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
41 //#define DEBUG_UNASSIGNED
43 /*****************************************************************************/
44 /* Generic PowerPC 405 processor instanciation */
45 CPUState *ppc405_init (const unsigned char *cpu_model,
46 clk_setup_t *cpu_clk, clk_setup_t *tb_clk,
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);
61 cpu_clk->cb = NULL; /* We don't care about CPU clock frequency changes */
62 cpu_clk->opaque = env;
63 /* Set time-base frequency to sysclk */
64 tb_clk->cb = ppc_emb_timers_init(env, sysclk);
66 ppc_dcr_init(env, NULL, NULL);
67 /* Register Qemu callbacks */
68 qemu_register_reset(&cpu_ppc_reset, env);
69 register_savevm("cpu", 0, 3, cpu_save, cpu_load, env);
74 ram_addr_t ppc405_set_bootinfo (CPUState *env, ppc4xx_bd_info_t *bd,
80 /* We put the bd structure at the top of memory */
81 if (bd->bi_memsize >= 0x01000000UL)
82 bdloc = 0x01000000UL - sizeof(struct ppc4xx_bd_info_t);
84 bdloc = bd->bi_memsize - sizeof(struct ppc4xx_bd_info_t);
85 stl_raw(phys_ram_base + bdloc + 0x00, bd->bi_memstart);
86 stl_raw(phys_ram_base + bdloc + 0x04, bd->bi_memsize);
87 stl_raw(phys_ram_base + bdloc + 0x08, bd->bi_flashstart);
88 stl_raw(phys_ram_base + bdloc + 0x0C, bd->bi_flashsize);
89 stl_raw(phys_ram_base + bdloc + 0x10, bd->bi_flashoffset);
90 stl_raw(phys_ram_base + bdloc + 0x14, bd->bi_sramstart);
91 stl_raw(phys_ram_base + bdloc + 0x18, bd->bi_sramsize);
92 stl_raw(phys_ram_base + bdloc + 0x1C, bd->bi_bootflags);
93 stl_raw(phys_ram_base + bdloc + 0x20, bd->bi_ipaddr);
94 for (i = 0; i < 6; i++)
95 stb_raw(phys_ram_base + bdloc + 0x24 + i, bd->bi_enetaddr[i]);
96 stw_raw(phys_ram_base + bdloc + 0x2A, bd->bi_ethspeed);
97 stl_raw(phys_ram_base + bdloc + 0x2C, bd->bi_intfreq);
98 stl_raw(phys_ram_base + bdloc + 0x30, bd->bi_busfreq);
99 stl_raw(phys_ram_base + bdloc + 0x34, bd->bi_baudrate);
100 for (i = 0; i < 4; i++)
101 stb_raw(phys_ram_base + bdloc + 0x38 + i, bd->bi_s_version[i]);
102 for (i = 0; i < 32; i++)
103 stb_raw(phys_ram_base + bdloc + 0x3C + i, bd->bi_s_version[i]);
104 stl_raw(phys_ram_base + bdloc + 0x5C, bd->bi_plb_busfreq);
105 stl_raw(phys_ram_base + bdloc + 0x60, bd->bi_pci_busfreq);
106 for (i = 0; i < 6; i++)
107 stb_raw(phys_ram_base + bdloc + 0x64 + i, bd->bi_pci_enetaddr[i]);
109 if (flags & 0x00000001) {
110 for (i = 0; i < 6; i++)
111 stb_raw(phys_ram_base + bdloc + n++, bd->bi_pci_enetaddr2[i]);
113 stl_raw(phys_ram_base + bdloc + n, bd->bi_opbfreq);
115 for (i = 0; i < 2; i++) {
116 stl_raw(phys_ram_base + bdloc + n, bd->bi_iic_fast[i]);
123 /*****************************************************************************/
124 /* Shared peripherals */
126 /*****************************************************************************/
127 /* Fake device used to map multiple devices in a single memory page */
128 #define MMIO_AREA_BITS 8
129 #define MMIO_AREA_LEN (1 << MMIO_AREA_BITS)
130 #define MMIO_AREA_NB (1 << (TARGET_PAGE_BITS - MMIO_AREA_BITS))
131 #define MMIO_IDX(addr) (((addr) >> MMIO_AREA_BITS) & (MMIO_AREA_NB - 1))
132 struct ppc4xx_mmio_t {
133 target_phys_addr_t base;
134 CPUReadMemoryFunc **mem_read[MMIO_AREA_NB];
135 CPUWriteMemoryFunc **mem_write[MMIO_AREA_NB];
136 void *opaque[MMIO_AREA_NB];
139 static uint32_t unassigned_mmio_readb (void *opaque, target_phys_addr_t addr)
141 #ifdef DEBUG_UNASSIGNED
145 printf("Unassigned mmio read 0x" PADDRX " base " PADDRX "\n",
152 static void unassigned_mmio_writeb (void *opaque,
153 target_phys_addr_t addr, uint32_t val)
155 #ifdef DEBUG_UNASSIGNED
159 printf("Unassigned mmio write 0x" PADDRX " = 0x%x base " PADDRX "\n",
160 addr, val, mmio->base);
164 static CPUReadMemoryFunc *unassigned_mmio_read[3] = {
165 unassigned_mmio_readb,
166 unassigned_mmio_readb,
167 unassigned_mmio_readb,
170 static CPUWriteMemoryFunc *unassigned_mmio_write[3] = {
171 unassigned_mmio_writeb,
172 unassigned_mmio_writeb,
173 unassigned_mmio_writeb,
176 static uint32_t mmio_readlen (ppc4xx_mmio_t *mmio,
177 target_phys_addr_t addr, int len)
179 CPUReadMemoryFunc **mem_read;
183 idx = MMIO_IDX(addr - mmio->base);
184 #if defined(DEBUG_MMIO)
185 printf("%s: mmio %p len %d addr " PADDRX " idx %d\n", __func__,
186 mmio, len, addr, idx);
188 mem_read = mmio->mem_read[idx];
189 ret = (*mem_read[len])(mmio->opaque[idx], addr - mmio->base);
194 static void mmio_writelen (ppc4xx_mmio_t *mmio,
195 target_phys_addr_t addr, uint32_t value, int len)
197 CPUWriteMemoryFunc **mem_write;
200 idx = MMIO_IDX(addr - mmio->base);
201 #if defined(DEBUG_MMIO)
202 printf("%s: mmio %p len %d addr " PADDRX " idx %d value %08x\n", __func__,
203 mmio, len, addr, idx, value);
205 mem_write = mmio->mem_write[idx];
206 (*mem_write[len])(mmio->opaque[idx], addr - mmio->base, value);
209 static uint32_t mmio_readb (void *opaque, target_phys_addr_t addr)
211 #if defined(DEBUG_MMIO)
212 printf("%s: addr " PADDRX "\n", __func__, addr);
215 return mmio_readlen(opaque, addr, 0);
218 static void mmio_writeb (void *opaque,
219 target_phys_addr_t addr, uint32_t value)
221 #if defined(DEBUG_MMIO)
222 printf("%s: addr " PADDRX " val %08x\n", __func__, addr, value);
224 mmio_writelen(opaque, addr, value, 0);
227 static uint32_t mmio_readw (void *opaque, target_phys_addr_t addr)
229 #if defined(DEBUG_MMIO)
230 printf("%s: addr " PADDRX "\n", __func__, addr);
233 return mmio_readlen(opaque, addr, 1);
236 static void mmio_writew (void *opaque,
237 target_phys_addr_t addr, uint32_t value)
239 #if defined(DEBUG_MMIO)
240 printf("%s: addr " PADDRX " val %08x\n", __func__, addr, value);
242 mmio_writelen(opaque, addr, value, 1);
245 static uint32_t mmio_readl (void *opaque, target_phys_addr_t addr)
247 #if defined(DEBUG_MMIO)
248 printf("%s: addr " PADDRX "\n", __func__, addr);
251 return mmio_readlen(opaque, addr, 2);
254 static void mmio_writel (void *opaque,
255 target_phys_addr_t addr, uint32_t value)
257 #if defined(DEBUG_MMIO)
258 printf("%s: addr " PADDRX " val %08x\n", __func__, addr, value);
260 mmio_writelen(opaque, addr, value, 2);
263 static CPUReadMemoryFunc *mmio_read[] = {
269 static CPUWriteMemoryFunc *mmio_write[] = {
275 int ppc4xx_mmio_register (CPUState *env, ppc4xx_mmio_t *mmio,
276 target_phys_addr_t offset, uint32_t len,
277 CPUReadMemoryFunc **mem_read,
278 CPUWriteMemoryFunc **mem_write, void *opaque)
283 if ((offset + len) > TARGET_PAGE_SIZE)
285 idx = MMIO_IDX(offset);
286 end = offset + len - 1;
287 eidx = MMIO_IDX(end);
288 #if defined(DEBUG_MMIO)
289 printf("%s: offset %08x len %08x %08x %d %d\n", __func__, offset, len,
292 for (; idx <= eidx; idx++) {
293 mmio->mem_read[idx] = mem_read;
294 mmio->mem_write[idx] = mem_write;
295 mmio->opaque[idx] = opaque;
301 ppc4xx_mmio_t *ppc4xx_mmio_init (CPUState *env, target_phys_addr_t base)
306 mmio = qemu_mallocz(sizeof(ppc4xx_mmio_t));
309 mmio_memory = cpu_register_io_memory(0, mmio_read, mmio_write, mmio);
310 #if defined(DEBUG_MMIO)
311 printf("%s: %p base %08x len %08x %d\n", __func__,
312 mmio, base, TARGET_PAGE_SIZE, mmio_memory);
314 cpu_register_physical_memory(base, TARGET_PAGE_SIZE, mmio_memory);
315 ppc4xx_mmio_register(env, mmio, 0, TARGET_PAGE_SIZE,
316 unassigned_mmio_read, unassigned_mmio_write,
323 /*****************************************************************************/
324 /* Peripheral local bus arbitrer */
331 typedef struct ppc4xx_plb_t ppc4xx_plb_t;
332 struct ppc4xx_plb_t {
338 static target_ulong dcr_read_plb (void *opaque, int dcrn)
355 /* Avoid gcc warning */
363 static void dcr_write_plb (void *opaque, int dcrn, target_ulong val)
