type = 'Bridge'
side_a = Port('Side A port')
side_b = Port('Side B port')
- queue_size_a = Param.Int(16, "The number of requests to buffer")
- queue_size_b = Param.Int(16, "The number of requests to buffer")
+ req_size_a = Param.Int(16, "The number of requests to buffer")
+ req_size_b = Param.Int(16, "The number of requests to buffer")
+ resp_size_a = Param.Int(16, "The number of requests to buffer")
+ resp_size_b = Param.Int(16, "The number of requests to buffer")
delay = Param.Latency('0ns', "The latency of this bridge")
+ nack_delay = Param.Latency('0ns', "The latency of this bridge")
write_ack = Param.Bool(False, "Should this bridge ack writes")
fix_partial_write_a = Param.Bool(False, "Should this bridge fixup partial block writes")
fix_partial_write_b = Param.Bool(False, "Should this bridge fixup partial block writes")
type = 'DmaDevice'
abstract = True
dma = Port(Self.pio.peerObj.port, "DMA port")
+ min_backoff_delay = Param.Latency('4ns',
+ "min time between a nack packet being received and the next request made by the device")
+ max_backoff_delay = Param.Latency('10us',
+ "max time between a nack packet being received and the next request made by the device")
+
+
class IsaFake(BasicPioDevice):
type = 'IsaFake'