hw/sh4/sh7750.c

   1 /*
   2  * SH7750 device
   3  *
   4  * Copyright (c) 2007 Magnus Damm
   5  * Copyright (c) 2005 Samuel Tardieu
   6  *
   7  * Permission is hereby granted, free of charge, to any person obtaining a copy
   8  * of this software and associated documentation files (the "Software"), to deal
   9  * in the Software without restriction, including without limitation the rights
  10  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  11  * copies of the Software, and to permit persons to whom the Software is
  12  * furnished to do so, subject to the following conditions:
  13  *
  14  * The above copyright notice and this permission notice shall be included in
  15  * all copies or substantial portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  20  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  21  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  22  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  23  * THE SOFTWARE.
  24  */
  25 #include "qemu/osdep.h"
  26 #include "hw/hw.h"
  27 #include "hw/sh4/sh.h"
  28 #include "sysemu/sysemu.h"
  29 #include "sh7750_regs.h"
  30 #include "sh7750_regnames.h"
  31 #include "hw/sh4/sh_intc.h"
  32 #include "cpu.h"
  33 #include "exec/exec-all.h"
  34
  35 #define NB_DEVICES 4
  36
  37 typedef struct SH7750State {
  38     MemoryRegion iomem;
  39     MemoryRegion iomem_1f0;
  40     MemoryRegion iomem_ff0;
  41     MemoryRegion iomem_1f8;
  42     MemoryRegion iomem_ff8;
  43     MemoryRegion iomem_1fc;
  44     MemoryRegion iomem_ffc;
  45     MemoryRegion mmct_iomem;
  46     /* CPU */
  47     SuperHCPU *cpu;
  48     /* Peripheral frequency in Hz */
  49     uint32_t periph_freq;
  50     /* SDRAM controller */
  51     uint32_t bcr1;
  52     uint16_t bcr2;
  53     uint16_t bcr3;
  54     uint32_t bcr4;
  55     uint16_t rfcr;
  56     /* PCMCIA controller */
  57     uint16_t pcr;
  58     /* IO ports */
  59     uint16_t gpioic;
  60     uint32_t pctra;
  61     uint32_t pctrb;
  62     uint16_t portdira;          /* Cached */
  63     uint16_t portpullupa;       /* Cached */
  64     uint16_t portdirb;          /* Cached */
  65     uint16_t portpullupb;       /* Cached */
  66     uint16_t pdtra;
  67     uint16_t pdtrb;
  68     uint16_t periph_pdtra;      /* Imposed by the peripherals */
  69     uint16_t periph_portdira;   /* Direction seen from the peripherals */
  70     uint16_t periph_pdtrb;      /* Imposed by the peripherals */
  71     uint16_t periph_portdirb;   /* Direction seen from the peripherals */
  72     sh7750_io_device *devices[NB_DEVICES];      /* External peripherals */
  73
  74     /* Cache */
  75     uint32_t ccr;
  76
  77     struct intc_desc intc;
  78 } SH7750State;
  79
  80 static inline int has_bcr3_and_bcr4(SH7750State * s)
  81 {
  82     return s->cpu->env.features & SH_FEATURE_BCR3_AND_BCR4;
  83 }
  84 /**********************************************************************
  85  I/O ports
  86 **********************************************************************/
  87
  88 int sh7750_register_io_device(SH7750State * s, sh7750_io_device * device)
  89 {
  90     int i;
  91
  92     for (i = 0; i < NB_DEVICES; i++) {
  93         if (s->devices[i] == NULL) {
  94             s->devices[i] = device;
  95             return 0;
  96         }
  97     }
  98     return -1;
  99 }
 100
 101 static uint16_t portdir(uint32_t v)
 102 {
 103 #define EVENPORTMASK(n) ((v & (1<<((n)<<1))) >> (n))
 104     return
 105         EVENPORTMASK(15) | EVENPORTMASK(14) | EVENPORTMASK(13) |
 106         EVENPORTMASK(12) | EVENPORTMASK(11) | EVENPORTMASK(10) |
 107         EVENPORTMASK(9) | EVENPORTMASK(8) | EVENPORTMASK(7) |
 108         EVENPORTMASK(6) | EVENPORTMASK(5) | EVENPORTMASK(4) |
 109         EVENPORTMASK(3) | EVENPORTMASK(2) | EVENPORTMASK(1) |
 110         EVENPORTMASK(0);
 111 }
 112
