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  17. 16 Mar, 2013 1 commit
    • Stefan Tauner's avatar
      Fix evil twins of Macronix MX25L1605, MX25L3205, MX25L6405 · 226037da
      Stefan Tauner authored 
      Similarly to the patch in r1647 this one updates the chips identified as above
with references to and data about their respective twins. Unlike previously this
one deals with the more evil details.

Helge Wagner from GE discovered some problems with chips sharing IDs
and proposed a patch to tackle (some of) them, see:
http://patchwork.coreboot.org/patch/3709/
That patch was bitrotting in our mailboxes for a long time and it is still not
ready for merge, but we increasingly get reports about problems (e.g.
http://paste.flashrom.org/view.php?id=1525) regarding these chips and
hence must act to ensure users' safety.

This patch splits the chip definitions of evil twins into separate ones which
correctly declare the respective attributes (the main problems are the erase
block sizes for the 0x20 opcode and hence my changes combine different
chips with partly different attributes apart from their names as long as the
erasers layout it the same). This fo...
      226037da
  19. 15 Mar, 2013 2 commits
  21. 09 Mar, 2013 1 commit
  23. 04 Mar, 2013 2 commits
  25. 03 Mar, 2013 1 commit
  27. 22 Feb, 2013 1 commit
  29. 20 Feb, 2013 1 commit
  31. 04 Feb, 2013 1 commit
    • Stefan Tauner's avatar
      Fix building for MacOSX · e038e908
      Stefan Tauner authored 
      
- Add a new macro named IS_MACOSX to hwaccess.c and use it to enable iopl().
  This was broken since r1638. This fix does *not* restore the very permissive
  concept where iopl() was activated in an #else branch that was inplace before
  r1638.
- Make printing the image file's size in flashrom.c platform independent.

Bonus: remove definitions of off64_t and lseek64 which are not necessary
anymore for about 1000 commits.

Thanks to SJ for reporting the issue and testing the solution.

Corresponding to flashrom svn r1648.
Signed-off-by: default avatarStefan Tauner <stefan.tauner@alumni.tuwien.ac.at>
Acked-by: default avatarStefan Tauner <stefan.tauner@alumni.tuwien.ac.at>
      e038e908
  33. 02 Feb, 2013 1 commit
  35. 15 Jan, 2013 1 commit
  37. 08 Jan, 2013 1 commit
  39. 05 Jan, 2013 1 commit
  41. 04 Jan, 2013 2 commits
  43. 03 Jan, 2013 1 commit
  45. 01 Jan, 2013 1 commit
  47. 30 Dec, 2012 1 commit
  49. 29 Dec, 2012 5 commits
    • Peter Lemenkov's avatar
      Simplify hwaccess.c · 6282966c
      Peter Lemenkov authored 
      
Previously the code was focused on architectures which led to lots of
duplicate code and spread the information regarding differences between
the architectures accross the file.

With this patch there is a single function header for any function and the
differentiation between architectures (and OS where needed) happens
in one place for each function. Also, this patch adds simple defines to bundle
often used arch and os checks. A central check for unknown architectures
and OSes has been added on top.

Corresponding to flashrom svn r1638.
Signed-off-by: default avatarPeter Lemenkov <lemenkov@gmail.com>
Signed-off-by: default avatarStefan Tauner <stefan.tauner@alumni.tuwien.ac.at>
Acked-by: default avatarStefan Tauner <stefan.tauner@alumni.tuwien.ac.at>
      6282966c
    • Stefan Tauner's avatar
      Add support for Atmel's AT25F series of SPI flash chips · 57794ac1
      Stefan Tauner authored 
      
This adds support for the following chips:
 - AT25F512, AT25F512A, AT25F512B
 - AT25F1024, AT25F1024A
 - AT25F2048
 - AT25F4096

Besides the definitions of the the chips in flashchips.c this includes
- a dedicated probing method (probe_spi_at25f)
- pretty printing methods (spi_prettyprint_status_register_at25f*), and
- unlocking methods (spi_disable_blockprotect_at25f*)

