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gma hsw bdw: Add DDI buffer translations

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Change-Id: Ib87be86e2853e6b9df7e19dd9cb80d4f7effefc5
Signed-off-by: Nico Huber <nico.huber@secunet.com>
Reviewed-on: https://review.coreboot.org/20166
Tested-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
This commit is contained in:
Nico Huber
2017-06-12 15:51:25 +02:00
committed by Nico Huber
parent 01b680ff02
commit 730f17c6ab
4 changed files with 160 additions and 3 deletions
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1
common/haswell/Makefile.inc
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@@ -1,3 +1,4 @@
gfxinit-y += hw-gfx-gma-connectors-ddi-buffers.adb
gfxinit-y += hw-gfx-gma-connectors-ddi-buffers.ads
gfxinit-y += hw-gfx-gma-ddi_phy.ads
gfxinit-y += hw-gfx-gma-plls-lcpll.ads

155
common/haswell/hw-gfx-gma-connectors-ddi-buffers.adb Normal file
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@@ -0,0 +1,155 @@
--
-- Copyright (C) 2017 secunet Security Networks AG
--
-- 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.Config;
package body HW.GFX.GMA.Connectors.DDI.Buffers
is
subtype Haswell_HDMI_Range is DDI_HDMI_Buf_Trans_Range range 0 .. 11;
subtype Broadwell_HDMI_Range is DDI_HDMI_Buf_Trans_Range range 0 .. 9;
type HDMI_Buf_Trans is record
Trans1 : Word32;
Trans2 : Word32;
end record;
type HDMI_Buf_Trans_Array is array (Haswell_HDMI_Range) of HDMI_Buf_Trans;
----------------------------------------------------------------------------
Haswell_Trans_DP : constant Buf_Trans_Array :=
(16#00ff_ffff#, 16#0006_000e#,
16#00d7_5fff#, 16#0005_000a#,
16#00c3_0fff#, 16#0004_0006#,
16#80aa_afff#, 16#000b_0000#,
16#00ff_ffff#, 16#0005_000a#,
16#00d7_5fff#, 16#000c_0004#,
16#80c3_0fff#, 16#000b_0000#,
16#00ff_ffff#, 16#0004_0006#,
16#80d7_5fff#, 16#000b_0000#,
others => 0);
Haswell_Trans_FDI : constant Buf_Trans_Array :=
(16#00ff_ffff#, 16#0007_000e#,
16#00d7_5fff#, 16#000f_000a#,
16#00c3_0fff#, 16#0006_0006#,
16#00aa_afff#, 16#001e_0000#,
16#00ff_ffff#, 16#000f_000a#,
16#00d7_5fff#, 16#0016_0004#,
16#00c3_0fff#, 16#001e_0000#,
16#00ff_ffff#, 16#0006_0006#,
16#00d7_5fff#, 16#001e_0000#,
others => 0);
Haswell_Trans_HDMI : constant HDMI_Buf_Trans_Array :=
((16#00ff_ffff#, 16#0006_000e#),
(16#00e7_9fff#, 16#000e_000c#),
(16#00d7_5fff#, 16#0005_000a#),
(16#00ff_ffff#, 16#0005_000a#),
(16#00e7_9fff#, 16#001d_0007#),
(16#00d7_5fff#, 16#000c_0004#),
(16#00ff_ffff#, 16#0004_0006#),
(16#80e7_9fff#, 16#0003_0002#),
(16#00ff_ffff#, 16#0014_0005#),
(16#00ff_ffff#, 16#000c_0004#),
(16#00ff_ffff#, 16#001c_0003#),
(16#80ff_ffff#, 16#0003_0002#));
Broadwell_Trans_EDP : constant Buf_Trans_Array :=
(16#00ff_ffff#, 16#0000_0012#,
16#00eb_afff#, 16#0002_0011#,
16#00c7_1fff#, 16#0006_000f#,
16#00aa_afff#, 16#000e_000a#,
16#00ff_ffff#, 16#0002_0011#,
16#00db_6fff#, 16#0005_000f#,
16#00be_efff#, 16#000a_000c#,
16#00ff_ffff#, 16#0005_000f#,
16#00db_6fff#, 16#000a_000c#,
others => 0);
Broadwell_Trans_DP : constant Buf_Trans_Array :=
(16#00ff_ffff#, 16#0007_000e#,
16#00d7_5fff#, 16#000e_000a#,
