1/*
2 * Copyright (c) 2014-2015 ARM Limited
3 * All rights reserved
4 *
5 * The license below extends only to copyright in the software and shall
6 * not be construed as granting a license to any other intellectual
7 * property including but not limited to intellectual property relating
8 * to a hardware implementation of the functionality of the software
9 * licensed hereunder. You may use the software subject to the license
10 * terms below provided that you ensure that this notice is replicated

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

41
42#include "debug/NoMali.hh"
43#include "dev/arm/base_gic.hh"
44#include "dev/arm/realview.hh"
45#include "enums/MemoryMode.hh"
46#include "mem/packet_access.hh"
47#include "params/NoMaliGpu.hh"
48
49NoMaliGpu::NoMaliGpu(const NoMaliGpuParams *p)
50 : PioDevice(p),
51 pioAddr(p->pio_addr),
52 platform(p->platform),
53 interruptMap{
54 { NOMALI_INT_GPU, p->int_gpu },
55 { NOMALI_INT_JOB, p->int_job },
56 { NOMALI_INT_MMU, p->int_mmu },
57 }
58{
59 if (nomali_api_version() != NOMALI_API_VERSION)
60 panic("NoMali library API mismatch!\n");
61
62 /* Setup the GPU configuration based on our param struct */
63 nomali_config_t cfg;
64 memset(&cfg, 0, sizeof(cfg));
65
66 switch (p->gpu_type) {
67 case Enums::T60x:
68 cfg.type = NOMALI_GPU_T60X;
69 break;
70
71 case Enums::T62x:
72 cfg.type = NOMALI_GPU_T62X;
73 break;
74
75 case Enums::T760:
76 cfg.type = NOMALI_GPU_T760;
77 break;
78
79 default:
80 fatal("Unknown GPU type\n");
81 }
82
83 cfg.ver_maj = p->ver_maj;
84 cfg.ver_min = p->ver_min;
85 cfg.ver_status = p->ver_status;
86
87 panicOnErr(
88 nomali_create(&nomali, &cfg),
89 "Failed to instantiate NoMali");
90
91
92 /* Setup an interrupt callback */
93 nomali_callback_t cbk_int;
94 cbk_int.type = NOMALI_CALLBACK_INT;
95 cbk_int.usr = (void *)this;
96 cbk_int.func.interrupt = NoMaliGpu::_interrupt;
97 panicOnErr(
98 nomali_set_callback(nomali, &cbk_int),
99 "Failed to setup interrupt callback");
100
101 panicOnErr(
102 nomali_get_info(nomali, &nomaliInfo),
103 "Failed to get NoMali information struct");
104}
105
106NoMaliGpu::~NoMaliGpu()
107{
108 nomali_destroy(nomali);
109}
110
111
112void
113NoMaliGpu::serialize(CheckpointOut &cp) const
114{
115 std::vector<uint32_t> regs(nomaliInfo.reg_size >> 2);
116
117 for (int i = 0; i < nomaliInfo.reg_size; i += 4)
118 regs[i >> 2] = readRegRaw(i);
119

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

174}
175
176AddrRangeList
177NoMaliGpu::getAddrRanges() const
178{
179 return AddrRangeList({ RangeSize(pioAddr, nomaliInfo.reg_size) });
180}
181
182uint32_t
183NoMaliGpu::readReg(nomali_addr_t reg)
184{
185 uint32_t value;
186
187 panicOnErr(
188 nomali_reg_read(nomali, &value, reg),
189 "GPU register read failed");

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

222void
223NoMaliGpu::writeRegRaw(nomali_addr_t reg, uint32_t value)
224{
225 panicOnErr(
226 nomali_reg_write_raw(nomali, reg, value),
227 "GPU raw register write failed");
228}
229
230void
231NoMaliGpu::_interrupt(nomali_handle_t h, void *usr, nomali_int_t intno, int set)
232{
233 NoMaliGpu *_this(static_cast<NoMaliGpu *>(usr));
234
235 _this->onInterrupt(h, intno, !!set);
236}
237
238void
239NoMaliGpu::onInterrupt(nomali_handle_t h, nomali_int_t intno, bool set)
240{
241 const auto it_int(interruptMap.find(intno));
242 if (it_int == interruptMap.end())
243 panic("Unhandled interrupt from NoMali: %i\n", intno);
244
245 DPRINTF(NoMali, "Interrupt %i->%i: %i\n",
246 intno, it_int->second, set);
247
248 assert(platform);
249 assert(platform->gic);
250
251 if (set)
252 platform->gic->sendInt(it_int->second);
253 else
254 platform->gic->clearInt(it_int->second);
255}
256
257void
258NoMaliGpu::gpuPanic(nomali_error_t err, const char *msg)
259{
260 panic("%s: %s\n", msg, nomali_errstr(err));
261}
262
263NoMaliGpu *
264NoMaliGpuParams::create()
265{
266 return new NoMaliGpu(this);
267}