xref: /openbmc/qemu/hw/ppc/ppc405_uc.c (revision b8bcf811)
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 "hw/hw.h"
25 #include "hw/ppc/ppc.h"
26 #include "ppc405.h"
27 #include "hw/char/serial.h"
28 #include "qemu/timer.h"
29 #include "sysemu/sysemu.h"
30 #include "qemu/log.h"
31 #include "exec/address-spaces.h"
32 
33 //#define DEBUG_OPBA
34 //#define DEBUG_SDRAM
35 //#define DEBUG_GPIO
36 //#define DEBUG_SERIAL
37 //#define DEBUG_OCM
38 //#define DEBUG_I2C
39 //#define DEBUG_GPT
40 //#define DEBUG_MAL
41 //#define DEBUG_CLOCKS
42 //#define DEBUG_CLOCKS_LL
43 
44 ram_addr_t ppc405_set_bootinfo (CPUPPCState *env, ppc4xx_bd_info_t *bd,
45                                 uint32_t flags)
46 {
47     CPUState *cs = ENV_GET_CPU(env);
48     ram_addr_t bdloc;
49     int i, n;
50 
51     /* We put the bd structure at the top of memory */
52     if (bd->bi_memsize >= 0x01000000UL)
53         bdloc = 0x01000000UL - sizeof(struct ppc4xx_bd_info_t);
54     else
55         bdloc = bd->bi_memsize - sizeof(struct ppc4xx_bd_info_t);
56     stl_be_phys(cs->as, bdloc + 0x00, bd->bi_memstart);
57     stl_be_phys(cs->as, bdloc + 0x04, bd->bi_memsize);
58     stl_be_phys(cs->as, bdloc + 0x08, bd->bi_flashstart);
59     stl_be_phys(cs->as, bdloc + 0x0C, bd->bi_flashsize);
60     stl_be_phys(cs->as, bdloc + 0x10, bd->bi_flashoffset);
61     stl_be_phys(cs->as, bdloc + 0x14, bd->bi_sramstart);
62     stl_be_phys(cs->as, bdloc + 0x18, bd->bi_sramsize);
63     stl_be_phys(cs->as, bdloc + 0x1C, bd->bi_bootflags);
64     stl_be_phys(cs->as, bdloc + 0x20, bd->bi_ipaddr);
65     for (i = 0; i < 6; i++) {
66         stb_phys(cs->as, bdloc + 0x24 + i, bd->bi_enetaddr[i]);
67     }
68     stw_be_phys(cs->as, bdloc + 0x2A, bd->bi_ethspeed);
69     stl_be_phys(cs->as, bdloc + 0x2C, bd->bi_intfreq);
70     stl_be_phys(cs->as, bdloc + 0x30, bd->bi_busfreq);
71     stl_be_phys(cs->as, bdloc + 0x34, bd->bi_baudrate);
72     for (i = 0; i < 4; i++) {
73         stb_phys(cs->as, bdloc + 0x38 + i, bd->bi_s_version[i]);
74     }
75     for (i = 0; i < 32; i++) {
76         stb_phys(cs->as, bdloc + 0x3C + i, bd->bi_r_version[i]);
77     }
78     stl_be_phys(cs->as, bdloc + 0x5C, bd->bi_plb_busfreq);
79     stl_be_phys(cs->as, bdloc + 0x60, bd->bi_pci_busfreq);
80     for (i = 0; i < 6; i++) {
81         stb_phys(cs->as, bdloc + 0x64 + i, bd->bi_pci_enetaddr[i]);
82     }
83     n = 0x6A;
84     if (flags & 0x00000001) {
85         for (i = 0; i < 6; i++)
86             stb_phys(cs->as, bdloc + n++, bd->bi_pci_enetaddr2[i]);
87     }
88     stl_be_phys(cs->as, bdloc + n, bd->bi_opbfreq);
89     n += 4;
90     for (i = 0; i < 2; i++) {
91         stl_be_phys(cs->as, bdloc + n, bd->bi_iic_fast[i]);
92         n += 4;
93     }
94 
95     return bdloc;
96 }
97 
98 /*****************************************************************************/
99 /* Shared peripherals */
100 
101 /*****************************************************************************/
102 /* Peripheral local bus arbitrer */
103 enum {
104     PLB0_BESR = 0x084,
105     PLB0_BEAR = 0x086,
106     PLB0_ACR  = 0x087,
107 };
108 
109 typedef struct ppc4xx_plb_t ppc4xx_plb_t;
110 struct ppc4xx_plb_t {
111     uint32_t acr;
112     uint32_t bear;
113     uint32_t besr;
114 };
115 
116 static uint32_t dcr_read_plb (void *opaque, int dcrn)
117 {
118     ppc4xx_plb_t *plb;
119     uint32_t ret;
120 
121     plb = opaque;
122     switch (dcrn) {
123     case PLB0_ACR:
124         ret = plb->acr;
125         break;
126     case PLB0_BEAR:
127         ret = plb->bear;
128         break;
129     case PLB0_BESR:
130         ret = plb->besr;
131         break;
132     default:
133         /* Avoid gcc warning */
134         ret = 0;
135         break;
136     }
137 
138     return ret;
139 }
140 
141 static void dcr_write_plb (void *opaque, int dcrn, uint32_t val)
142 {
143     ppc4xx_plb_t *plb;
144 
145     plb = opaque;
146     switch (dcrn) {
147     case PLB0_ACR:
148         /* We don't care about the actual parameters written as
149          * we don't manage any priorities on the bus
150          */
151         plb->acr = val & 0xF8000000;
152         break;
153     case PLB0_BEAR:
154         /* Read only */
155         break;
156     case PLB0_BESR:
157         /* Write-clear */
158         plb->besr &= ~val;
159         break;
160     }
161 }
162 
163 static void ppc4xx_plb_reset (void *opaque)
164 {
165     ppc4xx_plb_t *plb;
166 
167     plb = opaque;
168     plb->acr = 0x00000000;
169     plb->bear = 0x00000000;
170     plb->besr = 0x00000000;
171 }
172 
173 static void ppc4xx_plb_init(CPUPPCState *env)
174 {
175     ppc4xx_plb_t *plb;
176 
177     plb = g_malloc0(sizeof(ppc4xx_plb_t));
178     ppc_dcr_register(env, PLB0_ACR, plb, &dcr_read_plb, &dcr_write_plb);
179     ppc_dcr_register(env, PLB0_BEAR, plb, &dcr_read_plb, &dcr_write_plb);
180     ppc_dcr_register(env, PLB0_BESR, plb, &dcr_read_plb, &dcr_write_plb);
181     qemu_register_reset(ppc4xx_plb_reset, plb);
182 }
183 
184 /*****************************************************************************/
185 /* PLB to OPB bridge */
186 enum {
187     POB0_BESR0 = 0x0A0,
188     POB0_BESR1 = 0x0A2,
189     POB0_BEAR  = 0x0A4,
190 };
191 
192 typedef struct ppc4xx_pob_t ppc4xx_pob_t;
193 struct ppc4xx_pob_t {
194     uint32_t bear;
195     uint32_t besr0;
196     uint32_t besr1;
197 };
198 
199 static uint32_t dcr_read_pob (void *opaque, int dcrn)
200 {
201     ppc4xx_pob_t *pob;
202     uint32_t ret;
203 
204     pob = opaque;
205     switch (dcrn) {
206     case POB0_BEAR:
207         ret = pob->bear;
208         break;
209     case POB0_BESR0:
210         ret = pob->besr0;
211         break;
212     case POB0_BESR1:
213         ret = pob->besr1;
214         break;
215     default:
216         /* Avoid gcc warning */
217         ret = 0;
218         break;
219     }
220 
221     return ret;
222 }
223 
224 static void dcr_write_pob (void *opaque, int dcrn, uint32_t val)
225 {
226     ppc4xx_pob_t *pob;
227 
228     pob = opaque;
229     switch (dcrn) {
230     case POB0_BEAR:
231         /* Read only */
232         break;
233     case POB0_BESR0:
234         /* Write-clear */
235         pob->besr0 &= ~val;
236         break;
237     case POB0_BESR1:
238         /* Write-clear */
239         pob->besr1 &= ~val;
240         break;
241     }
242 }
243 
244 static void ppc4xx_pob_reset (void *opaque)
245 {
246     ppc4xx_pob_t *pob;
247 
248     pob = opaque;
249     /* No error */
250     pob->bear = 0x00000000;
251     pob->besr0 = 0x0000000;
252     pob->besr1 = 0x0000000;
253 }
254 
255 static void ppc4xx_pob_init(CPUPPCState *env)
256 {
257     ppc4xx_pob_t *pob;
258 
259     pob = g_malloc0(sizeof(ppc4xx_pob_t));
260     ppc_dcr_register(env, POB0_BEAR, pob, &dcr_read_pob, &dcr_write_pob);
261     ppc_dcr_register(env, POB0_BESR0, pob, &dcr_read_pob, &dcr_write_pob);
262     ppc_dcr_register(env, POB0_BESR1, pob, &dcr_read_pob, &dcr_write_pob);
263     qemu_register_reset(ppc4xx_pob_reset, pob);
264 }
265 
266 /*****************************************************************************/
267 /* OPB arbitrer */
268 typedef struct ppc4xx_opba_t ppc4xx_opba_t;
269 struct ppc4xx_opba_t {
270     MemoryRegion io;
271     uint8_t cr;
272     uint8_t pr;
273 };
274 
275 static uint32_t opba_readb (void *opaque, hwaddr addr)
276 {
277     ppc4xx_opba_t *opba;
278     uint32_t ret;
279 
280 #ifdef DEBUG_OPBA
281     printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
282 #endif
283     opba = opaque;
284     switch (addr) {
285     case 0x00:
286         ret = opba->cr;
287         break;
288     case 0x01:
289         ret = opba->pr;
290         break;
291     default:
292         ret = 0x00;
293         break;
294     }
295 
296     return ret;
297 }
298 
299 static void opba_writeb (void *opaque,
300                          hwaddr addr, uint32_t value)
301 {
302     ppc4xx_opba_t *opba;
303 
304 #ifdef DEBUG_OPBA
305     printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
306            value);
307 #endif
308     opba = opaque;
309     switch (addr) {
310     case 0x00:
311         opba->cr = value & 0xF8;
312         break;
313     case 0x01:
314         opba->pr = value & 0xFF;
315         break;
316     default:
317         break;
318     }
319 }
320 
321 static uint32_t opba_readw (void *opaque, hwaddr addr)
322 {
323     uint32_t ret;
324 
325 #ifdef DEBUG_OPBA
326     printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
327 #endif
328     ret = opba_readb(opaque, addr) << 8;
329     ret |= opba_readb(opaque, addr + 1);
330 
331     return ret;
332 }
333 
334 static void opba_writew (void *opaque,
335                          hwaddr addr, uint32_t value)
336 {
337 #ifdef DEBUG_OPBA
338     printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
339            value);
340 #endif
341     opba_writeb(opaque, addr, value >> 8);
342     opba_writeb(opaque, addr + 1, value);
343 }
344 
345 static uint32_t opba_readl (void *opaque, hwaddr addr)
346 {
347     uint32_t ret;
348 
349 #ifdef DEBUG_OPBA
350     printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
351 #endif
352     ret = opba_readb(opaque, addr) << 24;
353     ret |= opba_readb(opaque, addr + 1) << 16;
354 
355     return ret;
356 }
357 
358 static void opba_writel (void *opaque,
359                          hwaddr addr, uint32_t value)
360 {
361 #ifdef DEBUG_OPBA
362     printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
363            value);
364 #endif
365     opba_writeb(opaque, addr, value >> 24);
366     opba_writeb(opaque, addr + 1, value >> 16);
367 }
368 
369 static const MemoryRegionOps opba_ops = {
370     .old_mmio = {
371         .read = { opba_readb, opba_readw, opba_readl, },
