3 * Dirk Eibach, Guntermann & Drunck GmbH, eibach@gdsys.de
5 * SPDX-License-Identifier: GPL-2.0+
18 static int io_bb_mii_init(struct bb_miiphy_bus *bus)
23 static int io_bb_mdio_active(struct bb_miiphy_bus *bus)
25 struct io_bb_pinset *pins = bus->priv;
27 out_be32((void *)GPIO0_TCR,
28 in_be32((void *)GPIO0_TCR) | pins->mdio);
33 static int io_bb_mdio_tristate(struct bb_miiphy_bus *bus)
35 struct io_bb_pinset *pins = bus->priv;
37 out_be32((void *)GPIO0_TCR,
38 in_be32((void *)GPIO0_TCR) & ~pins->mdio);
43 static int io_bb_set_mdio(struct bb_miiphy_bus *bus, int v)
45 struct io_bb_pinset *pins = bus->priv;
48 out_be32((void *)GPIO0_OR,
49 in_be32((void *)GPIO0_OR) | pins->mdio);
51 out_be32((void *)GPIO0_OR,
52 in_be32((void *)GPIO0_OR) & ~pins->mdio);
57 static int io_bb_get_mdio(struct bb_miiphy_bus *bus, int *v)
59 struct io_bb_pinset *pins = bus->priv;
61 *v = ((in_be32((void *)GPIO0_IR) & pins->mdio) != 0);
66 static int io_bb_set_mdc(struct bb_miiphy_bus *bus, int v)
68 struct io_bb_pinset *pins = bus->priv;
71 out_be32((void *)GPIO0_OR,
72 in_be32((void *)GPIO0_OR) | pins->mdc);
74 out_be32((void *)GPIO0_OR,
75 in_be32((void *)GPIO0_OR) & ~pins->mdc);
80 static int io_bb_delay(struct bb_miiphy_bus *bus)
87 struct io_bb_pinset io_bb_pinsets[] = {
89 .mdio = CONFIG_SYS_MDIO_PIN,
90 .mdc = CONFIG_SYS_MDC_PIN,
92 #ifdef CONFIG_SYS_GBIT_MII1_BUSNAME
94 .mdio = CONFIG_SYS_MDIO1_PIN,
95 .mdc = CONFIG_SYS_MDC1_PIN,
100 struct bb_miiphy_bus bb_miiphy_buses[] = {
102 .name = CONFIG_SYS_GBIT_MII_BUSNAME,
103 .init = io_bb_mii_init,
104 .mdio_active = io_bb_mdio_active,
105 .mdio_tristate = io_bb_mdio_tristate,
106 .set_mdio = io_bb_set_mdio,
107 .get_mdio = io_bb_get_mdio,
108 .set_mdc = io_bb_set_mdc,
109 .delay = io_bb_delay,
110 .priv = &io_bb_pinsets[0],
112 #ifdef CONFIG_SYS_GBIT_MII1_BUSNAME
114 .name = CONFIG_SYS_GBIT_MII1_BUSNAME,
115 .init = io_bb_mii_init,
116 .mdio_active = io_bb_mdio_active,
117 .mdio_tristate = io_bb_mdio_tristate,
118 .set_mdio = io_bb_set_mdio,
119 .get_mdio = io_bb_get_mdio,
120 .set_mdc = io_bb_set_mdc,
121 .delay = io_bb_delay,
122 .priv = &io_bb_pinsets[1],
127 int bb_miiphy_buses_num = sizeof(bb_miiphy_buses) /
128 sizeof(bb_miiphy_buses[0]);