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     uint16_t rfcr;
  45     /* IO ports */
  46     uint16_t gpioic;
  47     uint32_t pctra;
  48     uint32_t pctrb;
  49     uint16_t portdira;          /* Cached */
  50     uint16_t portpullupa;       /* Cached */
  51     uint16_t portdirb;          /* Cached */
  52     uint16_t portpullupb;       /* Cached */
  53     uint16_t pdtra;
  54     uint16_t pdtrb;
  55     uint16_t periph_pdtra;      /* Imposed by the peripherals */
  56     uint16_t periph_portdira;   /* Direction seen from the peripherals */
  57     uint16_t periph_pdtrb;      /* Imposed by the peripherals */
  58     uint16_t periph_portdirb;   /* Direction seen from the peripherals */
  59     sh7750_io_device *devices[NB_DEVICES];      /* External peripherals */
  60
  61     uint16_t icr;
  62     /* Cache */
  63     uint32_t ccr;
  64
  65     struct intc_desc intc;
  66 } SH7750State;
  67
  68
  69 /**********************************************************************
  70  I/O ports
  71 **********************************************************************/
  72
  73 int sh7750_register_io_device(SH7750State * s, sh7750_io_device * device)
  74 {
  75     int i;
  76
  77     for (i = 0; i < NB_DEVICES; i++) {
  78         if (s->devices[i] == NULL) {
  79             s->devices[i] = device;
  80             return 0;
  81         }
  82     }
  83     return -1;
  84 }
  85
  86 static uint16_t portdir(uint32_t v)
  87 {
  88 #define EVENPORTMASK(n) ((v & (1<<((n)<<1))) >> (n))
  89     return
  90         EVENPORTMASK(15) | EVENPORTMASK(14) | EVENPORTMASK(13) |
  91         EVENPORTMASK(12) | EVENPORTMASK(11) | EVENPORTMASK(10) |
  92         EVENPORTMASK(9) | EVENPORTMASK(8) | EVENPORTMASK(7) |
  93         EVENPORTMASK(6) | EVENPORTMASK(5) | EVENPORTMASK(4) |
  94         EVENPORTMASK(3) | EVENPORTMASK(2) | EVENPORTMASK(1) |
  95         EVENPORTMASK(0);
  96 }
  97
  98 static uint16_t portpullup(uint32_t v)
  99 {
 100 #define ODDPORTMASK(n) ((v & (1<<(((n)<<1)+1))) >> (n))
 101     return
 102         ODDPORTMASK(15) | ODDPORTMASK(14) | ODDPORTMASK(13) |
 103         ODDPORTMASK(12) | ODDPORTMASK(11) | ODDPORTMASK(10) |
 104         ODDPORTMASK(9) | ODDPORTMASK(8) | ODDPORTMASK(7) | ODDPORTMASK(6) |
 105         ODDPORTMASK(5) | ODDPORTMASK(4) | ODDPORTMASK(3) | ODDPORTMASK(2) |
 106         ODDPORTMASK(1) | ODDPORTMASK(0);
 107 }
 108
 109 static uint16_t porta_lines(SH7750State * s)
 110 {
 111     return (s->portdira & s->pdtra) |   /* CPU */
 112         (s->periph_portdira & s->periph_pdtra) |        /* Peripherals */
 113         (~(s->portdira | s->periph_portdira) & s->portpullupa); /* Pullups */
 114 }
 115
 116 static uint16_t portb_lines(SH7750State * s)
 117 {
 118     return (s->portdirb & s->pdtrb) |   /* CPU */
 119         (s->periph_portdirb & s->periph_pdtrb) |        /* Peripherals */
 120         (~(s->portdirb | s->periph_portdirb) & s->portpullupb); /* Pullups */
 121 }
 122
 123 static void gen_port_interrupts(SH7750State * s)
 124 {
 125     /* XXXXX interrupts not generated */
