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Re: Advice on hardware choice
- From: John Dallaway <john at dallaway dot org dot uk>
- To: "Paul D. DeRocco" <pderocco at ix dot netcom dot com>
- Cc: eCos Discuss <ecos-discuss at ecos dot sourceware dot org>
- Date: Tue, 14 Jul 2009 08:56:21 +0100
- Subject: [ECOS] Re: Advice on hardware choice
- References: <PGEAIGBPLOMOJDAPCOJHKEBONFAB.pderocco@ix.netcom.com>
Hi Paul
Paul D. DeRocco wrote:
> I'm starting a "hobby" project based on eCos, so I have to use the free
> version, but I'm not wedded to any particular hardware platform yet. Before
> I go through the excruciating process of investigating all the hardware for
> which free eCos includes board support packages for, I thought I'd just ask
> for advice. My hardware requirements are:
>
> Roughly the horsepower of a 200MHz ARM
> At least 4MB RAM on a 32-bit bus, preferably single SDRAM chip
> Don't want NOR flash on board (boot from internal or SPI flash)
> 100mb/s Ethernet interface
> Full speed USB slave interface
> SD card interface
>
> If the support is for some off-the-shelf eval board, I'll basically use it
> as the basis for my own hardware design, so the BSP should work pretty much
> as-is.
Evgeniy Dushistov has some eCos patches for AT91SAM9263:
http://ecos.sourceware.org/ml/ecos-discuss/2009-06/msg00136.html
Another possibility is the EP93xx board support from Cirrus Logic:
http://bugs.ecos.sourceware.org/show_bug.cgi?id=1000739
However, it looks like the EP93xx processors do not provide USB slave.
You might also wish to look at some of the more powerful PowerPC boards.
John Dallaway
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