[PATCH v2 4/4] powerpc/83xx: Add PCI-E support for all MPC83xx boards with PCI-E

Anton Vorontsov avorontsov at ru.mvista.com
Thu Jan 1 04:41:25 EST 2009

On Wed, Dec 31, 2008 at 10:48:07AM -0600, Kumar Gala wrote:
> On Dec 30, 2008, at 2:19 PM, Anton Vorontsov wrote:
>>>> +		compatible = "fsl,mpc8315-pcie", "fsl,mpc8314-pcie";
>>>> +		reg = <0xe0009000 0x00001000 0xb0000000 0x01000000>;
>>> the size on the 0xb0000000 seems wrong
>> This is how FSL U-Boots configure the cfg window, and I'm trying to
>> retain the compatibility. Anyway, now Linux maps only the first 4kB
>> of that area, so we don't actually care about this, but dts is still
>> correct for older u-boots. Newer U-Boots might want to correct this
>> value if they want to use other cfg window setup...
> I'd rather not pollute the .dts with this

So you prefer to change the cfg window size to 0x1000?

> since I don't believe the open 
> source u-boot supports PCIe on 83xx.

Yes, that's correct. PCI-E support for community U-Boot is ongoing.

Anton Vorontsov
email: cbouatmailru at gmail.com

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