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"
29
#include "sysemu/sysemu.h"
31
#include "exec/address-spaces.h"
42
//#define DEBUG_CLOCKS_LL
44
ram_addr_t ppc405_set_bootinfo (CPUPPCState *env, ppc4xx_bd_info_t *bd,
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);
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]);
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]);
74
for (i = 0; i < 32; i++) {
75
stb_phys(bdloc + 0x3C + i, bd->bi_r_version[i]);
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]);
83
if (flags & 0x00000001) {
84
for (i = 0; i < 6; i++)
85
stb_phys(bdloc + n++, bd->bi_pci_enetaddr2[i]);
87
stl_be_phys(bdloc + n, bd->bi_opbfreq);
89
for (i = 0; i < 2; i++) {
90
stl_be_phys(bdloc + n, bd->bi_iic_fast[i]);
97
/*****************************************************************************/
98
/* Shared peripherals */
100
/*****************************************************************************/
101
/* Peripheral local bus arbitrer */
108
typedef struct ppc4xx_plb_t ppc4xx_plb_t;
109
struct ppc4xx_plb_t {
115
static uint32_t dcr_read_plb (void *opaque, int dcrn)
132
/* Avoid gcc warning */
140
static void dcr_write_plb (void *opaque, int dcrn, uint32_t val)
147
/* We don't care about the actual parameters written as
148
* we don't manage any priorities on the bus
150
plb->acr = val & 0xF8000000;
162
static void ppc4xx_plb_reset (void *opaque)
167
plb->acr = 0x00000000;
168
plb->bear = 0x00000000;
169
plb->besr = 0x00000000;
172
static void ppc4xx_plb_init(CPUPPCState *env)
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);
183
/*****************************************************************************/
184
/* PLB to OPB bridge */
191
typedef struct ppc4xx_pob_t ppc4xx_pob_t;
192
struct ppc4xx_pob_t {
198
static uint32_t dcr_read_pob (void *opaque, int dcrn)
215
/* Avoid gcc warning */
223
static void dcr_write_pob (void *opaque, int dcrn, uint32_t val)
243
static void ppc4xx_pob_reset (void *opaque)
249
pob->bear = 0x00000000;
250
pob->besr0 = 0x0000000;
251
pob->besr1 = 0x0000000;
254
static void ppc4xx_pob_init(CPUPPCState *env)
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);
265
/*****************************************************************************/
267
typedef struct ppc4xx_opba_t ppc4xx_opba_t;
268
struct ppc4xx_opba_t {
274
static uint32_t opba_readb (void *opaque, hwaddr addr)
280
printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
298
static void opba_writeb (void *opaque,
299
hwaddr addr, uint32_t value)
304
printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
310
opba->cr = value & 0xF8;
313
opba->pr = value & 0xFF;
320
static uint32_t opba_readw (void *opaque, hwaddr addr)
325
printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
327
ret = opba_readb(opaque, addr) << 8;
328
ret |= opba_readb(opaque, addr + 1);
333
static void opba_writew (void *opaque,
334
hwaddr addr, uint32_t value)
337
printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
340
opba_writeb(opaque, addr, value >> 8);
341
opba_writeb(opaque, addr + 1, value);
344
static uint32_t opba_readl (void *opaque, hwaddr addr)
349
printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
351
ret = opba_readb(opaque, addr) << 24;
352
ret |= opba_readb(opaque, addr + 1) << 16;
357
static void opba_writel (void *opaque,
358
hwaddr addr, uint32_t value)
361
printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
364
opba_writeb(opaque, addr, value >> 24);
365
opba_writeb(opaque, addr + 1, value >> 16);
368
static const MemoryRegionOps opba_ops = {
370
.read = { opba_readb, opba_readw, opba_readl, },
371
.write = { opba_writeb, opba_writew, opba_writel, },
373
.endianness = DEVICE_NATIVE_ENDIAN,
376
static void ppc4xx_opba_reset (void *opaque)
381
opba->cr = 0x00; /* No dynamic priorities - park disabled */
385
static void ppc4xx_opba_init(hwaddr base)
389
opba = g_malloc0(sizeof(ppc4xx_opba_t));
391
printf("%s: offset " TARGET_FMT_plx "\n", __func__, base);
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);
398
/*****************************************************************************/
399
/* Code decompression controller */
402
/*****************************************************************************/
403
/* Peripheral controller */
404
typedef struct ppc4xx_ebc_t ppc4xx_ebc_t;
405
struct ppc4xx_ebc_t {
416
