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
39 #define DEBUG_UNASSIGNED
41 /*****************************************************************************/
42 /* Generic PowerPC 405 processor instanciation */
43 CPUState *ppc405_init (const unsigned char *cpu_model,
44 clk_setup_t *cpu_clk, clk_setup_t *tb_clk,
52 qemu_register_reset(&cpu_ppc_reset, env);
53 register_savevm("cpu", 0, 3, cpu_save, cpu_load, env);
54 ppc_find_by_name(cpu_model, &def);
56 cpu_abort(env, "Unable to find PowerPC %s CPU definition\n",
59 cpu_ppc_register(env, def);
60 cpu_clk->cb = NULL; /* We don't care about CPU clock frequency changes */
61 cpu_clk->opaque = env;
62 /* Set time-base frequency to sysclk */
63 tb_clk->cb = ppc_emb_timers_init(env, sysclk);
65 ppc_dcr_init(env, NULL, NULL);
70 ram_addr_t ppc405_set_bootinfo (CPUState *env, ppc4xx_bd_info_t *bd)
75 /* We put the bd structure at the top of memory */
76 bdloc = bd->bi_memsize - sizeof(struct ppc4xx_bd_info_t);
77 stl_raw(phys_ram_base + bdloc + 0x00, bd->bi_memstart);
78 stl_raw(phys_ram_base + bdloc + 0x04, bd->bi_memsize);
79 stl_raw(phys_ram_base + bdloc + 0x08, bd->bi_flashstart);
80 stl_raw(phys_ram_base + bdloc + 0x0C, bd->bi_flashsize);
81 stl_raw(phys_ram_base + bdloc + 0x10, bd->bi_flashoffset);
82 stl_raw(phys_ram_base + bdloc + 0x14, bd->bi_sramstart);
83 stl_raw(phys_ram_base + bdloc + 0x18, bd->bi_sramsize);
84 stl_raw(phys_ram_base + bdloc + 0x1C, bd->bi_bootflags);
85 stl_raw(phys_ram_base + bdloc + 0x20, bd->bi_ipaddr);
86 for (i = 0; i < 6; i++)
87 stb_raw(phys_ram_base + bdloc + 0x24 + i, bd->bi_enetaddr[i]);
88 stw_raw(phys_ram_base + bdloc + 0x2A, bd->bi_ethspeed);
89 stl_raw(phys_ram_base + bdloc + 0x2C, bd->bi_intfreq);
90 stl_raw(phys_ram_base + bdloc + 0x30, bd->bi_busfreq);
91 stl_raw(phys_ram_base + bdloc + 0x34, bd->bi_baudrate);
92 for (i = 0; i < 4; i++)
93 stb_raw(phys_ram_base + bdloc + 0x38 + i, bd->bi_s_version[i]);
94 for (i = 0; i < 32; i++)
95 stb_raw(phys_ram_base + bdloc + 0x3C + i, bd->bi_s_version[i]);
96 stl_raw(phys_ram_base + bdloc + 0x5C, bd->bi_plb_busfreq);
97 stl_raw(phys_ram_base + bdloc + 0x60, bd->bi_pci_busfreq);
98 for (i = 0; i < 6; i++)
99 stb_raw(phys_ram_base + bdloc + 0x64 + i, bd->bi_pci_enetaddr[i]);
101 if (env->spr[SPR_PVR] == CPU_PPC_405EP) {
102 for (i = 0; i < 6; i++)
103 stb_raw(phys_ram_base + bdloc + n++, bd->bi_pci_enetaddr2[i]);
105 stl_raw(phys_ram_base + bdloc + n, bd->bi_opbfreq);
107 for (i = 0; i < 2; i++) {
108 stl_raw(phys_ram_base + bdloc + n, bd->bi_iic_fast[i]);
115 /*****************************************************************************/
116 /* Shared peripherals */
118 /*****************************************************************************/
119 /* Fake device used to map multiple devices in a single memory page */
120 #define MMIO_AREA_BITS 8
121 #define MMIO_AREA_LEN (1 << MMIO_AREA_BITS)
122 #define MMIO_AREA_NB (1 << (TARGET_PAGE_BITS - MMIO_AREA_BITS))
123 #define MMIO_IDX(addr) (((addr) >> MMIO_AREA_BITS) & (MMIO_AREA_NB - 1))
124 struct ppc4xx_mmio_t {
126 CPUReadMemoryFunc **mem_read[MMIO_AREA_NB];
127 CPUWriteMemoryFunc **mem_write[MMIO_AREA_NB];
128 void *opaque[MMIO_AREA_NB];
131 static uint32_t unassigned_mem_readb (void *opaque, target_phys_addr_t addr)
133 #ifdef DEBUG_UNASSIGNED
134 printf("Unassigned mem read 0x" PADDRX "\n", addr);
140 static void unassigned_mem_writeb (void *opaque,
141 target_phys_addr_t addr, uint32_t val)
143 #ifdef DEBUG_UNASSIGNED
144 printf("Unassigned mem write 0x" PADDRX " = 0x%x\n", addr, val);
148 static CPUReadMemoryFunc *unassigned_mem_read[3] = {
149 unassigned_mem_readb,
150 unassigned_mem_readb,
151 unassigned_mem_readb,
154 static CPUWriteMemoryFunc *unassigned_mem_write[3] = {
155 unassigned_mem_writeb,
156 unassigned_mem_writeb,
157 unassigned_mem_writeb,
160 static uint32_t mmio_readlen (ppc4xx_mmio_t *mmio,
161 target_phys_addr_t addr, int len)
163 CPUReadMemoryFunc **mem_read;
167 idx = MMIO_IDX(addr - mmio->base);
168 #if defined(DEBUG_MMIO)
169 printf("%s: mmio %p len %d addr " PADDRX " idx %d\n", __func__,
170 mmio, len, addr, idx);
172 mem_read = mmio->mem_read[idx];
173 ret = (*mem_read[len])(mmio->opaque[idx], addr);
178 static void mmio_writelen (ppc4xx_mmio_t *mmio,
179 target_phys_addr_t addr, uint32_t value, int len)
181 CPUWriteMemoryFunc **mem_write;
184 idx = MMIO_IDX(addr - mmio->base);
185 #if defined(DEBUG_MMIO)
186 printf("%s: mmio %p len %d addr " PADDRX " idx %d value %08x\n", __func__,
187 mmio, len, addr, idx, value);
189 mem_write = mmio->mem_write[idx];
190 (*mem_write[len])(mmio->opaque[idx], addr, value);
193 static uint32_t mmio_readb (void *opaque, target_phys_addr_t addr)
195 #if defined(DEBUG_MMIO)
196 printf("%s: addr " PADDRX "\n", __func__, addr);
199 return mmio_readlen(opaque, addr, 0);
202 static void mmio_writeb (void *opaque,
203 target_phys_addr_t addr, uint32_t value)
205 #if defined(DEBUG_MMIO)
206 printf("%s: addr " PADDRX " val %08x\n", __func__, addr, value);
208 mmio_writelen(opaque, addr, value, 0);
211 static uint32_t mmio_readw (void *opaque, target_phys_addr_t addr)
213 #if defined(DEBUG_MMIO)
214 printf("%s: addr " PADDRX "\n", __func__, addr);
217 return mmio_readlen(opaque, addr, 1);
220 static void mmio_writew (void *opaque,
221 target_phys_addr_t addr, uint32_t value)
223 #if defined(DEBUG_MMIO)
224 printf("%s: addr " PADDRX " val %08x\n", __func__, addr, value);
226 mmio_writelen(opaque, addr, value, 1);
229 static uint32_t mmio_readl (void *opaque, target_phys_addr_t addr)
231 #if defined(DEBUG_MMIO)
232 printf("%s: addr " PADDRX "\n", __func__, addr);
235 return mmio_readlen(opaque, addr, 2);
238 static void mmio_writel (void *opaque,
239 target_phys_addr_t addr, uint32_t value)
241 #if defined(DEBUG_MMIO)
242 printf("%s: addr " PADDRX " val %08x\n", __func__, addr, value);
244 mmio_writelen(opaque, addr, value, 2);
247 static CPUReadMemoryFunc *mmio_read[] = {
253 static CPUWriteMemoryFunc *mmio_write[] = {
259 int ppc4xx_mmio_register (CPUState *env, ppc4xx_mmio_t *mmio,
260 uint32_t offset, uint32_t len,
261 CPUReadMemoryFunc **mem_read,
262 CPUWriteMemoryFunc **mem_write, void *opaque)
267 if ((offset + len) > TARGET_PAGE_SIZE)
269 idx = MMIO_IDX(offset);
270 end = offset + len - 1;
271 eidx = MMIO_IDX(end);
272 #if defined(DEBUG_MMIO)
