FreeCalypso > hg > fc-magnetite

annotate src/cs/drivers/drv_core/armio/armio.c @ 242:a6360ee05c47

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armio.c: enable MCSI pin multiplexing on FCDEV3B
author Mychaela Falconia <falcon@freecalypso.org>
date Tue, 02 May 2017 03:59:36 +0000
parents 42d766231c46
children 504c9dcbffb2
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem
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1 /*
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2 * ARMIO.C
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3 *
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4 *
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5 * Control diagnostic bits
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6 *
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7 * Reference : GCS207
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8 *
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9 */
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10
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11
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12 #include "l1sw.cfg"
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13 #include "swconfig.cfg"
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14 #ifdef BLUETOOTH_INCLUDED
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15 #include "btemobile.cfg"
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16 #endif
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17 #if (OP_L1_STANDALONE == 1)
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18 #include "l1_macro.h"
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19 #include "l1_confg.h"
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20 #endif
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21 #include "board.cfg"
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22 #include "chipset.cfg"
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8e5096429fd3 armio.c: first cleaning step
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23 #include "fc-target.cfg"
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24
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25 #if (OP_L1_STANDALONE == 0)
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26 #include "main/sys_types.h"
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27 #else
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28 #include "sys_types.h"
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29 #endif
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30
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31
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32 #include "memif/mem.h"
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33
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34 #include "inth/iq.h"
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35 #include "armio/armio.h"
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36 #include "abb/abb.h" // for AI_Power function : to be removed, use ABB_Power_Off in abb.c file instead !!!
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37
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38 #if (CHIPSET != 12)
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39 /*
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40 * AI_EnableBit
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41 *
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42 * Enable ARMIO input/output bit (see CLKM module specification)
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43 */
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44 void AI_EnableBit(int bit)
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45 {
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46 *((volatile SYS_UWORD16 *) CLKM_IO_CNTL) |= (1<<bit);
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47 }
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48
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49 /*
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50 * AI_DisableBit
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51 *
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52 * Disable ARMIO input/output bit (see CLKM module specification)
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53 */
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54 void AI_DisableBit(int bit)
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55 {
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56 *((volatile SYS_UWORD16 *) CLKM_IO_CNTL) &= ~(1<<bit);
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57 }
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58
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59 #endif /* CHIPSET != 12 */
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60
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61 /*
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62 * AI_SetBit
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63 *
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64 * Switch-on one bit
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65 */
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66 void AI_SetBit(int bit)
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67 {
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68 *((volatile SYS_UWORD16 *) ARMIO_OUT) |= (1<<bit);
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69 }
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70
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71 /*
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72 * AI_ResetBit
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73 *
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74 * Switch-off one bit
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75 */
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76 void AI_ResetBit(int bit)
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77 {
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78 *((volatile SYS_UWORD16 *) ARMIO_OUT) &= ~(1<<bit);
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79 }
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80
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81 /*
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82 * AI_ConfigBitAsOutput
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83 *
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84 * Set this bit as an output
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85 */
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86 void AI_ConfigBitAsOutput(int bit)
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87 {
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88 *((volatile SYS_UWORD16 *) ARMIO_IO_CNTL) &= ~(1<<bit);
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89 }
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90
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91 /*
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92 * AI_ConfigBitAsInput
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93 *
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94 * Set this bit as an input
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95 */
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96 void AI_ConfigBitAsInput(int bit)
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97 {
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98 *((volatile SYS_UWORD16 *) ARMIO_IO_CNTL) |= (1<<bit);
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99 }
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100
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101
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102 /*
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103 * AI_ReadBit
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104 *
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105 * Read value in register
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106 */
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107 SYS_BOOL AI_ReadBit(int bit)
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108 {
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109 if ((*((volatile SYS_UWORD16 *) ARMIO_IN)) & (1<<bit))
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110 return (1);
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111 else
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112 return (0);
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113 }
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114
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115 /*
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116 * AI_Power
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117 *
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118 * Switch-on or off the board
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119 *
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120 * Parameters : SYS_UWORD8 power: 1 to power-on (maintain power)
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121 * 0 to power-off
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122 *
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123 */
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124 #if (OP_L1_STANDALONE == 0)
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125 void AI_Power(SYS_UWORD8 power)
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126 {
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127 if (power == 0)
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128 {
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129 ABB_Power_Off();
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130 }
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131 }
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132 #endif
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133
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134 /*
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135 * AI_ResetIoConfig
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136 *
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137 * Reset all default IO configurations
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138 *
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139 */
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140 void AI_ResetIoConfig(void)
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141 {
84
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142 *((volatile SYS_UWORD16 *) ARMIO_IO_CNTL) = 0xFFFF; // all bits are inputs
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143 #if (CHIPSET != 12)
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144 *((volatile SYS_UWORD16 *) CLKM_IO_CNTL) = 0; // default config
0
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145 #endif /* CHIPSET != 12 */
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146 }
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147
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148
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149 /*
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150 * AI_ClockEnable
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151 *
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152 * Enable ARMIO clock module
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153 *
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154 */
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155 void AI_ClockEnable(void)
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156 {
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157 *((volatile SYS_UWORD16 *) ARMIO_CNTL_REG) |= ARMIO_CLOCKEN; // set to 1 bit 5
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158 }
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159
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160
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161 /*
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162 * AI_InitIOConfig
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163 *
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164 * Configure all GPIOs at initialization in order to optimize the power consumption
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165 * of the C-Sample :
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166 * - select IOs 8,9,10,11,12 and 13 on the pins instead of MCSI and MCUEN signals.
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167 * - configure these IOs in output high.
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168 * - configure the IOs 0 (Vibrator LED) and 1 (LCD_A0) in output low.
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169 */
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170 void AI_InitIOConfig(void)
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171 {
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172 // reset the IOs config
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173 AI_ResetIoConfig();
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174
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175 // CLKM_IO_CNTL register configuration :
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176 // select IOs 6,8,9,10,11,12 and 13 on the pins instead of MCSI and MCUEN signals.
83
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177 AI_EnableBit(0); /* FreeCalypso addition */
0
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178 AI_EnableBit(2);
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179 AI_EnableBit(4);
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180
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181 #ifdef CONFIG_TARGET_PIRELLI
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182 AI_EnableBit(1);
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183 AI_EnableBit(3);
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184 #endif
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185
0
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186 /* Bits 5,6,7,8 are used to output I/O 9,10,11,12 or MCSI pins */
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187 /* If Bluetooth, IO should be disabled, outputting MCSI used for Bluetooth voice */
242
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188 /*
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189 * FreeCalypso change: we don't have BT, our new criterion is
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190 * whether or not a given board is wired for MCSI.
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191 */
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192 #if defined(CONFIG_TARGET_FCDEV3B) || defined(CONFIG_TARGET_PIRELLI)
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193 AI_DisableBit(5);
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194 AI_DisableBit(6);
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195 AI_DisableBit(7);
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196 AI_DisableBit(8);
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197 #else
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198 AI_EnableBit(5);
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199 AI_EnableBit(6);
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200 AI_EnableBit(7);
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201 AI_EnableBit(8);
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202 #endif
0
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203
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204 AI_EnableBit(9);
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205
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206 // ARMIO_OUT register configuration :
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207 // set IOs 8,9,10,11,12 and 13 as high
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208 // set IOs 0 to 7 as low
84
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209
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210 #ifdef CONFIG_TARGET_C139
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211 /* C139 GPIO configuration mimics what the original fw sets */
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212
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213 /* GPIO out all zeros - the LCD backlight is OFF */
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214 *((volatile SYS_UWORD16 *) ARMIO_OUT) = 0x0000;
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215
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216 /* setting of GPIOs as outputs also mimics what the original fw sets */
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217 *((volatile SYS_UWORD16 *) ARMIO_IO_CNTL) = 0x2A09;
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218 #elif defined(CONFIG_TARGET_PIRELLI)
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219 *((volatile SYS_UWORD16 *) ARMIO_OUT) = 0x0000;
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220
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221 AI_ConfigBitAsOutput(1);
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222 AI_ConfigBitAsOutput(4);
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223 AI_ConfigBitAsOutput(7);
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224 #else /* classic TI/Openmoko/FreeCalypso targets */
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225 // set IOs 1 and 8 to 13 as high
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226 // set IOs 0 and 2 to 7 as low
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227 // On D-Sample GPIO 1 must be set to high to enable the audio amplifier.
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228 #if (OP_L1_STANDALONE == 0)
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229 // CC test
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230 #if 1 // Dmitriy: GPIO 1 is the interrupt for the ext host, set it to 0
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231 *((volatile SYS_UWORD16 *) ARMIO_OUT) = 0x3F00;
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232 #else
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233 *((volatile SYS_UWORD16 *) ARMIO_OUT) = 0x3F02;
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234 #endif
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235 //*((volatile SYS_UWORD16 *) ARMIO_OUT) = 0x3F01;
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236 // end
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237 #else
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238 *((volatile SYS_UWORD16 *) ARMIO_OUT) = 0x3F01;
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239 #endif
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240
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241 // ARMIO_CNTL_REG register configuration :
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242 // set IOs 1,2,5,7,9,14 and 15 as ouputs.
