NoMali.py revision 11619
1# Copyright (c) 2014-2016 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 9# terms below provided that you ensure that this notice is replicated 10# unmodified and in its entirety in all distributions of the software, 11# modified or unmodified, in source code or in binary form. 12# 13# Redistribution and use in source and binary forms, with or without 14# modification, are permitted provided that the following conditions are 15# met: redistributions of source code must retain the above copyright 16# notice, this list of conditions and the following disclaimer; 17# redistributions in binary form must reproduce the above copyright 18# notice, this list of conditions and the following disclaimer in the 19# documentation and/or other materials provided with the distribution; 20# neither the name of the copyright holders nor the names of its 21# contributors may be used to endorse or promote products derived from 22# this software without specific prior written permission. 23# 24# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 25# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 26# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 27# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 28# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 29# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 30# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 31# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 32# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 33# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 34# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 35# 36# Authors: Andreas Sandberg 37 38from m5.params import * 39from Device import BasicPioDevice 40from Gic import * 41 42class NoMaliGpuType(Enum): vals = [ 43 'T60x', 44 'T62x', 45 'T760', 46 ] 47 48class NoMaliGpu(PioDevice): 49 type = 'NoMaliGpu' 50 cxx_header = "dev/arm/gpu_nomali.hh" 51 52 pio_addr = Param.Addr("Device base address") 53 54 platform = Param.RealView(Parent.any, "Platform this device is part of.") 55 56 gpu_type = Param.NoMaliGpuType("T760", "GPU type") 57 ver_maj = Param.UInt32(0, "GPU Version (Major)") 58 ver_min = Param.UInt32(0, "GPU Version (Minor)") 59 ver_status = Param.UInt32(0, "GPU Version (Status)") 60 61 int_gpu = Param.UInt32("Interrupt number for GPU interrupts") 62 int_job = Param.UInt32("Interrupt number for JOB interrupts") 63 int_mmu = Param.UInt32("Interrupt number for MMU interrupts") 64 65class CustomNoMaliGpu(NoMaliGpu): 66 """Base class for custom NoMali implementation that need to override 67 configuration registers. See CustomNoMaliT760 for a usage example. 68 69 """ 70 71 type = 'CustomNoMaliGpu' 72 cxx_header = "dev/arm/gpu_nomali.hh" 73 74 gpu_id = Param.UInt32("") 75 l2_features = Param.UInt32("") 76 tiler_features = Param.UInt32("") 77 mem_features = Param.UInt32("") 78 mmu_features = Param.UInt32("") 79 as_present = Param.UInt32("") 80 js_present = Param.UInt32("") 81 82 thread_max_threads = Param.UInt32("") 83 thread_max_workgroup_size = Param.UInt32("") 84 thread_max_barrier_size = Param.UInt32("") 85 thread_features = Param.UInt32("") 86 87 texture_features = VectorParam.UInt32("") 88 js_features = VectorParam.UInt32("") 89 90 shader_present = Param.UInt64("") 91 tiler_present = Param.UInt64("") 92 l2_present = Param.UInt64("") 93 94class CustomNoMaliT760(CustomNoMaliGpu): 95 """Example NoMali T760 r0p0-0 configuration using the defaults from 96 the NoMali library. 97 98 """ 99 100 gpu_id = 0x07500000 101 102 l2_features = 0x07130206 103 tiler_features = 0x00000809 104 mem_features = 0x00000001 105 mmu_features = 0x00002830 106 as_present = 0x000000ff 107 js_present = 0x00000007 108 109 thread_max_threads = 0x00000100 110 thread_max_workgroup_size = 0x00000100 111 thread_max_barrier_size = 0x00000100 112 thread_features = 0x0a040400 113 114 texture_features = [ 115 0x00fe001e, 116 0x0000ffff, 117 0x9f81ffff, 118 ] 119 js_features = [ 120 0x0000020e, 121 0x000001fe, 122 0x0000007e, 123 ] 124 125 shader_present = 0x0000000f 126 tiler_present = 0x00000001 127 l2_present = 0x00000001 128