273 printf("%s: offset %08x len %08x %08x %d %d\n", __func__, offset, len,
276 for (; idx <= eidx; idx++) {
277 mmio->mem_read[idx] = mem_read;
278 mmio->mem_write[idx] = mem_write;
279 mmio->opaque[idx] = opaque;
285 ppc4xx_mmio_t *ppc4xx_mmio_init (CPUState *env, uint32_t base)
290 mmio = qemu_mallocz(sizeof(ppc4xx_mmio_t));
293 mmio_memory = cpu_register_io_memory(0, mmio_read, mmio_write, mmio);
294 #if defined(DEBUG_MMIO)
295 printf("%s: %p base %08x len %08x %d\n", __func__,
296 mmio, base, TARGET_PAGE_SIZE, mmio_memory);
298 cpu_register_physical_memory(base, TARGET_PAGE_SIZE, mmio_memory);
299 ppc4xx_mmio_register(env, mmio, 0, TARGET_PAGE_SIZE,
300 unassigned_mem_read, unassigned_mem_write, NULL);
306 /*****************************************************************************/
307 /* Peripheral local bus arbitrer */
314 typedef struct ppc4xx_plb_t ppc4xx_plb_t;
315 struct ppc4xx_plb_t {
321 static target_ulong dcr_read_plb (void *opaque, int dcrn)
338 /* Avoid gcc warning */
346 static void dcr_write_plb (void *opaque, int dcrn, target_ulong val)
353 plb->acr = val & 0xFC000000;
365 static void ppc4xx_plb_reset (void *opaque)
370 plb->acr = 0x00000000;
371 plb->bear = 0x00000000;
372 plb->besr = 0x00000000;
375 void ppc4xx_plb_init (CPUState *env)
379 plb = qemu_mallocz(sizeof(ppc4xx_plb_t));
381 ppc_dcr_register(env, PLB0_ACR, plb, &dcr_read_plb, &dcr_write_plb);
382 ppc_dcr_register(env, PLB0_BEAR, plb, &dcr_read_plb, &dcr_write_plb);
383 ppc_dcr_register(env, PLB0_BESR, plb, &dcr_read_plb, &dcr_write_plb);
384 ppc4xx_plb_reset(plb);
385 qemu_register_reset(ppc4xx_plb_reset, plb);
389 /*****************************************************************************/
390 /* PLB to OPB bridge */
397 typedef struct ppc4xx_pob_t ppc4xx_pob_t;
398 struct ppc4xx_pob_t {
403 static target_ulong dcr_read_pob (void *opaque, int dcrn)
415 ret = pob->besr[dcrn - POB0_BESR0];
418 /* Avoid gcc warning */
426 static void dcr_write_pob (void *opaque, int dcrn, target_ulong val)
438 pob->besr[dcrn - POB0_BESR0] &= ~val;
443 static void ppc4xx_pob_reset (void *opaque)
449 pob->bear = 0x00000000;
450 pob->besr[0] = 0x0000000;
451 pob->besr[1] = 0x0000000;
454 void ppc4xx_pob_init (CPUState *env)
458 pob = qemu_mallocz(sizeof(ppc4xx_pob_t));
460 ppc_dcr_register(env, POB0_BEAR, pob, &dcr_read_pob, &dcr_write_pob);
461 ppc_dcr_register(env, POB0_BESR0, pob, &dcr_read_pob, &dcr_write_pob);
462 ppc_dcr_register(env, POB0_BESR1, pob, &dcr_read_pob, &dcr_write_pob);
463 qemu_register_reset(ppc4xx_pob_reset, pob);
464 ppc4xx_pob_reset(env);
468 /*****************************************************************************/
470 typedef struct ppc4xx_opba_t ppc4xx_opba_t;
471 struct ppc4xx_opba_t {
477 static uint32_t opba_readb (void *opaque, target_phys_addr_t addr)
483 printf("%s: addr " PADDRX "\n", __func__, addr);
486 switch (addr - opba->base) {
501 static void opba_writeb (void *opaque,
502 target_phys_addr_t addr, uint32_t value)
507 printf("%s: addr " PADDRX " val %08x\n", __func__, addr, value);
510 switch (addr - opba->base) {
512 opba->cr = value & 0xF8;
515 opba->pr = value & 0xFF;
522 static uint32_t opba_readw (void *opaque, target_phys_addr_t addr)
527 printf("%s: addr " PADDRX "\n", __func__, addr);
529 ret = opba_readb(opaque, addr) << 8;
530 ret |= opba_readb(opaque, addr + 1);
535 static void opba_writew (void *opaque,
536 target_phys_addr_t addr, uint32_t value)
539 printf("%s: addr " PADDRX " val %08x\n", __func__, addr, value);
541 opba_writeb(opaque, addr, value >> 8);
542 opba_writeb(opaque, addr + 1, value);
545 static uint32_t opba_readl (void *opaque, target_phys_addr_t addr)
550 printf("%s: addr " PADDRX "\n", __func__, addr);
552 ret = opba_readb(opaque, addr) << 24;
553 ret |= opba_readb(opaque, addr + 1) << 16;
558 static void opba_writel (void *opaque,
559 target_phys_addr_t addr, uint32_t value)
562 printf("%s: addr " PADDRX " val %08x\n", __func__, addr, value);
564 opba_writeb(opaque, addr, value >> 24);
565 opba_writeb(opaque, addr + 1, value >> 16);
568 static CPUReadMemoryFunc *opba_read[] = {
574 static CPUWriteMemoryFunc *opba_write[] = {
580 static void ppc4xx_opba_reset (void *opaque)
585 opba->cr = 0x00; /* No dynamic priorities - park disabled */
589 void ppc4xx_opba_init (CPUState *env, ppc4xx_mmio_t *mmio, uint32_t offset)
593 opba = qemu_mallocz(sizeof(ppc4xx_opba_t));
595 opba->base = mmio->base + offset;
597 printf("%s: offset=%08x\n", __func__, offset);
599 ppc4xx_mmio_register(env, mmio, offset, 0x002,
600 opba_read, opba_write, opba);
601 qemu_register_reset(ppc4xx_opba_reset, opba);
602 ppc4xx_opba_reset(opba);
606 /*****************************************************************************/
607 /* "Universal" Interrupt controller */
621 #define UIC_MAX_IRQ 32
622 typedef struct ppcuic_t ppcuic_t;
626 uint32_t uicsr; /* Status register */
627 uint32_t uicer; /* Enable register */
628 uint32_t uiccr; /* Critical register */
629 uint32_t uicpr; /* Polarity register */
630 uint32_t uictr; /* Triggering register */
631 uint32_t uicvcr; /* Vector configuration register */
636 static void ppcuic_trigger_irq (ppcuic_t *uic)
639 int start, end, inc, i;
641 /* Trigger interrupt if any is pending */
642 ir = uic->uicsr & uic->uicer & (~uic->uiccr);
643 cr = uic->uicsr & uic->uicer & uic->uiccr;
645 if (loglevel & CPU_LOG_INT) {
646 fprintf(logfile, "%s: uicsr %08x uicer %08x uiccr %08x\n"
647 " %08x ir %08x cr %08x\n", __func__,
648 uic->uicsr, uic->uicer, uic->uiccr,
649 uic->uicsr & uic->uicer, ir, cr);
652 if (ir != 0x0000000) {
654 if (loglevel & CPU_LOG_INT) {
655 fprintf(logfile, "Raise UIC interrupt\n");
658 qemu_irq_raise(uic->irqs[PPCUIC_OUTPUT_INT]);
661 if (loglevel & CPU_LOG_INT) {
662 fprintf(logfile, "Lower UIC interrupt\n");
665 qemu_irq_lower(uic->irqs[PPCUIC_OUTPUT_INT]);
667 /* Trigger critical interrupt if any is pending and update vector */
668 if (cr != 0x0000000) {
669 qemu_irq_raise(uic->irqs[PPCUIC_OUTPUT_CINT]);
670 if (uic->use_vectors) {
671 /* Compute critical IRQ vector */
672 if (uic->uicvcr & 1) {
681 uic->uicvr = uic->uicvcr & 0xFFFFFFFC;
682 for (i = start; i <= end; i += inc) {
684 uic->uicvr += (i - start) * 512 * inc;
690 if (loglevel & CPU_LOG_INT) {
691 fprintf(logfile, "Raise UIC critical interrupt - vector %08x\n",
697 if (loglevel & CPU_LOG_INT) {
