1*601fbec7SMasahiro Yamada /* 2*601fbec7SMasahiro Yamada * LSI ET1011C PHY Driver for TI DaVinci(TMS320DM6467) board. 3*601fbec7SMasahiro Yamada * 4*601fbec7SMasahiro Yamada * Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/ 5*601fbec7SMasahiro Yamada * 6*601fbec7SMasahiro Yamada * SPDX-License-Identifier: GPL-2.0+ 7*601fbec7SMasahiro Yamada */ 8*601fbec7SMasahiro Yamada 9*601fbec7SMasahiro Yamada #include <common.h> 10*601fbec7SMasahiro Yamada #include <net.h> 11*601fbec7SMasahiro Yamada #include <miiphy.h> 12*601fbec7SMasahiro Yamada #include <asm/arch/emac_defs.h> 13*601fbec7SMasahiro Yamada #include "../../../drivers/net/davinci_emac.h" 14*601fbec7SMasahiro Yamada 15*601fbec7SMasahiro Yamada #ifdef CONFIG_DRIVER_TI_EMAC 16*601fbec7SMasahiro Yamada 17*601fbec7SMasahiro Yamada #ifdef CONFIG_CMD_NET 18*601fbec7SMasahiro Yamada 19*601fbec7SMasahiro Yamada /* LSI PHYSICAL LAYER TRANSCEIVER ET1011C */ 20*601fbec7SMasahiro Yamada 21*601fbec7SMasahiro Yamada #define MII_PHY_CONFIG_REG 22 22*601fbec7SMasahiro Yamada 23*601fbec7SMasahiro Yamada /* PHY Config bits */ 24*601fbec7SMasahiro Yamada #define PHY_SYS_CLK_EN (1 << 4) 25*601fbec7SMasahiro Yamada et1011c_get_link_speed(int phy_addr)26*601fbec7SMasahiro Yamadaint et1011c_get_link_speed(int phy_addr) 27*601fbec7SMasahiro Yamada { 28*601fbec7SMasahiro Yamada u_int16_t data; 29*601fbec7SMasahiro Yamada 30*601fbec7SMasahiro Yamada if (davinci_eth_phy_read(phy_addr, MII_STATUS_REG, &data) && (data & 0x04)) { 31*601fbec7SMasahiro Yamada davinci_eth_phy_read(phy_addr, MII_PHY_CONFIG_REG, &data); 32*601fbec7SMasahiro Yamada /* Enable 125MHz clock sourced from PHY */ 33*601fbec7SMasahiro Yamada davinci_eth_phy_write(phy_addr, MII_PHY_CONFIG_REG, 34*601fbec7SMasahiro Yamada data | PHY_SYS_CLK_EN); 35*601fbec7SMasahiro Yamada return (1); 36*601fbec7SMasahiro Yamada } 37*601fbec7SMasahiro Yamada return (0); 38*601fbec7SMasahiro Yamada } 39*601fbec7SMasahiro Yamada 40*601fbec7SMasahiro Yamada #endif /* CONFIG_CMD_NET */ 41*601fbec7SMasahiro Yamada 42*601fbec7SMasahiro Yamada #endif /* CONFIG_DRIVER_ETHER */ 43