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List:       linux-arm-kernel
Subject:    Re: Direct-mapped Compact Flash on ARM9
From:       Kenneth Crudup <kenny () panix ! com>
Date:       2004-07-01 21:49:52
Message-ID: Pine.LNX.4.60.0407011429310.26924 () Dell8K ! localdomain
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On Thu, 1 Jul 2004, James Graves wrote:

> I should have mentioned that I'm trying to interface to an I/O card
> (specifically a wireless LAN card).

Oh- that changes things a bit. I ran into a problem of a lazy board
designer- CF storage-based cards only need 3 bits of address bus, so
that's all they hooked in. I have a D-Link CF WLAN card that's got a
0x40-wide address space, so I couldn't write a driver for it.

If your HW designer never expected to use anything but CF (or copied the
Sharp eval board), you might not have any address bus lines but A0-A2.

	-Kenny

-- 
Kenneth R. Crudup  Sr. SW Engineer, Scott County Consulting, Los Angeles
H: 3630 S. Sepulveda Blvd. #138, L.A., CA 90034-6809      (888) 454-8181

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