DmaState *dma = PPC405_DMA(dev);
251     int i;
252 
253     for (i = 0; i < 4; i++) {
254         dma->cr[i] = 0x00000000;
255         dma->ct[i] = 0x00000000;
256         dma->da[i] = 0x00000000;
257         dma->sa[i] = 0x00000000;
258         dma->sg[i] = 0x00000000;
259     }
260     dma->sr = 0x00000000;
261     dma->sgc = 0x00000000;
262     dma->slp = 0x7C000000;
263     dma->pol = 0x00000000;
264 }
265 
266 static void ppc405_dma_realize(DeviceState *dev, Error **errp)
267 {
268     Ppc405DmaState *dma = PPC405_DMA(dev);
269     Ppc4xxDcrDeviceState *dcr = PPC4xx_DCR_DEVICE(dev);
270     int i;
271 
272     for (i = 0; i < ARRAY_SIZE(dma->irqs); i++) {
273         sysbus_init_irq(SYS_BUS_DEVICE(dma), &dma->irqs[i]);
274     }
275 
276     ppc4xx_dcr_register(dcr, DMA0_CR0, dma, &dcr_read_dma, &dcr_write_dma);
277     ppc4xx_dcr_register(dcr, DMA0_CT0, dma, &dcr_read_dma, &dcr_write_dma);
278     ppc4xx_dcr_register(dcr, DMA0_DA0, dma, &dcr_read_dma, &dcr_write_dma);
279     ppc4xx_dcr_register(dcr, DMA0_SA0, dma, &dcr_read_dma, &dcr_write_dma);
280     ppc4xx_dcr_register(dcr, DMA0_SG0, dma, &dcr_read_dma, &dcr_write_dma);
281     ppc4xx_dcr_register(dcr, DMA0_CR1, dma, &dcr_read_dma, &dcr_write_dma);
282     ppc4xx_dcr_register(dcr, DMA0_CT1, dma, &dcr_read_dma, &dcr_write_dma);
283     ppc4xx_dcr_register(dcr, DMA0_DA1, dma, &dcr_read_dma, &dcr_write_dma);
284     ppc4xx_dcr_register(dcr, DMA0_SA1, dma, &dcr_read_dma, &dcr_write_dma);
285     ppc4xx_dcr_register(dcr, DMA0_SG1, dma, &dcr_read_dma, &dcr_write_dma);
286     ppc4xx_dcr_register(dcr, DMA0_CR2, dma, &dcr_read_dma, &dcr_write_dma);
287     ppc4xx_dcr_register(dcr, DMA0_CT2, dma, &dcr_read_dma, &dcr_write_dma);
288     ppc4xx_dcr_register(dcr, DMA0_DA2, dma, &dcr_read_dma, &dcr_write_dma);
289     ppc4xx_dcr_register(dcr, DMA0_SA2, dma, &dcr_read_dma, &dcr_write_dma);
290     ppc4xx_dcr_register(dcr, DMA0_SG2, dma, &dcr_read_dma, &dcr_write_dma);
291     ppc4xx_dcr_register(dcr, DMA0_CR3, dma, &dcr_read_dma, &dcr_write_dma);
292     ppc4xx_dcr_register(dcr, DMA0_CT3, dma, &dcr_read_dma, &dcr_write_dma);
293     ppc4xx_dcr_register(dcr, DMA0_DA3, dma, &dcr_read_dma, &dcr_write_dma);
294     ppc4xx_dcr_register(dcr, DMA0_SA3, dma, &dcr_read_dma, &dcr_write_dma);
295     ppc4xx_dcr_register(dcr, DMA0_SG3, dma, &dcr_read_dma, &dcr_write_dma);
296     ppc4xx_dcr_register(dcr, DMA0_SR,  dma, &dcr_read_dma, &dcr_write_dma);
297     ppc4xx_dcr_register(dcr, DMA0_SGC, dma, &dcr_read_dma, &dcr_write_dma);
298     ppc4xx_dcr_register(dcr, DMA0_SLP, dma, &dcr_read_dma, &dcr_write_dma);
299     ppc4xx_dcr_register(dcr, DMA0_POL, dma, &dcr_read_dma, &dcr_write_dma);
300 }
301 
302 static void ppc405_dma_class_init(ObjectClass *oc, void *data)
303 {
304     DeviceClass *dc = DEVICE_CLASS(oc);
305 
306     dc->realize = ppc405_dma_realize;
307     dc->reset = ppc405_dma_reset;
308     /* Reason: only works as function of a ppc4xx SoC */
309     dc->user_creatable = false;
310 }
311 
312 /*****************************************************************************/
313 /* GPIO */
314 static uint64_t ppc405_gpio_read(void *opaque, hwaddr addr, unsigned size)
315 {
316     trace_ppc405_gpio_read(addr, size);
317     return 0;
318 }
319 
320 static void ppc405_gpio_write(void *opaque, hwaddr addr, uint64_t value,
321                               unsigned size)
322 {
323     trace_ppc405_gpio_write(addr, size, value);
324 }
325 
326 static const MemoryRegionOps ppc405_gpio_ops = {
327     .read = ppc405_gpio_read,
328     .write = ppc405_gpio_write,
329     .endianness = DEVICE_NATIVE_ENDIAN,
330 };
331 
332 static void ppc405_gpio_realize(DeviceState *dev, Error **errp)
333 {
334     Ppc405GpioState *s = PPC405_GPIO(dev);
335 
336     memory_region_init_io(&s->io, OBJECT(s), &ppc405_gpio_ops, s, "gpio",
337                           0x38);
338     sysbus_init_mmio(SYS_BUS_DEVICE(s), &s->io);
339 }
340 
341 static void ppc405_gpio_class_init(ObjectClass *oc, void *data)
342 {
343     DeviceClass *dc = DEVICE_CLASS(oc);
344 
345     dc->realize = ppc405_gpio_realize;
346     /* Reason: only works as function of a ppc4xx SoC */
347     dc->user_creatable = false;
348 }
349 
350 /*****************************************************************************/
