1 /* 2 * Intel XScale PXA255/270 processor support. 3 * 4 * Copyright (c) 2006 Openedhand Ltd. 5 * Written by Andrzej Zaborowski <balrog@zabor.org> 6 * 7 * This code is licensed under the GPL. 8 */ 9 10 #include "hw/sysbus.h" 11 #include "hw/arm/pxa.h" 12 #include "sysemu/sysemu.h" 13 #include "hw/char/serial.h" 14 #include "hw/i2c/i2c.h" 15 #include "hw/ssi.h" 16 #include "sysemu/char.h" 17 #include "sysemu/block-backend.h" 18 #include "sysemu/blockdev.h" 19 20 static struct { 21 hwaddr io_base; 22 int irqn; 23 } pxa255_serial[] = { 24 { 0x40100000, PXA2XX_PIC_FFUART }, 25 { 0x40200000, PXA2XX_PIC_BTUART }, 26 { 0x40700000, PXA2XX_PIC_STUART }, 27 { 0x41600000, PXA25X_PIC_HWUART }, 28 { 0, 0 } 29 }, pxa270_serial[] = { 30 { 0x40100000, PXA2XX_PIC_FFUART }, 31 { 0x40200000, PXA2XX_PIC_BTUART }, 32 { 0x40700000, PXA2XX_PIC_STUART }, 33 { 0, 0 } 34 }; 35 36 typedef struct PXASSPDef { 37 hwaddr io_base; 38 int irqn; 39 } PXASSPDef; 40 41 #if 0 42 static PXASSPDef pxa250_ssp[] = { 43 { 0x41000000, PXA2XX_PIC_SSP }, 44 { 0, 0 } 45 }; 46 #endif 47 48 static PXASSPDef pxa255_ssp[] = { 49 { 0x41000000, PXA2XX_PIC_SSP }, 50 { 0x41400000, PXA25X_PIC_NSSP }, 51 { 0, 0 } 52 }; 53 54 #if 0 55 static PXASSPDef pxa26x_ssp[] = { 56 { 0x41000000, PXA2XX_PIC_SSP }, 57 { 0x41400000, PXA25X_PIC_NSSP }, 58 { 0x41500000, PXA26X_PIC_ASSP }, 59 { 0, 0 } 60 }; 61 #endif 62 63 static PXASSPDef pxa27x_ssp[] = { 64 { 0x41000000, PXA2XX_PIC_SSP }, 65 { 0x41700000, PXA27X_PIC_SSP2 }, 66 { 0x41900000, PXA2XX_PIC_SSP3 }, 67 { 0, 0 } 68 }; 69 70 #define PMCR 0x00 /* Power Manager Control register */ 71 #define PSSR 0x04 /* Power Manager Sleep Status register */ 72 #define PSPR 0x08 /* Power Manager Scratch-Pad register */ 73 #define PWER 0x0c /* Power Manager Wake-Up Enable register */ 74 #define PRER 0x10 /* Power Manager Rising-Edge Detect Enable register */ 75 #define PFER 0x14 /* Power Manager Falling-Edge Detect Enable register */ 76 #define PEDR 0x18 /* Power Manager Edge-Detect Status register */ 77 #define PCFR 0x1c /* Power Manager General Configuration register */ 78 #define PGSR0 0x20 /* Power Manager GPIO Sleep-State register 0 */ 79 #define PGSR1 0x24 /* Power Manager GPIO Sleep-State register 1 */ 80 #define PGSR2 0x28 /* Power Manager GPIO Sleep-State register 2 */ 81 #define PGSR3 0x2c /* Power Manager GPIO Sleep-State register 3 */ 82 #define RCSR 0x30 /* Reset Controller Status register */ 83 #define PSLR 0x34 /* Power Manager Sleep Configuration register */ 84 #define PTSR 0x38 /* Power Manager Standby Configuration register */ 85 #define PVCR 0x40 /* Power Manager Voltage Change Control register */ 86 #define PUCR 0x4c /* Power Manager USIM Card Control/Status register */ 87 #define PKWR 0x50 /* Power Manager Keyboard Wake-Up Enable register */ 88 #define PKSR 0x54 /* Power Manager Keyboard Level-Detect Status */ 89 #define PCMD0 0x80 /* Power Manager I2C Command register File 0 */ 90 #define PCMD31 0xfc /* Power Manager I2C Command register File 31 */ 91 92 static uint64_t pxa2xx_pm_read(void *opaque, hwaddr addr, 93 unsigned size) 94 { 95 PXA2xxState *s = (PXA2xxState *) opaque; 96 97 switch (addr) { 98 case PMCR ... PCMD31: 99 if (addr & 3) 100 goto fail; 101 102 return s->pm_regs[addr >> 2]; 103 default: 104 fail: 105 printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr); 106 break; 107 } 108 return 0; 109 } 110 111 static void pxa2xx_pm_write(void *opaque, hwaddr addr, 112 uint64_t value, unsigned size) 113 { 114 PXA2xxState *s = (PXA2xxState *) opaque; 115 116 switch (addr) { 117 case PMCR: 118 /* Clear the write-one-to-clear bits... */ 119 s->pm_regs[addr >> 2] &= ~(value & 0x2a); 120 /* ...and set the plain r/w bits */ 121 s->pm_regs[addr >> 2] &= ~0x15; 122 s->pm_regs[addr >> 2] |= value & 0x15; 123 break; 124 125 case PSSR: /* Read-clean registers */ 126 case RCSR: 127 case PKSR: 128 s->pm_regs[addr >> 2] &= ~value; 129 break; 130 131 default: /* Read-write registers */ 132 if (!(addr & 3)) { 133 s->pm_regs[addr >> 2] = value; 134 break; 135 } 136 137 printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr); 138 break; 139 } 140 } 141 142 static const MemoryRegionOps pxa2xx_pm_ops = { 143 .read = pxa2xx_pm_read, 144 .write = pxa2xx_pm_write, 145 .endianness = DEVICE_NATIVE_ENDIAN, 146 }; 147 148 static const VMStateDescription vmstate_pxa2xx_pm = { 149 .name = "pxa2xx_pm", 150 .version_id = 0, 151 .minimum_version_id = 0, 152 .fields = (VMStateField[]) { 153 VMSTATE_UINT32_ARRAY(pm_regs, PXA2xxState, 0x40), 154 VMSTATE_END_OF_LIST() 155 } 156 }; 157 158 #define CCCR 0x00 /* Core Clock Configuration register */ 159 #define CKEN 0x04 /* Clock Enable register */ 160 #define OSCC 0x08 /* Oscillator Configuration register */ 161 #define CCSR 0x0c /* Core Clock Status register */ 162 163 static uint64_t pxa2xx_cm_read(void *opaque, hwaddr addr, 164 unsigned size) 165 { 166 PXA2xxState *s = (PXA2xxState *) opaque; 167 168 switch (addr) { 169 case CCCR: 170 case CKEN: 171 case OSCC: 172 return s->cm_regs[addr >> 2]; 173 174 case CCSR: 175 return s->cm_regs[CCCR >> 2] | (3 << 28); 176 177 default: 178 printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr); 179 break; 180 } 181 return 0; 182 } 183 184 static void pxa2xx_cm_write(void *opaque, hwaddr addr, 185 uint64_t value, unsigned size) 186 { 187 PXA2xxState *s = (PXA2xxState *) opaque; 188 189 switch (addr) { 190 case CCCR: 191 case CKEN: 192 s->cm_regs[addr >> 2] = value; 193 break; 194 195 case OSCC: 196 s->cm_regs[addr >> 2] &= ~0x6c; 197 s->cm_regs[addr >> 2] |= value & 0x6e; 198 if ((value >> 1) & 1) /* OON */ 199 s->cm_regs[addr >> 2] |= 1 << 0; /* Oscillator is now stable */ 200 break; 201 202 default: 203 printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr); 204 break; 205 } 206 } 207 208 static const MemoryRegionOps pxa2xx_cm_ops = { 209 .read = pxa2xx_cm_read, 210 .write = pxa2xx_cm_write, 211 .endianness = DEVICE_NATIVE_ENDIAN, 212 }; 213 214 static const VMStateDescription vmstate_pxa2xx_cm = { 215 .name = "pxa2xx_cm", 216 .version_id = 0, 217 .minimum_version_id = 0, 218 .fields = (VMStateField[]) { 219 VMSTATE_UINT32_ARRAY(cm_regs, PXA2xxState, 4), 220 VMSTATE_UINT32(clkcfg, PXA2xxState), 221 VMSTATE_UINT32(pmnc, PXA2xxState), 222 VMSTATE_END_OF_LIST() 223 } 224 }; 225 226 static uint64_t pxa2xx_clkcfg_read(CPUARMState *env, const ARMCPRegInfo *ri) 227 { 228 PXA2xxState *s = (PXA2xxState *)ri->opaque; 229 return s->clkcfg; 230 } 231 232 static void pxa2xx_clkcfg_write(CPUARMState *env, const ARMCPRegInfo *ri, 233 uint64_t value) 234 { 235 PXA2xxState *s = (PXA2xxState *)ri->opaque; 236 s->clkcfg = value & 0xf; 237 if (value & 2) { 238 printf("%s: CPU frequency change attempt\n", __func__); 239 } 240 } 241 242 static void pxa2xx_pwrmode_write(CPUARMState *env, const ARMCPRegInfo *ri, 243 uint64_t value) 244 { 245 PXA2xxState *s = (PXA2xxState *)ri->opaque; 246 static const char *pwrmode[8] = { 247 "Normal", "Idle", "Deep-idle", "Standby", 248 "Sleep", "reserved (!)", "reserved (!)", "Deep-sleep", 249 }; 250 251 if (value & 8) { 252 printf("%s: CPU voltage change attempt\n", __func__); 253 } 254 switch (value & 7) { 255 case 0: 256 /* Do nothing */ 257 break; 258 259 case 1: 260 /* Idle */ 261 if (!(s->cm_regs[CCCR >> 2] & (1U << 31))) { /* CPDIS */ 262 cpu_interrupt(CPU(s->cpu), CPU_INTERRUPT_HALT); 263 break; 264 } 265 /* Fall through. */ 266 267 case 2: 268 /* Deep-Idle */ 269 cpu_interrupt(CPU(s->cpu), CPU_INTERRUPT_HALT); 270 s->pm_regs[RCSR >> 2] |= 0x8; /* Set GPR */ 271 goto message; 272 273 case 3: 274 s->cpu->env.uncached_cpsr = ARM_CPU_MODE_SVC; 275 s->cpu->env.daif = PSTATE_A | PSTATE_F | PSTATE_I; 276 s->cpu->env.cp15.sctlr_ns = 0; 277 s->cpu->env.cp15.cpacr_el1 = 0; 278 s->cpu->env.cp15.ttbr0_el[1] = 0; 279 s->cpu->env.cp15.dacr_ns = 0; 280 s->pm_regs[PSSR >> 2] |= 0x8; /* Set STS */ 281 s->pm_regs[RCSR >> 2] |= 0x8; /* Set GPR */ 282 283 /* 284 * The scratch-pad register is almost universally used 285 * for storing the return address on suspend. For the 286 * lack of a resuming bootloader, perform a jump 287 * directly to that address. 