Gowin. Handle the WRITE_MODE.

Process the WRITE_MODE in the GW5A series in a more concise manner.

You can check it in the same way as in
#5440

Signed-off-by: YRabbit <[email protected]>

Author: yrabbit

techlibs/gowin/Makefile.inc

@@ -10,6 +10,5 @@ $(eval $(call add_share_file,share/gowin,techlibs/gowin/arith_map.v))
 $(eval $(call add_share_file,share/gowin,techlibs/gowin/brams_map.v))
 $(eval $(call add_share_file,share/gowin,techlibs/gowin/brams_map_gw5a.v))
 $(eval $(call add_share_file,share/gowin,techlibs/gowin/brams.txt))
-$(eval $(call add_share_file,share/gowin,techlibs/gowin/brams_gw5a.txt))
 $(eval $(call add_share_file,share/gowin,techlibs/gowin/lutrams_map.v))
 $(eval $(call add_share_file,share/gowin,techlibs/gowin/lutrams.txt))

techlibs/gowin/brams.txt

@@ -19,8 +19,10 @@ ram block $__GOWIN_SP_ {
 		portoption "WRITE_MODE" 1 {
 			rdwr new;
 		}
-		portoption "WRITE_MODE" 2 {
-			rdwr old;
+		ifndef gw5a {
+			portoption "WRITE_MODE" 2 {
+				rdwr old;
+			}
 		}
 	}
 }
@@ -46,8 +48,10 @@ ram block $__GOWIN_DP_ {
 		portoption "WRITE_MODE" 1 {
 			rdwr new;
 		}
-		portoption "WRITE_MODE" 2 {
-			rdwr old;
+		ifndef gw5a {
+			portoption "WRITE_MODE" 2 {
+				rdwr old;
+			}
 		}
 	}
 }

techlibs/gowin/brams_gw5a.txt

@@ -263,7 +263,7 @@ struct SynthGowinPass : public ScriptPass
 				if (nolutram)
 					args += " -no-auto-distributed";
 			}
-			run(stringf("memory_libmap -lib +/gowin/lutrams.txt -lib +/gowin/brams%s.txt", family == "gw5a" ? "_gw5a" : "") + args, "(-no-auto-block if -nobram, -no-auto-distributed if -nolutram)");
+			run(stringf("memory_libmap -lib +/gowin/lutrams.txt -lib +/gowin/brams.txt -D %s", family) + args, "(-no-auto-block if -nobram, -no-auto-distributed if -nolutram)");
 			run(stringf("techmap -map +/gowin/lutrams_map.v -map +/gowin/brams_map%s.v", family == "gw5a" ? "_gw5a" : ""));
 		}