372         .write = { opba_writeb, opba_writew, opba_writel, },
373     },
374     .endianness = DEVICE_NATIVE_ENDIAN,
375 };
376 
377 static void ppc4xx_opba_reset (void *opaque)
378 {
379     ppc4xx_opba_t *opba;
380 
381     opba = opaque;
382     opba->cr = 0x00; /* No dynamic priorities - park disabled */
383     opba->pr = 0x11;
384 }
385 
386 static void ppc4xx_opba_init(hwaddr base)
387 {
388     ppc4xx_opba_t *opba;
389 
390     opba = g_malloc0(sizeof(ppc4xx_opba_t));
391 #ifdef DEBUG_OPBA
392     printf("%s: offset " TARGET_FMT_plx "\n", __func__, base);
393 #endif
394     memory_region_init_io(&opba->io, NULL, &opba_ops, opba, "opba", 0x002);
395     memory_region_add_subregion(get_system_memory(), base, &opba->io);
396     qemu_register_reset(ppc4xx_opba_reset, opba);
397 }
398 
399 /*****************************************************************************/
400 /* Code decompression controller */
401 /* XXX: TODO */
402 
403 /*****************************************************************************/
404 /* Peripheral controller */
405 typedef struct ppc4xx_ebc_t ppc4xx_ebc_t;
406 struct ppc4xx_ebc_t {
407     uint32_t addr;
408     uint32_t bcr[8];
409     uint32_t bap[8];
410     uint32_t bear;
411     uint32_t besr0;
412     uint32_t besr1;
413     uint32_t cfg;
414 };
415 
416 enum {
417     EBC0_CFGADDR = 0x012,
418     EBC0_CFGDATA = 0x013,
419 };
420 
421 static uint32_t dcr_read_ebc (void *opaque, int dcrn)
422 {
423     ppc4xx_ebc_t *ebc;
424     uint32_t ret;
425 
426     ebc = opaque;
427     switch (dcrn) {
428     case EBC0_CFGADDR:
429         ret = ebc->addr;
430         break;
431     case EBC0_CFGDATA:
432         switch (ebc->addr) {
433         case 0x00: /* B0CR */
434             ret = ebc->bcr[0];
435             break;
436         case 0x01: /* B1CR */
437             ret = ebc->bcr[1];
438             break;
439         case 0x02: /* B2CR */
440             ret = ebc->bcr[2];
441             break;
442         case 0x03: /* B3CR */
443             ret = ebc->bcr[3];
444             break;
445         case 0x04: /* B4CR */
446             ret = ebc->bcr[4];
447             break;
448         case 0x05: /* B5CR */
449             ret = ebc->bcr[5];
450             break;
451         case 0x06: /* B6CR */
452             ret = ebc->bcr[6];
453             break;
454         case 0x07: /* B7CR */
455             ret = ebc->bcr[7];
456             break;
457         case 0x10: /* B0AP */
458             ret = ebc->bap[0];
459             break;
460         case 0x11: /* B1AP */
461             ret = ebc->bap[1];
462             break;
463         case 0x12: /* B2AP */
464             ret = ebc->bap[2];
465             break;
466         case 0x13: /* B3AP */
467             ret = ebc->bap[3];
468             break;
469         case 0x14: /* B4AP */
470             ret = ebc->bap[4];
471             break;
472         case 0x15: /* B5AP */
473             ret = ebc->bap[5];
474             break;
475         case 0x16: /* B6AP */
476             ret = ebc->bap[6];
477             break;
478         case 0x17: /* B7AP */
479             ret = ebc->bap[7];
480             break;
481         case 0x20: /* BEAR */
482             ret = ebc->bear;
483             break;
484         case 0x21: /* BESR0 */
485             ret = ebc->besr0;
486             break;
487         case 0x22: /* BESR1 */
488             ret = ebc->besr1;
489             break;
490         case 0x23: /* CFG */
491             ret = ebc->cfg;
492             break;
493         default:
494             ret = 0x00000000;
495             break;
496         }
497         break;
498     default:
499         ret = 0x00000000;
500         break;
501     }
502 
503     return ret;
504 }
505 
506 static void dcr_write_ebc (void *opaque, int dcrn, uint32_t val)
507 {
508     ppc4xx_ebc_t *ebc;
509 
510     ebc = opaque;
511     switch (dcrn) {
512     case EBC0_CFGADDR:
513         ebc->addr = val;
514         break;
515     case EBC0_CFGDATA:
516         switch (ebc->addr) {
517         case 0x00: /* B0CR */
518             break;
519         case 0x01: /* B1CR */
520             break;
521         case 0x02: /* B2CR */
522             break;
523         case 0x03: /* B3CR */
524             break;
525         case 0x04: /* B4CR */
526             break;
527         case 0x05: /* B5CR */
528             break;
529         case 0x06: /* B6CR */
530             break;
531         case 0x07: /* B7CR */
532             break;
533         case 0x10: /* B0AP */
534             break;
535         case 0x11: /* B1AP */
536             break;
537         case 0x12: /* B2AP */
538             break;
539         case 0x13: /* B3AP */
540             break;
541         case 0x14: /* B4AP */
542             break;
543         case 0x15: /* B5AP */
544             break;
545         case 0x16: /* B6AP */
546             break;
547         case 0x17: /* B7AP */
548             break;
549         case 0x20: /* BEAR */
550             break;
551         case 0x21: /* BESR0 */
552             break;
553         case 0x22: /* BESR1 */
554             break;
555         case 0x23: /* CFG */
556             break;
557         default:
558             break;
559         }
560         break;
561     default:
562         break;
563     }
564 }
565 
566 static void ebc_reset (void *opaque)
567 {
568     ppc4xx_ebc_t *ebc;
569     int i;
570 
571     ebc = opaque;
572     ebc->addr = 0x00000000;
573     ebc->bap[0] = 0x7F8FFE80;
574     ebc->bcr[0] = 0xFFE28000;
575     for (i = 0; i < 8; i++) {
576         ebc->bap[i] = 0x00000000;
577         ebc->bcr[i] = 0x00000000;
578     }
579     ebc->besr0 = 0x00000000;
580     ebc->besr1 = 0x00000000;
581     ebc->cfg = 0x80400000;
582 }
583 
584 static void ppc405_ebc_init(CPUPPCState *env)
585 {
586     ppc4xx_ebc_t *ebc;
587 
588     ebc = g_malloc0(sizeof(ppc4xx_ebc_t));
589     qemu_register_reset(&ebc_reset, ebc);
590     ppc_dcr_register(env, EBC0_CFGADDR,
591                      ebc, &dcr_read_ebc, &dcr_write_ebc);
592     ppc_dcr_register(env, EBC0_CFGDATA,
593                      ebc, &dcr_read_ebc, &dcr_write_ebc);
594 }
595 
596 /*****************************************************************************/
597 /* DMA controller */
598 enum {
599     DMA0_CR0 = 0x100,
600     DMA0_CT0 = 0x101,
601     DMA0_DA0 = 0x102,
602     DMA0_SA0 = 0x103,
603     DMA0_SG0 = 0x104,
604     DMA0_CR1 = 0x108,
605     DMA0_CT1 = 0x109,
606     DMA0_DA1 = 0x10A,
607     DMA0_SA1 = 0x10B,
608     DMA0_SG1 = 0x10C,
609     DMA0_CR2 = 0x110,
610     DMA0_CT2 = 0x111,
611     DMA0_DA2 = 0x112,
612     DMA0_SA2 = 0x113,
613     DMA0_SG2 = 0x114,
614     DMA0_CR3 = 0x118,
615     DMA0_CT3 = 0x119,
616     DMA0_DA3 = 0x11A,
617     DMA0_SA3 = 0x11B,
618     DMA0_SG3 = 0x11C,
619     DMA0_SR  = 0x120,
620     DMA0_SGC = 0x123,
621     DMA0_SLP = 0x125,
622     DMA0_POL = 0x126,
623 };
624 
625 typedef struct ppc405_dma_t ppc405_dma_t;
626 struct ppc405_dma_t {
627     qemu_irq irqs[4];
628     uint32_t cr[4];
629     uint32_t ct[4];
630     uint32_t da[4];
631     uint32_t sa[4];
632     uint32_t sg[4];
633     uint32_t sr;
634     uint32_t sgc;
635     uint32_t slp;
636     uint32_t pol;
637 };
638 
639 static uint32_t dcr_read_dma (void *opaque, int dcrn)
640 {
641     return 0;
642 }
643 
644 static void dcr_write_dma (void *opaque, int dcrn, uint32_t val)
645 {
646 }
647 
648 static void ppc405_dma_reset (void *opaque)
649 {
650     ppc405_dma_t *dma;
651     int i;
652 
653     dma = opaque;
654     for (i = 0; i < 4; i++) {
655         dma->cr[i] = 0x00000000;
656         dma->ct[i] = 0x00000000;
657         dma->da[i] = 0x00000000;
658         dma->sa[i] = 0x00000000;
659         dma->sg[i] = 0x00000000;
660     }
661     dma->sr = 0x00000000;
662     dma->sgc = 0x00000000;
663     dma->slp = 0x7C000000;
664     dma->pol = 0x00000000;
665 }
666 
667 static void ppc405_dma_init(CPUPPCState *env, qemu_irq irqs[4])
668 {
669     ppc405_dma_t *dma;
670 
671     dma = g_malloc0(sizeof(ppc405_dma_t));
672     memcpy(dma->irqs, irqs, 4 * sizeof(qemu_irq));
673     qemu_register_reset(&ppc405_dma_reset, dma);
674     ppc_dcr_register(env, DMA0_CR0,
675                      dma, &dcr_read_dma, &dcr_write_dma);
676     ppc_dcr_register(env, DMA0_CT0,
677                      dma, &dcr_read_dma, &dcr_write_dma);
678     ppc_dcr_register(env, DMA0_DA0,
679                      dma, &dcr_read_dma, &dcr_write_dma);
680     ppc_dcr_register(env, DMA0_SA0,
681                      dma, &dcr_read_dma, &dcr_write_dma);
682     ppc_dcr_register(env, DMA0_SG0,
683                      dma, &dcr_read_dma, &dcr_write_dma);
684     ppc_dcr_register(env, DMA0_CR1,
685                      dma, &dcr_read_dma, &dcr_write_dma);
686     ppc_dcr_register(env, DMA0_CT1,
687                      dma, &dcr_read_dma, &dcr_write_dma);
688     ppc_dcr_register(env, DMA0_DA1,
689                      dma, &dcr_read_dma, &dcr_write_dma);
690     ppc_dcr_register(env, DMA0_SA1,
691                      dma, &dcr_read_dma, &dcr_write_dma);
692     ppc_dcr_register(env, DMA0_SG1,
693                      dma, &dcr_read_dma, &dcr_write_dma);
694     ppc_dcr_register(env, DMA0_CR2,
695                      dma, &dcr_read_dma, &dcr_write_dma);
696     ppc_dcr_register(env, DMA0_CT2,
697                      dma, &dcr_read_dma, &dcr_write_dma);
698     ppc_dcr_register(env, DMA0_DA2,
699                      dma, &dcr_read_dma, &dcr_write_dma);
700     ppc_dcr_register(env, DMA0_SA2,
701                      dma, &dcr_read_dma, &dcr_write_dma);
702     ppc_dcr_register(env, DMA0_SG2,
703                      dma, &dcr_read_dma, &dcr_write_dma);
704     ppc_dcr_register(env, DMA0_CR3,
705                      dma, &dcr_read_dma, &dcr_write_dma);
