[PATCH] ARM: Gemini: Add support for PCI Bus
Hans Ulli Kroll
ulli.kroll at googlemail.com
Tue Nov 30 10:38:54 EST 2010
On Mon, 29 Nov 2010, Arnd Bergmann wrote:
> On Monday 29 November 2010, Hans Ulli Kroll wrote:
> > @@ -1164,7 +1169,7 @@ config ISA_DMA_API
> > bool
> > config PCI
> > - bool "PCI support" if ARCH_INTEGRATOR_AP || ARCH_VERSATILE_PB ||
> > ARCH_IXP4XX || ARCH_KS8695 || MACH_ARMCORE || ARCH_CNS3XXX
> > + bool "PCI support" if MIGHT_HAVE_PCI
> > help
> > Find out whether you have a PCI motherboard. PCI is the name of
> > a
> > bus system, i.e. the way the CPU talks to the other stuff inside
> This does not solve the problem that Russell mentioned: existing platforms
> select PCI unconditionally, e.g. Iop13XX, some IXP, Orion, Shark
> and more. At the very least, these would need to also select MIGHT_HAVE_PCI
> to avoid the warning.
in conjunction of
on other almost platforms
> > index fe0c82e..f5c39a8 100644
> > --- a/arch/arm/mach-ks8695/Kconfig
> > +++ b/arch/arm/mach-ks8695/Kconfig
> > @@ -4,6 +4,7 @@ menu "Kendin/Micrel KS8695 Implementations"
> > config MACH_KS8695
> > +++ b/arch/arm/mach-versatile/Kconfig
> > @@ -4,6 +4,7 @@ menu "Versatile platform type"
> > config ARCH_VERSATILE_PB
> > bool "Support Versatile/PB platform"
> > select CPU_ARM926T
> > + select HAVE_PCI
> > default y
> > help
> > Include support for the ARM(R) Versatile/PB platform.bool
> Typo: you certainly meant MIGHT_HAVE_PCI here.
Damn, I missed this.
HAVE_PCI was my first approach to do this.
> We still need to agree on what it should be doing, but otherwise this
> is what I had in mind.
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