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| For X60
| | I am the maintainer for the [http://libreboot.org/ libreboot project] |
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| thanks go to GNUtoo, PaulePanter, patrickg, phcoder and others, for all your help so far.
| | You can contact me on freenode IRC, with my handle 'francis7'. |
| | | (previously 'fchmmr') |
| Compile GNUtoo's fork of coreboot with:
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| - GRUB2 payload
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| - native graphics (replacement for VGA option ROM / Video BIOS / VBIOS)
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| Note: the upstream coreboot has a Kconfig option for grub2. i didn't use that. here i compiled grub2 payload manually... (upstream coreboot isn't used. we are using gnutoo's fork)
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| This version also removes the nonfree microcode.
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| I have tested this on an X60s 170237G.
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| GNUtoo uses this on an X60.
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| I hope to test it on more machines also.
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| git clone git://gitorious.org/gnutoo-for-coreboot/build-makefiles.git
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| (get the grub config, etc)
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| that is where i got the grub.cfg from.
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| rename it to grub.custom.cfg and put it in the root of the grub source code directory
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| (see below) | |
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| note: i'm not using this. i adapted my own.
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| (at the time of writing, here is my grub.cfg, renamed to grub.custom.cfg:
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| http://paste.debian.net/69573/
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| )
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| git clone git://gitorious.org/gnutoo-for-coreboot/coreboot.git
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| cd coreboot
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| git checkout 6ec9b1637b4e75de0ae4e2de258f72a7811aafbf
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| (the checkout gets gnutoo's patches to remove microcode, etc)
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| the .config (included in this post), put it in the coreboot directory.
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| I got it from here, which GNUtoo uploaded:
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| http://paste.debian.net/68794
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| Now coreboot is there, with the right config.
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| Now need to compile grub2
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| come out of coreboot:
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| cd ..
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| do that:
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| git clone git://git.savannah.gnu.org/grub.git
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| cd grub
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| ./autogen.sh
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| ./configure --with-platform=coreboot
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| make
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| Now we need to create a grub elf file as the payload:
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| note: in grub source root directory, make a grub.custom.cfg with your grub config text inside
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| do that command:
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| ./grub-mkstandalone --grub-mkimage=./grub-mkimage -O i386-coreboot -o grub2-X60.elf --modules='ahci pata ehci uhci ohci usb_keyboard usbms part_msdos xfs ext2 fat at_keyboard part_gpt usbserial_usbdebug cbfs' --install-modules='ls linux search configfile normal cbtime cbls memrw iorw minicmd lsmmap lspci halt reboot hexdump pcidump regexp setpci lsacpi chain test' --fonts= --themes= --locales= -d grub-core/ /boot/grub/grub.cfg=grub.custom.cfg
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| test grub2-X60.elf in a coreboot.rom compiled for qemu first (not covered in this guide).
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| assuming that it works, continue on...
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| ok,
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| just put grub2-X60.elf (it will be in the root of the grub source directory) in coreboot directory.
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| in make menuconfig, change the path to say grub2-X60.elf
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| then:
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| make
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| and now a coreboot.rom is in ./build/
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| if you are flashing this for the first time on a machine that has the factory bios, then using the
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| coreboot.rom just follow the wiki insturctions, especially with regards to the dd commands and the bucts commands
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| most important:
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| - cd build
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| - dd if=coreboot.rom of=top64k.bin bs=1 skip=$[$(stat -c %s coreboot.rom) - 0x10000] count=64k
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| - dd if=coreboot.rom bs=1 skip=$[$(stat -c %s coreboot.rom) - 0x20000] count=64k | hexdump
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| - dd if=top64k.bin of=coreboot.rom bs=1 seek=$[$(stat -c %s coreboot.rom) - 0x20000] count=64k conv=notrunc
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| flash the resulting coreboot.rom like you normally would.
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| (with the dd commands you should also be able to use the flashing procedure from factory BIOS, but I
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| haven't tested that. yet)
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| see below:
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| ---
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| .config (put it in root coreboot source directory) is like this:
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| download that text, save it as .config and put it in coreboot source directory
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| (you need it)
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| http://paste.debian.net/68794
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