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authorAndrew Lunn <andrew@lunn.ch>2017-07-30 22:41:46 +0200
committerDavid S. Miller <davem@davemloft.net>2017-08-01 03:00:23 +0200
commit61111598b08bcdc84688de81c59605d56b197fbf (patch)
treebcda155d2cd5a29c92d4745dc3f8d9607cfc062c /drivers/net/phy/marvell.c
parentnet: phy: marvell: Use core genphy_soft_reset() (diff)
downloadlinux-61111598b08bcdc84688de81c59605d56b197fbf.tar.xz
linux-61111598b08bcdc84688de81c59605d56b197fbf.zip
net: phy: marvell: consolidate RGMII delay code
The same code is repeated for different PHY versions. Put it into a help and call when needed. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to '')
-rw-r--r--drivers/net/phy/marvell.c54
1 files changed, 22 insertions, 32 deletions
diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c
index 33a52532fac6..c1b724ab5f25 100644
--- a/drivers/net/phy/marvell.c
+++ b/drivers/net/phy/marvell.c
@@ -61,13 +61,6 @@
#define MII_M1011_PHY_SCR_AUTO_CROSS 0x0060
#define MII_M1145_PHY_EXT_SR 0x1b
-#define MII_M1145_PHY_EXT_CR 0x14
-#define MII_M1145_RGMII_RX_DELAY 0x0080
-#define MII_M1145_RGMII_TX_DELAY 0x0002
-#define MII_M1145_HWCFG_MODE_SGMII_NO_CLK 0x4
-#define MII_M1145_HWCFG_MODE_MASK 0xf
-#define MII_M1145_HWCFG_FIBER_COPPER_AUTO 0x8000
-
#define MII_M1145_HWCFG_MODE_SGMII_NO_CLK 0x4
#define MII_M1145_HWCFG_MODE_MASK 0xf
#define MII_M1145_HWCFG_FIBER_COPPER_AUTO 0x8000
@@ -76,8 +69,8 @@
#define MII_M1111_PHY_LED_DIRECT 0x4100
#define MII_M1111_PHY_LED_COMBINE 0x411c
#define MII_M1111_PHY_EXT_CR 0x14
-#define MII_M1111_RX_DELAY 0x80
-#define MII_M1111_TX_DELAY 0x2
+#define MII_M1111_RGMII_RX_DELAY BIT(7)
+#define MII_M1111_RGMII_TX_DELAY BIT(1)
#define MII_M1111_PHY_EXT_SR 0x1b
#define MII_M1111_HWCFG_MODE_MASK 0xf
@@ -700,9 +693,8 @@ static int m88e3016_config_init(struct phy_device *phydev)
return marvell_config_init(phydev);
}
-static int m88e1111_config_init_rgmii(struct phy_device *phydev)
+static int m88e1111_config_init_rgmii_delays(struct phy_device *phydev)
{
- int err;
int temp;
temp = phy_read(phydev, MII_M1111_PHY_EXT_CR);
@@ -710,16 +702,24 @@ static int m88e1111_config_init_rgmii(struct phy_device *phydev)
return temp;
if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) {
- temp |= (MII_M1111_RX_DELAY | MII_M1111_TX_DELAY);
+ temp |= (MII_M1111_RGMII_RX_DELAY | MII_M1111_RGMII_TX_DELAY);
} else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID) {
- temp &= ~MII_M1111_TX_DELAY;
- temp |= MII_M1111_RX_DELAY;
+ temp &= ~MII_M1111_RGMII_TX_DELAY;
+ temp |= MII_M1111_RGMII_RX_DELAY;
} else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID) {
- temp &= ~MII_M1111_RX_DELAY;
- temp |= MII_M1111_TX_DELAY;
+ temp &= ~MII_M1111_RGMII_RX_DELAY;
+ temp |= MII_M1111_RGMII_TX_DELAY;
}
- err = phy_write(phydev, MII_M1111_PHY_EXT_CR, temp);
+ return phy_write(phydev, MII_M1111_PHY_EXT_CR, temp);
+}
+
+static int m88e1111_config_init_rgmii(struct phy_device *phydev)
+{
+ int temp;
+ int err;
+
+ err = m88e1111_config_init_rgmii_delays(phydev);
if (err < 0)
return err;
@@ -760,16 +760,11 @@ static int m88e1111_config_init_sgmii(struct phy_device *phydev)
static int m88e1111_config_init_rtbi(struct phy_device *phydev)
{
- int err;
int temp;
+ int err;
- temp = phy_read(phydev, MII_M1111_PHY_EXT_CR);
- if (temp < 0)
- return temp;
-
- temp |= (MII_M1111_RX_DELAY | MII_M1111_TX_DELAY);
- err = phy_write(phydev, MII_M1111_PHY_EXT_CR, temp);
- if (err < 0)
+ err = m88e1111_config_init_rgmii_delays(phydev);
+ if (err)
return err;
temp = phy_read(phydev, MII_M1111_PHY_EXT_SR);
@@ -969,15 +964,10 @@ static int m88e1149_config_init(struct phy_device *phydev)
static int m88e1145_config_init_rgmii(struct phy_device *phydev)
{
+ int temp;
int err;
- int temp = phy_read(phydev, MII_M1145_PHY_EXT_CR);
-
- if (temp < 0)
- return temp;
-
- temp |= (MII_M1145_RGMII_RX_DELAY | MII_M1145_RGMII_TX_DELAY);
- err = phy_write(phydev, MII_M1145_PHY_EXT_CR, temp);
+ err = m88e1111_config_init_rgmii_delays(phydev);
if (err < 0)
return err;