[U-Boot] [PATCH 02/19] dm: cpu: Add timebase frequency to the platdata

Auer, Lukas lukas.auer at aisec.fraunhofer.de
Wed Nov 14 21:17:40 UTC 2018


Hi Bin,

On Tue, 2018-11-13 at 00:21 -0800, Bin Meng wrote:
> This adds a timebase_freq member to the 'struct cpu_platdata', to
> hold the "timebase-frequency" value in the cpu or /cpus node.
> 
> Signed-off-by: Bin Meng <bmeng.cn at gmail.com>
> ---
> 
>  include/cpu.h | 3 +++
>  1 file changed, 3 insertions(+)
> 

Reviewed-by: Lukas Auer <lukas.auer at aisec.fraunhofer.de>

> diff --git a/include/cpu.h b/include/cpu.h
> index 367c5f4..176a276 100644
> --- a/include/cpu.h
> +++ b/include/cpu.h
> @@ -14,6 +14,8 @@
>   * @device_id:     Driver-defined device identifier
>   * @family:        DMTF CPU Family identifier
>   * @id:            DMTF CPU Processor identifier
> + * @timebase_freq: the current frequency at which the cpu timer
> timebase
> + *		   registers are updated (in HZ)

nit: Hz

Thanks,
Lukas

>   *
>   * This can be accessed with dev_get_parent_platdata() for any
> UCLASS_CPU
>   * device.
> @@ -24,6 +26,7 @@ struct cpu_platdata {
>  	ulong device_id;
>  	u16 family;
>  	u32 id[2];
> +	u32 timebase_freq;
>  };
>  
>  /* CPU features - mostly just a placeholder for now */


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