diff options
| author | Olivier Martin <olivier.martin@arm.com> | 2015-02-25 19:14:26 +0000 |
|---|---|---|
| committer | oliviermartin <oliviermartin@Edk2> | 2015-02-25 19:14:26 +0000 |
| commit | dff720276a3ee19af0cb658340ac8514ffce8359 (patch) | |
| tree | 294de85293545b57a866eb6a64ee84076e93adfb /ArmPlatformPkg | |
| parent | df320b1084907173f100208c06d00b05f4d52b2b (diff) | |
| download | edk2-platforms-dff720276a3ee19af0cb658340ac8514ffce8359.tar.xz | |
ArmPlatformPkg/ArmVExpressDxe: Identify the current platform
Add a function to ArmVExpressDxe to identify the current platform we
are running on. This includes ARM32 and AArch64 models and hardware.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Olivier Martin <olivier.martin@arm.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16931 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'ArmPlatformPkg')
11 files changed, 365 insertions, 18 deletions
diff --git a/ArmPlatformPkg/ArmVExpressPkg/ArmVExpressDxe/AArch64/ArmFvpDxeAArch64.c b/ArmPlatformPkg/ArmVExpressPkg/ArmVExpressDxe/AArch64/ArmFvpDxeAArch64.c new file mode 100644 index 0000000000..2c7c5fa5cc --- /dev/null +++ b/ArmPlatformPkg/ArmVExpressPkg/ArmVExpressDxe/AArch64/ArmFvpDxeAArch64.c @@ -0,0 +1,75 @@ +/** @file
+
+ Copyright (c) 2014-2015, ARM Ltd. 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 "ArmVExpressInternal.h"
+
+//
+// Description of the two AARCH64 model platforms :
+// just the platform id for the time being.
+// Platform ids are defined in ArmVExpressInternal.h for
+// all "ArmVExpress-like" platforms (AARCH64 or ARM architecture,
+// model or hardware platforms).
+//
+CONST ARM_VEXPRESS_PLATFORM ArmVExpressPlatforms[] = {
+ { ARM_FVP_VEXPRESS_AEMv8x4 },
+ { ARM_FVP_BASE_AEMv8x4_AEMv8x4 },
+ { ARM_FVP_FOUNDATION },
+ { ARM_FVP_VEXPRESS_UNKNOWN }
+};
+
+/**
+ Get information about the VExpress platform the firmware is running on.
+
+ @param[out] Platform Address where the pointer to the platform information
+ (type ARM_VEXPRESS_PLATFORM*) should be stored.
+ The returned pointer does not point to an allocated
+ memory area.
+
+ @retval EFI_SUCCESS The platform information was returned.
+ @retval EFI_NOT_FOUND The platform was not recognised.
+
+**/
+EFI_STATUS
+ArmVExpressGetPlatform (
+ OUT CONST ARM_VEXPRESS_PLATFORM** Platform
+ )
+{
+ EFI_STATUS Status;
+ UINT32 SysId;
+
+ ASSERT (Platform != NULL);
+
+ Status = EFI_NOT_FOUND;
+
+ SysId = MmioRead32 (ARM_VE_SYS_ID_REG);
+ if (SysId != ARM_RTSM_SYS_ID) {
+ // Take out the FVP GIC variant to reduce the permutations. The GIC driver
+ // detects the version and does the right thing.
