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annotate packages/hal/mips/malta/current/src/smsc37m81x.c @ 2729:74dbf4c3f2e1 after-copyright-change-20090129

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Update all copyright banners to reflect FSF ownership; fix and improve licence text.
author jlarmour
date Thu, 29 Jan 2009 17:47:46 +0000
parents d2c90368aeef
children
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1 //=============================================================================
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2 //
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3 // smsc37m81x.c
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4 //
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5 // Init code for SMSC 37m81x super IO controller
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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 Free Software Foundation, Inc.
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12 //
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13 // eCos is free software; you can redistribute it and/or modify it under
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14 // the terms of the GNU General Public License as published by the Free
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15 // Software Foundation; either version 2 or (at your option) any later
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16 // version.
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17 //
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18 // eCos is distributed in the hope that it will be useful, but WITHOUT
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19 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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20 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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21 // for more details.
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22 //
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23 // You should have received a copy of the GNU General Public License
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24 // along with eCos; if not, write to the Free Software Foundation, Inc.,
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25 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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26 //
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27 // As a special exception, if other files instantiate templates or use
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28 // macros or inline functions from this file, or you compile this file
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29 // and link it with other works to produce a work based on this file,
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30 // this file does not by itself cause the resulting work to be covered by
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31 // the GNU General Public License. However the source code for this file
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32 // must still be made available in accordance with section (3) of the GNU
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33 // General Public License v2.
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34 //
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35 // This exception does not invalidate any other reasons why a work based
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36 // on this file might be covered by the GNU General Public License.
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37 // -------------------------------------------
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38 // ####ECOSGPLCOPYRIGHTEND####
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39 //=============================================================================
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40 //#####DESCRIPTIONBEGIN####
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41 //
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42 // Author(s): jskov
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43 // Contributors:jskov
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44 // Date: 2001-04-02
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45 // Description: Init code for SMSC 37m81x super IO controller
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46 //
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47 //####DESCRIPTIONEND####
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48 //
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49 //=============================================================================
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50
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51 #include <pkgconf/hal.h>
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52 #include CYGBLD_HAL_PLATFORM_H
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53
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54 #include <cyg/hal/hal_arch.h> // SAVE/RESTORE GP macros
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55 #include <cyg/hal/hal_io.h> // IO macros
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56 #include <cyg/hal/hal_intr.h> // interrupt vectors
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57
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58
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59 // From page 137+ in SMSC-37m81x.pdf
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60 #define SMSC_CONFIG 0xb80003f0
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61 #define SMSC_CONFIG_DATA 0xb80003f1
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62
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63 #define SMSC_CONFIG_DEV 0x07
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64 #define SMSC_CONFIG_ACTIVATE 0x30
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65 #define SMSC_CONFIG_ENTER 0x55
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66 #define SMSC_CONFIG_BASE_HIGH 0x60
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67 #define SMSC_CONFIG_BASE_LOW 0x61
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68 #define SMSC_CONFIG_IRQ 0x70
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69 #define SMSC_CONFIG_EXIT 0xaa
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70 #define SMSC_CONFIG_MODE 0xf0
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71
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72 #define SMSC_CONFIG_DEV_COM1 0x04
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73 #define SMSC_CONFIG_DEV_COM2 0x05
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74
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75 #define SMSC_CONFIG_MODE_HIGH 0x02
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76
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77 #define SMSC_CONFIG_ACTIVATE_ENABLE 0x01
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78
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79
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80 void
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81 cyg_hal_init_superIO(void)
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82 {
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83 HAL_WRITE_UINT8(SMSC_CONFIG, SMSC_CONFIG_ENTER);
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84
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85 // Configure and enable COM1
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86 HAL_WRITE_UINT8(SMSC_CONFIG, SMSC_CONFIG_DEV);
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87 HAL_WRITE_UINT8(SMSC_CONFIG_DATA, SMSC_CONFIG_DEV_COM1);
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88
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89 HAL_WRITE_UINT8(SMSC_CONFIG, SMSC_CONFIG_BASE_HIGH);
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90 HAL_WRITE_UINT8(SMSC_CONFIG_DATA, 0x03);
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91 HAL_WRITE_UINT8(SMSC_CONFIG, SMSC_CONFIG_BASE_LOW);
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92 HAL_WRITE_UINT8(SMSC_CONFIG_DATA, 0xf8);
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93
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94 HAL_WRITE_UINT8(SMSC_CONFIG, SMSC_CONFIG_IRQ);
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95 HAL_WRITE_UINT8(SMSC_CONFIG_DATA,
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96 (CYGNUM_HAL_INTERRUPT_TTY0-CYGNUM_HAL_INTERRUPT_EXTERNAL_BASE));
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97
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98 HAL_WRITE_UINT8(SMSC_CONFIG, SMSC_CONFIG_MODE);
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99 HAL_WRITE_UINT8(SMSC_CONFIG_DATA, SMSC_CONFIG_MODE_HIGH);
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100
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101 HAL_WRITE_UINT8(SMSC_CONFIG, SMSC_CONFIG_ACTIVATE);
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102 HAL_WRITE_UINT8(SMSC_CONFIG_DATA, SMSC_CONFIG_ACTIVATE_ENABLE);
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103
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104 // Configure and enable COM2
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105 HAL_WRITE_UINT8(SMSC_CONFIG, SMSC_CONFIG_DEV);
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106 HAL_WRITE_UINT8(SMSC_CONFIG_DATA, SMSC_CONFIG_DEV_COM2);
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107
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108 HAL_WRITE_UINT8(SMSC_CONFIG, SMSC_CONFIG_BASE_HIGH);
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109 HAL_WRITE_UINT8(SMSC_CONFIG_DATA, 0x02);
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110 HAL_WRITE_UINT8(SMSC_CONFIG, SMSC_CONFIG_BASE_LOW);
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111 HAL_WRITE_UINT8(SMSC_CONFIG_DATA, 0xf8);
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112
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113 HAL_WRITE_UINT8(SMSC_CONFIG, SMSC_CONFIG_IRQ);
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114 HAL_WRITE_UINT8(SMSC_CONFIG_DATA,
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115 (CYGNUM_HAL_INTERRUPT_TTY1-CYGNUM_HAL_INTERRUPT_EXTERNAL_BASE));
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116
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117 HAL_WRITE_UINT8(SMSC_CONFIG, SMSC_CONFIG_MODE);
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118 HAL_WRITE_UINT8(SMSC_CONFIG_DATA, SMSC_CONFIG_MODE_HIGH);
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119
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120 HAL_WRITE_UINT8(SMSC_CONFIG, SMSC_CONFIG_ACTIVATE);
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121 HAL_WRITE_UINT8(SMSC_CONFIG_DATA, SMSC_CONFIG_ACTIVATE_ENABLE);
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122
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123 HAL_WRITE_UINT8(SMSC_CONFIG, SMSC_CONFIG_EXIT);
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124
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125 }
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126
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127 //-----------------------------------------------------------------------------
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128 // end of smsc37m81x.c
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129