Re: Regression causes a hang on boot with a Comtrol PCI card

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On Thu, Apr 4, 2019 at 12:16 PM Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> wrote:
> > I added debug statements to quirk_usb_early_handoff, quirk_usb_disable_ehci &
> > ehci_bios_handoff. The box hangs right before calling:
> >
> > pci_write_config_byte(pdev, offset + 3, 1);
>
> Right _before_ that line?  Not _after_ it?

Sorry I should have been more precise, it hangs executing the above
pci_write_config_function. I get the debug printk immediately preceding
that line.

> That's surprising because the two preceding lines of code are the
> condition of an "if" statement and a dev_dbg() call.  I don't see how
> either of them could cause a hang.
>
> Maybe the hang is a delayed reaction to something happening somewhere
> else.  But on the assumption that it isn't, you could try commenting
> out various parts of ehci_bios_handoff to see which ones make a
> difference.

will do

> > which is in ehci_bios_handoff:
> >
> > [   10.698240] DEBUG: Passed quirk_usb_early_handoff 1300
> > [   10.704271] DEBUG: Passed quirk_usb_early_handoff 1308
> > [   10.710206] DEBUG: Passed quirk_usb_disable_ehci 939
> > [   10.715949] DEBUG: Passed quirk_usb_disable_ehci 945
> > [   10.721685] DEBUG: Passed quirk_usb_disable_ehci 950
> > [   10.727423] DEBUG: Passed quirk_usb_disable_ehci 958
> > [   10.733160] DEBUG: Passed quirk_usb_disable_ehci 964
> > [   10.738897] DEBUG: Passed quirk_usb_disable_ehci 968
> > [   10.744633] DEBUG: Passed ehci_bios_handoff 849
> > [   10.749884] DEBUG: Passed ehci_bios_handoff 884
> >
> > I have attached the debug output, and my modified pci-quirks.c file
> > to the bug report, let me know what else I can do to help.

