Beaglebone Bootloader
Angelo Fraietta
newsgroups at smartcontroller.com.au
Wed Jun 24 03:27:36 UTC 2015
I got back to my defaule beagle by reflashing. However, can someone please
email me a known working image (say hello) that can be loaded (and
preferably tested) by tftp. I need to eliminate whether it is the
executable generated by me or something else.
Thanks
On Wed, Jun 24, 2015 at 8:40 AM, Angelo Fraietta <
newsgroups at smartcontroller.com.au> wrote:
> My image is not loading.
>
> U-Boot SPL 2014.04-00014-g47880f5 (Apr 22 2014 - 13:23:54)
> reading args
> spl_load_image_fat_os: error reading image args, err - -1
> reading u-boot.img
> reading u-boot.img
>
>
> U-Boot 2014.04-00014-g47880f5 (Apr 22 2014 - 13:23:54)
>
> I2C: ready
> DRAM: 512 MiB
> NAND: 0 MiB
> MMC: OMAP SD/MMC: 0, OMAP SD/MMC: 1
> *** Warning - readenv() failed, using default environment
>
> Net: <ethaddr> not set. Validating first E-fuse MAC
> cpsw, usb_ether
> Hit any key to stop autoboot: 0
> gpio: pin 53 (gpio 53) value is 1
> Card did not respond to voltage select!
> mmc0(part 0) is current device
> Card did not respond to voltage select!
> gpio: pin 56 (gpio 56) value is 0
> gpio: pin 55 (gpio 55) value is 0
> gpio: pin 54 (gpio 54) value is 0
> mmc1(part 0) is current device
> gpio: pin 54 (gpio 54) value is 1
> SD/MMC found on device 1
> reading uEnv.txt
> 426 bytes read in 4 ms (103.5 KiB/s)
> gpio: pin 55 (gpio 55) value is 1
> Loaded environment from uEnv.txt
> Importing environment from mmc ...
> Checking if uenvcmd is set ...
> gpio: pin 56 (gpio 56) value is 1
> Running uenvcmd ...
> cpsw Waiting for PHY auto negotiation to complete. done
> link up on port 0, speed 100, full duplex
> Using cpsw device
> TFTP from server 192.168.0.25; our IP address is 192.168.0.53
> Filename '/hello'.
> Load address: 0x81000000
> Loading: #################################################################
> #################################################################
> #################################################################
> #################################################################
> #################################################################
> #################################################################
> #################################################################
> #################################################################
> #################################################################
> #################################################################
> #################################################################
> #################################################################
> #################################################################
> #################################################################
> #################################################################
> #################################################################
> #################################################################
> #################################################################
> #################################################################
> #################################################################
> #################################################################
> #################################################################
> #################################################################
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> #################################################################
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> #################################################################
> #################################################################
> #################################################################
> ###########
> 4.9 MiB/s
> done
> Bytes transferred = 33554432 (2000000 hex)
> Wrong Image Format for bootm command
> ERROR: can't get kernel image!
>
>
> uenvcmd was not defined in uEnv.txt ...
> Booting from nand ...
>
> no devices available
>
> no devices available
> Bad Linux ARM zImage magic!
> U-Boot#
>
>
> It would not load the image. So I think my image is bad. Can someone email
> me the image for the hello example for beagle already
>
> I modified the uEnv.txt on the device. Now, however, I have a beagle that
> is in the uBoot menu and I can't change the eUenv,txt because it will not
> how up as a drive because it is not booted into linux.
>
> How do I get back to beagle linux from u-boot prompt?
>
> Thanks
>
> On Tue, Jun 23, 2015 at 6:44 PM, Cláudio Silva <claudiodcsilva at gmail.com>
> wrote:
>
>> Hello Angelo,
>>
>> I am using the following script snippet to generate a u-boot bootable
>> image from an RTEMS .exe:
>> https://gist.github.com/cdcs/0c789e9aae9e79200da5
>> It essentially follows the steps described in Ben's README.
>>
>> If you are using application=/TICKER in the script, it will try to load
>> something called TICKER from the tftp root (without any extension).
>>
>> Did you try with the u-boot that comes preloaded in the BBB?
>> You can just try boot the linux version provided in the BBB's emmc and
>> then change the uEnv.txt ("/boot/uboot/uEnv.txt") to your tftp version of
>> uEnv. You shouldn't need the sdcard.
>>
>>
>> Best Regards,
>> Cláudio
>>
>> On Tue, Jun 23, 2015 at 5:59 AM Angelo Fraietta <
>> newsgroups at smartcontroller.com.au> wrote:
>>
>>> If it is any help. this is the configuration on my SDCard that loads
>>> debian linux from SDCard.
