hw/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 <stdio.h>
  26 #include <assert.h>
  27 #include "hw.h"
  28 #include "sh.h"
  29 #include "sysemu.h"
  30 #include "sh7750_regs.h"
  31 #include "sh7750_regnames.h"
  32 #include "sh_intc.h"
  33 #include "exec-all.h"
  34 #include "cpu.h"
  35
  36 #define NB_DEVICES 4
  37
  38 typedef struct SH7750State {
  39     /* CPU */
  40     CPUSH4State *cpu;
  41     /* Peripheral frequency in Hz */
  42     uint32_t periph_freq;
  43     /* SDRAM controller */
  44     uint32_t bcr1;
  45     uint16_t bcr2;
  46     uint16_t bcr3;
  47     uint32_t bcr4;
  48     uint16_t rfcr;
  49     /* PCMCIA controller */
  50     uint16_t pcr;
  51     /* IO ports */
  52     uint16_t gpioic;
  53     uint32_t pctra;
  54     uint32_t pctrb;
  55     uint16_t portdira;          /* Cached */
  56     uint16_t portpullupa;       /* Cached */
  57     uint16_t portdirb;          /* Cached */
  58     uint16_t portpullupb;       /* Cached */
  59     uint16_t pdtra;
  60     uint16_t pdtrb;
  61     uint16_t periph_pdtra;      /* Imposed by the peripherals */
  62     uint16_t periph_portdira;   /* Direction seen from the peripherals */
  63     uint16_t periph_pdtrb;      /* Imposed by the peripherals */
  64     uint16_t periph_portdirb;   /* Direction seen from the peripherals */
  65     sh7750_io_device *devices[NB_DEVICES];      /* External peripherals */
  66
  67     /* Cache */
  68     uint32_t ccr;
  69
  70     struct intc_desc intc;
  71 } SH7750State;
  72
  73 static int inline has_bcr3_and_bcr4(SH7750State * s)
  74 {
  75         return (s->cpu->features & SH_FEATURE_BCR3_AND_BCR4);
  76 }
  77 /**********************************************************************
  78  I/O ports
  79 **********************************************************************/
  80
  81 int sh7750_register_io_device(SH7750State * s, sh7750_io_device * device)
  82 {
  83     int i;
  84
  85     for (i = 0; i < NB_DEVICES; i++) {
  86         if (s->devices[i] == NULL) {
  87             s->devices[i] = device;
  88             return 0;
  89         }
  90     }
  91     return -1;
  92 }
  93
  94 static uint16_t portdir(uint32_t v)
  95 {
  96 #define EVENPORTMASK(n) ((v & (1<<((n)<<1))) >> (n))
  97     return
  98         EVENPORTMASK(15) | EVENPORTMASK(14) | EVENPORTMASK(13) |
  99         EVENPORTMASK(12) | EVENPORTMASK(11) | EVENPORTMASK(10) |
 100         EVENPORTMASK(9) | EVENPORTMASK(8) | EVENPORTMASK(7) |
 101         EVENPORTMASK(6) | EVENPORTMASK(5) | EVENPORTMASK(4) |
 102         EVENPORTMASK(3) | EVENPORTMASK(2) | EVENPORTMASK(1) |
 103         EVENPORTMASK(0);
 104 }
 105
 106 static uint16_t portpullup(uint32_t v)
 107 {
 108 #define ODDPORTMASK(n) ((v & (1<<(((n)<<1)+1))) >> (n))
 109     return
 110         ODDPORTMASK(15) | ODDPORTMASK(14) | ODDPORTMASK(13) |
 111         ODDPORTMASK(12) | ODDPORTMASK(11) | ODDPORTMASK(10) |
 112         ODDPORTMASK(9) | ODDPORTMASK(8) | ODDPORTMASK(7) | ODDPORTMASK(6) |
 113         ODDPORTMASK(5) | ODDPORTMASK(4) | ODDPORTMASK(3) | ODDPORTMASK(2) |
 114         ODDPORTMASK(1) | ODDPORTMASK(0);
 115 }
 116
 117 static uint16_t porta_lines(SH7750State * s)
 118 {
 119     return (s->portdira & s->pdtra) |   /* CPU */
 120         (s->periph_portdira & s->periph_pdtra) |        /* Peripherals */
 121         (~(s->portdira | s->periph_portdira) & s->portpullupa); /* Pullups */
 122 }
 123
 124 static uint16_t portb_lines(SH7750State * s)
 125 {
