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ecp5: Add a warning for unknown LPF IOBUF attrs

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Signed-off-by: David Shah <dave@ds0.me>
This commit is contained in:
David Shah 2020-07-13 17:30:24 +01:00
parent 5f241f6baa
commit 467d26d9e6
1 changed files with 8 additions and 0 deletions
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8
ecp5/lpf.cc
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@ -31,6 +31,11 @@ static const std::unordered_set<std::string> sysconfig_keys = {
"COMPRESS_CONFIG", "CONFIG_MODE", "INBUF",
};
static const std::unordered_set<std::string> iobuf_keys = {
"IO_TYPE", "BANK", "BANK_VCC", "VREF", "PULLMODE", "DRIVE", "SLEWRATE",
"CLAMP", "OPENDRAIN", "DIFFRESISTOR", "DIFFDRIVE", "HYSTERESIS", "TERMINATION",
};
bool Arch::applyLPF(std::string filename, std::istream &in)
{
auto isempty = [](const std::string &str) {
@ -145,6 +150,9 @@ bool Arch::applyLPF(std::string filename, std::istream &in)
"expected syntax 'IOBUF PORT <port name> <attr>=<value>...' (on line %d)\n",
lineno);
std::string key = setting.substr(0, eqpos), value = setting.substr(eqpos + 1);
if (!iobuf_keys.count(key))
log_warning("IOBUF '%s' attribute '%s' is not recognised (on line %d)\n",
cell.c_str(), key.c_str(), lineno);
fnd_cell->second->attrs[id(key)] = value;
}
}