 126 }
 127
 128 static void porta_changed(SH7750State * s, uint16_t prev)
 129 {
 130     uint16_t currenta, changes;
 131     int i, r = 0;
 132
 133 #if 0
 134     fprintf(stderr, "porta changed from 0x%04x to 0x%04x\n",
 135             prev, porta_lines(s));
 136     fprintf(stderr, "pdtra=0x%04x, pctra=0x%08x\n", s->pdtra, s->pctra);
 137 #endif
 138     currenta = porta_lines(s);
 139     if (currenta == prev)
 140         return;
 141     changes = currenta ^ prev;
 142
 143     for (i = 0; i < NB_DEVICES; i++) {
 144         if (s->devices[i] && (s->devices[i]->portamask_trigger & changes)) {
 145             r |= s->devices[i]->port_change_cb(currenta, portb_lines(s),
 146                                                &s->periph_pdtra,
 147                                                &s->periph_portdira,
 148                                                &s->periph_pdtrb,
 149                                                &s->periph_portdirb);
 150         }
 151     }
 152
 153     if (r)
 154         gen_port_interrupts(s);
 155 }
 156
 157 static void portb_changed(SH7750State * s, uint16_t prev)
 158 {
 159     uint16_t currentb, changes;
 160     int i, r = 0;
 161
 162     currentb = portb_lines(s);
 163     if (currentb == prev)
 164         return;
 165     changes = currentb ^ prev;
 166
 167     for (i = 0; i < NB_DEVICES; i++) {
 168         if (s->devices[i] && (s->devices[i]->portbmask_trigger & changes)) {
 169             r |= s->devices[i]->port_change_cb(portb_lines(s), currentb,
 170                                                &s->periph_pdtra,
 171                                                &s->periph_portdira,
 172                                                &s->periph_pdtrb,
 173                                                &s->periph_portdirb);
 174         }
 175     }
 176
 177     if (r)
 178         gen_port_interrupts(s);
 179 }
 180
 181 /**********************************************************************
 182  Memory
 183 **********************************************************************/
 184
 185 static void error_access(const char *kind, target_phys_addr_t addr)
 186 {
 187     fprintf(stderr, "%s to %s (0x" TARGET_FMT_plx ") not supported\n",
 188             kind, regname(addr), addr);
 189 }
 190
 191 static void ignore_access(const char *kind, target_phys_addr_t addr)
 192 {
 193     fprintf(stderr, "%s to %s (0x" TARGET_FMT_plx ") ignored\n",
 194             kind, regname(addr), addr);
 195 }
 196
 197 static uint32_t sh7750_mem_readb(void *opaque, target_phys_addr_t addr)
 198 {
 199     switch (addr) {
 200     default:
 201         error_access("byte read", addr);
 202         assert(0);
 203     }
 204 }
 205
 206 static uint32_t sh7750_mem_readw(void *opaque, target_phys_addr_t addr)
 207 {
 208     SH7750State *s = opaque;
 209
 210     switch (addr) {
 211     case SH7750_FRQCR_A7:
 212         return 0;
 213     case SH7750_RFCR_A7:
 214         fprintf(stderr,
 215                 "Read access to refresh count register, incrementing\n");
