1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * Copyright (C) 2007-2009 coresystems GmbH 4 * Copyright (C) 2016 Bin Meng <bmeng.cn (at) gmail.com> 5 * 6 * Modified from coreboot src/soc/intel/baytrail/acpi/irqlinks.asl 7 */ 8 9 /* 10 * Intel chipset PIRQ routing control ASL description 11 * 12 * The programming interface is common to most Intel chipsets. But the PRTx 13 * registers may be mapped to different blocks. Some chipsets map them to LPC 14 * device (00:1f:00) PCI configuration space (like TunnelCreek, Quark), while 15 * some newer Atom SoCs (like BayTrail, Braswell) map them to Intel Legacy 16 * Block (ILB) memory space. 17 * 18 * This file defines 8 PCI IRQ link devices which corresponds to 8 PIRQ lines 19 * PIRQ A/B/C/D/E/F/G/H. To incorperate this file, the PRTx registers must be 20 * defined somewhere else in the platform's ASL files. 21 */ 22 23 Device (LNKA) 24 { 25 Name(_HID, EISAID("PNP0C0F")) 26 Name(_UID, 1) 27 28 /* Disable method */ 29 Method(_DIS, 0, Serialized) 30 { 31 Store(0x80, PRTA) 32 } 33 34 /* Possible Resource Settings for this Link */ 35 Name(_PRS, ResourceTemplate() 36 { 37 IRQ(Level, ActiveLow, Shared) { 5, 6, 7, 10, 11, 12, 14, 15 } 38 }) 39 40 /* Current Resource Settings for this link */ 41 Method(_CRS, 0, Serialized) 42 { 43 Name(RTLA, ResourceTemplate() 44 { 45 IRQ(Level, ActiveLow, Shared) {} 46 }) 47 CreateWordField(RTLA, 1, IRQ0) 48 49 /* Clear the WordField */ 50 Store(Zero, IRQ0) 51 52 /* Set the bit from PRTA */ 53 ShiftLeft(1, And(PRTA, 0x0f), IRQ0) 54 55 Return (RTLA) 56 } 57 58 /* Set Resource Setting for this IRQ link */ 59 Method(_SRS, 1, Serialized) 60 { 61 CreateWordField(Arg0, 1, IRQ0) 62 63 /* Which bit is set? */ 64 FindSetRightBit(IRQ0, Local0) 65 66 Decrement(Local0) 67 Store(Local0, PRTA) 68 } 69 70 /* Status */ 71 Method(_STA, 0, Serialized) 72 { 73 If (And(PRTA, 0x80)) { 74 Return (STA_DISABLED) 75 } Else { 76 Return (STA_INVISIBLE) 77 } 78 } 79 } 80 81 Device (LNKB) 82 { 83 Name(_HID, EISAID("PNP0C0F")) 84 Name(_UID, 2) 85 86 /* Disable method */ 87 Method(_DIS, 0, Serialized) 88 { 89 Store(0x80, PRTB) 90 } 91 92 /* Possible Resource Settings for this Link */ 93 Name(_PRS, ResourceTemplate() 94 { 95 IRQ(Level, ActiveLow, Shared) { 5, 6, 7, 10, 11, 12, 14, 15 } 96 }) 97 98 /* Current Resource Settings for this link */ 99 Method(_CRS, 0, Serialized) 100 { 101 Name(RTLB, ResourceTemplate() 102 { 103 IRQ(Level, ActiveLow, Shared) {} 104 }) 105 CreateWordField(RTLB, 1, IRQ0) 106 107 /* Clear the WordField */ 108 Store(Zero, IRQ0) 109 110 /* Set the bit from PRTB */ 111 ShiftLeft(1, And(PRTB, 0x0f), IRQ0) 112 113 Return (RTLB) 114 } 115 116 /* Set Resource Setting for this IRQ link */ 117 Method(_SRS, 1, Serialized) 118 { 119 CreateWordField(Arg0, 1, IRQ0) 120 121 /* Which bit is set? */ 122 FindSetRightBit(IRQ0, Local0) 123 124 Decrement(Local0) 125 Store(Local0, PRTB) 126 } 127 128 /* Status */ 129 Method(_STA, 0, Serialized) 130 { 131 If (And(PRTB, 0x80)) { 132 Return (STA_DISABLED) 133 } Else { 134 Return (STA_INVISIBLE) 135 } 136 } 137 } 138 139 Device (LNKC) 140 { 141 Name(_HID, EISAID("PNP0C0F")) 142 Name(_UID, 3) 143 144 /* Disable method */ 145 Method(_DIS, 0, Serialized) 146 { 147 Store(0x80, PRTC) 148 } 149 150 /* Possible Resource Settings for this Link */ 151 Name(_PRS, ResourceTemplate() 152 { 153 IRQ(Level, ActiveLow, Shared) { 5, 6, 7, 10, 11, 12, 14, 15 } 154 }) 155 156 /* Current Resource Settings for this link */ 157 Method(_CRS, 0, Serialized) 158 { 159 Name(RTLC, ResourceTemplate() 160 { 161 IRQ(Level, ActiveLow, Shared) {} 162 }) 163 CreateWordField(RTLC, 1, IRQ0) 164 165 /* Clear the WordField */ 166 Store(Zero, IRQ0) 167 168 /* Set the bit from PRTC */ 169 ShiftLeft(1, And(PRTC, 0x0f), IRQ0) 170 171 Return (RTLC) 172 } 173 174 /* Set Resource Setting for this IRQ link */ 175 Method(_SRS, 1, Serialized) 176 { 177 CreateWordField(Arg0, 1, IRQ0) 178 179 /* Which bit is set? */ 180 FindSetRightBit(IRQ0, Local0) 181 182 Decrement(Local0) 183 Store(Local0, PRTC) 184 } 185 186 /* Status */ 187 Method(_STA, 0, Serialized) 188 { 189 If (And(PRTC, 0x80)) { 190 Return (STA_DISABLED) 191 } Else { 192 Return (STA_INVISIBLE) 193 } 194 } 195 } 196 197 Device (LNKD) 198 { 199 Name(_HID, EISAID("PNP0C0F")) 200 Name(_UID, 4) 201 202 /* Disable method */ 203 Method(_DIS, 0, Serialized) 204 { 205 Store(0x80, PRTD) 206 } 207 208 /* Possible Resource Settings for this Link */ 209 Name(_PRS, ResourceTemplate() 210 { 211 IRQ(Level, ActiveLow, Shared) { 5, 6, 7, 10, 11, 12, 14, 15 } 212 }) 213 214 /* Current Resource Settings for this link */ 215 Method(_CRS, 0, Serialized) 216 { 217 Name(RTLD, ResourceTemplate() 218 { 219 IRQ(Level, ActiveLow, Shared) {} 220 }) 221 CreateWordField(RTLD, 1, IRQ0) 222 223 /* Clear the WordField */ 224 Store(Zero, IRQ0) 225 226 /* Set the bit from PRTD */ 227 ShiftLeft(1, And(PRTD, 0x0f), IRQ0) 228 229 Return (RTLD) 230 } 231 232 /* Set Resource Setting for this IRQ link */ 233 Method(_SRS, 1, Serialized) 234 { 235 CreateWordField(Arg0, 1, IRQ0) 236 237 /* Which bit is set? */ 238 FindSetRightBit(IRQ0, Local0) 239 240 Decrement(Local0) 241 Store(Local0, PRTD) 242 } 243 244 /* Status */ 245 Method(_STA, 0, Serialized) 246 { 247 If (And(PRTD, 0x80)) { 248 Return (STA_DISABLED) 249 } Else { 250 Return (STA_INVISIBLE) 251 } 252 } 253 } 254 255 Device (LNKE) 256 { 257 Name(_HID, EISAID("PNP0C0F")) 258 Name(_UID, 5) 259 260 /* Disable method */ 261 Method(_DIS, 0, Serialized) 262 { 263 Store(0x80, PRTE) 264 } 265 266 /* Possible Resource Settings for this Link */ 267 Name(_PRS, ResourceTemplate() 268 { 269 IRQ(Level, ActiveLow, Shared) { 5, 6, 7, 10, 11, 12, 14, 15 } 270 }) 271 272 /* Current Resource Settings for this link */ 273 Method(_CRS, 0, Serialized) 274 { 275 Name(RTLE, ResourceTemplate() 276 { 277 IRQ(Level, ActiveLow, Shared) {} 278 }) 279 CreateWordField(RTLE, 1, IRQ0) 280 281 /* Clear the WordField */ 282 Store(Zero, IRQ0) 283 284 /* Set the bit from PRTE */ 285 ShiftLeft(1, And(PRTE, 0x0f), IRQ0) 286 287 Return (RTLE) 288 } 289 290 /* Set Resource Setting for this IRQ link */ 291 Method(_SRS, 1, Serialized) 292 { 293 CreateWordField(Arg0, 1, IRQ0) 294 295 /* Which bit is set? */ 296 FindSetRightBit(IRQ0, Local0) 297 298 Decrement(Local0) 299 Store(Local0, PRTE) 300 } 301 302 /* Status */ 303 Method(_STA, 0, Serialized) 304 { 305 If (And(PRTE, 0x80)) { 306 Return (STA_DISABLED) 307 } Else { 308 Return (STA_INVISIBLE) 309 } 310 } 311 } 312 313 Device (LNKF) 314 { 315 Name(_HID, EISAID("PNP0C0F")) 316 Name(_UID, 6) 317 318 /* Disable method */ 319 