diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/soc/amd/picasso/acpi/aoac.asl | 146 | ||||
| -rw-r--r-- | src/soc/amd/picasso/acpi/sb_fch.asl | 72 | ||||
| -rw-r--r-- | src/soc/amd/picasso/acpi/soc.asl | 3 |
3 files changed, 221 insertions, 0 deletions
diff --git a/src/soc/amd/picasso/acpi/aoac.asl b/src/soc/amd/picasso/acpi/aoac.asl new file mode 100644 index 0000000000..f26f85f205 --- /dev/null +++ b/src/soc/amd/picasso/acpi/aoac.asl @@ -0,0 +1,146 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ + +#include <amdblocks/acpimmio_map.h> + +#define AOAC_DEVICE(DEV_NAME, DEV_ID, SX) \ + PowerResource(DEV_NAME, SX, 0) { \ + OperationRegion (AOAC, SystemMemory, ACPIMMIO_AOAC_BASE + 0x40 + (DEV_ID << 1), 2) \ + Field (AOAC, ByteAcc, NoLock, Preserve) { \ + /* \ + * Target Device State \ + * \ + * 0 = D0 - Uninitialized \ + * 1 = D0 - Initialized \ + * 2 = D1/D2/D3Hot \ + * 3 = D3Cold \ + * \ + * This field is only used to cut off register access. It does not \ + * control any power states. D3Cold is the only value that will \ + * cut off register access. All other values will allow register \ + * access and are purely informational. \ + */ \ + TDS, 2, \ +\ + DS, 1, /* Device State - Purely informational */ \ +\ + /* \ + * Power On Dev \ + * \ + * 1 = Perform hardware sequence to power on the device \ + * 0 = Perform hardware sequence to power off the device \ + * \ + * This register is only valid when Is Software Control = 0. \ + */ \ + POD, 1, \ +\ + /* Software Power On Reset B */ \ + SPRB, 1, \ + /* Software Ref Clock OK */ \ + SRCO, 1, \ + /* Software Reset B */ \ + SRB, 1, \ + /* \ + * Is Software Control \ + * \ + * 1 = Allow software to control Power On Reset B, \ + * Ref Clock OK, and Reset B. \ + * 0 = Hardware control \ + */ \ + ISWC, 1, \ +\ + /* Power Reset B State */ \ + PRBS, 1, \ + /* Ref Clock OK State */ \ + RCOS, 1, \ + /* Reset B State */ \ + RBS, 1, \ + /* Device Off Gating State */ \ + DOGS, 1, \ + /* D3 Cold State */ \ + D3CS, 1, \ + /* Device Clock OK State */ \ + COS, 1, \ + /* State of device */ \ + STA0, 1, \ + /* State of device */ \ + STA1, 1, \ + } \ + Method(_STA) { \ + Local0 = (PRBS && RCOS && RBS) \ +\ + Printf("AOAC.%s._STA: %o", #DEV_NAME, Local0) \ +\ + If (Local0) { \ + Return (1) \ + } Else { \ + Return (0) \ + } \ + } \ + Method(_ON, 0, Serialized) { \ + Printf("AOAC.%s._ON", #DEV_NAME) \ +\ + ISWC=0 \ + POD=1 \ +\ + While (!PRBS || !RCOS || !RBS) { \ + Printf ("Waiting for device to power on") \ + Stall (100) \ + } \ +\ + Printf("Done waiting") \ + } \ + Method(_OFF, 0, Serialized) { \ + Printf("AOAC.%s._OFF", #DEV_NAME) \ +\ + ISWC=0 \ + POD=0 \ +\ + While (PRBS || RCOS || RBS) { \ + Printf ("Waiting for device to power off") \ + Stall (100) \ + } \ +\ + Printf("Done waiting") \ + } \ + Method(_RST, 0, Serialized) { \ + Printf("AOAC.