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 "qemu/osdep.h" 11 #include "qemu/error-report.h" 12 #include "qemu/module.h" 13 #include "qapi/error.h" 14 #include "exec/address-spaces.h" 15 #include "cpu.h" 16 #include "hw/sysbus.h" 17 #include "migration/vmstate.h" 18 #include "hw/arm/pxa.h" 19 #include "sysemu/sysemu.h" 20 #include "hw/char/serial.h" 21 #include "hw/i2c/i2c.h" 22 #include "hw/irq.h" 23 #include "hw/qdev-properties.h" 24 #include "hw/qdev-properties-system.h" 25 #include "hw/ssi/ssi.h" 26 #include "hw/sd/sd.h" 27 #include "chardev/char-fe.h" 28 #include "sysemu/blockdev.h" 29 #include "sysemu/qtest.h" 30 #include "sysemu/rtc.h" 31 #include "qemu/cutils.h" 32 #include "qemu/log.h" 33 #include "qom/object.h" 34 #include "target/arm/cpregs.h" 35 36 static struct { 37 hwaddr io_base; 38 int irqn; 39 } pxa255_serial[] = { 40 { 0x40100000, PXA2XX_PIC_FFUART }, 41 { 0x40200000, PXA2XX_PIC_BTUART }, 42 { 0x40700000, PXA2XX_PIC_STUART }, 43 { 0x41600000, PXA25X_PIC_HWUART }, 44 { 0, 0 } 45 }, pxa270_serial[] = { 46 { 0x40100000, PXA2XX_PIC_FFUART }, 47 { 0x40200000, PXA2XX_PIC_BTUART }, 48 { 0x40700000, PXA2XX_PIC_STUART }, 49 { 0, 0 } 50 }; 51 52 typedef struct PXASSPDef { 53 hwaddr io_base; 54 int irqn; 55 } PXASSPDef; 56 57 #if 0 58 static PXASSPDef pxa250_ssp[] = { 59 { 0x41000000, PXA2XX_PIC_SSP }, 60 { 0, 0 } 61 }; 62 #endif 63 64 static PXASSPDef pxa255_ssp[] = { 65 { 0x41000000, PXA2XX_PIC_SSP }, 66 { 0x41400000, PXA25X_PIC_NSSP }, 67 { 0, 0 } 68 }; 69 70 #if 0 71 static PXASSPDef pxa26x_ssp[] = { 72 { 0x41000000, PXA2XX_PIC_SSP }, 73 { 0x41400000, PXA25X_PIC_NSSP }, 74 { 0x41500000, PXA26X_PIC_ASSP }, 75 { 0, 0 } 76 }; 77 #endif 78 79 static PXASSPDef pxa27x_ssp[] = { 80 { 0x41000000, PXA2XX_PIC_SSP }, 81 { 0x41700000, PXA27X_PIC_SSP2 }, 82 { 0x41900000, PXA2XX_PIC_SSP3 }, 83 { 0, 0 } 84 }; 85 86 #define PMCR 0x00 /* Power Manager Control register */ 87 #define PSSR 0x04 /* Power Manager Sleep Status register */ 88 #define PSPR 0x08 /* Power Manager Scratch-Pad register */ 89 #define PWER 0x0c /* Power Manager Wake-Up Enable register */ 90 #define PRER 0x10 /* Power Manager Rising-Edge Detect Enable register */ 91 #define PFER 0x14 /* Power Manager Falling-Edge Detect Enable register */ 92 #define PEDR 0x18 /* Power Manager Edge-Detect Status register */ 93 #define PCFR 0x1c /* Power Manager General Configuration register */ 94 #define PGSR0 0x20 /* Power Manager GPIO Sleep-State register 0 */ 95 #define PGSR1 0x24 /* Power Manager GPIO Sleep-State register 1 */ 96 #define PGSR2 0x28 /* Power Manager GPIO Sleep-State register 2 */ 97 #define PGSR3 0x2c /* Power Manager GPIO Sleep-State register 3 */ 98 #define RCSR 0x30 /* Reset Controller Status register */ 99 #define PSLR 0x34 /* Power Manager Sleep Configuration register */ 100 #define PTSR 0x38 /* Power Manager Standby Configuration register */ 101 #define PVCR 0x40 /* Power Manager Voltage Change Control register */ 102 #define PUCR 0x4c /* Power Manager USIM Card Control/Status register */ 103 #define PKWR 0x50 /* Power Manager Keyboard Wake-Up Enable register */ 104 #define PKSR 0x54 /* Power Manager Keyboard Level-Detect Status */ 105 #define PCMD0 0x80 /* Power Manager I2C Command register File 0 */ 106 #define PCMD31 0xfc /* Power Manager I2C Command register File 31 */ 107 108 static uint64_t pxa2xx_pm_read(void *opaque, hwaddr addr, 109 unsigned size) 110 { 111 PXA2xxState *s = (PXA2xxState *) opaque; 112 113 switch (addr) { 114 case PMCR ... PCMD31: 115 if (addr & 3) 116 goto fail; 117 118 return s->pm_regs[addr >> 2]; 119 default: 120 fail: 121 qemu_log_mask(LOG_GUEST_ERROR, 122 "%s: Bad read offset 0x%"HWADDR_PRIx"\n", 123 __func__, addr); 124 break; 125 } 126 return 0; 127 } 128 129 static void pxa2xx_pm_write(void *opaque, hwaddr addr, 130 uint64_t value, unsigned size) 131 { 132 PXA2xxState *s = (PXA2xxState *) opaque; 133 134 switch (addr) { 135 case PMCR: 136 /* Clear the write-one-to-clear bits... */ 137 s->pm_regs[addr >> 2] &= ~(value & 0x2a); 138 /* ...and set the plain r/w bits */ 139 s->pm_regs[addr >> 2] &= ~0x15; 140 s->pm_regs[addr >> 2] |= value & 0x15; 141 break; 142 143 case PSSR: /* Read-clean registers */ 144 case RCSR: 145 case PKSR: 146 s->pm_regs[addr >> 2] &= ~value; 147 break; 148 149 default: /* Read-write registers */ 150 if (!(addr & 3)) { 151 s->pm_regs[addr >> 2] = value; 152 break; 153 } 154 qemu_log_mask(LOG_GUEST_ERROR, 155 "%s: Bad write offset 0x%"HWADDR_PRIx"\n", 156 __func__, addr); 157 break; 158 } 159 } 160 161 static const MemoryRegionOps pxa2xx_pm_ops = { 162 .read = pxa2xx_pm_read, 163 .write = pxa2xx_pm_write, 164 .endianness = DEVICE_NATIVE_ENDIAN, 165 }; 166 167 static const VMStateDescription vmstate_pxa2xx_pm = { 168 .name = "pxa2xx_pm", 169 .version_id = 0, 170 .minimum_version_id = 0, 171 .fields = (const VMStateField[]) { 172 VMSTATE_UINT32_ARRAY(pm_regs, PXA2xxState, 0x40), 173 VMSTATE_END_OF_LIST() 174 } 175 }; 176 177 #define CCCR 0x00 /* Core Clock Configuration register */ 178 #define CKEN 0x04 /* Clock Enable register */ 179 #define OSCC 0x08 /* Oscillator Configuration register */ 180 #define CCSR 0x0c /* Core Clock Status register */ 181 182 static uint64_t pxa2xx_cm_read(void *opaque, hwaddr addr, 183 unsigned size) 184 { 185 PXA2xxState *s = (PXA2xxState *) opaque; 186 187 switch (addr) { 188 case CCCR: 189 case CKEN: 190 case OSCC: 191 return s->cm_regs[addr >> 2]; 192 193 case CCSR: 194 return s->cm_regs[CCCR >> 2] | (3 << 28); 195 196 default: 197 qemu_log_mask(LOG_GUEST_ERROR, 198 "%s: Bad read offset 0x%"HWADDR_PRIx"\n", 199 __func__, addr); 200 break; 201 } 202 return 0; 203 } 204 205 static void pxa2xx_cm_write(void *opaque, hwaddr addr, 206 uint64_t value, unsigned size) 207 { 208 PXA2xxState *s = (PXA2xxState *) opaque; 209 210 switch (addr) { 211 case CCCR: 212 case CKEN: 213 s->cm_regs[addr >> 2] = value; 214 break; 215 216 case OSCC: 217 s->cm_regs[addr >> 2] &= ~0x6c; 218 s->cm_regs[addr >> 2] |= value & 0x6e; 219 if ((value >> 1) & 1) /* OON */ 220 s->cm_regs[addr >> 2] |= 1 << 0; /* Oscillator is now stable */ 221 break; 222 223 default: 224 qemu_log_mask(LOG_GUEST_ERROR, 225 "%s: Bad write offset 0x%"HWADDR_PRIx"\n", 226 __func__, addr); 227 break; 228 } 229 } 230 231 static const MemoryRegionOps pxa2xx_cm_ops = { 232 .read = pxa2xx_cm_read, 233 .write = pxa2xx_cm_write, 234 .endianness = DEVICE_NATIVE_ENDIAN, 235 }; 236 237 static const VMStateDescription vmstate_pxa2xx_cm = { 238 .name = "pxa2xx_cm", 239 .version_id = 0, 240 .minimum_version_id = 0, 241 .fields = (const VMStateField[]) { 242 VMSTATE_UINT32_ARRAY(cm_regs, PXA2xxState, 4), 243 VMSTATE_UINT32(clkcfg, PXA2xxState), 244 VMSTATE_UINT32(pmnc, PXA2xxState), 245 VMSTATE_END_OF_LIST() 246 } 247 }; 248 249 static uint64_t pxa2xx_clkcfg_read(CPUARMState *env, const ARMCPRegInfo *ri) 250 { 251 PXA2xxState *s = (PXA2xxState *)ri->opaque; 252 return s->clkcfg; 253 } 254 255 static void pxa2xx_clkcfg_write(CPUARMState *env, const ARMCPRegInfo *ri, 256 uint64_t value) 257 { 258 PXA2xxState *s = (PXA2xxState *)ri->opaque; 259 s->clkcfg = value & 0xf; 260 if (value & 2) { 261 printf("%s: CPU frequency change attempt\n", __func__); 262 } 263 } 264 265 static void pxa2xx_pwrmode_write(CPUARMState *env, const ARMCPRegInfo *ri, 266 uint64_t value) 267 { 268 PXA2xxState *s = (PXA2xxState *)ri->opaque; 269 static const char *pwrmode[8] = { 270 "Normal", "Idle", "Deep-idle", "Standby", 271 "Sleep", "reserved (!)", "reserved (!)", "Deep-sleep", 272 }; 273 274 if (value & 8) { 275 printf("%s: CPU voltage change attempt\n", __func__); 276 } 277 switch (value & 7) { 278 case 0: 279 /* Do nothing */ 280 break; 281 282 case 1: 283 /* Idle */ 284 if (!(s->cm_regs[CCCR >> 2] & (1U << 31))) { /* CPDIS */ 285 cpu_interrupt(CPU(s->cpu), CPU_INTERRUPT_HALT); 286 break; 287 } 288 /* Fall through. */ 289 290 case 2: 291 /* Deep-Idle */ 292 cpu_interrupt(CPU(s->cpu), CPU_INTERRUPT_HALT); 293 s->pm_regs[RCSR >> 2] |= 0x8; /* Set GPR */ 294 goto message; 295 296 case 3: 297 s->cpu->env.uncached_cpsr = ARM_CPU_MODE_SVC; 298 s->cpu->env.daif = PSTATE_A | PSTATE_F | PSTATE_I; 299 s->cpu->env.cp15.sctlr_ns = 0; 300 s->cpu->env.cp15.cpacr_el1 = 0; 301 s->cpu->env.cp15.ttbr0_el[1] = 0; 302 s->cpu->env.cp15.dacr_ns = 0; 303 s->pm_regs[PSSR >> 2] |= 0x8; /* Set STS */ 304 s->pm_regs[RCSR >> 2] |= 0x8; /* Set GPR */ 305 306 /* 307 * The scratch-pad register is almost universally used 308 * for storing the return address on suspend. For the 309 * lack of a resuming bootloader, perform a jump 310 * directly to that address. 