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net: bgmac: use PHY subsystem for initializing PHY 

This adds support for using bgmac with PHYs supported by standalone PHY
drivers. Having any PHY initialization in bgmac is hacky and shouldn't
be extended but rather removed if anyone has hardware to test it.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Rafał Miłecki 2017-01-31 19:37:56 +01:00 committed by David S. Miller
parent aa8863e5d4
commit 8e6f31baba
1 changed files with 10 additions and 0 deletions
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10
drivers/net/ethernet/broadcom/bgmac-bcma-mdio.c
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@ -132,6 +132,10 @@ static void bcma_mdio_phy_init(struct bgmac *bgmac)
struct bcma_chipinfo *ci = &bgmac->bcma.core->bus->chipinfo; struct bcma_chipinfo *ci = &bgmac->bcma.core->bus->chipinfo;
u8 i; u8 i;
/* For some legacy hardware we do chipset-based PHY initialization here
* without even detecting PHY ID. It's hacky and should be cleaned as
* soon as someone can test it.
*/
if (ci->id == BCMA_CHIP_ID_BCM5356) { if (ci->id == BCMA_CHIP_ID_BCM5356) {
for (i = 0; i < 5; i++) { for (i = 0; i < 5; i++) {
bcma_mdio_phy_write(bgmac, i, 0x1f, 0x008b); bcma_mdio_phy_write(bgmac, i, 0x1f, 0x008b);
@ -140,6 +144,7 @@ static void bcma_mdio_phy_init(struct bgmac *bgmac)
bcma_mdio_phy_write(bgmac, i, 0x12, 0x2aaa); bcma_mdio_phy_write(bgmac, i, 0x12, 0x2aaa);
bcma_mdio_phy_write(bgmac, i, 0x1f, 0x000b); bcma_mdio_phy_write(bgmac, i, 0x1f, 0x000b);
} }
return;
} }
if ((ci->id == BCMA_CHIP_ID_BCM5357 && ci->pkg != 10) || if ((ci->id == BCMA_CHIP_ID_BCM5357 && ci->pkg != 10) ||
(ci->id == BCMA_CHIP_ID_BCM4749 && ci->pkg != 10) || (ci->id == BCMA_CHIP_ID_BCM4749 && ci->pkg != 10) ||
@ -161,7 +166,12 @@ static void bcma_mdio_phy_init(struct bgmac *bgmac)
bcma_mdio_phy_write(bgmac, i, 0x17, 0x9273); bcma_mdio_phy_write(bgmac, i, 0x17, 0x9273);
bcma_mdio_phy_write(bgmac, i, 0x1f, 0x000b); bcma_mdio_phy_write(bgmac, i, 0x1f, 0x000b);
} }
return;
} }
/* For all other hw do initialization using PHY subsystem. */
if (bgmac->net_dev && bgmac->net_dev->phydev)
phy_init_hw(bgmac->net_dev->phydev);
} }
/* http://bcm-v4.sipsolutions.net/mac-gbit/gmac/chipphyreset */ /* http://bcm-v4.sipsolutions.net/mac-gbit/gmac/chipphyreset */