351 /* On Chip Memory */
352 enum {
353     OCM0_ISARC   = 0x018,
354     OCM0_ISACNTL = 0x019,
355     OCM0_DSARC   = 0x01A,
356     OCM0_DSACNTL = 0x01B,
357 };
358 
359 static void ocm_update_mappings(Ppc405OcmState *ocm,
360                                 uint32_t isarc, uint32_t isacntl,
361                                 uint32_t dsarc, uint32_t dsacntl)
362 {
363     trace_ocm_update_mappings(isarc, isacntl, dsarc, dsacntl, ocm->isarc,
364                               ocm->isacntl, ocm->dsarc, ocm->dsacntl);
365 
366     if (ocm->isarc != isarc ||
367         (ocm->isacntl & 0x80000000) != (isacntl & 0x80000000)) {
368         if (ocm->isacntl & 0x80000000) {
369             /* Unmap previously assigned memory region */
370             trace_ocm_unmap("ISA", ocm->isarc);
371             memory_region_del_subregion(get_system_memory(), &ocm->isarc_ram);
372         }
373         if (isacntl & 0x80000000) {
374             /* Map new instruction memory region */
375             trace_ocm_map("ISA", isarc);
376             memory_region_add_subregion(get_system_memory(), isarc,
377                                         &ocm->isarc_ram);
378         }
379     }
380     if (ocm->dsarc != dsarc ||
381         (ocm->dsacntl & 0x80000000) != (dsacntl & 0x80000000)) {
382         if (ocm->dsacntl & 0x80000000) {
383             /* Beware not to unmap the region we just mapped */
384             if (!(isacntl & 0x80000000) || ocm->dsarc != isarc) {
385                 /* Unmap previously assigned memory region */
386                 trace_ocm_unmap("DSA", ocm->dsarc);
387                 memory_region_del_subregion(get_system_memory(),
388                                             &ocm->dsarc_ram);
389             }
390         }
391         if (dsacntl & 0x80000000) {
392             /* Beware not to remap the region we just mapped */
393             if (!(isacntl & 0x80000000) || dsarc != isarc) {
394                 /* Map new data memory region */
395                 trace_ocm_map("DSA", dsarc);
396                 memory_region_add_subregion(get_system_memory(), dsarc,
397                                             &ocm->dsarc_ram);
398             }
399         }
400     }
401 }
402 
403 static uint32_t dcr_read_ocm(void *opaque, int dcrn)
404 {
405     Ppc405OcmState *ocm = opaque;
406     uint32_t ret;
407 
408     switch (dcrn) {
409     case OCM0_ISARC:
410         ret = ocm->isarc;
411         break;
412     case OCM0_ISACNTL:
413         ret = ocm->isacntl;
414         break;
415     case OCM0_DSARC:
416         ret = ocm->dsarc;
417         break;
418     case OCM0_DSACNTL:
419         ret = ocm->dsacntl;
420         break;
421     default:
422         ret = 0;
423         break;
424     }
425 
426     return ret;
427 }
428 
429 static void dcr_write_ocm(void *opaque, int dcrn, uint32_t val)
430 {
431     Ppc405OcmState *ocm = opaque;
432     uint32_t isarc, dsarc, isacntl, dsacntl;
433 
434     isarc = ocm->isarc;
435     dsarc = ocm->dsarc;
436     isacntl = ocm->isacntl;
437     dsacntl = ocm->dsacntl;
438     switch (dcrn) {
439     case OCM0_ISARC:
440         isarc = val & 0xFC000000;
441         break;
442     case OCM0_ISACNTL:
443         isacntl = val & 0xC0000000;
444         break;
445     case OCM0_DSARC:
446         isarc = val & 0xFC000000;
447         break;
448     case OCM0_DSACNTL:
449         isacntl = val & 0xC0000000;
450         break;
451     }
452     ocm_update_mappings(ocm, isarc, isacntl, dsarc, dsacntl);
453     ocm->isarc = isarc;
454     ocm->dsarc = dsarc;
455     ocm->isacntl = isacntl;
456     ocm->dsacntl = dsacntl;
457 }
458 
459 static void ppc405_ocm_reset(DeviceState *dev)
460 {
461     Ppc405OcmState *ocm = PPC405_OCM(dev);
462     uint32_t isarc, dsarc, isacntl, dsacntl;
463 
464     isarc = 0x00000000;
465     isacntl = 0x00000000;
466     dsarc = 0x00000000;
467     dsacntl = 0x00000000;
468     ocm_update_mappings(ocm, isarc, isacntl, dsarc, dsacntl);
469     ocm->isarc = isarc;
470     ocm->dsarc = dsarc;
471     ocm->isacntl = isacntl;
472     ocm->dsacntl = dsacntl;
473 }
474 
475 static void ppc405_ocm_realize(DeviceState *dev, Error **errp)
476 {
477     Ppc405OcmState *ocm = PPC405_OCM(dev);
478     Ppc4xxDcrDeviceState *dcr = PPC4xx_DCR_DEVICE(dev);