311 */ 312 memset(s->cpu->env.regs, 0, 4 * 15); 313 s->cpu->env.regs[15] = s->pm_regs[PSPR >> 2]; 314 315 #if 0 316 buffer = 0xe59ff000; /* ldr pc, [pc, #0] */ 317 cpu_physical_memory_write(0, &buffer, 4); 318 buffer = s->pm_regs[PSPR >> 2]; 319 cpu_physical_memory_write(8, &buffer, 4); 320 #endif 321 322 /* Suspend */ 323 cpu_interrupt(current_cpu, CPU_INTERRUPT_HALT); 324 325 goto message; 326 327 default: 328 message: 329 printf("%s: machine entered %s mode\n", __func__, 330 pwrmode[value & 7]); 331 } 332 } 333 334 static uint64_t pxa2xx_cppmnc_read(CPUARMState *env, const ARMCPRegInfo *ri) 335 { 336 PXA2xxState *s = (PXA2xxState *)ri->opaque; 337 return s->pmnc; 338 } 339 340 static void pxa2xx_cppmnc_write(CPUARMState *env, const ARMCPRegInfo *ri, 341 uint64_t value) 342 { 343 PXA2xxState *s = (PXA2xxState *)ri->opaque; 344 s->pmnc = value; 345 } 346 347 static uint64_t pxa2xx_cpccnt_read(CPUARMState *env, const ARMCPRegInfo *ri) 348 { 349 PXA2xxState *s = (PXA2xxState *)ri->opaque; 350 if (s->pmnc & 1) { 351 return qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); 352 } else { 353 return 0; 354 } 355 } 356 357 static const ARMCPRegInfo pxa_cp_reginfo[] = { 358 /* cp14 crm==1: perf registers */ 359 { .name = "CPPMNC", .cp = 14, .crn = 0, .crm = 1, .opc1 = 0, .opc2 = 0, 360 .access = PL1_RW, .type = ARM_CP_IO, 361 .readfn = pxa2xx_cppmnc_read, .writefn = pxa2xx_cppmnc_write }, 362 { .name = "CPCCNT", .cp = 14, .crn = 1, .crm = 1, .opc1 = 0, .opc2 = 0, 363 .access = PL1_RW, .type = ARM_CP_IO, 364 .readfn = pxa2xx_cpccnt_read, .writefn = arm_cp_write_ignore }, 365 { .name = "CPINTEN", .cp = 14, .crn = 4, .crm = 1, .opc1 = 0, .opc2 = 0, 366 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 }, 367 { .name = "CPFLAG", .cp = 14, .crn = 5, .crm = 1, .opc1 = 0, .opc2 = 0, 368 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 }, 369 { .name = "CPEVTSEL", .cp = 14, .crn = 8, .crm = 1, .opc1 = 0, .opc2 = 0, 370 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 }, 371 /* cp14 crm==2: performance count registers */ 372 { .name = "CPPMN0", .cp = 14, .crn = 0, .crm = 2, .opc1 = 0, .opc2 = 0, 373 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 }, 374 { .name = "CPPMN1", .cp = 14, .crn = 1, .crm = 2, .opc1 = 0, .opc2 = 0, 375 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 }, 376 { .name = "CPPMN2", .cp = 14, .crn = 2, .crm = 2, .opc1 = 0, .opc2 = 0, 377 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 }, 378 { .name = "CPPMN3", .cp = 14, .crn = 2, .crm = 3, .opc1 = 0, .opc2 = 0, 379 .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 }, 380 /* cp14 crn==6: CLKCFG */ 381 { .name = "CLKCFG", .cp = 14, .crn = 6, .crm = 0, .opc1 = 0, .opc2 = 0, 382 .access = PL1_RW, .type = ARM_CP_IO, 383 .readfn = pxa2xx_clkcfg_read, .writefn = pxa2xx_clkcfg_write }, 384 /* cp14 crn==7: PWRMODE */ 385 { .name = "PWRMODE", .cp = 14, .crn = 7, .crm = 0, .opc1 = 0, .opc2 = 0, 386 .access = PL1_RW, .type = ARM_CP_IO, 387 .readfn = arm_cp_read_zero, .writefn = pxa2xx_pwrmode_write }, 388 }; 389 390 static void pxa2xx_setup_cp14(PXA2xxState *s) 391 { 392 define_arm_cp_regs_with_opaque(s->cpu, pxa_cp_reginfo, s); 393 } 394 395 #define MDCNFG 0x00 /* SDRAM Configuration register */ 396 #define MDREFR 0x04 /* SDRAM Refresh Control register */ 397 #define MSC0 0x08 /* Static Memory Control register 0 */ 398 #define MSC1 0x0c /* Static Memory Control register 1 */ 399 #define MSC2 0x10 /* Static Memory Control register 2 */ 400 #define MECR 0x14 /* Expansion Memory Bus Config register */ 401 #define SXCNFG 0x1c /* Synchronous Static Memory Config register */ 402 #define MCMEM0 0x28 /* PC Card Memory Socket 0 Timing register */ 403 #define MCMEM1 0x2c /* PC Card Memory Socket 1 Timing register */ 404 #define MCATT0 0x30 /* PC Card Attribute Socket 0 register */ 405 #define MCATT1 0x34 /* PC Card Attribute Socket 1 register */ 406 #define MCIO0 0x38 /* PC Card I/O Socket 0 Timing register */ 407 #define MCIO1 0x3c /* PC Card I/O Socket 1 Timing register */ 408 #define MDMRS 0x40 /* SDRAM Mode Register Set Config register */ 409 #define BOOT_DEF 0x44 /* Boot-time Default Configuration register */ 410 #define ARB_CNTL 0x48 /* Arbiter Control register */ 411 #define BSCNTR0 0x4c /* Memory Buffer Strength Control register 0 */ 412 #define BSCNTR1 0x50 /* Memory Buffer Strength Control register 1 */ 413 #define LCDBSCNTR 0x54 /* LCD Buffer Strength Control register */ 414 #define MDMRSLP 0x58 /* Low Power SDRAM Mode Set Config register */ 415 #define BSCNTR2 0x5c /* Memory Buffer Strength Control register 2 */ 416 #define BSCNTR3 0x60 /* Memory Buffer Strength Control register 3 */ 417 #define SA1110 0x64 /* SA-1110 Memory Compatibility register */ 418 419 static uint64_t pxa2xx_mm_read(void *opaque, hwaddr addr, 420 unsigned size) 421 { 422 PXA2xxState *s = (PXA2xxState *) opaque; 423 424 switch (addr) { 425 case MDCNFG ... SA1110: 426 if ((addr & 3) == 0) 427 return s->mm_regs[addr >> 2]; 428 /* fall through */ 429 default: 430 qemu_log_mask(LOG_GUEST_ERROR, 431 "%s: Bad read offset 0x%"HWADDR_PRIx"\n", 432 __func__, addr); 433 break; 434 } 435 return 0; 436 } 437 438 static void pxa2xx_mm_write(void *opaque, hwaddr addr, 439 uint64_t value, unsigned size) 440 { 441 PXA2xxState *s = (PXA2xxState *) opaque; 442 443 switch (addr) { 444 case MDCNFG ... SA1110: 445 if ((addr & 3) == 0) { 446 s->mm_regs[addr >> 2] = value; 447 break; 448 } 449 /* fallthrough */ 450 default: 451 qemu_log_mask(LOG_GUEST_ERROR, 452 "%s: Bad write offset 0x%"HWADDR_PRIx"\n", 453 __func__, addr); 454 break; 455 } 456 } 457 458 static const MemoryRegionOps pxa2xx_mm_ops = { 459 .read = pxa2xx_mm_read, 460 .write = pxa2xx_mm_write, 461 .endianness = DEVICE_NATIVE_ENDIAN, 462 }; 463 464 static const VMStateDescription vmstate_pxa2xx_mm = { 465 .name = "pxa2xx_mm", 466 .version_id = 0, 467 .minimum_version_id = 0, 468 .fields = (const VMStateField[]) { 469 VMSTATE_UINT32_ARRAY(mm_regs, PXA2xxState, 0x1a), 470 VMSTATE_END_OF_LIST() 471 } 472 }; 473 474 #define TYPE_PXA2XX_SSP "pxa2xx-ssp" 475 OBJECT_DECLARE_SIMPLE_TYPE(PXA2xxSSPState, PXA2XX_SSP) 476 477 /* Synchronous Serial Ports */ 478 struct PXA2xxSSPState { 479 /*< private >*/ 480 SysBusDevice parent_obj; 481 /*< public >*/ 482 483 MemoryRegion iomem; 484 qemu_irq irq; 485 uint32_t enable; 486 SSIBus *bus; 487 488 uint32_t sscr[2]; 489 uint32_t sspsp; 490 uint32_t ssto; 491 uint32_t ssitr; 492 uint32_t sssr; 493 uint8_t sstsa; 494 uint8_t ssrsa; 495 uint8_t ssacd; 496 497 uint32_t rx_fifo[16]; 498 uint32_t rx_level; 499 uint32_t rx_start; 500 }; 501 502 static bool pxa2xx_ssp_vmstate_validate(void *opaque, int version_id) 503 { 504 PXA2xxSSPState *s = opaque; 505 506 return s->rx_start < sizeof(s->rx_fifo); 507 } 508 509 static const VMStateDescription vmstate_pxa2xx_ssp = { 510 .name = "pxa2xx-ssp", 511 .version_id = 1, 512 .minimum_version_id = 1, 513 .fields = (const VMStateField[]) { 514 VMSTATE_UINT32(enable, PXA2xxSSPState), 515 VMSTATE_UINT32_ARRAY(sscr, PXA2xxSSPState, 2), 516 VMSTATE_UINT32(sspsp, PXA2xxSSPState), 517 VMSTATE_UINT32(ssto, PXA2xxSSPState), 518 VMSTATE_UINT32(ssitr, PXA2xxSSPState), 519 VMSTATE_UINT32(sssr, PXA2xxSSPState), 520 VMSTATE_UINT8(sstsa, PXA2xxSSPState), 521 VMSTATE_UINT8(ssrsa, PXA2xxSSPState), 522 VMSTATE_UINT8(ssacd, PXA2xxSSPState), 523 VMSTATE_UINT32(rx_level, PXA2xxSSPState), 524 VMSTATE_UINT32(rx_start, PXA2xxSSPState), 525 VMSTATE_VALIDATE("fifo is 16 bytes", pxa2xx_ssp_vmstate_validate), 526 VMSTATE_UINT32_ARRAY(rx_fifo, PXA2xxSSPState, 16), 527 VMSTATE_END_OF_LIST() 528 } 529 }; 530 531 #define SSCR0 0x00 /* SSP Control register 0 */ 532 #define SSCR1 0x04 /* SSP Control register 1 */ 533 #define SSSR 0x08 /* SSP Status register */ 534 #define SSITR 0x0c /* SSP Interrupt Test register */ 535 #define SSDR 0x10 /* SSP Data register */ 536 #define SSTO 0x28 /* SSP Time-Out register */ 537 #define SSPSP 0x2c /* SSP Programmable Serial Protocol register */ 538 #define SSTSA 0x30 /* SSP TX Time Slot Active register */ 539 #define SSRSA 0x34 /* SSP RX Time Slot Active register */ 540 #define SSTSS 0x38 /* SSP Time Slot Status register */ 541 #define SSACD 0x3c /* SSP Audio Clock Divider register */ 542 543 /* Bitfields for above registers */ 544 #define SSCR0_SPI(x) (((x) & 0x30) == 0x00) 545 #define SSCR0_SSP(x) (((x) & 0x30) == 0x10) 546 #define SSCR0_UWIRE(x) (((x) & 0x30) == 0x20) 547 #define SSCR0_PSP(x) (((x) & 0x30) == 0x30) 548 #define SSCR0_SSE (1 << 7) 549 #define SSCR0_RIM (1 << 22) 550 #define SSCR0_TIM (1 << 23) 551 #define SSCR0_MOD (1U << 31) 552 #define SSCR0_DSS(x) (((((x) >> 16) & 0x10) | ((x) & 0xf)) + 1) 553 #define SSCR1_RIE (1 << 0) 554 #define SSCR1_TIE (1 << 1) 555 #define SSCR1_LBM (1 << 2) 556 #define SSCR1_MWDS (1 << 5) 557 #define SSCR1_TFT(x) ((((x) >> 6) & 0xf) + 1) 558 #define SSCR1_RFT(x) ((((x) >> 10) & 0xf) + 1) 559 #define SSCR1_EFWR (1 << 14) 560 #define SSCR1_PINTE (1 << 18) 561 #define SSCR1_TINTE (1 << 19) 562 #define SSCR1_RSRE (1 << 20) 563 #define SSCR1_TSRE (1 << 21) 564 #define SSCR1_EBCEI (1 << 29) 565 #define SSITR_INT (7 << 5) 566 #define SSSR_TNF (1 << 2) 567 #define SSSR_RNE (1 << 3) 568 #define SSSR_TFS (1 << 5) 569 #define SSSR_RFS (1 << 6) 570 #define SSSR_ROR (1 << 7) 571 #define SSSR_PINT (1 << 18) 572 #define SSSR_TINT (1 << 19) 573 #define SSSR_EOC (1 << 20) 574 #define SSSR_TUR (1 << 21) 575 #define SSSR_BCE (1 << 23) 576 #define SSSR_RW 0x00bc0080 577 578 static void pxa2xx_ssp_int_update(PXA2xxSSPState *s) 579 { 580 int level = 0; 581 582 level |= s->ssitr & SSITR_INT; 583 level |= (s->sssr & SSSR_BCE) && (s->sscr[1] & SSCR1_EBCEI); 584 level |= (s->sssr & SSSR_TUR) && !