2 * QEMU PowerPC 405 embedded processors emulation
4 * Copyright (c) 2007 Jocelyn Mayer
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
28 #include "qemu-timer.h"
41 //#define DEBUG_CLOCKS_LL
43 ram_addr_t ppc405_set_bootinfo (CPUState *env, ppc4xx_bd_info_t *bd,
49 /* We put the bd structure at the top of memory */
50 if (bd->bi_memsize >= 0x01000000UL)
51 bdloc = 0x01000000UL - sizeof(struct ppc4xx_bd_info_t);
53 bdloc = bd->bi_memsize - sizeof(struct ppc4xx_bd_info_t);
54 stl_be_phys(bdloc + 0x00, bd->bi_memstart);
55 stl_be_phys(bdloc + 0x04, bd->bi_memsize);
56 stl_be_phys(bdloc + 0x08, bd->bi_flashstart);
57 stl_be_phys(bdloc + 0x0C, bd->bi_flashsize);
58 stl_be_phys(bdloc + 0x10, bd->bi_flashoffset);
59 stl_be_phys(bdloc + 0x14, bd->bi_sramstart);
60 stl_be_phys(bdloc + 0x18, bd->bi_sramsize);
61 stl_be_phys(bdloc + 0x1C, bd->bi_bootflags);
62 stl_be_phys(bdloc + 0x20, bd->bi_ipaddr);
63 for (i = 0; i < 6; i++) {
64 stb_phys(bdloc + 0x24 + i, bd->bi_enetaddr[i]);
66 stw_be_phys(bdloc + 0x2A, bd->bi_ethspeed);
67 stl_be_phys(bdloc + 0x2C, bd->bi_intfreq);
68 stl_be_phys(bdloc + 0x30, bd->bi_busfreq);
69 stl_be_phys(bdloc + 0x34, bd->bi_baudrate);
70 for (i = 0; i < 4; i++) {
71 stb_phys(bdloc + 0x38 + i, bd->bi_s_version[i]);
73 for (i = 0; i < 32; i++) {
74 stb_phys(bdloc + 0x3C + i, bd->bi_r_version[i]);
76 stl_be_phys(bdloc + 0x5C, bd->bi_plb_busfreq);
77 stl_be_phys(bdloc + 0x60, bd->bi_pci_busfreq);
78 for (i = 0; i < 6; i++) {
79 stb_phys(bdloc + 0x64 + i, bd->bi_pci_enetaddr[i]);
82 if (flags & 0x00000001) {
83 for (i = 0; i < 6; i++)
84 stb_phys(bdloc + n++, bd->bi_pci_enetaddr2[i]);
86 stl_be_phys(bdloc + n, bd->bi_opbfreq);
88 for (i = 0; i < 2; i++) {
89 stl_be_phys(bdloc + n, bd->bi_iic_fast[i]);
96 /*****************************************************************************/
97 /* Shared peripherals */
99 /*****************************************************************************/
100 /* Peripheral local bus arbitrer */
107 typedef struct ppc4xx_plb_t ppc4xx_plb_t;
108 struct ppc4xx_plb_t {
114 static uint32_t dcr_read_plb (void *opaque, int dcrn)
131 /* Avoid gcc warning */
139 static void dcr_write_plb (void *opaque, int dcrn, uint32_t val)
146 /* We don't care about the actual parameters written as
147 * we don't manage any priorities on the bus
149 plb->acr = val & 0xF8000000;
161 static void ppc4xx_plb_reset (void *opaque)
166 plb->acr = 0x00000000;
167 plb->bear = 0x00000000;
168 plb->besr = 0x00000000;
171 static void ppc4xx_plb_init(CPUState *env)
175 plb = g_malloc0(sizeof(ppc4xx_plb_t));
176 ppc_dcr_register(env, PLB0_ACR, plb, &dcr_read_plb, &dcr_write_plb);
177 ppc_dcr_register(env, PLB0_BEAR, plb, &dcr_read_plb, &dcr_write_plb);
178 ppc_dcr_register(env, PLB0_BESR, plb, &dcr_read_plb, &dcr_write_plb);
179 qemu_register_reset(ppc4xx_plb_reset, plb);
182 /*****************************************************************************/
183 /* PLB to OPB bridge */
190 typedef struct ppc4xx_pob_t ppc4xx_pob_t;
191 struct ppc4xx_pob_t {
196 static uint32_t dcr_read_pob (void *opaque, int dcrn)
208 ret = pob->besr[dcrn - POB0_BESR0];
211 /* Avoid gcc warning */
219 static void dcr_write_pob (void *opaque, int dcrn, uint32_t val)
231 pob->besr[dcrn - POB0_BESR0] &= ~val;
236 static void ppc4xx_pob_reset (void *opaque)
242 pob->bear = 0x00000000;
243 pob->besr[0] = 0x0000000;
244 pob->besr[1] = 0x0000000;
247 static void ppc4xx_pob_init(CPUState *env)
251 pob = g_malloc0(sizeof(ppc4xx_pob_t));
252 ppc_dcr_register(env, POB0_BEAR, pob, &dcr_read_pob, &dcr_write_pob);
253 ppc_dcr_register(env, POB0_BESR0, pob, &dcr_read_pob, &dcr_write_pob);
254 ppc_dcr_register(env, POB0_BESR1, pob, &dcr_read_pob, &dcr_write_pob);
255 qemu_register_reset(ppc4xx_pob_reset, pob);
258 /*****************************************************************************/
260 typedef struct ppc4xx_opba_t ppc4xx_opba_t;
261 struct ppc4xx_opba_t {
266 static uint32_t opba_readb (void *opaque, target_phys_addr_t addr)
272 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
290 static void opba_writeb (void *opaque,
291 target_phys_addr_t addr, uint32_t value)
296 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
302 opba->cr = value & 0xF8;
305 opba->pr = value & 0xFF;
312 static uint32_t opba_readw (void *opaque, target_phys_addr_t addr)
317 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
319 ret = opba_readb(opaque, addr) << 8;
320 ret |= opba_readb(opaque, addr + 1);
325 static void opba_writew (void *opaque,
326 target_phys_addr_t addr, uint32_t value)
329 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
332 opba_writeb(opaque, addr, value >> 8);
333 opba_writeb(opaque, addr + 1, value);
336 static uint32_t opba_readl (void *opaque, target_phys_addr_t addr)
341 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
343 ret = opba_readb(opaque, addr) << 24;
344 ret |= opba_readb(opaque, addr + 1) << 16;
349 static void opba_writel (void *opaque,
350 target_phys_addr_t addr, uint32_t value)
353 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
356 opba_writeb(opaque, addr, value >> 24);
357 opba_writeb(opaque, addr + 1, value >> 16);
360 static CPUReadMemoryFunc * const opba_read[] = {
366 static CPUWriteMemoryFunc * const opba_write[] = {
372 static void ppc4xx_opba_reset (void *opaque)
377 opba->cr = 0x00; /* No dynamic priorities - park disabled */
381 static void ppc4xx_opba_init(target_phys_addr_t base)