 113 static uint16_t portpullup(uint32_t v)
 114 {
 115 #define ODDPORTMASK(n) ((v & (1<<(((n)<<1)+1))) >> (n))
 116     return
 117         ODDPORTMASK(15) | ODDPORTMASK(14) | ODDPORTMASK(13) |
 118         ODDPORTMASK(12) | ODDPORTMASK(11) | ODDPORTMASK(10) |
 119         ODDPORTMASK(9) | ODDPORTMASK(8) | ODDPORTMASK(7) | ODDPORTMASK(6) |
 120         ODDPORTMASK(5) | ODDPORTMASK(4) | ODDPORTMASK(3) | ODDPORTMASK(2) |
 121         ODDPORTMASK(1) | ODDPORTMASK(0);
 122 }
 123
 124 static uint16_t porta_lines(SH7750State * s)
 125 {
 126     return (s->portdira & s->pdtra) |   /* CPU */
 127         (s->periph_portdira & s->periph_pdtra) |        /* Peripherals */
 128         (~(s->portdira | s->periph_portdira) & s->portpullupa); /* Pullups */
 129 }
 130
 131 static uint16_t portb_lines(SH7750State * s)
 132 {
 133     return (s->portdirb & s->pdtrb) |   /* CPU */
 134         (s->periph_portdirb & s->periph_pdtrb) |        /* Peripherals */
 135         (~(s->portdirb | s->periph_portdirb) & s->portpullupb); /* Pullups */
 136 }
 137
 138 static void gen_port_interrupts(SH7750State * s)
 139 {
 140     /* XXXXX interrupts not generated */
 141 }
 142
 143 static void porta_changed(SH7750State * s, uint16_t prev)
 144 {
 145     uint16_t currenta, changes;
 146     int i, r = 0;
 147
 148 #if 0
 149     fprintf(stderr, "porta changed from 0x%04x to 0x%04x\n",
 150             prev, porta_lines(s));
 151     fprintf(stderr, "pdtra=0x%04x, pctra=0x%08x\n", s->pdtra, s->pctra);
 152 #endif
 153     currenta = porta_lines(s);
 154     if (currenta == prev)
 155         return;
 156     changes = currenta ^ prev;
 157
 158     for (i = 0; i < NB_DEVICES; i++) {
 159         if (s->devices[i] && (s->devices[i]->portamask_trigger & changes)) {
 160             r |= s->devices[i]->port_change_cb(currenta, portb_lines(s),
 161                                                &s->periph_pdtra,
 162                                                &s->periph_portdira,
 163                                                &s->periph_pdtrb,
 164                                                &s->periph_portdirb);
 165         }
 166     }
 167
 168     if (r)
 169         gen_port_interrupts(s);
 170 }
 171
 172 static void portb_changed(SH7750State * s, uint16_t prev)
 173 {
 174     uint16_t currentb, changes;
 175     int i, r = 0;
 176
 177     currentb = portb_lines(s);
 178     if (currentb == prev)
 179         return;
 180     changes = currentb ^ prev;
 181
 182     for (i = 0; i < NB_DEVICES; i++) {
 183         if (s->devices[i] && (s->devices[i]->portbmask_trigger & changes)) {
 184             r |= s->devices[i]->port_change_cb(portb_lines(s), currentb,
 185                                                &s->periph_pdtra,
 186                                                &s->periph_portdira,
 187                                                &s->periph_pdtrb,
 188                                                &s->periph_portdirb);
 189         }
 190     }
 191
 192     if (r)
 193         gen_port_interrupts(s);
 194 }
 195
 196 /**********************************************************************
 197  Memory
 198 **********************************************************************/
 199
 200 static void error_access(const char *kind, hwaddr addr)
 201 {
 202     fprintf(stderr, "%s to %s (0x" TARGET_FMT_plx ") not supported\n",
 203             kind, regname(addr), addr);
 204 }
 205
 206 static void ignore_access(const char *kind, hwaddr addr)
 207 {
 208     fprintf(stderr, "%s to %s (0x" TARGET_FMT_plx ") ignored\n",
 209             kind, regname(addr), addr);
 210 }
 211
 212 static uint32_t sh7750_mem_readb(void *opaque, hwaddr addr)
 213 {
 214     switch (addr) {
 215     default:
 216         error_access("byte read", addr);
 217         abort();
 218     }
 219 }
 220
 221 static uint32_t sh7750_mem_readw(void *opaque, hwaddr addr)
 222 {