(s->sscr[0] & SSCR0_TIM); 585 level |= (s->sssr & SSSR_EOC) && (s->sssr & (SSSR_TINT | SSSR_PINT)); 586 level |= (s->sssr & SSSR_TINT) && (s->sscr[1] & SSCR1_TINTE); 587 level |= (s->sssr & SSSR_PINT) && (s->sscr[1] & SSCR1_PINTE); 588 level |= (s->sssr & SSSR_ROR) && !(s->sscr[0] & SSCR0_RIM); 589 level |= (s->sssr & SSSR_RFS) && (s->sscr[1] & SSCR1_RIE); 590 level |= (s->sssr & SSSR_TFS) && (s->sscr[1] & SSCR1_TIE); 591 qemu_set_irq(s->irq, !!level); 592 } 593 594 static void pxa2xx_ssp_fifo_update(PXA2xxSSPState *s) 595 { 596 s->sssr &= ~(0xf << 12); /* Clear RFL */ 597 s->sssr &= ~(0xf << 8); /* Clear TFL */ 598 s->sssr &= ~SSSR_TFS; 599 s->sssr &= ~SSSR_TNF; 600 if (s->enable) { 601 s->sssr |= ((s->rx_level - 1) & 0xf) << 12; 602 if (s->rx_level >= SSCR1_RFT(s->sscr[1])) 603 s->sssr |= SSSR_RFS; 604 else 605 s->sssr &= ~SSSR_RFS; 606 if (s->rx_level) 607 s->sssr |= SSSR_RNE; 608 else 609 s->sssr &= ~SSSR_RNE; 610 /* TX FIFO is never filled, so it is always in underrun 611 condition if SSP is enabled */ 612 s->sssr |= SSSR_TFS; 613 s->sssr |= SSSR_TNF; 614 } 615 616 pxa2xx_ssp_int_update(s); 617 } 618 619 static uint64_t pxa2xx_ssp_read(void *opaque, hwaddr addr, 620 unsigned size) 621 { 622 PXA2xxSSPState *s = (PXA2xxSSPState *) opaque; 623 uint32_t retval; 624 625 switch (addr) { 626 case SSCR0: 627 return s->sscr[0]; 628 case SSCR1: 629 return s->sscr[1]; 630 case SSPSP: 631 return s->sspsp; 632 case SSTO: 633 return s->ssto; 634 case SSITR: 635 return s->ssitr; 636 case SSSR: 637 return s->sssr | s->ssitr; 638 case SSDR: 639 if (!s->enable) 640 return 0xffffffff; 641 if (s->rx_level < 1) { 642 printf("%s: SSP Rx Underrun\n", __func__); 643 return 0xffffffff; 644 } 645 s->rx_level --; 646 retval = s->rx_fifo[s->rx_start ++]; 647 s->rx_start &= 0xf; 648 pxa2xx_ssp_fifo_update(s); 649 return retval; 650 case SSTSA: 651 return s->sstsa; 652 case SSRSA: 653 return s->ssrsa; 654 case SSTSS: 655 return 0; 656 case SSACD: 657 return s->ssacd; 658 default: 659 qemu_log_mask(LOG_GUEST_ERROR, 660 "%s: Bad read offset 0x%"HWADDR_PRIx"\n", 661 __func__, addr); 662 break; 663 } 664 return 0; 665 } 666 667 static void pxa2xx_ssp_write(void *opaque, hwaddr addr, 668 uint64_t value64, unsigned size) 669 { 670 PXA2xxSSPState *s = (PXA2xxSSPState *) opaque; 671 uint32_t value = value64; 672 673 switch (addr) { 674 case SSCR0: 675 s->sscr[0] = value & 0xc7ffffff; 676 s->enable = value & SSCR0_SSE; 677 if (value & SSCR0_MOD) 678 printf("%s: Attempt to use network mode\n", __func__); 679 if (s->enable && SSCR0_DSS(value) < 4) 680 printf("%s: Wrong data size: %u bits\n", __func__, 681 SSCR0_DSS(value)); 682 if (!(value & SSCR0_SSE)) { 683 s->sssr = 0; 684 s->ssitr = 0; 685 s->rx_level = 0; 686 } 687 pxa2xx_ssp_fifo_update(s); 688 break; 689 690 case SSCR1: 691 s->sscr[1] = value; 692 if (value & (SSCR1_LBM | SSCR1_EFWR)) 693 printf("%s: Attempt to use SSP test mode\n", __func__); 694 pxa2xx_ssp_fifo_update(s); 695 break; 696 697 case SSPSP: 698 s->sspsp = value; 699 break; 700 701 case SSTO: 702 s->ssto = value; 703 break; 704 705 case SSITR: 706 s->ssitr = value & SSITR_INT; 707 pxa2xx_ssp_int_update(s); 708 break; 709 710 case SSSR: 711 s->sssr &= ~(value & SSSR_RW); 712 pxa2xx_ssp_int_update(s); 713 break; 714 715 case SSDR: 716 if (SSCR0_UWIRE(s->sscr[0])) { 717 if (s->sscr[1] & SSCR1_MWDS) 718 value &= 0xffff; 719 else 720 value &= 0xff; 721 } else 722 /* Note how 32bits overflow does no harm here */ 723 value &= (1 << SSCR0_DSS(s->sscr[0])) - 1; 724 725 /* Data goes from here to the Tx FIFO and is shifted out from 726 * there directly to the slave, no need to buffer it. 727 */ 728 if (s->enable) { 729 uint32_t readval; 730 readval = ssi_transfer(s->bus, value); 731 if (s->rx_level < 0x10) { 732 s->rx_fifo[(s->rx_start + s->rx_level ++) & 0xf] = readval; 733 } else { 734 s->sssr |= SSSR_ROR; 735 } 736 } 737 pxa2xx_ssp_fifo_update(s); 738 break; 739 740 case SSTSA: 741 s->sstsa = value; 742 break; 743 744 case SSRSA: 745 s->ssrsa = value; 746 break; 747 748 case SSACD: 749 s->ssacd = value; 750 break; 751 752 default: 753 qemu_log_mask(LOG_GUEST_ERROR, 754 "%s: Bad write offset 0x%"HWADDR_PRIx"\n", 755 __func__, addr); 756 break; 757 } 758 } 759 760 static const MemoryRegionOps pxa2xx_ssp_ops = { 761 .read = pxa2xx_ssp_read, 762 .write = pxa2xx_ssp_write, 763 .endianness = DEVICE_NATIVE_ENDIAN, 764 }; 765 766 static void pxa2xx_ssp_reset(DeviceState *d) 767 { 768 PXA2xxSSPState *s = PXA2XX_SSP(d); 769 770 s->enable = 0; 771 s->sscr[0] = s->sscr[1] = 0; 772 s->sspsp = 0; 773 s->ssto = 0; 774 s->ssitr = 0; 775 s->sssr = 0; 776 s->sstsa = 0; 777 s->ssrsa = 0; 778 s->ssacd = 0; 779 s->rx_start = s->rx_level = 0; 780 } 781 782 static void pxa2xx_ssp_init(Object *obj) 783 { 784 DeviceState *dev = DEVICE(obj); 785 PXA2xxSSPState *s = PXA2XX_SSP(obj); 786 SysBusDevice *sbd = SYS_BUS_DEVICE(obj); 787 sysbus_init_irq(sbd, &s->irq); 788 789 memory_region_init_io(&s->iomem, obj, &pxa2xx_ssp_ops, s, 790 "pxa2xx-ssp", 0x1000); 791 sysbus_init_mmio(sbd, &s->iomem); 792 793 s->bus = ssi_create_bus(dev, "ssi"); 794 } 795 796 /* Real-Time Clock */ 797 #define RCNR 0x00 /* RTC Counter register */ 798 #define RTAR 0x04 /* RTC Alarm register */ 799 #define RTSR 0x08 /* RTC Status register */ 800 #define RTTR 0x0c /* RTC Timer Trim register */ 801 #define RDCR 0x10 /* RTC Day Counter register */ 802 #define RYCR 0x14 /* RTC Year Counter register */ 803 #define RDAR1 0x18 /* RTC Wristwatch Day Alarm register 1 */ 804 #define RYAR1 0x1c /* RTC Wristwatch Year Alarm register 1 */ 805 #define RDAR2 0x20 /* RTC Wristwatch Day Alarm register 2 */ 806 #define RYAR2 0x24 /* RTC Wristwatch Year Alarm register 2 */ 807 #define SWCR 0x28 /* RTC Stopwatch Counter register */ 808 #define SWAR1 0x2c /* RTC Stopwatch Alarm register 1 */ 809 #define SWAR2 0x30 /* RTC Stopwatch Alarm register 2 */ 810 #define RTCPICR 0x34 /* RTC Periodic Interrupt Counter register */ 811 #define PIAR 0x38 /* RTC Periodic Interrupt Alarm register */ 812 813 #define TYPE_PXA2XX_RTC "pxa2xx_rtc" 814 OBJECT_DECLARE_SIMPLE_TYPE(PXA2xxRTCState, PXA2XX_RTC) 815 816 struct PXA2xxRTCState { 817 /*< private >*/ 818 SysBusDevice parent_obj; 819 /*< public >*/ 820 821 MemoryRegion iomem; 822 uint32_t rttr; 823 uint32_t rtsr; 824 uint32_t rtar; 825 uint32_t rdar1; 826 uint32_t rdar2; 827 uint32_t ryar1; 828 uint32_t ryar2; 829 uint32_t swar1; 830 uint32_t swar2; 831 uint32_t piar; 832 uint32_t last_rcnr; 833 uint32_t last_rdcr; 834 uint32_t last_rycr; 835 uint32_t last_swcr; 836 uint32_t last_rtcpicr; 837 int64_t last_hz; 838 int64_t last_sw; 839 int64_t last_pi; 840 QEMUTimer *rtc_hz; 841 QEMUTimer *rtc_rdal1; 842 QEMUTimer *rtc_rdal2; 843 QEMUTimer *rtc_swal1; 844 QEMUTimer *rtc_swal2; 845 QEMUTimer *rtc_pi; 846 qemu_irq rtc_irq; 847 }; 848 849 static inline void pxa2xx_rtc_int_update(PXA2xxRTCState *s) 850 { 851 qemu_set_irq(s->rtc_irq, !!(s->rtsr & 0x2553)); 852 } 853 854 static void pxa2xx_rtc_hzupdate(PXA2xxRTCState *s) 855 { 856 int64_t rt = qemu_clock_get_ms(rtc_clock); 857 s->last_rcnr += ((rt - s->last_hz) << 15) / 858 (1000 * ((s->rttr & 0xffff) + 1)); 859 s->last_rdcr += ((rt - s->last_hz) << 15) / 860 (1000 * ((s->rttr & 0xffff) + 1)); 861 s->last_hz = rt; 862 } 863 864 static void pxa2xx_rtc_swupdate(PXA2xxRTCState *s) 865 { 866 int64_t rt = qemu_clock_get_ms(rtc_clock); 867 if (s->rtsr & (1 << 12)) 868 s->last_swcr += (rt - s->last_sw) / 10; 869 s->last_sw = rt; 870 } 871 872 static void pxa2xx_rtc_piupdate(PXA2xxRTCState *s) 873 { 874 int64_t rt = qemu_clock_get_ms(rtc_clock); 875 if (s->rtsr & (1 << 15)) 876 s->last_swcr += rt - s->last_pi; 877 s->last_pi = rt; 878 } 879 880 static inline void pxa2xx_rtc_alarm_update(PXA2xxRTCState *s, 881 uint32_t rtsr) 882 { 883 if ((rtsr & (1 << 2)) && !(rtsr & (1 << 0))) 884 timer_mod(s->rtc_hz, s->last_hz + 885 (((s->rtar - s->last_rcnr) * 1000 * 886 ((s->rttr & 0xffff) + 1)) >> 15)); 887 else 888 timer_del(s->rtc_hz); 889 890 if ((rtsr & (1 << 5)) && !(rtsr & (1 << 4))) 891 timer_mod(s->rtc_rdal1, s->last_hz + 892 (((s->rdar1 - s->last_rdcr) * 1000 * 893 ((s->rttr & 0xffff) + 1)) >> 15)); /* TODO: fixup */ 894 else 895 timer_del(s->rtc_rdal1); 896 897 if ((rtsr & (1 << 7)) && !(rtsr & (1 << 6))) 898 timer_mod(s->rtc_rdal2, s->last_hz + 899 (((s->rdar2 - s->last_rdcr) * 1000 * 900 ((s->rttr & 0xffff) + 1)) >> 15)); /* TODO: fixup */ 901 else 902 timer_del(s->rtc_rdal2); 903 904 if ((rtsr & 0x1200) == 0x1200 && !