[edk2-devel] [edk2-platforms: PATCH 10/14] Marvell/Armada80x0Db: Enable ACPI PCIE support
Marcin Wojtas
mw at semihalf.com
Thu May 9 09:53:38 UTC 2019
This patch adds description of the PCIE controller in
ACPI tables of Armada 8040 DB board.
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Marcin Wojtas <mw at semihalf.com>
---
Silicon/Marvell/Armada7k8k/AcpiTables/Armada80x0Db.inf | 1 +
Silicon/Marvell/Armada7k8k/AcpiTables/Armada80x0Db/Pcie.h | 25 +++
Silicon/Marvell/Armada7k8k/AcpiTables/Armada80x0Db/Dsdt.asl | 217 ++++++++++++++++++++
Silicon/Marvell/Armada7k8k/AcpiTables/Armada80x0Db/Mcfg.aslc | 47 +++++
4 files changed, 290 insertions(+)
create mode 100644 Silicon/Marvell/Armada7k8k/AcpiTables/Armada80x0Db/Pcie.h
create mode 100644 Silicon/Marvell/Armada7k8k/AcpiTables/Armada80x0Db/Mcfg.aslc
diff --git a/Silicon/Marvell/Armada7k8k/AcpiTables/Armada80x0Db.inf b/Silicon/Marvell/Armada7k8k/AcpiTables/Armada80x0Db.inf
index 35a679b..9b37eb7 100644
--- a/Silicon/Marvell/Armada7k8k/AcpiTables/Armada80x0Db.inf
+++ b/Silicon/Marvell/Armada7k8k/AcpiTables/Armada80x0Db.inf
@@ -25,6 +25,7 @@
[Sources]
Armada80x0Db/Dsdt.asl
+ Armada80x0Db/Mcfg.aslc
Fadt.aslc
Gtdt.aslc
Madt.aslc
diff --git a/Silicon/Marvell/Armada7k8k/AcpiTables/Armada80x0Db/Pcie.h b/Silicon/Marvell/Armada7k8k/AcpiTables/Armada80x0Db/Pcie.h
new file mode 100644
index 0000000..93631c2
--- /dev/null
+++ b/Silicon/Marvell/Armada7k8k/AcpiTables/Armada80x0Db/Pcie.h
@@ -0,0 +1,25 @@
+/**
+
+ Copyright (C) 2019, Marvell International Ltd. and its affiliates.
+
+ 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.
+
+**/
+
+#define PCI_BUS_MIN 0x0
+#define PCI_BUS_MAX 0x0
+#define PCI_BUS_COUNT 0x1
+#define PCI_MMIO32_BASE 0xC0000000
+#define PCI_MMIO32_SIZE 0x20000000
+#define PCI_MMIO64_BASE 0x800000000
+#define PCI_MMIO64_SIZE 0x100000000
+#define PCI_IO_BASE 0x0
+#define PCI_IO_SIZE 0x10000
+#define PCI_IO_TRANSLATION 0xEFF00000
+#define PCI_ECAM_BASE 0xE0008000
diff --git a/Silicon/Marvell/Armada7k8k/AcpiTables/Armada80x0Db/Dsdt.asl b/Silicon/Marvell/Armada7k8k/AcpiTables/Armada80x0Db/Dsdt.asl
index 7c65949..0f78e39 100644
--- a/Silicon/Marvell/Armada7k8k/AcpiTables/Armada80x0Db/Dsdt.asl
+++ b/Silicon/Marvell/Armada7k8k/AcpiTables/Armada80x0Db/Dsdt.asl
@@ -15,6 +15,7 @@
**/
+#include "Armada80x0Db/Pcie.h"
#include "IcuInterrupts.h"
DefinitionBlock ("DSDT.aml", "DSDT", 2, "MVEBU ", "ARMADA8K", 3)
@@ -326,5 +327,221 @@ DefinitionBlock ("DSDT.aml", "DSDT", 2, "MVEBU ", "ARMADA8K", 3)
}
})
}
+
+ //
+ // PCIe Root Bus
+ //
+ Device (PCI0)
+ {
+ Name (_HID, "PNP0A08" /* PCI Express Bus */) // _HID: Hardware ID
+ Name (_CID, "PNP0A03" /* PCI Bus */) // _CID: Compatible ID
+ Name (_SEG, 0x00) // _SEG: PCI Segment
+ Name (_BBN, 0x00) // _BBN: BIOS Bus Number
+ Name (_CCA, 0x01) // _CCA: Cache Coherency Attribute
+ Name (_PRT, Package () // _PRT: PCI Routing Table
+ {
+ Package () { 0xFFFF, 0x0, 0x0, 0x40 },