698 fprintf(logfile, "Lower UIC critical interrupt\n");
701 qemu_irq_lower(uic->irqs[PPCUIC_OUTPUT_CINT]);
702 uic->uicvr = 0x00000000;
706 static void ppcuic_set_irq (void *opaque, int irq_num, int level)
714 if (loglevel & CPU_LOG_INT) {
715 fprintf(logfile, "%s: irq %d level %d uicsr %08x mask %08x => %08x "
716 "%08x\n", __func__, irq_num, level,
717 uic->uicsr, mask, uic->uicsr & mask, level << irq_num);
720 if (irq_num < 0 || irq_num > 31)
723 if (!(uic->uicpr & mask)) {
724 /* Negatively asserted IRQ */
725 level = level == 0 ? 1 : 0;
727 /* Update status register */
728 if (uic->uictr & mask) {
729 /* Edge sensitive interrupt */
733 /* Level sensitive interrupt */
740 if (loglevel & CPU_LOG_INT) {
741 fprintf(logfile, "%s: irq %d level %d sr %08x => %08x\n", __func__,
742 irq_num, level, uic->uicsr, sr);
745 if (sr != uic->uicsr)
746 ppcuic_trigger_irq(uic);
749 static target_ulong dcr_read_uic (void *opaque, int dcrn)
755 dcrn -= uic->dcr_base;
774 ret = uic->uicsr & uic->uicer;
777 if (!uic->use_vectors)
782 if (!uic->use_vectors)
795 static void dcr_write_uic (void *opaque, int dcrn, target_ulong val)
800 dcrn -= uic->dcr_base;
802 if (loglevel & CPU_LOG_INT) {
803 fprintf(logfile, "%s: dcr %d val " ADDRX "\n", __func__, dcrn, val);
809 ppcuic_trigger_irq(uic);
813 ppcuic_trigger_irq(uic);
817 ppcuic_trigger_irq(uic);
821 ppcuic_trigger_irq(uic);
825 ppcuic_trigger_irq(uic);
829 ppcuic_trigger_irq(uic);
836 uic->uicvcr = val & 0xFFFFFFFD;
837 ppcuic_trigger_irq(uic);
842 static void ppcuic_reset (void *opaque)
847 uic->uiccr = 0x00000000;
848 uic->uicer = 0x00000000;
849 uic->uicpr = 0x00000000;
850 uic->uicsr = 0x00000000;
851 uic->uictr = 0x00000000;
852 if (uic->use_vectors) {
853 uic->uicvcr = 0x00000000;
854 uic->uicvr = 0x0000000;
858 qemu_irq *ppcuic_init (CPUState *env, qemu_irq *irqs,
859 uint32_t dcr_base, int has_ssr, int has_vr)
864 uic = qemu_mallocz(sizeof(ppcuic_t));
866 uic->dcr_base = dcr_base;
869 uic->use_vectors = 1;
870 for (i = 0; i < DCR_UICMAX; i++) {
871 ppc_dcr_register(env, dcr_base + i, uic,
872 &dcr_read_uic, &dcr_write_uic);
874 qemu_register_reset(ppcuic_reset, uic);
878 return qemu_allocate_irqs(&ppcuic_set_irq, uic, UIC_MAX_IRQ);
881 /*****************************************************************************/
882 /* Code decompression controller */
885 /*****************************************************************************/
886 /* SDRAM controller */
887 typedef struct ppc4xx_sdram_t ppc4xx_sdram_t;
888 struct ppc4xx_sdram_t {
891 target_ulong ram_bases[4];
892 target_ulong ram_sizes[4];
908 SDRAM0_CFGADDR = 0x010,
909 SDRAM0_CFGDATA = 0x011,
912 static uint32_t sdram_bcr (target_ulong ram_base, target_ulong ram_size)
917 case (4 * 1024 * 1024):
920 case (8 * 1024 * 1024):
923 case (16 * 1024 * 1024):
926 case (32 * 1024 * 1024):
929 case (64 * 1024 * 1024):
932 case (128 * 1024 * 1024):
935 case (256 * 1024 * 1024):
939 printf("%s: invalid RAM size " TARGET_FMT_ld "\n", __func__, ram_size);
942 bcr |= ram_base & 0xFF800000;
948 static inline target_ulong sdram_base (uint32_t bcr)
950 return bcr & 0xFF800000;
953 static target_ulong sdram_size (uint32_t bcr)
958 sh = (bcr >> 17) & 0x7;
962 size = (4 * 1024 * 1024) << sh;
967 static void sdram_set_bcr (uint32_t *bcrp, uint32_t bcr, int enabled)
969 if (*bcrp & 0x00000001) {
972 printf("%s: unmap RAM area " ADDRX " " ADDRX "\n", __func__,
973 sdram_base(*bcrp), sdram_size(*bcrp));
975 cpu_register_physical_memory(sdram_base(*bcrp), sdram_size(*bcrp),
978 *bcrp = bcr & 0xFFDEE001;
979 if (enabled && (bcr & 0x00000001)) {
981 printf("%s: Map RAM area " ADDRX " " ADDRX "\n", __func__,
982 sdram_base(bcr), sdram_size(bcr));
984 cpu_register_physical_memory(sdram_base(bcr), sdram_size(bcr),
985 sdram_base(bcr) | IO_MEM_RAM);
989 static void sdram_map_bcr (ppc4xx_sdram_t *sdram)
993 for (i = 0; i < sdram->nbanks; i++) {
994 if (sdram->ram_sizes[i] != 0) {
995 sdram_set_bcr(&sdram->bcr[i],
996 sdram_bcr(sdram->ram_bases[i], sdram->ram_sizes[i]),
999 sdram_set_bcr(&sdram->bcr[i], 0x00000000, 0);
1004 static void sdram_unmap_bcr (ppc4xx_sdram_t *sdram)
1008 for (i = 0; i < sdram->nbanks; i++) {
1010 printf("%s: Unmap RAM area " ADDRX " " ADDRX "\n", __func__,
1011 sdram_base(sdram->bcr[i]), sdram_size(sdram->bcr[i]));
1013 cpu_register_physical_memory(sdram_base(sdram->bcr[i]),
1014 sdram_size(sdram->bcr[i]),
1019 static target_ulong dcr_read_sdram (void *opaque, int dcrn)
1021 ppc4xx_sdram_t *sdram;
1026 case SDRAM0_CFGADDR:
1029 case SDRAM0_CFGDATA:
1030 switch (sdram->addr) {
1031 case 0x00: /* SDRAM_BESR0 */
1034 case 0x08: /* SDRAM_BESR1 */
1037 case 0x10: /* SDRAM_BEAR */
1040 case 0x20: /* SDRAM_CFG */
1043 case 0x24: /* SDRAM_STATUS */
1044 ret = sdram->status;
1046 case 0x30: /* SDRAM_RTR */
1049 case 0x34: /* SDRAM_PMIT */
1052 case 0x40: /* SDRAM_B0CR */
1053 ret = sdram->bcr[0];
1055 case 0x44: /* SDRAM_B1CR */
1056 ret = sdram->bcr[1];
1058 case 0x48: /* SDRAM_B2CR */
1059 ret = sdram->bcr[2];
1061 case 0x4C: /* SDRAM_B3CR */
1062 ret = sdram->bcr[3];
1064 case 0x80: /* SDRAM_TR */
1067 case 0x94: /* SDRAM_ECCCFG */
1068 ret = sdram->ecccfg;
1070 case 0x98: /* SDRAM_ECCESR */
1071 ret = sdram->eccesr;
1073 default: /* Error */
1079 /* Avoid gcc warning */
1087 static void dcr_write_sdram (void *opaque, int dcrn, target_ulong val)
1089 ppc4xx_sdram_t *sdram;
1093 case SDRAM0_CFGADDR:
1096 case SDRAM0_CFGDATA:
1097 switch (sdram->addr) {
1098 case 0x00: /* SDRAM_BESR0 */
1099 sdram->besr0 &= ~val;
1101 case 0x08: /* SDRAM_BESR1 */
1102 sdram->besr1 &= ~val;
1104 case 0x10: /* SDRAM_BEAR */
1107 case 0x20: /* SDRAM_CFG */
1109 if (!(sdram->cfg & 0x80000000) && (val & 0x80000000)) {
1111 printf("%s: enable SDRAM controller\n", __func__);
1113 /* validate all RAM mappings */
1114 sdram_map_bcr(sdram);
1115 sdram->status &= ~0x80000000;
1116 } else if ((sdram->cfg & 0x80000000) && !(val & 0x80000000)) {
1118 printf("%s: disable SDRAM controller\n", __func__);
1120 /* invalidate all RAM mappings */
1121 sdram_unmap_bcr(sdram);
1122 sdram->status |= 0x80000000;
1124 if (!(sdram->cfg & 0x40000000) && (val & 0x40000000))
1125 sdram->status |= 0x40000000;
1126 else if ((sdram->cfg & 0x40000000) && !(val & 0x40000000))
1127 sdram->status &= ~0x40000000;
1130 case 0x24: /* SDRAM_STATUS */
1131 /* Read-only register */
1133 case 0x30: /* SDRAM_RTR */
