machxo2: Create basic cells for packing.

1 files changed, 104 insertions, 0 deletions

diff --git a/machxo2/cells.cc b/machxo2/cells.cc
index 522295b0..aed96e3d 100644
--- a/machxo2/cells.cc
+++ b/machxo2/cells.cc
@@ -26,13 +26,117 @@ NEXTPNR_NAMESPACE_BEGIN
 
 void add_port(const Context *ctx, CellInfo *cell, std::string name, PortType dir)
 {
+    IdString id = ctx->id(name);
+    NPNR_ASSERT(cell->ports.count(id) == 0);
+    cell->ports[id] = PortInfo{id, nullptr, dir};
+}
 
+void add_port(const Context *ctx, CellInfo *cell, IdString id, PortType dir)
+{
+    NPNR_ASSERT(cell->ports.count(id) == 0);
+    cell->ports[id] = PortInfo{id, nullptr, dir};
 }
 
 std::unique_ptr<CellInfo> create_machxo2_cell(Context *ctx, IdString type, std::string name)
 {
     static int auto_idx = 0;
     std::unique_ptr<CellInfo> new_cell = std::unique_ptr<CellInfo>(new CellInfo());
+    if (name.empty()) {
+        new_cell->name = ctx->id("$nextpnr_" + type.str(ctx) + "_" + std::to_string(auto_idx++));
+    } else {
+        new_cell->name = ctx->id(name);
+    }
+
+    if (type == id_FACADE_SLICE) {
+        new_cell->params[id_MODE] = std::string("LOGIC");
+        new_cell->params[id_GSR] = std::string("ENABLED");
+        new_cell->params[id_SRMODE] = std::string("LSR_OVER_CE");
+        new_cell->params[id_CEMUX] = std::string("1");
+        new_cell->params[id_CLKMUX] = std::string("0");
+        new_cell->params[id_LSRMUX] = std::string("LSR");
+        new_cell->params[id_LSRONMUX] = std::string("LSRMUX");
+        new_cell->params[id_LUT0_INITVAL] = Property(16, 0xFFFF);
+        new_cell->params[id_LUT1_INITVAL] = Property(16, 0xFFFF);
+        new_cell->params[id_REG0_SD] = std::string("1");
+        new_cell->params[id_REG1_SD] = std::string("1");
+        new_cell->params[id_REG0_REGSET] = std::string("SET");
+        new_cell->params[id_REG1_REGSET] = std::string("SET");
+        new_cell->params[id_REG0_REGMODE] = std::string("FF");
+        new_cell->params[id_REG1_REGMODE] = std::string("FF");
+        new_cell->params[id_CCU2_INJECT1_0] = std::string("YES");
+        new_cell->params[id_CCU2_INJECT1_1] = std::string("YES");
+        new_cell->params[id_WREMUX] = std::string("INV");
+
+        add_port(ctx, new_cell.get(), id_A0, PORT_IN);
+        add_port(ctx, new_cell.get(), id_B0, PORT_IN);
+        add_port(ctx, new_cell.get(), id_C0, PORT_IN);
+        add_port(ctx, new_cell.get(), id_D0, PORT_IN);
+
+        add_port(ctx, new_cell.get(), id_A1, PORT_IN);
+        add_port(ctx, new_cell.get(), id_B1, PORT_IN);
+        add_port(ctx, new_cell.get(), id_C1, PORT_IN);
+        add_port(ctx, new_cell.get(), id_D1, PORT_IN);
+
+        add_port(ctx, new_cell.get(), id_M0, PORT_IN);
+        add_port(ctx, new_cell.get(), id_M1, PORT_IN);
+
+        add_port(ctx, new_cell.get(), id_FCI, PORT_IN);
+        add_port(ctx, new_cell.get(), id_FXA, PORT_IN);
+        add_port(ctx, new_cell.get(), id_FXB, PORT_IN);
+
+        add_port(ctx, new_cell.get(), id_CLK, PORT_IN);
+        add_port(ctx, new_cell.get(), id_LSR, PORT_IN);
+        add_port(ctx, new_cell.get(), id_CE, PORT_IN);
+
+        add_port(ctx, new_cell.get(), id_DI0, PORT_IN);
+        add_port(ctx, new_cell.get(), id_DI1, PORT_IN);
+
+        add_port(ctx, new_cell.get(), id_WD0, PORT_IN);
+        add_port(ctx, new_cell.get(), id_WD1, PORT_IN);
+        add_port(ctx, new_cell.get(), id_WAD0, PORT_IN);
+        add_port(ctx, new_cell.get(), id_WAD1, PORT_IN);
+        add_port(ctx, new_cell.get(), id_WAD2, PORT_IN);
+        add_port(ctx, new_cell.get(), id_WAD3, PORT_IN);
+        add_port(ctx, new_cell.get(), id_WRE, PORT_IN);
+        add_port(ctx, new_cell.get(), id_WCK, PORT_IN);
+
+        add_port(ctx, new_cell.get(), id_F0, PORT_OUT);
+        add_port(ctx, new_cell.get(), id_Q0, PORT_OUT);
+        add_port(ctx, new_cell.get(), id_F1, PORT_OUT);
+        add_port(ctx, new_cell.get(), id_Q1, PORT_OUT);
+
+        add_port(ctx, new_cell.get(), id_FCO, PORT_OUT);
+        add_port(ctx, new_cell.get(), id_OFX0, PORT_OUT);
+        add_port(ctx, new_cell.get(), id_OFX1, PORT_OUT);
+
+        add_port(ctx, new_cell.get(), id_WDO0, PORT_OUT);
+        add_port(ctx, new_cell.get(), id_WDO1, PORT_OUT);
+        add_port(ctx, new_cell.get(), id_WDO2, PORT_OUT);
+        add_port(ctx, new_cell.get(), id_WDO3, PORT_OUT);
+        add_port(ctx, new_cell.get(), id_WADO0, PORT_OUT);
+        add_port(ctx, new_cell.get(), id_WADO1, PORT_OUT);
+        add_port(ctx, new_cell.get(), id_WADO2, PORT_OUT);
+        add_port(ctx, new_cell.get(), id_WADO3, PORT_OUT);
+    } else if (type == id_FACADE_IO) {
+        new_cell->params[id_DIR] = std::string("INPUT");
+        new_cell->attrs[ctx->id("IO_TYPE")] = std::string("LVCMOS33");
+
+        add_port(ctx, new_cell.get(), "PAD", PORT_INOUT);
+        add_port(ctx, new_cell.get(), "I", PORT_IN);
+        add_port(ctx, new_cell.get(), "EN", PORT_IN);
+        add_port(ctx, new_cell.get(), "O", PORT_OUT);
+    } else if (type == id_LUT4) {
+        new_cell->params[id_INIT] = Property(0, 16);
+
+        add_port(ctx, new_cell.get(), id_A, PORT_IN);
+        add_port(ctx, new_cell.get(), id_B, PORT_IN);
+        add_port(ctx, new_cell.get(), id_C, PORT_IN);
+        add_port(ctx, new_cell.get(), id_D, PORT_IN);
+        add_port(ctx, new_cell.get(), id_Z, PORT_OUT);
+    } else {
+        log_error("unable to create MachXO2 cell of type %s", type.c_str(ctx));
+    }
+
     return new_cell;
 }