sorry I attached them to the bug report, but I have attached them to this
email as well.
Loading Linux 5.0.0-bt9-amd64 ...
Loading initial ramdisk ...
[    0.000000] Linux version 5.0.0-bt9-amd64 (root@41a966e12c40) (gcc version 6.3.0 20170516 (Debian 6.3.0-18+deb9u1)) #1 SMP Wed Apr 3 21:43:23 UTC 2019
[    0.000000] Command line: BOOT_IMAGE=/vmlinuz-5.0.0-bt9-amd64 root=/dev/mapper/vg0-root ro console=tty0 console=ttyS0,115200n8
[    0.000000] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers'
[    0.000000] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers'
[    0.000000] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers'
[    0.000000] x86/fpu: xstate_offset[2]:  576, xstate_sizes[2]:  256
[    0.000000] x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'standard' format.
[    0.000000] BIOS-provided physical RAM map:
[    0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009bfff] usable
[    0.000000] BIOS-e820: [mem 0x000000000009c000-0x000000000009ffff] reserved
[    0.000000] BIOS-e820: [mem 0x00000000000e0000-0x00000000000fffff] reserved
[    0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000007a288fff] usable
[    0.000000] BIOS-e820: [mem 0x000000007a289000-0x000000007af0afff] reserved
[    0.000000] BIOS-e820: [mem 0x000000007af0b000-0x000000007b93afff] ACPI NVS
[    0.000000] BIOS-e820: [mem 0x000000007b93b000-0x000000007bab4fff] ACPI data
[    0.000000] BIOS-e820: [mem 0x000000007bab5000-0x000000007bae8fff] usable
[    0.000000] BIOS-e820: [mem 0x000000007bae9000-0x000000007bafefff] ACPI data
[    0.000000] BIOS-e820: [mem 0x000000007baff000-0x000000007bafffff] usable
[    0.000000] BIOS-e820: [mem 0x000000007bb00000-0x000000008fffffff] reserved
[    0.000000] BIOS-e820: [mem 0x00000000feda8000-0x00000000fedabfff] reserved
[    0.000000] BIOS-e820: [mem 0x00000000ff310000-0x00000000ffffffff] reserved
[    0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000807fffffff] usable
[    0.000000] NX (Execute Disable) protection: active
[    0.000000] SMBIOS 2.8 present.
[    0.000000] DMI: Dell Inc. PowerEdge R630/0CNCJW, BIOS 2.8.0 005/17/2018
[    0.000000] tsc: Fast TSC calibration using PIT
[    0.000000] tsc: Detected 2300.015 MHz processor
[    0.002163] last_pfn = 0x8080000 max_arch_pfn = 0x400000000
[    0.005345] x86/PAT: Configuration [0-7]: WB  WC  UC- UC  WB  WP  UC- WT
[    0.005898] x2apic: enabled by BIOS, switching to x2apic ops
[    0.005902] last_pfn = 0x7bb00 max_arch_pfn = 0x400000000
[    0.013383] Using GB pages for direct mapping
[    0.013572] RAMDISK: [mem 0x353b9000-0x369d3fff]
[    0.013578] ACPI: Early table checksum verification disabled
[    0.013636] ACPI: RSDP 0x00000000000FE320 000024 (v02 DELL  )
[    0.013640] ACPI: XSDT 0x000000007BAB30E8 0000C4 (v01 DELL   PE_SC3   00000000      01000013)
[    0.013646] ACPI: FACP 0x000000007BAAF000 0000F4 (v04 DELL   PE_SC3   00000000 DELL 00000001)
[    0.013650] ACPI: DSDT 0x000000007BA95000 010777 (v02 DELL   PE_SC3   00000003 DELL 00000001)
[    0.013653] ACPI: FACS 0x000000007B833000 000040
[    0.013655] ACPI: MCEJ 0x000000007BAB2000 000130 (v01 INTEL           00000001 INTL 0100000D)
[    0.013658] ACPI: WDAT 0x000000007BAB1000 000134 (v01 DELL   PE_SC3   00000001 DELL 00000001)
[    0.013660] ACPI: SLIC 0x000000007BAB0000 000024 (v01 DELL   PE_SC3   00000001 DELL 00000001)
[    0.013662] ACPI: HPET 0x000000007BAAE000 000038 (v01 DELL   PE_SC3   00000001 DELL 00000001)
[    0.013664] ACPI: APIC 0x000000007BAAC000 001FFC (v03 DELL   PE_SC3   00000000 DELL 00000001)
[    0.013666] ACPI: MCFG 0x000000007BAAB000 00003C (v01 DELL   PE_SC3   00000001 DELL 00000001)
[    0.013668] ACPI: MSCT 0x000000007BAAA000 000090 (v01 DELL   PE_SC3   00000001 DELL 00000001)
[    0.013671] ACPI: SLIT 0x000000007BAA9000 00006C (v01 DELL   PE_SC3   00000001 DELL 00000001)
[    0.013673] ACPI: SRAT 0x000000007BAA6000 002330 (v03 DELL   PE_SC3   00000002 DELL 00000001)
[    0.013675] ACPI: SSDT 0x000000007B952000 1424A9 (v02 DELL   PE_SC3   00004000 INTL 20121114)
[    0.013678] ACPI: SSDT 0x000000007B94F000 00217F (v02 DELL   PE_SC3   00000002 INTL 20121114)
[    0.013680] ACPI: SSDT 0x000000007B94E000 00006E (v02 DELL   PE_SC3   00000002 INTL 20121114)
[    0.013682] ACPI: PRAD 0x000000007B94D000 000132 (v02 DELL   PE_SC3   00000002 INTL 20121114)
[    0.013684] ACPI: SPCR 0x000000007BAFE000 000050 (v01                 00000000      00000000)
[    0.013687] ACPI: DMAR 0x000000007BAFD000 000138 (v01 DELL   PE_SC3   00000001 DELL 00000001)
[    0.013689] ACPI: HEST 0x000000007BAF1000 00017C (v01 DELL   PE_SC3   00000002 DELL 00000001)
[    0.013691] ACPI: BERT 0x000000007BAF0000 000030 (v01 DELL   PE_SC3   00000002 DELL 00000001)
[    0.013693] ACPI: ERST 0x000000007BAEF000 000230 (v01 DELL   PE_SC3   00000002 DELL 00000001)
[    0.013695] ACPI: EINJ 0x000000007BAEE000 000150 (v01 DELL   PE_SC3   00000002 DELL 00000001)
[    0.013705] Setting APIC routing to cluster x2apic.
[    0.013731] SRAT: PXM 0 -> APIC 0x00 -> Node 0
[    0.013732] SRAT: PXM 1 -> APIC 0x20 -> Node 1
[    0.013733] SRAT: PXM 0 -> APIC 0x02 -> Node 0
[    0.013733] SRAT: PXM 1 -> APIC 0x22 -> Node 1
[    0.013734] SRAT: PXM 0 -> APIC 0x04 -> Node 0
[    0.013735] SRAT: PXM 1 -> APIC 0x24 -> Node 1
[    0.013735] SRAT: PXM 0 -> APIC 0x06 -> Node 0
[    0.013736] SRAT: PXM 1 -> APIC 0x26 -> Node 1
[    0.013736] SRAT: PXM 0 -> APIC 0x08 -> Node 0
[    0.013737] SRAT: PXM 1 -> APIC 0x28 -> Node 1
[    0.013738] SRAT: PXM 0 -> APIC 0x0a -> Node 0
[    0.013738] SRAT: PXM 1 -> APIC 0x2a -> Node 1
[    0.013739] SRAT: PXM 0 -> APIC 0x0c -> Node 0
[    0.013740] SRAT: PXM 1 -> APIC 0x2c -> Node 1
[    0.013740] SRAT: PXM 0 -> APIC 0x0e -> Node 0
[    0.013741] SRAT: PXM 1 -> APIC 0x2e -> Node 1
[    0.013741] SRAT: PXM 0 -> APIC 0x10 -> Node 0
[    0.013742] SRAT: PXM 1 -> APIC 0x30 -> Node 1
[    0.013743] SRAT: PXM 0 -> APIC 0x12 -> Node 0
[    0.013743] SRAT: PXM 1 -> APIC 0x32 -> Node 1
[    0.013744] SRAT: PXM 0 -> APIC 0x14 -> Node 0
[    0.013745] SRAT: PXM 1 -> APIC 0x34 -> Node 1
[    0.013746] SRAT: PXM 0 -> APIC 0x16 -> Node 0
[    0.013746] SRAT: PXM 1 -> APIC 0x36 -> Node 1
[    0.013747] SRAT: PXM 0 -> APIC 0x18 -> Node 0
[    0.013747] SRAT: PXM 1 -> APIC 0x38 -> Node 1
[    0.013748] SRAT: PXM 0 -> APIC 0x1a -> Node 0
[    0.013749] SRAT: PXM 1 -> APIC 0x3a -> Node 1
[    0.013749] SRAT: PXM 0 -> APIC 0x1c -> Node 0
[    0.013750] SRAT: PXM 1 -> APIC 0x3c -> Node 1
[    0.013751] SRAT: PXM 0 -> APIC 0x1e -> Node 0
[    0.013751] SRAT: PXM 1 -> APIC 0x3e -> Node 1
[    0.013752] SRAT: PXM 0 -> APIC 0x01 -> Node 0
[    0.013753] SRAT: PXM 1 -> APIC 0x21 -> Node 1
[    0.013753] SRAT: PXM 0 -> APIC 0x03 -> Node 0
[    0.013754] SRAT: PXM 1 -> APIC 0x23 -> Node 1
[    0.013755] SRAT: PXM 0 -> APIC 0x05 -> Node 0
[    0.013755] SRAT: PXM 1 -> APIC 0x25 -> Node 1
[    0.013756] SRAT: PXM 0 -> APIC 0x07 -> Node 0
[    0.013757] SRAT: PXM 1 -> APIC 0x27 -> Node 1
[    0.013757] SRAT: PXM 0 -> APIC 0x09 -> Node 0
[    0.013758] SRAT: PXM 1 -> APIC 0x29 -> Node 1
[    0.013758] SRAT: PXM 0 -> APIC 0x0b -> Node 0
[    0.013759] SRAT: PXM 1 -> APIC 0x2b -> Node 1
[    0.013760] SRAT: PXM 0 -> APIC 0x0d -> Node 0
[    0.013760] SRAT: PXM 1 -> APIC 0x2d -> Node 1
[    0.013761] SRAT: PXM 0 -> APIC 0x0f -> Node 0
[    0.013762] SRAT: PXM 1 -> APIC 0x2f -> Node 1
[    0.013762] SRAT: PXM 0 -> APIC 0x11 -> Node 0
[    0.013763] SRAT: PXM 1 -> APIC 0x31 -> Node 1
[    0.013763] SRAT: PXM 0 -> APIC 0x13 -> Node 0
[    0.013764] SRAT: PXM 1 -> APIC 0x33 -> Node 1
[    0.013765] SRAT: PXM 0 -> APIC 0x15 -> Node 0
[    0.013765] SRAT: PXM 1 -> APIC 0x35 -> Node 1
[    0.013766] SRAT: PXM 0 -> APIC 0x17 -> Node 0
[    0.013766] SRAT: PXM 1 -> APIC 0x37 -> Node 1
[    0.013767] SRAT: PXM 0 -> APIC 0x19 -> Node 0
[    0.013768] SRAT: PXM 1 -> APIC 0x39 -> Node 1
[    0.013768] SRAT: PXM 0 -> APIC 0x1b -> Node 0
[    0.013769] SRAT: PXM 1 -> APIC 0x3b -> Node 1
[    0.013770] SRAT: PXM 0 -> APIC 0x1d -> Node 0
[    0.013770] SRAT: PXM 1 -> APIC 0x3d -> Node 1
[    0.013771] SRAT: PXM 0 -> APIC 0x1f -> Node 0
[    0.013771] SRAT: PXM 1 -> APIC 0x3f -> Node 1
[    0.013782] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x407fffffff]
[    0.013783] ACPI: SRAT: Node 1 PXM 1 [mem 0x4080000000-0x807fffffff]
[    0.013791] NODE_DATA(0) allocated [mem 0x407fffb000-0x407fffffff]
[    0.013796] NODE_DATA(1) allocated [mem 0x807fffa000-0x807fffefff]
[    0.014232] Zone ranges:
[    0.014233]   DMA      [mem 0x0000000000001000-0x0000000000ffffff]
[    0.014234]   DMA32    [mem 0x0000000001000000-0x00000000ffffffff]
[    0.014236]   Normal   [mem 0x0000000100000000-0x000000807fffffff]
[    0.014237]   Device   empty
[    0.014238] Movable zone start for each node
[    0.014238] Early memory node ranges
[    0.014239]   node   0: [mem 0x0000000000001000-0x000000000009bfff]
[    0.014240]   node   0: [mem 0x0000000000100000-0x000000007a288fff]
[    0.014241]   node   0: [mem 0x000000007bab5000-0x000000007bae8fff]
[    0.014242]   node   0: [mem 0x000000007baff000-0x000000007bafffff]
[    0.014243]   node   0: [mem 0x0000000100000000-0x000000407fffffff]
[    0.014243]   node   1: [mem 0x0000004080000000-0x000000807fffffff]
[    0.014644] Zeroed struct page in unavailable ranges: 23975 pages
[    0.014645] Initmem setup node 0 [mem 0x0000000000001000-0x000000407fffffff]
[    1.402605] Initmem setup node 1 [mem 0x0000004080000000-0x000000807fffffff]
[    2.863113] ACPI: PM-Timer IO Port: 0x408
[    2.863140] ACPI: X2APIC_NMI (uid[0x00] high level lint[0x1])
[    2.863141] ACPI: X2APIC_NMI (uid[0x01] high level lint[0x1])
[    2.863142] ACPI: X2APIC_NMI (uid[0x02] high level lint[0x1])
[    2.863142] ACPI: X2APIC_NMI (uid[0x03] high level lint[0x1])
[    2.863143] ACPI: X2APIC_NMI (uid[0x04] high level lint[0x1])
[    2.863144] ACPI: X2APIC_NMI (uid[0x05] high level lint[0x1])
[    2.863144] ACPI: X2APIC_NMI (uid[0x06] high level lint[0x1])
[    2.863145] ACPI: X2APIC_NMI (uid[0x07] high level lint[0x1])
[    2.863146] ACPI: X2APIC_NMI (uid[0x08] high level lint[0x1])
[    2.863146] ACPI: X2APIC_NMI (uid[0x09] high level lint[0x1])
[    2.863147] ACPI: X2APIC_NMI (uid[0x0a] high level lint[0x1])
[    2.863148] ACPI: X2APIC_NMI (uid[0x0b] high level lint[0x1])
[    2.863148] ACPI: X2APIC_NMI (uid[0x0c] high level lint[0x1])
[    2.863149] ACPI: X2APIC_NMI (uid[0x0d] high level lint[0x1])
[    2.863149] ACPI: X2APIC_NMI (uid[0x0e] high level lint[0x1])
[    2.863150] ACPI: X2APIC_NMI (uid[0x0f] high level lint[0x1])
[    2.863151] ACPI: X2APIC_NMI (uid[0x10] high level lint[0x1])
[    2.863151] ACPI: X2APIC_NMI (uid[0x11] high level lint[0x1])
[    2.863152] ACPI: X2APIC_NMI (uid[0x12] high level lint[0x1])
[    2.863153] ACPI: X2APIC_NMI (uid[0x13] high level lint[0x1])
[    2.863153] ACPI: X2APIC_NMI (uid[0x14] high level lint[0x1])
[    2.863154] ACPI: X2APIC_NMI (uid[0x15] high level lint[0x1])
[    2.863155] ACPI: X2APIC_NMI (uid[0x16] high level lint[0x1])
[    2.863155] ACPI: X2APIC_NMI (uid[0x17] high level lint[0x1])
[    2.863156] ACPI: X2APIC_NMI (uid[0x18] high level lint[0x1])
[    2.863157] ACPI: X2APIC_NMI (uid[0x19] high level lint[0x1])
[    2.863157] ACPI: X2APIC_NMI (uid[0x1a] high level lint[0x1])
[    2.863158] ACPI: X2APIC_NMI (uid[0x1b] high level lint[0x1])
[    2.863159] ACPI: X2APIC_NMI (uid[0x1c] high level lint[0x1])
[    2.863159] ACPI: X2APIC_NMI (uid[0x1d] high level lint[0x1])
[    2.863160] ACPI: X2APIC_NMI (uid[0x1e] high level lint[0x1])
[    2.863160] ACPI: X2APIC_NMI (uid[0x1f] high level lint[0x1])
[    2.863161] ACPI: X2APIC_NMI (uid[0x20] high level lint[0x1])
[    2.863162] ACPI: X2APIC_NMI (uid[0x21] high level lint[0x1])
[    2.863162] ACPI: X2APIC_NMI (uid[0x22] high level lint[0x1])
[    2.863163] ACPI: X2APIC_NMI (uid[0x23] high level lint[0x1])
[    2.863164] ACPI: X2APIC_NMI (uid[0x24] high level lint[0x1])
[    2.863164] ACPI: X2APIC_NMI (uid[0x25] high level lint[0x1])
[    2.863165] ACPI: X2APIC_NMI (uid[0x26] high level lint[0x1])
[    2.863166] ACPI: X2APIC_NMI (uid[0x27] high level lint[0x1])
[    2.863166] ACPI: X2APIC_NMI (uid[0x28] high level lint[0x1])
[    2.863167] ACPI: X2APIC_NMI (uid[0x29] high level lint[0x1])
[    2.863168] ACPI: X2APIC_NMI (uid[0x2a] high level lint[0x1])
[    2.863168] ACPI: X2APIC_NMI (uid[0x2b] high level lint[0x1])
[    2.863169] ACPI: X2APIC_NMI (uid[0x2c] high level lint[0x1])
[    2.863169] ACPI: X2APIC_NMI (uid[0x2d] high level lint[0x1])
[    2.863170] ACPI: X2APIC_NMI (uid[0x2e] high level lint[0x1])
[    2.863171] ACPI: X2APIC_NMI (uid[0x2f] high level lint[0x1])
[    2.863171] ACPI: X2APIC_NMI (uid[0x30] high level lint[0x1])
[    2.863172] ACPI: X2APIC_NMI (uid[0x31] high level lint[0x1])
[    2.863173] ACPI: X2APIC_NMI (uid[0x32] high level lint[0x1])
[    2.863173] ACPI: X2APIC_NMI (uid[0x33] high level lint[0x1])
[    2.863174] ACPI: X2APIC_NMI (uid[0x34] high level lint[0x1])
[    2.863175] ACPI: X2APIC_NMI (uid[0x35] high level lint[0x1])
[    2.863175] ACPI: X2APIC_NMI (uid[0x36] high level lint[0x1])
[    2.863176] ACPI: X2APIC_NMI (uid[0x37] high level lint[0x1])
[    2.863177] ACPI: X2APIC_NMI (uid[0x38] high level lint[0x1])
[    2.863177] ACPI: X2APIC_NMI (uid[0x39] high level lint[0x1])
[    2.863178] ACPI: X2APIC_NMI (uid[0x3a] high level lint[0x1])
[    2.863179] ACPI: X2APIC_NMI (uid[0x3b] high level lint[0x1])
[    2.863179] ACPI: X2APIC_NMI (uid[0x3c] high level lint[0x1])
[    2.863180] ACPI: X2APIC_NMI (uid[0x3d] high level lint[0x1])
[    2.863181] ACPI: X2APIC_NMI (uid[0x3e] high level lint[0x1])
[    2.863181] ACPI: X2APIC_NMI (uid[0x3f] high level lint[0x1])
[    2.863182] ACPI: X2APIC_NMI (uid[0x40] high level lint[0x1])
[    2.863182] ACPI: X2APIC_NMI (uid[0x41] high level lint[0x1])
[    2.863183] ACPI: X2APIC_NMI (uid[0x42] high level lint[0x1])
[    2.863184] ACPI: X2APIC_NMI (uid[0x43] high level lint[0x1])
[    2.863184] ACPI: X2APIC_NMI (uid[0x44] high level lint[0x1])
[    2.863185] ACPI: X2APIC_NMI (uid[0x45] high level lint[0x1])
[    2.863186] ACPI: X2APIC_NMI (uid[0x46] high level lint[0x1])
[    2.863186] ACPI: X2APIC_NMI (uid[0x47] high level lint[0x1])
[    2.863187] ACPI: X2APIC_NMI (uid[0x48] high level lint[0x1])
[    2.863188] ACPI: X2APIC_NMI (uid[0x49] high level lint[0x1])
[    2.863188] ACPI: X2APIC_NMI (uid[0x4a] high level lint[0x1])
[    2.863189] ACPI: X2APIC_NMI (uid[0x4b] high level lint[0x1])
[    2.863189] ACPI: X2APIC_NMI (uid[0x4c] high level lint[0x1])
[    2.863190] ACPI: X2APIC_NMI (uid[0x4d] high level lint[0x1])
[    2.863191] ACPI: X2APIC_NMI (uid[0x4e] high level lint[0x1])
[    2.863191] ACPI: X2APIC_NMI (uid[0x4f] high level lint[0x1])
[    2.863192] ACPI: X2APIC_NMI (uid[0x50] high level lint[0x1])
[    2.863193] ACPI: X2APIC_NMI (uid[0x51] high level lint[0x1])
[    2.863193] ACPI: X2APIC_NMI (uid[0x52] high level lint[0x1])
[    2.863194] ACPI: X2APIC_NMI (uid[0x53] high level lint[0x1])
[    2.863195] ACPI: X2APIC_NMI (uid[0x54] high level lint[0x1])
[    2.863195] ACPI: X2APIC_NMI (uid[0x55] high level lint[0x1])
[    2.863196] ACPI: X2APIC_NMI (uid[0x56] high level lint[0x1])
[    2.863197] ACPI: X2APIC_NMI (uid[0x57] high level lint[0x1])
[    2.863197] ACPI: X2APIC_NMI (uid[0x58] high level lint[0x1])
[    2.863198] ACPI: X2APIC_NMI (uid[0x59] high level lint[0x1])
[    2.863199] ACPI: X2APIC_NMI (uid[0x5a] high level lint[0x1])
[    2.863199] ACPI: X2APIC_NMI (uid[0x5b] high level lint[0x1])
[    2.863200] ACPI: X2APIC_NMI (uid[0x5c] high level lint[0x1])
[    2.863201] ACPI: X2APIC_NMI (uid[0x5d] high level lint[0x1])
[    2.863201] ACPI: X2APIC_NMI (uid[0x5e] high level lint[0x1])
[    2.863202] ACPI: X2APIC_NMI (uid[0x5f] high level lint[0x1])
[    2.863202] ACPI: X2APIC_NMI (uid[0x60] high level lint[0x1])
[    2.863203] ACPI: X2APIC_NMI (uid[0x61] high level lint[0x1])
[    2.863204] ACPI: X2APIC_NMI (uid[0x62] high level lint[0x1])
[    2.863204] ACPI: X2APIC_NMI (uid[0x63] high level lint[0x1])
[    2.863205] ACPI: X2APIC_NMI (uid[0x64] high level lint[0x1])
[    2.863206] ACPI: X2APIC_NMI (uid[0x65] high level lint[0x1])
[    2.863206] ACPI: X2APIC_NMI (uid[0x66] high level lint[0x1])
[    2.863207] ACPI: X2APIC_NMI (uid[0x67] high level lint[0x1])
[    2.863208] ACPI: X2APIC_NMI (uid[0x68] high level lint[0x1])
[    2.863208] ACPI: X2APIC_NMI (uid[0x69] high level lint[0x1])
[    2.863209] ACPI: X2APIC_NMI (uid[0x6a] high level lint[0x1])
[    2.863210] ACPI: X2APIC_NMI (uid[0x6b] high level lint[0x1])
[    2.863210] ACPI: X2APIC_NMI (uid[0x6c] high level lint[0x1])
[    2.863211] ACPI: X2APIC_NMI (uid[0x6d] high level lint[0x1])
[    2.863211] ACPI: X2APIC_NMI (uid[0x6e] high level lint[0x1])
[    2.863212] ACPI: X2APIC_NMI (uid[0x6f] high level lint[0x1])
[    2.863213] ACPI: X2APIC_NMI (uid[0x70] high level lint[0x1])
[    2.863213] ACPI: X2APIC_NMI (uid[0x71] high level lint[0x1])
[    2.863214] ACPI: X2APIC_NMI (uid[0x72] high level lint[0x1])
[    2.863215] ACPI: X2APIC_NMI (uid[0x73] high level lint[0x1])
[    2.863215] ACPI: X2APIC_NMI (uid[0x74] high level lint[0x1])
[    2.863216] ACPI: X2APIC_NMI (uid[0x75] high level lint[0x1])
[    2.863217] ACPI: X2APIC_NMI (uid[0x76] high level lint[0x1])
[    2.863217] ACPI: X2APIC_NMI (uid[0x77] high level lint[0x1])
[    2.863218] ACPI: X2APIC_NMI (uid[0x78] high level lint[0x1])
[    2.863219] ACPI: X2APIC_NMI (uid[0x79] high level lint[0x1])
[    2.863219] ACPI: X2APIC_NMI (uid[0x7a] high level lint[0x1])
[    2.863220] ACPI: X2APIC_NMI (uid[0x7b] high level lint[0x1])
[    2.863220] ACPI: X2APIC_NMI (uid[0x7c] high level lint[0x1])
[    2.863221] ACPI: X2APIC_NMI (uid[0x7d] high level lint[0x1])
[    2.863222] ACPI: X2APIC_NMI (uid[0x7e] high level lint[0x1])
[    2.863222] ACPI: X2APIC_NMI (uid[0x7f] high level lint[0x1])
[    2.863223] ACPI: X2APIC_NMI (uid[0x80] high level lint[0x1])
[    2.863224] ACPI: X2APIC_NMI (uid[0x81] high level lint[0x1])
[    2.863224] ACPI: X2APIC_NMI (uid[0x82] high level lint[0x1])
[    2.863225] ACPI: X2APIC_NMI (uid[0x83] high level lint[0x1])
[    2.863226] ACPI: X2APIC_NMI (uid[0x84] high level lint[0x1])
[    2.863226] ACPI: X2APIC_NMI (uid[0x85] high level lint[0x1])
[    2.863227] ACPI: X2APIC_NMI (uid[0x86] high level lint[0x1])
[    2.863228] ACPI: X2APIC_NMI (uid[0x87] high level lint[0x1])
[    2.863228] ACPI: X2APIC_NMI (uid[0x88] high level lint[0x1])
[    2.863229] ACPI: X2APIC_NMI (uid[0x89] high level lint[0x1])
[    2.863229] ACPI: X2APIC_NMI (uid[0x8a] high level lint[0x1])
[    2.863230] ACPI: X2APIC_NMI (uid[0x8b] high level lint[0x1])
[    2.863231] ACPI: X2APIC_NMI (uid[0x8c] high level lint[0x1])
[    2.863231] ACPI: X2APIC_NMI (uid[0x8d] high level lint[0x1])
[    2.863232] ACPI: X2APIC_NMI (uid[0x8e] high level lint[0x1])
[    2.863233] ACPI: X2APIC_NMI (uid[0x8f] high level lint[0x1])
[    2.863233] ACPI: X2APIC_NMI (uid[0x90] high level lint[0x1])
[    2.863234] ACPI: X2APIC_NMI (uid[0x91] high level lint[0x1])
[    2.863235] ACPI: X2APIC_NMI (uid[0x92] high level lint[0x1])
[    2.863235] ACPI: X2APIC_NMI (uid[0x93] high level lint[0x1])
[    2.863236] ACPI: X2APIC_NMI (uid[0x94] high level lint[0x1])
[    2.863237] ACPI: X2APIC_NMI (uid[0x95] high level lint[0x1])
[    2.863237] ACPI: X2APIC_NMI (uid[0x96] high level lint[0x1])
[    2.863238] ACPI: X2APIC_NMI (uid[0x97] high level lint[0x1])
[    2.863238] ACPI: X2APIC_NMI (uid[0x98] high level lint[0x1])
[    2.863239] ACPI: X2APIC_NMI (uid[0x99] high level lint[0x1])
[    2.863240] ACPI: X2APIC_NMI (uid[0x9a] high level lint[0x1])
[    2.863240] ACPI: X2APIC_NMI (uid[0x9b] high level lint[0x1])
[    2.863241] ACPI: X2APIC_NMI (uid[0x9c] high level lint[0x1])
[    2.863242] ACPI: X2APIC_NMI (uid[0x9d] high level lint[0x1])
[    2.863242] ACPI: X2APIC_NMI (uid[0x9e] high level lint[0x1])
[    2.863243] ACPI: X2APIC_NMI (uid[0x9f] high level lint[0x1])
