diff options
3 files changed, 86 insertions, 71 deletions
diff --git a/DynamicTablesPkg/Library/FdtHwInfoParserLib/Arm/ArmFdtInterrupt.c b/DynamicTablesPkg/Library/FdtHwInfoParserLib/Arm/ArmFdtInterrupt.c new file mode 100644 index 0000000000..21b1306e57 --- /dev/null +++ b/DynamicTablesPkg/Library/FdtHwInfoParserLib/Arm/ArmFdtInterrupt.c @@ -0,0 +1,85 @@ +/** @file
+ Flattened device tree utility.
+
+ Copyright (c) 2021, ARM Limited. All rights reserved.<BR>
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+ @par Reference(s):
+ - Device tree Specification - Release v0.3
+ - linux/Documentation/devicetree/bindings/interrupt-controller/arm%2Cgic.yaml
+ - linux//Documentation/devicetree/bindings/interrupt-controller/arm%2Cgic.yaml
+**/
+
+#include <FdtHwInfoParserInclude.h>
+#include "FdtUtility.h"
+
+/** Get the interrupt Id of an interrupt described in a fdt.
+
+ Data must describe a GIC interrupt. A GIC interrupt is on at least
+ 3 UINT32 cells.
+ This function DOES NOT SUPPORT extended SPI range and extended PPI range.
+
+ @param [in] Data Pointer to the first cell of an "interrupts" property.
+
+ @retval The interrupt id.
+**/
+UINT32
+EFIAPI
+FdtGetInterruptId (
+ UINT32 CONST *Data
+ )
+{
+ UINT32 IrqType;
+ UINT32 IrqId;
+
+ ASSERT (Data != NULL);
+
+ IrqType = fdt32_to_cpu (Data[IRQ_TYPE_OFFSET]);
+ IrqId = fdt32_to_cpu (Data[IRQ_NUMBER_OFFSET]);
+
+ switch (IrqType) {
+ case DT_SPI_IRQ:
+ IrqId += SPI_OFFSET;
+ break;
+
+ case DT_PPI_IRQ:
+ IrqId += PPI_OFFSET;
+ break;
+
+ default:
+ ASSERT (0);
+ IrqId = 0;
+ }
+
+ return IrqId;
+}
+
+/** Get the ACPI interrupt flags of an interrupt described in a fdt.
+
+ Data must describe a GIC interrupt. A GIC interrupt is on at least
+ 3 UINT32 cells.
+
+ PPI interrupt cpu mask on bits [15:8] are ignored.
+
+ @param [in] Data Pointer to the first cell of an "interrupts" property.
+
+ @retval The interrupt flags (for ACPI).
+**/
+UINT32
+EFIAPI
+FdtGetInterruptFlags (
+ UINT32 CONST *Data
+ )
+{
+ UINT32 IrqFlags;
+ UINT32 AcpiIrqFlags;
+
+ ASSERT (Data != NULL);
+
+ IrqFlags = fdt32_to_cpu (Data[IRQ_FLAGS_OFFSET]);
+
+ AcpiIrqFlags = DT_IRQ_IS_EDGE_TRIGGERED (IrqFlags) ? BIT0 : 0;
+ AcpiIrqFlags |= DT_IRQ_IS_ACTIVE_LOW (IrqFlags) ? BIT1 : 0;
+
+ return AcpiIrqFlags;
+}
diff --git a/DynamicTablesPkg/Library/FdtHwInfoParserLib/FdtHwInfoParserLib.inf b/DynamicTablesPkg/Library/FdtHwInfoParserLib/FdtHwInfoParserLib.inf index d3010af527..c8511ab4dd 100644 --- a/DynamicTablesPkg/Library/FdtHwInfoParserLib/FdtHwInfoParserLib.inf +++ b/DynamicTablesPkg/Library/FdtHwInfoParserLib/FdtHwInfoParserLib.inf @@ -28,6 +28,7 @@ Serial/SerialPortParser.h
[Sources.ARM, Sources.AARCH64]
+ Arm/ArmFdtInterrupt.c
Arm/ArmFdtHwInfoParser.c
Arm/BootArch/ArmBootArchParser.c
Arm/BootArch/ArmBootArchParser.h
diff --git a/DynamicTablesPkg/Library/FdtHwInfoParserLib/FdtUtility.c b/DynamicTablesPkg/Library/FdtHwInfoParserLib/FdtUtility.c index 5314cf3808..bab2285759 100644 --- a/DynamicTablesPkg/Library/FdtHwInfoParserLib/FdtUtility.c +++ b/DynamicTablesPkg/Library/FdtHwInfoParserLib/FdtUtility.c @@ -13,77 +13,6 @@ #include <FdtHwInfoParserInclude.h>
#include "FdtUtility.h"
-/** Get the interrupt Id of an interrupt described in a fdt.
-
- Data must describe a GIC interrupt. A GIC interrupt is on at least
- 3 UINT32 cells.
- This function DOES NOT SUPPORT extended SPI range and extended PPI range.
-
- @param [in] Data Pointer to the first cell of an "interrupts" property.
-
- @retval The interrupt id.
-**/
-UINT32
-EFIAPI
-FdtGetInterruptId (
- UINT32 CONST *Data
- )
-{
- UINT32 IrqType;
- UINT32 IrqId;
-
- ASSERT (Data != NULL);
-
- IrqType = fdt32_to_cpu (Data[IRQ_TYPE_OFFSET]);
- IrqId = fdt32_to_cpu (Data[IRQ_NUMBER_OFFSET]);
-
- switch (IrqType) {
- case DT_SPI_IRQ:
- IrqId += SPI_OFFSET;
- break;
-
- case DT_PPI_IRQ:
- IrqId += PPI_OFFSET;
- break;
-
- default:
- ASSERT (0);
- IrqId = 0;
- }
-
- return IrqId;
-}
-
-/** Get the ACPI interrupt flags of an interrupt described in a fdt.
-
- Data must describe a GIC interrupt. A GIC interrupt is on at least
- 3 UINT32 cells.
-
- PPI interrupt cpu mask on bits [15:8] are ignored.
-
- @param [in] Data Pointer to the first cell of an "interrupts" property.
-
- @retval The interrupt flags (for ACPI).
-**/
-UINT32
-EFIAPI
-FdtGetInterruptFlags (
- UINT32 CONST *Data
- )
-{
- UINT32 IrqFlags;
- UINT32 AcpiIrqFlags;
-
- ASSERT (Data != NULL);
-
- IrqFlags = fdt32_to_cpu (Data[IRQ_FLAGS_OFFSET]);
-
- AcpiIrqFlags = DT_IRQ_IS_EDGE_TRIGGERED (IrqFlags) ? BIT0 : 0;
- AcpiIrqFlags |= DT_IRQ_IS_ACTIVE_LOW (IrqFlags) ? BIT1 : 0;
-
- return AcpiIrqFlags;
-}
-
/** Check whether a node has the input name.
@param [in] Fdt Pointer to a Flattened Device Tree.
|