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
2015-02-25 19:14:26 +00:00
parent df320b1084
commit dff720276a
11 changed files with 365 additions and 18 deletions
--- a/ArmPlatformPkg/ArmVExpressPkg/ArmVExpressDxe/ArmVExpressInternal.h
+++ 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__