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annotate packages/devs/flash/intel/stratav2/current/ChangeLog @ 1754:6a1e54eaaac8

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Update following changes to the flash device driver interface
author bartv
date Mon, 22 Nov 2004 20:17:05 +0000
parents 80232dbac7fb
children af5ce7899d45
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80232dbac7fb Flash API clean-ups
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1 2004-11-22 Bart Veer <bartv@ecoscentric.com>
80232dbac7fb Flash API clean-ups
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2
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6a1e54eaaac8 Update following changes to the flash device driver interface
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3 * include/flash_strata_v2.inl: adjust const parameters as per
6a1e54eaaac8 Update following changes to the flash device driver interface
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4 change to generic flash package
1749
80232dbac7fb Flash API clean-ups
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5 * include/flash_strata_v2.inl: rename cyg_block_info to
80232dbac7fb Flash API clean-ups
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6 cyg_flash_block_info
80232dbac7fb Flash API clean-ups
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7
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49e24a462730 Clean up flash configury
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8 2004-11-21 Bart Veer <bartv@ecoscentric.com>
49e24a462730 Clean up flash configury
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9
49e24a462730 Clean up flash configury
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10 * cdl/flash_strata_v2.cdl: CYGHWR_IO_FLASH_DEVICE_V2 is now
49e24a462730 Clean up flash configury
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11 implicit
49e24a462730 Clean up flash configury
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12
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d2486ee206e4 * include/flash_strata_v2.inl: Return the end address which is the
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13 2004-09-14 Andrew Lunn <andrew.lunn@ascom.ch>
d2486ee206e4 * include/flash_strata_v2.inl: Return the end address which is the
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15 * include/flash_strata_v2.inl: Return the end address which is the
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16 last valid address, not the first invalid address.
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17 Also import Mark Salters changes from the trunk.
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18
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c8515e560548 2004-08-21 Andrew Lunn <andrew.lunn@ascom.ch>
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19 2004-08-21 Andrew Lunn <andrew.lunn@ascom.ch>
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20
c8515e560548 2004-08-21 Andrew Lunn <andrew.lunn@ascom.ch>
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21 * include/flash_strata_v2.inl (flash_unlock_block):
c8515e560548 2004-08-21 Andrew Lunn <andrew.lunn@ascom.ch>
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22 * cdl/flash_strata_v2.cdl: CDL to control the maximum number of
c8515e560548 2004-08-21 Andrew Lunn <andrew.lunn@ascom.ch>
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23 blocks the driver supports. Some of the newer strata device has more
c8515e560548 2004-08-21 Andrew Lunn <andrew.lunn@ascom.ch>
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24 than the default maximum of 128. Problem pointed out by Kevin Zhang.
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25
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26 2004-08-13 Andrew Lunn <andrew.lunn@ascom.ch>
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28 * cdl/flash_strata_v2.cdl: Indicate we implement
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29 CYGHWR_IO_FLASH_BLOCK_LOCKING when
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30 CYGOPT_DEVS_FLASH_STRATA_V2_LOCKING is enabled.
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31 * include/flash_strata_v2.inl: Make block unlock and
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32 lock compile.
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33
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34 2004-08-05 Andrew Lunn <andrew.lunn@ascom.ch>
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35
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36 * New version of the strata driver based on the old version. This
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37 version uses the new flash device API.
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38
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39 2005-01-26 Scott Wilkinson <scott@alliantnetworks.com>
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40 * src/strata.h:
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41 * src/strata.c:
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42 Flash from STMicro is compatible with the Intel strata chips,
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43 so detect them as well. Check for manuf id 0x20.
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44
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45 2003-10-29 Jonathan Larmour <jifl@eCosCentric.com>
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46
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47 * src/flash_unlock_block.c (flash_unlock_block): test lock bit
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48 explicitly - newer flash parts use the reserved bits in the
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49 returned data.
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50
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51 2003-09-11 Jani Monoses <jani@iv.ro>
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52
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53 * src/flash_erase_block.c (flash_erase_block):
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54 * src/flash_program_buf.c (flash_program_buf): Fix bootblock handling
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55 in erase. Fix erase and word-program for Synchronous Strata and later
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56 chips where block address and word address are required in the first
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57 cycle of the operation while for earlier parts any address was good.
