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Erase functions are no longer called from chip drivers and thus their
internal erase verification can be moved to generic code. This also
makes it easier to skip the verify step if desired and to differentiate
between failed command submission and failed erase verification.

Corresponding to flashrom svn r1353.
Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at>

This patch attempts to resolve some programmer shutdown ordering issues
by having the programmer init functions register shutdown callbacks explicitly
wherever it makes most sense. Before, assumptions were made that could lead to
the internal programmer's state changing before the external programmer could be
shut down properly. Now, each programmer cleans up after itself and (hopefully)
performs each operation in the correct order.

As a side-effect, this patch gives us a better usage model for reverse
operations such as rpci_* and rmmio_*. In the long-run, this should make
reversing the initialization process easier to understand, less tedious, and
less error-prone.

In short, this patch does the following:
- Registers a shutdown callback during initialization for each programmer.
- Kills the .shutdown function pointer from programmer_entry struct. Also,
  make most shutdown functions static.
- Adds a few minor clean-ups and corrections (e.g. missi...

- mark AT25DF321 as fully tested
  http://www.flashrom.org/pipermail/flashrom/attachments/20110527/01f1868b/attachment-0001.log
- mark 82802AB as fully tested
  http://www.flashrom.org/pipermail/flashrom/2011-April/006145.html
- mark Pm49FL002 as fully tested
  http://pastebin.com/pb5NTCmW

- add Supermicro X8DT3 to boards_known
  http://www.flashrom.org/pipermail/flashrom/attachments/20110527/01f1868b/attachment-0001.log
- add Supermicro X5DP8-G2 to boards_known
  http://www.flashrom.org/pipermail/flashrom/2011-April/006145.html

- add Supermicro X8SIE as NOT WORKING to boards_known
  http://www.flashrom.org/pipermail/flashrom/2011-May/006554.html
- add a DMI search pattern for the ASUS A8N-SLI Deluxe board enable to mitigate misdetections
  http://www.flashrom.org/pipermail/flashrom/2010-August/004379.html
  http://www.flashrom.org/pipermail/flashrom/2011-May/006570.html

also, fix some random white space errors and com...

Corresponding to flashrom svn r1323.
Signed-off-by: Steven Zakulec <spzakulec@gmail.com>
Acked-by: Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at>
Acked-by: Peter Stuge <peter@stuge.se>

- missing spaces in code and output
- improved documentation/naming/output
- missing line breaks in spi probing functions

Corresponding to flashrom svn r1321.
Signed-off-by: Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at>
Acked-by: Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at>

This patch combines three previously posted patches in a revised form.
one is even stolen from Stefan Reinauer (remove umlauts from man page).

Corresponding to flashrom svn r1317.
Signed-off-by: Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at>
Signed-off-by: Stefan Reinauer <reinauer@google.com>
Acked-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at>

This moves 99.5% of the .data section to .rodata (which ends up in .text).

Corresponding to flashrom svn r1293.
Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Stefan Reinauer <stefan.reinauer@coreboot.org>

This patch reduces the stack usage by declaring 'const' stack variables
as 'static const' so they end up in the .rodata section instead of being
copied from there to the stack for every invocation of the corresponding
function.

As a plus we end up in having a smaller binary as the "copy from .rodata
to stack" code isn't emitted by the compiler any more (roughly -100
bytes).

Corresponding to flashrom svn r1252.
Signed-off-by: Mathias Krause <mathias.krause@secunet.com>
Acked-by: Stefan Reinauer <stepan@coreboot.org>

Add a generic voltage parameter parser.
Move tolower_string() from dummyflasher.c to flashrom.c to make it
available everywhere.

Corresponding to flashrom svn r1226.
Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Stefan Reinauer <stepan@coreboot.org>

You have to choose between
- no emulation
- ST M25P10.RES SPI flash chip (RES, page write)
- SST SST25VF040.REMS SPI flash chip (REMS, byte write)
- SST SST25VF032B SPI flash chip (RDID, AAI write)
Example usage: flashrom -p dummy:emulate=SST25VF032B

Flash image persistence is available as well.
Example usage: flashrom -p dummy:image=dummy_simulator.rom

Allow setting the max chunksize for page write with the dummy
programmer.
Example usage: flashrom -p dummy:spi_write_256_chunksize=5

Flash emulation is compiled in by default. 

