From: Girish Pathak <girish.pathak at arm.com>
This change adds LcdPlatformLib implementation for Arm Mali
DP500/DP500/DP650 display processors for models (with DP550 support).
NOTE: Versions for actual hardware are liable to require extra handling
for clock input changes, etc.
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Girish Pathak <girish.pathak@arm.com>
Signed-off-by: Evan Lloyd <evan.lloyd@arm.com>
---
Notes:
v3:
- Please fix the funky indentation [Ard]
Done [Girish]
- Add EFI_MEMORY_XP [Ard]
Done [Girish]
Platform/ARM/VExpressPkg/ArmVExpressPkg.dec | 3 +-
Platform/ARM/VExpressPkg/Library/ArmMaliDpLib/ArmMaliDpLib.c | 387 ++++++++++++++++++++
Platform/ARM/VExpressPkg/Library/ArmMaliDpLib/ArmMaliDpLib.inf | 43 +++
Platform/ARM/VExpressPkg/Library/ArmVExpressLibRTSM/ArmVExpressLib.inf | 3 +
Platform/ARM/VExpressPkg/Library/ArmVExpressLibRTSM/RTSMMem.c | 12 +-
5 files changed, 446 insertions(+), 2 deletions(-)
diff --git a/Platform/ARM/VExpressPkg/ArmVExpressPkg.dec b/Platform/ARM/VExpressPkg/ArmVExpressPkg.dec
index 695553a94f7f7e963b5db995c5e54f1ae1559daf..ac77540362d0775bed45f517306b98ea16bfb170 100644
--- a/Platform/ARM/VExpressPkg/ArmVExpressPkg.dec
+++ b/Platform/ARM/VExpressPkg/ArmVExpressPkg.dec
@@ -1,7 +1,7 @@
#/** @file
# Arm Versatile Express package.
#
-# Copyright (c) 2012-2015, ARM Limited. All rights reserved.
+# Copyright (c) 2012-2018, ARM Limited. All rights reserved.
#
# This program and the accompanying materials are licensed and made available
# under the terms and conditions of the BSD License which accompanies this
@@ -51,6 +51,7 @@ [PcdsFixedAtBuild.common]
gArmVExpressTokenSpaceGuid.PcdPL111LcdVideoModeOscId|1|UINT32|0x00000003
gArmVExpressTokenSpaceGuid.PcdHdLcdVideoModeOscId|0|UINT32|0x00000005
+ gArmVExpressTokenSpaceGuid.PcdArmMaliDpMaxMode|0|UINT32|0x00000008
#
# Device path of block device on which Fastboot will flash partitions
diff --git a/Platform/ARM/VExpressPkg/Library/ArmMaliDpLib/ArmMaliDpLib.c b/Platform/ARM/VExpressPkg/Library/ArmMaliDpLib/ArmMaliDpLib.c
new file mode 100644
index 0000000000000000000000000000000000000000..04ad341d14650b10b92a38a6ff68108871feef9e
--- /dev/null
+++ b/Platform/ARM/VExpressPkg/Library/ArmMaliDpLib/ArmMaliDpLib.c
@@ -0,0 +1,387 @@
+/** @file
+
+ The file contains Arm Mali DP platform specific implementation.
+
+ Copyright (c) 2017-2018, Arm Limited. All rights reserved.
+
+ This program and the accompanying materials
+ are licensed and made available under the terms and conditions of the BSD License
+ which accompanies this distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#include <PiDxe.h>
+#include <ArmPlatform.h>
+#include <Library/DebugLib.h>
+#include <Library/LcdPlatformLib.h>
+#include <Library/MemoryAllocationLib.h>
+#include <Library/PcdLib.h>
+#include <Library/UefiBootServicesTableLib.h>
+#include <Protocol/Cpu.h>
+
+/** Check an address is within 40 bits.
+
+ The ARM Mali DP framebuffer address size can not be wider than 40 bits
+**/
+#define DP_VALID_BASE_ADDR(Address) ((Address >> 40) == 0)
+
+typedef struct {
+ UINT32 OscFreq;
+ SCAN_TIMINGS Horizontal;
+ SCAN_TIMINGS Vertical;
+} DISPLAY_MODE;
+
+/** The display modes implemented by this driver.
+
+ On Models, the OSC frequencies (listed for each mode below) are not used.
+ However these frequencies are useful on hardware plaforms where related
+ clock (or PLL) settings are based on these pixel clocks.
