Re: Booting Pandaboard from SD card

From: Samuel Stirtzel <s.stirtzel@googlemail.com>
To: barebox@lists.infradead.org
Subject: Re: Booting Pandaboard from SD card
Date: Thu, 13 Oct 2011 11:07:28 +0200	[thread overview]
Message-ID: <CAGiJk9ckVjeprWxLZ6Auebfb2HUF9jqBpPXYu-1N0SCk3NT56A@mail.gmail.com> (raw)
In-Reply-To: <CAGiJk9ePXFCwosqXUtU9yzGPmmZ5O6R_9gFtJXnJ9=DUnCpOxg@mail.gmail.com>

Pasted wrong link sorry, here is the right one:
http://www.omappedia.com/wiki/Minimal-FS_SD_Configuration

2011/10/13 Samuel Stirtzel <s.stirtzel@googlemail.com>:
> Hi,
> currently I try to get a Pandaboard to boot out of Barebox, so far I
> got Barebox up and running.
>
>
> For testing purpose I'd like to boot from a SD card, optimal would be
> if I could set up the card like the description in the Omappedia
> tutorial [1].
> Is there a tutorial how to set up barebox to boot from SD cards?
>
>
> What I already tried:
>
> In the configuration file from arch/arm/boards/panda/env is the
> description for a network boot configuration,
> I used this file to start out and wanted to boot from the barebox prompt.
>
> Barebox is build from my toolchain and i copy the MLO file, the
> barebox.bin and the bareboxenv file to the boot partition of the card.
> For convenience I currently use a precompiled MLO that has been made
> for u-boot thus I just renamed the barebox.bin file to u-boot.bin.
>
> On startup the following messages were displayed:
> -
> Texas Instruments X-Loader 1.5.1 (Sep  6 2011 - 13:37:48)
> Reading boot sector
> Loading u-boot.bin from mmc
>
>
> barebox 2011.10.0 (Oct 13 2011 - 09:45:17)
>
> Board: Texas Instrument's Panda
> PandaBoard Revision: 003
> ehci@ehci0: USB EHCI 1.00
> Malloc space: 0x8d000000 -> 0x8f000000 (size 32 MB)
> Stack space : 0x8cff8000 -> 0x8d000000 (size 32 kB)
> running /env/bin/init...
> not found
> -
> For me it looks like i forgot to copy a file or something, any advice?
>
>
> Although booting the uImage with bootm looks ok it won't work, the
> following message was displayed:
> -
> Verifying Checksum ... OK
>   Image Name:   Angstrom/2.6.35.7/omap4430-panda
>   Image Type:   ARM Linux Kernel Image (uncompressed)
>   Data Size:    3688408 Bytes =  3.5 MB
>   Load Address: 80008000
>   Entry Point:  80008000
> OK
>
> Starting kernel ...
>
> commandline: <NULL>
> arch_number: 2791
> Uncompressing Linux... done, booting the kernel.
> -
> The screen just stays blank after the last message.
> This looks to me like it is (obviously) caused by an incorrect
> environment loaded.
>
>
> Help would be appreciated.
>
> [1] http://www.omappedia.com/wiki/Minimal-FS_SD_flashing (using 2
> partitions, one for boot files and the other for the rootfs)
>
> --
> Regards
> Samuel
>


-- 
Regards
Samuel

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