370 /* We don't care about the actual parameters written as
371 * we don't manage any priorities on the bus
373 plb->acr = val & 0xF8000000;
385 static void ppc4xx_plb_reset (void *opaque)
390 plb->acr = 0x00000000;
391 plb->bear = 0x00000000;
392 plb->besr = 0x00000000;
395 void ppc4xx_plb_init (CPUState *env)
399 plb = qemu_mallocz(sizeof(ppc4xx_plb_t));
401 ppc_dcr_register(env, PLB0_ACR, plb, &dcr_read_plb, &dcr_write_plb);
402 ppc_dcr_register(env, PLB0_BEAR, plb, &dcr_read_plb, &dcr_write_plb);
403 ppc_dcr_register(env, PLB0_BESR, plb, &dcr_read_plb, &dcr_write_plb);
404 ppc4xx_plb_reset(plb);
405 qemu_register_reset(ppc4xx_plb_reset, plb);
409 /*****************************************************************************/
410 /* PLB to OPB bridge */
417 typedef struct ppc4xx_pob_t ppc4xx_pob_t;
418 struct ppc4xx_pob_t {
423 static target_ulong dcr_read_pob (void *opaque, int dcrn)
435 ret = pob->besr[dcrn - POB0_BESR0];
438 /* Avoid gcc warning */
446 static void dcr_write_pob (void *opaque, int dcrn, target_ulong val)
458 pob->besr[dcrn - POB0_BESR0] &= ~val;
463 static void ppc4xx_pob_reset (void *opaque)
469 pob->bear = 0x00000000;
470 pob->besr[0] = 0x0000000;
471 pob->besr[1] = 0x0000000;
474 void ppc4xx_pob_init (CPUState *env)
478 pob = qemu_mallocz(sizeof(ppc4xx_pob_t));
480 ppc_dcr_register(env, POB0_BEAR, pob, &dcr_read_pob, &dcr_write_pob);
481 ppc_dcr_register(env, POB0_BESR0, pob, &dcr_read_pob, &dcr_write_pob);
482 ppc_dcr_register(env, POB0_BESR1, pob, &dcr_read_pob, &dcr_write_pob);
483 qemu_register_reset(ppc4xx_pob_reset, pob);
484 ppc4xx_pob_reset(env);
488 /*****************************************************************************/
490 typedef struct ppc4xx_opba_t ppc4xx_opba_t;
491 struct ppc4xx_opba_t {
492 target_phys_addr_t base;
497 static uint32_t opba_readb (void *opaque, target_phys_addr_t addr)
503 printf("%s: addr " PADDRX "\n", __func__, addr);
506 switch (addr - opba->base) {
521 static void opba_writeb (void *opaque,
522 target_phys_addr_t addr, uint32_t value)
527 printf("%s: addr " PADDRX " val %08x\n", __func__, addr, value);
530 switch (addr - opba->base) {
532 opba->cr = value & 0xF8;
535 opba->pr = value & 0xFF;
542 static uint32_t opba_readw (void *opaque, target_phys_addr_t addr)
547 printf("%s: addr " PADDRX "\n", __func__, addr);
549 ret = opba_readb(opaque, addr) << 8;
550 ret |= opba_readb(opaque, addr + 1);
555 static void opba_writew (void *opaque,
556 target_phys_addr_t addr, uint32_t value)
559 printf("%s: addr " PADDRX " val %08x\n", __func__, addr, value);
561 opba_writeb(opaque, addr, value >> 8);
562 opba_writeb(opaque, addr + 1, value);
565 static uint32_t opba_readl (void *opaque, target_phys_addr_t addr)
570 printf("%s: addr " PADDRX "\n", __func__, addr);
572 ret = opba_readb(opaque, addr) << 24;
573 ret |= opba_readb(opaque, addr + 1) << 16;
578 static void opba_writel (void *opaque,
579 target_phys_addr_t addr, uint32_t value)
582 printf("%s: addr " PADDRX " val %08x\n", __func__, addr, value);
584 opba_writeb(opaque, addr, value >> 24);
585 opba_writeb(opaque, addr + 1, value >> 16);
588 static CPUReadMemoryFunc *opba_read[] = {
594 static CPUWriteMemoryFunc *opba_write[] = {
600 static void ppc4xx_opba_reset (void *opaque)
605 opba->cr = 0x00; /* No dynamic priorities - park disabled */
609 void ppc4xx_opba_init (CPUState *env, ppc4xx_mmio_t *mmio,
610 target_phys_addr_t offset)
614 opba = qemu_mallocz(sizeof(ppc4xx_opba_t));
618 printf("%s: offset=" PADDRX "\n", __func__, offset);
620 ppc4xx_mmio_register(env, mmio, offset, 0x002,
621 opba_read, opba_write, opba);
622 qemu_register_reset(ppc4xx_opba_reset, opba);
623 ppc4xx_opba_reset(opba);
627 /*****************************************************************************/
628 /* "Universal" Interrupt controller */
642 #define UIC_MAX_IRQ 32
643 typedef struct ppcuic_t ppcuic_t;
647 uint32_t uicsr; /* Status register */
648 uint32_t uicer; /* Enable register */
649 uint32_t uiccr; /* Critical register */
650 uint32_t uicpr; /* Polarity register */
651 uint32_t uictr; /* Triggering register */
652 uint32_t uicvcr; /* Vector configuration register */
657 static void ppcuic_trigger_irq (ppcuic_t *uic)
660 int start, end, inc, i;
662 /* Trigger interrupt if any is pending */
663 ir = uic->uicsr & uic->uicer & (~uic->uiccr);
664 cr = uic->uicsr & uic->uicer & uic->uiccr;
666 if (loglevel & CPU_LOG_INT) {
667 fprintf(logfile, "%s: uicsr %08x uicer %08x uiccr %08x\n"
668 " %08x ir %08x cr %08x\n", __func__,
669 uic->uicsr, uic->uicer, uic->uiccr,
670 uic->uicsr & uic->uicer, ir, cr);
673 if (ir != 0x0000000) {
675 if (loglevel & CPU_LOG_INT) {
676 fprintf(logfile, "Raise UIC interrupt\n");
679 qemu_irq_raise(uic->irqs[PPCUIC_OUTPUT_INT]);
682 if (loglevel & CPU_LOG_INT) {
683 fprintf(logfile, "Lower UIC interrupt\n");
686 qemu_irq_lower(uic->irqs[PPCUIC_OUTPUT_INT]);
688 /* Trigger critical interrupt if any is pending and update vector */
689 if (cr != 0x0000000) {
690 qemu_irq_raise(uic->irqs[PPCUIC_OUTPUT_CINT]);
691 if (uic->use_vectors) {
692 /* Compute critical IRQ vector */
693 if (uic->uicvcr & 1) {
702 uic->uicvr = uic->uicvcr & 0xFFFFFFFC;
703 for (i = start; i <= end; i += inc) {
705 uic->uicvr += (i - start) * 512 * inc;
711 if (loglevel & CPU_LOG_INT) {
712 fprintf(logfile, "Raise UIC critical interrupt - vector %08x\n",
718 if (loglevel & CPU_LOG_INT) {
719 fprintf(logfile, "Lower UIC critical interrupt\n");
722 qemu_irq_lower(uic->irqs[PPCUIC_OUTPUT_CINT]);
723 uic->uicvr = 0x00000000;
727 static void ppcuic_set_irq (void *opaque, int irq_num, int level)
735 if (loglevel & CPU_LOG_INT) {
736 fprintf(logfile, "%s: irq %d level %d uicsr %08x mask %08x => %08x "
737 "%08x\n", __func__, irq_num, level,
738 uic->uicsr, mask, uic->uicsr & mask, level << irq_num);
741 if (irq_num < 0 || irq_num > 31)
744 if (!(uic->uicpr & mask)) {
745 /* Negatively asserted IRQ */
746 level = level == 0 ? 1 : 0;
748 /* Update status register */
749 if (uic->uictr & mask) {
750 /* Edge sensitive interrupt */
754 /* Level sensitive interrupt */
761 if (loglevel & CPU_LOG_INT) {
762 fprintf(logfile, "%s: irq %d level %d sr %08x => %08x\n", __func__,
763 irq_num, level, uic->uicsr, sr);
766 if (sr != uic->uicsr)
767 ppcuic_trigger_irq(uic);
770 static target_ulong dcr_read_uic (void *opaque, int dcrn)
776 dcrn -= uic->dcr_base;
795 ret = uic->uicsr & uic->uicer;
798 if (!uic->use_vectors)
803 if (!uic->use_vectors)
816 static void dcr_write_uic (void *opaque, int dcrn, target_ulong val)
821 dcrn -= uic->dcr_base;
823 if (loglevel & CPU_LOG_INT) {
824 fprintf(logfile, "%s: dcr %d val " ADDRX "\n", __func__, dcrn, val);
830 ppcuic_trigger_irq(uic);
834 ppcuic_trigger_irq(uic);
838 ppcuic_trigger_irq(uic);
842 ppcuic_trigger_irq(uic);
846 ppcuic_trigger_irq(uic);
850 ppcuic_trigger_irq(uic);
857 uic->uicvcr = val & 0xFFFFFFFD;
858 ppcuic_trigger_irq(uic);
863 static void ppcuic_reset (void *opaque)
868 uic->uiccr = 0x00000000;
869 uic->uicer = 0x00000000;
870 uic->uicpr = 0x00000000;
871 uic->uicsr = 0x00000000;
872 uic->uictr = 0x00000000;
873 if (uic->use_vectors) {
874 uic->uicvcr = 0x00000000;
875 uic->uicvr = 0x0000000;
879 qemu_irq *ppcuic_init (CPUState *env, qemu_irq *irqs,
880 uint32_t dcr_base, int has_ssr, int has_vr)
885 uic = qemu_mallocz(sizeof(ppcuic_t));
887 uic->dcr_base = dcr_base;
890 uic->use_vectors = 1;
891 for (i = 0; i < DCR_UICMAX; i++) {
892 ppc_dcr_register(env, dcr_base + i, uic,
893 &dcr_read_uic, &dcr_write_uic);
895 qemu_register_reset(ppcuic_reset, uic);
899 return qemu_allocate_irqs(&ppcuic_set_irq, uic, UIC_MAX_IRQ);
