From mboxrd@z Thu Jan  1 00:00:00 1970
From: michael <trimarchi@gandalf.sssup.it>
Date: Wed, 23 Apr 2008 09:05:19 +0200
Subject: [U-Boot-Users] How to set CPU speed to 266mhz s3c2410?
In-Reply-To: <1208826572.19513.6.camel@rhodan.rho>
References: <20080420222237.4AE5324657@gemini.denx.de>	<1208779508.5965.371.camel@sauron>	<Pine.LNX.4.64.0804211533140.27984@lnxricardw.se.axis.com>	<1208785463.6654.34.camel@vader.jdub.homelinux.org>
	<1208826572.19513.6.camel@rhodan.rho>
Message-ID: <480EDFAF.50007@gandalf.sssup.it>
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To: u-boot@lists.denx.de

Hi,

p wrote:
> Sorry for the newb question but I've been googling like mad and can't
> find any clues (or more likely, can't understand what I do find).
>
> I'm looking at speed.c under /cpu/arm920t/s3c24xx and thinking this is
> the business end of CPU speed setting. I've been greping the source to
> see if I can track back to something calling them that I can understand,
> but no luck.
>   
under your board/<boardname>/<boardfile>
Take for example the board/smdk2410/smdk2410.c and
change
#if FCLK_SPEED==0               /* Fout = 203MHz, Fin = 12MHz for Audio */
#define M_MDIV  0xC3
#define M_PDIV  0x4
#define M_SDIV  0x1

Regards Michael