386 opba = g_malloc0(sizeof(ppc4xx_opba_t));
388 printf("%s: offset " TARGET_FMT_plx "\n", __func__, base);
390 io = cpu_register_io_memory(opba_read, opba_write, opba,
391 DEVICE_NATIVE_ENDIAN);
392 cpu_register_physical_memory(base, 0x002, io);
393 qemu_register_reset(ppc4xx_opba_reset, opba);
396 /*****************************************************************************/
397 /* Code decompression controller */
400 /*****************************************************************************/
401 /* Peripheral controller */
402 typedef struct ppc4xx_ebc_t ppc4xx_ebc_t;
403 struct ppc4xx_ebc_t {
414 EBC0_CFGADDR = 0x012,
415 EBC0_CFGDATA = 0x013,
418 static uint32_t dcr_read_ebc (void *opaque, int dcrn)
430 case 0x00: /* B0CR */
433 case 0x01: /* B1CR */
436 case 0x02: /* B2CR */
439 case 0x03: /* B3CR */
442 case 0x04: /* B4CR */
445 case 0x05: /* B5CR */
448 case 0x06: /* B6CR */
451 case 0x07: /* B7CR */
454 case 0x10: /* B0AP */
457 case 0x11: /* B1AP */
460 case 0x12: /* B2AP */
463 case 0x13: /* B3AP */
466 case 0x14: /* B4AP */
469 case 0x15: /* B5AP */
472 case 0x16: /* B6AP */
475 case 0x17: /* B7AP */
478 case 0x20: /* BEAR */
481 case 0x21: /* BESR0 */
484 case 0x22: /* BESR1 */
503 static void dcr_write_ebc (void *opaque, int dcrn, uint32_t val)
514 case 0x00: /* B0CR */
516 case 0x01: /* B1CR */
518 case 0x02: /* B2CR */
520 case 0x03: /* B3CR */
522 case 0x04: /* B4CR */
524 case 0x05: /* B5CR */
526 case 0x06: /* B6CR */
528 case 0x07: /* B7CR */
530 case 0x10: /* B0AP */
532 case 0x11: /* B1AP */
534 case 0x12: /* B2AP */
536 case 0x13: /* B3AP */
538 case 0x14: /* B4AP */
540 case 0x15: /* B5AP */
542 case 0x16: /* B6AP */
544 case 0x17: /* B7AP */
546 case 0x20: /* BEAR */
548 case 0x21: /* BESR0 */
550 case 0x22: /* BESR1 */
563 static void ebc_reset (void *opaque)
569 ebc->addr = 0x00000000;
570 ebc->bap[0] = 0x7F8FFE80;
571 ebc->bcr[0] = 0xFFE28000;
572 for (i = 0; i < 8; i++) {
573 ebc->bap[i] = 0x00000000;
574 ebc->bcr[i] = 0x00000000;
576 ebc->besr0 = 0x00000000;
577 ebc->besr1 = 0x00000000;
578 ebc->cfg = 0x80400000;
581 static void ppc405_ebc_init(CPUState *env)
585 ebc = g_malloc0(sizeof(ppc4xx_ebc_t));
586 qemu_register_reset(&ebc_reset, ebc);
587 ppc_dcr_register(env, EBC0_CFGADDR,
588 ebc, &dcr_read_ebc, &dcr_write_ebc);
589 ppc_dcr_register(env, EBC0_CFGDATA,
590 ebc, &dcr_read_ebc, &dcr_write_ebc);
593 /*****************************************************************************/
622 typedef struct ppc405_dma_t ppc405_dma_t;
623 struct ppc405_dma_t {
636 static uint32_t dcr_read_dma (void *opaque, int dcrn)
641 static void dcr_write_dma (void *opaque, int dcrn, uint32_t val)
645 static void ppc405_dma_reset (void *opaque)
651 for (i = 0; i < 4; i++) {
652 dma->cr[i] = 0x00000000;
653 dma->ct[i] = 0x00000000;
654 dma->da[i] = 0x00000000;
655 dma->sa[i] = 0x00000000;
656 dma->sg[i] = 0x00000000;
658 dma->sr = 0x00000000;
659 dma->sgc = 0x00000000;
660 dma->slp = 0x7C000000;
661 dma->pol = 0x00000000;
664 static void ppc405_dma_init(CPUState *env, qemu_irq irqs[4])
668 dma = g_malloc0(sizeof(ppc405_dma_t));
669 memcpy(dma->irqs, irqs, 4 * sizeof(qemu_irq));
670 qemu_register_reset(&ppc405_dma_reset, dma);
671 ppc_dcr_register(env, DMA0_CR0,
672 dma, &dcr_read_dma, &dcr_write_dma);
673 ppc_dcr_register(env, DMA0_CT0,
674 dma, &dcr_read_dma, &dcr_write_dma);
675 ppc_dcr_register(env, DMA0_DA0,
676 dma, &dcr_read_dma, &dcr_write_dma);
677 ppc_dcr_register(env, DMA0_SA0,
678 dma, &dcr_read_dma, &dcr_write_dma);
679 ppc_dcr_register(env, DMA0_SG0,
680 dma, &dcr_read_dma, &dcr_write_dma);
681 ppc_dcr_register(env, DMA0_CR1,
682 dma, &dcr_read_dma, &dcr_write_dma);
683 ppc_dcr_register(env, DMA0_CT1,
684 dma, &dcr_read_dma, &dcr_write_dma);
685 ppc_dcr_register(env, DMA0_DA1,
686 dma, &dcr_read_dma, &dcr_write_dma);
687 ppc_dcr_register(env, DMA0_SA1,
688 dma, &dcr_read_dma, &dcr_write_dma);
689 ppc_dcr_register(env, DMA0_SG1,
690 dma, &dcr_read_dma, &dcr_write_dma);
691 ppc_dcr_register(env, DMA0_CR2,
692 dma, &dcr_read_dma, &dcr_write_dma);
693 ppc_dcr_register(env, DMA0_CT2,
694 dma, &dcr_read_dma, &dcr_write_dma);
695 ppc_dcr_register(env, DMA0_DA2,
696 dma, &dcr_read_dma, &dcr_write_dma);
697 ppc_dcr_register(env, DMA0_SA2,
698 dma, &dcr_read_dma, &dcr_write_dma);
699 ppc_dcr_register(env, DMA0_SG2,
700 dma, &dcr_read_dma, &dcr_write_dma);
701 ppc_dcr_register(env, DMA0_CR3,
702 dma, &dcr_read_dma, &dcr_write_dma);
703 ppc_dcr_register(env, DMA0_CT3,
704 dma, &dcr_read_dma, &dcr_write_dma);
705 ppc_dcr_register(env, DMA0_DA3,
706 dma, &dcr_read_dma, &dcr_write_dma);
707 ppc_dcr_register(env, DMA0_SA3,
708 dma, &dcr_read_dma, &dcr_write_dma);
709 ppc_dcr_register(env, DMA0_SG3,
710 dma, &dcr_read_dma, &dcr_write_dma);
711 ppc_dcr_register(env, DMA0_SR,
712 dma, &dcr_read_dma, &dcr_write_dma);
713 ppc_dcr_register(env, DMA0_SGC,
714 dma, &dcr_read_dma, &dcr_write_dma);
715 ppc_dcr_register(env, DMA0_SLP,
716 dma, &dcr_read_dma, &dcr_write_dma);
717 ppc_dcr_register(env, DMA0_POL,
718 dma, &dcr_read_dma, &dcr_write_dma);
721 /*****************************************************************************/
723 typedef struct ppc405_gpio_t ppc405_gpio_t;
724 struct ppc405_gpio_t {
738 static uint32_t ppc405_gpio_readb (void *opaque, target_phys_addr_t addr)
741 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
747 static void ppc405_gpio_writeb (void *opaque,
