Angel Pons has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/46969 ) Change subject: sb/intel/lynxpoint: Use Broadwell SerialIO implementation ...................................................................... sb/intel/lynxpoint: Use Broadwell SerialIO implementation Add power state control methods for more devices using helper methods. Change-Id: I96a3b896346f6f1e5aa4a1dc45638cbcff01b7dd Signed-off-by: Angel Pons <th3fanbus@gmail.com> --- M src/southbridge/intel/lynxpoint/acpi/serialio.asl 1 file changed, 96 insertions(+), 34 deletions(-) git pull ssh://review.coreboot.org:29418/coreboot refs/changes/69/46969/1 diff --git a/src/southbridge/intel/lynxpoint/acpi/serialio.asl b/src/southbridge/intel/lynxpoint/acpi/serialio.asl index 845949c..0e246f7 100644 --- a/src/southbridge/intel/lynxpoint/acpi/serialio.asl +++ b/src/southbridge/intel/lynxpoint/acpi/serialio.asl @@ -16,6 +16,28 @@ External (\S6EN) External (\S7EN) +// Put SerialIO device in D0 state +// Arg0 - Ref to offset 0x84 of device's PCI config space +Method (LPD0, 1, Serialized) +{ + DeRefOf (Arg0) &= 0xFFFFFFFC + Local0 = DeRefOf (Arg0) // Read back after writing + + // Use Local0 to avoid iasl warning: Method Local is set but never used + Local0 &= Ones +} + +// Put SerialIO device in D3 state +// Arg0 - Ref to offset 0x84 of device's PCI config space +Method (LPD3, 1, Serialized) +{ + DeRefOf (Arg0) |= 0x3 + Local0 = DeRefOf (Arg0) // Read back after writing + + // Use Local0 to avoid iasl warning: Method Local is set but never used + Local0 &= Ones +} + // Serial IO Resource Consumption for BAR1 Device (SIOR) { @@ -193,32 +215,20 @@ } } - // Access to PCI Config in ACPI mode - OperationRegion (KEYS, SystemMemory, \S1B1, 0x100) - Field (KEYS, DWordAcc, NoLock, Preserve) + OperationRegion (SPRT, SystemMemory, \S1B1 + 0x84, 4) + Field (SPRT, DWordAcc, NoLock, Preserve) { - Offset (0x84), - PSAT, 32, + SPCS, 32 } - // Put controller in D0 state Method (_PS0, 0, Serialized) { - ^PSAT &= 0xfffffffc - Local0 = ^PSAT // Read back after writing - - // Use Local0 to avoid iasl warning: Method Local is set but never used - Local0 &= Ones + ^^LPD0 (RefOf (SPCS)) } - // Put controller in D3Hot state Method (_PS3, 0, Serialized) { - ^PSAT |= 0x00000003 - Local0 = ^PSAT // Read back after writing - - // Use Local0 to avoid iasl warning: Method Local is set but never used - Local0 &= Ones + ^^LPD3 (RefOf (SPCS)) } } @@ -273,32 +283,20 @@ } } - // Access to PCI Config in ACPI mode - OperationRegion (KEYS, SystemMemory, \S2B1, 0x100) - Field (KEYS, DWordAcc, NoLock, Preserve) + OperationRegion (SPRT, SystemMemory, \S2B1 + 0x84, 4) + Field (SPRT, DWordAcc, NoLock, Preserve) { - Offset (0x84), - PSAT, 32, + SPCS, 32 } - // Put controller in D0 state Method (_PS0, 0, Serialized) { - ^PSAT &= 0xfffffffc - Local0 = ^PSAT // Read back after writing - - // Use Local0 to avoid iasl warning: Method Local is set but never used - Local0 &= Ones + ^^LPD0 (RefOf (SPCS)) } - // Put controller in D3Hot state Method (_PS3, 0, Serialized) { - ^PSAT |= 0x00000003 - Local0 = ^PSAT // Read back after writing - - // Use Local0 to avoid iasl warning: Method Local is set but never used - Local0 &= Ones + ^^LPD3 (RefOf (SPCS)) } } @@ -337,6 +335,22 @@ Return (0xF) } } + + OperationRegion (SPRT, SystemMemory, \S3B1 + 0x84, 4) + Field (SPRT, DWordAcc, NoLock, Preserve) + { + SPCS, 32 + } + + Method (_PS0, 0, Serialized) + { + ^^LPD0 (RefOf (SPCS)) + } + + Method (_PS3, 0, Serialized) + { + ^^LPD3 (RefOf (SPCS)) + } } Device (SPI1) @@ -386,6 +400,22 @@ Return (0xF) } } + + OperationRegion (SPRT, SystemMemory, \S4B1 + 0x84, 4) + Field (SPRT, DWordAcc, NoLock, Preserve) + { + SPCS, 32 + } + + Method (_PS0, 0, Serialized) + { + ^^LPD0 (RefOf (SPCS)) + } + + Method (_PS3, 0, Serialized) + { + ^^LPD3 (RefOf (SPCS)) + } } Device (UAR0) @@ -435,6 +465,22 @@ Return (0xF) } } + + OperationRegion (SPRT, SystemMemory, \S5B1 + 0x84, 4) + Field (SPRT, DWordAcc, NoLock, Preserve) + { + SPCS, 32 + } + + Method (_PS0, 0, Serialized) + { + ^^LPD0 (RefOf (SPCS)) + } + + Method (_PS3, 0, Serialized) + { + ^^LPD3 (RefOf (SPCS)) + } } Device (UAR1) @@ -472,6 +518,22 @@ Return (0xF) } } + + OperationRegion (SPRT, SystemMemory, \S6B1 + 0x84, 4) + Field (SPRT, DWordAcc, NoLock, Preserve) + { + SPCS, 32 + } + + Method (_PS0, 0, Serialized) + { + ^^LPD0 (RefOf (SPCS)) + } + + Method (_PS3, 0, Serialized) + { + ^^LPD3 (RefOf (SPCS)) + } } Device (SDIO) -- To view, visit https://review.coreboot.org/c/coreboot/+/46969 To unsubscribe, or for help writing mail filters, visit https://review.coreboot.org/settings Gerrit-Project: coreboot Gerrit-Branch: master Gerrit-Change-Id: I96a3b896346f6f1e5aa4a1dc45638cbcff01b7dd Gerrit-Change-Number: 46969 Gerrit-PatchSet: 1 Gerrit-Owner: Angel Pons <th3fanbus@gmail.com> Gerrit-MessageType: newchange