706     ppc_dcr_register(env, DMA0_CT3,
707                      dma, &dcr_read_dma, &dcr_write_dma);
708     ppc_dcr_register(env, DMA0_DA3,
709                      dma, &dcr_read_dma, &dcr_write_dma);
710     ppc_dcr_register(env, DMA0_SA3,
711                      dma, &dcr_read_dma, &dcr_write_dma);
712     ppc_dcr_register(env, DMA0_SG3,
713                      dma, &dcr_read_dma, &dcr_write_dma);
714     ppc_dcr_register(env, DMA0_SR,
715                      dma, &dcr_read_dma, &dcr_write_dma);
716     ppc_dcr_register(env, DMA0_SGC,
717                      dma, &dcr_read_dma, &dcr_write_dma);
718     ppc_dcr_register(env, DMA0_SLP,
719                      dma, &dcr_read_dma, &dcr_write_dma);
720     ppc_dcr_register(env, DMA0_POL,
721                      dma, &dcr_read_dma, &dcr_write_dma);
722 }
723 
724 /*****************************************************************************/
725 /* GPIO */
726 typedef struct ppc405_gpio_t ppc405_gpio_t;
727 struct ppc405_gpio_t {
728     MemoryRegion io;
729     uint32_t or;
730     uint32_t tcr;
731     uint32_t osrh;
732     uint32_t osrl;
733     uint32_t tsrh;
734     uint32_t tsrl;
735     uint32_t odr;
736     uint32_t ir;
737     uint32_t rr1;
738     uint32_t isr1h;
739     uint32_t isr1l;
740 };
741 
742 static uint32_t ppc405_gpio_readb (void *opaque, hwaddr addr)
743 {
744 #ifdef DEBUG_GPIO
745     printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
746 #endif
747 
748     return 0;
749 }
750 
751 static void ppc405_gpio_writeb (void *opaque,
752                                 hwaddr addr, uint32_t value)
753 {
754 #ifdef DEBUG_GPIO
755     printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
756            value);
757 #endif
758 }
759 
760 static uint32_t ppc405_gpio_readw (void *opaque, hwaddr addr)
761 {
762 #ifdef DEBUG_GPIO
763     printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
764 #endif
765 
766     return 0;
767 }
768 
769 static void ppc405_gpio_writew (void *opaque,
770                                 hwaddr addr, uint32_t value)
771 {
772 #ifdef DEBUG_GPIO
773     printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
774            value);
775 #endif
776 }
777 
778 static uint32_t ppc405_gpio_readl (void *opaque, hwaddr addr)
779 {
780 #ifdef DEBUG_GPIO
781     printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
782 #endif
783 
784     return 0;
785 }
786 
787 static void ppc405_gpio_writel (void *opaque,
788                                 hwaddr addr, uint32_t value)
789 {
790 #ifdef DEBUG_GPIO
791     printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
792            value);
793 #endif
794 }
795 
796 static const MemoryRegionOps ppc405_gpio_ops = {
797     .old_mmio = {
798         .read = { ppc405_gpio_readb, ppc405_gpio_readw, ppc405_gpio_readl, },
799         .write = { ppc405_gpio_writeb, ppc405_gpio_writew, ppc405_gpio_writel, },
800     },
801     .endianness = DEVICE_NATIVE_ENDIAN,
802 };
803 
804 static void ppc405_gpio_reset (void *opaque)
805 {
806 }
807 
808 static void ppc405_gpio_init(hwaddr base)
809 {
810     ppc405_gpio_t *gpio;
811 
812     gpio = g_malloc0(sizeof(ppc405_gpio_t));
813 #ifdef DEBUG_GPIO
814     printf("%s: offset " TARGET_FMT_plx "\n", __func__, base);
815 #endif
816     memory_region_init_io(&gpio->io, NULL, &ppc405_gpio_ops, gpio, "pgio", 0x038);
817     memory_region_add_subregion(get_system_memory(), base, &gpio->io);
818     qemu_register_reset(&ppc405_gpio_reset, gpio);
819 }
820 
821 /*****************************************************************************/
822 /* On Chip Memory */
823 enum {
824     OCM0_ISARC   = 0x018,
825     OCM0_ISACNTL = 0x019,
826     OCM0_DSARC   = 0x01A,
827     OCM0_DSACNTL = 0x01B,
828 };
829 
830 typedef struct ppc405_ocm_t ppc405_ocm_t;
831 struct ppc405_ocm_t {
832     MemoryRegion ram;
833     MemoryRegion isarc_ram;
834     MemoryRegion dsarc_ram;
835     uint32_t isarc;
836     uint32_t isacntl;
837     uint32_t dsarc;
838     uint32_t dsacntl;
839 };
840 
841 static void ocm_update_mappings (ppc405_ocm_t *ocm,
842                                  uint32_t isarc, uint32_t isacntl,
843                                  uint32_t dsarc, uint32_t dsacntl)
844 {
845 #ifdef DEBUG_OCM
846     printf("OCM update ISA %08" PRIx32 " %08" PRIx32 " (%08" PRIx32
847            " %08" PRIx32 ") DSA %08" PRIx32 " %08" PRIx32
848            " (%08" PRIx32 " %08" PRIx32 ")\n",
849            isarc, isacntl, dsarc, dsacntl,
850            ocm->isarc, ocm->isacntl, ocm->dsarc, ocm->dsacntl);
851 #endif
852     if (ocm->isarc != isarc ||
853         (ocm->isacntl & 0x80000000) != (isacntl & 0x80000000)) {
854         if (ocm->isacntl & 0x80000000) {
855             /* Unmap previously assigned memory region */
856             printf("OCM unmap ISA %08" PRIx32 "\n", ocm->isarc);
857             memory_region_del_subregion(get_system_memory(), &ocm->isarc_ram);
858         }
859         if (isacntl & 0x80000000) {
860             /* Map new instruction memory region */
861 #ifdef DEBUG_OCM
862             printf("OCM map ISA %08" PRIx32 "\n", isarc);
863 #endif
864             memory_region_add_subregion(get_system_memory(), isarc,
865                                         &ocm->isarc_ram);
866         }
867     }
868     if (ocm->dsarc != dsarc ||
869         (ocm->dsacntl & 0x80000000) != (dsacntl & 0x80000000)) {
870         if (ocm->dsacntl & 0x80000000) {
871             /* Beware not to unmap the region we just mapped */
872             if (!(isacntl & 0x80000000) || ocm->dsarc != isarc) {
873                 /* Unmap previously assigned memory region */
874 #ifdef DEBUG_OCM
875                 printf("OCM unmap DSA %08" PRIx32 "\n", ocm->dsarc);
876 #endif
877                 memory_region_del_subregion(get_system_memory(),
878                                             &ocm->dsarc_ram);
879             }
880         }
881         if (dsacntl & 0x80000000) {
882             /* Beware not to remap the region we just mapped */
883             if (!(isacntl & 0x80000000) || dsarc != isarc) {
884                 /* Map new data memory region */
885 #ifdef DEBUG_OCM
886                 printf("OCM map DSA %08" PRIx32 "\n", dsarc);
887 #endif
888                 memory_region_add_subregion(get_system_memory(), dsarc,
889                                             &ocm->dsarc_ram);
890             }
891         }
892     }
893 }
894 
895 static uint32_t dcr_read_ocm (void *opaque, int dcrn)
896 {
897     ppc405_ocm_t *ocm;
898     uint32_t ret;
899 
900     ocm = opaque;
901     switch (dcrn) {
902     case OCM0_ISARC:
903         ret = ocm->isarc;
904         break;
905     case OCM0_ISACNTL:
906         ret = ocm->isacntl;
907         break;
908     case OCM0_DSARC:
909         ret = ocm->dsarc;
910         break;
911     case OCM0_DSACNTL:
912         ret = ocm->dsacntl;
913         break;
914     default:
915         ret = 0;
916         break;
917     }
918 
919     return ret;
920 }
921 
922 static void dcr_write_ocm (void *opaque, int dcrn, uint32_t val)
923 {
924     ppc405_ocm_t *ocm;
925     uint32_t isarc, dsarc, isacntl, dsacntl;
926 
927     ocm = opaque;
928     isarc = ocm->isarc;
929     dsarc = ocm->dsarc;
930     isacntl = ocm->isacntl;
931     dsacntl = ocm->dsacntl;
932     switch (dcrn) {
933     case OCM0_ISARC:
934         isarc = val & 0xFC000000;
935         break;
936     case OCM0_ISACNTL:
937         isacntl = val & 0xC0000000;
938         break;
939     case OCM0_DSARC:
940         isarc = val & 0xFC000000;
941         break;
942     case OCM0_DSACNTL:
943         isacntl = val & 0xC0000000;
944         break;
945     }
946     ocm_update_mappings(ocm, isarc, isacntl, dsarc, dsacntl);
947     ocm->isarc = isarc;
948     ocm->dsarc = dsarc;
949     ocm->isacntl = isacntl;
950     ocm->dsacntl = dsacntl;
951 }
952 
953 static void ocm_reset (void *opaque)
954 {
955     ppc405_ocm_t *ocm;
956     uint32_t isarc, dsarc, isacntl, dsacntl;
957 
958     ocm = opaque;
959     isarc = 0x00000000;
960     isacntl = 0x00000000;
961     dsarc = 0x00000000;
962     dsacntl = 0x00000000;
963     ocm_update_mappings(ocm, isarc, isacntl, dsarc, dsacntl);
964     ocm->isarc = isarc;
965     ocm->dsarc = dsarc;
966     ocm->isacntl = isacntl;
967     ocm->dsacntl = dsacntl;
968 }
969 
970 static void ppc405_ocm_init(CPUPPCState *env)
971 {
972     ppc405_ocm_t *ocm;
973 
974     ocm = g_malloc0(sizeof(ppc405_ocm_t));
975     /* XXX: Size is 4096 or 0x04000000 */
976     memory_region_init_ram(&ocm->isarc_ram, NULL, "ppc405.ocm", 4096);
977     vmstate_register_ram_global(&ocm->isarc_ram);
978     memory_region_init_alias(&ocm->dsarc_ram, NULL, "ppc405.dsarc", &ocm->isarc_ram,
979                              0, 4096);
980     qemu_register_reset(&ocm_reset, ocm);
981     ppc_dcr_register(env, OCM0_ISARC,
982                      ocm, &dcr_read_ocm, &dcr_write_ocm);
983     ppc_dcr_register(env, OCM0_ISACNTL,
984                      ocm, &dcr_read_ocm, &dcr_write_ocm);
985     ppc_dcr_register(env, OCM0_DSARC,
986                      ocm, &dcr_read_ocm, &dcr_write_ocm);
987     ppc_dcr_register(env, OCM0_DSACNTL,
988                      ocm, &dcr_read_ocm, &dcr_write_ocm);
989 }
990 
991 /*****************************************************************************/
992 /* I2C controller */
993 typedef struct ppc4xx_i2c_t ppc4xx_i2c_t;
994 struct ppc4xx_i2c_t {
995     qemu_irq irq;
996     MemoryRegion iomem;
997     uint8_t mdata;
998     uint8_t lmadr;
999     uint8_t hmadr;
1000     uint8_t cntl;
1001     uint8_t mdcntl;
1002     uint8_t sts;
1003     uint8_t extsts;
1004     uint8_t sdata;
1005     uint8_t lsadr;
1006     uint8_t hsadr;
1007     uint8_t clkdiv;
1008     uint8_t intrmsk;
