ARM: dts: dra7: Enable workaround for errata i870 in PCIe host mode

[ Upstream commit b830526f304764753fcb8b4a563a94080e982a6c ]

Add ti,syscon-unaligned-access property to PCIe RC nodes to set
appropriate bits in CTRL_CORE_SMA_SW_7 register to enable workaround for
errata i870.

Signed-off-by: Vignesh R <vigneshr@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/arch/arm/boot/dts/dra7.dtsi b/arch/arm/boot/dts/dra7.dtsi
index 9136b3c..7ce24b2 100644 (file)
--- a/arch/arm/boot/dts/dra7.dtsi
+++ b/arch/arm/boot/dts/dra7.dtsi
@@ -336,6 +336,7 @@
                                                <0 0 0 2 &pcie1_intc 2>,
                                                <0 0 0 3 &pcie1_intc 3>,
                                                <0 0 0 4 &pcie1_intc 4>;
+                               ti,syscon-unaligned-access = <&scm_conf1 0x14 1>;
                                status = "disabled";
                                pcie1_intc: interrupt-controller {
                                        interrupt-controller;
@@ -387,6 +388,7 @@
                                                <0 0 0 2 &pcie2_intc 2>,
                                                <0 0 0 3 &pcie2_intc 3>,
                                                <0 0 0 4 &pcie2_intc 4>;
+                               ti,syscon-unaligned-access = <&scm_conf1 0x14 2>;
                                pcie2_intc: interrupt-controller {
                                        interrupt-controller;
                                        #address-cells = <0>;