From: Florent Kermarrec <florent@enjoy-digital.fr>
Date: Wed, 19 Dec 2018 10:18:19 +0000 (+0100)
Subject: bios/sdram: reduce write leveling scan range
X-Git-Tag: 24jan2021_ls180~1431
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=67a2590235337cfac329f4a7e18c4c802c95e4c0;p=litex.git

bios/sdram: reduce write leveling scan range
---

diff --git a/litex/soc/software/bios/sdram.c b/litex/soc/software/bios/sdram.c
index 383cc3ef..b00f615e 100644
--- a/litex/soc/software/bios/sdram.c
+++ b/litex/soc/software/bios/sdram.c
@@ -253,7 +253,7 @@ int write_level(void)
 
     int ok;
 
-	err_ddrphy_wdly = ERR_DDRPHY_DELAY - ddrphy_half_sys8x_taps_read() - 1;
+	err_ddrphy_wdly = (ERR_DDRPHY_DELAY*14)/16 - ddrphy_half_sys8x_taps_read();
 
 	printf("Write leveling:\n");