[LinuxBIOS] [PATCH] enable fidvid on asus a8v-e se

Uwe Hermann uwe at hermann-uwe.de
Tue Nov 13 16:43:07 CET 2007

On Fri, Nov 09, 2007 at 11:03:07PM +0100, Rudolf Marek wrote:
> Hello,
> Following patch (fidvid.patch) adds support for FID/VID changes messages. 
> Upon incoming SMAF message from CPU (C3 or FID/VID change), the SB will 
> assert SLP# which is connected to LDTSTOP_L on K8 CPUs. Question is for how 
> long. Imho for 100us. Which is more than plenty (2us required) I will try 
> to justify this once I know what bios to set in SB.
> Signed-off-by: Rudolf Marek <r.marek at assembler.cz>

Thanks, r2965.

I only committed the first patch for now; is the second one ready for
being committed too or is it work in progress? Does it work?

> Index: mainboard/asus/a8v-e_se/cache_as_ram_auto.c
> ===================================================================
> --- mainboard/asus/a8v-e_se/cache_as_ram_auto.c	(revision 2953)
> +++ mainboard/asus/a8v-e_se/cache_as_ram_auto.c	(working copy)
> @@ -309,6 +309,12 @@
>  #endif
>  	init_timer();
>  	ht_setup_chains_x(sysinfo);	// it will init sblnk and sbbusn, nodes, sbdn
> +
> +#if K8_SET_FIDVID == 1
> +        enable_fid_change();
> +        init_fidvid_bsp(bsp_apicid);
> +#endif

I dropped the '#if' part, the whole file where those two functions are
defined is placed in a '#if K8_SET_FIDVID == 1'. Either way, your board
sets K8_SET_FIDVID to 1, so it doesn't really matter.

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