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/*
* 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";
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
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