On Apr 1, 2012, at 1:56 AM, Jia Hongtao wrote:
> If PCI is primary bus we should set isa_io/mem_base when parsing PCI bridge
> resources from device tree. The previous way to check the primary bus based
> on a hard-coded address named primary_phb_addr. Now we add a property named
> "fsl,has-isa" into device tree. In kernel we use this property to find out
> the bus is primary or not. This way is more flexible.
>
> Signed-off-by: Jia Hongtao <b38...@freescale.com>
> Signed-off-by: Li Yang <le...@freescale.com>
> ---
> .../devicetree/bindings/powerpc/fsl/pci.txt | 36 ++++++++++++++++++++
> 1 files changed, 36 insertions(+), 0 deletions(-)
> create mode 100644 Documentation/devicetree/bindings/powerpc/fsl/pci.txt
This isn't freescale specific, its linux specific. If anything the property
should be linux,has-isa.
But in general I dont think this is a good idea. In truth one could search the
device tree for:
device_type = "isa";
to try and set this dynamically.
- k
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