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annotate packages/devs/eth/phy/current/src/VSC8641.c @ 3292:7f8e529b4d82 default tip

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Fix FREESCALE_EDMA_NBYTES_MLOFFYES_MLOFF() so it works with negative offsets.
author vae
date Wed, 29 Apr 2015 23:31:48 +0000
parents 31c9ab39babe
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
2960
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1 //==========================================================================
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2 //
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3 // phy/VSC8641.c
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4 //
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5 // Ethernet PHY driver
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6 //
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7 //==========================================================================
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8 // ####ECOSGPLCOPYRIGHTBEGIN####
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9 // -------------------------------------------
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10 // This file is part of eCos, the Embedded Configurable Operating System.
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11 // Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007,
31c9ab39babe * doc/eth_phy.sgml, include/eth_phy.h: Add Ethernet Gigabit Mode
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12 // 2008, 2009 Free Software Foundation, Inc.
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13 //
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14 // eCos is free software; you can redistribute it and/or modify it under
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15 // the terms of the GNU General Public License as published by the Free
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16 // Software Foundation; either version 2 or (at your option) any later
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17 // version.
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18 //
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19 // eCos is distributed in the hope that it will be useful, but WITHOUT
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20 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
31c9ab39babe * doc/eth_phy.sgml, include/eth_phy.h: Add Ethernet Gigabit Mode
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21 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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22 // for more details.
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23 //
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24 // You should have received a copy of the GNU General Public License
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25 // along with eCos; if not, write to the Free Software Foundation, Inc.,
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26 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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27 //
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28 // As a special exception, if other files instantiate templates or use
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29 // macros or inline functions from this file, or you compile this file
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30 // and link it with other works to produce a work based on this file,
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31 // this file does not by itself cause the resulting work to be covered by
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32 // the GNU General Public License. However the source code for this file
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33 // must still be made available in accordance with section (3) of the GNU
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34 // General Public License v2.
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35 //
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36 // This exception does not invalidate any other reasons why a work based
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37 // on this file might be covered by the GNU General Public License.
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38 // -------------------------------------------
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39 // ####ECOSGPLCOPYRIGHTEND####
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40 //==========================================================================
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41 //#####DESCRIPTIONBEGIN####
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42 //
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43 // Author(s): Sachin Sushil Chaddha
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44 // Contributors:
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45 // Date: 2009-11-01
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46 // Purpose:
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47 // Description: Hardware driver for Ethernet PHY Vitesse VSC8641
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48 //
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49 //
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50 //####DESCRIPTIONEND####
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51 //
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52 //==========================================================================
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53
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54 #include <pkgconf/system.h>
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55 #include <pkgconf/devs_eth_phy.h>
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56
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57 #include <cyg/infra/cyg_type.h>
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58
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59 #include <cyg/hal/hal_arch.h>
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60 #include <cyg/hal/drv_api.h>
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61 #include <cyg/hal/hal_if.h>
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62 #include <cyg/hal/hal_tables.h>
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63
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64 #include <cyg/io/eth_phy.h>
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65 #include <cyg/io/eth_phy_dev.h>
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66
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67 #include "VSC8641.h"
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68
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69 static bool VSC8641_stat(eth_phy_access_t *f, int *state)
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70 {
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71 unsigned short phy_state;
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72 int tries;
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73 int auto_completed = 1;
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74 int link_up = 0;
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75
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76 // Read negotiated state from the Quick Poll Detailed Status Register
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77 if (_eth_phy_read(f, VSC8641_MII_STAT_REG, f->phy_addr, &phy_state))
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78 {
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79
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80 if ((phy_state & VSC8641_AUTO_COMPLETED) == 0)
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81 {
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82 auto_completed = 0;
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83 eth_phy_printf("... waiting for auto-negotiation");
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84 for (tries = 0; tries < CYGINT_DEVS_ETH_PHY_AUTO_NEGOTIATION_TIME; tries++)
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85 {
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86 if (_eth_phy_read(f, VSC8641_MII_STAT_REG, f->phy_addr, &phy_state))
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87 {
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88 if ((phy_state & VSC8641_AUTO_COMPLETED) != 0)
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89 {
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90 auto_completed = 1;
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91 break;
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92 }
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93 }
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94 CYGACC_CALL_IF_DELAY_US(1000000); // 1 second
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95 eth_phy_printf(".");
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96 }
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97 eth_phy_printf("\n");
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98 }
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99
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100 if(phy_state & VSC8641_MII_PHY_STAT_LINK_UP)
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101 link_up = 1;
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102
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103 if(auto_completed)
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104 {
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105 _eth_phy_read(f, VSC8641_MII_PHY_STAT_REG, f->phy_addr, &phy_state);
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106
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107 if(link_up)
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108 *state |= ETH_PHY_STAT_LINK;
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109 if(phy_state & VSC8641_MII_PHY_STAT_1000MB )
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110 *state |= ETH_PHY_STAT_1000MB;
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111 if(phy_state & VSC8641_MII_PHY_STAT_100MB)
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112 *state |= ETH_PHY_STAT_100MB;
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113 if(phy_state & VSC8641_MII_PHY_STAT_DUPLEX_FULL)
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114 *state |= ETH_PHY_STAT_FDX;
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115 return true;
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116 }
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117
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118 }
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119 return false;
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120 }
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121
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122
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123 _eth_phy_dev("Vitesse VSC8641", 0x00070431, VSC8641_stat)