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 qemu_register_reset(&cpu_ppc_reset, env);
55 register_savevm("cpu", 0, 3, cpu_save, cpu_load, env);
56 ppc_find_by_name(cpu_model, &def);
58 cpu_abort(env, "Unable to find PowerPC %s CPU definition\n",
61 cpu_ppc_register(env, def);
62 cpu_clk->cb = NULL; /* We don't care about CPU clock frequency changes */
63 cpu_clk->opaque = env;
64 /* Set time-base frequency to sysclk */
65 tb_clk->cb = ppc_emb_timers_init(env, sysclk);
67 ppc_dcr_init(env, NULL, NULL);
72 ram_addr_t ppc405_set_bootinfo (CPUState *env, ppc4xx_bd_info_t *bd)
77 /* We put the bd structure at the top of memory */
78 bdloc = bd->bi_memsize - sizeof(struct ppc4xx_bd_info_t);
79 stl_raw(phys_ram_base + bdloc + 0x00, bd->bi_memstart);
80 stl_raw(phys_ram_base + bdloc + 0x04, bd->bi_memsize);
81 stl_raw(phys_ram_base + bdloc + 0x08, bd->bi_flashstart);
82 stl_raw(phys_ram_base + bdloc + 0x0C, bd->bi_flashsize);
83 stl_raw(phys_ram_base + bdloc + 0x10, bd->bi_flashoffset);
84 stl_raw(phys_ram_base + bdloc + 0x14, bd->bi_sramstart);
85 stl_raw(phys_ram_base + bdloc + 0x18, bd->bi_sramsize);
86 stl_raw(phys_ram_base + bdloc + 0x1C, bd->bi_bootflags);
87 stl_raw(phys_ram_base + bdloc + 0x20, bd->bi_ipaddr);
88 for (i = 0; i < 6; i++)
89 stb_raw(phys_ram_base + bdloc + 0x24 + i, bd->bi_enetaddr[i]);
90 stw_raw(phys_ram_base + bdloc + 0x2A, bd->bi_ethspeed);
91 stl_raw(phys_ram_base + bdloc + 0x2C, bd->bi_intfreq);
92 stl_raw(phys_ram_base + bdloc + 0x30, bd->bi_busfreq);
93 stl_raw(phys_ram_base + bdloc + 0x34, bd->bi_baudrate);
94 for (i = 0; i < 4; i++)
95 stb_raw(phys_ram_base + bdloc + 0x38 + i, bd->bi_s_version[i]);
96 for (i = 0; i < 32; i++)
97 stb_raw(phys_ram_base + bdloc + 0x3C + i, bd->bi_s_version[i]);
98 stl_raw(phys_ram_base + bdloc + 0x5C, bd->bi_plb_busfreq);
99 stl_raw(phys_ram_base + bdloc + 0x60, bd->bi_pci_busfreq);
100 for (i = 0; i < 6; i++)
101 stb_raw(phys_ram_base + bdloc + 0x64 + i, bd->bi_pci_enetaddr[i]);
103 if (env->spr[SPR_PVR] == CPU_PPC_405EP) {
104 for (i = 0; i < 6; i++)
105 stb_raw(phys_ram_base + bdloc + n++, bd->bi_pci_enetaddr2[i]);
107 stl_raw(phys_ram_base + bdloc + n, bd->bi_opbfreq);
109 for (i = 0; i < 2; i++) {
110 stl_raw(phys_ram_base + bdloc + n, bd->bi_iic_fast[i]);
117 /*****************************************************************************/
118 /* Shared peripherals */
120 /*****************************************************************************/
121 /* Fake device used to map multiple devices in a single memory page */
122 #define MMIO_AREA_BITS 8
123 #define MMIO_AREA_LEN (1 << MMIO_AREA_BITS)
124 #define MMIO_AREA_NB (1 << (TARGET_PAGE_BITS - MMIO_AREA_BITS))
125 #define MMIO_IDX(addr) (((addr) >> MMIO_AREA_BITS) & (MMIO_AREA_NB - 1))
126 struct ppc4xx_mmio_t {
127 target_phys_addr_t base;
128 CPUReadMemoryFunc **mem_read[MMIO_AREA_NB];
129 CPUWriteMemoryFunc **mem_write[MMIO_AREA_NB];
130 void *opaque[MMIO_AREA_NB];
133 static uint32_t unassigned_mmio_readb (void *opaque, target_phys_addr_t addr)
135 #ifdef DEBUG_UNASSIGNED
139 printf("Unassigned mmio read 0x" PADDRX " base " PADDRX "\n",
146 static void unassigned_mmio_writeb (void *opaque,
147 target_phys_addr_t addr, uint32_t val)
149 #ifdef DEBUG_UNASSIGNED
153 printf("Unassigned mmio write 0x" PADDRX " = 0x%x base " PADDRX "\n",
154 addr, val, mmio->base);
158 static CPUReadMemoryFunc *unassigned_mmio_read[3] = {
159 unassigned_mmio_readb,
160 unassigned_mmio_readb,
161 unassigned_mmio_readb,
164 static CPUWriteMemoryFunc *unassigned_mmio_write[3] = {
165 unassigned_mmio_writeb,
166 unassigned_mmio_writeb,
167 unassigned_mmio_writeb,
170 static uint32_t mmio_readlen (ppc4xx_mmio_t *mmio,
171 target_phys_addr_t addr, int len)
173 CPUReadMemoryFunc **mem_read;
177 idx = MMIO_IDX(addr - mmio->base);
178 #if defined(DEBUG_MMIO)
179 printf("%s: mmio %p len %d addr " PADDRX " idx %d\n", __func__,
180 mmio, len, addr, idx);
182 mem_read = mmio->mem_read[idx];
183 ret = (*mem_read[len])(mmio->opaque[idx], addr - mmio->base);
188 static void mmio_writelen (ppc4xx_mmio_t *mmio,
189 target_phys_addr_t addr, uint32_t value, int len)
191 CPUWriteMemoryFunc **mem_write;
194 idx = MMIO_IDX(addr - mmio->base);
195 #if defined(DEBUG_MMIO)
196 printf("%s: mmio %p len %d addr " PADDRX " idx %d value %08x\n", __func__,
197 mmio, len, addr, idx, value);
199 mem_write = mmio->mem_write[idx];
200 (*mem_write[len])(mmio->opaque[idx], addr - mmio->base, value);
203 static uint32_t mmio_readb (void *opaque, target_phys_addr_t addr)
205 #if defined(DEBUG_MMIO)
206 printf("%s: addr " PADDRX "\n", __func__, addr);
209 return mmio_readlen(opaque, addr, 0);
212 static void mmio_writeb (void *opaque,
213 target_phys_addr_t addr, uint32_t value)
215 #if defined(DEBUG_MMIO)
216 printf("%s: addr " PADDRX " val %08x\n", __func__, addr, value);
218 mmio_writelen(opaque, addr, value, 0);
221 static uint32_t mmio_readw (void *opaque, target_phys_addr_t addr)
223 #if defined(DEBUG_MMIO)
224 printf("%s: addr " PADDRX "\n", __func__, addr);
227 return mmio_readlen(opaque, addr, 1);
230 static void mmio_writew (void *opaque,
231 target_phys_addr_t addr, uint32_t value)
233 #if defined(DEBUG_MMIO)
234 printf("%s: addr " PADDRX " val %08x\n", __func__, addr, value);
236 mmio_writelen(opaque, addr, value, 1);
239 static uint32_t mmio_readl (void *opaque, target_phys_addr_t addr)
241 #if defined(DEBUG_MMIO)
242 printf("%s: addr " PADDRX "\n", __func__, addr);
245 return mmio_readlen(opaque, addr, 2);
248 static void mmio_writel (void *opaque,
249 target_phys_addr_t addr, uint32_t value)
251 #if defined(DEBUG_MMIO)
252 printf("%s: addr " PADDRX " val %08x\n", __func__, addr, value);
254 mmio_writelen(opaque, addr, value, 2);
257 static CPUReadMemoryFunc *mmio_read[] = {
263 static CPUWriteMemoryFunc *mmio_write[] = {
269 int ppc4xx_mmio_register (CPUState *env, ppc4xx_mmio_t *mmio,
270 target_phys_addr_t offset, uint32_t len,
271 CPUReadMemoryFunc **mem_read,
272 CPUWriteMemoryFunc **mem_write, void *opaque)
277 if ((offset + len) > TARGET_PAGE_SIZE)
279 idx = MMIO_IDX(offset);
280 end = offset + len - 1;
281 eidx = MMIO_IDX(end);
282 #if defined(DEBUG_MMIO)
283 printf("%s: offset %08x len %08x %08x %d %d\n", __func__, offset, len,
286 for (; idx <= eidx; idx++) {
287 mmio->mem_read[idx] = mem_read;
288 mmio->mem_write[idx] = mem_write;
289 mmio->opaque[idx] = opaque;
295 ppc4xx_mmio_t *ppc4xx_mmio_init (CPUState *env, target_phys_addr_t base)
300 mmio = qemu_mallocz(sizeof(ppc4xx_mmio_t));
303 mmio_memory = cpu_register_io_memory(0, mmio_read, mmio_write, mmio);
304 #if defined(DEBUG_MMIO)
305 printf("%s: %p base %08x len %08x %d\n", __func__,
306 mmio, base, TARGET_PAGE_SIZE, mmio_memory);
308 cpu_register_physical_memory(base, TARGET_PAGE_SIZE, mmio_memory);
309 ppc4xx_mmio_register(env, mmio, 0, TARGET_PAGE_SIZE,
310 unassigned_mmio_read, unassigned_mmio_write,
317 /*****************************************************************************/
318 /* Peripheral local bus arbitrer */
325 typedef struct ppc4xx_plb_t ppc4xx_plb_t;
326 struct ppc4xx_plb_t {
332 static target_ulong dcr_read_plb (void *opaque, int dcrn)
349 /* Avoid gcc warning */
357 static void dcr_write_plb (void *opaque, int dcrn, target_ulong val)
364 /* We don't care about the actual parameters written as
365 * we don't manage any priorities on the bus
367 plb->acr = val & 0xF8000000;
379 static void ppc4xx_plb_reset (void *opaque)
384 plb->acr = 0x00000000;
385 plb->bear = 0x00000000;
386 plb->besr = 0x00000000;