 216         return s->rfcr++;
 217     case SH7750_PDTRA_A7:
 218         return porta_lines(s);
 219     case SH7750_PDTRB_A7:
 220         return portb_lines(s);
 221     case 0x1fd00000:
 222         return s->icr;
 223     default:
 224         error_access("word read", addr);
 225         assert(0);
 226     }
 227 }
 228
 229 static uint32_t sh7750_mem_readl(void *opaque, target_phys_addr_t addr)
 230 {
 231     SH7750State *s = opaque;
 232
 233     switch (addr) {
 234     case SH7750_MMUCR_A7:
 235         return s->cpu->mmucr;
 236     case SH7750_PTEH_A7:
 237         return s->cpu->pteh;
 238     case SH7750_PTEL_A7:
 239         return s->cpu->ptel;
 240     case SH7750_TTB_A7:
 241         return s->cpu->ttb;
 242     case SH7750_TEA_A7:
 243         return s->cpu->tea;
 244     case SH7750_TRA_A7:
 245         return s->cpu->tra;
 246     case SH7750_EXPEVT_A7:
 247         return s->cpu->expevt;
 248     case SH7750_INTEVT_A7:
 249         return s->cpu->intevt;
 250     case SH7750_CCR_A7:
 251         return s->ccr;
 252     case 0x1f000030:            /* Processor version PVR */
 253         return 0x00050000;      /* SH7750R */
 254     case 0x1f000040:            /* Processor version CVR */
 255         return 0x00110000;      /* Minimum caches */
 256     case 0x1f000044:            /* Processor version PRR */
 257         return 0x00000100;      /* SH7750R */
 258     default:
 259         error_access("long read", addr);
 260         assert(0);
 261     }
 262 }
 263
 264 static void sh7750_mem_writeb(void *opaque, target_phys_addr_t addr,
 265                               uint32_t mem_value)
 266 {
 267     switch (addr) {
 268         /* PRECHARGE ? XXXXX */
 269     case SH7750_PRECHARGE0_A7:
 270     case SH7750_PRECHARGE1_A7:
 271         ignore_access("byte write", addr);
 272         return;
 273     default:
 274         error_access("byte write", addr);
 275         assert(0);
 276     }
 277 }
 278
 279 static void sh7750_mem_writew(void *opaque, target_phys_addr_t addr,
 280                               uint32_t mem_value)
 281 {
 282     SH7750State *s = opaque;
 283     uint16_t temp;
 284
 285     switch (addr) {
 286         /* SDRAM controller */
 287     case SH7750_BCR2_A7:
 288     case SH7750_BCR3_A7:
 289     case SH7750_RTCOR_A7:
 290     case SH7750_RTCNT_A7:
 291     case SH7750_RTCSR_A7:
 292         ignore_access("word write", addr);
 293         return;
 294         /* IO ports */
 295     case SH7750_PDTRA_A7:
 296         temp = porta_lines(s);
 297         s->pdtra = mem_value;
 298         porta_changed(s, temp);
 299         return;
 300     case SH7750_PDTRB_A7:
 301         temp = portb_lines(s);
 302         s->pdtrb = mem_value;
 303         portb_changed(s, temp);
 304         return;
 305     case SH7750_RFCR_A7:
 306         fprintf(stderr, "Write access to refresh count register\n");
 307         s->rfcr = mem_value;
 308         return;
 309     case SH7750_GPIOIC_A7:
 310         s->gpioic = mem_value;
 311         if (mem_value != 0) {