479 
480     /* XXX: Size is 4096 or 0x04000000 */
481     memory_region_init_ram(&ocm->isarc_ram, OBJECT(ocm), "ppc405.ocm", 4 * KiB,
482                            &error_fatal);
483     memory_region_init_alias(&ocm->dsarc_ram, OBJECT(ocm), "ppc405.dsarc",
484                              &ocm->isarc_ram, 0, 4 * KiB);
485 
486     ppc4xx_dcr_register(dcr, OCM0_ISARC, ocm, &dcr_read_ocm, &dcr_write_ocm);
487     ppc4xx_dcr_register(dcr, OCM0_ISACNTL, ocm, &dcr_read_ocm, &dcr_write_ocm);
488     ppc4xx_dcr_register(dcr, OCM0_DSARC, ocm, &dcr_read_ocm, &dcr_write_ocm);
489     ppc4xx_dcr_register(dcr, OCM0_DSACNTL, ocm, &dcr_read_ocm, &dcr_write_ocm);
490 }
491 
492 static void ppc405_ocm_class_init(ObjectClass *oc, void *data)
493 {
494     DeviceClass *dc = DEVICE_CLASS(oc);
495 
496     dc->realize = ppc405_ocm_realize;
497     dc->reset = ppc405_ocm_reset;
498     /* Reason: only works as function of a ppc4xx SoC */
499     dc->user_creatable = false;
500 }
501 
502 /*****************************************************************************/
503 /* General purpose timers */
504 static int ppc4xx_gpt_compare(Ppc405GptState *gpt, int n)
505 {
506     /* XXX: TODO */
507     return 0;
508 }
509 
510 static void ppc4xx_gpt_set_output(Ppc405GptState *gpt, int n, int level)
511 {
512     /* XXX: TODO */
513 }
514 
515 static void ppc4xx_gpt_set_outputs(Ppc405GptState *gpt)
516 {
517     uint32_t mask;
518     int i;
519 
520     mask = 0x80000000;
521     for (i = 0; i < 5; i++) {
522         if (gpt->oe & mask) {
523             /* Output is enabled */
524             if (ppc4xx_gpt_compare(gpt, i)) {
525                 /* Comparison is OK */
526                 ppc4xx_gpt_set_output(gpt, i, gpt->ol & mask);
527             } else {
528                 /* Comparison is KO */
529                 ppc4xx_gpt_set_output(gpt, i, gpt->ol & mask ? 0 : 1);
530             }
531         }
532         mask = mask >> 1;
533     }
534 }
535 
536 static void ppc4xx_gpt_set_irqs(Ppc405GptState *gpt)
537 {
538     uint32_t mask;
539     int i;
540 
541     mask = 0x00008000;
542     for (i = 0; i < 5; i++) {
543         if (gpt->is & gpt->im & mask) {
544             qemu_irq_raise(gpt->irqs[i]);
545         } else {
546             qemu_irq_lower(gpt->irqs[i]);
547         }
548         mask = mask >> 1;
549     }
550 }
551 
552 static void ppc4xx_gpt_compute_timer(Ppc405GptState *gpt)
553 {
554     /* XXX: TODO */
555 }
556 
557 static uint64_t ppc4xx_gpt_read(void *opaque, hwaddr addr, unsigned size)
558 {
559     Ppc405GptState *gpt = opaque;
560     uint32_t ret;
561     int idx;
562 
563     trace_ppc4xx_gpt_read(addr, size);
564 
565     switch (addr) {
566     case 0x00:
567         /* Time base counter */
568         ret = muldiv64(qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + gpt->tb_offset,
569                        gpt->tb_freq, NANOSECONDS_PER_SECOND);
570         break;
571     case 0x10:
572         /* Output enable */
573         ret = gpt->oe;
574         break;
575     case 0x14:
576         /* Output level */
577         ret = gpt->ol;
578         break;
579     case 0x18:
580         /* Interrupt mask */
581         ret = gpt->im;
582         break;
583     case 0x1C:
584     case 0x20:
585         /* Interrupt status */
586         ret = gpt->is;
587         break;
588     case 0x24:
589         /* Interrupt enable */
590         ret = gpt->ie;
591         break;
592     case 0x80 ... 0x90:
593         /* Compare timer */
594         idx = (addr - 0x80) >> 2;
595         ret = gpt->comp[idx];
596         break;
597     case 0xC0 ... 0xD0:
598         /* Compare mask */
599         idx = (addr - 0xC0) >> 2;
600         ret = gpt->mask[idx];
601         break;
602     default:
603         ret = -1;
604         break;
605     }
606 
607     return ret;
608 }
609 
610 static void ppc4xx_gpt_write(void *opaque, hwaddr addr, uint64_t value,
611                              unsigned size)
612 {
613     Ppc405GptState *gpt = opaque;
614     int idx;
615 
616     trace_ppc4xx_gpt_write(addr, size, value);
617 
618     switch (addr) {
619     case 0x00:
620         /* Time base counter */
621         gpt->tb_offset = muldiv64(value, NANOSECONDS_PER_SECOND, gpt->tb_freq)
