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Huge thanks to Michael Karcher for reverse engineering the MCP67 chipset and writing a spec. Due to this, we were able to use the chinese wall technique for 100% clean room reverse engineering. This patch doesn't touch any of the new registers, it only reads them. Assuming that read has no side effects, this patch is a no-op and safe. We need "flashrom -V" output from all post-MCP55 (nForce 5) chipset boards. Please indicate if your board uses SPI flash or LPC flash (if you know it). Note: That output is only helpful if it is created with patched flashrom and if is from the first run of flashrom after a cold boot (reset or Ctrl-Alt-Del is not sufficient). There is a pattern based on which we can probably detect which flash type is present on the board. Thanks to Alessandro Polverini for testing earlier iterations of this patch. Note: The MCP67 should work. I guessed that the other recent Nvidia chipsets would work in a similar way, and created a simplified do-nothing catchall chipset enable function which dumps some info and instructs the user to send more info. Corresponding to flashrom svn r902. Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net> Acked-by: Michael Karcher <flashrom@mkarcher.dialup.fu-berlin.de>
------------------------------------------------------------------------------- flashrom README ------------------------------------------------------------------------------- flashrom is a utility for detecting, reading, writing, verifying and erasing flash chips. It is often used to flash BIOS/EFI/coreboot/firmware images in-system using a supported mainboard, but it also supports flashing of network cards (NICs), SATA controller cards, and other external devices which can program flash chips. 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. Please see the flashrom(8) manpage. Packaging --------- To package flashrom and remove dependencies on subversion, either use make export or make tarball make export will export all flashrom files from the subversion repository at revision BASE into a directory named $EXPORTDIR/flashrom-$VERSION-r$SVNREVISION and will additionally modify the Makefile in that directory to contain the svn revision of the exported tree. make tarball will simply tar up the result of make export and gzip compress it. The snapshot tarballs are the result of make tarball and require no further processing. Build Instructions ------------------ To build flashrom you need to install the following packages or ports: Linux et al: * pciutils / libpci * pciutils-devel / pciutils-dev / libpci-dev * zlib-devel / zlib1g-dev (only needed if libpci is static) On FreeBSD, you need the following ports: * devel/gmake * devel/libpci To compile on Linux, use: make To compile on FreeBSD, use: gmake To compile on Nexenta, use: make To compile on Solaris, use: gmake LDFLAGS="-L$pathtolibpci" CC="gcc -I$pathtopciheaders" CFLAGS=-O2 To compile on NetBSD or DragonFly BSD, use: ln -s /usr/pkg/include/pciutils pci gmake CFLAGS=-I. LDFLAGS="-L/usr/pkg/lib -Wl,-rpath-link,/usr/pkg/lib" To compile and run on Darwin/Mac OS X: Install DirectIO from coresystems GmbH. DirectIO is available at http://www.coresystems.de/en/directio. Installation ------------ In order to install flashrom and the manpage into /usr/local, type: make install For installation in a different directory use DESTDIR, e.g. like this: make DESTDIR=/usr install If you have insufficient permissions for the destination directory, use sudo by adding sudo in front of the commands above. Contact ------- The official flashrom website is: http://www.flashrom.org/ The IRC channel is #flashrom at irc.freenode.net The Mailing list addess is flashrom@flashrom.org