From 47851c232868bfcbf6b088d04916476c1de10e97 Mon Sep 17 00:00:00 2001
From: Catherine <whitequark@whitequark.org>
Date: Sat, 2 Sep 2023 21:27:01 +0000
Subject: [PATCH] vendor.GowinPlatform: fix fencepost error in oscillator
 range.

Python ranges are half-open (exclusive).
---
 amaranth/vendor/_gowin.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/amaranth/vendor/_gowin.py b/amaranth/vendor/_gowin.py
index 1dd1c65..38a4625 100644
--- a/amaranth/vendor/_gowin.py
+++ b/amaranth/vendor/_gowin.py
@@ -161,7 +161,7 @@ class GowinPlatform(TemplatedPlatform):
 
     @property
     def _osc_div(self):
-        div_range = range(2, 128, 2)
+        div_range = range(2, 130, 2)
         div_frac  = Fraction(self._osc_base_freq, self.osc_frequency)
 
         if div_frac.denominator != 1 or div_frac not in div_range: