Subject: Re: Using SD/CF/etc. type removable FLASH ROM
To: Park Chan-youn <phygeeks@gmail.com>
From: Michael <macallan18@earthlink.net>
List: tech-kern
Date: 03/17/2005 21:13:02
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Hello,

> Hi. I'm developing an embedded system based on PowerPC/Sandpoint.
> I want to use a removable flash rom, for example SD type flash rom which 
>   is used widely in digital camera, as a portable disk which will 
> contain some binary files and environmental files.
> 
> I heard that if I use USB reader for interface then it will work. But 
> unfortunately it would be the last choice in my case.
> 
> So, the following is the questions that I am interested.
> 
> In NetBSD 1.6,
> 1. Is there any filesystem that can be used for flash rom?
Whatever you want.

> 2. Is there a device driver for flash rom? If any, where can I find it?
Depends on the interface you want to use.

> 3. What interface would you recommend if you can't use USB? For example, 
> i2c, pci, ...
The easiest way would be Compact Flash over a bog standard IDE interface I guess. Shouldn't require any special drivers.

have fun
Michael

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