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annotate packages/hal/arm/aim711/current/include/hal_platform_setup.h @ 1637:eeaba976ebc6

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New package for the ARM Industrial Module AIM 711 cloned from SNDS package.
author asl
date Fri, 14 May 2004 14:47:29 +0000
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1637
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1 #ifndef CYGONCE_HAL_PLATFORM_SETUP_H
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2 #define CYGONCE_HAL_PLATFORM_SETUP_H
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3 //==========================================================================
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4 //
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5 // hal_platform_setup.h
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6 //
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7 //
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8 //
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9 //==========================================================================
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10 //####ECOSGPLCOPYRIGHTBEGIN####
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11 // -------------------------------------------
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12 // This file is part of eCos, the Embedded Configurable Operating System.
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13 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
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14 //
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15 // eCos is free software; you can redistribute it and/or modify it under
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16 // the terms of the GNU General Public License as published by the Free
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17 // Software Foundation; either version 2 or (at your option) any later version.
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18 //
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19 // eCos is distributed in the hope that it will be useful, but WITHOUT ANY
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20 // WARRANTY; without even the implied warranty of MERCHANTABILITY or
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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 along
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25 // with eCos; if not, write to the Free Software Foundation, Inc.,
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26 // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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27 //
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28 // As a special exception, if other files instantiate templates or use macros
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29 // or inline functions from this file, or you compile this file and link it
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30 // with other works to produce a work based on this file, this file does not
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31 // by itself cause the resulting work to be covered by the GNU General Public
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32 // License. However the source code for this file must still be made available
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33 // in accordance with section (3) of the GNU General Public License.
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34 //
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35 // This exception does not invalidate any other reasons why a work based on
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36 // this file might be covered by the GNU General Public License.
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37 //
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38 // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
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39 // at http://sources.redhat.com/ecos/ecos-license/
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40 // -------------------------------------------
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41 //####ECOSGPLCOPYRIGHTEND####
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42 //==========================================================================
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43 //#####DESCRIPTIONBEGIN####
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44 //
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45 // Author(s): gthomas
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46 // Contributors: gthomas, jskov, rcassebohm
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47 // Grant Edwards <grante@visi.com>
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48 // Date: 2001-07-31
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49 // Purpose:
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50 // Description:
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51 //
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52 //####DESCRIPTIONEND####
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53 //
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54 //========================================================================*/
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55
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56 #include <cyg/hal/plf_io.h>
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57
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58 .macro LED_MACRO x
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59
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60 ldr r0,=KS32C_IOPDATA
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61 ldr r1,[r0]
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62 and r1,r1,#(~0x7)
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63 orr r1,r1,#((0x7 & (~(\x))))
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64 str r1,[r0]
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65 #ifdef CYGSEM_HAL_LED_WITH_DELAY
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66 ldr r1,=0x80000
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67 1: sub r1,r1,#1
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68 cmp r1,#0
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69 bne 1b
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70 #endif
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71 .endm
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72
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73 #define CYGHWR_LED_MACRO \
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74 LED_MACRO (\x)
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75
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76
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77 // Use relative branch since we are going to switch the address space
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78 // around.
