| /* |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| |
| * You should have received a copy of the GNU General Public License along |
| * with this program; if not, see <http://www.gnu.org/licenses/>. |
| */ |
| #include "hw/acpi/pc-hotplug.h" |
| |
| ACPI_EXTRACT_ALL_CODE ssdp_misc_aml |
| |
| DefinitionBlock ("ssdt-misc.aml", "SSDT", 0x01, "BXPC", "BXSSDTSUSP", 0x1) |
| { |
| |
| /**************************************************************** |
| * PCI memory ranges |
| ****************************************************************/ |
| |
| Scope(\) { |
| ACPI_EXTRACT_NAME_DWORD_CONST acpi_pci32_start |
| Name(P0S, 0x12345678) |
| ACPI_EXTRACT_NAME_DWORD_CONST acpi_pci32_end |
| Name(P0E, 0x12345678) |
| ACPI_EXTRACT_NAME_BYTE_CONST acpi_pci64_valid |
| Name(P1V, 0x12) |
| ACPI_EXTRACT_NAME_BUFFER8 acpi_pci64_start |
| Name(P1S, Buffer() { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }) |
| ACPI_EXTRACT_NAME_BUFFER8 acpi_pci64_end |
| Name(P1E, Buffer() { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }) |
| ACPI_EXTRACT_NAME_BUFFER8 acpi_pci64_length |
| Name(P1L, Buffer() { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }) |
| } |
| |
| |
| /**************************************************************** |
| * Suspend |
| ****************************************************************/ |
| |
| Scope(\) { |
| /* |
| * S3 (suspend-to-ram), S4 (suspend-to-disk) and S5 (power-off) type codes: |
| * must match piix4 emulation. |
| */ |
| |
| ACPI_EXTRACT_NAME_STRING acpi_s3_name |
| Name(_S3, Package(0x04) { |
| One, /* PM1a_CNT.SLP_TYP */ |
| One, /* PM1b_CNT.SLP_TYP */ |
| Zero, /* reserved */ |
| Zero /* reserved */ |
| }) |
| ACPI_EXTRACT_NAME_STRING acpi_s4_name |
| ACPI_EXTRACT_PKG_START acpi_s4_pkg |
| Name(_S4, Package(0x04) { |
| 0x2, /* PM1a_CNT.SLP_TYP */ |
| 0x2, /* PM1b_CNT.SLP_TYP */ |
| Zero, /* reserved */ |
| Zero /* reserved */ |
| }) |
| Name(_S5, Package(0x04) { |
| Zero, /* PM1a_CNT.SLP_TYP */ |
| Zero, /* PM1b_CNT.SLP_TYP */ |
| Zero, /* reserved */ |
| Zero /* reserved */ |
| }) |
| } |
| |
| External(\_SB.PCI0, DeviceObj) |
| External(\_SB.PCI0.ISA, DeviceObj) |
| |
| Scope(\_SB.PCI0.ISA) { |
| Device(PEVT) { |
| Name(_HID, "QEMU0001") |
| /* PEST will be patched to be Zero if no such device */ |
| ACPI_EXTRACT_NAME_WORD_CONST ssdt_isa_pest |
| Name(PEST, 0xFFFF) |
| OperationRegion(PEOR, SystemIO, PEST, 0x01) |
| Field(PEOR, ByteAcc, NoLock, Preserve) { |
| PEPT, 8, |
| } |
| |
| Method(_STA, 0, NotSerialized) { |
| Store(PEST, Local0) |
| If (LEqual(Local0, Zero)) { |
| Return (0x00) |
| } Else { |
| Return (0x0F) |
| } |
| } |
| |
| Method(RDPT, 0, NotSerialized) { |
| Store(PEPT, Local0) |