748 target_phys_addr_t addr, uint32_t value)
751 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
756 static uint32_t ppc405_gpio_readw (void *opaque, target_phys_addr_t addr)
759 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
765 static void ppc405_gpio_writew (void *opaque,
766 target_phys_addr_t addr, uint32_t value)
769 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
774 static uint32_t ppc405_gpio_readl (void *opaque, target_phys_addr_t addr)
777 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
783 static void ppc405_gpio_writel (void *opaque,
784 target_phys_addr_t addr, uint32_t value)
787 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
792 static CPUReadMemoryFunc * const ppc405_gpio_read[] = {
798 static CPUWriteMemoryFunc * const ppc405_gpio_write[] = {
804 static void ppc405_gpio_reset (void *opaque)
808 static void ppc405_gpio_init(target_phys_addr_t base)
813 gpio = g_malloc0(sizeof(ppc405_gpio_t));
815 printf("%s: offset " TARGET_FMT_plx "\n", __func__, base);
817 io = cpu_register_io_memory(ppc405_gpio_read, ppc405_gpio_write, gpio,
818 DEVICE_NATIVE_ENDIAN);
819 cpu_register_physical_memory(base, 0x038, io);
820 qemu_register_reset(&ppc405_gpio_reset, gpio);
823 /*****************************************************************************/
827 OCM0_ISACNTL = 0x019,
829 OCM0_DSACNTL = 0x01B,
832 typedef struct ppc405_ocm_t ppc405_ocm_t;
833 struct ppc405_ocm_t {
841 static void ocm_update_mappings (ppc405_ocm_t *ocm,
842 uint32_t isarc, uint32_t isacntl,
843 uint32_t dsarc, uint32_t dsacntl)
846 printf("OCM update ISA %08" PRIx32 " %08" PRIx32 " (%08" PRIx32
847 " %08" PRIx32 ") DSA %08" PRIx32 " %08" PRIx32
848 " (%08" PRIx32 " %08" PRIx32 ")\n",
849 isarc, isacntl, dsarc, dsacntl,
850 ocm->isarc, ocm->isacntl, ocm->dsarc, ocm->dsacntl);
852 if (ocm->isarc != isarc ||
853 (ocm->isacntl & 0x80000000) != (isacntl & 0x80000000)) {
854 if (ocm->isacntl & 0x80000000) {
855 /* Unmap previously assigned memory region */
856 printf("OCM unmap ISA %08" PRIx32 "\n", ocm->isarc);
857 cpu_register_physical_memory(ocm->isarc, 0x04000000,
860 if (isacntl & 0x80000000) {
861 /* Map new instruction memory region */
863 printf("OCM map ISA %08" PRIx32 "\n", isarc);
865 cpu_register_physical_memory(isarc, 0x04000000,
866 ocm->offset | IO_MEM_RAM);
869 if (ocm->dsarc != dsarc ||
870 (ocm->dsacntl & 0x80000000) != (dsacntl & 0x80000000)) {
871 if (ocm->dsacntl & 0x80000000) {
872 /* Beware not to unmap the region we just mapped */
873 if (!(isacntl & 0x80000000) || ocm->dsarc != isarc) {
874 /* Unmap previously assigned memory region */
876 printf("OCM unmap DSA %08" PRIx32 "\n", ocm->dsarc);
878 cpu_register_physical_memory(ocm->dsarc, 0x04000000,
882 if (dsacntl & 0x80000000) {
883 /* Beware not to remap the region we just mapped */
884 if (!(isacntl & 0x80000000) || dsarc != isarc) {
885 /* Map new data memory region */
887 printf("OCM map DSA %08" PRIx32 "\n", dsarc);
889 cpu_register_physical_memory(dsarc, 0x04000000,
890 ocm->offset | IO_MEM_RAM);
896 static uint32_t dcr_read_ocm (void *opaque, int dcrn)
923 static void dcr_write_ocm (void *opaque, int dcrn, uint32_t val)
926 uint32_t isarc, dsarc, isacntl, dsacntl;
931 isacntl = ocm->isacntl;
932 dsacntl = ocm->dsacntl;
935 isarc = val & 0xFC000000;
938 isacntl = val & 0xC0000000;
941 isarc = val & 0xFC000000;
944 isacntl = val & 0xC0000000;
947 ocm_update_mappings(ocm, isarc, isacntl, dsarc, dsacntl);
950 ocm->isacntl = isacntl;
951 ocm->dsacntl = dsacntl;
954 static void ocm_reset (void *opaque)
957 uint32_t isarc, dsarc, isacntl, dsacntl;
961 isacntl = 0x00000000;
963 dsacntl = 0x00000000;
964 ocm_update_mappings(ocm, isarc, isacntl, dsarc, dsacntl);
967 ocm->isacntl = isacntl;
968 ocm->dsacntl = dsacntl;
971 static void ppc405_ocm_init(CPUState *env)
975 ocm = g_malloc0(sizeof(ppc405_ocm_t));
976 ocm->offset = qemu_ram_alloc(NULL, "ppc405.ocm", 4096);
977 qemu_register_reset(&ocm_reset, ocm);
978 ppc_dcr_register(env, OCM0_ISARC,
979 ocm, &dcr_read_ocm, &dcr_write_ocm);
980 ppc_dcr_register(env, OCM0_ISACNTL,
981 ocm, &dcr_read_ocm, &dcr_write_ocm);
982 ppc_dcr_register(env, OCM0_DSARC,
983 ocm, &dcr_read_ocm, &dcr_write_ocm);
984 ppc_dcr_register(env, OCM0_DSACNTL,
985 ocm, &dcr_read_ocm, &dcr_write_ocm);
988 /*****************************************************************************/
990 typedef struct ppc4xx_i2c_t ppc4xx_i2c_t;
991 struct ppc4xx_i2c_t {
1010 static uint32_t ppc4xx_i2c_readb (void *opaque, target_phys_addr_t addr)
1016 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
1021 // i2c_readbyte(&i2c->mdata);
1061 ret = i2c->xtcntlss;
1064 ret = i2c->directcntl;
1071 printf("%s: addr " TARGET_FMT_plx " %02" PRIx32 "\n", __func__, addr, ret);
1077 static void ppc4xx_i2c_writeb (void *opaque,
1078 target_phys_addr_t addr, uint32_t value)
1083 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
1090 // i2c_sendbyte(&i2c->mdata);
1105 i2c->mdcntl = value & 0xDF;
1108 i2c->sts &= ~(value & 0x0A);
1111 i2c->extsts &= ~(value & 0x8F);
1120 i2c->clkdiv = value;
1123 i2c->intrmsk = value;
1126 i2c->xfrcnt = value & 0x77;
1129 i2c->xtcntlss = value;
1132 i2c->directcntl = value & 0x7;
1137 static uint32_t ppc4xx_i2c_readw (void *opaque, target_phys_addr_t addr)
1142 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
1144 ret = ppc4xx_i2c_readb(opaque, addr) << 8;
1145 ret |= ppc4xx_i2c_readb(opaque, addr + 1);