[    2.863244] ACPI: X2APIC_NMI (uid[0xa0] high level lint[0x1])
[    2.863244] ACPI: X2APIC_NMI (uid[0xa1] high level lint[0x1])
[    2.863245] ACPI: X2APIC_NMI (uid[0xa2] high level lint[0x1])
[    2.863246] ACPI: X2APIC_NMI (uid[0xa3] high level lint[0x1])
[    2.863246] ACPI: X2APIC_NMI (uid[0xa4] high level lint[0x1])
[    2.863247] ACPI: X2APIC_NMI (uid[0xa5] high level lint[0x1])
[    2.863247] ACPI: X2APIC_NMI (uid[0xa6] high level lint[0x1])
[    2.863248] ACPI: X2APIC_NMI (uid[0xa7] high level lint[0x1])
[    2.863249] ACPI: X2APIC_NMI (uid[0xa8] high level lint[0x1])
[    2.863249] ACPI: X2APIC_NMI (uid[0xa9] high level lint[0x1])
[    2.863250] ACPI: X2APIC_NMI (uid[0xaa] high level lint[0x1])
[    2.863251] ACPI: X2APIC_NMI (uid[0xab] high level lint[0x1])
[    2.863251] ACPI: X2APIC_NMI (uid[0xac] high level lint[0x1])
[    2.863252] ACPI: X2APIC_NMI (uid[0xad] high level lint[0x1])
[    2.863253] ACPI: X2APIC_NMI (uid[0xae] high level lint[0x1])
[    2.863253] ACPI: X2APIC_NMI (uid[0xaf] high level lint[0x1])
[    2.863254] ACPI: X2APIC_NMI (uid[0xb0] high level lint[0x1])
[    2.863255] ACPI: X2APIC_NMI (uid[0xb1] high level lint[0x1])
[    2.863255] ACPI: X2APIC_NMI (uid[0xb2] high level lint[0x1])
[    2.863256] ACPI: X2APIC_NMI (uid[0xb3] high level lint[0x1])
[    2.863257] ACPI: X2APIC_NMI (uid[0xb4] high level lint[0x1])
[    2.863257] ACPI: X2APIC_NMI (uid[0xb5] high level lint[0x1])
[    2.863258] ACPI: X2APIC_NMI (uid[0xb6] high level lint[0x1])
[    2.863259] ACPI: X2APIC_NMI (uid[0xb7] high level lint[0x1])
[    2.863259] ACPI: X2APIC_NMI (uid[0xb8] high level lint[0x1])
[    2.863260] ACPI: X2APIC_NMI (uid[0xb9] high level lint[0x1])
[    2.863260] ACPI: X2APIC_NMI (uid[0xba] high level lint[0x1])
[    2.863261] ACPI: X2APIC_NMI (uid[0xbb] high level lint[0x1])
[    2.863262] ACPI: X2APIC_NMI (uid[0xbc] high level lint[0x1])
[    2.863262] ACPI: X2APIC_NMI (uid[0xbd] high level lint[0x1])
[    2.863263] ACPI: X2APIC_NMI (uid[0xbe] high level lint[0x1])
[    2.863264] ACPI: X2APIC_NMI (uid[0xbf] high level lint[0x1])
[    2.863266] ACPI: LAPIC_NMI (acpi_id[0x00] high level lint[0x1])
[    2.863267] ACPI: LAPIC_NMI (acpi_id[0x01] high level lint[0x1])
[    2.863267] ACPI: LAPIC_NMI (acpi_id[0x02] high level lint[0x1])
[    2.863268] ACPI: LAPIC_NMI (acpi_id[0x03] high level lint[0x1])
[    2.863269] ACPI: LAPIC_NMI (acpi_id[0x04] high level lint[0x1])
[    2.863269] ACPI: LAPIC_NMI (acpi_id[0x05] high level lint[0x1])
[    2.863270] ACPI: LAPIC_NMI (acpi_id[0x06] high level lint[0x1])
[    2.863271] ACPI: LAPIC_NMI (acpi_id[0x07] high level lint[0x1])
[    2.863271] ACPI: LAPIC_NMI (acpi_id[0x08] high level lint[0x1])
[    2.863272] ACPI: LAPIC_NMI (acpi_id[0x09] high level lint[0x1])
[    2.863273] ACPI: LAPIC_NMI (acpi_id[0x0a] high level lint[0x1])
[    2.863273] ACPI: LAPIC_NMI (acpi_id[0x0b] high level lint[0x1])
[    2.863274] ACPI: LAPIC_NMI (acpi_id[0x0c] high level lint[0x1])
[    2.863275] ACPI: LAPIC_NMI (acpi_id[0x0d] high level lint[0x1])
[    2.863275] ACPI: LAPIC_NMI (acpi_id[0x0e] high level lint[0x1])
[    2.863276] ACPI: LAPIC_NMI (acpi_id[0x0f] high level lint[0x1])
[    2.863276] ACPI: LAPIC_NMI (acpi_id[0x10] high level lint[0x1])
[    2.863277] ACPI: LAPIC_NMI (acpi_id[0x11] high level lint[0x1])
[    2.863278] ACPI: LAPIC_NMI (acpi_id[0x12] high level lint[0x1])
[    2.863278] ACPI: LAPIC_NMI (acpi_id[0x13] high level lint[0x1])
[    2.863279] ACPI: LAPIC_NMI (acpi_id[0x14] high level lint[0x1])
[    2.863280] ACPI: LAPIC_NMI (acpi_id[0x15] high level lint[0x1])
[    2.863280] ACPI: LAPIC_NMI (acpi_id[0x16] high level lint[0x1])
[    2.863281] ACPI: LAPIC_NMI (acpi_id[0x17] high level lint[0x1])
[    2.863282] ACPI: LAPIC_NMI (acpi_id[0x18] high level lint[0x1])
[    2.863282] ACPI: LAPIC_NMI (acpi_id[0x19] high level lint[0x1])
[    2.863283] ACPI: LAPIC_NMI (acpi_id[0x1a] high level lint[0x1])
[    2.863284] ACPI: LAPIC_NMI (acpi_id[0x1b] high level lint[0x1])
[    2.863284] ACPI: LAPIC_NMI (acpi_id[0x1c] high level lint[0x1])
[    2.863285] ACPI: LAPIC_NMI (acpi_id[0x1d] high level lint[0x1])
[    2.863285] ACPI: LAPIC_NMI (acpi_id[0x1e] high level lint[0x1])
[    2.863286] ACPI: LAPIC_NMI (acpi_id[0x1f] high level lint[0x1])
[    2.863287] ACPI: LAPIC_NMI (acpi_id[0x20] high level lint[0x1])
[    2.863287] ACPI: LAPIC_NMI (acpi_id[0x21] high level lint[0x1])
[    2.863288] ACPI: LAPIC_NMI (acpi_id[0x22] high level lint[0x1])
[    2.863289] ACPI: LAPIC_NMI (acpi_id[0x23] high level lint[0x1])
[    2.863289] ACPI: LAPIC_NMI (acpi_id[0x24] high level lint[0x1])
[    2.863290] ACPI: LAPIC_NMI (acpi_id[0x25] high level lint[0x1])
[    2.863291] ACPI: LAPIC_NMI (acpi_id[0x26] high level lint[0x1])
[    2.863291] ACPI: LAPIC_NMI (acpi_id[0x27] high level lint[0x1])
[    2.863292] ACPI: LAPIC_NMI (acpi_id[0x28] high level lint[0x1])
[    2.863293] ACPI: LAPIC_NMI (acpi_id[0x29] high level lint[0x1])
[    2.863293] ACPI: LAPIC_NMI (acpi_id[0x2a] high level lint[0x1])
[    2.863294] ACPI: LAPIC_NMI (acpi_id[0x2b] high level lint[0x1])
[    2.863294] ACPI: LAPIC_NMI (acpi_id[0x2c] high level lint[0x1])
[    2.863295] ACPI: LAPIC_NMI (acpi_id[0x2d] high level lint[0x1])
[    2.863296] ACPI: LAPIC_NMI (acpi_id[0x2e] high level lint[0x1])
[    2.863296] ACPI: LAPIC_NMI (acpi_id[0x2f] high level lint[0x1])
[    2.863297] ACPI: LAPIC_NMI (acpi_id[0x30] high level lint[0x1])
[    2.863298] ACPI: LAPIC_NMI (acpi_id[0x31] high level lint[0x1])
[    2.863298] ACPI: LAPIC_NMI (acpi_id[0x32] high level lint[0x1])
[    2.863299] ACPI: LAPIC_NMI (acpi_id[0x33] high level lint[0x1])
[    2.863300] ACPI: LAPIC_NMI (acpi_id[0x34] high level lint[0x1])
[    2.863300] ACPI: LAPIC_NMI (acpi_id[0x35] high level lint[0x1])
[    2.863301] ACPI: LAPIC_NMI (acpi_id[0x36] high level lint[0x1])
[    2.863302] ACPI: LAPIC_NMI (acpi_id[0x37] high level lint[0x1])
[    2.863302] ACPI: LAPIC_NMI (acpi_id[0x38] high level lint[0x1])
[    2.863303] ACPI: LAPIC_NMI (acpi_id[0x39] high level lint[0x1])
[    2.863303] ACPI: LAPIC_NMI (acpi_id[0x3a] high level lint[0x1])
[    2.863304] ACPI: LAPIC_NMI (acpi_id[0x3b] high level lint[0x1])
[    2.863305] ACPI: LAPIC_NMI (acpi_id[0x3c] high level lint[0x1])
[    2.863305] ACPI: LAPIC_NMI (acpi_id[0x3d] high level lint[0x1])
[    2.863306] ACPI: LAPIC_NMI (acpi_id[0x3e] high level lint[0x1])
[    2.863307] ACPI: LAPIC_NMI (acpi_id[0x3f] high level lint[0x1])
[    2.863307] ACPI: LAPIC_NMI (acpi_id[0x40] high level lint[0x1])
[    2.863308] ACPI: LAPIC_NMI (acpi_id[0x41] high level lint[0x1])
[    2.863309] ACPI: LAPIC_NMI (acpi_id[0x42] high level lint[0x1])
[    2.863309] ACPI: LAPIC_NMI (acpi_id[0x43] high level lint[0x1])
[    2.863310] ACPI: LAPIC_NMI (acpi_id[0x44] high level lint[0x1])
[    2.863311] ACPI: LAPIC_NMI (acpi_id[0x45] high level lint[0x1])
[    2.863311] ACPI: LAPIC_NMI (acpi_id[0x46] high level lint[0x1])
[    2.863312] ACPI: LAPIC_NMI (acpi_id[0x47] high level lint[0x1])
[    2.863312] ACPI: LAPIC_NMI (acpi_id[0x48] high level lint[0x1])
[    2.863313] ACPI: LAPIC_NMI (acpi_id[0x49] high level lint[0x1])
[    2.863314] ACPI: LAPIC_NMI (acpi_id[0x4a] high level lint[0x1])
[    2.863314] ACPI: LAPIC_NMI (acpi_id[0x4b] high level lint[0x1])
[    2.863315] ACPI: LAPIC_NMI (acpi_id[0x4c] high level lint[0x1])
[    2.863316] ACPI: LAPIC_NMI (acpi_id[0x4d] high level lint[0x1])
[    2.863316] ACPI: LAPIC_NMI (acpi_id[0x4e] high level lint[0x1])
[    2.863317] ACPI: LAPIC_NMI (acpi_id[0x4f] high level lint[0x1])
[    2.863318] ACPI: LAPIC_NMI (acpi_id[0x50] high level lint[0x1])
[    2.863318] ACPI: LAPIC_NMI (acpi_id[0x51] high level lint[0x1])
[    2.863319] ACPI: LAPIC_NMI (acpi_id[0x52] high level lint[0x1])
[    2.863320] ACPI: LAPIC_NMI (acpi_id[0x53] high level lint[0x1])
[    2.863320] ACPI: LAPIC_NMI (acpi_id[0x54] high level lint[0x1])
[    2.863321] ACPI: LAPIC_NMI (acpi_id[0x55] high level lint[0x1])
[    2.863321] ACPI: LAPIC_NMI (acpi_id[0x56] high level lint[0x1])
[    2.863322] ACPI: LAPIC_NMI (acpi_id[0x57] high level lint[0x1])
[    2.863323] ACPI: LAPIC_NMI (acpi_id[0x58] high level lint[0x1])
[    2.863323] ACPI: LAPIC_NMI (acpi_id[0x59] high level lint[0x1])
[    2.863324] ACPI: LAPIC_NMI (acpi_id[0x5a] high level lint[0x1])
[    2.863325] ACPI: LAPIC_NMI (acpi_id[0x5b] high level lint[0x1])
[    2.863325] ACPI: LAPIC_NMI (acpi_id[0x5c] high level lint[0x1])
[    2.863326] ACPI: LAPIC_NMI (acpi_id[0x5d] high level lint[0x1])
[    2.863327] ACPI: LAPIC_NMI (acpi_id[0x5e] high level lint[0x1])
[    2.863327] ACPI: LAPIC_NMI (acpi_id[0x5f] high level lint[0x1])
[    2.863328] ACPI: LAPIC_NMI (acpi_id[0x60] high level lint[0x1])
[    2.863329] ACPI: LAPIC_NMI (acpi_id[0x61] high level lint[0x1])
[    2.863329] ACPI: LAPIC_NMI (acpi_id[0x62] high level lint[0x1])
[    2.863330] ACPI: LAPIC_NMI (acpi_id[0x63] high level lint[0x1])
[    2.863330] ACPI: LAPIC_NMI (acpi_id[0x64] high level lint[0x1])
[    2.863331] ACPI: LAPIC_NMI (acpi_id[0x65] high level lint[0x1])
[    2.863332] ACPI: LAPIC_NMI (acpi_id[0x66] high level lint[0x1])
[    2.863332] ACPI: LAPIC_NMI (acpi_id[0x67] high level lint[0x1])
[    2.863333] ACPI: LAPIC_NMI (acpi_id[0x68] high level lint[0x1])
[    2.863334] ACPI: LAPIC_NMI (acpi_id[0x69] high level lint[0x1])
[    2.863334] ACPI: LAPIC_NMI (acpi_id[0x6a] high level lint[0x1])
[    2.863335] ACPI: LAPIC_NMI (acpi_id[0x6b] high level lint[0x1])
[    2.863336] ACPI: LAPIC_NMI (acpi_id[0x6c] high level lint[0x1])
[    2.863336] ACPI: LAPIC_NMI (acpi_id[0x6d] high level lint[0x1])
[    2.863337] ACPI: LAPIC_NMI (acpi_id[0x6e] high level lint[0x1])
[    2.863338] ACPI: LAPIC_NMI (acpi_id[0x6f] high level lint[0x1])
[    2.863338] ACPI: LAPIC_NMI (acpi_id[0x70] high level lint[0x1])
[    2.863339] ACPI: LAPIC_NMI (acpi_id[0x71] high level lint[0x1])
[    2.863339] ACPI: LAPIC_NMI (acpi_id[0x72] high level lint[0x1])
[    2.863340] ACPI: LAPIC_NMI (acpi_id[0x73] high level lint[0x1])
[    2.863341] ACPI: LAPIC_NMI (acpi_id[0x74] high level lint[0x1])
[    2.863341] ACPI: LAPIC_NMI (acpi_id[0x75] high level lint[0x1])
[    2.863342] ACPI: LAPIC_NMI (acpi_id[0x76] high level lint[0x1])
[    2.863343] ACPI: LAPIC_NMI (acpi_id[0x77] high level lint[0x1])
[    2.863343] ACPI: LAPIC_NMI (acpi_id[0x78] high level lint[0x1])
[    2.863344] ACPI: LAPIC_NMI (acpi_id[0x79] high level lint[0x1])
[    2.863345] ACPI: LAPIC_NMI (acpi_id[0x7a] high level lint[0x1])
[    2.863345] ACPI: LAPIC_NMI (acpi_id[0x7b] high level lint[0x1])
[    2.863346] ACPI: LAPIC_NMI (acpi_id[0x7c] high level lint[0x1])
[    2.863347] ACPI: LAPIC_NMI (acpi_id[0x7d] high level lint[0x1])
[    2.863347] ACPI: LAPIC_NMI (acpi_id[0x7e] high level lint[0x1])
[    2.863348] ACPI: LAPIC_NMI (acpi_id[0x7f] high level lint[0x1])
[    2.863349] ACPI: LAPIC_NMI (acpi_id[0x80] high level lint[0x1])
[    2.863349] ACPI: LAPIC_NMI (acpi_id[0x81] high level lint[0x1])
[    2.863350] ACPI: LAPIC_NMI (acpi_id[0x82] high level lint[0x1])
[    2.863350] ACPI: LAPIC_NMI (acpi_id[0x83] high level lint[0x1])
[    2.863351] ACPI: LAPIC_NMI (acpi_id[0x84] high level lint[0x1])
[    2.863352] ACPI: LAPIC_NMI (acpi_id[0x85] high level lint[0x1])
[    2.863352] ACPI: LAPIC_NMI (acpi_id[0x86] high level lint[0x1])
[    2.863353] ACPI: LAPIC_NMI (acpi_id[0x87] high level lint[0x1])
[    2.863354] ACPI: LAPIC_NMI (acpi_id[0x88] high level lint[0x1])
[    2.863354] ACPI: LAPIC_NMI (acpi_id[0x89] high level lint[0x1])
[    2.863355] ACPI: LAPIC_NMI (acpi_id[0x8a] high level lint[0x1])
[    2.863356] ACPI: LAPIC_NMI (acpi_id[0x8b] high level lint[0x1])
[    2.863356] ACPI: LAPIC_NMI (acpi_id[0x8c] high level lint[0x1])
[    2.863357] ACPI: LAPIC_NMI (acpi_id[0x8d] high level lint[0x1])
[    2.863358] ACPI: LAPIC_NMI (acpi_id[0x8e] high level lint[0x1])
[    2.863358] ACPI: LAPIC_NMI (acpi_id[0x8f] high level lint[0x1])
[    2.863359] ACPI: LAPIC_NMI (acpi_id[0x90] high level lint[0x1])
[    2.863359] ACPI: LAPIC_NMI (acpi_id[0x91] high level lint[0x1])
[    2.863360] ACPI: LAPIC_NMI (acpi_id[0x92] high level lint[0x1])
[    2.863361] ACPI: LAPIC_NMI (acpi_id[0x93] high level lint[0x1])
[    2.863361] ACPI: LAPIC_NMI (acpi_id[0x94] high level lint[0x1])
[    2.863362] ACPI: LAPIC_NMI (acpi_id[0x95] high level lint[0x1])
[    2.863363] ACPI: LAPIC_NMI (acpi_id[0x96] high level lint[0x1])
[    2.863363] ACPI: LAPIC_NMI (acpi_id[0x97] high level lint[0x1])
[    2.863364] ACPI: LAPIC_NMI (acpi_id[0x98] high level lint[0x1])
[    2.863365] ACPI: LAPIC_NMI (acpi_id[0x99] high level lint[0x1])
[    2.863365] ACPI: LAPIC_NMI (acpi_id[0x9a] high level lint[0x1])
[    2.863366] ACPI: LAPIC_NMI (acpi_id[0x9b] high level lint[0x1])
[    2.863366] ACPI: LAPIC_NMI (acpi_id[0x9c] high level lint[0x1])
[    2.863367] ACPI: LAPIC_NMI (acpi_id[0x9d] high level lint[0x1])
[    2.863368] ACPI: LAPIC_NMI (acpi_id[0x9e] high level lint[0x1])
[    2.863368] ACPI: LAPIC_NMI (acpi_id[0x9f] high level lint[0x1])
[    2.863369] ACPI: LAPIC_NMI (acpi_id[0xa0] high level lint[0x1])
[    2.863370] ACPI: LAPIC_NMI (acpi_id[0xa1] high level lint[0x1])
[    2.863370] ACPI: LAPIC_NMI (acpi_id[0xa2] high level lint[0x1])
[    2.863371] ACPI: LAPIC_NMI (acpi_id[0xa3] high level lint[0x1])
[    2.863372] ACPI: LAPIC_NMI (acpi_id[0xa4] high level lint[0x1])
[    2.863372] ACPI: LAPIC_NMI (acpi_id[0xa5] high level lint[0x1])
[    2.863373] ACPI: LAPIC_NMI (acpi_id[0xa6] high level lint[0x1])
[    2.863374] ACPI: LAPIC_NMI (acpi_id[0xa7] high level lint[0x1])
[    2.863374] ACPI: LAPIC_NMI (acpi_id[0xa8] high level lint[0x1])
[    2.863375] ACPI: LAPIC_NMI (acpi_id[0xa9] high level lint[0x1])
[    2.863376] ACPI: LAPIC_NMI (acpi_id[0xaa] high level lint[0x1])
[    2.863376] ACPI: LAPIC_NMI (acpi_id[0xab] high level lint[0x1])
[    2.863377] ACPI: LAPIC_NMI (acpi_id[0xac] high level lint[0x1])
[    2.863378] ACPI: LAPIC_NMI (acpi_id[0xad] high level lint[0x1])
[    2.863378] ACPI: LAPIC_NMI (acpi_id[0xae] high level lint[0x1])
[    2.863379] ACPI: LAPIC_NMI (acpi_id[0xaf] high level lint[0x1])
[    2.863379] ACPI: LAPIC_NMI (acpi_id[0xb0] high level lint[0x1])
[    2.863380] ACPI: LAPIC_NMI (acpi_id[0xb1] high level lint[0x1])
[    2.863381] ACPI: LAPIC_NMI (acpi_id[0xb2] high level lint[0x1])
[    2.863381] ACPI: LAPIC_NMI (acpi_id[0xb3] high level lint[0x1])
[    2.863382] ACPI: LAPIC_NMI (acpi_id[0xb4] high level lint[0x1])
[    2.863383] ACPI: LAPIC_NMI (acpi_id[0xb5] high level lint[0x1])
[    2.863383] ACPI: LAPIC_NMI (acpi_id[0xb6] high level lint[0x1])
[    2.863384] ACPI: LAPIC_NMI (acpi_id[0xb7] high level lint[0x1])
[    2.863385] ACPI: LAPIC_NMI (acpi_id[0xb8] high level lint[0x1])
[    2.863385] ACPI: LAPIC_NMI (acpi_id[0xb9] high level lint[0x1])
[    2.863386] ACPI: LAPIC_NMI (acpi_id[0xba] high level lint[0x1])
[    2.863387] ACPI: LAPIC_NMI (acpi_id[0xbb] high level lint[0x1])
[    2.863387] ACPI: LAPIC_NMI (acpi_id[0xbc] high level lint[0x1])
[    2.863388] ACPI: LAPIC_NMI (acpi_id[0xbd] high level lint[0x1])
[    2.863388] ACPI: LAPIC_NMI (acpi_id[0xbe] high level lint[0x1])
[    2.863389] ACPI: LAPIC_NMI (acpi_id[0xbf] high level lint[0x1])
[    2.863402] IOAPIC[0]: apic_id 8, version 32, address 0xfec00000, GSI 0-23
[    2.863406] IOAPIC[1]: apic_id 9, version 32, address 0xfec01000, GSI 24-47
[    2.863410] IOAPIC[2]: apic_id 10, version 32, address 0xfec40000, GSI 48-71
[    2.863414] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
[    2.863415] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
[    2.863423] Using ACPI (MADT) for SMP configuration information
[    2.863425] ACPI: HPET id: 0x8086a701 base: 0xfed00000
[    2.863429] ACPI: SPCR: SPCR table version 1
[    2.863431] ACPI: SPCR: console: uart,io,0x3f8,115200
[    2.863434] smpboot: Allowing 64 CPUs, 0 hotplug CPUs
[    2.863450] PM: Registered nosave memory: [mem 0x00000000-0x00000fff]
[    2.863452] PM: Registered nosave memory: [mem 0x0009c000-0x0009ffff]
[    2.863453] PM: Registered nosave memory: [mem 0x000a0000-0x000dffff]
[    2.863453] PM: Registered nosave memory: [mem 0x000e0000-0x000fffff]
[    2.863455] PM: Registered nosave memory: [mem 0x7a289000-0x7af0afff]
[    2.863455] PM: Registered nosave memory: [mem 0x7af0b000-0x7b93afff]
[    2.863456] PM: Registered nosave memory: [mem 0x7b93b000-0x7bab4fff]
[    2.863457] PM: Registered nosave memory: [mem 0x7bae9000-0x7bafefff]
[    2.863459] PM: Registered nosave memory: [mem 0x7bb00000-0x8fffffff]
[    2.863459] PM: Registered nosave memory: [mem 0x90000000-0xfeda7fff]
[    2.863460] PM: Registered nosave memory: [mem 0xfeda8000-0xfedabfff]
[    2.863460] PM: Registered nosave memory: [mem 0xfedac000-0xff30ffff]
[    2.863461] PM: Registered nosave memory: [mem 0xff310000-0xffffffff]
[    2.863463] [mem 0x90000000-0xfeda7fff] available for PCI devices
[    2.863464] Booting paravirtualized kernel on bare hardware
[    2.863468] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645519600211568 ns
[    2.948420] random: get_random_bytes called from start_kernel+0x94/0x515 with crng_init=0
[    2.948426] setup_percpu: NR_CPUS:512 nr_cpumask_bits:512 nr_cpu_ids:64 nr_node_ids:2
[    2.951454] percpu: Embedded 44 pages/cpu @(____ptrval____) s142936 r8192 d29096 u262144
[    2.951504] Built 2 zonelists, mobility grouping on.  Total pages: 132096953
[    2.951506] Policy zone: Normal
[    2.951507] Kernel command line: BOOT_IMAGE=/vmlinuz-5.0.0-bt9-amd64 root=/dev/mapper/vg0-root ro console=tty0 console=ttyS0,115200n8
[    2.951554] printk: log_buf_len individual max cpu contribution: 4096 bytes
[    2.951554] printk: log_buf_len total cpu_extra contributions: 258048 bytes
[    2.951555] printk: log_buf_len min size: 131072 bytes
[    2.951652] printk: log_buf_len: 524288 bytes
[    2.951653] printk: early log buf free: 90032(68%)
[    4.376929] Memory: 528260608K/536775012K available (10243K kernel code, 1164K rwdata, 3224K rodata, 1576K init, 2388K bss, 8514404K reserved, 0K cma-reserved)
[    4.377413] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=64, Nodes=2
[    4.377427] Kernel/User page tables isolation: enabled
[    4.377466] ftrace: allocating 31754 entries in 125 pages
[    4.390075] rcu: Hierarchical RCU implementation.
[    4.390077] rcu:     RCU restricting CPUs from NR_CPUS=512 to nr_cpu_ids=64.
[    4.390078] rcu: RCU calculated value of scheduler-enlistment delay is 25 jiffies.
[    4.390079] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=64
[    4.392626] NR_IRQS: 33024, nr_irqs: 1752, preallocated irqs: 16
[    4.400481] Console: colour VGA+ 80x25
[    4.466037] printk: console [tty0] enabled
[    8.319659] printk: console [ttyS0] enabled
[    8.324490] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl
[    8.337163] ACPI: Core revision 20181213
[    8.342695] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 133484882848 ns
[    8.353029] APIC: Switch to symmetric I/O mode setup
[    8.358685] DMAR: Host address width 46
[    8.363074] DMAR: DRHD base: 0x000000fbffc000 flags: 0x0
[    8.369118] DMAR: dmar0: reg_base_addr fbffc000 ver 1:0 cap d2078c106f0466 ecap f020df
[    8.378096] DMAR: DRHD base: 0x000000c7ffc000 flags: 0x1
[    8.384140] DMAR: dmar1: reg_base_addr c7ffc000 ver 1:0 cap d2078c106f0466 ecap f020df
[    8.393117] DMAR: RMRR base: 0x0000007ae07000 end: 0x0000007af06fff
[    8.400227] DMAR: ATSR flags: 0x0
[    8.404031] DMAR: ATSR flags: 0x0
[    8.407839] DMAR-IR: IOAPIC id 10 under DRHD base  0xfbffc000 IOMMU 0
[    8.415142] DMAR-IR: IOAPIC id 8 under DRHD base  0xc7ffc000 IOMMU 1
[    8.422340] DMAR-IR: IOAPIC id 9 under DRHD base  0xc7ffc000 IOMMU 1
[    8.429537] DMAR-IR: HPET id 0 under DRHD base 0xc7ffc000
[    8.435674] DMAR-IR: Queued invalidation will be enabled to support x2apic and Intr-remapping.
[    8.445630] DMAR-IR: IRQ remapping was enabled on dmar0 but we are not in kdump mode
[    8.454623] DMAR-IR: IRQ remapping was enabled on dmar1 but we are not in kdump mode