EBC0_CFGADDR = 0x012,
417
EBC0_CFGDATA = 0x013,
420
static uint32_t dcr_read_ebc (void *opaque, int dcrn)
432
case 0x00: /* B0CR */
435
case 0x01: /* B1CR */
438
case 0x02: /* B2CR */
441
case 0x03: /* B3CR */
444
case 0x04: /* B4CR */
447
case 0x05: /* B5CR */
450
case 0x06: /* B6CR */
453
case 0x07: /* B7CR */
456
case 0x10: /* B0AP */
459
case 0x11: /* B1AP */
462
case 0x12: /* B2AP */
465
case 0x13: /* B3AP */
468
case 0x14: /* B4AP */
471
case 0x15: /* B5AP */
474
case 0x16: /* B6AP */
477
case 0x17: /* B7AP */
480
case 0x20: /* BEAR */
483
case 0x21: /* BESR0 */
486
case 0x22: /* BESR1 */
505
static void dcr_write_ebc (void *opaque, int dcrn, uint32_t val)
516
case 0x00: /* B0CR */
518
case 0x01: /* B1CR */
520
case 0x02: /* B2CR */
522
case 0x03: /* B3CR */
524
case 0x04: /* B4CR */
526
case 0x05: /* B5CR */
528
case 0x06: /* B6CR */
530
case 0x07: /* B7CR */
532
case 0x10: /* B0AP */
534
case 0x11: /* B1AP */
536
case 0x12: /* B2AP */
538
case 0x13: /* B3AP */
540
case 0x14: /* B4AP */
542
case 0x15: /* B5AP */
544
case 0x16: /* B6AP */
546
case 0x17: /* B7AP */
548
case 0x20: /* BEAR */
550
case 0x21: /* BESR0 */
552
case 0x22: /* BESR1 */
565
static void ebc_reset (void *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;
578
ebc->besr0 = 0x00000000;
579
ebc->besr1 = 0x00000000;
580
ebc->cfg = 0x80400000;
583
static void ppc405_ebc_init(CPUPPCState *env)
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);
595
/*****************************************************************************/
624
typedef struct ppc405_dma_t ppc405_dma_t;
625
struct ppc405_dma_t {
638
static uint32_t dcr_read_dma (void *opaque, int dcrn)
643
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(CPUPPCState *env, qemu_irq irqs[4])
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);
723
/*****************************************************************************/
725
typedef struct ppc405_gpio_t ppc405_gpio_t;
726
struct ppc405_gpio_t {
741
static uint32_t ppc405_gpio_readb (void *opaque, hwaddr addr)
744
printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
750
static void ppc405_gpio_writeb (void *opaque,
751
hwaddr addr, uint32_t value)
754
printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
759
static uint32_t ppc405_gpio_readw (void *opaque, hwaddr addr)
762
printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
768
static void ppc405_gpio_writew (void *opaque,
769
hwaddr addr, uint32_t value)
772
printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
777
static uint32_t ppc405_gpio_readl (void *opaque, hwaddr addr)
780
printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
786
static void ppc405_gpio_writel (void *opaque,
787
hwaddr addr, uint32_t value)
790
printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
795
static const MemoryRegionOps ppc405_gpio_ops = {
797
.read = { ppc405_gpio_readb, ppc405_gpio_readw, ppc405_gpio_readl, },
798
.write = { ppc405_gpio_writeb, ppc405_gpio_writew, ppc405_gpio_writel, },
800
.endianness = DEVICE_NATIVE_ENDIAN,
803
static void ppc405_gpio_reset (void *opaque)
807
static void ppc405_gpio_init(hwaddr base)
811
gpio = g_malloc0(sizeof(ppc405_gpio_t));
813
printf("%s: offset " TARGET_FMT_plx "\n", __func__, base);
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);
820
/*****************************************************************************/
824
OCM0_ISACNTL = 0x019,
826
OCM0_DSACNTL = 0x01B,
829
typedef struct ppc405_ocm_t ppc405_ocm_t;
830
struct ppc405_ocm_t {
832
MemoryRegion isarc_ram;
833
MemoryRegion dsarc_ram;
840
static void ocm_update_mappings (ppc405_ocm_t *ocm,
841
uint32_t isarc, uint32_t isacntl,
842
uint32_t dsarc, uint32_t dsacntl)
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);
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);
858
if (isacntl & 0x80000000) {
859
/* Map new instruction memory region */
861
printf("OCM map ISA %08" PRIx32 "\n", isarc);
863
memory_region_add_subregion(get_system_memory(), isarc,
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 */
874
printf("OCM unmap DSA %08" PRIx32 "\n", ocm->dsarc);
876
memory_region_del_subregion(get_system_memory(),
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 */
885
printf("OCM map DSA %08" PRIx32 "\n", dsarc);
887
memory_region_add_subregion(get_system_memory(), dsarc,
894
static uint32_t dcr_read_ocm (void *opaque, int dcrn)