1134 sdram->rtr = val & 0x3FF80000;
1136 case 0x34: /* SDRAM_PMIT */
1137 sdram->pmit = (val & 0xF8000000) | 0x07C00000;
1139 case 0x40: /* SDRAM_B0CR */
1140 sdram_set_bcr(&sdram->bcr[0], val, sdram->cfg & 0x80000000);
1142 case 0x44: /* SDRAM_B1CR */
1143 sdram_set_bcr(&sdram->bcr[1], val, sdram->cfg & 0x80000000);
1145 case 0x48: /* SDRAM_B2CR */
1146 sdram_set_bcr(&sdram->bcr[2], val, sdram->cfg & 0x80000000);
1148 case 0x4C: /* SDRAM_B3CR */
1149 sdram_set_bcr(&sdram->bcr[3], val, sdram->cfg & 0x80000000);
1151 case 0x80: /* SDRAM_TR */
1152 sdram->tr = val & 0x018FC01F;
1154 case 0x94: /* SDRAM_ECCCFG */
1155 sdram->ecccfg = val & 0x00F00000;
1157 case 0x98: /* SDRAM_ECCESR */
1159 if (sdram->eccesr == 0 && val != 0)
1160 qemu_irq_raise(sdram->irq);
1161 else if (sdram->eccesr != 0 && val == 0)
1162 qemu_irq_lower(sdram->irq);
1163 sdram->eccesr = val;
1165 default: /* Error */
1172 static void sdram_reset (void *opaque)
1174 ppc4xx_sdram_t *sdram;
1177 sdram->addr = 0x00000000;
1178 sdram->bear = 0x00000000;
1179 sdram->besr0 = 0x00000000; /* No error */
1180 sdram->besr1 = 0x00000000; /* No error */
1181 sdram->cfg = 0x00000000;
1182 sdram->ecccfg = 0x00000000; /* No ECC */
1183 sdram->eccesr = 0x00000000; /* No error */
1184 sdram->pmit = 0x07C00000;
1185 sdram->rtr = 0x05F00000;
1186 sdram->tr = 0x00854009;
1187 /* We pre-initialize RAM banks */
1188 sdram->status = 0x00000000;
1189 sdram->cfg = 0x00800000;
1190 sdram_unmap_bcr(sdram);
1193 void ppc405_sdram_init (CPUState *env, qemu_irq irq, int nbanks,
1194 target_ulong *ram_bases, target_ulong *ram_sizes,
1197 ppc4xx_sdram_t *sdram;
1199 sdram = qemu_mallocz(sizeof(ppc4xx_sdram_t));
1200 if (sdram != NULL) {
1202 sdram->nbanks = nbanks;
1203 memset(sdram->ram_bases, 0, 4 * sizeof(target_ulong));
1204 memcpy(sdram->ram_bases, ram_bases, nbanks * sizeof(target_ulong));
1205 memset(sdram->ram_sizes, 0, 4 * sizeof(target_ulong));
1206 memcpy(sdram->ram_sizes, ram_sizes, nbanks * sizeof(target_ulong));
1208 qemu_register_reset(&sdram_reset, sdram);
1209 ppc_dcr_register(env, SDRAM0_CFGADDR,
1210 sdram, &dcr_read_sdram, &dcr_write_sdram);
1211 ppc_dcr_register(env, SDRAM0_CFGDATA,
1212 sdram, &dcr_read_sdram, &dcr_write_sdram);
1214 sdram_map_bcr(sdram);
1218 /*****************************************************************************/
1219 /* Peripheral controller */
1220 typedef struct ppc4xx_ebc_t ppc4xx_ebc_t;
1221 struct ppc4xx_ebc_t {
1232 EBC0_CFGADDR = 0x012,
1233 EBC0_CFGDATA = 0x013,
1236 static target_ulong dcr_read_ebc (void *opaque, int dcrn)
1247 switch (ebc->addr) {
1248 case 0x00: /* B0CR */
1251 case 0x01: /* B1CR */
1254 case 0x02: /* B2CR */
1257 case 0x03: /* B3CR */
1260 case 0x04: /* B4CR */
1263 case 0x05: /* B5CR */
1266 case 0x06: /* B6CR */
1269 case 0x07: /* B7CR */
1272 case 0x10: /* B0AP */
1275 case 0x11: /* B1AP */
1278 case 0x12: /* B2AP */
1281 case 0x13: /* B3AP */
1284 case 0x14: /* B4AP */
1287 case 0x15: /* B5AP */
1290 case 0x16: /* B6AP */
1293 case 0x17: /* B7AP */
1296 case 0x20: /* BEAR */
1299 case 0x21: /* BESR0 */
1302 case 0x22: /* BESR1 */
1305 case 0x23: /* CFG */
1320 static void dcr_write_ebc (void *opaque, int dcrn, target_ulong val)
1330 switch (ebc->addr) {
1331 case 0x00: /* B0CR */
1333 case 0x01: /* B1CR */
1335 case 0x02: /* B2CR */
1337 case 0x03: /* B3CR */
1339 case 0x04: /* B4CR */
1341 case 0x05: /* B5CR */
1343 case 0x06: /* B6CR */
1345 case 0x07: /* B7CR */
1347 case 0x10: /* B0AP */
1349 case 0x11: /* B1AP */
1351 case 0x12: /* B2AP */
1353 case 0x13: /* B3AP */
1355 case 0x14: /* B4AP */
1357 case 0x15: /* B5AP */
1359 case 0x16: /* B6AP */
1361 case 0x17: /* B7AP */
1363 case 0x20: /* BEAR */
1365 case 0x21: /* BESR0 */
1367 case 0x22: /* BESR1 */
1369 case 0x23: /* CFG */
1380 static void ebc_reset (void *opaque)
1386 ebc->addr = 0x00000000;
1387 ebc->bap[0] = 0x7F8FFE80;
1388 ebc->bcr[0] = 0xFFE28000;
1389 for (i = 0; i < 8; i++) {
1390 ebc->bap[i] = 0x00000000;
1391 ebc->bcr[i] = 0x00000000;
1393 ebc->besr0 = 0x00000000;
1394 ebc->besr1 = 0x00000000;
1395 ebc->cfg = 0x07C00000;
1398 void ppc405_ebc_init (CPUState *env)
1402 ebc = qemu_mallocz(sizeof(ppc4xx_ebc_t));
1405 qemu_register_reset(&ebc_reset, ebc);
1406 ppc_dcr_register(env, EBC0_CFGADDR,
1407 ebc, &dcr_read_ebc, &dcr_write_ebc);
1408 ppc_dcr_register(env, EBC0_CFGDATA,
1409 ebc, &dcr_read_ebc, &dcr_write_ebc);
1413 /*****************************************************************************/
1414 /* DMA controller */
1442 typedef struct ppc405_dma_t ppc405_dma_t;
1443 struct ppc405_dma_t {
1456 static target_ulong dcr_read_dma (void *opaque, int dcrn)
1465 static void dcr_write_dma (void *opaque, int dcrn, target_ulong val)
1472 static void ppc405_dma_reset (void *opaque)
1478 for (i = 0; i < 4; i++) {
1479 dma->cr[i] = 0x00000000;
1480 dma->ct[i] = 0x00000000;
1481 dma->da[i] = 0x00000000;
1482 dma->sa[i] = 0x00000000;
1483 dma->sg[i] = 0x00000000;
1485 dma->sr = 0x00000000;
1486 dma->sgc = 0x00000000;
1487 dma->slp = 0x7C000000;
1488 dma->pol = 0x00000000;
1491 void ppc405_dma_init (CPUState *env, qemu_irq irqs[4])
1495 dma = qemu_mallocz(sizeof(ppc405_dma_t));
1497 memcpy(dma->irqs, irqs, 4 * sizeof(qemu_irq));
1498 ppc405_dma_reset(dma);
1499 qemu_register_reset(&ppc405_dma_reset, dma);
1500 ppc_dcr_register(env, DMA0_CR0,
1501 dma, &dcr_read_dma, &dcr_write_dma);
1502 ppc_dcr_register(env, DMA0_CT0,
1503 dma, &dcr_read_dma, &dcr_write_dma);
1504 ppc_dcr_register(env, DMA0_DA0,
1505 dma, &dcr_read_dma, &dcr_write_dma);
1506 ppc_dcr_register(env, DMA0_SA0,
1507 dma, &dcr_read_dma, &dcr_write_dma);
1508 ppc_dcr_register(env, DMA0_SG0,
1509 dma, &dcr_read_dma, &dcr_write_dma);
1510 ppc_dcr_register(env, DMA0_CR1,
1511 dma, &dcr_read_dma, &dcr_write_dma);
1512 ppc_dcr_register(env, DMA0_CT1,
1513 dma, &dcr_read_dma, &dcr_write_dma);
1514 ppc_dcr_register(env, DMA0_DA1,
1515 dma, &dcr_read_dma, &dcr_write_dma);
1516 ppc_dcr_register(env, DMA0_SA1,
1517 dma, &dcr_read_dma, &dcr_write_dma);
1518 ppc_dcr_register(env, DMA0_SG1,
1519 dma, &dcr_read_dma, &dcr_write_dma);
1520 ppc_dcr_register(env, DMA0_CR2,
1521 dma, &dcr_read_dma, &dcr_write_dma);
1522 ppc_dcr_register(env, DMA0_CT2,
1523 dma, &dcr_read_dma, &dcr_write_dma);
1524 ppc_dcr_register(env, DMA0_DA2,
1525 dma, &dcr_read_dma, &dcr_write_dma);
