xref: /openbmc/qemu/hw/ppc/ppc405_uc.c (revision 503bb0b9)
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 #include "qemu/osdep.h"
25 #include "qemu/units.h"
26 #include "qapi/error.h"
27 #include "qemu-common.h"
28 #include "cpu.h"
29 #include "hw/hw.h"
30 #include "hw/ppc/ppc.h"
31 #include "hw/boards.h"
32 #include "hw/i2c/ppc4xx_i2c.h"
33 #include "ppc405.h"
34 #include "hw/char/serial.h"
35 #include "qemu/timer.h"
36 #include "sysemu/sysemu.h"
37 #include "qemu/log.h"
38 #include "exec/address-spaces.h"
39 
40 //#define DEBUG_OPBA
41 //#define DEBUG_SDRAM
42 //#define DEBUG_GPIO
43 //#define DEBUG_SERIAL
44 //#define DEBUG_OCM
45 //#define DEBUG_GPT
46 //#define DEBUG_CLOCKS
47 //#define DEBUG_CLOCKS_LL
48 
49 ram_addr_t ppc405_set_bootinfo (CPUPPCState *env, ppc4xx_bd_info_t *bd,
50                                 uint32_t flags)
51 {
52     CPUState *cs = CPU(ppc_env_get_cpu(env));
53     ram_addr_t bdloc;
54     int i, n;
55 
56     /* We put the bd structure at the top of memory */
57     if (bd->bi_memsize >= 0x01000000UL)
58         bdloc = 0x01000000UL - sizeof(struct ppc4xx_bd_info_t);
59     else
60         bdloc = bd->bi_memsize - sizeof(struct ppc4xx_bd_info_t);
61     stl_be_phys(cs->as, bdloc + 0x00, bd->bi_memstart);
62     stl_be_phys(cs->as, bdloc + 0x04, bd->bi_memsize);
63     stl_be_phys(cs->as, bdloc + 0x08, bd->bi_flashstart);
64     stl_be_phys(cs->as, bdloc + 0x0C, bd->bi_flashsize);
65     stl_be_phys(cs->as, bdloc + 0x10, bd->bi_flashoffset);
66     stl_be_phys(cs->as, bdloc + 0x14, bd->bi_sramstart);
67     stl_be_phys(cs->as, bdloc + 0x18, bd->bi_sramsize);
68     stl_be_phys(cs->as, bdloc + 0x1C, bd->bi_bootflags);
69     stl_be_phys(cs->as, bdloc + 0x20, bd->bi_ipaddr);
70     for (i = 0; i < 6; i++) {
71         stb_phys(cs->as, bdloc + 0x24 + i, bd->bi_enetaddr[i]);
72     }
73     stw_be_phys(cs->as, bdloc + 0x2A, bd->bi_ethspeed);
74     stl_be_phys(cs->as, bdloc + 0x2C, bd->bi_intfreq);
75     stl_be_phys(cs->as, bdloc + 0x30, bd->bi_busfreq);
76     stl_be_phys(cs->as, bdloc + 0x34, bd->bi_baudrate);
77     for (i = 0; i < 4; i++) {
78         stb_phys(cs->as, bdloc + 0x38 + i, bd->bi_s_version[i]);
79     }
80     for (i = 0; i < 32; i++) {
81         stb_phys(cs->as, bdloc + 0x3C + i, bd->bi_r_version[i]);
82     }
83     stl_be_phys(cs->as, bdloc + 0x5C, bd->bi_plb_busfreq);
84     stl_be_phys(cs->as, bdloc + 0x60, bd->bi_pci_busfreq);
85     for (i = 0; i < 6; i++) {
86         stb_phys(cs->as, bdloc + 0x64 + i, bd->bi_pci_enetaddr[i]);
87     }
88     n = 0x6A;
89     if (flags & 0x00000001) {
90         for (i = 0; i < 6; i++)
91             stb_phys(cs->as, bdloc + n++, bd->bi_pci_enetaddr2[i]);
92     }
93     stl_be_phys(cs->as, bdloc + n, bd->bi_opbfreq);
94     n += 4;
95     for (i = 0; i < 2; i++) {
96         stl_be_phys(cs->as, bdloc + n, bd->bi_iic_fast[i]);
97         n += 4;
98     }
99 
100     return bdloc;
101 }
102 
103 /*****************************************************************************/
104 /* Shared peripherals */
105 
106 /*****************************************************************************/
107 /* Peripheral local bus arbitrer */
108 enum {
109     PLB3A0_ACR = 0x077,
110     PLB4A0_ACR = 0x081,
111     PLB0_BESR  = 0x084,
112     PLB0_BEAR  = 0x086,
113     PLB0_ACR   = 0x087,
114     PLB4A1_ACR = 0x089,
115 };
116 
117 typedef struct ppc4xx_plb_t ppc4xx_plb_t;
118 struct ppc4xx_plb_t {
119     uint32_t acr;
120     uint32_t bear;
121     uint32_t besr;
122 };
123 
124 static uint32_t dcr_read_plb (void *opaque, int dcrn)
125 {
126     ppc4xx_plb_t *plb;
127     uint32_t ret;
128 
129     plb = opaque;
130     switch (dcrn) {
131     case PLB0_ACR:
132         ret = plb->acr;
133         break;
134     case PLB0_BEAR:
135         ret = plb->bear;
136         break;
137     case PLB0_BESR:
138         ret = plb->besr;
139         break;
140     default:
141         /* Avoid gcc warning */
142         ret = 0;
143         break;
144     }
145 
146     return ret;
147 }
148 
149 static void dcr_write_plb (void *opaque, int dcrn, uint32_t val)
150 {
151     ppc4xx_plb_t *plb;
152 
153     plb = opaque;
154     switch (dcrn) {
155     case PLB0_ACR:
156         /* We don't care about the actual parameters written as
157          * we don't manage any priorities on the bus
158          */
159         plb->acr = val & 0xF8000000;
160         break;
161     case PLB0_BEAR:
162         /* Read only */
163         break;
164     case PLB0_BESR:
165         /* Write-clear */
166         plb->besr &= ~val;
167         break;
168     }
169 }
170 
171 static void ppc4xx_plb_reset (void *opaque)
172 {
173     ppc4xx_plb_t *plb;
174 
175     plb = opaque;
176     plb->acr = 0x00000000;
177     plb->bear = 0x00000000;
178     plb->besr = 0x00000000;
179 }
180 
181 void ppc4xx_plb_init(CPUPPCState *env)
182 {
183     ppc4xx_plb_t *plb;
184 
185     plb = g_malloc0(sizeof(ppc4xx_plb_t));
186     ppc_dcr_register(env, PLB3A0_ACR, plb, &dcr_read_plb, &dcr_write_plb);
187     ppc_dcr_register(env, PLB4A0_ACR, plb, &dcr_read_plb, &dcr_write_plb);
188     ppc_dcr_register(env, PLB0_ACR, plb, &dcr_read_plb, &dcr_write_plb);
189     ppc_dcr_register(env, PLB0_BEAR, plb, &dcr_read_plb, &dcr_write_plb);
190     ppc_dcr_register(env, PLB0_BESR, plb, &dcr_read_plb, &dcr_write_plb);
191     ppc_dcr_register(env, PLB4A1_ACR, plb, &dcr_read_plb, &dcr_write_plb);
192     qemu_register_reset(ppc4xx_plb_reset, plb);
193 }
194 
195 /*****************************************************************************/
196 /* PLB to OPB bridge */
197 enum {
198     POB0_BESR0 = 0x0A0,
199     POB0_BESR1 = 0x0A2,
200     POB0_BEAR  = 0x0A4,
201 };
202 
203 typedef struct ppc4xx_pob_t ppc4xx_pob_t;
204 struct ppc4xx_pob_t {
205     uint32_t bear;
206     uint32_t besr0;
207     uint32_t besr1;
208 };
209 
210 static uint32_t dcr_read_pob (void *opaque, int dcrn)
211 {
212     ppc4xx_pob_t *pob;
213     uint32_t ret;
214 
215     pob = opaque;
216     switch (dcrn) {
217     case POB0_BEAR:
218         ret = pob->bear;
219         break;
220     case POB0_BESR0:
221         ret = pob->besr0;
222         break;
223     case POB0_BESR1:
224         ret = pob->besr1;
225         break;
226     default:
227         /* Avoid gcc warning */
228         ret = 0;
229         break;
230     }
231 
232     return ret;
233 }
234 
235 static void dcr_write_pob (void *opaque, int dcrn, uint32_t val)
236 {
237     ppc4xx_pob_t *pob;
238 
239     pob = opaque;
240     switch (dcrn) {
241     case POB0_BEAR:
242         /* Read only */
243         break;
244     case POB0_BESR0:
245         /* Write-clear */
246         pob->besr0 &= ~val;
247         break;
248     case POB0_BESR1:
249         /* Write-clear */
250         pob->besr1 &= ~val;
251         break;
252     }
253 }
254 
255 static void ppc4xx_pob_reset (void *opaque)
256 {
257     ppc4xx_pob_t *pob;
258 
259     pob = opaque;
260     /* No error */
261     pob->bear = 0x00000000;
262     pob->besr0 = 0x0000000;
263     pob->besr1 = 0x0000000;
264 }
265 
266 static void ppc4xx_pob_init(CPUPPCState *env)
267 {
268     ppc4xx_pob_t *pob;
269 
270     pob = g_malloc0(sizeof(ppc4xx_pob_t));
271     ppc_dcr_register(env, POB0_BEAR, pob, &dcr_read_pob, &dcr_write_pob);
272     ppc_dcr_register(env, POB0_BESR0, pob, &dcr_read_pob, &dcr_write_pob);
