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 26 #include "qemu/osdep.h" 27 #include "hw/irq.h" 28 #include "hw/sh4/sh.h" 29 #include "sysemu/sysemu.h" 30 #include "sh7750_regs.h" 31 #include "sh7750_regnames.h" 32 #include "hw/sh4/sh_intc.h" 33 #include "hw/timer/tmu012.h" 34 #include "exec/exec-all.h" 35 36 #define NB_DEVICES 4 37 38 typedef struct SH7750State { 39 MemoryRegion iomem; 40 MemoryRegion iomem_1f0; 41 MemoryRegion iomem_ff0; 42 MemoryRegion iomem_1f8; 43 MemoryRegion iomem_ff8; 44 MemoryRegion iomem_1fc; 45 MemoryRegion iomem_ffc; 46 MemoryRegion mmct_iomem; 47 /* CPU */ 48 SuperHCPU *cpu; 49 /* Peripheral frequency in Hz */ 50 uint32_t periph_freq; 51 /* SDRAM controller */ 52 uint32_t bcr1; 53 uint16_t bcr2; 54 uint16_t bcr3; 55 uint32_t bcr4; 56 uint16_t rfcr; 57 /* PCMCIA controller */ 58 uint16_t pcr; 59 /* IO ports */ 60 uint16_t gpioic; 61 uint32_t pctra; 62 uint32_t pctrb; 63 uint16_t portdira; /* Cached */ 64 uint16_t portpullupa; /* Cached */ 65 uint16_t portdirb; /* Cached */ 66 uint16_t portpullupb; /* Cached */ 67 uint16_t pdtra; 68 uint16_t pdtrb; 69 uint16_t periph_pdtra; /* Imposed by the peripherals */ 70 uint16_t periph_portdira; /* Direction seen from the peripherals */ 71 uint16_t periph_pdtrb; /* Imposed by the peripherals */ 72 uint16_t periph_portdirb; /* Direction seen from the peripherals */ 73 sh7750_io_device *devices[NB_DEVICES]; /* External peripherals */ 74 75 /* Cache */ 76 uint32_t ccr; 77 78 struct intc_desc intc; 79 } SH7750State; 80 81 static inline int has_bcr3_and_bcr4(SH7750State * s) 82 { 83 return s->cpu->env.features & SH_FEATURE_BCR3_AND_BCR4; 84 } 85 /********************************************************************** 86 I/O ports 87 **********************************************************************/ 88 89 int sh7750_register_io_device(SH7750State * s, sh7750_io_device * device) 90 { 91 int i; 92 93 for (i = 0; i < NB_DEVICES; i++) { 94 if (s->devices[i] == NULL) { 95 s->devices[i] = device; 96 return 0; 97 } 98 } 99 return -1; 100 } 101 102 static uint16_t portdir(uint32_t v) 103 { 104 #define EVENPORTMASK(n) ((v & (1<<((n)<<1))) >> (n)) 105 return 106 EVENPORTMASK(15) | EVENPORTMASK(14) | EVENPORTMASK(13) | 107 EVENPORTMASK(12) | EVENPORTMASK(11) | EVENPORTMASK(10) | 108 EVENPORTMASK(9) | EVENPORTMASK(8) | EVENPORTMASK(7) | 109 EVENPORTMASK(6) | EVENPORTMASK(5) | EVENPORTMASK(4) | 110 EVENPORTMASK(3) | EVENPORTMASK(2) | EVENPORTMASK(1) | 111 EVENPORTMASK(0); 112 } 113 114 static uint16_t portpullup(uint32_t v) 115 { 116 #define ODDPORTMASK(n) ((v & (1<<(((n)<<1)+1))) >> (n)) 117 return 118 ODDPORTMASK(15) | ODDPORTMASK(14) | ODDPORTMASK(13) | 119 ODDPORTMASK(12) | ODDPORTMASK(11) | ODDPORTMASK(10) | 120 ODDPORTMASK(9) | ODDPORTMASK(8) | ODDPORTMASK(7) | ODDPORTMASK(6) | 121 ODDPORTMASK(5) | ODDPORTMASK(4) | ODDPORTMASK(3) | ODDPORTMASK(2) | 122 ODDPORTMASK(1) | ODDPORTMASK(0); 123 } 124 125 static uint16_t porta_lines(SH7750State * s) 126 { 127 return (s->portdira & s->pdtra) | /* CPU */ 128 (s->periph_portdira & s->periph_pdtra) | /* Peripherals */ 129 (~(s->portdira | s->periph_portdira) & s->portpullupa); /* Pullups */ 130 } 131 132 static uint16_t portb_lines(SH7750State * s) 133 { 134 return (s->portdirb & s->pdtrb) | /* CPU */ 135 (s->periph_portdirb & s->periph_pdtrb) | /* Peripherals */ 136 (~(s->portdirb | s->periph_portdirb) & s->portpullupb); /* Pullups */ 137 } 138 139 static void gen_port_interrupts(SH7750State * s) 140 { 141 /* XXXXX interrupts not generated */ 142 } 143 144 static void porta_changed(SH7750State * s, uint16_t prev) 145 { 146 uint16_t currenta, changes; 147 int i, r = 0; 148 149 #if 0 150 fprintf(stderr, "porta changed from 0x%04x to 0x%04x\n", 151 prev, porta_lines(s)); 152 fprintf(stderr, "pdtra=0x%04x, pctra=0x%08x\n", s->pdtra, s->pctra); 153 #endif 154 currenta = porta_lines(s); 155 if (currenta == prev) 156 return; 157 changes = currenta ^ prev; 158 159 for (i = 0; i < NB_DEVICES; i++) { 160 if (s->devices[i] && (s->devices[i]->portamask_trigger & changes)) { 161 r |= s->devices[i]->port_change_cb(currenta, portb_lines(s), 162 &s->periph_pdtra, 163 &s->periph_portdira, 164 &s->periph_pdtrb, 165 &s->periph_portdirb); 166 } 167 } 168 169 if (r) 170 gen_port_interrupts(s); 171 } 172 173 static void portb_changed(SH7750State * s, uint16_t prev) 174 { 175 uint16_t currentb, changes; 176 int i, r = 0; 177 178 currentb = portb_lines(s); 179 if (currentb == prev) 180 return; 181 changes = currentb ^ prev; 182 183 for (i = 0; i < NB_DEVICES; i++) { 184 if (s->devices[i] && (s->devices[i]->portbmask_trigger & changes)) { 185 r |= s->devices[i]->port_change_cb(portb_lines(s), currentb, 186 &s->periph_pdtra, 187 &s->periph_portdira, 188 &s->periph_pdtrb, 189 &s->periph_portdirb); 190 } 191 } 192 193 if (r) 194 gen_port_interrupts(s); 195 } 196 197 /********************************************************************** 198 Memory 199 **********************************************************************/ 200 201 static void error_access(const char *kind, hwaddr addr) 202 { 203 fprintf(stderr, "%s to %s (0x" TARGET_FMT_plx ") not supported\n", 204 kind, regname(addr), addr); 205 } 206 207 static void ignore_access(const char *kind, hwaddr addr) 208 { 209 fprintf(stderr, "%s to %s (0x" TARGET_FMT_plx ") ignored\n", 210 kind, regname(addr), addr); 211 } 212 213 static uint32_t sh7750_mem_readb(void *opaque, hwaddr addr) 214 { 215 switch (addr) { 216 default: 217 error_access("byte read", addr); 218 abort(); 219 } 220 } 221 222 static uint32_t sh7750_mem_readw(void *opaque, hwaddr addr) 223 { 224 SH7750State *s = opaque; 225 226 switch (addr) { 227 case SH7750_BCR2_A7: 228 return s->bcr2; 229 case SH7750_BCR3_A7: 230 if(!has_bcr3_and_bcr4(s)) 231 error_access("word read", addr); 232 return s->bcr3; 233 case SH7750_FRQCR_A7: 234 return 0; 235 case SH7750_PCR_A7: 236 return s->pcr; 237 case SH7750_RFCR_A7: 238 fprintf(stderr, 239 "Read access to refresh count register, incrementing\n"); 240 return s->rfcr++; 