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From: Wolfgang Denk <wd@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot-Users] PATCH: Introducing CONFIG_BOARD_PRE_RESET
Date: Tue, 26 Oct 2004 10:25:05 +0200	[thread overview]
Message-ID: <20041026082510.DDBF6C1430@atlas.denx.de> (raw)
In-Reply-To: Your message of "Tue, 26 Oct 2004 09:06:25 +0200." <417DF771.5010904@imc-berlin.de>

In message <417DF771.5010904@imc-berlin.de> you wrote:
>
> Well, it's a bug in the CPU. If the LCDC DMA is running, the cpu won't reboot 
> with a simple "mov pc, r0".

Ummm... you don't call this a "reset", do you?

> And how about the AT91RM9200(DK) where the author wants to "shutdown the console 
> to avoid strange chars during reset"???

Well, that's IMHO polishing, and forgiveable ;-)

In your case, I think you really want to  implement  a  _real_  reset
function  that  takes the CPU back into it's virgin state. Is there a
watchdog on this hardware?

Best regards,

Wolfgang Denk

-- 
See us @ Embedded/Electronica Munich, Nov 09 - 12, Hall A.6 Booth 513
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
A stone was placed at a ford in a river with the inscription:
"When this stone is covered it is dangerous to ford here."

  reply	other threads:[~2004-10-26  8:25 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-10-25 14:27 [U-Boot-Users] PATCH: Introducing CONFIG_BOARD_PRE_RESET Steven Scholz
2004-10-25 18:05 ` Wolfgang Denk
2004-10-26  7:06   ` Steven Scholz
2004-10-26  8:25     ` Wolfgang Denk [this message]
2004-10-26  8:32       ` Steven Scholz
2004-10-26  9:14         ` R: " Paolo Broggini
2004-10-28  7:36         ` Steven Scholz
2004-11-23 14:18 ` Steven Scholz
2004-11-23 15:41   ` Wolfgang Denk
2004-11-23 15:48     ` Steven Scholz
2004-11-23 16:47       ` Wolfgang Denk
2004-11-23 16:54         ` Steven Scholz
2004-11-23 17:20           ` Wolfgang Denk
  -- strict thread matches above, loose matches on Subject: below --
2004-10-25 14:36 VanBaren, Gerald
2004-10-25 14:39 ` Steven Scholz
2004-10-25 14:46 VanBaren, Gerald
2004-10-25 15:12 ` Steven Scholz
2004-10-25 18:01 ` Wolfgang Denk

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