2 * QEMU PowerPC 405 embedded processors emulation
4 * Copyright (c) 2007 Jocelyn Mayer
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:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
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
28 #include "qemu-timer.h"
41 //#define DEBUG_CLOCKS_LL
43 ram_addr_t ppc405_set_bootinfo (CPUState *env, ppc4xx_bd_info_t *bd,
49 /* We put the bd structure at the top of memory */
50 if (bd->bi_memsize >= 0x01000000UL)
51 bdloc = 0x01000000UL - sizeof(struct ppc4xx_bd_info_t);
53 bdloc = bd->bi_memsize - sizeof(struct ppc4xx_bd_info_t);
54 stl_phys(bdloc + 0x00, bd->bi_memstart);
55 stl_phys(bdloc + 0x04, bd->bi_memsize);
56 stl_phys(bdloc + 0x08, bd->bi_flashstart);
57 stl_phys(bdloc + 0x0C, bd->bi_flashsize);
58 stl_phys(bdloc + 0x10, bd->bi_flashoffset);
59 stl_phys(bdloc + 0x14, bd->bi_sramstart);
60 stl_phys(bdloc + 0x18, bd->bi_sramsize);
61 stl_phys(bdloc + 0x1C, bd->bi_bootflags);
62 stl_phys(bdloc + 0x20, bd->bi_ipaddr);
63 for (i = 0; i < 6; i++)
64 stb_phys(bdloc + 0x24 + i, bd->bi_enetaddr[i]);
65 stw_phys(bdloc + 0x2A, bd->bi_ethspeed);
66 stl_phys(bdloc + 0x2C, bd->bi_intfreq);
67 stl_phys(bdloc + 0x30, bd->bi_busfreq);
68 stl_phys(bdloc + 0x34, bd->bi_baudrate);
69 for (i = 0; i < 4; i++)
70 stb_phys(bdloc + 0x38 + i, bd->bi_s_version[i]);
71 for (i = 0; i < 32; i++)
72 stb_phys(bdloc + 0x3C + i, bd->bi_s_version[i]);
73 stl_phys(bdloc + 0x5C, bd->bi_plb_busfreq);
74 stl_phys(bdloc + 0x60, bd->bi_pci_busfreq);
75 for (i = 0; i < 6; i++)
76 stb_phys(bdloc + 0x64 + i, bd->bi_pci_enetaddr[i]);
78 if (flags & 0x00000001) {
79 for (i = 0; i < 6; i++)
80 stb_phys(bdloc + n++, bd->bi_pci_enetaddr2[i]);
82 stl_phys(bdloc + n, bd->bi_opbfreq);
84 for (i = 0; i < 2; i++) {
85 stl_phys(bdloc + n, bd->bi_iic_fast[i]);
92 /*****************************************************************************/
93 /* Shared peripherals */
95 /*****************************************************************************/
96 /* Peripheral local bus arbitrer */
103 typedef struct ppc4xx_plb_t ppc4xx_plb_t;
104 struct ppc4xx_plb_t {
110 static uint32_t dcr_read_plb (void *opaque, int dcrn)
127 /* Avoid gcc warning */
135 static void dcr_write_plb (void *opaque, int dcrn, uint32_t val)
142 /* We don't care about the actual parameters written as
143 * we don't manage any priorities on the bus
145 plb->acr = val & 0xF8000000;
157 static void ppc4xx_plb_reset (void *opaque)
162 plb->acr = 0x00000000;
163 plb->bear = 0x00000000;
164 plb->besr = 0x00000000;
167 static void ppc4xx_plb_init(CPUState *env)
171 plb = qemu_mallocz(sizeof(ppc4xx_plb_t));
172 ppc_dcr_register(env, PLB0_ACR, plb, &dcr_read_plb, &dcr_write_plb);
173 ppc_dcr_register(env, PLB0_BEAR, plb, &dcr_read_plb, &dcr_write_plb);
174 ppc_dcr_register(env, PLB0_BESR, plb, &dcr_read_plb, &dcr_write_plb);
175 qemu_register_reset(ppc4xx_plb_reset, plb);
178 /*****************************************************************************/
179 /* PLB to OPB bridge */
186 typedef struct ppc4xx_pob_t ppc4xx_pob_t;
187 struct ppc4xx_pob_t {
192 static uint32_t dcr_read_pob (void *opaque, int dcrn)
204 ret = pob->besr[dcrn - POB0_BESR0];
207 /* Avoid gcc warning */
215 static void dcr_write_pob (void *opaque, int dcrn, uint32_t val)
227 pob->besr[dcrn - POB0_BESR0] &= ~val;
232 static void ppc4xx_pob_reset (void *opaque)
238 pob->bear = 0x00000000;
239 pob->besr[0] = 0x0000000;
240 pob->besr[1] = 0x0000000;
243 static void ppc4xx_pob_init(CPUState *env)
247 pob = qemu_mallocz(sizeof(ppc4xx_pob_t));
248 ppc_dcr_register(env, POB0_BEAR, pob, &dcr_read_pob, &dcr_write_pob);
249 ppc_dcr_register(env, POB0_BESR0, pob, &dcr_read_pob, &dcr_write_pob);
250 ppc_dcr_register(env, POB0_BESR1, pob, &dcr_read_pob, &dcr_write_pob);
251 qemu_register_reset(ppc4xx_pob_reset, pob);
254 /*****************************************************************************/
256 typedef struct ppc4xx_opba_t ppc4xx_opba_t;
257 struct ppc4xx_opba_t {
262 static uint32_t opba_readb (void *opaque, target_phys_addr_t addr)
268 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
286 static void opba_writeb (void *opaque,
287 target_phys_addr_t addr, uint32_t value)
292 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
298 opba->cr = value & 0xF8;
301 opba->pr = value & 0xFF;
308 static uint32_t opba_readw (void *opaque, target_phys_addr_t addr)
313 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
315 ret = opba_readb(opaque, addr) << 8;
316 ret |= opba_readb(opaque, addr + 1);
321 static void opba_writew (void *opaque,
322 target_phys_addr_t addr, uint32_t value)
325 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
328 opba_writeb(opaque, addr, value >> 8);
329 opba_writeb(opaque, addr + 1, value);
332 static uint32_t opba_readl (void *opaque, target_phys_addr_t addr)
337 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
339 ret = opba_readb(opaque, addr) << 24;
340 ret |= opba_readb(opaque, addr + 1) << 16;
345 static void opba_writel (void *opaque,
346 target_phys_addr_t addr, uint32_t value)
349 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
352 opba_writeb(opaque, addr, value >> 24);
