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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 | /* * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. * * bridge.h - bridge chip header file, derived from IRIX <sys/PCI/bridge.h>, * revision 1.76. * * Copyright (C) 1996, 1999 Silcon Graphics, Inc. * Copyright (C) 1999 Ralf Baechle (ralf@gnu.org) */ #ifndef _ASM_PCI_BRIDGE_H #define _ASM_PCI_BRIDGE_H #include <linux/types.h> #include <asm/pci_channel.h> #include <asm/xtalk/xwidget.h> /* generic widget header */ /* I/O page size */ #define IOPFNSHIFT 12 /* 4K per mapped page */ #define IOPGSIZE (1 << IOPFNSHIFT) #define IOPG(x) ((x) >> IOPFNSHIFT) #define IOPGOFF(x) ((x) & (IOPGSIZE-1)) /* Bridge RAM sizes */ #define BRIDGE_ATE_RAM_SIZE 0x00000400 /* 1kB ATE RAM */ #define BRIDGE_CONFIG_BASE 0x20000 #define BRIDGE_CONFIG1_BASE 0x28000 #define BRIDGE_CONFIG_END 0x30000 #define BRIDGE_CONFIG_SLOT_SIZE 0x1000 #define BRIDGE_SSRAM_512K 0x00080000 /* 512kB */ #define BRIDGE_SSRAM_128K 0x00020000 /* 128kB */ #define BRIDGE_SSRAM_64K 0x00010000 /* 64kB */ #define BRIDGE_SSRAM_0K 0x00000000 /* 0kB */ /* ======================================================================== * Bridge address map */ #ifndef __ASSEMBLY__ /* * All accesses to bridge hardware registers must be done * using 32-bit loads and stores. */ typedef u32 bridgereg_t; typedef u64 bridge_ate_t; /* pointers to bridge ATEs * are always "pointer to volatile" */ typedef volatile bridge_ate_t *bridge_ate_p; /* * It is generally preferred that hardware registers on the bridge * are located from C code via this structure. * * Generated from Bridge spec dated 04oct95 */ typedef volatile struct bridge_s { /* Local Registers 0x000000-0x00FFFF */ /* standard widget configuration 0x000000-0x000057 */ widget_cfg_t b_widget; /* 0x000000 */ /* helper fieldnames for accessing bridge widget */ #define b_wid_id b_widget.w_id #define b_wid_stat b_widget.w_status #define b_wid_err_upper b_widget.w_err_upper_addr #define b_wid_err_lower b_widget.w_err_lower_addr #define b_wid_control b_widget.w_control #define b_wid_req_timeout b_widget.w_req_timeout #define b_wid_int_upper b_widget.w_intdest_upper_addr #define b_wid_int_lower b_widget.w_intdest_lower_addr #define b_wid_err_cmdword b_widget.w_err_cmd_word #define b_wid_llp b_widget.w_llp_cfg #define b_wid_tflush b_widget.w_tflush /* bridge-specific widget configuration 0x000058-0x00007F */ bridgereg_t _pad_000058; bridgereg_t b_wid_aux_err; /* 0x00005C */ bridgereg_t _pad_000060; bridgereg_t b_wid_resp_upper; /* 0x000064 */ bridgereg_t _pad_000068; bridgereg_t b_wid_resp_lower; /* 0x00006C */ bridgereg_t _pad_000070; bridgereg_t b_wid_tst_pin_ctrl; /* 0x000074 */ bridgereg_t _pad_000078[2]; /* PMU & Map 0x000080-0x00008F */ bridgereg_t _pad_000080; bridgereg_t b_dir_map; /* 0x000084 */ bridgereg_t _pad_000088[2]; /* SSRAM 0x000090-0x00009F */ bridgereg_t _pad_000090; bridgereg_t b_ram_perr; /* 0x000094 */ bridgereg_t _pad_000098[2]; /* Arbitration 0x0000A0-0x0000AF */ bridgereg_t _pad_0000A0; bridgereg_t b_arb; /* 0x0000A4 */ bridgereg_t _pad_0000A8[2]; /* Number In A Can 0x0000B0-0x0000BF */ bridgereg_t _pad_0000B0; bridgereg_t b_nic; /* 0x0000B4 */ bridgereg_t _pad_0000B8[2]; /* PCI/GIO 0x0000C0-0x0000FF */ bridgereg_t _pad_0000C0; bridgereg_t b_bus_timeout; /* 0x0000C4 */ #define b_pci_bus_timeout b_bus_timeout bridgereg_t _pad_0000C8; bridgereg_t b_pci_cfg; /* 0x0000CC */ bridgereg_t _pad_0000D0; bridgereg_t b_pci_err_upper; /* 0x0000D4 */ bridgereg_t _pad_0000D8; bridgereg_t b_pci_err_lower; /* 