+
+ Since the clock settings are defined externally, the driver must
+ communicate pixel clock frequencies to relevant modules
+ responsible for setting clocks. e.g. SCP.
+**/
+STATIC DISPLAY_MODE mDisplayModes[] = {
+ {
+ // Mode 0 : VGA : 640 x 480 x 24 bpp.
+ VGA_OSC_FREQUENCY,
+ {VGA_H_RES_PIXELS, VGA_H_SYNC, VGA_H_BACK_PORCH, VGA_H_FRONT_PORCH},
+ {VGA_V_RES_PIXELS, VGA_V_SYNC, VGA_V_BACK_PORCH, VGA_V_FRONT_PORCH}
+ },
+ {
+ // Mode 1 : WVGA : 800 x 480 x 24 bpp.
+ WVGA_OSC_FREQUENCY,
+ {WVGA_H_RES_PIXELS, WVGA_H_SYNC, WVGA_H_BACK_PORCH, WVGA_H_FRONT_PORCH},
+ {WVGA_V_RES_PIXELS, WVGA_V_SYNC, WVGA_V_BACK_PORCH, WVGA_V_FRONT_PORCH}
+ },
+ {
+ // Mode 2 : SVGA : 800 x 600 x 24 bpp.
+ SVGA_OSC_FREQUENCY,
+ {SVGA_H_RES_PIXELS, SVGA_H_SYNC, SVGA_H_BACK_PORCH, SVGA_H_FRONT_PORCH},
+ {SVGA_V_RES_PIXELS, SVGA_V_SYNC, SVGA_V_BACK_PORCH, SVGA_V_FRONT_PORCH}
+ },
+ {
+ // Mode 3 : QHD : 960 x 540 x 24 bpp.
+ QHD_OSC_FREQUENCY,
+ {QHD_H_RES_PIXELS, QHD_H_SYNC, QHD_H_BACK_PORCH, QHD_H_FRONT_PORCH},
+ {QHD_V_RES_PIXELS, QHD_V_SYNC, QHD_V_BACK_PORCH, QHD_V_FRONT_PORCH}
+ },
+ {
+ // Mode 4 : WSVGA : 1024 x 600 x 24 bpp.
+ WSVGA_OSC_FREQUENCY,
+ {WSVGA_H_RES_PIXELS, WSVGA_H_SYNC, WSVGA_H_BACK_PORCH, WSVGA_H_FRONT_PORCH},
+ {WSVGA_V_RES_PIXELS, WSVGA_V_SYNC, WSVGA_V_BACK_PORCH, WSVGA_V_FRONT_PORCH}
+ },
+ {
+ // Mode 5 : XGA : 1024 x 768 x 24 bpp.
+ XGA_OSC_FREQUENCY,
+ {XGA_H_RES_PIXELS, XGA_H_SYNC, XGA_H_BACK_PORCH, XGA_H_FRONT_PORCH},
+ {XGA_V_RES_PIXELS, XGA_V_SYNC, XGA_V_BACK_PORCH, XGA_V_FRONT_PORCH}
+ },
+ {
+ // Mode 6 : HD : 1280 x 720 x 24 bpp.
+ HD720_OSC_FREQUENCY,
+ {HD720_H_RES_PIXELS, HD720_H_SYNC, HD720_H_BACK_PORCH, HD720_H_FRONT_PORCH},
+ {HD720_V_RES_PIXELS, HD720_V_SYNC, HD720_V_BACK_PORCH, HD720_V_FRONT_PORCH}
+ },
+ {
+ // Mode 7 : WXGA : 1280 x 800 x 24 bpp.
+ WXGA_OSC_FREQUENCY,
+ {WXGA_H_RES_PIXELS, WXGA_H_SYNC, WXGA_H_BACK_PORCH, WXGA_H_FRONT_PORCH},
+ {WXGA_V_RES_PIXELS, WXGA_V_SYNC, WXGA_V_BACK_PORCH, WXGA_V_FRONT_PORCH}
+ },
+ { // Mode 8 : SXGA : 1280 x 1024 x 24 bpp.
+ SXGA_OSC_FREQUENCY,
+ {SXGA_H_RES_PIXELS, SXGA_H_SYNC, SXGA_H_BACK_PORCH, SXGA_H_FRONT_PORCH},
+ {SXGA_V_RES_PIXELS, SXGA_V_SYNC, SXGA_V_BACK_PORCH, SXGA_V_FRONT_PORCH}
+ },
+ { // Mode 9 : WSXGA+ : 1680 x 1050 x 24 bpp.
