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Correctly handle scenario where there are multiple flash devices but only one initialized successfully
author bartv
date Sun, 28 Nov 2004 19:10:03 +0000
parents 400806bc9c4f
children 9c1d9e5039c2
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1760
9abe5ac74a1a Correctly handle scenario where there are multiple flash devices but
bartv
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1 2004-11-28 Bart Veer <bartv@ecoscentric.com>
9abe5ac74a1a Correctly handle scenario where there are multiple flash devices but
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2
9abe5ac74a1a Correctly handle scenario where there are multiple flash devices but
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3 * src/flash.c (flash_sort_and_check): previous patch would have
9abe5ac74a1a Correctly handle scenario where there are multiple flash devices but
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4 resulted in init failure if only one device initialized.
9abe5ac74a1a Correctly handle scenario where there are multiple flash devices but
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5 (cyg_flash_get_info): handle per-device init flag
9abe5ac74a1a Correctly handle scenario where there are multiple flash devices but
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6
9abe5ac74a1a Correctly handle scenario where there are multiple flash devices but
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7 2004-11-25 Andrew Lunn <andrew.lunn@ascom.ch>
9abe5ac74a1a Correctly handle scenario where there are multiple flash devices but
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8
9abe5ac74a1a Correctly handle scenario where there are multiple flash devices but
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9 * src/flash.c (flash_sort_and_check): Don't add devices which
9abe5ac74a1a Correctly handle scenario where there are multiple flash devices but
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10 failed to initialise onto the list. Don't bother sorting the
9abe5ac74a1a Correctly handle scenario where there are multiple flash devices but
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11 list if its empty or only has one entry.
9abe5ac74a1a Correctly handle scenario where there are multiple flash devices but
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12 * src/flash.c (find_dev): All devices on the list are initialised so
9abe5ac74a1a Correctly handle scenario where there are multiple flash devices but
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13 don't both checking the init flag.
9abe5ac74a1a Correctly handle scenario where there are multiple flash devices but
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14
1749
80232dbac7fb Flash API clean-ups
bartv
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diff changeset
15 2004-11-22 Bart Veer <bartv@ecoscentric.com>
80232dbac7fb Flash API clean-ups
bartv
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16
1758
400806bc9c4f Remove unnecessary .2ram section attributes. These functions do not
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17 * src/legacy_dev.c: remove .2ram attributes. These functions do
400806bc9c4f Remove unnecessary .2ram section attributes. These functions do not
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18 not manipulate the hardware, there is no need for them to live in
400806bc9c4f Remove unnecessary .2ram section attributes. These functions do not
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19 ram rather than flash
1752
61fbcc1cb232 Clean up device driver interface
bartv
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diff changeset
20 * include/flash_priv.h, src/legacy_dev.c: clean up the interface
61fbcc1cb232 Clean up device driver interface
bartv
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21 between the generic flash code and the device drivers
1750
fac0499dabd6 Move legacy macros from a public to an internal header file, to
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22 * include/flash_priv, src/flash_legacy.h, src/flash.c,
fac0499dabd6 Move legacy macros from a public to an internal header file, to
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23 src/legacy_dev.c: move cache stuff andother legacy macros
fac0499dabd6 Move legacy macros from a public to an internal header file, to
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24 to an internal header.
1749
80232dbac7fb Flash API clean-ups
bartv
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25 * include/flash.h, include/flash_priv.h, doc/flash.sgml,
80232dbac7fb Flash API clean-ups
bartv
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26 src/flash.c, src/legacy_dev.c: put const in the right places,
80232dbac7fb Flash API clean-ups
bartv
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27 and rename cyg_block_info to cyg_flash_block_info
80232dbac7fb Flash API clean-ups
bartv
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28
1743
0d824ba900cc Encapsulate various bits of optional functionality inside macros, to
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29 2004-11-21 Bart Veer <bartv@ecoscentric.com>
0d824ba900cc Encapsulate various bits of optional functionality inside macros, to
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30
1747
a221170fac3d Add an optimization for the common case of a single flash device
bartv
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31 * src/flash.c, include/flash_priv.h, cdl/io_flash.h: optimize
a221170fac3d Add an optimization for the common case of a single flash device
bartv
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32 for the case of a single flash device.
