diff options
| -rw-r--r-- | src/southbridge/intel/lynxpoint/acpi/usb.asl | 292 |
1 files changed, 291 insertions, 1 deletions
diff --git a/src/southbridge/intel/lynxpoint/acpi/usb.asl b/src/southbridge/intel/lynxpoint/acpi/usb.asl index 6583cb30fd..1a0ad34776 100644 --- a/src/southbridge/intel/lynxpoint/acpi/usb.asl +++ b/src/southbridge/intel/lynxpoint/acpi/usb.asl @@ -68,7 +68,297 @@ Device (EHCI) Device (XHCI) { - Name(_ADR, 0x00140000) + Name (_ADR, 0x00140000) + + Name (PLSD, 5) // Port Link State - RxDetect + Name (PLSP, 7) // Port Link State - Polling + + OperationRegion (XPRT, PCI_Config, 0x00, 0x100) + Field (XPRT, AnyAcc, NoLock, Preserve) + { + Offset (0x0), + DVID, 16, + Offset (0x10), + , 16, + XMEM, 16, // MEM_BASE + Offset (0x74), + D0D3, 2, + , 6, + PMEE, 1, // PME_EN + , 6, + PMES, 1, // PME_STS + Offset (0xb0), + , 13, + MB13, 1, + MB14, 1, + Offset (0xd0), + PR2R, 32, // USB2PR + PR2M, 32, // USB2PRM + PR3R, 32, // USB3PR + PR3M, 32, // USB3PRM + } + + // Clear status bits + Method (LPCL, 0, Serialized) + { + OperationRegion (XREG, SystemMemory, + ShiftLeft (^XMEM, 16), 0x600) + Field (XREG, DWordAcc, Lock, Preserve) + { + Offset (0x510), // PORTSCNUSB3[0] + , 17, + CLR1, 7, // Status Change bits 23:17 + Offset (0x520), // PORTSCNUSB3[1] + , 17, + CLR2, 7, // Status Change Bits 23:17 + Offset (0x530), // PORTSCNUSB3[2] + , 17, + CLR3, 7, // Status Change Bits 23:17 + Offset (0x540), // PORTSCNUSB3[3] + , 17, + CLR4, 7, // Status Change Bits 23:17 + } + + Store (0x7f, CLR1) + Store (0x7f, CLR2) + Store (0x7f, CLR3) + Store (0x7f, CLR4) + } + + Method (LPS0, 0, Serialized) + { + OperationRegion (XREG, SystemMemory, + ShiftLeft (^XMEM, 16), 0x600) + Field (XREG, DWordAcc, Lock, Preserve) + { + Offset (0x510), // PORTSCNUSB3 + , 5, + PLS1, 4, // [8:5] Port Link State + PPR1, 1, // [9] Port Power + , 7, + CSC1, 1, // [17] Connect Status Change + , 1, + WRC1, 1, // [19] Warm Port Reset Change + , 11, + WPR1, 1, // [31] Warm Port Reset + Offset (0x520), // PORTSCNUSB3 + , 5, + PLS2, 4, // [8:5] Port Link State + PPR2, 1, // [9] Port Power + , 7, + CSC2, 1, // [17] Connect Status Change + , 1, + WRC2, 1, // [19] Warm Port Reset Change + , 11, + WPR2, 1, // [31] Warm Port Reset + Offset (0x530), // PORTSCNUSB3 + , 5, + PLS3, 4, // [8:5] Port Link State + PPR3, 1, // [9] Port Power + , 7, + CSC3, 1, // [17] Connect Status Change + , 1, + WRC3, 1, // [19] Warm Port Reset Change + , 11, + WPR3, 1, // [31] Warm Port Reset + Offset (0x540), // PORTSCNUSB3 + , 5, + PLS4, 4, // [8:5] Port Link State + PPR4, 1, // [9] Port Power + , 7, + CSC4, 1, // [17] Connect Status Change + , 1, + WRC4, 1, // [19] Warm Port Reset Change + , 11, + WPR4, 1, // [31] Warm Port Reset + } + + // Wait for all powered ports to finish polling + Store (10, Local0) + While (LOr (LOr (LAnd (LEqual (PPR1, 1), LEqual (PLS1, PLSP)), + LAnd (LEqual (PPR2, 1), LEqual (PLS2, PLSP))), + LOr (LAnd (LEqual (PPR3, 1), LEqual (PLS3, PLSP)), + LAnd (LEqual (PPR4, 1), LEqual (PLS4, PLSP))))) + { + If (LEqual (Local0, 0)) { + Break + } + Decrement (Local0) + Stall (10) + } + + // For each USB3 Port: + // If port is disconnected (PLS=5 PP=1 CSC=0) + // 1) Issue warm reset (WPR=1) + // 2) Poll for warm reset complete (WRC=0) + // 3) Write 1 to port status to clear + + // Local# indicate if port is reset + Store (0, Local1) + Store (0, Local2) + Store (0, Local3) + Store (0, Local4) + + If (LAnd (LEqual (PLS1, PLSD), + LAnd (LEqual (CSC1, 0), LEqual (PPR1, 1)))) { + Store (1, WPR1) // Issue warm reset + Store (1, Local1) + } + If (LAnd (LEqual (PLS2, PLSD), + LAnd (LEqual (CSC2, 0), LEqual (PPR2, 1)))) { + Store (1, WPR2) // Issue warm reset + Store (1, Local2) + } + If (LAnd (LEqual (PLS3, PLSD), + LAnd (LEqual (CSC3, 0), LEqual (PPR3, 1)))) { + Store (1, WPR3) // Issue warm reset + Store (1, Local3) + } + If (LAnd (LEqual (PLS4, PLSD), + LAnd (LEqual (CSC4, 0), LEqual (PPR4, 1)))) { + Store (1, WPR4) // Issue warm reset + Store (1, Local4) + } + + // Poll for warm reset complete on all ports that were reset + Store (10, Local0) + While (LOr (LOr (LAnd (LEqual (Local1, 1), LEqual (WRC1, 0)), + LAnd (LEqual (Local2, 1), LEqual (WRC2, 0))), + LOr (LAnd (LEqual (Local3, 1), LEqual (WRC3, 0)), + LAnd (LEqual (Local4, 1), LEqual (WRC4, 0))))) + { + If (LEqual (Local0, 0)) { + Break + } + Decrement (Local0) + Stall (10) + } + + // Clear status bits in all ports + LPCL () + } + + Method (_PS0, 0, Serialized) + { + If (LEqual (^DVID, 0xFFFF)) { + Return () + } + If (LOr (LEqual (^XMEM, 0xFFFF), LEqual (^XMEM, 0x0000))) { + Return () + } + + OperationRegion (XREG, SystemMemory, + Add (ShiftLeft (^XMEM, 16), 0x8000), 0x200) + Field (XREG, DWordAcc, Lock, Preserve) + { + Offset (0x0e0), // AUX Reset Control 1 + , 15, + AX15, 1, + Offset (0x154), // AUX Domain PM Control Register 2 + , 31, + CLK2, 1, + Offset (0x16c), // AUX Clock Control + , 2, + CLK0, 1, + , 11, + CLK1, 1, // USB3 Port Aux/Core Clock Gating Enable + } + + // If device is in D3, set back to D0 + Store (^D0D3, Local0) + if (LEqual (Local0, 3)) { + Store (0, ^D0D3) + } + + If (\ISLP ()) { + // Clear PCI 0xB0[14:13] + Store (0, ^MB13) + Store (0, ^MB14) + + // Clear MMIO 0x816C[14,2] + Store (0, CLK0) + Store (0, CLK1) + } + + // Set MMIO 0x8154[31] + Store (1, CLK2) + + If (\ISLP ()) { + // Handle per-port reset if needed + LPS0 () + + // Set MMIO 0x80e0[15] + Store (1, AX15) + } + + // Put device in D3 if it was there originally + If (LEqual (Local0, 3)) { + Store (3, ^D0D3) + } + + Return () + } + + Method (_PS3, 0, Serialized) + { + If (LEqual (^DVID, 0xFFFF)) { + Return () + } + If (LOr (LEqual (^XMEM, 0xFFFF), LEqual (^XMEM, 0x0000))) { + Return () + } + + OperationRegion (XREG, SystemMemory, + Add (ShiftLeft (^XMEM, 16), 0x8000), 0x200) + Field (XREG, DWordAcc, Lock, Preserve) + { + Offset (0x0e0), // AUX Reset Control 1 + , 15, + AX15, 1, + Offset (0x154), // AUX Domain PM Control Register 2 + , 31, + CLK2, 1, + Offset (0x16c), // AUX Clock Control + , 2, + CLK0, 1, + , 11, + CLK1, 1, // USB3 Port Aux/Core Clock Gating Enable + } + + Store (1, ^PMES) // Clear PME Status + Store (1, ^PMEE) // Enable PME + + // If device is in D3, set back to D0 + Store (^D0D3, Local0) + if (LEqual (Local0, 3)) { + Store (0, ^D0D3) + } + + If (\ISLP ()) { + // Set PCI 0xB0[14:13] + Store (1, ^MB13) + Store (1, ^MB14) + + // Set MMIO 0x816C[14,2] + Store (1, CLK0) + Store (1, CLK1) + } + + // Clear MMIO 0x8154[31] + Store (0, CLK2) + + If (\ISLP ()) { + // Clear MMIO 0x80e0[15] + Store (0, AX15) + } + + // Put device in D3 + If (LEqual (Local0, 3)) { + Store (3, ^D0D3) + } + + Return () + } Name (PRWH, Package(){ 0x0d, 3 }) // LPT-H Name (PRWL, Package(){ 0x6d, 3 }) // LPT-LP |