+ WSXGA_OSC_FREQUENCY,
+ {WSXGA_H_RES_PIXELS, WSXGA_H_SYNC, WSXGA_H_BACK_PORCH, WSXGA_H_FRONT_PORCH},
+ {WSXGA_V_RES_PIXELS,WSXGA_V_SYNC, WSXGA_V_BACK_PORCH, WSXGA_V_FRONT_PORCH}
+ },
+ {
+ // Mode 10 : HD : 1920 x 1080 x 24 bpp.
+ HD_OSC_FREQUENCY,
+ {HD_H_RES_PIXELS, HD_H_SYNC, HD_H_BACK_PORCH, HD_H_FRONT_PORCH},
+ {HD_V_RES_PIXELS, HD_V_SYNC, HD_V_BACK_PORCH, HD_V_FRONT_PORCH}
+ }
+};
+
+/** If PcdArmMaliDpMaxMode is 0, platform supports full range of modes
+ else platform supports modes from 0 to PcdArmMaliDpMaxMode - 1
+**/
+STATIC CONST UINT32 mMaxMode = ((FixedPcdGet32 (PcdArmMaliDpMaxMode) != 0)
+ ? FixedPcdGet32 (PcdArmMaliDpMaxMode)
+ : sizeof (mDisplayModes) / sizeof (DISPLAY_MODE));
+
+/** Platform related initialization function.
+
+ @param[in] Handle Handle to the instance of the device.
+
+ @retval EFI_SUCCESS Initialization of platform library successful.
+ @retval EFI_UNSUPPORTED PcdGopPixelFormat must be
+ PixelRedGreenBlueReserved8BitPerColor OR
+ PixelBlueGreenRedReserved8BitPerColor
+ any other format is not supported.
+**/
+EFI_STATUS
+LcdPlatformInitializeDisplay (
+ IN EFI_HANDLE Handle
+ )
+{
+ EFI_GRAPHICS_PIXEL_FORMAT PixelFormat;
+
+ (VOID)Handle;
+
+ // PixelBitMask and PixelBltOnly pixel formats are not supported
+ PixelFormat = FixedPcdGet32 (PcdGopPixelFormat);
+ if (PixelFormat != PixelRedGreenBlueReserved8BitPerColor &&
+ PixelFormat != PixelBlueGreenRedReserved8BitPerColor) {
+
+ ASSERT (PixelFormat == PixelRedGreenBlueReserved8BitPerColor ||
+ PixelFormat == PixelBlueGreenRedReserved8BitPerColor);
+ return EFI_UNSUPPORTED;
+ }
+
+ return EFI_SUCCESS;
+}
+
+/* Internal helper function to allocate memory if memory is not already
+ reserved for framebuffer
+
+ @param[in] VramSize Requested framebuffer size in bytes.
+ @param[out] VramBaseAddress Pointer to memory allocated for framebuffer.
+
+ @retval EFI_SUCCESS Framebuffer memory allocated successfully.
+ @retval EFI_UNSUPPORTED Allocated address wider than 40 bits.
+ @retval !EFI_SUCCESS Other errors.
+**/
+STATIC
+EFI_STATUS
+GetVram (
+ IN UINTN VramSize,
+ OUT EFI_PHYSICAL_ADDRESS * VramBaseAddress
+ )
+{
+ EFI_STATUS Status;
+ EFI_CPU_ARCH_PROTOCOL *Cpu;
+
+ *VramBaseAddress = FixedPcdGet64 (PcdArmLcdDdrFrameBufferBase);
+
+ // Check if memory is already reserved for the framebuffer.
+ if (*VramBaseAddress != 0) {
+ // ARM Mali DP framebuffer base address can not be wider than 40 bits.
+ if (!DP_VALID_BASE_ADDR (*VramBaseAddress)) {
+ ASSERT (DP_VALID_BASE_ADDR (*VramBaseAddress));
+ Status = EFI_UNSUPPORTED;
+ } else {
+ Status = EFI_SUCCESS;
+ }
+ } else {
+ // If not already reserved, attempt to allocate the VRAM from the DRAM.
