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Re: [PATCH v4 1/1] PCI/ACPI: xgene: Add ECAM quirk for X-Gene PCIe controller

From Jon Masters <jcm@redhat.com>
Newsgroups linux.kernel
Subject Re: [PATCH v4 1/1] PCI/ACPI: xgene: Add ECAM quirk for X-Gene PCIe controller
Date 2016-12-02 21:10 +0100
Message-ID <sK2jE-8pR-41@gated-at.bofh.it> (permalink)
References (1 earlier) <sJLVv-5Ru-27@gated-at.bofh.it> <sJQit-uF-9@gated-at.bofh.it> <sJQBP-Bh-7@gated-at.bofh.it> <sJRex-16S-13@gated-at.bofh.it> <sK20i-82t-39@gated-at.bofh.it>
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On 12/02/2016 02:39 PM, Duc Dang wrote:
> On Fri, Dec 2, 2016 at 12:11 AM, Jon Masters <jcm@redhat.com> wrote:
>> You're welcome.
>>
>> (Unrelated) Note that I added a console= and earlycon in my test (and got the baud rate wrong for the console but nevermind...was ssh'd in after the earlycon output I cared about anyway) because of some other cleanup work for the SPCR parsing that apparently is still not quite fixed for upstream, or rather, there is a need to match on the 32-bit access required for the UART and that isn't happening so it's not getting setup. Folks are tracking that one and fixing it though.
> 
> I don't see this console issue on X-Gene1 (Mustang board). I tried
> with X-Gene 2 as well. I used both console=ttyS0,115200 and
> earlycon=uart8250,mmio32,0x1c020000. Are you setting baudrate to
> 115200 or something else?

It's an m400 issue in that their SPCR needs updating to convey the
required 32-bit access width for the 8250 dw IP or similar. It's one
of those things someone described the other day and it made sense but
I haven't yet dug into the exact situation, other than that I know
the access width in the m400 ACPI table isn't quite right.

My understanding is that it's in hand. I'll catch up on exactly what's
up, check with my own mustangs, and followup separately.

Jon.

