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"
31 #include "exec-memory.h"
42 //#define DEBUG_CLOCKS_LL
44 ram_addr_t ppc405_set_bootinfo (CPUState *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(CPUState *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 {
197 static uint32_t dcr_read_pob (void *opaque, int dcrn)
209 ret = pob->besr[dcrn - POB0_BESR0];
212 /* Avoid gcc warning */
220 static void dcr_write_pob (void *opaque, int dcrn, uint32_t val)
232 pob->besr[dcrn - POB0_BESR0] &= ~val;
237 static void ppc4xx_pob_reset (void *opaque)
243 pob->bear = 0x00000000;
244 pob->besr[0] = 0x0000000;
245 pob->besr[1] = 0x0000000;
248 static void ppc4xx_pob_init(CPUState *env)
252 pob = g_malloc0(sizeof(ppc4xx_pob_t));
253 ppc_dcr_register(env, POB0_BEAR, pob, &dcr_read_pob, &dcr_write_pob);
254 ppc_dcr_register(env, POB0_BESR0, pob, &dcr_read_pob, &dcr_write_pob);
255 ppc_dcr_register(env, POB0_BESR1, pob, &dcr_read_pob, &dcr_write_pob);
256 qemu_register_reset(ppc4xx_pob_reset, pob);
259 /*****************************************************************************/
261 typedef struct ppc4xx_opba_t ppc4xx_opba_t;
262 struct ppc4xx_opba_t {
268 static uint32_t opba_readb (void *opaque, target_phys_addr_t addr)
274 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
292 static void opba_writeb (void *opaque,
293 target_phys_addr_t addr, uint32_t value)
298 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
304 opba->cr = value & 0xF8;
307 opba->pr = value & 0xFF;
314 static uint32_t opba_readw (void *opaque, target_phys_addr_t addr)
319 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
321 ret = opba_readb(opaque, addr) << 8;
322 ret |= opba_readb(opaque, addr + 1);
327 static void opba_writew (void *opaque,
328 target_phys_addr_t addr, uint32_t value)
331 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
334 opba_writeb(opaque, addr, value >> 8);
335 opba_writeb(opaque, addr + 1, value);
338 static uint32_t opba_readl (void *opaque, target_phys_addr_t addr)
343 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
345 ret = opba_readb(opaque, addr) << 24;
346 ret |= opba_readb(opaque, addr + 1) << 16;
351 static void opba_writel (void *opaque,
352 target_phys_addr_t addr, uint32_t value)
355 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
358 opba_writeb(opaque, addr, value >> 24);
359 opba_writeb(opaque, addr + 1, value >> 16);
362 static const MemoryRegionOps opba_ops = {
364 .read = { opba_readb, opba_readw, opba_readl, },
365 .write = { opba_writeb, opba_writew, opba_writel, },
367 .endianness = DEVICE_NATIVE_ENDIAN,
370 static void ppc4xx_opba_reset (void *opaque)
375 opba->cr = 0x00; /* No dynamic priorities - park disabled */
379 static void ppc4xx_opba_init(target_phys_addr_t base)
383 opba = g_malloc0(sizeof(ppc4xx_opba_t));
385 printf("%s: offset " TARGET_FMT_plx "\n", __func__, base);
387 memory_region_init_io(&opba->io, &opba_ops, opba, "opba", 0x002);
388 memory_region_add_subregion(get_system_memory(), base, &opba->io);
389 qemu_register_reset(ppc4xx_opba_reset, opba);
392 /*****************************************************************************/
393 /* Code decompression controller */
396 /*****************************************************************************/
397 /* Peripheral controller */
398 typedef struct ppc4xx_ebc_t ppc4xx_ebc_t;
399 struct ppc4xx_ebc_t {
410 EBC0_CFGADDR = 0x012,
411 EBC0_CFGDATA = 0x013,
414 static uint32_t dcr_read_ebc (void *opaque, int dcrn)
426 case 0x00: /* B0CR */
429 case 0x01: /* B1CR */
432 case 0x02: /* B2CR */
435 case 0x03: /* B3CR */
438 case 0x04: /* B4CR */
441 case 0x05: /* B5CR */
444 case 0x06: /* B6CR */
447 case 0x07: /* B7CR */
450 case 0x10: /* B0AP */
453 case 0x11: /* B1AP */
456 case 0x12: /* B2AP */
459 case 0x13: /* B3AP */
462 case 0x14: /* B4AP */
465 case 0x15: /* B5AP */
468 case 0x16: /* B6AP */
471 case 0x17: /* B7AP */
474 case 0x20: /* BEAR */
477 case 0x21: /* BESR0 */
480 case 0x22: /* BESR1 */
499 static void dcr_write_ebc (void *opaque, int dcrn, uint32_t val)
510 case 0x00: /* B0CR */
512 case 0x01: /* B1CR */
514 case 0x02: /* B2CR */
516 case 0x03: /* B3CR */
518 case 0x04: /* B4CR */
520 case 0x05: /* B5CR */
522 case 0x06: /* B6CR */
524 case 0x07: /* B7CR */
526 case 0x10: /* B0AP */
528 case 0x11: /* B1AP */
530 case 0x12: /* B2AP */
532 case 0x13: /* B3AP */
534 case 0x14: /* B4AP */
536 case 0x15: /* B5AP */
538 case 0x16: /* B6AP */
540 case 0x17: /* B7AP */
542 case 0x20: /* BEAR */
544 case 0x21: /* BESR0 */
546 case 0x22: /* BESR1 */
559 static void ebc_reset (void *opaque)
565 ebc->addr = 0x00000000;
566 ebc->bap[0] = 0x7F8FFE80;
567 ebc->bcr[0] = 0xFFE28000;
568 for (i = 0; i < 8; i++) {
569 ebc->bap[i] = 0x00000000;
570 ebc->bcr[i] = 0x00000000;
572 ebc->besr0 = 0x00000000;
573 ebc->besr1 = 0x00000000;
574 ebc->cfg = 0x80400000;
577 static void ppc405_ebc_init(CPUState *env)
581 ebc = g_malloc0(sizeof(ppc4xx_ebc_t));
582 qemu_register_reset(&ebc_reset, ebc);
583 ppc_dcr_register(env, EBC0_CFGADDR,
584 ebc, &dcr_read_ebc, &dcr_write_ebc);
585 ppc_dcr_register(env, EBC0_CFGDATA,
586 ebc, &dcr_read_ebc, &dcr_write_ebc);