%s._RST", #DEV_NAME) \ +\ + ISWC=1 \ + SRB=1 \ +\ + /* Assert the SwRstB signal for 200 us */ \ + Stall (200) \ +\ + SRB=0 \ + ISWC=0 \ +\ + While (!PRBS || !RCOS || !RBS) { \ + Printf ("Waiting for device to complete reset") \ + Stall (100) \ + } \ + } \ + } + + +Device (AOAC) { + Name (_HID, EISAID("PNP0C02")) // ID for Motherboard resources + + Method (_STA, 0x0, NotSerialized) + { + /* + * This case is used to indicate a valid device for which no + * device driver should be loaded (for example, a bridge + * device.) Children of this device may be present and valid. + * OSPM should continue enumeration below a device whose _STA + * returns this bit combination. + */ + Return (0x08) + } + + AOAC_DEVICE(I2C2, 7, 0) + AOAC_DEVICE(I2C3, 8, 0) + AOAC_DEVICE(I2C4, 9, 5) /* I2C4 is powered from the S5 power group. */ + AOAC_DEVICE(FUR1, 12, 0) + AOAC_DEVICE(FUR2, 16, 0) + AOAC_DEVICE(FUR3, 26, 0) +} diff --git a/src/soc/amd/picasso/acpi/sb_fch.asl b/src/soc/amd/picasso/acpi/sb_fch.asl index 0801c11722..00774fdd4f 100644 --- a/src/soc/amd/picasso/acpi/sb_fch.asl +++ b/src/soc/amd/picasso/acpi/sb_fch.asl @@ -153,6 +153,18 @@ Device (FUR1) { Return (Local0) } } + + Name (_PR0, Package () { \_SB.AOAC.FUR1 }) + Name (_PR2, Package () { \_SB.AOAC.FUR1 }) + Name (_PR3, Package () { \_SB.AOAC.FUR1 }) + Method (_PS0, 0, Serialized) { + Printf("FUR1._PS0") + \_SB.AOAC.FUR1.TDS = 1 + } + Method (_PS3, 0, Serialized) { + Printf("FUR1._PS3") + \_SB.AOAC.FUR1.TDS = 3 + } } Device (FUR2) { @@ -184,6 +196,18 @@ Device (FUR2) { Return (Local0) } } + + Name (_PR0, Package () { \_SB.AOAC.FUR2 }) + Name (_PR2, Package () { \_SB.AOAC.FUR2 }) + Name (_PR3, Package () { \_SB.AOAC.FUR2 }) + Method (_PS0, 0, Serialized) { + Printf("FUR2._PS0") + \_SB.AOAC.FUR2.TDS = 1 + } + Method (_PS3, 0, Serialized) { + Printf("FUR2._PS3") + \_SB.AOAC.FUR2.TDS = 3 + } } Device (FUR3) { @@ -215,6 +239,18 @@ Device (FUR3) { Return (Local0) } } + + Name (_PR0, Package () { \_SB.AOAC.FUR3 }) + Name (_PR2, Package () { \_SB.AOAC.FUR3 }) + Name (_PR3, Package () { \_SB.AOAC.FUR3 }) + Method (_PS0, 0, Serialized) { + Printf("FUR3._PS0") + \_SB.AOAC.FUR3.TDS = 1 + } + Method (_PS3, 0, Serialized) { + Printf("FUR3._PS3") + \_SB.AOAC.FUR3.TDS = 3 + } } Device (I2C2) { @@ -249,6 +285,18 @@ Device (I2C2) { { Return (0x0F) } + + Name (_PR0, Package () { \_SB.AOAC.I2C2 }) + Name (_PR2, Package () { \_SB.AOAC.I2C2 }) + Name (_PR3, Package () { \_SB.AOAC.I2C2 }) + Method (_PS0, 0, Serialized) { + Printf("I2C2._PS0") + \_SB.AOAC.I2C2.TDS = 1 + } + Method (_PS3, 0, Serialized) { + Printf("I2C2._PS3") + \_SB.AOAC.I2C2.TDS = 3 + } } Device (I2C3) @@ -283,6 +331,18 @@ Device (I2C3) { Return (0x0F) } + + Name (_PR0, Package () { \_SB.AOAC.I2C3 }) + Name (_PR2, Package () { \_SB.AOAC.I2C3 }) + Name (_PR3, Package () { \_SB.AOAC.I2C3 }) + Method (_PS0, 0, Serialized) { + Printf("I2C3._PS0") + \_SB.AOAC.I2C3.TDS = 1 + } + Method (_PS3, 0, Serialized) { + Printf("I2C3._PS3") + \_SB.AOAC.I2C3.TDS = 3 + } } Device (I2C4) { @@ -317,6 +377,18 @@ Device (I2C4) { { Return (0x0F) } + + Name (_PR0, Package () { \_SB.AOAC.I2C4 }) + Name (_PR2, Package () { \_SB.AOAC.I2C4 }) + Name (_PR3, Package () { \_SB.AOAC.I2C4 }) + Method (_PS0, 0, Serialized) { + Printf("I2C4._PS0") + \_SB.AOAC.I2C4.TDS = 1 + } + Method (_PS3, 0, Serialized) { + Printf("I2C4._PS3") + \_SB.AOAC.I2C4.TDS = 3 + } } Device (MISC) diff --git a/src/soc/amd/picasso/acpi/soc.asl b/src/soc/amd/picasso/acpi/soc.asl index b411c20ba4..b3b036ea7d 100644 --- a/src/soc/amd/picasso/acpi/soc.asl +++ b/src/soc/amd/picasso/acpi/soc.asl @@ -11,6 +11,9 @@ Device(PCI0) { /* Describe PCI INT[A-H] for the Southbridge */ #include "pci_int.asl" +/* Describe the AOAC devices */ +#include "aoac.asl" + /* Describe the devices in the Southbridge */ #include "sb_fch.asl" |