mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-30 18:47:06 +00:00
e41a0cafff
Signed-off-by: Zhao, Gang <gang.zhao.42@gmail.com> Signed-off-by: Felix Fietkau <nbd@openwrt.org> SVN-Revision: 42038
135 lines
3.4 KiB
Diff
135 lines
3.4 KiB
Diff
--- a/drivers/net/phy/at803x.c
|
|
+++ b/drivers/net/phy/at803x.c
|
|
@@ -12,10 +12,12 @@
|
|
*/
|
|
|
|
#include <linux/phy.h>
|
|
+#include <linux/mdio.h>
|
|
#include <linux/module.h>
|
|
#include <linux/string.h>
|
|
#include <linux/netdevice.h>
|
|
#include <linux/etherdevice.h>
|
|
+#include <linux/platform_data/phy-at803x.h>
|
|
|
|
#define AT803X_INTR_ENABLE 0x12
|
|
#define AT803X_INTR_STATUS 0x13
|
|
@@ -32,10 +34,61 @@
|
|
#define AT803X_DEBUG_SYSTEM_MODE_CTRL 0x05
|
|
#define AT803X_DEBUG_RGMII_TX_CLK_DLY BIT(8)
|
|
|
|
+#define AT803X_PCS_SMART_EEE_CTRL3 0x805D
|
|
+
|
|
+#define AT803X_SMART_EEE_CTRL3_LPI_TX_DELAY_SEL_MASK 0x3
|
|
+#define AT803X_SMART_EEE_CTRL3_LPI_TX_DELAY_SEL_SHIFT 12
|
|
+#define AT803X_SMART_EEE_CTRL3_LPI_EN BIT(8)
|
|
+
|
|
+#define AT803X_DEBUG_PORT_ACCESS_OFFSET 0x1D
|
|
+#define AT803X_DEBUG_PORT_ACCESS_DATA 0x1E
|
|
+
|
|
+#define AT803X_DBG0_REG 0x00
|
|
+#define AT803X_DBG0_RGMII_RX_CLK_DELAY_EN BIT(8)
|
|
+
|
|
+#define AT803X_DBG5_REG 0x05
|
|
+#define AT803X_DBG5_RGMII_TX_CLK_DELAY_EN BIT(8)
|
|
+
|
|
MODULE_DESCRIPTION("Atheros 803x PHY driver");
|
|
MODULE_AUTHOR("Matus Ujhelyi");
|
|
MODULE_LICENSE("GPL");
|
|
|
|
+static u16
|
|
+at803x_dbg_reg_rmw(struct phy_device *phydev, u16 reg, u16 clear, u16 set)
|
|
+{
|
|
+ struct mii_bus *bus = phydev->bus;
|
|
+ int val;
|
|
+
|
|
+ mutex_lock(&bus->mdio_lock);
|
|
+
|
|
+ bus->write(bus, phydev->addr, AT803X_DEBUG_PORT_ACCESS_OFFSET, reg);
|
|
+ val = bus->read(bus, phydev->addr, AT803X_DEBUG_PORT_ACCESS_DATA);
|
|
+ if (val < 0) {
|
|
+ val = 0xffff;
|
|
+ goto out;
|
|
+ }
|
|
+
|
|
+ val &= ~clear;
|
|
+ val |= set;
|
|
+ bus->write(bus, phydev->addr, AT803X_DEBUG_PORT_ACCESS_DATA, val);
|
|
+
|
|
+out:
|
|
+ mutex_unlock(&bus->mdio_lock);
|
|
+ return val;
|
|
+}
|
|
+
|
|
+static inline void
|
|
+at803x_dbg_reg_set(struct phy_device *phydev, u16 reg, u16 set)
|
|
+{
|
|
+ at803x_dbg_reg_rmw(phydev, reg, 0, set);
|
|
+}
|
|
+
|
|
+static inline void
|
|
+at803x_dbg_reg_clr(struct phy_device *phydev, u16 reg, u16 clear)
|
|
+{
|
|
+ at803x_dbg_reg_rmw(phydev, reg, clear, 0);
|
|
+}
|
|
+
|
|
static int at803x_set_wol(struct phy_device *phydev,
|
|
struct ethtool_wolinfo *wol)
|
|
{
|
|
@@ -139,8 +192,16 @@ static int at803x_resume(struct phy_devi
|
|
return 0;
|
|
}
|
|
|
|
+static void at803x_disable_smarteee(struct phy_device *phydev)
|
|
+{
|
|
+ phy_write_mmd(phydev, MDIO_MMD_PCS, AT803X_PCS_SMART_EEE_CTRL3,
|
|
+ 1 << AT803X_SMART_EEE_CTRL3_LPI_TX_DELAY_SEL_SHIFT);
|
|
+ phy_write_mmd(phydev, MDIO_MMD_AN, MDIO_AN_EEE_ADV, 0);
|
|
+}
|
|
+
|
|
static int at803x_config_init(struct phy_device *phydev)
|
|
{
|
|
+ struct at803x_platform_data *pdata;
|
|
int val;
|
|
int ret;
|
|
u32 features;
|
|
@@ -188,6 +249,26 @@ static int at803x_config_init(struct phy
|
|
return ret;
|
|
}
|
|
|
|
+ pdata = dev_get_platdata(&phydev->dev);
|
|
+ if (pdata) {
|
|
+ if (pdata->disable_smarteee)
|
|
+ at803x_disable_smarteee(phydev);
|
|
+
|
|
+ if (pdata->enable_rgmii_rx_delay)
|
|
+ at803x_dbg_reg_set(phydev, AT803X_DBG0_REG,
|
|
+ AT803X_DBG0_RGMII_RX_CLK_DELAY_EN);
|
|
+ else
|
|
+ at803x_dbg_reg_clr(phydev, AT803X_DBG0_REG,
|
|
+ AT803X_DBG0_RGMII_RX_CLK_DELAY_EN);
|
|
+
|
|
+ if (pdata->enable_rgmii_tx_delay)
|
|
+ at803x_dbg_reg_set(phydev, AT803X_DBG5_REG,
|
|
+ AT803X_DBG5_RGMII_TX_CLK_DELAY_EN);
|
|
+ else
|
|
+ at803x_dbg_reg_clr(phydev, AT803X_DBG5_REG,
|
|
+ AT803X_DBG5_RGMII_TX_CLK_DELAY_EN);
|
|
+ }
|
|
+
|
|
return 0;
|
|
}
|
|
|
|
--- /dev/null
|
|
+++ b/include/linux/platform_data/phy-at803x.h
|
|
@@ -0,0 +1,10 @@
|
|
+#ifndef _PHY_AT803X_PDATA_H
|
|
+#define _PHY_AT803X_PDATA_H
|
|
+
|
|
+struct at803x_platform_data {
|
|
+ int disable_smarteee:1;
|
|
+ int enable_rgmii_tx_delay:1;
|
|
+ int enable_rgmii_rx_delay:1;
|
|
+};
|
|
+
|
|
+#endif /* _PHY_AT803X_PDATA_H */
|