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 "qapi/error.h" 28 #include "hw/sysbus.h" 29 #include "hw/irq.h" 30 #include "hw/sh4/sh.h" 31 #include "sysemu/sysemu.h" 32 #include "hw/qdev-properties.h" 33 #include "hw/qdev-properties-system.h" 34 #include "sh7750_regs.h" 35 #include "sh7750_regnames.h" 36 #include "hw/sh4/sh_intc.h" 37 #include "hw/timer/tmu012.h" 38 #include "exec/exec-all.h" 39 #include "trace.h" 40 41 #define NB_DEVICES 4 42 43 typedef struct SH7750State { 44 MemoryRegion iomem; 45 MemoryRegion iomem_1f0; 46 MemoryRegion iomem_ff0; 47 MemoryRegion iomem_1f8; 48 MemoryRegion iomem_ff8; 49 MemoryRegion iomem_1fc; 50 MemoryRegion iomem_ffc; 51 MemoryRegion mmct_iomem; 52 /* CPU */ 53 SuperHCPU *cpu; 54 /* Peripheral frequency in Hz */ 55 uint32_t periph_freq; 56 /* SDRAM controller */ 57 uint32_t bcr1; 58 uint16_t bcr2; 59 uint16_t bcr3; 60 uint32_t bcr4; 61 uint16_t rfcr; 62 /* PCMCIA controller */ 63 uint16_t pcr; 64 /* IO ports */ 65 uint16_t gpioic; 66 uint32_t pctra; 67 uint32_t pctrb; 68 uint16_t portdira; /* Cached */ 69 uint16_t portpullupa; /* Cached */ 70 uint16_t portdirb; /* Cached */ 71 uint16_t portpullupb; /* Cached */ 72 uint16_t pdtra; 73 uint16_t pdtrb; 74 uint16_t periph_pdtra; /* Imposed by the peripherals */ 75 uint16_t periph_portdira; /* Direction seen from the peripherals */ 76 uint16_t periph_pdtrb; /* Imposed by the peripherals */ 77 uint16_t periph_portdirb; /* Direction seen from the peripherals */ 78 sh7750_io_device *devices[NB_DEVICES]; /* External peripherals */ 79 80 /* Cache */ 81 uint32_t ccr; 82 83 struct intc_desc intc; 84 } SH7750State; 85 86 static inline int has_bcr3_and_bcr4(SH7750State *s) 87 { 88 return s->cpu->env.features & SH_FEATURE_BCR3_AND_BCR4; 89 } 90 91 /* 92 * I/O ports 93 */ 94 95 int sh7750_register_io_device(SH7750State *s, sh7750_io_device *device) 96 { 97 int i; 98 99 for (i = 0; i < NB_DEVICES; i++) { 100 if (s->devices[i] == NULL) { 101 s->devices[i] = device; 102 return 0; 103 } 104 } 105 return -1; 106 } 107 108 static uint16_t portdir(uint32_t v) 109 { 110 #define EVENPORTMASK(n) ((v & (1 << ((n) << 1))) >> (n)) 111 return 112 EVENPORTMASK(15) | EVENPORTMASK(14) | EVENPORTMASK(13) | 113 EVENPORTMASK(12) | EVENPORTMASK(11) | EVENPORTMASK(10) | 114 EVENPORTMASK(9) | EVENPORTMASK(8) | EVENPORTMASK(7) | 115 EVENPORTMASK(6) | EVENPORTMASK(5) | EVENPORTMASK(4) | 116 EVENPORTMASK(3) | EVENPORTMASK(2) | EVENPORTMASK(1) | 117 EVENPORTMASK(0); 118 } 119 120 static uint16_t portpullup(uint32_t v) 121 { 122 #define ODDPORTMASK(n) ((v & (1 << (((n) << 1) + 1))) >> (n)) 123 return 124 ODDPORTMASK(15) | ODDPORTMASK(14) | ODDPORTMASK(13) | 125 ODDPORTMASK(12) | ODDPORTMASK(11) | ODDPORTMASK(10) | 126 ODDPORTMASK(9) | ODDPORTMASK(8) | ODDPORTMASK(7) | ODDPORTMASK(6) | 127 ODDPORTMASK(5) | ODDPORTMASK(4) | ODDPORTMASK(3) | ODDPORTMASK(2) | 128 ODDPORTMASK(1) | ODDPORTMASK(0); 129 } 130 131 static uint16_t porta_lines(SH7750State *s) 132 { 133 return (s->portdira & s->pdtra) | /* CPU */ 134 (s->periph_portdira & s->periph_pdtra) | /* Peripherals */ 135 (~(s->portdira | s->periph_portdira) & s->portpullupa); /* Pullups */ 136 } 137 138 static uint16_t portb_lines(SH7750State *s) 139 { 140 return (s->portdirb & s->pdtrb) | /* CPU */ 141 (s->periph_portdirb & s->periph_pdtrb) | /* Peripherals */ 142 (~(s->portdirb | s->periph_portdirb) & s->portpullupb); /* Pullups */ 143 } 144 145 static void gen_port_interrupts(SH7750State *s) 146 { 147 /* XXXXX interrupts not generated */ 148 } 149 150 static void porta_changed(SH7750State *s, uint16_t prev) 151 { 152 uint16_t currenta, changes; 153 int i, r = 0; 154 155 currenta = porta_lines(s); 156 if (currenta == prev) { 157 return; 158 } 159 trace_sh7750_porta(prev, currenta, s->pdtra, s->pctra); 160 changes = currenta ^ prev; 161 162 for (i = 0; i < NB_DEVICES; i++) { 163 if (s->devices[i] && (s->devices[i]->portamask_trigger & changes)) { 164 r |= s->devices[i]->port_change_cb(currenta, portb_lines(s), 165 &s->periph_pdtra, 166 &s->periph_portdira, 167 &s->periph_pdtrb, 168 &s->periph_portdirb); 169 } 170 } 171 172 if (r) { 173 gen_port_interrupts(s); 174 } 175 } 176 177 static void portb_changed(SH7750State *s, uint16_t prev) 178 { 179 uint16_t currentb, changes; 180 int i, r = 0; 181 182 currentb = portb_lines(s); 183 if (currentb == prev) { 184 return; 185 } 186 trace_sh7750_portb(prev, currentb, s->pdtrb, s->pctrb); 187 changes = currentb ^ prev; 188 189 for (i = 0; i < NB_DEVICES; i++) { 190 if (s->devices[i] && (s->devices[i]->portbmask_trigger & changes)) { 191 r |= s->devices[i]->port_change_cb(portb_lines(s), currentb, 192 &s->periph_pdtra, 193 &s->periph_portdira, 194 &s->periph_pdtrb, 195 &s->periph_portdirb); 196 } 197 } 198 199 if (r) { 200 gen_port_interrupts(s); 201 } 202 } 203 204 /* 205 * Memory 206 */ 207 208 static void error_access(const char *kind, hwaddr addr) 209 { 210 fprintf(stderr, "%s to %s (0x" HWADDR_FMT_plx ") not supported\n", 211 kind, regname(addr), addr); 212 } 213 214 static void ignore_access(const char *kind, hwaddr addr) 215 { 216 fprintf(stderr, "%s to %s (0x" HWADDR_FMT_plx ") ignored\n", 217 kind, regname(addr), addr); 218 } 219 220 static uint32_t sh7750_mem_readb(void *opaque, hwaddr addr) 221 { 222 switch (addr) { 223 default: 224 error_access("byte read", addr); 225 abort(); 226 } 227 } 228 229 static uint32_t sh7750_mem_readw(void *opaque, hwaddr addr) 230 { 231 SH7750State *s = opaque; 232 233 switch (addr) { 234 case SH7750_BCR2_A7: 235 return s->bcr2; 236 case SH7750_BCR3_A7: 237 if (!has_bcr3_and_bcr4(s)) { 238 error_access("word read", addr); 239 } 240 return s->bcr3; 241 case SH7750_FRQCR_A7: 242 return 0; 243 case SH7750_PCR_A7: 244 return s->pcr; 245 case SH7750_RFCR_A7: 246 fprintf(stderr, 247 "Read access to refresh count register, incrementing\n"); 248 return s->rfcr++; 249 case SH7750_PDTRA_A7: 250 return porta_lines(s); 251 case SH7750_PDTRB_A7: 252 return portb_lines(s); 253 case SH7750_RTCOR_A7: 254 case SH7750_RTCNT_A7: 255 case SH7750_RTCSR_A7: 256 ignore_access("word read", addr); 257 return 0; 258 default: 259 error_access("word read", addr); 260 abort(); 261 } 262 } 263 264 static uint32_t sh7750_mem_readl(void *opaque, hwaddr addr) 265 { 266 SH7750State *s = opaque; 