1# Copyright (c) 2005-2007 The Regents of The University of Michigan 2# All rights reserved. 3# 4# Redistribution and use in source and binary forms, with or without 5# modification, are permitted provided that the following conditions are 6# met: redistributions of source code must retain the above copyright 7# notice, this list of conditions and the following disclaimer; 8# redistributions in binary form must reproduce the above copyright --- 32 unchanged lines hidden (view full) --- 41 type = 'BasicPioDevice' 42 abstract = True 43 pio_addr = Param.Addr("Device Address") 44 pio_latency = Param.Latency('1ns', "Programmed IO latency in simticks") 45 46class DmaDevice(PioDevice): 47 type = 'DmaDevice' 48 abstract = True |
49 dma = Port("DMA port") |
50 min_backoff_delay = Param.Latency('4ns', 51 "min time between a nack packet being received and the next request made by the device") 52 max_backoff_delay = Param.Latency('10us', 53 "max time between a nack packet being received and the next request made by the device") 54 55 56 57class IsaFake(BasicPioDevice): --- 17 unchanged lines hidden --- |