[coreboot-gerrit] New patch to review for coreboot: 5ede235 rambi: Set panel power timings

Aaron Durbin (adurbin@google.com) gerrit at coreboot.org
Tue Jan 28 03:57:12 CET 2014


Aaron Durbin (adurbin at google.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/5001

-gerrit

commit 5ede2357a8c2aaa10493286f7d8fbb143a748869
Author: Duncan Laurie <dlaurie at chromium.org>
Date:   Mon Dec 9 14:40:05 2013 -0800

    rambi: Set panel power timings
    
    These are the values that are seen with VBIOS and
    may need tweaked for derivative panels.
    
    BUG=chrome-os-partner:24367
    BRANCH=none
    TEST=boot on rambi in normal mode and see the panel come up
    
    Change-Id: Ie3120ab3c5298135626e8534d3954acd263dc74b
    Signed-off-by: Duncan Laurie <dlaurie at chromium.org>
    Reviewed-on: https://chromium-review.googlesource.com/179365
    Reviewed-by: Aaron Durbin <adurbin at chromium.org>
    Signed-off-by: Aaron Durbin <adurbin at chromium.org>
---
 src/mainboard/google/rambi/devicetree.cb | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/mainboard/google/rambi/devicetree.cb b/src/mainboard/google/rambi/devicetree.cb
index 96772ac..bd54f00 100644
--- a/src/mainboard/google/rambi/devicetree.cb
+++ b/src/mainboard/google/rambi/devicetree.cb
@@ -31,6 +31,16 @@ chip soc/intel/baytrail
 	register "sdcard_cap_low" = "0x036864b2"
 	register "sdcard_cap_high" = "0x0"
 
+	# Enable PIPEA as DP_C
+	register "gpu_pipea_hotplug" = "6"		# 6ms Pulse
+	register "gpu_pipea_port_select" = "2"		# DP_C
+	register "gpu_pipea_power_cycle_delay" = "5"	# 400ms
+	register "gpu_pipea_power_on_delay" = "2000"	# 200ms
+	register "gpu_pipea_light_on_delay" = "10"	# 1ms
+	register "gpu_pipea_power_off_delay" = "500"	# 50ms
+	register "gpu_pipea_light_off_delay" = "2000"	# 200ms
+	register "gpu_pipea_backlight_pwm" = "0x400"
+
 	device cpu_cluster 0 on
 		device lapic 0 on end
 	end



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