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Enable dGPU power handling on Lenovo ThinkPad T430, T530 via PMH7
register 0x50.
Although there's no Thinker-1 chip on these models according to
schematics, dGPU power control via PMH7 works the same as on T420/T520,
so they can be considered Thinker-1-compatible.
It can be tested from linux userspace using util/pmh7tool.
To turn dGPU power off:
pmh7tool -c 0x50 7
pmh7tool -c 0x50 3
To turn it on:
pmh7tool -s 0x50 3
pmh7tool -s 0x50 7
To check whether it is on (bash):
reg=0x$(pmh7tool -r 0x50)
echo "$(( (( reg & 0x08 )) >> 3 ))"
or just `pmh7tool -b 0x50 3` with
https://review.coreboot.org/#/c/coreboot/+/28388/
Tested on ThinkPad W530.
Change-Id: Ieab1a33b3c680c757cc0999660b5cb7e122474cc
Signed-off-by: Evgeny Zinoviev <me@ch1p.com>
Reviewed-on: https://review.coreboot.org/28392
Reviewed-by: Patrick Rudolph <siro@das-labor.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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Add support for WWAN detection on SNB/IVB boards that have
schematics or are available for testing.
Tested on Lenovo T430.
Change-Id: Ie96b2593971d49703eb747ab19f512be890d9c12
Signed-off-by: Patrick Rudolph <siro@das-labor.org>
Reviewed-on: https://review.coreboot.org/20984
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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Change-Id: I630d49ab504d9f6e052806b516a600fa41b9a8da
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/26991
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
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Tested and working:
- Wi-Fi
- Ethernet
- WWAN ? (interface is created in linux, didn't actually test it, should work)
- Bluetooth
- Speakers
- Internal mic
- SD card reader
- Suspend and resume
- Keyboard, touchpad, trackpoint
- Fan
- Webcam
- 4 RAM slots
- All USB ports
- mSATA
- VGA ROM (FIXME: black screen after resume from s3)
- Native graphics initialization (FIXME: probably incorrect panel frequency, etc. in GRUB; in linux everything's fine incl. resume from s3)
- libgfxinit
- GRUB payload
- SeaBIOS payload
- Internal flashing using flashrom
Not tested yet:
- Fingerprint reader
- Colorimeter
- Smart card reader
- Docking station
- VGA output
- Optical disc drive
- Discrete graphics
TODO:
- Test BDC detection
Change-Id: Ic7918ea18712221cc62c5564caede340f71ce400
Signed-off-by: Evgeny Zinoviev <me@ch1p.com>
Reviewed-on: https://review.coreboot.org/26136
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Rudolph <siro@das-labor.org>
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