[U-Boot] [PATCH v2 1/3] arm: add CONFIG_MACH_TYPE setting and documentation

[Igor Grinberg]

Hi Albert,


Do you plan on including this in the current merge window?



On 07/14/11 18:45, Igor Grinberg wrote:

> CONFIG_MACH_TYPE is used to set the machine type number in the
> common arm code instead of setting it in the board code.
> Boards with dynamically discoverable machine types can still set the
> machine type number in the board code.
>
> Signed-off-by: Igor Grinberg <grinberg at compulab.co.il>
> ---
> v2:	Document the option as mandatory.
> 	Move the bi_arch_number setting to board_init_f()
>
>  README               |   10 ++++++++++
>  arch/arm/lib/board.c |    4 ++++
>  2 files changed, 14 insertions(+), 0 deletions(-)
>
> diff --git a/README b/README
> index 446966d..0b6802d 100644
> --- a/README
> +++ b/README
> @@ -442,6 +442,16 @@ The following options need to be configured:
>  		crash. This is needed for buggy hardware (uc101) where
>  		no pull down resistor is connected to the signal IDE5V_DD7.
>  
> +		CONFIG_MACH_TYPE	[relevant for ARM only][mandatory]
> +
> +		This setting is mandatory for all boards that have only one
> +		machine type and must be used to specify the machine type
> +		number as it appears in the ARM machine registry
> +		(see http://www.arm.linux.org.uk/developer/machines/).
> +		Only boards that have multiple machine types supported
> +		in a single configuration file and the machine type is
> +		runtime discoverable, do not have to use this setting.
> +
>  - vxWorks boot parameters:
>  
>  		bootvx constructs a valid bootline using the following
> diff --git a/arch/arm/lib/board.c b/arch/arm/lib/board.c
> index 169dfeb..9901694 100644
> --- a/arch/arm/lib/board.c
> +++ b/arch/arm/lib/board.c
> @@ -281,6 +281,10 @@ void board_init_f (ulong bootflag)
>  
>  	gd->mon_len = _bss_end_ofs;
>  
> +#ifdef CONFIG_MACH_TYPE
> +	gd->bd->bi_arch_number = CONFIG_MACH_TYPE; /* board id for Linux */
> +#endif
> +
>  	for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
>  		if ((*init_fnc_ptr)() != 0) {
>  			hang ();

-- 
Regards,
Igor.