Commit 594c6c2e authored by Álvaro Fernández Rojas's avatar Álvaro Fernández Rojas Committed by Jakub Kicinski
Browse files

net: dsa: b53: add BCM63268 RGMII configuration 



BCM63268 requires special RGMII configuration to work.

Signed-off-by: default avatarÁlvaro Fernández Rojas <noltari@gmail.com>
Reviewed-by: default avatarFlorian Fainelli <f.fainelli@gmail.com>
Reviewed-by: default avatarSimon Horman <simon.horman@corigine.com>
Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent 260887c7

drivers/net/dsa/b53/b53_common.c

+5 −1
Original line number Diff line number Diff line
@@ -1240,8 +1240,12 @@ static void b53_adjust_63xx_rgmii(struct dsa_switch *ds, int port, 
		break;

	}



	if (port != dev->imp_port)

	if (port != dev->imp_port) {

		if (is63268(dev))

			rgmii_ctrl |= RGMII_CTRL_MII_OVERRIDE;



		rgmii_ctrl |= RGMII_CTRL_ENABLE_GMII;

	}



	b53_write8(dev, B53_CTRL_PAGE, off, rgmii_ctrl);

drivers/net/dsa/b53/b53_regs.h

+1 −0
Original line number Diff line number Diff line
@@ -138,6 +138,7 @@ 


#define B53_RGMII_CTRL_IMP		0x60

#define   RGMII_CTRL_ENABLE_GMII	BIT(7)

#define   RGMII_CTRL_MII_OVERRIDE	BIT(6)

#define   RGMII_CTRL_TIMING_SEL		BIT(2)

#define   RGMII_CTRL_DLL_RXC		BIT(1)

#define   RGMII_CTRL_DLL_TXC		BIT(0)