| Sandeep Paulraj | 3c86e5e | 2010-12-28 15:43:16 -0500 | [diff] [blame^] | 1 | /* |
| 2 | * LSI ET1011C PHY Driver for TI DaVinci(TMS320DM6467) board. |
| 3 | * |
| 4 | * Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/ |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; either version 2 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License |
| 17 | * along with this program; if not, write to the Free Software |
| 18 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 19 | */ |
| 20 | |
| 21 | #include <common.h> |
| 22 | #include <net.h> |
| 23 | #include <miiphy.h> |
| 24 | #include <asm/arch/emac_defs.h> |
| 25 | |
| 26 | #ifdef CONFIG_DRIVER_TI_EMAC |
| 27 | |
| 28 | #ifdef CONFIG_CMD_NET |
| 29 | |
| 30 | /* LSI PHYSICAL LAYER TRANSCEIVER ET1011C */ |
| 31 | |
| 32 | #define MII_PHY_CONFIG_REG 22 |
| 33 | |
| 34 | /* PHY Config bits */ |
| 35 | #define PHY_SYS_CLK_EN (1 << 4) |
| 36 | |
| 37 | int et1011c_get_link_speed(int phy_addr) |
| 38 | { |
| 39 | u_int16_t data; |
| 40 | |
| 41 | if (davinci_eth_phy_read(phy_addr, MII_STATUS_REG, &data) && (data & 0x04)) { |
| 42 | davinci_eth_phy_read(EMAC_MDIO_PHY_NUM, |
| 43 | MII_PHY_CONFIG_REG, &data); |
| 44 | /* Enable 125MHz clock sourced from PHY */ |
| 45 | davinci_eth_phy_write(EMAC_MDIO_PHY_NUM, |
| 46 | MII_PHY_CONFIG_REG, |
| 47 | data | PHY_SYS_CLK_EN); |
| 48 | return (1); |
| 49 | } |
| 50 | return (0); |
| 51 | } |
| 52 | |
| 53 | #endif /* CONFIG_CMD_NET */ |
| 54 | |
| 55 | #endif /* CONFIG_DRIVER_ETHER */ |