gowin: Himbaechel. Handle SDP OCE

yrabbit · gatecat · commit cc273c125775 · 2024-02-09T08:04:08.000+01:00
Semi-dual port BSRAM (in Gowin terminology) has the same feature as
Single Port - the CE and OCE signals must be synchronized.

Such a sin has not yet been noticed for Dual Port.

Signed-off-by: YRabbit &lt;rabbit@yrabbit.cyou&gt;
diff --git a/himbaechel/uarch/gowin/pack.cc b/himbaechel/uarch/gowin/pack.cc
@@ -1395,6 +1395,7 @@ struct GowinPacker
             ci->renamePort(ctx->idf("BLKSELB[%d]", i), ctx->idf("BLKSELB%d", i));
         }
 
+        bsram_handle_sp_oce(ci, id_CEB, id_OCE);
         ci->copyPortTo(id_OCE, ci, id_OCEB);
 
         // Port A

Original file line number	Diff line number	Diff line change
`@@ -1395,6 +1395,7 @@ struct GowinPacker`
`1395`	`1395`	`ci->renamePort(ctx->idf("BLKSELB[%d]", i), ctx->idf("BLKSELB%d", i));`
`1396`	`1396`	`}`
`1397`	`1397`
	`1398`	`+ bsram_handle_sp_oce(ci, id_CEB, id_OCE);`
`1398`	`1399`	`ci->copyPortTo(id_OCE, ci, id_OCEB);`
`1399`	`1400`
`1400`	`1401`	`// Port A`