d11c40dcac
This ensures `isort` is applied to all files in the repo. Change-Id: Ib7ced1c924ef1639542bf0d1a01c5737f6ba43e9
68 lines
3.0 KiB
Python
68 lines
3.0 KiB
Python
# Copyright (c) 2012-2013, 2021 ARM Limited
|
|
# All rights reserved.
|
|
#
|
|
# The license below extends only to copyright in the software and shall
|
|
# not be construed as granting a license to any other intellectual
|
|
# property including but not limited to intellectual property relating
|
|
# to a hardware implementation of the functionality of the software
|
|
# licensed hereunder. You may use the software subject to the license
|
|
# terms below provided that you ensure that this notice is replicated
|
|
# unmodified and in its entirety in all distributions of the software,
|
|
# modified or unmodified, in source code or in binary form.
|
|
#
|
|
# Copyright (c) 2005-2008 The Regents of The University of Michigan
|
|
# All rights reserved.
|
|
#
|
|
# Redistribution and use in source and binary forms, with or without
|
|
# modification, are permitted provided that the following conditions are
|
|
# met: redistributions of source code must retain the above copyright
|
|
# notice, this list of conditions and the following disclaimer;
|
|
# redistributions in binary form must reproduce the above copyright
|
|
# notice, this list of conditions and the following disclaimer in the
|
|
# documentation and/or other materials provided with the distribution;
|
|
# neither the name of the copyright holders nor the names of its
|
|
# contributors may be used to endorse or promote products derived from
|
|
# this software without specific prior written permission.
|
|
#
|
|
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
|
|
from m5.objects.AbstractMemory import AbstractMemory
|
|
from m5.params import *
|
|
from m5.util.fdthelper import (
|
|
FdtNode,
|
|
FdtPropertyWords,
|
|
)
|
|
|
|
|
|
class CfiMemory(AbstractMemory):
|
|
type = "CfiMemory"
|
|
cxx_header = "mem/cfi_mem.hh"
|
|
cxx_class = "gem5::memory::CfiMemory"
|
|
|
|
port = ResponsePort("Response port")
|
|
|
|
latency = Param.Latency("30ns", "Request to response latency")
|
|
latency_var = Param.Latency("0ns", "Request to response latency variance")
|
|
# The memory bandwidth limit default is set to 12.8GB/s which is
|
|
# representative of a x64 DDR3-1600 channel.
|
|
bandwidth = Param.MemoryBandwidth(
|
|
"12.8GB/s", "Combined read and write bandwidth"
|
|
)
|
|
|
|
vendor_id = Param.UInt16(0, "vendor ID")
|
|
device_id = Param.UInt16(0, "device ID")
|
|
|
|
blk_size = Param.UInt32(64 * 1024, "Block size in bytes")
|
|
|
|
bank_width = Param.UInt16(4, "width in bytes of flash interface")
|