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purism/librem_skl: add libgfxinit support 

Panel settings taken from KBL FSP sample vbt.bin

Test: build/boot librem13v2/15v3 with libgfxinit init,
verify both LFB and text modes functional

Change-Id: I9582065603417e53704244e95dde51a59f709664
Signed-off-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/36123
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
This commit is contained in:
Matt DeVillier 2018-12-19 02:13:58 -06:00 committed by Nico Huber
parent 21961fc092
commit 4223880d54
5 changed files with 47 additions and 0 deletions
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1
src/mainboard/purism/librem_skl/Kconfig
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@ -8,6 +8,7 @@ config BOARD_PURISM_BASEBOARD_LIBREM_SKL
select SOC_INTEL_COMMON_BLOCK_HDA_VERB select SOC_INTEL_COMMON_BLOCK_HDA_VERB
select SOC_INTEL_SKYLAKE select SOC_INTEL_SKYLAKE
select SPD_READ_BY_WORD select SPD_READ_BY_WORD
select MAINBOARD_HAS_LIBGFXINIT
select MAINBOARD_HAS_LPC_TPM select MAINBOARD_HAS_LPC_TPM
if BOARD_PURISM_BASEBOARD_LIBREM_SKL if BOARD_PURISM_BASEBOARD_LIBREM_SKL

2
src/mainboard/purism/librem_skl/Makefile.inc
View File

@ -15,3 +15,5 @@
ramstage-y += ramstage.c ramstage-y += ramstage.c
ramstage-y += hda_verb.c ramstage-y += hda_verb.c
ramstage-$(CONFIG_MAINBOARD_USE_LIBGFXINIT) += gma-mainboard.ads

28
src/mainboard/purism/librem_skl/gma-mainboard.ads Normal file
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@ -0,0 +1,28 @@
--
-- This file is part of the coreboot project.
--
-- This program is free software; you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation; either version 2 of the License, or
-- (at your option) any later version.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
--
with HW.GFX.GMA;
with HW.GFX.GMA.Display_Probing;
use HW.GFX.GMA;
use HW.GFX.GMA.Display_Probing;
private package GMA.Mainboard is
ports : constant Port_List :=
(Internal,
HDMI1,
others => Disabled);
end GMA.Mainboard;

8
src/mainboard/purism/librem_skl/variants/librem13v2/devicetree.cb
View File

@ -1,5 +1,13 @@
chip soc/intel/skylake chip soc/intel/skylake
register "gpu_pp_up_delay_ms" = "200"
register "gpu_pp_down_delay_ms" = " 50"
register "gpu_pp_cycle_delay_ms" = "500"
register "gpu_pp_backlight_on_delay_ms" = " 1"
register "gpu_pp_backlight_off_delay_ms" = "200"
register "gpu_pch_backlight_pwm_hz" = "200"
# Enable deep Sx states # Enable deep Sx states
register "deep_s3_enable_ac" = "0" register "deep_s3_enable_ac" = "0"
register "deep_s3_enable_dc" = "0" register "deep_s3_enable_dc" = "0"

8
src/mainboard/purism/librem_skl/variants/librem15v3/devicetree.cb
View File

@ -1,5 +1,13 @@
chip soc/intel/skylake chip soc/intel/skylake
register "gpu_pp_up_delay_ms" = "200"
register "gpu_pp_down_delay_ms" = " 50"
register "gpu_pp_cycle_delay_ms" = "500"
register "gpu_pp_backlight_on_delay_ms" = " 1"
register "gpu_pp_backlight_off_delay_ms" = "200"
register "gpu_pch_backlight_pwm_hz" = "200"
# Enable deep Sx states # Enable deep Sx states
register "deep_s3_enable_ac" = "0" register "deep_s3_enable_ac" = "0"
register "deep_s3_enable_dc" = "0" register "deep_s3_enable_dc" = "0"