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@ -243,7 +243,7 @@ read existing BIOS and transfer it to build machine
1) Read upper bios chip (4MB) 1) Read upper bios chip (4MB)
``` ```
pi@raspberrypi:~ $ flashrom -p linux_spi:dev=/dev/spidev0.0,spispeed=1000 -c "MX25L3205D/MX25L3208D" -r x230-bios-top1.bin pi@raspberrypi:~ $ flashrom -p linux_spi:dev=/dev/spidev0.0,spispeed=1000 -c "MX25L3206E/MX25L3208E" -r x230-bios-top1.bin
flashrom p1.0-69-g3f7e341 on Linux 4.14.30-v7+ (armv7l) flashrom p1.0-69-g3f7e341 on Linux 4.14.30-v7+ (armv7l)
flashrom is free software, get the source code at https://flashrom.org flashrom is free software, get the source code at https://flashrom.org
@ -256,7 +256,7 @@ read existing BIOS and transfer it to build machine
2) Read lower bios chip (8MB) 2) Read lower bios chip (8MB)
``` ```
pi@raspberrypi:~ $ flashrom -p linux_spi:dev=/dev/spidev0.0,spispeed=1000 -r x230-bios-bottom1.bin pi@raspberrypi:~ $ flashrom -p linux_spi:dev=/dev/spidev0.0,spispeed=1000 -c "MX25L6406E/MX25L6408E" -r x230-bios-bottom1.bin
flashrom p1.0-69-g3f7e341 on Linux 4.14.30-v7+ (armv7l) flashrom p1.0-69-g3f7e341 on Linux 4.14.30-v7+ (armv7l)
flashrom is free software, get the source code at https://flashrom.org flashrom is free software, get the source code at https://flashrom.org
@ -432,7 +432,7 @@ I have moved the coreboot-ROM files to a new directory ~/ROM-ready on the raspbe
Logon to the pi and flash both chips: Logon to the pi and flash both chips:
``` ```
# write top chip (4MB) # write top chip (4MB)
pi@raspberrypi:~/ROM-ready $ sudo flashrom -p linux_spi:dev=/dev/spidev0.0,spispeed=1000 -c "MX25L3205D/MX25L3208D" -w x230-coreboot-4mb.rom pi@raspberrypi:~/ROM-ready $ sudo flashrom -p linux_spi:dev=/dev/spidev0.0,spispeed=1000 -c "MX25L3206E/MX25L3208E" -w x230-coreboot-4mb.rom
flashrom p1.0-69-g3f7e341 on Linux 4.14.30-v7+ (armv7l) flashrom p1.0-69-g3f7e341 on Linux 4.14.30-v7+ (armv7l)
flashrom is free software, get the source code at https://flashrom.org flashrom is free software, get the source code at https://flashrom.org
@ -443,7 +443,7 @@ Erasing and writing flash chip... Erase/write done.
Verifying flash... VERIFIED. Verifying flash... VERIFIED.
# write bottom chip (8MB) # write bottom chip (8MB)
pi@raspberrypi:~/ROM-ready $ sudo flashrom -p linux_spi:dev=/dev/spidev0.0,spispeed=1000 -w x230-coreboot-8mb.rom pi@raspberrypi:~/ROM-ready $ sudo flashrom -p linux_spi:dev=/dev/spidev0.0,spispeed=1000 -c "MX25L6406E/MX25L6408E" -w x230-coreboot-8mb.rom
flashrom p1.0-69-g3f7e341 on Linux 4.14.30-v7+ (armv7l) flashrom p1.0-69-g3f7e341 on Linux 4.14.30-v7+ (armv7l)
flashrom is free software, get the source code at https://flashrom.org flashrom is free software, get the source code at https://flashrom.org
@ -459,77 +459,6 @@ now it is time to cross fingers and try if you was able to flash coreboot.
Remove the Pomodo-Clip, put your keyboard back, put your battery in and power on. Remove the Pomodo-Clip, put your keyboard back, put your battery in and power on.
In case you run into any problems, you can always reflash your stock rom. In case you run into any problems, you can always reflash your stock rom.
If you have comments or need help, feel free to contact the contributors of this howto:
- https://github.com/one7two99
## From my older notes (FIXME!) - ...
(this needs to be rewritten/updated to the above procedure)
--- on your raspberry pi ---
0) Put External Flash Clip, female jumper cables and Raspberry pi together
(kind of a lego thing)
1) Install Raspberian on Pi using Noobs
2) Update Pi and install additional packages including 'flashrom'
3) take keyboard and palmrest of your "coreboot target laptop" (target) off
to access the BIOS Chip(s)
4) Connect the BIOS-Clip to BIOS-chips and read the content from your pi
(x230-default-part2-4mb.rom / x230-default-part2-8mb.rom)
5) merge the two files into one 12 MB ROM file
(x230-default-12mb.rom)
--- on your build laptop ---
6) Copy all three files to your "build laptop" (laptop)
Build Laptop must run Linux, this howto assumes you are using Ubuntu 16.04.3 LTS
(could also be installed on an USB thumbdrive or external harddrive)
7) Download Coreboot from GIT
7) Install UEFITool on laptop
8) Extract VGA BLOB from the x230-default-12mb.rom file
save the file in the coreboot/blobs directory
(./coreboot/3rdparty/blobs/mainboard/lenovo/x230/pci8086,0166.rom)
9) Build Coreboot Toolchain
10) Compile ifdtool located in the coreboot/utils directory
11) Extract BLOBS from x230-default-12mb.rom using ifdtool
save the files in the coreboot/blobs directory
(./coreboot/3rdparty/blobs/mainboard/lenovo/x230/descriptor.bin)
(./coreboot/3rdparty/blobs/mainboard/lenovo/x230/me.bin)
(./coreboot/3rdparty/blobs/mainboard/lenovo/x230/gbe.bin)
11b) [Optionally] Use ME_Cleaner on me.bin file )
(also it seems that ME_Cleaner is included in Coreboot:
Coreboot nconfig:
Chipset > Add Intel descriptor.bin file > Add Intel ME/TXE firmware
--> Strip down the Intel ME/TXE firmware )
I've choosen to leave the me.bin as is until everything is working.
12) Configure Coreboot (make nconfig)
choose parameters/features and add the 4 binary blobs (step 8 and 11)
13) build coreboot image
(./coreboot/build/coreboot.rom)
14) Split coreboot.rom into two separate files to flash them to your 2 chips
(x230-coreboot-8mb.rom and x230-coreboot-4mb.rom)
15) copy both files to your Raspberry Pi
--- on your Raspberry pi ---
16) flash both files using flashrom again
17) Reboot target laptop
18) should boot up with coreboot.