From f958b0a0f3ca1f6da127a2f3bc02d57a1882354a Mon Sep 17 00:00:00 2001
From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Sat, 12 Feb 2022 15:55:27 +0000
Subject: [PATCH] bring ulx3s frequency down to 12.5 mhz

---
 Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index b939620..43f5d88 100644
--- a/Makefile
+++ b/Makefile
@@ -162,7 +162,7 @@ endif
 ifeq ($(FPGA_TARGET), ULX3S)
 RESET_LOW=true
 CLK_INPUT=25000000
-CLK_FREQUENCY=25000000
+CLK_FREQUENCY=12500000
 LPF=constraints/ulx3s.lpf
 PACKAGE=CABGA381
 NEXTPNR_FLAGS=--85k --freq 25
-- 
2.30.2