353 opba_writeb(opaque, addr + 1, value >> 16);
356 static CPUReadMemoryFunc * const opba_read[] = {
362 static CPUWriteMemoryFunc * const opba_write[] = {
368 static void ppc4xx_opba_reset (void *opaque)
373 opba->cr = 0x00; /* No dynamic priorities - park disabled */
377 static void ppc4xx_opba_init(target_phys_addr_t base)
382 opba = qemu_mallocz(sizeof(ppc4xx_opba_t));
384 printf("%s: offset " TARGET_FMT_plx "\n", __func__, base);
386 io = cpu_register_io_memory(opba_read, opba_write, opba);
387 cpu_register_physical_memory(base, 0x002, io);
388 qemu_register_reset(ppc4xx_opba_reset, opba);
391 /*****************************************************************************/
392 /* Code decompression controller */
395 /*****************************************************************************/
396 /* Peripheral controller */
397 typedef struct ppc4xx_ebc_t ppc4xx_ebc_t;
398 struct ppc4xx_ebc_t {
409 EBC0_CFGADDR = 0x012,
410 EBC0_CFGDATA = 0x013,
413 static uint32_t dcr_read_ebc (void *opaque, int dcrn)
425 case 0x00: /* B0CR */
428 case 0x01: /* B1CR */
431 case 0x02: /* B2CR */
434 case 0x03: /* B3CR */
437 case 0x04: /* B4CR */
440 case 0x05: /* B5CR */
443 case 0x06: /* B6CR */
446 case 0x07: /* B7CR */
449 case 0x10: /* B0AP */
452 case 0x11: /* B1AP */
455 case 0x12: /* B2AP */
458 case 0x13: /* B3AP */
461 case 0x14: /* B4AP */
464 case 0x15: /* B5AP */
467 case 0x16: /* B6AP */
470 case 0x17: /* B7AP */
473 case 0x20: /* BEAR */
476 case 0x21: /* BESR0 */
479 case 0x22: /* BESR1 */
498 static void dcr_write_ebc (void *opaque, int dcrn, uint32_t val)
509 case 0x00: /* B0CR */
511 case 0x01: /* B1CR */
513 case 0x02: /* B2CR */
515 case 0x03: /* B3CR */
517 case 0x04: /* B4CR */
519 case 0x05: /* B5CR */
521 case 0x06: /* B6CR */
523 case 0x07: /* B7CR */
525 case 0x10: /* B0AP */
527 case 0x11: /* B1AP */
529 case 0x12: /* B2AP */
531 case 0x13: /* B3AP */
533 case 0x14: /* B4AP */
535 case 0x15: /* B5AP */
537 case 0x16: /* B6AP */
539 case 0x17: /* B7AP */
541 case 0x20: /* BEAR */
543 case 0x21: /* BESR0 */
545 case 0x22: /* BESR1 */
558 static void ebc_reset (void *opaque)
564 ebc->addr = 0x00000000;
565 ebc->bap[0] = 0x7F8FFE80;
566 ebc->bcr[0] = 0xFFE28000;
567 for (i = 0; i < 8; i++) {
568 ebc->bap[i] = 0x00000000;
569 ebc->bcr[i] = 0x00000000;
571 ebc->besr0 = 0x00000000;
572 ebc->besr1 = 0x00000000;
573 ebc->cfg = 0x80400000;
576 static void ppc405_ebc_init(CPUState *env)
580 ebc = qemu_mallocz(sizeof(ppc4xx_ebc_t));
581 qemu_register_reset(&ebc_reset, ebc);
582 ppc_dcr_register(env, EBC0_CFGADDR,
583 ebc, &dcr_read_ebc, &dcr_write_ebc);
584 ppc_dcr_register(env, EBC0_CFGDATA,
585 ebc, &dcr_read_ebc, &dcr_write_ebc);
588 /*****************************************************************************/
617 typedef struct ppc405_dma_t ppc405_dma_t;
618 struct ppc405_dma_t {
631 static uint32_t dcr_read_dma (void *opaque, int dcrn)
640 static void dcr_write_dma (void *opaque, int dcrn, uint32_t val)
647 static void ppc405_dma_reset (void *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;
660 dma->sr = 0x00000000;
661 dma->sgc = 0x00000000;
662 dma->slp = 0x7C000000;
663 dma->pol = 0x00000000;
666 static void ppc405_dma_init(CPUState *env, qemu_irq irqs[4])
670 dma = qemu_mallocz(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);
723 /*****************************************************************************/
725 typedef struct ppc405_gpio_t ppc405_gpio_t;
726 struct ppc405_gpio_t {
740 static uint32_t ppc405_gpio_readb (void *opaque, target_phys_addr_t addr)
746 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
752 static void ppc405_gpio_writeb (void *opaque,
753 target_phys_addr_t addr, uint32_t value)
759 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
764 static uint32_t ppc405_gpio_readw (void *opaque, target_phys_addr_t addr)
770 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
776 static void ppc405_gpio_writew (void *opaque,
777 target_phys_addr_t addr, uint32_t value)
783 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
788 static uint32_t ppc405_gpio_readl (void *opaque, target_phys_addr_t addr)
794 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
800 static void ppc405_gpio_writel (void *opaque,
801 target_phys_addr_t addr, uint32_t value)
807 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
812 static CPUReadMemoryFunc * const ppc405_gpio_read[] = {
818 static CPUWriteMemoryFunc * const ppc405_gpio_write[] = {
824 static void ppc405_gpio_reset (void *opaque)
831 static void ppc405_gpio_init(target_phys_addr_t base)
836 gpio = qemu_mallocz(sizeof(ppc405_gpio_t));
838 printf("%s: offset " TARGET_FMT_plx "\n", __func__, base);
840 io = cpu_register_io_memory(ppc405_gpio_read, ppc405_gpio_write, gpio);
841 cpu_register_physical_memory(base, 0x038, io);
842 qemu_register_reset(&ppc405_gpio_reset, gpio);
845 /*****************************************************************************/
849 OCM0_ISACNTL = 0x019,
851 OCM0_DSACNTL = 0x01B,
854 typedef struct ppc405_ocm_t ppc405_ocm_t;
855 struct ppc405_ocm_t {
863 static void ocm_update_mappings (ppc405_ocm_t *ocm,
864 uint32_t isarc, uint32_t isacntl,
