From: dtran11 <dt...@gm...> - 2010-09-21 15:45:41
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I did a saveenv in u-boot and I still get the crc error in linux. Do I need to recompile these uboot tools? Víctor Andrés wrote: > > Hello. > > I have done that, from u-boot, saveenv. Then the warning message disapear, > and from the linux you can list all u-boot variables: > root@overo:~# fw_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 > mpurate=500 > vram=12M > dvimode=1024x768MR-16@60 > defaultdisplay=dvi > mmcroot=/dev/mmcblk0p2 rw > mmcrootfstype=ext3 rootwait > nandroot=/dev/mtdblock4 rw > nandrootfstype=jffs2 > mmcargs=setenv bootargs console=${console} mpurate=${mpurate} vram=${vram} > omapfb.mode=dvi:${dvimode} omapfb.debug=y > omapdss.def_disp=${defaultdisplay} > root=${mmcroot} rootfstype=${mmcrootfstype} > nandargs=setenv bootargs console=${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} > stdin=serial > stdout=serial > stderr=serial > dieid#=1ad600040000000004035c141801e006 > But If I try to set a new value of 'bootdelay', for example, I get the > follow messages: > root@overo:~# fw_printenv bootdelay > bootdelay=5 > root@overo:~# fw_setenv bootdelay 4 > Unlocking flash... > Done > Erasing old environment... > Done > Writing environment to /dev/mtd2... > CRC write error on /dev/mtd2: Invalid argument > Error: can't write fw_env to flash > > > Thanks! > Víctor Andrés > > > > ------------------------------------------------------------------------------ > Start uncovering the many advantages of virtual appliances > and start using them to simplify application deployment and > accelerate your shift to cloud computing. > http://p.sf.net/sfu/novell-sfdev2dev > _______________________________________________ > gumstix-users mailing list > gum...@li... > https://lists.sourceforge.net/lists/listinfo/gumstix-users > > -- View this message in context: http://old.nabble.com/change-uboot-environment-variables-in-linux-tp29763351p29770720.html Sent from the Gumstix mailing list archive at Nabble.com. |