diff options
Diffstat (limited to 'src/soc/intel/broadwell/pch/acpi/serialio.asl')
| -rw-r--r-- | src/soc/intel/broadwell/pch/acpi/serialio.asl | 153 |
1 files changed, 32 insertions, 121 deletions
diff --git a/src/soc/intel/broadwell/pch/acpi/serialio.asl b/src/soc/intel/broadwell/pch/acpi/serialio.asl index 183bca6d55..85c7cf544f 100644 --- a/src/soc/intel/broadwell/pch/acpi/serialio.asl +++ b/src/soc/intel/broadwell/pch/acpi/serialio.asl @@ -5,27 +5,34 @@ // Serial IO Device BAR0 and BAR1 is 4KB #define SIO_BAR_LEN 0x1000 -// Put SerialIO device in D0 state -// Arg0 - Ref to offset 0x84 of device's PCI config space -Method (LPD0, 1, Serialized) -{ - Arg0 = 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) -{ - Arg0 = 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 -} +// This is defined in SSDT2 which is generated at boot based +// on whether or not the device is enabled in ACPI mode. +External (\S0EN) +External (\S1EN) +External (\S2EN) +External (\S3EN) +External (\S4EN) +External (\S5EN) +External (\S6EN) +External (\S7EN) + +External (\S0B0) +External (\S1B0) +External (\S2B0) +External (\S3B0) +External (\S4B0) +External (\S5B0) +External (\S6B0) +External (\S7B0) + +External (\S0B1) +External (\S1B1) +External (\S2B1) +External (\S3B1) +External (\S4B1) +External (\S5B1) +External (\S6B1) +External (\S7B1) // Serial IO Resource Consumption for BAR1 Device (SIOR) @@ -196,7 +203,7 @@ Device (I2C0) } // Check if Serial IO DMA Controller is enabled - If (\_SB.PCI0.SDMA._STA != 0) { + If (\S0EN != 0) { Return (ConcatenateResTemplate (RBUF, DBUF)) } Else { Return (RBUF) @@ -211,22 +218,6 @@ Device (I2C0) Return (0xF) } } - - OperationRegion (SPRT, SystemMemory, \S1B1 + 0x84, 4) - Field (SPRT, DWordAcc, NoLock, Preserve) - { - SPCS, 32 - } - - Method (_PS0, 0, Serialized) - { - ^^LPD0 (RefOf (SPCS)) - } - - Method (_PS3, 0, Serialized) - { - ^^LPD3 (RefOf (SPCS)) - } } Device (I2C1) @@ -272,7 +263,7 @@ Device (I2C1) } // Check if Serial IO DMA Controller is enabled - If (\_SB.PCI0.SDMA._STA != 0) { + If (\S0EN != 0) { Return (ConcatenateResTemplate (RBUF, DBUF)) } Else { Return (RBUF) @@ -287,22 +278,6 @@ Device (I2C1) Return (0xF) } } - - OperationRegion (SPRT, SystemMemory, \S2B1 + 0x84, 4) - Field (SPRT, DWordAcc, NoLock, Preserve) - { - SPCS, 32 - } - - Method (_PS0, 0, Serialized) - { - ^^LPD0 (RefOf (SPCS)) - } - - Method (_PS3, 0, Serialized) - { - ^^LPD3 (RefOf (SPCS)) - } } Device (SPI0) @@ -348,22 +323,6 @@ Device (SPI0) 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) @@ -406,7 +365,7 @@ Device (SPI1) } // Check if Serial IO DMA Controller is enabled - If (\_SB.PCI0.SDMA._STA != 0) { + If (\S0EN != 0) { Return (ConcatenateResTemplate (RBUF, DBUF)) } Else { Return (RBUF) @@ -421,22 +380,6 @@ Device (SPI1) 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) @@ -479,7 +422,7 @@ Device (UAR0) } // Check if Serial IO DMA Controller is enabled - If (\_SB.PCI0.SDMA._STA != 0) { + If (\S0EN != 0) { Return (ConcatenateResTemplate (RBUF, DBUF)) } Else { Return (RBUF) @@ -494,22 +437,6 @@ Device (UAR0) 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) @@ -555,22 +482,6 @@ Device (UAR1) 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) |