273     ppc_dcr_register(env, POB0_BESR1, pob, &dcr_read_pob, &dcr_write_pob);
274     qemu_register_reset(ppc4xx_pob_reset, pob);
275 }
276 
277 /*****************************************************************************/
278 /* OPB arbitrer */
279 typedef struct ppc4xx_opba_t ppc4xx_opba_t;
280 struct ppc4xx_opba_t {
281     MemoryRegion io;
282     uint8_t cr;
283     uint8_t pr;
284 };
285 
286 static uint64_t opba_readb(void *opaque, hwaddr addr, unsigned size)
287 {
288     ppc4xx_opba_t *opba;
289     uint32_t ret;
290 
291 #ifdef DEBUG_OPBA
292     printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
293 #endif
294     opba = opaque;
295     switch (addr) {
296     case 0x00:
297         ret = opba->cr;
298         break;
299     case 0x01:
300         ret = opba->pr;
301         break;
302     default:
303         ret = 0x00;
304         break;
305     }
306 
307     return ret;
308 }
309 
310 static void opba_writeb(void *opaque, hwaddr addr, uint64_t value,
311                         unsigned size)
312 {
313     ppc4xx_opba_t *opba;
314 
315 #ifdef DEBUG_OPBA
316     printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
317            value);
318 #endif
319     opba = opaque;
320     switch (addr) {
321     case 0x00:
322         opba->cr = value & 0xF8;
323         break;
324     case 0x01:
325         opba->pr = value & 0xFF;
326         break;
327     default:
328         break;
329     }
330 }
331 static const MemoryRegionOps opba_ops = {
332     .read = opba_readb,
333     .write = opba_writeb,
334     .impl.min_access_size = 1,
335     .impl.max_access_size = 1,
336     .valid.min_access_size = 1,
337     .valid.max_access_size = 4,
338     .endianness = DEVICE_BIG_ENDIAN,
339 };
340 
341 static void ppc4xx_opba_reset (void *opaque)
342 {
343     ppc4xx_opba_t *opba;
344 
345     opba = opaque;
346     opba->cr = 0x00; /* No dynamic priorities - park disabled */
347     opba->pr = 0x11;
348 }
349 
350 static void ppc4xx_opba_init(hwaddr base)
351 {
352     ppc4xx_opba_t *opba;
353 
354     opba = g_malloc0(sizeof(ppc4xx_opba_t));
355 #ifdef DEBUG_OPBA
356     printf("%s: offset " TARGET_FMT_plx "\n", __func__, base);
357 #endif
358     memory_region_init_io(&opba->io, NULL, &opba_ops, opba, "opba", 0x002);
359     memory_region_add_subregion(get_system_memory(), base, &opba->io);
360     qemu_register_reset(ppc4xx_opba_reset, opba);
361 }
362 
363 /*****************************************************************************/
364 /* Code decompression controller */
365 /* XXX: TODO */
366 
367 /*****************************************************************************/
368 /* Peripheral controller */
369 typedef struct ppc4xx_ebc_t ppc4xx_ebc_t;
370 struct ppc4xx_ebc_t {
371     uint32_t addr;
372     uint32_t bcr[8];
373     uint32_t bap[8];
374     uint32_t bear;
375     uint32_t besr0;
376     uint32_t besr1;
377     uint32_t cfg;
378 };
379 
380 enum {
381     EBC0_CFGADDR = 0x012,
382     EBC0_CFGDATA = 0x013,
383 };
384 
385 static uint32_t dcr_read_ebc (void *opaque, int dcrn)
386 {
387     ppc4xx_ebc_t *ebc;
388     uint32_t ret;
389 
390     ebc = opaque;
391     switch (dcrn) {
392     case EBC0_CFGADDR:
393         ret = ebc->addr;
394         break;
395     case EBC0_CFGDATA:
396         switch (ebc->addr) {
397         case 0x00: /* B0CR */
398             ret = ebc->bcr[0];
399             break;
400         case 0x01: /* B1CR */
401             ret = ebc->bcr[1];
402             break;
403         case 0x02: /* B2CR */
404             ret = ebc->bcr[2];
405             break;
406         case 0x03: /* B3CR */
407             ret = ebc->bcr[3];
408             break;
409         case 0x04: /* B4CR */
410             ret = ebc->bcr[4];
411             break;
412         case 0x05: /* B5CR */
413             ret = ebc->bcr[5];
414             break;
415         case 0x06: /* B6CR */
416             ret = ebc->bcr[6];
417             break;
418         case 0x07: /* B7CR */
419             ret = ebc->bcr[7];
420             break;
421         case 0x10: /* B0AP */
422             ret = ebc->bap[0];
423             break;
424         case 0x11: /* B1AP */
425             ret = ebc->bap[1];
426             break;
427         case 0x12: /* B2AP */
428             ret = ebc->bap[2];
429             break;
430         case 0x13: /* B3AP */
431             ret = ebc->bap[3];
432             break;
433         case 0x14: /* B4AP */
434             ret = ebc->bap[4];
435             break;
436         case 0x15: /* B5AP */
437             ret = ebc->bap[5];
438             break;
439         case 0x16: /* B6AP */
440             ret = ebc->bap[6];
441             break;
442         case 0x17: /* B7AP */
443             ret = ebc->bap[7];
444             break;
445         case 0x20: /* BEAR */
446             ret = ebc->bear;
447             break;
448         case 0x21: /* BESR0 */
449             ret = ebc->besr0;
450             break;
451         case 0x22: /* BESR1 */
452             ret = ebc->besr1;
453             break;
454         case 0x23: /* CFG */
455             ret = ebc->cfg;
456             break;
457         default:
458             ret = 0x00000000;
459             break;
460         }
461         break;
462     default:
463         ret = 0x00000000;
464         break;
465     }
466 
467     return ret;
468 }
469 
470 static void dcr_write_ebc (void *opaque, int dcrn, uint32_t val)
471 {
472     ppc4xx_ebc_t *ebc;
473 
474     ebc = opaque;
475     switch (dcrn) {
476     case EBC0_CFGADDR:
477         ebc->addr = val;
478         break;
479     case EBC0_CFGDATA:
480         switch (ebc->addr) {
481         case 0x00: /* B0CR */
482             break;
483         case 0x01: /* B1CR */
484             break;
485         case 0x02: /* B2CR */
486             break;
487         case 0x03: /* B3CR */
488             break;
489         case 0x04: /* B4CR */
490             break;
491         case 0x05: /* B5CR */
492             break;
493         case 0x06: /* B6CR */
494             break;
495         case 0x07: /* B7CR */
496             break;
497         case 0x10: /* B0AP */
498             break;
499         case 0x11: /* B1AP */
500             break;
501         case 0x12: /* B2AP */
502             break;
503         case 0x13: /* B3AP */
504             break;
505         case 0x14: /* B4AP */
506             break;
507         case 0x15: /* B5AP */
508             break;
509         case 0x16: /* B6AP */
510             break;
511         case 0x17: /* B7AP */
512             break;
513         case 0x20: /* BEAR */
514             break;
515         case 0x21: /* BESR0 */
516             break;
517         case 0x22: /* BESR1 */
518             break;
519         case 0x23: /* CFG */
520             break;
521         default:
522             break;
523         }
524         break;
525     default:
526         break;
527     }
528 }
529 
530 static void ebc_reset (void *opaque)
531 {
532     ppc4xx_ebc_t *ebc;
533     int i;
534 
535     ebc = opaque;
536     ebc->addr = 0x00000000;
537     ebc->bap[0] = 0x7F8FFE80;
538     ebc->bcr[0] = 0xFFE28000;
539     for (i = 0; i < 8; i++) {
540         ebc->bap[i] = 0x00000000;
541         ebc->bcr[i] = 0x00000000;
542     }
543     ebc->besr0 = 0x00000000;
544     ebc->besr1 = 0x00000000;
545     ebc->cfg = 0x80400000;
546 }
547 
548 void ppc405_ebc_init(CPUPPCState *env)
