From: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
To: Arnd Bergmann <arnd@arndb.de>
Cc: Bjorn Helgaas <bhelgaas@google.com>,
Grant Likely <grant.likely@secretlab.ca>,
Russell King <linux@arm.linux.org.uk>,
"linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>,
linux-arm <linux-arm-kernel@lists.infradead.org>,
"devicetree-discuss@lists.ozlabs.org"
<devicetree-discuss@lists.ozlabs.org>,
Lior Amsalem <alior@marvell.com>, Andrew Lunn <andrew@lunn.ch>,
Jason Cooper <jason@lakedaemon.net>,
Maen Suleiman <maen@marvell.com>,
Thierry Reding <thierry.reding@avionic-design.de>,
Gregory Clement <gregory.clement@free-electrons.com>,
Ezequiel Garcia <ezequiel.garcia@free-electrons.com>,
Olof Johansson <olof@lixom.net>,
Tawfik Bayouk <tawfik@marvell.com>,
Jason Gunthorpe <jgunthorpe@obsidianresearch.com>,
Mitch Bradley <wmb@firmworks.com>,
Andrew Murray <andrew.murray@arm.com>
Subject: Re: [PATCHv7 08/17] pci: PCIe driver for Marvell Armada 370/XP systems
Date: Mon, 8 Apr 2013 23:53:41 +0200 [thread overview]
Message-ID: <20130408235341.7012b791@skate> (raw)
In-Reply-To: <201304082334.13186.arnd@arndb.de>
Dear Arnd Bergmann,
On Mon, 8 Apr 2013 23:34:12 +0200, Arnd Bergmann wrote:
> > No, I'm assuming PCIBIOS_MIN_IO is always 0. So presumarly, this should
> > be something like:
> >
> > pcie->realio.end = min(PCIBIOS_MIN_IO +
> > resource_size(&pcie->io),
> > IO_SPACE_LIMIT);
> >
>
> Normally PCIBIOS_MIN_IO is 0x1000, since the first 4096 ports are reserved
> for ISA and PCMCIA compatible drivers and should not be assigned to
> PCI devices. So the first port should get ports 0x1000 to 0xffff, later
> ones can used the entire 65536 ports e.g. 0x10000 to 0x1ffff.
Then I guess it should work with the code I'm proposing here, no?
Note: this pcie->realio region is global: it will be shared by all PCIe
interfaces.
Thomas
--
Thomas Petazzoni, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.
http://free-electrons.com
next prev parent reply other threads:[~2013-04-08 21:53 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-27 14:40 [PATCHv7 00/17] PCIe support for the Armada 370 and Armada XP SoCs Thomas Petazzoni
2013-03-27 14:40 ` [PATCHv7 01/17] of/pci: Provide support for parsing PCI DT ranges property Thomas Petazzoni
2013-03-27 14:40 ` [PATCHv7 02/17] of/pci: Add of_pci_get_devfn() function Thomas Petazzoni
2013-03-27 14:40 ` [PATCHv7 03/17] of/pci: Add of_pci_parse_bus_range() function Thomas Petazzoni
2013-03-27 14:40 ` [PATCHv7 04/17] pci: infrastructure to add drivers in drivers/pci/host Thomas Petazzoni
[not found] ` <CAAfodu2t4j4ZASzdaKV0QarffXRwMgkMESGy=dDq1oMfTANEeg@mail.gmail.com>
[not found] ` <CAAfodu2t4j4ZASzdaKV0QarffXRwMgkMESGy=dDq1oMfTANEeg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-03-28 7:24 ` Thomas Petazzoni
2013-04-08 20:32 ` Bjorn Helgaas
2013-03-27 14:40 ` [PATCHv7 05/17] arm: pci: add a align_resource hook Thomas Petazzoni
2013-03-27 14:40 ` [PATCHv7 06/17] clk: mvebu: create parent-child relation for PCIe clocks on Armada 370 Thomas Petazzoni
2013-04-05 13:58 ` Thomas Petazzoni
2013-04-10 8:09 ` Mike Turquette
2013-03-27 14:40 ` [PATCHv7 07/17] clk: mvebu: add more PCIe clocks for Armada XP Thomas Petazzoni
2013-04-05 14:59 ` Thomas Petazzoni
2013-04-10 8:08 ` Mike Turquette
2013-03-27 14:40 ` [PATCHv7 08/17] pci: PCIe driver for Marvell Armada 370/XP systems Thomas Petazzoni
2013-04-08 20:29 ` Bjorn Helgaas
2013-04-08 20:57 ` Thomas Petazzoni
2013-04-08 21:34 ` Arnd Bergmann
2013-04-08 21:53 ` Thomas Petazzoni [this message]
2013-04-08 22:14 ` Arnd Bergmann
2013-04-09 19:06 ` Thomas Petazzoni
2013-04-09 19:09 ` Arnd Bergmann
2013-04-08 21:31 ` Arnd Bergmann
2013-04-08 21:34 ` Thomas Petazzoni
2013-03-27 14:40 ` [PATCHv7 09/17] arm: mvebu: PCIe support is now available on mvebu Thomas Petazzoni
2013-03-27 14:40 ` [PATCHv7 10/17] arm: mvebu: add PCIe Device Tree informations for Armada 370 Thomas Petazzoni
2013-03-27 14:40 ` [PATCHv7 11/17] arm: mvebu: add PCIe Device Tree informations for Armada XP Thomas Petazzoni
2013-03-27 14:40 ` [PATCHv7 12/17] arm: mvebu: PCIe Device Tree informations for OpenBlocks AX3-4 Thomas Petazzoni
2013-03-27 14:40 ` [PATCHv7 13/17] arm: mvebu: PCIe Device Tree informations for Armada XP DB Thomas Petazzoni
2013-03-27 14:40 ` [PATCHv7 14/17] arm: mvebu: PCIe Device Tree informations for Armada 370 Mirabox Thomas Petazzoni
2013-03-27 14:40 ` [PATCHv7 15/17] arm: mvebu: PCIe Device Tree informations for Armada 370 DB Thomas Petazzoni
2013-03-27 14:40 ` [PATCHv7 16/17] arm: mvebu: PCIe Device Tree informations for Armada XP GP Thomas Petazzoni
2013-03-27 14:40 ` [PATCHv7 17/17] arm: mvebu: update defconfig with PCI and USB support Thomas Petazzoni
2013-03-31 1:05 ` [PATCHv7 00/17] PCIe support for the Armada 370 and Armada XP SoCs Jason Cooper
2013-04-02 11:36 ` Linus Walleij
2013-04-03 12:27 ` Thomas Petazzoni
2013-04-03 16:31 ` Linus Walleij
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