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