+ Package () { 0xFFFF, 0x1, 0x0, 0x40 },
+ Package () { 0xFFFF, 0x2, 0x0, 0x40 },
+ Package () { 0xFFFF, 0x3, 0x0, 0x40 }
+ })
+
+ Method (_CRS, 0, Serialized) // _CRS: Current Resource Settings
+ {
+ Name (RBUF, ResourceTemplate ()
+ {
+ WordBusNumber (ResourceProducer, MinFixed, MaxFixed, PosDecode,
+ 0x0000, // Granularity
+ PCI_BUS_MIN, // Range Minimum
+ PCI_BUS_MAX, // Range Maximum
+ 0x0000, // Translation Offset
+ PCI_BUS_COUNT // Length
+ )
+ DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed, NonCacheable, ReadWrite,
+ 0x00000000, // Granularity
+ PCI_MMIO32_BASE, // Range Minimum
+ 0xDFFFFFFF, // Range Maximum
+ 0x00000000, // Translation Offset
+ PCI_MMIO32_SIZE // Length
+ )
+ QWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed, NonCacheable, ReadWrite,
+ 0x0000000000000000, // Granularity
+ PCI_MMIO64_BASE, // Range Minimum
+ 0x8FFFFFFFF, // Range Maximum
+ 0x00000000, // Translation Offset
+ PCI_MMIO64_SIZE // Length
+ )
+ DWordIo (ResourceProducer, MinFixed, MaxFixed, PosDecode, EntireRange,
+ 0x00000000, // Granularity
+ PCI_IO_BASE, // Range Minimum
+ 0x0000FFFF, // Range Maximum
+ PCI_IO_TRANSLATION, // Translation Address
+ PCI_IO_SIZE, // Length
+ ,
+ ,
+ ,
+ TypeTranslation
+ )
+ })
+ Return (RBUF) /* \_SB_.PCI0._CRS.RBUF */
+ } // Method(_CRS)
+
+ Device (RES0)
+ {
+ Name (_HID, "PNP0C02")
+ Name (_CRS, ResourceTemplate ()
+ {
+ Memory32Fixed (ReadWrite,
+ PCI_ECAM_BASE,
+ 0x10000000
+ )
+ })
+ }
+ Name (SUPP, 0x00)
+ Name (CTRL, 0x00)
+ Method (_OSC, 4, NotSerialized) // _OSC: Operating System Capabilities
+ {
+ CreateDWordField (Arg3, 0x00, CDW1)
+ If (LEqual (Arg0, ToUUID ("33db4d5b-1ff7-401c-9657-7441c03dd766") /* PCI Host Bridge Device */))
+ {
+ CreateDWordField (Arg3, 0x04, CDW2)
+ CreateDWordField (Arg3, 0x08, CDW3)
+ Store (CDW2, SUPP) /* \_SB_.PCI0.SUPP */
+ Store (CDW3, CTRL) /* \_SB_.PCI0.CTRL */
+ If (LNotEqual (And (SUPP, 0x16), 0x16))
+ {
+ And (CTRL, 0x1E, CTRL) /* \_SB_.PCI0.CTRL */
+ }
+
+ And (CTRL, 0x1D, CTRL) /* \_SB_.PCI0.CTRL */
+ If (LNotEqual (Arg1, One))
+ {
+ Or (CDW1, 0x08, CDW1) /* \_SB_.PCI0._OSC.CDW1 */
+ }
+
+ If (LNotEqual (CDW3, CTRL))
+ {
+ Or (CDW1, 0x10, CDW1) /* \_SB_.PCI0._OSC.CDW1 */
+ }
+
+ Store (CTRL, CDW3) /* \_SB_.PCI0._OSC.CDW3 */
+ Return (Arg3)
+ }
+ Else
+ {
+ Or (CDW1, 0x04, CDW1) /* \_SB_.PCI0._OSC.CDW1 */
+ Return (Arg3)
+ }
+ } // Method(_OSC)
+
+ //
+ // Device-Specific Methods
+ //
+ Method(_DSM, 0x4, NotSerialized) {
+ If (LEqual(Arg0, ToUUID("E5C937D0-3553-4d7a-9117-EA4D19C3434D"))) {
+ switch (ToInteger(Arg2)) {
+ //
+ // Function 0: Return supported functions
+ //
+ case(0) {
+ Return (Buffer() {0xFF})
+ }
+
+ //
+ // Function 1: Return PCIe Slot Information
+ //
+ case(1) {
+ Return (Package(2) {
+ One, // Success
+ Package(3) {
+ 0x1, // x1 PCIe link
+ 0x1, // PCI express card slot
+ 0x1 // WAKE# signal supported
+ }
+ })
+ }
+
+ //
+ // Function 2: Return PCIe Slot Number.