0x0000DC */ bridgereg_t _pad_0000E0[8]; #define b_gio_err_lower b_pci_err_lower #define b_gio_err_upper b_pci_err_upper /* Interrupt 0x000100-0x0001FF */ bridgereg_t _pad_000100; bridgereg_t b_int_status; /* 0x000104 */ bridgereg_t _pad_000108; bridgereg_t b_int_enable; /* 0x00010C */ bridgereg_t _pad_000110; bridgereg_t b_int_rst_stat; /* 0x000114 */ bridgereg_t _pad_000118; bridgereg_t b_int_mode; /* 0x00011C */ bridgereg_t _pad_000120; bridgereg_t b_int_device; /* 0x000124 */ bridgereg_t _pad_000128; bridgereg_t b_int_host_err; /* 0x00012C */ struct { bridgereg_t __pad; /* 0x0001{30,,,68} */ bridgereg_t addr; /* 0x0001{34,,,6C} */ } b_int_addr[8]; /* 0x000130 */ bridgereg_t _pad_000170[36]; /* Device 0x000200-0x0003FF */ struct { bridgereg_t __pad; /* 0x0002{00,,,38} */ bridgereg_t reg; /* 0x0002{04,,,3C} */ } b_device[8]; /* 0x000200 */ struct { bridgereg_t __pad; /* 0x0002{40,,,78} */ bridgereg_t reg; /* 0x0002{44,,,7C} */ } b_wr_req_buf[8]; /* 0x000240 */ struct { bridgereg_t __pad; /* 0x0002{80,,,88} */ bridgereg_t reg; /* 0x0002{84,,,8C} */ } b_rrb_map[2]; /* 0x000280 */ #define b_even_resp b_rrb_map[0].reg /* 0x000284 */ #define b_odd_resp b_rrb_map[1].reg /* 0x00028C */ bridgereg_t _pad_000290; bridgereg_t b_resp_status; /* 0x000294 */ bridgereg_t _pad_000298; bridgereg_t b_resp_clear; /* 0x00029C */ bridgereg_t _pad_0002A0[24]; char _pad_000300[0x10000 - 0x000300]; /* Internal Address Translation Entry RAM 0x010000-0x0103FF */ union { bridge_ate_t wr; /* write-only */ struct { bridgereg_t _p_pad; bridgereg_t rd; /* read-only */ } hi; } b_int_ate_ram[128]; char _pad_010400[0x11000 - 0x010400]; /* Internal Address Translation Entry RAM LOW 0x011000-0x0113FF */ struct { bridgereg_t _p_pad; bridgereg_t rd; /* read-only */ } b_int_ate_ram_lo[128]; char _pad_011400[0x20000 - 0x011400]; /* PCI Device Configuration Spaces 0x020000-0x027FFF */ union { /* make all access sizes available. */ u8 c[0x1000 / 1]; u16 s[0x1000 / 2]; u32 l[0x1000 / 4]; u64 d[0x1000 / 8]; union { u8 c[0x100 / 1]; u16 s[0x100 / 2]; u32 l[0x100 / 4]; u64 d[0x100 / 8]; } f[8]; } b_type0_cfg_dev[8]; /* 0x020000 */ /* PCI Type 1 Configuration Space 0x028000-0x028FFF */ union { /* make all access sizes available. */ u8 c[0x1000 / 1]; u16 s[0x1000 / 2]; u32 l[0x1000 / 4]; u64 d[0x1000 / 8]; } b_type1_cfg; /* 0x028000-0x029000 */ char _pad_029000[0x007000]; /* 0x029000-0x030000 */ /* PCI Interrupt Acknowledge Cycle 0x030000 */ union { u8 c[8 / 1]; u16 s[8 / 2]; u32 l[8 / 4]; u64 d[8 / 8]; } b_pci_iack; /* 0x030000 */ u8 _pad_030007[0x04fff8]; /* 0x030008-0x07FFFF */ /* External Address Translation Entry RAM 0x080000-0x0FFFFF */ bridge_ate_t b_ext_ate_ram[0x10000]; /* Reserved 0x100000-0x1FFFFF */ char _pad_100000[0x200000-0x100000]; /* PCI/GIO Device Spaces 0x200000-0xBFFFFF */ union { /* make all access sizes available. */ u8 c[0x100000 / 1]; u16 s[0x100000 / 2]; u32 l[0x100000 / 4]; u64 d[0x100000 / 8]; } b_devio_raw[10]; /* 0x200000 */ /* b_devio macro is a bit strange; it reflects the * fact that the Bridge ASIC provides 2M for the * first two DevIO windows and 1M for the other six. */ #define b_devio(n) b_devio_raw[((n)<2)?