bios/sdram: only show read delays when they are valid.

2018-12-19 11:19:47 +01:00 · 2018-12-19 11:19:47 +01:00 · ebe0d567f8
parent 67a2590235
commit ebe0d567f8
1 changed files with 4 additions and 1 deletions
--- a/litex/soc/software/bios/sdram.c
+++ b/litex/soc/software/bios/sdram.c
@ -508,6 +508,9 @@ static void read_level(int module)
 	}
 	delay_max = delay;

+	if (delay_min >= ERR_DDRPHY_DELAY)
+		printf("-");
+	else
 		printf("%02d+-%02d", (delay_min+delay_max)/2, (delay_max-delay_min)/2);

 	/* Set delay to the middle */