921
static void dcr_write_ocm (void *opaque, int dcrn, uint32_t val)
924
uint32_t isarc, dsarc, isacntl, dsacntl;
929
isacntl = ocm->isacntl;
930
dsacntl = ocm->dsacntl;
933
isarc = val & 0xFC000000;
936
isacntl = val & 0xC0000000;
939
isarc = val & 0xFC000000;
942
isacntl = val & 0xC0000000;
945
ocm_update_mappings(ocm, isarc, isacntl, dsarc, dsacntl);
948
ocm->isacntl = isacntl;
949
ocm->dsacntl = dsacntl;
952
static void ocm_reset (void *opaque)
955
uint32_t isarc, dsarc, isacntl, dsacntl;
959
isacntl = 0x00000000;
961
dsacntl = 0x00000000;
962
ocm_update_mappings(ocm, isarc, isacntl, dsarc, dsacntl);
965
ocm->isacntl = isacntl;
966
ocm->dsacntl = dsacntl;
969
static void ppc405_ocm_init(CPUPPCState *env)
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,
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);
990
/*****************************************************************************/
992
typedef struct ppc4xx_i2c_t ppc4xx_i2c_t;
993
struct ppc4xx_i2c_t {
1013
static uint32_t ppc4xx_i2c_readb (void *opaque, hwaddr addr)
1019
printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
1024
// i2c_readbyte(&i2c->mdata);
1064
ret = i2c->xtcntlss;
1067
ret = i2c->directcntl;
1074
printf("%s: addr " TARGET_FMT_plx " %02" PRIx32 "\n", __func__, addr, ret);
1080
static void ppc4xx_i2c_writeb (void *opaque,
1081
hwaddr addr, uint32_t value)
1086
printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
1093
// i2c_sendbyte(&i2c->mdata);
1108
i2c->mdcntl = value & 0xDF;
1111
i2c->sts &= ~(value & 0x0A);
1114
i2c->extsts &= ~(value & 0x8F);
1123
i2c->clkdiv = value;
1126
i2c->intrmsk = value;
1129
i2c->xfrcnt = value & 0x77;
1132
i2c->xtcntlss = value;
1135
i2c->directcntl = value & 0x7;
1140
static uint32_t ppc4xx_i2c_readw (void *opaque, hwaddr addr)
1145
printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
1147
ret = ppc4xx_i2c_readb(opaque, addr) << 8;
1148
ret |= ppc4xx_i2c_readb(opaque, addr + 1);
1153
static void ppc4xx_i2c_writew (void *opaque,
1154
hwaddr addr, uint32_t value)
1157
printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
1160
ppc4xx_i2c_writeb(opaque, addr, value >> 8);
1161
ppc4xx_i2c_writeb(opaque, addr + 1, value);
1164
static uint32_t ppc4xx_i2c_readl (void *opaque, hwaddr addr)
1169
printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
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);
1179
static void ppc4xx_i2c_writel (void *opaque,
1180
hwaddr addr, uint32_t value)
1183
printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
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);
1192
static const MemoryRegionOps i2c_ops = {
1194
.read = { ppc4xx_i2c_readb, ppc4xx_i2c_readw, ppc4xx_i2c_readl, },
1195
.write = { ppc4xx_i2c_writeb, ppc4xx_i2c_writew, ppc4xx_i2c_writel, },
1197
.endianness = DEVICE_NATIVE_ENDIAN,
1200
static void ppc4xx_i2c_reset (void *opaque)
1213
i2c->directcntl = 0x0F;
1216
static void ppc405_i2c_init(hwaddr base, qemu_irq irq)
1220
i2c = g_malloc0(sizeof(ppc4xx_i2c_t));
1223
printf("%s: offset " TARGET_FMT_plx "\n", __func__, base);
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);
1230
/*****************************************************************************/
1231
/* General purpose timers */
1232
typedef struct ppc4xx_gpt_t ppc4xx_gpt_t;
1233
struct ppc4xx_gpt_t {
1237
struct QEMUTimer *timer;
1248
static uint32_t ppc4xx_gpt_readb (void *opaque, hwaddr addr)
1251
printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
1253
/* XXX: generate a bus fault */
1257
static void ppc4xx_gpt_writeb (void *opaque,
1258
hwaddr addr, uint32_t value)
1261
printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
1264
/* XXX: generate a bus fault */
1267
static uint32_t ppc4xx_gpt_readw (void *opaque, hwaddr addr)
1270
printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
1272
/* XXX: generate a bus fault */
1276
static void ppc4xx_gpt_writew (void *opaque,
1277
hwaddr addr, uint32_t value)
1280
printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
1283
/* XXX: generate a bus fault */
1286
static int ppc4xx_gpt_compare (ppc4xx_gpt_t *gpt, int n)
1292
static void ppc4xx_gpt_set_output (ppc4xx_gpt_t *gpt, int n, int level)
1297
static void ppc4xx_gpt_set_outputs (ppc4xx_gpt_t *gpt)
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);
1310
/* Comparison is KO */
1311
