FreeCalypso > hg > fc-tourmaline
annotate src/cs/drivers/drv_core/memif/sys_memif.c @ 303:f76436d19a7a default tip
!GPRS config: fix long-standing AT+COPS chance hanging bug
There has been a long-standing bug in FreeCalypso going back years:
sometimes in the AT command bring-up sequence of an ACI-only MS,
the AT+COPS command would produce only a power scan followed by
cessation of protocol stack activity (only L1 ADC traces), instead
of the expected network search sequence. This behaviour was seen
in different FC firmware versions going back to Citrine, and seemed
to follow some law of chance, not reliably repeatable.
This bug has been tracked down and found to be specific to !GPRS
configuration, stemming from our TCS2/TCS3 hybrid and reconstruction
of !GPRS support that was bitrotten in TCS3.2/LoCosto version.
ACI module psa_mms.c, needed only for !GPRS, was missing in the TCS3
version and had to be pulled from TCS2 - but as it turns out,
there is a new field in the MMR_REG_REQ primitive that needs to be
set correctly, and that psa_mms.c module is the place where this
initialization needed to be added.
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Thu, 08 Jun 2023 08:23:37 +0000 |
parents | 4e78acac3d88 |
children |
rev | line source |
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0
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1 /* @(#) nom : sys_memif.c SID: 1.2 date : 05/23/03 */ |
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2 /* Filename: sys_memif.c */ |
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3 /* Version: 1.2 */ |
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4 /****************************************************************************** |
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5 * WIRELESS COMMUNICATION SYSTEM DEVELOPMENT |
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6 * |
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7 * (C) 2002 Texas Instruments France. All rights reserved |
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8 * |
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9 * Author : Francois AMAND |
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10 * |
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11 * |
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12 * Important Note |
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13 * -------------- |
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14 * |
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15 * This S/W is a preliminary version. It contains information on a product |
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16 * under development and is issued for evaluation purposes only. Features |
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17 * characteristics, data and other information are subject to change. |
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18 * |
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19 * The S/W is furnished under Non Disclosure Agreement and may be used or |
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20 * copied only in accordance with the terms of the agreement. It is an offence |
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21 * to copy the software in any way except as specifically set out in the |
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22 * agreement. No part of this document may be reproduced or transmitted in any |
4e78acac3d88
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23 * form or by any means, electronic or mechanical, including photocopying and |
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24 * recording, for any purpose without the express written permission of Texas |
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25 * Instruments Inc. |
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26 * |
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27 ****************************************************************************** |
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28 * |
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29 * FILE NAME: sys_memif.c |
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30 * |
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31 * |
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32 * PURPOSE: Drivers to be used for ARM memory interface configuration and |
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33 * control for CALYPSO PLUS. |
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34 * |
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35 * |
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36 * FILE REFERENCES: |
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37 * |
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38 * Name IO Description |
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39 * ------------- -- --------------------------------------------- |
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40 * |
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41 * |
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42 * |
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43 * EXTERNAL VARIABLES: |
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44 * |
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45 * Source: |
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46 * |
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47 * Name Type IO Description |
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48 * ------------- --------------- -- ------------------------------ |
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49 * |
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50 * |
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51 * |
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52 * EXTERNAL REFERENCES: |
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53 * |
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54 * Name Description |
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55 * ------------------ ------------------------------------------------------- |
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56 * |
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57 * |
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58 * |
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59 * ABNORMAL TERMINATION CONDITIONS, ERROR AND WARNING MESSAGES: |
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60 * |
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61 * |
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62 * |
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63 * ASSUMPTION, CONSTRAINTS, RESTRICTIONS: |
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64 * |
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65 * |
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66 * |
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67 * NOTES: |
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68 * |
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69 * |
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70 * |
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71 * REQUIREMENTS/FUNCTIONAL SPECIFICATION REFERENCES: |
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72 * |
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73 * |
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74 * |
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75 * |
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76 * DEVELOPMENT HISTORY: |
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77 * |
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78 * Date Name(s) Version Description |
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79 * ----------- -------------- ------- ------------------------------------- |
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80 * 11-Oct-2002 Francois AMAND 0.0.1 First implementation |
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81 * 25-Feb-2003 G.Leterrier 0.0.2 Modification for reserved bit management |
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82 * f_memif_init_cs |
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83 * f_memif_init_api_rhea_ctrl |
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84 * 26-Feb-2003 G.Leterrier Disable page mode before re-configuration |
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85 * |
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86 * ALGORITHM: |
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87 * |
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88 * |
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89 *****************************************************************************/ |
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90 |