549 {
550     ppc4xx_ebc_t *ebc;
551 
552     ebc = g_malloc0(sizeof(ppc4xx_ebc_t));
553     qemu_register_reset(&ebc_reset, ebc);
554     ppc_dcr_register(env, EBC0_CFGADDR,
555                      ebc, &dcr_read_ebc, &dcr_write_ebc);
556     ppc_dcr_register(env, EBC0_CFGDATA,
557                      ebc, &dcr_read_ebc, &dcr_write_ebc);
558 }
559 
560 /*****************************************************************************/
561 /* DMA controller */
562 enum {
563     DMA0_CR0 = 0x100,
564     DMA0_CT0 = 0x101,
565     DMA0_DA0 = 0x102,
566     DMA0_SA0 = 0x103,
567     DMA0_SG0 = 0x104,
568     DMA0_CR1 = 0x108,
569     DMA0_CT1 = 0x109,
570     DMA0_DA1 = 0x10A,
571     DMA0_SA1 = 0x10B,
572     DMA0_SG1 = 0x10C,
573     DMA0_CR2 = 0x110,
574     DMA0_CT2 = 0x111,
575     DMA0_DA2 = 0x112,
576     DMA0_SA2 = 0x113,
577     DMA0_SG2 = 0x114,
578     DMA0_CR3 = 0x118,
579     DMA0_CT3 = 0x119,
580     DMA0_DA3 = 0x11A,
581     DMA0_SA3 = 0x11B,
582     DMA0_SG3 = 0x11C,
583     DMA0_SR  = 0x120,
584     DMA0_SGC = 0x123,
585     DMA0_SLP = 0x125,
586     DMA0_POL = 0x126,
587 };
588 
589 typedef struct ppc405_dma_t ppc405_dma_t;
590 struct ppc405_dma_t {
591     qemu_irq irqs[4];
592     uint32_t cr[4];
593     uint32_t ct[4];
594     uint32_t da[4];
595     uint32_t sa[4];
596     uint32_t sg[4];
597     uint32_t sr;
598     uint32_t sgc;
599     uint32_t slp;
600     uint32_t pol;
601 };
602 
603 static uint32_t dcr_read_dma (void *opaque, int dcrn)
604 {
605     return 0;
606 }
607 
608 static void dcr_write_dma (void *opaque, int dcrn, uint32_t val)
609 {
610 }
611 
612 static void ppc405_dma_reset (void *opaque)
613 {
614     ppc405_dma_t *dma;
615     int i;
616 
617     dma = opaque;
618     for (i = 0; i < 4; i++) {
619         dma->cr[i] = 0x00000000;
620         dma->ct[i] = 0x00000000;
621         dma->da[i] = 0x00000000;
622         dma->sa[i] = 0x00000000;
623         dma->sg[i] = 0x00000000;
624     }
625     dma->sr = 0x00000000;
626     dma->sgc = 0x00000000;
627     dma->slp = 0x7C000000;
628     dma->pol = 0x00000000;
629 }
630 
631 static void ppc405_dma_init(CPUPPCState *env, qemu_irq irqs[4])
632 {
633     ppc405_dma_t *dma;
634 
635     dma = g_malloc0(sizeof(ppc405_dma_t));
636     memcpy(dma->irqs, irqs, 4 * sizeof(qemu_irq));
637     qemu_register_reset(&ppc405_dma_reset, dma);
638     ppc_dcr_register(env, DMA0_CR0,
639                      dma, &dcr_read_dma, &dcr_write_dma);
640     ppc_dcr_register(env, DMA0_CT0,
641                      dma, &dcr_read_dma, &dcr_write_dma);
642     ppc_dcr_register(env, DMA0_DA0,
643                      dma, &dcr_read_dma, &dcr_write_dma);
644     ppc_dcr_register(env, DMA0_SA0,
645                      dma, &dcr_read_dma, &dcr_write_dma);
646     ppc_dcr_register(env, DMA0_SG0,
647                      dma, &dcr_read_dma, &dcr_write_dma);
648     ppc_dcr_register(env, DMA0_CR1,
649                      dma, &dcr_read_dma, &dcr_write_dma);
650     ppc_dcr_register(env, DMA0_CT1,
651                      dma, &dcr_read_dma, &dcr_write_dma);
652     ppc_dcr_register(env, DMA0_DA1,
653                      dma, &dcr_read_dma, &dcr_write_dma);
654     ppc_dcr_register(env, DMA0_SA1,
655                      dma, &dcr_read_dma, &dcr_write_dma);
656     ppc_dcr_register(env, DMA0_SG1,
657                      dma, &dcr_read_dma, &dcr_write_dma);
658     ppc_dcr_register(env, DMA0_CR2,
659                      dma, &dcr_read_dma, &dcr_write_dma);
660     ppc_dcr_register(env, DMA0_CT2,
661                      dma, &dcr_read_dma, &dcr_write_dma);
662     ppc_dcr_register(env, DMA0_DA2,
663                      dma, &dcr_read_dma, &dcr_write_dma);
664     ppc_dcr_register(env, DMA0_SA2,
665                      dma, &dcr_read_dma, &dcr_write_dma);
666     ppc_dcr_register(env, DMA0_SG2,
667                      dma, &dcr_read_dma, &dcr_write_dma);
668     ppc_dcr_register(env, DMA0_CR3,
669                      dma, &dcr_read_dma, &dcr_write_dma);
670     ppc_dcr_register(env, DMA0_CT3,
671                      dma, &dcr_read_dma, &dcr_write_dma);
672     ppc_dcr_register(env, DMA0_DA3,
673                      dma, &dcr_read_dma, &dcr_write_dma);
674     ppc_dcr_register(env, DMA0_SA3,
675                      dma, &dcr_read_dma, &dcr_write_dma);
676     ppc_dcr_register(env, DMA0_SG3,
677                      dma, &dcr_read_dma, &dcr_write_dma);
678     ppc_dcr_register(env, DMA0_SR,
679                      dma, &dcr_read_dma, &dcr_write_dma);
680     ppc_dcr_register(env, DMA0_SGC,
681                      dma, &dcr_read_dma, &dcr_write_dma);
682     ppc_dcr_register(env, DMA0_SLP,
683                      dma, &dcr_read_dma, &dcr_write_dma);
684     ppc_dcr_register(env, DMA0_POL,
685                      dma, &dcr_read_dma, &dcr_write_dma);
686 }
687 
688 /*****************************************************************************/
689 /* GPIO */
690 typedef struct ppc405_gpio_t ppc405_gpio_t;
691 struct ppc405_gpio_t {
692     MemoryRegion io;
693     uint32_t or;
694     uint32_t tcr;
695     uint32_t osrh;
696     uint32_t osrl;
697     uint32_t tsrh;
698     uint32_t tsrl;
699     uint32_t odr;
700     uint32_t ir;
701     uint32_t rr1;
702     uint32_t isr1h;
703     uint32_t isr1l;
704 };
705 
706 static uint64_t ppc405_gpio_read(void *opaque, hwaddr addr, unsigned size)
707 {
708 #ifdef DEBUG_GPIO
709     printf("%s: addr " TARGET_FMT_plx " size %d\n", __func__, addr, size);
710 #endif
711 
712     return 0;
713 }
714 
715 static void ppc405_gpio_write(void *opaque, hwaddr addr, uint64_t value,
716                               unsigned size)
717 {
718 #ifdef DEBUG_GPIO
719     printf("%s: addr " TARGET_FMT_plx " size %d val %08" PRIx32 "\n",
720            __func__, addr, size, value);
721 #endif
722 }
723 
724 static const MemoryRegionOps ppc405_gpio_ops = {
725     .read = ppc405_gpio_read,
726     .write = ppc405_gpio_write,
727     .endianness = DEVICE_NATIVE_ENDIAN,
728 };
729 
730 static void ppc405_gpio_reset (void *opaque)
731 {
732 }
733 
734 static void ppc405_gpio_init(hwaddr base)
735 {
736     ppc405_gpio_t *gpio;
737 
738     gpio = g_malloc0(sizeof(ppc405_gpio_t));
739 #ifdef DEBUG_GPIO
740     printf("%s: offset " TARGET_FMT_plx "\n", __func__, base);
741 #endif
742     memory_region_init_io(&gpio->io, NULL, &ppc405_gpio_ops, gpio, "pgio", 0x038);
743     memory_region_add_subregion(get_system_memory(), base, &gpio->io);
744     qemu_register_reset(&ppc405_gpio_reset, gpio);
745 }
746 
747 /*****************************************************************************/
748 /* On Chip Memory */
749 enum {
750     OCM0_ISARC   = 0x018,
751     OCM0_ISACNTL = 0x019,
752     OCM0_DSARC   = 0x01A,
753     OCM0_DSACNTL = 0x01B,
754 };
755 
756 typedef struct ppc405_ocm_t ppc405_ocm_t;
757 struct ppc405_ocm_t {
758     MemoryRegion ram;
759     MemoryRegion isarc_ram;
760     MemoryRegion dsarc_ram;
761     uint32_t isarc;
762     uint32_t isacntl;
763     uint32_t dsarc;
764     uint32_t dsacntl;
765 };
766 
767 static void ocm_update_mappings (ppc405_ocm_t *ocm,
768                                  uint32_t isarc, uint32_t isacntl,
769                                  uint32_t dsarc, uint32_t dsacntl)
770 {
771 #ifdef DEBUG_OCM
772     printf("OCM update ISA %08" PRIx32 " %08" PRIx32 " (%08" PRIx32
773            " %08" PRIx32 ") DSA %08" PRIx32 " %08" PRIx32