288 */ 289 memset(s->cpu->env.regs, 0, 4 * 15); 290 s->cpu->env.regs[15] = s->pm_regs[PSPR >> 2]; 291 292 #if 0 293 buffer = 0xe59ff000; /* ldr pc, [pc, #0] */ 294 cpu_physical_memory_write(0, &buffer, 4); 295 buffer = s->pm_regs[PSPR >> 2]; 296 cpu_physical_memory_write(8, &buffer, 4); 297 #endif 298 299 /* Suspend */ 300 cpu_interrupt(current_cpu, CPU_INTERRUPT_HALT); 301 302 goto message; 303 304 default: 305 message: 306 printf("%s: machine entered %s mode\n", __func__, 307 pwrmode[value & 7]); 308 } 309 } 310 311 static uint64_t pxa2xx_cppmnc_read(CPUARMState *env, const ARMCPRegInfo *ri) 312 { 313 PXA2xxState *s = (PXA2xxState *)ri->opaque; 314 return s->pmnc; 315 } 316 317 static void pxa2xx_cppmnc_write(CPUARMState *env, const ARMCPRegInfo *ri, 318 uint64_t value) 319 { 320 PXA2xxState *s = (PXA2xxState *)ri->opaque; 321 s->pmnc = value; 322 } 323 324 static uint64_t pxa2xx_cpccnt_read(CPUARMState *env, const ARMCPRegInfo *ri) 325 { 326 PXA2xxState *s = (PXA2xxState *)ri->opaque; 327 if (s->pmnc & 1) { 328 return qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); 329 } else { 330 return 0; 331 } 332 } 333 334 static const ARMCPRegInfo pxa_cp_reginfo[] = { 335 /* cp14 crm==1: perf registers */ 336 { .name = "CPPMNC", .cp = 14, .crn = 0, .crm = 1, .opc1 = 0, .opc2 = 0, 337 .access = PL1_RW, .type = ARM_CP_IO, 338 .readfn = pxa2xx_cppmnc_read, .writefn = pxa2xx_cppmnc_write }, 339 { .name = "CPCCNT", .cp = 14, .crn = 1, .crm = 1, .opc1 = 0, .opc2 = 0, 340 .access = PL1_RW, .type = ARM_CP_IO, 341 .readfn = pxa2xx_cpccnt_read, .writefn = arm_cp_write_ignore }, 342 { .name = "CPINTEN", .cp = 14, .crn = 4, .crm = 1, .opc1 = 0, .opc2 = 0, 343 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 }, 344 { .name = "CPFLAG", .cp = 14, .crn = 5, .crm = 1, .opc1 = 0, .opc2 = 0, 345 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 }, 346 { .name = "CPEVTSEL", .cp = 14, .crn = 8, .crm = 1, .opc1 = 0, .opc2 = 0, 347 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 }, 348 /* cp14 crm==2: performance count registers */ 349 { .name = "CPPMN0", .cp = 14, .crn = 0, .crm = 2, .opc1 = 0, .opc2 = 0, 350 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 }, 351 { .name = "CPPMN1", .cp = 14, .crn = 1, .crm = 2, .opc1 = 0, .opc2 = 0, 352 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 }, 353 { .name = "CPPMN2", .cp = 14, .crn = 2, .crm = 2, .opc1 = 0, .opc2 = 0, 354 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 }, 355 { .name = "CPPMN3", .cp = 14, .crn = 2, .crm = 3, .opc1 = 0, .opc2 = 0, 356 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 }, 357 /* cp14 crn==6: CLKCFG */ 358 { .name = "CLKCFG", .cp = 14, .crn = 6, .crm = 0, .opc1 = 0, .opc2 = 0, 359 .access = PL1_RW, .type = ARM_CP_IO, 360 .readfn = pxa2xx_clkcfg_read, .writefn = pxa2xx_clkcfg_write }, 361 /* cp14 crn==7: PWRMODE */ 362 { .name = "PWRMODE", .cp = 14, .crn = 7, .crm = 0, .opc1 = 0, .opc2 = 0, 363 .access = PL1_RW, .type = ARM_CP_IO, 364 .readfn = arm_cp_read_zero, .writefn = pxa2xx_pwrmode_write }, 365 REGINFO_SENTINEL 366 }; 367 368 static void pxa2xx_setup_cp14(PXA2xxState *s) 369 { 370 define_arm_cp_regs_with_opaque(s->cpu, pxa_cp_reginfo, s); 371 } 372 373 #define MDCNFG 0x00 /* SDRAM Configuration register */ 374 #define MDREFR 0x04 /* SDRAM Refresh Control register */ 375 #define MSC0 0x08 /* Static Memory Control register 0 */ 376 #define MSC1 0x0c /* Static Memory Control register 1 */ 377 #define MSC2 0x10 /* Static Memory Control register 2 */ 378 #define MECR 0x14 /* Expansion Memory Bus Config register */ 379 #define SXCNFG 0x1c /* Synchronous Static Memory Config register */ 380 #define MCMEM0 0x28 /* PC Card Memory Socket 0 Timing register */ 381 #define MCMEM1 0x2c /* PC Card Memory Socket 1 Timing register */ 382 #define MCATT0 0x30 /* PC Card Attribute Socket 0 register */ 383 #define MCATT1 0x34 /* PC Card Attribute Socket 1 register */ 384 #define MCIO0 0x38 /* PC Card I/O Socket 0 Timing register */ 385 #define MCIO1 0x3c /* PC Card I/O Socket 1 Timing register */ 386 #define MDMRS 0x40 /* SDRAM Mode Register Set Config register */ 387 #define BOOT_DEF 0x44 /* Boot-time Default Configuration register */ 388 #define ARB_CNTL 0x48 /* Arbiter Control register */ 389 #define BSCNTR0 0x4c /* Memory Buffer Strength Control register 0 */ 390 #define BSCNTR1 0x50 /* Memory Buffer Strength Control register 1 */ 391 #define LCDBSCNTR 0x54 /* LCD Buffer Strength Control register */ 392 #define MDMRSLP 0x58 /* Low Power SDRAM Mode Set Config register */ 393 #define BSCNTR2 0x5c /* Memory Buffer Strength Control register 2 */ 394 #define BSCNTR3 0x60 /* Memory Buffer Strength Control register 3 */ 395 #define SA1110 0x64 /* SA-1110 Memory Compatibility register */ 396 397 static uint64_t pxa2xx_mm_read(void *opaque, hwaddr addr, 398 unsigned size) 399 { 400 PXA2xxState *s = (PXA2xxState *) opaque; 401 402 switch (addr) { 403 case MDCNFG ... SA1110: 404 if ((addr & 3) == 0) 405 return s->mm_regs[addr >> 2]; 406 407 default: 408 printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr); 409 break; 410 } 411 return 0; 412 } 413 414 static void pxa2xx_mm_write(void *opaque, hwaddr addr, 415 uint64_t value, unsigned size) 416 { 417 PXA2xxState *s = (PXA2xxState *) opaque; 418 419 switch (addr) { 420 case MDCNFG ... SA1110: 421 if ((addr & 3) == 0) { 422 s->mm_regs[addr >> 2] = value; 423 break; 424 } 425 426 default: 427 printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr); 428 break; 429 } 430 } 431 432 static const MemoryRegionOps pxa2xx_mm_ops = { 433 .read = pxa2xx_mm_read, 434 .write = pxa2xx_mm_write, 435 .endianness = DEVICE_NATIVE_ENDIAN, 436 }; 437 438 static const VMStateDescription vmstate_pxa2xx_mm = { 439 .name = "pxa2xx_mm", 440 .version_id = 0, 441 .minimum_version_id = 0, 442 .fields = (VMStateField[]) { 443 VMSTATE_UINT32_ARRAY(mm_regs, PXA2xxState, 0x1a), 444 VMSTATE_END_OF_LIST() 445 } 446 }; 447 448 #define TYPE_PXA2XX_SSP "pxa2xx-ssp" 449 #define PXA2XX_SSP(obj) \ 450 OBJECT_CHECK(PXA2xxSSPState, (obj), TYPE_PXA2XX_SSP) 451 452 /* Synchronous Serial Ports */ 453 typedef struct { 454 /*< private >*/ 455 SysBusDevice parent_obj; 456 /*< public >*/ 457 458 MemoryRegion iomem; 459 qemu_irq irq; 460 uint32_t enable; 461 SSIBus *bus; 462 463 uint32_t sscr[2]; 464 uint32_t sspsp; 465 uint32_t ssto; 466 uint32_t ssitr; 467 uint32_t sssr; 468 uint8_t sstsa; 469 uint8_t ssrsa; 470 uint8_t ssacd; 471 472 uint32_t rx_fifo[16]; 473 uint32_t rx_level; 474 uint32_t rx_start; 475 } PXA2xxSSPState; 476 477 static bool pxa2xx_ssp_vmstate_validate(void *opaque, int version_id) 478 { 479 PXA2xxSSPState *s = opaque; 480 481 return s->rx_start < sizeof(s->rx_fifo); 482 } 483 484 static const VMStateDescription vmstate_pxa2xx_ssp = { 485 .name = "pxa2xx-ssp", 486 .version_id = 1, 487 .minimum_version_id = 1, 488 .fields = (VMStateField[]) { 489 VMSTATE_UINT32(enable, PXA2xxSSPState), 490 VMSTATE_UINT32_ARRAY(sscr, PXA2xxSSPState, 2), 491 VMSTATE_UINT32(sspsp, PXA2xxSSPState), 492 VMSTATE_UINT32(ssto, PXA2xxSSPState), 493 VMSTATE_UINT32(ssitr, PXA2xxSSPState), 494 VMSTATE_UINT32(sssr, PXA2xxSSPState), 495 VMSTATE_UINT8(sstsa, PXA2xxSSPState), 496 VMSTATE_UINT8(ssrsa, PXA2xxSSPState), 497 VMSTATE_UINT8(ssacd, PXA2xxSSPState), 498 VMSTATE_UINT32(rx_level, PXA2xxSSPState), 499 VMSTATE_UINT32(rx_start, PXA2xxSSPState), 500 VMSTATE_VALIDATE("fifo is 16 bytes", pxa2xx_ssp_vmstate_validate), 501 VMSTATE_UINT32_ARRAY(rx_fifo, PXA2xxSSPState, 16), 502 VMSTATE_END_OF_LIST() 503 } 504 }; 505 506 #define SSCR0 0x00 /* SSP Control register 0 */ 507 #define SSCR1 0x04 /* SSP Control register 1 */ 508 #define SSSR 0x08 /* SSP Status register */ 509 #define SSITR 0x0c /* SSP Interrupt Test register */ 510 #define SSDR 0x10 /* SSP Data register */ 511 #define SSTO 0x28 /* SSP Time-Out register */ 512 #define SSPSP 0x2c /* SSP Programmable Serial Protocol register */ 513 #define SSTSA 0x30 /* SSP TX Time Slot Active register */ 514 #define SSRSA 0x34 /* SSP RX Time Slot Active register */ 515 #define SSTSS 0x38 /* SSP Time Slot Status register */ 516 #define SSACD 0x3c /* SSP Audio Clock Divider register */ 517 518 /* Bitfields for above registers */ 519 #define SSCR0_SPI(x) (((x) & 0x30) == 0x00) 520 #define SSCR0_SSP(x) (((x) & 0x30) == 0x10) 521 #define SSCR0_UWIRE(x) (((x) & 0x30) == 0x20) 522 #define SSCR0_PSP(x) (((x) & 0x30) == 0x30) 523 #define SSCR0_SSE (1 << 7) 524 #define SSCR0_RIM (1 << 22) 525 #define SSCR0_TIM (1 << 23) 526 #define SSCR0_MOD (1U << 31) 527 #define SSCR0_DSS(x) (((((x) >> 16) & 0x10) | ((x) & 0xf)) + 1) 528 #define SSCR1_RIE (1 << 0) 529 #define SSCR1_TIE (1 << 1) 530 #define SSCR1_LBM (1 << 2) 531 #define SSCR1_MWDS (1 << 5) 532 #define SSCR1_TFT(x) ((((x) >> 6) & 0xf) + 1) 533 #define SSCR1_RFT(x) ((((x) >> 10) & 0xf) + 1) 534 #define SSCR1_EFWR (1 << 14) 535 #define SSCR1_PINTE (1 << 18) 536 #define SSCR1_TINTE (1 << 19) 537 #define SSCR1_RSRE (1 << 20) 538 #define SSCR1_TSRE (1 << 21) 539 #define SSCR1_EBCEI (1 << 29) 540 #define SSITR_INT (7 << 5) 541 #define SSSR_TNF (1 << 2) 542 #define SSSR_RNE (1 << 3) 543 #define SSSR_TFS (1 << 5) 544 #define SSSR_RFS (1 << 6) 545 #define SSSR_ROR (1 << 7) 546 #define SSSR_PINT (1 << 18) 547 #define SSSR_TINT (1 << 19) 548 #define SSSR_EOC (1 << 20) 549 #define SSSR_TUR (1 << 21) 550 #define SSSR_BCE (1 << 23) 551 #define SSSR_RW 0x00bc0080 552 553 static void pxa2xx_ssp_int_update(PXA2xxSSPState *s) 554 { 555 int level = 0; 556 557 level |= s->ssitr & SSITR_INT; 558 level |= (s->sssr & SSSR_BCE) && (s->sscr[1] & SSCR1_EBCEI); 559 level |= (s->sssr & SSSR_TUR) && !