389 void ppc4xx_plb_init (CPUState *env)
393 plb = qemu_mallocz(sizeof(ppc4xx_plb_t));
395 ppc_dcr_register(env, PLB0_ACR, plb, &dcr_read_plb, &dcr_write_plb);
396 ppc_dcr_register(env, PLB0_BEAR, plb, &dcr_read_plb, &dcr_write_plb);
397 ppc_dcr_register(env, PLB0_BESR, plb, &dcr_read_plb, &dcr_write_plb);
398 ppc4xx_plb_reset(plb);
399 qemu_register_reset(ppc4xx_plb_reset, plb);
403 /*****************************************************************************/
404 /* PLB to OPB bridge */
411 typedef struct ppc4xx_pob_t ppc4xx_pob_t;
412 struct ppc4xx_pob_t {
417 static target_ulong dcr_read_pob (void *opaque, int dcrn)
429 ret = pob->besr[dcrn - POB0_BESR0];
432 /* Avoid gcc warning */
440 static void dcr_write_pob (void *opaque, int dcrn, target_ulong val)
452 pob->besr[dcrn - POB0_BESR0] &= ~val;
457 static void ppc4xx_pob_reset (void *opaque)
463 pob->bear = 0x00000000;
464 pob->besr[0] = 0x0000000;
465 pob->besr[1] = 0x0000000;
468 void ppc4xx_pob_init (CPUState *env)
472 pob = qemu_mallocz(sizeof(ppc4xx_pob_t));
474 ppc_dcr_register(env, POB0_BEAR, pob, &dcr_read_pob, &dcr_write_pob);
475 ppc_dcr_register(env, POB0_BESR0, pob, &dcr_read_pob, &dcr_write_pob);
476 ppc_dcr_register(env, POB0_BESR1, pob, &dcr_read_pob, &dcr_write_pob);
477 qemu_register_reset(ppc4xx_pob_reset, pob);
478 ppc4xx_pob_reset(env);
482 /*****************************************************************************/
484 typedef struct ppc4xx_opba_t ppc4xx_opba_t;
485 struct ppc4xx_opba_t {
486 target_phys_addr_t base;
491 static uint32_t opba_readb (void *opaque, target_phys_addr_t addr)
497 printf("%s: addr " PADDRX "\n", __func__, addr);
500 switch (addr - opba->base) {
515 static void opba_writeb (void *opaque,
516 target_phys_addr_t addr, uint32_t value)
521 printf("%s: addr " PADDRX " val %08x\n", __func__, addr, value);
524 switch (addr - opba->base) {
526 opba->cr = value & 0xF8;
529 opba->pr = value & 0xFF;
536 static uint32_t opba_readw (void *opaque, target_phys_addr_t addr)
541 printf("%s: addr " PADDRX "\n", __func__, addr);
543 ret = opba_readb(opaque, addr) << 8;
544 ret |= opba_readb(opaque, addr + 1);
549 static void opba_writew (void *opaque,
550 target_phys_addr_t addr, uint32_t value)
553 printf("%s: addr " PADDRX " val %08x\n", __func__, addr, value);
555 opba_writeb(opaque, addr, value >> 8);
556 opba_writeb(opaque, addr + 1, value);
559 static uint32_t opba_readl (void *opaque, target_phys_addr_t addr)
564 printf("%s: addr " PADDRX "\n", __func__, addr);
566 ret = opba_readb(opaque, addr) << 24;
567 ret |= opba_readb(opaque, addr + 1) << 16;
572 static void opba_writel (void *opaque,
573 target_phys_addr_t addr, uint32_t value)
576 printf("%s: addr " PADDRX " val %08x\n", __func__, addr, value);
578 opba_writeb(opaque, addr, value >> 24);
579 opba_writeb(opaque, addr + 1, value >> 16);
582 static CPUReadMemoryFunc *opba_read[] = {
588 static CPUWriteMemoryFunc *opba_write[] = {
594 static void ppc4xx_opba_reset (void *opaque)
599 opba->cr = 0x00; /* No dynamic priorities - park disabled */
603 void ppc4xx_opba_init (CPUState *env, ppc4xx_mmio_t *mmio,
604 target_phys_addr_t offset)
608 opba = qemu_mallocz(sizeof(ppc4xx_opba_t));
612 printf("%s: offset=" PADDRX "\n", __func__, offset);
614 ppc4xx_mmio_register(env, mmio, offset, 0x002,
615 opba_read, opba_write, opba);
616 qemu_register_reset(ppc4xx_opba_reset, opba);
617 ppc4xx_opba_reset(opba);
621 /*****************************************************************************/
622 /* "Universal" Interrupt controller */
636 #define UIC_MAX_IRQ 32
637 typedef struct ppcuic_t ppcuic_t;
641 uint32_t uicsr; /* Status register */
642 uint32_t uicer; /* Enable register */
643 uint32_t uiccr; /* Critical register */
644 uint32_t uicpr; /* Polarity register */
645 uint32_t uictr; /* Triggering register */
646 uint32_t uicvcr; /* Vector configuration register */
651 static void ppcuic_trigger_irq (ppcuic_t *uic)
654 int start, end, inc, i;
656 /* Trigger interrupt if any is pending */
657 ir = uic->uicsr & uic->uicer & (~uic->uiccr);
658 cr = uic->uicsr & uic->uicer & uic->uiccr;
660 if (loglevel & CPU_LOG_INT) {
661 fprintf(logfile, "%s: uicsr %08x uicer %08x uiccr %08x\n"
662 " %08x ir %08x cr %08x\n", __func__,
663 uic->uicsr, uic->uicer, uic->uiccr,
664 uic->uicsr & uic->uicer, ir, cr);
667 if (ir != 0x0000000) {
669 if (loglevel & CPU_LOG_INT) {
670 fprintf(logfile, "Raise UIC interrupt\n");
673 qemu_irq_raise(uic->irqs[PPCUIC_OUTPUT_INT]);
676 if (loglevel & CPU_LOG_INT) {
677 fprintf(logfile, "Lower UIC interrupt\n");
680 qemu_irq_lower(uic->irqs[PPCUIC_OUTPUT_INT]);
682 /* Trigger critical interrupt if any is pending and update vector */
683 if (cr != 0x0000000) {
684 qemu_irq_raise(uic->irqs[PPCUIC_OUTPUT_CINT]);
685 if (uic->use_vectors) {
686 /* Compute critical IRQ vector */
687 if (uic->uicvcr & 1) {
696 uic->uicvr = uic->uicvcr & 0xFFFFFFFC;
697 for (i = start; i <= end; i += inc) {
699 uic->uicvr += (i - start) * 512 * inc;
705 if (loglevel & CPU_LOG_INT) {
706 fprintf(logfile, "Raise UIC critical interrupt - vector %08x\n",
712 if (loglevel & CPU_LOG_INT) {
713 fprintf(logfile, "Lower UIC critical interrupt\n");
716 qemu_irq_lower(uic->irqs[PPCUIC_OUTPUT_CINT]);
717 uic->uicvr = 0x00000000;
721 static void ppcuic_set_irq (void *opaque, int irq_num, int level)
729 if (loglevel & CPU_LOG_INT) {
730 fprintf(logfile, "%s: irq %d level %d uicsr %08x mask %08x => %08x "
731 "%08x\n", __func__, irq_num, level,
732 uic->uicsr, mask, uic->uicsr & mask, level << irq_num);
735 if (irq_num < 0 || irq_num > 31)
738 if (!(uic->uicpr & mask)) {
739 /* Negatively asserted IRQ */
740 level = level == 0 ? 1 : 0;
742 /* Update status register */
743 if (uic->uictr & mask) {
744 /* Edge sensitive interrupt */
748 /* Level sensitive interrupt */
755 if (loglevel & CPU_LOG_INT) {
756 fprintf(logfile, "%s: irq %d level %d sr %08x => %08x\n", __func__,
757 irq_num, level, uic->uicsr, sr);
760 if (sr != uic->uicsr)
761 ppcuic_trigger_irq(uic);
764 static target_ulong dcr_read_uic (void *opaque, int dcrn)
770 dcrn -= uic->dcr_base;
789 ret = uic->uicsr & uic->uicer;
792 if (!uic->use_vectors)
797 if (!uic->use_vectors)
810 static void dcr_write_uic (void *opaque, int dcrn, target_ulong val)
815 dcrn -= uic->dcr_base;
817 if (loglevel & CPU_LOG_INT) {
818 fprintf(logfile, "%s: dcr %d val " ADDRX "\n", __func__, dcrn, val);
824 ppcuic_trigger_irq(uic);
828 ppcuic_trigger_irq(uic);
832 ppcuic_trigger_irq(uic);
836 ppcuic_trigger_irq(uic);
840 ppcuic_trigger_irq(uic);
844 ppcuic_trigger_irq(uic);
851 uic->uicvcr = val & 0xFFFFFFFD;
852 ppcuic_trigger_irq(uic);
857 static void ppcuic_reset (void *opaque)
862 uic->uiccr = 0x00000000;
863 uic->uicer = 0x00000000;
864 uic->uicpr = 0x00000000;
865 uic->uicsr = 0x00000000;
866 uic->uictr = 0x00000000;
867 if (uic->use_vectors) {
868 uic->uicvcr = 0x00000000;
869 uic->uicvr = 0x0000000;
873 qemu_irq *ppcuic_init (CPUState *env, qemu_irq *irqs,
874 uint32_t dcr_base, int has_ssr, int has_vr)
879 uic = qemu_mallocz(sizeof(ppcuic_t));
881 uic->dcr_base = dcr_base;
884 uic->use_vectors = 1;
885 for (i = 0; i < DCR_UICMAX; i++) {
886 ppc_dcr_register(env, dcr_base + i, uic,
887 &dcr_read_uic, &dcr_write_uic);
889 qemu_register_reset(ppcuic_reset, uic);
893 return qemu_allocate_irqs(&ppcuic_set_irq, uic, UIC_MAX_IRQ);
896 /*****************************************************************************/
897 /* Code decompression controller */
900 /*****************************************************************************/
