From: Philipp Zabel <p.zabel@pengutronix.de>
To: barebox@lists.infradead.org
Subject: [PATCH 4/6] net: phy: micrel: Center FLP timing at 16ms
Date: Tue, 2 Feb 2016 12:17:33 +0100 [thread overview]
Message-ID: <1454411855-4839-4-git-send-email-p.zabel@pengutronix.de> (raw)
In-Reply-To: <1454411855-4839-1-git-send-email-p.zabel@pengutronix.de>
Based on kernel commit 6270e1ae804a ("net/phy: micrel: Center FLP
timing at 16ms") by Jaeden Amero <jaeden.amero@ni.com>:
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
---
drivers/net/phy/micrel.c | 17 ++++++++++++++++-
1 file changed, 16 insertions(+), 1 deletion(-)
diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c
index 6f49e73..570272f 100644
--- a/drivers/net/phy/micrel.c
+++ b/drivers/net/phy/micrel.c
@@ -149,6 +149,11 @@ static int ksz9021_config_init(struct phy_device *phydev)
#define KSZ9031_PS_TO_REG 60
/* Extended registers */
+/* MMD Address 0x0 */
+#define MII_KSZ9031RN_FLP_BURST_TX_LO 3
+#define MII_KSZ9031RN_FLP_BURST_TX_HI 4
+
+/* MMD Address 0x2 */
#define MII_KSZ9031RN_CONTROL_PAD_SKEW 4
#define MII_KSZ9031RN_RX_DATA_PAD_SKEW 5
#define MII_KSZ9031RN_TX_DATA_PAD_SKEW 6
@@ -192,6 +197,15 @@ static int ksz9031_of_load_skew_values(struct phy_device *phydev,
return 0;
}
+static int ksz9031_center_flp_timing(struct phy_device *phydev)
+{
+ /* Center KSZ9031RNX FLP timing at 16ms. */
+ phy_write_mmd_indirect(phydev, MII_KSZ9031RN_FLP_BURST_TX_HI, 0, 0x0006);
+ phy_write_mmd_indirect(phydev, MII_KSZ9031RN_FLP_BURST_TX_LO, 0, 0x1a80);
+
+ return genphy_restart_aneg(phydev);
+}
+
static int ksz9031_config_init(struct phy_device *phydev)
{
const struct device_d *dev = &phydev->dev;
@@ -227,7 +241,8 @@ static int ksz9031_config_init(struct phy_device *phydev)
MII_KSZ9031RN_TX_DATA_PAD_SKEW, 4,
tx_data_skews, 4);
}
- return 0;
+
+ return ksz9031_center_flp_timing(phydev);
}
#define KSZ8873MLL_GLOBAL_CONTROL_4 0x06
--
2.7.0.rc3
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next prev parent reply other threads:[~2016-02-02 11:18 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-02 11:17 [PATCH 1/6] net: phy: micrel: Staticise ksz8873mll_read_status() Philipp Zabel
2016-02-02 11:17 ` [PATCH 2/6] net: phy: micrel: use BIT macro Philipp Zabel
2016-02-02 11:17 ` [PATCH 3/6] net: phy: micrel: Be more const correct Philipp Zabel
2016-02-02 11:17 ` Philipp Zabel [this message]
2016-02-02 11:17 ` [PATCH 5/6] net: phy: micrel: Add workaround for bad autoneg Philipp Zabel
2016-02-02 11:17 ` [PATCH 6/6] net: phy: micrel: errata for KSZ9031 Philipp Zabel
2016-02-02 14:42 ` Philipp Zabel
2016-02-03 7:39 ` [PATCH 1/6] net: phy: micrel: Staticise ksz8873mll_read_status() Sascha Hauer
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