(s->sscr[0] & SSCR0_TIM); 560 level |= (s->sssr & SSSR_EOC) && (s->sssr & (SSSR_TINT | SSSR_PINT)); 561 level |= (s->sssr & SSSR_TINT) && (s->sscr[1] & SSCR1_TINTE); 562 level |= (s->sssr & SSSR_PINT) && (s->sscr[1] & SSCR1_PINTE); 563 level |= (s->sssr & SSSR_ROR) && !(s->sscr[0] & SSCR0_RIM); 564 level |= (s->sssr & SSSR_RFS) && (s->sscr[1] & SSCR1_RIE); 565 level |= (s->sssr & SSSR_TFS) && (s->sscr[1] & SSCR1_TIE); 566 qemu_set_irq(s->irq, !!level); 567 } 568 569 static void pxa2xx_ssp_fifo_update(PXA2xxSSPState *s) 570 { 571 s->sssr &= ~(0xf << 12); /* Clear RFL */ 572 s->sssr &= ~(0xf << 8); /* Clear TFL */ 573 s->sssr &= ~SSSR_TFS; 574 s->sssr &= ~SSSR_TNF; 575 if (s->enable) { 576 s->sssr |= ((s->rx_level - 1) & 0xf) << 12; 577 if (s->rx_level >= SSCR1_RFT(s->sscr[1])) 578 s->sssr |= SSSR_RFS; 579 else 580 s->sssr &= ~SSSR_RFS; 581 if (s->rx_level) 582 s->sssr |= SSSR_RNE; 583 else 584 s->sssr &= ~SSSR_RNE; 585 /* TX FIFO is never filled, so it is always in underrun 586 condition if SSP is enabled */ 587 s->sssr |= SSSR_TFS; 588 s->sssr |= SSSR_TNF; 589 } 590 591 pxa2xx_ssp_int_update(s); 592 } 593 594 static uint64_t pxa2xx_ssp_read(void *opaque, hwaddr addr, 595 unsigned size) 596 { 597 PXA2xxSSPState *s = (PXA2xxSSPState *) opaque; 598 uint32_t retval; 599 600 switch (addr) { 601 case SSCR0: 602 return s->sscr[0]; 603 case SSCR1: 604 return s->sscr[1]; 605 case SSPSP: 606 return s->sspsp; 607 case SSTO: 608 return s->ssto; 609 case SSITR: 610 return s->ssitr; 611 case SSSR: 612 return s->sssr | s->ssitr; 613 case SSDR: 614 if (!s->enable) 615 return 0xffffffff; 616 if (s->rx_level < 1) { 617 printf("%s: SSP Rx Underrun\n", __FUNCTION__); 618 return 0xffffffff; 619 } 620 s->rx_level --; 621 retval = s->rx_fifo[s->rx_start ++]; 622 s->rx_start &= 0xf; 623 pxa2xx_ssp_fifo_update(s); 624 return retval; 625 case SSTSA: 626 return s->sstsa; 627 case SSRSA: 628 return s->ssrsa; 629 case SSTSS: 630 return 0; 631 case SSACD: 632 return s->ssacd; 633 default: 634 printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr); 635 break; 636 } 637 return 0; 638 } 639 640 static void pxa2xx_ssp_write(void *opaque, hwaddr addr, 641 uint64_t value64, unsigned size) 642 { 643 PXA2xxSSPState *s = (PXA2xxSSPState *) opaque; 644 uint32_t value = value64; 645 646 switch (addr) { 647 case SSCR0: 648 s->sscr[0] = value & 0xc7ffffff; 649 s->enable = value & SSCR0_SSE; 650 if (value & SSCR0_MOD) 651 printf("%s: Attempt to use network mode\n", __FUNCTION__); 652 if (s->enable && SSCR0_DSS(value) < 4) 653 printf("%s: Wrong data size: %i bits\n", __FUNCTION__, 654 SSCR0_DSS(value)); 655 if (!(value & SSCR0_SSE)) { 656 s->sssr = 0; 657 s->ssitr = 0; 658 s->rx_level = 0; 659 } 660 pxa2xx_ssp_fifo_update(s); 661 break; 662 663 case SSCR1: 664 s->sscr[1] = value; 665 if (value & (SSCR1_LBM | SSCR1_EFWR)) 666 printf("%s: Attempt to use SSP test mode\n", __FUNCTION__); 667 pxa2xx_ssp_fifo_update(s); 668 break; 669 670 case SSPSP: 671 s->sspsp = value; 672 break; 673 674 case SSTO: 675 s->ssto = value; 676 break; 677 678 case SSITR: 679 s->ssitr = value & SSITR_INT; 680 pxa2xx_ssp_int_update(s); 681 break; 682 683 case SSSR: 684 s->sssr &= ~(value & SSSR_RW); 685 pxa2xx_ssp_int_update(s); 686 break; 687 688 case SSDR: 689 if (SSCR0_UWIRE(s->sscr[0])) { 690 if (s->sscr[1] & SSCR1_MWDS) 691 value &= 0xffff; 692 else 693 value &= 0xff; 694 } else 695 /* Note how 32bits overflow does no harm here */ 696 value &= (1 << SSCR0_DSS(s->sscr[0])) - 1; 697 698 /* Data goes from here to the Tx FIFO and is shifted out from 699 * there directly to the slave, no need to buffer it. 700 */ 701 if (s->enable) { 702 uint32_t readval; 703 readval = ssi_transfer(s->bus, value); 704 if (s->rx_level < 0x10) { 705 s->rx_fifo[(s->rx_start + s->rx_level ++) & 0xf] = readval; 706 } else { 707 s->sssr |= SSSR_ROR; 708 } 709 } 710 pxa2xx_ssp_fifo_update(s); 711 break; 712 713 case SSTSA: 714 s->sstsa = value; 715 break; 716 717 case SSRSA: 718 s->ssrsa = value; 719 break; 720 721 case SSACD: 722 s->ssacd = value; 723 break; 724 725 default: 726 printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr); 727 break; 728 } 729 } 730 731 static const MemoryRegionOps pxa2xx_ssp_ops = { 732 .read = pxa2xx_ssp_read, 733 .write = pxa2xx_ssp_write, 734 .endianness = DEVICE_NATIVE_ENDIAN, 735 }; 736 737 static void pxa2xx_ssp_reset(DeviceState *d) 738 { 739 PXA2xxSSPState *s = PXA2XX_SSP(d); 740 741 s->enable = 0; 742 s->sscr[0] = s->sscr[1] = 0; 743 s->sspsp = 0; 744 s->ssto = 0; 745 s->ssitr = 0; 746 s->sssr = 0; 747 s->sstsa = 0; 748 s->ssrsa = 0; 749 s->ssacd = 0; 750 s->rx_start = s->rx_level = 0; 751 } 752 753 static int pxa2xx_ssp_init(SysBusDevice *sbd) 754 { 755 DeviceState *dev = DEVICE(sbd); 756 PXA2xxSSPState *s = PXA2XX_SSP(dev); 757 758 sysbus_init_irq(sbd, &s->irq); 759 760 memory_region_init_io(&s->iomem, OBJECT(s), &pxa2xx_ssp_ops, s, 761 "pxa2xx-ssp", 0x1000); 762 sysbus_init_mmio(sbd, &s->iomem); 763 764 s->bus = ssi_create_bus(dev, "ssi"); 765 return 0; 766 } 767 768 /* Real-Time Clock */ 769 #define RCNR 0x00 /* RTC Counter register */ 770 #define RTAR 0x04 /* RTC Alarm register */ 771 #define RTSR 0x08 /* RTC Status register */ 772 #define RTTR 0x0c /* RTC Timer Trim register */ 773 #define RDCR 0x10 /* RTC Day Counter register */ 774 #define RYCR 0x14 /* RTC Year Counter register */ 775 #define RDAR1 0x18 /* RTC Wristwatch Day Alarm register 1 */ 776 #define RYAR1 0x1c /* RTC Wristwatch Year Alarm register 1 */ 777 #define RDAR2 0x20 /* RTC Wristwatch Day Alarm register 2 */ 778 #define RYAR2 0x24 /* RTC Wristwatch Year Alarm register 2 */ 779 #define SWCR 0x28 /* RTC Stopwatch Counter register */ 780 #define SWAR1 0x2c /* RTC Stopwatch Alarm register 1 */ 781 #define SWAR2 0x30 /* RTC Stopwatch Alarm register 2 */ 782 #define RTCPICR 0x34 /* RTC Periodic Interrupt Counter register */ 783 #define PIAR 0x38 /* RTC Periodic Interrupt Alarm register */ 784 785 #define TYPE_PXA2XX_RTC "pxa2xx_rtc" 786 #define PXA2XX_RTC(obj) \ 787 OBJECT_CHECK(PXA2xxRTCState, (obj), TYPE_PXA2XX_RTC) 788 789 typedef struct { 790 /*< private >*/ 791 SysBusDevice parent_obj; 792 /*< public >*/ 793 794 MemoryRegion iomem; 795 uint32_t rttr; 796 uint32_t rtsr; 797 uint32_t rtar; 798 uint32_t rdar1; 799 uint32_t rdar2; 800 uint32_t ryar1; 801 uint32_t ryar2; 802 uint32_t swar1; 803 uint32_t swar2; 804 uint32_t piar; 805 uint32_t last_rcnr; 806 uint32_t last_rdcr; 807 uint32_t last_rycr; 808 uint32_t last_swcr; 809 uint32_t last_rtcpicr; 810 int64_t last_hz; 811 int64_t last_sw; 812 int64_t last_pi; 813 QEMUTimer *rtc_hz; 814 QEMUTimer *rtc_rdal1; 815 QEMUTimer *rtc_rdal2; 816 QEMUTimer *rtc_swal1; 817 QEMUTimer *rtc_swal2; 818 QEMUTimer *rtc_pi; 819 qemu_irq rtc_irq; 820 } PXA2xxRTCState; 821 822 static inline void pxa2xx_rtc_int_update(PXA2xxRTCState *s) 823 { 824 qemu_set_irq(s->rtc_irq, !!(s->rtsr & 0x2553)); 825 } 826 827 static void pxa2xx_rtc_hzupdate(PXA2xxRTCState *s) 828 { 829 int64_t rt = qemu_clock_get_ms(rtc_clock); 830 s->last_rcnr += ((rt - s->last_hz) << 15) / 831 (1000 * ((s->rttr & 0xffff) + 1)); 832 s->last_rdcr += ((rt - s->last_hz) << 15) / 833 (1000 * ((s->rttr & 0xffff) + 1)); 834 s->last_hz = rt; 835 } 836 837 static void pxa2xx_rtc_swupdate(PXA2xxRTCState *s) 838 { 839 int64_t rt = qemu_clock_get_ms(rtc_clock); 840 if (s->rtsr & (1 << 12)) 841 s->last_swcr += (rt - s->last_sw) / 10; 842 s->last_sw = rt; 843 } 844 845 static void pxa2xx_rtc_piupdate(PXA2xxRTCState *s) 846 { 847 int64_t rt = qemu_clock_get_ms(rtc_clock); 848 if (s->rtsr & (1 << 15)) 849 s->last_swcr += rt - s->last_pi; 850 s->last_pi = rt; 851 } 852 853 static inline void pxa2xx_rtc_alarm_update(PXA2xxRTCState *s, 854 uint32_t rtsr) 855 { 856 if ((rtsr & (1 << 2)) && !(rtsr & (1 << 0))) 857 timer_mod(s->rtc_hz, s->last_hz + 858 (((s->rtar - s->last_rcnr) * 1000 * 859 ((s->rttr & 0xffff) + 1)) >> 15)); 860 else 861 timer_del(s->rtc_hz); 862 863 if ((rtsr & (1 << 5)) && !(rtsr & (1 << 4))) 864 timer_mod(s->rtc_rdal1, s->last_hz + 865 (((s->rdar1 - s->last_rdcr) * 1000 * 866 ((s->rttr & 0xffff) + 1)) >> 15)); /* TODO: fixup */ 867 else 868 timer_del(s->rtc_rdal1); 869 870 if ((rtsr & (1 << 7)) && !(rtsr & (1 << 6))) 871 timer_mod(s->rtc_rdal2, s->last_hz + 872 (((s->rdar2 - s->last_rdcr) * 1000 * 873 ((s->rttr & 0xffff) + 1)) >> 15)); /* TODO: fixup */ 874 else 875 timer_del(s->rtc_rdal2); 876 877 if ((rtsr & 0x1200) == 0x1200 && !(rtsr & (1 << 8))) 878 timer_mod(s->rtc_swal1, s->last_sw + 879 (s->swar1 - s->last_swcr) * 10); /* TODO: fixup */ 880 else 881 timer_del(s->rtc_swal1); 882 883 if ((rtsr & 0x1800) == 0x1800 && !(rtsr & (1 << 10))) 884 timer_mod(s->rtc_swal2, s->last_sw + 885 (s->swar2 - s->last_swcr) * 10); /* TODO: fixup */ 886 else 887 timer_del(s->rtc_swal2); 888 889 if ((rtsr & 0xc000) == 0xc000 && !