901 /* SDRAM controller */
902 typedef struct ppc4xx_sdram_t ppc4xx_sdram_t;
903 struct ppc4xx_sdram_t {
906 target_phys_addr_t ram_bases[4];
907 target_phys_addr_t ram_sizes[4];
923 SDRAM0_CFGADDR = 0x010,
924 SDRAM0_CFGDATA = 0x011,
927 static uint32_t sdram_bcr (target_phys_addr_t ram_base,
928 target_phys_addr_t ram_size)
933 case (4 * 1024 * 1024):
936 case (8 * 1024 * 1024):
939 case (16 * 1024 * 1024):
942 case (32 * 1024 * 1024):
945 case (64 * 1024 * 1024):
948 case (128 * 1024 * 1024):
951 case (256 * 1024 * 1024):
955 printf("%s: invalid RAM size " TARGET_FMT_ld "\n", __func__, ram_size);
958 bcr |= ram_base & 0xFF800000;
964 static inline target_phys_addr_t sdram_base (uint32_t bcr)
966 return bcr & 0xFF800000;
969 static target_ulong sdram_size (uint32_t bcr)
974 sh = (bcr >> 17) & 0x7;
978 size = (4 * 1024 * 1024) << sh;
983 static void sdram_set_bcr (uint32_t *bcrp, uint32_t bcr, int enabled)
985 if (*bcrp & 0x00000001) {
988 printf("%s: unmap RAM area " ADDRX " " ADDRX "\n", __func__,
989 sdram_base(*bcrp), sdram_size(*bcrp));
991 cpu_register_physical_memory(sdram_base(*bcrp), sdram_size(*bcrp),
994 *bcrp = bcr & 0xFFDEE001;
995 if (enabled && (bcr & 0x00000001)) {
997 printf("%s: Map RAM area " ADDRX " " ADDRX "\n", __func__,
998 sdram_base(bcr), sdram_size(bcr));
1000 cpu_register_physical_memory(sdram_base(bcr), sdram_size(bcr),
1001 sdram_base(bcr) | IO_MEM_RAM);
1005 static void sdram_map_bcr (ppc4xx_sdram_t *sdram)
1009 for (i = 0; i < sdram->nbanks; i++) {
1010 if (sdram->ram_sizes[i] != 0) {
1011 sdram_set_bcr(&sdram->bcr[i],
1012 sdram_bcr(sdram->ram_bases[i], sdram->ram_sizes[i]),
1015 sdram_set_bcr(&sdram->bcr[i], 0x00000000, 0);
1020 static void sdram_unmap_bcr (ppc4xx_sdram_t *sdram)
1024 for (i = 0; i < sdram->nbanks; i++) {
1026 printf("%s: Unmap RAM area " ADDRX " " ADDRX "\n", __func__,
1027 sdram_base(sdram->bcr[i]), sdram_size(sdram->bcr[i]));
1029 cpu_register_physical_memory(sdram_base(sdram->bcr[i]),
1030 sdram_size(sdram->bcr[i]),
1035 static target_ulong dcr_read_sdram (void *opaque, int dcrn)
1037 ppc4xx_sdram_t *sdram;
1042 case SDRAM0_CFGADDR:
1045 case SDRAM0_CFGDATA:
1046 switch (sdram->addr) {
1047 case 0x00: /* SDRAM_BESR0 */
1050 case 0x08: /* SDRAM_BESR1 */
1053 case 0x10: /* SDRAM_BEAR */
1056 case 0x20: /* SDRAM_CFG */
1059 case 0x24: /* SDRAM_STATUS */
1060 ret = sdram->status;
1062 case 0x30: /* SDRAM_RTR */
1065 case 0x34: /* SDRAM_PMIT */
1068 case 0x40: /* SDRAM_B0CR */
1069 ret = sdram->bcr[0];
1071 case 0x44: /* SDRAM_B1CR */
1072 ret = sdram->bcr[1];
1074 case 0x48: /* SDRAM_B2CR */
1075 ret = sdram->bcr[2];
1077 case 0x4C: /* SDRAM_B3CR */
1078 ret = sdram->bcr[3];
1080 case 0x80: /* SDRAM_TR */
1083 case 0x94: /* SDRAM_ECCCFG */
1084 ret = sdram->ecccfg;
1086 case 0x98: /* SDRAM_ECCESR */
1087 ret = sdram->eccesr;
1089 default: /* Error */
1095 /* Avoid gcc warning */
1103 static void dcr_write_sdram (void *opaque, int dcrn, target_ulong val)
1105 ppc4xx_sdram_t *sdram;
1109 case SDRAM0_CFGADDR:
1112 case SDRAM0_CFGDATA:
1113 switch (sdram->addr) {
1114 case 0x00: /* SDRAM_BESR0 */
1115 sdram->besr0 &= ~val;
1117 case 0x08: /* SDRAM_BESR1 */
1118 sdram->besr1 &= ~val;
1120 case 0x10: /* SDRAM_BEAR */
1123 case 0x20: /* SDRAM_CFG */
1125 if (!(sdram->cfg & 0x80000000) && (val & 0x80000000)) {
1127 printf("%s: enable SDRAM controller\n", __func__);
1129 /* validate all RAM mappings */
1130 sdram_map_bcr(sdram);
1131 sdram->status &= ~0x80000000;
1132 } else if ((sdram->cfg & 0x80000000) && !(val & 0x80000000)) {
1134 printf("%s: disable SDRAM controller\n", __func__);
1136 /* invalidate all RAM mappings */
1137 sdram_unmap_bcr(sdram);
1138 sdram->status |= 0x80000000;
1140 if (!(sdram->cfg & 0x40000000) && (val & 0x40000000))
1141 sdram->status |= 0x40000000;
1142 else if ((sdram->cfg & 0x40000000) && !(val & 0x40000000))
1143 sdram->status &= ~0x40000000;
1146 case 0x24: /* SDRAM_STATUS */
1147 /* Read-only register */
1149 case 0x30: /* SDRAM_RTR */
1150 sdram->rtr = val & 0x3FF80000;
1152 case 0x34: /* SDRAM_PMIT */
1153 sdram->pmit = (val & 0xF8000000) | 0x07C00000;
1155 case 0x40: /* SDRAM_B0CR */
1156 sdram_set_bcr(&sdram->bcr[0], val, sdram->cfg & 0x80000000);
1158 case 0x44: /* SDRAM_B1CR */
1159 sdram_set_bcr(&sdram->bcr[1], val, sdram->cfg & 0x80000000);
1161 case 0x48: /* SDRAM_B2CR */
1162 sdram_set_bcr(&sdram->bcr[2], val, sdram->cfg & 0x80000000);
1164 case 0x4C: /* SDRAM_B3CR */
1165 sdram_set_bcr(&sdram->bcr[3], val, sdram->cfg & 0x80000000);
1167 case 0x80: /* SDRAM_TR */
1168 sdram->tr = val & 0x018FC01F;
1170 case 0x94: /* SDRAM_ECCCFG */
1171 sdram->ecccfg = val & 0x00F00000;
1173 case 0x98: /* SDRAM_ECCESR */
1175 if (sdram->eccesr == 0 && val != 0)
1176 qemu_irq_raise(sdram->irq);
1177 else if (sdram->eccesr != 0 && val == 0)
1178 qemu_irq_lower(sdram->irq);
1179 sdram->eccesr = val;
1181 default: /* Error */
1188 static void sdram_reset (void *opaque)
1190 ppc4xx_sdram_t *sdram;
1193 sdram->addr = 0x00000000;
1194 sdram->bear = 0x00000000;
1195 sdram->besr0 = 0x00000000; /* No error */
1196 sdram->besr1 = 0x00000000; /* No error */
1197 sdram->cfg = 0x00000000;
1198 sdram->ecccfg = 0x00000000; /* No ECC */
1199 sdram->eccesr = 0x00000000; /* No error */
1200 sdram->pmit = 0x07C00000;
1201 sdram->rtr = 0x05F00000;
1202 sdram->tr = 0x00854009;
1203 /* We pre-initialize RAM banks */
1204 sdram->status = 0x00000000;
1205 sdram->cfg = 0x00800000;
1206 sdram_unmap_bcr(sdram);
1209 void ppc405_sdram_init (CPUState *env, qemu_irq irq, int nbanks,
1210 target_phys_addr_t *ram_bases,
1211 target_phys_addr_t *ram_sizes,
1214 ppc4xx_sdram_t *sdram;
1216 sdram = qemu_mallocz(sizeof(ppc4xx_sdram_t));
1217 if (sdram != NULL) {
1219 sdram->nbanks = nbanks;
1220 memset(sdram->ram_bases, 0, 4 * sizeof(target_phys_addr_t));
1221 memcpy(sdram->ram_bases, ram_bases,
1222 nbanks * sizeof(target_phys_addr_t));
1223 memset(sdram->ram_sizes, 0, 4 * sizeof(target_phys_addr_t));
1224 memcpy(sdram->ram_sizes, ram_sizes,
1225 nbanks * sizeof(target_phys_addr_t));
1227 qemu_register_reset(&sdram_reset, sdram);
1228 ppc_dcr_register(env, SDRAM0_CFGADDR,
1229 sdram, &dcr_read_sdram, &dcr_write_sdram);
1230 ppc_dcr_register(env, SDRAM0_CFGDATA,
1231 sdram, &dcr_read_sdram, &dcr_write_sdram);
1233 sdram_map_bcr(sdram);
1237 /*****************************************************************************/
1238 /* Peripheral controller */
1239 typedef struct ppc4xx_ebc_t ppc4xx_ebc_t;
1240 struct ppc4xx_ebc_t {
1251 EBC0_CFGADDR = 0x012,
1252 EBC0_CFGDATA = 0x013,
1255 static target_ulong dcr_read_ebc (void *opaque, int dcrn)
1266 switch (ebc->addr) {
1267 case 0x00: /* B0CR */
1270 case 0x01: /* B1CR */
1273 case 0x02: /* B2CR */
1276 case 0x03: /* B3CR */
1279 case 0x04: /* B4CR */
1282 case 0x05: /* B5CR */
1285 case 0x06: /* B6CR */
1288 case 0x07: /* B7CR */
1291 case 0x10: /* B0AP */
1294 case 0x11: /* B1AP */
1297 case 0x12: /* B2AP */
1300 case 0x13: /* B3AP */
1303 case 0x14: /* B4AP */
1306 case 0x15: /* B5AP */
1309 case 0x16: /* B6AP */
1312 case 0x17: /* B7AP */
1315 case 0x20: /* BEAR */
1318 case 0x21: /* BESR0 */
1321 case 0x22: /* BESR1 */
1324 case 0x23: /* CFG */
1339 static void dcr_write_ebc (void *opaque, int dcrn, target_ulong val)
1349 switch (ebc->addr) {
1350 case 0x00: /* B0CR */
1352 case 0x01: /* B1CR */
1354 case 0x02: /* B2CR */
1356 case 0x03: /* B3CR */
1358 case 0x04: /* B4CR */
1360 case 0x05: /* B5CR */
1362 case 0x06: /* B6CR */
1364 case 0x07: /* B7CR */
1366 case 0x10: /* B0AP */
1368 case 0x11: /* B1AP */