(n*2):(n+2)] /* External Flash Proms 1,0 0xC00000-0xFFFFFF */ union { /* make all access sizes available. */ u8 c[0x400000 / 1]; /* read-only */ u16 s[0x400000 / 2]; /* read-write */ u32 l[0x400000 / 4]; /* read-only */ u64 d[0x400000 / 8]; /* read-only */ } b_external_flash; /* 0xC00000 */ } bridge_t; /* * Field formats for Error Command Word and Auxillary Error Command Word * of bridge. */ typedef struct bridge_err_cmdword_s { union { u32 cmd_word; struct { u32 didn:4, /* Destination ID */ sidn:4, /* Source ID */ pactyp:4, /* Packet type */ tnum:5, /* Trans Number */ coh:1, /* Coh Transacti */ ds:2, /* Data size */ gbr:1, /* GBR enable */ vbpm:1, /* VBPM message */ error:1, /* Error occurred */ barr:1, /* Barrier op */ rsvd:8; } berr_st; } berr_un; } bridge_err_cmdword_t; #define berr_field berr_un.berr_st #endif /* !__ASSEMBLY__ */ /* * The values of these macros can and should be crosschecked * regularly against the offsets of the like-named fields * within the "bridge_t" structure above. */ /* Byte offset macros for Bridge internal registers */ #define BRIDGE_WID_ID WIDGET_ID #define BRIDGE_WID_STAT WIDGET_STATUS #define BRIDGE_WID_ERR_UPPER WIDGET_ERR_UPPER_ADDR #define BRIDGE_WID_ERR_LOWER WIDGET_ERR_LOWER_ADDR #define BRIDGE_WID_CONTROL WIDGET_CONTROL #define BRIDGE_WID_REQ_TIMEOUT WIDGET_REQ_TIMEOUT #define BRIDGE_WID_INT_UPPER WIDGET_INTDEST_UPPER_ADDR #define BRIDGE_WID_INT_LOWER WIDGET_INTDEST_LOWER_ADDR #define BRIDGE_WID_ERR_CMDWORD WIDGET_ERR_CMD_WORD #define BRIDGE_WID_LLP WIDGET_LLP_CFG #define BRIDGE_WID_TFLUSH WIDGET_TFLUSH #define BRIDGE_WID_AUX_ERR 0x00005C /* Aux Error Command Word */ #define BRIDGE_WID_RESP_UPPER 0x000064 /* Response Buf Upper Addr */ #define BRIDGE_WID_RESP_LOWER 0x00006C /* Response Buf Lower Addr */ #define BRIDGE_WID_TST_PIN_CTRL 0x000074 /* Test pin control */ #define BRIDGE_DIR_MAP 0x000084 /* Direct Map reg */ #define BRIDGE_RAM_PERR 0x000094 /* SSRAM Parity Error */ #define BRIDGE_ARB 0x0000A4 /* Arbitration Priority reg */ #define BRIDGE_NIC 0x0000B4 /* Number In A Can */ #define BRIDGE_BUS_TIMEOUT 0x0000C4 /* Bus Timeout Register */ #define BRIDGE_PCI_BUS_TIMEOUT BRIDGE_BUS_TIMEOUT #define BRIDGE_PCI_CFG 0x0000CC /* PCI Type 1 Config reg */ #define BRIDGE_PCI_ERR_UPPER 0x0000D4 /* PCI error Upper Addr */ #define BRIDGE_PCI_ERR_LOWER 0x0000DC /* PCI error Lower Addr */ #define BRIDGE_INT_STATUS 0x000104 /* Interrupt Status */ #define BRIDGE_INT_ENABLE 0x00010C /* Interrupt Enables */ #define BRIDGE_INT_RST_STAT 0x000114 /* Reset Intr Status */ #define BRIDGE_INT_MODE 0x00011C /* Interrupt Mode */ #define BRIDGE_INT_DEVICE 0x000124 /* Interrupt Device */ #define BRIDGE_INT_HOST_ERR 0x00012C /* Host Error Field */ #define BRIDGE_INT_ADDR0 0x000134 /* Host Address Reg */ #define BRIDGE_INT_ADDR_OFF 0x000008 /* Host Addr offset (1..7) */ #define BRIDGE_INT_ADDR(x) (BRIDGE_INT_ADDR0+(x)*BRIDGE_INT_ADDR_OFF) #define BRIDGE_DEVICE0 0x000204 /* Device 0 */ #define BRIDGE_DEVICE_OFF 0x000008 /* Device offset (1..7) */ #define BRIDGE_DEVICE(x) (BRIDGE_DEVICE0+(x)*BRIDGE_DEVICE_OFF) #define BRIDGE_WR_REQ_BUF0 0x000244 /* Write Request Buffer 0 */ #define BRIDGE_WR_REQ_BUF_OFF 0x000008 /* Buffer Offset (1..7) */ #define BRIDGE_WR_REQ_BUF(x) (BRIDGE_WR_REQ_BUF0+(x)*BRIDGE_WR_REQ_BUF_OFF) #define BRIDGE_EVEN_RESP 0x000284 /* Even Device Response Buf */ #define BRIDGE_ODD_RESP 0x00028C /* Odd Device Response Buf */ #define BRIDGE_RESP_STATUS 0x000294 /* Read Response Status reg */ #define BRIDGE_RESP_CLEAR 0x00029C /* Read Response Clear reg */ /* Byte offset macros for Bridge I/O space */ #define BRIDGE_ATE_RAM 0x00010000 /* Internal Addr Xlat Ram */ #define BRIDGE_TYPE0_CFG_DEV0 0x00020000 /* Type 0 Cfg, Device 0 */ #define BRIDGE_TYPE0_CFG_SLOT_OFF 0x00001000 /* Type 0 Cfg Slot Offset (1..7) */ #define BRIDGE_TYPE0_CFG_FUNC_OFF 0x00000100 /* Type 0 Cfg Func Offset (1..7) */ #define BRIDGE_TYPE0_CFG_DEV(s) (BRIDGE_TYPE0_CFG_DEV0+\ (s)*BRIDGE_TYPE0_CFG_SLOT_OFF) #define BRIDGE_TYPE0_CFG_DEVF(s,f) (BRIDGE_TYPE0_CFG_DEV0+\ (s)*BRIDGE_TYPE0_CFG_SLOT_OFF+\ (f)*BRIDGE_TYPE0_CFG_FUNC_OFF) #define BRIDGE_TYPE1_CFG 0x00028000 /* Type 1 Cfg space */ #define BRIDGE_PCI_IACK 0x00030000 /* PCI Interrupt Ack */ #define BRIDGE_EXT_SSRAM 0x00080000 /* Extern SSRAM (ATE) */ /* Byte offset macros for Bridge device IO spaces */ #define BRIDGE_DEV_CNT 8 /* Up to 8 devices per bridge */ #define BRIDGE_DEVIO0 0x00200000 /* Device IO 0 Addr */ #define BRIDGE_DEVIO1 0x00400000 /* Device IO 1 Addr */ #define BRIDGE_DEVIO2 0x00600000 /* Device IO 2 Addr */ #define BRIDGE_DEVIO_OFF 0x00100000 /* Device IO Offset (3..7) */ #define BRIDGE_DEVIO_2MB 0x00200000 /* Device IO Offset (0..1) */ #define BRIDGE_DEVIO_1MB 0x00100000 /* Device IO Offset (2..7) */ #define BRIDGE_DEVIO(x) ((x)<=1 ? BRIDGE_DEVIO0+(x)*BRIDGE_DEVIO_2MB : BRIDGE_DEVIO2+((x)-2)*BRIDGE_DEVIO_1MB) #define BRIDGE_EXTERNAL_FLASH 0x00C00000 /* External Flash PROMS */ /* ======================================================================== * Bridge register bit field definitions */ /* Widget part number of bridge */ #define BRIDGE_WIDGET_PART_NUM 0xc002 #define XBRIDGE_WIDGET_PART_NUM 0xd002 /* Manufacturer of bridge */ #define BRIDGE_WIDGET_MFGR_NUM 0x036 #define XBRIDGE_WIDGET_MFGR_NUM 0x024 /* Revision numbers for known Bridge revisions */ #define BRIDGE_REV_A 0x1 #define BRIDGE_REV_B 0x2 #define BRIDGE_REV_C 0x3 #define BRIDGE_REV_D 0x4 /* Bridge widget status register bits definition */ #define BRIDGE_STAT_LLP_REC_CNT (0xFFu << 24) #define BRIDGE_STAT_LLP_TX_CNT (0xFF << 16) #define BRIDGE_STAT_FLASH_SELECT (0x1 << 6) #define BRIDGE_STAT_PCI_GIO_N (0x1 << 5) #define BRIDGE_STAT_PENDING (0x1F << 0) /* Bridge widget control register bits definition */ #define BRIDGE_CTRL_FLASH_WR_EN (0x1ul << 31) #define BRIDGE_CTRL_EN_CLK50 (0x1 << 30) #define BRIDGE_CTRL_EN_CLK40 (0x1 << 29) #define BRIDGE_CTRL_EN_CLK33 (0x1 << 28) #define BRIDGE_CTRL_RST(n) ((n) << 24) #define BRIDGE_CTRL_RST_MASK (BRIDGE_CTRL_RST(0xF)) #define BRIDGE_CTRL_RST_PIN(x) (BRIDGE_CTRL_RST(0x1 << (x))) #define BRIDGE_CTRL_IO_SWAP (0x1 << 23) #define BRIDGE_CTRL_MEM_SWAP (0x1 << 22) #define BRIDGE_CTRL_PAGE_SIZE (0x1 << 21) #define BRIDGE_CTRL_SS_PAR_BAD (0x1 << 20) #define BRIDGE_CTRL_SS_PAR_EN (0x1 << 19) #define BRIDGE_CTRL_SSRAM_SIZE(n) ((n) << 17) #define BRIDGE_CTRL_SSRAM_SIZE_MASK (BRIDGE_CTRL_SSRAM_SIZE(0x3)) #define BRIDGE_CTRL_SSRAM_512K (BRIDGE_CTRL_SSRAM_SIZE(0x3)) #define BRIDGE_CTRL_SSRAM_128K (BRIDGE_CTRL_SSRAM_SIZE(0x2)) #define BRIDGE_CTRL_SSRAM_64K (BRIDGE_CTRL_SSRAM_SIZE(0x1)) #define BRIDGE_CTRL_SSRAM_1K (BRIDGE_CTRL_SSRAM_SIZE(0x0)) #define BRIDGE_CTRL_F_BAD_PKT (0x1 << 16) #define BRIDGE_CTRL_LLP_XBAR_CRD(n) ((n) << 12) #define BRIDGE_CTRL_LLP_XBAR_CRD_MASK (BRIDGE_CTRL_LLP_XBAR_CRD(0xf)) #define BRIDGE_CTRL_CLR_RLLP_CNT (0x1 << 11) #define BRIDGE_CTRL_CLR_TLLP_CNT (0x1 << 10) #define BRIDGE_CTRL_SYS_END (0x1 << 9) #define BRIDGE_CTRL_MAX_TRANS(n) ((n) << 4) #define BRIDGE_CTRL_MAX_TRANS_MASK (BRIDGE_CTRL_MAX_TRANS(0x1f)) #define BRIDGE_CTRL_WIDGET_ID(n) ((n) << 0) #define BRIDGE_CTRL_WIDGET_ID_MASK (BRIDGE_CTRL_WIDGET_ID(0xf)) /* Bridge Response buffer Error Upper Register bit fields definition */ #define BRIDGE_RESP_ERRUPPR_DEVNUM_SHFT (20) #define BRIDGE_RESP_ERRUPPR_DEVNUM_MASK (0x7 << BRIDGE_RESP_ERRUPPR_DEVNUM_SHFT) #define BRIDGE_RESP_ERRUPPR_BUFNUM_SHFT (16) #define BRIDGE_RESP_ERRUPPR_BUFNUM_MASK (0xF << BRIDGE_RESP_ERRUPPR_BUFNUM_SHFT) #define BRIDGE_RESP_ERRRUPPR_BUFMASK (0xFFFF) #define BRIDGE_RESP_ERRUPPR_BUFNUM(x) \ (((x) & BRIDGE_RESP_ERRUPPR_BUFNUM_MASK) >> \ BRIDGE_RESP_ERRUPPR_BUFNUM_SHFT) #define BRIDGE_RESP_ERRUPPR_DEVICE(x) \ (((x) & BRIDGE_RESP_ERRUPPR_DEVNUM_MASK) >> \ BRIDGE_RESP_ERRUPPR_DEVNUM_SHFT) /* Bridge direct mapping register bits definition */ #define BRIDGE_DIRMAP_W_ID_SHFT 20 #define BRIDGE_DIRMAP_W_ID (0xf << BRIDGE_DIRMAP_W_ID_SHFT) #define BRIDGE_DIRMAP_RMF_64 (0x1 << 18) #define BRIDGE_DIRMAP_ADD512 (0x1 << 17) #define BRIDGE_DIRMAP_OFF (0x1ffff << 0) #define BRIDGE_DIRMAP_OFF_ADDRSHFT (31) /* lsbit of DIRMAP_OFF is xtalk address bit 31 */ /* Bridge Arbitration register bits definition */ #define BRIDGE_ARB_REQ_WAIT_TICK(x) ((x) << 16) #define BRIDGE_ARB_REQ_WAIT_TICK_MASK BRIDGE_ARB_REQ_WAIT_TICK(0x3) #define BRIDGE_ARB_REQ_WAIT_EN(x) ((x) << 8) #define BRIDGE_ARB_REQ_WAIT_EN_MASK BRIDGE_ARB_REQ_WAIT_EN(0xff) #define BRIDGE_ARB_FREEZE_GNT (1 << 6) #define BRIDGE_ARB_HPRI_RING_B2 (1 << 5) #define BRIDGE_ARB_HPRI_RING_B1 (1 << 4) #define BRIDGE_ARB_HPRI_RING_B0 (1 << 3) #define BRIDGE_ARB_LPRI_RING_B2 (1 << 2) #define BRIDGE_ARB_LPRI_RING_B1 (1 << 1) #define BRIDGE_ARB_LPRI_RING_B0 (1 << 0) /* Bridge Bus time-out register bits definition */ #define BRIDGE_BUS_PCI_RETRY_HLD(x) ((x) << 16) #define BRIDGE_BUS_PCI_RETRY_HLD_MASK BRIDGE_BUS_PCI_RETRY_HLD(0x1f) #define BRIDGE_BUS_GIO_TIMEOUT (1 << 12) #define BRIDGE_BUS_PCI_RETRY_CNT(x) ((x) << 0) #define BRIDGE_BUS_PCI_RETRY_MASK BRIDGE_BUS_PCI_RETRY_CNT(0x3ff) /* Bridge interrupt status register bits definition */ #define BRIDGE_ISR_MULTI_ERR (0x1u << 31) #define BRIDGE_ISR_PMU_ESIZE_FAULT (0x1 << 30) #define BRIDGE_ISR_UNEXP_RESP (0x1 << 29) #define BRIDGE_ISR_BAD_XRESP_PKT (0x1 << 28) #define BRIDGE_ISR_BAD_XREQ_PKT (0x1 << 27) #define BRIDGE_ISR_RESP_XTLK_ERR (0x1 << 26) #define BRIDGE_ISR_REQ_XTLK_ERR (0x1 << 25) #define BRIDGE_ISR_INVLD_ADDR (0x1 << 24) #define BRIDGE_ISR_UNSUPPORTED_XOP (0x1 << 23) #define BRIDGE_ISR_XREQ_FIFO_OFLOW (0x1 << 22) #define BRIDGE_ISR_LLP_REC_SNERR (0x1 << 21) #define BRIDGE_ISR_LLP_REC_CBERR (0x1 << 20) #define BRIDGE_ISR_LLP_RCTY (0x1 << 19) #define BRIDGE_ISR_LLP_TX_RETRY (0x1 << 18) #define BRIDGE_ISR_LLP_TCTY (0x1 << 17) #define BRIDGE_ISR_SSRAM_PERR (0x1 << 16) #define BRIDGE_ISR_PCI_ABORT (0x1 << 15) #define BRIDGE_ISR_PCI_PARITY (0x1 << 14) #define BRIDGE_ISR_PCI_SERR (0x1 << 13) #define BRIDGE_ISR_PCI_PERR (0x1 << 12) #define BRIDGE_ISR_PCI_MST_TIMEOUT (0x1 << 11) #define BRIDGE_ISR_GIO_MST_TIMEOUT BRIDGE_ISR_PCI_MST_TIMEOUT #define BRIDGE_ISR_PCI_RETRY_CNT (0x1 << 10) #define BRIDGE_ISR_XREAD_REQ_TIMEOUT (0x1 << 9) #define BRIDGE_ISR_GIO_B_ENBL_ERR (0x1 << 8) #define BRIDGE_ISR_INT_MSK (0xff << 0) #define BRIDGE_ISR_INT(x) (0x1 << (x)) #define BRIDGE_ISR_LINK_ERROR \ (BRIDGE_ISR_LLP_REC_SNERR|BRIDGE_ISR_LLP_REC_CBERR| \ BRIDGE_ISR_LLP_RCTY|BRIDGE_ISR_LLP_TX_RETRY| \ BRIDGE_ISR_LLP_TCTY) #define BRIDGE_ISR_PCIBUS_PIOERR \ (BRIDGE_ISR_PCI_MST_TIMEOUT|BRIDGE_ISR_PCI_ABORT) #define BRIDGE_ISR_PCIBUS_ERROR \ (BRIDGE_ISR_PCIBUS_PIOERR|BRIDGE_ISR_PCI_PERR| \ BRIDGE_ISR_PCI_SERR|BRIDGE_ISR_PCI_RETRY_CNT| \ BRIDGE_ISR_PCI_PARITY) #define BRIDGE_ISR_XTALK_ERROR \ (BRIDGE_ISR_XREAD_REQ_TIMEOUT|BRIDGE_ISR_XREQ_FIFO_OFLOW|\ BRIDGE_ISR_UNSUPPORTED_XOP|BRIDGE_ISR_INVLD_ADDR| \ BRIDGE_ISR_REQ_XTLK_ERR|BRIDGE_ISR_RESP_XTLK_ERR| \ BRIDGE_ISR_BAD_XREQ_PKT|BRIDGE_ISR_BAD_XRESP_PKT| \ BRIDGE_ISR_UNEXP_RESP) #define BRIDGE_ISR_ERRORS \ (BRIDGE_ISR_LINK_ERROR|BRIDGE_ISR_PCIBUS_ERROR| \ BRIDGE_ISR_XTALK_ERROR|BRIDGE_ISR_SSRAM_PERR| \ BRIDGE_ISR_PMU_ESIZE_FAULT) /* * List of Errors which are fatal and