 223     SH7750State *s = opaque;
 224
 225     switch (addr) {
 226     case SH7750_BCR2_A7:
 227         return s->bcr2;
 228     case SH7750_BCR3_A7:
 229         if(!has_bcr3_and_bcr4(s))
 230             error_access("word read", addr);
 231         return s->bcr3;
 232     case SH7750_FRQCR_A7:
 233         return 0;
 234     case SH7750_PCR_A7:
 235         return s->pcr;
 236     case SH7750_RFCR_A7:
 237         fprintf(stderr,
 238                 "Read access to refresh count register, incrementing\n");
 239         return s->rfcr++;
 240     case SH7750_PDTRA_A7:
 241         return porta_lines(s);
 242     case SH7750_PDTRB_A7:
 243         return portb_lines(s);
 244     case SH7750_RTCOR_A7:
 245     case SH7750_RTCNT_A7:
 246     case SH7750_RTCSR_A7:
 247         ignore_access("word read", addr);
 248         return 0;
 249     default:
 250         error_access("word read", addr);
 251         abort();
 252     }
 253 }
 254
 255 static uint32_t sh7750_mem_readl(void *opaque, hwaddr addr)
 256 {
 257     SH7750State *s = opaque;
 258     SuperHCPUClass *scc;
 259
 260     switch (addr) {
 261     case SH7750_BCR1_A7:
 262         return s->bcr1;
 263     case SH7750_BCR4_A7:
 264         if(!has_bcr3_and_bcr4(s))
 265             error_access("long read", addr);
 266         return s->bcr4;
 267     case SH7750_WCR1_A7:
 268     case SH7750_WCR2_A7:
 269     case SH7750_WCR3_A7:
 270     case SH7750_MCR_A7:
 271         ignore_access("long read", addr);
 272         return 0;
 273     case SH7750_MMUCR_A7:
 274         return s->cpu->env.mmucr;
 275     case SH7750_PTEH_A7:
 276         return s->cpu->env.pteh;
 277     case SH7750_PTEL_A7:
 278         return s->cpu->env.ptel;
 279     case SH7750_TTB_A7:
 280         return s->cpu->env.ttb;
 281     case SH7750_TEA_A7:
 282         return s->cpu->env.tea;
 283     case SH7750_TRA_A7:
 284         return s->cpu->env.tra;
 285     case SH7750_EXPEVT_A7:
 286         return s->cpu->env.expevt;
 287     case SH7750_INTEVT_A7:
 288         return s->cpu->env.intevt;
 289     case SH7750_CCR_A7:
 290         return s->ccr;
 291     case 0x1f000030:            /* Processor version */
 292         scc = SUPERH_CPU_GET_CLASS(s->cpu);
 293         return scc->pvr;
 294     case 0x1f000040:            /* Cache version */
 295         scc = SUPERH_CPU_GET_CLASS(s->cpu);
 296         return scc->cvr;
 297     case 0x1f000044:            /* Processor revision */
 298         scc = SUPERH_CPU_GET_CLASS(s->cpu);
 299         return scc->prr;
 300     default:
 301         error_access("long read", addr);
 302         abort();
 303     }
 304 }
 305
 306 #define is_in_sdrmx(a, x) (a >= SH7750_SDMR ## x ## _A7 \
 307                         && a <= (SH7750_SDMR ## x ## _A7 + SH7750_SDMR ## x ## _REGNB))
 308 static void sh7750_mem_writeb(void *opaque, hwaddr addr,
 309                               uint32_t mem_value)
 310 {
 311
 312     if (is_in_sdrmx(addr, 2) || is_in_sdrmx(addr, 3)) {
 313         ignore_access("byte write", addr);
 314         return;
 315     }
 316
 317     error_access("byte write", addr);
 318     abort();
 319 }
 320
 321 static void sh7750_mem_writew(void *opaque, hwaddr addr,
 322                               uint32_t mem_value)
 323 {
 324     SH7750State *s = opaque;
 325     uint16_t temp;
 326
 327     switch (addr) {
 328         /* SDRAM controller */
 329     case SH7750_BCR2_A7:
 330         s->bcr2 = mem_value;
 331         return;
 332     case SH7750_BCR3_A7:
 333         if(!has_bcr3_and_bcr4(s))
 334             error_access("word write", addr);
 335         s->bcr3 = mem_value;
 336         return;
 337     case SH7750_PCR_A7:
 338         s->pcr = mem_value;
 339         return;
 340     case SH7750_RTCNT_A7:
 341     case SH7750_RTCOR_A7:
 342     case SH7750_RTCSR_A7:
 343         ignore_access("word write", addr);
 344         return;
