[U-Boot] [PATCH] Move ICS CLK chip frequenty calculation code into a common board library

[Timur Tabi]

On Fri, May 21, 2010 at 4:18 AM, Kumar Gala <galak at kernel.crashing.org> wrote:

> +        * Adding 1 to get a "nicely" rounded number, but this needs
> +        * more tweaking to get a "properly" rounded number.
> +        */
> +
> +       freq = 1 + (input_freq * 2 * (VDW + 8) / ((RDW + 2) * OD));

Is this rounding algorithm the reason why I get output like this:

Clock Configuration:
       CPU0:799.992 MHz, CPU1:799.992 MHz,
       CCB:399.996 MHz,
       DDR:299.997 MHz (599.994 MT/s data rate) (Asynchronous), LBC:25
  MHz

If so, maybe we should fix it?

-- 
Timur Tabi
Linux kernel developer at Freescale