1746
172edf8a96d8 Eliminate cyg_flash_code_overlaps()
bartv
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33 * include/flash.h, src/flash.c, doc/flash.sgml: remove
172edf8a96d8 Eliminate cyg_flash_code_overlaps()
bartv
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34 cyg_flash_code_overlaps()
1745
49e24a462730 Clean up flash configury
bartv
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35 * include/flash_priv.h, include/flash.h:
49e24a462730 Clean up flash configury
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36 CYGSEM_IO_FLASH_LEGACY_DEVICE_API has been removed, test
49e24a462730 Clean up flash configury
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37 CYGHWR_IO_FLASH_DEVICE_LEGACY instead
49e24a462730 Clean up flash configury
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38 * cdl/io_flash.cdl: lots of clean-ups
1744
f854ed1e81db Fix reads on legacy devices
bartv
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39 * src/legacy_dev.c (legacy_flash_read): only needed if the
f854ed1e81db Fix reads on legacy devices
bartv
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40 underlying legacy driver required indirect reads.
1743
0d824ba900cc Encapsulate various bits of optional functionality inside macros, to
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41 * src/flash.c: encapsulate various optional bits of code in
0d824ba900cc Encapsulate various bits of optional functionality inside macros, to
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42 macros, to cut down on the #ifdef's in the main code
0d824ba900cc Encapsulate various bits of optional functionality inside macros, to
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43
1741
9464c6747e99 Sort out the various loops to cope with boundary conditions,
bartv
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44 2004-11-20 Bart Veer <bartv@ecoscentric.com>
9464c6747e99 Sort out the various loops to cope with boundary conditions,
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45
1742
a668b95e5f2e Only include the support for indirect flash reads if there are devices
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46 * cdl/io_flash.cdl, src/flash.c(cyg_flash_read): add an interface
a668b95e5f2e Only include the support for indirect flash reads if there are devices
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47 for hardware which requires indirect reads, and suppress
a668b95e5f2e Only include the support for indirect flash reads if there are devices
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48 unnecessary code if direct reads are always available.
1741
9464c6747e99 Sort out the various loops to cope with boundary conditions,
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49 * src/flash.c: rearrange loops to avoid address comparisons, which
9464c6747e99 Sort out the various loops to cope with boundary conditions,
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50 tend to go wrong if the flash is at the end of the address space
9464c6747e99 Sort out the various loops to cope with boundary conditions,
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51
1735
e308039f4579 * src/legacy_dev.c (legacy_flash_init): The end is the size plus
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52 2004-10-06 Andrew Lunn <andrew.lunn@ascom.ch>
e308039f4579 * src/legacy_dev.c (legacy_flash_init): The end is the size plus
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53
e308039f4579 * src/legacy_dev.c (legacy_flash_init): The end is the size plus
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54 * src/legacy_dev.c (legacy_flash_init): The end is the size plus
e308039f4579 * src/legacy_dev.c (legacy_flash_init): The end is the size plus
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55 the start.
e308039f4579 * src/legacy_dev.c (legacy_flash_init): The end is the size plus
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56
1730
3f6b1c304c7a * src/flash.c: Offset into the block is not calculated correctly
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57 2004-09-30 Savin Zlobec <savin@elatec.si>
3f6b1c304c7a * src/flash.c: Offset into the block is not calculated correctly
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58
3f6b1c304c7a * src/flash.c: Offset into the block is not calculated correctly
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59 * src/flash.c: Offset into the block is not calculated correctly
3f6b1c304c7a * src/flash.c: Offset into the block is not calculated correctly
asl
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60 when the flash start is not aligned on a flash block.
3f6b1c304c7a * src/flash.c: Offset into the block is not calculated correctly
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61 * src/legacy_dev.c (legacy_flash_read): Fixed typo.
3f6b1c304c7a * src/flash.c: Offset into the block is not calculated correctly
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62
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e290a0372578 * src/flash.c (cyg_flash_init): Add assert checking that the
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63 2004-09-14 Andrew Lunn <andrew.lunn@ascom.ch>
e290a0372578 * src/flash.c (cyg_flash_init): Add assert checking that the
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64
e290a0372578 * src/flash.c (cyg_flash_init): Add assert checking that the
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65 * src/flash.c (cyg_flash_init): Add assert checking that the
e290a0372578 * src/flash.c (cyg_flash_init): Add assert checking that the
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66 end address matches the block information.
e290a0372578 * src/flash.c (cyg_flash_init): Add assert checking that the
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67 * src/legacy_dev.c (legacy_flash_init): Ensure that the end
e290a0372578 * src/flash.c (cyg_flash_init): Add assert checking that the
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68 address is the last valid address, not the first invalid address.
e290a0372578 * src/flash.c (cyg_flash_init): Add assert checking that the
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69
1723
0cc13d07a67e * src/flash.c: Support flash blocks of arbitary size. The
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70 2004-09-09 Andrew Lunn <andrew.lunn@ascom.ch>
0cc13d07a67e * src/flash.c: Support flash blocks of arbitary size. The
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71
0cc13d07a67e * src/flash.c: Support flash blocks of arbitary size. The
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72 * src/flash.c: Support flash blocks of arbitary size. The
0cc13d07a67e * src/flash.c: Support flash blocks of arbitary size. The
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73 DataFlash devices for example have block of 528 bytes.
