[LinuxBIOS] Merge complete....
yhlu
yinghailu at gmail.com
Thu Jun 23 18:25:35 CEST 2005
for AMD platform, if we do hard_reset, then will do another soft reset
in auto.c stage to make ht (freq/width) effective.
ck804 the cf9 is default enabled. We don't need to bother to enable it.
there is comment in ck804_reset.c, but i guess that is removed when
someone reiviewd my code.
YH
On 6/23/05, Stephen.Kimball at bench.com <Stephen.Kimball at bench.com> wrote:
>
> OK. Maybe I'm the only one confused but why should the hard_reset called
> from hardwaremain in C really do a soft reset. Wouldn't it be better to
> call it soft_reset? Or maybe comment the code if hard_reset needs to do
> a soft reset? And your sure the cf9 port is enabled? Right?
>
> Steve
>
> -----Original Message-----
> From: yhlu [mailto:yinghailu at gmail.com]
> Sent: Thursday, June 23, 2005 11:30 AM
> To: Kimball, Stephen
> Cc: YhLu at tyan.com; linuxbios at openbios.org
> Subject: Re: [LinuxBIOS] Merge complete....
>
> stephen,
>
> that's right.
>
> in auto.c stage, the hard reset is real one it will reset pci space
> and ht (freq/width).
> the soft reset will keep the ht (freq/width). the hard_reset is called
> when ram init exception.
>
> in the linuxbios_ram stage totally in c ( from hardwaremain, or the
> root_reset_bus) is actually a soft reset, it will keep the ht
> (freq/width)
>
> the problem i met is problem ck804 doesn't reconfig ht two times.
>
> YH
>
More information about the coreboot
mailing list