1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
|
/*
* nextpnr -- Next Generation Place and Route
*
* Copyright (C) 2018 Clifford Wolf <clifford@symbioticeda.com>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
*/
#ifdef MAIN_EXECUTABLE
#include <fstream>
#include "bitstream.h"
#include "command.h"
#include "design_utils.h"
#include "log.h"
#include "timing.h"
#include "util.h"
USING_NEXTPNR_NAMESPACE
class ECP5CommandHandler : public CommandHandler
{
public:
ECP5CommandHandler(int argc, char **argv);
virtual ~ECP5CommandHandler(){};
std::unique_ptr<Context> createContext(std::unordered_map<std::string, Property> &values) override;
void setupArchContext(Context *ctx) override{};
void customAfterLoad(Context *ctx) override;
void validate() override;
void customBitstream(Context *ctx) override;
protected:
po::options_description getArchOptions() override;
};
ECP5CommandHandler::ECP5CommandHandler(int argc, char **argv) : CommandHandler(argc, argv) {}
po::options_description ECP5CommandHandler::getArchOptions()
{
po::options_description specific("Architecture specific options");
specific.add_options()("25k", "set device type to LFE5U-25F");
specific.add_options()("45k", "set device type to LFE5U-45F");
specific.add_options()("85k", "set device type to LFE5U-85F");
specific.add_options()("um-25k", "set device type to LFE5UM-25F");
specific.add_options()("um-45k", "set device type to LFE5UM-45F");
specific.add_options()("um-85k", "set device type to LFE5UM-85F");
specific.add_options()("um5g-25k", "set device type to LFE5UM5G-25F");
specific.add_options()("um5g-45k", "set device type to LFE5UM5G-45F");
specific.add_options()("um5g-85k", "set device type to LFE5UM5G-85F");
specific.add_options()("package", po::value<std::string>(), "select device package (defaults to CABGA381)");
specific.add_options()("speed", po::value<int>(), "select device speedgrade (6, 7 or 8)");
specific.add_options()("basecfg", po::value<std::string>(),
"base chip configuration in Trellis text format (deprecated)");
specific.add_options()("override-basecfg", po::value<std::string>(),
"base chip configuration in Trellis text format");
specific.add_options()("textcfg", po::value<std::string>(), "textual configuration in Trellis format to write");
specific.add_options()("lpf", po::value<std::vector<std::string>>(), "LPF pin constraint file(s)");
specific.add_options()("lpf-allow-unconstrained", "don't require LPF file(s) to constrain all IO");
specific.add_options()(
"out-of-context",
"disable IO buffer insertion and global promotion/routing, for building pre-routed blocks (experimental)");
return specific;
}
void ECP5CommandHandler::validate()
{
if ((vm.count("25k") + vm.count("45k") + vm.count("85k")) > 1)
log_error("Only one device type can be set\n");
}
void ECP5CommandHandler::customBitstream(Context *ctx)
{
std::string basecfg;
if (vm.count("basecfg")) {
log_warning("--basecfg is deprecated.\nIf you are using a default baseconfig (from prjtrellis/misc/basecfgs), "
"these are now embedded in nextpnr - please remove --basecfg.\nIf you are using a non-standard "
"baseconfig in a special application, switch to using --override-basecfg.\n");
basecfg = vm["basecfg"].as<std::string>();
} else if (vm.count("override-basecfg")) {
basecfg = vm["basecfg"].as<std::string>();
}
if (bool_or_default(ctx->settings, ctx->id("arch.ooc")) && vm.count("textcfg"))
log_error("bitstream generation is not available in out-of-context mode (use --write to create a post-PnR JSON "
"design)\n");
std::string textcfg;
if (vm.count("textcfg"))
textcfg = vm["textcfg"].as<std::string>();
write_bitstream(ctx, basecfg, textcfg);
}
static std::string speedString(ArchArgs::SpeedGrade speed)
{
switch (speed) {
case ArchArgs::SPEED_6:
return "6";
case ArchArgs::SPEED_7:
return "7";
case ArchArgs::SPEED_8:
return "8";
case ArchArgs::SPEED_8_5G:
return "8";
}
return "";
}
std::unique_ptr<Context> ECP5CommandHandler::createContext(std::unordered_map<std::string, Property> &values)
{
ArchArgs chipArgs;
chipArgs.type = ArchArgs::NONE;
if (vm.count("25k"))
chipArgs.type = ArchArgs::LFE5U_25F;
if (vm.count("45k"))
chipArgs.type = ArchArgs::LFE5U_45F;
if (vm.count("85k"))
chipArgs.type = ArchArgs::LFE5U_85F;
if (vm.count("um-25k"))
chipArgs.type = ArchArgs::LFE5UM_25F;
if (vm.count("um-45k"))
chipArgs.type = ArchArgs::LFE5UM_45F;
if (vm.count("um-85k"))
chipArgs.type = ArchArgs::LFE5UM_85F;
