1# Copyright (c) 2012-2014 ARM Limited
2# All rights reserved.
3#
4# The license below extends only to copyright in the software and shall
5# not be construed as granting a license to any other intellectual
6# property including but not limited to intellectual property relating
7# to a hardware implementation of the functionality of the software
8# licensed hereunder. You may use the software subject to the license

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66class DRAMCtrl(AbstractMemory):
67 type = 'DRAMCtrl'
68 cxx_header = "mem/dram_ctrl.hh"
69
70 # single-ported on the system interface side, instantiate with a
71 # bus in front of the controller for multiple ports
72 port = SlavePort("Slave port")
73
74 # the basic configuration of the controller architecture
75 write_buffer_size = Param.Unsigned(64, "Number of write queue entries")
76 read_buffer_size = Param.Unsigned(32, "Number of read queue entries")
77
78 # threshold in percent for when to forcefully trigger writes and
79 # start emptying the write buffer
80 write_high_thresh_perc = Param.Percent(85, "Threshold to force writes")
81
82 # threshold in percentage for when to start writes if the read

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