[LinuxBIOS] Flashrom is not detecting 2MiB flash

Bari Ari bari at onelabs.com
Wed Sep 6 17:16:12 CEST 2006

Stefan Reinauer wrote:
> * Alan Carvalho de Assis <acassis at gmail.com> [060906 13:42]:
>>     You are going to run into issues with the VT8237 accessing  address
>>     space with block locking registers in the SST49LF160C or SST49LF016C.
>> Sure, the original MB flash part is 256KB, but I see it detect 512KB flashes
>> too.
> The LF160 is 2048KB, right? So on the VT8237 you see maximum 1/4 of the
> flash.
The VT8237 has a 4MB FWH/LPC address range.

The SST 49LF devices have control registers located outside of the 
address range of the 8237.

There are work-arounds that require the programming guide.


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