[U-Boot] [PATCH 3/5] ls102xa: Enable snoop and DVM message requests.

[York Sun]

On 12/04/2015 10:59 PM, Yuan Yao wrote:
> Signed-off-by: Yuan Yao <yao.yuan at freescale.com>
> ---
> 
>  arch/arm/cpu/armv7/ls102xa/soc.c | 8 +++++++-
>  1 file changed, 7 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/arm/cpu/armv7/ls102xa/soc.c b/arch/arm/cpu/armv7/ls102xa/soc.c
> index 6036473..97ba6d5 100644
> --- a/arch/arm/cpu/armv7/ls102xa/soc.c
> +++ b/arch/arm/cpu/armv7/ls102xa/soc.c
> @@ -40,8 +40,14 @@ int arch_soc_init(void)
>  
>  	/*
>  	 * Enable snoop requests and DVM message requests for
> -	 * Slave insterface S4 (A7 core cluster)
> +	 * All the slave insterfaces.
>  	 */
> +	out_le32(&cci->slave[0].snoop_ctrl,
> +		 CCI400_DVM_MESSAGE_REQ_EN | CCI400_SNOOP_REQ_EN);
> +	out_le32(&cci->slave[1].snoop_ctrl,
> +		 CCI400_DVM_MESSAGE_REQ_EN | CCI400_SNOOP_REQ_EN);
> +	out_le32(&cci->slave[2].snoop_ctrl,
> +		 CCI400_DVM_MESSAGE_REQ_EN | CCI400_SNOOP_REQ_EN);
>  	out_le32(&cci->slave[4].snoop_ctrl,
>  		 CCI400_DVM_MESSAGE_REQ_EN | CCI400_SNOOP_REQ_EN);
>  
> 

Yuan,

I'm not sure both snoop request and DVM are supported on every port. Do you need
to check them before setting?

York