| Return (Local0) |
| } |
| |
| Method(WRPT, 1, NotSerialized) { |
| Store(Arg0, PEPT) |
| } |
| |
| Name(_CRS, ResourceTemplate() { |
| IO(Decode16, 0x00, 0x00, 0x01, 0x01, IO) |
| }) |
| |
| CreateWordField(_CRS, IO._MIN, IOMN) |
| CreateWordField(_CRS, IO._MAX, IOMX) |
| |
| Method(_INI, 0, NotSerialized) { |
| Store(PEST, IOMN) |
| Store(PEST, IOMX) |
| } |
| } |
| } |
| |
| External(MEMORY_SLOT_NOTIFY_METHOD, MethodObj) |
| Scope(\_SB.PCI0) { |
| Device(MEMORY_HOTPLUG_DEVICE) { |
| Name(_HID, "PNP0A06") |
| Name(_UID, "Memory hotplug resources") |
| |
| ACPI_EXTRACT_NAME_DWORD_CONST ssdt_mctrl_nr_slots |
| Name(MEMORY_SLOTS_NUMBER, 0x12345678) |
| |
| /* Memory hotplug IO registers */ |
| OperationRegion(MEMORY_HOTPLUG_IO_REGION, SystemIO, |
| ACPI_MEMORY_HOTPLUG_BASE, |
| ACPI_MEMORY_HOTPLUG_IO_LEN) |
| |
| Name(_CRS, ResourceTemplate() { |
| IO(Decode16, ACPI_MEMORY_HOTPLUG_BASE, ACPI_MEMORY_HOTPLUG_BASE, |
| 0, ACPI_MEMORY_HOTPLUG_IO_LEN, IO) |
| }) |
| |
| Method(_STA, 0) { |
| If (LEqual(MEMORY_SLOTS_NUMBER, Zero)) { |
| Return(0x0) |
| } |
| /* present, functioning, decoding, not shown in UI */ |
| Return(0xB) |
| } |
| |
| Field(MEMORY_HOTPLUG_IO_REGION, DWordAcc, NoLock, Preserve) { |
| MEMORY_SLOT_ADDR_LOW, 32, // read only |
| MEMORY_SLOT_ADDR_HIGH, 32, // read only |
| MEMORY_SLOT_SIZE_LOW, 32, // read only |
| MEMORY_SLOT_SIZE_HIGH, 32, // read only |
| MEMORY_SLOT_PROXIMITY, 32, // read only |
| } |
| Field(MEMORY_HOTPLUG_IO_REGION, ByteAcc, NoLock, Preserve) { |
| Offset(20), |
| MEMORY_SLOT_ENABLED, 1, // 1 if enabled, read only |
| MEMORY_SLOT_INSERT_EVENT, 1, // (read) 1 if has a insert event. (write) 1 to clear event |
| } |
| |
| Mutex (MEMORY_SLOT_LOCK, 0) |
| Field (MEMORY_HOTPLUG_IO_REGION, DWordAcc, NoLock, Preserve) { |
| MEMORY_SLOT_SLECTOR, 32, // DIMM selector, write only |
| MEMORY_SLOT_OST_EVENT, 32, // _OST event code, write only |
| MEMORY_SLOT_OST_STATUS, 32, // _OST status code, write only |
| } |
| |
| Method(MEMORY_SLOT_SCAN_METHOD, 0) { |
| If (LEqual(MEMORY_SLOTS_NUMBER, Zero)) { |
| Return(Zero) |
| } |
| |
| Store(Zero, Local0) // Mem devs iterrator |
| Acquire(MEMORY_SLOT_LOCK, 0xFFFF) |
| while (LLess(Local0, MEMORY_SLOTS_NUMBER)) { |
| Store(Local0, MEMORY_SLOT_SLECTOR) // select Local0 DIMM |
| If (LEqual(MEMORY_SLOT_INSERT_EVENT, One)) { // Memory device needs check |
| MEMORY_SLOT_NOTIFY_METHOD(Local0, 1) |
| Store(1, MEMORY_SLOT_INSERT_EVENT) |
| } |
| // TODO: handle memory eject request |
| Add(Local0, One, Local0) // goto next DIMM |
| } |
| Release(MEMORY_SLOT_LOCK) |
| Return(One) |
| } |
| |
| Method(MEMORY_SLOT_STATUS_METHOD, 1) { |
| Store(Zero, Local0) |
| |
| Acquire(MEMORY_SLOT_LOCK, 0xFFFF) |