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58
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59 2003-09-10 Jani Monoses <jani@iv.ro>
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60
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61 * cdl/flash_strata.cdl:
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62 * src/flash_lock_block.c (flash_lock_block):
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63 * src/flash_unlock_block.c (flash_unlock_block):
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64 * src/flash_erase_block.c (flash_erase_block):
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65 * src/flash_query.c (flash_query):
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66 * src/flash_program_buf.c (flash_program_buf): Use .2ram sections
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67 for putting flash functions to RAM instead of the old method.
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68
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69 2003-05-02 Jani Monoses <jani@iv.ro>
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70
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71 * src/strata.c: Switch to using generic flash_query_dev.
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72 The previous cache related changes broke flash_query for
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73 Strata because in the query case the generic flash driver was not
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74 called to handle the caches but the internal handling was removed
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75 nevertheless.
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76
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77 2003-04-04 Jani Monoses <jani@iv.ro>
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78
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79 * src/strata.h:
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80 Use generic flash_dev.h for providing the FLASHWORD macro for
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81 different widths and device numbers.No reason to duplicate that
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82 here.This implicitely fixes the case when CYGNUM_FLASH_WIDTH is 16
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83 and CYGNUM_FLASH_DEVICES is 4.
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84
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85 2003-04-03 Jani Monoses <jani@iv.ro>
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86
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87 * src/flash_lock_block.c (flash_lock_block):
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88 * src/flash_unlock_block.c (flash_unlock_block):
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89 * src/flash_erase_block.c (flash_erase_block):
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90 * src/flash_query.c (flash_query):
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91 * src/flash_program_buf.c (flash_program_buf):
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92 Cache enabling and disabling are already handled by generic flash
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93
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94 2002-08-12 Mark Salter <msalter@redhat.com>
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95
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96 * src/flash_unlock_block.c: Add synchronous strataflash support.
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97 * src/strata.h: Add comments regarding synchronous strataflash.
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98
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99 2002-04-30 Christoph Csebits <christoph.csebits@frequentis.com>
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100
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101 * src/flash_unlock_block.c: Getting the current block lock
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102 state for flashes in 8-Bit mode is now working correctly.
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103
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104 2002-04-16 Jonathan Larmour <jlarmour@redhat.com>
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105
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106 * cdl/flash_strata.cdl: Invoke $(CC) with $(CFLAGS) to ensure the
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107 correct flags are passed.
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108
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109 2002-04-12 Gary Thomas <gthomas@redhat.com>
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110
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111 * src/strata.c: Clean up warnings.
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112
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113 2002-01-22 Mark Salter <msalter@redhat.com>
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114
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115 * cdl/flash_strata.cdl: Add ".text" before "_end" markers in .s files.
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116
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117 2001-10-23 Hugo Tyson <hmt@redhat.com>
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118
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119 * cdl/flash_strata.cdl: Provide an option so that RedBoot .ecm
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120 files can turn off the functionality of copying flash driver code
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121 to separate RAM for execution; it's not needed for RAM and ROMRAM
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122 startup, and for some platforms it is required to *not* copy thus.
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123
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124 2001-08-25 Gary Thomas <gthomas@redhat.com>
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125
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126 * src/flash_program_buf.c (flash_program_buf): Allow configuration
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127 specific code sequence for actual writing of data. Define by the
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128 macro CYGHWR_FLASH_WRITE_ELEM. Note: this is required on some
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129 hardware, like the Intel SA185, which handles flash writes in
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130 strange/obscure fashion.
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131
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132 2001-07-17 Jeroen Dobbelaere <jeroen.dobbelaere@acunia.com>
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133
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134 * src/flash_query.c (flash_query): Query needs to be done on even
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135 addresses for byte-enabled strata flash
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136
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137 * src/flash_program_buf.c (flash_program_buf): Fix of conversion of
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138 write buffer length (in bytes) to the length in 'flash_t' words.
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139
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140 2001-06-22 Hugo Tyson <hmt@redhat.com>
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141
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142 * src/strata.c (flash_hwr_init): Need to refer to the query code
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143 as extern char flash_query[], flash_query_end[]; (with the []) or
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144 MIPS code gen assumes these are short offsets and linking fails.
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145 The generic flash code in io/flash already uses this idiom.
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146
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147 2001-06-22 Hugo Tyson <hmt@redhat.com>
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148
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149 * src/strata.c (flash_hwr_init): Warnings reduced. No arithmetic
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150 on void *.
