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[/] [openrisc/] [trunk/] [rtos/] [ecos-3.0/] [packages/] [devs/] [eth/] [phy/] [current/] [src/] [DP83847.c] - Blame information for rev 808

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Line No. Rev Author Line
1 786 skrzyp
//==========================================================================
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//
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//      dev/DP83847.c
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//
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//      Ethernet transceiver (PHY) support 
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//
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//==========================================================================
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// ####ECOSGPLCOPYRIGHTBEGIN####                                            
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// -------------------------------------------                              
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// This file is part of eCos, the Embedded Configurable Operating System.   
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// Copyright (C) 2003 Free Software Foundation, Inc.                        
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//
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// eCos is free software; you can redistribute it and/or modify it under    
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// the terms of the GNU General Public License as published by the Free     
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// Software Foundation; either version 2 or (at your option) any later      
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// version.                                                                 
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//
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// eCos is distributed in the hope that it will be useful, but WITHOUT      
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// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or    
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// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License    
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// 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 eCos; if not, write to the Free Software Foundation, Inc.,    
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// 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.            
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//
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// As a special exception, if other files instantiate templates or use      
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// macros or inline functions from this file, or you compile this file      
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// and link it with other works to produce a work based on this file,       
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// this file does not by itself cause the resulting work to be covered by   
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// the GNU General Public License. However the source code for this file    
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// must still be made available in accordance with section (3) of the GNU   
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// General Public License v2.                                               
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//
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// This exception does not invalidate any other reasons why a work based    
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// on this file might be covered by the GNU General Public License.         
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// -------------------------------------------                              
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// ####ECOSGPLCOPYRIGHTEND####                                              
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//==========================================================================
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//#####DESCRIPTIONBEGIN####
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//
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// Author(s):    gthomas
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// Contributors: ccoutand
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// Date:         2003-08-01
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// Purpose:      
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// Description:  Support for ethernet NS DP8384X PHY
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//              
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//
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//####DESCRIPTIONEND####
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//
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//==========================================================================
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#include <pkgconf/system.h>
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#include <pkgconf/devs_eth_phy.h>
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#include <cyg/infra/cyg_type.h>
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#include <cyg/hal/hal_arch.h>
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#include <cyg/hal/drv_api.h>
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#include <cyg/hal/hal_if.h>
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#include <cyg/hal/hal_tables.h>
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#include <cyg/io/eth_phy.h>
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#include <cyg/io/eth_phy_dev.h>
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static bool dp8384x_stat(eth_phy_access_t *f, int *state)
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{
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    unsigned short phy_state;
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    int tries;
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    // Read negotiated state
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    if (_eth_phy_read(f, 0x10, f->phy_addr, &phy_state)) {
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        if ((phy_state & 0x10) == 0) {
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            eth_phy_printf("... waiting for auto-negotiation");
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            for (tries = 0;  tries < CYGINT_DEVS_ETH_PHY_AUTO_NEGOTIATION_TIME;  tries++) {
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                if (_eth_phy_read(f, 0x10, f->phy_addr, &phy_state)) {
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                    if ((phy_state & 0x10) != 0) {
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                        break;
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                    }
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                }
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                CYGACC_CALL_IF_DELAY_US(1000000);   // 1 second
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                eth_phy_printf(".");
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            }
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            eth_phy_printf("\n");
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        }
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        if ((phy_state & 0x10) != 0) {
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            *state = 0;
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            if ((phy_state & 0x0001) != 0) *state |= ETH_PHY_STAT_LINK;
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            if ((phy_state & 0x0002) == 0) *state |= ETH_PHY_STAT_100MB;
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            if ((phy_state & 0x0004) != 0) *state |= ETH_PHY_STAT_FDX;
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            return true;
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        }
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    }
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    return false;
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}
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_eth_phy_dev("National Semiconductor DP83847", 0x20005c30, dp8384x_stat)
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_eth_phy_dev("National Semiconductor DP83848C", 0x20005c90, dp8384x_stat)

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