+ SysId &= ~ARM_FVP_SYS_ID_VARIANT_MASK;
+ if (SysId == (ARM_FVP_BASE_SYS_ID & ~ARM_FVP_SYS_ID_VARIANT_MASK)) {
+ Status = ArmVExpressGetPlatformFromId (ARM_FVP_BASE_AEMv8x4_AEMv8x4, Platform);
+ } else if (SysId == (ARM_FVP_FOUNDATION_SYS_ID & ~ARM_FVP_SYS_ID_VARIANT_MASK)) {
+ Status = ArmVExpressGetPlatformFromId (ARM_FVP_FOUNDATION, Platform);
+ }
+ } else {
+ Status = ArmVExpressGetPlatformFromId (ARM_FVP_VEXPRESS_AEMv8x4, Platform);
+ }
+
+ if (EFI_ERROR (Status)) {
+ DEBUG ((EFI_D_ERROR, "Unsupported AArch64 RTSM (SysId:0x%X).\n", SysId));
+ ASSERT_EFI_ERROR (Status);
+ }
+
+ return Status;
+}
diff --git a/ArmPlatformPkg/ArmVExpressPkg/ArmVExpressDxe/Arm/ArmFvpDxeArm.c b/ArmPlatformPkg/ArmVExpressPkg/ArmVExpressDxe/Arm/ArmFvpDxeArm.c new file mode 100644 index 0000000000..7ac89ad90a --- /dev/null +++ b/ArmPlatformPkg/ArmVExpressPkg/ArmVExpressDxe/Arm/ArmFvpDxeArm.c @@ -0,0 +1,85 @@ +/** @file
+
+ Copyright (c) 2014, ARM Ltd. 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 "ArmVExpressInternal.h"
+#include <Library/ArmPlatformLib.h> // To get Core Count
+
+//
+// Description of the four ARM model platforms :
+// just the platform id for the time being.
+// Platform ids are defined in ArmVExpressInternal.h for
+// all "ArmVExpress-like" platforms (AARCH64 or ARM architecture,
+// model or hardware platforms).
+//
+CONST ARM_VEXPRESS_PLATFORM ArmVExpressPlatforms[] = {
+ { ARM_FVP_VEXPRESS_A9x4 },
+ { ARM_FVP_VEXPRESS_A15x1 },
+ { ARM_FVP_VEXPRESS_A15x2 },
+ { ARM_FVP_VEXPRESS_A15x4 },
+ { ARM_FVP_VEXPRESS_UNKNOWN }
+};
+
+/**
+ Get information about the VExpress platform the firmware is running on.
+
+ @param[out] Platform Address where the pointer to the platform information
+ (type ARM_VEXPRESS_PLATFORM*) should be stored.
+ The returned pointer does not point to an allocated
+ memory area.
+
+ @retval EFI_SUCCESS The platform information was returned.
+ @retval EFI_NOT_FOUND The platform was not recognised.
+
+**/
+EFI_STATUS
+ArmVExpressGetPlatform (
+ OUT CONST ARM_VEXPRESS_PLATFORM** Platform
+ )
+{
+ UINT32 SysId;
+ UINTN CpuType;
+ EFI_STATUS Status;
+ UINTN CoreCount;
+
+ ASSERT (Platform != NULL);
+
+ CpuType = 0;
+ Status = EFI_NOT_FOUND;
+ *Platform = NULL;
+
+ SysId = MmioRead32 (ARM_VE_SYS_ID_REG);
+ if (SysId == ARM_RTSM_SYS_ID) {
+ // Get the Cortex-A version
+ CpuType = (ArmReadMidr () >> 4) & ARM_CPU_TYPE_MASK;
+ if (CpuType == ARM_CPU_TYPE_A9) {
+ Status = ArmVExpressGetPlatformFromId (ARM_FVP_VEXPRESS_A9x4, Platform);
+ } else if (CpuType == ARM_CPU_TYPE_A15) {
+ CoreCount = ArmGetCpuCountPerCluster ();
+ if (CoreCount == 1) {
+ Status = ArmVExpressGetPlatformFromId (ARM_FVP_VEXPRESS_A15x1, Platform);
+ } else if (CoreCount == 2) {
+ Status = ArmVExpressGetPlatformFromId (ARM_FVP_VEXPRESS_A15x2, Platform);
+ } else if (CoreCount == 4) {