1009     uint8_t xfrcnt;
1010     uint8_t xtcntlss;
1011     uint8_t directcntl;
1012 };
1013 
1014 static uint32_t ppc4xx_i2c_readb (void *opaque, hwaddr addr)
1015 {
1016     ppc4xx_i2c_t *i2c;
1017     uint32_t ret;
1018 
1019 #ifdef DEBUG_I2C
1020     printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
1021 #endif
1022     i2c = opaque;
1023     switch (addr) {
1024     case 0x00:
1025         //        i2c_readbyte(&i2c->mdata);
1026         ret = i2c->mdata;
1027         break;
1028     case 0x02:
1029         ret = i2c->sdata;
1030         break;
1031     case 0x04:
1032         ret = i2c->lmadr;
1033         break;
1034     case 0x05:
1035         ret = i2c->hmadr;
1036         break;
1037     case 0x06:
1038         ret = i2c->cntl;
1039         break;
1040     case 0x07:
1041         ret = i2c->mdcntl;
1042         break;
1043     case 0x08:
1044         ret = i2c->sts;
1045         break;
1046     case 0x09:
1047         ret = i2c->extsts;
1048         break;
1049     case 0x0A:
1050         ret = i2c->lsadr;
1051         break;
1052     case 0x0B:
1053         ret = i2c->hsadr;
1054         break;
1055     case 0x0C:
1056         ret = i2c->clkdiv;
1057         break;
1058     case 0x0D:
1059         ret = i2c->intrmsk;
1060         break;
1061     case 0x0E:
1062         ret = i2c->xfrcnt;
1063         break;
1064     case 0x0F:
1065         ret = i2c->xtcntlss;
1066         break;
1067     case 0x10:
1068         ret = i2c->directcntl;
1069         break;
1070     default:
1071         ret = 0x00;
1072         break;
1073     }
1074 #ifdef DEBUG_I2C
1075     printf("%s: addr " TARGET_FMT_plx " %02" PRIx32 "\n", __func__, addr, ret);
1076 #endif
1077 
1078     return ret;
1079 }
1080 
1081 static void ppc4xx_i2c_writeb (void *opaque,
1082                                hwaddr addr, uint32_t value)
1083 {
1084     ppc4xx_i2c_t *i2c;
1085 
1086 #ifdef DEBUG_I2C
1087     printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
1088            value);
1089 #endif
1090     i2c = opaque;
1091     switch (addr) {
1092     case 0x00:
1093         i2c->mdata = value;
1094         //        i2c_sendbyte(&i2c->mdata);
1095         break;
1096     case 0x02:
1097         i2c->sdata = value;
1098         break;
1099     case 0x04:
1100         i2c->lmadr = value;
1101         break;
1102     case 0x05:
1103         i2c->hmadr = value;
1104         break;
1105     case 0x06:
1106         i2c->cntl = value;
1107         break;
1108     case 0x07:
1109         i2c->mdcntl = value & 0xDF;
1110         break;
1111     case 0x08:
1112         i2c->sts &= ~(value & 0x0A);
1113         break;
1114     case 0x09:
1115         i2c->extsts &= ~(value & 0x8F);
1116         break;
1117     case 0x0A:
1118         i2c->lsadr = value;
1119         break;
1120     case 0x0B:
1121         i2c->hsadr = value;
1122         break;
1123     case 0x0C:
1124         i2c->clkdiv = value;
1125         break;
1126     case 0x0D:
1127         i2c->intrmsk = value;
1128         break;
1129     case 0x0E:
1130         i2c->xfrcnt = value & 0x77;
1131         break;
1132     case 0x0F:
1133         i2c->xtcntlss = value;
1134         break;
1135     case 0x10:
1136         i2c->directcntl = value & 0x7;
1137         break;
1138     }
1139 }
1140 
1141 static uint32_t ppc4xx_i2c_readw (void *opaque, hwaddr addr)
1142 {
1143     uint32_t ret;
1144 
1145 #ifdef DEBUG_I2C
1146     printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
1147 #endif
1148     ret = ppc4xx_i2c_readb(opaque, addr) << 8;
1149     ret |= ppc4xx_i2c_readb(opaque, addr + 1);
1150 
1151     return ret;
1152 }
1153 
1154 static void ppc4xx_i2c_writew (void *opaque,
1155                                hwaddr addr, uint32_t value)
1156 {
1157 #ifdef DEBUG_I2C
1158     printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
1159            value);
1160 #endif
1161     ppc4xx_i2c_writeb(opaque, addr, value >> 8);
1162     ppc4xx_i2c_writeb(opaque, addr + 1, value);
1163 }
1164 
1165 static uint32_t ppc4xx_i2c_readl (void *opaque, hwaddr addr)
1166 {
1167     uint32_t ret;
1168 
1169 #ifdef DEBUG_I2C
1170     printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
1171 #endif
1172     ret = ppc4xx_i2c_readb(opaque, addr) << 24;
1173     ret |= ppc4xx_i2c_readb(opaque, addr + 1) << 16;
1174     ret |= ppc4xx_i2c_readb(opaque, addr + 2) << 8;
1175     ret |= ppc4xx_i2c_readb(opaque, addr + 3);
1176 
1177     return ret;
1178 }
1179 
1180 static void ppc4xx_i2c_writel (void *opaque,
1181                                hwaddr addr, uint32_t value)
1182 {
1183 #ifdef DEBUG_I2C
1184     printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
1185            value);
1186 #endif
1187     ppc4xx_i2c_writeb(opaque, addr, value >> 24);
1188     ppc4xx_i2c_writeb(opaque, addr + 1, value >> 16);
1189     ppc4xx_i2c_writeb(opaque, addr + 2, value >> 8);
1190     ppc4xx_i2c_writeb(opaque, addr + 3, value);
1191 }
1192 
1193 static const MemoryRegionOps i2c_ops = {
1194     .old_mmio = {
1195         .read = { ppc4xx_i2c_readb, ppc4xx_i2c_readw, ppc4xx_i2c_readl, },
1196         .write = { ppc4xx_i2c_writeb, ppc4xx_i2c_writew, ppc4xx_i2c_writel, },
1197     },
1198     .endianness = DEVICE_NATIVE_ENDIAN,
1199 };
1200 
1201 static void ppc4xx_i2c_reset (void *opaque)
1202 {
1203     ppc4xx_i2c_t *i2c;
1204 
1205     i2c = opaque;
1206     i2c->mdata = 0x00;
1207     i2c->sdata = 0x00;
1208     i2c->cntl = 0x00;
1209     i2c->mdcntl = 0x00;
1210     i2c->sts = 0x00;
1211     i2c->extsts = 0x00;
1212     i2c->clkdiv = 0x00;
1213     i2c->xfrcnt = 0x00;
1214     i2c->directcntl = 0x0F;
1215 }
1216 
1217 static void ppc405_i2c_init(hwaddr base, qemu_irq irq)
1218 {
1219     ppc4xx_i2c_t *i2c;
1220 
1221     i2c = g_malloc0(sizeof(ppc4xx_i2c_t));
1222     i2c->irq = irq;
1223 #ifdef DEBUG_I2C
1224     printf("%s: offset " TARGET_FMT_plx "\n", __func__, base);
1225 #endif
1226     memory_region_init_io(&i2c->iomem, NULL, &i2c_ops, i2c, "i2c", 0x011);
1227     memory_region_add_subregion(get_system_memory(), base, &i2c->iomem);
1228     qemu_register_reset(ppc4xx_i2c_reset, i2c);
1229 }
1230 
1231 /*****************************************************************************/
1232 /* General purpose timers */
1233 typedef struct ppc4xx_gpt_t ppc4xx_gpt_t;
1234 struct ppc4xx_gpt_t {
1235     MemoryRegion iomem;
1236     int64_t tb_offset;
1237     uint32_t tb_freq;
1238     QEMUTimer *timer;
1239     qemu_irq irqs[5];
1240     uint32_t oe;
1241     uint32_t ol;
1242     uint32_t im;
1243     uint32_t is;
1244     uint32_t ie;
1245     uint32_t comp[5];
1246     uint32_t mask[5];
1247 };
1248 
1249 static uint32_t ppc4xx_gpt_readb (void *opaque, hwaddr addr)
1250 {
1251 #ifdef DEBUG_GPT
1252     printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
1253 #endif
1254     /* XXX: generate a bus fault */
1255     return -1;
1256 }
1257 
1258 static void ppc4xx_gpt_writeb (void *opaque,
1259                                hwaddr addr, uint32_t value)
1260 {
1261 #ifdef DEBUG_I2C
1262     printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
1263            value);
1264 #endif
1265     /* XXX: generate a bus fault */
1266 }
1267 
1268 static uint32_t ppc4xx_gpt_readw (void *opaque, hwaddr addr)
1269 {
1270 #ifdef DEBUG_GPT
1271     printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
1272 #endif
1273     /* XXX: generate a bus fault */
1274     return -1;
1275 }
1276 
1277 static void ppc4xx_gpt_writew (void *opaque,
1278                                hwaddr addr, uint32_t value)
1279 {
1280 #ifdef DEBUG_I2C
1281     printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
1282            value);
1283 #endif
1284     /* XXX: generate a bus fault */
1285 }
1286 
1287 static int ppc4xx_gpt_compare (ppc4xx_gpt_t *gpt, int n)
1288 {
1289     /* XXX: TODO */
1290     return 0;
1291 }
1292 
1293 static void ppc4xx_gpt_set_output (ppc4xx_gpt_t *gpt, int n, int level)
1294 {
1295     /* XXX: TODO */
1296 }
1297 
1298 static void ppc4xx_gpt_set_outputs (ppc4xx_gpt_t *gpt)
1299 {
1300     uint32_t mask;
1301     int i;
1302 
1303     mask = 0x80000000;
1304     for (i = 0; i < 5; i++) {
1305         if (gpt->oe & mask) {
1306             /* Output is enabled */
1307             if (ppc4xx_gpt_compare(gpt, i)) {
1308                 /* Comparison is OK */
1309                 ppc4xx_gpt_set_output(gpt, i, gpt->ol & mask);
1310             } else {
1311                 /* Comparison is KO */
1312                 ppc4xx_gpt_set_output(gpt, i, gpt->ol & mask ? 0 : 1);
1313             }
1314         }
1315         mask = mask >> 1;
1316     }
1317 }
1318 
1319 static void ppc4xx_gpt_set_irqs (ppc4xx_gpt_t *gpt)
1320 {
1321     uint32_t mask;
1322     int i;
1323 
1324     mask = 0x00008000;
1325     for (i = 0; i < 5; i++) {
1326         if (gpt->is & gpt->im & mask)
1327             qemu_irq_raise(gpt->irqs[i]);
1328         else
1329             qemu_irq_lower(gpt->irqs[i]);
1330         mask = mask >> 1;
1331     }
1332 }
1333 
1334 static void ppc4xx_gpt_compute_timer (ppc4xx_gpt_t *gpt)
1335 {
1336     /* XXX: TODO */
1337 }
1338 
1339 static uint32_t ppc4xx_gpt_readl (void *opaque, hwaddr addr)
1340 {
1341     ppc4xx_gpt_t *gpt;
1342     uint32_t ret;
1343     int idx;
1344 
1345 #ifdef DEBUG_GPT
1346     printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
1347 #endif
1348     gpt = opaque;
1349     switch (addr) {
1350     case 0x00:
1351         /* Time base counter */
1352         ret = muldiv64(qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + gpt->tb_offset,
1353                        gpt->tb_freq, get_ticks_per_sec());
1354         break;
1355     case 0x10:
1356         /* Output enable */
1357         ret = gpt->oe;
1358         break;