ppc4xx_gpt_set_output(gpt, i, gpt->ol & mask ? 0 : 1);
1318
static void ppc4xx_gpt_set_irqs (ppc4xx_gpt_t *gpt)
1324
for (i = 0; i < 5; i++) {
1325
if (gpt->is & gpt->im & mask)
1326
qemu_irq_raise(gpt->irqs[i]);
1328
qemu_irq_lower(gpt->irqs[i]);
1333
static void ppc4xx_gpt_compute_timer (ppc4xx_gpt_t *gpt)
1338
static uint32_t ppc4xx_gpt_readl (void *opaque, hwaddr addr)
1345
printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
1350
/* Time base counter */
1351
ret = muldiv64(qemu_get_clock_ns(vm_clock) + gpt->tb_offset,
1352
gpt->tb_freq, get_ticks_per_sec());
1363
/* Interrupt mask */
1368
/* Interrupt status */
1372
/* Interrupt enable */
1377
idx = (addr - 0x80) >> 2;
1378
ret = gpt->comp[idx];
1382
idx = (addr - 0xC0) >> 2;
1383
ret = gpt->mask[idx];
1393
static void ppc4xx_gpt_writel (void *opaque,
1394
hwaddr addr, uint32_t value)
1400
printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
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);
1413
gpt->oe = value & 0xF8000000;
1414
ppc4xx_gpt_set_outputs(gpt);
1418
gpt->ol = value & 0xF8000000;
1419
ppc4xx_gpt_set_outputs(gpt);
1422
/* Interrupt mask */
1423
gpt->im = value & 0x0000F800;
1426
/* Interrupt status set */
1427
gpt->is |= value & 0x0000F800;
1428
ppc4xx_gpt_set_irqs(gpt);
1431
/* Interrupt status clear */
1432
gpt->is &= ~(value & 0x0000F800);
1433
ppc4xx_gpt_set_irqs(gpt);
1436
/* Interrupt enable */
1437
gpt->ie = value & 0x0000F800;
1438
ppc4xx_gpt_set_irqs(gpt);
1442
idx = (addr - 0x80) >> 2;
1443
gpt->comp[idx] = value & 0xF8000000;
1444
ppc4xx_gpt_compute_timer(gpt);
1448
idx = (addr - 0xC0) >> 2;
1449
gpt->mask[idx] = value & 0xF8000000;
1450
ppc4xx_gpt_compute_timer(gpt);
1455
static const MemoryRegionOps gpt_ops = {
1457
.read = { ppc4xx_gpt_readb, ppc4xx_gpt_readw, ppc4xx_gpt_readl, },
1458
.write = { ppc4xx_gpt_writeb, ppc4xx_gpt_writew, ppc4xx_gpt_writel, },
1460
.endianness = DEVICE_NATIVE_ENDIAN,
1463
static void ppc4xx_gpt_cb (void *opaque)
1468
ppc4xx_gpt_set_irqs(gpt);
1469
ppc4xx_gpt_set_outputs(gpt);
1470
ppc4xx_gpt_compute_timer(gpt);
1473
static void ppc4xx_gpt_reset (void *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;
1491
static void ppc4xx_gpt_init(hwaddr base, qemu_irq irqs[5])
1496
gpt = g_malloc0(sizeof(ppc4xx_gpt_t));
1497
for (i = 0; i < 5; i++) {
1498
gpt->irqs[i] = irqs[i];
1500
gpt->timer = qemu_new_timer_ns(vm_clock, &ppc4xx_gpt_cb, gpt);
1502
printf("%s: offset " TARGET_FMT_plx "\n", __func__, base);
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);
1509
/*****************************************************************************/
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,
1533
typedef struct ppc40x_mal_t ppc40x_mal_t;
1534
struct ppc40x_mal_t {
1552
static void ppc40x_mal_reset (void *opaque);
1554
static uint32_t dcr_read_mal (void *opaque, int dcrn)
1577
ret = mal->txeobisr;
1589
ret = mal->rxeobisr;
1595
ret = mal->txctpr[0];
1598
ret = mal->txctpr[1];
1601
ret = mal->txctpr[2];
1604
ret = mal->txctpr[3];
1607
ret = mal->rxctpr[0];
1610
ret = mal->rxctpr[1];
1626
static void dcr_write_mal (void *opaque, int dcrn, uint32_t val)
1634
if (val & 0x80000000)
1635
ppc40x_mal_reset(mal);
1636
mal->cfg = val & 0x00FFC087;
1643
mal->ier = val & 0x0000001F;
1646
mal->txcasr = val & 0xF0000000;
1649
mal->txcarr = val & 0xF0000000;
1653
mal->txeobisr &= ~val;
1657
mal->txdeir &= ~val;
1660
mal->rxcasr = val & 0xC0000000;
1663
mal->rxcarr = val & 0xC0000000;
1667
mal->rxeobisr &= ~val;
1671
mal->rxdeir &= ~val;
1685
mal->txctpr[idx] = val;
1693
mal->rxctpr[idx] = val;
1697
goto update_rx_size;
1701
mal->rcbs[idx] = val & 0x000000FF;
1706
static void ppc40x_mal_reset (void *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;
1722
static void ppc405_mal_init(CPUPPCState *env, qemu_irq irqs[4])
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);
1771
/*****************************************************************************/
1773
void ppc40x_core_reset (CPUPPCState *env)
1777
printf("Reset PowerPC core\n");
1778
cpu_interrupt(env, CPU_INTERRUPT_RESET);
1779
dbsr = env->spr[SPR_40x_DBSR];
1780
dbsr &= ~0x00000300;
1782
env->spr[SPR_40x_DBSR] = dbsr;
1785
void ppc40x_chip_reset (CPUPPCState *env)
1789
printf("Reset PowerPC chip\n");
1790
cpu_interrupt(env, CPU_INTERRUPT_RESET);
1791
/* XXX: TODO reset all internal peripherals */
1792
