From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ilya Yanok Date: Fri, 09 Dec 2011 19:03:05 +0400 Subject: [U-Boot] Cache function change breaks zmx25 In-Reply-To: <4EE21A38.2070908@arcor.de> References: <4EE21A38.2070908@arcor.de> Message-ID: <4EE22329.5090700@emcraft.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.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.