774            " (%08" PRIx32 " %08" PRIx32 ")\n",
775            isarc, isacntl, dsarc, dsacntl,
776            ocm->isarc, ocm->isacntl, ocm->dsarc, ocm->dsacntl);
777 #endif
778     if (ocm->isarc != isarc ||
779         (ocm->isacntl & 0x80000000) != (isacntl & 0x80000000)) {
780         if (ocm->isacntl & 0x80000000) {
781             /* Unmap previously assigned memory region */
782             printf("OCM unmap ISA %08" PRIx32 "\n", ocm->isarc);
783             memory_region_del_subregion(get_system_memory(), &ocm->isarc_ram);
784         }
785         if (isacntl & 0x80000000) {
786             /* Map new instruction memory region */
787 #ifdef DEBUG_OCM
788             printf("OCM map ISA %08" PRIx32 "\n", isarc);
789 #endif
790             memory_region_add_subregion(get_system_memory(), isarc,
791                                         &ocm->isarc_ram);
792         }
793     }
794     if (ocm->dsarc != dsarc ||
795         (ocm->dsacntl & 0x80000000) != (dsacntl & 0x80000000)) {
796         if (ocm->dsacntl & 0x80000000) {
797             /* Beware not to unmap the region we just mapped */
798             if (!(isacntl & 0x80000000) || ocm->dsarc != isarc) {
799                 /* Unmap previously assigned memory region */
800 #ifdef DEBUG_OCM
801                 printf("OCM unmap DSA %08" PRIx32 "\n", ocm->dsarc);
802 #endif
803                 memory_region_del_subregion(get_system_memory(),
804                                             &ocm->dsarc_ram);
805             }
806         }
807         if (dsacntl & 0x80000000) {
808             /* Beware not to remap the region we just mapped */
809             if (!(isacntl & 0x80000000) || dsarc != isarc) {
810                 /* Map new data memory region */
811 #ifdef DEBUG_OCM
812                 printf("OCM map DSA %08" PRIx32 "\n", dsarc);
813 #endif
814                 memory_region_add_subregion(get_system_memory(), dsarc,
815                                             &ocm->dsarc_ram);
816             }
817         }
818     }
819 }
820 
821 static uint32_t dcr_read_ocm (void *opaque, int dcrn)
822 {
823     ppc405_ocm_t *ocm;
824     uint32_t ret;
825 
826     ocm = opaque;
827     switch (dcrn) {
828     case OCM0_ISARC:
829         ret = ocm->isarc;
830         break;
831     case OCM0_ISACNTL:
832         ret = ocm->isacntl;
833         break;
834     case OCM0_DSARC:
835         ret = ocm->dsarc;
836         break;
837     case OCM0_DSACNTL:
838         ret = ocm->dsacntl;
839         break;
840     default:
841         ret = 0;
842         break;
843     }
844 
845     return ret;
846 }
847 
848 static void dcr_write_ocm (void *opaque, int dcrn, uint32_t val)
849 {
850     ppc405_ocm_t *ocm;
851     uint32_t isarc, dsarc, isacntl, dsacntl;
852 
853     ocm = opaque;
854     isarc = ocm->isarc;
855     dsarc = ocm->dsarc;
856     isacntl = ocm->isacntl;
857     dsacntl = ocm->dsacntl;
858     switch (dcrn) {
859     case OCM0_ISARC:
860         isarc = val & 0xFC000000;
861         break;
862     case OCM0_ISACNTL:
863         isacntl = val & 0xC0000000;
864         break;
865     case OCM0_DSARC:
866         isarc = val & 0xFC000000;
867         break;
868     case OCM0_DSACNTL:
869         isacntl = val & 0xC0000000;
870         break;
871     }
872     ocm_update_mappings(ocm, isarc, isacntl, dsarc, dsacntl);
873     ocm->isarc = isarc;
874     ocm->dsarc = dsarc;
875     ocm->isacntl = isacntl;
876     ocm->dsacntl = dsacntl;
877 }
878 
879 static void ocm_reset (void *opaque)
880 {
881     ppc405_ocm_t *ocm;
882     uint32_t isarc, dsarc, isacntl, dsacntl;
883 
884     ocm = opaque;
885     isarc = 0x00000000;
886     isacntl = 0x00000000;
887     dsarc = 0x00000000;
888     dsacntl = 0x00000000;
889     ocm_update_mappings(ocm, isarc, isacntl, dsarc, dsacntl);
890     ocm->isarc = isarc;
891     ocm->dsarc = dsarc;
892     ocm->isacntl = isacntl;
893     ocm->dsacntl = dsacntl;
894 }
895 
896 static void ppc405_ocm_init(CPUPPCState *env)
897 {
898     ppc405_ocm_t *ocm;
899 
900     ocm = g_malloc0(sizeof(ppc405_ocm_t));
901     /* XXX: Size is 4096 or 0x04000000 */
902     memory_region_init_ram(&ocm->isarc_ram, NULL, "ppc405.ocm", 4 * KiB,
903                            &error_fatal);
904     memory_region_init_alias(&ocm->dsarc_ram, NULL, "ppc405.dsarc",
905                              &ocm->isarc_ram, 0, 4 * KiB);
906     qemu_register_reset(&ocm_reset, ocm);
907     ppc_dcr_register(env, OCM0_ISARC,
908                      ocm, &dcr_read_ocm, &dcr_write_ocm);
909     ppc_dcr_register(env, OCM0_ISACNTL,
910                      ocm, &dcr_read_ocm, &dcr_write_ocm);
911     ppc_dcr_register(env, OCM0_DSARC,
912                      ocm, &dcr_read_ocm, &dcr_write_ocm);
913     ppc_dcr_register(env, OCM0_DSACNTL,
914                      ocm, &dcr_read_ocm, &dcr_write_ocm);
915 }
916 
917 /*****************************************************************************/
918 /* General purpose timers */
919 typedef struct ppc4xx_gpt_t ppc4xx_gpt_t;
920 struct ppc4xx_gpt_t {
921     MemoryRegion iomem;
922     int64_t tb_offset;
923     uint32_t tb_freq;
924     QEMUTimer *timer;
925     qemu_irq irqs[5];
926     uint32_t oe;
927     uint32_t ol;
928     uint32_t im;
929     uint32_t is;
930     uint32_t ie;
931     uint32_t comp[5];
932     uint32_t mask[5];
933 };
934 
935 static int ppc4xx_gpt_compare (ppc4xx_gpt_t *gpt, int n)
936 {
937     /* XXX: TODO */
938     return 0;
939 }
940 
941 static void ppc4xx_gpt_set_output (ppc4xx_gpt_t *gpt, int n, int level)
942 {
943     /* XXX: TODO */
944 }
945 
946 static void ppc4xx_gpt_set_outputs (ppc4xx_gpt_t *gpt)
947 {
948     uint32_t mask;
949     int i;
950 
951     mask = 0x80000000;
952     for (i = 0; i < 5; i++) {
953         if (gpt->oe & mask) {
954             /* Output is enabled */
955             if (ppc4xx_gpt_compare(gpt, i)) {
956                 /* Comparison is OK */
957                 ppc4xx_gpt_set_output(gpt, i, gpt->ol & mask);
958             } else {
959                 /* Comparison is KO */
960                 ppc4xx_gpt_set_output(gpt, i, gpt->ol & mask ? 0 : 1);
961             }
962         }
963         mask = mask >> 1;
964     }
965 }
966 
967 static void ppc4xx_gpt_set_irqs (ppc4xx_gpt_t *gpt)
968 {
969     uint32_t mask;
970     int i;
971 
972     mask = 0x00008000;
973     for (i = 0; i < 5; i++) {
974         if (gpt->is & gpt->im & mask)
975             qemu_irq_raise(gpt->irqs[i]);
976         else
977             qemu_irq_lower(gpt->irqs[i]);
978         mask = mask >> 1;
979     }
980 }
981 
982 static void ppc4xx_gpt_compute_timer (ppc4xx_gpt_t *gpt)
983 {
984     /* XXX: TODO */
985 }
986 
987 static uint64_t ppc4xx_gpt_read(void *opaque, hwaddr addr, unsigned size)
988 {
989     ppc4xx_gpt_t *gpt;
990     uint32_t ret;
991     int idx;
992 
993 #ifdef DEBUG_GPT
994     printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
995 #endif
996     gpt = opaque;
997     switch (addr) {
998     case 0x00:
999         /* Time base counter */
1000         ret = muldiv64(qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + gpt->tb_offset,
1001                        gpt->tb_freq, NANOSECONDS_PER_SECOND);
1002         break;
1003     case 0x10:
1004         /* Output enable */
1005         ret = gpt->oe;
1006         break;
1007     case 0x14:
1008         /* Output level */
1009         ret = gpt->ol;
1010         break;
1011     case 0x18:
1012         /* Interrupt mask */
1013         ret = gpt->im;
1014         break;
1015     case 0x1C:
1016     case 0x20:
1017         /* Interrupt status */
1018         ret = gpt->is;
1019         break;
1020     case 0x24:
1021         /* Interrupt enable */
1022         ret = gpt->ie;
1023         break;
1024     case 0x80 ... 0x90:
1025         /* Compare timer */
1026         idx = (addr - 0x80) >> 2;
1027         ret = gpt->comp[idx];
1028         break;
1029     case 0xC0 ... 0xD0:
1030         /* Compare mask */
1031         idx = (addr - 0xC0) >> 2;
1032         ret = gpt->mask[idx];
1033         break;
1034     default:
1035         ret = -1;
1036         break;
1037     }
1038 
1039     return ret;
1040 }
1041 
1042 static void ppc4xx_gpt_write(void *opaque, hwaddr addr, uint64_t value,
1043                              unsigned size)
1044 {
1045     ppc4xx_gpt_t *gpt;
1046     int idx;
1047 
1048 #ifdef DEBUG_I2C
1049     printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
1050            value);
1051 #endif
1052     gpt = opaque;
1053     switch (addr) {
1054     case 0x00:
1055         /* Time base counter */
1056         gpt->tb_offset = muldiv64(value, NANOSECONDS_PER_SECOND, gpt->tb_freq)
1057             - qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
1058         ppc4xx_gpt_compute_timer(gpt);
1059         break;
1060     case 0x10:
1061         /* Output enable */
1062         gpt->oe = value & 0xF8000000;
1063         ppc4xx_gpt_set_outputs(gpt);
1064         break;
1065     case 0x14:
1066         /* Output level */
1067         gpt->ol = value & 0xF8000000;
1068         ppc4xx_gpt_set_outputs(gpt);
1069         break;
1070     case 0x18:
1071         /* Interrupt mask */
1072         gpt->im = value & 0x0000F800;
1073         break;
1074     case 0x1C:
1075         /* Interrupt status set */
1076         gpt->is |= value & 0x0000F800;
1077         ppc4xx_gpt_set_irqs(gpt);
1078         break;
1079     case 0x20:
1080         /* Interrupt status clear */
1081         gpt->is &= ~(value & 0x0000F800);
1082         ppc4xx_gpt_set_irqs(gpt);
1083         break;
1084     case 0x24:
1085         /* Interrupt enable */
1086         gpt->ie = value & 0x0000F800;
1087         ppc4xx_gpt_set_irqs(gpt);
1088         break;
1089     case 0x80 ... 0x90:
1090         /* Compare timer */
1091         idx = (addr - 0x80) >> 2;
1092         gpt->comp[idx] = value & 0xF8000000;
1093         ppc4xx_gpt_compute_timer(gpt);
1094         break;
1095     case 0xC0 ... 0xD0:
1096         /* Compare mask */
1097         idx = (addr - 0xC0) >> 2;
1098         gpt->mask[idx] = value & 0xF8000000;
1099         ppc4xx_gpt_compute_timer(gpt);
1100         break;
1101     }
1102 }
1103 
1104 static const MemoryRegionOps gpt_ops = {
1105     .read = ppc4xx_gpt_read,
1106     .write = ppc4xx_gpt_write,
1107     .valid.min_access_size = 4,
1108     .valid.max_access_size = 4,
1109     .endianness = DEVICE_NATIVE_ENDIAN,
1110 };
1111 
1112 static void ppc4xx_gpt_cb (void *opaque)
1113 {
1114     ppc4xx_gpt_t *gpt;
1115 
1116     gpt = opaque;
1117     ppc4xx_gpt_set_irqs(gpt);
1118     ppc4xx_gpt_set_outputs(gpt);
1119     ppc4xx_gpt_compute_timer(gpt);
1120 }
1121 
1122 static void ppc4xx_gpt_reset (void *opaque)
1123 {
1124     ppc4xx_gpt_t *gpt;
1125     int i;
1126 
1127     gpt = opaque;
1128     timer_del(gpt->timer);
1129     gpt->oe = 0x00000000;
1130     gpt->ol = 0x00000000;
1131     gpt->im = 0x00000000;
1132     gpt->is = 0x00000000;
1133     gpt->ie = 0x00000000;
1134     for (i = 0; i < 5; i++) {
1135         gpt->comp[i] = 0x00000000;
1136         gpt->mask[i] = 0x00000000;
1137     }
1138 }
1139 
1140 static void ppc4xx_gpt_init(hwaddr base, qemu_irq irqs[5])
1141 {
1142     ppc4xx_gpt_t *gpt;
1143     int i;
1144 
1145     gpt = g_malloc0(sizeof(ppc4xx_gpt_t));
1146     for (i = 0; i < 5; i++) {
1147         gpt->irqs[i] = irqs[i];
1148     }
1149     gpt->timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, &ppc4xx_gpt_cb, gpt);
1150 #ifdef DEBUG_GPT
1151     printf("%s: offset " TARGET_FMT_plx "\n", __func__, base);
1152 #endif
1153     memory_region_init_io(&gpt->iomem, NULL, &gpt_ops, gpt, "gpt", 0x0d4);
1154     memory_region_add_subregion(get_system_memory(), base, &gpt->iomem);
1155     qemu_register_reset(ppc4xx_gpt_reset, gpt);
1156 }
1157 
1158 /*****************************************************************************/
1159 /* PowerPC 405CR */
1160 enum {
1161     PPC405CR_CPC0_PLLMR  = 0x0B0,
1162     PPC405CR_CPC0_CR0    = 0x0B1,
1163     PPC405CR_CPC0_CR1    = 0x0B2,
1164     PPC405CR_CPC0_PSR    = 0x0B4,
1165     PPC405CR_CPC0_JTAGID = 0x0B5,
1166     PPC405CR_CPC0_ER     = 0x0B9,
1167     PPC405CR_CPC0_FR     = 0x0BA,
1168     PPC405CR_CPC0_SR     = 0x0BB,
1169 };
1170 
1171 enum {
1172     PPC405CR_CPU_CLK   = 0,
1173     PPC405CR_TMR_CLK   = 1,
1174     PPC405CR_PLB_CLK   = 2,
1175     PPC405CR_SDRAM_CLK = 3,
1176     PPC405CR_OPB_CLK   = 4,
1177     PPC405CR_EXT_CLK   = 5,
1178     PPC405CR_UART_CLK  = 6,
1179     PPC405CR_CLK_NB    = 7,
1180 };
1181 
1182 typedef struct ppc405cr_cpc_t ppc405cr_cpc_t;
1183 struct ppc405cr_cpc_t {
1184     clk_setup_t clk_setup[PPC405CR_CLK_NB];
1185     uint32_t sysclk;
1186     uint32_t psr;
1187     uint32_t cr0;
1188     uint32_t cr1;
1189     uint32_t jtagid;
1190     uint32_t pllmr;
1191     uint32_t er;
1192     uint32_t fr;
1193 };
1194 
1195 static void ppc405cr_clk_setup (ppc405cr_cpc_t *cpc)
1196 {
1197     uint64_t VCO_out, PLL_out;
1198     uint32_t CPU_clk, TMR_clk, SDRAM_clk, PLB_clk, OPB_clk, EXT_clk, UART_clk;
1199     int M, D0, D1, D2;
1200 
1201     D0 = ((cpc->pllmr >> 26) & 0x3) + 1; /* CBDV */
1202     if (cpc->pllmr & 0x80000000) {
1203         D1 = (((cpc->pllmr >> 20) - 1) & 0xF) + 1; /* FBDV */
1204         D2 = 8 - ((cpc->pllmr >> 16) & 0x7); /* FWDVA */
1205         M = D0 * D1 * D2;
1206         VCO_out = (uint64_t)cpc->sysclk * M;
1207         if (VCO_out < 400000000 || VCO_out > 800000000) {
1208             /* PLL cannot lock */
1209             cpc->pllmr &= ~0x80000000;
1210             goto bypass_pll;
1211         }
1212         PLL_out = VCO_out / D2;
1213     } else {
1214         /* Bypass PLL */
1215     bypass_pll:
1216         M = D0;
1217         PLL_out = (uint64_t)cpc->sysclk * M;
1218     }
1219     CPU_clk = PLL_out;
1220     if (cpc->cr1 & 0x00800000)
1221         TMR_clk = cpc->sysclk; /* Should have a separate clock */
1222     else
1223         TMR_clk = CPU_clk;
1224     PLB_clk = CPU_clk / D0;
1225     SDRAM_clk = PLB_clk;
1226     D0 = ((cpc->pllmr >> 10) & 0x3) + 1;
1227     OPB_clk = PLB_clk / D0;
1228     D0 = ((cpc->pllmr >> 24) & 0x3) + 2;
1229     EXT_clk = PLB_clk / D0;
1230     D0 = ((cpc->cr0 >> 1) & 0x1F) + 1;
1231     UART_clk = CPU_clk / D0;
1232     /* Setup CPU clocks */
1233     clk_setup(&cpc->clk_setup[PPC405CR_CPU_CLK], CPU_clk);
1234     /* Setup time-base clock */
1235     clk_setup(&cpc->clk_setup[PPC405CR_TMR_CLK], TMR_clk);
1236     /* Setup PLB clock */
1237     clk_setup(&cpc->clk_setup[PPC405CR_PLB_CLK], PLB_clk);
1238     /* Setup SDRAM clock */
1239     clk_setup(&cpc->clk_setup[PPC405CR_SDRAM_CLK], SDRAM_clk);
1240     /* Setup OPB clock */
1241     clk_setup(&cpc->clk_setup[PPC405CR_OPB_CLK], OPB_clk);