241 case SH7750_PDTRA_A7: 242 return porta_lines(s); 243 case SH7750_PDTRB_A7: 244 return portb_lines(s); 245 case SH7750_RTCOR_A7: 246 case SH7750_RTCNT_A7: 247 case SH7750_RTCSR_A7: 248 ignore_access("word read", addr); 249 return 0; 250 default: 251 error_access("word read", addr); 252 abort(); 253 } 254 } 255 256 static uint32_t sh7750_mem_readl(void *opaque, hwaddr addr) 257 { 258 SH7750State *s = opaque; 259 SuperHCPUClass *scc; 260 261 switch (addr) { 262 case SH7750_BCR1_A7: 263 return s->bcr1; 264 case SH7750_BCR4_A7: 265 if(!has_bcr3_and_bcr4(s)) 266 error_access("long read", addr); 267 return s->bcr4; 268 case SH7750_WCR1_A7: 269 case SH7750_WCR2_A7: 270 case SH7750_WCR3_A7: 271 case SH7750_MCR_A7: 272 ignore_access("long read", addr); 273 return 0; 274 case SH7750_MMUCR_A7: 275 return s->cpu->env.mmucr; 276 case SH7750_PTEH_A7: 277 return s->cpu->env.pteh; 278 case SH7750_PTEL_A7: 279 return s->cpu->env.ptel; 280 case SH7750_TTB_A7: 281 return s->cpu->env.ttb; 282 case SH7750_TEA_A7: 283 return s->cpu->env.tea; 284 case SH7750_TRA_A7: 285 return s->cpu->env.tra; 286 case SH7750_EXPEVT_A7: 287 return s->cpu->env.expevt; 288 case SH7750_INTEVT_A7: 289 return s->cpu->env.intevt; 290 case SH7750_CCR_A7: 291 return s->ccr; 292 case 0x1f000030: /* Processor version */ 293 scc = SUPERH_CPU_GET_CLASS(s->cpu); 294 return scc->pvr; 295 case 0x1f000040: /* Cache version */ 296 scc = SUPERH_CPU_GET_CLASS(s->cpu); 297 return scc->cvr; 298 case 0x1f000044: /* Processor revision */ 299 scc = SUPERH_CPU_GET_CLASS(s->cpu); 300 return scc->prr; 301 default: 302 error_access("long read", addr); 303 abort(); 304 } 305 } 306 307 #define is_in_sdrmx(a, x) (a >= SH7750_SDMR ## x ## _A7 \ 308 && a <= (SH7750_SDMR ## x ## _A7 + SH7750_SDMR ## x ## _REGNB)) 309 static void sh7750_mem_writeb(void *opaque, hwaddr addr, 310 uint32_t mem_value) 311 { 312 313 if (is_in_sdrmx(addr, 2) || is_in_sdrmx(addr, 3)) { 314 ignore_access("byte write", addr); 315 return; 316 } 317 318 error_access("byte write", addr); 319 abort(); 320 } 321 322 static void sh7750_mem_writew(void *opaque, hwaddr addr, 323 uint32_t mem_value) 324 { 325 SH7750State *s = opaque; 326 uint16_t temp; 327 328 switch (addr) { 329 /* SDRAM controller */ 330 case SH7750_BCR2_A7: 331 s->bcr2 = mem_value; 332 return; 333 case SH7750_BCR3_A7: 334 if(!has_bcr3_and_bcr4(s)) 335 error_access("word write", addr); 336 s->bcr3 = mem_value; 337 return; 338 case SH7750_PCR_A7: 339 s->pcr = mem_value; 340 return; 341 case SH7750_RTCNT_A7: 342 case SH7750_RTCOR_A7: 343 case SH7750_RTCSR_A7: 344 ignore_access("word write", addr); 345 return; 346 /* IO ports */ 347 case SH7750_PDTRA_A7: 348 temp = porta_lines(s); 349 s->pdtra = mem_value; 350 porta_changed(s, temp); 351 return; 352 case SH7750_PDTRB_A7: 353 temp = portb_lines(s); 354 s->pdtrb = mem_value; 355 portb_changed(s, temp); 356 return; 357 case SH7750_RFCR_A7: 358 fprintf(stderr, "Write access to refresh count register\n"); 359 s->rfcr = mem_value; 360 return; 