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  1. /*
  2.  *  The PCI Library -- PCI Header Structure (based on <linux/pci.h>)
  3.  *
  4.  *  Copyright (c) 1997--2005 Martin Mares <mj@ucw.cz>
  5.  *
  6.  *  May 8, 2006 - Modified and ported to HelenOS by Jakub Jermar.
  7.  *
  8.  *  Can be freely distributed and used under the terms of the GNU GPL.
  9.  */
  10.  
  11. /*
  12.  * Under PCI, each device has 256 bytes of configuration address space,
  13.  * of which the first 64 bytes are standardized as follows:
  14.  */
  15. #define PCI_VENDOR_ID       0x00    /* 16 bits */
  16. #define PCI_DEVICE_ID       0x02    /* 16 bits */
  17. #define PCI_COMMAND     0x04    /* 16 bits */
  18. #define  PCI_COMMAND_IO     0x1 /* Enable response in I/O space */
  19. #define  PCI_COMMAND_MEMORY 0x2 /* Enable response in Memory space */
  20. #define  PCI_COMMAND_MASTER 0x4 /* Enable bus mastering */
  21. #define  PCI_COMMAND_SPECIAL    0x8 /* Enable response to special cycles */
  22. #define  PCI_COMMAND_INVALIDATE 0x10    /* Use memory write and invalidate */
  23. #define  PCI_COMMAND_VGA_PALETTE 0x20   /* Enable palette snooping */
  24. #define  PCI_COMMAND_PARITY 0x40    /* Enable parity checking */
  25. #define  PCI_COMMAND_WAIT   0x80    /* Enable address/data stepping */
  26. #define  PCI_COMMAND_SERR   0x100   /* Enable SERR */
  27. #define  PCI_COMMAND_FAST_BACK  0x200   /* Enable back-to-back writes */
  28.  
  29. #define PCI_STATUS      0x06    /* 16 bits */
  30. #define  PCI_STATUS_CAP_LIST    0x10    /* Support Capability List */
  31. #define  PCI_STATUS_66MHZ   0x20    /* Support 66 Mhz PCI 2.1 bus */
  32. #define  PCI_STATUS_UDF     0x40    /* Support User Definable Features [obsolete] */
  33. #define  PCI_STATUS_FAST_BACK   0x80    /* Accept fast-back to back */
  34. #define  PCI_STATUS_PARITY  0x100   /* Detected parity error */
  35. #define  PCI_STATUS_DEVSEL_MASK 0x600   /* DEVSEL timing */
  36. #define  PCI_STATUS_DEVSEL_FAST 0x000
  37. #define  PCI_STATUS_DEVSEL_MEDIUM 0x200
  38. #define  PCI_STATUS_DEVSEL_SLOW 0x400
  39. #define  PCI_STATUS_SIG_TARGET_ABORT 0x800  /* Set on target abort */
  40. #define  PCI_STATUS_REC_TARGET_ABORT 0x1000 /* Master ack of " */
  41. #define  PCI_STATUS_REC_MASTER_ABORT 0x2000 /* Set on master abort */
  42. #define  PCI_STATUS_SIG_SYSTEM_ERROR 0x4000 /* Set when we drive SERR */
  43. #define  PCI_STATUS_DETECTED_PARITY 0x8000  /* Set on parity error */
  44.  
  45. #define PCI_CLASS_REVISION  0x08    /* High 24 bits are class, low 8
  46.                        revision */
  47. #define PCI_REVISION_ID         0x08    /* Revision ID */
  48. #define PCI_CLASS_PROG          0x09    /* Reg. Level Programming Interface */
  49. #define PCI_CLASS_DEVICE        0x0a    /* Device class */
  50.  
  51. #define PCI_CACHE_LINE_SIZE 0x0c    /* 8 bits */
  52. #define PCI_LATENCY_TIMER   0x0d    /* 8 bits */
  53. #define PCI_HEADER_TYPE     0x0e    /* 8 bits */
  54. #define  PCI_HEADER_TYPE_NORMAL 0
  55. #define  PCI_HEADER_TYPE_BRIDGE 1
  56. #define  PCI_HEADER_TYPE_CARDBUS 2
  57.  
  58. #define PCI_BIST        0x0f    /* 8 bits */
  59. #define PCI_BIST_CODE_MASK  0x0f    /* Return result */
  60. #define PCI_BIST_START      0x40    /* 1 to start BIST, 2 secs or less */
  61. #define PCI_BIST_CAPABLE    0x80    /* 1 if BIST capable */
  62.  
  63. /*
  64.  * Base addresses specify locations in memory or I/O space.
  65.  * Decoded size can be determined by writing a value of
  66.  * 0xffffffff to the register, and reading it back.  Only
  67.  * 1 bits are decoded.
  68.  */
  69. #define PCI_BASE_ADDRESS_0  0x10    /* 32 bits */
  70. #define PCI_BASE_ADDRESS_1  0x14    /* 32 bits [htype 0,1 only] */
  71. #define PCI_BASE_ADDRESS_2  0x18    /* 32 bits [htype 0 only] */
  72. #define PCI_BASE_ADDRESS_3  0x1c    /* 32 bits */
  73. #define PCI_BASE_ADDRESS_4  0x20    /* 32 bits */
  74. #define PCI_BASE_ADDRESS_5  0x24    /* 32 bits */
  75. #define  PCI_BASE_ADDRESS_SPACE 0x01    /* 0 = memory, 1 = I/O */
  76. #define  PCI_BASE_ADDRESS_SPACE_IO 0x01
  77. #define  PCI_BASE_ADDRESS_SPACE_MEMORY 0x00
  78. #define  PCI_BASE_ADDRESS_MEM_TYPE_MASK 0x06
  79. #define  PCI_BASE_ADDRESS_MEM_TYPE_32   0x00    /* 32 bit address */
  80. #define  PCI_BASE_ADDRESS_MEM_TYPE_1M   0x02    /* Below 1M [obsolete] */
  81. #define  PCI_BASE_ADDRESS_MEM_TYPE_64   0x04    /* 64 bit address */
  82. #define  PCI_BASE_ADDRESS_MEM_PREFETCH  0x08    /* prefetchable? */
  83. #define  PCI_BASE_ADDRESS_MEM_MASK  (~(pciaddr_t)0x0f)
  84. #define  PCI_BASE_ADDRESS_IO_MASK   (~(pciaddr_t)0x03)
  85. /* bit 1 is reserved if address_space = 1 */
  86.  
  87. /* Header type 0 (normal devices) */
  88. #define PCI_CARDBUS_CIS     0x28
  89. #define PCI_SUBSYSTEM_VENDOR_ID 0x2c
  90. #define PCI_SUBSYSTEM_ID    0x2e
  91. #define PCI_ROM_ADDRESS     0x30    /* Bits 31..11 are address, 10..1 reserved */
  92. #define  PCI_ROM_ADDRESS_ENABLE 0x01
  93. #define PCI_ROM_ADDRESS_MASK    (~(pciaddr_t)0x7ff)
  94.  
  95. #define PCI_CAPABILITY_LIST 0x34    /* Offset of first capability list entry */
  96.  
  97. /* 0x35-0x3b are reserved */
  98. #define PCI_INTERRUPT_LINE  0x3c    /* 8 bits */
  99. #define PCI_INTERRUPT_PIN   0x3d    /* 8 bits */
  100. #define PCI_MIN_GNT     0x3e    /* 8 bits */
  101. #define PCI_MAX_LAT     0x3f    /* 8 bits */
  102.  
  103. /* Header type 1 (PCI-to-PCI bridges) */
  104. #define PCI_PRIMARY_BUS     0x18    /* Primary bus number */
  105. #define PCI_SECONDARY_BUS   0x19    /* Secondary bus number */
  106. #define PCI_SUBORDINATE_BUS 0x1a    /* Highest bus number behind the bridge */
  107. #define PCI_SEC_LATENCY_TIMER   0x1b    /* Latency timer for secondary interface */
  108. #define PCI_IO_BASE     0x1c    /* I/O range behind the bridge */
  109. #define PCI_IO_LIMIT        0x1d
  110. #define  PCI_IO_RANGE_TYPE_MASK 0x0f    /* I/O bridging type */
  111. #define  PCI_IO_RANGE_TYPE_16   0x00
  112. #define  PCI_IO_RANGE_TYPE_32   0x01
  113. #define  PCI_IO_RANGE_MASK  ~0x0f
  114. #define PCI_SEC_STATUS      0x1e    /* Secondary status register */
  115. #define PCI_MEMORY_BASE     0x20    /* Memory range behind */
  116. #define PCI_MEMORY_LIMIT    0x22
  117. #define  PCI_MEMORY_RANGE_TYPE_MASK 0x0f
  118. #define  PCI_MEMORY_RANGE_MASK  ~0x0f
  119. #define PCI_PREF_MEMORY_BASE    0x24    /* Prefetchable memory range behind */
  120. #define PCI_PREF_MEMORY_LIMIT   0x26
  121. #define  PCI_PREF_RANGE_TYPE_MASK 0x0f
  122. #define  PCI_PREF_RANGE_TYPE_32 0x00
  123. #define  PCI_PREF_RANGE_TYPE_64 0x01
  124. #define  PCI_PREF_RANGE_MASK    ~0x0f
  125. #define PCI_PREF_BASE_UPPER32   0x28    /* Upper half of prefetchable memory range */
  126. #define PCI_PREF_LIMIT_UPPER32  0x2c
  127. #define PCI_IO_BASE_UPPER16 0x30    /* Upper half of I/O addresses */
  128. #define PCI_IO_LIMIT_UPPER16    0x32
  129. /* 0x34 same as for htype 0 */
  130. /* 0x35-0x3b is reserved */
  131. #define PCI_ROM_ADDRESS1    0x38    /* Same as PCI_ROM_ADDRESS, but for htype 1 */
  132. /* 0x3c-0x3d are same as for htype 0 */
  133. #define PCI_BRIDGE_CONTROL  0x3e
  134. #define  PCI_BRIDGE_CTL_PARITY  0x01    /* Enable parity detection on secondary interface */
  135. #define  PCI_BRIDGE_CTL_SERR    0x02    /* The same for SERR forwarding */
  136. #define  PCI_BRIDGE_CTL_NO_ISA  0x04    /* Disable bridging of ISA ports */
  137. #define  PCI_BRIDGE_CTL_VGA 0x08    /* Forward VGA addresses */
  138. #define  PCI_BRIDGE_CTL_MASTER_ABORT 0x20   /* Report master aborts */
  139. #define  PCI_BRIDGE_CTL_BUS_RESET 0x40  /* Secondary bus reset */
  140. #define  PCI_BRIDGE_CTL_FAST_BACK 0x80  /* Fast Back2Back enabled on secondary interface */
  141.  