0cc13d07a67e * src/flash.c: Support flash blocks of arbitary size. The
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74
1722
c4240af0fa28 * removed the functions cyg_flash_get_limits and
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75 2004-08-21 Andrew Lunn <andrew.lunn@ascom.ch>
c4240af0fa28 * removed the functions cyg_flash_get_limits and
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76
c4240af0fa28 * removed the functions cyg_flash_get_limits and
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77 * removed the functions cyg_flash_get_limits and
c4240af0fa28 * removed the functions cyg_flash_get_limits and
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78 cyg_flash_get_block_info. Reimplemented the legacy functions
c4240af0fa28 * removed the functions cyg_flash_get_limits and
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79 that depended on them and flashiodev.c
c4240af0fa28 * removed the functions cyg_flash_get_limits and
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80
1719
c506b95a6346 * src/flashiodev.c Ordering problem again. If an invalid name is
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81 2004-08-19 Andrew Lunn <andrew.lunn@ascom.ch>
c506b95a6346 * src/flashiodev.c Ordering problem again. If an invalid name is
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82
c506b95a6346 * src/flashiodev.c Ordering problem again. If an invalid name is
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83 * src/flashiodev.c Ordering problem again. If an invalid name is
c506b95a6346 * src/flashiodev.c Ordering problem again. If an invalid name is
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84 configured the lookup would fail and it then was impossible to do
c506b95a6346 * src/flashiodev.c Ordering problem again. If an invalid name is
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85 a cyg_io_config_set. Lookup cannot fail because the name does not
c506b95a6346 * src/flashiodev.c Ordering problem again. If an invalid name is
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86 exist in FIS.
c506b95a6346 * src/flashiodev.c Ordering problem again. If an invalid name is
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87
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868c3fa9315f * src/flash.c: Make the flock lock/unlock code compile without
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88 2004-08-13 Andrew Lunn <andrew.lunn@ascom.ch>
868c3fa9315f * src/flash.c: Make the flock lock/unlock code compile without
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89
868c3fa9315f * src/flash.c: Make the flock lock/unlock code compile without
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90 * src/flash.c: Make the flock lock/unlock code compile without
868c3fa9315f * src/flash.c: Make the flock lock/unlock code compile without
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91 warnings.
868c3fa9315f * src/flash.c: Make the flock lock/unlock code compile without
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92 * src/flashiodev.c (flashiodev_lookup): Only initialize the device
868c3fa9315f * src/flash.c: Make the flock lock/unlock code compile without
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93 if we have not already been initialized via cyg_set_config().
868c3fa9315f * src/flash.c: Make the flock lock/unlock code compile without
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94 This stopped redboots mount -f working.
868c3fa9315f * src/flash.c: Make the flock lock/unlock code compile without
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95
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39063f315a19 * src/flashiodev.c (flashiodev_lookup): Moved most of the
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96 2004-08-09 Andrew Lunn <andrew.lunn@ascom.ch>
39063f315a19 * src/flashiodev.c (flashiodev_lookup): Moved most of the
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97
39063f315a19 * src/flashiodev.c (flashiodev_lookup): Moved most of the
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98 * src/flashiodev.c (flashiodev_lookup): Moved most of the
39063f315a19 * src/flashiodev.c (flashiodev_lookup): Moved most of the
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99 flashiodev_init into this new function. This fixed the ordering
39063f315a19 * src/flashiodev.c (flashiodev_lookup): Moved most of the
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100 issue with redboot startup. When doing a FIS name lookup in
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868c3fa9315f * src/flash.c: Make the flock lock/unlock code compile without
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101 flashiodev_init, redboot was not yet nitialised so lookup
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39063f315a19 * src/flashiodev.c (flashiodev_lookup): Moved most of the
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102 failed. Moving this into flashiodev_lookup solves this problem.
39063f315a19 * src/flashiodev.c (flashiodev_lookup): Moved most of the
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103 Its now possible for redboot to mount the jffs2 filesystem with
39063f315a19 * src/flashiodev.c (flashiodev_lookup): Moved most of the
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104 -d /dev/flash1.
