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From: Ludwig Zenz <lzenz@dh-electronics.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH v2 2/2] ARM: imx6: update 1GB DDR3 calibration for DHCOM i.MX6qd PDK
Date: Mon, 15 Apr 2019 09:31:10 +0200	[thread overview]
Message-ID: <20190415073110.2639-1-lzenz@dh-electronics.com> (raw)

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>
---
 board/dhelectronics/dh_imx6/dh_imx6_spl.c | 24 ++++++++++++------------
 1 file changed, 12 insertions(+), 12 deletions(-)

diff --git a/board/dhelectronics/dh_imx6/dh_imx6_spl.c b/board/dhelectronics/dh_imx6/dh_imx6_spl.c
index bbd2dc26828..2939389de39 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 = {
-- 
2.11.0

             reply	other threads:[~2019-04-15  7:31 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-04-15  7:31 Ludwig Zenz [this message]
2019-04-26  9:36 ` [U-Boot] [U-Boot, v2, 2/2] ARM: imx6: update 1GB DDR3 calibration for DHCOM i.MX6qd PDK sbabic at denx.de

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