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/*
* nextpnr -- Next Generation Place and Route
*
* Copyright (C) 2018 Claire Xenia Wolf <claire@yosyshq.com>
* Copyright (C) 2020 Pepijn de Vos <pepijn@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 <locale>
#include <regex>
#include "command.h"
#include "design_utils.h"
#include "log.h"
#include "timing.h"
USING_NEXTPNR_NAMESPACE
class GowinCommandHandler : public CommandHandler
{
public:
GowinCommandHandler(int argc, char **argv);
virtual ~GowinCommandHandler(){};
std::unique_ptr<Context> createContext(dict<std::string, Property> &values) override;
void setupArchContext(Context *ctx) override{};
void customAfterLoad(Context *ctx) override;
protected:
po::options_description getArchOptions() override;
};
GowinCommandHandler::GowinCommandHandler(int argc, char **argv) : CommandHandler(argc, argv) {}
po::options_description GowinCommandHandler::getArchOptions()
{
po::options_description specific("Architecture specific options");
specific.add_options()("device", po::value<std::string>(), "device name");
specific.add_options()("family", po::value<std::string>(), "family name");
specific.add_options()("cst", po::value<std::string>(), "physical constraints file");
specific.add_options()("enable-globals", "separate routing of the clocks");
specific.add_options()("enable-auto-longwires", "automatic detection and routing of long wires");
return specific;
}
std::unique_ptr<Context> GowinCommandHandler::createContext(dict<std::string, Property> &values)
{
if (!vm.count("device")) {
log_error("The device must be specified\n");
}
std::regex devicere = std::regex("GW1N([SZ]?)[A-Z]*-(LV|UV|UX)([0-9])(C?).*");
std::smatch match;
std::string device = vm["device"].as<std::string>();
if (!std::regex_match(device, match, devicere)) {
log_error("Invalid device %s\n", device.c_str());
}
ArchArgs chipArgs;
chipArgs.gui = vm.count("gui") != 0;
if (vm.count("family")) {
chipArgs.family = vm["family"].as<std::string>();
} else {
char buf[36];
// GW1N and GW1NR variants share the same database.
// Most Gowin devices are a System in Package with some SDRAM wirebonded to a GPIO bank.
// However, it appears that the S series with embedded ARM core are unique silicon.
snprintf(buf, 36, "GW1N%s-%s", match[1].str().c_str(), match[3].str().c_str());
chipArgs.family = buf;
}
chipArgs.partnumber = match[0];
auto ctx = std::unique_ptr<Context>(new Context(chipArgs));
// routing options
// the default values will change in the future
ctx->settings[ctx->id("arch.enable-globals")] = 0;
ctx->settings[ctx->id("arch.enable-auto-longwires")] = 0;
if (vm.count("enable-globals")) {
ctx->settings[ctx->id("arch.enable-globals")] = 1;
}
if (vm.count("enable-auto-longwires")) {
ctx->settings[ctx->id("arch.enable-auto-longwires")] = 1;
}
return ctx;
}
void GowinCommandHandler::customAfterLoad(Context *ctx)
{
if (vm.count("cst")) {
std::string filename = vm["cst"].as<std::string>();
std::ifstream in(filename);
if (!in)
log_error("Failed to open input CST file %s.\n", filename.c_str());
ctx->read_cst(in);
}
}
int main(int argc, char *argv[])
{
GowinCommandHandler handler(argc, argv);
return handler.exec();
}
#endif
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