From: Álvaro Fernández Rojas Date: Tue, 21 Mar 2023 17:33:59 +0000 (+0100) Subject: net: dsa: b53: add BCM63268 RGMII configuration X-Git-Tag: v6.4-rc1~132^2~233^2 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=594c6c2e3ea2146d693c64ec3d0a26127d47aeec;p=thirdparty%2Fkernel%2Flinux.git net: dsa: b53: add BCM63268 RGMII configuration BCM63268 requires special RGMII configuration to work. Signed-off-by: Álvaro Fernández Rojas Reviewed-by: Florian Fainelli Reviewed-by: Simon Horman Signed-off-by: Jakub Kicinski --- diff --git a/drivers/net/dsa/b53/b53_common.c b/drivers/net/dsa/b53/b53_common.c index 97327d7a6760c..1f9b251a5452c 100644 --- a/drivers/net/dsa/b53/b53_common.c +++ b/drivers/net/dsa/b53/b53_common.c @@ -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); diff --git a/drivers/net/dsa/b53/b53_regs.h b/drivers/net/dsa/b53/b53_regs.h index b2c539a421545..bfbcb66bef662 100644 --- a/drivers/net/dsa/b53/b53_regs.h +++ b/drivers/net/dsa/b53/b53_regs.h @@ -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)