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Corresponding to flashrom svn r364 and coreboot v2 svn r3805.
Signed-off-by: FENG yu ning <fengyuning1984@gmail.com>
Acked-by: Stefan Reinauer <stepan@coresystems.de>

Currently flashrom assumes every vendor BIOS shares our view about which
SPI opcodes should be placed in which location.

Move to a less optimistic implementation and actually use the generic
SPI read functions. They're useful for abstracting exactly this stuff
and that makes them the preferred choice.

Corresponding to flashrom svn r346 and coreboot v2 svn r3758.
Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Stefan Reinauer <stepan@coresystems.de>

Not all chips support all commands, so allow the implementer to select
the matching function. Fix a layering violation in ICH SPI code to be
less bad. Still not perfect, but the new code is shorter, more generic
and architecturally more sound.

TODO (in a separate patch): - move the generic sector erase code to
spi.c - decide which erase command to use based on info about the chip -
create a generic spi_erase_all_sectors function which calls the generic
sector erase function

Thanks to Stefan for reviewing and commenting.

Corresponding to flashrom svn r337 and coreboot v2 svn r3722.
Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Stefan Reinauer <stepan@coresystems.de>

This is slightly slower (ha, ha), but works on boards with a locked
opmenu. Tested on ICH7 and works.

Corresponding to flashrom svn r336 and coreboot v2 svn r3721.
Signed-off-by: Stefan Reinauer <stepan@coresystems.de>
Acked-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>

Corresponding to flashrom svn r326 and coreboot v2 svn r3669.
Signed-off-by: Uwe Hermann <uwe@hermann-uwe.de>
Acked-by: Uwe Hermann <uwe@hermann-uwe.de>

Corresponding to flashrom svn r301 and coreboot v2 svn r3417.
Signed-off-by: Peter Stuge <peter@stuge.se>
Acked-by: Peter Stuge <peter@stuge.se>

At some point the flash bus will be part of struct flashchip.

Pardon me for pushing this in, but I think it is important to beware of further
decay and it will improve things for other developers in the short run.

Carl-Daniel, I will consider your suggestions in another patch. I want to keep
things from getting too much for now. The patch includes Rudolf's VIA SPI
changes though.

Corresponding to flashrom svn r285 and coreboot v2 svn r3401.
Signed-off-by: Stefan Reinauer <stepan@coresystems.de>
Acked-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>

It is similar with few documented exceptions to ICH7 SPI controller.

Corresponding to flashrom svn r282 and coreboot v2 svn r3398.
Signed-off-by: Rudolf Marek <r.marek@assembler.cz>
Acked-by: Peter Stuge <peter@stuge.se>

Corresponding to flashrom svn r281 and coreboot v2 svn r3397.
Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Stefan Reinauer <stepan@coresystems.de>

r3393 assumed that ICH7 always used SPI. This patch resets ich7_detected back
to 0 when BOOT BIOS Straps indicate something else than SPI.

Also fixes a build error in ichspi.c with gcc 4.2.2.

Corresponding to flashrom svn r280 and coreboot v2 svn r3395.
Signed-off-by: Peter Stuge <peter@stuge.se>
Acked-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>

* ICH7 SPI support
* fix some variable names in ichspi.c (Offset -> offset)
* Dump ICH7 SPI bar with -V
* Improve error message in case IOPL goes wrong. (It might not even be an IOPL)

Corresponding to flashrom svn r278 and coreboot v2 svn r3393.
Signed-off-by: Stefan Reinauer <stepan@coresystems.de>
Acked-by: Peter Stuge <peter@stuge.se>

Corresponding to flashrom svn r277 and coreboot v2 svn r3392.
Signed-off-by: Stefan Reinauer <stepan@coresystems.de>
Acked-by: Stefan Reinauer <stepan@coresystems.de>

This is done by using the generic SPI interface.

Corresponding to flashrom svn r239 and coreboot v2 svn r3325.
Signed-off-by: Dominik Geyer <dominik.geyer@kontron.com>
Acked-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>