589 /*****************************************************************************/
618 typedef struct ppc405_dma_t ppc405_dma_t;
619 struct ppc405_dma_t {
632 static uint32_t dcr_read_dma (void *opaque, int dcrn)
637 static void dcr_write_dma (void *opaque, int dcrn, uint32_t val)
641 static void ppc405_dma_reset (void *opaque)
647 for (i = 0; i < 4; i++) {
648 dma->cr[i] = 0x00000000;
649 dma->ct[i] = 0x00000000;
650 dma->da[i] = 0x00000000;
651 dma->sa[i] = 0x00000000;
652 dma->sg[i] = 0x00000000;
654 dma->sr = 0x00000000;
655 dma->sgc = 0x00000000;
656 dma->slp = 0x7C000000;
657 dma->pol = 0x00000000;
660 static void ppc405_dma_init(CPUState *env, qemu_irq irqs[4])
664 dma = g_malloc0(sizeof(ppc405_dma_t));
665 memcpy(dma->irqs, irqs, 4 * sizeof(qemu_irq));
666 qemu_register_reset(&ppc405_dma_reset, dma);
667 ppc_dcr_register(env, DMA0_CR0,
668 dma, &dcr_read_dma, &dcr_write_dma);
669 ppc_dcr_register(env, DMA0_CT0,
670 dma, &dcr_read_dma, &dcr_write_dma);
671 ppc_dcr_register(env, DMA0_DA0,
672 dma, &dcr_read_dma, &dcr_write_dma);
673 ppc_dcr_register(env, DMA0_SA0,
674 dma, &dcr_read_dma, &dcr_write_dma);
675 ppc_dcr_register(env, DMA0_SG0,
676 dma, &dcr_read_dma, &dcr_write_dma);
677 ppc_dcr_register(env, DMA0_CR1,
678 dma, &dcr_read_dma, &dcr_write_dma);
679 ppc_dcr_register(env, DMA0_CT1,
680 dma, &dcr_read_dma, &dcr_write_dma);
681 ppc_dcr_register(env, DMA0_DA1,
682 dma, &dcr_read_dma, &dcr_write_dma);
683 ppc_dcr_register(env, DMA0_SA1,
684 dma, &dcr_read_dma, &dcr_write_dma);
685 ppc_dcr_register(env, DMA0_SG1,
686 dma, &dcr_read_dma, &dcr_write_dma);
687 ppc_dcr_register(env, DMA0_CR2,
688 dma, &dcr_read_dma, &dcr_write_dma);
689 ppc_dcr_register(env, DMA0_CT2,
690 dma, &dcr_read_dma, &dcr_write_dma);
691 ppc_dcr_register(env, DMA0_DA2,
692 dma, &dcr_read_dma, &dcr_write_dma);
693 ppc_dcr_register(env, DMA0_SA2,
694 dma, &dcr_read_dma, &dcr_write_dma);
695 ppc_dcr_register(env, DMA0_SG2,
696 dma, &dcr_read_dma, &dcr_write_dma);
697 ppc_dcr_register(env, DMA0_CR3,
698 dma, &dcr_read_dma, &dcr_write_dma);
699 ppc_dcr_register(env, DMA0_CT3,
700 dma, &dcr_read_dma, &dcr_write_dma);
701 ppc_dcr_register(env, DMA0_DA3,
702 dma, &dcr_read_dma, &dcr_write_dma);
703 ppc_dcr_register(env, DMA0_SA3,
704 dma, &dcr_read_dma, &dcr_write_dma);
705 ppc_dcr_register(env, DMA0_SG3,
706 dma, &dcr_read_dma, &dcr_write_dma);
707 ppc_dcr_register(env, DMA0_SR,
708 dma, &dcr_read_dma, &dcr_write_dma);
709 ppc_dcr_register(env, DMA0_SGC,
710 dma, &dcr_read_dma, &dcr_write_dma);
711 ppc_dcr_register(env, DMA0_SLP,
712 dma, &dcr_read_dma, &dcr_write_dma);
713 ppc_dcr_register(env, DMA0_POL,
714 dma, &dcr_read_dma, &dcr_write_dma);
717 /*****************************************************************************/
719 typedef struct ppc405_gpio_t ppc405_gpio_t;
720 struct ppc405_gpio_t {
735 static uint32_t ppc405_gpio_readb (void *opaque, target_phys_addr_t addr)
738 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
744 static void ppc405_gpio_writeb (void *opaque,
745 target_phys_addr_t addr, uint32_t value)
748 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
753 static uint32_t ppc405_gpio_readw (void *opaque, target_phys_addr_t addr)
756 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
762 static void ppc405_gpio_writew (void *opaque,
763 target_phys_addr_t addr, uint32_t value)
766 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
771 static uint32_t ppc405_gpio_readl (void *opaque, target_phys_addr_t addr)
774 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
780 static void ppc405_gpio_writel (void *opaque,
781 target_phys_addr_t addr, uint32_t value)
784 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
789 static const MemoryRegionOps ppc405_gpio_ops = {
791 .read = { ppc405_gpio_readb, ppc405_gpio_readw, ppc405_gpio_readl, },
792 .write = { ppc405_gpio_writeb, ppc405_gpio_writew, ppc405_gpio_writel, },
794 .endianness = DEVICE_NATIVE_ENDIAN,
797 static void ppc405_gpio_reset (void *opaque)
801 static void ppc405_gpio_init(target_phys_addr_t base)
805 gpio = g_malloc0(sizeof(ppc405_gpio_t));
807 printf("%s: offset " TARGET_FMT_plx "\n", __func__, base);
809 memory_region_init_io(&gpio->io, &ppc405_gpio_ops, gpio, "pgio", 0x038);
810 memory_region_add_subregion(get_system_memory(), base, &gpio->io);
811 qemu_register_reset(&ppc405_gpio_reset, gpio);
814 /*****************************************************************************/
818 OCM0_ISACNTL = 0x019,
820 OCM0_DSACNTL = 0x01B,
823 typedef struct ppc405_ocm_t ppc405_ocm_t;
824 struct ppc405_ocm_t {
826 MemoryRegion isarc_ram;
827 MemoryRegion dsarc_ram;
834 static void ocm_update_mappings (ppc405_ocm_t *ocm,
835 uint32_t isarc, uint32_t isacntl,
836 uint32_t dsarc, uint32_t dsacntl)
839 printf("OCM update ISA %08" PRIx32 " %08" PRIx32 " (%08" PRIx32
840 " %08" PRIx32 ") DSA %08" PRIx32 " %08" PRIx32
841 " (%08" PRIx32 " %08" PRIx32 ")\n",
842 isarc, isacntl, dsarc, dsacntl,
843 ocm->isarc, ocm->isacntl, ocm->dsarc, ocm->dsacntl);
845 if (ocm->isarc != isarc ||
846 (ocm->isacntl & 0x80000000) != (isacntl & 0x80000000)) {
847 if (ocm->isacntl & 0x80000000) {
848 /* Unmap previously assigned memory region */
