diff options
Diffstat (limited to 'target/linux/layerscape/patches-5.4/701-net-0329-net-phy-Inphi-IN112525_s03-retimer-updates.patch')
| -rw-r--r-- | target/linux/layerscape/patches-5.4/701-net-0329-net-phy-Inphi-IN112525_s03-retimer-updates.patch | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/target/linux/layerscape/patches-5.4/701-net-0329-net-phy-Inphi-IN112525_s03-retimer-updates.patch b/target/linux/layerscape/patches-5.4/701-net-0329-net-phy-Inphi-IN112525_s03-retimer-updates.patch new file mode 100644 index 0000000000..2f38fd0736 --- /dev/null +++ b/target/linux/layerscape/patches-5.4/701-net-0329-net-phy-Inphi-IN112525_s03-retimer-updates.patch @@ -0,0 +1,74 @@ +From a1b049babfd0ae224179dc82ec69cb9bbf585699 Mon Sep 17 00:00:00 2001 +From: Florin Chiculita <florinlaurentiu.chiculita@nxp.com> +Date: Sun, 16 Dec 2018 22:35:44 +0200 +Subject: [PATCH] net/phy: Inphi IN112525_s03 retimer updates + +The retimer doesn't get probed in linux due to the fact that it's a +non-standard clause-45 device. Hardcoding the phyid in device-tree +and adding custom routines for registry read/write operations +solves the issue. + +Signed-off-by: Florin Chiculita <florinlaurentiu.chiculita@nxp.com> +--- + drivers/net/phy/inphi.c | 30 +++++++++++++++++++++++------- + 1 file changed, 23 insertions(+), 7 deletions(-) + +--- a/drivers/net/phy/inphi.c ++++ b/drivers/net/phy/inphi.c +@@ -82,11 +82,7 @@ + #define PHYMISC_REG22 0x01C0 + + #define RX_VCO_CODE_OFFSET 5 +- +-#define mdio_wr(a, b) phy_write_mmd(inphi_phydev, MDIO_MMD_VEND1, (a), (b)) +-#define mdio_rd(a) phy_read_mmd(inphi_phydev, MDIO_MMD_VEND1, (a)) +- +-#define VCO_CODE 390 ++#define VCO_CODE 390 + + int vco_codes[ALL_LANES] = { + VCO_CODE, +@@ -102,6 +98,23 @@ static DECLARE_DELAYED_WORK(mykmod_work, + static unsigned long onesec; + struct phy_device *inphi_phydev; + ++static int mdio_wr(u32 regnum, u16 val) ++{ ++ regnum = MII_ADDR_C45 | (MDIO_MMD_VEND1 << 16) | (regnum & 0xffff); ++ ++ return mdiobus_write(inphi_phydev->mdio.bus, inphi_phydev->mdio.addr, ++ regnum, val); ++} ++ ++static int mdio_rd(u32 regnum) ++{ ++ regnum = MII_ADDR_C45 | (MDIO_MMD_VEND1 << 16) | (regnum & 0xffff); ++ ++ return mdiobus_read(inphi_phydev->mdio.bus, inphi_phydev->mdio.addr, ++ regnum); ++} ++ ++ + int bit_test(int value, int bit_field) + { + int result; +@@ -518,14 +531,17 @@ int inphi_probe(struct phy_device *phyde + { + int phy_id = 0, id_lsb = 0, id_msb = 0; + ++ /* setup the inphi_phydev ptr for mdio_rd/mdio_wr APIs */ ++ inphi_phydev = phydev; ++ + /* Read device id from phy registers */ +- id_lsb = phy_read_mmd(phydev, MDIO_MMD_VEND1, INPHI_S03_DEVICE_ID_MSB); ++ id_lsb = mdio_rd(INPHI_S03_DEVICE_ID_MSB); + if (id_lsb < 0) + return -ENXIO; + + phy_id = id_lsb << 16; + +- id_msb = phy_read_mmd(phydev, MDIO_MMD_VEND1, INPHI_S03_DEVICE_ID_LSB); ++ id_msb = mdio_rd(INPHI_S03_DEVICE_ID_LSB); + if (id_msb < 0) + return -ENXIO; + |