+ Status = gBS->AllocatePages (
+ AllocateAnyPages,
+ EfiReservedMemoryType,
+ EFI_SIZE_TO_PAGES (VramSize),
+ VramBaseAddress
+ );
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR, "ArmMaliDpLib: Failed to allocate framebuffer.\n"));
+ ASSERT_EFI_ERROR (Status);
+ return Status;
+ }
+
+ // ARM Mali DP framebuffer base address can not be wider than 40 bits.
+ if (!DP_VALID_BASE_ADDR (*VramBaseAddress)) {
+ gBS->FreePages (*VramBaseAddress, EFI_SIZE_TO_PAGES (VramSize));
+ ASSERT (DP_VALID_BASE_ADDR (*VramBaseAddress));
+ return EFI_UNSUPPORTED;
+ }
+
+ // Ensure the Cpu architectural protocol is already installed
+ Status = gBS->LocateProtocol (
+ &gEfiCpuArchProtocolGuid,
+ NULL,
+ (VOID **)&Cpu
+ );
+ if (!EFI_ERROR (Status)) {
+ // The VRAM is inside the DRAM, which is cacheable.
+ // Mark the VRAM as write-combining (uncached) and non-executable.
+ Status = Cpu->SetMemoryAttributes (
+ Cpu,
+ *VramBaseAddress,
+ VramSize,
+ EFI_MEMORY_WC | EFI_MEMORY_XP
+ );
+ }
+ if (EFI_ERROR (Status)) {
+ ASSERT_EFI_ERROR (Status);
+ gBS->FreePages (*VramBaseAddress, EFI_SIZE_TO_PAGES (VramSize));
+ }
+ }
+
+ return Status;
+}
+
+/** Allocate VRAM memory in DRAM for the framebuffer
+ (unless it is reserved already).
+
+ The allocated address can be used to set the framebuffer as a base buffer
+ address for any layer of the ARM Mali DP.
+
+ @param[out] VramBaseAddress A pointer to the framebuffer address.
+ @param[out] VramSize A pointer to the size of the frame
+ buffer in bytes
+
+ @retval EFI_SUCCESS Framebuffer memory allocation success.
+ @retval EFI_UNSUPPORTED Allocated address wider than 40 bits
+ @retval !EFI_SUCCESS Other errors.
+**/
+EFI_STATUS
+LcdPlatformGetVram (
+ OUT EFI_PHYSICAL_ADDRESS * VramBaseAddress,
+ OUT UINTN * VramSize
+ )
+{
+ ASSERT (VramBaseAddress != NULL);
+ ASSERT (VramSize != NULL);
+
+ // Set the VRAM size.
+ *VramSize = (UINTN)FixedPcdGet32 (PcdArmLcdDdrFrameBufferSize);
+
+ return GetVram (*VramSize, VramBaseAddress);
+}
+
+/** Return total number of modes supported.
+
+ Note: Valid mode numbers are 0 to MaxMode - 1
+ See Section 12.9 of the UEFI Specification 2.7
+
+ @retval UINT32 Mode Number.
+**/
+UINT32
+LcdPlatformGetMaxMode (VOID)
+{
+ return mMaxMode;
+}
+
+/** Set the requested display mode.
+
+ @param[in] ModeNumber Mode Number.
+
+ @retval EFI_SUCCESS Mode set successful.
+ @retval EFI_INVALID_PARAMETER Requested mode not found.
+**/
+EFI_STATUS
+LcdPlatformSetMode (
+ IN UINT32 ModeNumber
+ )
+{
+ if (ModeNumber >= mMaxMode) {
+ ASSERT (ModeNumber < mMaxMode);
+ return EFI_INVALID_PARAMETER;
+ }
+
+ // On models, platform specific clock/mux settings are not required.
+ // Display controller specific settings for Mali DP are done in LcdSetMode.
+ return EFI_SUCCESS;
+}
+
+/** Return information for the requested mode number.
+
+ @param[in] ModeNumber Mode Number.
+ @param[out] Info Pointer for returned mode information
+ (on success).
+
+ @retval EFI_SUCCESS Display mode information of the requested
+ mode returned successfully.
+ @retval EFI_INVALID_PARAMETER Requested mode not found.
