[LinuxBIOS] [PATCH] Re: Interest in a Free Software BIOS for Radeon cards?

Carl-Daniel Hailfinger c-d.hailfinger.devel.2006 at gmx.net
Tue Dec 18 16:11:11 CET 2007

On 18.12.2007 15:56, Carl-Daniel Hailfinger wrote:
> Add support for reading the AMD/ATI RV630 graphics chipset flash ROM.
> Needs a board enable command line option (flashrom -m AMDATI:RV630)
> Works with RV630, but BAR addresses have to be fixed up.
> A timing issue causes all reads to be right-shifted by one bit,
> resulting in the loss of the LSB.
> For better debugging, I have to know the exact model of the flash chip
> and the frequency currently on the SCK connector of the flash chip.

Easiest way to debug would be to try this against a not POSTed card
(secondary card) and then try it again when the card is POSTed. Compare
the results (including status registers). Send them to the list.


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