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91 #include "l1sw.cfg" |
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92 #include "chipset.cfg" |
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93 |
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94 #if (CHIPSET == 12) |
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95 |
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96 #include "board.cfg" |
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97 |
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98 #if (OP_L1_STANDALONE == 0) |
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99 #include "main/sys_types.h" |
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100 #else |
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101 #include "sys_types.h" |
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102 #endif |
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103 #include "sys_memif.h" |
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104 |
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105 |
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106 /****************************************************************************** |
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107 * |
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108 * FUNCTION NAME: f_memif_init_cs |
4e78acac3d88
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parents:
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109 * Configure the memory features connected on the chip-select cs. |
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110 * |
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parents:
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111 * |
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parents:
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112 * ARGUMENT LIST: |
4e78acac3d88
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113 * |
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114 * Argument Type IO Description |
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115 * ------------ ------------------- -- --------------------------------- |
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116 * d_cs SYS_UWORD8 I Chip-select number |
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117 * p_cs_config T_MEMIF_CS_CONFIG * I Configuration to apply to the |
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118 * chip-select. |
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119 * |
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120 * RETURN VALUE: None |
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121 * |
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122 *****************************************************************************/ |
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123 |
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124 void f_memif_init_cs(SYS_UWORD8 d_cs, T_MEMIF_CS_CONFIG *p_cs_config) { |
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125 |
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126 SYS_UWORD16 d_conf_csx_reg,d_exws_csx_reg; |
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127 |
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128 /* save value of reserved bit */ |
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129 |
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130 d_conf_csx_reg = C_MEMIF_CONF_CSX_REG(d_cs); |
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131 d_conf_csx_reg &= C_MEMIF_CONF_CSX_MASK; |
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132 |
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133 d_exws_csx_reg = C_MEMIF_EXWS_CSX_REG(d_cs); |
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134 d_exws_csx_reg &= C_MEMIF_EXWS_MASK; |
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135 |
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136 |
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137 /* disable page mode before change of configuration */ |
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138 C_MEMIF_EXWS_CSX_REG(d_cs) &= ~(C_MEMIF_PAGE_MODE_EN); |
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139 |
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140 |
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141 /* |
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Mychaela Falconia <falcon@freecalypso.org>
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142 * Configure CONF_CSx register |
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143 */ |
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parents:
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144 C_MEMIF_CONF_CSX_REG(d_cs) = (p_cs_config->d_ws << C_MEMIF_CONF_WS_POS) | |
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145 (p_cs_config->d_dvs << C_MEMIF_CONF_DVS_POS) | |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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146 (p_cs_config->d_we << C_MEMIF_CONF_WE_POS) | |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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147 (p_cs_config->d_dc << C_MEMIF_CONF_DC_POS) | |
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148 (p_cs_config->d_rodc << C_MEMIF_CONF_RODC_POS) | |
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Mychaela Falconia <falcon@freecalypso.org>
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149 (p_cs_config->d_wrdc << C_MEMIF_CONF_WRDC_POS) | |
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parents:
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150 (p_cs_config->d_wws << C_MEMIF_CONF_WWS_POS) | d_conf_csx_reg; |
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|
151 |
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parents:
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152 /* |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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153 * Configure EXWS_CSx register |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
154 */ |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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155 C_MEMIF_EXWS_CSX_REG(d_cs) = (p_cs_config->d_pme << C_MEMIF_EXWS_PME_POS) | |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
156 (p_cs_config->d_pms << C_MEMIF_EXWS_PMS_POS) | |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
157 (p_cs_config->d_pmws << C_MEMIF_EXWS_PMWS_POS) | |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
158 (p_cs_config->d_wrws << C_MEMIF_EXWS_WRWS_POS) | d_exws_csx_reg; |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
159 |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
160 /* |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
161 * Configure DCCTRL_CSx register |
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src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
162 */ |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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163 C_MEMIF_DCCTRL_CSX_REG(d_cs) = (p_cs_config->d_dcecs0 << C_MEMIF_DCCTRL_DCECS0_POS) | |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
164 (p_cs_config->d_dcecs1 << C_MEMIF_DCCTRL_DCECS1_POS) | |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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165 (p_cs_config->d_dcecs2 << C_MEMIF_DCCTRL_DCECS2_POS) | |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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166 (p_cs_config->d_dcecs3 << C_MEMIF_DCCTRL_DCECS3_POS) | |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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167 (p_cs_config->d_dcecs4 << C_MEMIF_DCCTRL_DCECS4_POS) | |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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168 (p_cs_config->d_dcecs5 << C_MEMIF_DCCTRL_DCECS5_POS); |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
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|
169 } /* f_memif_init_cs() */ |
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170 |
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171 |
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|
172 |
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173 /****************************************************************************** |
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174 * |
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parents:
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|
175 * FUNCTION NAME: f_memif_init_api_rhea_ctrl |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
176 * Configure the API_RHEA_CTRL register. |
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Mychaela Falconia <falcon@freecalypso.org>
