From: Tor Krill <tor@excito.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] Unaligned data transfers?
Date: Fri, 04 Jun 2010 14:37:39 +0200 [thread overview]
Message-ID: <1275655059.2450.78.camel@tor-desktop> (raw)
Hi,
I have a question regarding (disk) transfers. For example Sata read and
write takes an unspecified address which very well could be an unaligned
byte address.
Many DMA-controllers though require 16 or 32bit alignments for
transfers.
Is it safe to assume that the address is correct or bail out with an
error message if source/destinaton address isn't correctly aligned for
the underlaying HW?
/Tor
next reply other threads:[~2010-06-04 12:37 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-04 12:37 Tor Krill [this message]
2010-06-04 15:44 ` [U-Boot] Unaligned data transfers? Wolfgang Denk
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