267 SuperHCPUClass *scc; 268 269 switch (addr) { 270 case SH7750_BCR1_A7: 271 return s->bcr1; 272 case SH7750_BCR4_A7: 273 if (!has_bcr3_and_bcr4(s)) { 274 error_access("long read", addr); 275 } 276 return s->bcr4; 277 case SH7750_WCR1_A7: 278 case SH7750_WCR2_A7: 279 case SH7750_WCR3_A7: 280 case SH7750_MCR_A7: 281 ignore_access("long read", addr); 282 return 0; 283 case SH7750_MMUCR_A7: 284 return s->cpu->env.mmucr; 285 case SH7750_PTEH_A7: 286 return s->cpu->env.pteh; 287 case SH7750_PTEL_A7: 288 return s->cpu->env.ptel; 289 case SH7750_TTB_A7: 290 return s->cpu->env.ttb; 291 case SH7750_TEA_A7: 292 return s->cpu->env.tea; 293 case SH7750_TRA_A7: 294 return s->cpu->env.tra; 295 case SH7750_EXPEVT_A7: 296 return s->cpu->env.expevt; 297 case SH7750_INTEVT_A7: 298 return s->cpu->env.intevt; 299 case SH7750_CCR_A7: 300 return s->ccr; 301 case 0x1f000030: /* Processor version */ 302 scc = SUPERH_CPU_GET_CLASS(s->cpu); 303 return scc->pvr; 304 case 0x1f000040: /* Cache version */ 305 scc = SUPERH_CPU_GET_CLASS(s->cpu); 306 return scc->cvr; 307 case 0x1f000044: /* Processor revision */ 308 scc = SUPERH_CPU_GET_CLASS(s->cpu); 309 return scc->prr; 310 default: 311 error_access("long read", addr); 312 abort(); 313 } 314 } 315 316 #define is_in_sdrmx(a, x) (a >= SH7750_SDMR ## x ## _A7 \ 317 && a <= (SH7750_SDMR ## x ## _A7 + SH7750_SDMR ## x ## _REGNB)) 318 static void sh7750_mem_writeb(void *opaque, hwaddr addr, 319 uint32_t mem_value) 320 { 321 322 if (is_in_sdrmx(addr, 2) || is_in_sdrmx(addr, 3)) { 323 ignore_access("byte write", addr); 324 return; 325 } 326 327 error_access("byte write", addr); 328 abort(); 329 } 330 331 static void sh7750_mem_writew(void *opaque, hwaddr addr, 332 uint32_t mem_value) 333 { 334 SH7750State *s = opaque; 335 uint16_t temp; 336 337 switch (addr) { 338 /* SDRAM controller */ 339 case SH7750_BCR2_A7: 340 s->bcr2 = mem_value; 341 return; 342 case SH7750_BCR3_A7: 343 if (!has_bcr3_and_bcr4(s)) { 344 error_access("word write", addr); 345 } 346 s->bcr3 = mem_value; 347 return; 348 case SH7750_PCR_A7: 349 s->pcr = mem_value; 350 return; 351 case SH7750_RTCNT_A7: 352 case SH7750_RTCOR_A7: 353 case SH7750_RTCSR_A7: 354 ignore_access("word write", addr); 355 return; 356 /* IO ports */ 357 case SH7750_PDTRA_A7: 358 temp = porta_lines(s); 359 s->pdtra = mem_value; 360 porta_changed(s, temp); 361 return; 362 case SH7750_PDTRB_A7: 363 temp = portb_lines(s); 364 s->pdtrb = mem_value; 365 portb_changed(s, temp); 366 return; 367 case SH7750_RFCR_A7: 368 fprintf(stderr, "Write access to refresh count register\n"); 369 s->rfcr = mem_value; 370 return; 371 case SH7750_GPIOIC_A7: 372 s->gpioic = mem_value; 373 if (mem_value != 0) { 374 fprintf(stderr, "I/O interrupts not implemented\n"); 375 abort(); 376 } 377 return; 378 default: 379 error_access("word write", addr); 380 abort(); 381 } 382 } 383 384 static void sh7750_mem_writel(void *opaque, hwaddr addr, 385 uint32_t mem_value) 386 { 387 SH7750State *s = opaque; 388 uint16_t temp; 389 390 switch (addr) { 391 /* SDRAM controller */ 392 case SH7750_BCR1_A7: 393 s->bcr1 = mem_value; 394 return; 395 case SH7750_BCR4_A7: 