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|
177 * |
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178 * |
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Mychaela Falconia <falcon@freecalypso.org>
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179 * ARGUMENT LIST: |
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|
180 * |
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Mychaela Falconia <falcon@freecalypso.org>
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181 * Argument Type IO Description |
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182 * ---------- ---------- -- ------------------------------------------- |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
183 * d_adap0 SYS_UWORD8 I Rhea strobe 0 access size adaptation enable |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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184 * d_adap1 SYS_UWORD8 I Rhea strobe 1 access size adaptation enable |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
185 * d_adap_api SYS_UWORD8 I API access size adaptation enable |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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186 * d_debug SYS_UWORD8 I ARM address debug enable/disable |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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187 * |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
188 * |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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189 * RETURN VALUE: None |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
190 * |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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191 *****************************************************************************/ |
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Mychaela Falconia <falcon@freecalypso.org>
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192 |
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Mychaela Falconia <falcon@freecalypso.org>
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193 void f_memif_init_api_rhea_ctrl(SYS_UWORD8 d_adap0, |
4e78acac3d88
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194 SYS_UWORD8 d_adap1, |
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Mychaela Falconia <falcon@freecalypso.org>
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195 SYS_UWORD8 d_adap_api, |
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Mychaela Falconia <falcon@freecalypso.org>
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196 SYS_UWORD8 d_debug) { |
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197 SYS_UWORD16 d_api_rhea_ctrl; |
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198 |
4e78acac3d88
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199 d_api_rhea_ctrl = C_MEMIF_API_RHEA_CTRL_REG; |
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parents:
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200 d_api_rhea_ctrl &= C_MEMIF_API_RHEA_CTRL_MASK; |
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Mychaela Falconia <falcon@freecalypso.org>
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201 |
4e78acac3d88
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202 |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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203 C_MEMIF_API_RHEA_CTRL_REG = (d_adap0 << C_MEMIF_API_RHEA_CTRL_ADAPT0_POS) | |
4e78acac3d88
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204 (d_adap1 << C_MEMIF_API_RHEA_CTRL_ADAPT1_POS) | |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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205 (d_adap_api << C_MEMIF_API_RHEA_CTRL_ADAPTAPI_POS) | |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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206 (d_debug << C_MEMIF_API_RHEA_CTRL_DEBUG_POS) | d_api_rhea_ctrl; |
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207 |
4e78acac3d88
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208 } /* f_memif_init_api_rhea_ctrl() */ |
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209 |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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210 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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211 /****************************************************************************** |
4e78acac3d88
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parents:
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212 * |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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213 * FUNCTION NAME: f_memif_debug_freeze |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
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parents:
diff
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|
214 * Freeze externa memory interface during internal access |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
215 * |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
216 * |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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217 * ARGUMENT LIST: |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
218 * |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
219 * Argument Type IO Description |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
220 * ---------- ---------- -- ------------------------------------------- |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
221 * |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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222 * |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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223 * RETURN VALUE: None |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
224 * |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
225 *****************************************************************************/ |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
226 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
227 void f_memif_debug_freeze(void) { |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
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parents:
diff
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|
228 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
229 F_MEMIF_DEBUG_FREEZE; |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
230 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
231 } /* f_memif_debug_freeze() */ |
4e78acac3d88
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parents:
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232 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
233 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
234 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
235 /****************************************************************************** |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
236 * |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
237 * FUNCTION NAME: f_memif_du_enable |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
238 * Enable Debug Unit capture. |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
239 * |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
240 * |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
241 * ARGUMENT LIST: |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
242 * |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
243 * Argument Type IO Description |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
244 * ---------- ---------- -- ------------------------------------------- |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
245 * |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
246 * |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
247 * RETURN VALUE: None |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
248 * |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
249 *****************************************************************************/ |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
250 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
251 void f_memif_du_enable(void) { |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
252 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
253 F_MEMIF_DU_ENABLE; |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
254 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
255 } /* f_memif_du_enable() */ |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
256 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
257 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
258 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