1370 case 0x12: /* B2AP */
1372 case 0x13: /* B3AP */
1374 case 0x14: /* B4AP */
1376 case 0x15: /* B5AP */
1378 case 0x16: /* B6AP */
1380 case 0x17: /* B7AP */
1382 case 0x20: /* BEAR */
1384 case 0x21: /* BESR0 */
1386 case 0x22: /* BESR1 */
1388 case 0x23: /* CFG */
1399 static void ebc_reset (void *opaque)
1405 ebc->addr = 0x00000000;
1406 ebc->bap[0] = 0x7F8FFE80;
1407 ebc->bcr[0] = 0xFFE28000;
1408 for (i = 0; i < 8; i++) {
1409 ebc->bap[i] = 0x00000000;
1410 ebc->bcr[i] = 0x00000000;
1412 ebc->besr0 = 0x00000000;
1413 ebc->besr1 = 0x00000000;
1414 ebc->cfg = 0x80400000;
1417 void ppc405_ebc_init (CPUState *env)
1421 ebc = qemu_mallocz(sizeof(ppc4xx_ebc_t));
1424 qemu_register_reset(&ebc_reset, ebc);
1425 ppc_dcr_register(env, EBC0_CFGADDR,
1426 ebc, &dcr_read_ebc, &dcr_write_ebc);
1427 ppc_dcr_register(env, EBC0_CFGDATA,
1428 ebc, &dcr_read_ebc, &dcr_write_ebc);
1432 /*****************************************************************************/
1433 /* DMA controller */
1461 typedef struct ppc405_dma_t ppc405_dma_t;
1462 struct ppc405_dma_t {
1475 static target_ulong dcr_read_dma (void *opaque, int dcrn)
1484 static void dcr_write_dma (void *opaque, int dcrn, target_ulong val)
1491 static void ppc405_dma_reset (void *opaque)
1497 for (i = 0; i < 4; i++) {
1498 dma->cr[i] = 0x00000000;
1499 dma->ct[i] = 0x00000000;
1500 dma->da[i] = 0x00000000;
1501 dma->sa[i] = 0x00000000;
1502 dma->sg[i] = 0x00000000;
1504 dma->sr = 0x00000000;
1505 dma->sgc = 0x00000000;
1506 dma->slp = 0x7C000000;
1507 dma->pol = 0x00000000;
1510 void ppc405_dma_init (CPUState *env, qemu_irq irqs[4])
1514 dma = qemu_mallocz(sizeof(ppc405_dma_t));
1516 memcpy(dma->irqs, irqs, 4 * sizeof(qemu_irq));
1517 ppc405_dma_reset(dma);
1518 qemu_register_reset(&ppc405_dma_reset, dma);
1519 ppc_dcr_register(env, DMA0_CR0,
1520 dma, &dcr_read_dma, &dcr_write_dma);
1521 ppc_dcr_register(env, DMA0_CT0,
1522 dma, &dcr_read_dma, &dcr_write_dma);
1523 ppc_dcr_register(env, DMA0_DA0,
1524 dma, &dcr_read_dma, &dcr_write_dma);
1525 ppc_dcr_register(env, DMA0_SA0,
1526 dma, &dcr_read_dma, &dcr_write_dma);
1527 ppc_dcr_register(env, DMA0_SG0,
1528 dma, &dcr_read_dma, &dcr_write_dma);
1529 ppc_dcr_register(env, DMA0_CR1,
1530 dma, &dcr_read_dma, &dcr_write_dma);
1531 ppc_dcr_register(env, DMA0_CT1,
1532 dma, &dcr_read_dma, &dcr_write_dma);
1533 ppc_dcr_register(env, DMA0_DA1,
1534 dma, &dcr_read_dma, &dcr_write_dma);
1535 ppc_dcr_register(env, DMA0_SA1,
1536 dma, &dcr_read_dma, &dcr_write_dma);
1537 ppc_dcr_register(env, DMA0_SG1,
1538 dma, &dcr_read_dma, &dcr_write_dma);
1539 ppc_dcr_register(env, DMA0_CR2,
1540 dma, &dcr_read_dma, &dcr_write_dma);
1541 ppc_dcr_register(env, DMA0_CT2,
1542 dma, &dcr_read_dma, &dcr_write_dma);
1543 ppc_dcr_register(env, DMA0_DA2,
1544 dma, &dcr_read_dma, &dcr_write_dma);
1545 ppc_dcr_register(env, DMA0_SA2,
1546 dma, &dcr_read_dma, &dcr_write_dma);
1547 ppc_dcr_register(env, DMA0_SG2,
1548 dma, &dcr_read_dma, &dcr_write_dma);
1549 ppc_dcr_register(env, DMA0_CR3,
1550 dma, &dcr_read_dma, &dcr_write_dma);
1551 ppc_dcr_register(env, DMA0_CT3,
1552 dma, &dcr_read_dma, &dcr_write_dma);
1553 ppc_dcr_register(env, DMA0_DA3,
1554 dma, &dcr_read_dma, &dcr_write_dma);
1555 ppc_dcr_register(env, DMA0_SA3,
1556 dma, &dcr_read_dma, &dcr_write_dma);
1557 ppc_dcr_register(env, DMA0_SG3,
1558 dma, &dcr_read_dma, &dcr_write_dma);
1559 ppc_dcr_register(env, DMA0_SR,
1560 dma, &dcr_read_dma, &dcr_write_dma);
1561 ppc_dcr_register(env, DMA0_SGC,
1562 dma, &dcr_read_dma, &dcr_write_dma);
1563 ppc_dcr_register(env, DMA0_SLP,
1564 dma, &dcr_read_dma, &dcr_write_dma);
1565 ppc_dcr_register(env, DMA0_POL,
1566 dma, &dcr_read_dma, &dcr_write_dma);
1570 /*****************************************************************************/
1572 typedef struct ppc405_gpio_t ppc405_gpio_t;
1573 struct ppc405_gpio_t {
1574 target_phys_addr_t base;
1588 static uint32_t ppc405_gpio_readb (void *opaque, target_phys_addr_t addr)
1590 ppc405_gpio_t *gpio;
1594 printf("%s: addr " PADDRX "\n", __func__, addr);
1600 static void ppc405_gpio_writeb (void *opaque,
1601 target_phys_addr_t addr, uint32_t value)
1603 ppc405_gpio_t *gpio;
1607 printf("%s: addr " PADDRX " val %08x\n", __func__, addr, value);
1611 static uint32_t ppc405_gpio_readw (void *opaque, target_phys_addr_t addr)
1613 ppc405_gpio_t *gpio;
1617 printf("%s: addr " PADDRX "\n", __func__, addr);
1623 static void ppc405_gpio_writew (void *opaque,
1624 target_phys_addr_t addr, uint32_t value)
1626 ppc405_gpio_t *gpio;
1630 printf("%s: addr " PADDRX " val %08x\n", __func__, addr, value);
1634 static uint32_t ppc405_gpio_readl (void *opaque, target_phys_addr_t addr)
1636 ppc405_gpio_t *gpio;
1640 printf("%s: addr " PADDRX "\n", __func__, addr);
1646 static void ppc405_gpio_writel (void *opaque,
1647 target_phys_addr_t addr, uint32_t value)
1649 ppc405_gpio_t *gpio;
1653 printf("%s: addr " PADDRX " val %08x\n", __func__, addr, value);
1657 static CPUReadMemoryFunc *ppc405_gpio_read[] = {
1663 static CPUWriteMemoryFunc *ppc405_gpio_write[] = {
1664 &ppc405_gpio_writeb,
1665 &ppc405_gpio_writew,
1666 &ppc405_gpio_writel,
1669 static void ppc405_gpio_reset (void *opaque)
1671 ppc405_gpio_t *gpio;
1676 void ppc405_gpio_init (CPUState *env, ppc4xx_mmio_t *mmio,
1677 target_phys_addr_t offset)
1679 ppc405_gpio_t *gpio;
1681 gpio = qemu_mallocz(sizeof(ppc405_gpio_t));
1683 gpio->base = offset;
1684 ppc405_gpio_reset(gpio);
1685 qemu_register_reset(&ppc405_gpio_reset, gpio);
1687 printf("%s: offset=" PADDRX "\n", __func__, offset);
1689 ppc4xx_mmio_register(env, mmio, offset, 0x038,
1690 ppc405_gpio_read, ppc405_gpio_write, gpio);
1694 /*****************************************************************************/
1696 static CPUReadMemoryFunc *serial_mm_read[] = {
1702 static CPUWriteMemoryFunc *serial_mm_write[] = {
1708 void ppc405_serial_init (CPUState *env, ppc4xx_mmio_t *mmio,
1709 target_phys_addr_t offset, qemu_irq irq,
1710 CharDriverState *chr)
1715 printf("%s: offset=" PADDRX "\n", __func__, offset);
1717 serial = serial_mm_init(offset, 0, irq, chr, 0);
1718 ppc4xx_mmio_register(env, mmio, offset, 0x008,
1719 serial_mm_read, serial_mm_write, serial);
1722 /*****************************************************************************/
1723 /* On Chip Memory */
1726 OCM0_ISACNTL = 0x019,
1728 OCM0_DSACNTL = 0x01B,
1731 typedef struct ppc405_ocm_t ppc405_ocm_t;
1732 struct ppc405_ocm_t {
1733 target_ulong offset;
1740 static void ocm_update_mappings (ppc405_ocm_t *ocm,
1741 uint32_t isarc, uint32_t isacntl,
1742 uint32_t dsarc, uint32_t dsacntl)
1745 printf("OCM update ISA %08x %08x (%08x %08x) DSA %08x %08x (%08x %08x)\n",
1746 isarc, isacntl, dsarc, dsacntl,
1747 ocm->isarc, ocm->isacntl, ocm->dsarc, ocm->dsacntl);
1749 if (ocm->isarc != isarc ||
1750 (ocm->isacntl & 0x80000000) != (isacntl & 0x80000000)) {
1751 if (ocm->isacntl & 0x80000000) {
1752 /* Unmap previously assigned memory region */
1753 printf("OCM unmap ISA %08x\n", ocm->isarc);
1754 cpu_register_physical_memory(ocm->isarc, 0x04000000,
1757 if (isacntl & 0x80000000) {
1758 /* Map new instruction memory region */
1760 printf("OCM map ISA %08x\n", isarc);
1762 cpu_register_physical_memory(isarc, 0x04000000,
1763 ocm->offset | IO_MEM_RAM);
1766 if (ocm->dsarc != dsarc ||
1767 (ocm->dsacntl & 0x80000000) != (dsacntl & 0x80000000)) {
1768 if (ocm->dsacntl & 0x80000000) {
1769 /* Beware not to unmap the region we just mapped */
1770 if (!(isacntl & 0x80000000) || ocm->dsarc != isarc) {