(rtsr & (1 << 8))) 905 timer_mod(s->rtc_swal1, s->last_sw + 906 (s->swar1 - s->last_swcr) * 10); /* TODO: fixup */ 907 else 908 timer_del(s->rtc_swal1); 909 910 if ((rtsr & 0x1800) == 0x1800 && !(rtsr & (1 << 10))) 911 timer_mod(s->rtc_swal2, s->last_sw + 912 (s->swar2 - s->last_swcr) * 10); /* TODO: fixup */ 913 else 914 timer_del(s->rtc_swal2); 915 916 if ((rtsr & 0xc000) == 0xc000 && !(rtsr & (1 << 13))) 917 timer_mod(s->rtc_pi, s->last_pi + 918 (s->piar & 0xffff) - s->last_rtcpicr); 919 else 920 timer_del(s->rtc_pi); 921 } 922 923 static inline void pxa2xx_rtc_hz_tick(void *opaque) 924 { 925 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque; 926 s->rtsr |= (1 << 0); 927 pxa2xx_rtc_alarm_update(s, s->rtsr); 928 pxa2xx_rtc_int_update(s); 929 } 930 931 static inline void pxa2xx_rtc_rdal1_tick(void *opaque) 932 { 933 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque; 934 s->rtsr |= (1 << 4); 935 pxa2xx_rtc_alarm_update(s, s->rtsr); 936 pxa2xx_rtc_int_update(s); 937 } 938 939 static inline void pxa2xx_rtc_rdal2_tick(void *opaque) 940 { 941 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque; 942 s->rtsr |= (1 << 6); 943 pxa2xx_rtc_alarm_update(s, s->rtsr); 944 pxa2xx_rtc_int_update(s); 945 } 946 947 static inline void pxa2xx_rtc_swal1_tick(void *opaque) 948 { 949 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque; 950 s->rtsr |= (1 << 8); 951 pxa2xx_rtc_alarm_update(s, s->rtsr); 952 pxa2xx_rtc_int_update(s); 953 } 954 955 static inline void pxa2xx_rtc_swal2_tick(void *opaque) 956 { 957 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque; 958 s->rtsr |= (1 << 10); 959 pxa2xx_rtc_alarm_update(s, s->rtsr); 960 pxa2xx_rtc_int_update(s); 961 } 962 963 static inline void pxa2xx_rtc_pi_tick(void *opaque) 964 { 965 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque; 966 s->rtsr |= (1 << 13); 967 pxa2xx_rtc_piupdate(s); 968 s->last_rtcpicr = 0; 969 pxa2xx_rtc_alarm_update(s, s->rtsr); 970 pxa2xx_rtc_int_update(s); 971 } 972 973 static uint64_t pxa2xx_rtc_read(void *opaque, hwaddr addr, 974 unsigned size) 975 { 976 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque; 977 978 switch (addr) { 979 case RTTR: 980 return s->rttr; 981 case RTSR: 982 return s->rtsr; 983 case RTAR: 984 return s->rtar; 985 case RDAR1: 986 return s->rdar1; 987 case RDAR2: 988 return s->rdar2; 989 case RYAR1: 990 return s->ryar1; 991 case RYAR2: 992 return s->ryar2; 993 case SWAR1: 994 return s->swar1; 995 case SWAR2: 996 return s->swar2; 997 case PIAR: 998 return s->piar; 999 case RCNR: 1000 return s->last_rcnr + 1001 ((qemu_clock_get_ms(rtc_clock) - s->last_hz) << 15) / 1002 (1000 * ((s->rttr & 0xffff) + 1)); 1003 case RDCR: 1004 return s->last_rdcr + 1005 ((qemu_clock_get_ms(rtc_clock) - s->last_hz) << 15) / 1006 (1000 * ((s->rttr & 0xffff) + 1)); 1007 case RYCR: 1008 return s->last_rycr; 1009 case SWCR: 1010 if (s->rtsr & (1 << 12)) 1011 return s->last_swcr + 1012 (qemu_clock_get_ms(rtc_clock) - s->last_sw) / 10; 1013 else 1014 return s->last_swcr; 1015 default: 1016 qemu_log_mask(LOG_GUEST_ERROR, 1017 "%s: Bad read offset 0x%"HWADDR_PRIx"\n", 1018 __func__, addr); 1019 break; 1020 } 1021 return 0; 1022 } 1023 1024 static void pxa2xx_rtc_write(void *opaque, hwaddr addr, 1025 uint64_t value64, unsigned size) 1026 { 1027 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque; 1028 uint32_t value = value64; 1029 1030 switch (addr) { 1031 case RTTR: 1032 if (!(s->rttr & (1U << 31))) { 1033 pxa2xx_rtc_hzupdate(s); 1034 s->rttr = value; 1035 pxa2xx_rtc_alarm_update(s, s->rtsr); 1036 } 1037 break; 1038 1039 case RTSR: 1040 if ((s->rtsr ^ value) & (1 << 15)) 1041 pxa2xx_rtc_piupdate(s); 1042 1043 if ((s->rtsr ^ value) & (1 << 12)) 1044 pxa2xx_rtc_swupdate(s); 1045 1046 if (((s->rtsr ^ value) & 0x4aac) | (value & ~0xdaac)) 1047 pxa2xx_rtc_alarm_update(s, value); 1048 1049 s->rtsr = (value & 0xdaac) | (s->rtsr & ~(value & ~0xdaac)); 1050 pxa2xx_rtc_int_update(s); 1051 break; 1052 1053 case RTAR: 1054 s->rtar = value; 1055 pxa2xx_rtc_alarm_update(s, s->rtsr); 1056 break; 1057 1058 case RDAR1: 1059 s->rdar1 = value; 1060 pxa2xx_rtc_alarm_update(s, s->rtsr); 1061 break; 1062 1063 case RDAR2: 1064 s->rdar2 = value; 1065 pxa2xx_rtc_alarm_update(s, s->rtsr); 1066 break; 1067 1068 case RYAR1: 1069 s->ryar1 = value; 1070 pxa2xx_rtc_alarm_update(s, s->rtsr); 1071 break; 1072 1073 case RYAR2: 1074 s->ryar2 = value; 1075 pxa2xx_rtc_alarm_update(s, s->rtsr); 1076 break; 1077 1078 case SWAR1: 1079 pxa2xx_rtc_swupdate(s); 1080 s->swar1 = value; 1081 s->last_swcr = 0; 1082 pxa2xx_rtc_alarm_update(s, s->rtsr); 1083 break; 1084 1085 case SWAR2: 1086 s->swar2 = value; 1087 pxa2xx_rtc_alarm_update(s, s->rtsr); 1088 break; 1089 1090 case PIAR: 1091 s->piar = value; 1092 pxa2xx_rtc_alarm_update(s, s->rtsr); 1093 break; 1094 1095 case RCNR: 1096 pxa2xx_rtc_hzupdate(s); 1097 s->last_rcnr = value; 1098 pxa2xx_rtc_alarm_update(s, s->rtsr); 1099 break; 1100 1101 case RDCR: 1102 pxa2xx_rtc_hzupdate(s); 1103 s->last_rdcr = value; 1104 pxa2xx_rtc_alarm_update(s, s->rtsr); 1105 break; 1106 1107 case RYCR: 1108 s->last_rycr = value; 1109 break; 1110 1111 case SWCR: 1112 pxa2xx_rtc_swupdate(s); 1113 s->last_swcr = value; 1114 pxa2xx_rtc_alarm_update(s, s->rtsr); 1115 break; 1116 1117 case RTCPICR: 1118 pxa2xx_rtc_piupdate(s); 1119 s->last_rtcpicr = value & 0xffff; 1120 pxa2xx_rtc_alarm_update(s, s->rtsr); 1121 break; 1122 1123 default: 1124 qemu_log_mask(LOG_GUEST_ERROR, 1125 "%s: Bad write offset 0x%"HWADDR_PRIx"\n", 1126 __func__, addr); 1127 } 1128 } 1129 1130 static const MemoryRegionOps pxa2xx_rtc_ops = { 1131 .read = pxa2xx_rtc_read, 1132 .write = pxa2xx_rtc_write, 1133 .endianness = DEVICE_NATIVE_ENDIAN, 1134 }; 1135 1136 static void pxa2xx_rtc_init(Object *obj) 1137 { 1138 PXA2xxRTCState *s = PXA2XX_RTC(obj); 1139 SysBusDevice *dev = SYS_BUS_DEVICE(obj); 1140 struct tm tm; 1141 int wom; 1142 1143 s->rttr = 0x7fff; 1144 s->rtsr = 0; 1145 1146 qemu_get_timedate(&tm, 0); 1147 wom = ((tm.tm_mday - 1) / 7) + 1; 1148 1149 s->last_rcnr = (uint32_t) mktimegm(&tm); 1150 s->last_rdcr = (wom << 20) | ((tm.tm_wday + 1) << 17) | 1151 (tm.tm_hour << 12) | (tm.tm_min << 6) | tm.tm_sec; 1152 s->last_rycr = ((tm.tm_year + 1900) << 9) | 1153 ((tm.tm_mon + 1) << 5) | tm.tm_mday; 1154 s->last_swcr = (tm.tm_hour << 19) | 1155 (tm.tm_min << 13) | (tm.tm_sec << 7); 1156 s->last_rtcpicr = 0; 1157 s->last_hz = s->last_sw = s->last_pi = qemu_clock_get_ms(rtc_clock); 1158 1159 sysbus_init_irq(dev, &s->rtc_irq); 1160 1161 memory_region_init_io(&s->iomem, obj, &pxa2xx_rtc_ops, s, 1162 "pxa2xx-rtc", 0x10000); 1163 sysbus_init_mmio(dev, &s->iomem); 1164 } 1165 1166 static void pxa2xx_rtc_realize(DeviceState *dev, Error **errp) 1167 { 1168 PXA2xxRTCState *s = PXA2XX_RTC(dev); 1169 s->rtc_hz = timer_new_ms(rtc_clock, pxa2xx_rtc_hz_tick, s); 1170 s->rtc_rdal1 = timer_new_ms(rtc_clock, pxa2xx_rtc_rdal1_tick, s); 1171 s->rtc_rdal2 = timer_new_ms(rtc_clock, pxa2xx_rtc_rdal2_tick, s); 1172 s->rtc_swal1 = timer_new_ms(rtc_clock, pxa2xx_rtc_swal1_tick, s); 1173 s->rtc_swal2 = timer_new_ms(rtc_clock, pxa2xx_rtc_swal2_tick, s); 1174 s->rtc_pi = timer_new_ms(rtc_clock, pxa2xx_rtc_pi_tick, s); 1175 } 1176 1177 static int pxa2xx_rtc_pre_save(void *opaque) 1178 { 1179 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque; 1180 1181 pxa2xx_rtc_hzupdate(s); 1182 pxa2xx_rtc_piupdate(s); 1183 pxa2xx_rtc_swupdate(s); 1184 1185 return 0; 1186 } 1187 1188 static int pxa2xx_rtc_post_load(void *opaque, int version_id) 1189 { 1190 PXA2xxRTCState *s = (PXA2xxRTCState *) opaque; 1191 1192 pxa2xx_rtc_alarm_update(s, s->rtsr); 1193 1194 return 0; 1195 } 1196 1197 static const VMStateDescription vmstate_pxa2xx_rtc_regs = { 1198 .name = "pxa2xx_rtc", 1199 .version_id = 0, 1200 .minimum_version_id = 0, 1201 .pre_save = pxa2xx_rtc_pre_save, 1202 .post_load = pxa2xx_rtc_post_load, 1203 .fields = (const VMStateField[]) { 1204 VMSTATE_UINT32(rttr, PXA2xxRTCState), 1205 VMSTATE_UINT32(rtsr, PXA2xxRTCState), 1206 VMSTATE_UINT32(rtar, PXA2xxRTCState), 1207 VMSTATE_UINT32(rdar1, PXA2xxRTCState), 1208 VMSTATE_UINT32(rdar2, PXA2xxRTCState), 1209 VMSTATE_UINT32(ryar1, PXA2xxRTCState), 1210 VMSTATE_UINT32(ryar2, PXA2xxRTCState), 1211 VMSTATE_UINT32(swar1, PXA2xxRTCState), 1212 VMSTATE_UINT32(swar2, PXA2xxRTCState), 1213 VMSTATE_UINT32(piar, PXA2xxRTCState), 1214 VMSTATE_UINT32(last_rcnr, PXA2xxRTCState), 1215 VMSTATE_UINT32(last_rdcr, PXA2xxRTCState), 1216 VMSTATE_UINT32(last_rycr, PXA2xxRTCState), 1217 VMSTATE_UINT32(last_swcr, PXA2xxRTCState), 1218 VMSTATE_UINT32(last_rtcpicr, PXA2xxRTCState), 1219 VMSTATE_INT64(last_hz, PXA2xxRTCState), 1220 VMSTATE_INT64(last_sw, PXA2xxRTCState), 1221 VMSTATE_INT64(last_pi, PXA2xxRTCState), 1222 VMSTATE_END_OF_LIST(), 1223 }, 1224 }; 1225 1226 static void pxa2xx_rtc_sysbus_class_init(ObjectClass *klass, void *data) 1227 { 1228 DeviceClass *dc = DEVICE_CLASS(klass); 1229 1230 dc->desc = "PXA2xx RTC Controller"; 1231 dc->vmsd = &vmstate_pxa2xx_rtc_regs; 1232 dc->realize = pxa2xx_rtc_realize; 1233 } 1234 