From 12c02c347b7929238f0e7ef7d88d4eb1dcc95e97 Mon Sep 17 00:00:00 2001
From: John McMaster <johndmcmaster@gmail.com>
Date: Tue, 8 Jan 2019 11:41:36 +0100
Subject: [PATCH] block_type_s2i

Signed-off-by: John McMaster <johndmcmaster@gmail.com>
---
 prjxray/util.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/prjxray/util.py b/prjxray/util.py
index 6fbe2bd8..16f28455 100644
--- a/prjxray/util.py
+++ b/prjxray/util.py
@@ -137,6 +137,9 @@ block_type_i2s = {
     # special...maybe should error until we know what it is?
     # 3: 'RESERVED',
 }
+block_type_s2i = {}
+for k, v in block_type_i2s.items():
+    block_type_s2i[v] = k
 
 
 def addr2btype(base_addr):