| Store(ToInteger(Arg0), MEMORY_SLOT_SLECTOR) // select DIMM |
| |
| If (LEqual(MEMORY_SLOT_ENABLED, One)) { |
| Store(0xF, Local0) |
| } |
| |
| Release(MEMORY_SLOT_LOCK) |
| Return(Local0) |
| } |
| |
| Method(MEMORY_SLOT_CRS_METHOD, 1, Serialized) { |
| Acquire(MEMORY_SLOT_LOCK, 0xFFFF) |
| Store(ToInteger(Arg0), MEMORY_SLOT_SLECTOR) // select DIMM |
| |
| Name(MR64, ResourceTemplate() { |
| QWordMemory(ResourceProducer, PosDecode, MinFixed, MaxFixed, |
| Cacheable, ReadWrite, |
| 0x0000000000000000, // Address Space Granularity |
| 0x0000000000000000, // Address Range Minimum |
| 0xFFFFFFFFFFFFFFFE, // Address Range Maximum |
| 0x0000000000000000, // Address Translation Offset |
| 0xFFFFFFFFFFFFFFFF, // Address Length |
| ,, MW64, AddressRangeMemory, TypeStatic) |
| }) |
| |
| CreateDWordField(MR64, 14, MINL) |
| CreateDWordField(MR64, 18, MINH) |
| CreateDWordField(MR64, 38, LENL) |
| CreateDWordField(MR64, 42, LENH) |
| CreateDWordField(MR64, 22, MAXL) |
| CreateDWordField(MR64, 26, MAXH) |
| |
| Store(MEMORY_SLOT_ADDR_HIGH, MINH) |
| Store(MEMORY_SLOT_ADDR_LOW, MINL) |
| Store(MEMORY_SLOT_SIZE_HIGH, LENH) |
| Store(MEMORY_SLOT_SIZE_LOW, LENL) |
| |
| // 64-bit math: MAX = MIN + LEN - 1 |
| Add(MINL, LENL, MAXL) |
| Add(MINH, LENH, MAXH) |
| If (LLess(MAXL, MINL)) { |
| Add(MAXH, One, MAXH) |
| } |
| If (LLess(MAXL, One)) { |
| Subtract(MAXH, One, MAXH) |
| } |
| Subtract(MAXL, One, MAXL) |
| |
| If (LEqual(MAXH, Zero)){ |
| Name(MR32, ResourceTemplate() { |
| DWordMemory(ResourceProducer, PosDecode, MinFixed, MaxFixed, |
| Cacheable, ReadWrite, |
| 0x00000000, // Address Space Granularity |
| 0x00000000, // Address Range Minimum |
| 0xFFFFFFFE, // Address Range Maximum |
| 0x00000000, // Address Translation Offset |
| 0xFFFFFFFF, // Address Length |
| ,, MW32, AddressRangeMemory, TypeStatic) |
| }) |
| CreateDWordField(MR32, MW32._MIN, MIN) |
| CreateDWordField(MR32, MW32._MAX, MAX) |
| CreateDWordField(MR32, MW32._LEN, LEN) |
| Store(MINL, MIN) |
| Store(MAXL, MAX) |
| Store(LENL, LEN) |
| |
| Release(MEMORY_SLOT_LOCK) |
| Return(MR32) |
| } |
| |
| Release(MEMORY_SLOT_LOCK) |
| Return(MR64) |
| } |
| |
| Method(MEMORY_SLOT_PROXIMITY_METHOD, 1) { |
| Acquire(MEMORY_SLOT_LOCK, 0xFFFF) |
| Store(ToInteger(Arg0), MEMORY_SLOT_SLECTOR) // select DIMM |
| Store(MEMORY_SLOT_PROXIMITY, Local0) |
| Release(MEMORY_SLOT_LOCK) |
| Return(Local0) |
| } |
| |
| Method(MEMORY_SLOT_OST_METHOD, 4) { |
| Acquire(MEMORY_SLOT_LOCK, 0xFFFF) |
| Store(ToInteger(Arg0), MEMORY_SLOT_SLECTOR) // select DIMM |
| Store(Arg1, MEMORY_SLOT_OST_EVENT) |
| Store(Arg2, MEMORY_SLOT_OST_STATUS) |
| Release(MEMORY_SLOT_LOCK) |
| } |
| } // Device() |
| } // Scope() |
| } |
