From: Thomas Haemmerle <thomas.haemmerle@xxxxxxxxxxxxxx> Linux enables link downshift by default. Use the same bit definitions as Linux and enable downshift in Barebox, as well. Signed-off-by: Thomas Haemmerle <thomas.haemmerle@xxxxxxxxxxxxxx> Signed-off-by: Michael Tretter <m.tretter@xxxxxxxxxxxxxx> --- drivers/net/phy/dp83867.c | 16 ++++++++++------ 1 file changed, 10 insertions(+), 6 deletions(-) diff --git a/drivers/net/phy/dp83867.c b/drivers/net/phy/dp83867.c index c19f6ecba267..05af83f076a8 100644 --- a/drivers/net/phy/dp83867.c +++ b/drivers/net/phy/dp83867.c @@ -75,12 +75,12 @@ #define DP83867_RGMII_TX_CLK_DELAY_SHIFT 4 /* CFG2 bits */ -#define MII_DP83867_CFG2_SPEEDOPT_10EN 0x0040 -#define MII_DP83867_CFG2_SGMII_AUTONEGEN 0x0080 -#define MII_DP83867_CFG2_SPEEDOPT_ENH 0x0100 -#define MII_DP83867_CFG2_SPEEDOPT_CNT 0x0800 -#define MII_DP83867_CFG2_SPEEDOPT_INTLOW 0x2000 -#define MII_DP83867_CFG2_MASK 0x003F +#define DP83867_DOWNSHIFT_EN (BIT(8) | BIT(9)) +#define DP83867_DOWNSHIFT_ATTEMPT_MASK (BIT(10) | BIT(11)) +#define DP83867_DOWNSHIFT_1_COUNT_VAL 0 +#define DP83867_DOWNSHIFT_2_COUNT_VAL 1 +#define DP83867_DOWNSHIFT_4_COUNT_VAL 2 +#define DP83867_DOWNSHIFT_8_COUNT_VAL 3 /* CFG4 bits */ #define DP83867_CFG4_SGMII_AUTONEG_TIMER_MASK 0x60 @@ -301,6 +301,10 @@ static int dp83867_config_init(struct phy_device *phydev) phy_write(phydev, MII_DP83867_BISCR, 0x0); } + val = phy_read(phydev, MII_DP83867_CFG2); + val |= DP83867_DOWNSHIFT_EN; + phy_write(phydev, MII_DP83867_CFG2, val); + if (dp83867->port_mirroring != DP83867_PORT_MIRROING_KEEP) dp83867_config_port_mirroring(phydev); -- 2.29.2 _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox
