[people/ms/u-boot.git] / arch / arm / mach-davinci / et1011c.c

/*
 * 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 */
Commit	Line	Data
840f8923 SP	1	/*
	2	* LSI ET1011C PHY Driver for TI DaVinci(TMS320DM6467) board.
	3	*
	4	* Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/
	5	*
1a459660	6	* SPDX-License-Identifier: GPL-2.0+
840f8923 SP	7	*/
	8
	9	#include <common.h>
	10	#include <net.h>
	11	#include <miiphy.h>
	12	#include <asm/arch/emac_defs.h>
601fbec7	13	#include "../../../drivers/net/davinci_emac.h"
840f8923 SP	14
	15	#ifdef CONFIG_DRIVER_TI_EMAC
	16
	17	#ifdef CONFIG_CMD_NET
	18
	19	/* LSI PHYSICAL LAYER TRANSCEIVER ET1011C */
	20
	21	#define MII_PHY_CONFIG_REG 22
	22
	23	/* PHY Config bits */
	24	#define PHY_SYS_CLK_EN (1 << 4)
	25
	26	int et1011c_get_link_speed(int phy_addr)
	27	{
	28	u_int16_t data;
	29
	30	if (davinci_eth_phy_read(phy_addr, MII_STATUS_REG, &data) && (data & 0x04)) {
fb1d6332	31	davinci_eth_phy_read(phy_addr, MII_PHY_CONFIG_REG, &data);
840f8923	32	/* Enable 125MHz clock sourced from PHY */
fb1d6332	33	davinci_eth_phy_write(phy_addr, MII_PHY_CONFIG_REG,
840f8923 SP	34	data \| PHY_SYS_CLK_EN);
	35	return (1);
	36	}
	37	return (0);
	38	}
	39
	40	#endif /* CONFIG_CMD_NET */
	41
	42	#endif /* CONFIG_DRIVER_ETHER */