From 99ccb3180db7c391e902486d608040add5f3c31b Mon Sep 17 00:00:00 2001
From: Clifford Wolf <clifford@clifford.at>
Date: Thu, 10 Sep 2015 17:35:19 +0200
Subject: Fixed ice40 handling of negclk RAM40

---
 techlibs/ice40/brams_map.v |  8 ++++----
 techlibs/ice40/cells_sim.v | 16 ++++++++--------
 2 files changed, 12 insertions(+), 12 deletions(-)

diff --git a/techlibs/ice40/brams_map.v b/techlibs/ice40/brams_map.v
index 8c5c7e81..f3674b4e 100644
--- a/techlibs/ice40/brams_map.v
+++ b/techlibs/ice40/brams_map.v
@@ -90,7 +90,7 @@ module \$__ICE40_RAM4K (
 					.RCLKE(RCLKE),
 					.RE   (RE   ),
 					.RADDR(RADDR),
-					.WCLK (WCLK ),
+					.WCLKN(WCLK ),
 					.WCLKE(WCLKE),
 					.WE   (WE   ),
 					.WADDR(WADDR),
@@ -119,7 +119,7 @@ module \$__ICE40_RAM4K (
 					.INIT_F(INIT_F)
 				) _TECHMAP_REPLACE_ (
 					.RDATA(RDATA),
-					.RCLK (RCLK ),
+					.RCLKN(RCLK ),
 					.RCLKE(RCLKE),
 					.RE   (RE   ),
 					.RADDR(RADDR),
@@ -152,11 +152,11 @@ module \$__ICE40_RAM4K (
 					.INIT_F(INIT_F)
 				) _TECHMAP_REPLACE_ (
 					.RDATA(RDATA),
-					.RCLK (RCLK ),
+					.RCLKN(RCLK ),
 					.RCLKE(RCLKE),
 					.RE   (RE   ),
 					.RADDR(RADDR),
-					.WCLK (WCLK ),
+					.WCLKN(WCLK ),
 					.WCLKE(WCLKE),
 					.WE   (WE   ),
 					.WADDR(WADDR),
diff --git a/techlibs/ice40/cells_sim.v b/techlibs/ice40/cells_sim.v
index 17b6be9c..998ad3a1 100644
--- a/techlibs/ice40/cells_sim.v
+++ b/techlibs/ice40/cells_sim.v
@@ -473,7 +473,7 @@ endmodule
 
 module SB_RAM40_4KNR (
 	output [15:0] RDATA,
-	input         RCLK, RCLKE, RE,
+	input         RCLKN, RCLKE, RE,
 	input  [10:0] RADDR,
 	input         WCLK, WCLKE, WE,
 	input  [10:0] WADDR,
@@ -520,7 +520,7 @@ module SB_RAM40_4KNR (
 		.INIT_F    (INIT_F    )
 	) RAM (
 		.RDATA(RDATA),
-		.RCLK (~RCLK),
+		.RCLK (~RCLKN),
 		.RCLKE(RCLKE),
 		.RE   (RE   ),
 		.RADDR(RADDR),
@@ -537,7 +537,7 @@ module SB_RAM40_4KNW (
 	output [15:0] RDATA,
 	input         RCLK, RCLKE, RE,
 	input  [10:0] RADDR,
-	input         WCLK, WCLKE, WE,
+	input         WCLKN, WCLKE, WE,
 	input  [10:0] WADDR,
 	input  [15:0] MASK, WDATA
 );
@@ -586,7 +586,7 @@ module SB_RAM40_4KNW (
 		.RCLKE(RCLKE),
 		.RE   (RE   ),
 		.RADDR(RADDR),
-		.WCLK (~WCLK),
+		.WCLK (~WCLKN),
 		.WCLKE(WCLKE),
 		.WE   (WE   ),
 		.WADDR(WADDR),
@@ -597,9 +597,9 @@ endmodule
 
 module SB_RAM40_4KNRNW (
 	output [15:0] RDATA,
-	input         RCLK, RCLKE, RE,
+	input         RCLKN, RCLKE, RE,
 	input  [10:0] RADDR,
-	input         WCLK, WCLKE, WE,
+	input         WCLKN, WCLKE, WE,
 	input  [10:0] WADDR,
 	input  [15:0] MASK, WDATA
 );
@@ -644,11 +644,11 @@ module SB_RAM40_4KNRNW (
 		.INIT_F    (INIT_F    )
 	) RAM (
 		.RDATA(RDATA),
-		.RCLK (~RCLK),
+		.RCLK (~RCLKN),
 		.RCLKE(RCLKE),
 		.RE   (RE   ),
 		.RADDR(RADDR),
-		.WCLK (~WCLK),
+		.WCLK (~WCLKN),
 		.WCLKE(WCLKE),
 		.WE   (WE   ),
 		.WADDR(WADDR),
-- 
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