 126     return (s->portdirb & s->pdtrb) |   /* CPU */
 127         (s->periph_portdirb & s->periph_pdtrb) |        /* Peripherals */
 128         (~(s->portdirb | s->periph_portdirb) & s->portpullupb); /* Pullups */
 129 }
 130
 131 static void gen_port_interrupts(SH7750State * s)
 132 {
 133     /* XXXXX interrupts not generated */
 134 }
 135
 136 static void porta_changed(SH7750State * s, uint16_t prev)
 137 {
 138     uint16_t currenta, changes;
 139     int i, r = 0;
 140
 141 #if 0
 142     fprintf(stderr, "porta changed from 0x%04x to 0x%04x\n",
 143             prev, porta_lines(s));
 144     fprintf(stderr, "pdtra=0x%04x, pctra=0x%08x\n", s->pdtra, s->pctra);
 145 #endif
 146     currenta = porta_lines(s);
 147     if (currenta == prev)
 148         return;
 149     changes = currenta ^ prev;
 150
 151     for (i = 0; i < NB_DEVICES; i++) {
 152         if (s->devices[i] && (s->devices[i]->portamask_trigger & changes)) {
 153             r |= s->devices[i]->port_change_cb(currenta, portb_lines(s),
 154                                                &s->periph_pdtra,
 155                                                &s->periph_portdira,
 156                                                &s->periph_pdtrb,
 157                                                &s->periph_portdirb);
 158         }
 159     }
 160
 161     if (r)
 162         gen_port_interrupts(s);
 163 }
 164
 165 static void portb_changed(SH7750State * s, uint16_t prev)
 166 {
 167     uint16_t currentb, changes;
 168     int i, r = 0;
 169
 170     currentb = portb_lines(s);
 171     if (currentb == prev)
 172         return;
 173     changes = currentb ^ prev;
 174
 175     for (i = 0; i < NB_DEVICES; i++) {
 176         if (s->devices[i] && (s->devices[i]->portbmask_trigger & changes)) {
 177             r |= s->devices[i]->port_change_cb(portb_lines(s), currentb,
 178                                                &s->periph_pdtra,
 179                                                &s->periph_portdira,
 180                                                &s->periph_pdtrb,
 181                                                &s->periph_portdirb);
 182         }
 183     }
 184
 185     if (r)
 186         gen_port_interrupts(s);
 187 }
 188
 189 /**********************************************************************
 190  Memory
 191 **********************************************************************/
 192
 193 static void error_access(const char *kind, target_phys_addr_t addr)
 194 {
 195     fprintf(stderr, "%s to %s (0x" TARGET_FMT_plx ") not supported\n",
 196             kind, regname(addr), addr);
 197 }
 198
 199 static void ignore_access(const char *kind, target_phys_addr_t addr)
 200 {
 201     fprintf(stderr, "%s to %s (0x" TARGET_FMT_plx ") ignored\n",
 202             kind, regname(addr), addr);
 203 }
 204
 205 static uint32_t sh7750_mem_readb(void *opaque, target_phys_addr_t addr)
 206 {
 207     switch (addr) {
 208     default:
 209         error_access("byte read", addr);
 210         assert(0);
 211     }
 212 }
 213
 214 static uint32_t sh7750_mem_readw(void *opaque, target_phys_addr_t addr)
 215 {
 216     SH7750State *s = opaque;
 217
 218     switch (addr) {
 219     case SH7750_BCR2_A7:
 220         return s->bcr2;
 221     case SH7750_BCR3_A7:
 222         if(!has_bcr3_and_bcr4(s))
 223             error_access("word read", addr);
 224         return s->bcr3;
 225     case SH7750_FRQCR_A7:
 226         return 0;
 227     case SH7750_PCR_A7:
 228         return s->pcr;