902 /*****************************************************************************/
903 /* Code decompression controller */
906 /*****************************************************************************/
907 /* SDRAM controller */
908 typedef struct ppc4xx_sdram_t ppc4xx_sdram_t;
909 struct ppc4xx_sdram_t {
912 target_phys_addr_t ram_bases[4];
913 target_phys_addr_t ram_sizes[4];
929 SDRAM0_CFGADDR = 0x010,
930 SDRAM0_CFGDATA = 0x011,
933 static uint32_t sdram_bcr (target_phys_addr_t ram_base,
934 target_phys_addr_t ram_size)
939 case (4 * 1024 * 1024):
942 case (8 * 1024 * 1024):
945 case (16 * 1024 * 1024):
948 case (32 * 1024 * 1024):
951 case (64 * 1024 * 1024):
954 case (128 * 1024 * 1024):
957 case (256 * 1024 * 1024):
961 printf("%s: invalid RAM size " TARGET_FMT_plx "\n",
965 bcr |= ram_base & 0xFF800000;
971 static inline target_phys_addr_t sdram_base (uint32_t bcr)
973 return bcr & 0xFF800000;
976 static target_ulong sdram_size (uint32_t bcr)
981 sh = (bcr >> 17) & 0x7;
985 size = (4 * 1024 * 1024) << sh;
990 static void sdram_set_bcr (uint32_t *bcrp, uint32_t bcr, int enabled)
992 if (*bcrp & 0x00000001) {
995 printf("%s: unmap RAM area " TARGET_FMT_plx " " TARGET_FMT_lx "\n",
996 __func__, sdram_base(*bcrp), sdram_size(*bcrp));
998 cpu_register_physical_memory(sdram_base(*bcrp), sdram_size(*bcrp),
1001 *bcrp = bcr & 0xFFDEE001;
1002 if (enabled && (bcr & 0x00000001)) {
1004 printf("%s: Map RAM area " TARGET_FMT_plx " " TARGET_FMT_lx "\n",
1005 __func__, sdram_base(bcr), sdram_size(bcr));
1007 cpu_register_physical_memory(sdram_base(bcr), sdram_size(bcr),
1008 sdram_base(bcr) | IO_MEM_RAM);
1012 static void sdram_map_bcr (ppc4xx_sdram_t *sdram)
1016 for (i = 0; i < sdram->nbanks; i++) {
1017 if (sdram->ram_sizes[i] != 0) {
1018 sdram_set_bcr(&sdram->bcr[i],
1019 sdram_bcr(sdram->ram_bases[i], sdram->ram_sizes[i]),
1022 sdram_set_bcr(&sdram->bcr[i], 0x00000000, 0);
1027 static void sdram_unmap_bcr (ppc4xx_sdram_t *sdram)
1031 for (i = 0; i < sdram->nbanks; i++) {
1033 printf("%s: Unmap RAM area " TARGET_FMT_plx " " TARGET_FMT_lx "\n",
1034 __func__, sdram_base(sdram->bcr[i]), sdram_size(sdram->bcr[i]));
1036 cpu_register_physical_memory(sdram_base(sdram->bcr[i]),
1037 sdram_size(sdram->bcr[i]),
1042 static target_ulong dcr_read_sdram (void *opaque, int dcrn)
1044 ppc4xx_sdram_t *sdram;
1049 case SDRAM0_CFGADDR:
1052 case SDRAM0_CFGDATA:
1053 switch (sdram->addr) {
1054 case 0x00: /* SDRAM_BESR0 */
1057 case 0x08: /* SDRAM_BESR1 */
1060 case 0x10: /* SDRAM_BEAR */
1063 case 0x20: /* SDRAM_CFG */
1066 case 0x24: /* SDRAM_STATUS */
1067 ret = sdram->status;
1069 case 0x30: /* SDRAM_RTR */
1072 case 0x34: /* SDRAM_PMIT */
1075 case 0x40: /* SDRAM_B0CR */
1076 ret = sdram->bcr[0];
1078 case 0x44: /* SDRAM_B1CR */
1079 ret = sdram->bcr[1];
1081 case 0x48: /* SDRAM_B2CR */
1082 ret = sdram->bcr[2];
1084 case 0x4C: /* SDRAM_B3CR */
1085 ret = sdram->bcr[3];
1087 case 0x80: /* SDRAM_TR */
1090 case 0x94: /* SDRAM_ECCCFG */
1091 ret = sdram->ecccfg;
1093 case 0x98: /* SDRAM_ECCESR */
1094 ret = sdram->eccesr;
1096 default: /* Error */
1102 /* Avoid gcc warning */
1110 static void dcr_write_sdram (void *opaque, int dcrn, target_ulong val)
1112 ppc4xx_sdram_t *sdram;
1116 case SDRAM0_CFGADDR:
1119 case SDRAM0_CFGDATA:
1120 switch (sdram->addr) {
1121 case 0x00: /* SDRAM_BESR0 */
1122 sdram->besr0 &= ~val;
1124 case 0x08: /* SDRAM_BESR1 */
1125 sdram->besr1 &= ~val;
1127 case 0x10: /* SDRAM_BEAR */
1130 case 0x20: /* SDRAM_CFG */
1132 if (!(sdram->cfg & 0x80000000) && (val & 0x80000000)) {
1134 printf("%s: enable SDRAM controller\n", __func__);
1136 /* validate all RAM mappings */
1137 sdram_map_bcr(sdram);
1138 sdram->status &= ~0x80000000;
1139 } else if ((sdram->cfg & 0x80000000) && !(val & 0x80000000)) {
1141 printf("%s: disable SDRAM controller\n", __func__);
1143 /* invalidate all RAM mappings */
1144 sdram_unmap_bcr(sdram);
1145 sdram->status |= 0x80000000;
1147 if (!(sdram->cfg & 0x40000000) && (val & 0x40000000))
1148 sdram->status |= 0x40000000;
1149 else if ((sdram->cfg & 0x40000000) && !(val & 0x40000000))
1150 sdram->status &= ~0x40000000;
1153 case 0x24: /* SDRAM_STATUS */
1154 /* Read-only register */
1156 case 0x30: /* SDRAM_RTR */
1157 sdram->rtr = val & 0x3FF80000;
1159 case 0x34: /* SDRAM_PMIT */
1160 sdram->pmit = (val & 0xF8000000) | 0x07C00000;
1162 case 0x40: /* SDRAM_B0CR */
1163 sdram_set_bcr(&sdram->bcr[0], val, sdram->cfg & 0x80000000);
1165 case 0x44: /* SDRAM_B1CR */
1166 sdram_set_bcr(&sdram->bcr[1], val, sdram->cfg & 0x80000000);
1168 case 0x48: /* SDRAM_B2CR */
1169 sdram_set_bcr(&sdram->bcr[2], val, sdram->cfg & 0x80000000);
1171 case 0x4C: /* SDRAM_B3CR */
1172 sdram_set_bcr(&sdram->bcr[3], val, sdram->cfg & 0x80000000);
1174 case 0x80: /* SDRAM_TR */
1175 sdram->tr = val & 0x018FC01F;
1177 case 0x94: /* SDRAM_ECCCFG */
1178 sdram->ecccfg = val & 0x00F00000;
1180 case 0x98: /* SDRAM_ECCESR */
1182 if (sdram->eccesr == 0 && val != 0)
1183 qemu_irq_raise(sdram->irq);
1184 else if (sdram->eccesr != 0 && val == 0)
1185 qemu_irq_lower(sdram->irq);
1186 sdram->eccesr = val;
1188 default: /* Error */
1195 static void sdram_reset (void *opaque)
1197 ppc4xx_sdram_t *sdram;
1200 sdram->addr = 0x00000000;
1201 sdram->bear = 0x00000000;
1202 sdram->besr0 = 0x00000000; /* No error */
1203 sdram->besr1 = 0x00000000; /* No error */
1204 sdram->cfg = 0x00000000;
1205 sdram->ecccfg = 0x00000000; /* No ECC */
1206 sdram->eccesr = 0x00000000; /* No error */
1207 sdram->pmit = 0x07C00000;
1208 sdram->rtr = 0x05F00000;
1209 sdram->tr = 0x00854009;
1210 /* We pre-initialize RAM banks */
1211 sdram->status = 0x00000000;
1212 sdram->cfg = 0x00800000;
1213 sdram_unmap_bcr(sdram);
1216 void ppc405_sdram_init (CPUState *env, qemu_irq irq, int nbanks,
1217 target_phys_addr_t *ram_bases,
1218 target_phys_addr_t *ram_sizes,
1221 ppc4xx_sdram_t *sdram;
1223 sdram = qemu_mallocz(sizeof(ppc4xx_sdram_t));
1224 if (sdram != NULL) {
1226 sdram->nbanks = nbanks;
1227 memset(sdram->ram_bases, 0, 4 * sizeof(target_phys_addr_t));
1228 memcpy(sdram->ram_bases, ram_bases,
1229 nbanks * sizeof(target_phys_addr_t));
1230 memset(sdram->ram_sizes, 0, 4 * sizeof(target_phys_addr_t));
1231 memcpy(sdram->ram_sizes, ram_sizes,
1232 nbanks * sizeof(target_phys_addr_t));
1234 qemu_register_reset(&sdram_reset, sdram);
1235 ppc_dcr_register(env, SDRAM0_CFGADDR,
1236 sdram, &dcr_read_sdram, &dcr_write_sdram);
1237 ppc_dcr_register(env, SDRAM0_CFGDATA,
1238 sdram, &dcr_read_sdram, &dcr_write_sdram);
1240 sdram_map_bcr(sdram);
1244 /*****************************************************************************/
1245 /* Peripheral controller */
1246 typedef struct ppc4xx_ebc_t ppc4xx_ebc_t;
1247 struct ppc4xx_ebc_t {
1258 EBC0_CFGADDR = 0x012,
1259 EBC0_CFGDATA = 0x013,
1262 static target_ulong dcr_read_ebc (void *opaque, int dcrn)
1273 switch (ebc->addr) {
1274 case 0x00: /* B0CR */
1277 case 0x01: /* B1CR */
1280 case 0x02: /* B2CR */
1283 case 0x03: /* B3CR */
1286 case 0x04: /* B4CR */
1289 case 0x05: /* B5CR */
1292 case 0x06: /* B6CR */
1295 case 0x07: /* B7CR */
1298 case 0x10: /* B0AP */
1301 case 0x11: /* B1AP */
1304 case 0x12: /* B2AP */
1307 case 0x13: /* B3AP */
1310 case 0x14: /* B4AP */
1313 case 0x15: /* B5AP */
1316 case 0x16: /* B6AP */
1319 case 0x17: /* B7AP */
1322 case 0x20: /* BEAR */
1325 case 0x21: /* BESR0 */
1328 case 0x22: /* BESR1 */
1331 case 0x23: /* CFG */
1346 static void dcr_write_ebc (void *opaque, int dcrn, target_ulong val)
1356 switch (ebc->addr) {
1357 case 0x00: /* B0CR */