1359     case 0x14:
1360         /* Output level */
1361         ret = gpt->ol;
1362         break;
1363     case 0x18:
1364         /* Interrupt mask */
1365         ret = gpt->im;
1366         break;
1367     case 0x1C:
1368     case 0x20:
1369         /* Interrupt status */
1370         ret = gpt->is;
1371         break;
1372     case 0x24:
1373         /* Interrupt enable */
1374         ret = gpt->ie;
1375         break;
1376     case 0x80 ... 0x90:
1377         /* Compare timer */
1378         idx = (addr - 0x80) >> 2;
1379         ret = gpt->comp[idx];
1380         break;
1381     case 0xC0 ... 0xD0:
1382         /* Compare mask */
1383         idx = (addr - 0xC0) >> 2;
1384         ret = gpt->mask[idx];
1385         break;
1386     default:
1387         ret = -1;
1388         break;
1389     }
1390 
1391     return ret;
1392 }
1393 
1394 static void ppc4xx_gpt_writel (void *opaque,
1395                                hwaddr addr, uint32_t value)
1396 {
1397     ppc4xx_gpt_t *gpt;
1398     int idx;
1399 
1400 #ifdef DEBUG_I2C
1401     printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
1402            value);
1403 #endif
1404     gpt = opaque;
1405     switch (addr) {
1406     case 0x00:
1407         /* Time base counter */
1408         gpt->tb_offset = muldiv64(value, get_ticks_per_sec(), gpt->tb_freq)
1409             - qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
1410         ppc4xx_gpt_compute_timer(gpt);
1411         break;
1412     case 0x10:
1413         /* Output enable */
1414         gpt->oe = value & 0xF8000000;
1415         ppc4xx_gpt_set_outputs(gpt);
1416         break;
1417     case 0x14:
1418         /* Output level */
1419         gpt->ol = value & 0xF8000000;
1420         ppc4xx_gpt_set_outputs(gpt);
1421         break;
1422     case 0x18:
1423         /* Interrupt mask */
1424         gpt->im = value & 0x0000F800;
1425         break;
1426     case 0x1C:
1427         /* Interrupt status set */
1428         gpt->is |= value & 0x0000F800;
1429         ppc4xx_gpt_set_irqs(gpt);
1430         break;
1431     case 0x20:
1432         /* Interrupt status clear */
1433         gpt->is &= ~(value & 0x0000F800);
1434         ppc4xx_gpt_set_irqs(gpt);
1435         break;
1436     case 0x24:
1437         /* Interrupt enable */
1438         gpt->ie = value & 0x0000F800;
1439         ppc4xx_gpt_set_irqs(gpt);
1440         break;
1441     case 0x80 ... 0x90:
1442         /* Compare timer */
1443         idx = (addr - 0x80) >> 2;
1444         gpt->comp[idx] = value & 0xF8000000;
1445         ppc4xx_gpt_compute_timer(gpt);
1446         break;
1447     case 0xC0 ... 0xD0:
1448         /* Compare mask */
1449         idx = (addr - 0xC0) >> 2;
1450         gpt->mask[idx] = value & 0xF8000000;
1451         ppc4xx_gpt_compute_timer(gpt);
1452         break;
1453     }
1454 }
1455 
1456 static const MemoryRegionOps gpt_ops = {
1457     .old_mmio = {
1458         .read = { ppc4xx_gpt_readb, ppc4xx_gpt_readw, ppc4xx_gpt_readl, },
1459         .write = { ppc4xx_gpt_writeb, ppc4xx_gpt_writew, ppc4xx_gpt_writel, },
1460     },
1461     .endianness = DEVICE_NATIVE_ENDIAN,
1462 };
1463 
1464 static void ppc4xx_gpt_cb (void *opaque)
1465 {
1466     ppc4xx_gpt_t *gpt;
1467 
1468     gpt = opaque;
1469     ppc4xx_gpt_set_irqs(gpt);
1470     ppc4xx_gpt_set_outputs(gpt);
1471     ppc4xx_gpt_compute_timer(gpt);
1472 }
1473 
1474 static void ppc4xx_gpt_reset (void *opaque)
1475 {
1476     ppc4xx_gpt_t *gpt;
1477     int i;
1478 
1479     gpt = opaque;
1480     timer_del(gpt->timer);
1481     gpt->oe = 0x00000000;
1482     gpt->ol = 0x00000000;
1483     gpt->im = 0x00000000;
1484     gpt->is = 0x00000000;
1485     gpt->ie = 0x00000000;
1486     for (i = 0; i < 5; i++) {
1487         gpt->comp[i] = 0x00000000;
1488         gpt->mask[i] = 0x00000000;
1489     }
1490 }
1491 
1492 static void ppc4xx_gpt_init(hwaddr base, qemu_irq irqs[5])
1493 {
1494     ppc4xx_gpt_t *gpt;
1495     int i;
1496 
1497     gpt = g_malloc0(sizeof(ppc4xx_gpt_t));
1498     for (i = 0; i < 5; i++) {
1499         gpt->irqs[i] = irqs[i];
1500     }
1501     gpt->timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, &ppc4xx_gpt_cb, gpt);
1502 #ifdef DEBUG_GPT
1503     printf("%s: offset " TARGET_FMT_plx "\n", __func__, base);
1504 #endif
1505     memory_region_init_io(&gpt->iomem, NULL, &gpt_ops, gpt, "gpt", 0x0d4);
1506     memory_region_add_subregion(get_system_memory(), base, &gpt->iomem);
1507     qemu_register_reset(ppc4xx_gpt_reset, gpt);
1508 }
1509 
1510 /*****************************************************************************/
1511 /* MAL */
1512 enum {
1513     MAL0_CFG      = 0x180,
1514     MAL0_ESR      = 0x181,
1515     MAL0_IER      = 0x182,
1516     MAL0_TXCASR   = 0x184,
1517     MAL0_TXCARR   = 0x185,
1518     MAL0_TXEOBISR = 0x186,
1519     MAL0_TXDEIR   = 0x187,
1520     MAL0_RXCASR   = 0x190,
1521     MAL0_RXCARR   = 0x191,
1522     MAL0_RXEOBISR = 0x192,
1523     MAL0_RXDEIR   = 0x193,
1524     MAL0_TXCTP0R  = 0x1A0,
1525     MAL0_TXCTP1R  = 0x1A1,
1526     MAL0_TXCTP2R  = 0x1A2,
1527     MAL0_TXCTP3R  = 0x1A3,
1528     MAL0_RXCTP0R  = 0x1C0,
1529     MAL0_RXCTP1R  = 0x1C1,
1530     MAL0_RCBS0    = 0x1E0,
1531     MAL0_RCBS1    = 0x1E1,
1532 };
1533 
1534 typedef struct ppc40x_mal_t ppc40x_mal_t;
1535 struct ppc40x_mal_t {
1536     qemu_irq irqs[4];
1537     uint32_t cfg;
1538     uint32_t esr;
1539     uint32_t ier;
1540     uint32_t txcasr;
1541     uint32_t txcarr;
1542     uint32_t txeobisr;
1543     uint32_t txdeir;
1544     uint32_t rxcasr;
1545     uint32_t rxcarr;
1546     uint32_t rxeobisr;
1547     uint32_t rxdeir;
1548     uint32_t txctpr[4];
1549     uint32_t rxctpr[2];
1550     uint32_t rcbs[2];
1551 };
1552 
1553 static void ppc40x_mal_reset (void *opaque);
1554 
1555 static uint32_t dcr_read_mal (void *opaque, int dcrn)
1556 {
1557     ppc40x_mal_t *mal;
1558     uint32_t ret;
1559 
1560     mal = opaque;
1561     switch (dcrn) {
1562     case MAL0_CFG:
1563         ret = mal->cfg;
1564         break;
1565     case MAL0_ESR:
1566         ret = mal->esr;
1567         break;
1568     case MAL0_IER:
1569         ret = mal->ier;
1570         break;
1571     case MAL0_TXCASR:
1572         ret = mal->txcasr;
1573         break;
1574     case MAL0_TXCARR:
1575         ret = mal->txcarr;
1576         break;
1577     case MAL0_TXEOBISR:
1578         ret = mal->txeobisr;
1579         break;
1580     case MAL0_TXDEIR:
1581         ret = mal->txdeir;
1582         break;
1583     case MAL0_RXCASR:
1584         ret = mal->rxcasr;
1585         break;
1586     case MAL0_RXCARR:
1587         ret = mal->rxcarr;
1588         break;
1589     case MAL0_RXEOBISR:
1590         ret = mal->rxeobisr;
1591         break;
1592     case MAL0_RXDEIR:
1593         ret = mal->rxdeir;
1594         break;
1595     case MAL0_TXCTP0R:
1596         ret = mal->txctpr[0];
1597         break;
1598     case MAL0_TXCTP1R:
1599         ret = mal->txctpr[1];
1600         break;
1601     case MAL0_TXCTP2R:
1602         ret = mal->txctpr[2];
1603         break;
1604     case MAL0_TXCTP3R:
1605         ret = mal->txctpr[3];
1606         break;
1607     case MAL0_RXCTP0R:
1608         ret = mal->rxctpr[0];
1609         break;
1610     case MAL0_RXCTP1R:
1611         ret = mal->rxctpr[1];
1612         break;
1613     case MAL0_RCBS0:
1614         ret = mal->rcbs[0];
1615         break;
1616     case MAL0_RCBS1:
1617         ret = mal->rcbs[1];
1618         break;
1619     default:
1620         ret = 0;
1621         break;
1622     }
1623 
1624     return ret;
1625 }
1626 
1627 static void dcr_write_mal (void *opaque, int dcrn, uint32_t val)
1628 {
1629     ppc40x_mal_t *mal;
1630     int idx;
1631 
1632     mal = opaque;
1633     switch (dcrn) {
1634     case MAL0_CFG:
1635         if (val & 0x80000000)
1636             ppc40x_mal_reset(mal);
1637         mal->cfg = val & 0x00FFC087;
1638         break;
1639     case MAL0_ESR:
1640         /* Read/clear */
1641         mal->esr &= ~val;
1642         break;
1643     case MAL0_IER:
1644         mal->ier = val & 0x0000001F;
1645         break;
1646     case MAL0_TXCASR:
1647         mal->txcasr = val & 0xF0000000;
1648         break;
1649     case MAL0_TXCARR:
1650         mal->txcarr = val & 0xF0000000;
1651         break;
1652     case MAL0_TXEOBISR:
1653         /* Read/clear */
1654         mal->txeobisr &= ~val;
1655         break;
1656     case MAL0_TXDEIR:
1657         /* Read/clear */
1658         mal->txdeir &= ~val;
1659         break;
1660     case MAL0_RXCASR:
1661         mal->rxcasr = val & 0xC0000000;
1662         break;
1663     case MAL0_RXCARR:
1664         mal->rxcarr = val & 0xC0000000;
1665         break;
1666     case MAL0_RXEOBISR:
1667         /* Read/clear */
1668         mal->rxeobisr &= ~val;
1669         break;
1670     case MAL0_RXDEIR:
1671         /* Read/clear */
1672         mal->rxdeir &= ~val;
1673         break;
1674     case MAL0_TXCTP0R:
1675         idx = 0;
1676         goto update_tx_ptr;
1677     case MAL0_TXCTP1R:
1678         idx = 1;
1679         goto update_tx_ptr;
1680     case MAL0_TXCTP2R:
1681         idx = 2;
1682         goto update_tx_ptr;
1683     case MAL0_TXCTP3R:
1684         idx = 3;
1685     update_tx_ptr:
1686         mal->txctpr[idx] = val;
1687         break;
1688     case MAL0_RXCTP0R:
1689         idx = 0;
1690         goto update_rx_ptr;
1691     case MAL0_RXCTP1R:
1692         idx = 1;
1693     update_rx_ptr:
1694         mal->rxctpr[idx] = val;
1695         break;
1696     case MAL0_RCBS0:
1697         idx = 0;
1698         goto update_rx_size;
1699     case MAL0_RCBS1:
1700         idx = 1;
1701     update_rx_size:
1702         mal->rcbs[idx] = val & 0x000000FF;
1703         break;
1704     }
1705 }
1706 