361 case SH7750_GPIOIC_A7: 362 s->gpioic = mem_value; 363 if (mem_value != 0) { 364 fprintf(stderr, "I/O interrupts not implemented\n"); 365 abort(); 366 } 367 return; 368 default: 369 error_access("word write", addr); 370 abort(); 371 } 372 } 373 374 static void sh7750_mem_writel(void *opaque, hwaddr addr, 375 uint32_t mem_value) 376 { 377 SH7750State *s = opaque; 378 uint16_t temp; 379 380 switch (addr) { 381 /* SDRAM controller */ 382 case SH7750_BCR1_A7: 383 s->bcr1 = mem_value; 384 return; 385 case SH7750_BCR4_A7: 386 if(!has_bcr3_and_bcr4(s)) 387 error_access("long write", addr); 388 s->bcr4 = mem_value; 389 return; 390 case SH7750_WCR1_A7: 391 case SH7750_WCR2_A7: 392 case SH7750_WCR3_A7: 393 case SH7750_MCR_A7: 394 ignore_access("long write", addr); 395 return; 396 /* IO ports */ 397 case SH7750_PCTRA_A7: 398 temp = porta_lines(s); 399 s->pctra = mem_value; 400 s->portdira = portdir(mem_value); 401 s->portpullupa = portpullup(mem_value); 402 porta_changed(s, temp); 403 return; 404 case SH7750_PCTRB_A7: 405 temp = portb_lines(s); 406 s->pctrb = mem_value; 407 s->portdirb = portdir(mem_value); 408 s->portpullupb = portpullup(mem_value); 409 portb_changed(s, temp); 410 return; 411 case SH7750_MMUCR_A7: 412 if (mem_value & MMUCR_TI) { 413 cpu_sh4_invalidate_tlb(&s->cpu->env); 414 } 415 s->cpu->env.mmucr = mem_value & ~MMUCR_TI; 416 return; 417 case SH7750_PTEH_A7: 418 /* If asid changes, clear all registered tlb entries. */ 419 if ((s->cpu->env.pteh & 0xff) != (mem_value & 0xff)) { 420 tlb_flush(CPU(s->cpu)); 421 } 422 s->cpu->env.pteh = mem_value; 423 return; 424 case SH7750_PTEL_A7: 425 s->cpu->env.ptel = mem_value; 426 return; 427 case SH7750_PTEA_A7: 428 s->cpu->env.ptea = mem_value & 0x0000000f; 429 return; 430 case SH7750_TTB_A7: 431 s->cpu->env.ttb = mem_value; 432 return; 433 case SH7750_TEA_A7: 434 s->cpu->env.tea = mem_value; 435 return; 436 case SH7750_TRA_A7: 437 s->cpu->env.tra = mem_value & 0x000007ff; 438 return; 439 case SH7750_EXPEVT_A7: 440 s->cpu->env.expevt = mem_value & 0x000007ff; 441 return; 442 case SH7750_INTEVT_A7: 443 s->cpu->env.intevt = mem_value & 0x000007ff; 444 return; 445 case SH7750_CCR_A7: 446 s->ccr = mem_value; 447 return; 448 default: 449 error_access("long write", addr); 450 abort(); 451 } 452 } 453 454 static uint64_t sh7750_mem_readfn(void *opaque, hwaddr addr, unsigned size) 455 { 456 switch (size) { 457 case 1: 458 return sh7750_mem_readb(opaque, addr); 459 case 2: 460 return sh7750_mem_readw(opaque, addr); 461 case 4: 462 return sh7750_mem_readl(opaque, addr); 463 default: 464 g_assert_not_reached(); 465 } 466 } 467 468 static void sh7750_mem_writefn(void *opaque, hwaddr addr, 469 uint64_t value, unsigned size) 470 { 471 switch (size) { 472 case 1: 473 sh7750_mem_writeb(opaque, addr, value); 474 break; 475 case 2: 476 sh7750_mem_writew(opaque, addr, value); 477 break; 478 case 4: 479 sh7750_mem_writel(opaque, addr, value); 480 break; 481 default: 482 g_assert_not_reached(); 483 } 484 } 485 486 static