diff options
Diffstat (limited to 'target/linux/generic/patches-4.0/070-bgmac-register-fixed-PHY-for-ARM-BCM470X-BCM5301X-ch.patch')
| -rw-r--r-- | target/linux/generic/patches-4.0/070-bgmac-register-fixed-PHY-for-ARM-BCM470X-BCM5301X-ch.patch | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/target/linux/generic/patches-4.0/070-bgmac-register-fixed-PHY-for-ARM-BCM470X-BCM5301X-ch.patch b/target/linux/generic/patches-4.0/070-bgmac-register-fixed-PHY-for-ARM-BCM470X-BCM5301X-ch.patch new file mode 100644 index 0000000000..472b22b0e7 --- /dev/null +++ b/target/linux/generic/patches-4.0/070-bgmac-register-fixed-PHY-for-ARM-BCM470X-BCM5301X-ch.patch @@ -0,0 +1,81 @@ +From c25b23b8a387e7d31f7a74af8e37b61e9e6ebb21 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com> +Date: Fri, 20 Mar 2015 23:14:31 +0100 +Subject: [PATCH] bgmac: register fixed PHY for ARM BCM470X / BCM5301X chipsets +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +On ARM SoCs with bgmac Ethernet hardware we don't have any normal PHY. +There is always a switch attached but it's not even controlled over MDIO +like in case of MIPS devices. +We need a fixed PHY to be able to send/receive packets from the switch. + +Signed-off-by: Rafał Miłecki <zajec5@gmail.com> +Signed-off-by: David S. Miller <davem@davemloft.net> +--- + drivers/net/ethernet/broadcom/bgmac.c | 34 ++++++++++++++++++++++++++++++++++ + 1 file changed, 34 insertions(+) + +diff --git a/drivers/net/ethernet/broadcom/bgmac.c b/drivers/net/ethernet/broadcom/bgmac.c +index 0469f72..efda7cf 100644 +--- a/drivers/net/ethernet/broadcom/bgmac.c ++++ b/drivers/net/ethernet/broadcom/bgmac.c +@@ -14,6 +14,7 @@ + #include <linux/etherdevice.h> + #include <linux/mii.h> + #include <linux/phy.h> ++#include <linux/phy_fixed.h> + #include <linux/interrupt.h> + #include <linux/dma-mapping.h> + #include <bcm47xx_nvram.h> +@@ -1330,13 +1331,46 @@ static void bgmac_adjust_link(struct net_device *net_dev) + } + } + ++static int bgmac_fixed_phy_register(struct bgmac *bgmac) ++{ ++ struct fixed_phy_status fphy_status = { ++ .link = 1, ++ .speed = SPEED_1000, ++ .duplex = DUPLEX_FULL, ++ }; ++ struct phy_device *phy_dev; ++ int err; ++ ++ phy_dev = fixed_phy_register(PHY_POLL, &fphy_status, NULL); ++ if (!phy_dev || IS_ERR(phy_dev)) { ++ bgmac_err(bgmac, "Failed to register fixed PHY device\n"); ++ return -ENODEV; ++ } ++ ++ err = phy_connect_direct(bgmac->net_dev, phy_dev, bgmac_adjust_link, ++ PHY_INTERFACE_MODE_MII); ++ if (err) { ++ bgmac_err(bgmac, "Connecting PHY failed\n"); ++ return err; ++ } ++ ++ bgmac->phy_dev = phy_dev; ++ ++ return err; ++} ++ + static int bgmac_mii_register(struct bgmac *bgmac) + { ++ struct bcma_chipinfo *ci = &bgmac->core->bus->chipinfo; + struct mii_bus *mii_bus; + struct phy_device *phy_dev; + char bus_id[MII_BUS_ID_SIZE + 3]; + int i, err = 0; + ++ if (ci->id == BCMA_CHIP_ID_BCM4707 || ++ ci->id == BCMA_CHIP_ID_BCM53018) ++ return bgmac_fixed_phy_register(bgmac); ++ + mii_bus = mdiobus_alloc(); + if (!mii_bus) + return -ENOMEM; +-- +1.8.4.5 + |