-- 
Computer Architect | Sent from my Fedora powered laptop

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Thread

[PATCH v3] PCI/ACPI: xgene: Add ECAM quirk for X-Gene PCIe controller Duc Dang <dhdang@apm.com> - 2016-12-01 01:00 +0100
  Re: [PATCH v3] PCI/ACPI: xgene: Add ECAM quirk for X-Gene PCIe  controller Mark Salter <msalter@redhat.com> - 2016-12-01 16:10 +0100
    Re: [PATCH v3] PCI/ACPI: xgene: Add ECAM quirk for X-Gene PCIe  controller Jon Masters <jcm@redhat.com> - 2016-12-01 20:20 +0100
      Re: [PATCH v3] PCI/ACPI: xgene: Add ECAM quirk for X-Gene PCIe controller Duc Dang <dhdang@apm.com> - 2016-12-01 21:00 +0100
  Re: [PATCH v3] PCI/ACPI: xgene: Add ECAM quirk for X-Gene PCIe  controller Bjorn Helgaas <helgaas@kernel.org> - 2016-12-01 19:40 +0100
    Re: [PATCH v3] PCI/ACPI: xgene: Add ECAM quirk for X-Gene PCIe  controller Mark Salter <msalter@redhat.com> - 2016-12-01 20:30 +0100
      Re: [PATCH v3] PCI/ACPI: xgene: Add ECAM quirk for X-Gene PCIe  controller Jon Masters <jcm@redhat.com> - 2016-12-01 20:30 +0100
      Re: [PATCH v3] PCI/ACPI: xgene: Add ECAM quirk for X-Gene PCIe  controller Bjorn Helgaas <helgaas@kernel.org> - 2016-12-01 20:50 +0100
        Re: [PATCH v3] PCI/ACPI: xgene: Add ECAM quirk for X-Gene PCIe controller Duc Dang <dhdang@apm.com> - 2016-12-01 23:20 +0100
          Re: [PATCH v3] PCI/ACPI: xgene: Add ECAM quirk for X-Gene PCIe controller Jon Masters <jcm@redhat.com> - 2016-12-01 23:50 +0100
          Re: [PATCH v3] PCI/ACPI: xgene: Add ECAM quirk for X-Gene PCIe  controller Bjorn Helgaas <helgaas@kernel.org> - 2016-12-02 00:10 +0100
            Re: [PATCH v3] PCI/ACPI: xgene: Add ECAM quirk for X-Gene PCIe controller Duc Dang <dhdang@apm.com> - 2016-12-02 00:30 +0100
              Re: [PATCH v3] PCI/ACPI: xgene: Add ECAM quirk for X-Gene PCIe  controller Jon Masters <jcm@redhat.com> - 2016-12-02 05:10 +0100
                Re: [PATCH v3] PCI/ACPI: xgene: Add ECAM quirk for X-Gene PCIe  controller Jon Masters <jcm@redhat.com> - 2016-12-02 07:40 +0100
                Re: [PATCH v3] PCI/ACPI: xgene: Add ECAM quirk for X-Gene PCIe controller Duc Dang <dhdang@apm.com> - 2016-12-02 08:40 +0100
                Re: [PATCH v3] PCI/ACPI: xgene: Add ECAM quirk for X-Gene PCIe controller Jon Masters <jcm@redhat.com> - 2016-12-02 09:10 +0100
                Re: [PATCH v3] PCI/ACPI: xgene: Add ECAM quirk for X-Gene PCIe  controller Bjorn Helgaas <helgaas@kernel.org> - 2016-12-03 00:40 +0100
                Re: [PATCH v3] PCI/ACPI: xgene: Add ECAM quirk for X-Gene PCIe  controller Jon Masters <jcm@redhat.com> - 2016-12-03 01:40 +0100
                Re: [PATCH v3] PCI/ACPI: xgene: Add ECAM quirk for X-Gene PCIe  controller Bjorn Helgaas <helgaas@kernel.org> - 2016-12-05 22:30 +0100
                Re: [PATCH v3] PCI/ACPI: xgene: Add ECAM quirk for X-Gene PCIe  controller Jon Masters <jcm@redhat.com> - 2016-12-06 21:00 +0100
                Re: [PATCH v3] PCI/ACPI: xgene: Add ECAM quirk for X-Gene PCIe  controller Bjorn Helgaas <helgaas@kernel.org> - 2016-12-06 21:20 +0100
                Re: [PATCH v3] PCI/ACPI: xgene: Add ECAM quirk for X-Gene PCIe  controller Jon Masters <jcm@redhat.com> - 2016-12-06 21:40 +0100
                Re: [PATCH v3] PCI/ACPI: xgene: Add ECAM quirk for X-Gene PCIe controller Duc Dang <dhdang@apm.com> - 2016-12-03 08:10 +0100
                Re: [PATCH v3] PCI/ACPI: xgene: Add ECAM quirk for X-Gene PCIe  controller Bjorn Helgaas <helgaas@kernel.org> - 2016-12-05 22:30 +0100
                Re: [PATCH v3] PCI/ACPI: xgene: Add ECAM quirk for X-Gene PCIe controller Duc Dang <dhdang@apm.com> - 2016-12-05 22:50 +0100
                Re: [PATCH v3] PCI/ACPI: xgene: Add ECAM quirk for X-Gene PCIe  controller Jon Masters <jcm@redhat.com> - 2016-12-06 00:40 +0100
    [PATCH v4 1/1] PCI/ACPI: xgene: Add ECAM quirk for X-Gene PCIe controller Duc Dang <dhdang@apm.com> - 2016-12-02 03:40 +0100
      Re: [PATCH v4 1/1] PCI/ACPI: xgene: Add ECAM quirk for X-Gene PCIe  controller Jon Masters <jcm@redhat.com> - 2016-12-02 08:20 +0100
        Re: [PATCH v4 1/1] PCI/ACPI: xgene: Add ECAM quirk for X-Gene PCIe controller Duc Dang <dhdang@apm.com> - 2016-12-02 08:40 +0100
          Re: [PATCH v4 1/1] PCI/ACPI: xgene: Add ECAM quirk for X-Gene PCIe controller Jon Masters <jcm@redhat.com> - 2016-12-02 09:20 +0100
            Re: [PATCH v4 1/1] PCI/ACPI: xgene: Add ECAM quirk for X-Gene PCIe controller Duc Dang <dhdang@apm.com> - 2016-12-02 20:50 +0100
              Re: [PATCH v4 1/1] PCI/ACPI: xgene: Add ECAM quirk for X-Gene PCIe  controller Jon Masters <jcm@redhat.com> - 2016-12-02 21:10 +0100
              [SPCR] mmio32 iotype access requirements for X-Gene 8250(_dw) UART Jon Masters <jcm@redhat.com> - 2016-12-03 11:10 +0100
                Re: [SPCR] mmio32 iotype access requirements for X-Gene 8250(_dw)  UART Mark Salter <msalter@redhat.com> - 2016-12-03 18:20 +0100
                Re: [SPCR] mmio32 iotype access requirements for X-Gene 8250(_dw)  UART Jon Masters <jcm@redhat.com> - 2016-12-03 21:40 +0100
                Re: [SPCR] mmio32 iotype access requirements for X-Gene 8250(_dw) UART Duc Dang <dhdang@apm.com> - 2016-12-04 11:50 +0100
    Re: [PATCH v3] PCI/ACPI: xgene: Add ECAM quirk for X-Gene PCIe controller Duc Dang <dhdang@apm.com> - 2016-12-02 04:00 +0100
      Re: [PATCH v3] PCI/ACPI: xgene: Add ECAM quirk for X-Gene PCIe  controller Bjorn Helgaas <helgaas@kernel.org> - 2016-12-05 23:00 +0100
        Re: [PATCH v3] PCI/ACPI: xgene: Add ECAM quirk for X-Gene PCIe controller Duc Dang <dhdang@apm.com> - 2016-12-05 23:20 +0100

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