129 lines
2.4 KiB
C
129 lines
2.4 KiB
C
/*
|
|
* (C) Copyright 2010
|
|
* Dirk Eibach, Guntermann & Drunck GmbH, eibach@gdsys.de
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <miiphy.h>
|
|
|
|
#include <asm/io.h>
|
|
|
|
struct io_bb_pinset {
|
|
int mdio;
|
|
int mdc;
|
|
};
|
|
|
|
static int io_bb_mii_init(struct bb_miiphy_bus *bus)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static int io_bb_mdio_active(struct bb_miiphy_bus *bus)
|
|
{
|
|
struct io_bb_pinset *pins = bus->priv;
|
|
|
|
out_be32((void *)GPIO0_TCR,
|
|
in_be32((void *)GPIO0_TCR) | pins->mdio);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int io_bb_mdio_tristate(struct bb_miiphy_bus *bus)
|
|
{
|
|
struct io_bb_pinset *pins = bus->priv;
|
|
|
|
out_be32((void *)GPIO0_TCR,
|
|
in_be32((void *)GPIO0_TCR) & ~pins->mdio);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int io_bb_set_mdio(struct bb_miiphy_bus *bus, int v)
|
|
{
|
|
struct io_bb_pinset *pins = bus->priv;
|
|
|
|
if (v)
|
|
out_be32((void *)GPIO0_OR,
|
|
in_be32((void *)GPIO0_OR) | pins->mdio);
|
|
else
|
|
out_be32((void *)GPIO0_OR,
|
|
in_be32((void *)GPIO0_OR) & ~pins->mdio);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int io_bb_get_mdio(struct bb_miiphy_bus *bus, int *v)
|
|
{
|
|
struct io_bb_pinset *pins = bus->priv;
|
|
|
|
*v = ((in_be32((void *)GPIO0_IR) & pins->mdio) != 0);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int io_bb_set_mdc(struct bb_miiphy_bus *bus, int v)
|
|
{
|
|
struct io_bb_pinset *pins = bus->priv;
|
|
|
|
if (v)
|
|
out_be32((void *)GPIO0_OR,
|
|
in_be32((void *)GPIO0_OR) | pins->mdc);
|
|
else
|
|
out_be32((void *)GPIO0_OR,
|
|
in_be32((void *)GPIO0_OR) & ~pins->mdc);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int io_bb_delay(struct bb_miiphy_bus *bus)
|
|
{
|
|
udelay(1);
|
|
|
|
return 0;
|
|
}
|
|
|
|
struct io_bb_pinset io_bb_pinsets[] = {
|
|
{
|
|
.mdio = CONFIG_SYS_MDIO_PIN,
|
|
.mdc = CONFIG_SYS_MDC_PIN,
|
|
},
|
|
#ifdef CONFIG_SYS_GBIT_MII1_BUSNAME
|
|
{
|
|
.mdio = CONFIG_SYS_MDIO1_PIN,
|
|
.mdc = CONFIG_SYS_MDC1_PIN,
|
|
},
|
|
#endif
|
|
};
|
|
|
|
struct bb_miiphy_bus bb_miiphy_buses[] = {
|
|
{
|
|
.name = CONFIG_SYS_GBIT_MII_BUSNAME,
|
|
.init = io_bb_mii_init,
|
|
.mdio_active = io_bb_mdio_active,
|
|
.mdio_tristate = io_bb_mdio_tristate,
|
|
.set_mdio = io_bb_set_mdio,
|
|
.get_mdio = io_bb_get_mdio,
|
|
.set_mdc = io_bb_set_mdc,
|
|
.delay = io_bb_delay,
|
|
.priv = &io_bb_pinsets[0],
|
|
},
|
|
#ifdef CONFIG_SYS_GBIT_MII1_BUSNAME
|
|
{
|
|
.name = CONFIG_SYS_GBIT_MII1_BUSNAME,
|
|
.init = io_bb_mii_init,
|
|
.mdio_active = io_bb_mdio_active,
|
|
.mdio_tristate = io_bb_mdio_tristate,
|
|
.set_mdio = io_bb_set_mdio,
|
|
.get_mdio = io_bb_get_mdio,
|
|
.set_mdc = io_bb_set_mdc,
|
|
.delay = io_bb_delay,
|
|
.priv = &io_bb_pinsets[1],
|
|
},
|
|
#endif
|
|
};
|
|
|
|
int bb_miiphy_buses_num = sizeof(bb_miiphy_buses) /
|
|
sizeof(bb_miiphy_buses[0]);
|