This code helped me find and fix various bugs in the SPI write code
as well as in the testsuite.

Corresponding to flashrom svn r1220.
Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: David Hendricks <dhendrix@google.com>

Previous probes might have had too short delays for entering ID mode,
so the chip may still be in the process of entering the ID mode. Due to
that, an additional delay before the reset makes sense.
Add FEATURE_RESET_MASK to deal cleanly with those feature bits.

Maciej Pijanka tested the patch and it fixes probing for him with some
old Atmel chips.

Corresponding to flashrom svn r1216.
Signed-off-by: Sean Nelson <audiohacked@gmail.com>
Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Anders Juel Jensen <andersjjensen@gmail.com>
Tested-by: Maciej Pijanka <maciej.pijanka@gmail.com>
Acked-by: Sean Nelson <audiohacked@gmail.com> 

This will allow flashrom to skip erase of already-erased blocks and to
skip write of blocks which already have the wanted contents.

Avoid emergency messages by checking if the chip contents after a failed
write operation (erase/write) are unchanged.

Keep the emergency messages after a failed pure erase. That part is
debatable because if someone wants erase, he pretty sure doesn't care
about the flash contents anymore.

Please note that this introduces additional overhead of a full chip read
before write. This is frowned upon by people with slow programmers. A
followup patch will make this configurable.

Corresponding to flashrom svn r1215.
Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Stefan Reinauer <stepan@coreboot.org>

The inner write functions which handle partial write are renamed to the
original name of their wrappers. The write wrappers are removed.

Corresponding to flashrom svn r1211.
Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Tested-by: Maciej Pijanka <maciej.pijanka@gmail.com>
Tested-by: Andrew Morgan <ziltro@ziltro.com>
Tested-by: Idwer Vollering <vidwer@gmail.com>
Acked-by: Idwer Vollering <vidwer@gmail.com>
Tested-by: Sean Nelson <audiohacked@gmail.com> 
Acked-by: Sean Nelson <audiohacked@gmail.com> 

SPI write status register (WRSR) may take longer than 100 ms, and it
makes sense to poll for completion in 10 ms steps until 5 s are over.
This patch complements r1115.

Corresponding to flashrom svn r1201.
Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Joshua Roys <roysjosh@gmail.com>

Flashrom -L output did not contain a list of programmers nor were
all programmers listed. Fix it and mention at least the name of each
programmer. Wiki output is unchanged, and will need separate fixups.

Corresponding to flashrom svn r1199.
Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Uwe Hermann <uwe@hermann-uwe.de>

Corresponding to flashrom svn r1181.

Change the physmap* behaviour to use (void*)-1 as error code instead
of NULL. That way, 1:1 mapped memory can be supported properly
because (void*)0 is not a magic pointer anymore.
(void*)-1 on the other hand is a rather unlikely memory offset, so that
should be safe.
Signed-off-by: Patrick Georgi <patrick.georgi@coresystems.de>
Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>

Add support for Atmel AT25DF081A and AT25DQ161.

Some chips require EWSR before WRSR, others require WREN before WRSR,
and some support both variants. Add feature_bits to select the correct
SPI command, and default to EWSR.

Corresponding to flashrom svn r1115.
Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Tested-by: Steven Rosario
Acked-by: Uwe Hermann <uwe@hermann-uwe.de>

Programmer specific functions are of absolutely no interest to any file
except those dealing with programmer specific actions (special SPI
commands and the generic core).

The new header structure is as follows (and yes, improvements are
possible):
flashchips.h  flash chip IDs
chipdrivers.h  chip-specific read/write/... functions
flash.h  common header for all stuff that doesn't fit elsewhere
hwaccess.h hardware access functions
programmer.h  programmer specific functions
coreboot_tables.h  header from coreboot, internal programmer only
spi.h SPI command definitions

Corresponding to flashrom svn r1112.
Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Uwe Hermann <uwe@hermann-uwe.de>

Convert all PCI-based external programmers to use special little-endian
accessors for all MMIO regions of PCI devices. This patch does _not_
touch the internal programmer (which is PCI-based as well).

