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