xref: /openbmc/qemu/hw/ppc/ppc405_uc.c (revision e1fe50dc)
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     ram_addr_t bdloc;
48     int i, n;
49 
50     /* We put the bd structure at the top of memory */
51     if (bd->bi_memsize >= 0x01000000UL)
52         bdloc = 0x01000000UL - sizeof(struct ppc4xx_bd_info_t);
53     else
54         bdloc = bd->bi_memsize - sizeof(struct ppc4xx_bd_info_t);
55     stl_be_phys(bdloc + 0x00, bd->bi_memstart);
56     stl_be_phys(bdloc + 0x04, bd->bi_memsize);
57     stl_be_phys(bdloc + 0x08, bd->bi_flashstart);
58     stl_be_phys(bdloc + 0x0C, bd->bi_flashsize);
59     stl_be_phys(bdloc + 0x10, bd->bi_flashoffset);
60     stl_be_phys(bdloc + 0x14, bd->bi_sramstart);
61     stl_be_phys(bdloc + 0x18, bd->bi_sramsize);
62     stl_be_phys(bdloc + 0x1C, bd->bi_bootflags);
63     stl_be_phys(bdloc + 0x20, bd->bi_ipaddr);
64     for (i = 0; i < 6; i++) {
65         stb_phys(bdloc + 0x24 + i, bd->bi_enetaddr[i]);
66     }
67     stw_be_phys(bdloc + 0x2A, bd->bi_ethspeed);
68     stl_be_phys(bdloc + 0x2C, bd->bi_intfreq);
69     stl_be_phys(bdloc + 0x30, bd->bi_busfreq);
70     stl_be_phys(bdloc + 0x34, bd->bi_baudrate);
71     for (i = 0; i < 4; i++) {
72         stb_phys(bdloc + 0x38 + i, bd->bi_s_version[i]);
73     }
74     for (i = 0; i < 32; i++) {
75         stb_phys(bdloc + 0x3C + i, bd->bi_r_version[i]);
76     }
77     stl_be_phys(bdloc + 0x5C, bd->bi_plb_busfreq);
78     stl_be_phys(bdloc + 0x60, bd->bi_pci_busfreq);
79     for (i = 0; i < 6; i++) {
80         stb_phys(bdloc + 0x64 + i, bd->bi_pci_enetaddr[i]);
81     }
82     n = 0x6A;
83     if (flags & 0x00000001) {
84         for (i = 0; i < 6; i++)
85             stb_phys(bdloc + n++, bd->bi_pci_enetaddr2[i]);
86     }
87     stl_be_phys(bdloc + n, bd->bi_opbfreq);
88     n += 4;
89     for (i = 0; i < 2; i++) {
90         stl_be_phys(bdloc + n, bd->bi_iic_fast[i]);
91         n += 4;
92     }
93 
94     return bdloc;
95 }
96 
97 /*****************************************************************************/
98 /* Shared peripherals */
99 
100 /*****************************************************************************/
101 /* Peripheral local bus arbitrer */
102 enum {
103     PLB0_BESR = 0x084,
104     PLB0_BEAR = 0x086,
105     PLB0_ACR  = 0x087,
106 };
107 
108 typedef struct ppc4xx_plb_t ppc4xx_plb_t;
109 struct ppc4xx_plb_t {
110     uint32_t acr;
111     uint32_t bear;
112     uint32_t besr;
113 };
114 
115 static uint32_t dcr_read_plb (void *opaque, int dcrn)
116 {
117     ppc4xx_plb_t *plb;
118     uint32_t ret;
119 
120     plb = opaque;
121     switch (dcrn) {
122     case PLB0_ACR:
123         ret = plb->acr;
124         break;
125     case PLB0_BEAR:
126         ret = plb->bear;
127         break;
128     case PLB0_BESR:
129         ret = plb->besr;
130         break;
131     default:
132         /* Avoid gcc warning */
133         ret = 0;
134         break;
135     }
136 
137     return ret;
138 }
139 
140 static void dcr_write_plb (void *opaque, int dcrn, uint32_t val)
141 {
142     ppc4xx_plb_t *plb;
143 
144     plb = opaque;
145     switch (dcrn) {
146     case PLB0_ACR:
147         /* We don't care about the actual parameters written as
148          * we don't manage any priorities on the bus
149          */
150         plb->acr = val & 0xF8000000;
151         break;
152     case PLB0_BEAR:
153         /* Read only */
154         break;
155     case PLB0_BESR:
156         /* Write-clear */
157         plb->besr &= ~val;
158         break;
159     }
160 }
161 
162 static void ppc4xx_plb_reset (void *opaque)
163 {
164     ppc4xx_plb_t *plb;
165 
166     plb = opaque;
167     plb->acr = 0x00000000;
168     plb->bear = 0x00000000;
169     plb->besr = 0x00000000;
170 }
171 
172 static void ppc4xx_plb_init(CPUPPCState *env)
173 {
174     ppc4xx_plb_t *plb;
175 
176     plb = g_malloc0(sizeof(ppc4xx_plb_t));
177     ppc_dcr_register(env, PLB0_ACR, plb, &dcr_read_plb, &dcr_write_plb);
178     ppc_dcr_register(env, PLB0_BEAR, plb, &dcr_read_plb, &dcr_write_plb);
179     ppc_dcr_register(env, PLB0_BESR, plb, &dcr_read_plb, &dcr_write_plb);
180     qemu_register_reset(ppc4xx_plb_reset, plb);
181 }
182 
183 /*****************************************************************************/
184 /* PLB to OPB bridge */
185 enum {
186     POB0_BESR0 = 0x0A0,
187     POB0_BESR1 = 0x0A2,
188     POB0_BEAR  = 0x0A4,
189 };
190 
191 typedef struct ppc4xx_pob_t ppc4xx_pob_t;
192 struct ppc4xx_pob_t {
193     uint32_t bear;
194     uint32_t besr0;
195     uint32_t besr1;
196 };
197 
198 static uint32_t dcr_read_pob (void *opaque, int dcrn)
199 {
200     ppc4xx_pob_t *pob;
201     uint32_t ret;
202 
203     pob = opaque;
204     switch (dcrn) {
205     case POB0_BEAR:
206         ret = pob->bear;
207         break;
208     case POB0_BESR0:
209         ret = pob->besr0;
210         break;
211     case POB0_BESR1:
212         ret = pob->besr1;
213         break;
214     default:
215         /* Avoid gcc warning */
216         ret = 0;
217         break;
218     }
219 
220     return ret;
221 }
222 
223 static void dcr_write_pob (void *opaque, int dcrn, uint32_t val)
224 {
225     ppc4xx_pob_t *pob;
226 
227     pob = opaque;
228     switch (dcrn) {
229     case POB0_BEAR:
230         /* Read only */
231         break;
232     case POB0_BESR0:
233         /* Write-clear */
234         pob->besr0 &= ~val;
235         break;
236     case POB0_BESR1:
237         /* Write-clear */
238         pob->besr1 &= ~val;
239         break;
240     }
241 }
242 
243 static void ppc4xx_pob_reset (void *opaque)
244 {
245     ppc4xx_pob_t *pob;
246 
247     pob = opaque;
248     /* No error */
249     pob->bear = 0x00000000;
250     pob->besr0 = 0x0000000;
251     pob->besr1 = 0x0000000;
252 }
253 
254 static void ppc4xx_pob_init(CPUPPCState *env)
255 {
256     ppc4xx_pob_t *pob;
257 
258     pob = g_malloc0(sizeof(ppc4xx_pob_t));
259     ppc_dcr_register(env, POB0_BEAR, pob, &dcr_read_pob, &dcr_write_pob);
260     ppc_dcr_register(env, POB0_BESR0, pob, &dcr_read_pob, &dcr_write_pob);
261     ppc_dcr_register(env, POB0_BESR1, pob, &dcr_read_pob, &dcr_write_pob);
262     qemu_register_reset(ppc4xx_pob_reset, pob);
263 }
264 
265 /*****************************************************************************/
266 /* OPB arbitrer */
267 typedef struct ppc4xx_opba_t ppc4xx_opba_t;
268 struct ppc4xx_opba_t {
269     MemoryRegion io;
270     uint8_t cr;
271     uint8_t pr;
272 };
273 
274 static uint32_t opba_readb (void *opaque, hwaddr addr)
275 {
276     ppc4xx_opba_t *opba;
277     uint32_t ret;
278 
279 #ifdef DEBUG_OPBA
280     printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
281 #endif
282     opba = opaque;
283     switch (addr) {
284     case 0x00:
285         ret = opba->cr;
286         break;
287     case 0x01:
288         ret = opba->pr;
289         break;
290     default:
291         ret = 0x00;
292         break;
293     }
294 
295     return ret;
296 }
297 
298 static void opba_writeb (void *opaque,
299                          hwaddr addr, uint32_t value)
300 {
301     ppc4xx_opba_t *opba;
302 
303 #ifdef DEBUG_OPBA
304     printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
305            value);
306 #endif
307     opba = opaque;
308     switch (addr) {
309     case 0x00:
310         opba->cr = value & 0xF8;
311         break;
312     case 0x01:
313         opba->pr = value & 0xFF;
314         break;
315     default:
316         break;
317     }
318 }
319 
320 static uint32_t opba_readw (void *opaque, hwaddr addr)
321 {
322     uint32_t ret;
323 
324 #ifdef DEBUG_OPBA
325     printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
326 #endif
327     ret = opba_readb(opaque, addr) << 8;
328     ret |= opba_readb(opaque, addr + 1);
329 
330     return ret;
331 }
332 
333 static void opba_writew (void *opaque,
334                          hwaddr addr, uint32_t value)
335 {
336 #ifdef DEBUG_OPBA
337     printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
338            value);
339 #endif
340     opba_writeb(opaque, addr, value >> 8);
341     opba_writeb(opaque, addr + 1, value);
342 }
343 
344 static uint32_t opba_readl (void *opaque, hwaddr addr)
345 {
346     uint32_t ret;
347 
348 #ifdef DEBUG_OPBA
349     printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
350 #endif
351     ret = opba_readb(opaque, addr) << 24;
352     ret |= opba_readb(opaque, addr + 1) << 16;
353 
354     return ret;
355 }
356 
357 static void opba_writel (void *opaque,
358                          hwaddr addr, uint32_t value)
359 {
360 #ifdef DEBUG_OPBA
361     printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
362            value);
363 #endif
364     opba_writeb(opaque, addr, value >> 24);
365     opba_writeb(opaque, addr + 1, value >> 16);
366 }
367 
368 static const MemoryRegionOps opba_ops = {
369     .old_mmio = {
370         .read = { opba_readb, opba_readw, opba_readl, },
371         .write = { opba_writeb, opba_writew, opba_writel, },
372     },
373     .endianness = DEVICE_NATIVE_ENDIAN,
374 };
375 
376 static void ppc4xx_opba_reset (void *opaque)
377 {
378     ppc4xx_opba_t *opba;
379 
380     opba = opaque;
381     opba->cr = 0x00; /* No dynamic priorities - park disabled */
382     opba->pr = 0x11;
383 }
384 
385 static void ppc4xx_opba_init(hwaddr base)
386 {
387     ppc4xx_opba_t *opba;
388 
389     opba = g_malloc0(sizeof(ppc4xx_opba_t));
390 #ifdef DEBUG_OPBA
391     printf("%s: offset " TARGET_FMT_plx "\n", __func__, base);
392 #endif
393     memory_region_init_io(&opba->io, &opba_ops, opba, "opba", 0x002);
394     memory_region_add_subregion(get_system_memory(), base, &opba->io);
