[U-Boot] [PATCH v3 5/6] fdt: ARM: Add fdtcontroladdr to set device tree address in environment

[Mike Frysinger <vapier@gentoo.org>]

On Tuesday 11 October 2011 18:26:10 Simon Glass wrote:
> --- a/arch/arm/lib/board.c
> +++ b/arch/arm/lib/board.c
> 
> +/**
> + * Decode the value of an environment variable and return it.
> + *
> + * @param name		Name of environemnt variable
> + * @param base		Number base to use (normally 10, or 16 for hex)
> + * @param default_val	Default value to return if the variable is not
> + *			found
> + * @return the decoded value, or default_val if not found
> + */
> +static int getenv_int(const char *name, int base, int default_val)
> +{
> +	char tmp[64];	/* long enough for environment variables */
> +	int i = getenv_f(name, tmp, sizeof(tmp));
> +
> +	return (i > 0)
> +		? (int) simple_strtoul(tmp, NULL, base)
> +		: default_val;
> +}

pretty much everyone does this with gd->baudrate.  would make sense to put 
this into common/cmd_nvedit.c and convert all arches.
-mike
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