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Diffstat (limited to 'Documentation/mainboard')
| -rw-r--r-- | Documentation/mainboard/index.md | 1 | ||||
| -rw-r--r-- | Documentation/mainboard/lenovo/r60.md | 44 | ||||
| -rw-r--r-- | Documentation/mainboard/lenovo/r60_chip.jpg | bin | 0 -> 70098 bytes |
3 files changed, 45 insertions, 0 deletions
diff --git a/Documentation/mainboard/index.md b/Documentation/mainboard/index.md index 2aa276361e..4c9d08cc97 100644 --- a/Documentation/mainboard/index.md +++ b/Documentation/mainboard/index.md @@ -65,6 +65,7 @@ The boards in this section are not real mainboards, but emulators. - [Mainboard codenames](lenovo/codenames.md) - [Hardware Maintenance Manual of ThinkPads](lenovo/thinkpad_hmm.md) +- [R60](lenovo/r60.md) - [T4xx common](lenovo/t4xx_series.md) - [X2xx common](lenovo/x2xx_series.md) diff --git a/Documentation/mainboard/lenovo/r60.md b/Documentation/mainboard/lenovo/r60.md new file mode 100644 index 0000000000..91854fbfb6 --- /dev/null +++ b/Documentation/mainboard/lenovo/r60.md @@ -0,0 +1,44 @@ +# Lenovo Thinkpad R60 + +Untested on boards with external Radeon graphics adapter. If you have such +board, proceed at your own risk and document if it does work. + +## Flashing instructions + +### External flashing + +The flash IC is located at the bottom center of the mainboard. Access to +the flash chip is blocked by the magnesium frame, so you need to disassemble +the entire laptop and remove the mainboard. The flash chip is referenced as U49 in +the schematics and in the boardview. + + + +To disassemble the laptop, follow the [Hardware Maintenance Manual](https://thinkpads.com/support/hmm/hmm_pdf/42x3749_02.pdf). + +### Internal flashing on Vendor BIOS + +This [method](https://gist.github.com/ArthurHeymans/c5ef494ada01af372735f237f6c6adbe) describes a way to install coreboot with vendor firmware still +installed on the Lenovo Thinkpad X60. It is reported to also work in Thinkpad +R60, with the only difference being the board target you build coreboot for. + +### Flashing on coreboot + +Default configuration of coreboot doesn't feature any flash restrictions +like the vendor firmware, therefore flashrom is able to flash any rom without problems. + +## Things tested and working in Linux 5.3: + +- Intel WiFi card +- Suspend and resume +- Native graphics initialization. Both legacy VGA and linear framebuffer work +- GRUB2 2.04 and SeaBIOS 1.12.1 payloads +- Reflashing with flashrom (use flashrom-git as of 17.09.2019) +- 2G+1G memory configuration working +- 2504 dock USB ports if not hotplugged + +## Things tested and not working: + +- 2504 dock hotplugging +- Black bar at the left side of the screen. Doesn't appear in Linux. See picture at top +- Sometimes it takes several second to run coreboot. Just wait for it diff --git a/Documentation/mainboard/lenovo/r60_chip.jpg b/Documentation/mainboard/lenovo/r60_chip.jpg Binary files differnew file mode 100644 index 0000000000..94d26a1001 --- /dev/null +++ b/Documentation/mainboard/lenovo/r60_chip.jpg |
