Gen1 PCI Express Hybrid Controller (GPEX-HY) with SR-IOV and ARI Support *
GDA's PCI Express Hybrid controller is a highly flexible and configurable design targeted for switch implementations in desktop, server, mobile, networking and telecom applications. The controller architecture is carefully tailored to optimize link utilization, latency, reliability, power consumption, and silicon footprint.
GPEX-HY is part of GDA's PCIExpress (GPEX) family of IP solutions, which includes End Point (GPEX-EP), Root Complex (GPEX-RC), Hybrid (GPEX-HY), Switch port Controller (GPEX-SW), Switch (GPEX-SWITCH) and Advanced Switching (GPEX-AS) designs. GPEX-HY allows an implementation to be either in EP or RC mode.
The controller's simple, configurable and layered architecture is independent of application logic, PHY designs, implementation tools and, most importantly, the target technology. GDA solution allows the licensees to easily migrate among FPGA, Gate array and Standard cell technologies optimally. Its flexible backend interface makes it easy to be integrated into wide range of applications.
Click here to view the block diagram
Features:
- Compliant to PCI Express base specification
version 2.0* (5.0 Gbps) and fully compliant for
PCI Express Specification 1.1 (2.5 Gbps)
for Gen1 requirements
- Complaint to Single Root I/O Virtualization
and Sharing Specification Revision 1.0
- Compliant to Address Translation Services
Revision 1.0
- Implements transaction, data link and
physical layers
- Supports multiple lanes: x1, x2, x4, x8 or x16
- Architected for high link utilization
and low latency
- Completely handles PCI-Express ordering
rules
- Optional packet buffer and scheduler modules
- Packet oriented user logic interface
- Optional DMA controller on the user logic side
- Supports Type1 configuration space for RC and Type0
for EP mode
- Allows access to configuration space from line and
GPI in EP mode
- Flexible lane ordering and support for lane reversal
- Supports FLR
- Supports ARI Forwarding
* - Rambus IP; Sold under GDA’s Re-seller agreement with Rambus, Inc.
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