396 if (!has_bcr3_and_bcr4(s)) { 397 error_access("long write", addr); 398 } 399 s->bcr4 = mem_value; 400 return; 401 case SH7750_WCR1_A7: 402 case SH7750_WCR2_A7: 403 case SH7750_WCR3_A7: 404 case SH7750_MCR_A7: 405 ignore_access("long write", addr); 406 return; 407 /* IO ports */ 408 case SH7750_PCTRA_A7: 409 temp = porta_lines(s); 410 s->pctra = mem_value; 411 s->portdira = portdir(mem_value); 412 s->portpullupa = portpullup(mem_value); 413 porta_changed(s, temp); 414 return; 415 case SH7750_PCTRB_A7: 416 temp = portb_lines(s); 417 s->pctrb = mem_value; 418 s->portdirb = portdir(mem_value); 419 s->portpullupb = portpullup(mem_value); 420 portb_changed(s, temp); 421 return; 422 case SH7750_MMUCR_A7: 423 if (mem_value & MMUCR_TI) { 424 cpu_sh4_invalidate_tlb(&s->cpu->env); 425 } 426 s->cpu->env.mmucr = mem_value & ~MMUCR_TI; 427 return; 428 case SH7750_PTEH_A7: 429 /* If asid changes, clear all registered tlb entries. */ 430 if ((s->cpu->env.pteh & 0xff) != (mem_value & 0xff)) { 431 tlb_flush(CPU(s->cpu)); 432 } 433 s->cpu->env.pteh = mem_value; 434 return; 435 case SH7750_PTEL_A7: 436 s->cpu->env.ptel = mem_value; 437 return; 438 case SH7750_PTEA_A7: 439 s->cpu->env.ptea = mem_value & 0x0000000f; 440 return; 441 case SH7750_TTB_A7: 442 s->cpu->env.ttb = mem_value; 443 return; 444 case SH7750_TEA_A7: 445 s->cpu->env.tea = mem_value; 446 return; 447 case SH7750_TRA_A7: 448 s->cpu->env.tra = mem_value & 0x000007ff; 449 return; 450 case SH7750_EXPEVT_A7: 451 s->cpu->env.expevt = mem_value & 0x000007ff; 452 return; 453 case SH7750_INTEVT_A7: 454 s->cpu->env.intevt = mem_value & 0x000007ff; 455 return; 456 case SH7750_CCR_A7: 457 s->ccr = mem_value; 458 return; 459 default: 460 error_access("long write", addr); 461 abort(); 462 } 463 } 464 465 static uint64_t sh7750_mem_readfn(void *opaque, hwaddr addr, unsigned size) 466 { 467 switch (size) { 468 case 1: 469 return sh7750_mem_readb(opaque, addr); 470 case 2: 471 return sh7750_mem_readw(opaque, addr); 472 case 4: 473 return sh7750_mem_readl(opaque, addr); 474 default: 475 g_assert_not_reached(); 476 } 477 } 478 479 static void sh7750_mem_writefn(void *opaque, hwaddr addr, 480 uint64_t value, unsigned size) 481 { 482 switch (size) { 483 case 1: 484 sh7750_mem_writeb(opaque, addr, value); 485 break; 486 case 2: 487 sh7750_mem_writew(opaque, addr, value); 488 break; 489 case 4: 490 sh7750_mem_writel(opaque, addr, value); 491 break; 492 default: 493 g_assert_not_reached(); 494 } 495 } 496 497 static const MemoryRegionOps sh7750_mem_ops = { 498 .read = sh7750_mem_readfn, 499 .write = sh7750_mem_writefn, 500 .valid.min_access_size = 1, 501 .valid.max_access_size = 4, 502 .endianness = DEVICE_NATIVE_ENDIAN, 503 }; 504 505 /* 506 * sh775x interrupt controller tables for sh_intc.c 507 * stolen from linux/arch/sh/kernel/cpu/sh4/setup-sh7750.c 508 */ 509 510 enum { 511 UNUSED = 0, 512 513 /* interrupt sources */ 514 IRL_0, IRL_1, IRL_2, IRL_3, IRL_4, IRL_5, IRL_6, IRL_7, 515 IRL_8, IRL_9, IRL_A, IRL_B, IRL_C, IRL_D, IRL_E, 516 IRL0, IRL1, IRL2, IRL3, 517 HUDI, GPIOI, 518 DMAC_DMTE0, DMAC_DMTE1, DMAC_DMTE2, DMAC_DMTE3, 519 