54 lines
1.1 KiB
C
54 lines
1.1 KiB
C
/*
|
|
* Micrel KSZ8873 PHY Driver for TI DaVinci
|
|
* (TMS320DM644x) based boards.
|
|
*
|
|
* Copyright (C) 2011 Heiko Schocher <hsdenx.de>
|
|
*
|
|
* based on:
|
|
* National Semiconductor DP83848 PHY Driver for TI DaVinci
|
|
* (TMS320DM644x) based boards.
|
|
*
|
|
* Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
|
|
*
|
|
* --------------------------------------------------------
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <miiphy.h>
|
|
#include <net.h>
|
|
#include <asm/arch/emac_defs.h>
|
|
#include <asm/io.h>
|
|
#include "../../../drivers/net/davinci_emac.h"
|
|
|
|
int ksz8873_is_phy_connected(int phy_addr)
|
|
{
|
|
u_int16_t dummy;
|
|
|
|
return davinci_eth_phy_read(phy_addr, MII_PHYSID1, &dummy);
|
|
}
|
|
|
|
int ksz8873_get_link_speed(int phy_addr)
|
|
{
|
|
emac_regs *emac = (emac_regs *)EMAC_BASE_ADDR;
|
|
|
|
/* we always have a link to the switch, 100 FD */
|
|
writel((EMAC_MACCONTROL_MIIEN_ENABLE |
|
|
EMAC_MACCONTROL_FULLDUPLEX_ENABLE),
|
|
&emac->MACCONTROL);
|
|
return 1;
|
|
}
|
|
|
|
|
|
int ksz8873_init_phy(int phy_addr)
|
|
{
|
|
return 1;
|
|
}
|
|
|
|
|
|
int ksz8873_auto_negotiate(int phy_addr)
|
|
{
|
|
return dp83848_get_link_speed(phy_addr);
|
|
}
|