1771 /* Unmap previously assigned memory region */
1773 printf("OCM unmap DSA %08x\n", ocm->dsarc);
1775 cpu_register_physical_memory(ocm->dsarc, 0x04000000,
1779 if (dsacntl & 0x80000000) {
1780 /* Beware not to remap the region we just mapped */
1781 if (!(isacntl & 0x80000000) || dsarc != isarc) {
1782 /* Map new data memory region */
1784 printf("OCM map DSA %08x\n", dsarc);
1786 cpu_register_physical_memory(dsarc, 0x04000000,
1787 ocm->offset | IO_MEM_RAM);
1793 static target_ulong dcr_read_ocm (void *opaque, int dcrn)
1820 static void dcr_write_ocm (void *opaque, int dcrn, target_ulong val)
1823 uint32_t isarc, dsarc, isacntl, dsacntl;
1828 isacntl = ocm->isacntl;
1829 dsacntl = ocm->dsacntl;
1832 isarc = val & 0xFC000000;
1835 isacntl = val & 0xC0000000;
1838 isarc = val & 0xFC000000;
1841 isacntl = val & 0xC0000000;
1844 ocm_update_mappings(ocm, isarc, isacntl, dsarc, dsacntl);
1847 ocm->isacntl = isacntl;
1848 ocm->dsacntl = dsacntl;
1851 static void ocm_reset (void *opaque)
1854 uint32_t isarc, dsarc, isacntl, dsacntl;
1858 isacntl = 0x00000000;
1860 dsacntl = 0x00000000;
1861 ocm_update_mappings(ocm, isarc, isacntl, dsarc, dsacntl);
1864 ocm->isacntl = isacntl;
1865 ocm->dsacntl = dsacntl;
1868 void ppc405_ocm_init (CPUState *env, unsigned long offset)
1872 ocm = qemu_mallocz(sizeof(ppc405_ocm_t));
1874 ocm->offset = offset;
1876 qemu_register_reset(&ocm_reset, ocm);
1877 ppc_dcr_register(env, OCM0_ISARC,
1878 ocm, &dcr_read_ocm, &dcr_write_ocm);
1879 ppc_dcr_register(env, OCM0_ISACNTL,
1880 ocm, &dcr_read_ocm, &dcr_write_ocm);
1881 ppc_dcr_register(env, OCM0_DSARC,
1882 ocm, &dcr_read_ocm, &dcr_write_ocm);
1883 ppc_dcr_register(env, OCM0_DSACNTL,
1884 ocm, &dcr_read_ocm, &dcr_write_ocm);
1888 /*****************************************************************************/
1889 /* I2C controller */
1890 typedef struct ppc4xx_i2c_t ppc4xx_i2c_t;
1891 struct ppc4xx_i2c_t {
1892 target_phys_addr_t base;
1911 static uint32_t ppc4xx_i2c_readb (void *opaque, target_phys_addr_t addr)
1917 printf("%s: addr " PADDRX "\n", __func__, addr);
1920 switch (addr - i2c->base) {
1922 // i2c_readbyte(&i2c->mdata);
1962 ret = i2c->xtcntlss;
1965 ret = i2c->directcntl;
1972 printf("%s: addr " PADDRX " %02x\n", __func__, addr, ret);
1978 static void ppc4xx_i2c_writeb (void *opaque,
1979 target_phys_addr_t addr, uint32_t value)
1984 printf("%s: addr " PADDRX " val %08x\n", __func__, addr, value);
1987 switch (addr - i2c->base) {
1990 // i2c_sendbyte(&i2c->mdata);
2005 i2c->mdcntl = value & 0xDF;
2008 i2c->sts &= ~(value & 0x0A);
2011 i2c->extsts &= ~(value & 0x8F);
2020 i2c->clkdiv = value;
2023 i2c->intrmsk = value;
2026 i2c->xfrcnt = value & 0x77;
2029 i2c->xtcntlss = value;
2032 i2c->directcntl = value & 0x7;
2037 static uint32_t ppc4xx_i2c_readw (void *opaque, target_phys_addr_t addr)
2042 printf("%s: addr " PADDRX "\n", __func__, addr);
2044 ret = ppc4xx_i2c_readb(opaque, addr) << 8;
2045 ret |= ppc4xx_i2c_readb(opaque, addr + 1);
2050 static void ppc4xx_i2c_writew (void *opaque,
2051 target_phys_addr_t addr, uint32_t value)
2054 printf("%s: addr " PADDRX " val %08x\n", __func__, addr, value);
2056 ppc4xx_i2c_writeb(opaque, addr, value >> 8);
2057 ppc4xx_i2c_writeb(opaque, addr + 1, value);
2060 static uint32_t ppc4xx_i2c_readl (void *opaque, target_phys_addr_t addr)
2065 printf("%s: addr " PADDRX "\n", __func__, addr);
2067 ret = ppc4xx_i2c_readb(opaque, addr) << 24;
2068 ret |= ppc4xx_i2c_readb(opaque, addr + 1) << 16;
2069 ret |= ppc4xx_i2c_readb(opaque, addr + 2) << 8;
2070 ret |= ppc4xx_i2c_readb(opaque, addr + 3);
2075 static void ppc4xx_i2c_writel (void *opaque,
2076 target_phys_addr_t addr, uint32_t value)
2079 printf("%s: addr " PADDRX " val %08x\n", __func__, addr, value);
2081 ppc4xx_i2c_writeb(opaque, addr, value >> 24);
2082 ppc4xx_i2c_writeb(opaque, addr + 1, value >> 16);
2083 ppc4xx_i2c_writeb(opaque, addr + 2, value >> 8);
2084 ppc4xx_i2c_writeb(opaque, addr + 3, value);
2087 static CPUReadMemoryFunc *i2c_read[] = {
2093 static CPUWriteMemoryFunc *i2c_write[] = {
2099 static void ppc4xx_i2c_reset (void *opaque)
2112 i2c->directcntl = 0x0F;
2115 void ppc405_i2c_init (CPUState *env, ppc4xx_mmio_t *mmio,
2116 target_phys_addr_t offset, qemu_irq irq)
2120 i2c = qemu_mallocz(sizeof(ppc4xx_i2c_t));
2124 ppc4xx_i2c_reset(i2c);
2126 printf("%s: offset=" PADDRX "\n", __func__, offset);
2128 ppc4xx_mmio_register(env, mmio, offset, 0x011,
2129 i2c_read, i2c_write, i2c);
2130 qemu_register_reset(ppc4xx_i2c_reset, i2c);
2134 /*****************************************************************************/
2135 /* General purpose timers */
2136 typedef struct ppc4xx_gpt_t ppc4xx_gpt_t;
2137 struct ppc4xx_gpt_t {
2138 target_phys_addr_t base;
2141 struct QEMUTimer *timer;
2152 static uint32_t ppc4xx_gpt_readb (void *opaque, target_phys_addr_t addr)
2155 printf("%s: addr " PADDRX "\n", __func__, addr);
2157 /* XXX: generate a bus fault */
2161 static void ppc4xx_gpt_writeb (void *opaque,
2162 target_phys_addr_t addr, uint32_t value)
2165 printf("%s: addr " PADDRX " val %08x\n", __func__, addr, value);
2167 /* XXX: generate a bus fault */
2170 static uint32_t ppc4xx_gpt_readw (void *opaque, target_phys_addr_t addr)
2173 printf("%s: addr " PADDRX "\n", __func__, addr);
2175 /* XXX: generate a bus fault */
2179 static void ppc4xx_gpt_writew (void *opaque,
2180 target_phys_addr_t addr, uint32_t value)
2183 printf("%s: addr " PADDRX " val %08x\n", __func__, addr, value);
2185 /* XXX: generate a bus fault */
2188 static int ppc4xx_gpt_compare (ppc4xx_gpt_t *gpt, int n)
2194 static void ppc4xx_gpt_set_output (ppc4xx_gpt_t *gpt, int n, int level)
2199 static void ppc4xx_gpt_set_outputs (ppc4xx_gpt_t *gpt)
2205 for (i = 0; i < 5; i++) {
2206 if (gpt->oe & mask) {
2207 /* Output is enabled */
2208 if (ppc4xx_gpt_compare(gpt, i)) {
2209 /* Comparison is OK */
2210 ppc4xx_gpt_set_output(gpt, i, gpt->ol & mask);
2212 /* Comparison is KO */
2213 ppc4xx_gpt_set_output(gpt, i, gpt->ol & mask ? 0 : 1);
2220 static void ppc4xx_gpt_set_irqs (ppc4xx_gpt_t *gpt)
2226 for (i = 0; i < 5; i++) {
2227 if (gpt->is & gpt->im & mask)
2228 qemu_irq_raise(gpt->irqs[i]);
2230 qemu_irq_lower(gpt->irqs[i]);
2235 static void ppc4xx_gpt_compute_timer (ppc4xx_gpt_t *gpt)
2240 static uint32_t ppc4xx_gpt_readl (void *opaque, target_phys_addr_t addr)
2247 printf("%s: addr " PADDRX "\n", __func__, addr);
2250 switch (addr - gpt->base) {
2252 /* Time base counter */
2253 ret = muldiv64(qemu_get_clock(vm_clock) + gpt->tb_offset,
2254 gpt->tb_freq, ticks_per_sec);
2265 /* Interrupt mask */
2270 /* Interrupt status */
2274 /* Interrupt enable */
2279 idx = ((addr - gpt->base) - 0x80) >> 2;
2280 ret = gpt->comp[idx];
2284 idx = ((addr - gpt->base) - 0xC0) >> 2;
2285 ret = gpt->mask[idx];
2295 static void ppc4xx_gpt_writel (void *opaque,
2296 target_phys_addr_t addr, uint32_t value)
2302 printf("%s: addr " PADDRX " val %08x\n", __func__, addr, value);
2305 switch (addr - gpt->base) {
2307 /* Time base counter */
2308 gpt->tb_offset = muldiv64(value, ticks_per_sec, gpt->tb_freq)
2309 - qemu_get_clock(vm_clock);
2310 ppc4xx_gpt_compute_timer(gpt);
2314 gpt->oe = value & 0xF8000000;
2315 ppc4xx_gpt_set_outputs(gpt);
2319 gpt->ol = value & 0xF8000000;
2320 ppc4xx_gpt_set_outputs(gpt);
2323 /* Interrupt mask */
2324 gpt->im = value & 0x0000F800;
2327 /* Interrupt status set */
2328 gpt->is |= value & 0x0000F800;
2329 ppc4xx_gpt_set_irqs(gpt);
2332 /* Interrupt status clear */
2333 gpt->is &= ~(value & 0x0000F800);
2334 ppc4xx_gpt_set_irqs(gpt);
2337 /* Interrupt enable */
2338 gpt->ie = value & 0x0000F800;
2339 ppc4xx_gpt_set_irqs(gpt);
2343 idx = ((addr - gpt->base) - 0x80) >> 2;
2344 gpt->comp[idx] = value & 0xF8000000;
2345 ppc4xx_gpt_compute_timer(gpt);
2349 idx = ((addr - gpt->base) - 0xC0) >> 2;
2350 gpt->mask[idx] = value & 0xF8000000;
2351 ppc4xx_gpt_compute_timer(gpt);
2356 static CPUReadMemoryFunc *gpt_read[] = {
2362 static CPUWriteMemoryFunc *gpt_write[] = {
2368 static void ppc4xx_gpt_cb (void *opaque)
2373 ppc4xx_gpt_set_irqs(gpt);
2374 ppc4xx_gpt_set_outputs(gpt);
2375 ppc4xx_gpt_compute_timer(gpt);
2378 static void ppc4xx_gpt_reset (void *opaque)
2384 qemu_del_timer(gpt->timer);
2385 gpt->oe = 0x00000000;
2386 gpt->ol = 0x00000000;
2387 gpt->im = 0x00000000;
2388 gpt->is = 0x00000000;
2389 gpt->ie = 0x00000000;
2390 for (i = 0; i < 5; i++) {
2391 gpt->comp[i] = 0x00000000;
2392 gpt->mask[i] = 0x00000000;
2396 void ppc4xx_gpt_init (CPUState *env, ppc4xx_mmio_t *mmio,
2397 target_phys_addr_t offset, qemu_irq irqs[5])
2402 gpt = qemu_mallocz(sizeof(ppc4xx_gpt_t));
2405 for (i = 0; i < 5; i++)
2406 gpt->irqs[i] = irqs[i];
2407 gpt->timer = qemu_new_timer(vm_clock, &ppc4xx_gpt_cb, gpt);
2408 ppc4xx_gpt_reset(gpt);
2410 printf("%s: offset=" PADDRX "\n", __func__, offset);
2412 ppc4xx_mmio_register(env, mmio, offset, 0x0D4,
2413 gpt_read, gpt_write, gpt);
2414 qemu_register_reset(ppc4xx_gpt_reset, gpt);
2418 /*****************************************************************************/
2424 MAL0_TXCASR = 0x184,
2425 MAL0_TXCARR = 0x185,
2426 MAL0_TXEOBISR = 0x186,
2427 MAL0_TXDEIR = 0x187,
2428 MAL0_RXCASR = 0x190,
2429 MAL0_RXCARR = 0x191,
2430 MAL0_RXEOBISR = 0x192,
2431 MAL0_RXDEIR = 0x193,
2432 MAL0_TXCTP0R = 0x1A0,
2433 MAL0_TXCTP1R = 0x1A1,
2434 MAL0_TXCTP2R = 0x1A2,
2435 MAL0_TXCTP3R = 0x1A3,
2436 MAL0_RXCTP0R = 0x1C0,
2437 MAL0_RXCTP1R = 0x1C1,
2442 typedef struct ppc40x_mal_t ppc40x_mal_t;
2443 struct ppc40x_mal_t {
2461 static void ppc40x_mal_reset (void *opaque);
2463 static target_ulong dcr_read_mal (void *opaque, int dcrn)
2486 ret = mal->txeobisr;
2498 ret = mal->rxeobisr;
2504 ret = mal->txctpr[0];
2507 ret = mal->txctpr[1];
2510 ret = mal->txctpr[2];
2513 ret = mal->txctpr[3];
2516 ret = mal->rxctpr[0];
2519 ret = mal->rxctpr[1];
2535 static void dcr_write_mal (void *opaque, int dcrn, target_ulong val)
2543 if (val & 0x80000000)
2544 ppc40x_mal_reset(mal);
2545 mal->cfg = val & 0x00FFC087;
2552 mal->ier = val & 0x0000001F;
2555 mal->txcasr = val & 0xF0000000;
2558 mal->txcarr = val & 0xF0000000;
2562 mal->txeobisr &= ~val;
2566 mal->txdeir &= ~val;
2569 mal->rxcasr = val & 0xC0000000;
2572 mal->rxcarr = val & 0xC0000000;
2576 mal->rxeobisr &= ~val;
2580 mal->rxdeir &= ~val;
2594 mal->txctpr[idx] = val;
2602 mal->rxctpr[idx] = val;
2606 goto update_rx_size;
2610 mal->rcbs[idx] = val & 0x000000FF;
2615 static void ppc40x_mal_reset (void *opaque)
2620 mal->cfg = 0x0007C000;
2621 mal->esr = 0x00000000;
2622 mal->ier = 0x00000000;
2623 mal->rxcasr = 0x00000000;
2624 mal->rxdeir = 0x00000000;
2625 mal->rxeobisr = 0x00000000;
2626 mal->txcasr = 0x00000000;
2627 mal->txdeir = 0x00000000;
2628 mal->txeobisr = 0x00000000;
2631 void ppc405_mal_init (CPUState *env, qemu_irq irqs[4])
2636 mal = qemu_mallocz(sizeof(ppc40x_mal_t));
2638 for (i = 0; i < 4; i++)
2639 mal->irqs[i] = irqs[i];
2640 ppc40x_mal_reset(mal);
2641 qemu_register_reset(&ppc40x_mal_reset, mal);
2642 ppc_dcr_register(env, MAL0_CFG,
2643 mal, &dcr_read_mal, &dcr_write_mal);
2644 ppc_dcr_register(env, MAL0_ESR,
2645 mal, &dcr_read_mal, &dcr_write_mal);
2646 ppc_dcr_register(env, MAL0_IER,
2647 mal, &dcr_read_mal, &dcr_write_mal);
2648 ppc_dcr_register(env, MAL0_TXCASR,
2649 mal, &dcr_read_mal, &dcr_write_mal);
2650 ppc_dcr_register(env, MAL0_TXCARR,
2651 mal, &dcr_read_mal, &dcr_write_mal);
2652 ppc_dcr_register(env, MAL0_TXEOBISR,
2653 mal, &dcr_read_mal, &dcr_write_mal);
2654 ppc_dcr_register(env, MAL0_TXDEIR,
2655 mal, &dcr_read_mal, &dcr_write_mal);
2656 ppc_dcr_register(env, MAL0_RXCASR,
2657 mal, &dcr_read_mal, &dcr_write_mal);
2658 ppc_dcr_register(env, MAL0_RXCARR,
2659 mal, &dcr_read_mal, &dcr_write_mal);
2660 ppc_dcr_register(env, MAL0_RXEOBISR,
2661 mal, &dcr_read_mal, &dcr_write_mal);
2662 ppc_dcr_register(env, MAL0_RXDEIR,
2663 mal, &dcr_read_mal, &dcr_write_mal);
2664 ppc_dcr_register(env, MAL0_TXCTP0R,
2665 mal, &dcr_read_mal, &dcr_write_mal);
2666 ppc_dcr_register(env, MAL0_TXCTP1R,
2667 mal, &dcr_read_mal, &dcr_write_mal);
2668 ppc_dcr_register(env, MAL0_TXCTP2R,
2669 mal, &dcr_read_mal, &dcr_write_mal);
2670 ppc_dcr_register(env, MAL0_TXCTP3R,
2671 mal, &dcr_read_mal, &dcr_write_mal);
2672 ppc_dcr_register(env, MAL0_RXCTP0R,
2673 mal, &dcr_read_mal, &dcr_write_mal);
2674 ppc_dcr_register(env, MAL0_RXCTP1R,
2675 mal, &dcr_read_mal, &dcr_write_mal);
2676 ppc_dcr_register(env, MAL0_RCBS0,
2677 mal, &dcr_read_mal, &dcr_write_mal);
2678 ppc_dcr_register(env, MAL0_RCBS1,
2679 mal, &dcr_read_mal, &dcr_write_mal);
2683 /*****************************************************************************/
2685 void ppc40x_core_reset (CPUState *env)
2689 printf("Reset PowerPC core\n");
2691 dbsr = env->spr[SPR_40x_DBSR];
2692 dbsr &= ~0x00000300;
2694 env->spr[SPR_40x_DBSR] = dbsr;
2698 void ppc40x_chip_reset (CPUState *env)
2702 printf("Reset PowerPC chip\n");
2704 /* XXX: TODO reset all internal peripherals */
2705 dbsr = env->spr[SPR_40x_DBSR];
2706 dbsr &= ~0x00000300;
2708 env->spr[SPR_40x_DBSR] = dbsr;
2712 void ppc40x_system_reset (CPUState *env)
2714 printf("Reset PowerPC system\n");
2715 qemu_system_reset_request();
2718 void store_40x_dbcr0 (CPUState *env, uint32_t val)
2720 switch ((val >> 28) & 0x3) {
2726 ppc40x_core_reset(env);
2730 ppc40x_chip_reset(env);
2734 ppc40x_system_reset(env);
2739 /*****************************************************************************/
2742 PPC405CR_CPC0_PLLMR = 0x0B0,
2743 PPC405CR_CPC0_CR0 = 0x0B1,
2744 PPC405CR_CPC0_CR1 = 0x0B2,
2745 PPC405CR_CPC0_PSR = 0x0B4,
2746 PPC405CR_CPC0_JTAGID = 0x0B5,
2747 PPC405CR_CPC0_ER = 0x0B9,
2748 PPC405CR_CPC0_FR = 0x0BA,
2749 PPC405CR_CPC0_SR = 0x0BB,
2753 PPC405CR_CPU_CLK = 0,
2754 PPC405CR_TMR_CLK = 1,
2755 PPC405CR_PLB_CLK = 2,
2756 PPC405CR_SDRAM_CLK = 3,
2757 PPC405CR_OPB_CLK = 4,
2758 PPC405CR_EXT_CLK = 5,
2759 PPC405CR_UART_CLK = 6,
2760 PPC405CR_CLK_NB = 7,
2763 typedef struct ppc405cr_cpc_t ppc405cr_cpc_t;
2764 struct ppc405cr_cpc_t {
2765 clk_setup_t clk_setup[PPC405CR_CLK_NB];
2776 static void ppc405cr_clk_setup (ppc405cr_cpc_t *cpc)
2778 uint64_t VCO_out, PLL_out;
2779 uint32_t CPU_clk, TMR_clk, SDRAM_clk, PLB_clk, OPB_clk, EXT_clk, UART_clk;
2782 D0 = ((cpc->pllmr >> 26) & 0x3) + 1; /* CBDV */
2783 if (cpc->pllmr & 0x80000000) {
2784 D1 = (((cpc->pllmr >> 20) - 1) & 0xF) + 1; /* FBDV */
2785 D2 = 8 - ((cpc->pllmr >> 16) & 0x7); /* FWDVA */
2787 VCO_out = cpc->sysclk * M;
2788 if (VCO_out < 400000000 || VCO_out > 800000000) {
2789 /* PLL cannot lock */
2790 cpc->pllmr &= ~0x80000000;
2793 PLL_out = VCO_out / D2;
2798 PLL_out = cpc->sysclk * M;
2801 if (cpc->cr1 & 0x00800000)
2802 TMR_clk = cpc->sysclk; /* Should have a separate clock */
2805 PLB_clk = CPU_clk / D0;
2806 SDRAM_clk = PLB_clk;
2807 D0 = ((cpc->pllmr >> 10) & 0x3) + 1;
2808 OPB_clk = PLB_clk / D0;
2809 D0 = ((cpc->pllmr >> 24) & 0x3) + 2;
2810 EXT_clk = PLB_clk / D0;
2811 D0 = ((cpc->cr0 >> 1) & 0x1F) + 1;
2812 UART_clk = CPU_clk / D0;
2813 /* Setup CPU clocks */
2814 clk_setup(&cpc->clk_setup[PPC405CR_CPU_CLK], CPU_clk);
2815 /* Setup time-base clock */
2816 clk_setup(&cpc->clk_setup[PPC405CR_TMR_CLK], TMR_clk);