 345         /* IO ports */
 346     case SH7750_PDTRA_A7:
 347         temp = porta_lines(s);
 348         s->pdtra = mem_value;
 349         porta_changed(s, temp);
 350         return;
 351     case SH7750_PDTRB_A7:
 352         temp = portb_lines(s);
 353         s->pdtrb = mem_value;
 354         portb_changed(s, temp);
 355         return;
 356     case SH7750_RFCR_A7:
 357         fprintf(stderr, "Write access to refresh count register\n");
 358         s->rfcr = mem_value;
 359         return;
 360     case SH7750_GPIOIC_A7:
 361         s->gpioic = mem_value;
 362         if (mem_value != 0) {
 363             fprintf(stderr, "I/O interrupts not implemented\n");
 364             abort();
 365         }
 366         return;
 367     default:
 368         error_access("word write", addr);
 369         abort();
 370     }
 371 }
 372
 373 static void sh7750_mem_writel(void *opaque, hwaddr addr,
 374                               uint32_t mem_value)
 375 {
 376     SH7750State *s = opaque;
 377     uint16_t temp;
 378
 379     switch (addr) {
 380         /* SDRAM controller */
 381     case SH7750_BCR1_A7:
 382         s->bcr1 = mem_value;
 383         return;
 384     case SH7750_BCR4_A7:
 385         if(!has_bcr3_and_bcr4(s))
 386             error_access("long write", addr);
 387         s->bcr4 = mem_value;
 388         return;
 389     case SH7750_WCR1_A7:
 390     case SH7750_WCR2_A7:
 391     case SH7750_WCR3_A7:
 392     case SH7750_MCR_A7:
 393         ignore_access("long write", addr);
 394         return;
 395         /* IO ports */
 396     case SH7750_PCTRA_A7:
 397         temp = porta_lines(s);
 398         s->pctra = mem_value;
 399         s->portdira = portdir(mem_value);
 400         s->portpullupa = portpullup(mem_value);
 401         porta_changed(s, temp);
 402         return;
 403     case SH7750_PCTRB_A7:
 404         temp = portb_lines(s);
 405         s->pctrb = mem_value;
 406         s->portdirb = portdir(mem_value);
 407         s->portpullupb = portpullup(mem_value);
 408         portb_changed(s, temp);
 409         return;
 410     case SH7750_MMUCR_A7:
 411         if (mem_value & MMUCR_TI) {
 412             cpu_sh4_invalidate_tlb(&s->cpu->env);
 413         }
 414         s->cpu->env.mmucr = mem_value & ~MMUCR_TI;
 415         return;
 416     case SH7750_PTEH_A7:
 417         /* If asid changes, clear all registered tlb entries. */
 418         if ((s->cpu->env.pteh & 0xff) != (mem_value & 0xff)) {
 419             tlb_flush(CPU(s->cpu));
 420         }
 421         s->cpu->env.pteh = mem_value;
 422         return;
 423     case SH7750_PTEL_A7:
 424         s->cpu->env.ptel = mem_value;
 425         return;
 426     case SH7750_PTEA_A7:
 427         s->cpu->env.ptea = mem_value & 0x0000000f;
 428         return;
 429     case SH7750_TTB_A7:
 430         s->cpu->env.ttb = mem_value;
 431         return;
 432     case SH7750_TEA_A7:
 433         s->cpu->env.tea = mem_value;
 434         return;
 435     case SH7750_TRA_A7:
 436         s->cpu->env.tra = mem_value & 0x000007ff;
 437         return;
 438     case SH7750_EXPEVT_A7:
 439         s->cpu->env.expevt = mem_value & 0x000007ff;
 440         return;
 441     case SH7750_INTEVT_A7:
 442         s->cpu->env.intevt = mem_value & 0x000007ff;
 443         return;
 444     case SH7750_CCR_A7:
 445         s->ccr = mem_value;
 446         return;
 447     default:
 448         error_access("long write", addr);
 449         abort();
 450     }
 451 }
 452
 453 static uint64_t sh7750_mem_readfn(void *opaque, hwaddr addr, unsigned size)
 454 {
 455     switch (size) {
 456     case 1:
 457         return sh7750_mem_readb(opaque, addr);
 458     case 2:
 459         return sh7750_mem_readw(opaque, addr);
 460     case 4:
 461         return sh7750_mem_readl(opaque, addr);
 462     default:
 463         g_assert_not_reached();
 464     }
 465 }
 466