849 printf("OCM unmap ISA %08" PRIx32 "\n", ocm->isarc);
850 memory_region_del_subregion(get_system_memory(), &ocm->isarc_ram);
852 if (isacntl & 0x80000000) {
853 /* Map new instruction memory region */
855 printf("OCM map ISA %08" PRIx32 "\n", isarc);
857 memory_region_add_subregion(get_system_memory(), isarc,
861 if (ocm->dsarc != dsarc ||
862 (ocm->dsacntl & 0x80000000) != (dsacntl & 0x80000000)) {
863 if (ocm->dsacntl & 0x80000000) {
864 /* Beware not to unmap the region we just mapped */
865 if (!(isacntl & 0x80000000) || ocm->dsarc != isarc) {
866 /* Unmap previously assigned memory region */
868 printf("OCM unmap DSA %08" PRIx32 "\n", ocm->dsarc);
870 memory_region_del_subregion(get_system_memory(),
874 if (dsacntl & 0x80000000) {
875 /* Beware not to remap the region we just mapped */
876 if (!(isacntl & 0x80000000) || dsarc != isarc) {
877 /* Map new data memory region */
879 printf("OCM map DSA %08" PRIx32 "\n", dsarc);
881 memory_region_add_subregion(get_system_memory(), dsarc,
888 static uint32_t dcr_read_ocm (void *opaque, int dcrn)
915 static void dcr_write_ocm (void *opaque, int dcrn, uint32_t val)
918 uint32_t isarc, dsarc, isacntl, dsacntl;
923 isacntl = ocm->isacntl;
924 dsacntl = ocm->dsacntl;
927 isarc = val & 0xFC000000;
930 isacntl = val & 0xC0000000;
933 isarc = val & 0xFC000000;
936 isacntl = val & 0xC0000000;
939 ocm_update_mappings(ocm, isarc, isacntl, dsarc, dsacntl);
942 ocm->isacntl = isacntl;
943 ocm->dsacntl = dsacntl;
946 static void ocm_reset (void *opaque)
949 uint32_t isarc, dsarc, isacntl, dsacntl;
953 isacntl = 0x00000000;
955 dsacntl = 0x00000000;
956 ocm_update_mappings(ocm, isarc, isacntl, dsarc, dsacntl);
959 ocm->isacntl = isacntl;
960 ocm->dsacntl = dsacntl;
963 static void ppc405_ocm_init(CPUState *env)
967 ocm = g_malloc0(sizeof(ppc405_ocm_t));
968 /* XXX: Size is 4096 or 0x04000000 */
969 memory_region_init_ram(&ocm->isarc_ram, NULL, "ppc405.ocm", 4096);
970 memory_region_init_alias(&ocm->dsarc_ram, "ppc405.dsarc", &ocm->isarc_ram,
972 qemu_register_reset(&ocm_reset, ocm);
973 ppc_dcr_register(env, OCM0_ISARC,
974 ocm, &dcr_read_ocm, &dcr_write_ocm);
975 ppc_dcr_register(env, OCM0_ISACNTL,
976 ocm, &dcr_read_ocm, &dcr_write_ocm);
977 ppc_dcr_register(env, OCM0_DSARC,
978 ocm, &dcr_read_ocm, &dcr_write_ocm);
979 ppc_dcr_register(env, OCM0_DSACNTL,
980 ocm, &dcr_read_ocm, &dcr_write_ocm);
983 /*****************************************************************************/
985 typedef struct ppc4xx_i2c_t ppc4xx_i2c_t;
986 struct ppc4xx_i2c_t {
1006 static uint32_t ppc4xx_i2c_readb (void *opaque, target_phys_addr_t addr)
1012 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
1017 // i2c_readbyte(&i2c->mdata);
1057 ret = i2c->xtcntlss;
1060 ret = i2c->directcntl;
1067 printf("%s: addr " TARGET_FMT_plx " %02" PRIx32 "\n", __func__, addr, ret);
1073 static void ppc4xx_i2c_writeb (void *opaque,
1074 target_phys_addr_t addr, uint32_t value)
1079 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
1086 // i2c_sendbyte(&i2c->mdata);
1101 i2c->mdcntl = value & 0xDF;
1104 i2c->sts &= ~(value & 0x0A);
1107 i2c->extsts &= ~(value & 0x8F);
1116 i2c->clkdiv = value;
1119 i2c->intrmsk = value;
1122 i2c->xfrcnt = value & 0x77;
1125 i2c->xtcntlss = value;
1128 i2c->directcntl = value & 0x7;
1133 static uint32_t ppc4xx_i2c_readw (void *opaque, target_phys_addr_t addr)
1138 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
1140 ret = ppc4xx_i2c_readb(opaque, addr) << 8;
1141 ret |= ppc4xx_i2c_readb(opaque, addr + 1);
1146 static void ppc4xx_i2c_writew (void *opaque,
1147 target_phys_addr_t addr, uint32_t value)
1150 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
1153 ppc4xx_i2c_writeb(opaque, addr, value >> 8);
1154 ppc4xx_i2c_writeb(opaque, addr + 1, value);
1157 static uint32_t ppc4xx_i2c_readl (void *opaque, target_phys_addr_t addr)
1162 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
1164 ret = ppc4xx_i2c_readb(opaque, addr) << 24;
1165 ret |= ppc4xx_i2c_readb(opaque, addr + 1) << 16;
1166 ret |= ppc4xx_i2c_readb(opaque, addr + 2) << 8;
1167 ret |= ppc4xx_i2c_readb(opaque, addr + 3);
1172 static void ppc4xx_i2c_writel (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 >> 24);
1180 ppc4xx_i2c_writeb(opaque, addr + 1, value >> 16);
1181 ppc4xx_i2c_writeb(opaque, addr + 2, value >> 8);
1182 ppc4xx_i2c_writeb(opaque, addr + 3, value);
1185 static const MemoryRegionOps i2c_ops = {
1187 .read = { ppc4xx_i2c_readb, ppc4xx_i2c_readw, ppc4xx_i2c_readl, },
1188 .write = { ppc4xx_i2c_writeb, ppc4xx_i2c_writew, ppc4xx_i2c_writel, },
1190 .endianness = DEVICE_NATIVE_ENDIAN,
1193 static void ppc4xx_i2c_reset (void *opaque)
1206 i2c->directcntl = 0x0F;
1209 static void ppc405_i2c_init(target_phys_addr_t base, qemu_irq irq)
1213 i2c = g_malloc0(sizeof(ppc4xx_i2c_t));
1216 printf("%s: offset " TARGET_FMT_plx "\n", __func__, base);
1218 memory_region_init_io(&i2c->iomem, &i2c_ops, i2c, "i2c", 0x011);
1219 memory_region_add_subregion(get_system_memory(), base, &i2c->iomem);
1220 qemu_register_reset(ppc4xx_i2c_reset, i2c);
1223 /*****************************************************************************/
1224 /* General purpose timers */