1242     /* Setup external clock */
1243     clk_setup(&cpc->clk_setup[PPC405CR_EXT_CLK], EXT_clk);
1244     /* Setup UART clock */
1245     clk_setup(&cpc->clk_setup[PPC405CR_UART_CLK], UART_clk);
1246 }
1247 
1248 static uint32_t dcr_read_crcpc (void *opaque, int dcrn)
1249 {
1250     ppc405cr_cpc_t *cpc;
1251     uint32_t ret;
1252 
1253     cpc = opaque;
1254     switch (dcrn) {
1255     case PPC405CR_CPC0_PLLMR:
1256         ret = cpc->pllmr;
1257         break;
1258     case PPC405CR_CPC0_CR0:
1259         ret = cpc->cr0;
1260         break;
1261     case PPC405CR_CPC0_CR1:
1262         ret = cpc->cr1;
1263         break;
1264     case PPC405CR_CPC0_PSR:
1265         ret = cpc->psr;
1266         break;
1267     case PPC405CR_CPC0_JTAGID:
1268         ret = cpc->jtagid;
1269         break;
1270     case PPC405CR_CPC0_ER:
1271         ret = cpc->er;
1272         break;
1273     case PPC405CR_CPC0_FR:
1274         ret = cpc->fr;
1275         break;
1276     case PPC405CR_CPC0_SR:
1277         ret = ~(cpc->er | cpc->fr) & 0xFFFF0000;
1278         break;
1279     default:
1280         /* Avoid gcc warning */
1281         ret = 0;
1282         break;
1283     }
1284 
1285     return ret;
1286 }
1287 
1288 static void dcr_write_crcpc (void *opaque, int dcrn, uint32_t val)
1289 {
1290     ppc405cr_cpc_t *cpc;
1291 
1292     cpc = opaque;
1293     switch (dcrn) {
1294     case PPC405CR_CPC0_PLLMR:
1295         cpc->pllmr = val & 0xFFF77C3F;
1296         break;
1297     case PPC405CR_CPC0_CR0:
1298         cpc->cr0 = val & 0x0FFFFFFE;
1299         break;
1300     case PPC405CR_CPC0_CR1:
1301         cpc->cr1 = val & 0x00800000;
1302         break;
1303     case PPC405CR_CPC0_PSR:
1304         /* Read-only */
1305         break;
1306     case PPC405CR_CPC0_JTAGID:
1307         /* Read-only */
1308         break;
1309     case PPC405CR_CPC0_ER:
1310         cpc->er = val & 0xBFFC0000;
1311         break;
1312     case PPC405CR_CPC0_FR:
1313         cpc->fr = val & 0xBFFC0000;
1314         break;
1315     case PPC405CR_CPC0_SR:
1316         /* Read-only */
1317         break;
1318     }
1319 }
1320 
1321 static void ppc405cr_cpc_reset (void *opaque)
1322 {
1323     ppc405cr_cpc_t *cpc;
1324     int D;
1325 
1326     cpc = opaque;
1327     /* Compute PLLMR value from PSR settings */
1328     cpc->pllmr = 0x80000000;
1329     /* PFWD */
1330     switch ((cpc->psr >> 30) & 3) {
1331     case 0:
1332         /* Bypass */
1333         cpc->pllmr &= ~0x80000000;
1334         break;
1335     case 1:
1336         /* Divide by 3 */
1337         cpc->pllmr |= 5 << 16;
1338         break;
1339     case 2:
1340         /* Divide by 4 */
1341         cpc->pllmr |= 4 << 16;
1342         break;
1343     case 3:
1344         /* Divide by 6 */
1345         cpc->pllmr |= 2 << 16;
1346         break;
1347     }
1348     /* PFBD */
1349     D = (cpc->psr >> 28) & 3;
1350     cpc->pllmr |= (D + 1) << 20;
1351     /* PT   */
1352     D = (cpc->psr >> 25) & 7;
1353     switch (D) {
1354     case 0x2:
1355         cpc->pllmr |= 0x13;
1356         break;
1357     case 0x4:
1358         cpc->pllmr |= 0x15;
1359         break;
1360     case 0x5:
1361         cpc->pllmr |= 0x16;
1362         break;
1363     default:
1364         break;
1365     }
1366     /* PDC  */
1367     D = (cpc->psr >> 23) & 3;
1368     cpc->pllmr |= D << 26;
1369     /* ODP  */
1370     D = (cpc->psr >> 21) & 3;
1371     cpc->pllmr |= D << 10;
1372     /* EBPD */
1373     D = (cpc->psr >> 17) & 3;
1374     cpc->pllmr |= D << 24;
1375     cpc->cr0 = 0x0000003C;
1376     cpc->cr1 = 0x2B0D8800;
1377     cpc->er = 0x00000000;
1378     cpc->fr = 0x00000000;
1379     ppc405cr_clk_setup(cpc);
1380 }
1381 
1382 static void ppc405cr_clk_init (ppc405cr_cpc_t *cpc)
1383 {
1384     int D;
1385 
1386     /* XXX: this should be read from IO pins */
1387     cpc->psr = 0x00000000; /* 8 bits ROM */
1388     /* PFWD */
1389     D = 0x2; /* Divide by 4 */
1390     cpc->psr |= D << 30;
1391     /* PFBD */
1392     D = 0x1; /* Divide by 2 */
1393     cpc->psr |= D << 28;
1394     /* PDC */
1395     D = 0x1; /* Divide by 2 */
1396     cpc->psr |= D << 23;
1397     /* PT */
1398     D = 0x5; /* M = 16 */
1399     cpc->psr |= D << 25;
1400     /* ODP */
1401     D = 0x1; /* Divide by 2 */
1402     cpc->psr |= D << 21;
1403     /* EBDP */
1404     D = 0x2; /* Divide by 4 */
1405     cpc->psr |= D << 17;
1406 }
1407 
1408 static void ppc405cr_cpc_init (CPUPPCState *env, clk_setup_t clk_setup[7],
1409                                uint32_t sysclk)
1410 {
1411     ppc405cr_cpc_t *cpc;
1412 
1413     cpc = g_malloc0(sizeof(ppc405cr_cpc_t));
1414     memcpy(cpc->clk_setup, clk_setup,
1415            PPC405CR_CLK_NB * sizeof(clk_setup_t));
1416     cpc->sysclk = sysclk;
1417     cpc->jtagid = 0x42051049;
1418     ppc_dcr_register(env, PPC405CR_CPC0_PSR, cpc,
1419                      &dcr_read_crcpc, &dcr_write_crcpc);
1420     ppc_dcr_register(env, PPC405CR_CPC0_CR0, cpc,
1421                      &dcr_read_crcpc, &dcr_write_crcpc);
1422     ppc_dcr_register(env, PPC405CR_CPC0_CR1, cpc,
1423                      &dcr_read_crcpc, &dcr_write_crcpc);
1424     ppc_dcr_register(env, PPC405CR_CPC0_JTAGID, cpc,
1425                      &dcr_read_crcpc, &dcr_write_crcpc);
1426     ppc_dcr_register(env, PPC405CR_CPC0_PLLMR, cpc,
1427                      &dcr_read_crcpc, &dcr_write_crcpc);
1428     ppc_dcr_register(env, PPC405CR_CPC0_ER, cpc,
1429                      &dcr_read_crcpc, &dcr_write_crcpc);
1430     ppc_dcr_register(env, PPC405CR_CPC0_FR, cpc,
1431                      &dcr_read_crcpc, &dcr_write_crcpc);
1432     ppc_dcr_register(env, PPC405CR_CPC0_SR, cpc,
1433                      &dcr_read_crcpc, &dcr_write_crcpc);
1434     ppc405cr_clk_init(cpc);
1435     qemu_register_reset(ppc405cr_cpc_reset, cpc);
1436 }
1437 
1438 CPUPPCState *ppc405cr_init(MemoryRegion *address_space_mem,
1439                         MemoryRegion ram_memories[4],
1440                         hwaddr ram_bases[4],
1441                         hwaddr ram_sizes[4],
1442                         uint32_t sysclk, qemu_irq **picp,
1443                         int do_init)
1444 {
1445     clk_setup_t clk_setup[PPC405CR_CLK_NB];
1446     qemu_irq dma_irqs[4];
1447     PowerPCCPU *cpu;
1448     CPUPPCState *env;
1449     qemu_irq *pic, *irqs;
1450 
1451     memset(clk_setup, 0, sizeof(clk_setup));
1452     cpu = ppc4xx_init(POWERPC_CPU_TYPE_NAME("405crc"),
1453                       &clk_setup[PPC405CR_CPU_CLK],
1454                       &clk_setup[PPC405CR_TMR_CLK], sysclk);
1455     env = &cpu->env;
1456     /* Memory mapped devices registers */
1457     /* PLB arbitrer */
1458     ppc4xx_plb_init(env);
1459     /* PLB to OPB bridge */
1460     ppc4xx_pob_init(env);
1461     /* OBP arbitrer */
1462     ppc4xx_opba_init(0xef600600);
1463     /* Universal interrupt controller */
1464     irqs = g_new0(qemu_irq, PPCUIC_OUTPUT_NB);
1465     irqs[PPCUIC_OUTPUT_INT] =
1466         ((qemu_irq *)env->irq_inputs)[PPC40x_INPUT_INT];
1467     irqs[PPCUIC_OUTPUT_CINT] =
1468         ((qemu_irq *)env->irq_inputs)[PPC40x_INPUT_CINT];
1469     pic = ppcuic_init(env, irqs, 0x0C0, 0, 1);
1470     *picp = pic;
1471     /* SDRAM controller */
1472     ppc4xx_sdram_init(env, pic[14], 1, ram_memories,
1473                       ram_bases, ram_sizes, do_init);