 312             fprintf(stderr, "I/O interrupts not implemented\n");
 313             assert(0);
 314         }
 315         return;
 316     case 0x1fd00000:
 317         s->icr = mem_value;
 318         return;
 319     default:
 320         error_access("word write", addr);
 321         assert(0);
 322     }
 323 }
 324
 325 static void sh7750_mem_writel(void *opaque, target_phys_addr_t addr,
 326                               uint32_t mem_value)
 327 {
 328     SH7750State *s = opaque;
 329     uint16_t temp;
 330
 331     switch (addr) {
 332         /* SDRAM controller */
 333     case SH7750_BCR1_A7:
 334     case SH7750_BCR4_A7:
 335     case SH7750_WCR1_A7:
 336     case SH7750_WCR2_A7:
 337     case SH7750_WCR3_A7:
 338     case SH7750_MCR_A7:
 339         ignore_access("long write", addr);
 340         return;
 341         /* IO ports */
 342     case SH7750_PCTRA_A7:
 343         temp = porta_lines(s);
 344         s->pctra = mem_value;
 345         s->portdira = portdir(mem_value);
 346         s->portpullupa = portpullup(mem_value);
 347         porta_changed(s, temp);
 348         return;
 349     case SH7750_PCTRB_A7:
 350         temp = portb_lines(s);
 351         s->pctrb = mem_value;
 352         s->portdirb = portdir(mem_value);
 353         s->portpullupb = portpullup(mem_value);
 354         portb_changed(s, temp);
 355         return;
 356     case SH7750_MMUCR_A7:
 357         s->cpu->mmucr = mem_value;
 358         return;
 359     case SH7750_PTEH_A7:
 360         /* If asid changes, clear all registered tlb entries. */
 361         if ((s->cpu->pteh & 0xff) != (mem_value & 0xff))
 362             tlb_flush(s->cpu, 1);
 363         s->cpu->pteh = mem_value;
 364         return;
 365     case SH7750_PTEL_A7:
 366         s->cpu->ptel = mem_value;
 367         return;
 368     case SH7750_PTEA_A7:
 369         s->cpu->ptea = mem_value & 0x0000000f;
 370         return;
 371     case SH7750_TTB_A7:
 372         s->cpu->ttb = mem_value;
 373         return;
 374     case SH7750_TEA_A7:
 375         s->cpu->tea = mem_value;
 376         return;
 377     case SH7750_TRA_A7:
 378         s->cpu->tra = mem_value & 0x000007ff;
 379         return;
 380     case SH7750_EXPEVT_A7:
 381         s->cpu->expevt = mem_value & 0x000007ff;
 382         return;
 383     case SH7750_INTEVT_A7:
 384         s->cpu->intevt = mem_value & 0x000007ff;
 385         return;
 386     case SH7750_CCR_A7:
 387         s->ccr = mem_value;
 388         return;
 389     default:
 390         error_access("long write", addr);
 391         assert(0);
 392     }
 393 }
 394
 395 static CPUReadMemoryFunc *sh7750_mem_read[] = {
 396     sh7750_mem_readb,
 397     sh7750_mem_readw,
 398     sh7750_mem_readl
 399 };
 400
 401 static CPUWriteMemoryFunc *sh7750_mem_write[] = {
 402     sh7750_mem_writeb,
 403     sh7750_mem_writew,
 404     sh7750_mem_writel
 405 };
 406
 407 /* sh775x interrupt controller tables for sh_intc.c
 408  * stolen from linux/arch/sh/kernel/cpu/sh4/setup-sh7750.c
 409  */
 410
 411 enum {
 412         UNUSED = 0,
 413
