[ECOS] Re: Advice on hardware choice

[John Dallaway <john at dallaway dot org dot uk>]

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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