  142. /* Header type 2 (CardBus bridges) */
  143. /* 0x14-0x15 reserved */
  144. #define PCI_CB_SEC_STATUS   0x16    /* Secondary status */
  145. #define PCI_CB_PRIMARY_BUS  0x18    /* PCI bus number */
  146. #define PCI_CB_CARD_BUS     0x19    /* CardBus bus number */
  147. #define PCI_CB_SUBORDINATE_BUS  0x1a    /* Subordinate bus number */
  148. #define PCI_CB_LATENCY_TIMER    0x1b    /* CardBus latency timer */
  149. #define PCI_CB_MEMORY_BASE_0    0x1c
  150. #define PCI_CB_MEMORY_LIMIT_0   0x20
  151. #define PCI_CB_MEMORY_BASE_1    0x24
  152. #define PCI_CB_MEMORY_LIMIT_1   0x28
  153. #define PCI_CB_IO_BASE_0    0x2c
  154. #define PCI_CB_IO_BASE_0_HI 0x2e
  155. #define PCI_CB_IO_LIMIT_0   0x30
  156. #define PCI_CB_IO_LIMIT_0_HI    0x32
  157. #define PCI_CB_IO_BASE_1    0x34
  158. #define PCI_CB_IO_BASE_1_HI 0x36
  159. #define PCI_CB_IO_LIMIT_1   0x38
  160. #define PCI_CB_IO_LIMIT_1_HI    0x3a
  161. #define  PCI_CB_IO_RANGE_MASK   ~0x03
  162. /* 0x3c-0x3d are same as for htype 0 */
  163. #define PCI_CB_BRIDGE_CONTROL   0x3e
  164. #define  PCI_CB_BRIDGE_CTL_PARITY   0x01    /* Similar to standard bridge control register */
  165. #define  PCI_CB_BRIDGE_CTL_SERR     0x02
  166. #define  PCI_CB_BRIDGE_CTL_ISA      0x04
  167. #define  PCI_CB_BRIDGE_CTL_VGA      0x08
  168. #define  PCI_CB_BRIDGE_CTL_MASTER_ABORT 0x20
  169. #define  PCI_CB_BRIDGE_CTL_CB_RESET 0x40    /* CardBus reset */
  170. #define  PCI_CB_BRIDGE_CTL_16BIT_INT    0x80    /* Enable interrupt for 16-bit cards */
  171. #define  PCI_CB_BRIDGE_CTL_PREFETCH_MEM0 0x100  /* Prefetch enable for both memory regions */
  172. #define  PCI_CB_BRIDGE_CTL_PREFETCH_MEM1 0x200
  173. #define  PCI_CB_BRIDGE_CTL_POST_WRITES  0x400
  174. #define PCI_CB_SUBSYSTEM_VENDOR_ID 0x40
  175. #define PCI_CB_SUBSYSTEM_ID 0x42
  176. #define PCI_CB_LEGACY_MODE_BASE 0x44    /* 16-bit PC Card legacy mode base address (ExCa) */
  177. /* 0x48-0x7f reserved */
  178.  
  179. /* Capability lists */
  180.  
  181. #define PCI_CAP_LIST_ID     0   /* Capability ID */
  182. #define  PCI_CAP_ID_PM      0x01    /* Power Management */
  183. #define  PCI_CAP_ID_AGP     0x02    /* Accelerated Graphics Port */
  184. #define  PCI_CAP_ID_VPD     0x03    /* Vital Product Data */
  185. #define  PCI_CAP_ID_SLOTID  0x04    /* Slot Identification */
  186. #define  PCI_CAP_ID_MSI     0x05    /* Message Signalled Interrupts */
  187. #define  PCI_CAP_ID_CHSWP   0x06    /* CompactPCI HotSwap */
  188. #define  PCI_CAP_ID_PCIX        0x07    /* PCI-X */
  189. #define  PCI_CAP_ID_HT          0x08    /* HyperTransport */
  190. #define  PCI_CAP_ID_VNDR    0x09    /* Vendor specific */
  191. #define  PCI_CAP_ID_DBG     0x0A    /* Debug port */
  192. #define  PCI_CAP_ID_CCRC    0x0B    /* CompactPCI Central Resource Control */
  193. #define  PCI_CAP_ID_AGP3    0x0E    /* AGP 8x */
  194. #define  PCI_CAP_ID_EXP     0x10    /* PCI Express */
  195. #define  PCI_CAP_ID_MSIX    0x11    /* MSI-X */
  196. #define PCI_CAP_LIST_NEXT   1   /* Next capability in the list */
  197. #define PCI_CAP_FLAGS       2   /* Capability defined flags (16 bits) */
  198. #define PCI_CAP_SIZEOF      4
  199.  
  200. /* Capabilities residing in the PCI Express extended configuration space */
  201.  
  202. #define PCI_EXT_CAP_ID_AER  0x01    /* Advanced Error Reporting */
  203. #define PCI_EXT_CAP_ID_VC   0x02    /* Virtual Channel */
  204. #define PCI_EXT_CAP_ID_DSN  0x03    /* Device Serial Number */
  205. #define PCI_EXT_CAP_ID_PB   0x04    /* Power Budgeting */
  206.  
  207. /* Power Management Registers */
  208.  
  209. #define  PCI_PM_CAP_VER_MASK    0x0007  /* Version (2=PM1.1) */
  210. #define  PCI_PM_CAP_PME_CLOCK   0x0008  /* Clock required for PME generation */
  211. #define  PCI_PM_CAP_DSI     0x0020  /* Device specific initialization required */
  212. #define  PCI_PM_CAP_AUX_C_MASK  0x01c0  /* Maximum aux current required in D3cold */
  213. #define  PCI_PM_CAP_D1      0x0200  /* D1 power state support */
  214. #define  PCI_PM_CAP_D2      0x0400  /* D2 power state support */
  215. #define  PCI_PM_CAP_PME_D0  0x0800  /* PME can be asserted from D0 */
  216. #define  PCI_PM_CAP_PME_D1  0x1000  /* PME can be asserted from D1 */
  217. #define  PCI_PM_CAP_PME_D2  0x2000  /* PME can be asserted from D2 */
  218. #define  PCI_PM_CAP_PME_D3_HOT  0x4000  /* PME can be asserted from D3hot */
  219. #define  PCI_PM_CAP_PME_D3_COLD 0x8000  /* PME can be asserted from D3cold */
  220. #define PCI_PM_CTRL     4   /* PM control and status register */
  221. #define  PCI_PM_CTRL_STATE_MASK 0x0003  /* Current power state (D0 to D3) */
  222. #define  PCI_PM_CTRL_PME_ENABLE 0x0100  /* PME pin enable */
  223. #define  PCI_PM_CTRL_DATA_SEL_MASK  0x1e00  /* PM table data index */
  224. #define  PCI_PM_CTRL_DATA_SCALE_MASK    0x6000  /* PM table data scaling factor */
  225. #define  PCI_PM_CTRL_PME_STATUS 0x8000  /* PME pin status */
  226. #define PCI_PM_PPB_EXTENSIONS   6   /* PPB support extensions */
  227. #define  PCI_PM_PPB_B2_B3   0x40    /* If bridge enters D3hot, bus enters: 0=B3, 1=B2 */
  228. #define  PCI_PM_BPCC_ENABLE 0x80    /* Secondary bus is power managed */
  229. #define PCI_PM_DATA_REGISTER    7   /* PM table contents read here */
  230. #define PCI_PM_SIZEOF       8
  231.  
  232. /* AGP registers */
  233.  