1225 typedef struct ppc4xx_gpt_t ppc4xx_gpt_t;
1226 struct ppc4xx_gpt_t {
1230 struct QEMUTimer *timer;
1241 static uint32_t ppc4xx_gpt_readb (void *opaque, target_phys_addr_t addr)
1244 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
1246 /* XXX: generate a bus fault */
1250 static void ppc4xx_gpt_writeb (void *opaque,
1251 target_phys_addr_t addr, uint32_t value)
1254 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
1257 /* XXX: generate a bus fault */
1260 static uint32_t ppc4xx_gpt_readw (void *opaque, target_phys_addr_t addr)
1263 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
1265 /* XXX: generate a bus fault */
1269 static void ppc4xx_gpt_writew (void *opaque,
1270 target_phys_addr_t addr, uint32_t value)
1273 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
1276 /* XXX: generate a bus fault */
1279 static int ppc4xx_gpt_compare (ppc4xx_gpt_t *gpt, int n)
1285 static void ppc4xx_gpt_set_output (ppc4xx_gpt_t *gpt, int n, int level)
1290 static void ppc4xx_gpt_set_outputs (ppc4xx_gpt_t *gpt)
1296 for (i = 0; i < 5; i++) {
1297 if (gpt->oe & mask) {
1298 /* Output is enabled */
1299 if (ppc4xx_gpt_compare(gpt, i)) {
1300 /* Comparison is OK */
1301 ppc4xx_gpt_set_output(gpt, i, gpt->ol & mask);
1303 /* Comparison is KO */
1304 ppc4xx_gpt_set_output(gpt, i, gpt->ol & mask ? 0 : 1);
1311 static void ppc4xx_gpt_set_irqs (ppc4xx_gpt_t *gpt)
1317 for (i = 0; i < 5; i++) {
1318 if (gpt->is & gpt->im & mask)
1319 qemu_irq_raise(gpt->irqs[i]);
1321 qemu_irq_lower(gpt->irqs[i]);
1326 static void ppc4xx_gpt_compute_timer (ppc4xx_gpt_t *gpt)
1331 static uint32_t ppc4xx_gpt_readl (void *opaque, target_phys_addr_t addr)
1338 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
1343 /* Time base counter */
1344 ret = muldiv64(qemu_get_clock_ns(vm_clock) + gpt->tb_offset,
1345 gpt->tb_freq, get_ticks_per_sec());
1356 /* Interrupt mask */
1361 /* Interrupt status */
1365 /* Interrupt enable */
1370 idx = (addr - 0x80) >> 2;
1371 ret = gpt->comp[idx];
1375 idx = (addr - 0xC0) >> 2;
1376 ret = gpt->mask[idx];
1386 static void ppc4xx_gpt_writel (void *opaque,
1387 target_phys_addr_t addr, uint32_t value)
1393 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
1399 /* Time base counter */
1400 gpt->tb_offset = muldiv64(value, get_ticks_per_sec(), gpt->tb_freq)
1401 - qemu_get_clock_ns(vm_clock);
1402 ppc4xx_gpt_compute_timer(gpt);
1406 gpt->oe = value & 0xF8000000;
1407 ppc4xx_gpt_set_outputs(gpt);
1411 gpt->ol = value & 0xF8000000;
1412 ppc4xx_gpt_set_outputs(gpt);
1415 /* Interrupt mask */
1416 gpt->im = value & 0x0000F800;
1419 /* Interrupt status set */
1420 gpt->is |= value & 0x0000F800;
1421 ppc4xx_gpt_set_irqs(gpt);
1424 /* Interrupt status clear */
1425 gpt->is &= ~(value & 0x0000F800);
1426 ppc4xx_gpt_set_irqs(gpt);
1429 /* Interrupt enable */
1430 gpt->ie = value & 0x0000F800;
1431 ppc4xx_gpt_set_irqs(gpt);
1435 idx = (addr - 0x80) >> 2;
1436 gpt->comp[idx] = value & 0xF8000000;
1437 ppc4xx_gpt_compute_timer(gpt);
1441 idx = (addr - 0xC0) >> 2;
1442 gpt->mask[idx] = value & 0xF8000000;
1443 ppc4xx_gpt_compute_timer(gpt);
1448 static const MemoryRegionOps gpt_ops = {
1450 .read = { ppc4xx_gpt_readb, ppc4xx_gpt_readw, ppc4xx_gpt_readl, },
1451 .write = { ppc4xx_gpt_writeb, ppc4xx_gpt_writew, ppc4xx_gpt_writel, },
1453 .endianness = DEVICE_NATIVE_ENDIAN,
1456 static void ppc4xx_gpt_cb (void *opaque)
1461 ppc4xx_gpt_set_irqs(gpt);
1462 ppc4xx_gpt_set_outputs(gpt);
1463 ppc4xx_gpt_compute_timer(gpt);
1466 static void ppc4xx_gpt_reset (void *opaque)
1472 qemu_del_timer(gpt->timer);
1473 gpt->oe = 0x00000000;
1474 gpt->ol = 0x00000000;
1475 gpt->im = 0x00000000;
1476 gpt->is = 0x00000000;
1477 gpt->ie = 0x00000000;
1478 for (i = 0; i < 5; i++) {
1479 gpt->comp[i] = 0x00000000;
1480 gpt->mask[i] = 0x00000000;
1484 static void ppc4xx_gpt_init(target_phys_addr_t base, qemu_irq irqs[5])
1489 gpt = g_malloc0(sizeof(ppc4xx_gpt_t));
1490 for (i = 0; i < 5; i++) {
1491 gpt->irqs[i] = irqs[i];
1493 gpt->timer = qemu_new_timer_ns(vm_clock, &ppc4xx_gpt_cb, gpt);
1495 printf("%s: offset " TARGET_FMT_plx "\n", __func__, base);
1497 memory_region_init_io(&gpt->iomem, &gpt_ops, gpt, "gpt", 0x0d4);
1498 memory_region_add_subregion(get_system_memory(), base, &gpt->iomem);
1499 qemu_register_reset(ppc4xx_gpt_reset, gpt);
1502 /*****************************************************************************/
1508 MAL0_TXCASR = 0x184,
1509 MAL0_TXCARR = 0x185,
1510 MAL0_TXEOBISR = 0x186,
1511 MAL0_TXDEIR = 0x187,
1512 MAL0_RXCASR = 0x190,
1513 MAL0_RXCARR = 0x191,
1514 MAL0_RXEOBISR = 0x192,
1515 MAL0_RXDEIR = 0x193,
1516 MAL0_TXCTP0R = 0x1A0,
1517 MAL0_TXCTP1R = 0x1A1,
1518 MAL0_TXCTP2R = 0x1A2,
1519 MAL0_TXCTP3R = 0x1A3,
1520 MAL0_RXCTP0R = 0x1C0,
1521 MAL0_RXCTP1R = 0x1C1,
1526 typedef struct ppc40x_mal_t ppc40x_mal_t;
1527 struct ppc40x_mal_t {
1545 static void ppc40x_mal_reset (void *opaque);
1547 static uint32_t dcr_read_mal (void *opaque, int dcrn)
1570 ret = mal->txeobisr;
1582 ret = mal->rxeobisr;
1588 ret = mal->txctpr[0];
1591 ret = mal->txctpr[1];
1594 ret = mal->txctpr[2];
1597 ret = mal->txctpr[3];
1600 ret = mal->rxctpr[0];
1603 ret = mal->rxctpr[1];