39063f315a19 * src/flashiodev.c (flashiodev_lookup): Moved most of the
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105
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3bafac44ac03 * src/flashiodev.c: Fix typo in macro and configuration options
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106 2004-08-06 Andrew Lunn <andrew.lunn@ascom.ch>
3bafac44ac03 * src/flashiodev.c: Fix typo in macro and configuration options
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107
3bafac44ac03 * src/flashiodev.c: Fix typo in macro and configuration options
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108 * src/flashiodev.c: Fix typo in macro and configuration options
3bafac44ac03 * src/flashiodev.c: Fix typo in macro and configuration options
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109
1706
3845779eca10 * src/flash.c: Major rewrite to implement a new API
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110 2004-08-05 Andrew Lunn <andrew.lunn@ascom.ch>
3845779eca10 * src/flash.c: Major rewrite to implement a new API
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111
3845779eca10 * src/flash.c: Major rewrite to implement a new API
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112 * src/flash.c: Major rewrite to implement a new API
3845779eca10 * src/flash.c: Major rewrite to implement a new API
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113 * src/legacy_api.c: Support the legacy API
3845779eca10 * src/flash.c: Major rewrite to implement a new API
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114 * src/legacy_drv.c: Support the legacy driver API
3845779eca10 * src/flash.c: Major rewrite to implement a new API
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115 * src/flashiodev.c: Support the new API and multiple devices
3845779eca10 * src/flash.c: Major rewrite to implement a new API
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116 * include/flash_priv.h: Interface devices should use
3845779eca10 * src/flash.c: Major rewrite to implement a new API
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117 * cdl/io_flash.cdl: Updates for new interface and multiple devices.
3845779eca10 * src/flash.c: Major rewrite to implement a new API
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118
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2a83c3d9c985 Added documentation of the FLASH API.
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119 2004-06-20 Andrew Lunn <andrew.lunn@ascom.ch>
2a83c3d9c985 Added documentation of the FLASH API.
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120
1675
e1d094896914 Don't check if the flash is write protected before performing a read.
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121 * src/flash.c (flash_read): Don't check if the flash is write
e1d094896914 Don't check if the flash is write protected before performing a read.
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122 protected before performing a read.
1674
2a83c3d9c985 Added documentation of the FLASH API.
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123 * doc/flash.sgml
2a83c3d9c985 Added documentation of the FLASH API.
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124 * cdl/io_flash.cdl: Added documentation of the FLASH API
2a83c3d9c985 Added documentation of the FLASH API.
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125
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5118f42e7e62 * src/flashiodev.c: When checking flash upper bound, allow for end
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126 2004-04-29 Sebastien Couret <sebastien.couret@elios-informatique.com>
5118f42e7e62 * src/flashiodev.c: When checking flash upper bound, allow for end
jlarmour
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127 2004-04-29 Jonathan Larmour <jifl@eCosCentric.com>
5118f42e7e62 * src/flashiodev.c: When checking flash upper bound, allow for end
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128
5118f42e7e62 * src/flashiodev.c: When checking flash upper bound, allow for end
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129 * src/flashiodev.c: When checking flash upper bound, allow for end
5118f42e7e62 * src/flashiodev.c: When checking flash upper bound, allow for end
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130 of flash at 0xffffffff.
5118f42e7e62 * src/flashiodev.c: When checking flash upper bound, allow for end
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131
1411
5e52f3febc7d Specify flash block device names at runtime - from David Woodhouse
gthomas
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132 2003-11-27 David Woodhouse <dwmw2@infradead.org>
5e52f3febc7d Specify flash block device names at runtime - from David Woodhouse
gthomas
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133
5e52f3febc7d Specify flash block device names at runtime - from David Woodhouse
gthomas
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134 * src/flashiodev.c: Enable set_config() and implement
5e52f3febc7d Specify flash block device names at runtime - from David Woodhouse
gthomas
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135 CYG_IO_SET_CONFIG_FLASH_FIS_NAME.
5e52f3febc7d Specify flash block device names at runtime - from David Woodhouse
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136
1400
707a873489c8 * src/flash.c: gcc 3.x vs gcc 2.x problems.
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137 2003-11-25 Andrew Lunn <andrew.lunn@ascom.ch>
707a873489c8 * src/flash.c: gcc 3.x vs gcc 2.x problems.
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138
707a873489c8 * src/flash.c: gcc 3.x vs gcc 2.x problems.
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139 * src/flash.c: gcc 3.x vs gcc 2.x problems.
707a873489c8 * src/flash.c: gcc 3.x vs gcc 2.x problems.