622             - qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
623         ppc4xx_gpt_compute_timer(gpt);
624         break;
625     case 0x10:
626         /* Output enable */
627         gpt->oe = value & 0xF8000000;
628         ppc4xx_gpt_set_outputs(gpt);
629         break;
630     case 0x14:
631         /* Output level */
632         gpt->ol = value & 0xF8000000;
633         ppc4xx_gpt_set_outputs(gpt);
634         break;
635     case 0x18:
636         /* Interrupt mask */
637         gpt->im = value & 0x0000F800;
638         break;
639     case 0x1C:
640         /* Interrupt status set */
641         gpt->is |= value & 0x0000F800;
642         ppc4xx_gpt_set_irqs(gpt);
643         break;
644     case 0x20:
645         /* Interrupt status clear */
646         gpt->is &= ~(value & 0x0000F800);
647         ppc4xx_gpt_set_irqs(gpt);
648         break;
649     case 0x24:
650         /* Interrupt enable */
651         gpt->ie = value & 0x0000F800;
652         ppc4xx_gpt_set_irqs(gpt);
653         break;
654     case 0x80 ... 0x90:
655         /* Compare timer */
656         idx = (addr - 0x80) >> 2;
657         gpt->comp[idx] = value & 0xF8000000;
658         ppc4xx_gpt_compute_timer(gpt);
659         break;
660     case 0xC0 ... 0xD0:
661         /* Compare mask */
662         idx = (addr - 0xC0) >> 2;
663         gpt->mask[idx] = value & 0xF8000000;
664         ppc4xx_gpt_compute_timer(gpt);
665         break;
666     }
667 }
668 
669 static const MemoryRegionOps gpt_ops = {
670     .read = ppc4xx_gpt_read,
671     .write = ppc4xx_gpt_write,
672     .valid.min_access_size = 4,
673     .valid.max_access_size = 4,
674     .endianness = DEVICE_NATIVE_ENDIAN,
675 };
676 
677 static void ppc4xx_gpt_cb(void *opaque)
678 {
679     Ppc405GptState *gpt = opaque;
680 
681     ppc4xx_gpt_set_irqs(gpt);
682     ppc4xx_gpt_set_outputs(gpt);
683     ppc4xx_gpt_compute_timer(gpt);
684 }
685 
686 static void ppc405_gpt_reset(DeviceState *dev)
687 {
688     Ppc405GptState *gpt = PPC405_GPT(dev);
689     int i;
690 
691     timer_del(gpt->timer);
692     gpt->oe = 0x00000000;
693     gpt->ol = 0x00000000;
694     gpt->im = 0x00000000;
695     gpt->is = 0x00000000;
696     gpt->ie = 0x00000000;
697     for (i = 0; i < 5; i++) {
698         gpt->comp[i] = 0x00000000;
699         gpt->mask[i] = 0x00000000;
700     }
701 }
702 
703 static void ppc405_gpt_realize(DeviceState *dev, Error **errp)
704 {
705     Ppc405GptState *s = PPC405_GPT(dev);
706     SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
707     int i;
708 
709     s->timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, &ppc4xx_gpt_cb, s);
710     memory_region_init_io(&s->iomem, OBJECT(s), &gpt_ops, s, "gpt", 0xd4);
711     sysbus_init_mmio(sbd, &s->iomem);
712 
713     for (i = 0; i < ARRAY_SIZE(s->irqs); i++) {
714         sysbus_init_irq(sbd, &s->irqs[i]);
715     }
716 }
717 
718 static void ppc405_gpt_finalize(Object *obj)
719 {
720     /* timer will be NULL if the GPT wasn't realized */
721     if (PPC405_GPT(obj)->timer) {
722         timer_del(PPC405_GPT(obj)->timer);
723     }
724 }
725 
726 static void ppc405_gpt_class_init(ObjectClass *oc, void *data)
727 {
728     DeviceClass *dc = DEVICE_CLASS(oc);
729 
730     dc->realize = ppc405_gpt_realize;
731     dc->reset = ppc405_gpt_reset;
732     /* Reason: only works as function of a ppc4xx SoC */
733     dc->user_creatable = false;
734 }
735 
736 /*****************************************************************************/
737 /* PowerPC 405EP */
738 /* CPU control */
739 enum {
740     PPC405EP_CPC0_PLLMR0 = 0x0F0,
741     PPC405EP_CPC0_BOOT   = 0x0F1,
742     PPC405EP_CPC0_EPCTL  = 0x0F3,
743     PPC405EP_CPC0_PLLMR1 = 0x0F4,
744     PPC405EP_CPC0_UCR    = 0x0F5,
745     PPC405EP_CPC0_SRR    = 0x0F6,
746     PPC405EP_CPC0_JTAGID = 0x0F7,
747     PPC405EP_CPC0_PCI    = 0x0F9,
748 #if 0
749     PPC405EP_CPC0_ER     = xxx,
750     PPC405EP_CPC0_FR     = xxx,
751     PPC405EP_CPC0_SR     = xxx,
752 #endif
753 };
754 
755 static void ppc405ep_compute_clocks(Ppc405CpcState *cpc)
756 {
757     uint32_t CPU_clk, PLB_clk, OPB_clk, EBC_clk, MAL_clk, PCI_clk;
758     uint32_t UART0_clk, UART1_clk;
759     uint64_t VCO_out, PLL_out;
760     int M, D;
761 
762     VCO_out = 0;