395     qemu_register_reset(ppc4xx_opba_reset, opba);
396 }
397 
398 /*****************************************************************************/
399 /* Code decompression controller */
400 /* XXX: TODO */
401 
402 /*****************************************************************************/
403 /* Peripheral controller */
404 typedef struct ppc4xx_ebc_t ppc4xx_ebc_t;
405 struct ppc4xx_ebc_t {
406     uint32_t addr;
407     uint32_t bcr[8];
408     uint32_t bap[8];
409     uint32_t bear;
410     uint32_t besr0;
411     uint32_t besr1;
412     uint32_t cfg;
413 };
414 
415 enum {
416     EBC0_CFGADDR = 0x012,
417     EBC0_CFGDATA = 0x013,
418 };
419 
420 static uint32_t dcr_read_ebc (void *opaque, int dcrn)
421 {
422     ppc4xx_ebc_t *ebc;
423     uint32_t ret;
424 
425     ebc = opaque;
426     switch (dcrn) {
427     case EBC0_CFGADDR:
428         ret = ebc->addr;
429         break;
430     case EBC0_CFGDATA:
431         switch (ebc->addr) {
432         case 0x00: /* B0CR */
433             ret = ebc->bcr[0];
434             break;
435         case 0x01: /* B1CR */
436             ret = ebc->bcr[1];
437             break;
438         case 0x02: /* B2CR */
439             ret = ebc->bcr[2];
440             break;
441         case 0x03: /* B3CR */
442             ret = ebc->bcr[3];
443             break;
444         case 0x04: /* B4CR */
445             ret = ebc->bcr[4];
446             break;
447         case 0x05: /* B5CR */
448             ret = ebc->bcr[5];
449             break;
450         case 0x06: /* B6CR */
451             ret = ebc->bcr[6];
452             break;
453         case 0x07: /* B7CR */
454             ret = ebc->bcr[7];
455             break;
456         case 0x10: /* B0AP */
457             ret = ebc->bap[0];
458             break;
459         case 0x11: /* B1AP */
460             ret = ebc->bap[1];
461             break;
462         case 0x12: /* B2AP */
463             ret = ebc->bap[2];
464             break;
465         case 0x13: /* B3AP */
466             ret = ebc->bap[3];
467             break;
468         case 0x14: /* B4AP */
469             ret = ebc->bap[4];
470             break;
471         case 0x15: /* B5AP */
472             ret = ebc->bap[5];
473             break;
474         case 0x16: /* B6AP */
475             ret = ebc->bap[6];
476             break;
477         case 0x17: /* B7AP */
478             ret = ebc->bap[7];
479             break;
480         case 0x20: /* BEAR */
481             ret = ebc->bear;
482             break;
483         case 0x21: /* BESR0 */
484             ret = ebc->besr0;
485             break;
486         case 0x22: /* BESR1 */
487             ret = ebc->besr1;
488             break;
489         case 0x23: /* CFG */
490             ret = ebc->cfg;
491             break;
492         default:
493             ret = 0x00000000;
494             break;
495         }
496         break;
497     default:
498         ret = 0x00000000;
499         break;
500     }
501 
502     return ret;
503 }
504 
505 static void dcr_write_ebc (void *opaque, int dcrn, uint32_t val)
506 {
507     ppc4xx_ebc_t *ebc;
508 
509     ebc = opaque;
510     switch (dcrn) {
511     case EBC0_CFGADDR:
512         ebc->addr = val;
513         break;
514     case EBC0_CFGDATA:
515         switch (ebc->addr) {
516         case 0x00: /* B0CR */
517             break;
518         case 0x01: /* B1CR */
519             break;
520         case 0x02: /* B2CR */
521             break;
522         case 0x03: /* B3CR */
523             break;
524         case 0x04: /* B4CR */
525             break;
526         case 0x05: /* B5CR */
527             break;
528         case 0x06: /* B6CR */
529             break;
530         case 0x07: /* B7CR */
531             break;
532         case 0x10: /* B0AP */
533             break;
534         case 0x11: /* B1AP */
535             break;
536         case 0x12: /* B2AP */
537             break;
538         case 0x13: /* B3AP */
539             break;
540         case 0x14: /* B4AP */
541             break;
542         case 0x15: /* B5AP */
543             break;
544         case 0x16: /* B6AP */
545             break;
546         case 0x17: /* B7AP */
547             break;
548         case 0x20: /* BEAR */
549             break;
550         case 0x21: /* BESR0 */
551             break;
552         case 0x22: /* BESR1 */
553             break;
554         case 0x23: /* CFG */
555             break;
556         default:
557             break;
558         }
559         break;
560     default:
561         break;
562     }
563 }
564 
565 static void ebc_reset (void *opaque)
566 {
567     ppc4xx_ebc_t *ebc;
568     int i;
569 
570     ebc = opaque;
571     ebc->addr = 0x00000000;
572     ebc->bap[0] = 0x7F8FFE80;
573     ebc->bcr[0] = 0xFFE28000;
574     for (i = 0; i < 8; i++) {
575         ebc->bap[i] = 0x00000000;
576         ebc->bcr[i] = 0x00000000;
577     }
578     ebc->besr0 = 0x00000000;
579     ebc->besr1 = 0x00000000;
580     ebc->cfg = 0x80400000;
581 }
582 
583 static void ppc405_ebc_init(CPUPPCState *env)
584 {
585     ppc4xx_ebc_t *ebc;
586 
587     ebc = g_malloc0(sizeof(ppc4xx_ebc_t));
588     qemu_register_reset(&ebc_reset, ebc);
589     ppc_dcr_register(env, EBC0_CFGADDR,
590                      ebc, &dcr_read_ebc, &dcr_write_ebc);
591     ppc_dcr_register(env, EBC0_CFGDATA,
592                      ebc, &dcr_read_ebc, &dcr_write_ebc);
593 }
594 
595 /*****************************************************************************/
596 /* DMA controller */
597 enum {
598     DMA0_CR0 = 0x100,
599     DMA0_CT0 = 0x101,
600     DMA0_DA0 = 0x102,
601     DMA0_SA0 = 0x103,
602     DMA0_SG0 = 0x104,
603     DMA0_CR1 = 0x108,
604     DMA0_CT1 = 0x109,
605     DMA0_DA1 = 0x10A,
606     DMA0_SA1 = 0x10B,
607     DMA0_SG1 = 0x10C,
608     DMA0_CR2 = 0x110,
609     DMA0_CT2 = 0x111,
610     DMA0_DA2 = 0x112,
611     DMA0_SA2 = 0x113,
612     DMA0_SG2 = 0x114,
613     DMA0_CR3 = 0x118,
614     DMA0_CT3 = 0x119,
615     DMA0_DA3 = 0x11A,
616     DMA0_SA3 = 0x11B,
617     DMA0_SG3 = 0x11C,
618     DMA0_SR  = 0x120,
619     DMA0_SGC = 0x123,
620     DMA0_SLP = 0x125,
621     DMA0_POL = 0x126,
622 };
623 
624 typedef struct ppc405_dma_t ppc405_dma_t;
625 struct ppc405_dma_t {
626     qemu_irq irqs[4];
627     uint32_t cr[4];
628     uint32_t ct[4];
629     uint32_t da[4];
630     uint32_t sa[4];
631     uint32_t sg[4];
632     uint32_t sr;
633     uint32_t sgc;
634     uint32_t slp;
635     uint32_t pol;
636 };
637 
638 static uint32_t dcr_read_dma (void *opaque, int dcrn)
639 {
640     return 0;
641 }
642 
643 static void dcr_write_dma (void *opaque, int dcrn, uint32_t val)
644 {
645 }
646 
647 static void ppc405_dma_reset (void *opaque)
648 {
649     ppc405_dma_t *dma;
650     int i;
651 
652     dma = opaque;
653     for (i = 0; i < 4; i++) {
654         dma->cr[i] = 0x00000000;
655         dma->ct[i] = 0x00000000;
656         dma->da[i] = 0x00000000;
657         dma->sa[i] = 0x00000000;
658         dma->sg[i] = 0x00000000;
659     }
660     dma->sr = 0x00000000;
661     dma->sgc = 0x00000000;
662     dma->slp = 0x7C000000;
663     dma->pol = 0x00000000;
664 }
665 
666 static void ppc405_dma_init(CPUPPCState *env, qemu_irq irqs[4])
667 {
668     ppc405_dma_t *dma;
669 
670     dma = g_malloc0(sizeof(ppc405_dma_t));
671     memcpy(dma->irqs, irqs, 4 * sizeof(qemu_irq));
672     qemu_register_reset(&ppc405_dma_reset, dma);
673     ppc_dcr_register(env, DMA0_CR0,
674                      dma, &dcr_read_dma, &dcr_write_dma);
675     ppc_dcr_register(env, DMA0_CT0,
676                      dma, &dcr_read_dma, &dcr_write_dma);
677     ppc_dcr_register(env, DMA0_DA0,
678                      dma, &dcr_read_dma, &dcr_write_dma);
679     ppc_dcr_register(env, DMA0_SA0,
680                      dma, &dcr_read_dma, &dcr_write_dma);
681     ppc_dcr_register(env, DMA0_SG0,
682                      dma, &dcr_read_dma, &dcr_write_dma);
683     ppc_dcr_register(env, DMA0_CR1,
684                      dma, &dcr_read_dma, &dcr_write_dma);
685     ppc_dcr_register(env, DMA0_CT1,
686                      dma, &dcr_read_dma, &dcr_write_dma);
687     ppc_dcr_register(env, DMA0_DA1,
688                      dma, &dcr_read_dma, &dcr_write_dma);
689     ppc_dcr_register(env, DMA0_SA1,
690                      dma, &dcr_read_dma, &dcr_write_dma);
691     ppc_dcr_register(env, DMA0_SG1,
692                      dma, &dcr_read_dma, &dcr_write_dma);
693     ppc_dcr_register(env, DMA0_CR2,
694                      dma, &dcr_read_dma, &dcr_write_dma);
695     ppc_dcr_register(env, DMA0_CT2,
696                      dma, &dcr_read_dma, &dcr_write_dma);
697     ppc_dcr_register(env, DMA0_DA2,
698                      dma, &dcr_read_dma, &dcr_write_dma);
699     ppc_dcr_register(env, DMA0_SA2,
700                      dma, &dcr_read_dma, &dcr_write_dma);
701     ppc_dcr_register(env, DMA0_SG2,
702                      dma, &dcr_read_dma, &dcr_write_dma);
703     ppc_dcr_register(env, DMA0_CR3,
704                      dma, &dcr_read_dma, &dcr_write_dma);
705     ppc_dcr_register(env, DMA0_CT3,
706                      dma, &dcr_read_dma, &dcr_write_dma);
707     ppc_dcr_register(env, DMA0_DA3,
708                      dma, &dcr_read_dma, &dcr_write_dma);
709     ppc_dcr_register(env, DMA0_SA3,
710                      dma, &dcr_read_dma, &dcr_write_dma);
711     ppc_dcr_register(env, DMA0_SG3,
712                      dma, &dcr_read_dma, &dcr_write_dma);
713     ppc_dcr_register(env, DMA0_SR,
714                      dma, &dcr_read_dma, &dcr_write_dma);
715     ppc_dcr_register(env, DMA0_SGC,
716                      dma, &dcr_read_dma, &dcr_write_dma);
