Re: [Gumstix-users] Overo FE - Clock wont go above 500MHz!

[Bob C. <bco...@ve...>]

http://en.wikipedia.org/wiki/BogoMips

BogoMIPS is a calculated value, see the Wikipedia article. It does not 
correspond to the processor rating in megahertz.

Bob Cochran


On 01/10/2011 02:39 PM, Tom Calef wrote:
>
> I set my boot arguments so that mpurate=600 (I think this is the max 
> spec reading all the threads on the overo fe), but when I check the 
> speed, I get the following
>
> root@omap3evm:~# cat /proc/cpuinfo
>
> Processor            : ARMv7 Processor rev 3 (v7l)
>
> *BogoMIPS           : 499.92*
>
> Features              : swp half thumb fastmult vfp edsp thumbee neon 
> vfpv3
>
> CPU implementer            : 0x41
>
> CPU architecture: 7
>
> CPU variant        : 0x1
>
> CPU part              : 0xc08
>
> CPU revision      : 3
>
> Hardware            : Gumstix Overo
>
> Revision               : 0020
>
> Serial                     : 0000000000000000
>
> Can someone help get me to 600MIPS?
>
> Thanks!
>
> Tom
>
> BOOTARGS AS FOLLOWS
>
> Overo # printenv
>
> bootcmd=if mmc init; then if run loadbootscript; then run bootscript; 
> else if run loaduimage; then run mmcboot; else run nandboot; fi; fi; 
> else run nandboot; fi
>
> bootdelay=5
>
> baudrate=115200
>
> loadaddr=0x82000000
>
> console=ttyS2,115200n8
>
> vram=12M
>
> dvimode=1024x768MR-16@60
>
> defaultdisplay=dvi
>
> mmcroot=/dev/mmcblk0p2 rw
>
> mmcrootfstype=ext3 rootwait
>
> nandroot=/dev/mtdblock4 rw
>
> nandrootfstype=jffs2
>
> loadbootscript=fatload mmc 0 ${loadaddr} boot.scr
>
> bootscript=echo Running bootscript from mmc ...; source ${loadaddr}
>
> loaduimage=fatload mmc 0 ${loadaddr} uImage
>
> mmcboot=echo Booting from mmc ...; run mmcargs; bootm ${loadaddr}
>
> nandboot=echo Booting from nand ...; run nandargs; nand read 
> ${loadaddr} 280000 400000; bootm ${loadaddr}
>
> dieid#=1e4e00040000000004037f680d016010
>
> ethact=smc911x-0
>
> nandargs=setenv bootargs console=${console} mpurate=${mpurate} 
> vram=${vram} mem=${sysram} omapfb.mode=dvi:${dvimode} omapfb.debug=y 
> omapdss.def_disp=${defaultdisplay} root=${nandroot} 
> rootfstype=${nandrootfstype}
>
> filesize=2D5C5C
>
> fileaddr=82000000
>
> ipaddr=10.1.55.122
>
> serverip=10.1.55.107
>
> netmask=255.255.255.0
>
> hostname=overo
>
> gatewayip=10.1.55.1
>
> ip=10.1.55.122:10.1.55.107:10.1.55.1:255.255.255.0:overo:eth0:none
>
> nfsroot=/tcalef/workdir/filesys
>
> nfsargs=setenv bootargs console=${console} root=/dev/nfs 
> rootfstype=nfs ip=${ip} nfsroot=${nfsroot} rootwait
>
> loadnfskernel=tftp ${loadaddr} uImage
>
> stdin=serial
>
> stdout=serial
>
> stderr=serial
>
> mpurate=600
>
> sysram=100M
>
> mmcargs=setenv bootargs console=ttyS2,115200n8 mpurate=600 vram=12M 
> mem=100M omapfb.mode=dvi:1024x768MR-16@60 omapfb.debug=y 
> omapdss.def_disp=dvi root=/dev/mmcblk0p2 rw rootfstype=ext3 rootwait
>
>
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