1474     /* External bus controller */
1475     ppc405_ebc_init(env);
1476     /* DMA controller */
1477     dma_irqs[0] = pic[26];
1478     dma_irqs[1] = pic[25];
1479     dma_irqs[2] = pic[24];
1480     dma_irqs[3] = pic[23];
1481     ppc405_dma_init(env, dma_irqs);
1482     /* Serial ports */
1483     if (serial_hd(0) != NULL) {
1484         serial_mm_init(address_space_mem, 0xef600300, 0, pic[0],
1485                        PPC_SERIAL_MM_BAUDBASE, serial_hd(0),
1486                        DEVICE_BIG_ENDIAN);
1487     }
1488     if (serial_hd(1) != NULL) {
1489         serial_mm_init(address_space_mem, 0xef600400, 0, pic[1],
1490                        PPC_SERIAL_MM_BAUDBASE, serial_hd(1),
1491                        DEVICE_BIG_ENDIAN);
1492     }
1493     /* IIC controller */
1494     sysbus_create_simple(TYPE_PPC4xx_I2C, 0xef600500, pic[2]);
1495     /* GPIO */
1496     ppc405_gpio_init(0xef600700);
1497     /* CPU control */
1498     ppc405cr_cpc_init(env, clk_setup, sysclk);
1499 
1500     return env;
1501 }
1502 
1503 /*****************************************************************************/
1504 /* PowerPC 405EP */
1505 /* CPU control */
1506 enum {
1507     PPC405EP_CPC0_PLLMR0 = 0x0F0,
1508     PPC405EP_CPC0_BOOT   = 0x0F1,
1509     PPC405EP_CPC0_EPCTL  = 0x0F3,
1510     PPC405EP_CPC0_PLLMR1 = 0x0F4,
1511     PPC405EP_CPC0_UCR    = 0x0F5,
1512     PPC405EP_CPC0_SRR    = 0x0F6,
1513     PPC405EP_CPC0_JTAGID = 0x0F7,
1514     PPC405EP_CPC0_PCI    = 0x0F9,
1515 #if 0
1516     PPC405EP_CPC0_ER     = xxx,
1517     PPC405EP_CPC0_FR     = xxx,
1518     PPC405EP_CPC0_SR     = xxx,
1519 #endif
1520 };
1521 
1522 enum {
1523     PPC405EP_CPU_CLK   = 0,
1524     PPC405EP_PLB_CLK   = 1,
1525     PPC405EP_OPB_CLK   = 2,
1526     PPC405EP_EBC_CLK   = 3,
1527     PPC405EP_MAL_CLK   = 4,
1528     PPC405EP_PCI_CLK   = 5,
1529     PPC405EP_UART0_CLK = 6,
1530     PPC405EP_UART1_CLK = 7,
1531     PPC405EP_CLK_NB    = 8,
1532 };
1533 
1534 typedef struct ppc405ep_cpc_t ppc405ep_cpc_t;
1535 struct ppc405ep_cpc_t {
1536     uint32_t sysclk;
1537     clk_setup_t clk_setup[PPC405EP_CLK_NB];
1538     uint32_t boot;
1539     uint32_t epctl;
1540     uint32_t pllmr[2];
1541     uint32_t ucr;
1542     uint32_t srr;
1543     uint32_t jtagid;
1544     uint32_t pci;
1545     /* Clock and power management */
1546     uint32_t er;
1547     uint32_t fr;
1548     uint32_t sr;
1549 };
1550 
1551 static void ppc405ep_compute_clocks (ppc405ep_cpc_t *cpc)
1552 {
1553     uint32_t CPU_clk, PLB_clk, OPB_clk, EBC_clk, MAL_clk, PCI_clk;
1554     uint32_t UART0_clk, UART1_clk;
1555     uint64_t VCO_out, PLL_out;
1556     int M, D;
1557 
1558     VCO_out = 0;
1559     if ((cpc->pllmr[1] & 0x80000000) && !(cpc->pllmr[1] & 0x40000000)) {
1560         M = (((cpc->pllmr[1] >> 20) - 1) & 0xF) + 1; /* FBMUL */
1561 #ifdef DEBUG_CLOCKS_LL
1562         printf("FBMUL %01" PRIx32 " %d\n", (cpc->pllmr[1] >> 20) & 0xF, M);
1563 #endif
1564         D = 8 - ((cpc->pllmr[1] >> 16) & 0x7); /* FWDA */
1565 #ifdef DEBUG_CLOCKS_LL
1566         printf("FWDA %01" PRIx32 " %d\n", (cpc->pllmr[1] >> 16) & 0x7, D);
1567 #endif
1568         VCO_out = (uint64_t)cpc->sysclk * M * D;
1569         if (VCO_out < 500000000UL || VCO_out > 1000000000UL) {
1570             /* Error - unlock the PLL */
1571             printf("VCO out of range %" PRIu64 "\n", VCO_out);
1572 #if 0
1573             cpc->pllmr[1] &= ~0x80000000;
1574             goto pll_bypass;
1575 #endif
1576         }
1577         PLL_out = VCO_out / D;
1578         /* Pretend the PLL is locked */
1579         cpc->boot |= 0x00000001;
1580     } else {
1581 #if 0
1582     pll_bypass:
1583 #endif
1584         PLL_out = cpc->sysclk;
1585         if (cpc->pllmr[1] & 0x40000000) {
1586             /* Pretend the PLL is not locked */
1587             cpc->boot &= ~0x00000001;
1588         }
1589     }
1590     /* Now, compute all other clocks */
1591     D = ((cpc->pllmr[0] >> 20) & 0x3) + 1; /* CCDV */
1592 #ifdef DEBUG_CLOCKS_LL
1593     printf("CCDV %01" PRIx32 " %d\n", (cpc->pllmr[0] >> 20) & 0x3, D);
1594 #endif
1595     CPU_clk = PLL_out / D;
1596     D = ((cpc->pllmr[0] >> 16) & 0x3) + 1; /* CBDV */
1597 #ifdef DEBUG_CLOCKS_LL
1598     printf("CBDV %01" PRIx32 " %d\n", (cpc->pllmr[0] >> 16) & 0x3, D);
1599 #endif
1600     PLB_clk = CPU_clk / D;
1601     D = ((cpc->pllmr[0] >> 12) & 0x3) + 1; /* OPDV */
1602 #ifdef DEBUG_CLOCKS_LL
1603     printf("OPDV %01" PRIx32 " %d\n", (cpc->pllmr[0] >> 12) & 0x3, D);
1604 #endif
1605     OPB_clk = PLB_clk / D;
1606     D = ((cpc->pllmr[0] >> 8) & 0x3) + 2; /* EPDV */
1607 #ifdef DEBUG_CLOCKS_LL
1608     printf("EPDV %01" PRIx32 " %d\n", (cpc->pllmr[0] >> 8) & 0x3, D);
1609 #endif
1610     EBC_clk = PLB_clk / D;
1611     D = ((cpc->pllmr[0] >> 4) & 0x3) + 1; /* MPDV */
1612 #ifdef DEBUG_CLOCKS_LL
1613     printf("MPDV %01" PRIx32 " %d\n", (cpc->pllmr[0] >> 4) & 0x3, D);
1614 #endif
1615     MAL_clk = PLB_clk / D;
1616     D = (cpc->pllmr[0] & 0x3) + 1; /* PPDV */
1617 #ifdef DEBUG_CLOCKS_LL
1618     printf("PPDV %01" PRIx32 " %d\n", cpc->pllmr[0] & 0x3, D);
1619 #endif
1620     PCI_clk = PLB_clk / D;
1621     D = ((cpc->ucr - 1) & 0x7F) + 1; /* U0DIV */
1622 #ifdef DEBUG_CLOCKS_LL
1623     printf("U0DIV %01" PRIx32 " %d\n", cpc->ucr & 0x7F, D);
1624 #endif
1625     UART0_clk = PLL_out / D;
1626     D = (((cpc->ucr >> 8) - 1) & 0x7F) + 1; /* U1DIV */
1627 #ifdef DEBUG_CLOCKS_LL
1628     printf("U1DIV %01" PRIx32 " %d\n", (cpc->ucr >> 8) & 0x7F, D);
1629 #endif
1630     UART1_clk = PLL_out / D;
1631 #ifdef DEBUG_CLOCKS
1632     printf("Setup PPC405EP clocks - sysclk %" PRIu32 " VCO %" PRIu64
1633            " PLL out %" PRIu64 " Hz\n", cpc->sysclk, VCO_out, PLL_out);
1634     printf("CPU %" PRIu32 " PLB %" PRIu32 " OPB %" PRIu32 " EBC %" PRIu32
1635            " MAL %" PRIu32 " PCI %" PRIu32 " UART0 %" PRIu32
1636            " UART1 %" PRIu32 "\n",
1637            CPU_clk, PLB_clk, OPB_clk, EBC_clk, MAL_clk, PCI_clk,
1638            UART0_clk, UART1_clk);
1639 #endif
1640     /* Setup CPU clocks */
1641     clk_setup(&cpc->clk_setup[PPC405EP_CPU_CLK], CPU_clk);
1642     /* Setup PLB clock */
1643     clk_setup(&cpc->clk_setup[PPC405EP_PLB_CLK], PLB_clk);
1644     /* Setup OPB clock */
1645     clk_setup(&cpc->clk_setup[PPC405EP_OPB_CLK], OPB_clk);
1646     /* Setup external clock */
1647     clk_setup(&cpc->clk_setup[PPC405EP_EBC_CLK], EBC_clk);
1648     /* Setup MAL clock */
1649     clk_setup(&cpc->clk_setup[PPC405EP_MAL_CLK], MAL_clk);
1650     /* Setup PCI clock */
1651     clk_setup(&cpc->clk_setup[PPC405EP_PCI_CLK], PCI_clk);
1652     /* Setup UART0 clock */
1653     clk_setup(&cpc->clk_setup[PPC405EP_UART0_CLK], UART0_clk);
1654     /* Setup UART1 clock */
1655     clk_setup(&cpc->clk_setup[PPC405EP_UART1_CLK], UART1_clk);
1656 }
1657 
1658 static uint32_t dcr_read_epcpc (void *opaque, int dcrn)
1659 {
1660     ppc405ep_cpc_t *cpc;
1661     uint32_t ret;
1662 
1663     cpc = opaque;
1664     switch (dcrn) {
1665     case PPC405EP_CPC0_BOOT:
1666         ret = cpc->boot;
1667         break;
1668     case PPC405EP_CPC0_EPCTL:
1669         ret = cpc->epctl;
1670         break;
1671     case PPC405EP_CPC0_PLLMR0:
1672         ret = cpc->pllmr[0];
1673         break;
1674     case PPC405EP_CPC0_PLLMR1:
1675         ret = cpc->pllmr[1];
1676         break;
1677     case PPC405EP_CPC0_UCR:
1678         ret = cpc->ucr;