Corresponding to flashrom svn r1637.
Signed-off-by: default avatarStefan Tauner <stefan.tauner@alumni.tuwien.ac.at>
Acked-by: default avatarStefan Tauner <stefan.tauner@alumni.tuwien.ac.at>
      57794ac1
    • Stefan Tauner's avatar
      Add support for Intel S33 series flash chips · 54aaa4ae
      Stefan Tauner authored 
      
This includes:
Bottom boot block:
* 16Mb/2MB:
  QB25F160S33B8, QB25F016S33B8, QH25F160S33B8, QH25F016S33B8
* 32Mb/4MB:
  QB25F320S33B8, QH25F320S33B8
* 64Mb/8MB:
  QB25F640S33B8, QH25F640S33B8

Top boot block:
* 16Mb/2MB:
  QB25F160S33T8, QB25F016S33T8, QH25F160S33T8, QH25F016S33T8
* 32Mb/4MB:
  QB25F320S33T8, QH25F320S33T8
* 64Mb/8MB:
  QB25F640S33T8, QH25F640S33T8

At least some seem to be marketed by other vendors (too?) but also with
Intel's vendor ID.

Besides a 0xC7 chip erase and a 0xD8 uniform 64kB block erase they
support also erasing the top/bottom 8 8kB blocks with opcode 0x40.
But since this command fails for all addresses outside those ranges,
it is not easily implemented with flashrom's current code base and
hence left out.

Corresponding to flashrom svn r1636.
Signed-off-by: default avatarStefan Tauner <stefan.tauner@alumni.tuwien.ac.at>
Acked-by: default avatarStefan Tauner <stefan.tauner@alumni.tuwien.ac.at>
      54aaa4ae
    • Stefan Tauner's avatar
      Add a generic SPI block unprotect function · 9530a022
      Stefan Tauner authored 
      
This does not only remove a huge pile of duplicate code, it does
also fix a bug in spi_disable_blockprotect_at25df(), which is also
a good example why duplicated code is a bad idea.

Corresponding to flashrom svn r1635.
Signed-off-by: default avatarStefan Tauner <stefan.tauner@alumni.tuwien.ac.at>
Acked-by: default avatarStefan Tauner <stefan.tauner@alumni.tuwien.ac.at>
      9530a022
    • Stefan Tauner's avatar
      Improve SPI status register pretty printing · 6ee37e28
      Stefan Tauner authored 
      
 - Move all functions related to SPI status registers to a new file
   spi25_statusreg.c. This includes the generic as well as the
   SST-specific functions from spi25.c and the chip-specific functions
   from a25.c and at25.c.
 - introduce helper functions
    * spi_prettyprint_status_register_hex()
    * spi_prettyprint_status_register_bpl()
    * spi_prettyprint_status_register_plain()
   Use the latter on every compatible flash chip that has no better printlock
   function set and get rid of the implicit pretty printing in the SPI probing
   functions.
 - remove
    * spi_prettyprint_status_register_common()
    * spi_prettyprint_status_register_amic_a25lq032() because it can be fully
      substituted with spi_prettyprint_status_register_amic_a25l032().
    * spi_prettyprint_status_register() (old switch, no longer needed)
 - promote and export
    * spi_prettyprint_status_register_amic_a25l05p() as spi_prettyprint_status_register_default_bp1().
    * spi_prettyprint_status_register_amic_a25l40p() as spi_prettyprint_status_register_default_bp2().
    * spi_prettyprint_status_register_st_m25p() as spi_prettyprint_status_register_default_bp3().
 - add #define TEST_BAD_REW and use it for a number of Atmel chips which
   had only TEST_BAD_READ set even though they dont have erasers or a write
   function set.

Corresponding to flashrom svn r1634.
Signed-off-by: default avatarStefan Tauner <stefan.tauner@alumni.tuwien.ac.at>
Acked-by: default avatarStefan Tauner <stefan.tauner@alumni.tuwien.ac.at>
      6ee37e28

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