[    8.463530] DMAR-IR: Enabled IRQ remapping in x2apic mode
[    8.470263] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1
[    8.497034] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x2127435b20e, max_idle_ns: 440795243721 ns
[    8.508921] Calibrating delay loop (skipped), value calculated using timer frequency.. 4600.03 BogoMIPS (lpj=9200060)
[    8.512914] pid_max: default: 65536 minimum: 512
[    8.517027] LSM: Security Framework initializing
[    8.520915] Yama: becoming mindful.
[    8.524983] AppArmor: AppArmor initialized
[    8.554114] Dentry cache hash table entries: 16777216 (order: 15, 134217728 bytes)
[    8.569642] Inode-cache hash table entries: 8388608 (order: 14, 67108864 bytes)
[    8.573300] Mount-cache hash table entries: 262144 (order: 9, 2097152 bytes)
[    8.577257] Mountpoint-cache hash table entries: 262144 (order: 9, 2097152 bytes)
[    8.581309] ENERGY_PERF_BIAS: Set to 'normal', was 'performance'
[    8.584915] ENERGY_PERF_BIAS: View and update with x86_energy_perf_policy(8)
[    8.588919] mce: CPU supports 22 MCE banks
[    8.592933] mce: CPU0: Thermal monitoring enabled (TM1)
[    8.600936] process: using mwait in idle threads
[    8.604916] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024
[    8.608914] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4
[    8.612915] Spectre V2 : Mitigation: Full generic retpoline
[    8.616914] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch
[    8.620914] Spectre V2 : Enabling Restricted Speculation for firmware calls
[    8.624922] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier
[    8.628914] Spectre V2 : User space: Mitigation: STIBP via seccomp and prctl
[    8.632915] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp
[    8.637107] Freeing SMP alternatives memory: 24K
[    8.645067] smpboot: CPU0: Intel(R) Xeon(R) CPU E5-2698 v3 @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x2)
[    8.649065] Performance Events: PEBS fmt2+, Haswell events, 16-deep LBR, full-width counters, Intel PMU driver.
[    8.652919] ... version:                3
[    8.656914] ... bit width:              48
[    8.660914] ... generic registers:      4
[    8.664914] ... value mask:             0000ffffffffffff
[    8.668914] ... max period:             00007fffffffffff
[    8.672914] ... fixed-purpose events:   3
[    8.676914] ... event mask:             000000070000000f
[    8.680980] rcu: Hierarchical SRCU implementation.
[    8.689899] NMI watchdog: Enabled. Permanently consumes one hw-PMU counter.
[    8.693773] smp: Bringing up secondary CPUs ...
[    8.697033] x86: Booting SMP configuration:
[    8.700918] .... node  #1, CPUs:        #1
[    8.788916] .... node  #0, CPUs:    #2
[    8.792917] .... node  #1, CPUs:    #3
[    8.796916] .... node  #0, CPUs:    #4
[    8.800917] .... node  #1, CPUs:    #5
[    8.804916] .... node  #0, CPUs:    #6
[    8.808917] .... node  #1, CPUs:    #7
[    8.812915] .... node  #0, CPUs:    #8
[    8.816917] .... node  #1, CPUs:    #9
[    8.820916] .... node  #0, CPUs:   #10
[    8.824917] .... node  #1, CPUs:   #11
[    8.828916] .... node  #0, CPUs:   #12
[    8.832917] .... node  #1, CPUs:   #13
[    8.836916] .... node  #0, CPUs:   #14
[    8.840916] .... node  #1, CPUs:   #15
[    8.844916] .... node  #0, CPUs:   #16
[    8.848917] .... node  #1, CPUs:   #17
[    8.852916] .... node  #0, CPUs:   #18
[    8.856916] .... node  #1, CPUs:   #19
[    8.860916] .... node  #0, CPUs:   #20
[    8.864917] .... node  #1, CPUs:   #21
[    8.868916] .... node  #0, CPUs:   #22
[    8.872916] .... node  #1, CPUs:   #23
[    8.876916] .... node  #0, CPUs:   #24
[    8.880917] .... node  #1, CPUs:   #25
[    8.884915] .... node  #0, CPUs:   #26
[    8.888917] .... node  #1, CPUs:   #27
[    8.892915] .... node  #0, CPUs:   #28
[    8.896917] .... node  #1, CPUs:   #29
[    8.900916] .... node  #0, CPUs:   #30
[    8.904916] .... node  #1, CPUs:   #31
[    8.908915] .... node  #0, CPUs:   #32
[    8.912917] .... node  #1, CPUs:   #33
[    8.916916] .... node  #0, CPUs:   #34
[    8.920916] .... node  #1, CPUs:   #35
[    8.924916] .... node  #0, CPUs:   #36
[    8.928917] .... node  #1, CPUs:   #37
[    8.932916] .... node  #0, CPUs:   #38
[    8.936916] .... node  #1, CPUs:   #39
[    8.940916] .... node  #0, CPUs:   #40
[    8.944917] .... node  #1, CPUs:   #41
[    8.948916] .... node  #0, CPUs:   #42
[    8.952917] .... node  #1, CPUs:   #43
[    8.956916] .... node  #0, CPUs:   #44
[    8.960917] .... node  #1, CPUs:   #45
[    8.964916] .... node  #0, CPUs:   #46
[    8.968916] .... node  #1, CPUs:   #47
[    8.972916] .... node  #0, CPUs:   #48
[    8.976917] .... node  #1, CPUs:   #49
[    8.980916] .... node  #0, CPUs:   #50
[    8.984917] .... node  #1, CPUs:   #51
[    8.988916] .... node  #0, CPUs:   #52
[    8.992917] .... node  #1, CPUs:   #53
[    8.996916] .... node  #0, CPUs:   #54
[    9.000916] .... node  #1, CPUs:   #55
[    9.004916] .... node  #0, CPUs:   #56
[    9.008917] .... node  #1, CPUs:   #57
[    9.012915] .... node  #0, CPUs:   #58
[    9.016916] .... node  #1, CPUs:   #59
[    9.020916] .... node  #0, CPUs:   #60
[    9.024920] .... node  #1, CPUs:   #61
[    9.028916] .... node  #0, CPUs:   #62
[    9.032916] .... node  #1, CPUs:   #63
[    9.034440] smp: Brought up 2 nodes, 64 CPUs
[    9.040915] smpboot: Max logical packages: 2
[    9.044915] smpboot: Total of 64 processors activated (294440.57 BogoMIPS)
[    9.068964] devtmpfs: initialized
[    9.072792] x86/mm: Memory block size: 2048MB
[    9.079289] PM: Registering ACPI NVS region [mem 0x7af0b000-0x7b93afff] (10682368 bytes)
[    9.089377] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041785100000 ns
[    9.096977] futex hash table entries: 16384 (order: 8, 1048576 bytes)
[    9.105379] pinctrl core: initialized pinctrl subsystem
[    9.113200] NET: Registered protocol family 16
[    9.117011] audit: initializing netlink subsys (disabled)
[    9.124950] audit: type=2000 audit(1554390968.708:1): state=initialized audit_enabled=0 res=1
[    9.132920] cpuidle: using governor ladder
[    9.136928] cpuidle: using governor menu
[    9.144950] ACPI FADT declares the system doesn't support PCIe ASPM, so disable it
[    9.152915] ACPI: bus type PCI registered
[    9.156915] acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5
[    9.165050] PCI: MMCONFIG for domain 0000 [bus 00-ff] at [mem 0x80000000-0x8fffffff] (base 0x80000000)
[    9.172938] PCI: MMCONFIG at [mem 0x80000000-0x8fffffff] reserved in E820
[    9.180926] PCI: Using configuration type 1 for base access
[    9.188924] PCI: Dell System detected, enabling pci=bfsort.
[    9.192932] core: PMU erratum BJ122, BV98, HSD29 worked around, HT is on
[    9.205024] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages
[    9.212918] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages
[    9.221154] ACPI: Added _OSI(Module Device)
[    9.224917] ACPI: Added _OSI(Processor Device)
[    9.228918] ACPI: Added _OSI(3.0 _SCP Extensions)
[    9.236914] ACPI: Added _OSI(Processor Aggregator Device)
[    9.240915] ACPI: Added _OSI(Linux-Dell-Video)
[    9.248915] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio)
[    9.252914] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics)
[    9.388453] ACPI: 4 ACPI AML tables successfully acquired and loaded
[    9.407927] ACPI: [Firmware Bug]: BIOS _OSI(Linux) query ignored
[    9.425992] ACPI: Interpreter enabled
[    9.428925] ACPI: (supports S0 S5)
[    9.432805] ACPI: Using IOAPIC for interrupt routing
[    9.436960] HEST: Table parsing has been initialized.
[    9.444917] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug
[    9.453486] ACPI: Enabled 2 GPEs in block 00 to 3F
[    9.472627] ACPI: PCI Root Bridge [UNC1] (domain 0000 [bus ff])
[    9.480919] acpi PNP0A03:02: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI]
[    9.488978] acpi PNP0A03:02: PCIe AER handled by firmware
[    9.493027] acpi PNP0A03:02: _OSC: OS now controls [PCIeHotplug SHPCHotplug PME PCIeCapability LTR]
[    9.504915] acpi PNP0A03:02: FADT indicates ASPM is unsupported, using BIOS configuration
[    9.512947] PCI host bridge to bus 0000:ff
[    9.516916] pci_bus 0000:ff: root bus resource [bus ff]
[    9.528249] ACPI: PCI Root Bridge [UNC0] (domain 0000 [bus 7f])
[    9.532917] acpi PNP0A03:03: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI]
[    9.544984] acpi PNP0A03:03: PCIe AER handled by firmware
[    9.549040] acpi PNP0A03:03: _OSC: OS now controls [PCIeHotplug SHPCHotplug PME PCIeCapability LTR]
[    9.560915] acpi PNP0A03:03: FADT indicates ASPM is unsupported, using BIOS configuration
[    9.568957] PCI host bridge to bus 0000:7f
[    9.572916] pci_bus 0000:7f: root bus resource [bus 7f]
[    9.585809] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-7e])
[    9.592917] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI]
[    9.600971] acpi PNP0A08:00: PCIe AER handled by firmware
[    9.608977] acpi PNP0A08:00: _OSC: platform does not support [SHPCHotplug LTR]
[    9.617024] acpi PNP0A08:00: _OSC: OS now controls [PCIeHotplug PME PCIeCapability]
[    9.624915] acpi PNP0A08:00: FADT indicates ASPM is unsupported, using BIOS configuration
[    9.633091] PCI host bridge to bus 0000:00
[    9.636916] pci_bus 0000:00: root bus resource [io  0x0000-0x03bb window]
[    9.644915] pci_bus 0000:00: root bus resource [io  0x03bc-0x03df window]
[    9.652916] pci_bus 0000:00: root bus resource [io  0x03e0-0x0cf7 window]
[    9.660915] pci_bus 0000:00: root bus resource [io  0x1000-0x7fff window]
[    9.668915] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window]
[    9.676915] pci_bus 0000:00: root bus resource [mem 0x90000000-0xc7ffbfff window]
[    9.684915] pci_bus 0000:00: root bus resource [mem 0x38000000000-0x3bfffffffff window]
[    9.696915] pci_bus 0000:00: root bus resource [bus 00-7e]
[    9.705243] pci 0000:00:01.0: PCI bridge to [bus 03]
[    9.712950] pci 0000:00:02.0: PCI bridge to [bus 04]
[    9.717158] pci 0000:01:00.0: VF(n) BAR0 space: [mem 0x92008000-0x92107fff 64bit pref] (contains BAR0 for 64 VFs)
[    9.728927] pci 0000:01:00.0: VF(n) BAR3 space: [mem 0x92108000-0x92207fff 64bit pref] (contains BAR3 for 64 VFs)
[    9.741252] pci 0000:01:00.1: VF(n) BAR0 space: [mem 0x91e04000-0x91f03fff 64bit pref] (contains BAR0 for 64 VFs)
[    9.752927] pci 0000:01:00.1: VF(n) BAR3 space: [mem 0x91f04000-0x92003fff 64bit pref] (contains BAR3 for 64 VFs)
[    9.765121] pci 0000:00:03.0: PCI bridge to [bus 01-02]
[    9.768943] pci 0000:00:03.2: PCI bridge to [bus 05]
[    9.776947] pci 0000:00:1c.0: PCI bridge to [bus 06]
[    9.781243] pci 0000:07:00.0: 8.000 Gb/s available PCIe bandwidth, limited by 5 GT/s x2 link at 0000:00:1c.4 (capable of 16.000 Gb/s with 5 GT/s x4 link)
[    9.797328] pci 0000:00:1c.4: PCI bridge to [bus 07]
[    9.818110] pci 0000:00:1c.7: PCI bridge to [bus 08-0c]
[    9.833093] pci 0000:08:00.0: PCI bridge to [bus 09-0c]
[    9.847869] pci 0000:09:00.0: PCI bridge to [bus 0a-0b]
[    9.854454] pci_bus 0000:0b: extended config space not accessible
[    9.866882] pci 0000:0a:00.0: PCI bridge to [bus 0b]
[    9.874313] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 7 9 10 11 12 14 *15)
[    9.880952] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 7 9 10 11 12 *14 15)
[    9.888949] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 7 9 10 *11 12 14 15)
[    9.896948] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 *6 7 9 10 11 12 14 15)
[    9.904948] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 7 9 10 11 12 14 15) *0, disabled.
[    9.916950] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 7 9 10 11 12 14 15) *0, disabled.
[    9.924949] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 7 9 10 11 12 14 15) *0, disabled.
[    9.936948] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 7 9 10 11 12 14 15) *0, disabled.
[    9.945126] ACPI: PCI Root Bridge [PCI1] (domain 0000 [bus 80-fe])
[    9.952917] acpi PNP0A08:01: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI]
[    9.960977] acpi PNP0A08:01: PCIe AER handled by firmware
[    9.969027] acpi PNP0A08:01: _OSC: OS now controls [PCIeHotplug SHPCHotplug PME PCIeCapability LTR]
[    9.976915] acpi PNP0A08:01: FADT indicates ASPM is unsupported, using BIOS configuration
[    9.985043] PCI host bridge to bus 0000:80
[    9.992916] pci_bus 0000:80: root bus resource [io  0x8000-0xffff window]
[   10.000915] pci_bus 0000:80: root bus resource [mem 0xc8000000-0xfbffbfff window]
[   10.008915] pci_bus 0000:80: root bus resource [mem 0x3c000000000-0x3ffffffffff window]
[   10.016917] pci_bus 0000:80: root bus resource [bus 80-fe]
[   10.036928] pci 0000:80:01.0: PCI bridge to [bus 81-82]
[   10.040959] pci_bus 0000:82: extended config space not accessible
[   10.049183] pci 0000:81:00.0: PCI bridge to [bus 82]
[   10.052973] pci 0000:80:03.0: PCI bridge to [bus 83]
[   10.061148] pci 0000:0b:00.0: vgaarb: setting as boot VGA device
[   10.064913] pci 0000:0b:00.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none
[   10.076919] pci 0000:0b:00.0: vgaarb: bridge control possible
[   10.080914] vgaarb: loaded
[   10.084097] pps_core: LinuxPPS API ver. 1 registered
[   10.092915] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@xxxxxxxx>
[   10.100916] PTP clock support registered
[   10.104938] EDAC MC: Ver: 3.0.0
[   10.109154] PCI: Using ACPI for IRQ routing
[   10.123448] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0, 0, 0, 0, 0, 0
[   10.128916] hpet0: 8 comparators, 64-bit 14.318180 MHz counter
[   10.139039] clocksource: Switched to clocksource tsc-early
[   10.153732] VFS: Disk quotas dquot_6.6.0
[   10.158244] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
[   10.166171] AppArmor: AppArmor Filesystem Enabled
[   10.171530] pnp: PnP ACPI init
[   10.175557] system 00:01: [io  0x0500-0x053f] has been reserved
[   10.182269] system 00:01: [io  0x0400-0x047f] has been reserved
[   10.188978] system 00:01: [io  0x0540-0x057f] has been reserved
[   10.195688] system 00:01: [io  0x0600-0x061f] has been reserved
[   10.202396] system 00:01: [io  0x0ca0-0x0ca5] has been reserved
[   10.209104] system 00:01: [io  0x0880-0x0883] has been reserved
[   10.215812] system 00:01: [io  0x0800-0x081f] has been reserved
[   10.222521] system 00:01: [mem 0xfeda8000-0xfedcbfff] could not be reserved
[   10.230396] system 00:01: [mem 0xff000000-0xffffffff] could not be reserved
[   10.238271] system 00:01: [mem 0xfee00000-0xfeefffff] has been reserved
[   10.245757] system 00:01: [mem 0xfed12000-0xfed1200f] has been reserved
[   10.253242] system 00:01: [mem 0xfed12010-0xfed1201f] has been reserved
[   10.260728] system 00:01: [mem 0xfed1b000-0xfed1bfff] has been reserved
[   10.268566] system 00:04: [io  0x0ca8] has been reserved
[   10.274598] system 00:04: [io  0x0cac] has been reserved
[   10.280699] pnp: PnP ACPI: found 5 devices
[   10.291037] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns
[   10.301078] pci 0000:03:00.0: can't claim BAR 6 [mem 0xfff00000-0xffffffff pref]: no compatible bridge window
[   10.312279] pci 0000:01:00.0: can't claim BAR 6 [mem 0xfff80000-0xffffffff pref]: no compatible bridge window
[   10.323480] pci 0000:01:00.1: can't claim BAR 6 [mem 0xfff80000-0xffffffff pref]: no compatible bridge window
[   10.334681] pci 0000:00:11.0: can't claim BAR 6 [mem 0xffff0000-0xffffffff pref]: no compatible bridge window
[   10.345882] pci 0000:07:00.0: can't claim BAR 6 [mem 0xfff80000-0xffffffff pref]: no compatible bridge window
[   10.357083] pci 0000:07:00.1: can't claim BAR 6 [mem 0xfff80000-0xffffffff pref]: no compatible bridge window
[   10.369082] pci 0000:00:03.0: BAR 14: assigned [mem 0x92800000-0x928fffff]
[   10.376863] pci 0000:00:11.0: BAR 6: assigned [mem 0x92710000-0x9271ffff pref]
[   10.385052] pci 0000:03:00.0: BAR 6: no space for [mem size 0x00100000 pref]
[   10.393024] pci 0000:03:00.0: BAR 6: failed to assign [mem size 0x00100000 pref]
[   10.401406] pci 0000:00:01.0: PCI bridge to [bus 03]
[   10.407046] pci 0000:00:01.0:   bridge window [io  0x2000-0x2fff]
[   10.413951] pci 0000:00:01.0:   bridge window [mem 0x92500000-0x926fffff]
[   10.421635] pci 0000:00:02.0: PCI bridge to [bus 04]
[   10.427279] pci 0000:01:00.0: BAR 6: assigned [mem 0x92800000-0x9287ffff pref]
[   10.435469] pci 0000:01:00.1: BAR 6: assigned [mem 0x92880000-0x928fffff pref]
[   10.443656] pci 0000:00:03.0: PCI bridge to [bus 01-02]
[   10.449589] pci 0000:00:03.0:   bridge window [mem 0x92800000-0x928fffff]
[   10.457271] pci 0000:00:03.0:   bridge window [mem 0x91a00000-0x922fffff 64bit pref]
[   10.466035] pci 0000:00:03.2: PCI bridge to [bus 05]
[   10.471679] pci 0000:00:1c.0: PCI bridge to [bus 06]
[   10.477329] pci 0000:07:00.0: BAR 6: assigned [mem 0x92480000-0x924fffff pref]
[   10.485518] pci 0000:07:00.1: BAR 6: no space for [mem size 0x00080000 pref]
[   10.493489] pci 0000:07:00.1: BAR 6: failed to assign [mem size 0x00080000 pref]
[   10.501870] pci 0000:00:1c.4: PCI bridge to [bus 07]
[   10.507511] pci 0000:00:1c.4:   bridge window [mem 0x92300000-0x924fffff]
[   10.515209] pci 0000:0a:00.0: PCI bridge to [bus 0b]
[   10.520998] pci 0000:0a:00.0:   bridge window [mem 0x91000000-0x918fffff]
[   10.528773] pci 0000:0a:00.0:   bridge window [mem 0x90000000-0x90ffffff 64bit pref]
[   10.537744] pci 0000:09:00.0: PCI bridge to [bus 0a-0b]
[   10.543820] pci 0000:09:00.0:   bridge window [mem 0x91000000-0x918fffff]
[   10.551595] pci 0000:09:00.0:   bridge window [mem 0x90000000-0x90ffffff 64bit pref]
[   10.560566] pci 0000:08:00.0: PCI bridge to [bus 09-0c]
[   10.566629] pci 0000:08:00.0:   bridge window [mem 0x91000000-0x919fffff]
[   10.574392] pci 0000:08:00.0:   bridge window [mem 0x90000000-0x90ffffff 64bit pref]
[   10.583383] pci 0000:00:1c.7: PCI bridge to [bus 08-0c]
[   10.589317] pci 0000:00:1c.7:   bridge window [mem 0x91000000-0x919fffff]
[   10.596999] pci 0000:00:1c.7:   bridge window [mem 0x90000000-0x90ffffff 64bit pref]
[   10.605855] pci 0000:81:00.0: PCI bridge to [bus 82]
[   10.611500] pci 0000:81:00.0:   bridge window [mem 0xc8000000-0xc80fffff]
[   10.619189] pci 0000:80:01.0: PCI bridge to [bus 81-82]
[   10.625122] pci 0000:80:01.0:   bridge window [mem 0xc8000000-0xc80fffff]
[   10.632806] pci 0000:80:03.0: PCI bridge to [bus 83]
[   10.638536] NET: Registered protocol family 2
[   10.643793] tcp_listen_portaddr_hash hash table entries: 65536 (order: 8, 1048576 bytes)
[   10.653202] TCP established hash table entries: 524288 (order: 10, 4194304 bytes)
[   10.662260] TCP bind hash table entries: 65536 (order: 8, 1048576 bytes)
[   10.669978] TCP: Hash tables configured (established 524288 bind 65536)
[   10.677668] UDP hash table entries: 65536 (order: 9, 2097152 bytes)
[   10.685088] UDP-Lite hash table entries: 65536 (order: 9, 2097152 bytes)
[   10.693242] NET: Registered protocol family 1
[   10.698240] DEBUG: Passed quirk_usb_early_handoff 1300
[   10.704271] DEBUG: Passed quirk_usb_early_handoff 1308
[   10.710206] DEBUG: Passed quirk_usb_disable_ehci 939
[   10.715949] DEBUG: Passed quirk_usb_disable_ehci 945
[   10.721685] DEBUG: Passed quirk_usb_disable_ehci 950
[   10.727423] DEBUG: Passed quirk_usb_disable_ehci 958
[   10.733160] DEBUG: Passed quirk_usb_disable_ehci 964
[   10.738897] DEBUG: Passed quirk_usb_disable_ehci 968
[   10.744633] DEBUG: Passed ehci_bios_handoff 849
[   10.749884] DEBUG: Passed ehci_bios_handoff 884
// SPDX-License-Identifier: GPL-2.0
/*
 * This file contains code to reset and initialize USB host controllers.
 * Some of it includes work-arounds for PCI hardware and BIOS quirks.
 * It may need to run early during booting -- before USB would normally
 * initialize -- to ensure that Linux doesn't use any legacy modes.
 *
 *  Copyright (c) 1999 Martin Mares <mj@xxxxxx>
 *  (and others)
 */

