FreeCalypso > hg > freecalypso-citrine
annotate bsp/inth.c @ 13:a2723de00e06
L1/audio_cfile: untouched LoCosto source modules removed
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Fri, 10 Jun 2016 06:21:21 +0000 |
parents | 75a11d740a02 |
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1 /******************************************************************************* |
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2 TEXAS INSTRUMENTS INCORPORATED PROPRIETARY INFORMATION |
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3 |
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4 Property of Texas Instruments -- For Unrestricted Internal Use Only |
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5 Unauthorized reproduction and/or distribution is strictly prohibited. This |
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6 product is protected under copyright law and trade secret law as an |
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7 unpublished work. Created 1987, (C) Copyright 1997 Texas Instruments. All |
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8 rights reserved. |
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9 |
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10 |
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11 Filename : inth.c |
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12 |
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13 Description : inth.c saturn interupt handler |
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14 |
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15 Project : drivers |
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16 |
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17 Author : pmonteil@tif.ti.com Patrice Monteil. |
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18 |
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19 Version number : 1.8 |
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20 |
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21 Date and time : 01/30/01 10:22:26 |
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22 |
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23 Previous delta : 12/19/00 14:39:21 |
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24 |
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25 SCCS file : /db/gsm_asp/db_ht96/dsp_0/gsw/rel_0/mcu_l1/release_gprs/RELEASE_GPRS/drivers1/common/SCCS/s.inth.c |
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26 |
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27 Sccs Id (SID) : '@(#) inth.c 1.8 01/30/01 10:22:26 ' |
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28 |
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29 |
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30 *****************************************************************************/ |
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31 |
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32 #include "../include/config.h" |
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33 #include "../include/sys_types.h" |
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34 |
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35 #include "mem.h" |
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36 #include "inth.h" |
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37 |
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38 |
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39 |
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40 |
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41 /*---------------------------------------------------------------/ |
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42 /* INTH_Ack() */ |
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43 /*--------------------------------------------------------------*/ |
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44 /* Parameters : num of it */ |
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45 /* Return : none */ |
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46 /* Functionality :Acknowledge an interrupt and return the origin*/ |
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47 /* of the interrupt (binary format) */ |
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48 /*--------------------------------------------------------------*/ |
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49 |
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50 SYS_UWORD16 INTH_Ack (int intARM) |
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51 { |
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52 if (intARM == INTH_IRQ) |
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53 return((* (volatile SYS_UWORD16 *) INTH_B_IRQ_REG) & INTH_SRC_NUM); |
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54 else |
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55 return((* (volatile SYS_UWORD16 *) INTH_B_FIQ_REG) & INTH_SRC_NUM); |
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56 } |
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57 |
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58 /*---------------------------------------------------------------/ |
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59 /* INTH_GetPending() */ |
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60 /*--------------------------------------------------------------*/ |
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61 /* Parameters : none */ |
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62 /* Return : none */ |
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63 /* Functionality : Return the pending interrupts */ |
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64 /*--------------------------------------------------------------*/ |
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65 |
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66 #if ((CHIPSET == 4) || (CHIPSET == 5) || (CHIPSET == 6) || (CHIPSET == 7) || (CHIPSET == 8) || (CHIPSET == 9) || (CHIPSET == 10) || (CHIPSET == 11) || (CHIPSET == 12)) |
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67 unsigned long INTH_GetPending (void) |
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68 { |
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69 return((unsigned long)((* (volatile SYS_UWORD16 *) INTH_IT_REG1) | |
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70 ((* (volatile SYS_UWORD16 *) INTH_IT_REG2) << 16))); |
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71 } |
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72 #else |
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73 unsigned short INTH_GetPending (void) |
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74 { |
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75 return(* (volatile SYS_UWORD16 *) INTH_IT_REG); |
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76 } |
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77 #endif |
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78 |
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79 /*---------------------------------------------------------------/ |
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80 /* INTH_InitLevel() */ |
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81 /*--------------------------------------------------------------*/ |
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82 /* Parameters : num it,FIQ/IRQ,priority level,edge/level. */ |
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83 /* Return : none */ |
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84 /* Functionality : Initialize an interrupt */ |
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85 /* - put it on IRQ or FIQ */ |
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86 /* - set its priority level */ |
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87 /* */ |
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88 /*--------------------------------------------------------------*/ |
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89 |
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90 void INTH_InitLevel (int inputInt, int FIQ_nIRQ, int priority, int edge) |
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91 { |
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92 volatile SYS_UWORD16 *inthLevelReg = (SYS_UWORD16 *) INTH_EXT_REG; |
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93 |
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94 inthLevelReg = inthLevelReg + inputInt; |
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95 |
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96 #if ((CHIPSET == 4) || (CHIPSET == 5) || (CHIPSET == 6) || (CHIPSET == 7) || (CHIPSET == 8) || (CHIPSET == 9) || (CHIPSET == 10) || (CHIPSET == 11) || (CHIPSET == 12)) |
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97 *inthLevelReg = (FIQ_nIRQ | (edge << 1) | (priority << 2)); |
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98 #else |
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99 *inthLevelReg = (FIQ_nIRQ | (priority << 1) | (edge << 5)); |
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100 #endif |
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101 } |
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102 |
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103 /*---------------------------------------------------------------/ |
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104 /* INTH_ResetIT() */ |
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105 /*--------------------------------------------------------------*/ |
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106 /* Parameters : none */ |
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107 /* Return : none */ |
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108 /* Functionality : reset the inth it register */ |
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109 /*--------------------------------------------------------------*/ |
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110 |
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111 #if ((CHIPSET == 4) || (CHIPSET == 5) || (CHIPSET == 6) || (CHIPSET == 7) || (CHIPSET == 8) || (CHIPSET == 9) || (CHIPSET == 10) || (CHIPSET == 11) || (CHIPSET == 12)) |
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112 unsigned long INTH_ResetIT (void) |
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113 { |
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114 * (volatile SYS_UWORD16 *) INTH_IT_REG1 &= 0x0000; |
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115 * (volatile SYS_UWORD16 *) INTH_IT_REG2 &= 0x0000; |
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116 return((unsigned long)((* (volatile SYS_UWORD16 *) INTH_IT_REG1) | |
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117 ((* (volatile SYS_UWORD16 *) INTH_IT_REG2) << 16))); |
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118 } |
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119 #else |
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120 unsigned short INTH_ResetIT (void) |
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121 { |
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122 * (volatile SYS_UWORD16 *) INTH_IT_REG &= 0x0000; |
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123 return(* (volatile SYS_UWORD16 *) INTH_IT_REG); |
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124 } |
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125 #endif |