Re: Linear flash card support?

"M. Warner Losh" <[email protected]>
Newsgroups gmane.os.freebsd.devel.mobile
Message-ID <[email protected]>
In message: <[email protected]>
            Bruce M Simpson <[email protected]> writes:
: Has anybody revisited the subject of linear flash/sram card support?

Not in years.

: I seem to see an old thread from 2000. Cut a long story short, I have
: a need to write to such devices.

I see.

: I could hack together a lame, blocking, character device with a few
: non-standard ioctls to be able to write to the card quickly using dd,
: that's all I need right now.

Need hot-swap?

Outline of what to hack:

1) hack the pcic bridge code to not reject memory cards (linear flash
   show up as memory cards, at least the ones I have do).
2) hack the pcic bridge code to do the right thing wrt memory cards.
3) write a client driver.

1 & 2 may be hard, but #3 shouldn't be too bad if you have decent docs
for your linear cards.

Warner

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