Huge thanks go to Misha Manulis who worked with me to create a first
version of this patch for the satasii programmer based on modification
of generic code.

Huge thanks also go to Segher Boessenkool for suggesting the pci_mmio_
prefix for the abstraction layer.

NOTE to package maintainers: With this patch, compilation and usage of
flashrom should be safe on x86, x86_64, MIPS (little and big endian) and
PowerPC (big endian).

The internal programmer is disabled on non-x86/x86_64 (but it
compiles). The atahpt, nic3com, nicnatsemi, nicrealtek and rayer_spi
can not be compiled on non-x86/x86_64 because port space I/O is
not (yet) supported. Please compile with default settings on
x86/x86_64 and with the following settings on all other architectures:
make CONFIG_NIC3COM=no CONFIG_NICREALTEK=no CONFIG_NICNATSEMI=no
CONFIG_RAYER_SPI=no

Corresponding to flashrom svn r1111.
Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Misha Manulis <misha@manulis.com>

Broken by r1098

Corresponding to flashrom svn r1104.
Signed-off-by: Michael Karcher <flashrom@mkarcher.dialup.fu-berlin.de>
Acked-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>

Corresponding to flashrom svn r1099.
Signed-off-by: Michael Karcher <flashrom@mkarcher.dialup.fu-berlin.de>
Acked-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>

Smarter version could decide whether SPI is vital or not depending on
straps. Straps are currently implemented for ICH7. EP80579 is in the comment,
PCH of 5 Series/3400 Series has "LPC, reserved, PCI, SPI".

Corresponding to flashrom svn r1098.
Signed-off-by: Michael Karcher <flashrom@mkarcher.dialup.fu-berlin.de>
Acked-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>

To use the RayeR driver, run
flashrom -p rayer_spi -V

Known bugs/limitations:
- Won't compile/work on non-x86 architectures.
- Will always use direct port I/O access.

Log follows:

flashrom v0.9.2-r1039 on MS-DOS 7 (i686), built with libpci 3.1.5, GCC 
4.3.2, little endian
Calibrating delay loop... OK.
Initializing rayer_bitbang_spi programmer
Using port 0x378 as I/O base for parallel port access.
...
Probing for Macronix MX25L1605, 2048 KB: probe_spi_rdid_generic: id1 
0xc2, id2 0x2015
...
Found chip "Macronix MX25L1605" (2048 KB, SPI) at physical address 
0xffe00000.
...
No operations were specified.

Corresponding to flashrom svn r1093.
Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Martin Rehak <rayer@seznam.cz>
Acked-by: Michael Karcher <flashrom@mkarcher.dialup.fu-berlin.de>

Corresponding to flashrom svn r1092.
Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Michael Karcher <flashrom@mkarcher.dialup.fu-berlin.de>

Corresponding to flashrom svn r1091.
Signed-off-by: Michael Karcher <flashrom@mkarcher.dialup.fu-berlin.de>
Acked-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>

Change the SPI bitbanging core to fix a subtle bug (which had no
effect so far) and to make integration of the RayeR SPIPGM and Nvidia
MCP6x/MCP7x SPI patches easier. Kill a few global variables and require
explicit initialization of bitbanging delay.

A big to Johannes Sjölund for testing an earlier version of the code as
part of the Nvidia MCP6x/MCP7x SPI bitbanging patch.

Corresponding to flashrom svn r1085.
Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Michael Karcher <flashrom@mkarcher.dialup.fu-berlin.de>

Use this instead of the open-coding variant that only aborts after it is too late.

Corresponding to flashrom svn r1081.
Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Michael Karcher <flashrom@mkarcher.dialup.fu-berlin.de>

However, wrap the write functions in a compat layer to allow converting
the rest of flashrom later. Tested on Intel NM10 by David Hendricks.

Corresponding to flashrom svn r1080.
Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Michael Karcher <flashrom@mkarcher.dialup.fu-berlin.de>

Improve error checking in file write, chip read and chip verify.
Refactor the read routines a bit to split reading from file writing.

