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From: broonie@opensource•wolfsonmicro.com (Mark Brown)
To: linux-arm-kernel@lists•infradead.org
Subject: Ethernet in a cold climate / SMDK6410
Date: Wed, 30 Dec 2009 13:16:00 +0000	[thread overview]
Message-ID: <20091230131559.GA369@opensource.wolfsonmicro.com> (raw)
In-Reply-To: <4B39FB2C.4010608@warmcat.com>

On Tue, Dec 29, 2009 at 12:50:52PM +0000, Andy Green wrote:
> On 12/29/09 12:33, Somebody in the thread at some point said:

> >Compared to NAND removable media can be a win, yes, though with fast
> >JTAG having to rewrite the flash needn't be any slower so it's not quite
> >that clear cut.

> Right, but if you can eliminate JTAG in the flow, especially at the
> factory, that is a major simplification.

An awful lot of production setups are capable of handling JTAG already
so don't have much of an issue here.  Certainly as a developer my
preference here would be for fast JTAG over SD card - it's at least as
fast, there's only one system involved and it works just the same no
matter what the state of the system is.

> Again all I can say is it's specialized case.  For normal dev work
> SD is either painless or hugely advantageous.

Assuming the hardware can cope with it, and there's component cost,
board area and mechanical concerns to address before it gets designed
in.  There are a lot of systems where it would be useful but there's
drawbacks you have to bear in mind when pushing it.

  reply	other threads:[~2009-12-30 13:16 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-12-28 18:40 Ethernet in a cold climate / SMDK6410 Andy Green
2009-12-28 19:00 ` Mark Brown
2009-12-28 19:07   ` Andy Green
2009-12-28 19:22     ` Mark Brown
2009-12-28 19:45       ` Andy Green
2009-12-28 20:21         ` Mark Brown
2009-12-28 20:46           ` Andy Green
2009-12-28 22:44             ` Mark Brown
2009-12-29 10:04               ` Andy Green
2009-12-29 12:33                 ` Mark Brown
2009-12-29 12:50                   ` Andy Green
2009-12-30 13:16                     ` Mark Brown [this message]
2009-12-30 13:37                       ` Ethernet / SD Boot Andy Green
2009-12-31 12:27                         ` Mark Brown
2009-12-31 12:59                           ` Andy Green
2010-01-04 16:26                             ` Ben Dooks
2010-01-04 17:28                               ` Andy Green
2010-01-04 17:40                                 ` Russell King - ARM Linux
2010-01-04 18:09                                   ` Andy Green
2010-01-05 14:17                                     ` Marc Zyngier
2010-01-04 18:49                                 ` Jamie Lokier

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