From: "enorm" <enorm@126.com>
To: 陈希 <xchen@sunrisetelecom.com.cn>,
linuxppc-embedded@ozlabs.org,
linuxppc-embedded-request@ozlabs.org
Subject: Re: When I use ichache_enable or dcache_enable in uboot,it crash
Date: Thu, 7 Dec 2006 20:20:36 +0800 [thread overview]
Message-ID: <001501c719fa$19e45020$8809a8c0@class> (raw)
In-Reply-To: 20061207095910.AD77667BB2@ozlabs.org
disable icache& dcache at the beginning is essential or else your program
will crash. Only when you do the proper initiation, can you enable them. For
details you can refer to you reference manual.
----- Original Message -----
From: "陈希" <xchen@sunrisetelecom.com.cn>
To: <linuxppc-embedded@ozlabs.org>; <linuxppc-embedded-request@ozlabs.org>
Sent: Thursday, December 07, 2006 5:52 PM
Subject: When I use ichache_enable or dcache_enable in uboot,it crash
> Hi,
>
> In the very begin of the uboot, the dcache is disable and the icache
> is enable. The code runs in flash nomarlly. Then the uboot should jump to
> ram and if I don't disable icache the uboot will crash. I can't enable
> the
> dcache too. The more serious problem is that when I boot the linux kernel
> ,it will stop at init_mmu. I think it is the same reason. Please help me.
>
> Thanks & Br,
> Andy
>
>
--------------------------------------------------------------------------------
> _______________________________________________
> Linuxppc-embedded mailing list
> Linuxppc-embedded@ozlabs.org
> https://ozlabs.org/mailman/listinfo/linuxppc-embedded
next prev parent reply other threads:[~2006-12-07 12:20 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-12-07 9:52 When I use ichache_enable or dcache_enable in uboot,it crash 陈希
2006-12-07 12:20 ` enorm [this message]
2006-12-08 1:33 ` 陈希
[not found] <4578C0DC.0D5B9A.00597>
2006-12-08 1:55 ` enorm
2006-12-08 2:43 ` 陈希
[not found] <20061208024333.C5FCB67B6F@ozlabs.org>
2006-12-08 7:48 ` 陈希
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