From: Yoichi Yuasa <yuasa@linux-mips.org>
To: Bjorn Helgaas <bhelgaas@google.com>
Cc: yuasa@linux-mips.org, linux-pci@vger.kernel.org,
linux-arch@vger.kernel.org, Ralf Baechle <ralf@linux-mips.org>
Subject: Re: [RFC PATCH v1 11/18] mips/PCI: get rid of device resource fixups
Date: Tue, 31 Jan 2012 11:42:50 +0900 [thread overview]
Message-ID: <20120131114250.b0e6af10.yuasa@linux-mips.org> (raw)
In-Reply-To: <20120130165805.3231.99160.stgit@bhelgaas.mtv.corp.google.com>
Hi,
On Mon, 30 Jan 2012 09:58:05 -0700
Bjorn Helgaas <bhelgaas@google.com> wrote:
> Tell the PCI core about host bridge address translation so it can take
> care of bus-to-resource conversion for us.
>
> N.B. cobalt_legacy_ide_fixup() does scary things with resources, but I
> *think* it will still work because we're still making the same adjustments,
> just in the opposite order. Here are the legacy IDE resource.start
> values I expect:
>
> current new
>
> 0x1f0 (pci_setup_device) 0x1f0
> (pci_bus_to_resource) + 0xf0000000
> - 0xf0000000 (cobalt_legacy_ide_fixup) - 0xf0000000
> + 0xf0000000 (pcibios_fixup_bus)
> ------------ ------------
> 0x1f0 final value 0x1f0
It seems to be unable to handle the offset correctly.
failed on Cobalt:
pata_via 0000:00:09.1: BAR 0: can't reserve [io 0x100001f0-0x100001f7]
pata_via 0000:00:09.1: failed to request/iomap BARs for port 0 (errno=-16)
pata_via 0000:00:09.1: BAR 2: can't reserve [io 0x10000170-0x10000177]
pata_via 0000:00:09.1: failed to request/iomap BARs for port 1 (errno=-16)
pata_via 0000:00:09.1: no available native port
Yoichi
next prev parent reply other threads:[~2012-01-31 2:42 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-30 16:57 [RFC PATCH v1 00/18] add PCI bus-to-resource offset support in core Bjorn Helgaas
2012-01-30 16:57 ` [RFC PATCH v1 01/18] PCI: don't publish new root bus until it's fully initialized Bjorn Helgaas
2012-01-30 16:57 ` [RFC PATCH v1 02/18] PCI: add struct pci_host_bridge and a list of all bridges found Bjorn Helgaas
2012-01-30 20:52 ` Yinghai Lu
2012-01-30 22:00 ` Bjorn Helgaas
2012-01-30 22:29 ` Yinghai Lu
2012-01-30 16:57 ` [RFC PATCH v1 03/18] PCI: add struct pci_host_bridge_window with CPU/bus address offset Bjorn Helgaas
2012-01-30 16:57 ` [RFC PATCH v1 04/18] PCI: convert bus addresses to resource when reading BARs Bjorn Helgaas
2012-01-30 16:57 ` [RFC PATCH v1 05/18] PCI: add generic pcibios_resource_to_bus() Bjorn Helgaas
2012-01-30 16:57 ` [RFC PATCH v1 06/18] alpha/PCI: get rid of device resource fixups Bjorn Helgaas
2012-01-30 16:57 ` [RFC PATCH v1 07/18] arm/PCI: " Bjorn Helgaas
2012-02-03 16:01 ` Russell King - ARM Linux
2012-02-03 16:12 ` Bjorn Helgaas
2012-02-03 16:55 ` Russell King - ARM Linux
2012-02-03 17:51 ` Bjorn Helgaas
2012-01-30 16:57 ` [RFC PATCH v1 08/18] ia64/PCI: SN: convert to pci_scan_root_bus() for correct root bus resources Bjorn Helgaas
2012-01-30 16:57 ` [RFC PATCH v1 09/18] ia64/PCI: get rid of device resource fixups Bjorn Helgaas
2012-01-30 16:58 ` [RFC PATCH v1 10/18] microblaze/PCI: " Bjorn Helgaas
2012-02-02 10:50 ` Michal Simek
2012-02-03 11:46 ` Benjamin Herrenschmidt
2012-01-30 16:58 ` [RFC PATCH v1 11/18] mips/PCI: " Bjorn Helgaas
2012-01-31 2:42 ` Yoichi Yuasa [this message]
2012-01-31 3:54 ` Bjorn Helgaas
2012-02-08 2:56 ` Bjorn Helgaas
[not found] ` <20120208132234.710f19be.yuasa@linux-mips.org>
2012-02-08 21:16 ` Bjorn Helgaas
2012-01-30 16:58 ` [RFC PATCH v1 12/18] mn10300/PCI: " Bjorn Helgaas
2012-01-30 16:58 ` [RFC PATCH v1 13/18] parisc/PCI: " Bjorn Helgaas
2012-01-30 16:58 ` [RFC PATCH v1 14/18] powerpc/PCI: " Bjorn Helgaas
2012-01-30 20:49 ` Benjamin Herrenschmidt
2012-01-30 21:46 ` Bjorn Helgaas
2012-01-30 16:58 ` [RFC PATCH v1 15/18] sh/PCI: " Bjorn Helgaas
2012-01-30 16:58 ` [RFC PATCH v1 16/18] sparc/PCI: " Bjorn Helgaas
2012-01-30 16:58 ` [RFC PATCH v1 17/18] xtensa/PCI: " Bjorn Helgaas
2012-01-30 16:58 ` [RFC PATCH v1 18/18] PCI: collapse pcibios_resource_to_bus Bjorn Helgaas
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