dbsr = env->spr[SPR_40x_DBSR];
1793
dbsr &= ~0x00000300;
1795
env->spr[SPR_40x_DBSR] = dbsr;
1798
void ppc40x_system_reset (CPUPPCState *env)
1800
printf("Reset PowerPC system\n");
1801
qemu_system_reset_request();
1804
void store_40x_dbcr0 (CPUPPCState *env, uint32_t val)
1806
switch ((val >> 28) & 0x3) {
1812
ppc40x_core_reset(env);
1816
ppc40x_chip_reset(env);
1820
ppc40x_system_reset(env);
1825
/*****************************************************************************/
1828
PPC405CR_CPC0_PLLMR = 0x0B0,
1829
PPC405CR_CPC0_CR0 = 0x0B1,
1830
PPC405CR_CPC0_CR1 = 0x0B2,
1831
PPC405CR_CPC0_PSR = 0x0B4,
1832
PPC405CR_CPC0_JTAGID = 0x0B5,
1833
PPC405CR_CPC0_ER = 0x0B9,
1834
PPC405CR_CPC0_FR = 0x0BA,
1835
PPC405CR_CPC0_SR = 0x0BB,
1839
PPC405CR_CPU_CLK = 0,
1840
PPC405CR_TMR_CLK = 1,
1841
PPC405CR_PLB_CLK = 2,
1842
PPC405CR_SDRAM_CLK = 3,
1843
PPC405CR_OPB_CLK = 4,
1844
PPC405CR_EXT_CLK = 5,
1845
PPC405CR_UART_CLK = 6,
1846
PPC405CR_CLK_NB = 7,
1849
typedef struct ppc405cr_cpc_t ppc405cr_cpc_t;
1850
struct ppc405cr_cpc_t {
1851
clk_setup_t clk_setup[PPC405CR_CLK_NB];
1862
static void ppc405cr_clk_setup (ppc405cr_cpc_t *cpc)
1864
uint64_t VCO_out, PLL_out;
1865
uint32_t CPU_clk, TMR_clk, SDRAM_clk, PLB_clk, OPB_clk, EXT_clk, UART_clk;
1868
D0 = ((cpc->pllmr >> 26) & 0x3) + 1; /* CBDV */
1869
if (cpc->pllmr & 0x80000000) {
1870
D1 = (((cpc->pllmr >> 20) - 1) & 0xF) + 1; /* FBDV */
1871
D2 = 8 - ((cpc->pllmr >> 16) & 0x7); /* FWDVA */
1873
VCO_out = cpc->sysclk * M;
1874
if (VCO_out < 400000000 || VCO_out > 800000000) {
1875
/* PLL cannot lock */
1876
cpc->pllmr &= ~0x80000000;
1879
PLL_out = VCO_out / D2;
1884
PLL_out = cpc->sysclk * M;
1887
if (cpc->cr1 & 0x00800000)
1888
TMR_clk = cpc->sysclk; /* Should have a separate clock */
1891
PLB_clk = CPU_clk / D0;
1892
SDRAM_clk = PLB_clk;
1893
D0 = ((cpc->pllmr >> 10) & 0x3) + 1;
1894
OPB_clk = PLB_clk / D0;
1895
D0 = ((cpc->pllmr >> 24) & 0x3) + 2;
1896
EXT_clk = PLB_clk / D0;
1897
D0 = ((cpc->cr0 >> 1) & 0x1F) + 1;
1898
UART_clk = CPU_clk / D0;
1899
/* Setup CPU clocks */
1900
clk_setup(&cpc->clk_setup[PPC405CR_CPU_CLK], CPU_clk);
1901
/* Setup time-base clock */
1902
clk_setup(&cpc->clk_setup[PPC405CR_TMR_CLK], TMR_clk);
1903
/* Setup PLB clock */
1904
clk_setup(&cpc->clk_setup[PPC405CR_PLB_CLK], PLB_clk);
1905
/* Setup SDRAM clock */
1906
clk_setup(&cpc->clk_setup[PPC405CR_SDRAM_CLK], SDRAM_clk);
1907
/* Setup OPB clock */
1908
clk_setup(&cpc->clk_setup[PPC405CR_OPB_CLK], OPB_clk);
1909
/* Setup external clock */
1910
clk_setup(&cpc->clk_setup[PPC405CR_EXT_CLK], EXT_clk);
1911
/* Setup UART clock */
1912
clk_setup(&cpc->clk_setup[PPC405CR_UART_CLK], UART_clk);
1915
static uint32_t dcr_read_crcpc (void *opaque, int dcrn)
1917
ppc405cr_cpc_t *cpc;
1922
case PPC405CR_CPC0_PLLMR:
1925
case PPC405CR_CPC0_CR0:
1928
case PPC405CR_CPC0_CR1:
1931
case PPC405CR_CPC0_PSR:
1934
case PPC405CR_CPC0_JTAGID:
1937
case PPC405CR_CPC0_ER:
1940
case PPC405CR_CPC0_FR:
1943
case PPC405CR_CPC0_SR:
1944
ret = ~(cpc->er | cpc->fr) & 0xFFFF0000;
1947
/* Avoid gcc warning */
1955
static void dcr_write_crcpc (void *opaque, int dcrn, uint32_t val)
1957
ppc405cr_cpc_t *cpc;
1961
case PPC405CR_CPC0_PLLMR:
1962
cpc->pllmr = val & 0xFFF77C3F;
1964
case PPC405CR_CPC0_CR0:
1965
cpc->cr0 = val & 0x0FFFFFFE;
1967
case PPC405CR_CPC0_CR1:
1968
cpc->cr1 = val & 0x00800000;
1970
case PPC405CR_CPC0_PSR:
1973
case PPC405CR_CPC0_JTAGID:
1976
case PPC405CR_CPC0_ER:
1977
cpc->er = val & 0xBFFC0000;
1979
case PPC405CR_CPC0_FR:
1980
cpc->fr = val & 0xBFFC0000;
1982
case PPC405CR_CPC0_SR:
1988
static void ppc405cr_cpc_reset (void *opaque)
1990
ppc405cr_cpc_t *cpc;
1994
/* Compute PLLMR value from PSR settings */
1995
cpc->pllmr = 0x80000000;
1997
switch ((cpc->psr >> 30) & 3) {
2000
cpc->pllmr &= ~0x80000000;
2004
cpc->pllmr |= 5 << 16;
2008
cpc->pllmr |= 4 << 16;
2012
cpc->pllmr |= 2 << 16;
2016
D = (cpc->psr >> 28) & 3;
2017
cpc->pllmr |= (D + 1) << 20;
2019
D = (cpc->psr >> 25) & 7;
2034
D = (cpc->psr >> 23) & 3;
2035
cpc->pllmr |= D << 26;
2037
D = (cpc->psr >> 21) & 3;
2038
cpc->pllmr |= D << 10;
2040
D = (cpc->psr >> 17) & 3;
2041
cpc->pllmr |= D << 24;
2042
cpc->cr0 = 0x0000003C;
2043
cpc->cr1 = 0x2B0D8800;
2044
cpc->er = 0x00000000;
2045
cpc->fr = 0x00000000;
2046
ppc405cr_clk_setup(cpc);
2049
static void ppc405cr_clk_init (ppc405cr_cpc_t *cpc)
2053
/* XXX: this should be read from IO pins */