 414         /* interrupt sources */
 415         IRL0, IRL1, IRL2, IRL3, /* only IRLM mode supported */
 416         HUDI, GPIOI,
 417         DMAC_DMTE0, DMAC_DMTE1, DMAC_DMTE2, DMAC_DMTE3,
 418         DMAC_DMTE4, DMAC_DMTE5, DMAC_DMTE6, DMAC_DMTE7,
 419         DMAC_DMAE,
 420         PCIC0_PCISERR, PCIC1_PCIERR, PCIC1_PCIPWDWN, PCIC1_PCIPWON,
 421         PCIC1_PCIDMA0, PCIC1_PCIDMA1, PCIC1_PCIDMA2, PCIC1_PCIDMA3,
 422         TMU3, TMU4, TMU0, TMU1, TMU2_TUNI, TMU2_TICPI,
 423         RTC_ATI, RTC_PRI, RTC_CUI,
 424         SCI1_ERI, SCI1_RXI, SCI1_TXI, SCI1_TEI,
 425         SCIF_ERI, SCIF_RXI, SCIF_BRI, SCIF_TXI,
 426         WDT,
 427         REF_RCMI, REF_ROVI,
 428
 429         /* interrupt groups */
 430         DMAC, PCIC1, TMU2, RTC, SCI1, SCIF, REF,
 431
 432         NR_SOURCES,
 433 };
 434
 435 static struct intc_vect vectors[] = {
 436         INTC_VECT(HUDI, 0x600), INTC_VECT(GPIOI, 0x620),
 437         INTC_VECT(TMU0, 0x400), INTC_VECT(TMU1, 0x420),
 438         INTC_VECT(TMU2_TUNI, 0x440), INTC_VECT(TMU2_TICPI, 0x460),
 439         INTC_VECT(RTC_ATI, 0x480), INTC_VECT(RTC_PRI, 0x4a0),
 440         INTC_VECT(RTC_CUI, 0x4c0),
 441         INTC_VECT(SCI1_ERI, 0x4e0), INTC_VECT(SCI1_RXI, 0x500),
 442         INTC_VECT(SCI1_TXI, 0x520), INTC_VECT(SCI1_TEI, 0x540),
 443         INTC_VECT(SCIF_ERI, 0x700), INTC_VECT(SCIF_RXI, 0x720),
 444         INTC_VECT(SCIF_BRI, 0x740), INTC_VECT(SCIF_TXI, 0x760),
 445         INTC_VECT(WDT, 0x560),
 446         INTC_VECT(REF_RCMI, 0x580), INTC_VECT(REF_ROVI, 0x5a0),
 447 };
 448
 449 static struct intc_group groups[] = {
 450         INTC_GROUP(TMU2, TMU2_TUNI, TMU2_TICPI),
 451         INTC_GROUP(RTC, RTC_ATI, RTC_PRI, RTC_CUI),
 452         INTC_GROUP(SCI1, SCI1_ERI, SCI1_RXI, SCI1_TXI, SCI1_TEI),
 453         INTC_GROUP(SCIF, SCIF_ERI, SCIF_RXI, SCIF_BRI, SCIF_TXI),
 454         INTC_GROUP(REF, REF_RCMI, REF_ROVI),
 455 };
 456
 457 static struct intc_prio_reg prio_registers[] = {
 458         { 0xffd00004, 0, 16, 4, /* IPRA */ { TMU0, TMU1, TMU2, RTC } },
 459         { 0xffd00008, 0, 16, 4, /* IPRB */ { WDT, REF, SCI1, 0 } },
 460         { 0xffd0000c, 0, 16, 4, /* IPRC */ { GPIOI, DMAC, SCIF, HUDI } },
 461         { 0xffd00010, 0, 16, 4, /* IPRD */ { IRL0, IRL1, IRL2, IRL3 } },
 462         { 0xfe080000, 0, 32, 4, /* INTPRI00 */ { 0, 0, 0, 0,
 463                                                  TMU4, TMU3,
 464                                                  PCIC1, PCIC0_PCISERR } },
 465 };
 466
 467 /* SH7750, SH7750S, SH7751 and SH7091 all have 4-channel DMA controllers */
 468
 469 static struct intc_vect vectors_dma4[] = {
 470         INTC_VECT(DMAC_DMTE0, 0x640), INTC_VECT(DMAC_DMTE1, 0x660),
 471         INTC_VECT(DMAC_DMTE2, 0x680), INTC_VECT(DMAC_DMTE3, 0x6a0),
 472         INTC_VECT(DMAC_DMAE, 0x6c0),
 473 };
 474
 475 static struct intc_group groups_dma4[] = {
 476         INTC_GROUP(DMAC, DMAC_DMTE0, DMAC_DMTE1, DMAC_DMTE2,
 477                    DMAC_DMTE3, DMAC_DMAE),
 478 };
 479
 480 /* SH7750R and SH7751R both have 8-channel DMA controllers */
