GE Fanuc 公司的AT2-5800是基于两个高性能的OCTEON™ Plus(CN5860-SCP, 16核 @750MHz)多核处理器,非常适合需要线速IP包处理的诸如3G/4G无线通信和IPTV的应用.本文介绍了OCTEON Plus CN58XX处理器的主要性能,方框图,以及系统应用方框图和AT2-5800刀片开发板的主要性能和方框图.

OCTEON Plus CN58XX 4 to 16-Core MIPS64-Based SoCs
The OCTEON™ Plus CN58XX family of Multi-core MIPS64 processors targets intelligent networking, control plane, storage, and wireless applications in next-generation equipment from 2 Gbps to full-duplex 10 Gbps (20 Gbps) performance.

The family includes 12 different software-compatible parts, with four to sixteen cnMIPS64 cores on a single chip that integrate next-generation networking I/Os along with the most advanced security and application hardware acceleration to deliver a 2x – 3x performance, power and real-estate value proposition over alternatives.

OCTEON Plus CN58XX主要特性:
Fully pin and software compatible with the leading OCTEON CN38XX/CN36XX family
4-16 cnMIPS CPU cores (MIPS64/32 compatible) with MMU
Available in 600 MHz to 1 GHz versions
Enhanced MIPS64 integer (Release2) instruction set
Dual-issue, five-stage pipeline, optimized latencies
Auto instruction pre-fetching and advanced data pre-fetching features to minimize memory stalls
High-performance coherent memory subsystem
1MB or 2MB ECC protected 8-way set associative L2 cache with locking, partitioning features for optimal performance
Integrated mainstream 128/144b DDR2 memory controller with ECC, up to DDR2-800
Optional, additional, low-latency 2x18b or 4x9b RLDRAM2 for content based processing, meta-data and TCAM connectivity
Integrated Coprocessors for Application Acceleration
Packet I/O processing, QoS, TCP Acceleration
Support for IPsec, SSL, SRTP, WLAN and UMTS/LTE security (includes DES, 3DES, AES-GCM, AES up to 256, SHA1, SHA-2 up to SHA-512, RSA up to 8192, DH, KASUMI)
Regular Expression, Compression/Decompression
Integrated high-performance networking interfaces
Up to 2 sets of I/Os - each con_gurable as 4x 10/100/1000 Ethernet MACs (RGMII) or SPI-4.2
Integrated 64-bit, 133 MHz PCI-X host or slave
Comprehensive development environment with Linux, VxWorks and C/C++ support
Optimized Power Consumption: 18W – 40W
Package: 1521 FCBGA

优势:
Market-Leading Performance
Up to 32 Billion instructions per second
Leading-edge application performance
Up to 30 Mpps 64B IP forwarding
Full Duplex up to 10 Gbps for TCP, IPsec, SSL, KASUMI
Up to 5 Gbps for Regular Expression
Compression/Decompression
Double L1/L2 caches and up to 3x Interconnect bandwidth along with 1 GHz Core delivers up to 2x performance over OCTEON CN38XX
Sophisticated Hardware Based QoS Support
Queuing, scheduling
Very low latency for real-time tra_c
Reduced BOM Cost with Essential Interfaces for Standalone Routers/Appliances, Line-card and Services-card Applications
Flexible Architecture allows Host and Coprocessor Implementations
Industry-Standard Programming Model without any need for Proprietary Tools or Micro-coding
Fully Software Compatible with OCTEON CN31XX and CN30XX to deliver 1- 16 CPU scalability
2x – 3x Advantage over Alternative System Architectures in Performance and Power for L4-L7 Data and Security Services
2x performance/watt over OCTEON CN38XX



图1. OCTEON Plus CN58XX方框图



图2.基于OCTEON Plus CN58XX的系统方框图

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