ecp5: Remove obsolete db entries, add Bel z-position

Signed-off-by: David Shah <davey1576@gmail.com>

2 files changed, 2 insertions, 19 deletions

diff --git a/ecp5/arch.h b/ecp5/arch.h
index cce9f09d..9d99da8c 100644
--- a/ecp5/arch.h
+++ b/ecp5/arch.h
@@ -56,6 +56,7 @@ NPNR_PACKED_STRUCT(struct BelWirePOD {
 NPNR_PACKED_STRUCT(struct BelInfoPOD {
     RelPtr<char> name;
     BelType type;
+    int32_t z;
     int32_t num_bel_wires;
     RelPtr<BelWirePOD> bel_wires;
 });
@@ -85,10 +86,6 @@ NPNR_PACKED_STRUCT(struct WireInfoPOD {
     int32_t num_uphill, num_downhill;
     RelPtr<PipLocatorPOD> pips_uphill, pips_downhill;
 
-    int32_t num_bels_downhill;
-    BelPortPOD bel_uphill;
-    RelPtr<BelPortPOD> bels_downhill;
-
     int32_t num_bel_pins;
     RelPtr<BelPortPOD> bel_pins;
 });
diff --git a/ecp5/trellis_import.py b/ecp5/trellis_import.py
index b0cbdd90..b5cd53f1 100755
--- a/ecp5/trellis_import.py
+++ b/ecp5/trellis_import.py
@@ -401,12 +401,6 @@ def write_database(dev_name, ddrg, endianness):
                     for up in wire.arcsUphill:
                         write_loc(up.rel, "rel_loc")
                         bba.u32(up.id, "index")
-                if len(wire.belsDownhill) > 0:
-                    bba.l("loc%d_wire%d_downbels" % (idx, wire_idx), "BelPortPOD")
-                    for db in wire.belsDownhill:
-                        write_loc(db.bel.rel, "rel_bel_loc")
-                        bba.u32(db.bel.id, "bel_index")
-                        bba.u32(portpins[ddrg.to_str(db.pin)], "port")
                 if len(wire.belPins) > 0:
                     bba.l("loc%d_wire%d_belpins" % (idx, wire_idx), "BelPortPOD")
                     for bp in wire.belPins:
@@ -421,15 +415,6 @@ def write_database(dev_name, ddrg, endianness):
                 bba.u32(len(wire.arcsDownhill), "num_downhill")
                 bba.r("loc%d_wire%d_uppips" % (idx, wire_idx) if len(wire.arcsUphill) > 0 else None, "pips_uphill")
                 bba.r("loc%d_wire%d_downpips" % (idx, wire_idx) if len(wire.arcsDownhill) > 0 else None, "pips_downhill")
-                bba.u32(len(wire.belsDownhill), "num_bels_downhill")
-                write_loc(wire.belUphill.bel.rel, "uphill_bel_loc")
-                if wire.belUphill.pin != -1:
-                    bba.u32(wire.belUphill.bel.id, "uphill_bel_idx")
-                    bba.u32(portpins[ddrg.to_str(wire.belUphill.pin)], "uphill_bel_pin")
-                else:
-                    bba.u32(0xFFFFFFFF, "bel_uphill.bel_index")
-                    bba.u32(0, "bel_uphill.port")
-                bba.r("loc%d_wire%d_downbels" % (idx, wire_idx) if len(wire.belsDownhill) > 0 else None, "bels_downhill")
                 bba.u32(len(wire.belPins), "num_bel_pins")
                 bba.r("loc%d_wire%d_belpins" % (idx, wire_idx) if len(wire.belPins) > 0 else None, "bel_pins")
 
@@ -447,6 +432,7 @@ def write_database(dev_name, ddrg, endianness):
                 bel = loctype.bels[bel_idx]
                 bba.s(ddrg.to_str(bel.name), "name")
                 bba.u32(bel_types[ddrg.to_str(bel.type)], "type")
+                bba.u32(bel.z, "z")
                 bba.u32(len(bel.wires), "num_bel_wires")
                 bba.r("loc%d_bel%d_wires" % (idx, bel_idx), "bel_wires")