1150 static void ppc4xx_i2c_writew (void *opaque,
1151 target_phys_addr_t addr, uint32_t value)
1154 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
1157 ppc4xx_i2c_writeb(opaque, addr, value >> 8);
1158 ppc4xx_i2c_writeb(opaque, addr + 1, value);
1161 static uint32_t ppc4xx_i2c_readl (void *opaque, target_phys_addr_t addr)
1166 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
1168 ret = ppc4xx_i2c_readb(opaque, addr) << 24;
1169 ret |= ppc4xx_i2c_readb(opaque, addr + 1) << 16;
1170 ret |= ppc4xx_i2c_readb(opaque, addr + 2) << 8;
1171 ret |= ppc4xx_i2c_readb(opaque, addr + 3);
1176 static void ppc4xx_i2c_writel (void *opaque,
1177 target_phys_addr_t addr, uint32_t value)
1180 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
1183 ppc4xx_i2c_writeb(opaque, addr, value >> 24);
1184 ppc4xx_i2c_writeb(opaque, addr + 1, value >> 16);
1185 ppc4xx_i2c_writeb(opaque, addr + 2, value >> 8);
1186 ppc4xx_i2c_writeb(opaque, addr + 3, value);
1189 static CPUReadMemoryFunc * const i2c_read[] = {
1195 static CPUWriteMemoryFunc * const i2c_write[] = {
1201 static void ppc4xx_i2c_reset (void *opaque)
1214 i2c->directcntl = 0x0F;
1217 static void ppc405_i2c_init(target_phys_addr_t base, qemu_irq irq)
1222 i2c = g_malloc0(sizeof(ppc4xx_i2c_t));
1225 printf("%s: offset " TARGET_FMT_plx "\n", __func__, base);
1227 io = cpu_register_io_memory(i2c_read, i2c_write, i2c,
1228 DEVICE_NATIVE_ENDIAN);
1229 cpu_register_physical_memory(base, 0x011, io);
1230 qemu_register_reset(ppc4xx_i2c_reset, i2c);
1233 /*****************************************************************************/
1234 /* General purpose timers */
1235 typedef struct ppc4xx_gpt_t ppc4xx_gpt_t;
1236 struct ppc4xx_gpt_t {
1239 struct QEMUTimer *timer;
1250 static uint32_t ppc4xx_gpt_readb (void *opaque, target_phys_addr_t addr)
1253 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
1255 /* XXX: generate a bus fault */
1259 static void ppc4xx_gpt_writeb (void *opaque,
1260 target_phys_addr_t addr, uint32_t value)
1263 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
1266 /* XXX: generate a bus fault */
1269 static uint32_t ppc4xx_gpt_readw (void *opaque, target_phys_addr_t addr)
1272 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
1274 /* XXX: generate a bus fault */
1278 static void ppc4xx_gpt_writew (void *opaque,
1279 target_phys_addr_t addr, uint32_t value)
1282 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
1285 /* XXX: generate a bus fault */
1288 static int ppc4xx_gpt_compare (ppc4xx_gpt_t *gpt, int n)
1294 static void ppc4xx_gpt_set_output (ppc4xx_gpt_t *gpt, int n, int level)
1299 static void ppc4xx_gpt_set_outputs (ppc4xx_gpt_t *gpt)
1305 for (i = 0; i < 5; i++) {
1306 if (gpt->oe & mask) {
1307 /* Output is enabled */
1308 if (ppc4xx_gpt_compare(gpt, i)) {
1309 /* Comparison is OK */
1310 ppc4xx_gpt_set_output(gpt, i, gpt->ol & mask);
1312 /* Comparison is KO */
1313 ppc4xx_gpt_set_output(gpt, i, gpt->ol & mask ? 0 : 1);
1320 static void ppc4xx_gpt_set_irqs (ppc4xx_gpt_t *gpt)
1326 for (i = 0; i < 5; i++) {
1327 if (gpt->is & gpt->im & mask)
1328 qemu_irq_raise(gpt->irqs[i]);
1330 qemu_irq_lower(gpt->irqs[i]);
1335 static void ppc4xx_gpt_compute_timer (ppc4xx_gpt_t *gpt)
1340 static uint32_t ppc4xx_gpt_readl (void *opaque, target_phys_addr_t addr)
1347 printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
1352 /* Time base counter */
1353 ret = muldiv64(qemu_get_clock_ns(vm_clock) + gpt->tb_offset,
1354 gpt->tb_freq, get_ticks_per_sec());
1365 /* Interrupt mask */
1370 /* Interrupt status */
1374 /* Interrupt enable */
1379 idx = (addr - 0x80) >> 2;
1380 ret = gpt->comp[idx];
1384 idx = (addr - 0xC0) >> 2;
1385 ret = gpt->mask[idx];
1395 static void ppc4xx_gpt_writel (void *opaque,
1396 target_phys_addr_t addr, uint32_t value)
1402 printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
1408 /* Time base counter */
1409 gpt->tb_offset = muldiv64(value, get_ticks_per_sec(), gpt->tb_freq)
1410 - qemu_get_clock_ns(vm_clock);
1411 ppc4xx_gpt_compute_timer(gpt);
1415 gpt->oe = value & 0xF8000000;
1416 ppc4xx_gpt_set_outputs(gpt);
1420 gpt->ol = value & 0xF8000000;
1421 ppc4xx_gpt_set_outputs(gpt);
1424 /* Interrupt mask */
1425 gpt->im = value & 0x0000F800;
1428 /* Interrupt status set */
1429 gpt->is |= value & 0x0000F800;
1430 ppc4xx_gpt_set_irqs(gpt);
1433 /* Interrupt status clear */
1434 gpt->is &= ~(value & 0x0000F800);
1435 ppc4xx_gpt_set_irqs(gpt);
1438 /* Interrupt enable */
1439 gpt->ie = value & 0x0000F800;
1440 ppc4xx_gpt_set_irqs(gpt);
1444 idx = (addr - 0x80) >> 2;
1445 gpt->comp[idx] = value & 0xF8000000;
1446 ppc4xx_gpt_compute_timer(gpt);
1450 idx = (addr - 0xC0) >> 2;
1451 gpt->mask[idx] = value & 0xF8000000;
1452 ppc4xx_gpt_compute_timer(gpt);
1457 static CPUReadMemoryFunc * const gpt_read[] = {
1463 static CPUWriteMemoryFunc * const gpt_write[] = {
1469 static void ppc4xx_gpt_cb (void *opaque)
1474 ppc4xx_gpt_set_irqs(gpt);
1475 ppc4xx_gpt_set_outputs(gpt);
1476 ppc4xx_gpt_compute_timer(gpt);
1479 static void ppc4xx_gpt_reset (void *opaque)
1485 qemu_del_timer(gpt->timer);
1486 gpt->oe = 0x00000000;
1487 gpt->ol = 0x00000000;
1488 gpt->im = 0x00000000;
1489 gpt->is = 0x00000000;
1490 gpt->ie = 0x00000000;
1491 for (i = 0; i < 5; i++) {
1492 gpt->comp[i] = 0x00000000;
1493 gpt->mask[i] = 0x00000000;
1497 static void ppc4xx_gpt_init(target_phys_addr_t base, qemu_irq irqs[5])
1503 gpt = g_malloc0(sizeof(ppc4xx_gpt_t));