865 uint32_t dsarc, uint32_t dsacntl)
868 printf("OCM update ISA %08" PRIx32 " %08" PRIx32 " (%08" PRIx32
869 " %08" PRIx32 ") DSA %08" PRIx32 " %08" PRIx32
870 " (%08" PRIx32 " %08" PRIx32 ")\n",
871 isarc, isacntl, dsarc, dsacntl,
872 ocm->isarc, ocm->isacntl, ocm->dsarc, ocm->dsacntl);
874 if (ocm->isarc != isarc ||
875 (ocm->isacntl & 0x80000000) != (isacntl & 0x80000000)) {
876 if (ocm->isacntl & 0x80000000) {
877 /* Unmap previously assigned memory region */
878 printf("OCM unmap ISA %08" PRIx32 "\n", ocm->isarc);
879 cpu_register_physical_memory(ocm->isarc, 0x04000000,
882 if (isacntl & 0x80000000) {
883 /* Map new instruction memory region */
885 printf("OCM map ISA %08" PRIx32 "\n", isarc);
887 cpu_register_physical_memory(isarc, 0x04000000,
888 ocm->offset | IO_MEM_RAM);
891 if (ocm->dsarc != dsarc ||
892 (ocm->dsacntl & 0x80000000) != (dsacntl & 0x80000000)) {
893 if (ocm->dsacntl & 0x80000000) {
894 /* Beware not to unmap the region we just mapped */
895 if (!(isacntl & 0x80000000) || ocm->dsarc != isarc) {
896 /* Unmap previously assigned memory region */
898 printf("OCM unmap DSA %08" PRIx32 "\n", ocm->dsarc);
900 cpu_register_physical_memory(ocm->dsarc, 0x04000000,
904 if (dsacntl & 0x80000000) {
905 /* Beware not to remap the region we just mapped */
906 if (!(isacntl & 0x80000000) || dsarc != isarc) {
907 /* Map new data memory region */
909 printf("OCM map DSA %08" PRIx32 "\n", dsarc);
911 cpu_register_physical_memory(dsarc, 0x04000000,
912 ocm->offset | IO_MEM_RAM);
918 static uint32_t dcr_read_ocm (void *opaque, int dcrn)
945 static void dcr_write_ocm (void *opaque, int dcrn, uint32_t val)
948 uint32_t isarc, dsarc, isacntl, dsacntl;
953 isacntl = ocm->isacntl;
954 dsacntl = ocm->dsacntl;
957 isarc = val & 0xFC000000;
960 isacntl = val & 0xC0000000;
963 isarc = val & 0xFC000000;
966 isacntl = val & 0xC0000000;
969 ocm_update_mappings(ocm, isarc, isacntl, dsarc, dsacntl);
972 ocm->isacntl = isacntl;
973 ocm->dsacntl = dsacntl;
976 static void ocm_reset (void *opaque)
979 uint32_t isarc, dsarc, isacntl, dsacntl;
983 isacntl = 0x00000000;
985 dsacntl = 0x00000000;
986 ocm_update_mappings(ocm, isarc, isacntl, dsarc, dsacntl);
989 ocm->isacntl = isacntl;
990 ocm->dsacntl = dsacntl;
993 static void ppc405_ocm_init(CPUState *env)
997 ocm = qemu_mallocz(sizeof(ppc405_ocm_t));
998 ocm->offset = qemu_ram_alloc(NULL, "ppc405.ocm", 4096);
999 qemu_register_reset(&ocm_reset, ocm);
1000 ppc_dcr_register(env, OCM0_ISARC,
1001 ocm, &dcr_read_ocm, &dcr_write_ocm);
1002 ppc_dcr_register(env, OCM0_ISACNTL,
1003 ocm, &dcr_read_ocm, &dcr_write_ocm);
1004 ppc_dcr_register(env, OCM0_DSARC,
1005 ocm, &dcr_read_ocm, &dcr_write_ocm);
1006 ppc_dcr_register(env, OCM0_DSACNTL,
1007 ocm, &dcr_read_ocm, &dcr_write_ocm);
1010 /*****************************************************************************/
1011 /* I2C controller */
1012 typedef struct ppc4xx_i2c_t ppc4xx_i2c_t;
1013 struct ppc4xx_i2c_t {
1032 static uint32_t ppc4xx_i2c_readb (void *opaque, target_phys_addr_t addr)
1038 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
1043 // i2c_readbyte(&i2c->mdata);
1083 ret = i2c->xtcntlss;
1086 ret = i2c->directcntl;
1093 printf("%s: addr " TARGET_FMT_plx " %02" PRIx32 "\n", __func__, addr, ret);
1099 static void ppc4xx_i2c_writeb (void *opaque,
1100 target_phys_addr_t addr, uint32_t value)
1105 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
1112 // i2c_sendbyte(&i2c->mdata);
1127 i2c->mdcntl = value & 0xDF;
1130 i2c->sts &= ~(value & 0x0A);
1133 i2c->extsts &= ~(value & 0x8F);
1142 i2c->clkdiv = value;
1145 i2c->intrmsk = value;
1148 i2c->xfrcnt = value & 0x77;
1151 i2c->xtcntlss = value;
1154 i2c->directcntl = value & 0x7;
1159 static uint32_t ppc4xx_i2c_readw (void *opaque, target_phys_addr_t addr)
1164 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
1166 ret = ppc4xx_i2c_readb(opaque, addr) << 8;
1167 ret |= ppc4xx_i2c_readb(opaque, addr + 1);
1172 static void ppc4xx_i2c_writew (void *opaque,
1173 target_phys_addr_t addr, uint32_t value)
1176 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
1179 ppc4xx_i2c_writeb(opaque, addr, value >> 8);
1180 ppc4xx_i2c_writeb(opaque, addr + 1, value);
1183 static uint32_t ppc4xx_i2c_readl (void *opaque, target_phys_addr_t addr)
1188 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
1190 ret = ppc4xx_i2c_readb(opaque, addr) << 24;
1191 ret |= ppc4xx_i2c_readb(opaque, addr + 1) << 16;
1192 ret |= ppc4xx_i2c_readb(opaque, addr + 2) << 8;
1193 ret |= ppc4xx_i2c_readb(opaque, addr + 3);
1198 static void ppc4xx_i2c_writel (void *opaque,
1199 target_phys_addr_t addr, uint32_t value)
1202 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
1205 ppc4xx_i2c_writeb(opaque, addr, value >> 24);
1206 ppc4xx_i2c_writeb(opaque, addr + 1, value >> 16);
1207 ppc4xx_i2c_writeb(opaque, addr + 2, value >> 8);
1208 ppc4xx_i2c_writeb(opaque, addr + 3, value);
1211 static CPUReadMemoryFunc * const i2c_read[] = {
1217 static CPUWriteMemoryFunc * const i2c_write[] = {
1223 static void ppc4xx_i2c_reset (void *opaque)
1236 i2c->directcntl = 0x0F;
1239 static void ppc405_i2c_init(target_phys_addr_t base, qemu_irq irq)