 481
 482 static struct intc_vect vectors_dma8[] = {
 483         INTC_VECT(DMAC_DMTE0, 0x640), INTC_VECT(DMAC_DMTE1, 0x660),
 484         INTC_VECT(DMAC_DMTE2, 0x680), INTC_VECT(DMAC_DMTE3, 0x6a0),
 485         INTC_VECT(DMAC_DMTE4, 0x780), INTC_VECT(DMAC_DMTE5, 0x7a0),
 486         INTC_VECT(DMAC_DMTE6, 0x7c0), INTC_VECT(DMAC_DMTE7, 0x7e0),
 487         INTC_VECT(DMAC_DMAE, 0x6c0),
 488 };
 489
 490 static struct intc_group groups_dma8[] = {
 491         INTC_GROUP(DMAC, DMAC_DMTE0, DMAC_DMTE1, DMAC_DMTE2,
 492                    DMAC_DMTE3, DMAC_DMTE4, DMAC_DMTE5,
 493                    DMAC_DMTE6, DMAC_DMTE7, DMAC_DMAE),
 494 };
 495
 496 /* SH7750R, SH7751 and SH7751R all have two extra timer channels */
 497
 498 static struct intc_vect vectors_tmu34[] = {
 499         INTC_VECT(TMU3, 0xb00), INTC_VECT(TMU4, 0xb80),
 500 };
 501
 502 static struct intc_mask_reg mask_registers[] = {
 503         { 0xfe080040, 0xfe080060, 32, /* INTMSK00 / INTMSKCLR00 */
 504           { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 505             0, 0, 0, 0, 0, 0, TMU4, TMU3,
 506             PCIC1_PCIERR, PCIC1_PCIPWDWN, PCIC1_PCIPWON,
 507             PCIC1_PCIDMA0, PCIC1_PCIDMA1, PCIC1_PCIDMA2,
 508             PCIC1_PCIDMA3, PCIC0_PCISERR } },
 509 };
 510
 511 /* SH7750S, SH7750R, SH7751 and SH7751R all have IRLM priority registers */
 512
 513 static struct intc_vect vectors_irlm[] = {
 514         INTC_VECT(IRL0, 0x240), INTC_VECT(IRL1, 0x2a0),
 515         INTC_VECT(IRL2, 0x300), INTC_VECT(IRL3, 0x360),
 516 };
 517
 518 /* SH7751 and SH7751R both have PCI */
 519
 520 static struct intc_vect vectors_pci[] = {
 521         INTC_VECT(PCIC0_PCISERR, 0xa00), INTC_VECT(PCIC1_PCIERR, 0xae0),
 522         INTC_VECT(PCIC1_PCIPWDWN, 0xac0), INTC_VECT(PCIC1_PCIPWON, 0xaa0),
 523         INTC_VECT(PCIC1_PCIDMA0, 0xa80), INTC_VECT(PCIC1_PCIDMA1, 0xa60),
 524         INTC_VECT(PCIC1_PCIDMA2, 0xa40), INTC_VECT(PCIC1_PCIDMA3, 0xa20),
 525 };
 526
 527 static struct intc_group groups_pci[] = {
 528         INTC_GROUP(PCIC1, PCIC1_PCIERR, PCIC1_PCIPWDWN, PCIC1_PCIPWON,
 529                    PCIC1_PCIDMA0, PCIC1_PCIDMA1, PCIC1_PCIDMA2, PCIC1_PCIDMA3),
 530 };
 531
 532 #define SH_CPU_SH7750  (1 << 0)
 533 #define SH_CPU_SH7750S (1 << 1)
 534 #define SH_CPU_SH7750R (1 << 2)
 535 #define SH_CPU_SH7751  (1 << 3)
 536 #define SH_CPU_SH7751R (1 << 4)
 537 #define SH_CPU_SH7750_ALL (SH_CPU_SH7750 | SH_CPU_SH7750S | SH_CPU_SH7750R)
 538 #define SH_CPU_SH7751_ALL (SH_CPU_SH7751 | SH_CPU_SH7751R)
 539
 540 /**********************************************************************
 541  Memory mapped cache and TLB
 542 **********************************************************************/
 543
 544 #define MM_REGION_MASK   0x07000000
 545 #define MM_ICACHE_ADDR   (0)
 546 #define MM_ICACHE_DATA   (1)
 547 #define MM_ITLB_ADDR     (2)
 548 #define MM_ITLB_DATA     (3)
 549 #define MM_OCACHE_ADDR   (4)
 550 #define MM_OCACHE_DATA   (5)
 551 #define MM_UTLB_ADDR     (6)
 552 #define MM_UTLB_DATA     (7)
 553 #define MM_REGION_TYPE(addr)  ((addr & MM_REGION_MASK) >> 24)
