[U-Boot-Users] Flash Replacement for AT91RM9200-EK
Liu Dave-r63238
DaveLiu at freescale.com
Fri Aug 18 11:06:12 CEST 2006
> > Generally, the processor will use the slowest access time
> to fetch the
> > boot code when it come out of the reset state.
> > So, are you sure the default MCLK is 60MHz/4? You look up the
> > datasheet about What is the defaut MCLK's freq? of cause, you can
> > measure it directly.
> >
> > -Dave
> >
> Hello Dave,
> i am not shure, what the exact clocking rate is.
> All i know is, that there is a "slow clock" at 32768Hz and a
> "fast clock" at 18.432MHz connected.
> The first Opcode fetches after Reset seem to be clocked with
> the "slow clock" and now the Initialization by U-Boot sets up
> the timing of the EBI - but what timing is selected for the
> parallel Flash ?
>
> THX
> Thomas
>
Please see the source code. It should be at <board>.h.
-Dave
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