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Diffstat (limited to 'Silicon/Socionext/SynQuacer/AcpiTables/AcpiSsdtRootPci.asl')
| -rw-r--r-- | Silicon/Socionext/SynQuacer/AcpiTables/AcpiSsdtRootPci.asl | 262 |
1 files changed, 262 insertions, 0 deletions
diff --git a/Silicon/Socionext/SynQuacer/AcpiTables/AcpiSsdtRootPci.asl b/Silicon/Socionext/SynQuacer/AcpiTables/AcpiSsdtRootPci.asl new file mode 100644 index 0000000000..3f0ee2cdb4 --- /dev/null +++ b/Silicon/Socionext/SynQuacer/AcpiTables/AcpiSsdtRootPci.asl @@ -0,0 +1,262 @@ +/** @file
+ Secondary System Description Table (SSDT) for SynQuacer PCIe RCs
+
+ Copyright (c) 2014-2016, ARM Ltd. All rights reserved.<BR>
+ Copyright (c) 2018, Linaro Ltd. All rights reserved.<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 <Platform/Pcie.h>
+
+#include "AcpiTables.h"
+
+DefinitionBlock ("SsdtPci.aml", "SSDT", 1, "SNI", "SYNQUACR",
+ EFI_ACPI_OEM_REVISION)
+{
+ Scope (_SB)
+ {
+ Device (PCI0)
+ {
+ Name (_HID, EISAID("PNP0A08")) // PCI Express Root Bridge
+ Name (_CID, EISAID("PNP0A03")) // Compatible PCI Root Bridge
+ Name (_SEG, 0) // PCI Segment Group number
+ Name (_BBN, Zero) // PCI Base Bus Number
+ Name (_CCA, 1) // Cache Coherency Attribute
+
+ // PCI Routing Table
+ Name (_PRT, Package () {
+ Package () { 0xFFFF, 0, Zero, 222 }, // INTA
+ Package () { 0xFFFF, 1, Zero, 222 }, // INTB
+ Package () { 0xFFFF, 2, Zero, 222 }, // INTC
+ Package () { 0xFFFF, 3, Zero, 222 }, // INTD
+ })
+ // Root complex resources
+ Method (_CRS, 0, Serialized) {
+ Name (RBUF, ResourceTemplate () {
+ WordBusNumber ( // Bus numbers assigned to this root
+ ResourceProducer,
+ MinFixed, MaxFixed, PosDecode,
+ 0, // AddressGranularity
+ SYNQUACER_PCI_SEG0_BUSNUM_MIN, // Minimum Bus Number
+ SYNQUACER_PCI_SEG0_BUSNUM_MAX, // Maximum Bus Number
+ 0, // AddressTranslation
+ SYNQUACER_PCI_SEG0_BUSNUM_RANGE // RangeLength - # of Busses
+ )
+
+ DWordMemory ( // 32-bit BAR Windows
+ ResourceProducer, PosDecode,
+ MinFixed, MaxFixed,
+ Cacheable, ReadWrite,
+ 0x00000000, // Granularity
+ SYNQUACER_PCI_SEG0_MMIO32_MIN, // Min Base Address
+ SYNQUACER_PCI_SEG0_MMIO32_MAX, // Max Base Address
+ 0x00000000, // Translate
+ SYNQUACER_PCI_SEG0_MMIO32_SIZE // Length
+ )
+
+ QWordMemory ( // 64-bit BAR Windows
+ ResourceProducer, PosDecode,
+ MinFixed, MaxFixed,
+ Cacheable, ReadWrite,
+ 0x00000000, // Granularity
+ SYNQUACER_PCI_SEG0_MMIO64_MIN, // Min Base Address
+ SYNQUACER_PCI_SEG0_MMIO64_MAX, // Max Base Address
+ 0x00000000, // Translate
+ SYNQUACER_PCI_SEG0_MMIO64_SIZE // Length
+ )
+
+ DWordIo ( // IO window
+ ResourceProducer,
+ MinFixed,
+ MaxFixed,
+ PosDecode,
+ EntireRange,
+ 0x00000000, // Granularity
+ SYNQUACER_PCI_SEG0_PORTIO_MIN, // Min Base Address
+ SYNQUACER_PCI_SEG0_PORTIO_MAX, // Max Base Address
+ SYNQUACER_PCI_SEG0_PORTIO_MEMBASE, // Translate
+ SYNQUACER_PCI_SEG0_PORTIO_MEMSIZE, // Length
+ ,
+ ,
+ ,
+ TypeTranslation
+ )
+ }) // Name (RBUF)
+
+ Return (RBUF)
+ } // Method(_CRS)
+
+ Device (RES0)
+ {
+ Name (_HID, "PNP0C02")
+ Name (_CRS, ResourceTemplate ()
+ {
+ Memory32Fixed (ReadWrite,
+ SYNQUACER_PCI_SEG0_CONFIG_BASE,
+ SYNQUACER_PCI_SEG0_CONFIG_SIZE)
+ })
+ }
+
+ //
+ // OS Control Handoff
+ //
+ Name (SUPP, Zero) // PCI _OSC Support Field value
+ Name (CTRL, Zero) // PCI _OSC Control Field value
+
+ Method(_OSC,4)
+ {
+ // Check for proper UUID
+ If (LEqual (Arg0, ToUUID ("33DB4D5B-1FF7-401C-9657-7441C03DD766")))
+ {
+ // Create DWord-adressable fields from the Capabilities Buffer
+ CreateDWordField (Arg3, 0, CDW1)