16#00be_ffff#, 16#0014_0006#,
16#80b2_cfff#, 16#001b_0002#,
16#00ff_ffff#, 16#000e_000a#,
16#00db_6fff#, 16#0016_0005#,
16#80c7_1fff#, 16#001a_0002#,
16#00f7_dfff#, 16#0018_0004#,
16#80d7_5fff#, 16#001b_0002#,
others => 0);
Broadwell_Trans_FDI : constant Buf_Trans_Array :=
(16#00ff_ffff#, 16#0001_000e#,
16#00d7_5fff#, 16#0004_000a#,
16#00c3_0fff#, 16#0007_0006#,
16#00aa_afff#, 16#000c_0000#,
16#00ff_ffff#, 16#0004_000a#,
16#00d7_5fff#, 16#0009_0004#,
16#00c3_0fff#, 16#000c_0000#,
16#00ff_ffff#, 16#0007_0006#,
16#00d7_5fff#, 16#000c_0000#,
others => 0);
Broadwell_Trans_HDMI : constant HDMI_Buf_Trans_Array :=
((16#00ff_ffff#, 16#0007_000e#),
(16#00d7_5fff#, 16#000e_000a#),
(16#00be_ffff#, 16#0014_0006#),
(16#00ff_ffff#, 16#0009_000d#),
(16#00ff_ffff#, 16#000e_000a#),
(16#00d7_ffff#, 16#0014_0006#),
(16#80cb_2fff#, 16#001b_0002#),
(16#00ff_ffff#, 16#0014_0006#),
(16#80e7_9fff#, 16#001b_0002#),
(16#80ff_ffff#, 16#001b_0002#),
others => (0, 0));
----------------------------------------------------------------------------
procedure Translations (Trans : out Buf_Trans_Array; Port : Digital_Port)
is
HDMI_Trans : constant DDI_HDMI_Buf_Trans_Range :=
(if (Config.CPU = Broadwell and
Config.DDI_HDMI_Buffer_Translation in Broadwell_HDMI_Range)
or
(Config.CPU /= Broadwell and
Config.DDI_HDMI_Buffer_Translation in Haswell_HDMI_Range)
then Config.DDI_HDMI_Buffer_Translation
else Config.Default_DDI_HDMI_Buffer_Translation);
begin
Trans :=
(case Config.CPU is
when Broadwell =>
(case Port is
when DIGI_A =>
(if Config.EDP_Low_Voltage_Swing
then Broadwell_Trans_EDP
else Broadwell_Trans_DP),
when DIGI_B .. DIGI_D => Broadwell_Trans_DP,
when DIGI_E => Broadwell_Trans_FDI),
when others =>
(case Port is
when DIGI_A .. DIGI_D => Haswell_Trans_DP,
when DIGI_E => Haswell_Trans_FDI));
case Config.CPU is
when Broadwell =>
Trans (18) := Broadwell_Trans_HDMI (HDMI_Trans).Trans1;
Trans (19) := Broadwell_Trans_HDMI (HDMI_Trans).Trans2;
when others =>
Trans (18) := Haswell_Trans_HDMI (HDMI_Trans).Trans1;
Trans (19) := Haswell_Trans_HDMI (HDMI_Trans).Trans2;
end case;
end Translations;
end HW.GFX.GMA.Connectors.DDI.Buffers;

3
common/haswell/hw-gfx-gma-connectors-ddi-buffers.ads
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@@ -15,7 +15,6 @@
private package HW.GFX.GMA.Connectors.DDI.Buffers
is
procedure Translations (Trans : out Buf_Trans_Array; Port : Digital_Port)
is null;
procedure Translations (Trans : out Buf_Trans_Array; Port : Digital_Port);
end HW.GFX.GMA.Connectors.DDI.Buffers;

4
common/hw-gfx-gma-config.ads.template
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@@ -92,7 +92,7 @@ is
and CPU_Var = Normal)
or CPU >= Skylake;
Has_DDI_Buffer_Trans : constant Boolean := False;
Has_DDI_Buffer_Trans : constant Boolean := CPU in Haswell .. Broadwell;
Has_Low_Voltage_Swing : constant Boolean := CPU >= Broxton;
Need_DP_Aux_Mutex : constant Boolean := False; -- Skylake & (PSR | GTC)
@@ -211,6 +211,8 @@ is
Default_DDI_HDMI_Buffer_Translation : constant DDI_HDMI_Buf_Trans_Range :=
(case CPU is
when Haswell => 6,
when Broadwell => 7,
when Broxton => 8,
when others => 0);