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[U-Boot,24/34] imx: ventana: updated 16bit DDR calibration

Message ID 1428522904-8111-25-git-send-email-tharvey@gateworks.com
State Awaiting Upstream
Delegated to: Stefano Babic
Headers show

Commit Message

Tim Harvey April 8, 2015, 7:54 p.m. UTC 
Updated 16bit DDR calibration using values obtained from running the
i.MX6 DDR Stress Test tool over a set of boards over full operationg
temperature.

Signed-off-by: Tim Harvey <tharvey@gateworks.com>
---
 board/gateworks/gw_ventana/gw_ventana_spl.c | 20 ++++++++++++--------
 1 file changed, 12 insertions(+), 8 deletions(-)
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Patch

diff --git a/board/gateworks/gw_ventana/gw_ventana_spl.c b/board/gateworks/gw_ventana/gw_ventana_spl.c
index 668e112..baa2c6e 100644
--- a/board/gateworks/gw_ventana/gw_ventana_spl.c
+++ b/board/gateworks/gw_ventana/gw_ventana_spl.c
@@ -233,13 +233,15 @@  static struct mx6_mmdc_calibration mx6dq_128x16_mmdc_calib = {
 
 static struct mx6_mmdc_calibration mx6dq_256x16_mmdc_calib = {
 	/* write leveling calibration determine */
-	.p0_mpwldectrl0 = 0x00190017,
+	.p0_mpwldectrl0 = 0x001B0016,
+	.p0_mpwldectrl1 = 0x000C000E,
 	/* Read DQS Gating calibration */
-	.p0_mpdgctrl0 = 0x43380347,
+	.p0_mpdgctrl0 = 0x4324033A,
+	.p0_mpdgctrl1 = 0x00000000,
 	/* Read Calibration: DQS delay relative to DQ read access */
-	.p0_mprddlctl = 0x3C313539,
+	.p0_mprddlctl = 0x40403438,
 	/* Write Calibration: DQ/DM delay relative to DQS write access */
-	.p0_mpwrdlctl = 0x36393C39,
+	.p0_mpwrdlctl = 0x40403D36,
 };
 
 static struct mx6_mmdc_calibration mx6sdl_128x16_mmdc_calib = {
@@ -255,13 +257,15 @@  static struct mx6_mmdc_calibration mx6sdl_128x16_mmdc_calib = {
 
 static struct mx6_mmdc_calibration mx6sdl_256x16_mmdc_calib = {
 	/* write leveling calibration determine */
-	.p0_mpwldectrl0 = 0x00190017,
+	.p0_mpwldectrl0 = 0x00420043,
+	.p0_mpwldectrl1 = 0x0016001A,
 	/* Read DQS Gating calibration */
-	.p0_mpdgctrl0 = 0x43380347,
+	.p0_mpdgctrl0 = 0x4238023B,
+	.p0_mpdgctrl1 = 0x00000000,
 	/* Read Calibration: DQS delay relative to DQ read access */
-	.p0_mprddlctl = 0x3C313539,
+	.p0_mprddlctl = 0x40404849,
 	/* Write Calibration: DQ/DM delay relative to DQS write access */
-	.p0_mpwrdlctl = 0x36393C39,
+	.p0_mpwrdlctl = 0x40402E2F,
 };
 
 static struct mx6_mmdc_calibration mx6dq_128x32_mmdc_calib = {