+ CreateDWordField (Arg3, 4, CDW2)
+ CreateDWordField (Arg3, 8, CDW3)
+
+ // Save Capabilities DWord2 & 3
+ Store (CDW2, SUPP)
+ Store (CDW3, CTRL)
+
+ // Disable PCIe and SHPC hotplug, AER and PME
+ And (CTRL, 0x10, CTRL)
+
+ // Capabilities bits were masked
+ Or (CDW1, 0x10, CDW1)
+
+ // Update DWORD3 in the buffer
+ Store (CTRL, CDW3)
+ Return (Arg3)
+ } Else {
+ Or (CDW1, 4, CDW1) // Unrecognized UUID
+ Return (Arg3)
+ }
+ } // End _OSC
+ } // PCI0
+
+ Device (PCI1)
+ {
+ Name (_HID, EISAID("PNP0A08")) // PCI Express Root Bridge
+ Name (_CID, EISAID("PNP0A03")) // Compatible PCI Root Bridge
+ Name (_SEG, 1) // PCI Segment Group number
+ Name (_BBN, Zero) // PCI Base Bus Number
+ Name (_CCA, 1) // Cache Coherency Attribute
+
+ // PCI Routing Table
+ Name (_PRT, Package () {
+ Package () { 0xFFFF, 0, Zero, 214 }, // INTA
+ Package () { 0xFFFF, 1, Zero, 214 }, // INTB
+ Package () { 0xFFFF, 2, Zero, 214 }, // INTC
+ Package () { 0xFFFF, 3, Zero, 214 }, // INTD
+ })
+ // Root complex resources
+ Method (_CRS, 0, Serialized) {
+ Name (RBUF, ResourceTemplate () {
+ WordBusNumber ( // Bus numbers assigned to this root
+ ResourceProducer,
+ MinFixed, MaxFixed, PosDecode,
+ 0, // AddressGranularity
+ SYNQUACER_PCI_SEG1_BUSNUM_MIN, // Minimum Bus Number
+ SYNQUACER_PCI_SEG1_BUSNUM_MAX, // Maximum Bus Number
+ 0, // AddressTranslation
+ SYNQUACER_PCI_SEG1_BUSNUM_RANGE // RangeLength - # of Busses
+ )
+
+ DWordMemory ( // 32-bit BAR Windows
+ ResourceProducer, PosDecode,
+ MinFixed, MaxFixed,
+ Cacheable, ReadWrite,
+ 0x00000000, // Granularity
+ SYNQUACER_PCI_SEG1_MMIO32_MIN, // Min Base Address
+ SYNQUACER_PCI_SEG1_MMIO32_MAX, // Max Base Address
+ 0x00000000, // Translate
+ SYNQUACER_PCI_SEG1_MMIO32_SIZE // Length
+ )
+
+ QWordMemory ( // 64-bit BAR Windows
+ ResourceProducer, PosDecode,
+ MinFixed, MaxFixed,
+ Cacheable, ReadWrite,
+ 0x00000000, // Granularity
+ SYNQUACER_PCI_SEG1_MMIO64_MIN, // Min Base Address
+ SYNQUACER_PCI_SEG1_MMIO64_MAX, // Max Base Address
+ 0x00000000, // Translate
+ SYNQUACER_PCI_SEG1_MMIO64_SIZE // Length
+ )
+
+ DWordIo ( // IO window
+ ResourceProducer,
+ MinFixed,
+ MaxFixed,
+ PosDecode,
+ EntireRange,
+ 0x00000000, // Granularity
+ SYNQUACER_PCI_SEG1_PORTIO_MIN, // Min Base Address
+ SYNQUACER_PCI_SEG1_PORTIO_MAX, // Max Base Address
+ SYNQUACER_PCI_SEG1_PORTIO_MEMBASE, // Translate
+ SYNQUACER_PCI_SEG1_PORTIO_MEMSIZE, // Length
+ ,
+ ,
+ ,
+ TypeTranslation
+ )
+ }) // Name (RBUF)
+
+ Return (RBUF)
+ } // Method(_CRS)
+
+ Device (RES0)
+ {
+ Name (_HID, "PNP0C02")
+ Name (_CRS, ResourceTemplate ()
+ {
+ Memory32Fixed (ReadWrite,
+ SYNQUACER_PCI_SEG1_CONFIG_BASE,
+ SYNQUACER_PCI_SEG1_CONFIG_SIZE)
+ })
+ }
+
+ //
+ // OS Control Handoff
+ //
+ Name (SUPP, Zero) // PCI _OSC Support Field value
+ Name (CTRL, Zero) // PCI _OSC Control Field value
+
+ Method(_OSC,4)
+ {
+ // Check for proper UUID
+ If (LEqual (Arg0, ToUUID ("33DB4D5B-1FF7-401C-9657-7441C03DD766")))
+ {
+ // Create DWord-adressable fields from the Capabilities Buffer
+ CreateDWordField (Arg3, 0, CDW1)
+ CreateDWordField (Arg3, 4, CDW2)
+ CreateDWordField (Arg3, 8, CDW3)
+
+ // Save Capabilities DWord2 & 3
+ Store (CDW2, SUPP)
+ Store (CDW3, CTRL)
+
+ // Disable PCIe and SHPC hotplug, AER and PME
+ And (CTRL, 0x10, CTRL)
+
+ // Capabilities bits were masked
+ Or (CDW1, 0x10, CDW1)
+
+ // Update DWORD3 in the buffer
+ Store (CTRL, CDW3)
+ Return (Arg3)
+ } Else {
+ Or (CDW1, 4, CDW1) // Unrecognized UUID
+ Return (Arg3)
+ }
+ } // End _OSC
+ } // PCI0
+ }
+}
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