/* * * DaVinci EMAC initialization. * * (C) Copyright 2011, Ilya Yanok, Emcraft Systems * * 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. */ #include #include #include #include /* * Initializes on-chip ethernet controllers. * to override, implement board_eth_init() */ int cpu_eth_init(bd_t *bis) { u32 reset; /* ensure that the module is out of reset */ reset = readl(&am35x_scm_general_regs->ip_sw_reset); reset &= ~CPGMACSS_SW_RST; writel(reset, &am35x_scm_general_regs->ip_sw_reset); return davinci_emac_initialize(); }