[edk2-devel] [PATCH V0 4/4] Platform/NXP/LS1046aFrwyPkg: Add OEM specific DSDT generator
Vikas Singh via groups.io
vikas.singh=puresoftware.com at groups.io
Tue Jun 1 13:50:34 UTC 2021
This patch adds platform specific DSDT generator
and Clk dsdt properties for LS1046AFRWY platform.
Signed-off-by: Vikas Singh <vikas.singh at puresoftware.com>
---
.../AcpiTablesInclude/Dsdt/Clk.asl | 60 ++++++++
.../AcpiTablesInclude/Dsdt/Dsdt.asl | 15 ++
.../AcpiTablesInclude/PlatformAcpiDsdtLib.inf | 39 +++++
.../PlatformAcpiDsdtLib/RawDsdtGenerator.c | 138 ++++++++++++++++++
.../AcpiTablesInclude/PlatformAcpiLib.h | 23 +++
.../NXP/LS1046aFrwyPkg/Include/Platform.h | 6 +-
.../NXP/LS1046aFrwyPkg/LS1046aFrwyPkg.dsc | 1 +
7 files changed, 281 insertions(+), 1 deletion(-)
create mode 100644 Platform/NXP/LS1046aFrwyPkg/AcpiTablesInclude/Dsdt/Clk.asl
create mode 100644 Platform/NXP/LS1046aFrwyPkg/AcpiTablesInclude/Dsdt/Dsdt.asl
create mode 100644 Platform/NXP/LS1046aFrwyPkg/AcpiTablesInclude/PlatformAcpiDsdtLib.inf
create mode 100644 Platform/NXP/LS1046aFrwyPkg/AcpiTablesInclude/PlatformAcpiDsdtLib/RawDsdtGenerator.c
create mode 100644 Platform/NXP/LS1046aFrwyPkg/AcpiTablesInclude/PlatformAcpiLib.h
diff --git a/Platform/NXP/LS1046aFrwyPkg/AcpiTablesInclude/Dsdt/Clk.asl b/Platform/NXP/LS1046aFrwyPkg/AcpiTablesInclude/Dsdt/Clk.asl
new file mode 100644
index 0000000000..58541c3019
--- /dev/null
+++ b/Platform/NXP/LS1046aFrwyPkg/AcpiTablesInclude/Dsdt/Clk.asl
@@ -0,0 +1,60 @@
+/** @file
+* DSDT : Dynamic Clock ACPI Information
+*
+* Copyright 2021 NXP
+* Copyright 2021 Puresoftware Ltd.
+*
+* SPDX-License-Identifier: BSD-2-Clause-Patent
+*
+**/
+
+Scope(_SB)
+{
+ Device(PCLK) {
+ Name(_HID, "NXP0017")
+ Name(CLK, 0) // Maximum Platform Clock (Hz)
+ Name(CCLK, 0) // Maximum CPU Core Clock (MHz)
+ Name(AVBL, 0)
+ OperationRegion(RCWS, SystemMemory, DCFG_BASE, DCFG_LEN)
+ Method(_REG,2) {
+ if (Arg0 == "RCWS") {
+ Store(Arg1, AVBL)
+ }
+ }
+ Field (RCWS, ByteAcc, NoLock, Preserve) {
+ /* The below table provides the func of diff bits in 512 bits RCW data:
+ SYS_PLL_CFG : 0-1 bits
+ SYS_PLL_RAT : 2-6 bits
+ SYSCLK_FREQ : 472-481 bits etc.
+ Refer LS1046ARM for more info.
+ For LS1046 RCWSRs are read as RCW[0:31] .
+ */
+ offset(0x100),
+ RESV, 1,
+ PRAT, 5,
+ PCFG, 2,
+ offset(0x103),
+ CPRT, 6, // Cluster Group PLL Multiplier ratio
+ offset(0x13B),
+ HFRQ, 8, // Higher 8 bits of SYSCLK_FREQ
+ RESX, 6,
+ LFRQ, 2 // Lower bits of SYSCLK_FREQ
+ }
+
+ Method(_INI, 0, NotSerialized) {
+ /* Calculating Platform Clock */
+ Local0 = (HFRQ<<2 | LFRQ) // Concatinating LFRQ at end of HFRQ
+ Multiply(Local0, 500000, Local0)
+ Multiply(Local0, PRAT, Local0)
+ Divide(Local0, 3, , Local0)
+ Store(Local0, CLK)
+
+ /* Calculating Maximum Core Clock */
+ Local0 = (HFRQ<<2 | LFRQ) // Concatinating LFRQ at end of HFRQ
+ Multiply(Local0, 500000, Local0)
+ Divide(Local0, 3, , Local0)
+ Divide(Local0, 1000000, , Local0) //Just the MHz part of SYSCLK.
