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net, davinci_emac: add KSZ8864 switch

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Signed-off-by: Heiko Schocher <hs@denx.de>
Cc: Paulraj Sandeep <s-paulraj@ti.com>
Cc: Albert ARIBAUD <albert.u.boot@aribaud.net>
Cc: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
This commit is contained in:
Heiko Schocher 2011-09-18 19:49:25 +00:00 committed by Albert ARIBAUD
parent 49d6da6032
commit 4f3c42aca4
4 changed files with 82 additions and 1 deletions
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2
arch/arm/cpu/arm926ejs/davinci/Makefile
View file

@ -32,7 +32,7 @@ COBJS-$(CONFIG_SOC_DM355) += dm355.o
COBJS-$(CONFIG_SOC_DM365) += dm365.o
COBJS-$(CONFIG_SOC_DM644X) += dm644x.o
COBJS-$(CONFIG_SOC_DM646X) += dm646x.o
COBJS-$(CONFIG_DRIVER_TI_EMAC) += lxt972.o dp83848.o et1011c.o
COBJS-$(CONFIG_DRIVER_TI_EMAC) += lxt972.o dp83848.o et1011c.o ksz8873.o
SOBJS = reset.o

68
arch/arm/cpu/arm926ejs/davinci/ksz8873.c Normal file
View file

@ -0,0 +1,68 @@
/*
* 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>
*
* --------------------------------------------------------
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <common.h>
#include <miiphy.h>
#include <net.h>
#include <asm/arch/emac_defs.h>
#include <asm/io.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);
}

6
arch/arm/include/asm/arch-davinci/emac_defs.h
View file

@ -377,6 +377,12 @@ typedef struct
int (*auto_negotiate)(int phy_addr);
} phy_t;
#define PHY_KSZ8873 (0x00221450)
int ksz8873_is_phy_connected(int phy_addr);
int ksz8873_get_link_speed(int phy_addr);
int ksz8873_init_phy(int phy_addr);
int ksz8873_auto_negotiate(int phy_addr);
#define PHY_LXT972 (0x001378e2)
int lxt972_is_phy_connected(int phy_addr);
int lxt972_get_link_speed(int phy_addr);

7
drivers/net/davinci_emac.c
View file

@ -711,6 +711,13 @@ int davinci_emac_initialize(void)
phy_id |= tmp & 0x0000ffff;
switch (phy_id) {
case PHY_KSZ8873:
sprintf(phy.name, "KSZ8873 @ 0x%02x", active_phy_addr);
phy.init = ksz8873_init_phy;
phy.is_phy_connected = ksz8873_is_phy_connected;
phy.get_link_speed = ksz8873_get_link_speed;
phy.auto_negotiate = ksz8873_auto_negotiate;
break;
case PHY_LXT972:
sprintf(phy.name, "LXT972 @ 0x%02x", active_phy_addr);
phy.init = lxt972_init_phy;