1235 static const TypeInfo pxa2xx_rtc_sysbus_info = { 1236 .name = TYPE_PXA2XX_RTC, 1237 .parent = TYPE_SYS_BUS_DEVICE, 1238 .instance_size = sizeof(PXA2xxRTCState), 1239 .instance_init = pxa2xx_rtc_init, 1240 .class_init = pxa2xx_rtc_sysbus_class_init, 1241 }; 1242 1243 /* I2C Interface */ 1244 1245 #define TYPE_PXA2XX_I2C_SLAVE "pxa2xx-i2c-slave" 1246 OBJECT_DECLARE_SIMPLE_TYPE(PXA2xxI2CSlaveState, PXA2XX_I2C_SLAVE) 1247 1248 struct PXA2xxI2CSlaveState { 1249 I2CSlave parent_obj; 1250 1251 PXA2xxI2CState *host; 1252 }; 1253 1254 struct PXA2xxI2CState { 1255 /*< private >*/ 1256 SysBusDevice parent_obj; 1257 /*< public >*/ 1258 1259 MemoryRegion iomem; 1260 PXA2xxI2CSlaveState *slave; 1261 I2CBus *bus; 1262 qemu_irq irq; 1263 uint32_t offset; 1264 uint32_t region_size; 1265 1266 uint16_t control; 1267 uint16_t status; 1268 uint8_t ibmr; 1269 uint8_t data; 1270 }; 1271 1272 #define IBMR 0x80 /* I2C Bus Monitor register */ 1273 #define IDBR 0x88 /* I2C Data Buffer register */ 1274 #define ICR 0x90 /* I2C Control register */ 1275 #define ISR 0x98 /* I2C Status register */ 1276 #define ISAR 0xa0 /* I2C Slave Address register */ 1277 1278 static void pxa2xx_i2c_update(PXA2xxI2CState *s) 1279 { 1280 uint16_t level = 0; 1281 level |= s->status & s->control & (1 << 10); /* BED */ 1282 level |= (s->status & (1 << 7)) && (s->control & (1 << 9)); /* IRF */ 1283 level |= (s->status & (1 << 6)) && (s->control & (1 << 8)); /* ITE */ 1284 level |= s->status & (1 << 9); /* SAD */ 1285 qemu_set_irq(s->irq, !!level); 1286 } 1287 1288 /* These are only stubs now. */ 1289 static int pxa2xx_i2c_event(I2CSlave *i2c, enum i2c_event event) 1290 { 1291 PXA2xxI2CSlaveState *slave = PXA2XX_I2C_SLAVE(i2c); 1292 PXA2xxI2CState *s = slave->host; 1293 1294 switch (event) { 1295 case I2C_START_SEND: 1296 s->status |= (1 << 9); /* set SAD */ 1297 s->status &= ~(1 << 0); /* clear RWM */ 1298 break; 1299 case I2C_START_RECV: 1300 s->status |= (1 << 9); /* set SAD */ 1301 s->status |= 1 << 0; /* set RWM */ 1302 break; 1303 case I2C_FINISH: 1304 s->status |= (1 << 4); /* set SSD */ 1305 break; 1306 case I2C_NACK: 1307 s->status |= 1 << 1; /* set ACKNAK */ 1308 break; 1309 default: 1310 return -1; 1311 } 1312 pxa2xx_i2c_update(s); 1313 1314 return 0; 1315 } 1316 1317 static uint8_t pxa2xx_i2c_rx(I2CSlave *i2c) 1318 { 1319 PXA2xxI2CSlaveState *slave = PXA2XX_I2C_SLAVE(i2c); 1320 PXA2xxI2CState *s = slave->host; 1321 1322 if ((s->control & (1 << 14)) || !(s->control & (1 << 6))) { 1323 return 0; 1324 } 1325 1326 if (s->status & (1 << 0)) { /* RWM */ 1327 s->status |= 1 << 6; /* set ITE */ 1328 } 1329 pxa2xx_i2c_update(s); 1330 1331 return s->data; 1332 } 1333 1334 static int pxa2xx_i2c_tx(I2CSlave *i2c, uint8_t data) 1335 { 1336 PXA2xxI2CSlaveState *slave = PXA2XX_I2C_SLAVE(i2c); 1337 PXA2xxI2CState *s = slave->host; 1338 1339 if ((s->control & (1 << 14)) || !(s->control & (1 << 6))) { 1340 return 1; 1341 } 1342 1343 if (!(s->status & (1 << 0))) { /* RWM */ 1344 s->status |= 1 << 7; /* set IRF */ 1345 s->data = data; 1346 } 1347 pxa2xx_i2c_update(s); 1348 1349 return 1; 1350 } 1351 1352 static uint64_t pxa2xx_i2c_read(void *opaque, hwaddr addr, 1353 unsigned size) 1354 { 1355 PXA2xxI2CState *s = (PXA2xxI2CState *) opaque; 1356 I2CSlave *slave; 1357 1358 addr -= s->offset; 1359 switch (addr) { 1360 case ICR: 1361 return s->control; 1362 case ISR: 1363 return s->status | (i2c_bus_busy(s->bus) << 2); 1364 case ISAR: 1365 slave = I2C_SLAVE(s->slave); 1366 return slave->address; 1367 case IDBR: 1368 return s->data; 1369 case IBMR: 1370 if (s->status & (1 << 2)) 1371 s->ibmr ^= 3; /* Fake SCL and SDA pin changes */ 1372 else 1373 s->ibmr = 0; 1374 return s->ibmr; 1375 default: 1376 qemu_log_mask(LOG_GUEST_ERROR, 1377 "%s: Bad read offset 0x%"HWADDR_PRIx"\n", 1378 __func__, addr); 1379 break; 1380 } 1381 return 0; 1382 } 1383 1384 static void pxa2xx_i2c_write(void *opaque, hwaddr addr, 1385 uint64_t value64, unsigned size) 1386 { 1387 PXA2xxI2CState *s = (PXA2xxI2CState *) opaque; 1388 uint32_t value = value64; 1389 int ack; 1390 1391 addr -= s->offset; 1392 switch (addr) { 1393 case ICR: 1394 s->control = value & 0xfff7; 1395 if ((value & (1 << 3)) && (value & (1 << 6))) { /* TB and IUE */ 1396 /* TODO: slave mode */ 1397 if (value & (1 << 0)) { /* START condition */ 1398 if (s->data & 1) 1399 s->status |= 1 << 0; /* set RWM */ 1400 else 1401 s->status &= ~(1 << 0); /* clear RWM */ 1402 ack = !i2c_start_transfer(s->bus, s->data >> 1, s->data & 1); 1403 } else { 1404 if (s->status & (1 << 0)) { /* RWM */ 1405 s->data = i2c_recv(s->bus); 1406 if (value & (1 << 2)) /* ACKNAK */ 1407 i2c_nack(s->bus); 1408 ack = 1; 1409 } else 1410 ack = !i2c_send(s->bus, s->data); 1411 } 1412 1413 if (value & (1 << 1)) /* STOP condition */ 1414 i2c_end_transfer(s->bus); 1415 1416 if (ack) { 1417 if (value & (1 << 0)) /* START condition */ 1418 s->status |= 1 << 6; /* set ITE */ 1419 else 1420 if (s->status & (1 << 0)) /* RWM */ 1421 s->status |= 1 << 7; /* set IRF */ 1422 else 1423 s->status |= 1 << 6; /* set ITE */ 1424 s->status &= ~(1 << 1); /* clear ACKNAK */ 1425 } else { 1426 s->status |= 1 << 6; /* set ITE */ 1427 s->status |= 1 << 10; /* set BED */ 1428 s->status |= 1 << 1; /* set ACKNAK */ 1429 } 1430 } 1431 if (!(value & (1 << 3)) && (value & (1 << 6))) /* !TB and IUE */ 1432 if (value & (1 << 4)) /* MA */ 1433 i2c_end_transfer(s->bus); 1434 pxa2xx_i2c_update(s); 1435 break; 1436 1437 case ISR: 1438 s->status &= ~(value & 0x07f0); 1439 pxa2xx_i2c_update(s); 1440 break; 1441 1442 case ISAR: 1443 i2c_slave_set_address(I2C_SLAVE(s->slave), value & 0x7f); 1444 break; 1445 1446 case IDBR: 1447 s->data = value & 0xff; 1448 break; 1449 1450 default: 1451 qemu_log_mask(LOG_GUEST_ERROR, 1452 "%s: Bad write offset 0x%"HWADDR_PRIx"\n", 1453 __func__, addr); 1454 } 1455 } 1456 1457 static const MemoryRegionOps pxa2xx_i2c_ops = { 1458 .read = pxa2xx_i2c_read, 1459 .write = pxa2xx_i2c_write, 1460 .endianness = DEVICE_NATIVE_ENDIAN, 1461 }; 1462 1463 static const VMStateDescription vmstate_pxa2xx_i2c_slave = { 1464 .name = "pxa2xx_i2c_slave", 1465 .version_id = 1, 1466 .minimum_version_id = 1, 1467 .fields = (const VMStateField[]) { 1468 VMSTATE_I2C_SLAVE(parent_obj, PXA2xxI2CSlaveState), 1469 VMSTATE_END_OF_LIST() 1470 } 1471 }; 1472 1473 static const VMStateDescription vmstate_pxa2xx_i2c = { 1474 .name = "pxa2xx_i2c", 1475 .version_id = 1, 1476 .minimum_version_id = 1, 1477 .fields = (const VMStateField[]) { 1478 VMSTATE_UINT16(control, PXA2xxI2CState), 1479 VMSTATE_UINT16(status, PXA2xxI2CState), 1480 VMSTATE_UINT8(ibmr, PXA2xxI2CState), 1481 VMSTATE_UINT8(data, PXA2xxI2CState), 1482 VMSTATE_STRUCT_POINTER(slave, PXA2xxI2CState, 1483 vmstate_pxa2xx_i2c_slave, PXA2xxI2CSlaveState), 1484 VMSTATE_END_OF_LIST() 1485 } 1486 }; 1487 1488 static void pxa2xx_i2c_slave_class_init(ObjectClass *klass, void *data) 1489 { 1490 I2CSlaveClass *k = I2C_SLAVE_CLASS(klass); 1491 1492 k->event = pxa2xx_i2c_event; 1493 k->recv = pxa2xx_i2c_rx; 1494 k->send = pxa2xx_i2c_tx; 1495 } 1496 1497 static const TypeInfo pxa2xx_i2c_slave_info = { 1498 .name = TYPE_PXA2XX_I2C_SLAVE, 1499 .parent = TYPE_I2C_SLAVE, 1500 .instance_size = sizeof(PXA2xxI2CSlaveState), 1501 .class_init = pxa2xx_i2c_slave_class_init, 1502 }; 1503 1504 PXA2xxI2CState *pxa2xx_i2c_init(hwaddr base, 1505 qemu_irq irq, uint32_t region_size) 1506 { 1507 DeviceState *dev; 1508 SysBusDevice *i2c_dev; 1509 PXA2xxI2CState *s; 1510 I2CBus *i2cbus; 1511 1512 dev = qdev_new(TYPE_PXA2XX_I2C); 1513 qdev_prop_set_uint32(dev, "size", region_size + 1); 1514 qdev_prop_set_uint32(dev, "offset", base & region_size); 1515 1516 /* FIXME: Should the slave device really be on a separate bus? */ 1517 i2cbus = i2c_init_bus(dev, "dummy"); 1518 1519 i2c_dev = SYS_BUS_DEVICE(dev); 1520 sysbus_realize_and_unref(i2c_dev, &error_fatal); 1521 sysbus_mmio_map(i2c_dev, 0, base & ~region_size); 1522 sysbus_connect_irq(i2c_dev, 0, irq); 1523 1524 s = PXA2XX_I2C(i2c_dev); 1525 s->slave = PXA2XX_I2C_SLAVE(i2c_slave_create_simple(i2cbus, 1526 TYPE_PXA2XX_I2C_SLAVE, 1527 0)); 1528 s->slave->host = s; 1529 1530 return s; 1531 } 1532 1533 static void pxa2xx_i2c_initfn(Object *obj) 1534 { 1535 DeviceState *dev = DEVICE(obj); 1536 PXA2xxI2CState *s = PXA2XX_I2C(obj); 1537 SysBusDevice *sbd = SYS_BUS_DEVICE(obj); 1538 1539 s->bus = i2c_init_bus(dev, NULL); 1540 1541 memory_region_init_io(&s->iomem, obj, &pxa2xx_i2c_ops, s, 1542 "pxa2xx-i2c", s->region_size); 1543 sysbus_init_mmio(sbd, &s->iomem); 1544 sysbus_init_irq(sbd, &s->irq); 1545 } 1546 1547 I2CBus *pxa2xx_i2c_bus(PXA2xxI2CState *s) 1548 { 1549 return s->bus; 1550 } 1551 1552 static Property pxa2xx_i2c_properties[] = { 1553 DEFINE_PROP_UINT32("size", PXA2xxI2CState, region_size, 0x10000), 1554 DEFINE_PROP_UINT32("offset", PXA2xxI2CState, offset, 0), 1555 DEFINE_PROP_END_OF_LIST(), 1556 }; 1557 1558 static void pxa2xx_i2c_class_init(ObjectClass *klass, void *data) 