1526 ppc_dcr_register(env, DMA0_SA2,
1527 dma, &dcr_read_dma, &dcr_write_dma);
1528 ppc_dcr_register(env, DMA0_SG2,
1529 dma, &dcr_read_dma, &dcr_write_dma);
1530 ppc_dcr_register(env, DMA0_CR3,
1531 dma, &dcr_read_dma, &dcr_write_dma);
1532 ppc_dcr_register(env, DMA0_CT3,
1533 dma, &dcr_read_dma, &dcr_write_dma);
1534 ppc_dcr_register(env, DMA0_DA3,
1535 dma, &dcr_read_dma, &dcr_write_dma);
1536 ppc_dcr_register(env, DMA0_SA3,
1537 dma, &dcr_read_dma, &dcr_write_dma);
1538 ppc_dcr_register(env, DMA0_SG3,
1539 dma, &dcr_read_dma, &dcr_write_dma);
1540 ppc_dcr_register(env, DMA0_SR,
1541 dma, &dcr_read_dma, &dcr_write_dma);
1542 ppc_dcr_register(env, DMA0_SGC,
1543 dma, &dcr_read_dma, &dcr_write_dma);
1544 ppc_dcr_register(env, DMA0_SLP,
1545 dma, &dcr_read_dma, &dcr_write_dma);
1546 ppc_dcr_register(env, DMA0_POL,
1547 dma, &dcr_read_dma, &dcr_write_dma);
1551 /*****************************************************************************/
1553 typedef struct ppc405_gpio_t ppc405_gpio_t;
1554 struct ppc405_gpio_t {
1569 static uint32_t ppc405_gpio_readb (void *opaque, target_phys_addr_t addr)
1571 ppc405_gpio_t *gpio;
1575 printf("%s: addr " PADDRX "\n", __func__, addr);
1581 static void ppc405_gpio_writeb (void *opaque,
1582 target_phys_addr_t addr, uint32_t value)
1584 ppc405_gpio_t *gpio;
1588 printf("%s: addr " PADDRX " val %08x\n", __func__, addr, value);
1592 static uint32_t ppc405_gpio_readw (void *opaque, target_phys_addr_t addr)
1594 ppc405_gpio_t *gpio;
1598 printf("%s: addr " PADDRX "\n", __func__, addr);
1604 static void ppc405_gpio_writew (void *opaque,
1605 target_phys_addr_t addr, uint32_t value)
1607 ppc405_gpio_t *gpio;
1611 printf("%s: addr " PADDRX " val %08x\n", __func__, addr, value);
1615 static uint32_t ppc405_gpio_readl (void *opaque, target_phys_addr_t addr)
1617 ppc405_gpio_t *gpio;
1621 printf("%s: addr " PADDRX "\n", __func__, addr);
1627 static void ppc405_gpio_writel (void *opaque,
1628 target_phys_addr_t addr, uint32_t value)
1630 ppc405_gpio_t *gpio;
1634 printf("%s: addr " PADDRX " val %08x\n", __func__, addr, value);
1638 static CPUReadMemoryFunc *ppc405_gpio_read[] = {
1644 static CPUWriteMemoryFunc *ppc405_gpio_write[] = {
1645 &ppc405_gpio_writeb,
1646 &ppc405_gpio_writew,
1647 &ppc405_gpio_writel,
1650 static void ppc405_gpio_reset (void *opaque)
1652 ppc405_gpio_t *gpio;
1657 void ppc405_gpio_init (CPUState *env, ppc4xx_mmio_t *mmio, uint32_t offset)
1659 ppc405_gpio_t *gpio;
1661 gpio = qemu_mallocz(sizeof(ppc405_gpio_t));
1663 gpio->base = mmio->base + offset;
1664 ppc405_gpio_reset(gpio);
1665 qemu_register_reset(&ppc405_gpio_reset, gpio);
1667 printf("%s: offset=%08x\n", __func__, offset);
1669 ppc4xx_mmio_register(env, mmio, offset, 0x038,
1670 ppc405_gpio_read, ppc405_gpio_write, gpio);
1674 /*****************************************************************************/
1676 static CPUReadMemoryFunc *serial_mm_read[] = {
1682 static CPUWriteMemoryFunc *serial_mm_write[] = {
1688 void ppc405_serial_init (CPUState *env, ppc4xx_mmio_t *mmio,
1689 uint32_t offset, qemu_irq irq,
1690 CharDriverState *chr)
1695 printf("%s: offset=%08x\n", __func__, offset);
1697 serial = serial_mm_init(mmio->base + offset, 0, irq, chr, 0);
1698 ppc4xx_mmio_register(env, mmio, offset, 0x008,
1699 serial_mm_read, serial_mm_write, serial);
1702 /*****************************************************************************/
1703 /* On Chip Memory */
1706 OCM0_ISACNTL = 0x019,
1708 OCM0_DSACNTL = 0x01B,
1711 typedef struct ppc405_ocm_t ppc405_ocm_t;
1712 struct ppc405_ocm_t {
1713 target_ulong offset;
1720 static void ocm_update_mappings (ppc405_ocm_t *ocm,
1721 uint32_t isarc, uint32_t isacntl,
1722 uint32_t dsarc, uint32_t dsacntl)
1725 printf("OCM update ISA %08x %08x (%08x %08x) DSA %08x %08x (%08x %08x)\n",
1726 isarc, isacntl, dsarc, dsacntl,
1727 ocm->isarc, ocm->isacntl, ocm->dsarc, ocm->dsacntl);
1729 if (ocm->isarc != isarc ||
1730 (ocm->isacntl & 0x80000000) != (isacntl & 0x80000000)) {
1731 if (ocm->isacntl & 0x80000000) {
1732 /* Unmap previously assigned memory region */
1733 printf("OCM unmap ISA %08x\n", ocm->isarc);
1734 cpu_register_physical_memory(ocm->isarc, 0x04000000,
1737 if (isacntl & 0x80000000) {
1738 /* Map new instruction memory region */
1740 printf("OCM map ISA %08x\n", isarc);
1742 cpu_register_physical_memory(isarc, 0x04000000,
1743 ocm->offset | IO_MEM_RAM);
1746 if (ocm->dsarc != dsarc ||
1747 (ocm->dsacntl & 0x80000000) != (dsacntl & 0x80000000)) {
1748 if (ocm->dsacntl & 0x80000000) {
1749 /* Beware not to unmap the region we just mapped */
1750 if (!(isacntl & 0x80000000) || ocm->dsarc != isarc) {
1751 /* Unmap previously assigned memory region */
1753 printf("OCM unmap DSA %08x\n", ocm->dsarc);
1755 cpu_register_physical_memory(ocm->dsarc, 0x04000000,
1759 if (dsacntl & 0x80000000) {
1760 /* Beware not to remap the region we just mapped */
1761 if (!(isacntl & 0x80000000) || dsarc != isarc) {
1762 /* Map new data memory region */
1764 printf("OCM map DSA %08x\n", dsarc);
1766 cpu_register_physical_memory(dsarc, 0x04000000,
1767 ocm->offset | IO_MEM_RAM);
1773 static target_ulong dcr_read_ocm (void *opaque, int dcrn)
1800 static void dcr_write_ocm (void *opaque, int dcrn, target_ulong val)
1803 uint32_t isarc, dsarc, isacntl, dsacntl;
1808 isacntl = ocm->isacntl;
1809 dsacntl = ocm->dsacntl;
1812 isarc = val & 0xFC000000;
1815 isacntl = val & 0xC0000000;
1818 isarc = val & 0xFC000000;
1821 isacntl = val & 0xC0000000;
1824 ocm_update_mappings(ocm, isarc, isacntl, dsarc, dsacntl);
1827 ocm->isacntl = isacntl;
1828 ocm->dsacntl = dsacntl;
1831 static void ocm_reset (void *opaque)
1834 uint32_t isarc, dsarc, isacntl, dsacntl;
1838 isacntl = 0x00000000;
1840 dsacntl = 0x00000000;
1841 ocm_update_mappings(ocm, isarc, isacntl, dsarc, dsacntl);
1844 ocm->isacntl = isacntl;
1845 ocm->dsacntl = dsacntl;
1848 void ppc405_ocm_init (CPUState *env, unsigned long offset)
1852 ocm = qemu_mallocz(sizeof(ppc405_ocm_t));
1854 ocm->offset = offset;
1856 qemu_register_reset(&ocm_reset, ocm);
1857 ppc_dcr_register(env, OCM0_ISARC,
1858 ocm, &dcr_read_ocm, &dcr_write_ocm);
1859 ppc_dcr_register(env, OCM0_ISACNTL,
1860 ocm, &dcr_read_ocm, &dcr_write_ocm);
1861 ppc_dcr_register(env, OCM0_DSARC,
1862 ocm, &dcr_read_ocm, &dcr_write_ocm);
1863 ppc_dcr_register(env, OCM0_DSACNTL,
