commit 548cc1095f290a0787476d61de32213a9195ff7b
author Lukasz Majewski <lukma@denx.de> Wed Dec 05 17:04:02 2018 +0100
committer Stefano Babic <sbabic@denx.de> Fri Feb 15 12:16:50 2019 +0100
tree c6734207c165bd38a469537247052df67c5c73fa
parent c5b22a5360662597511bebf95058c9dc777ee788

ddr: vybrid: Provide code to perform on-boot calibration

This patch provides the code to calibrate the DDR's
DQS to DQ signals (RDLVL).

It is based on:
VFxxx Controller Reference Manual, Rev. 0, 10/2016, page 1600
10.1.6.16.4.1 "Software Read Leveling in MC Evaluation Mode"

and NXP's community thread:
"Vybrid: About DDR leveling feature on DDRMC."
https://community.nxp.com/thread/395323

Signed-off-by: Lukasz Majewski <lukma@denx.de>

arch/arm/mach-imx/Makefile

diff --git a/arch/arm/mach-imx/Makefile b/arch/arm/mach-imx/Makefile
index 9c7ce9e..c3ed62a 100644
--- a/arch/arm/mach-imx/Makefile
+++ b/arch/arm/mach-imx/Makefile
@@ -53,6 +53,7 @@
 endif
 ifeq ($(SOC),$(filter $(SOC),vf610))
 obj-y += ddrmc-vf610.o
+obj-$(CONFIG_DDRMC_VF610_CALIBRATION) += ddrmc-vf610-calibration.o
 endif
 ifneq ($(CONFIG_SPL_BUILD),y)
 obj-$(CONFIG_CMD_BMODE) += cmd_bmode.o