[U-Boot] Unable to boot the new FIT image

Simon Glass sjg at chromium.org
Tue May 20 06:23:39 CEST 2014


Hi,

On May 19, 2014 1:32 PM, "KJ H. Kiran" <kj.h.kiran at us.abb.com> wrote:
>
> Hi Simon and Jagan,
>
> Thanks for the help. I tried your suggestions but still I could not able
to boot up my device.
> Here is what I tried:
> 1) Applied the patch from Simon's email (
http://patchwork.ozlabs.org/patch/339609/)

I think you need at least the next patch in that series.

> 2) Compiled the u-boot with my public key signed device tree of U-boot
> harsha at harshakiran_kasha:/abb/Experiments/u-boot$ sudo make ARCH=arm
CROSS_COMPILE=/abb/compilers/gcc-linaro-arm-linux-gnueabihf-4.7-2013.04-20130415_linux/bin/arm-linux-gnueabihf-
-j8 DEV_TREE_DTB=./am335x-evmsk-pubkey.dtb
>
> Please find attached log in the txt file attached. I got the MLO,
u-boot.img, u-boot.bin, u-boot-dtb.bin binaries.
>
> 3) Copied the MLO, u-boot.bin and u-boot-dtb.bin and the FIT image into
the SD card. This was the response:
>
> U-Boot SPL 2014.07-rc1 (May 19 2014 - 13:17:49)
> reading u-boot.img
> spl_load_image_fat: error reading image u-boot.img, err - -1
> ### ERROR ### Please RESET the board ###
>
> 4) Second time , I copied MLO, u-boot.img, u-boot-dtb.bin and FIT image.
This was the response:
> U-Boot SPL 2014.07-rc1 (May 19 2014 - 13:17:49)
> reading u-boot.img
> reading u-boot.img
> No valid FDT found - please append one to U-Boot binary, use
u-boot-dtb.bin or define CONFIG_OF_EMBED. For sandbox, use -d <file
> .dtb>
> ### ERROR ### Please RESET the board ###
>
> 5) Since I added the CONFIG's to support the FIT, I was thinking even the
u-boot.img expects a fdt binary. That’s the reason even the u-boot.img
didn’t work.!
>
> 6) I commented out the CONFIGs from the am335x_evm.h file and compiled
again. This time I loaded the MLO , u-boot.img, u-boot.dtb.bin and FIT just
to check and follow jagan's suggestions..
>
> I was able to successfully load MLO and U-boot and came to the u-boot#
prompt.
> ....
> U-Boot# fatload mmc 0 ${TEXTBASE} u-boot-dtb.bin
> reading zImage
> ** Unable to read file zImage **
> U-Boot# fatload mmc0
> ** No device specified **
> U-Boot# fatload mmc0 u-boot-dtb.bin
> ** Bad device specification mmc0 u-boot-dtb.bin **
> U-Boot# fatload mmc 0 ${TEXTBASE} u-boot-fdt.bin
> reading zImage
> ** Unable to read file zImage **
> U-Boot#
> U-Boot#
> U-Boot#
>
> Please let me know if I am still missing anything.
>
> Thanks,
> Harsha kiran
>
>
>
>
>
> -----Original Message-----
> From: sjg at google.com [mailto:sjg at google.com] On Behalf Of Simon Glass
> Sent: Monday, May 19, 2014 10:43 AM
> To: Jagan Teki
> Cc: KJ H. Kiran; u-boot at lists.denx.de; trini at ti.com
> Subject: Re: [U-Boot] Unable to boot the new FIT image
>
> +Tom
>
> On 19 May 2014 07:39, Jagan Teki <jagannadh.teki at gmail.com> wrote:
> >
> > On Mon, May 19, 2014 at 10:06 AM, KJ H. Kiran <kj.h.kiran at us.abb.com>
wrote:
> > >
> > > Hi ,
> > >
> > >
> > > I am trying to make a eval board from TI to boot it with the new FIT
image format.
> > >
> > >
> > > I have followed the below procedure but iam getting the "No valid FDT
found - please append one to U-Boot binary, use u-boot-dtb.bin or define
CONFIG_OF_EMBED." error message. Cannot find out what is the exact problem.
> > >
> >
> > This shouldn't be an issue with FIT - issue with booting u-boot fdt
> > bin
> >
> > Just for FIT work usage - try to boot with u-boot.bin (fdt less u-boot
> > bin) So-that you can end up with normal u-boot booting.
> >
> > On u-boot prompt and load u-boot-fdt.bin with TEXTBASE then load
> > u-boot> fatload mmc 0 ${TEXTBASE} u-boot-fdt.bin go ${TEXTBASE}
> >
> > ------ fdt u-boot boot prompt>
> > u-boot> fatload mmc 0 ${LOADADDR} kernel_fdt.itb bootm ${LOADADDR}
> > .....
> >
> > Please send output log for this.
>
> I hit this problem myself and posted this patch and the following series:
>
> http://patchwork.ozlabs.org/patch/339609/
>
> I heard from one person that it didn't work for them, but I haven't got
back to it yet. Still, it might help you. There was a problem with the hash
pushing out the end of the image.
>
> >
> >
> > >
> > > U-Boot Source:
> > >
> > > The latest source code from denx.
> > >
> > >  patman: Suppress duplicate signoffs only for real patches on
> > > 05/17/2014
> > >
> > >
> > > Procedure:
> > >
> > > Followed the exact same process mentioned in
> > >
> > > http://www.denx.de/wiki/pub/U-Boot/MiniSummitELCE2013/U-Boot_verifie
> > > d_RSA_boot_flow_on_arm_target.pdf
> > >
> > >
> > > I created a device tree and was able to generate a u-boot-dtb.bin
file.
> > >
> > >
> > > SD CARD:
> > >
> > > 1) copied the MLO in /boot
> > >
> > > 2) copied the u-boot-dtb.bin in /boot
> > >
> > > 3) coped the kernel_fdt.itb file
> > >
> > > 4) uEnv has
> > >
> > > console=ttyO0,115200n8
> > > fitfdt=/boot/kernel_fdt.itb
> > > setenv loadaddr 0x82000000; run mmcargs; ext2load mmc ${mmcdev}:2
> > > ${loadaddr} ${fitfdt};
> > >
> > >
> > > I loaded the u-boot-dtb.bin file but it still complains ! Not much
> > > help form the forums/internet
> > >
> > >
> > > Please let me know if i missed anything here.
> >
> >
> > thanks!
> > --
> > Jagan.
>
>
>
> Regards,
> Simon


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