From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from out002.atlarge.net (out002.atlarge.net [129.41.63.60]) by ozlabs.org (Postfix) with ESMTP id 925E6DDDE9 for ; Wed, 7 Mar 2007 18:03:03 +1100 (EST) Date: Wed, 7 Mar 2007 08:02:58 +0100 From: Domen Puncer To: u-boot-users@lists.sourceforge.net Subject: [RFC PATCH] icecube/lite5200b: fix OF_TBCLK (timebase-frequency) calculation Message-ID: <20070307070258.GA4397@moe.telargo.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: linuxppc-embedded@ozlabs.org List-Id: Linux on Embedded PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , I tracked jiffies (on Linux) incrementing twice as fast on lite5200b to this ("timebase-frequency" property). G2 core reference manual says decrementer and time base are decreasing/increasing once every 4 bus clock cycles. Was there a reason this was busfreq/8? Domen --- include/configs/IceCube.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) Index: u-boot.git/include/configs/IceCube.h =================================================================== --- u-boot.git.orig/include/configs/IceCube.h +++ u-boot.git/include/configs/IceCube.h @@ -182,7 +182,7 @@ #define OF_CPU "PowerPC,5200@0" #define OF_SOC "soc5200@f0000000" -#define OF_TBCLK (bd->bi_busfreq / 8) +#define OF_TBCLK (bd->bi_busfreq / 4) #define OF_STDOUT_PATH "/soc5200@f0000000/serial@2000" /*