const MemoryRegionOps sh7750_mem_ops = { 487 .read = sh7750_mem_readfn, 488 .write = sh7750_mem_writefn, 489 .valid.min_access_size = 1, 490 .valid.max_access_size = 4, 491 .endianness = DEVICE_NATIVE_ENDIAN, 492 }; 493 494 /* sh775x interrupt controller tables for sh_intc.c 495 * stolen from linux/arch/sh/kernel/cpu/sh4/setup-sh7750.c 496 */ 497 498 enum { 499 UNUSED = 0, 500 501 /* interrupt sources */ 502 IRL_0, IRL_1, IRL_2, IRL_3, IRL_4, IRL_5, IRL_6, IRL_7, 503 IRL_8, IRL_9, IRL_A, IRL_B, IRL_C, IRL_D, IRL_E, 504 IRL0, IRL1, IRL2, IRL3, 505 HUDI, GPIOI, 506 DMAC_DMTE0, DMAC_DMTE1, DMAC_DMTE2, DMAC_DMTE3, 507 DMAC_DMTE4, DMAC_DMTE5, DMAC_DMTE6, DMAC_DMTE7, 508 DMAC_DMAE, 509 PCIC0_PCISERR, PCIC1_PCIERR, PCIC1_PCIPWDWN, PCIC1_PCIPWON, 510 PCIC1_PCIDMA0, PCIC1_PCIDMA1, PCIC1_PCIDMA2, PCIC1_PCIDMA3, 511 TMU3, TMU4, TMU0, TMU1, TMU2_TUNI, TMU2_TICPI, 512 RTC_ATI, RTC_PRI, RTC_CUI, 513 SCI1_ERI, SCI1_RXI, SCI1_TXI, SCI1_TEI, 514 SCIF_ERI, SCIF_RXI, SCIF_BRI, SCIF_TXI, 515 WDT, 516 REF_RCMI, REF_ROVI, 517 518 /* interrupt groups */ 519 DMAC, PCIC1, TMU2, RTC, SCI1, SCIF, REF, 520 /* irl bundle */ 521 IRL, 522 523 NR_SOURCES, 524 }; 525 526 static struct intc_vect vectors[] = { 527 INTC_VECT(HUDI, 0x600), INTC_VECT(GPIOI, 0x620), 528 INTC_VECT(TMU0, 0x400), INTC_VECT(TMU1, 0x420), 529 INTC_VECT(TMU2_TUNI, 0x440), INTC_VECT(TMU2_TICPI, 0x460), 530 INTC_VECT(RTC_ATI, 0x480), INTC_VECT(RTC_PRI, 0x4a0), 531 INTC_VECT(RTC_CUI, 0x4c0), 532 INTC_VECT(SCI1_ERI, 0x4e0), INTC_VECT(SCI1_RXI, 0x500), 533 INTC_VECT(SCI1_TXI, 0x520), INTC_VECT(SCI1_TEI, 0x540), 534 INTC_VECT(SCIF_ERI, 0x700), INTC_VECT(SCIF_RXI, 0x720), 535 INTC_VECT(SCIF_BRI, 0x740), INTC_VECT(SCIF_TXI, 0x760), 536 INTC_VECT(WDT, 0x560), 537 INTC_VECT(REF_RCMI, 0x580), INTC_VECT(REF_ROVI, 0x5a0), 538 }; 539 540 static struct intc_group groups[] = { 541 INTC_GROUP(TMU2, TMU2_TUNI, TMU2_TICPI), 542 INTC_GROUP(RTC, RTC_ATI, RTC_PRI, RTC_CUI), 543 INTC_GROUP(SCI1, SCI1_ERI, SCI1_RXI, SCI1_TXI, SCI1_TEI), 544 INTC_GROUP(SCIF, SCIF_ERI, SCIF_RXI, SCIF_BRI, SCIF_TXI), 545 INTC_GROUP(REF, REF_RCMI, REF_ROVI), 546 }; 547 548 static struct intc_prio_reg prio_registers[] = { 549 { 0xffd00004, 0, 16, 4, /* IPRA */ { TMU0, TMU1, TMU2, RTC } }, 550 { 0xffd00008, 0, 16, 4, /* IPRB */ { WDT, REF, SCI1, 0 } }, 551 { 0xffd0000c, 0, 16, 4, /* IPRC */ { GPIOI, DMAC, SCIF, HUDI } }, 552 { 0xffd00010, 0, 16, 4, /* IPRD */ { IRL0, IRL1, IRL2, IRL3 } }, 553 { 0xfe080000, 0, 32, 4, /* INTPRI00 */ { 0, 0, 0, 0, 554 TMU4, TMU3, 555 PCIC1, PCIC0_PCISERR } }, 556 }; 557 558 /* SH7750, SH7750S, SH7751 and SH7091 all have 4-channel DMA controllers */ 559 560 static struct intc_vect vectors_dma4[] = { 561 INTC_VECT(DMAC_DMTE0, 0x640), INTC_VECT(DMAC_DMTE1, 0x660), 562 INTC_VECT(DMAC_DMTE2, 0x680), INTC_VECT(DMAC_DMTE3, 0x6a0), 563 INTC_VECT(DMAC_DMAE, 0x6c0), 564 }; 565 566 static struct intc_group groups_dma4[] = { 567 INTC_GROUP(DMAC, DMAC_DMTE0, DMAC_DMTE1, DMAC_DMTE2, 568 DMAC_DMTE3, DMAC_DMAE), 569 }; 570 571 /* SH7750R