On 15.09.2010 02:06, David Hendricks wrote:
> On Tue, Sep 14, 2010 at 4:59 PM, Carl-Daniel Hailfinger <
> [email protected]> wrote:
>
>   
>> ICH SPI has the ability to restrict SPI read/write accesses to a given
>> address range. The low end of the range is configurable by the BIOS (and
>> by flashrom if the BIOS didn't lock down the flash interface), the high
>> end of the range is 0xffffff (2^24-1).
>> This patch checks for an address range restriction and uses the low end
>> of the allowed range as base for SPI reads. A similar workaround for
>> REMS/RES opcodes has been committed in r500.
>>
>> This fixes read on the Intel D945GCLF mainboard where the stock BIOS
>> enforces a restricted address range.
>> Please note that writes need the same fix, but for architectural reasons
>> that fix will be merged once partial write is available.
>>
>> Signed-off-by: Carl-Daniel Hailfinger <[email protected]>
>>     
> I applied and tested the patch with positive results:
> http://paste.flashrom.org/view.php?id=79
>
> Acked-by: David Hendricks <[email protected]>
>   

Thanks for the review and test, committed in r1170.

Regards,
Carl-Daniel

-- 
http://www.hailfinger.org/


_______________________________________________
flashrom mailing list
[email protected]
http://www.flashrom.org/mailman/listinfo/flashrom

Reply via email to