+ Status = ArmVExpressGetPlatformFromId (ARM_FVP_VEXPRESS_A15x4, Platform);
+ }
+ }
+ }
+
+ if (EFI_ERROR (Status)) {
+ DEBUG ((EFI_D_ERROR, "Unsupported platform (SysId:0x%X, CpuType:0x%X)\n", SysId, CpuType));
+ ASSERT_EFI_ERROR (Status);
+ }
+
+ return Status;
+}
diff --git a/ArmPlatformPkg/ArmVExpressPkg/ArmVExpressDxe/ArmFvpDxe.c b/ArmPlatformPkg/ArmVExpressPkg/ArmVExpressDxe/ArmFvpDxe.c index 64e4158053..6a3d350382 100644 --- a/ArmPlatformPkg/ArmVExpressPkg/ArmVExpressDxe/ArmFvpDxe.c +++ b/ArmPlatformPkg/ArmVExpressPkg/ArmVExpressDxe/ArmFvpDxe.c @@ -12,10 +12,9 @@ **/
-#include <Library/UefiLib.h>
+#include "ArmVExpressInternal.h"
+
#include <Library/VirtioMmioDeviceLib.h>
-#include <Library/DebugLib.h>
-#include <Library/UefiBootServicesTableLib.h>
#include <Library/ArmShellCmdLib.h>
#define ARM_FVP_BASE_VIRTIO_BLOCK_BASE 0x1c130000
diff --git a/ArmPlatformPkg/ArmVExpressPkg/ArmVExpressDxe/ArmFvpDxe.inf b/ArmPlatformPkg/ArmVExpressPkg/ArmVExpressDxe/ArmFvpDxe.inf index 7112144095..8a096baae2 100644 --- a/ArmPlatformPkg/ArmVExpressPkg/ArmVExpressDxe/ArmFvpDxe.inf +++ b/ArmPlatformPkg/ArmVExpressPkg/ArmVExpressDxe/ArmFvpDxe.inf @@ -22,15 +22,26 @@ [Sources.common]
ArmFvpDxe.c
+ ArmVExpressCommon.c
+
+[Sources.ARM]
+ Arm/ArmFvpDxeArm.c
+
+[Sources.AARCH64]
+ AArch64/ArmFvpDxeAArch64.c
[Packages]
MdePkg/MdePkg.dec
+ ArmPkg/ArmPkg.dec
ArmPlatformPkg/ArmPlatformPkg.dec
+ ArmPlatformPkg/ArmVExpressPkg/ArmVExpressPkg.dec
OvmfPkg/OvmfPkg.dec
[LibraryClasses]
ArmShellCmdRunAxfLib
+ ArmLib
+ ArmPlatformLib
+ BaseMemoryLib
UefiDriverEntryPoint
UefiBootServicesTableLib
VirtioMmioDeviceLib
- BaseMemoryLib
diff --git a/ArmPlatformPkg/ArmVExpressPkg/ArmVExpressDxe/ArmHwDxe.c b/ArmPlatformPkg/ArmVExpressPkg/ArmVExpressDxe/ArmHwDxe.c index 7ed5c61059..66ec9963ca 100644 --- a/ArmPlatformPkg/ArmVExpressPkg/ArmVExpressDxe/ArmHwDxe.c +++ b/ArmPlatformPkg/ArmVExpressPkg/ArmVExpressDxe/ArmHwDxe.c @@ -12,10 +12,43 @@ **/
-#include <Library/UefiLib.h>
-#include <Library/DebugLib.h>
+#include "ArmVExpressInternal.h"
#include <Library/ArmShellCmdLib.h>
+//
+// Description of the four hardware platforms :
+// just the platform id for the time being.
+// Platform ids are defined in ArmVExpressInternal.h for
+// all "ArmVExpress-like" platforms (AARCH64 or ARM architecture,
+// model or hardware platforms).
+//
+CONST ARM_VEXPRESS_PLATFORM ArmVExpressPlatforms[] = {
+ { ARM_HW_A9x4 },
+ { ARM_HW_A15x2_A7x3 },
+ { ARM_HW_A15 },
+ { ARM_HW_A5 },
+ { ARM_FVP_VEXPRESS_UNKNOWN }
+};
+
+/**
+ Get information about the VExpress platform the firmware is running on.
+
+ @param[out] Platform Address where the pointer to the platform information
+ (type ARM_VEXPRESS_PLATFORM*) should be stored.
+ The returned pointer does not point to an allocated
+ memory area. Not used here.
+
+ @retval EFI_NOT_FOUND The platform was not recognised.