 229     case SH7750_RFCR_A7:
 230         fprintf(stderr,
 231                 "Read access to refresh count register, incrementing\n");
 232         return s->rfcr++;
 233     case SH7750_PDTRA_A7:
 234         return porta_lines(s);
 235     case SH7750_PDTRB_A7:
 236         return portb_lines(s);
 237     case SH7750_RTCOR_A7:
 238     case SH7750_RTCNT_A7:
 239     case SH7750_RTCSR_A7:
 240         ignore_access("word read", addr);
 241         return 0;
 242     default:
 243         error_access("word read", addr);
 244         assert(0);
 245     }
 246 }
 247
 248 static uint32_t sh7750_mem_readl(void *opaque, target_phys_addr_t addr)
 249 {
 250     SH7750State *s = opaque;
 251
 252     switch (addr) {
 253     case SH7750_BCR1_A7:
 254         return s->bcr1;
 255     case SH7750_BCR4_A7:
 256         if(!has_bcr3_and_bcr4(s))
 257             error_access("long read", addr);
 258         return s->bcr4;
 259     case SH7750_WCR1_A7:
 260     case SH7750_WCR2_A7:
 261     case SH7750_WCR3_A7:
 262     case SH7750_MCR_A7:
 263         ignore_access("long read", addr);
 264         return 0;
 265     case SH7750_MMUCR_A7:
 266         return s->cpu->mmucr;
 267     case SH7750_PTEH_A7:
 268         return s->cpu->pteh;
 269     case SH7750_PTEL_A7:
 270         return s->cpu->ptel;
 271     case SH7750_TTB_A7:
 272         return s->cpu->ttb;
 273     case SH7750_TEA_A7:
 274         return s->cpu->tea;
 275     case SH7750_TRA_A7:
 276         return s->cpu->tra;
 277     case SH7750_EXPEVT_A7:
 278         return s->cpu->expevt;
 279     case SH7750_INTEVT_A7:
 280         return s->cpu->intevt;
 281     case SH7750_CCR_A7:
 282         return s->ccr;
 283     case 0x1f000030:            /* Processor version */
 284         return s->cpu->pvr;
 285     case 0x1f000040:            /* Cache version */
 286         return s->cpu->cvr;
 287     case 0x1f000044:            /* Processor revision */
 288         return s->cpu->prr;
 289     default:
 290         error_access("long read", addr);
 291         assert(0);
 292     }
 293 }
 294
 295 #define is_in_sdrmx(a, x) (a >= SH7750_SDMR ## x ## _A7 \
 296                         && a <= (SH7750_SDMR ## x ## _A7 + SH7750_SDMR ## x ## _REGNB))
 297 static void sh7750_mem_writeb(void *opaque, target_phys_addr_t addr,
 298                               uint32_t mem_value)
 299 {
 300
 301     if (is_in_sdrmx(addr, 2) || is_in_sdrmx(addr, 3)) {
 302         ignore_access("byte write", addr);
 303         return;
 304     }
 305
 306     error_access("byte write", addr);
 307     assert(0);
 308 }
 309
 310 static void sh7750_mem_writew(void *opaque, target_phys_addr_t addr,
 311                               uint32_t mem_value)
 312 {
 313     SH7750State *s = opaque;
 314     uint16_t temp;
 315
 316     switch (addr) {
 317         /* SDRAM controller */
 318     case SH7750_BCR2_A7:
 319         s->bcr2 = mem_value;
 320         return;
 321     case SH7750_BCR3_A7:
 322         if(!has_bcr3_and_bcr4(s))
 323             error_access("word write", addr);
 324         s->bcr3 = mem_value;
 325         return;
 326     case SH7750_PCR_A7:
 327         s->pcr = mem_value;
 328         return;
 329     case SH7750_RTCNT_A7:
 330     case SH7750_RTCOR_A7:
 331     case SH7750_RTCSR_A7:
 332         ignore_access("word write", addr);
 333         return;
 334         /* IO ports */
 335     case SH7750_PDTRA_A7:
 336         temp = porta_lines(s);
 337         s->pdtra = mem_value;
 338         porta_changed(s, temp);
