From: Ludwig Zenz <lzenz@dh-electronics.com>
Date: Mon, 15 Apr 2019 07:31:10 +0000 (+0200)
Subject: ARM: imx6: update 1GB DDR3 calibration for DHCOM i.MX6qd PDK
X-Git-Tag: v2025.01-rc5-pxa1908~3010^2~13
X-Git-Url: http://git.dujemihanovic.xyz/img/sics.gif?a=commitdiff_plain;h=a44ca1346dc7fdba4ae4f2906078f6b737c3f109;p=u-boot.git

ARM: imx6: update 1GB DDR3 calibration for DHCOM i.MX6qd PDK

The existing calibration values were found to be incorrect
in comparison to newly determined values.

The new values were generated with the help of 5 boards. They have
been determined with the NXP Utility 'DDR Stress Test (2.9.0)'.

Signed-off-by: Ludwig Zenz <lzenz@dh-electronics.com>
---

diff --git a/board/dhelectronics/dh_imx6/dh_imx6_spl.c b/board/dhelectronics/dh_imx6/dh_imx6_spl.c
index 04e9eab272..1815386a8a 100644
--- a/board/dhelectronics/dh_imx6/dh_imx6_spl.c
+++ b/board/dhelectronics/dh_imx6/dh_imx6_spl.c
@@ -161,18 +161,18 @@ static const struct mx6_mmdc_calibration dhcom_mmdc_calib_2x4g_800 = {
 };
 
 static const struct mx6_mmdc_calibration dhcom_mmdc_calib_4x2g_1066 = {
-	.p0_mpwldectrl0	= 0x0011000E,
-	.p0_mpwldectrl1	= 0x000E001B,
-	.p1_mpwldectrl0	= 0x00190015,
-	.p1_mpwldectrl1	= 0x00070018,
-	.p0_mpdgctrl0	= 0x42720306,
-	.p0_mpdgctrl1	= 0x026F0266,
-	.p1_mpdgctrl0	= 0x4273030A,
-	.p1_mpdgctrl1	= 0x02740240,
-	.p0_mprddlctl	= 0x45393B3E,
-	.p1_mprddlctl	= 0x403A3747,
-	.p0_mpwrdlctl	= 0x40434541,
-	.p1_mpwrdlctl	= 0x473E4A3B,
+	.p0_mpwldectrl0	= 0x001a001a,
+	.p0_mpwldectrl1	= 0x00260015,
+	.p0_mpdgctrl0	= 0x030c0320,
+	.p0_mpdgctrl1	= 0x03100304,
+	.p0_mprddlctl	= 0x432e3538,
+	.p0_mpwrdlctl	= 0x363f423d,
+	.p1_mpwldectrl0	= 0x0006001e,
+	.p1_mpwldectrl1	= 0x00050015,
+	.p1_mpdgctrl0	= 0x031c0324,
+	.p1_mpdgctrl1	= 0x030c0258,
+	.p1_mprddlctl	= 0x3834313f,
+	.p1_mpwrdlctl	= 0x47374a42,
 };
 
 static const struct mx6_mmdc_calibration dhcom_mmdc_calib_4x2g_800 = {