  234. #define PCI_AGP_VERSION     2   /* BCD version number */
  235. #define PCI_AGP_RFU     3   /* Rest of capability flags */
  236. #define PCI_AGP_STATUS      4   /* Status register */
  237. #define  PCI_AGP_STATUS_RQ_MASK 0xff000000  /* Maximum number of requests - 1 */
  238. #define  PCI_AGP_STATUS_ISOCH   0x10000 /* Isochronous transactions supported */
  239. #define  PCI_AGP_STATUS_ARQSZ_MASK  0xe000  /* log2(optimum async req size in bytes) - 4 */
  240. #define  PCI_AGP_STATUS_CAL_MASK    0x1c00  /* Calibration cycle timing */
  241. #define  PCI_AGP_STATUS_SBA 0x0200  /* Sideband addressing supported */
  242. #define  PCI_AGP_STATUS_ITA_COH 0x0100  /* In-aperture accesses always coherent */
  243. #define  PCI_AGP_STATUS_GART64  0x0080  /* 64-bit GART entries supported */
  244. #define  PCI_AGP_STATUS_HTRANS  0x0040  /* If 0, core logic can xlate host CPU accesses thru aperture */
  245. #define  PCI_AGP_STATUS_64BIT   0x0020  /* 64-bit addressing cycles supported */
  246. #define  PCI_AGP_STATUS_FW  0x0010  /* Fast write transfers supported */
  247. #define  PCI_AGP_STATUS_AGP3    0x0008  /* AGP3 mode supported */
  248. #define  PCI_AGP_STATUS_RATE4   0x0004  /* 4x transfer rate supported (RFU in AGP3 mode) */
  249. #define  PCI_AGP_STATUS_RATE2   0x0002  /* 2x transfer rate supported (8x in AGP3 mode) */
  250. #define  PCI_AGP_STATUS_RATE1   0x0001  /* 1x transfer rate supported (4x in AGP3 mode) */
  251. #define PCI_AGP_COMMAND     8   /* Control register */
  252. #define  PCI_AGP_COMMAND_RQ_MASK 0xff000000 /* Master: Maximum number of requests */
  253. #define  PCI_AGP_COMMAND_ARQSZ_MASK 0xe000  /* log2(optimum async req size in bytes) - 4 */
  254. #define  PCI_AGP_COMMAND_CAL_MASK   0x1c00  /* Calibration cycle timing */
  255. #define  PCI_AGP_COMMAND_SBA    0x0200  /* Sideband addressing enabled */
  256. #define  PCI_AGP_COMMAND_AGP    0x0100  /* Allow processing of AGP transactions */
  257. #define  PCI_AGP_COMMAND_GART64 0x0080  /* 64-bit GART entries enabled */
  258. #define  PCI_AGP_COMMAND_64BIT  0x0020  /* Allow generation of 64-bit addr cycles */
  259. #define  PCI_AGP_COMMAND_FW 0x0010  /* Enable FW transfers */
  260. #define  PCI_AGP_COMMAND_RATE4  0x0004  /* Use 4x rate (RFU in AGP3 mode) */
  261. #define  PCI_AGP_COMMAND_RATE2  0x0002  /* Use 2x rate (8x in AGP3 mode) */
  262. #define  PCI_AGP_COMMAND_RATE1  0x0001  /* Use 1x rate (4x in AGP3 mode) */
  263. #define PCI_AGP_SIZEOF      12
  264.  
  265. /* Slot Identification */
  266.  
  267. #define PCI_SID_ESR     2   /* Expansion Slot Register */
  268. #define  PCI_SID_ESR_NSLOTS 0x1f    /* Number of expansion slots available */
  269. #define  PCI_SID_ESR_FIC    0x20    /* First In Chassis Flag */
  270. #define PCI_SID_CHASSIS_NR  3   /* Chassis Number */
  271.  
  272. /* Message Signalled Interrupts registers */
  273.  
  274. #define PCI_MSI_FLAGS       2   /* Various flags */
  275. #define  PCI_MSI_FLAGS_64BIT    0x80    /* 64-bit addresses allowed */
  276. #define  PCI_MSI_FLAGS_QSIZE    0x70    /* Message queue size configured */
  277. #define  PCI_MSI_FLAGS_QMASK    0x0e    /* Maximum queue size available */
  278. #define  PCI_MSI_FLAGS_ENABLE   0x01    /* MSI feature enabled */
  279. #define PCI_MSI_RFU     3   /* Rest of capability flags */
  280. #define PCI_MSI_ADDRESS_LO  4   /* Lower 32 bits */
  281. #define PCI_MSI_ADDRESS_HI  8   /* Upper 32 bits (if PCI_MSI_FLAGS_64BIT set) */
  282. #define PCI_MSI_DATA_32     8   /* 16 bits of data for 32-bit devices */
  283. #define PCI_MSI_DATA_64     12  /* 16 bits of data for 64-bit devices */
  284.  
  285. /* PCI-X */
  286. #define PCI_PCIX_COMMAND                                                2   /* Command register offset */
  287. #define PCI_PCIX_COMMAND_DPERE                                     0x0001   /* Data Parity Error Recover Enable */
  288. #define PCI_PCIX_COMMAND_ERO                                       0x0002   /* Enable Relaxed Ordering */
  289. #define PCI_PCIX_COMMAND_MAX_MEM_READ_BYTE_COUNT                   0x000c   /* Maximum Memory Read Byte Count */
  290. #define PCI_PCIX_COMMAND_MAX_OUTSTANDING_SPLIT_TRANS               0x0070
  291. #define PCI_PCIX_COMMAND_RESERVED                                   0xf80
  292. #define PCI_PCIX_STATUS                                                 4   /* Status register offset */
  293. #define PCI_PCIX_STATUS_FUNCTION                               0x00000007
  294. #define PCI_PCIX_STATUS_DEVICE                                 0x000000f8
  295. #define PCI_PCIX_STATUS_BUS                                    0x0000ff00
  296. #define PCI_PCIX_STATUS_64BIT                                  0x00010000
  297. #define PCI_PCIX_STATUS_133MHZ                                 0x00020000
  298. #define PCI_PCIX_STATUS_SC_DISCARDED                           0x00040000   /* Split Completion Discarded */
  299. #define PCI_PCIX_STATUS_UNEXPECTED_SC                          0x00080000   /* Unexpected Split Completion */
  300. #define PCI_PCIX_STATUS_DEVICE_COMPLEXITY                      0x00100000   /* 0 = simple device, 1 = bridge device */
  301. #define PCI_PCIX_STATUS_DESIGNED_MAX_MEM_READ_BYTE_COUNT       0x00600000   /* 0 = 512 bytes, 1 = 1024, 2 = 2048, 3 = 4096 */
  302. #define PCI_PCIX_STATUS_DESIGNED_MAX_OUTSTANDING_SPLIT_TRANS   0x03800000
  303. #define PCI_PCIX_STATUS_DESIGNED_MAX_CUMULATIVE_READ_SIZE      0x1c000000
  304. #define PCI_PCIX_STATUS_RCVD_SC_ERR_MESS                       0x20000000   /* Received Split Completion Error Message */
  305. #define PCI_PCIX_STATUS_266MHZ                     0x40000000   /* 266 MHz capable */
  306. #define PCI_PCIX_STATUS_533MHZ                     0x80000000   /* 533 MHz capable */
  307. #define PCI_PCIX_SIZEOF     4
  308.  
  309. /* PCI-X Bridges */
  310. #define PCI_PCIX_BRIDGE_SEC_STATUS                                      2   /* Secondary bus status register offset */
  311. #define PCI_PCIX_BRIDGE_SEC_STATUS_64BIT                           0x0001
  312. #define PCI_PCIX_BRIDGE_SEC_STATUS_133MHZ                          0x0002
  313. #define PCI_PCIX_BRIDGE_SEC_STATUS_SC_DISCARDED                    0x0004   /* Split Completion Discarded on secondary bus */
  314. #define PCI_PCIX_BRIDGE_SEC_STATUS_UNEXPECTED_SC                   0x0008   /* Unexpected Split Completion on secondary bus */
  315. #define PCI_PCIX_BRIDGE_SEC_STATUS_SC_OVERRUN                      0x0010   /* Split Completion Overrun on secondary bus */
  316. #define PCI_PCIX_BRIDGE_SEC_STATUS_SPLIT_REQUEST_DELAYED           0x0020
  317. #define PCI_PCIX_BRIDGE_SEC_STATUS_CLOCK_FREQ                      0x01c0
  318. #define PCI_PCIX_BRIDGE_SEC_STATUS_RESERVED                        0xfe00
  319. #define PCI_PCIX_BRIDGE_STATUS                                          4   /* Primary bus status register offset */
  320. #define PCI_PCIX_BRIDGE_STATUS_FUNCTION                        0x00000007
  321. #define PCI_PCIX_BRIDGE_STATUS_DEVICE                          0x000000f8
  322. #define PCI_PCIX_BRIDGE_STATUS_BUS                             0x0000ff00
  323. #define PCI_PCIX_BRIDGE_STATUS_64BIT                           0x00010000
  324. #define PCI_PCIX_BRIDGE_STATUS_133MHZ                          0x00020000
  325. #define PCI_PCIX_BRIDGE_STATUS_SC_DISCARDED                    0x00040000   /* Split Completion Discarded */
  326. #define PCI_PCIX_BRIDGE_STATUS_UNEXPECTED_SC                   0x00080000   /* Unexpected Split Completion */
  327. #define PCI_PCIX_BRIDGE_STATUS_SC_OVERRUN                      0x00100000   /* Split Completion Overrun */
  328. #define PCI_PCIX_BRIDGE_STATUS_SPLIT_REQUEST_DELAYED           0x00200000
  329. #define PCI_PCIX_BRIDGE_STATUS_RESERVED                        0xffc00000
  330. #define PCI_PCIX_BRIDGE_UPSTREAM_SPLIT_TRANS_CTRL                       8   /* Upstream Split Transaction Register offset */
  331. #define PCI_PCIX_BRIDGE_DOWNSTREAM_SPLIT_TRANS_CTRL                    12   /* Downstream Split Transaction Register offset */
  332. #define PCI_PCIX_BRIDGE_STR_CAPACITY                           0x0000ffff
  333. #define PCI_PCIX_BRIDGE_STR_COMMITMENT_LIMIT                   0xffff0000
  334. #define PCI_PCIX_BRIDGE_SIZEOF 12
  335.  
  336. /* HyperTransport (as of spec rev. 2.00) */
  337. #define PCI_HT_CMD      2   /* Command Register */
  338. #define  PCI_HT_CMD_TYP_HI  0xe000  /* Capability Type high part */
  339. #define  PCI_HT_CMD_TYP_HI_PRI  0x0000  /* Slave or Primary Interface */
  340. #define  PCI_HT_CMD_TYP_HI_SEC  0x2000  /* Host or Secondary Interface */
  341. #define  PCI_HT_CMD_TYP     0xf800  /* Capability Type */
  342. #define  PCI_HT_CMD_TYP_SW  0x4000  /* Switch */
  343. #define  PCI_HT_CMD_TYP_IDC 0x8000  /* Interrupt Discovery and Configuration */
  344. #define  PCI_HT_CMD_TYP_RID 0x8800  /* Revision ID */
  345. #define  PCI_HT_CMD_TYP_UIDC    0x9000  /* UnitID Clumping */
  346. #define  PCI_HT_CMD_TYP_ECSA    0x9800  /* Extended Configuration Space Access */
  347. #define  PCI_HT_CMD_TYP_AM  0xa000  /* Address Mapping */
  348. #define  PCI_HT_CMD_TYP_MSIM    0xa800  /* MSI Mapping */
  349. #define  PCI_HT_CMD_TYP_DR  0xb000  /* DirectRoute */
  350. #define  PCI_HT_CMD_TYP_VCS 0xb800  /* VCSet */
  351. #define  PCI_HT_CMD_TYP_RM  0xc000  /* Retry Mode */
  352. #define  PCI_HT_CMD_TYP_X86 0xc800  /* X86 (reserved) */
  353.  
