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Diffstat (limited to 'src/dev/arm/UFSHostDevice.py')
-rw-r--r-- | src/dev/arm/UFSHostDevice.py | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/src/dev/arm/UFSHostDevice.py b/src/dev/arm/UFSHostDevice.py new file mode 100644 index 000000000..f9369ebc9 --- /dev/null +++ b/src/dev/arm/UFSHostDevice.py @@ -0,0 +1,66 @@ +# Copyright (c) 2013-2015 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. +# +# 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. +# +# Authors: Rene de Jong +# +import sys +from m5.params import * +from m5.proxy import * +from Device import DmaDevice +from AbstractNVM import * + +class UFSHostDevice(DmaDevice): + type = 'UFSHostDevice' + cxx_header = "dev/arm/ufs_device.hh" + pio_addr = Param.Addr("Address for SCSI configuration slave interface") + pio_latency = Param.Latency("10ns", "Time between action and write/read \ + result by AMBA DMA Device") + gic = Param.BaseGic(Parent.any, "Gic to use for interrupting") + int_num = Param.UInt32("Interrupt number that connects to GIC") + img_blk_size = Param.UInt32(512, "Size of one image block in bytes") + # Every image that is added to the vector will generate a new logic unit + # in the UFS device; Theoretically (when using the driver from Linux + # kernel 3.9 onwards), this can be as many as eigth. Up to two have been + # tested. + image = VectorParam.DiskImage("Disk images") + # Every logic unit can have its own flash dimensions. So the number of + # images that have been provided in the image vector, should be equal to + # the number of flash objects that are created. Each logic unit can have + # its own flash dimensions; to allow the system to define a hetrogeneous + # storage system. + internalflash = VectorParam.AbstractNVM("Describes the internal flash") + ufs_slots = Param.UInt32(32, "Number of commands that can be queued in \ + the Host controller (min: 1, max: 32)") + |