From: Scott Wood <scottwood@freescale.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] p4080ds starts OS with MSR[EE]=1 and DEC armed?
Date: Tue, 15 Mar 2011 16:24:22 -0500 [thread overview]
Message-ID: <20110315162422.011dea8a@schlenkerla> (raw)
In-Reply-To: <20110315162250.67fff68c@schlenkerla>
On Tue, 15 Mar 2011 16:22:50 -0500
Scott Wood <scottwood@freescale.com> wrote:
> On Tue, 15 Mar 2011 16:16:39 -0500
> Jimi Xenidis <jimix@pobox.com> wrote:
>
> > That is true for "server" and "classic" because they do not necessarily stop at 0.
> > for embedded you can just:
> > /* u-boot leaves decrementer enabled */
> > mtspr(SPRN_DECAR, 0); /* paranoia */
> > mtspr(SPRN_DEC, 0);
> > mtspr(SPRN_TCR, 0);
> > mtspr(SPRN_TSR, 0);
> >
> > And there is no way in hell any timer will go off, right?
>
> Ah, right. Forgot it stopped at zero.
Though that last line should be something like mtspr(SPRN_TSR, 0xffffffff);
-Scott
next prev parent reply other threads:[~2011-03-15 21:24 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-03 14:59 [U-Boot] p4080ds starts OS with MSR[EE]=1 and DEC armed? Jimi Xenidis
2011-03-12 22:56 ` Kumar Gala
2011-03-13 15:46 ` Jimi Xenidis
2011-03-15 19:21 ` Timur Tabi
2011-03-15 20:24 ` Scott Wood
2011-03-15 21:16 ` Jimi Xenidis
2011-03-15 21:21 ` Timur Tabi
2011-03-15 21:22 ` Jimi Xenidis
2011-03-15 21:22 ` Scott Wood
2011-03-15 21:24 ` Scott Wood [this message]
2011-03-14 18:09 ` Scott Wood
2011-03-14 19:39 ` Jimi Xenidis
2011-03-15 5:46 ` Kumar Gala
2011-03-14 21:25 ` Kumar Gala
2011-03-14 21:37 ` Scott Wood
2011-03-15 5:39 ` Kumar Gala
2011-03-15 16:11 ` Scott Wood
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