Disable PCS autonegotiation if fixed-link node is present in device tree.
This way systems with multiple GEM instances with a combination of
SGMII-fixed and SGMII-PHY will work.
Reported-by: Goran Marinkovic <goran.marinkovic@psi.ch>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Ashok Reddy Soma <ashok.reddy.soma@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
nwconfig |= ZYNQ_GEM_NWCFG_SGMII_ENBL |
ZYNQ_GEM_NWCFG_PCS_SEL;
#ifdef CONFIG_ARM64
+ if (priv->phydev->phy_id != PHY_FIXED_ID)
writel(readl(®s->pcscntrl) | ZYNQ_GEM_PCS_CTL_ANEG_ENBL,
®s->pcscntrl);
+ else
+ writel(readl(®s->pcscntrl) & ~ZYNQ_GEM_PCS_CTL_ANEG_ENBL,
+ ®s->pcscntrl);
#endif
}