1619 static void dcr_write_mal (void *opaque, int dcrn, uint32_t val)
1627 if (val & 0x80000000)
1628 ppc40x_mal_reset(mal);
1629 mal->cfg = val & 0x00FFC087;
1636 mal->ier = val & 0x0000001F;
1639 mal->txcasr = val & 0xF0000000;
1642 mal->txcarr = val & 0xF0000000;
1646 mal->txeobisr &= ~val;
1650 mal->txdeir &= ~val;
1653 mal->rxcasr = val & 0xC0000000;
1656 mal->rxcarr = val & 0xC0000000;
1660 mal->rxeobisr &= ~val;
1664 mal->rxdeir &= ~val;
1678 mal->txctpr[idx] = val;
1686 mal->rxctpr[idx] = val;
1690 goto update_rx_size;
1694 mal->rcbs[idx] = val & 0x000000FF;
1699 static void ppc40x_mal_reset (void *opaque)
1704 mal->cfg = 0x0007C000;
1705 mal->esr = 0x00000000;
1706 mal->ier = 0x00000000;
1707 mal->rxcasr = 0x00000000;
1708 mal->rxdeir = 0x00000000;
1709 mal->rxeobisr = 0x00000000;
1710 mal->txcasr = 0x00000000;
1711 mal->txdeir = 0x00000000;
1712 mal->txeobisr = 0x00000000;
1715 static void ppc405_mal_init(CPUState *env, qemu_irq irqs[4])
1720 mal = g_malloc0(sizeof(ppc40x_mal_t));
1721 for (i = 0; i < 4; i++)
1722 mal->irqs[i] = irqs[i];
1723 qemu_register_reset(&ppc40x_mal_reset, mal);
1724 ppc_dcr_register(env, MAL0_CFG,
1725 mal, &dcr_read_mal, &dcr_write_mal);
1726 ppc_dcr_register(env, MAL0_ESR,
1727 mal, &dcr_read_mal, &dcr_write_mal);
1728 ppc_dcr_register(env, MAL0_IER,
1729 mal, &dcr_read_mal, &dcr_write_mal);
1730 ppc_dcr_register(env, MAL0_TXCASR,
1731 mal, &dcr_read_mal, &dcr_write_mal);
1732 ppc_dcr_register(env, MAL0_TXCARR,
1733 mal, &dcr_read_mal, &dcr_write_mal);
1734 ppc_dcr_register(env, MAL0_TXEOBISR,
1735 mal, &dcr_read_mal, &dcr_write_mal);
1736 ppc_dcr_register(env, MAL0_TXDEIR,
1737 mal, &dcr_read_mal, &dcr_write_mal);
1738 ppc_dcr_register(env, MAL0_RXCASR,
1739 mal, &dcr_read_mal, &dcr_write_mal);
1740 ppc_dcr_register(env, MAL0_RXCARR,
1741 mal, &dcr_read_mal, &dcr_write_mal);
1742 ppc_dcr_register(env, MAL0_RXEOBISR,
1743 mal, &dcr_read_mal, &dcr_write_mal);
1744 ppc_dcr_register(env, MAL0_RXDEIR,
1745 mal, &dcr_read_mal, &dcr_write_mal);
1746 ppc_dcr_register(env, MAL0_TXCTP0R,
1747 mal, &dcr_read_mal, &dcr_write_mal);
1748 ppc_dcr_register(env, MAL0_TXCTP1R,
1749 mal, &dcr_read_mal, &dcr_write_mal);
1750 ppc_dcr_register(env, MAL0_TXCTP2R,
1751 mal, &dcr_read_mal, &dcr_write_mal);
1752 ppc_dcr_register(env, MAL0_TXCTP3R,
1753 mal, &dcr_read_mal, &dcr_write_mal);
1754 ppc_dcr_register(env, MAL0_RXCTP0R,
1755 mal, &dcr_read_mal, &dcr_write_mal);
1756 ppc_dcr_register(env, MAL0_RXCTP1R,
1757 mal, &dcr_read_mal, &dcr_write_mal);
1758 ppc_dcr_register(env, MAL0_RCBS0,
1759 mal, &dcr_read_mal, &dcr_write_mal);
1760 ppc_dcr_register(env, MAL0_RCBS1,
1761 mal, &dcr_read_mal, &dcr_write_mal);
1764 /*****************************************************************************/
1766 void ppc40x_core_reset (CPUState *env)
1770 printf("Reset PowerPC core\n");
1771 env->interrupt_request |= CPU_INTERRUPT_EXITTB;
1776 qemu_system_reset_request();
1778 dbsr = env->spr[SPR_40x_DBSR];
1779 dbsr &= ~0x00000300;
1781 env->spr[SPR_40x_DBSR] = dbsr;
1784 void ppc40x_chip_reset (CPUState *env)
1788 printf("Reset PowerPC chip\n");
1789 env->interrupt_request |= CPU_INTERRUPT_EXITTB;
1794 qemu_system_reset_request();
1796 /* XXX: TODO reset all internal peripherals */
1797 dbsr = env->spr[SPR_40x_DBSR];
1798 dbsr &= ~0x00000300;
1800 env->spr[SPR_40x_DBSR] = dbsr;
1803 void ppc40x_system_reset (CPUState *env)
1805 printf("Reset PowerPC system\n");
1806 qemu_system_reset_request();
1809 void store_40x_dbcr0 (CPUState *env, uint32_t val)
1811 switch ((val >> 28) & 0x3) {
1817 ppc40x_core_reset(env);
1821 ppc40x_chip_reset(env);
1825 ppc40x_system_reset(env);
1830 /*****************************************************************************/
1833 PPC405CR_CPC0_PLLMR = 0x0B0,
1834 PPC405CR_CPC0_CR0 = 0x0B1,
1835 PPC405CR_CPC0_CR1 = 0x0B2,
1836 PPC405CR_CPC0_PSR = 0x0B4,
1837 PPC405CR_CPC0_JTAGID = 0x0B5,
1838 PPC405CR_CPC0_ER = 0x0B9,
1839 PPC405CR_CPC0_FR = 0x0BA,
1840 PPC405CR_CPC0_SR = 0x0BB,
1844 PPC405CR_CPU_CLK = 0,
1845 PPC405CR_TMR_CLK = 1,
1846 PPC405CR_PLB_CLK = 2,
1847 PPC405CR_SDRAM_CLK = 3,
1848 PPC405CR_OPB_CLK = 4,
1849 PPC405CR_EXT_CLK = 5,
1850 PPC405CR_UART_CLK = 6,
1851 PPC405CR_CLK_NB = 7,
1854 typedef struct ppc405cr_cpc_t ppc405cr_cpc_t;
1855 struct ppc405cr_cpc_t {
1856 clk_setup_t clk_setup[PPC405CR_CLK_NB];
1867 static void ppc405cr_clk_setup (ppc405cr_cpc_t *cpc)
1869 uint64_t VCO_out, PLL_out;
1870 uint32_t CPU_clk, TMR_clk, SDRAM_clk, PLB_clk, OPB_clk, EXT_clk, UART_clk;
1873 D0 = ((cpc->pllmr >> 26) & 0x3) + 1; /* CBDV */
1874 if (cpc->pllmr & 0x80000000) {
1875 D1 = (((cpc->pllmr >> 20) - 1) & 0xF) + 1; /* FBDV */
1876 D2 = 8 - ((cpc->pllmr >> 16) & 0x7); /* FWDVA */
1878 VCO_out = cpc->sysclk * M;
1879 if (VCO_out < 400000000 || VCO_out > 800000000) {
1880 /* PLL cannot lock */
1881 cpc->pllmr &= ~0x80000000;
1884 PLL_out = VCO_out / D2;
1889 PLL_out = cpc->sysclk * M;
1892 if (cpc->cr1 & 0x00800000)
1893 TMR_clk = cpc->sysclk; /* Should have a separate clock */
1896 PLB_clk = CPU_clk / D0;
1897 SDRAM_clk = PLB_clk;
1898 D0 = ((cpc->pllmr >> 10) & 0x3) + 1;
1899 OPB_clk = PLB_clk / D0;
1900 D0 = ((cpc->pllmr >> 24) & 0x3) + 2;
