machxo2: Use `memory_libmap` pass.

1 files changed, 50 insertions, 0 deletions

diff --git a/techlibs/machxo2/brams.txt b/techlibs/machxo2/brams.txt
new file mode 100644
index 000000000..3afbeda07
--- /dev/null
+++ b/techlibs/machxo2/brams.txt
@@ -0,0 +1,50 @@
+ram block $__DP8KC_ {
+	abits 13;
+	widths 1 2 4 9 per_port;
+	cost 64;
+	init no_undef;
+	port srsw "A" "B" {
+		clock posedge;
+		clken;
+		portoption "WRITEMODE" "NORMAL" {
+			rdwr no_change;
+		}
+		portoption "WRITEMODE" "WRITETHROUGH" {
+			rdwr new;
+		}
+		portoption "WRITEMODE" "READBEFOREWRITE" {
+			rdwr old;
+		}
+		option "RESETMODE" "SYNC" {
+			rdsrst zero ungated block_wr;
+		}
+		option "RESETMODE" "ASYNC" {
+			rdarst zero;
+		}
+		rdinit zero;
+	}
+}
+
+ram block $__PDPW8KC_ {
+	abits 13;
+	widths 1 2 4 9 18 per_port;
+	byte 9;
+	cost 64;
+	init no_undef;
+	port sr "R" {
+		clock posedge;
+		clken;
+		option "RESETMODE" "SYNC" {
+			rdsrst zero ungated;
+		}
+		option "RESETMODE" "ASYNC" {
+			rdarst zero;
+		}
+		rdinit zero;
+	}
+	port sw "W" {
+		width 18;
+		clock posedge;
+		clken;
+	}
+}