Re: [Gumstix-users] Overo fire 720Mhz CPU setting.

[INKYU SA <en...@gm...>]

Thank you, I got it.

It only works when putting on mmcargs.

Cheers.



On 28/01/11 2:50 AM, "Victhor" <vic...@gm...> wrote:

> Try adding mpurate=720 to nandargs or mmcargs, this was the only way to
> get it working here.
>> Hello, all.
>> 
>> I'm trying to set-up the Gumstix fire with 720Mhz and put "setevn mpurate
>> 720" at the u-boot stage and "saveenv".
>> 
>> Although mpurate is shown 720, it couldn't take effect my Gumsix.
>> 
>> When I looked for /proc/cpuinfo, then it said like.
>> 
>> ==============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
>> ==========================================
>> 
>> I also tempted to add the "mpurate" value to bootargs but u-boot complained
>> that "ERROR: There is a global environment variable with the same name."
>> 
>> This is my printenv output.
>> 
>> =================printenv====================
>> 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
>> nandargs=setenv bootargs console=${console} mpurate=${mpurate} vram=${vram}
>> omapfb.mode=dvi:${dvimode} omapfb.debug=y omapdss.def_disp=${defaultdisplay}
>> root=${nandroot} rootfstype=${nandrootfstype}
>> 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#=319800040000000004037f680e021016
>> bootargs=mem=240M console=ttyS2,115200n8 vram=12M
>> omapfb.mode=dvi:1024x768MR-16@60 omapfb.debug=y omapdss.def_disp=dvi
>> root=/dev/mmcblk0p2 rw rootfstype=ext3 rootwait i2c_bus=3,100
>> mmcargs=setenv bootargs mem=240M console=ttyS2,115200n8 vram=12M
>> omapfb.mode=dvi:1024x768MR-16@60 omapfb.debug=y omapdss.def_disp=dvi
>> root=/dev/mmcblk0p2 rw rootfstype=ext3 rootwait
>> stdin=serial
>> stdout=serial
>> stderr=serial
>> mpurate=720
>> =============================================
>> 
>> Is there someone who can help me set up the Gumstix as 720Mhz?
>> 
>> Cheers.
>> 
>> 
>> 
>> 
>> 
> 
> 
> 
> 
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