1864 ocm, &dcr_read_ocm, &dcr_write_ocm);
1868 /*****************************************************************************/
1869 /* I2C controller */
1870 typedef struct ppc4xx_i2c_t ppc4xx_i2c_t;
1871 struct ppc4xx_i2c_t {
1890 static uint32_t ppc4xx_i2c_readb (void *opaque, target_phys_addr_t addr)
1896 printf("%s: addr " PADDRX "\n", __func__, addr);
1899 switch (addr - i2c->base) {
1901 // i2c_readbyte(&i2c->mdata);
1941 ret = i2c->xtcntlss;
1944 ret = i2c->directcntl;
1951 printf("%s: addr " PADDRX " %02x\n", __func__, addr, ret);
1957 static void ppc4xx_i2c_writeb (void *opaque,
1958 target_phys_addr_t addr, uint32_t value)
1963 printf("%s: addr " PADDRX " val %08x\n", __func__, addr, value);
1966 switch (addr - i2c->base) {
1969 // i2c_sendbyte(&i2c->mdata);
1984 i2c->mdcntl = value & 0xDF;
1987 i2c->sts &= ~(value & 0x0A);
1990 i2c->extsts &= ~(value & 0x8F);
1999 i2c->clkdiv = value;
2002 i2c->intrmsk = value;
2005 i2c->xfrcnt = value & 0x77;
2008 i2c->xtcntlss = value;
2011 i2c->directcntl = value & 0x7;
2016 static uint32_t ppc4xx_i2c_readw (void *opaque, target_phys_addr_t addr)
2021 printf("%s: addr " PADDRX "\n", __func__, addr);
2023 ret = ppc4xx_i2c_readb(opaque, addr) << 8;
2024 ret |= ppc4xx_i2c_readb(opaque, addr + 1);
2029 static void ppc4xx_i2c_writew (void *opaque,
2030 target_phys_addr_t addr, uint32_t value)
2033 printf("%s: addr " PADDRX " val %08x\n", __func__, addr, value);
2035 ppc4xx_i2c_writeb(opaque, addr, value >> 8);
2036 ppc4xx_i2c_writeb(opaque, addr + 1, value);
2039 static uint32_t ppc4xx_i2c_readl (void *opaque, target_phys_addr_t addr)
2044 printf("%s: addr " PADDRX "\n", __func__, addr);
2046 ret = ppc4xx_i2c_readb(opaque, addr) << 24;
2047 ret |= ppc4xx_i2c_readb(opaque, addr + 1) << 16;
2048 ret |= ppc4xx_i2c_readb(opaque, addr + 2) << 8;
2049 ret |= ppc4xx_i2c_readb(opaque, addr + 3);
2054 static void ppc4xx_i2c_writel (void *opaque,
2055 target_phys_addr_t addr, uint32_t value)
2058 printf("%s: addr " PADDRX " val %08x\n", __func__, addr, value);
2060 ppc4xx_i2c_writeb(opaque, addr, value >> 24);
2061 ppc4xx_i2c_writeb(opaque, addr + 1, value >> 16);
2062 ppc4xx_i2c_writeb(opaque, addr + 2, value >> 8);
2063 ppc4xx_i2c_writeb(opaque, addr + 3, value);
2066 static CPUReadMemoryFunc *i2c_read[] = {
2072 static CPUWriteMemoryFunc *i2c_write[] = {
2078 static void ppc4xx_i2c_reset (void *opaque)
2091 i2c->directcntl = 0x0F;
2094 void ppc405_i2c_init (CPUState *env, ppc4xx_mmio_t *mmio, uint32_t offset)
2098 i2c = qemu_mallocz(sizeof(ppc4xx_i2c_t));
2100 i2c->base = mmio->base + offset;
2101 ppc4xx_i2c_reset(i2c);
2103 printf("%s: offset=%08x\n", __func__, offset);
2105 ppc4xx_mmio_register(env, mmio, offset, 0x011,
2106 i2c_read, i2c_write, i2c);
2107 qemu_register_reset(ppc4xx_i2c_reset, i2c);
2111 /*****************************************************************************/
2113 void ppc40x_core_reset (CPUState *env)
2117 printf("Reset PowerPC core\n");
2119 dbsr = env->spr[SPR_40x_DBSR];
2120 dbsr &= ~0x00000300;
2122 env->spr[SPR_40x_DBSR] = dbsr;
2126 void ppc40x_chip_reset (CPUState *env)
2130 printf("Reset PowerPC chip\n");
2132 /* XXX: TODO reset all internal peripherals */
2133 dbsr = env->spr[SPR_40x_DBSR];
2134 dbsr &= ~0x00000300;
2136 env->spr[SPR_40x_DBSR] = dbsr;
2140 void ppc40x_system_reset (CPUState *env)
2142 printf("Reset PowerPC system\n");
2143 qemu_system_reset_request();
2146 void store_40x_dbcr0 (CPUState *env, uint32_t val)
2148 switch ((val >> 28) & 0x3) {
2154 ppc40x_core_reset(env);
2158 ppc40x_chip_reset(env);
2162 ppc40x_system_reset(env);
2167 /*****************************************************************************/
2170 PPC405CR_CPC0_PLLMR = 0x0B0,
2171 PPC405CR_CPC0_CR0 = 0x0B1,
2172 PPC405CR_CPC0_CR1 = 0x0B2,
2173 PPC405CR_CPC0_PSR = 0x0B4,
2174 PPC405CR_CPC0_JTAGID = 0x0B5,
2175 PPC405CR_CPC0_ER = 0x0B9,
2176 PPC405CR_CPC0_FR = 0x0BA,
2177 PPC405CR_CPC0_SR = 0x0BB,
2181 PPC405CR_CPU_CLK = 0,
2182 PPC405CR_TMR_CLK = 1,
2183 PPC405CR_PLB_CLK = 2,
2184 PPC405CR_SDRAM_CLK = 3,
2185 PPC405CR_OPB_CLK = 4,
2186 PPC405CR_EXT_CLK = 5,
2187 PPC405CR_UART_CLK = 6,
2188 PPC405CR_CLK_NB = 7,
2191 typedef struct ppc405cr_cpc_t ppc405cr_cpc_t;
2192 struct ppc405cr_cpc_t {
2193 clk_setup_t clk_setup[PPC405CR_CLK_NB];
2204 static void ppc405cr_clk_setup (ppc405cr_cpc_t *cpc)
2206 uint64_t VCO_out, PLL_out;
2207 uint32_t CPU_clk, TMR_clk, SDRAM_clk, PLB_clk, OPB_clk, EXT_clk, UART_clk;
2210 D0 = ((cpc->pllmr >> 26) & 0x3) + 1; /* CBDV */
2211 if (cpc->pllmr & 0x80000000) {
2212 D1 = (((cpc->pllmr >> 20) - 1) & 0xF) + 1; /* FBDV */
2213 D2 = 8 - ((cpc->pllmr >> 16) & 0x7); /* FWDVA */
2215 VCO_out = cpc->sysclk * M;
2216 if (VCO_out < 400000000 || VCO_out > 800000000) {
2217 /* PLL cannot lock */
2218 cpc->pllmr &= ~0x80000000;
2221 PLL_out = VCO_out / D2;
2226 PLL_out = cpc->sysclk * M;
2229 if (cpc->cr1 & 0x00800000)
2230 TMR_clk = cpc->sysclk; /* Should have a separate clock */
2233 PLB_clk = CPU_clk / D0;
2234 SDRAM_clk = PLB_clk;
2235 D0 = ((cpc->pllmr >> 10) & 0x3) + 1;
2236 OPB_clk = PLB_clk / D0;
2237 D0 = ((cpc->pllmr >> 24) & 0x3) + 2;
2238 EXT_clk = PLB_clk / D0;
2239 D0 = ((cpc->cr0 >> 1) & 0x1F) + 1;
2240 UART_clk = CPU_clk / D0;
2241 /* Setup CPU clocks */
2242 clk_setup(&cpc->clk_setup[PPC405CR_CPU_CLK], CPU_clk);
2243 /* Setup time-base clock */
2244 clk_setup(&cpc->clk_setup[PPC405CR_TMR_CLK], TMR_clk);
2245 /* Setup PLB clock */
2246 clk_setup(&cpc->clk_setup[PPC405CR_PLB_CLK], PLB_clk);
2247 /* Setup SDRAM clock */
2248 clk_setup(&cpc->clk_setup[PPC405CR_SDRAM_CLK], SDRAM_clk);
2249 /* Setup OPB clock */
2250 clk_setup(&cpc->clk_setup[PPC405CR_OPB_CLK], OPB_clk);
2251 /* Setup external clock */
2252 clk_setup(&cpc->clk_setup[PPC405CR_EXT_CLK], EXT_clk);
2253 /* Setup UART clock */
2254 clk_setup(&cpc->clk_setup[PPC405CR_UART_CLK], UART_clk);
2257 static target_ulong dcr_read_crcpc (void *opaque, int dcrn)
2259 ppc405cr_cpc_t *cpc;
2264 case PPC405CR_CPC0_PLLMR:
2267 case PPC405CR_CPC0_CR0:
2270 case PPC405CR_CPC0_CR1:
2273 case PPC405CR_CPC0_PSR:
2276 case PPC405CR_CPC0_JTAGID:
2279 case PPC405CR_CPC0_ER:
2282 case PPC405CR_CPC0_FR:
2285 case PPC405CR_CPC0_SR:
2286 ret = ~(cpc->er | cpc->fr) & 0xFFFF0000;
2289 /* Avoid gcc warning */
2297 static void dcr_write_crcpc (void *opaque, int dcrn, target_ulong val)
2299 ppc405cr_cpc_t *cpc;