 467 static void sh7750_mem_writefn(void *opaque, hwaddr addr,
 468                                uint64_t value, unsigned size)
 469 {
 470     switch (size) {
 471     case 1:
 472         sh7750_mem_writeb(opaque, addr, value);
 473         break;
 474     case 2:
 475         sh7750_mem_writew(opaque, addr, value);
 476         break;
 477     case 4:
 478         sh7750_mem_writel(opaque, addr, value);
 479         break;
 480     default:
 481         g_assert_not_reached();
 482     }
 483 }
 484
 485 static const MemoryRegionOps sh7750_mem_ops = {
 486     .read = sh7750_mem_readfn,
 487     .write = sh7750_mem_writefn,
 488     .valid.min_access_size = 1,
 489     .valid.max_access_size = 4,
 490     .endianness = DEVICE_NATIVE_ENDIAN,
 491 };
 492
 493 /* sh775x interrupt controller tables for sh_intc.c
 494  * stolen from linux/arch/sh/kernel/cpu/sh4/setup-sh7750.c
 495  */
 496
 497 enum {
 498         UNUSED = 0,
 499
 500         /* interrupt sources */
 501         IRL_0, IRL_1, IRL_2, IRL_3, IRL_4, IRL_5, IRL_6, IRL_7,
 502         IRL_8, IRL_9, IRL_A, IRL_B, IRL_C, IRL_D, IRL_E,
 503         IRL0, IRL1, IRL2, IRL3,
 504         HUDI, GPIOI,
 505         DMAC_DMTE0, DMAC_DMTE1, DMAC_DMTE2, DMAC_DMTE3,
 506         DMAC_DMTE4, DMAC_DMTE5, DMAC_DMTE6, DMAC_DMTE7,
 507         DMAC_DMAE,
 508         PCIC0_PCISERR, PCIC1_PCIERR, PCIC1_PCIPWDWN, PCIC1_PCIPWON,
 509         PCIC1_PCIDMA0, PCIC1_PCIDMA1, PCIC1_PCIDMA2, PCIC1_PCIDMA3,
 510         TMU3, TMU4, TMU0, TMU1, TMU2_TUNI, TMU2_TICPI,
 511         RTC_ATI, RTC_PRI, RTC_CUI,
 512         SCI1_ERI, SCI1_RXI, SCI1_TXI, SCI1_TEI,
 513         SCIF_ERI, SCIF_RXI, SCIF_BRI, SCIF_TXI,
 514         WDT,
 515         REF_RCMI, REF_ROVI,
 516
 517         /* interrupt groups */
 518         DMAC, PCIC1, TMU2, RTC, SCI1, SCIF, REF,
 519         /* irl bundle */
 520         IRL,
 521
 522         NR_SOURCES,
 523 };
 524
 525 static struct intc_vect vectors[] = {
 526         INTC_VECT(HUDI, 0x600), INTC_VECT(GPIOI, 0x620),
 527         INTC_VECT(TMU0, 0x400), INTC_VECT(TMU1, 0x420),
 528         INTC_VECT(TMU2_TUNI, 0x440), INTC_VECT(TMU2_TICPI, 0x460),
 529         INTC_VECT(RTC_ATI, 0x480), INTC_VECT(RTC_PRI, 0x4a0),
 530         INTC_VECT(RTC_CUI, 0x4c0),
 531         INTC_VECT(SCI1_ERI, 0x4e0), INTC_VECT(SCI1_RXI, 0x500),
 532         INTC_VECT(SCI1_TXI, 0x520), INTC_VECT(SCI1_TEI, 0x540),
 533         INTC_VECT(SCIF_ERI, 0x700), INTC_VECT(SCIF_RXI, 0x720),
 534         INTC_VECT(SCIF_BRI, 0x740), INTC_VECT(SCIF_TXI, 0x760),
 535         INTC_VECT(WDT, 0x560),
 536         INTC_VECT(REF_RCMI, 0x580), INTC_VECT(REF_ROVI, 0x5a0),
 537 };
 538
 539 static struct intc_group groups[] = {
 540         INTC_GROUP(TMU2, TMU2_TUNI, TMU2_TICPI),
 541         INTC_GROUP(RTC, RTC_ATI, RTC_PRI, RTC_CUI),
 542         INTC_GROUP(SCI1, SCI1_ERI, SCI1_RXI, SCI1_TXI, SCI1_TEI),
 543         INTC_GROUP(SCIF, SCIF_ERI, SCIF_RXI, SCIF_BRI, SCIF_TXI),
 544         INTC_GROUP(REF, REF_RCMI, REF_ROVI),
 545 };
 546
 547 static struct intc_prio_reg prio_registers[] = {
 548         { 0xffd00004, 0, 16, 4, /* IPRA */ { TMU0, TMU1, TMU2, RTC } },
 549         { 0xffd00008, 0, 16, 4, /* IPRB */ { WDT, REF, SCI1, 0 } },
 550         { 0xffd0000c, 0, 16, 4, /* IPRC */ { GPIOI, DMAC, SCIF, HUDI } },
 551         { 0xffd00010, 0, 16, 4, /* IPRD */ { IRL0, IRL1, IRL2, IRL3 } },
 552         { 0xfe080000, 0, 32, 4, /* INTPRI00 */ { 0, 0, 0, 0,
 553                                                  TMU4, TMU3,
 554                                                  PCIC1, PCIC0_PCISERR } },
 555 };
 556
 557 /* SH7750, SH7750S, SH7751 and SH7091 all have 4-channel DMA controllers */
 558
 559 static struct intc_vect vectors_dma4[] = {
 560         INTC_VECT(DMAC_DMTE0, 0x640), INTC_VECT(DMAC_DMTE1, 0x660),
 561         INTC_VECT(DMAC_DMTE2, 0x680), INTC_VECT(DMAC_DMTE3, 0x6a0),
 562         INTC_VECT(DMAC_DMAE, 0x6c0),
