PCI: dwc: Add upper limit address for outbound iATU

Browse source

The size parameter is unsigned long type which can accept size > 4GB. In
that case, the upper limit address must be programmed. Add support to
program the upper limit address and set INCREASE_REGION_SIZE in case size >
4GB.

Link: https://lore.kernel.org/r/1612250918-19610-1-git-send-email-shradha.t@samsung.com
Signed-off-by: Shradha Todi <shradha.t@samsung.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Pankaj Dubey <pankaj.dubey@samsung.com>
Reviewed-by: Rob Herring <robh@kernel.org>

...

This commit is contained in:

Shradha Todi 2021-02-02 12:58:38 +05:30 • committed by Bjorn Helgaas

parent 3856e1c5b8

commit 5b4cf0f653

2 changed files with 6 additions and 0 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

5

drivers/pci/controller/dwc/pcie-designware.c

View file

1

drivers/pci/controller/dwc/pcie-designware.h

View file