2054
cpc->psr = 0x00000000; /* 8 bits ROM */
2056
D = 0x2; /* Divide by 4 */
2057
cpc->psr |= D << 30;
2059
D = 0x1; /* Divide by 2 */
2060
cpc->psr |= D << 28;
2062
D = 0x1; /* Divide by 2 */
2063
cpc->psr |= D << 23;
2065
D = 0x5; /* M = 16 */
2066
cpc->psr |= D << 25;
2068
D = 0x1; /* Divide by 2 */
2069
cpc->psr |= D << 21;
2071
D = 0x2; /* Divide by 4 */
2072
cpc->psr |= D << 17;
2075
static void ppc405cr_cpc_init (CPUPPCState *env, clk_setup_t clk_setup[7],
2078
ppc405cr_cpc_t *cpc;
2080
cpc = g_malloc0(sizeof(ppc405cr_cpc_t));
2081
memcpy(cpc->clk_setup, clk_setup,
2082
PPC405CR_CLK_NB * sizeof(clk_setup_t));
2083
cpc->sysclk = sysclk;
2084
cpc->jtagid = 0x42051049;
2085
ppc_dcr_register(env, PPC405CR_CPC0_PSR, cpc,
2086
&dcr_read_crcpc, &dcr_write_crcpc);
2087
ppc_dcr_register(env, PPC405CR_CPC0_CR0, cpc,
2088
&dcr_read_crcpc, &dcr_write_crcpc);
2089
ppc_dcr_register(env, PPC405CR_CPC0_CR1, cpc,
2090
&dcr_read_crcpc, &dcr_write_crcpc);
2091
ppc_dcr_register(env, PPC405CR_CPC0_JTAGID, cpc,
2092
&dcr_read_crcpc, &dcr_write_crcpc);
2093
ppc_dcr_register(env, PPC405CR_CPC0_PLLMR, cpc,
2094
&dcr_read_crcpc, &dcr_write_crcpc);
2095
ppc_dcr_register(env, PPC405CR_CPC0_ER, cpc,
2096
&dcr_read_crcpc, &dcr_write_crcpc);
2097
ppc_dcr_register(env, PPC405CR_CPC0_FR, cpc,
2098
&dcr_read_crcpc, &dcr_write_crcpc);
2099
ppc_dcr_register(env, PPC405CR_CPC0_SR, cpc,
2100
&dcr_read_crcpc, &dcr_write_crcpc);
2101
ppc405cr_clk_init(cpc);
2102
qemu_register_reset(ppc405cr_cpc_reset, cpc);
2105
CPUPPCState *ppc405cr_init(MemoryRegion *address_space_mem,
2106
MemoryRegion ram_memories[4],
2107
hwaddr ram_bases[4],
2108
hwaddr ram_sizes[4],
2109
uint32_t sysclk, qemu_irq **picp,
2112
clk_setup_t clk_setup[PPC405CR_CLK_NB];
2113
qemu_irq dma_irqs[4];
2116
qemu_irq *pic, *irqs;
2118
memset(clk_setup, 0, sizeof(clk_setup));
2119
cpu = ppc4xx_init("405cr", &clk_setup[PPC405CR_CPU_CLK],
2120
&clk_setup[PPC405CR_TMR_CLK], sysclk);
2122
/* Memory mapped devices registers */
2124
ppc4xx_plb_init(env);
2125
/* PLB to OPB bridge */
2126
ppc4xx_pob_init(env);
2128
ppc4xx_opba_init(0xef600600);
2129
/* Universal interrupt controller */
2130
irqs = g_malloc0(sizeof(qemu_irq) * PPCUIC_OUTPUT_NB);
2131
irqs[PPCUIC_OUTPUT_INT] =
2132
((qemu_irq *)env->irq_inputs)[PPC40x_INPUT_INT];
2133
irqs[PPCUIC_OUTPUT_CINT] =
2134
((qemu_irq *)env->irq_inputs)[PPC40x_INPUT_CINT];
2135
pic = ppcuic_init(env, irqs, 0x0C0, 0, 1);
2137
/* SDRAM controller */
2138
ppc4xx_sdram_init(env, pic[14], 1, ram_memories,
2139
ram_bases, ram_sizes, do_init);
2140
/* External bus controller */
2141
ppc405_ebc_init(env);
2142
/* DMA controller */
2143
dma_irqs[0] = pic[26];
2144
dma_irqs[1] = pic[25];
2145
dma_irqs[2] = pic[24];
2146
dma_irqs[3] = pic[23];
2147
ppc405_dma_init(env, dma_irqs);
2149
if (serial_hds[0] != NULL) {
2150
serial_mm_init(address_space_mem, 0xef600300, 0, pic[0],
2151
PPC_SERIAL_MM_BAUDBASE, serial_hds[0],
2154
if (serial_hds[1] != NULL) {
2155
serial_mm_init(address_space_mem, 0xef600400, 0, pic[1],
2156
PPC_SERIAL_MM_BAUDBASE, serial_hds[1],
2159
/* IIC controller */
2160
ppc405_i2c_init(0xef600500, pic[2]);
2162
ppc405_gpio_init(0xef600700);
2164
ppc405cr_cpc_init(env, clk_setup, sysclk);
2169
/*****************************************************************************/
2173
PPC405EP_CPC0_PLLMR0 = 0x0F0,
2174
PPC405EP_CPC0_BOOT = 0x0F1,
2175
PPC405EP_CPC0_EPCTL = 0x0F3,
2176
PPC405EP_CPC0_PLLMR1 = 0x0F4,
2177
PPC405EP_CPC0_UCR = 0x0F5,
2178
PPC405EP_CPC0_SRR = 0x0F6,
2179
PPC405EP_CPC0_JTAGID = 0x0F7,
2180
PPC405EP_CPC0_PCI = 0x0F9,
2182
PPC405EP_CPC0_ER = xxx,
2183
PPC405EP_CPC0_FR = xxx,
2184
PPC405EP_CPC0_SR = xxx,
2189
PPC405EP_CPU_CLK = 0,
2190
PPC405EP_PLB_CLK = 1,
2191
PPC405EP_OPB_CLK = 2,
2192
PPC405EP_EBC_CLK = 3,
2193
PPC405EP_MAL_CLK = 4,
2194
PPC405EP_PCI_CLK = 5,
2195
PPC405EP_UART0_CLK = 6,
2196
PPC405EP_UART1_CLK = 7,
2197
PPC405EP_CLK_NB = 8,
2200
typedef struct ppc405ep_cpc_t ppc405ep_cpc_t;
2201
struct ppc405ep_cpc_t {
2203
clk_setup_t clk_setup[PPC405EP_CLK_NB];
2211
/* Clock and power management */
2217
static void ppc405ep_compute_clocks (ppc405ep_cpc_t *cpc)
2219
uint32_t CPU_clk, PLB_clk, OPB_clk, EBC_clk, MAL_clk, PCI_clk;
2220
uint32_t UART0_clk, UART1_clk;
2221
uint64_t VCO_out, PLL_out;
2225
if ((cpc->pllmr[1] & 0x80000000) && !(cpc->pllmr[1] & 0x40000000)) {
2226