1707 static void ppc40x_mal_reset (void *opaque)
1708 {
1709     ppc40x_mal_t *mal;
1710 
1711     mal = opaque;
1712     mal->cfg = 0x0007C000;
1713     mal->esr = 0x00000000;
1714     mal->ier = 0x00000000;
1715     mal->rxcasr = 0x00000000;
1716     mal->rxdeir = 0x00000000;
1717     mal->rxeobisr = 0x00000000;
1718     mal->txcasr = 0x00000000;
1719     mal->txdeir = 0x00000000;
1720     mal->txeobisr = 0x00000000;
1721 }
1722 
1723 static void ppc405_mal_init(CPUPPCState *env, qemu_irq irqs[4])
1724 {
1725     ppc40x_mal_t *mal;
1726     int i;
1727 
1728     mal = g_malloc0(sizeof(ppc40x_mal_t));
1729     for (i = 0; i < 4; i++)
1730         mal->irqs[i] = irqs[i];
1731     qemu_register_reset(&ppc40x_mal_reset, mal);
1732     ppc_dcr_register(env, MAL0_CFG,
1733                      mal, &dcr_read_mal, &dcr_write_mal);
1734     ppc_dcr_register(env, MAL0_ESR,
1735                      mal, &dcr_read_mal, &dcr_write_mal);
1736     ppc_dcr_register(env, MAL0_IER,
1737                      mal, &dcr_read_mal, &dcr_write_mal);
1738     ppc_dcr_register(env, MAL0_TXCASR,
1739                      mal, &dcr_read_mal, &dcr_write_mal);
1740     ppc_dcr_register(env, MAL0_TXCARR,
1741                      mal, &dcr_read_mal, &dcr_write_mal);
1742     ppc_dcr_register(env, MAL0_TXEOBISR,
1743                      mal, &dcr_read_mal, &dcr_write_mal);
1744     ppc_dcr_register(env, MAL0_TXDEIR,
1745                      mal, &dcr_read_mal, &dcr_write_mal);
1746     ppc_dcr_register(env, MAL0_RXCASR,
1747                      mal, &dcr_read_mal, &dcr_write_mal);
1748     ppc_dcr_register(env, MAL0_RXCARR,
1749                      mal, &dcr_read_mal, &dcr_write_mal);
1750     ppc_dcr_register(env, MAL0_RXEOBISR,
1751                      mal, &dcr_read_mal, &dcr_write_mal);
1752     ppc_dcr_register(env, MAL0_RXDEIR,
1753                      mal, &dcr_read_mal, &dcr_write_mal);
1754     ppc_dcr_register(env, MAL0_TXCTP0R,
1755                      mal, &dcr_read_mal, &dcr_write_mal);
1756     ppc_dcr_register(env, MAL0_TXCTP1R,
1757                      mal, &dcr_read_mal, &dcr_write_mal);
1758     ppc_dcr_register(env, MAL0_TXCTP2R,
1759                      mal, &dcr_read_mal, &dcr_write_mal);
1760     ppc_dcr_register(env, MAL0_TXCTP3R,
1761                      mal, &dcr_read_mal, &dcr_write_mal);
1762     ppc_dcr_register(env, MAL0_RXCTP0R,
1763                      mal, &dcr_read_mal, &dcr_write_mal);
1764     ppc_dcr_register(env, MAL0_RXCTP1R,
1765                      mal, &dcr_read_mal, &dcr_write_mal);
1766     ppc_dcr_register(env, MAL0_RCBS0,
1767                      mal, &dcr_read_mal, &dcr_write_mal);
1768     ppc_dcr_register(env, MAL0_RCBS1,
1769                      mal, &dcr_read_mal, &dcr_write_mal);
1770 }
1771 
1772 /*****************************************************************************/
1773 /* SPR */
1774 void ppc40x_core_reset(PowerPCCPU *cpu)
1775 {
1776     CPUPPCState *env = &cpu->env;
1777     target_ulong dbsr;
1778 
1779     printf("Reset PowerPC core\n");
1780     cpu_interrupt(CPU(cpu), CPU_INTERRUPT_RESET);
1781     dbsr = env->spr[SPR_40x_DBSR];
1782     dbsr &= ~0x00000300;
1783     dbsr |= 0x00000100;
1784     env->spr[SPR_40x_DBSR] = dbsr;
1785 }
1786 
1787 void ppc40x_chip_reset(PowerPCCPU *cpu)
1788 {
1789     CPUPPCState *env = &cpu->env;
1790     target_ulong dbsr;
1791 
1792     printf("Reset PowerPC chip\n");
1793     cpu_interrupt(CPU(cpu), CPU_INTERRUPT_RESET);
1794     /* XXX: TODO reset all internal peripherals */
1795     dbsr = env->spr[SPR_40x_DBSR];
1796     dbsr &= ~0x00000300;
1797     dbsr |= 0x00000200;
1798     env->spr[SPR_40x_DBSR] = dbsr;
1799 }
1800 
1801 void ppc40x_system_reset(PowerPCCPU *cpu)
1802 {
1803     printf("Reset PowerPC system\n");
1804     qemu_system_reset_request();
1805 }
1806 
1807 void store_40x_dbcr0 (CPUPPCState *env, uint32_t val)
1808 {
1809     PowerPCCPU *cpu = ppc_env_get_cpu(env);
1810 
1811     switch ((val >> 28) & 0x3) {
1812     case 0x0:
1813         /* No action */
1814         break;
1815     case 0x1:
1816         /* Core reset */
1817         ppc40x_core_reset(cpu);
1818         break;
1819     case 0x2:
1820         /* Chip reset */
1821         ppc40x_chip_reset(cpu);
1822         break;
1823     case 0x3:
1824         /* System reset */
1825         ppc40x_system_reset(cpu);
1826         break;
1827     }
1828 }
1829 
1830 /*****************************************************************************/
1831 /* PowerPC 405CR */
1832 enum {
1833     PPC405CR_CPC0_PLLMR  = 0x0B0,
1834     PPC405CR_CPC0_CR0    = 0x0B1,
1835     PPC405CR_CPC0_CR1    = 0x0B2,
1836     PPC405CR_CPC0_PSR    = 0x0B4,
1837     PPC405CR_CPC0_JTAGID = 0x0B5,
1838     PPC405CR_CPC0_ER     = 0x0B9,
1839     PPC405CR_CPC0_FR     = 0x0BA,
1840     PPC405CR_CPC0_SR     = 0x0BB,
1841 };
1842 
1843 enum {
1844     PPC405CR_CPU_CLK   = 0,
1845     PPC405CR_TMR_CLK   = 1,
1846     PPC405CR_PLB_CLK   = 2,
1847     PPC405CR_SDRAM_CLK = 3,
1848     PPC405CR_OPB_CLK   = 4,
1849     PPC405CR_EXT_CLK   = 5,
1850     PPC405CR_UART_CLK  = 6,
1851     PPC405CR_CLK_NB    = 7,
1852 };
1853 
1854 typedef struct ppc405cr_cpc_t ppc405cr_cpc_t;
1855 struct ppc405cr_cpc_t {
1856     clk_setup_t clk_setup[PPC405CR_CLK_NB];
1857     uint32_t sysclk;
1858     uint32_t psr;
1859     uint32_t cr0;
1860     uint32_t cr1;
1861     uint32_t jtagid;
1862     uint32_t pllmr;
1863     uint32_t er;
1864     uint32_t fr;
1865 };
1866 
1867 static void ppc405cr_clk_setup (ppc405cr_cpc_t *cpc)
1868 {
1869     uint64_t VCO_out, PLL_out;
1870     uint32_t CPU_clk, TMR_clk, SDRAM_clk, PLB_clk, OPB_clk, EXT_clk, UART_clk;
1871     int M, D0, D1, D2;
1872 
1873     D0 = ((cpc->pllmr >> 26) & 0x3) + 1; /* CBDV */
1874     if (cpc->pllmr & 0x80000000) {
1875         D1 = (((cpc->pllmr >> 20) - 1) & 0xF) + 1; /* FBDV */
1876         D2 = 8 - ((cpc->pllmr >> 16) & 0x7); /* FWDVA */
1877         M = D0 * D1 * D2;
1878         VCO_out = cpc->sysclk * M;
1879         if (VCO_out < 400000000 || VCO_out > 800000000) {
1880             /* PLL cannot lock */
1881             cpc->pllmr &= ~0x80000000;
1882             goto bypass_pll;
1883         }
1884         PLL_out = VCO_out / D2;
1885     } else {
1886         /* Bypass PLL */
1887     bypass_pll:
1888         M = D0;
1889         PLL_out = cpc->sysclk * M;
1890     }
1891     CPU_clk = PLL_out;
1892     if (cpc->cr1 & 0x00800000)
1893         TMR_clk = cpc->sysclk; /* Should have a separate clock */
1894     else
1895         TMR_clk = CPU_clk;
1896     PLB_clk = CPU_clk / D0;
1897     SDRAM_clk = PLB_clk;
1898     D0 = ((cpc->pllmr >> 10) & 0x3) + 1;
1899     OPB_clk = PLB_clk / D0;
1900     D0 = ((cpc->pllmr >> 24) & 0x3) + 2;
1901     EXT_clk = PLB_clk / D0;
1902     D0 = ((cpc->cr0 >> 1) & 0x1F) + 1;
1903     UART_clk = CPU_clk / D0;
1904     /* Setup CPU clocks */
1905     clk_setup(&cpc->clk_setup[PPC405CR_CPU_CLK], CPU_clk);
1906     /* Setup time-base clock */
1907     clk_setup(&cpc->clk_setup[PPC405CR_TMR_CLK], TMR_clk);
1908     /* Setup PLB clock */
1909     clk_setup(&cpc->clk_setup[PPC405CR_PLB_CLK], PLB_clk);
1910     /* Setup SDRAM clock */
1911     clk_setup(&cpc->clk_setup[PPC405CR_SDRAM_CLK], SDRAM_clk);
1912     /* Setup OPB clock */
1913     clk_setup(&cpc->clk_setup[PPC405CR_OPB_CLK], OPB_clk);
1914     /* Setup external clock */
1915     clk_setup(&cpc->clk_setup[PPC405CR_EXT_CLK], EXT_clk);
1916     /* Setup UART clock */
1917     clk_setup(&cpc->clk_setup[PPC405CR_UART_CLK], UART_clk);
1918 }
1919 
1920 static uint32_t dcr_read_crcpc (void *opaque, int dcrn)
1921 {
1922     ppc405cr_cpc_t *cpc;
1923     uint32_t ret;
1924 
1925     cpc = opaque;
1926     switch (dcrn) {
1927     case PPC405CR_CPC0_PLLMR:
1928         ret = cpc->pllmr;
1929         break;
1930     case PPC405CR_CPC0_CR0:
1931         ret = cpc->cr0;
1932         break;
1933     case PPC405CR_CPC0_CR1:
1934         ret = cpc->cr1;
1935         break;
1936     case PPC405CR_CPC0_PSR:
1937         ret = cpc->psr;
1938         break;
1939     case PPC405CR_CPC0_JTAGID:
1940         ret = cpc->jtagid;
1941         break;
1942     case PPC405CR_CPC0_ER:
1943         ret = cpc->er;
1944         break;
1945     case PPC405CR_CPC0_FR:
1946         ret = cpc->fr;
1947         break;
1948     case PPC405CR_CPC0_SR:
1949         ret = ~(cpc->er | cpc->fr) & 0xFFFF0000;
1950         break;
1951     default:
1952         /* Avoid gcc warning */
1953         ret = 0;
1954         break;
1955     }
1956 
1957     return ret;
1958 }
1959 
1960 static void dcr_write_crcpc (void *opaque, int dcrn, uint32_t val)
1961 {
1962     ppc405cr_cpc_t *cpc;
1963 
1964     cpc = opaque;
1965     switch (dcrn) {
1966     case PPC405CR_CPC0_PLLMR:
1967         cpc->pllmr = val & 0xFFF77C3F;
1968         break;
1969     case PPC405CR_CPC0_CR0:
1970         cpc->cr0 = val & 0x0FFFFFFE;
1971         break;
1972     case PPC405CR_CPC0_CR1:
1973         cpc->cr1 = val & 0x00800000;
1974         break;
1975     case PPC405CR_CPC0_PSR:
1976         /* Read-only */
1977         break;
1978     case PPC405CR_CPC0_JTAGID:
1979         /* Read-only */
1980         break;
1981     case PPC405CR_CPC0_ER:
1982         cpc->er = val & 0xBFFC0000;
1983         break;
1984     case PPC405CR_CPC0_FR:
1985         cpc->fr = val & 0xBFFC0000;
1986         break;
1987     case PPC405CR_CPC0_SR:
1988         /* Read-only */
1989         break;
1990     }
1991 }
1992 
1993 static void ppc405cr_cpc_reset (void *opaque)
1994 {
1995     ppc405cr_cpc_t *cpc;
1996     int D;
1997 
1998     cpc = opaque;
1999     /* Compute PLLMR value from PSR settings */
2000     cpc->pllmr = 0x80000000;
2001     /* PFWD */
2002     switch ((cpc->psr >> 30) & 3) {
2003     case 0:
2004         /* Bypass */
