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35#
36# Authors: Andreas Sandberg
37
38from m5.params import *
39
40from m5.objects.Device import BasicPioDevice
41from m5.objects.Gic import *
42
43class NoMaliGpuType(Enum): vals = [
44    'T60x',
45    'T62x',
46    'T760',
47    ]
48
49class NoMaliGpu(PioDevice):
50    type = 'NoMaliGpu'
51    cxx_header = "dev/arm/gpu_nomali.hh"
52
53    pio_addr = Param.Addr("Device base address")
54
55    platform = Param.RealView(Parent.any, "Platform this device is part of.")
56
57    gpu_type = Param.NoMaliGpuType("T760", "GPU type")
58    ver_maj = Param.UInt32(0, "GPU Version (Major)")
59    ver_min = Param.UInt32(0, "GPU Version (Minor)")
60    ver_status = Param.UInt32(0, "GPU Version (Status)")
61
62    int_gpu = Param.UInt32("Interrupt number for GPU interrupts")
63    int_job = Param.UInt32("Interrupt number for JOB interrupts")
64    int_mmu = Param.UInt32("Interrupt number for MMU interrupts")
65
66class CustomNoMaliGpu(NoMaliGpu):
67    """Base class for custom NoMali implementation that need to override
68    configuration registers. See CustomNoMaliT760 for a usage example.
69
70    """
71
72    type = 'CustomNoMaliGpu'
73    cxx_header = "dev/arm/gpu_nomali.hh"
74
75    gpu_id = Param.UInt32("")
76    l2_features = Param.UInt32("")
77    tiler_features = Param.UInt32("")
78    mem_features = Param.UInt32("")
79    mmu_features = Param.UInt32("")
80    as_present = Param.UInt32("")
81    js_present = Param.UInt32("")
82
83    thread_max_threads = Param.UInt32("")
84    thread_max_workgroup_size = Param.UInt32("")
85    thread_max_barrier_size = Param.UInt32("")
86    thread_features = Param.UInt32("")
87
88    texture_features = VectorParam.UInt32("")
89    js_features = VectorParam.UInt32("")
90
91    shader_present = Param.UInt64("")
92    tiler_present = Param.UInt64("")
93    l2_present = Param.UInt64("")
94
95class CustomNoMaliT760(CustomNoMaliGpu):
96    """Example NoMali T760 r0p0-0 configuration using the defaults from
97    the NoMali library.
98
99    """
100
101    gpu_id = 0x07500000
102
103    l2_features = 0x07130206
104    tiler_features = 0x00000809
105    mem_features = 0x00000001
106    mmu_features = 0x00002830
107    as_present = 0x000000ff
108    js_present = 0x00000007
109
110    thread_max_threads = 0x00000100
111    thread_max_workgroup_size = 0x00000100
112    thread_max_barrier_size = 0x00000100
113    thread_features = 0x0a040400
114
115    texture_features = [
116        0x00fe001e,
117        0x0000ffff,
118        0x9f81ffff,
119    ]
120    js_features = [
121        0x0000020e,
122        0x000001fe,
123        0x0000007e,
124    ]
125
126    shader_present = 0x0000000f
127    tiler_present = 0x00000001
128    l2_present = 0x00000001
129