diff options
Diffstat (limited to 'ecp5')
| -rw-r--r-- | ecp5/bitstream.cc | 7 | ||||
| -rw-r--r-- | ecp5/family.cmake | 4 |
2 files changed, 8 insertions, 3 deletions
diff --git a/ecp5/bitstream.cc b/ecp5/bitstream.cc index bc8a6c55..1bdb4188 100644 --- a/ecp5/bitstream.cc +++ b/ecp5/bitstream.cc @@ -650,7 +650,7 @@ void write_bitstream(Context *ctx, std::string base_config_file, std::string tex } // Find bank voltages std::unordered_map<int, IOVoltage> bankVcc; - std::unordered_map<int, bool> bankLvds, bankVref; + std::unordered_map<int, bool> bankLvds, bankVref, bankDiff; for (auto &cell : ctx->cells) { CellInfo *ci = cell.second.get(); @@ -675,6 +675,8 @@ void write_bitstream(Context *ctx, std::string base_config_file, std::string tex if (iotype == "LVDS") bankLvds[bank] = true; + if ((dir == "INPUT" || dir == "BIDIR") && is_differential(ioType_from_str(iotype))) + bankDiff[bank] = true; if ((dir == "INPUT" || dir == "BIDIR") && is_referenced(ioType_from_str(iotype))) bankVref[bank] = true; } @@ -698,6 +700,9 @@ void write_bitstream(Context *ctx, std::string base_config_file, std::string tex cc.tiles[tile.first].add_enum("BANK.DIFF_REF", "ON"); cc.tiles[tile.first].add_enum("BANK.LVDSO", "ON"); } + if (bankDiff[bank]) { + cc.tiles[tile.first].add_enum("BANK.DIFF_REF", "ON"); + } if (bankVref[bank]) { cc.tiles[tile.first].add_enum("BANK.DIFF_REF", "ON"); cc.tiles[tile.first].add_enum("BANK.VREF", "ON"); diff --git a/ecp5/family.cmake b/ecp5/family.cmake index 8756aa36..14112964 100644 --- a/ecp5/family.cmake +++ b/ecp5/family.cmake @@ -2,8 +2,8 @@ if (NOT EXTERNAL_CHIPDB) set(devices 25k 45k 85k) if (NOT DEFINED TRELLIS_INSTALL_PREFIX) - message(STATUS "TRELLIS_INSTALL_PREFIX not defined using -DTRELLIS_INSTALL_PREFIX=/path-prefix/to/prjtrellis-installation. Default to /usr/local or reset by -DCMAKE_INSTALL_PREFIX when building prjtrellis/libtrellis") - set(TRELLIS_INSTALL_PREFIX "/usr/local") + message(STATUS "TRELLIS_INSTALL_PREFIX not defined using -DTRELLIS_INSTALL_PREFIX=/path-prefix/to/prjtrellis-installation. Defaulted to ${CMAKE_INSTALL_PREFIX}") + set(TRELLIS_INSTALL_PREFIX ${CMAKE_INSTALL_PREFIX}) endif() if (NOT DEFINED PYTRELLIS_LIBDIR) |