 339         return;
 340     case SH7750_PDTRB_A7:
 341         temp = portb_lines(s);
 342         s->pdtrb = mem_value;
 343         portb_changed(s, temp);
 344         return;
 345     case SH7750_RFCR_A7:
 346         fprintf(stderr, "Write access to refresh count register\n");
 347         s->rfcr = mem_value;
 348         return;
 349     case SH7750_GPIOIC_A7:
 350         s->gpioic = mem_value;
 351         if (mem_value != 0) {
 352             fprintf(stderr, "I/O interrupts not implemented\n");
 353             assert(0);
 354         }
 355         return;
 356     default:
 357         error_access("word write", addr);
 358         assert(0);
 359     }
 360 }
 361
 362 static void sh7750_mem_writel(void *opaque, target_phys_addr_t addr,
 363                               uint32_t mem_value)
 364 {
 365     SH7750State *s = opaque;
 366     uint16_t temp;
 367
 368     switch (addr) {
 369         /* SDRAM controller */
 370     case SH7750_BCR1_A7:
 371         s->bcr1 = mem_value;
 372         return;
 373     case SH7750_BCR4_A7:
 374         if(!has_bcr3_and_bcr4(s))
 375             error_access("long write", addr);
 376         s->bcr4 = mem_value;
 377         return;
 378     case SH7750_WCR1_A7:
 379     case SH7750_WCR2_A7:
 380     case SH7750_WCR3_A7:
 381     case SH7750_MCR_A7:
 382         ignore_access("long write", addr);
 383         return;
 384         /* IO ports */
 385     case SH7750_PCTRA_A7:
 386         temp = porta_lines(s);
 387         s->pctra = mem_value;
 388         s->portdira = portdir(mem_value);
 389         s->portpullupa = portpullup(mem_value);
 390         porta_changed(s, temp);
 391         return;
 392     case SH7750_PCTRB_A7:
 393         temp = portb_lines(s);
 394         s->pctrb = mem_value;
 395         s->portdirb = portdir(mem_value);
 396         s->portpullupb = portpullup(mem_value);
 397         portb_changed(s, temp);
 398         return;
 399     case SH7750_MMUCR_A7:
 400         s->cpu->mmucr = mem_value;
 401         return;
 402     case SH7750_PTEH_A7:
 403         /* If asid changes, clear all registered tlb entries. */
 404         if ((s->cpu->pteh & 0xff) != (mem_value & 0xff))
 405             tlb_flush(s->cpu, 1);
 406         s->cpu->pteh = mem_value;
 407         return;
 408     case SH7750_PTEL_A7:
 409         s->cpu->ptel = mem_value;
 410         return;
 411     case SH7750_PTEA_A7:
 412         s->cpu->ptea = mem_value & 0x0000000f;
 413         return;
 414     case SH7750_TTB_A7:
 415         s->cpu->ttb = mem_value;
 416         return;
 417     case SH7750_TEA_A7:
 418         s->cpu->tea = mem_value;
 419         return;
 420     case SH7750_TRA_A7:
 421         s->cpu->tra = mem_value & 0x000007ff;
 422         return;
 423     case SH7750_EXPEVT_A7:
 424         s->cpu->expevt = mem_value & 0x000007ff;
 425         return;
 426     case SH7750_INTEVT_A7:
 427         s->cpu->intevt = mem_value & 0x000007ff;
 428         return;
 429     case SH7750_CCR_A7:
 430         s->ccr = mem_value;
 431         return;
 432     default:
 433         error_access("long write", addr);
 434         assert(0);
 435     }
 436 }
 437
 438 static CPUReadMemoryFunc *sh7750_mem_read[] = {
 439     sh7750_mem_readb,
 440     sh7750_mem_readw,
 441     sh7750_mem_readl
 442 };
 443
 444 static CPUWriteMemoryFunc *sh7750_mem_write[] = {
 445     sh7750_mem_writeb,
 446     sh7750_mem_writew,
 447     sh7750_mem_writel
 448 };
 449
 450 /* sh775x interrupt controller tables for sh_intc.c