2303 case PPC405CR_CPC0_PLLMR:
2304 cpc->pllmr = val & 0xFFF77C3F;
2306 case PPC405CR_CPC0_CR0:
2307 cpc->cr0 = val & 0x0FFFFFFE;
2309 case PPC405CR_CPC0_CR1:
2310 cpc->cr1 = val & 0x00800000;
2312 case PPC405CR_CPC0_PSR:
2315 case PPC405CR_CPC0_JTAGID:
2318 case PPC405CR_CPC0_ER:
2319 cpc->er = val & 0xBFFC0000;
2321 case PPC405CR_CPC0_FR:
2322 cpc->fr = val & 0xBFFC0000;
2324 case PPC405CR_CPC0_SR:
2330 static void ppc405cr_cpc_reset (void *opaque)
2332 ppc405cr_cpc_t *cpc;
2336 /* Compute PLLMR value from PSR settings */
2337 cpc->pllmr = 0x80000000;
2339 switch ((cpc->psr >> 30) & 3) {
2342 cpc->pllmr &= ~0x80000000;
2346 cpc->pllmr |= 5 << 16;
2350 cpc->pllmr |= 4 << 16;
2354 cpc->pllmr |= 2 << 16;
2358 D = (cpc->psr >> 28) & 3;
2359 cpc->pllmr |= (D + 1) << 20;
2361 D = (cpc->psr >> 25) & 7;
2376 D = (cpc->psr >> 23) & 3;
2377 cpc->pllmr |= D << 26;
2379 D = (cpc->psr >> 21) & 3;
2380 cpc->pllmr |= D << 10;
2382 D = (cpc->psr >> 17) & 3;
2383 cpc->pllmr |= D << 24;
2384 cpc->cr0 = 0x0000003C;
2385 cpc->cr1 = 0x2B0D8800;
2386 cpc->er = 0x00000000;
2387 cpc->fr = 0x00000000;
2388 ppc405cr_clk_setup(cpc);
2391 static void ppc405cr_clk_init (ppc405cr_cpc_t *cpc)
2395 /* XXX: this should be read from IO pins */
2396 cpc->psr = 0x00000000; /* 8 bits ROM */
2398 D = 0x2; /* Divide by 4 */
2399 cpc->psr |= D << 30;
2401 D = 0x1; /* Divide by 2 */
2402 cpc->psr |= D << 28;
2404 D = 0x1; /* Divide by 2 */
2405 cpc->psr |= D << 23;
2407 D = 0x5; /* M = 16 */
2408 cpc->psr |= D << 25;
2410 D = 0x1; /* Divide by 2 */
2411 cpc->psr |= D << 21;
2413 D = 0x2; /* Divide by 4 */
2414 cpc->psr |= D << 17;
2417 static void ppc405cr_cpc_init (CPUState *env, clk_setup_t clk_setup[7],
2420 ppc405cr_cpc_t *cpc;
2422 cpc = qemu_mallocz(sizeof(ppc405cr_cpc_t));
2424 memcpy(cpc->clk_setup, clk_setup,
2425 PPC405CR_CLK_NB * sizeof(clk_setup_t));
2426 cpc->sysclk = sysclk;
2427 cpc->jtagid = 0x42051049;
2428 ppc_dcr_register(env, PPC405CR_CPC0_PSR, cpc,
2429 &dcr_read_crcpc, &dcr_write_crcpc);
2430 ppc_dcr_register(env, PPC405CR_CPC0_CR0, cpc,
2431 &dcr_read_crcpc, &dcr_write_crcpc);
2432 ppc_dcr_register(env, PPC405CR_CPC0_CR1, cpc,
2433 &dcr_read_crcpc, &dcr_write_crcpc);
2434 ppc_dcr_register(env, PPC405CR_CPC0_JTAGID, cpc,
2435 &dcr_read_crcpc, &dcr_write_crcpc);
2436 ppc_dcr_register(env, PPC405CR_CPC0_PLLMR, cpc,
2437 &dcr_read_crcpc, &dcr_write_crcpc);
2438 ppc_dcr_register(env, PPC405CR_CPC0_ER, cpc,
2439 &dcr_read_crcpc, &dcr_write_crcpc);
2440 ppc_dcr_register(env, PPC405CR_CPC0_FR, cpc,
2441 &dcr_read_crcpc, &dcr_write_crcpc);
2442 ppc_dcr_register(env, PPC405CR_CPC0_SR, cpc,
2443 &dcr_read_crcpc, &dcr_write_crcpc);
2444 ppc405cr_clk_init(cpc);
2445 qemu_register_reset(ppc405cr_cpc_reset, cpc);
2446 ppc405cr_cpc_reset(cpc);
2450 CPUState *ppc405cr_init (target_ulong ram_bases[4], target_ulong ram_sizes[4],
2451 uint32_t sysclk, qemu_irq **picp,
2452 ram_addr_t *offsetp, int do_init)
2454 clk_setup_t clk_setup[PPC405CR_CLK_NB];
2455 qemu_irq dma_irqs[4];
2457 ppc4xx_mmio_t *mmio;
2458 qemu_irq *pic, *irqs;
2462 memset(clk_setup, 0, sizeof(clk_setup));
2463 env = ppc405_init("405cr", &clk_setup[PPC405CR_CPU_CLK],
2464 &clk_setup[PPC405CR_TMR_CLK], sysclk);
2465 /* Memory mapped devices registers */
2466 mmio = ppc4xx_mmio_init(env, 0xEF600000);
2468 ppc4xx_plb_init(env);
2469 /* PLB to OPB bridge */
2470 ppc4xx_pob_init(env);
2472 ppc4xx_opba_init(env, mmio, 0x600);
2473 /* Universal interrupt controller */
2474 irqs = qemu_mallocz(sizeof(qemu_irq) * PPCUIC_OUTPUT_NB);
2475 irqs[PPCUIC_OUTPUT_INT] =
2476 ((qemu_irq *)env->irq_inputs)[PPC405_INPUT_INT];
2477 irqs[PPCUIC_OUTPUT_CINT] =
2478 ((qemu_irq *)env->irq_inputs)[PPC405_INPUT_CINT];
2479 pic = ppcuic_init(env, irqs, 0x0C0, 0, 1);
2481 /* SDRAM controller */
2482 ppc405_sdram_init(env, pic[14], 1, ram_bases, ram_sizes, do_init);
2484 for (i = 0; i < 4; i++)
2485 offset += ram_sizes[i];
2486 /* External bus controller */
2487 ppc405_ebc_init(env);
2488 /* DMA controller */
2489 dma_irqs[0] = pic[26];
2490 dma_irqs[1] = pic[25];
2491 dma_irqs[2] = pic[24];
2492 dma_irqs[3] = pic[23];
2493 ppc405_dma_init(env, dma_irqs);
2495 if (serial_hds[0] != NULL) {
2496 ppc405_serial_init(env, mmio, 0x300, pic[31], serial_hds[0]);
2498 if (serial_hds[1] != NULL) {
2499 ppc405_serial_init(env, mmio, 0x400, pic[30], serial_hds[1]);
2501 /* IIC controller */
2502 ppc405_i2c_init(env, mmio, 0x500);
2504 ppc405_gpio_init(env, mmio, 0x700);
2506 ppc405cr_cpc_init(env, clk_setup, sysclk);
2512 /*****************************************************************************/
2516 PPC405EP_CPC0_PLLMR0 = 0x0F0,
2517 PPC405EP_CPC0_BOOT = 0x0F1,
2518 PPC405EP_CPC0_EPCTL = 0x0F3,
2519 PPC405EP_CPC0_PLLMR1 = 0x0F4,
2520 PPC405EP_CPC0_UCR = 0x0F5,
2521 PPC405EP_CPC0_SRR = 0x0F6,
2522 PPC405EP_CPC0_JTAGID = 0x0F7,
2523 PPC405EP_CPC0_PCI = 0x0F9,
2527 PPC405EP_CPU_CLK = 0,
2528 PPC405EP_PLB_CLK = 1,
2529 PPC405EP_OPB_CLK = 2,
2530 PPC405EP_EBC_CLK = 3,
2531 PPC405EP_MAL_CLK = 4,
2532 PPC405EP_PCI_CLK = 5,
2533 PPC405EP_UART0_CLK = 6,
2534 PPC405EP_UART1_CLK = 7,
2535 PPC405EP_CLK_NB = 8,
2538 typedef struct ppc405ep_cpc_t ppc405ep_cpc_t;
2539 struct ppc405ep_cpc_t {
2541 clk_setup_t clk_setup[PPC405EP_CLK_NB];
2551 static void ppc405ep_compute_clocks (ppc405ep_cpc_t *cpc)
2553 uint32_t CPU_clk, PLB_clk, OPB_clk, EBC_clk, MAL_clk, PCI_clk;
2554 uint32_t UART0_clk, UART1_clk;
2555 uint64_t VCO_out, PLL_out;
2559 if ((cpc->pllmr[1] & 0x80000000) && !(cpc->pllmr[1] & 0x40000000)) {
2560 M = (((cpc->pllmr[1] >> 20) - 1) & 0xF) + 1; /* FBMUL */
2561 // printf("FBMUL %01x %d\n", (cpc->pllmr[1] >> 20) & 0xF, M);
2562 D = 8 - ((cpc->pllmr[1] >> 16) & 0x7); /* FWDA */
2563 // printf("FWDA %01x %d\n", (cpc->pllmr[1] >> 16) & 0x7, D);
2564 VCO_out = cpc->sysclk * M * D;
2565 if (VCO_out < 500000000UL || VCO_out > 1000000000UL) {
2566 /* Error - unlock the PLL */
2567 printf("VCO out of range %" PRIu64 "\n", VCO_out);
2569 cpc->pllmr[1] &= ~0x80000000;
2573 PLL_out = VCO_out / D;
2578 PLL_out = cpc->sysclk;
2580 /* Now, compute all other clocks */
2581 D = ((cpc->pllmr[0] >> 20) & 0x3) + 1; /* CCDV */
2583 // printf("CCDV %01x %d\n", (cpc->pllmr[0] >> 20) & 0x3, D);
2585 CPU_clk = PLL_out / D;
2586 D = ((cpc->pllmr[0] >> 16) & 0x3) + 1; /* CBDV */
2588 // printf("CBDV %01x %d\n", (cpc->pllmr[0] >> 16) & 0x3, D);
2590 PLB_clk = CPU_clk / D;
