Re: [PATCH 1/4] ARM: i.MX6 Wandboard: dont do MMDC Write Leveling Calibration

2017-06-13 Thread Sascha Hauer
On Thu, Jun 08, 2017 at 08:41:34PM +0200, Alexander Kurz wrote: > The hardware requirements to perform a write leveling calibration are > not fulfilled by the Wandboard modules. > IMX6DQRM §44.11.6 "Write leveling Calibration" Note2 states that the first > bit of each data byte group (D0, D8, ...,

[PATCH 1/4] ARM: i.MX6 Wandboard: dont do MMDC Write Leveling Calibration

2017-06-08 Thread Alexander Kurz
The hardware requirements to perform a write leveling calibration are not fulfilled by the Wandboard modules. IMX6DQRM §44.11.6 "Write leveling Calibration" Note2 states that the first bit of each data byte group (D0, D8, ..., D56) from memory must be connected to the same data bus bit on the contr