diff options
| author | Lukasz Majewski <lukma@denx.de> | 2018-12-05 17:04:02 +0100 |
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2019-02-15 12:16:50 +0100 |
| commit | 548cc1095f290a0787476d61de32213a9195ff7b (patch) | |
| tree | c6734207c165bd38a469537247052df67c5c73fa /common/usb.c | |
| parent | c5b22a5360662597511bebf95058c9dc777ee788 (diff) | |
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>
Diffstat (limited to 'common/usb.c')
0 files changed, 0 insertions, 0 deletions