and SH7751R both have 8-channel DMA controllers */ 572 573 static struct intc_vect vectors_dma8[] = { 574 INTC_VECT(DMAC_DMTE0, 0x640), INTC_VECT(DMAC_DMTE1, 0x660), 575 INTC_VECT(DMAC_DMTE2, 0x680), INTC_VECT(DMAC_DMTE3, 0x6a0), 576 INTC_VECT(DMAC_DMTE4, 0x780), INTC_VECT(DMAC_DMTE5, 0x7a0), 577 INTC_VECT(DMAC_DMTE6, 0x7c0), INTC_VECT(DMAC_DMTE7, 0x7e0), 578 INTC_VECT(DMAC_DMAE, 0x6c0), 579 }; 580 581 static struct intc_group groups_dma8[] = { 582 INTC_GROUP(DMAC, DMAC_DMTE0, DMAC_DMTE1, DMAC_DMTE2, 583 DMAC_DMTE3, DMAC_DMTE4, DMAC_DMTE5, 584 DMAC_DMTE6, DMAC_DMTE7, DMAC_DMAE), 585 }; 586 587 /* SH7750R, SH7751 and SH7751R all have two extra timer channels */ 588 589 static struct intc_vect vectors_tmu34[] = { 590 INTC_VECT(TMU3, 0xb00), INTC_VECT(TMU4, 0xb80), 591 }; 592 593 static struct intc_mask_reg mask_registers[] = { 594 { 0xfe080040, 0xfe080060, 32, /* INTMSK00 / INTMSKCLR00 */ 595 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 596 0, 0, 0, 0, 0, 0, TMU4, TMU3, 597 PCIC1_PCIERR, PCIC1_PCIPWDWN, PCIC1_PCIPWON, 598 PCIC1_PCIDMA0, PCIC1_PCIDMA1, PCIC1_PCIDMA2, 599 PCIC1_PCIDMA3, PCIC0_PCISERR } }, 600 }; 601 602 /* SH7750S, SH7750R, SH7751 and SH7751R all have IRLM priority registers */ 603 604 static struct intc_vect vectors_irlm[] = { 605 INTC_VECT(IRL0, 0x240), INTC_VECT(IRL1, 0x2a0), 606 INTC_VECT(IRL2, 0x300), INTC_VECT(IRL3, 0x360), 607 }; 608 609 /* SH7751 and SH7751R both have PCI */ 610 611 static struct intc_vect vectors_pci[] = { 612 INTC_VECT(PCIC0_PCISERR, 0xa00), INTC_VECT(PCIC1_PCIERR, 0xae0), 613 INTC_VECT(PCIC1_PCIPWDWN, 0xac0), INTC_VECT(PCIC1_PCIPWON, 0xaa0), 614 INTC_VECT(PCIC1_PCIDMA0, 0xa80), INTC_VECT(PCIC1_PCIDMA1, 0xa60), 615 INTC_VECT(PCIC1_PCIDMA2, 0xa40), INTC_VECT(PCIC1_PCIDMA3, 0xa20), 616 }; 617 618 static struct intc_group groups_pci[] = { 619 INTC_GROUP(PCIC1, PCIC1_PCIERR, PCIC1_PCIPWDWN, PCIC1_PCIPWON, 620 PCIC1_PCIDMA0, PCIC1_PCIDMA1, PCIC1_PCIDMA2, PCIC1_PCIDMA3), 621 }; 622 623 static struct intc_vect vectors_irl[] = { 624 INTC_VECT(IRL_0, 0x200), 625 INTC_VECT(IRL_1, 0x220), 626 INTC_VECT(IRL_2, 0x240), 627 INTC_VECT(IRL_3, 0x260), 628 INTC_VECT(IRL_4, 0x280), 629 INTC_VECT(IRL_5, 0x2a0), 630 INTC_VECT(IRL_6, 0x2c0), 631 INTC_VECT(IRL_7, 0x2e0), 632 INTC_VECT(IRL_8, 0x300), 633 INTC_VECT(IRL_9, 0x320), 634 INTC_VECT(IRL_A, 0x340), 635 INTC_VECT(IRL_B, 0x360), 636 INTC_VECT(IRL_C, 0x380), 637 INTC_VECT(IRL_D, 0x3a0), 638 INTC_VECT(IRL_E, 0x3c0), 639 }; 640 641 static struct intc_group groups_irl[] = { 642 INTC_GROUP(IRL, IRL_0, IRL_1, IRL_2, IRL_3, IRL_4, IRL_5, IRL_6, 643 IRL_7, IRL_8, IRL_9, IRL_A, IRL_B, IRL_C, IRL_D, IRL_E), 644 }; 645 646 /********************************************************************** 647 Memory mapped cache and TLB 648 **********************************************************************/ 649 650 #define MM_REGION_MASK 0x07000000 651 #define MM_ICACHE_ADDR (0) 652 #define MM_ICACHE_DATA (1) 653 #define MM_ITLB_ADDR (2) 654 #define MM_ITLB_DATA (3) 655 #define MM_OCACHE_ADDR (4) 656 #define MM_OCACHE_DATA (5) 657 #define MM_UTLB_ADDR (6) 658 #define MM_UTLB_DATA (7) 659 #define MM_REGION_TYPE(addr) ((addr & MM_REGION_MASK) >> 24) 660 661 static uint64_t invalid_read(void *opaque, hwaddr addr) 662 { 663 abort(); 664 665 return 0; 666 } 667 668 static uint64_t sh7750_mmct_read(void *opaque, hwaddr addr, 669 unsigned size) 670 { 671 SH7750State *s = opaque; 672 uint32_t ret = 0; 673 674 if (size != 4) { 675 return invalid_read(opaque, addr); 676 } 677 678 switch (MM_REGION_TYPE(addr)) { 679 case MM_ICACHE_ADDR: 680 case MM_ICACHE_DATA: 681 /* do nothing */ 682 break; 683 case MM_ITLB_ADDR: 684 ret = cpu_sh4_read_mmaped_itlb_addr(&s->cpu->env, addr); 685 break; 686 case MM_ITLB_DATA: 687 ret = cpu_sh4_read_mmaped_itlb_data(&s->cpu->env, addr); 688 break; 689 case MM_OCACHE_ADDR: 690 case MM_OCACHE_DATA: 691 /* do nothing */ 692 break; 693 case MM_UTLB_ADDR: 694 ret = cpu_sh4_read_mmaped_utlb_addr(&s->cpu->env, addr); 695 break; 696 case MM_UTLB_DATA: 697 ret = cpu_sh4_read_mmaped_utlb_data(&s->cpu->env, addr); 698 break; 699 default: 700 abort(); 701 } 702 703 return ret; 704 } 705 706 static void invalid_write(void *opaque, hwaddr addr, 707 uint64_t mem_value) 708 { 709 abort(); 710 } 711 712 static void sh7750_mmct_write(void *opaque, hwaddr addr, 713 uint64_t mem_value, unsigned size) 714 { 715 SH7750State *s = opaque; 716 717 if (size != 4) { 718 invalid_write(opaque, addr, mem_value); 719 } 720 721 switch (MM_REGION_TYPE(addr)) { 722 case MM_ICACHE_ADDR: 723 case MM_ICACHE_DATA: 724 /* do nothing */ 725 break; 726 case MM_ITLB_ADDR: 727 cpu_sh4_write_mmaped_itlb_addr(&s->cpu->env, addr, mem_value); 728 break; 729 case MM_ITLB_DATA: 730 cpu_sh4_write_mmaped_itlb_data(&s->cpu->env, addr, mem_value); 731 abort(); 732 break; 733 case MM_OCACHE_ADDR: 734 case MM_OCACHE_DATA: 735 /* do nothing */ 736 break; 737 case MM_UTLB_ADDR: 738 cpu_sh4_write_mmaped_utlb_addr(&s->cpu->env, addr, mem_value); 739 break; 740 case MM_UTLB_DATA: 741 cpu_sh4_write_mmaped_utlb_data(&s->cpu->env, addr, mem_value); 742 break; 743 default: 744 abort(); 745 break; 746 } 747 } 748 749 static const MemoryRegionOps sh7750_mmct_ops = { 750 .read = sh7750_mmct_read, 751 .write = sh7750_mmct_write, 752 .endianness = DEVICE_NATIVE_ENDIAN, 753 }; 754 755 SH7750State *sh7750_init(SuperHCPU *cpu, MemoryRegion *sysmem) 756 { 757 SH7750State *s; 758 759 s = g_malloc0(sizeof(SH7750State)); 760 s->cpu = cpu; 761 s->periph_freq = 60000000; /* 60MHz */ 762 memory_region_init_io(&s->iomem, NULL, &sh7750_mem_ops, s, 763 "memory", 0x1fc01000); 764 765 memory_region_init_alias(&s->iomem_1f0, NULL, "memory-1f0", 766 &s->iomem, 0x1f000000, 0x1000); 767 memory_region_add_subregion(sysmem, 0x1f000000, &s->iomem_1f0); 768 769 memory_region_init_alias(&s->iomem_ff0, NULL, "memory-ff0", 770 &s->iomem, 0x1f000000, 0x1000); 771 memory_region_add_subregion(sysmem, 0xff000000, &s->iomem_ff0); 772 773 memory_region_init_alias(&s->iomem_1f8, NULL, "memory-1f8", 774 &s->iomem, 