>>>
>>> ##Video: Uncomment to override:
>>> ##see:
>>> https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/tree/Documentation/fb/modedb.txt
>>> #kms_force_mode=video=HDMI-A-1:1024x768 at 60e
>>>
>>> ##Enable systemd
>>> systemd=quiet init=/lib/systemd/systemd
>>>
>>> ##BeagleBone Cape Overrides
>>>
>>> ##BeagleBone Black:
>>> ##Disable HDMI/eMMC
>>>
>>> #optargs=capemgr.disable_partno=BB-BONELT-HDMI,BB-BONELT-HDMIN,BB-BONE-EMMC-2G
>>>
>>> ##Disable HDMI
>>> #optargs=capemgr.disable_partno=BB-BONELT-HDMI,BB-BONELT-HDMIN
>>>
>>> ##WIP: v3.13+ capes..
>>> #cape=lcd4-01
>>> #cape=
>>>
>>> ##note: the eMMC flasher script relies on the next line
>>> mmcroot=UUID=8f529ad7-82d1-4d8e-91dc-31e9e2080813 ro
>>> mmcrootfstype=ext4 rootwait fixrtc
>>>
>>> ##These are needed to be compliant with Angstrom's 2013.06.20 u-boot.
>>> console=ttyO0,115200n8
>>>
>>> kernel_file=zImage
>>> initrd_file=initrd.img
>>>
>>> loadaddr=0x82000000
>>> initrd_addr=0x88080000
>>> fdtaddr=0x88000000
>>>
>>> initrd_high=0xffffffff
>>> fdt_high=0xffffffff
>>>
>>> loadkernel=load mmc ${mmcdev}:${mmcpart} ${loadaddr} ${kernel_file}
>>> loadinitrd=load mmc ${mmcdev}:${mmcpart} ${initrd_addr} ${initrd_file};
>>> setenv initrd_size ${filesize}
>>> loadfdt=load mmc ${mmcdev}:${mmcpart} ${fdtaddr} /dtbs/${fdtfile}
>>>
>>> loadfiles=run loadkernel; run loadinitrd; run loadfdt
>>> mmcargs=setenv bootargs console=tty0 console=${console} ${optargs}
>>> ${kms_force_mode} root=${mmcroot} rootfstype=${mmcrootfstype} ${systemd}
>>>
>>> uenvcmd=run loadfiles; run mmcargs; bootz ${loadaddr}
>>> ${initrd_addr}:${initrd_size} ${fdtaddr}
>>> #
>>>
>>>
>>> On Tue, Jun 23, 2015 at 12:59 PM, Angelo Fraietta <
>>> newsgroups at smartcontroller.com.au> wrote:
>>>
>>>> I can see I missed a step from Ben's tutorial where it creates the
>>>> image file.
>>>> I copied the image to tftp and it did not work
>>>>
>>>> I also tried doing out of Bens tutorial the
>>>>
>>>> dd if=bone_hello.exe-sdcard.img of=/dev/mmcblk0 bs=4096
>>>>
>>>> However, nothing was displayed on my monitor and the three LEDS lit,
>>>> followed by the light on ethernet port. It did this about three times and
>>>> then booted into normal BBB linux. It looked to me like it was resetting,
>>>> however, can't be sure.
>>>>
>>>> Is someone able to email me a working image for BBB so I can see it
>>>> that will boot.
>>>>
>>>> Thanks
>>>>
>>>> On Tue, Jun 23, 2015 at 8:46 AM, Angelo Fraietta <
>>>> newsgroups at smartcontroller.com.au> wrote:
>>>>
>>>>> Does not boot.
>>>>> I have u-boot on the SD card. I know it is being called because if I
>>>>> disconnect the ethernet, it freezes and does not boot. If I remove SDcard
>>>>> and remove ethernet, it boots normally
>>>>> I have tftp on 192.168.0.25
>>>>>
>>>>> My configuration is exactly this
>>>>>
>>>>> ### BBB : Configuration
>>>>> ipaddr=192.168.0.53
>>>>> serverip=192.168.0.25
>>>>> netmask=255.255.255.0
>>>>>
>>>>> ### XKY-OS : Configuration
>>>>> baseaddr=0x81000000
>>>>> application=/TICKER
>>>>>
>>>>> ### Boot BBB from network
>>>>> nfsargs=setenv bootargs console=${console} root=/dev/nfs
>>>>> nfsroot=${serverip}:${rootpath} rw
>>>>> ip=${ipaddr}:${serverip}:${serverip}:${netmask}::eth0:off
>>>>> xkyboot=run nfsargs; tftp ${baseaddr} ${application}; bootm ${baseaddr}
>>>>> uenvcmd=run xkyboot
>>>>>
>>>>>
>>>>> I have copied ticker.exe to root folder
>>>>> I tried
>>>>> application=/TICKER
>>>>> application=/ticker.exe
>>>>> application=/TICKER.EXE
>>>>>
>>>>> Just boots into normal regardless of what I do (except removing
>>>>> ethernet with SDCard in). Looking at U-boot in display looks the same as
>>>>> though three was no SDcard. How can I freeze screen to read what it all
>>>>> says?
