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Merge from eCos master repository on 2001-03-29-21:44:39-BST
author jlarmour
date Fri, 06 Apr 2001 17:20:13 +0000
parents
children 511f4dc167f6
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156
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1 2001-03-21 Hugo Tyson <hmt@redhat.com>
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2
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3 * src/strata.h (FLASH_Write_Buffer): Do not define this if
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4 CYGOPT_FLASH_IS_NOT_ADVANCED is defined; Advanced (xxxJ3) flash is
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5 usual these days. Also added documentation of the options that
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6 can be used to control this module.
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7
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8 * src/flash_program_buf.c (flash_program_buf): Reduce warnings
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9 about unused variables if no FLASH_Write_Buffer command available.
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10
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11 2001-03-21 Gary Thomas <gthomas@redhat.com>
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12
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13 * src/flash_program_buf.c (flash_program_buf): Buffered write code
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14 fixups, only on platforms with it defined.
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15
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16 2001-03-17 Gary Thomas <gthomas@redhat.com>
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17
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18 * src/strata.h:
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19 * src/strata.c: Support buffered writes.
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20
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21 * src/flash_program_buf.c: Use buffered writes if possible. This
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22 mode allows the chip to do parallelized writes which is much faster.
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23 It does require additional information, now provided by upper layer.
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24
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25 2001-02-15 Hugo Tyson <hmt@redhat.com>
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26
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27 * src/flash_query.c (flash_query): Depending on whether
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28 CYGOPT_FLASH_IS_BOOTBLOCK (just a #define from the instantiator,
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29 not really a cdl_option) is set, do the full Read_Query or just
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30 acquire two codes for manufacturer and device type using Read_ID.
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31
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32 * src/strata.c (flash_hwr_init): Again depending on whether
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33 CYGOPT_FLASH_IS_BOOTBLOCK, decode the device type into a size and
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34 so on, or use the full Read_Query data as before.
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35
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36 * src/strata.h (FLASH_Read_ID): Undefine those commands which we
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37 do not use. Conditionally define those that we use depending on
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38 CYGOPT_FLASH_IS_BOOTBLOCK. Thus we should be able to deal with
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39 StrataFlash and BootBlock flash with the same code.
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40
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41 * cdl/flash_strata.cdl: Do not implement (in the CDL sense)
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42 CYGHWR_IO_FLASH_BLOCK_LOCKING leave it up to the instantiating
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43 package instead. Also move the build of the two objects that do
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44 locking and unlocking into a compenent which is only active if
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45 CYGHWR_IO_FLASH_BLOCK_LOCKING is indeed (requested to be)
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46 implemented somewhere.
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47
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48 2001-02-14 Hugo Tyson <hmt@redhat.com>
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49
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50 * devs/flash/intel/strata/...: New package, generic strataFlash
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51 driver based on several others; a portion of its history
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52 follows...
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53
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54 flash.h -> strata.h
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55 flash<platform>.c -> strata.c
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56
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57 2001-02-06 Hugo Tyson <hmt@redhat.com>
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58
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59 * src/flash.h: Much more generic again. Not yet separated into
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60 generic component and invocation header, but the structure is
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61 there. Also included support for a mapping from the physical
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62 flash address we're thinking of to the virtual address we use to
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63 access it. More documentation. Generalization to 8,16,32 and
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64 64-bit access, made up from 8,16 or 32-bit devices. Command and
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65 status macros modified to accommodate these options.
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66
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67 * src/flash_lock_block.c (flash_lock_block):
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68 * src/flash_erase_block.c (flash_erase_block):
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69 * src/flash_query.c (flash_query):
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70 * src/flash_program_buf.c (flash_program_buf):
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71 All now acquire when possible the ROM address from the block
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72 address, and use the physical to virtual macro as needed.
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73
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74 * src/flash_unlock_block.c (flash_unlock_block):
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75 The same changes, but a little more complex because of the need to
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76 clear-all then re-lock some semantics. Shadow pointer to virtual
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77 address is used each time round the loop.
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78
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79 * cdl/flash_strata.cdl: Add explicit dependencies on flash.h, for
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80 there were none - or they were ignored - for the specially built
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81 compilation units that get copied to RAM for execution.
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82
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83 2001-02-01 Hugo Tyson <hmt@redhat.com>
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84
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85 * all: copied from the assabet flash driver.
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86
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87 2000-12-05 Jonathan Larmour <jlarmour@redhat.com>
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88
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89 * src/assabet_flash.c (flash_code_overlaps): Define stext/etext
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90 as array types so no assumptions can be made by the compiler about
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91 location.
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92
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93 2000-10-24 Gary Thomas <gthomas@redhat.com>
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94
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95 * src/flash_unlock_block.c (flash_unlock_block):
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96 * src/flash_lock_block.c (flash_lock_block):
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97 * src/flash_program_buf.c (flash_program_buf):
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98 * src/flash_erase_block.c (flash_erase_block): Support up to 32M FLASH.
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99
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100 2000-09-10 Gary Thomas <gthomas@redhat.com>
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101
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102 * src/flash_unlock_block.c:
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103 * src/flash_lock_block.c: New file(s).
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104
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105 * src/flash.h:
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106 * cdl/flash_assabet.cdl: Add region locking functions.
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107
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108 2000-08-29 Gary Thomas <gthomas@redhat.com>
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109
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110 * src/assabet_flash.c: Improve error decoding.
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111
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112 2000-08-24 Gary Thomas <gthomas@redhat.com>
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113
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114 * src/flash_query.c:
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115 * src/flash_erase_block.c:
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116 * src/flash.h: FLASH support for Intel SA1110 Assabet.
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117
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118 //===========================================================================
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119 //####COPYRIGHTBEGIN####
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120 //
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121 // -------------------------------------------
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122 // The contents of this file are subject to the Red Hat eCos Public License
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123 // Version 1.1 (the "License"); you may not use this file except in
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124 // compliance with the License. You may obtain a copy of the License at
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125 // http://www.redhat.com/
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126 //
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127 // Software distributed under the License is distributed on an "AS IS"
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128 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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129 // License for the specific language governing rights and limitations under
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130 // the License.
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131 //
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132 // The Original Code is eCos - Embedded Configurable Operating System,
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133 // released September 30, 1998.
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134 //
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135 // The Initial Developer of the Original Code is Red Hat.
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136 // Portions created by Red Hat are
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137 // Copyright (C) 1998, 1999, 2000, 2001 Red Hat, Inc.
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138 // All Rights Reserved.
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139 // -------------------------------------------
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140 //
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141 //####COPYRIGHTEND####
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142 //===========================================================================