From 9c4feb32a4318af6630011410806832cf4adf1f0 Mon Sep 17 00:00:00 2001
From: David Shah <davey1576@gmail.com>
Date: Tue, 3 Jul 2018 13:45:42 +0200
Subject: [PATCH] ice40: Fix carry timing paths

Signed-off-by: David Shah <davey1576@gmail.com>
---
 ice40/arch.cc | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/ice40/arch.cc b/ice40/arch.cc
index b16a9f43..333022c4 100644
--- a/ice40/arch.cc
+++ b/ice40/arch.cc
@@ -494,13 +494,13 @@ bool Arch::getCellDelay(const CellInfo *cell, IdString fromPort, IdString toPort
                 delay = 450;
                 return true;
             }
-        } else if (fromPort == id("CI") && toPort == id("CO")) {
+        } else if (fromPort == id("CIN") && toPort == id("COUT")) {
             delay = 120;
             return true;
-        } else if (fromPort == id("I1") && toPort == id("CO")) {
+        } else if (fromPort == id("I1") && toPort == id("COUT")) {
             delay = 260;
             return true;
-        } else if (fromPort == id("I2") && toPort == id("CO")) {
+        } else if (fromPort == id("I2") && toPort == id("COUT")) {
             delay = 230;
             return true;
         }