[U-Boot] [PATCH v1 1/4] arm: socfpga: stratix10: Add macros for mailbox's arguments

[Marek Vasut]

On 10/05/2018 07:12 PM, chee.hong.ang at intel.com wrote:
> From: "Ang, Chee Hong" <chee.hong.ang at intel.com>
> 
> Add macros for specifying number of arguments in mailbox command.
> 
> Signed-off-by: Ang, Chee Hong <chee.hong.ang at intel.com>
> ---
>  arch/arm/mach-socfpga/include/mach/mailbox_s10.h | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/arch/arm/mach-socfpga/include/mach/mailbox_s10.h b/arch/arm/mach-socfpga/include/mach/mailbox_s10.h
> index 660df35..94f60aa 100644
> --- a/arch/arm/mach-socfpga/include/mach/mailbox_s10.h
> +++ b/arch/arm/mach-socfpga/include/mach/mailbox_s10.h
> @@ -107,6 +107,12 @@ enum ALT_SDM_MBOX_RESP_CODE {
>  #define RECONFIG_STATUS_PIN_STATUS			2
>  #define RECONFIG_STATUS_SOFTFUNC_STATUS			3
>  
> +/* Macros for specifying number of arguments in mailbox command */
> +#define MBOX_NUM_ARGS(n, b)				((n & 0xFF) << b)

(n) and (b)

> +#define MBOX_DIRECT_COUNT(n)				MBOX_NUM_ARGS(n, 0)

(n) , fix globally

> +#define MBOX_ARG_DESC_COUNT(n)				MBOX_NUM_ARGS(n, 8)
> +#define MBOX_RESP_DESC_COUNT(n)				MBOX_NUM_ARGS(n, 16)
> +
>  #define MBOX_CFGSTAT_STATE_IDLE				0x00000000
>  #define MBOX_CFGSTAT_STATE_CONFIG			0x10000000
>  #define MBOX_CFGSTAT_STATE_FAILACK			0x08000000
> 


-- 
Best regards,
Marek Vasut