+**/
+EFI_STATUS
+LcdPlatformQueryMode (
+ IN UINT32 ModeNumber,
+ OUT EFI_GRAPHICS_OUTPUT_MODE_INFORMATION * Info
+ )
+{
+ if (ModeNumber >= mMaxMode) {
+ ASSERT (ModeNumber < mMaxMode);
+ return EFI_INVALID_PARAMETER;
+ }
+
+ ASSERT (Info != NULL);
+
+ Info->Version = 0;
+ Info->HorizontalResolution = mDisplayModes[ModeNumber].Horizontal.Resolution;
+ Info->VerticalResolution = mDisplayModes[ModeNumber].Vertical.Resolution;
+ Info->PixelsPerScanLine = mDisplayModes[ModeNumber].Horizontal.Resolution;
+
+ Info->PixelFormat = FixedPcdGet32 (PcdGopPixelFormat);
+
+ return EFI_SUCCESS;
+}
+
+/** Return the display timing information for the requested mode number.
+
+ @param[in] ModeNumber Mode Number.
+
+ @param[out] Horizontal Pointer to horizontal timing parameters.
+ (Resolution, Sync, Back porch, Front porch)
+ @param[out] Vertical Pointer to vertical timing parameters.
+ (Resolution, Sync, Back porch, Front porch)
+
+ @retval EFI_SUCCESS Display timing information of the requested
+ mode returned successfully.
+ @retval EFI_INVALID_PARAMETER Requested mode not found.
+**/
+EFI_STATUS
+LcdPlatformGetTimings (
+ IN UINT32 ModeNumber,
+ OUT SCAN_TIMINGS ** Horizontal,
+ OUT SCAN_TIMINGS ** Vertical
+ )
+{
+ ASSERT (Horizontal != NULL);
+ ASSERT (Vertical != NULL);
+
+ if (ModeNumber >= mMaxMode) {
+ ASSERT (ModeNumber < mMaxMode);
+ return EFI_INVALID_PARAMETER;
+ }
+
+ *Horizontal = &mDisplayModes[ModeNumber].Horizontal;
+ *Vertical = &mDisplayModes[ModeNumber].Vertical;
+
+ return EFI_SUCCESS;
+}
+
+/** Return bits per pixel information for a mode number.
+
+ @param[in] ModeNumber Mode Number.
+ @param[out] Bpp Pointer to bits per pixel information.
+
+ @retval EFI_SUCCESS Bits per pixel information of the display
+ mode returned successfully.
+ @retval EFI_INVALID_PARAMETER Requested mode not found.
+**/
+EFI_STATUS
+LcdPlatformGetBpp (
+ IN UINT32 ModeNumber,
+ OUT LCD_BPP * Bpp
+ )
+{
+ ASSERT (Bpp != NULL);
+ // Check valid ModeNumber.
+ if (ModeNumber >= mMaxMode) {
+ ASSERT (ModeNumber < mMaxMode);
+ return EFI_INVALID_PARAMETER;
+ }
+
+ *Bpp = LCD_BITS_PER_PIXEL_24;
+
+ return EFI_SUCCESS;
+}
diff --git a/Platform/ARM/VExpressPkg/Library/ArmMaliDpLib/ArmMaliDpLib.inf b/Platform/ARM/VExpressPkg/Library/ArmMaliDpLib/ArmMaliDpLib.inf
new file mode 100644
index 0000000000000000000000000000000000000000..78f7d307b70701194b7121f16529ab10a6d52835
--- /dev/null
+++ b/Platform/ARM/VExpressPkg/Library/ArmMaliDpLib/ArmMaliDpLib.inf
@@ -0,0 +1,43 @@
+#/** @file
+# Component description file for ArmMaliDpLib module
+#
+# Copyright (c) 2017-2018, Arm Limited. All rights reserved.
+#
+# This program and the accompanying materials
+# are licensed and made available under the terms and conditions of the BSD License
+# which accompanies this distribution. The full text of the license may be found at
+# http://opensource.org/licenses/bsd-license.php
+#
+# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+#**/
+
+[Defines]
+ INF_VERSION = 0x00010019
+ BASE_NAME = ArmMaliDpLib
+ FILE_GUID = 36C47FED-2F3F-49C7-89CE-31B13F0431D8
+ MODULE_TYPE = BASE
+ VERSION_STRING = 1.0
+ LIBRARY_CLASS = LcdPlatformLib
+
+[Sources.common]
+ ArmMaliDpLib.c
+
+[Packages]
+ ArmPlatformPkg/ArmPlatformPkg.dec
+ MdePkg/MdePkg.dec
+ Platform/ARM/VExpressPkg/ArmVExpressPkg.dec
+
+[LibraryClasses]
+ BaseLib
+
+[FixedPcd.common]
+ gArmPlatformTokenSpaceGuid.PcdArmLcdDdrFrameBufferBase
+ gArmPlatformTokenSpaceGuid.PcdArmLcdDdrFrameBufferSize
+ gArmPlatformTokenSpaceGuid.PcdGopPixelFormat
+
+ # MaxMode must be one number higher than the actual max mode,
+ # i.e. for actual maximum mode 2, set the value to 3.