DMAC_DMTE4, DMAC_DMTE5, DMAC_DMTE6, DMAC_DMTE7, 520 DMAC_DMAE, 521 PCIC0_PCISERR, PCIC1_PCIERR, PCIC1_PCIPWDWN, PCIC1_PCIPWON, 522 PCIC1_PCIDMA0, PCIC1_PCIDMA1, PCIC1_PCIDMA2, PCIC1_PCIDMA3, 523 TMU3, TMU4, TMU0, TMU1, TMU2_TUNI, TMU2_TICPI, 524 RTC_ATI, RTC_PRI, RTC_CUI, 525 SCI1_ERI, SCI1_RXI, SCI1_TXI, SCI1_TEI, 526 SCIF_ERI, SCIF_RXI, SCIF_BRI, SCIF_TXI, 527 WDT, 528 REF_RCMI, REF_ROVI, 529 530 /* interrupt groups */ 531 DMAC, PCIC1, TMU2, RTC, SCI1, SCIF, REF, 532 /* irl bundle */ 533 IRL, 534 535 NR_SOURCES, 536 }; 537 538 static struct intc_vect vectors[] = { 539 INTC_VECT(HUDI, 0x600), INTC_VECT(GPIOI, 0x620), 540 INTC_VECT(TMU0, 0x400), INTC_VECT(TMU1, 0x420), 541 INTC_VECT(TMU2_TUNI, 0x440), INTC_VECT(TMU2_TICPI, 0x460), 542 INTC_VECT(RTC_ATI, 0x480), INTC_VECT(RTC_PRI, 0x4a0), 543 INTC_VECT(RTC_CUI, 0x4c0), 544 INTC_VECT(SCI1_ERI, 0x4e0), INTC_VECT(SCI1_RXI, 0x500), 545 INTC_VECT(SCI1_TXI, 0x520), INTC_VECT(SCI1_TEI, 0x540), 546 INTC_VECT(SCIF_ERI, 0x700), INTC_VECT(SCIF_RXI, 0x720), 547 INTC_VECT(SCIF_BRI, 0x740), INTC_VECT(SCIF_TXI, 0x760), 548 INTC_VECT(WDT, 0x560), 549 INTC_VECT(REF_RCMI, 0x580), INTC_VECT(REF_ROVI, 0x5a0), 550 }; 551 552 static struct intc_group groups[] = { 553 INTC_GROUP(TMU2, TMU2_TUNI, TMU2_TICPI), 554 INTC_GROUP(RTC, RTC_ATI, RTC_PRI, RTC_CUI), 555 INTC_GROUP(SCI1, SCI1_ERI, SCI1_RXI, SCI1_TXI, SCI1_TEI), 556 INTC_GROUP(SCIF, SCIF_ERI, SCIF_RXI, SCIF_BRI, SCIF_TXI), 557 INTC_GROUP(REF, REF_RCMI, REF_ROVI), 558 }; 559 560 static struct intc_prio_reg prio_registers[] = { 561 { 0xffd00004, 0, 16, 4, /* IPRA */ { TMU0, TMU1, TMU2, RTC } }, 562 { 0xffd00008, 0, 16, 4, /* IPRB */ { WDT, REF, SCI1, 0 } }, 563 { 0xffd0000c, 0, 16, 4, /* IPRC */ { GPIOI, DMAC, SCIF, HUDI } }, 564 { 0xffd00010, 0, 16, 4, /* IPRD */ { IRL0, IRL1, IRL2, IRL3 } }, 565 { 0xfe080000, 0, 32, 4, /* INTPRI00 */ { 0, 0, 0, 0, TMU4, TMU3, 566 PCIC1, PCIC0_PCISERR } }, 567 }; 568 569 /* SH7750, SH7750S, SH7751 and SH7091 all have 4-channel DMA controllers */ 570 571 static struct intc_vect vectors_dma4[] = { 572 INTC_VECT(DMAC_DMTE0, 0x640), INTC_VECT(DMAC_DMTE1, 0x660), 573 INTC_VECT(DMAC_DMTE2, 0x680), INTC_VECT(DMAC_DMTE3, 0x6a0), 574 INTC_VECT(DMAC_DMAE, 0x6c0), 575 }; 576 577 static struct intc_group groups_dma4[] = { 578 INTC_GROUP(DMAC, DMAC_DMTE0, DMAC_DMTE1, DMAC_DMTE2, 579 DMAC_DMTE3, DMAC_DMAE), 580 }; 581 582 /* SH7750R and SH7751R both have 8-channel DMA controllers */ 583 584 static struct intc_vect vectors_dma8[] = { 585 INTC_VECT(DMAC_DMTE0, 0x640), INTC_VECT(DMAC_DMTE1, 0x660), 586 INTC_VECT(DMAC_DMTE2, 0x680), INTC_VECT(DMAC_DMTE3, 0x6a0), 587 INTC_VECT(DMAC_DMTE4, 0x780), INTC_VECT(DMAC_DMTE5, 0x7a0), 588 INTC_VECT(DMAC_DMTE6, 0x7c0), INTC_VECT(DMAC_DMTE7, 0x7e0), 589 INTC_VECT(DMAC_DMAE, 0x6c0), 590 }; 591 592 static struct intc_group groups_dma8[] = { 593 INTC_GROUP(DMAC, DMAC_DMTE0, DMAC_DMTE1, DMAC_DMTE2, 594 DMAC_DMTE3, DMAC_DMTE4, DMAC_DMTE5, 595 DMAC_DMTE6, DMAC_DMTE7, DMAC_DMAE), 596 }; 597 598 /* SH7750R, SH7751 and SH7751R all have two extra timer channels */ 599 600 static struct intc_vect vectors_tmu34[] = { 601 INTC_VECT(TMU3, 0xb00), INTC_VECT(TMU4, 