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pci_dw: fix outbound I/O window configuration

Description

pci_dw: fix outbound I/O window configuration

Use viewport "2" instead of "0" and change window type from MEM to IO.
Without these changes the MEM ATU window can be overwritten with the IO one.

Submitted by: Kornel Duleba <mindal@semihalf.com>
Obtained from: Semihalf
Sponsored by: Marvell
Differential revision: https://reviews.freebsd.org/D29516

Details

Provenance
mwAuthored on Apr 6 2021, 12:31 PM
Differential Revision
D29516: pci_dw.c: Set IO ATU window correctly
Parents
R10:28d14569c873: powerpc64: add missing TLB invalidations to radix
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