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| author | David Shah <dave@ds0.me> | 2020-07-12 12:53:16 +0100 |
|---|---|---|
| committer | David Shah <dave@ds0.me> | 2020-07-12 12:53:16 +0100 |
| commit | 6016e54d6c2e658a046dfffb2a9fecf9adfa4f36 (patch) | |
| tree | a0689c03c337654f0d6dd426c5ec48d3562f472e | |
| parent | 3cafb16aa634d2bc369077d8d36760d23973a35b (diff) | |
| download | nextpnr-6016e54d6c2e658a046dfffb2a9fecf9adfa4f36.tar.gz nextpnr-6016e54d6c2e658a046dfffb2a9fecf9adfa4f36.tar.bz2 nextpnr-6016e54d6c2e658a046dfffb2a9fecf9adfa4f36.zip | |
ecp5: Add parsing of SYSCONFIG line in LPF
Signed-off-by: David Shah <dave@ds0.me>
| -rw-r--r-- | ecp5/lpf.cc | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/ecp5/lpf.cc b/ecp5/lpf.cc index e740b737..18c81237 100644 --- a/ecp5/lpf.cc +++ b/ecp5/lpf.cc @@ -23,6 +23,14 @@ NEXTPNR_NAMESPACE_BEGIN +static const std::unordered_set<std::string> sysconfig_keys = { + "SLAVE_SPI_PORT", "MASTER_SPI_PORT", "SLAVE_PARALLEL_PORT", + "BACKGROUND_RECONFIG", "DONE_EX", "DONE_OD", + "DONE_PULL", "MCCLK_FREQ", "TRANSFR", + "CONFIG_IOVOLTAGE", "CONFIG_SECURE", "WAKE_UP", + "COMPRESS_CONFIG", "CONFIG_MODE", "INBUF", +}; + bool Arch::applyLPF(std::string filename, std::istream &in) { auto isempty = [](const std::string &str) { @@ -66,10 +74,21 @@ bool Arch::applyLPF(std::string filename, std::istream &in) words.push_back(tmp); if (words.size() >= 0) { std::string verb = words.at(0); - if (verb == "BLOCK" || verb == "SYSCONFIG") { + if (verb == "BLOCK") { if (words.size() != 2 || (words.at(1) != "ASYNCPATHS" && words.at(1) != "RESETPATHS")) log_warning(" ignoring unsupported LPF command '%s' (on line %d)\n", command.c_str(), lineno); + } else if (verb == "SYSCONFIG") { + for (size_t i = 1; i < words.size(); i++) { + std::string setting = words.at(i); + size_t eqpos = setting.find('='); + if (eqpos == std::string::npos) + log_error("expected syntax 'SYSCONFIG <attr>=<value>...' (on line %d)\n", lineno); + std::string key = setting.substr(0, eqpos), value = setting.substr(eqpos + 1); + if (!sysconfig_keys.count(key)) + log_error("unexpected SYSCONFIG key '%s' (on line %d)\n", key.c_str(), lineno); + settings[id("arch.sysconfig." + key)] = value; + } } else if (verb == "FREQUENCY") { if (words.size() < 2) log_error("expected object type after FREQUENCY (on line %d)\n", lineno); |