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Download ENP-2611 Hardware Reference
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ENP-2611 Hardware Reference Media Interfaces...................................................................................................................................................................................................... FPGA SPI-3 Bridge......................................................................................................................................................................................... PM3386 and PM3387 Gigabit Ethernet Controllers .............................................................................................................................. Serializer-Deserializer (SERDES) ...................................................................................................................................................... EGMAC (Enhanced Gigabit Media Access Control)..................................................................................................................... Management Statistics (MSTAT) ....................................................................................................................................................... POS-PHY Level 3 Interface ................................................................................................................................................................ Receive Direction................................................................................................................................................................................. Transmit Direction ............................................................................................................................................................................... Flow Control ......................................................................................................................................................................................... Microprocessor Interface ................................................................................................................................................................... Gigabit Ethernet Channels .......................................................................................................................................................................... Option Board Interface ................................................................................................................................................................................ PCI Interfaces ........................................................................................................................................................................................................... Host (Backplane) PCI Bus ........................................................................................................................................................................... 21555 PCI/PCI Bridge.......................................................................................................................................................................... Local64 PCI Bus ............................................................................................................................................................................................. Clocking ................................................................................................................................................................................................. Arbitration.............................................................................................................................................................................................. Interrupts ............................................................................................................................................................................................... IXP2400 Network Processor.............................................................................................................................................................. Local32 PCI Bus ............................................................................................................................................................................................. PCI2050B PCI/PCI Bridge .................................................................................................................................................................. Clocking ................................................................................................................................................................................................. Arbitration.............................................................................................................................................................................................. Interrupts ............................................................................................................................................................................................... 82559 10BaseT/100Base-TX Ethernet Controller........................................................................................................................... Option Board PCI Interface ............................................................................................................................................................... Clocking..................................................................................................................................................................................................................... IXP2400 System Clock Generation............................................................................................................................................................ IXP2400 MSF/FPGA Interface Clock Generation .................................................................................................................................... FPGA/PM338x Interface Clock Generation.............................................................................................................................................. Reset and Initialization........................................................................................................................................................................................... Power......................................................................................................................................................................................................................... +2.5V and +1.25V DDR SDRAM Supply .................................................................................................................................................. +1.5V and +0.75V QDR SRAM Supply ..................................................................................................................................................... +1.3V IXP2400 Core Supply........................................................................................................................................................................ +1.8V Miscellaneous Supply....................................................................................................................................................................... Power Supply Sequencing .......................................................................................................................................................................... PCI Device Configuration ...................................................................................................................................................................................... Thermal Design ............................................................................................................................................................................................. 24 24 24 24 24 25 25 25 25 26 26 26 27 27 28 28 33 33 33 33 34 34 34 34 34 34 35 35 35 35 35 36 37 39 40 40 40 41 41 41 42 Appendix A: IXP2400 Memory Map............................................................................................................................................................ 43 Appendix B: Registers FPGA Registers (C5000000h – C57FFFFFh)............................................................................................................................................ POST Register (C5800000h)....................................................................................................................................................................... Port 0, 1, 2 Transceiver Registers (C5800004h, C5800008h, C580000Ch) ..................................................................................... FPGA Programming Register (C5800010h) ............................................................................................................................................ FPGA Load Port Register (C5800014h).................................................................................................................................................... viii 47 47 47 48 49
