tree 7007644edd029f3f0f2c7235f48a2e030cf84637
parent cd9eb7e5b5d387c2f08f63928249940d8518ec03
author Pali Rohár <pali@kernel.org> 1632610484 +0200
committer Stefan Roese <sr@denx.de> 1633675075 +0200

arm: a37xx: pci: Handle propagation of CRSSVE bit from PCIe Root Port

Now that PCI Bridge (PCIe Root Port) for Aardvark is emulated in U-Boot,
add support for handling and propagation of CRSSVE bit.

When CRSSVE bit is unset (default), driver has to reissue config
read/write request on CRS response.

CRSSVE bit is supported only when CRSVIS bit is provided in read-only
Root Capabilities register. So manually inject this CRSVIS bit into read
response for that register.

Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Stefan Roese <sr@denx.de>