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140
1394
86d40b65e079 * cdl/io_flash.cdl:
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141 2003-11-24 Jani Monoses <jani@iv.ro>
86d40b65e079 * cdl/io_flash.cdl:
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142
86d40b65e079 * cdl/io_flash.cdl:
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143 * cdl/io_flash.cdl:
86d40b65e079 * cdl/io_flash.cdl:
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144 * include/flash.h: Remove CYGNUM_FLASH_WORKSPACE_SIZE cdl option.
86d40b65e079 * cdl/io_flash.cdl:
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145
1391
c1f61c891552 * src/flashiodev.c (flashiodev_bwrite): Use flash_read rather than
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146 2003-11-24 Roland Ca�ebohm <roland.cassebohm@visionsystems.de>
c1f61c891552 * src/flashiodev.c (flashiodev_bwrite): Use flash_read rather than
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147
c1f61c891552 * src/flashiodev.c (flashiodev_bwrite): Use flash_read rather than
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148 * src/flashiodev.c (flashiodev_bwrite): Use flash_read rather than
c1f61c891552 * src/flashiodev.c (flashiodev_bwrite): Use flash_read rather than
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149 directly doing a memcpy.
c1f61c891552 * src/flashiodev.c (flashiodev_bwrite): Use flash_read rather than
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150
1389
587b0b1c6927 * src/flash.c:
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151 2003-11-20 Jani Monoses <jani@iv.ro>
587b0b1c6927 * src/flash.c:
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152
587b0b1c6927 * src/flash.c:
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153 * src/flash.c:
587b0b1c6927 * src/flash.c:
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154 * src/flashiodev.c:
587b0b1c6927 * src/flash.c:
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155 * include/flash.h: Remove references to work_space and work_space_size
587b0b1c6927 * src/flash.c:
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156 since they are no longer used.
587b0b1c6927 * src/flash.c:
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157
1371
e4d78a7a628d Remove support for non-RAM drivers (depricated)
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158 2003-11-20 Jani Monoses <jani@iv.ro>
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159
e4d78a7a628d Remove support for non-RAM drivers (depricated)
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160 * cdl/io_flash.cdl:
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161 * src/flash.c: Remove handling of CYGHWR_IO_FLASH_DEVICE_NOT_IN_RAM
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162 now that all flash drivers use ELF sections to specify which parts
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163 go in RAM.
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164
1290
7fb73b26ec8a Fix compile error
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165 2003-10-08 Roland Cassebohm <roland.cassebohm@visionsystems.de>
7fb73b26ec8a Fix compile error
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166
7fb73b26ec8a Fix compile error
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167 * src/flash.c: Fix parse error if CYGSEM_IO_FLASH_READ_INDIRECT
7fb73b26ec8a Fix compile error
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168 is not defined.
7fb73b26ec8a Fix compile error
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169
1223
dbcfe4e0dbd2 New platform - TAMS MOAB - and generic changes to support it
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170 2003-09-19 Gary Thomas <gary@mlbassoc.com>
dbcfe4e0dbd2 New platform - TAMS MOAB - and generic changes to support it
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171
dbcfe4e0dbd2 New platform - TAMS MOAB - and generic changes to support it
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172 * src/flash.c:
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173 * include/flash.h:
dbcfe4e0dbd2 New platform - TAMS MOAB - and generic changes to support it
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174 * cdl/io_flash.cdl: Add support for NAND (indirectly accessed)
dbcfe4e0dbd2 New platform - TAMS MOAB - and generic changes to support it
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175 devices. This includes a generic "flash_read_buf()" function.
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176
944
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177 2003-04-14 Jani Monoses <jani@iv.ro>
f493618bc252 * include/flash_dev.h: Include <cyg/infra/cyg_type.h>
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178
f493618bc252 * include/flash_dev.h: Include <cyg/infra/cyg_type.h>
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179 * include/flash_dev.h: Include <cyg/infra/cyg_type.h>
f493618bc252 * include/flash_dev.h: Include <cyg/infra/cyg_type.h>
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180
842
3c5c8c8ffa30 Fix compile/syntax error - from Thomas Koeller
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181 2003-03-19 Thomas Koeller <thomas.koeller@baslerweb.com>
3c5c8c8ffa30 Fix compile/syntax error - from Thomas Koeller
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182
3c5c8c8ffa30 Fix compile/syntax error - from Thomas Koeller
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183 * src/flashiodev.c: Fixed trivial error.
