[U-Boot-Users] AT91RM9200 Errata (Was: CSB637 support - big bug..)

Steven Scholz steven.scholz at imc-berlin.de
Wed Aug 24 11:01:30 CEST 2005


Patrick,

>>This is not the main problem however,
>>
>>In the AT91RM9200 initialisation code, PMC_MCKR is written incorrectly. 
>>This register *MUST* be written in two separate steps (see the errata
>>sheet
>>for the AT91RM9200 for more details).
>>In my case i write 0x201, followed by 0x202.

How did you do that?
Do you wait some time between the first and the second write?

--
Steven





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