 563 };
 564
 565 static struct intc_group groups_dma4[] = {
 566         INTC_GROUP(DMAC, DMAC_DMTE0, DMAC_DMTE1, DMAC_DMTE2,
 567                    DMAC_DMTE3, DMAC_DMAE),
 568 };
 569
 570 /* SH7750R and SH7751R both have 8-channel DMA controllers */
 571
 572 static struct intc_vect vectors_dma8[] = {
 573         INTC_VECT(DMAC_DMTE0, 0x640), INTC_VECT(DMAC_DMTE1, 0x660),
 574         INTC_VECT(DMAC_DMTE2, 0x680), INTC_VECT(DMAC_DMTE3, 0x6a0),
 575         INTC_VECT(DMAC_DMTE4, 0x780), INTC_VECT(DMAC_DMTE5, 0x7a0),
 576         INTC_VECT(DMAC_DMTE6, 0x7c0), INTC_VECT(DMAC_DMTE7, 0x7e0),
 577         INTC_VECT(DMAC_DMAE, 0x6c0),
 578 };
 579
 580 static struct intc_group groups_dma8[] = {
 581         INTC_GROUP(DMAC, DMAC_DMTE0, DMAC_DMTE1, DMAC_DMTE2,
 582                    DMAC_DMTE3, DMAC_DMTE4, DMAC_DMTE5,
 583                    DMAC_DMTE6, DMAC_DMTE7, DMAC_DMAE),
 584 };
 585
 586 /* SH7750R, SH7751 and SH7751R all have two extra timer channels */
 587
 588 static struct intc_vect vectors_tmu34[] = {
 589         INTC_VECT(TMU3, 0xb00), INTC_VECT(TMU4, 0xb80),
 590 };
 591
 592 static struct intc_mask_reg mask_registers[] = {
 593         { 0xfe080040, 0xfe080060, 32, /* INTMSK00 / INTMSKCLR00 */
 594           { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 595             0, 0, 0, 0, 0, 0, TMU4, TMU3,
 596             PCIC1_PCIERR, PCIC1_PCIPWDWN, PCIC1_PCIPWON,
 597             PCIC1_PCIDMA0, PCIC1_PCIDMA1, PCIC1_PCIDMA2,
 598             PCIC1_PCIDMA3, PCIC0_PCISERR } },
 599 };
 600
 601 /* SH7750S, SH7750R, SH7751 and SH7751R all have IRLM priority registers */
 602
 603 static struct intc_vect vectors_irlm[] = {
 604         INTC_VECT(IRL0, 0x240), INTC_VECT(IRL1, 0x2a0),
 605         INTC_VECT(IRL2, 0x300), INTC_VECT(IRL3, 0x360),
 606 };
 607
 608 /* SH7751 and SH7751R both have PCI */
 609
 610 static struct intc_vect vectors_pci[] = {
 611         INTC_VECT(PCIC0_PCISERR, 0xa00), INTC_VECT(PCIC1_PCIERR, 0xae0),
 612         INTC_VECT(PCIC1_PCIPWDWN, 0xac0), INTC_VECT(PCIC1_PCIPWON, 0xaa0),
 613         INTC_VECT(PCIC1_PCIDMA0, 0xa80), INTC_VECT(PCIC1_PCIDMA1, 0xa60),
 614         INTC_VECT(PCIC1_PCIDMA2, 0xa40), INTC_VECT(PCIC1_PCIDMA3, 0xa20),
 615 };
 616
 617 static struct intc_group groups_pci[] = {
 618         INTC_GROUP(PCIC1, PCIC1_PCIERR, PCIC1_PCIPWDWN, PCIC1_PCIPWON,
 619                    PCIC1_PCIDMA0, PCIC1_PCIDMA1, PCIC1_PCIDMA2, PCIC1_PCIDMA3),
 620 };
 621
 622 static struct intc_vect vectors_irl[] = {
 623         INTC_VECT(IRL_0, 0x200),
 624         INTC_VECT(IRL_1, 0x220),
 625         INTC_VECT(IRL_2, 0x240),
 626         INTC_VECT(IRL_3, 0x260),
 627         INTC_VECT(IRL_4, 0x280),
 628         INTC_VECT(IRL_5, 0x2a0),
 629         INTC_VECT(IRL_6, 0x2c0),
 630         INTC_VECT(IRL_7, 0x2e0),
 631         INTC_VECT(IRL_8, 0x300),
 632         INTC_VECT(IRL_9, 0x320),
 633         INTC_VECT(IRL_A, 0x340),
 634         INTC_VECT(IRL_B, 0x360),
 635         INTC_VECT(IRL_C, 0x380),
 636         INTC_VECT(IRL_D, 0x3a0),
 637         INTC_VECT(IRL_E, 0x3c0),
 638 };
 639
 640 static struct intc_group groups_irl[] = {
 641         INTC_GROUP(IRL, IRL_0, IRL_1, IRL_2, IRL_3, IRL_4, IRL_5, IRL_6,
 642                 IRL_7, IRL_8, IRL_9, IRL_A, IRL_B, IRL_C, IRL_D, IRL_E),
 643 };
 644
 645 /**********************************************************************
 646  Memory mapped cache and TLB
 647 **********************************************************************/
 648
 649 #define MM_REGION_MASK   0x07000000
 650 #define MM_ICACHE_ADDR   (0)
 651 #define MM_ICACHE_DATA   (1)
 652 #define MM_ITLB_ADDR     (2)
 653 #define MM_ITLB_DATA     (3)
 654 #define MM_OCACHE_ADDR   (4)
 655 #define MM_OCACHE_DATA   (5)
 656 #define MM_UTLB_ADDR     (6)
 657 #define MM_UTLB_DATA     (7)
 658 #define MM_REGION_TYPE(addr)  ((addr & MM_REGION_MASK) >> 24)
 659