+ Multiply(Local0, CPRT, CCLK) // PLL_Ratio * SYSCLK, Max freq of cluster
+ }
+ } // end of device PCLK
+}
diff --git a/Platform/NXP/LS1046aFrwyPkg/AcpiTablesInclude/Dsdt/Dsdt.asl b/Platform/NXP/LS1046aFrwyPkg/AcpiTablesInclude/Dsdt/Dsdt.asl
new file mode 100644
index 0000000000..19f3f1c0e8
--- /dev/null
+++ b/Platform/NXP/LS1046aFrwyPkg/AcpiTablesInclude/Dsdt/Dsdt.asl
@@ -0,0 +1,15 @@
+/** @file
+ Differentiated System Description Table Fields (DSDT)
+
+ Copyright 2021 NXP
+ Copyright 2021 Puresoftware Ltd.
+
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include "Platform.h"
+
+DefinitionBlock("DsdtTable.aml", "DSDT", 2, "NXP ", "LS1046 ", EFI_ACPI_ARM_OEM_REVISION) {
+ include ("Clk.asl")
+}
diff --git a/Platform/NXP/LS1046aFrwyPkg/AcpiTablesInclude/PlatformAcpiDsdtLib.inf b/Platform/NXP/LS1046aFrwyPkg/AcpiTablesInclude/PlatformAcpiDsdtLib.inf
new file mode 100644
index 0000000000..ed5f9dd442
--- /dev/null
+++ b/Platform/NXP/LS1046aFrwyPkg/AcpiTablesInclude/PlatformAcpiDsdtLib.inf
@@ -0,0 +1,39 @@
+## @file
+# Raw Table Generator
+#
+# Copyright 2021 NXP
+# Copyright 2021 Puresoftware Ltd
+#
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+##
+
+[Defines]
+ INF_VERSION = 0x00010019
+ BASE_NAME = PlatformAcpiDsdtLib
+ FILE_GUID = A97F70AC-3BB4-4596-B4D2-9F948EC12D17
+ VERSION_STRING = 1.0
+ MODULE_TYPE = DXE_DRIVER
+ LIBRARY_CLASS = NULL|DXE_DRIVER
+ CONSTRUCTOR = AcpiDsdtLibConstructor
+ DESTRUCTOR = AcpiDsdtLibDestructor
+
+[Sources]
+ PlatformAcpiDsdtLib/RawDsdtGenerator.c
+ Dsdt/Dsdt.asl
+
+[Packages]
+ DynamicTablesPkg/DynamicTablesPkg.dec
+ EmbeddedPkg/EmbeddedPkg.dec
+ MdePkg/MdePkg.dec
+ MdeModulePkg/MdeModulePkg.dec
+ Platform/NXP/LS1046aFrwyPkg/LS1046aFrwyPkg.dec
+ Platform/NXP/ConfigurationManagerPkg/ConfigurationManagerPkg.dec
+
+[LibraryClasses]
+ BaseLib
+
+[Pcd]
+
+[Protocols]
+
+[Guids]
diff --git a/Platform/NXP/LS1046aFrwyPkg/AcpiTablesInclude/PlatformAcpiDsdtLib/RawDsdtGenerator.c b/Platform/NXP/LS1046aFrwyPkg/AcpiTablesInclude/PlatformAcpiDsdtLib/RawDsdtGenerator.c
new file mode 100644
index 0000000000..7d886396ca
--- /dev/null
+++ b/Platform/NXP/LS1046aFrwyPkg/AcpiTablesInclude/PlatformAcpiDsdtLib/RawDsdtGenerator.c
@@ -0,0 +1,138 @@
+/** @file
+ Raw DSDT Table Generator
+
+ Copyright 2021 NXP
+ Copyright 2021 Puresoftware Ltd.
+
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include <Library/AcpiLib.h>
+#include <Library/DebugLib.h>
+#include <Protocol/AcpiTable.h>
+
+// Module specific include files.
