diff options
Diffstat (limited to 'src/southbridge/intel/lynxpoint/acpi/xhci.asl')
-rw-r--r-- | src/southbridge/intel/lynxpoint/acpi/xhci.asl | 344 |
1 files changed, 344 insertions, 0 deletions
diff --git a/src/southbridge/intel/lynxpoint/acpi/xhci.asl b/src/southbridge/intel/lynxpoint/acpi/xhci.asl new file mode 100644 index 0000000000..65f1869e10 --- /dev/null +++ b/src/southbridge/intel/lynxpoint/acpi/xhci.asl @@ -0,0 +1,344 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +// XHCI Controller 0:14.0 + +Device (XHCI) +{ + Name (_ADR, 0x00140000) + + Name (PLSD, 5) // Port Link State - RxDetect + Name (PLSP, 7) // Port Link State - Polling + + OperationRegion (XPRT, PCI_Config, 0, 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, ^XMEM << 16, 0x600) + Field (XREG, DWordAcc, Lock, Preserve) + { + Offset (0x510), // PORTSCNUSB3[0] + PSC0, 32, + Offset (0x520), // PORTSCNUSB3[1] + PSC1, 32, + Offset (0x530), // PORTSCNUSB3[2] + PSC2, 32, + Offset (0x540), // PORTSCNUSB3[3] + PSC3, 32, + } + + // Port Enabled/Disabled (Bit 1) + Name (PEDB, 1 << 1) + + // Change Status (Bits 23:17) + Name (CHST, 0x7f << 17) + + // Port 0 + Local0 = PSC0 & ~PEDB + PSC0 = Local0 | CHST + + // Port 1 + Local0 = PSC1 & ~PEDB + PSC1 = Local0 | CHST + + // Port 2 + Local0 = PSC2 & ~PEDB + PSC2 = Local0 | CHST + + // Port 3 + Local0 = PSC3 & ~PEDB + PSC3 = Local0 | CHST + } + + Method (LPS0, 0, Serialized) + { + OperationRegion (XREG, SystemMemory, ^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 + Local0 = 10 + While ((PPR1 == 1 && PLS1 == PLSP || PPR2 == 1 && PLS2 == PLSP) || + (PPR3 == 1 && PLS3 == PLSP || PPR4 == 1 && PLS4 == PLSP)) + { + If (Local0 == 0) { + Break + } + 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 + Local1 = 0 + Local2 = 0 + Local3 = 0 + Local4 = 0 + + If (PLS1 == PLSD && (CSC1 == 0 && PPR1 == 1)) { + WPR1 = 1 // Issue warm reset + Local1 = 1 + } + If (PLS2 == PLSD && (CSC2 == 0 && PPR2 == 1)) { + WPR2 = 1 // Issue warm reset + Local2 = 1 + } + If (PLS3 == PLSD && (CSC3 == 0 && PPR3 == 1)) { + WPR3 = 1 // Issue warm reset + Local3 = 1 + } + If (PLS4 == PLSD && (CSC4 == 0 && PPR4 == 1)) { + WPR4 = 1 // Issue warm reset + Local4 = 1 + } + + // Poll for warm reset complete on all ports that were reset + Local0 = 10 + While ((Local1 == 1 && WRC1 == 0 || Local2 == 1 && WRC2 == 0) || + (Local3 == 1 && WRC3 == 0 || Local4 == 1 && WRC4 == 0)) + { + If (Local0 == 0) { + Break + } + Local0-- + Stall (10) + } + + // Clear status bits in all ports + LPCL () + } + + Method (_PSC, 0, NotSerialized) + { + Return (^D0D3) + } + + Method (_PS0, 0, Serialized) + { + If (^DVID == 0xFFFF) { + Return () + } + If (^XMEM == 0xFFFF || ^XMEM == 0) { + Return () + } + + OperationRegion (XREG, SystemMemory, (^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 + Local0 = ^D0D3 + if (Local0 == 3) { + ^D0D3 = 0 + } + + If (\ISLP ()) { + // Clear PCI 0xB0[14:13] + ^MB13 = 0 + ^MB14 = 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 () + + // Set MMIO 0x80e0[15] + AX15 = 1 + } + + Return () + } + + Method (_PS3, 0, Serialized) + { + If (^DVID == 0xFFFF) { + Return () + } + If (^XMEM == 0xFFFF || ^XMEM == 0) { + Return () + } + + OperationRegion (XREG, SystemMemory, (^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 + } + + ^PMES = 1 // Clear PME Status + ^PMEE = 1 // Enable PME + + // If device is in D3, set back to D0 + Local0 = ^D0D3 + if (Local0 == 3) { + ^D0D3 = 0 + } + + If (\ISLP ()) { + // Set PCI 0xB0[14:13] + ^MB13 = 1 + ^MB14 = 1 + + // Set MMIO 0x816C[14,2] + CLK0 = 1 + CLK1 = 1 + } + + // Clear MMIO 0x8154[31] + CLK2 = 0 + + If (\ISLP ()) { + // Clear MMIO 0x80e0[15] + AX15 = 0 + } + + // Put device in D3 + ^D0D3 = 3 + + Return () + } + + Name (_PRW, Package () { DEFAULT_PRW_VALUE, 3 }) + + // Leave USB ports on for to allow Wake from USB + + Method (_S3D, 0) // Highest D State in S3 State + { + Return (3) + } + + Method (_S4D, 0) // Highest D State in S4 State + { + Return (3) + } + + Device (HUB7) + { + Name (_ADR, 0) + + // GPLD: Generate Port Location Data (PLD) + Method (GPLD, 1, Serialized) { + Name (PCKG, Package () { + Buffer (0x10) {} + }) + + // REV: Revision 2 for ACPI 5.0 + CreateField (DerefOf (PCKG [0]), 0, 7, REV) + REV = 2 + + // VISI: Port visibility to user per port + CreateField (DerefOf (PCKG [0]), 0x40, 1, VISI) + VISI = Arg0 + Return (PCKG) + } + + Device (PRT1) { Name (_ADR, 1) } // USB Port 0 + Device (PRT2) { Name (_ADR, 2) } // USB Port 1 + Device (PRT3) { Name (_ADR, 3) } // USB Port 2 + Device (PRT4) { Name (_ADR, 4) } // USB Port 3 + Device (PRT5) { Name (_ADR, 5) } // USB Port 4 + Device (PRT6) { Name (_ADR, 6) } // USB Port 5 + Device (PRT7) { Name (_ADR, 7) } // USB Port 6 + Device (SSP1) { Name (_ADR, 10) } // USB Port 10 + Device (SSP2) { Name (_ADR, 11) } // USB Port 11 + Device (SSP3) { Name (_ADR, 12) } // USB Port 12 + Device (SSP4) { Name (_ADR, 13) } // USB Port 13 + } +} |