1359 case 0x01: /* B1CR */
1361 case 0x02: /* B2CR */
1363 case 0x03: /* B3CR */
1365 case 0x04: /* B4CR */
1367 case 0x05: /* B5CR */
1369 case 0x06: /* B6CR */
1371 case 0x07: /* B7CR */
1373 case 0x10: /* B0AP */
1375 case 0x11: /* B1AP */
1377 case 0x12: /* B2AP */
1379 case 0x13: /* B3AP */
1381 case 0x14: /* B4AP */
1383 case 0x15: /* B5AP */
1385 case 0x16: /* B6AP */
1387 case 0x17: /* B7AP */
1389 case 0x20: /* BEAR */
1391 case 0x21: /* BESR0 */
1393 case 0x22: /* BESR1 */
1395 case 0x23: /* CFG */
1406 static void ebc_reset (void *opaque)
1412 ebc->addr = 0x00000000;
1413 ebc->bap[0] = 0x7F8FFE80;
1414 ebc->bcr[0] = 0xFFE28000;
1415 for (i = 0; i < 8; i++) {
1416 ebc->bap[i] = 0x00000000;
1417 ebc->bcr[i] = 0x00000000;
1419 ebc->besr0 = 0x00000000;
1420 ebc->besr1 = 0x00000000;
1421 ebc->cfg = 0x80400000;
1424 void ppc405_ebc_init (CPUState *env)
1428 ebc = qemu_mallocz(sizeof(ppc4xx_ebc_t));
1431 qemu_register_reset(&ebc_reset, ebc);
1432 ppc_dcr_register(env, EBC0_CFGADDR,
1433 ebc, &dcr_read_ebc, &dcr_write_ebc);
1434 ppc_dcr_register(env, EBC0_CFGDATA,
1435 ebc, &dcr_read_ebc, &dcr_write_ebc);
1439 /*****************************************************************************/
1440 /* DMA controller */
1468 typedef struct ppc405_dma_t ppc405_dma_t;
1469 struct ppc405_dma_t {
1482 static target_ulong dcr_read_dma (void *opaque, int dcrn)
1491 static void dcr_write_dma (void *opaque, int dcrn, target_ulong val)
1498 static void ppc405_dma_reset (void *opaque)
1504 for (i = 0; i < 4; i++) {
1505 dma->cr[i] = 0x00000000;
1506 dma->ct[i] = 0x00000000;
1507 dma->da[i] = 0x00000000;
1508 dma->sa[i] = 0x00000000;
1509 dma->sg[i] = 0x00000000;
1511 dma->sr = 0x00000000;
1512 dma->sgc = 0x00000000;
1513 dma->slp = 0x7C000000;
1514 dma->pol = 0x00000000;
1517 void ppc405_dma_init (CPUState *env, qemu_irq irqs[4])
1521 dma = qemu_mallocz(sizeof(ppc405_dma_t));
1523 memcpy(dma->irqs, irqs, 4 * sizeof(qemu_irq));
1524 ppc405_dma_reset(dma);
1525 qemu_register_reset(&ppc405_dma_reset, dma);
1526 ppc_dcr_register(env, DMA0_CR0,
1527 dma, &dcr_read_dma, &dcr_write_dma);
1528 ppc_dcr_register(env, DMA0_CT0,
1529 dma, &dcr_read_dma, &dcr_write_dma);
1530 ppc_dcr_register(env, DMA0_DA0,
1531 dma, &dcr_read_dma, &dcr_write_dma);
1532 ppc_dcr_register(env, DMA0_SA0,
1533 dma, &dcr_read_dma, &dcr_write_dma);
1534 ppc_dcr_register(env, DMA0_SG0,
1535 dma, &dcr_read_dma, &dcr_write_dma);
1536 ppc_dcr_register(env, DMA0_CR1,
1537 dma, &dcr_read_dma, &dcr_write_dma);
1538 ppc_dcr_register(env, DMA0_CT1,
1539 dma, &dcr_read_dma, &dcr_write_dma);
1540 ppc_dcr_register(env, DMA0_DA1,
1541 dma, &dcr_read_dma, &dcr_write_dma);
1542 ppc_dcr_register(env, DMA0_SA1,
1543 dma, &dcr_read_dma, &dcr_write_dma);
1544 ppc_dcr_register(env, DMA0_SG1,
1545 dma, &dcr_read_dma, &dcr_write_dma);
1546 ppc_dcr_register(env, DMA0_CR2,
1547 dma, &dcr_read_dma, &dcr_write_dma);
1548 ppc_dcr_register(env, DMA0_CT2,
1549 dma, &dcr_read_dma, &dcr_write_dma);
1550 ppc_dcr_register(env, DMA0_DA2,
1551 dma, &dcr_read_dma, &dcr_write_dma);
1552 ppc_dcr_register(env, DMA0_SA2,
1553 dma, &dcr_read_dma, &dcr_write_dma);
1554 ppc_dcr_register(env, DMA0_SG2,
1555 dma, &dcr_read_dma, &dcr_write_dma);
1556 ppc_dcr_register(env, DMA0_CR3,
1557 dma, &dcr_read_dma, &dcr_write_dma);
1558 ppc_dcr_register(env, DMA0_CT3,
1559 dma, &dcr_read_dma, &dcr_write_dma);
1560 ppc_dcr_register(env, DMA0_DA3,
1561 dma, &dcr_read_dma, &dcr_write_dma);
1562 ppc_dcr_register(env, DMA0_SA3,
1563 dma, &dcr_read_dma, &dcr_write_dma);
1564 ppc_dcr_register(env, DMA0_SG3,
1565 dma, &dcr_read_dma, &dcr_write_dma);
1566 ppc_dcr_register(env, DMA0_SR,
1567 dma, &dcr_read_dma, &dcr_write_dma);
1568 ppc_dcr_register(env, DMA0_SGC,
1569 dma, &dcr_read_dma, &dcr_write_dma);
1570 ppc_dcr_register(env, DMA0_SLP,
1571 dma, &dcr_read_dma, &dcr_write_dma);
1572 ppc_dcr_register(env, DMA0_POL,
1573 dma, &dcr_read_dma, &dcr_write_dma);
1577 /*****************************************************************************/
1579 typedef struct ppc405_gpio_t ppc405_gpio_t;
1580 struct ppc405_gpio_t {
1581 target_phys_addr_t base;
1595 static uint32_t ppc405_gpio_readb (void *opaque, target_phys_addr_t addr)
1597 ppc405_gpio_t *gpio;
1601 printf("%s: addr " PADDRX "\n", __func__, addr);
1607 static void ppc405_gpio_writeb (void *opaque,
1608 target_phys_addr_t addr, uint32_t value)
1610 ppc405_gpio_t *gpio;
1614 printf("%s: addr " PADDRX " val %08x\n", __func__, addr, value);
1618 static uint32_t ppc405_gpio_readw (void *opaque, target_phys_addr_t addr)
1620 ppc405_gpio_t *gpio;
1624 printf("%s: addr " PADDRX "\n", __func__, addr);
1630 static void ppc405_gpio_writew (void *opaque,
1631 target_phys_addr_t addr, uint32_t value)
1633 ppc405_gpio_t *gpio;
1637 printf("%s: addr " PADDRX " val %08x\n", __func__, addr, value);
1641 static uint32_t ppc405_gpio_readl (void *opaque, target_phys_addr_t addr)
1643 ppc405_gpio_t *gpio;
1647 printf("%s: addr " PADDRX "\n", __func__, addr);
1653 static void ppc405_gpio_writel (void *opaque,
1654 target_phys_addr_t addr, uint32_t value)
1656 ppc405_gpio_t *gpio;
1660 printf("%s: addr " PADDRX " val %08x\n", __func__, addr, value);
1664 static CPUReadMemoryFunc *ppc405_gpio_read[] = {
1670 static CPUWriteMemoryFunc *ppc405_gpio_write[] = {
1671 &ppc405_gpio_writeb,
1672 &ppc405_gpio_writew,
1673 &ppc405_gpio_writel,
1676 static void ppc405_gpio_reset (void *opaque)
1678 ppc405_gpio_t *gpio;
1683 void ppc405_gpio_init (CPUState *env, ppc4xx_mmio_t *mmio,
1684 target_phys_addr_t offset)
1686 ppc405_gpio_t *gpio;
1688 gpio = qemu_mallocz(sizeof(ppc405_gpio_t));
1690 gpio->base = offset;
1691 ppc405_gpio_reset(gpio);
1692 qemu_register_reset(&ppc405_gpio_reset, gpio);
1694 printf("%s: offset=" PADDRX "\n", __func__, offset);
1696 ppc4xx_mmio_register(env, mmio, offset, 0x038,
1697 ppc405_gpio_read, ppc405_gpio_write, gpio);
1701 /*****************************************************************************/
1703 static CPUReadMemoryFunc *serial_mm_read[] = {
1709 static CPUWriteMemoryFunc *serial_mm_write[] = {
1715 void ppc405_serial_init (CPUState *env, ppc4xx_mmio_t *mmio,
1716 target_phys_addr_t offset, qemu_irq irq,
1717 CharDriverState *chr)
1722 printf("%s: offset=" PADDRX "\n", __func__, offset);
1724 serial = serial_mm_init(offset, 0, irq, chr, 0);
1725 ppc4xx_mmio_register(env, mmio, offset, 0x008,
1726 serial_mm_read, serial_mm_write, serial);
1729 /*****************************************************************************/
1730 /* On Chip Memory */
1733 OCM0_ISACNTL = 0x019,
1735 OCM0_DSACNTL = 0x01B,
1738 typedef struct ppc405_ocm_t ppc405_ocm_t;
1739 struct ppc405_ocm_t {
1740 target_ulong offset;
1747 static void ocm_update_mappings (ppc405_ocm_t *ocm,
1748 uint32_t isarc, uint32_t isacntl,
1749 uint32_t dsarc, uint32_t dsacntl)
1752 printf("OCM update ISA %08x %08x (%08x %08x) DSA %08x %08x (%08x %08x)\n",
1753 isarc, isacntl, dsarc, dsacntl,
1754 ocm->isarc, ocm->isacntl, ocm->dsarc, ocm->dsacntl);
1756 if (ocm->isarc != isarc ||
1757 (ocm->isacntl & 0x80000000) != (isacntl & 0x80000000)) {
1758 if (ocm->isacntl & 0x80000000) {
1759 /* Unmap previously assigned memory region */
1760 printf("OCM unmap ISA %08x\n", ocm->isarc);
1761 cpu_register_physical_memory(ocm->isarc, 0x04000000,
1764 if (isacntl & 0x80000000) {
1765 /* Map new instruction memory region */
1767 printf("OCM map ISA %08x\n", isarc);
1769 cpu_register_physical_memory(isarc, 0x04000000,
1770 ocm->offset | IO_MEM_RAM);
1773 if (ocm->dsarc != dsarc ||
1774 (ocm->dsacntl & 0x80000000) != (dsacntl & 0x80000000)) {