717     ppc_dcr_register(env, DMA0_SLP,
718                      dma, &dcr_read_dma, &dcr_write_dma);
719     ppc_dcr_register(env, DMA0_POL,
720                      dma, &dcr_read_dma, &dcr_write_dma);
721 }
722 
723 /*****************************************************************************/
724 /* GPIO */
725 typedef struct ppc405_gpio_t ppc405_gpio_t;
726 struct ppc405_gpio_t {
727     MemoryRegion io;
728     uint32_t or;
729     uint32_t tcr;
730     uint32_t osrh;
731     uint32_t osrl;
732     uint32_t tsrh;
733     uint32_t tsrl;
734     uint32_t odr;
735     uint32_t ir;
736     uint32_t rr1;
737     uint32_t isr1h;
738     uint32_t isr1l;
739 };
740 
741 static uint32_t ppc405_gpio_readb (void *opaque, hwaddr addr)
742 {
743 #ifdef DEBUG_GPIO
744     printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
745 #endif
746 
747     return 0;
748 }
749 
750 static void ppc405_gpio_writeb (void *opaque,
751                                 hwaddr addr, uint32_t value)
752 {
753 #ifdef DEBUG_GPIO
754     printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
755            value);
756 #endif
757 }
758 
759 static uint32_t ppc405_gpio_readw (void *opaque, hwaddr addr)
760 {
761 #ifdef DEBUG_GPIO
762     printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
763 #endif
764 
765     return 0;
766 }
767 
768 static void ppc405_gpio_writew (void *opaque,
769                                 hwaddr addr, uint32_t value)
770 {
771 #ifdef DEBUG_GPIO
772     printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
773            value);
774 #endif
775 }
776 
777 static uint32_t ppc405_gpio_readl (void *opaque, hwaddr addr)
778 {
779 #ifdef DEBUG_GPIO
780     printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
781 #endif
782 
783     return 0;
784 }
785 
786 static void ppc405_gpio_writel (void *opaque,
787                                 hwaddr addr, uint32_t value)
788 {
789 #ifdef DEBUG_GPIO
790     printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
791            value);
792 #endif
793 }
794 
795 static const MemoryRegionOps ppc405_gpio_ops = {
796     .old_mmio = {
797         .read = { ppc405_gpio_readb, ppc405_gpio_readw, ppc405_gpio_readl, },
798         .write = { ppc405_gpio_writeb, ppc405_gpio_writew, ppc405_gpio_writel, },
799     },
800     .endianness = DEVICE_NATIVE_ENDIAN,
801 };
802 
803 static void ppc405_gpio_reset (void *opaque)
804 {
805 }
806 
807 static void ppc405_gpio_init(hwaddr base)
808 {
809     ppc405_gpio_t *gpio;
810 
811     gpio = g_malloc0(sizeof(ppc405_gpio_t));
812 #ifdef DEBUG_GPIO
813     printf("%s: offset " TARGET_FMT_plx "\n", __func__, base);
814 #endif
815     memory_region_init_io(&gpio->io, &ppc405_gpio_ops, gpio, "pgio", 0x038);
816     memory_region_add_subregion(get_system_memory(), base, &gpio->io);
817     qemu_register_reset(&ppc405_gpio_reset, gpio);
818 }
819 
820 /*****************************************************************************/
821 /* On Chip Memory */
822 enum {
823     OCM0_ISARC   = 0x018,
824     OCM0_ISACNTL = 0x019,
825     OCM0_DSARC   = 0x01A,
826     OCM0_DSACNTL = 0x01B,
827 };
828 
829 typedef struct ppc405_ocm_t ppc405_ocm_t;
830 struct ppc405_ocm_t {
831     MemoryRegion ram;
832     MemoryRegion isarc_ram;
833     MemoryRegion dsarc_ram;
834     uint32_t isarc;
835     uint32_t isacntl;
836     uint32_t dsarc;
837     uint32_t dsacntl;
838 };
839 
840 static void ocm_update_mappings (ppc405_ocm_t *ocm,
841                                  uint32_t isarc, uint32_t isacntl,
842                                  uint32_t dsarc, uint32_t dsacntl)
843 {
844 #ifdef DEBUG_OCM
845     printf("OCM update ISA %08" PRIx32 " %08" PRIx32 " (%08" PRIx32
846            " %08" PRIx32 ") DSA %08" PRIx32 " %08" PRIx32
847            " (%08" PRIx32 " %08" PRIx32 ")\n",
848            isarc, isacntl, dsarc, dsacntl,
849            ocm->isarc, ocm->isacntl, ocm->dsarc, ocm->dsacntl);
850 #endif
851     if (ocm->isarc != isarc ||
852         (ocm->isacntl & 0x80000000) != (isacntl & 0x80000000)) {
853         if (ocm->isacntl & 0x80000000) {
854             /* Unmap previously assigned memory region */
855             printf("OCM unmap ISA %08" PRIx32 "\n", ocm->isarc);
856             memory_region_del_subregion(get_system_memory(), &ocm->isarc_ram);
857         }
858         if (isacntl & 0x80000000) {
859             /* Map new instruction memory region */
860 #ifdef DEBUG_OCM
861             printf("OCM map ISA %08" PRIx32 "\n", isarc);
862 #endif
863             memory_region_add_subregion(get_system_memory(), isarc,
864                                         &ocm->isarc_ram);
865         }
866     }
867     if (ocm->dsarc != dsarc ||
868         (ocm->dsacntl & 0x80000000) != (dsacntl & 0x80000000)) {
869         if (ocm->dsacntl & 0x80000000) {
870             /* Beware not to unmap the region we just mapped */
871             if (!(isacntl & 0x80000000) || ocm->dsarc != isarc) {
872                 /* Unmap previously assigned memory region */
873 #ifdef DEBUG_OCM
874                 printf("OCM unmap DSA %08" PRIx32 "\n", ocm->dsarc);
875 #endif
876                 memory_region_del_subregion(get_system_memory(),
877                                             &ocm->dsarc_ram);
878             }
879         }
880         if (dsacntl & 0x80000000) {
881             /* Beware not to remap the region we just mapped */
882             if (!(isacntl & 0x80000000) || dsarc != isarc) {
883                 /* Map new data memory region */
884 #ifdef DEBUG_OCM
885                 printf("OCM map DSA %08" PRIx32 "\n", dsarc);
886 #endif
887                 memory_region_add_subregion(get_system_memory(), dsarc,
888                                             &ocm->dsarc_ram);
889             }
890         }
891     }
892 }
893 
894 static uint32_t dcr_read_ocm (void *opaque, int dcrn)
895 {
896     ppc405_ocm_t *ocm;
897     uint32_t ret;
898 
899     ocm = opaque;
900     switch (dcrn) {
901     case OCM0_ISARC:
902         ret = ocm->isarc;
903         break;
904     case OCM0_ISACNTL:
905         ret = ocm->isacntl;
906         break;
907     case OCM0_DSARC:
908         ret = ocm->dsarc;
909         break;
910     case OCM0_DSACNTL:
911         ret = ocm->dsacntl;
912         break;
913     default:
914         ret = 0;
915         break;
916     }
917 
918     return ret;
919 }
920 
921 static void dcr_write_ocm (void *opaque, int dcrn, uint32_t val)
922 {
923     ppc405_ocm_t *ocm;
924     uint32_t isarc, dsarc, isacntl, dsacntl;
925 
926     ocm = opaque;
927     isarc = ocm->isarc;
928     dsarc = ocm->dsarc;
929     isacntl = ocm->isacntl;
930     dsacntl = ocm->dsacntl;
931     switch (dcrn) {
932     case OCM0_ISARC:
933         isarc = val & 0xFC000000;
934         break;
935     case OCM0_ISACNTL:
936         isacntl = val & 0xC0000000;
937         break;
938     case OCM0_DSARC:
939         isarc = val & 0xFC000000;
940         break;
941     case OCM0_DSACNTL:
942         isacntl = val & 0xC0000000;
943         break;
944     }
945     ocm_update_mappings(ocm, isarc, isacntl, dsarc, dsacntl);
946     ocm->isarc = isarc;
947     ocm->dsarc = dsarc;
948     ocm->isacntl = isacntl;
949     ocm->dsacntl = dsacntl;
950 }
951 
952 static void ocm_reset (void *opaque)
953 {
954     ppc405_ocm_t *ocm;
955     uint32_t isarc, dsarc, isacntl, dsacntl;
956 
957     ocm = opaque;
958     isarc = 0x00000000;
959     isacntl = 0x00000000;
960     dsarc = 0x00000000;
961     dsacntl = 0x00000000;
962     ocm_update_mappings(ocm, isarc, isacntl, dsarc, dsacntl);
963     ocm->isarc = isarc;
964     ocm->dsarc = dsarc;
965     ocm->isacntl = isacntl;
966     ocm->dsacntl = dsacntl;
967 }
968 
969 static void ppc405_ocm_init(CPUPPCState *env)
970 {
971     ppc405_ocm_t *ocm;
972 
973     ocm = g_malloc0(sizeof(ppc405_ocm_t));
974     /* XXX: Size is 4096 or 0x04000000 */
975     memory_region_init_ram(&ocm->isarc_ram, "ppc405.ocm", 4096);
976     vmstate_register_ram_global(&ocm->isarc_ram);
977     memory_region_init_alias(&ocm->dsarc_ram, "ppc405.dsarc", &ocm->isarc_ram,
978                              0, 4096);
979     qemu_register_reset(&ocm_reset, ocm);
980     ppc_dcr_register(env, OCM0_ISARC,
981                      ocm, &dcr_read_ocm, &dcr_write_ocm);
982     ppc_dcr_register(env, OCM0_ISACNTL,
983                      ocm, &dcr_read_ocm, &dcr_write_ocm);
984     ppc_dcr_register(env, OCM0_DSARC,
985                      ocm, &dcr_read_ocm, &dcr_write_ocm);
986     ppc_dcr_register(env, OCM0_DSACNTL,
987                      ocm, &dcr_read_ocm, &dcr_write_ocm);
988 }
989 
990 /*****************************************************************************/
991 /* I2C controller */
992 typedef struct ppc4xx_i2c_t ppc4xx_i2c_t;
993 struct ppc4xx_i2c_t {
994     qemu_irq irq;
995     MemoryRegion iomem;
996     uint8_t mdata;
997     uint8_t lmadr;
998     uint8_t hmadr;
999     uint8_t cntl;
1000     uint8_t mdcntl;
1001     uint8_t sts;
1002     uint8_t extsts;
1003     uint8_t sdata;
1004     uint8_t lsadr;
1005     uint8_t hsadr;
1006     uint8_t clkdiv;
1007     uint8_t intrmsk;
1008     uint8_t xfrcnt;
1009     uint8_t xtcntlss;
1010     uint8_t directcntl;
1011 };
1012 
1013 static uint32_t ppc4xx_i2c_readb (void *opaque, hwaddr addr)
1014 {
1015     ppc4xx_i2c_t *i2c;
1016     uint32_t ret;
1017 
1018 #ifdef DEBUG_I2C
1019     printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
1020 #endif
1021     i2c = opaque;
1022     switch (addr) {
1023     case 0x00:
1024         //        i2c_readbyte(&i2c->mdata);
1025         ret = i2c->mdata;
1026         break;