3c5c8c8ffa30 Fix compile/syntax error - from Thomas Koeller
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184
791
a2dfa8bf3c57 Export RedBoot FIS functions - from Knud Woehler <knud.woehler@microplex.de>
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185 2003-03-03 Knud Woehler <knud.woehler@microplex.de>
a2dfa8bf3c57 Export RedBoot FIS functions - from Knud Woehler <knud.woehler@microplex.de>
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186
a2dfa8bf3c57 Export RedBoot FIS functions - from Knud Woehler <knud.woehler@microplex.de>
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187 * src/flashiodev.c:
a2dfa8bf3c57 Export RedBoot FIS functions - from Knud Woehler <knud.woehler@microplex.de>
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188 * cdl/io_flash.cdl: Add CYGNUM_IO_FLASH_BLOCK_CFG_FIS_1 /
a2dfa8bf3c57 Export RedBoot FIS functions - from Knud Woehler <knud.woehler@microplex.de>
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189 CYGNUM_IO_FLASH_BLOCK_CFG_STATIC_1. Initialize the block device
a2dfa8bf3c57 Export RedBoot FIS functions - from Knud Woehler <knud.woehler@microplex.de>
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190 from the FIS table.
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191
713
769b19e0b086 * cdl/io_flash.cdl: Remove irrelevant doc link - default to top
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192 2003-02-24 Jonathan Larmour <jifl@eCosCentric.com>
769b19e0b086 * cdl/io_flash.cdl: Remove irrelevant doc link - default to top
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193
769b19e0b086 * cdl/io_flash.cdl: Remove irrelevant doc link - default to top
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194 * cdl/io_flash.cdl: Remove irrelevant doc link - default to top
769b19e0b086 * cdl/io_flash.cdl: Remove irrelevant doc link - default to top
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195 level.
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196
208
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197 2002-01-31 Jonathan Larmour <jlarmour@redhat.com>
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198
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199 * src/flashiodev.c: Fix bounds checking and offsetting.
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200
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201 * cdl/io_flash.cdl (CYGNUM_IO_FLASH_BLOCK_LENGTH_1): Default to
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202 0x100000 for convenience.
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203
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diff changeset
204 2002-01-30 Jonathan Larmour <jlarmour@redhat.com>
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205
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206 * cdl/io_flash.cdl: Allow specification of an offset and length
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207 of the region of flash.
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208 * src/flashiodev.c: Use it.
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209
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diff changeset
210 2002-01-24 Jesper Skov <jskov@redhat.com>
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211
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212 * include/flash.h: Add a comment about the obvious: the flash
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213 caching macros should be called with interrupts disabled.
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214
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215 2002-01-23 Jonathan Larmour <jlarmour@redhat.com>
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216
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217 * cdl/io_flash.cdl: Add CYGPKG_IO_FLASH_BLOCK_DEVICE and
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218 CYGDAT_IO_FLASH_BLOCK_DEVICE_NAME_1 to allow exporting flash
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219 as block devices accessible from file systems.
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220 * src/fileiodev.c: New file implementing this.
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221 * include/flash.h: Add typedefs for the various structures used
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222 to configure the block devices.
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223
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224 2002-01-18 Paul Fine <pfine@delcomsys.com>
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225
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226 * src/flash.c : Modified flash_verify_addr, flash_erase,
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227 flash_lock and flash_unlock to to work properly when the location
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228 of the flash in the memory map is at the very top of the address
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229 space. We check and handle values that may overflow.
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230
195
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diff changeset
231 2001-10-28 Gary Thomas <gthomas@redhat.com>
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232
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233 * src/flash.c (flash_erase): Don't call hardware layer if block
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234 appears to be already erased [faster and less wear & tear].
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235
194
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diff changeset
236 2001-10-25 Jonathan Larmour <jlarmour@redhat.com>
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237
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238 * include/flash_dev.h: Fix test of 4x16-bit flash parts.
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239 Spotted by Jose Pascual <josepascual@almudi.com>
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240
191
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diff changeset
241 2001-10-16 Jesper Skov <jskov@redhat.com>
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242
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243 * src/flash.c: Include string.h
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244
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245 * cdl/io_flash.cdl: Package requires ISOINFRA and string
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246 functions.
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247
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248 2001-10-15 David Howells <dhowells@redhat.com>
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249
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250 * src/flash.c: Include string.h to get mem*() functions.
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251
184
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252 2001-09-25 Gary Thomas <gthomas@redhat.com>
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253
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254 * include/flash.h: Remove warning on printf() prototype.