 660 static uint64_t invalid_read(void *opaque, hwaddr addr)
 661 {
 662     abort();
 663
 664     return 0;
 665 }
 666
 667 static uint64_t sh7750_mmct_read(void *opaque, hwaddr addr,
 668                                  unsigned size)
 669 {
 670     SH7750State *s = opaque;
 671     uint32_t ret = 0;
 672
 673     if (size != 4) {
 674         return invalid_read(opaque, addr);
 675     }
 676
 677     switch (MM_REGION_TYPE(addr)) {
 678     case MM_ICACHE_ADDR:
 679     case MM_ICACHE_DATA:
 680         /* do nothing */
 681         break;
 682     case MM_ITLB_ADDR:
 683         ret = cpu_sh4_read_mmaped_itlb_addr(&s->cpu->env, addr);
 684         break;
 685     case MM_ITLB_DATA:
 686         ret = cpu_sh4_read_mmaped_itlb_data(&s->cpu->env, addr);
 687         break;
 688     case MM_OCACHE_ADDR:
 689     case MM_OCACHE_DATA:
 690         /* do nothing */
 691         break;
 692     case MM_UTLB_ADDR:
 693         ret = cpu_sh4_read_mmaped_utlb_addr(&s->cpu->env, addr);
 694         break;
 695     case MM_UTLB_DATA:
 696         ret = cpu_sh4_read_mmaped_utlb_data(&s->cpu->env, addr);
 697         break;
 698     default:
 699         abort();
 700     }
 701
 702     return ret;
 703 }
 704
 705 static void invalid_write(void *opaque, hwaddr addr,
 706                           uint64_t mem_value)
 707 {
 708     abort();
 709 }
 710
 711 static void sh7750_mmct_write(void *opaque, hwaddr addr,
 712                               uint64_t mem_value, unsigned size)
 713 {
 714     SH7750State *s = opaque;
 715
 716     if (size != 4) {
 717         invalid_write(opaque, addr, mem_value);
 718     }
 719
 720     switch (MM_REGION_TYPE(addr)) {
 721     case MM_ICACHE_ADDR:
 722     case MM_ICACHE_DATA:
 723         /* do nothing */
 724         break;
 725     case MM_ITLB_ADDR:
 726         cpu_sh4_write_mmaped_itlb_addr(&s->cpu->env, addr, mem_value);
 727         break;
 728     case MM_ITLB_DATA:
 729         cpu_sh4_write_mmaped_itlb_data(&s->cpu->env, addr, mem_value);
 730         abort();
 731         break;
 732     case MM_OCACHE_ADDR:
 733     case MM_OCACHE_DATA:
 734         /* do nothing */
 735         break;
 736     case MM_UTLB_ADDR:
 737         cpu_sh4_write_mmaped_utlb_addr(&s->cpu->env, addr, mem_value);
 738         break;
 739     case MM_UTLB_DATA:
 740         cpu_sh4_write_mmaped_utlb_data(&s->cpu->env, addr, mem_value);
 741         break;
 742     default:
 743         abort();
 744         break;
 745     }
 746 }
 747
 748 static const MemoryRegionOps sh7750_mmct_ops = {
 749     .read = sh7750_mmct_read,
 750     .write = sh7750_mmct_write,
 751     .endianness = DEVICE_NATIVE_ENDIAN,
 752 };
 753
 754 SH7750State *sh7750_init(SuperHCPU *cpu, MemoryRegion *sysmem)
 755 {
 756     SH7750State *s;
 757
 758     s = g_malloc0(sizeof(SH7750State));
 759     s->cpu = cpu;
 760     s->periph_freq = 60000000;  /* 60MHz */
 761     memory_region_init_io(&s->iomem, NULL, &sh7750_mem_ops, s,
 762                           "memory", 0x1fc01000);
 763
 764     memory_region_init_alias(&s->iomem_1f0, NULL, "memory-1f0",
 765                              &s->iomem, 0x1f000000, 0x1000);
 766     memory_region_add_subregion(sysmem, 0x1f000000, &s->iomem_1f0);
 767
 768     memory_region_init_alias(&s->iomem_ff0, NULL, "memory-ff0",
 769                              &s->iomem, 0x1f000000, 0x1000);
 770     memory_region_add_subregion(sysmem, 0xff000000, &s->iomem_ff0);
 771
 772     memory_region_init_alias(&s->iomem_1f8, NULL, "memory-1f8",
 773                              &s->iomem, 0x1f800000, 0x1000);
 774     memory_region_add_subregion(sysmem, 0x1f800000, &s->iomem_1f8);
 775
 776     memory_region_init_alias(&s->iomem_ff8, NULL, "memory-ff8",
 777                              &s->iomem, 0x1f800000, 0x1000);
 778     memory_region_add_subregion(sysmem, 0xff800000, &s->iomem_ff8);
 779
 780     memory_region_init_alias(&s->iomem_1fc, NULL, "memory-1fc",
