From: Ilya Yanok <yanok@emcraft.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] Cache function change breaks zmx25
Date: Fri, 09 Dec 2011 19:03:05 +0400 [thread overview]
Message-ID: <4EE22329.5090700@emcraft.com> (raw)
In-Reply-To: <4EE21A38.2070908@arcor.de>
Hi Matthias,
On 09.12.2011 18:24, Matthias Wei?er wrote:
> breaks zmx25 booting with the following command:
>
> tftpboot 0x82000000 foo.img; dcache on; bootm 0x82000000
>
> It is stuck then in an endless loop after dcache is disabled before
> jumping to the OS.
>
> ------------------------------------------------
> WARNING: cache operations are not implemented!
> WARNING: disabling D-Cache now, you can re-enable itlater with 'dcache
> on' command
> ------------------------------------------------
Argh.. That's really bad. May I ask you to debug this a little bit?
What is exact cache function being called? Where from?
How comes that dcache_status() returns true after dcache_disable()? Or
does somebody call dcache_enable() in between?
Regards, Ilya.
next prev parent reply other threads:[~2011-12-09 15:03 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-09 14:24 [U-Boot] Cache function change breaks zmx25 Matthias Weißer
2011-12-09 15:03 ` Ilya Yanok [this message]
2011-12-10 16:36 ` Matthias Weisser
2011-12-11 23:09 ` [U-Boot] [PATCH] arm926ejs: remove noop flush_dcache_all function Ilya Yanok
2011-12-12 9:20 ` Matthias Weißer
2011-12-13 18:43 ` Tom Rini
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