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From: w.sang@pengutronix.de (Wolfram Sang)
To: linux-arm-kernel@lists.infradead.org
Subject: MX28 & finding out boot mode
Date: Thu, 30 Aug 2012 11:55:55 +0200	[thread overview]
Message-ID: <20120830095555.GE27306@pengutronix.de> (raw)
In-Reply-To: <F281D0F91ED19E4D8E63A7504E8A649803C630EF@039-SN2MPN1-023.039d.mgd.msft.net>

On Thu, Aug 30, 2012 at 09:40:05AM +0000, Chen Peter-B29397 wrote:
>  
> > 
> > Some customers want this to handle the recovery case differently than
> > the standard case.
> > 
> 
> If you can't find method at datasheet (like reading some registers), a workaround

I hoped there was one bit in the persistent registers where the ROM
code stores such stuff. Sadly, those are usually not documented, so I
asked.

> is according to usb register, usually, usbcmd.rs (pull-up DP) stands for usb is using
> or not.

I think this is too much of a workaround for me :)

Thanks anyway!

-- 
Pengutronix e.K.                           | Wolfram Sang                |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |
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  reply	other threads:[~2012-08-30  9:55 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-08-30  8:25 MX28 & finding out boot mode Wolfram Sang
2012-08-30  8:12 ` Dong Aisheng
2012-08-30  8:47   ` Chen Peter-B29397
2012-08-30  9:13     ` Wolfram Sang
2012-08-30  9:40       ` Chen Peter-B29397
2012-08-30  9:55         ` Wolfram Sang [this message]
2012-09-01 21:00           ` Marek Vasut

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