1559 { 1560 DeviceClass *dc = DEVICE_CLASS(klass); 1561 1562 dc->desc = "PXA2xx I2C Bus Controller"; 1563 dc->vmsd = &vmstate_pxa2xx_i2c; 1564 device_class_set_props(dc, pxa2xx_i2c_properties); 1565 } 1566 1567 static const TypeInfo pxa2xx_i2c_info = { 1568 .name = TYPE_PXA2XX_I2C, 1569 .parent = TYPE_SYS_BUS_DEVICE, 1570 .instance_size = sizeof(PXA2xxI2CState), 1571 .instance_init = pxa2xx_i2c_initfn, 1572 .class_init = pxa2xx_i2c_class_init, 1573 }; 1574 1575 /* PXA Inter-IC Sound Controller */ 1576 static void pxa2xx_i2s_reset(PXA2xxI2SState *i2s) 1577 { 1578 i2s->rx_len = 0; 1579 i2s->tx_len = 0; 1580 i2s->fifo_len = 0; 1581 i2s->clk = 0x1a; 1582 i2s->control[0] = 0x00; 1583 i2s->control[1] = 0x00; 1584 i2s->status = 0x00; 1585 i2s->mask = 0x00; 1586 } 1587 1588 #define SACR_TFTH(val) ((val >> 8) & 0xf) 1589 #define SACR_RFTH(val) ((val >> 12) & 0xf) 1590 #define SACR_DREC(val) (val & (1 << 3)) 1591 #define SACR_DPRL(val) (val & (1 << 4)) 1592 1593 static inline void pxa2xx_i2s_update(PXA2xxI2SState *i2s) 1594 { 1595 int rfs, tfs; 1596 rfs = SACR_RFTH(i2s->control[0]) < i2s->rx_len && 1597 !SACR_DREC(i2s->control[1]); 1598 tfs = (i2s->tx_len || i2s->fifo_len < SACR_TFTH(i2s->control[0])) && 1599 i2s->enable && !SACR_DPRL(i2s->control[1]); 1600 1601 qemu_set_irq(i2s->rx_dma, rfs); 1602 qemu_set_irq(i2s->tx_dma, tfs); 1603 1604 i2s->status &= 0xe0; 1605 if (i2s->fifo_len < 16 || !i2s->enable) 1606 i2s->status |= 1 << 0; /* TNF */ 1607 if (i2s->rx_len) 1608 i2s->status |= 1 << 1; /* RNE */ 1609 if (i2s->enable) 1610 i2s->status |= 1 << 2; /* BSY */ 1611 if (tfs) 1612 i2s->status |= 1 << 3; /* TFS */ 1613 if (rfs) 1614 i2s->status |= 1 << 4; /* RFS */ 1615 if (!(i2s->tx_len && i2s->enable)) 1616 i2s->status |= i2s->fifo_len << 8; /* TFL */ 1617 i2s->status |= MAX(i2s->rx_len, 0xf) << 12; /* RFL */ 1618 1619 qemu_set_irq(i2s->irq, i2s->status & i2s->mask); 1620 } 1621 1622 #define SACR0 0x00 /* Serial Audio Global Control register */ 1623 #define SACR1 0x04 /* Serial Audio I2S/MSB-Justified Control register */ 1624 #define SASR0 0x0c /* Serial Audio Interface and FIFO Status register */ 1625 #define SAIMR 0x14 /* Serial Audio Interrupt Mask register */ 1626 #define SAICR 0x18 /* Serial Audio Interrupt Clear register */ 1627 #define SADIV 0x60 /* Serial Audio Clock Divider register */ 1628 #define SADR 0x80 /* Serial Audio Data register */ 1629 1630 static uint64_t pxa2xx_i2s_read(void *opaque, hwaddr addr, 1631 unsigned size) 1632 { 1633 PXA2xxI2SState *s = (PXA2xxI2SState *) opaque; 1634 1635 switch (addr) { 1636 case SACR0: 1637 return s->control[0]; 1638 case SACR1: 1639 return s->control[1]; 1640 case SASR0: 1641 return s->status; 1642 case SAIMR: 1643 return s->mask; 1644 case SAICR: 1645 return 0; 1646 case SADIV: 1647 return s->clk; 1648 case SADR: 1649 if (s->rx_len > 0) { 1650 s->rx_len --; 1651 pxa2xx_i2s_update(s); 1652 return s->codec_in(s->opaque); 1653 } 1654 return 0; 1655 default: 1656 qemu_log_mask(LOG_GUEST_ERROR, 1657 "%s: Bad read offset 0x%"HWADDR_PRIx"\n", 1658 __func__, addr); 1659 break; 1660 } 1661 return 0; 1662 } 1663 1664 static void pxa2xx_i2s_write(void *opaque, hwaddr addr, 1665 uint64_t value, unsigned size) 1666 { 1667 PXA2xxI2SState *s = (PXA2xxI2SState *) opaque; 1668 uint32_t *sample; 1669 1670 switch (addr) { 1671 case SACR0: 1672 if (value & (1 << 3)) /* RST */ 1673 pxa2xx_i2s_reset(s); 1674 s->control[0] = value & 0xff3d; 1675 if (!s->enable && (value & 1) && s->tx_len) { /* ENB */ 1676 for (sample = s->fifo; s->fifo_len > 0; s->fifo_len --, sample ++) 1677 s->codec_out(s->opaque, *sample); 1678 s->status &= ~(1 << 7); /* I2SOFF */ 1679 } 1680 if (value & (1 << 4)) /* EFWR */ 1681 printf("%s: Attempt to use special function\n", __func__); 1682 s->enable = (value & 9) == 1; /* ENB && !RST*/ 1683 pxa2xx_i2s_update(s); 1684 break; 1685 case SACR1: 1686 s->control[1] = value & 0x0039; 1687 if (value & (1 << 5)) /* ENLBF */ 1688 printf("%s: Attempt to use loopback function\n", __func__); 1689 if (value & (1 << 4)) /* DPRL */ 1690 s->fifo_len = 0; 1691 pxa2xx_i2s_update(s); 1692 break; 1693 case SAIMR: 1694 s->mask = value & 0x0078; 1695 pxa2xx_i2s_update(s); 1696 break; 1697 case SAICR: 1698 s->status &= ~(value & (3 << 5)); 1699 pxa2xx_i2s_update(s); 1700 break; 1701 case SADIV: 1702 s->clk = value & 0x007f; 1703 break; 1704 case SADR: 1705 if (s->tx_len && s->enable) { 1706 s->tx_len --; 1707 pxa2xx_i2s_update(s); 1708 s->codec_out(s->opaque, value); 1709 } else if (s->fifo_len < 16) { 1710 s->fifo[s->fifo_len ++] = value; 1711 pxa2xx_i2s_update(s); 1712 } 1713 break; 1714 default: 1715 qemu_log_mask(LOG_GUEST_ERROR, 1716 "%s: Bad write offset 0x%"HWADDR_PRIx"\n", 1717 __func__, addr); 1718 } 1719 } 1720 1721 static const MemoryRegionOps pxa2xx_i2s_ops = { 1722 .read = pxa2xx_i2s_read, 1723 .write = pxa2xx_i2s_write, 1724 .endianness = DEVICE_NATIVE_ENDIAN, 1725 }; 1726 1727 static const VMStateDescription vmstate_pxa2xx_i2s = { 1728 .name = "pxa2xx_i2s", 1729 .version_id = 0, 1730 .minimum_version_id = 0, 1731 .fields = (const VMStateField[]) { 1732 VMSTATE_UINT32_ARRAY(control, PXA2xxI2SState, 2), 1733 VMSTATE_UINT32(status, PXA2xxI2SState), 1734 VMSTATE_UINT32(mask, PXA2xxI2SState), 1735 VMSTATE_UINT32(clk, PXA2xxI2SState), 1736 VMSTATE_INT32(enable, PXA2xxI2SState), 1737 VMSTATE_INT32(rx_len, PXA2xxI2SState), 1738 VMSTATE_INT32(tx_len, PXA2xxI2SState), 1739 VMSTATE_INT32(fifo_len, PXA2xxI2SState), 1740 VMSTATE_END_OF_LIST() 1741 } 1742 }; 1743 1744 static void pxa2xx_i2s_data_req(void *opaque, int tx, int rx) 1745 { 1746 PXA2xxI2SState *s = (PXA2xxI2SState *) opaque; 1747 uint32_t *sample; 1748 1749 /* Signal FIFO errors */ 1750 if (s->enable && s->tx_len) 1751 s->status |= 1 << 5; /* TUR */ 1752 if (s->enable && s->rx_len) 1753 s->status |= 1 << 6; /* ROR */ 1754 1755 /* Should be tx - MIN(tx, s->fifo_len) but we don't really need to 1756 * handle the cases where it makes a difference. */ 1757 s->tx_len = tx - s->fifo_len; 1758 s->rx_len = rx; 1759 /* Note that is s->codec_out wasn't set, we wouldn't get called. */ 1760 if (s->enable) 1761 for (sample = s->fifo; s->fifo_len; s->fifo_len --, sample ++) 1762 s->codec_out(s->opaque, *sample); 1763 pxa2xx_i2s_update(s); 1764 } 1765 1766 static PXA2xxI2SState *pxa2xx_i2s_init(MemoryRegion *sysmem, 1767 hwaddr base, 1768 qemu_irq irq, qemu_irq rx_dma, qemu_irq tx_dma) 1769 { 1770 PXA2xxI2SState *s = g_new0(PXA2xxI2SState, 1); 1771 1772 s->irq = irq; 1773 s->rx_dma = rx_dma; 1774 s->tx_dma = tx_dma; 1775 s->data_req = pxa2xx_i2s_data_req; 1776 1777 pxa2xx_i2s_reset(s); 1778 1779 memory_region_init_io(&s->iomem, NULL, &pxa2xx_i2s_ops, s, 1780 "pxa2xx-i2s", 0x100000); 1781 memory_region_add_subregion(sysmem, base, &s->iomem); 1782 1783 vmstate_register(NULL, base, &vmstate_pxa2xx_i2s, s); 1784 1785 return s; 1786 } 1787 1788 /* PXA Fast Infra-red Communications Port */ 1789 struct PXA2xxFIrState { 1790 /*< private >*/ 1791 SysBusDevice parent_obj; 1792 /*< public >*/ 1793 1794 MemoryRegion iomem; 1795 qemu_irq irq; 1796 qemu_irq rx_dma; 1797 qemu_irq tx_dma; 1798 uint32_t enable; 1799 CharBackend chr; 1800 1801 uint8_t control[3]; 1802 uint8_t status[2]; 1803 1804 uint32_t rx_len; 1805 uint32_t rx_start; 1806 uint8_t rx_fifo[64]; 1807 }; 1808 1809 static void pxa2xx_fir_reset(DeviceState *d) 1810 { 1811 PXA2xxFIrState *s = PXA2XX_FIR(d); 1812 1813 s->control[0] = 0x00; 1814 s->control[1] = 0x00; 1815 s->control[2] = 0x00; 1816 s->status[0] = 0x00; 1817 s->status[1] = 0x00; 1818 s->enable = 0; 1819 } 1820 1821 static inline void pxa2xx_fir_update(PXA2xxFIrState *s) 1822 { 1823 static const int tresh[4] = { 8, 16, 32, 0 }; 1824 int intr = 0; 1825 if ((s->control[0] & (1 << 4)) && /* RXE */ 1826 s->rx_len >= tresh[s->control[2] & 3]) /* TRIG */ 1827 s->status[0] |= 1 << 4; /* RFS */ 1828 else 1829 s->status[0] &= ~(1 << 4); /* RFS */ 1830 if (s->control[0] & (1 << 3)) /* TXE */ 1831 s->status[0] |= 1 << 3; /* TFS */ 1832 else 1833 s->status[0] &= ~(1 << 3); /* TFS */ 1834 if (s->rx_len) 1835 s->status[1] |= 1 << 2; /* RNE */ 1836 else 1837 s->status[1] &= ~(1 << 2); /* RNE */ 1838 if (s->control[0] & (1 << 4)) /* RXE */ 1839 s->status[1] |= 1 << 0; /* RSY */ 1840 else 1841 s->status[1] &= ~(1 << 0); /* RSY */ 1842 1843 intr |= (s->control[0] & (1 << 5)) && /* RIE */ 1844 (s->status[0] & (1 << 4)); /* RFS */ 1845 intr |= (s->control[0] & (1 << 6)) && /* TIE */ 1846 (s->status[0] & (1 << 3)); /* TFS */ 1847 intr |= (s->control[2] & (1 << 4)) && /* TRAIL */ 1848 (s->status[0] & (1 << 6)); /* EOC */ 1849 intr |= (s->control[0] & (1 << 2)) && /* TUS */ 1850 (s->status[0] & (1 << 1)); /* TUR */ 1851 intr |= s->status[0] & 0x25; /* FRE, RAB, EIF */ 1852 1853 qemu_set_irq(s->rx_dma, (s->status[0] >> 4) & 1); 1854 qemu_set_irq(s->tx_dma, (s->status[0] >> 3) & 1); 1855 1856 qemu_set_irq(s->irq, intr && s->enable); 1857 } 1858 1859 #define ICCR0 0x00 /* FICP Control register 0 */ 1860 #define ICCR1 0x04 /* FICP Control register 1 */ 1861 #define ICCR2 0x08 /* FICP Control register 2 */ 1862 #define ICDR 0x0c /* FICP Data register */ 1863 #define ICSR0 0x14 /* FICP Status register 0 */ 1864 #define ICSR1 0x18 /* FICP Status register 1 */ 1865 #define ICFOR 0x1c /* FICP FIFO Occupancy Status register */ 1866 1867 static uint64_t pxa2xx_fir_read(void *opaque, hwaddr addr, 1868 unsigned size) 1869 { 1870 PXA2xxFIrState *s = (PXA2xxFIrState *) opaque; 1871 uint8_t ret; 1872 1873 switch (addr) { 1874 case ICCR0: 1875 return s->control[0]; 1876 case ICCR1: 1877 return s->control[1]; 1878 case ICCR2: 1879 return s->control[2]; 1880 case ICDR: 1881 s->status[0] &= ~0x01; 1882 s->status[1] &= ~0x72; 1883 if (s->rx_len) { 1884 s->rx_len --; 1885 ret = s->rx_fifo[s->rx_start ++]; 1886 s->rx_start &= 63; 1887 pxa2xx_fir_update(s); 1888 return ret; 1889 } 1890 printf("%s: Rx FIFO underrun.