(rtsr & (1 << 13))) 890 timer_mod(s->rtc_pi, s->last_pi + 891 (s->piar & 0xffff) - s->last_rtcpicr); 892 else 893 timer_del(s->rtc_pi); 894 } 895 896 static inline void pxa2xx_rtc_hz_tick(void *opaque) 897 { 898 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque; 899 s->rtsr |= (1 << 0); 900 pxa2xx_rtc_alarm_update(s, s->rtsr); 901 pxa2xx_rtc_int_update(s); 902 } 903 904 static inline void pxa2xx_rtc_rdal1_tick(void *opaque) 905 { 906 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque; 907 s->rtsr |= (1 << 4); 908 pxa2xx_rtc_alarm_update(s, s->rtsr); 909 pxa2xx_rtc_int_update(s); 910 } 911 912 static inline void pxa2xx_rtc_rdal2_tick(void *opaque) 913 { 914 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque; 915 s->rtsr |= (1 << 6); 916 pxa2xx_rtc_alarm_update(s, s->rtsr); 917 pxa2xx_rtc_int_update(s); 918 } 919 920 static inline void pxa2xx_rtc_swal1_tick(void *opaque) 921 { 922 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque; 923 s->rtsr |= (1 << 8); 924 pxa2xx_rtc_alarm_update(s, s->rtsr); 925 pxa2xx_rtc_int_update(s); 926 } 927 928 static inline void pxa2xx_rtc_swal2_tick(void *opaque) 929 { 930 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque; 931 s->rtsr |= (1 << 10); 932 pxa2xx_rtc_alarm_update(s, s->rtsr); 933 pxa2xx_rtc_int_update(s); 934 } 935 936 static inline void pxa2xx_rtc_pi_tick(void *opaque) 937 { 938 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque; 939 s->rtsr |= (1 << 13); 940 pxa2xx_rtc_piupdate(s); 941 s->last_rtcpicr = 0; 942 pxa2xx_rtc_alarm_update(s, s->rtsr); 943 pxa2xx_rtc_int_update(s); 944 } 945 946 static uint64_t pxa2xx_rtc_read(void *opaque, hwaddr addr, 947 unsigned size) 948 { 949 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque; 950 951 switch (addr) { 952 case RTTR: 953 return s->rttr; 954 case RTSR: 955 return s->rtsr; 956 case RTAR: 957 return s->rtar; 958 case RDAR1: 959 return s->rdar1; 960 case RDAR2: 961 return s->rdar2; 962 case RYAR1: 963 return s->ryar1; 964 case RYAR2: 965 return s->ryar2; 966 case SWAR1: 967 return s->swar1; 968 case SWAR2: 969 return s->swar2; 970 case PIAR: 971 return s->piar; 972 case RCNR: 973 return s->last_rcnr + 974 ((qemu_clock_get_ms(rtc_clock) - s->last_hz) << 15) / 975 (1000 * ((s->rttr & 0xffff) + 1)); 976 case RDCR: 977 return s->last_rdcr + 978 ((qemu_clock_get_ms(rtc_clock) - s->last_hz) << 15) / 979 (1000 * ((s->rttr & 0xffff) + 1)); 980 case RYCR: 981 return s->last_rycr; 982 case SWCR: 983 if (s->rtsr & (1 << 12)) 984 return s->last_swcr + 985 (qemu_clock_get_ms(rtc_clock) - s->last_sw) / 10; 986 else 987 return s->last_swcr; 988 default: 989 printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr); 990 break; 991 } 992 return 0; 993 } 994 995 static void pxa2xx_rtc_write(void *opaque, hwaddr addr, 996 uint64_t value64, unsigned size) 997 { 998 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque; 999 uint32_t value = value64; 1000 1001 switch (addr) { 1002 case RTTR: 1003 if (!(s->rttr & (1U << 31))) { 1004 pxa2xx_rtc_hzupdate(s); 1005 s->rttr = value; 1006 pxa2xx_rtc_alarm_update(s, s->rtsr); 1007 } 1008 break; 1009 1010 case RTSR: 1011 if ((s->rtsr ^ value) & (1 << 15)) 1012 pxa2xx_rtc_piupdate(s); 1013 1014 if ((s->rtsr ^ value) & (1 << 12)) 1015 pxa2xx_rtc_swupdate(s); 1016 1017 if (((s->rtsr ^ value) & 0x4aac) | (value & ~0xdaac)) 1018 pxa2xx_rtc_alarm_update(s, value); 1019 1020 s->rtsr = (value & 0xdaac) | (s->rtsr & ~(value & ~0xdaac)); 1021 pxa2xx_rtc_int_update(s); 1022 break; 1023 1024 case RTAR: 1025 s->rtar = value; 1026 pxa2xx_rtc_alarm_update(s, s->rtsr); 1027 break; 1028 1029 case RDAR1: 1030 s->rdar1 = value; 1031 pxa2xx_rtc_alarm_update(s, s->rtsr); 1032 break; 1033 1034 case RDAR2: 1035 s->rdar2 = value; 1036 pxa2xx_rtc_alarm_update(s, s->rtsr); 1037 break; 1038 1039 case RYAR1: 1040 s->ryar1 = value; 1041 pxa2xx_rtc_alarm_update(s, s->rtsr); 1042 break; 1043 1044 case RYAR2: 1045 s->ryar2 = value; 1046 pxa2xx_rtc_alarm_update(s, s->rtsr); 1047 break; 1048 1049 case SWAR1: 1050 pxa2xx_rtc_swupdate(s); 1051 s->swar1 = value; 1052 s->last_swcr = 0; 1053 pxa2xx_rtc_alarm_update(s, s->rtsr); 1054 break; 1055 1056 case SWAR2: 1057 s->swar2 = value; 1058 pxa2xx_rtc_alarm_update(s, s->rtsr); 1059 break; 1060 1061 case PIAR: 1062 s->piar = value; 1063 pxa2xx_rtc_alarm_update(s, s->rtsr); 1064 break; 1065 1066 case RCNR: 1067 pxa2xx_rtc_hzupdate(s); 1068 s->last_rcnr = value; 1069 pxa2xx_rtc_alarm_update(s, s->rtsr); 1070 break; 1071 1072 case RDCR: 1073 pxa2xx_rtc_hzupdate(s); 1074 s->last_rdcr = value; 1075 pxa2xx_rtc_alarm_update(s, s->rtsr); 1076 break; 1077 1078 case RYCR: 1079 s->last_rycr = value; 1080 break; 1081 1082 case SWCR: 1083 pxa2xx_rtc_swupdate(s); 1084 s->last_swcr = value; 1085 pxa2xx_rtc_alarm_update(s, s->rtsr); 1086 break; 1087 1088 case RTCPICR: 1089 pxa2xx_rtc_piupdate(s); 1090 s->last_rtcpicr = value & 0xffff; 1091 pxa2xx_rtc_alarm_update(s, s->rtsr); 1092 break; 1093 1094 default: 1095 printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr); 1096 } 1097 } 1098 1099 static const MemoryRegionOps pxa2xx_rtc_ops = { 1100 .read = pxa2xx_rtc_read, 1101 .write = pxa2xx_rtc_write, 1102 .endianness = DEVICE_NATIVE_ENDIAN, 1103 }; 1104 1105 static int pxa2xx_rtc_init(SysBusDevice *dev) 1106 { 1107 PXA2xxRTCState *s = PXA2XX_RTC(dev); 1108 struct tm tm; 1109 int wom; 1110 1111 s->rttr = 0x7fff; 1112 s->rtsr = 0; 1113 1114 qemu_get_timedate(&tm, 0); 1115 wom = ((tm.tm_mday - 1) / 7) + 1; 1116 1117 s->last_rcnr = (uint32_t) mktimegm(&tm); 1118 s->last_rdcr = (wom << 20) | ((tm.tm_wday + 1) << 17) | 1119 (tm.tm_hour << 12) | (tm.tm_min << 6) | tm.tm_sec; 1120 s->last_rycr = ((tm.tm_year + 1900) << 9) | 1121 ((tm.tm_mon + 1) << 5) | tm.tm_mday; 1122 s->last_swcr = (tm.tm_hour << 19) | 1123 (tm.tm_min << 13) | (tm.tm_sec << 7); 1124 s->last_rtcpicr = 0; 1125 s->last_hz = s->last_sw = s->last_pi = qemu_clock_get_ms(rtc_clock); 1126 1127 s->rtc_hz = timer_new_ms(rtc_clock, pxa2xx_rtc_hz_tick, s); 1128 s->rtc_rdal1 = timer_new_ms(rtc_clock, pxa2xx_rtc_rdal1_tick, s); 1129 s->rtc_rdal2 = timer_new_ms(rtc_clock, pxa2xx_rtc_rdal2_tick, s); 1130 s->rtc_swal1 = timer_new_ms(rtc_clock, pxa2xx_rtc_swal1_tick, s); 1131 s->rtc_swal2 = timer_new_ms(rtc_clock, pxa2xx_rtc_swal2_tick, s); 1132 s->rtc_pi = timer_new_ms(rtc_clock, pxa2xx_rtc_pi_tick, s); 1133 1134 sysbus_init_irq(dev, &s->rtc_irq); 1135 1136 memory_region_init_io(&s->iomem, OBJECT(s), &pxa2xx_rtc_ops, s, 1137 "pxa2xx-rtc", 0x10000); 1138 sysbus_init_mmio(dev, &s->iomem); 1139 1140 return 0; 1141 } 1142 1143 static void pxa2xx_rtc_pre_save(void *opaque) 1144 { 1145 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque; 1146 1147 pxa2xx_rtc_hzupdate(s); 1148 pxa2xx_rtc_piupdate(s); 1149 pxa2xx_rtc_swupdate(s); 1150 } 1151 1152 static int pxa2xx_rtc_post_load(void *opaque, int version_id) 1153 { 1154 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque; 1155 1156 pxa2xx_rtc_alarm_update(s, s->rtsr); 1157 1158 return 0; 1159 } 1160 1161 static const VMStateDescription vmstate_pxa2xx_rtc_regs = { 1162 .name = "pxa2xx_rtc", 1163 .version_id = 0, 1164 .minimum_version_id = 0, 1165 .pre_save = pxa2xx_rtc_pre_save, 1166 .post_load = pxa2xx_rtc_post_load, 1167 .fields = (VMStateField[]) { 1168 VMSTATE_UINT32(rttr, PXA2xxRTCState), 1169 VMSTATE_UINT32(rtsr, PXA2xxRTCState), 1170 VMSTATE_UINT32(rtar, PXA2xxRTCState), 1171 VMSTATE_UINT32(rdar1, PXA2xxRTCState), 1172 VMSTATE_UINT32(rdar2, PXA2xxRTCState), 1173 VMSTATE_UINT32(ryar1, PXA2xxRTCState), 1174 VMSTATE_UINT32(ryar2, PXA2xxRTCState), 1175 VMSTATE_UINT32(swar1, PXA2xxRTCState), 1176 VMSTATE_UINT32(swar2, PXA2xxRTCState), 1177 VMSTATE_UINT32(piar, PXA2xxRTCState), 1178 VMSTATE_UINT32(last_rcnr, PXA2xxRTCState), 1179 VMSTATE_UINT32(last_rdcr, PXA2xxRTCState), 1180 VMSTATE_UINT32(last_rycr, PXA2xxRTCState), 1181 VMSTATE_UINT32(last_swcr, PXA2xxRTCState), 1182 VMSTATE_UINT32(last_rtcpicr, PXA2xxRTCState), 1183 VMSTATE_INT64(last_hz, PXA2xxRTCState), 1184 VMSTATE_INT64(last_sw, PXA2xxRTCState), 1185 VMSTATE_INT64(last_pi, PXA2xxRTCState), 1186 VMSTATE_END_OF_LIST(), 1187 }, 1188 }; 1189 1190 static void pxa2xx_rtc_sysbus_class_init(ObjectClass *klass, void *data) 1191 { 1192 DeviceClass *dc = DEVICE_CLASS(klass); 1193 SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass); 1194 1195 k->init = pxa2xx_rtc_init; 1196 dc->desc = "PXA2xx RTC Controller"; 1197 dc->vmsd = &vmstate_pxa2xx_rtc_regs; 1198 } 1199 1200 static const TypeInfo pxa2xx_rtc_sysbus_info = { 1201 .name = TYPE_PXA2XX_RTC, 1202 .parent = TYPE_SYS_BUS_DEVICE, 1203 .instance_size = sizeof(PXA2xxRTCState), 1204 .class_init = pxa2xx_rtc_sysbus_class_init, 1205 }; 1206 1207 /* I2C Interface */ 1208 1209 #define TYPE_PXA2XX_I2C_SLAVE "pxa2xx-i2c-slave" 1210 #define