1504 for (i = 0; i < 5; i++) {
1505 gpt->irqs[i] = irqs[i];
1507 gpt->timer = qemu_new_timer_ns(vm_clock, &ppc4xx_gpt_cb, gpt);
1509 printf("%s: offset " TARGET_FMT_plx "\n", __func__, base);
1511 io = cpu_register_io_memory(gpt_read, gpt_write, gpt, DEVICE_NATIVE_ENDIAN);
1512 cpu_register_physical_memory(base, 0x0d4, io);
1513 qemu_register_reset(ppc4xx_gpt_reset, gpt);
1516 /*****************************************************************************/
1522 MAL0_TXCASR = 0x184,
1523 MAL0_TXCARR = 0x185,
1524 MAL0_TXEOBISR = 0x186,
1525 MAL0_TXDEIR = 0x187,
1526 MAL0_RXCASR = 0x190,
1527 MAL0_RXCARR = 0x191,
1528 MAL0_RXEOBISR = 0x192,
1529 MAL0_RXDEIR = 0x193,
1530 MAL0_TXCTP0R = 0x1A0,
1531 MAL0_TXCTP1R = 0x1A1,
1532 MAL0_TXCTP2R = 0x1A2,
1533 MAL0_TXCTP3R = 0x1A3,
1534 MAL0_RXCTP0R = 0x1C0,
1535 MAL0_RXCTP1R = 0x1C1,
1540 typedef struct ppc40x_mal_t ppc40x_mal_t;
1541 struct ppc40x_mal_t {
1559 static void ppc40x_mal_reset (void *opaque);
1561 static uint32_t dcr_read_mal (void *opaque, int dcrn)
1584 ret = mal->txeobisr;
1596 ret = mal->rxeobisr;
1602 ret = mal->txctpr[0];
1605 ret = mal->txctpr[1];
1608 ret = mal->txctpr[2];
1611 ret = mal->txctpr[3];
1614 ret = mal->rxctpr[0];
1617 ret = mal->rxctpr[1];
1633 static void dcr_write_mal (void *opaque, int dcrn, uint32_t val)
1641 if (val & 0x80000000)
1642 ppc40x_mal_reset(mal);
1643 mal->cfg = val & 0x00FFC087;
1650 mal->ier = val & 0x0000001F;
1653 mal->txcasr = val & 0xF0000000;
1656 mal->txcarr = val & 0xF0000000;
1660 mal->txeobisr &= ~val;
1664 mal->txdeir &= ~val;
1667 mal->rxcasr = val & 0xC0000000;
1670 mal->rxcarr = val & 0xC0000000;
1674 mal->rxeobisr &= ~val;
1678 mal->rxdeir &= ~val;
1692 mal->txctpr[idx] = val;
1700 mal->rxctpr[idx] = val;
1704 goto update_rx_size;
1708 mal->rcbs[idx] = val & 0x000000FF;
1713 static void ppc40x_mal_reset (void *opaque)
1718 mal->cfg = 0x0007C000;
1719 mal->esr = 0x00000000;
1720 mal->ier = 0x00000000;
1721 mal->rxcasr = 0x00000000;
1722 mal->rxdeir = 0x00000000;
1723 mal->rxeobisr = 0x00000000;
1724 mal->txcasr = 0x00000000;
1725 mal->txdeir = 0x00000000;
1726 mal->txeobisr = 0x00000000;
1729 static void ppc405_mal_init(CPUState *env, qemu_irq irqs[4])
1734 mal = g_malloc0(sizeof(ppc40x_mal_t));
1735 for (i = 0; i < 4; i++)
1736 mal->irqs[i] = irqs[i];
1737 qemu_register_reset(&ppc40x_mal_reset, mal);
1738 ppc_dcr_register(env, MAL0_CFG,
1739 mal, &dcr_read_mal, &dcr_write_mal);
1740 ppc_dcr_register(env, MAL0_ESR,
1741 mal, &dcr_read_mal, &dcr_write_mal);
1742 ppc_dcr_register(env, MAL0_IER,
1743 mal, &dcr_read_mal, &dcr_write_mal);
1744 ppc_dcr_register(env, MAL0_TXCASR,
1745 mal, &dcr_read_mal, &dcr_write_mal);
1746 ppc_dcr_register(env, MAL0_TXCARR,
1747 mal, &dcr_read_mal, &dcr_write_mal);
1748 ppc_dcr_register(env, MAL0_TXEOBISR,
1749 mal, &dcr_read_mal, &dcr_write_mal);
1750 ppc_dcr_register(env, MAL0_TXDEIR,
1751 mal, &dcr_read_mal, &dcr_write_mal);
1752 ppc_dcr_register(env, MAL0_RXCASR,
1753 mal, &dcr_read_mal, &dcr_write_mal);
1754 ppc_dcr_register(env, MAL0_RXCARR,
1755 mal, &dcr_read_mal, &dcr_write_mal);
1756 ppc_dcr_register(env, MAL0_RXEOBISR,
1757 mal, &dcr_read_mal, &dcr_write_mal);
1758 ppc_dcr_register(env, MAL0_RXDEIR,
1759 mal, &dcr_read_mal, &dcr_write_mal);
1760 ppc_dcr_register(env, MAL0_TXCTP0R,
1761 mal, &dcr_read_mal, &dcr_write_mal);
1762 ppc_dcr_register(env, MAL0_TXCTP1R,
1763 mal, &dcr_read_mal, &dcr_write_mal);
1764 ppc_dcr_register(env, MAL0_TXCTP2R,
1765 mal, &dcr_read_mal, &dcr_write_mal);
1766 ppc_dcr_register(env, MAL0_TXCTP3R,
1767 mal, &dcr_read_mal, &dcr_write_mal);
1768 ppc_dcr_register(env, MAL0_RXCTP0R,
1769 mal, &dcr_read_mal, &dcr_write_mal);
1770 ppc_dcr_register(env, MAL0_RXCTP1R,
1771 mal, &dcr_read_mal, &dcr_write_mal);
1772 ppc_dcr_register(env, MAL0_RCBS0,
1773 mal, &dcr_read_mal, &dcr_write_mal);
1774 ppc_dcr_register(env, MAL0_RCBS1,
1775 mal, &dcr_read_mal, &dcr_write_mal);
1778 /*****************************************************************************/
1780 void ppc40x_core_reset (CPUState *env)
1784 printf("Reset PowerPC core\n");
1785 env->interrupt_request |= CPU_INTERRUPT_EXITTB;
1790 qemu_system_reset_request();
1792 dbsr = env->spr[SPR_40x_DBSR];
1793 dbsr &= ~0x00000300;
1795 env->spr[SPR_40x_DBSR] = dbsr;
1798 void ppc40x_chip_reset (CPUState *env)
1802 printf("Reset PowerPC chip\n");
1803 env->interrupt_request |= CPU_INTERRUPT_EXITTB;
1808 qemu_system_reset_request();
1810 /* XXX: TODO reset all internal peripherals */
1811 dbsr = env->spr[SPR_40x_DBSR];
1812 dbsr &= ~0x00000300;
1814 env->spr[SPR_40x_DBSR] = dbsr;
1817 void ppc40x_system_reset (CPUState *env)
1819 printf("Reset PowerPC system\n");
1820 qemu_system_reset_request();
1823 void store_40x_dbcr0 (CPUState *env, uint32_t val)
1825 switch ((val >> 28) & 0x3) {
1831 ppc40x_core_reset(env);
1835 ppc40x_chip_reset(env);
1839 ppc40x_system_reset(env);
1844 /*****************************************************************************/
1847 PPC405CR_CPC0_PLLMR = 0x0B0,
1848 PPC405CR_CPC0_CR0 = 0x0B1,
1849 PPC405CR_CPC0_CR1 = 0x0B2,
1850 PPC405CR_CPC0_PSR = 0x0B4,
1851 PPC405CR_CPC0_JTAGID = 0x0B5,
1852 PPC405CR_CPC0_ER = 0x0B9,
1853 PPC405CR_CPC0_FR = 0x0BA,
1854 PPC405CR_CPC0_SR = 0x0BB,
1858 PPC405CR_CPU_CLK = 0,
1859 PPC405CR_TMR_CLK = 1,
1860 PPC405CR_PLB_CLK = 2,
1861 PPC405CR_SDRAM_CLK = 3,
1862 PPC405CR_OPB_CLK = 4,
1863 PPC405CR_EXT_CLK = 5,
1864 PPC405CR_UART_CLK = 6,