+
+**/
+EFI_STATUS
+ArmVExpressGetPlatform (
+ OUT CONST ARM_VEXPRESS_PLATFORM** Platform
+ )
+{
+ return EFI_NOT_FOUND;
+}
+
EFI_STATUS
EFIAPI
ArmHwInitialise (
diff --git a/ArmPlatformPkg/ArmVExpressPkg/ArmVExpressDxe/ArmHwDxe.inf b/ArmPlatformPkg/ArmVExpressPkg/ArmVExpressDxe/ArmHwDxe.inf index 3bcdbd06fb..92a193f8a0 100644 --- a/ArmPlatformPkg/ArmVExpressPkg/ArmVExpressDxe/ArmHwDxe.inf +++ b/ArmPlatformPkg/ArmVExpressPkg/ArmVExpressDxe/ArmHwDxe.inf @@ -22,10 +22,12 @@ [Sources.common]
ArmHwDxe.c
+ ArmVExpressCommon.c
[Packages]
- MdePkg/MdePkg.dec
+ ArmPkg/ArmPkg.dec
ArmPlatformPkg/ArmPlatformPkg.dec
+ MdePkg/MdePkg.dec
[LibraryClasses]
ArmShellCmdRunAxfLib
diff --git a/ArmPlatformPkg/ArmVExpressPkg/ArmVExpressDxe/ArmVExpressCommon.c b/ArmPlatformPkg/ArmVExpressPkg/ArmVExpressDxe/ArmVExpressCommon.c new file mode 100644 index 0000000000..e1cac7fb37 --- /dev/null +++ b/ArmPlatformPkg/ArmVExpressPkg/ArmVExpressDxe/ArmVExpressCommon.c @@ -0,0 +1,48 @@ +/** @file
+
+ Copyright (c) 2014, ARM Ltd. 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 "ArmVExpressInternal.h"
+
+/**
+ Get information about the VExpress platform the firmware is running on given its Id.
+
+ @param[in] PlatformId Id of the VExpress platform.
+ @param[out] Platform Address where the pointer to the platform information
+ (type ARM_VEXPRESS_PLATFORM*) should be stored.
+ The returned pointer does not point to an allocated
+ memory area.
+
+ @retval EFI_SUCCESS The platform information was returned.
+ @retval EFI_NOT_FOUND The platform was not recognised.
+
+**/
+EFI_STATUS
+ArmVExpressGetPlatformFromId (
+ IN CONST ARM_VEXPRESS_PLATFORM_ID PlatformId,
+ OUT CONST ARM_VEXPRESS_PLATFORM** Platform
+ )
+{
+ UINTN Index;
+
+ ASSERT (Platform != NULL);
+
+ for (Index = 0; ArmVExpressPlatforms[Index].Id != ARM_FVP_VEXPRESS_UNKNOWN; Index++) {
+ if (ArmVExpressPlatforms[Index].Id == PlatformId) {
+ *Platform = &ArmVExpressPlatforms[Index];
+ return EFI_SUCCESS;
+ }
+ }
+
+ return EFI_NOT_FOUND;
+}
diff --git a/ArmPlatformPkg/ArmVExpressPkg/ArmVExpressDxe/ArmVExpressInternal.h b/ArmPlatformPkg/ArmVExpressPkg/ArmVExpressDxe/ArmVExpressInternal.h new file mode 100644 index 0000000000..2e9335047a --- /dev/null +++ b/ArmPlatformPkg/ArmVExpressPkg/ArmVExpressDxe/ArmVExpressInternal.h @@ -0,0 +1,92 @@ +/** @file
+
+ Copyright (c) 2014, ARM Ltd. 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.