Method(_DIS, 0, Serialized) 320 { 321 Store(0x80, PRTF) 322 } 323 324 /* Possible Resource Settings for this Link */ 325 Name(_PRS, ResourceTemplate() 326 { 327 IRQ(Level, ActiveLow, Shared) { 5, 6, 7, 10, 11, 12, 14, 15 } 328 }) 329 330 /* Current Resource Settings for this link */ 331 Method(_CRS, 0, Serialized) 332 { 333 Name(RTLF, ResourceTemplate() 334 { 335 IRQ(Level, ActiveLow, Shared) {} 336 }) 337 CreateWordField(RTLF, 1, IRQ0) 338 339 /* Clear the WordField */ 340 Store(Zero, IRQ0) 341 342 /* Set the bit from PRTF */ 343 ShiftLeft(1, And(PRTF, 0x0f), IRQ0) 344 345 Return (RTLF) 346 } 347 348 /* Set Resource Setting for this IRQ link */ 349 Method(_SRS, 1, Serialized) 350 { 351 CreateWordField(Arg0, 1, IRQ0) 352 353 /* Which bit is set? */ 354 FindSetRightBit(IRQ0, Local0) 355 356 Decrement(Local0) 357 Store(Local0, PRTF) 358 } 359 360 /* Status */ 361 Method(_STA, 0, Serialized) 362 { 363 If (And(PRTF, 0x80)) { 364 Return (STA_DISABLED) 365 } Else { 366 Return (STA_INVISIBLE) 367 } 368 } 369 } 370 371 Device (LNKG) 372 { 373 Name(_HID, EISAID("PNP0C0F")) 374 Name(_UID, 7) 375 376 /* Disable method */ 377 Method(_DIS, 0, Serialized) 378 { 379 Store(0x80, PRTG) 380 } 381 382 /* Possible Resource Settings for this Link */ 383 Name(_PRS, ResourceTemplate() 384 { 385 IRQ(Level, ActiveLow, Shared) { 5, 6, 7, 10, 11, 12, 14, 15 } 386 }) 387 388 /* Current Resource Settings for this link */ 389 Method(_CRS, 0, Serialized) 390 { 391 Name(RTLG, ResourceTemplate() 392 { 393 IRQ(Level, ActiveLow, Shared) {} 394 }) 395 CreateWordField(RTLG, 1, IRQ0) 396 397 /* Clear the WordField */ 398 Store(Zero, IRQ0) 399 400 /* Set the bit from PRTG */ 401 ShiftLeft(1, And(PRTG, 0x0f), IRQ0) 402 403 Return (RTLG) 404 } 405 406 /* Set Resource Setting for this IRQ link */ 407 Method(_SRS, 1, Serialized) 408 { 409 CreateWordField(Arg0, 1, IRQ0) 410 411 /* Which bit is set? */ 412 FindSetRightBit(IRQ0, Local0) 413 414 Decrement(Local0) 415 Store(Local0, PRTG) 416 } 417 418 /* Status */ 419 Method(_STA, 0, Serialized) 420 { 421 If (And(PRTG, 0x80)) { 422 Return (STA_DISABLED) 423 } Else { 424 Return (STA_INVISIBLE) 425 } 426 } 427 } 428 429 Device (LNKH) 430 { 431 Name(_HID, EISAID("PNP0C0F")) 432 Name(_UID, 8) 433 434 /* Disable method */ 435 Method(_DIS, 0, Serialized) 436 { 437 Store(0x80, PRTH) 438 } 439 440 /* Possible Resource Settings for this Link */ 441 Name(_PRS, ResourceTemplate() 442 { 443 IRQ(Level, ActiveLow, Shared) { 5, 6, 7, 10, 11, 12, 14, 15 } 444 }) 445 446 /* Current Resource Settings for this link */ 447 Method(_CRS, 0, Serialized) 448 { 449 Name(RTLH, ResourceTemplate() 450 { 451 IRQ(Level, ActiveLow, Shared) {} 452 }) 453 CreateWordField(RTLH, 1, IRQ0) 454 455 /* Clear the WordField */ 456 Store(Zero, IRQ0) 457 458 /* Set the bit from PRTH */ 459 ShiftLeft(1, And(PRTH, 0x0f), IRQ0) 460 461 Return (RTLH) 462 } 463 464 /* Set Resource Setting for this IRQ link */ 465 Method(_SRS, 1, Serialized) 466 { 467 CreateWordField(Arg0, 1, IRQ0) 468 469 /* Which bit is set? */ 470 FindSetRightBit(IRQ0, Local0) 471 472 Decrement(Local0) 473 Store(Local0, PRTH) 474 } 475 476 /* Status */ 477 Method(_STA, 0, Serialized) 478 { 479 If (And(PRTH, 0x80)) { 480 Return (STA_DISABLED) 481 } Else { 482 Return (STA_INVISIBLE) 483 } 484 } 485 } 486
