From e2c4a3518ed6b0b148e55c163b4f6f2caa7b2357 Mon Sep 17 00:00:00 2001 From: Matt DeVillier Date: Thu, 10 Jan 2019 12:51:56 -0600 Subject: google/butterfly: add cpu/gpu pwm backlight register values Required for functional internal display on butterfly using libgfxinit. Test: boot/build butterfly, verify internal display functional prior to OS driver loading. Change-Id: Ib8060f2d1ad0694f0886d35c83763907f61b47b1 Signed-off-by: Matt DeVillier Reviewed-on: https://review.coreboot.org/c/30819 Reviewed-by: Angel Pons Reviewed-by: Nico Huber Tested-by: build bot (Jenkins) --- src/mainboard/google/butterfly/devicetree.cb | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'src/mainboard/google/butterfly/devicetree.cb') diff --git a/src/mainboard/google/butterfly/devicetree.cb b/src/mainboard/google/butterfly/devicetree.cb index 692414cd65..8f88c24fdb 100644 --- a/src/mainboard/google/butterfly/devicetree.cb +++ b/src/mainboard/google/butterfly/devicetree.cb @@ -15,6 +15,10 @@ chip northbridge/intel/sandybridge register "gpu_panel_power_backlight_on_delay" = "2100" # T3: 210ms register "gpu_panel_power_backlight_off_delay" = "2100" # T4: 210ms + # Set backlight PWM values + register "gpu_cpu_backlight" = "0x000001e8" + register "gpu_pch_backlight" = "0x03d00000" + register "max_mem_clock_mhz" = "666" # DDR3-1333 device cpu_cluster 0 on -- cgit v1.2.3