Michael Niewöhner has submitted this change. ( https://review.coreboot.org/c/coreboot/+/46785 )
Change subject: haswell/lynxpoint: Drop remaining uses of `ISLP` method ......................................................................
haswell/lynxpoint: Drop remaining uses of `ISLP` method
There's no need to dynamically differentiate between traditional and Low Power platforms at runtime, and doing so makes code reuse more complex.
Change-Id: Id40f2f5f41db00487af9115eabee8874c2399030 Signed-off-by: Angel Pons th3fanbus@gmail.com Reviewed-on: https://review.coreboot.org/c/coreboot/+/46785 Reviewed-by: Michael Niewöhner foss@mniewoehner.de Tested-by: build bot (Jenkins) no-reply@coreboot.org --- M src/northbridge/intel/haswell/acpi/ctdp.asl M src/southbridge/intel/lynxpoint/acpi/pch.asl M src/southbridge/intel/lynxpoint/acpi/xhci.asl 3 files changed, 35 insertions(+), 39 deletions(-)
Approvals: build bot (Jenkins): Verified Michael Niewöhner: Looks good to me, approved
diff --git a/src/northbridge/intel/haswell/acpi/ctdp.asl b/src/northbridge/intel/haswell/acpi/ctdp.asl index 84c0f2f..47b7940 100644 --- a/src/northbridge/intel/haswell/acpi/ctdp.asl +++ b/src/northbridge/intel/haswell/acpi/ctdp.asl @@ -79,13 +79,13 @@ /* Calculate PL2 based on chip type */ Method (CPL2, 1, NotSerialized) { - If (\ISLP ()) { - /* Haswell ULT PL2 = 25W */ - Return (25 * 8) - } Else { - /* Haswell Mobile PL2 = 1.25 * PL1 */ - Return ((Arg0 * 125) / 100) - } +#if CONFIG(INTEL_LYNXPOINT_LP) + /* Haswell ULT PL2 = 25W */ + Return (25 * 8) +#else + /* Haswell Mobile PL2 = 1.25 * PL1 */ + Return ((Arg0 * 125) / 100) +#endif }
/* Set Config TDP Down */ diff --git a/src/southbridge/intel/lynxpoint/acpi/pch.asl b/src/southbridge/intel/lynxpoint/acpi/pch.asl index 40d206d..6829cff 100644 --- a/src/southbridge/intel/lynxpoint/acpi/pch.asl +++ b/src/southbridge/intel/lynxpoint/acpi/pch.asl @@ -10,12 +10,6 @@
Scope () { - // Return TRUE if chipset is LynxPoint-LP - Method (ISLP, 0, NotSerialized) - { - Return (CONFIG(INTEL_LYNXPOINT_LP)) - } - // IO-Trap at 0x800. This is the ACPI->SMI communication interface. OperationRegion (IO_T, SystemIO, 0x800, 0x10) Field (IO_T, ByteAcc, NoLock, Preserve) diff --git a/src/southbridge/intel/lynxpoint/acpi/xhci.asl b/src/southbridge/intel/lynxpoint/acpi/xhci.asl index 65f1869..fbeb562 100644 --- a/src/southbridge/intel/lynxpoint/acpi/xhci.asl +++ b/src/southbridge/intel/lynxpoint/acpi/xhci.asl @@ -213,26 +213,27 @@ ^D0D3 = 0 }
- If (\ISLP ()) { - // Clear PCI 0xB0[14:13] - ^MB13 = 0 - ^MB14 = 0 +#if CONFIG(INTEL_LYNXPOINT_LP) + // Clear PCI 0xB0[14:13] + ^MB13 = 0 + ^MB14 = 0
- // Clear MMIO 0x816C[14,2] - CLK0 = 0 - CLK1 = 0 - } + // Clear MMIO 0x816C[14,2] + CLK0 = 0 + CLK1 = 0
// Set MMIO 0x8154[31] CLK2 = 1
- If (\ISLP ()) { - // Handle per-port reset if needed - LPS0 () + // Handle per-port reset if needed + LPS0 ()
- // Set MMIO 0x80e0[15] - AX15 = 1 - } + // Set MMIO 0x80e0[15] + AX15 = 1 +#else + // Set MMIO 0x8154[31] + CLK2 = 1 +#endif
Return () } @@ -271,23 +272,24 @@ ^D0D3 = 0 }
- If (\ISLP ()) { - // Set PCI 0xB0[14:13] - ^MB13 = 1 - ^MB14 = 1 +#if CONFIG(INTEL_LYNXPOINT_LP) + // Set PCI 0xB0[14:13] + ^MB13 = 1 + ^MB14 = 1
- // Set MMIO 0x816C[14,2] - CLK0 = 1 - CLK1 = 1 - } + // Set MMIO 0x816C[14,2] + CLK0 = 1 + CLK1 = 1
// Clear MMIO 0x8154[31] CLK2 = 0
- If (\ISLP ()) { - // Clear MMIO 0x80e0[15] - AX15 = 0 - } + // Clear MMIO 0x80e0[15] + AX15 = 0 +#else + // Clear MMIO 0x8154[31] + CLK2 = 0 +#endif
// Put device in D3 ^D0D3 = 3