Re: [coreboot] Intel 8xx northbridge ram init is wrong

[Joseph Smith]

On Tue, 02 Jun 2009 18:00:53 +0200, Stefan Reinauer 
wrote:
> On 02.06.2009 17:13 Uhr, Joseph Smith wrote:
> > Hello,
> > Was anyone aware we are doing the do_ram_command() wrong on the i8xx
> > nothbridges?
> > We are sending the ram commands to all memory and doing our dummy reads
>
> at
> > the end.
> > I just found an Intel doc that says we are supposed to do all the ram
> > commands to each row of memory.
>
> ...
> > I will work on a patch for the i830, we should probibly fix this on the
> > other Intle northbridges.
>
> Check the i945 code for an example on how to do it... older chipsets
> might/might not be different...

Would it be different for SDRAM vs DDR ?