763     if ((cpc->pllmr[1] & 0x80000000) && !(cpc->pllmr[1] & 0x40000000)) {
764         M = (((cpc->pllmr[1] >> 20) - 1) & 0xF) + 1; /* FBMUL */
765         trace_ppc405ep_clocks_compute("FBMUL", (cpc->pllmr[1] >> 20) & 0xF, M);
766         D = 8 - ((cpc->pllmr[1] >> 16) & 0x7); /* FWDA */
767         trace_ppc405ep_clocks_compute("FWDA", (cpc->pllmr[1] >> 16) & 0x7, D);
768         VCO_out = (uint64_t)cpc->sysclk * M * D;
769         if (VCO_out < 500000000UL || VCO_out > 1000000000UL) {
770             /* Error - unlock the PLL */
771             qemu_log_mask(LOG_GUEST_ERROR, "VCO out of range %" PRIu64 "\n",
772                           VCO_out);
773 #if 0
774             cpc->pllmr[1] &= ~0x80000000;
775             goto pll_bypass;
776 #endif
777         }
778         PLL_out = VCO_out / D;
779         /* Pretend the PLL is locked */
780         cpc->boot |= 0x00000001;
781     } else {
782 #if 0
783     pll_bypass:
784 #endif
785         PLL_out = cpc->sysclk;
786         if (cpc->pllmr[1] & 0x40000000) {
787             /* Pretend the PLL is not locked */
788             cpc->boot &= ~0x00000001;
789         }
790     }
791     /* Now, compute all other clocks */
792     D = ((cpc->pllmr[0] >> 20) & 0x3) + 1; /* CCDV */
793      trace_ppc405ep_clocks_compute("CCDV", (cpc->pllmr[0] >> 20) & 0x3, D);
794     CPU_clk = PLL_out / D;
795     D = ((cpc->pllmr[0] >> 16) & 0x3) + 1; /* CBDV */
796     trace_ppc405ep_clocks_compute("CBDV", (cpc->pllmr[0] >> 16) & 0x3, D);
797     PLB_clk = CPU_clk / D;
798     D = ((cpc->pllmr[0] >> 12) & 0x3) + 1; /* OPDV */
799     trace_ppc405ep_clocks_compute("OPDV", (cpc->pllmr[0] >> 12) & 0x3, D);
800     OPB_clk = PLB_clk / D;
801     D = ((cpc->pllmr[0] >> 8) & 0x3) + 2; /* EPDV */
802     trace_ppc405ep_clocks_compute("EPDV", (cpc->pllmr[0] >> 8) & 0x3, D);
803     EBC_clk = PLB_clk / D;
804     D = ((cpc->pllmr[0] >> 4) & 0x3) + 1; /* MPDV */
805     trace_ppc405ep_clocks_compute("MPDV", (cpc->pllmr[0] >> 4) & 0x3, D);
806     MAL_clk = PLB_clk / D;
807     D = (cpc->pllmr[0] & 0x3) + 1; /* PPDV */
808     trace_ppc405ep_clocks_compute("PPDV", cpc->pllmr[0] & 0x3, D);
809     PCI_clk = PLB_clk / D;
810     D = ((cpc->ucr - 1) & 0x7F) + 1; /* U0DIV */
811     trace_ppc405ep_clocks_compute("U0DIV", cpc->ucr & 0x7F, D);
812     UART0_clk = PLL_out / D;
813     D = (((cpc->ucr >> 8) - 1) & 0x7F) + 1; /* U1DIV */
814     trace_ppc405ep_clocks_compute("U1DIV", (cpc->ucr >> 8) & 0x7F, D);
815     UART1_clk = PLL_out / D;
816 
817     if (trace_event_get_state_backends(TRACE_PPC405EP_CLOCKS_SETUP)) {
818         g_autofree char *trace = g_strdup_printf(
819             "Setup PPC405EP clocks - sysclk %" PRIu32 " VCO %" PRIu64
820             " PLL out %" PRIu64 " Hz\n"
821             "CPU %" PRIu32 " PLB %" PRIu32 " OPB %" PRIu32 " EBC %" PRIu32
822             " MAL %" PRIu32 " PCI %" PRIu32 " UART0 %" PRIu32
823             " UART1 %" PRIu32 "\n",
824             cpc->sysclk, VCO_out, PLL_out,
825             CPU_clk, PLB_clk, OPB_clk, EBC_clk, MAL_clk, PCI_clk,
826             UART0_clk, UART1_clk);
827         trace_ppc405ep_clocks_setup(trace);
828     }
829 
830     /* Setup CPU clocks */
831     clk_setup(&cpc->clk_setup[PPC405EP_CPU_CLK], CPU_clk);
832     /* Setup PLB clock */
833     clk_setup(&cpc->clk_setup[PPC405EP_PLB_CLK], PLB_clk);
834     /* Setup OPB clock */
835     clk_setup(&cpc->clk_setup[PPC405EP_OPB_CLK], OPB_clk);
836     /* Setup external clock */
837     clk_setup(&cpc->clk_setup[PPC405EP_EBC_CLK], EBC_clk);
838     /* Setup MAL clock */
839     clk_setup(&cpc->clk_setup[PPC405EP_MAL_CLK], MAL_clk);
840     /* Setup PCI clock */
841     clk_setup(&cpc->clk_setup[PPC405EP_PCI_CLK], PCI_clk);
842     /* Setup UART0 clock */
843     clk_setup(&cpc->clk_setup[PPC405EP_UART0_CLK], UART0_clk);
844     /* Setup UART1 clock */
845     clk_setup(&cpc->clk_setup[PPC405EP_UART1_CLK], UART1_clk);
846 }
847 
848 static uint32_t dcr_read_epcpc(void *opaque, int dcrn)
849 {
850     Ppc405CpcState *cpc = opaque;
851     uint32_t ret;
852 
853     switch (dcrn) {
854     case PPC405EP_CPC0_BOOT:
855         ret = cpc->boot;
856         break;
857     case PPC405EP_CPC0_EPCTL:
858         ret = cpc->epctl;
859         break;
860     case PPC405EP_CPC0_PLLMR0:
861         ret = cpc->pllmr[0];