 554
 555 static uint32_t invalid_read(void *opaque, target_phys_addr_t addr)
 556 {
 557     assert(0);
 558
 559     return 0;
 560 }
 561
 562 static uint32_t sh7750_mmct_readl(void *opaque, target_phys_addr_t addr)
 563 {
 564     uint32_t ret = 0;
 565
 566     switch (MM_REGION_TYPE(addr)) {
 567     case MM_ICACHE_ADDR:
 568     case MM_ICACHE_DATA:
 569         /* do nothing */
 570         break;
 571     case MM_ITLB_ADDR:
 572     case MM_ITLB_DATA:
 573         /* XXXXX */
 574         assert(0);
 575         break;
 576     case MM_OCACHE_ADDR:
 577     case MM_OCACHE_DATA:
 578         /* do nothing */
 579         break;
 580     case MM_UTLB_ADDR:
 581     case MM_UTLB_DATA:
 582         /* XXXXX */
 583         assert(0);
 584         break;
 585     default:
 586         assert(0);
 587     }
 588
 589     return ret;
 590 }
 591
 592 static void invalid_write(void *opaque, target_phys_addr_t addr,
 593                           uint32_t mem_value)
 594 {
 595     assert(0);
 596 }
 597
 598 static void sh7750_mmct_writel(void *opaque, target_phys_addr_t addr,
 599                                 uint32_t mem_value)
 600 {
 601     SH7750State *s = opaque;
 602
 603     switch (MM_REGION_TYPE(addr)) {
 604     case MM_ICACHE_ADDR:
 605     case MM_ICACHE_DATA:
 606         /* do nothing */
 607         break;
 608     case MM_ITLB_ADDR:
 609     case MM_ITLB_DATA:
 610         /* XXXXX */
 611         assert(0);
 612         break;
 613     case MM_OCACHE_ADDR:
 614     case MM_OCACHE_DATA:
 615         /* do nothing */
 616         break;
 617     case MM_UTLB_ADDR:
 618         cpu_sh4_write_mmaped_utlb_addr(s->cpu, addr, mem_value);
 619         break;
 620     case MM_UTLB_DATA:
 621         /* XXXXX */
 622         assert(0);
 623         break;
 624     default:
 625         assert(0);
 626         break;
 627     }
 628 }
 629
 630 static CPUReadMemoryFunc *sh7750_mmct_read[] = {
 631     invalid_read,
 632     invalid_read,
 633     sh7750_mmct_readl
 634 };
 635
 636 static CPUWriteMemoryFunc *sh7750_mmct_write[] = {
 637     invalid_write,
 638     invalid_write,
 639     sh7750_mmct_writel
 640 };
 641
 642 SH7750State *sh7750_init(CPUSH4State * cpu)
 643 {
 644     SH7750State *s;
 645     int sh7750_io_memory;
 646     int sh7750_mm_cache_and_tlb; /* memory mapped cache and tlb */
 647     int cpu_model = SH_CPU_SH7751R; /* for now */
 648
 649     s = qemu_mallocz(sizeof(SH7750State));
 650     s->cpu = cpu;
 651     s->periph_freq = 60000000;  /* 60MHz */
 652     sh7750_io_memory = cpu_register_io_memory(0,
 653                                               sh7750_mem_read,
 654                                               sh7750_mem_write, s);
 655     cpu_register_physical_memory(0x1c000000, 0x04000000, sh7750_io_memory);
 656
 657     sh7750_mm_cache_and_tlb = cpu_register_io_memory(0,
 658                                                      sh7750_mmct_read,
 659                                                      sh7750_mmct_write, s);