  354.                     /* Link Control Register */
  355. #define  PCI_HT_LCTR_CFLE   0x0002  /* CRC Flood Enable */
  356. #define  PCI_HT_LCTR_CST    0x0004  /* CRC Start Test */
  357. #define  PCI_HT_LCTR_CFE    0x0008  /* CRC Force Error */
  358. #define  PCI_HT_LCTR_LKFAIL 0x0010  /* Link Failure */
  359. #define  PCI_HT_LCTR_INIT   0x0020  /* Initialization Complete */
  360. #define  PCI_HT_LCTR_EOC    0x0040  /* End of Chain */
  361. #define  PCI_HT_LCTR_TXO    0x0080  /* Transmitter Off */
  362. #define  PCI_HT_LCTR_CRCERR 0x0f00  /* CRC Error */
  363. #define  PCI_HT_LCTR_ISOCEN 0x1000  /* Isochronous Flow Control Enable */
  364. #define  PCI_HT_LCTR_LSEN   0x2000  /* LDTSTOP# Tristate Enable */
  365. #define  PCI_HT_LCTR_EXTCTL 0x4000  /* Extended CTL Time */
  366. #define  PCI_HT_LCTR_64B    0x8000  /* 64-bit Addressing Enable */
  367.  
  368.                     /* Link Configuration Register */
  369. #define  PCI_HT_LCNF_MLWI   0x0007  /* Max Link Width In */
  370. #define  PCI_HT_LCNF_LW_8B  0x0 /* Link Width 8 bits */
  371. #define  PCI_HT_LCNF_LW_16B 0x1 /* Link Width 16 bits */
  372. #define  PCI_HT_LCNF_LW_32B 0x3 /* Link Width 32 bits */
  373. #define  PCI_HT_LCNF_LW_2B  0x4 /* Link Width 2 bits */
  374. #define  PCI_HT_LCNF_LW_4B  0x5 /* Link Width 4 bits */
  375. #define  PCI_HT_LCNF_LW_NC  0x7 /* Link physically not connected */
  376. #define  PCI_HT_LCNF_DFI    0x0008  /* Doubleword Flow Control In */
  377. #define  PCI_HT_LCNF_MLWO   0x0070  /* Max Link Width Out */
  378. #define  PCI_HT_LCNF_DFO    0x0080  /* Doubleword Flow Control Out */
  379. #define  PCI_HT_LCNF_LWI    0x0700  /* Link Width In */
  380. #define  PCI_HT_LCNF_DFIE   0x0800  /* Doubleword Flow Control In Enable */
  381. #define  PCI_HT_LCNF_LWO    0x7000  /* Link Width Out */
  382. #define  PCI_HT_LCNF_DFOE   0x8000  /* Doubleword Flow Control Out Enable */
  383.  
  384.                     /* Revision ID Register */
  385. #define  PCI_HT_RID_MIN     0x1f    /* Minor Revision */
  386. #define  PCI_HT_RID_MAJ     0xe0    /* Major Revision */
  387.  
  388.                     /* Link Frequency/Error Register */
  389. #define  PCI_HT_LFRER_FREQ  0x0f    /* Transmitter Clock Frequency */
  390. #define  PCI_HT_LFRER_200   0x00    /* 200MHz */
  391. #define  PCI_HT_LFRER_300   0x01    /* 300MHz */
  392. #define  PCI_HT_LFRER_400   0x02    /* 400MHz */
  393. #define  PCI_HT_LFRER_500   0x03    /* 500MHz */
  394. #define  PCI_HT_LFRER_600   0x04    /* 600MHz */
  395. #define  PCI_HT_LFRER_800   0x05    /* 800MHz */
  396. #define  PCI_HT_LFRER_1000  0x06    /* 1.0GHz */
  397. #define  PCI_HT_LFRER_1200  0x07    /* 1.2GHz */
  398. #define  PCI_HT_LFRER_1400  0x08    /* 1.4GHz */
  399. #define  PCI_HT_LFRER_1600  0x09    /* 1.6GHz */
  400. #define  PCI_HT_LFRER_VEND  0x0f    /* Vendor-Specific */
  401. #define  PCI_HT_LFRER_ERR   0xf0    /* Link Error */
  402. #define  PCI_HT_LFRER_PROT  0x10    /* Protocol Error */
  403. #define  PCI_HT_LFRER_OV    0x20    /* Overflow Error */
  404. #define  PCI_HT_LFRER_EOC   0x40    /* End of Chain Error */
  405. #define  PCI_HT_LFRER_CTLT  0x80    /* CTL Timeout */
  406.  
  407.                     /* Link Frequency Capability Register */
  408. #define  PCI_HT_LFCAP_200   0x0001  /* 200MHz */
  409. #define  PCI_HT_LFCAP_300   0x0002  /* 300MHz */
  410. #define  PCI_HT_LFCAP_400   0x0004  /* 400MHz */
  411. #define  PCI_HT_LFCAP_500   0x0008  /* 500MHz */
  412. #define  PCI_HT_LFCAP_600   0x0010  /* 600MHz */
  413. #define  PCI_HT_LFCAP_800   0x0020  /* 800MHz */
  414. #define  PCI_HT_LFCAP_1000  0x0040  /* 1.0GHz */
  415. #define  PCI_HT_LFCAP_1200  0x0080  /* 1.2GHz */
  416. #define  PCI_HT_LFCAP_1400  0x0100  /* 1.4GHz */
  417. #define  PCI_HT_LFCAP_1600  0x0200  /* 1.6GHz */
  418. #define  PCI_HT_LFCAP_VEND  0x8000  /* Vendor-Specific */
  419.  
  420.                     /* Feature Register */
  421. #define  PCI_HT_FTR_ISOCFC  0x0001  /* Isochronous Flow Control Mode */
  422. #define  PCI_HT_FTR_LDTSTOP 0x0002  /* LDTSTOP# Supported */
  423. #define  PCI_HT_FTR_CRCTM   0x0004  /* CRC Test Mode */
  424. #define  PCI_HT_FTR_ECTLT   0x0008  /* Extended CTL Time Required */
  425. #define  PCI_HT_FTR_64BA    0x0010  /* 64-bit Addressing */
  426. #define  PCI_HT_FTR_UIDRD   0x0020  /* UnitID Reorder Disable */
  427.  
  428.                     /* Error Handling Register */
  429. #define  PCI_HT_EH_PFLE     0x0001  /* Protocol Error Flood Enable */
  430. #define  PCI_HT_EH_OFLE     0x0002  /* Overflow Error Flood Enable */
  431. #define  PCI_HT_EH_PFE      0x0004  /* Protocol Error Fatal Enable */
  432. #define  PCI_HT_EH_OFE      0x0008  /* Overflow Error Fatal Enable */
  433. #define  PCI_HT_EH_EOCFE    0x0010  /* End of Chain Error Fatal Enable */
  434. #define  PCI_HT_EH_RFE      0x0020  /* Response Error Fatal Enable */
  435. #define  PCI_HT_EH_CRCFE    0x0040  /* CRC Error Fatal Enable */
  436. #define  PCI_HT_EH_SERRFE   0x0080  /* System Error Fatal Enable (B */
  437. #define  PCI_HT_EH_CF       0x0100  /* Chain Fail */
  438. #define  PCI_HT_EH_RE       0x0200  /* Response Error */
  439. #define  PCI_HT_EH_PNFE     0x0400  /* Protocol Error Nonfatal Enable */
  440. #define  PCI_HT_EH_ONFE     0x0800  /* Overflow Error Nonfatal Enable */
  441. #define  PCI_HT_EH_EOCNFE   0x1000  /* End of Chain Error Nonfatal Enable */
  442. #define  PCI_HT_EH_RNFE     0x2000  /* Response Error Nonfatal Enable */
  443. #define  PCI_HT_EH_CRCNFE   0x4000  /* CRC Error Nonfatal Enable */
  444. #define  PCI_HT_EH_SERRNFE  0x8000  /* System Error Nonfatal Enable */
  445.  
  446. /* HyperTransport: Slave or Primary Interface */
  447. #define PCI_HT_PRI_CMD      2   /* Command Register */
  448. #define  PCI_HT_PRI_CMD_BUID    0x001f  /* Base UnitID */
  449. #define  PCI_HT_PRI_CMD_UC  0x03e0  /* Unit Count */
  450. #define  PCI_HT_PRI_CMD_MH  0x0400  /* Master Host */
  451. #define  PCI_HT_PRI_CMD_DD  0x0800  /* Default Direction */
  452. #define  PCI_HT_PRI_CMD_DUL 0x1000  /* Drop on Uninitialized Link */
  453.  