862         break;
863     case PPC405EP_CPC0_PLLMR1:
864         ret = cpc->pllmr[1];
865         break;
866     case PPC405EP_CPC0_UCR:
867         ret = cpc->ucr;
868         break;
869     case PPC405EP_CPC0_SRR:
870         ret = cpc->srr;
871         break;
872     case PPC405EP_CPC0_JTAGID:
873         ret = cpc->jtagid;
874         break;
875     case PPC405EP_CPC0_PCI:
876         ret = cpc->pci;
877         break;
878     default:
879         /* Avoid gcc warning */
880         ret = 0;
881         break;
882     }
883 
884     return ret;
885 }
886 
887 static void dcr_write_epcpc(void *opaque, int dcrn, uint32_t val)
888 {
889     Ppc405CpcState *cpc = opaque;
890 
891     switch (dcrn) {
892     case PPC405EP_CPC0_BOOT:
893         /* Read-only register */
894         break;
895     case PPC405EP_CPC0_EPCTL:
896         /* Don't care for now */
897         cpc->epctl = val & 0xC00000F3;
898         break;
899     case PPC405EP_CPC0_PLLMR0:
900         cpc->pllmr[0] = val & 0x00633333;
901         ppc405ep_compute_clocks(cpc);
902         break;
903     case PPC405EP_CPC0_PLLMR1:
904         cpc->pllmr[1] = val & 0xC0F73FFF;
905         ppc405ep_compute_clocks(cpc);
906         break;
907     case PPC405EP_CPC0_UCR:
908         /* UART control - don't care for now */
909         cpc->ucr = val & 0x003F7F7F;
910         break;
911     case PPC405EP_CPC0_SRR:
912         cpc->srr = val;
913         break;
914     case PPC405EP_CPC0_JTAGID:
915         /* Read-only */
916         break;
917     case PPC405EP_CPC0_PCI:
918         cpc->pci = val;
919         break;
920     }
921 }
922 
923 static void ppc405_cpc_reset(DeviceState *dev)
924 {
925     Ppc405CpcState *cpc = PPC405_CPC(dev);
926 
927     cpc->boot = 0x00000010;     /* Boot from PCI - IIC EEPROM disabled */
928     cpc->epctl = 0x00000000;
929     cpc->pllmr[0] = 0x00021002;
930     cpc->pllmr[1] = 0x80a552be;
931     cpc->ucr = 0x00004646;
932     cpc->srr = 0x00040000;
933     cpc->pci = 0x00000000;
934     cpc->er = 0x00000000;
935     cpc->fr = 0x00000000;
936     cpc->sr = 0x00000000;
937     cpc->jtagid = 0x20267049;
938     ppc405ep_compute_clocks(cpc);
939 }
940 
941 /* XXX: sysclk should be between 25 and 100 MHz */
942 static void ppc405_cpc_realize(DeviceState *dev, Error **errp)
943 {
944     Ppc405CpcState *cpc = PPC405_CPC(dev);
945     Ppc4xxDcrDeviceState *dcr = PPC4xx_DCR_DEVICE(dev);
946 
947     assert(dcr->cpu);
948     cpc->clk_setup[PPC405EP_CPU_CLK].cb =
949         ppc_40x_timers_init(&dcr->cpu->env, cpc->sysclk, PPC_INTERRUPT_PIT);
950     cpc->clk_setup[PPC405EP_CPU_CLK].opaque = &dcr->cpu->env;
951 
952     ppc4xx_dcr_register(dcr, PPC405EP_CPC0_BOOT, cpc,
953                         &dcr_read_epcpc, &dcr_write_epcpc);
954     ppc4xx_dcr_register(dcr, PPC405EP_CPC0_EPCTL, cpc,
955                         &dcr_read_epcpc, &dcr_write_epcpc);
956     ppc4xx_dcr_register(dcr, PPC405EP_CPC0_PLLMR0, cpc,
957                         &dcr_read_epcpc, &dcr_write_epcpc);
958     ppc4xx_dcr_register(dcr, PPC405EP_CPC0_PLLMR1, cpc,
959                         &dcr_read_epcpc, &dcr_write_epcpc);
960     ppc4xx_dcr_register(dcr, PPC405EP_CPC0_UCR, cpc,
961                         &dcr_read_epcpc, &dcr_write_epcpc);
962     ppc4xx_dcr_register(dcr, PPC405EP_CPC0_SRR, cpc,
963                         &dcr_read_epcpc, &dcr_write_epcpc);
964     ppc4xx_dcr_register(dcr, PPC405EP_CPC0_JTAGID, cpc,
965                         &dcr_read_epcpc, &dcr_write_epcpc);
966     ppc4xx_dcr_register(dcr, PPC405EP_CPC0_PCI, cpc,
967                         &dcr_read_epcpc, &dcr_write_epcpc);
968 }
969 
970 static Property ppc405_cpc_properties[] = {
971     DEFINE_PROP_UINT32("sys-clk", Ppc405CpcState, sysclk, 0),
972     DEFINE_PROP_END_OF_LIST(),
973 };
974 
975 static void ppc405_cpc_class_init(ObjectClass *oc, void *data)
976 {
977     DeviceClass *dc = DEVICE_CLASS(oc);
978 
979     dc->realize = ppc405_cpc_realize;
980     dc->reset = ppc405_cpc_reset;
981     /* Reason: only works as function of a ppc4xx SoC */
982     dc->user_creatable = false;
983     device_class_set_props(dc, ppc405_cpc_properties);
984 }
985 
986 /* PPC405_SOC */
987 
988 static void ppc405_soc_instance_init(Object *obj)
989 {
990     Ppc405SoCState *s = PPC405_SOC(obj);
