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SubjectRe: kernel newbie -- Compact Flash booting
On Thu, Jan 24, 2002 at 10:52:37PM -0800, Ramya Ravichandran wrote:
> Hi,
> I am a newbie to Linux.I have to develop an
> embedded linux controller that boots from the Compact
> flash card instead of the HD and work from RAM. I have
> to have a bare minimum implementation of Linux kernel
> to do this.
> I don't know where to start. Shud I start by writing
> the driver for the CF card? What background knowledge
> shud I have for implementing the kernel?

The compact flashes appear to PCMCIA as removable IDE drives.
Unless the PCMCIA-CF adapter is more than just two connectors
plus a set of wires in between, you should have no problems
at all. Either IDE, or IDE_CS driver should do it.
(The IDE_CS will, of course, need the PCMCIA suite too to
support removable media. IDE doesn't support removability.)

To boot from CF you need support in your boot-rom/flash
code. Something which might not be true, unless you write
it yourself..

> Please Help.Thanks

/Matti Aarnio
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