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| author | Olivier Martin <olivier.martin@arm.com> | 2015-01-23 16:03:09 +0000 |
|---|---|---|
| committer | oliviermartin <oliviermartin@Edk2> | 2015-01-23 16:03:09 +0000 |
| commit | 3399d5beb86deccd064f915fe59ebfa0176ee7bc (patch) | |
| tree | 62a516cd2cc4d506651a28cc17507308916a4ee3 /ArmPlatformPkg/ArmJunoPkg/AcpiTables/Gtdt.aslc | |
| parent | 05e56470cd68d378fc6d282a51e8bb6ae640b1dc (diff) | |
| download | edk2-platforms-3399d5beb86deccd064f915fe59ebfa0176ee7bc.tar.xz | |
ArmPlatformPkg/ArmJunoPkg: Added the ACPI 5.0 Tables
These tables are:
- Differentiated System Description Table Fields (DSDT)
- Firmware ACPI Control Structure (FACS)
- Fixed ACPI Description Table (FADT)
- Generic Timer Description Table (GTDT)
- Multiple APIC Description Table (MADT)
- Secondary System Description Table Fields (SSDT)
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Olivier Martin <olivier.martin@arm.com>
Reviewed-by: Graeme Gregory <graeme.gregory@linaro.org>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16652 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'ArmPlatformPkg/ArmJunoPkg/AcpiTables/Gtdt.aslc')
| -rw-r--r-- | ArmPlatformPkg/ArmJunoPkg/AcpiTables/Gtdt.aslc | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/ArmPlatformPkg/ArmJunoPkg/AcpiTables/Gtdt.aslc b/ArmPlatformPkg/ArmJunoPkg/AcpiTables/Gtdt.aslc new file mode 100644 index 0000000000..ac74fbcabf --- /dev/null +++ b/ArmPlatformPkg/ArmJunoPkg/AcpiTables/Gtdt.aslc @@ -0,0 +1,70 @@ +/** @file
+* Generic Timer Description Table (GTDT)
+*
+* Copyright (c) 2012 - 2014, 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 "ArmPlatform.h"
+#include <Library/AcpiLib.h>
+#include <Library/PcdLib.h>
+#include <IndustryStandard/Acpi.h>
+
+#define GTDT_GLOBAL_FLAGS_MAPPED EFI_ACPI_5_0_GTDT_GLOBAL_FLAG_MEMORY_MAPPED_BLOCK_PRESENT
+#define GTDT_GLOBAL_FLAGS_NOT_MAPPED 0
+#define GTDT_GLOBAL_FLAGS_EDGE EFI_ACPI_5_0_GTDT_GLOBAL_FLAG_INTERRUPT_MODE
+#define GTDT_GLOBAL_FLAGS_LEVEL 0
+
+// Note: We could have a build flag that switches between memory mapped/non-memory mapped timer
+#ifdef SYSTEM_TIMER_BASE_ADDRESS
+ #define GTDT_GLOBAL_FLAGS (GTDT_GLOBAL_FLAGS_MAPPED | GTDT_GLOBAL_FLAGS_LEVEL)
+#else
+ #define GTDT_GLOBAL_FLAGS (GTDT_GLOBAL_FLAGS_NOT_MAPPED | GTDT_GLOBAL_FLAGS_LEVEL)
+ #define SYSTEM_TIMER_BASE_ADDRESS 0
+#endif
+
+#define GTDT_TIMER_EDGE_TRIGGERED (1 << EFI_ACPI_5_0_GTDT_TIMER_FLAG_TIMER_INTERRUPT_MODE)
+#define GTDT_TIMER_LEVEL_TRIGGERED (0 << EFI_ACPI_5_0_GTDT_TIMER_FLAG_TIMER_INTERRUPT_MODE)
+#define GTDT_TIMER_ACTIVE_LOW (1 << EFI_ACPI_5_0_GTDT_TIMER_FLAG_TIMER_INTERRUPT_POLARITY)
+#define GTDT_TIMER_ACTIVE_HIGH (0 << EFI_ACPI_5_0_GTDT_TIMER_FLAG_TIMER_INTERRUPT_POLARITY)
+
+#define GTDT_GTIMER_FLAGS (GTDT_TIMER_ACTIVE_LOW | GTDT_TIMER_LEVEL_TRIGGERED)
+
+EFI_ACPI_5_0_GENERIC_TIMER_DESCRIPTION_TABLE Gtdt = {
+ ARM_ACPI_HEADER(
+ EFI_ACPI_5_0_GENERIC_TIMER_DESCRIPTION_TABLE_SIGNATURE,
+ EFI_ACPI_5_0_GENERIC_TIMER_DESCRIPTION_TABLE,
+ EFI_ACPI_5_0_GENERIC_TIMER_DESCRIPTION_TABLE_REVISION
+ ),
+ SYSTEM_TIMER_BASE_ADDRESS, // UINT64 PhysicalAddress
+ GTDT_GLOBAL_FLAGS, // UINT32 GlobalFlags
+ FixedPcdGet32 (PcdArmArchTimerSecIntrNum), // UINT32 SecurePL1TimerGSIV
+ GTDT_GTIMER_FLAGS, // UINT32 SecurePL1TimerFlags
+ FixedPcdGet32 (PcdArmArchTimerIntrNum), // UINT32 NonSecurePL1TimerGSIV
+ GTDT_GTIMER_FLAGS, // UINT32 NonSecurePL1TimerFlags
+ FixedPcdGet32 (PcdArmArchTimerVirtIntrNum), // UINT32 VirtualTimerGSIV
+ GTDT_GTIMER_FLAGS, // UINT32 VirtualTimerFlags
+ FixedPcdGet32 (PcdArmArchTimerHypIntrNum), // UINT32 NonSecurePL2TimerGSIV
+ GTDT_GTIMER_FLAGS // UINT32 NonSecurePL2TimerFlags
+};
+
+
+VOID*
+ReferenceAcpiTable (
+ VOID
+ )
+{
+ //
+ // Reference the table being generated to prevent the optimizer from removing the
+ // data structure from the exeutable
+ //
+ return (VOID*)&Gtdt;
+}
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