Log for a failed read:
[...]
Found chip "Winbond W25x16" (2048 KB, SPI) at physical address
0xffe00000.
Reading flash... Invalid OPCODE 0x03
Read operation failed!
FAILED.

Corresponding to flashrom svn r1079.
Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Stephen Kou <stephen@hyarros.com>

Autodetect the ITE IT8705 Super I/O and enable flash writes if it
performs LPC->Parallel translation. Remove board enables which triggered
the IT8705 write enable manually. Change the IT87 SPI special case to
cover IT87 LPC->SPI and LPC->Parallel translation.

Corresponding to flashrom svn r1073.
Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>

Tested on Syntax SV266A.
Acked-by: Paul Menzel <paulepanter@users.sourceforge.net>

Tested on Shuttle AK38N, all operations work fine.
Acked-by: Uwe Hermann <uwe@hermann-uwe.de>

Make programmer_param static by converting all users to extract_programmer_param.
Programmer parameters can no longer be separated with a
colon, they have to be separated with a comma.

Corresponding to flashrom svn r1072.
Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Michael Karcher <flashrom@mkarcher.dialup.fu-berlin.de>

This led to wildly differing syntax for programmer parameters, and
it also voids pretty much every assumption you could make about
programmer_param. The latter is a problem for libflashrom.

Use extract_param everywhere, clean up related code and make it more
foolproof. Add two instances of exit(1) where we have no option to
return an error. Remove six instances of exit(1) where returning an
error was possible.

WARNING: This changes programmer parameter syntax for a few programmers!

Corresponding to flashrom svn r1070.
Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Michael Karcher <flashrom@mkarcher.dialup.fu-berlin.de>

If a programmer has untested or non-working write/erase code, but
probing/reading works, it makes sense to protect the user against
write/erase accidents. This feature will be used by the Nvidia MCP SPI
code, and it also might make sense for the gfxnvidia driver which has
non-working write/erase.

Corresponding to flashrom svn r1069.
Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Michael Karcher <flashrom@mkarcher.dialup.fu-berlin.de>

Constify variables where possible.
Initialize programmer-related variables explicitly in programmer_init to
allow running programmer_init from a clean state after
programmer_shutdown.
Prohibit registering programmer shutdown functions before init or after
shutdown.
Kill some dead code.
Rename global variables with namespace-polluting names.
Use a previously unused locking helper function in sst49lfxxxc.c.

This is needed for libflashrom.

Effects on the binary size of flashrom are minimal (300 bytes
shrinkage), but the data section shrinks by 4384 bytes, and that's a
good thing if flashrom is operating in constrained envionments.

Corresponding to flashrom svn r1068.
Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Michael Karcher <flashrom@mkarcher.dialup.fu-berlin.de>

This allows using the dummy flasher for SPI read debugging.

Corresponding to flashrom svn r1053.
Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Sean Nelson <audiohacked@gmail.com>

Some instability remains, but that may be due to hardware problems in
the specific card (Netgear FA311) used for testing.

Corresponding to flashrom svn r1039.
Signed-off-by: Andrew Morgan <ziltro@ziltro.com>
Acked-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>

Every board-enable function is passed a 'const char *name' (board name)
which is totally useless as the board name was already printed by flashrom
at that point. Also, 95% or so of the board-enables don't use the
parameter anyway. So, drop it.

Corresponding to flashrom svn r1037.
Signed-off-by: Uwe Hermann <uwe@hermann-uwe.de>
Acked-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>

The logic was incorrect in one place which had && instead of ||. Move
the board info #define B to the file where it is used.

Corresponding to flashrom svn r1035.
Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Uwe Hermann <uwe@hermann-uwe.de>

Since we don't support any other compilers right now, enable that
extension unconditionally.

Fix the bugs found by format string checking.

Corresponding to flashrom svn r1032.
Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Sean Nelson <audiohacked@gmail.com>

The internal programmer needs correct information about flash_base and
chip window top/bottom alignment on non-x86 before it can be used. Abort
any internal programmer action for now until the code is fixed.

Add the concept of a processor enable for systems where flashing is
impacted by processor settings or processor model.

Corresponding to flashrom svn r1031.
Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Uwe Hermann <uwe@hermann-uwe.de>