+ //
+ case(2) {
+ Return (Package(1) {
+ Package(4) {
+ 2, // Source ID
+ 4, // Token ID: ID refers to a slot
+ 0, // Start bit of the field to use.
+ 7 // End bit of the field to use.
+ }
+ })
+ }
+
+ //
+ // Function 4: Return PCI Bus Capabilities
+ //
+ case(4) {
+ Return (Package(2) {
+ One, // Success
+ Buffer() {
+ 1,0, // Version
+ 0,0, // Status, 0:Success
+ 24,0,0,0, // Length
+ 1,0, // PCI
+ 16,0, // Length
+ 0, // Attributes
+ 0x0D, // Current Speed/Mode
+ 0x3F,0, // Supported Speeds/Modes
+ 0, // Voltage
+ 0,0,0,0,0,0,0 // Reserved
+ }
+ })
+ }
+
+ //
+ // Function 5: Return Ignore PCI Boot Configuration
+ //
+ case(5) {
+ Return (Package(1) {1})
+ }
+
+ //
+ // Function 6: Return LTR Maximum Latency
+ //
+ case(6) {
+ Return (Package(4) {
+ Package(1){0}, // Maximum Snoop Latency Scale
+ Package(1){0}, // Maximum Snoop Latency Value
+ Package(1){0}, // Maximum No-Snoop Latency Scale
+ Package(1){0} // Maximum No-Snoop Latency Value
+ })
+ }
+
+ //
+ // Function 7: Return PCI Express Naming
+ //
+ case(7) {
+ Return (Package(2) {
+ Package(1) {0},
+ Package(1) {Unicode("PCI0")}
+ })
+ }
+
+ //
+ // Not supported
+ //
+ default {
+ }
+ }
+ }
+ Return (Buffer(){0})
+ } // Method(_DSM)
+
+ //
+ // Root-Complex 0
+ //
+ Device (RP0)
+ {
+ Name (_ADR, PCI_ECAM_BASE) // _ADR: Bus 0, Dev 0, Func 0
+ }
+ }
}
}
diff --git a/Silicon/Marvell/Armada7k8k/AcpiTables/Armada80x0Db/Mcfg.aslc b/Silicon/Marvell/Armada7k8k/AcpiTables/Armada80x0Db/Mcfg.aslc
new file mode 100644
index 0000000..da152b7
--- /dev/null
+++ b/Silicon/Marvell/Armada7k8k/AcpiTables/Armada80x0Db/Mcfg.aslc
@@ -0,0 +1,47 @@
+/** @file
+
+ Memory mapped config space base address table (MCFG)
+
+ Copyright (c) 2017, Linaro Ltd. All rights reserved.<BR>
+ Copyright (c) 2019, Marvell International Ltd. and its affiliates.<BR>
+
+ 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 <Library/AcpiLib.h>
+
+#include "AcpiHeader.h"
+#include "Armada80x0Db/Pcie.h"
+
+#include <IndustryStandard/MemoryMappedConfigurationSpaceAccessTable.h>
+
+#pragma pack(1)
+typedef struct {
+ EFI_ACPI_MEMORY_MAPPED_CONFIGURATION_BASE_ADDRESS_TABLE_HEADER Header;
+ EFI_ACPI_MEMORY_MAPPED_ENHANCED_CONFIGURATION_SPACE_BASE_ADDRESS_ALLOCATION_STRUCTURE Structure;
+} ACPI_6_0_MCFG_STRUCTURE;
+#pragma pack()
+
+STATIC ACPI_6_0_MCFG_STRUCTURE Mcfg = {
+ {
+ __ACPI_HEADER (EFI_ACPI_5_0_PCI_EXPRESS_MEMORY_MAPPED_CONFIGURATION_SPACE_BASE_ADDRESS_DESCRIPTION_TABLE_SIGNATURE,
+ ACPI_6_0_MCFG_STRUCTURE,
+ EFI_ACPI_MEMORY_MAPPED_CONFIGURATION_SPACE_ACCESS_TABLE_REVISION),
+ EFI_ACPI_RESERVED_QWORD
+ }, {
+ PCI_ECAM_BASE, // BaseAddress
+ 0, // PciSegmentGroupNumber
+ PCI_BUS_MIN, // StartBusNumber
+ PCI_BUS_MAX, // EndBusNumber
+ EFI_ACPI_RESERVED_DWORD // Reserved
+ }
+};
+
+VOID CONST * CONST ReferenceAcpiTable = &Mcfg;
--
2.7.4
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