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 } 871