kill the sytem */ #define BRIDGE_ISR_ERROR_FATAL \ ((BRIDGE_ISR_XTALK_ERROR & ~BRIDGE_ISR_XREAD_REQ_TIMEOUT)|\ BRIDGE_ISR_PCI_SERR|BRIDGE_ISR_PCI_PARITY ) #define BRIDGE_ISR_ERROR_DUMP \ (BRIDGE_ISR_PCIBUS_ERROR|BRIDGE_ISR_PMU_ESIZE_FAULT| \ BRIDGE_ISR_XTALK_ERROR|BRIDGE_ISR_SSRAM_PERR) /* Bridge interrupt enable register bits definition */ #define BRIDGE_IMR_UNEXP_RESP BRIDGE_ISR_UNEXP_RESP #define BRIDGE_IMR_PMU_ESIZE_FAULT BRIDGE_ISR_PMU_ESIZE_FAULT #define BRIDGE_IMR_BAD_XRESP_PKT BRIDGE_ISR_BAD_XRESP_PKT #define BRIDGE_IMR_BAD_XREQ_PKT BRIDGE_ISR_BAD_XREQ_PKT #define BRIDGE_IMR_RESP_XTLK_ERR BRIDGE_ISR_RESP_XTLK_ERR #define BRIDGE_IMR_REQ_XTLK_ERR BRIDGE_ISR_REQ_XTLK_ERR #define BRIDGE_IMR_INVLD_ADDR BRIDGE_ISR_INVLD_ADDR #define BRIDGE_IMR_UNSUPPORTED_XOP BRIDGE_ISR_UNSUPPORTED_XOP #define BRIDGE_IMR_XREQ_FIFO_OFLOW BRIDGE_ISR_XREQ_FIFO_OFLOW #define BRIDGE_IMR_LLP_REC_SNERR BRIDGE_ISR_LLP_REC_SNERR #define BRIDGE_IMR_LLP_REC_CBERR BRIDGE_ISR_LLP_REC_CBERR #define BRIDGE_IMR_LLP_RCTY BRIDGE_ISR_LLP_RCTY #define BRIDGE_IMR_LLP_TX_RETRY BRIDGE_ISR_LLP_TX_RETRY #define BRIDGE_IMR_LLP_TCTY BRIDGE_ISR_LLP_TCTY #define BRIDGE_IMR_SSRAM_PERR BRIDGE_ISR_SSRAM_PERR #define BRIDGE_IMR_PCI_ABORT BRIDGE_ISR_PCI_ABORT #define BRIDGE_IMR_PCI_PARITY BRIDGE_ISR_PCI_PARITY #define BRIDGE_IMR_PCI_SERR BRIDGE_ISR_PCI_SERR #define BRIDGE_IMR_PCI_PERR BRIDGE_ISR_PCI_PERR #define BRIDGE_IMR_PCI_MST_TIMEOUT BRIDGE_ISR_PCI_MST_TIMEOUT #define BRIDGE_IMR_GIO_MST_TIMEOUT BRIDGE_ISR_GIO_MST_TIMEOUT #define BRIDGE_IMR_PCI_RETRY_CNT BRIDGE_ISR_PCI_RETRY_CNT #define BRIDGE_IMR_XREAD_REQ_TIMEOUT BRIDGE_ISR_XREAD_REQ_TIMEOUT #define BRIDGE_IMR_GIO_B_ENBL_ERR BRIDGE_ISR_GIO_B_ENBL_ERR #define BRIDGE_IMR_INT_MSK BRIDGE_ISR_INT_MSK #define BRIDGE_IMR_INT(x) BRIDGE_ISR_INT(x) /* Bridge interrupt reset register bits definition */ #define BRIDGE_IRR_MULTI_CLR (0x1 << 6) #define BRIDGE_IRR_CRP_GRP_CLR (0x1 << 5) #define BRIDGE_IRR_RESP_BUF_GRP_CLR (0x1 << 4) #define BRIDGE_IRR_REQ_DSP_GRP_CLR (0x1 << 3) #define BRIDGE_IRR_LLP_GRP_CLR (0x1 << 2) #define BRIDGE_IRR_SSRAM_GRP_CLR (0x1 << 1) #define BRIDGE_IRR_PCI_GRP_CLR (0x1 << 0) #define BRIDGE_IRR_GIO_GRP_CLR (0x1 << 0) #define BRIDGE_IRR_ALL_CLR 0x7f #define BRIDGE_IRR_CRP_GRP (BRIDGE_ISR_UNEXP_RESP | \ BRIDGE_ISR_XREQ_FIFO_OFLOW) #define BRIDGE_IRR_RESP_BUF_GRP (BRIDGE_ISR_BAD_XRESP_PKT | \ BRIDGE_ISR_RESP_XTLK_ERR | \ BRIDGE_ISR_XREAD_REQ_TIMEOUT) #define BRIDGE_IRR_REQ_DSP_GRP (BRIDGE_ISR_UNSUPPORTED_XOP | \ BRIDGE_ISR_BAD_XREQ_PKT | \ BRIDGE_ISR_REQ_XTLK_ERR | \ BRIDGE_ISR_INVLD_ADDR) #define BRIDGE_IRR_LLP_GRP (BRIDGE_ISR_LLP_REC_SNERR | \ BRIDGE_ISR_LLP_REC_CBERR | \ BRIDGE_ISR_LLP_RCTY | \ BRIDGE_ISR_LLP_TX_RETRY | \ BRIDGE_ISR_LLP_TCTY) #define BRIDGE_IRR_SSRAM_GRP (BRIDGE_ISR_SSRAM_PERR | \ BRIDGE_ISR_PMU_ESIZE_FAULT) #define BRIDGE_IRR_PCI_GRP (BRIDGE_ISR_PCI_ABORT | \ BRIDGE_ISR_PCI_PARITY | \ BRIDGE_ISR_PCI_SERR | \ BRIDGE_ISR_PCI_PERR | \ BRIDGE_ISR_PCI_MST_TIMEOUT | \ BRIDGE_ISR_PCI_RETRY_CNT) #define BRIDGE_IRR_GIO_GRP (BRIDGE_ISR_GIO_B_ENBL_ERR | \ BRIDGE_ISR_GIO_MST_TIMEOUT) /* Bridge INT_DEV register bits definition */ #define BRIDGE_INT_DEV_SHFT(n) ((n)*3) #define BRIDGE_INT_DEV_MASK(n) (0x7 << BRIDGE_INT_DEV_SHFT(n)) #define BRIDGE_INT_DEV_SET(_dev, _line) (_dev << BRIDGE_INT_DEV_SHFT(_line)) /* Bridge interrupt(x) register bits definition */ #define BRIDGE_INT_ADDR_HOST 0x0003FF00 #define BRIDGE_INT_ADDR_FLD 0x000000FF #define BRIDGE_TMO_PCI_RETRY_HLD_MASK 0x1f0000 #define BRIDGE_TMO_GIO_TIMEOUT_MASK 0x001000 #define BRIDGE_TMO_PCI_RETRY_CNT_MASK 0x0003ff #define BRIDGE_TMO_PCI_RETRY_CNT_MAX 0x3ff /* * The NASID should be shifted by this amount and stored into the * interrupt(x) register. */ #define BRIDGE_INT_ADDR_NASID_SHFT 8 /* * The BRIDGE_INT_ADDR_DEST_IO bit should be set to send an interrupt to * memory. */ #define BRIDGE_INT_ADDR_DEST_IO (1 << 17) #define BRIDGE_INT_ADDR_DEST_MEM 0 #define BRIDGE_INT_ADDR_MASK (1 << 17) /* Bridge device(x) register bits definition */ #define BRIDGE_DEV_ERR_LOCK_EN 0x10000000 #define BRIDGE_DEV_PAGE_CHK_DIS 0x08000000 #define BRIDGE_DEV_FORCE_PCI_PAR 0x04000000 #define BRIDGE_DEV_VIRTUAL_EN 0x02000000 #define BRIDGE_DEV_PMU_WRGA_EN 0x01000000 #define BRIDGE_DEV_DIR_WRGA_EN 0x00800000 #define BRIDGE_DEV_DEV_SIZE 0x00400000 #define BRIDGE_DEV_RT 0x00200000 #define BRIDGE_DEV_SWAP_PMU 0x00100000 #define BRIDGE_DEV_SWAP_DIR 0x00080000 #define BRIDGE_DEV_PREF 0x00040000 #define BRIDGE_DEV_PRECISE 0x00020000 #define BRIDGE_DEV_COH 0x00010000 #define BRIDGE_DEV_BARRIER 0x00008000 #define BRIDGE_DEV_GBR 0x00004000 #define BRIDGE_DEV_DEV_SWAP 0x00002000 #define BRIDGE_DEV_DEV_IO_MEM 0x00001000 #define BRIDGE_DEV_OFF_MASK 0x00000fff #define BRIDGE_DEV_OFF_ADDR_SHFT 20 #define BRIDGE_DEV_PMU_BITS (BRIDGE_DEV_PMU_WRGA_EN | \ BRIDGE_DEV_SWAP_PMU) #define BRIDGE_DEV_D32_BITS (BRIDGE_DEV_DIR_WRGA_EN | \ BRIDGE_DEV_SWAP_DIR | \ BRIDGE_DEV_PREF | \ BRIDGE_DEV_PRECISE | \ BRIDGE_DEV_COH | \ BRIDGE_DEV_BARRIER) #define BRIDGE_DEV_D64_BITS (BRIDGE_DEV_DIR_WRGA_EN | \ BRIDGE_DEV_SWAP_DIR | \ BRIDGE_DEV_COH | \ BRIDGE_DEV_BARRIER) /* Bridge Error Upper register bit field definition */ #define BRIDGE_ERRUPPR_DEVMASTER (0x1 << 20) /* Device was master */ #define BRIDGE_ERRUPPR_PCIVDEV (0x1 << 19) /* Virtual Req value */ #define BRIDGE_ERRUPPR_DEVNUM_SHFT (16) #define BRIDGE_ERRUPPR_DEVNUM_MASK (0x7 << BRIDGE_ERRUPPR_DEVNUM_SHFT) #define BRIDGE_ERRUPPR_DEVICE(err) (((err) >> BRIDGE_ERRUPPR_DEVNUM_SHFT) & 0x7) #define BRIDGE_ERRUPPR_ADDRMASK (0xFFFF) /* Bridge interrupt mode register bits definition */ #define BRIDGE_INTMODE_CLR_PKT_EN(x) (0x1 << (x)) /* this should be written to the xbow's link_control(x) register */ #define BRIDGE_CREDIT 3 /* RRB assignment register */ #define BRIDGE_RRB_EN 0x8 /* after shifting down */ #define BRIDGE_RRB_DEV 0x7 /* after shifting down */ #define BRIDGE_RRB_VDEV 0x4 /* after shifting down */ #define BRIDGE_RRB_PDEV 0x3 /* after shifting down */ /* RRB status register */ #define BRIDGE_RRB_VALID(r) (0x00010000<<(r)) #define BRIDGE_RRB_INUSE(r) (0x00000001<<(r)) /* RRB clear register */ #define BRIDGE_RRB_CLEAR(r) (0x00000001<<(r)) /* xbox system controller declarations */ #define XBOX_BRIDGE_WID 8 #define FLASH_PROM1_BASE 0xE00000 /* To read the xbox sysctlr status */ #define XBOX_RPS_EXISTS 1 << 6 /* RPS bit in status register */ #define XBOX_RPS_FAIL 1 << 4 /* RPS status bit in register */ /* ======================================================================== */ /* * Macros for Xtalk to Bridge bus (PCI/GIO) PIO * refer to section 4.2.1 of Bridge Spec for xtalk to PCI/GIO PIO mappings */ /* XTALK addresses that map into Bridge Bus addr space */ #define BRIDGE_PIO32_XTALK_ALIAS_BASE 0x000040000000L #define BRIDGE_PIO32_XTALK_ALIAS_LIMIT 0x00007FFFFFFFL #define BRIDGE_PIO64_XTALK_ALIAS_BASE 0x000080000000L #define BRIDGE_PIO64_XTALK_ALIAS_LIMIT 0x0000BFFFFFFFL #define BRIDGE_PCIIO_XTALK_ALIAS_BASE 0x000100000000L #define BRIDGE_PCIIO_XTALK_ALIAS_LIMIT 0x0001FFFFFFFFL /* Ranges of PCI bus space that can be accessed via PIO from xtalk */ #define BRIDGE_MIN_PIO_ADDR_MEM 0x00000000 /* 1G PCI memory