[linux-cirrus] Re: Anybody got PCMCIA running on EP9315?
- From: Robert Whaley <rwhaley@xxxxxxxxxxxxxxx>
- To: linux-cirrus@xxxxxxxxxxxxx
- Date: Fri, 10 Jun 2005 16:28:16 -0400
Michael Burian wrote:
Robert Whaley wrote:
I'm about to start on this unless someone else is already on it.
Please let me know...
That would be great - I'm interested in this driver too, but I'm to busy
with other things (CAN controller, that is) to start with it right now.
I just mounted a CF card on my board.
I've got a some clean up to do before I submit a patch.
Also, there is still a lot of work to do to have CF cards and IDE drives
work in the same kernel... (That's not a high priority for me).
I'm writing because I have a question:
In regmap.h, to allow inb and outb to work, I had to hack IO_ADDRESS
like this:
#define IO_ADDRESS(pa) \
((((pa) & 0xf0000000) == 0x80000000) ? \
(((unsigned int)pa) - IO_BASE_PHYS + IO_BASE_VIRT) : \
((unsigned int)pa))
The question is, why not use a 1-1 mapping like the PXA does? It would
avoid this hack and make life simpler in general. Is there a reason why
1-1 is not good on the EP93xx?
Perhaps I should try the 1-1 before submitting the patch. I wonder how
much stuff would break...
Robert
--
Robert Whaley
Applied Data Systems www.applieddata.net
434-244-9504 rwhaley@xxxxxxxxxxxxxxx
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