1775 if (ocm->dsacntl & 0x80000000) {
1776 /* Beware not to unmap the region we just mapped */
1777 if (!(isacntl & 0x80000000) || ocm->dsarc != isarc) {
1778 /* Unmap previously assigned memory region */
1780 printf("OCM unmap DSA %08x\n", ocm->dsarc);
1782 cpu_register_physical_memory(ocm->dsarc, 0x04000000,
1786 if (dsacntl & 0x80000000) {
1787 /* Beware not to remap the region we just mapped */
1788 if (!(isacntl & 0x80000000) || dsarc != isarc) {
1789 /* Map new data memory region */
1791 printf("OCM map DSA %08x\n", dsarc);
1793 cpu_register_physical_memory(dsarc, 0x04000000,
1794 ocm->offset | IO_MEM_RAM);
1800 static target_ulong dcr_read_ocm (void *opaque, int dcrn)
1827 static void dcr_write_ocm (void *opaque, int dcrn, target_ulong val)
1830 uint32_t isarc, dsarc, isacntl, dsacntl;
1835 isacntl = ocm->isacntl;
1836 dsacntl = ocm->dsacntl;
1839 isarc = val & 0xFC000000;
1842 isacntl = val & 0xC0000000;
1845 isarc = val & 0xFC000000;
1848 isacntl = val & 0xC0000000;
1851 ocm_update_mappings(ocm, isarc, isacntl, dsarc, dsacntl);
1854 ocm->isacntl = isacntl;
1855 ocm->dsacntl = dsacntl;
1858 static void ocm_reset (void *opaque)
1861 uint32_t isarc, dsarc, isacntl, dsacntl;
1865 isacntl = 0x00000000;
1867 dsacntl = 0x00000000;
1868 ocm_update_mappings(ocm, isarc, isacntl, dsarc, dsacntl);
1871 ocm->isacntl = isacntl;
1872 ocm->dsacntl = dsacntl;
1875 void ppc405_ocm_init (CPUState *env, unsigned long offset)
1879 ocm = qemu_mallocz(sizeof(ppc405_ocm_t));
1881 ocm->offset = offset;
1883 qemu_register_reset(&ocm_reset, ocm);
1884 ppc_dcr_register(env, OCM0_ISARC,
1885 ocm, &dcr_read_ocm, &dcr_write_ocm);
1886 ppc_dcr_register(env, OCM0_ISACNTL,
1887 ocm, &dcr_read_ocm, &dcr_write_ocm);
1888 ppc_dcr_register(env, OCM0_DSARC,
1889 ocm, &dcr_read_ocm, &dcr_write_ocm);
1890 ppc_dcr_register(env, OCM0_DSACNTL,
1891 ocm, &dcr_read_ocm, &dcr_write_ocm);
1895 /*****************************************************************************/
1896 /* I2C controller */
1897 typedef struct ppc4xx_i2c_t ppc4xx_i2c_t;
1898 struct ppc4xx_i2c_t {
1899 target_phys_addr_t base;
1918 static uint32_t ppc4xx_i2c_readb (void *opaque, target_phys_addr_t addr)
1924 printf("%s: addr " PADDRX "\n", __func__, addr);
1927 switch (addr - i2c->base) {
1929 // i2c_readbyte(&i2c->mdata);
1969 ret = i2c->xtcntlss;
1972 ret = i2c->directcntl;
1979 printf("%s: addr " PADDRX " %02x\n", __func__, addr, ret);
1985 static void ppc4xx_i2c_writeb (void *opaque,
1986 target_phys_addr_t addr, uint32_t value)
1991 printf("%s: addr " PADDRX " val %08x\n", __func__, addr, value);
1994 switch (addr - i2c->base) {
1997 // i2c_sendbyte(&i2c->mdata);
2012 i2c->mdcntl = value & 0xDF;
2015 i2c->sts &= ~(value & 0x0A);
2018 i2c->extsts &= ~(value & 0x8F);
2027 i2c->clkdiv = value;
2030 i2c->intrmsk = value;
2033 i2c->xfrcnt = value & 0x77;
2036 i2c->xtcntlss = value;
2039 i2c->directcntl = value & 0x7;
2044 static uint32_t ppc4xx_i2c_readw (void *opaque, target_phys_addr_t addr)
2049 printf("%s: addr " PADDRX "\n", __func__, addr);
2051 ret = ppc4xx_i2c_readb(opaque, addr) << 8;
2052 ret |= ppc4xx_i2c_readb(opaque, addr + 1);
2057 static void ppc4xx_i2c_writew (void *opaque,
2058 target_phys_addr_t addr, uint32_t value)
2061 printf("%s: addr " PADDRX " val %08x\n", __func__, addr, value);
2063 ppc4xx_i2c_writeb(opaque, addr, value >> 8);
2064 ppc4xx_i2c_writeb(opaque, addr + 1, value);
2067 static uint32_t ppc4xx_i2c_readl (void *opaque, target_phys_addr_t addr)
2072 printf("%s: addr " PADDRX "\n", __func__, addr);
2074 ret = ppc4xx_i2c_readb(opaque, addr) << 24;
2075 ret |= ppc4xx_i2c_readb(opaque, addr + 1) << 16;
2076 ret |= ppc4xx_i2c_readb(opaque, addr + 2) << 8;
2077 ret |= ppc4xx_i2c_readb(opaque, addr + 3);
2082 static void ppc4xx_i2c_writel (void *opaque,
2083 target_phys_addr_t addr, uint32_t value)
2086 printf("%s: addr " PADDRX " val %08x\n", __func__, addr, value);
2088 ppc4xx_i2c_writeb(opaque, addr, value >> 24);
2089 ppc4xx_i2c_writeb(opaque, addr + 1, value >> 16);
2090 ppc4xx_i2c_writeb(opaque, addr + 2, value >> 8);
2091 ppc4xx_i2c_writeb(opaque, addr + 3, value);
2094 static CPUReadMemoryFunc *i2c_read[] = {
2100 static CPUWriteMemoryFunc *i2c_write[] = {
2106 static void ppc4xx_i2c_reset (void *opaque)
2119 i2c->directcntl = 0x0F;
2122 void ppc405_i2c_init (CPUState *env, ppc4xx_mmio_t *mmio,
2123 target_phys_addr_t offset, qemu_irq irq)
2127 i2c = qemu_mallocz(sizeof(ppc4xx_i2c_t));
2131 ppc4xx_i2c_reset(i2c);
2133 printf("%s: offset=" PADDRX "\n", __func__, offset);
2135 ppc4xx_mmio_register(env, mmio, offset, 0x011,
2136 i2c_read, i2c_write, i2c);
2137 qemu_register_reset(ppc4xx_i2c_reset, i2c);
2141 /*****************************************************************************/
2142 /* General purpose timers */
2143 typedef struct ppc4xx_gpt_t ppc4xx_gpt_t;
2144 struct ppc4xx_gpt_t {
2145 target_phys_addr_t base;
2148 struct QEMUTimer *timer;
2159 static uint32_t ppc4xx_gpt_readb (void *opaque, target_phys_addr_t addr)
2162 printf("%s: addr " PADDRX "\n", __func__, addr);
2164 /* XXX: generate a bus fault */
2168 static void ppc4xx_gpt_writeb (void *opaque,
2169 target_phys_addr_t addr, uint32_t value)
2172 printf("%s: addr " PADDRX " val %08x\n", __func__, addr, value);
2174 /* XXX: generate a bus fault */
2177 static uint32_t ppc4xx_gpt_readw (void *opaque, target_phys_addr_t addr)
2180 printf("%s: addr " PADDRX "\n", __func__, addr);
2182 /* XXX: generate a bus fault */
2186 static void ppc4xx_gpt_writew (void *opaque,
2187 target_phys_addr_t addr, uint32_t value)
2190 printf("%s: addr " PADDRX " val %08x\n", __func__, addr, value);
2192 /* XXX: generate a bus fault */
2195 static int ppc4xx_gpt_compare (ppc4xx_gpt_t *gpt, int n)
2201 static void ppc4xx_gpt_set_output (ppc4xx_gpt_t *gpt, int n, int level)
2206 static void ppc4xx_gpt_set_outputs (ppc4xx_gpt_t *gpt)
2212 for (i = 0; i < 5; i++) {
2213 if (gpt->oe & mask) {
2214 /* Output is enabled */
2215 if (ppc4xx_gpt_compare(gpt, i)) {
2216 /* Comparison is OK */
2217 ppc4xx_gpt_set_output(gpt, i, gpt->ol & mask);
2219 /* Comparison is KO */
2220 ppc4xx_gpt_set_output(gpt, i, gpt->ol & mask ? 0 : 1);
2227 static void ppc4xx_gpt_set_irqs (ppc4xx_gpt_t *gpt)
2233 for (i = 0; i < 5; i++) {
2234 if (gpt->is & gpt->im & mask)
2235 qemu_irq_raise(gpt->irqs[i]);
2237 qemu_irq_lower(gpt->irqs[i]);
2242 static void ppc4xx_gpt_compute_timer (ppc4xx_gpt_t *gpt)
2247 static uint32_t ppc4xx_gpt_readl (void *opaque, target_phys_addr_t addr)
2254 printf("%s: addr " PADDRX "\n", __func__, addr);
2257 switch (addr - gpt->base) {
2259 /* Time base counter */
2260 ret = muldiv64(qemu_get_clock(vm_clock) + gpt->tb_offset,
2261 gpt->tb_freq, ticks_per_sec);
2272 /* Interrupt mask */
2277 /* Interrupt status */
2281 /* Interrupt enable */
2286 idx = ((addr - gpt->base) - 0x80) >> 2;
2287 ret = gpt->comp[idx];
2291 idx = ((addr - gpt->base) - 0xC0) >> 2;
2292 ret = gpt->mask[idx];
2302 static void ppc4xx_gpt_writel (void *opaque,
2303 target_phys_addr_t addr, uint32_t value)
2309 printf("%s: addr " PADDRX " val %08x\n", __func__, addr, value);
2312 switch (addr - gpt->base) {
2314 /* Time base counter */
2315 gpt->tb_offset = muldiv64(value, ticks_per_sec, gpt->tb_freq)
2316 - qemu_get_clock(vm_clock);
2317 ppc4xx_gpt_compute_timer(gpt);
2321 gpt->oe = value & 0xF8000000;
2322 ppc4xx_gpt_set_outputs(gpt);
2326 gpt->ol = value & 0xF8000000;
2327 ppc4xx_gpt_set_outputs(gpt);
2330 /* Interrupt mask */
2331 gpt->im = value & 0x0000F800;
2334 /* Interrupt status set */
2335 gpt->is |= value & 0x0000F800;
2336 ppc4xx_gpt_set_irqs(gpt);
