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mirror of https://review.coreboot.org/flashrom.git synced 2025-04-27 15:12:36 +02:00
Carl-Daniel Hailfinger 03adbe1269 Refine handling of spi_write_enable() failures to fix chip erases on ichspi
Until the ICH SPI driver can handle preopcodes as standalone opcodes,
we should handle such special opcode failure gracefully on ICH and
compatible chipsets.

This fixes chip erase on almost all ICH+VIA SPI masters.

Thanks to Ali Nadalizadeh for helping track down this bug!

Corresponding to flashrom svn r484.

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>
2009-05-09 02:09:45 +00:00
2007-09-08 14:36:01 +00:00
2009-05-08 17:43:22 +00:00
2009-05-05 16:15:46 +00:00

-------------------------------------------------------------------------------
flashrom README
-------------------------------------------------------------------------------

flashrom is a utility for reading, writing, verifying and erasing flash ROM
chips. It's often used to flash BIOS/coreboot/firmware images.

It supports a wide range of DIP32, PLCC32, DIP8, SO8/SOIC8, TSOP32, and
TSOP40 chips, which use various protocols such as LPC, FWH, parallel flash,
or SPI.

(see http://coreboot.org for details on coreboot)


Build Requirements
------------------

To build flashrom you need to install the following packages or ports:

Linux et al:

 * pciutils
 * pciutils-devel / pciutils-dev / libpci-dev
 * zlib-devel / zlib1g-dev

On FreeBSD, you need the following ports:

 * devel/gmake
 * devel/libpci

To compile on Linux, use:

 make

To compile on FreeBSD, use:

 gmake

To compile on Solaris, use:

 gmake LDFLAGS="-L$pathtolibpci -lpci -lz" CC="gcc -I$pathtopciheaders" \
       CFLAGS=-O2

To compile on DragonFly BSD, use:

 ln -s /usr/pkg/include/pciutils pci
 gmake CFLAGS=-I. LDFLAGS="-L/usr/pkg/lib -lpci -lz"

To compile and run on Darwin/Mac OS X:

 Install DirectIO from coresystems GmbH.
 DirectIO is available at http://www.coresystems.de/en/directio.


Usage / Options
---------------

Please see the flashrom(8) manpage.


Exit status
-----------

Please see the flashrom(8) manpage.


coreboot Table and Mainboard Identification
--------------------------------------------

Please see the flashrom(8) manpage.


ROM Layout Support
------------------

Please see the flashrom(8) manpage.


Supported Flash Chips / Chipsets / Mainboards
---------------------------------------------

Please check the output of 'flashrom -L' for the list of supported
flash chips, chipsets/southbridges, and mainboards.

See also http://coreboot.org/Flashrom for more details.

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