2005         cpc->pllmr &= ~0x80000000;
2006         break;
2007     case 1:
2008         /* Divide by 3 */
2009         cpc->pllmr |= 5 << 16;
2010         break;
2011     case 2:
2012         /* Divide by 4 */
2013         cpc->pllmr |= 4 << 16;
2014         break;
2015     case 3:
2016         /* Divide by 6 */
2017         cpc->pllmr |= 2 << 16;
2018         break;
2019     }
2020     /* PFBD */
2021     D = (cpc->psr >> 28) & 3;
2022     cpc->pllmr |= (D + 1) << 20;
2023     /* PT   */
2024     D = (cpc->psr >> 25) & 7;
2025     switch (D) {
2026     case 0x2:
2027         cpc->pllmr |= 0x13;
2028         break;
2029     case 0x4:
2030         cpc->pllmr |= 0x15;
2031         break;
2032     case 0x5:
2033         cpc->pllmr |= 0x16;
2034         break;
2035     default:
2036         break;
2037     }
2038     /* PDC  */
2039     D = (cpc->psr >> 23) & 3;
2040     cpc->pllmr |= D << 26;
2041     /* ODP  */
2042     D = (cpc->psr >> 21) & 3;
2043     cpc->pllmr |= D << 10;
2044     /* EBPD */
2045     D = (cpc->psr >> 17) & 3;
2046     cpc->pllmr |= D << 24;
2047     cpc->cr0 = 0x0000003C;
2048     cpc->cr1 = 0x2B0D8800;
2049     cpc->er = 0x00000000;
2050     cpc->fr = 0x00000000;
2051     ppc405cr_clk_setup(cpc);
2052 }
2053 
2054 static void ppc405cr_clk_init (ppc405cr_cpc_t *cpc)
2055 {
2056     int D;
2057 
2058     /* XXX: this should be read from IO pins */
2059     cpc->psr = 0x00000000; /* 8 bits ROM */
2060     /* PFWD */
2061     D = 0x2; /* Divide by 4 */
2062     cpc->psr |= D << 30;
2063     /* PFBD */
2064     D = 0x1; /* Divide by 2 */
2065     cpc->psr |= D << 28;
2066     /* PDC */
2067     D = 0x1; /* Divide by 2 */
2068     cpc->psr |= D << 23;
2069     /* PT */
2070     D = 0x5; /* M = 16 */
2071     cpc->psr |= D << 25;
2072     /* ODP */
2073     D = 0x1; /* Divide by 2 */
2074     cpc->psr |= D << 21;
2075     /* EBDP */
2076     D = 0x2; /* Divide by 4 */
2077     cpc->psr |= D << 17;
2078 }
2079 
2080 static void ppc405cr_cpc_init (CPUPPCState *env, clk_setup_t clk_setup[7],
2081                                uint32_t sysclk)
2082 {
2083     ppc405cr_cpc_t *cpc;
2084 
2085     cpc = g_malloc0(sizeof(ppc405cr_cpc_t));
2086     memcpy(cpc->clk_setup, clk_setup,
2087            PPC405CR_CLK_NB * sizeof(clk_setup_t));
2088     cpc->sysclk = sysclk;
2089     cpc->jtagid = 0x42051049;
2090     ppc_dcr_register(env, PPC405CR_CPC0_PSR, cpc,
2091                      &dcr_read_crcpc, &dcr_write_crcpc);
2092     ppc_dcr_register(env, PPC405CR_CPC0_CR0, cpc,
2093                      &dcr_read_crcpc, &dcr_write_crcpc);
2094     ppc_dcr_register(env, PPC405CR_CPC0_CR1, cpc,
2095                      &dcr_read_crcpc, &dcr_write_crcpc);
2096     ppc_dcr_register(env, PPC405CR_CPC0_JTAGID, cpc,
2097                      &dcr_read_crcpc, &dcr_write_crcpc);
2098     ppc_dcr_register(env, PPC405CR_CPC0_PLLMR, cpc,
2099                      &dcr_read_crcpc, &dcr_write_crcpc);
2100     ppc_dcr_register(env, PPC405CR_CPC0_ER, cpc,
2101                      &dcr_read_crcpc, &dcr_write_crcpc);
2102     ppc_dcr_register(env, PPC405CR_CPC0_FR, cpc,
2103                      &dcr_read_crcpc, &dcr_write_crcpc);
2104     ppc_dcr_register(env, PPC405CR_CPC0_SR, cpc,
2105                      &dcr_read_crcpc, &dcr_write_crcpc);
2106     ppc405cr_clk_init(cpc);
2107     qemu_register_reset(ppc405cr_cpc_reset, cpc);
2108 }
2109 
2110 CPUPPCState *ppc405cr_init(MemoryRegion *address_space_mem,
2111                         MemoryRegion ram_memories[4],
2112                         hwaddr ram_bases[4],
2113                         hwaddr ram_sizes[4],
2114                         uint32_t sysclk, qemu_irq **picp,
2115                         int do_init)
2116 {
2117     clk_setup_t clk_setup[PPC405CR_CLK_NB];
2118     qemu_irq dma_irqs[4];
2119     PowerPCCPU *cpu;
2120     CPUPPCState *env;
2121     qemu_irq *pic, *irqs;
2122 
2123     memset(clk_setup, 0, sizeof(clk_setup));
2124     cpu = ppc4xx_init("405cr", &clk_setup[PPC405CR_CPU_CLK],
2125                       &clk_setup[PPC405CR_TMR_CLK], sysclk);
2126     env = &cpu->env;
2127     /* Memory mapped devices registers */
2128     /* PLB arbitrer */
2129     ppc4xx_plb_init(env);
2130     /* PLB to OPB bridge */
2131     ppc4xx_pob_init(env);
2132     /* OBP arbitrer */
2133     ppc4xx_opba_init(0xef600600);
2134     /* Universal interrupt controller */
2135     irqs = g_malloc0(sizeof(qemu_irq) * PPCUIC_OUTPUT_NB);
2136     irqs[PPCUIC_OUTPUT_INT] =
2137         ((qemu_irq *)env->irq_inputs)[PPC40x_INPUT_INT];
2138     irqs[PPCUIC_OUTPUT_CINT] =
2139         ((qemu_irq *)env->irq_inputs)[PPC40x_INPUT_CINT];
2140     pic = ppcuic_init(env, irqs, 0x0C0, 0, 1);
2141     *picp = pic;
2142     /* SDRAM controller */
2143     ppc4xx_sdram_init(env, pic[14], 1, ram_memories,
2144                       ram_bases, ram_sizes, do_init);
2145     /* External bus controller */
2146     ppc405_ebc_init(env);
2147     /* DMA controller */
2148     dma_irqs[0] = pic[26];
2149     dma_irqs[1] = pic[25];
2150     dma_irqs[2] = pic[24];
2151     dma_irqs[3] = pic[23];
2152     ppc405_dma_init(env, dma_irqs);
2153     /* Serial ports */
2154     if (serial_hds[0] != NULL) {
2155         serial_mm_init(address_space_mem, 0xef600300, 0, pic[0],
2156                        PPC_SERIAL_MM_BAUDBASE, serial_hds[0],
2157                        DEVICE_BIG_ENDIAN);
2158     }
2159     if (serial_hds[1] != NULL) {
2160         serial_mm_init(address_space_mem, 0xef600400, 0, pic[1],
2161                        PPC_SERIAL_MM_BAUDBASE, serial_hds[1],
2162                        DEVICE_BIG_ENDIAN);
2163     }
2164     /* IIC controller */
2165     ppc405_i2c_init(0xef600500, pic[2]);
2166     /* GPIO */
2167     ppc405_gpio_init(0xef600700);
2168     /* CPU control */
2169     ppc405cr_cpc_init(env, clk_setup, sysclk);
2170 
2171     return env;
2172 }
2173 
2174 /*****************************************************************************/
2175 /* PowerPC 405EP */
2176 /* CPU control */
2177 enum {
2178     PPC405EP_CPC0_PLLMR0 = 0x0F0,
2179     PPC405EP_CPC0_BOOT   = 0x0F1,
2180     PPC405EP_CPC0_EPCTL  = 0x0F3,
2181     PPC405EP_CPC0_PLLMR1 = 0x0F4,
2182     PPC405EP_CPC0_UCR    = 0x0F5,
2183     PPC405EP_CPC0_SRR    = 0x0F6,
2184     PPC405EP_CPC0_JTAGID = 0x0F7,
2185     PPC405EP_CPC0_PCI    = 0x0F9,
2186 #if 0
2187     PPC405EP_CPC0_ER     = xxx,
2188     PPC405EP_CPC0_FR     = xxx,
2189     PPC405EP_CPC0_SR     = xxx,
2190 #endif
2191 };
2192 
2193 enum {
2194     PPC405EP_CPU_CLK   = 0,
2195     PPC405EP_PLB_CLK   = 1,
2196     PPC405EP_OPB_CLK   = 2,
2197     PPC405EP_EBC_CLK   = 3,
2198     PPC405EP_MAL_CLK   = 4,
2199     PPC405EP_PCI_CLK   = 5,
2200     PPC405EP_UART0_CLK = 6,
2201     PPC405EP_UART1_CLK = 7,
2202     PPC405EP_CLK_NB    = 8,
2203 };
2204 
2205 typedef struct ppc405ep_cpc_t ppc405ep_cpc_t;
2206 struct ppc405ep_cpc_t {
2207     uint32_t sysclk;
2208     clk_setup_t clk_setup[PPC405EP_CLK_NB];
2209     uint32_t boot;
2210     uint32_t epctl;
2211     uint32_t pllmr[2];
2212     uint32_t ucr;
2213     uint32_t srr;
2214     uint32_t jtagid;
2215     uint32_t pci;
2216     /* Clock and power management */
2217     uint32_t er;
2218     uint32_t fr;
2219     uint32_t sr;
2220 };
2221 
2222 static void ppc405ep_compute_clocks (ppc405ep_cpc_t *cpc)
2223 {
2224     uint32_t CPU_clk, PLB_clk, OPB_clk, EBC_clk, MAL_clk, PCI_clk;
2225     uint32_t UART0_clk, UART1_clk;
2226     uint64_t VCO_out, PLL_out;
2227     int M, D;
2228 
2229     VCO_out = 0;
2230     if ((cpc->pllmr[1] & 0x80000000) && !(cpc->pllmr[1] & 0x40000000)) {
2231         M = (((cpc->pllmr[1] >> 20) - 1) & 0xF) + 1; /* FBMUL */
2232 #ifdef DEBUG_CLOCKS_LL
2233         printf("FBMUL %01" PRIx32 " %d\n", (cpc->pllmr[1] >> 20) & 0xF, M);
2234 #endif
2235         D = 8 - ((cpc->pllmr[1] >> 16) & 0x7); /* FWDA */
2236 #ifdef DEBUG_CLOCKS_LL
2237         printf("FWDA %01" PRIx32 " %d\n", (cpc->pllmr[1] >> 16) & 0x7, D);
2238 #endif
2239         VCO_out = cpc->sysclk * M * D;
2240         if (VCO_out < 500000000UL || VCO_out > 1000000000UL) {
2241             /* Error - unlock the PLL */
2242             printf("VCO out of range %" PRIu64 "\n", VCO_out);
2243 #if 0
2244             cpc->pllmr[1] &= ~0x80000000;
2245             goto pll_bypass;
2246 #endif
2247         }
2248         PLL_out = VCO_out / D;
2249         /* Pretend the PLL is locked */
2250         cpc->boot |= 0x00000001;
2251     } else {
2252 #if 0
2253     pll_bypass:
2254 #endif
2255         PLL_out = cpc->sysclk;
2256         if (cpc->pllmr[1] & 0x40000000) {
2257             /* Pretend the PLL is not locked */
2258             cpc->boot &= ~0x00000001;
2259         }
2260     }
2261     /* Now, compute all other clocks */
2262     D = ((cpc->pllmr[0] >> 20) & 0x3) + 1; /* CCDV */
2263 #ifdef DEBUG_CLOCKS_LL
2264     printf("CCDV %01" PRIx32 " %d\n", (cpc->pllmr[0] >> 20) & 0x3, D);
2265 #endif
2266     CPU_clk = PLL_out / D;
2267     D = ((cpc->pllmr[0] >> 16) & 0x3) + 1; /* CBDV */
2268 #ifdef DEBUG_CLOCKS_LL
2269     printf("CBDV %01" PRIx32 " %d\n", (cpc->pllmr[0] >> 16) & 0x3, D);
2270 #endif
2271     PLB_clk = CPU_clk / D;
2272     D = ((cpc->pllmr[0] >> 12) & 0x3) + 1; /* OPDV */
2273 #ifdef DEBUG_CLOCKS_LL
2274     printf("OPDV %01" PRIx32 " %d\n", (cpc->pllmr[0] >> 12) & 0x3, D);
2275 #endif
2276     OPB_clk = PLB_clk / D;
2277     D = ((cpc->pllmr[0] >> 8) & 0x3) + 2; /* EPDV */
2278 #ifdef DEBUG_CLOCKS_LL
2279     printf("EPDV %01" PRIx32 " %d\n", (cpc->pllmr[0] >> 8) & 0x3, D);
2280 #endif
2281     EBC_clk = PLB_clk / D;
2282     D = ((cpc->pllmr[0] >> 4) & 0x3) + 1; /* MPDV */
2283 #ifdef DEBUG_CLOCKS_LL
2284     printf("MPDV %01" PRIx32 " %d\n", (cpc->pllmr[0] >> 4) & 0x3, D);
2285 #endif
2286     MAL_clk = PLB_clk / D;