if (vm.count("um5g-25k"))
chipArgs.type = ArchArgs::LFE5UM5G_25F;
if (vm.count("um5g-45k"))
chipArgs.type = ArchArgs::LFE5UM5G_45F;
if (vm.count("um5g-85k"))
chipArgs.type = ArchArgs::LFE5UM5G_85F;
if (vm.count("package"))
chipArgs.package = vm["package"].as<std::string>();
if (vm.count("speed")) {
int speed = vm["speed"].as<int>();
switch (speed) {
case 6:
chipArgs.speed = ArchArgs::SPEED_6;
break;
case 7:
chipArgs.speed = ArchArgs::SPEED_7;
break;
case 8:
chipArgs.speed = ArchArgs::SPEED_8;
break;
default:
log_error("Unsupported speed grade '%d'\n", speed);
}
} else {
if (chipArgs.type == ArchArgs::LFE5UM5G_25F || chipArgs.type == ArchArgs::LFE5UM5G_45F ||
chipArgs.type == ArchArgs::LFE5UM5G_85F) {
chipArgs.speed = ArchArgs::SPEED_8;
} else
chipArgs.speed = ArchArgs::SPEED_6;
}
if (values.find("arch.name") != values.end()) {
std::string arch_name = values["arch.name"].as_string();
if (arch_name != "ecp5")
log_error("Unsuported architecture '%s'.\n", arch_name.c_str());
}
if (values.find("arch.type") != values.end()) {
std::string arch_type = values["arch.type"].as_string();
if (chipArgs.type != ArchArgs::NONE)
log_error("Overriding architecture is unsuported.\n");
if (arch_type == "lfe5u_25f")
chipArgs.type = ArchArgs::LFE5U_25F;
if (arch_type == "lfe5u_45f")
chipArgs.type = ArchArgs::LFE5U_45F;
if (arch_type == "lfe5u_85f")
chipArgs.type = ArchArgs::LFE5U_85F;
if (arch_type == "lfe5um_25f")
chipArgs.type = ArchArgs::LFE5UM_25F;
if (arch_type == "lfe5um_45f")
chipArgs.type = ArchArgs::LFE5UM_45F;
if (arch_type == "lfe5um_85f")
chipArgs.type = ArchArgs::LFE5UM_85F;
if (arch_type == "lfe5um5g_25f")
chipArgs.type = ArchArgs::LFE5UM5G_25F;
if (arch_type == "lfe5um5g_45f")
chipArgs.type = ArchArgs::LFE5UM5G_45F;
if (arch_type == "lfe5um5g_85f")
chipArgs.type = ArchArgs::LFE5UM5G_85F;
if (chipArgs.type == ArchArgs::NONE)
log_error("Unsuported FPGA type '%s'.\n", arch_type.c_str());
}
if (values.find("arch.package") != values.end()) {
if (vm.count("package"))
log_error("Overriding architecture is unsuported.\n");
chipArgs.package = values["arch.package"].as_string();
}
if (values.find("arch.speed") != values.end()) {
std::string arch_speed = values["arch.speed"].as_string();
if (arch_speed == "6")
chipArgs.speed = ArchArgs::SPEED_6;
else if (arch_speed == "7")
chipArgs.speed = ArchArgs::SPEED_7;
else if (arch_speed == "8")
chipArgs.speed = ArchArgs::SPEED_8;
else
log_error("Unsuported speed '%s'.\n", arch_speed.c_str());
}
if (chipArgs.type == ArchArgs::NONE)
chipArgs.type = ArchArgs::LFE5U_45F;
if (chipArgs.package.empty()) {
chipArgs.package = "CABGA381";
log_warning("Use of default value for --package is deprecated. Please add '--package %s' to arguments.\n",
chipArgs.package.c_str());
}
if (chipArgs.type == ArchArgs::LFE5UM5G_25F || chipArgs.type == ArchArgs::LFE5UM5G_45F ||
chipArgs.type == ArchArgs::LFE5UM5G_85F) {
if (chipArgs.speed != ArchArgs::SPEED_8)
log_error("Only speed grade 8 is available for 5G parts\n");
else
chipArgs.speed = ArchArgs::SPEED_8_5G;
}
auto ctx = std::unique_ptr<Context>(new Context(chipArgs));
for (auto &val : values)
ctx->settings[ctx->id(val.first)] = val.second;
ctx->settings[ctx->id("arch.package")] = ctx->archArgs().package;
ctx->settings[ctx->id("arch.speed")] = speedString(ctx->archArgs().speed);
if (vm.count("out-of-context"))
ctx->settings[ctx->id("arch.ooc")] = 1;
return ctx;
}
void ECP5CommandHandler::customAfterLoad(Context *ctx)
{
if (vm.count("lpf")) {
std::vector<std::string> files = vm["lpf"].as<std::vector<std::string>>();
for (const auto &filename : files) {
std::ifstream in(filename);
if (!in)
log_error("failed to open LPF file '%s'\n", filename.c_str());
if (!ctx->applyLPF(filename, in))
log_error("failed to parse LPF file '%s'\n", filename.c_str());
}
for (auto cell : sorted(ctx->cells)) {
CellInfo *ci = cell.second;
if (ci->type == ctx->id("$nextpnr_ibuf") || ci->type == ctx->id("$nextpnr_obuf") ||
ci->type == ctx->id("$nextpnr_iobuf")) {
if (!ci->attrs.count(ctx->id("LOC"))) {
if (vm.count("lpf-allow-unconstrained"))
log_warning("IO '%s' is unconstrained in LPF and will be automatically placed\n",
cell.first.c_str(ctx));
else
log_error("IO '%s' is unconstrained in LPF (override this error with "
"--lpf-allow-unconstrained)\n",
cell.first.c_str(ctx));
}
}
}
}
}
int main(int argc, char *argv[])
{
ECP5CommandHandler handler(argc, argv);
return handler.exec();
}
#endif
|
