From: richardmaw@codethink•co.uk (Richard Maw)
To: linux-arm-kernel@lists•infradead.org
Subject: ARM Versatile defconfig PCI io out of range?
Date: Thu, 31 May 2012 11:48:51 +0100 [thread overview]
Message-ID: <20120531104850.GA31825@codethink.co.uk> (raw)
In-Reply-To: <201205310932.51140.arnd@arndb.de>
On Thu, May 31, 2012 at 09:32:50AM +0000, Arnd Bergmann wrote:
> It looks like it's a simple bug in pci.c, which puts the wrong thing into the
> pcibios_min_io variable.
>
> Does the below patch fix it?
>
> Arnd
>
> diff --git a/arch/arm/mach-versatile/pci.c b/arch/arm/mach-versatile/pci.c
> index 4ae4fc8..aeb7b60 100644
> --- a/arch/arm/mach-versatile/pci.c
> +++ b/arch/arm/mach-versatile/pci.c
> @@ -305,7 +305,7 @@ int __init pci_versatile_setup(int nr, struct pci_sys_data *sys)
>
> void __init pci_versatile_preinit(void)
> {
> - pcibios_min_io = 0x44000000;
> + pcibios_min_io = 0x100;
> pcibios_min_mem = 0x50000000;
>
> __raw_writel(VERSATILE_PCI_MEM_BASE0 >> 28, PCI_IMAP0);
>
Sadly it is still not working. sym53c8xx is still requesting the range
0x44000000-0x440000ff, which is beyond the 0x0000-0xffff specified by
the ioport_resource.
next prev parent reply other threads:[~2012-05-31 10:48 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-30 18:02 ARM Versatile defconfig PCI io out of range? Richard Maw
2012-05-30 19:19 ` Rob Herring
2012-05-31 9:32 ` Arnd Bergmann
2012-05-31 10:48 ` Richard Maw [this message]
2012-05-31 13:07 ` Rob Herring
2012-05-31 20:40 ` Arnd Bergmann
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