#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/pci.h>
#include <linux/delay.h>
#include <linux/export.h>
#include <linux/acpi.h>
#include <linux/dmi.h>
#include "pci-quirks.h"
#include "xhci-ext-caps.h"


#define UHCI_USBLEGSUP		0xc0		/* legacy support */
#define UHCI_USBCMD		0		/* command register */
#define UHCI_USBINTR		4		/* interrupt register */
#define UHCI_USBLEGSUP_RWC	0x8f00		/* the R/WC bits */
#define UHCI_USBLEGSUP_RO	0x5040		/* R/O and reserved bits */
#define UHCI_USBCMD_RUN		0x0001		/* RUN/STOP bit */
#define UHCI_USBCMD_HCRESET	0x0002		/* Host Controller reset */
#define UHCI_USBCMD_EGSM	0x0008		/* Global Suspend Mode */
#define UHCI_USBCMD_CONFIGURE	0x0040		/* Config Flag */
#define UHCI_USBINTR_RESUME	0x0002		/* Resume interrupt enable */

#define OHCI_CONTROL		0x04
#define OHCI_CMDSTATUS		0x08
#define OHCI_INTRSTATUS		0x0c
#define OHCI_INTRENABLE		0x10
#define OHCI_INTRDISABLE	0x14
#define OHCI_FMINTERVAL		0x34
#define OHCI_HCFS		(3 << 6)	/* hc functional state */
#define OHCI_HCR		(1 << 0)	/* host controller reset */
#define OHCI_OCR		(1 << 3)	/* ownership change request */
#define OHCI_CTRL_RWC		(1 << 9)	/* remote wakeup connected */
#define OHCI_CTRL_IR		(1 << 8)	/* interrupt routing */
#define OHCI_INTR_OC		(1 << 30)	/* ownership change */