PXA2XX_I2C_SLAVE(obj) \ 1211 OBJECT_CHECK(PXA2xxI2CSlaveState, (obj), TYPE_PXA2XX_I2C_SLAVE) 1212 1213 typedef struct PXA2xxI2CSlaveState { 1214 I2CSlave parent_obj; 1215 1216 PXA2xxI2CState *host; 1217 } PXA2xxI2CSlaveState; 1218 1219 #define TYPE_PXA2XX_I2C "pxa2xx_i2c" 1220 #define PXA2XX_I2C(obj) \ 1221 OBJECT_CHECK(PXA2xxI2CState, (obj), TYPE_PXA2XX_I2C) 1222 1223 struct PXA2xxI2CState { 1224 /*< private >*/ 1225 SysBusDevice parent_obj; 1226 /*< public >*/ 1227 1228 MemoryRegion iomem; 1229 PXA2xxI2CSlaveState *slave; 1230 I2CBus *bus; 1231 qemu_irq irq; 1232 uint32_t offset; 1233 uint32_t region_size; 1234 1235 uint16_t control; 1236 uint16_t status; 1237 uint8_t ibmr; 1238 uint8_t data; 1239 }; 1240 1241 #define IBMR 0x80 /* I2C Bus Monitor register */ 1242 #define IDBR 0x88 /* I2C Data Buffer register */ 1243 #define ICR 0x90 /* I2C Control register */ 1244 #define ISR 0x98 /* I2C Status register */ 1245 #define ISAR 0xa0 /* I2C Slave Address register */ 1246 1247 static void pxa2xx_i2c_update(PXA2xxI2CState *s) 1248 { 1249 uint16_t level = 0; 1250 level |= s->status & s->control & (1 << 10); /* BED */ 1251 level |= (s->status & (1 << 7)) && (s->control & (1 << 9)); /* IRF */ 1252 level |= (s->status & (1 << 6)) && (s->control & (1 << 8)); /* ITE */ 1253 level |= s->status & (1 << 9); /* SAD */ 1254 qemu_set_irq(s->irq, !!level); 1255 } 1256 1257 /* These are only stubs now. */ 1258 static void pxa2xx_i2c_event(I2CSlave *i2c, enum i2c_event event) 1259 { 1260 PXA2xxI2CSlaveState *slave = PXA2XX_I2C_SLAVE(i2c); 1261 PXA2xxI2CState *s = slave->host; 1262 1263 switch (event) { 1264 case I2C_START_SEND: 1265 s->status |= (1 << 9); /* set SAD */ 1266 s->status &= ~(1 << 0); /* clear RWM */ 1267 break; 1268 case I2C_START_RECV: 1269 s->status |= (1 << 9); /* set SAD */ 1270 s->status |= 1 << 0; /* set RWM */ 1271 break; 1272 case I2C_FINISH: 1273 s->status |= (1 << 4); /* set SSD */ 1274 break; 1275 case I2C_NACK: 1276 s->status |= 1 << 1; /* set ACKNAK */ 1277 break; 1278 } 1279 pxa2xx_i2c_update(s); 1280 } 1281 1282 static int pxa2xx_i2c_rx(I2CSlave *i2c) 1283 { 1284 PXA2xxI2CSlaveState *slave = PXA2XX_I2C_SLAVE(i2c); 1285 PXA2xxI2CState *s = slave->host; 1286 1287 if ((s->control & (1 << 14)) || !(s->control & (1 << 6))) { 1288 return 0; 1289 } 1290 1291 if (s->status & (1 << 0)) { /* RWM */ 1292 s->status |= 1 << 6; /* set ITE */ 1293 } 1294 pxa2xx_i2c_update(s); 1295 1296 return s->data; 1297 } 1298 1299 static int pxa2xx_i2c_tx(I2CSlave *i2c, uint8_t data) 1300 { 1301 PXA2xxI2CSlaveState *slave = PXA2XX_I2C_SLAVE(i2c); 1302 PXA2xxI2CState *s = slave->host; 1303 1304 if ((s->control & (1 << 14)) || !(s->control & (1 << 6))) { 1305 return 1; 1306 } 1307 1308 if (!(s->status & (1 << 0))) { /* RWM */ 1309 s->status |= 1 << 7; /* set IRF */ 1310 s->data = data; 1311 } 1312 pxa2xx_i2c_update(s); 1313 1314 return 1; 1315 } 1316 1317 static uint64_t pxa2xx_i2c_read(void *opaque, hwaddr addr, 1318 unsigned size) 1319 { 1320 PXA2xxI2CState *s = (PXA2xxI2CState *) opaque; 1321 I2CSlave *slave; 1322 1323 addr -= s->offset; 1324 switch (addr) { 1325 case ICR: 1326 return s->control; 1327 case ISR: 1328 return s->status | (i2c_bus_busy(s->bus) << 2); 1329 case ISAR: 1330 slave = I2C_SLAVE(s->slave); 1331 return slave->address; 1332 case IDBR: 1333 return s->data; 1334 case IBMR: 1335 if (s->status & (1 << 2)) 1336 s->ibmr ^= 3; /* Fake SCL and SDA pin changes */ 1337 else 1338 s->ibmr = 0; 1339 return s->ibmr; 1340 default: 1341 printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr); 1342 break; 1343 } 1344 return 0; 1345 } 1346 1347 static void pxa2xx_i2c_write(void *opaque, hwaddr addr, 1348 uint64_t value64, unsigned size) 1349 { 1350 PXA2xxI2CState *s = (PXA2xxI2CState *) opaque; 1351 uint32_t value = value64; 1352 int ack; 1353 1354 addr -= s->offset; 1355 switch (addr) { 1356 case ICR: 1357 s->control = value & 0xfff7; 1358 if ((value & (1 << 3)) && (value & (1 << 6))) { /* TB and IUE */ 1359 /* TODO: slave mode */ 1360 if (value & (1 << 0)) { /* START condition */ 1361 if (s->data & 1) 1362 s->status |= 1 << 0; /* set RWM */ 1363 else 1364 s->status &= ~(1 << 0); /* clear RWM */ 1365 ack = !i2c_start_transfer(s->bus, s->data >> 1, s->data & 1); 1366 } else { 1367 if (s->status & (1 << 0)) { /* RWM */ 1368 s->data = i2c_recv(s->bus); 1369 if (value & (1 << 2)) /* ACKNAK */ 1370 i2c_nack(s->bus); 1371 ack = 1; 1372 } else 1373 ack = !i2c_send(s->bus, s->data); 1374 } 1375 1376 if (value & (1 << 1)) /* STOP condition */ 1377 i2c_end_transfer(s->bus); 1378 1379 if (ack) { 1380 if (value & (1 << 0)) /* START condition */ 1381 s->status |= 1 << 6; /* set ITE */ 1382 else 1383 if (s->status & (1 << 0)) /* RWM */ 1384 s->status |= 1 << 7; /* set IRF */ 1385 else 1386 s->status |= 1 << 6; /* set ITE */ 1387 s->status &= ~(1 << 1); /* clear ACKNAK */ 1388 } else { 1389 s->status |= 1 << 6; /* set ITE */ 1390 s->status |= 1 << 10; /* set BED */ 1391 s->status |= 1 << 1; /* set ACKNAK */ 1392 } 1393 } 1394 if (!(value & (1 << 3)) && (value & (1 << 6))) /* !TB and IUE */ 1395 if (value & (1 << 4)) /* MA */ 1396 i2c_end_transfer(s->bus); 1397 pxa2xx_i2c_update(s); 1398 break; 1399 1400 case ISR: 1401 s->status &= ~(value & 0x07f0); 1402 pxa2xx_i2c_update(s); 1403 break; 1404 1405 case ISAR: 1406 i2c_set_slave_address(I2C_SLAVE(s->slave), value & 0x7f); 1407 break; 1408 1409 case IDBR: 1410 s->data = value & 0xff; 1411 break; 1412 1413 default: 1414 printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr); 1415 } 1416 } 1417 1418 static const MemoryRegionOps pxa2xx_i2c_ops = { 1419 .read = pxa2xx_i2c_read, 1420 .write = pxa2xx_i2c_write, 1421 .endianness = DEVICE_NATIVE_ENDIAN, 1422 }; 1423 1424 static const VMStateDescription vmstate_pxa2xx_i2c_slave = { 1425 .name = "pxa2xx_i2c_slave", 1426 .version_id = 1, 1427 .minimum_version_id = 1, 1428 .fields = (VMStateField[]) { 1429 VMSTATE_I2C_SLAVE(parent_obj, PXA2xxI2CSlaveState), 1430 VMSTATE_END_OF_LIST() 1431 } 1432 }; 1433 1434 static const VMStateDescription vmstate_pxa2xx_i2c = { 1435 .name = "pxa2xx_i2c", 1436 .version_id = 1, 1437 .minimum_version_id = 1, 1438 .fields = (VMStateField[]) { 1439 VMSTATE_UINT16(control, PXA2xxI2CState), 1440 VMSTATE_UINT16(status, PXA2xxI2CState), 1441 VMSTATE_UINT8(ibmr, PXA2xxI2CState), 1442 VMSTATE_UINT8(data, PXA2xxI2CState), 1443 VMSTATE_STRUCT_POINTER(slave, PXA2xxI2CState, 1444 vmstate_pxa2xx_i2c_slave, PXA2xxI2CSlaveState), 1445 VMSTATE_END_OF_LIST() 1446 } 1447 }; 1448 1449 static int pxa2xx_i2c_slave_init(I2CSlave *i2c) 1450 { 1451 /* Nothing to do. */ 1452 return 0; 1453 } 1454 1455 static void pxa2xx_i2c_slave_class_init(ObjectClass *klass, void *data) 1456 { 1457 I2CSlaveClass *k = I2C_SLAVE_CLASS(klass); 1458 1459 k->init = pxa2xx_i2c_slave_init; 1460 k->event = pxa2xx_i2c_event; 1461 k->recv = pxa2xx_i2c_rx; 1462 k->send = pxa2xx_i2c_tx; 1463 } 1464 1465 static const TypeInfo pxa2xx_i2c_slave_info = { 1466 .name = TYPE_PXA2XX_I2C_SLAVE, 1467 .parent = TYPE_I2C_SLAVE, 1468 .instance_size = sizeof(PXA2xxI2CSlaveState), 1469 .class_init = pxa2xx_i2c_slave_class_init, 1470 }; 1471 1472 PXA2xxI2CState *pxa2xx_i2c_init(hwaddr base, 1473 qemu_irq irq, uint32_t region_size) 1474 { 1475 DeviceState *dev; 1476 SysBusDevice *i2c_dev; 1477 PXA2xxI2CState *s; 1478 I2CBus *i2cbus; 1479 1480 dev = qdev_create(NULL, TYPE_PXA2XX_I2C); 1481 qdev_prop_set_uint32(dev, "size", region_size + 1); 1482 qdev_prop_set_uint32(dev, "offset", base & region_size); 1483 qdev_init_nofail(dev); 1484 1485 i2c_dev = SYS_BUS_DEVICE(dev); 1486 sysbus_mmio_map(i2c_dev, 0, base & ~region_size); 1487 sysbus_connect_irq(i2c_dev, 0, irq); 1488 1489 s = PXA2XX_I2C(i2c_dev); 1490 /* FIXME: Should the slave device really be on a separate bus? */ 1491 i2cbus = i2c_init_bus(dev, "dummy"); 1492 dev = i2c_create_slave(i2cbus, TYPE_PXA2XX_I2C_SLAVE, 0); 1493 s->slave = PXA2XX_I2C_SLAVE(dev); 1494 s->slave->host = s; 1495 1496 return s; 1497 } 1498 1499 static int pxa2xx_i2c_initfn(SysBusDevice *sbd) 1500 { 1501 DeviceState *dev = DEVICE(sbd); 1502 PXA2xxI2CState *s = PXA2XX_I2C(dev); 1503 1504 s->bus = i2c_init_bus(dev, "i2c"); 1505 1506 memory_region_init_io(&s->iomem, OBJECT(s), &pxa2xx_i2c_ops, s, 1507 "pxa2xx-i2c", s->region_size); 1508 sysbus_init_mmio(sbd, &s->iomem); 1509 sysbus_init_irq(sbd, &s->irq); 1510 1511 return 0; 1512 } 1513 1514 I2CBus *pxa2xx_i2c_bus(PXA2xxI2CState *s) 1515 { 1516 return s->bus; 1517 } 1518 1519 static Property pxa2xx_i2c_properties[] = { 1520 DEFINE_PROP_UINT32("size", PXA2xxI2CState, region_size, 0x10000), 1521 DEFINE_PROP_UINT32("offset", PXA2xxI2CState, offset, 0), 1522 DEFINE_PROP_END_OF_LIST(), 1523 }; 1524 1525 static void pxa2xx_i2c_class_init(ObjectClass *klass, void *data) 1526 { 1527 DeviceClass *dc = DEVICE_CLASS(klass); 1528 SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass); 1529 1530 k->init = pxa2xx_i2c_initfn; 1531 dc->desc = "PXA2xx I2C Bus Controller"; 1532 dc->vmsd = &vmstate_pxa2xx_i2c; 1533 dc->props = pxa2xx_i2c_properties; 1534 } 1535 1536 static const TypeInfo pxa2xx_i2c_info = { 1537 .name = TYPE_PXA2XX_I2C, 1538 .parent = TYPE_SYS_BUS_DEVICE, 1539 .instance_size = sizeof(PXA2xxI2CState), 1540 .class_init = pxa2xx_i2c_class_init, 1541 }; 1542 1543 /* PXA Inter-IC Sound Controller */ 1544 static void pxa2xx_i2s_reset(PXA2xxI2SState *i2s) 1545 { 1546 i2s->rx_len = 0; 1547 i2s->tx_len = 0; 1548 i2s->fifo_len = 0; 1549 i2s->clk = 0x1a; 1550 i2s->control[0] = 0x00; 1551 i2s->control[1] = 0x00; 1552 i2s->status = 0x00; 1553 i2s->mask = 0x00; 1554 } 1555 1556 #define SACR_TFTH(val) ((val >> 8) & 0xf) 1557 #define SACR_RFTH(val) ((val >> 12) & 0xf) 1558 #define SACR_DREC(val) (val & (1 << 3)) 1559 #define SACR_DPRL(val) (val & (1 << 4)) 1560 1561 static inline void pxa2xx_i2s_update(PXA2xxI2SState *i2s) 1562 { 1563 int rfs, tfs; 1564 rfs = SACR_RFTH(i2s->control[0]) < i2s->rx_len && 1565 !SACR_DREC(i2s->control[1]); 1566 tfs = (i2s->tx_len || i2s->fifo_len < SACR_TFTH(i2s->control[0])) && 1567 i2s->enable && !SACR_DPRL(i2s->control[1]); 1568 1569 qemu_set_irq(i2s->rx_dma, rfs); 1570 qemu_set_irq(i2s->tx_dma, tfs); 1571 1572 i2s->status &= 0xe0; 1573 if (i2s->fifo_len < 16 || !i2s->enable) 1574 i2s->status |= 1 << 0; /* TNF */ 1575 if (i2s->rx_len) 1576 i2s->status |= 1 << 1; /* RNE */ 1577 if (i2s->enable) 1578 i2s->status |= 1 << 2; /* BSY */ 1579 if (tfs) 1580 i2s->status |= 1 << 3; /* TFS */ 1581 if (rfs) 1582 i2s->status |= 1 << 4; /* RFS */ 1583 if (!(i2s->tx_len && i2s->enable)) 1584 i2s->status |= i2s->fifo_len << 8; /* TFL */ 1585 i2s->status |= MAX(i2s->rx_len, 0xf) << 12; /* RFL */ 1586 1587 qemu_set_irq(i2s->irq, i2s->status & i2s->mask); 1588 } 1589 1590 #define SACR0 0x00 /* Serial Audio Global Control register */ 1591 #define SACR1 0x04 /* Serial Audio I2S/MSB-Justified Control register */ 1592 #define SASR0 0x0c /* Serial Audio Interface and FIFO Status register */ 1593 #define SAIMR 0x14 /* Serial Audio Interrupt Mask register */ 1594 #define SAICR 0x18 /* Serial Audio Interrupt Clear register */ 1595 #define SADIV 0x60 /* Serial Audio Clock Divider register */ 1596 #define SADR 0x80 /* Serial Audio Data register */ 1597 1598 static uint64_t pxa2xx_i2s_read(void *opaque, hwaddr addr, 1599 unsigned size) 1600 { 1601 PXA2xxI2SState *s = (PXA2xxI2SState *) opaque; 1602 1603 switch (addr) { 1604 case SACR0: 1605 return s->control[0]; 1606 case SACR1: 1607 return s->control[1]; 1608 case SASR0: 1609 return s->status; 1610 case SAIMR: 1611 return s->mask; 1612 case SAICR: 1613 return 0; 1614 case SADIV: 1615 return s->clk; 1616 case SADR: 1617 if (s->rx_len > 0) { 1618 s->rx_len --; 1619 pxa2xx_i2s_update(s); 1620 return s->codec_in(s->opaque); 1621 } 1622 return 0; 1623 default: 1624 printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr); 1625 break; 1626 } 1627 return 0; 1628 } 1629 1630 static void pxa2xx_i2s_write(void *opaque, hwaddr addr, 1631 uint64_t value, unsigned size) 1632 { 1633 PXA2xxI2SState *s = (PXA2xxI2SState *) opaque; 1634 uint32_t *sample; 1635 1636 switch (addr) { 1637 case SACR0: 1638 if (value & (1 << 3)) /* RST */ 1639 pxa2xx_i2s_reset(s); 1640 s->control[0] = value & 0xff3d; 1641 if (!s->enable && (value & 1) && s->tx_len) { /* ENB */ 1642 for (sample = s->fifo; s->fifo_len > 0; s->fifo_len --, sample ++) 1643 s->codec_out(s->opaque, *sample); 1644 s->status &= ~(1 << 7); /* I2SOFF */ 1645 } 1646 if (value & (1 << 4)) /* EFWR */ 1647 printf("%s: Attempt to use special function\n", __FUNCTION__); 1648 s->enable = (value & 9) == 1; /* ENB && !RST*/ 1649 pxa2xx_i2s_update(s); 1650 break; 1651 case SACR1: 1652 s->control[1] = value & 0x0039; 1653 if (value & (1 << 5)) /* ENLBF */ 1654 printf("%s: Attempt to use loopback function\n", __FUNCTION__); 1655 if (value & (1 << 4)) /* DPRL */ 1656 s->fifo_len = 0; 1657 pxa2xx_i2s_update(s); 1658 break; 1659 case SAIMR: 1660 s->mask = value & 0x0078; 1661 pxa2xx_i2s_update(s); 1662 break; 1663 case SAICR: 1664 s->status &= ~(value & (3 << 5)); 1665 pxa2xx_i2s_update(s); 1666 break; 1667 case SADIV: 1668 s->clk = value & 0x007f; 1669 break; 1670 case SADR: 1671 if (s->tx_len && s->enable) { 1672 s->tx_len --; 1673 pxa2xx_i2s_update(s); 1674 s->codec_out(s->opaque, value); 1675 } else if (s->fifo_len < 16) { 1676 s->fifo[s->fifo_len ++] = value; 1677 pxa2xx_i2s_update(s); 1678 } 1679 break; 1680 default: 1681 printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr); 1682 } 1683 } 1684 1685 static const MemoryRegionOps pxa2xx_i2s_ops = { 1686 .read = pxa2xx_i2s_read, 1687 .write = pxa2xx_i2s_write, 1688 .endianness = DEVICE_NATIVE_ENDIAN, 1689 }; 1690 1691 static const VMStateDescription vmstate_pxa2xx_i2s = { 1692 .name = "pxa2xx_i2s", 1693 .version_id = 0, 1694 .minimum_version_id = 0, 1695 .fields = (VMStateField[]) { 1696 VMSTATE_UINT32_ARRAY(control, PXA2xxI2SState, 2), 1697 VMSTATE_UINT32(status, PXA2xxI2SState), 1698 VMSTATE_UINT32(mask, PXA2xxI2SState), 1699 VMSTATE_UINT32(clk, PXA2xxI2SState), 1700 VMSTATE_INT32(enable, PXA2xxI2SState), 1701 VMSTATE_INT32(rx_len, PXA2xxI2SState), 1702 VMSTATE_INT32(tx_len, PXA2xxI2SState), 1703 VMSTATE_INT32(fifo_len, PXA2xxI2SState), 1704 VMSTATE_END_OF_LIST() 1705 } 1706 }; 1707 1708 static void pxa2xx_i2s_data_req(void *opaque, int tx, int rx) 1709 { 1710 PXA2xxI2SState *s = (PXA2xxI2SState *) opaque; 1711 uint32_t *sample; 1712 1713 /* Signal FIFO errors */ 1714 if (s->enable && s->tx_len) 1715 s->status |= 1 << 5; /* TUR */ 1716 if (s->enable && s->rx_len) 1717 s->status |= 1 << 6; /* ROR */ 1718 1719 /* Should be tx - MIN(tx, s->fifo_len) but we don't really need to 1720 * handle the cases where it makes a difference. */ 1721 s->tx_len = tx - s->fifo_len; 1722 s->rx_len = rx; 1723 /* Note that is s->codec_out wasn't set, we wouldn't get called. */ 1724 if (s->enable) 1725 for (sample = s->fifo; s->fifo_len; s->fifo_len --, sample ++) 1726 s->codec_out(s->opaque, *sample); 1727 pxa2xx_i2s_update(s); 1728 } 1729 1730 static PXA2xxI2SState *pxa2xx_i2s_init(MemoryRegion *sysmem, 1731 hwaddr base, 1732 qemu_irq irq, qemu_irq rx_dma, qemu_irq tx_dma) 1733 { 1734 PXA2xxI2SState *s = g_new0(PXA2xxI2SState, 1); 1735 1736 s->irq = irq; 1737 s->rx_dma = rx_dma; 1738 s->tx_dma = tx_dma; 1739 s->data_req = pxa2xx_i2s_data_req; 1740 1741 pxa2xx_i2s_reset(s); 1742 1743 memory_region_init_io(&s->iomem, NULL, &pxa2xx_i2s_ops, s, 1744 "pxa2xx-i2s", 0x100000); 1745 memory_region_add_subregion(sysmem, base, &s->iomem); 1746 1747 vmstate_register(NULL, base, &vmstate_pxa2xx_i2s, s); 1748 1749 return s; 1750 } 1751 1752 /* PXA Fast Infra-red Communications Port */ 1753 #define TYPE_PXA2XX_FIR "pxa2xx-fir" 1754 #define PXA2XX_FIR(obj) OBJECT_CHECK(PXA2xxFIrState, (obj), TYPE_PXA2XX_FIR) 1755 1756 struct PXA2xxFIrState { 1757 /*< private >*/ 1758 SysBusDevice parent_obj; 1759 /*< public >*/ 1760 1761 MemoryRegion iomem; 1762 qemu_irq irq; 1763 qemu_irq rx_dma; 1764 qemu_irq tx_dma; 1765 uint32_t enable; 1766 CharDriverState *chr; 1767 1768 uint8_t control[3]; 1769 uint8_t status[2]; 1770 1771 uint32_t rx_len; 1772 uint32_t rx_start; 1773 uint8_t rx_fifo[64]; 1774 }; 1775 1776 static void pxa2xx_fir_reset(DeviceState *d) 1777 { 1778 PXA2xxFIrState *s = PXA2XX_FIR(d); 1779 1780 s->control[0] = 0x00; 1781 s->control[1] = 0x00; 1782 s->control[2] = 0x00; 1783 s->status[0] = 0x00; 1784 s->status[1] = 0x00; 1785 s->enable = 0; 1786 } 1787 1788 static inline void pxa2xx_fir_update(PXA2xxFIrState *s) 1789 { 1790 static const int tresh[4] = { 8, 16, 32, 0 }; 1791 int intr = 0; 1792 if ((s->control[0] & (1 << 4)) && /* RXE */ 1793 s->rx_len >= tresh[s->control[2] & 3]) /* TRIG */ 1794 s->status[0] |= 1 << 4; /* RFS */ 1795 else 1796 s->status[0] &= ~(1 << 4); /* RFS */ 1797 if (s->control[0] & (1 << 3)) /* TXE */ 1798 s->status[0] |= 1 << 3; /* TFS */ 1799 else 1800 s->status[0] &= ~(1 << 3); /* TFS */ 1801 if (s->rx_len) 1802 s->status[1] |= 1 << 2; /* RNE */ 1803 else 1804 s->status[1] &= ~(1 << 2); /* RNE */ 1805 if (s->control[0] & (1 << 4)) /* RXE */ 1806 s->status[1] |= 1 << 0; /* RSY */ 1807 else 1808 s->status[1] &= ~(1 << 0); /* RSY */ 1809 1810 intr |= (s->control[0] & (1 << 5)) && /* RIE */ 1811 (s->status[0] & (1 << 4)); /* RFS */ 1812 intr |= (s->control[0] & (1 << 6)) && /* TIE */ 1813 (s->status[0] & (1 << 3)); /* TFS */ 1814 intr |= (s->control[2] & (1 << 4)) && /* TRAIL */ 1815 (s->status[0] & (1 << 6)); /* EOC */ 1816 intr |= (s->control[0] & (1 << 2)) && /* TUS */ 1817 (s->status[0] & (1 << 1)); /* TUR */ 1818 intr |= s->status[0] & 0x25; /* FRE, RAB, EIF */ 1819 1820 qemu_set_irq(s->rx_dma, (s->status[0] >> 4) & 1); 1821 qemu_set_irq(s->tx_dma, (s->status[0] >> 3) & 1); 1822 1823 qemu_set_irq(s->irq, intr && s->enable); 1824 } 1825 1826 #define ICCR0 0x00 /* FICP Control register 0 */ 1827 #define ICCR1 0x04 /* FICP Control register 1 */ 1828 #define ICCR2 0x08 /* FICP Control register 2 */ 1829 #define ICDR 0x0c /* FICP Data register */ 1830 #define ICSR0 0x14 /* FICP Status register 0 */ 1831 #define ICSR1 0x18 /* FICP Status register 1 */ 1832 #define ICFOR 0x1c /* FICP FIFO Occupancy Status register */ 1833 1834 static uint64_t pxa2xx_fir_read(void *opaque, hwaddr addr, 1835 unsigned size) 1836 { 1837 PXA2xxFIrState *s = (PXA2xxFIrState *) opaque; 1838 uint8_t ret; 1839 1840 switch (addr) { 1841 case ICCR0: 1842 return s->control[0]; 1843 case ICCR1: 1844 return s->control[1]; 1845 case ICCR2: 1846 return s->control[2]; 1847 case ICDR: 1848 s->status[0] &= ~0x01; 1849 s->status[1] &= ~0x72; 1850 if (s->rx_len) { 1851 s->rx_len --; 1852 ret = s->rx_fifo[s->rx_start ++]; 1853 s->rx_start &= 63; 1854 pxa2xx_fir_update(s); 1855 return ret; 1856 } 1857 printf("%s: Rx FIFO underrun.