From 0a459aac9d151c2e36ec65723b9b845b24c5cbc3 Mon Sep 17 00:00:00 2001 From: Matt Carlson Date: Mon, 3 Nov 2008 16:54:15 -0800 Subject: tg3: Allow WOL for phylib controlled Broadcom phys This patch allows WOL to be enabled for Broadcom phys under phylib control. The only exception is the AC131, which has a completely different register set. Signed-off-by: Matt Carlson Signed-off-by: Michael Chan Signed-off-by: David S. Miller --- drivers/net/tg3.c | 31 ++++++++++++++++++++++++------- 1 file changed, 24 insertions(+), 7 deletions(-) (limited to 'drivers/net/tg3.c') diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c index e64721b185d..d0f314c6dbb 100644 --- a/drivers/net/tg3.c +++ b/drivers/net/tg3.c @@ -1963,7 +1963,7 @@ static int tg3_halt_cpu(struct tg3 *, u32); static int tg3_nvram_lock(struct tg3 *); static void tg3_nvram_unlock(struct tg3 *); -static void tg3_power_down_phy(struct tg3 *tp) +static void tg3_power_down_phy(struct tg3 *tp, bool do_low_power) { u32 val; @@ -1986,10 +1986,15 @@ static void tg3_power_down_phy(struct tg3 *tp) tw32_f(GRC_MISC_CFG, val | GRC_MISC_CFG_EPHY_IDDQ); udelay(40); return; - } else if (!(tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB)) { + } else if (do_low_power) { tg3_writephy(tp, MII_TG3_EXT_CTRL, MII_TG3_EXT_CTRL_FORCE_LED_OFF); - tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x01b2); + + tg3_writephy(tp, MII_TG3_AUX_CTRL, + MII_TG3_AUXCTL_SHDWSEL_PWRCTL | + MII_TG3_AUXCTL_PCTL_100TX_LPWR | + MII_TG3_AUXCTL_PCTL_SPR_ISOLATE | + MII_TG3_AUXCTL_PCTL_VREG_11V); } /* The PHY should not be powered down on some chips because @@ -2052,7 +2057,7 @@ static void __tg3_set_mac_addr(struct tg3 *tp, int skip_mac_1) static int tg3_set_power_state(struct tg3 *tp, pci_power_t state) { u32 misc_host_ctrl; - bool device_should_wake; + bool device_should_wake, do_low_power; /* Make sure register accesses (indirect or otherwise) * will function correctly. @@ -2091,10 +2096,11 @@ static int tg3_set_power_state(struct tg3 *tp, pci_power_t state) (tp->tg3_flags & TG3_FLAG_WOL_ENABLE); if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) { + do_low_power = false; if ((tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED) && !tp->link_config.phy_is_low_power) { struct phy_device *phydev; - u32 advertising; + u32 phyid, advertising; phydev = tp->mdio_bus->phy_map[PHY_ADDR]; @@ -2124,8 +2130,19 @@ static int tg3_set_power_state(struct tg3 *tp, pci_power_t state) phydev->advertising = advertising; phy_start_aneg(phydev); + + phyid = phydev->drv->phy_id & phydev->drv->phy_id_mask; + if (phyid != TG3_PHY_ID_BCMAC131) { + phyid &= TG3_PHY_OUI_MASK; + if (phyid == TG3_PHY_OUI_1 && + phyid == TG3_PHY_OUI_2 && + phyid == TG3_PHY_OUI_3) + do_low_power = true; + } } } else { + do_low_power = false; + if (tp->link_config.phy_is_low_power == 0) { tp->link_config.phy_is_low_power = 1; tp->link_config.orig_speed = tp->link_config.speed; @@ -2169,7 +2186,7 @@ static int tg3_set_power_state(struct tg3 *tp, pci_power_t state) u32 mac_mode; if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) { - if (!(tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB)) { + if (do_low_power) { tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x5a); udelay(40); } @@ -2277,7 +2294,7 @@ static int tg3_set_power_state(struct tg3 *tp, pci_power_t state) if (!(device_should_wake) && !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF) && !(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)) - tg3_power_down_phy(tp); + tg3_power_down_phy(tp, do_low_power); tg3_frob_aux_power(tp); -- cgit v1.2.3