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net: gem: Add support for more PHYs on MDIO bus

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Find out MDIO bus and enable MDIO access to it if this is done via
different GEM controller. Only works across GEM instances.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
This commit is contained in:
Michal Simek 2016-05-30 10:43:11 +02:00
parent 6c0e59fcd9
commit 8c40e07aab
1 changed files with 10 additions and 0 deletions
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10
drivers/net/zynq_gem.c
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@ -758,6 +758,9 @@ static int zynq_gem_ofdata_to_platdata(struct udevice *dev)
if (!dev_read_phandle_with_args(dev, "phy-handle", NULL, 0, 0,
&phandle_args)) {
fdt_addr_t addr;
ofnode parent;
debug("phy-handle does exist %s\n", dev->name);
priv->phyaddr = ofnode_read_u32_default(phandle_args.node,
"reg", -1);
@ -765,6 +768,13 @@ static int zynq_gem_ofdata_to_platdata(struct udevice *dev)
priv->max_speed = ofnode_read_u32_default(phandle_args.node,
"max-speed",
SPEED_1000);
parent = ofnode_get_parent(phandle_args.node);
addr = ofnode_get_addr(parent);
if (addr != FDT_ADDR_T_NONE) {
debug("MDIO bus not found %s\n", dev->name);
priv->mdiobase = (struct zynq_gem_regs *)addr;
}
}
phy_mode = dev_read_prop(dev, "phy-mode", NULL);