tep1-imx7d: increase ODT resistor value from 60 to 120 ohm to improve…

… DRAM stability
TechNexion · Dec 26, 2023 · d5886ef · d5886ef
1 parent 4a83afa
commit d5886ef
Showing 1 changed file with 10 additions and 10 deletions.
diff --git a/board/technexion/tep1-imx7d/tep1-imx7d_spl.c b/board/technexion/tep1-imx7d/tep1-imx7d_spl.c
@@ -97,14 +97,14 @@ static void ddr3_512mb_init(void)
 	writel(0x08080808, 0x30790030);
 	writel(0x01000010, 0x30790050);
 	writel(0x00000010, 0x30790050);
-	writel(0x0e407304, 0x307900c0);
-	writel(0x0e447304, 0x307900c0);
-	writel(0x0e447306, 0x307900c0);
+	writel(0x0e207304, 0x307900c0);
+	writel(0x0e247304, 0x307900c0);
+	writel(0x0e247306, 0x307900c0);
 	while ((readl(0x307900c4) & 0x1) != 0x1)
 		;
 
-	writel(0x0e447304, 0x307900c0);
-	writel(0x0e407304, 0x307900c0);
+	writel(0x0e247304, 0x307900c0);
+	writel(0x0e207304, 0x307900c0);
 
 	writel(0x00000000, 0x30384130);
 	writel(0x00000178, 0x30340020);
@@ -162,14 +162,14 @@ static void ddr3_1gb_init(void)
 	writel(0x01000010, 0x30790050);
 	writel(0x00000010, 0x30790050);
 
-	writel(0x0e407304, 0x307900c0);
-	writel(0x0e447304, 0x307900c0);
-	writel(0x0e447306, 0x307900c0);
+	writel(0x0e207304, 0x307900c0);
+	writel(0x0e247304, 0x307900c0);
+	writel(0x0e247306, 0x307900c0);
 	while ((readl(0x307900c4) & 0x1) != 0x1)
 		;
 
-	writel(0x0e447304, 0x307900c0);
-	writel(0x0e407304, 0x307900c0);
+	writel(0x0e247304, 0x307900c0);
+	writel(0x0e207304, 0x307900c0);
 
 	writel(0x00000000, 0x30384130);
 	writel(0x00000178, 0x30340020);