[PATCH 2/2] PCI: Add legacy firmware support for Cavium ThunderX host controller

[Robert Richter]

On 15.03.17 08:49:15, Tomasz Nowicki wrote:
> During early days of PCI quirks support ThunderX firmware did not provide
> PNP0c02 node with PCI configuration space and PEM-specific register ranges.
> This means that for legacy FW we are not reserving these resources and
> cannot gather PEM-specific resources for further PEM initialization.
> 
> In order to support already deployed legacy FW calculate PEM-specific ranges
> and provide resources reservation as fallback scenario into PEM driver when
> we could not gather PEM reg base from ACPI tables.
> 
> Signed-off-by: Tomasz Nowicki <tn at semihalf.com>
> Signed-off-by: Vadim Lomovtsev <Vadim.Lomovtsev at caviumnetworks.com>

Works with old and new firmware.

Tested-by: Robert Richter <rrichter at cavium.com>
Acked-by: Robert Richter <rrichter at cavium.com>

-Robert