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Date:      Thu, 7 Jun 2007 12:16:08 +0200 (CEST)
From:      =?iso-8859-1?Q?Bj=F6rn_K=F6nig?= <bkoenig@alpha-tierchen.de>
To:        "Neil Bradley" <nb@synthcom.com>
Cc:        arm@freebsd.org
Subject:   Re: 4-bit SD Card mode
Message-ID:  <54244.2001:6f8:101e:0:20e:cff:fe6d:6adb.1181211368.squirrel@webmail.alpha-tierchen.de>
In-Reply-To: <20070607023728.X43808@synthcom.com>
References:  <50503.2001:6f8:101e:0:20e:cff:fe6d:6adb.1181202550.squirrel@webmail.alpha-tierchen.de> <20070607005128.T43808@synthcom.com> <53054.2001:6f8:101e:0:20e:cff:fe6d:6adb.1181203617.squirrel@webmail.alpha-tierchen.de> <20070607023728.X43808@synthcom.com>

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Neil wrote:
> The controllers I've encountered all have a "1
> bit/4 bit" mode setting, and as long as you tell the card to go in to 4
> bit mode and set it in the hardware as well, the SD controller handles
> everything for you.

You are right; I had an error in reasoning. It should handle it.

> What is the CPU in question?

There are issues with AT91RM9200, but now I think the problem is something
else than I assumed.

Thanks
Björn





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