1244 i2c = qemu_mallocz(sizeof(ppc4xx_i2c_t));
1247 printf("%s: offset " TARGET_FMT_plx "\n", __func__, base);
1249 io = cpu_register_io_memory(i2c_read, i2c_write, i2c);
1250 cpu_register_physical_memory(base, 0x011, io);
1251 qemu_register_reset(ppc4xx_i2c_reset, i2c);
1254 /*****************************************************************************/
1255 /* General purpose timers */
1256 typedef struct ppc4xx_gpt_t ppc4xx_gpt_t;
1257 struct ppc4xx_gpt_t {
1260 struct QEMUTimer *timer;
1271 static uint32_t ppc4xx_gpt_readb (void *opaque, target_phys_addr_t addr)
1274 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
1276 /* XXX: generate a bus fault */
1280 static void ppc4xx_gpt_writeb (void *opaque,
1281 target_phys_addr_t addr, uint32_t value)
1284 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
1287 /* XXX: generate a bus fault */
1290 static uint32_t ppc4xx_gpt_readw (void *opaque, target_phys_addr_t addr)
1293 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
1295 /* XXX: generate a bus fault */
1299 static void ppc4xx_gpt_writew (void *opaque,
1300 target_phys_addr_t addr, uint32_t value)
1303 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
1306 /* XXX: generate a bus fault */
1309 static int ppc4xx_gpt_compare (ppc4xx_gpt_t *gpt, int n)
1315 static void ppc4xx_gpt_set_output (ppc4xx_gpt_t *gpt, int n, int level)
1320 static void ppc4xx_gpt_set_outputs (ppc4xx_gpt_t *gpt)
1326 for (i = 0; i < 5; i++) {
1327 if (gpt->oe & mask) {
1328 /* Output is enabled */
1329 if (ppc4xx_gpt_compare(gpt, i)) {
1330 /* Comparison is OK */
1331 ppc4xx_gpt_set_output(gpt, i, gpt->ol & mask);
1333 /* Comparison is KO */
1334 ppc4xx_gpt_set_output(gpt, i, gpt->ol & mask ? 0 : 1);
1341 static void ppc4xx_gpt_set_irqs (ppc4xx_gpt_t *gpt)
1347 for (i = 0; i < 5; i++) {
1348 if (gpt->is & gpt->im & mask)
1349 qemu_irq_raise(gpt->irqs[i]);
1351 qemu_irq_lower(gpt->irqs[i]);
1356 static void ppc4xx_gpt_compute_timer (ppc4xx_gpt_t *gpt)
1361 static uint32_t ppc4xx_gpt_readl (void *opaque, target_phys_addr_t addr)
1368 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
1373 /* Time base counter */
1374 ret = muldiv64(qemu_get_clock(vm_clock) + gpt->tb_offset,
1375 gpt->tb_freq, get_ticks_per_sec());
1386 /* Interrupt mask */
1391 /* Interrupt status */
1395 /* Interrupt enable */
1400 idx = (addr - 0x80) >> 2;
1401 ret = gpt->comp[idx];
1405 idx = (addr - 0xC0) >> 2;
1406 ret = gpt->mask[idx];
1416 static void ppc4xx_gpt_writel (void *opaque,
1417 target_phys_addr_t addr, uint32_t value)
1423 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
1429 /* Time base counter */
1430 gpt->tb_offset = muldiv64(value, get_ticks_per_sec(), gpt->tb_freq)
1431 - qemu_get_clock(vm_clock);
1432 ppc4xx_gpt_compute_timer(gpt);
1436 gpt->oe = value & 0xF8000000;
1437 ppc4xx_gpt_set_outputs(gpt);
1441 gpt->ol = value & 0xF8000000;
1442 ppc4xx_gpt_set_outputs(gpt);
1445 /* Interrupt mask */
1446 gpt->im = value & 0x0000F800;
1449 /* Interrupt status set */
1450 gpt->is |= value & 0x0000F800;
1451 ppc4xx_gpt_set_irqs(gpt);
1454 /* Interrupt status clear */
1455 gpt->is &= ~(value & 0x0000F800);
1456 ppc4xx_gpt_set_irqs(gpt);
1459 /* Interrupt enable */
1460 gpt->ie = value & 0x0000F800;
1461 ppc4xx_gpt_set_irqs(gpt);
1465 idx = (addr - 0x80) >> 2;
1466 gpt->comp[idx] = value & 0xF8000000;
1467 ppc4xx_gpt_compute_timer(gpt);
1471 idx = (addr - 0xC0) >> 2;
1472 gpt->mask[idx] = value & 0xF8000000;
1473 ppc4xx_gpt_compute_timer(gpt);
1478 static CPUReadMemoryFunc * const gpt_read[] = {
1484 static CPUWriteMemoryFunc * const gpt_write[] = {
1490 static void ppc4xx_gpt_cb (void *opaque)
1495 ppc4xx_gpt_set_irqs(gpt);
1496 ppc4xx_gpt_set_outputs(gpt);
1497 ppc4xx_gpt_compute_timer(gpt);
1500 static void ppc4xx_gpt_reset (void *opaque)
1506 qemu_del_timer(gpt->timer);
1507 gpt->oe = 0x00000000;
1508 gpt->ol = 0x00000000;
1509 gpt->im = 0x00000000;
1510 gpt->is = 0x00000000;
1511 gpt->ie = 0x00000000;
1512 for (i = 0; i < 5; i++) {
1513 gpt->comp[i] = 0x00000000;
1514 gpt->mask[i] = 0x00000000;
1518 static void ppc4xx_gpt_init(target_phys_addr_t base, qemu_irq irqs[5])
1524 gpt = qemu_mallocz(sizeof(ppc4xx_gpt_t));
1525 for (i = 0; i < 5; i++) {
1526 gpt->irqs[i] = irqs[i];
1528 gpt->timer = qemu_new_timer(vm_clock, &ppc4xx_gpt_cb, gpt);
1530 printf("%s: offset " TARGET_FMT_plx "\n", __func__, base);
1532 io = cpu_register_io_memory(gpt_read, gpt_write, gpt);
1533 cpu_register_physical_memory(base, 0x0d4, io);
1534 qemu_register_reset(ppc4xx_gpt_reset, gpt);
1537 /*****************************************************************************/
1543 MAL0_TXCASR = 0x184,
1544 MAL0_TXCARR = 0x185,
1545 MAL0_TXEOBISR = 0x186,
1546 MAL0_TXDEIR = 0x187,
1547 MAL0_RXCASR = 0x190,
1548 MAL0_RXCARR = 0x191,
1549 MAL0_RXEOBISR = 0x192,
1550 MAL0_RXDEIR = 0x193,
1551 MAL0_TXCTP0R = 0x1A0,
1552 MAL0_TXCTP1R = 0x1A1,
1553 MAL0_TXCTP2R = 0x1A2,
1554 MAL0_TXCTP3R = 0x1A3,
1555 MAL0_RXCTP0R = 0x1C0,
1556 MAL0_RXCTP1R = 0x1C1,
1561 typedef struct ppc40x_mal_t ppc40x_mal_t;
1562 struct ppc40x_mal_t {
1580 static void ppc40x_mal_reset (void *opaque);
1582 static uint32_t dcr_read_mal (void *opaque, int dcrn)