 451  * stolen from linux/arch/sh/kernel/cpu/sh4/setup-sh7750.c
 452  */
 453
 454 enum {
 455         UNUSED = 0,
 456
 457         /* interrupt sources */
 458         IRL_0, IRL_1, IRL_2, IRL_3, IRL_4, IRL_5, IRL_6, IRL_7,
 459         IRL_8, IRL_9, IRL_A, IRL_B, IRL_C, IRL_D, IRL_E,
 460         IRL0, IRL1, IRL2, IRL3,
 461         HUDI, GPIOI,
 462         DMAC_DMTE0, DMAC_DMTE1, DMAC_DMTE2, DMAC_DMTE3,
 463         DMAC_DMTE4, DMAC_DMTE5, DMAC_DMTE6, DMAC_DMTE7,
 464         DMAC_DMAE,
 465         PCIC0_PCISERR, PCIC1_PCIERR, PCIC1_PCIPWDWN, PCIC1_PCIPWON,
 466         PCIC1_PCIDMA0, PCIC1_PCIDMA1, PCIC1_PCIDMA2, PCIC1_PCIDMA3,
 467         TMU3, TMU4, TMU0, TMU1, TMU2_TUNI, TMU2_TICPI,
 468         RTC_ATI, RTC_PRI, RTC_CUI,
 469         SCI1_ERI, SCI1_RXI, SCI1_TXI, SCI1_TEI,
 470         SCIF_ERI, SCIF_RXI, SCIF_BRI, SCIF_TXI,
 471         WDT,
 472         REF_RCMI, REF_ROVI,
 473
 474         /* interrupt groups */
 475         DMAC, PCIC1, TMU2, RTC, SCI1, SCIF, REF,
 476         /* irl bundle */
 477         IRL,
 478
 479         NR_SOURCES,
 480 };
 481
 482 static struct intc_vect vectors[] = {
 483         INTC_VECT(HUDI, 0x600), INTC_VECT(GPIOI, 0x620),
 484         INTC_VECT(TMU0, 0x400), INTC_VECT(TMU1, 0x420),
 485         INTC_VECT(TMU2_TUNI, 0x440), INTC_VECT(TMU2_TICPI, 0x460),
 486         INTC_VECT(RTC_ATI, 0x480), INTC_VECT(RTC_PRI, 0x4a0),
 487         INTC_VECT(RTC_CUI, 0x4c0),
 488         INTC_VECT(SCI1_ERI, 0x4e0), INTC_VECT(SCI1_RXI, 0x500),
 489         INTC_VECT(SCI1_TXI, 0x520), INTC_VECT(SCI1_TEI, 0x540),
 490         INTC_VECT(SCIF_ERI, 0x700), INTC_VECT(SCIF_RXI, 0x720),
 491         INTC_VECT(SCIF_BRI, 0x740), INTC_VECT(SCIF_TXI, 0x760),
 492         INTC_VECT(WDT, 0x560),
 493         INTC_VECT(REF_RCMI, 0x580), INTC_VECT(REF_ROVI, 0x5a0),
 494 };
 495
 496 static struct intc_group groups[] = {
 497         INTC_GROUP(TMU2, TMU2_TUNI, TMU2_TICPI),
 498         INTC_GROUP(RTC, RTC_ATI, RTC_PRI, RTC_CUI),
 499         INTC_GROUP(SCI1, SCI1_ERI, SCI1_RXI, SCI1_TXI, SCI1_TEI),
 500         INTC_GROUP(SCIF, SCIF_ERI, SCIF_RXI, SCIF_BRI, SCIF_TXI),
 501         INTC_GROUP(REF, REF_RCMI, REF_ROVI),
 502 };
 503
 504 static struct intc_prio_reg prio_registers[] = {
 505         { 0xffd00004, 0, 16, 4, /* IPRA */ { TMU0, TMU1, TMU2, RTC } },
 506         { 0xffd00008, 0, 16, 4, /* IPRB */ { WDT, REF, SCI1, 0 } },
 507         { 0xffd0000c, 0, 16, 4, /* IPRC */ { GPIOI, DMAC, SCIF, HUDI } },
 508         { 0xffd00010, 0, 16, 4, /* IPRD */ { IRL0, IRL1, IRL2, IRL3 } },
 509         { 0xfe080000, 0, 32, 4, /* INTPRI00 */ { 0, 0, 0, 0,
 510                                                  TMU4, TMU3,
 511                                                  PCIC1, PCIC0_PCISERR } },
 512 };
 513
 514 /* SH7750, SH7750S, SH7751 and SH7091 all have 4-channel DMA controllers */
 515
 516 static struct intc_vect vectors_dma4[] = {
 517         INTC_VECT(DMAC_DMTE0, 0x640), INTC_VECT(DMAC_DMTE1, 0x660),
 518         INTC_VECT(DMAC_DMTE2, 0x680), INTC_VECT(DMAC_DMTE3, 0x6a0),
 519         INTC_VECT(DMAC_DMAE, 0x6c0),
 520 };
 521
 522 static struct intc_group groups_dma4[] = {
 523         INTC_GROUP(DMAC, DMAC_DMTE0, DMAC_DMTE1, DMAC_DMTE2,
 524                    DMAC_DMTE3, DMAC_DMAE),
 525 };
 526
 527 /* SH7750R and SH7751R both have 8-channel DMA controllers */
 528
 529 static struct intc_vect vectors_dma8[] = {
 530         INTC_VECT(DMAC_DMTE0, 0x640), INTC_VECT(DMAC_DMTE1, 0x660),