991 
992     object_initialize_child(obj, "cpu", &s->cpu,
993                             POWERPC_CPU_TYPE_NAME("405ep"));
994 
995     object_initialize_child(obj, "uic", &s->uic, TYPE_PPC_UIC);
996 
997     object_initialize_child(obj, "cpc", &s->cpc, TYPE_PPC405_CPC);
998     object_property_add_alias(obj, "sys-clk", OBJECT(&s->cpc), "sys-clk");
999 
1000     object_initialize_child(obj, "gpt", &s->gpt, TYPE_PPC405_GPT);
1001 
1002     object_initialize_child(obj, "ocm", &s->ocm, TYPE_PPC405_OCM);
1003 
1004     object_initialize_child(obj, "gpio", &s->gpio, TYPE_PPC405_GPIO);
1005 
1006     object_initialize_child(obj, "dma", &s->dma, TYPE_PPC405_DMA);
1007 
1008     object_initialize_child(obj, "i2c", &s->i2c, TYPE_PPC4xx_I2C);
1009 
1010     object_initialize_child(obj, "ebc", &s->ebc, TYPE_PPC4xx_EBC);
1011 
1012     object_initialize_child(obj, "opba", &s->opba, TYPE_PPC405_OPBA);
1013 
1014     object_initialize_child(obj, "pob", &s->pob, TYPE_PPC405_POB);
1015 
1016     object_initialize_child(obj, "plb", &s->plb, TYPE_PPC4xx_PLB);
1017 
1018     object_initialize_child(obj, "mal", &s->mal, TYPE_PPC4xx_MAL);
1019 }
1020 
1021 static void ppc405_reset(void *opaque)
1022 {
1023     cpu_reset(CPU(opaque));
1024 }
1025 
1026 static void ppc405_soc_realize(DeviceState *dev, Error **errp)
1027 {
1028     Ppc405SoCState *s = PPC405_SOC(dev);
1029     CPUPPCState *env;
1030     SysBusDevice *sbd;
1031     int i;
1032 
1033     /* init CPUs */
1034     if (!qdev_realize(DEVICE(&s->cpu), NULL, errp)) {
1035         return;
1036     }
1037     qemu_register_reset(ppc405_reset, &s->cpu);
1038 
1039     env = &s->cpu.env;
1040 
1041     ppc_dcr_init(env, NULL, NULL);
1042 
1043     /* CPU control */
1044     if (!ppc4xx_dcr_realize(PPC4xx_DCR_DEVICE(&s->cpc), &s->cpu, errp)) {
1045         return;
1046     }
1047 
1048     /* PLB arbitrer */
1049     if (!ppc4xx_dcr_realize(PPC4xx_DCR_DEVICE(&s->plb), &s->cpu, errp)) {
1050         return;
1051     }
1052 
1053     /* PLB to OPB bridge */
1054     if (!ppc4xx_dcr_realize(PPC4xx_DCR_DEVICE(&s->pob), &s->cpu, errp)) {
1055         return;
1056     }
1057 
1058     /* OBP arbitrer */
1059     sbd = SYS_BUS_DEVICE(&s->opba);
1060     if (!sysbus_realize(sbd, errp)) {
1061         return;
1062     }
1063     sysbus_mmio_map(sbd, 0, 0xef600600);
1064 
1065     /* Universal interrupt controller */
1066     if (!ppc4xx_dcr_realize(PPC4xx_DCR_DEVICE(&s->uic), &s->cpu, errp)) {
1067         return;
1068     }
1069     sbd = SYS_BUS_DEVICE(&s->uic);
1070     sysbus_connect_irq(sbd, PPCUIC_OUTPUT_INT,
1071                        qdev_get_gpio_in(DEVICE(&s->cpu), PPC40x_INPUT_INT));
1072     sysbus_connect_irq(sbd, PPCUIC_OUTPUT_CINT,
1073                        qdev_get_gpio_in(DEVICE(&s->cpu), PPC40x_INPUT_CINT));
1074 
1075     /* SDRAM controller */
1076         /* XXX 405EP has no ECC interrupt */
1077     s->ram_banks[0].base = 0;
1078     s->ram_banks[0].size = s->ram_size;
1079     memory_region_init_alias(&s->ram_banks[0].ram, OBJECT(s),
1080                              "ppc405.sdram0", s->dram_mr,
1081                              s->ram_banks[0].base, s->ram_banks[0].size);
1082 
1083     ppc4xx_sdram_init(env, qdev_get_gpio_in(DEVICE(&s->uic), 17), 1,
1084                       s->ram_banks);
1085 
1086     /* External bus controller */
1087     if (!ppc4xx_dcr_realize(PPC4xx_DCR_DEVICE(&s->ebc), &s->cpu, errp)) {
1088         return;
1089     }
1090 
1091     /* DMA controller */
1092     if (!ppc4xx_dcr_realize(PPC4xx_DCR_DEVICE(&s->dma), &s->cpu, errp)) {
1093         return;
1094     }
1095     sbd = SYS_BUS_DEVICE(&s->dma);
1096     for (i = 0; i < ARRAY_SIZE(s->dma.irqs); i++) {
1097         sysbus_connect_irq(sbd, i, qdev_get_gpio_in(DEVICE(&s->uic), 5 + i));
1098     }
1099 
1100     /* I2C controller */
1101     sbd = SYS_BUS_DEVICE(&s->i2c);
1102     if (!sysbus_realize(sbd, errp)) {
1103         return;
1104     }
1105     sysbus_mmio_map(sbd, 0, 0xef600500);
1106     sysbus_connect_irq(sbd, 0, qdev_get_gpio_in(DEVICE(&s->uic), 2));
1107 
1108     /* GPIO */
1109     sbd = SYS_BUS_DEVICE(&s->gpio);
1110     if (!sysbus_realize(sbd, errp)) {
1111         return;
1112     }
1113     sysbus_mmio_map(sbd, 0, 0xef600700);
1114 
1115     /* Serial ports */