1605 ret = mal->txeobisr;
1617 ret = mal->rxeobisr;
1623 ret = mal->txctpr[0];
1626 ret = mal->txctpr[1];
1629 ret = mal->txctpr[2];
1632 ret = mal->txctpr[3];
1635 ret = mal->rxctpr[0];
1638 ret = mal->rxctpr[1];
1654 static void dcr_write_mal (void *opaque, int dcrn, uint32_t val)
1662 if (val & 0x80000000)
1663 ppc40x_mal_reset(mal);
1664 mal->cfg = val & 0x00FFC087;
1671 mal->ier = val & 0x0000001F;
1674 mal->txcasr = val & 0xF0000000;
1677 mal->txcarr = val & 0xF0000000;
1681 mal->txeobisr &= ~val;
1685 mal->txdeir &= ~val;
1688 mal->rxcasr = val & 0xC0000000;
1691 mal->rxcarr = val & 0xC0000000;
1695 mal->rxeobisr &= ~val;
1699 mal->rxdeir &= ~val;
1713 mal->txctpr[idx] = val;
1721 mal->rxctpr[idx] = val;
1725 goto update_rx_size;
1729 mal->rcbs[idx] = val & 0x000000FF;
1734 static void ppc40x_mal_reset (void *opaque)
1739 mal->cfg = 0x0007C000;
1740 mal->esr = 0x00000000;
1741 mal->ier = 0x00000000;
1742 mal->rxcasr = 0x00000000;
1743 mal->rxdeir = 0x00000000;
1744 mal->rxeobisr = 0x00000000;
1745 mal->txcasr = 0x00000000;
1746 mal->txdeir = 0x00000000;
1747 mal->txeobisr = 0x00000000;
1750 static void ppc405_mal_init(CPUState *env, qemu_irq irqs[4])
1755 mal = qemu_mallocz(sizeof(ppc40x_mal_t));
1756 for (i = 0; i < 4; i++)
1757 mal->irqs[i] = irqs[i];
1758 qemu_register_reset(&ppc40x_mal_reset, mal);
1759 ppc_dcr_register(env, MAL0_CFG,
1760 mal, &dcr_read_mal, &dcr_write_mal);
1761 ppc_dcr_register(env, MAL0_ESR,
1762 mal, &dcr_read_mal, &dcr_write_mal);
1763 ppc_dcr_register(env, MAL0_IER,
1764 mal, &dcr_read_mal, &dcr_write_mal);
1765 ppc_dcr_register(env, MAL0_TXCASR,
1766 mal, &dcr_read_mal, &dcr_write_mal);
1767 ppc_dcr_register(env, MAL0_TXCARR,
1768 mal, &dcr_read_mal, &dcr_write_mal);
1769 ppc_dcr_register(env, MAL0_TXEOBISR,
1770 mal, &dcr_read_mal, &dcr_write_mal);
1771 ppc_dcr_register(env, MAL0_TXDEIR,
1772 mal, &dcr_read_mal, &dcr_write_mal);
1773 ppc_dcr_register(env, MAL0_RXCASR,
1774 mal, &dcr_read_mal, &dcr_write_mal);
1775 ppc_dcr_register(env, MAL0_RXCARR,
1776 mal, &dcr_read_mal, &dcr_write_mal);
1777 ppc_dcr_register(env, MAL0_RXEOBISR,
1778 mal, &dcr_read_mal, &dcr_write_mal);
1779 ppc_dcr_register(env, MAL0_RXDEIR,
1780 mal, &dcr_read_mal, &dcr_write_mal);
1781 ppc_dcr_register(env, MAL0_TXCTP0R,
1782 mal, &dcr_read_mal, &dcr_write_mal);
1783 ppc_dcr_register(env, MAL0_TXCTP1R,
1784 mal, &dcr_read_mal, &dcr_write_mal);
1785 ppc_dcr_register(env, MAL0_TXCTP2R,
1786 mal, &dcr_read_mal, &dcr_write_mal);
1787 ppc_dcr_register(env, MAL0_TXCTP3R,
1788 mal, &dcr_read_mal, &dcr_write_mal);
1789 ppc_dcr_register(env, MAL0_RXCTP0R,
1790 mal, &dcr_read_mal, &dcr_write_mal);
1791 ppc_dcr_register(env, MAL0_RXCTP1R,
1792 mal, &dcr_read_mal, &dcr_write_mal);
1793 ppc_dcr_register(env, MAL0_RCBS0,
1794 mal, &dcr_read_mal, &dcr_write_mal);
1795 ppc_dcr_register(env, MAL0_RCBS1,
1796 mal, &dcr_read_mal, &dcr_write_mal);
1799 /*****************************************************************************/
1801 void ppc40x_core_reset (CPUState *env)
1805 printf("Reset PowerPC core\n");
1806 env->interrupt_request |= CPU_INTERRUPT_EXITTB;
1811 qemu_system_reset_request();
1813 dbsr = env->spr[SPR_40x_DBSR];
1814 dbsr &= ~0x00000300;
1816 env->spr[SPR_40x_DBSR] = dbsr;
1819 void ppc40x_chip_reset (CPUState *env)
1823 printf("Reset PowerPC chip\n");
1824 env->interrupt_request |= CPU_INTERRUPT_EXITTB;
1829 qemu_system_reset_request();
1831 /* XXX: TODO reset all internal peripherals */
1832 dbsr = env->spr[SPR_40x_DBSR];
1833 dbsr &= ~0x00000300;
1835 env->spr[SPR_40x_DBSR] = dbsr;
1838 void ppc40x_system_reset (CPUState *env)
1840 printf("Reset PowerPC system\n");
1841 qemu_system_reset_request();
1844 void store_40x_dbcr0 (CPUState *env, uint32_t val)
1846 switch ((val >> 28) & 0x3) {
1852 ppc40x_core_reset(env);
1856 ppc40x_chip_reset(env);
1860 ppc40x_system_reset(env);
1865 /*****************************************************************************/
1868 PPC405CR_CPC0_PLLMR = 0x0B0,
1869 PPC405CR_CPC0_CR0 = 0x0B1,
1870 PPC405CR_CPC0_CR1 = 0x0B2,
1871 PPC405CR_CPC0_PSR = 0x0B4,
1872 PPC405CR_CPC0_JTAGID = 0x0B5,
1873 PPC405CR_CPC0_ER = 0x0B9,
1874 PPC405CR_CPC0_FR = 0x0BA,
1875 PPC405CR_CPC0_SR = 0x0BB,
1879 PPC405CR_CPU_CLK = 0,
1880 PPC405CR_TMR_CLK = 1,
1881 PPC405CR_PLB_CLK = 2,
1882 PPC405CR_SDRAM_CLK = 3,
1883 PPC405CR_OPB_CLK = 4,
1884 PPC405CR_EXT_CLK = 5,
1885 PPC405CR_UART_CLK = 6,
1886 PPC405CR_CLK_NB = 7,
1889 typedef struct ppc405cr_cpc_t ppc405cr_cpc_t;
1890 struct ppc405cr_cpc_t {
1891 clk_setup_t clk_setup[PPC405CR_CLK_NB];
1902 static void ppc405cr_clk_setup (ppc405cr_cpc_t *cpc)
1904 uint64_t VCO_out, PLL_out;
1905 uint32_t CPU_clk, TMR_clk, SDRAM_clk, PLB_clk, OPB_clk, EXT_clk, UART_clk;
1908 D0 = ((cpc->pllmr >> 26) & 0x3) + 1; /* CBDV */
1909 if (cpc->pllmr & 0x80000000) {
1910 D1 = (((cpc->pllmr >> 20) - 1) & 0xF) + 1; /* FBDV */
1911 D2 = 8 - ((cpc->pllmr >> 16) & 0x7); /* FWDVA */
1913 VCO_out = cpc->sysclk * M;
1914 if (VCO_out < 400000000 || VCO_out > 800000000) {
1915 /* PLL cannot lock */
1916 cpc->pllmr &= ~0x80000000;
1919 PLL_out = VCO_out / D2;
1924 PLL_out = cpc->sysclk * M;
1927 if (cpc->cr1 & 0x00800000)
