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mb/lenovo/x200: Add ThinkPad X301 as a variant

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It is similar to X200s, with U-series CPU, slightly different gpio
setup, no docking support, and no superio chip.

Tested:
    - CPU Core 2 Duo U9400
    - Slotted DIMM 4GiB*2 from samsung
    - Camera
    - pci-e slots
    - sata and usb2
    - libgfxinit-based graphic init
    - NVRAM options for North and South bridges
    - Sound
    - Thinkpad EC
    - S3
    - Linux 4.19.67-2 within Debian GNU/Linux stable, loaded from
      Linux payload (Heads) and Seabios.

TODO: repurpose and/or rename flag H8_DOCK_EARLY_INIT (introduced in
      CB:4294 ) for h8-using devices without a dock.

Change-Id: Ic6a6059ccf15dd2e43ed4fc490c1d3c36aa1e817
Signed-off-by: Bill XIE <persmule@hardenedlinux.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/36093
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
This commit is contained in:
Bill XIE
2019-10-16 23:22:10 +08:00
committed by Arthur Heymans
parent 40377c7250
commit 96ae7a3a2d
18 changed files with 325 additions and 36 deletions
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4
Documentation/mainboard/index.md
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@@ -72,6 +72,10 @@ The boards in this section are not real mainboards, but emulators.
- [T410](lenovo/t410.md)
### GM45 series
- [X301](lenovo/x301.md)
### Sandy Bridge series
- [T420](lenovo/t420.md)