#define EHCI_HCC_PARAMS		0x08		/* extended capabilities */
#define EHCI_USBCMD		0		/* command register */
#define EHCI_USBCMD_RUN		(1 << 0)	/* RUN/STOP bit */
#define EHCI_USBSTS		4		/* status register */
#define EHCI_USBSTS_HALTED	(1 << 12)	/* HCHalted bit */
#define EHCI_USBINTR		8		/* interrupt register */
#define EHCI_CONFIGFLAG		0x40		/* configured flag register */
#define EHCI_USBLEGSUP		0		/* legacy support register */
#define EHCI_USBLEGSUP_BIOS	(1 << 16)	/* BIOS semaphore */
#define EHCI_USBLEGSUP_OS	(1 << 24)	/* OS semaphore */
#define EHCI_USBLEGCTLSTS	4		/* legacy control/status */
#define EHCI_USBLEGCTLSTS_SOOE	(1 << 13)	/* SMI on ownership change */

/* AMD quirk use */
#define	AB_REG_BAR_LOW		0xe0
#define	AB_REG_BAR_HIGH		0xe1
#define	AB_REG_BAR_SB700	0xf0
#define	AB_INDX(addr)		((addr) + 0x00)
#define	AB_DATA(addr)		((addr) + 0x04)
#define	AX_INDXC		0x30
#define	AX_DATAC		0x34

#define PT_ADDR_INDX		0xE8
#define PT_READ_INDX		0xE4
#define PT_SIG_1_ADDR		0xA520
#define PT_SIG_2_ADDR		0xA521
#define PT_SIG_3_ADDR		0xA522
#define PT_SIG_4_ADDR		0xA523
#define PT_SIG_1_DATA		0x78
#define PT_SIG_2_DATA		0x56
#define PT_SIG_3_DATA		0x34
#define PT_SIG_4_DATA		0x12
#define PT4_P1_REG		0xB521
#define PT4_P2_REG		0xB522
#define PT2_P1_REG		0xD520
#define PT2_P2_REG		0xD521
#define PT1_P1_REG		0xD522
#define PT1_P2_REG		0xD523

#define	NB_PCIE_INDX_ADDR	0xe0
#define	NB_PCIE_INDX_DATA	0xe4
#define	PCIE_P_CNTL		0x10040
#define	BIF_NB			0x10002
#define	NB_PIF0_PWRDOWN_0	0x01100012
#define	NB_PIF0_PWRDOWN_1	0x01100013

#define USB_INTEL_XUSB2PR      0xD0
#define USB_INTEL_USB2PRM      0xD4
#define USB_INTEL_USB3_PSSEN   0xD8
#define USB_INTEL_USB3PRM      0xDC

/* ASMEDIA quirk use */
#define ASMT_DATA_WRITE0_REG	0xF8
#define ASMT_DATA_WRITE1_REG	0xFC
#define ASMT_CONTROL_REG	0xE0
#define ASMT_CONTROL_WRITE_BIT	0x02
#define ASMT_WRITEREG_CMD	0x10423
#define ASMT_FLOWCTL_ADDR	0xFA30
#define ASMT_FLOWCTL_DATA	0xBA
#define ASMT_PSEUDO_DATA	0

/*
 * amd_chipset_gen values represent AMD different chipset generations
 */
enum amd_chipset_gen {
	NOT_AMD_CHIPSET = 0,
	AMD_CHIPSET_SB600,
	AMD_CHIPSET_SB700,
	AMD_CHIPSET_SB800,
	AMD_CHIPSET_HUDSON2,
	AMD_CHIPSET_BOLTON,
	AMD_CHIPSET_YANGTZE,
	AMD_CHIPSET_TAISHAN,
	AMD_CHIPSET_UNKNOWN,
};

struct amd_chipset_type {
	enum amd_chipset_gen gen;
	u8 rev;
};

static struct amd_chipset_info {
	struct pci_dev	*nb_dev;
	struct pci_dev	*smbus_dev;
	int nb_type;
	struct amd_chipset_type sb_type;
	int isoc_reqs;
	int probe_count;
	int probe_result;
} amd_chipset;

static DEFINE_SPINLOCK(amd_lock);

/*
 * amd_chipset_sb_type_init - initialize amd chipset southbridge type
 *
 * AMD FCH/SB generation and revision is identified by SMBus controller
 * vendor, device and revision IDs.
 *
 * Returns: 1 if it is an AMD chipset, 0 otherwise.
 */
static int amd_chipset_sb_type_init(struct amd_chipset_info *pinfo)
{
	u8 rev = 0;
	pinfo->sb_type.gen = AMD_CHIPSET_UNKNOWN;

	pinfo->smbus_dev = pci_get_device(PCI_VENDOR_ID_ATI,
			PCI_DEVICE_ID_ATI_SBX00_SMBUS, NULL);
	if (pinfo->smbus_dev) {
		rev = pinfo->smbus_dev->revision;
		if (rev >= 0x10 && rev <= 0x1f)
			pinfo->sb_type.gen = AMD_CHIPSET_SB600;
		else if (rev >= 0x30 && rev <= 0x3f)
			pinfo->sb_type.gen = AMD_CHIPSET_SB700;
		else if (rev >= 0x40 && rev <= 0x4f)
			pinfo->sb_type.gen = AMD_CHIPSET_SB800;
	} else {
		pinfo->smbus_dev = pci_get_device(PCI_VENDOR_ID_AMD,
				PCI_DEVICE_ID_AMD_HUDSON2_SMBUS, NULL);

		if (pinfo->smbus_dev) {
			rev = pinfo->smbus_dev->revision;
			if (rev >= 0x11 && rev <= 0x14)
				pinfo->sb_type.gen = AMD_CHIPSET_HUDSON2;
			else if (rev >= 0x15 && rev <= 0x18)
				pinfo->sb_type.gen = AMD_CHIPSET_BOLTON;
			else if (rev >= 0x39 && rev <= 0x3a)
				pinfo->sb_type.gen = AMD_CHIPSET_YANGTZE;
		} else {
			pinfo->smbus_dev = pci_get_device(PCI_VENDOR_ID_AMD,
							  0x145c, NULL);
			if (pinfo->smbus_dev) {
				rev = pinfo->smbus_dev->revision;
				pinfo->sb_type.gen = AMD_CHIPSET_TAISHAN;
			} else {
				pinfo->sb_type.gen = NOT_AMD_CHIPSET;
				return 0;
			}
		}
	}
	pinfo->sb_type.rev = rev;
	return 1;
}

void sb800_prefetch(struct device *dev, int on)
{
	u16 misc;
	struct pci_dev *pdev = to_pci_dev(dev);

	pci_read_config_word(pdev, 0x50, &misc);
	if (on == 0)
		pci_write_config_word(pdev, 0x50, misc & 0xfcff);
	else
		pci_write_config_word(pdev, 0x50, misc | 0x0300);
}
EXPORT_SYMBOL_GPL(sb800_prefetch);

int usb_amd_find_chipset_info(void)
{
	unsigned long flags;
	struct amd_chipset_info info;
	int ret;

	spin_lock_irqsave(&amd_lock, flags);

	/* probe only once */
	if (amd_chipset.probe_count > 0) {
		amd_chipset.probe_count++;
		spin_unlock_irqrestore(&amd_lock, flags);
		return amd_chipset.probe_result;
	}
	memset(&info, 0, sizeof(info));
	spin_unlock_irqrestore(&amd_lock, flags);

	if (!amd_chipset_sb_type_init(&info)) {
		ret = 0;
		goto commit;
	}

	/* Below chipset generations needn't enable AMD PLL quirk */
	if (info.sb_type.gen == AMD_CHIPSET_UNKNOWN ||
			info.sb_type.gen == AMD_CHIPSET_SB600 ||
			info.sb_type.gen == AMD_CHIPSET_YANGTZE ||
			(info.sb_type.gen == AMD_CHIPSET_SB700 &&
			info.sb_type.rev > 0x3b)) {
		if (info.smbus_dev) {
			pci_dev_put(info.smbus_dev);
			info.smbus_dev = NULL;
		}
		ret = 0;
		goto commit;
	}

	info.nb_dev = pci_get_device(PCI_VENDOR_ID_AMD, 0x9601, NULL);
	if (info.nb_dev) {
		info.nb_type = 1;
	} else {
		info.nb_dev = pci_get_device(PCI_VENDOR_ID_AMD, 0x1510, NULL);
		if (info.nb_dev) {
			info.nb_type = 2;
		} else {
			info.nb_dev = pci_get_device(PCI_VENDOR_ID_AMD,
						     0x9600, NULL);
			if (info.nb_dev)
				info.nb_type = 3;
		}
	}

	ret = info.probe_result = 1;
	printk(KERN_DEBUG "QUIRK: Enable AMD PLL fix\n");

commit:

	spin_lock_irqsave(&amd_lock, flags);
	if (amd_chipset.probe_count > 0) {
		/* race - someone else was faster - drop devices */

		/* Mark that we where here */
		amd_chipset.probe_count++;
		ret = amd_chipset.probe_result;

		spin_unlock_irqrestore(&amd_lock, flags);

		pci_dev_put(info.nb_dev);
		pci_dev_put(info.smbus_dev);

	} else {
		/* no race - commit the result */
		info.probe_count++;
		amd_chipset = info;
		spin_unlock_irqrestore(&amd_lock, flags);
	}

	return ret;
}
EXPORT_SYMBOL_GPL(usb_amd_find_chipset_info);

int usb_hcd_amd_remote_wakeup_quirk(struct pci_dev *pdev)
{
	/* Make sure amd chipset type has already been initialized */
	usb_amd_find_chipset_info();
	if (amd_chipset.sb_type.gen == AMD_CHIPSET_YANGTZE ||
	    amd_chipset.sb_type.gen == AMD_CHIPSET_TAISHAN) {
		dev_dbg(&pdev->dev, "QUIRK: Enable AMD remote wakeup fix\n");
		return 1;
	}
	return 0;
}
EXPORT_SYMBOL_GPL(usb_hcd_amd_remote_wakeup_quirk);

bool usb_amd_hang_symptom_quirk(void)
{
	u8 rev;

	usb_amd_find_chipset_info();
	rev = amd_chipset.sb_type.rev;
	/* SB600 and old version of SB700 have hang symptom bug */
	return amd_chipset.sb_type.gen == AMD_CHIPSET_SB600 ||
			(amd_chipset.sb_type.gen == AMD_CHIPSET_SB700 &&
			 rev >= 0x3a && rev <= 0x3b);
}
EXPORT_SYMBOL_GPL(usb_amd_hang_symptom_quirk);

bool usb_amd_prefetch_quirk(void)
{
	usb_amd_find_chipset_info();
	/* SB800 needs pre-fetch fix */
	return amd_chipset.sb_type.gen == AMD_CHIPSET_SB800;
}
EXPORT_SYMBOL_GPL(usb_amd_prefetch_quirk);

/*
 * The hardware normally enables the A-link power management feature, which
 * lets the system lower the power consumption in idle states.
 *
 * This USB quirk prevents the link going into that lower power state
 * during isochronous transfers.
 *
 * Without this quirk, isochronous stream on OHCI/EHCI/xHCI controllers of
 * some AMD platforms may stutter or have breaks occasionally.
 */
static void usb_amd_quirk_pll(int disable)
{
	u32 addr, addr_low, addr_high, val;
	u32 bit = disable ? 0 : 1;
	unsigned long flags;

	spin_lock_irqsave(&amd_lock, flags);

	if (disable) {
		amd_chipset.isoc_reqs++;
		if (amd_chipset.isoc_reqs > 1) {
			spin_unlock_irqrestore(&amd_lock, flags);
			return;
		}
	} else {
		amd_chipset.isoc_reqs--;
		if (amd_chipset.isoc_reqs > 0) {
			spin_unlock_irqrestore(&amd_lock, flags);
			return;
		}
	}

	if (amd_chipset.sb_type.gen == AMD_CHIPSET_SB800 ||
			amd_chipset.sb_type.gen == AMD_CHIPSET_HUDSON2 ||
			amd_chipset.sb_type.gen == AMD_CHIPSET_BOLTON) {
		outb_p(AB_REG_BAR_LOW, 0xcd6);
		addr_low = inb_p(0xcd7);
		outb_p(AB_REG_BAR_HIGH, 0xcd6);
		addr_high = inb_p(0xcd7);
		addr = addr_high << 8 | addr_low;

		outl_p(0x30, AB_INDX(addr));
		outl_p(0x40, AB_DATA(addr));
		outl_p(0x34, AB_INDX(addr));
		val = inl_p(AB_DATA(addr));
	} else if (amd_chipset.sb_type.gen == AMD_CHIPSET_SB700 &&
			amd_chipset.sb_type.rev <= 0x3b) {
		pci_read_config_dword(amd_chipset.smbus_dev,
					AB_REG_BAR_SB700, &addr);
		outl(AX_INDXC, AB_INDX(addr));
		outl(0x40, AB_DATA(addr));
		outl(AX_DATAC, AB_INDX(addr));
		val = inl(AB_DATA(addr));
	} else {
		spin_unlock_irqrestore(&amd_lock, flags);
		return;
	}

	if (disable) {
		val &= ~0x08;
		val |= (1 << 4) | (1 << 9);
	} else {
		val |= 0x08;
		val &= ~((1 << 4) | (1 << 9));
	}
	outl_p(val, AB_DATA(addr));

	if (!amd_chipset.nb_dev) {
		spin_unlock_irqrestore(&amd_lock, flags);
		return;
	}

	if (amd_chipset.nb_type == 1 || amd_chipset.nb_type == 3) {
		addr = PCIE_P_CNTL;
		pci_write_config_dword(amd_chipset.nb_dev,
					NB_PCIE_INDX_ADDR, addr);
		pci_read_config_dword(amd_chipset.nb_dev,
					NB_PCIE_INDX_DATA, &val);

		val &= ~(1 | (1 << 3) | (1 << 4) | (1 << 9) | (1 << 12));
		val |= bit | (bit << 3) | (bit << 12);
		val |= ((!bit) << 4) | ((!bit) << 9);
		pci_write_config_dword(amd_chipset.nb_dev,
					NB_PCIE_INDX_DATA, val);

		addr = BIF_NB;
		pci_write_config_dword(amd_chipset.nb_dev,
					NB_PCIE_INDX_ADDR, addr);
		pci_read_config_dword(amd_chipset.nb_dev,
					NB_PCIE_INDX_DATA, &val);
		val &= ~(1 << 8);
		val |= bit << 8;

		pci_write_config_dword(amd_chipset.nb_dev,
					NB_PCIE_INDX_DATA, val);
	} else if (amd_chipset.nb_type == 2) {
		addr = NB_PIF0_PWRDOWN_0;
		pci_write_config_dword(amd_chipset.nb_dev,
					NB_PCIE_INDX_ADDR, addr);
		pci_read_config_dword(amd_chipset.nb_dev,
					NB_PCIE_INDX_DATA, &val);
		if (disable)
			val &= ~(0x3f << 7);
		else
			val |= 0x3f << 7;

		pci_write_config_dword(amd_chipset.nb_dev,
					NB_PCIE_INDX_DATA, val);

		addr = NB_PIF0_PWRDOWN_1;
		pci_write_config_dword(amd_chipset.nb_dev,
					NB_PCIE_INDX_ADDR, addr);
		pci_read_config_dword(amd_chipset.nb_dev,
					NB_PCIE_INDX_DATA, &val);
		if (disable)
			val &= ~(0x3f << 7);
		else
			val |= 0x3f << 7;

		pci_write_config_dword(amd_chipset.nb_dev,
					NB_PCIE_INDX_DATA, val);
	}

	spin_unlock_irqrestore(&amd_lock, flags);
	return;
}

void usb_amd_quirk_pll_disable(void)
{
	usb_amd_quirk_pll(1);
}
EXPORT_SYMBOL_GPL(usb_amd_quirk_pll_disable);

static int usb_asmedia_wait_write(struct pci_dev *pdev)
{
	unsigned long retry_count;
	unsigned char value;

	for (retry_count = 1000; retry_count > 0; --retry_count) {

		pci_read_config_byte(pdev, ASMT_CONTROL_REG, &value);

		if (value == 0xff) {
			dev_err(&pdev->dev, "%s: check_ready ERROR", __func__);
			return -EIO;
		}

		if ((value & ASMT_CONTROL_WRITE_BIT) == 0)
			return 0;

		udelay(50);
	}

	dev_warn(&pdev->dev, "%s: check_write_ready timeout", __func__);
	return -ETIMEDOUT;
}

void usb_asmedia_modifyflowcontrol(struct pci_dev *pdev)
{
	if (usb_asmedia_wait_write(pdev) != 0)
		return;