259 /****************************************************************************** |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
260 * |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
261 * FUNCTION NAME: f_memif_du_disable |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
262 * Disable Debug Unit capture. |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
263 * |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
264 * |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
265 * ARGUMENT LIST: |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
266 * |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
267 * Argument Type IO Description |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
268 * ---------- ---------- -- ------------------------------------------- |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
269 * |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
270 * |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
271 * RETURN VALUE: None |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
272 * |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
273 *****************************************************************************/ |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
274 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
275 void f_memif_du_disable(void) { |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
276 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
277 F_MEMIF_DU_DISABLE; |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
278 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
279 } /* f_memif_du_disable() */ |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
280 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
281 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
282 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
283 /****************************************************************************** |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
284 * |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
285 * FUNCTION NAME: f_memif_extended_page_mode_enable |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
286 * Enable Extended Page Mode feature, which locks the CS in active state |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
287 * when accessing internal memory bus. |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
288 * |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
289 * |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
290 * ARGUMENT LIST: |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
291 * |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
292 * Argument Type IO Description |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
293 * ---------- ---------- -- ------------------------------------------- |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
294 * |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
295 * |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
296 * RETURN VALUE: None |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
297 * |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
298 *****************************************************************************/ |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
299 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
300 void f_memif_extended_page_mode_enable(void) { |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
301 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
302 F_MEMIF_ENABLE_EXTENDED_PAGE_MODE; |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
303 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
304 } /* f_memif_extended_page_mode_enable() */ |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
305 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
306 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
307 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
308 /****************************************************************************** |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
309 * |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
310 * FUNCTION NAME: f_memif_shared_sram_allocation |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
311 * Configure the Shared SRAM allocation. |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
312 * |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
313 * |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
314 * ARGUMENT LIST: |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
315 * |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
316 * Argument Type IO Description |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
317 * ---------------- ----------- -- ------------------------------------ |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
318 * d_allocation_cfg SYS_UWORD16 I Shared SRAM allocation configuration |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
319 * |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
320 * RETURN VALUE: None |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
321 * |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
322 *****************************************************************************/ |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
323 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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324 void f_memif_shared_sram_allocation(SYS_UWORD16 d_allocation_cfg) { |
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325 SYS_UWORD16 d_dspms_reg = C_MEMIF_DSPMS_REG; |
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326 |
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327 d_dspms_reg &= ~C_MEMIF_DSPMS_MASK; |
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328 |
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329 d_dspms_reg |= (d_allocation_cfg & C_MEMIF_DSPMS_MASK) << C_MEMIF_DSPMS_POS; |
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330 |
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331 C_MEMIF_DSPMS_REG = d_dspms_reg; |
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332 } /* f_memif_shared_sram_allocation() */ |
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333 |
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334 |
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335 |
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336 /****************************************************************************** |
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337 * |
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338 * FUNCTION NAME: f_memif_cs_mode |
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339 * Configure the chip-select size. |
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340 * |
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341 * |
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342 * ARGUMENT LIST: |
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343 * |
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344 * Argument Type IO Description |
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345 * ---------------- ----------- -- ------------------------------------ |
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346 * d_cs_mode_cfg SYS_UWORD16 I Chip-select size configuration |
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347 * |
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348 * RETURN VALUE: None |
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349 * |
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350 *****************************************************************************/ |
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351 |
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352 void f_memif_cs_mode(SYS_UWORD16 d_cs_mode_cfg) { |
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353 SYS_UWORD16 d_ex_ctrl_reg = C_MEMIF_EX_CTRL_REG; |
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354 |
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355 d_ex_ctrl_reg &= ~(C_MEMIF_EX_CTRL_CS_MODE_MASK << C_MEMIF_EX_CTRL_CS_MODE_POS); |
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356 |
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357 d_ex_ctrl_reg |= (d_cs_mode_cfg & C_MEMIF_EX_CTRL_CS_MODE_MASK) << C_MEMIF_EX_CTRL_CS_MODE_POS; |
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358 |
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359 C_MEMIF_EX_CTRL_REG = d_ex_ctrl_reg; |
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360 } /* f_memif_cs_mode() */ |
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361 |
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362 |
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363 |
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364 #endif /* (CHIPSET == 12) */ |