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net: bcmgenet: implement GPHY power down sequence

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Implement the GPHY power down sequence by setting all power down bits, putting
the GPHY in reset, and finally cutting the 25Mhz reference clock.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Florian Fainelli 2015-03-23 15:09:55 -07:00 committed by David S. Miller
parent 0c81a8ee61
commit a9d608c153
1 changed files with 7 additions and 2 deletions
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9
drivers/net/ethernet/broadcom/genet/bcmmii.c
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@ -177,8 +177,8 @@ static void bcmgenet_phy_power_set(struct net_device *dev, bool enable)
if (!GENET_IS_V4(priv))
return;
reg = bcmgenet_ext_readl(priv, EXT_GPHY_CTRL);
if (enable) {
reg = bcmgenet_ext_readl(priv, EXT_GPHY_CTRL);
reg &= ~EXT_CK25_DIS;
bcmgenet_ext_writel(priv, reg, EXT_GPHY_CTRL);
mdelay(1);
@ -189,9 +189,14 @@ static void bcmgenet_phy_power_set(struct net_device *dev, bool enable)
mdelay(1);
reg &= ~EXT_GPHY_RESET;
} else {
reg |= EXT_CFG_IDDQ_BIAS | EXT_CFG_PWR_DOWN | EXT_GPHY_RESET;
bcmgenet_ext_writel(priv, reg, EXT_GPHY_CTRL);
udelay(60);
mdelay(1);
reg |= EXT_CK25_DIS;
}
bcmgenet_ext_writel(priv, reg, EXT_GPHY_CTRL);
udelay(60);
}
static void bcmgenet_internal_phy_setup(struct net_device *dev)