43 lines
934 B
C
43 lines
934 B
C
/*
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* LSI ET1011C PHY Driver for TI DaVinci(TMS320DM6467) board.
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*
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* Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <net.h>
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#include <miiphy.h>
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#include <asm/arch/emac_defs.h>
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#include "../../../drivers/net/davinci_emac.h"
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#ifdef CONFIG_DRIVER_TI_EMAC
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#ifdef CONFIG_CMD_NET
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/* LSI PHYSICAL LAYER TRANSCEIVER ET1011C */
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#define MII_PHY_CONFIG_REG 22
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/* PHY Config bits */
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#define PHY_SYS_CLK_EN (1 << 4)
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int et1011c_get_link_speed(int phy_addr)
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{
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u_int16_t data;
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if (davinci_eth_phy_read(phy_addr, MII_STATUS_REG, &data) && (data & 0x04)) {
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davinci_eth_phy_read(phy_addr, MII_PHY_CONFIG_REG, &data);
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/* Enable 125MHz clock sourced from PHY */
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davinci_eth_phy_write(phy_addr, MII_PHY_CONFIG_REG,
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data | PHY_SYS_CLK_EN);
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return (1);
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}
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return (0);
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}
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#endif /* CONFIG_CMD_NET */
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#endif /* CONFIG_DRIVER_ETHER */
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