[U-Boot] [PATCH v6 3/4] OMAP: networking support for SPL

[Tom Rini]

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On 09/17/12 13:26, Ilya Yanok wrote:
> This patch adds support for networking in SPL. Some devices are 
> capable of loading SPL via network so it makes sense to load the 
> main U-Boot binary via network too. This patch tries to use 
> existing network code as much as possible. Unfortunately, it
> depends on environment which in turn depends on other code so SPL
> size is increased significantly. No effort was done to decouple
> network code and environment so far.
> 
> Signed-off-by: Ilya Yanok <ilya.yanok at cogentembedded.com>
[snip]
> diff --git a/include/config_uncmd_spl.h
> b/include/config_uncmd_spl.h new file mode 100644 index
> 0000000..8ad6045 --- /dev/null +++ b/include/config_uncmd_spl.h @@
> -0,0 +1,24 @@ +/* + * We don't use any commands in SPL, but generic
> networking code + * has some features enabled/disabled based on
> CONFIG_CMD_* + * options. As we want a minimal set of features
> included + * into network SPL image, we undefine some config
> options here. + */ + +#ifndef __CONFIG_UNCMD_SPL_H__ +#define
> __CONFIG_UNCMD_SPL_H__ + +#ifdef CONFIG_SPL_BUILD +/* SPL needs
> only BOOTP + TFTP so undefine other stuff to save space */ +#undef
> CONFIG_CMD_CDP +#undef CONFIG_CMD_DHCP +#undef CONFIG_CMD_DNS 
> +#undef CONFIG_CMD_LINK_LOCAL +#undef CONFIG_CMD_NFS +#undef
> CONFIG_CMD_PING +#undef CONFIG_CMD_RARP +#undef CONFIG_CMD_SNTP 
> +#undef CONFIG_CMD_TFTPPUT +#undef CONFIG_CMD_TFTPSRV +#endif /*
> CONFIG_SPL_BUILD */ +#endif /* __CONFIG_UNCMD_SPL_H__ */

Please add a GPLv2+ header to the file, thanks.

> diff --git a/lib/vsprintf.c b/lib/vsprintf.c index e38a4b7..6bb819c
> 100644 --- a/lib/vsprintf.c +++ b/lib/vsprintf.c @@ -784,7 +784,7
> @@ void panic(const char *fmt, ...) vprintf(fmt, args); 
> putc('\n'); va_end(args); -#if defined (CONFIG_PANIC_HANG) +#if
> defined (CONFIG_PANIC_HANG) || defined(CONFIG_SPL_BUILD) hang(); 
> #else udelay (100000);	/* allow messages to go out */

Oh no, this change...  Do we still really need this?

> diff --git a/net/tftp.c b/net/tftp.c index 59a8ebb..baba8f3 100644 
> --- a/net/tftp.c +++ b/net/tftp.c @@ -7,6 +7,10 @@ */
> 
> #include <common.h> +#ifdef CONFIG_SPL_BUILD +#undef
> CONFIG_CMD_TFTPPUT +#undef CONFIG_CMD_TFTPSRV +#endif #include
> <command.h> #include <net.h> #include "tftp.h"

Missed this.

Also I saw a few manual inclusions of <config_uncmd_spl.h>, please fix
those since mkconfig adds it always.  Thanks.

- -- 
Tom

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