0x1f800000, 0x1000); 775 memory_region_add_subregion(sysmem, 0x1f800000, &s->iomem_1f8); 776 777 memory_region_init_alias(&s->iomem_ff8, NULL, "memory-ff8", 778 &s->iomem, 0x1f800000, 0x1000); 779 memory_region_add_subregion(sysmem, 0xff800000, &s->iomem_ff8); 780 781 memory_region_init_alias(&s->iomem_1fc, NULL, "memory-1fc", 782 &s->iomem, 0x1fc00000, 0x1000); 783 memory_region_add_subregion(sysmem, 0x1fc00000, &s->iomem_1fc); 784 785 memory_region_init_alias(&s->iomem_ffc, NULL, "memory-ffc", 786 &s->iomem, 0x1fc00000, 0x1000); 787 memory_region_add_subregion(sysmem, 0xffc00000, &s->iomem_ffc); 788 789 memory_region_init_io(&s->mmct_iomem, NULL, &sh7750_mmct_ops, s, 790 "cache-and-tlb", 0x08000000); 791 memory_region_add_subregion(sysmem, 0xf0000000, &s->mmct_iomem); 792 793 sh_intc_init(sysmem, &s->intc, NR_SOURCES, 794 _INTC_ARRAY(mask_registers), 795 _INTC_ARRAY(prio_registers)); 796 797 sh_intc_register_sources(&s->intc, 798 _INTC_ARRAY(vectors), 799 _INTC_ARRAY(groups)); 800 801 cpu->env.intc_handle = &s->intc; 802 803 sh_serial_init(sysmem, 0x1fe00000, 804 0, s->periph_freq, serial_hd(0), 805 s->intc.irqs[SCI1_ERI], 806 s->intc.irqs[SCI1_RXI], 807 s->intc.irqs[SCI1_TXI], 808 s->intc.irqs[SCI1_TEI], 809 NULL); 810 sh_serial_init(sysmem, 0x1fe80000, 811 SH_SERIAL_FEAT_SCIF, 812 s->periph_freq, serial_hd(1), 813 s->intc.irqs[SCIF_ERI], 814 s->intc.irqs[SCIF_RXI], 815 s->intc.irqs[SCIF_TXI], 816 NULL, 817 s->intc.irqs[SCIF_BRI]); 818 819 tmu012_init(sysmem, 0x1fd80000, 820 TMU012_FEAT_TOCR | TMU012_FEAT_3CHAN | TMU012_FEAT_EXTCLK, 821 s->periph_freq, 822 s->intc.irqs[TMU0], 823 s->intc.irqs[TMU1], 824 s->intc.irqs[TMU2_TUNI], 825 s->intc.irqs[TMU2_TICPI]); 826 827 if (cpu->env.id & (SH_CPU_SH7750 | SH_CPU_SH7750S | SH_CPU_SH7751)) { 828 sh_intc_register_sources(&s->intc, 829 _INTC_ARRAY(vectors_dma4), 830 _INTC_ARRAY(groups_dma4)); 831 } 832 833 if (cpu->env.id & (SH_CPU_SH7750R | SH_CPU_SH7751R)) { 834 sh_intc_register_sources(&s->intc, 835 _INTC_ARRAY(vectors_dma8), 836 _INTC_ARRAY(groups_dma8)); 837 } 838 839 if (cpu->env.id & (SH_CPU_SH7750R | SH_CPU_SH7751 | SH_CPU_SH7751R)) { 840 sh_intc_register_sources(&s->intc, 841 _INTC_ARRAY(vectors_tmu34), 842 NULL, 0); 843 tmu012_init(sysmem, 0x1e100000, 0, s->periph_freq, 844 s->intc.irqs[TMU3], 845 s->intc.irqs[TMU4], 846 NULL, NULL); 847 } 848 849 if (cpu->env.id & (SH_CPU_SH7751_ALL)) { 850 sh_intc_register_sources(&s->intc, 851 _INTC_ARRAY(vectors_pci), 852 _INTC_ARRAY(groups_pci)); 853 } 854 855 if (cpu->env.id & (SH_CPU_SH7750S | SH_CPU_SH7750R | SH_CPU_SH7751_ALL)) { 856 sh_intc_register_sources(&s->intc, 857 _INTC_ARRAY(vectors_irlm), 858 NULL, 0); 859 } 860 861 sh_intc_register_sources(&s->intc, 862 _INTC_ARRAY(vectors_irl), 863 _INTC_ARRAY(groups_irl)); 864 return s; 865 } 866 867 qemu_irq sh7750_irl(SH7750State *s) 868 { 869 sh_intc_toggle_source(sh_intc_source(&s->intc, IRL), 1, 0); /* enable */ 870 return qemu_allocate_irq(sh_intc_set_irl, sh_intc_source(&s->intc, IRL), 0); 871 } 872