1928 TMR_clk = cpc->sysclk; /* Should have a separate clock */
1931 PLB_clk = CPU_clk / D0;
1932 SDRAM_clk = PLB_clk;
1933 D0 = ((cpc->pllmr >> 10) & 0x3) + 1;
1934 OPB_clk = PLB_clk / D0;
1935 D0 = ((cpc->pllmr >> 24) & 0x3) + 2;
1936 EXT_clk = PLB_clk / D0;
1937 D0 = ((cpc->cr0 >> 1) & 0x1F) + 1;
1938 UART_clk = CPU_clk / D0;
1939 /* Setup CPU clocks */
1940 clk_setup(&cpc->clk_setup[PPC405CR_CPU_CLK], CPU_clk);
1941 /* Setup time-base clock */
1942 clk_setup(&cpc->clk_setup[PPC405CR_TMR_CLK], TMR_clk);
1943 /* Setup PLB clock */
1944 clk_setup(&cpc->clk_setup[PPC405CR_PLB_CLK], PLB_clk);
1945 /* Setup SDRAM clock */
1946 clk_setup(&cpc->clk_setup[PPC405CR_SDRAM_CLK], SDRAM_clk);
1947 /* Setup OPB clock */
1948 clk_setup(&cpc->clk_setup[PPC405CR_OPB_CLK], OPB_clk);
1949 /* Setup external clock */
1950 clk_setup(&cpc->clk_setup[PPC405CR_EXT_CLK], EXT_clk);
1951 /* Setup UART clock */
1952 clk_setup(&cpc->clk_setup[PPC405CR_UART_CLK], UART_clk);
1955 static uint32_t dcr_read_crcpc (void *opaque, int dcrn)
1957 ppc405cr_cpc_t *cpc;
1962 case PPC405CR_CPC0_PLLMR:
1965 case PPC405CR_CPC0_CR0:
1968 case PPC405CR_CPC0_CR1:
1971 case PPC405CR_CPC0_PSR:
1974 case PPC405CR_CPC0_JTAGID:
1977 case PPC405CR_CPC0_ER:
1980 case PPC405CR_CPC0_FR:
1983 case PPC405CR_CPC0_SR:
1984 ret = ~(cpc->er | cpc->fr) & 0xFFFF0000;
1987 /* Avoid gcc warning */
1995 static void dcr_write_crcpc (void *opaque, int dcrn, uint32_t val)
1997 ppc405cr_cpc_t *cpc;
2001 case PPC405CR_CPC0_PLLMR:
2002 cpc->pllmr = val & 0xFFF77C3F;
2004 case PPC405CR_CPC0_CR0:
2005 cpc->cr0 = val & 0x0FFFFFFE;
2007 case PPC405CR_CPC0_CR1:
2008 cpc->cr1 = val & 0x00800000;
2010 case PPC405CR_CPC0_PSR:
2013 case PPC405CR_CPC0_JTAGID:
2016 case PPC405CR_CPC0_ER:
2017 cpc->er = val & 0xBFFC0000;
2019 case PPC405CR_CPC0_FR:
2020 cpc->fr = val & 0xBFFC0000;
2022 case PPC405CR_CPC0_SR:
2028 static void ppc405cr_cpc_reset (void *opaque)
2030 ppc405cr_cpc_t *cpc;
2034 /* Compute PLLMR value from PSR settings */
2035 cpc->pllmr = 0x80000000;
2037 switch ((cpc->psr >> 30) & 3) {
2040 cpc->pllmr &= ~0x80000000;
2044 cpc->pllmr |= 5 << 16;
2048 cpc->pllmr |= 4 << 16;
2052 cpc->pllmr |= 2 << 16;
2056 D = (cpc->psr >> 28) & 3;
2057 cpc->pllmr |= (D + 1) << 20;
2059 D = (cpc->psr >> 25) & 7;
2074 D = (cpc->psr >> 23) & 3;
2075 cpc->pllmr |= D << 26;
2077 D = (cpc->psr >> 21) & 3;
2078 cpc->pllmr |= D << 10;
2080 D = (cpc->psr >> 17) & 3;
2081 cpc->pllmr |= D << 24;
2082 cpc->cr0 = 0x0000003C;
2083 cpc->cr1 = 0x2B0D8800;
2084 cpc->er = 0x00000000;
2085 cpc->fr = 0x00000000;
2086 ppc405cr_clk_setup(cpc);
2089 static void ppc405cr_clk_init (ppc405cr_cpc_t *cpc)
2093 /* XXX: this should be read from IO pins */
2094 cpc->psr = 0x00000000; /* 8 bits ROM */
2096 D = 0x2; /* Divide by 4 */
2097 cpc->psr |= D << 30;
2099 D = 0x1; /* Divide by 2 */
2100 cpc->psr |= D << 28;
2102 D = 0x1; /* Divide by 2 */
2103 cpc->psr |= D << 23;
2105 D = 0x5; /* M = 16 */
2106 cpc->psr |= D << 25;
2108 D = 0x1; /* Divide by 2 */
2109 cpc->psr |= D << 21;
2111 D = 0x2; /* Divide by 4 */
2112 cpc->psr |= D << 17;
2115 static void ppc405cr_cpc_init (CPUState *env, clk_setup_t clk_setup[7],
2118 ppc405cr_cpc_t *cpc;
2120 cpc = qemu_mallocz(sizeof(ppc405cr_cpc_t));
2121 memcpy(cpc->clk_setup, clk_setup,
2122 PPC405CR_CLK_NB * sizeof(clk_setup_t));
2123 cpc->sysclk = sysclk;
2124 cpc->jtagid = 0x42051049;
2125 ppc_dcr_register(env, PPC405CR_CPC0_PSR, cpc,
2126 &dcr_read_crcpc, &dcr_write_crcpc);
2127 ppc_dcr_register(env, PPC405CR_CPC0_CR0, cpc,
2128 &dcr_read_crcpc, &dcr_write_crcpc);
2129 ppc_dcr_register(env, PPC405CR_CPC0_CR1, cpc,
2130 &dcr_read_crcpc, &dcr_write_crcpc);
2131 ppc_dcr_register(env, PPC405CR_CPC0_JTAGID, cpc,
2132 &dcr_read_crcpc, &dcr_write_crcpc);
2133 ppc_dcr_register(env, PPC405CR_CPC0_PLLMR, cpc,
2134 &dcr_read_crcpc, &dcr_write_crcpc);
2135 ppc_dcr_register(env, PPC405CR_CPC0_ER, cpc,
2136 &dcr_read_crcpc, &dcr_write_crcpc);
2137 ppc_dcr_register(env, PPC405CR_CPC0_FR, cpc,
2138 &dcr_read_crcpc, &dcr_write_crcpc);
2139 ppc_dcr_register(env, PPC405CR_CPC0_SR, cpc,
2140 &dcr_read_crcpc, &dcr_write_crcpc);
2141 ppc405cr_clk_init(cpc);
2142 qemu_register_reset(ppc405cr_cpc_reset, cpc);
2145 CPUState *ppc405cr_init (target_phys_addr_t ram_bases[4],
2146 target_phys_addr_t ram_sizes[4],
2147 uint32_t sysclk, qemu_irq **picp,
2150 clk_setup_t clk_setup[PPC405CR_CLK_NB];
2151 qemu_irq dma_irqs[4];
2153 qemu_irq *pic, *irqs;
2155 memset(clk_setup, 0, sizeof(clk_setup));
2156 env = ppc4xx_init("405cr", &clk_setup[PPC405CR_CPU_CLK],
2157 &clk_setup[PPC405CR_TMR_CLK], sysclk);
2158 /* Memory mapped devices registers */
2160 ppc4xx_plb_init(env);
2161 /* PLB to OPB bridge */
2162 ppc4xx_pob_init(env);
2164 ppc4xx_opba_init(0xef600600);
2165 /* Universal interrupt controller */
2166 irqs = qemu_mallocz(sizeof(qemu_irq) * PPCUIC_OUTPUT_NB);
2167 irqs[PPCUIC_OUTPUT_INT] =
2168 ((qemu_irq *)env->irq_inputs)[PPC40x_INPUT_INT];
2169 irqs[PPCUIC_OUTPUT_CINT] =
2170 ((qemu_irq *)env->irq_inputs)[PPC40x_INPUT_CINT];
2171 pic = ppcuic_init(env, irqs, 0x0C0, 0, 1);
2173 /* SDRAM controller */
2174 ppc4xx_sdram_init(env, pic[14], 1, ram_bases, ram_sizes, do_init);
2175 /* External bus controller */
