This adds WoL support on TI DP83869 for magic, magic secure, unicast and broadcast.
Signed-off-by: Dan Murphy <dmur...@ti.com> --- drivers/net/phy/dp83869.c | 128 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 128 insertions(+) diff --git a/drivers/net/phy/dp83869.c b/drivers/net/phy/dp83869.c index 48a68474f89c..5045df9515a5 100644 --- a/drivers/net/phy/dp83869.c +++ b/drivers/net/phy/dp83869.c @@ -4,6 +4,7 @@ */ #include <linux/ethtool.h> +#include <linux/etherdevice.h> #include <linux/kernel.h> #include <linux/mii.h> #include <linux/module.h> @@ -27,6 +28,13 @@ #define DP83869_RGMIICTL 0x0032 #define DP83869_STRAP_STS1 0x006e #define DP83869_RGMIIDCTL 0x0086 +#define DP83869_RXFCFG 0x0134 +#define DP83869_RXFPMD1 0x0136 +#define DP83869_RXFPMD2 0x0137 +#define DP83869_RXFPMD3 0x0138 +#define DP83869_RXFSOP1 0x0139 +#define DP83869_RXFSOP2 0x013A +#define DP83869_RXFSOP3 0x013B #define DP83869_IO_MUX_CFG 0x0170 #define DP83869_OP_MODE 0x01df #define DP83869_FX_CTRL 0x0c00 @@ -105,6 +113,14 @@ #define DP83869_OP_MODE_MII BIT(5) #define DP83869_SGMII_RGMII_BRIDGE BIT(6) +/* RXFCFG bits*/ +#define DP83869_WOL_MAGIC_EN BIT(0) +#define DP83869_WOL_PATTERN_EN BIT(1) +#define DP83869_WOL_BCAST_EN BIT(2) +#define DP83869_WOL_UCAST_EN BIT(4) +#define DP83869_WOL_SEC_EN BIT(5) +#define DP83869_WOL_ENH_MAC BIT(7) + enum { DP83869_PORT_MIRRORING_KEEP, DP83869_PORT_MIRRORING_EN, @@ -156,6 +172,115 @@ static int dp83869_config_intr(struct phy_device *phydev) return phy_write(phydev, MII_DP83869_MICR, micr_status); } +static int dp83869_set_wol(struct phy_device *phydev, + struct ethtool_wolinfo *wol) +{ + struct net_device *ndev = phydev->attached_dev; + u16 val_rxcfg, val_micr; + u8 *mac; + + val_rxcfg = phy_read_mmd(phydev, DP83869_DEVADDR, DP83869_RXFCFG); + val_micr = phy_read(phydev, MII_DP83869_MICR); + + if (wol->wolopts & (WAKE_MAGIC | WAKE_MAGICSECURE | WAKE_UCAST | + WAKE_BCAST)) { + val_rxcfg |= DP83869_WOL_ENH_MAC; + val_micr |= MII_DP83869_MICR_WOL_INT_EN; + + if (wol->wolopts & WAKE_MAGIC) { + mac = (u8 *)ndev->dev_addr; + + if (!is_valid_ether_addr(mac)) + return -EINVAL; + + phy_write_mmd(phydev, DP83869_DEVADDR, DP83869_RXFPMD1, + (mac[1] << 8 | mac[0])); + phy_write_mmd(phydev, DP83869_DEVADDR, DP83869_RXFPMD2, + (mac[3] << 8 | mac[2])); + phy_write_mmd(phydev, DP83869_DEVADDR, DP83869_RXFPMD3, + (mac[5] << 8 | mac[4])); + + val_rxcfg |= DP83869_WOL_MAGIC_EN; + } else { + val_rxcfg &= ~DP83869_WOL_MAGIC_EN; + } + + if (wol->wolopts & WAKE_MAGICSECURE) { + phy_write_mmd(phydev, DP83869_DEVADDR, DP83869_RXFSOP1, + (wol->sopass[1] << 8) | wol->sopass[0]); + phy_write_mmd(phydev, DP83869_DEVADDR, DP83869_RXFSOP2, + (wol->sopass[3] << 8) | wol->sopass[2]); + phy_write_mmd(phydev, DP83869_DEVADDR, DP83869_RXFSOP3, + (wol->sopass[5] << 8) | wol->sopass[4]); + + val_rxcfg |= DP83869_WOL_SEC_EN; + } else { + val_rxcfg &= ~DP83869_WOL_SEC_EN; + } + + if (wol->wolopts & WAKE_UCAST) + val_rxcfg |= DP83869_WOL_UCAST_EN; + else + val_rxcfg &= ~DP83869_WOL_UCAST_EN; + + if (wol->wolopts & WAKE_BCAST) + val_rxcfg |= DP83869_WOL_BCAST_EN; + else + val_rxcfg &= ~DP83869_WOL_BCAST_EN; + } else { + val_rxcfg &= ~DP83869_WOL_ENH_MAC; + val_micr &= ~MII_DP83869_MICR_WOL_INT_EN; + } + + phy_write_mmd(phydev, DP83869_DEVADDR, DP83869_RXFCFG, val_rxcfg); + phy_write(phydev, MII_DP83869_MICR, val_micr); + + return 0; +} + +static void dp83869_get_wol(struct phy_device *phydev, + struct ethtool_wolinfo *wol) +{ + u16 value, sopass_val; + + wol->supported = (WAKE_UCAST | WAKE_BCAST | WAKE_MAGIC | + WAKE_MAGICSECURE); + wol->wolopts = 0; + + value = phy_read_mmd(phydev, DP83869_DEVADDR, DP83869_RXFCFG); + + if (value & DP83869_WOL_UCAST_EN) + wol->wolopts |= WAKE_UCAST; + + if (value & DP83869_WOL_BCAST_EN) + wol->wolopts |= WAKE_BCAST; + + if (value & DP83869_WOL_MAGIC_EN) + wol->wolopts |= WAKE_MAGIC; + + if (value & DP83869_WOL_SEC_EN) { + sopass_val = phy_read_mmd(phydev, DP83869_DEVADDR, + DP83869_RXFSOP1); + wol->sopass[0] = (sopass_val & 0xff); + wol->sopass[1] = (sopass_val >> 8); + + sopass_val = phy_read_mmd(phydev, DP83869_DEVADDR, + DP83869_RXFSOP2); + wol->sopass[2] = (sopass_val & 0xff); + wol->sopass[3] = (sopass_val >> 8); + + sopass_val = phy_read_mmd(phydev, DP83869_DEVADDR, + DP83869_RXFSOP3); + wol->sopass[4] = (sopass_val & 0xff); + wol->sopass[5] = (sopass_val >> 8); + + wol->wolopts |= WAKE_MAGICSECURE; + } + + if (!(value & DP83869_WOL_ENH_MAC)) + wol->wolopts = 0; +} + static int dp83869_config_port_mirroring(struct phy_device *phydev) { struct dp83869_private *dp83869 = phydev->priv; @@ -531,6 +656,9 @@ static struct phy_driver dp83869_driver[] = { .ack_interrupt = dp83869_ack_interrupt, .config_intr = dp83869_config_intr, + .get_wol = dp83869_get_wol, + .set_wol = dp83869_set_wol, + .suspend = genphy_suspend, .resume = genphy_resume, }, -- 2.28.0