  454. #define PCI_HT_PRI_LCTR0    4   /* Link Control 0 Register */
  455. #define PCI_HT_PRI_LCNF0    6   /* Link Config 0 Register */
  456. #define PCI_HT_PRI_LCTR1    8   /* Link Control 1 Register */
  457. #define PCI_HT_PRI_LCNF1    10  /* Link Config 1 Register */
  458. #define PCI_HT_PRI_RID      12  /* Revision ID Register */
  459. #define PCI_HT_PRI_LFRER0   13  /* Link Frequency/Error 0 Register */
  460. #define PCI_HT_PRI_LFCAP0   14  /* Link Frequency Capability 0 Register */
  461. #define PCI_HT_PRI_FTR      16  /* Feature Register */
  462. #define PCI_HT_PRI_LFRER1   17  /* Link Frequency/Error 1 Register */
  463. #define PCI_HT_PRI_LFCAP1   18  /* Link Frequency Capability 1 Register */
  464. #define PCI_HT_PRI_ES       20  /* Enumeration Scratchpad Register */
  465. #define PCI_HT_PRI_EH       22  /* Error Handling Register */
  466. #define PCI_HT_PRI_MBU      24  /* Memory Base Upper Register */
  467. #define PCI_HT_PRI_MLU      25  /* Memory Limit Upper Register */
  468. #define PCI_HT_PRI_BN       26  /* Bus Number Register */
  469. #define PCI_HT_PRI_SIZEOF   28
  470.  
  471. /* HyperTransport: Host or Secondary Interface */
  472. #define PCI_HT_SEC_CMD      2   /* Command Register */
  473. #define  PCI_HT_SEC_CMD_WR  0x0001  /* Warm Reset */
  474. #define  PCI_HT_SEC_CMD_DE  0x0002  /* Double-Ended */
  475. #define  PCI_HT_SEC_CMD_DN  0x0076  /* Device Number */
  476. #define  PCI_HT_SEC_CMD_CS  0x0080  /* Chain Side */
  477. #define  PCI_HT_SEC_CMD_HH  0x0100  /* Host Hide */
  478. #define  PCI_HT_SEC_CMD_AS  0x0400  /* Act as Slave */
  479. #define  PCI_HT_SEC_CMD_HIECE   0x0800  /* Host Inbound End of Chain Error */
  480. #define  PCI_HT_SEC_CMD_DUL 0x1000  /* Drop on Uninitialized Link */
  481.  
  482. #define PCI_HT_SEC_LCTR     4   /* Link Control Register */
  483. #define PCI_HT_SEC_LCNF     6   /* Link Config Register */
  484. #define PCI_HT_SEC_RID      8   /* Revision ID Register */
  485. #define PCI_HT_SEC_LFRER    9   /* Link Frequency/Error Register */
  486. #define PCI_HT_SEC_LFCAP    10  /* Link Frequency Capability Register */
  487. #define PCI_HT_SEC_FTR      12  /* Feature Register */
  488. #define  PCI_HT_SEC_FTR_EXTRS   0x0100  /* Extended Register Set */
  489. #define  PCI_HT_SEC_FTR_UCNFE   0x0200  /* Upstream Configuration Enable */
  490. #define PCI_HT_SEC_ES       16  /* Enumeration Scratchpad Register */
  491. #define PCI_HT_SEC_EH       18  /* Error Handling Register */
  492. #define PCI_HT_SEC_MBU      20  /* Memory Base Upper Register */
  493. #define PCI_HT_SEC_MLU      21  /* Memory Limit Upper Register */
  494. #define PCI_HT_SEC_SIZEOF   24
  495.  
  496. /* HyperTransport: Switch */
  497. #define PCI_HT_SW_CMD       2   /* Switch Command Register */
  498. #define  PCI_HT_SW_CMD_VIBERR   0x0080  /* VIB Error */
  499. #define  PCI_HT_SW_CMD_VIBFL    0x0100  /* VIB Flood */
  500. #define  PCI_HT_SW_CMD_VIBFT    0x0200  /* VIB Fatal */
  501. #define  PCI_HT_SW_CMD_VIBNFT   0x0400  /* VIB Nonfatal */
  502. #define PCI_HT_SW_PMASK     4   /* Partition Mask Register */
  503. #define PCI_HT_SW_SWINF     8   /* Switch Info Register */
  504. #define  PCI_HT_SW_SWINF_DP 0x0000001f  /* Default Port */
  505. #define  PCI_HT_SW_SWINF_EN 0x00000020  /* Enable Decode */
  506. #define  PCI_HT_SW_SWINF_CR 0x00000040  /* Cold Reset */
  507. #define  PCI_HT_SW_SWINF_PCIDX  0x00000f00  /* Performance Counter Index */
  508. #define  PCI_HT_SW_SWINF_BLRIDX 0x0003f000  /* Base/Limit Range Index */
  509. #define  PCI_HT_SW_SWINF_SBIDX  0x00002000  /* Secondary Base Range Index */
  510. #define  PCI_HT_SW_SWINF_HP 0x00040000  /* Hot Plug */
  511. #define  PCI_HT_SW_SWINF_HIDE   0x00080000  /* Hide Port */
  512. #define PCI_HT_SW_PCD       12  /* Performance Counter Data Register */
  513. #define PCI_HT_SW_BLRD      16  /* Base/Limit Range Data Register */
  514. #define PCI_HT_SW_SBD       20  /* Secondary Base Data Register */
  515. #define PCI_HT_SW_SIZEOF    24
  516.  
  517.                     /* Counter indices */
  518. #define  PCI_HT_SW_PC_PCR   0x0 /* Posted Command Receive */
  519. #define  PCI_HT_SW_PC_NPCR  0x1 /* Nonposted Command Receive */
  520. #define  PCI_HT_SW_PC_RCR   0x2 /* Response Command Receive */
  521. #define  PCI_HT_SW_PC_PDWR  0x3 /* Posted DW Receive */
  522. #define  PCI_HT_SW_PC_NPDWR 0x4 /* Nonposted DW Receive */
  523. #define  PCI_HT_SW_PC_RDWR  0x5 /* Response DW Receive */
  524. #define  PCI_HT_SW_PC_PCT   0x6 /* Posted Command Transmit */
  525. #define  PCI_HT_SW_PC_NPCT  0x7 /* Nonposted Command Transmit */
  526. #define  PCI_HT_SW_PC_RCT   0x8 /* Response Command Transmit */
  527. #define  PCI_HT_SW_PC_PDWT  0x9 /* Posted DW Transmit */
  528. #define  PCI_HT_SW_PC_NPDWT 0xa /* Nonposted DW Transmit */
  529. #define  PCI_HT_SW_PC_RDWT  0xb /* Response DW Transmit */
  530.  
  531.                     /* Base/Limit Range indices */
  532. #define  PCI_HT_SW_BLR_BASE0_LO 0x0 /* Base 0[31:1], Enable */
  533. #define  PCI_HT_SW_BLR_BASE0_HI 0x1 /* Base 0 Upper */
  534. #define  PCI_HT_SW_BLR_LIM0_LO  0x2 /* Limit 0 Lower */
  535. #define  PCI_HT_SW_BLR_LIM0_HI  0x3 /* Limit 0 Upper */
  536.  
  537.                     /* Secondary Base indices */
  538. #define  PCI_HT_SW_SB_LO    0x0 /* Secondary Base[31:1], Enable */
  539. #define  PCI_HT_SW_S0_HI    0x1 /* Secondary Base Upper */
  540.  
  541. /* HyperTransport: Interrupt Discovery and Configuration */
  542. #define PCI_HT_IDC_IDX      2   /* Index Register */
  543. #define PCI_HT_IDC_DATA     4   /* Data Register */
  544. #define PCI_HT_IDC_SIZEOF   8
  545.  
  546.                     /* Register indices */
  547. #define  PCI_HT_IDC_IDX_LINT    0x01    /* Last Interrupt Register */
  548. #define   PCI_HT_IDC_LINT   0x00ff0000  /* Last interrupt definition */
  549. #define  PCI_HT_IDC_IDX_IDR 0x10    /* Interrupt Definition Registers */
  550.                     /* Low part (at index) */
  551. #define   PCI_HT_IDC_IDR_MASK   0x10000001  /* Mask */
  552. #define   PCI_HT_IDC_IDR_POL    0x10000002  /* Polarity */
  553. #define   PCI_HT_IDC_IDR_II_2   0x1000001c  /* IntrInfo[4:2]: Message Type */
  554. #define   PCI_HT_IDC_IDR_II_5   0x10000020  /* IntrInfo[5]: Request EOI */
  555. #define   PCI_HT_IDC_IDR_II_6   0x00ffffc0  /* IntrInfo[23:6] */
  556. #define   PCI_HT_IDC_IDR_II_24  0xff000000  /* IntrInfo[31:24] */
  557.                     /* High part (at index + 1) */
  558. #define   PCI_HT_IDC_IDR_II_32  0x00ffffff  /* IntrInfo[55:32] */
  559. #define   PCI_HT_IDC_IDR_PASSPW 0x40000000  /* PassPW setting for messages */
  560. #define   PCI_HT_IDC_IDR_WEOI   0x80000000  /* Waiting for EOI */
  561.  
  562. /* HyperTransport: Revision ID */
  563. #define PCI_HT_RID_RID      2   /* Revision Register */
  564. #define PCI_HT_RID_SIZEOF   4
  565.  
  566. /* HyperTransport: UnitID Clumping */
  567. #define PCI_HT_UIDC_CS      4   /* Clumping Support Register */
  568. #define PCI_HT_UIDC_CE      8   /* Clumping Enable Register */
  569. #define PCI_HT_UIDC_SIZEOF  12
  570.  
  571. /* HyperTransport: Extended Configuration Space Access */
  572. #define PCI_HT_ECSA_ADDR    4   /* Configuration Address Register */
  573. #define  PCI_HT_ECSA_ADDR_REG   0x00000ffc  /* Register */
  574. #define  PCI_HT_ECSA_ADDR_FUN   0x00007000  /* Function */
  575. #define  PCI_HT_ECSA_ADDR_DEV   0x000f1000  /* Device */
  576. #define  PCI_HT_ECSA_ADDR_BUS   0x0ff00000  /* Bus Number */
  577. #define  PCI_HT_ECSA_ADDR_TYPE  0x10000000  /* Access Type */
  578. #define PCI_HT_ECSA_DATA    8   /* Configuration Data Register */
  579. #define PCI_HT_ECSA_SIZEOF  12
  580.  
