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authorMatt DeVillier <matt.devillier@gmail.com>2018-12-31 15:07:42 -0600
committerNico Huber <nico.h@gmx.de>2019-01-08 22:36:21 +0000
commiteaea9c987ccb00a60f8ca4c4332deb72c3761a70 (patch)
tree463d5a17c8616e3ed36564a98b2eacd1cab93932
parente55e61f88929cc51950817c5769993c7a7e5d9df (diff)
downloadcoreboot-eaea9c987ccb00a60f8ca4c4332deb72c3761a70.tar.xz
samsung/lumpy: add cpu/gpu pwm backlight register values
Required for functional internal display on lumpy using libgfxinit or Tianocore GOP driver Test: boot/build lumpy, verify internal display functional prior to OS driver loading. Change-Id: If62a4ae58082548e8a645d1a2de40705bdd2946e Signed-off-by: Matt DeVillier <matt.devillier@gmail.com> Reviewed-on: https://review.coreboot.org/c/30566 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Nico Huber <nico.h@gmx.de>
-rw-r--r--src/mainboard/samsung/lumpy/devicetree.cb4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/mainboard/samsung/lumpy/devicetree.cb b/src/mainboard/samsung/lumpy/devicetree.cb
index 0362b2c6cd..b34d024d4d 100644
--- a/src/mainboard/samsung/lumpy/devicetree.cb
+++ b/src/mainboard/samsung/lumpy/devicetree.cb
@@ -14,6 +14,10 @@ chip northbridge/intel/sandybridge
register "gpu_panel_power_backlight_on_delay" = "2100" # T5: 210ms
register "gpu_panel_power_backlight_off_delay" = "2100" # TD: 210ms
+ # Set backlight PWM values
+ register "gpu_cpu_backlight" = "0x000001e8"
+ register "gpu_pch_backlight" = "0x03d00000"
+
register "max_mem_clock_mhz" = "666"
device cpu_cluster 0 on