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79 #define CYGSEM_HAL_ROM_RESET_USES_JUMP
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80
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81 .macro PLATFORM_RELOCATE
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82
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83 ldr r1,=KS32C_IOPMOD
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84 ldr r2,=0x07 /* set led display to output */
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85 str r2,[r1]
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86
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87 LED 0x0
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88
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89 /* Check that it worked, otherwise try Sync DRAM setup */
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90 ldr r1,=0x00000000
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91 str r1,[r1]
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92 ldr r2,[r1]
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93 cmp r2,r1
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94 beq 99f
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95
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96 /* Sync DRAM mode */
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97 LED 0x1
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98
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99 ldr r3, =0xe7ffff90 /* sdram c+wb disabled, regs @ 0x03ff0000 */
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100 ldr r0, =KS32C_SYSCFG
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101 str r3,[r0]
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102 1: mov r1,pc /* actual address */
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103 sub r1,r1,#8 /* + 8 */
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104 ldr r0,=1b /* address off 1: after remap */
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105 sub r1,r1,r0
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106 ldr r0,=40f
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107 add r0,r0,r1
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108
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109 #ifdef CYG_HAL_STARTUP_ROMRAM
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110 ldr lr,=4f
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111 add lr,lr,r1
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112 ldr r1,=AIM711_ROM0_LA_START
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113 add lr,lr,r1
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114 #else
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115 ldr lr,=99f
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116 #endif
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117
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118 ldmia r0,{r1-r12}
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119 ldr r0,=KS32C_EXTDBWTH
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120 stmia r0,{r1-r12}
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121 mov pc,lr
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122
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123 #ifdef CYG_HAL_STARTUP_ROMRAM
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124 4:
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125 /* Relocate text segment */
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126 ldr r2,=__exception_handlers
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127 ldr r3,=AIM711_ROM0_LA_START
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128 cmp r2,r3
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129 beq 6f
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130 ldr r4,=__rom_data_end
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131 5:
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132 ldr r0,[r3],#4
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133 str r0,[r2],#4
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134 cmp r2,r4
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135 bne 5b
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136 6:
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137 ldr lr,=99f
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138 mov pc,lr
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139 nop
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140 nop
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141 nop
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142 #endif
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143
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144 /* The below are set with a store-multiple instruction */
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145
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146 /* Sync DRAM setup */
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147 /* Flash is 8 bit, DRAM is 32 bit and EXTIO is 8 bit */
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148 /* .long KS32C_EXTDBWTH */
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149 40: .long ( (KS32C_EXTDBWTH_8BIT<<KS32C_EXTDBWTH_DSR0_shift) \
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150 |(KS32C_EXTDBWTH_32BIT<<KS32C_EXTDBWTH_DSD0_shift) \
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151 |(KS32C_EXTDBWTH_8BIT<<KS32C_EXTDBWTH_DSX0_shift) \
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152 |(KS32C_EXTDBWTH_8BIT<<KS32C_EXTDBWTH_DSX2_shift) )
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153 /* Flash at 0x02000000-0x02100000, 5 cycles, 7 cycles */
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154 /* .long KS32C_ROMCON0 */
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155 .long ( (KS32C_ROMCON_PMC_ROM) \
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156 |(KS32C_ROMCON_TPA_5C) \
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157 |(KS32C_ROMCON_TACC_7C) \
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158 |((AIM711_ROM0_LA_START >> 16) << KS32C_ROMCON_BASE_shift) \
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159 |((AIM711_ROM0_LA_END >> 16) << KS32C_ROMCON_NEXT_shift))
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160 /* .long KS32C_ROMCON1 */
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161 .long ( (KS32C_ROMCON_PMC_ROM) \
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162 |(KS32C_ROMCON_TPA_5C) \
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163 |(KS32C_ROMCON_TACC_5C) \
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164 |((0x00000000 >> 16) << KS32C_ROMCON_BASE_shift) \
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165 |((0x00000000 >> 16) << KS32C_ROMCON_NEXT_shift))
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166 /* .long KS32C_ROMCON2 */
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167 .long ( (KS32C_ROMCON_PMC_ROM) \
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168 |(KS32C_ROMCON_TPA_5C) \
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169 |(KS32C_ROMCON_TACC_5C) \
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170 |((0x00000000 >> 16) << KS32C_ROMCON_BASE_shift) \
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171 |((0x00000000 >> 16) << KS32C_ROMCON_NEXT_shift))
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172 /* .long KS32C_ROMCON3 */
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173 .long ( (KS32C_ROMCON_PMC_ROM) \