  581. /* HyperTransport: Address Mapping */
  582. #define PCI_HT_AM_CMD       2   /* Command Register */
  583. #define  PCI_HT_AM_CMD_NDMA 0x000f  /* Number of DMA Mappings */
  584. #define  PCI_HT_AM_CMD_IOSIZ    0x01f0  /* I/O Size */
  585. #define  PCI_HT_AM_CMD_MT   0x0600  /* Map Type */
  586. #define  PCI_HT_AM_CMD_MT_40B   0x0000  /* 40-bit */
  587. #define  PCI_HT_AM_CMD_MT_64B   0x0200  /* 64-bit */
  588.  
  589.                     /* Window Control Register bits */
  590. #define  PCI_HT_AM_SBW_CTR_COMP 0x1 /* Compat */
  591. #define  PCI_HT_AM_SBW_CTR_NCOH 0x2 /* NonCoherent */
  592. #define  PCI_HT_AM_SBW_CTR_ISOC 0x4 /* Isochronous */
  593. #define  PCI_HT_AM_SBW_CTR_EN   0x8 /* Enable */
  594.  
  595. /* HyperTransport: 40-bit Address Mapping */
  596. #define PCI_HT_AM40_SBNPW   4   /* Secondary Bus Non-Prefetchable Window Register */
  597. #define  PCI_HT_AM40_SBW_BASE   0x000fffff  /* Window Base */
  598. #define  PCI_HT_AM40_SBW_CTR    0xf0000000  /* Window Control */
  599. #define PCI_HT_AM40_SBPW    8   /* Secondary Bus Prefetchable Window Register */
  600. #define PCI_HT_AM40_DMA_PBASE0  12  /* DMA Window Primary Base 0 Register */
  601. #define PCI_HT_AM40_DMA_CTR0    15  /* DMA Window Control 0 Register */
  602. #define  PCI_HT_AM40_DMA_CTR_CTR 0xf0   /* Window Control */
  603. #define PCI_HT_AM40_DMA_SLIM0   16  /* DMA Window Secondary Limit 0 Register */
  604. #define PCI_HT_AM40_DMA_SBASE0  18  /* DMA Window Secondary Base 0 Register */
  605. #define PCI_HT_AM40_SIZEOF  12  /* size is variable: 12 + 8 * NDMA */
  606.  
  607. /* HyperTransport: 64-bit Address Mapping */
  608. #define PCI_HT_AM64_IDX     4   /* Index Register */
  609. #define PCI_HT_AM64_DATA_LO 8   /* Data Lower Register */
  610. #define PCI_HT_AM64_DATA_HI 12  /* Data Upper Register */
  611. #define PCI_HT_AM64_SIZEOF  16
  612.  
  613.                     /* Register indices */
  614. #define  PCI_HT_AM64_IDX_SBNPW  0x00    /* Secondary Bus Non-Prefetchable Window Register */
  615. #define   PCI_HT_AM64_W_BASE_LO 0xfff00000  /* Window Base Lower */
  616. #define   PCI_HT_AM64_W_CTR 0x0000000f  /* Window Control */
  617. #define  PCI_HT_AM64_IDX_SBPW   0x01    /* Secondary Bus Prefetchable Window Register */
  618. #define   PCI_HT_AM64_IDX_PBNPW 0x02    /* Primary Bus Non-Prefetchable Window Register */
  619. #define   PCI_HT_AM64_IDX_DMAPB0 0x04   /* DMA Window Primary Base 0 Register */
  620. #define   PCI_HT_AM64_IDX_DMASB0 0x05   /* DMA Window Secondary Base 0 Register */
  621. #define   PCI_HT_AM64_IDX_DMASL0 0x06   /* DMA Window Secondary Limit 0 Register */
  622.  
  623. /* HyperTransport: MSI Mapping */
  624. #define PCI_HT_MSIM_CMD     2   /* Command Register */
  625. #define  PCI_HT_MSIM_CMD_EN 0x0001  /* Mapping Active */
  626. #define  PCI_HT_MSIM_CMD_FIXD   0x0002  /* MSI Mapping Address Fixed */
  627. #define PCI_HT_MSIM_ADDR_LO 4   /* MSI Mapping Address Lower Register */
  628. #define PCI_HT_MSIM_ADDR_HI 8   /* MSI Mapping Address Upper Register */
  629. #define PCI_HT_MSIM_SIZEOF  12
  630.  
  631. /* HyperTransport: DirectRoute */
  632. #define PCI_HT_DR_CMD       2   /* Command Register */
  633. #define  PCI_HT_DR_CMD_NDRS 0x000f  /* Number of DirectRoute Spaces */
  634. #define  PCI_HT_DR_CMD_IDX  0x01f0  /* Index */
  635. #define PCI_HT_DR_EN        4   /* Enable Vector Register */
  636. #define PCI_HT_DR_DATA      8   /* Data Register */
  637. #define PCI_HT_DR_SIZEOF    12
  638.  
  639.                     /* Register indices */
  640. #define  PCI_HT_DR_IDX_BASE_LO  0x00    /* DirectRoute Base Lower Register */
  641. #define   PCI_HT_DR_OTNRD   0x00000001  /* Opposite to Normal Request Direction */
  642. #define   PCI_HT_DR_BL_LO   0xffffff00  /* Base/Limit Lower */
  643. #define  PCI_HT_DR_IDX_BASE_HI  0x01    /* DirectRoute Base Upper Register */
  644. #define  PCI_HT_DR_IDX_LIMIT_LO 0x02    /* DirectRoute Limit Lower Register */
  645. #define  PCI_HT_DR_IDX_LIMIT_HI 0x03    /* DirectRoute Limit Upper Register */
  646.  
  647. /* HyperTransport: VCSet */
  648. #define PCI_HT_VCS_SUP      4   /* VCSets Supported Register */
  649. #define PCI_HT_VCS_L1EN     5   /* Link 1 VCSets Enabled Register */
  650. #define PCI_HT_VCS_L0EN     6   /* Link 0 VCSets Enabled Register */
  651. #define PCI_HT_VCS_SBD      8   /* Stream Bucket Depth Register */
  652. #define PCI_HT_VCS_SINT     9   /* Stream Interval Register */
  653. #define PCI_HT_VCS_SSUP     10  /* Number of Streaming VCs Supported Register */
  654. #define  PCI_HT_VCS_SSUP_0  0x00    /* Streaming VC 0 */
  655. #define  PCI_HT_VCS_SSUP_3  0x01    /* Streaming VCs 0-3 */
  656. #define  PCI_HT_VCS_SSUP_15 0x02    /* Streaming VCs 0-15 */
  657. #define PCI_HT_VCS_NFCBD    12  /* Non-FC Bucket Depth Register */
  658. #define PCI_HT_VCS_NFCINT   13  /* Non-FC Bucket Interval Register */
  659. #define PCI_HT_VCS_SIZEOF   16
  660.  
  661. /* HyperTransport: Retry Mode */
  662. #define PCI_HT_RM_CTR0      4   /* Control 0 Register */
  663. #define  PCI_HT_RM_CTR_LRETEN   0x01    /* Link Retry Enable */
  664. #define  PCI_HT_RM_CTR_FSER 0x02    /* Force Single Error */
  665. #define  PCI_HT_RM_CTR_ROLNEN   0x04    /* Rollover Nonfatal Enable */
  666. #define  PCI_HT_RM_CTR_FSS  0x08    /* Force Single Stomp */
  667. #define  PCI_HT_RM_CTR_RETNEN   0x10    /* Retry Nonfatal Enable */
  668. #define  PCI_HT_RM_CTR_RETFEN   0x20    /* Retry Fatal Enable */
  669. #define  PCI_HT_RM_CTR_AA   0xc0    /* Allowed Attempts */
  670. #define PCI_HT_RM_STS0      5   /* Status 0 Register */
  671. #define  PCI_HT_RM_STS_RETSNT   0x01    /* Retry Sent */
  672. #define  PCI_HT_RM_STS_CNTROL   0x02    /* Count Rollover */
  673. #define  PCI_HT_RM_STS_SRCV 0x04    /* Stomp Received */
  674. #define PCI_HT_RM_CTR1      6   /* Control 1 Register */
  675. #define PCI_HT_RM_STS1      7   /* Status 1 Register */
  676. #define PCI_HT_RM_CNT0      8   /* Retry Count 0 Register */
  677. #define PCI_HT_RM_CNT1      10  /* Retry Count 1 Register */
  678. #define PCI_HT_RM_SIZEOF    12
  679.  
