89 lines
2.4 KiB
C
89 lines
2.4 KiB
C
/*
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* (C) Copyright Mindspeed Technologies Inc.
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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 <config.h>
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#include <asm/arch/hardware.h>
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void reset_emac0_phy(u32 enable)
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{
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}
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void reset_emac1_phy(u32 enable)
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{
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}
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#if defined(CONFIG_GPHY_AR8035_DELAY_TUNING)
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#define AR8035_DEBUG_ADDR 0x1d
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#define AR8035_DEBUG_DATA 0x1e
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#define AR8035_DEBUG_ADDR_RX_DELAY_CTL 0x00
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#define AR8035_DEBUG_ADDR_TX_DELAY_CTL 0x05
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#define AR8035_DEBUG_DATA_RX_DELAY 0x8000
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#define AR8035_DEBUG_DATA_TX_DELAY 0x0100
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#define SET_PHY_TX_DELAY(devname, addr, enabled) _set_phy_reg_debug_data(devname, addr, AR8035_DEBUG_ADDR_TX_DELAY_CTL, AR8035_DEBUG_DATA_TX_DELAY, enabled)
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#define SET_PHY_RX_DELAY(devname, addr, enabled) _set_phy_reg_debug_data(devname, addr, AR8035_DEBUG_ADDR_RX_DELAY_CTL, AR8035_DEBUG_DATA_RX_DELAY, enabled)
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static int _set_phy_reg_debug_data(char *devname, unsigned char addr, unsigned char reg, unsigned short setting, int enabled)
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{
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unsigned short data = 0xffff;
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if(0 == miiphy_write(devname, addr, AR8035_DEBUG_ADDR, reg)) {
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if(0 == miiphy_read(devname, addr, AR8035_DEBUG_DATA, &data)) {
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if(enabled) {
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data |= setting;
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}
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else {
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data ^= setting;
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}
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if(0 == miiphy_write(devname, addr, AR8035_DEBUG_DATA, data)) {
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return 0;
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}
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}
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}
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return -1;
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}
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void config_emac_phy_delay(int phy_addr)
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{
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char *gemac0_devname = "comcerto_gemac0";
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char *gemac1_devname = "comcerto_gemac1";
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switch(phy_addr)
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{
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case GEMAC0_PHY_ADDR :
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SET_PHY_TX_DELAY(gemac0_devname, GEMAC0_PHY_ADDR, 1);
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SET_PHY_RX_DELAY(gemac0_devname, GEMAC0_PHY_ADDR, 1);
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break;
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case GEMAC1_PHY_ADDR :
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SET_PHY_TX_DELAY(gemac1_devname, GEMAC1_PHY_ADDR, 1);
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SET_PHY_RX_DELAY(gemac1_devname, GEMAC1_PHY_ADDR, 1);
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break;
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default :
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break;
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}
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}
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#endif
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