MDIO clock speed computation

[Pavel Bartusek]

Jean-Denis Boyer wrote:

>>Will this work for all cases? :
>>
>>((((bd->bi_intfreq + 4999999) / 2500000) / 2 ) & 0x3F ) << 1;
>>
>
>I hope so ;-)
>
Because hoping is not enough, I wrote a little brute force program for testing (see attachment).
The algorithm above is OK :-) It produces MDIO frequencies from 1.875MHz to 2.5 MHz.

BTW: Wolfgang, similar problem is in the PPCboot.

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|                          Pavel Bartusek                            |
|                                                                    |
| Sysgo RTS GmbH,                     phone: +49 (0) 6136 9948-722   |
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| Germany                                                            |
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