[coreboot] [patch] asus m2v: Set DDR2 voltage to 1.8V

Myles Watson mylesgw at gmail.com
Fri Nov 12 21:46:22 CET 2010


On Fri, Nov 12, 2010 at 1:42 PM, Tobias Diedrich
<ranma+coreboot at tdiedrich.de> wrote:
> Set DDR2 voltage to 1.8V
>
> The power-on default is 1.95V, set the DDR2 voltage to
> standards-conforming 1.8V.
>
> I also measured with a multimeter to confirm this.
>
> Signed-off-by: Tobias Diedrich <ranma+coreboot at tdiedrich.de>
>
> ---
>
> Index: src/mainboard/asus/m2v/romstage.c
> ===================================================================
> --- src/mainboard/asus/m2v/romstage.c.orig      2010-11-12 21:35:25.000000000 +0100
> +++ src/mainboard/asus/m2v/romstage.c   2010-11-12 21:35:42.000000000 +0100
> @@ -194,6 +194,19 @@
>                giv++;
>        }
>        it8712f_exit_conf();
> +
> +       printk(BIOS_INFO, "it8712f gpio: Setting DDR2 voltage to 1.80V\n");
Maybe this should be BIOS_SPEW.  If it's the standard, I don't think
it needs to be seen every boot.

Acked-by: Myles Watson <mylesgw at gmail.com>

Thanks,
Myles




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