213 lines
10 KiB
C++
213 lines
10 KiB
C++
/*
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* nextpnr -- Next Generation Place and Route
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*
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* Copyright (C) 2024 Miodrag Milanovic <micko@yosyshq.com>
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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*/
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#include <algorithm>
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#include <boost/algorithm/string.hpp>
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#include <fstream>
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#include <regex>
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#include "extra_data.h"
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#include "himbaechel_api.h"
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#include "log.h"
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#include "nextpnr.h"
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#include "util.h"
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#include "ng_ultra.h"
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#define HIMBAECHEL_CONSTIDS "uarch/ng-ultra/constids.inc"
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#include "himbaechel_constids.h"
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NEXTPNR_NAMESPACE_BEGIN
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void NgUltraImpl::parse_csv(const std::string &filename)
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{
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std::ifstream in(filename);
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if (!in)
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log_error("failed to open CSV file '%s'\n", filename.c_str());
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log_info("Parsing CSV file..\n");
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std::string line;
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std::string linebuf;
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int lineno = 0;
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enum uint8_t
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{
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IO_PADS = 0,
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IO_BANKS,
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IO_GCKS,
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IO_ERROR
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} line_type;
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auto isempty = [](const std::string &str) {
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return std::all_of(str.begin(), str.end(), [](char c) { return std::isspace(c); });
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};
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auto is_number = [](const std::string &str) {
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return !str.empty() && std::all_of(str.begin(), str.end(), ::isdigit);
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};
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auto get_cells = [&](std::string str) {
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std::vector<CellInfo *> tgt_cells;
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IdString cellname = ctx->id(str);
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if (ctx->cells.count(cellname))
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tgt_cells.push_back(ctx->cells.at(cellname).get());
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return tgt_cells;
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};
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line_type = IO_PADS;
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pool<std::string> banks_used;
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while (std::getline(in, line)) {
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++lineno;
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// Trim comments, from # until end of the line
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size_t cstart = line.find('#');
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if (cstart != std::string::npos)
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line = line.substr(0, cstart);
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if (isempty(line))
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continue;
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std::vector<std::string> arguments;
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boost::split(arguments, line, boost::is_any_of(","));
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if (arguments.empty())
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continue;
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switch(line_type) {
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case IO_PADS:
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{
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if (arguments.size()==1 && arguments[0][0]=='!') {
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line_type = IO_BANKS;
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continue;
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}
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if (arguments.size()!=15)
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log_error("number of parameters in line %d must be 15\n", lineno);
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if (!(boost::starts_with(arguments.at(1), "IOB") && boost::contains(arguments.at(1),"_D")))
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log_error("invalid location name '%s' must start with 'IOB' in line %d\n", arguments.at(1).c_str(), lineno);
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const char* standard_values[] = { "LVDS", "LVCMOS", "SSTL", "HSTL" };
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auto it = std::find(std::begin(standard_values),std::end(standard_values), arguments.at(2));
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if (it == std::end(standard_values))
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log_error("unknown standard value '%s' in line %d\n", arguments.at(2).c_str(), lineno);
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const char* drive_values[] = { "2mA", "4mA", "8mA", "16mA", "I", "II" };
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it = std::find(std::begin(drive_values),std::end(drive_values), arguments.at(3));
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if (it == std::end(drive_values))
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log_error("unknown drive value '%s' in line %d\n", arguments.at(3).c_str(), lineno);
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const char* weak_values[] = { "None", "PullDown", "PullUp", "Keeper" };
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it = std::find(std::begin(weak_values),std::end(weak_values), arguments.at(4));
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if (it == std::end(weak_values))
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log_error("unknown weak termination value '%s' in line %d\n", arguments.at(4).c_str(), lineno);
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const char* slew_values[] = { "Slow", "Medium", "Fast" };
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it = std::find(std::begin(slew_values),std::end(slew_values), arguments.at(5));
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if (it == std::end(slew_values))
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log_error("unknown weak termination value '%s' in line %d\n", arguments.at(5).c_str(), lineno);
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if (!arguments.at(6).empty() && !is_number(arguments.at(6)))
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log_error("termination must be string containing int, value '%s' in line %d\n", arguments.at(6).c_str(), lineno);
