diff options
Diffstat (limited to 'nexus/fasm.cc')
| -rw-r--r-- | nexus/fasm.cc | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/nexus/fasm.cc b/nexus/fasm.cc index 5da809c6..fcbe0b8c 100644 --- a/nexus/fasm.cc +++ b/nexus/fasm.cc @@ -542,6 +542,60 @@ struct NexusFasmWriter write_cell_muxes(cell); pop(); } + + // Which PLL params are 'word' values + /* clang-format off */ + const std::unordered_map<std::string, int> pll_word_params = { + {"DIVA", 7}, {"DELA", 7}, {"PHIA", 3}, {"DIVB", 7}, + {"DELB", 7}, {"PHIB", 3}, {"DIVC", 7}, {"DELC", 7}, + {"PHIC", 3}, {"DIVD", 7}, {"DELD", 7}, {"PHID", 3}, + {"DIVE", 7}, {"DELE", 7}, {"PHIE", 3}, {"DIVF", 7}, + {"DELF", 7}, {"PHIF", 3}, {"BW_CTL_BIAS", 4}, + {"CLKOP_TRIM", 4}, {"CLKOS_TRIM", 4}, {"CLKOS2_TRIM", 4}, + {"CLKOS3_TRIM", 4}, {"CLKOS4_TRIM", 4}, {"CLKOS5_TRIM", 4}, + {"DIV_DEL", 7}, {"DYN_SEL", 3}, {"FBK_CUR_BLE", 8}, {"FBK_IF_TIMING_CTL", 2}, + {"FBK_MASK", 8}, {"FBK_MMD_DIG", 8}, {"FBK_MMD_PULS_CTL", 4}, + {"FBK_MODE", 2}, {"FBK_PI_RC", 4}, {"FBK_PR_CC", 4}, + {"FBK_PR_IC", 4}, {"FBK_RSV", 16}, + {"IPI_CMP", 4}, {"IPI_CMPN", 4}, + {"IPP_CTRL", 4}, {"IPP_SEL", 4}, + {"KP_VCO", 5}, + {"MFG_CTRL", 4}, {"MFGOUT1_SEL", 3}, {"MFGOUT2_SEL", 3}, + {"REF_MASK", 8}, {"REF_MMD_DIG", 8}, {"REF_MMD_IN", 8}, + {"REF_MMD_PULS_CTL", 4}, {"REF_TIMING_CTL", 2}, + {"RESERVED", 7}, {"SSC_DELTA", 15}, + {"SSC_DELTA_CTL", 2}, {"SSC_F_CODE", 15}, + {"SSC_N_CODE", 9}, {"SSC_REG_WEIGHTING_SEL", 3}, + {"SSC_STEP_IN", 7}, {"SSC_TBASE", 12}, + {"V2I_PP_ICTRL", 5}, + }; + /* clang-format on */ + + // Write out config for some kind of PLL cell + void write_pll(const CellInfo *cell) + { + BelId bel = cell->bel; + push_bel(bel); + write_bit("MODE.PLL_CORE"); + write_enum(cell, "CLKMUX_FB"); + write_cell_muxes(cell); + pop(); + push(stringf("IP_%s", ctx->nameOf(ctx->bel_data(bel).name))); + for (auto param : sorted_cref(cell->params)) { + const std::string &name = param.first.str(ctx); + if (is_mux_param(name) || name == "CLKMUX_FB" || name == "SEL_FBK") + continue; + auto fnd_word = pll_word_params.find(name); + if (fnd_word != pll_word_params.end()) { + write_int_vector(stringf("%s[%d:0]", name.c_str(), fnd_word->second - 1), + ctx->parse_lattice_param(cell, param.first, fnd_word->second, 0).as_int64(), + fnd_word->second); + } else { + write_bit(stringf("%s.%s", name.c_str(), param.second.as_string().c_str())); + } + } + pop(); + } // Write out FASM for unused bels where needed void write_unused() { @@ -654,6 +708,8 @@ struct NexusFasmWriter ci->type == id_MULT18X36_CORE || ci->type == id_MULT36_CORE || ci->type == id_REG18_CORE || ci->type == id_ACC54_CORE) write_dsp(ci); + else if (ci->type == id_PLL_CORE) + write_pll(ci); blank(); } // Write config for unused bels |