\n", __func__); 1891 break; 1892 case ICSR0: 1893 return s->status[0]; 1894 case ICSR1: 1895 return s->status[1] | (1 << 3); /* TNF */ 1896 case ICFOR: 1897 return s->rx_len; 1898 default: 1899 qemu_log_mask(LOG_GUEST_ERROR, 1900 "%s: Bad read offset 0x%"HWADDR_PRIx"\n", 1901 __func__, addr); 1902 break; 1903 } 1904 return 0; 1905 } 1906 1907 static void pxa2xx_fir_write(void *opaque, hwaddr addr, 1908 uint64_t value64, unsigned size) 1909 { 1910 PXA2xxFIrState *s = (PXA2xxFIrState *) opaque; 1911 uint32_t value = value64; 1912 uint8_t ch; 1913 1914 switch (addr) { 1915 case ICCR0: 1916 s->control[0] = value; 1917 if (!(value & (1 << 4))) /* RXE */ 1918 s->rx_len = s->rx_start = 0; 1919 if (!(value & (1 << 3))) { /* TXE */ 1920 /* Nop */ 1921 } 1922 s->enable = value & 1; /* ITR */ 1923 if (!s->enable) 1924 s->status[0] = 0; 1925 pxa2xx_fir_update(s); 1926 break; 1927 case ICCR1: 1928 s->control[1] = value; 1929 break; 1930 case ICCR2: 1931 s->control[2] = value & 0x3f; 1932 pxa2xx_fir_update(s); 1933 break; 1934 case ICDR: 1935 if (s->control[2] & (1 << 2)) { /* TXP */ 1936 ch = value; 1937 } else { 1938 ch = ~value; 1939 } 1940 if (s->enable && (s->control[0] & (1 << 3))) { /* TXE */ 1941 /* XXX this blocks entire thread. Rewrite to use 1942 * qemu_chr_fe_write and background I/O callbacks */ 1943 qemu_chr_fe_write_all(&s->chr, &ch, 1); 1944 } 1945 break; 1946 case ICSR0: 1947 s->status[0] &= ~(value & 0x66); 1948 pxa2xx_fir_update(s); 1949 break; 1950 case ICFOR: 1951 break; 1952 default: 1953 qemu_log_mask(LOG_GUEST_ERROR, 1954 "%s: Bad write offset 0x%"HWADDR_PRIx"\n", 1955 __func__, addr); 1956 } 1957 } 1958 1959 static const MemoryRegionOps pxa2xx_fir_ops = { 1960 .read = pxa2xx_fir_read, 1961 .write = pxa2xx_fir_write, 1962 .endianness = DEVICE_NATIVE_ENDIAN, 1963 }; 1964 1965 static int pxa2xx_fir_is_empty(void *opaque) 1966 { 1967 PXA2xxFIrState *s = (PXA2xxFIrState *) opaque; 1968 return (s->rx_len < 64); 1969 } 1970 1971 static void pxa2xx_fir_rx(void *opaque, const uint8_t *buf, int size) 1972 { 1973 PXA2xxFIrState *s = (PXA2xxFIrState *) opaque; 1974 if (!(s->control[0] & (1 << 4))) /* RXE */ 1975 return; 1976 1977 while (size --) { 1978 s->status[1] |= 1 << 4; /* EOF */ 1979 if (s->rx_len >= 64) { 1980 s->status[1] |= 1 << 6; /* ROR */ 1981 break; 1982 } 1983 1984 if (s->control[2] & (1 << 3)) /* RXP */ 1985 s->rx_fifo[(s->rx_start + s->rx_len ++) & 63] = *(buf ++); 1986 else 1987 s->rx_fifo[(s->rx_start + s->rx_len ++) & 63] = ~*(buf ++); 1988 } 1989 1990 pxa2xx_fir_update(s); 1991 } 1992 1993 static void pxa2xx_fir_event(void *opaque, QEMUChrEvent event) 1994 { 1995 } 1996 1997 static void pxa2xx_fir_instance_init(Object *obj) 1998 { 1999 PXA2xxFIrState *s = PXA2XX_FIR(obj); 2000 SysBusDevice *sbd = SYS_BUS_DEVICE(obj); 2001 2002 memory_region_init_io(&s->iomem, obj, &pxa2xx_fir_ops, s, 2003 "pxa2xx-fir", 0x1000); 2004 sysbus_init_mmio(sbd, &s->iomem); 2005 sysbus_init_irq(sbd, &s->irq); 2006 sysbus_init_irq(sbd, &s->rx_dma); 2007 sysbus_init_irq(sbd, &s->tx_dma); 2008 } 2009 2010 static void pxa2xx_fir_realize(DeviceState *dev, Error **errp) 2011 { 2012 PXA2xxFIrState *s = PXA2XX_FIR(dev); 2013 2014 qemu_chr_fe_set_handlers(&s->chr, pxa2xx_fir_is_empty, 2015 pxa2xx_fir_rx, pxa2xx_fir_event, NULL, s, NULL, 2016 true); 2017 } 2018 2019 static bool pxa2xx_fir_vmstate_validate(void *opaque, int version_id) 2020 { 2021 PXA2xxFIrState *s = opaque; 2022 2023 return s->rx_start < ARRAY_SIZE(s->rx_fifo); 2024 } 2025 2026 static const VMStateDescription pxa2xx_fir_vmsd = { 2027 .name = "pxa2xx-fir", 2028 .version_id = 1, 2029 .minimum_version_id = 1, 2030 .fields = (const VMStateField[]) { 2031 VMSTATE_UINT32(enable, PXA2xxFIrState), 2032 VMSTATE_UINT8_ARRAY(control, PXA2xxFIrState, 3), 2033 VMSTATE_UINT8_ARRAY(status, PXA2xxFIrState, 2), 2034 VMSTATE_UINT32(rx_len, PXA2xxFIrState), 2035 VMSTATE_UINT32(rx_start, PXA2xxFIrState), 2036 VMSTATE_VALIDATE("fifo is 64 bytes", pxa2xx_fir_vmstate_validate), 2037 VMSTATE_UINT8_ARRAY(rx_fifo, PXA2xxFIrState, 64), 2038 VMSTATE_END_OF_LIST() 2039 } 2040 }; 2041 2042 static Property pxa2xx_fir_properties[] = { 2043 DEFINE_PROP_CHR("chardev", PXA2xxFIrState, chr), 2044 DEFINE_PROP_END_OF_LIST(), 2045 }; 2046 2047 static void pxa2xx_fir_class_init(ObjectClass *klass, void *data) 2048 { 2049 DeviceClass *dc = DEVICE_CLASS(klass); 2050 2051 dc->realize = pxa2xx_fir_realize; 2052 dc->vmsd = &pxa2xx_fir_vmsd; 2053 device_class_set_props(dc, pxa2xx_fir_properties); 2054 dc->reset = pxa2xx_fir_reset; 2055 } 2056 2057 static const TypeInfo pxa2xx_fir_info = { 2058 .name = TYPE_PXA2XX_FIR, 2059 .parent = TYPE_SYS_BUS_DEVICE, 2060 .instance_size = sizeof(PXA2xxFIrState), 2061 .class_init = pxa2xx_fir_class_init, 2062 .instance_init = pxa2xx_fir_instance_init, 2063 }; 2064 2065 static PXA2xxFIrState *pxa2xx_fir_init(MemoryRegion *sysmem, 2066 hwaddr base, 2067 qemu_irq irq, qemu_irq rx_dma, 2068 qemu_irq tx_dma, 2069 Chardev *chr) 2070 { 2071 DeviceState *dev; 2072 SysBusDevice *sbd; 2073 2074 dev = qdev_new(TYPE_PXA2XX_FIR); 2075 qdev_prop_set_chr(dev, "chardev", chr); 2076 sbd = SYS_BUS_DEVICE(dev); 2077 sysbus_realize_and_unref(sbd, &error_fatal); 2078 sysbus_mmio_map(sbd, 0, base); 2079 sysbus_connect_irq(sbd, 0, irq); 2080 sysbus_connect_irq(sbd, 1, rx_dma); 2081 sysbus_connect_irq(sbd, 2, tx_dma); 2082 return PXA2XX_FIR(dev); 2083 } 2084 2085 static void pxa2xx_reset(void *opaque, int line, int level) 2086 { 2087 PXA2xxState *s = (PXA2xxState *) opaque; 2088 2089 if (level && (s->pm_regs[PCFR >> 2] & 0x10)) { /* GPR_EN */ 2090 cpu_reset(CPU(s->cpu)); 2091 /* TODO: reset peripherals */ 2092 } 2093 } 2094 2095 /* Initialise a PXA270 integrated chip (ARM based core). */ 2096 PXA2xxState *pxa270_init(unsigned int sdram_size, const char *cpu_type) 2097 { 2098 MemoryRegion *address_space = get_system_memory(); 2099 PXA2xxState *s; 2100 int i; 2101 DriveInfo *dinfo; 2102 s = g_new0(PXA2xxState, 1); 2103 2104 if (strncmp(cpu_type, "pxa27", 5)) { 2105 error_report("Machine requires a PXA27x processor"); 2106 exit(1); 2107 } 2108 2109 s->cpu = ARM_CPU(cpu_create(cpu_type)); 2110 s->reset = qemu_allocate_irq(pxa2xx_reset, s, 0); 2111 2112 /* SDRAM & Internal Memory Storage */ 2113 memory_region_init_ram(&s->sdram, NULL, "pxa270.sdram", sdram_size, 2114 &error_fatal); 2115 memory_region_add_subregion(address_space, PXA2XX_SDRAM_BASE, &s->sdram); 2116 memory_region_init_ram(&s->internal, NULL, "pxa270.internal", 0x40000, 2117 &error_fatal); 2118 memory_region_add_subregion(address_space, PXA2XX_INTERNAL_BASE, 2119 &s->internal); 2120 2121 s->pic = pxa2xx_pic_init(0x40d00000, s->cpu); 2122 2123 s->dma = pxa27x_dma_init(0x40000000, 2124 qdev_get_gpio_in(s->pic, PXA2XX_PIC_DMA)); 2125 2126 sysbus_create_varargs("pxa27x-timer", 0x40a00000, 2127 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 0), 2128 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 1), 2129 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 2), 2130 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 3), 2131 qdev_get_gpio_in(s->pic, PXA27X_PIC_OST_4_11), 2132 NULL); 2133 2134 s->gpio = pxa2xx_gpio_init(0x40e00000, s->cpu, s->pic, 121); 2135 2136 s->mmc = pxa2xx_mmci_init(address_space, 0x41100000, 2137 qdev_get_gpio_in(s->pic, PXA2XX_PIC_MMC), 2138 qdev_get_gpio_in(s->dma, PXA2XX_RX_RQ_MMCI), 2139 qdev_get_gpio_in(s->dma, PXA2XX_TX_RQ_MMCI)); 2140 dinfo = drive_get(IF_SD, 0, 0); 2141 if (dinfo) { 2142 DeviceState *carddev; 2143 2144 /* Create and plug in the sd card */ 2145 carddev = qdev_new(TYPE_SD_CARD); 2146 qdev_prop_set_drive_err(carddev, "drive", 2147 blk_by_legacy_dinfo(dinfo), &error_fatal); 2148 qdev_realize_and_unref(carddev, qdev_get_child_bus(DEVICE(s->mmc), 2149 "sd-bus"), 2150 &error_fatal); 2151 } else if (!qtest_enabled()) { 2152 warn_report("missing SecureDigital device"); 2153 } 2154 2155 for (i = 0; pxa270_serial[i].io_base; i++) { 2156 if (serial_hd(i)) { 2157 serial_mm_init(address_space, pxa270_serial[i].io_base, 2, 2158 