u-boot/arch/arm/cpu/arm926ejs/davinci/ksz8873.c
Wolfgang Denk 1a4596601f Add GPL-2.0+ SPDX-License-Identifier to source files
Signed-off-by: Wolfgang Denk <wd@denx.de>
[trini: Fixup common/cmd_io.c]
Signed-off-by: Tom Rini <trini@ti.com>
2013-07-24 09:44:38 -04:00

53 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);
}