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net, davinci_emac: add KSZ8864 switch
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>
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4 changed files with 82 additions and 1 deletions
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@ -32,7 +32,7 @@ COBJS-$(CONFIG_SOC_DM355) += dm355.o
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COBJS-$(CONFIG_SOC_DM365) += dm365.o
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COBJS-$(CONFIG_SOC_DM644X) += dm644x.o
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COBJS-$(CONFIG_SOC_DM646X) += dm646x.o
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COBJS-$(CONFIG_DRIVER_TI_EMAC) += lxt972.o dp83848.o et1011c.o
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COBJS-$(CONFIG_DRIVER_TI_EMAC) += lxt972.o dp83848.o et1011c.o ksz8873.o
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SOBJS = reset.o
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68
arch/arm/cpu/arm926ejs/davinci/ksz8873.c
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68
arch/arm/cpu/arm926ejs/davinci/ksz8873.c
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@ -0,0 +1,68 @@
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/*
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* Micrel KSZ8873 PHY Driver for TI DaVinci
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* (TMS320DM644x) based boards.
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*
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* Copyright (C) 2011 Heiko Schocher <hsdenx.de>
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*
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* based on:
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* National Semiconductor DP83848 PHY Driver for TI DaVinci
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* (TMS320DM644x) based boards.
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*
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* Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
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*
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* --------------------------------------------------------
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <common.h>
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#include <miiphy.h>
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#include <net.h>
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#include <asm/arch/emac_defs.h>
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#include <asm/io.h>
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int ksz8873_is_phy_connected(int phy_addr)
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{
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u_int16_t dummy;
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return davinci_eth_phy_read(phy_addr, MII_PHYSID1, &dummy);
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}
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int ksz8873_get_link_speed(int phy_addr)
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{
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emac_regs *emac = (emac_regs *)EMAC_BASE_ADDR;
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/* we always have a link to the switch, 100 FD */
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writel((EMAC_MACCONTROL_MIIEN_ENABLE |
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EMAC_MACCONTROL_FULLDUPLEX_ENABLE),
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&emac->MACCONTROL);
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return 1;
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}
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int ksz8873_init_phy(int phy_addr)
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{
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return 1;
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}
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int ksz8873_auto_negotiate(int phy_addr)
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{
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return dp83848_get_link_speed(phy_addr);
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}
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@ -377,6 +377,12 @@ typedef struct
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int (*auto_negotiate)(int phy_addr);
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} phy_t;
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#define PHY_KSZ8873 (0x00221450)
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int ksz8873_is_phy_connected(int phy_addr);
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int ksz8873_get_link_speed(int phy_addr);
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int ksz8873_init_phy(int phy_addr);
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int ksz8873_auto_negotiate(int phy_addr);
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#define PHY_LXT972 (0x001378e2)
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int lxt972_is_phy_connected(int phy_addr);
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int lxt972_get_link_speed(int phy_addr);
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@ -711,6 +711,13 @@ int davinci_emac_initialize(void)
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phy_id |= tmp & 0x0000ffff;
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switch (phy_id) {
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case PHY_KSZ8873:
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sprintf(phy.name, "KSZ8873 @ 0x%02x", active_phy_addr);
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phy.init = ksz8873_init_phy;
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phy.is_phy_connected = ksz8873_is_phy_connected;
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phy.get_link_speed = ksz8873_get_link_speed;
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phy.auto_negotiate = ksz8873_auto_negotiate;
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break;
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case PHY_LXT972:
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sprintf(phy.name, "LXT972 @ 0x%02x", active_phy_addr);
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phy.init = lxt972_init_phy;
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