+#include <AcpiTableGenerator.h>
+#include <ConfigurationManagerObject.h>
+#include <ConfigurationManagerHelper.h>
+#include <Library/TableHelperLib.h>
+#include <Protocol/ConfigurationManagerProtocol.h>
+
+#include "PlatformAcpiLib.h"
+
+/** Construct the ACPI table using the ACPI table data provided.
+ This function invokes the Configuration Manager protocol interface
+ to get the required hardware information for generating the ACPI
+ table.
+ If this function allocates any resources then they must be freed
+ in the FreeXXXXTableResources function.
+ @param [in] This Pointer to the table generator.
+ @param [in] AcpiTableInfo Pointer to the ACPI Table Info.
+ @param [in] CfgMgrProtocol Pointer to the Configuration Manager
+ Protocol Interface.
+ @param [out] Table Pointer to the constructed ACPI Table.
+ @retval EFI_SUCCESS Table generated successfully.
+ @retval EFI_INVALID_PARAMETER A parameter is invalid.
+**/
+STATIC
+EFI_STATUS
+EFIAPI
+BuildRawDsdtTable (
+ IN CONST ACPI_TABLE_GENERATOR * CONST This,
+ IN CONST CM_STD_OBJ_ACPI_TABLE_INFO * CONST AcpiTableInfo,
+ IN CONST EDKII_CONFIGURATION_MANAGER_PROTOCOL * CONST CfgMgrProtocol,
+ OUT EFI_ACPI_DESCRIPTION_HEADER ** CONST Table
+ )
+{
+ ASSERT (This != NULL);
+ ASSERT (AcpiTableInfo != NULL);
+ ASSERT (CfgMgrProtocol != NULL);
+ ASSERT (Table != NULL);
+ ASSERT (AcpiTableInfo->TableGeneratorId == This->GeneratorID);
+
+ if (AcpiTableInfo->AcpiTableData == NULL) {
+ // Add the dsdt aml code here.
+ *Table = (EFI_ACPI_DESCRIPTION_HEADER *)&dsdt_aml_code;
+ }
+
+ return EFI_SUCCESS;
+}
+
+/** This macro defines the Raw Generator revision.
+*/
+#define DSDT_GENERATOR_REVISION CREATE_REVISION (1, 0)
+
+/** The interface for the Raw Table Generator.
+*/
+STATIC
+CONST
+ACPI_TABLE_GENERATOR RawDsdtGenerator = {
+ // Generator ID
+ CREATE_OEM_ACPI_TABLE_GEN_ID (PlatAcpiTableIdDsdt),
+ // Generator Description
+ L"ACPI.OEM.RAW.DSDT.GENERATOR",
+ // ACPI Table Signature - Unused
+ 0,
+ // ACPI Table Revision - Unused
+ 0,
+ // Minimum ACPI Table Revision - Unused
+ 0,
+ // Creator ID
+ TABLE_GENERATOR_CREATOR_ID_ARM,
+ // Creator Revision
+ DSDT_GENERATOR_REVISION,
+ // Build Table function
+ BuildRawDsdtTable,
+ // No additional resources are allocated by the generator.
+ // Hence the Free Resource function is not required.
+ NULL,
+ // Extended build function not needed
+ NULL,
+ // Extended build function not implemented by the generator.
+ // Hence extended free resource function is not required.
+ NULL
+};
+
+/** Register the Generator with the ACPI Table Factory.
+ @param [in] ImageHandle The handle to the image.
+ @param [in] SystemTable Pointer to the System Table.
+ @retval EFI_SUCCESS The Generator is registered.
+ @retval EFI_INVALID_PARAMETER A parameter is invalid.
+ @retval EFI_ALREADY_STARTED The Generator for the Table ID
+ is already registered.
+**/
+EFI_STATUS
+EFIAPI
+AcpiDsdtLibConstructor (
+ IN CONST EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE * CONST SystemTable
+ )
+{
+ EFI_STATUS Status;
+ Status = RegisterAcpiTableGenerator (&RawDsdtGenerator);
+ DEBUG ((DEBUG_INFO, "OEM: Register DSDT Generator. Status = %r\n", Status));
+ ASSERT_EFI_ERROR (Status);
+ return Status;
+}
+
+/** Deregister the Generator from the ACPI Table Factory.
+ @param [in] ImageHandle The handle to the image.
+ @param [in] SystemTable Pointer to the System Table.
