[U-Boot] hush saveenv problem
Simon Glass
sjg at chromium.org
Tue Feb 7 21:50:51 CET 2012
Hi,
On Tue, Feb 7, 2012 at 8:12 AM, Alex Zeffertt
<azeffertt at cambridgesys.com> wrote:
> Hi list,
>
> I've enabled hush on my openrd based board because I need the "test"
> command to choose how to boot (see patch below).
>
> When I start u-boot for the first time I get the expected
>
> "*** Warning - bad CRC, using default environment"
>
> output, and everything works fine. However, if I run "saveenv" and
> then power cycle the board it hangs with no output.
> I have checked that "saveenv" does create a default environment at
> 0x60000 exactly as expected (i.e. it places a 4 byte CRC followed by a
> load of ASCII characters.)
> I have also checked that no u-boot code between 0x0 and 0x60000 gets altered.
>
> I have no idea why hush + saveenv causes the board to hang at the next
> power cycle. This problem only occurs when the hush shell is
> configured.
>
> Thanks in advance for any help,
Just a thought - hush does increase the size of U-Boot. Perhaps you
are going beyond available space?
Regards,
Simon
>
> Alex Zeffertt
>
>
> ----------------------------------------------------------
> diff --git a/include/configs/mv-common.h b/include/configs/mv-common.h
> index 3f5fcc6..c859744 100644
> --- a/include/configs/mv-common.h
> +++ b/include/configs/mv-common.h
> @@ -84,6 +84,8 @@
> #define CONFIG_INITRD_TAG 1 /* enable INITRD tag */
> #define CONFIG_SETUP_MEMORY_TAGS 1 /* enable memory tag */
>
> +#define CONFIG_SYS_HUSH_PARSER 1 /* use "hush" command
> parser */
> +#define CONFIG_SYS_PROMPT_HUSH_PS2 "> "
> #define CONFIG_SYS_PROMPT "Marvell>> " /* Command Prompt */
> #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buff Size */
> #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE \
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