	/* send command and address to device */
	pci_write_config_dword(pdev, ASMT_DATA_WRITE0_REG, ASMT_WRITEREG_CMD);
	pci_write_config_dword(pdev, ASMT_DATA_WRITE1_REG, ASMT_FLOWCTL_ADDR);
	pci_write_config_byte(pdev, ASMT_CONTROL_REG, ASMT_CONTROL_WRITE_BIT);

	if (usb_asmedia_wait_write(pdev) != 0)
		return;

	/* send data to device */
	pci_write_config_dword(pdev, ASMT_DATA_WRITE0_REG, ASMT_FLOWCTL_DATA);
	pci_write_config_dword(pdev, ASMT_DATA_WRITE1_REG, ASMT_PSEUDO_DATA);
	pci_write_config_byte(pdev, ASMT_CONTROL_REG, ASMT_CONTROL_WRITE_BIT);
}
EXPORT_SYMBOL_GPL(usb_asmedia_modifyflowcontrol);

void usb_amd_quirk_pll_enable(void)
{
	usb_amd_quirk_pll(0);
}
EXPORT_SYMBOL_GPL(usb_amd_quirk_pll_enable);

void usb_amd_dev_put(void)
{
	struct pci_dev *nb, *smbus;
	unsigned long flags;

	spin_lock_irqsave(&amd_lock, flags);

	amd_chipset.probe_count--;
	if (amd_chipset.probe_count > 0) {
		spin_unlock_irqrestore(&amd_lock, flags);
		return;
	}

	/* save them to pci_dev_put outside of spinlock */
	nb    = amd_chipset.nb_dev;
	smbus = amd_chipset.smbus_dev;

	amd_chipset.nb_dev = NULL;
	amd_chipset.smbus_dev = NULL;
	amd_chipset.nb_type = 0;
	memset(&amd_chipset.sb_type, 0, sizeof(amd_chipset.sb_type));
	amd_chipset.isoc_reqs = 0;
	amd_chipset.probe_result = 0;

	spin_unlock_irqrestore(&amd_lock, flags);

	pci_dev_put(nb);
	pci_dev_put(smbus);
}
EXPORT_SYMBOL_GPL(usb_amd_dev_put);

/*
 * Check if port is disabled in BIOS on AMD Promontory host.
 * BIOS Disabled ports may wake on connect/disconnect and need
 * driver workaround to keep them disabled.
 * Returns true if port is marked disabled.
 */
bool usb_amd_pt_check_port(struct device *device, int port)
{
	unsigned char value, port_shift;
	struct pci_dev *pdev;
	u16 reg;

	pdev = to_pci_dev(device);
	pci_write_config_word(pdev, PT_ADDR_INDX, PT_SIG_1_ADDR);

	pci_read_config_byte(pdev, PT_READ_INDX, &value);
	if (value != PT_SIG_1_DATA)
		return false;

	pci_write_config_word(pdev, PT_ADDR_INDX, PT_SIG_2_ADDR);

	pci_read_config_byte(pdev, PT_READ_INDX, &value);
	if (value != PT_SIG_2_DATA)
		return false;

	pci_write_config_word(pdev, PT_ADDR_INDX, PT_SIG_3_ADDR);

	pci_read_config_byte(pdev, PT_READ_INDX, &value);
	if (value != PT_SIG_3_DATA)
		return false;

	pci_write_config_word(pdev, PT_ADDR_INDX, PT_SIG_4_ADDR);

	pci_read_config_byte(pdev, PT_READ_INDX, &value);
	if (value != PT_SIG_4_DATA)
		return false;

	/* Check disabled port setting, if bit is set port is enabled */
	switch (pdev->device) {
	case 0x43b9:
	case 0x43ba:
	/*
	 * device is AMD_PROMONTORYA_4(0x43b9) or PROMONTORYA_3(0x43ba)
	 * PT4_P1_REG bits[7..1] represents USB2.0 ports 6 to 0
	 * PT4_P2_REG bits[6..0] represents ports 13 to 7
	 */
		if (port > 6) {
			reg = PT4_P2_REG;
			port_shift = port - 7;
		} else {
			reg = PT4_P1_REG;
			port_shift = port + 1;
		}
		break;
	case 0x43bb:
	/*
	 * device is AMD_PROMONTORYA_2(0x43bb)
	 * PT2_P1_REG bits[7..5] represents USB2.0 ports 2 to 0
	 * PT2_P2_REG bits[5..0] represents ports 9 to 3
	 */
		if (port > 2) {
			reg = PT2_P2_REG;
			port_shift = port - 3;
		} else {
			reg = PT2_P1_REG;
			port_shift = port + 5;
		}
		break;
	case 0x43bc:
	/*
	 * device is AMD_PROMONTORYA_1(0x43bc)
	 * PT1_P1_REG[7..4] represents USB2.0 ports 3 to 0
	 * PT1_P2_REG[5..0] represents ports 9 to 4
	 */
		if (port > 3) {
			reg = PT1_P2_REG;
			port_shift = port - 4;
		} else {
			reg = PT1_P1_REG;
			port_shift = port + 4;
		}
		break;
	default:
		return false;
	}
	pci_write_config_word(pdev, PT_ADDR_INDX, reg);
	pci_read_config_byte(pdev, PT_READ_INDX, &value);

	return !(value & BIT(port_shift));
}
EXPORT_SYMBOL_GPL(usb_amd_pt_check_port);

/*
 * Make sure the controller is completely inactive, unable to
 * generate interrupts or do DMA.
 */
void uhci_reset_hc(struct pci_dev *pdev, unsigned long base)
{
	/* Turn off PIRQ enable and SMI enable.  (This also turns off the
	 * BIOS's USB Legacy Support.)  Turn off all the R/WC bits too.
	 */
	pci_write_config_word(pdev, UHCI_USBLEGSUP, UHCI_USBLEGSUP_RWC);

	/* Reset the HC - this will force us to get a
	 * new notification of any already connected
	 * ports due to the virtual disconnect that it
	 * implies.
	 */
	outw(UHCI_USBCMD_HCRESET, base + UHCI_USBCMD);
	mb();
	udelay(5);
	if (inw(base + UHCI_USBCMD) & UHCI_USBCMD_HCRESET)
		dev_warn(&pdev->dev, "HCRESET not completed yet!\n");

	/* Just to be safe, disable interrupt requests and
	 * make sure the controller is stopped.
	 */
	outw(0, base + UHCI_USBINTR);
	outw(0, base + UHCI_USBCMD);
}
EXPORT_SYMBOL_GPL(uhci_reset_hc);

/*
 * Initialize a controller that was newly discovered or has just been
 * resumed.  In either case we can't be sure of its previous state.
 *
 * Returns: 1 if the controller was reset, 0 otherwise.
 */
int uhci_check_and_reset_hc(struct pci_dev *pdev, unsigned long base)
{
	u16 legsup;
	unsigned int cmd, intr;

	/*
	 * When restarting a suspended controller, we expect all the
	 * settings to be the same as we left them:
	 *
	 *	PIRQ and SMI disabled, no R/W bits set in USBLEGSUP;
	 *	Controller is stopped and configured with EGSM set;
	 *	No interrupts enabled except possibly Resume Detect.
	 *
	 * If any of these conditions are violated we do a complete reset.
	 */
	pci_read_config_word(pdev, UHCI_USBLEGSUP, &legsup);
	if (legsup & ~(UHCI_USBLEGSUP_RO | UHCI_USBLEGSUP_RWC)) {
		dev_dbg(&pdev->dev, "%s: legsup = 0x%04x\n",
				__func__, legsup);
		goto reset_needed;
	}

	cmd = inw(base + UHCI_USBCMD);
	if ((cmd & UHCI_USBCMD_RUN) || !(cmd & UHCI_USBCMD_CONFIGURE) ||
			!(cmd & UHCI_USBCMD_EGSM)) {
		dev_dbg(&pdev->dev, "%s: cmd = 0x%04x\n",
				__func__, cmd);
		goto reset_needed;
	}

	intr = inw(base + UHCI_USBINTR);
	if (intr & (~UHCI_USBINTR_RESUME)) {
		dev_dbg(&pdev->dev, "%s: intr = 0x%04x\n",
				__func__, intr);
		goto reset_needed;
	}
	return 0;

reset_needed:
	dev_dbg(&pdev->dev, "Performing full reset\n");
	uhci_reset_hc(pdev, base);
	return 1;
}
EXPORT_SYMBOL_GPL(uhci_check_and_reset_hc);

static inline int io_type_enabled(struct pci_dev *pdev, unsigned int mask)
{
	u16 cmd;
	return !pci_read_config_word(pdev, PCI_COMMAND, &cmd) && (cmd & mask);
}

#define pio_enabled(dev) io_type_enabled(dev, PCI_COMMAND_IO)
#define mmio_enabled(dev) io_type_enabled(dev, PCI_COMMAND_MEMORY)

static void quirk_usb_handoff_uhci(struct pci_dev *pdev)
{
	unsigned long base = 0;
	int i;

	if (!pio_enabled(pdev))
		return;

	for (i = 0; i < PCI_ROM_RESOURCE; i++)
		if ((pci_resource_flags(pdev, i) & IORESOURCE_IO)) {
			base = pci_resource_start(pdev, i);
			break;
		}

	if (base)
		uhci_check_and_reset_hc(pdev, base);
}

static int mmio_resource_enabled(struct pci_dev *pdev, int idx)
{
	return pci_resource_start(pdev, idx) && mmio_enabled(pdev);
}

static void quirk_usb_handoff_ohci(struct pci_dev *pdev)
{
	void __iomem *base;
	u32 control;
	u32 fminterval = 0;
	bool no_fminterval = false;
	int cnt;

	if (!mmio_resource_enabled(pdev, 0))
		return;

	base = pci_ioremap_bar(pdev, 0);
	if (base == NULL)
		return;

	/*
	 * ULi M5237 OHCI controller locks the whole system when accessing
	 * the OHCI_FMINTERVAL offset.
	 */
	if (pdev->vendor == PCI_VENDOR_ID_AL && pdev->device == 0x5237)
		no_fminterval = true;

	control = readl(base + OHCI_CONTROL);

/* On PA-RISC, PDC can leave IR set incorrectly; ignore it there. */
#ifdef __hppa__
#define	OHCI_CTRL_MASK		(OHCI_CTRL_RWC | OHCI_CTRL_IR)
#else
#define	OHCI_CTRL_MASK		OHCI_CTRL_RWC

	if (control & OHCI_CTRL_IR) {
		int wait_time = 500; /* arbitrary; 5 seconds */
		writel(OHCI_INTR_OC, base + OHCI_INTRENABLE);
		writel(OHCI_OCR, base + OHCI_CMDSTATUS);
		while (wait_time > 0 &&
				readl(base + OHCI_CONTROL) & OHCI_CTRL_IR) {
			wait_time -= 10;
			msleep(10);
		}
		if (wait_time <= 0)
			dev_warn(&pdev->dev,
				 "OHCI: BIOS handoff failed (BIOS bug?) %08x\n",
				 readl(base + OHCI_CONTROL));
	}
#endif

	/* disable interrupts */
	writel((u32) ~0, base + OHCI_INTRDISABLE);

	/* Go into the USB_RESET state, preserving RWC (and possibly IR) */
	writel(control & OHCI_CTRL_MASK, base + OHCI_CONTROL);
	readl(base + OHCI_CONTROL);

	/* software reset of the controller, preserving HcFmInterval */
	if (!no_fminterval)
		fminterval = readl(base + OHCI_FMINTERVAL);

	writel(OHCI_HCR, base + OHCI_CMDSTATUS);

	/* reset requires max 10 us delay */
	for (cnt = 30; cnt > 0; --cnt) {	/* ... allow extra time */
		if ((readl(base + OHCI_CMDSTATUS) & OHCI_HCR) == 0)
			break;
		udelay(1);
	}

	if (!no_fminterval)
		writel(fminterval, base + OHCI_FMINTERVAL);

	/* Now the controller is safely in SUSPEND and nothing can wake it up */
	iounmap(base);
}

static const struct dmi_system_id ehci_dmi_nohandoff_table[] = {
	{
		/*  Pegatron Lucid (ExoPC) */
		.matches = {
			DMI_MATCH(DMI_BOARD_NAME, "EXOPG06411"),
			DMI_MATCH(DMI_BIOS_VERSION, "Lucid-CE-133"),
		},
	},
	{
		/*  Pegatron Lucid (Ordissimo AIRIS) */
		.matches = {
			DMI_MATCH(DMI_BOARD_NAME, "M11JB"),
			DMI_MATCH(DMI_BIOS_VERSION, "Lucid-"),
		},
	},
	{
		/*  Pegatron Lucid (Ordissimo) */
		.matches = {
			DMI_MATCH(DMI_BOARD_NAME, "Ordissimo"),
			DMI_MATCH(DMI_BIOS_VERSION, "Lucid-"),
		},
	},
	{
		/* HASEE E200 */
		.matches = {
			DMI_MATCH(DMI_BOARD_VENDOR, "HASEE"),
			DMI_MATCH(DMI_BOARD_NAME, "E210"),
			DMI_MATCH(DMI_BIOS_VERSION, "6.00"),
		},
	},
	{ }
};

static void ehci_bios_handoff(struct pci_dev *pdev,
					void __iomem *op_reg_base,
					u32 cap, u8 offset)
{
	int try_handoff = 1, tried_handoff = 0;

	pr_err("DEBUG: Passed %s %d \n",__FUNCTION__,__LINE__);

	/*
	 * The Pegatron Lucid tablet sporadically waits for 98 seconds trying
	 * the handoff on its unused controller.  Skip it.
	 *
	 * The HASEE E200 hangs when the semaphore is set (bugzilla #77021).
	 */
	if (pdev->vendor == 0x8086 && (pdev->device == 0x283a ||
			pdev->device == 0x27cc)) {
		if (dmi_check_system(ehci_dmi_nohandoff_table))
			try_handoff = 0;
	}

	if (try_handoff && (cap & EHCI_USBLEGSUP_BIOS)) {
		dev_dbg(&pdev->dev, "EHCI: BIOS handoff\n");

#if 0
/* aleksey_gorelov@xxxxxxxxxxx reports that some systems need SMI forced on,
 * but that seems dubious in general (the BIOS left it off intentionally)
 * and is known to prevent some systems from booting.  so we won't do this
 * unless maybe we can determine when we're on a system that needs SMI forced.
 */
		/* BIOS workaround (?): be sure the pre-Linux code
		 * receives the SMI
		 */
		pci_read_config_dword(pdev, offset + EHCI_USBLEGCTLSTS, &val);
		pci_write_config_dword(pdev, offset + EHCI_USBLEGCTLSTS,
				       val | EHCI_USBLEGCTLSTS_SOOE);
#endif

		/* some systems get upset if this semaphore is
		 * set for any other reason than forcing a BIOS
		 * handoff..
		 */
		pr_err("DEBUG: Passed %s %d \n",__FUNCTION__,__LINE__);
		pci_write_config_byte(pdev, offset + 3, 1);
		pr_err("DEBUG: Passed %s %d \n",__FUNCTION__,__LINE__);
	}

	pr_err("DEBUG: Passed %s %d \n",__FUNCTION__,__LINE__);

	/* if boot firmware now owns EHCI, spin till it hands it over. */
	if (try_handoff) {
		int msec = 1000;
		while ((cap & EHCI_USBLEGSUP_BIOS) && (msec > 0)) {
			tried_handoff = 1;
			msleep(10);
			msec -= 10;
			pci_read_config_dword(pdev, offset, &cap);
		}
	}

	pr_err("DEBUG: Passed %s %d \n",__FUNCTION__,__LINE__);

	if (cap & EHCI_USBLEGSUP_BIOS) {
		/* well, possibly buggy BIOS... try to shut it down,
		 * and hope nothing goes too wrong
		 */
		if (try_handoff)
			dev_warn(&pdev->dev,
				 "EHCI: BIOS handoff failed (BIOS bug?) %08x\n",
				 cap);
		pci_write_config_byte(pdev, offset + 2, 0);
	}