\n", __FUNCTION__); 1858 break; 1859 case ICSR0: 1860 return s->status[0]; 1861 case ICSR1: 1862 return s->status[1] | (1 << 3); /* TNF */ 1863 case ICFOR: 1864 return s->rx_len; 1865 default: 1866 printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr); 1867 break; 1868 } 1869 return 0; 1870 } 1871 1872 static void pxa2xx_fir_write(void *opaque, hwaddr addr, 1873 uint64_t value64, unsigned size) 1874 { 1875 PXA2xxFIrState *s = (PXA2xxFIrState *) opaque; 1876 uint32_t value = value64; 1877 uint8_t ch; 1878 1879 switch (addr) { 1880 case ICCR0: 1881 s->control[0] = value; 1882 if (!(value & (1 << 4))) /* RXE */ 1883 s->rx_len = s->rx_start = 0; 1884 if (!(value & (1 << 3))) { /* TXE */ 1885 /* Nop */ 1886 } 1887 s->enable = value & 1; /* ITR */ 1888 if (!s->enable) 1889 s->status[0] = 0; 1890 pxa2xx_fir_update(s); 1891 break; 1892 case ICCR1: 1893 s->control[1] = value; 1894 break; 1895 case ICCR2: 1896 s->control[2] = value & 0x3f; 1897 pxa2xx_fir_update(s); 1898 break; 1899 case ICDR: 1900 if (s->control[2] & (1 << 2)) /* TXP */ 1901 ch = value; 1902 else 1903 ch = ~value; 1904 if (s->chr && s->enable && (s->control[0] & (1 << 3))) /* TXE */ 1905 qemu_chr_fe_write(s->chr, &ch, 1); 1906 break; 1907 case ICSR0: 1908 s->status[0] &= ~(value & 0x66); 1909 pxa2xx_fir_update(s); 1910 break; 1911 case ICFOR: 1912 break; 1913 default: 1914 printf("%s: Bad register " REG_FMT "\n", __FUNCTION__, addr); 1915 } 1916 } 1917 1918 static const MemoryRegionOps pxa2xx_fir_ops = { 1919 .read = pxa2xx_fir_read, 1920 .write = pxa2xx_fir_write, 1921 .endianness = DEVICE_NATIVE_ENDIAN, 1922 }; 1923 1924 static int pxa2xx_fir_is_empty(void *opaque) 1925 { 1926 PXA2xxFIrState *s = (PXA2xxFIrState *) opaque; 1927 return (s->rx_len < 64); 1928 } 1929 1930 static void pxa2xx_fir_rx(void *opaque, const uint8_t *buf, int size) 1931 { 1932 PXA2xxFIrState *s = (PXA2xxFIrState *) opaque; 1933 if (!(s->control[0] & (1 << 4))) /* RXE */ 1934 return; 1935 1936 while (size --) { 1937 s->status[1] |= 1 << 4; /* EOF */ 1938 if (s->rx_len >= 64) { 1939 s->status[1] |= 1 << 6; /* ROR */ 1940 break; 1941 } 1942 1943 if (s->control[2] & (1 << 3)) /* RXP */ 1944 s->rx_fifo[(s->rx_start + s->rx_len ++) & 63] = *(buf ++); 1945 else 1946 s->rx_fifo[(s->rx_start + s->rx_len ++) & 63] = ~*(buf ++); 1947 } 1948 1949 pxa2xx_fir_update(s); 1950 } 1951 1952 static void pxa2xx_fir_event(void *opaque, int event) 1953 { 1954 } 1955 1956 static void pxa2xx_fir_instance_init(Object *obj) 1957 { 1958 PXA2xxFIrState *s = PXA2XX_FIR(obj); 1959 SysBusDevice *sbd = SYS_BUS_DEVICE(obj); 1960 1961 memory_region_init_io(&s->iomem, NULL, &pxa2xx_fir_ops, s, 1962 "pxa2xx-fir", 0x1000); 1963 sysbus_init_mmio(sbd, &s->iomem); 1964 sysbus_init_irq(sbd, &s->irq); 1965 sysbus_init_irq(sbd, &s->rx_dma); 1966 sysbus_init_irq(sbd, &s->tx_dma); 1967 } 1968 1969 static void pxa2xx_fir_realize(DeviceState *dev, Error **errp) 1970 { 1971 PXA2xxFIrState *s = PXA2XX_FIR(dev); 1972 1973 if (s->chr) { 1974 qemu_chr_fe_claim_no_fail(s->chr); 1975 qemu_chr_add_handlers(s->chr, pxa2xx_fir_is_empty, 1976 pxa2xx_fir_rx, pxa2xx_fir_event, s); 1977 } 1978 } 1979 1980 static bool pxa2xx_fir_vmstate_validate(void *opaque, int version_id) 1981 { 1982 PXA2xxFIrState *s = opaque; 1983 1984 return s->rx_start < ARRAY_SIZE(s->rx_fifo); 1985 } 1986 1987 static const VMStateDescription pxa2xx_fir_vmsd = { 1988 .name = "pxa2xx-fir", 1989 .version_id = 1, 1990 .minimum_version_id = 1, 1991 .fields = (VMStateField[]) { 1992 VMSTATE_UINT32(enable, PXA2xxFIrState), 1993 VMSTATE_UINT8_ARRAY(control, PXA2xxFIrState, 3), 1994 VMSTATE_UINT8_ARRAY(status, PXA2xxFIrState, 2), 1995 VMSTATE_UINT32(rx_len, PXA2xxFIrState), 1996 VMSTATE_UINT32(rx_start, PXA2xxFIrState), 1997 VMSTATE_VALIDATE("fifo is 64 bytes", pxa2xx_fir_vmstate_validate), 1998 VMSTATE_UINT8_ARRAY(rx_fifo, PXA2xxFIrState, 64), 1999 VMSTATE_END_OF_LIST() 2000 } 2001 }; 2002 2003 static Property pxa2xx_fir_properties[] = { 2004 DEFINE_PROP_CHR("chardev", PXA2xxFIrState, chr), 2005 DEFINE_PROP_END_OF_LIST(), 2006 }; 2007 2008 static void pxa2xx_fir_class_init(ObjectClass *klass, void *data) 2009 { 2010 DeviceClass *dc = DEVICE_CLASS(klass); 2011 2012 dc->realize = pxa2xx_fir_realize; 2013 dc->vmsd = &pxa2xx_fir_vmsd; 2014 dc->props = pxa2xx_fir_properties; 2015 dc->reset = pxa2xx_fir_reset; 2016 } 2017 2018 static const TypeInfo pxa2xx_fir_info = { 2019 .name = TYPE_PXA2XX_FIR, 2020 .parent = TYPE_SYS_BUS_DEVICE, 2021 .instance_size = sizeof(PXA2xxFIrState), 2022 .class_init = pxa2xx_fir_class_init, 2023 .instance_init = pxa2xx_fir_instance_init, 2024 }; 2025 2026 static PXA2xxFIrState *pxa2xx_fir_init(MemoryRegion *sysmem, 2027 hwaddr base, 2028 qemu_irq irq, qemu_irq rx_dma, 2029 qemu_irq tx_dma, 2030 CharDriverState *chr) 2031 { 2032 DeviceState *dev; 2033 SysBusDevice *sbd; 2034 2035 dev = qdev_create(NULL, TYPE_PXA2XX_FIR); 2036 qdev_prop_set_chr(dev, "chardev", chr); 2037 qdev_init_nofail(dev); 2038 sbd = SYS_BUS_DEVICE(dev); 2039 sysbus_mmio_map(sbd, 0, base); 2040 sysbus_connect_irq(sbd, 0, irq); 2041 sysbus_connect_irq(sbd, 1, rx_dma); 2042 sysbus_connect_irq(sbd, 2, tx_dma); 2043 return PXA2XX_FIR(dev); 2044 } 2045 2046 static void pxa2xx_reset(void *opaque, int line, int level) 2047 { 2048 PXA2xxState *s = (PXA2xxState *) opaque; 2049 2050 if (level && (s->pm_regs[PCFR >> 2] & 0x10)) { /* GPR_EN */ 2051 cpu_reset(CPU(s->cpu)); 2052 /* TODO: reset peripherals */ 2053 } 2054 } 2055 2056 /* Initialise a PXA270 integrated chip (ARM based core). */ 2057 PXA2xxState *pxa270_init(MemoryRegion *address_space, 2058 unsigned int sdram_size, const char *revision) 2059 { 2060 PXA2xxState *s; 2061 int i; 2062 DriveInfo *dinfo; 2063 s = g_new0(PXA2xxState, 1); 2064 2065 if (revision && strncmp(revision, "pxa27", 5)) { 2066 fprintf(stderr, "Machine requires a PXA27x processor.\n"); 2067 exit(1); 2068 } 2069 if (!revision) 2070 revision = "pxa270"; 2071 2072 s->cpu = cpu_arm_init(revision); 2073 if (s->cpu == NULL) { 2074 fprintf(stderr, "Unable to find CPU definition\n"); 2075 exit(1); 2076 } 2077 s->reset = qemu_allocate_irq(pxa2xx_reset, s, 0); 2078 2079 /* SDRAM & Internal Memory Storage */ 2080 memory_region_init_ram(&s->sdram, NULL, "pxa270.sdram", sdram_size, 2081 &error_abort); 2082 vmstate_register_ram_global(&s->sdram); 2083 memory_region_add_subregion(address_space, PXA2XX_SDRAM_BASE, &s->sdram); 2084 memory_region_init_ram(&s->internal, NULL, "pxa270.internal", 0x40000, 2085 &error_abort); 2086 vmstate_register_ram_global(&s->internal); 2087 memory_region_add_subregion(address_space, PXA2XX_INTERNAL_BASE, 2088 &s->internal); 2089 2090 s->pic = pxa2xx_pic_init(0x40d00000, s->cpu); 2091 2092 s->dma = pxa27x_dma_init(0x40000000, 2093 qdev_get_gpio_in(s->pic, PXA2XX_PIC_DMA)); 2094 2095 sysbus_create_varargs("pxa27x-timer", 0x40a00000, 2096 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 0), 2097 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 1), 2098 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 2), 2099 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 3), 2100 qdev_get_gpio_in(s->pic, PXA27X_PIC_OST_4_11), 2101 NULL); 2102 2103 s->gpio = pxa2xx_gpio_init(0x40e00000, s->cpu, s->pic, 121); 2104 2105 dinfo = drive_get(IF_SD, 0, 0); 2106 if (!dinfo) { 2107 fprintf(stderr, "qemu: missing SecureDigital device\n"); 2108 exit(1); 2109 } 2110 s->mmc = pxa2xx_mmci_init(address_space, 0x41100000, 2111 blk_by_legacy_dinfo(dinfo), 2112 qdev_get_gpio_in(s->pic, PXA2XX_PIC_MMC), 2113 qdev_get_gpio_in(s->dma, PXA2XX_RX_RQ_MMCI), 2114 qdev_get_gpio_in(s->dma, PXA2XX_TX_RQ_MMCI)); 2115 2116 for (i = 0; pxa270_serial[i].io_base; i++) { 2117 if (serial_hds[i]) { 2118 serial_mm_init(address_space, pxa270_serial[i].io_base, 2, 2119 