+ @retval EFI_SUCCESS The Generator is deregistered.
+ @retval EFI_INVALID_PARAMETER A parameter is invalid.
+ @retval EFI_NOT_FOUND The Generator is not registered.
+**/
+EFI_STATUS
+EFIAPI
+AcpiDsdtLibDestructor (
+ IN CONST EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE * CONST SystemTable
+ )
+{
+ EFI_STATUS Status;
+ Status = DeregisterAcpiTableGenerator (&RawDsdtGenerator);
+ DEBUG ((DEBUG_INFO, "OEM: Deregister DSDT Generator. Status = %r\n", Status));
+ ASSERT_EFI_ERROR (Status);
+ return Status;
+}
diff --git a/Platform/NXP/LS1046aFrwyPkg/AcpiTablesInclude/PlatformAcpiLib.h b/Platform/NXP/LS1046aFrwyPkg/AcpiTablesInclude/PlatformAcpiLib.h
new file mode 100644
index 0000000000..e5f907a7d4
--- /dev/null
+++ b/Platform/NXP/LS1046aFrwyPkg/AcpiTablesInclude/PlatformAcpiLib.h
@@ -0,0 +1,23 @@
+/** @file
+ * Acpi lib headers
+ *
+ * Copyright 2021 NXP
+ * Copyright 2021 Puresoftware Ltd
+ *
+ * SPDX-License-Identifier: BSD-2-Clause-Patent
+ *
+**/
+
+
+#ifndef LS1046AFRWY_PLATFORM_ACPI_LIB_H
+#define LS1046AFRWY_PLATFORM_ACPI_LIB_H
+
+#include <PlatformAcpiTableGenerator.h>
+
+/** C array containing the compiled AML template.
+ These symbols are defined in the auto generated C file
+ containing the AML bytecode array.
+*/
+extern CHAR8 dsdt_aml_code[];
+
+#endif
diff --git a/Platform/NXP/LS1046aFrwyPkg/Include/Platform.h b/Platform/NXP/LS1046aFrwyPkg/Include/Platform.h
index 19e879ec6d..b21e875f20 100644
--- a/Platform/NXP/LS1046aFrwyPkg/Include/Platform.h
+++ b/Platform/NXP/LS1046aFrwyPkg/Include/Platform.h
@@ -20,6 +20,10 @@
#define SVR_MAJOR(svr) (((svr) >> 4) & 0xf)
#define SVR_MINOR(svr) (((svr) >> 0) & 0xf)
+// PCLK : Dynamic Clock
+#define DCFG_BASE 0x1EE0000 /* Device configuration data Base Address */
+#define DCFG_LEN 0xFFF /* Device configuration data length */
+
// Gic
#define GIC_VERSION 2
#define GICD_BASE 0x1410000
@@ -62,7 +66,7 @@
#define CFG_MGR_TABLE_ID SIGNATURE_64 ('L','S','1','0','4','6',' ',' ')
// Specify the OEM defined tables
-#define OEM_ACPI_TABLES 0
+#define OEM_ACPI_TABLES 1 // Added DSDT
#define PLAT_PCI_SEG0 LS1046A_PCI_SEG0
#define PLAT_PCI_SEG1_CONFIG_BASE LS1046A_PCI_SEG1_CONFIG_BASE
diff --git a/Platform/NXP/LS1046aFrwyPkg/LS1046aFrwyPkg.dsc b/Platform/NXP/LS1046aFrwyPkg/LS1046aFrwyPkg.dsc
index 20111e6037..7041d15da5 100755
--- a/Platform/NXP/LS1046aFrwyPkg/LS1046aFrwyPkg.dsc
+++ b/Platform/NXP/LS1046aFrwyPkg/LS1046aFrwyPkg.dsc
@@ -65,6 +65,7 @@
NULL|DynamicTablesPkg/Library/Acpi/Arm/AcpiMadtLibArm/AcpiMadtLibArm.inf
NULL|DynamicTablesPkg/Library/Acpi/Arm/AcpiMcfgLibArm/AcpiMcfgLibArm.inf
NULL|DynamicTablesPkg/Library/Acpi/Arm/AcpiSpcrLibArm/AcpiSpcrLibArm.inf
+ NULL|Platform/NXP/LS1046aFrwyPkg/AcpiTablesInclude/PlatformAcpiDsdtLib.inf
}
!endif
--
2.25.1
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