2339 /* Interrupt status clear */
2340 gpt->is &= ~(value & 0x0000F800);
2341 ppc4xx_gpt_set_irqs(gpt);
2344 /* Interrupt enable */
2345 gpt->ie = value & 0x0000F800;
2346 ppc4xx_gpt_set_irqs(gpt);
2350 idx = ((addr - gpt->base) - 0x80) >> 2;
2351 gpt->comp[idx] = value & 0xF8000000;
2352 ppc4xx_gpt_compute_timer(gpt);
2356 idx = ((addr - gpt->base) - 0xC0) >> 2;
2357 gpt->mask[idx] = value & 0xF8000000;
2358 ppc4xx_gpt_compute_timer(gpt);
2363 static CPUReadMemoryFunc *gpt_read[] = {
2369 static CPUWriteMemoryFunc *gpt_write[] = {
2375 static void ppc4xx_gpt_cb (void *opaque)
2380 ppc4xx_gpt_set_irqs(gpt);
2381 ppc4xx_gpt_set_outputs(gpt);
2382 ppc4xx_gpt_compute_timer(gpt);
2385 static void ppc4xx_gpt_reset (void *opaque)
2391 qemu_del_timer(gpt->timer);
2392 gpt->oe = 0x00000000;
2393 gpt->ol = 0x00000000;
2394 gpt->im = 0x00000000;
2395 gpt->is = 0x00000000;
2396 gpt->ie = 0x00000000;
2397 for (i = 0; i < 5; i++) {
2398 gpt->comp[i] = 0x00000000;
2399 gpt->mask[i] = 0x00000000;
2403 void ppc4xx_gpt_init (CPUState *env, ppc4xx_mmio_t *mmio,
2404 target_phys_addr_t offset, qemu_irq irqs[5])
2409 gpt = qemu_mallocz(sizeof(ppc4xx_gpt_t));
2412 for (i = 0; i < 5; i++)
2413 gpt->irqs[i] = irqs[i];
2414 gpt->timer = qemu_new_timer(vm_clock, &ppc4xx_gpt_cb, gpt);
2415 ppc4xx_gpt_reset(gpt);
2417 printf("%s: offset=" PADDRX "\n", __func__, offset);
2419 ppc4xx_mmio_register(env, mmio, offset, 0x0D4,
2420 gpt_read, gpt_write, gpt);
2421 qemu_register_reset(ppc4xx_gpt_reset, gpt);
2425 /*****************************************************************************/
2431 MAL0_TXCASR = 0x184,
2432 MAL0_TXCARR = 0x185,
2433 MAL0_TXEOBISR = 0x186,
2434 MAL0_TXDEIR = 0x187,
2435 MAL0_RXCASR = 0x190,
2436 MAL0_RXCARR = 0x191,
2437 MAL0_RXEOBISR = 0x192,
2438 MAL0_RXDEIR = 0x193,
2439 MAL0_TXCTP0R = 0x1A0,
2440 MAL0_TXCTP1R = 0x1A1,
2441 MAL0_TXCTP2R = 0x1A2,
2442 MAL0_TXCTP3R = 0x1A3,
2443 MAL0_RXCTP0R = 0x1C0,
2444 MAL0_RXCTP1R = 0x1C1,
2449 typedef struct ppc40x_mal_t ppc40x_mal_t;
2450 struct ppc40x_mal_t {
2468 static void ppc40x_mal_reset (void *opaque);
2470 static target_ulong dcr_read_mal (void *opaque, int dcrn)
2493 ret = mal->txeobisr;
2505 ret = mal->rxeobisr;
2511 ret = mal->txctpr[0];
2514 ret = mal->txctpr[1];
2517 ret = mal->txctpr[2];
2520 ret = mal->txctpr[3];
2523 ret = mal->rxctpr[0];
2526 ret = mal->rxctpr[1];
2542 static void dcr_write_mal (void *opaque, int dcrn, target_ulong val)
2550 if (val & 0x80000000)
2551 ppc40x_mal_reset(mal);
2552 mal->cfg = val & 0x00FFC087;
2559 mal->ier = val & 0x0000001F;
2562 mal->txcasr = val & 0xF0000000;
2565 mal->txcarr = val & 0xF0000000;
2569 mal->txeobisr &= ~val;
2573 mal->txdeir &= ~val;
2576 mal->rxcasr = val & 0xC0000000;
2579 mal->rxcarr = val & 0xC0000000;
2583 mal->rxeobisr &= ~val;
2587 mal->rxdeir &= ~val;
2601 mal->txctpr[idx] = val;
2609 mal->rxctpr[idx] = val;
2613 goto update_rx_size;
2617 mal->rcbs[idx] = val & 0x000000FF;
2622 static void ppc40x_mal_reset (void *opaque)
2627 mal->cfg = 0x0007C000;
2628 mal->esr = 0x00000000;
2629 mal->ier = 0x00000000;
2630 mal->rxcasr = 0x00000000;
2631 mal->rxdeir = 0x00000000;
2632 mal->rxeobisr = 0x00000000;
2633 mal->txcasr = 0x00000000;
2634 mal->txdeir = 0x00000000;
2635 mal->txeobisr = 0x00000000;
2638 void ppc405_mal_init (CPUState *env, qemu_irq irqs[4])
2643 mal = qemu_mallocz(sizeof(ppc40x_mal_t));
2645 for (i = 0; i < 4; i++)
2646 mal->irqs[i] = irqs[i];
2647 ppc40x_mal_reset(mal);
2648 qemu_register_reset(&ppc40x_mal_reset, mal);
2649 ppc_dcr_register(env, MAL0_CFG,
2650 mal, &dcr_read_mal, &dcr_write_mal);
2651 ppc_dcr_register(env, MAL0_ESR,
2652 mal, &dcr_read_mal, &dcr_write_mal);
2653 ppc_dcr_register(env, MAL0_IER,
2654 mal, &dcr_read_mal, &dcr_write_mal);
2655 ppc_dcr_register(env, MAL0_TXCASR,
2656 mal, &dcr_read_mal, &dcr_write_mal);
2657 ppc_dcr_register(env, MAL0_TXCARR,
2658 mal, &dcr_read_mal, &dcr_write_mal);
2659 ppc_dcr_register(env, MAL0_TXEOBISR,
2660 mal, &dcr_read_mal, &dcr_write_mal);
2661 ppc_dcr_register(env, MAL0_TXDEIR,
2662 mal, &dcr_read_mal, &dcr_write_mal);
2663 ppc_dcr_register(env, MAL0_RXCASR,
2664 mal, &dcr_read_mal, &dcr_write_mal);
2665 ppc_dcr_register(env, MAL0_RXCARR,
2666 mal, &dcr_read_mal, &dcr_write_mal);
2667 ppc_dcr_register(env, MAL0_RXEOBISR,
2668 mal, &dcr_read_mal, &dcr_write_mal);
2669 ppc_dcr_register(env, MAL0_RXDEIR,
2670 mal, &dcr_read_mal, &dcr_write_mal);
2671 ppc_dcr_register(env, MAL0_TXCTP0R,
2672 mal, &dcr_read_mal, &dcr_write_mal);
2673 ppc_dcr_register(env, MAL0_TXCTP1R,
2674 mal, &dcr_read_mal, &dcr_write_mal);
2675 ppc_dcr_register(env, MAL0_TXCTP2R,
2676 mal, &dcr_read_mal, &dcr_write_mal);
2677 ppc_dcr_register(env, MAL0_TXCTP3R,
2678 mal, &dcr_read_mal, &dcr_write_mal);
2679 ppc_dcr_register(env, MAL0_RXCTP0R,
2680 mal, &dcr_read_mal, &dcr_write_mal);
2681 ppc_dcr_register(env, MAL0_RXCTP1R,
2682 mal, &dcr_read_mal, &dcr_write_mal);
2683 ppc_dcr_register(env, MAL0_RCBS0,
2684 mal, &dcr_read_mal, &dcr_write_mal);
2685 ppc_dcr_register(env, MAL0_RCBS1,
2686 mal, &dcr_read_mal, &dcr_write_mal);
2690 /*****************************************************************************/
2692 void ppc40x_core_reset (CPUState *env)
2696 printf("Reset PowerPC core\n");
2698 dbsr = env->spr[SPR_40x_DBSR];
2699 dbsr &= ~0x00000300;
2701 env->spr[SPR_40x_DBSR] = dbsr;
2705 void ppc40x_chip_reset (CPUState *env)
2709 printf("Reset PowerPC chip\n");
2711 /* XXX: TODO reset all internal peripherals */
2712 dbsr = env->spr[SPR_40x_DBSR];
2713 dbsr &= ~0x00000300;
2715 env->spr[SPR_40x_DBSR] = dbsr;
2719 void ppc40x_system_reset (CPUState *env)
2721 printf("Reset PowerPC system\n");
2722 qemu_system_reset_request();
2725 void store_40x_dbcr0 (CPUState *env, uint32_t val)
2727 switch ((val >> 28) & 0x3) {
2733 ppc40x_core_reset(env);
2737 ppc40x_chip_reset(env);
2741 ppc40x_system_reset(env);
2746 /*****************************************************************************/
2749 PPC405CR_CPC0_PLLMR = 0x0B0,
2750 PPC405CR_CPC0_CR0 = 0x0B1,
2751 PPC405CR_CPC0_CR1 = 0x0B2,
2752 PPC405CR_CPC0_PSR = 0x0B4,
2753 PPC405CR_CPC0_JTAGID = 0x0B5,
2754 PPC405CR_CPC0_ER = 0x0B9,
2755 PPC405CR_CPC0_FR = 0x0BA,
2756 PPC405CR_CPC0_SR = 0x0BB,
2760 PPC405CR_CPU_CLK = 0,
2761 PPC405CR_TMR_CLK = 1,
2762 PPC405CR_PLB_CLK = 2,
2763 PPC405CR_SDRAM_CLK = 3,
2764 PPC405CR_OPB_CLK = 4,
2765 PPC405CR_EXT_CLK = 5,
2766 PPC405CR_UART_CLK = 6,
2767 PPC405CR_CLK_NB = 7,
2770 typedef struct ppc405cr_cpc_t ppc405cr_cpc_t;
2771 struct ppc405cr_cpc_t {
2772 clk_setup_t clk_setup[PPC405CR_CLK_NB];
2783 static void ppc405cr_clk_setup (ppc405cr_cpc_t *cpc)
2785 uint64_t VCO_out, PLL_out;
2786 uint32_t CPU_clk, TMR_clk, SDRAM_clk, PLB_clk, OPB_clk, EXT_clk, UART_clk;
2789 D0 = ((cpc->pllmr >> 26) & 0x3) + 1; /* CBDV */
2790 if (cpc->pllmr & 0x80000000) {
2791 D1 = (((cpc->pllmr >> 20) - 1) & 0xF) + 1; /* FBDV */
2792 D2 = 8 - ((cpc->pllmr >> 16) & 0x7); /* FWDVA */
2794 VCO_out = cpc->sysclk * M;
2795 if (VCO_out < 400000000 || VCO_out > 800000000) {
2796 /* PLL cannot lock */
2797 cpc->pllmr &= ~0x80000000;
2800 PLL_out = VCO_out / D2;
2805 PLL_out = cpc->sysclk * M;
2808 if (cpc->cr1 & 0x00800000)
2809 TMR_clk = cpc->sysclk; /* Should have a separate clock */
2812 PLB_clk = CPU_clk / D0;
2813 SDRAM_clk = PLB_clk;
2814 D0 = ((cpc->pllmr >> 10) & 0x3) + 1;
2815 OPB_clk = PLB_clk / D0;
2816 D0 = ((cpc->pllmr >> 24) & 0x3) + 2;
2817 EXT_clk = PLB_clk / D0;
2818 D0 = ((cpc->cr0 >> 1) & 0x1F) + 1;
2819 UART_clk = CPU_clk / D0;
2820 /* Setup CPU clocks */
2821 clk_setup(&cpc->clk_setup[PPC405CR_CPU_CLK], CPU_clk);