1027     case 0x02:
1028         ret = i2c->sdata;
1029         break;
1030     case 0x04:
1031         ret = i2c->lmadr;
1032         break;
1033     case 0x05:
1034         ret = i2c->hmadr;
1035         break;
1036     case 0x06:
1037         ret = i2c->cntl;
1038         break;
1039     case 0x07:
1040         ret = i2c->mdcntl;
1041         break;
1042     case 0x08:
1043         ret = i2c->sts;
1044         break;
1045     case 0x09:
1046         ret = i2c->extsts;
1047         break;
1048     case 0x0A:
1049         ret = i2c->lsadr;
1050         break;
1051     case 0x0B:
1052         ret = i2c->hsadr;
1053         break;
1054     case 0x0C:
1055         ret = i2c->clkdiv;
1056         break;
1057     case 0x0D:
1058         ret = i2c->intrmsk;
1059         break;
1060     case 0x0E:
1061         ret = i2c->xfrcnt;
1062         break;
1063     case 0x0F:
1064         ret = i2c->xtcntlss;
1065         break;
1066     case 0x10:
1067         ret = i2c->directcntl;
1068         break;
1069     default:
1070         ret = 0x00;
1071         break;
1072     }
1073 #ifdef DEBUG_I2C
1074     printf("%s: addr " TARGET_FMT_plx " %02" PRIx32 "\n", __func__, addr, ret);
1075 #endif
1076 
1077     return ret;
1078 }
1079 
1080 static void ppc4xx_i2c_writeb (void *opaque,
1081                                hwaddr addr, uint32_t value)
1082 {
1083     ppc4xx_i2c_t *i2c;
1084 
1085 #ifdef DEBUG_I2C
1086     printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
1087            value);
1088 #endif
1089     i2c = opaque;
1090     switch (addr) {
1091     case 0x00:
1092         i2c->mdata = value;
1093         //        i2c_sendbyte(&i2c->mdata);
1094         break;
1095     case 0x02:
1096         i2c->sdata = value;
1097         break;
1098     case 0x04:
1099         i2c->lmadr = value;
1100         break;
1101     case 0x05:
1102         i2c->hmadr = value;
1103         break;
1104     case 0x06:
1105         i2c->cntl = value;
1106         break;
1107     case 0x07:
1108         i2c->mdcntl = value & 0xDF;
1109         break;
1110     case 0x08:
1111         i2c->sts &= ~(value & 0x0A);
1112         break;
1113     case 0x09:
1114         i2c->extsts &= ~(value & 0x8F);
1115         break;
1116     case 0x0A:
1117         i2c->lsadr = value;
1118         break;
1119     case 0x0B:
1120         i2c->hsadr = value;
1121         break;
1122     case 0x0C:
1123         i2c->clkdiv = value;
1124         break;
1125     case 0x0D:
1126         i2c->intrmsk = value;
1127         break;
1128     case 0x0E:
1129         i2c->xfrcnt = value & 0x77;
1130         break;
1131     case 0x0F:
1132         i2c->xtcntlss = value;
1133         break;
1134     case 0x10:
1135         i2c->directcntl = value & 0x7;
1136         break;
1137     }
1138 }
1139 
1140 static uint32_t ppc4xx_i2c_readw (void *opaque, hwaddr addr)
1141 {
1142     uint32_t ret;
1143 
1144 #ifdef DEBUG_I2C
1145     printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
1146 #endif
1147     ret = ppc4xx_i2c_readb(opaque, addr) << 8;
1148     ret |= ppc4xx_i2c_readb(opaque, addr + 1);
1149 
1150     return ret;
1151 }
1152 
1153 static void ppc4xx_i2c_writew (void *opaque,
1154                                hwaddr addr, uint32_t value)
1155 {
1156 #ifdef DEBUG_I2C
1157     printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
1158            value);
1159 #endif
1160     ppc4xx_i2c_writeb(opaque, addr, value >> 8);
1161     ppc4xx_i2c_writeb(opaque, addr + 1, value);
1162 }
1163 
1164 static uint32_t ppc4xx_i2c_readl (void *opaque, hwaddr addr)
1165 {
1166     uint32_t ret;
1167 
1168 #ifdef DEBUG_I2C
1169     printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
1170 #endif
1171     ret = ppc4xx_i2c_readb(opaque, addr) << 24;
1172     ret |= ppc4xx_i2c_readb(opaque, addr + 1) << 16;
1173     ret |= ppc4xx_i2c_readb(opaque, addr + 2) << 8;
1174     ret |= ppc4xx_i2c_readb(opaque, addr + 3);
1175 
1176     return ret;
1177 }
1178 
1179 static void ppc4xx_i2c_writel (void *opaque,
1180                                hwaddr addr, uint32_t value)
1181 {
1182 #ifdef DEBUG_I2C
1183     printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
1184            value);
1185 #endif
1186     ppc4xx_i2c_writeb(opaque, addr, value >> 24);
1187     ppc4xx_i2c_writeb(opaque, addr + 1, value >> 16);
1188     ppc4xx_i2c_writeb(opaque, addr + 2, value >> 8);
1189     ppc4xx_i2c_writeb(opaque, addr + 3, value);
1190 }
1191 
1192 static const MemoryRegionOps i2c_ops = {
1193     .old_mmio = {
1194         .read = { ppc4xx_i2c_readb, ppc4xx_i2c_readw, ppc4xx_i2c_readl, },
1195         .write = { ppc4xx_i2c_writeb, ppc4xx_i2c_writew, ppc4xx_i2c_writel, },
1196     },
1197     .endianness = DEVICE_NATIVE_ENDIAN,
1198 };
1199 
1200 static void ppc4xx_i2c_reset (void *opaque)
1201 {
1202     ppc4xx_i2c_t *i2c;
1203 
1204     i2c = opaque;
1205     i2c->mdata = 0x00;
1206     i2c->sdata = 0x00;
1207     i2c->cntl = 0x00;
1208     i2c->mdcntl = 0x00;
1209     i2c->sts = 0x00;
1210     i2c->extsts = 0x00;
1211     i2c->clkdiv = 0x00;
1212     i2c->xfrcnt = 0x00;
1213     i2c->directcntl = 0x0F;
1214 }
1215 
1216 static void ppc405_i2c_init(hwaddr base, qemu_irq irq)
1217 {
1218     ppc4xx_i2c_t *i2c;
1219 
1220     i2c = g_malloc0(sizeof(ppc4xx_i2c_t));
1221     i2c->irq = irq;
1222 #ifdef DEBUG_I2C
1223     printf("%s: offset " TARGET_FMT_plx "\n", __func__, base);
1224 #endif
1225     memory_region_init_io(&i2c->iomem, &i2c_ops, i2c, "i2c", 0x011);
1226     memory_region_add_subregion(get_system_memory(), base, &i2c->iomem);
1227     qemu_register_reset(ppc4xx_i2c_reset, i2c);
1228 }
1229 
1230 /*****************************************************************************/
1231 /* General purpose timers */
1232 typedef struct ppc4xx_gpt_t ppc4xx_gpt_t;
1233 struct ppc4xx_gpt_t {
1234     MemoryRegion iomem;
1235     int64_t tb_offset;
1236     uint32_t tb_freq;
1237     struct QEMUTimer *timer;
1238     qemu_irq irqs[5];
1239     uint32_t oe;
1240     uint32_t ol;
1241     uint32_t im;
1242     uint32_t is;
1243     uint32_t ie;
1244     uint32_t comp[5];
1245     uint32_t mask[5];
1246 };
1247 
1248 static uint32_t ppc4xx_gpt_readb (void *opaque, hwaddr addr)
1249 {
1250 #ifdef DEBUG_GPT
1251     printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
1252 #endif
1253     /* XXX: generate a bus fault */
1254     return -1;
1255 }
1256 
1257 static void ppc4xx_gpt_writeb (void *opaque,
1258                                hwaddr addr, uint32_t value)
1259 {
1260 #ifdef DEBUG_I2C
1261     printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
1262            value);
1263 #endif
1264     /* XXX: generate a bus fault */
1265 }
1266 
1267 static uint32_t ppc4xx_gpt_readw (void *opaque, hwaddr addr)
1268 {
1269 #ifdef DEBUG_GPT
1270     printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
1271 #endif
1272     /* XXX: generate a bus fault */
1273     return -1;
1274 }
1275 
1276 static void ppc4xx_gpt_writew (void *opaque,
1277                                hwaddr addr, uint32_t value)
1278 {
1279 #ifdef DEBUG_I2C
1280     printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
1281            value);
1282 #endif
1283     /* XXX: generate a bus fault */
1284 }
1285 
1286 static int ppc4xx_gpt_compare (ppc4xx_gpt_t *gpt, int n)
1287 {
1288     /* XXX: TODO */
1289     return 0;
1290 }
1291 
1292 static void ppc4xx_gpt_set_output (ppc4xx_gpt_t *gpt, int n, int level)
1293 {
1294     /* XXX: TODO */
1295 }
1296 
1297 static void ppc4xx_gpt_set_outputs (ppc4xx_gpt_t *gpt)
1298 {
1299     uint32_t mask;
1300     int i;
1301 
1302     mask = 0x80000000;
1303     for (i = 0; i < 5; i++) {
1304         if (gpt->oe & mask) {
1305             /* Output is enabled */
1306             if (ppc4xx_gpt_compare(gpt, i)) {
1307                 /* Comparison is OK */
1308                 ppc4xx_gpt_set_output(gpt, i, gpt->ol & mask);
1309             } else {
1310                 /* Comparison is KO */
1311                 ppc4xx_gpt_set_output(gpt, i, gpt->ol & mask ? 0 : 1);
1312             }
1313         }
1314         mask = mask >> 1;
1315     }
1316 }
1317 
1318 static void ppc4xx_gpt_set_irqs (ppc4xx_gpt_t *gpt)
1319 {
1320     uint32_t mask;
1321     int i;
1322 
1323     mask = 0x00008000;
1324     for (i = 0; i < 5; i++) {
1325         if (gpt->is & gpt->im & mask)
1326             qemu_irq_raise(gpt->irqs[i]);
1327         else
1328             qemu_irq_lower(gpt->irqs[i]);
1329         mask = mask >> 1;
1330     }
1331 }
1332 
1333 static void ppc4xx_gpt_compute_timer (ppc4xx_gpt_t *gpt)
1334 {
1335     /* XXX: TODO */
1336 }
1337 
1338 static uint32_t ppc4xx_gpt_readl (void *opaque, hwaddr addr)
1339 {
1340     ppc4xx_gpt_t *gpt;
1341     uint32_t ret;
1342     int idx;
1343 
1344 #ifdef DEBUG_GPT
1345     printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
1346 #endif
1347     gpt = opaque;
1348     switch (addr) {
1349     case 0x00:
1350         /* Time base counter */
1351         ret = muldiv64(qemu_get_clock_ns(vm_clock) + gpt->tb_offset,
1352                        gpt->tb_freq, get_ticks_per_sec());
1353         break;
1354     case 0x10:
1355         /* Output enable */
1356         ret = gpt->oe;
1357         break;
1358     case 0x14:
1359         /* Output level */
1360         ret = gpt->ol;
1361         break;
1362     case 0x18:
1363         /* Interrupt mask */
1364         ret = gpt->im;
1365         break;
1366     case 0x1C:
1367     case 0x20:
1368         /* Interrupt status */
1369         ret = gpt->is;
1370         break;
1371     case 0x24:
1372         /* Interrupt enable */
1373         ret = gpt->ie;
