| Ilya Yanok | d2452ea | 2011-11-28 06:37:35 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * |
| 3 | * DaVinci EMAC initialization. |
| 4 | * |
| 5 | * (C) Copyright 2011, Ilya Yanok, Emcraft Systems |
| 6 | * |
| 7 | * See file CREDITS for list of people who contributed to this |
| 8 | * project. |
| 9 | * |
| 10 | * This program is free software; you can redistribute it and/or |
| 11 | * modify it under the terms of the GNU General Public License as |
| 12 | * published by the Free Software Foundation; either version 2 of |
| 13 | * the License, or (at your option) any later version. |
| 14 | * |
| 15 | * This program is distributed in the hope that it will be useful, |
| 16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 18 | * GNU General Public License for more details. |
| 19 | * |
| 20 | * You should have received a copy of the GNU General Public License |
| 21 | * along with this program; if not, write to the Free Software |
| 22 | * Foundation, Inc. |
| 23 | */ |
| 24 | |
| 25 | #include <common.h> |
| 26 | #include <netdev.h> |
| 27 | #include <asm/io.h> |
| 28 | #include <asm/arch/am35x_def.h> |
| 29 | |
| 30 | /* |
| 31 | * Initializes on-chip ethernet controllers. |
| 32 | * to override, implement board_eth_init() |
| 33 | */ |
| 34 | int cpu_eth_init(bd_t *bis) |
| 35 | { |
| 36 | u32 reset; |
| 37 | |
| 38 | /* ensure that the module is out of reset */ |
| 39 | reset = readl(&am35x_scm_general_regs->ip_sw_reset); |
| 40 | reset &= ~CPGMACSS_SW_RST; |
| 41 | writel(reset, &am35x_scm_general_regs->ip_sw_reset); |
| 42 | |
| 43 | return davinci_emac_initialize(); |
| 44 | } |