1 files changed, 5 insertions, 1 deletions
diff --git a/ecp5/arch.h b/ecp5/arch.h
index 713c320e..6a2f2bf5 100644
--- a/ecp5/arch.h
+++ b/ecp5/arch.h
@@ -103,7 +103,7 @@ NPNR_PACKED_STRUCT(struct PIOInfoPOD {
     int32_t bel_index;
     RelPtr<char> function_name;
     int16_t bank;
-    int16_t padding;
+    int16_t dqsgroup;
 });
 
 NPNR_PACKED_STRUCT(struct PackagePinPOD {
@@ -1006,6 +1006,10 @@ struct Arch : BaseCtx
 
     GlobalInfoPOD globalInfoAtLoc(Location loc);
 
+    bool getPIODQSGroup(BelId pio, bool &dqsright, int &dqsrow);
+    BelId getDQSBUF(bool dqsright, int dqsrow);
+    WireId getBankECLK(int bank, int eclk);
+
     // Apply LPF constraints to the context
     bool applyLPF(std::string filename, std::istream &in);