 531         INTC_VECT(DMAC_DMTE2, 0x680), INTC_VECT(DMAC_DMTE3, 0x6a0),
 532         INTC_VECT(DMAC_DMTE4, 0x780), INTC_VECT(DMAC_DMTE5, 0x7a0),
 533         INTC_VECT(DMAC_DMTE6, 0x7c0), INTC_VECT(DMAC_DMTE7, 0x7e0),
 534         INTC_VECT(DMAC_DMAE, 0x6c0),
 535 };
 536
 537 static struct intc_group groups_dma8[] = {
 538         INTC_GROUP(DMAC, DMAC_DMTE0, DMAC_DMTE1, DMAC_DMTE2,
 539                    DMAC_DMTE3, DMAC_DMTE4, DMAC_DMTE5,
 540                    DMAC_DMTE6, DMAC_DMTE7, DMAC_DMAE),
 541 };
 542
 543 /* SH7750R, SH7751 and SH7751R all have two extra timer channels */
 544
 545 static struct intc_vect vectors_tmu34[] = {
 546         INTC_VECT(TMU3, 0xb00), INTC_VECT(TMU4, 0xb80),
 547 };
 548
 549 static struct intc_mask_reg mask_registers[] = {
 550         { 0xfe080040, 0xfe080060, 32, /* INTMSK00 / INTMSKCLR00 */
 551           { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 552             0, 0, 0, 0, 0, 0, TMU4, TMU3,
 553             PCIC1_PCIERR, PCIC1_PCIPWDWN, PCIC1_PCIPWON,
 554             PCIC1_PCIDMA0, PCIC1_PCIDMA1, PCIC1_PCIDMA2,
 555             PCIC1_PCIDMA3, PCIC0_PCISERR } },
 556 };
 557
 558 /* SH7750S, SH7750R, SH7751 and SH7751R all have IRLM priority registers */
 559
 560 static struct intc_vect vectors_irlm[] = {
 561         INTC_VECT(IRL0, 0x240), INTC_VECT(IRL1, 0x2a0),
 562         INTC_VECT(IRL2, 0x300), INTC_VECT(IRL3, 0x360),
 563 };
 564
 565 /* SH7751 and SH7751R both have PCI */
 566
 567 static struct intc_vect vectors_pci[] = {
 568         INTC_VECT(PCIC0_PCISERR, 0xa00), INTC_VECT(PCIC1_PCIERR, 0xae0),
 569         INTC_VECT(PCIC1_PCIPWDWN, 0xac0), INTC_VECT(PCIC1_PCIPWON, 0xaa0),
 570         INTC_VECT(PCIC1_PCIDMA0, 0xa80), INTC_VECT(PCIC1_PCIDMA1, 0xa60),
 571         INTC_VECT(PCIC1_PCIDMA2, 0xa40), INTC_VECT(PCIC1_PCIDMA3, 0xa20),
 572 };
 573
 574 static struct intc_group groups_pci[] = {
 575         INTC_GROUP(PCIC1, PCIC1_PCIERR, PCIC1_PCIPWDWN, PCIC1_PCIPWON,
 576                    PCIC1_PCIDMA0, PCIC1_PCIDMA1, PCIC1_PCIDMA2, PCIC1_PCIDMA3),
 577 };
 578
 579 static struct intc_vect vectors_irl[] = {
 580         INTC_VECT(IRL_0, 0x200),
 581         INTC_VECT(IRL_1, 0x220),
 582         INTC_VECT(IRL_2, 0x240),
 583         INTC_VECT(IRL_3, 0x260),
 584         INTC_VECT(IRL_4, 0x280),
 585         INTC_VECT(IRL_5, 0x2a0),
 586         INTC_VECT(IRL_6, 0x2c0),
 587         INTC_VECT(IRL_7, 0x2e0),
 588         INTC_VECT(IRL_8, 0x300),
 589         INTC_VECT(IRL_9, 0x320),
 590         INTC_VECT(IRL_A, 0x340),
 591         INTC_VECT(IRL_B, 0x360),
 592         INTC_VECT(IRL_C, 0x380),
 593         INTC_VECT(IRL_D, 0x3a0),
 594         INTC_VECT(IRL_E, 0x3c0),
 595 };
 596
 597 static struct intc_group groups_irl[] = {
 598         INTC_GROUP(IRL, IRL_0, IRL_1, IRL_2, IRL_3, IRL_4, IRL_5, IRL_6,
 599                 IRL_7, IRL_8, IRL_9, IRL_A, IRL_B, IRL_C, IRL_D, IRL_E),
 600 };
 601
 602 /**********************************************************************
 603  Memory mapped cache and TLB
 604 **********************************************************************/
 605
 606 #define MM_REGION_MASK   0x07000000
 607 #define MM_ICACHE_ADDR   (0)
 608 #define MM_ICACHE_DATA   (1)
 609 #define MM_ITLB_ADDR     (2)
 610 #define MM_ITLB_DATA     (3)
 611 #define MM_OCACHE_ADDR   (4)
 612 #define MM_OCACHE_DATA   (5)
 613 #define MM_UTLB_ADDR     (6)
 614 #define MM_UTLB_DATA     (7)
 615 #define MM_REGION_TYPE(addr)  ((addr & MM_REGION_MASK) >> 24)
 616
 617 static uint32_t invalid_read(void *opaque, target_phys_addr_t addr)
