/*-----------------------------------------------------------------------------+ | | This source code has been made available to you by IBM on an AS-IS | basis. Anyone receiving this source is licensed under IBM | copyrights to use it in any way he or she deems fit, including | copying it, modifying it, compiling it, and redistributing it either | with or without modifications. No license under IBM patents or | patent applications is to be implied by the copyright license. | | Any user of this software should understand that IBM cannot provide | technical support for this software and will not be responsible for | any consequences resulting from the use of this software. | | Any person who transfers this source code or any derivative work | must include the IBM copyright notice, this paragraph, and the | preceding two paragraphs in the transferred software. | | COPYRIGHT I B M CORPORATION 1995 | LICENSED MATERIAL - PROGRAM PROPERTY OF I B M +-----------------------------------------------------------------------------*/ /*-----------------------------------------------------------------------------+ | | File Name: miiphy.c | | Function: This module has utilities for accessing the MII PHY through | the EMAC3 macro. | | Author: Mark Wisner | | Change Activity- | | Date Description of Change BY | --------- --------------------- --- | 05-May-99 Created MKW | 01-Jul-99 Changed clock setting of sta_reg from 66Mhz to 50Mhz to | better match OPB speed. Also modified delay times. JWB | 29-Jul-99 Added Full duplex support MKW | 24-Aug-99 Removed printf from dp83843_duplex() JWB | 19-Jul-00 Ported to esd cpci405 sr | 23-Dec-03 Ported from miiphy.c to 440GX Travis Sawyer TBS | <travis.sawyer@sandburst.com> | +-----------------------------------------------------------------------------*/ #include <common.h> #include <miiphy.h> #include "IxOsal.h" #include "IxEthAcc.h" #include "IxEthAcc_p.h" #include "IxEthAccMac_p.h" #include "IxEthAccMii_p.h" /***********************************************************/ /* Dump out to the screen PHY regs */ /***********************************************************/ void miiphy_dump (char *devname, unsigned char addr) { unsigned long i; unsigned short data; for (i = 0; i < 0x1A; i++) { if (miiphy_read (devname, addr, i, &data)) { printf ("read error for reg %lx\n", i); return; } printf ("Phy reg %lx ==> %4x\n", i, data); /* jump to the next set of regs */ if (i == 0x07) i = 0x0f; } /* end for loop */ } /* end dump */ /***********************************************************/ /* (Re)start autonegotiation */ /***********************************************************/ int phy_setup_aneg (char *devname, unsigned char addr) { unsigned short ctl, adv; /* Setup standard advertise */ miiphy_read (devname, addr, PHY_ANAR, &adv); adv |= (PHY_ANLPAR_ACK | PHY_ANLPAR_RF | PHY_ANLPAR_T4 | PHY_ANLPAR_TXFD | PHY_ANLPAR_TX | PHY_ANLPAR_10FD | PHY_ANLPAR_10); miiphy_write (devname, addr, PHY_ANAR, adv); /* Start/Restart aneg */ miiphy_read (devname, addr, PHY_BMCR, &ctl); ctl |= (PHY_BMCR_AUTON | PHY_BMCR_RST_NEG); miiphy_write (devname, addr, PHY_BMCR, ctl); return 0; } int npe_miiphy_read (char *devname, unsigned char addr, unsigned char reg, unsigned short *value) { u16 val; ixEthAccMiiReadRtn(addr, reg, &val); *value = val; return 0; } /* phy_read */ int npe_miiphy_write (char *devname, unsigned char addr, unsigned char reg, unsigned short value) { ixEthAccMiiWriteRtn(addr, reg, value); return 0; } /* phy_write */