1374         break;
1375     case 0x80 ... 0x90:
1376         /* Compare timer */
1377         idx = (addr - 0x80) >> 2;
1378         ret = gpt->comp[idx];
1379         break;
1380     case 0xC0 ... 0xD0:
1381         /* Compare mask */
1382         idx = (addr - 0xC0) >> 2;
1383         ret = gpt->mask[idx];
1384         break;
1385     default:
1386         ret = -1;
1387         break;
1388     }
1389 
1390     return ret;
1391 }
1392 
1393 static void ppc4xx_gpt_writel (void *opaque,
1394                                hwaddr addr, uint32_t value)
1395 {
1396     ppc4xx_gpt_t *gpt;
1397     int idx;
1398 
1399 #ifdef DEBUG_I2C
1400     printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
1401            value);
1402 #endif
1403     gpt = opaque;
1404     switch (addr) {
1405     case 0x00:
1406         /* Time base counter */
1407         gpt->tb_offset = muldiv64(value, get_ticks_per_sec(), gpt->tb_freq)
1408             - qemu_get_clock_ns(vm_clock);
1409         ppc4xx_gpt_compute_timer(gpt);
1410         break;
1411     case 0x10:
1412         /* Output enable */
1413         gpt->oe = value & 0xF8000000;
1414         ppc4xx_gpt_set_outputs(gpt);
1415         break;
1416     case 0x14:
1417         /* Output level */
1418         gpt->ol = value & 0xF8000000;
1419         ppc4xx_gpt_set_outputs(gpt);
1420         break;
1421     case 0x18:
1422         /* Interrupt mask */
1423         gpt->im = value & 0x0000F800;
1424         break;
1425     case 0x1C:
1426         /* Interrupt status set */
1427         gpt->is |= value & 0x0000F800;
1428         ppc4xx_gpt_set_irqs(gpt);
1429         break;
1430     case 0x20:
1431         /* Interrupt status clear */
1432         gpt->is &= ~(value & 0x0000F800);
1433         ppc4xx_gpt_set_irqs(gpt);
1434         break;
1435     case 0x24:
1436         /* Interrupt enable */
1437         gpt->ie = value & 0x0000F800;
1438         ppc4xx_gpt_set_irqs(gpt);
1439         break;
1440     case 0x80 ... 0x90:
1441         /* Compare timer */
1442         idx = (addr - 0x80) >> 2;
1443         gpt->comp[idx] = value & 0xF8000000;
1444         ppc4xx_gpt_compute_timer(gpt);
1445         break;
1446     case 0xC0 ... 0xD0:
1447         /* Compare mask */
1448         idx = (addr - 0xC0) >> 2;
1449         gpt->mask[idx] = value & 0xF8000000;
1450         ppc4xx_gpt_compute_timer(gpt);
1451         break;
1452     }
1453 }
1454 
1455 static const MemoryRegionOps gpt_ops = {
1456     .old_mmio = {
1457         .read = { ppc4xx_gpt_readb, ppc4xx_gpt_readw, ppc4xx_gpt_readl, },
1458         .write = { ppc4xx_gpt_writeb, ppc4xx_gpt_writew, ppc4xx_gpt_writel, },
1459     },
1460     .endianness = DEVICE_NATIVE_ENDIAN,
1461 };
1462 
1463 static void ppc4xx_gpt_cb (void *opaque)
1464 {
1465     ppc4xx_gpt_t *gpt;
1466 
1467     gpt = opaque;
1468     ppc4xx_gpt_set_irqs(gpt);
1469     ppc4xx_gpt_set_outputs(gpt);
1470     ppc4xx_gpt_compute_timer(gpt);
1471 }
1472 
1473 static void ppc4xx_gpt_reset (void *opaque)
1474 {
1475     ppc4xx_gpt_t *gpt;
1476     int i;
1477 
1478     gpt = opaque;
1479     qemu_del_timer(gpt->timer);
1480     gpt->oe = 0x00000000;
1481     gpt->ol = 0x00000000;
1482     gpt->im = 0x00000000;
1483     gpt->is = 0x00000000;
1484     gpt->ie = 0x00000000;
1485     for (i = 0; i < 5; i++) {
1486         gpt->comp[i] = 0x00000000;
1487         gpt->mask[i] = 0x00000000;
1488     }
1489 }
1490 
1491 static void ppc4xx_gpt_init(hwaddr base, qemu_irq irqs[5])
1492 {
1493     ppc4xx_gpt_t *gpt;
1494     int i;
1495 
1496     gpt = g_malloc0(sizeof(ppc4xx_gpt_t));
1497     for (i = 0; i < 5; i++) {
1498         gpt->irqs[i] = irqs[i];
1499     }
1500     gpt->timer = qemu_new_timer_ns(vm_clock, &ppc4xx_gpt_cb, gpt);
1501 #ifdef DEBUG_GPT
1502     printf("%s: offset " TARGET_FMT_plx "\n", __func__, base);
1503 #endif
1504     memory_region_init_io(&gpt->iomem, &gpt_ops, gpt, "gpt", 0x0d4);
1505     memory_region_add_subregion(get_system_memory(), base, &gpt->iomem);
1506     qemu_register_reset(ppc4xx_gpt_reset, gpt);
1507 }
1508 
1509 /*****************************************************************************/
1510 /* MAL */
1511 enum {
1512     MAL0_CFG      = 0x180,
1513     MAL0_ESR      = 0x181,
1514     MAL0_IER      = 0x182,
1515     MAL0_TXCASR   = 0x184,
1516     MAL0_TXCARR   = 0x185,
1517     MAL0_TXEOBISR = 0x186,
1518     MAL0_TXDEIR   = 0x187,
1519     MAL0_RXCASR   = 0x190,
1520     MAL0_RXCARR   = 0x191,
1521     MAL0_RXEOBISR = 0x192,
1522     MAL0_RXDEIR   = 0x193,
1523     MAL0_TXCTP0R  = 0x1A0,
1524     MAL0_TXCTP1R  = 0x1A1,
1525     MAL0_TXCTP2R  = 0x1A2,
1526     MAL0_TXCTP3R  = 0x1A3,
1527     MAL0_RXCTP0R  = 0x1C0,
1528     MAL0_RXCTP1R  = 0x1C1,
1529     MAL0_RCBS0    = 0x1E0,
1530     MAL0_RCBS1    = 0x1E1,
1531 };
1532 
1533 typedef struct ppc40x_mal_t ppc40x_mal_t;
1534 struct ppc40x_mal_t {
1535     qemu_irq irqs[4];
1536     uint32_t cfg;
1537     uint32_t esr;
1538     uint32_t ier;
1539     uint32_t txcasr;
1540     uint32_t txcarr;
1541     uint32_t txeobisr;
1542     uint32_t txdeir;
1543     uint32_t rxcasr;
1544     uint32_t rxcarr;
1545     uint32_t rxeobisr;
1546     uint32_t rxdeir;
1547     uint32_t txctpr[4];
1548     uint32_t rxctpr[2];
1549     uint32_t rcbs[2];
1550 };
1551 
1552 static void ppc40x_mal_reset (void *opaque);
1553 
1554 static uint32_t dcr_read_mal (void *opaque, int dcrn)
1555 {
1556     ppc40x_mal_t *mal;
1557     uint32_t ret;
1558 
1559     mal = opaque;
1560     switch (dcrn) {
1561     case MAL0_CFG:
1562         ret = mal->cfg;
1563         break;
1564     case MAL0_ESR:
1565         ret = mal->esr;
1566         break;
1567     case MAL0_IER:
1568         ret = mal->ier;
1569         break;
1570     case MAL0_TXCASR:
1571         ret = mal->txcasr;
1572         break;
1573     case MAL0_TXCARR:
1574         ret = mal->txcarr;
1575         break;
1576     case MAL0_TXEOBISR:
1577         ret = mal->txeobisr;
1578         break;
1579     case MAL0_TXDEIR:
1580         ret = mal->txdeir;
1581         break;
1582     case MAL0_RXCASR:
1583         ret = mal->rxcasr;
1584         break;
1585     case MAL0_RXCARR:
1586         ret = mal->rxcarr;
1587         break;
1588     case MAL0_RXEOBISR:
1589         ret = mal->rxeobisr;
1590         break;
1591     case MAL0_RXDEIR:
1592         ret = mal->rxdeir;
1593         break;
1594     case MAL0_TXCTP0R:
1595         ret = mal->txctpr[0];
1596         break;
1597     case MAL0_TXCTP1R:
1598         ret = mal->txctpr[1];
1599         break;
1600     case MAL0_TXCTP2R:
1601         ret = mal->txctpr[2];
1602         break;
1603     case MAL0_TXCTP3R:
1604         ret = mal->txctpr[3];
1605         break;
1606     case MAL0_RXCTP0R:
1607         ret = mal->rxctpr[0];
1608         break;
1609     case MAL0_RXCTP1R:
1610         ret = mal->rxctpr[1];
1611         break;
1612     case MAL0_RCBS0:
1613         ret = mal->rcbs[0];
1614         break;
1615     case MAL0_RCBS1:
1616         ret = mal->rcbs[1];
1617         break;
1618     default:
1619         ret = 0;
1620         break;
1621     }
1622 
1623     return ret;
1624 }
1625 
1626 static void dcr_write_mal (void *opaque, int dcrn, uint32_t val)
1627 {
1628     ppc40x_mal_t *mal;
1629     int idx;
1630 
1631     mal = opaque;
1632     switch (dcrn) {
1633     case MAL0_CFG:
1634         if (val & 0x80000000)
1635             ppc40x_mal_reset(mal);
1636         mal->cfg = val & 0x00FFC087;
1637         break;
1638     case MAL0_ESR:
1639         /* Read/clear */
1640         mal->esr &= ~val;
1641         break;
1642     case MAL0_IER:
1643         mal->ier = val & 0x0000001F;
1644         break;
1645     case MAL0_TXCASR:
1646         mal->txcasr = val & 0xF0000000;
1647         break;
1648     case MAL0_TXCARR:
1649         mal->txcarr = val & 0xF0000000;
1650         break;
1651     case MAL0_TXEOBISR:
1652         /* Read/clear */
1653         mal->txeobisr &= ~val;
1654         break;
1655     case MAL0_TXDEIR:
1656         /* Read/clear */
1657         mal->txdeir &= ~val;
1658         break;
1659     case MAL0_RXCASR:
1660         mal->rxcasr = val & 0xC0000000;
1661         break;
1662     case MAL0_RXCARR:
1663         mal->rxcarr = val & 0xC0000000;
1664         break;
1665     case MAL0_RXEOBISR:
1666         /* Read/clear */
1667         mal->rxeobisr &= ~val;
1668         break;
1669     case MAL0_RXDEIR:
1670         /* Read/clear */
1671         mal->rxdeir &= ~val;
1672         break;
1673     case MAL0_TXCTP0R:
1674         idx = 0;
1675         goto update_tx_ptr;
1676     case MAL0_TXCTP1R:
1677         idx = 1;
1678         goto update_tx_ptr;
1679     case MAL0_TXCTP2R:
1680         idx = 2;
1681         goto update_tx_ptr;
1682     case MAL0_TXCTP3R:
1683         idx = 3;
1684     update_tx_ptr:
1685         mal->txctpr[idx] = val;
1686         break;
1687     case MAL0_RXCTP0R:
1688         idx = 0;
1689         goto update_rx_ptr;
1690     case MAL0_RXCTP1R:
1691         idx = 1;
1692     update_rx_ptr:
1693         mal->rxctpr[idx] = val;
1694         break;
1695     case MAL0_RCBS0:
1696         idx = 0;
1697         goto update_rx_size;
1698     case MAL0_RCBS1:
1699         idx = 1;
1700     update_rx_size:
1701         mal->rcbs[idx] = val & 0x000000FF;
1702         break;
1703     }
1704 }
1705 
1706 static void ppc40x_mal_reset (void *opaque)
1707 {
1708     ppc40x_mal_t *mal;
1709 
1710     mal = opaque;
1711     mal->cfg = 0x0007C000;
1712     mal->esr = 0x00000000;
1713     mal->ier = 0x00000000;
1714     mal->rxcasr = 0x00000000;
1715     mal->rxdeir = 0x00000000;
1716     mal->rxeobisr = 0x00000000;
1717     mal->txcasr = 0x00000000;