 781                              &s->iomem, 0x1fc00000, 0x1000);
 782     memory_region_add_subregion(sysmem, 0x1fc00000, &s->iomem_1fc);
 783
 784     memory_region_init_alias(&s->iomem_ffc, NULL, "memory-ffc",
 785                              &s->iomem, 0x1fc00000, 0x1000);
 786     memory_region_add_subregion(sysmem, 0xffc00000, &s->iomem_ffc);
 787
 788     memory_region_init_io(&s->mmct_iomem, NULL, &sh7750_mmct_ops, s,
 789                           "cache-and-tlb", 0x08000000);
 790     memory_region_add_subregion(sysmem, 0xf0000000, &s->mmct_iomem);
 791
 792     sh_intc_init(sysmem, &s->intc, NR_SOURCES,
 793                  _INTC_ARRAY(mask_registers),
 794                  _INTC_ARRAY(prio_registers));
 795
 796     sh_intc_register_sources(&s->intc,
 797                              _INTC_ARRAY(vectors),
 798                              _INTC_ARRAY(groups));
 799
 800     cpu->env.intc_handle = &s->intc;
 801
 802     sh_serial_init(sysmem, 0x1fe00000,
 803                    0, s->periph_freq, serial_hd(0),
 804                    s->intc.irqs[SCI1_ERI],
 805                    s->intc.irqs[SCI1_RXI],
 806                    s->intc.irqs[SCI1_TXI],
 807                    s->intc.irqs[SCI1_TEI],
 808                    NULL);
 809     sh_serial_init(sysmem, 0x1fe80000,
 810                    SH_SERIAL_FEAT_SCIF,
 811                    s->periph_freq, serial_hd(1),
 812                    s->intc.irqs[SCIF_ERI],
 813                    s->intc.irqs[SCIF_RXI],
 814                    s->intc.irqs[SCIF_TXI],
 815                    NULL,
 816                    s->intc.irqs[SCIF_BRI]);
 817
 818     tmu012_init(sysmem, 0x1fd80000,
 819                 TMU012_FEAT_TOCR | TMU012_FEAT_3CHAN | TMU012_FEAT_EXTCLK,
 820                 s->periph_freq,
 821                 s->intc.irqs[TMU0],
 822                 s->intc.irqs[TMU1],
 823                 s->intc.irqs[TMU2_TUNI],
 824                 s->intc.irqs[TMU2_TICPI]);
 825
 826     if (cpu->env.id & (SH_CPU_SH7750 | SH_CPU_SH7750S | SH_CPU_SH7751)) {
 827         sh_intc_register_sources(&s->intc,
 828                                  _INTC_ARRAY(vectors_dma4),
 829                                  _INTC_ARRAY(groups_dma4));
 830     }
 831
 832     if (cpu->env.id & (SH_CPU_SH7750R | SH_CPU_SH7751R)) {
 833         sh_intc_register_sources(&s->intc,
 834                                  _INTC_ARRAY(vectors_dma8),
 835                                  _INTC_ARRAY(groups_dma8));
 836     }
 837
 838     if (cpu->env.id & (SH_CPU_SH7750R | SH_CPU_SH7751 | SH_CPU_SH7751R)) {
 839         sh_intc_register_sources(&s->intc,
 840                                  _INTC_ARRAY(vectors_tmu34),
 841                                  NULL, 0);
 842         tmu012_init(sysmem, 0x1e100000, 0, s->periph_freq,
 843                     s->intc.irqs[TMU3],
 844                     s->intc.irqs[TMU4],
 845                     NULL, NULL);
 846     }
 847
 848     if (cpu->env.id & (SH_CPU_SH7751_ALL)) {
 849         sh_intc_register_sources(&s->intc,
 850                                  _INTC_ARRAY(vectors_pci),
 851                                  _INTC_ARRAY(groups_pci));
 852     }
 853
 854     if (cpu->env.id & (SH_CPU_SH7750S | SH_CPU_SH7750R | SH_CPU_SH7751_ALL)) {
 855         sh_intc_register_sources(&s->intc,
 856                                  _INTC_ARRAY(vectors_irlm),
 857                                  NULL, 0);
 858     }
 859
 860     sh_intc_register_sources(&s->intc,
 861                                 _INTC_ARRAY(vectors_irl),
 862                                 _INTC_ARRAY(groups_irl));
 863     return s;
 864 }
 865
 866 qemu_irq sh7750_irl(SH7750State *s)
 867 {
 868     sh_intc_toggle_source(sh_intc_source(&s->intc, IRL), 1, 0); /* enable */
 869     return qemu_allocate_irq(sh_intc_set_irl, sh_intc_source(&s->intc, IRL), 0);
 870 }