[U-Boot] [PATCH] powerpc/t104xrdb: Disable DTSEC1 and DTSEC2 on T1042RDB

[York Sun]

On 09/17/2014 12:38 AM, Vijay Rai wrote:
> As the board was basically designed for T1040RDB so there are 5 DTSEC ports,
> DTSEC1 and DTSEC2 are connected to L2 switch and not usable in T1042 mode
> only 3 ports DTSEC3 to DTSEC5 are usable
> 
> Signed-off-by: Vijay Rai <vijay.rai at freescale.com>
> Signed-off-by: Priyanka Jain <Priyanka.Jain at freescale.com>
> ---
>  board/freescale/t104xrdb/eth.c |    2 +-
>  drivers/net/fm/t1040.c         |   15 +++++++++++++++
>  2 files changed, 16 insertions(+), 1 deletion(-)
> 
> diff --git a/board/freescale/t104xrdb/eth.c b/board/freescale/t104xrdb/eth.c
> index c8b6c67..f84ee2d 100644
> --- a/board/freescale/t104xrdb/eth.c
> +++ b/board/freescale/t104xrdb/eth.c
> @@ -47,7 +47,7 @@ int board_eth_init(bd_t *bis)
>  		case PHY_INTERFACE_MODE_SGMII:
>  			/* T1042RDB doesn't supports SGMII on DTSEC1 & DTSEC2 */
>  			if ((FM1_DTSEC1 == i) || (FM1_DTSEC2 == i))
> -				fm_info_set_phy_address(i, 0);
> +				fm_disable_port(i);
>  			/* T1042RDB only supports SGMII on DTSEC3 */
>  			fm_info_set_phy_address(FM1_DTSEC3,
>  						CONFIG_SYS_SGMII1_PHY_ADDR);
> diff --git a/drivers/net/fm/t1040.c b/drivers/net/fm/t1040.c
> index bcc871d..1e03662 100644
> --- a/drivers/net/fm/t1040.c
> +++ b/drivers/net/fm/t1040.c
> @@ -10,6 +10,21 @@
>  #include <asm/immap_85xx.h>
>  #include <asm/fsl_serdes.h>
>  
> +u32 port_to_devdisr[] = {
> +	[FM1_DTSEC1] = FSL_CORENET_DEVDISR2_DTSEC1_1,
> +	[FM1_DTSEC2] = FSL_CORENET_DEVDISR2_DTSEC1_2,
> +	[FM1_DTSEC3] = FSL_CORENET_DEVDISR2_DTSEC1_3,
> +	[FM1_DTSEC4] = FSL_CORENET_DEVDISR2_DTSEC1_4,
> +	[FM1_DTSEC5] = FSL_CORENET_DEVDISR2_DTSEC1_5,
> +};
> +
> +void fman_disable_port(enum fm_port port)
> +{
> +	ccsr_gur_t *gur = (void __iomem *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);

We declare it as ccsr_gur_t __iomem *gur.

> +
> +	setbits_be32(&gur->devdisr2, port_to_devdisr[port]);

I don't see a check for the array. It may be difficult to debug if
CONFIG_SYS_NUM_FM1_DTSEC is bigger than the size of port_to_devdisr.

York