0xb80), 602 }; 603 604 static struct intc_mask_reg mask_registers[] = { 605 { 0xfe080040, 0xfe080060, 32, /* INTMSK00 / INTMSKCLR00 */ 606 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 607 0, 0, 0, 0, 0, 0, TMU4, TMU3, 608 PCIC1_PCIERR, PCIC1_PCIPWDWN, PCIC1_PCIPWON, 609 PCIC1_PCIDMA0, PCIC1_PCIDMA1, PCIC1_PCIDMA2, 610 PCIC1_PCIDMA3, PCIC0_PCISERR } }, 611 }; 612 613 /* SH7750S, SH7750R, SH7751 and SH7751R all have IRLM priority registers */ 614 615 static struct intc_vect vectors_irlm[] = { 616 INTC_VECT(IRL0, 0x240), INTC_VECT(IRL1, 0x2a0), 617 INTC_VECT(IRL2, 0x300), INTC_VECT(IRL3, 0x360), 618 }; 619 620 /* SH7751 and SH7751R both have PCI */ 621 622 static struct intc_vect vectors_pci[] = { 623 INTC_VECT(PCIC0_PCISERR, 0xa00), INTC_VECT(PCIC1_PCIERR, 0xae0), 624 INTC_VECT(PCIC1_PCIPWDWN, 0xac0), INTC_VECT(PCIC1_PCIPWON, 0xaa0), 625 INTC_VECT(PCIC1_PCIDMA0, 0xa80), INTC_VECT(PCIC1_PCIDMA1, 0xa60), 626 INTC_VECT(PCIC1_PCIDMA2, 0xa40), INTC_VECT(PCIC1_PCIDMA3, 0xa20), 627 }; 628 629 static struct intc_group groups_pci[] = { 630 INTC_GROUP(PCIC1, PCIC1_PCIERR, PCIC1_PCIPWDWN, PCIC1_PCIPWON, 631 PCIC1_PCIDMA0, PCIC1_PCIDMA1, PCIC1_PCIDMA2, PCIC1_PCIDMA3), 632 }; 633 634 static struct intc_vect vectors_irl[] = { 635 INTC_VECT(IRL_0, 0x200), 636 INTC_VECT(IRL_1, 0x220), 637 INTC_VECT(IRL_2, 0x240), 638 INTC_VECT(IRL_3, 0x260), 639 INTC_VECT(IRL_4, 0x280), 640 INTC_VECT(IRL_5, 0x2a0), 641 INTC_VECT(IRL_6, 0x2c0), 642 INTC_VECT(IRL_7, 0x2e0), 643 INTC_VECT(IRL_8, 0x300), 644 INTC_VECT(IRL_9, 0x320), 645 INTC_VECT(IRL_A, 0x340), 646 INTC_VECT(IRL_B, 0x360), 647 INTC_VECT(IRL_C, 0x380), 648 INTC_VECT(IRL_D, 0x3a0), 649 INTC_VECT(IRL_E, 0x3c0), 650 }; 651 652 static struct intc_group groups_irl[] = { 653 INTC_GROUP(IRL, IRL_0, IRL_1, IRL_2, IRL_3, IRL_4, IRL_5, IRL_6, 654 IRL_7, IRL_8, IRL_9, IRL_A, IRL_B, IRL_C, IRL_D, IRL_E), 655 }; 656 657 /* 658 * Memory mapped cache and TLB 659 */ 660 661 #define MM_REGION_MASK 0x07000000 662 #define MM_ICACHE_ADDR (0) 663 #define MM_ICACHE_DATA (1) 664 #define MM_ITLB_ADDR (2) 665 #define MM_ITLB_DATA (3) 666 #define MM_OCACHE_ADDR (4) 667 #define MM_OCACHE_DATA (5) 668 #define MM_UTLB_ADDR (6) 669 #define MM_UTLB_DATA (7) 670 #define MM_REGION_TYPE(addr) ((addr & MM_REGION_MASK) >> 24) 671 672 static uint64_t invalid_read(void *opaque, hwaddr addr) 673 { 674 abort(); 675 676 return 0; 677 } 678 679 static uint64_t sh7750_mmct_read(void *opaque, hwaddr addr, 680 unsigned size) 681 { 682 SH7750State *s = opaque; 683 uint32_t ret = 0; 684 685 if (size != 4) { 686 return invalid_read(opaque, addr); 687 } 688 689 switch (MM_REGION_TYPE(addr)) { 690 case MM_ICACHE_ADDR: 691 case MM_ICACHE_DATA: 692 /* do nothing */ 693 break; 694 case MM_ITLB_ADDR: 695 ret = cpu_sh4_read_mmaped_itlb_addr(&s->cpu->env, addr); 696 break; 697 case MM_ITLB_DATA: 698 ret = cpu_sh4_read_mmaped_itlb_data(&s->cpu->env, addr); 699 break; 700 case MM_OCACHE_ADDR: 701 case MM_OCACHE_DATA: 702 /* do nothing */ 703 break; 704 case MM_UTLB_ADDR: 705 ret = cpu_sh4_read_mmaped_utlb_addr(&s->cpu->env, addr); 706 break; 707 case MM_UTLB_DATA: 708 ret = cpu_sh4_read_mmaped_utlb_data(&s->cpu->env, addr); 709 break; 710 default: 711 abort(); 712 } 713 714 return ret; 715 } 716 717 static void invalid_write(void *opaque, hwaddr addr, 718 uint64_t mem_value) 719 { 720 abort(); 721 } 722 723 static void sh7750_mmct_write(void *opaque, hwaddr addr, 724 uint64_t mem_value, unsigned size) 725 { 726 SH7750State *s = opaque; 727 728 if (size != 4) { 729 invalid_write(opaque, addr, mem_value); 730 } 731 732 switch (MM_REGION_TYPE(addr)) { 733 case MM_ICACHE_ADDR: 734 case MM_ICACHE_DATA: 735 /* do nothing */ 736 break; 737 case MM_ITLB_ADDR: 738 cpu_sh4_write_mmaped_itlb_addr(&s->cpu->env, addr, mem_value); 739 break; 740 case MM_ITLB_DATA: 741 cpu_sh4_write_mmaped_itlb_data(&s->cpu->env, addr, mem_value); 742 abort(); 743 break; 744 case MM_OCACHE_ADDR: 745 case MM_OCACHE_DATA: 746 /* do nothing */ 747 break; 748 case MM_UTLB_ADDR: 749 cpu_sh4_write_mmaped_utlb_addr(&s->cpu->env, addr, mem_value); 750 break; 751 case MM_UTLB_DATA: 752 cpu_sh4_write_mmaped_utlb_data(&s->cpu->env, addr, mem_value); 753 break; 754 default: 755 abort(); 756 break; 757 } 758 } 759 760 static const MemoryRegionOps sh7750_mmct_ops = { 761 .read = sh7750_mmct_read, 762 .write = sh7750_mmct_write, 763 .endianness = DEVICE_NATIVE_ENDIAN, 764 }; 765 766 SH7750State *sh7750_init(SuperHCPU *cpu, MemoryRegion *sysmem) 767 { 768 SH7750State *s; 769 DeviceState *dev; 770 SysBusDevice *sb; 771 MemoryRegion *mr, *alias; 772 773 s = g_new0(SH7750State, 1); 774 s->cpu = cpu; 775 s->periph_freq = 60000000; /* 60MHz */ 776 memory_region_init_io(&s->iomem, NULL, &sh7750_mem_ops, s, 777 "memory", 0x1fc01000); 778 779 memory_region_init_alias(&s->iomem_1f0, NULL, "memory-1f0", 780 &s->iomem, 0x1f000000, 0x1000); 781 memory_region_add_subregion(sysmem, 0x1f000000, &s->iomem_1f0); 782 783 memory_region_init_alias(&s->iomem_ff0, NULL, "memory-ff0", 784 &s->iomem, 0x1f000000, 0x1000); 785 memory_region_add_subregion(sysmem, 0xff000000, &s->iomem_ff0); 786 787 memory_region_init_alias(&s->iomem_1f8, NULL, "memory-1f8", 788 &s->iomem, 0x1f800000, 0x1000); 789 memory_region_add_subregion(sysmem, 0x1f800000, &s->iomem_1f8); 790 791 memory_region_init_alias(&s->iomem_ff8, NULL, "memory-ff8", 792 &s->iomem, 0x1f800000, 0x1000); 793 memory_region_add_subregion(sysmem, 0xff800000, &s->iomem_ff8); 794 795 memory_region_init_alias(&s->iomem_1fc, NULL, "memory-1fc", 796 &s->iomem, 0x1fc00000, 0x1000); 797 memory_region_add_subregion(sysmem, 0x1fc00000, &s->iomem_1fc); 798 799 memory_region_init_alias(&s->iomem_ffc, NULL, "memory-ffc", 800 &s->iomem, 0x1fc00000, 0x1000); 801 memory_region_add_subregion(sysmem, 0xffc00000, &s->iomem_ffc); 802 803 memory_region_init_io(&s->mmct_iomem, NULL, &sh7750_mmct_ops, s, 804 "cache-and-tlb", 0x08000000); 805 memory_region_add_subregion(sysmem, 0xf0000000, &s->mmct_iomem); 806 807 sh_intc_init(sysmem, &s->intc, NR_SOURCES, 808 _INTC_ARRAY(mask_registers), 809 _INTC_ARRAY(prio_registers)); 810 811 sh_intc_register_sources(&s->intc, 812 _INTC_ARRAY(vectors), 813 _INTC_ARRAY(groups)); 814 815 cpu->env.intc_handle = &s->intc; 816 817 /* SCI */ 818 dev = qdev_new(TYPE_SH_SERIAL); 819 dev->id = g_strdup("sci"); 820 qdev_prop_set_chr(dev, "chardev", serial_hd(0)); 821 sb = SYS_BUS_DEVICE(dev); 822 sysbus_realize_and_unref(sb, &error_fatal); 823 sysbus_mmio_map(sb, 0, 0xffe00000); 824 alias = g_malloc(sizeof(*alias)); 825 mr = sysbus_mmio_get_region(sb, 0); 826 memory_region_init_alias(alias, OBJECT(dev), "sci-a7", mr, 827 0, memory_region_size(mr)); 828 memory_region_add_subregion(sysmem, A7ADDR(0xffe00000), alias); 829 qdev_connect_gpio_out_named(dev, "eri", 0, s->intc.irqs[SCI1_ERI]); 830 qdev_connect_gpio_out_named(dev, "rxi", 0, s->intc.irqs[SCI1_RXI]); 831 qdev_connect_gpio_out_named(dev, "txi", 0, s->intc.irqs[SCI1_TXI]); 832 qdev_connect_gpio_out_named(dev, "tei", 0, s->intc.irqs[SCI1_TEI]); 833 834 /* SCIF */ 835 dev = qdev_new(TYPE_SH_SERIAL); 836 dev->id = g_strdup("scif"); 837 qdev_prop_set_chr(dev, "chardev", serial_hd(1)); 838 qdev_prop_set_uint8(dev, "features", SH_SERIAL_FEAT_SCIF); 839 sb = SYS_BUS_DEVICE(dev); 840 sysbus_realize_and_unref(sb, &error_fatal); 841 sysbus_mmio_map(sb, 0, 0xffe80000); 842 alias = g_malloc(sizeof(*alias)); 843 mr = sysbus_mmio_get_region(sb, 0); 844 memory_region_init_alias(alias, OBJECT(dev), "scif-a7", mr, 845 0, memory_region_size(mr)); 846 memory_region_add_subregion(sysmem, A7ADDR(0xffe80000), alias); 847 qdev_connect_gpio_out_named(dev, "eri", 0, s->intc.irqs[SCIF_ERI]); 848 qdev_connect_gpio_out_named(dev, "rxi", 0, s->intc.irqs[SCIF_RXI]); 849 qdev_connect_gpio_out_named(dev, "txi", 0, s->intc.irqs[SCIF_TXI]); 850 qdev_connect_gpio_out_named(dev, "bri", 0, s->intc.irqs[SCIF_BRI]); 851 852 tmu012_init(sysmem, 0x1fd80000, 853 TMU012_FEAT_TOCR | TMU012_FEAT_3CHAN | TMU012_FEAT_EXTCLK, 854 s->periph_freq, 855 s->intc.irqs[TMU0], 856 s->intc.irqs[TMU1], 857 s->intc.irqs[TMU2_TUNI], 858 s->intc.irqs[TMU2_TICPI]); 859 860 if (cpu->env.id & (SH_CPU_SH7750 | SH_CPU_SH7750S | SH_CPU_SH7751)) { 861 sh_intc_register_sources(&s->intc, 862 _INTC_ARRAY(vectors_dma4), 863 _INTC_ARRAY(groups_dma4)); 864 } 865 866 if (cpu->env.id & (SH_CPU_SH7750R | SH_CPU_SH7751R)) { 867 sh_intc_register_sources(&s->intc, 868 _INTC_ARRAY(vectors_dma8), 869 _INTC_ARRAY(groups_dma8)); 870 } 871 872 if (cpu->env.id & (SH_CPU_SH7750R | SH_CPU_SH7751 | SH_CPU_SH7751R)) { 873 sh_intc_register_sources(&s->intc, 874 _INTC_ARRAY(vectors_tmu34), 875 NULL, 0); 876 tmu012_init(sysmem, 0x1e100000, 0, s->periph_freq, 877 s->intc.irqs[TMU3], 878 s->intc.irqs[TMU4], 879 NULL, NULL); 880 } 881 882 if (cpu->env.id & (SH_CPU_SH7751_ALL)) { 883 sh_intc_register_sources(&s->intc, 884 _INTC_ARRAY(vectors_pci), 885 _INTC_ARRAY(groups_pci)); 886 } 887 888 if (cpu->env.id & (SH_CPU_SH7750S | SH_CPU_SH7750R | SH_CPU_SH7751_ALL)) { 889 sh_intc_register_sources(&s->intc, 890 _INTC_ARRAY(vectors_irlm), 891 NULL, 0); 892 } 893 894 sh_intc_register_sources(&s->intc, 895 _INTC_ARRAY(vectors_irl), 896 _INTC_ARRAY(groups_irl)); 897 return s; 898 } 899 900 qemu_irq sh7750_irl(SH7750State *s) 901 { 902 sh_intc_toggle_source(&s->intc.sources[IRL], 1, 0); /* enable */ 903 return qemu_allocate_irq(sh_intc_set_irl, &s->intc.sources[IRL], 0); 904 } 905