+ # See Section 12.9 of the UEFI Specification 2.7
+ gArmVExpressTokenSpaceGuid.PcdArmMaliDpMaxMode
+
diff --git a/Platform/ARM/VExpressPkg/Library/ArmVExpressLibRTSM/ArmVExpressLib.inf b/Platform/ARM/VExpressPkg/Library/ArmVExpressLibRTSM/ArmVExpressLib.inf
index b025abd98b5e654323b7821ac353ad920e2e6421..53898c5e957eb1a49cf063fa759d5a9ca62e7954 100644
--- a/Platform/ARM/VExpressPkg/Library/ArmVExpressLibRTSM/ArmVExpressLib.inf
+++ b/Platform/ARM/VExpressPkg/Library/ArmVExpressLibRTSM/ArmVExpressLib.inf
@@ -57,5 +57,8 @@ [FixedPcd]
gArmPlatformTokenSpaceGuid.PcdArmLcdDdrFrameBufferBase
gArmPlatformTokenSpaceGuid.PcdArmLcdDdrFrameBufferSize
+ gArmPlatformTokenSpaceGuid.PcdArmMaliDpBase
+ gArmPlatformTokenSpaceGuid.PcdArmMaliDpMemoryRegionLength
+
[Ppis]
gArmMpCoreInfoPpiGuid
diff --git a/Platform/ARM/VExpressPkg/Library/ArmVExpressLibRTSM/RTSMMem.c b/Platform/ARM/VExpressPkg/Library/ArmVExpressLibRTSM/RTSMMem.c
index 1d5fefc21726ba1b05d90e0e47677575d7fa2034..c8eefa0cf28b06d19929912d28d87bd78ed7d871 100644
--- a/Platform/ARM/VExpressPkg/Library/ArmVExpressLibRTSM/RTSMMem.c
+++ b/Platform/ARM/VExpressPkg/Library/ArmVExpressLibRTSM/RTSMMem.c
@@ -20,8 +20,10 @@
#include <Library/MemoryAllocationLib.h>
#include <ArmPlatform.h>
+#define DP_BASE_DESCRIPTOR ((FixedPcdGet64 (PcdArmMaliDpBase) != 0) ? 1 : 0)
+
// Number of Virtual Memory Map Descriptors
-#define MAX_VIRTUAL_MEMORY_MAP_DESCRIPTORS 9
+#define MAX_VIRTUAL_MEMORY_MAP_DESCRIPTORS (9 + DP_BASE_DESCRIPTOR)
// DDR attributes
#define DDR_ATTRIBUTES_CACHED ARM_MEMORY_REGION_ATTRIBUTE_WRITE_BACK
@@ -157,6 +159,14 @@ ArmPlatformGetVirtualMemoryMap (
VirtualMemoryTable[Index].Attributes = ARM_MEMORY_REGION_ATTRIBUTE_UNCACHED_UNBUFFERED;
}
+ if (FixedPcdGet64 (PcdArmMaliDpBase) != 0) {
+ // DP500/DP550/DP650 peripheral memory region
+ VirtualMemoryTable[++Index].PhysicalBase = FixedPcdGet64 (PcdArmMaliDpBase);
+ VirtualMemoryTable[Index].VirtualBase = FixedPcdGet64 (PcdArmMaliDpBase);
+ VirtualMemoryTable[Index].Length = FixedPcdGet32 (PcdArmMaliDpMemoryRegionLength);
+ VirtualMemoryTable[Index].Attributes = ARM_MEMORY_REGION_ATTRIBUTE_DEVICE;
+ }
+
// Map sparse memory region if present
if (HasSparseMemory) {
VirtualMemoryTable[++Index].PhysicalBase = SparseMemoryBase;
--
'Guid(CE165669-3EF3-493F-B85D-6190EE5B9759)'
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