/* * (C) Copyright 2010 * Dirk Eibach, Guntermann & Drunck GmbH, eibach@gdsys.de * * See file CREDITS for list of people who contributed to this * project. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA */ #include <common.h> #include <miiphy.h> #include <asm/io.h> static int io_bb_mii_init(struct bb_miiphy_bus *bus) { return 0; } static int io_bb_mdio_active(struct bb_miiphy_bus *bus) { out_be32((void *)GPIO0_TCR, in_be32((void *)GPIO0_TCR) | CONFIG_SYS_MDIO_PIN); return 0; } static int io_bb_mdio_tristate(struct bb_miiphy_bus *bus) { out_be32((void *)GPIO0_TCR, in_be32((void *)GPIO0_TCR) & ~CONFIG_SYS_MDIO_PIN); return 0; } static int io_bb_set_mdio(struct bb_miiphy_bus *bus, int v) { if (v) out_be32((void *)GPIO0_OR, in_be32((void *)GPIO0_OR) | CONFIG_SYS_MDIO_PIN); else out_be32((void *)GPIO0_OR, in_be32((void *)GPIO0_OR) & ~CONFIG_SYS_MDIO_PIN); return 0; } static int io_bb_get_mdio(struct bb_miiphy_bus *bus, int *v) { *v = ((in_be32((void *)GPIO0_IR) & CONFIG_SYS_MDIO_PIN) != 0); return 0; } static int io_bb_set_mdc(struct bb_miiphy_bus *bus, int v) { if (v) out_be32((void *)GPIO0_OR, in_be32((void *)GPIO0_OR) | CONFIG_SYS_MDC_PIN); else out_be32((void *)GPIO0_OR, in_be32((void *)GPIO0_OR) & ~CONFIG_SYS_MDC_PIN); return 0; } static int io_bb_delay(struct bb_miiphy_bus *bus) { udelay(1); return 0; } 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, } }; int bb_miiphy_buses_num = sizeof(bb_miiphy_buses) / sizeof(bb_miiphy_buses[0]);