1865 PPC405CR_CLK_NB = 7,
1868 typedef struct ppc405cr_cpc_t ppc405cr_cpc_t;
1869 struct ppc405cr_cpc_t {
1870 clk_setup_t clk_setup[PPC405CR_CLK_NB];
1881 static void ppc405cr_clk_setup (ppc405cr_cpc_t *cpc)
1883 uint64_t VCO_out, PLL_out;
1884 uint32_t CPU_clk, TMR_clk, SDRAM_clk, PLB_clk, OPB_clk, EXT_clk, UART_clk;
1887 D0 = ((cpc->pllmr >> 26) & 0x3) + 1; /* CBDV */
1888 if (cpc->pllmr & 0x80000000) {
1889 D1 = (((cpc->pllmr >> 20) - 1) & 0xF) + 1; /* FBDV */
1890 D2 = 8 - ((cpc->pllmr >> 16) & 0x7); /* FWDVA */
1892 VCO_out = cpc->sysclk * M;
1893 if (VCO_out < 400000000 || VCO_out > 800000000) {
1894 /* PLL cannot lock */
1895 cpc->pllmr &= ~0x80000000;
1898 PLL_out = VCO_out / D2;
1903 PLL_out = cpc->sysclk * M;
1906 if (cpc->cr1 & 0x00800000)
1907 TMR_clk = cpc->sysclk; /* Should have a separate clock */
1910 PLB_clk = CPU_clk / D0;
1911 SDRAM_clk = PLB_clk;
1912 D0 = ((cpc->pllmr >> 10) & 0x3) + 1;
1913 OPB_clk = PLB_clk / D0;
1914 D0 = ((cpc->pllmr >> 24) & 0x3) + 2;
1915 EXT_clk = PLB_clk / D0;
1916 D0 = ((cpc->cr0 >> 1) & 0x1F) + 1;
1917 UART_clk = CPU_clk / D0;
1918 /* Setup CPU clocks */
1919 clk_setup(&cpc->clk_setup[PPC405CR_CPU_CLK], CPU_clk);
1920 /* Setup time-base clock */
1921 clk_setup(&cpc->clk_setup[PPC405CR_TMR_CLK], TMR_clk);
1922 /* Setup PLB clock */
1923 clk_setup(&cpc->clk_setup[PPC405CR_PLB_CLK], PLB_clk);
1924 /* Setup SDRAM clock */
1925 clk_setup(&cpc->clk_setup[PPC405CR_SDRAM_CLK], SDRAM_clk);
1926 /* Setup OPB clock */
1927 clk_setup(&cpc->clk_setup[PPC405CR_OPB_CLK], OPB_clk);
1928 /* Setup external clock */
1929 clk_setup(&cpc->clk_setup[PPC405CR_EXT_CLK], EXT_clk);
1930 /* Setup UART clock */
1931 clk_setup(&cpc->clk_setup[PPC405CR_UART_CLK], UART_clk);
1934 static uint32_t dcr_read_crcpc (void *opaque, int dcrn)
1936 ppc405cr_cpc_t *cpc;
1941 case PPC405CR_CPC0_PLLMR:
1944 case PPC405CR_CPC0_CR0:
1947 case PPC405CR_CPC0_CR1:
1950 case PPC405CR_CPC0_PSR:
1953 case PPC405CR_CPC0_JTAGID:
1956 case PPC405CR_CPC0_ER:
1959 case PPC405CR_CPC0_FR:
1962 case PPC405CR_CPC0_SR:
1963 ret = ~(cpc->er | cpc->fr) & 0xFFFF0000;
1966 /* Avoid gcc warning */
1974 static void dcr_write_crcpc (void *opaque, int dcrn, uint32_t val)
1976 ppc405cr_cpc_t *cpc;
1980 case PPC405CR_CPC0_PLLMR:
1981 cpc->pllmr = val & 0xFFF77C3F;
1983 case PPC405CR_CPC0_CR0:
1984 cpc->cr0 = val & 0x0FFFFFFE;
1986 case PPC405CR_CPC0_CR1:
1987 cpc->cr1 = val & 0x00800000;
1989 case PPC405CR_CPC0_PSR:
1992 case PPC405CR_CPC0_JTAGID:
1995 case PPC405CR_CPC0_ER:
1996 cpc->er = val & 0xBFFC0000;
1998 case PPC405CR_CPC0_FR:
1999 cpc->fr = val & 0xBFFC0000;
2001 case PPC405CR_CPC0_SR:
2007 static void ppc405cr_cpc_reset (void *opaque)
2009 ppc405cr_cpc_t *cpc;
2013 /* Compute PLLMR value from PSR settings */
2014 cpc->pllmr = 0x80000000;
2016 switch ((cpc->psr >> 30) & 3) {
2019 cpc->pllmr &= ~0x80000000;
2023 cpc->pllmr |= 5 << 16;
2027 cpc->pllmr |= 4 << 16;
2031 cpc->pllmr |= 2 << 16;
2035 D = (cpc->psr >> 28) & 3;
2036 cpc->pllmr |= (D + 1) << 20;
2038 D = (cpc->psr >> 25) & 7;
2053 D = (cpc->psr >> 23) & 3;
2054 cpc->pllmr |= D << 26;
2056 D = (cpc->psr >> 21) & 3;
2057 cpc->pllmr |= D << 10;
2059 D = (cpc->psr >> 17) & 3;
2060 cpc->pllmr |= D << 24;
2061 cpc->cr0 = 0x0000003C;
2062 cpc->cr1 = 0x2B0D8800;
2063 cpc->er = 0x00000000;
2064 cpc->fr = 0x00000000;
2065 ppc405cr_clk_setup(cpc);
2068 static void ppc405cr_clk_init (ppc405cr_cpc_t *cpc)
2072 /* XXX: this should be read from IO pins */
2073 cpc->psr = 0x00000000; /* 8 bits ROM */
2075 D = 0x2; /* Divide by 4 */
2076 cpc->psr |= D << 30;
2078 D = 0x1; /* Divide by 2 */
2079 cpc->psr |= D << 28;
2081 D = 0x1; /* Divide by 2 */
2082 cpc->psr |= D << 23;
2084 D = 0x5; /* M = 16 */
2085 cpc->psr |= D << 25;
2087 D = 0x1; /* Divide by 2 */
2088 cpc->psr |= D << 21;
2090 D = 0x2; /* Divide by 4 */
2091 cpc->psr |= D << 17;
2094 static void ppc405cr_cpc_init (CPUState *env, clk_setup_t clk_setup[7],
2097 ppc405cr_cpc_t *cpc;
2099 cpc = g_malloc0(sizeof(ppc405cr_cpc_t));
2100 memcpy(cpc->clk_setup, clk_setup,
2101 PPC405CR_CLK_NB * sizeof(clk_setup_t));
2102 cpc->sysclk = sysclk;
2103 cpc->jtagid = 0x42051049;
2104 ppc_dcr_register(env, PPC405CR_CPC0_PSR, cpc,
2105 &dcr_read_crcpc, &dcr_write_crcpc);
2106 ppc_dcr_register(env, PPC405CR_CPC0_CR0, cpc,
2107 &dcr_read_crcpc, &dcr_write_crcpc);
2108 ppc_dcr_register(env, PPC405CR_CPC0_CR1, cpc,
2109 &dcr_read_crcpc, &dcr_write_crcpc);
2110 ppc_dcr_register(env, PPC405CR_CPC0_JTAGID, cpc,
2111 &dcr_read_crcpc, &dcr_write_crcpc);
2112 ppc_dcr_register(env, PPC405CR_CPC0_PLLMR, cpc,
2113 &dcr_read_crcpc, &dcr_write_crcpc);
2114 ppc_dcr_register(env, PPC405CR_CPC0_ER, cpc,
2115 &dcr_read_crcpc, &dcr_write_crcpc);
2116 ppc_dcr_register(env, PPC405CR_CPC0_FR, cpc,
2117 &dcr_read_crcpc, &dcr_write_crcpc);
2118 ppc_dcr_register(env, PPC405CR_CPC0_SR, cpc,
2119 &dcr_read_crcpc, &dcr_write_crcpc);
2120 ppc405cr_clk_init(cpc);
2121 qemu_register_reset(ppc405cr_cpc_reset, cpc);
2124 CPUState *ppc405cr_init (target_phys_addr_t ram_bases[4],
2125 target_phys_addr_t ram_sizes[4],
2126 uint32_t sysclk, qemu_irq **picp,
2129 clk_setup_t clk_setup[PPC405CR_CLK_NB];
2130 qemu_irq dma_irqs[4];
2132 qemu_irq *pic, *irqs;
2134 memset(clk_setup, 0, sizeof(clk_setup));
2135 env = ppc4xx_init("405cr", &clk_setup[PPC405CR_CPU_CLK],
2136 &clk_setup[PPC405CR_TMR_CLK], sysclk);
2137 /* Memory mapped devices registers */
2139 ppc4xx_plb_init(env);
2140 /* PLB to OPB bridge */
