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samus: Enable DDI2 hotplug 

Both DDI ports may be used on this board so it needs to be
able to detect a device on either port.

BUG=chrome-os-partner:28234
TEST=None (needs hardware)

Original-Change-Id: I5fc5ec3fe887fb51e7bdeae43c8297580e0ba6d6
Original-Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/202358
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
(cherry picked from commit 574bb6ac5d33c98f0214d6c738af24172164f4a1)
Signed-off-by: Marc Jones <marc.jones@se-eng.com>

Change-Id: I57613fcea10af0fecaf0f2ad6a83ca011c650099
Reviewed-on: http://review.coreboot.org/8046
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
This commit is contained in:
Duncan Laurie 2014-06-02 08:36:38 -07:00 committed by Marc Jones
parent 25c6f75bb2
commit 502c38f9df
1 changed files with 3 additions and 3 deletions
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6
src/mainboard/google/samus/devicetree.cb
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@ -3,12 +3,12 @@ chip soc/intel/broadwell
# Enable eDP Hotplug with 6ms pulse # Enable eDP Hotplug with 6ms pulse
register "gpu_dp_d_hotplug" = "0x06" register "gpu_dp_d_hotplug" = "0x06"
# Disable DDI2 Hotplug
register "gpu_dp_c_hotplug" = "0x00"
# Enable DDI1 Hotplug with 6ms pulse # Enable DDI1 Hotplug with 6ms pulse
register "gpu_dp_b_hotplug" = "0x06" register "gpu_dp_b_hotplug" = "0x06"
# Enable DDI2 Hotplug with 6ms pulse
register "gpu_dp_c_hotplug" = "0x06"
# Set backlight PWM values for eDP # Set backlight PWM values for eDP
register "gpu_cpu_backlight" = "0x00000200" register "gpu_cpu_backlight" = "0x00000200"
register "gpu_pch_backlight" = "0x04000000" register "gpu_pch_backlight" = "0x04000000"