ecp5: Don't map ROMs to DRAM

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

diff --git a/techlibs/ecp5/dram.txt b/techlibs/ecp5/dram.txt
index b3252fa9a4103b164269c63f7eea5b72ece9c965..b943574290ed90666d76d94f145b1b60e733dad6 100644 (file)
--- a/techlibs/ecp5/dram.txt
+++ b/techlibs/ecp5/dram.txt
@@ -13,4 +13,5 @@ endbram
 
 match $__TRELLIS_DPR16X4
   make_outreg
+  min wports 1
 endmatch