1901 EXT_clk = PLB_clk / D0;
1902 D0 = ((cpc->cr0 >> 1) & 0x1F) + 1;
1903 UART_clk = CPU_clk / D0;
1904 /* Setup CPU clocks */
1905 clk_setup(&cpc->clk_setup[PPC405CR_CPU_CLK], CPU_clk);
1906 /* Setup time-base clock */
1907 clk_setup(&cpc->clk_setup[PPC405CR_TMR_CLK], TMR_clk);
1908 /* Setup PLB clock */
1909 clk_setup(&cpc->clk_setup[PPC405CR_PLB_CLK], PLB_clk);
1910 /* Setup SDRAM clock */
1911 clk_setup(&cpc->clk_setup[PPC405CR_SDRAM_CLK], SDRAM_clk);
1912 /* Setup OPB clock */
1913 clk_setup(&cpc->clk_setup[PPC405CR_OPB_CLK], OPB_clk);
1914 /* Setup external clock */
1915 clk_setup(&cpc->clk_setup[PPC405CR_EXT_CLK], EXT_clk);
1916 /* Setup UART clock */
1917 clk_setup(&cpc->clk_setup[PPC405CR_UART_CLK], UART_clk);
1920 static uint32_t dcr_read_crcpc (void *opaque, int dcrn)
1922 ppc405cr_cpc_t *cpc;
1927 case PPC405CR_CPC0_PLLMR:
1930 case PPC405CR_CPC0_CR0:
1933 case PPC405CR_CPC0_CR1:
1936 case PPC405CR_CPC0_PSR:
1939 case PPC405CR_CPC0_JTAGID:
1942 case PPC405CR_CPC0_ER:
1945 case PPC405CR_CPC0_FR:
1948 case PPC405CR_CPC0_SR:
1949 ret = ~(cpc->er | cpc->fr) & 0xFFFF0000;
1952 /* Avoid gcc warning */
1960 static void dcr_write_crcpc (void *opaque, int dcrn, uint32_t val)
1962 ppc405cr_cpc_t *cpc;
1966 case PPC405CR_CPC0_PLLMR:
1967 cpc->pllmr = val & 0xFFF77C3F;
1969 case PPC405CR_CPC0_CR0:
1970 cpc->cr0 = val & 0x0FFFFFFE;
1972 case PPC405CR_CPC0_CR1:
1973 cpc->cr1 = val & 0x00800000;
1975 case PPC405CR_CPC0_PSR:
1978 case PPC405CR_CPC0_JTAGID:
1981 case PPC405CR_CPC0_ER:
1982 cpc->er = val & 0xBFFC0000;
1984 case PPC405CR_CPC0_FR:
1985 cpc->fr = val & 0xBFFC0000;
1987 case PPC405CR_CPC0_SR:
1993 static void ppc405cr_cpc_reset (void *opaque)
1995 ppc405cr_cpc_t *cpc;
1999 /* Compute PLLMR value from PSR settings */
2000 cpc->pllmr = 0x80000000;
2002 switch ((cpc->psr >> 30) & 3) {
2005 cpc->pllmr &= ~0x80000000;
2009 cpc->pllmr |= 5 << 16;
2013 cpc->pllmr |= 4 << 16;
2017 cpc->pllmr |= 2 << 16;
2021 D = (cpc->psr >> 28) & 3;
2022 cpc->pllmr |= (D + 1) << 20;
2024 D = (cpc->psr >> 25) & 7;
2039 D = (cpc->psr >> 23) & 3;
2040 cpc->pllmr |= D << 26;
2042 D = (cpc->psr >> 21) & 3;
2043 cpc->pllmr |= D << 10;
2045 D = (cpc->psr >> 17) & 3;
2046 cpc->pllmr |= D << 24;
2047 cpc->cr0 = 0x0000003C;
2048 cpc->cr1 = 0x2B0D8800;
2049 cpc->er = 0x00000000;
2050 cpc->fr = 0x00000000;
2051 ppc405cr_clk_setup(cpc);
2054 static void ppc405cr_clk_init (ppc405cr_cpc_t *cpc)
2058 /* XXX: this should be read from IO pins */
2059 cpc->psr = 0x00000000; /* 8 bits ROM */
2061 D = 0x2; /* Divide by 4 */
2062 cpc->psr |= D << 30;
2064 D = 0x1; /* Divide by 2 */
2065 cpc->psr |= D << 28;
2067 D = 0x1; /* Divide by 2 */
2068 cpc->psr |= D << 23;
2070 D = 0x5; /* M = 16 */
2071 cpc->psr |= D << 25;
2073 D = 0x1; /* Divide by 2 */
2074 cpc->psr |= D << 21;
2076 D = 0x2; /* Divide by 4 */
2077 cpc->psr |= D << 17;
2080 static void ppc405cr_cpc_init (CPUState *env, clk_setup_t clk_setup[7],
2083 ppc405cr_cpc_t *cpc;
2085 cpc = g_malloc0(sizeof(ppc405cr_cpc_t));
2086 memcpy(cpc->clk_setup, clk_setup,
2087 PPC405CR_CLK_NB * sizeof(clk_setup_t));
2088 cpc->sysclk = sysclk;
2089 cpc->jtagid = 0x42051049;
2090 ppc_dcr_register(env, PPC405CR_CPC0_PSR, cpc,
2091 &dcr_read_crcpc, &dcr_write_crcpc);
2092 ppc_dcr_register(env, PPC405CR_CPC0_CR0, cpc,
2093 &dcr_read_crcpc, &dcr_write_crcpc);
2094 ppc_dcr_register(env, PPC405CR_CPC0_CR1, cpc,
2095 &dcr_read_crcpc, &dcr_write_crcpc);
2096 ppc_dcr_register(env, PPC405CR_CPC0_JTAGID, cpc,
2097 &dcr_read_crcpc, &dcr_write_crcpc);
2098 ppc_dcr_register(env, PPC405CR_CPC0_PLLMR, cpc,
2099 &dcr_read_crcpc, &dcr_write_crcpc);
2100 ppc_dcr_register(env, PPC405CR_CPC0_ER, cpc,
2101 &dcr_read_crcpc, &dcr_write_crcpc);
2102 ppc_dcr_register(env, PPC405CR_CPC0_FR, cpc,
2103 &dcr_read_crcpc, &dcr_write_crcpc);
2104 ppc_dcr_register(env, PPC405CR_CPC0_SR, cpc,
2105 &dcr_read_crcpc, &dcr_write_crcpc);
2106 ppc405cr_clk_init(cpc);
2107 qemu_register_reset(ppc405cr_cpc_reset, cpc);
2110 CPUState *ppc405cr_init(MemoryRegion *address_space_mem,
2111 MemoryRegion ram_memories[4],
2112 target_phys_addr_t ram_bases[4],
2113 target_phys_addr_t ram_sizes[4],
2114 uint32_t sysclk, qemu_irq **picp,
2117 clk_setup_t clk_setup[PPC405CR_CLK_NB];
2118 qemu_irq dma_irqs[4];
2120 qemu_irq *pic, *irqs;
2122 memset(clk_setup, 0, sizeof(clk_setup));
2123 env = ppc4xx_init("405cr", &clk_setup[PPC405CR_CPU_CLK],
2124 &clk_setup[PPC405CR_TMR_CLK], sysclk);
2125 /* Memory mapped devices registers */
2127 ppc4xx_plb_init(env);
2128 /* PLB to OPB bridge */
2129 ppc4xx_pob_init(env);
2131 ppc4xx_opba_init(0xef600600);
2132 /* Universal interrupt controller */
2133 irqs = g_malloc0(sizeof(qemu_irq) * PPCUIC_OUTPUT_NB);
2134 irqs[PPCUIC_OUTPUT_INT] =
2135 ((qemu_irq *)env->irq_inputs)[PPC40x_INPUT_INT];
2136 irqs[PPCUIC_OUTPUT_CINT] =
2137 ((qemu_irq *)env->irq_inputs)[PPC40x_INPUT_CINT];
2138 pic = ppcuic_init(env, irqs, 0x0C0, 0, 1);
2140 /* SDRAM controller */
2141 ppc4xx_sdram_init(env, pic[14], 1, ram_memories,
2142 ram_bases, ram_sizes, do_init);
2143 /* External bus controller */
2144 ppc405_ebc_init(env);
2145 /* DMA controller */
2146 dma_irqs[0] = pic[26];
2147 dma_irqs[1] = pic[25];