	/* just in case, always disable EHCI SMIs */
	pci_write_config_dword(pdev, offset + EHCI_USBLEGCTLSTS, 0);

	pr_err("DEBUG: Passed %s %d \n",__FUNCTION__,__LINE__);

	/* If the BIOS ever owned the controller then we can't expect
	 * any power sessions to remain intact.
	 */
	if (tried_handoff)
		writel(0, op_reg_base + EHCI_CONFIGFLAG);

	pr_err("DEBUG: Passed %s %d \n",__FUNCTION__,__LINE__);
}

static void quirk_usb_disable_ehci(struct pci_dev *pdev)
{
	void __iomem *base, *op_reg_base;
	u32	hcc_params, cap, val;
	u8	offset, cap_length;
	int	wait_time, count = 256/4;

	if (!mmio_resource_enabled(pdev, 0))
		return;

	pr_err("DEBUG: Passed %s %d \n",__FUNCTION__,__LINE__);

	base = pci_ioremap_bar(pdev, 0);
	if (base == NULL)
		return;

  pr_err("DEBUG: Passed %s %d \n",__FUNCTION__,__LINE__);

	cap_length = readb(base);
	op_reg_base = base + cap_length;

	pr_err("DEBUG: Passed %s %d \n",__FUNCTION__,__LINE__);

	/* EHCI 0.96 and later may have "extended capabilities"
	 * spec section 5.1 explains the bios handoff, e.g. for
	 * booting from USB disk or using a usb keyboard
	 */
	hcc_params = readl(base + EHCI_HCC_PARAMS);

	pr_err("DEBUG: Passed %s %d \n",__FUNCTION__,__LINE__);

	offset = (hcc_params >> 8) & 0xff;
	while (offset && --count) {
		pci_read_config_dword(pdev, offset, &cap);

		pr_err("DEBUG: Passed %s %d \n",__FUNCTION__,__LINE__);

		switch (cap & 0xff) {
		case 1:
			pr_err("DEBUG: Passed %s %d \n",__FUNCTION__,__LINE__);
			ehci_bios_handoff(pdev, op_reg_base, cap, offset);
			break;
		case 0: /* Illegal reserved cap, set cap=0 so we exit */
			cap = 0; /* fall through */
		default:
			dev_warn(&pdev->dev,
				 "EHCI: unrecognized capability %02x\n",
				 cap & 0xff);
		}
		offset = (cap >> 8) & 0xff;
	}

	pr_err("DEBUG: Passed %s %d \n",__FUNCTION__,__LINE__);

	if (!count)
		dev_printk(KERN_DEBUG, &pdev->dev, "EHCI: capability loop?\n");

	/*
	 * halt EHCI & disable its interrupts in any case
	 */
	val = readl(op_reg_base + EHCI_USBSTS);
	if ((val & EHCI_USBSTS_HALTED) == 0) {
		val = readl(op_reg_base + EHCI_USBCMD);
		val &= ~EHCI_USBCMD_RUN;
		writel(val, op_reg_base + EHCI_USBCMD);

		wait_time = 2000;
		do {
			writel(0x3f, op_reg_base + EHCI_USBSTS);
			udelay(100);
			wait_time -= 100;
			val = readl(op_reg_base + EHCI_USBSTS);
			if ((val == ~(u32)0) || (val & EHCI_USBSTS_HALTED)) {
				break;
			}
		} while (wait_time > 0);
	}
	writel(0, op_reg_base + EHCI_USBINTR);
	writel(0x3f, op_reg_base + EHCI_USBSTS);

	pr_err("DEBUG: Passed %s %d \n",__FUNCTION__,__LINE__);
	iounmap(base);
}

/*
 * handshake - spin reading a register until handshake completes
 * @ptr: address of hc register to be read
 * @mask: bits to look at in result of read
 * @done: value of those bits when handshake succeeds
 * @wait_usec: timeout in microseconds
 * @delay_usec: delay in microseconds to wait between polling
 *
 * Polls a register every delay_usec microseconds.
 * Returns 0 when the mask bits have the value done.
 * Returns -ETIMEDOUT if this condition is not true after
 * wait_usec microseconds have passed.
 */
static int handshake(void __iomem *ptr, u32 mask, u32 done,
		int wait_usec, int delay_usec)
{
	u32	result;

	do {
		result = readl(ptr);
		result &= mask;
		if (result == done)
			return 0;
		udelay(delay_usec);
		wait_usec -= delay_usec;
	} while (wait_usec > 0);
	return -ETIMEDOUT;
}

/*
 * Intel's Panther Point chipset has two host controllers (EHCI and xHCI) that
 * share some number of ports.  These ports can be switched between either
 * controller.  Not all of the ports under the EHCI host controller may be
 * switchable.
 *
 * The ports should be switched over to xHCI before PCI probes for any device
 * start.  This avoids active devices under EHCI being disconnected during the
 * port switchover, which could cause loss of data on USB storage devices, or
 * failed boot when the root file system is on a USB mass storage device and is
 * enumerated under EHCI first.
 *
 * We write into the xHC's PCI configuration space in some Intel-specific
 * registers to switch the ports over.  The USB 3.0 terminations and the USB
 * 2.0 data wires are switched separately.  We want to enable the SuperSpeed
 * terminations before switching the USB 2.0 wires over, so that USB 3.0
 * devices connect at SuperSpeed, rather than at USB 2.0 speeds.
 */
void usb_enable_intel_xhci_ports(struct pci_dev *xhci_pdev)
{
	u32		ports_available;
	bool		ehci_found = false;
	struct pci_dev	*companion = NULL;

	/* Sony VAIO t-series with subsystem device ID 90a8 is not capable of
	 * switching ports from EHCI to xHCI
	 */
	if (xhci_pdev->subsystem_vendor == PCI_VENDOR_ID_SONY &&
	    xhci_pdev->subsystem_device == 0x90a8)
		return;

	/* make sure an intel EHCI controller exists */
	for_each_pci_dev(companion) {
		if (companion->class == PCI_CLASS_SERIAL_USB_EHCI &&
		    companion->vendor == PCI_VENDOR_ID_INTEL) {
			ehci_found = true;
			break;
		}
	}

	if (!ehci_found)
		return;

	/* Don't switchover the ports if the user hasn't compiled the xHCI
	 * driver.  Otherwise they will see "dead" USB ports that don't power
	 * the devices.
	 */
	if (!IS_ENABLED(CONFIG_USB_XHCI_HCD)) {
		dev_warn(&xhci_pdev->dev,
			 "CONFIG_USB_XHCI_HCD is turned off, defaulting to EHCI.\n");
		dev_warn(&xhci_pdev->dev,
				"USB 3.0 devices will work at USB 2.0 speeds.\n");
		usb_disable_xhci_ports(xhci_pdev);
		return;
	}

	/* Read USB3PRM, the USB 3.0 Port Routing Mask Register
	 * Indicate the ports that can be changed from OS.
	 */
	pci_read_config_dword(xhci_pdev, USB_INTEL_USB3PRM,
			&ports_available);

	dev_dbg(&xhci_pdev->dev, "Configurable ports to enable SuperSpeed: 0x%x\n",
			ports_available);

	/* Write USB3_PSSEN, the USB 3.0 Port SuperSpeed Enable
	 * Register, to turn on SuperSpeed terminations for the
	 * switchable ports.
	 */
	pci_write_config_dword(xhci_pdev, USB_INTEL_USB3_PSSEN,
			ports_available);

	pci_read_config_dword(xhci_pdev, USB_INTEL_USB3_PSSEN,
			&ports_available);
	dev_dbg(&xhci_pdev->dev,
		"USB 3.0 ports that are now enabled under xHCI: 0x%x\n",
		ports_available);

	/* Read XUSB2PRM, xHCI USB 2.0 Port Routing Mask Register
	 * Indicate the USB 2.0 ports to be controlled by the xHCI host.
	 */

	pci_read_config_dword(xhci_pdev, USB_INTEL_USB2PRM,
			&ports_available);

	dev_dbg(&xhci_pdev->dev, "Configurable USB 2.0 ports to hand over to xCHI: 0x%x\n",
			ports_available);

	/* Write XUSB2PR, the xHC USB 2.0 Port Routing Register, to
	 * switch the USB 2.0 power and data lines over to the xHCI
	 * host.
	 */
	pci_write_config_dword(xhci_pdev, USB_INTEL_XUSB2PR,
			ports_available);

	pci_read_config_dword(xhci_pdev, USB_INTEL_XUSB2PR,
			&ports_available);
	dev_dbg(&xhci_pdev->dev,
		"USB 2.0 ports that are now switched over to xHCI: 0x%x\n",
		ports_available);
}
EXPORT_SYMBOL_GPL(usb_enable_intel_xhci_ports);

void usb_disable_xhci_ports(struct pci_dev *xhci_pdev)
{
	pci_write_config_dword(xhci_pdev, USB_INTEL_USB3_PSSEN, 0x0);
	pci_write_config_dword(xhci_pdev, USB_INTEL_XUSB2PR, 0x0);
}
EXPORT_SYMBOL_GPL(usb_disable_xhci_ports);

/**
 * PCI Quirks for xHCI.
 *
 * Takes care of the handoff between the Pre-OS (i.e. BIOS) and the OS.
 * It signals to the BIOS that the OS wants control of the host controller,
 * and then waits 1 second for the BIOS to hand over control.
 * If we timeout, assume the BIOS is broken and take control anyway.
 */
static void quirk_usb_handoff_xhci(struct pci_dev *pdev)
{
	void __iomem *base;
	int ext_cap_offset;
	void __iomem *op_reg_base;
	u32 val;
	int timeout;
	int len = pci_resource_len(pdev, 0);

	pr_err("DEBUG: Passed %s %d \n",__FUNCTION__,__LINE__);

	if (!mmio_resource_enabled(pdev, 0))
		return;

	pr_err("DEBUG: Passed %s %d \n",__FUNCTION__,__LINE__);

	base = ioremap_nocache(pci_resource_start(pdev, 0), len);
	if (base == NULL)
		return;

	/*
	 * Find the Legacy Support Capability register -
	 * this is optional for xHCI host controllers.
	 */
	ext_cap_offset = xhci_find_next_ext_cap(base, 0, XHCI_EXT_CAPS_LEGACY);

	pr_err("DEBUG: Passed %s %d \n",__FUNCTION__,__LINE__);

	if (!ext_cap_offset)
		goto hc_init;

	pr_err("DEBUG: Passed %s %d \n",__FUNCTION__,__LINE__);

	if ((ext_cap_offset + sizeof(val)) > len) {
		/* We're reading garbage from the controller */
		dev_warn(&pdev->dev, "xHCI controller failing to respond");
		goto iounmap;
	}
	val = readl(base + ext_cap_offset);

	pr_err("DEBUG: Passed %s %d \n",__FUNCTION__,__LINE__);

	/* Auto handoff never worked for these devices. Force it and continue */
	if ((pdev->vendor == PCI_VENDOR_ID_TI && pdev->device == 0x8241) ||
			(pdev->vendor == PCI_VENDOR_ID_RENESAS
			 && pdev->device == 0x0014)) {
		val = (val | XHCI_HC_OS_OWNED) & ~XHCI_HC_BIOS_OWNED;
		writel(val, base + ext_cap_offset);
	}

	pr_err("DEBUG: Passed %s %d \n",__FUNCTION__,__LINE__);

	/* If the BIOS owns the HC, signal that the OS wants it, and wait */
	if (val & XHCI_HC_BIOS_OWNED) {
		writel(val | XHCI_HC_OS_OWNED, base + ext_cap_offset);

		/* Wait for 1 second with 10 microsecond polling interval */
		timeout = handshake(base + ext_cap_offset, XHCI_HC_BIOS_OWNED,
				0, 1000000, 10);

		/* Assume a buggy BIOS and take HC ownership anyway */
		if (timeout) {
			dev_warn(&pdev->dev,
				 "xHCI BIOS handoff failed (BIOS bug ?) %08x\n",
				 val);
			writel(val & ~XHCI_HC_BIOS_OWNED, base + ext_cap_offset);
		}
	}

	pr_err("DEBUG: Passed %s %d \n",__FUNCTION__,__LINE__);

	val = readl(base + ext_cap_offset + XHCI_LEGACY_CONTROL_OFFSET);
	/* Mask off (turn off) any enabled SMIs */
	val &= XHCI_LEGACY_DISABLE_SMI;
	/* Mask all SMI events bits, RW1C */
	val |= XHCI_LEGACY_SMI_EVENTS;
	/* Disable any BIOS SMIs and clear all SMI events*/
	writel(val, base + ext_cap_offset + XHCI_LEGACY_CONTROL_OFFSET);

	pr_err("DEBUG: Passed %s %d \n",__FUNCTION__,__LINE__);

hc_init:
	if (pdev->vendor == PCI_VENDOR_ID_INTEL)
		usb_enable_intel_xhci_ports(pdev);

	op_reg_base = base + XHCI_HC_LENGTH(readl(base));

	pr_err("DEBUG: Passed %s %d \n",__FUNCTION__,__LINE__);

	/* Wait for the host controller to be ready before writing any
	 * operational or runtime registers.  Wait 5 seconds and no more.
	 */
	timeout = handshake(op_reg_base + XHCI_STS_OFFSET, XHCI_STS_CNR, 0,
			5000000, 10);
	/* Assume a buggy HC and start HC initialization anyway */
	if (timeout) {
		val = readl(op_reg_base + XHCI_STS_OFFSET);
		dev_warn(&pdev->dev,
			 "xHCI HW not ready after 5 sec (HC bug?) status = 0x%x\n",
			 val);
	}

	pr_err("DEBUG: Passed %s %d \n",__FUNCTION__,__LINE__);

	/* Send the halt and disable interrupts command */
	val = readl(op_reg_base + XHCI_CMD_OFFSET);
	val &= ~(XHCI_CMD_RUN | XHCI_IRQS);
	writel(val, op_reg_base + XHCI_CMD_OFFSET);

	pr_err("DEBUG: Passed %s %d \n",__FUNCTION__,__LINE__);

	/* Wait for the HC to halt - poll every 125 usec (one microframe). */
	timeout = handshake(op_reg_base + XHCI_STS_OFFSET, XHCI_STS_HALT, 1,
			XHCI_MAX_HALT_USEC, 125);
	if (timeout) {
		val = readl(op_reg_base + XHCI_STS_OFFSET);
		dev_warn(&pdev->dev,
			 "xHCI HW did not halt within %d usec status = 0x%x\n",
			 XHCI_MAX_HALT_USEC, val);
	}

	pr_err("DEBUG: Passed %s %d \n",__FUNCTION__,__LINE__);

iounmap:
	iounmap(base);
}

static void quirk_usb_early_handoff(struct pci_dev *pdev)
{
	/* Skip Netlogic mips SoC's internal PCI USB controller.
	 * This device does not need/support EHCI/OHCI handoff
	 */
	if (pdev->vendor == 0x184e)	/* vendor Netlogic */
		return;
	if (pdev->class != PCI_CLASS_SERIAL_USB_UHCI &&
			pdev->class != PCI_CLASS_SERIAL_USB_OHCI &&
			pdev->class != PCI_CLASS_SERIAL_USB_EHCI &&
			pdev->class != PCI_CLASS_SERIAL_USB_XHCI)
		return;

	pr_err("DEBUG: Passed %s %d \n",__FUNCTION__,__LINE__);

	if (pci_enable_device(pdev) < 0) {
		dev_warn(&pdev->dev,
			 "Can't enable PCI device, BIOS handoff failed.\n");
		return;
	}

	pr_err("DEBUG: Passed %s %d \n",__FUNCTION__,__LINE__);

	if (pdev->class == PCI_CLASS_SERIAL_USB_UHCI)
		quirk_usb_handoff_uhci(pdev);
	else if (pdev->class == PCI_CLASS_SERIAL_USB_OHCI)
		quirk_usb_handoff_ohci(pdev);
	else if (pdev->class == PCI_CLASS_SERIAL_USB_EHCI)
		quirk_usb_disable_ehci(pdev);
	else if (pdev->class == PCI_CLASS_SERIAL_USB_XHCI)
		quirk_usb_handoff_xhci(pdev);
	pci_disable_device(pdev);
}
DECLARE_PCI_FIXUP_CLASS_FINAL(PCI_ANY_ID, PCI_ANY_ID,
			PCI_CLASS_SERIAL_USB, 8, quirk_usb_early_handoff);

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