ii
List of Tables
3–1 SG2010 Functional Modes......................................................................................................................... 4–7
3–2 Root and Leaf Functional Differences ....................................................................................................... 4–8
3–3 Gateway BAR2 - BAR5 Allowable Configurations ................................................................................ 4–10
3–4 Segment Allocation per BAR................................................................................................................... 4–11
3–5 Address Decoding Enable Summary ....................................................................................................... 4–32
3–6 Supported PCI Commands. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–39
3–7 Speculative Read Prefetch Amounts ........................................................................................................ 4–45
3–8 PCI Target Termination Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–53
3–9 PCI Memory Write Translation Parameters............................................................................................. 4–55
3–10 Address-Routed Write Frame Field Values ............................................................................................. 4–55
3–11 Path-routed/Multicast Write Frame Field Values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–56
3–12 Data Organization in Write Frames ......................................................................................................... 4–59
3–13 Write Acknowledge Header Fields .......................................................................................................... 4–60
3–14 Failure Types for Write Acknowledge..................................................................................................... 4–61
3–15 PCI Memory Read Request Translation Parameters................................................................................ 4–61
3–16 PCI Read Request Frame Field Values.................................................................................................... 4–62
3–17 Read Request Frame Field Values ........................................................................................................... 4–63
3–18 Read Completion Header Fields ..............................................................................................
................ 4–64
3–19 Failure Types for Read Completion......................................................................................................... 4–64
3–20 Payload Organizations Supported in a Write Frame................................................................................ 4–67
3–21 Byte Enable Calculation for Last Dword ................................................................................................. 4–67
3–22 CoS Arbitration Entries............................................................................................................................ 4–72
3–23 Signal Event Codes and Table Indexes.................................................................................................... 4–77
3–24 Default EMU Address Assignments for Signal Events ........................................................................... 4–78
3–25 SG2010 Modes and Signal Event Control Bits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–79
3–26 Primary Event Code and Secondary Event Code Assignments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–84
3–27 SG2010 Functions Associated with EMU Addresses.............................................................................. 4–88
3–28 PCI INTx# EMU Address Swizzle Modification .................................................................................... 4–90
3–29 Event Message PCI Address Components............................................................................................... 4–92
3–30 Event Message Data Payload.................................................................................................
.................. 4–92
3–31 Write Acknowledge Event Message Payload .......................................................................................... 4–93
3–32 Write Message Payload............................................................................................................................ 4–94
3–33 SG2010's Reset Mechanisms ................................................................................................................... 4–98
3–34 PFN Assignment During Fabric Enumeration ....................................................................................... 4–110
3–35 Initial Line Credits for SG2010.............................................................................................................. 4–112
3–36 CompactPCI Hot Swap Signal Pins ....................................................................................................... 4–121
3–37 Hot Swap Control Register Control and Status Bits .............................................................................. 4–122
3–38 SGF State Table ..................................................................................................................................... 4–130
3–39 PCI Arbiter Signal Pins.......................................................................................................................... 4–135
3–40 Hardware-Controlled LED Signal State. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–148
4–1 SG2010 Register Access Mechanisms...........................................................................................
........ 5–150
4–2 PCI Memory Space Register Map Summary ......................................................................................... 5–151
4–3 PCI I/O Space Register Map Summary ................................................................................................. 5–151
4–4 Channel 255 Mappings .......................................................................................................................... 5–152
4–5 SROM Preload Data Format .................................................................................................................. 5–154
4–7 StarFabric Component Header Register Map ........................................................................................ 5–155
4–6 Read-only Registers with Preload Allowed ........................................................................................... 5–155
4–8 CSR Map................................................................................................................................................ 5–158
4–9 Bridge Configuration Register Map....................................................................................................... 5–163
4–10 Gateway Configuration Register Map ................................................................................................... 5–164
4–11 I/O Register Map.................................................................................................................................... 5–165
4–12 Extended List Pointer (ELP) Summary.................................................................................................. 5–170
4–13 Event Status Bit Assignments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–215
6–1 Pin List By Location .............................................................................................................................. 7–299