2822 /* Setup time-base clock */
2823 clk_setup(&cpc->clk_setup[PPC405CR_TMR_CLK], TMR_clk);
2824 /* Setup PLB clock */
2825 clk_setup(&cpc->clk_setup[PPC405CR_PLB_CLK], PLB_clk);
2826 /* Setup SDRAM clock */
2827 clk_setup(&cpc->clk_setup[PPC405CR_SDRAM_CLK], SDRAM_clk);
2828 /* Setup OPB clock */
2829 clk_setup(&cpc->clk_setup[PPC405CR_OPB_CLK], OPB_clk);
2830 /* Setup external clock */
2831 clk_setup(&cpc->clk_setup[PPC405CR_EXT_CLK], EXT_clk);
2832 /* Setup UART clock */
2833 clk_setup(&cpc->clk_setup[PPC405CR_UART_CLK], UART_clk);
2836 static target_ulong dcr_read_crcpc (void *opaque, int dcrn)
2838 ppc405cr_cpc_t *cpc;
2843 case PPC405CR_CPC0_PLLMR:
2846 case PPC405CR_CPC0_CR0:
2849 case PPC405CR_CPC0_CR1:
2852 case PPC405CR_CPC0_PSR:
2855 case PPC405CR_CPC0_JTAGID:
2858 case PPC405CR_CPC0_ER:
2861 case PPC405CR_CPC0_FR:
2864 case PPC405CR_CPC0_SR:
2865 ret = ~(cpc->er | cpc->fr) & 0xFFFF0000;
2868 /* Avoid gcc warning */
2876 static void dcr_write_crcpc (void *opaque, int dcrn, target_ulong val)
2878 ppc405cr_cpc_t *cpc;
2882 case PPC405CR_CPC0_PLLMR:
2883 cpc->pllmr = val & 0xFFF77C3F;
2885 case PPC405CR_CPC0_CR0:
2886 cpc->cr0 = val & 0x0FFFFFFE;
2888 case PPC405CR_CPC0_CR1:
2889 cpc->cr1 = val & 0x00800000;
2891 case PPC405CR_CPC0_PSR:
2894 case PPC405CR_CPC0_JTAGID:
2897 case PPC405CR_CPC0_ER:
2898 cpc->er = val & 0xBFFC0000;
2900 case PPC405CR_CPC0_FR:
2901 cpc->fr = val & 0xBFFC0000;
2903 case PPC405CR_CPC0_SR:
2909 static void ppc405cr_cpc_reset (void *opaque)
2911 ppc405cr_cpc_t *cpc;
2915 /* Compute PLLMR value from PSR settings */
2916 cpc->pllmr = 0x80000000;
2918 switch ((cpc->psr >> 30) & 3) {
2921 cpc->pllmr &= ~0x80000000;
2925 cpc->pllmr |= 5 << 16;
2929 cpc->pllmr |= 4 << 16;
2933 cpc->pllmr |= 2 << 16;
2937 D = (cpc->psr >> 28) & 3;
2938 cpc->pllmr |= (D + 1) << 20;
2940 D = (cpc->psr >> 25) & 7;
2955 D = (cpc->psr >> 23) & 3;
2956 cpc->pllmr |= D << 26;
2958 D = (cpc->psr >> 21) & 3;
2959 cpc->pllmr |= D << 10;
2961 D = (cpc->psr >> 17) & 3;
2962 cpc->pllmr |= D << 24;
2963 cpc->cr0 = 0x0000003C;
2964 cpc->cr1 = 0x2B0D8800;
2965 cpc->er = 0x00000000;
2966 cpc->fr = 0x00000000;
2967 ppc405cr_clk_setup(cpc);
2970 static void ppc405cr_clk_init (ppc405cr_cpc_t *cpc)
2974 /* XXX: this should be read from IO pins */
2975 cpc->psr = 0x00000000; /* 8 bits ROM */
2977 D = 0x2; /* Divide by 4 */
2978 cpc->psr |= D << 30;
2980 D = 0x1; /* Divide by 2 */
2981 cpc->psr |= D << 28;
2983 D = 0x1; /* Divide by 2 */
2984 cpc->psr |= D << 23;
2986 D = 0x5; /* M = 16 */
2987 cpc->psr |= D << 25;
2989 D = 0x1; /* Divide by 2 */
2990 cpc->psr |= D << 21;
2992 D = 0x2; /* Divide by 4 */
2993 cpc->psr |= D << 17;
2996 static void ppc405cr_cpc_init (CPUState *env, clk_setup_t clk_setup[7],
2999 ppc405cr_cpc_t *cpc;
3001 cpc = qemu_mallocz(sizeof(ppc405cr_cpc_t));
3003 memcpy(cpc->clk_setup, clk_setup,
3004 PPC405CR_CLK_NB * sizeof(clk_setup_t));
3005 cpc->sysclk = sysclk;
3006 cpc->jtagid = 0x42051049;
3007 ppc_dcr_register(env, PPC405CR_CPC0_PSR, cpc,
3008 &dcr_read_crcpc, &dcr_write_crcpc);
3009 ppc_dcr_register(env, PPC405CR_CPC0_CR0, cpc,
3010 &dcr_read_crcpc, &dcr_write_crcpc);
3011 ppc_dcr_register(env, PPC405CR_CPC0_CR1, cpc,
3012 &dcr_read_crcpc, &dcr_write_crcpc);
3013 ppc_dcr_register(env, PPC405CR_CPC0_JTAGID, cpc,
3014 &dcr_read_crcpc, &dcr_write_crcpc);
3015 ppc_dcr_register(env, PPC405CR_CPC0_PLLMR, cpc,
3016 &dcr_read_crcpc, &dcr_write_crcpc);
3017 ppc_dcr_register(env, PPC405CR_CPC0_ER, cpc,
3018 &dcr_read_crcpc, &dcr_write_crcpc);
3019 ppc_dcr_register(env, PPC405CR_CPC0_FR, cpc,
3020 &dcr_read_crcpc, &dcr_write_crcpc);
3021 ppc_dcr_register(env, PPC405CR_CPC0_SR, cpc,
3022 &dcr_read_crcpc, &dcr_write_crcpc);
3023 ppc405cr_clk_init(cpc);
3024 qemu_register_reset(ppc405cr_cpc_reset, cpc);
3025 ppc405cr_cpc_reset(cpc);
3029 CPUState *ppc405cr_init (target_phys_addr_t ram_bases[4],
3030 target_phys_addr_t ram_sizes[4],
3031 uint32_t sysclk, qemu_irq **picp,
3032 ram_addr_t *offsetp, int do_init)
3034 clk_setup_t clk_setup[PPC405CR_CLK_NB];
3035 qemu_irq dma_irqs[4];
3037 ppc4xx_mmio_t *mmio;
3038 qemu_irq *pic, *irqs;
3042 memset(clk_setup, 0, sizeof(clk_setup));
3043 env = ppc405_init("405cr", &clk_setup[PPC405CR_CPU_CLK],
3044 &clk_setup[PPC405CR_TMR_CLK], sysclk);
3045 /* Memory mapped devices registers */
3046 mmio = ppc4xx_mmio_init(env, 0xEF600000);
3048 ppc4xx_plb_init(env);
3049 /* PLB to OPB bridge */
3050 ppc4xx_pob_init(env);
3052 ppc4xx_opba_init(env, mmio, 0x600);
3053 /* Universal interrupt controller */
3054 irqs = qemu_mallocz(sizeof(qemu_irq) * PPCUIC_OUTPUT_NB);
3055 irqs[PPCUIC_OUTPUT_INT] =
3056 ((qemu_irq *)env->irq_inputs)[PPC40x_INPUT_INT];
3057 irqs[PPCUIC_OUTPUT_CINT] =
3058 ((qemu_irq *)env->irq_inputs)[PPC40x_INPUT_CINT];
3059 pic = ppcuic_init(env, irqs, 0x0C0, 0, 1);
3061 /* SDRAM controller */
3062 ppc405_sdram_init(env, pic[14], 1, ram_bases, ram_sizes, do_init);
3064 for (i = 0; i < 4; i++)
3065 offset += ram_sizes[i];
3066 /* External bus controller */
3067 ppc405_ebc_init(env);
3068 /* DMA controller */
3069 dma_irqs[0] = pic[26];
3070 dma_irqs[1] = pic[25];
3071 dma_irqs[2] = pic[24];
3072 dma_irqs[3] = pic[23];
3073 ppc405_dma_init(env, dma_irqs);
3075 if (serial_hds[0] != NULL) {
3076 ppc405_serial_init(env, mmio, 0x300, pic[31], serial_hds[0]);
3078 if (serial_hds[1] != NULL) {
3079 ppc405_serial_init(env, mmio, 0x400, pic[30], serial_hds[1]);
3081 /* IIC controller */
3082 ppc405_i2c_init(env, mmio, 0x500, pic[29]);
3084 ppc405_gpio_init(env, mmio, 0x700);
3086 ppc405cr_cpc_init(env, clk_setup, sysclk);
3092 /*****************************************************************************/
3096 PPC405EP_CPC0_PLLMR0 = 0x0F0,
3097 PPC405EP_CPC0_BOOT = 0x0F1,
3098 PPC405EP_CPC0_EPCTL = 0x0F3,
3099 PPC405EP_CPC0_PLLMR1 = 0x0F4,
3100 PPC405EP_CPC0_UCR = 0x0F5,
3101 PPC405EP_CPC0_SRR = 0x0F6,
3102 PPC405EP_CPC0_JTAGID = 0x0F7,
3103 PPC405EP_CPC0_PCI = 0x0F9,
3105 PPC405EP_CPC0_ER = xxx,
3106 PPC405EP_CPC0_FR = xxx,
3107 PPC405EP_CPC0_SR = xxx,
3112 PPC405EP_CPU_CLK = 0,
3113 PPC405EP_PLB_CLK = 1,
3114 PPC405EP_OPB_CLK = 2,
3115 PPC405EP_EBC_CLK = 3,
3116 PPC405EP_MAL_CLK = 4,
3117 PPC405EP_PCI_CLK = 5,
3118 PPC405EP_UART0_CLK = 6,
3119 PPC405EP_UART1_CLK = 7,
3120 PPC405EP_CLK_NB = 8,
3123 typedef struct ppc405ep_cpc_t ppc405ep_cpc_t;
3124 struct ppc405ep_cpc_t {
3126 clk_setup_t clk_setup[PPC405EP_CLK_NB];
3134 /* Clock and power management */
3140 static void ppc405ep_compute_clocks (ppc405ep_cpc_t *cpc)
3142 uint32_t CPU_clk, PLB_clk, OPB_clk, EBC_clk, MAL_clk, PCI_clk;
3143 uint32_t UART0_clk, UART1_clk;
3144 uint64_t VCO_out, PLL_out;
3148 if ((cpc->pllmr[1] & 0x80000000) && !(cpc->pllmr[1] & 0x40000000)) {
3149 M = (((cpc->pllmr[1] >> 20) - 1) & 0xF) + 1; /* FBMUL */
3150 // printf("FBMUL %01x %d\n", (cpc->pllmr[1] >> 20) & 0xF, M);
3151 D = 8 - ((cpc->pllmr[1] >> 16) & 0x7); /* FWDA */
3152 // printf("FWDA %01x %d\n", (cpc->pllmr[1] >> 16) & 0x7, D);
3153 VCO_out = cpc->sysclk * M * D;
3154 if (VCO_out < 500000000UL || VCO_out > 1000000000UL) {
3155 /* Error - unlock the PLL */
3156 printf("VCO out of range %" PRIu64 "\n", VCO_out);
3158 cpc->pllmr[1] &= ~0x80000000;
3162 PLL_out = VCO_out / D;
3163 /* Pretend the PLL is locked */
3164 cpc->boot |= 0x00000001;
3169 PLL_out = cpc->sysclk;
3170 if (cpc->pllmr[1] & 0x40000000) {
3171 /* Pretend the PLL is not locked */
3172 cpc->boot &= ~0x00000001;
3175 /* Now, compute all other clocks */
3176 D = ((cpc->pllmr[0] >> 20) & 0x3) + 1; /* CCDV */
3178 // printf("CCDV %01x %d\n", (cpc->pllmr[0] >> 20) & 0x3, D);
