diff options
| -rw-r--r-- | src/soc/intel/broadwell/acpi/xhci.asl | 68 |
1 files changed, 46 insertions, 22 deletions
diff --git a/src/soc/intel/broadwell/acpi/xhci.asl b/src/soc/intel/broadwell/acpi/xhci.asl index 9d870e578c..c41275ccd2 100644 --- a/src/soc/intel/broadwell/acpi/xhci.asl +++ b/src/soc/intel/broadwell/acpi/xhci.asl @@ -35,6 +35,14 @@ Device (XHCI) Offset (0x10), , 16, XMEM, 16, // MEM_BASE + Offset (0x40), + , 11, + SWAI, 1, + , 20, + Offset (0x44), + , 12, + SAIP, 2, + , 18, Offset (0x74), D0D3, 2, , 6, @@ -242,22 +250,30 @@ Device (XHCI) Store (0, ^D0D3) } - // Clear PCI 0xB0[14:13] - Store (0, ^MB13) - Store (0, ^MB14) + if (LNot (\ISWP())) { + // Clear PCI 0xB0[14:13] + Store (0, ^MB13) + Store (0, ^MB14) - // Clear MMIO 0x816C[14,2] - Store (0, CLK0) - Store (0, CLK1) + // Clear MMIO 0x816C[14,2] + Store (0, CLK0) + Store (0, CLK1) - // Set MMIO 0x8154[31] - Store (1, CLK2) + // Set MMIO 0x8154[31] + Store (1, CLK2) - // Handle per-port reset if needed - LPS0 () + // Handle per-port reset if needed + LPS0 () - // Set MMIO 0x80e0[15] - Store (1, AX15) + // Set MMIO 0x80e0[15] + Store (1, AX15) + + // Clear PCI CFG offset 0x40[11] + Store (0, ^SWAI) + + // Clear PCI CFG offset 0x44[13:12] + Store (0, ^SAIP) + } Return () } @@ -297,19 +313,27 @@ Device (XHCI) Store (0, ^D0D3) } - // Set PCI 0xB0[14:13] - Store (1, ^MB13) - Store (1, ^MB14) + if (LNot (\ISWP())) { + // Set PCI 0xB0[14:13] + Store (1, ^MB13) + Store (1, ^MB14) - // Set MMIO 0x816C[14,2] - Store (1, CLK0) - Store (1, CLK1) + // Set MMIO 0x816C[14,2] + Store (1, CLK0) + Store (1, CLK1) - // Clear MMIO 0x8154[31] - Store (0, CLK2) + // Clear MMIO 0x8154[31] + Store (0, CLK2) - // Clear MMIO 0x80e0[15] - Store (0, AX15) + // Clear MMIO 0x80e0[15] + Store (0, AX15) + + // Set PCI CFG offset 0x40[11] + Store (1, ^SWAI) + + // Set PCI CFG offset 0x44[13:12] + Store (1, ^SAIP) + } // Put device in D3 Store (3, ^D0D3) |