1718     mal->txdeir = 0x00000000;
1719     mal->txeobisr = 0x00000000;
1720 }
1721 
1722 static void ppc405_mal_init(CPUPPCState *env, qemu_irq irqs[4])
1723 {
1724     ppc40x_mal_t *mal;
1725     int i;
1726 
1727     mal = g_malloc0(sizeof(ppc40x_mal_t));
1728     for (i = 0; i < 4; i++)
1729         mal->irqs[i] = irqs[i];
1730     qemu_register_reset(&ppc40x_mal_reset, mal);
1731     ppc_dcr_register(env, MAL0_CFG,
1732                      mal, &dcr_read_mal, &dcr_write_mal);
1733     ppc_dcr_register(env, MAL0_ESR,
1734                      mal, &dcr_read_mal, &dcr_write_mal);
1735     ppc_dcr_register(env, MAL0_IER,
1736                      mal, &dcr_read_mal, &dcr_write_mal);
1737     ppc_dcr_register(env, MAL0_TXCASR,
1738                      mal, &dcr_read_mal, &dcr_write_mal);
1739     ppc_dcr_register(env, MAL0_TXCARR,
1740                      mal, &dcr_read_mal, &dcr_write_mal);
1741     ppc_dcr_register(env, MAL0_TXEOBISR,
1742                      mal, &dcr_read_mal, &dcr_write_mal);
1743     ppc_dcr_register(env, MAL0_TXDEIR,
1744                      mal, &dcr_read_mal, &dcr_write_mal);
1745     ppc_dcr_register(env, MAL0_RXCASR,
1746                      mal, &dcr_read_mal, &dcr_write_mal);
1747     ppc_dcr_register(env, MAL0_RXCARR,
1748                      mal, &dcr_read_mal, &dcr_write_mal);
1749     ppc_dcr_register(env, MAL0_RXEOBISR,
1750                      mal, &dcr_read_mal, &dcr_write_mal);
1751     ppc_dcr_register(env, MAL0_RXDEIR,
1752                      mal, &dcr_read_mal, &dcr_write_mal);
1753     ppc_dcr_register(env, MAL0_TXCTP0R,
1754                      mal, &dcr_read_mal, &dcr_write_mal);
1755     ppc_dcr_register(env, MAL0_TXCTP1R,
1756                      mal, &dcr_read_mal, &dcr_write_mal);
1757     ppc_dcr_register(env, MAL0_TXCTP2R,
1758                      mal, &dcr_read_mal, &dcr_write_mal);
1759     ppc_dcr_register(env, MAL0_TXCTP3R,
1760                      mal, &dcr_read_mal, &dcr_write_mal);
1761     ppc_dcr_register(env, MAL0_RXCTP0R,
1762                      mal, &dcr_read_mal, &dcr_write_mal);
1763     ppc_dcr_register(env, MAL0_RXCTP1R,
1764                      mal, &dcr_read_mal, &dcr_write_mal);
1765     ppc_dcr_register(env, MAL0_RCBS0,
1766                      mal, &dcr_read_mal, &dcr_write_mal);
1767     ppc_dcr_register(env, MAL0_RCBS1,
1768                      mal, &dcr_read_mal, &dcr_write_mal);
1769 }
1770 
1771 /*****************************************************************************/
1772 /* SPR */
1773 void ppc40x_core_reset(PowerPCCPU *cpu)
1774 {
1775     CPUPPCState *env = &cpu->env;
1776     target_ulong dbsr;
1777 
1778     printf("Reset PowerPC core\n");
1779     cpu_interrupt(CPU(cpu), CPU_INTERRUPT_RESET);
1780     dbsr = env->spr[SPR_40x_DBSR];
1781     dbsr &= ~0x00000300;
1782     dbsr |= 0x00000100;
1783     env->spr[SPR_40x_DBSR] = dbsr;
1784 }
1785 
1786 void ppc40x_chip_reset(PowerPCCPU *cpu)
1787 {
1788     CPUPPCState *env = &cpu->env;
1789     target_ulong dbsr;
1790 
1791     printf("Reset PowerPC chip\n");
1792     cpu_interrupt(CPU(cpu), CPU_INTERRUPT_RESET);
1793     /* XXX: TODO reset all internal peripherals */
1794     dbsr = env->spr[SPR_40x_DBSR];
1795     dbsr &= ~0x00000300;
1796     dbsr |= 0x00000200;
1797     env->spr[SPR_40x_DBSR] = dbsr;
1798 }
1799 
1800 void ppc40x_system_reset(PowerPCCPU *cpu)
1801 {
1802     printf("Reset PowerPC system\n");
1803     qemu_system_reset_request();
1804 }
1805 
1806 void store_40x_dbcr0 (CPUPPCState *env, uint32_t val)
1807 {
1808     PowerPCCPU *cpu = ppc_env_get_cpu(env);
1809 
1810     switch ((val >> 28) & 0x3) {
1811     case 0x0:
1812         /* No action */
1813         break;
1814     case 0x1:
1815         /* Core reset */
1816         ppc40x_core_reset(cpu);
1817         break;
1818     case 0x2:
1819         /* Chip reset */
1820         ppc40x_chip_reset(cpu);
1821         break;
1822     case 0x3:
1823         /* System reset */
1824         ppc40x_system_reset(cpu);
1825         break;
1826     }
1827 }
1828 
1829 /*****************************************************************************/
1830 /* PowerPC 405CR */
1831 enum {
1832     PPC405CR_CPC0_PLLMR  = 0x0B0,
1833     PPC405CR_CPC0_CR0    = 0x0B1,
1834     PPC405CR_CPC0_CR1    = 0x0B2,
1835     PPC405CR_CPC0_PSR    = 0x0B4,
1836     PPC405CR_CPC0_JTAGID = 0x0B5,
1837     PPC405CR_CPC0_ER     = 0x0B9,
1838     PPC405CR_CPC0_FR     = 0x0BA,
1839     PPC405CR_CPC0_SR     = 0x0BB,
1840 };
1841 
1842 enum {
1843     PPC405CR_CPU_CLK   = 0,
1844     PPC405CR_TMR_CLK   = 1,
1845     PPC405CR_PLB_CLK   = 2,
1846     PPC405CR_SDRAM_CLK = 3,
1847     PPC405CR_OPB_CLK   = 4,
1848     PPC405CR_EXT_CLK   = 5,
1849     PPC405CR_UART_CLK  = 6,
1850     PPC405CR_CLK_NB    = 7,
1851 };
1852 
1853 typedef struct ppc405cr_cpc_t ppc405cr_cpc_t;
1854 struct ppc405cr_cpc_t {
1855     clk_setup_t clk_setup[PPC405CR_CLK_NB];
1856     uint32_t sysclk;
1857     uint32_t psr;
1858     uint32_t cr0;
1859     uint32_t cr1;
1860     uint32_t jtagid;
1861     uint32_t pllmr;
1862     uint32_t er;
1863     uint32_t fr;
1864 };
1865 
1866 static void ppc405cr_clk_setup (ppc405cr_cpc_t *cpc)
1867 {
1868     uint64_t VCO_out, PLL_out;
1869     uint32_t CPU_clk, TMR_clk, SDRAM_clk, PLB_clk, OPB_clk, EXT_clk, UART_clk;
1870     int M, D0, D1, D2;
1871 
1872     D0 = ((cpc->pllmr >> 26) & 0x3) + 1; /* CBDV */
1873     if (cpc->pllmr & 0x80000000) {
1874         D1 = (((cpc->pllmr >> 20) - 1) & 0xF) + 1; /* FBDV */
1875         D2 = 8 - ((cpc->pllmr >> 16) & 0x7); /* FWDVA */
1876         M = D0 * D1 * D2;
1877         VCO_out = cpc->sysclk * M;
1878         if (VCO_out < 400000000 || VCO_out > 800000000) {
1879             /* PLL cannot lock */
1880             cpc->pllmr &= ~0x80000000;
1881             goto bypass_pll;
1882         }
1883         PLL_out = VCO_out / D2;
1884     } else {
1885         /* Bypass PLL */
1886     bypass_pll:
1887         M = D0;
1888         PLL_out = cpc->sysclk * M;
1889     }
1890     CPU_clk = PLL_out;
1891     if (cpc->cr1 & 0x00800000)
1892         TMR_clk = cpc->sysclk; /* Should have a separate clock */
1893     else
1894         TMR_clk = CPU_clk;
1895     PLB_clk = CPU_clk / D0;
1896     SDRAM_clk = PLB_clk;
1897     D0 = ((cpc->pllmr >> 10) & 0x3) + 1;
1898     OPB_clk = PLB_clk / D0;
1899     D0 = ((cpc->pllmr >> 24) & 0x3) + 2;
1900     EXT_clk = PLB_clk / D0;
1901     D0 = ((cpc->cr0 >> 1) & 0x1F) + 1;
1902     UART_clk = CPU_clk / D0;
1903     /* Setup CPU clocks */
1904     clk_setup(&cpc->clk_setup[PPC405CR_CPU_CLK], CPU_clk);
1905     /* Setup time-base clock */
1906     clk_setup(&cpc->clk_setup[PPC405CR_TMR_CLK], TMR_clk);
1907     /* Setup PLB clock */
1908     clk_setup(&cpc->clk_setup[PPC405CR_PLB_CLK], PLB_clk);
1909     /* Setup SDRAM clock */
1910     clk_setup(&cpc->clk_setup[PPC405CR_SDRAM_CLK], SDRAM_clk);
1911     /* Setup OPB clock */
1912     clk_setup(&cpc->clk_setup[PPC405CR_OPB_CLK], OPB_clk);
1913     /* Setup external clock */
1914     clk_setup(&cpc->clk_setup[PPC405CR_EXT_CLK], EXT_clk);
1915     /* Setup UART clock */
1916     clk_setup(&cpc->clk_setup[PPC405CR_UART_CLK], UART_clk);
1917 }
1918 
1919 static uint32_t dcr_read_crcpc (void *opaque, int dcrn)
1920 {
1921     ppc405cr_cpc_t *cpc;
1922     uint32_t ret;
1923 
1924     cpc = opaque;
1925     switch (dcrn) {
1926     case PPC405CR_CPC0_PLLMR:
1927         ret = cpc->pllmr;
1928         break;
1929     case PPC405CR_CPC0_CR0:
1930         ret = cpc->cr0;
1931         break;
1932     case PPC405CR_CPC0_CR1:
1933         ret = cpc->cr1;
1934         break;
1935     case PPC405CR_CPC0_PSR:
1936         ret = cpc->psr;
1937         break;
1938     case PPC405CR_CPC0_JTAGID:
1939         ret = cpc->jtagid;
1940         break;
1941     case PPC405CR_CPC0_ER:
1942         ret = cpc->er;
1943         break;
1944     case PPC405CR_CPC0_FR:
1945         ret = cpc->fr;
1946         break;
1947     case PPC405CR_CPC0_SR:
1948         ret = ~(cpc->er | cpc->fr) & 0xFFFF0000;
1949         break;
1950     default:
1951         /* Avoid gcc warning */
1952         ret = 0;
1953         break;
1954     }
1955 
1956     return ret;
1957 }
1958 
1959 static void dcr_write_crcpc (void *opaque, int dcrn, uint32_t val)
1960 {
1961     ppc405cr_cpc_t *cpc;
1962 
1963     cpc = opaque;
1964     switch (dcrn) {
1965     case PPC405CR_CPC0_PLLMR:
1966         cpc->pllmr = val & 0xFFF77C3F;
1967         break;
1968     case PPC405CR_CPC0_CR0:
1969         cpc->cr0 = val & 0x0FFFFFFE;
1970         break;
1971     case PPC405CR_CPC0_CR1:
1972         cpc->cr1 = val & 0x00800000;
1973         break;
1974     case PPC405CR_CPC0_PSR:
1975         /* Read-only */
1976         break;
1977     case PPC405CR_CPC0_JTAGID:
1978         /* Read-only */
1979         break;
1980     case PPC405CR_CPC0_ER:
1981         cpc->er = val & 0xBFFC0000;
1982         break;
1983     case PPC405CR_CPC0_FR:
1984         cpc->fr = val & 0xBFFC0000;
1985         break;
1986     case PPC405CR_CPC0_SR:
1987         /* Read-only */
1988         break;
1989     }
1990 }
1991 
1992 static void ppc405cr_cpc_reset (void *opaque)
1993 {
1994     ppc405cr_cpc_t *cpc;
1995     int D;
1996 
1997     cpc = opaque;
1998     /* Compute PLLMR value from PSR settings */
1999     cpc->pllmr = 0x80000000;
2000     /* PFWD */
2001     switch ((cpc->psr >> 30) & 3) {
2002     case 0:
2003         /* Bypass */
2004         cpc->pllmr &= ~0x80000000;
2005         break;
2006     case 1:
2007         /* Divide by 3 */
2008         cpc->pllmr |= 5 << 16;
2009         break;
2010     case 2:
2011         /* Divide by 4 */
2012         cpc->pllmr |= 4 << 16;