2148 dma_irqs[2] = pic[24];
2149 dma_irqs[3] = pic[23];
2150 ppc405_dma_init(env, dma_irqs);
2152 if (serial_hds[0] != NULL) {
2153 serial_mm_init(address_space_mem, 0xef600300, 0, pic[0],
2154 PPC_SERIAL_MM_BAUDBASE, serial_hds[0],
2157 if (serial_hds[1] != NULL) {
2158 serial_mm_init(address_space_mem, 0xef600400, 0, pic[1],
2159 PPC_SERIAL_MM_BAUDBASE, serial_hds[1],
2162 /* IIC controller */
2163 ppc405_i2c_init(0xef600500, pic[2]);
2165 ppc405_gpio_init(0xef600700);
2167 ppc405cr_cpc_init(env, clk_setup, sysclk);
2172 /*****************************************************************************/
2176 PPC405EP_CPC0_PLLMR0 = 0x0F0,
2177 PPC405EP_CPC0_BOOT = 0x0F1,
2178 PPC405EP_CPC0_EPCTL = 0x0F3,
2179 PPC405EP_CPC0_PLLMR1 = 0x0F4,
2180 PPC405EP_CPC0_UCR = 0x0F5,
2181 PPC405EP_CPC0_SRR = 0x0F6,
2182 PPC405EP_CPC0_JTAGID = 0x0F7,
2183 PPC405EP_CPC0_PCI = 0x0F9,
2185 PPC405EP_CPC0_ER = xxx,
2186 PPC405EP_CPC0_FR = xxx,
2187 PPC405EP_CPC0_SR = xxx,
2192 PPC405EP_CPU_CLK = 0,
2193 PPC405EP_PLB_CLK = 1,
2194 PPC405EP_OPB_CLK = 2,
2195 PPC405EP_EBC_CLK = 3,
2196 PPC405EP_MAL_CLK = 4,
2197 PPC405EP_PCI_CLK = 5,
2198 PPC405EP_UART0_CLK = 6,
2199 PPC405EP_UART1_CLK = 7,
2200 PPC405EP_CLK_NB = 8,
2203 typedef struct ppc405ep_cpc_t ppc405ep_cpc_t;
2204 struct ppc405ep_cpc_t {
2206 clk_setup_t clk_setup[PPC405EP_CLK_NB];
2214 /* Clock and power management */
2220 static void ppc405ep_compute_clocks (ppc405ep_cpc_t *cpc)
2222 uint32_t CPU_clk, PLB_clk, OPB_clk, EBC_clk, MAL_clk, PCI_clk;
2223 uint32_t UART0_clk, UART1_clk;
2224 uint64_t VCO_out, PLL_out;
2228 if ((cpc->pllmr[1] & 0x80000000) && !(cpc->pllmr[1] & 0x40000000)) {
2229 M = (((cpc->pllmr[1] >> 20) - 1) & 0xF) + 1; /* FBMUL */
2230 #ifdef DEBUG_CLOCKS_LL
2231 printf("FBMUL %01" PRIx32 " %d\n", (cpc->pllmr[1] >> 20) & 0xF, M);
2233 D = 8 - ((cpc->pllmr[1] >> 16) & 0x7); /* FWDA */
2234 #ifdef DEBUG_CLOCKS_LL
2235 printf("FWDA %01" PRIx32 " %d\n", (cpc->pllmr[1] >> 16) & 0x7, D);
2237 VCO_out = cpc->sysclk * M * D;
2238 if (VCO_out < 500000000UL || VCO_out > 1000000000UL) {
2239 /* Error - unlock the PLL */
2240 printf("VCO out of range %" PRIu64 "\n", VCO_out);
2242 cpc->pllmr[1] &= ~0x80000000;
2246 PLL_out = VCO_out / D;
2247 /* Pretend the PLL is locked */
2248 cpc->boot |= 0x00000001;
2253 PLL_out = cpc->sysclk;
2254 if (cpc->pllmr[1] & 0x40000000) {
2255 /* Pretend the PLL is not locked */
2256 cpc->boot &= ~0x00000001;
2259 /* Now, compute all other clocks */
2260 D = ((cpc->pllmr[0] >> 20) & 0x3) + 1; /* CCDV */
2261 #ifdef DEBUG_CLOCKS_LL
2262 printf("CCDV %01" PRIx32 " %d\n", (cpc->pllmr[0] >> 20) & 0x3, D);
2264 CPU_clk = PLL_out / D;
2265 D = ((cpc->pllmr[0] >> 16) & 0x3) + 1; /* CBDV */
2266 #ifdef DEBUG_CLOCKS_LL
2267 printf("CBDV %01" PRIx32 " %d\n", (cpc->pllmr[0] >> 16) & 0x3, D);
2269 PLB_clk = CPU_clk / D;
2270 D = ((cpc->pllmr[0] >> 12) & 0x3) + 1; /* OPDV */
2271 #ifdef DEBUG_CLOCKS_LL
2272 printf("OPDV %01" PRIx32 " %d\n", (cpc->pllmr[0] >> 12) & 0x3, D);
2274 OPB_clk = PLB_clk / D;
2275 D = ((cpc->pllmr[0] >> 8) & 0x3) + 2; /* EPDV */
2276 #ifdef DEBUG_CLOCKS_LL
2277 printf("EPDV %01" PRIx32 " %d\n", (cpc->pllmr[0] >> 8) & 0x3, D);
2279 EBC_clk = PLB_clk / D;
2280 D = ((cpc->pllmr[0] >> 4) & 0x3) + 1; /* MPDV */
2281 #ifdef DEBUG_CLOCKS_LL
2282 printf("MPDV %01" PRIx32 " %d\n", (cpc->pllmr[0] >> 4) & 0x3, D);
2284 MAL_clk = PLB_clk / D;
2285 D = (cpc->pllmr[0] & 0x3) + 1; /* PPDV */
2286 #ifdef DEBUG_CLOCKS_LL
2287 printf("PPDV %01" PRIx32 " %d\n", cpc->pllmr[0] & 0x3, D);
2289 PCI_clk = PLB_clk / D;
2290 D = ((cpc->ucr - 1) & 0x7F) + 1; /* U0DIV */
2291 #ifdef DEBUG_CLOCKS_LL
2292 printf("U0DIV %01" PRIx32 " %d\n", cpc->ucr & 0x7F, D);
2294 UART0_clk = PLL_out / D;
2295 D = (((cpc->ucr >> 8) - 1) & 0x7F) + 1; /* U1DIV */
2296 #ifdef DEBUG_CLOCKS_LL
2297 printf("U1DIV %01" PRIx32 " %d\n", (cpc->ucr >> 8) & 0x7F, D);
2299 UART1_clk = PLL_out / D;
2301 printf("Setup PPC405EP clocks - sysclk %" PRIu32 " VCO %" PRIu64
2302 " PLL out %" PRIu64 " Hz\n", cpc->sysclk, VCO_out, PLL_out);
2303 printf("CPU %" PRIu32 " PLB %" PRIu32 " OPB %" PRIu32 " EBC %" PRIu32
2304 " MAL %" PRIu32 " PCI %" PRIu32 " UART0 %" PRIu32
2305 " UART1 %" PRIu32 "\n",
2306 CPU_clk, PLB_clk, OPB_clk, EBC_clk, MAL_clk, PCI_clk,
2307 UART0_clk, UART1_clk);
2309 /* Setup CPU clocks */
2310 clk_setup(&cpc->clk_setup[PPC405EP_CPU_CLK], CPU_clk);
2311 /* Setup PLB clock */
2312 clk_setup(&cpc->clk_setup[PPC405EP_PLB_CLK], PLB_clk);
2313 /* Setup OPB clock */
2314 clk_setup(&cpc->clk_setup[PPC405EP_OPB_CLK], OPB_clk);
2315 /* Setup external clock */
2316 clk_setup(&cpc->clk_setup[PPC405EP_EBC_CLK], EBC_clk);
2317 /* Setup MAL clock */
2318 clk_setup(&cpc->clk_setup[PPC405EP_MAL_CLK], MAL_clk);
2319 /* Setup PCI clock */
2320 clk_setup(&cpc->clk_setup[PPC405EP_PCI_CLK], PCI_clk);
2321 /* Setup UART0 clock */
2322 clk_setup(&cpc->clk_setup[PPC405EP_UART0_CLK], UART0_clk);
2323 /* Setup UART1 clock */
2324 clk_setup(&cpc->clk_setup[PPC405EP_UART1_CLK], UART1_clk);
2327 static uint32_t dcr_read_epcpc (void *opaque, int dcrn)
2329 ppc405ep_cpc_t *cpc;
2334 case PPC405EP_CPC0_BOOT:
2337 case PPC405EP_CPC0_EPCTL:
2340 case PPC405EP_CPC0_PLLMR0:
2341 ret = cpc->pllmr[0];
2343 case PPC405EP_CPC0_PLLMR1:
2344 ret = cpc->pllmr[1];
2346 case PPC405EP_CPC0_UCR:
2349 case PPC405EP_CPC0_SRR:
2352 case PPC405EP_CPC0_JTAGID:
2355 case PPC405EP_CPC0_PCI:
2359 /* Avoid gcc warning */
2367 static void dcr_write_epcpc (void *opaque, int dcrn, uint32_t val)
2369 ppc405ep_cpc_t *cpc;
2373 case PPC405EP_CPC0_BOOT:
2374 /* Read-only register */
2376 case PPC405EP_CPC0_EPCTL:
2377 /* Don't care for now */
2378 cpc->epctl = val & 0xC00000F3;
2380 case PPC405EP_CPC0_PLLMR0:
2381 cpc->pllmr[0] = val & 0x00633333;
2382 ppc405ep_compute_clocks(cpc);
2384 case PPC405EP_CPC0_PLLMR1:
2385 cpc->pllmr[1] = val & 0xC0F73FFF;
2386 ppc405ep_compute_clocks(cpc);
2388 case PPC405EP_CPC0_UCR:
2389 /* UART control - don't care for now */
2390 cpc->ucr = val & 0x003F7F7F;
2392 case PPC405EP_CPC0_SRR:
2395 case PPC405EP_CPC0_JTAGID:
2398 case PPC405EP_CPC0_PCI:
2404 static void ppc405ep_cpc_reset (void *opaque)
2406 ppc405ep_cpc_t *cpc = opaque;
2408 cpc->boot = 0x00000010; /* Boot from PCI - IIC EEPROM disabled */
2409 cpc->epctl = 0x00000000;
2410 cpc->pllmr[0] = 0x00011010;
2411 cpc->pllmr[1] = 0x40000000;
2412 cpc->ucr = 0x00000000;
2413 cpc->srr = 0x00040000;
2414 cpc->pci = 0x00000000;
2415 cpc->er = 0x00000000;
2416 cpc->fr = 0x00000000;
2417 cpc->sr = 0x00000000;
2418 ppc405ep_compute_clocks(cpc);
2421 /* XXX: sysclk should be between 25 and 100 MHz */
2422 static void ppc405ep_cpc_init (CPUState *env, clk_setup_t clk_setup[8],
2425 ppc405ep_cpc_t *cpc;
2427 cpc = g_malloc0(sizeof(ppc405ep_cpc_t));
2428 memcpy(cpc->clk_setup, clk_setup,
2429 PPC405EP_CLK_NB * sizeof(clk_setup_t));
2430 cpc->jtagid = 0x20267049;
2431 cpc->sysclk = sysclk;
2432 qemu_register_reset(&ppc405ep_cpc_reset, cpc);
2433 ppc_dcr_register(env, PPC405EP_CPC0_BOOT, cpc,
2434 &dcr_read_epcpc, &dcr_write_epcpc);
2435 ppc_dcr_register(env, PPC405EP_CPC0_EPCTL, cpc,
2436 &dcr_read_epcpc, &dcr_write_epcpc);
2437 ppc_dcr_register(env, PPC405EP_CPC0_PLLMR0, cpc,
2438 &dcr_read_epcpc, &dcr_write_epcpc);
2439 ppc_dcr_register(env, PPC405EP_CPC0_PLLMR1, cpc,
2440 &dcr_read_epcpc, &dcr_write_epcpc);
2441 ppc_dcr_register(env, PPC405EP_CPC0_UCR, cpc,
2442 &dcr_read_epcpc, &dcr_write_epcpc);
2443 ppc_dcr_register(env, PPC405EP_CPC0_SRR, cpc,
2444 &dcr_read_epcpc, &dcr_write_epcpc);
2445 ppc_dcr_register(env, PPC405EP_CPC0_JTAGID, cpc,
2446 &dcr_read_epcpc, &dcr_write_epcpc);
2447 ppc_dcr_register(env, PPC405EP_CPC0_PCI, cpc,
2448 &dcr_read_epcpc, &dcr_write_epcpc);
2450 ppc_dcr_register(env, PPC405EP_CPC0_ER, cpc,
2451 &dcr_read_epcpc, &dcr_write_epcpc);
2452 ppc_dcr_register(env, PPC405EP_CPC0_FR, cpc,
2453 &dcr_read_epcpc, &dcr_write_epcpc);
2454 ppc_dcr_register(env, PPC405EP_CPC0_SR, cpc,
2455 &dcr_read_epcpc, &dcr_write_epcpc);
2459 CPUState *ppc405ep_init(MemoryRegion *address_space_mem,
2460 MemoryRegion ram_memories[2],
2461 target_phys_addr_t ram_bases[2],
2462 target_phys_addr_t ram_sizes[2],
2463 uint32_t sysclk, qemu_irq **picp,
2466 clk_setup_t clk_setup[PPC405EP_CLK_NB], tlb_clk_setup;
2467 qemu_irq dma_irqs[4], gpt_irqs[5], mal_irqs[4];
2469 qemu_irq *pic, *irqs;
2471 memset(clk_setup, 0, sizeof(clk_setup));
2473 env = ppc4xx_init("405ep", &clk_setup[PPC405EP_CPU_CLK],
2474 &tlb_clk_setup, sysclk);
2475 clk_setup[PPC405EP_CPU_CLK].cb = tlb_clk_setup.cb;
2476 clk_setup[PPC405EP_CPU_CLK].opaque = tlb_clk_setup.opaque;
2477 /* Internal devices init */
2478 /* Memory mapped devices registers */
2480 ppc4xx_plb_init(env);
2481 /* PLB to OPB bridge */
2482 ppc4xx_pob_init(env);
2484 ppc4xx_opba_init(0xef600600);
2485 /* Universal interrupt controller */
2486 irqs = g_malloc0(sizeof(qemu_irq) * PPCUIC_OUTPUT_NB);
2487 irqs[PPCUIC_OUTPUT_INT] =
2488 ((qemu_irq *)env->irq_inputs)[PPC40x_INPUT_INT];
2489 irqs[PPCUIC_OUTPUT_CINT] =
2490 ((qemu_irq *)env->irq_inputs)[PPC40x_INPUT_CINT];
2491 pic = ppcuic_init(env, irqs, 0x0C0, 0, 1);
2493 /* SDRAM controller */
2494 /* XXX 405EP has no ECC interrupt */
2495 ppc4xx_sdram_init(env, pic[17], 2, ram_memories,
2496 ram_bases, ram_sizes, do_init);
2497 /* External bus controller */
2498 ppc405_ebc_init(env);
2499 /* DMA controller */
2500 dma_irqs[0] = pic[5];
2501 dma_irqs[1] = pic[6];
2502 dma_irqs[2] = pic[7];
2503 dma_irqs[3] = pic[8];
2504 ppc405_dma_init(env, dma_irqs);
2505 /* IIC controller */
2506 ppc405_i2c_init(0xef600500, pic[2]);
2508 ppc405_gpio_init(0xef600700);
2510 if (serial_hds[0] != NULL) {
2511 serial_mm_init(address_space_mem, 0xef600300, 0, pic[0],
2512 PPC_SERIAL_MM_BAUDBASE, serial_hds[0],
2515 if (serial_hds[1] != NULL) {
2516 serial_mm_init(address_space_mem, 0xef600400, 0, pic[1],
2517 PPC_SERIAL_MM_BAUDBASE, serial_hds[1],
2521 ppc405_ocm_init(env);
2523 gpt_irqs[0] = pic[19];
2524 gpt_irqs[1] = pic[20];
2525 gpt_irqs[2] = pic[21];
2526 gpt_irqs[3] = pic[22];
2527 gpt_irqs[4] = pic[23];
2528 ppc4xx_gpt_init(0xef600000, gpt_irqs);
2530 /* Uses pic[3], pic[16], pic[18] */
2532 mal_irqs[0] = pic[11];
2533 mal_irqs[1] = pic[12];
2534 mal_irqs[2] = pic[13];
2535 mal_irqs[3] = pic[14];
2536 ppc405_mal_init(env, mal_irqs);
2538 /* Uses pic[9], pic[15], pic[17] */
2540 ppc405ep_cpc_init(env, clk_setup, sysclk);