2591 D = ((cpc->pllmr[0] >> 12) & 0x3) + 1; /* OPDV */
2593 // printf("OPDV %01x %d\n", (cpc->pllmr[0] >> 12) & 0x3, D);
2595 OPB_clk = PLB_clk / D;
2596 D = ((cpc->pllmr[0] >> 8) & 0x3) + 2; /* EPDV */
2598 // printf("EPDV %01x %d\n", (cpc->pllmr[0] >> 8) & 0x3, D);
2600 EBC_clk = PLB_clk / D;
2601 D = ((cpc->pllmr[0] >> 4) & 0x3) + 1; /* MPDV */
2603 // printf("MPDV %01x %d\n", (cpc->pllmr[0] >> 4) & 0x3, D);
2605 MAL_clk = PLB_clk / D;
2606 D = (cpc->pllmr[0] & 0x3) + 1; /* PPDV */
2608 // printf("PPDV %01x %d\n", cpc->pllmr[0] & 0x3, D);
2610 PCI_clk = PLB_clk / D;
2611 D = ((cpc->ucr - 1) & 0x7F) + 1; /* U0DIV */
2613 // printf("U0DIV %01x %d\n", cpc->ucr & 0x7F, D);
2615 UART0_clk = PLL_out / D;
2616 D = (((cpc->ucr >> 8) - 1) & 0x7F) + 1; /* U1DIV */
2618 // printf("U1DIV %01x %d\n", (cpc->ucr >> 8) & 0x7F, D);
2620 UART1_clk = PLL_out / D;
2622 printf("Setup PPC405EP clocks - sysclk %d VCO %" PRIu64
2623 " PLL out %" PRIu64 " Hz\n", cpc->sysclk, VCO_out, PLL_out);
2624 printf("CPU %d PLB %d OPB %d EBC %d MAL %d PCI %d UART0 %d UART1 %d\n",
2625 CPU_clk, PLB_clk, OPB_clk, EBC_clk, MAL_clk, PCI_clk,
2626 UART0_clk, UART1_clk);
2628 /* Setup CPU clocks */
2629 clk_setup(&cpc->clk_setup[PPC405EP_CPU_CLK], CPU_clk);
2630 /* Setup PLB clock */
2631 clk_setup(&cpc->clk_setup[PPC405EP_PLB_CLK], PLB_clk);
2632 /* Setup OPB clock */
2633 clk_setup(&cpc->clk_setup[PPC405EP_OPB_CLK], OPB_clk);
2634 /* Setup external clock */
2635 clk_setup(&cpc->clk_setup[PPC405EP_EBC_CLK], EBC_clk);
2636 /* Setup MAL clock */
2637 clk_setup(&cpc->clk_setup[PPC405EP_MAL_CLK], MAL_clk);
2638 /* Setup PCI clock */
2639 clk_setup(&cpc->clk_setup[PPC405EP_PCI_CLK], PCI_clk);
2640 /* Setup UART0 clock */
2641 clk_setup(&cpc->clk_setup[PPC405EP_UART0_CLK], UART0_clk);
2642 /* Setup UART1 clock */
2643 clk_setup(&cpc->clk_setup[PPC405EP_UART1_CLK], UART1_clk);
2646 static target_ulong dcr_read_epcpc (void *opaque, int dcrn)
2648 ppc405ep_cpc_t *cpc;
2653 case PPC405EP_CPC0_BOOT:
2656 case PPC405EP_CPC0_EPCTL:
2659 case PPC405EP_CPC0_PLLMR0:
2660 ret = cpc->pllmr[0];
2662 case PPC405EP_CPC0_PLLMR1:
2663 ret = cpc->pllmr[1];
2665 case PPC405EP_CPC0_UCR:
2668 case PPC405EP_CPC0_SRR:
2671 case PPC405EP_CPC0_JTAGID:
2674 case PPC405EP_CPC0_PCI:
2678 /* Avoid gcc warning */
2686 static void dcr_write_epcpc (void *opaque, int dcrn, target_ulong val)
2688 ppc405ep_cpc_t *cpc;
2692 case PPC405EP_CPC0_BOOT:
2693 /* Read-only register */
2695 case PPC405EP_CPC0_EPCTL:
2696 /* Don't care for now */
2697 cpc->epctl = val & 0xC00000F3;
2699 case PPC405EP_CPC0_PLLMR0:
2700 cpc->pllmr[0] = val & 0x00633333;
2701 ppc405ep_compute_clocks(cpc);
2703 case PPC405EP_CPC0_PLLMR1:
2704 cpc->pllmr[1] = val & 0xC0F73FFF;
2705 ppc405ep_compute_clocks(cpc);
2707 case PPC405EP_CPC0_UCR:
2708 /* UART control - don't care for now */
2709 cpc->ucr = val & 0x003F7F7F;
2711 case PPC405EP_CPC0_SRR:
2714 case PPC405EP_CPC0_JTAGID:
2717 case PPC405EP_CPC0_PCI:
2723 static void ppc405ep_cpc_reset (void *opaque)
2725 ppc405ep_cpc_t *cpc = opaque;
2727 cpc->boot = 0x00000010; /* Boot from PCI - IIC EEPROM disabled */
2728 cpc->epctl = 0x00000000;
2729 cpc->pllmr[0] = 0x00011010;
2730 cpc->pllmr[1] = 0x40000000;
2731 cpc->ucr = 0x00000000;
2732 cpc->srr = 0x00040000;
2733 cpc->pci = 0x00000000;
2734 ppc405ep_compute_clocks(cpc);
2737 /* XXX: sysclk should be between 25 and 100 MHz */
2738 static void ppc405ep_cpc_init (CPUState *env, clk_setup_t clk_setup[8],
2741 ppc405ep_cpc_t *cpc;
2743 cpc = qemu_mallocz(sizeof(ppc405ep_cpc_t));
2745 memcpy(cpc->clk_setup, clk_setup,
2746 PPC405EP_CLK_NB * sizeof(clk_setup_t));
2747 cpc->jtagid = 0x20267049;
2748 cpc->sysclk = sysclk;
2749 ppc405ep_cpc_reset(cpc);
2750 qemu_register_reset(&ppc405ep_cpc_reset, cpc);
2751 ppc_dcr_register(env, PPC405EP_CPC0_BOOT, cpc,
2752 &dcr_read_epcpc, &dcr_write_epcpc);
2753 ppc_dcr_register(env, PPC405EP_CPC0_EPCTL, cpc,
2754 &dcr_read_epcpc, &dcr_write_epcpc);
2755 ppc_dcr_register(env, PPC405EP_CPC0_PLLMR0, cpc,
2756 &dcr_read_epcpc, &dcr_write_epcpc);
2757 ppc_dcr_register(env, PPC405EP_CPC0_PLLMR1, cpc,
2758 &dcr_read_epcpc, &dcr_write_epcpc);
2759 ppc_dcr_register(env, PPC405EP_CPC0_UCR, cpc,
2760 &dcr_read_epcpc, &dcr_write_epcpc);
2761 ppc_dcr_register(env, PPC405EP_CPC0_SRR, cpc,
2762 &dcr_read_epcpc, &dcr_write_epcpc);
2763 ppc_dcr_register(env, PPC405EP_CPC0_JTAGID, cpc,
2764 &dcr_read_epcpc, &dcr_write_epcpc);
2765 ppc_dcr_register(env, PPC405EP_CPC0_PCI, cpc,
2766 &dcr_read_epcpc, &dcr_write_epcpc);
2770 CPUState *ppc405ep_init (target_ulong ram_bases[2], target_ulong ram_sizes[2],
2771 uint32_t sysclk, qemu_irq **picp,
2772 ram_addr_t *offsetp, int do_init)
2774 clk_setup_t clk_setup[PPC405EP_CLK_NB];
2775 qemu_irq dma_irqs[4];
2777 ppc4xx_mmio_t *mmio;
2778 qemu_irq *pic, *irqs;
2782 memset(clk_setup, 0, sizeof(clk_setup));
2784 env = ppc405_init("405ep", &clk_setup[PPC405EP_CPU_CLK],
2785 &clk_setup[PPC405EP_PLB_CLK], sysclk);
2786 /* Internal devices init */
2787 /* Memory mapped devices registers */
2788 mmio = ppc4xx_mmio_init(env, 0xEF600000);
2790 ppc4xx_plb_init(env);
2791 /* PLB to OPB bridge */
2792 ppc4xx_pob_init(env);
2794 ppc4xx_opba_init(env, mmio, 0x600);
2795 /* Universal interrupt controller */
2796 irqs = qemu_mallocz(sizeof(qemu_irq) * PPCUIC_OUTPUT_NB);
2797 irqs[PPCUIC_OUTPUT_INT] =
2798 ((qemu_irq *)env->irq_inputs)[PPC405_INPUT_INT];
2799 irqs[PPCUIC_OUTPUT_CINT] =
2800 ((qemu_irq *)env->irq_inputs)[PPC405_INPUT_CINT];
2801 pic = ppcuic_init(env, irqs, 0x0C0, 0, 1);
2803 /* SDRAM controller */
2804 ppc405_sdram_init(env, pic[14], 2, ram_bases, ram_sizes, do_init);
2806 for (i = 0; i < 2; i++)
2807 offset += ram_sizes[i];
2808 /* External bus controller */
2809 ppc405_ebc_init(env);
2810 /* DMA controller */
2811 dma_irqs[0] = pic[26];
2812 dma_irqs[1] = pic[25];
2813 dma_irqs[2] = pic[24];
2814 dma_irqs[3] = pic[23];
2815 ppc405_dma_init(env, dma_irqs);
2816 /* IIC controller */
2817 ppc405_i2c_init(env, mmio, 0x500);
2819 ppc405_gpio_init(env, mmio, 0x700);
2821 if (serial_hds[0] != NULL) {
2822 ppc405_serial_init(env, mmio, 0x300, pic[31], serial_hds[0]);
2824 if (serial_hds[1] != NULL) {
2825 ppc405_serial_init(env, mmio, 0x400, pic[30], serial_hds[1]);
2828 ppc405_ocm_init(env, ram_sizes[0] + ram_sizes[1]);
2832 ppc405ep_cpc_init(env, clk_setup, sysclk);