M = (((cpc->pllmr[1] >> 20) - 1) & 0xF) + 1; /* FBMUL */
2227
#ifdef DEBUG_CLOCKS_LL
2228
printf("FBMUL %01" PRIx32 " %d\n", (cpc->pllmr[1] >> 20) & 0xF, M);
2230
D = 8 - ((cpc->pllmr[1] >> 16) & 0x7); /* FWDA */
2231
#ifdef DEBUG_CLOCKS_LL
2232
printf("FWDA %01" PRIx32 " %d\n", (cpc->pllmr[1] >> 16) & 0x7, D);
2234
VCO_out = cpc->sysclk * M * D;
2235
if (VCO_out < 500000000UL || VCO_out > 1000000000UL) {
2236
/* Error - unlock the PLL */
2237
printf("VCO out of range %" PRIu64 "\n", VCO_out);
2239
cpc->pllmr[1] &= ~0x80000000;
2243
PLL_out = VCO_out / D;
2244
/* Pretend the PLL is locked */
2245
cpc->boot |= 0x00000001;
2250
PLL_out = cpc->sysclk;
2251
if (cpc->pllmr[1] & 0x40000000) {
2252
/* Pretend the PLL is not locked */
2253
cpc->boot &= ~0x00000001;
2256
/* Now, compute all other clocks */
2257
D = ((cpc->pllmr[0] >> 20) & 0x3) + 1; /* CCDV */
2258
#ifdef DEBUG_CLOCKS_LL
2259
printf("CCDV %01" PRIx32 " %d\n", (cpc->pllmr[0] >> 20) & 0x3, D);
2261
CPU_clk = PLL_out / D;
2262
D = ((cpc->pllmr[0] >> 16) & 0x3) + 1; /* CBDV */
2263
#ifdef DEBUG_CLOCKS_LL
2264
printf("CBDV %01" PRIx32 " %d\n", (cpc->pllmr[0] >> 16) & 0x3, D);
2266
PLB_clk = CPU_clk / D;
2267
D = ((cpc->pllmr[0] >> 12) & 0x3) + 1; /* OPDV */
2268
#ifdef DEBUG_CLOCKS_LL
2269
printf("OPDV %01" PRIx32 " %d\n", (cpc->pllmr[0] >> 12) & 0x3, D);
2271
OPB_clk = PLB_clk / D;
2272
D = ((cpc->pllmr[0] >> 8) & 0x3) + 2; /* EPDV */
2273
#ifdef DEBUG_CLOCKS_LL
2274
printf("EPDV %01" PRIx32 " %d\n", (cpc->pllmr[0] >> 8) & 0x3, D);
2276
EBC_clk = PLB_clk / D;
2277
D = ((cpc->pllmr[0] >> 4) & 0x3) + 1; /* MPDV */
2278
#ifdef DEBUG_CLOCKS_LL
2279
printf("MPDV %01" PRIx32 " %d\n", (cpc->pllmr[0] >> 4) & 0x3, D);
2281
MAL_clk = PLB_clk / D;
2282
D = (cpc->pllmr[0] & 0x3) + 1; /* PPDV */
2283
#ifdef DEBUG_CLOCKS_LL
2284
printf("PPDV %01" PRIx32 " %d\n", cpc->pllmr[0] & 0x3, D);
2286
PCI_clk = PLB_clk / D;
2287
D = ((cpc->ucr - 1) & 0x7F) + 1; /* U0DIV */
2288
#ifdef DEBUG_CLOCKS_LL
2289
printf("U0DIV %01" PRIx32 " %d\n", cpc->ucr & 0x7F, D);
2291
UART0_clk = PLL_out / D;
2292
D = (((cpc->ucr >> 8) - 1) & 0x7F) + 1; /* U1DIV */
2293
#ifdef DEBUG_CLOCKS_LL
2294
printf("U1DIV %01" PRIx32 " %d\n", (cpc->ucr >> 8) & 0x7F, D);
2296
UART1_clk = PLL_out / D;
2298
printf("Setup PPC405EP clocks - sysclk %" PRIu32 " VCO %" PRIu64
2299
" PLL out %" PRIu64 " Hz\n", cpc->sysclk, VCO_out, PLL_out);
2300
printf("CPU %" PRIu32 " PLB %" PRIu32 " OPB %" PRIu32 " EBC %" PRIu32
2301
" MAL %" PRIu32 " PCI %" PRIu32 " UART0 %" PRIu32
2302
" UART1 %" PRIu32 "\n",
2303
CPU_clk, PLB_clk, OPB_clk, EBC_clk, MAL_clk, PCI_clk,
2304
UART0_clk, UART1_clk);
2306
/* Setup CPU clocks */
2307
clk_setup(&cpc->clk_setup[PPC405EP_CPU_CLK], CPU_clk);
2308
/* Setup PLB clock */
2309
clk_setup(&cpc->clk_setup[PPC405EP_PLB_CLK], PLB_clk);
2310
/* Setup OPB clock */
2311
clk_setup(&cpc->clk_setup[PPC405EP_OPB_CLK], OPB_clk);
2312
/* Setup external clock */
2313
clk_setup(&cpc->clk_setup[PPC405EP_EBC_CLK], EBC_clk);
2314
/* Setup MAL clock */
2315
clk_setup(&cpc->clk_setup[PPC405EP_MAL_CLK], MAL_clk);
2316
/* Setup PCI clock */
2317
clk_setup(&cpc->clk_setup[PPC405EP_PCI_CLK], PCI_clk);
2318
/* Setup UART0 clock */
2319
clk_setup(&cpc->clk_setup[PPC405EP_UART0_CLK], UART0_clk);
2320
/* Setup UART1 clock */
2321
clk_setup(&cpc->clk_setup[PPC405EP_UART1_CLK], UART1_clk);
2324
static uint32_t dcr_read_epcpc (void *opaque, int dcrn)
2326
ppc405ep_cpc_t *cpc;
2331
case PPC405EP_CPC0_BOOT:
2334
case PPC405EP_CPC0_EPCTL:
2337
case PPC405EP_CPC0_PLLMR0:
2338
ret = cpc->pllmr[0];
2340
case PPC405EP_CPC0_PLLMR1:
2341
ret = cpc->pllmr[1];
2343
case PPC405EP_CPC0_UCR:
2346
case PPC405EP_CPC0_SRR:
2349
case PPC405EP_CPC0_JTAGID:
2352
case PPC405EP_CPC0_PCI:
2356
/* Avoid gcc warning */
2364
static void dcr_write_epcpc (void *opaque, int dcrn, uint32_t val)
2366
ppc405ep_cpc_t *cpc;
2370
case PPC405EP_CPC0_BOOT:
2371
/* Read-only register */
2373
case PPC405EP_CPC0_EPCTL:
2374
/* Don't care for now */
2375
cpc->epctl = val & 0xC00000F3;
2377
case PPC405EP_CPC0_PLLMR0:
2378
cpc->pllmr[0] = val & 0x00633333;
2379
ppc405ep_compute_clocks(cpc);
2381
case PPC405EP_CPC0_PLLMR1:
2382
cpc->pllmr[1] = val & 0xC0F73FFF;
2383
ppc405ep_compute_clocks(cpc);
2385
case PPC405EP_CPC0_UCR:
2386
/* UART control - don't care for now */
2387
cpc->ucr = val & 0x003F7F7F;
2389
case PPC405EP_CPC0_SRR:
2392
case PPC405EP_CPC0_JTAGID:
2395
case PPC405EP_CPC0_PCI:
2401
static void ppc405ep_cpc_reset (void *opaque)
2403
ppc405ep_cpc_t *cpc = opaque;
2405
cpc->boot = 0x00000010; /* Boot from PCI - IIC EEPROM disabled */
2406
cpc->epctl = 0x00000000;
2407
cpc->pllmr[0] = 0x00011010;
2408
cpc->pllmr[1] = 0x40000000;
2409
cpc->ucr = 0x00000000;
2410
cpc->srr = 0x00040000;
2411
cpc->pci = 0x00000000;
2412
cpc->er = 0x00000000;
2413
cpc->fr = 0x00000000;
2414
cpc->sr = 0x00000000;
2415
ppc405ep_compute_clocks(cpc);
2418
/* XXX: sysclk should be between 25 and 100 MHz */
2419
static void ppc405ep_cpc_init (CPUPPCState *env, clk_setup_t clk_setup[8],
2422
ppc405ep_cpc_t *cpc;
2424
cpc = g_malloc0(sizeof(ppc405ep_cpc_t));
2425
memcpy(cpc->clk_setup, clk_setup,
2426
PPC405EP_CLK_NB * sizeof(clk_setup_t));
2427
cpc->jtagid = 0x20267049;
2428
cpc->sysclk = sysclk;
2429
qemu_register_reset(&ppc405ep_cpc_reset, cpc);
2430
ppc_dcr_register(env, PPC405EP_CPC0_BOOT, cpc,
2431
&dcr_read_epcpc, &dcr_write_epcpc);
2432
ppc_dcr_register(env, PPC405EP_CPC0_EPCTL, cpc,
2433
&dcr_read_epcpc, &dcr_write_epcpc);
2434
ppc_dcr_register(env, PPC405EP_CPC0_PLLMR0, cpc,
2435
&dcr_read_epcpc, &dcr_write_epcpc);
2436
ppc_dcr_register(env, PPC405EP_CPC0_PLLMR1, cpc,
2437
&dcr_read_epcpc, &dcr_write_epcpc);
2438
ppc_dcr_register(env, PPC405EP_CPC0_UCR, cpc,
2439
&dcr_read_epcpc, &dcr_write_epcpc);
2440
ppc_dcr_register(env, PPC405EP_CPC0_SRR, cpc,
2441
&dcr_read_epcpc, &dcr_write_epcpc);
2442
ppc_dcr_register(env, PPC405EP_CPC0_JTAGID, cpc,
2443
&dcr_read_epcpc, &dcr_write_epcpc);
2444
ppc_dcr_register(env, PPC405EP_CPC0_PCI, cpc,
2445
&dcr_read_epcpc, &dcr_write_epcpc);
2447
ppc_dcr_register(env, PPC405EP_CPC0_ER, cpc,
2448
&dcr_read_epcpc, &dcr_write_epcpc);
2449
ppc_dcr_register(env, PPC405EP_CPC0_FR, cpc,
2450
&dcr_read_epcpc, &dcr_write_epcpc);
2451
ppc_dcr_register(env, PPC405EP_CPC0_SR, cpc,
2452
&dcr_read_epcpc, &dcr_write_epcpc);
2456
CPUPPCState *ppc405ep_init(MemoryRegion *address_space_mem,
2457
MemoryRegion ram_memories[2],
2458
hwaddr ram_bases[2],
2459
hwaddr ram_sizes[2],
2460
uint32_t sysclk, qemu_irq **picp,
2463
clk_setup_t clk_setup[PPC405EP_CLK_NB], tlb_clk_setup;
2464
qemu_irq dma_irqs[4], gpt_irqs[5], mal_irqs[4];
2467
qemu_irq *pic, *irqs;
2469
memset(clk_setup, 0, sizeof(clk_setup));
2471
cpu = ppc4xx_init("405ep", &clk_setup[PPC405EP_CPU_CLK],
2472
&tlb_clk_setup, sysclk);
2474
clk_setup[PPC405EP_CPU_CLK].cb = tlb_clk_setup.cb;
2475
clk_setup[PPC405EP_CPU_CLK].opaque = tlb_clk_setup.opaque;
2476
/* Internal devices init */
2477
/* Memory mapped devices registers */
2479
ppc4xx_plb_init(env);
2480
/* PLB to OPB bridge */
2481
ppc4xx_pob_init(env);
2483
ppc4xx_opba_init(0xef600600);
2484
/* Initialize timers */
2485
ppc_booke_timers_init(cpu, sysclk, 0);
2486
/* Universal interrupt controller */
2487
irqs = g_malloc0(sizeof(qemu_irq) * PPCUIC_OUTPUT_NB);
2488
irqs[PPCUIC_OUTPUT_INT] =
2489
((qemu_irq *)env->irq_inputs)[PPC40x_INPUT_INT];
2490
irqs[PPCUIC_OUTPUT_CINT] =
2491
((qemu_irq *)env->irq_inputs)[PPC40x_INPUT_CINT];
2492
pic = ppcuic_init(env, irqs, 0x0C0, 0, 1);
2494
/* SDRAM controller */
2495
/* XXX 405EP has no ECC interrupt */
2496
ppc4xx_sdram_init(env, pic[17], 2, ram_memories,
2497
ram_bases, ram_sizes, do_init);
2498
/* External bus controller */
2499
ppc405_ebc_init(env);
2500
/* DMA controller */
2501
dma_irqs[0] = pic[5];
2502
dma_irqs[1] = pic[6];
2503
dma_irqs[2] = pic[7];
2504
dma_irqs[3] = pic[8];
2505
ppc405_dma_init(env, dma_irqs);
2506
/* IIC controller */
2507
ppc405_i2c_init(0xef600500, pic[2]);
2509
ppc405_gpio_init(0xef600700);
2511
if (serial_hds[0] != NULL) {
2512
serial_mm_init(address_space_mem, 0xef600300, 0, pic[0],
2513
PPC_SERIAL_MM_BAUDBASE, serial_hds[0],
2516
if (serial_hds[1] != NULL) {
2517
serial_mm_init(address_space_mem, 0xef600400, 0, pic[1],
2518
PPC_SERIAL_MM_BAUDBASE, serial_hds[1],
2522
ppc405_ocm_init(env);
2524
gpt_irqs[0] = pic[19];
2525
gpt_irqs[1] = pic[20];
2526
gpt_irqs[2] = pic[21];
2527
gpt_irqs[3] = pic[22];
2528
gpt_irqs[4] = pic[23];
2529
ppc4xx_gpt_init(0xef600000, gpt_irqs);
2531
/* Uses pic[3], pic[16], pic[18] */
2533
mal_irqs[0] = pic[11];
2534
mal_irqs[1] = pic[12];
2535
mal_irqs[2] = pic[13];
2536
mal_irqs[3] = pic[14];
2537
ppc405_mal_init(env, mal_irqs);
2539
/* Uses pic[9], pic[15], pic[17] */
2541
ppc405ep_cpc_init(env, clk_setup, sysclk);