  680. /* PCI Express */
  681. #define PCI_EXP_FLAGS       0x2 /* Capabilities register */
  682. #define PCI_EXP_FLAGS_VERS  0x000f  /* Capability version */
  683. #define PCI_EXP_FLAGS_TYPE  0x00f0  /* Device/Port type */
  684. #define  PCI_EXP_TYPE_ENDPOINT  0x0 /* Express Endpoint */
  685. #define  PCI_EXP_TYPE_LEG_END   0x1 /* Legacy Endpoint */
  686. #define  PCI_EXP_TYPE_ROOT_PORT 0x4 /* Root Port */
  687. #define  PCI_EXP_TYPE_UPSTREAM  0x5 /* Upstream Port */
  688. #define  PCI_EXP_TYPE_DOWNSTREAM 0x6    /* Downstream Port */
  689. #define  PCI_EXP_TYPE_PCI_BRIDGE 0x7    /* PCI/PCI-X Bridge */
  690. #define PCI_EXP_FLAGS_SLOT  0x0100  /* Slot implemented */
  691. #define PCI_EXP_FLAGS_IRQ   0x3e00  /* Interrupt message number */
  692. #define PCI_EXP_DEVCAP      0x4 /* Device capabilities */
  693. #define  PCI_EXP_DEVCAP_PAYLOAD 0x07    /* Max_Payload_Size */
  694. #define  PCI_EXP_DEVCAP_PHANTOM 0x18    /* Phantom functions */
  695. #define  PCI_EXP_DEVCAP_EXT_TAG 0x20    /* Extended tags */
  696. #define  PCI_EXP_DEVCAP_L0S 0x1c0   /* L0s Acceptable Latency */
  697. #define  PCI_EXP_DEVCAP_L1  0xe00   /* L1 Acceptable Latency */
  698. #define  PCI_EXP_DEVCAP_ATN_BUT 0x1000  /* Attention Button Present */
  699. #define  PCI_EXP_DEVCAP_ATN_IND 0x2000  /* Attention Indicator Present */
  700. #define  PCI_EXP_DEVCAP_PWR_IND 0x4000  /* Power Indicator Present */
  701. #define  PCI_EXP_DEVCAP_PWR_VAL 0x3fc0000   /* Slot Power Limit Value */
  702. #define  PCI_EXP_DEVCAP_PWR_SCL 0xc000000   /* Slot Power Limit Scale */
  703. #define PCI_EXP_DEVCTL      0x8 /* Device Control */
  704. #define  PCI_EXP_DEVCTL_CERE    0x0001  /* Correctable Error Reporting En. */
  705. #define  PCI_EXP_DEVCTL_NFERE   0x0002  /* Non-Fatal Error Reporting Enable */
  706. #define  PCI_EXP_DEVCTL_FERE    0x0004  /* Fatal Error Reporting Enable */
  707. #define  PCI_EXP_DEVCTL_URRE    0x0008  /* Unsupported Request Reporting En. */
  708. #define  PCI_EXP_DEVCTL_RELAXED 0x0010  /* Enable Relaxed Ordering */
  709. #define  PCI_EXP_DEVCTL_PAYLOAD 0x00e0  /* Max_Payload_Size */
  710. #define  PCI_EXP_DEVCTL_EXT_TAG 0x0100  /* Extended Tag Field Enable */
  711. #define  PCI_EXP_DEVCTL_PHANTOM 0x0200  /* Phantom Functions Enable */
  712. #define  PCI_EXP_DEVCTL_AUX_PME 0x0400  /* Auxiliary Power PM Enable */
  713. #define  PCI_EXP_DEVCTL_NOSNOOP 0x0800  /* Enable No Snoop */
  714. #define  PCI_EXP_DEVCTL_READRQ  0x7000  /* Max_Read_Request_Size */
  715. #define PCI_EXP_DEVSTA      0xa /* Device Status */
  716. #define  PCI_EXP_DEVSTA_CED 0x01    /* Correctable Error Detected */
  717. #define  PCI_EXP_DEVSTA_NFED    0x02    /* Non-Fatal Error Detected */
  718. #define  PCI_EXP_DEVSTA_FED 0x04    /* Fatal Error Detected */
  719. #define  PCI_EXP_DEVSTA_URD 0x08    /* Unsupported Request Detected */
  720. #define  PCI_EXP_DEVSTA_AUXPD   0x10    /* AUX Power Detected */
  721. #define  PCI_EXP_DEVSTA_TRPND   0x20    /* Transactions Pending */
  722. #define PCI_EXP_LNKCAP      0xc /* Link Capabilities */
  723. #define  PCI_EXP_LNKCAP_SPEED   0x0000f /* Maximum Link Speed */
  724. #define  PCI_EXP_LNKCAP_WIDTH   0x003f0 /* Maximum Link Width */
  725. #define  PCI_EXP_LNKCAP_ASPM    0x00c00 /* Active State Power Management */
  726. #define  PCI_EXP_LNKCAP_L0S 0x07000 /* L0s Acceptable Latency */
  727. #define  PCI_EXP_LNKCAP_L1  0x38000 /* L1 Acceptable Latency */
  728. #define  PCI_EXP_LNKCAP_PORT    0xff000000  /* Port Number */
  729. #define PCI_EXP_LNKCTL      0x10    /* Link Control */
  730. #define  PCI_EXP_LNKCTL_ASPM    0x0003  /* ASPM Control */
  731. #define  PCI_EXP_LNKCTL_RCB 0x0008  /* Read Completion Boundary */
  732. #define  PCI_EXP_LNKCTL_DISABLE 0x0010  /* Link Disable */
  733. #define  PCI_EXP_LNKCTL_RETRAIN 0x0020  /* Retrain Link */
  734. #define  PCI_EXP_LNKCTL_CLOCK   0x0040  /* Common Clock Configuration */
  735. #define  PCI_EXP_LNKCTL_XSYNCH  0x0080  /* Extended Synch */
  736. #define PCI_EXP_LNKSTA      0x12    /* Link Status */
  737. #define  PCI_EXP_LNKSTA_SPEED   0x000f  /* Negotiated Link Speed */
  738. #define  PCI_EXP_LNKSTA_WIDTH   0x03f0  /* Negotiated Link Width */
  739. #define  PCI_EXP_LNKSTA_TR_ERR  0x0400  /* Training Error */
  740. #define  PCI_EXP_LNKSTA_TRAIN   0x0800  /* Link Training */
  741. #define  PCI_EXP_LNKSTA_SL_CLK  0x1000  /* Slot Clock Configuration */
  742. #define PCI_EXP_SLTCAP      0x14    /* Slot Capabilities */
  743. #define  PCI_EXP_SLTCAP_ATNB    0x0001  /* Attention Button Present */
  744. #define  PCI_EXP_SLTCAP_PWRC    0x0002  /* Power Controller Present */
  745. #define  PCI_EXP_SLTCAP_MRL 0x0004  /* MRL Sensor Present */
  746. #define  PCI_EXP_SLTCAP_ATNI    0x0008  /* Attention Indicator Present */
  747. #define  PCI_EXP_SLTCAP_PWRI    0x0010  /* Power Indicator Present */
  748. #define  PCI_EXP_SLTCAP_HPS 0x0020  /* Hot-Plug Surprise */
  749. #define  PCI_EXP_SLTCAP_HPC 0x0040  /* Hot-Plug Capable */
  750. #define  PCI_EXP_SLTCAP_PWR_VAL 0x00007f80  /* Slot Power Limit Value */
  751. #define  PCI_EXP_SLTCAP_PWR_SCL 0x00018000  /* Slot Power Limit Scale */
  752. #define  PCI_EXP_SLTCAP_PSN 0xfff80000  /* Physical Slot Number */
  753. #define PCI_EXP_SLTCTL      0x18    /* Slot Control */
  754. #define  PCI_EXP_SLTCTL_ATNB    0x0001  /* Attention Button Pressed Enable */
  755. #define  PCI_EXP_SLTCTL_PWRF    0x0002  /* Power Fault Detected Enable */
  756. #define  PCI_EXP_SLTCTL_MRLS    0x0004  /* MRL Sensor Changed Enable */
  757. #define  PCI_EXP_SLTCTL_PRSD    0x0008  /* Presence Detect Changed Enable */
  758. #define  PCI_EXP_SLTCTL_CMDC    0x0010  /* Command Completed Interrupt Enable */
  759. #define  PCI_EXP_SLTCTL_HPIE    0x0020  /* Hot-Plug Interrupt Enable */
  760. #define  PCI_EXP_SLTCTL_ATNI    0x00C0  /* Attention Indicator Control */
  761. #define  PCI_EXP_SLTCTL_PWRI    0x0300  /* Power Indicator Control */
  762. #define  PCI_EXP_SLTCTL_PWRC    0x0400  /* Power Controller Control */
  763. #define PCI_EXP_SLTSTA      0x1a    /* Slot Status */
  764. #define PCI_EXP_RTCTL       0x1c    /* Root Control */
  765. #define  PCI_EXP_RTCTL_SECEE    0x1 /* System Error on Correctable Error */
  766. #define  PCI_EXP_RTCTL_SENFEE   0x1 /* System Error on Non-Fatal Error */
  767. #define  PCI_EXP_RTCTL_SEFEE    0x1 /* System Error on Fatal Error */
  768. #define  PCI_EXP_RTCTL_PMEIE    0x1 /* PME Interrupt Enable */
  769. #define PCI_EXP_RTSTA       0x20    /* Root Status */
  770.  
  771. /* MSI-X */
  772. #define  PCI_MSIX_ENABLE    0x8000
  773. #define  PCI_MSIX_MASK      0x4000
  774. #define  PCI_MSIX_TABSIZE   0x03ff
  775. #define PCI_MSIX_TABLE      4
  776. #define PCI_MSIX_PBA        8
  777. #define  PCI_MSIX_BIR       0x7
  778.  
