diff options
Diffstat (limited to 'ecp5/bitstream.cc')
| -rw-r--r-- | ecp5/bitstream.cc | 37 |
1 files changed, 22 insertions, 15 deletions
diff --git a/ecp5/bitstream.cc b/ecp5/bitstream.cc index f010d7dd..d2a90b86 100644 --- a/ecp5/bitstream.cc +++ b/ecp5/bitstream.cc @@ -927,21 +927,25 @@ void write_bitstream(Context *ctx, std::string base_config_file, std::string tex tg.tiles = get_bram_tiles(ctx, ci->bel); std::string ebr = "EBR" + std::to_string(loc.z); - tg.config.add_enum(ebr + ".MODE", "DP16KD"); + if (ci->ramInfo.is_pdp) { + tg.config.add_enum(ebr + ".MODE", "PDPW16KD"); + tg.config.add_enum(ebr + ".PDPW16KD.DATA_WIDTH_R", + intstr_or_default(ci->params, ctx->id("DATA_WIDTH_B"), "36")); + } else { + tg.config.add_enum(ebr + ".MODE", "DP16KD"); + tg.config.add_enum(ebr + ".DP16KD.DATA_WIDTH_A", + intstr_or_default(ci->params, ctx->id("DATA_WIDTH_A"), "18")); + tg.config.add_enum(ebr + ".DP16KD.DATA_WIDTH_B", + intstr_or_default(ci->params, ctx->id("DATA_WIDTH_B"), "18")); + tg.config.add_enum(ebr + ".DP16KD.WRITEMODE_A", + str_or_default(ci->params, ctx->id("WRITEMODE_A"), "NORMAL")); + tg.config.add_enum(ebr + ".DP16KD.WRITEMODE_B", + str_or_default(ci->params, ctx->id("WRITEMODE_B"), "NORMAL")); + } auto csd_a = str_to_bitvector(str_or_default(ci->params, ctx->id("CSDECODE_A"), "0b000"), 3), csd_b = str_to_bitvector(str_or_default(ci->params, ctx->id("CSDECODE_B"), "0b000"), 3); - tg.config.add_enum(ebr + ".DP16KD.DATA_WIDTH_A", - intstr_or_default(ci->params, ctx->id("DATA_WIDTH_A"), "18")); - tg.config.add_enum(ebr + ".DP16KD.DATA_WIDTH_B", - intstr_or_default(ci->params, ctx->id("DATA_WIDTH_B"), "18")); - - tg.config.add_enum(ebr + ".DP16KD.WRITEMODE_A", - str_or_default(ci->params, ctx->id("WRITEMODE_A"), "NORMAL")); - tg.config.add_enum(ebr + ".DP16KD.WRITEMODE_B", - str_or_default(ci->params, ctx->id("WRITEMODE_B"), "NORMAL")); - tg.config.add_enum(ebr + ".REGMODE_A", str_or_default(ci->params, ctx->id("REGMODE_A"), "NOREG")); tg.config.add_enum(ebr + ".REGMODE_B", str_or_default(ci->params, ctx->id("REGMODE_B"), "NOREG")); @@ -955,6 +959,8 @@ void write_bitstream(Context *ctx, std::string base_config_file, std::string tex // Tie signals as appropriate for (auto port : ci->ports) { + if (ci->ramInfo.is_pdp && (port.first == id_WEA || port.first == id_WEB || port.first == id_ADA4)) + continue; if (port.second.net == nullptr && port.second.type == PORT_IN) { if (port.first == id_CLKA || port.first == id_CLKB || port.first == id_WEA || port.first == id_WEB || port.first == id_RSTA || port.first == id_RSTB) { @@ -987,7 +993,7 @@ void write_bitstream(Context *ctx, std::string base_config_file, std::string tex } // Invert CSDECODE bits to emulate inversion muxes on CSA/CSB signals - for (auto port : {std::make_pair("CSA", std::ref(csd_a)), std::make_pair("CSB", std::ref(csd_b))}) { + for (auto &port : {std::make_pair("CSA", std::ref(csd_a)), std::make_pair("CSB", std::ref(csd_b))}) { for (int bit = 0; bit < 3; bit++) { std::string sig = port.first + std::to_string(bit); if (str_or_default(ci->params, ctx->id(sig + "MUX"), sig) == "INV") @@ -1000,9 +1006,10 @@ void write_bitstream(Context *ctx, std::string base_config_file, std::string tex tg.config.add_enum(ebr + ".RSTAMUX", str_or_default(ci->params, ctx->id("RSTAMUX"), "RSTA")); tg.config.add_enum(ebr + ".RSTBMUX", str_or_default(ci->params, ctx->id("RSTBMUX"), "RSTB")); - tg.config.add_enum(ebr + ".WEAMUX", str_or_default(ci->params, ctx->id("WEAMUX"), "WEA")); - tg.config.add_enum(ebr + ".WEBMUX", str_or_default(ci->params, ctx->id("WEBMUX"), "WEB")); - + if (!ci->ramInfo.is_pdp) { + tg.config.add_enum(ebr + ".WEAMUX", str_or_default(ci->params, ctx->id("WEAMUX"), "WEA")); + tg.config.add_enum(ebr + ".WEBMUX", str_or_default(ci->params, ctx->id("WEBMUX"), "WEB")); + } tg.config.add_enum(ebr + ".CEAMUX", str_or_default(ci->params, ctx->id("CEAMUX"), "CEA")); tg.config.add_enum(ebr + ".CEBMUX", str_or_default(ci->params, ctx->id("CEBMUX"), "CEB")); tg.config.add_enum(ebr + ".OCEAMUX", str_or_default(ci->params, ctx->id("OCEAMUX"), "OCEA")); |