1679         break;
1680     case PPC405EP_CPC0_SRR:
1681         ret = cpc->srr;
1682         break;
1683     case PPC405EP_CPC0_JTAGID:
1684         ret = cpc->jtagid;
1685         break;
1686     case PPC405EP_CPC0_PCI:
1687         ret = cpc->pci;
1688         break;
1689     default:
1690         /* Avoid gcc warning */
1691         ret = 0;
1692         break;
1693     }
1694 
1695     return ret;
1696 }
1697 
1698 static void dcr_write_epcpc (void *opaque, int dcrn, uint32_t val)
1699 {
1700     ppc405ep_cpc_t *cpc;
1701 
1702     cpc = opaque;
1703     switch (dcrn) {
1704     case PPC405EP_CPC0_BOOT:
1705         /* Read-only register */
1706         break;
1707     case PPC405EP_CPC0_EPCTL:
1708         /* Don't care for now */
1709         cpc->epctl = val & 0xC00000F3;
1710         break;
1711     case PPC405EP_CPC0_PLLMR0:
1712         cpc->pllmr[0] = val & 0x00633333;
1713         ppc405ep_compute_clocks(cpc);
1714         break;
1715     case PPC405EP_CPC0_PLLMR1:
1716         cpc->pllmr[1] = val & 0xC0F73FFF;
1717         ppc405ep_compute_clocks(cpc);
1718         break;
1719     case PPC405EP_CPC0_UCR:
1720         /* UART control - don't care for now */
1721         cpc->ucr = val & 0x003F7F7F;
1722         break;
1723     case PPC405EP_CPC0_SRR:
1724         cpc->srr = val;
1725         break;
1726     case PPC405EP_CPC0_JTAGID:
1727         /* Read-only */
1728         break;
1729     case PPC405EP_CPC0_PCI:
1730         cpc->pci = val;
1731         break;
1732     }
1733 }
1734 
1735 static void ppc405ep_cpc_reset (void *opaque)
1736 {
1737     ppc405ep_cpc_t *cpc = opaque;
1738 
1739     cpc->boot = 0x00000010;     /* Boot from PCI - IIC EEPROM disabled */
1740     cpc->epctl = 0x00000000;
1741     cpc->pllmr[0] = 0x00011010;
1742     cpc->pllmr[1] = 0x40000000;
1743     cpc->ucr = 0x00000000;
1744     cpc->srr = 0x00040000;
1745     cpc->pci = 0x00000000;
1746     cpc->er = 0x00000000;
1747     cpc->fr = 0x00000000;
1748     cpc->sr = 0x00000000;
1749     ppc405ep_compute_clocks(cpc);
1750 }
1751 
1752 /* XXX: sysclk should be between 25 and 100 MHz */
1753 static void ppc405ep_cpc_init (CPUPPCState *env, clk_setup_t clk_setup[8],
1754                                uint32_t sysclk)
1755 {
1756     ppc405ep_cpc_t *cpc;
1757 
1758     cpc = g_malloc0(sizeof(ppc405ep_cpc_t));
1759     memcpy(cpc->clk_setup, clk_setup,
1760            PPC405EP_CLK_NB * sizeof(clk_setup_t));
1761     cpc->jtagid = 0x20267049;
1762     cpc->sysclk = sysclk;
1763     qemu_register_reset(&ppc405ep_cpc_reset, cpc);
1764     ppc_dcr_register(env, PPC405EP_CPC0_BOOT, cpc,
1765                      &dcr_read_epcpc, &dcr_write_epcpc);
1766     ppc_dcr_register(env, PPC405EP_CPC0_EPCTL, cpc,
1767                      &dcr_read_epcpc, &dcr_write_epcpc);
1768     ppc_dcr_register(env, PPC405EP_CPC0_PLLMR0, cpc,
1769                      &dcr_read_epcpc, &dcr_write_epcpc);
1770     ppc_dcr_register(env, PPC405EP_CPC0_PLLMR1, cpc,
1771                      &dcr_read_epcpc, &dcr_write_epcpc);
1772     ppc_dcr_register(env, PPC405EP_CPC0_UCR, cpc,
1773                      &dcr_read_epcpc, &dcr_write_epcpc);
1774     ppc_dcr_register(env, PPC405EP_CPC0_SRR, cpc,
1775                      &dcr_read_epcpc, &dcr_write_epcpc);
1776     ppc_dcr_register(env, PPC405EP_CPC0_JTAGID, cpc,
1777                      &dcr_read_epcpc, &dcr_write_epcpc);
1778     ppc_dcr_register(env, PPC405EP_CPC0_PCI, cpc,
1779                      &dcr_read_epcpc, &dcr_write_epcpc);
1780 #if 0
1781     ppc_dcr_register(env, PPC405EP_CPC0_ER, cpc,
1782                      &dcr_read_epcpc, &dcr_write_epcpc);
1783     ppc_dcr_register(env, PPC405EP_CPC0_FR, cpc,
1784                      &dcr_read_epcpc, &dcr_write_epcpc);
1785     ppc_dcr_register(env, PPC405EP_CPC0_SR, cpc,
1786                      &dcr_read_epcpc, &dcr_write_epcpc);
1787 #endif
1788 }
1789 
1790 CPUPPCState *ppc405ep_init(MemoryRegion *address_space_mem,
1791                         MemoryRegion ram_memories[2],
1792                         hwaddr ram_bases[2],
1793                         hwaddr ram_sizes[2],
1794                         uint32_t sysclk, qemu_irq **picp,
1795                         int do_init)
1796 {
1797     clk_setup_t clk_setup[PPC405EP_CLK_NB], tlb_clk_setup;
1798     qemu_irq dma_irqs[4], gpt_irqs[5], mal_irqs[4];
1799     PowerPCCPU *cpu;
1800     CPUPPCState *env;
1801     qemu_irq *pic, *irqs;
1802 
1803     memset(clk_setup, 0, sizeof(clk_setup));
1804     /* init CPUs */
1805     cpu = ppc4xx_init(POWERPC_CPU_TYPE_NAME("405ep"),
1806                       &clk_setup[PPC405EP_CPU_CLK],
1807                       &tlb_clk_setup, sysclk);
1808     env = &cpu->env;
1809     clk_setup[PPC405EP_CPU_CLK].cb = tlb_clk_setup.cb;
1810     clk_setup[PPC405EP_CPU_CLK].opaque = tlb_clk_setup.opaque;
1811     /* Internal devices init */
1812     /* Memory mapped devices registers */
1813     /* PLB arbitrer */
1814     ppc4xx_plb_init(env);
1815     /* PLB to OPB bridge */
1816     ppc4xx_pob_init(env);
1817     /* OBP arbitrer */
1818     ppc4xx_opba_init(0xef600600);
1819     /* Initialize timers */
1820     ppc_booke_timers_init(cpu, sysclk, 0);
1821     /* Universal interrupt controller */
1822     irqs = g_new0(qemu_irq, PPCUIC_OUTPUT_NB);
1823     irqs[PPCUIC_OUTPUT_INT] =
1824         ((qemu_irq *)env->irq_inputs)[PPC40x_INPUT_INT];
1825     irqs[PPCUIC_OUTPUT_CINT] =
1826         ((qemu_irq *)env->irq_inputs)[PPC40x_INPUT_CINT];
1827     pic = ppcuic_init(env, irqs, 0x0C0, 0, 1);
1828     *picp = pic;
1829     /* SDRAM controller */
1830         /* XXX 405EP has no ECC interrupt */
1831     ppc4xx_sdram_init(env, pic[17], 2, ram_memories,
1832                       ram_bases, ram_sizes, do_init);
1833     /* External bus controller */
1834     ppc405_ebc_init(env);
1835     /* DMA controller */
1836     dma_irqs[0] = pic[5];
1837     dma_irqs[1] = pic[6];
1838     dma_irqs[2] = pic[7];
1839     dma_irqs[3] = pic[8];
1840     ppc405_dma_init(env, dma_irqs);
1841     /* IIC controller */
1842     sysbus_create_simple(TYPE_PPC4xx_I2C, 0xef600500, pic[2]);
1843     /* GPIO */
1844     ppc405_gpio_init(0xef600700);
1845     /* Serial ports */
1846     if (serial_hd(0) != NULL) {
1847         serial_mm_init(address_space_mem, 0xef600300, 0, pic[0],
1848                        PPC_SERIAL_MM_BAUDBASE, serial_hd(0),
1849                        DEVICE_BIG_ENDIAN);
1850     }
1851     if (serial_hd(1) != NULL) {
1852         serial_mm_init(address_space_mem, 0xef600400, 0, pic[1],
1853                        PPC_SERIAL_MM_BAUDBASE, serial_hd(1),
1854                        DEVICE_BIG_ENDIAN);
1855     }
1856     /* OCM */
1857     ppc405_ocm_init(env);
1858     /* GPT */
1859     gpt_irqs[0] = pic[19];
1860     gpt_irqs[1] = pic[20];
1861     gpt_irqs[2] = pic[21];
1862     gpt_irqs[3] = pic[22];
1863     gpt_irqs[4] = pic[23];
1864     ppc4xx_gpt_init(0xef600000, gpt_irqs);
1865     /* PCI */
1866     /* Uses pic[3], pic[16], pic[18] */
1867     /* MAL */
1868     mal_irqs[0] = pic[11];
1869     mal_irqs[1] = pic[12];
1870     mal_irqs[2] = pic[13];
1871     mal_irqs[3] = pic[14];
1872     ppc4xx_mal_init(env, 4, 2, mal_irqs);
1873     /* Ethernet */
1874     /* Uses pic[9], pic[15], pic[17] */
1875     /* CPU control */
1876     ppc405ep_cpc_init(env, clk_setup, sysclk);
1877 
1878     return env;
1879 }
1880