2141 ppc4xx_pob_init(env);
2143 ppc4xx_opba_init(0xef600600);
2144 /* Universal interrupt controller */
2145 irqs = g_malloc0(sizeof(qemu_irq) * PPCUIC_OUTPUT_NB);
2146 irqs[PPCUIC_OUTPUT_INT] =
2147 ((qemu_irq *)env->irq_inputs)[PPC40x_INPUT_INT];
2148 irqs[PPCUIC_OUTPUT_CINT] =
2149 ((qemu_irq *)env->irq_inputs)[PPC40x_INPUT_CINT];
2150 pic = ppcuic_init(env, irqs, 0x0C0, 0, 1);
2152 /* SDRAM controller */
2153 ppc4xx_sdram_init(env, pic[14], 1, ram_bases, ram_sizes, do_init);
2154 /* External bus controller */
2155 ppc405_ebc_init(env);
2156 /* DMA controller */
2157 dma_irqs[0] = pic[26];
2158 dma_irqs[1] = pic[25];
2159 dma_irqs[2] = pic[24];
2160 dma_irqs[3] = pic[23];
2161 ppc405_dma_init(env, dma_irqs);
2163 if (serial_hds[0] != NULL) {
2164 serial_mm_init(0xef600300, 0, pic[0], PPC_SERIAL_MM_BAUDBASE,
2165 serial_hds[0], 1, 1);
2167 if (serial_hds[1] != NULL) {
2168 serial_mm_init(0xef600400, 0, pic[1], PPC_SERIAL_MM_BAUDBASE,
2169 serial_hds[1], 1, 1);
2171 /* IIC controller */
2172 ppc405_i2c_init(0xef600500, pic[2]);
2174 ppc405_gpio_init(0xef600700);
2176 ppc405cr_cpc_init(env, clk_setup, sysclk);
2181 /*****************************************************************************/
2185 PPC405EP_CPC0_PLLMR0 = 0x0F0,
2186 PPC405EP_CPC0_BOOT = 0x0F1,
2187 PPC405EP_CPC0_EPCTL = 0x0F3,
2188 PPC405EP_CPC0_PLLMR1 = 0x0F4,
2189 PPC405EP_CPC0_UCR = 0x0F5,
2190 PPC405EP_CPC0_SRR = 0x0F6,
2191 PPC405EP_CPC0_JTAGID = 0x0F7,
2192 PPC405EP_CPC0_PCI = 0x0F9,
2194 PPC405EP_CPC0_ER = xxx,
2195 PPC405EP_CPC0_FR = xxx,
2196 PPC405EP_CPC0_SR = xxx,
2201 PPC405EP_CPU_CLK = 0,
2202 PPC405EP_PLB_CLK = 1,
2203 PPC405EP_OPB_CLK = 2,
2204 PPC405EP_EBC_CLK = 3,
2205 PPC405EP_MAL_CLK = 4,
2206 PPC405EP_PCI_CLK = 5,
2207 PPC405EP_UART0_CLK = 6,
2208 PPC405EP_UART1_CLK = 7,
2209 PPC405EP_CLK_NB = 8,
2212 typedef struct ppc405ep_cpc_t ppc405ep_cpc_t;
2213 struct ppc405ep_cpc_t {
2215 clk_setup_t clk_setup[PPC405EP_CLK_NB];
2223 /* Clock and power management */
2229 static void ppc405ep_compute_clocks (ppc405ep_cpc_t *cpc)
2231 uint32_t CPU_clk, PLB_clk, OPB_clk, EBC_clk, MAL_clk, PCI_clk;
2232 uint32_t UART0_clk, UART1_clk;
2233 uint64_t VCO_out, PLL_out;
2237 if ((cpc->pllmr[1] & 0x80000000) && !(cpc->pllmr[1] & 0x40000000)) {
2238 M = (((cpc->pllmr[1] >> 20) - 1) & 0xF) + 1; /* FBMUL */
2239 #ifdef DEBUG_CLOCKS_LL
2240 printf("FBMUL %01" PRIx32 " %d\n", (cpc->pllmr[1] >> 20) & 0xF, M);
2242 D = 8 - ((cpc->pllmr[1] >> 16) & 0x7); /* FWDA */
2243 #ifdef DEBUG_CLOCKS_LL
2244 printf("FWDA %01" PRIx32 " %d\n", (cpc->pllmr[1] >> 16) & 0x7, D);
2246 VCO_out = cpc->sysclk * M * D;
2247 if (VCO_out < 500000000UL || VCO_out > 1000000000UL) {
2248 /* Error - unlock the PLL */
2249 printf("VCO out of range %" PRIu64 "\n", VCO_out);
2251 cpc->pllmr[1] &= ~0x80000000;
2255 PLL_out = VCO_out / D;
2256 /* Pretend the PLL is locked */
2257 cpc->boot |= 0x00000001;
2262 PLL_out = cpc->sysclk;
2263 if (cpc->pllmr[1] & 0x40000000) {
2264 /* Pretend the PLL is not locked */
2265 cpc->boot &= ~0x00000001;
2268 /* Now, compute all other clocks */
2269 D = ((cpc->pllmr[0] >> 20) & 0x3) + 1; /* CCDV */
2270 #ifdef DEBUG_CLOCKS_LL
2271 printf("CCDV %01" PRIx32 " %d\n", (cpc->pllmr[0] >> 20) & 0x3, D);
2273 CPU_clk = PLL_out / D;
2274 D = ((cpc->pllmr[0] >> 16) & 0x3) + 1; /* CBDV */
2275 #ifdef DEBUG_CLOCKS_LL
2276 printf("CBDV %01" PRIx32 " %d\n", (cpc->pllmr[0] >> 16) & 0x3, D);
2278 PLB_clk = CPU_clk / D;
2279 D = ((cpc->pllmr[0] >> 12) & 0x3) + 1; /* OPDV */
2280 #ifdef DEBUG_CLOCKS_LL
2281 printf("OPDV %01" PRIx32 " %d\n", (cpc->pllmr[0] >> 12) & 0x3, D);
2283 OPB_clk = PLB_clk / D;
2284 D = ((cpc->pllmr[0] >> 8) & 0x3) + 2; /* EPDV */
2285 #ifdef DEBUG_CLOCKS_LL
2286 printf("EPDV %01" PRIx32 " %d\n", (cpc->pllmr[0] >> 8) & 0x3, D);
2288 EBC_clk = PLB_clk / D;
2289 D = ((cpc->pllmr[0] >> 4) & 0x3) + 1; /* MPDV */
2290 #ifdef DEBUG_CLOCKS_LL
2291 printf("MPDV %01" PRIx32 " %d\n", (cpc->pllmr[0] >> 4) & 0x3, D);
2293 MAL_clk = PLB_clk / D;
2294 D = (cpc->pllmr[0] & 0x3) + 1; /* PPDV */
2295 #ifdef DEBUG_CLOCKS_LL
2296 printf("PPDV %01" PRIx32 " %d\n", cpc->pllmr[0] & 0x3, D);
2298 PCI_clk = PLB_clk / D;
2299 D = ((cpc->ucr - 1) & 0x7F) + 1; /* U0DIV */
2300 #ifdef DEBUG_CLOCKS_LL
2301 printf("U0DIV %01" PRIx32 " %d\n", cpc->ucr & 0x7F, D);
2303 UART0_clk = PLL_out / D;
2304 D = (((cpc->ucr >> 8) - 1) & 0x7F) + 1; /* U1DIV */
2305 #ifdef DEBUG_CLOCKS_LL
2306 printf("U1DIV %01" PRIx32 " %d\n", (cpc->ucr >> 8) & 0x7F, D);
2308 UART1_clk = PLL_out / D;
2310 printf("Setup PPC405EP clocks - sysclk %" PRIu32 " VCO %" PRIu64
2311 " PLL out %" PRIu64 " Hz\n", cpc->sysclk, VCO_out, PLL_out);
2312 printf("CPU %" PRIu32 " PLB %" PRIu32 " OPB %" PRIu32 " EBC %" PRIu32
2313 " MAL %" PRIu32 " PCI %" PRIu32 " UART0 %" PRIu32
2314 " UART1 %" PRIu32 "\n",
2315 CPU_clk, PLB_clk, OPB_clk, EBC_clk, MAL_clk, PCI_clk,
2316 UART0_clk, UART1_clk);
2318 /* Setup CPU clocks */
2319 clk_setup(&cpc->clk_setup[PPC405EP_CPU_CLK], CPU_clk);
2320 /* Setup PLB clock */
2321 clk_setup(&cpc->clk_setup[PPC405EP_PLB_CLK], PLB_clk);
2322 /* Setup OPB clock */
2323 clk_setup(&cpc->clk_setup[PPC405EP_OPB_CLK], OPB_clk);
2324 /* Setup external clock */
2325 clk_setup(&cpc->clk_setup[PPC405EP_EBC_CLK], EBC_clk);
2326 /* Setup MAL clock */
2327 clk_setup(&cpc->clk_setup[PPC405EP_MAL_CLK], MAL_clk);
2328 /* Setup PCI clock */
2329 clk_setup(&cpc->clk_setup[PPC405EP_PCI_CLK], PCI_clk);
