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gma: Move GTT constants into GMA.Config

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Change-Id: Ie4b017f26b658c1818f90701089ce5d3171e4953
Signed-off-by: Nico Huber <nico.h@gmx.de>
Reviewed-on: https://review.coreboot.org/20599
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
This commit is contained in:
Nico Huber
2017-07-15 20:03:56 +02:00
parent fda2d6eaef
commit b8ae61876b
3 changed files with 22 additions and 23 deletions
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16
common/hw-gfx-gma-config.ads.template
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@@ -268,4 +268,20 @@ is
HDMI_Max_Clock_24bpp : constant Frequency_Type :=
(if CPU >= Haswell then 300_000_000 else 225_000_000);
----------------------------------------------------------------------------
GTT_Offset : constant := (case CPU is
when Ironlake .. Haswell => 16#0020_0000#,
when Broadwell .. Skylake => 16#0080_0000#);
GTT_Size : constant := (case CPU is
when Ironlake .. Haswell => 16#0020_0000#,
-- Limit Broadwell to 4MiB to have a stable
-- interface (i.e. same number of entries):
when Broadwell .. Skylake => 16#0040_0000#);
GTT_PTE_Size : constant := (case CPU is
when Ironlake .. Haswell => 4,
when Broadwell .. Skylake => 8);
end HW.GFX.GMA.Config;

28
common/hw-gfx-gma-registers.adb
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@@ -12,16 +12,15 @@
-- GNU General Public License for more details.
--
with System.Storage_Elements;
with HW.Time;
with HW.MMIO_Range;
pragma Elaborate_All (HW.MMIO_Range);
with HW.GFX.GMA.Config;
with HW.Debug;
with GNAT.Source_Info;
use type System.Address;
use type HW.Word64;
package body HW.GFX.GMA.Registers
@@ -47,28 +46,13 @@ is
----------------------------------------------------------------------------
GTT_Offset : constant := (case Config.CPU is
when Ironlake .. Haswell => 16#0020_0000#,
when Broadwell .. Skylake => 16#0080_0000#);
GTT_Size : constant := (case Config.CPU is
when Ironlake .. Haswell => 16#0020_0000#,
-- Limit Broadwell to 4MiB to have a stable
-- interface (i.e. same number of entries):
when Broadwell .. Skylake => 16#0040_0000#);
GTT_PTE_Size : constant := (case Config.CPU is
when Ironlake .. Haswell => 4,
when Broadwell .. Skylake => 8);
type GTT_PTE_Type is mod 2 ** (GTT_PTE_Size * 8);
type GTT_PTE_Type is mod 2 ** (Config.GTT_PTE_Size * 8);
type GTT_Registers_Type is array (GTT_Range) of GTT_PTE_Type
with
Volatile_Components,
Size => GTT_Size * 8;
Size => Config.GTT_Size * 8;
package GTT is new MMIO_Range
(Base_Addr => Config.Default_MMIO_Base + GTT_Offset,
(Base_Addr => Config.Default_MMIO_Base + Config.GTT_Offset,
Element_T => GTT_PTE_Type,
Index_T => GTT_Range,
Array_T => GTT_Registers_Type);
@@ -310,7 +294,7 @@ is
is
begin
Regs.Set_Base_Address (Base);
GTT.Set_Base_Address (Base + GTT_Offset);
GTT.Set_Base_Address (Base + Config.GTT_Offset);
end Set_Register_Base;
end HW.GFX.GMA.Registers;

1
common/hw-gfx-gma-registers.ads
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@@ -14,7 +14,6 @@
with System;
with HW.GFX.GMA;
with HW.GFX.GMA.Config;
private package HW.GFX.GMA.Registers
with