2817 /* Setup PLB clock */
2818 clk_setup(&cpc->clk_setup[PPC405CR_PLB_CLK], PLB_clk);
2819 /* Setup SDRAM clock */
2820 clk_setup(&cpc->clk_setup[PPC405CR_SDRAM_CLK], SDRAM_clk);
2821 /* Setup OPB clock */
2822 clk_setup(&cpc->clk_setup[PPC405CR_OPB_CLK], OPB_clk);
2823 /* Setup external clock */
2824 clk_setup(&cpc->clk_setup[PPC405CR_EXT_CLK], EXT_clk);
2825 /* Setup UART clock */
2826 clk_setup(&cpc->clk_setup[PPC405CR_UART_CLK], UART_clk);
2829 static target_ulong dcr_read_crcpc (void *opaque, int dcrn)
2831 ppc405cr_cpc_t *cpc;
2836 case PPC405CR_CPC0_PLLMR:
2839 case PPC405CR_CPC0_CR0:
2842 case PPC405CR_CPC0_CR1:
2845 case PPC405CR_CPC0_PSR:
2848 case PPC405CR_CPC0_JTAGID:
2851 case PPC405CR_CPC0_ER:
2854 case PPC405CR_CPC0_FR:
2857 case PPC405CR_CPC0_SR:
2858 ret = ~(cpc->er | cpc->fr) & 0xFFFF0000;
2861 /* Avoid gcc warning */
2869 static void dcr_write_crcpc (void *opaque, int dcrn, target_ulong val)
2871 ppc405cr_cpc_t *cpc;
2875 case PPC405CR_CPC0_PLLMR:
2876 cpc->pllmr = val & 0xFFF77C3F;
2878 case PPC405CR_CPC0_CR0:
2879 cpc->cr0 = val & 0x0FFFFFFE;
2881 case PPC405CR_CPC0_CR1:
2882 cpc->cr1 = val & 0x00800000;
2884 case PPC405CR_CPC0_PSR:
2887 case PPC405CR_CPC0_JTAGID:
2890 case PPC405CR_CPC0_ER:
2891 cpc->er = val & 0xBFFC0000;
2893 case PPC405CR_CPC0_FR:
2894 cpc->fr = val & 0xBFFC0000;
2896 case PPC405CR_CPC0_SR:
2902 static void ppc405cr_cpc_reset (void *opaque)
2904 ppc405cr_cpc_t *cpc;
2908 /* Compute PLLMR value from PSR settings */
2909 cpc->pllmr = 0x80000000;
2911 switch ((cpc->psr >> 30) & 3) {
2914 cpc->pllmr &= ~0x80000000;
2918 cpc->pllmr |= 5 << 16;
2922 cpc->pllmr |= 4 << 16;
2926 cpc->pllmr |= 2 << 16;
2930 D = (cpc->psr >> 28) & 3;
2931 cpc->pllmr |= (D + 1) << 20;
2933 D = (cpc->psr >> 25) & 7;
2948 D = (cpc->psr >> 23) & 3;
2949 cpc->pllmr |= D << 26;
2951 D = (cpc->psr >> 21) & 3;
2952 cpc->pllmr |= D << 10;
2954 D = (cpc->psr >> 17) & 3;
2955 cpc->pllmr |= D << 24;
2956 cpc->cr0 = 0x0000003C;
2957 cpc->cr1 = 0x2B0D8800;
2958 cpc->er = 0x00000000;
2959 cpc->fr = 0x00000000;
2960 ppc405cr_clk_setup(cpc);
2963 static void ppc405cr_clk_init (ppc405cr_cpc_t *cpc)
2967 /* XXX: this should be read from IO pins */
2968 cpc->psr = 0x00000000; /* 8 bits ROM */
2970 D = 0x2; /* Divide by 4 */
2971 cpc->psr |= D << 30;
2973 D = 0x1; /* Divide by 2 */
2974 cpc->psr |= D << 28;
2976 D = 0x1; /* Divide by 2 */
2977 cpc->psr |= D << 23;
2979 D = 0x5; /* M = 16 */
2980 cpc->psr |= D << 25;
2982 D = 0x1; /* Divide by 2 */
2983 cpc->psr |= D << 21;
2985 D = 0x2; /* Divide by 4 */
2986 cpc->psr |= D << 17;
2989 static void ppc405cr_cpc_init (CPUState *env, clk_setup_t clk_setup[7],
2992 ppc405cr_cpc_t *cpc;
2994 cpc = qemu_mallocz(sizeof(ppc405cr_cpc_t));
2996 memcpy(cpc->clk_setup, clk_setup,
2997 PPC405CR_CLK_NB * sizeof(clk_setup_t));
2998 cpc->sysclk = sysclk;
2999 cpc->jtagid = 0x42051049;
3000 ppc_dcr_register(env, PPC405CR_CPC0_PSR, cpc,
3001 &dcr_read_crcpc, &dcr_write_crcpc);
3002 ppc_dcr_register(env, PPC405CR_CPC0_CR0, cpc,
3003 &dcr_read_crcpc, &dcr_write_crcpc);
3004 ppc_dcr_register(env, PPC405CR_CPC0_CR1, cpc,
3005 &dcr_read_crcpc, &dcr_write_crcpc);
3006 ppc_dcr_register(env, PPC405CR_CPC0_JTAGID, cpc,
3007 &dcr_read_crcpc, &dcr_write_crcpc);
3008 ppc_dcr_register(env, PPC405CR_CPC0_PLLMR, cpc,
3009 &dcr_read_crcpc, &dcr_write_crcpc);
3010 ppc_dcr_register(env, PPC405CR_CPC0_ER, cpc,
3011 &dcr_read_crcpc, &dcr_write_crcpc);
3012 ppc_dcr_register(env, PPC405CR_CPC0_FR, cpc,
3013 &dcr_read_crcpc, &dcr_write_crcpc);
3014 ppc_dcr_register(env, PPC405CR_CPC0_SR, cpc,
3015 &dcr_read_crcpc, &dcr_write_crcpc);
3016 ppc405cr_clk_init(cpc);
3017 qemu_register_reset(ppc405cr_cpc_reset, cpc);
3018 ppc405cr_cpc_reset(cpc);
3022 CPUState *ppc405cr_init (target_phys_addr_t ram_bases[4],
3023 target_phys_addr_t ram_sizes[4],
3024 uint32_t sysclk, qemu_irq **picp,
3025 ram_addr_t *offsetp, int do_init)
3027 clk_setup_t clk_setup[PPC405CR_CLK_NB];
3028 qemu_irq dma_irqs[4];
3030 ppc4xx_mmio_t *mmio;
3031 qemu_irq *pic, *irqs;
3035 memset(clk_setup, 0, sizeof(clk_setup));
3036 env = ppc405_init("405cr", &clk_setup[PPC405CR_CPU_CLK],
3037 &clk_setup[PPC405CR_TMR_CLK], sysclk);
3038 /* Memory mapped devices registers */
3039 mmio = ppc4xx_mmio_init(env, 0xEF600000);
3041 ppc4xx_plb_init(env);
3042 /* PLB to OPB bridge */
3043 ppc4xx_pob_init(env);
3045 ppc4xx_opba_init(env, mmio, 0x600);
3046 /* Universal interrupt controller */
3047 irqs = qemu_mallocz(sizeof(qemu_irq) * PPCUIC_OUTPUT_NB);
3048 irqs[PPCUIC_OUTPUT_INT] =
3049 ((qemu_irq *)env->irq_inputs)[PPC405_INPUT_INT];
3050 irqs[PPCUIC_OUTPUT_CINT] =
3051 ((qemu_irq *)env->irq_inputs)[PPC405_INPUT_CINT];
3052 pic = ppcuic_init(env, irqs, 0x0C0, 0, 1);
3054 /* SDRAM controller */
3055 ppc405_sdram_init(env, pic[14], 1, ram_bases, ram_sizes, do_init);
3057 for (i = 0; i < 4; i++)
3058 offset += ram_sizes[i];
3059 /* External bus controller */
3060 ppc405_ebc_init(env);
3061 /* DMA controller */
3062 dma_irqs[0] = pic[26];
3063 dma_irqs[1] = pic[25];
3064 dma_irqs[2] = pic[24];
3065 dma_irqs[3] = pic[23];
3066 ppc405_dma_init(env, dma_irqs);
3068 if (serial_hds[0] != NULL) {
3069 ppc405_serial_init(env, mmio, 0x300, pic[31], serial_hds[0]);
3071 if (serial_hds[1] != NULL) {
3072 ppc405_serial_init(env, mmio, 0x400, pic[30], serial_hds[1]);
3074 /* IIC controller */
3075 ppc405_i2c_init(env, mmio, 0x500, pic[29]);
3077 ppc405_gpio_init(env, mmio, 0x700);
3079 ppc405cr_cpc_init(env, clk_setup, sysclk);
3085 /*****************************************************************************/
3089 PPC405EP_CPC0_PLLMR0 = 0x0F0,
3090 PPC405EP_CPC0_BOOT = 0x0F1,
3091 PPC405EP_CPC0_EPCTL = 0x0F3,
3092 PPC405EP_CPC0_PLLMR1 = 0x0F4,
3093 PPC405EP_CPC0_UCR = 0x0F5,
3094 PPC405EP_CPC0_SRR = 0x0F6,
3095 PPC405EP_CPC0_JTAGID = 0x0F7,
3096 PPC405EP_CPC0_PCI = 0x0F9,
3098 PPC405EP_CPC0_ER = xxx,
3099 PPC405EP_CPC0_FR = xxx,
3100 PPC405EP_CPC0_SR = xxx,
3105 PPC405EP_CPU_CLK = 0,
3106 PPC405EP_PLB_CLK = 1,
3107 PPC405EP_OPB_CLK = 2,
3108 PPC405EP_EBC_CLK = 3,
3109 PPC405EP_MAL_CLK = 4,
3110 PPC405EP_PCI_CLK = 5,
3111 PPC405EP_UART0_CLK = 6,
3112 PPC405EP_UART1_CLK = 7,
3113 PPC405EP_CLK_NB = 8,
3116 typedef struct ppc405ep_cpc_t ppc405ep_cpc_t;
3117 struct ppc405ep_cpc_t {
3119 clk_setup_t clk_setup[PPC405EP_CLK_NB];
3127 /* Clock and power management */
3133 static void ppc405ep_compute_clocks (ppc405ep_cpc_t *cpc)
3135 uint32_t CPU_clk, PLB_clk, OPB_clk, EBC_clk, MAL_clk, PCI_clk;
3136 uint32_t UART0_clk, UART1_clk;
3137 uint64_t VCO_out, PLL_out;
3141 if ((cpc->pllmr[1] & 0x80000000) && !(cpc->pllmr[1] & 0x40000000)) {
3142 M = (((cpc->pllmr[1] >> 20) - 1) & 0xF) + 1; /* FBMUL */
3143 // printf("FBMUL %01x %d\n", (cpc->pllmr[1] >> 20) & 0xF, M);
3144 D = 8 - ((cpc->pllmr[1] >> 16) & 0x7); /* FWDA */
3145 // printf("FWDA %01x %d\n", (cpc->pllmr[1] >> 16) & 0x7, D);
3146 VCO_out = cpc->sysclk * M * D;
3147 if (VCO_out < 500000000UL || VCO_out > 1000000000UL) {
3148 /* Error - unlock the PLL */
3149 printf("VCO out of range %" PRIu64 "\n", VCO_out);
3151 cpc->pllmr[1] &= ~0x80000000;
3155 PLL_out = VCO_out / D;
3156 /* Pretend the PLL is locked */
3157 cpc->boot |= 0x00000001;
3162 PLL_out = cpc->sysclk;
3163 if (cpc->pllmr[1] & 0x40000000) {
3164 /* Pretend the PLL is not locked */
3165 cpc->boot &= ~0x00000001;
3168 /* Now, compute all other clocks */
3169 D = ((cpc->pllmr[0] >> 20) & 0x3) + 1; /* CCDV */
3171 // printf("CCDV %01x %d\n", (cpc->pllmr[0] >> 20) & 0x3, D);
3173 CPU_clk = PLL_out / D;
