fbcon + X Server + Cirrus/Powerstack

[Troy Benjegerdes]

> 
> It seems Troy Benjegerdes had a problem with getting the matrox (?)
> framebuffer to work with something as well, but I don't remember if that was
> as a module or if it was with the X server (my tweaked clgenfb doesn't work
> as a module, and I'm thinking it may be related to the physical address
> above, but I haven't experimented as a module recently).

ioremap is broken, at least on PReP. It works during the kernel boot-up
sequence, but not after (when you try to load a module)

> 
> Could the problem be that ioremap doesn't return the same address as passed
> into it?  It seems I remember seeing a comment or some documentation that
> indicated it was supposed to...

Not on PReP.. It's sorta confusing because the kernel is mapped at
*virtual* address 0xC0000000 and the PCI memory space is mapped at
*physical* address 0xC0000000.

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| Troy Benjegerdes    |       troy at microux.com     |    hozer at drgw.net   |
|    Unix is user friendly... You just have to be friendly to it first.  |
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