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255
177
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256 2001-08-10 Jesper Skov <jskov@redhat.com>
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257
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258 * cdl/io_flash.cdl: Changed flavor of
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259 CYGHWR_IO_FLASH_BLOCK_LOCKING to booldata.
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260 * include/flash.h: Matching changes.
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261 * src/flash.c: Matching changes.
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262
174
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263 2001-07-23 David Howells <dhowells@redhat.com>
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264
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265 * cdl/io_flash.cdl: Added software write protect option.
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266 * include/flash.h: Ditto.
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267 * src/flash.c: Added software write protect option and bank
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268 support, and prevented low-level writes from being handed
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269 cross-block data chunks.
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270
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271 2001-07-20 Gary Thomas <gthomas@redhat.com>
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272
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273 * include/flash.h:
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274 * cdl/io_flash.cdl: Name convention: CYGINT_FLASH_WORKSPACE_SIZE
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275 renamed to be CYGNUM_FLASH_WORKSPACE_SIZE.
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276
172
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277 2001-07-19 Gary Thomas <gthomas@redhat.com>
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278
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279 * include/flash.h:
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280 * cdl/io_flash.cdl: New option CYGINT_FLASH_WORKSPACE_SIZE used
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281 to control how much memory is reserved for use by FLASH drivers.
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282
163
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283 2001-06-19 Hugo Tyson <hmt@redhat.com>
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284
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285 * src/flash.c (flash_program): Only verify program with memcmp if
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286 the status code suggests the programming went OK so far.
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287 Otherwise all errors become verify errors.
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288
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289 (flash_init): Fix bug in removal of dependency of printf(). The
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290 pointer was not initialized until after the call into the driver.
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291
162
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292 2001-06-11 Gary Thomas <gthomas@redhat.com>
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293
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294 * src/flash.c:
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295 * include/flash.h: Remove dependency on printf() via user functions.
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296
160
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297 2001-05-23 Jesper Skov <jskov@redhat.com>
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298
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299 * include/flash_dev.h (FLASH_P2V): Use CYG_ADDRWORD instead of int.
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300
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301 * src/flash.c: Copy functions to RAM iff
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302 CYGHWR_IO_FLASH_DEVICE_NOT_IN_RAM defined.
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303
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304 * cdl/io_flash.cdl: Changed CYGHWR_IO_FLASH_DEVICE_IN_RAM to
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305 CYGHWR_IO_FLASH_DEVICE_NOT_IN_RAM.
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306
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307 2001-05-21 Jonathan Larmour <jlarmour@redhat.com>
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308
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309 * include/flash_dev.h: Fix cyg_uin16 typo.
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310
157
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311 2001-03-29 Mark Salter <msalter@redhat.com>
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312
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313 * cdl/io_flash.cdl (CYGSEM_IO_FLASH_VERIFY_PROGRAM): New option
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314 to control whether or not to perform extra verification of flash
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315 programming.
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316 * src/flash.c (flash_program): No verification unless
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317 CYGSEM_IO_FLASH_VERIFY_PROGRAM defined.
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318
156
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319 2001-03-21 Gary Thomas <gthomas@redhat.com>
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320
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321 * src/flash.c (flash_program): Verify data after programming.
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322
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323 2001-03-21 Jesper Skov <jskov@redhat.com>
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324
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325 * include/flash.h: Added low voltage error message.
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326 * src/flash.c: And its error message.
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327
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328 2001-03-17 Gary Thomas <gthomas@redhat.com>
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329
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330 * src/flash.c (flash_program):
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331 * include/flash.h: Add support for [StrataFLASH] buffered writes.
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332 This requires knowledge of the device write buffer size [saved].
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333
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334 2001-03-01 Gary Thomas <gthomas@redhat.com>
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335
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336 * src/flash.c:
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337 * include/flash.h: Allow platform to define pre/post routines
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338 to enable/disable device access. These may be required, e.g.
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339 to turn on some voltage, etc.
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340
154
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341 2001-02-23 Jesper Skov <jskov@redhat.com>
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342
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343 * include/flash.h: HAL_FLASH_CACHES_WANT_OPTIMAL replaced with
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344 (opposite sense) HAL_FLASH_CACHES_OLD_MACROS.
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345
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346 * src/flash.c (__anonymizer): Use to force the compiler to use
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347 jumps instead of branches.
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348
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349 2001-02-22 Jesper Skov <jskov@redhat.com>
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350
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351 * include/flash_dev.h: Added. Contains macros and definitions
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352 common to all (new style) flash device drivers.
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353
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354 * include/flash.h: Added two new error codes.
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355 * cdl/io_flash.cdl: Added CYGHWR_IO_FLASH_DEVICE_IN_RAM.
