BRIDGE

From LinuxMIPS
Revision as of 17:44, 10 August 2005 by Ralf (Talk | contribs)

(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to: navigation, search

The BRIDGE Application-specific_integrated_circuit|ASIC is used as the PCI hostbridge in the SGI IP27 family of machines. It interfaces between the internal Crosstalk connect one the one side and the 64-bit, 33MHz PCI bus on the other side. It supports 32-bit PCI cards by providing an address translation mechanism allowing 32-bit PCI cards to access the entire 64-bit address space of the system. BRIDGE also allows to specify a few attributes in 64-bit DMA addresses rsp. the address translation tables allowing to maximize performance.

Linux support

Linux support BRIDGE but is currently limited to 64-bit cards only.

Related patents