This manual describes the architecture, system configuration, and register definitions for the Loongson 7A2000 Bridge Chip.
The Loongson 7A2000 Bridge Chip User Manual provides a comprehensive overview of the chip's system architecture and primary module functions. It details the configuration and bit fields for various registers associated with the bridge chip.
The document covers a wide range of interfaces and controllers, including HT, PCIe, GPU, display, USB, SATA, network, audio, and GPIO interfaces. It also includes specific sections on clock structures, address space allocation, interrupt controllers, temperature sensors, and power management modules. This manual is written in Chinese.
It is a bridge chip that provides system architecture and configuration for various interfaces including HT, PCIE, GPU, and USB.
The default value for the PCI Command register is 0001h.