2287     D = (cpc->pllmr[0] & 0x3) + 1; /* PPDV */
2288 #ifdef DEBUG_CLOCKS_LL
2289     printf("PPDV %01" PRIx32 " %d\n", cpc->pllmr[0] & 0x3, D);
2290 #endif
2291     PCI_clk = PLB_clk / D;
2292     D = ((cpc->ucr - 1) & 0x7F) + 1; /* U0DIV */
2293 #ifdef DEBUG_CLOCKS_LL
2294     printf("U0DIV %01" PRIx32 " %d\n", cpc->ucr & 0x7F, D);
2295 #endif
2296     UART0_clk = PLL_out / D;
2297     D = (((cpc->ucr >> 8) - 1) & 0x7F) + 1; /* U1DIV */
2298 #ifdef DEBUG_CLOCKS_LL
2299     printf("U1DIV %01" PRIx32 " %d\n", (cpc->ucr >> 8) & 0x7F, D);
2300 #endif
2301     UART1_clk = PLL_out / D;
2302 #ifdef DEBUG_CLOCKS
2303     printf("Setup PPC405EP clocks - sysclk %" PRIu32 " VCO %" PRIu64
2304            " PLL out %" PRIu64 " Hz\n", cpc->sysclk, VCO_out, PLL_out);
2305     printf("CPU %" PRIu32 " PLB %" PRIu32 " OPB %" PRIu32 " EBC %" PRIu32
2306            " MAL %" PRIu32 " PCI %" PRIu32 " UART0 %" PRIu32
2307            " UART1 %" PRIu32 "\n",
2308            CPU_clk, PLB_clk, OPB_clk, EBC_clk, MAL_clk, PCI_clk,
2309            UART0_clk, UART1_clk);
2310 #endif
2311     /* Setup CPU clocks */
2312     clk_setup(&cpc->clk_setup[PPC405EP_CPU_CLK], CPU_clk);
2313     /* Setup PLB clock */
2314     clk_setup(&cpc->clk_setup[PPC405EP_PLB_CLK], PLB_clk);
2315     /* Setup OPB clock */
2316     clk_setup(&cpc->clk_setup[PPC405EP_OPB_CLK], OPB_clk);
2317     /* Setup external clock */
2318     clk_setup(&cpc->clk_setup[PPC405EP_EBC_CLK], EBC_clk);
2319     /* Setup MAL clock */
2320     clk_setup(&cpc->clk_setup[PPC405EP_MAL_CLK], MAL_clk);
2321     /* Setup PCI clock */
2322     clk_setup(&cpc->clk_setup[PPC405EP_PCI_CLK], PCI_clk);
2323     /* Setup UART0 clock */
2324     clk_setup(&cpc->clk_setup[PPC405EP_UART0_CLK], UART0_clk);
2325     /* Setup UART1 clock */
2326     clk_setup(&cpc->clk_setup[PPC405EP_UART1_CLK], UART1_clk);
2327 }
2328 
2329 static uint32_t dcr_read_epcpc (void *opaque, int dcrn)
2330 {
2331     ppc405ep_cpc_t *cpc;
2332     uint32_t ret;
2333 
2334     cpc = opaque;
2335     switch (dcrn) {
2336     case PPC405EP_CPC0_BOOT:
2337         ret = cpc->boot;
2338         break;
2339     case PPC405EP_CPC0_EPCTL:
2340         ret = cpc->epctl;
2341         break;
2342     case PPC405EP_CPC0_PLLMR0:
2343         ret = cpc->pllmr[0];
2344         break;
2345     case PPC405EP_CPC0_PLLMR1:
2346         ret = cpc->pllmr[1];
2347         break;
2348     case PPC405EP_CPC0_UCR:
2349         ret = cpc->ucr;
2350         break;
2351     case PPC405EP_CPC0_SRR:
2352         ret = cpc->srr;
2353         break;
2354     case PPC405EP_CPC0_JTAGID:
2355         ret = cpc->jtagid;
2356         break;
2357     case PPC405EP_CPC0_PCI:
2358         ret = cpc->pci;
2359         break;
2360     default:
2361         /* Avoid gcc warning */
2362         ret = 0;
2363         break;
2364     }
2365 
2366     return ret;
2367 }
2368 
2369 static void dcr_write_epcpc (void *opaque, int dcrn, uint32_t val)
2370 {
2371     ppc405ep_cpc_t *cpc;
2372 
2373     cpc = opaque;
2374     switch (dcrn) {
2375     case PPC405EP_CPC0_BOOT:
2376         /* Read-only register */
2377         break;
2378     case PPC405EP_CPC0_EPCTL:
2379         /* Don't care for now */
2380         cpc->epctl = val & 0xC00000F3;
2381         break;
2382     case PPC405EP_CPC0_PLLMR0:
2383         cpc->pllmr[0] = val & 0x00633333;
2384         ppc405ep_compute_clocks(cpc);
2385         break;
2386     case PPC405EP_CPC0_PLLMR1:
2387         cpc->pllmr[1] = val & 0xC0F73FFF;
2388         ppc405ep_compute_clocks(cpc);
2389         break;
2390     case PPC405EP_CPC0_UCR:
2391         /* UART control - don't care for now */
2392         cpc->ucr = val & 0x003F7F7F;
2393         break;
2394     case PPC405EP_CPC0_SRR:
2395         cpc->srr = val;
2396         break;
2397     case PPC405EP_CPC0_JTAGID:
2398         /* Read-only */
2399         break;
2400     case PPC405EP_CPC0_PCI:
2401         cpc->pci = val;
2402         break;
2403     }
2404 }
2405 
2406 static void ppc405ep_cpc_reset (void *opaque)
2407 {
2408     ppc405ep_cpc_t *cpc = opaque;
2409 
2410     cpc->boot = 0x00000010;     /* Boot from PCI - IIC EEPROM disabled */
2411     cpc->epctl = 0x00000000;
2412     cpc->pllmr[0] = 0x00011010;
2413     cpc->pllmr[1] = 0x40000000;
2414     cpc->ucr = 0x00000000;
2415     cpc->srr = 0x00040000;
2416     cpc->pci = 0x00000000;
2417     cpc->er = 0x00000000;
2418     cpc->fr = 0x00000000;
2419     cpc->sr = 0x00000000;
2420     ppc405ep_compute_clocks(cpc);
2421 }
2422 
2423 /* XXX: sysclk should be between 25 and 100 MHz */
2424 static void ppc405ep_cpc_init (CPUPPCState *env, clk_setup_t clk_setup[8],
2425                                uint32_t sysclk)
2426 {
2427     ppc405ep_cpc_t *cpc;
2428 
2429     cpc = g_malloc0(sizeof(ppc405ep_cpc_t));
2430     memcpy(cpc->clk_setup, clk_setup,
2431            PPC405EP_CLK_NB * sizeof(clk_setup_t));
2432     cpc->jtagid = 0x20267049;
2433     cpc->sysclk = sysclk;
2434     qemu_register_reset(&ppc405ep_cpc_reset, cpc);
2435     ppc_dcr_register(env, PPC405EP_CPC0_BOOT, cpc,
2436                      &dcr_read_epcpc, &dcr_write_epcpc);
2437     ppc_dcr_register(env, PPC405EP_CPC0_EPCTL, cpc,
2438                      &dcr_read_epcpc, &dcr_write_epcpc);
2439     ppc_dcr_register(env, PPC405EP_CPC0_PLLMR0, cpc,
2440                      &dcr_read_epcpc, &dcr_write_epcpc);
2441     ppc_dcr_register(env, PPC405EP_CPC0_PLLMR1, cpc,
2442                      &dcr_read_epcpc, &dcr_write_epcpc);
2443     ppc_dcr_register(env, PPC405EP_CPC0_UCR, cpc,
2444                      &dcr_read_epcpc, &dcr_write_epcpc);
2445     ppc_dcr_register(env, PPC405EP_CPC0_SRR, cpc,
2446                      &dcr_read_epcpc, &dcr_write_epcpc);
2447     ppc_dcr_register(env, PPC405EP_CPC0_JTAGID, cpc,
2448                      &dcr_read_epcpc, &dcr_write_epcpc);
2449     ppc_dcr_register(env, PPC405EP_CPC0_PCI, cpc,
2450                      &dcr_read_epcpc, &dcr_write_epcpc);
2451 #if 0
2452     ppc_dcr_register(env, PPC405EP_CPC0_ER, cpc,
2453                      &dcr_read_epcpc, &dcr_write_epcpc);
2454     ppc_dcr_register(env, PPC405EP_CPC0_FR, cpc,
2455                      &dcr_read_epcpc, &dcr_write_epcpc);
2456     ppc_dcr_register(env, PPC405EP_CPC0_SR, cpc,
2457                      &dcr_read_epcpc, &dcr_write_epcpc);
2458 #endif
2459 }
2460 
2461 CPUPPCState *ppc405ep_init(MemoryRegion *address_space_mem,
2462                         MemoryRegion ram_memories[2],
2463                         hwaddr ram_bases[2],
2464                         hwaddr ram_sizes[2],
2465                         uint32_t sysclk, qemu_irq **picp,
2466                         int do_init)
2467 {
2468     clk_setup_t clk_setup[PPC405EP_CLK_NB], tlb_clk_setup;
2469     qemu_irq dma_irqs[4], gpt_irqs[5], mal_irqs[4];
2470     PowerPCCPU *cpu;
2471     CPUPPCState *env;
2472     qemu_irq *pic, *irqs;
2473 
2474     memset(clk_setup, 0, sizeof(clk_setup));
2475     /* init CPUs */
2476     cpu = ppc4xx_init("405ep", &clk_setup[PPC405EP_CPU_CLK],
2477                       &tlb_clk_setup, sysclk);
2478     env = &cpu->env;
2479     clk_setup[PPC405EP_CPU_CLK].cb = tlb_clk_setup.cb;
2480     clk_setup[PPC405EP_CPU_CLK].opaque = tlb_clk_setup.opaque;
2481     /* Internal devices init */
2482     /* Memory mapped devices registers */
2483     /* PLB arbitrer */
2484     ppc4xx_plb_init(env);
2485     /* PLB to OPB bridge */
2486     ppc4xx_pob_init(env);
2487     /* OBP arbitrer */
2488     ppc4xx_opba_init(0xef600600);
2489     /* Initialize timers */
2490     ppc_booke_timers_init(cpu, sysclk, 0);
2491     /* Universal interrupt controller */
2492     irqs = g_malloc0(sizeof(qemu_irq) * PPCUIC_OUTPUT_NB);
2493     irqs[PPCUIC_OUTPUT_INT] =
2494         ((qemu_irq *)env->irq_inputs)[PPC40x_INPUT_INT];
2495     irqs[PPCUIC_OUTPUT_CINT] =
2496         ((qemu_irq *)env->irq_inputs)[PPC40x_INPUT_CINT];
2497     pic = ppcuic_init(env, irqs, 0x0C0, 0, 1);
2498     *picp = pic;
2499     /* SDRAM controller */
2500 	/* XXX 405EP has no ECC interrupt */
2501     ppc4xx_sdram_init(env, pic[17], 2, ram_memories,
2502                       ram_bases, ram_sizes, do_init);
2503     /* External bus controller */
2504     ppc405_ebc_init(env);
2505     /* DMA controller */
2506     dma_irqs[0] = pic[5];
2507     dma_irqs[1] = pic[6];
2508     dma_irqs[2] = pic[7];
2509     dma_irqs[3] = pic[8];
2510     ppc405_dma_init(env, dma_irqs);
2511     /* IIC controller */
2512     ppc405_i2c_init(0xef600500, pic[2]);
2513     /* GPIO */
2514     ppc405_gpio_init(0xef600700);
2515     /* Serial ports */
2516     if (serial_hds[0] != NULL) {
2517         serial_mm_init(address_space_mem, 0xef600300, 0, pic[0],
2518                        PPC_SERIAL_MM_BAUDBASE, serial_hds[0],
2519                        DEVICE_BIG_ENDIAN);
2520     }
2521     if (serial_hds[1] != NULL) {
2522         serial_mm_init(address_space_mem, 0xef600400, 0, pic[1],
2523                        PPC_SERIAL_MM_BAUDBASE, serial_hds[1],
2524                        DEVICE_BIG_ENDIAN);
2525     }
2526     /* OCM */
2527     ppc405_ocm_init(env);
2528     /* GPT */
2529     gpt_irqs[0] = pic[19];
2530     gpt_irqs[1] = pic[20];
2531     gpt_irqs[2] = pic[21];
2532     gpt_irqs[3] = pic[22];
2533     gpt_irqs[4] = pic[23];
2534     ppc4xx_gpt_init(0xef600000, gpt_irqs);
2535     /* PCI */
2536     /* Uses pic[3], pic[16], pic[18] */
2537     /* MAL */
2538     mal_irqs[0] = pic[11];
2539     mal_irqs[1] = pic[12];
2540     mal_irqs[2] = pic[13];
2541     mal_irqs[3] = pic[14];
2542     ppc405_mal_init(env, mal_irqs);
2543     /* Ethernet */
2544     /* Uses pic[9], pic[15], pic[17] */
2545     /* CPU control */
2546     ppc405ep_cpc_init(env, clk_setup, sysclk);
2547 
2548     return env;
2549 }
2550