[U-Boot] [PATCH] arm: ls102xa: enable snooping for CAAM transactions

[York Sun]

On 09/16/2015 03:22 AM, Horia Geantă wrote:
> Enable snooping for CAAM read & write transactions by
> programming the SCFG snoop configuration register:
> SCFG_SNPCNFGCR[SECRDSNP]
> SCFG_SNPCNFGCR[SECWRSNP]
> 
> Signed-off-by: Horia Geantă <horia.geanta at freescale.com>
> Reviewed-by: Zhengxiong Jin <Jason.Jin at freescale.com>

The Reviewed-by signature should be added by reviewer or maintainer.

> ---
>  arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h | 1 +
>  board/freescale/ls1021aqds/ls1021aqds.c           | 2 ++
>  board/freescale/ls1021atwr/ls1021atwr.c           | 2 ++
>  3 files changed, 5 insertions(+)
> 
> diff --git a/arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h b/arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h
> index 60aa0d3b6f43..fbd06bafce31 100644
> --- a/arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h
> +++ b/arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h
> @@ -144,6 +144,7 @@ struct ccsr_gur {
>  };
>  
>  #define SCFG_ETSECDMAMCR_LE_BD_FR	0x00000c00
> +#define SCFG_SNPCNFGCR_SEC_RD_WR	0xc0000000
>  #define SCFG_ETSECCMCR_GE2_CLK125	0x04000000
>  #define SCFG_ETSECCMCR_GE0_CLK125	0x00000000
>  #define SCFG_ETSECCMCR_GE1_CLK125	0x08000000
> diff --git a/board/freescale/ls1021aqds/ls1021aqds.c b/board/freescale/ls1021aqds/ls1021aqds.c
> index 655fc644fe90..e7c25a5012f0 100644
> --- a/board/freescale/ls1021aqds/ls1021aqds.c
> +++ b/board/freescale/ls1021aqds/ls1021aqds.c
> @@ -281,6 +281,8 @@ int board_early_init_f(void)
>  	struct ccsr_cci400 *cci = (struct ccsr_cci400 *)CONFIG_SYS_CCI400_ADDR;
>  	unsigned int major;
>  
> +	setbits_be32(&scfg->snpcnfgcr, SCFG_SNPCNFGCR_SEC_RD_WR);
> +
>  #ifdef CONFIG_TSEC_ENET
>  	/* clear BD & FR bits for BE BD's and frame data */
>  	clrbits_be32(&scfg->etsecdmamcr, SCFG_ETSECDMAMCR_LE_BD_FR);
> diff --git a/board/freescale/ls1021atwr/ls1021atwr.c b/board/freescale/ls1021atwr/ls1021atwr.c
> index 228dbf81bb25..e15999e42165 100644
> --- a/board/freescale/ls1021atwr/ls1021atwr.c
> +++ b/board/freescale/ls1021atwr/ls1021atwr.c
> @@ -482,6 +482,8 @@ int board_early_init_f(void)
>  	struct ccsr_cci400 *cci = (struct ccsr_cci400 *)CONFIG_SYS_CCI400_ADDR;
>  	unsigned int major;
>  
> +	setbits_be32(&scfg->snpcnfgcr, SCFG_SNPCNFGCR_SEC_RD_WR);
> +
>  #ifdef CONFIG_TSEC_ENET
>  	/* clear BD & FR bits for BE BD's and frame data */
>  	clrbits_be32(&scfg->etsecdmamcr, SCFG_ETSECDMAMCR_LE_BD_FR);
> 

Why wasn't the change put into arch_cpu_init?

York