2013         break;
2014     case 3:
2015         /* Divide by 6 */
2016         cpc->pllmr |= 2 << 16;
2017         break;
2018     }
2019     /* PFBD */
2020     D = (cpc->psr >> 28) & 3;
2021     cpc->pllmr |= (D + 1) << 20;
2022     /* PT   */
2023     D = (cpc->psr >> 25) & 7;
2024     switch (D) {
2025     case 0x2:
2026         cpc->pllmr |= 0x13;
2027         break;
2028     case 0x4:
2029         cpc->pllmr |= 0x15;
2030         break;
2031     case 0x5:
2032         cpc->pllmr |= 0x16;
2033         break;
2034     default:
2035         break;
2036     }
2037     /* PDC  */
2038     D = (cpc->psr >> 23) & 3;
2039     cpc->pllmr |= D << 26;
2040     /* ODP  */
2041     D = (cpc->psr >> 21) & 3;
2042     cpc->pllmr |= D << 10;
2043     /* EBPD */
2044     D = (cpc->psr >> 17) & 3;
2045     cpc->pllmr |= D << 24;
2046     cpc->cr0 = 0x0000003C;
2047     cpc->cr1 = 0x2B0D8800;
2048     cpc->er = 0x00000000;
2049     cpc->fr = 0x00000000;
2050     ppc405cr_clk_setup(cpc);
2051 }
2052 
2053 static void ppc405cr_clk_init (ppc405cr_cpc_t *cpc)
2054 {
2055     int D;
2056 
2057     /* XXX: this should be read from IO pins */
2058     cpc->psr = 0x00000000; /* 8 bits ROM */
2059     /* PFWD */
2060     D = 0x2; /* Divide by 4 */
2061     cpc->psr |= D << 30;
2062     /* PFBD */
2063     D = 0x1; /* Divide by 2 */
2064     cpc->psr |= D << 28;
2065     /* PDC */
2066     D = 0x1; /* Divide by 2 */
2067     cpc->psr |= D << 23;
2068     /* PT */
2069     D = 0x5; /* M = 16 */
2070     cpc->psr |= D << 25;
2071     /* ODP */
2072     D = 0x1; /* Divide by 2 */
2073     cpc->psr |= D << 21;
2074     /* EBDP */
2075     D = 0x2; /* Divide by 4 */
2076     cpc->psr |= D << 17;
2077 }
2078 
2079 static void ppc405cr_cpc_init (CPUPPCState *env, clk_setup_t clk_setup[7],
2080                                uint32_t sysclk)
2081 {
2082     ppc405cr_cpc_t *cpc;
2083 
2084     cpc = g_malloc0(sizeof(ppc405cr_cpc_t));
2085     memcpy(cpc->clk_setup, clk_setup,
2086            PPC405CR_CLK_NB * sizeof(clk_setup_t));
2087     cpc->sysclk = sysclk;
2088     cpc->jtagid = 0x42051049;
2089     ppc_dcr_register(env, PPC405CR_CPC0_PSR, cpc,
2090                      &dcr_read_crcpc, &dcr_write_crcpc);
2091     ppc_dcr_register(env, PPC405CR_CPC0_CR0, cpc,
2092                      &dcr_read_crcpc, &dcr_write_crcpc);
2093     ppc_dcr_register(env, PPC405CR_CPC0_CR1, cpc,
2094                      &dcr_read_crcpc, &dcr_write_crcpc);
2095     ppc_dcr_register(env, PPC405CR_CPC0_JTAGID, cpc,
2096                      &dcr_read_crcpc, &dcr_write_crcpc);
2097     ppc_dcr_register(env, PPC405CR_CPC0_PLLMR, cpc,
2098                      &dcr_read_crcpc, &dcr_write_crcpc);
2099     ppc_dcr_register(env, PPC405CR_CPC0_ER, cpc,
2100                      &dcr_read_crcpc, &dcr_write_crcpc);
2101     ppc_dcr_register(env, PPC405CR_CPC0_FR, cpc,
2102                      &dcr_read_crcpc, &dcr_write_crcpc);
2103     ppc_dcr_register(env, PPC405CR_CPC0_SR, cpc,
2104                      &dcr_read_crcpc, &dcr_write_crcpc);
2105     ppc405cr_clk_init(cpc);
2106     qemu_register_reset(ppc405cr_cpc_reset, cpc);
2107 }
2108 
2109 CPUPPCState *ppc405cr_init(MemoryRegion *address_space_mem,
2110                         MemoryRegion ram_memories[4],
2111                         hwaddr ram_bases[4],
2112                         hwaddr ram_sizes[4],
2113                         uint32_t sysclk, qemu_irq **picp,
2114                         int do_init)
2115 {
2116     clk_setup_t clk_setup[PPC405CR_CLK_NB];
2117     qemu_irq dma_irqs[4];
2118     PowerPCCPU *cpu;
2119     CPUPPCState *env;
2120     qemu_irq *pic, *irqs;
2121 
2122     memset(clk_setup, 0, sizeof(clk_setup));
2123     cpu = ppc4xx_init("405cr", &clk_setup[PPC405CR_CPU_CLK],
2124                       &clk_setup[PPC405CR_TMR_CLK], sysclk);
2125     env = &cpu->env;
2126     /* Memory mapped devices registers */
2127     /* PLB arbitrer */
2128     ppc4xx_plb_init(env);
2129     /* PLB to OPB bridge */
2130     ppc4xx_pob_init(env);
2131     /* OBP arbitrer */
2132     ppc4xx_opba_init(0xef600600);
2133     /* Universal interrupt controller */
2134     irqs = g_malloc0(sizeof(qemu_irq) * PPCUIC_OUTPUT_NB);
2135     irqs[PPCUIC_OUTPUT_INT] =
2136         ((qemu_irq *)env->irq_inputs)[PPC40x_INPUT_INT];
2137     irqs[PPCUIC_OUTPUT_CINT] =
2138         ((qemu_irq *)env->irq_inputs)[PPC40x_INPUT_CINT];
2139     pic = ppcuic_init(env, irqs, 0x0C0, 0, 1);
2140     *picp = pic;
2141     /* SDRAM controller */
2142     ppc4xx_sdram_init(env, pic[14], 1, ram_memories,
2143                       ram_bases, ram_sizes, do_init);
2144     /* External bus controller */
2145     ppc405_ebc_init(env);
2146     /* DMA controller */
2147     dma_irqs[0] = pic[26];
2148     dma_irqs[1] = pic[25];
2149     dma_irqs[2] = pic[24];
2150     dma_irqs[3] = pic[23];
2151     ppc405_dma_init(env, dma_irqs);
2152     /* Serial ports */
2153     if (serial_hds[0] != NULL) {
2154         serial_mm_init(address_space_mem, 0xef600300, 0, pic[0],
2155                        PPC_SERIAL_MM_BAUDBASE, serial_hds[0],
2156                        DEVICE_BIG_ENDIAN);
2157     }
2158     if (serial_hds[1] != NULL) {
2159         serial_mm_init(address_space_mem, 0xef600400, 0, pic[1],
2160                        PPC_SERIAL_MM_BAUDBASE, serial_hds[1],
2161                        DEVICE_BIG_ENDIAN);
2162     }
2163     /* IIC controller */
2164     ppc405_i2c_init(0xef600500, pic[2]);
2165     /* GPIO */
2166     ppc405_gpio_init(0xef600700);
2167     /* CPU control */
2168     ppc405cr_cpc_init(env, clk_setup, sysclk);
2169 
2170     return env;
2171 }
2172 
2173 /*****************************************************************************/
2174 /* PowerPC 405EP */
2175 /* CPU control */
2176 enum {
2177     PPC405EP_CPC0_PLLMR0 = 0x0F0,
2178     PPC405EP_CPC0_BOOT   = 0x0F1,
2179     PPC405EP_CPC0_EPCTL  = 0x0F3,
2180     PPC405EP_CPC0_PLLMR1 = 0x0F4,
2181     PPC405EP_CPC0_UCR    = 0x0F5,
2182     PPC405EP_CPC0_SRR    = 0x0F6,
2183     PPC405EP_CPC0_JTAGID = 0x0F7,
2184     PPC405EP_CPC0_PCI    = 0x0F9,
2185 #if 0
2186     PPC405EP_CPC0_ER     = xxx,
2187     PPC405EP_CPC0_FR     = xxx,
2188     PPC405EP_CPC0_SR     = xxx,
2189 #endif
2190 };
2191 
2192 enum {
2193     PPC405EP_CPU_CLK   = 0,
2194     PPC405EP_PLB_CLK   = 1,
2195     PPC405EP_OPB_CLK   = 2,
2196     PPC405EP_EBC_CLK   = 3,
2197     PPC405EP_MAL_CLK   = 4,
2198     PPC405EP_PCI_CLK   = 5,
2199     PPC405EP_UART0_CLK = 6,
2200     PPC405EP_UART1_CLK = 7,
2201     PPC405EP_CLK_NB    = 8,
2202 };
2203 
2204 typedef struct ppc405ep_cpc_t ppc405ep_cpc_t;
2205 struct ppc405ep_cpc_t {
2206     uint32_t sysclk;
2207     clk_setup_t clk_setup[PPC405EP_CLK_NB];
2208     uint32_t boot;
2209     uint32_t epctl;
2210     uint32_t pllmr[2];
2211     uint32_t ucr;
2212     uint32_t srr;
2213     uint32_t jtagid;
2214     uint32_t pci;
2215     /* Clock and power management */
2216     uint32_t er;
2217     uint32_t fr;
2218     uint32_t sr;
2219 };
2220 
2221 static void ppc405ep_compute_clocks (ppc405ep_cpc_t *cpc)
2222 {
2223     uint32_t CPU_clk, PLB_clk, OPB_clk, EBC_clk, MAL_clk, PCI_clk;
2224     uint32_t UART0_clk, UART1_clk;
2225     uint64_t VCO_out, PLL_out;
2226     int M, D;
2227 
2228     VCO_out = 0;
2229     if ((cpc->pllmr[1] & 0x80000000) && !(cpc->pllmr[1] & 0x40000000)) {
2230         M = (((cpc->pllmr[1] >> 20) - 1) & 0xF) + 1; /* FBMUL */
2231 #ifdef DEBUG_CLOCKS_LL
2232         printf("FBMUL %01" PRIx32 " %d\n", (cpc->pllmr[1] >> 20) & 0xF, M);
2233 #endif
2234         D = 8 - ((cpc->pllmr[1] >> 16) & 0x7); /* FWDA */
2235 #ifdef DEBUG_CLOCKS_LL
2236         printf("FWDA %01" PRIx32 " %d\n", (cpc->pllmr[1] >> 16) & 0x7, D);
2237 #endif
2238         VCO_out = cpc->sysclk * M * D;
2239         if (VCO_out < 500000000UL || VCO_out > 1000000000UL) {
2240             /* Error - unlock the PLL */
2241             printf("VCO out of range %" PRIu64 "\n", VCO_out);
2242 #if 0
2243             cpc->pllmr[1] &= ~0x80000000;
2244             goto pll_bypass;
2245 #endif
2246         }
2247         PLL_out = VCO_out / D;
2248         /* Pretend the PLL is locked */
2249         cpc->boot |= 0x00000001;
2250     } else {
2251 #if 0
2252     pll_bypass:
2253 #endif
2254         PLL_out = cpc->sysclk;
2255         if (cpc->pllmr[1] & 0x40000000) {
2256             /* Pretend the PLL is not locked */
2257             cpc->boot &= ~0x00000001;
2258         }
2259     }
2260     /* Now, compute all other clocks */
2261     D = ((cpc->pllmr[0] >> 20) & 0x3) + 1; /* CCDV */
2262 #ifdef DEBUG_CLOCKS_LL
2263     printf("CCDV %01" PRIx32 " %d\n", (cpc->pllmr[0] >> 20) & 0x3, D);
2264 #endif
2265     CPU_clk = PLL_out / D;
2266     D = ((cpc->pllmr[0] >> 16) & 0x3) + 1; /* CBDV */
2267 #ifdef DEBUG_CLOCKS_LL
2268     printf("CBDV %01" PRIx32 " %d\n", (cpc->pllmr[0] >> 16) & 0x3, D);
2269 #endif
2270     PLB_clk = CPU_clk / D;
2271     D = ((cpc->pllmr[0] >> 12) & 0x3) + 1; /* OPDV */
2272 #ifdef DEBUG_CLOCKS_LL
2273     printf("OPDV %01" PRIx32 " %d\n", (cpc->pllmr[0] >> 12) & 0x3, D);
2274 #endif
2275     OPB_clk = PLB_clk / D;
2276     D = ((cpc->pllmr[0] >> 8) & 0x3) + 2; /* EPDV */
2277 #ifdef DEBUG_CLOCKS_LL
2278     printf("EPDV %01" PRIx32 " %d\n", (cpc->pllmr[0] >> 8) & 0x3, D);
2279 #endif
2280     EBC_clk = PLB_clk / D;
2281     D = ((cpc->pllmr[0] >> 4) & 0x3) + 1; /* MPDV */
2282 #ifdef DEBUG_CLOCKS_LL
2283     printf("MPDV %01" PRIx32 " %d\n", (cpc->pllmr[0] >> 4) & 0x3, D);
2284 #endif
2285     MAL_clk = PLB_clk / D;
2286     D = (cpc->pllmr[0] & 0x3) + 1; /* PPDV */
2287 #ifdef DEBUG_CLOCKS_LL
