From f84f57d651eaf80f85e0bfa8c37f723be603ef1d Mon Sep 17 00:00:00 2001
From: Greg Davill <greg.davill@gmail.com>
Date: Sat, 25 Jan 2020 13:11:39 +1030
Subject: [PATCH] soc/software/bios/sdram: On ECP5 strobe dly_sel after read
 leveling

---
 litex/soc/software/bios/sdram.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/litex/soc/software/bios/sdram.c b/litex/soc/software/bios/sdram.c
index f7d8458c8..15d5e1e9f 100644
--- a/litex/soc/software/bios/sdram.c
+++ b/litex/soc/software/bios/sdram.c
@@ -943,6 +943,13 @@ int sdrlevel(void)
 		printf("\n");
 	}
 
+#ifdef ECP5DDRPHY
+	/* Toggle all dly_sel lines. 
+	 * Which toggles all DQSBUFM.PAUSE lines, this ensures they're using the correct delays. */
+	ddrphy_dly_sel_write(0xFF);
+	ddrphy_dly_sel_write(0);
+#endif
+
 	return 1;
 }
 #endif