3174 D = ((cpc->pllmr[0] >> 16) & 0x3) + 1; /* CBDV */
3176 // printf("CBDV %01x %d\n", (cpc->pllmr[0] >> 16) & 0x3, D);
3178 PLB_clk = CPU_clk / D;
3179 D = ((cpc->pllmr[0] >> 12) & 0x3) + 1; /* OPDV */
3181 // printf("OPDV %01x %d\n", (cpc->pllmr[0] >> 12) & 0x3, D);
3183 OPB_clk = PLB_clk / D;
3184 D = ((cpc->pllmr[0] >> 8) & 0x3) + 2; /* EPDV */
3186 // printf("EPDV %01x %d\n", (cpc->pllmr[0] >> 8) & 0x3, D);
3188 EBC_clk = PLB_clk / D;
3189 D = ((cpc->pllmr[0] >> 4) & 0x3) + 1; /* MPDV */
3191 // printf("MPDV %01x %d\n", (cpc->pllmr[0] >> 4) & 0x3, D);
3193 MAL_clk = PLB_clk / D;
3194 D = (cpc->pllmr[0] & 0x3) + 1; /* PPDV */
3196 // printf("PPDV %01x %d\n", cpc->pllmr[0] & 0x3, D);
3198 PCI_clk = PLB_clk / D;
3199 D = ((cpc->ucr - 1) & 0x7F) + 1; /* U0DIV */
3201 // printf("U0DIV %01x %d\n", cpc->ucr & 0x7F, D);
3203 UART0_clk = PLL_out / D;
3204 D = (((cpc->ucr >> 8) - 1) & 0x7F) + 1; /* U1DIV */
3206 // printf("U1DIV %01x %d\n", (cpc->ucr >> 8) & 0x7F, D);
3208 UART1_clk = PLL_out / D;
3210 printf("Setup PPC405EP clocks - sysclk %d VCO %" PRIu64
3211 " PLL out %" PRIu64 " Hz\n", cpc->sysclk, VCO_out, PLL_out);
3212 printf("CPU %d PLB %d OPB %d EBC %d MAL %d PCI %d UART0 %d UART1 %d\n",
3213 CPU_clk, PLB_clk, OPB_clk, EBC_clk, MAL_clk, PCI_clk,
3214 UART0_clk, UART1_clk);
3215 printf("CB %p opaque %p\n", cpc->clk_setup[PPC405EP_CPU_CLK].cb,
3216 cpc->clk_setup[PPC405EP_CPU_CLK].opaque);
3218 /* Setup CPU clocks */
3219 clk_setup(&cpc->clk_setup[PPC405EP_CPU_CLK], CPU_clk);
3220 /* Setup PLB clock */
3221 clk_setup(&cpc->clk_setup[PPC405EP_PLB_CLK], PLB_clk);
3222 /* Setup OPB clock */
3223 clk_setup(&cpc->clk_setup[PPC405EP_OPB_CLK], OPB_clk);
3224 /* Setup external clock */
3225 clk_setup(&cpc->clk_setup[PPC405EP_EBC_CLK], EBC_clk);
3226 /* Setup MAL clock */
3227 clk_setup(&cpc->clk_setup[PPC405EP_MAL_CLK], MAL_clk);
3228 /* Setup PCI clock */
3229 clk_setup(&cpc->clk_setup[PPC405EP_PCI_CLK], PCI_clk);
3230 /* Setup UART0 clock */
3231 clk_setup(&cpc->clk_setup[PPC405EP_UART0_CLK], UART0_clk);
3232 /* Setup UART1 clock */
3233 clk_setup(&cpc->clk_setup[PPC405EP_UART1_CLK], UART1_clk);
3236 static target_ulong dcr_read_epcpc (void *opaque, int dcrn)
3238 ppc405ep_cpc_t *cpc;
3243 case PPC405EP_CPC0_BOOT:
3246 case PPC405EP_CPC0_EPCTL:
3249 case PPC405EP_CPC0_PLLMR0:
3250 ret = cpc->pllmr[0];
3252 case PPC405EP_CPC0_PLLMR1:
3253 ret = cpc->pllmr[1];
3255 case PPC405EP_CPC0_UCR:
3258 case PPC405EP_CPC0_SRR:
3261 case PPC405EP_CPC0_JTAGID:
3264 case PPC405EP_CPC0_PCI:
3268 /* Avoid gcc warning */
3276 static void dcr_write_epcpc (void *opaque, int dcrn, target_ulong val)
3278 ppc405ep_cpc_t *cpc;
3282 case PPC405EP_CPC0_BOOT:
3283 /* Read-only register */
3285 case PPC405EP_CPC0_EPCTL:
3286 /* Don't care for now */
3287 cpc->epctl = val & 0xC00000F3;
3289 case PPC405EP_CPC0_PLLMR0:
3290 cpc->pllmr[0] = val & 0x00633333;
3291 ppc405ep_compute_clocks(cpc);
3293 case PPC405EP_CPC0_PLLMR1:
3294 cpc->pllmr[1] = val & 0xC0F73FFF;
3295 ppc405ep_compute_clocks(cpc);
3297 case PPC405EP_CPC0_UCR:
3298 /* UART control - don't care for now */
3299 cpc->ucr = val & 0x003F7F7F;
3301 case PPC405EP_CPC0_SRR:
3304 case PPC405EP_CPC0_JTAGID:
3307 case PPC405EP_CPC0_PCI:
3313 static void ppc405ep_cpc_reset (void *opaque)
3315 ppc405ep_cpc_t *cpc = opaque;
3317 cpc->boot = 0x00000010; /* Boot from PCI - IIC EEPROM disabled */
3318 cpc->epctl = 0x00000000;
3319 cpc->pllmr[0] = 0x00011010;
3320 cpc->pllmr[1] = 0x40000000;
3321 cpc->ucr = 0x00000000;
3322 cpc->srr = 0x00040000;
3323 cpc->pci = 0x00000000;
3324 cpc->er = 0x00000000;
3325 cpc->fr = 0x00000000;
3326 cpc->sr = 0x00000000;
3327 ppc405ep_compute_clocks(cpc);
3330 /* XXX: sysclk should be between 25 and 100 MHz */
3331 static void ppc405ep_cpc_init (CPUState *env, clk_setup_t clk_setup[8],
3334 ppc405ep_cpc_t *cpc;
3336 cpc = qemu_mallocz(sizeof(ppc405ep_cpc_t));
3338 memcpy(cpc->clk_setup, clk_setup,
3339 PPC405EP_CLK_NB * sizeof(clk_setup_t));
3340 cpc->jtagid = 0x20267049;
3341 cpc->sysclk = sysclk;
3342 ppc405ep_cpc_reset(cpc);
3343 qemu_register_reset(&ppc405ep_cpc_reset, cpc);
3344 ppc_dcr_register(env, PPC405EP_CPC0_BOOT, cpc,
3345 &dcr_read_epcpc, &dcr_write_epcpc);
3346 ppc_dcr_register(env, PPC405EP_CPC0_EPCTL, cpc,
3347 &dcr_read_epcpc, &dcr_write_epcpc);
3348 ppc_dcr_register(env, PPC405EP_CPC0_PLLMR0, cpc,
3349 &dcr_read_epcpc, &dcr_write_epcpc);
3350 ppc_dcr_register(env, PPC405EP_CPC0_PLLMR1, cpc,
3351 &dcr_read_epcpc, &dcr_write_epcpc);
3352 ppc_dcr_register(env, PPC405EP_CPC0_UCR, cpc,
3353 &dcr_read_epcpc, &dcr_write_epcpc);
3354 ppc_dcr_register(env, PPC405EP_CPC0_SRR, cpc,
3355 &dcr_read_epcpc, &dcr_write_epcpc);
3356 ppc_dcr_register(env, PPC405EP_CPC0_JTAGID, cpc,
3357 &dcr_read_epcpc, &dcr_write_epcpc);
3358 ppc_dcr_register(env, PPC405EP_CPC0_PCI, cpc,
3359 &dcr_read_epcpc, &dcr_write_epcpc);
3361 ppc_dcr_register(env, PPC405EP_CPC0_ER, cpc,
3362 &dcr_read_epcpc, &dcr_write_epcpc);
3363 ppc_dcr_register(env, PPC405EP_CPC0_FR, cpc,
3364 &dcr_read_epcpc, &dcr_write_epcpc);
3365 ppc_dcr_register(env, PPC405EP_CPC0_SR, cpc,
3366 &dcr_read_epcpc, &dcr_write_epcpc);
3371 CPUState *ppc405ep_init (target_phys_addr_t ram_bases[2],
3372 target_phys_addr_t ram_sizes[2],
3373 uint32_t sysclk, qemu_irq **picp,
3374 ram_addr_t *offsetp, int do_init)
3376 clk_setup_t clk_setup[PPC405EP_CLK_NB], tlb_clk_setup;
3377 qemu_irq dma_irqs[4], gpt_irqs[5], mal_irqs[4];
3379 ppc4xx_mmio_t *mmio;
3380 qemu_irq *pic, *irqs;
3384 memset(clk_setup, 0, sizeof(clk_setup));
3386 env = ppc405_init("405ep", &clk_setup[PPC405EP_CPU_CLK],
3387 &tlb_clk_setup, sysclk);
3388 clk_setup[PPC405EP_CPU_CLK].cb = tlb_clk_setup.cb;
3389 clk_setup[PPC405EP_CPU_CLK].opaque = tlb_clk_setup.opaque;
3390 /* Internal devices init */
3391 /* Memory mapped devices registers */
3392 mmio = ppc4xx_mmio_init(env, 0xEF600000);
3394 ppc4xx_plb_init(env);
3395 /* PLB to OPB bridge */
3396 ppc4xx_pob_init(env);
3398 ppc4xx_opba_init(env, mmio, 0x600);
3399 /* Universal interrupt controller */
3400 irqs = qemu_mallocz(sizeof(qemu_irq) * PPCUIC_OUTPUT_NB);
3401 irqs[PPCUIC_OUTPUT_INT] =
3402 ((qemu_irq *)env->irq_inputs)[PPC405_INPUT_INT];
3403 irqs[PPCUIC_OUTPUT_CINT] =
3404 ((qemu_irq *)env->irq_inputs)[PPC405_INPUT_CINT];
3405 pic = ppcuic_init(env, irqs, 0x0C0, 0, 1);
3407 /* SDRAM controller */
3408 ppc405_sdram_init(env, pic[14], 2, ram_bases, ram_sizes, do_init);
3410 for (i = 0; i < 2; i++)
3411 offset += ram_sizes[i];
3412 /* External bus controller */
3413 ppc405_ebc_init(env);
3414 /* DMA controller */
3415 dma_irqs[0] = pic[26];
3416 dma_irqs[1] = pic[25];
3417 dma_irqs[2] = pic[24];
3418 dma_irqs[3] = pic[23];
3419 ppc405_dma_init(env, dma_irqs);
3420 /* IIC controller */
3421 ppc405_i2c_init(env, mmio, 0x500, pic[29]);
3423 ppc405_gpio_init(env, mmio, 0x700);
3425 if (serial_hds[0] != NULL) {
3426 ppc405_serial_init(env, mmio, 0x300, pic[31], serial_hds[0]);
3428 if (serial_hds[1] != NULL) {
3429 ppc405_serial_init(env, mmio, 0x400, pic[30], serial_hds[1]);
3432 ppc405_ocm_init(env, ram_sizes[0] + ram_sizes[1]);
3435 gpt_irqs[0] = pic[12];
3436 gpt_irqs[1] = pic[11];
3437 gpt_irqs[2] = pic[10];
3438 gpt_irqs[3] = pic[9];
3439 gpt_irqs[4] = pic[8];
3440 ppc4xx_gpt_init(env, mmio, 0x000, gpt_irqs);
3442 /* Uses pic[28], pic[15], pic[13] */
3444 mal_irqs[0] = pic[20];
3445 mal_irqs[1] = pic[19];
3446 mal_irqs[2] = pic[18];
3447 mal_irqs[3] = pic[17];
3448 ppc405_mal_init(env, mal_irqs);
3450 /* Uses pic[22], pic[16], pic[14] */
3452 ppc405ep_cpc_init(env, clk_setup, sysclk);