| From: | Mark Olsen |
| Date: | 28 Sep 2001 at 07:49:43 |
| Subject: | Re: Flashrom |
Hello Joseph
On 27-Sep-01, you wrote:
>> The normal way of getting the speed of the chip is by doing
>> busspeed*multiplier, in the 210MHz case it would be 60MHz*3.5
>>
>> So if it was overclocked from 160 to 210MHz, it should write the right
>> speed(210) anyway. Various coders have in the past had difficulties
>> calculating the correct value(early ADoomPPC, early ppc.library, early
>> Quake ports, etc), so it's probably a bug like that.
>
> I wrote ADoomPPC and it didn't have any trouble... ppc.library
> did. The ppc.library often returned 0 for the cpu speed, so I
> made two things to help that out as I made revisions to ADoomPPC:
> the first was a switch to force the speed to any value the user
> wanted; the second was to get the bus speed, then multiple by the
> PLL multiplier. Between the two, I haven't had any more reports
> of trouble with the cpu speed.
>
> I know you said EARLY ADoomPPC, but it still wasn't my fault; I
> shouldn't have had to add the two work-arounds. :^}
Sorry about that, it's so long time ago that I didn't remember correctly :)
Regards