>>>>>
>>>>> I tested my tftp server like this
>>>>>
>>>>> http://www.gunnalag.com/2013/08/05/how-to-test-tftp-server-from-a-client-system-in-windows/
>>>>>
>>>>> I did
>>>>> tftp -i 1923.168.0.25 get ticker.exe
>>>>>
>>>>> And it worked fine
>>>>>
>>>>> So if I am using ticker.exe, what should application=/TICKER be? Is it
>>>>> case sensitive? Does it need .exe at the end? Am I supposed to be using
>>>>> ticker.exe?
>>>>> Can someone send me an exe that does load in BBB so I can see if it is
>>>>> that loads.
>>>>>
>>>>>
>>>>> Also, I followed tutorial for installing U-boot on an SDCard which
>>>>> boots linux from SDCard and that works
>>>>>
>>>>> http://www.armhf.com/boards/beaglebone-black/bbb-sd-install/
>>>>>
>>>>>
>>>>> Any suggestions would be great
>>>>>
>>>>>
>>>>> Thanks
>>>>>
>>>>>
>>>>> On Mon, Jun 22, 2015 at 6:39 PM, Cláudio Silva <
>>>>> claudiodcsilva at gmail.com> wrote:
>>>>>
>>>>>> Hi Angelo,
>>>>>>
>>>>>> xkyboot is just a command name that is executed by uenvcmd; you can
>>>>>> name whatever you want. "XKYAPP2" is the executable name. It should placed
>>>>>> on the tftp server's root, or otherwise you need to provide the full path
>>>>>> to it.
>>>>>> Is your tftp server working correctly? Try to test from a tftp client
>>>>>> on Linux.
>>>>>>
>>>>>> Best Regards,
>>>>>> Cláudio
>>>>>>
>>>>>> On Mon, Jun 22, 2015 at 6:51 AM Angelo Fraietta <
>>>>>> newsgroups at smartcontroller.com.au> wrote:
>>>>>>
>>>>>>> I am using BBB also
>>>>>>>
>>>>>>> I have had a look at what you have provided
>>>>>>> are XKYAPP2 and xkyboot your app names?
>>>>>>>
>>>>>>> Lets say I wanted to boot ticker from tftp server (assume my tftp
>>>>>>> server has same ip address as yours)
>>>>>>>
>>>>>>> I have copied
>>>>>>> development/rtems/b-beagle/arm-rtems4.11/c/beagleboneblack/testsuites/samples/ticker/ticker.exe
>>>>>>> to the root of my tftp server
>>>>>>>
>>>>>>> I am assuming this is entire uEnv.txt What should it look like (I
>>>>>>> have provided whole of your file here). Thanks
>>>>>>>
>>>>>>>
>>>>>>> ### BBB : Configuration
>>>>>>> ipaddr=192.168.0.202
>>>>>>> serverip=192.168.0.2
>>>>>>> netmask=255.255.255.0
>>>>>>>
>>>>>>> ### XKY-OS : Configuration
>>>>>>> baseaddr=0x81000000
>>>>>>> application=/XKYAPP2
>>>>>>>
>>>>>>> ### Boot BBB from network
>>>>>>> nfsargs=setenv bootargs console=${console} root=/dev/nfs nfsroot=${serverip}:${rootpath} rw ip=${ipaddr}:${serverip}:${serverip}:${netmask}::eth0:off
>>>>>>> xkyboot=run nfsargs; tftp ${baseaddr} ${application}; bootm ${baseaddr}
>>>>>>>
>>>>>>> uenvcmd=run xkyboot
>>>>>>>
>>>>>>> On Fri, Jun 19, 2015 at 6:14 PM, Cláudio Silva <
>>>>>>> claudiodcsilva at gmail.com> wrote:
>>>>>>>
>>>>>>>> You should be able to boot RTEMS through TFTP. At least I do it in
>>>>>>>> the BBB, I assume the white version should work as well. You just have to
>>>>>>>> change uboot configuration and setup a tftp server.
>>>>>>>>
>>>>>>>> My current uboot configuration is the following:
>>>>>>>> https://gist.github.com/cdcs/76c4dd49c2d574bd68cc
>>>>>>>>
>>>>>>>> Cláudio
>>>>>>>>
>>>>>>>> On Fri, Jun 19, 2015 at 5:57 AM Chris Johns <chrisj at rtems.org>
>>>>>>>> wrote:
>>>>>>>>
>>>>>>>>> On 19/06/2015 1:56 pm, Angelo Fraietta wrote:
>>>>>>>>> > Those links I posted -- do any of them work with RTEMS?
>>>>>>>>> >
>>>>>>>>>
>>>>>>>>> I do not know. I have no interested uboot. Maybe someone else
>>>>>>>>> knows.
>>>>>>>>>
>>>>>>>>> Chris
>>>>>>>>> _______________________________________________
>>>>>>>>> users mailing list
>>>>>>>>> users at rtems.org
>>>>>>>>> http://lists.rtems.org/mailman/listinfo/users
>>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>
>>>>
>>>
>
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