space */ #define BRIDGE_MAX_PIO_ADDR_MEM 0x3fffffff #define BRIDGE_MIN_PIO_ADDR_IO 0x00000000 /* 4G PCI IO space */ #define BRIDGE_MAX_PIO_ADDR_IO 0xffffffff /* XTALK addresses that map into PCI addresses */ #define BRIDGE_PCI_MEM32_BASE BRIDGE_PIO32_XTALK_ALIAS_BASE #define BRIDGE_PCI_MEM32_LIMIT BRIDGE_PIO32_XTALK_ALIAS_LIMIT #define BRIDGE_PCI_MEM64_BASE BRIDGE_PIO64_XTALK_ALIAS_BASE #define BRIDGE_PCI_MEM64_LIMIT BRIDGE_PIO64_XTALK_ALIAS_LIMIT #define BRIDGE_PCI_IO_BASE BRIDGE_PCIIO_XTALK_ALIAS_BASE #define BRIDGE_PCI_IO_LIMIT BRIDGE_PCIIO_XTALK_ALIAS_LIMIT /* * Macros for Bridge bus (PCI/GIO) to Xtalk DMA */ /* Bridge Bus DMA addresses */ #define BRIDGE_LOCAL_BASE 0 #define BRIDGE_DMA_MAPPED_BASE 0x40000000 #define BRIDGE_DMA_MAPPED_SIZE 0x40000000 /* 1G Bytes */ #define BRIDGE_DMA_DIRECT_BASE 0x80000000 #define BRIDGE_DMA_DIRECT_SIZE 0x80000000 /* 2G Bytes */ #define PCI32_LOCAL_BASE BRIDGE_LOCAL_BASE /* PCI addresses of regions decoded by Bridge for DMA */ #define PCI32_MAPPED_BASE BRIDGE_DMA_MAPPED_BASE #define PCI32_DIRECT_BASE BRIDGE_DMA_DIRECT_BASE #define IS_PCI32_LOCAL(x) ((ulong_t)(x) < PCI32_MAPPED_BASE) #define IS_PCI32_MAPPED(x) ((ulong_t)(x) < PCI32_DIRECT_BASE && \ (ulong_t)(x) >= PCI32_MAPPED_BASE) #define IS_PCI32_DIRECT(x) ((ulong_t)(x) >= PCI32_MAPPED_BASE) #define IS_PCI64(x) ((ulong_t)(x) >= PCI64_BASE) /* * The GIO address space. */ /* Xtalk to GIO PIO */ #define BRIDGE_GIO_MEM32_BASE BRIDGE_PIO32_XTALK_ALIAS_BASE #define BRIDGE_GIO_MEM32_LIMIT BRIDGE_PIO32_XTALK_ALIAS_LIMIT #define GIO_LOCAL_BASE BRIDGE_LOCAL_BASE /* GIO addresses of regions decoded by Bridge for DMA */ #define GIO_MAPPED_BASE BRIDGE_DMA_MAPPED_BASE #define GIO_DIRECT_BASE BRIDGE_DMA_DIRECT_BASE #define IS_GIO_LOCAL(x) ((ulong_t)(x) < GIO_MAPPED_BASE) #define IS_GIO_MAPPED(x) ((ulong_t)(x) < GIO_DIRECT_BASE && \ (ulong_t)(x) >= GIO_MAPPED_BASE) #define IS_GIO_DIRECT(x) ((ulong_t)(x) >= GIO_MAPPED_BASE) /* PCI to xtalk mapping */ /* given a DIR_OFF value and a pci/gio 32 bits direct address, determine * which xtalk address is accessed */ #define BRIDGE_DIRECT_32_SEG_SIZE BRIDGE_DMA_DIRECT_SIZE #define BRIDGE_DIRECT_32_TO_XTALK(dir_off,adr) \ ((dir_off) * BRIDGE_DIRECT_32_SEG_SIZE + \ ((adr) & (BRIDGE_DIRECT_32_SEG_SIZE - 1)) + PHYS_RAMBASE) /* 64-bit address attribute masks */ #define PCI64_ATTR_TARG_MASK 0xf000000000000000 #define PCI64_ATTR_TARG_SHFT 60 #define PCI64_ATTR_PREF 0x0800000000000000 #define PCI64_ATTR_PREC 0x0400000000000000 #define PCI64_ATTR_VIRTUAL 0x0200000000000000 #define PCI64_ATTR_BAR 0x0100000000000000 #define PCI64_ATTR_RMF_MASK 0x00ff000000000000 #define PCI64_ATTR_RMF_SHFT 48 #ifndef __ASSEMBLY__ /* Address translation entry for mapped pci32 accesses */ typedef union ate_u { u64 ent; struct ate_s { u64 rmf:16; u64 addr:36; u64 targ:4; u64 reserved:3; u64 barrier:1; u64 prefetch:1; u64 precise:1; u64 coherent:1; u64 valid:1; } field; } ate_t; #endif /* !__ASSEMBLY__ */ #define ATE_V 0x01 #define ATE_CO 0x02 #define ATE_PREC 0x04 #define ATE_PREF 0x08 #define ATE_BAR 0x10 #define ATE_PFNSHIFT 12 #define ATE_TIDSHIFT 8 #define ATE_RMFSHIFT 48 #define mkate(xaddr, xid, attr) ((xaddr) & 0x0000fffffffff000ULL) | \ ((xid)<<ATE_TIDSHIFT) | \ (attr) #define BRIDGE_INTERNAL_ATES 128 struct bridge_controller { struct pci_controller pc; struct resource mem; struct resource io; bridge_t *base; nasid_t nasid; unsigned int widget_id; unsigned int irq_cpu; dma64_addr_t baddr; }; #define BRIDGE_CONTROLLER(bus) \ ((struct bridge_controller *)((bus)->sysdata)) #endif /* _ASM_PCI_BRIDGE_H */ |