[LinuxBIOS] Athlon64 939

YhLu YhLu at tyan.com
Thu Mar 31 05:03:22 CEST 2005


The Athlon 64 939 support dual channel.

but in the test in s2865 with d0 Athlon64 939 in LinuxBIOS, it only work
with one DIMM in socket 1.

weird....

the same code with Opteron d0 ....

YH

> -----Original Message-----
> From: YhLu 
> Sent: Wednesday, March 30, 2005 3:09 PM
> To: ebiederman at lnxi.com; Kevin O'Connor
> Cc: linuxbios at openbios.org
> Subject: RE: [LinuxBIOS] Re: Error in compiling STPC Consumer
> 
> Eric,
> 
> the code in raminit.c is_opteron will treat my athlon 64 
> (939) as Opteron too.
> 
> YH
> 
> static int is_opteron(const struct mem_controller *ctrl) {
>         /* Test to see if I am an Opteron.  
>          * FIXME Testing dual channel capability is correct for now
>          * but a beter test is probably required.
>          */
> #warning "FIXME implement a better test for opterons"
>         uint32_t nbcap;
>         nbcap = pci_read_config32(ctrl->f3, NORTHBRIDGE_CAP);
>         return !!(nbcap & NBCAP_128Bit); }
> 
> 
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> 




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