qdev_get_gpio_in(s->pic, pxa270_serial[i].irqn), 2159 14857000 / 16, serial_hd(i), 2160 DEVICE_NATIVE_ENDIAN); 2161 } else { 2162 break; 2163 } 2164 } 2165 if (serial_hd(i)) 2166 s->fir = pxa2xx_fir_init(address_space, 0x40800000, 2167 qdev_get_gpio_in(s->pic, PXA2XX_PIC_ICP), 2168 qdev_get_gpio_in(s->dma, PXA2XX_RX_RQ_ICP), 2169 qdev_get_gpio_in(s->dma, PXA2XX_TX_RQ_ICP), 2170 serial_hd(i)); 2171 2172 s->lcd = pxa2xx_lcdc_init(address_space, 0x44000000, 2173 qdev_get_gpio_in(s->pic, PXA2XX_PIC_LCD)); 2174 2175 s->cm_base = 0x41300000; 2176 s->cm_regs[CCCR >> 2] = 0x02000210; /* 416.0 MHz */ 2177 s->clkcfg = 0x00000009; /* Turbo mode active */ 2178 memory_region_init_io(&s->cm_iomem, NULL, &pxa2xx_cm_ops, s, "pxa2xx-cm", 0x1000); 2179 memory_region_add_subregion(address_space, s->cm_base, &s->cm_iomem); 2180 vmstate_register(NULL, 0, &vmstate_pxa2xx_cm, s); 2181 2182 pxa2xx_setup_cp14(s); 2183 2184 s->mm_base = 0x48000000; 2185 s->mm_regs[MDMRS >> 2] = 0x00020002; 2186 s->mm_regs[MDREFR >> 2] = 0x03ca4000; 2187 s->mm_regs[MECR >> 2] = 0x00000001; /* Two PC Card sockets */ 2188 memory_region_init_io(&s->mm_iomem, NULL, &pxa2xx_mm_ops, s, "pxa2xx-mm", 0x1000); 2189 memory_region_add_subregion(address_space, s->mm_base, &s->mm_iomem); 2190 vmstate_register(NULL, 0, &vmstate_pxa2xx_mm, s); 2191 2192 s->pm_base = 0x40f00000; 2193 memory_region_init_io(&s->pm_iomem, NULL, &pxa2xx_pm_ops, s, "pxa2xx-pm", 0x100); 2194 memory_region_add_subregion(address_space, s->pm_base, &s->pm_iomem); 2195 vmstate_register(NULL, 0, &vmstate_pxa2xx_pm, s); 2196 2197 for (i = 0; pxa27x_ssp[i].io_base; i ++); 2198 s->ssp = g_new0(SSIBus *, i); 2199 for (i = 0; pxa27x_ssp[i].io_base; i ++) { 2200 DeviceState *dev; 2201 dev = sysbus_create_simple(TYPE_PXA2XX_SSP, pxa27x_ssp[i].io_base, 2202 qdev_get_gpio_in(s->pic, pxa27x_ssp[i].irqn)); 2203 s->ssp[i] = (SSIBus *)qdev_get_child_bus(dev, "ssi"); 2204 } 2205 2206 sysbus_create_simple("sysbus-ohci", 0x4c000000, 2207 qdev_get_gpio_in(s->pic, PXA2XX_PIC_USBH1)); 2208 2209 s->pcmcia[0] = PXA2XX_PCMCIA(sysbus_create_simple(TYPE_PXA2XX_PCMCIA, 2210 0x20000000, NULL)); 2211 s->pcmcia[1] = PXA2XX_PCMCIA(sysbus_create_simple(TYPE_PXA2XX_PCMCIA, 2212 0x30000000, NULL)); 2213 2214 sysbus_create_simple(TYPE_PXA2XX_RTC, 0x40900000, 2215 qdev_get_gpio_in(s->pic, PXA2XX_PIC_RTCALARM)); 2216 2217 s->i2c[0] = pxa2xx_i2c_init(0x40301600, 2218 qdev_get_gpio_in(s->pic, PXA2XX_PIC_I2C), 0xffff); 2219 s->i2c[1] = pxa2xx_i2c_init(0x40f00100, 2220 qdev_get_gpio_in(s->pic, PXA2XX_PIC_PWRI2C), 0xff); 2221 2222 s->i2s = pxa2xx_i2s_init(address_space, 0x40400000, 2223 qdev_get_gpio_in(s->pic, PXA2XX_PIC_I2S), 2224 qdev_get_gpio_in(s->dma, PXA2XX_RX_RQ_I2S), 2225 qdev_get_gpio_in(s->dma, PXA2XX_TX_RQ_I2S)); 2226 2227 s->kp = pxa27x_keypad_init(address_space, 0x41500000, 2228 qdev_get_gpio_in(s->pic, PXA2XX_PIC_KEYPAD)); 2229 2230 /* GPIO1 resets the processor */ 2231 /* The handler can be overridden by board-specific code */ 2232 qdev_connect_gpio_out(s->gpio, 1, s->reset); 2233 return s; 2234 } 2235 2236 /* Initialise a PXA255 integrated chip (ARM based core). */ 2237 PXA2xxState *pxa255_init(unsigned int sdram_size) 2238 { 2239 MemoryRegion *address_space = get_system_memory(); 2240 PXA2xxState *s; 2241 int i; 2242 DriveInfo *dinfo; 2243 2244 s = g_new0(PXA2xxState, 1); 2245 2246 s->cpu = ARM_CPU(cpu_create(ARM_CPU_TYPE_NAME("pxa255"))); 2247 s->reset = qemu_allocate_irq(pxa2xx_reset, s, 0); 2248 2249 /* SDRAM & Internal Memory Storage */ 2250 memory_region_init_ram(&s->sdram, NULL, "pxa255.sdram", sdram_size, 2251 &error_fatal); 2252 memory_region_add_subregion(address_space, PXA2XX_SDRAM_BASE, &s->sdram); 2253 memory_region_init_ram(&s->internal, NULL, "pxa255.internal", 2254 PXA2XX_INTERNAL_SIZE, &error_fatal); 2255 memory_region_add_subregion(address_space, PXA2XX_INTERNAL_BASE, 2256 &s->internal); 2257 2258 s->pic = pxa2xx_pic_init(0x40d00000, s->cpu); 2259 2260 s->dma = pxa255_dma_init(0x40000000, 2261 qdev_get_gpio_in(s->pic, PXA2XX_PIC_DMA)); 2262 2263 sysbus_create_varargs("pxa25x-timer", 0x40a00000, 2264 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 0), 2265 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 1), 2266 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 2), 2267 qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 3), 2268 NULL); 2269 2270 s->gpio = pxa2xx_gpio_init(0x40e00000, s->cpu, s->pic, 85); 2271 2272 s->mmc = pxa2xx_mmci_init(address_space, 0x41100000, 2273 qdev_get_gpio_in(s->pic, PXA2XX_PIC_MMC), 2274 qdev_get_gpio_in(s->dma, PXA2XX_RX_RQ_MMCI), 2275 qdev_get_gpio_in(s->dma, PXA2XX_TX_RQ_MMCI)); 2276 dinfo = drive_get(IF_SD, 0, 0); 2277 if (dinfo) { 2278 DeviceState *carddev; 2279 2280 /* Create and plug in the sd card */ 2281 carddev = qdev_new(TYPE_SD_CARD); 2282 qdev_prop_set_drive_err(carddev, "drive", 2283 blk_by_legacy_dinfo(dinfo), &error_fatal); 2284 qdev_realize_and_unref(carddev, qdev_get_child_bus(DEVICE(s->mmc), 2285 "sd-bus"), 2286 &error_fatal); 2287 } else if (!qtest_enabled()) { 2288 warn_report("missing SecureDigital device"); 2289 } 2290 2291 for (i = 0; pxa255_serial[i].io_base; i++) { 2292 if (serial_hd(i)) { 2293 serial_mm_init(address_space, pxa255_serial[i].io_base, 2, 2294 qdev_get_gpio_in(s->pic, pxa255_serial[i].irqn), 2295 14745600 / 16, serial_hd(i), 2296 DEVICE_NATIVE_ENDIAN); 2297 } else { 2298 break; 2299 } 2300 } 2301 if (serial_hd(i)) 2302 s->fir = pxa2xx_fir_init(address_space, 0x40800000, 2303 qdev_get_gpio_in(s->pic, PXA2XX_PIC_ICP), 2304 qdev_get_gpio_in(s->dma, PXA2XX_RX_RQ_ICP), 2305 qdev_get_gpio_in(s->dma, PXA2XX_TX_RQ_ICP), 2306 serial_hd(i)); 2307 2308 s->lcd = pxa2xx_lcdc_init(address_space, 0x44000000, 2309 qdev_get_gpio_in(s->pic, PXA2XX_PIC_LCD)); 2310 2311 s->cm_base = 0x41300000; 2312 s->cm_regs[CCCR >> 2] = 0x00000121; /* from datasheet */ 2313 s->cm_regs[CKEN >> 2] = 0x00017def; /* from datasheet */ 2314 2315 s->clkcfg = 0x00000009; /* Turbo mode active */ 2316 memory_region_init_io(&s->cm_iomem, NULL, &pxa2xx_cm_ops, s, "pxa2xx-cm", 0x1000); 2317 memory_region_add_subregion(address_space, s->cm_base, &s->cm_iomem); 2318 vmstate_register(NULL, 0, &vmstate_pxa2xx_cm, s); 2319 2320 pxa2xx_setup_cp14(s); 2321 2322 s->mm_base = 0x48000000; 2323 s->mm_regs[MDMRS >> 2] = 0x00020002; 2324 s->mm_regs[MDREFR >> 2] = 0x03ca4000; 2325 s->mm_regs[MECR >> 2] = 0x00000001; /* Two PC Card sockets */ 2326 memory_region_init_io(&s->mm_iomem, NULL, &pxa2xx_mm_ops, s, "pxa2xx-mm", 0x1000); 2327 memory_region_add_subregion(address_space, s->mm_base, &s->mm_iomem); 2328 vmstate_register(NULL, 0, &vmstate_pxa2xx_mm, s); 2329 2330 s->pm_base = 0x40f00000; 2331 memory_region_init_io(&s->pm_iomem, NULL, &pxa2xx_pm_ops, s, "pxa2xx-pm", 0x100); 2332 memory_region_add_subregion(address_space, s->pm_base, &s->pm_iomem); 2333 vmstate_register(NULL, 0, &vmstate_pxa2xx_pm, s); 2334 2335 for (i = 0; pxa255_ssp[i].io_base; i ++); 2336 s->ssp = g_new0(SSIBus *, i); 2337 for (i = 0; pxa255_ssp[i].io_base; i ++) { 2338 DeviceState *dev; 2339 dev = sysbus_create_simple(TYPE_PXA2XX_SSP, pxa255_ssp[i].io_base, 2340 qdev_get_gpio_in(s->pic, pxa255_ssp[i].irqn)); 2341 s->ssp[i] = (SSIBus *)qdev_get_child_bus(dev, "ssi"); 2342 } 2343 2344 s->pcmcia[0] = PXA2XX_PCMCIA(sysbus_create_simple(TYPE_PXA2XX_PCMCIA, 2345 0x20000000, NULL)); 2346 s->pcmcia[1] = PXA2XX_PCMCIA(sysbus_create_simple(TYPE_PXA2XX_PCMCIA, 2347 0x30000000, NULL)); 2348 2349 sysbus_create_simple(TYPE_PXA2XX_RTC, 0x40900000, 2350 qdev_get_gpio_in(s->pic, PXA2XX_PIC_RTCALARM)); 2351 2352 s->i2c[0] = pxa2xx_i2c_init(0x40301600, 2353 qdev_get_gpio_in(s->pic, PXA2XX_PIC_I2C), 0xffff); 2354 s->i2c[1] = pxa2xx_i2c_init(0x40f00100, 2355 qdev_get_gpio_in(s->pic, PXA2XX_PIC_PWRI2C), 0xff); 2356 2357 s->i2s = pxa2xx_i2s_init(address_space, 0x40400000, 2358 qdev_get_gpio_in(s->pic, PXA2XX_PIC_I2S), 2359 qdev_get_gpio_in(s->dma, PXA2XX_RX_RQ_I2S), 2360 qdev_get_gpio_in(s->dma, PXA2XX_TX_RQ_I2S)); 2361 2362 /* GPIO1 resets the processor */ 2363 /* The handler can be overridden by board-specific code */ 2364 qdev_connect_gpio_out(s->gpio, 1, s->reset); 2365 return s; 2366 } 2367 2368 static void pxa2xx_ssp_class_init(ObjectClass *klass, void *data) 2369 { 2370 DeviceClass *dc = DEVICE_CLASS(klass); 2371 2372 dc->reset = pxa2xx_ssp_reset; 2373 dc->vmsd = &vmstate_pxa2xx_ssp; 2374 } 2375 2376 static const TypeInfo pxa2xx_ssp_info = { 2377 .name = TYPE_PXA2XX_SSP, 2378 .parent = TYPE_SYS_BUS_DEVICE, 2379 .instance_size = sizeof(PXA2xxSSPState), 2380 .instance_init = pxa2xx_ssp_init, 2381 .class_init = pxa2xx_ssp_class_init, 2382 }; 2383 2384 static void pxa2xx_register_types(void) 2385 { 2386 type_register_static(&pxa2xx_i2c_slave_info); 2387 type_register_static(&pxa2xx_ssp_info); 2388 type_register_static(&pxa2xx_i2c_info); 2389 type_register_static(&pxa2xx_rtc_sysbus_info); 2390 type_register_static(&pxa2xx_fir_info); 2391 } 2392 2393 type_init(pxa2xx_register_types) 2394