83
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243 AI_ConfigBitAsOutput(0); /* FreeCalypso addition */
0
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244 // CC test 0316
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245 AI_ConfigBitAsOutput(1);
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246 // end
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247 AI_ConfigBitAsOutput(2);
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248 AI_ConfigBitAsOutput(4); /* FreeCalypso addition */
0
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249 AI_ConfigBitAsOutput(5);
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250 AI_ConfigBitAsOutput(6); /* FreeCalypso addition */
0
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251 AI_ConfigBitAsOutput(7);
83
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252 AI_ConfigBitAsOutput(8); /* FreeCalypso addition */
0
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253 AI_ConfigBitAsOutput(9);
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254 AI_ConfigBitAsOutput(13); /* FreeCalypso addition */
0
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255 AI_ConfigBitAsOutput(14);
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256 AI_ConfigBitAsOutput(15);
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257 #endif
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258 }
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259
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260 /*
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261 * AI_SelectIOForIT
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262 *
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263 * Select which IO will be used to generate an interrupt.
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264 * 'Edge' specifies if interrup must be detected on falling or rising edge.
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265 *
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266 * Warning: parameters are not checked.
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267 */
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268
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269 void AI_SelectIOForIT (SYS_UWORD16 Pin, SYS_UWORD16 Edge)
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270 {
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271 #if (CHIPSET == 12)
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272 /*
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273 * Update INTERRUPT_LEVEL_REG with Edge configuration on Pin selection
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274 */
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275 GPIO_INTERRUPT_LEVEL_REG = (Edge & 0x0001) << Pin;
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276
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277 /*
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278 * Update INTERRUPT_MASK_REG to enable interrupt generation on Pin selection
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279 */
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280 GPIO_INTERRUPT_MASK_REG = 1 << Pin;
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281 #else
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282 /*
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283 * Bit SET_GPIO_EVENT_MODE (bit 0) is set to enable the GPIO event mode.
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284 */
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285
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286 *((volatile SYS_UWORD16 *) ARMIO_GPIO_EVENT_MODE) = (Pin << 1) + (Edge << 5) + 1;
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287 #endif
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288 }
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289
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290 #if (CHIPSET != 12)
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291 /*
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292 * AI_CheckITSource
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293 *
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294 * Check if the interrupt specified by 'Source' is active or not.
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295 *
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296 * Output: 0: IT is not active
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297 * 1: IT is active
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298 *
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299 * Warning: parameters are not checked.
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300 *
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301 * Warning: If the keypad and GPIO interrupts may occur the GPIO interrupt
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302 * must be checked first because the GPIO status bit is reset when
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303 * the register is read.
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304 */
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305
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306 int AI_CheckITSource (SYS_UWORD16 Source)
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307 {
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308 return (*((volatile SYS_UWORD16 *) ARMIO_KBD_GPIO_INT) & Source ? 1 : 0);
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309 }
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310
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311 /*
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312 * AI_UnmaskIT
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313 *
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314 * Unmask the IT specified by 'Source' (keyboard or GPIO).
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315 *
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316 * Warning: parameters are not checked.
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317 */
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318
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319 void AI_UnmaskIT (SYS_UWORD16 Source)
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320 {
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321 *((volatile SYS_UWORD16 *) ARMIO_KBD_GPIO_MASKIT) &= ~Source;
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322 }
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323
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324 /*
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325 * AI_MaskIT
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326 *
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327 * Mask the IT specified by 'Source' (keyboard or GPIO).
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328 *
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329 * Warning: parameters are not checked.
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330 */
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331
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332 void AI_MaskIT (SYS_UWORD16 Source)
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333 {
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334 *((volatile SYS_UWORD16 *) ARMIO_KBD_GPIO_MASKIT) |= Source;
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335 }
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336 #endif /* CHIPSET != 12 */
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337
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338 #if (CHIPSET == 12)
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339
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340 void AI_MaskIT(SYS_UWORD16 d_io_number) {
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341 GPIO_INTERRUPT_MASK_REG |= (1 << d_io_number);
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342 } /* f_gpio_mask_it() */
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343
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344 void AI_UnmaskIT(SYS_UWORD16 d_io_number) {
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345 GPIO_INTERRUPT_MASK_REG &= ~(1 << d_io_number);
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346 } /* f_gpio_unmask_it() */
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347
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348 #endif