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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 <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()("cst", po::value<std::string>(), "physical constraints file");
return specific;
}
std::unique_ptr<Context> GowinCommandHandler::createContext(dict<std::string, Property> &values)
{
std::regex devicere = std::regex("GW1N([A-Z]*)-(LV|UV|UX)([0-9])(C?)([A-Z]{2}[0-9]+)(C[0-9]/I[0-9])");
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;
char buf[36];
snprintf(buf, 36, "GW1N%s-%s%s", match[1].str().c_str(), match[3].str().c_str(), match[4].str().c_str());
chipArgs.device = buf;
// 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.
if(match[1].str() == "S") {
snprintf(buf, 36, "GW1NS-%s", match[3].str().c_str());
} else {
snprintf(buf, 36, "GW1N-%s", match[3].str().c_str());
}
chipArgs.family = buf;
chipArgs.package = match[5];
chipArgs.speed = match[6];
return std::unique_ptr<Context>(new Context(chipArgs));
}
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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