 618 {
 619     assert(0);
 620
 621     return 0;
 622 }
 623
 624 static uint32_t sh7750_mmct_readl(void *opaque, target_phys_addr_t addr)
 625 {
 626     uint32_t ret = 0;
 627
 628     switch (MM_REGION_TYPE(addr)) {
 629     case MM_ICACHE_ADDR:
 630     case MM_ICACHE_DATA:
 631         /* do nothing */
 632         break;
 633     case MM_ITLB_ADDR:
 634     case MM_ITLB_DATA:
 635         /* XXXXX */
 636         assert(0);
 637         break;
 638     case MM_OCACHE_ADDR:
 639     case MM_OCACHE_DATA:
 640         /* do nothing */
 641         break;
 642     case MM_UTLB_ADDR:
 643     case MM_UTLB_DATA:
 644         /* XXXXX */
 645         assert(0);
 646         break;
 647     default:
 648         assert(0);
 649     }
 650
 651     return ret;
 652 }
 653
 654 static void invalid_write(void *opaque, target_phys_addr_t addr,
 655                           uint32_t mem_value)
 656 {
 657     assert(0);
 658 }
 659
 660 static void sh7750_mmct_writel(void *opaque, target_phys_addr_t addr,
 661                                 uint32_t mem_value)
 662 {
 663     SH7750State *s = opaque;
 664
 665     switch (MM_REGION_TYPE(addr)) {
 666     case MM_ICACHE_ADDR:
 667     case MM_ICACHE_DATA:
 668         /* do nothing */
 669         break;
 670     case MM_ITLB_ADDR:
 671     case MM_ITLB_DATA:
 672         /* XXXXX */
 673         assert(0);
 674         break;
 675     case MM_OCACHE_ADDR:
 676     case MM_OCACHE_DATA:
 677         /* do nothing */
 678         break;
 679     case MM_UTLB_ADDR:
 680         cpu_sh4_write_mmaped_utlb_addr(s->cpu, addr, mem_value);
 681         break;
 682     case MM_UTLB_DATA:
 683         /* XXXXX */
 684         assert(0);
 685         break;
 686     default:
 687         assert(0);
 688         break;
 689     }
 690 }
 691
 692 static CPUReadMemoryFunc *sh7750_mmct_read[] = {
 693     invalid_read,
 694     invalid_read,
 695     sh7750_mmct_readl
 696 };
 697
 698 static CPUWriteMemoryFunc *sh7750_mmct_write[] = {
 699     invalid_write,
 700     invalid_write,
 701     sh7750_mmct_writel
 702 };
 703
 704 SH7750State *sh7750_init(CPUSH4State * cpu)
 705 {
 706     SH7750State *s;
 707     int sh7750_io_memory;
 708     int sh7750_mm_cache_and_tlb; /* memory mapped cache and tlb */
 709
 710     s = qemu_mallocz(sizeof(SH7750State));
 711     s->cpu = cpu;
 712     s->periph_freq = 60000000;  /* 60MHz */
 713     sh7750_io_memory = cpu_register_io_memory(0,
 714                                               sh7750_mem_read,
 715                                               sh7750_mem_write, s);
 716     cpu_register_physical_memory_offset(0x1f000000, 0x1000,
 717                                         sh7750_io_memory, 0x1f000000);
 718     cpu_register_physical_memory_offset(0xff000000, 0x1000,
 719                                         sh7750_io_memory, 0x1f000000);
 720     cpu_register_physical_memory_offset(0x1f800000, 0x1000,
 721                                         sh7750_io_memory, 0x1f800000);
 722     cpu_register_physical_memory_offset(0xff800000, 0x1000,
 723                                         sh7750_io_memory, 0x1f800000);
 724     cpu_register_physical_memory_offset(0x1fc00000, 0x1000,
 725                                         sh7750_io_memory, 0x1fc00000);
 726     cpu_register_physical_memory_offset(0xffc00000, 0x1000,
 727                                         sh7750_io_memory, 0x1fc00000);
 728
 729     sh7750_mm_cache_and_tlb = cpu_register_io_memory(0,