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174 |(KS32C_ROMCON_TPA_5C) \
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175 |(KS32C_ROMCON_TACC_5C) \
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176 |((0x00000000 >> 16) << KS32C_ROMCON_BASE_shift) \
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177 |((0x00000000 >> 16) << KS32C_ROMCON_NEXT_shift))
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178 /* .long KS32C_ROMCON4 */
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179 .long ( (KS32C_ROMCON_PMC_ROM) \
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180 |(KS32C_ROMCON_TPA_5C) \
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181 |(KS32C_ROMCON_TACC_5C) \
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182 |((0x00000000 >> 16) << KS32C_ROMCON_BASE_shift) \
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183 |((0x00000000 >> 16) << KS32C_ROMCON_NEXT_shift))
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184 /* .long KS32C_ROMCON5 */
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185 .long ( (KS32C_ROMCON_PMC_ROM) \
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186 |(KS32C_ROMCON_TPA_5C) \
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187 |(KS32C_ROMCON_TACC_5C) \
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188 |((0x00000000 >> 16) << KS32C_ROMCON_BASE_shift) \
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189 |((0x00000000 >> 16) << KS32C_ROMCON_NEXT_shift))
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190 /* .long KS32C_DRAMCON0 */
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191 .long ( (KS32C_DRAMCON_RESERVED) \
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192 |(KS32C_DRAMCON_CAN_8) \
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193 |(KS32C_DRAMCON_TRP_4C) \
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194 |(KS32C_DRAMCON_TRC_2C) \
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195 |((AIM711_DRAM_LA_START >> 16) << KS32C_DRAMCON_BASE_shift) \
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196 |((AIM711_DRAM_LA_END >> 16) << KS32C_DRAMCON_NEXT_shift))
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197 /* .long KS32C_DRAMCON1 */
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198 .long ( (KS32C_DRAMCON_RESERVED) \
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199 |(KS32C_DRAMCON_CAN_8) \
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200 |(KS32C_DRAMCON_TRP_2C) \
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201 |(KS32C_DRAMCON_TRC_2C) \
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202 |((0x00000000 >> 16) << KS32C_DRAMCON_BASE_shift) \
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203 |((0x00000000 >> 16) << KS32C_DRAMCON_NEXT_shift))
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204 /* .long KS32C_DRAMCON2 */
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205 .long ( (KS32C_DRAMCON_RESERVED) \
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206 |(KS32C_DRAMCON_CAN_8) \
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207 |(KS32C_DRAMCON_TRP_2C) \
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208 |(KS32C_DRAMCON_TRC_2C) \
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209 |((0x00000000 >> 16) << KS32C_DRAMCON_BASE_shift) \
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210 |((0x00000000 >> 16) << KS32C_DRAMCON_NEXT_shift))
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211 /* .long KS32C_DRAMCON3 */
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212 .long ( (KS32C_DRAMCON_RESERVED) \
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213 |(KS32C_DRAMCON_CAN_8) \
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214 |(KS32C_DRAMCON_TRP_2C) \
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215 |(KS32C_DRAMCON_TRC_2C) \
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216 |((0x00000000 >> 16) << KS32C_DRAMCON_BASE_shift) \
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217 |((0x00000000 >> 16) << KS32C_DRAMCON_NEXT_shift))
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218 /* .long KS32C_REFEXTCON */
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219 .long (((2048+1-(8*CYGNUM_HAL_CPUCLOCK/1000000)) << KS32C_REFEXTCON_RCV_shift) \
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220 |(KS32C_REFEXTCON_TRC_4C) \
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221 |(KS32C_REFEXTCON_REN) \
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222 |(KS32C_REFEXTCON_VSF) \
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223 |(AIM711_EXT0_LA_START >> 16) )
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224 #if 0
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225 50:
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226 .long 0x07113001 /* ROM half-word, RAM word, EXT-IO */
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227 .long 0x21080060 /* ROM 32 - 33 MByte */
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228 .long 0
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229 .long 0
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230 .long 0
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231 .long 0
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232 .long 0
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233 .long 0x0800038e /* RAM 0 - 8 MByte */
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234 .long 0
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235 .long 0
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236 .long 0
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237 .long 0xc01583fd /* Reactivate external Bus */
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238 #endif
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239
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240 99: LED 0x2
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241 ldr r3,=0x00000000
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242 str r3,[r3]
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243 ldr r4,[r3]
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244 cmp r4,r3
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245 beq 15f
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246 11: LED 0x3
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247 b 11b
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248 15: LED 0x4
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249
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250 .endm
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251
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252 #if defined(CYG_HAL_STARTUP_ROM) || defined(CYG_HAL_STARTUP_ROMRAM)
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253 #define PLATFORM_SETUP1 \
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254 PLATFORM_RELOCATE
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255 #else
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256 #define PLATFORM_SETUP1
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257 #endif
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258
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259 //-----------------------------------------------------------------------------
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260 // end of hal_platform_setup.h
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261 #endif // CYGONCE_HAL_PLATFORM_SETUP_H