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annotate packages/hal/powerpc/adder/current/src/hal_aux.c @ 2863:7d8c61e6225c default tip

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* Added execute permissions to files missed in conversion from CVS
author alexs
date Thu, 26 Mar 2009 20:39:18 +0000
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1 //=============================================================================
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2 //
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3 // hal_aux.c
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4 //
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5 // HAL auxiliary objects and code; per platform
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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 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): hmt
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43 // Contributors:hmt
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44 // Date: 1999-06-08
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45 // Purpose: HAL aux objects: startup tables.
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46 // Description: Tables for per-platform initialization
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47 //
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48 //####DESCRIPTIONEND####
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49 //
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50 //=============================================================================
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51
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52 #include <pkgconf/hal.h>
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53 #include <pkgconf/hal_powerpc_quicc.h>
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54
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55 #include <cyg/infra/cyg_type.h>
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56 #include <cyg/hal/hal_mem.h> // HAL memory definitions
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57 #define CYGARC_HAL_COMMON_EXPORT_CPU_MACROS
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58 #include <cyg/hal/ppc_regs.h>
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59 #include <cyg/hal/quicc/ppc8xx.h>
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60 #include <cyg/hal/hal_if.h> // hal_if_init
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61 #include <cyg/hal/hal_io.h>
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62 #include CYGHWR_MEMORY_LAYOUT_H
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63
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64 // The memory map is weakly defined, allowing the application to redefine
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65 // it if necessary. The regions defined below are the minimum requirements.
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66 CYGARC_MEMDESC_TABLE CYGBLD_ATTRIB_WEAK = {
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67 // Mapping for the Adder 85x development boards
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68 CYGARC_MEMDESC_CACHE( 0xfe000000, 0x00800000 ), // ROM region
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69 CYGARC_MEMDESC_NOCACHE( 0xff000000, 0x00100000 ), // MCP registers
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70 CYGARC_MEMDESC_NOCACHE( 0xfa000000, 0x00400000 ), // Control/Status+LEDs
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71 CYGARC_MEMDESC_CACHE( CYGMEM_REGION_ram, CYGMEM_REGION_ram_SIZE ), // Main memory
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72
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73 CYGARC_MEMDESC_TABLE_END
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74 };
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75
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76 void
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77 _adder_set_leds(int pat);
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78
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79 //--------------------------------------------------------------------------
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80 // Platform init code.
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81 void
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82 hal_platform_init(void)
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83 {
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84 volatile EPPC *eppc = (volatile EPPC *)eppc_base();
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85
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86 // Special routing information for CICR
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87 eppc->cpmi_cicr &= ~0xFF0000; // Routing bits
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88 eppc->cpmi_cicr |= 0x240000; // SCC2, SCC3 on "normal" bit positions
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89
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90 #if defined(CYGHWR_HAL_POWERPC_ADDER_I)
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91 eppc->pip_pbpar &= ~0x0000400E; // PB29..30 AS GPIO
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92 eppc->pip_pbdir |= 0x0000400E;
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93 eppc->pip_pbdat = 0x00004000;
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94 #endif
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95
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96 #if defined(CYGHWR_HAL_POWERPC_ADDER_II)
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97
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98 #if defined(CYGHWR_HAL_POWERPC_MPC8XX_852T)
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99 // Special settings - according to manual errata
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100 eppc->pio_papar &= ~0xffffffff; // PA manatory settings
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101 eppc->pio_padir |= 0xffffffff;
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102
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103 eppc->pip_pbpar &= ~0x0003ff07; // PB29..31 AS GPIO
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104 eppc->pip_pbdir |= 0x0003ff07;
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105 eppc->pip_pbdat = 0x00010007;
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106
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107 eppc->pio_pcpar &= ~0xffffffff; // PC manatory settings
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108 eppc->pio_pcdir |= 0xffffffff;
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109 #endif
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110
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111 eppc->pip_pbpar &= ~0x00000007; // PB29..31 AS GPIO for LEDS
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112 eppc->pip_pbdir |= 0x00000007;
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113 eppc->pip_pbdat |= 0x00000007;
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114 #endif
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115
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116 hal_if_init();
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117
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118 _adder_set_leds(0x1);
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119 }
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120
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121 #ifdef CYGHWR_HAL_POWERPC_ADDER_I
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122 void
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123 _adder_set_leds(int pat)
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124 {
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125 volatile EPPC *eppc = (volatile EPPC *)eppc_base();
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126
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127 eppc->pip_pbdat = (eppc->pip_pbdat & ~0x0000000E) | (pat << 1);
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128 }
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129
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130 int
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131 _adder_get_leds(void)
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132 {
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133 volatile EPPC *eppc = (volatile EPPC *)eppc_base();
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134
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135 return ((eppc->pip_pbdat & 0x0000000E) >> 1);
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136 }
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137 #endif
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138
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139 #ifdef CYGHWR_HAL_POWERPC_ADDER_II
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140 void
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141 _adder_set_leds(int pat)
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142 {
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143 volatile EPPC *eppc = (volatile EPPC *)eppc_base();
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144
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145 eppc->pip_pbdat = (eppc->pip_pbdat & ~0x00000007) |(~(pat&0x0007) );
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146 }
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147
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148 int
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149 _adder_get_leds(void)
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150 {
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151 volatile EPPC *eppc = (volatile EPPC *)eppc_base();
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152
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153 return ((~(eppc->pip_pbdat & 0x00000007)) & 0x0007 );
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154 }
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155 #endif
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156
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157 // EOF hal_aux.c