 660     cpu_register_physical_memory(0xf0000000, 0x08000000,
 661                                  sh7750_mm_cache_and_tlb);
 662
 663     sh_intc_init(&s->intc, NR_SOURCES,
 664                  _INTC_ARRAY(mask_registers),
 665                  _INTC_ARRAY(prio_registers));
 666
 667     sh_intc_register_sources(&s->intc,
 668                              _INTC_ARRAY(vectors),
 669                              _INTC_ARRAY(groups));
 670
 671     cpu->intc_handle = &s->intc;
 672
 673     sh_serial_init(0x1fe00000, 0, s->periph_freq, serial_hds[0],
 674                    sh_intc_source(&s->intc, SCI1_ERI),
 675                    sh_intc_source(&s->intc, SCI1_RXI),
 676                    sh_intc_source(&s->intc, SCI1_TXI),
 677                    sh_intc_source(&s->intc, SCI1_TEI),
 678                    NULL);
 679     sh_serial_init(0x1fe80000, SH_SERIAL_FEAT_SCIF,
 680                    s->periph_freq, serial_hds[1],
 681                    sh_intc_source(&s->intc, SCIF_ERI),
 682                    sh_intc_source(&s->intc, SCIF_RXI),
 683                    sh_intc_source(&s->intc, SCIF_TXI),
 684                    NULL,
 685                    sh_intc_source(&s->intc, SCIF_BRI));
 686
 687     tmu012_init(0x1fd80000,
 688                 TMU012_FEAT_TOCR | TMU012_FEAT_3CHAN | TMU012_FEAT_EXTCLK,
 689                 s->periph_freq,
 690                 sh_intc_source(&s->intc, TMU0),
 691                 sh_intc_source(&s->intc, TMU1),
 692                 sh_intc_source(&s->intc, TMU2_TUNI),
 693                 sh_intc_source(&s->intc, TMU2_TICPI));
 694
 695     if (cpu_model & (SH_CPU_SH7750 | SH_CPU_SH7750S | SH_CPU_SH7751)) {
 696         sh_intc_register_sources(&s->intc,
 697                                  _INTC_ARRAY(vectors_dma4),
 698                                  _INTC_ARRAY(groups_dma4));
 699     }
 700
 701     if (cpu_model & (SH_CPU_SH7750R | SH_CPU_SH7751R)) {
 702         sh_intc_register_sources(&s->intc,
 703                                  _INTC_ARRAY(vectors_dma8),
 704                                  _INTC_ARRAY(groups_dma8));
 705     }
 706
 707     if (cpu_model & (SH_CPU_SH7750R | SH_CPU_SH7751 | SH_CPU_SH7751R)) {
 708         sh_intc_register_sources(&s->intc,
 709                                  _INTC_ARRAY(vectors_tmu34),
 710                                  NULL, 0);
 711         tmu012_init(0x1e100000, 0, s->periph_freq,
 712                     sh_intc_source(&s->intc, TMU3),
 713                     sh_intc_source(&s->intc, TMU4),
 714                     NULL, NULL);
 715     }
 716
 717     if (cpu_model & (SH_CPU_SH7751_ALL)) {
 718         sh_intc_register_sources(&s->intc,
 719                                  _INTC_ARRAY(vectors_pci),
 720                                  _INTC_ARRAY(groups_pci));
 721     }
 722
 723     if (cpu_model & (SH_CPU_SH7750S | SH_CPU_SH7750R | SH_CPU_SH7751_ALL)) {
 724         sh_intc_register_sources(&s->intc,
 725                                  _INTC_ARRAY(vectors_irlm),
 726                                  NULL, 0);
 727     }
 728
 729     return s;
 730 }