2288     printf("PPDV %01" PRIx32 " %d\n", cpc->pllmr[0] & 0x3, D);
2289 #endif
2290     PCI_clk = PLB_clk / D;
2291     D = ((cpc->ucr - 1) & 0x7F) + 1; /* U0DIV */
2292 #ifdef DEBUG_CLOCKS_LL
2293     printf("U0DIV %01" PRIx32 " %d\n", cpc->ucr & 0x7F, D);
2294 #endif
2295     UART0_clk = PLL_out / D;
2296     D = (((cpc->ucr >> 8) - 1) & 0x7F) + 1; /* U1DIV */
2297 #ifdef DEBUG_CLOCKS_LL
2298     printf("U1DIV %01" PRIx32 " %d\n", (cpc->ucr >> 8) & 0x7F, D);
2299 #endif
2300     UART1_clk = PLL_out / D;
2301 #ifdef DEBUG_CLOCKS
2302     printf("Setup PPC405EP clocks - sysclk %" PRIu32 " VCO %" PRIu64
2303            " PLL out %" PRIu64 " Hz\n", cpc->sysclk, VCO_out, PLL_out);
2304     printf("CPU %" PRIu32 " PLB %" PRIu32 " OPB %" PRIu32 " EBC %" PRIu32
2305            " MAL %" PRIu32 " PCI %" PRIu32 " UART0 %" PRIu32
2306            " UART1 %" PRIu32 "\n",
2307            CPU_clk, PLB_clk, OPB_clk, EBC_clk, MAL_clk, PCI_clk,
2308            UART0_clk, UART1_clk);
2309 #endif
2310     /* Setup CPU clocks */
2311     clk_setup(&cpc->clk_setup[PPC405EP_CPU_CLK], CPU_clk);
2312     /* Setup PLB clock */
2313     clk_setup(&cpc->clk_setup[PPC405EP_PLB_CLK], PLB_clk);
2314     /* Setup OPB clock */
2315     clk_setup(&cpc->clk_setup[PPC405EP_OPB_CLK], OPB_clk);
2316     /* Setup external clock */
2317     clk_setup(&cpc->clk_setup[PPC405EP_EBC_CLK], EBC_clk);
2318     /* Setup MAL clock */
2319     clk_setup(&cpc->clk_setup[PPC405EP_MAL_CLK], MAL_clk);
2320     /* Setup PCI clock */
2321     clk_setup(&cpc->clk_setup[PPC405EP_PCI_CLK], PCI_clk);
2322     /* Setup UART0 clock */
2323     clk_setup(&cpc->clk_setup[PPC405EP_UART0_CLK], UART0_clk);
2324     /* Setup UART1 clock */
2325     clk_setup(&cpc->clk_setup[PPC405EP_UART1_CLK], UART1_clk);
2326 }
2327 
2328 static uint32_t dcr_read_epcpc (void *opaque, int dcrn)
2329 {
2330     ppc405ep_cpc_t *cpc;
2331     uint32_t ret;
2332 
2333     cpc = opaque;
2334     switch (dcrn) {
2335     case PPC405EP_CPC0_BOOT:
2336         ret = cpc->boot;
2337         break;
2338     case PPC405EP_CPC0_EPCTL:
2339         ret = cpc->epctl;
2340         break;
2341     case PPC405EP_CPC0_PLLMR0:
2342         ret = cpc->pllmr[0];
2343         break;
2344     case PPC405EP_CPC0_PLLMR1:
2345         ret = cpc->pllmr[1];
2346         break;
2347     case PPC405EP_CPC0_UCR:
2348         ret = cpc->ucr;
2349         break;
2350     case PPC405EP_CPC0_SRR:
2351         ret = cpc->srr;
2352         break;
2353     case PPC405EP_CPC0_JTAGID:
2354         ret = cpc->jtagid;
2355         break;
2356     case PPC405EP_CPC0_PCI:
2357         ret = cpc->pci;
2358         break;
2359     default:
2360         /* Avoid gcc warning */
2361         ret = 0;
2362         break;
2363     }
2364 
2365     return ret;
2366 }
2367 
2368 static void dcr_write_epcpc (void *opaque, int dcrn, uint32_t val)
2369 {
2370     ppc405ep_cpc_t *cpc;
2371 
2372     cpc = opaque;
2373     switch (dcrn) {
2374     case PPC405EP_CPC0_BOOT:
2375         /* Read-only register */
2376         break;
2377     case PPC405EP_CPC0_EPCTL:
2378         /* Don't care for now */
2379         cpc->epctl = val & 0xC00000F3;
2380         break;
2381     case PPC405EP_CPC0_PLLMR0:
2382         cpc->pllmr[0] = val & 0x00633333;
2383         ppc405ep_compute_clocks(cpc);
2384         break;
2385     case PPC405EP_CPC0_PLLMR1:
2386         cpc->pllmr[1] = val & 0xC0F73FFF;
2387         ppc405ep_compute_clocks(cpc);
2388         break;
2389     case PPC405EP_CPC0_UCR:
2390         /* UART control - don't care for now */
2391         cpc->ucr = val & 0x003F7F7F;
2392         break;
2393     case PPC405EP_CPC0_SRR:
2394         cpc->srr = val;
2395         break;
2396     case PPC405EP_CPC0_JTAGID:
2397         /* Read-only */
2398         break;
2399     case PPC405EP_CPC0_PCI:
2400         cpc->pci = val;
2401         break;
2402     }
2403 }
2404 
2405 static void ppc405ep_cpc_reset (void *opaque)
2406 {
2407     ppc405ep_cpc_t *cpc = opaque;
2408 
2409     cpc->boot = 0x00000010;     /* Boot from PCI - IIC EEPROM disabled */
2410     cpc->epctl = 0x00000000;
2411     cpc->pllmr[0] = 0x00011010;
2412     cpc->pllmr[1] = 0x40000000;
2413     cpc->ucr = 0x00000000;
2414     cpc->srr = 0x00040000;
2415     cpc->pci = 0x00000000;
2416     cpc->er = 0x00000000;
2417     cpc->fr = 0x00000000;
2418     cpc->sr = 0x00000000;
2419     ppc405ep_compute_clocks(cpc);
2420 }
2421 
2422 /* XXX: sysclk should be between 25 and 100 MHz */
2423 static void ppc405ep_cpc_init (CPUPPCState *env, clk_setup_t clk_setup[8],
2424                                uint32_t sysclk)
2425 {
2426     ppc405ep_cpc_t *cpc;
2427 
2428     cpc = g_malloc0(sizeof(ppc405ep_cpc_t));
2429     memcpy(cpc->clk_setup, clk_setup,
2430            PPC405EP_CLK_NB * sizeof(clk_setup_t));
2431     cpc->jtagid = 0x20267049;
2432     cpc->sysclk = sysclk;
2433     qemu_register_reset(&ppc405ep_cpc_reset, cpc);
2434     ppc_dcr_register(env, PPC405EP_CPC0_BOOT, cpc,
2435                      &dcr_read_epcpc, &dcr_write_epcpc);
2436     ppc_dcr_register(env, PPC405EP_CPC0_EPCTL, cpc,
2437                      &dcr_read_epcpc, &dcr_write_epcpc);
2438     ppc_dcr_register(env, PPC405EP_CPC0_PLLMR0, cpc,
2439                      &dcr_read_epcpc, &dcr_write_epcpc);
2440     ppc_dcr_register(env, PPC405EP_CPC0_PLLMR1, cpc,
2441                      &dcr_read_epcpc, &dcr_write_epcpc);
2442     ppc_dcr_register(env, PPC405EP_CPC0_UCR, cpc,
2443                      &dcr_read_epcpc, &dcr_write_epcpc);
2444     ppc_dcr_register(env, PPC405EP_CPC0_SRR, cpc,
2445                      &dcr_read_epcpc, &dcr_write_epcpc);
2446     ppc_dcr_register(env, PPC405EP_CPC0_JTAGID, cpc,
2447                      &dcr_read_epcpc, &dcr_write_epcpc);
2448     ppc_dcr_register(env, PPC405EP_CPC0_PCI, cpc,
2449                      &dcr_read_epcpc, &dcr_write_epcpc);
2450 #if 0
2451     ppc_dcr_register(env, PPC405EP_CPC0_ER, cpc,
2452                      &dcr_read_epcpc, &dcr_write_epcpc);
2453     ppc_dcr_register(env, PPC405EP_CPC0_FR, cpc,
2454                      &dcr_read_epcpc, &dcr_write_epcpc);
2455     ppc_dcr_register(env, PPC405EP_CPC0_SR, cpc,
2456                      &dcr_read_epcpc, &dcr_write_epcpc);
2457 #endif
2458 }
2459 
2460 CPUPPCState *ppc405ep_init(MemoryRegion *address_space_mem,
2461                         MemoryRegion ram_memories[2],
2462                         hwaddr ram_bases[2],
2463                         hwaddr ram_sizes[2],
2464                         uint32_t sysclk, qemu_irq **picp,
2465                         int do_init)
2466 {
2467     clk_setup_t clk_setup[PPC405EP_CLK_NB], tlb_clk_setup;
2468     qemu_irq dma_irqs[4], gpt_irqs[5], mal_irqs[4];
2469     PowerPCCPU *cpu;
2470     CPUPPCState *env;
2471     qemu_irq *pic, *irqs;
2472 
2473     memset(clk_setup, 0, sizeof(clk_setup));
2474     /* init CPUs */
2475     cpu = ppc4xx_init("405ep", &clk_setup[PPC405EP_CPU_CLK],
2476                       &tlb_clk_setup, sysclk);
2477     env = &cpu->env;
2478     clk_setup[PPC405EP_CPU_CLK].cb = tlb_clk_setup.cb;
2479     clk_setup[PPC405EP_CPU_CLK].opaque = tlb_clk_setup.opaque;
2480     /* Internal devices init */
2481     /* Memory mapped devices registers */
2482     /* PLB arbitrer */
2483     ppc4xx_plb_init(env);
2484     /* PLB to OPB bridge */
2485     ppc4xx_pob_init(env);
2486     /* OBP arbitrer */
2487     ppc4xx_opba_init(0xef600600);
2488     /* Initialize timers */
2489     ppc_booke_timers_init(cpu, sysclk, 0);
2490     /* Universal interrupt controller */
2491     irqs = g_malloc0(sizeof(qemu_irq) * PPCUIC_OUTPUT_NB);
2492     irqs[PPCUIC_OUTPUT_INT] =
2493         ((qemu_irq *)env->irq_inputs)[PPC40x_INPUT_INT];
2494     irqs[PPCUIC_OUTPUT_CINT] =
2495         ((qemu_irq *)env->irq_inputs)[PPC40x_INPUT_CINT];
2496     pic = ppcuic_init(env, irqs, 0x0C0, 0, 1);
2497     *picp = pic;
2498     /* SDRAM controller */
2499 	/* XXX 405EP has no ECC interrupt */
2500     ppc4xx_sdram_init(env, pic[17], 2, ram_memories,
2501                       ram_bases, ram_sizes, do_init);
2502     /* External bus controller */
2503     ppc405_ebc_init(env);
2504     /* DMA controller */
2505     dma_irqs[0] = pic[5];
2506     dma_irqs[1] = pic[6];
2507     dma_irqs[2] = pic[7];
2508     dma_irqs[3] = pic[8];
2509     ppc405_dma_init(env, dma_irqs);
2510     /* IIC controller */
2511     ppc405_i2c_init(0xef600500, pic[2]);
2512     /* GPIO */
2513     ppc405_gpio_init(0xef600700);
2514     /* Serial ports */
2515     if (serial_hds[0] != NULL) {
2516         serial_mm_init(address_space_mem, 0xef600300, 0, pic[0],
2517                        PPC_SERIAL_MM_BAUDBASE, serial_hds[0],
2518                        DEVICE_BIG_ENDIAN);
2519     }
2520     if (serial_hds[1] != NULL) {
2521         serial_mm_init(address_space_mem, 0xef600400, 0, pic[1],
2522                        PPC_SERIAL_MM_BAUDBASE, serial_hds[1],
2523                        DEVICE_BIG_ENDIAN);
2524     }
2525     /* OCM */
2526     ppc405_ocm_init(env);
2527     /* GPT */
2528     gpt_irqs[0] = pic[19];
2529     gpt_irqs[1] = pic[20];
2530     gpt_irqs[2] = pic[21];
2531     gpt_irqs[3] = pic[22];
2532     gpt_irqs[4] = pic[23];
2533     ppc4xx_gpt_init(0xef600000, gpt_irqs);
2534     /* PCI */
2535     /* Uses pic[3], pic[16], pic[18] */
2536     /* MAL */
2537     mal_irqs[0] = pic[11];
2538     mal_irqs[1] = pic[12];
2539     mal_irqs[2] = pic[13];
2540     mal_irqs[3] = pic[14];
2541     ppc405_mal_init(env, mal_irqs);
2542     /* Ethernet */
2543     /* Uses pic[9], pic[15], pic[17] */
2544     /* CPU control */
2545     ppc405ep_cpc_init(env, clk_setup, sysclk);
2546 
2547     return env;
2548 }
2549