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356 * src/flash.c: Made functions respect
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357 CYGHWR_IO_FLASH_DEVICE_IN_RAM and jump directly to the code
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358 instead of copying it around.
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359 (__arm_broken): Work around problem with ARM tools.
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360
151
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361 2001-02-06 Hugo Tyson <hmt@redhat.com>
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362
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363 * src/flash.c (flash_erase): Add an additional argument to the
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364 call into the driver, being the blocksize (as discovered). This
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365 allows a gross check for actual erase in some drivers. Those that
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366 don't use it, it's harmless - after all, this is an API by trust.
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367
143
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368 2000-12-06 Jesper Skov <jskov@redhat.com>
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369
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370 * src/flash.c (flash_dev_query): Added. Allows reloc/cache magic
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371 to be removed from device drivers (eventually). Also fixed some
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372 warnings, and made function references use char[] instead of just
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373 char to prevent MIPS compiler from messing up.
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374
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375 * include/flash.h: Added FLASH_ERR_DRV_VERIFY and flash_dev_query.
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376
141
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377 2000-11-27 Jesper Skov <jskov@redhat.com>
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378
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379 * src/flash.c: Do all flash access inside properly
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380 cache-controlled region.
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381 * include/flash.h: Cache definitions.
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382
136
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383 2000-11-17 Jesper Skov <jskov@redhat.com>
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384
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385 * src/flash.c: Added debug mode, allowing device driver to use printf.
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386
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387 2000-11-16 Jesper Skov <jskov@redhat.com>
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388
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389 * src/flash.c: Added suspend error messages.
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390 * include/flash.h: Same.
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391
121
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392 2000-09-01 Hugo Tyson <hmt@cygnus.co.uk>
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393
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394 * include/flash.h:
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395 * src/flash.c: CYGHWR_IO_FLASH_BLOCK_LOCKING is an interface, so
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396 it's always defined; look for > 0 instead.
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397
119
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398 2000-08-28 Gary Thomas <gthomas@redhat.com>
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399
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400 * src/flash.c:
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401 * include/flash.h:
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402 * cdl/io_flash.cdl: Support block locking (optional by hardware).
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403
117
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404 2000-08-22 Hugo Tyson <hmt@cygnus.co.uk>
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405
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406 * src/flash.c (flash_program): Add HAL_ICACHE_DISABLE/ENABLE pairs
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407 around calls to RAM copy of programming/erasing function - this is
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408 necessary to get reliable operation on EBSA285 and similar.
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409 Otherwise, what is in the instruction cache might be run instead.
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410
115
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411 2000-08-14 Gary Thomas <gthomas@redhat.com>
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412
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413 * include/flash.h: Add block size mask for finding block boundaries.
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414
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415 * src/flash.c: Use block size properly.
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416
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417 2000-07-29 Gary Thomas <gthomas@redhat.com>
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418
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419 * include/flash.h:
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420 * src/flash.c (flash_get_block_info): New function.
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421 (flash_program): Program in block_size chunks as much as possible.
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422
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423 //===========================================================================
208
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424 //####ECOSGPLCOPYRIGHTBEGIN####
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425 // -------------------------------------------
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426 // This file is part of eCos, the Embedded Configurable Operating System.
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427 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
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428 //
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429 // eCos is free software; you can redistribute it and/or modify it under
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430 // the terms of the GNU General Public License as published by the Free
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431 // Software Foundation; either version 2 or (at your option) any later version.
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432 //
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433 // eCos is distributed in the hope that it will be useful, but WITHOUT ANY
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434 // WARRANTY; without even the implied warranty of MERCHANTABILITY or
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435 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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436 // for more details.
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437 //
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438 // You should have received a copy of the GNU General Public License along
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439 // with eCos; if not, write to the Free Software Foundation, Inc.,
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440 // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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441 //
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442 // As a special exception, if other files instantiate templates or use macros
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443 // or inline functions from this file, or you compile this file and link it
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444 // with other works to produce a work based on this file, this file does not
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445 // by itself cause the resulting work to be covered by the GNU General Public
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446 // License. However the source code for this file must still be made available
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447 // in accordance with section (3) of the GNU General Public License.
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448 //
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449 // This exception does not invalidate any other reasons why a work based on
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450 // this file might be covered by the GNU General Public License.
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451 //
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452 // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
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453 // at http://sources.redhat.com/ecos/ecos-license/
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454 // -------------------------------------------
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455 //####ECOSGPLCOPYRIGHTEND####
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456 //===========================================================================