stout: Add native gfx init
Tested during FOSDEM.
Change-Id: Id095364d6e4735256e54a68ea9ae677355dd386a
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: https://review.coreboot.org/13532
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
diff --git a/src/mainboard/google/stout/Kconfig b/src/mainboard/google/stout/Kconfig
index 94229c4..9dcde5d 100644
--- a/src/mainboard/google/stout/Kconfig
+++ b/src/mainboard/google/stout/Kconfig
@@ -15,6 +15,7 @@
select MAINBOARD_HAS_CHROMEOS
select MAINBOARD_HAS_LPC_TPM
select INTEL_INT15
+ select IVYBRIDGE_LVDS
config CHROMEOS
select CHROMEOS_VBNV_CMOS
diff --git a/src/mainboard/google/stout/devicetree.cb b/src/mainboard/google/stout/devicetree.cb
index 1992664..97db8ae 100644
--- a/src/mainboard/google/stout/devicetree.cb
+++ b/src/mainboard/google/stout/devicetree.cb
@@ -14,6 +14,12 @@
register "gpu_panel_power_backlight_on_delay" = "2100" # T5: 210ms
register "gpu_panel_power_backlight_off_delay" = "2100" # TD: 210ms
+ # For native gfx
+ register "gfx.use_spread_spectrum_clock" = "0"
+ register "gfx.link_frequency_270_mhz" = "1"
+ register "gpu_cpu_backlight" = "0x1155"
+ register "gpu_pch_backlight" = "0x06100610"
+
device cpu_cluster 0 on
chip cpu/intel/socket_rPGA989
device lapic 0 on end