 730                                                      sh7750_mmct_read,
 731                                                      sh7750_mmct_write, s);
 732     cpu_register_physical_memory(0xf0000000, 0x08000000,
 733                                  sh7750_mm_cache_and_tlb);
 734
 735     sh_intc_init(&s->intc, NR_SOURCES,
 736                  _INTC_ARRAY(mask_registers),
 737                  _INTC_ARRAY(prio_registers));
 738
 739     sh_intc_register_sources(&s->intc,
 740                              _INTC_ARRAY(vectors),
 741                              _INTC_ARRAY(groups));
 742
 743     cpu->intc_handle = &s->intc;
 744
 745     sh_serial_init(0x1fe00000, 0, s->periph_freq, serial_hds[0],
 746                    s->intc.irqs[SCI1_ERI],
 747                    s->intc.irqs[SCI1_RXI],
 748                    s->intc.irqs[SCI1_TXI],
 749                    s->intc.irqs[SCI1_TEI],
 750                    NULL);
 751     sh_serial_init(0x1fe80000, SH_SERIAL_FEAT_SCIF,
 752                    s->periph_freq, serial_hds[1],
 753                    s->intc.irqs[SCIF_ERI],
 754                    s->intc.irqs[SCIF_RXI],
 755                    s->intc.irqs[SCIF_TXI],
 756                    NULL,
 757                    s->intc.irqs[SCIF_BRI]);
 758
 759     tmu012_init(0x1fd80000,
 760                 TMU012_FEAT_TOCR | TMU012_FEAT_3CHAN | TMU012_FEAT_EXTCLK,
 761                 s->periph_freq,
 762                 s->intc.irqs[TMU0],
 763                 s->intc.irqs[TMU1],
 764                 s->intc.irqs[TMU2_TUNI],
 765                 s->intc.irqs[TMU2_TICPI]);
 766
 767     if (cpu->id & (SH_CPU_SH7750 | SH_CPU_SH7750S | SH_CPU_SH7751)) {
 768         sh_intc_register_sources(&s->intc,
 769                                  _INTC_ARRAY(vectors_dma4),
 770                                  _INTC_ARRAY(groups_dma4));
 771     }
 772
 773     if (cpu->id & (SH_CPU_SH7750R | SH_CPU_SH7751R)) {
 774         sh_intc_register_sources(&s->intc,
 775                                  _INTC_ARRAY(vectors_dma8),
 776                                  _INTC_ARRAY(groups_dma8));
 777     }
 778
 779     if (cpu->id & (SH_CPU_SH7750R | SH_CPU_SH7751 | SH_CPU_SH7751R)) {
 780         sh_intc_register_sources(&s->intc,
 781                                  _INTC_ARRAY(vectors_tmu34),
 782                                  NULL, 0);
 783         tmu012_init(0x1e100000, 0, s->periph_freq,
 784                     s->intc.irqs[TMU3],
 785                     s->intc.irqs[TMU4],
 786                     NULL, NULL);
 787     }
 788
 789     if (cpu->id & (SH_CPU_SH7751_ALL)) {
 790         sh_intc_register_sources(&s->intc,
 791                                  _INTC_ARRAY(vectors_pci),
 792                                  _INTC_ARRAY(groups_pci));
 793     }
 794
 795     if (cpu->id & (SH_CPU_SH7750S | SH_CPU_SH7750R | SH_CPU_SH7751_ALL)) {
 796         sh_intc_register_sources(&s->intc,
 797                                  _INTC_ARRAY(vectors_irlm),
 798                                  NULL, 0);
 799     }
 800
 801     sh_intc_register_sources(&s->intc,
 802                                 _INTC_ARRAY(vectors_irl),
 803                                 _INTC_ARRAY(groups_irl));
 804     return s;
 805 }
 806
 807 qemu_irq sh7750_irl(SH7750State *s)
 808 {
 809     sh_intc_toggle_source(sh_intc_source(&s->intc, IRL), 1, 0); /* enable */
 810     return qemu_allocate_irqs(sh_intc_set_irl, sh_intc_source(&s->intc, IRL),
 811                                1)[0];
 812 }