source: trunk/modules/vci_ethernet_tsar/doc/README @ 975

Last change on this file since 975 was 528, checked in by lambert, 11 years ago

Introduicing VciEthernetTsar?
This component is modified version of VciEthernet? from soclib
Main differences are :

  • DMA access avoid overlapinging cache line boundaries
  • Pktid is now 0x4 in write cmd
  • IRQ can be reset with the status register
File size: 425 bytes
Line 
1This files describes the differences between vci_ethernet_tsar and
2vci_ethernet
3
4* Added f->wr_req->setPacket(0x4); for every Write command from vci_ethernet in
5  order to respect overloading of vci CMD in pktid of Tsar architecture
6
7* Added overlapping detection in read and write vci CMD. First, vci CMD is now
8  made at maximum with the boundary of a cache line (64 alignement)
9
10* Added set and reset for IRQ lines enable
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