3180 CPU_clk = PLL_out / D;
3181 D = ((cpc->pllmr[0] >> 16) & 0x3) + 1; /* CBDV */
3183 // printf("CBDV %01x %d\n", (cpc->pllmr[0] >> 16) & 0x3, D);
3185 PLB_clk = CPU_clk / D;
3186 D = ((cpc->pllmr[0] >> 12) & 0x3) + 1; /* OPDV */
3188 // printf("OPDV %01x %d\n", (cpc->pllmr[0] >> 12) & 0x3, D);
3190 OPB_clk = PLB_clk / D;
3191 D = ((cpc->pllmr[0] >> 8) & 0x3) + 2; /* EPDV */
3193 // printf("EPDV %01x %d\n", (cpc->pllmr[0] >> 8) & 0x3, D);
3195 EBC_clk = PLB_clk / D;
3196 D = ((cpc->pllmr[0] >> 4) & 0x3) + 1; /* MPDV */
3198 // printf("MPDV %01x %d\n", (cpc->pllmr[0] >> 4) & 0x3, D);
3200 MAL_clk = PLB_clk / D;
3201 D = (cpc->pllmr[0] & 0x3) + 1; /* PPDV */
3203 // printf("PPDV %01x %d\n", cpc->pllmr[0] & 0x3, D);
3205 PCI_clk = PLB_clk / D;
3206 D = ((cpc->ucr - 1) & 0x7F) + 1; /* U0DIV */
3208 // printf("U0DIV %01x %d\n", cpc->ucr & 0x7F, D);
3210 UART0_clk = PLL_out / D;
3211 D = (((cpc->ucr >> 8) - 1) & 0x7F) + 1; /* U1DIV */
3213 // printf("U1DIV %01x %d\n", (cpc->ucr >> 8) & 0x7F, D);
3215 UART1_clk = PLL_out / D;
3217 printf("Setup PPC405EP clocks - sysclk %d VCO %" PRIu64
3218 " PLL out %" PRIu64 " Hz\n", cpc->sysclk, VCO_out, PLL_out);
3219 printf("CPU %d PLB %d OPB %d EBC %d MAL %d PCI %d UART0 %d UART1 %d\n",
3220 CPU_clk, PLB_clk, OPB_clk, EBC_clk, MAL_clk, PCI_clk,
3221 UART0_clk, UART1_clk);
3222 printf("CB %p opaque %p\n", cpc->clk_setup[PPC405EP_CPU_CLK].cb,
3223 cpc->clk_setup[PPC405EP_CPU_CLK].opaque);
3225 /* Setup CPU clocks */
3226 clk_setup(&cpc->clk_setup[PPC405EP_CPU_CLK], CPU_clk);
3227 /* Setup PLB clock */
3228 clk_setup(&cpc->clk_setup[PPC405EP_PLB_CLK], PLB_clk);
3229 /* Setup OPB clock */
3230 clk_setup(&cpc->clk_setup[PPC405EP_OPB_CLK], OPB_clk);
3231 /* Setup external clock */
3232 clk_setup(&cpc->clk_setup[PPC405EP_EBC_CLK], EBC_clk);
3233 /* Setup MAL clock */
3234 clk_setup(&cpc->clk_setup[PPC405EP_MAL_CLK], MAL_clk);
3235 /* Setup PCI clock */
3236 clk_setup(&cpc->clk_setup[PPC405EP_PCI_CLK], PCI_clk);
3237 /* Setup UART0 clock */
3238 clk_setup(&cpc->clk_setup[PPC405EP_UART0_CLK], UART0_clk);
3239 /* Setup UART1 clock */
3240 clk_setup(&cpc->clk_setup[PPC405EP_UART1_CLK], UART1_clk);
3243 static target_ulong dcr_read_epcpc (void *opaque, int dcrn)
3245 ppc405ep_cpc_t *cpc;
3250 case PPC405EP_CPC0_BOOT:
3253 case PPC405EP_CPC0_EPCTL:
3256 case PPC405EP_CPC0_PLLMR0:
3257 ret = cpc->pllmr[0];
3259 case PPC405EP_CPC0_PLLMR1:
3260 ret = cpc->pllmr[1];
3262 case PPC405EP_CPC0_UCR:
3265 case PPC405EP_CPC0_SRR:
3268 case PPC405EP_CPC0_JTAGID:
3271 case PPC405EP_CPC0_PCI:
3275 /* Avoid gcc warning */
3283 static void dcr_write_epcpc (void *opaque, int dcrn, target_ulong val)
3285 ppc405ep_cpc_t *cpc;
3289 case PPC405EP_CPC0_BOOT:
3290 /* Read-only register */
3292 case PPC405EP_CPC0_EPCTL:
3293 /* Don't care for now */
3294 cpc->epctl = val & 0xC00000F3;
3296 case PPC405EP_CPC0_PLLMR0:
3297 cpc->pllmr[0] = val & 0x00633333;
3298 ppc405ep_compute_clocks(cpc);
3300 case PPC405EP_CPC0_PLLMR1:
3301 cpc->pllmr[1] = val & 0xC0F73FFF;
3302 ppc405ep_compute_clocks(cpc);
3304 case PPC405EP_CPC0_UCR:
3305 /* UART control - don't care for now */
3306 cpc->ucr = val & 0x003F7F7F;
3308 case PPC405EP_CPC0_SRR:
3311 case PPC405EP_CPC0_JTAGID:
3314 case PPC405EP_CPC0_PCI:
3320 static void ppc405ep_cpc_reset (void *opaque)
3322 ppc405ep_cpc_t *cpc = opaque;
3324 cpc->boot = 0x00000010; /* Boot from PCI - IIC EEPROM disabled */
3325 cpc->epctl = 0x00000000;
3326 cpc->pllmr[0] = 0x00011010;
3327 cpc->pllmr[1] = 0x40000000;
3328 cpc->ucr = 0x00000000;
3329 cpc->srr = 0x00040000;
3330 cpc->pci = 0x00000000;
3331 cpc->er = 0x00000000;
3332 cpc->fr = 0x00000000;
3333 cpc->sr = 0x00000000;
3334 ppc405ep_compute_clocks(cpc);
3337 /* XXX: sysclk should be between 25 and 100 MHz */
3338 static void ppc405ep_cpc_init (CPUState *env, clk_setup_t clk_setup[8],
3341 ppc405ep_cpc_t *cpc;
3343 cpc = qemu_mallocz(sizeof(ppc405ep_cpc_t));
3345 memcpy(cpc->clk_setup, clk_setup,
3346 PPC405EP_CLK_NB * sizeof(clk_setup_t));
3347 cpc->jtagid = 0x20267049;
3348 cpc->sysclk = sysclk;
3349 ppc405ep_cpc_reset(cpc);
3350 qemu_register_reset(&ppc405ep_cpc_reset, cpc);
3351 ppc_dcr_register(env, PPC405EP_CPC0_BOOT, cpc,
3352 &dcr_read_epcpc, &dcr_write_epcpc);
3353 ppc_dcr_register(env, PPC405EP_CPC0_EPCTL, cpc,
3354 &dcr_read_epcpc, &dcr_write_epcpc);
3355 ppc_dcr_register(env, PPC405EP_CPC0_PLLMR0, cpc,
3356 &dcr_read_epcpc, &dcr_write_epcpc);
3357 ppc_dcr_register(env, PPC405EP_CPC0_PLLMR1, cpc,
3358 &dcr_read_epcpc, &dcr_write_epcpc);
3359 ppc_dcr_register(env, PPC405EP_CPC0_UCR, cpc,
3360 &dcr_read_epcpc, &dcr_write_epcpc);
3361 ppc_dcr_register(env, PPC405EP_CPC0_SRR, cpc,
3362 &dcr_read_epcpc, &dcr_write_epcpc);
3363 ppc_dcr_register(env, PPC405EP_CPC0_JTAGID, cpc,
3364 &dcr_read_epcpc, &dcr_write_epcpc);
3365 ppc_dcr_register(env, PPC405EP_CPC0_PCI, cpc,
3366 &dcr_read_epcpc, &dcr_write_epcpc);
3368 ppc_dcr_register(env, PPC405EP_CPC0_ER, cpc,
3369 &dcr_read_epcpc, &dcr_write_epcpc);
3370 ppc_dcr_register(env, PPC405EP_CPC0_FR, cpc,
3371 &dcr_read_epcpc, &dcr_write_epcpc);
3372 ppc_dcr_register(env, PPC405EP_CPC0_SR, cpc,
3373 &dcr_read_epcpc, &dcr_write_epcpc);
3378 CPUState *ppc405ep_init (target_phys_addr_t ram_bases[2],
3379 target_phys_addr_t ram_sizes[2],
3380 uint32_t sysclk, qemu_irq **picp,
3381 ram_addr_t *offsetp, int do_init)
3383 clk_setup_t clk_setup[PPC405EP_CLK_NB], tlb_clk_setup;
3384 qemu_irq dma_irqs[4], gpt_irqs[5], mal_irqs[4];
3386 ppc4xx_mmio_t *mmio;
3387 qemu_irq *pic, *irqs;
3391 memset(clk_setup, 0, sizeof(clk_setup));
3393 env = ppc405_init("405ep", &clk_setup[PPC405EP_CPU_CLK],
3394 &tlb_clk_setup, sysclk);
3395 clk_setup[PPC405EP_CPU_CLK].cb = tlb_clk_setup.cb;
3396 clk_setup[PPC405EP_CPU_CLK].opaque = tlb_clk_setup.opaque;
3397 /* Internal devices init */
3398 /* Memory mapped devices registers */
3399 mmio = ppc4xx_mmio_init(env, 0xEF600000);
3401 ppc4xx_plb_init(env);
3402 /* PLB to OPB bridge */
3403 ppc4xx_pob_init(env);
3405 ppc4xx_opba_init(env, mmio, 0x600);
3406 /* Universal interrupt controller */
3407 irqs = qemu_mallocz(sizeof(qemu_irq) * PPCUIC_OUTPUT_NB);
3408 irqs[PPCUIC_OUTPUT_INT] =
3409 ((qemu_irq *)env->irq_inputs)[PPC40x_INPUT_INT];
3410 irqs[PPCUIC_OUTPUT_CINT] =
3411 ((qemu_irq *)env->irq_inputs)[PPC40x_INPUT_CINT];
3412 pic = ppcuic_init(env, irqs, 0x0C0, 0, 1);
3414 /* SDRAM controller */
3415 ppc405_sdram_init(env, pic[14], 2, ram_bases, ram_sizes, do_init);
3417 for (i = 0; i < 2; i++)
3418 offset += ram_sizes[i];
3419 /* External bus controller */
3420 ppc405_ebc_init(env);
3421 /* DMA controller */
3422 dma_irqs[0] = pic[26];
3423 dma_irqs[1] = pic[25];
3424 dma_irqs[2] = pic[24];
3425 dma_irqs[3] = pic[23];
3426 ppc405_dma_init(env, dma_irqs);
3427 /* IIC controller */
3428 ppc405_i2c_init(env, mmio, 0x500, pic[29]);
3430 ppc405_gpio_init(env, mmio, 0x700);
3432 if (serial_hds[0] != NULL) {
3433 ppc405_serial_init(env, mmio, 0x300, pic[31], serial_hds[0]);
3435 if (serial_hds[1] != NULL) {
3436 ppc405_serial_init(env, mmio, 0x400, pic[30], serial_hds[1]);
3439 ppc405_ocm_init(env, ram_sizes[0] + ram_sizes[1]);
3442 gpt_irqs[0] = pic[12];
3443 gpt_irqs[1] = pic[11];
3444 gpt_irqs[2] = pic[10];
3445 gpt_irqs[3] = pic[9];
3446 gpt_irqs[4] = pic[8];
3447 ppc4xx_gpt_init(env, mmio, 0x000, gpt_irqs);
3449 /* Uses pic[28], pic[15], pic[13] */
3451 mal_irqs[0] = pic[20];
3452 mal_irqs[1] = pic[19];
3453 mal_irqs[2] = pic[18];
3454 mal_irqs[3] = pic[17];
3455 ppc405_mal_init(env, mal_irqs);
3457 /* Uses pic[22], pic[16], pic[14] */
3459 ppc405ep_cpc_init(env, clk_setup, sysclk);