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151
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152 2001-06-21 Hugo Tyson <hmt@redhat.com>
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153
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154 * src/flash_program_buf.c (flash_program_buf): The buffered write
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155 code didn't jump out if there was a write error, nor verify the
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156 data by reading back. This isn't consistent with the slow case,
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157 and made it take an age if the device is unhappy, and then report
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158 a bizarre error code. Both issues fixed.
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159
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160 2001-06-21 Hugo Tyson <hmt@redhat.com>
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161
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162 * src/strata.c (flash_hwr_init): If shrinking to fit, must also
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163 adjust the flash_info.blocks field, else unlock crashes trying to
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164 get status of all those extra blocks that we cannot actually see.
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165
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166 2001-06-11 Gary Thomas <gthomas@redhat.com>
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167
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168 * src/strata.c: Remove dependency on printf() via user functions.
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169
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170 2001-06-07 Hugo Tyson <hmt@redhat.com>
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171
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172 * src/strata.c (flash_hwr_init): If we find a flash device that is
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173 larger than is possible given the memory map, shrink to fit.
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174 We know about the memory map from CYGNUM_FLASH_BASE_MASK (if
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175 defined); it tells us the stride from one device to another.
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176
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177 This is to cope with installing, say, a 28F640 in a slot designed
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178 for a 28F320 because of supply issues - it all works fine so long
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179 as A22 is grounded.
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180
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181 2001-05-23 Jesper Skov <jskov@redhat.com>
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182
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183 * cdl/flash_strata.cdl: Needs IO driver to copy functions to RAM.
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184
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185 2001-04-26 Gary Thomas <gthomas@redhat.com>
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186
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187 * src/strata.c: Be more careful when enable/flush/disable caches.
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188
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189 * src/flash_erase_block.c (flash_erase_block): Boot block devices
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190 may require additional erase commands to erase entire 'block'.
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191
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192 2001-03-21 Hugo Tyson <hmt@redhat.com>
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193
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194 * src/strata.h (FLASH_Write_Buffer): Do not define this if
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195 CYGOPT_FLASH_IS_NOT_ADVANCED is defined; Advanced (xxxJ3) flash is
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196 usual these days. Also added documentation of the options that
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197 can be used to control this module.
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198
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199 * src/flash_program_buf.c (flash_program_buf): Reduce warnings
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200 about unused variables if no FLASH_Write_Buffer command available.
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201
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202 2001-03-21 Gary Thomas <gthomas@redhat.com>
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203
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204 * src/flash_program_buf.c (flash_program_buf): Buffered write code
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205 fixups, only on platforms with it defined.
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206
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207 2001-03-17 Gary Thomas <gthomas@redhat.com>
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208
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209 * src/strata.h:
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210 * src/strata.c: Support buffered writes.
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211
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212 * src/flash_program_buf.c: Use buffered writes if possible. This
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213 mode allows the chip to do parallelized writes which is much faster.
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214 It does require additional information, now provided by upper layer.
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215
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216 2001-02-15 Hugo Tyson <hmt@redhat.com>
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217
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218 * src/flash_query.c (flash_query): Depending on whether
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219 CYGOPT_FLASH_IS_BOOTBLOCK (just a #define from the instantiator,
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220 not really a cdl_option) is set, do the full Read_Query or just
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221 acquire two codes for manufacturer and device type using Read_ID.
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222
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223 * src/strata.c (flash_hwr_init): Again depending on whether
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224 CYGOPT_FLASH_IS_BOOTBLOCK, decode the device type into a size and
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225 so on, or use the full Read_Query data as before.
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226
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227 * src/strata.h (FLASH_Read_ID): Undefine those commands which we
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228 do not use. Conditionally define those that we use depending on
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229 CYGOPT_FLASH_IS_BOOTBLOCK. Thus we should be able to deal with
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230 StrataFlash and BootBlock flash with the same code.
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231
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232 * cdl/flash_strata.cdl: Do not implement (in the CDL sense)
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233 CYGHWR_IO_FLASH_BLOCK_LOCKING leave it up to the instantiating
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234 package instead. Also move the build of the two objects that do
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235 locking and unlocking into a compenent which is only active if
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236 CYGHWR_IO_FLASH_BLOCK_LOCKING is indeed (requested to be)
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237 implemented somewhere.
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238
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239 2001-02-14 Hugo Tyson <hmt@redhat.com>
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240
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241 * devs/flash/intel/strata/...: New package, generic strataFlash
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242 driver based on several others; a portion of its history
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243 follows...