qdev_get_gpio_in(s->pic, pxa270_serial[i].irqn), 2120 14857000 / 16, serial_hds[i], 2121 DEVICE_NATIVE_ENDIAN); 2122 } else { 2123 break; 2124 } 2125 } 2126 if (serial_hds[i]) 2127 s->fir = pxa2xx_fir_init(address_space, 0x40800000, 2128 qdev_get_gpio_in(s->pic, PXA2XX_PIC_ICP), 2129 qdev_get_gpio_in(s->dma, PXA2XX_RX_RQ_ICP), 2130 qdev_get_gpio_in(s->dma, PXA2XX_TX_RQ_ICP), 2131 serial_hds[i]); 2132 2133 s->lcd = pxa2xx_lcdc_init(address_space, 0x44000000, 2134 qdev_get_gpio_in(s->pic, PXA2XX_PIC_LCD)); 2135 2136 s->cm_base = 0x41300000; 2137 s->cm_regs[CCCR >> 2] = 0x02000210; /* 416.0 MHz */ 2138 s->clkcfg = 0x00000009; /* Turbo mode active */ 2139 memory_region_init_io(&s->cm_iomem, NULL, &pxa2xx_cm_ops, s, "pxa2xx-cm", 0x1000); 2140 memory_region_add_subregion(address_space, s->cm_base, &s->cm_iomem); 2141 vmstate_register(NULL, 0, &vmstate_pxa2xx_cm, s); 2142 2143 pxa2xx_setup_cp14(s); 2144 2145 s->mm_base = 0x48000000; 2146 s->mm_regs[MDMRS >> 2] = 0x00020002; 2147 s->mm_regs[MDREFR >> 2] = 0x03ca4000; 2148 s->mm_regs[MECR >> 2] = 0x00000001; /* Two PC Card sockets */ 2149 memory_region_init_io(&s->mm_iomem, NULL, &pxa2xx_mm_ops, s, "pxa2xx-mm", 0x1000); 2150 memory_region_add_subregion(address_space, s->mm_base, &s->mm_iomem); 2151 vmstate_register(NULL, 0, &vmstate_pxa2xx_mm, s); 2152 2153 s->pm_base = 0x40f00000; 2154 memory_region_init_io(&s->pm_iomem, NULL, &pxa2xx_pm_ops, s, "pxa2xx-pm", 0x100); 2155 memory_region_add_subregion(address_space, s->pm_base, &s->pm_iomem); 2156 vmstate_register(NULL, 0, &vmstate_pxa2xx_pm, s); 2157 2158 for (i = 0; pxa27x_ssp[i].io_base; i ++); 2159 s->ssp = g_new0(SSIBus *, i); 2160 for (i = 0; pxa27x_ssp[i].io_base; i ++) { 2161 DeviceState *dev; 2162 dev = sysbus_create_simple(TYPE_PXA2XX_SSP, pxa27x_ssp[i].io_base, 2163 qdev_get_gpio_in(s->pic, pxa27x_ssp[i].irqn)); 2164 s->ssp[i] = (SSIBus *)qdev_get_child_bus(dev, "ssi"); 2165 } 2166 2167 if (usb_enabled()) { 2168 sysbus_create_simple("sysbus-ohci", 0x4c000000, 2169 qdev_get_gpio_in(s->pic, PXA2XX_PIC_USBH1)); 2170 } 2171 2172 s->pcmcia[0] = pxa2xx_pcmcia_init(address_space, 0x20000000); 2173 s->pcmcia[1] = pxa2xx_pcmcia_init(address_space, 0x30000000); 2174 2175 sysbus_create_simple(TYPE_PXA2XX_RTC, 0x40900000, 2176 qdev_get_gpio_in(s->pic, PXA2XX_PIC_RTCALARM)); 2177 2178 s->i2c[0] = pxa2xx_i2c_init(0x40301600, 2179 qdev_get_gpio_in(s->pic, PXA2XX_PIC_I2C), 0xffff); 2180 s->i2c[1] = pxa2xx_i2c_init(0x40f00100, 2181 qdev_get_gpio_in(s->pic, PXA2XX_PIC_PWRI2C), 0xff); 2182 2183 s->i2s = pxa2xx_i2s_init(address_space, 0x40400000, 2184 qdev_get_gpio_in(s->pic, PXA2XX_PIC_I2S), 2185 qdev_get_gpio_in(s->dma, PXA2XX_RX_RQ_I2S), 2186 qdev_get_gpio_in(s->dma, PXA2XX_TX_RQ_I2S)); 2187 2188 s->kp = pxa27x_keypad_init(address_space, 0x41500000, 2189 qdev_get_gpio_in(s->pic, PXA2XX_PIC_KEYPAD)); 2190 2191 /* GPIO1 resets the processor */ 2192 /* The handler can be overridden by board-specific code */ 2193 qdev_connect_gpio_out(s->gpio, 1, s->reset); 2194 return s; 2195 } 2196 2197 /* Initialise a PXA255 integrated chip (ARM based core). */ 2198 PXA2xxState *pxa255_init(MemoryRegion *address_space, unsigned int sdram_size) 2199 { 2200 PXA2xxState *s; 2201 int i; 2202 DriveInfo *dinfo; 2203 2204 s = g_new0(PXA2xxState, 1); 2205 2206 s->cpu = cpu_arm_init("pxa255"); 2207 if (s->cpu == NULL) { 2208 fprintf(stderr, "Unable to find CPU definition\n"); 2209 exit(1); 2210 } 2211 s->reset = qemu_allocate_irq(pxa2xx_reset, s, 0); 2212 2213 /* SDRAM & Internal Memory Storage */ 2214 memory_region_init_ram(&s->sdram, NULL, "pxa255.sdram", sdram_size, 2215 &error_abort); 2216 vmstate_register_ram_global(&s->sdram); 2217 memory_region_add_subregion(address_space, PXA2XX_SDRAM_BASE, &s->sdram); 2218 memory_region_init_ram(&s->internal, NULL, "pxa255.internal", 2219 PXA2XX_INTERNAL_SIZE, &error_abort); 2220 vmstate_register_ram_global(&s->internal); 2221 memory_region_add_subregion(address_space, PXA2XX_INTERNAL_BASE, 2222 &s->internal); 2223 2224 s->pic = pxa2xx_pic_init(0x40d00000, s->cpu); 2225 2226 s->dma = pxa255_dma_init(0x40000000, 2227 qdev_get_gpio_in(s->pic, PXA2XX_PIC_DMA)); 2228 2229 sysbus_create_varargs("pxa25x-timer", 0x40a00000, 2230 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 0), 2231 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 1), 2232 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 2), 2233 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 3), 2234 NULL); 2235 2236 s->gpio = pxa2xx_gpio_init(0x40e00000, s->cpu, s->pic, 85); 2237 2238 dinfo = drive_get(IF_SD, 0, 0); 2239 if (!dinfo) { 2240 fprintf(stderr, "qemu: missing SecureDigital device\n"); 2241 exit(1); 2242 } 2243 s->mmc = pxa2xx_mmci_init(address_space, 0x41100000, 2244 blk_by_legacy_dinfo(dinfo), 2245 qdev_get_gpio_in(s->pic, PXA2XX_PIC_MMC), 2246 qdev_get_gpio_in(s->dma, PXA2XX_RX_RQ_MMCI), 2247 qdev_get_gpio_in(s->dma, PXA2XX_TX_RQ_MMCI)); 2248 2249 for (i = 0; pxa255_serial[i].io_base; i++) { 2250 if (serial_hds[i]) { 2251 serial_mm_init(address_space, pxa255_serial[i].io_base, 2, 2252 qdev_get_gpio_in(s->pic, pxa255_serial[i].irqn), 2253 14745600 / 16, serial_hds[i], 2254 DEVICE_NATIVE_ENDIAN); 2255 } else { 2256 break; 2257 } 2258 } 2259 if (serial_hds[i]) 2260 s->fir = pxa2xx_fir_init(address_space, 0x40800000, 2261 qdev_get_gpio_in(s->pic, PXA2XX_PIC_ICP), 2262 qdev_get_gpio_in(s->dma, PXA2XX_RX_RQ_ICP), 2263 qdev_get_gpio_in(s->dma, PXA2XX_TX_RQ_ICP), 2264 serial_hds[i]); 2265 2266 s->lcd = pxa2xx_lcdc_init(address_space, 0x44000000, 2267 qdev_get_gpio_in(s->pic, PXA2XX_PIC_LCD)); 2268 2269 s->cm_base = 0x41300000; 2270 s->cm_regs[CCCR >> 2] = 0x02000210; /* 416.0 MHz */ 2271 s->clkcfg = 0x00000009; /* Turbo mode active */ 2272 memory_region_init_io(&s->cm_iomem, NULL, &pxa2xx_cm_ops, s, "pxa2xx-cm", 0x1000); 2273 memory_region_add_subregion(address_space, s->cm_base, &s->cm_iomem); 2274 vmstate_register(NULL, 0, &vmstate_pxa2xx_cm, s); 2275 2276 pxa2xx_setup_cp14(s); 2277 2278 s->mm_base = 0x48000000; 2279 s->mm_regs[MDMRS >> 2] = 0x00020002; 2280 s->mm_regs[MDREFR >> 2] = 0x03ca4000; 2281 s->mm_regs[MECR >> 2] = 0x00000001; /* Two PC Card sockets */ 2282 memory_region_init_io(&s->mm_iomem, NULL, &pxa2xx_mm_ops, s, "pxa2xx-mm", 0x1000); 2283 memory_region_add_subregion(address_space, s->mm_base, &s->mm_iomem); 2284 vmstate_register(NULL, 0, &vmstate_pxa2xx_mm, s); 2285 2286 s->pm_base = 0x40f00000; 2287 memory_region_init_io(&s->pm_iomem, NULL, &pxa2xx_pm_ops, s, "pxa2xx-pm", 0x100); 2288 memory_region_add_subregion(address_space, s->pm_base, &s->pm_iomem); 2289 vmstate_register(NULL, 0, &vmstate_pxa2xx_pm, s); 2290 2291 for (i = 0; pxa255_ssp[i].io_base; i ++); 2292 s->ssp = g_new0(SSIBus *, i); 2293 for (i = 0; pxa255_ssp[i].io_base; i ++) { 2294 DeviceState *dev; 2295 dev = sysbus_create_simple(TYPE_PXA2XX_SSP, pxa255_ssp[i].io_base, 2296 qdev_get_gpio_in(s->pic, pxa255_ssp[i].irqn)); 2297 s->ssp[i] = (SSIBus *)qdev_get_child_bus(dev, "ssi"); 2298 } 2299 2300 if (usb_enabled()) { 2301 sysbus_create_simple("sysbus-ohci", 0x4c000000, 2302 qdev_get_gpio_in(s->pic, PXA2XX_PIC_USBH1)); 2303 } 2304 2305 s->pcmcia[0] = pxa2xx_pcmcia_init(address_space, 0x20000000); 2306 s->pcmcia[1] = pxa2xx_pcmcia_init(address_space, 0x30000000); 2307 2308 sysbus_create_simple(TYPE_PXA2XX_RTC, 0x40900000, 2309 qdev_get_gpio_in(s->pic, PXA2XX_PIC_RTCALARM)); 2310 2311 s->i2c[0] = pxa2xx_i2c_init(0x40301600, 2312 qdev_get_gpio_in(s->pic, PXA2XX_PIC_I2C), 0xffff); 2313 s->i2c[1] = pxa2xx_i2c_init(0x40f00100, 2314 qdev_get_gpio_in(s->pic, PXA2XX_PIC_PWRI2C), 0xff); 2315 2316 s->i2s = pxa2xx_i2s_init(address_space, 0x40400000, 2317 qdev_get_gpio_in(s->pic, PXA2XX_PIC_I2S), 2318 qdev_get_gpio_in(s->dma, PXA2XX_RX_RQ_I2S), 2319 qdev_get_gpio_in(s->dma, PXA2XX_TX_RQ_I2S)); 2320 2321 /* GPIO1 resets the processor */ 2322 /* The handler can be overridden by board-specific code */ 2323 qdev_connect_gpio_out(s->gpio, 1, s->reset); 2324 return s; 2325 } 2326 2327 static void pxa2xx_ssp_class_init(ObjectClass *klass, void *data) 2328 { 2329 SysBusDeviceClass *sdc = SYS_BUS_DEVICE_CLASS(klass); 2330 DeviceClass *dc = DEVICE_CLASS(klass); 2331 2332 sdc->init = pxa2xx_ssp_init; 2333 dc->reset = pxa2xx_ssp_reset; 2334 dc->vmsd = &vmstate_pxa2xx_ssp; 2335 } 2336 2337 static const TypeInfo pxa2xx_ssp_info = { 2338 .name = TYPE_PXA2XX_SSP, 2339 .parent = TYPE_SYS_BUS_DEVICE, 2340 .instance_size = sizeof(PXA2xxSSPState), 2341 .class_init = pxa2xx_ssp_class_init, 2342 }; 2343 2344 static void pxa2xx_register_types(void) 2345 { 2346 type_register_static(&pxa2xx_i2c_slave_info); 2347 type_register_static(&pxa2xx_ssp_info); 2348 type_register_static(&pxa2xx_i2c_info); 2349 type_register_static(&pxa2xx_rtc_sysbus_info); 2350 type_register_static(&pxa2xx_fir_info); 2351 } 2352 2353 type_init(pxa2xx_register_types) 2354