2330 /* Setup UART0 clock */
2331 clk_setup(&cpc->clk_setup[PPC405EP_UART0_CLK], UART0_clk);
2332 /* Setup UART1 clock */
2333 clk_setup(&cpc->clk_setup[PPC405EP_UART1_CLK], UART1_clk);
2336 static uint32_t dcr_read_epcpc (void *opaque, int dcrn)
2338 ppc405ep_cpc_t *cpc;
2343 case PPC405EP_CPC0_BOOT:
2346 case PPC405EP_CPC0_EPCTL:
2349 case PPC405EP_CPC0_PLLMR0:
2350 ret = cpc->pllmr[0];
2352 case PPC405EP_CPC0_PLLMR1:
2353 ret = cpc->pllmr[1];
2355 case PPC405EP_CPC0_UCR:
2358 case PPC405EP_CPC0_SRR:
2361 case PPC405EP_CPC0_JTAGID:
2364 case PPC405EP_CPC0_PCI:
2368 /* Avoid gcc warning */
2376 static void dcr_write_epcpc (void *opaque, int dcrn, uint32_t val)
2378 ppc405ep_cpc_t *cpc;
2382 case PPC405EP_CPC0_BOOT:
2383 /* Read-only register */
2385 case PPC405EP_CPC0_EPCTL:
2386 /* Don't care for now */
2387 cpc->epctl = val & 0xC00000F3;
2389 case PPC405EP_CPC0_PLLMR0:
2390 cpc->pllmr[0] = val & 0x00633333;
2391 ppc405ep_compute_clocks(cpc);
2393 case PPC405EP_CPC0_PLLMR1:
2394 cpc->pllmr[1] = val & 0xC0F73FFF;
2395 ppc405ep_compute_clocks(cpc);
2397 case PPC405EP_CPC0_UCR:
2398 /* UART control - don't care for now */
2399 cpc->ucr = val & 0x003F7F7F;
2401 case PPC405EP_CPC0_SRR:
2404 case PPC405EP_CPC0_JTAGID:
2407 case PPC405EP_CPC0_PCI:
2413 static void ppc405ep_cpc_reset (void *opaque)
2415 ppc405ep_cpc_t *cpc = opaque;
2417 cpc->boot = 0x00000010; /* Boot from PCI - IIC EEPROM disabled */
2418 cpc->epctl = 0x00000000;
2419 cpc->pllmr[0] = 0x00011010;
2420 cpc->pllmr[1] = 0x40000000;
2421 cpc->ucr = 0x00000000;
2422 cpc->srr = 0x00040000;
2423 cpc->pci = 0x00000000;
2424 cpc->er = 0x00000000;
2425 cpc->fr = 0x00000000;
2426 cpc->sr = 0x00000000;
2427 ppc405ep_compute_clocks(cpc);
2430 /* XXX: sysclk should be between 25 and 100 MHz */
2431 static void ppc405ep_cpc_init (CPUState *env, clk_setup_t clk_setup[8],
2434 ppc405ep_cpc_t *cpc;
2436 cpc = g_malloc0(sizeof(ppc405ep_cpc_t));
2437 memcpy(cpc->clk_setup, clk_setup,
2438 PPC405EP_CLK_NB * sizeof(clk_setup_t));
2439 cpc->jtagid = 0x20267049;
2440 cpc->sysclk = sysclk;
2441 qemu_register_reset(&ppc405ep_cpc_reset, cpc);
2442 ppc_dcr_register(env, PPC405EP_CPC0_BOOT, cpc,
2443 &dcr_read_epcpc, &dcr_write_epcpc);
2444 ppc_dcr_register(env, PPC405EP_CPC0_EPCTL, cpc,
2445 &dcr_read_epcpc, &dcr_write_epcpc);
2446 ppc_dcr_register(env, PPC405EP_CPC0_PLLMR0, cpc,
2447 &dcr_read_epcpc, &dcr_write_epcpc);
2448 ppc_dcr_register(env, PPC405EP_CPC0_PLLMR1, cpc,
2449 &dcr_read_epcpc, &dcr_write_epcpc);
2450 ppc_dcr_register(env, PPC405EP_CPC0_UCR, cpc,
2451 &dcr_read_epcpc, &dcr_write_epcpc);
2452 ppc_dcr_register(env, PPC405EP_CPC0_SRR, cpc,
2453 &dcr_read_epcpc, &dcr_write_epcpc);
2454 ppc_dcr_register(env, PPC405EP_CPC0_JTAGID, cpc,
2455 &dcr_read_epcpc, &dcr_write_epcpc);
2456 ppc_dcr_register(env, PPC405EP_CPC0_PCI, cpc,
2457 &dcr_read_epcpc, &dcr_write_epcpc);
2459 ppc_dcr_register(env, PPC405EP_CPC0_ER, cpc,
2460 &dcr_read_epcpc, &dcr_write_epcpc);
2461 ppc_dcr_register(env, PPC405EP_CPC0_FR, cpc,
2462 &dcr_read_epcpc, &dcr_write_epcpc);
2463 ppc_dcr_register(env, PPC405EP_CPC0_SR, cpc,
2464 &dcr_read_epcpc, &dcr_write_epcpc);
2468 CPUState *ppc405ep_init (target_phys_addr_t ram_bases[2],
2469 target_phys_addr_t ram_sizes[2],
2470 uint32_t sysclk, qemu_irq **picp,
2473 clk_setup_t clk_setup[PPC405EP_CLK_NB], tlb_clk_setup;
2474 qemu_irq dma_irqs[4], gpt_irqs[5], mal_irqs[4];
2476 qemu_irq *pic, *irqs;
2478 memset(clk_setup, 0, sizeof(clk_setup));
2480 env = ppc4xx_init("405ep", &clk_setup[PPC405EP_CPU_CLK],
2481 &tlb_clk_setup, sysclk);
2482 clk_setup[PPC405EP_CPU_CLK].cb = tlb_clk_setup.cb;
2483 clk_setup[PPC405EP_CPU_CLK].opaque = tlb_clk_setup.opaque;
2484 /* Internal devices init */
2485 /* Memory mapped devices registers */
2487 ppc4xx_plb_init(env);
2488 /* PLB to OPB bridge */
2489 ppc4xx_pob_init(env);
2491 ppc4xx_opba_init(0xef600600);
2492 /* Universal interrupt controller */
2493 irqs = g_malloc0(sizeof(qemu_irq) * PPCUIC_OUTPUT_NB);
2494 irqs[PPCUIC_OUTPUT_INT] =
2495 ((qemu_irq *)env->irq_inputs)[PPC40x_INPUT_INT];
2496 irqs[PPCUIC_OUTPUT_CINT] =
2497 ((qemu_irq *)env->irq_inputs)[PPC40x_INPUT_CINT];
2498 pic = ppcuic_init(env, irqs, 0x0C0, 0, 1);
2500 /* SDRAM controller */
2501 /* XXX 405EP has no ECC interrupt */
2502 ppc4xx_sdram_init(env, pic[17], 2, ram_bases, ram_sizes, do_init);
2503 /* External bus controller */
2504 ppc405_ebc_init(env);
2505 /* DMA controller */
2506 dma_irqs[0] = pic[5];
2507 dma_irqs[1] = pic[6];
2508 dma_irqs[2] = pic[7];
2509 dma_irqs[3] = pic[8];
2510 ppc405_dma_init(env, dma_irqs);
2511 /* IIC controller */
2512 ppc405_i2c_init(0xef600500, pic[2]);
2514 ppc405_gpio_init(0xef600700);
2516 if (serial_hds[0] != NULL) {
2517 serial_mm_init(0xef600300, 0, pic[0], PPC_SERIAL_MM_BAUDBASE,
2518 serial_hds[0], 1, 1);
2520 if (serial_hds[1] != NULL) {
2521 serial_mm_init(0xef600400, 0, pic[1], PPC_SERIAL_MM_BAUDBASE,
2522 serial_hds[1], 1, 1);
2525 ppc405_ocm_init(env);
2527 gpt_irqs[0] = pic[19];
2528 gpt_irqs[1] = pic[20];
2529 gpt_irqs[2] = pic[21];
2530 gpt_irqs[3] = pic[22];
2531 gpt_irqs[4] = pic[23];
2532 ppc4xx_gpt_init(0xef600000, gpt_irqs);
2534 /* Uses pic[3], pic[16], pic[18] */
2536 mal_irqs[0] = pic[11];
2537 mal_irqs[1] = pic[12];
2538 mal_irqs[2] = pic[13];
2539 mal_irqs[3] = pic[14];
2540 ppc405_mal_init(env, mal_irqs);
2542 /* Uses pic[9], pic[15], pic[17] */
2544 ppc405ep_cpc_init(env, clk_setup, sysclk);