+
+**/
+
+#ifndef __ARM_VEXPRESS_INTERNAL_H__
+#define __ARM_VEXPRESS_INTERNAL_H__
+
+#include <Uefi.h>
+
+#include <Library/ArmLib.h>
+#include <Library/DebugLib.h>
+#include <Library/IoLib.h>
+#include <Library/PcdLib.h>
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/UefiLib.h>
+
+#include <VExpressMotherBoard.h>
+
+// This 'enum' is needed as variations based on existing platform exist
+typedef enum {
+ ARM_FVP_VEXPRESS_UNKNOWN = 0,
+ ARM_FVP_VEXPRESS_A9x4,
+ ARM_FVP_VEXPRESS_A15x1,
+ ARM_FVP_VEXPRESS_A15x2,
+ ARM_FVP_VEXPRESS_A15x4,
+ ARM_FVP_VEXPRESS_A15x1_A7x1,
+ ARM_FVP_VEXPRESS_A15x4_A7x4,
+ ARM_FVP_VEXPRESS_AEMv8x4,
+ ARM_FVP_BASE_AEMv8x4_AEMv8x4,
+ ARM_FVP_FOUNDATION,
+ ARM_HW_A9x4,
+ ARM_HW_A15x2_A7x3,
+ ARM_HW_A15,
+ ARM_HW_A5
+} ARM_VEXPRESS_PLATFORM_ID;
+
+typedef struct {
+ ARM_VEXPRESS_PLATFORM_ID Id;
+ // Will be extended with platform specific information
+} ARM_VEXPRESS_PLATFORM;
+
+// Array that contains the list of the VExpress based platform supported by this DXE driver
+extern CONST ARM_VEXPRESS_PLATFORM ArmVExpressPlatforms[];
+
+/**
+ Get information about the VExpress platform the firmware is running on given its Id.
+
+ @param[in] PlatformId Id of the VExpress platform.
+ @param[out] Platform Address where the pointer to the platform information
+ (type ARM_VEXPRESS_PLATFORM*) should be stored.
+ The returned pointer does not point to an allocated
+ memory area.
+
+ @retval EFI_SUCCESS The platform information was returned.
+ @retval EFI_NOT_FOUND The platform was not recognised.
+
+**/
+EFI_STATUS
+ArmVExpressGetPlatformFromId (
+ IN CONST ARM_VEXPRESS_PLATFORM_ID PlatformId,
+ OUT CONST ARM_VEXPRESS_PLATFORM** Platform
+ );
+
+/**
+
+ Get information about the VExpress platform the firmware is running on.
+
+ @param[out] Platform Address where the pointer to the platform information
+ (type ARM_VEXPRESS_PLATFORM*) should be stored.
+ The returned pointer does not point to an allocated
+ memory area.
+
+ @retval EFI_SUCCESS The platform information was returned.
+ @retval EFI_NOT_FOUND The platform was not recognised.
+
+**/
+EFI_STATUS
+ArmVExpressGetPlatform (
+ OUT CONST ARM_VEXPRESS_PLATFORM** Platform
+ );
+
+#endif // __ARM_VEXPRESS_INTERNAL_H__
diff --git a/ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibRTSM/RTSM.c b/ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibRTSM/RTSM.c index ea73f62956..6ec512bfb7 100644 --- a/ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibRTSM/RTSM.c +++ b/ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibRTSM/RTSM.c @@ -21,11 +21,6 @@ #include <ArmPlatform.h>
-UINTN
-ArmGetCpuCountPerCluster (
- VOID
- );
-
ARM_CORE_INFO mVersatileExpressMpCoreInfoTable[] = {
{
// Cluster 0, Core 0
diff --git a/ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibRTSM/RTSMFoundation.c b/ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibRTSM/RTSMFoundation.c index 1b1671a867..33bef8366d 100644 --- a/ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibRTSM/RTSMFoundation.c +++ b/ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibRTSM/RTSMFoundation.c @@ -21,12 +21,6 @@ #include <ArmPlatform.h>
-
-UINTN
-ArmGetCpuCountPerCluster (
- VOID
- );
-
ARM_CORE_INFO mVersatileExpressMpCoreInfoTable[] = {
{
// Cluster 0, Core 0
diff --git a/ArmPlatformPkg/Include/Library/ArmPlatformLib.h b/ArmPlatformPkg/Include/Library/ArmPlatformLib.h index 77561a3d05..fe3bc4bb8e 100644 --- a/ArmPlatformPkg/Include/Library/ArmPlatformLib.h +++ b/ArmPlatformPkg/Include/Library/ArmPlatformLib.h @@ -41,6 +41,19 @@ typedef struct { } ARM_SYSTEM_MEMORY_REGION_DESCRIPTOR;
/**
+ Return the core per cluster. The method may differ per core type
+
+ This function might be called from assembler before any stack is set.
+
+ @return Return the core count per cluster
+
+**/
+UINTN
+ArmGetCpuCountPerCluster (
+ VOID
+ );
+
+/**
Return the core position from the value of its MpId register
This function returns the core position from the position 0 in the processor.
|