[U-Boot] [PATCH 4/6] net: macb: add support for SGMII phy interface

Anup Patel Anup.Patel at wdc.com
Wed Jul 3 03:35:42 UTC 2019



> -----Original Message-----
> From: U-Boot <u-boot-bounces at lists.denx.de> On Behalf Of Ramon Fried
> Sent: Tuesday, June 11, 2019 8:49 PM
> To: u-boot at lists.denx.de
> Cc: Joe Hershberger <joe.hershberger at ni.com>
> Subject: [U-Boot] [PATCH 4/6] net: macb: add support for SGMII phy
> interface
> 
> This patch adds support for the sgmii phy interface, available only to DM
> users, dictated by current driver design.
> 
> Signed-off-by: Ramon Fried <rfried.dev at gmail.com>
> ---
> 
>  drivers/net/macb.c | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/drivers/net/macb.c b/drivers/net/macb.c index
> d957afe21a..ae8937bbb1 100644
> --- a/drivers/net/macb.c
> +++ b/drivers/net/macb.c
> @@ -757,6 +757,13 @@ static int _macb_init(struct macb_device *macb,
> const char *name)
>  			gem_writel(macb, USRIO, GEM_BIT(RGMII));
>  		else
>  			gem_writel(macb, USRIO, 0);
> +
> +		if (macb->phy_interface == PHY_INTERFACE_MODE_SGMII)
> {
> +			unsigned int ncfgr = macb_readl(macb, NCFGR);
> +
> +			ncfgr |= GEM_BIT(SGMIIEN) | GEM_BIT(PCSSEL);
> +			macb_writel(macb, NCFGR, ncfgr);
> +		}
>  #else
>  #if defined(CONFIG_RGMII) || defined(CONFIG_RMII)
>  		gem_writel(macb, UR, GEM_BIT(RGMII));
> --
> 2.21.0
> 
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Reviewed-by: Anup Patel <anup.patel at wdc.com>
Tested-by: Anup Patel <anup.patel at wdc.com>

Regards,
Anup


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