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244
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245 flash.h -> strata.h
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246 flash<platform>.c -> strata.c
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247
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248 2001-02-06 Hugo Tyson <hmt@redhat.com>
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249
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250 * src/flash.h: Much more generic again. Not yet separated into
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251 generic component and invocation header, but the structure is
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252 there. Also included support for a mapping from the physical
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253 flash address we're thinking of to the virtual address we use to
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254 access it. More documentation. Generalization to 8,16,32 and
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255 64-bit access, made up from 8,16 or 32-bit devices. Command and
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256 status macros modified to accommodate these options.
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257
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258 * src/flash_lock_block.c (flash_lock_block):
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259 * src/flash_erase_block.c (flash_erase_block):
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260 * src/flash_query.c (flash_query):
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261 * src/flash_program_buf.c (flash_program_buf):
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262 All now acquire when possible the ROM address from the block
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263 address, and use the physical to virtual macro as needed.
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264
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265 * src/flash_unlock_block.c (flash_unlock_block):
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266 The same changes, but a little more complex because of the need to
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267 clear-all then re-lock some semantics. Shadow pointer to virtual
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268 address is used each time round the loop.
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269
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270 * cdl/flash_strata.cdl: Add explicit dependencies on flash.h, for
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271 there were none - or they were ignored - for the specially built
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272 compilation units that get copied to RAM for execution.
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273
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274 2001-02-01 Hugo Tyson <hmt@redhat.com>
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275
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276 * all: copied from the assabet flash driver.
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277
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278 2000-12-05 Jonathan Larmour <jlarmour@redhat.com>
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279
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280 * src/assabet_flash.c (flash_code_overlaps): Define stext/etext
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281 as array types so no assumptions can be made by the compiler about
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282 location.
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283
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284 2000-10-24 Gary Thomas <gthomas@redhat.com>
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285
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286 * src/flash_unlock_block.c (flash_unlock_block):
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287 * src/flash_lock_block.c (flash_lock_block):
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288 * src/flash_program_buf.c (flash_program_buf):
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289 * src/flash_erase_block.c (flash_erase_block): Support up to 32M FLASH.
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290
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291 2000-09-10 Gary Thomas <gthomas@redhat.com>
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292
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293 * src/flash_unlock_block.c:
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294 * src/flash_lock_block.c: New file(s).
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295
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296 * src/flash.h:
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297 * cdl/flash_assabet.cdl: Add region locking functions.
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298
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299 2000-08-29 Gary Thomas <gthomas@redhat.com>
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300
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301 * src/assabet_flash.c: Improve error decoding.
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302
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303 2000-08-24 Gary Thomas <gthomas@redhat.com>
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304
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305 * src/flash_query.c:
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306 * src/flash_erase_block.c:
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307 * src/flash.h: FLASH support for Intel SA1110 Assabet.
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308
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309 //===========================================================================
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310 //####ECOSGPLCOPYRIGHTBEGIN####
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311 // -------------------------------------------
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312 // This file is part of eCos, the Embedded Configurable Operating System.
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313 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
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314 //
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315 // eCos is free software; you can redistribute it and/or modify it under
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316 // the terms of the GNU General Public License as published by the Free
57655b789e8a * New version of the strata driver based on the old version. This
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317 // Software Foundation; either version 2 or (at your option) any later version.
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318 //
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319 // eCos is distributed in the hope that it will be useful, but WITHOUT ANY
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320 // WARRANTY; without even the implied warranty of MERCHANTABILITY or
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321 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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322 // for more details.
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323 //
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324 // You should have received a copy of the GNU General Public License along
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325 // with eCos; if not, write to the Free Software Foundation, Inc.,
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326 // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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327 //
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328 // As a special exception, if other files instantiate templates or use macros
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329 // or inline functions from this file, or you compile this file and link it
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330 // with other works to produce a work based on this file, this file does not
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331 // by itself cause the resulting work to be covered by the GNU General Public
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332 // License. However the source code for this file must still be made available
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333 // in accordance with section (3) of the GNU General Public License.
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334 //
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335 // This exception does not invalidate any other reasons why a work based on
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336 // this file might be covered by the GNU General Public License.
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337 //
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338 // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
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339 // at http://sources.redhat.com/ecos/ecos-license/
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340 // -------------------------------------------
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341 //####ECOSGPLCOPYRIGHTEND####
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342 //===========================================================================