  779. /* Advanced Error Reporting */
  780. #define PCI_ERR_UNCOR_STATUS    4   /* Uncorrectable Error Status */
  781. #define  PCI_ERR_UNC_TRAIN  0x00000001  /* Training */
  782. #define  PCI_ERR_UNC_DLP    0x00000010  /* Data Link Protocol */
  783. #define  PCI_ERR_UNC_POISON_TLP 0x00001000  /* Poisoned TLP */
  784. #define  PCI_ERR_UNC_FCP    0x00002000  /* Flow Control Protocol */
  785. #define  PCI_ERR_UNC_COMP_TIME  0x00004000  /* Completion Timeout */
  786. #define  PCI_ERR_UNC_COMP_ABORT 0x00008000  /* Completer Abort */
  787. #define  PCI_ERR_UNC_UNX_COMP   0x00010000  /* Unexpected Completion */
  788. #define  PCI_ERR_UNC_RX_OVER    0x00020000  /* Receiver Overflow */
  789. #define  PCI_ERR_UNC_MALF_TLP   0x00040000  /* Malformed TLP */
  790. #define  PCI_ERR_UNC_ECRC   0x00080000  /* ECRC Error Status */
  791. #define  PCI_ERR_UNC_UNSUP  0x00100000  /* Unsupported Request */
  792. #define PCI_ERR_UNCOR_MASK  8   /* Uncorrectable Error Mask */
  793.     /* Same bits as above */
  794. #define PCI_ERR_UNCOR_SEVER 12  /* Uncorrectable Error Severity */
  795.     /* Same bits as above */
  796. #define PCI_ERR_COR_STATUS  16  /* Correctable Error Status */
  797. #define  PCI_ERR_COR_RCVR   0x00000001  /* Receiver Error Status */
  798. #define  PCI_ERR_COR_BAD_TLP    0x00000040  /* Bad TLP Status */
  799. #define  PCI_ERR_COR_BAD_DLLP   0x00000080  /* Bad DLLP Status */
  800. #define  PCI_ERR_COR_REP_ROLL   0x00000100  /* REPLAY_NUM Rollover */
  801. #define  PCI_ERR_COR_REP_TIMER  0x00001000  /* Replay Timer Timeout */
  802. #define PCI_ERR_COR_MASK    20  /* Correctable Error Mask */
  803.     /* Same bits as above */
  804. #define PCI_ERR_CAP     24  /* Advanced Error Capabilities */
  805. #define  PCI_ERR_CAP_FEP(x) ((x) & 31)  /* First Error Pointer */
  806. #define  PCI_ERR_CAP_ECRC_GENC  0x00000020  /* ECRC Generation Capable */
  807. #define  PCI_ERR_CAP_ECRC_GENE  0x00000040  /* ECRC Generation Enable */
  808. #define  PCI_ERR_CAP_ECRC_CHKC  0x00000080  /* ECRC Check Capable */
  809. #define  PCI_ERR_CAP_ECRC_CHKE  0x00000100  /* ECRC Check Enable */
  810. #define PCI_ERR_HEADER_LOG  28  /* Header Log Register (16 bytes) */
  811. #define PCI_ERR_ROOT_COMMAND    44  /* Root Error Command */
  812. #define PCI_ERR_ROOT_STATUS 48
  813. #define PCI_ERR_ROOT_COR_SRC    52
  814. #define PCI_ERR_ROOT_SRC    54
  815.  
  816. /* Virtual Channel */
  817. #define PCI_VC_PORT_REG1    4
  818. #define PCI_VC_PORT_REG2    8
  819. #define PCI_VC_PORT_CTRL    12
  820. #define PCI_VC_PORT_STATUS  14
  821. #define PCI_VC_RES_CAP      16
  822. #define PCI_VC_RES_CTRL     20
  823. #define PCI_VC_RES_STATUS   26
  824.  
  825. /* Power Budgeting */
  826. #define PCI_PWR_DSR     4   /* Data Select Register */
  827. #define PCI_PWR_DATA        8   /* Data Register */
  828. #define  PCI_PWR_DATA_BASE(x)   ((x) & 0xff)    /* Base Power */
  829. #define  PCI_PWR_DATA_SCALE(x)  (((x) >> 8) & 3)    /* Data Scale */
  830. #define  PCI_PWR_DATA_PM_SUB(x) (((x) >> 10) & 7)   /* PM Sub State */
  831. #define  PCI_PWR_DATA_PM_STATE(x) (((x) >> 13) & 3) /* PM State */
  832. #define  PCI_PWR_DATA_TYPE(x)   (((x) >> 15) & 7)   /* Type */
  833. #define  PCI_PWR_DATA_RAIL(x)   (((x) >> 18) & 7)   /* Power Rail */
  834. #define PCI_PWR_CAP     12  /* Capability */
  835. #define  PCI_PWR_CAP_BUDGET(x)  ((x) & 1)   /* Included in system budget */
  836.  
  837. /*
  838.  * The PCI interface treats multi-function devices as independent
  839.  * devices.  The slot/function address of each device is encoded
  840.  * in a single byte as follows:
  841.  *
  842.  *  7:3 = slot
  843.  *  2:0 = function
  844.  */
  845. #define PCI_DEVFN(slot,func)    ((((slot) & 0x1f) << 3) | ((func) & 0x07))
  846. #define PCI_SLOT(devfn)     (((devfn) >> 3) & 0x1f)
  847. #define PCI_FUNC(devfn)     ((devfn) & 0x07)
  848.  
  849. /* Device classes and subclasses */
  850.  
  851. #define PCI_CLASS_NOT_DEFINED       0x0000
  852. #define PCI_CLASS_NOT_DEFINED_VGA   0x0001
  853.  
  854. #define PCI_BASE_CLASS_STORAGE      0x01
  855. #define PCI_CLASS_STORAGE_SCSI      0x0100
  856. #define PCI_CLASS_STORAGE_IDE       0x0101
  857. #define PCI_CLASS_STORAGE_FLOPPY    0x0102
  858. #define PCI_CLASS_STORAGE_IPI       0x0103
  859. #define PCI_CLASS_STORAGE_RAID      0x0104
  860. #define PCI_CLASS_STORAGE_OTHER     0x0180
  861.  
  862. #define PCI_BASE_CLASS_NETWORK      0x02
  863. #define PCI_CLASS_NETWORK_ETHERNET  0x0200
  864. #define PCI_CLASS_NETWORK_TOKEN_RING    0x0201
  865. #define PCI_CLASS_NETWORK_FDDI      0x0202
  866. #define PCI_CLASS_NETWORK_ATM       0x0203
  867. #define PCI_CLASS_NETWORK_OTHER     0x0280
  868.  
  869. #define PCI_BASE_CLASS_DISPLAY      0x03
  870. #define PCI_CLASS_DISPLAY_VGA       0x0300
  871. #define PCI_CLASS_DISPLAY_XGA       0x0301
  872. #define PCI_CLASS_DISPLAY_OTHER     0x0380
  873.  
  874. #define PCI_BASE_CLASS_MULTIMEDIA   0x04
  875. #define PCI_CLASS_MULTIMEDIA_VIDEO  0x0400
  876. #define PCI_CLASS_MULTIMEDIA_AUDIO  0x0401
  877. #define PCI_CLASS_MULTIMEDIA_OTHER  0x0480
  878.  
  879. #define PCI_BASE_CLASS_MEMORY       0x05
  880. #define  PCI_CLASS_MEMORY_RAM       0x0500
  881. #define  PCI_CLASS_MEMORY_FLASH     0x0501
  882. #define  PCI_CLASS_MEMORY_OTHER     0x0580
  883.  
  884. #define PCI_BASE_CLASS_BRIDGE       0x06
  885. #define  PCI_CLASS_BRIDGE_HOST      0x0600
  886. #define  PCI_CLASS_BRIDGE_ISA       0x0601
  887. #define  PCI_CLASS_BRIDGE_EISA      0x0602
  888. #define  PCI_CLASS_BRIDGE_MC        0x0603
  889. #define  PCI_CLASS_BRIDGE_PCI       0x0604
  890. #define  PCI_CLASS_BRIDGE_PCMCIA    0x0605
  891. #define  PCI_CLASS_BRIDGE_NUBUS     0x0606
  892. #define  PCI_CLASS_BRIDGE_CARDBUS   0x0607
  893. #define  PCI_CLASS_BRIDGE_OTHER     0x0680
  894.  
  895. #define PCI_BASE_CLASS_COMMUNICATION    0x07
  896. #define PCI_CLASS_COMMUNICATION_SERIAL  0x0700
  897. #define PCI_CLASS_COMMUNICATION_PARALLEL 0x0701
  898. #define PCI_CLASS_COMMUNICATION_OTHER   0x0780
  899.  
  900. #define PCI_BASE_CLASS_SYSTEM       0x08
  901. #define PCI_CLASS_SYSTEM_PIC        0x0800
  902. #define PCI_CLASS_SYSTEM_DMA        0x0801
  903. #define PCI_CLASS_SYSTEM_TIMER      0x0802
  904. #define PCI_CLASS_SYSTEM_RTC        0x0803
  905. #define PCI_CLASS_SYSTEM_OTHER      0x0880
  906.  
  907. #define PCI_BASE_CLASS_INPUT        0x09
  908. #define PCI_CLASS_INPUT_KEYBOARD    0x0900
  909. #define PCI_CLASS_INPUT_PEN     0x0901
  910. #define PCI_CLASS_INPUT_MOUSE       0x0902
  911. #define PCI_CLASS_INPUT_OTHER       0x0980
  912.  
  913. #define PCI_BASE_CLASS_DOCKING      0x0a
  914. #define PCI_CLASS_DOCKING_GENERIC   0x0a00
  915. #define PCI_CLASS_DOCKING_OTHER     0x0a01
  916.  
  917. #define PCI_BASE_CLASS_PROCESSOR    0x0b
  918. #define PCI_CLASS_PROCESSOR_386     0x0b00
  919. #define PCI_CLASS_PROCESSOR_486     0x0b01
  920. #define PCI_CLASS_PROCESSOR_PENTIUM 0x0b02
  921. #define PCI_CLASS_PROCESSOR_ALPHA   0x0b10
  922. #define PCI_CLASS_PROCESSOR_POWERPC 0x0b20
  923. #define PCI_CLASS_PROCESSOR_CO      0x0b40
  924.  
  925. #define PCI_BASE_CLASS_SERIAL       0x0c
  926. #define PCI_CLASS_SERIAL_FIREWIRE   0x0c00
  927. #define PCI_CLASS_SERIAL_ACCESS     0x0c01
  928. #define PCI_CLASS_SERIAL_SSA        0x0c02
  929. #define PCI_CLASS_SERIAL_USB        0x0c03
  930. #define PCI_CLASS_SERIAL_FIBER      0x0c04
  931.  
  932. #define PCI_CLASS_OTHERS        0xff
  933.  
  934. /* Several ID's we need in the library */
  935.  
  936. #define PCI_VENDOR_ID_INTEL     0x8086
  937. #define PCI_VENDOR_ID_COMPAQ        0x0e11
  938.