DRAMCtrl.py (10489:99d59caa4c8f) DRAMCtrl.py (10536:aa97958ce2aa)
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
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

--- 57 unchanged lines hidden (view full) ---

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
74 # the basic configuration of the controller architecture, note
75 # that each entry corresponds to a burst for the specific DRAM
76 # configuration (e.g. x32 with burst length 8 is 32 bytes) and not
77 # the cacheline size or request/packet size
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

--- 653 unchanged lines hidden --- 		78 write_buffer_size = Param.Unsigned(64, "Number of write queue entries")
79 read_buffer_size = Param.Unsigned(32, "Number of read queue entries")
80
81 # threshold in percent for when to forcefully trigger writes and
82 # start emptying the write buffer
83 write_high_thresh_perc = Param.Percent(85, "Threshold to force writes")
84
85 # threshold in percentage for when to start writes if the read

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