Difference between revisions of "X201/Coreboot"
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=== Raspberry PI === | === Raspberry PI === | ||
| − | https://www.flashrom.org/RaspberryPi | + | * https://www.flashrom.org/RaspberryPi |
| − | https://www.raspberrypi.org/documentation/usage/gpio/ | + | * https://www.raspberrypi.org/documentation/usage/gpio/ |
Here's how to connect the Raspberry pi GPIO to the chip. | Here's how to connect the Raspberry pi GPIO to the chip. | ||
| Line 23: | Line 23: | ||
</pre> | </pre> | ||
| − | The Raspberry PI might not be able to provide enough power for the chip. Find a different 3.3v source, provide PSU-power to the laptop | + | The Raspberry PI might not be able to provide enough power for the chip. Find a different 3.3v source, provide PSU-power to the laptop, desolder the chip or improvise. |
| + | |||
| + | You can read the flash via (asuming you have the MX25L6445): | ||
| + | |||
| + | <pre> | ||
| + | ./flashrom -p linux_spi:dev=/dev/spidev0.0 -c "MX25L6436E/MX25L6445E/MX25L6465E/MX25L6473E" -r x201-flash.bin | ||
| + | </pre> | ||
| + | |||
| + | Do this twice and compare files to check for read errors. | ||
== Issues == | == Issues == | ||
Revision as of 21:40, 17 March 2016
Page on getting coreboot installed on the X201
Flashrom
U can use flashrom to backup and write your flash.
flashrom download: https://www.flashrom.org/Downloads
Raspberry PI
Here's how to connect the Raspberry pi GPIO to the chip.
=== front (display) ====
3.3V (pin 17) N/C (S)CLK/SCK (pin 23) MOSI (pin 19)
| | | |
dot | | | |
CS (pin 24) MISO (pin 21) N/C ground (pin 25)
=== back (touchpad) ===
The Raspberry PI might not be able to provide enough power for the chip. Find a different 3.3v source, provide PSU-power to the laptop, desolder the chip or improvise.
You can read the flash via (asuming you have the MX25L6445):
./flashrom -p linux_spi:dev=/dev/spidev0.0 -c "MX25L6436E/MX25L6445E/MX25L6465E/MX25L6473E" -r x201-flash.bin
Do this twice and compare files to check for read errors.
Issues
- as per 2016-03-15 the last working coreboot version was: a3e41c089602c58409e8dfd4aceecbdd7d4f4a5b
Files
- Datasheet of flashchip: 25L6445E
