From: Stefan Roese <sr@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH] ppc4xx: Fix TLB reset problem with recent 44x images
Date: Fri, 24 Jul 2009 10:05:03 +0200 [thread overview]
Message-ID: <200907241005.03255.sr@denx.de> (raw)
In-Reply-To: <1247579638-25656-1-git-send-email-sr@denx.de>
On Tuesday 14 July 2009 15:53:58 Stefan Roese wrote:
> Patch d873133f [ppc4xx: Add Sequoia RAM-booting target] broke "normal"
> booting on some 44x platforms. This breakage is only noticed in some
> cases while powercycling. As it seems, the code in question in start.S
> didn't invalidate TLB #0. This makes sense since this TLB is used for
> the bootrom mapping. With the patch mentioned above even TLB #0 got
> invalidated resulting in an error later on.
>
> This patch now fixes this issue by only invalidating TLB #0 in the RAM-
> booting case.
>
> Tested succesfully on Sequoia and Canyonlands.
Applied to ppc4xx/master. Thanks.
Best regards,
Stefan
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prev parent reply other threads:[~2009-07-24 8:05 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-14 13:53 [U-Boot] [PATCH] ppc4xx: Fix TLB reset problem with recent 44x images Stefan Roese
2009-07-24 8:05 ` Stefan Roese [this message]
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