[U-Boot] [PATCH] mvsata_ide: adjust port init sequence

Sergei Shtylyov sshtylyov at mvista.com
Mon Sep 6 11:18:58 CEST 2010


Hello.

On 05.09.2010 23:33, Albert ARIBAUD wrote:

>>> + /* Set control IPM to 3 (no low power) and DET to 1 (initialize) */
>>> control = readl(&port->scontrol);
>>> control = (control & ~MVSATA_SCONTROL_MASK) | MVSATA_PORT_INIT;
>>> + /* Toggle control DET back to 0 (normal operation) */

>> But you haven't set it to 1 yet. Maybe the comment is misplaced?

> Look at the comment above, which said DET was set to 1, and at
> MVSATA_PORT_INIT, which combines IPM=3 and DET=1.

    But you didn't write that value yet before your comment saying that you're 
resetting DET back to 0.

WBR, Sergei


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