From: Sergei Shtylyov <sshtylyov@mvista.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH] mvsata_ide: adjust port init sequence
Date: Mon, 06 Sep 2010 13:18:58 +0400 [thread overview]
Message-ID: <4C84B202.70901@mvista.com> (raw)
In-Reply-To: <4C83F0A0.80701@free.fr>
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
next prev parent reply other threads:[~2010-09-06 9:18 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-04 10:34 [U-Boot] [PATCH] mvsata_ide: adjust port init sequence Albert Aribaud
2010-09-05 10:54 ` Sergei Shtylyov
2010-09-05 19:33 ` Albert ARIBAUD
2010-09-06 9:18 ` Sergei Shtylyov [this message]
2010-09-06 10:27 ` Albert ARIBAUD
2010-09-06 12:45 ` Sergei Shtylyov
2010-09-06 15:47 ` Albert ARIBAUD
-- strict thread matches above, loose matches on Subject: below --
2010-09-06 22:53 Albert Aribaud
2010-09-06 23:02 ` Albert ARIBAUD
2010-09-07 9:34 ` Wolfgang Denk
2010-09-07 9:33 ` Wolfgang Denk
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