[meta-ti] pandaboard not booting

[Radu Moisan]

On 09/26/2012 01:49 PM, Gary Thomas wrote:
> On 2012-09-26 04:44, Radu Moisan wrote:
>> Hi Enrico,
>> I'm not sure what are you reffering to when you say bootloader env, 
>> but here's what I get on my console:
>>
>> U-Boot SPL 2011.12-dirty (Sep 24 2012 - 17:18:42)
>> Texas Instruments OMAP4430 ES2.3
>> Bypassing DPLL failed 4a008180
>> OMAP SD/MMC: 0
>> reading u-boot.img
>> reading u-boot.img
>>
>>
>> U-Boot 2011.12-dirty (Sep 24 2012 - 17:18:42)
>>
>> CPU  : OMAP4430 ES2.3
>> Board: OMAP4 Panda
>> I2C:   ready
>> DRAM:  1 GiB
>> MMC:   OMAP SD/MMC: 0
>> Using default environment
>>
>> In:    serial
>> Out:   serial
>> Err:   serial
>> Hit any key to stop autoboot:  0
>> reading boot.scr
>>
>> ** Unable to read "boot.scr" from mmc 0:1 **
>> reading uImage
>>
>> 4176612 bytes read
>> Booting from mmc0 ...
>> ## Booting kernel from Legacy Image at 82000000 ...
>>     Image Name:   Linux-3.1.0
>>     Image Type:   ARM Linux Kernel Image (uncompressed)
>>     Data Size:    4176548 Bytes = 4 MiB
>>     Load Address: 80008000
>>     Entry Point:  80008000
>>     Verifying Checksum ... OK
>>     Loading Kernel Image ... OK
>> OK
>>
>> Starting kernel ...
>>
>> Uncompressing Linux... done, booting the kernel.
>>
>> All I did to build it, was to add meta-ti to my bblayers.conf and try 
>> bitbake with MACHINE=pandaboard. The build was screaming about some 
>> QA errors, which I had to disable to get
>> the build finish. I'm assuming those are the reason for my failure. 
>> However, I did not investigate further into these.
>
> Break into U-Boot during the boot process and show us what you get from
> the 'printenv' command.  This will show the default value of 'bootargs'
> which is what is being used since you don't have a 'boot.scr' script
>
Panda # printenv
baudrate=115200
bootcmd=if mmc rescan ${mmcdev}; then if run loadbootscript; then run 
bootscript; else if run loaduimage; then run mmcboot; fi; fi; fi
bootdelay=3
bootscript=echo Running bootscript from mmc${mmcdev} ...; source ${loadaddr}
console=ttyO2,115200n8
loadaddr=0x82000000
loadbootscript=fatload mmc ${mmcdev} ${loadaddr} boot.scr
loaduimage=fatload mmc ${mmcdev} ${loadaddr} uImage
mmcargs=setenv bootargs console=${console} vram=${vram} root=${mmcroot} 
rootfstype=${mmcrootfstype}
mmcboot=echo Booting from mmc${mmcdev} ...; run mmcargs; bootm ${loadaddr}
mmcdev=0
mmcroot=/dev/mmcblk0p2 ro
mmcrootfstype=ext4 rootwait
usbtty=cdc_acm
vram=16M

Environment size: 686/131068 bytes

Thanks,
Radu

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