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if (!arguments.at(7).empty() && !is_number(arguments.at(7)))
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log_error("input delay must be number, value '%s' in line %d\n", arguments.at(7).c_str(), lineno);
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if (!arguments.at(8).empty() && !is_number(arguments.at(8)))
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log_error("output delay must be number, value '%s' in line %d\n", arguments.at(8).c_str(), lineno);
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if (!arguments.at(9).empty() && arguments.at(9) != "True" && arguments.at(9) != "False")
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log_error("differential must be boolean, value '%s' in line %d\n", arguments.at(9).c_str(), lineno);
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const char* termref_values[] = { "Floating", "VT" };
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it = std::find(std::begin(termref_values),std::end(termref_values), arguments.at(10));
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if (it == std::end(termref_values))
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log_error("unknown termination reference value '%s' in line %d\n", arguments.at(10).c_str(), lineno);
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if (!arguments.at(11).empty() && arguments.at(11) != "True" && arguments.at(11) != "False")
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log_error("turbo must be boolean, value '%s' in line %d\n", arguments.at(11).c_str(), lineno);
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if (!arguments.at(12).empty() && !is_number(arguments.at(12)))
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log_error("signal slope must be number, value '%s' in line %d\n", arguments.at(12).c_str(), lineno);
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if (!arguments.at(13).empty() && !is_number(arguments.at(13)))
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log_error("output capacity must be number, value '%s' in line %d\n", arguments.at(13).c_str(), lineno);
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const char* registered_values[] = { "Auto", "I", "IC", "O", "OC", "IO", "IOC" };
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it = std::find(std::begin(registered_values),std::end(registered_values), arguments.at(14));
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if (it == std::end(registered_values))
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log_error("unknown registered value '%s' in line %d\n", arguments.at(14).c_str(), lineno);
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std::vector<CellInfo *> dest = get_cells(arguments.at(0));
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for (auto c : dest) {
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c->params[ctx->id("location")] = arguments.at(1);
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c->params[ctx->id("iobname")] = arguments.at(0);
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c->params[ctx->id("standard")] = arguments.at(2);
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c->params[ctx->id("drive")] = arguments.at(3);
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c->params[ctx->id("weakTermination")] = arguments.at(4);
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c->params[ctx->id("slewRate")] = arguments.at(5);
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c->params[ctx->id("termination")] = arguments.at(6);
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c->params[ctx->id("inputDelayLine")] = arguments.at(7);
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c->params[ctx->id("outputDelayLine")] = arguments.at(8);
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c->params[ctx->id("differential")] = arguments.at(9);
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c->params[ctx->id("terminationReference")] = arguments.at(10);
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c->params[ctx->id("turbo")] = arguments.at(11);
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c->params[ctx->id("inputSignalSlope")] = arguments.at(12);
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c->params[ctx->id("outputCapacity")] = arguments.at(13);
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//c->params[ctx->id("IO_PATH")] = arguments.at(14);
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}
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if (dest.size()==0)
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log_warning("Pad with name '%s' not found in netlist.\n", arguments.at(0).c_str());
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std::string bank_name = arguments.at(1).substr(0,arguments.at(1).find_first_of('_'));
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banks_used.emplace(bank_name);
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}
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break;
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case IO_BANKS:
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{
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if (arguments.size()==1 && arguments[0][0]=='!') {
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line_type = IO_GCKS;
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continue;
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}
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if (arguments.size()!=3)
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log_error("number of parameters in line %d must be 3\n", lineno);
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if (!boost::starts_with(arguments.at(0), "IOB"))
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log_error("wrong bank name '%s' in line %d\n", arguments.at(0).c_str(), lineno);
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const char* voltages[] = { "1.5V", "1.8V", "2.5V", "3.3V" };
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auto it = std::find(std::begin(voltages),std::end(voltages), arguments.at(1));
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if (it == std::end(voltages))
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log_error("unknown voltage level '%s' in line %d\n", arguments.at(1).c_str(), lineno);
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bank_voltage[arguments.at(0)] = arguments.at(1);
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}
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break;
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case IO_GCKS:
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{
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if (arguments.size()==1 && arguments[0][0]=='!') {
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line_type = IO_ERROR;
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continue;
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}
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if (arguments.size()!=2)
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log_error("number of parameters in line %d must be 2\n", lineno);
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}
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break;
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default:
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log_error("switching to unknown block of data in line %d\n", lineno);
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}
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}
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for(auto& bank_name : banks_used) {
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if (bank_voltage.count(bank_name) == 0) {
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log_error("IO for bank '%s' defined, but no bank configuration.\n", bank_name.c_str());
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}
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}
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}
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NEXTPNR_NAMESPACE_END
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