2176 ppc405_ebc_init(env);
2177 /* DMA controller */
2178 dma_irqs[0] = pic[26];
2179 dma_irqs[1] = pic[25];
2180 dma_irqs[2] = pic[24];
2181 dma_irqs[3] = pic[23];
2182 ppc405_dma_init(env, dma_irqs);
2184 if (serial_hds[0] != NULL) {
2185 serial_mm_init(0xef600300, 0, pic[0], PPC_SERIAL_MM_BAUDBASE,
2186 serial_hds[0], 1, 1);
2188 if (serial_hds[1] != NULL) {
2189 serial_mm_init(0xef600400, 0, pic[1], PPC_SERIAL_MM_BAUDBASE,
2190 serial_hds[1], 1, 1);
2192 /* IIC controller */
2193 ppc405_i2c_init(0xef600500, pic[2]);
2195 ppc405_gpio_init(0xef600700);
2197 ppc405cr_cpc_init(env, clk_setup, sysclk);
2202 /*****************************************************************************/
2206 PPC405EP_CPC0_PLLMR0 = 0x0F0,
2207 PPC405EP_CPC0_BOOT = 0x0F1,
2208 PPC405EP_CPC0_EPCTL = 0x0F3,
2209 PPC405EP_CPC0_PLLMR1 = 0x0F4,
2210 PPC405EP_CPC0_UCR = 0x0F5,
2211 PPC405EP_CPC0_SRR = 0x0F6,
2212 PPC405EP_CPC0_JTAGID = 0x0F7,
2213 PPC405EP_CPC0_PCI = 0x0F9,
2215 PPC405EP_CPC0_ER = xxx,
2216 PPC405EP_CPC0_FR = xxx,
2217 PPC405EP_CPC0_SR = xxx,
2222 PPC405EP_CPU_CLK = 0,
2223 PPC405EP_PLB_CLK = 1,
2224 PPC405EP_OPB_CLK = 2,
2225 PPC405EP_EBC_CLK = 3,
2226 PPC405EP_MAL_CLK = 4,
2227 PPC405EP_PCI_CLK = 5,
2228 PPC405EP_UART0_CLK = 6,
2229 PPC405EP_UART1_CLK = 7,
2230 PPC405EP_CLK_NB = 8,
2233 typedef struct ppc405ep_cpc_t ppc405ep_cpc_t;
2234 struct ppc405ep_cpc_t {
2236 clk_setup_t clk_setup[PPC405EP_CLK_NB];
2244 /* Clock and power management */
2250 static void ppc405ep_compute_clocks (ppc405ep_cpc_t *cpc)
2252 uint32_t CPU_clk, PLB_clk, OPB_clk, EBC_clk, MAL_clk, PCI_clk;
2253 uint32_t UART0_clk, UART1_clk;
2254 uint64_t VCO_out, PLL_out;
2258 if ((cpc->pllmr[1] & 0x80000000) && !(cpc->pllmr[1] & 0x40000000)) {
2259 M = (((cpc->pllmr[1] >> 20) - 1) & 0xF) + 1; /* FBMUL */
2260 #ifdef DEBUG_CLOCKS_LL
2261 printf("FBMUL %01" PRIx32 " %d\n", (cpc->pllmr[1] >> 20) & 0xF, M);
2263 D = 8 - ((cpc->pllmr[1] >> 16) & 0x7); /* FWDA */
2264 #ifdef DEBUG_CLOCKS_LL
2265 printf("FWDA %01" PRIx32 " %d\n", (cpc->pllmr[1] >> 16) & 0x7, D);
2267 VCO_out = cpc->sysclk * M * D;
2268 if (VCO_out < 500000000UL || VCO_out > 1000000000UL) {
2269 /* Error - unlock the PLL */
2270 printf("VCO out of range %" PRIu64 "\n", VCO_out);
2272 cpc->pllmr[1] &= ~0x80000000;
2276 PLL_out = VCO_out / D;
2277 /* Pretend the PLL is locked */
2278 cpc->boot |= 0x00000001;
2283 PLL_out = cpc->sysclk;
2284 if (cpc->pllmr[1] & 0x40000000) {
2285 /* Pretend the PLL is not locked */
2286 cpc->boot &= ~0x00000001;
2289 /* Now, compute all other clocks */
2290 D = ((cpc->pllmr[0] >> 20) & 0x3) + 1; /* CCDV */
2291 #ifdef DEBUG_CLOCKS_LL
2292 printf("CCDV %01" PRIx32 " %d\n", (cpc->pllmr[0] >> 20) & 0x3, D);
2294 CPU_clk = PLL_out / D;
2295 D = ((cpc->pllmr[0] >> 16) & 0x3) + 1; /* CBDV */
2296 #ifdef DEBUG_CLOCKS_LL
2297 printf("CBDV %01" PRIx32 " %d\n", (cpc->pllmr[0] >> 16) & 0x3, D);
2299 PLB_clk = CPU_clk / D;
2300 D = ((cpc->pllmr[0] >> 12) & 0x3) + 1; /* OPDV */
2301 #ifdef DEBUG_CLOCKS_LL
2302 printf("OPDV %01" PRIx32 " %d\n", (cpc->pllmr[0] >> 12) & 0x3, D);
2304 OPB_clk = PLB_clk / D;
2305 D = ((cpc->pllmr[0] >> 8) & 0x3) + 2; /* EPDV */
2306 #ifdef DEBUG_CLOCKS_LL
2307 printf("EPDV %01" PRIx32 " %d\n", (cpc->pllmr[0] >> 8) & 0x3, D);
2309 EBC_clk = PLB_clk / D;
2310 D = ((cpc->pllmr[0] >> 4) & 0x3) + 1; /* MPDV */
2311 #ifdef DEBUG_CLOCKS_LL
2312 printf("MPDV %01" PRIx32 " %d\n", (cpc->pllmr[0] >> 4) & 0x3, D);
2314 MAL_clk = PLB_clk / D;
2315 D = (cpc->pllmr[0] & 0x3) + 1; /* PPDV */
2316 #ifdef DEBUG_CLOCKS_LL
2317 printf("PPDV %01" PRIx32 " %d\n", cpc->pllmr[0] & 0x3, D);
2319 PCI_clk = PLB_clk / D;
2320 D = ((cpc->ucr - 1) & 0x7F) + 1; /* U0DIV */
2321 #ifdef DEBUG_CLOCKS_LL
2322 printf("U0DIV %01" PRIx32 " %d\n", cpc->ucr & 0x7F, D);
2324 UART0_clk = PLL_out / D;
2325 D = (((cpc->ucr >> 8) - 1) & 0x7F) + 1; /* U1DIV */
2326 #ifdef DEBUG_CLOCKS_LL
2327 printf("U1DIV %01" PRIx32 " %d\n", (cpc->ucr >> 8) & 0x7F, D);
2329 UART1_clk = PLL_out / D;
2331 printf("Setup PPC405EP clocks - sysclk %" PRIu32 " VCO %" PRIu64
2332 " PLL out %" PRIu64 " Hz\n", cpc->sysclk, VCO_out, PLL_out);
2333 printf("CPU %" PRIu32 " PLB %" PRIu32 " OPB %" PRIu32 " EBC %" PRIu32
2334 " MAL %" PRIu32 " PCI %" PRIu32 " UART0 %" PRIu32
2335 " UART1 %" PRIu32 "\n",
2336 CPU_clk, PLB_clk, OPB_clk, EBC_clk, MAL_clk, PCI_clk,
2337 UART0_clk, UART1_clk);
2339 /* Setup CPU clocks */
2340 clk_setup(&cpc->clk_setup[PPC405EP_CPU_CLK], CPU_clk);
2341 /* Setup PLB clock */
2342 clk_setup(&cpc->clk_setup[PPC405EP_PLB_CLK], PLB_clk);
2343 /* Setup OPB clock */
2344 clk_setup(&cpc->clk_setup[PPC405EP_OPB_CLK], OPB_clk);
2345 /* Setup external clock */
2346 clk_setup(&cpc->clk_setup[PPC405EP_EBC_CLK], EBC_clk);
2347 /* Setup MAL clock */
2348 clk_setup(&cpc->clk_setup[PPC405EP_MAL_CLK], MAL_clk);
2349 /* Setup PCI clock */
2350 clk_setup(&cpc->clk_setup[PPC405EP_PCI_CLK], PCI_clk);
2351 /* Setup UART0 clock */
2352 clk_setup(&cpc->clk_setup[PPC405EP_UART0_CLK], UART0_clk);
2353 /* Setup UART1 clock */
2354 clk_setup(&cpc->clk_setup[PPC405EP_UART1_CLK], UART1_clk);
2357 static uint32_t dcr_read_epcpc (void *opaque, int dcrn)