1116     if (serial_hd(0) != NULL) {
1117         serial_mm_init(get_system_memory(), 0xef600300, 0,
1118                        qdev_get_gpio_in(DEVICE(&s->uic), 0),
1119                        PPC_SERIAL_MM_BAUDBASE, serial_hd(0),
1120                        DEVICE_BIG_ENDIAN);
1121     }
1122     if (serial_hd(1) != NULL) {
1123         serial_mm_init(get_system_memory(), 0xef600400, 0,
1124                        qdev_get_gpio_in(DEVICE(&s->uic), 1),
1125                        PPC_SERIAL_MM_BAUDBASE, serial_hd(1),
1126                        DEVICE_BIG_ENDIAN);
1127     }
1128 
1129     /* OCM */
1130     if (!ppc4xx_dcr_realize(PPC4xx_DCR_DEVICE(&s->ocm), &s->cpu, errp)) {
1131         return;
1132     }
1133 
1134     /* GPT */
1135     sbd = SYS_BUS_DEVICE(&s->gpt);
1136     if (!sysbus_realize(sbd, errp)) {
1137         return;
1138     }
1139     sysbus_mmio_map(sbd, 0, 0xef600000);
1140     for (i = 0; i < ARRAY_SIZE(s->gpt.irqs); i++) {
1141         sysbus_connect_irq(sbd, i, qdev_get_gpio_in(DEVICE(&s->uic), 19 + i));
1142     }
1143 
1144     /* MAL */
1145     object_property_set_int(OBJECT(&s->mal), "txc-num", 4, &error_abort);
1146     object_property_set_int(OBJECT(&s->mal), "rxc-num", 2, &error_abort);
1147     if (!ppc4xx_dcr_realize(PPC4xx_DCR_DEVICE(&s->mal), &s->cpu, errp)) {
1148         return;
1149     }
1150     sbd = SYS_BUS_DEVICE(&s->mal);
1151     for (i = 0; i < ARRAY_SIZE(s->mal.irqs); i++) {
1152         sysbus_connect_irq(sbd, i, qdev_get_gpio_in(DEVICE(&s->uic), 11 + i));
1153     }
1154 
1155     /* Ethernet */
1156     /* Uses UIC IRQs 9, 15, 17 */
1157 }
1158 
1159 static Property ppc405_soc_properties[] = {
1160     DEFINE_PROP_LINK("dram", Ppc405SoCState, dram_mr, TYPE_MEMORY_REGION,
1161                      MemoryRegion *),
1162     DEFINE_PROP_UINT64("ram-size", Ppc405SoCState, ram_size, 0),
1163     DEFINE_PROP_END_OF_LIST(),
1164 };
1165 
1166 static void ppc405_soc_class_init(ObjectClass *oc, void *data)
1167 {
1168     DeviceClass *dc = DEVICE_CLASS(oc);
1169 
1170     dc->realize = ppc405_soc_realize;
1171     /* Reason: only works as part of a ppc405 board/machine */
1172     dc->user_creatable = false;
1173     device_class_set_props(dc, ppc405_soc_properties);
1174 }
1175 
1176 static const TypeInfo ppc405_types[] = {
1177     {
1178         .name           = TYPE_PPC405_POB,
1179         .parent         = TYPE_PPC4xx_DCR_DEVICE,
1180         .instance_size  = sizeof(Ppc405PobState),
1181         .class_init     = ppc405_pob_class_init,
1182     }, {
1183         .name           = TYPE_PPC405_OPBA,
1184         .parent         = TYPE_SYS_BUS_DEVICE,
1185         .instance_size  = sizeof(Ppc405OpbaState),
1186         .class_init     = ppc405_opba_class_init,
1187     }, {
1188         .name           = TYPE_PPC405_DMA,
1189         .parent         = TYPE_PPC4xx_DCR_DEVICE,
1190         .instance_size  = sizeof(Ppc405DmaState),
1191         .class_init     = ppc405_dma_class_init,
1192     }, {
1193         .name           = TYPE_PPC405_GPIO,
1194         .parent         = TYPE_SYS_BUS_DEVICE,
1195         .instance_size  = sizeof(Ppc405GpioState),
1196         .class_init     = ppc405_gpio_class_init,
1197     }, {
1198         .name           = TYPE_PPC405_OCM,
1199         .parent         = TYPE_PPC4xx_DCR_DEVICE,
1200         .instance_size  = sizeof(Ppc405OcmState),
1201         .class_init     = ppc405_ocm_class_init,
1202     }, {
1203         .name           = TYPE_PPC405_GPT,
1204         .parent         = TYPE_SYS_BUS_DEVICE,
1205         .instance_size  = sizeof(Ppc405GptState),
1206         .instance_finalize = ppc405_gpt_finalize,
1207         .class_init     = ppc405_gpt_class_init,
1208     }, {
1209         .name           = TYPE_PPC405_CPC,
1210         .parent         = TYPE_PPC4xx_DCR_DEVICE,
1211         .instance_size  = sizeof(Ppc405CpcState),
1212         .class_init     = ppc405_cpc_class_init,
1213     }, {
1214         .name           = TYPE_PPC405_SOC,
1215         .parent         = TYPE_DEVICE,
1216         .instance_size  = sizeof(Ppc405SoCState),
1217         .instance_init  = ppc405_soc_instance_init,
1218         .class_init     = ppc405_soc_class_init,
1219     }
1220 };
1221 
1222 DEFINE_TYPES(ppc405_types)
1223