2359 ppc405ep_cpc_t *cpc;
2364 case PPC405EP_CPC0_BOOT:
2367 case PPC405EP_CPC0_EPCTL:
2370 case PPC405EP_CPC0_PLLMR0:
2371 ret = cpc->pllmr[0];
2373 case PPC405EP_CPC0_PLLMR1:
2374 ret = cpc->pllmr[1];
2376 case PPC405EP_CPC0_UCR:
2379 case PPC405EP_CPC0_SRR:
2382 case PPC405EP_CPC0_JTAGID:
2385 case PPC405EP_CPC0_PCI:
2389 /* Avoid gcc warning */
2397 static void dcr_write_epcpc (void *opaque, int dcrn, uint32_t val)
2399 ppc405ep_cpc_t *cpc;
2403 case PPC405EP_CPC0_BOOT:
2404 /* Read-only register */
2406 case PPC405EP_CPC0_EPCTL:
2407 /* Don't care for now */
2408 cpc->epctl = val & 0xC00000F3;
2410 case PPC405EP_CPC0_PLLMR0:
2411 cpc->pllmr[0] = val & 0x00633333;
2412 ppc405ep_compute_clocks(cpc);
2414 case PPC405EP_CPC0_PLLMR1:
2415 cpc->pllmr[1] = val & 0xC0F73FFF;
2416 ppc405ep_compute_clocks(cpc);
2418 case PPC405EP_CPC0_UCR:
2419 /* UART control - don't care for now */
2420 cpc->ucr = val & 0x003F7F7F;
2422 case PPC405EP_CPC0_SRR:
2425 case PPC405EP_CPC0_JTAGID:
2428 case PPC405EP_CPC0_PCI:
2434 static void ppc405ep_cpc_reset (void *opaque)
2436 ppc405ep_cpc_t *cpc = opaque;
2438 cpc->boot = 0x00000010; /* Boot from PCI - IIC EEPROM disabled */
2439 cpc->epctl = 0x00000000;
2440 cpc->pllmr[0] = 0x00011010;
2441 cpc->pllmr[1] = 0x40000000;
2442 cpc->ucr = 0x00000000;
2443 cpc->srr = 0x00040000;
2444 cpc->pci = 0x00000000;
2445 cpc->er = 0x00000000;
2446 cpc->fr = 0x00000000;
2447 cpc->sr = 0x00000000;
2448 ppc405ep_compute_clocks(cpc);
2451 /* XXX: sysclk should be between 25 and 100 MHz */
2452 static void ppc405ep_cpc_init (CPUState *env, clk_setup_t clk_setup[8],
2455 ppc405ep_cpc_t *cpc;
2457 cpc = qemu_mallocz(sizeof(ppc405ep_cpc_t));
2458 memcpy(cpc->clk_setup, clk_setup,
2459 PPC405EP_CLK_NB * sizeof(clk_setup_t));
2460 cpc->jtagid = 0x20267049;
2461 cpc->sysclk = sysclk;
2462 qemu_register_reset(&ppc405ep_cpc_reset, cpc);
2463 ppc_dcr_register(env, PPC405EP_CPC0_BOOT, cpc,
2464 &dcr_read_epcpc, &dcr_write_epcpc);
2465 ppc_dcr_register(env, PPC405EP_CPC0_EPCTL, cpc,
2466 &dcr_read_epcpc, &dcr_write_epcpc);
2467 ppc_dcr_register(env, PPC405EP_CPC0_PLLMR0, cpc,
2468 &dcr_read_epcpc, &dcr_write_epcpc);
2469 ppc_dcr_register(env, PPC405EP_CPC0_PLLMR1, cpc,
2470 &dcr_read_epcpc, &dcr_write_epcpc);
2471 ppc_dcr_register(env, PPC405EP_CPC0_UCR, cpc,
2472 &dcr_read_epcpc, &dcr_write_epcpc);
2473 ppc_dcr_register(env, PPC405EP_CPC0_SRR, cpc,
2474 &dcr_read_epcpc, &dcr_write_epcpc);
2475 ppc_dcr_register(env, PPC405EP_CPC0_JTAGID, cpc,
2476 &dcr_read_epcpc, &dcr_write_epcpc);
2477 ppc_dcr_register(env, PPC405EP_CPC0_PCI, cpc,
2478 &dcr_read_epcpc, &dcr_write_epcpc);
2480 ppc_dcr_register(env, PPC405EP_CPC0_ER, cpc,
2481 &dcr_read_epcpc, &dcr_write_epcpc);
2482 ppc_dcr_register(env, PPC405EP_CPC0_FR, cpc,
2483 &dcr_read_epcpc, &dcr_write_epcpc);
2484 ppc_dcr_register(env, PPC405EP_CPC0_SR, cpc,
2485 &dcr_read_epcpc, &dcr_write_epcpc);
2489 CPUState *ppc405ep_init (target_phys_addr_t ram_bases[2],
2490 target_phys_addr_t ram_sizes[2],
2491 uint32_t sysclk, qemu_irq **picp,
2494 clk_setup_t clk_setup[PPC405EP_CLK_NB], tlb_clk_setup;
2495 qemu_irq dma_irqs[4], gpt_irqs[5], mal_irqs[4];
2497 qemu_irq *pic, *irqs;
2499 memset(clk_setup, 0, sizeof(clk_setup));
2501 env = ppc4xx_init("405ep", &clk_setup[PPC405EP_CPU_CLK],
2502 &tlb_clk_setup, sysclk);
2503 clk_setup[PPC405EP_CPU_CLK].cb = tlb_clk_setup.cb;
2504 clk_setup[PPC405EP_CPU_CLK].opaque = tlb_clk_setup.opaque;
2505 /* Internal devices init */
2506 /* Memory mapped devices registers */
2508 ppc4xx_plb_init(env);
2509 /* PLB to OPB bridge */
2510 ppc4xx_pob_init(env);
2512 ppc4xx_opba_init(0xef600600);
2513 /* Universal interrupt controller */
2514 irqs = qemu_mallocz(sizeof(qemu_irq) * PPCUIC_OUTPUT_NB);
2515 irqs[PPCUIC_OUTPUT_INT] =
2516 ((qemu_irq *)env->irq_inputs)[PPC40x_INPUT_INT];
2517 irqs[PPCUIC_OUTPUT_CINT] =
2518 ((qemu_irq *)env->irq_inputs)[PPC40x_INPUT_CINT];
2519 pic = ppcuic_init(env, irqs, 0x0C0, 0, 1);
2521 /* SDRAM controller */
2522 /* XXX 405EP has no ECC interrupt */
2523 ppc4xx_sdram_init(env, pic[17], 2, ram_bases, ram_sizes, do_init);
2524 /* External bus controller */
2525 ppc405_ebc_init(env);
2526 /* DMA controller */
2527 dma_irqs[0] = pic[5];
2528 dma_irqs[1] = pic[6];
2529 dma_irqs[2] = pic[7];
2530 dma_irqs[3] = pic[8];
2531 ppc405_dma_init(env, dma_irqs);
2532 /* IIC controller */
2533 ppc405_i2c_init(0xef600500, pic[2]);
2535 ppc405_gpio_init(0xef600700);
2537 if (serial_hds[0] != NULL) {
2538 serial_mm_init(0xef600300, 0, pic[0], PPC_SERIAL_MM_BAUDBASE,
2539 serial_hds[0], 1, 1);
2541 if (serial_hds[1] != NULL) {
2542 serial_mm_init(0xef600400, 0, pic[1], PPC_SERIAL_MM_BAUDBASE,
2543 serial_hds[1], 1, 1);
2546 ppc405_ocm_init(env);
2548 gpt_irqs[0] = pic[19];
2549 gpt_irqs[1] = pic[20];
2550 gpt_irqs[2] = pic[21];
2551 gpt_irqs[3] = pic[22];
2552 gpt_irqs[4] = pic[23];
2553 ppc4xx_gpt_init(0xef600000, gpt_irqs);
2555 /* Uses pic[3], pic[16], pic[18] */
2557 mal_irqs[0] = pic[11];
2558 mal_irqs[1] = pic[12];
2559 mal_irqs[2] = pic[13];
2560 mal_irqs[3] = pic[14];
2561 ppc405_mal_init(env, mal_irqs);
2563 /* Uses pic[9], pic[15], pic[17] */
2565 ppc405ep_cpc_init(env, clk_setup, sysclk);